F: drivers/dma/ptdma/
AMD SEATTLE DEVICE TREE SUPPORT
- M: Brijesh Singh <brijeshkumar.singh@amd.com>
M: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
M: Tom Lendacky <thomas.lendacky@amd.com>
S: Supported
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git
X: drivers/media/i2c/
+ F: arch/arm64/boot/dts/freescale/
+ X: arch/arm64/boot/dts/freescale/fsl-*
+ X: arch/arm64/boot/dts/freescale/qoriq-*
N: imx
N: mxs
ARM/Mediatek SoC support
M: Matthias Brugger <matthias.bgg@gmail.com>
+ R: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ L: linux-kernel@vger.kernel.org
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)
S: Maintained
W: https://mtk.wiki.kernel.org/
- C: irc://chat.freenode.net/linux-mediatek
+ C: irc://irc.libera.chat/linux-mediatek
+ F: arch/arm/boot/dts/mt2*
F: arch/arm/boot/dts/mt6*
F: arch/arm/boot/dts/mt7*
F: arch/arm/boot/dts/mt8*
F: arch/arm64/boot/dts/mediatek/
F: drivers/soc/mediatek/
N: mtk
- N: mt[678]
+ N: mt[2678]
K: mediatek
ARM/Mediatek USB3 PHY DRIVER
BONDING DRIVER
M: Jay Vosburgh <j.vosburgh@gmail.com>
- M: Veaceslav Falico <vfalico@gmail.com>
M: Andy Gospodarek <andy@greyhouse.net>
L: netdev@vger.kernel.org
S: Supported
F: drivers/firmware/efi/test/
EFI VARIABLE FILESYSTEM
- M: Matthew Garrett <matthew.garrett@nebula.com>
M: Jeremy Kerr <jk@ozlabs.org>
M: Ard Biesheuvel <ardb@kernel.org>
L: linux-efi@vger.kernel.org
EXTRA BOOT CONFIG
M: Masami Hiramatsu <mhiramat@kernel.org>
+ L: linux-kernel@vger.kernel.org
+ L: linux-trace-kernel@vger.kernel.org
+ Q: https://patchwork.kernel.org/project/linux-trace-kernel/list/
S: Maintained
+ T: git git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
F: Documentation/admin-guide/bootconfig.rst
F: fs/proc/bootconfig.c
F: include/linux/bootconfig.h
F: include/linux/fscache*.h
FSCRYPT: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
+ M: Eric Biggers <ebiggers@kernel.org>
M: Theodore Y. Ts'o <tytso@mit.edu>
M: Jaegeuk Kim <jaegeuk@kernel.org>
- M: Eric Biggers <ebiggers@kernel.org>
L: linux-fscrypt@vger.kernel.org
S: Supported
Q: https://patchwork.kernel.org/project/linux-fscrypt/list/
- T: git git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git
+ T: git https://git.kernel.org/pub/scm/fs/fscrypt/linux.git
F: Documentation/filesystems/fscrypt.rst
F: fs/crypto/
- F: include/linux/fscrypt*.h
+ F: include/linux/fscrypt.h
F: include/uapi/linux/fscrypt.h
FSI SUBSYSTEM
FSVERITY: READ-ONLY FILE-BASED AUTHENTICITY PROTECTION
M: Eric Biggers <ebiggers@kernel.org>
M: Theodore Y. Ts'o <tytso@mit.edu>
- L: linux-fscrypt@vger.kernel.org
+ L: fsverity@lists.linux.dev
S: Supported
- Q: https://patchwork.kernel.org/project/linux-fscrypt/list/
- T: git git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt.git fsverity
+ Q: https://patchwork.kernel.org/project/fsverity/list/
+ T: git https://git.kernel.org/pub/scm/fs/fsverity/linux.git
F: Documentation/filesystems/fsverity.rst
F: fs/verity/
F: include/linux/fsverity.h
F: arch/*/*/*/*ftrace*
F: arch/*/*/*ftrace*
F: include/*/ftrace.h
+ F: samples/ftrace
FUNGIBLE ETHERNET DRIVERS
M: Dimitris Michailidis <dmichail@fungible.com>
NETWORKING [IPv4/IPv6]
M: "David S. Miller" <davem@davemloft.net>
