c_chmask capture channel mask
c_srate capture sampling rate
c_ssize capture sample size (bytes)
+ c_mute_present capture mute control enable
+ c_volume_present capture volume control enable
+ c_volume_min capture volume control min value (in 1/256 dB)
+ c_volume_max capture volume control max value (in 1/256 dB)
+ c_volume_res capture volume control resolution (in 1/256 dB)
p_chmask playback channel mask
p_srate playback sampling rate
p_ssize playback sample size (bytes)
+ p_mute_present playback mute control enable
+ p_volume_present playback volume control enable
+ p_volume_min playback volume control min value (in 1/256 dB)
+ p_volume_max playback volume control max value (in 1/256 dB)
+ p_volume_res playback volume control resolution (in 1/256 dB)
req_number the number of pre-allocated request
for both capture and playback
========== ===================================
c_srate capture sampling rate
c_ssize capture sample size (bytes)
c_sync capture synchronization type (async/adaptive)
+ c_mute_present capture mute control enable
+ c_volume_present capture volume control enable
+ c_volume_min capture volume control min value (in 1/256 dB)
+ c_volume_max capture volume control max value (in 1/256 dB)
+ c_volume_res capture volume control resolution (in 1/256 dB)
fb_max maximum extra bandwidth in async mode
p_chmask playback channel mask
p_srate playback sampling rate
p_ssize playback sample size (bytes)
+ p_mute_present playback mute control enable
+ p_volume_present playback volume control enable
+ p_volume_min playback volume control min value (in 1/256 dB)
+ p_volume_max playback volume control max value (in 1/256 dB)
+ p_volume_res playback volume control resolution (in 1/256 dB)
========= ============================
- 1.5A
- 3.0A
+ pd-disable:
+ description: Set this property if the Type-C connector has no power delivery support.
+ type: boolean
+
# The following are optional properties for "usb-c-connector" with power
# delivery support.
source-pdos:
compatible:
enum:
- qcom,sc7180-qmp-usb3-dp-phy
+ - qcom,sc7280-qmp-usb3-dp-phy
- qcom,sc8180x-qmp-usb3-dp-phy
- qcom,sdm845-qmp-usb3-dp-phy
- qcom,sm8250-qmp-usb3-dp-phy
- allwinner,sun6i-a31-ehci
- allwinner,sun7i-a20-ehci
- allwinner,sun8i-a23-ehci
+ - allwinner,sun8i-a83t-ehci
- allwinner,sun8i-h3-ehci
- allwinner,sun8i-r40-ehci
- allwinner,sun9i-a80-ehci
iommus:
maxItems: 1
+ dr_mode:
+ enum:
+ - host
+ - otg
+
required:
- compatible
- reg
- allwinner,sun6i-a31-ohci
- allwinner,sun7i-a20-ohci
- allwinner,sun8i-a23-ohci
+ - allwinner,sun8i-a83t-ohci
- allwinner,sun8i-h3-ohci
- allwinner,sun8i-r40-ohci
- allwinner,sun9i-a80-ohci
iommus:
maxItems: 1
+ dr_mode:
+ enum:
+ - host
+ - otg
+
required:
- compatible
- reg
- mediatek,mt8173-xhci
- mediatek,mt8183-xhci
- mediatek,mt8192-xhci
+ - mediatek,mt8195-xhci
- const: mediatek,mtk-xhci
reg:
description: The mask to disable u3ports, bit0 for u3port0,
bit1 for u3port1, ... etc
+ mediatek,u2p-dis-msk:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: The mask to disable u2ports, bit0 for u2port0,
+ bit1 for u2port1, ... etc
+
"#address-cells":
const: 1
- const: ippc
interrupts:
- maxItems: 1
+ description:
+ use "interrupts-extended" when the interrupts are connected to the
+ separate interrupt controllers
+ minItems: 1
+ items:
+ - description: SSUSB device controller interrupt
+ - description: optional, wakeup interrupt used to support runtime PM
+
+ interrupt-names:
+ items:
+ - const: device
+ - const: wakeup
power-domains:
description: A phandle to USB power domain node to control USB's MTCMOS
extcon:
deprecated: true
description: |
- Phandle to the extcon device detecting the IDDIG/VBUS state, neede
+ Phandle to the extcon device detecting the IDDIG state, needed
when supports dual-role mode.
It's considered valid for compatibility reasons, not allowed for
new bindings, and use "usb-role-switch" property instead.
description: Support role switch.
type: boolean
+ role-switch-default-mode:
+ enum: [host, peripheral]
+ default: host
+
connector:
$ref: /connector/usb-connector.yaml#
description:
description: The mask to disable u3ports, bit0 for u3port0,
bit1 for u3port1, ... etc
+ mediatek,u2p-dis-msk:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: The mask to disable u2ports, bit0 for u2port0,
+ bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
+ is enabled, so will be skipped in this case.
+
# Required child node when support dual-role
patternProperties:
"^usb@[0-9a-f]+$":
dependencies:
connector: [ 'usb-role-switch' ]
port: [ 'usb-role-switch' ]
+ role-switch-default-mode: [ 'usb-role-switch' ]
wakeup-source: [ 'mediatek,syscon-wakeup' ]
required:
};
};
- # Enable/disable device by an input gpio for VBUS pin
+ # Dual role switch by gpio-usb-b-connector
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/power/mt2712-power.h>
power-domains = <&scpsys MT2712_POWER_DOMAIN_USB2>;
clocks = <&topckgen CLK_TOP_USB30_SEL>;
clock-names = "sys_ck";
- dr_mode = "peripheral";
+ dr_mode = "otg";
usb-role-switch;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ host0: usb@11270000 {
+ compatible = "mediatek,mt2712-xhci", "mediatek,mtk-xhci";
+ reg = <0x11270000 0x1000>;
+ reg-names = "mac";
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_LOW>;
+ power-domains = <&scpsys MT2712_POWER_DOMAIN_USB>;
+ clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
+ clock-names = "sys_ck", "ref_ck";
+ };
connector {
compatible = "gpio-usb-b-connector", "usb-b-connector";
type = "micro";
- vbus-gpios = <&pio 13 GPIO_ACTIVE_HIGH>;
+ id-gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
+ vbus-supply = <&usb_p0_vbus>;
};
};
wakeup-source;
dr_mode = "otg";
usb-role-switch;
+ role-switch-default-mode = "host";
#address-cells = <1>;
#size-cells = <1>;
ranges;
- enum:
- mediatek,mt8516-musb
- mediatek,mt2701-musb
+ - mediatek,mt7623-musb
- const: mediatek,mtk-musb
reg:
- qcom,msm8998-dwc3
- qcom,sc7180-dwc3
- qcom,sc7280-dwc3
+ - qcom,sdm660-dwc3
- qcom,sdm845-dwc3
- qcom,sdx55-dwc3
- qcom,sm4250-dwc3
- const: renesas,rza1-usbhs
- items:
- - const: renesas,usbhs-r7s9210 # RZ/A2
+ - enum:
+ - renesas,usbhs-r7s9210 # RZ/A2
+ - renesas,usbhs-r9a07g044 # RZ/G2{L,LC}
- const: renesas,rza2-usbhs
- items:
- description: USB 2.0 clock selector
interrupts:
- maxItems: 1
+ minItems: 1
+ maxItems: 4
renesas,buswait:
$ref: /schemas/types.yaml#/definitions/uint32
- clocks
- interrupts
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: renesas,usbhs-r9a07g044
+ then:
+ properties:
+ interrupts:
+ items:
+ - description: U2P_IXL_INT
+ - description: U2P_INT_DMA[0]
+ - description: U2P_INT_DMA[1]
+ - description: U2P_INT_DMAERR
+ else:
+ properties:
+ interrupts:
+ maxItems: 1
+
additionalProperties: false
examples:
maximum: 16
tx-fifo-resize:
- description: Determines if the FIFO *has* to be reallocated
- deprecated: true
+ description: Determines if the TX fifos can be dynamically resized depending
+ on the number of IN endpoints used and if bursting is supported. This
+ may help improve bandwidth on platforms with higher system latencies, as
+ increased fifo space allows for the controller to prefetch data into its
+ internal memory.
type: boolean
+ tx-fifo-max-num:
+ description: Specifies the max number of packets the txfifo resizing logic
+ can account for when higher endpoint bursting is used. (bMaxBurst > 6) The
+ higher the number, the more fifo space the txfifo resizing logic will
+ allocate for that endpoint.
+ $ref: /schemas/types.yaml#/definitions/uint8
+ minimum: 3
+
snps,incr-burst-type-adjustment:
description:
Value for INCR burst type of GSBUSCFG0 register, undefined length INCR
The function name to use when creating the function directory is "uac2".
The uac2 function provides these attributes in its function directory:
- =============== ====================================================
- c_chmask capture channel mask
- c_srate capture sampling rate
- c_ssize capture sample size (bytes)
- c_sync capture synchronization type (async/adaptive)
- fb_max maximum extra bandwidth in async mode
- p_chmask playback channel mask
- p_srate playback sampling rate
- p_ssize playback sample size (bytes)
- req_number the number of pre-allocated request for both capture
- and playback
- =============== ====================================================
+ ================ ====================================================
+ c_chmask capture channel mask
+ c_srate capture sampling rate
+ c_ssize capture sample size (bytes)
+ c_sync capture synchronization type (async/adaptive)
+ c_mute_present capture mute control enable
+ c_volume_present capture volume control enable
+ c_volume_min capture volume control min value (in 1/256 dB)
+ c_volume_max capture volume control max value (in 1/256 dB)
+ c_volume_res capture volume control resolution (in 1/256 dB)
+ fb_max maximum extra bandwidth in async mode
+ p_chmask playback channel mask
+ p_srate playback sampling rate
+ p_ssize playback sample size (bytes)
+ p_mute_present playback mute control enable
+ p_volume_present playback volume control enable
+ p_volume_min playback volume control min value (in 1/256 dB)
+ p_volume_max playback volume control max value (in 1/256 dB)
+ p_volume_res playback volume control resolution (in 1/256 dB)
+ req_number the number of pre-allocated request for both capture
+ and playback
+ ================ ====================================================
The attributes have sane default values.
The function name to use when creating the function directory is "uac1".
The uac1 function provides these attributes in its function directory:
- ========== ====================================================
- c_chmask capture channel mask
- c_srate capture sampling rate
- c_ssize capture sample size (bytes)
- p_chmask playback channel mask
- p_srate playback sampling rate
- p_ssize playback sample size (bytes)
- req_number the number of pre-allocated request for both capture
- and playback
- ========== ====================================================
+ ================ ====================================================
+ c_chmask capture channel mask
+ c_srate capture sampling rate
+ c_ssize capture sample size (bytes)
+ c_mute_present capture mute control enable
+ c_volume_present capture volume control enable
+ c_volume_min capture volume control min value (in 1/256 dB)
+ c_volume_max capture volume control max value (in 1/256 dB)
+ c_volume_res capture volume control resolution (in 1/256 dB)
+ p_chmask playback channel mask
+ p_srate playback sampling rate
+ p_ssize playback sample size (bytes)
+ p_mute_present playback mute control enable
+ p_volume_present playback volume control enable
+ p_volume_min playback volume control min value (in 1/256 dB)
+ p_volume_max playback volume control max value (in 1/256 dB)
+ p_volume_res playback volume control resolution (in 1/256 dB)
+ req_number the number of pre-allocated request for both capture
+ and playback
+ ================ ====================================================
The attributes have sane default values.
status = "okay";
};
+&usb_1 {
+ status = "okay";
+};
+
+&usb_1_dwc3 {
+ dr_mode = "host";
+};
+
+&usb_1_hsphy {
+ status = "okay";
+
+ vdda-pll-supply = <&vreg_l10c_0p8>;
+ vdda33-supply = <&vreg_l2b_3p0>;
+ vdda18-supply = <&vreg_l1c_1p8>;
+};
+
+&usb_1_qmpphy {
+ status = "okay";
+
+ vdda-phy-supply = <&vreg_l6b_1p2>;
+ vdda-pll-supply = <&vreg_l1b_0p8>;
+};
+
+&usb_2 {
+ status = "okay";
+};
+
+&usb_2_dwc3 {
+ dr_mode = "peripheral";
+};
+
+&usb_2_hsphy {
+ status = "okay";
+
+ vdda-pll-supply = <&vreg_l10c_0p8>;
+ vdda33-supply = <&vreg_l2b_3p0>;
+ vdda18-supply = <&vreg_l1c_1p8>;
+};
+
/* PINCTRL - additions to nodes defined in sc7280.dtsi */
&qup_uart5_default {
};
};
+ usb_1_hsphy: phy@88e3000 {
+ compatible = "qcom,sc7280-usb-hs-phy",
+ "qcom,usb-snps-hs-7nm-phy";
+ reg = <0 0x088e3000 0 0x400>;
+ status = "disabled";
+ #phy-cells = <0>;
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "ref";
+
+ resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
+ };
+
+ usb_2_hsphy: phy@88e4000 {
+ compatible = "qcom,sc7280-usb-hs-phy",
+ "qcom,usb-snps-hs-7nm-phy";
+ reg = <0 0x088e4000 0 0x400>;
+ status = "disabled";
+ #phy-cells = <0>;
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "ref";
+
+ resets = <&gcc GCC_QUSB2PHY_SEC_BCR>;
+ };
+
+ usb_1_qmpphy: phy-wrapper@88e9000 {
+ compatible = "qcom,sc7280-qmp-usb3-dp-phy",
+ "qcom,sm8250-qmp-usb3-dp-phy";
+ reg = <0 0x088e9000 0 0x200>,
+ <0 0x088e8000 0 0x40>,
+ <0 0x088ea000 0 0x200>;
+ status = "disabled";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
+ <&rpmhcc RPMH_CXO_CLK>,
+ <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>;
+ clock-names = "aux", "ref_clk_src", "com_aux";
+
+ resets = <&gcc GCC_USB3_DP_PHY_PRIM_BCR>,
+ <&gcc GCC_USB3_PHY_PRIM_BCR>;
+ reset-names = "phy", "common";
+
+ usb_1_ssphy: usb3-phy@88e9200 {
+ reg = <0 0x088e9200 0 0x200>,
+ <0 0x088e9400 0 0x200>,
+ <0 0x088e9c00 0 0x400>,
+ <0 0x088e9600 0 0x200>,
+ <0 0x088e9800 0 0x200>,
+ <0 0x088e9a00 0 0x100>;
+ #clock-cells = <0>;
+ #phy-cells = <0>;
+ clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
+ clock-names = "pipe0";
+ clock-output-names = "usb3_phy_pipe_clk_src";
+ };
+
+ dp_phy: dp-phy@88ea200 {
+ reg = <0 0x088ea200 0 0x200>,
+ <0 0x088ea400 0 0x200>,
+ <0 0x088eac00 0 0x400>,
+ <0 0x088ea600 0 0x200>,
+ <0 0x088ea800 0 0x200>,
+ <0 0x088eaa00 0 0x100>;
+ #phy-cells = <0>;
+ #clock-cells = <1>;
+ clocks = <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
+ clock-names = "pipe0";
+ clock-output-names = "usb3_phy_pipe_clk_src";
+ };
+ };
+
+ usb_2: usb@8cf8800 {
+ compatible = "qcom,sc7280-dwc3", "qcom,dwc3";
+ reg = <0 0x08cf8800 0 0x400>;
+ status = "disabled";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ dma-ranges;
+
+ clocks = <&gcc GCC_CFG_NOC_USB3_SEC_AXI_CLK>,
+ <&gcc GCC_USB30_SEC_MASTER_CLK>,
+ <&gcc GCC_AGGRE_USB3_SEC_AXI_CLK>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
+ <&gcc GCC_USB30_SEC_SLEEP_CLK>;
+ clock-names = "cfg_noc", "core", "iface","mock_utmi",
+ "sleep";
+
+ assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
+ <&gcc GCC_USB30_SEC_MASTER_CLK>;
+ assigned-clock-rates = <19200000>, <200000000>;
+
+ interrupts-extended = <&intc GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 13 IRQ_TYPE_EDGE_RISING>,
+ <&pdc 12 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "hs_phy_irq",
+ "dm_hs_phy_irq", "dp_hs_phy_irq";
+
+ power-domains = <&gcc GCC_USB30_SEC_GDSC>;
+
+ resets = <&gcc GCC_USB30_SEC_BCR>;
+
+ usb_2_dwc3: usb@8c00000 {
+ compatible = "snps,dwc3";
+ reg = <0 0x08c00000 0 0xe000>;
+ interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&apps_smmu 0xa0 0x0>;
+ snps,dis_u2_susphy_quirk;
+ snps,dis_enblslpm_quirk;
+ phys = <&usb_2_hsphy>;
+ phy-names = "usb2-phy";
+ maximum-speed = "high-speed";
+ };
+ };
+
dc_noc: interconnect@90e0000 {
reg = <0 0x090e0000 0 0x5080>;
compatible = "qcom,sc7280-dc-noc";
qcom,bcm-voters = <&apps_bcm_voter>;
};
+ usb_1: usb@a6f8800 {
+ compatible = "qcom,sc7280-dwc3", "qcom,dwc3";
+ reg = <0 0x0a6f8800 0 0x400>;
+ status = "disabled";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ dma-ranges;
+
+ clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
+ <&gcc GCC_USB30_PRIM_MASTER_CLK>,
+ <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>;
+ clock-names = "cfg_noc", "core", "iface", "mock_utmi",
+ "sleep";
+
+ assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
+ <&gcc GCC_USB30_PRIM_MASTER_CLK>;
+ assigned-clock-rates = <19200000>, <200000000>;
+
+ interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 14 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc 15 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc 17 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "hs_phy_irq", "dp_hs_phy_irq",
+ "dm_hs_phy_irq", "ss_phy_irq";
+
+ power-domains = <&gcc GCC_USB30_PRIM_GDSC>;
+
+ resets = <&gcc GCC_USB30_PRIM_BCR>;
+
+ usb_1_dwc3: usb@a600000 {
+ compatible = "snps,dwc3";
+ reg = <0 0x0a600000 0 0xe000>;
+ interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+ iommus = <&apps_smmu 0xe0 0x0>;
+ snps,dis_u2_susphy_quirk;
+ snps,dis_enblslpm_quirk;
+ phys = <&usb_1_hsphy>, <&usb_1_ssphy>;
+ phy-names = "usb2-phy", "usb3-phy";
+ maximum-speed = "super-speed";
+ };
+ };
+
videocc: clock-controller@aaf0000 {
compatible = "qcom,sc7280-videocc";
reg = <0 0xaaf0000 0 0x10000>;
return rc;
}
+EXPORT_SYMBOL_GPL(of_add_property);
int __of_remove_property(struct device_node *np, struct property *prop)
{
#define NHI_MAILBOX_TIMEOUT 500 /* ms */
+#define QUIRK_AUTO_CLEAR_INT BIT(0)
+
static int ring_interrupt_index(struct tb_ring *ring)
{
int bit = ring->hop;
else
index = ring->hop + ring->nhi->hop_count;
- /*
- * Ask the hardware to clear interrupt status bits automatically
- * since we already know which interrupt was triggered.
- */
- misc = ioread32(ring->nhi->iobase + REG_DMA_MISC);
- if (!(misc & REG_DMA_MISC_INT_AUTO_CLEAR)) {
- misc |= REG_DMA_MISC_INT_AUTO_CLEAR;
- iowrite32(misc, ring->nhi->iobase + REG_DMA_MISC);
+ if (ring->nhi->quirks & QUIRK_AUTO_CLEAR_INT) {
+ /*
+ * Ask the hardware to clear interrupt status
+ * bits automatically since we already know
+ * which interrupt was triggered.
+ */
+ misc = ioread32(ring->nhi->iobase + REG_DMA_MISC);
+ if (!(misc & REG_DMA_MISC_INT_AUTO_CLEAR)) {
+ misc |= REG_DMA_MISC_INT_AUTO_CLEAR;
+ iowrite32(misc, ring->nhi->iobase + REG_DMA_MISC);
+ }
}
ivr_base = ring->nhi->iobase + REG_INT_VEC_ALLOC_BASE;
}
EXPORT_SYMBOL_GPL(tb_ring_poll_complete);
+static void ring_clear_msix(const struct tb_ring *ring)
+{
+ if (ring->nhi->quirks & QUIRK_AUTO_CLEAR_INT)
+ return;
+
+ if (ring->is_tx)
+ ioread32(ring->nhi->iobase + REG_RING_NOTIFY_BASE);
+ else
+ ioread32(ring->nhi->iobase + REG_RING_NOTIFY_BASE +
+ 4 * (ring->nhi->hop_count / 32));
+}
+
static irqreturn_t ring_msix(int irq, void *data)
{
struct tb_ring *ring = data;
spin_lock(&ring->nhi->lock);
+ ring_clear_msix(ring);
spin_lock(&ring->lock);
__ring_interrupt(ring);
spin_unlock(&ring->lock);
nhi->ops->shutdown(nhi);
}
+static void nhi_check_quirks(struct tb_nhi *nhi)
+{
+ /*
+ * Intel hardware supports auto clear of the interrupt status
+ * reqister right after interrupt is being issued.
+ */
+ if (nhi->pdev->vendor == PCI_VENDOR_ID_INTEL)
+ nhi->quirks |= QUIRK_AUTO_CLEAR_INT;
+}
+
static int nhi_init_msi(struct tb_nhi *nhi)
{
struct pci_dev *pdev = nhi->pdev;
if (!nhi->tx_rings || !nhi->rx_rings)
return -ENOMEM;
+ nhi_check_quirks(nhi);
+
res = nhi_init_msi(nhi);
if (res) {
dev_err(&pdev->dev, "cannot enable MSI, aborting\n");
int res;
int cap;
+ INIT_LIST_HEAD(&port->list);
+
+ /* Control adapter does not have configuration space */
+ if (!port->port)
+ return 0;
+
res = tb_port_read(port, &port->config, TB_CFG_PORT, 0, 8);
if (res) {
if (res == -ENODEV) {
}
/* Port 0 is the switch itself and has no PHY. */
- if (port->config.type == TB_TYPE_PORT && port->port != 0) {
+ if (port->config.type == TB_TYPE_PORT) {
cap = tb_port_find_cap(port, TB_PORT_CAP_PHY);
if (cap > 0)
if (!port->ctl_credits)
port->ctl_credits = 2;
- } else if (port->port != 0) {
+ } else {
cap = tb_port_find_cap(port, TB_PORT_CAP_ADAP);
if (cap > 0)
port->cap_adap = cap;
ADP_CS_4_TOTAL_BUFFERS_SHIFT;
tb_dump_port(port->sw->tb, port);
-
- INIT_LIST_HEAD(&port->list);
return 0;
-
}
static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid,
static int disapprove_switch(struct device *dev, void *not_used)
{
+ char *envp[] = { "AUTHORIZED=0", NULL };
struct tb_switch *sw;
sw = tb_to_switch(dev);
return ret;
sw->authorized = 0;
- kobject_uevent(&sw->dev.kobj, KOBJ_CHANGE);
+ kobject_uevent_env(&sw->dev.kobj, KOBJ_CHANGE, envp);
}
return 0;
static int tb_switch_set_authorized(struct tb_switch *sw, unsigned int val)
{
+ char envp_string[13];
int ret = -EINVAL;
+ char *envp[] = { envp_string, NULL };
if (!mutex_trylock(&sw->tb->lock))
return restart_syscall();
if (!ret) {
sw->authorized = val;
- /* Notify status change to the userspace */
- kobject_uevent(&sw->dev.kobj, KOBJ_CHANGE);
+ /*
+ * Notify status change to the userspace, informing the new
+ * value of /sys/bus/thunderbolt/devices/.../authorized.
+ */
+ sprintf(envp_string, "AUTHORIZED=%u", sw->authorized);
+ kobject_uevent_env(&sw->dev.kobj, KOBJ_CHANGE, envp);
}
unlock:
{
int i;
- for (i = 1; i <= sw->config.max_port_number; i += 2) {
+ for (i = 1; i <= sw->config.max_port_number; i++) {
struct tb_port *port = &sw->ports[i];
struct tb_port *subordinate;
config USB_OHCI_LITTLE_ENDIAN
bool
- default n if STB03xxx || PPC_MPC52xx
+ default n if PPC_MPC52xx
default y
config USB_EHCI_BIG_ENDIAN_MMIO
obj-$(CONFIG_USB_ISP1362_HCD) += host/
obj-$(CONFIG_USB_U132_HCD) += host/
obj-$(CONFIG_USB_R8A66597_HCD) += host/
-obj-$(CONFIG_USB_HWA_HCD) += host/
obj-$(CONFIG_USB_FSL_USB2) += host/
obj-$(CONFIG_USB_FOTG210_HCD) += host/
obj-$(CONFIG_USB_MAX3421_HCD) += host/
if (g->speed == USB_SPEED_HIGH &&
(usb_endpoint_xfer_isoc(pep->endpoint.desc) ||
usb_endpoint_xfer_int(pep->endpoint.desc)))
- return (usb_endpoint_maxp(pep->endpoint.desc) & 0x1800) >> 11;
+ return usb_endpoint_maxp_mult(pep->endpoint.desc) - 1;
return 0;
}
)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ unsigned int ports = HCS_N_PORTS(ehci->hcs_params);
u32 __iomem *status_reg;
- u32 temp;
+ u32 temp, port_index;
unsigned long flags;
int retval = 0;
bool done = false;
struct device *dev = hcd->self.controller;
struct ci_hdrc *ci = dev_get_drvdata(dev);
- status_reg = &ehci->regs->port_status[(wIndex & 0xff) - 1];
+ port_index = wIndex & 0xff;
+ port_index -= (port_index > 0);
+ status_reg = &ehci->regs->port_status[port_index];
spin_lock_irqsave(&ehci->lock, flags);
}
if (typeReq == SetPortFeature && wValue == USB_PORT_FEAT_SUSPEND) {
+ if (!wIndex || wIndex > ports) {
+ retval = -EPIPE;
+ goto done;
+ }
+
temp = ehci_readl(ehci, status_reg);
if ((temp & PORT_PE) == 0 || (temp & PORT_RESET) != 0) {
retval = -EPIPE;
ehci_writel(ehci, temp, status_reg);
}
- set_bit((wIndex & 0xff) - 1, &ehci->suspended_ports);
+ set_bit(port_index, &ehci->suspended_ports);
goto done;
}
}
EXPORT_SYMBOL_GPL(usb_get_dr_mode);
+/**
+ * usb_get_role_switch_default_mode - Get default mode for given device
+ * @dev: Pointer to the given device
+ *
+ * The function gets string from property 'role-switch-default-mode',
+ * and returns the corresponding enum usb_dr_mode.
+ */
+enum usb_dr_mode usb_get_role_switch_default_mode(struct device *dev)
+{
+ const char *str;
+ int ret;
+
+ ret = device_property_read_string(dev, "role-switch-default-mode", &str);
+ if (ret < 0)
+ return USB_DR_MODE_UNKNOWN;
+
+ return usb_get_dr_mode_from_string(str);
+}
+EXPORT_SYMBOL_GPL(usb_get_role_switch_default_mode);
+
/**
* usb_decode_interval - Decode bInterval into the time expressed in 1us unit
* @epd: The descriptor of the endpoint
if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, GINTSTS_RESTOREDONE,
20000)) {
dev_dbg(hsotg->dev,
- "%s: Restore Done wan't generated here\n",
+ "%s: Restore Done wasn't generated here\n",
__func__);
} else {
dev_dbg(hsotg->dev, "restore done generated here\n");
* @periodic: Set if this is a periodic ep, such as Interrupt
* @isochronous: Set if this is a isochronous ep
* @send_zlp: Set if we need to send a zero-length packet.
+ * @wedged: Set if ep is wedged.
* @desc_list_dma: The DMA address of descriptor chain currently in use.
* @desc_list: Pointer to descriptor DMA chain head currently in use.
* @desc_count: Count of entries within the DMA descriptor chain of EP.
unsigned int periodic:1;
unsigned int isochronous:1;
unsigned int send_zlp:1;
+ unsigned int wedged:1;
unsigned int target_frame;
#define TARGET_FRAME_INITIAL 0xFFFFFFFF
bool frame_overrun;
case USB_ENDPOINT_HALT:
halted = ep->halted;
- dwc2_hsotg_ep_sethalt(&ep->ep, set, true);
+ if (!ep->wedged)
+ dwc2_hsotg_ep_sethalt(&ep->ep, set, true);
ret = dwc2_hsotg_send_reply(hsotg, ep0, NULL, 0);
if (ret) {
hs_ep->isochronous = 0;
hs_ep->periodic = 0;
hs_ep->halted = 0;
+ hs_ep->wedged = 0;
hs_ep->interval = desc->bInterval;
switch (ep_type) {
return 0;
}
+/**
+ * dwc2_gadget_ep_set_wedge - set wedge on a given endpoint
+ * @ep: The endpoint to be wedged.
+ *
+ */
+static int dwc2_gadget_ep_set_wedge(struct usb_ep *ep)
+{
+ struct dwc2_hsotg_ep *hs_ep = our_ep(ep);
+ struct dwc2_hsotg *hs = hs_ep->parent;
+
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&hs->lock, flags);
+ hs_ep->wedged = 1;
+ ret = dwc2_hsotg_ep_sethalt(ep, 1, false);
+ spin_unlock_irqrestore(&hs->lock, flags);
+
+ return ret;
+}
+
/**
* dwc2_hsotg_ep_sethalt - set halt on a given endpoint
* @ep: The endpoint to set halt.
epctl |= DXEPCTL_EPDIS;
} else {
epctl &= ~DXEPCTL_STALL;
+ hs_ep->wedged = 0;
xfertype = epctl & DXEPCTL_EPTYPE_MASK;
if (xfertype == DXEPCTL_EPTYPE_BULK ||
xfertype == DXEPCTL_EPTYPE_INTERRUPT)
// STALL bit will be set in GOUTNAKEFF interrupt handler
} else {
epctl &= ~DXEPCTL_STALL;
+ hs_ep->wedged = 0;
xfertype = epctl & DXEPCTL_EPTYPE_MASK;
if (xfertype == DXEPCTL_EPTYPE_BULK ||
xfertype == DXEPCTL_EPTYPE_INTERRUPT)
.queue = dwc2_hsotg_ep_queue_lock,
.dequeue = dwc2_hsotg_ep_dequeue,
.set_halt = dwc2_hsotg_ep_sethalt_lock,
+ .set_wedge = dwc2_gadget_ep_set_wedge,
/* note, don't believe we have any call for the fifo routines */
};
return usb_phy_set_power(hsotg->uphy, mA);
}
+static void dwc2_gadget_set_speed(struct usb_gadget *g, enum usb_device_speed speed)
+{
+ struct dwc2_hsotg *hsotg = to_hsotg(g);
+ unsigned long flags;
+
+ spin_lock_irqsave(&hsotg->lock, flags);
+ switch (speed) {
+ case USB_SPEED_HIGH:
+ hsotg->params.speed = DWC2_SPEED_PARAM_HIGH;
+ break;
+ case USB_SPEED_FULL:
+ hsotg->params.speed = DWC2_SPEED_PARAM_FULL;
+ break;
+ case USB_SPEED_LOW:
+ hsotg->params.speed = DWC2_SPEED_PARAM_LOW;
+ break;
+ default:
+ dev_err(hsotg->dev, "invalid speed (%d)\n", speed);
+ }
+ spin_unlock_irqrestore(&hsotg->lock, flags);
+}
+
static const struct usb_gadget_ops dwc2_hsotg_gadget_ops = {
.get_frame = dwc2_hsotg_gadget_getframe,
.set_selfpowered = dwc2_hsotg_set_selfpowered,
.udc_start = dwc2_hsotg_udc_start,
.udc_stop = dwc2_hsotg_udc_stop,
.pullup = dwc2_hsotg_pullup,
+ .udc_set_speed = dwc2_gadget_set_speed,
.vbus_session = dwc2_hsotg_vbus_session,
.vbus_draw = dwc2_hsotg_vbus_draw,
};
if (!DWC3_VER_IS_PRIOR(DWC3, 290A))
reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW;
+ /*
+ * Decouple USB 2.0 L1 & L2 events which will allow for
+ * gadget driver to only receive U3/L2 suspend & wakeup
+ * events and prevent the more frequent L1 LPM transitions
+ * from interrupting the driver.
+ */
+ if (!DWC3_VER_IS_PRIOR(DWC3, 300A))
+ reg |= DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT;
+
if (dwc->dis_tx_ipgap_linecheck_quirk)
reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS;
u8 rx_max_burst_prd;
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
+ u8 tx_fifo_resize_max_num;
const char *usb_psy_name;
int ret;
*/
hird_threshold = 12;
+ /*
+ * default to a TXFIFO size large enough to fit 6 max packets. This
+ * allows for systems with larger bus latencies to have some headroom
+ * for endpoints that have a large bMaxBurst value.
+ */
+ tx_fifo_resize_max_num = 6;
+
dwc->maximum_speed = usb_get_maximum_speed(dev);
dwc->max_ssp_rate = usb_get_maximum_ssp_rate(dev);
dwc->dr_mode = usb_get_dr_mode(dev);
&tx_thr_num_pkt_prd);
device_property_read_u8(dev, "snps,tx-max-burst-prd",
&tx_max_burst_prd);
+ dwc->do_fifo_resize = device_property_read_bool(dev,
+ "tx-fifo-resize");
+ if (dwc->do_fifo_resize)
+ device_property_read_u8(dev, "tx-fifo-max-num",
+ &tx_fifo_resize_max_num);
dwc->disable_scramble_quirk = device_property_read_bool(dev,
"snps,disable_scramble_quirk");
dwc->tx_max_burst_prd = tx_max_burst_prd;
dwc->imod_interval = 0;
+
+ dwc->tx_fifo_resize_max_num = tx_fifo_resize_max_num;
}
/* check whether the core supports IMOD */
#define DWC3_GUCTL_HSTINAUTORETRY BIT(14)
/* Global User Control 1 Register */
-#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17)
+#define DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT BIT(31)
#define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28)
-#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24)
+#define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24)
+#define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17)
/* Global Status Register */
#define DWC3_GSTS_OTG_IP BIT(10)
* @rx_max_burst_prd: max periodic ESS receive burst size
* @tx_thr_num_pkt_prd: periodic ESS transmit packet count
* @tx_max_burst_prd: max periodic ESS transmit burst size
+ * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
* @hsphy_interface: "utmi" or "ulpi"
* @connected: true when we're connected to a host, false otherwise
* @delayed_status: true when gadget driver asks for delayed status
* 1 - utmi_l1_suspend_n
* @is_fpga: true when we are using the FPGA board
* @pending_events: true when we have pending IRQs to be handled
+ * @do_fifo_resize: true when txfifo resizing is enabled for dwc3 endpoints
* @pullups_connected: true when Run/Stop bit is set
* @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
* @three_stage_setup: set if we perform a three phase setup
* @dis_split_quirk: set to disable split boundary.
* @imod_interval: set the interrupt moderation interval in 250ns
* increments or 0 to disable.
+ * @max_cfg_eps: current max number of IN eps used across all USB configs.
+ * @last_fifo_depth: last fifo depth used to determine next fifo ram start
+ * address.
+ * @num_ep_resized: carries the current number endpoints which have had its tx
+ * fifo resized.
