streaming_maxburst 0..15 (ss only)
streaming_maxpacket 1..1023 (fs), 1..3072 (hs/ss)
streaming_interval 1..16
+ function_name string [32]
=================== =============================
What: /config/usb-gadget/gadget/functions/uvc.name/control
Description: This contains XDomain service specific settings as
bitmask. Format: %x
+What: /sys/bus/thunderbolt/devices/usb4_portX/connector
+Date: April 2022
+Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description:
+ Symlink to the USB Type-C connector. This link is only
+ created when USB Type-C Connector Class is enabled,
+ and only if the system firmware is capable of
+ describing the connection between a port and its
+ connector.
+
What: /sys/bus/thunderbolt/devices/usb4_portX/link
Date: Sep 2021
KernelVersion: v5.14
endpoint number (0 … 14 for endpoints 1 … 15 on instance 0 and 15 … 29
for endpoints 1 … 15 on instance 1). The second number is 0 for RX and
1 for TX transfers.
-- #dma-channels: should be set to 30 representing the 15 endpoints for
+- dma-channels: should be set to 30 representing the 15 endpoints for
each USB instance.
+- #dma-channels: deprecated
Example:
~~~~~~~~
interrupts = <17>;
interrupt-names = "glue";
#dma-cells = <2>;
- #dma-channels = <30>;
- #dma-requests = <256>;
+ dma-channels = <30>;
+ dma-requests = <256>;
};
};
- #dma-cells: should be set to 2. The first number represents the
channel number (0 … 3 for endpoints 1 … 4).
The second number is 0 for RX and 1 for TX transfers.
-- #dma-channels: should be set to 4 representing the 4 endpoints.
+- dma-channels: should be set to 4 representing the 4 endpoints.
+- #dma-channels: deprecated
Example:
usb_phy: usb-phy {
reg-names = "controller", "scheduler", "queuemgr";
interrupts = <58>;
#dma-cells = <2>;
- #dma-channels = <4>;
+ dma-channels = <4>;
};
};
oneOf:
- const: brcm,bcm2835-usb
- const: hisilicon,hi6220-usb
+ - const: ingenic,jz4775-otg
+ - const: ingenic,jz4780-otg
+ - const: ingenic,x1000-otg
+ - const: ingenic,x1600-otg
+ - const: ingenic,x1700-otg
+ - const: ingenic,x1830-otg
+ - const: ingenic,x2000-otg
- items:
- const: rockchip,rk3066-usb
- const: snps,dwc2
- usb2-phy
- usb3-phy
+ reset-gpios:
+ description: GPIO used for the reset ulpi-phy
+ maxItems: 1
+
# Required child node:
patternProperties:
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/fcs,fsa4480.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: ON Semiconductor Analog Audio Switch
+
+maintainers:
+ - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+properties:
+ compatible:
+ enum:
+ - fcs,fsa4480
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ vcc-supply:
+ description: power supply (2.7V-5.5V)
+
+ mode-switch:
+ description: Flag the port as possible handle of altmode switching
+ type: boolean
+
+ orientation-switch:
+ description: Flag the port as possible handler of orientation switching
+ type: boolean
+
+ port:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ A port node to link the FSA4480 to a TypeC controller for the purpose of
+ handling altmode muxing and orientation switching.
+
+required:
+ - compatible
+ - reg
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c13 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ fsa4480@42 {
+ compatible = "fcs,fsa4480";
+ reg = <0x42>;
+
+ interrupts-extended = <&tlmm 2 IRQ_TYPE_LEVEL_LOW>;
+
+ vcc-supply = <&vreg_bob>;
+
+ mode-switch;
+ orientation-switch;
+
+ port {
+ fsa4480_ept: endpoint {
+ remote-endpoint = <&typec_controller>;
+ };
+ };
+ };
+ };
+...
- brcm,bcm7420-ehci
- brcm,bcm7425-ehci
- brcm,bcm7435-ehci
+ - hpe,gxp-ehci
- ibm,476gtr-ehci
- nxp,lpc1850-ehci
- qca,ar7100-ehci
- brcm,bcm7420-ohci
- brcm,bcm7425-ohci
- brcm,bcm7435-ohci
+ - hpe,gxp-ohci
- ibm,476gtr-ohci
- ingenic,jz4740-ohci
- snps,hsdk-v1.0-ohci
- mediatek,mt8173-mtu3
- mediatek,mt8183-mtu3
- mediatek,mt8192-mtu3
+ - mediatek,mt8195-mtu3
- const: mediatek,mtu3
reg:
- qcom,ipq4019-dwc3
- qcom,ipq6018-dwc3
- qcom,ipq8064-dwc3
+ - qcom,ipq8074-dwc3
- qcom,msm8953-dwc3
+ - qcom,msm8994-dwc3
- qcom,msm8996-dwc3
- qcom,msm8998-dwc3
+ - qcom,qcs404-dwc3
- qcom,sc7180-dwc3
- qcom,sc7280-dwc3
- qcom,sdm660-dwc3
- qcom,sdm845-dwc3
- qcom,sdx55-dwc3
+ - qcom,sdx65-dwc3
- qcom,sm4250-dwc3
- qcom,sm6115-dwc3
+ - qcom,sm6125-dwc3
- qcom,sm6350-dwc3
- qcom,sm8150-dwc3
- qcom,sm8250-dwc3
maxItems: 1
clocks:
- description:
- A list of phandle and clock-specifier pairs for the clocks
- listed in clock-names.
- items:
- - description: System Config NOC clock.
- - description: Master/Core clock, has to be >= 125 MHz
- for SS operation and >= 60MHz for HS operation.
- - description: System bus AXI clock.
- - description: Mock utmi clock needed for ITP/SOF generation
- in host mode. Its frequency should be 19.2MHz.
- - description: Sleep clock, used for wakeup when
- USB3 core goes into low power mode (U3).
+ description: |
+ Several clocks are used, depending on the variant. Typical ones are::
+ - cfg_noc:: System Config NOC clock.
+ - core:: Master/Core clock, has to be >= 125 MHz for SS operation and >=
+ 60MHz for HS operation.
+ - iface:: System bus AXI clock.
+ - sleep:: Sleep clock, used for wakeup when USB3 core goes into low
+ power mode (U3).
+ - mock_utmi:: Mock utmi clock needed for ITP/SOF generation in host
+ mode. Its frequency should be 19.2MHz.
+ minItems: 1
+ maxItems: 6
clock-names:
- items:
- - const: cfg_noc
- - const: core
- - const: iface
- - const: mock_utmi
- - const: sleep
+ minItems: 1
+ maxItems: 6
assigned-clocks:
items:
- interrupts
- interrupt-names
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq4019-dwc3
+ then:
+ properties:
+ clocks:
+ maxItems: 3
+ clock-names:
+ items:
+ - const: core
+ - const: sleep
+ - const: mock_utmi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq8064-dwc3
+ then:
+ properties:
+ clocks:
+ items:
+ - description: Master/Core clock, has to be >= 125 MHz
+ for SS operation and >= 60MHz for HS operation.
+ clock-names:
+ items:
+ - const: core
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8953-dwc3
+ - qcom,msm8996-dwc3
+ - qcom,msm8998-dwc3
+ - qcom,sc7180-dwc3
+ - qcom,sc7280-dwc3
+ - qcom,sdm845-dwc3
+ - qcom,sdx55-dwc3
+ - qcom,sm6350-dwc3
+ then:
+ properties:
+ clocks:
+ maxItems: 5
+ clock-names:
+ items:
+ - const: cfg_noc
+ - const: core
+ - const: iface
+ - const: sleep
+ - const: mock_utmi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq6018-dwc3
+ then:
+ properties:
+ clocks:
+ minItems: 3
+ maxItems: 4
+ clock-names:
+ oneOf:
+ - items:
+ - const: core
+ - const: sleep
+ - const: mock_utmi
+ - items:
+ - const: cfg_noc
+ - const: core
+ - const: sleep
+ - const: mock_utmi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,ipq8074-dwc3
+ then:
+ properties:
+ clocks:
+ maxItems: 4
+ clock-names:
+ items:
+ - const: cfg_noc
+ - const: core
+ - const: sleep
+ - const: mock_utmi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8994-dwc3
+ - qcom,qcs404-dwc3
+ then:
+ properties:
+ clocks:
+ maxItems: 4
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+ - const: sleep
+ - const: mock_utmi
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sdm660-dwc3
+ then:
+ properties:
+ clocks:
+ minItems: 6
+ clock-names:
+ items:
+ - const: cfg_noc
+ - const: core
+ - const: iface
+ - const: sleep
+ - const: mock_utmi
+ - const: bus
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sm6125-dwc3
+ - qcom,sm8150-dwc3
+ - qcom,sm8250-dwc3
+ - qcom,sm8450-dwc3
+ then:
+ properties:
+ clocks:
+ minItems: 6
+ clock-names:
+ items:
+ - const: cfg_noc
+ - const: core
+ - const: iface
+ - const: sleep
+ - const: mock_utmi
+ - const: xo
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sm8350-dwc3
+ then:
+ properties:
+ clocks:
+ minItems: 5
+ maxItems: 6
+ clock-names:
+ minItems: 5
+ items:
+ - const: cfg_noc
+ - const: core
+ - const: iface
+ - const: sleep
+ - const: mock_utmi
+ - const: xo
+
+
additionalProperties: false
examples:
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
- items:
- enum:
- renesas,usbhs-r7s9210 # RZ/A2
+ - renesas,usbhs-r9a07g043 # RZ/G2UL
- renesas,usbhs-r9a07g044 # RZ/G2{L,LC}
- renesas,usbhs-r9a07g054 # RZ/V2L
- const: renesas,rza2-usbhs
compatible:
contains:
enum:
+ - renesas,usbhs-r9a07g043
- renesas,usbhs-r9a07g044
- renesas,usbhs-r9a07g054
then:
- description: U2P_INT_DMA[0]
- description: U2P_INT_DMA[1]
- description: U2P_INT_DMAERR
+ required:
+ - resets
else:
properties:
interrupts:
- samsung,exynos4210-ehci
- samsung,exynos4210-ohci
- '#address-cells':
- const: 1
-
clocks:
maxItems: 1
Only for controller in EHCI mode, if present, specifies the GPIO that
needs to be pulled up for the bus to be powered.
- '#size-cells':
- const: 0
-
-patternProperties:
- "^.*@[0-9a-f]{1,2}$":
- description: The hard wired USB devices
- type: object
- $ref: /usb/usb-device.yaml
-
required:
- compatible
- clocks
- reg
allOf:
+ - $ref: usb-hcd.yaml#
- if:
properties:
compatible:
properties:
samsung,vbus-gpio: false
-additionalProperties: false
+unevaluatedProperties: false
examples:
- |
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller
+
+maintainers:
+ - Aswath Govindraju <a-govindraju@ti.com>
+
+properties:
+ compatible:
+ const: ti,am62-usb
+
+ reg:
+ maxItems: 1
+
+ ranges: true
+
+ power-domains:
+ description:
+ PM domain provider node and an args specifier containing
+ the USB ISO device id value. See,
+ Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml
+ maxItems: 1
+
+ clocks:
+ description: Clock phandle to usb2_refclk
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: ref
+
+ ti,vbus-divider:
+ description:
+ Should be present if USB VBUS line is connected to the
+ VBUS pin of the SoC via a 1/3 voltage divider.
+ type: boolean
+
+ ti,syscon-phy-pll-refclk:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: Phandle to the SYSCON entry
+ - description: USB phy control register offset within SYSCON
+ description:
+ Specifier for conveying frequency of ref clock input, for the
+ operation of USB2PHY.
+
+ '#address-cells':
+ const: 2
+
+ '#size-cells':
+ const: 2
+
+patternProperties:
+ "^usb@[0-9a-f]+$":
+ $ref: snps,dwc3.yaml#
+ description: Required child node
+
+required:
+ - compatible
+ - reg
+ - power-domains
+ - clocks
+ - clock-names
+ - ti,syscon-phy-pll-refclk
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/soc/ti,sci_pm_domain.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/gpio/gpio.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ usbss1: usb@f910000 {
+ compatible = "ti,am62-usb";
+ reg = <0x00 0x0f910000 0x00 0x800>;
+ clocks = <&k3_clks 162 3>;
+ clock-names = "ref";
+ ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>;
+ power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ usb@31100000 {
+ compatible = "snps,dwc3";
+ reg =<0x00 0x31100000 0x00 0x50000>;
+ interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>, /* irq.0 */
+ <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH>; /* irq.0 */
+ interrupt-names = "host", "peripheral";
+ maximum-speed = "high-speed";
+ dr_mode = "otg";
+ };
+ };
+ };
streaming_maxpacket maximum packet size this endpoint is capable of
sending or receiving when this configuration is
selected
+ function_name name of the interface
=================== ================================================
There are also "control" and "streaming" subdirectories, each of which contain
clocks = <&gcc GCC_USB3_MASTER_CLK>,
<&gcc GCC_USB3_SLEEP_CLK>,
<&gcc GCC_USB3_MOCK_UTMI_CLK>;
- clock-names = "master", "sleep", "mock_utmi";
+ clock-names = "core", "sleep", "mock_utmi";
ranges;
status = "disabled";
clocks = <&gcc GCC_USB30_SLV_AHB_CLK>,
<&gcc GCC_USB30_MASTER_CLK>,
<&gcc GCC_USB30_MSTR_AXI_CLK>,
- <&gcc GCC_USB30_MOCK_UTMI_CLK>,
- <&gcc GCC_USB30_SLEEP_CLK>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep";
+ <&gcc GCC_USB30_SLEEP_CLK>,
+ <&gcc GCC_USB30_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>;
&usb2 {
status = "okay";
extcon = <&usb2_id>;
+};
- dwc3@7600000 {
- extcon = <&usb2_id>;
- dr_mode = "otg";
- maximum-speed = "high-speed";
- };
+&usb2_dwc3 {
+ extcon = <&usb2_id>;
+ dr_mode = "otg";
+ maximum-speed = "high-speed";
};
&usb3 {
status = "okay";
extcon = <&usb3_id>;
+};
- dwc3@6a00000 {
- extcon = <&usb3_id>;
- dr_mode = "otg";
- };
+&usb3_dwc3 {
+ extcon = <&usb3_id>;
+ dr_mode = "otg";
};
&usb3phy {
status = "disabled";
};
- usb2: usb2@7000000 {
+ usb2: usb@70f8800 {
compatible = "qcom,ipq6018-dwc3", "qcom,dwc3";
reg = <0x0 0x070F8800 0x0 0x400>;
#address-cells = <2>;
clocks = <&gcc GCC_USB1_MASTER_CLK>,
<&gcc GCC_USB1_SLEEP_CLK>,
<&gcc GCC_USB1_MOCK_UTMI_CLK>;
- clock-names = "master",
+ clock-names = "core",
"sleep",
"mock_utmi";
status = "disabled";
};
- usb3: usb3@8A00000 {
+ usb3: usb@8af8800 {
compatible = "qcom,ipq6018-dwc3", "qcom,dwc3";
reg = <0x0 0x8AF8800 0x0 0x400>;
#address-cells = <2>;
<&gcc GCC_USB0_MASTER_CLK>,
<&gcc GCC_USB0_SLEEP_CLK>,
<&gcc GCC_USB0_MOCK_UTMI_CLK>;
- clock-names = "sys_noc_axi",
- "master",
+ clock-names = "cfg_noc",
+ "core",
"sleep",
"mock_utmi";
resets = <&gcc GCC_USB0_BCR>;
status = "disabled";
- dwc_0: usb@8A00000 {
+ dwc_0: usb@8a00000 {
compatible = "snps,dwc3";
reg = <0x0 0x8A00000 0x0 0xcd00>;
interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
};
usb_0: usb@8af8800 {
- compatible = "qcom,dwc3";
+ compatible = "qcom,ipq8074-dwc3", "qcom,dwc3";
reg = <0x08af8800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
<&gcc GCC_USB0_MASTER_CLK>,
<&gcc GCC_USB0_SLEEP_CLK>,
<&gcc GCC_USB0_MOCK_UTMI_CLK>;
- clock-names = "sys_noc_axi",
- "master",
+ clock-names = "cfg_noc",
+ "core",
"sleep",
"mock_utmi";
resets = <&gcc GCC_USB0_BCR>;
status = "disabled";
- dwc_0: dwc3@8a00000 {
+ dwc_0: usb@8a00000 {
compatible = "snps,dwc3";
reg = <0x8a00000 0xcd00>;
interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
};
usb_1: usb@8cf8800 {
- compatible = "qcom,dwc3";
+ compatible = "qcom,ipq8074-dwc3", "qcom,dwc3";
reg = <0x08cf8800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
<&gcc GCC_USB1_MASTER_CLK>,
<&gcc GCC_USB1_SLEEP_CLK>,
<&gcc GCC_USB1_MOCK_UTMI_CLK>;
- clock-names = "sys_noc_axi",
- "master",
+ clock-names = "cfg_noc",
+ "core",
"sleep",
"mock_utmi";
resets = <&gcc GCC_USB1_BCR>;
status = "disabled";
- dwc_1: dwc3@8c00000 {
+ dwc_1: usb@8c00000 {
compatible = "snps,dwc3";
reg = <0x8c00000 0xcd00>;
interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_USB_PHY_CFG_AHB_CLK>,
<&gcc GCC_USB30_MASTER_CLK>,
<&gcc GCC_PCNOC_USB3_AXI_CLK>,
- <&gcc GCC_USB30_MOCK_UTMI_CLK>,
- <&gcc GCC_USB30_SLEEP_CLK>;
- clock-names = "cfg_noc", "core", "iface",
- "mock_utmi", "sleep";
+ <&gcc GCC_USB30_SLEEP_CLK>,
+ <&gcc GCC_USB30_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>;
};
usb3: usb@f92f8800 {
- compatible = "qcom,msm8996-dwc3", "qcom,dwc3";
+ compatible = "qcom,msm8994-dwc3", "qcom,dwc3";
reg = <0xf92f8800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
<&gcc GCC_SYS_NOC_USB3_AXI_CLK>,
<&gcc GCC_USB30_SLEEP_CLK>,
<&gcc GCC_USB30_MOCK_UTMI_CLK>;
- clock-names = "core", "iface", "sleep", "mock_utmi", "ref", "xo";
+ clock-names = "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>;
extcon = <&typec>;
qcom,select-utmi-as-pipe-clk;
+};
- dwc3@6a00000 {
- extcon = <&typec>;
+&usb3_dwc3 {
+ extcon = <&typec>;
- /* usb3-phy is not used on this device */
- phys = <&hsusb_phy1>;
- phy-names = "usb2-phy";
+ /* usb3-phy is not used on this device */
+ phys = <&hsusb_phy1>;
+ phy-names = "usb2-phy";
- maximum-speed = "high-speed";
- snps,is-utmi-l1-suspend;
- snps,usb2-gadget-lpm-disable;
- snps,hird-threshold = /bits/ 8 <0>;
- };
+ maximum-speed = "high-speed";
+ snps,is-utmi-l1-suspend;
+ snps,usb2-gadget-lpm-disable;
+ snps,hird-threshold = /bits/ 8 <0>;
};
&hsusb_phy1 {
interrupt-names = "hs_phy_irq", "ss_phy_irq";
clocks = <&gcc GCC_SYS_NOC_USB3_AXI_CLK>,
- <&gcc GCC_USB30_MASTER_CLK>,
- <&gcc GCC_AGGRE2_USB3_AXI_CLK>,
- <&gcc GCC_USB30_MOCK_UTMI_CLK>,
- <&gcc GCC_USB30_SLEEP_CLK>,
- <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>;
+ <&gcc GCC_USB30_MASTER_CLK>,
+ <&gcc GCC_AGGRE2_USB3_AXI_CLK>,
+ <&gcc GCC_USB30_SLEEP_CLK>,
+ <&gcc GCC_USB30_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>;
power-domains = <&gcc USB30_GDSC>;
status = "disabled";
- usb3_dwc3: dwc3@6a00000 {
+ usb3_dwc3: usb@6a00000 {
compatible = "snps,dwc3";
reg = <0x06a00000 0xcc00>;
interrupts = <0 131 IRQ_TYPE_LEVEL_HIGH>;
<&gcc GCC_USB20_MOCK_UTMI_CLK>,
<&gcc GCC_USB20_SLEEP_CLK>,
<&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB20_MOCK_UTMI_CLK>,
<&gcc GCC_USB20_MASTER_CLK>;
qcom,select-utmi-as-pipe-clk;
status = "disabled";
- dwc3@7600000 {
+ usb2_dwc3: usb@7600000 {
compatible = "snps,dwc3";
reg = <0x07600000 0xcc00>;
interrupts = <0 138 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_CFG_NOC_USB3_AXI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>,
<&gcc GCC_AGGRE1_USB3_AXI_CLK>,
- <&gcc GCC_USB30_MOCK_UTMI_CLK>,
- <&gcc GCC_USB30_SLEEP_CLK>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep";
+ <&gcc GCC_USB30_SLEEP_CLK>,
+ <&gcc GCC_USB30_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>;
resets = <&gcc GCC_USB_30_BCR>;
- usb3_dwc3: dwc3@a800000 {
+ usb3_dwc3: usb@a800000 {
compatible = "snps,dwc3";
reg = <0x0a800000 0xcd00>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
&usb3 {
status = "okay";
- dwc3@7580000 {
- dr_mode = "host";
- };
+};
+
+&usb3_dwc3 {
+ dr_mode = "host";
};
&usb2_phy_prim {
};
usb3: usb@7678800 {
- compatible = "qcom,dwc3";
+ compatible = "qcom,qcs404-dwc3", "qcom,dwc3";
reg = <0x07678800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
assigned-clock-rates = <19200000>, <200000000>;
status = "disabled";
- dwc3@7580000 {
+ usb3_dwc3: usb@7580000 {
compatible = "snps,dwc3";
reg = <0x07580000 0xcd00>;
interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
};
usb2: usb@79b8800 {
- compatible = "qcom,dwc3";
+ compatible = "qcom,qcs404-dwc3", "qcom,dwc3";
reg = <0x079b8800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
assigned-clock-rates = <19200000>, <133333333>;
status = "disabled";
- dwc3@78c0000 {
+ usb@78c0000 {
compatible = "snps,dwc3";
reg = <0x078c0000 0xcc00>;
interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3 0>;
interconnect-names = "usb-ddr", "apps-usb";
- usb_1_dwc3: dwc3@a600000 {
+ usb_1_dwc3: usb@a600000 {
compatible = "snps,dwc3";
reg = <0 0x0a600000 0 0xe000>;
interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
};
&usb_2_dwc3 {
- dr_mode = "host";
+ dr_mode = "otg";
};
&usb_2_hsphy {
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";
+ <&gcc GCC_USB30_SEC_SLEEP_CLK>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_SEC_MASTER_CLK>;
phys = <&usb_2_hsphy>;
phy-names = "usb2-phy";
maximum-speed = "high-speed";
+ usb-role-switch;
+ port {
+ usb2_role_switch: endpoint {
+ remote-endpoint = <&eud_ep>;
+ };
+ };
};
};
interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
};
+ eud: eud@88e0000 {
+ compatible = "qcom,sc7280-eud","qcom,eud";
+ reg = <0 0x88e0000 0 0x2000>,
+ <0 0x88e2000 0 0x1000>;
+ interrupts-extended = <&pdc 11 IRQ_TYPE_LEVEL_HIGH>;
+ ports {
+ port@0 {
+ eud_ep: endpoint {
+ remote-endpoint = <&usb2_role_switch>;
+ };
+ };
+ port@1 {
+ eud_con: endpoint {
+ remote-endpoint = <&con_eud>;
+ };
+ };
+ };
+ };
+
+ eud_typec: connector {
+ compatible = "usb-c-connector";
+ ports {
+ port@0 {
+ con_eud: endpoint {
+ remote-endpoint = <&eud_con>;
+ };
+ };
+ };
+ };
+
nsp_noc: interconnect@a0c0000 {
reg = <0 0x0a0c0000 0 0x10000>;
compatible = "qcom,sc7280-nsp-noc";
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
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 17 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";
+ <&pdc 14 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "hs_phy_irq",
+ "ss_phy_irq",
+ "dm_hs_phy_irq",
+ "dp_hs_phy_irq";
power-domains = <&gcc GCC_USB30_PRIM_GDSC>;
clocks = <&gcc GCC_CFG_NOC_USB3_AXI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>,
<&gcc GCC_AGGRE2_USB3_AXI_CLK>,
- <&rpmcc RPM_SMD_AGGR2_NOC_CLK>,
+ <&gcc GCC_USB30_SLEEP_CLK>,
<&gcc GCC_USB30_MOCK_UTMI_CLK>,
- <&gcc GCC_USB30_SLEEP_CLK>;
- clock-names = "cfg_noc", "core", "iface", "bus",
- "mock_utmi", "sleep";
+ <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "bus";
assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_MASTER_CLK>,
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_0 0>;
interconnect-names = "usb-ddr", "apps-usb";
- usb_1_dwc3: dwc3@a600000 {
+ usb_1_dwc3: usb@a600000 {
compatible = "snps,dwc3";
reg = <0 0x0a600000 0 0xcd00>;
interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
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";
+ <&gcc GCC_USB30_SEC_SLEEP_CLK>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_SEC_MASTER_CLK>;
<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_USB3_1 0>;
interconnect-names = "usb-ddr", "apps-usb";
- usb_2_dwc3: dwc3@a800000 {
+ usb_2_dwc3: usb@a800000 {
compatible = "snps,dwc3";
reg = <0 0x0a800000 0 0xcd00>;
interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
};
usb3: usb@4ef8800 {
- compatible = "qcom,msm8996-dwc3", "qcom,dwc3";
+ compatible = "qcom,sm6125-dwc3", "qcom,dwc3";
reg = <0x04ef8800 0x400>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
- clocks = <&gcc GCC_USB30_PRIM_MASTER_CLK>,
+ clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
+ <&gcc GCC_USB30_PRIM_MASTER_CLK>,
<&gcc GCC_SYS_NOC_USB3_PRIM_AXI_CLK>,
- <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
- <&gcc GCC_USB3_PRIM_CLKREF_CLK>,
<&gcc GCC_USB30_PRIM_SLEEP_CLK>,
- <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
+ <&gcc GCC_USB3_PRIM_CLKREF_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
interrupts-extended = <&intc GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 17 IRQ_TYPE_LEVEL_HIGH>,
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>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_SEC_CLKREF_CLK>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
resets = <&gcc GCC_USB30_PRIM_BCR>;
- usb_1_dwc3: dwc3@a600000 {
+ usb_1_dwc3: usb@a600000 {
compatible = "snps,dwc3";
reg = <0 0x0a600000 0 0xcd00>;
interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
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>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_SEC_CLKREF_CLK>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_SEC_MASTER_CLK>;
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>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_SEC_CLKREF_EN>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
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>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_SEC_CLKREF_EN>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_SEC_MASTER_CLK>;
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";
+ <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>;
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi";
assigned-clocks = <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
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>,
+ <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_SEC_CLKREF_EN>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
assigned-clocks = <&gcc GCC_USB30_SEC_MOCK_UTMI_CLK>,
<&gcc GCC_USB30_SEC_MASTER_CLK>;
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>,
+ <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
<&gcc GCC_USB3_0_CLKREF_EN>;
- clock-names = "cfg_noc", "core", "iface", "mock_utmi",
- "sleep", "xo";
+ clock-names = "cfg_noc",
+ "core",
+ "iface",
+ "sleep",
+ "mock_utmi",
+ "xo";
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 130 IRQ_TYPE_LEVEL_HIGH>,
- <&pdc 14 IRQ_TYPE_EDGE_BOTH>,
+ <&pdc 17 IRQ_TYPE_LEVEL_HIGH>,
<&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";
+ <&pdc 14 IRQ_TYPE_EDGE_BOTH>;
+ interrupt-names = "hs_phy_irq",
+ "ss_phy_irq",
+ "dm_hs_phy_irq",
+ "dp_hs_phy_irq";
power-domains = <&gcc USB30_PRIM_GDSC>;
};
otg: usb@13500000 {
- compatible = "ingenic,jz4780-otg", "snps,dwc2";
+ compatible = "ingenic,jz4780-otg";
reg = <0x13500000 0x40000>;
interrupt-parent = <&intc>;
};
otg: usb@13500000 {
- compatible = "ingenic,x1000-otg", "snps,dwc2";
+ compatible = "ingenic,x1000-otg";
reg = <0x13500000 0x40000>;
interrupt-parent = <&intc>;
};
otg: usb@13500000 {
- compatible = "ingenic,x1830-otg", "snps,dwc2";
+ compatible = "ingenic,x1830-otg";
reg = <0x13500000 0x40000>;
interrupt-parent = <&intc>;
}
EXPORT_SYMBOL_GPL(device_get_match_data);
-static void *
-fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
- void *data, devcon_match_fn_t match)
+static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode,
+ const char *con_id, void *data,
+ devcon_match_fn_t match,
+ void **matches,
+ unsigned int matches_len)
{
struct fwnode_handle *node;
struct fwnode_handle *ep;
+ unsigned int count = 0;
void *ret;
fwnode_graph_for_each_endpoint(fwnode, ep) {
+ if (matches && count >= matches_len) {
+ fwnode_handle_put(ep);
+ break;
+ }
+
node = fwnode_graph_get_remote_port_parent(ep);
if (!fwnode_device_is_available(node)) {
fwnode_handle_put(node);
ret = match(node, con_id, data);
fwnode_handle_put(node);
if (ret) {
- fwnode_handle_put(ep);
- return ret;
+ if (matches)
+ matches[count] = ret;
+ count++;
}
}
- return NULL;
+ return count;
}
-static void *
-fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
- void *data, devcon_match_fn_t match)
+static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode,
+ const char *con_id, void *data,
+ devcon_match_fn_t match,
+ void **matches,
+ unsigned int matches_len)
{
struct fwnode_handle *node;
+ unsigned int count = 0;
+ unsigned int i;
void *ret;
- int i;
for (i = 0; ; i++) {
+ if (matches && count >= matches_len)
+ break;
+
node = fwnode_find_reference(fwnode, con_id, i);
if (IS_ERR(node))
break;
ret = match(node, NULL, data);
fwnode_handle_put(node);
- if (ret)
- return ret;
+ if (ret) {
+ if (matches)
+ matches[count] = ret;
+ count++;
+ }
}
- return NULL;
+ return count;
}
/**
const char *con_id, void *data,
devcon_match_fn_t match)
{
+ unsigned int count;
void *ret;
if (!fwnode || !match)
return NULL;
- ret = fwnode_graph_devcon_match(fwnode, con_id, data, match);
- if (ret)
+ count = fwnode_graph_devcon_matches(fwnode, con_id, data, match, &ret, 1);
+ if (count)
return ret;
- return fwnode_devcon_match(fwnode, con_id, data, match);
+ count = fwnode_devcon_matches(fwnode, con_id, data, match, &ret, 1);
+ return count ? ret : NULL;
}
EXPORT_SYMBOL_GPL(fwnode_connection_find_match);
+
+/**
+ * fwnode_connection_find_matches - Find connections from a device node
+ * @fwnode: Device node with the connection
+ * @con_id: Identifier for the connection
+ * @data: Data for the match function
+ * @match: Function to check and convert the connection description
+ * @matches: (Optional) array of pointers to fill with matches
+ * @matches_len: Length of @matches
+ *
+ * Find up to @matches_len connections with unique identifier @con_id between
+ * @fwnode and other device nodes. @match will be used to convert the
+ * connection description to data the caller is expecting to be returned
+ * through the @matches array.
+ * If @matches is NULL @matches_len is ignored and the total number of resolved
+ * matches is returned.
+ *
+ * Return: Number of matches resolved, or negative errno.