- M: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
M: David Ahern <dsahern@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
F: net/netlabel/
NETWORKING [MPTCP]
- M: Mat Martineau <mathew.j.martineau@linux.intel.com>
M: Matthieu Baerts <matthieu.baerts@tessares.net>
L: netdev@vger.kernel.org
L: mptcp@lists.linux.dev
M: Jonas Bonn <jonas@southpole.se>
M: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
M: Stafford Horne <shorne@gmail.com>
- L: openrisc@lists.librecores.org
+ L: linux-openrisc@vger.kernel.org
S: Maintained
W: http://openrisc.io
T: git https://github.com/openrisc/linux.git
F: Documentation/devicetree/bindings/rtc/renesas,rzn1-rtc.yaml
F: drivers/rtc/rtc-rzn1.c
+RENESAS RZ/N1 USBF CONTROLLER DRIVER
+M: Herve Codina <herve.codina@bootlin.com>
+L: linux-renesas-soc@vger.kernel.org
+L: linux-usb@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/usb/renesas,rzn1-usbf.yaml
+F: drivers/usb/gadget/udc/renesas_usbf.c
+
RENESAS R-CAR GEN3 & RZ/N1 NAND CONTROLLER DRIVER
M: Miquel Raynal <miquel.raynal@bootlin.com>
L: linux-mtd@lists.infradead.org
L: linux-riscv@lists.infradead.org
S: Supported
Q: https://patchwork.kernel.org/project/linux-riscv/list/
+ C: irc://irc.libera.chat/riscv
P: Documentation/riscv/patch-acceptance.rst
T: git git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
F: arch/riscv/
F: include/target/
SCTP PROTOCOL
- M: Vlad Yasevich <vyasevich@gmail.com>
M: Neil Horman <nhorman@tuxdriver.com>
M: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
+ M: Xin Long <lucien.xin@gmail.com>
L: linux-sctp@vger.kernel.org
S: Maintained
W: http://lksctp.sourceforge.net
USB WEBCAM GADGET
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ M: Daniel Scally <dan.scally@ideasonboard.com>
L: linux-usb@vger.kernel.org
S: Maintained
F: drivers/usb/gadget/function/*uvc*
spin_unlock_irqrestore(&sched_engine->lock, flags);
}
-static unsigned long list_count(struct list_head *list)
-{
- struct list_head *pos;
- unsigned long count = 0;
-
- list_for_each(pos, list)
- count++;
-
- return count;
-}
-
+ void intel_execlists_dump_active_requests(struct intel_engine_cs *engine,
+ struct i915_request *hung_rq,
+ struct drm_printer *m)
+ {
+ unsigned long flags;
+
+ spin_lock_irqsave(&engine->sched_engine->lock, flags);
+
+ intel_engine_dump_active_requests(&engine->sched_engine->requests, hung_rq, m);
+
+ drm_printf(m, "\tOn hold?: %lu\n",
- list_count(&engine->sched_engine->hold));
++ list_count_nodes(&engine->sched_engine->hold));
+
+ spin_unlock_irqrestore(&engine->sched_engine->lock, flags);
+ }
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftest_execlists.c"
#endif
* Author : Yuan-Hsin Chen <yhchen@faraday-tech.com>
*/
+#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
-#include <linux/clk.h>
#include <linux/usb/otg.h>
#include <linux/usb/phy.h>
static const char * const fotg210_ep_name[] = {
"ep0", "ep1", "ep2", "ep3", "ep4"};
+static void fotg210_ack_int(struct fotg210_udc *fotg210, u32 offset, u32 mask)
+{
+ u32 value = ioread32(fotg210->reg + offset);
+
+ value &= ~mask;
+ iowrite32(value, fotg210->reg + offset);
+}
+
static void fotg210_disable_fifo_int(struct fotg210_ep *ep)
{