*/
struct dwc3 {
struct work_struct drd_work;
u8 rx_max_burst_prd;
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
+ u8 tx_fifo_resize_max_num;
const char *hsphy_interface;
unsigned is_utmi_l1_suspend:1;
unsigned is_fpga:1;
unsigned pending_events:1;
+ unsigned do_fifo_resize:1;
unsigned pullups_connected:1;
unsigned setup_packet_pending:1;
unsigned three_stage_setup:1;
unsigned async_callbacks:1;
u16 imod_interval;
+
+ int max_cfg_eps;
+ int last_fifo_depth;
+ int num_ep_resized;
};
#define INCRX_BURST_MODE 0
struct dwc3_gadget_ep_cmd_params *params);
int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd,
u32 param);
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc);
#else
static inline int dwc3_gadget_init(struct dwc3 *dwc)
{ return 0; }
static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
int cmd, u32 param)
{ return 0; }
+static inline void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{ }
#endif
#if IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
static int dwc3_setup_role_switch(struct dwc3 *dwc)
{
struct usb_role_switch_desc dwc3_role_switch = {NULL};
- const char *str;
u32 mode;
- int ret;
- ret = device_property_read_string(dwc->dev, "role-switch-default-mode",
- &str);
- if (ret >= 0 && !strncmp(str, "host", strlen("host"))) {
- dwc->role_switch_default_mode = USB_DR_MODE_HOST;
+ dwc->role_switch_default_mode = usb_get_role_switch_default_mode(dwc->dev);
+ if (dwc->role_switch_default_mode == USB_DR_MODE_HOST) {
mode = DWC3_GCTL_PRTCAP_HOST;
} else {
dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;
}
dwc3_imx->irq = irq;
- err = devm_request_threaded_irq(dev, irq, NULL, dwc3_imx8mp_interrupt,
- IRQF_ONESHOT, dev_name(dev), dwc3_imx);
- if (err) {
- dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err);
- goto disable_clks;
- }
-
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
err = pm_runtime_get_sync(dev);
}
of_node_put(dwc3_np);
+ err = devm_request_threaded_irq(dev, irq, NULL, dwc3_imx8mp_interrupt,
+ IRQF_ONESHOT, dev_name(dev), dwc3_imx);
+ if (err) {
+ dev_err(dev, "failed to request IRQ #%d --> %d\n", irq, err);
+ goto depopulate;
+ }
+
device_set_wakeup_capable(dev, true);
pm_runtime_put(dev);
USB_R5_ID_DIG_IRQ, 0);
irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
dwc3_meson_g12a_irq_thread,
IRQF_ONESHOT, pdev->name, priv);
#define PCI_DEVICE_ID_INTEL_ADLM 0x54ee
#define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1
#define PCI_DEVICE_ID_INTEL_TGL 0x9a15
+#define PCI_DEVICE_ID_AMD_MR 0x163a
#define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511"
#define PCI_INTEL_BXT_FUNC_PMU_PWR 4
{}
};
+static const struct property_entry dwc3_pci_mr_properties[] = {
+ PROPERTY_ENTRY_STRING("dr_mode", "otg"),
+ PROPERTY_ENTRY_BOOL("usb-role-switch"),
+ PROPERTY_ENTRY_STRING("role-switch-default-mode", "host"),
+ PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
+ {}
+};
+
static const struct software_node dwc3_pci_intel_swnode = {
.properties = dwc3_pci_intel_properties,
};
.properties = dwc3_pci_amd_properties,
};
+static const struct software_node dwc3_pci_amd_mr_swnode = {
+ .properties = dwc3_pci_mr_properties,
+};
+
static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
struct pci_dev *pdev = dwc->pci;
{ PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB),
(kernel_ulong_t) &dwc3_pci_amd_swnode, },
+
+ { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MR),
+ (kernel_ulong_t)&dwc3_pci_amd_mr_swnode, },
+
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
readl(base + offset);
}
-static void dwc3_qcom_vbus_overrride_enable(struct dwc3_qcom *qcom, bool enable)
+static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
{
if (enable) {
dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,
struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);
/* enable vbus override for device mode */
- dwc3_qcom_vbus_overrride_enable(qcom, event);
+ dwc3_qcom_vbus_override_enable(qcom, event);
qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;
return NOTIFY_DONE;
struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);
/* disable vbus override in host mode */
- dwc3_qcom_vbus_overrride_enable(qcom, !event);
+ dwc3_qcom_vbus_override_enable(qcom, !event);
qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;
return NOTIFY_DONE;
qcom->acpi_pdata->dwc3_core_base_size;
irq = platform_get_irq(pdev_irq, 0);
+ if (irq < 0) {
+ ret = irq;
+ goto out;
+ }
child_res[1].flags = IORESOURCE_IRQ;
child_res[1].start = child_res[1].end = irq;
struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
struct device_node *np = pdev->dev.of_node, *dwc3_np;
struct device *dev = &pdev->dev;
+ struct property *prop;
int ret;
dwc3_np = of_get_compatible_child(np, "snps,dwc3");
return -ENODEV;
}
+ prop = devm_kzalloc(dev, sizeof(*prop), GFP_KERNEL);
+ if (!prop) {
+ ret = -ENOMEM;
+ dev_err(dev, "unable to allocate memory for property\n");
+ goto node_put;
+ }
+
+ prop->name = "tx-fifo-resize";
+ ret = of_add_property(dwc3_np, prop);
+ if (ret) {
+ dev_err(dev, "unable to add property\n");
+ goto node_put;
+ }
+
ret = of_platform_populate(np, NULL, NULL, dev);
if (ret) {
dev_err(dev, "failed to register dwc3 core - %d\n", ret);
/* enable vbus override for device mode */
if (qcom->mode == USB_DR_MODE_PERIPHERAL)
- dwc3_qcom_vbus_overrride_enable(qcom, true);
+ dwc3_qcom_vbus_override_enable(qcom, true);
/* register extcon to override sw_vbus on Vbus change later */
ret = dwc3_qcom_register_extcon(qcom);
{ .compatible = "qcom,dwc3" },
{ .compatible = "qcom,msm8996-dwc3" },
{ .compatible = "qcom,msm8998-dwc3" },
+ { .compatible = "qcom,sdm660-dwc3" },
{ .compatible = "qcom,sdm845-dwc3" },
{ }
};
return -EINVAL;
case USB_STATE_ADDRESS:
+ dwc3_gadget_clear_tx_fifos(dwc);
+
ret = dwc3_ep0_delegate_req(dwc, ctrl);
/* if the cfg matches and the cfg is non zero */
if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) {
static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
bool interrupt);
+/**
+ * dwc3_gadget_calc_tx_fifo_size - calculates the txfifo size value
+ * @dwc: pointer to the DWC3 context
+ * @nfifos: number of fifos to calculate for
+ *
+ * Calculates the size value based on the equation below:
+ *
+ * DWC3 revision 280A and prior:
+ * fifo_size = mult * (max_packet / mdwidth) + 1;
+ *
+ * DWC3 revision 290A and onwards:
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * The max packet size is set to 1024, as the txfifo requirements mainly apply
+ * to super speed USB use cases. However, it is safe to overestimate the fifo
+ * allocations for other scenarios, i.e. high speed USB.
+ */
+static int dwc3_gadget_calc_tx_fifo_size(struct dwc3 *dwc, int mult)
+{
+ int max_packet = 1024;
+ int fifo_size;
+ int mdwidth;
+
+ mdwidth = dwc3_mdwidth(dwc);
+
+ /* MDWIDTH is represented in bits, we need it in bytes */
+ mdwidth >>= 3;
+
+ if (DWC3_VER_IS_PRIOR(DWC3, 290A))
+ fifo_size = mult * (max_packet / mdwidth) + 1;
+ else
+ fifo_size = mult * ((max_packet + mdwidth) / mdwidth) + 1;
+ return fifo_size;
+}
+
+/**
+ * dwc3_gadget_clear_tx_fifo_size - Clears txfifo allocation
+ * @dwc: pointer to the DWC3 context
+ *
+ * Iterates through all the endpoint registers and clears the previous txfifo
+ * allocations.
+ */
+void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
+{
+ struct dwc3_ep *dep;
+ int fifo_depth;
+ int size;
+ int num;
+
+ if (!dwc->do_fifo_resize)
+ return;
+
+ /* Read ep0IN related TXFIFO size */
+ dep = dwc->eps[1];
+ size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+ if (DWC3_IP_IS(DWC3))
+ fifo_depth = DWC3_GTXFIFOSIZ_TXFDEP(size);
+ else
+ fifo_depth = DWC31_GTXFIFOSIZ_TXFDEP(size);
+
+ dwc->last_fifo_depth = fifo_depth;
+ /* Clear existing TXFIFO for all IN eps except ep0 */
+ for (num = 3; num < min_t(int, dwc->num_eps, DWC3_ENDPOINTS_NUM);
+ num += 2) {
+ dep = dwc->eps[num];
+ /* Don't change TXFRAMNUM on usb31 version */
+ size = DWC3_IP_IS(DWC3) ? 0 :
+ dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1)) &
+ DWC31_GTXFIFOSIZ_TXFRAMNUM;
+
+ dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(num >> 1), size);
+ }
+ dwc->num_ep_resized = 0;
+}
+
+/*
+ * dwc3_gadget_resize_tx_fifos - reallocate fifo spaces for current use-case
+ * @dwc: pointer to our context structure
+ *
+ * This function will a best effort FIFO allocation in order
+ * to improve FIFO usage and throughput, while still allowing
+ * us to enable as many endpoints as possible.
+ *
+ * Keep in mind that this operation will be highly dependent
+ * on the configured size for RAM1 - which contains TxFifo -,
+ * the amount of endpoints enabled on coreConsultant tool, and
+ * the width of the Master Bus.
+ *
+ * In general, FIFO depths are represented with the following equation:
+ *
+ * fifo_size = mult * ((max_packet + mdwidth)/mdwidth + 1) + 1
+ *
+ * In conjunction with dwc3_gadget_check_config(), this resizing logic will
+ * ensure that all endpoints will have enough internal memory for one max
+ * packet per endpoint.
+ */
+static int dwc3_gadget_resize_tx_fifos(struct dwc3_ep *dep)
+{
+ struct dwc3 *dwc = dep->dwc;
+ int fifo_0_start;
+ int ram1_depth;
+ int fifo_size;
+ int min_depth;
+ int num_in_ep;
+ int remaining;
+ int num_fifos = 1;
+ int fifo;
+ int tmp;
+
+ if (!dwc->do_fifo_resize)
+ return 0;
+
+ /* resize IN endpoints except ep0 */
+ if (!usb_endpoint_dir_in(dep->endpoint.desc) || dep->number <= 1)
+ return 0;
+
+ ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+
+ if ((dep->endpoint.maxburst > 1 &&
+ usb_endpoint_xfer_bulk(dep->endpoint.desc)) ||
+ usb_endpoint_xfer_isoc(dep->endpoint.desc))
+ num_fifos = 3;
+
+ if (dep->endpoint.maxburst > 6 &&
+ usb_endpoint_xfer_bulk(dep->endpoint.desc) && DWC3_IP_IS(DWC31))
+ num_fifos = dwc->tx_fifo_resize_max_num;
+
+ /* FIFO size for a single buffer */
+ fifo = dwc3_gadget_calc_tx_fifo_size(dwc, 1);
+
+ /* Calculate the number of remaining EPs w/o any FIFO */
+ num_in_ep = dwc->max_cfg_eps;
+ num_in_ep -= dwc->num_ep_resized;
+
+ /* Reserve at least one FIFO for the number of IN EPs */
+ min_depth = num_in_ep * (fifo + 1);
+ remaining = ram1_depth - min_depth - dwc->last_fifo_depth;
+ remaining = max_t(int, 0, remaining);
+ /*
+ * We've already reserved 1 FIFO per EP, so check what we can fit in
+ * addition to it. If there is not enough remaining space, allocate
+ * all the remaining space to the EP.
+ */
+ fifo_size = (num_fifos - 1) * fifo;
+ if (remaining < fifo_size)
+ fifo_size = remaining;
+
+ fifo_size += fifo;
+ /* Last increment according to the TX FIFO size equation */
+ fifo_size++;
+
+ /* Check if TXFIFOs start at non-zero addr */
+ tmp = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(0));
+ fifo_0_start = DWC3_GTXFIFOSIZ_TXFSTADDR(tmp);
+
+ fifo_size |= (fifo_0_start + (dwc->last_fifo_depth << 16));
+ if (DWC3_IP_IS(DWC3))
+ dwc->last_fifo_depth += DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+ else
+ dwc->last_fifo_depth += DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+ /* Check fifo size allocation doesn't exceed available RAM size. */
+ if (dwc->last_fifo_depth >= ram1_depth) {
+ dev_err(dwc->dev, "Fifosize(%d) > RAM size(%d) %s depth:%d\n",
+ dwc->last_fifo_depth, ram1_depth,
+ dep->endpoint.name, fifo_size);
+ if (DWC3_IP_IS(DWC3))
+ fifo_size = DWC3_GTXFIFOSIZ_TXFDEP(fifo_size);
+ else
+ fifo_size = DWC31_GTXFIFOSIZ_TXFDEP(fifo_size);
+
+ dwc->last_fifo_depth -= fifo_size;
+ return -ENOMEM;
+ }
+
+ dwc3_writel(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1), fifo_size);
+ dwc->num_ep_resized++;
+
+ return 0;
+}
+
/**
* __dwc3_gadget_ep_enable - initializes a hw endpoint
* @dep: endpoint to be initialized
int ret;
if (!(dep->flags & DWC3_EP_ENABLED)) {
+ ret = dwc3_gadget_resize_tx_fifos(dep);
+ if (ret)
+ return ret;
+
ret = dwc3_gadget_start_config(dep);
if (ret)
return ret;
spin_lock_irqsave(&dwc->lock, flags);
dwc->gadget_driver = NULL;
+ dwc->max_cfg_eps = 0;
spin_unlock_irqrestore(&dwc->lock, flags);
free_irq(dwc->irq_gadget, dwc->ev_buf);
return ret;
}
+/**
+ * dwc3_gadget_check_config - ensure dwc3 can support the USB configuration
+ * @g: pointer to the USB gadget
+ *
+ * Used to record the maximum number of endpoints being used in a USB composite
+ * device. (across all configurations) This is to be used in the calculation
+ * of the TXFIFO sizes when resizing internal memory for individual endpoints.
+ * It will help ensured that the resizing logic reserves enough space for at
+ * least one max packet.
+ */
+static int dwc3_gadget_check_config(struct usb_gadget *g)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ struct usb_ep *ep;
+ int fifo_size = 0;
+ int ram1_depth;
+ int ep_num = 0;
+
+ if (!dwc->do_fifo_resize)
+ return 0;
+
+ list_for_each_entry(ep, &g->ep_list, ep_list) {
+ /* Only interested in the IN endpoints */
+ if (ep->claimed && (ep->address & USB_DIR_IN))
+ ep_num++;
+ }
+
+ if (ep_num <= dwc->max_cfg_eps)
+ return 0;
+
+ /* Update the max number of eps in the composition */
+ dwc->max_cfg_eps = ep_num;
+
+ fifo_size = dwc3_gadget_calc_tx_fifo_size(dwc, dwc->max_cfg_eps);
+ /* Based on the equation, increment by one for every ep */
+ fifo_size += dwc->max_cfg_eps;
+
+ /* Check if we can fit a single fifo per endpoint */
+ ram1_depth = DWC3_RAM1_DEPTH(dwc->hwparams.hwparams7);
+ if (fifo_size > ram1_depth)
+ return -ENOMEM;
+
+ return 0;
+}
+
static void dwc3_gadget_async_callbacks(struct usb_gadget *g, bool enable)
{
struct dwc3 *dwc = gadget_to_dwc(g);
.udc_set_ssp_rate = dwc3_gadget_set_ssp_rate,
.get_config_params = dwc3_gadget_config_params,
.vbus_draw = dwc3_gadget_vbus_draw,
+ .check_config = dwc3_gadget_check_config,
.udc_async_callbacks = dwc3_gadget_async_callbacks,
};
}
- usb_initialize_gadget(dwc->dev, dwc->gadget, dwc_gadget_release);
+ usb_initialize_gadget(dwc->sysdev, dwc->gadget, dwc_gadget_release);
dev = &dwc->gadget->dev;
dev->platform_data = dwc;
dwc->gadget->ops = &dwc3_gadget_ops;
depends on USB_CONFIGFS
depends on VIDEO_V4L2
depends on VIDEO_DEV
+ select VIDEOBUF2_DMA_SG
select VIDEOBUF2_VMALLOC
select USB_F_UVC
help
{
unsigned val;
- if (c->MaxPower)
+ if (c->MaxPower || (c->bmAttributes & USB_CONFIG_ATT_SELFPOWER))
val = c->MaxPower;
else
val = CONFIG_USB_GADGET_VBUS_DRAW;
}
/* when we return, be sure our power usage is valid */
- power = c->MaxPower ? c->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
+ if (c->MaxPower || (c->bmAttributes & USB_CONFIG_ATT_SELFPOWER))
+ power = c->MaxPower;
+ else
+ power = CONFIG_USB_GADGET_VBUS_DRAW;
+
if (gadget->speed < USB_SPEED_SUPER)
power = min(power, 500U);
else
static inline struct gadget_info *to_gadget_info(struct config_item *item)
{
- return container_of(to_config_group(item), struct gadget_info, group);
+ return container_of(to_config_group(item), struct gadget_info, group);
}
struct config_usb_cfg {
static inline struct gadget_strings *to_gadget_strings(struct config_item *item)
{
- return container_of(to_config_group(item), struct gadget_strings,
+ return container_of(to_config_group(item), struct gadget_strings,
group);
}
static inline struct gadget_config_name *to_gadget_config_name(
struct config_item *item)
{
- return container_of(to_config_group(item), struct gadget_config_name,
+ return container_of(to_config_group(item), struct gadget_config_name,
group);
}
static inline struct usb_function_instance *to_usb_function_instance(
struct config_item *item)
{
- return container_of(to_config_group(item),
+ return container_of(to_config_group(item),
struct usb_function_instance, group);
}
goto err_purge_funcs;
}
}
+ ret = usb_gadget_check_config(cdev->gadget);
+ if (ret)
+ goto err_purge_funcs;
+
usb_ep_autoconfig_reset(cdev->gadget);
}
if (cdev->use_os_string) {
break;
case USB_TYPE_CLASS | 0x01:
- if (*current_class == USB_INTERFACE_CLASS_HID) {
+ if (*current_class == USB_INTERFACE_CLASS_HID) {
pr_vdebug("hid descriptor\n");
if (length != sizeof(struct hid_descriptor))
goto inv_length;
data = memdup_user(buf, len);
if (IS_ERR(data))
- return ERR_PTR(PTR_ERR(data));
+ return data;
pr_vdebug("Buffer from user space:\n");
ffs_dump_mem("", data, len);
unsigned short report_desc_length;
char *report_desc;
unsigned short report_length;
+ /*
+ * use_out_ep - if true, the OUT Endpoint (interrupt out method)
+ * will be used to receive reports from the host
+ * using functions with the "intout" suffix.
+ * Otherwise, the OUT Endpoint will not be configured
+ * and the SETUP/SET_REPORT method ("ssreport" suffix)
+ * will be used to receive reports.
+ */
+ bool use_out_ep;
/* recv report */
- struct list_head completed_out_req;
spinlock_t read_spinlock;
wait_queue_head_t read_queue;
+ /* recv report - interrupt out only (use_out_ep == 1) */
+ struct list_head completed_out_req;
unsigned int qlen;
+ /* recv report - setup set_report only (use_out_ep == 0) */
+ char *set_report_buf;
+ unsigned int set_report_length;
/* send report */
spinlock_t write_spinlock;
.bDescriptorType = USB_DT_INTERFACE,
/* .bInterfaceNumber = DYNAMIC */
.bAlternateSetting = 0,
- .bNumEndpoints = 2,
+ /* .bNumEndpoints = DYNAMIC (depends on use_out_ep) */
.bInterfaceClass = USB_CLASS_HID,
/* .bInterfaceSubClass = DYNAMIC */
/* .bInterfaceProtocol = DYNAMIC */
/* .wBytesPerInterval = DYNAMIC */
};
-static struct usb_descriptor_header *hidg_ss_descriptors[] = {
+static struct usb_descriptor_header *hidg_ss_descriptors_intout[] = {
(struct usb_descriptor_header *)&hidg_interface_desc,
(struct usb_descriptor_header *)&hidg_desc,
(struct usb_descriptor_header *)&hidg_ss_in_ep_desc,
NULL,
};
+static struct usb_descriptor_header *hidg_ss_descriptors_ssreport[] = {
+ (struct usb_descriptor_header *)&hidg_interface_desc,
+ (struct usb_descriptor_header *)&hidg_desc,
+ (struct usb_descriptor_header *)&hidg_ss_in_ep_desc,
+ (struct usb_descriptor_header *)&hidg_ss_in_comp_desc,
+ NULL,
+};
+
/* High-Speed Support */
static struct usb_endpoint_descriptor hidg_hs_in_ep_desc = {
*/
};
-static struct usb_descriptor_header *hidg_hs_descriptors[] = {
+static struct usb_descriptor_header *hidg_hs_descriptors_intout[] = {
(struct usb_descriptor_header *)&hidg_interface_desc,
(struct usb_descriptor_header *)&hidg_desc,
(struct usb_descriptor_header *)&hidg_hs_in_ep_desc,
NULL,
};
+static struct usb_descriptor_header *hidg_hs_descriptors_ssreport[] = {
+ (struct usb_descriptor_header *)&hidg_interface_desc,
+ (struct usb_descriptor_header *)&hidg_desc,
+ (struct usb_descriptor_header *)&hidg_hs_in_ep_desc,
+ NULL,
+};
+
/* Full-Speed Support */
static struct usb_endpoint_descriptor hidg_fs_in_ep_desc = {
*/
};
-static struct usb_descriptor_header *hidg_fs_descriptors[] = {
+static struct usb_descriptor_header *hidg_fs_descriptors_intout[] = {
(struct usb_descriptor_header *)&hidg_interface_desc,
(struct usb_descriptor_header *)&hidg_desc,
(struct usb_descriptor_header *)&hidg_fs_in_ep_desc,
NULL,
};
+static struct usb_descriptor_header *hidg_fs_descriptors_ssreport[] = {
+ (struct usb_descriptor_header *)&hidg_interface_desc,
+ (struct usb_descriptor_header *)&hidg_desc,
+ (struct usb_descriptor_header *)&hidg_fs_in_ep_desc,
+ NULL,
+};
+
/*-------------------------------------------------------------------------*/
/* Strings */
/*-------------------------------------------------------------------------*/
/* Char Device */
-static ssize_t f_hidg_read(struct file *file, char __user *buffer,
- size_t count, loff_t *ptr)
+static ssize_t f_hidg_intout_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ptr)
{
struct f_hidg *hidg = file->private_data;
struct f_hidg_req_list *list;
spin_lock_irqsave(&hidg->read_spinlock, flags);
-#define READ_COND (!list_empty(&hidg->completed_out_req))
+#define READ_COND_INTOUT (!list_empty(&hidg->completed_out_req))
/* wait for at least one buffer to complete */
- while (!READ_COND) {
+ while (!READ_COND_INTOUT) {
spin_unlock_irqrestore(&hidg->read_spinlock, flags);
if (file->f_flags & O_NONBLOCK)
return -EAGAIN;
- if (wait_event_interruptible(hidg->read_queue, READ_COND))
+ if (wait_event_interruptible(hidg->read_queue, READ_COND_INTOUT))
return -ERESTARTSYS;
spin_lock_irqsave(&hidg->read_spinlock, flags);
return count;
}
+#define READ_COND_SSREPORT (hidg->set_report_buf != NULL)
+
+static ssize_t f_hidg_ssreport_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ptr)
+{
+ struct f_hidg *hidg = file->private_data;
+ char *tmp_buf = NULL;
+ unsigned long flags;
+
+ if (!count)
+ return 0;
+
+ spin_lock_irqsave(&hidg->read_spinlock, flags);
+
+ while (!READ_COND_SSREPORT) {
+ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+ if (file->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+
+ if (wait_event_interruptible(hidg->read_queue, READ_COND_SSREPORT))
+ return -ERESTARTSYS;
+
+ spin_lock_irqsave(&hidg->read_spinlock, flags);
+ }
+
+ count = min_t(unsigned int, count, hidg->set_report_length);
+ tmp_buf = hidg->set_report_buf;
+ hidg->set_report_buf = NULL;
+
+ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+
+ if (tmp_buf != NULL) {
+ count -= copy_to_user(buffer, tmp_buf, count);
+ kfree(tmp_buf);
+ } else {
+ count = -ENOMEM;
+ }
+
+ wake_up(&hidg->read_queue);
+
+ return count;
+}
+
+static ssize_t f_hidg_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ptr)
+{
+ struct f_hidg *hidg = file->private_data;
+
+ if (hidg->use_out_ep)
+ return f_hidg_intout_read(file, buffer, count, ptr);
+ else
+ return f_hidg_ssreport_read(file, buffer, count, ptr);
+}
+
static void f_hidg_req_complete(struct usb_ep *ep, struct usb_request *req)
{
struct f_hidg *hidg = (struct f_hidg *)ep->driver_data;
if (WRITE_COND)
ret |= EPOLLOUT | EPOLLWRNORM;
- if (READ_COND)
- ret |= EPOLLIN | EPOLLRDNORM;
+ if (hidg->use_out_ep) {
+ if (READ_COND_INTOUT)
+ ret |= EPOLLIN | EPOLLRDNORM;
+ } else {
+ if (READ_COND_SSREPORT)
+ ret |= EPOLLIN | EPOLLRDNORM;
+ }
return ret;
}
#undef WRITE_COND
-#undef READ_COND
+#undef READ_COND_SSREPORT
+#undef READ_COND_INTOUT
static int f_hidg_release(struct inode *inode, struct file *fd)
{
return alloc_ep_req(ep, length);
}
-static void hidg_set_report_complete(struct usb_ep *ep, struct usb_request *req)
+static void hidg_intout_complete(struct usb_ep *ep, struct usb_request *req)
{
struct f_hidg *hidg = (struct f_hidg *) req->context;
struct usb_composite_dev *cdev = hidg->func.config->cdev;
}
}
+static void hidg_ssreport_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ struct f_hidg *hidg = (struct f_hidg *)req->context;
+ struct usb_composite_dev *cdev = hidg->func.config->cdev;
+ char *new_buf = NULL;
+ unsigned long flags;
+
+ if (req->status != 0 || req->buf == NULL || req->actual == 0) {
+ ERROR(cdev,
+ "%s FAILED: status=%d, buf=%p, actual=%d\n",
+ __func__, req->status, req->buf, req->actual);
+ return;
+ }
+
+ spin_lock_irqsave(&hidg->read_spinlock, flags);
+
+ new_buf = krealloc(hidg->set_report_buf, req->actual, GFP_ATOMIC);
+ if (new_buf == NULL) {
+ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+ return;
+ }
+ hidg->set_report_buf = new_buf;
+
+ hidg->set_report_length = req->actual;
+ memcpy(hidg->set_report_buf, req->buf, req->actual);
+
+ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
+
+ wake_up(&hidg->read_queue);
+}
+
static int hidg_setup(struct usb_function *f,
const struct usb_ctrlrequest *ctrl)
{
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
| HID_REQ_SET_REPORT):
VDBG(cdev, "set_report | wLength=%d\n", ctrl->wLength);
- goto stall;
+ if (hidg->use_out_ep)
+ goto stall;
+ req->complete = hidg_ssreport_complete;
+ req->context = hidg;
+ goto respond;
break;
case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8
unsigned long flags;
usb_ep_disable(hidg->in_ep);
- usb_ep_disable(hidg->out_ep);
- spin_lock_irqsave(&hidg->read_spinlock, flags);
- list_for_each_entry_safe(list, next, &hidg->completed_out_req, list) {
- free_ep_req(hidg->out_ep, list->req);
- list_del(&list->list);
- kfree(list);
+ if (hidg->out_ep) {
+ usb_ep_disable(hidg->out_ep);
+
+ spin_lock_irqsave(&hidg->read_spinlock, flags);
+ list_for_each_entry_safe(list, next, &hidg->completed_out_req, list) {
+ free_ep_req(hidg->out_ep, list->req);
+ list_del(&list->list);
+ kfree(list);
+ }
+ spin_unlock_irqrestore(&hidg->read_spinlock, flags);
}
- spin_unlock_irqrestore(&hidg->read_spinlock, flags);
spin_lock_irqsave(&hidg->write_spinlock, flags);
if (!hidg->write_pending) {
}
}
-
- if (hidg->out_ep != NULL) {
+ if (hidg->use_out_ep && hidg->out_ep != NULL) {
/* restart endpoint */
usb_ep_disable(hidg->out_ep);
hidg_alloc_ep_req(hidg->out_ep,
hidg->report_length);
if (req) {
- req->complete = hidg_set_report_complete;
+ req->complete = hidg_intout_complete;
req->context = hidg;
status = usb_ep_queue(hidg->out_ep, req,
GFP_ATOMIC);
}
return 0;
disable_out_ep:
- usb_ep_disable(hidg->out_ep);
+ if (hidg->out_ep)
+ usb_ep_disable(hidg->out_ep);
free_req_in:
if (req_in)
free_ep_req(hidg->in_ep, req_in);
goto fail;
hidg->in_ep = ep;
- ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_out_ep_desc);
- if (!ep)
- goto fail;
- hidg->out_ep = ep;
+ hidg->out_ep = NULL;
+ if (hidg->use_out_ep) {
+ ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_out_ep_desc);
+ if (!ep)
+ goto fail;
+ hidg->out_ep = ep;
+ }
+
+ /* used only if use_out_ep == 1 */
+ hidg->set_report_buf = NULL;
/* set descriptor dynamic values */
hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
+ hidg_interface_desc.bNumEndpoints = hidg->use_out_ep ? 2 : 1;
hidg->protocol = HID_REPORT_PROTOCOL;
hidg->idle = 1;
hidg_ss_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_ss_out_ep_desc.bEndpointAddress =
hidg_fs_out_ep_desc.bEndpointAddress;
- status = usb_assign_descriptors(f, hidg_fs_descriptors,
- hidg_hs_descriptors, hidg_ss_descriptors,
- hidg_ss_descriptors);
+ if (hidg->use_out_ep)
+ status = usb_assign_descriptors(f,
+ hidg_fs_descriptors_intout,
+ hidg_hs_descriptors_intout,
+ hidg_ss_descriptors_intout,
+ hidg_ss_descriptors_intout);
+ else
+ status = usb_assign_descriptors(f,
+ hidg_fs_descriptors_ssreport,
+ hidg_hs_descriptors_ssreport,
+ hidg_ss_descriptors_ssreport,
+ hidg_ss_descriptors_ssreport);
+
if (status)
goto fail;
F_HID_OPT(subclass, 8, 255);
F_HID_OPT(protocol, 8, 255);
+F_HID_OPT(no_out_endpoint, 8, 1);
F_HID_OPT(report_length, 16, 65535);
static ssize_t f_hid_opts_report_desc_show(struct config_item *item, char *page)
static struct configfs_attribute *hid_attrs[] = {
&f_hid_opts_attr_subclass,
&f_hid_opts_attr_protocol,
+ &f_hid_opts_attr_no_out_endpoint,
&f_hid_opts_attr_report_length,
&f_hid_opts_attr_report_desc,
&f_hid_opts_attr_dev,
hidg = func_to_hidg(f);
opts = container_of(f->fi, struct f_hid_opts, func_inst);
kfree(hidg->report_desc);
+ kfree(hidg->set_report_buf);
kfree(hidg);
mutex_lock(&opts->lock);
--opts->refcnt;
return ERR_PTR(-ENOMEM);
}
}
+ hidg->use_out_ep = !opts->no_out_endpoint;
mutex_unlock(&opts->lock);
* Copyright (C) 2009 Samsung Electronics
* Author: Michal Nazarewicz <mina86@mina86.com>
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions, and the following disclaimer,
- * without modification.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The names of the above-listed copyright holders may not be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * ALTERNATIVELY, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") as published by the Free Software
- * Foundation, either version 2 of that License or (at your option) any
- * later version.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
- * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
struct sk_buff *skb_tx_data;
struct sk_buff *skb_tx_ndp;
u16 ndp_dgram_count;
- bool timer_force_tx;
struct hrtimer task_timer;
- bool timer_stopping;
};
static inline struct f_ncm *func_to_ncm(struct usb_function *f)
if (ncm->port.in_ep->enabled) {
DBG(cdev, "reset ncm\n");
- ncm->timer_stopping = true;
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
ncm_reset_values(ncm);
if (IS_ERR(net))
return PTR_ERR(net);
ncm->netdev = net;
- ncm->timer_stopping = false;
}
spin_lock(&ncm->lock);
{
struct f_ncm *ncm = func_to_ncm(&port->func);
struct sk_buff *skb2 = NULL;
- int ncb_len = 0;
- __le16 *ntb_data;
- __le16 *ntb_ndp;
- int dgram_pad;
-
- unsigned max_size = ncm->port.fixed_in_len;
- const struct ndp_parser_opts *opts = ncm->parser_opts;
- const int ndp_align = le16_to_cpu(ntb_parameters.wNdpInAlignment);
- const int div = le16_to_cpu(ntb_parameters.wNdpInDivisor);
- const int rem = le16_to_cpu(ntb_parameters.wNdpInPayloadRemainder);
- const int dgram_idx_len = 2 * 2 * opts->dgram_item_len;
-
- if (!skb && !ncm->skb_tx_data)
- return NULL;
if (skb) {
+ int ncb_len = 0;
+ __le16 *ntb_data;
+ __le16 *ntb_ndp;
+ int dgram_pad;
+
+ unsigned max_size = ncm->port.fixed_in_len;
+ const struct ndp_parser_opts *opts = ncm->parser_opts;
+ const int ndp_align = le16_to_cpu(ntb_parameters.wNdpInAlignment);
+ const int div = le16_to_cpu(ntb_parameters.wNdpInDivisor);
+ const int rem = le16_to_cpu(ntb_parameters.wNdpInPayloadRemainder);
+ const int dgram_idx_len = 2 * 2 * opts->dgram_item_len;
+
/* Add the CRC if required up front */
if (ncm->is_crc) {
uint32_t crc;
dev_consume_skb_any(skb);
skb = NULL;
- } else if (ncm->skb_tx_data && ncm->timer_force_tx) {
- /* If the tx was requested because of a timeout then send */
+ } else if (ncm->skb_tx_data) {
+ /* If we get here ncm_wrap_ntb() was called with NULL skb,
+ * because eth_start_xmit() was called with NULL skb by
+ * ncm_tx_timeout() - hence, this is our signal to flush/send.
+ */
skb2 = package_for_tx(ncm);
if (!skb2)
goto err;
static enum hrtimer_restart ncm_tx_timeout(struct hrtimer *data)
{
struct f_ncm *ncm = container_of(data, struct f_ncm, task_timer);
+ struct net_device *netdev = READ_ONCE(ncm->netdev);
- /* Only send if data is available. */
- if (!ncm->timer_stopping && ncm->skb_tx_data) {
- ncm->timer_force_tx = true;
-
+ if (netdev) {
/* XXX This allowance of a NULL skb argument to ndo_start_xmit
* XXX is not sane. The gadget layer should be redesigned so
* XXX that the dev->wrap() invocations to build SKBs is transparent
* XXX and performed in some way outside of the ndo_start_xmit
* XXX interface.
+ *
+ * This will call directly into u_ether's eth_start_xmit()
*/
- ncm->netdev->netdev_ops->ndo_start_xmit(NULL, ncm->netdev);
-
- ncm->timer_force_tx = false;
+ netdev->netdev_ops->ndo_start_xmit(NULL, netdev);
}
return HRTIMER_NORESTART;
}
DBG(cdev, "ncm deactivated\n");
if (ncm->port.in_ep->enabled) {
- ncm->timer_stopping = true;
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
}
/* UAC1 spec: 3.7.2.3 Audio Channel Cluster Format */
#define UAC1_CHANNEL_MASK 0x0FFF
+#define USB_OUT_FU_ID (out_feature_unit_desc->bUnitID)
+#define USB_IN_FU_ID (in_feature_unit_desc->bUnitID)
+
#define EPIN_EN(_opts) ((_opts)->p_chmask != 0)
#define EPOUT_EN(_opts) ((_opts)->c_chmask != 0)
+#define FUIN_EN(_opts) ((_opts)->p_mute_present \
+ || (_opts)->p_volume_present)
+#define FUOUT_EN(_opts) ((_opts)->c_mute_present \
+ || (_opts)->c_volume_present)
struct f_uac1 {
struct g_audio g_audio;
u8 ac_intf, as_in_intf, as_out_intf;
u8 ac_alt, as_in_alt, as_out_alt; /* needed for get_alt() */
+
+ struct usb_ctrlrequest setup_cr; /* will be used in data stage */
+
+ /* Interrupt IN endpoint of AC interface */
+ struct usb_ep *int_ep;
+ atomic_t int_count;
};
static inline struct f_uac1 *func_to_uac1(struct usb_function *f)
static struct usb_interface_descriptor ac_interface_desc = {
.bLength = USB_DT_INTERFACE_SIZE,
.bDescriptorType = USB_DT_INTERFACE,
- .bNumEndpoints = 0,
+ /* .bNumEndpoints = DYNAMIC */
.bInterfaceClass = USB_CLASS_AUDIO,
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
};
/* .bSourceID = DYNAMIC */
};
+static struct uac_feature_unit_descriptor *in_feature_unit_desc;
+static struct uac_feature_unit_descriptor *out_feature_unit_desc;
+
+/* AC IN Interrupt Endpoint */
+static struct usb_endpoint_descriptor ac_int_ep_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = cpu_to_le16(2),
+ .bInterval = 4,
+};
+
/* B.4.1 Standard AS Interface Descriptor */
static struct usb_interface_descriptor as_out_interface_alt_0_desc = {
.bLength = USB_DT_INTERFACE_SIZE,
(struct usb_descriptor_header *)&usb_out_it_desc,
(struct usb_descriptor_header *)&io_out_ot_desc,
+ (struct usb_descriptor_header *)&out_feature_unit_desc,
+
(struct usb_descriptor_header *)&io_in_it_desc,
(struct usb_descriptor_header *)&usb_in_ot_desc,
+ (struct usb_descriptor_header *)&in_feature_unit_desc,
+
+ (struct usb_descriptor_header *)&ac_int_ep_desc,
(struct usb_descriptor_header *)&as_out_interface_alt_0_desc,
(struct usb_descriptor_header *)&as_out_interface_alt_1_desc,
STR_IO_IN_IT,
STR_IO_IN_IT_CH_NAMES,
STR_USB_IN_OT,
+ STR_FU_IN,
+ STR_FU_OUT,
STR_AS_OUT_IF_ALT0,
STR_AS_OUT_IF_ALT1,
STR_AS_IN_IF_ALT0,
[STR_IO_IN_IT].s = "Capture Input terminal",
[STR_IO_IN_IT_CH_NAMES].s = "Capture Channels",
[STR_USB_IN_OT].s = "Capture Output terminal",
+ [STR_FU_IN].s = "Capture Volume",
+ [STR_FU_OUT].s = "Playback Volume",
[STR_AS_OUT_IF_ALT0].s = "Playback Inactive",
[STR_AS_OUT_IF_ALT1].s = "Playback Active",
[STR_AS_IN_IF_ALT0].s = "Capture Inactive",
* This function is an ALSA sound card following USB Audio Class Spec 1.0.