+ */
+int fwnode_connection_find_matches(struct fwnode_handle *fwnode,
+ const char *con_id, void *data,
+ devcon_match_fn_t match,
+ void **matches, unsigned int matches_len)
+{
+ unsigned int count_graph;
+ unsigned int count_ref;
+
+ if (!fwnode || !match)
+ return -EINVAL;
+
+ count_graph = fwnode_graph_devcon_matches(fwnode, con_id, data, match,
+ matches, matches_len);
+
+ if (matches) {
+ matches += count_graph;
+ matches_len -= count_graph;
+ }
+
+ count_ref = fwnode_devcon_matches(fwnode, con_id, data, match,
+ matches, matches_len);
+
+ return count_graph + count_ref;
+}
+EXPORT_SYMBOL_GPL(fwnode_connection_find_matches);
usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);
maxpacket = usb_maxpacket(hid_to_usb_dev(hid),
- usbhid->urbctrl->pipe, 0);
+ usbhid->urbctrl->pipe);
len += (len == 0); /* Don't allow 0-length reports */
len = round_up(len, maxpacket);
if (len > usbhid->bufsize)
return -ENODEV;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(dev, pipe);
kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL);
input_dev = input_allocate_device();
return -ENODEV;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(dev, pipe);
mouse = kzalloc(sizeof(struct usb_mouse), GFP_KERNEL);
input_dev = input_allocate_device();
return -ENOMEM;
pipe = usb_rcvintpipe(udev, ar2->ep[i]->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
maxp = maxp > 4 ? 4 : maxp;
usb_fill_int_urb(ar2->urb[i], udev, pipe, ar2->buf[i], maxp,
/* get a handle to the interrupt data pipe */
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
- ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ ret = usb_maxpacket(udev, pipe);
if (ret != USB_PKT_LEN)
dev_err(&intf->dev, "invalid payload size %d, expected %d\n",
ret, USB_PKT_LEN);
/* get a handle to the interrupt data pipe */
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
if (maxp < POWERMATE_PAYLOAD_SIZE_MIN || maxp > POWERMATE_PAYLOAD_SIZE_MAX) {
printk(KERN_WARNING "powermate: Expected payload of %d--%d bytes, found %d bytes!\n",
/* get a handle to the interrupt data pipe */
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
- ret = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ ret = usb_maxpacket(udev, pipe);
if (ret != USB_PKT_LEN)
dev_err(&intf->dev, "invalid payload size %d, expected %zd\n",
ret, USB_PKT_LEN);
return -ENODEV;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(dev, pipe);
acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
input_dev = input_allocate_device();
pegasus->intf = intf;
pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
- pegasus->data_len = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ pegasus->data_len = usb_maxpacket(dev, pipe);
pegasus->data = usb_alloc_coherent(dev, pegasus->data_len, GFP_KERNEL,
&pegasus->data_dma);
/* Set up irq_urb */
pipe = usb_rcvintpipe(udev, ati_remote->endpoint_in->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
maxp = (maxp > DATA_BUFSIZE) ? DATA_BUFSIZE : maxp;
usb_fill_int_urb(ati_remote->irq_urb, udev, pipe, ati_remote->inbuf,
/* Set up out_urb */
pipe = usb_sndintpipe(udev, ati_remote->endpoint_out->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
maxp = (maxp > DATA_BUFSIZE) ? DATA_BUFSIZE : maxp;
usb_fill_int_urb(ati_remote->out_urb, udev, pipe, ati_remote->outbuf,
pipe = usb_rcvintpipe(dev, ep_in->bEndpointAddress);
else
pipe = usb_rcvbulkpipe(dev, ep_in->bEndpointAddress);
- maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(dev, pipe);
ir = kzalloc(sizeof(struct mceusb_dev), GFP_KERNEL);
if (!ir)
}
pipe = usb_rcvintpipe(usbdev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(usbdev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(usbdev, pipe);
if (maxp == 0) {
dev_err(&intf->dev, "%s: endpoint Max Packet Size is 0!?!\n",
/* Set up irq_urb */
pipe = usb_rcvintpipe(udev, endpoint_in->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
maxp = (maxp > DATA_BUFSIZE) ? DATA_BUFSIZE : maxp;
usb_fill_int_urb(xbox_remote->irq_urb, udev, pipe, xbox_remote->inbuf,
pipe = usb_rcvbulkpipe(dev->udev, dev->bulk_in.endp->desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK);
- size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
+ size = usb_maxpacket(dev->udev, pipe);
size = size * 15; /* 512 x 8 or 12 or 15 */
dvb->bulk_urb->transfer_buffer = kzalloc(size, GFP_KERNEL);
dev->int_in.endp->desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK);
- size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
+ size = usb_maxpacket(dev->udev, pipe);
dprintk(1, "IR max size: %d\n", size);
ir->int_urb->transfer_buffer = kzalloc(size, GFP_ATOMIC);
dev->isoc_in.endp->desc.bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK);
- size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
+ size = usb_maxpacket(dev->udev, pipe);
if (size > dev->isoc_in.maxsize)
size = dev->isoc_in.maxsize;
{
struct device *base = data;
- if (strcmp(dev->driver->name, "i915") ||
+ if (!dev->driver || strcmp(dev->driver->name, "i915") ||
subcomponent != I915_COMPONENT_HDCP)
return 0;
{
struct device *base = data;
- if (strcmp(dev->driver->name, "i915") ||
+ if (!dev->driver || strcmp(dev->driver->name, "i915") ||
subcomponent != I915_COMPONENT_PXP)
return 0;
* .bind which is called before usbnet sets up dev->maxpacket
*/
if (val != le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize) &&
- val % usb_maxpacket(dev->udev, dev->out, 1) == 0)
+ val % usb_maxpacket(dev->udev, dev->out) == 0)
val++;
/* we might need to flush any pending tx buffers if running */
usbnet_update_max_qlen(dev);
/* never pad more than 3 full USB packets per transfer */
- ctx->min_tx_pkt = clamp_t(u16, ctx->tx_max - 3 * usb_maxpacket(dev->udev, dev->out, 1),
+ ctx->min_tx_pkt = clamp_t(u16, ctx->tx_max - 3 * usb_maxpacket(dev->udev, dev->out),
CDC_NCM_MIN_TX_PKT, ctx->tx_max);
}
goto out4;
period = ep_intr->desc.bInterval;
- maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
+ maxp = usb_maxpacket(dev->udev, dev->pipe_intr);
buf = kmalloc(maxp, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
dev->urb_intr->transfer_flags |= URB_FREE_BUFFER;
}
- dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out, 1);
+ dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out);
/* Reject broken descriptors. */
if (dev->maxpacket == 0) {
net->hard_header_len += sizeof (struct rndis_data_hdr);
dev->hard_mtu = net->mtu + net->hard_header_len;
- dev->maxpacket = usb_maxpacket(dev->udev, dev->out, 1);
+ dev->maxpacket = usb_maxpacket(dev->udev, dev->out);
if (dev->maxpacket == 0) {
netif_dbg(dev, probe, dev->net,
"dev->maxpacket can't be 0\n");
pipe = usb_rcvintpipe (dev->udev,
dev->status->desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK);
- maxp = usb_maxpacket (dev->udev, pipe, 0);
+ maxp = usb_maxpacket(dev->udev, pipe);
/* avoid 1 msec chatter: min 8 msec poll rate */
period = max ((int) dev->status->desc.bInterval,
if (!dev->rx_urb_size)
dev->rx_urb_size = dev->hard_mtu;
- dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1);
+ dev->maxpacket = usb_maxpacket(dev->udev, dev->out);
if (dev->maxpacket == 0) {
/* that is a broken device */
status = -ENODEV;
INIT_WORK(&usb->stat_work, mt76u_tx_status_data);
- usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0), 1);
+ usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0));
if (usb->data_len < 32)
usb->data_len = 32;
if (queue->qid == QID_RX) {
pipe = usb_rcvbulkpipe(usb_dev, queue->usb_endpoint);
- queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe, 0);
+ queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe);
} else {
pipe = usb_sndbulkpipe(usb_dev, queue->usb_endpoint);
- queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe, 1);
+ queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe);
}
if (!queue->usb_maxpacket)
static struct tb_cfg_request *
tb_cfg_request_find(struct tb_ctl *ctl, struct ctl_pkg *pkg)
{
- struct tb_cfg_request *req;
- bool found = false;
+ struct tb_cfg_request *req = NULL, *iter;
mutex_lock(&pkg->ctl->request_queue_lock);
- list_for_each_entry(req, &pkg->ctl->request_queue, list) {
- tb_cfg_request_get(req);
- if (req->match(req, pkg)) {
- found = true;
+ list_for_each_entry(iter, &pkg->ctl->request_queue, list) {
+ tb_cfg_request_get(iter);
+ if (iter->match(iter, pkg)) {
+ req = iter;
break;
}
- tb_cfg_request_put(req);
+ tb_cfg_request_put(iter);
}
mutex_unlock(&pkg->ctl->request_queue_lock);
- return found ? req : NULL;
+ return req;
}
/* utility functions */
nhi->pdev = pdev;
nhi->ops = (const struct tb_nhi_ops *)id->driver_data;
- /* cannot fail - table is allocated bin pcim_iomap_regions */
+ /* cannot fail - table is allocated in pcim_iomap_regions */
nhi->iobase = pcim_iomap_table(pdev)[0];
nhi->hop_count = ioread32(nhi->iobase + REG_HOP_COUNT) & 0x3ff;
dev_dbg(&pdev->dev, "total paths: %d\n", nhi->hop_count);
return NULL;
}
+ tb_dbg(path->tb, "discovering %s path starting from %llx:%u\n",
+ path->name, tb_route(src->sw), src->port);
+
p = src;
h = src_hopid;
path->hops[i].out_port = out_port;
path->hops[i].next_hop_index = next_hop;
+ tb_dump_hop(&path->hops[i], &hop);
+
h = next_hop;
p = out_port->remote;
}
+ tb_dbg(path->tb, "path discovery complete\n");
return path;
err:
else
phy |= LANE_ADP_CS_1_LD;
- return tb_port_write(port, &phy, TB_CFG_PORT,
- port->cap_phy + LANE_ADP_CS_1, 1);
+
+ ret = tb_port_write(port, &phy, TB_CFG_PORT,
+ port->cap_phy + LANE_ADP_CS_1, 1);
+ if (ret)
+ return ret;
+
+ tb_port_dbg(port, "lane %sabled\n", enable ? "en" : "dis");
+ return 0;
}
/**
return !!(widths & width);
}
-static int tb_port_set_link_width(struct tb_port *port, unsigned int width)
+/**
+ * tb_port_set_link_width() - Set target link width of the lane adapter
+ * @port: Lane adapter
+ * @width: Target link width (%1 or %2)
+ *
+ * Sets the target link width of the lane adapter to @width. Does not
+ * enable/disable lane bonding. For that call tb_port_set_lane_bonding().
+ *
+ * Return: %0 in case of success and negative errno in case of error
+ */
+int tb_port_set_link_width(struct tb_port *port, unsigned int width)
{
u32 val;
int ret;
return -EINVAL;
}
- val |= LANE_ADP_CS_1_LB;
-
return tb_port_write(port, &val, TB_CFG_PORT,
port->cap_phy + LANE_ADP_CS_1, 1);
}
+/**
+ * tb_port_set_lane_bonding() - Enable/disable lane bonding
+ * @port: Lane adapter
+ * @bonding: enable/disable bonding
+ *
+ * Enables or disables lane bonding. This should be called after target
+ * link width has been set (tb_port_set_link_width()). Note in most
+ * cases one should use tb_port_lane_bonding_enable() instead to enable
+ * lane bonding.
+ *
+ * As a side effect sets @port->bonding accordingly (and does the same
+ * for lane 1 too).
+ *
+ * Return: %0 in case of success and negative errno in case of error
+ */
+int tb_port_set_lane_bonding(struct tb_port *port, bool bonding)
+{
+ u32 val;
+ int ret;
+
+ if (!port->cap_phy)
+ return -EINVAL;
+
+ ret = tb_port_read(port, &val, TB_CFG_PORT,
+ port->cap_phy + LANE_ADP_CS_1, 1);
+ if (ret)
+ return ret;
+
+ if (bonding)
+ val |= LANE_ADP_CS_1_LB;
+ else
+ val &= ~LANE_ADP_CS_1_LB;
+
+ ret = tb_port_write(port, &val, TB_CFG_PORT,
+ port->cap_phy + LANE_ADP_CS_1, 1);
+ if (ret)
+ return ret;
+
+ /*
+ * When lane 0 bonding is set it will affect lane 1 too so
+ * update both.
+ */
+ port->bonded = bonding;
+ port->dual_link_port->bonded = bonding;
+
+ return 0;
+}
+
/**
* tb_port_lane_bonding_enable() - Enable bonding on port
* @port: port to enable
if (ret == 1) {
ret = tb_port_set_link_width(port, 2);
if (ret)
- return ret;
+ goto err_lane0;
}
ret = tb_port_get_link_width(port->dual_link_port);
if (ret == 1) {
ret = tb_port_set_link_width(port->dual_link_port, 2);
- if (ret) {
- tb_port_set_link_width(port, 1);
- return ret;
- }
+ if (ret)
+ goto err_lane0;
}
- port->bonded = true;
- port->dual_link_port->bonded = true;
+ ret = tb_port_set_lane_bonding(port, true);
+ if (ret)
+ goto err_lane1;
return 0;
+
+err_lane1:
+ tb_port_set_link_width(port->dual_link_port, 1);
+err_lane0:
+ tb_port_set_link_width(port, 1);
+ return ret;
}
/**
*
* Disable bonding by setting the link width of the port and the
* other port in case of dual link port.
- *
*/
void tb_port_lane_bonding_disable(struct tb_port *port)
{
- port->dual_link_port->bonded = false;
- port->bonded = false;
-
+ tb_port_set_lane_bonding(port, false);
tb_port_set_link_width(port->dual_link_port, 1);
tb_port_set_link_width(port, 1);
}
do {
ret = tb_port_get_link_width(port);
- if (ret < 0)
- return ret;
- else if (ret == width)
+ if (ret < 0) {
+ /*
+ * Sometimes we get port locked error when
+ * polling the lanes so we can ignore it and
+ * retry.
+ */
+ if (ret != -EACCES)
+ return ret;
+ } else if (ret == width) {
return 0;
+ }
usleep_range(1000, 2000);
} while (ktime_before(ktime_get(), timeout));
static int tb_port_configure_xdomain(struct tb_port *port)
{
- /*
- * XDomain paths currently only support single lane so we must
- * disable the other lane according to USB4 spec.
- */
- tb_port_disable(port->dual_link_port);
-
if (tb_switch_is_usb4(port->sw))
return usb4_port_configure_xdomain(port);
return tb_lc_configure_xdomain(port);
static void tb_tunnel_dp(struct tb *tb)
{
- int available_up, available_down, ret;
+ int available_up, available_down, ret, link_nr;
struct tb_cm *tcm = tb_priv(tb);
struct tb_port *port, *in, *out;
struct tb_tunnel *tunnel;
return;
}
+ /*
+ * This is only applicable to links that are not bonded (so
+ * when Thunderbolt 1 hardware is involved somewhere in the
+ * topology). For these try to share the DP bandwidth between
+ * the two lanes.
+ */
+ link_nr = 1;
+ list_for_each_entry(tunnel, &tcm->tunnel_list, list) {
+ if (tb_tunnel_is_dp(tunnel)) {
+ link_nr = 0;
+ break;
+ }
+ }
+
/*
* DP stream needs the domain to be active so runtime resume
* both ends of the tunnel.
tb_dbg(tb, "available bandwidth for new DP tunnel %u/%u Mb/s\n",
available_up, available_down);
- tunnel = tb_tunnel_alloc_dp(tb, in, out, available_up, available_down);
+ tunnel = tb_tunnel_alloc_dp(tb, in, out, link_nr, available_up,
+ available_down);
if (!tunnel) {
tb_port_dbg(out, "could not allocate DP tunnel\n");
goto err_reclaim;
#define __TB_PORT_PRINT(level, _port, fmt, arg...) \
do { \
const struct tb_port *__port = (_port); \
- level(__port->sw->tb, "%llx:%x: " fmt, \
+ level(__port->sw->tb, "%llx:%u: " fmt, \
tb_route(__port->sw), __port->port, ## arg); \
} while (0)
#define tb_port_WARN(port, fmt, arg...) \
int tb_switch_xhci_connect(struct tb_switch *sw);
void tb_switch_xhci_disconnect(struct tb_switch *sw);
+int tb_port_state(struct tb_port *port);
int tb_wait_for_port(struct tb_port *port, bool wait_if_unplugged);
int tb_port_add_nfc_credits(struct tb_port *port, int credits);
int tb_port_clear_counter(struct tb_port *port, int counter);
int tb_port_get_link_speed(struct tb_port *port);
int tb_port_get_link_width(struct tb_port *port);
-int tb_port_state(struct tb_port *port);
+int tb_port_set_link_width(struct tb_port *port, unsigned int width);
+int tb_port_set_lane_bonding(struct tb_port *port, bool bonding);
int tb_port_lane_bonding_enable(struct tb_port *port);
void tb_port_lane_bonding_disable(struct tb_port *port);
int tb_port_wait_for_link_width(struct tb_port *port, int width,
PROPERTIES_CHANGED_RESPONSE,
ERROR_RESPONSE,
UUID_REQUEST = 12,
+ LINK_STATE_STATUS_REQUEST = 15,
+ LINK_STATE_STATUS_RESPONSE,
+ LINK_STATE_CHANGE_REQUEST,
+ LINK_STATE_CHANGE_RESPONSE,
};
struct tb_xdp_header {
u32 error;
};
+struct tb_xdp_link_state_status {
+ struct tb_xdp_header hdr;
+};
+
+struct tb_xdp_link_state_status_response {
+ union {
+ struct tb_xdp_error_response err;
+ struct {
+ struct tb_xdp_header hdr;
+ u32 status;
+ u8 slw;
+ u8 tlw;
+ u8 sls;
+ u8 tls;
+ };
+ };
+};
+
+struct tb_xdp_link_state_change {
+ struct tb_xdp_header hdr;
+ u8 tlw;
+ u8 tls;
+ u16 reserved;
+};
+
+struct tb_xdp_link_state_change_response {
+ union {
+ struct tb_xdp_error_response err;
+ struct {
+ struct tb_xdp_header hdr;
+ u32 status;
+ };
+ };
+};
+
struct tb_xdp_uuid {
struct tb_xdp_header hdr;
};
/* Lane adapter registers */
#define LANE_ADP_CS_0 0x00
+#define LANE_ADP_CS_0_SUPPORTED_SPEED_MASK GENMASK(19, 16)
+#define LANE_ADP_CS_0_SUPPORTED_SPEED_SHIFT 16
#define LANE_ADP_CS_0_SUPPORTED_WIDTH_MASK GENMASK(25, 20)
#define LANE_ADP_CS_0_SUPPORTED_WIDTH_SHIFT 20
+#define LANE_ADP_CS_0_SUPPORTED_WIDTH_DUAL 0x2
#define LANE_ADP_CS_0_CL0S_SUPPORT BIT(26)
#define LANE_ADP_CS_0_CL1_SUPPORT BIT(27)
#define LANE_ADP_CS_1 0x01
+#define LANE_ADP_CS_1_TARGET_SPEED_MASK GENMASK(3, 0)
+#define LANE_ADP_CS_1_TARGET_SPEED_GEN3 0xc
#define LANE_ADP_CS_1_TARGET_WIDTH_MASK GENMASK(9, 4)
#define LANE_ADP_CS_1_TARGET_WIDTH_SHIFT 4
#define LANE_ADP_CS_1_TARGET_WIDTH_SINGLE 0x1
return sw;
}
+static struct tb_switch *alloc_dev_without_dp(struct kunit *test,
+ struct tb_switch *parent,
+ u64 route, bool bonded)
+{
+ struct tb_switch *sw;
+ int i;
+
+ sw = alloc_dev_default(test, parent, route, bonded);
+ if (!sw)
+ return NULL;
+ /*
+ * Device with:
+ * 2x USB4 Adapters (adapters 1,2 and 3,4),
+ * 1x PCIe Upstream (adapter 9),
+ * 1x PCIe Downstream (adapter 10),
+ * 1x USB3 Upstream (adapter 16),
+ * 1x USB3 Downstream (adapter 17)
+ */
+ for (i = 5; i <= 8; i++)
+ sw->ports[i].disabled = true;
+
+ for (i = 11; i <= 14; i++)
+ sw->ports[i].disabled = true;
+
+ sw->ports[13].cap_adap = 0;
+ sw->ports[14].cap_adap = 0;
+
+ for (i = 18; i <= 19; i++)
+ sw->ports[i].disabled = true;
+
+ sw->generation = 4;
+ sw->credit_allocation = true;
+ sw->max_usb3_credits = 109;
+ sw->min_dp_aux_credits = 0;
+ sw->min_dp_main_credits = 0;
+ sw->max_pcie_credits = 30;
+ sw->max_dma_credits = 1;
+
+ return sw;
+}
+
static struct tb_switch *alloc_dev_usb4(struct kunit *test,
struct tb_switch *parent,
u64 route, bool bonded)
in = &host->ports[5];
out = &dev->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &host->ports[5];
out = &dev4->ports[14];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev2->ports[13];
out = &dev5->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev6->ports[13];
out = &dev12->ports[13];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_EXPECT_EQ(test, tunnel->type, TB_TUNNEL_DP);
KUNIT_EXPECT_PTR_EQ(test, tunnel->src_port, in);
in = &dev2->ports[13];
out = &dev5->ports[13];
- dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel != NULL);
KUNIT_EXPECT_TRUE(test, tb_tunnel_port_on_path(dp_tunnel, in));
tb_tunnel_free(tunnel);
}
+static void tb_test_credit_alloc_without_dp(struct kunit *test)
+{
+ struct tb_switch *host, *dev;
+ struct tb_port *up, *down;
+ struct tb_tunnel *tunnel;
+ struct tb_path *path;
+
+ host = alloc_host_usb4(test);
+ dev = alloc_dev_without_dp(test, host, 0x1, true);
+
+ /*
+ * The device has no DP therefore baMinDPmain = baMinDPaux = 0
+ *
+ * Create PCIe path with buffers less than baMaxPCIe.
+ *
+ * For a device with buffers configurations:
+ * baMaxUSB3 = 109
+ * baMinDPaux = 0
+ * baMinDPmain = 0
+ * baMaxPCIe = 30
+ * baMaxHI = 1
+ * Remaining Buffers = Total - (CP + DP) = 120 - (2 + 0) = 118
+ * PCIe Credits = Max(6, Min(baMaxPCIe, Remaining Buffers - baMaxUSB3)
+ * = Max(6, Min(30, 9) = 9
+ */
+ down = &host->ports[8];
+ up = &dev->ports[9];
+ tunnel = tb_tunnel_alloc_pci(NULL, up, down);
+ KUNIT_ASSERT_TRUE(test, tunnel != NULL);
+ KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)2);
+
+ /* PCIe downstream path */
+ path = tunnel->paths[0];
+ KUNIT_ASSERT_EQ(test, path->path_length, 2);
+ KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U);
+ KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U);
+ KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U);
+ KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 9U);
+
+ /* PCIe upstream path */
+ path = tunnel->paths[1];
+ KUNIT_ASSERT_EQ(test, path->path_length, 2);
+ KUNIT_EXPECT_EQ(test, path->hops[0].nfc_credits, 0U);
+ KUNIT_EXPECT_EQ(test, path->hops[0].initial_credits, 7U);
+ KUNIT_EXPECT_EQ(test, path->hops[1].nfc_credits, 0U);
+ KUNIT_EXPECT_EQ(test, path->hops[1].initial_credits, 64U);
+
+ tb_tunnel_free(tunnel);
+}
+
static void tb_test_credit_alloc_dp(struct kunit *test)
{
struct tb_switch *host, *dev;
in = &host->ports[5];
out = &dev->ports[14];
- tunnel = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ tunnel = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, tunnel != NULL);
KUNIT_ASSERT_EQ(test, tunnel->npaths, (size_t)3);
in = &host->ports[5];
out = &dev->ports[13];
- dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel1 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel1 != NULL);
KUNIT_ASSERT_EQ(test, dp_tunnel1->npaths, (size_t)3);
in = &host->ports[6];
out = &dev->ports[14];
- dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 0, 0);
+ dp_tunnel2 = tb_tunnel_alloc_dp(NULL, in, out, 1, 0, 0);
KUNIT_ASSERT_TRUE(test, dp_tunnel2 != NULL);
KUNIT_ASSERT_EQ(test, dp_tunnel2->npaths, (size_t)3);
KUNIT_CASE(tb_test_credit_alloc_legacy_not_bonded),
KUNIT_CASE(tb_test_credit_alloc_legacy_bonded),
KUNIT_CASE(tb_test_credit_alloc_pcie),
+ KUNIT_CASE(tb_test_credit_alloc_without_dp),
KUNIT_CASE(tb_test_credit_alloc_dp),
KUNIT_CASE(tb_test_credit_alloc_usb3),
KUNIT_CASE(tb_test_credit_alloc_dma),
* Maximum number of DP streams possible through the
* lane adapter.
*/
- ndp = (credits - (usb3 + pcie + spare)) /
- (sw->min_dp_aux_credits + sw->min_dp_main_credits);
+ if (sw->min_dp_aux_credits + sw->min_dp_main_credits)
+ ndp = (credits - (usb3 + pcie + spare)) /
+ (sw->min_dp_aux_credits + sw->min_dp_main_credits);
+ else
+ ndp = 0;
} else {
ndp = 0;
}
* @tb: Pointer to the domain structure
* @in: DP in adapter port
* @out: DP out adapter port
+ * @link_nr: Preferred lane adapter when the link is not bonded
* @max_up: Maximum available upstream bandwidth for the DP tunnel (%0
* if not limited)
* @max_down: Maximum available downstream bandwidth for the DP tunnel
* Return: Returns a tb_tunnel on success or NULL on failure.
*/
struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
- struct tb_port *out, int max_up,
- int max_down)
+ struct tb_port *out, int link_nr,
+ int max_up, int max_down)
{
struct tb_tunnel *tunnel;
struct tb_path **paths;
paths = tunnel->paths;
path = tb_path_alloc(tb, in, TB_DP_VIDEO_HOPID, out, TB_DP_VIDEO_HOPID,
- 1, "Video");
+ link_nr, "Video");
if (!path)
goto err_free;
tb_dp_init_video_path(path);
paths[TB_DP_VIDEO_PATH_OUT] = path;
path = tb_path_alloc(tb, in, TB_DP_AUX_TX_HOPID, out,
- TB_DP_AUX_TX_HOPID, 1, "AUX TX");
+ TB_DP_AUX_TX_HOPID, link_nr, "AUX TX");
if (!path)
goto err_free;
tb_dp_init_aux_path(path);
paths[TB_DP_AUX_PATH_OUT] = path;
path = tb_path_alloc(tb, out, TB_DP_AUX_RX_HOPID, in,
- TB_DP_AUX_RX_HOPID, 1, "AUX RX");
+ TB_DP_AUX_RX_HOPID, link_nr, "AUX RX");
if (!path)
goto err_free;
tb_dp_init_aux_path(path);
struct tb_tunnel *tb_tunnel_discover_dp(struct tb *tb, struct tb_port *in,
bool alloc_hopid);
struct tb_tunnel *tb_tunnel_alloc_dp(struct tb *tb, struct tb_port *in,
- struct tb_port *out, int max_up,
- int max_down);
+ struct tb_port *out, int link_nr,
+ int max_up, int max_down);
struct tb_tunnel *tb_tunnel_alloc_dma(struct tb *tb, struct tb_port *nhi,
struct tb_port *dst, int transmit_path,
int transmit_ring, int receive_path,
*/
#include <linux/pm_runtime.h>
+#include <linux/component.h>
+#include <linux/property.h>
#include "tb.h"
+static int connector_bind(struct device *dev, struct device *connector, void *data)
+{
+ int ret;
+
+ ret = sysfs_create_link(&dev->kobj, &connector->kobj, "connector");
+ if (ret)
+ return ret;
+
+ ret = sysfs_create_link(&connector->kobj, &dev->kobj, dev_name(dev));
+ if (ret)
+ sysfs_remove_link(&dev->kobj, "connector");
+
+ return ret;
+}
+
+static void connector_unbind(struct device *dev, struct device *connector, void *data)
+{
+ sysfs_remove_link(&connector->kobj, dev_name(dev));
+ sysfs_remove_link(&dev->kobj, "connector");
+}
+
+static const struct component_ops connector_ops = {
+ .bind = connector_bind,
+ .unbind = connector_unbind,
+};
+
static ssize_t link_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return ERR_PTR(ret);
}
+ if (dev_fwnode(&usb4->dev)) {
+ ret = component_add(&usb4->dev, &connector_ops);
+ if (ret) {
+ dev_err(&usb4->dev, "failed to add component\n");
+ device_unregister(&usb4->dev);
+ }
+ }
+
pm_runtime_no_callbacks(&usb4->dev);
pm_runtime_set_active(&usb4->dev);
pm_runtime_enable(&usb4->dev);
*/
void usb4_port_device_remove(struct usb4_port *usb4)
{
+ if (dev_fwnode(&usb4->dev))
+ component_del(&usb4->dev, &connector_ops);
device_unregister(&usb4->dev);
}
#include "tb.h"
-#define XDOMAIN_DEFAULT_TIMEOUT 1000 /* ms */
-#define XDOMAIN_UUID_RETRIES 10
-#define XDOMAIN_PROPERTIES_RETRIES 10
-#define XDOMAIN_PROPERTIES_CHANGED_RETRIES 10
-#define XDOMAIN_BONDING_WAIT 100 /* ms */
+#define XDOMAIN_SHORT_TIMEOUT 100 /* ms */
+#define XDOMAIN_DEFAULT_TIMEOUT 1000 /* ms */
+#define XDOMAIN_BONDING_TIMEOUT 10000 /* ms */
+#define XDOMAIN_RETRIES 10
#define XDOMAIN_DEFAULT_MAX_HOPID 15
+enum {
+ XDOMAIN_STATE_INIT,
+ XDOMAIN_STATE_UUID,
+ XDOMAIN_STATE_LINK_STATUS,
+ XDOMAIN_STATE_LINK_STATE_CHANGE,
+ XDOMAIN_STATE_LINK_STATUS2,
+ XDOMAIN_STATE_BONDING_UUID_LOW,
+ XDOMAIN_STATE_BONDING_UUID_HIGH,
+ XDOMAIN_STATE_PROPERTIES,
+ XDOMAIN_STATE_ENUMERATED,
+ XDOMAIN_STATE_ERROR,
+};
+
+static const char * const state_names[] = {
+ [XDOMAIN_STATE_INIT] = "INIT",
+ [XDOMAIN_STATE_UUID] = "UUID",
+ [XDOMAIN_STATE_LINK_STATUS] = "LINK_STATUS",
+ [XDOMAIN_STATE_LINK_STATE_CHANGE] = "LINK_STATE_CHANGE",
+ [XDOMAIN_STATE_LINK_STATUS2] = "LINK_STATUS2",
+ [XDOMAIN_STATE_BONDING_UUID_LOW] = "BONDING_UUID_LOW",
+ [XDOMAIN_STATE_BONDING_UUID_HIGH] = "BONDING_UUID_HIGH",
+ [XDOMAIN_STATE_PROPERTIES] = "PROPERTIES",
+ [XDOMAIN_STATE_ENUMERATED] = "ENUMERATED",
+ [XDOMAIN_STATE_ERROR] = "ERROR",
+};
+
struct xdomain_request_work {
struct work_struct work;
struct tb_xdp_header *pkg;
}
static int tb_xdp_uuid_request(struct tb_ctl *ctl, u64 route, int retry,
- uuid_t *uuid)
+ uuid_t *uuid, u64 *remote_route)
{
struct tb_xdp_uuid_response res;
struct tb_xdp_uuid req;
return ret;
uuid_copy(uuid, &res.src_uuid);
+ *remote_route = (u64)res.src_route_hi << 32 | res.src_route_lo;
+
return 0;
}
TB_CFG_PKG_XDOMAIN_RESP);
}
+static int tb_xdp_link_state_status_request(struct tb_ctl *ctl, u64 route,
+ u8 sequence, u8 *slw, u8 *tlw,
+ u8 *sls, u8 *tls)
+{
+ struct tb_xdp_link_state_status_response res;
+ struct tb_xdp_link_state_status req;
+ int ret;
+
+ memset(&req, 0, sizeof(req));
+ tb_xdp_fill_header(&req.hdr, route, sequence, LINK_STATE_STATUS_REQUEST,
+ sizeof(req));
+
+ memset(&res, 0, sizeof(res));
+ ret = __tb_xdomain_request(ctl, &req, sizeof(req), TB_CFG_PKG_XDOMAIN_REQ,
+ &res, sizeof(res), TB_CFG_PKG_XDOMAIN_RESP,
+ XDOMAIN_DEFAULT_TIMEOUT);
+ if (ret)
+ return ret;
+
+ ret = tb_xdp_handle_error(&res.err);
+ if (ret)
+ return ret;
+
+ if (res.status != 0)
+ return -EREMOTEIO;
+
+ *slw = res.slw;
+ *tlw = res.tlw;
+ *sls = res.sls;
+ *tls = res.tls;
+
+ return 0;
+}
+
+static int tb_xdp_link_state_status_response(struct tb *tb, struct tb_ctl *ctl,
+ struct tb_xdomain *xd, u8 sequence)
+{
+ struct tb_switch *sw = tb_to_switch(xd->dev.parent);
+ struct tb_xdp_link_state_status_response res;
+ struct tb_port *port = tb_port_at(xd->route, sw);
+ u32 val[2];
+ int ret;
+
+ memset(&res, 0, sizeof(res));
+ tb_xdp_fill_header(&res.hdr, xd->route, sequence,
+ LINK_STATE_STATUS_RESPONSE, sizeof(res));
+
+ ret = tb_port_read(port, val, TB_CFG_PORT,
+ port->cap_phy + LANE_ADP_CS_0, ARRAY_SIZE(val));
+ if (ret)
+ return ret;
+
+ res.slw = (val[0] & LANE_ADP_CS_0_SUPPORTED_WIDTH_MASK) >>
+ LANE_ADP_CS_0_SUPPORTED_WIDTH_SHIFT;
+ res.sls = (val[0] & LANE_ADP_CS_0_SUPPORTED_SPEED_MASK) >>
+ LANE_ADP_CS_0_SUPPORTED_SPEED_SHIFT;
+ res.tls = val[1] & LANE_ADP_CS_1_TARGET_SPEED_MASK;
+ res.tlw = (val[1] & LANE_ADP_CS_1_TARGET_WIDTH_MASK) >>
+ LANE_ADP_CS_1_TARGET_WIDTH_SHIFT;
+
+ return __tb_xdomain_response(ctl, &res, sizeof(res),
+ TB_CFG_PKG_XDOMAIN_RESP);
+}
+
+static int tb_xdp_link_state_change_request(struct tb_ctl *ctl, u64 route,
+ u8 sequence, u8 tlw, u8 tls)
+{
+ struct tb_xdp_link_state_change_response res;
+ struct tb_xdp_link_state_change req;
+ int ret;
+
+ memset(&req, 0, sizeof(req));
+ tb_xdp_fill_header(&req.hdr, route, sequence, LINK_STATE_CHANGE_REQUEST,
+ sizeof(req));
+ req.tlw = tlw;
+ req.tls = tls;
+
+ memset(&res, 0, sizeof(res));
+ ret = __tb_xdomain_request(ctl, &req, sizeof(req), TB_CFG_PKG_XDOMAIN_REQ,
+ &res, sizeof(res), TB_CFG_PKG_XDOMAIN_RESP,
+ XDOMAIN_DEFAULT_TIMEOUT);
+ if (ret)
+ return ret;
+
+ ret = tb_xdp_handle_error(&res.err);
+ if (ret)
+ return ret;
+
+ return res.status != 0 ? -EREMOTEIO : 0;
+}
+
+static int tb_xdp_link_state_change_response(struct tb_ctl *ctl, u64 route,
+ u8 sequence, u32 status)
+{
+ struct tb_xdp_link_state_change_response res;
+
+ memset(&res, 0, sizeof(res));
+ tb_xdp_fill_header(&res.hdr, route, sequence, LINK_STATE_CHANGE_RESPONSE,
+ sizeof(res));
+
+ res.status = status;
+
+ return __tb_xdomain_response(ctl, &res, sizeof(res),
+ TB_CFG_PKG_XDOMAIN_RESP);
+}
+
/**
* tb_register_protocol_handler() - Register protocol handler
* @handler: Handler to register
goto out;
}
- tb_dbg(tb, "%llx: received XDomain request %#x\n", route, pkg->type);
-
xd = tb_xdomain_find_by_route_locked(tb, route);
if (xd)
update_property_block(xd);
switch (pkg->type) {
case PROPERTIES_REQUEST:
+ tb_dbg(tb, "%llx: received XDomain properties request\n", route);
if (xd) {
ret = tb_xdp_properties_response(tb, ctl, xd, sequence,
(const struct tb_xdp_properties *)pkg);
break;
case PROPERTIES_CHANGED_REQUEST:
+ tb_dbg(tb, "%llx: received XDomain properties changed request\n",
+ route);
+
ret = tb_xdp_properties_changed_response(ctl, route, sequence);
/*
* the xdomain related to this connection as well in
* case there is a change in services it offers.