u32 value = ioread32(ep->fotg210->reg + FOTG210_DMISGR1);
goto dma_reset;
} while (!(value & DISGR2_DMA_CMPLT));
- value &= ~DISGR2_DMA_CMPLT;
- iowrite32(value, ep->fotg210->reg + FOTG210_DISGR2);
+ fotg210_ack_int(ep->fotg210, FOTG210_DISGR2, DISGR2_DMA_CMPLT);
return;
dma_reset:
return value & INOUTEPMPSR_STL_EP ? 1 : 0;
}
+/* For EP0 requests triggered by this driver (currently GET_STATUS response) */
+static void fotg210_ep0_complete(struct usb_ep *_ep, struct usb_request *req)
+{
+ struct fotg210_ep *ep;
+ struct fotg210_udc *fotg210;
+
+ ep = container_of(_ep, struct fotg210_ep, ep);
+ fotg210 = ep->fotg210;
+
+ if (req->status || req->actual != req->length) {
+ dev_warn(&fotg210->gadget.dev, "EP0 request failed: %d\n", req->status);
+ }
+}
+
static void fotg210_get_status(struct fotg210_udc *fotg210,
struct usb_ctrlrequest *ctrl)
{
}
}
-static void fotg210_clear_comabt_int(struct fotg210_udc *fotg210)
-{
- u32 value = ioread32(fotg210->reg + FOTG210_DISGR0);
-
- value &= ~DISGR0_CX_COMABT_INT;
- iowrite32(value, fotg210->reg + FOTG210_DISGR0);
-}
-
static void fotg210_in_fifo_handler(struct fotg210_ep *ep)
{
struct fotg210_request *req = list_entry(ep->queue.next,
void __iomem *reg = fotg210->reg + FOTG210_DISGR2;
u32 int_grp2 = ioread32(reg);
u32 int_msk2 = ioread32(fotg210->reg + FOTG210_DMISGR2);
- u32 value;
int_grp2 &= ~int_msk2;
if (int_grp2 & DISGR2_USBRST_INT) {
usb_gadget_udc_reset(&fotg210->gadget,
fotg210->driver);
- value = ioread32(reg);
- value &= ~DISGR2_USBRST_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_USBRST_INT);
pr_info("fotg210 udc reset\n");
}
if (int_grp2 & DISGR2_SUSP_INT) {
- value = ioread32(reg);
- value &= ~DISGR2_SUSP_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_SUSP_INT);
pr_info("fotg210 udc suspend\n");
}
if (int_grp2 & DISGR2_RESM_INT) {
- value = ioread32(reg);
- value &= ~DISGR2_RESM_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_RESM_INT);
pr_info("fotg210 udc resume\n");
}
if (int_grp2 & DISGR2_ISO_SEQ_ERR_INT) {
- value = ioread32(reg);
- value &= ~DISGR2_ISO_SEQ_ERR_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_ISO_SEQ_ERR_INT);
pr_info("fotg210 iso sequence error\n");
}
if (int_grp2 & DISGR2_ISO_SEQ_ABORT_INT) {
- value = ioread32(reg);
- value &= ~DISGR2_ISO_SEQ_ABORT_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_ISO_SEQ_ABORT_INT);
pr_info("fotg210 iso sequence abort\n");
}
if (int_grp2 & DISGR2_TX0BYTE_INT) {
fotg210_clear_tx0byte(fotg210);
- value = ioread32(reg);
- value &= ~DISGR2_TX0BYTE_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_TX0BYTE_INT);
pr_info("fotg210 transferred 0 byte\n");
}
if (int_grp2 & DISGR2_RX0BYTE_INT) {
fotg210_clear_rx0byte(fotg210);
- value = ioread32(reg);
- value &= ~DISGR2_RX0BYTE_INT;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_RX0BYTE_INT);
pr_info("fotg210 received 0 byte\n");
}
if (int_grp2 & DISGR2_DMA_ERROR) {
- value = ioread32(reg);
- value &= ~DISGR2_DMA_ERROR;
- iowrite32(value, reg);
+ fotg210_ack_int(fotg210, FOTG210_DISGR2, DISGR2_DMA_ERROR);
}
}
/* the highest priority in this source register */
if (int_grp0 & DISGR0_CX_COMABT_INT) {
- fotg210_clear_comabt_int(fotg210);
+ fotg210_ack_int(fotg210, FOTG210_DISGR0, DISGR0_CX_COMABT_INT);