*/
+static void audio_notify_complete(struct usb_ep *_ep, struct usb_request *req)
+{
+ struct g_audio *audio = req->context;
+ struct f_uac1 *uac1 = func_to_uac1(&audio->func);
+
+ atomic_dec(&uac1->int_count);
+ kfree(req->buf);
+ usb_ep_free_request(_ep, req);
+}
+
+static int audio_notify(struct g_audio *audio, int unit_id, int cs)
+{
+ struct f_uac1 *uac1 = func_to_uac1(&audio->func);
+ struct usb_request *req;
+ struct uac1_status_word *msg;
+ int ret;
+
+ if (!uac1->int_ep->enabled)
+ return 0;
+
+ if (atomic_inc_return(&uac1->int_count) > UAC1_DEF_INT_REQ_NUM) {
+ atomic_dec(&uac1->int_count);
+ return 0;
+ }
+
+ req = usb_ep_alloc_request(uac1->int_ep, GFP_ATOMIC);
+ if (req == NULL) {
+ ret = -ENOMEM;
+ goto err_dec_int_count;
+ }
+
+ msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+ if (msg == NULL) {
+ ret = -ENOMEM;
+ goto err_free_request;
+ }
+
+ msg->bStatusType = UAC1_STATUS_TYPE_IRQ_PENDING
+ | UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF;
+ msg->bOriginator = unit_id;
+
+ req->length = sizeof(*msg);
+ req->buf = msg;
+ req->context = audio;
+ req->complete = audio_notify_complete;
+
+ ret = usb_ep_queue(uac1->int_ep, req, GFP_ATOMIC);
+
+ if (ret)
+ goto err_free_msg;
+
+ return 0;
+
+err_free_msg:
+ kfree(msg);
+err_free_request:
+ usb_ep_free_request(uac1->int_ep, req);
+err_dec_int_count:
+ atomic_dec(&uac1->int_count);
+
+ return ret;
+}
+
+static int
+in_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr)
+{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *audio = func_to_g_audio(fn);
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+ int value = -EOPNOTSUPP;
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_MUTE) {
+ unsigned int mute;
+
+ u_audio_get_mute(audio, is_playback, &mute);
+
+ *(u8 *)req->buf = mute;
+ value = min_t(unsigned int, w_length, 1);
+ } else if (control_selector == UAC_FU_VOLUME) {
+ __le16 c;
+ s16 volume;
+
+ u_audio_get_volume(audio, is_playback, &volume);
+
+ c = cpu_to_le16(volume);
+
+ value = min_t(unsigned int, w_length, sizeof(c));
+ memcpy(req->buf, &c, value);
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
+
+ return value;
+}
+
+static int
+in_rq_min(struct usb_function *fn, const struct usb_ctrlrequest *cr)
+{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *audio = func_to_g_audio(fn);
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+ int value = -EOPNOTSUPP;
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_VOLUME) {
+ __le16 r;
+ s16 min_db;
+
+ if (is_playback)
+ min_db = opts->p_volume_min;
+ else
+ min_db = opts->c_volume_min;
+
+ r = cpu_to_le16(min_db);
+
+ value = min_t(unsigned int, w_length, sizeof(r));
+ memcpy(req->buf, &r, value);
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
+
+ return value;
+}
+
+static int
+in_rq_max(struct usb_function *fn, const struct usb_ctrlrequest *cr)
+{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *audio = func_to_g_audio(fn);
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+ int value = -EOPNOTSUPP;
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_VOLUME) {
+ __le16 r;
+ s16 max_db;
+
+ if (is_playback)
+ max_db = opts->p_volume_max;
+ else
+ max_db = opts->c_volume_max;
+
+ r = cpu_to_le16(max_db);
+
+ value = min_t(unsigned int, w_length, sizeof(r));
+ memcpy(req->buf, &r, value);
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
+
+ return value;
+}
+
+static int
+in_rq_res(struct usb_function *fn, const struct usb_ctrlrequest *cr)
+{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *audio = func_to_g_audio(fn);
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+ int value = -EOPNOTSUPP;
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_VOLUME) {
+ __le16 r;
+ s16 res_db;
+
+ if (is_playback)
+ res_db = opts->p_volume_res;
+ else
+ res_db = opts->c_volume_res;
+
+ r = cpu_to_le16(res_db);
+
+ value = min_t(unsigned int, w_length, sizeof(r));
+ memcpy(req->buf, &r, value);
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
+
+ return value;
+}
+
+static void
+out_rq_cur_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ struct g_audio *audio = req->context;
+ struct usb_composite_dev *cdev = audio->func.config->cdev;
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ struct f_uac1 *uac1 = func_to_uac1(&audio->func);
+ struct usb_ctrlrequest *cr = &uac1->setup_cr;
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+
+ if (req->status != 0) {
+ dev_dbg(&cdev->gadget->dev, "completion err %d\n", req->status);
+ return;
+ }
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_MUTE) {
+ u8 mute = *(u8 *)req->buf;
+
+ u_audio_set_mute(audio, is_playback, mute);
+
+ return;
+ } else if (control_selector == UAC_FU_VOLUME) {
+ __le16 *c = req->buf;
+ s16 volume;
+
+ volume = le16_to_cpu(*c);
+ u_audio_set_volume(audio, is_playback, volume);
+
+ return;
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ usb_ep_set_halt(ep);
+ }
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ usb_ep_set_halt(ep);
+
+ }
+}
+
+static int
+out_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr)
+{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *audio = func_to_g_audio(fn);
+ struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio);
+ struct f_uac1 *uac1 = func_to_uac1(&audio->func);
+ u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ memcpy(&uac1->setup_cr, cr, sizeof(*cr));
+ req->context = audio;
+ req->complete = out_rq_cur_complete;
+
+ return w_length;
+ } else {
+ dev_err(&audio->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
+ return -EOPNOTSUPP;
+}
+
+static int ac_rq_in(struct usb_function *f,
+ const struct usb_ctrlrequest *ctrl)
+{
+ struct usb_composite_dev *cdev = f->config->cdev;
+ int value = -EOPNOTSUPP;
+ u8 ep = ((le16_to_cpu(ctrl->wIndex) >> 8) & 0xFF);
+ u16 len = le16_to_cpu(ctrl->wLength);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
+
+ DBG(cdev, "bRequest 0x%x, w_value 0x%04x, len %d, endpoint %d\n",
+ ctrl->bRequest, w_value, len, ep);
+
+ switch (ctrl->bRequest) {
+ case UAC_GET_CUR:
+ return in_rq_cur(f, ctrl);
+ case UAC_GET_MIN:
+ return in_rq_min(f, ctrl);
+ case UAC_GET_MAX:
+ return in_rq_max(f, ctrl);
+ case UAC_GET_RES:
+ return in_rq_res(f, ctrl);
+ case UAC_GET_MEM:
+ break;
+ case UAC_GET_STAT:
+ value = len;
+ break;
+ default:
+ break;
+ }
+
+ return value;
+}
+
static int audio_set_endpoint_req(struct usb_function *f,
const struct usb_ctrlrequest *ctrl)
{
case USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_ENDPOINT:
value = audio_get_endpoint_req(f, ctrl);
break;
-
+ case USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE:
+ if (ctrl->bRequest == UAC_SET_CUR)
+ value = out_rq_cur(f, ctrl);
+ break;
+ case USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE:
+ value = ac_rq_in(f, ctrl);
+ break;
default:
ERROR(cdev, "invalid control req%02x.%02x v%04x i%04x l%d\n",
ctrl->bRequestType, ctrl->bRequest,
struct usb_composite_dev *cdev = f->config->cdev;
struct usb_gadget *gadget = cdev->gadget;
struct device *dev = &gadget->dev;
+ struct g_audio *audio = func_to_g_audio(f);
struct f_uac1 *uac1 = func_to_uac1(f);
int ret = 0;
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
return -EINVAL;
}
+
+ /* restart interrupt endpoint */
+ if (uac1->int_ep) {
+ usb_ep_disable(uac1->int_ep);
+ config_ep_by_speed(gadget, &audio->func, uac1->int_ep);
+ usb_ep_enable(uac1->int_ep);
+ }
+
return 0;
}
u_audio_stop_playback(&uac1->g_audio);
u_audio_stop_capture(&uac1->g_audio);
+ if (uac1->int_ep)
+ usb_ep_disable(uac1->int_ep);
}
/*-------------------------------------------------------------------------*/
+static struct uac_feature_unit_descriptor *build_fu_desc(int chmask)
+{
+ struct uac_feature_unit_descriptor *fu_desc;
+ int channels = num_channels(chmask);
+ int fu_desc_size = UAC_DT_FEATURE_UNIT_SIZE(channels);
+
+ fu_desc = kzalloc(fu_desc_size, GFP_KERNEL);
+ if (!fu_desc)
+ return NULL;
+
+ fu_desc->bLength = fu_desc_size;
+ fu_desc->bDescriptorType = USB_DT_CS_INTERFACE;
+
+ fu_desc->bDescriptorSubtype = UAC_FEATURE_UNIT;
+ fu_desc->bControlSize = 2;
+ /* bUnitID, bSourceID and bmaControls will be defined later */
+
+ return fu_desc;
+}
+
+/* B.3.2 Class-Specific AC Interface Descriptor */
static struct
uac1_ac_header_descriptor *build_ac_header_desc(struct f_uac1_opts *opts)
{
io_out_ot_desc.bTerminalID = i++;
if (EPIN_EN(opts))
usb_in_ot_desc.bTerminalID = i++;
-
- usb_in_ot_desc.bSourceID = io_in_it_desc.bTerminalID;
- io_out_ot_desc.bSourceID = usb_out_it_desc.bTerminalID;
+ if (FUOUT_EN(opts))
+ out_feature_unit_desc->bUnitID = i++;
+ if (FUIN_EN(opts))
+ in_feature_unit_desc->bUnitID = i++;
+
+ if (FUIN_EN(opts)) {
+ usb_in_ot_desc.bSourceID = in_feature_unit_desc->bUnitID;
+ in_feature_unit_desc->bSourceID = io_in_it_desc.bTerminalID;
+ } else {
+ usb_in_ot_desc.bSourceID = io_in_it_desc.bTerminalID;
+ }
+ if (FUOUT_EN(opts)) {
+ io_out_ot_desc.bSourceID = out_feature_unit_desc->bUnitID;
+ out_feature_unit_desc->bSourceID = usb_out_it_desc.bTerminalID;
+ } else {
+ io_out_ot_desc.bSourceID = usb_out_it_desc.bTerminalID;
+ }
as_out_header_desc.bTerminalLink = usb_out_it_desc.bTerminalID;
as_in_header_desc.bTerminalLink = usb_in_ot_desc.bTerminalID;
len += sizeof(usb_in_ot_desc);
len += sizeof(io_in_it_desc);
+ if (FUIN_EN(opts))
+ len += in_feature_unit_desc->bLength;
ac_header_desc->wTotalLength = cpu_to_le16(len);
}
if (EPOUT_EN(opts)) {
len += sizeof(usb_out_it_desc);
len += sizeof(io_out_ot_desc);
+ if (FUOUT_EN(opts))
+ len += out_feature_unit_desc->bLength;
ac_header_desc->wTotalLength = cpu_to_le16(len);
}
if (EPOUT_EN(opts)) {
f_audio_desc[i++] = USBDHDR(&usb_out_it_desc);
f_audio_desc[i++] = USBDHDR(&io_out_ot_desc);
+ if (FUOUT_EN(opts))
+ f_audio_desc[i++] = USBDHDR(out_feature_unit_desc);
}
if (EPIN_EN(opts)) {
f_audio_desc[i++] = USBDHDR(&io_in_it_desc);
f_audio_desc[i++] = USBDHDR(&usb_in_ot_desc);
+ if (FUIN_EN(opts))
+ f_audio_desc[i++] = USBDHDR(in_feature_unit_desc);
}
+ if (FUOUT_EN(opts) || FUIN_EN(opts))
+ f_audio_desc[i++] = USBDHDR(&ac_int_ep_desc);
+
if (EPOUT_EN(opts)) {
f_audio_desc[i++] = USBDHDR(&as_out_interface_alt_0_desc);
f_audio_desc[i++] = USBDHDR(&as_out_interface_alt_1_desc);
return -EINVAL;
}
+ if (opts->p_volume_max <= opts->p_volume_min) {
+ dev_err(dev, "Error: incorrect playback volume max/min\n");
+ return -EINVAL;
+ } else if (opts->c_volume_max <= opts->c_volume_min) {
+ dev_err(dev, "Error: incorrect capture volume max/min\n");
+ return -EINVAL;
+ } else if (opts->p_volume_res <= 0) {
+ dev_err(dev, "Error: negative/zero playback volume resolution\n");
+ return -EINVAL;
+ } else if (opts->c_volume_res <= 0) {
+ dev_err(dev, "Error: negative/zero capture volume resolution\n");
+ return -EINVAL;
+ }
+
+ if ((opts->p_volume_max - opts->p_volume_min) % opts->p_volume_res) {
+ dev_err(dev, "Error: incorrect playback volume resolution\n");
+ return -EINVAL;
+ } else if ((opts->c_volume_max - opts->c_volume_min) % opts->c_volume_res) {
+ dev_err(dev, "Error: incorrect capture volume resolution\n");
+ return -EINVAL;
+ }
+
return 0;
}
if (!ac_header_desc)
return -ENOMEM;
+ if (FUOUT_EN(audio_opts)) {
+ out_feature_unit_desc = build_fu_desc(audio_opts->c_chmask);
+ if (!out_feature_unit_desc) {
+ status = -ENOMEM;
+ goto fail;
+ }
+ }
+ if (FUIN_EN(audio_opts)) {
+ in_feature_unit_desc = build_fu_desc(audio_opts->p_chmask);
+ if (!in_feature_unit_desc) {
+ status = -ENOMEM;
+ goto err_free_fu;
+ }
+ }
+
ac_interface_desc.iInterface = us[STR_AC_IF].id;
usb_out_it_desc.iTerminal = us[STR_USB_OUT_IT].id;
usb_out_it_desc.iChannelNames = us[STR_USB_OUT_IT_CH_NAMES].id;
as_in_interface_alt_0_desc.iInterface = us[STR_AS_IN_IF_ALT0].id;
as_in_interface_alt_1_desc.iInterface = us[STR_AS_IN_IF_ALT1].id;
+ if (FUOUT_EN(audio_opts)) {
+ u8 *i_feature;
+
+ i_feature = (u8 *)out_feature_unit_desc +
+ out_feature_unit_desc->bLength - 1;
+ *i_feature = us[STR_FU_OUT].id;
+ }
+ if (FUIN_EN(audio_opts)) {
+ u8 *i_feature;
+
+ i_feature = (u8 *)in_feature_unit_desc +
+ in_feature_unit_desc->bLength - 1;
+ *i_feature = us[STR_FU_IN].id;
+ }
+
/* Set channel numbers */
usb_out_it_desc.bNrChannels = num_channels(audio_opts->c_chmask);
usb_out_it_desc.wChannelConfig = cpu_to_le16(audio_opts->c_chmask);
as_in_type_i_desc.bSubframeSize = audio_opts->p_ssize;
as_in_type_i_desc.bBitResolution = audio_opts->p_ssize * 8;
+ if (FUOUT_EN(audio_opts)) {
+ __le16 *bma = (__le16 *)&out_feature_unit_desc->bmaControls[0];
+ u32 control = 0;
+
+ if (audio_opts->c_mute_present)
+ control |= UAC_FU_MUTE;
+ if (audio_opts->c_volume_present)
+ control |= UAC_FU_VOLUME;
+ *bma = cpu_to_le16(control);
+ }
+ if (FUIN_EN(audio_opts)) {
+ __le16 *bma = (__le16 *)&in_feature_unit_desc->bmaControls[0];
+ u32 control = 0;
+
+ if (audio_opts->p_mute_present)
+ control |= UAC_FU_MUTE;
+ if (audio_opts->p_volume_present)
+ control |= UAC_FU_VOLUME;
+ *bma = cpu_to_le16(control);
+ }
+
/* Set sample rates */
rate = audio_opts->c_srate;
sam_freq = as_out_type_i_desc.tSamFreq[0];
/* allocate instance-specific interface IDs, and patch descriptors */
status = usb_interface_id(c, f);
if (status < 0)
- goto fail;
+ goto err_free_fu;
ac_interface_desc.bInterfaceNumber = status;
uac1->ac_intf = status;
uac1->ac_alt = 0;
if (EPOUT_EN(audio_opts)) {
status = usb_interface_id(c, f);
if (status < 0)
- goto fail;
+ goto err_free_fu;
as_out_interface_alt_0_desc.bInterfaceNumber = status;
as_out_interface_alt_1_desc.bInterfaceNumber = status;
ac_header_desc->baInterfaceNr[ba_iface_id++] = status;
if (EPIN_EN(audio_opts)) {
status = usb_interface_id(c, f);
if (status < 0)
- goto fail;
+ goto err_free_fu;
as_in_interface_alt_0_desc.bInterfaceNumber = status;
as_in_interface_alt_1_desc.bInterfaceNumber = status;
ac_header_desc->baInterfaceNr[ba_iface_id++] = status;
status = -ENODEV;
+ ac_interface_desc.bNumEndpoints = 0;
+
+ /* allocate AC interrupt endpoint */
+ if (FUOUT_EN(audio_opts) || FUIN_EN(audio_opts)) {
+ ep = usb_ep_autoconfig(cdev->gadget, &ac_int_ep_desc);
+ if (!ep)
+ goto err_free_fu;
+ uac1->int_ep = ep;
+ uac1->int_ep->desc = &ac_int_ep_desc;
+
+ ac_interface_desc.bNumEndpoints = 1;
+ }
+
/* allocate instance-specific endpoints */
if (EPOUT_EN(audio_opts)) {
ep = usb_ep_autoconfig(cdev->gadget, &as_out_ep_desc);
if (!ep)
- goto fail;
+ goto err_free_fu;
audio->out_ep = ep;
audio->out_ep->desc = &as_out_ep_desc;
}
if (EPIN_EN(audio_opts)) {
ep = usb_ep_autoconfig(cdev->gadget, &as_in_ep_desc);
if (!ep)
- goto fail;
+ goto err_free_fu;
audio->in_ep = ep;
audio->in_ep->desc = &as_in_ep_desc;
}
status = usb_assign_descriptors(f, f_audio_desc, f_audio_desc, NULL,
NULL);
if (status)
- goto fail;
+ goto err_free_fu;
audio->out_ep_maxpsize = le16_to_cpu(as_out_ep_desc.wMaxPacketSize);
audio->in_ep_maxpsize = le16_to_cpu(as_in_ep_desc.wMaxPacketSize);
audio->params.c_chmask = audio_opts->c_chmask;
audio->params.c_srate = audio_opts->c_srate;
audio->params.c_ssize = audio_opts->c_ssize;
+ if (FUIN_EN(audio_opts)) {
+ audio->params.p_fu.id = USB_IN_FU_ID;
+ audio->params.p_fu.mute_present = audio_opts->p_mute_present;
+ audio->params.p_fu.volume_present =
+ audio_opts->p_volume_present;
+ audio->params.p_fu.volume_min = audio_opts->p_volume_min;
+ audio->params.p_fu.volume_max = audio_opts->p_volume_max;
+ audio->params.p_fu.volume_res = audio_opts->p_volume_res;
+ }
audio->params.p_chmask = audio_opts->p_chmask;
audio->params.p_srate = audio_opts->p_srate;
audio->params.p_ssize = audio_opts->p_ssize;
+ if (FUOUT_EN(audio_opts)) {
+ audio->params.c_fu.id = USB_OUT_FU_ID;
+ audio->params.c_fu.mute_present = audio_opts->c_mute_present;
+ audio->params.c_fu.volume_present =
+ audio_opts->c_volume_present;
+ audio->params.c_fu.volume_min = audio_opts->c_volume_min;
+ audio->params.c_fu.volume_max = audio_opts->c_volume_max;
+ audio->params.c_fu.volume_res = audio_opts->c_volume_res;
+ }
audio->params.req_number = audio_opts->req_number;
+ if (FUOUT_EN(audio_opts) || FUIN_EN(audio_opts))
+ audio->notify = audio_notify;
status = g_audio_setup(audio, "UAC1_PCM", "UAC1_Gadget");
if (status)
err_card_register:
usb_free_all_descriptors(f);
+err_free_fu:
+ kfree(out_feature_unit_desc);
+ out_feature_unit_desc = NULL;
+ kfree(in_feature_unit_desc);
+ in_feature_unit_desc = NULL;
fail:
kfree(ac_header_desc);
ac_header_desc = NULL;
.release = f_uac1_attr_release,
};
-#define UAC1_ATTRIBUTE(name) \
+#define uac1_kstrtou32 kstrtou32
+#define uac1_kstrtos16 kstrtos16
+#define uac1_kstrtobool(s, base, res) kstrtobool((s), (res))
+
+static const char *u32_fmt = "%u\n";
+static const char *s16_fmt = "%hd\n";
+static const char *bool_fmt = "%u\n";
+
+#define UAC1_ATTRIBUTE(type, name) \
static ssize_t f_uac1_opts_##name##_show( \
struct config_item *item, \
char *page) \
int result; \
\
mutex_lock(&opts->lock); \
- result = sprintf(page, "%u\n", opts->name); \
+ result = sprintf(page, type##_fmt, opts->name); \
mutex_unlock(&opts->lock); \
\
return result; \
{ \
struct f_uac1_opts *opts = to_f_uac1_opts(item); \
int ret; \
- u32 num; \
+ type num; \
\
mutex_lock(&opts->lock); \
if (opts->refcnt) { \
goto end; \
} \
\
- ret = kstrtou32(page, 0, &num); \
+ ret = uac1_kstrto##type(page, 0, &num); \
if (ret) \
goto end; \
\
\
CONFIGFS_ATTR(f_uac1_opts_, name)
-UAC1_ATTRIBUTE(c_chmask);
-UAC1_ATTRIBUTE(c_srate);
-UAC1_ATTRIBUTE(c_ssize);
-UAC1_ATTRIBUTE(p_chmask);
-UAC1_ATTRIBUTE(p_srate);
-UAC1_ATTRIBUTE(p_ssize);
-UAC1_ATTRIBUTE(req_number);
+UAC1_ATTRIBUTE(u32, c_chmask);
+UAC1_ATTRIBUTE(u32, c_srate);
+UAC1_ATTRIBUTE(u32, c_ssize);
+UAC1_ATTRIBUTE(u32, p_chmask);
+UAC1_ATTRIBUTE(u32, p_srate);
+UAC1_ATTRIBUTE(u32, p_ssize);
+UAC1_ATTRIBUTE(u32, req_number);
+
+UAC1_ATTRIBUTE(bool, p_mute_present);
+UAC1_ATTRIBUTE(bool, p_volume_present);
+UAC1_ATTRIBUTE(s16, p_volume_min);
+UAC1_ATTRIBUTE(s16, p_volume_max);
+UAC1_ATTRIBUTE(s16, p_volume_res);
+
+UAC1_ATTRIBUTE(bool, c_mute_present);
+UAC1_ATTRIBUTE(bool, c_volume_present);
+UAC1_ATTRIBUTE(s16, c_volume_min);
+UAC1_ATTRIBUTE(s16, c_volume_max);
+UAC1_ATTRIBUTE(s16, c_volume_res);
static struct configfs_attribute *f_uac1_attrs[] = {
&f_uac1_opts_attr_c_chmask,
&f_uac1_opts_attr_p_srate,
&f_uac1_opts_attr_p_ssize,
&f_uac1_opts_attr_req_number,
+
+ &f_uac1_opts_attr_p_mute_present,
+ &f_uac1_opts_attr_p_volume_present,
+ &f_uac1_opts_attr_p_volume_min,
+ &f_uac1_opts_attr_p_volume_max,
+ &f_uac1_opts_attr_p_volume_res,
+
+ &f_uac1_opts_attr_c_mute_present,
+ &f_uac1_opts_attr_c_volume_present,
+ &f_uac1_opts_attr_c_volume_min,
+ &f_uac1_opts_attr_c_volume_max,
+ &f_uac1_opts_attr_c_volume_res,
+
NULL,
};
opts->p_chmask = UAC1_DEF_PCHMASK;
opts->p_srate = UAC1_DEF_PSRATE;
opts->p_ssize = UAC1_DEF_PSSIZE;
+
+ opts->p_mute_present = UAC1_DEF_MUTE_PRESENT;
+ opts->p_volume_present = UAC1_DEF_VOLUME_PRESENT;
+ opts->p_volume_min = UAC1_DEF_MIN_DB;
+ opts->p_volume_max = UAC1_DEF_MAX_DB;
+ opts->p_volume_res = UAC1_DEF_RES_DB;
+
+ opts->c_mute_present = UAC1_DEF_MUTE_PRESENT;
+ opts->c_volume_present = UAC1_DEF_VOLUME_PRESENT;
+ opts->c_volume_min = UAC1_DEF_MIN_DB;
+ opts->c_volume_max = UAC1_DEF_MAX_DB;
+ opts->c_volume_res = UAC1_DEF_RES_DB;
+
opts->req_number = UAC1_DEF_REQ_NUM;
return &opts->func_inst;
}
g_audio_cleanup(audio);
usb_free_all_descriptors(f);
+ kfree(out_feature_unit_desc);
+ out_feature_unit_desc = NULL;
+ kfree(in_feature_unit_desc);
+ in_feature_unit_desc = NULL;
+
kfree(ac_header_desc);
ac_header_desc = NULL;
* Copyright (C) 2011
* Yadwinder Singh (yadi.brar01@gmail.com)
* Jaswinder Singh (jaswinder.singh@linaro.org)
+ *
+ * Copyright (C) 2020
+ * Ruslan Bilovol (ruslan.bilovol@gmail.com)
*/
#include <linux/usb/audio.h>
/*
* The driver implements a simple UAC_2 topology.