*/
- if (xd && device_is_registered(&xd->dev)) {
- queue_delayed_work(tb->wq, &xd->get_properties_work,
- msecs_to_jiffies(50));
- }
+ if (xd && device_is_registered(&xd->dev))
+ queue_delayed_work(tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_SHORT_TIMEOUT));
break;
case UUID_REQUEST_OLD:
case UUID_REQUEST:
+ tb_dbg(tb, "%llx: received XDomain UUID request\n", route);
ret = tb_xdp_uuid_response(ctl, route, sequence, uuid);
break;
+ case LINK_STATE_STATUS_REQUEST:
+ tb_dbg(tb, "%llx: received XDomain link state status request\n",
+ route);
+
+ if (xd) {
+ ret = tb_xdp_link_state_status_response(tb, ctl, xd,
+ sequence);
+ } else {
+ tb_xdp_error_response(ctl, route, sequence,
+ ERROR_NOT_READY);
+ }
+ break;
+
+ case LINK_STATE_CHANGE_REQUEST:
+ tb_dbg(tb, "%llx: received XDomain link state change request\n",
+ route);
+
+ if (xd && xd->state == XDOMAIN_STATE_BONDING_UUID_HIGH) {
+ const struct tb_xdp_link_state_change *lsc =
+ (const struct tb_xdp_link_state_change *)pkg;
+
+ ret = tb_xdp_link_state_change_response(ctl, route,
+ sequence, 0);
+ xd->target_link_width = lsc->tlw;
+ queue_delayed_work(tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_SHORT_TIMEOUT));
+ } else {
+ tb_xdp_error_response(ctl, route, sequence,
+ ERROR_NOT_READY);
+ }
+ break;
+
default:
+ tb_dbg(tb, "%llx: unknown XDomain request %#x\n", route, pkg->type);
tb_xdp_error_response(ctl, route, sequence,
ERROR_NOT_SUPPORTED);
break;
return 0;
}
-static void tb_xdomain_get_uuid(struct work_struct *work)
+static int tb_xdomain_get_uuid(struct tb_xdomain *xd)
{
- struct tb_xdomain *xd = container_of(work, typeof(*xd),
- get_uuid_work.work);
struct tb *tb = xd->tb;
uuid_t uuid;
+ u64 route;
int ret;
dev_dbg(&xd->dev, "requesting remote UUID\n");
- ret = tb_xdp_uuid_request(tb->ctl, xd->route, xd->uuid_retries, &uuid);
+ ret = tb_xdp_uuid_request(tb->ctl, xd->route, xd->state_retries, &uuid,
+ &route);
if (ret < 0) {
- if (xd->uuid_retries-- > 0) {
+ if (xd->state_retries-- > 0) {
dev_dbg(&xd->dev, "failed to request UUID, retrying\n");
- queue_delayed_work(xd->tb->wq, &xd->get_uuid_work,
- msecs_to_jiffies(100));
+ return -EAGAIN;
} else {
dev_dbg(&xd->dev, "failed to read remote UUID\n");
}
- return;
+ return ret;
}
dev_dbg(&xd->dev, "got remote UUID %pUb\n", &uuid);
- if (uuid_equal(&uuid, xd->local_uuid))
- dev_dbg(&xd->dev, "intra-domain loop detected\n");
+ if (uuid_equal(&uuid, xd->local_uuid)) {
+ if (route == xd->route)
+ dev_dbg(&xd->dev, "loop back detected\n");
+ else
+ dev_dbg(&xd->dev, "intra-domain loop detected\n");
+
+ /* Don't bond lanes automatically for loops */
+ xd->bonding_possible = false;
+ }
/*
* If the UUID is different, there is another domain connected
if (xd->remote_uuid && !uuid_equal(&uuid, xd->remote_uuid)) {
dev_dbg(&xd->dev, "remote UUID is different, unplugging\n");
xd->is_unplugged = true;
- return;
+ return -ENODEV;
}
/* First time fill in the missing UUID */
if (!xd->remote_uuid) {
xd->remote_uuid = kmemdup(&uuid, sizeof(uuid_t), GFP_KERNEL);
if (!xd->remote_uuid)
- return;
+ return -ENOMEM;
}
- /* Now we can start the normal properties exchange */
- queue_delayed_work(xd->tb->wq, &xd->properties_changed_work,
- msecs_to_jiffies(100));
- queue_delayed_work(xd->tb->wq, &xd->get_properties_work,
- msecs_to_jiffies(1000));
+ return 0;
}
-static void tb_xdomain_get_properties(struct work_struct *work)
+static int tb_xdomain_get_link_status(struct tb_xdomain *xd)
+{
+ struct tb *tb = xd->tb;
+ u8 slw, tlw, sls, tls;
+ int ret;
+
+ dev_dbg(&xd->dev, "sending link state status request to %pUb\n",
+ xd->remote_uuid);
+
+ ret = tb_xdp_link_state_status_request(tb->ctl, xd->route,
+ xd->state_retries, &slw, &tlw, &sls,
+ &tls);
+ if (ret) {
+ if (ret != -EOPNOTSUPP && xd->state_retries-- > 0) {
+ dev_dbg(&xd->dev,
+ "failed to request remote link status, retrying\n");
+ return -EAGAIN;
+ }
+ dev_dbg(&xd->dev, "failed to receive remote link status\n");
+ return ret;
+ }
+
+ dev_dbg(&xd->dev, "remote link supports width %#x speed %#x\n", slw, sls);
+
+ if (slw < LANE_ADP_CS_0_SUPPORTED_WIDTH_DUAL) {
+ dev_dbg(&xd->dev, "remote adapter is single lane only\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int tb_xdomain_link_state_change(struct tb_xdomain *xd,
+ unsigned int width)
+{
+ struct tb_switch *sw = tb_to_switch(xd->dev.parent);
+ struct tb_port *port = tb_port_at(xd->route, sw);
+ struct tb *tb = xd->tb;
+ u8 tlw, tls;
+ u32 val;
+ int ret;
+
+ if (width == 2)
+ tlw = LANE_ADP_CS_1_TARGET_WIDTH_DUAL;
+ else if (width == 1)
+ tlw = LANE_ADP_CS_1_TARGET_WIDTH_SINGLE;
+ else
+ return -EINVAL;
+
+ /* Use the current target speed */
+ ret = tb_port_read(port, &val, TB_CFG_PORT, port->cap_phy + LANE_ADP_CS_1, 1);
+ if (ret)
+ return ret;
+ tls = val & LANE_ADP_CS_1_TARGET_SPEED_MASK;
+
+ dev_dbg(&xd->dev, "sending link state change request with width %#x speed %#x\n",
+ tlw, tls);
+
+ ret = tb_xdp_link_state_change_request(tb->ctl, xd->route,
+ xd->state_retries, tlw, tls);
+ if (ret) {
+ if (ret != -EOPNOTSUPP && xd->state_retries-- > 0) {
+ dev_dbg(&xd->dev,
+ "failed to change remote link state, retrying\n");
+ return -EAGAIN;
+ }
+ dev_err(&xd->dev, "failed request link state change, aborting\n");
+ return ret;
+ }
+
+ dev_dbg(&xd->dev, "received link state change response\n");
+ return 0;
+}
+
+static int tb_xdomain_bond_lanes_uuid_high(struct tb_xdomain *xd)
+{
+ struct tb_port *port;
+ int ret, width;
+
+ if (xd->target_link_width == LANE_ADP_CS_1_TARGET_WIDTH_SINGLE) {
+ width = 1;
+ } else if (xd->target_link_width == LANE_ADP_CS_1_TARGET_WIDTH_DUAL) {
+ width = 2;
+ } else {
+ if (xd->state_retries-- > 0) {
+ dev_dbg(&xd->dev,
+ "link state change request not received yet, retrying\n");
+ return -EAGAIN;
+ }
+ dev_dbg(&xd->dev, "timeout waiting for link change request\n");
+ return -ETIMEDOUT;
+ }
+
+ port = tb_port_at(xd->route, tb_xdomain_parent(xd));
+
+ /*
+ * We can't use tb_xdomain_lane_bonding_enable() here because it
+ * is the other side that initiates lane bonding. So here we
+ * just set the width to both lane adapters and wait for the
+ * link to transition bonded.
+ */
+ ret = tb_port_set_link_width(port->dual_link_port, width);
+ if (ret) {
+ tb_port_warn(port->dual_link_port,
+ "failed to set link width to %d\n", width);
+ return ret;
+ }
+
+ ret = tb_port_set_link_width(port, width);
+ if (ret) {
+ tb_port_warn(port, "failed to set link width to %d\n", width);
+ return ret;
+ }
+
+ ret = tb_port_wait_for_link_width(port, width, XDOMAIN_BONDING_TIMEOUT);
+ if (ret) {
+ dev_warn(&xd->dev, "error waiting for link width to become %d\n",
+ width);
+ return ret;
+ }
+
+ port->bonded = width == 2;
+ port->dual_link_port->bonded = width == 2;
+
+ tb_port_update_credits(port);
+ tb_xdomain_update_link_attributes(xd);
+
+ dev_dbg(&xd->dev, "lane bonding %sabled\n", width == 2 ? "en" : "dis");
+ return 0;
+}
+
+static int tb_xdomain_get_properties(struct tb_xdomain *xd)
{
- struct tb_xdomain *xd = container_of(work, typeof(*xd),
- get_properties_work.work);
struct tb_property_dir *dir;
struct tb *tb = xd->tb;
bool update = false;
dev_dbg(&xd->dev, "requesting remote properties\n");
ret = tb_xdp_properties_request(tb->ctl, xd->route, xd->local_uuid,
- xd->remote_uuid, xd->properties_retries,
+ xd->remote_uuid, xd->state_retries,
&block, &gen);
if (ret < 0) {
- if (xd->properties_retries-- > 0) {
+ if (xd->state_retries-- > 0) {
dev_dbg(&xd->dev,
"failed to request remote properties, retrying\n");
- queue_delayed_work(xd->tb->wq, &xd->get_properties_work,
- msecs_to_jiffies(1000));
+ return -EAGAIN;
} else {
/* Give up now */
dev_err(&xd->dev,
"failed read XDomain properties from %pUb\n",
xd->remote_uuid);
}
- return;
- }
- xd->properties_retries = XDOMAIN_PROPERTIES_RETRIES;
+ return ret;
+ }
mutex_lock(&xd->lock);
/* Only accept newer generation properties */
- if (xd->remote_properties && gen <= xd->remote_property_block_gen)
+ if (xd->remote_properties && gen <= xd->remote_property_block_gen) {
+ ret = 0;
goto err_free_block;
+ }
dir = tb_property_parse_dir(block, ret);
if (!dir) {
dev_err(&xd->dev, "failed to parse XDomain properties\n");
+ ret = -ENOMEM;
goto err_free_block;
}
* registered, we notify the userspace that it has changed.
*/
if (!update) {
+ struct tb_port *port;
+
+ /* Now disable lane 1 if bonding was not enabled */
+ port = tb_port_at(xd->route, tb_xdomain_parent(xd));
+ if (!port->bonded)
+ tb_port_disable(port->dual_link_port);
+
if (device_add(&xd->dev)) {
dev_err(&xd->dev, "failed to add XDomain device\n");
- return;
+ return -ENODEV;
}
dev_info(&xd->dev, "new host found, vendor=%#x device=%#x\n",
xd->vendor, xd->device);
}
enumerate_services(xd);
- return;
+ return 0;
err_free_dir:
tb_property_free_dir(dir);
err_free_block:
kfree(block);
mutex_unlock(&xd->lock);
+
+ return ret;
+}
+
+static void tb_xdomain_queue_uuid(struct tb_xdomain *xd)
+{
+ xd->state = XDOMAIN_STATE_UUID;
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_SHORT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_link_status(struct tb_xdomain *xd)
+{
+ xd->state = XDOMAIN_STATE_LINK_STATUS;
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_link_status2(struct tb_xdomain *xd)
+{
+ xd->state = XDOMAIN_STATE_LINK_STATUS2;
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_bonding(struct tb_xdomain *xd)
+{
+ if (memcmp(xd->local_uuid, xd->remote_uuid, UUID_SIZE) > 0) {
+ dev_dbg(&xd->dev, "we have higher UUID, other side bonds the lanes\n");
+ xd->state = XDOMAIN_STATE_BONDING_UUID_HIGH;
+ } else {
+ dev_dbg(&xd->dev, "we have lower UUID, bonding lanes\n");
+ xd->state = XDOMAIN_STATE_LINK_STATE_CHANGE;
+ }
+
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_bonding_uuid_low(struct tb_xdomain *xd)
+{
+ xd->state = XDOMAIN_STATE_BONDING_UUID_LOW;
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_properties(struct tb_xdomain *xd)
+{
+ xd->state = XDOMAIN_STATE_PROPERTIES;
+ xd->state_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
+}
+
+static void tb_xdomain_queue_properties_changed(struct tb_xdomain *xd)
+{
+ xd->properties_changed_retries = XDOMAIN_RETRIES;
+ queue_delayed_work(xd->tb->wq, &xd->properties_changed_work,
+ msecs_to_jiffies(XDOMAIN_SHORT_TIMEOUT));
+}
+
+static void tb_xdomain_state_work(struct work_struct *work)
+{
+ struct tb_xdomain *xd = container_of(work, typeof(*xd), state_work.work);
+ int ret, state = xd->state;
+
+ if (WARN_ON_ONCE(state < XDOMAIN_STATE_INIT ||
+ state > XDOMAIN_STATE_ERROR))
+ return;
+
+ dev_dbg(&xd->dev, "running state %s\n", state_names[state]);
+
+ switch (state) {
+ case XDOMAIN_STATE_INIT:
+ if (xd->needs_uuid) {
+ tb_xdomain_queue_uuid(xd);
+ } else {
+ tb_xdomain_queue_properties_changed(xd);
+ tb_xdomain_queue_properties(xd);
+ }
+ break;
+
+ case XDOMAIN_STATE_UUID:
+ ret = tb_xdomain_get_uuid(xd);
+ if (ret) {
+ if (ret == -EAGAIN)
+ goto retry_state;
+ xd->state = XDOMAIN_STATE_ERROR;
+ } else {
+ tb_xdomain_queue_properties_changed(xd);
+ if (xd->bonding_possible)
+ tb_xdomain_queue_link_status(xd);
+ else
+ tb_xdomain_queue_properties(xd);
+ }
+ break;
+
+ case XDOMAIN_STATE_LINK_STATUS:
+ ret = tb_xdomain_get_link_status(xd);
+ if (ret) {
+ if (ret == -EAGAIN)
+ goto retry_state;
+
+ /*
+ * If any of the lane bonding states fail we skip
+ * bonding completely and try to continue from
+ * reading properties.
+ */
+ tb_xdomain_queue_properties(xd);
+ } else {
+ tb_xdomain_queue_bonding(xd);
+ }
+ break;
+
+ case XDOMAIN_STATE_LINK_STATE_CHANGE:
+ ret = tb_xdomain_link_state_change(xd, 2);
+ if (ret) {
+ if (ret == -EAGAIN)
+ goto retry_state;
+ tb_xdomain_queue_properties(xd);
+ } else {
+ tb_xdomain_queue_link_status2(xd);
+ }
+ break;
+
+ case XDOMAIN_STATE_LINK_STATUS2:
+ ret = tb_xdomain_get_link_status(xd);
+ if (ret) {
+ if (ret == -EAGAIN)
+ goto retry_state;
+ tb_xdomain_queue_properties(xd);
+ } else {
+ tb_xdomain_queue_bonding_uuid_low(xd);
+ }
+ break;
+
+ case XDOMAIN_STATE_BONDING_UUID_LOW:
+ tb_xdomain_lane_bonding_enable(xd);
+ tb_xdomain_queue_properties(xd);
+ break;
+
+ case XDOMAIN_STATE_BONDING_UUID_HIGH:
+ if (tb_xdomain_bond_lanes_uuid_high(xd) == -EAGAIN)
+ goto retry_state;
+ tb_xdomain_queue_properties(xd);
+ break;
+
+ case XDOMAIN_STATE_PROPERTIES:
+ ret = tb_xdomain_get_properties(xd);
+ if (ret) {
+ if (ret == -EAGAIN)
+ goto retry_state;
+ xd->state = XDOMAIN_STATE_ERROR;
+ } else {
+ xd->state = XDOMAIN_STATE_ENUMERATED;
+ }
+ break;
+
+ case XDOMAIN_STATE_ENUMERATED:
+ tb_xdomain_queue_properties(xd);
+ break;
+
+ case XDOMAIN_STATE_ERROR:
+ break;
+
+ default:
+ dev_warn(&xd->dev, "unexpected state %d\n", state);
+ break;
+ }
+
+ return;
+
+retry_state:
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
}
static void tb_xdomain_properties_changed(struct work_struct *work)
"failed to send properties changed notification, retrying\n");
queue_delayed_work(xd->tb->wq,
&xd->properties_changed_work,
- msecs_to_jiffies(1000));
+ msecs_to_jiffies(XDOMAIN_DEFAULT_TIMEOUT));
}
dev_err(&xd->dev, "failed to send properties changed notification\n");
return;
}
- xd->properties_changed_retries = XDOMAIN_PROPERTIES_CHANGED_RETRIES;
+ xd->properties_changed_retries = XDOMAIN_RETRIES;
}
static ssize_t device_show(struct device *dev, struct device_attribute *attr,
static void start_handshake(struct tb_xdomain *xd)
{
- xd->uuid_retries = XDOMAIN_UUID_RETRIES;
- xd->properties_retries = XDOMAIN_PROPERTIES_RETRIES;
- xd->properties_changed_retries = XDOMAIN_PROPERTIES_CHANGED_RETRIES;
-
- if (xd->needs_uuid) {
- queue_delayed_work(xd->tb->wq, &xd->get_uuid_work,
- msecs_to_jiffies(100));
- } else {
- /* Start exchanging properties with the other host */
- queue_delayed_work(xd->tb->wq, &xd->properties_changed_work,
- msecs_to_jiffies(100));
- queue_delayed_work(xd->tb->wq, &xd->get_properties_work,
- msecs_to_jiffies(1000));
- }
+ xd->state = XDOMAIN_STATE_INIT;
+ queue_delayed_work(xd->tb->wq, &xd->state_work,
+ msecs_to_jiffies(XDOMAIN_SHORT_TIMEOUT));
}
static void stop_handshake(struct tb_xdomain *xd)
{
- xd->uuid_retries = 0;
- xd->properties_retries = 0;
- xd->properties_changed_retries = 0;
-
- cancel_delayed_work_sync(&xd->get_uuid_work);
- cancel_delayed_work_sync(&xd->get_properties_work);
cancel_delayed_work_sync(&xd->properties_changed_work);
+ cancel_delayed_work_sync(&xd->state_work);
+ xd->properties_changed_retries = 0;
+ xd->state_retries = 0;
}
static int __maybe_unused tb_xdomain_suspend(struct device *dev)
ida_init(&xd->in_hopids);
ida_init(&xd->out_hopids);
mutex_init(&xd->lock);
- INIT_DELAYED_WORK(&xd->get_uuid_work, tb_xdomain_get_uuid);
- INIT_DELAYED_WORK(&xd->get_properties_work, tb_xdomain_get_properties);
+ INIT_DELAYED_WORK(&xd->state_work, tb_xdomain_state_work);
INIT_DELAYED_WORK(&xd->properties_changed_work,
tb_xdomain_properties_changed);
goto err_free_local_uuid;
} else {
xd->needs_uuid = true;
+ xd->bonding_possible = !!down->dual_link_port;
}
device_initialize(&xd->dev);
return ret;
}
- ret = tb_port_wait_for_link_width(port, 2, 100);
+ ret = tb_port_wait_for_link_width(port, 2, XDOMAIN_BONDING_TIMEOUT);
if (ret) {
- tb_port_warn(port, "timeout enabling lane bonding\n");
+ tb_port_warn(port, "failed to enable lane bonding\n");
return ret;
}
snd_buf_bytes - (snd_buf_bytes % instance->tx_channel.stride));
/* rx buffer size must be a positive multiple of the endpoint maxpacket */
- maxpacket = usb_maxpacket(usb_dev, instance->rx_channel.endpoint, 0);
+ maxpacket = usb_maxpacket(usb_dev, instance->rx_channel.endpoint);
if ((maxpacket < 1) || (maxpacket > UDSL_MAX_BUF_SIZE)) {
dev_err(dev, "%s: invalid endpoint %02x!\n", __func__,
c67x00_ll_release(c67x00);
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (res)
- free_irq(res->start, c67x00);
+ free_irq(res->start, c67x00);
iounmap(c67x00->hpi.base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
- release_mem_region(res->start, resource_size(res));
+ release_mem_region(res->start, resource_size(res));
kfree(c67x00);
usb_pipeout(urb->pipe));
remaining = urb->transfer_buffer_length - urb->actual_length;
- maxps = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
+ maxps = usb_maxpacket(urb->dev, urb->pipe);
need_empty = (urb->transfer_flags & URB_ZERO_PACKET) &&
usb_pipeout(urb->pipe) && !(remaining % maxps);
if (unlikely(!act_bytes))
return 1; /* This was an empty packet */
- maxps = usb_maxpacket(td_udev(td), td->pipe, usb_pipeout(td->pipe));
+ maxps = usb_maxpacket(td_udev(td), td->pipe);
if (unlikely(act_bytes < maxps))
return 1; /* Smaller then full packet */
u8 mult = 0;
int ret;
- buffering = CDNS3_EP_BUF_SIZE - 1;
+ buffering = priv_dev->ep_buf_size - 1;
cdns3_configure_dmult(priv_dev, priv_ep);
break;
default:
ep_cfg = EP_CFG_EPTYPE(USB_ENDPOINT_XFER_ISOC);
- mult = CDNS3_EP_ISO_HS_MULT - 1;
+ mult = priv_dev->ep_iso_burst - 1;
buffering = mult + 1;
}
mult = 0;
max_packet_size = 1024;
if (priv_ep->type == USB_ENDPOINT_XFER_ISOC) {
- maxburst = CDNS3_EP_ISO_SS_BURST - 1;
+ maxburst = priv_dev->ep_iso_burst - 1;
buffering = (mult + 1) *
(maxburst + 1);
if (priv_ep->interval > 1)
buffering++;
} else {
- maxburst = CDNS3_EP_BUF_SIZE - 1;
+ maxburst = priv_dev->ep_buf_size - 1;
}
break;
default:
else
priv_ep->trb_burst_size = 16;
+ mult = min_t(u8, mult, EP_CFG_MULT_MAX);
+ buffering = min_t(u8, buffering, EP_CFG_BUFFERING_MAX);
+ maxburst = min_t(u8, maxburst, EP_CFG_MAXBURST_MAX);
+
/* onchip buffer is only allocated before configuration */
if (!priv_dev->hw_configured_flag) {
ret = cdns3_ep_onchip_buffer_reserve(priv_dev, buffering + 1,
return 0;
}
+/**
+ * cdns3_gadget_check_config - ensure cdns3 can support the USB configuration
+ * @gadget: 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 cdns3_gadget_check_config(struct usb_gadget *gadget)
+{
+ struct cdns3_device *priv_dev = gadget_to_cdns3_device(gadget);
+ struct usb_ep *ep;
+ int n_in = 0;
+ int total;
+
+ list_for_each_entry(ep, &gadget->ep_list, ep_list) {
+ if (ep->claimed && (ep->address & USB_DIR_IN))
+ n_in++;
+ }
+
+ /* 2KB are reserved for EP0, 1KB for out*/
+ total = 2 + n_in + 1;
+
+ if (total > priv_dev->onchip_buffers)
+ return -ENOMEM;
+
+ priv_dev->ep_buf_size = priv_dev->ep_iso_burst =
+ (priv_dev->onchip_buffers - 2) / (n_in + 1);
+
+ return 0;
+}
+
static const struct usb_gadget_ops cdns3_gadget_ops = {
.get_frame = cdns3_gadget_get_frame,
.wakeup = cdns3_gadget_wakeup,
.udc_start = cdns3_gadget_udc_start,
.udc_stop = cdns3_gadget_udc_stop,
.match_ep = cdns3_gadget_match_ep,
+ .check_config = cdns3_gadget_check_config,
};
static void cdns3_free_all_eps(struct cdns3_device *priv_dev)
/* Max burst size (used only in SS mode). */
#define EP_CFG_MAXBURST_MASK GENMASK(11, 8)
#define EP_CFG_MAXBURST(p) (((p) << 8) & EP_CFG_MAXBURST_MASK)
+#define EP_CFG_MAXBURST_MAX 15
/* ISO max burst. */
#define EP_CFG_MULT_MASK GENMASK(15, 14)
#define EP_CFG_MULT(p) (((p) << 14) & EP_CFG_MULT_MASK)
+#define EP_CFG_MULT_MAX 2
/* ISO max burst. */
#define EP_CFG_MAXPKTSIZE_MASK GENMASK(26, 16)
#define EP_CFG_MAXPKTSIZE(p) (((p) << 16) & EP_CFG_MAXPKTSIZE_MASK)
/* Max number of buffered packets. */
#define EP_CFG_BUFFERING_MASK GENMASK(31, 27)
#define EP_CFG_BUFFERING(p) (((p) << 27) & EP_CFG_BUFFERING_MASK)
+#define EP_CFG_BUFFERING_MAX 15
/* EP_CMD - bitmasks */
/* Endpoint reset. */
#define CDNS3_ENDPOINTS_MAX_COUNT 32
#define CDNS3_EP_ZLP_BUF_SIZE 1024
-#define CDNS3_EP_BUF_SIZE 4 /* KB */
-#define CDNS3_EP_ISO_HS_MULT 3
-#define CDNS3_EP_ISO_SS_BURST 3
#define CDNS3_MAX_NUM_DESCMISS_BUF 32
#define CDNS3_DESCMIS_BUF_SIZE 2048 /* Bytes */
#define CDNS3_WA2_NUM_BUFFERS 128
/*in KB */
u16 onchip_buffers;
u16 onchip_used_size;
+
+ u16 ep_buf_size;
+ u16 ep_iso_burst;
};
void cdns3_set_register_bit(void __iomem *ptr, u32 mask);
start = usb_dump_interface_descriptor(start, end, intfc, iface, setno);
for (i = 0; i < desc->desc.bNumEndpoints; i++) {
- if (start > end)
- return start;
start = usb_dump_endpoint_descriptor(speed,
start, end, &desc->endpoint[i].desc);
}
intfc = config->intf_cache[i];
interface = config->interface[i];
for (j = 0; j < intfc->num_altsetting; j++) {
- if (start > end)
- return start;
start = usb_dump_interface(speed,
start, end, intfc, interface, j);
}
{
int i;
- if (start > end)
- return start;
-
start = usb_dump_device_descriptor(start, end, &dev->descriptor);
- if (start > end)
- return start;
-
start = usb_dump_device_strings(start, end, dev);
for (i = 0; i < dev->descriptor.bNumConfigurations; i++) {
- if (start > end)
- return start;
start = usb_dump_config(dev->speed,
start, end, dev->config + i,
/* active ? */
return start;
}
-
-#ifdef PROC_EXTRA /* TBD: may want to add this code later */
-
-static char *usb_dump_hub_descriptor(char *start, char *end,
- const struct usb_hub_descriptor *desc)
-{
- int leng = USB_DT_HUB_NONVAR_SIZE;
- unsigned char *ptr = (unsigned char *)desc;
-
- if (start > end)
- return start;
- start += sprintf(start, "Interface:");
- while (leng && start <= end) {
- start += sprintf(start, " %02x", *ptr);
- ptr++; leng--;
- }
- *start++ = '\n';
- return start;
-}
-
-static char *usb_dump_string(char *start, char *end,
- const struct usb_device *dev, char *id, int index)
-{
- if (start > end)
- return start;
- start += sprintf(start, "Interface:");
- if (index <= dev->maxstring && dev->stringindex &&
- dev->stringindex[index])
- start += sprintf(start, "%s: %.100s ", id,
- dev->stringindex[index]);
- return start;
-}
-
-#endif /* PROC_EXTRA */
-
/*****************************************************************/
/* This is a recursive function. Parameters:
{
int w;
- /* Remote wakeup is needed only when we actually go to sleep.
- * For things like FREEZE and QUIESCE, if the device is already
- * autosuspended then its current wakeup setting is okay.
+ /*
+ * For FREEZE/QUIESCE, disable remote wakeups so no interrupts get
+ * generated.
*/
if (msg.event == PM_EVENT_FREEZE || msg.event == PM_EVENT_QUIESCE) {
- if (udev->state != USB_STATE_SUSPENDED)
- udev->do_remote_wakeup = 0;
- return;
- }
+ w = 0;
- /* Enable remote wakeup if it is allowed, even if no interface drivers
- * actually want it.
- */
- w = device_may_wakeup(&udev->dev);
+ } else {
+ /*
+ * Enable remote wakeup if it is allowed, even if no interface
+ * drivers actually want it.
+ */
+ w = device_may_wakeup(&udev->dev);
+ }
- /* If the device is autosuspended with the wrong wakeup setting,
+ /*
+ * If the device is autosuspended with the wrong wakeup setting,
* autoresume now so the setting can be changed.
*/
if (udev->state == USB_STATE_SUSPENDED && w != udev->do_remote_wakeup)
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
-#include <asm/prom.h>
#endif
#include "usb.h"
.suspend_noirq = hcd_pci_suspend_noirq,
.resume_noirq = hcd_pci_resume_noirq,
.resume = hcd_pci_resume,
- .freeze = check_root_hub_suspended,
+ .freeze = hcd_pci_suspend,
.freeze_noirq = check_root_hub_suspended,
.thaw_noirq = NULL,
- .thaw = NULL,
+ .thaw = hcd_pci_resume,
.poweroff = hcd_pci_suspend,
.poweroff_noirq = hcd_pci_suspend_noirq,
.restore_noirq = hcd_pci_resume_noirq,
{
int retval;
struct usb_device *rhdev;
+ struct usb_hcd *shared_hcd;
if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) {
hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev);
goto err_hcd_driver_start;
}
+ /* starting here, usbcore will pay attention to the shared HCD roothub */
+ shared_hcd = hcd->shared_hcd;
+ if (!usb_hcd_is_primary_hcd(hcd) && shared_hcd && HCD_DEFER_RH_REGISTER(shared_hcd)) {
+ retval = register_root_hub(shared_hcd);
+ if (retval != 0)
+ goto err_register_root_hub;
+
+ if (shared_hcd->uses_new_polling && HCD_POLL_RH(shared_hcd))
+ usb_hcd_poll_rh_status(shared_hcd);
+ }
+
/* starting here, usbcore will pay attention to this root hub */
- retval = register_root_hub(hcd);
- if (retval != 0)
- goto err_register_root_hub;
+ if (!HCD_DEFER_RH_REGISTER(hcd)) {
+ retval = register_root_hub(hcd);
+ if (retval != 0)
+ goto err_register_root_hub;
- if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
- usb_hcd_poll_rh_status(hcd);
+ if (hcd->uses_new_polling && HCD_POLL_RH(hcd))
+ usb_hcd_poll_rh_status(hcd);
+ }
return retval;
void usb_remove_hcd(struct usb_hcd *hcd)
{
struct usb_device *rhdev = hcd->self.root_hub;
+ bool rh_registered;
dev_info(hcd->self.controller, "remove, state %x\n", hcd->state);
dev_dbg(hcd->self.controller, "roothub graceful disconnect\n");
spin_lock_irq (&hcd_root_hub_lock);
+ rh_registered = hcd->rh_registered;
hcd->rh_registered = 0;
spin_unlock_irq (&hcd_root_hub_lock);
cancel_work_sync(&hcd->died_work);
mutex_lock(&usb_bus_idr_lock);
- usb_disconnect(&rhdev); /* Sets rhdev to NULL */
+ if (rh_registered)
+ usb_disconnect(&rhdev); /* Sets rhdev to NULL */
mutex_unlock(&usb_bus_idr_lock);
/*
* maxpktsize is defined in hcd.c's fake endpoint descriptors
* to be big enough for at least USB_MAXCHILDREN ports. */
pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(hdev, pipe);
if (maxp > sizeof(*hub->buffer))
maxp = sizeof(*hub->buffer);
/* Handle notifying userspace about hub over-current events */
static void port_over_current_notify(struct usb_port *port_dev)
{
- char *envp[3];
+ char *envp[3] = { NULL, NULL, NULL };
struct device *hub_dev;
char *port_dev_path;
envp[0] = kasprintf(GFP_KERNEL, "OVER_CURRENT_PORT=%s", port_dev_path);
if (!envp[0])
- goto exit_path;
+ goto exit;
envp[1] = kasprintf(GFP_KERNEL, "OVER_CURRENT_COUNT=%u",
port_dev->over_current_count);
if (!envp[1])
goto exit;
- envp[2] = NULL;
kobject_uevent_env(&hub_dev->kobj, KOBJ_CHANGE, envp);
- kfree(envp[1]);
exit:
+ kfree(envp[1]);
kfree(envp[0]);
-exit_path:
kfree(port_dev_path);
}
struct usb_hub *hub;
if (!udev->parent) {
- /* root hub is only child (_ADR=0) under its parent, the HC */
- adev = ACPI_COMPANION(udev->dev.parent);
+ /*
+ * root hub is only child (_ADR=0) under its parent, the HC.