pr_info("fotg210 CX command abort\n");
}
int ret;
/* hook up the driver */
- driver->driver.bus = NULL;
fotg210->driver = driver;
+ fotg210->gadget.dev.of_node = fotg210->dev->of_node;
+ fotg210->gadget.speed = USB_SPEED_UNKNOWN;
+
+ dev_info(fotg210->dev, "bound driver %s\n", driver->driver.name);
if (!IS_ERR_OR_NULL(fotg210->phy)) {
ret = otg_set_peripheral(fotg210->phy->otg,
dev_err(fotg210->dev, "can't bind to phy\n");
}
+ /* chip enable */
+ value = ioread32(fotg210->reg + FOTG210_DMCR);
+ value |= DMCR_CHIP_EN;
+ iowrite32(value, fotg210->reg + FOTG210_DMCR);
+
/* enable device global interrupt */
value = ioread32(fotg210->reg + FOTG210_DMCR);
value |= DMCR_GLINT_EN;
iowrite32(GMIR_MHC_INT | GMIR_MOTG_INT | GMIR_INT_POLARITY,
fotg210->reg + FOTG210_GMIR);
+ /* mask interrupts for groups other than 0-2 */
+ iowrite32(~(DMIGR_MINT_G0 | DMIGR_MINT_G1 | DMIGR_MINT_G2),
+ fotg210->reg + FOTG210_DMIGR);
+
+ /* udc software reset */
+ iowrite32(DMCR_SFRST, fotg210->reg + FOTG210_DMCR);
+ /* Better wait a bit, but without a datasheet, no idea how long. */
+ usleep_range(100, 200);
+
/* disable device global interrupt */
value = ioread32(fotg210->reg + FOTG210_DMCR);
value &= ~DMCR_GLINT_EN;
fotg210_init(fotg210);
fotg210->driver = NULL;
+ fotg210->gadget.speed = USB_SPEED_UNKNOWN;
spin_unlock_irqrestore(&fotg210->lock, flags);
return 0;
}
+/**
+ * fotg210_vbus_session - Called by external transceiver to enable/disable udc
+ * @_gadget: usb gadget
+ * @is_active: 0 if should disable UDC VBUS, 1 if should enable
+ *
+ * Returns 0
+ */
+static int fotg210_vbus_session(struct usb_gadget *g, int is_active)
+{
+ struct fotg210_udc *fotg210 = gadget_to_fotg210(g);
+
+ /* Call down to core integration layer to drive or disable VBUS */
+ fotg210_vbus(fotg210->fotg, is_active);
+ return 0;
+}
+
static const struct usb_gadget_ops fotg210_gadget_ops = {
.udc_start = fotg210_udc_start,
.udc_stop = fotg210_udc_stop,
+ .vbus_session = fotg210_vbus_session,
};
/**
for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
kfree(fotg210->ep[i]);
- if (!IS_ERR(fotg210->pclk))
- clk_disable_unprepare(fotg210->pclk);
-
kfree(fotg210);
return 0;
}
-int fotg210_udc_probe(struct platform_device *pdev)
+int fotg210_udc_probe(struct platform_device *pdev, struct fotg210 *fotg)
{
- struct resource *res;
struct fotg210_udc *fotg210 = NULL;
struct device *dev = &pdev->dev;
int irq;
int ret = 0;
int i;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- pr_err("platform_get_resource error.\n");
- return -ENODEV;
- }
-
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- pr_err("could not get irq\n");
- return -ENODEV;
- }
+ if (irq < 0)
+ return irq;
/* initialize udc */
fotg210 = kzalloc(sizeof(struct fotg210_udc), GFP_KERNEL);
return -ENOMEM;
fotg210->dev = dev;
-
- /* It's OK not to supply this clock */
- fotg210->pclk = devm_clk_get(dev, "PCLK");
- if (!IS_ERR(fotg210->pclk)) {
- ret = clk_prepare_enable(fotg210->pclk);
- if (ret) {
- dev_err(dev, "failed to enable PCLK\n");
- goto err;
- }
- } else if (PTR_ERR(fotg210->pclk) == -EPROBE_DEFER) {
- /*
- * Percolate deferrals, for anything else,
- * just live without the clocking.