- * USB-OUT -> IT_1 -> OT_3 -> ALSA_Capture
- * ALSA_Playback -> IT_2 -> OT_4 -> USB-IN
+ * USB-OUT -> IT_1 -> FU -> OT_3 -> ALSA_Capture
+ * ALSA_Playback -> IT_2 -> FU -> OT_4 -> USB-IN
* Capture and Playback sampling rates are independently
* controlled by two clock sources :
* CLK_5 := c_srate, and CLK_6 := p_srate
*/
#define USB_OUT_CLK_ID (out_clk_src_desc.bClockID)
#define USB_IN_CLK_ID (in_clk_src_desc.bClockID)
+#define USB_OUT_FU_ID (out_feature_unit_desc->bUnitID)
+#define USB_IN_FU_ID (in_feature_unit_desc->bUnitID)
#define CONTROL_ABSENT 0
#define CONTROL_RDONLY 1
#define CLK_FREQ_CTRL 0
#define CLK_VLD_CTRL 2
+#define FU_MUTE_CTRL 0
+#define FU_VOL_CTRL 2
#define COPY_CTRL 0
#define CONN_CTRL 2
#define EPIN_EN(_opts) ((_opts)->p_chmask != 0)
#define EPOUT_EN(_opts) ((_opts)->c_chmask != 0)
+#define FUIN_EN(_opts) (EPIN_EN(_opts) \
+ && ((_opts)->p_mute_present \
+ || (_opts)->p_volume_present))
+#define FUOUT_EN(_opts) (EPOUT_EN(_opts) \
+ && ((_opts)->c_mute_present \
+ || (_opts)->c_volume_present))
#define EPOUT_FBACK_IN_EN(_opts) ((_opts)->c_sync == USB_ENDPOINT_SYNC_ASYNC)
struct f_uac2 {
struct g_audio g_audio;
u8 ac_intf, as_in_intf, as_out_intf;
u8 ac_alt, as_in_alt, as_out_alt; /* needed for get_alt() */
+
+ struct usb_ctrlrequest setup_cr; /* will be used in data stage */
+
+ /* Interrupt IN endpoint of AC interface */
+ struct usb_ep *int_ep;
+ atomic_t int_count;
};
static inline struct f_uac2 *func_to_uac2(struct usb_function *f)
return container_of(agdev->func.fi, struct f_uac2_opts, func_inst);
}
+static int afunc_notify(struct g_audio *agdev, int unit_id, int cs);
+
/* --------- USB Function Interface ------------- */
enum {
STR_IO_IT,
STR_USB_OT,
STR_IO_OT,
+ STR_FU_IN,
+ STR_FU_OUT,
STR_AS_OUT_ALT0,
STR_AS_OUT_ALT1,
STR_AS_IN_ALT0,
[STR_IO_IT].s = "USBD Out",
[STR_USB_OT].s = "USBH In",
[STR_IO_OT].s = "USBD In",
+ [STR_FU_IN].s = "Capture Volume",
+ [STR_FU_OUT].s = "Playback Volume",
[STR_AS_OUT_ALT0].s = "Playback Inactive",
[STR_AS_OUT_ALT1].s = "Playback Active",
[STR_AS_IN_ALT0].s = "Capture Inactive",
.bDescriptorType = USB_DT_INTERFACE,
.bAlternateSetting = 0,
- .bNumEndpoints = 0,
+ /* .bNumEndpoints = DYNAMIC */
.bInterfaceClass = USB_CLASS_AUDIO,
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
.bInterfaceProtocol = UAC_VERSION_2,
.bmControls = cpu_to_le16(CONTROL_RDWR << COPY_CTRL),
};
+static struct uac2_feature_unit_descriptor *in_feature_unit_desc;
+static struct uac2_feature_unit_descriptor *out_feature_unit_desc;
+
static struct uac2_ac_header_descriptor ac_hdr_desc = {
.bLength = sizeof ac_hdr_desc,
.bDescriptorType = USB_DT_CS_INTERFACE,
.bmControls = 0,
};
+/* AC IN Interrupt Endpoint */
+static struct usb_endpoint_descriptor fs_ep_int_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = cpu_to_le16(6),
+ .bInterval = 1,
+};
+
+static struct usb_endpoint_descriptor hs_ep_int_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = cpu_to_le16(6),
+ .bInterval = 4,
+};
+
+static struct usb_endpoint_descriptor ss_ep_int_desc = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_INT,
+ .wMaxPacketSize = cpu_to_le16(6),
+ .bInterval = 4,
+};
+
/* Audio Streaming OUT Interface - Alt0 */
static struct usb_interface_descriptor std_as_out_if0_desc = {
.bLength = sizeof std_as_out_if0_desc,
(struct usb_descriptor_header *)&in_clk_src_desc,
(struct usb_descriptor_header *)&out_clk_src_desc,
(struct usb_descriptor_header *)&usb_out_it_desc,
+ (struct usb_descriptor_header *)&out_feature_unit_desc,
(struct usb_descriptor_header *)&io_in_it_desc,
(struct usb_descriptor_header *)&usb_in_ot_desc,
+ (struct usb_descriptor_header *)&in_feature_unit_desc,
(struct usb_descriptor_header *)&io_out_ot_desc,
+ (struct usb_descriptor_header *)&fs_ep_int_desc,
+
(struct usb_descriptor_header *)&std_as_out_if0_desc,
(struct usb_descriptor_header *)&std_as_out_if1_desc,
(struct usb_descriptor_header *)&in_clk_src_desc,
(struct usb_descriptor_header *)&out_clk_src_desc,
(struct usb_descriptor_header *)&usb_out_it_desc,
+ (struct usb_descriptor_header *)&out_feature_unit_desc,
(struct usb_descriptor_header *)&io_in_it_desc,
(struct usb_descriptor_header *)&usb_in_ot_desc,
+ (struct usb_descriptor_header *)&in_feature_unit_desc,
(struct usb_descriptor_header *)&io_out_ot_desc,
+ (struct usb_descriptor_header *)&hs_ep_int_desc,
+
(struct usb_descriptor_header *)&std_as_out_if0_desc,
(struct usb_descriptor_header *)&std_as_out_if1_desc,
(struct usb_descriptor_header *)&in_clk_src_desc,
(struct usb_descriptor_header *)&out_clk_src_desc,
(struct usb_descriptor_header *)&usb_out_it_desc,
+ (struct usb_descriptor_header *)&out_feature_unit_desc,
(struct usb_descriptor_header *)&io_in_it_desc,
(struct usb_descriptor_header *)&usb_in_ot_desc,
+ (struct usb_descriptor_header *)&in_feature_unit_desc,
(struct usb_descriptor_header *)&io_out_ot_desc,
+ (struct usb_descriptor_header *)&ss_ep_int_desc,
+
(struct usb_descriptor_header *)&std_as_out_if0_desc,
(struct usb_descriptor_header *)&std_as_out_if1_desc,
NULL,
};
+struct cntrl_cur_lay2 {
+ __le16 wCUR;
+};
+
+struct cntrl_range_lay2 {
+ __le16 wNumSubRanges;
+ __le16 wMIN;
+ __le16 wMAX;
+ __le16 wRES;
+} __packed;
+
struct cntrl_cur_lay3 {
__le32 dCUR;
};
return 0;
}
+static struct uac2_feature_unit_descriptor *build_fu_desc(int chmask)
+{
+ struct uac2_feature_unit_descriptor *fu_desc;
+ int channels = num_channels(chmask);
+ int fu_desc_size = UAC2_DT_FEATURE_UNIT_SIZE(channels);
+
+ fu_desc = kzalloc(fu_desc_size, GFP_KERNEL);
+ if (!fu_desc)
+ return NULL;
+
+ fu_desc->bLength = fu_desc_size;
+ fu_desc->bDescriptorType = USB_DT_CS_INTERFACE;
+
+ fu_desc->bDescriptorSubtype = UAC_FEATURE_UNIT;
+
+ /* bUnitID, bSourceID and bmaControls will be defined later */
+
+ return fu_desc;
+}
+
/* Use macro to overcome line length limitation */
#define USBDHDR(p) (struct usb_descriptor_header *)(p)
struct usb_endpoint_descriptor *epout_desc;
struct usb_endpoint_descriptor *epin_desc;
struct usb_endpoint_descriptor *epin_fback_desc;
+ struct usb_endpoint_descriptor *ep_int_desc;
int i;
switch (speed) {
epout_desc = &fs_epout_desc;
epin_desc = &fs_epin_desc;
epin_fback_desc = &fs_epin_fback_desc;
+ ep_int_desc = &fs_ep_int_desc;
break;
case USB_SPEED_HIGH:
epout_desc = &hs_epout_desc;
epin_desc = &hs_epin_desc;
epin_fback_desc = &hs_epin_fback_desc;
+ ep_int_desc = &hs_ep_int_desc;
break;
default:
epout_desc = &ss_epout_desc;
epout_desc_comp = &ss_epout_desc_comp;
epin_desc_comp = &ss_epin_desc_comp;
epin_fback_desc = &ss_epin_fback_desc;
+ ep_int_desc = &ss_ep_int_desc;
}
i = 0;
if (EPOUT_EN(opts)) {
headers[i++] = USBDHDR(&out_clk_src_desc);
headers[i++] = USBDHDR(&usb_out_it_desc);
- }
+
+ if (FUOUT_EN(opts))
+ headers[i++] = USBDHDR(out_feature_unit_desc);
+ }
+
if (EPIN_EN(opts)) {
headers[i++] = USBDHDR(&io_in_it_desc);
+
+ if (FUIN_EN(opts))
+ headers[i++] = USBDHDR(in_feature_unit_desc);
+
headers[i++] = USBDHDR(&usb_in_ot_desc);
}
- if (EPOUT_EN(opts)) {
+
+ if (EPOUT_EN(opts))
headers[i++] = USBDHDR(&io_out_ot_desc);
+
+ if (FUOUT_EN(opts) || FUIN_EN(opts))
+ headers[i++] = USBDHDR(ep_int_desc);
+
+ if (EPOUT_EN(opts)) {
headers[i++] = USBDHDR(&std_as_out_if0_desc);
headers[i++] = USBDHDR(&std_as_out_if1_desc);
headers[i++] = USBDHDR(&as_out_hdr_desc);
if (EPOUT_FBACK_IN_EN(opts))
headers[i++] = USBDHDR(epin_fback_desc);
}
+
if (EPIN_EN(opts)) {
headers[i++] = USBDHDR(&std_as_in_if0_desc);
headers[i++] = USBDHDR(&std_as_in_if1_desc);
io_out_ot_desc.bTerminalID = i++;
if (EPIN_EN(opts))
usb_in_ot_desc.bTerminalID = i++;
+ if (FUOUT_EN(opts))
+ out_feature_unit_desc->bUnitID = i++;
+ if (FUIN_EN(opts))
+ in_feature_unit_desc->bUnitID = i++;
if (EPOUT_EN(opts))
out_clk_src_desc.bClockID = i++;
if (EPIN_EN(opts))
in_clk_src_desc.bClockID = i++;
usb_out_it_desc.bCSourceID = out_clk_src_desc.bClockID;
- usb_in_ot_desc.bSourceID = io_in_it_desc.bTerminalID;
+
+ if (FUIN_EN(opts)) {
+ usb_in_ot_desc.bSourceID = in_feature_unit_desc->bUnitID;
+ in_feature_unit_desc->bSourceID = io_in_it_desc.bTerminalID;
+ } else {
+ usb_in_ot_desc.bSourceID = io_in_it_desc.bTerminalID;
+ }
+
usb_in_ot_desc.bCSourceID = in_clk_src_desc.bClockID;
io_in_it_desc.bCSourceID = in_clk_src_desc.bClockID;
io_out_ot_desc.bCSourceID = out_clk_src_desc.bClockID;
- io_out_ot_desc.bSourceID = usb_out_it_desc.bTerminalID;
+
+ if (FUOUT_EN(opts)) {
+ io_out_ot_desc.bSourceID = out_feature_unit_desc->bUnitID;
+ out_feature_unit_desc->bSourceID = usb_out_it_desc.bTerminalID;
+ } else {
+ io_out_ot_desc.bSourceID = usb_out_it_desc.bTerminalID;
+ }
+
as_out_hdr_desc.bTerminalLink = usb_out_it_desc.bTerminalID;
as_in_hdr_desc.bTerminalLink = usb_in_ot_desc.bTerminalID;
len += sizeof(in_clk_src_desc);
len += sizeof(usb_in_ot_desc);
+
+ if (FUIN_EN(opts))
+ len += in_feature_unit_desc->bLength;
+
len += sizeof(io_in_it_desc);
ac_hdr_desc.wTotalLength = cpu_to_le16(len);
iad_desc.bInterfaceCount++;
len += sizeof(out_clk_src_desc);
len += sizeof(usb_out_it_desc);
+
+ if (FUOUT_EN(opts))
+ len += out_feature_unit_desc->bLength;
+
len += sizeof(io_out_ot_desc);
ac_hdr_desc.wTotalLength = cpu_to_le16(len);
iad_desc.bInterfaceCount++;
return -EINVAL;
}
+ if (opts->p_volume_max <= opts->p_volume_min) {
+ dev_err(dev, "Error: incorrect playback volume max/min\n");
+ return -EINVAL;
+ } else if (opts->c_volume_max <= opts->c_volume_min) {
+ dev_err(dev, "Error: incorrect capture volume max/min\n");
+ return -EINVAL;
+ } else if (opts->p_volume_res <= 0) {
+ dev_err(dev, "Error: negative/zero playback volume resolution\n");
+ return -EINVAL;
+ } else if (opts->c_volume_res <= 0) {
+ dev_err(dev, "Error: negative/zero capture volume resolution\n");
+ return -EINVAL;
+ }
+
+ if ((opts->p_volume_max - opts->p_volume_min) % opts->p_volume_res) {
+ dev_err(dev, "Error: incorrect playback volume resolution\n");
+ return -EINVAL;
+ } else if ((opts->c_volume_max - opts->c_volume_min) % opts->c_volume_res) {
+ dev_err(dev, "Error: incorrect capture volume resolution\n");
+ return -EINVAL;
+ }
+
return 0;
}
us = usb_gstrings_attach(cdev, fn_strings, ARRAY_SIZE(strings_fn));
if (IS_ERR(us))
return PTR_ERR(us);
+
+ if (FUOUT_EN(uac2_opts)) {
+ out_feature_unit_desc = build_fu_desc(uac2_opts->c_chmask);
+ if (!out_feature_unit_desc)
+ return -ENOMEM;
+ }
+ if (FUIN_EN(uac2_opts)) {
+ in_feature_unit_desc = build_fu_desc(uac2_opts->p_chmask);
+ if (!in_feature_unit_desc) {
+ ret = -ENOMEM;
+ goto err_free_fu;
+ }
+ }
+
iad_desc.iFunction = us[STR_ASSOC].id;
std_ac_if_desc.iInterface = us[STR_IF_CTRL].id;
in_clk_src_desc.iClockSource = us[STR_CLKSRC_IN].id;
std_as_in_if0_desc.iInterface = us[STR_AS_IN_ALT0].id;
std_as_in_if1_desc.iInterface = us[STR_AS_IN_ALT1].id;
+ if (FUOUT_EN(uac2_opts)) {
+ u8 *i_feature = (u8 *)out_feature_unit_desc +
+ out_feature_unit_desc->bLength - 1;
+ *i_feature = us[STR_FU_OUT].id;
+ }
+ if (FUIN_EN(uac2_opts)) {
+ u8 *i_feature = (u8 *)in_feature_unit_desc +
+ in_feature_unit_desc->bLength - 1;
+ *i_feature = us[STR_FU_IN].id;
+ }
+
/* Initialize the configurable parameters */
usb_out_it_desc.bNrChannels = num_channels(uac2_opts->c_chmask);
as_out_fmt1_desc.bBitResolution = uac2_opts->c_ssize * 8;
as_in_fmt1_desc.bSubslotSize = uac2_opts->p_ssize;
as_in_fmt1_desc.bBitResolution = uac2_opts->p_ssize * 8;
+ if (FUOUT_EN(uac2_opts)) {
+ __le32 *bma = (__le32 *)&out_feature_unit_desc->bmaControls[0];
+ u32 control = 0;
+
+ if (uac2_opts->c_mute_present)
+ control |= CONTROL_RDWR << FU_MUTE_CTRL;
+ if (uac2_opts->c_volume_present)
+ control |= CONTROL_RDWR << FU_VOL_CTRL;
+ *bma = cpu_to_le32(control);
+ }
+ if (FUIN_EN(uac2_opts)) {
+ __le32 *bma = (__le32 *)&in_feature_unit_desc->bmaControls[0];
+ u32 control = 0;
+
+ if (uac2_opts->p_mute_present)
+ control |= CONTROL_RDWR << FU_MUTE_CTRL;
+ if (uac2_opts->p_volume_present)
+ control |= CONTROL_RDWR << FU_VOL_CTRL;
+ *bma = cpu_to_le32(control);
+ }
snprintf(clksrc_in, sizeof(clksrc_in), "%uHz", uac2_opts->p_srate);
snprintf(clksrc_out, sizeof(clksrc_out), "%uHz", uac2_opts->c_srate);
ret = usb_interface_id(cfg, fn);
if (ret < 0) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- return ret;
+ goto err_free_fu;
}
iad_desc.bFirstInterface = ret;
ret = usb_interface_id(cfg, fn);
if (ret < 0) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- return ret;
+ goto err_free_fu;
}
std_as_out_if0_desc.bInterfaceNumber = ret;
std_as_out_if1_desc.bInterfaceNumber = ret;
ret = usb_interface_id(cfg, fn);
if (ret < 0) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- return ret;
+ goto err_free_fu;
}
std_as_in_if0_desc.bInterfaceNumber = ret;
std_as_in_if1_desc.bInterfaceNumber = ret;
uac2->as_in_alt = 0;
}
+ if (FUOUT_EN(uac2_opts) || FUIN_EN(uac2_opts)) {
+ uac2->int_ep = usb_ep_autoconfig(gadget, &fs_ep_int_desc);
+ if (!uac2->int_ep) {
+ dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
+ ret = -ENODEV;
+ goto err_free_fu;
+ }
+
+ std_ac_if_desc.bNumEndpoints = 1;
+ }
+
/* Calculate wMaxPacketSize according to audio bandwidth */
ret = set_ep_max_packet_size(uac2_opts, &fs_epin_desc, USB_SPEED_FULL,
true);
agdev->out_ep = usb_ep_autoconfig(gadget, &fs_epout_desc);
if (!agdev->out_ep) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_free_fu;
}
if (EPOUT_FBACK_IN_EN(uac2_opts)) {
agdev->in_ep_fback = usb_ep_autoconfig(gadget,
if (!agdev->in_ep_fback) {
dev_err(dev, "%s:%d Error!\n",
__func__, __LINE__);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_free_fu;
}
}
}
agdev->in_ep = usb_ep_autoconfig(gadget, &fs_epin_desc);
if (!agdev->in_ep) {
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_free_fu;
}
}
agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize,
le16_to_cpu(ss_epout_desc.wMaxPacketSize));
+ // HS and SS endpoint addresses are copied from autoconfigured FS descriptors
+ hs_ep_int_desc.bEndpointAddress = fs_ep_int_desc.bEndpointAddress;
hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
hs_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
ss_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress;
ss_epin_fback_desc.bEndpointAddress = fs_epin_fback_desc.bEndpointAddress;
ss_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
+ ss_ep_int_desc.bEndpointAddress = fs_ep_int_desc.bEndpointAddress;
setup_descriptor(uac2_opts);
ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, ss_audio_desc,
ss_audio_desc);
if (ret)
- return ret;
+ goto err_free_fu;
agdev->gadget = gadget;
agdev->params.p_chmask = uac2_opts->p_chmask;
agdev->params.p_srate = uac2_opts->p_srate;
agdev->params.p_ssize = uac2_opts->p_ssize;
+ if (FUIN_EN(uac2_opts)) {
+ agdev->params.p_fu.id = USB_IN_FU_ID;
+ agdev->params.p_fu.mute_present = uac2_opts->p_mute_present;
+ agdev->params.p_fu.volume_present = uac2_opts->p_volume_present;
+ agdev->params.p_fu.volume_min = uac2_opts->p_volume_min;
+ agdev->params.p_fu.volume_max = uac2_opts->p_volume_max;
+ agdev->params.p_fu.volume_res = uac2_opts->p_volume_res;
+ }
agdev->params.c_chmask = uac2_opts->c_chmask;
agdev->params.c_srate = uac2_opts->c_srate;
agdev->params.c_ssize = uac2_opts->c_ssize;
+ if (FUOUT_EN(uac2_opts)) {
+ agdev->params.c_fu.id = USB_OUT_FU_ID;
+ agdev->params.c_fu.mute_present = uac2_opts->c_mute_present;
+ agdev->params.c_fu.volume_present = uac2_opts->c_volume_present;
+ agdev->params.c_fu.volume_min = uac2_opts->c_volume_min;
+ agdev->params.c_fu.volume_max = uac2_opts->c_volume_max;
+ agdev->params.c_fu.volume_res = uac2_opts->c_volume_res;
+ }
agdev->params.req_number = uac2_opts->req_number;
agdev->params.fb_max = uac2_opts->fb_max;
+
+ if (FUOUT_EN(uac2_opts) || FUIN_EN(uac2_opts))
+ agdev->notify = afunc_notify;
+
ret = g_audio_setup(agdev, "UAC2 PCM", "UAC2_Gadget");
if (ret)
goto err_free_descs;
+
return 0;
err_free_descs:
usb_free_all_descriptors(fn);
agdev->gadget = NULL;
+err_free_fu:
+ kfree(out_feature_unit_desc);
+ out_feature_unit_desc = NULL;
+ kfree(in_feature_unit_desc);
+ in_feature_unit_desc = NULL;
+ return ret;
+}
+
+static void
+afunc_notify_complete(struct usb_ep *_ep, struct usb_request *req)
+{
+ struct g_audio *agdev = req->context;
+ struct f_uac2 *uac2 = func_to_uac2(&agdev->func);
+
+ atomic_dec(&uac2->int_count);
+ kfree(req->buf);
+ usb_ep_free_request(_ep, req);
+}
+
+static int
+afunc_notify(struct g_audio *agdev, int unit_id, int cs)
+{
+ struct f_uac2 *uac2 = func_to_uac2(&agdev->func);
+ struct usb_request *req;
+ struct uac2_interrupt_data_msg *msg;
+ u16 w_index, w_value;
+ int ret;
+
+ if (!uac2->int_ep->enabled)
+ return 0;
+
+ if (atomic_inc_return(&uac2->int_count) > UAC2_DEF_INT_REQ_NUM) {
+ atomic_dec(&uac2->int_count);
+ return 0;
+ }
+
+ req = usb_ep_alloc_request(uac2->int_ep, GFP_ATOMIC);
+ if (req == NULL) {
+ ret = -ENOMEM;
+ goto err_dec_int_count;
+ }
+
+ msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
+ if (msg == NULL) {
+ ret = -ENOMEM;
+ goto err_free_request;
+ }
+
+ w_index = unit_id << 8 | uac2->ac_intf;
+ w_value = cs << 8;
+
+ msg->bInfo = 0; /* Non-vendor, interface interrupt */
+ msg->bAttribute = UAC2_CS_CUR;
+ msg->wIndex = cpu_to_le16(w_index);
+ msg->wValue = cpu_to_le16(w_value);
+
+ req->length = sizeof(*msg);
+ req->buf = msg;
+ req->context = agdev;
+ req->complete = afunc_notify_complete;
+
+ ret = usb_ep_queue(uac2->int_ep, req, GFP_ATOMIC);
+
+ if (ret)
+ goto err_free_msg;
+
+ return 0;
+
+err_free_msg:
+ kfree(msg);
+err_free_request:
+ usb_ep_free_request(uac2->int_ep, req);
+err_dec_int_count:
+ atomic_dec(&uac2->int_count);
+
return ret;
}
{
struct usb_composite_dev *cdev = fn->config->cdev;
struct f_uac2 *uac2 = func_to_uac2(fn);
+ struct g_audio *agdev = func_to_g_audio(fn);
struct usb_gadget *gadget = cdev->gadget;
struct device *dev = &gadget->dev;
int ret = 0;
dev_err(dev, "%s:%d Error!\n", __func__, __LINE__);
return -EINVAL;
}
+
+ /* restart interrupt endpoint */
+ if (uac2->int_ep) {
+ usb_ep_disable(uac2->int_ep);
+ config_ep_by_speed(gadget, &agdev->func, uac2->int_ep);
+ usb_ep_enable(uac2->int_ep);
+ }
+
return 0;
}
uac2->as_out_alt = 0;
u_audio_stop_capture(&uac2->g_audio);
u_audio_stop_playback(&uac2->g_audio);
+ if (uac2->int_ep)
+ usb_ep_disable(uac2->int_ep);
}
static int
{
struct usb_request *req = fn->config->cdev->req;
struct g_audio *agdev = func_to_g_audio(fn);
- struct f_uac2_opts *opts;
+ struct f_uac2_opts *opts = g_audio_to_uac2_opts(agdev);
u16 w_length = le16_to_cpu(cr->wLength);
u16 w_index = le16_to_cpu(cr->wIndex);
u16 w_value = le16_to_cpu(cr->wValue);
int value = -EOPNOTSUPP;
int p_srate, c_srate;
- opts = g_audio_to_uac2_opts(agdev);
p_srate = opts->p_srate;
c_srate = opts->c_srate;
- if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
- struct cntrl_cur_lay3 c;
- memset(&c, 0, sizeof(struct cntrl_cur_lay3));
+ if ((entity_id == USB_IN_CLK_ID) || (entity_id == USB_OUT_CLK_ID)) {
+ if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
+ struct cntrl_cur_lay3 c;
+
+ memset(&c, 0, sizeof(struct cntrl_cur_lay3));
+
+ if (entity_id == USB_IN_CLK_ID)
+ c.dCUR = cpu_to_le32(p_srate);
+ else if (entity_id == USB_OUT_CLK_ID)
+ c.dCUR = cpu_to_le32(c_srate);
+
+ value = min_t(unsigned int, w_length, sizeof(c));
+ memcpy(req->buf, &c, value);
+ } else if (control_selector == UAC2_CS_CONTROL_CLOCK_VALID) {
+ *(u8 *)req->buf = 1;
+ value = min_t(unsigned int, w_length, 1);
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
- if (entity_id == USB_IN_CLK_ID)
- c.dCUR = cpu_to_le32(p_srate);
- else if (entity_id == USB_OUT_CLK_ID)
- c.dCUR = cpu_to_le32(c_srate);
+ if (control_selector == UAC_FU_MUTE) {
+ unsigned int mute;
- value = min_t(unsigned, w_length, sizeof c);
- memcpy(req->buf, &c, value);
- } else if (control_selector == UAC2_CS_CONTROL_CLOCK_VALID) {
- *(u8 *)req->buf = 1;
- value = min_t(unsigned, w_length, 1);
+ u_audio_get_mute(agdev, is_playback, &mute);
+
+ *(u8 *)req->buf = mute;
+ value = min_t(unsigned int, w_length, 1);
+ } else if (control_selector == UAC_FU_VOLUME) {
+ struct cntrl_cur_lay2 c;
+ s16 volume;
+
+ memset(&c, 0, sizeof(struct cntrl_cur_lay2));
+
+ u_audio_get_volume(agdev, is_playback, &volume);
+ c.wCUR = cpu_to_le16(volume);
+
+ value = min_t(unsigned int, w_length, sizeof(c));
+ memcpy(req->buf, &c, value);
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
} else {
dev_err(&agdev->gadget->dev,
- "%s:%d control_selector=%d TODO!\n",
- __func__, __LINE__, control_selector);
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
}
return value;
{
struct usb_request *req = fn->config->cdev->req;
struct g_audio *agdev = func_to_g_audio(fn);
- struct f_uac2_opts *opts;
+ struct f_uac2_opts *opts = g_audio_to_uac2_opts(agdev);
u16 w_length = le16_to_cpu(cr->wLength);
u16 w_index = le16_to_cpu(cr->wIndex);
u16 w_value = le16_to_cpu(cr->wValue);
u8 entity_id = (w_index >> 8) & 0xff;
u8 control_selector = w_value >> 8;
- struct cntrl_range_lay3 r;
int value = -EOPNOTSUPP;
int p_srate, c_srate;
- opts = g_audio_to_uac2_opts(agdev);
p_srate = opts->p_srate;
c_srate = opts->c_srate;
- if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
- if (entity_id == USB_IN_CLK_ID)
- r.dMIN = cpu_to_le32(p_srate);
- else if (entity_id == USB_OUT_CLK_ID)
- r.dMIN = cpu_to_le32(c_srate);
- else
- return -EOPNOTSUPP;
+ if ((entity_id == USB_IN_CLK_ID) || (entity_id == USB_OUT_CLK_ID)) {
+ if (control_selector == UAC2_CS_CONTROL_SAM_FREQ) {
+ struct cntrl_range_lay3 r;
+
+ if (entity_id == USB_IN_CLK_ID)
+ r.dMIN = cpu_to_le32(p_srate);
+ else if (entity_id == USB_OUT_CLK_ID)
+ r.dMIN = cpu_to_le32(c_srate);
+ else
+ return -EOPNOTSUPP;
- r.dMAX = r.dMIN;
- r.dRES = 0;
- r.wNumSubRanges = cpu_to_le16(1);
+ r.dMAX = r.dMIN;
+ r.dRES = 0;
+ r.wNumSubRanges = cpu_to_le16(1);
- value = min_t(unsigned, w_length, sizeof r);
- memcpy(req->buf, &r, value);
+ value = min_t(unsigned int, w_length, sizeof(r));
+ memcpy(req->buf, &r, value);
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
+ } else if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_VOLUME) {
+ struct cntrl_range_lay2 r;
+ s16 max_db, min_db, res_db;
+
+ if (is_playback) {
+ max_db = opts->p_volume_max;
+ min_db = opts->p_volume_min;
+ res_db = opts->p_volume_res;
+ } else {
+ max_db = opts->c_volume_max;
+ min_db = opts->c_volume_min;
+ res_db = opts->c_volume_res;
+ }
+
+ r.wMAX = cpu_to_le16(max_db);
+ r.wMIN = cpu_to_le16(min_db);
+ r.wRES = cpu_to_le16(res_db);
+ r.wNumSubRanges = cpu_to_le16(1);
+
+ value = min_t(unsigned int, w_length, sizeof(r));
+ memcpy(req->buf, &r, value);
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ }
} else {
dev_err(&agdev->gadget->dev,
- "%s:%d control_selector=%d TODO!\n",
- __func__, __LINE__, control_selector);
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
}
return value;
return -EOPNOTSUPP;
}
+static void
+out_rq_cur_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ struct g_audio *agdev = req->context;
+ struct usb_composite_dev *cdev = agdev->func.config->cdev;
+ struct f_uac2_opts *opts = g_audio_to_uac2_opts(agdev);
+ struct f_uac2 *uac2 = func_to_uac2(&agdev->func);
+ struct usb_ctrlrequest *cr = &uac2->setup_cr;
+ u16 w_index = le16_to_cpu(cr->wIndex);
+ u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
+ u8 control_selector = w_value >> 8;
+
+ if (req->status != 0) {
+ dev_dbg(&cdev->gadget->dev, "completion err %d\n", req->status);
+ return;
+ }
+
+ if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ unsigned int is_playback = 0;
+
+ if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID))
+ is_playback = 1;
+
+ if (control_selector == UAC_FU_MUTE) {
+ u8 mute = *(u8 *)req->buf;
+
+ u_audio_set_mute(agdev, is_playback, mute);
+
+ return;
+ } else if (control_selector == UAC_FU_VOLUME) {
+ struct cntrl_cur_lay2 *c = req->buf;
+ s16 volume;
+
+ volume = le16_to_cpu(c->wCUR);
+ u_audio_set_volume(agdev, is_playback, volume);
+
+ return;
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d control_selector=%d TODO!\n",
+ __func__, __LINE__, control_selector);
+ usb_ep_set_halt(ep);
+ }
+ }
+}
+
static int
out_rq_cur(struct usb_function *fn, const struct usb_ctrlrequest *cr)
{
+ struct usb_request *req = fn->config->cdev->req;
+ struct g_audio *agdev = func_to_g_audio(fn);
+ struct f_uac2_opts *opts = g_audio_to_uac2_opts(agdev);
+ struct f_uac2 *uac2 = func_to_uac2(fn);
u16 w_length = le16_to_cpu(cr->wLength);
+ u16 w_index = le16_to_cpu(cr->wIndex);
u16 w_value = le16_to_cpu(cr->wValue);
+ u8 entity_id = (w_index >> 8) & 0xff;
u8 control_selector = w_value >> 8;
- if (control_selector == UAC2_CS_CONTROL_SAM_FREQ)
- return w_length;
+ if ((entity_id == USB_IN_CLK_ID) || (entity_id == USB_OUT_CLK_ID)) {
+ if (control_selector == UAC2_CS_CONTROL_SAM_FREQ)
+ return w_length;
+ } else if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) ||
+ (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) {
+ memcpy(&uac2->setup_cr, cr, sizeof(*cr));
+ req->context = agdev;
+ req->complete = out_rq_cur_complete;
+ return w_length;
+ } else {
+ dev_err(&agdev->gadget->dev,
+ "%s:%d entity_id=%d control_selector=%d TODO!\n",
+ __func__, __LINE__, entity_id, control_selector);
+ }
return -EOPNOTSUPP;
}
.release = f_uac2_attr_release,
};
-#define UAC2_ATTRIBUTE(name) \
+#define uac2_kstrtou32 kstrtou32
+#define uac2_kstrtos16 kstrtos16
+#define uac2_kstrtobool(s, base, res) kstrtobool((s), (res))
+
+static const char *u32_fmt = "%u\n";
+static const char *s16_fmt = "%hd\n";
+static const char *bool_fmt = "%u\n";
+
+#define UAC2_ATTRIBUTE(type, name) \
static ssize_t f_uac2_opts_##name##_show(struct config_item *item, \
char *page) \
{ \
int result; \
\
mutex_lock(&opts->lock); \
- result = sprintf(page, "%u\n", opts->name); \
+ result = sprintf(page, type##_fmt, opts->name); \
mutex_unlock(&opts->lock); \
\
return result; \
{ \
struct f_uac2_opts *opts = to_f_uac2_opts(item); \
int ret; \
- u32 num; \
+ type num; \
\
mutex_lock(&opts->lock); \
if (opts->refcnt) { \
goto end; \
} \
\
- ret = kstrtou32(page, 0, &num); \
+ ret = uac2_kstrto##type(page, 0, &num); \
if (ret) \
goto end; \
\
\
CONFIGFS_ATTR(f_uac2_opts_, name)
-UAC2_ATTRIBUTE(p_chmask);
-UAC2_ATTRIBUTE(p_srate);
-UAC2_ATTRIBUTE(p_ssize);
-UAC2_ATTRIBUTE(c_chmask);
-UAC2_ATTRIBUTE(c_srate);
+UAC2_ATTRIBUTE(u32, p_chmask);
+UAC2_ATTRIBUTE(u32, p_srate);
+UAC2_ATTRIBUTE(u32, p_ssize);
+UAC2_ATTRIBUTE(u32, c_chmask);
+UAC2_ATTRIBUTE(u32, c_srate);
UAC2_ATTRIBUTE_SYNC(c_sync);
-UAC2_ATTRIBUTE(c_ssize);
-UAC2_ATTRIBUTE(req_number);
-UAC2_ATTRIBUTE(fb_max);
+UAC2_ATTRIBUTE(u32, c_ssize);
+UAC2_ATTRIBUTE(u32, req_number);
+
+UAC2_ATTRIBUTE(bool, p_mute_present);
+UAC2_ATTRIBUTE(bool, p_volume_present);
+UAC2_ATTRIBUTE(s16, p_volume_min);
+UAC2_ATTRIBUTE(s16, p_volume_max);
+UAC2_ATTRIBUTE(s16, p_volume_res);
+
+UAC2_ATTRIBUTE(bool, c_mute_present);
+UAC2_ATTRIBUTE(bool, c_volume_present);
+UAC2_ATTRIBUTE(s16, c_volume_min);
+UAC2_ATTRIBUTE(s16, c_volume_max);
+UAC2_ATTRIBUTE(s16, c_volume_res);
+UAC2_ATTRIBUTE(u32, fb_max);
static struct configfs_attribute *f_uac2_attrs[] = {
&f_uac2_opts_attr_p_chmask,
&f_uac2_opts_attr_c_sync,
&f_uac2_opts_attr_req_number,
&f_uac2_opts_attr_fb_max,
+
+ &f_uac2_opts_attr_p_mute_present,
+ &f_uac2_opts_attr_p_volume_present,
+ &f_uac2_opts_attr_p_volume_min,
+ &f_uac2_opts_attr_p_volume_max,
+ &f_uac2_opts_attr_p_volume_res,
+
+ &f_uac2_opts_attr_c_mute_present,
+ &f_uac2_opts_attr_c_volume_present,
+ &f_uac2_opts_attr_c_volume_min,
+ &f_uac2_opts_attr_c_volume_max,
+ &f_uac2_opts_attr_c_volume_res,
+
NULL,
};
opts->c_srate = UAC2_DEF_CSRATE;
opts->c_ssize = UAC2_DEF_CSSIZE;
opts->c_sync = UAC2_DEF_CSYNC;
+
+ opts->p_mute_present = UAC2_DEF_MUTE_PRESENT;
+ opts->p_volume_present = UAC2_DEF_VOLUME_PRESENT;
+ opts->p_volume_min = UAC2_DEF_MIN_DB;
+ opts->p_volume_max = UAC2_DEF_MAX_DB;
+ opts->p_volume_res = UAC2_DEF_RES_DB;
+
+ opts->c_mute_present = UAC2_DEF_MUTE_PRESENT;
+ opts->c_volume_present = UAC2_DEF_VOLUME_PRESENT;
+ opts->c_volume_min = UAC2_DEF_MIN_DB;
+ opts->c_volume_max = UAC2_DEF_MAX_DB;
+ opts->c_volume_res = UAC2_DEF_RES_DB;
+
opts->req_number = UAC2_DEF_REQ_NUM;
opts->fb_max = UAC2_DEF_FB_MAX;
return &opts->func_inst;
usb_free_all_descriptors(f);
agdev->gadget = NULL;
+
+ kfree(out_feature_unit_desc);
+ out_feature_unit_desc = NULL;
+ kfree(in_feature_unit_desc);
+ in_feature_unit_desc = NULL;
}
static struct usb_function *afunc_alloc(struct usb_function_instance *fi)
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yadwinder Singh");
MODULE_AUTHOR("Jaswinder Singh");
+MODULE_AUTHOR("Ruslan Bilovol");
/* TODO reference counting. */
uvc->vdev.v4l2_dev = &uvc->v4l2_dev;
+ uvc->vdev.v4l2_dev->dev = &cdev->gadget->dev;
uvc->vdev.fops = &uvc_v4l2_fops;
uvc->vdev.ioctl_ops = &uvc_v4l2_ioctl_ops;
uvc->vdev.release = video_device_release_empty;
* Jaswinder Singh (jaswinder.singh@linaro.org)
*/
+#include <linux/kernel.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
+#include <sound/tlv.h>
+#include <linux/usb/audio.h>
#include "u_audio.h"
#define PRD_SIZE_MAX PAGE_SIZE
#define MIN_PERIODS 4
+enum {
+ UAC_FBACK_CTRL,
+ UAC_MUTE_CTRL,
+ UAC_VOLUME_CTRL,
+};
+
/* Runtime data params for one stream */
struct uac_rtd_params {
struct snd_uac_chip *uac; /* parent chip */
struct usb_request *req_fback; /* Feedback endpoint request */
bool fb_ep_enabled; /* if the ep is enabled */
+
+ /* Volume/Mute controls and their state */
+ int fu_id; /* Feature Unit ID */
+ struct snd_kcontrol *snd_kctl_volume;
+ struct snd_kcontrol *snd_kctl_mute;
+ s16 volume_min, volume_max, volume_res;
+ s16 volume;
+ int mute;
+
+ spinlock_t lock; /* lock for control transfers */
+
};
struct snd_uac_chip {
}
EXPORT_SYMBOL_GPL(u_audio_stop_playback);
+int u_audio_get_volume(struct g_audio *audio_dev, int playback, s16 *val)
+{
+ struct snd_uac_chip *uac = audio_dev->uac;
+ struct uac_rtd_params *prm;
+ unsigned long flags;
+
+ if (playback)
+ prm = &uac->p_prm;
+ else
+ prm = &uac->c_prm;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ *val = prm->volume;
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(u_audio_get_volume);
+
+int u_audio_set_volume(struct g_audio *audio_dev, int playback, s16 val)
+{
+ struct snd_uac_chip *uac = audio_dev->uac;
+ struct uac_rtd_params *prm;
+ unsigned long flags;
+ int change = 0;
+
+ if (playback)
+ prm = &uac->p_prm;
+ else
+ prm = &uac->c_prm;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ val = clamp(val, prm->volume_min, prm->volume_max);
+ if (prm->volume != val) {
+ prm->volume = val;
+ change = 1;
+ }
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ if (change)
+ snd_ctl_notify(uac->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &prm->snd_kctl_volume->id);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(u_audio_set_volume);
+
+int u_audio_get_mute(struct g_audio *audio_dev, int playback, int *val)
+{
+ struct snd_uac_chip *uac = audio_dev->uac;
+ struct uac_rtd_params *prm;
+ unsigned long flags;
+
+ if (playback)
+ prm = &uac->p_prm;
+ else
+ prm = &uac->c_prm;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ *val = prm->mute;
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(u_audio_get_mute);
+
+int u_audio_set_mute(struct g_audio *audio_dev, int playback, int val)
+{
+ struct snd_uac_chip *uac = audio_dev->uac;
+ struct uac_rtd_params *prm;
+ unsigned long flags;
+ int change = 0;
+ int mute;
+
+ if (playback)
+ prm = &uac->p_prm;
+ else
+ prm = &uac->c_prm;
+
+ mute = val ? 1 : 0;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ if (prm->mute != mute) {
+ prm->mute = mute;
+ change = 1;
+ }
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ if (change)
+ snd_ctl_notify(uac->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &prm->snd_kctl_mute->id);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(u_audio_set_mute);
+
+
static int u_audio_pitch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
return change;
}
-static const struct snd_kcontrol_new u_audio_controls[] = {
+static int u_audio_mute_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
- .iface = SNDRV_CTL_ELEM_IFACE_PCM,
- .name = "Capture Pitch 1000000",
- .info = u_audio_pitch_info,
- .get = u_audio_pitch_get,
- .put = u_audio_pitch_put,
-},
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ uinfo->value.integer.step = 1;
+
+ return 0;
+}
+
+static int u_audio_mute_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ ucontrol->value.integer.value[0] = !prm->mute;
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ return 0;
+}
+
+static int u_audio_mute_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ struct snd_uac_chip *uac = prm->uac;
+ struct g_audio *audio_dev = uac->audio_dev;
+ unsigned int val;
+ unsigned long flags;
+ int change = 0;
+
+ val = !ucontrol->value.integer.value[0];
+
+ spin_lock_irqsave(&prm->lock, flags);
+ if (val != prm->mute) {
+ prm->mute = val;
+ change = 1;
+ }
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ if (change && audio_dev->notify)