+ * sysdev pointer is the HC as seen from firmware.
+ */
+ adev = ACPI_COMPANION(udev->bus->sysdev);
return acpi_find_child_device(adev, 0, false);
}
int dwc2_phy_init(struct dwc2_hsotg *hsotg, bool select_phy)
{
u32 usbcfg;
+ u32 otgctl;
int retval = 0;
if ((hsotg->params.speed == DWC2_SPEED_PARAM_FULL ||
dwc2_writel(hsotg, usbcfg, GUSBCFG);
}
+ if (!hsotg->params.activate_ingenic_overcurrent_detection) {
+ if (dwc2_is_host_mode(hsotg)) {
+ otgctl = readl(hsotg->regs + GOTGCTL);
+ otgctl |= GOTGCTL_VBVALOEN | GOTGCTL_VBVALOVAL;
+ writel(otgctl, hsotg->regs + GOTGCTL);
+ }
+ }
+
return retval;
}
* detection using GGPIO register.
* 0 - Deactivate the external level detection (default)
* 1 - Activate the external level detection
+ * @activate_ingenic_overcurrent_detection: Activate Ingenic overcurrent
+ * detection.
+ * 0 - Deactivate the overcurrent detection
+ * 1 - Activate the overcurrent detection (default)
* @g_dma: Enables gadget dma usage (default: autodetect).
* @g_dma_desc: Enables gadget descriptor DMA (default: autodetect).
* @g_rx_fifo_size: The periodic rx fifo size for the device, in
u8 hird_threshold;
bool activate_stm_fs_transceiver;
bool activate_stm_id_vb_detection;
+ bool activate_ingenic_overcurrent_detection;
bool ipg_isoc_en;
u16 max_packet_count;
u32 max_transfer_size;
WARN_ON(hsotg->driver);
- driver->driver.bus = NULL;
hsotg->driver = driver;
hsotg->gadget.dev.of_node = hsotg->dev->of_node;
hsotg->gadget.speed = USB_SPEED_UNKNOWN;
p->power_down = DWC2_POWER_DOWN_PARAM_NONE;
}
+static void dwc2_set_jz4775_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->otg_caps.hnp_support = false;
+ p->speed = DWC2_SPEED_PARAM_HIGH;
+ p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+ p->phy_utmi_width = 16;
+ p->activate_ingenic_overcurrent_detection =
+ !device_property_read_bool(hsotg->dev, "disable-over-current");
+}
+
+static void dwc2_set_x1600_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->otg_caps.hnp_support = false;
+ p->speed = DWC2_SPEED_PARAM_HIGH;
+ p->host_channels = 16;
+ p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+ p->phy_utmi_width = 16;
+ p->activate_ingenic_overcurrent_detection =
+ !device_property_read_bool(hsotg->dev, "disable-over-current");
+}
+
+static void dwc2_set_x2000_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->otg_caps.hnp_support = false;
+ p->speed = DWC2_SPEED_PARAM_HIGH;
+ p->host_rx_fifo_size = 1024;
+ p->host_nperio_tx_fifo_size = 1024;
+ p->host_perio_tx_fifo_size = 1024;
+ p->host_channels = 16;
+ p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+ p->phy_utmi_width = 16;
+ p->activate_ingenic_overcurrent_detection =
+ !device_property_read_bool(hsotg->dev, "disable-over-current");
+}
+
static void dwc2_set_s3c6400_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
const struct of_device_id dwc2_of_match_table[] = {
{ .compatible = "brcm,bcm2835-usb", .data = dwc2_set_bcm_params },
- { .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params },
+ { .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params },
+ { .compatible = "ingenic,jz4775-otg", .data = dwc2_set_jz4775_params },
+ { .compatible = "ingenic,jz4780-otg", .data = dwc2_set_jz4775_params },
+ { .compatible = "ingenic,x1000-otg", .data = dwc2_set_jz4775_params },
+ { .compatible = "ingenic,x1600-otg", .data = dwc2_set_x1600_params },
+ { .compatible = "ingenic,x1700-otg", .data = dwc2_set_x1600_params },
+ { .compatible = "ingenic,x1830-otg", .data = dwc2_set_x1600_params },
+ { .compatible = "ingenic,x2000-otg", .data = dwc2_set_x2000_params },
{ .compatible = "rockchip,rk3066-usb", .data = dwc2_set_rk_params },
{ .compatible = "lantiq,arx100-usb", .data = dwc2_set_ltq_params },
{ .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params },
This driver handles both ZynqMP and Versal SoC operations.
Say 'Y' or 'M' if you have one such device.
+config USB_DWC3_AM62
+ tristate "Texas Instruments AM62 Platforms"
+ depends on ARCH_K3 || COMPILE_TEST
+ default USB_DWC3
+ help
+ Support TI's AM62 platforms with DesignWare Core USB3 IP.
+ The Designware Core USB3 IP is progammed to operate in
+ in USB 2.0 mode only.
+ Say 'Y' or 'M' here if you have one such device
endif
# and allyesconfig builds.
##
+obj-$(CONFIG_USB_DWC3_AM62) += dwc3-am62.o
obj-$(CONFIG_USB_DWC3_OMAP) += dwc3-omap.o
obj-$(CONFIG_USB_DWC3_EXYNOS) += dwc3-exynos.o
obj-$(CONFIG_USB_DWC3_PCI) += dwc3-pci.o
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/of.h>
+#include <linux/of_graph.h>
#include <linux/acpi.h>
#include <linux/pinctrl/consumer.h>
#include <linux/reset.h>
* mode. If the controller supports DRD but the dr_mode is not
* specified or set to OTG, then set the mode to peripheral.
*/
- if (mode == USB_DR_MODE_OTG &&
+ if (mode == USB_DR_MODE_OTG && !dwc->edev &&
(!IS_ENABLED(CONFIG_USB_ROLE_SWITCH) ||
!device_property_read_bool(dwc->dev, "usb-role-switch")) &&
!DWC3_VER_IS_PRIOR(DWC3, 330A))
udelay(1);
} while (--retries);
+ dev_warn(dwc->dev, "DWC3 controller soft reset failed.\n");
return -ETIMEDOUT;
done:
* from the default, this will set clock period in DWC3_GUCTL
* register.
* @dwc: Pointer to our controller context structure
- * @ref_clk_per: reference clock period in ns
*/
static void dwc3_ref_clk_period(struct dwc3 *dwc)
{
return;
vals = kcalloc(ntype, sizeof(u32), GFP_KERNEL);
- if (!vals) {
- dev_err(dev, "Error to get memory\n");
+ if (!vals)
return;
- }
/* Get INCR burst type, and parse it */
ret = device_property_read_u32_array(dev,
if (IS_ERR(dwc->usb2_phy)) {
ret = PTR_ERR(dwc->usb2_phy);
- if (ret == -ENXIO || ret == -ENODEV) {
+ if (ret == -ENXIO || ret == -ENODEV)
dwc->usb2_phy = NULL;
- } else {
+ else
return dev_err_probe(dev, ret, "no usb2 phy configured\n");
- }
}
if (IS_ERR(dwc->usb3_phy)) {
ret = PTR_ERR(dwc->usb3_phy);
- if (ret == -ENXIO || ret == -ENODEV) {
+ if (ret == -ENXIO || ret == -ENODEV)
dwc->usb3_phy = NULL;
- } else {
+ else
return dev_err_probe(dev, ret, "no usb3 phy configured\n");
- }
}
dwc->usb2_generic_phy = devm_phy_get(dev, "usb2-phy");
if (IS_ERR(dwc->usb2_generic_phy)) {
ret = PTR_ERR(dwc->usb2_generic_phy);
- if (ret == -ENOSYS || ret == -ENODEV) {
+ if (ret == -ENOSYS || ret == -ENODEV)
dwc->usb2_generic_phy = NULL;
- } else {
+ else
return dev_err_probe(dev, ret, "no usb2 phy configured\n");
- }
}
dwc->usb3_generic_phy = devm_phy_get(dev, "usb3-phy");
if (IS_ERR(dwc->usb3_generic_phy)) {
ret = PTR_ERR(dwc->usb3_generic_phy);
- if (ret == -ENOSYS || ret == -ENODEV) {
+ if (ret == -ENOSYS || ret == -ENODEV)
dwc->usb3_generic_phy = NULL;
- } else {
+ else
return dev_err_probe(dev, ret, "no usb3 phy configured\n");
- }
}
return 0;
}
}
+static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
+{
+ struct device *dev = dwc->dev;
+ struct device_node *np_phy;
+ struct extcon_dev *edev = NULL;
+ const char *name;
+
+ if (device_property_read_bool(dev, "extcon"))
+ return extcon_get_edev_by_phandle(dev, 0);
+
+ /*
+ * Device tree platforms should get extcon via phandle.
+ * On ACPI platforms, we get the name from a device property.
+ * This device property is for kernel internal use only and
+ * is expected to be set by the glue code.
+ */
+ if (device_property_read_string(dev, "linux,extcon-name", &name) == 0) {
+ edev = extcon_get_extcon_dev(name);
+ if (!edev)
+ return ERR_PTR(-EPROBE_DEFER);
+
+ return edev;
+ }
+
+ /*
+ * Try to get an extcon device from the USB PHY controller's "port"
+ * node. Check if it has the "port" node first, to avoid printing the
+ * error message from underlying code, as it's a valid case: extcon
+ * device (and "port" node) may be missing in case of "usb-role-switch"
+ * or OTG mode.
+ */
+ np_phy = of_parse_phandle(dev->of_node, "phys", 0);
+ if (of_graph_is_present(np_phy)) {
+ struct device_node *np_conn;
+
+ np_conn = of_graph_get_remote_node(np_phy, -1, -1);
+ if (np_conn)
+ edev = extcon_find_edev_by_node(np_conn);
+ of_node_put(np_conn);
+ }
+ of_node_put(np_phy);
+
+ return edev;
+}
+
static int dwc3_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
goto err2;
}
+ dwc->edev = dwc3_get_extcon(dwc);
+ if (IS_ERR(dwc->edev)) {
+ ret = PTR_ERR(dwc->edev);
+ dev_err_probe(dwc->dev, ret, "failed to get extcon\n");
+ goto err3;
+ }
+
ret = dwc3_get_dr_mode(dwc);
if (ret)
goto err3;
* @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
+ * @clear_stall_protocol: endpoint number that requires a delayed status phase
* @hsphy_interface: "utmi" or "ulpi"
* @connected: true when we're connected to a host, false otherwise
* @softconnect: true when gadget connect is called, false when disconnect runs
u8 tx_thr_num_pkt_prd;
u8 tx_max_burst_prd;
u8 tx_fifo_resize_max_num;
+ u8 clear_stall_protocol;
const char *hsphy_interface;
*/
#include <linux/extcon.h>
-#include <linux/of_graph.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/property.h>
return NOTIFY_DONE;
}
-static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
-{
- struct device *dev = dwc->dev;
- struct device_node *np_phy;
- struct extcon_dev *edev = NULL;
- const char *name;
-
- if (device_property_read_bool(dev, "extcon"))
- return extcon_get_edev_by_phandle(dev, 0);
-
- /*
- * Device tree platforms should get extcon via phandle.
- * On ACPI platforms, we get the name from a device property.
- * This device property is for kernel internal use only and
- * is expected to be set by the glue code.
- */
- if (device_property_read_string(dev, "linux,extcon-name", &name) == 0) {
- edev = extcon_get_extcon_dev(name);
- if (!edev)
- return ERR_PTR(-EPROBE_DEFER);
-
- return edev;
- }
-
- /*
- * Try to get an extcon device from the USB PHY controller's "port"
- * node. Check if it has the "port" node first, to avoid printing the
- * error message from underlying code, as it's a valid case: extcon
- * device (and "port" node) may be missing in case of "usb-role-switch"
- * or OTG mode.
- */
- np_phy = of_parse_phandle(dev->of_node, "phys", 0);
- if (of_graph_is_present(np_phy)) {
- struct device_node *np_conn;
-
- np_conn = of_graph_get_remote_node(np_phy, -1, -1);
- if (np_conn)
- edev = extcon_find_edev_by_node(np_conn);
- of_node_put(np_conn);
- }
- of_node_put(np_phy);
-
- return edev;
-}
-
#if IS_ENABLED(CONFIG_USB_ROLE_SWITCH)
#define ROLE_SWITCH 1
static int dwc3_usb_role_switch_set(struct usb_role_switch *sw,
device_property_read_bool(dwc->dev, "usb-role-switch"))
return dwc3_setup_role_switch(dwc);
- dwc->edev = dwc3_get_extcon(dwc);
- if (IS_ERR(dwc->edev))
- return PTR_ERR(dwc->edev);
-
if (dwc->edev) {
dwc->edev_nb.notifier_call = dwc3_drd_notifier;
ret = extcon_register_notifier(dwc->edev, EXTCON_USB_HOST,
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dwc3-am62.c - TI specific Glue layer for AM62 DWC3 USB Controller
+ *
+ * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/clk.h>
+#include <linux/regmap.h>
+#include <linux/pinctrl/consumer.h>
+
+/* USB WRAPPER register offsets */
+#define USBSS_PID 0x0
+#define USBSS_OVERCURRENT_CTRL 0x4
+#define USBSS_PHY_CONFIG 0x8
+#define USBSS_PHY_TEST 0xc
+#define USBSS_CORE_STAT 0x14
+#define USBSS_HOST_VBUS_CTRL 0x18
+#define USBSS_MODE_CONTROL 0x1c
+#define USBSS_WAKEUP_CONFIG 0x30
+#define USBSS_WAKEUP_STAT 0x34
+#define USBSS_OVERRIDE_CONFIG 0x38
+#define USBSS_IRQ_MISC_STATUS_RAW 0x430
+#define USBSS_IRQ_MISC_STATUS 0x434
+#define USBSS_IRQ_MISC_ENABLE_SET 0x438
+#define USBSS_IRQ_MISC_ENABLE_CLR 0x43c
+#define USBSS_IRQ_MISC_EOI 0x440
+#define USBSS_INTR_TEST 0x490
+#define USBSS_VBUS_FILTER 0x614
+#define USBSS_VBUS_STAT 0x618
+#define USBSS_DEBUG_CFG 0x708
+#define USBSS_DEBUG_DATA 0x70c
+#define USBSS_HOST_HUB_CTRL 0x714
+
+/* PHY CONFIG register bits */
+#define USBSS_PHY_VBUS_SEL_MASK GENMASK(2, 1)
+#define USBSS_PHY_VBUS_SEL_SHIFT 1
+#define USBSS_PHY_LANE_REVERSE BIT(0)
+
+/* MODE CONTROL register bits */
+#define USBSS_MODE_VALID BIT(0)
+
+/* WAKEUP CONFIG register bits */
+#define USBSS_WAKEUP_CFG_OVERCURRENT_EN BIT(3)
+#define USBSS_WAKEUP_CFG_LINESTATE_EN BIT(2)
+#define USBSS_WAKEUP_CFG_SESSVALID_EN BIT(1)
+#define USBSS_WAKEUP_CFG_VBUSVALID_EN BIT(0)
+
+/* WAKEUP STAT register bits */
+#define USBSS_WAKEUP_STAT_OVERCURRENT BIT(4)
+#define USBSS_WAKEUP_STAT_LINESTATE BIT(3)
+#define USBSS_WAKEUP_STAT_SESSVALID BIT(2)
+#define USBSS_WAKEUP_STAT_VBUSVALID BIT(1)
+#define USBSS_WAKEUP_STAT_CLR BIT(0)
+
+/* IRQ_MISC_STATUS_RAW register bits */
+#define USBSS_IRQ_MISC_RAW_VBUSVALID BIT(22)
+#define USBSS_IRQ_MISC_RAW_SESSVALID BIT(20)
+
+/* IRQ_MISC_STATUS register bits */
+#define USBSS_IRQ_MISC_VBUSVALID BIT(22)
+#define USBSS_IRQ_MISC_SESSVALID BIT(20)
+
+/* IRQ_MISC_ENABLE_SET register bits */
+#define USBSS_IRQ_MISC_ENABLE_SET_VBUSVALID BIT(22)
+#define USBSS_IRQ_MISC_ENABLE_SET_SESSVALID BIT(20)
+
+/* IRQ_MISC_ENABLE_CLR register bits */
+#define USBSS_IRQ_MISC_ENABLE_CLR_VBUSVALID BIT(22)
+#define USBSS_IRQ_MISC_ENABLE_CLR_SESSVALID BIT(20)
+
+/* IRQ_MISC_EOI register bits */
+#define USBSS_IRQ_MISC_EOI_VECTOR BIT(0)
+
+/* VBUS_STAT register bits */
+#define USBSS_VBUS_STAT_SESSVALID BIT(2)
+#define USBSS_VBUS_STAT_VBUSVALID BIT(0)
+
+/* Mask for PHY PLL REFCLK */
+#define PHY_PLL_REFCLK_MASK GENMASK(3, 0)
+
+#define DWC3_AM62_AUTOSUSPEND_DELAY 100
+
+struct dwc3_data {
+ struct device *dev;
+ void __iomem *usbss;
+ struct clk *usb2_refclk;
+ int rate_code;
+ struct regmap *syscon;
+ unsigned int offset;
+ unsigned int vbus_divider;
+};
+
+static const int dwc3_ti_rate_table[] = { /* in KHZ */
+ 9600,
+ 10000,
+ 12000,
+ 19200,
+ 20000,
+ 24000,
+ 25000,
+ 26000,
+ 38400,
+ 40000,
+ 58000,
+ 50000,
+ 52000,
+};
+
+static inline u32 dwc3_ti_readl(struct dwc3_data *data, u32 offset)
+{
+ return readl((data->usbss) + offset);
+}
+
+static inline void dwc3_ti_writel(struct dwc3_data *data, u32 offset, u32 value)
+{
+ writel(value, (data->usbss) + offset);
+}
+
+static int phy_syscon_pll_refclk(struct dwc3_data *data)
+{
+ struct device *dev = data->dev;
+ struct device_node *node = dev->of_node;
+ struct of_phandle_args args;
+ struct regmap *syscon;
+ int ret;
+
+ syscon = syscon_regmap_lookup_by_phandle(node, "ti,syscon-phy-pll-refclk");
+ if (IS_ERR(syscon)) {
+ dev_err(dev, "unable to get ti,syscon-phy-pll-refclk regmap\n");
+ return PTR_ERR(syscon);
+ }
+
+ data->syscon = syscon;
+
+ ret = of_parse_phandle_with_fixed_args(node, "ti,syscon-phy-pll-refclk", 1,
+ 0, &args);
+ if (ret)
+ return ret;
+
+ data->offset = args.args[0];
+
+ ret = regmap_update_bits(data->syscon, data->offset, PHY_PLL_REFCLK_MASK, data->rate_code);
+ if (ret) {
+ dev_err(dev, "failed to set phy pll reference clock rate\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dwc3_ti_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *node = pdev->dev.of_node;
+ struct dwc3_data *data;
+ int i, ret;
+ unsigned long rate;
+ u32 reg;
+
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->dev = dev;
+ platform_set_drvdata(pdev, data);
+
+ data->usbss = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(data->usbss)) {
+ dev_err(dev, "can't map IOMEM resource\n");
+ return PTR_ERR(data->usbss);
+ }
+
+ data->usb2_refclk = devm_clk_get(dev, "ref");
+ if (IS_ERR(data->usb2_refclk)) {
+ dev_err(dev, "can't get usb2_refclk\n");
+ return PTR_ERR(data->usb2_refclk);
+ }
+
+ /* Calculate the rate code */
+ rate = clk_get_rate(data->usb2_refclk);
+ rate /= 1000; // To KHz
+ for (i = 0; i < ARRAY_SIZE(dwc3_ti_rate_table); i++) {
+ if (dwc3_ti_rate_table[i] == rate)
+ break;
+ }
+
+ if (i == ARRAY_SIZE(dwc3_ti_rate_table)) {
+ dev_err(dev, "unsupported usb2_refclk rate: %lu KHz\n", rate);
+ ret = -EINVAL;
+ goto err_clk_disable;
+ }
+
+ data->rate_code = i;
+
+ /* Read the syscon property and set the rate code */
+ ret = phy_syscon_pll_refclk(data);
+ if (ret)
+ goto err_clk_disable;
+
+ /* VBUS divider select */
+ data->vbus_divider = device_property_read_bool(dev, "ti,vbus-divider");
+ reg = dwc3_ti_readl(data, USBSS_PHY_CONFIG);
+ if (data->vbus_divider)
+ reg |= 1 << USBSS_PHY_VBUS_SEL_SHIFT;
+
+ dwc3_ti_writel(data, USBSS_PHY_CONFIG, reg);
+
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ /*
+ * Don't ignore its dependencies with its children
+ */
+ pm_suspend_ignore_children(dev, false);
+ clk_prepare_enable(data->usb2_refclk);
+ pm_runtime_get_noresume(dev);
+
+ ret = of_platform_populate(node, NULL, NULL, dev);
+ if (ret) {
+ dev_err(dev, "failed to create dwc3 core: %d\n", ret);
+ goto err_pm_disable;
+ }
+
+ /* Set mode valid bit to indicate role is valid */
+ reg = dwc3_ti_readl(data, USBSS_MODE_CONTROL);
+ reg |= USBSS_MODE_VALID;
+ dwc3_ti_writel(data, USBSS_MODE_CONTROL, reg);
+
+ /* Setting up autosuspend */
+ pm_runtime_set_autosuspend_delay(dev, DWC3_AM62_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+ return 0;
+
+err_pm_disable:
+ clk_disable_unprepare(data->usb2_refclk);
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+err_clk_disable:
+ clk_put(data->usb2_refclk);
+ return ret;
+}
+
+static int dwc3_ti_remove_core(struct device *dev, void *c)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+
+ platform_device_unregister(pdev);
+ return 0;
+}
+
+static int dwc3_ti_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct dwc3_data *data = platform_get_drvdata(pdev);
+ u32 reg;
+
+ device_for_each_child(dev, NULL, dwc3_ti_remove_core);
+
+ /* Clear mode valid bit */
+ reg = dwc3_ti_readl(data, USBSS_MODE_CONTROL);
+ reg &= ~USBSS_MODE_VALID;
+ dwc3_ti_writel(data, USBSS_MODE_CONTROL, reg);
+
+ pm_runtime_put_sync(dev);
+ clk_disable_unprepare(data->usb2_refclk);
+ pm_runtime_disable(dev);
+ pm_runtime_set_suspended(dev);
+
+ clk_put(data->usb2_refclk);
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int dwc3_ti_suspend_common(struct device *dev)
+{
+ struct dwc3_data *data = dev_get_drvdata(dev);
+
+ clk_disable_unprepare(data->usb2_refclk);
+
+ return 0;
+}
+
+static int dwc3_ti_resume_common(struct device *dev)
+{
+ struct dwc3_data *data = dev_get_drvdata(dev);
+
+ clk_prepare_enable(data->usb2_refclk);
+
+ return 0;
+}
+
+static UNIVERSAL_DEV_PM_OPS(dwc3_ti_pm_ops, dwc3_ti_suspend_common,
+ dwc3_ti_resume_common, NULL);
+
+#define DEV_PM_OPS (&dwc3_ti_pm_ops)
+#else
+#define DEV_PM_OPS NULL
+#endif /* CONFIG_PM */
+
+static const struct of_device_id dwc3_ti_of_match[] = {
+ { .compatible = "ti,am62-usb"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, dwc3_ti_of_match);
+
+static struct platform_driver dwc3_ti_driver = {
+ .probe = dwc3_ti_probe,
+ .remove = dwc3_ti_remove,
+ .driver = {
+ .name = "dwc3-am62",
+ .pm = DEV_PM_OPS,
+ .of_match_table = dwc3_ti_of_match,
+ },
+};
+
+module_platform_driver(dwc3_ti_driver);
+
+MODULE_ALIAS("platform:dwc3-am62");
+MODULE_AUTHOR("Aswath Govindraju <a-govindraju@ti.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("DesignWare USB3 TI Glue Layer");
int ret;
ret = pm_runtime_get_sync(&dwc3->dev);
- if (ret) {
+ if (ret < 0) {
pm_runtime_put_sync_autosuspend(&dwc3->dev);
return;
}
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/of_gpio.h>
#include <linux/of_platform.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
{
struct device *dev = priv_data->dev;
struct reset_control *crst, *hibrst, *apbrst;
+ struct gpio_desc *reset_gpio;
struct phy *usb3_phy;
int ret = 0;
u32 reg;
}
skip_usb3_phy:
+ /* ulpi reset via gpio-modepin or gpio-framework driver */
+ reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(reset_gpio)) {
+ return dev_err_probe(dev, PTR_ERR(reset_gpio),
+ "Failed to request reset GPIO\n");
+ }
+
+ if (reset_gpio) {
+ /* Toggle ulpi to reset the phy. */
+ gpiod_set_value_cansleep(reset_gpio, 1);
+ usleep_range(5000, 10000);
+ gpiod_set_value_cansleep(reset_gpio, 0);
+ usleep_range(5000, 10000);
+ }
+
/*
* This routes the USB DMA traffic to go through FPD path instead
* of reaching DDR directly. This traffic routing is needed to
return ret;
}
-static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
+void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
{
struct dwc3_ep *dep;
int ret = -EINVAL;
u32 len;
- if (!dwc->gadget_driver)
+ if (!dwc->gadget_driver || !dwc->connected)
goto out;
trace_dwc3_ctrl_req(ctrl);
unsigned int direction = !dwc->ep0_expect_in;
dwc->delayed_status = false;
+ dwc->clear_stall_protocol = 0;
if (dwc->ep0state != EP0_STATUS_PHASE)
return;
__dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);
}
-static void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
+void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep)
{
struct dwc3_gadget_ep_cmd_params params;
u32 cmd;
int ret;
- if (!dep->resource_index)
+ /*
+ * For status/DATA OUT stage, TRB will be queued on ep0 out
+ * endpoint for which resource index is zero. Hence allow
+ * queuing ENDXFER command for ep0 out endpoint.
+ */
+ if (!dep->resource_index && dep->number)
return;
cmd = DWC3_DEPCMD_ENDTRANSFER;
/**
* 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_gadget_clear_tx_fifo_size - Clears txfifo allocation
+ * dwc3_gadget_clear_tx_fifos - Clears txfifo allocation
* @dwc: pointer to the DWC3 context
*
* Iterates through all the endpoint registers and clears the previous txfifo
num_fifos = 3;
if (dep->endpoint.maxburst > 6 &&
- usb_endpoint_xfer_bulk(dep->endpoint.desc) && DWC3_IP_IS(DWC31))
+ (usb_endpoint_xfer_bulk(dep->endpoint.desc) ||
+ usb_endpoint_xfer_isoc(dep->endpoint.desc)) && DWC3_IP_IS(DWC31))
num_fifos = dwc->tx_fifo_resize_max_num;
/* FIFO size for a single buffer */
reg |= DWC3_DALEPENA_EP(dep->number);
dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);
+ dep->trb_dequeue = 0;
+ dep->trb_enqueue = 0;
+
if (usb_endpoint_xfer_control(desc))
goto out;
/* Initialize the TRB ring */
- dep->trb_dequeue = 0;
- dep->trb_enqueue = 0;
memset(dep->trb_pool, 0,
sizeof(struct dwc3_trb) * DWC3_TRB_NUM);
static void dwc3_gadget_ep_cleanup_cancelled_requests(struct dwc3_ep *dep)
{
struct dwc3_request *req;
- struct dwc3_request *tmp;
struct dwc3 *dwc = dep->dwc;
- list_for_each_entry_safe(req, tmp, &dep->cancelled_list, list) {
+ while (!list_empty(&dep->cancelled_list)) {
+ req = next_request(&dep->cancelled_list);
dwc3_gadget_ep_skip_trbs(dep, req);
switch (req->status) {
case DWC3_REQUEST_STATUS_DISCONNECTED:
dwc3_gadget_giveback(dep, req, -ECONNRESET);
break;
}
+ /*
+ * The endpoint is disabled, let the dwc3_remove_requests()
+ * handle the cleanup.
+ */
+ if (!dep->endpoint.desc)
+ break;
}
}
if (r == req) {
struct dwc3_request *t;
- /*
- * If a Setup packet is received but yet to DMA out, the controller will
- * not process the End Transfer command of any endpoint. Polling of its
- * DEPCMD.CmdAct may block setting up TRB for Setup packet, causing a
- * timeout. Delay issuing the End Transfer command until the Setup TRB is
- * prepared.
- */
- if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status)
- dep->flags |= DWC3_EP_DELAY_STOP;
-
/* wait until it is processed */
dwc3_stop_active_transfer(dep, true, true);
if (dep->flags & DWC3_EP_END_TRANSFER_PENDING ||
(dep->flags & DWC3_EP_DELAY_STOP)) {
dep->flags |= DWC3_EP_PENDING_CLEAR_STALL;
+ if (protocol)
+ dwc->clear_stall_protocol = dep->number;
+
return 0;
}
static void __dwc3_gadget_stop(struct dwc3 *dwc);
static int __dwc3_gadget_start(struct dwc3 *dwc);
-static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
+static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
{
- struct dwc3 *dwc = gadget_to_dwc(g);
- unsigned long flags;
- int ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dwc->lock, flags);
+ dwc->connected = false;
- is_on = !!is_on;
- dwc->softconnect = is_on;
/*
* Per databook, when we want to stop the gadget, if a control transfer
* is still in process, complete it and get the core into setup phase.
*/
- if (!is_on && dwc->ep0state != EP0_SETUP_PHASE) {
+ if (dwc->ep0state != EP0_SETUP_PHASE) {
+ int ret;
+
reinit_completion(&dwc->ep0_in_setup);
+ spin_unlock_irqrestore(&dwc->lock, flags);
ret = wait_for_completion_timeout(&dwc->ep0_in_setup,
msecs_to_jiffies(DWC3_PULL_UP_TIMEOUT));
+ spin_lock_irqsave(&dwc->lock, flags);
if (ret == 0)
dev_warn(dwc->dev, "timed out waiting for SETUP phase\n");
}
+ /*
+ * In the Synopsys DesignWare Cores USB3 Databook Rev. 3.30a
+ * Section 4.1.8 Table 4-7, it states that for a device-initiated
+ * disconnect, the SW needs to ensure that it sends "a DEPENDXFER
+ * command for any active transfers" before clearing the RunStop
+ * bit.
+ */
+ dwc3_stop_active_transfers(dwc);
+ __dwc3_gadget_stop(dwc);
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+ /*
+ * Note: if the GEVNTCOUNT indicates events in the event buffer, the
+ * driver needs to acknowledge them before the controller can halt.
+ * Simply let the interrupt handler acknowledges and handle the
+ * remaining event generated by the controller while polling for
+ * DSTS.DEVCTLHLT.
+ */
+ return dwc3_gadget_run_stop(dwc, false, false);
+}
+
+static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
+{
+ struct dwc3 *dwc = gadget_to_dwc(g);
+ int ret;
+
+ is_on = !!is_on;
+
+ if (dwc->pullups_connected == is_on)
+ return 0;
+
+ dwc->softconnect = is_on;
+
/*
* Avoid issuing a runtime resume if the device is already in the
* suspended state during gadget disconnect. DWC3 gadget was already
return 0;
}
- /*
- * Synchronize and disable any further event handling while controller
- * is being enabled/disabled.
- */
- disable_irq(dwc->irq_gadget);
-
- spin_lock_irqsave(&dwc->lock, flags);
-
if (!is_on) {
- u32 count;
-
- dwc->connected = false;
- /*
- * In the Synopsis DesignWare Cores USB3 Databook Rev. 3.30a
- * Section 4.1.8 Table 4-7, it states that for a device-initiated
- * disconnect, the SW needs to ensure that it sends "a DEPENDXFER
- * command for any active transfers" before clearing the RunStop
- * bit.
- */
- dwc3_stop_active_transfers(dwc);
- __dwc3_gadget_stop(dwc);
-
- /*
- * In the Synopsis DesignWare Cores USB3 Databook Rev. 3.30a
- * Section 1.3.4, it mentions that for the DEVCTRLHLT bit, the
- * "software needs to acknowledge the events that are generated
- * (by writing to GEVNTCOUNTn) while it is waiting for this bit
- * to be set to '1'."
- */
- count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0));
- count &= DWC3_GEVNTCOUNT_MASK;
- if (count > 0) {
- dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), count);
- dwc->ev_buf->lpos = (dwc->ev_buf->lpos + count) %
- dwc->ev_buf->length;
- }
+ ret = dwc3_gadget_soft_disconnect(dwc);
} else {
/*
* In the Synopsys DWC_usb31 1.90a programming guide section
* device-initiated disconnect requires a core soft reset
* (DCTL.CSftRst) before enabling the run/stop bit.
*/
- spin_unlock_irqrestore(&dwc->lock, flags);
dwc3_core_soft_reset(dwc);
- spin_lock_irqsave(&dwc->lock, flags);
dwc3_event_buffers_setup(dwc);
__dwc3_gadget_start(dwc);
+ ret = dwc3_gadget_run_stop(dwc, true, false);
}
- ret = dwc3_gadget_run_stop(dwc, is_on, false);
- spin_unlock_irqrestore(&dwc->lock, flags);
- enable_irq(dwc->irq_gadget);
-
pm_runtime_put(dwc->dev);
return ret;
/* begin to receive SETUP packets */
dwc->ep0state = EP0_SETUP_PHASE;
+ dwc->ep0_bounced = false;
dwc->link_state = DWC3_LINK_STATE_SS_DIS;
dwc->delayed_status = false;
dwc3_ep0_out_start(dwc);
const struct dwc3_event_depevt *event, int status)
{
struct dwc3_request *req;
- struct dwc3_request *tmp;
- list_for_each_entry_safe(req, tmp, &dep->started_list, list) {
+ while (!list_empty(&dep->started_list)) {
int ret;
+ req = next_request(&dep->started_list);
ret = dwc3_gadget_ep_cleanup_completed_request(dep, event,
req, status);
if (ret)
break;
+ /*
+ * The endpoint is disabled, let the dwc3_remove_requests()
+ * handle the cleanup.