- */
- ret = -EPROBE_DEFER;
- goto err;
- }
+ fotg210->fotg = fotg;
fotg210->phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0);
if (IS_ERR(fotg210->phy)) {
ret = PTR_ERR(fotg210->phy);
if (ret == -EPROBE_DEFER)
- goto err_pclk;
+ goto err_free;
dev_info(dev, "no PHY found\n");
fotg210->phy = NULL;
} else {
ret = usb_phy_init(fotg210->phy);
if (ret)
- goto err_pclk;
+ goto err_free;
dev_info(dev, "found and initialized PHY\n");
}
goto err_alloc;
}
- fotg210->reg = ioremap(res->start, resource_size(res));
- if (fotg210->reg == NULL) {
- dev_err(dev, "ioremap error\n");
- goto err_alloc;
- }
+ fotg210->reg = fotg->base;
spin_lock_init(&fotg210->lock);
if (fotg210->ep0_req == NULL)
goto err_map;
+ fotg210->ep0_req->complete = fotg210_ep0_complete;
+
fotg210_init(fotg210);
fotg210_disable_unplug(fotg210);
ret = request_irq(irq, fotg210_irq, IRQF_SHARED,
udc_name, fotg210);
if (ret < 0) {
- dev_err(dev, "request_irq error (%d)\n", ret);
+ dev_err_probe(dev, ret, "request_irq error\n");
goto err_req;
}
err_alloc:
for (i = 0; i < FOTG210_MAX_NUM_EP; i++)
kfree(fotg210->ep[i]);
-err_pclk:
- if (!IS_ERR(fotg210->pclk))
- clk_disable_unprepare(fotg210->pclk);
-err:
+err_free:
kfree(fotg210);
return ret;
}
struct usb_request *req = ffs->ep0req;
int ret;
- if (!req)
+ if (!req) {
+ spin_unlock_irq(&ffs->ev.waitq.lock);
return -EINVAL;
+ }
req->zero = len < le16_to_cpu(ffs->ev.setup.wLength);
{
struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,
work);
- int ret = io_data->req->status ? io_data->req->status :
- io_data->req->actual;
+ int ret = io_data->status;
bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;
if (io_data->read && ret > 0) {
if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)
eventfd_signal(io_data->ffs->ffs_eventfd, 1);
- usb_ep_free_request(io_data->ep, io_data->req);
-
if (io_data->read)
kfree(io_data->to_free);
ffs_free_buffer(io_data);
ENTER();
+ io_data->status = req->status ? req->status : req->actual;
+ usb_ep_free_request(_ep, req);
+
INIT_WORK(&io_data->work, ffs_user_copy_worker);
queue_work(ffs->io_completion_wq, &io_data->work);
}
bcm63xx_select_phy_mode(udc, true);
udc->driver = driver;
- driver->driver.bus = NULL;
udc->gadget.dev.of_node = udc->dev->of_node;
spin_unlock_irqrestore(&udc->lock, flags);
for (ch_idx = 0; ch_idx < BCM63XX_NUM_IUDMA; ch_idx++) {
struct iudma_ch *iudma = &udc->iudma[ch_idx];
- struct list_head *pos;
seq_printf(s, "IUDMA channel %d -- ", ch_idx);
switch (iudma_defaults[ch_idx].ep_type) {
seq_printf(s, " desc: %d/%d used", iudma->n_bds_used,
iudma->n_bds);
- if (iudma->bep) {
- i = 0;
- list_for_each(pos, &iudma->bep->queue)
- i++;
- seq_printf(s, "; %d queued\n", i);
- } else {
+ if (iudma->bep)
+ seq_printf(s, "; %zu queued\n", list_count_nodes(&iudma->bep->queue));
+ else
seq_printf(s, "\n");
- }
for (i = 0; i < iudma->n_bds; i++) {
struct bcm_enet_desc *d = &iudma->bd_ring[i];