+ audio_dev->notify(audio_dev, prm->fu_id, UAC_FU_MUTE);
+
+ return change;
+}
+
+/*
+ * TLV callback for mixer volume controls
+ */
+static int u_audio_volume_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *_tlv)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ DECLARE_TLV_DB_MINMAX(scale, 0, 0);
+
+ if (size < sizeof(scale))
+ return -ENOMEM;
+
+ /* UAC volume resolution is 1/256 dB, TLV is 1/100 dB */
+ scale[2] = (prm->volume_min * 100) / 256;
+ scale[3] = (prm->volume_max * 100) / 256;
+ if (copy_to_user(_tlv, scale, sizeof(scale)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int u_audio_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max =
+ (prm->volume_max - prm->volume_min + prm->volume_res - 1)
+ / prm->volume_res;
+ uinfo->value.integer.step = 1;
+
+ return 0;
+}
+
+static int u_audio_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ unsigned long flags;
+
+ spin_lock_irqsave(&prm->lock, flags);
+ ucontrol->value.integer.value[0] =
+ (prm->volume - prm->volume_min) / prm->volume_res;
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ return 0;
+}
+
+static int u_audio_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct uac_rtd_params *prm = snd_kcontrol_chip(kcontrol);
+ struct snd_uac_chip *uac = prm->uac;
+ struct g_audio *audio_dev = uac->audio_dev;
+ unsigned int val;
+ s16 volume;
+ unsigned long flags;
+ int change = 0;
+
+ val = ucontrol->value.integer.value[0];
+
+ spin_lock_irqsave(&prm->lock, flags);
+ volume = (val * prm->volume_res) + prm->volume_min;
+ volume = clamp(volume, prm->volume_min, prm->volume_max);
+ if (volume != prm->volume) {
+ prm->volume = volume;
+ change = 1;
+ }
+ spin_unlock_irqrestore(&prm->lock, flags);
+
+ if (change && audio_dev->notify)
+ audio_dev->notify(audio_dev, prm->fu_id, UAC_FU_VOLUME);
+
+ return change;
+}
+
+
+static struct snd_kcontrol_new u_audio_controls[] = {
+ [UAC_FBACK_CTRL] {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "Capture Pitch 1000000",
+ .info = u_audio_pitch_info,
+ .get = u_audio_pitch_get,
+ .put = u_audio_pitch_put,
+ },
+ [UAC_MUTE_CTRL] {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "", /* will be filled later */
+ .info = u_audio_mute_info,
+ .get = u_audio_mute_get,
+ .put = u_audio_mute_put,
+ },
+ [UAC_VOLUME_CTRL] {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "", /* will be filled later */
+ .info = u_audio_volume_info,
+ .get = u_audio_volume_get,
+ .put = u_audio_volume_put,
+ },
};
int g_audio_setup(struct g_audio *g_audio, const char *pcm_name,
struct snd_kcontrol *kctl;
struct uac_params *params;
int p_chmask, c_chmask;
- int err;
+ int i, err;
if (!g_audio)
return -EINVAL;
if (c_chmask) {
struct uac_rtd_params *prm = &uac->c_prm;
- uac->c_prm.uac = uac;
+ spin_lock_init(&prm->lock);
+ uac->c_prm.uac = uac;
prm->max_psize = g_audio->out_ep_maxpsize;
prm->reqs = kcalloc(params->req_number,
if (p_chmask) {
struct uac_rtd_params *prm = &uac->p_prm;
+ spin_lock_init(&prm->lock);
uac->p_prm.uac = uac;
prm->max_psize = g_audio->in_ep_maxpsize;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &uac_pcm_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &uac_pcm_ops);
- if (c_chmask && g_audio->in_ep_fback) {
+ /*
+ * Create mixer and controls
+ * Create only if it's required on USB side
+ */
+ if ((c_chmask && g_audio->in_ep_fback)
+ || (p_chmask && params->p_fu.id)
+ || (c_chmask && params->c_fu.id))
strscpy(card->mixername, card_name, sizeof(card->driver));
- kctl = snd_ctl_new1(&u_audio_controls[0], &uac->c_prm);
+ if (c_chmask && g_audio->in_ep_fback) {
+ kctl = snd_ctl_new1(&u_audio_controls[UAC_FBACK_CTRL],
+ &uac->c_prm);
if (!kctl) {
err = -ENOMEM;
goto snd_fail;
goto snd_fail;
}
+ for (i = 0; i <= SNDRV_PCM_STREAM_LAST; i++) {
+ struct uac_rtd_params *prm;
+ struct uac_fu_params *fu;
+ char ctrl_name[24];
+ char *direction;
+
+ if (!pcm->streams[i].substream_count)
+ continue;
+
+ if (i == SNDRV_PCM_STREAM_PLAYBACK) {
+ prm = &uac->p_prm;
+ fu = ¶ms->p_fu;
+ direction = "Playback";
+ } else {
+ prm = &uac->c_prm;
+ fu = ¶ms->c_fu;
+ direction = "Capture";
+ }
+
+ prm->fu_id = fu->id;
+
+ if (fu->mute_present) {
+ snprintf(ctrl_name, sizeof(ctrl_name),
+ "PCM %s Switch", direction);
+
+ u_audio_controls[UAC_MUTE_CTRL].name = ctrl_name;
+
+ kctl = snd_ctl_new1(&u_audio_controls[UAC_MUTE_CTRL],
+ prm);
+ if (!kctl) {
+ err = -ENOMEM;
+ goto snd_fail;
+ }
+
+ kctl->id.device = pcm->device;
+ kctl->id.subdevice = i;
+
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ goto snd_fail;
+ prm->snd_kctl_mute = kctl;
+ prm->mute = 0;
+ }
+
+ if (fu->volume_present) {
+ snprintf(ctrl_name, sizeof(ctrl_name),
+ "PCM %s Volume", direction);
+
+ u_audio_controls[UAC_VOLUME_CTRL].name = ctrl_name;
+
+ kctl = snd_ctl_new1(&u_audio_controls[UAC_VOLUME_CTRL],
+ prm);
+ if (!kctl) {
+ err = -ENOMEM;
+ goto snd_fail;
+ }
+
+ kctl->id.device = pcm->device;
+ kctl->id.subdevice = i;
+
+
+ kctl->tlv.c = u_audio_volume_tlv;
+ kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+
+ err = snd_ctl_add(card, kctl);
+ if (err < 0)
+ goto snd_fail;
+ prm->snd_kctl_volume = kctl;
+ prm->volume = fu->volume_max;
+ prm->volume_max = fu->volume_max;
+ prm->volume_min = fu->volume_min;
+ prm->volume_res = fu->volume_res;
+ }
+ }
+
strscpy(card->driver, card_name, sizeof(card->driver));
strscpy(card->shortname, card_name, sizeof(card->shortname));
sprintf(card->longname, "%s %i", card_name, card->dev->id);
*/
#define FBACK_SLOW_MAX 250
+/* Feature Unit parameters */
+struct uac_fu_params {
+ int id; /* Feature Unit ID */
+
+ bool mute_present; /* mute control enable */
+
+ bool volume_present; /* volume control enable */
+ s16 volume_min; /* min volume in 1/256 dB */
+ s16 volume_max; /* max volume in 1/256 dB */
+ s16 volume_res; /* volume resolution in 1/256 dB */
+};
+
struct uac_params {
/* playback */
int p_chmask; /* channel mask */
int p_srate; /* rate in Hz */
int p_ssize; /* sample size */
+ struct uac_fu_params p_fu; /* Feature Unit parameters */
/* capture */
int c_chmask; /* channel mask */
int c_srate; /* rate in Hz */
int c_ssize; /* sample size */
+ struct uac_fu_params c_fu; /* Feature Unit parameters */
int req_number; /* number of preallocated requests */
int fb_max; /* upper frequency drift feedback limit per-mil */
/* Max packet size for all out_ep possible speeds */
unsigned int out_ep_maxpsize;
+ /* Notify UAC driver about control change */
+ int (*notify)(struct g_audio *g_audio, int unit_id, int cs);
+
/* The ALSA Sound Card it represents on the USB-Client side */
struct snd_uac_chip *uac;
int u_audio_start_playback(struct g_audio *g_audio);
void u_audio_stop_playback(struct g_audio *g_audio);
+int u_audio_get_volume(struct g_audio *g_audio, int playback, s16 *val);
+int u_audio_set_volume(struct g_audio *g_audio, int playback, s16 val);
+int u_audio_get_mute(struct g_audio *g_audio, int playback, int *val);
+int u_audio_set_mute(struct g_audio *g_audio, int playback, int val);
+
#endif /* __U_AUDIO_H */
}
spin_unlock_irqrestore(&dev->lock, flags);
- if (skb && !in) {
- dev_kfree_skb_any(skb);
+ if (!in) {
+ if (skb)
+ dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
int minor;
unsigned char subclass;
unsigned char protocol;
+ unsigned char no_out_endpoint;
unsigned short report_length;
unsigned short report_desc_length;
unsigned char *report_desc;
#define UAC1_DEF_PSRATE 48000
#define UAC1_DEF_PSSIZE 2
#define UAC1_DEF_REQ_NUM 2
+#define UAC1_DEF_INT_REQ_NUM 10
+
+#define UAC1_DEF_MUTE_PRESENT 1
+#define UAC1_DEF_VOLUME_PRESENT 1
+#define UAC1_DEF_MIN_DB (-100*256) /* -100 dB */
+#define UAC1_DEF_MAX_DB 0 /* 0 dB */
+#define UAC1_DEF_RES_DB (1*256) /* 1 dB */
struct f_uac1_opts {
int p_chmask;
int p_srate;
int p_ssize;
+
+ bool p_mute_present;
+ bool p_volume_present;
+ s16 p_volume_min;
+ s16 p_volume_max;
+ s16 p_volume_res;
+
+ bool c_mute_present;
+ bool c_volume_present;
+ s16 c_volume_min;
+ s16 c_volume_max;
+ s16 c_volume_res;
+
int req_number;
unsigned bound:1;
#define UAC2_DEF_CSRATE 64000
#define UAC2_DEF_CSSIZE 2
#define UAC2_DEF_CSYNC USB_ENDPOINT_SYNC_ASYNC
+
+#define UAC2_DEF_MUTE_PRESENT 1
+#define UAC2_DEF_VOLUME_PRESENT 1
+#define UAC2_DEF_MIN_DB (-100*256) /* -100 dB */
+#define UAC2_DEF_MAX_DB 0 /* 0 dB */
+#define UAC2_DEF_RES_DB (1*256) /* 1 dB */
+
#define UAC2_DEF_REQ_NUM 2
#define UAC2_DEF_FB_MAX 5
+#define UAC2_DEF_INT_REQ_NUM 10
struct f_uac2_opts {
struct usb_function_instance func_inst;
int c_srate;
int c_ssize;
int c_sync;
+
+ bool p_mute_present;
+ bool p_volume_present;
+ s16 p_volume_min;
+ s16 p_volume_max;
+ s16 p_volume_res;
+
+ bool c_mute_present;
+ bool c_volume_present;
+ s16 c_volume_min;
+ s16 c_volume_max;
+ s16 c_volume_res;
+
int req_number;
int fb_max;
- bool bound;
+ bool bound;
struct mutex lock;
int refcnt;
* Driver specific constants
*/
-#define UVC_NUM_REQUESTS 4
#define UVC_MAX_REQUEST_SIZE 64
#define UVC_MAX_EVENTS 4
/* ------------------------------------------------------------------------
* Structures
*/
+struct uvc_request {
+ struct usb_request *req;
+ u8 *req_buffer;
+ struct uvc_video *video;
+ struct sg_table sgt;
+ u8 header[2];
+};
struct uvc_video {
struct uvc_device *uvc;
unsigned int imagesize;
struct mutex mutex; /* protects frame parameters */
+ unsigned int uvc_num_requests;
+
/* Requests */
unsigned int req_size;
- struct usb_request *req[UVC_NUM_REQUESTS];
- __u8 *req_buffer[UVC_NUM_REQUESTS];
+ struct uvc_request *ureq;
struct list_head req_free;
spinlock_t req_lock;
+ unsigned int req_int_count;
+
void (*encode) (struct usb_request *req, struct uvc_video *video,
struct uvc_buffer *buf);
#include <linux/wait.h>
#include <media/v4l2-common.h>
+#include <media/videobuf2-dma-sg.h>
#include <media/videobuf2-vmalloc.h>
#include "uvc.h"
{
struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
struct uvc_video *video = container_of(queue, struct uvc_video, queue);
+ struct usb_composite_dev *cdev = video->uvc->func.config->cdev;
if (*nbuffers > UVC_MAX_VIDEO_BUFFERS)
*nbuffers = UVC_MAX_VIDEO_BUFFERS;
sizes[0] = video->imagesize;
+ if (cdev->gadget->speed < USB_SPEED_SUPER)
+ video->uvc_num_requests = 4;
+ else
+ video->uvc_num_requests = 64;
+
return 0;
}
return -ENODEV;
buf->state = UVC_BUF_STATE_QUEUED;
- buf->mem = vb2_plane_vaddr(vb, 0);
+ if (queue->use_sg) {
+ buf->sgt = vb2_dma_sg_plane_desc(vb, 0);
+ buf->sg = buf->sgt->sgl;
+ } else {
+ buf->mem = vb2_plane_vaddr(vb, 0);
+ }
buf->length = vb2_plane_size(vb, 0);
if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
buf->bytesused = 0;
.wait_finish = vb2_ops_wait_finish,
};
-int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
+int uvcg_queue_init(struct uvc_video_queue *queue, struct device *dev, enum v4l2_buf_type type,
struct mutex *lock)
{
+ struct uvc_video *video = container_of(queue, struct uvc_video, queue);
+ struct usb_composite_dev *cdev = video->uvc->func.config->cdev;
int ret;
queue->queue.type = type;
queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
queue->queue.ops = &uvc_queue_qops;
queue->queue.lock = lock;
- queue->queue.mem_ops = &vb2_vmalloc_memops;
+ if (cdev->gadget->sg_supported) {
+ queue->queue.mem_ops = &vb2_dma_sg_memops;
+ queue->use_sg = 1;
+ } else {
+ queue->queue.mem_ops = &vb2_vmalloc_memops;
+ }
+
queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
| V4L2_BUF_FLAG_TSTAMP_SRC_EOF;
+ queue->queue.dev = dev;
+
ret = vb2_queue_init(&queue->queue);
if (ret)
return ret;
enum uvc_buffer_state state;
void *mem;
+ struct sg_table *sgt;
+ struct scatterlist *sg;
+ unsigned int offset;
unsigned int length;
unsigned int bytesused;
};
unsigned int buf_used;
+ bool use_sg;
+
spinlock_t irqlock; /* Protects flags and irqqueue */
struct list_head irqqueue;
};
return vb2_is_streaming(&queue->queue);
}
-int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
+int uvcg_queue_init(struct uvc_video_queue *queue, struct device *dev, enum v4l2_buf_type type,
struct mutex *lock);
void uvcg_free_buffers(struct uvc_video_queue *queue);
uvc_video_encode_header(struct uvc_video *video, struct uvc_buffer *buf,
u8 *data, int len)
{
- data[0] = 2;
+ data[0] = UVCG_REQUEST_HEADER_LEN;
data[1] = UVC_STREAM_EOH | video->fid;
- if (buf->bytesused - video->queue.buf_used <= len - 2)
+ if (buf->bytesused - video->queue.buf_used <= len - UVCG_REQUEST_HEADER_LEN)
data[1] |= UVC_STREAM_EOF;
return 2;
video->payload_size = 0;
}
+static void
+uvc_video_encode_isoc_sg(struct usb_request *req, struct uvc_video *video,
+ struct uvc_buffer *buf)
+{
+ unsigned int pending = buf->bytesused - video->queue.buf_used;
+ struct uvc_request *ureq = req->context;
+ struct scatterlist *sg, *iter;
+ unsigned int len = video->req_size;
+ unsigned int sg_left, part = 0;
+ unsigned int i;
+ int ret;
+
+ sg = ureq->sgt.sgl;
+ sg_init_table(sg, ureq->sgt.nents);
+
+ /* Init the header. */
+ ret = uvc_video_encode_header(video, buf, ureq->header,
+ video->req_size);
+ sg_set_buf(sg, ureq->header, UVCG_REQUEST_HEADER_LEN);
+ len -= ret;
+
+ if (pending <= len)
+ len = pending;
+
+ req->length = (len == pending) ?
+ len + UVCG_REQUEST_HEADER_LEN : video->req_size;
+
+ /* Init the pending sgs with payload */
+ sg = sg_next(sg);
+
+ for_each_sg(sg, iter, ureq->sgt.nents - 1, i) {
+ if (!len || !buf->sg)
+ break;
+
+ sg_left = sg_dma_len(buf->sg) - buf->offset;
+ part = min_t(unsigned int, len, sg_left);
+
+ sg_set_page(iter, sg_page(buf->sg), part, buf->offset);
+
+ if (part == sg_left) {
+ buf->offset = 0;
+ buf->sg = sg_next(buf->sg);
+ } else {
+ buf->offset += part;
+ }
+ len -= part;
+ }
+
+ /* Assign the video data with header. */
+ req->buf = NULL;
+ req->sg = ureq->sgt.sgl;
+ req->num_sgs = i + 1;
+
+ req->length -= len;
+ video->queue.buf_used += req->length - UVCG_REQUEST_HEADER_LEN;
+
+ if (buf->bytesused == video->queue.buf_used || !buf->sg) {
+ video->queue.buf_used = 0;
+ buf->state = UVC_BUF_STATE_DONE;
+ buf->offset = 0;
+ uvcg_queue_next_buffer(&video->queue, buf);
+ video->fid ^= UVC_STREAM_FID;
+ }
+}
+
static void
uvc_video_encode_isoc(struct usb_request *req, struct uvc_video *video,
struct uvc_buffer *buf)
static void
uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
{
- struct uvc_video *video = req->context;
+ struct uvc_request *ureq = req->context;
+ struct uvc_video *video = ureq->video;
struct uvc_video_queue *queue = &video->queue;
unsigned long flags;
{
unsigned int i;
- for (i = 0; i < UVC_NUM_REQUESTS; ++i) {
- if (video->req[i]) {
- usb_ep_free_request(video->ep, video->req[i]);
- video->req[i] = NULL;
- }
+ if (video->ureq) {
+ for (i = 0; i < video->uvc_num_requests; ++i) {
+ sg_free_table(&video->ureq[i].sgt);
+
+ if (video->ureq[i].req) {
+ usb_ep_free_request(video->ep, video->ureq[i].req);
+ video->ureq[i].req = NULL;
+ }
- if (video->req_buffer[i]) {
- kfree(video->req_buffer[i]);
- video->req_buffer[i] = NULL;
+ if (video->ureq[i].req_buffer) {
+ kfree(video->ureq[i].req_buffer);
+ video->ureq[i].req_buffer = NULL;
+ }
}
+
+ kfree(video->ureq);
+ video->ureq = NULL;
}
INIT_LIST_HEAD(&video->req_free);
* max_t(unsigned int, video->ep->maxburst, 1)
* (video->ep->mult);
- for (i = 0; i < UVC_NUM_REQUESTS; ++i) {
- video->req_buffer[i] = kmalloc(req_size, GFP_KERNEL);
- if (video->req_buffer[i] == NULL)
- goto error;
+ video->ureq = kcalloc(video->uvc_num_requests, sizeof(struct uvc_request), GFP_KERNEL);
+ if (video->ureq == NULL)
+ return -ENOMEM;
- video->req[i] = usb_ep_alloc_request(video->ep, GFP_KERNEL);
- if (video->req[i] == NULL)
+ for (i = 0; i < video->uvc_num_requests; ++i) {
+ video->ureq[i].req_buffer = kmalloc(req_size, GFP_KERNEL);
+ if (video->ureq[i].req_buffer == NULL)
goto error;
- video->req[i]->buf = video->req_buffer[i];
- video->req[i]->length = 0;
- video->req[i]->complete = uvc_video_complete;
- video->req[i]->context = video;
+ video->ureq[i].req = usb_ep_alloc_request(video->ep, GFP_KERNEL);
+ if (video->ureq[i].req == NULL)
+ goto error;
- list_add_tail(&video->req[i]->list, &video->req_free);
+ video->ureq[i].req->buf = video->ureq[i].req_buffer;
+ video->ureq[i].req->length = 0;
+ video->ureq[i].req->complete = uvc_video_complete;
+ video->ureq[i].req->context = &video->ureq[i];
+ video->ureq[i].video = video;
+
+ list_add_tail(&video->ureq[i].req->list, &video->req_free);
+ /* req_size/PAGE_SIZE + 1 for overruns and + 1 for header */
+ sg_alloc_table(&video->ureq[i].sgt,
+ DIV_ROUND_UP(req_size - 2, PAGE_SIZE) + 2,
+ GFP_KERNEL);
}
video->req_size = req_size;
video->encode(req, video, buf);
+ /* With usb3 we have more requests. This will decrease the
+ * interrupt load to a quarter but also catches the corner
+ * cases, which needs to be handled */
+ if (list_empty(&video->req_free) ||
+ buf->state == UVC_BUF_STATE_DONE ||
+ !(video->req_int_count %
+ DIV_ROUND_UP(video->uvc_num_requests, 4))) {
+ video->req_int_count = 0;
+ req->no_interrupt = 0;
+ } else {
+ req->no_interrupt = 1;
+ }
+
/* Queue the USB request */
ret = uvcg_video_ep_queue(video, req);
spin_unlock_irqrestore(&queue->irqlock, flags);
uvcg_queue_cancel(queue, 0);
break;
}
+ video->req_int_count++;
}
spin_lock_irqsave(&video->req_lock, flags);
cancel_work_sync(&video->pump);
uvcg_queue_cancel(&video->queue, 0);
- for (i = 0; i < UVC_NUM_REQUESTS; ++i)
- if (video->req[i])
- usb_ep_dequeue(video->ep, video->req[i]);
+ for (i = 0; i < video->uvc_num_requests; ++i)
+ if (video->ureq && video->ureq[i].req)
+ usb_ep_dequeue(video->ep, video->ureq[i].req);
uvc_video_free_requests(video);
uvcg_queue_enable(&video->queue, 0);
video->encode = uvc_video_encode_bulk;
video->payload_size = 0;
} else
- video->encode = uvc_video_encode_isoc;
+ video->encode = video->queue.use_sg ?
+ uvc_video_encode_isoc_sg : uvc_video_encode_isoc;
+
+ video->req_int_count = 0;
schedule_work(&video->pump);
video->imagesize = 320 * 240 * 2;
/* Initialize the video buffers queue. */
- uvcg_queue_init(&video->queue, V4L2_BUF_TYPE_VIDEO_OUTPUT,
- &video->mutex);
+ uvcg_queue_init(&video->queue, uvc->v4l2_dev.dev->parent,
+ V4L2_BUF_TYPE_VIDEO_OUTPUT, &video->mutex);
return 0;
}
#ifndef __UVC_VIDEO_H__
#define __UVC_VIDEO_H__
+#define UVCG_REQUEST_HEADER_LEN 2
+
struct uvc_video;
int uvcg_video_enable(struct uvc_video *video, int enable);
tristate "USB Webcam Gadget"
depends on VIDEO_V4L2
select USB_LIBCOMPOSITE
+ select VIDEOBUF2_DMA_SG
select VIDEOBUF2_VMALLOC
select USB_F_UVC
help
static __poll_t
ep0_poll (struct file *fd, poll_table *wait)
{
- struct dev_data *dev = fd->private_data;
- __poll_t mask = 0;
+ struct dev_data *dev = fd->private_data;
+ __poll_t mask = 0;
if (dev->state <= STATE_DEV_OPENED)
return DEFAULT_POLLMASK;
/* Number of requests to allocate per endpoint, not used for ep0. */
static unsigned qlen = 10;
module_param(qlen, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(qlen, "The number of 8k buffers to use per endpoint");
#define QLEN qlen
* core.c - Top level support
*
* Copyright 2017 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
* dev.c - Individual device/gadget management (ie, a port = a gadget)
*
* Copyright 2017 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
* ep0.c - Endpoint 0 handling
*
* Copyright 2017 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
* epn.c - Generic endpoints management
*
* Copyright 2017 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
* hub.c - virtual hub handling
*
* Copyright 2017 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/kernel.h>
clk_disable(udc->iclk);
/* request UDC and maybe VBUS irqs */
- udc->udp_irq = platform_get_irq(pdev, 0);
+ udc->udp_irq = retval = platform_get_irq(pdev, 0);
+ if (retval < 0)
+ goto err_unprepare_iclk;
retval = devm_request_irq(dev, udc->udp_irq, at91_udc_irq, 0,
driver_name, udc);
if (retval) {
si = clamp_val(si, 1, 16) - 1;
mps = usb_endpoint_maxp(desc);
- mps &= 0x7ff;
param2 |= mps << MP_SHIFT;
param2 |= usb_endpoint_type(desc) << EPT_SHIFT;
int irq;
u32 temp;
struct device *dev = &pdev->dev;
- struct clk *clk;
int phy_num;
dev_dbg(dev, "%s()\n", __func__);
- clk = devm_clk_get_optional(dev, "sw_usbd");
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- ret = clk_prepare_enable(clk);
- if (ret) {
- dev_err(dev, "could not enable clock\n");
- return ret;
- }
-
bdc = devm_kzalloc(dev, sizeof(*bdc), GFP_KERNEL);
if (!bdc)
return -ENOMEM;
- bdc->clk = clk;
-
bdc->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(bdc->regs))
return PTR_ERR(bdc->regs);
}
}
+ bdc->clk = devm_clk_get_optional(dev, "sw_usbd");
+ if (IS_ERR(bdc->clk))
+ return PTR_ERR(bdc->clk);
+
+ ret = clk_prepare_enable(bdc->clk);
+ if (ret) {
+ dev_err(dev, "could not enable clock\n");
+ return ret;
+ }
+
ret = bdc_phy_init(bdc);
if (ret) {
dev_err(bdc->dev, "BDC phy init failure:%d\n", ret);
- return ret;
+ goto disable_clk;
}
temp = bdc_readl(bdc->regs, BDC_BDCCAP1);
if (ret) {
dev_err(dev,
"No suitable DMA config available, abort\n");
- return -ENOTSUPP;
+ ret = -ENOTSUPP;
+ goto phycleanup;
}
dev_dbg(dev, "Using 32-bit address\n");
}
bdc_hw_exit(bdc);
phycleanup:
bdc_phy_exit(bdc);
+disable_clk:
+ clk_disable_unprepare(bdc->clk);
return ret;
}
}
EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc);
+/**
+ * usb_gadget_check_config - checks if the UDC can support the binded
+ * configuration
+ * @gadget: controller to check the USB configuration
+ *
+ * Ensure that a UDC is able to support the requested resources by a
+ * configuration, and that there are no resource limitations, such as
+ * internal memory allocated to all requested endpoints.
+ *
+ * Returns zero on success, else a negative errno.
+ */
+int usb_gadget_check_config(struct usb_gadget *gadget)
+{
+ if (gadget->ops->check_config)
+ return gadget->ops->check_config(gadget);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usb_gadget_check_config);
+
/* ------------------------------------------------------------------------- */
static void usb_gadget_state_work(struct work_struct *work)
goto err_get_irq;
}
u3d->irq = r->start;
- if (request_irq(u3d->irq, mv_u3d_irq,
- IRQF_SHARED, driver_name, u3d)) {
- u3d->irq = 0;
- dev_err(&dev->dev, "Request irq %d for u3d failed\n",
- u3d->irq);
- retval = -ENODEV;
- goto err_request_irq;
- }
/* initialize gadget structure */
u3d->gadget.ops = &mv_u3d_ops; /* usb_gadget_ops */
mv_u3d_eps_init(u3d);
+ if (request_irq(u3d->irq, mv_u3d_irq,
+ IRQF_SHARED, driver_name, u3d)) {
+ u3d->irq = 0;
+ dev_err(&dev->dev, "Request irq %d for u3d failed\n",
+ u3d->irq);
+ retval = -ENODEV;
+ goto err_request_irq;
+ }
+
/* external vbus detection */
if (u3d->vbus) {
u3d->clock_gating = 1;
err_unregister:
free_irq(u3d->irq, u3d);
-err_request_irq:
err_get_irq:
+err_request_irq:
kfree(u3d->status_req);
err_alloc_status_req:
kfree(u3d->eps);
}
-static struct usb_ep_ops pxa25x_ep_ops = {
+static const struct usb_ep_ops pxa25x_ep_ops = {
.enable = pxa25x_ep_enable,
.disable = pxa25x_ep_disable,
static const struct of_device_id usb3_of_match[] = {
{
+ .compatible = "renesas,r8a774c0-usb3-peri",
+ .data = &renesas_usb3_priv_r8a77990,
+ }, {
.compatible = "renesas,r8a7795-usb3-peri",
.data = &renesas_usb3_priv_gen3,
- },
- {
+ }, {
+ .compatible = "renesas,r8a77990-usb3-peri",
+ .data = &renesas_usb3_priv_r8a77990,
+ }, {
.compatible = "renesas,rcar-gen3-usb3-peri",
.data = &renesas_usb3_priv_gen3,
},
MODULE_DEVICE_TABLE(of, usb3_of_match);
static const struct soc_device_attribute renesas_usb3_quirks_match[] = {
- {
- .soc_id = "r8a774c0",
- .data = &renesas_usb3_priv_r8a77990,
- },
{
.soc_id = "r8a7795", .revision = "ES1.*",
.data = &renesas_usb3_priv_r8a7795_es1,
},
- {
- .soc_id = "r8a77990",
- .data = &renesas_usb3_priv_r8a77990,
- },
{ /* sentinel */ },
};
s3c2410_udc_reinit(udc);
irq_usbd = platform_get_irq(pdev, 0);
+ if (irq_usbd < 0) {
+ retval = irq_usbd;
+ goto err_udc_clk;
+ }
/* irq setup after old hardware state is cleaned up */
retval = request_irq(irq_usbd, s3c2410_udc_irq,
u16 maxpacket, maxburst = 0, esit = 0;
u32 val;
- maxpacket = usb_endpoint_maxp(desc) & 0x7ff;
+ maxpacket = usb_endpoint_maxp(desc);
if (xudc->gadget.speed == USB_SPEED_SUPER) {
if (!usb_endpoint_xfer_control(desc))
maxburst = comp_desc->bMaxBurst;
(usb_endpoint_xfer_int(desc) ||
usb_endpoint_xfer_isoc(desc))) {
if (xudc->gadget.speed == USB_SPEED_HIGH) {
- maxburst = (usb_endpoint_maxp(desc) >> 11) & 0x3;
+ maxburst = usb_endpoint_maxp_mult(desc) - 1;
if (maxburst == 0x3) {
dev_warn(xudc->dev,
"invalid endpoint maxburst\n");
depends on USB_PCI
default y
-config USB_EHCI_HCD_PMC_MSP
- tristate "EHCI support for on-chip PMC MSP71xx USB controller"
- depends on MSP_HAS_USB
- select USB_EHCI_BIG_ENDIAN_DESC
- select USB_EHCI_BIG_ENDIAN_MMIO
- help
- Enables support for the onchip USB controller on the PMC_MSP7100 Family SoC's.
- If unsure, say N.
-
config XPS_USB_HCD_XILINX
bool "Use Xilinx usb host EHCI controller core"
depends on (PPC32 || MICROBLAZE)
/*
* SWLINUX-1705: Avoid OUT packet underflows during high memory
* bus usage
- * port_status[0x0f] = Broadcom-proprietary USB_EHCI_INSNREG00 @ 0x90
*/
- ehci_writel(ehci, 0x00800040, &ehci->regs->port_status[0x10]);
- ehci_writel(ehci, 0x00000001, &ehci->regs->port_status[0x12]);
+ ehci_writel(ehci, 0x00800040, &ehci->regs->brcm_insnreg[1]);
+ ehci_writel(ehci, 0x00000001, &ehci->regs->brcm_insnreg[3]);
return ehci_setup(hcd);
}
/*
* SWLINUX-1705: Avoid OUT packet underflows during high memory
* bus usage
- * port_status[0x0f] = Broadcom-proprietary USB_EHCI_INSNREG00
- * @ 0x90
*/
- ehci_writel(ehci, 0x00800040, &ehci->regs->port_status[0x10]);
- ehci_writel(ehci, 0x00000001, &ehci->regs->port_status[0x12]);
+ ehci_writel(ehci, 0x00800040, &ehci->regs->brcm_insnreg[1]);
+ ehci_writel(ehci, 0x00000001, &ehci->regs->brcm_insnreg[3]);
ehci_resume(hcd, false);
#define XILINX_OF_PLATFORM_DRIVER ehci_hcd_xilinx_of_driver
#endif
-#ifdef CONFIG_USB_EHCI_HCD_PMC_MSP
-#include "ehci-pmcmsp.c"
-#define PLATFORM_DRIVER ehci_hcd_msp_driver
-#endif
-
#ifdef CONFIG_SPARC_LEON
#include "ehci-grlib.c"
#define PLATFORM_DRIVER ehci_grlib_driver
int (*set_vbus)(unsigned int vbus);
};
-static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv)
+static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
{
- clk_prepare_enable(ehci_mv->clk);
-}
+ int retval;
-static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
-{
- clk_disable_unprepare(ehci_mv->clk);
-}
+ retval = clk_prepare_enable(ehci_mv->clk);
+ if (retval)
+ return retval;
-static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
-{
- ehci_clock_enable(ehci_mv);
- return phy_init(ehci_mv->phy);
+ retval = phy_init(ehci_mv->phy);
+ if (retval)
+ clk_disable_unprepare(ehci_mv->clk);
+
+ return retval;
}
static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv)
{
phy_exit(ehci_mv->phy);
- ehci_clock_disable(ehci_mv);
+ clk_disable_unprepare(ehci_mv->clk);
}
static int mv_ehci_reset(struct usb_hcd *hcd)
* the clock does not exists.
*/
priv->clk = devm_clk_get(&pdev->dev, NULL);
- if (!IS_ERR(priv->clk))
- clk_prepare_enable(priv->clk);
+ if (!IS_ERR(priv->clk)) {
+ err = clk_prepare_enable(priv->clk);
+ if (err)
+ goto err_put_hcd;
+ }
priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
if (IS_ERR(priv->phy)) {
err_dis_clk:
if (!IS_ERR(priv->clk))
clk_disable_unprepare(priv->clk);
+err_put_hcd:
usb_put_hcd(hcd);
err:
dev_err(&pdev->dev, "init %s fail, %d\n",
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * PMC MSP EHCI (Host Controller Driver) for USB.
- *
- * (C) Copyright 2006-2010 PMC-Sierra Inc
- */
-
-/* includes */
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/usb.h>
-#include <msp_usb.h>
-
-/* stream disable*/
-#define USB_CTRL_MODE_STREAM_DISABLE 0x10
-
-/* threshold */
-#define USB_CTRL_FIFO_THRESH 0x00300000
-
-/* register offset for usb_mode */
-#define USB_EHCI_REG_USB_MODE 0x68
-
-/* register offset for usb fifo */
-#define USB_EHCI_REG_USB_FIFO 0x24
-
-/* register offset for usb status */
-#define USB_EHCI_REG_USB_STATUS 0x44
-
-/* serial/parallel transceiver */
-#define USB_EHCI_REG_BIT_STAT_STS (1<<29)
-
-/* TWI USB0 host device pin */
-#define MSP_PIN_USB0_HOST_DEV 49
-
-/* TWI USB1 host device pin */
-#define MSP_PIN_USB1_HOST_DEV 50
-
-
-static void usb_hcd_tdi_set_mode(struct ehci_hcd *ehci)
-{
- u8 *base;
- u8 *statreg;
- u8 *fiforeg;
- u32 val;
- struct ehci_regs *reg_base = ehci->regs;
-
- /* get register base */
- base = (u8 *)reg_base + USB_EHCI_REG_USB_MODE;
- statreg = (u8 *)reg_base + USB_EHCI_REG_USB_STATUS;
- fiforeg = (u8 *)reg_base + USB_EHCI_REG_USB_FIFO;
-
- /* Disable controller mode stream */
- val = ehci_readl(ehci, (u32 *)base);
- ehci_writel(ehci, (val | USB_CTRL_MODE_STREAM_DISABLE),
- (u32 *)base);
-
- /* clear STS to select parallel transceiver interface */
- val = ehci_readl(ehci, (u32 *)statreg);
- val = val & ~USB_EHCI_REG_BIT_STAT_STS;
- ehci_writel(ehci, val, (u32 *)statreg);
-
- /* write to set the proper fifo threshold */
- ehci_writel(ehci, USB_CTRL_FIFO_THRESH, (u32 *)fiforeg);
-
- /* set TWI GPIO USB_HOST_DEV pin high */
- gpio_direction_output(MSP_PIN_USB0_HOST_DEV, 1);
-}
-
-/* called during probe() after chip reset completes */
-static int ehci_msp_setup(struct usb_hcd *hcd)
-{
- struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- int retval;
-
- ehci->big_endian_mmio = 1;
- ehci->big_endian_desc = 1;
-
- ehci->caps = hcd->regs;
- hcd->has_tt = 1;
-
- retval = ehci_setup(hcd);
- if (retval)
- return retval;
-
- usb_hcd_tdi_set_mode(ehci);
-
- return retval;
-}
-
-
-/* configure so an HC device and id are always provided
- * always called with process context; sleeping is OK
- */
-
-static int usb_hcd_msp_map_regs(struct mspusb_device *dev)
-{
- struct resource *res;
- struct platform_device *pdev = &dev->dev;
- u32 res_len;
- int retval;
-
- /* MAB register space */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (res == NULL)
- return -ENOMEM;
- res_len = resource_size(res);
- if (!request_mem_region(res->start, res_len, "mab regs"))
- return -EBUSY;
-
- dev->mab_regs = ioremap(res->start, res_len);
- if (dev->mab_regs == NULL) {
- retval = -ENOMEM;
- goto err1;
- }
-
- /* MSP USB register space */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- if (res == NULL) {
- retval = -ENOMEM;
- goto err2;
- }
- res_len = resource_size(res);
- if (!request_mem_region(res->start, res_len, "usbid regs")) {
- retval = -EBUSY;
- goto err2;
- }
- dev->usbid_regs = ioremap(res->start, res_len);
- if (dev->usbid_regs == NULL) {
- retval = -ENOMEM;
- goto err3;
- }
-
- return 0;
-err3:
- res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- res_len = resource_size(res);
- release_mem_region(res->start, res_len);
-err2:
- iounmap(dev->mab_regs);
-err1:
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- res_len = resource_size(res);
- release_mem_region(res->start, res_len);
- dev_err(&pdev->dev, "Failed to map non-EHCI regs.\n");
- return retval;
-}
-
-/**
- * usb_hcd_msp_probe - initialize PMC MSP-based HCDs
- * @driver: Pointer to hc driver instance
- * @dev: USB controller to probe
- *
- * Context: task context, might sleep
- *
- * Allocates basic resources for this USB host controller, and
- * then invokes the start() method for the HCD associated with it
- * through the hotplug entry's driver_data.
- */
-int usb_hcd_msp_probe(const struct hc_driver *driver,
- struct platform_device *dev)
-{
- int retval;
- struct usb_hcd *hcd;
- struct resource *res;
- struct ehci_hcd *ehci ;
-
- hcd = usb_create_hcd(driver, &dev->dev, "pmcmsp");
- if (!hcd)
- return -ENOMEM;
-
- res = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- pr_debug("No IOMEM resource info for %s.\n", dev->name);
- retval = -ENOMEM;
- goto err1;
- }
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, dev->name)) {
- retval = -EBUSY;
- goto err1;
- }
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- pr_debug("ioremap failed");
- retval = -ENOMEM;
- goto err2;
- }
-
- res = platform_get_resource(dev, IORESOURCE_IRQ, 0);
- if (res == NULL) {
- dev_err(&dev->dev, "No IRQ resource info for %s.\n", dev->name);
- retval = -ENOMEM;
- goto err3;
- }
-
- /* Map non-EHCI register spaces */
- retval = usb_hcd_msp_map_regs(to_mspusb_device(dev));
- if (retval != 0)
- goto err3;
-
- ehci = hcd_to_ehci(hcd);
- ehci->big_endian_mmio = 1;
- ehci->big_endian_desc = 1;
-
-
- retval = usb_add_hcd(hcd, res->start, IRQF_SHARED);
- if (retval == 0) {
- device_wakeup_enable(hcd->self.controller);
- return 0;
- }
-
- usb_remove_hcd(hcd);
-err3:
- iounmap(hcd->regs);
-err2:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
- usb_put_hcd(hcd);
-
- return retval;
-}
-
-
-
-/**
- * usb_hcd_msp_remove - shutdown processing for PMC MSP-based HCDs
- * @hcd: USB Host Controller being removed
- *
- * Context: task context, might sleep
- *
- * Reverses the effect of usb_hcd_msp_probe(), first invoking
- * the HCD's stop() method. It is always called from a thread
- * context, normally "rmmod", "apmd", or something similar.