+ */
+ if (!dep->endpoint.desc)
+ break;
}
}
struct dwc3 *dwc = dep->dwc;
bool no_started_trb = true;
- if (!dep->endpoint.desc)
- return no_started_trb;
-
dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
if (dep->flags & DWC3_EP_END_TRANSFER_PENDING)
goto out;
+ if (!dep->endpoint.desc)
+ return no_started_trb;
+
if (usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
list_empty(&dep->started_list) &&
(list_empty(&dep->pending_list) || status == -EXDEV))
}
dep->flags &= ~(DWC3_EP_STALL | DWC3_EP_WEDGE);
- if (dwc->delayed_status)
+ if (dwc->clear_stall_protocol == dep->number)
dwc3_ep0_send_delayed_status(dwc);
}
void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
bool interrupt)
{
+ struct dwc3 *dwc = dep->dwc;
+
+ /*
+ * Only issue End Transfer command to the control endpoint of a started
+ * Data Phase. Typically we should only do so in error cases such as
+ * invalid/unexpected direction as described in the control transfer
+ * flow of the programming guide.
+ */
+ if (dep->number <= 1 && dwc->ep0state != EP0_DATA_PHASE)
+ return;
+
if (!(dep->flags & DWC3_EP_TRANSFER_STARTED) ||
(dep->flags & DWC3_EP_DELAY_STOP) ||
(dep->flags & DWC3_EP_END_TRANSFER_PENDING))
return;
+ /*
+ * If a Setup packet is received but yet to DMA out, the controller will
+ * not process the End Transfer command of any endpoint. Polling of its
+ * DEPCMD.CmdAct may block setting up TRB for Setup packet, causing a
+ * timeout. Delay issuing the End Transfer command until the Setup TRB is
+ * prepared.
+ */
+ if (dwc->ep0state != EP0_SETUP_PHASE && !dwc->delayed_status) {
+ dep->flags |= DWC3_EP_DELAY_STOP;
+ return;
+ }
+
/*
* NOTICE: We are violating what the Databook says about the
* EndTransfer command. Ideally we would _always_ wait for the
}
dwc3_reset_gadget(dwc);
+
+ /*
+ * From SNPS databook section 8.1.2, the EP0 should be in setup
+ * phase. So ensure that EP0 is in setup phase by issuing a stall
+ * and restart if EP0 is not in setup phase.
+ */
+ if (dwc->ep0state != EP0_SETUP_PHASE) {
+ unsigned int dir;
+
+ dir = !!dwc->ep0_expect_in;
+ if (dwc->ep0state == EP0_DATA_PHASE)
+ dwc3_ep0_end_control_data(dwc, dwc->eps[dir]);
+ else
+ dwc3_ep0_end_control_data(dwc, dwc->eps[!dir]);
+
+ dwc->eps[0]->trb_enqueue = 0;
+ dwc->eps[1]->trb_enqueue = 0;
+
+ dwc3_ep0_stall_and_restart(dwc);
+ }
+
/*
* In the Synopsis DesignWare Cores USB3 Databook Rev. 3.30a
* Section 4.1.2 Table 4-2, it states that during a USB reset, the SW
void dwc3_ep0_interrupt(struct dwc3 *dwc,
const struct dwc3_event_depevt *event);
void dwc3_ep0_out_start(struct dwc3 *dwc);
+void dwc3_ep0_end_control_data(struct dwc3 *dwc, struct dwc3_ep *dep);
+void dwc3_ep0_stall_and_restart(struct dwc3 *dwc);
int __dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
* Authors: Felipe Balbi <balbi@ti.com>,
*/
-#include <linux/acpi.h>
#include <linux/irq.h>
#include <linux/of.h>
#include <linux/platform_device.h>
}
xhci->dev.parent = dwc->dev;
- ACPI_COMPANION_SET(&xhci->dev, ACPI_COMPANION(dwc->dev));
dwc->xhci = xhci;
gadget_driver->driver.name = driver->name;
gadget_driver->max_speed = driver->max_speed;
- return usb_gadget_probe_driver(gadget_driver);
+ return usb_gadget_register_driver(gadget_driver);
}
EXPORT_SYMBOL_GPL(usb_composite_probe);
goto err;
}
gi->composite.gadget_driver.udc_name = name;
- ret = usb_gadget_probe_driver(&gi->composite.gadget_driver);
+ ret = usb_gadget_register_driver(&gi->composite.gadget_driver);
if (ret) {
gi->composite.gadget_driver.udc_name = NULL;
goto err;
}
}
+static int acm_send_break(struct gserial *port, int duration);
+
static int acm_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
{
struct f_acm *acm = func_to_acm(f);
acm->port_handshake_bits = w_value;
break;
+ case ((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE) << 8)
+ | USB_CDC_REQ_SEND_BREAK:
+ if (w_index != acm->ctrl_id)
+ goto invalid;
+
+ acm_send_break(&acm->port, w_value);
+ break;
+
default:
invalid:
dev_vdbg(&cdev->gadget->dev,
#include <media/v4l2-dev.h>
#include <media/v4l2-event.h>
-#include "u_uvc.h"
#include "uvc.h"
#include "uvc_configfs.h"
#include "uvc_v4l2.h"
#define UVC_STRING_STREAMING_IDX 1
static struct usb_string uvc_en_us_strings[] = {
- [UVC_STRING_CONTROL_IDX].s = "UVC Camera",
+ /* [UVC_STRING_CONTROL_IDX].s = DYNAMIC, */
[UVC_STRING_STREAMING_IDX].s = "Video Streaming",
{ }
};
uvc_hs_streaming_ep.bEndpointAddress = uvc->video.ep->address;
uvc_ss_streaming_ep.bEndpointAddress = uvc->video.ep->address;
+ uvc_en_us_strings[UVC_STRING_CONTROL_IDX].s = opts->function_name;
us = usb_gstrings_attach(cdev, uvc_function_strings,
ARRAY_SIZE(uvc_en_us_strings));
if (IS_ERR(us)) {
opts->streaming_interval = 1;
opts->streaming_maxpacket = 1024;
+ snprintf(opts->function_name, sizeof(opts->function_name), "UVC Camera");
ret = uvcg_attach_configfs(opts);
if (ret < 0) {
if (c_chmask) {
struct uac_rtd_params *prm = &uac->c_prm;
- spin_lock_init(&prm->lock);
- uac->c_prm.uac = uac;
+ spin_lock_init(&prm->lock);
+ uac->c_prm.uac = uac;
prm->max_psize = g_audio->out_ep_maxpsize;
prm->srate = params->c_srates[0];
unsigned int control_interface;
unsigned int streaming_interface;
+ char function_name[32];
/*
* Control descriptors array pointers for full-/high-speed and
struct uvc_video *video;
struct sg_table sgt;
u8 header[UVCG_REQUEST_HEADER_LEN];
+ struct uvc_buffer *last_buf;
};
struct uvc_video {
* Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
*/
-#include <linux/sort.h>
-
-#include "u_uvc.h"
#include "uvc_configfs.h"
+#include <linux/sort.h>
+
/* -----------------------------------------------------------------------------
* Global Utility Structures and Macros
*/
-#define UVCG_STREAMING_CONTROL_SIZE 1
-
#define UVC_ATTR(prefix, cname, aname) \
static struct configfs_attribute prefix##attr_##cname = { \
.ca_name = __stringify(aname), \
return li < ri ? -1 : li == ri ? 0 : 1;
}
-static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item)
-{
- return container_of(to_config_group(item), struct f_uvc_opts,
- func_inst.group);
-}
-
struct uvcg_config_group_type {
struct config_item_type type;
const char *name;
* control/header
*/
-DECLARE_UVC_HEADER_DESCRIPTOR(1);
-
-struct uvcg_control_header {
- struct config_item item;
- struct UVC_HEADER_DESCRIPTOR(1) desc;
- unsigned linked;
-};
-
-static struct uvcg_control_header *to_uvcg_control_header(struct config_item *item)
-{
- return container_of(item, struct uvcg_control_header, item);
-}
-
#define UVCG_CTRL_HDR_ATTR(cname, aname, bits, limit) \
static ssize_t uvcg_control_header_##cname##_show( \
struct config_item *item, char *page) \
"mjpeg",
};
-enum uvcg_format_type {
- UVCG_UNCOMPRESSED = 0,
- UVCG_MJPEG,
-};
-
-struct uvcg_format {
- struct config_group group;
- enum uvcg_format_type type;
- unsigned linked;
- unsigned num_frames;
- __u8 bmaControls[UVCG_STREAMING_CONTROL_SIZE];
-};
-
-static struct uvcg_format *to_uvcg_format(struct config_item *item)
-{
- return container_of(to_config_group(item), struct uvcg_format, group);
-}
-
static ssize_t uvcg_format_bma_controls_show(struct uvcg_format *f, char *page)
{
struct f_uvc_opts *opts;
return ret;
}
-struct uvcg_format_ptr {
- struct uvcg_format *fmt;
- struct list_head entry;
-};
-
/* -----------------------------------------------------------------------------
* streaming/header/<NAME>
* streaming/header
*/
-struct uvcg_streaming_header {
- struct config_item item;
- struct uvc_input_header_descriptor desc;
- unsigned linked;
- struct list_head formats;
- unsigned num_fmt;
-};
-
-static struct uvcg_streaming_header *to_uvcg_streaming_header(struct config_item *item)
-{
- return container_of(item, struct uvcg_streaming_header, item);
-}
-
static void uvcg_format_set_indices(struct config_group *fmt);
static int uvcg_streaming_header_allow_link(struct config_item *src,
* streaming/<mode>/<format>/<NAME>
*/
-struct uvcg_frame {
- struct config_item item;
- enum uvcg_format_type fmt_type;
- struct {
- u8 b_length;
- u8 b_descriptor_type;
- u8 b_descriptor_subtype;
- u8 b_frame_index;
- u8 bm_capabilities;
- u16 w_width;
- u16 w_height;
- u32 dw_min_bit_rate;
- u32 dw_max_bit_rate;
- u32 dw_max_video_frame_buffer_size;
- u32 dw_default_frame_interval;
- u8 b_frame_interval_type;
- } __attribute__((packed)) frame;
- u32 *dw_frame_interval;
-};
-
-static struct uvcg_frame *to_uvcg_frame(struct config_item *item)
-{
- return container_of(item, struct uvcg_frame, item);
-}
-
#define UVCG_FRAME_ATTR(cname, aname, bits) \
static ssize_t uvcg_frame_##cname##_show(struct config_item *item, char *page)\
{ \
struct uvcg_format *fmt;
struct f_uvc_opts *opts;
struct config_item *opts_item;
+ struct uvcg_frame_ptr *frame_ptr;
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
kfree(h);
return ERR_PTR(-EINVAL);
}
+
+ frame_ptr = kzalloc(sizeof(*frame_ptr), GFP_KERNEL);
+ if (!frame_ptr) {
+ mutex_unlock(&opts->lock);
+ kfree(h);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ frame_ptr->frm = h;
+ list_add_tail(&frame_ptr->entry, &fmt->frames);
++fmt->num_frames;
mutex_unlock(&opts->lock);
struct uvcg_format *fmt;
struct f_uvc_opts *opts;
struct config_item *opts_item;
+ struct uvcg_frame *target_frm = NULL;
+ struct uvcg_frame_ptr *frame_ptr, *tmp;
opts_item = group->cg_item.ci_parent->ci_parent->ci_parent;
opts = to_f_uvc_opts(opts_item);
mutex_lock(&opts->lock);
+ target_frm = container_of(item, struct uvcg_frame, item);
fmt = to_uvcg_format(&group->cg_item);
- --fmt->num_frames;
+
+ list_for_each_entry_safe(frame_ptr, tmp, &fmt->frames, entry)
+ if (frame_ptr->frm == target_frm) {
+ list_del(&frame_ptr->entry);
+ kfree(frame_ptr);
+ --fmt->num_frames;
+ break;
+ }
mutex_unlock(&opts->lock);
config_item_put(item);
* streaming/uncompressed/<NAME>
*/
-struct uvcg_uncompressed {
- struct uvcg_format fmt;
- struct uvc_format_uncompressed desc;
-};
-
-static struct uvcg_uncompressed *to_uvcg_uncompressed(struct config_item *item)
-{
- return container_of(
- container_of(to_config_group(item), struct uvcg_format, group),
- struct uvcg_uncompressed, fmt);
-}
-
static struct configfs_group_operations uvcg_uncompressed_group_ops = {
.make_item = uvcg_frame_make,
.drop_item = uvcg_frame_drop,
if (ret) \
goto end; \
\
+ /* index values in uvc are never 0 */ \
+ if (!num) { \
+ ret = -EINVAL; \
+ goto end; \
+ } \
+ \
u->desc.aname = num; \
ret = len; \
end: \
h->desc.bmInterfaceFlags = 0;
h->desc.bCopyProtect = 0;
+ INIT_LIST_HEAD(&h->fmt.frames);
h->fmt.type = UVCG_UNCOMPRESSED;
config_group_init_type_name(&h->fmt.group, name,
&uvcg_uncompressed_type);
* streaming/mjpeg/<NAME>
*/
-struct uvcg_mjpeg {
- struct uvcg_format fmt;
- struct uvc_format_mjpeg desc;
-};
-
-static struct uvcg_mjpeg *to_uvcg_mjpeg(struct config_item *item)
-{
- return container_of(
- container_of(to_config_group(item), struct uvcg_format, group),
- struct uvcg_mjpeg, fmt);
-}
-
static struct configfs_group_operations uvcg_mjpeg_group_ops = {
.make_item = uvcg_frame_make,
.drop_item = uvcg_frame_drop,
if (ret) \
goto end; \
\
+ /* index values in uvc are never 0 */ \
+ if (!num) { \
+ ret = -EINVAL; \
+ goto end; \
+ } \
+ \
u->desc.aname = num; \
ret = len; \
end: \
h->desc.bmInterfaceFlags = 0;
h->desc.bCopyProtect = 0;
+ INIT_LIST_HEAD(&h->fmt.frames);
h->fmt.type = UVCG_MJPEG;
config_group_init_type_name(&h->fmt.group, name,
&uvcg_mjpeg_type);
#undef UVCG_OPTS_ATTR
+#define UVCG_OPTS_STRING_ATTR(cname, aname) \
+static ssize_t f_uvc_opts_string_##cname##_show(struct config_item *item,\
+ char *page) \
+{ \
+ struct f_uvc_opts *opts = to_f_uvc_opts(item); \
+ int result; \
+ \
+ mutex_lock(&opts->lock); \
+ result = snprintf(page, sizeof(opts->aname), "%s", opts->aname);\
+ mutex_unlock(&opts->lock); \
+ \
+ return result; \
+} \
+ \
+static ssize_t f_uvc_opts_string_##cname##_store(struct config_item *item,\
+ const char *page, size_t len) \
+{ \
+ struct f_uvc_opts *opts = to_f_uvc_opts(item); \
+ int ret = 0; \
+ \
+ mutex_lock(&opts->lock); \
+ if (opts->refcnt) { \
+ ret = -EBUSY; \
+ goto end; \
+ } \
+ \
+ ret = snprintf(opts->aname, min(sizeof(opts->aname), len), \
+ "%s", page); \
+ \
+end: \
+ mutex_unlock(&opts->lock); \
+ return ret; \
+} \
+ \
+UVC_ATTR(f_uvc_opts_string_, cname, aname)
+
+UVCG_OPTS_STRING_ATTR(function_name, function_name);
+
+#undef UVCG_OPTS_STRING_ATTR
+
static struct configfs_attribute *uvc_attrs[] = {
&f_uvc_opts_attr_streaming_interval,
&f_uvc_opts_attr_streaming_maxpacket,
&f_uvc_opts_attr_streaming_maxburst,
+ &f_uvc_opts_string_attr_function_name,
NULL,
};
#ifndef UVC_CONFIGFS_H
#define UVC_CONFIGFS_H
-struct f_uvc_opts;
+#include <linux/configfs.h>
+
+#include "u_uvc.h"
+
+static inline struct f_uvc_opts *to_f_uvc_opts(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct f_uvc_opts,
+ func_inst.group);
+}
+
+#define UVCG_STREAMING_CONTROL_SIZE 1
+
+DECLARE_UVC_HEADER_DESCRIPTOR(1);
+
+struct uvcg_control_header {
+ struct config_item item;
+ struct UVC_HEADER_DESCRIPTOR(1) desc;
+ unsigned linked;
+};
+
+static inline struct uvcg_control_header *to_uvcg_control_header(struct config_item *item)
+{
+ return container_of(item, struct uvcg_control_header, item);
+}
+
+enum uvcg_format_type {
+ UVCG_UNCOMPRESSED = 0,
+ UVCG_MJPEG,
+};
+
+struct uvcg_format {
+ struct config_group group;
+ enum uvcg_format_type type;
+ unsigned linked;
+ struct list_head frames;
+ unsigned num_frames;
+ __u8 bmaControls[UVCG_STREAMING_CONTROL_SIZE];
+};
+
+struct uvcg_format_ptr {
+ struct uvcg_format *fmt;
+ struct list_head entry;
+};
+
+static inline struct uvcg_format *to_uvcg_format(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct uvcg_format, group);
+}
+
+struct uvcg_streaming_header {
+ struct config_item item;
+ struct uvc_input_header_descriptor desc;
+ unsigned linked;
+ struct list_head formats;
+ unsigned num_fmt;
+};
+
+static inline struct uvcg_streaming_header *to_uvcg_streaming_header(struct config_item *item)
+{
+ return container_of(item, struct uvcg_streaming_header, item);
+}
+
+struct uvcg_frame_ptr {
+ struct uvcg_frame *frm;
+ struct list_head entry;
+};
+
+struct uvcg_frame {
+ struct config_item item;
+ enum uvcg_format_type fmt_type;
+ struct {
+ u8 b_length;
+ u8 b_descriptor_type;
+ u8 b_descriptor_subtype;
+ u8 b_frame_index;
+ u8 bm_capabilities;
+ u16 w_width;
+ u16 w_height;
+ u32 dw_min_bit_rate;
+ u32 dw_max_bit_rate;
+ u32 dw_max_video_frame_buffer_size;
+ u32 dw_default_frame_interval;
+ u8 b_frame_interval_type;
+ } __attribute__((packed)) frame;
+ u32 *dw_frame_interval;
+};
+
+static inline struct uvcg_frame *to_uvcg_frame(struct config_item *item)
+{
+ return container_of(item, struct uvcg_frame, item);
+}
+
+/* -----------------------------------------------------------------------------
+ * streaming/uncompressed/<NAME>
+ */
+
+struct uvcg_uncompressed {
+ struct uvcg_format fmt;
+ struct uvc_format_uncompressed desc;
+};
+
+static inline struct uvcg_uncompressed *to_uvcg_uncompressed(struct config_item *item)
+{
+ return container_of(to_uvcg_format(item), struct uvcg_uncompressed, fmt);
+}
+
+/* -----------------------------------------------------------------------------
+ * streaming/mjpeg/<NAME>
+ */
+
+struct uvcg_mjpeg {
+ struct uvcg_format fmt;
+ struct uvc_format_mjpeg desc;
+};
+
+static inline struct uvcg_mjpeg *to_uvcg_mjpeg(struct config_item *item)
+{
+ return container_of(to_uvcg_format(item), struct uvcg_mjpeg, fmt);
+}
int uvcg_attach_configfs(struct f_uvc_opts *opts);
int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)
{
- unsigned long flags;
- int ret;
-
- ret = vb2_qbuf(&queue->queue, NULL, buf);
- if (ret < 0)
- return ret;
-
- spin_lock_irqsave(&queue->irqlock, flags);
- ret = (queue->flags & UVC_QUEUE_PAUSED) != 0;
- queue->flags &= ~UVC_QUEUE_PAUSED;
- spin_unlock_irqrestore(&queue->irqlock, flags);
- return ret;
+ return vb2_qbuf(&queue->queue, NULL, buf);
}
/*
}
/* called with &queue_irqlock held.. */
-struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
+void uvcg_complete_buffer(struct uvc_video_queue *queue,
struct uvc_buffer *buf)
{
- struct uvc_buffer *nextbuf;
-
if ((queue->flags & UVC_QUEUE_DROP_INCOMPLETE) &&
buf->length != buf->bytesused) {
buf->state = UVC_BUF_STATE_QUEUED;
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, 0);
- return buf;
+ return;
}
- list_del(&buf->queue);
- if (!list_empty(&queue->irqqueue))
- nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
- queue);
- else
- nextbuf = NULL;
-
buf->buf.field = V4L2_FIELD_NONE;
buf->buf.sequence = queue->sequence++;
buf->buf.vb2_buf.timestamp = ktime_get_ns();
vb2_set_plane_payload(&buf->buf.vb2_buf, 0, buf->bytesused);
vb2_buffer_done(&buf->buf.vb2_buf, VB2_BUF_STATE_DONE);
-
- return nextbuf;
}
struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)
if (!list_empty(&queue->irqqueue))
buf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
queue);
- else
- queue->flags |= UVC_QUEUE_PAUSED;
return buf;
}
#define UVC_QUEUE_DISCONNECTED (1 << 0)
#define UVC_QUEUE_DROP_INCOMPLETE (1 << 1)
-#define UVC_QUEUE_PAUSED (1 << 2)
struct uvc_video_queue {
struct vb2_queue queue;
int uvcg_queue_enable(struct uvc_video_queue *queue, int enable);
-struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,
+void uvcg_complete_buffer(struct uvc_video_queue *queue,
struct uvc_buffer *buf);
struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue);
if (buf->bytesused == video->queue.buf_used) {
video->queue.buf_used = 0;
buf->state = UVC_BUF_STATE_DONE;
- uvcg_queue_next_buffer(&video->queue, buf);
+ list_del(&buf->queue);
+ uvcg_complete_buffer(&video->queue, buf);
video->fid ^= UVC_STREAM_FID;
video->payload_size = 0;
sg = sg_next(sg);
for_each_sg(sg, iter, ureq->sgt.nents - 1, i) {
- if (!len || !buf->sg)
+ if (!len || !buf->sg || !sg_dma_len(buf->sg))
break;
sg_left = sg_dma_len(buf->sg) - buf->offset;
video->queue.buf_used = 0;
buf->state = UVC_BUF_STATE_DONE;
buf->offset = 0;
- uvcg_queue_next_buffer(&video->queue, buf);
+ list_del(&buf->queue);
video->fid ^= UVC_STREAM_FID;
+ ureq->last_buf = buf;
}
}
if (buf->bytesused == video->queue.buf_used) {
video->queue.buf_used = 0;
buf->state = UVC_BUF_STATE_DONE;
- uvcg_queue_next_buffer(&video->queue, buf);
+ list_del(&buf->queue);
+ uvcg_complete_buffer(&video->queue, buf);
video->fid ^= UVC_STREAM_FID;
}
}
uvcg_queue_cancel(queue, 0);
}
+ if (ureq->last_buf) {
+ uvcg_complete_buffer(&video->queue, ureq->last_buf);
+ ureq->last_buf = NULL;
+ }
+
spin_lock_irqsave(&video->req_lock, flags);
list_add_tail(&req->list, &video->req_free);
spin_unlock_irqrestore(&video->req_lock, flags);
video->ureq[i].req->complete = uvc_video_complete;
video->ureq[i].req->context = &video->ureq[i];
video->ureq[i].video = video;
+ video->ureq[i].last_buf = NULL;
list_add_tail(&video->ureq[i].req->list, &video->req_free);
/* req_size/PAGE_SIZE + 1 for overruns and + 1 for header */
static int __init dbgp_init(void)
{
- return usb_gadget_probe_driver(&dbgp_driver);
+ return usb_gadget_register_driver(&dbgp_driver);
}
static void __exit dbgp_exit(void)
else
gadgetfs_driver.max_speed = USB_SPEED_FULL;
- value = usb_gadget_probe_driver(&gadgetfs_driver);
+ value = usb_gadget_register_driver(&gadgetfs_driver);
if (value != 0) {
spin_lock_irq(&dev->lock);
goto fail;
}
spin_unlock_irqrestore(&dev->lock, flags);
- ret = usb_gadget_probe_driver(&dev->driver);
+ ret = usb_gadget_register_driver(&dev->driver);
spin_lock_irqsave(&dev->lock, flags);
if (ret) {
dev_err(dev->dev,
- "fail, usb_gadget_probe_driver returned %d\n", ret);
+ "fail, usb_gadget_register_driver returned %d\n", ret);
dev->state = STATE_DEV_FAILED;
goto out_unlock;
}
#include <linux/module.h>
#include <linux/device.h>
#include <linux/list.h>
+#include <linux/idr.h>
#include <linux/err.h>
#include <linux/dma-mapping.h>
#include <linux/sched/task_stack.h>
#include "trace.h"
+static DEFINE_IDA(gadget_id_numbers);
+
+static struct bus_type gadget_bus_type;
+
/**
* struct usb_udc - describes one usb device controller
* @driver: the gadget driver pointer. For use by the class code
static struct class *udc_class;
static LIST_HEAD(udc_list);
-static LIST_HEAD(gadget_driver_pending_list);
-static DEFINE_MUTEX(udc_lock);
-static int udc_bind_to_driver(struct usb_udc *udc,
- struct usb_gadget_driver *driver);
+/* Protects udc_list, udc->driver, driver->is_bound, and related calls */
+static DEFINE_MUTEX(udc_lock);
/* ------------------------------------------------------------------------- */
dev_vdbg(dev, "%s\n", __func__);
}
-/* should be called with udc_lock held */
-static int check_pending_gadget_drivers(struct usb_udc *udc)
-{
- struct usb_gadget_driver *driver;
- int ret = 0;
-
- list_for_each_entry(driver, &gadget_driver_pending_list, pending)
- if (!driver->udc_name || strcmp(driver->udc_name,
- dev_name(&udc->dev)) == 0) {
- ret = udc_bind_to_driver(udc, driver);
- if (ret != -EPROBE_DEFER)
- list_del_init(&driver->pending);
- break;
- }
-
- return ret;
-}
-
/**
* usb_initialize_gadget - initialize a gadget and its embedded struct device
* @parent: the parent device to this udc. Usually the controller driver's
* device.
* @gadget: the gadget to be initialized.
* @release: a gadget release function.
- *
- * Returns zero on success, negative errno otherwise.
- * Calls the gadget release function in the latter case.
*/
void usb_initialize_gadget(struct device *parent, struct usb_gadget *gadget,
void (*release)(struct device *dev))
{
- dev_set_name(&gadget->dev, "gadget");
INIT_WORK(&gadget->work, usb_gadget_state_work);
gadget->dev.parent = parent;
gadget->dev.release = usb_udc_nop_release;
device_initialize(&gadget->dev);
+ gadget->dev.bus = &gadget_bus_type;
}
EXPORT_SYMBOL_GPL(usb_initialize_gadget);
if (ret)
goto err_put_udc;
- ret = device_add(&gadget->dev);
- if (ret)
- goto err_put_udc;
-
udc->gadget = gadget;
gadget->udc = udc;
mutex_lock(&udc_lock);
list_add_tail(&udc->list, &udc_list);
+ mutex_unlock(&udc_lock);
ret = device_add(&udc->dev);
if (ret)
usb_gadget_set_state(gadget, USB_STATE_NOTATTACHED);
udc->vbus = true;
- /* pick up one of pending gadget drivers */
- ret = check_pending_gadget_drivers(udc);
- if (ret)
+ ret = ida_alloc(&gadget_id_numbers, GFP_KERNEL);
+ if (ret < 0)
goto err_del_udc;
+ gadget->id_number = ret;
+ dev_set_name(&gadget->dev, "gadget.%d", ret);
- mutex_unlock(&udc_lock);
+ ret = device_add(&gadget->dev);
+ if (ret)
+ goto err_free_id;
return 0;
+ err_free_id:
+ ida_free(&gadget_id_numbers, gadget->id_number);
+
err_del_udc:
flush_work(&gadget->work);
device_del(&udc->dev);
err_unlist_udc:
+ mutex_lock(&udc_lock);
list_del(&udc->list);
mutex_unlock(&udc_lock);
- device_del(&gadget->dev);
-
err_put_udc:
put_device(&udc->dev);
}
EXPORT_SYMBOL_GPL(usb_add_gadget_udc);
-static void usb_gadget_remove_driver(struct usb_udc *udc)
-{
- dev_dbg(&udc->dev, "unregistering UDC driver [%s]\n",
- udc->driver->function);
-
- kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
-
- usb_gadget_disconnect(udc->gadget);
- usb_gadget_disable_async_callbacks(udc);
- if (udc->gadget->irq)
- synchronize_irq(udc->gadget->irq);
- udc->driver->unbind(udc->gadget);
- usb_gadget_udc_stop(udc);
-
- udc->driver = NULL;
- udc->gadget->dev.driver = NULL;
-}
-
/**
- * usb_del_gadget - deletes @udc from udc_list
- * @gadget: the gadget to be removed.
+ * usb_del_gadget - deletes a gadget and unregisters its udc
+ * @gadget: the gadget to be deleted.
*
- * This will call usb_gadget_unregister_driver() if
- * the @udc is still busy.
+ * This will unbind @gadget, if it is bound.
* It will not do a final usb_put_gadget().
*/
void usb_del_gadget(struct usb_gadget *gadget)
mutex_lock(&udc_lock);
list_del(&udc->list);
-
- if (udc->driver) {
- struct usb_gadget_driver *driver = udc->driver;
-
- usb_gadget_remove_driver(udc);
- list_add(&driver->pending, &gadget_driver_pending_list);
- }
mutex_unlock(&udc_lock);
kobject_uevent(&udc->dev.kobj, KOBJ_REMOVE);
flush_work(&gadget->work);
- device_unregister(&udc->dev);
device_del(&gadget->dev);
+ ida_free(&gadget_id_numbers, gadget->id_number);
+ device_unregister(&udc->dev);
}
EXPORT_SYMBOL_GPL(usb_del_gadget);
/**
- * usb_del_gadget_udc - deletes @udc from udc_list
- * @gadget: the gadget to be removed.
+ * usb_del_gadget_udc - unregisters a gadget
+ * @gadget: the gadget to be unregistered.
*
* Calls usb_del_gadget() and does a final usb_put_gadget().