struct fusb300 *fusb300 = to_fusb300(g);
/* hook up the driver */
- driver->driver.bus = NULL;
fusb300->driver = driver;
return 0;
usb_del_gadget_udc(&fusb300->gadget);
iounmap(fusb300->reg);
free_irq(platform_get_irq(pdev, 0), fusb300);
+ free_irq(platform_get_irq(pdev, 1), fusb300);
fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req);
for (i = 0; i < FUSB300_MAX_NUM_EP; i++)
IRQF_SHARED, udc_name, fusb300);
if (ret < 0) {
pr_err("request_irq1 error (%d)\n", ret);
- goto clean_up;
+ goto err_request_irq1;
}
INIT_LIST_HEAD(&fusb300->gadget.ep_list);
GFP_KERNEL);
if (fusb300->ep0_req == NULL) {
ret = -ENOMEM;
- goto clean_up3;
+ goto err_alloc_request;
}
init_controller(fusb300);
err_add_udc:
fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req);
-clean_up3:
+err_alloc_request:
+ free_irq(ires1->start, fusb300);
+
+err_request_irq1:
free_irq(ires->start, fusb300);
clean_up:
}
}
-static int ucsi_get_pdos(struct ucsi_connector *con, int is_partner,
- u32 *pdos, int offset, int num_pdos)
+static int ucsi_read_pdos(struct ucsi_connector *con,
+ enum typec_role role, int is_partner,
+ u32 *pdos, int offset, int num_pdos)
{
struct ucsi *ucsi = con->ucsi;
u64 command;
command |= UCSI_GET_PDOS_PARTNER_PDO(is_partner);
command |= UCSI_GET_PDOS_PDO_OFFSET(offset);
command |= UCSI_GET_PDOS_NUM_PDOS(num_pdos - 1);
- command |= UCSI_GET_PDOS_SRC_PDOS;
+ command |= is_source(role) ? UCSI_GET_PDOS_SRC_PDOS : 0;
ret = ucsi_send_command(ucsi, command, pdos + offset,
num_pdos * sizeof(u32));
if (ret < 0 && ret != -ETIMEDOUT)
return ret;
}
-static int ucsi_get_src_pdos(struct ucsi_connector *con)
+static int ucsi_get_pdos(struct ucsi_connector *con, enum typec_role role,
+ int is_partner, u32 *pdos)
{
+ u8 num_pdos;
int ret;
/* UCSI max payload means only getting at most 4 PDOs at a time */
- ret = ucsi_get_pdos(con, 1, con->src_pdos, 0, UCSI_MAX_PDOS);
+ ret = ucsi_read_pdos(con, role, is_partner, pdos, 0, UCSI_MAX_PDOS);
if (ret < 0)
return ret;
- con->num_pdos = ret / sizeof(u32); /* number of bytes to 32-bit PDOs */
- if (con->num_pdos < UCSI_MAX_PDOS)
- return 0;
+ num_pdos = ret / sizeof(u32); /* number of bytes to 32-bit PDOs */
+ if (num_pdos < UCSI_MAX_PDOS)
+ return num_pdos;
/* get the remaining PDOs, if any */
- ret = ucsi_get_pdos(con, 1, con->src_pdos, UCSI_MAX_PDOS,
- PDO_MAX_OBJECTS - UCSI_MAX_PDOS);
+ ret = ucsi_read_pdos(con, role, is_partner, pdos, UCSI_MAX_PDOS,
+ PDO_MAX_OBJECTS - UCSI_MAX_PDOS);
if (ret < 0)
return ret;
- con->num_pdos += ret / sizeof(u32);
+ return ret / sizeof(u32) + num_pdos;
+}
+
+static int ucsi_get_src_pdos(struct ucsi_connector *con)
+{
+ int ret;
+
+ ret = ucsi_get_pdos(con, TYPEC_SOURCE, 1, con->src_pdos);
+ if (ret < 0)
+ return ret;
+
+ con->num_pdos = ret;
ucsi_port_psy_changed(con);
- return 0;
+ return ret;
}
static int ucsi_check_altmodes(struct ucsi_connector *con)
return ret;
}