- *
- * may be called without controller electrically present
- * may be called with controller, bus, and devices active
- */
-static void usb_hcd_msp_remove(struct usb_hcd *hcd)
-{
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- usb_put_hcd(hcd);
-}
-
-static const struct hc_driver ehci_msp_hc_driver = {
- .description = hcd_name,
- .product_desc = "PMC MSP EHCI",
- .hcd_priv_size = sizeof(struct ehci_hcd),
-
- /*
- * generic hardware linkage
- */
- .irq = ehci_irq,
- .flags = HCD_MEMORY | HCD_DMA | HCD_USB2 | HCD_BH,
-
- /*
- * basic lifecycle operations
- */
- .reset = ehci_msp_setup,
- .shutdown = ehci_shutdown,
- .start = ehci_run,
- .stop = ehci_stop,
-
- /*
- * managing i/o requests and associated device resources
- */
- .urb_enqueue = ehci_urb_enqueue,
- .urb_dequeue = ehci_urb_dequeue,
- .endpoint_disable = ehci_endpoint_disable,
- .endpoint_reset = ehci_endpoint_reset,
-
- /*
- * scheduling support
- */
- .get_frame_number = ehci_get_frame,
-
- /*
- * root hub support
- */
- .hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
- .bus_suspend = ehci_bus_suspend,
- .bus_resume = ehci_bus_resume,
- .relinquish_port = ehci_relinquish_port,
- .port_handed_over = ehci_port_handed_over,
-
- .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-};
-
-static int ehci_hcd_msp_drv_probe(struct platform_device *pdev)
-{
- int ret;
-
- pr_debug("In ehci_hcd_msp_drv_probe");
-
- if (usb_disabled())
- return -ENODEV;
-
- gpio_request(MSP_PIN_USB0_HOST_DEV, "USB0_HOST_DEV_GPIO");
-
- ret = usb_hcd_msp_probe(&ehci_msp_hc_driver, pdev);
-
- return ret;
-}
-
-static int ehci_hcd_msp_drv_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
- usb_hcd_msp_remove(hcd);
-
- /* free TWI GPIO USB_HOST_DEV pin */
- gpio_free(MSP_PIN_USB0_HOST_DEV);
-
- return 0;
-}
-
-MODULE_ALIAS("pmcmsp-ehci");
-
-static struct platform_driver ehci_hcd_msp_driver = {
- .probe = ehci_hcd_msp_drv_probe,
- .remove = ehci_hcd_msp_drv_remove,
- .driver = {
- .name = "pmcmsp-ehci",
- },
-};
qh = kzalloc(sizeof(*qh), GFP_ATOMIC);
if (!qh)
goto done;
- qh->hw = dma_pool_zalloc(fotg210->qh_pool, flags, &dma);
+ qh->hw = (struct fotg210_qh_hw *)
+ dma_pool_alloc(fotg210->qh_pool, flags, &dma);
if (!qh->hw)
goto fail;
+ memset(qh->hw, 0, sizeof(*qh->hw));
qh->qh_dma = dma;
INIT_LIST_HEAD(&qh->qtd_list);
return count;
}
-/* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */
-#define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
-/* ... and packet size, for any kind of endpoint descriptor */
-#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
-
/* reverse of qh_urb_transaction: free a list of TDs.
* used for cleanup after errors, before HC sees an URB's TDs.
*/
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */
- maxpacket = max_packet(usb_maxpacket(urb->dev, urb->pipe, !is_input));
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);
/*
* buffer gets wrapped in one or more qtds;
gfp_t flags)
{
struct fotg210_qh *qh = fotg210_qh_alloc(fotg210, flags);
+ struct usb_host_endpoint *ep;
u32 info1 = 0, info2 = 0;
int is_input, type;
int maxp = 0;
+ int mult;
struct usb_tt *tt = urb->dev->tt;
struct fotg210_qh_hw *hw;
is_input = usb_pipein(urb->pipe);
type = usb_pipetype(urb->pipe);
- maxp = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ ep = usb_pipe_endpoint(urb->dev, urb->pipe);
+ maxp = usb_endpoint_maxp(&ep->desc);
+ mult = usb_endpoint_maxp_mult(&ep->desc);
/* 1024 byte maxpacket is a hardware ceiling. High bandwidth
* acts like up to 3KB, but is built from smaller packets.
*/
- if (max_packet(maxp) > 1024) {
- fotg210_dbg(fotg210, "bogus qh maxpacket %d\n",
- max_packet(maxp));
+ if (maxp > 1024) {
+ fotg210_dbg(fotg210, "bogus qh maxpacket %d\n", maxp);
goto done;
}
*/
if (type == PIPE_INTERRUPT) {
qh->usecs = NS_TO_US(usb_calc_bus_time(USB_SPEED_HIGH,
- is_input, 0,
- hb_mult(maxp) * max_packet(maxp)));
+ is_input, 0, mult * maxp));
qh->start = NO_FRAME;
if (urb->dev->speed == USB_SPEED_HIGH) {
think_time = tt ? tt->think_time : 0;
qh->tt_usecs = NS_TO_US(think_time +
usb_calc_bus_time(urb->dev->speed,
- is_input, 0, max_packet(maxp)));
+ is_input, 0, maxp));
qh->period = urb->interval;
if (qh->period > fotg210->periodic_size) {
qh->period = fotg210->periodic_size;
* to help them do so. So now people expect to use
* such nonconformant devices with Linux too; sigh.
*/
- info1 |= max_packet(maxp) << 16;
+ info1 |= maxp << 16;
info2 |= (FOTG210_TUNE_MULT_HS << 30);
} else { /* PIPE_INTERRUPT */
- info1 |= max_packet(maxp) << 16;
- info2 |= hb_mult(maxp) << 30;
+ info1 |= maxp << 16;
+ info2 |= mult << 30;
}
break;
default:
int is_input;
long bandwidth;
unsigned multi;
+ struct usb_host_endpoint *ep;
/*
* this might be a "high bandwidth" highspeed endpoint,
*/
epnum = usb_pipeendpoint(pipe);
is_input = usb_pipein(pipe) ? USB_DIR_IN : 0;
- maxp = usb_maxpacket(dev, pipe, !is_input);
+ ep = usb_pipe_endpoint(dev, pipe);
+ maxp = usb_endpoint_maxp(&ep->desc);
if (is_input)
buf1 = (1 << 11);
else
buf1 = 0;
- maxp = max_packet(maxp);
- multi = hb_mult(maxp);
+ multi = usb_endpoint_maxp_mult(&ep->desc);
buf1 |= maxp;
maxp *= multi;
} else {
alloc_itd:
spin_unlock_irqrestore(&fotg210->lock, flags);
- itd = dma_pool_zalloc(fotg210->itd_pool, mem_flags,
+ itd = dma_pool_alloc(fotg210->itd_pool, mem_flags,
&itd_dma);
spin_lock_irqsave(&fotg210->lock, flags);
if (!itd) {
}
}
+ memset(itd, 0, sizeof(*itd));
itd->itd_dma = itd_dma;
list_add(&itd->itd_list, &sched->td_list);
}
/* HC need not update length with this error */
if (!(t & FOTG210_ISOC_BABBLE)) {
- desc->actual_length =
- fotg210_itdlen(urb, desc, t);
+ desc->actual_length = FOTG210_ITD_LENGTH(t);
urb->actual_length += desc->actual_length;
}
} else if (likely((t & FOTG210_ISOC_ACTIVE) == 0)) {
desc->status = 0;
- desc->actual_length = fotg210_itdlen(urb, desc, t);
+ desc->actual_length = FOTG210_ITD_LENGTH(t);
urb->actual_length += desc->actual_length;
} else {
/* URB was too late */
return fotg210_readl(fotg210, &fotg210->regs->frame_index);
}
-#define fotg210_itdlen(urb, desc, t) ({ \
- usb_pipein((urb)->pipe) ? \
- (desc)->length - FOTG210_ITD_LENGTH(t) : \
- FOTG210_ITD_LENGTH(t); \
-})
/*-------------------------------------------------------------------------*/
#endif /* __LINUX_FOTG210_H */
clk_prepare_enable(sohci_p->clk);
- retval = usb_add_hcd(hcd, platform_get_irq(pdev, 0), 0);
+ retval = usb_add_hcd(hcd, irq, 0);
if (retval == 0) {
device_wakeup_enable(hcd->self.controller);
return retval;
if (!cell)
return -EINVAL;
+ if (irq < 0)
+ return irq;
+
hcd = usb_create_hcd(&ohci_tmio_hc_driver, &dev->dev, dev_name(&dev->dev));
if (!hcd) {
ret = -ENOMEM;
int i;
dma_addr_t dma;
union xhci_trb *trb;
+ char str[XHCI_MSG_MAX];
for (i = 0; i < TRBS_PER_SEGMENT; i++) {
trb = &seg->trbs[i];
dma = seg->dma + i * sizeof(*trb);
seq_printf(s, "%pad: %s\n", &dma,
- xhci_decode_trb(le32_to_cpu(trb->generic.field[0]),
+ xhci_decode_trb(str, XHCI_MSG_MAX, le32_to_cpu(trb->generic.field[0]),
le32_to_cpu(trb->generic.field[1]),
le32_to_cpu(trb->generic.field[2]),
le32_to_cpu(trb->generic.field[3])));
struct xhci_slot_ctx *slot_ctx;
struct xhci_slot_priv *priv = s->private;
struct xhci_virt_device *dev = priv->dev;
+ char str[XHCI_MSG_MAX];
xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx);
seq_printf(s, "%pad: %s\n", &dev->out_ctx->dma,
- xhci_decode_slot_context(le32_to_cpu(slot_ctx->dev_info),
+ xhci_decode_slot_context(str,
+ le32_to_cpu(slot_ctx->dev_info),
le32_to_cpu(slot_ctx->dev_info2),
le32_to_cpu(slot_ctx->tt_info),
le32_to_cpu(slot_ctx->dev_state)));
struct xhci_ep_ctx *ep_ctx;
struct xhci_slot_priv *priv = s->private;
struct xhci_virt_device *dev = priv->dev;
+ char str[XHCI_MSG_MAX];
xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
dma = dev->out_ctx->dma + (ep_index + 1) * CTX_SIZE(xhci->hcc_params);
seq_printf(s, "%pad: %s\n", &dma,
- xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info),
+ xhci_decode_ep_context(str,
+ le32_to_cpu(ep_ctx->ep_info),
le32_to_cpu(ep_ctx->ep_info2),
le64_to_cpu(ep_ctx->deq),
le32_to_cpu(ep_ctx->tx_info)));
{
struct xhci_port *port = s->private;
u32 portsc;
+ char str[XHCI_MSG_MAX];
portsc = readl(port->addr);
- seq_printf(s, "%s\n", xhci_decode_portsc(portsc));
+ seq_printf(s, "%s\n", xhci_decode_portsc(str, portsc));
return 0;
}
status = 1;
}
if (!status && !reset_change) {
- xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ xhci_dbg(xhci, "%s: stopping usb%d port polling\n",
+ __func__, hcd->self.busnum);
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
}
spin_unlock_irqrestore(&xhci->lock, flags);
if (bus_state->resuming_ports || /* USB2 */
bus_state->port_remote_wakeup) { /* USB3 */
spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_dbg(xhci, "suspend failed because a port is resuming\n");
+ xhci_dbg(xhci, "usb%d bus suspend to fail because a port is resuming\n",
+ hcd->self.busnum);
return -EBUSY;
}
}
interval /= 1000;
}
- snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s\n",
+ snprintf(buf, DBG_BUF_EN, "%s ep%d%s %s, mpkt:%d, interval:%d/%d%s",
usb_speed_string(speed), usb_endpoint_num(epd),
usb_endpoint_dir_in(epd) ? "in" : "out",
usb_ep_type_string(usb_endpoint_type(epd)),
int bw_index;
virt_dev = xhci->devs[udev->slot_id];
+ if (!virt_dev->real_port) {
+ WARN_ONCE(1, "%s invalid real_port\n", dev_name(&udev->dev));
+ return NULL;
+ }
if (udev->speed >= USB_SPEED_SUPER) {
if (usb_endpoint_dir_out(&ep->desc))
}
}
-static struct mu3h_sch_ep_info *create_sch_ep(struct usb_device *udev,
- struct usb_host_endpoint *ep, struct xhci_ep_ctx *ep_ctx)
+static struct mu3h_sch_ep_info *
+create_sch_ep(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
+ struct usb_host_endpoint *ep, struct xhci_ep_ctx *ep_ctx)
{
struct mu3h_sch_ep_info *sch_ep;
+ struct mu3h_sch_bw_info *bw_info;
struct mu3h_sch_tt *tt = NULL;
u32 len_bw_budget_table;
size_t mem_size;
+ bw_info = get_bw_info(mtk, udev, ep);
+ if (!bw_info)
+ return ERR_PTR(-ENODEV);
+
if (is_fs_or_ls(udev->speed))
len_bw_budget_table = TT_MICROFRAMES_MAX;
else if ((udev->speed >= USB_SPEED_SUPER)
}
}
+ sch_ep->bw_info = bw_info;
sch_ep->sch_tt = tt;
sch_ep->ep = ep;
sch_ep->speed = udev->speed;
INIT_LIST_HEAD(&sch_ep->endpoint);
INIT_LIST_HEAD(&sch_ep->tt_endpoint);
+ INIT_HLIST_NODE(&sch_ep->hentry);
return sch_ep;
}
CTX_TO_MAX_ESIT_PAYLOAD(le32_to_cpu(ep_ctx->tx_info));
sch_ep->esit = get_esit(ep_ctx);
+ sch_ep->num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
sch_ep->ep_type = ep_type;
sch_ep->maxpkt = maxpkt;
sch_ep->offset = 0;
static u32 get_max_bw(struct mu3h_sch_bw_info *sch_bw,
struct mu3h_sch_ep_info *sch_ep, u32 offset)
{
- u32 num_esit;
u32 max_bw = 0;
u32 bw;
- int i;
- int j;
+ int i, j, k;
- num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
- for (i = 0; i < num_esit; i++) {
+ for (i = 0; i < sch_ep->num_esit; i++) {
u32 base = offset + i * sch_ep->esit;
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
- bw = sch_bw->bus_bw[base + j] +
- sch_ep->bw_budget_table[j];
+ k = XHCI_MTK_BW_INDEX(base + j);
+ bw = sch_bw->bus_bw[k] + sch_ep->bw_budget_table[j];
if (bw > max_bw)
max_bw = bw;
}
static void update_bus_bw(struct mu3h_sch_bw_info *sch_bw,
struct mu3h_sch_ep_info *sch_ep, bool used)
{
- u32 num_esit;
u32 base;
- int i;
- int j;
+ int i, j, k;
- num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
- for (i = 0; i < num_esit; i++) {
+ for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
for (j = 0; j < sch_ep->num_budget_microframes; j++) {
+ k = XHCI_MTK_BW_INDEX(base + j);
if (used)
- sch_bw->bus_bw[base + j] +=
- sch_ep->bw_budget_table[j];
+ sch_bw->bus_bw[k] += sch_ep->bw_budget_table[j];
else
- sch_bw->bus_bw[base + j] -=
- sch_ep->bw_budget_table[j];
+ sch_bw->bus_bw[k] -= sch_ep->bw_budget_table[j];
}
}
}
static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
- u32 num_esit, tmp;
+ u32 tmp;
int base;
- int i, j;
+ int i, j, k;
- num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
- for (i = 0; i < num_esit; i++) {
+ for (i = 0; i < sch_ep->num_esit; i++) {
base = offset + i * sch_ep->esit;
/*
* Compared with hs bus, no matter what ep type,
* the hub will always delay one uframe to send data
*/
- for (j = 0; j < sch_ep->cs_count; j++) {
- tmp = tt->fs_bus_bw[base + j] + sch_ep->bw_cost_per_microframe;
+ for (j = 0; j < sch_ep->num_budget_microframes; j++) {
+ k = XHCI_MTK_BW_INDEX(base + j);
+ tmp = tt->fs_bus_bw[k] + sch_ep->bw_budget_table[j];
if (tmp > FS_PAYLOAD_MAX)
return -ESCH_BW_OVERFLOW;
}
static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
{
struct mu3h_sch_tt *tt = sch_ep->sch_tt;
- u32 base, num_esit;
- int bw_updated;
- int i, j;
-
- num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
-
- if (used)
- bw_updated = sch_ep->bw_cost_per_microframe;
- else
- bw_updated = -sch_ep->bw_cost_per_microframe;
+ u32 base;
+ int i, j, k;
- for (i = 0; i < num_esit; i++) {
+ for (i = 0; i < sch_ep->num_esit; i++) {
base = sch_ep->offset + i * sch_ep->esit;
- for (j = 0; j < sch_ep->cs_count; j++)
- tt->fs_bus_bw[base + j] += bw_updated;
+ for (j = 0; j < sch_ep->num_budget_microframes; j++) {
+ k = XHCI_MTK_BW_INDEX(base + j);
+ if (used)
+ tt->fs_bus_bw[k] += sch_ep->bw_budget_table[j];
+ else
+ tt->fs_bus_bw[k] -= sch_ep->bw_budget_table[j];
+ }
}
if (used)
return 0;
}
-static u32 get_esit_boundary(struct mu3h_sch_ep_info *sch_ep)
-{
- u32 boundary = sch_ep->esit;
-
- if (sch_ep->sch_tt) { /* LS/FS with TT */
- /* tune for CS */
- if (sch_ep->ep_type != ISOC_OUT_EP)
- boundary++;
- else if (boundary > 1) /* normally esit >= 8 for FS/LS */
- boundary--;
- }
-
- return boundary;
-}
-
-static int check_sch_bw(struct mu3h_sch_bw_info *sch_bw,
- struct mu3h_sch_ep_info *sch_ep)
+static int check_sch_bw(struct mu3h_sch_ep_info *sch_ep)
{
- const u32 esit_boundary = get_esit_boundary(sch_ep);
+ struct mu3h_sch_bw_info *sch_bw = sch_ep->bw_info;
const u32 bw_boundary = get_bw_boundary(sch_ep->speed);
u32 offset;
u32 worst_bw;
if (ret)
continue;
- if ((offset + sch_ep->num_budget_microframes) > esit_boundary)
- break;
-
worst_bw = get_max_bw(sch_bw, sch_ep, offset);
if (worst_bw > bw_boundary)
continue;
return load_ep_bw(sch_bw, sch_ep, true);
}
-static void destroy_sch_ep(struct usb_device *udev,
- struct mu3h_sch_bw_info *sch_bw, struct mu3h_sch_ep_info *sch_ep)
+static void destroy_sch_ep(struct xhci_hcd_mtk *mtk, struct usb_device *udev,
+ struct mu3h_sch_ep_info *sch_ep)
{
/* only release ep bw check passed by check_sch_bw() */
if (sch_ep->allocated)
- load_ep_bw(sch_bw, sch_ep, false);
+ load_ep_bw(sch_ep->bw_info, sch_ep, false);
if (sch_ep->sch_tt)
drop_tt(udev);
list_del(&sch_ep->endpoint);
+ hlist_del(&sch_ep->hentry);
kfree(sch_ep);
}
-static bool need_bw_sch(struct usb_host_endpoint *ep,
- enum usb_device_speed speed, int has_tt)
+static bool need_bw_sch(struct usb_device *udev,
+ struct usb_host_endpoint *ep)
{
+ bool has_tt = udev->tt && udev->tt->hub->parent;
+
/* only for periodic endpoints */
if (usb_endpoint_xfer_control(&ep->desc)
|| usb_endpoint_xfer_bulk(&ep->desc))
* a TT are also ignored, root-hub will schedule them directly,
* but need set @bpkts field of endpoint context to 1.
*/
- if (is_fs_or_ls(speed) && !has_tt)
+ if (is_fs_or_ls(udev->speed) && !has_tt)
return false;
/* skip endpoint with zero maxpkt */
struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd);
struct mu3h_sch_bw_info *sch_array;
int num_usb_bus;
- int i;
/* ss IN and OUT are separated */
num_usb_bus = xhci->usb3_rhub.num_ports * 2 + xhci->usb2_rhub.num_ports;
if (sch_array == NULL)
return -ENOMEM;
- for (i = 0; i < num_usb_bus; i++)
- INIT_LIST_HEAD(&sch_array[i].bw_ep_list);
-
mtk->sch_array = sch_array;
INIT_LIST_HEAD(&mtk->bw_ep_chk_list);
+ hash_init(mtk->sch_ep_hash);
return 0;
}
ep_index = xhci_get_endpoint_index(&ep->desc);
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
- xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
-
- if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info)) {
+ if (!need_bw_sch(udev, ep)) {
/*
* set @bpkts to 1 if it is LS or FS periodic endpoint, and its
* device does not connected through an external HS hub
return 0;
}
- sch_ep = create_sch_ep(udev, ep, ep_ctx);
+ xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
+
+ sch_ep = create_sch_ep(mtk, udev, ep, ep_ctx);
if (IS_ERR_OR_NULL(sch_ep))
return -ENOMEM;
setup_sch_info(ep_ctx, sch_ep);
list_add_tail(&sch_ep->endpoint, &mtk->bw_ep_chk_list);
+ hash_add(mtk->sch_ep_hash, &sch_ep->hentry, (unsigned long)ep);
return 0;
}
{
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct xhci_virt_device *virt_dev;
- struct mu3h_sch_bw_info *sch_bw;
- struct mu3h_sch_ep_info *sch_ep, *tmp;
-
- virt_dev = xhci->devs[udev->slot_id];
-
- xhci_dbg(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
+ struct mu3h_sch_ep_info *sch_ep;
+ struct hlist_node *hn;
- if (!need_bw_sch(ep, udev->speed, !!virt_dev->tt_info))
+ if (!need_bw_sch(udev, ep))
return;
- sch_bw = get_bw_info(mtk, udev, ep);
+ xhci_err(xhci, "%s %s\n", __func__, decode_ep(ep, udev->speed));
- list_for_each_entry_safe(sch_ep, tmp, &sch_bw->bw_ep_list, endpoint) {
+ hash_for_each_possible_safe(mtk->sch_ep_hash, sch_ep,
+ hn, hentry, (unsigned long)ep) {
if (sch_ep->ep == ep) {
- destroy_sch_ep(udev, sch_bw, sch_ep);
+ destroy_sch_ep(mtk, udev, sch_ep);
break;
}
}
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_virt_device *virt_dev = xhci->devs[udev->slot_id];
- struct mu3h_sch_bw_info *sch_bw;
- struct mu3h_sch_ep_info *sch_ep, *tmp;
+ struct mu3h_sch_ep_info *sch_ep;
int ret;
xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
list_for_each_entry(sch_ep, &mtk->bw_ep_chk_list, endpoint) {
- sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
+ struct xhci_ep_ctx *ep_ctx;
+ struct usb_host_endpoint *ep = sch_ep->ep;
+ unsigned int ep_index = xhci_get_endpoint_index(&ep->desc);
- ret = check_sch_bw(sch_bw, sch_ep);
+ ret = check_sch_bw(sch_ep);
if (ret) {
xhci_err(xhci, "Not enough bandwidth! (%s)\n",
sch_error_string(-ret));
return -ENOSPC;
}
- }
-
- list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
- struct xhci_ep_ctx *ep_ctx;
- struct usb_host_endpoint *ep = sch_ep->ep;
- unsigned int ep_index = xhci_get_endpoint_index(&ep->desc);
-
- sch_bw = get_bw_info(mtk, udev, ep);
- list_move_tail(&sch_ep->endpoint, &sch_bw->bw_ep_list);
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->in_ctx, ep_index);
ep_ctx->reserved[0] = cpu_to_le32(EP_BPKTS(sch_ep->pkts)
sch_ep->offset, sch_ep->repeat);
}
- return xhci_check_bandwidth(hcd, udev);
+ ret = xhci_check_bandwidth(hcd, udev);
+ if (!ret)
+ INIT_LIST_HEAD(&mtk->bw_ep_chk_list);
+
+ return ret;
}
void xhci_mtk_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
{
struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- struct mu3h_sch_bw_info *sch_bw;
struct mu3h_sch_ep_info *sch_ep, *tmp;
xhci_dbg(xhci, "%s() udev %s\n", __func__, dev_name(&udev->dev));
- list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint) {
- sch_bw = get_bw_info(mtk, udev, sch_ep->ep);
- destroy_sch_ep(udev, sch_bw, sch_ep);
- }
+ list_for_each_entry_safe(sch_ep, tmp, &mtk->bw_ep_chk_list, endpoint)
+ destroy_sch_ep(mtk, udev, sch_ep);
xhci_reset_bandwidth(hcd, udev);
}
/* u2_phy_pll register */
#define CTRL_U2_FORCE_PLL_STB BIT(28)
+/* xHCI CSR */
+#define LS_EOF_CFG 0x930
+#define LSEOF_OFFSET 0x89
+
+#define FS_EOF_CFG 0x934
+#define FSEOF_OFFSET 0x2e
+
+#define SS_GEN1_EOF_CFG 0x93c
+#define SSG1EOF_OFFSET 0x78
+
+#define HFCNTR_CFG 0x944
+#define ITP_DELTA_CLK (0xa << 1)
+#define ITP_DELTA_CLK_MASK GENMASK(5, 1)
+#define FRMCNT_LEV1_RANG (0x12b << 8)
+#define FRMCNT_LEV1_RANG_MASK GENMASK(19, 8)
+
+#define SS_GEN2_EOF_CFG 0x990
+#define SSG2EOF_OFFSET 0x3c
+
+#define XSEOF_OFFSET_MASK GENMASK(11, 0)
+
/* usb remote wakeup registers in syscon */
/* mt8173 etc */
SSUSB_UWK_V1_2, /* specific revision 1.2 */
};
+/*
+ * MT8195 has 4 controllers, the controller1~3's default SOF/ITP interval
+ * is calculated from the frame counter clock 24M, but in fact, the clock
+ * is 48M, add workaround for it.
+ */
+static void xhci_mtk_set_frame_interval(struct xhci_hcd_mtk *mtk)
+{
+ struct device *dev = mtk->dev;
+ struct usb_hcd *hcd = mtk->hcd;
+ u32 value;
+
+ if (!of_device_is_compatible(dev->of_node, "mediatek,mt8195-xhci"))
+ return;
+
+ value = readl(hcd->regs + HFCNTR_CFG);
+ value &= ~(ITP_DELTA_CLK_MASK | FRMCNT_LEV1_RANG_MASK);
+ value |= (ITP_DELTA_CLK | FRMCNT_LEV1_RANG);
+ writel(value, hcd->regs + HFCNTR_CFG);
+
+ value = readl(hcd->regs + LS_EOF_CFG);
+ value &= ~XSEOF_OFFSET_MASK;
+ value |= LSEOF_OFFSET;
+ writel(value, hcd->regs + LS_EOF_CFG);
+
+ value = readl(hcd->regs + FS_EOF_CFG);
+ value &= ~XSEOF_OFFSET_MASK;
+ value |= FSEOF_OFFSET;
+ writel(value, hcd->regs + FS_EOF_CFG);
+
+ value = readl(hcd->regs + SS_GEN1_EOF_CFG);
+ value &= ~XSEOF_OFFSET_MASK;
+ value |= SSG1EOF_OFFSET;
+ writel(value, hcd->regs + SS_GEN1_EOF_CFG);
+
+ value = readl(hcd->regs + SS_GEN2_EOF_CFG);
+ value &= ~XSEOF_OFFSET_MASK;
+ value |= SSG2EOF_OFFSET;
+ writel(value, hcd->regs + SS_GEN2_EOF_CFG);
+}
+
static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk)
{
struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs;
writel(value, &ippc->u3_ctrl_p[i]);
}
- /* power on and enable all u2 ports */
+ /* power on and enable all u2 ports except skipped ones */
for (i = 0; i < mtk->num_u2_ports; i++) {
+ if (BIT(i) & mtk->u2p_dis_msk)
+ continue;
+
value = readl(&ippc->u2_ctrl_p[i]);
value &= ~(CTRL_U2_PORT_PDN | CTRL_U2_PORT_DIS);
value |= CTRL_U2_PORT_HOST_SEL;
writel(value, &ippc->u3_ctrl_p[i]);
}
- /* power down all u2 ports */
+ /* power down all u2 ports except skipped ones */
for (i = 0; i < mtk->num_u2_ports; i++) {
+ if (BIT(i) & mtk->u2p_dis_msk)
+ continue;
+
value = readl(&ippc->u2_ctrl_p[i]);
value |= CTRL_U2_PORT_PDN;
writel(value, &ippc->u2_ctrl_p[i]);
ret = xhci_mtk_ssusb_config(mtk);
if (ret)
return ret;
+
+ /* workaround only for mt8195 */
+ xhci_mtk_set_frame_interval(mtk);
}
ret = xhci_gen_setup(hcd, xhci_mtk_quirks);
/* optional property, ignore the error if it does not exist */
of_property_read_u32(node, "mediatek,u3p-dis-msk",
&mtk->u3p_dis_msk);
+ of_property_read_u32(node, "mediatek,u2p-dis-msk",
+ &mtk->u2p_dis_msk);
ret = usb_wakeup_of_property_parse(mtk, node);
if (ret) {
xhci_mtk_ldos_disable(mtk);
disable_pm:
- pm_runtime_put_sync_autosuspend(dev);
+ pm_runtime_put_noidle(dev);
pm_runtime_disable(dev);
return ret;
}
static const struct of_device_id mtk_xhci_of_match[] = {
{ .compatible = "mediatek,mt8173-xhci"},
+ { .compatible = "mediatek,mt8195-xhci"},
{ .compatible = "mediatek,mtk-xhci"},
{ },
};
#define _XHCI_MTK_H_
#include <linux/clk.h>
+#include <linux/hashtable.h>
#include "xhci.h"
#define BULK_CLKS_NUM 5
+/* support at most 64 ep, use 32 size hash table */
+#define SCH_EP_HASH_BITS 5
+
/**
* To simplify scheduler algorithm, set a upper limit for ESIT,
* if a synchromous ep's ESIT is larger than @XHCI_MTK_MAX_ESIT,
* round down to the limit value, that means allocating more
* bandwidth to it.
*/
-#define XHCI_MTK_MAX_ESIT 64
+#define XHCI_MTK_MAX_ESIT (1 << 6)
+#define XHCI_MTK_BW_INDEX(x) ((x) & (XHCI_MTK_MAX_ESIT - 1))
/**
* @fs_bus_bw: array to keep track of bandwidth already used for FS
* struct mu3h_sch_bw_info: schedule information for bandwidth domain
*
* @bus_bw: array to keep track of bandwidth already used at each uframes
- * @bw_ep_list: eps in the bandwidth domain
*
* treat a HS root port as a bandwidth domain, but treat a SS root port as
* two bandwidth domains, one for IN eps and another for OUT eps.
*/
struct mu3h_sch_bw_info {
u32 bus_bw[XHCI_MTK_MAX_ESIT];
- struct list_head bw_ep_list;
};
/**
* struct mu3h_sch_ep_info: schedule information for endpoint
*
* @esit: unit is 125us, equal to 2 << Interval field in ep-context
+ * @num_esit: number of @esit in a period
* @num_budget_microframes: number of continuous uframes
* (@repeat==1) scheduled within the interval
* @bw_cost_per_microframe: bandwidth cost per microframe
+ * @hentry: hash table entry
* @endpoint: linked into bandwidth domain which it belongs to
* @tt_endpoint: linked into mu3h_sch_tt's list which it belongs to
+ * @bw_info: bandwidth domain which this endpoint belongs
* @sch_tt: mu3h_sch_tt linked into
* @ep_type: endpoint type
* @maxpkt: max packet size of endpoint
*/
struct mu3h_sch_ep_info {
u32 esit;
+ u32 num_esit;
u32 num_budget_microframes;
u32 bw_cost_per_microframe;
struct list_head endpoint;
+ struct hlist_node hentry;
struct list_head tt_endpoint;
+ struct mu3h_sch_bw_info *bw_info;
struct mu3h_sch_tt *sch_tt;
u32 ep_type;
u32 maxpkt;
struct usb_hcd *hcd;
struct mu3h_sch_bw_info *sch_array;
struct list_head bw_ep_chk_list;
+ DECLARE_HASHTABLE(sch_ep_hash, SCH_EP_HASH_BITS);
struct mu3c_ippc_regs __iomem *ippc_regs;
int num_u2_ports;
int num_u3_ports;
+ int u2p_dis_msk;
int u3p_dis_msk;
struct regulator *vusb33;
struct regulator *vbus;
err = renesas_fw_check_running(pdev);
/* Continue ahead, if the firmware is already running. */
- if (err == 0)
+ if (!err)
return 0;
/* no firmware interface available */
}
EXPORT_SYMBOL_GPL(renesas_xhci_check_request_fw);
-void renesas_xhci_pci_exit(struct pci_dev *dev)
-{
-}
-EXPORT_SYMBOL_GPL(renesas_xhci_pci_exit);
-
MODULE_LICENSE("GPL v2");
struct xhci_hcd *xhci;
xhci = hcd_to_xhci(pci_get_drvdata(dev));
- if (xhci->quirks & XHCI_RENESAS_FW_QUIRK)
- renesas_xhci_pci_exit(dev);
xhci->xhc_state |= XHCI_STATE_REMOVING;
#if IS_ENABLED(CONFIG_USB_XHCI_PCI_RENESAS)
int renesas_xhci_check_request_fw(struct pci_dev *dev,
const struct pci_device_id *id);
-void renesas_xhci_pci_exit(struct pci_dev *dev);
#else
static int renesas_xhci_check_request_fw(struct pci_dev *dev,
return 0;
}
-static void renesas_xhci_pci_exit(struct pci_dev *dev) { };
-
#endif
struct xhci_driver_data {
const struct soc_device_attribute *attr;
const char *firmware_name;
+ /*
+ * According to the datasheet, "Upon the completion of FW Download,
+ * there is no need to write or reload FW".