*/
/* ------------------------------------------------------------------------- */
-static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *driver)
+static int gadget_match_driver(struct device *dev, struct device_driver *drv)
{
- int ret;
+ struct usb_gadget *gadget = dev_to_usb_gadget(dev);
+ struct usb_udc *udc = gadget->udc;
+ struct usb_gadget_driver *driver = container_of(drv,
+ struct usb_gadget_driver, driver);
- dev_dbg(&udc->dev, "registering UDC driver [%s]\n",
- driver->function);
+ /* If the driver specifies a udc_name, it must match the UDC's name */
+ if (driver->udc_name &&
+ strcmp(driver->udc_name, dev_name(&udc->dev)) != 0)
+ return 0;
+
+ /* If the driver is already bound to a gadget, it doesn't match */
+ if (driver->is_bound)
+ return 0;
+
+ /* Otherwise any gadget driver matches any UDC */
+ return 1;
+}
+static int gadget_bind_driver(struct device *dev)
+{
+ struct usb_gadget *gadget = dev_to_usb_gadget(dev);
+ struct usb_udc *udc = gadget->udc;
+ struct usb_gadget_driver *driver = container_of(dev->driver,
+ struct usb_gadget_driver, driver);
+ int ret = 0;
+
+ mutex_lock(&udc_lock);
+ if (driver->is_bound) {
+ mutex_unlock(&udc_lock);
+ return -ENXIO; /* Driver binds to only one gadget */
+ }
+ driver->is_bound = true;
udc->driver = driver;
- udc->gadget->dev.driver = &driver->driver;
+ mutex_unlock(&udc_lock);
+
+ dev_dbg(&udc->dev, "binding gadget driver [%s]\n", driver->function);
usb_gadget_udc_set_speed(udc, driver->max_speed);
+ mutex_lock(&udc_lock);
ret = driver->bind(udc->gadget, driver);
if (ret)
- goto err1;
+ goto err_bind;
+
ret = usb_gadget_udc_start(udc);
- if (ret) {
- driver->unbind(udc->gadget);
- goto err1;
- }
+ if (ret)
+ goto err_start;
usb_gadget_enable_async_callbacks(udc);
usb_udc_connect_control(udc);
+ mutex_unlock(&udc_lock);
kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
return 0;
-err1:
+
+ err_start:
+ driver->unbind(udc->gadget);
+
+ err_bind:
if (ret != -EISNAM)
dev_err(&udc->dev, "failed to start %s: %d\n",
- udc->driver->function, ret);
+ driver->function, ret);
+
udc->driver = NULL;
- udc->gadget->dev.driver = NULL;
+ driver->is_bound = false;
+ mutex_unlock(&udc_lock);
+
return ret;
}
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver)
+static void gadget_unbind_driver(struct device *dev)
{
- struct usb_udc *udc = NULL, *iter;
- int ret = -ENODEV;
+ struct usb_gadget *gadget = dev_to_usb_gadget(dev);
+ struct usb_udc *udc = gadget->udc;
+ struct usb_gadget_driver *driver = udc->driver;
+
+ dev_dbg(&udc->dev, "unbinding gadget driver [%s]\n", driver->function);
+
+ kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE);
+
+ mutex_lock(&udc_lock);
+ usb_gadget_disconnect(gadget);
+ usb_gadget_disable_async_callbacks(udc);
+ if (gadget->irq)
+ synchronize_irq(gadget->irq);
+ udc->driver->unbind(gadget);
+ usb_gadget_udc_stop(udc);
+
+ driver->is_bound = false;
+ udc->driver = NULL;
+ mutex_unlock(&udc_lock);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int usb_gadget_register_driver_owner(struct usb_gadget_driver *driver,
+ struct module *owner, const char *mod_name)
+{
+ int ret;
if (!driver || !driver->bind || !driver->setup)
return -EINVAL;
+ driver->driver.bus = &gadget_bus_type;
+ driver->driver.owner = owner;
+ driver->driver.mod_name = mod_name;
+ ret = driver_register(&driver->driver);
+ if (ret) {
+ pr_warn("%s: driver registration failed: %d\n",
+ driver->function, ret);
+ return ret;
+ }
+
mutex_lock(&udc_lock);
- if (driver->udc_name) {
- list_for_each_entry(iter, &udc_list, list) {
- ret = strcmp(driver->udc_name, dev_name(&iter->dev));
- if (ret)
- continue;
- udc = iter;
- break;
- }
- if (ret)
- ret = -ENODEV;
- else if (udc->driver)
+ if (!driver->is_bound) {
+ if (driver->match_existing_only) {
+ pr_warn("%s: couldn't find an available UDC or it's busy\n",
+ driver->function);
ret = -EBUSY;
- else
- goto found;
- } else {
- list_for_each_entry(iter, &udc_list, list) {
- /* For now we take the first one */
- if (iter->driver)
- continue;
- udc = iter;
- goto found;
+ } else {
+ pr_info("%s: couldn't find an available UDC\n",
+ driver->function);
+ ret = 0;
}
}
-
- if (!driver->match_existing_only) {
- list_add_tail(&driver->pending, &gadget_driver_pending_list);
- pr_info("couldn't find an available UDC - added [%s] to list of pending drivers\n",
- driver->function);
- ret = 0;
- }
-
mutex_unlock(&udc_lock);
+
if (ret)
- pr_warn("couldn't find an available UDC or it's busy: %d\n", ret);
- return ret;
-found:
- ret = udc_bind_to_driver(udc, driver);
- mutex_unlock(&udc_lock);
+ driver_unregister(&driver->driver);
return ret;
}
-EXPORT_SYMBOL_GPL(usb_gadget_probe_driver);
+EXPORT_SYMBOL_GPL(usb_gadget_register_driver_owner);
int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
{
- struct usb_udc *udc = NULL;
- int ret = -ENODEV;
-
if (!driver || !driver->unbind)
return -EINVAL;
- mutex_lock(&udc_lock);
- list_for_each_entry(udc, &udc_list, list) {
- if (udc->driver == driver) {
- usb_gadget_remove_driver(udc);
- usb_gadget_set_state(udc->gadget,
- USB_STATE_NOTATTACHED);
-
- /* Maybe there is someone waiting for this UDC? */
- check_pending_gadget_drivers(udc);
- /*
- * For now we ignore bind errors as probably it's
- * not a valid reason to fail other's gadget unbind
- */
- ret = 0;
- break;
- }
- }
-
- if (ret) {
- list_del(&driver->pending);
- ret = 0;
- }
- mutex_unlock(&udc_lock);
- return ret;
+ driver_unregister(&driver->driver);
+ return 0;
}
EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver);
return 0;
}
+static struct bus_type gadget_bus_type = {
+ .name = "gadget",
+ .probe = gadget_bind_driver,
+ .remove = gadget_unbind_driver,
+ .match = gadget_match_driver,
+};
+
static int __init usb_udc_init(void)
{
+ int rc;
+
udc_class = class_create(THIS_MODULE, "udc");
if (IS_ERR(udc_class)) {
pr_err("failed to create udc class --> %ld\n",
}
udc_class->dev_uevent = usb_udc_uevent;
- return 0;
+
+ rc = bus_register(&gadget_bus_type);
+ if (rc)
+ class_destroy(udc_class);
+ return rc;
}
subsys_initcall(usb_udc_init);
static void __exit usb_udc_exit(void)
{
+ bus_unregister(&gadget_bus_type);
class_destroy(udc_class);
}
module_exit(usb_udc_exit);
module_param(dma_ep, ushort, 0644);
/*
- * dma_mode: net2272 dma mode setting (see LOCCTL1 definiton):
+ * dma_mode: net2272 dma mode setting (see LOCCTL1 definition):
* mode 0 == Slow DREQ mode
* mode 1 == Fast DREQ mode
* mode 2 == Burst mode
/*
* enable_suspend: When enabled, the driver will respond to
* USB suspend requests by powering down the NET2272. Otherwise,
- * USB suspend requests will be ignored. This is acceptible for
+ * USB suspend requests will be ignored. This is acceptable for
* self-powered devices. For bus powered devices set this to 1.
*/
static ushort enable_suspend = 0;
| (1 << LOCAL_OUT_ZLP)
| (1 << BUFFER_FLUSH));
- /* fifo size is handled seperately */
+ /* fifo size is handled separately */
}
static int net2272_disable(struct usb_ep *_ep)
static inline void
queue_dma(struct net2280_ep *ep, struct net2280_request *req, int valid)
{
- struct net2280_dma *end;
- dma_addr_t tmp;
-
/* swap new dummy for old, link; fill and maybe activate */
- end = ep->dummy;
- ep->dummy = req->td;
- req->td = end;
-
- tmp = ep->td_dma;
- ep->td_dma = req->td_dma;
- req->td_dma = tmp;
+ swap(ep->dummy, req->td);
+ swap(ep->td_dma, req->td_dma);
- end->dmadesc = cpu_to_le32 (ep->td_dma);
+ req->td->dmadesc = cpu_to_le32 (ep->td_dma);
fill_dma_desc(ep, req, valid);
}
if (!udc->ep0_in) {
stat = 0;
/* read next OUT packet of request, maybe
- * reactiviting the fifo; stall on errors.
+ * reactivating the fifo; stall on errors.
*/
stat = read_fifo(ep0, req);
if (!req || stat < 0) {
if (udc->dc_clk) {
if (udc->clk_requested)
omap_udc_enable_clock(0);
+ clk_unprepare(udc->hhc_clk);
+ clk_unprepare(udc->dc_clk);
clk_put(udc->hhc_clk);
clk_put(udc->dc_clk);
}
hhc_clk = clk_get(&pdev->dev, "usb_hhc_ck");
BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
/* can't use omap_udc_enable_clock yet */
- clk_enable(dc_clk);
- clk_enable(hhc_clk);
+ clk_prepare_enable(dc_clk);
+ clk_prepare_enable(hhc_clk);
udelay(100);
}
hhc_clk = clk_get(&pdev->dev, "l3_ocpi_ck");
BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
/* can't use omap_udc_enable_clock yet */
- clk_enable(dc_clk);
- clk_enable(hhc_clk);
+ clk_prepare_enable(dc_clk);
+ clk_prepare_enable(hhc_clk);
udelay(100);
}
usb_put_phy(xceiv);
if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
- clk_disable(hhc_clk);
- clk_disable(dc_clk);
+ clk_disable_unprepare(hhc_clk);
+ clk_disable_unprepare(dc_clk);
clk_put(hhc_clk);
clk_put(dc_clk);
}
* @addr: usb endpoint number
* @config: configuration in which this endpoint is active
* @interface: interface in which this endpoint is active
- * @alternate: altsetting in which this endpoitn is active
+ * @alternate: altsetting in which this endpoint is active
* @fifo_size: max packet size in the endpoint fifo
* @type: endpoint type (bulk, iso, int, ...)
* @udccsr_value: save register of UDCCSR0 for suspend/resume
/**
* struct s3c_hsudc - Driver's abstraction of the device controller.
* @gadget: Instance of usb_gadget which is referenced by gadget driver.
- * @driver: Reference to currenty active gadget driver.
+ * @driver: Reference to currently active gadget driver.
* @dev: The device reference used by probe function.
* @lock: Lock to synchronize the usage of Endpoints (EP's are indexed).
* @regs: Remapped base address of controller's register space.
}
/** s3c_hsudc_handle_ep0_intr - Handle endpoint 0 interrupt.
- * @hsudc: Device controller on which endpoint 0 interrupt has occured.
+ * @hsudc: Device controller on which endpoint 0 interrupt has occurred.
*
* Handle endpoint 0 interrupt when it occurs. EP0 interrupt could occur
* when a stall handshake is sent to host or data is sent/received on
return 0;
}
- /* Halt DMA for this endpiont. */
+ /* Halt DMA for this endpoint. */
if (ep_ctx_read_state(ep->context) == EP_STATE_RUNNING) {
ep_pause(xudc, ep->index);
ep_wait_for_inactive(xudc, ep->index);
}
/*
- * Compliacne suite appears to be violating polling LFPS tBurst max
+ * Compliance suite appears to be violating polling LFPS tBurst max
* of 1.4us. Send 1.45us instead.
*/
val = xudc_readl(xudc, SSPX_CORE_CNT32);
dev_dbg(udc->dev, "read %s, %d bytes%s req %p %d/%d\n",
ep->ep_usb.name, count, is_short ? "/S" : "", req,
req->usb_req.actual, req->usb_req.length);
- bufferspace -= count;
+
/* Completion */
if ((req->usb_req.actual == req->usb_req.length) || is_short) {
if (udc->dma_enabled && req->usb_req.length)
__raw_writel(val, base + reg);
}
-static inline u32 ehci_read(void __iomem *base, u32 reg)
-{
- return __raw_readl(base + reg);
-}
-
/* configure so an HC device and id are always provided */
/* always called with process context; sleeping is OK */
.pm = pm_ptr(&ehci_platform_pm_ops),
.of_match_table = vt8500_ehci_ids,
.acpi_match_table = ACPI_PTR(ehci_acpi_match),
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
}
};
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe);
/*
* buffer gets wrapped in one or more qtds;
token |= (1 /* "in" */ << 8); /*This is IN stage*/
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, 0);
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe);
qtd_fill(ehci, qtd, buf, len, token, maxpacket);
* There are cases when the host controller fails to enable the port due to,
* for example, insufficient power that can be supplied to the device from
* the USB bus. In those cases, the messages printed here are not helpful.
+ *
+ * Return: Always return 0
*/
static int ehci_xilinx_port_handed_over(struct usb_hcd *hcd, int portnum)
{
dev_warn(hcd->self.controller,
"Maybe your device is not a high speed device?\n");
dev_warn(hcd->self.controller,
- "The USB host controller does not support full speed "
- "nor low speed devices\n");
+ "The USB host controller does not support full speed nor low speed devices\n");
dev_warn(hcd->self.controller,
- "You can reconfigure the host controller to have "
- "full speed support\n");
+ "You can reconfigure the host controller to have full speed support\n");
}
return 0;
* host controller. Because the Xilinx USB host controller can be configured
* as HS only or HS/FS only, it checks the configuration in the device tree
* entry, and sets an appropriate value for hcd->has_tt.
+ *
+ * Return: zero on success, negative error code otherwise
*/
static int ehci_hcd_xilinx_of_probe(struct platform_device *op)
{
*
* Remove the hcd structure, and release resources that has been requested
* during probe.
+ *
+ * Return: Always return 0
*/
static int ehci_hcd_xilinx_of_remove(struct platform_device *op)
{
size++;
else if ((urb->transfer_flags & URB_ZERO_PACKET) != 0
&& (urb->transfer_buffer_length
- % usb_maxpacket(urb->dev, pipe,
- usb_pipeout(pipe))) != 0)
+ % usb_maxpacket(urb->dev, pipe)) != 0)
size++;
break;
case PIPE_ISOCHRONOUS:
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe);
/*
* buffer gets wrapped in one or more qtds;
INIT_LIST_HEAD(&ep->schedule);
ep->udev = udev;
ep->epnum = epnum;
- ep->maxpacket = usb_maxpacket(udev, urb->pipe, is_out);
+ ep->maxpacket = usb_maxpacket(udev, urb->pipe);
usb_settoggle(udev, epnum, is_out, 0);
if (type == PIPE_CONTROL) {
ep->load = usb_calc_bus_time(udev->speed,
!is_out,
(type == PIPE_ISOCHRONOUS),
- usb_maxpacket(udev, pipe,
- is_out)) /
+ usb_maxpacket(udev, pipe)) /
1000;
}
hep->hcpriv = ep;
iounmap(isp116x->data_reg);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- release_mem_region(res->start, 2);
+ if (res)
+ release_mem_region(res->start, 2);
iounmap(isp116x->addr_reg);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, 2);
+ if (res)
+ release_mem_region(res->start, 2);
usb_put_hcd(hcd);
return 0;
ep->udev = usb_get_dev(udev);
ep->hep = hep;
ep->epnum = epnum;
- ep->maxpacket = usb_maxpacket(udev, urb->pipe, is_out);
+ ep->maxpacket = usb_maxpacket(udev, urb->pipe);
ep->ptd_offset = -EINVAL;
ep->ptd_index = -EINVAL;
usb_settoggle(udev, epnum, is_out, 0);
ep->interval = urb->interval;
ep->branch = PERIODIC_SIZE;
ep->load = usb_calc_bus_time(udev->speed, !is_out,
- (type == PIPE_ISOCHRONOUS),
- usb_maxpacket(udev, pipe, is_out)) / 1000;
+ type == PIPE_ISOCHRONOUS,
+ usb_maxpacket(udev, pipe)) / 1000;
break;
}
hep->hcpriv = ep;
return MAX3421_HXFR_BULK_OUT(epnum);
}
- max_packet = usb_maxpacket(urb->dev, urb->pipe, 1);
+ max_packet = usb_maxpacket(urb->dev, urb->pipe);
if (max_packet > MAX3421_FIFO_SIZE) {
/*
* USB 2.0 Section 5.3.2 Pipes: packets must be full size
* except for last one.
*/
- max_packet = usb_maxpacket(urb->dev, urb->pipe, 0);
+ max_packet = usb_maxpacket(urb->dev, urb->pipe);
if (max_packet > MAX3421_FIFO_SIZE) {
/*
* We do not support isochronous transfers at this
* max_packet as an indicator that the end of the
* packet has been reached).
*/
- u32 max_packet = usb_maxpacket(urb->dev, urb->pipe, 1);
+ u32 max_packet = usb_maxpacket(urb->dev, urb->pipe);
if (max3421_hcd->curr_len == max_packet)
return 0;
size++;
else if ((urb->transfer_flags & URB_ZERO_PACKET) != 0
&& (urb->transfer_buffer_length
- % usb_maxpacket (urb->dev, pipe,
- usb_pipeout (pipe))) == 0)
+ % usb_maxpacket(urb->dev, pipe)) == 0)
size++;
break;
case PIPE_ISOCHRONOUS: /* number of packets from URB */
goto err_put_hcd;
}
+ retval = clk_prepare(priv->usb_host_ck);
+ if (retval)
+ goto err_put_host_ck;
+
if (!cpu_is_omap15xx())
priv->usb_dc_ck = clk_get(&pdev->dev, "usb_dc_ck");
else
if (IS_ERR(priv->usb_dc_ck)) {
retval = PTR_ERR(priv->usb_dc_ck);
- goto err_put_host_ck;
+ goto err_unprepare_host_ck;
}
+ retval = clk_prepare(priv->usb_dc_ck);
+ if (retval)
+ goto err_put_dc_ck;
+
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "request_mem_region failed\n");
retval = -EBUSY;
- goto err_put_dc_ck;
+ goto err_unprepare_dc_ck;
}
hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
iounmap(hcd->regs);
err2:
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err_unprepare_dc_ck:
+ clk_unprepare(priv->usb_dc_ck);
err_put_dc_ck:
clk_put(priv->usb_dc_ck);
+err_unprepare_host_ck:
+ clk_unprepare(priv->usb_host_ck);
err_put_host_ck:
clk_put(priv->usb_host_ck);
err_put_hcd:
}
iounmap(hcd->regs);
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ clk_unprepare(priv->usb_dc_ck);
clk_put(priv->usb_dc_ck);
+ clk_unprepare(priv->usb_host_ck);
clk_put(priv->usb_host_ck);
usb_put_hcd(hcd);
return 0;
.name = "ohci-platform",
.pm = &ohci_platform_pm_ops,
.of_match_table = ohci_platform_ids,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
}
};
#include <linux/of_irq.h>
#include <linux/of_platform.h>
-#include <asm/prom.h>
-
-
static int
ohci_ppc_of_start(struct usb_hcd *hcd)
{
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */
- maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe);
/*
* buffer gets wrapped in one or more qtds;
is_input = usb_pipein(urb->pipe);
type = usb_pipetype(urb->pipe);
- maxp = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ maxp = usb_maxpacket(urb->dev, urb->pipe);
/* Compute interrupt scheduling parameters just once, and save.
* - allowing for high bandwidth, how many nsec/uframe are used?
}
}
+ spin_unlock_irq(&oxu->lock);
/* turn off now-idle HC */
del_timer_sync(&oxu->watchdog);
+ spin_lock_irq(&oxu->lock);
ehci_halt(oxu);
hcd->state = HC_STATE_SUSPENDED;
/*
* Get the platform resources
*/
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(&pdev->dev,
- "no IRQ! Check %s setup!\n", dev_name(&pdev->dev));
- return -ENODEV;
- }
- irq = res->start;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
dev_dbg(&pdev->dev, "IRQ resource %d\n", irq);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
td->pipe = hep->hcpriv;
td->urb = urb;
td->address = get_urb_to_r8a66597_addr(r8a66597, urb);
- td->maxpacket = usb_maxpacket(urb->dev, urb->pipe,
- !usb_pipein(urb->pipe));
+ td->maxpacket = usb_maxpacket(urb->dev, urb->pipe);
if (usb_pipecontrol(urb->pipe))
td->type = USB_PID_SETUP;
else if (usb_pipein(urb->pipe))
INIT_LIST_HEAD(&ep->schedule);
ep->udev = udev;
ep->epnum = epnum;
- ep->maxpacket = usb_maxpacket(udev, urb->pipe, is_out);
+ ep->maxpacket = usb_maxpacket(udev, urb->pipe);
ep->defctrl = SL11H_HCTLMASK_ARM | SL11H_HCTLMASK_ENABLE;
usb_settoggle(udev, epnum, is_out, 0);
if (type == PIPE_ISOCHRONOUS)
ep->defctrl |= SL11H_HCTLMASK_ISOCH;
ep->load = usb_calc_bus_time(udev->speed, !is_out,
- (type == PIPE_ISOCHRONOUS),
- usb_maxpacket(udev, pipe, is_out))
+ type == PIPE_ISOCHRONOUS,
+ usb_maxpacket(udev, pipe))
/ 1000;
break;
}
u16 test_mode, u16 wIndex, unsigned long *flags)
__must_hold(&xhci->lock)
{
+ struct usb_hcd *usb3_hcd = xhci_get_usb3_hcd(xhci);
int i, retval;
/* Disable all Device Slots */
xhci_dbg(xhci, "Disable all port (PP = 0)\n");
/* Power off USB3 ports*/
for (i = 0; i < xhci->usb3_rhub.num_ports; i++)
- xhci_set_port_power(xhci, xhci->shared_hcd, i, false, flags);
+ xhci_set_port_power(xhci, usb3_hcd, i, false, flags);
/* Power off USB2 ports*/
for (i = 0; i < xhci->usb2_rhub.num_ports; i++)
xhci_set_port_power(xhci, xhci->main_hcd, i, false, flags);
/***************** Device context manipulation *************************/
-static void xhci_init_endpoint_timer(struct xhci_hcd *xhci,
- struct xhci_virt_ep *ep)
-{
- timer_setup(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog,
- 0);
- ep->xhci = xhci;
-}
-
static void xhci_free_tt_info(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev,
int slot_id)
xhci_dbg(xhci, "Slot %d input ctx = 0x%llx (dma)\n", slot_id,
(unsigned long long)dev->in_ctx->dma);
- /* Initialize the cancellation list and watchdog timers for each ep */
+ /* Initialize the cancellation and bandwidth list for each ep */
for (i = 0; i < 31; i++) {
dev->eps[i].ep_index = i;
dev->eps[i].vdev = dev;
- xhci_init_endpoint_timer(xhci, &dev->eps[i]);
+ dev->eps[i].xhci = xhci;
INIT_LIST_HEAD(&dev->eps[i].cancelled_td_list);
INIT_LIST_HEAD(&dev->eps[i].bw_endpoint_list);
}
struct usb_hcd *hcd;
if (udev->speed >= USB_SPEED_SUPER)
- hcd = xhci->shared_hcd;
+ hcd = xhci_get_usb3_hcd(xhci);
else
hcd = xhci->main_hcd;
xhci->usb2_rhub.num_ports = USB_MAXCHILDREN;
}
- /*
- * Note we could have all USB 3.0 ports, or all USB 2.0 ports.
- * Not sure how the USB core will handle a hub with no ports...
- */
+ if (!xhci->usb2_rhub.num_ports)
+ xhci_info(xhci, "USB2 root hub has no ports\n");
+
+ if (!xhci->usb3_rhub.num_ports)
+ xhci_info(xhci, "USB3 root hub has no ports\n");
xhci_create_rhub_port_array(xhci, &xhci->usb2_rhub, flags);
xhci_create_rhub_port_array(xhci, &xhci->usb3_rhub, flags);
#define PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI 0x9a13
#define PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI 0x1138
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI 0x461e
+#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI 0x464e
#define PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI 0x51ed
#define PCI_DEVICE_ID_AMD_RENOIR_XHCI 0x1639
pdev->revision == 0x0) {
xhci->quirks |= XHCI_RESET_EP_QUIRK;
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "QUIRK: Fresco Logic xHC needs configure"
- " endpoint cmd after reset endpoint");
+ "XHCI_RESET_EP_QUIRK for this evaluation HW is deprecated");
}
if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK &&
pdev->revision == 0x4) {
pdev->device == PCI_DEVICE_ID_INTEL_TIGER_LAKE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_MAPLE_RIDGE_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_N_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_ALDER_LAKE_PCH_XHCI))
xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW;
struct device *sysdev, *tmpdev;
struct xhci_hcd *xhci;
struct resource *res;
- struct usb_hcd *hcd;
+ struct usb_hcd *hcd, *usb3_hcd;
int ret;
int irq;
struct xhci_plat_priv *priv = NULL;
xhci = hcd_to_xhci(hcd);
+ xhci->allow_single_roothub = 1;
+
/*
* Not all platforms have clks so it is not an error if the
* clock do not exist.
device_set_wakeup_capable(&pdev->dev, true);
xhci->main_hcd = hcd;
- xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev,
- dev_name(&pdev->dev), hcd);
- if (!xhci->shared_hcd) {
- ret = -ENOMEM;
- goto disable_clk;
- }
/* imod_interval is the interrupt moderation value in nanoseconds. */
xhci->imod_interval = 40000;
if (IS_ERR(hcd->usb_phy)) {
ret = PTR_ERR(hcd->usb_phy);
if (ret == -EPROBE_DEFER)
- goto put_usb3_hcd;
+ goto disable_clk;
hcd->usb_phy = NULL;
} else {
ret = usb_phy_init(hcd->usb_phy);
if (ret)
- goto put_usb3_hcd;
+ goto disable_clk;
}
hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
- xhci->shared_hcd->tpl_support = hcd->tpl_support;
+
if (priv && (priv->quirks & XHCI_SKIP_PHY_INIT))
hcd->skip_phy_initialization = 1;
if (ret)
goto disable_usb_phy;
- if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
- xhci->shared_hcd->can_do_streams = 1;
+ if (!xhci_has_one_roothub(xhci)) {
+ xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev,
+ dev_name(&pdev->dev), hcd);
+ if (!xhci->shared_hcd) {
+ ret = -ENOMEM;
+ goto dealloc_usb2_hcd;
+ }
- ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
- if (ret)
- goto dealloc_usb2_hcd;
+ xhci->shared_hcd->tpl_support = hcd->tpl_support;
+ }
+
+ usb3_hcd = xhci_get_usb3_hcd(xhci);
+ if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ usb3_hcd->can_do_streams = 1;
+
+ if (xhci->shared_hcd) {
+ ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
+ if (ret)
+ goto put_usb3_hcd;
+ }
device_enable_async_suspend(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
return 0;
+put_usb3_hcd:
+ usb_put_hcd(xhci->shared_hcd);
+
dealloc_usb2_hcd:
usb_remove_hcd(hcd);
disable_usb_phy:
usb_phy_shutdown(hcd->usb_phy);
-put_usb3_hcd:
- usb_put_hcd(xhci->shared_hcd);
-
disable_clk:
clk_disable_unprepare(xhci->clk);
}
}
-static void xhci_stop_watchdog_timer_in_irq(struct xhci_hcd *xhci,
- struct xhci_virt_ep *ep)
-{
- ep->ep_state &= ~EP_STOP_CMD_PENDING;
- /* Can't del_timer_sync in interrupt */
- del_timer(&ep->stop_cmd_timer);
-}
-
/*
* Must be called with xhci->lock held in interrupt context,
* releases and re-acquires xhci->lock
reset_type);
if (err)
break;
- xhci_stop_watchdog_timer_in_irq(xhci, ep);
+ ep->ep_state &= ~EP_STOP_CMD_PENDING;
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);
-
- mod_timer(&ep->stop_cmd_timer,
- jiffies + XHCI_STOP_EP_CMD_TIMEOUT * HZ);
+ if (!command) {
+ ep->ep_state &= ~EP_STOP_CMD_PENDING;
+ return;
+ }
xhci_queue_stop_endpoint(xhci, command, slot_id, ep_index, 0);
xhci_ring_cmd_db(xhci);
break;
}
}
+
/* will queue a set TR deq if stopped on a cancelled, uncleared TD */
xhci_invalidate_cancelled_tds(ep);
- xhci_stop_watchdog_timer_in_irq(xhci, ep);
+ ep->ep_state &= ~EP_STOP_CMD_PENDING;
/* Otherwise ring the doorbell(s) to restart queued transfers */
xhci_giveback_invalidated_tds(ep);
usb_hc_died(xhci_to_hcd(xhci));
}
-/* Watchdog timer function for when a stop endpoint command fails to complete.
- * In this case, we assume the host controller is broken or dying or dead. The
- * host may still be completing some other events, so we have to be careful to
- * let the event ring handler and the URB dequeueing/enqueueing functions know
- * through xhci->state.
- *
- * The timer may also fire if the host takes a very long time to respond to the
- * command, and the stop endpoint command completion handler cannot delete the
- * timer before the timer function is called. Another endpoint cancellation may
- * sneak in before the timer function can grab the lock, and that may queue
- * another stop endpoint command and add the timer back. So we cannot use a
- * simple flag to say whether there is a pending stop endpoint command for a
- * particular endpoint.
- *
- * Instead we use a combination of that flag and checking if a new timer is
- * pending.
- */
-void xhci_stop_endpoint_command_watchdog(struct timer_list *t)
-{
- struct xhci_virt_ep *ep = from_timer(ep, t, stop_cmd_timer);
- struct xhci_hcd *xhci = ep->xhci;
- unsigned long flags;
- u32 usbsts;
- char str[XHCI_MSG_MAX];
-
- spin_lock_irqsave(&xhci->lock, flags);
-
- /* bail out if cmd completed but raced with stop ep watchdog timer.*/
- if (!(ep->ep_state & EP_STOP_CMD_PENDING) ||
- timer_pending(&ep->stop_cmd_timer)) {
- spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_dbg(xhci, "Stop EP timer raced with cmd completion, exit");
- return;
- }
- 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(str, usbsts));
-
- ep->ep_state &= ~EP_STOP_CMD_PENDING;
-
- xhci_halt(xhci);
-
- /*
- * handle a stop endpoint cmd timeout as if host died (-ENODEV).
- * In the future we could distinguish between -ENODEV and -ETIMEDOUT
- * and try to recover a -ETIMEDOUT with a host controller reset
- */
- xhci_hc_died(xhci);
-
- spin_unlock_irqrestore(&xhci->lock, flags);
- xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
- "xHCI host controller is dead.");
-}
-
static void update_ring_for_set_deq_completion(struct xhci_hcd *xhci,
struct xhci_virt_device *dev,
struct xhci_ring *ep_ring,
/* Cleanup cancelled TDs as ep is stopped. May queue a Set TR Deq cmd */
xhci_invalidate_cancelled_tds(ep);
- if (xhci->quirks & XHCI_RESET_EP_QUIRK)
- xhci_dbg(xhci, "Note: Removed workaround to queue config ep for this hw");
/* Clear our internal halted state */
ep->ep_state &= ~EP_HALTED;
struct xhci_input_control_ctx *ctrl_ctx;
struct xhci_ep_ctx *ep_ctx;
unsigned int ep_index;
- unsigned int ep_state;
- u32 add_flags, drop_flags;
+ u32 add_flags;
/*
- * Configure endpoint commands can come from the USB core
- * configuration or alt setting changes, or because the HW
- * needed an extra configure endpoint command after a reset
- * endpoint command or streams were being configured.
- * If the command was for a halted endpoint, the xHCI driver
- * is not waiting on the configure endpoint command.
+ * Configure endpoint commands can come from the USB core configuration
+ * or alt setting changes, or when streams were being configured.
*/
+
virt_dev = xhci->devs[slot_id];
if (!virt_dev)
return;
}
add_flags = le32_to_cpu(ctrl_ctx->add_flags);
- drop_flags = le32_to_cpu(ctrl_ctx->drop_flags);
+
/* Input ctx add_flags are the endpoint index plus one */
ep_index = xhci_last_valid_endpoint(add_flags) - 1;
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, ep_index);
trace_xhci_handle_cmd_config_ep(ep_ctx);
- /* A usb_set_interface() call directly after clearing a halted
- * condition may race on this quirky hardware. Not worth
- * worrying about, since this is prototype hardware. Not sure
- * if this will work for streams, but streams support was
- * untested on this prototype.
- */
- if (xhci->quirks & XHCI_RESET_EP_QUIRK &&
- ep_index != (unsigned int) -1 &&
- add_flags - SLOT_FLAG == drop_flags) {
- ep_state = virt_dev->eps[ep_index].ep_state;
- if (!(ep_state & EP_HALTED))
- return;
- xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "Completed config ep cmd - "
- "last ep index = %d, state = %d",
- ep_index, ep_state);
- /* Clear internal halted state and restart ring(s) */
- virt_dev->eps[ep_index].ep_state &= ~EP_HALTED;
- ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
- return;
- }
return;
}
void xhci_handle_command_timeout(struct work_struct *work)
{
- struct xhci_hcd *xhci;
- unsigned long flags;
- u64 hw_ring_state;
+ struct xhci_hcd *xhci;
+ unsigned long flags;
+ char str[XHCI_MSG_MAX];
+ u64 hw_ring_state;
+ u32 cmd_field3;
+ u32 usbsts;
xhci = container_of(to_delayed_work(work), struct xhci_hcd, cmd_timer);
spin_unlock_irqrestore(&xhci->lock, flags);
return;
}
+
+ cmd_field3 = le32_to_cpu(xhci->current_cmd->command_trb->generic.field[3]);
+ usbsts = readl(&xhci->op_regs->status);
+ xhci_dbg(xhci, "Command timeout, USBSTS:%s\n", xhci_decode_usbsts(str, usbsts));
+
+ /* Bail out and tear down xhci if a stop endpoint command failed */
+ if (TRB_FIELD_TO_TYPE(cmd_field3) == TRB_STOP_RING) {
+ struct xhci_virt_ep *ep;
+
+ xhci_warn(xhci, "xHCI host not responding to stop endpoint command\n");
+
+ ep = xhci_get_virt_ep(xhci, TRB_TO_SLOT_ID(cmd_field3),
+ TRB_TO_EP_INDEX(cmd_field3));
+ if (ep)
+ ep->ep_state &= ~EP_STOP_CMD_PENDING;
+
+ xhci_halt(xhci);
+ xhci_hc_died(xhci);
+ goto time_out_completed;
+ }
+
/* mark this command to be cancelled */
xhci->current_cmd->status = COMP_COMMAND_ABORTED;
xhci = from_timer(xhci, t, comp_mode_recovery_timer);
rhub = &xhci->usb3_rhub;
+ hcd = rhub->hcd;
+
+ if (!hcd)
+ return;
for (i = 0; i < rhub->num_ports; i++) {
temp = readl(rhub->ports[i]->addr);
i + 1);
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"Attempting compliance mode recovery");
- hcd = xhci->shared_hcd;
if (hcd->state == HC_STATE_SUSPENDED)
usb_hcd_resume_root_hub(hcd);
xhci_halt(xhci);
return -ENODEV;
}
- xhci->shared_hcd->state = HC_STATE_RUNNING;
xhci->cmd_ring_state = CMD_RING_STATE_RUNNING;
if (xhci->quirks & XHCI_NEC_HOST)
xhci_ring_cmd_db(xhci);
- xhci_dbg_trace(xhci, trace_xhci_dbg_init,
- "Finished xhci_run for USB3 roothub");
return 0;
}
xhci_free_command(xhci, command);
}
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
- "Finished xhci_run for USB2 roothub");
+ "Finished %s for main hcd", __func__);
xhci_create_dbc_dev(xhci);
xhci_debugfs_init(xhci);
+ if (xhci_has_one_roothub(xhci))
+ return xhci_run_finished(xhci);
+
+ set_bit(HCD_FLAG_DEFER_RH_REGISTER, &hcd->flags);
+
return 0;
}
EXPORT_SYMBOL_GPL(xhci_run);
return 0;
if (hcd->state != HC_STATE_SUSPENDED ||
- xhci->shared_hcd->state != HC_STATE_SUSPENDED)
+ (xhci->shared_hcd && xhci->shared_hcd->state != HC_STATE_SUSPENDED))
return -EINVAL;
/* Clear root port wake on bits if wakeup not allowed. */
__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);
- del_timer_sync(&xhci->shared_hcd->rh_timer);
+ if (xhci->shared_hcd) {
+ clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
+ del_timer_sync(&xhci->shared_hcd->rh_timer);
+ }
if (xhci->quirks & XHCI_SUSPEND_DELAY)
usleep_range(1000, 1500);
spin_lock_irq(&xhci->lock);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+ if (xhci->shared_hcd)
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
/* step 1: stop endpoint */
/* skipped assuming that port suspend has done */
msleep(100);
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+ if (xhci->shared_hcd)
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
spin_lock_irq(&xhci->lock);
/* Let the USB core know _both_ roothubs lost power. */
usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
- usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
+ if (xhci->shared_hcd)
+ usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
xhci_dbg(xhci, "Stop HCD\n");
xhci_halt(xhci);
xhci_dbg(xhci, "Start the primary HCD\n");
retval = xhci_run(hcd->primary_hcd);
- if (!retval) {
+ if (!retval && secondary_hcd) {
xhci_dbg(xhci, "Start the secondary HCD\n");
retval = xhci_run(secondary_hcd);
}
hcd->state = HC_STATE_SUSPENDED;
- xhci->shared_hcd->state = HC_STATE_SUSPENDED;
+ if (xhci->shared_hcd)
+ xhci->shared_hcd->state = HC_STATE_SUSPENDED;
goto done;
}
}
if (pending_portevent) {
- usb_hcd_resume_root_hub(xhci->shared_hcd);
+ if (xhci->shared_hcd)
+ usb_hcd_resume_root_hub(xhci->shared_hcd);
usb_hcd_resume_root_hub(hcd);
}
}
/* Re-enable port polling. */
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);
+ if (xhci->shared_hcd) {
+ 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);
usb_hcd_poll_rh_status(hcd);
goto done;
}
ep->ep_state |= EP_STOP_CMD_PENDING;
- ep->stop_cmd_timer.expires = jiffies +
- XHCI_STOP_EP_CMD_TIMEOUT * HZ;
- add_timer(&ep->stop_cmd_timer);
xhci_queue_stop_endpoint(xhci, command, urb->dev->slot_id,
ep_index, 0);
xhci_ring_cmd_db(xhci);
trace_xhci_free_dev(slot_ctx);
/* Stop any wayward timer functions (which may grab the lock) */
- for (i = 0; i < 31; i++) {
+ for (i = 0; i < 31; i++)
virt_dev->eps[i].ep_state &= ~EP_STOP_CMD_PENDING;
- del_timer_sync(&virt_dev->eps[i].stop_cmd_timer);
- }
virt_dev->udev = NULL;
xhci_disable_slot(xhci, udev->slot_id);
xhci_free_virt_device(xhci, udev->slot_id);
struct usb_device *parent;
unsigned int num_hubs;
- if (state == USB3_LPM_U2)
- return 0;
-
/* Don't enable U1 if the device is on a 2nd tier hub or lower. */
for (parent = udev->parent, num_hubs = 0; parent->parent;
parent = parent->parent)
if (num_hubs < 2)
return 0;
- dev_dbg(&udev->dev, "Disabling U1 link state for device"
+ dev_dbg(&udev->dev, "Disabling U1/U2 link state for device"
" below second-tier hub.\n");
dev_dbg(&udev->dev, "Plug device into first-tier hub "
"to decrease power consumption.\n");
return timeout;
}
- if (xhci_check_tier_policy(xhci, udev, state) < 0)
- return timeout;
-
/* Gather some information about the currently installed configuration
* and alternate interface settings.