+static int ucsi_register_partner_pdos(struct ucsi_connector *con)
+{
+ struct usb_power_delivery_desc desc = { con->ucsi->cap.pd_version };
+ struct usb_power_delivery_capabilities_desc caps;
+ struct usb_power_delivery_capabilities *cap;
+ int ret;
+
+ if (con->partner_pd)
+ return 0;
+
+ con->partner_pd = usb_power_delivery_register(NULL, &desc);
+ if (IS_ERR(con->partner_pd))
+ return PTR_ERR(con->partner_pd);
+
+ ret = ucsi_get_pdos(con, TYPEC_SOURCE, 1, caps.pdo);
+ if (ret > 0) {
+ if (ret < PDO_MAX_OBJECTS)
+ caps.pdo[ret] = 0;
+
+ caps.role = TYPEC_SOURCE;
+ cap = usb_power_delivery_register_capabilities(con->partner_pd, &caps);
+ if (IS_ERR(cap))
+ return PTR_ERR(cap);
+
+ con->partner_source_caps = cap;
+
+ ret = typec_partner_set_usb_power_delivery(con->partner, con->partner_pd);
+ if (ret) {
+ usb_power_delivery_unregister_capabilities(con->partner_source_caps);
+ return ret;
+ }
+ }
+
+ ret = ucsi_get_pdos(con, TYPEC_SINK, 1, caps.pdo);
+ if (ret > 0) {
+ if (ret < PDO_MAX_OBJECTS)
+ caps.pdo[ret] = 0;
+
+ caps.role = TYPEC_SINK;
+
+ cap = usb_power_delivery_register_capabilities(con->partner_pd, &caps);
+ if (IS_ERR(cap))
+ return PTR_ERR(cap);
+
+ con->partner_sink_caps = cap;
+
+ ret = typec_partner_set_usb_power_delivery(con->partner, con->partner_pd);
+ if (ret) {
+ usb_power_delivery_unregister_capabilities(con->partner_sink_caps);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static void ucsi_unregister_partner_pdos(struct ucsi_connector *con)
+{
+ usb_power_delivery_unregister_capabilities(con->partner_sink_caps);
+ con->partner_sink_caps = NULL;
+ usb_power_delivery_unregister_capabilities(con->partner_source_caps);
+ con->partner_source_caps = NULL;
+ usb_power_delivery_unregister(con->partner_pd);
+ con->partner_pd = NULL;
+}
+
static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
{
switch (UCSI_CONSTAT_PWR_OPMODE(con->status.flags)) {
typec_set_pwr_opmode(con->port, TYPEC_PWR_MODE_PD);
ucsi_partner_task(con, ucsi_get_src_pdos, 30, 0);
ucsi_partner_task(con, ucsi_check_altmodes, 30, 0);
+ ucsi_partner_task(con, ucsi_register_partner_pdos, 1, HZ);
break;
case UCSI_CONSTAT_PWR_OPMODE_TYPEC1_5:
con->rdo = 0;
if (!con->partner)
return;
+ ucsi_unregister_partner_pdos(con);
ucsi_unregister_altmodes(con, UCSI_RECIPIENT_SOP);
typec_unregister_partner(con->partner);
con->partner = NULL;
if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
ucsi_register_partner(con);
ucsi_partner_task(con, ucsi_check_connection, 1, HZ);
+
+ if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) ==
+ UCSI_CONSTAT_PWR_OPMODE_PD)
+ ucsi_partner_task(con, ucsi_register_partner_pdos, 1, HZ);
} else {
ucsi_unregister_partner(con);
}
static int ucsi_register_port(struct ucsi *ucsi, int index)
{
+ struct usb_power_delivery_desc desc = { ucsi->cap.pd_version};
+ struct usb_power_delivery_capabilities_desc pd_caps;
+ struct usb_power_delivery_capabilities *pd_cap;