+ */
+ if (readl(regs + RCAR_USB3_DL_CTRL) & RCAR_USB3_DL_CTRL_FW_SUCCESS)
+ return 0;
+
attr = soc_device_match(rcar_quirks_match);
if (attr)
quirks = (uintptr_t)attr->data;
ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
- if (td->cancel_status == TD_CLEARED)
+ if (td->cancel_status == TD_CLEARED) {
+ xhci_dbg(ep->xhci, "%s: Giveback cancelled URB %p TD\n",
+ __func__, td->urb);
xhci_td_cleanup(ep->xhci, td, ring, td->status);
-
+ } else {
+ xhci_dbg(ep->xhci, "%s: Keep cancelled URB %p TD as cancel_status is %d\n",
+ __func__, td->urb, td->cancel_status);
+ }
if (ep->xhci->xhc_state & XHCI_STATE_DYING)
return;
}
goto done;
}
+ xhci_dbg(xhci, "%s-reset ep %u, slot %u\n",
+ (reset_type == EP_HARD_RESET) ? "Hard" : "Soft",
+ ep_index, slot_id);
+
ret = xhci_queue_reset_ep(xhci, command, slot_id, ep_index, reset_type);
done:
if (ret)
}
if (ep->ep_state & EP_HALTED) {
- xhci_dbg(xhci, "Reset ep command already pending\n");
+ xhci_dbg(xhci, "Reset ep command for ep_index %d already pending\n",
+ ep->ep_index);
return 0;
}
list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list, cancelled_td_list) {
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "Removing canceled TD starting at 0x%llx (dma).",
- (unsigned long long)xhci_trb_virt_to_dma(
- td->start_seg, td->first_trb));
+ "Removing canceled TD starting at 0x%llx (dma) in stream %u URB %p",
+ (unsigned long long)xhci_trb_virt_to_dma(
+ td->start_seg, td->first_trb),
+ td->urb->stream_id, td->urb);
list_del_init(&td->td_list);
ring = xhci_urb_to_transfer_ring(xhci, td->urb);
if (!ring) {
td->urb->stream_id);
hw_deq &= ~0xf;
- if (td->cancel_status == TD_HALTED) {
- cached_td = td;
- } else if (trb_in_td(xhci, td->start_seg, td->first_trb,
- td->last_trb, hw_deq, false)) {
+ if (td->cancel_status == TD_HALTED ||
+ trb_in_td(xhci, td->start_seg, td->first_trb, td->last_trb, hw_deq, false)) {
switch (td->cancel_status) {
case TD_CLEARED: /* TD is already no-op */
case TD_CLEARING_CACHE: /* set TR deq command already queued */
break;
case TD_DIRTY: /* TD is cached, clear it */
case TD_HALTED:
- /* FIXME stream case, several stopped rings */
+ td->cancel_status = TD_CLEARING_CACHE;
+ if (cached_td)
+ /* FIXME stream case, several stopped rings */
+ xhci_dbg(xhci,
+ "Move dq past stream %u URB %p instead of stream %u URB %p\n",
+ td->urb->stream_id, td->urb,
+ cached_td->urb->stream_id, cached_td->urb);
cached_td = td;
break;
}
td->cancel_status = TD_CLEARED;
}
}
- if (cached_td) {
- cached_td->cancel_status = TD_CLEARING_CACHE;
- err = xhci_move_dequeue_past_td(xhci, slot_id, ep->ep_index,
- cached_td->urb->stream_id,
- cached_td);
- /* Failed to move past cached td, try just setting it noop */
- if (err) {
- td_to_noop(xhci, ring, cached_td, false);
- cached_td->cancel_status = TD_CLEARED;
+ /* If there's no need to move the dequeue pointer then we're done */
+ if (!cached_td)
+ return 0;
+
+ err = xhci_move_dequeue_past_td(xhci, slot_id, ep->ep_index,
+ cached_td->urb->stream_id,
+ cached_td);
+ if (err) {
+ /* Failed to move past cached td, just set cached TDs to no-op */
+ list_for_each_entry_safe(td, tmp_td, &ep->cancelled_td_list, cancelled_td_list) {
+ if (td->cancel_status != TD_CLEARING_CACHE)
+ continue;
+ xhci_dbg(xhci, "Failed to clear cancelled cached URB %p, mark clear anyway\n",
+ td->urb);
+ td_to_noop(xhci, ring, td, false);
+ td->cancel_status = TD_CLEARED;
}
- cached_td = NULL;
}
return 0;
}
return;
case EP_STATE_RUNNING:
/* Race, HW handled stop ep cmd before ep was running */
+ xhci_dbg(xhci, "Stop ep completion ctx error, ep is running\n");
+
command = xhci_alloc_command(xhci, false, GFP_ATOMIC);
if (!command)
xhci_stop_watchdog_timer_in_irq(xhci, ep);
struct xhci_hcd *xhci = ep->xhci;
unsigned long flags;
u32 usbsts;
+ char str[XHCI_MSG_MAX];
spin_lock_irqsave(&xhci->lock, flags);
usbsts = readl(&xhci->op_regs->status);
xhci_warn(xhci, "xHCI host not responding to stop endpoint command.\n");
- xhci_warn(xhci, "USBSTS:%s\n", xhci_decode_usbsts(usbsts));
+ xhci_warn(xhci, "USBSTS:%s\n", xhci_decode_usbsts(str, usbsts));
ep->ep_state &= ~EP_STOP_CMD_PENDING;
ep_ring = xhci_urb_to_transfer_ring(ep->xhci, td->urb);
if (td->cancel_status == TD_CLEARING_CACHE) {
td->cancel_status = TD_CLEARED;
+ xhci_dbg(ep->xhci, "%s: Giveback cancelled URB %p TD\n",
+ __func__, td->urb);
xhci_td_cleanup(ep->xhci, td, ep_ring, td->status);
+ } else {
+ xhci_dbg(ep->xhci, "%s: Keep cancelled URB %p TD as cancel_status is %d\n",
+ __func__, td->urb, td->cancel_status);
}
}
cleanup:
* bits are still set. When an event occurs, switch over to
* polling to avoid losing status changes.
*/
- xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ xhci_dbg(xhci, "%s: starting usb%d port polling.\n",
+ __func__, hcd->self.busnum);
set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
spin_unlock(&xhci->lock);
/* Pass this up to the core */
#include "xhci.h"
#include "xhci-dbgcap.h"
-#define XHCI_MSG_MAX 500
-
DECLARE_EVENT_CLASS(xhci_log_msg,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf),
__field(u32, field1)
__field(u32, field2)
__field(u32, field3)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->type = ring->type;
__entry->field3 = le32_to_cpu(trb->field[3]);
),
TP_printk("%s: %s", xhci_ring_type_string(__entry->type),
- xhci_decode_trb(__entry->field0, __entry->field1,
+ xhci_decode_trb(__get_str(str), XHCI_MSG_MAX, __entry->field0, __entry->field1,
__entry->field2, __entry->field3)
)
);
__field(u32, info2)
__field(u64, deq)
__field(u32, tx_info)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->info = le32_to_cpu(ctx->ep_info);
__entry->deq = le64_to_cpu(ctx->deq);
__entry->tx_info = le32_to_cpu(ctx->tx_info);
),
- TP_printk("%s", xhci_decode_ep_context(__entry->info,
- __entry->info2, __entry->deq, __entry->tx_info)
+ TP_printk("%s", xhci_decode_ep_context(__get_str(str),
+ __entry->info, __entry->info2, __entry->deq, __entry->tx_info)
)
);
__field(u32, info2)
__field(u32, tt_info)
__field(u32, state)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->info = le32_to_cpu(ctx->dev_info);
__entry->tt_info = le64_to_cpu(ctx->tt_info);
__entry->state = le32_to_cpu(ctx->dev_state);
),
- TP_printk("%s", xhci_decode_slot_context(__entry->info,
- __entry->info2, __entry->tt_info,
- __entry->state)
+ TP_printk("%s", xhci_decode_slot_context(__get_str(str),
+ __entry->info, __entry->info2,
+ __entry->tt_info, __entry->state)
)
);
TP_STRUCT__entry(
__field(u32, drop)
__field(u32, add)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->drop = le32_to_cpu(ctrl_ctx->drop_flags);
__entry->add = le32_to_cpu(ctrl_ctx->add_flags);
),
- TP_printk("%s", xhci_decode_ctrl_ctx(__entry->drop, __entry->add)
+ TP_printk("%s", xhci_decode_ctrl_ctx(__get_str(str), __entry->drop, __entry->add)
)
);
TP_STRUCT__entry(
__field(u32, portnum)
__field(u32, portsc)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->portnum = portnum;
),
TP_printk("port-%d: %s",
__entry->portnum,
- xhci_decode_portsc(__entry->portsc)
+ xhci_decode_portsc(__get_str(str), __entry->portsc)
)
);
TP_STRUCT__entry(
__field(u32, slot)
__field(u32, doorbell)
+ __dynamic_array(char, str, XHCI_MSG_MAX)
),
TP_fast_assign(
__entry->slot = slot;
__entry->doorbell = doorbell;
),
TP_printk("Ring doorbell for %s",
- xhci_decode_doorbell(__entry->slot, __entry->doorbell)
+ xhci_decode_doorbell(__get_str(str), __entry->slot, __entry->doorbell)
)
);
xhci_dbc_suspend(xhci);
/* Don't poll the roothubs on bus suspend. */
- xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
+ xhci_dbg(xhci, "%s: stopping usb%d port polling.\n",
+ __func__, hcd->self.busnum);
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
del_timer_sync(&hcd->rh_timer);
clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
usb_asmedia_modifyflowcontrol(to_pci_dev(hcd->self.controller));
/* Re-enable port polling. */
- xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
+ xhci_dbg(xhci, "%s: starting usb%d port polling.\n",
+ __func__, hcd->self.busnum);
set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
usb_hcd_poll_rh_status(xhci->shared_hcd);
set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
{
unsigned long long timeout_ns;
- if (xhci->quirks & XHCI_INTEL_HOST)
- timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
- else
- timeout_ns = udev->u1_params.sel;
-
/* Prevent U1 if service interval is shorter than U1 exit latency */
if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
- if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) {
dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit latency\n");
return USB3_LPM_DISABLED;
}
}
+ if (xhci->quirks & XHCI_INTEL_HOST)
+ timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
+ else
+ timeout_ns = udev->u1_params.sel;
+
/* The U1 timeout is encoded in 1us intervals.
* Don't return a timeout of zero, because that's USB3_LPM_DISABLED.
*/
{
unsigned long long timeout_ns;
- if (xhci->quirks & XHCI_INTEL_HOST)
- timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
- else
- timeout_ns = udev->u2_params.sel;
-
/* Prevent U2 if service interval is shorter than U2 exit latency */
if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
- if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) {
dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit latency\n");
return USB3_LPM_DISABLED;
}
}
+ if (xhci->quirks & XHCI_INTEL_HOST)
+ timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
+ else
+ timeout_ns = udev->u2_params.sel;
+
/* The U2 timeout is encoded in 256us intervals */
timeout_ns = DIV_ROUND_UP_ULL(timeout_ns, 256 * 1000);
/* If the necessary timeout value is bigger than what we can set in the
#include "xhci-ext-caps.h"
#include "pci-quirks.h"
+/* max buffer size for trace and debug messages */
+#define XHCI_MSG_MAX 500
+
/* xHCI PCI Configuration Registers */
#define XHCI_SBRN_OFFSET (0x60)
}
}
-static inline const char *xhci_decode_trb(u32 field0, u32 field1, u32 field2,
- u32 field3)
+static inline const char *xhci_decode_trb(char *str, size_t size,
+ u32 field0, u32 field1, u32 field2, u32 field3)
{
- static char str[256];
int type = TRB_FIELD_TO_TYPE(field3);
switch (type) {
case TRB_LINK:
- sprintf(str,
+ snprintf(str, size,
"LINK %08x%08x intr %d type '%s' flags %c:%c:%c:%c",
field1, field0, GET_INTR_TARGET(field2),
xhci_trb_type_string(type),
case TRB_HC_EVENT:
case TRB_DEV_NOTE:
case TRB_MFINDEX_WRAP:
- sprintf(str,
+ snprintf(str, size,
"TRB %08x%08x status '%s' len %d slot %d ep %d type '%s' flags %c:%c",
field1, field0,
xhci_trb_comp_code_string(GET_COMP_CODE(field2)),
break;
case TRB_SETUP:
- sprintf(str, "bRequestType %02x bRequest %02x wValue %02x%02x wIndex %02x%02x wLength %d length %d TD size %d intr %d type '%s' flags %c:%c:%c",
+ snprintf(str, size,
+ "bRequestType %02x bRequest %02x wValue %02x%02x wIndex %02x%02x wLength %d length %d TD size %d intr %d type '%s' flags %c:%c:%c",
field0 & 0xff,
(field0 & 0xff00) >> 8,
(field0 & 0xff000000) >> 24,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_DATA:
- sprintf(str, "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c",
+ snprintf(str, size,
+ "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c",
field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
GET_INTR_TARGET(field2),
xhci_trb_type_string(type),
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_STATUS:
- sprintf(str, "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c",
+ snprintf(str, size,
+ "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c",
field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
GET_INTR_TARGET(field2),
xhci_trb_type_string(type),
case TRB_ISOC:
case TRB_EVENT_DATA:
case TRB_TR_NOOP:
- sprintf(str,
+ snprintf(str, size,
"Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c:%c",
field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
GET_INTR_TARGET(field2),
case TRB_CMD_NOOP:
case TRB_ENABLE_SLOT:
- sprintf(str,
+ snprintf(str, size,
"%s: flags %c",
xhci_trb_type_string(type),
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_DISABLE_SLOT:
case TRB_NEG_BANDWIDTH:
- sprintf(str,
+ snprintf(str, size,
"%s: slot %d flags %c",
xhci_trb_type_string(type),
TRB_TO_SLOT_ID(field3),
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_ADDR_DEV:
- sprintf(str,
+ snprintf(str, size,
"%s: ctx %08x%08x slot %d flags %c:%c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_CONFIG_EP:
- sprintf(str,
+ snprintf(str, size,
"%s: ctx %08x%08x slot %d flags %c:%c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_EVAL_CONTEXT:
- sprintf(str,
+ snprintf(str, size,
"%s: ctx %08x%08x slot %d flags %c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_RESET_EP:
- sprintf(str,
+ snprintf(str, size,
"%s: ctx %08x%08x slot %d ep %d flags %c:%c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_SET_DEQ:
- sprintf(str,
+ snprintf(str, size,
"%s: deq %08x%08x stream %d slot %d ep %d flags %c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_RESET_DEV:
- sprintf(str,
+ snprintf(str, size,
"%s: slot %d flags %c",
xhci_trb_type_string(type),
TRB_TO_SLOT_ID(field3),
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_FORCE_EVENT:
- sprintf(str,
+ snprintf(str, size,
"%s: event %08x%08x vf intr %d vf id %d flags %c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_SET_LT:
- sprintf(str,
+ snprintf(str, size,
"%s: belt %d flags %c",
xhci_trb_type_string(type),
TRB_TO_BELT(field3),
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_GET_BW:
- sprintf(str,
+ snprintf(str, size,
"%s: ctx %08x%08x slot %d speed %d flags %c",
xhci_trb_type_string(type),
field1, field0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
case TRB_FORCE_HEADER:
- sprintf(str,
+ snprintf(str, size,
"%s: info %08x%08x%08x pkt type %d roothub port %d flags %c",
xhci_trb_type_string(type),
field2, field1, field0 & 0xffffffe0,
field3 & TRB_CYCLE ? 'C' : 'c');
break;
default:
- sprintf(str,
+ snprintf(str, size,
"type '%s' -> raw %08x %08x %08x %08x",
xhci_trb_type_string(type),
field0, field1, field2, field3);
return str;
}
-static inline const char *xhci_decode_ctrl_ctx(unsigned long drop,
- unsigned long add)
+static inline const char *xhci_decode_ctrl_ctx(char *str,
+ unsigned long drop, unsigned long add)
{
- static char str[1024];
unsigned int bit;
int ret = 0;
return str;
}
-static inline const char *xhci_decode_slot_context(u32 info, u32 info2,
- u32 tt_info, u32 state)
+static inline const char *xhci_decode_slot_context(char *str,
+ u32 info, u32 info2, u32 tt_info, u32 state)
{
- static char str[1024];
u32 speed;
u32 hub;
u32 mtt;
return "Unknown";
}
-static inline const char *xhci_decode_portsc(u32 portsc)
+static inline const char *xhci_decode_portsc(char *str, u32 portsc)
{
- static char str[256];
int ret;
ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ",
return str;
}
-static inline const char *xhci_decode_usbsts(u32 usbsts)
+static inline const char *xhci_decode_usbsts(char *str, u32 usbsts)
{
- static char str[256];
int ret = 0;
if (usbsts == ~(u32)0)
return str;
}
-static inline const char *xhci_decode_doorbell(u32 slot, u32 doorbell)
+static inline const char *xhci_decode_doorbell(char *str, u32 slot, u32 doorbell)
{
- static char str[256];
u8 ep;
u16 stream;
int ret;
}
}
-static inline const char *xhci_decode_ep_context(u32 info, u32 info2, u64 deq,
- u32 tx_info)
+static inline const char *xhci_decode_ep_context(char *str, u32 info,
+ u32 info2, u64 deq, u32 tx_info)
{
- static char str[1024];
int ret;
u32 esit;
{
struct isp1760_hcd *hcd = &isp->hcd;
struct isp1760_udc *udc = &isp->udc;
+ u32 otg_ctrl;
/* Low-level chip reset */
if (isp->rst_gpio) {
*
* TODO: Really support OTG. For now we configure port 1 in device mode
*/
- if (((isp->devflags & ISP1760_FLAG_ISP1761) ||
- (isp->devflags & ISP1760_FLAG_ISP1763)) &&
- (isp->devflags & ISP1760_FLAG_PERIPHERAL_EN)) {
- isp1760_field_set(hcd->fields, HW_DM_PULLDOWN);
- isp1760_field_set(hcd->fields, HW_DP_PULLDOWN);
- isp1760_field_set(hcd->fields, HW_OTG_DISABLE);
- } else {
- isp1760_field_set(hcd->fields, HW_SW_SEL_HC_DC);
- isp1760_field_set(hcd->fields, HW_VBUS_DRV);
- isp1760_field_set(hcd->fields, HW_SEL_CP_EXT);
+ if (isp->devflags & ISP1760_FLAG_ISP1761) {
+ if (isp->devflags & ISP1760_FLAG_PERIPHERAL_EN) {
+ otg_ctrl = (ISP176x_HW_DM_PULLDOWN_CLEAR |
+ ISP176x_HW_DP_PULLDOWN_CLEAR |
+ ISP176x_HW_OTG_DISABLE);
+ } else {
+ otg_ctrl = (ISP176x_HW_SW_SEL_HC_DC_CLEAR |
+ ISP176x_HW_VBUS_DRV |
+ ISP176x_HW_SEL_CP_EXT);
+ }
+ isp1760_reg_write(hcd->regs, ISP176x_HC_OTG_CTRL, otg_ctrl);
}
dev_info(isp->dev, "%s bus width: %u, oc: %s\n",
[HC_ISO_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_ISO_IRQ_MASK_AND, 0, 31),
[HC_INT_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_INT_IRQ_MASK_AND, 0, 31),
[HC_ATL_IRQ_MASK_AND] = REG_FIELD(ISP176x_HC_ATL_IRQ_MASK_AND, 0, 31),
- [HW_OTG_DISABLE] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 10, 10),
- [HW_SW_SEL_HC_DC] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 7, 7),
- [HW_VBUS_DRV] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 4, 4),
- [HW_SEL_CP_EXT] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 3, 3),
- [HW_DM_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 2, 2),
- [HW_DP_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 1, 1),
- [HW_DP_PULLUP] = REG_FIELD(ISP176x_HC_OTG_CTRL_SET, 0, 0),
- [HW_OTG_DISABLE_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 10, 10),
- [HW_SW_SEL_HC_DC_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 7, 7),
- [HW_VBUS_DRV_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 4, 4),
- [HW_SEL_CP_EXT_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 3, 3),
- [HW_DM_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 2, 2),
- [HW_DP_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 1, 1),
- [HW_DP_PULLUP_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL_CLEAR, 0, 0),
+ [HW_OTG_DISABLE_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 26, 26),
+ [HW_SW_SEL_HC_DC_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 23, 23),
+ [HW_VBUS_DRV_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 20, 20),
+ [HW_SEL_CP_EXT_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 19, 19),
+ [HW_DM_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 18, 18),
+ [HW_DP_PULLDOWN_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 17, 17),
+ [HW_DP_PULLUP_CLEAR] = REG_FIELD(ISP176x_HC_OTG_CTRL, 16, 16),
+ [HW_OTG_DISABLE] = REG_FIELD(ISP176x_HC_OTG_CTRL, 10, 10),
+ [HW_SW_SEL_HC_DC] = REG_FIELD(ISP176x_HC_OTG_CTRL, 7, 7),
+ [HW_VBUS_DRV] = REG_FIELD(ISP176x_HC_OTG_CTRL, 4, 4),
+ [HW_SEL_CP_EXT] = REG_FIELD(ISP176x_HC_OTG_CTRL, 3, 3),
+ [HW_DM_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL, 2, 2),
+ [HW_DP_PULLDOWN] = REG_FIELD(ISP176x_HC_OTG_CTRL, 1, 1),
+ [HW_DP_PULLUP] = REG_FIELD(ISP176x_HC_OTG_CTRL, 0, 0),
};
static const struct reg_field isp1763_hc_reg_fields[] = {
(devflags & ISP1760_FLAG_ISP1761));
if ((!IS_ENABLED(CONFIG_USB_ISP1760_HCD) || usb_disabled()) &&
- (!IS_ENABLED(CONFIG_USB_ISP1761_UDC) || !udc_enabled))
+ (!udc_enabled || !IS_ENABLED(CONFIG_USB_ISP1761_UDC)))
return -ENODEV;
isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL);
return ret;
}
- if (IS_ENABLED(CONFIG_USB_ISP1761_UDC) && udc_enabled) {
+ if (udc_enabled && IS_ENABLED(CONFIG_USB_ISP1761_UDC)) {
ret = isp1760_udc_register(isp, irq, irqflags);
if (ret < 0) {
isp1760_hcd_unregister(hcd);
struct urb *urb;
};
-static const u32 isp1763_hc_portsc1_fields[] = {
+static const u32 isp176x_hc_portsc1_fields[] = {
[PORT_OWNER] = BIT(13),
[PORT_POWER] = BIT(12),
[PORT_LSTATUS] = BIT(10),
}
/*
- * We need, in isp1763, to write directly the values to the portsc1
+ * We need, in isp176x, to write directly the values to the portsc1
* register so it will make the other values to trigger.
*/
static void isp1760_hcd_portsc1_set_clear(struct isp1760_hcd *priv, u32 field,
u32 val)
{
- u32 bit = isp1763_hc_portsc1_fields[field];
- u32 port_status = readl(priv->base + ISP1763_HC_PORTSC1);
+ u32 bit = isp176x_hc_portsc1_fields[field];
+ u16 portsc1_reg = priv->is_isp1763 ? ISP1763_HC_PORTSC1 :
+ ISP176x_HC_PORTSC1;
+ u32 port_status = readl(priv->base + portsc1_reg);
if (val)
- writel(port_status | bit, priv->base + ISP1763_HC_PORTSC1);
+ writel(port_status | bit, priv->base + portsc1_reg);
else
- writel(port_status & ~bit, priv->base + ISP1763_HC_PORTSC1);
+ writel(port_status & ~bit, priv->base + portsc1_reg);
}
static void isp1760_hcd_write(struct usb_hcd *hcd, u32 field, u32 val)
{
struct isp1760_hcd *priv = hcd_to_priv(hcd);
- if (unlikely(priv->is_isp1763 &&
- (field >= PORT_OWNER && field <= PORT_CONNECT)))
+ if (unlikely((field >= PORT_OWNER && field <= PORT_CONNECT)))
return isp1760_hcd_portsc1_set_clear(priv, field, val);
isp1760_field_write(priv->fields, field, val);
isp1760_hcd_set(hcd, field);
return regmap_field_read_poll_timeout(priv->fields[field], val,
- val, 10, timeout_us);
+ val, 0, timeout_us);
}
static int isp1760_hcd_set_and_wait_swap(struct usb_hcd *hcd, u32 field,
isp1760_hcd_set(hcd, field);
return regmap_field_read_poll_timeout(priv->fields[field], val,
- !val, 10, timeout_us);
+ !val, 0, timeout_us);
}
static int isp1760_hcd_clear_and_wait(struct usb_hcd *hcd, u32 field,
isp1760_hcd_clear(hcd, field);
return regmap_field_read_poll_timeout(priv->fields[field], val,
- !val, 10, timeout_us);
+ !val, 0, timeout_us);
}
static bool isp1760_hcd_is_set(struct usb_hcd *hcd, u32 field)
{
struct isp1760_hcd *priv = hcd_to_priv(hcd);
- isp1760_hcd_write(hcd, MEM_BANK_SEL, ISP_BANK_0);
- isp1760_hcd_write(hcd, MEM_START_ADDR, src_offset);
+ isp1760_reg_write(priv->regs, ISP176x_HC_MEMORY, src_offset);
ndelay(100);
bank_reads8(priv->base, src_offset, ISP_BANK_0, dst, bytes);
u16 src_offset = ptd_offset + slot * sizeof(*ptd);
struct isp1760_hcd *priv = hcd_to_priv(hcd);
- isp1760_hcd_write(hcd, MEM_BANK_SEL, ISP_BANK_0);
- isp1760_hcd_write(hcd, MEM_START_ADDR, src_offset);
+ isp1760_reg_write(priv->regs, ISP176x_HC_MEMORY, src_offset);
ndelay(90);
bank_reads8(priv->base, src_offset, ISP_BANK_0, (void *)ptd,
payload_addr = PAYLOAD_OFFSET;
- for (i = 0, curr = 0; i < ARRAY_SIZE(mem->blocks); i++) {
- for (j = 0; j < mem->blocks[i]; j++, curr++) {
+ for (i = 0, curr = 0; i < ARRAY_SIZE(mem->blocks); i++, curr += j) {
+ for (j = 0; j < mem->blocks[i]; j++) {
priv->memory_pool[curr + j].start = payload_addr;
priv->memory_pool[curr + j].size = mem->blocks_size[i];
priv->memory_pool[curr + j].free = 1;
isp1760_hcd_write(hcd, HC_SCRATCH, pattern);
- /* Change bus pattern */
- scratch = isp1760_hcd_read(hcd, HC_CHIP_ID_HIGH);
- dev_err(hcd->self.controller, "Scratch test 0x%08x\n", scratch);
+ /*
+ * we do not care about the read value here we just want to
+ * change bus pattern.
+ */
+ isp1760_hcd_read(hcd, HC_CHIP_ID_HIGH);
scratch = isp1760_hcd_read(hcd, HC_SCRATCH);
if (scratch != pattern) {
- dev_err(hcd->self.controller, "Scratch test failed. 0x%08x\n", scratch);
+ dev_err(hcd->self.controller, "Scratch test failed. 0x%08x\n",
+ scratch);
return -ENODEV;
}
goto cleanup;
if (len > mem->blocks_size[ISP176x_BLOCK_NUM - 1])
- len = mem->blocks_size[ISP176x_BLOCK_NUM - 1];
+ this_qtd_len = mem->blocks_size[ISP176x_BLOCK_NUM - 1];
+ else
+ this_qtd_len = len;
- this_qtd_len = qtd_fill(qtd, buf, len);
+ this_qtd_len = qtd_fill(qtd, buf, this_qtd_len);
list_add_tail(&qtd->qtd_list, head);
len -= this_qtd_len;
packet_type = OUT_PID;
else
packet_type = IN_PID;
- } else if (usb_pipebulk(urb->pipe)
+ } else if (usb_pipebulk(urb->pipe) && maxpacketsize
&& (urb->transfer_flags & URB_ZERO_PACKET)
&& !(urb->transfer_buffer_length %
maxpacketsize)) {
if (list_empty(&new_qtds))
return -ENOMEM;
- retval = 0;
spin_lock_irqsave(&priv->lock, spinflags);
if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
/* We need to forcefully reclaim the slot since some transfers never
return, e.g. interrupt transfers and NAKed bulk transfers. */
if (usb_pipecontrol(urb->pipe) || usb_pipebulk(urb->pipe)) {
- skip_map = isp1760_hcd_read(hcd, HC_ATL_PTD_SKIPMAP);
- skip_map |= (1 << qh->slot);
- isp1760_hcd_write(hcd, HC_ATL_PTD_SKIPMAP, skip_map);
- ndelay(100);
+ if (qh->slot != -1) {
+ skip_map = isp1760_hcd_read(hcd, HC_ATL_PTD_SKIPMAP);
+ skip_map |= (1 << qh->slot);
+ isp1760_hcd_write(hcd, HC_ATL_PTD_SKIPMAP, skip_map);
+ ndelay(100);
+ }
priv->atl_slots[qh->slot].qh = NULL;
priv->atl_slots[qh->slot].qtd = NULL;
} else {
- skip_map = isp1760_hcd_read(hcd, HC_INT_PTD_SKIPMAP);
- skip_map |= (1 << qh->slot);
- isp1760_hcd_write(hcd, HC_INT_PTD_SKIPMAP, skip_map);
+ if (qh->slot != -1) {
+ skip_map = isp1760_hcd_read(hcd, HC_INT_PTD_SKIPMAP);
+ skip_map |= (1 << qh->slot);
+ isp1760_hcd_write(hcd, HC_INT_PTD_SKIPMAP, skip_map);
+ }
priv->int_slots[qh->slot].qh = NULL;
priv->int_slots[qh->slot].qtd = NULL;
}
SLAB_MEM_SPREAD, NULL);
if (!qtd_cachep)
- return -ENOMEM;
+ goto destroy_urb_listitem;
qh_cachep = kmem_cache_create("isp1760_qh", sizeof(struct isp1760_qh),
0, SLAB_TEMPORARY | SLAB_MEM_SPREAD, NULL);
- if (!qh_cachep) {
- kmem_cache_destroy(qtd_cachep);
- return -ENOMEM;
- }
+ if (!qh_cachep)
+ goto destroy_qtd;
return 0;
+
+destroy_qtd:
+ kmem_cache_destroy(qtd_cachep);
+
+destroy_urb_listitem:
+ kmem_cache_destroy(urb_listitem_cachep);
+
+ return -ENOMEM;
}
void isp1760_deinit_kmem_cache(void)
#define ISP176x_HC_INT_IRQ_MASK_AND 0x328
#define ISP176x_HC_ATL_IRQ_MASK_AND 0x32c
+#define ISP176x_HC_OTG_CTRL 0x374
#define ISP176x_HC_OTG_CTRL_SET 0x374
#define ISP176x_HC_OTG_CTRL_CLEAR 0x376
#define ISP176x_DC_IESUSP BIT(3)
#define ISP176x_DC_IEBRST BIT(0)
+#define ISP176x_HW_OTG_DISABLE_CLEAR BIT(26)
+#define ISP176x_HW_SW_SEL_HC_DC_CLEAR BIT(23)
+#define ISP176x_HW_VBUS_DRV_CLEAR BIT(20)
+#define ISP176x_HW_SEL_CP_EXT_CLEAR BIT(19)
+#define ISP176x_HW_DM_PULLDOWN_CLEAR BIT(18)
+#define ISP176x_HW_DP_PULLDOWN_CLEAR BIT(17)
+#define ISP176x_HW_DP_PULLUP_CLEAR BIT(16)
+#define ISP176x_HW_OTG_DISABLE BIT(10)
+#define ISP176x_HW_SW_SEL_HC_DC BIT(7)
+#define ISP176x_HW_VBUS_DRV BIT(4)
+#define ISP176x_HW_SEL_CP_EXT BIT(3)
+#define ISP176x_HW_DM_PULLDOWN BIT(2)
+#define ISP176x_HW_DP_PULLDOWN BIT(1)
+#define ISP176x_HW_DP_PULLUP BIT(0)
+
#define ISP176x_DC_ENDPTYP_ISOC 0x01
#define ISP176x_DC_ENDPTYP_BULK 0x02
#define ISP176x_DC_ENDPTYP_INTERRUPT 0x03
status = isp1760_udc_irq_get_status(udc);
- if (status & DC_IEVBUS) {
+ if (status & ISP176x_DC_IEVBUS) {
dev_dbg(udc->isp->dev, "%s(VBUS)\n", __func__);
/* The VBUS interrupt is only triggered when VBUS appears. */
spin_lock(&udc->lock);
spin_unlock(&udc->lock);
}
- if (status & DC_IEBRST) {
+ if (status & ISP176x_DC_IEBRST) {
dev_dbg(udc->isp->dev, "%s(BRST)\n", __func__);
isp1760_udc_reset(udc);
}
}
- if (status & DC_IEP0SETUP) {
+ if (status & ISP176x_DC_IEP0SETUP) {
dev_dbg(udc->isp->dev, "%s(EP0SETUP)\n", __func__);
isp1760_ep0_setup(udc);
}
- if (status & DC_IERESM) {
+ if (status & ISP176x_DC_IERESM) {
dev_dbg(udc->isp->dev, "%s(RESM)\n", __func__);
isp1760_udc_resume(udc);
}
- if (status & DC_IESUSP) {
+ if (status & ISP176x_DC_IESUSP) {
dev_dbg(udc->isp->dev, "%s(SUSP)\n", __func__);
spin_lock(&udc->lock);
spin_unlock(&udc->lock);
}
- if (status & DC_IEHS_STA) {
+ if (status & ISP176x_DC_IEHS_STA) {
dev_dbg(udc->isp->dev, "%s(HS_STA)\n", __func__);
udc->gadget.speed = USB_SPEED_HIGH;
}
spin_lock_irqsave (&dev->buflock, flags);
if (dev->read_buffer_length) {
/* we secure access to the primary */
- char *tmp;
dev_dbg(&dev->udev->dev,
"%s : swap, read_buffer_length = %d\n",
__func__, dev->read_buffer_length);
- tmp = dev->read_buffer_secondary;
- dev->read_buffer_secondary = dev->read_buffer_primary;
- dev->read_buffer_primary = tmp;
+ swap(dev->read_buffer_primary, dev->read_buffer_secondary);
dev->secondary_head = 0;
dev->secondary_tail = dev->read_buffer_length;
dev->read_buffer_length = 0;
/* Enable interrupt for out pins */
irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
err = devm_request_irq(&pdev->dev, irq,
brcmstb_usb_pinmap_ovr_isr,
IRQF_TRIGGER_RISING,
* @id_nb : notifier for iddig(idpin) detection
* @dr_work : work for drd mode switch, used to avoid sleep in atomic context
* @desired_role : role desired to switch
+* @default_role : default mode while usb role is USB_ROLE_NONE
* @role_sw : use USB Role Switch to support dual-role switch, can't use
* extcon at the same time, and extcon is deprecated.