*/
!xhci->devs[udev->slot_id])
return USB3_LPM_DISABLED;
+ if (xhci_check_tier_policy(xhci, udev, state) < 0)
+ return USB3_LPM_DISABLED;
+
hub_encoded_timeout = xhci_calculate_lpm_timeout(hcd, udev, state);
mel = calculate_max_exit_latency(udev, state, hub_encoded_timeout);
if (mel < 0) {
return readl(&xhci->run_regs->microframe_index) >> 3;
}
+static void xhci_hcd_init_usb2_data(struct xhci_hcd *xhci, struct usb_hcd *hcd)
+{
+ xhci->usb2_rhub.hcd = hcd;
+ hcd->speed = HCD_USB2;
+ hcd->self.root_hub->speed = USB_SPEED_HIGH;
+ /*
+ * USB 2.0 roothub under xHCI has an integrated TT,
+ * (rate matching hub) as opposed to having an OHCI/UHCI
+ * companion controller.
+ */
+ hcd->has_tt = 1;
+}
+
+static void xhci_hcd_init_usb3_data(struct xhci_hcd *xhci, struct usb_hcd *hcd)
+{
+ unsigned int minor_rev;
+
+ /*
+ * Early xHCI 1.1 spec did not mention USB 3.1 capable hosts
+ * should return 0x31 for sbrn, or that the minor revision
+ * is a two digit BCD containig minor and sub-minor numbers.
+ * This was later clarified in xHCI 1.2.
+ *
+ * Some USB 3.1 capable hosts therefore have sbrn 0x30, and
+ * minor revision set to 0x1 instead of 0x10.
+ */
+ if (xhci->usb3_rhub.min_rev == 0x1)
+ minor_rev = 1;
+ else
+ minor_rev = xhci->usb3_rhub.min_rev / 0x10;
+
+ switch (minor_rev) {
+ case 2:
+ hcd->speed = HCD_USB32;
+ hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
+ hcd->self.root_hub->rx_lanes = 2;
+ hcd->self.root_hub->tx_lanes = 2;
+ hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x2;
+ break;
+ case 1:
+ hcd->speed = HCD_USB31;
+ hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
+ hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x1;
+ break;
+ }
+ xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n",
+ minor_rev, minor_rev ? "Enhanced " : "");
+
+ xhci->usb3_rhub.hcd = hcd;
+}
+
int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
{
struct xhci_hcd *xhci;
* quirks
*/
struct device *dev = hcd->self.sysdev;
- unsigned int minor_rev;
int retval;
/* Accept arbitrarily long scatter-gather lists */
xhci = hcd_to_xhci(hcd);
- if (usb_hcd_is_primary_hcd(hcd)) {
- xhci->main_hcd = hcd;
- xhci->usb2_rhub.hcd = hcd;
- /* Mark the first roothub as being USB 2.0.
- * The xHCI driver will register the USB 3.0 roothub.
- */
- hcd->speed = HCD_USB2;
- hcd->self.root_hub->speed = USB_SPEED_HIGH;
- /*
- * USB 2.0 roothub under xHCI has an integrated TT,
- * (rate matching hub) as opposed to having an OHCI/UHCI
- * companion controller.
- */
- hcd->has_tt = 1;
- } else {
- /*
- * Early xHCI 1.1 spec did not mention USB 3.1 capable hosts
- * should return 0x31 for sbrn, or that the minor revision
- * is a two digit BCD containig minor and sub-minor numbers.
- * This was later clarified in xHCI 1.2.
- *
- * Some USB 3.1 capable hosts therefore have sbrn 0x30, and
- * minor revision set to 0x1 instead of 0x10.
- */
- if (xhci->usb3_rhub.min_rev == 0x1)
- minor_rev = 1;
- else
- minor_rev = xhci->usb3_rhub.min_rev / 0x10;
-
- switch (minor_rev) {
- case 2:
- hcd->speed = HCD_USB32;
- hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
- hcd->self.root_hub->rx_lanes = 2;
- hcd->self.root_hub->tx_lanes = 2;
- hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x2;
- break;
- case 1:
- hcd->speed = HCD_USB31;
- hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
- hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x1;
- break;
- }
- xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n",
- minor_rev,
- minor_rev ? "Enhanced " : "");
-
- xhci->usb3_rhub.hcd = hcd;
- /* xHCI private pointer was set in xhci_pci_probe for the second
- * registered roothub.
- */
+ if (!usb_hcd_is_primary_hcd(hcd)) {
+ xhci_hcd_init_usb3_data(xhci, hcd);
return 0;
}
mutex_init(&xhci->mutex);
+ xhci->main_hcd = hcd;
xhci->cap_regs = hcd->regs;
xhci->op_regs = hcd->regs +
HC_LENGTH(readl(&xhci->cap_regs->hc_capbase));
return retval;
xhci_dbg(xhci, "Called HCD init\n");
+ if (xhci_hcd_is_usb3(hcd))
+ xhci_hcd_init_usb3_data(xhci, hcd);
+ else
+ xhci_hcd_init_usb2_data(xhci, hcd);
+
xhci_info(xhci, "hcc params 0x%08x hci version 0x%x quirks 0x%016llx\n",
xhci->hcc_params, xhci->hci_version, xhci->quirks);
#define EP_CLEARING_TT (1 << 8)
/* ---- Related to URB cancellation ---- */
struct list_head cancelled_td_list;
- /* Watchdog timer for stop endpoint command to cancel URBs */
- struct timer_list stop_cmd_timer;
struct xhci_hcd *xhci;
/* Dequeue pointer and dequeue segment for a submitted Set TR Dequeue
* command. We'll need to update the ring's dequeue segment and dequeue
#define XHCI_STATE_REMOVING (1 << 2)
unsigned long long quirks;
#define XHCI_LINK_TRB_QUIRK BIT_ULL(0)
-#define XHCI_RESET_EP_QUIRK BIT_ULL(1)
+#define XHCI_RESET_EP_QUIRK BIT_ULL(1) /* Deprecated */
#define XHCI_NEC_HOST BIT_ULL(2)
#define XHCI_AMD_PLL_FIX BIT_ULL(3)
#define XHCI_SPURIOUS_SUCCESS BIT_ULL(4)
unsigned hw_lpm_support:1;
/* Broken Suspend flag for SNPS Suspend resume issue */
unsigned broken_suspend:1;
+ /* Indicates that omitting hcd is supported if root hub has no ports */
+ unsigned allow_single_roothub:1;
/* cached usb2 extened protocol capabilites */
u32 *ext_caps;
unsigned int num_ext_caps;
return xhci->main_hcd;
}
+static inline struct usb_hcd *xhci_get_usb3_hcd(struct xhci_hcd *xhci)
+{
+ if (xhci->shared_hcd)
+ return xhci->shared_hcd;
+
+ if (!xhci->usb2_rhub.num_ports)
+ return xhci->main_hcd;
+
+ return NULL;
+}
+
+static inline bool xhci_hcd_is_usb3(struct usb_hcd *hcd)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+
+ return hcd == xhci_get_usb3_hcd(xhci);
+}
+
+static inline bool xhci_has_one_roothub(struct xhci_hcd *xhci)
+{
+ return xhci->allow_single_roothub &&
+ (!xhci->usb2_rhub.num_ports || !xhci->usb3_rhub.num_ports);
+}
+
#define xhci_dbg(xhci, fmt, args...) \
dev_dbg(xhci_to_hcd(xhci)->self.controller , fmt , ## args)
#define xhci_err(xhci, fmt, args...) \
[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),
+ /* Make sure the array is sized properly during compilation */
+ [HC_FIELD_MAX] = {},
};
static const struct reg_field isp1763_hc_reg_fields[] = {
[HW_DM_PULLDOWN_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 2, 2),
[HW_DP_PULLDOWN_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 1, 1),
[HW_DP_PULLUP_CLEAR] = REG_FIELD(ISP1763_HC_OTG_CTRL_CLEAR, 0, 0),
+ /* Make sure the array is sized properly during compilation */
+ [HC_FIELD_MAX] = {},
};
static const struct regmap_range isp1763_hc_volatile_ranges[] = {
[DC_CHIP_ID_HIGH] = REG_FIELD(ISP176x_DC_CHIPID, 16, 31),
[DC_CHIP_ID_LOW] = REG_FIELD(ISP176x_DC_CHIPID, 0, 15),
[DC_SCRATCH] = REG_FIELD(ISP176x_DC_SCRATCH, 0, 15),
+ /* Make sure the array is sized properly during compilation */
+ [DC_FIELD_MAX] = {},
};
static const struct regmap_range isp1763_dc_volatile_ranges[] = {
[DC_CHIP_ID_HIGH] = REG_FIELD(ISP1763_DC_CHIPID_HIGH, 0, 15),
[DC_CHIP_ID_LOW] = REG_FIELD(ISP1763_DC_CHIPID_LOW, 0, 15),
[DC_SCRATCH] = REG_FIELD(ISP1763_DC_SCRATCH, 0, 15),
+ /* Make sure the array is sized properly during compilation */
+ [DC_FIELD_MAX] = {},
};
static const struct regmap_config isp1763_dc_regmap_conf = {
memset(ptd, 0, sizeof(*ptd));
/* according to 3.6.2, max packet len can not be > 0x400 */
- maxpacket = usb_maxpacket(qtd->urb->dev, qtd->urb->pipe,
- usb_pipeout(qtd->urb->pipe));
+ maxpacket = usb_maxpacket(qtd->urb->dev, qtd->urb->pipe);
multi = 1 + ((maxpacket >> 11) & 0x3);
maxpacket &= 0x7ff;
packet_type = IN_PID;
}
- maxpacketsize = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ maxpacketsize = usb_maxpacket(urb->dev, urb->pipe);
/*
* buffer gets wrapped in one or more qtds;
command->length = 0x8007;
command->address = (toggle_bits << 6) | (ep_number << 2)
| (address << 0);
- command->width = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ command->width = usb_maxpacket(urb->dev, urb->pipe);
command->follows = 8;
command->value = 0;
command->buffer = urb->setup_packet;
1);
command->address = (toggle_bits << 6) | (ep_number << 2)
| (address << 0);
- command->width = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ command->width = usb_maxpacket(urb->dev, urb->pipe);
command->follows = 0;
command->value = 0;
command->buffer = NULL;
command->length = 0x0000;
command->address = (toggle_bits << 6) | (ep_number << 2)
| (address << 0);
- command->width = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ command->width = usb_maxpacket(urb->dev, urb->pipe);
command->follows = 0;
command->value = 0;
command->buffer = NULL;
command->header = 0x81 | (ed << 5);
command->address = (toggle_bits << 6) | (ep_number << 2)
| (address << 0);
- command->width = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ command->width = usb_maxpacket(urb->dev, urb->pipe);
command->follows = min_t(u32, 1024,
urb->transfer_buffer_length -
urb->actual_length);
1);
command->address = (toggle_bits << 6) | (ep_number << 2)
| (address << 0);
- command->width = usb_maxpacket(urb->dev, urb->pipe,
- usb_pipeout(urb->pipe));
+ command->width = usb_maxpacket(urb->dev, urb->pipe);
command->follows = 0;
command->value = 0;
command->buffer = NULL;
INIT_WORK(&lvs->rh_work, lvs_rh_work);
pipe = usb_rcvintpipe(hdev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(hdev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(hdev, pipe);
usb_fill_int_urb(lvs->urb, hdev, pipe, &lvs->buffer[0], maxp,
lvs_rh_irq, lvs, endpoint->bInterval);
#define DMA_INTR_STATUS_MSK GENMASK(7, 0)
#define DMA_INTR_UNMASK_SET_MSK GENMASK(31, 24)
+#define MTK_MUSB_CLKS_NUM 3
+
struct mtk_glue {
struct device *dev;
struct musb *musb;
struct phy *phy;
struct usb_phy *xceiv;
enum phy_mode phy_mode;
- struct clk *main;
- struct clk *mcu;
- struct clk *univpll;
+ struct clk_bulk_data clks[MTK_MUSB_CLKS_NUM];
enum usb_role role;
struct usb_role_switch *role_sw;
};
{
struct device *dev = glue->dev;
- glue->main = devm_clk_get(dev, "main");
- if (IS_ERR(glue->main)) {
- dev_err(dev, "fail to get main clock\n");
- return PTR_ERR(glue->main);
- }
-
- glue->mcu = devm_clk_get(dev, "mcu");
- if (IS_ERR(glue->mcu)) {
- dev_err(dev, "fail to get mcu clock\n");
- return PTR_ERR(glue->mcu);
- }
-
- glue->univpll = devm_clk_get(dev, "univpll");
- if (IS_ERR(glue->univpll)) {
- dev_err(dev, "fail to get univpll clock\n");
- return PTR_ERR(glue->univpll);
- }
-
- return 0;
-}
+ glue->clks[0].id = "main";
+ glue->clks[1].id = "mcu";
+ glue->clks[2].id = "univpll";
-static int mtk_musb_clks_enable(struct mtk_glue *glue)
-{
- int ret;
-
- ret = clk_prepare_enable(glue->main);
- if (ret) {
- dev_err(glue->dev, "failed to enable main clock\n");
- goto err_main_clk;
- }
-
- ret = clk_prepare_enable(glue->mcu);
- if (ret) {
- dev_err(glue->dev, "failed to enable mcu clock\n");
- goto err_mcu_clk;
- }
-
- ret = clk_prepare_enable(glue->univpll);
- if (ret) {
- dev_err(glue->dev, "failed to enable univpll clock\n");
- goto err_univpll_clk;
- }
-
- return 0;
-
-err_univpll_clk:
- clk_disable_unprepare(glue->mcu);
-err_mcu_clk:
- clk_disable_unprepare(glue->main);
-err_main_clk:
- return ret;
-}
-
-static void mtk_musb_clks_disable(struct mtk_glue *glue)
-{
- clk_disable_unprepare(glue->univpll);
- clk_disable_unprepare(glue->mcu);
- clk_disable_unprepare(glue->main);
+ return devm_clk_bulk_get(dev, MTK_MUSB_CLKS_NUM, glue->clks);
}
static int mtk_otg_switch_set(struct mtk_glue *glue, enum usb_role role)
mtk_otg_switch_exit(glue);
phy_power_off(glue->phy);
phy_exit(glue->phy);
- mtk_musb_clks_disable(glue);
+ clk_bulk_disable_unprepare(MTK_MUSB_CLKS_NUM, glue->clks);
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);
- ret = mtk_musb_clks_enable(glue);
+ ret = clk_bulk_prepare_enable(MTK_MUSB_CLKS_NUM, glue->clks);
if (ret)
goto err_enable_clk;
return 0;
err_device_register:
- mtk_musb_clks_disable(glue);
+ clk_bulk_disable_unprepare(MTK_MUSB_CLKS_NUM, glue->clks);
err_enable_clk:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
control_node = of_parse_phandle(np, "ctrl-module", 0);
if (control_node) {
control_pdev = of_find_device_by_node(control_node);
+ of_node_put(control_node);
if (!control_pdev) {
dev_err(&pdev->dev, "Failed to get control device\n");
ret = -EINVAL;
us->extra = kzalloc(sizeof(struct alauda_info), GFP_NOIO);
if (!us->extra)
- return USB_STOR_TRANSPORT_ERROR;
+ return -ENOMEM;
info = (struct alauda_info *) us->extra;
us->extra_destructor = alauda_info_destructor;
altsetting->endpoint[0].desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK);
- return USB_STOR_TRANSPORT_GOOD;
+ return 0;
}
static int alauda_transport(struct scsi_cmnd *srb, struct us_data *us)
* Allocates (if necessary) and initializes the driver structure.
*
* RETURNS:
- * ISD status code
+ * error status code
*/
static int isd200_init_info(struct us_data *us)
{
info = kzalloc(sizeof(struct isd200_info), GFP_KERNEL);
if (!info)
- return ISD200_ERROR;
+ return -ENOMEM;
info->id = kzalloc(ATA_ID_WORDS * 2, GFP_KERNEL);
info->RegsBuf = kmalloc(sizeof(info->ATARegs), GFP_KERNEL);
if (!info->id || !info->RegsBuf || !info->srb.sense_buffer) {
isd200_free_info_ptrs(info);
kfree(info);
- return ISD200_ERROR;
+ return -ENOMEM;
}
us->extra = info;
us->extra_destructor = isd200_free_info_ptrs;
- return ISD200_GOOD;
+ return 0;
}
/**************************************************************************
static int rio_karma_init(struct us_data *us)
{
- int ret = 0;
struct karma_data *data = kzalloc(sizeof(struct karma_data), GFP_NOIO);
if (!data)
- goto out;
+ return -ENOMEM;
data->recv = kmalloc(RIO_RECV_LEN, GFP_NOIO);
if (!data->recv) {
kfree(data);
- goto out;
+ return -ENOMEM;
}
us->extra = data;
us->extra_destructor = rio_karma_destructor;
- ret = rio_karma_send_command(RIO_ENTER_STORAGE, us);
- data->in_storage = (ret == 0);
-out:
- return ret;
+ if (rio_karma_send_command(RIO_ENTER_STORAGE, us))
+ return -EIO;
+
+ data->in_storage = 1;
+
+ return 0;
}
static struct scsi_host_template karma_host_template;
return -ENODEV;
pipe = usb_rcvintpipe(udev, endpoint->bEndpointAddress);
- maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(udev, pipe);
maxp = min(maxp, ONETOUCH_PKT_LEN);
onetouch = kzalloc(sizeof(struct usb_onetouch), GFP_KERNEL);
us->extra = kzalloc(sizeof(struct usbat_info), GFP_NOIO);
if (!us->extra)
- return 1;
+ return -ENOMEM;
info = (struct usbat_info *) (us->extra);
USBAT_UIO_OE1 | USBAT_UIO_OE0,
USBAT_UIO_EPAD | USBAT_UIO_1);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 1\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 2\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 3\n");
rc = usbat_select_and_test_registers(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 4\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 5\n");
/* Enable peripheral control signals and card detect */
rc = usbat_device_enable_cdt(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 6\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 7\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 8\n");
rc = usbat_select_and_test_registers(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 9\n");
/* At this point, we need to detect which device we are using */
if (usbat_set_transport(us, info, devicetype))
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 10\n");
rc = usbat_set_shuttle_features(us, (USBAT_FEAT_ETEN | USBAT_FEAT_ET2 | USBAT_FEAT_ET1),
0x00, 0x88, 0x08, subcountH, subcountL);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 11\n");
- return USB_STOR_TRANSPORT_GOOD;
+ return 0;
}
/*
usb_stor_dbg(us, "xfer %u bytes\n", length);
/* calculate the max packet size */
- maxp = usb_maxpacket(us->pusb_dev, pipe, usb_pipeout(pipe));
+ maxp = usb_maxpacket(us->pusb_dev, pipe);
if (maxp > length)
maxp = length;
state.mode = conf;
state.data = data;
- return alt->mux->set(alt->mux, &state);
+ return typec_mux_set(alt->mux, &state);
}
static int typec_altmode_set_state(struct typec_altmode *adev,
#include "class.h"
#include "mux.h"
+#define TYPEC_MUX_MAX_DEVS 3
+
+struct typec_switch {
+ struct typec_switch_dev *sw_devs[TYPEC_MUX_MAX_DEVS];
+ unsigned int num_sw_devs;
+};
+
static int switch_fwnode_match(struct device *dev, const void *fwnode)
{
- if (!is_typec_switch(dev))
+ if (!is_typec_switch_dev(dev))
return 0;
return dev_fwnode(dev) == fwnode;
dev = class_find_device(&typec_mux_class, NULL, fwnode,
switch_fwnode_match);
- return dev ? to_typec_switch(dev) : ERR_PTR(-EPROBE_DEFER);
+ return dev ? to_typec_switch_dev(dev) : ERR_PTR(-EPROBE_DEFER);
}
/**
*/
struct typec_switch *fwnode_typec_switch_get(struct fwnode_handle *fwnode)
{
+ struct typec_switch_dev *sw_devs[TYPEC_MUX_MAX_DEVS];
struct typec_switch *sw;
+ int count;
+ int err;
+ int i;
+
+ sw = kzalloc(sizeof(*sw), GFP_KERNEL);
+ if (!sw)
+ return ERR_PTR(-ENOMEM);
+
+ count = fwnode_connection_find_matches(fwnode, "orientation-switch", NULL,
+ typec_switch_match,
+ (void **)sw_devs,
+ ARRAY_SIZE(sw_devs));
+ if (count <= 0) {
+ kfree(sw);
+ return NULL;
+ }
- sw = fwnode_connection_find_match(fwnode, "orientation-switch", NULL,
- typec_switch_match);
- if (!IS_ERR_OR_NULL(sw))
- WARN_ON(!try_module_get(sw->dev.parent->driver->owner));
+ for (i = 0; i < count; i++) {
+ if (IS_ERR(sw_devs[i])) {
+ err = PTR_ERR(sw_devs[i]);
+ goto put_sw_devs;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ WARN_ON(!try_module_get(sw_devs[i]->dev.parent->driver->owner));
+ sw->sw_devs[i] = sw_devs[i];
+ }
+
+ sw->num_sw_devs = count;
return sw;
+
+put_sw_devs:
+ for (i = 0; i < count; i++) {
+ if (!IS_ERR(sw_devs[i]))
+ put_device(&sw_devs[i]->dev);
+ }
+
+ kfree(sw);
+
+ return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(fwnode_typec_switch_get);
*/
void typec_switch_put(struct typec_switch *sw)
{
- if (!IS_ERR_OR_NULL(sw)) {
- module_put(sw->dev.parent->driver->owner);
- put_device(&sw->dev);
+ struct typec_switch_dev *sw_dev;
+ unsigned int i;
+
+ if (IS_ERR_OR_NULL(sw))
+ return;
+
+ for (i = 0; i < sw->num_sw_devs; i++) {
+ sw_dev = sw->sw_devs[i];
+
+ module_put(sw_dev->dev.parent->driver->owner);
+ put_device(&sw_dev->dev);
}
+ kfree(sw);
}
EXPORT_SYMBOL_GPL(typec_switch_put);
static void typec_switch_release(struct device *dev)
{
- kfree(to_typec_switch(dev));
+ kfree(to_typec_switch_dev(dev));
}
const struct device_type typec_switch_dev_type = {
* connector to the USB controllers. USB Type-C plugs can be inserted
* right-side-up or upside-down.
*/
-struct typec_switch *
+struct typec_switch_dev *
typec_switch_register(struct device *parent,
const struct typec_switch_desc *desc)
{
- struct typec_switch *sw;
+ struct typec_switch_dev *sw_dev;
int ret;
if (!desc || !desc->set)
return ERR_PTR(-EINVAL);
- sw = kzalloc(sizeof(*sw), GFP_KERNEL);
- if (!sw)
+ sw_dev = kzalloc(sizeof(*sw_dev), GFP_KERNEL);
+ if (!sw_dev)
return ERR_PTR(-ENOMEM);
- sw->set = desc->set;
+ sw_dev->set = desc->set;
- device_initialize(&sw->dev);
- sw->dev.parent = parent;
- sw->dev.fwnode = desc->fwnode;
- sw->dev.class = &typec_mux_class;
- sw->dev.type = &typec_switch_dev_type;
- sw->dev.driver_data = desc->drvdata;
- dev_set_name(&sw->dev, "%s-switch",
- desc->name ? desc->name : dev_name(parent));
+ device_initialize(&sw_dev->dev);
+ sw_dev->dev.parent = parent;
+ sw_dev->dev.fwnode = desc->fwnode;
+ sw_dev->dev.class = &typec_mux_class;
+ sw_dev->dev.type = &typec_switch_dev_type;
+ sw_dev->dev.driver_data = desc->drvdata;
+ ret = dev_set_name(&sw_dev->dev, "%s-switch", desc->name ? desc->name : dev_name(parent));
+ if (ret) {
+ put_device(&sw_dev->dev);
+ return ERR_PTR(ret);
+ }
- ret = device_add(&sw->dev);
+ ret = device_add(&sw_dev->dev);
if (ret) {
dev_err(parent, "failed to register switch (%d)\n", ret);
- put_device(&sw->dev);
+ put_device(&sw_dev->dev);
return ERR_PTR(ret);
}
- return sw;
+ return sw_dev;
}
EXPORT_SYMBOL_GPL(typec_switch_register);
int typec_switch_set(struct typec_switch *sw,
enum typec_orientation orientation)
{
+ struct typec_switch_dev *sw_dev;
+ unsigned int i;
+ int ret;
+
if (IS_ERR_OR_NULL(sw))
return 0;
- return sw->set(sw, orientation);
+ for (i = 0; i < sw->num_sw_devs; i++) {
+ sw_dev = sw->sw_devs[i];
+
+ ret = sw_dev->set(sw_dev, orientation);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
EXPORT_SYMBOL_GPL(typec_switch_set);
/**
* typec_switch_unregister - Unregister USB Type-C orientation switch
- * @sw: USB Type-C orientation switch
+ * @sw_dev: USB Type-C orientation switch
*
* Unregister switch that was registered with typec_switch_register().
*/
-void typec_switch_unregister(struct typec_switch *sw)
+void typec_switch_unregister(struct typec_switch_dev *sw_dev)
{
- if (!IS_ERR_OR_NULL(sw))
- device_unregister(&sw->dev);
+ if (!IS_ERR_OR_NULL(sw_dev))
+ device_unregister(&sw_dev->dev);
}
EXPORT_SYMBOL_GPL(typec_switch_unregister);
-void typec_switch_set_drvdata(struct typec_switch *sw, void *data)
+void typec_switch_set_drvdata(struct typec_switch_dev *sw_dev, void *data)
{
- dev_set_drvdata(&sw->dev, data);
+ dev_set_drvdata(&sw_dev->dev, data);
}
EXPORT_SYMBOL_GPL(typec_switch_set_drvdata);
-void *typec_switch_get_drvdata(struct typec_switch *sw)
+void *typec_switch_get_drvdata(struct typec_switch_dev *sw_dev)
{
- return dev_get_drvdata(&sw->dev);
+ return dev_get_drvdata(&sw_dev->dev);
}
EXPORT_SYMBOL_GPL(typec_switch_get_drvdata);
/* ------------------------------------------------------------------------- */
+struct typec_mux {
+ struct typec_mux_dev *mux_devs[TYPEC_MUX_MAX_DEVS];
+ unsigned int num_mux_devs;
+};
+
static int mux_fwnode_match(struct device *dev, const void *fwnode)
{
- if (!is_typec_mux(dev))
+ if (!is_typec_mux_dev(dev))
return 0;
return dev_fwnode(dev) == fwnode;
dev = class_find_device(&typec_mux_class, NULL, fwnode,
mux_fwnode_match);
- return dev ? to_typec_mux(dev) : ERR_PTR(-EPROBE_DEFER);
+ return dev ? to_typec_mux_dev(dev) : ERR_PTR(-EPROBE_DEFER);
}
/**
struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode,
const struct typec_altmode_desc *desc)
{
+ struct typec_mux_dev *mux_devs[TYPEC_MUX_MAX_DEVS];
struct typec_mux *mux;
+ int count;
+ int err;
+ int i;
+
+ mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+ if (!mux)
+ return ERR_PTR(-ENOMEM);
+
+ count = fwnode_connection_find_matches(fwnode, "mode-switch",
+ (void *)desc, typec_mux_match,
+ (void **)mux_devs,
+ ARRAY_SIZE(mux_devs));
+ if (count <= 0) {
+ kfree(mux);
+ return NULL;
+ }
- mux = fwnode_connection_find_match(fwnode, "mode-switch", (void *)desc,
- typec_mux_match);
- if (!IS_ERR_OR_NULL(mux))
- WARN_ON(!try_module_get(mux->dev.parent->driver->owner));
+ for (i = 0; i < count; i++) {
+ if (IS_ERR(mux_devs[i])) {
+ err = PTR_ERR(mux_devs[i]);
+ goto put_mux_devs;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ WARN_ON(!try_module_get(mux_devs[i]->dev.parent->driver->owner));
+ mux->mux_devs[i] = mux_devs[i];
+ }
+
+ mux->num_mux_devs = count;
return mux;
+
+put_mux_devs:
+ for (i = 0; i < count; i++) {
+ if (!IS_ERR(mux_devs[i]))
+ put_device(&mux_devs[i]->dev);
+ }
+
+ kfree(mux);
+
+ return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(fwnode_typec_mux_get);
*/
void typec_mux_put(struct typec_mux *mux)
{
- if (!IS_ERR_OR_NULL(mux)) {
- module_put(mux->dev.parent->driver->owner);
- put_device(&mux->dev);
+ struct typec_mux_dev *mux_dev;
+ unsigned int i;
+
+ if (IS_ERR_OR_NULL(mux))
+ return;
+
+ for (i = 0; i < mux->num_mux_devs; i++) {
+ mux_dev = mux->mux_devs[i];
+ module_put(mux_dev->dev.parent->driver->owner);
+ put_device(&mux_dev->dev);
}
+ kfree(mux);
}
EXPORT_SYMBOL_GPL(typec_mux_put);
int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
{
+ struct typec_mux_dev *mux_dev;
+ unsigned int i;
+ int ret;
+
if (IS_ERR_OR_NULL(mux))
return 0;
- return mux->set(mux, state);
+ for (i = 0; i < mux->num_mux_devs; i++) {
+ mux_dev = mux->mux_devs[i];
+
+ ret = mux_dev->set(mux_dev, state);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
EXPORT_SYMBOL_GPL(typec_mux_set);
static void typec_mux_release(struct device *dev)
{
- kfree(to_typec_mux(dev));
+ kfree(to_typec_mux_dev(dev));
}
const struct device_type typec_mux_dev_type = {
* the pins on the connector need to be reconfigured. This function registers
* multiplexer switches routing the pins on the connector.
*/
-struct typec_mux *
+struct typec_mux_dev *
typec_mux_register(struct device *parent, const struct typec_mux_desc *desc)
{
- struct typec_mux *mux;
+ struct typec_mux_dev *mux_dev;
int ret;
if (!desc || !desc->set)
return ERR_PTR(-EINVAL);
- mux = kzalloc(sizeof(*mux), GFP_KERNEL);
- if (!mux)
+ mux_dev = kzalloc(sizeof(*mux_dev), GFP_KERNEL);
+ if (!mux_dev)
return ERR_PTR(-ENOMEM);
- mux->set = desc->set;
+ mux_dev->set = desc->set;
- device_initialize(&mux->dev);
- mux->dev.parent = parent;
- mux->dev.fwnode = desc->fwnode;
- mux->dev.class = &typec_mux_class;
- mux->dev.type = &typec_mux_dev_type;
- mux->dev.driver_data = desc->drvdata;
- dev_set_name(&mux->dev, "%s-mux",
- desc->name ? desc->name : dev_name(parent));
+ device_initialize(&mux_dev->dev);
+ mux_dev->dev.parent = parent;
+ mux_dev->dev.fwnode = desc->fwnode;
+ mux_dev->dev.class = &typec_mux_class;
+ mux_dev->dev.type = &typec_mux_dev_type;
+ mux_dev->dev.driver_data = desc->drvdata;
+ ret = dev_set_name(&mux_dev->dev, "%s-mux", desc->name ? desc->name : dev_name(parent));
+ if (ret) {
+ put_device(&mux_dev->dev);
+ return ERR_PTR(ret);
+ }
- ret = device_add(&mux->dev);
+ ret = device_add(&mux_dev->dev);
if (ret) {
dev_err(parent, "failed to register mux (%d)\n", ret);
- put_device(&mux->dev);
+ put_device(&mux_dev->dev);
return ERR_PTR(ret);
}
- return mux;
+ return mux_dev;
}
EXPORT_SYMBOL_GPL(typec_mux_register);
/**
* typec_mux_unregister - Unregister Multiplexer Switch
- * @mux: USB Type-C Connector Multiplexer/DeMultiplexer
+ * @mux_dev: USB Type-C Connector Multiplexer/DeMultiplexer
*
* Unregister mux that was registered with typec_mux_register().