struct ucsi_connector *con = &ucsi->connector[index];
struct typec_capability *cap = &con->typec_cap;
enum typec_accessory *accessory = cap->accessory;
goto out;
}
+ con->pd = usb_power_delivery_register(ucsi->dev, &desc);
+
+ ret = ucsi_get_pdos(con, TYPEC_SOURCE, 0, pd_caps.pdo);
+ if (ret > 0) {
+ if (ret < PDO_MAX_OBJECTS)
+ pd_caps.pdo[ret] = 0;
+
+ pd_caps.role = TYPEC_SOURCE;
+ pd_cap = usb_power_delivery_register_capabilities(con->pd, &pd_caps);
+ if (IS_ERR(pd_cap)) {
+ ret = PTR_ERR(pd_cap);
+ goto out;
+ }
+
+ con->port_source_caps = pd_cap;
+ typec_port_set_usb_power_delivery(con->port, con->pd);
+ }
+
+ memset(&pd_caps, 0, sizeof(pd_caps));
+ ret = ucsi_get_pdos(con, TYPEC_SINK, 0, pd_caps.pdo);
+ if (ret > 0) {
+ if (ret < PDO_MAX_OBJECTS)
+ pd_caps.pdo[ret] = 0;
+
+ pd_caps.role = TYPEC_SINK;
+ pd_cap = usb_power_delivery_register_capabilities(con->pd, &pd_caps);
+ if (IS_ERR(pd_cap)) {
+ ret = PTR_ERR(pd_cap);
+ goto out;
+ }
+
+ con->port_sink_caps = pd_cap;
+ typec_port_set_usb_power_delivery(con->port, con->pd);
+ }
+
/* Alternate modes */
ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_CON);
if (ret) {
if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
typec_set_pwr_role(con->port,
!!(con->status.flags & UCSI_CONSTAT_PWR_DIR));
- ucsi_pwr_opmode_change(con);
ucsi_register_partner(con);
+ ucsi_pwr_opmode_change(con);
ucsi_port_psy_changed(con);
}
ucsi_unregister_port_psy(con);
if (con->wq)
destroy_workqueue(con->wq);
+
+ usb_power_delivery_unregister_capabilities(con->port_sink_caps);
+ con->port_sink_caps = NULL;
+ usb_power_delivery_unregister_capabilities(con->port_source_caps);
+ con->port_source_caps = NULL;
+ usb_power_delivery_unregister(con->pd);
+ con->pd = NULL;
typec_unregister_port(con->port);
con->port = NULL;
}
+ kfree(ucsi->connector);
+ ucsi->connector = NULL;
+
err_reset:
memset(&ucsi->cap, 0, sizeof(ucsi->cap));
ucsi_reset_ppm(ucsi);
int ucsi_resume(struct ucsi *ucsi)
{
- queue_work(system_long_wq, &ucsi->resume_work);
+ if (ucsi->connector)
+ queue_work(system_long_wq, &ucsi->resume_work);
return 0;
}
EXPORT_SYMBOL_GPL(ucsi_resume);
/* Disable notifications */
ucsi->ops->async_write(ucsi, UCSI_CONTROL, &cmd, sizeof(cmd));
+ if (!ucsi->connector)
+ return;
+
for (i = 0; i < ucsi->cap.num_connectors; i++) {
cancel_work_sync(&ucsi->connector[i].work);
ucsi_unregister_partner(&ucsi->connector[i]);
mutex_unlock(&ucsi->connector[i].lock);
destroy_workqueue(ucsi->connector[i].wq);
}
+
+ usb_power_delivery_unregister_capabilities(ucsi->connector[i].port_sink_caps);
+ ucsi->connector[i].port_sink_caps = NULL;
+ usb_power_delivery_unregister_capabilities(ucsi->connector[i].port_source_caps);
+ ucsi->connector[i].port_source_caps = NULL;
+ usb_power_delivery_unregister(ucsi->connector[i].pd);
+ ucsi->connector[i].pd = NULL;
typec_unregister_port(ucsi->connector[i].port);
}
projects / linux-2.6-microblaze.git / commitdiff