* @role_sw_used : true when the USB Role Switch is used.
struct notifier_block id_nb;
struct work_struct dr_work;
enum usb_role desired_role;
+ enum usb_role default_role;
struct usb_role_switch *role_sw;
bool role_sw_used;
bool is_u3_drd;
* host only, device only or dual-role mode
* @u2_ports: number of usb2.0 host ports
* @u3_ports: number of usb3.0 host ports
+ * @u2p_dis_msk: mask of disabling usb2 ports, e.g. bit0==1 to
+ * disable u2port0, bit1==1 to disable u2port1,... etc,
+ * but when use dual-role mode, can't disable u2port0
* @u3p_dis_msk: mask of disabling usb3 ports, for example, bit0==1 to
* disable u3port0, bit1==1 to disable u3port1,... etc
* @dbgfs_root: only used when supports manual dual-role switch via debugfs
void __iomem *ippc_base;
struct phy **phys;
int num_phys;
+ int wakeup_irq;
/* common power & clock */
struct regulator *vusb33;
struct clk_bulk_data clks[BULK_CLKS_CNT];
bool is_host;
int u2_ports;
int u3_ports;
+ int u2p_dis_msk;
int u3p_dis_msk;
struct dentry *dbgfs_root;
/* usb wakeup for host mode */
unsigned is_u3_ip:1;
unsigned delayed_status:1;
unsigned gen2cp:1;
+ unsigned connected:1;
u8 address;
u8 test_mode_nr;
mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
}
+static void mtu3_dev_power_on(struct mtu3 *mtu)
+{
+ void __iomem *ibase = mtu->ippc_base;
+
+ mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
+ if (mtu->is_u3_ip)
+ mtu3_clrbits(ibase, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
+
+ mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
+}
+
+static void mtu3_dev_power_down(struct mtu3 *mtu)
+{
+ void __iomem *ibase = mtu->ippc_base;
+
+ if (mtu->is_u3_ip)
+ mtu3_setbits(ibase, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
+
+ mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
+ mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
+}
+
/* reset U3D's device module. */
static void mtu3_device_reset(struct mtu3 *mtu)
{
mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
break;
case USB_SPEED_SUPER:
+ mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
SSUSB_U3_PORT_SSP_SPEED);
break;
case USB_SPEED_SUPER_PLUS:
- mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
+ mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
+ mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
SSUSB_U3_PORT_SSP_SPEED);
break;
default:
dev_dbg(mtu->dev, "%s devctl 0x%x\n", __func__,
mtu3_readl(mbase, U3D_DEVICE_CONTROL));
- mtu3_clrbits(mtu->ippc_base, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
- if (mtu->is_u3_ip)
- mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
-
- mtu3_clrbits(mtu->ippc_base, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
-
+ mtu3_dev_power_on(mtu);
mtu3_csr_init(mtu);
mtu3_set_speed(mtu, mtu->speed);
mtu3_dev_on_off(mtu, 0);
mtu->is_active = 0;
+ mtu3_dev_power_down(mtu);
+}
- if (mtu->is_u3_ip)
- mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
+static void mtu3_dev_suspend(struct mtu3 *mtu)
+{
+ if (!mtu->is_active)
+ return;
- mtu3_setbits(mtu->ippc_base, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
- mtu3_setbits(mtu->ippc_base, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
+ mtu3_intr_disable(mtu);
+ mtu3_dev_power_down(mtu);
+}
+
+static void mtu3_dev_resume(struct mtu3 *mtu)
+{
+ if (!mtu->is_active)
+ return;
+
+ mtu3_dev_power_on(mtu);
+ mtu3_intr_enable(mtu);
}
/* for non-ep0 */
mtu->g.speed = udev_speed;
mtu->g.ep0->maxpacket = maxpkt;
mtu->ep0_state = MU3D_EP0_STATE_SETUP;
+ mtu->connected = !!(udev_speed != USB_SPEED_UNKNOWN);
- if (udev_speed == USB_SPEED_UNKNOWN)
+ if (udev_speed == USB_SPEED_UNKNOWN) {
mtu3_gadget_disconnect(mtu);
- else
+ pm_runtime_put(mtu->dev);
+ } else {
+ pm_runtime_get(mtu->dev);
mtu3_ep0_setup(mtu);
+ }
return IRQ_HANDLED;
}
if (mtu == NULL)
return -ENOMEM;
- mtu->irq = platform_get_irq(pdev, 0);
- if (mtu->irq < 0)
- return mtu->irq;
+ mtu->irq = platform_get_irq_byname_optional(pdev, "device");
+ if (mtu->irq < 0) {
+ if (mtu->irq == -EPROBE_DEFER)
+ return mtu->irq;
+
+ /* for backward compatibility */
+ mtu->irq = platform_get_irq(pdev, 0);
+ if (mtu->irq < 0)
+ return mtu->irq;
+ }
dev_info(dev, "irq %d\n", mtu->irq);
mtu->mac_base = devm_platform_ioremap_resource_byname(pdev, "mac");
device_init_wakeup(ssusb->dev, false);
mtu3_hw_exit(mtu);
}
+
+bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb)
+{
+ struct mtu3 *mtu = ssusb->u3d;
+
+ /* host only, should wait for ip sleep */
+ if (!mtu)
+ return true;
+
+ /* device is started and pullup D+, ip can sleep */
+ if (mtu->is_active && mtu->softconnect)
+ return true;
+
+ /* ip can't sleep if not pullup D+ when support device mode */
+ return false;
+}
+
+int ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg)
+{
+ struct mtu3 *mtu = ssusb->u3d;
+
+ if (!mtu->gadget_driver)
+ return 0;
+
+ if (mtu->connected)
+ return -EBUSY;
+
+ mtu3_dev_suspend(mtu);
+ synchronize_irq(mtu->irq);
+
+ return 0;
+}
+
+int ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg)
+{
+ struct mtu3 *mtu = ssusb->u3d;
+
+ if (!mtu->gadget_driver)
+ return 0;
+
+ mtu3_dev_resume(mtu);
+
+ return 0;
+}
current_role = ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
- if (desired_role == USB_ROLE_NONE)
+ if (desired_role == USB_ROLE_NONE) {
+ /* the default mode is host as probe does */
desired_role = USB_ROLE_HOST;
+ if (otg_sx->default_role == USB_ROLE_DEVICE)
+ desired_role = USB_ROLE_DEVICE;
+ }
if (current_role == desired_role)
return;
dev_dbg(ssusb->dev, "set role : %s\n", usb_role_string(desired_role));
mtu3_dbg_trace(ssusb->dev, "set role : %s", usb_role_string(desired_role));
+ pm_runtime_get_sync(ssusb->dev);
switch (desired_role) {
case USB_ROLE_HOST:
default:
dev_err(ssusb->dev, "invalid role\n");
}
+ pm_runtime_put(ssusb->dev);
}
static void ssusb_set_mode(struct otg_switch_mtk *otg_sx, enum usb_role role)
{
struct usb_role_switch_desc role_sx_desc = { 0 };
struct ssusb_mtk *ssusb = otg_sx_to_ssusb(otg_sx);
+ struct device *dev = ssusb->dev;
+ enum usb_dr_mode mode;
if (!otg_sx->role_sw_used)
return 0;
+ mode = usb_get_role_switch_default_mode(dev);
+ if (mode == USB_DR_MODE_PERIPHERAL)
+ otg_sx->default_role = USB_ROLE_DEVICE;
+ else
+ otg_sx->default_role = USB_ROLE_HOST;
+
role_sx_desc.set = ssusb_role_sw_set;
role_sx_desc.get = ssusb_role_sw_get;
- role_sx_desc.fwnode = dev_fwnode(ssusb->dev);
+ role_sx_desc.fwnode = dev_fwnode(dev);
role_sx_desc.driver_data = ssusb;
- otg_sx->role_sw = usb_role_switch_register(ssusb->dev, &role_sx_desc);
+ otg_sx->role_sw = usb_role_switch_register(dev, &role_sx_desc);
+ if (IS_ERR(otg_sx->role_sw))
+ return PTR_ERR(otg_sx->role_sw);
- return PTR_ERR_OR_ZERO(otg_sx->role_sw);
+ ssusb_set_mode(otg_sx, otg_sx->default_role);
+
+ return 0;
}
int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
void ssusb_host_exit(struct ssusb_mtk *ssusb);
int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb,
struct device_node *dn);
-int ssusb_host_enable(struct ssusb_mtk *ssusb);
-int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend);
+int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped);
+int ssusb_host_suspend(struct ssusb_mtk *ssusb);
void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable);
#else
return 0;
}
-static inline int ssusb_host_enable(struct ssusb_mtk *ssusb)
+static inline int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped)
{
return 0;
}
-static inline int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend)
+static inline int ssusb_host_suspend(struct ssusb_mtk *ssusb)
{
return 0;
}
#if IS_ENABLED(CONFIG_USB_MTU3_GADGET) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
int ssusb_gadget_init(struct ssusb_mtk *ssusb);
void ssusb_gadget_exit(struct ssusb_mtk *ssusb);
+int ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg);
+int ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg);
+bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb);
+
#else
static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
{
static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
{}
+
+static inline int
+ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg)
+{
+ return 0;
+}
+
+static inline int
+ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg)
+{
+ return 0;
+}
+
+static inline bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb)
+{
+ return true;
+}
+
#endif
u32 interval = 0;
u32 mult = 0;
u32 burst = 0;
- int max_packet;
int ret;
desc = mep->desc;
comp_desc = mep->comp_desc;
mep->type = usb_endpoint_type(desc);
- max_packet = usb_endpoint_maxp(desc);
- mep->maxp = max_packet & GENMASK(10, 0);
+ mep->maxp = usb_endpoint_maxp(desc);
switch (mtu->g.speed) {
case USB_SPEED_SUPER:
usb_endpoint_xfer_int(desc)) {
interval = desc->bInterval;
interval = clamp_val(interval, 1, 16) - 1;
- burst = (max_packet & GENMASK(12, 11)) >> 11;
+ mult = usb_endpoint_maxp_mult(desc) - 1;
}
break;
default:
dev_dbg(mtu->dev, "%s (%s) for %sactive device\n", __func__,
is_on ? "on" : "off", mtu->is_active ? "" : "in");
+ pm_runtime_get_sync(mtu->dev);
+
/* we'd rather not pullup unless the device is active. */
spin_lock_irqsave(&mtu->lock, flags);
}
spin_unlock_irqrestore(&mtu->lock, flags);
+ pm_runtime_put(mtu->dev);
return 0;
}
}
dev_dbg(mtu->dev, "bind driver %s\n", driver->function);
+ pm_runtime_get_sync(mtu->dev);
spin_lock_irqsave(&mtu->lock, flags);
mtu3_start(mtu);
spin_unlock_irqrestore(&mtu->lock, flags);
+ pm_runtime_put(mtu->dev);
return 0;
}
*/
#include <linux/clk.h>
-#include <linux/iopoll.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
case SSUSB_UWK_V1_1:
reg = ssusb->uwk_reg_base + PERI_WK_CTRL0;
msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
- val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0;
+ val = enable ? (WC0_IS_EN | WC0_IS_C(0x1)) : 0;
break;
case SSUSB_UWK_V1_2:
reg = ssusb->uwk_reg_base + PERI_WK_CTRL0;
}
/* only configure ports will be used later */
-int ssusb_host_enable(struct ssusb_mtk *ssusb)
+static int ssusb_host_enable(struct ssusb_mtk *ssusb)
{
void __iomem *ibase = ssusb->ippc_base;
int num_u3p = ssusb->u3_ports;
/* power on and enable all u2 ports */
for (i = 0; i < num_u2p; i++) {
+ if ((0x1 << i) & ssusb->u2p_dis_msk)
+ continue;
+
value = mtu3_readl(ibase, SSUSB_U2_CTRL(i));
value &= ~(SSUSB_U2_PORT_PDN | SSUSB_U2_PORT_DIS);
value |= SSUSB_U2_PORT_HOST_SEL;
return ssusb_check_clocks(ssusb, check_clk);
}
-int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend)
+static int ssusb_host_disable(struct ssusb_mtk *ssusb)
{
void __iomem *ibase = ssusb->ippc_base;
int num_u3p = ssusb->u3_ports;
int num_u2p = ssusb->u2_ports;
u32 value;
- int ret;
int i;
/* power down and disable u3 ports except skipped ones */
continue;
value = mtu3_readl(ibase, SSUSB_U3_CTRL(i));
- value |= SSUSB_U3_PORT_PDN;
- value |= suspend ? 0 : SSUSB_U3_PORT_DIS;
+ value |= SSUSB_U3_PORT_PDN | SSUSB_U3_PORT_DIS;
mtu3_writel(ibase, SSUSB_U3_CTRL(i), value);
}
- /* power down and disable all u2 ports */
+ /* power down and disable u2 ports except skipped ones */
for (i = 0; i < num_u2p; i++) {
+ if ((0x1 << i) & ssusb->u2p_dis_msk)
+ continue;
+
value = mtu3_readl(ibase, SSUSB_U2_CTRL(i));
- value |= SSUSB_U2_PORT_PDN;
- value |= suspend ? 0 : SSUSB_U2_PORT_DIS;
+ value |= SSUSB_U2_PORT_PDN | SSUSB_U2_PORT_DIS;
mtu3_writel(ibase, SSUSB_U2_CTRL(i), value);
}
/* power down host ip */
mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN);
- if (!suspend)
- return 0;
+ return 0;
+}
- /* wait for host ip to sleep */
- ret = readl_poll_timeout(ibase + U3D_SSUSB_IP_PW_STS1, value,
- (value & SSUSB_IP_SLEEP_STS), 100, 100000);
- if (ret)
- dev_err(ssusb->dev, "ip sleep failed!!!\n");
+int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped)
+{
+ void __iomem *ibase = ssusb->ippc_base;
+ int u3p_skip_msk = ssusb->u3p_dis_msk;
+ int u2p_skip_msk = ssusb->u2p_dis_msk;
+ int num_u3p = ssusb->u3_ports;
+ int num_u2p = ssusb->u2_ports;
+ u32 value;
+ int i;
- return ret;
+ if (p0_skipped) {
+ u2p_skip_msk |= 0x1;
+ if (ssusb->otg_switch.is_u3_drd)
+ u3p_skip_msk |= 0x1;
+ }
+
+ /* power on host ip */
+ mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN);
+
+ /* power on u3 ports except skipped ones */
+ for (i = 0; i < num_u3p; i++) {
+ if ((0x1 << i) & u3p_skip_msk)
+ continue;
+
+ value = mtu3_readl(ibase, SSUSB_U3_CTRL(i));
+ value &= ~SSUSB_U3_PORT_PDN;
+ mtu3_writel(ibase, SSUSB_U3_CTRL(i), value);
+ }
+
+ /* power on all u2 ports except skipped ones */
+ for (i = 0; i < num_u2p; i++) {
+ if ((0x1 << i) & u2p_skip_msk)
+ continue;
+
+ value = mtu3_readl(ibase, SSUSB_U2_CTRL(i));
+ value &= ~SSUSB_U2_PORT_PDN;
+ mtu3_writel(ibase, SSUSB_U2_CTRL(i), value);
+ }
+
+ return 0;
+}
+
+/* here not skip port0 due to PDN can be set repeatedly */
+int ssusb_host_suspend(struct ssusb_mtk *ssusb)
+{
+ void __iomem *ibase = ssusb->ippc_base;
+ int num_u3p = ssusb->u3_ports;
+ int num_u2p = ssusb->u2_ports;
+ u32 value;
+ int i;
+
+ /* power down u3 ports except skipped ones */
+ for (i = 0; i < num_u3p; i++) {
+ if ((0x1 << i) & ssusb->u3p_dis_msk)
+ continue;
+
+ value = mtu3_readl(ibase, SSUSB_U3_CTRL(i));
+ value |= SSUSB_U3_PORT_PDN;
+ mtu3_writel(ibase, SSUSB_U3_CTRL(i), value);
+ }
+
+ /* power down u2 ports except skipped ones */
+ for (i = 0; i < num_u2p; i++) {
+ if ((0x1 << i) & ssusb->u2p_dis_msk)
+ continue;
+
+ value = mtu3_readl(ibase, SSUSB_U2_CTRL(i));
+ value |= SSUSB_U2_PORT_PDN;
+ mtu3_writel(ibase, SSUSB_U2_CTRL(i), value);
+ }
+
+ /* power down host ip */
+ mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN);
+
+ return 0;
}
static void ssusb_host_setup(struct ssusb_mtk *ssusb)
if (ssusb->is_host)
ssusb_set_vbus(&ssusb->otg_switch, 0);
- ssusb_host_disable(ssusb, false);
+ ssusb_host_disable(ssusb);
}
/*
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
#include "mtu3.h"
#include "mtu3_dr.h"
return 0;
}
+static int wait_for_ip_sleep(struct ssusb_mtk *ssusb)
+{
+ bool sleep_check = true;
+ u32 value;
+ int ret;
+
+ if (!ssusb->is_host)
+ sleep_check = ssusb_gadget_ip_sleep_check(ssusb);
+
+ if (!sleep_check)
+ return 0;
+
+ /* wait for ip enter sleep mode */
+ ret = readl_poll_timeout(ssusb->ippc_base + U3D_SSUSB_IP_PW_STS1, value,
+ (value & SSUSB_IP_SLEEP_STS), 100, 100000);
+ if (ret) {
+ dev_err(ssusb->dev, "ip sleep failed!!!\n");
+ ret = -EBUSY;
+ } else {
+ /* workaround: avoid wrong wakeup signal latch for some soc */
+ usleep_range(100, 200);
+ }
+
+ return ret;
+}
+
static int ssusb_phy_init(struct ssusb_mtk *ssusb)
{
int i;
if (IS_ERR(ssusb->ippc_base))
return PTR_ERR(ssusb->ippc_base);
+ ssusb->wakeup_irq = platform_get_irq_byname_optional(pdev, "wakeup");
+ if (ssusb->wakeup_irq == -EPROBE_DEFER)
+ return ssusb->wakeup_irq;
+
ssusb->dr_mode = usb_get_dr_mode(dev);
if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN)
ssusb->dr_mode = USB_DR_MODE_OTG;
/* optional property, ignore the error if it does not exist */
of_property_read_u32(node, "mediatek,u3p-dis-msk",
&ssusb->u3p_dis_msk);
+ of_property_read_u32(node, "mediatek,u2p-dis-msk",
+ &ssusb->u2p_dis_msk);
otg_sx->vbus = devm_regulator_get(dev, "vbus");
if (IS_ERR(otg_sx->vbus)) {
of_property_read_bool(node, "enable-manual-drd");
otg_sx->role_sw_used = of_property_read_bool(node, "usb-role-switch");
+ /* can't disable port0 when use dual-role mode */
+ ssusb->u2p_dis_msk &= ~0x1;
+
if (otg_sx->role_sw_used || otg_sx->manual_drd_enabled)
goto out;
}
out:
- dev_info(dev, "dr_mode: %d, is_u3_dr: %d, u3p_dis_msk: %x, drd: %s\n",
- ssusb->dr_mode, otg_sx->is_u3_drd, ssusb->u3p_dis_msk,
+ dev_info(dev, "dr_mode: %d, is_u3_dr: %d, drd: %s\n",
+ ssusb->dr_mode, otg_sx->is_u3_drd,
otg_sx->manual_drd_enabled ? "manual" : "auto");
+ dev_info(dev, "u2p_dis_msk: %x, u3p_dis_msk: %x\n",
+ ssusb->u2p_dis_msk, ssusb->u3p_dis_msk);
return 0;
}
ssusb_debugfs_create_root(ssusb);
/* enable power domain */
+ pm_runtime_set_active(dev);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_set_autosuspend_delay(dev, 4000);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
- device_enable_async_suspend(dev);
ret = ssusb_rscs_init(ssusb);
if (ret)
goto comm_init_err;
+ if (ssusb->wakeup_irq > 0) {
+ ret = dev_pm_set_dedicated_wake_irq(dev, ssusb->wakeup_irq);
+ if (ret) {
+ dev_err(dev, "failed to set wakeup irq %d\n", ssusb->wakeup_irq);
+ goto comm_exit;
+ }
+ dev_info(dev, "wakeup irq %d\n", ssusb->wakeup_irq);
+ }
+
ssusb_ip_sw_reset(ssusb);
if (IS_ENABLED(CONFIG_USB_MTU3_HOST))
goto comm_exit;
}
+ device_enable_async_suspend(dev);
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+ pm_runtime_forbid(dev);
+
return 0;
host_exit:
comm_exit:
ssusb_rscs_exit(ssusb);
comm_init_err:
- pm_runtime_put_sync(dev);
+ pm_runtime_put_noidle(dev);
pm_runtime_disable(dev);
ssusb_debugfs_remove_root(ssusb);
{
struct ssusb_mtk *ssusb = platform_get_drvdata(pdev);
+ pm_runtime_get_sync(&pdev->dev);
+
switch (ssusb->dr_mode) {
case USB_DR_MODE_PERIPHERAL:
ssusb_gadget_exit(ssusb);
}
ssusb_rscs_exit(ssusb);
- pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
ssusb_debugfs_remove_root(ssusb);
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
+ pm_runtime_set_suspended(&pdev->dev);
return 0;
}
-/*
- * when support dual-role mode, we reject suspend when
- * it works as device mode;
- */
-static int __maybe_unused mtu3_suspend(struct device *dev)
+static int resume_ip_and_ports(struct ssusb_mtk *ssusb, pm_message_t msg)
+{
+ switch (ssusb->dr_mode) {
+ case USB_DR_MODE_PERIPHERAL:
+ ssusb_gadget_resume(ssusb, msg);
+ break;
+ case USB_DR_MODE_HOST:
+ ssusb_host_resume(ssusb, false);
+ break;
+ case USB_DR_MODE_OTG:
+ ssusb_host_resume(ssusb, !ssusb->is_host);
+ if (!ssusb->is_host)
+ ssusb_gadget_resume(ssusb, msg);
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int mtu3_suspend_common(struct device *dev, pm_message_t msg)
{
struct ssusb_mtk *ssusb = dev_get_drvdata(dev);
+ int ret = 0;
dev_dbg(dev, "%s\n", __func__);
- /* REVISIT: disconnect it for only device mode? */
- if (!ssusb->is_host)
- return 0;
+ switch (ssusb->dr_mode) {
+ case USB_DR_MODE_PERIPHERAL:
+ ret = ssusb_gadget_suspend(ssusb, msg);
+ if (ret)
+ goto err;
+
+ break;
+ case USB_DR_MODE_HOST:
+ ssusb_host_suspend(ssusb);
+ break;
+ case USB_DR_MODE_OTG:
+ if (!ssusb->is_host) {
+ ret = ssusb_gadget_suspend(ssusb, msg);
+ if (ret)
+ goto err;
+ }
+ ssusb_host_suspend(ssusb);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = wait_for_ip_sleep(ssusb);
+ if (ret)
+ goto sleep_err;
- ssusb_host_disable(ssusb, true);
ssusb_phy_power_off(ssusb);
clk_bulk_disable_unprepare(BULK_CLKS_CNT, ssusb->clks);
ssusb_wakeup_set(ssusb, true);
-
return 0;
+
+sleep_err:
+ resume_ip_and_ports(ssusb, msg);
+err:
+ return ret;
}
-static int __maybe_unused mtu3_resume(struct device *dev)
+static int mtu3_resume_common(struct device *dev, pm_message_t msg)
{
struct ssusb_mtk *ssusb = dev_get_drvdata(dev);
int ret;
dev_dbg(dev, "%s\n", __func__);
- if (!ssusb->is_host)
- return 0;
-
ssusb_wakeup_set(ssusb, false);
ret = clk_bulk_prepare_enable(BULK_CLKS_CNT, ssusb->clks);
if (ret)
if (ret)
goto phy_err;
- ssusb_host_enable(ssusb);
-
- return 0;
+ return resume_ip_and_ports(ssusb, msg);
phy_err:
clk_bulk_disable_unprepare(BULK_CLKS_CNT, ssusb->clks);
return ret;
}
+static int __maybe_unused mtu3_suspend(struct device *dev)
+{
+ return mtu3_suspend_common(dev, PMSG_SUSPEND);
+}
+
+static int __maybe_unused mtu3_resume(struct device *dev)
+{
+ return mtu3_resume_common(dev, PMSG_SUSPEND);
+}
+
+static int __maybe_unused mtu3_runtime_suspend(struct device *dev)
+{
+ if (!device_may_wakeup(dev))
+ return 0;
+
+ return mtu3_suspend_common(dev, PMSG_AUTO_SUSPEND);
+}
+
+static int __maybe_unused mtu3_runtime_resume(struct device *dev)
+{
+ if (!device_may_wakeup(dev))
+ return 0;
+
+ return mtu3_resume_common(dev, PMSG_AUTO_SUSPEND);
+}
+
static const struct dev_pm_ops mtu3_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(mtu3_suspend, mtu3_resume)
+ SET_RUNTIME_PM_OPS(mtu3_runtime_suspend,
+ mtu3_runtime_resume, NULL)
};
#define DEV_PM_OPS (IS_ENABLED(CONFIG_PM) ? &mtu3_pm_ops : NULL)
if (!glue->usbss_base)
return -ENXIO;
- if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL) {
- ret = dsps_setup_optional_vbus_irq(pdev, glue);
- if (ret)
- goto err_iounmap;
- }
-
platform_set_drvdata(pdev, glue);
pm_runtime_enable(&pdev->dev);
ret = dsps_create_musb_pdev(glue, pdev);
if (ret)
goto err;
+ if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL) {
+ ret = dsps_setup_optional_vbus_irq(pdev, glue);
+ if (ret)
+ goto err;
+ }
+
return 0;
err:
pm_runtime_disable(&pdev->dev);
-err_iounmap:
iounmap(glue->usbss_base);
return ret;
}
/* request irq */
p_otg->irq = platform_get_irq(pdev, 0);
+ if (p_otg->irq < 0)
+ return p_otg->irq;
status = request_irq(p_otg->irq, fsl_otg_isr,
IRQF_SHARED, driver_name, p_otg);
if (status) {
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb.h>
dev_set_drvdata(&pdev->dev, tu);
- tu->irq = platform_get_irq(pdev, 0);
+ tu->irq = ret = platform_get_irq(pdev, 0);
+ if (ret < 0)
+ return ret;
ret = request_threaded_irq(tu->irq, NULL, tahvo_usb_vbus_interrupt,
IRQF_ONESHOT,
"tahvo-vbus", tu);
twl->irq2 = platform_get_irq(pdev, 1);
twl->linkstat = MUSB_UNKNOWN;
+ if (twl->irq1 < 0)
+ return twl->irq1;
+ if (twl->irq2 < 0)
+ return twl->irq2;
+
twl->comparator.set_vbus = twl6030_set_vbus;
twl->comparator.start_srp = twl6030_start_srp;
ret = usbhsf_fifo_select(pipe, fifo, 1);
if (ret < 0) {
- dev_err(dev, "%s() faile\n", __func__);
+ dev_err(dev, "%s() failed\n", __func__);
return ret;
}
* @req_max_curr: Requested max current of the port partner
* @req_out_volt: Requested output voltage to the port partner
* @req_op_curr: Requested operating current to the port partner
- * @supported: Parter has atleast one APDO hence supports PPS
+ * @supported: Parter has at least one APDO hence supports PPS
* @active: PPS mode is active
*/
struct pd_pps_data {
struct typec_partner *partner;
enum typec_cc_status cc_req;
+ enum typec_cc_status src_rp; /* work only if pd_supported == false */
enum typec_cc_status cc1;
enum typec_cc_status cc2;
bool attached;
bool connected;
+ bool pd_supported;
enum typec_port_type port_type;
/*
int nr_pdo = port->nr_src_pdo;
int i;
+ if (!port->pd_supported)
+ return port->src_rp;
+
/*
* Search for first entry with matching voltage.
* It should report the maximum supported current.
static const char * const pdo_err_msg[] = {
[PDO_ERR_NO_VSAFE5V] =
- " err: source/sink caps should atleast have vSafe5V",
+ " err: source/sink caps should at least have vSafe5V",
[PDO_ERR_VSAFE5V_NOT_FIRST] =
" err: vSafe5V Fixed Supply Object Shall always be the first object",
[PDO_ERR_PDO_TYPE_NOT_IN_ORDER] =
if (ret < 0)
return ret;
- ret = port->tcpc->set_pd_rx(port->tcpc, true);
- if (ret < 0)
- goto out_disable_mux;
+ if (port->pd_supported) {
+ ret = port->tcpc->set_pd_rx(port->tcpc, true);
+ if (ret < 0)
+ goto out_disable_mux;
+ }
/*
* USB Type-C specification, version 1.2,
out_disable_vconn:
tcpm_set_vconn(port, false);
out_disable_pd:
- port->tcpc->set_pd_rx(port->tcpc, false);
+ if (port->pd_supported)
+ port->tcpc->set_pd_rx(port->tcpc, false);
out_disable_mux:
tcpm_mux_set(port, TYPEC_STATE_SAFE, USB_ROLE_NONE,
TYPEC_ORIENTATION_NONE);
}
}
+static enum typec_cc_status tcpm_pwr_opmode_to_rp(enum typec_pwr_opmode opmode)
+{
+ switch (opmode) {
+ case TYPEC_PWR_MODE_USB:
+ return TYPEC_CC_RP_DEF;
+ case TYPEC_PWR_MODE_1_5A:
+ return TYPEC_CC_RP_1_5;
+ case TYPEC_PWR_MODE_3_0A:
+ case TYPEC_PWR_MODE_PD:
+ default:
+ return TYPEC_CC_RP_3_0;
+ }
+}
+
static void run_state_machine(struct tcpm_port *port)
{
int ret;
if (port->ams == POWER_ROLE_SWAP ||
port->ams == FAST_ROLE_SWAP)
tcpm_ams_finish(port);
+ if (!port->pd_supported) {
+ tcpm_set_state(port, SRC_READY, 0);
+ break;
+ }
port->upcoming_state = SRC_SEND_CAPABILITIES;
tcpm_ams_start(port, POWER_NEGOTIATION);
break;
current_lim = PD_P_SNK_STDBY_MW / 5;
tcpm_set_current_limit(port, current_lim, 5000);
tcpm_set_charge(port, true);
- tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
+ if (!port->pd_supported)
+ tcpm_set_state(port, SNK_READY, 0);
+ else
+ tcpm_set_state(port, SNK_WAIT_CAPABILITIES, 0);
break;
}
/*
tcpm_set_vbus(port, true);
if (port->ams == HARD_RESET)
tcpm_ams_finish(port);
- port->tcpc->set_pd_rx(port->tcpc, true);
+ if (port->pd_supported)
+ port->tcpc->set_pd_rx(port->tcpc, true);
tcpm_set_attached_state(port, true);
tcpm_set_state(port, SRC_UNATTACHED, PD_T_PS_SOURCE_ON);
break;
static int tcpm_fw_get_caps(struct tcpm_port *port,
struct fwnode_handle *fwnode)
{
+ const char *opmode_str;
const char *cap_str;
int ret;
u32 mw, frs_current;
return ret;
port->typec_caps.type = ret;
port->port_type = port->typec_caps.type;
+ port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");
port->slow_charger_loop = fwnode_property_read_bool(fwnode, "slow-charger-loop");
if (port->port_type == TYPEC_PORT_SNK)
goto sink;
- /* Get source pdos */
- ret = fwnode_property_count_u32(fwnode, "source-pdos");
- if (ret <= 0)
- return -EINVAL;
+ /* Get Source PDOs for the PD port or Source Rp value for the non-PD port */
+ if (port->pd_supported) {
+ ret = fwnode_property_count_u32(fwnode, "source-pdos");
+ if (ret == 0)
+ return -EINVAL;
+ else if (ret < 0)
+ return ret;
- port->nr_src_pdo = min(ret, PDO_MAX_OBJECTS);
- ret = fwnode_property_read_u32_array(fwnode, "source-pdos",
- port->src_pdo, port->nr_src_pdo);
- if ((ret < 0) || tcpm_validate_caps(port, port->src_pdo,
- port->nr_src_pdo))
- return -EINVAL;
+ port->nr_src_pdo = min(ret, PDO_MAX_OBJECTS);
+ ret = fwnode_property_read_u32_array(fwnode, "source-pdos",
+ port->src_pdo, port->nr_src_pdo);
+ if (ret)
+ return ret;
+ ret = tcpm_validate_caps(port, port->src_pdo, port->nr_src_pdo);
+ if (ret)
+ return ret;
+ } else {
+ ret = fwnode_property_read_string(fwnode, "typec-power-opmode", &opmode_str);
+ if (ret)
+ return ret;
+ ret = typec_find_pwr_opmode(opmode_str);
+ if (ret < 0)
+ return ret;
+ port->src_rp = tcpm_pwr_opmode_to_rp(ret);
+ }
if (port->port_type == TYPEC_PORT_SRC)
return 0;
if (port->typec_caps.prefer_role < 0)
return -EINVAL;
sink:
+ port->self_powered = fwnode_property_read_bool(fwnode, "self-powered");
+
+ if (!port->pd_supported)
+ return 0;
+
/* Get sink pdos */
ret = fwnode_property_count_u32(fwnode, "sink-pdos");
if (ret <= 0)
return -EINVAL;
port->operating_snk_mw = mw / 1000;
- port->self_powered = fwnode_property_read_bool(fwnode, "self-powered");
-
- /* FRS can only be supported byb DRP ports */
+ /* FRS can only be supported by DRP ports */
if (port->port_type == TYPEC_PORT_DRP) {
ret = fwnode_property_read_u32(fwnode, "new-source-frs-typec-current",
&frs_current);
vhci_hcd->port_status[rhport] &= ~(1 << USB_PORT_FEAT_RESET);
vhci_hcd->re_timeout = 0;
+ /*
+ * A few drivers do usb reset during probe when
+ * the device could be in VDEV_ST_USED state
+ */
if (vhci_hcd->vdev[rhport].ud.status ==
- VDEV_ST_NOTASSIGNED) {
+ VDEV_ST_NOTASSIGNED ||
+ vhci_hcd->vdev[rhport].ud.status ==
+ VDEV_ST_USED) {
usbip_dbg_vhci_rh(
" enable rhport %d (status %u)\n",
rhport,
return 0;
}
-static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
+static void vhci_cleanup_unlink_list(struct vhci_device *vdev,
+ struct list_head *unlink_list)
{
struct vhci_hcd *vhci_hcd = vdev_to_vhci_hcd(vdev);
struct usb_hcd *hcd = vhci_hcd_to_hcd(vhci_hcd);
spin_lock_irqsave(&vhci->lock, flags);
spin_lock(&vdev->priv_lock);
- list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
- pr_info("unlink cleanup tx %lu\n", unlink->unlink_seqnum);
- list_del(&unlink->list);
- kfree(unlink);
- }
-
- while (!list_empty(&vdev->unlink_rx)) {
+ list_for_each_entry_safe(unlink, tmp, unlink_list, list) {
struct urb *urb;
- unlink = list_first_entry(&vdev->unlink_rx, struct vhci_unlink,
- list);
-
- /* give back URB of unanswered unlink request */
- pr_info("unlink cleanup rx %lu\n", unlink->unlink_seqnum);
-
urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
if (!urb) {
- pr_info("the urb (seqnum %lu) was already given back\n",
- unlink->unlink_seqnum);
list_del(&unlink->list);
kfree(unlink);
continue;
spin_unlock_irqrestore(&vhci->lock, flags);
}
+static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
+{
+ /* give back URB of unsent unlink request */
+ vhci_cleanup_unlink_list(vdev, &vdev->unlink_tx);
+
+ /* give back URB of unanswered unlink request */
+ vhci_cleanup_unlink_list(vdev, &vdev->unlink_rx);
+}
+
/*
* The important thing is that only one context begins cleanup.
* This is why error handling and cleanup become simple.
return 0;
}
+static inline int of_add_property(struct device_node *np, struct property *prop)
+{
+ return 0;
+}
+
static inline int of_remove_property(struct device_node *np, struct property *prop)
{
return 0;
* @interrupt_work: Work scheduled to handle ring interrupt when no
* MSI-X is used.
* @hop_count: Number of rings (end point hops) supported by NHI.
+ * @quirks: NHI specific quirks if any
*/
struct tb_nhi {
spinlock_t lock;
bool going_away;
struct work_struct interrupt_work;
u32 hop_count;
+ unsigned long quirks;
};
/**
__u8 bmaControls[]; /* variable length */
} __attribute__((packed));
+#define UAC2_DT_FEATURE_UNIT_SIZE(ch) (6 + ((ch) + 1) * 4)
+
+/* As above, but more useful for defining your own descriptors: */
+#define DECLARE_UAC2_FEATURE_UNIT_DESCRIPTOR(ch) \
+struct uac2_feature_unit_descriptor_##ch { \
+ __u8 bLength; \
+ __u8 bDescriptorType; \
+ __u8 bDescriptorSubtype; \
+ __u8 bUnitID; \
+ __u8 bSourceID; \
+ __le32 bmaControls[ch + 1]; \
+ __u8 iFeature; \
+} __packed
+
/* 4.7.2.10 Effect Unit Descriptor */
struct uac2_effect_unit_descriptor {
#define HCS_PORTROUTED(p) ((p)&(1 << 7)) /* true: port routing */
#define HCS_PPC(p) ((p)&(1 << 4)) /* true: port power control */
#define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */
+#define HCS_N_PORTS_MAX 15 /* N_PORTS valid 0x1-0xF */
u32 hcc_params; /* HCCPARAMS - offset 0x8 */
/* EHCI 1.1 addendum */
u32 configured_flag;
#define FLAG_CF (1<<0) /* true: we'll support "high speed" */
- /* PORTSC: offset 0x44 */
- u32 port_status[0]; /* up to N_PORTS */
+ union {
+ /* PORTSC: offset 0x44 */
+ u32 port_status[HCS_N_PORTS_MAX]; /* up to N_PORTS */
/* EHCI 1.1 addendum */
#define PORTSC_SUSPEND_STS_ACK 0
#define PORTSC_SUSPEND_STS_NYET 1
#define PORT_CSC (1<<1) /* connect status change */
#define PORT_CONNECT (1<<0) /* device connected */
#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC)
-
- u32 reserved3[9];
-
- /* USBMODE: offset 0x68 */
- u32 usbmode; /* USB Device mode */
+ struct {
+ u32 reserved3[9];
+ /* USBMODE: offset 0x68 */
+ u32 usbmode; /* USB Device mode */
+ };
#define USBMODE_SDIS (1<<3) /* Stream disable */
#define USBMODE_BE (1<<2) /* BE/LE endianness select */
#define USBMODE_CM_HC (3<<0) /* host controller mode */
#define USBMODE_CM_IDLE (0<<0) /* idle state */
-
- u32 reserved4[6];
+ };
/* Moorestown has some non-standard registers, partially due to the fact that
* its EHCI controller has both TT and LPM support. HOSTPCx are extensions to
* PORTSCx
*/
- /* HOSTPC: offset 0x84 */
- u32 hostpc[0]; /* HOSTPC extension */
+ union {
+ struct {
+ u32 reserved4;
+ /* HOSTPC: offset 0x84 */
+ u32 hostpc[HCS_N_PORTS_MAX];
#define HOSTPC_PHCD (1<<22) /* Phy clock disable */
#define HOSTPC_PSPD (3<<25) /* Port speed detection */
+ };
+
+ /* Broadcom-proprietary USB_EHCI_INSNREG00 @ 0x80 */
+ u32 brcm_insnreg[4];
+ };
- u32 reserved5[17];
+ u32 reserved5[2];
/* USBMODE_EX: offset 0xc8 */
u32 usbmode_ex; /* USB Device mode extension */
struct usb_ep *(*match_ep)(struct usb_gadget *,
struct usb_endpoint_descriptor *,
struct usb_ss_ep_comp_descriptor *);
+ int (*check_config)(struct usb_gadget *gadget);
};
/**
*/
static inline size_t usb_ep_align(struct usb_ep *ep, size_t len)
{
- int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc) & 0x7ff;
+ int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc);
return round_up(len, max_packet_size);
}
int usb_gadget_disconnect(struct usb_gadget *gadget);
int usb_gadget_deactivate(struct usb_gadget *gadget);
int usb_gadget_activate(struct usb_gadget *gadget);
+int usb_gadget_check_config(struct usb_gadget *gadget);
#else
static inline int usb_gadget_frame_number(struct usb_gadget *gadget)
{ return 0; }
{ return 0; }
static inline int usb_gadget_activate(struct usb_gadget *gadget)
{ return 0; }
+static inline int usb_gadget_check_config(struct usb_gadget *gadget)
+{ return 0; }
#endif /* CONFIG_USB_GADGET */
/*-------------------------------------------------------------------------*/
* and returns the corresponding enum usb_dr_mode
*/
extern enum usb_dr_mode usb_get_dr_mode(struct device *dev);
+extern enum usb_dr_mode usb_get_role_switch_default_mode(struct device *dev);
#endif /* __LINUX_USB_OTG_H */
projects / linux-2.6-microblaze.git / commitdiff