*/
-void typec_mux_unregister(struct typec_mux *mux)
+void typec_mux_unregister(struct typec_mux_dev *mux_dev)
{
- if (!IS_ERR_OR_NULL(mux))
- device_unregister(&mux->dev);
+ if (!IS_ERR_OR_NULL(mux_dev))
+ device_unregister(&mux_dev->dev);
}
EXPORT_SYMBOL_GPL(typec_mux_unregister);
-void typec_mux_set_drvdata(struct typec_mux *mux, void *data)
+void typec_mux_set_drvdata(struct typec_mux_dev *mux_dev, void *data)
{
- dev_set_drvdata(&mux->dev, data);
+ dev_set_drvdata(&mux_dev->dev, data);
}
EXPORT_SYMBOL_GPL(typec_mux_set_drvdata);
-void *typec_mux_get_drvdata(struct typec_mux *mux)
+void *typec_mux_get_drvdata(struct typec_mux_dev *mux_dev)
{
- return dev_get_drvdata(&mux->dev);
+ return dev_get_drvdata(&mux_dev->dev);
}
EXPORT_SYMBOL_GPL(typec_mux_get_drvdata);
#include <linux/usb/typec_mux.h>
-struct typec_switch {
+struct typec_switch_dev {
struct device dev;
typec_switch_set_fn_t set;
};
-struct typec_mux {
+struct typec_mux_dev {
struct device dev;
typec_mux_set_fn_t set;
};
-#define to_typec_switch(_dev_) container_of(_dev_, struct typec_switch, dev)
-#define to_typec_mux(_dev_) container_of(_dev_, struct typec_mux, dev)
+#define to_typec_switch_dev(_dev_) container_of(_dev_, struct typec_switch_dev, dev)
+#define to_typec_mux_dev(_dev_) container_of(_dev_, struct typec_mux_dev, dev)
extern const struct device_type typec_switch_dev_type;
extern const struct device_type typec_mux_dev_type;
-#define is_typec_switch(dev) ((dev)->type == &typec_switch_dev_type)
-#define is_typec_mux(dev) ((dev)->type == &typec_mux_dev_type)
+#define is_typec_switch_dev(dev) ((dev)->type == &typec_switch_dev_type)
+#define is_typec_mux_dev(dev) ((dev)->type == &typec_mux_dev_type)
#endif /* __USB_TYPEC_MUX__ */
menu "USB Type-C Multiplexer/DeMultiplexer Switch support"
+config TYPEC_MUX_FSA4480
+ tristate "ON Semi FSA4480 Analog Audio Switch driver"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ Driver for the ON Semiconductor FSA4480 Analog Audio Switch, which
+ provides support for muxing analog audio and sideband signals on a
+ common USB Type-C connector.
+ If compiled as a module, the module will be named fsa4480.
+
config TYPEC_MUX_PI3USB30532
tristate "Pericom PI3USB30532 Type-C cross switch driver"
depends on I2C
# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_TYPEC_MUX_FSA4480) += fsa4480.o
obj-$(CONFIG_TYPEC_MUX_PI3USB30532) += pi3usb30532.o
obj-$(CONFIG_TYPEC_MUX_INTEL_PMC) += intel_pmc_mux.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2021-2022 Linaro Ltd.
+ * Copyright (C) 2018-2020 The Linux Foundation
+ */
+
+#include <linux/bits.h>
+#include <linux/i2c.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/usb/typec_dp.h>
+#include <linux/usb/typec_mux.h>
+
+#define FSA4480_SWITCH_ENABLE 0x04
+#define FSA4480_SWITCH_SELECT 0x05
+#define FSA4480_SWITCH_STATUS1 0x07
+#define FSA4480_SLOW_L 0x08
+#define FSA4480_SLOW_R 0x09
+#define FSA4480_SLOW_MIC 0x0a
+#define FSA4480_SLOW_SENSE 0x0b
+#define FSA4480_SLOW_GND 0x0c
+#define FSA4480_DELAY_L_R 0x0d
+#define FSA4480_DELAY_L_MIC 0x0e
+#define FSA4480_DELAY_L_SENSE 0x0f
+#define FSA4480_DELAY_L_AGND 0x10
+#define FSA4480_RESET 0x1e
+#define FSA4480_MAX_REGISTER 0x1f
+
+#define FSA4480_ENABLE_DEVICE BIT(7)
+#define FSA4480_ENABLE_SBU GENMASK(6, 5)
+#define FSA4480_ENABLE_USB GENMASK(4, 3)
+
+#define FSA4480_SEL_SBU_REVERSE GENMASK(6, 5)
+#define FSA4480_SEL_USB GENMASK(4, 3)
+
+struct fsa4480 {
+ struct i2c_client *client;
+
+ /* used to serialize concurrent change requests */
+ struct mutex lock;
+
+ struct typec_switch_dev *sw;
+ struct typec_mux_dev *mux;
+
+ struct regmap *regmap;
+
+ u8 cur_enable;
+ u8 cur_select;
+};
+
+static const struct regmap_config fsa4480_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = FSA4480_MAX_REGISTER,
+ /* Accesses only done under fsa4480->lock */
+ .disable_locking = true,
+};
+
+static int fsa4480_switch_set(struct typec_switch_dev *sw,
+ enum typec_orientation orientation)
+{
+ struct fsa4480 *fsa = typec_switch_get_drvdata(sw);
+ u8 new_sel;
+
+ mutex_lock(&fsa->lock);
+ new_sel = FSA4480_SEL_USB;
+ if (orientation == TYPEC_ORIENTATION_REVERSE)
+ new_sel |= FSA4480_SEL_SBU_REVERSE;
+
+ if (new_sel == fsa->cur_select)
+ goto out_unlock;
+
+ if (fsa->cur_enable & FSA4480_ENABLE_SBU) {
+ /* Disable SBU output while re-configuring the switch */
+ regmap_write(fsa->regmap, FSA4480_SWITCH_ENABLE,
+ fsa->cur_enable & ~FSA4480_ENABLE_SBU);
+
+ /* 35us to allow the SBU switch to turn off */
+ usleep_range(35, 1000);
+ }
+
+ regmap_write(fsa->regmap, FSA4480_SWITCH_SELECT, new_sel);
+ fsa->cur_select = new_sel;
+
+ if (fsa->cur_enable & FSA4480_ENABLE_SBU) {
+ regmap_write(fsa->regmap, FSA4480_SWITCH_ENABLE, fsa->cur_enable);
+
+ /* 15us to allow the SBU switch to turn on again */
+ usleep_range(15, 1000);
+ }
+
+out_unlock:
+ mutex_unlock(&fsa->lock);
+
+ return 0;
+}
+
+static int fsa4480_mux_set(struct typec_mux_dev *mux, struct typec_mux_state *state)
+{
+ struct fsa4480 *fsa = typec_mux_get_drvdata(mux);
+ u8 new_enable;
+
+ mutex_lock(&fsa->lock);
+
+ new_enable = FSA4480_ENABLE_DEVICE | FSA4480_ENABLE_USB;
+ if (state->mode >= TYPEC_DP_STATE_A)
+ new_enable |= FSA4480_ENABLE_SBU;
+
+ if (new_enable == fsa->cur_enable)
+ goto out_unlock;
+
+ regmap_write(fsa->regmap, FSA4480_SWITCH_ENABLE, new_enable);
+ fsa->cur_enable = new_enable;
+
+ if (new_enable & FSA4480_ENABLE_SBU) {
+ /* 15us to allow the SBU switch to turn off */
+ usleep_range(15, 1000);
+ }
+
+out_unlock:
+ mutex_unlock(&fsa->lock);
+
+ return 0;
+}
+
+static int fsa4480_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct typec_switch_desc sw_desc = { };
+ struct typec_mux_desc mux_desc = { };
+ struct fsa4480 *fsa;
+
+ fsa = devm_kzalloc(dev, sizeof(*fsa), GFP_KERNEL);
+ if (!fsa)
+ return -ENOMEM;
+
+ fsa->client = client;
+ mutex_init(&fsa->lock);
+
+ fsa->regmap = devm_regmap_init_i2c(client, &fsa4480_regmap_config);
+ if (IS_ERR(fsa->regmap))
+ return dev_err_probe(dev, PTR_ERR(fsa->regmap), "failed to initialize regmap\n");
+
+ fsa->cur_enable = FSA4480_ENABLE_DEVICE | FSA4480_ENABLE_USB;
+ fsa->cur_select = FSA4480_SEL_USB;
+
+ /* set default settings */
+ regmap_write(fsa->regmap, FSA4480_SLOW_L, 0x00);
+ regmap_write(fsa->regmap, FSA4480_SLOW_R, 0x00);
+ regmap_write(fsa->regmap, FSA4480_SLOW_MIC, 0x00);
+ regmap_write(fsa->regmap, FSA4480_SLOW_SENSE, 0x00);
+ regmap_write(fsa->regmap, FSA4480_SLOW_GND, 0x00);
+ regmap_write(fsa->regmap, FSA4480_DELAY_L_R, 0x00);
+ regmap_write(fsa->regmap, FSA4480_DELAY_L_MIC, 0x00);
+ regmap_write(fsa->regmap, FSA4480_DELAY_L_SENSE, 0x00);
+ regmap_write(fsa->regmap, FSA4480_DELAY_L_AGND, 0x09);
+ regmap_write(fsa->regmap, FSA4480_SWITCH_SELECT, fsa->cur_select);
+ regmap_write(fsa->regmap, FSA4480_SWITCH_ENABLE, fsa->cur_enable);
+
+ sw_desc.drvdata = fsa;
+ sw_desc.fwnode = dev_fwnode(dev);
+ sw_desc.set = fsa4480_switch_set;
+
+ fsa->sw = typec_switch_register(dev, &sw_desc);
+ if (IS_ERR(fsa->sw))
+ return dev_err_probe(dev, PTR_ERR(fsa->sw), "failed to register typec switch\n");
+
+ mux_desc.drvdata = fsa;
+ mux_desc.fwnode = dev_fwnode(dev);
+ mux_desc.set = fsa4480_mux_set;
+
+ fsa->mux = typec_mux_register(dev, &mux_desc);
+ if (IS_ERR(fsa->mux)) {
+ typec_switch_unregister(fsa->sw);
+ return dev_err_probe(dev, PTR_ERR(fsa->mux), "failed to register typec mux\n");
+ }
+
+ i2c_set_clientdata(client, fsa);
+ return 0;
+}
+
+static int fsa4480_remove(struct i2c_client *client)
+{
+ struct fsa4480 *fsa = i2c_get_clientdata(client);
+
+ typec_mux_unregister(fsa->mux);
+ typec_switch_unregister(fsa->sw);
+
+ return 0;
+}
+
+static const struct i2c_device_id fsa4480_table[] = {
+ { "fsa4480" },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, fsa4480_table);
+
+static const struct of_device_id fsa4480_of_table[] = {
+ { .compatible = "fcs,fsa4480" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, fsa4480_of_table);
+
+static struct i2c_driver fsa4480_driver = {
+ .driver = {
+ .name = "fsa4480",
+ .of_match_table = fsa4480_of_table,
+ },
+ .probe_new = fsa4480_probe,
+ .remove = fsa4480_remove,
+ .id_table = fsa4480_table,
+};
+module_i2c_driver(fsa4480_driver);
+
+MODULE_DESCRIPTION("ON Semiconductor FSA4480 driver");
+MODULE_LICENSE("GPL v2");
int num;
u32 iom_status;
struct pmc_usb *pmc;
- struct typec_mux *typec_mux;
- struct typec_switch *typec_sw;
+ struct typec_mux_dev *typec_mux;
+ struct typec_switch_dev *typec_sw;
struct usb_role_switch *usb_sw;
enum typec_orientation orientation;
return port->orientation - 1;
}
-static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
+static int pmc_usb_send_command(struct intel_scu_ipc_dev *ipc, u8 *msg, u32 len)
{
u8 response[4];
u8 status_res;
* Status can be checked from the response message if the
* function intel_scu_ipc_dev_command succeeds.
*/
- ret = intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg,
+ ret = intel_scu_ipc_dev_command(ipc, PMC_USBC_CMD, 0, msg,
len, response, sizeof(response));
if (ret)
return 0;
}
+static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
+{
+ int retry_count = 3;
+ int ret;
+
+ /*
+ * If PMC is busy then retry the command once again
+ */
+ while (retry_count--) {
+ ret = pmc_usb_send_command(port->pmc->ipc, msg, len);
+ if (ret != -EBUSY)
+ break;
+ }
+
+ return ret;
+}
+
static int
pmc_usb_mux_dp_hpd(struct pmc_usb_port *port, struct typec_displayport_data *dp)
{
}
static int
-pmc_usb_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
+pmc_usb_mux_set(struct typec_mux_dev *mux, struct typec_mux_state *state)
{
struct pmc_usb_port *port = typec_mux_get_drvdata(mux);
return -EOPNOTSUPP;
}
-static int pmc_usb_set_orientation(struct typec_switch *sw,
+static int pmc_usb_set_orientation(struct typec_switch_dev *sw,
enum typec_orientation orientation)
{
struct pmc_usb_port *port = typec_switch_get_drvdata(sw);
struct pi3usb30532 {
struct i2c_client *client;
struct mutex lock; /* protects the cached conf register */
- struct typec_switch *sw;
- struct typec_mux *mux;
+ struct typec_switch_dev *sw;
+ struct typec_mux_dev *mux;
u8 conf;
};
return 0;
}
-static int pi3usb30532_sw_set(struct typec_switch *sw,
+static int pi3usb30532_sw_set(struct typec_switch_dev *sw,
enum typec_orientation orientation)
{
struct pi3usb30532 *pi = typec_switch_get_drvdata(sw);
}
static int
-pi3usb30532_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
+pi3usb30532_mux_set(struct typec_mux_dev *mux, struct typec_mux_state *state)
{
struct pi3usb30532 *pi = typec_mux_get_drvdata(mux);
u8 new_conf;
struct power_supply *psy;
struct power_supply_desc psy_desc;
enum power_supply_usb_type usb_type;
+
+ u16 pwr_status;
};
static enum power_supply_property tps6598x_psy_props[] = {
{
struct typec_partner_desc desc;
enum typec_pwr_opmode mode;
- u16 pwr_status;
int ret;
if (tps->partner)
return 0;
- ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
- if (ret < 0)
- return ret;
-
- mode = TPS_POWER_STATUS_PWROPMODE(pwr_status);
+ mode = TPS_POWER_STATUS_PWROPMODE(tps->pwr_status);
desc.usb_pd = mode == TYPEC_PWR_MODE_PD;
desc.accessory = TYPEC_ACCESSORY_NONE; /* XXX: handle accessories */
dev_err(tps->dev, "failed to read power status: %d\n", ret);
return false;
}
+ tps->pwr_status = pwr_status;
trace_tps6598x_power_status(pwr_status);
return true;
static int tps6598x_psy_get_online(struct tps6598x *tps,
union power_supply_propval *val)
{
- int ret;
- u16 pwr_status;
-
- ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
- if (ret < 0)
- return ret;
-
- if (TPS_POWER_STATUS_CONNECTION(pwr_status) &&
- TPS_POWER_STATUS_SOURCESINK(pwr_status)) {
+ if (TPS_POWER_STATUS_CONNECTION(tps->pwr_status) &&
+ TPS_POWER_STATUS_SOURCESINK(tps->pwr_status)) {
val->intval = 1;
} else {
val->intval = 0;
union power_supply_propval *val)
{
struct tps6598x *tps = power_supply_get_drvdata(psy);
- u16 pwr_status;
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_USB_TYPE:
- ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
- if (ret < 0)
- return ret;
- if (TPS_POWER_STATUS_PWROPMODE(pwr_status) == TYPEC_PWR_MODE_PD)
+ if (TPS_POWER_STATUS_PWROPMODE(tps->pwr_status) == TYPEC_PWR_MODE_PD)
val->intval = POWER_SUPPLY_USB_TYPE_PD;
else
val->intval = POWER_SUPPLY_USB_TYPE_C;
fwnode_handle_put(fwnode);
if (status & TPS_STATUS_PLUG_PRESENT) {
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &tps->pwr_status);
+ if (ret < 0) {
+ dev_err(tps->dev, "failed to read power status: %d\n", ret);
+ goto err_role_put;
+ }
ret = tps6598x_connect(tps, status);
if (ret)
dev_err(&client->dev, "failed to register partner\n");
con->num = index + 1;
con->ucsi = ucsi;
+ cap->fwnode = ucsi_find_fwnode(con);
+ con->usb_role_sw = fwnode_usb_role_switch_get(cap->fwnode);
+ if (IS_ERR(con->usb_role_sw)) {
+ dev_err(ucsi->dev, "con%d: failed to get usb role switch\n",
+ con->num);
+ return PTR_ERR(con->usb_role_sw);
+ }
+
/* Delay other interactions with the con until registration is complete */
mutex_lock(&con->lock);
if (con->cap.op_mode & UCSI_CONCAP_OPMODE_DEBUG_ACCESSORY)
*accessory = TYPEC_ACCESSORY_DEBUG;
- cap->fwnode = ucsi_find_fwnode(con);
cap->driver_data = con;
cap->ops = &ucsi_ops;
ucsi_port_psy_changed(con);
}
- con->usb_role_sw = fwnode_usb_role_switch_get(cap->fwnode);
- if (IS_ERR(con->usb_role_sw)) {
- dev_err(ucsi->dev, "con%d: failed to get usb role switch\n",
- con->num);
- con->usb_role_sw = NULL;
- }
-
/* Only notify USB controller if partner supports USB data */
if (!(UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) & UCSI_CONSTAT_PARTNER_FLAG_USB))
u_role = USB_ROLE_NONE;
return ret;
}
+static void ucsi_unregister_connectors(struct ucsi *ucsi)
+{
+ struct ucsi_connector *con;
+ int i;
+
+ if (!ucsi->connector)
+ return;
+
+ for (i = 0; i < ucsi->cap.num_connectors; i++) {
+ con = &ucsi->connector[i];
+
+ if (!con->wq)
+ break;
+
+ cancel_work_sync(&con->work);
+ ucsi_unregister_partner(con);
+ ucsi_unregister_altmodes(con, UCSI_RECIPIENT_CON);
+ ucsi_unregister_port_psy(con);
+ destroy_workqueue(con->wq);
+ typec_unregister_port(con->port);
+ }
+
+ kfree(ucsi->connector);
+ ucsi->connector = NULL;
+}
+
/**
* ucsi_init - Initialize UCSI interface
* @ucsi: UCSI to be initialized
*/
static int ucsi_init(struct ucsi *ucsi)
{
- struct ucsi_connector *con;
u64 command;
int ret;
int i;
}
/* Allocate the connectors. Released in ucsi_unregister() */
- ucsi->connector = kcalloc(ucsi->cap.num_connectors + 1,
+ ucsi->connector = kcalloc(ucsi->cap.num_connectors,
sizeof(*ucsi->connector), GFP_KERNEL);
if (!ucsi->connector) {
ret = -ENOMEM;
return 0;
err_unregister:
- for (con = ucsi->connector; con->port; con++) {
- ucsi_unregister_partner(con);
- ucsi_unregister_altmodes(con, UCSI_RECIPIENT_CON);
- ucsi_unregister_port_psy(con);
- if (con->wq)
- destroy_workqueue(con->wq);
- typec_unregister_port(con->port);
- con->port = NULL;
- }
+ ucsi_unregister_connectors(ucsi);
err_reset:
memset(&ucsi->cap, 0, sizeof(ucsi->cap));
static void ucsi_init_work(struct work_struct *work)
{
- struct ucsi *ucsi = container_of(work, struct ucsi, work);
+ struct ucsi *ucsi = container_of(work, struct ucsi, work.work);
int ret;
ret = ucsi_init(ucsi);
if (ret)
dev_err(ucsi->dev, "PPM init failed (%d)\n", ret);
+
+ if (ret == -EPROBE_DEFER) {
+ if (ucsi->work_count++ > UCSI_ROLE_SWITCH_WAIT_COUNT)
+ return;
+
+ queue_delayed_work(system_long_wq, &ucsi->work,
+ UCSI_ROLE_SWITCH_INTERVAL);
+ }
}
/**
if (!ucsi)
return ERR_PTR(-ENOMEM);
- INIT_WORK(&ucsi->work, ucsi_init_work);
+ INIT_DELAYED_WORK(&ucsi->work, ucsi_init_work);
mutex_init(&ucsi->ppm_lock);
ucsi->dev = dev;
ucsi->ops = ops;
if (!ucsi->version)
return -ENODEV;
- queue_work(system_long_wq, &ucsi->work);
+ queue_delayed_work(system_long_wq, &ucsi->work, 0);
return 0;
}
void ucsi_unregister(struct ucsi *ucsi)
{
u64 cmd = UCSI_SET_NOTIFICATION_ENABLE;
- int i;
/* Make sure that we are not in the middle of driver initialization */
- cancel_work_sync(&ucsi->work);
+ cancel_delayed_work_sync(&ucsi->work);
/* Disable notifications */
ucsi->ops->async_write(ucsi, UCSI_CONTROL, &cmd, sizeof(cmd));
- for (i = 0; i < ucsi->cap.num_connectors; i++) {
- cancel_work_sync(&ucsi->connector[i].work);
- ucsi_unregister_partner(&ucsi->connector[i]);
- ucsi_unregister_altmodes(&ucsi->connector[i],
- UCSI_RECIPIENT_CON);
- ucsi_unregister_port_psy(&ucsi->connector[i]);
- if (ucsi->connector[i].wq)
- destroy_workqueue(ucsi->connector[i].wq);
- typec_unregister_port(ucsi->connector[i].port);
- }
-
- kfree(ucsi->connector);
+ ucsi_unregister_connectors(ucsi);
}
EXPORT_SYMBOL_GPL(ucsi_unregister);
struct ucsi_capability cap;
struct ucsi_connector *connector;
- struct work_struct work;
+ struct delayed_work work;
+ int work_count;
+#define UCSI_ROLE_SWITCH_RETRY_PER_HZ 10
+#define UCSI_ROLE_SWITCH_INTERVAL (HZ / UCSI_ROLE_SWITCH_RETRY_PER_HZ)
+#define UCSI_ROLE_SWITCH_WAIT_COUNT (10 * UCSI_ROLE_SWITCH_RETRY_PER_HZ)
/* PPM Communication lock */
struct mutex ppm_lock;
err_port:
dev_set_drvdata(&udev->dev, NULL);
- usb_put_dev(udev);
/* we already have busid_priv, just lock busid_lock */
spin_lock(&busid_priv->busid_lock);
put_busid_priv(busid_priv);
sdev_free:
+ usb_put_dev(udev);
stub_device_free(sdev);
return rc;
req = (struct usb_ctrlrequest *) urb->setup_packet;
config = le16_to_cpu(req->wValue);
+ usb_lock_device(sdev->udev);
err = usb_set_configuration(sdev->udev, config);
+ usb_unlock_device(sdev->udev);
if (err && err != -ENODEV)
dev_err(&sdev->udev->dev, "can't set config #%d, error %d\n",
config, err);
return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match);
}
+int fwnode_connection_find_matches(struct fwnode_handle *fwnode,
+ const char *con_id, void *data,
+ devcon_match_fn_t match,
+ void **matches, unsigned int matches_len);
+
/* -------------------------------------------------------------------------- */
/* Software fwnode support - when HW description is incomplete or missing */
* @local_property_block_len: Length of the @local_property_block in dwords
* @remote_properties: Properties exported by the remote domain
* @remote_property_block_gen: Generation of @remote_properties
- * @get_uuid_work: Work used to retrieve @remote_uuid
- * @uuid_retries: Number of times left @remote_uuid is requested before
- * giving up
- * @get_properties_work: Work used to get remote domain properties
- * @properties_retries: Number of times left to read properties
+ * @state: Next XDomain discovery state to run
+ * @state_work: Work used to run the next state
+ * @state_retries: Number of retries remain for the state
* @properties_changed_work: Work used to notify the remote domain that
* our properties have changed
* @properties_changed_retries: Number of times left to send properties
* changed notification
+ * @bonding_possible: True if lane bonding is possible on local side
+ * @target_link_width: Target link width from the remote host
* @link: Root switch link the remote domain is connected (ICM only)
* @depth: Depth in the chain the remote domain is connected (ICM only)
*
u32 local_property_block_len;
struct tb_property_dir *remote_properties;
u32 remote_property_block_gen;
- struct delayed_work get_uuid_work;
- int uuid_retries;
- struct delayed_work get_properties_work;
- int properties_retries;
+ int state;
+ struct delayed_work state_work;
+ int state_retries;
struct delayed_work properties_changed_work;
int properties_changed_retries;
+ bool bonding_possible;
+ u8 target_link_width;
u8 link;
u8 depth;
};
return eps[usb_pipeendpoint(pipe)];
}
-/*-------------------------------------------------------------------------*/
-
-static inline __u16
-usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
+static inline u16 usb_maxpacket(struct usb_device *udev, int pipe)
{
- struct usb_host_endpoint *ep;
- unsigned epnum = usb_pipeendpoint(pipe);
+ struct usb_host_endpoint *ep = usb_pipe_endpoint(udev, pipe);
- if (is_out) {
- WARN_ON(usb_pipein(pipe));
- ep = udev->ep_out[epnum];
- } else {
- WARN_ON(usb_pipeout(pipe));
- ep = udev->ep_in[epnum];
- }
if (!ep)
return 0;
return usb_endpoint_maxp(&ep->desc);
}
-/* ----------------------------------------------------------------------- */
-
/* translate USB error codes to codes user space understands */
static inline int usb_translate_errors(int error_code)
{
* @lpm_capable: If the gadget max_speed is FULL or HIGH, this flag
* indicates that it supports LPM as per the LPM ECN & errata.
* @irq: the interrupt number for device controller.
+ * @id_number: a unique ID number for ensuring that gadget names are distinct
*
* Gadgets have a mostly-portable "gadget driver" implementing device
* functions, handling all usb configurations and interfaces. Gadget
unsigned connected:1;
unsigned lpm_capable:1;
int irq;
+ int id_number;
};
#define work_to_gadget(w) (container_of((w), struct usb_gadget, work))
* @driver: Driver model state for this driver.
* @udc_name: A name of UDC this driver should be bound to. If udc_name is NULL,
* this driver will be bound to any available UDC.
- * @pending: UDC core private data used for deferred probe of this driver.
- * @match_existing_only: If udc is not found, return an error and don't add this
- * gadget driver to list of pending driver
+ * @match_existing_only: If udc is not found, return an error and fail
+ * the driver registration
+ * @is_bound: Allow a driver to be bound to only one gadget
*
* Devices are disabled till a gadget driver successfully bind()s, which
* means the driver will handle setup() requests needed to enumerate (and
struct device_driver driver;
char *udc_name;
- struct list_head pending;
unsigned match_existing_only:1;
+ bool is_bound:1;
};
/* driver modules register and unregister, as usual.
* these calls must be made in a context that can sleep.
*
- * these will usually be implemented directly by the hardware-dependent
- * usb bus interface driver, which will only support a single driver.
+ * A gadget driver can be bound to only one gadget at a time.
*/
/**
- * usb_gadget_probe_driver - probe a gadget driver
+ * usb_gadget_register_driver_owner - register a gadget driver
* @driver: the driver being registered
+ * @owner: the driver module
+ * @mod_name: the driver module's build name
* Context: can sleep
*
* Call this in your gadget driver's module initialization function,
- * to tell the underlying usb controller driver about your driver.
+ * to tell the underlying UDC controller driver about your driver.
* The @bind() function will be called to bind it to a gadget before this
* registration call returns. It's expected that the @bind() function will
* be in init sections.
+ *
+ * Use the macro defined below instead of calling this directly.
*/
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver);
+int usb_gadget_register_driver_owner(struct usb_gadget_driver *driver,
+ struct module *owner, const char *mod_name);
+
+/* use a define to avoid include chaining to get THIS_MODULE & friends */
+#define usb_gadget_register_driver(driver) \
+ usb_gadget_register_driver_owner(driver, THIS_MODULE, KBUILD_MODNAME)
/**
* usb_gadget_unregister_driver - unregister a gadget driver
#define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */
#define HCD_FLAG_DEAD 6 /* controller has died? */
#define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */
+#define HCD_FLAG_DEFER_RH_REGISTER 8 /* Defer roothub registration */
/* The flags can be tested using these macros; they are likely to
* be slightly faster than test_bit().
#define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING))
#define HCD_RH_RUNNING(hcd) ((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING))
#define HCD_DEAD(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEAD))
+#define HCD_DEFER_RH_REGISTER(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEFER_RH_REGISTER))
/*
* Specifies if interfaces are authorized by default
struct device;
struct typec_mux;
+struct typec_mux_dev;
struct typec_switch;
+struct typec_switch_dev;
struct typec_altmode;
struct fwnode_handle;
-typedef int (*typec_switch_set_fn_t)(struct typec_switch *sw,
+typedef int (*typec_switch_set_fn_t)(struct typec_switch_dev *sw,
enum typec_orientation orientation);
struct typec_switch_desc {
return fwnode_typec_switch_get(dev_fwnode(dev));
}
-struct typec_switch *
+struct typec_switch_dev *
typec_switch_register(struct device *parent,
const struct typec_switch_desc *desc);
-void typec_switch_unregister(struct typec_switch *sw);
+void typec_switch_unregister(struct typec_switch_dev *sw);
-void typec_switch_set_drvdata(struct typec_switch *sw, void *data);
-void *typec_switch_get_drvdata(struct typec_switch *sw);
+void typec_switch_set_drvdata(struct typec_switch_dev *sw, void *data);
+void *typec_switch_get_drvdata(struct typec_switch_dev *sw);
struct typec_mux_state {
struct typec_altmode *alt;
void *data;
};
-typedef int (*typec_mux_set_fn_t)(struct typec_mux *mux,
+typedef int (*typec_mux_set_fn_t)(struct typec_mux_dev *mux,
struct typec_mux_state *state);
struct typec_mux_desc {
return fwnode_typec_mux_get(dev_fwnode(dev), desc);
}
-struct typec_mux *
+struct typec_mux_dev *
typec_mux_register(struct device *parent, const struct typec_mux_desc *desc);
-void typec_mux_unregister(struct typec_mux *mux);
+void typec_mux_unregister(struct typec_mux_dev *mux);
-void typec_mux_set_drvdata(struct typec_mux *mux, void *data);
-void *typec_mux_get_drvdata(struct typec_mux *mux);
+void typec_mux_set_drvdata(struct typec_mux_dev *mux, void *data);
+void *typec_mux_get_drvdata(struct typec_mux_dev *mux);
#endif /* __USB_TYPEC_MUX */
line6pcm->max_packet_size_in =
usb_maxpacket(line6->usbdev,
- usb_rcvisocpipe(line6->usbdev, ep_read), 0);
+ usb_rcvisocpipe(line6->usbdev, ep_read));
line6pcm->max_packet_size_out =
usb_maxpacket(line6->usbdev,
- usb_sndisocpipe(line6->usbdev, ep_write), 1);
+ usb_sndisocpipe(line6->usbdev, ep_write));
if (!line6pcm->max_packet_size_in || !line6pcm->max_packet_size_out) {
dev_err(line6pcm->line6->ifcdev,
"cannot get proper max packet size\n");
pipe = usb_rcvintpipe(umidi->dev, ep_info->in_ep);
else
pipe = usb_rcvbulkpipe(umidi->dev, ep_info->in_ep);
- length = usb_maxpacket(umidi->dev, pipe, 0);
+ length = usb_maxpacket(umidi->dev, pipe);
for (i = 0; i < INPUT_URBS; ++i) {
buffer = usb_alloc_coherent(umidi->dev, length, GFP_KERNEL,
&ep->urbs[i]->transfer_dma);
pipe = usb_sndbulkpipe(umidi->dev, ep_info->out_ep);
switch (umidi->usb_id) {
default:
- ep->max_transfer = usb_maxpacket(umidi->dev, pipe, 1);
+ ep->max_transfer = usb_maxpacket(umidi->dev, pipe);
break;
/*
* Various chips declare a packet size larger than 4 bytes, but
{
int u, p;
int maxpacket = use_packsize ?
- use_packsize : usb_maxpacket(dev, pipe, usb_pipeout(pipe));
+ use_packsize : usb_maxpacket(dev, pipe);
int transfer_length = maxpacket * sk->n_o_ps;
for (u = 0; u < USB_STREAM_NURBS;
out_pipe = usb_sndisocpipe(dev, out_endpoint);
max_packsize = use_packsize ?
- use_packsize : usb_maxpacket(dev, in_pipe, 0);
+ use_packsize : usb_maxpacket(dev, in_pipe);
/*
t_period = period_frames / sample_rate
read_size += packets * USB_STREAM_URBDEPTH *
(max_packsize + sizeof(struct usb_stream_packet));
- max_packsize = usb_maxpacket(dev, out_pipe, 1);
+ max_packsize = usb_maxpacket(dev, out_pipe);
write_size = max_packsize * packets * USB_STREAM_URBDEPTH;
if (read_size >= 256*PAGE_SIZE || write_size >= 256*PAGE_SIZE) {
pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
usb_rcvisocpipe(dev, subs->endpoint);
- subs->maxpacksize = usb_maxpacket(dev, pipe, is_playback);
+ subs->maxpacksize = usb_maxpacket(dev, pipe);
if (!subs->maxpacksize)
return -EINVAL;
pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) :
usb_rcvisocpipe(dev, subs->endpoint);
- subs->maxpacksize = usb_maxpacket(dev, pipe, is_playback);
+ subs->maxpacksize = usb_maxpacket(dev, pipe);
if (!subs->maxpacksize)
return -EINVAL;
}
if (not)
return 0;
- if (testdevs && testdevs->next == 0 && !device)
+ if (testdevs && !testdevs->next && !device)
device = testdevs->name;
for (entry = testdevs; entry; entry = entry->next) {
int status;
projects / linux-2.6-microblaze.git / commitdiff