Lines Matching full:udc
48 spin_lock_irq(&ep->udc->lock); in queue_dbg_open()
55 spin_unlock_irq(&ep->udc->lock); in queue_dbg_open()
61 spin_unlock_irq(&ep->udc->lock); in queue_dbg_open()
142 struct usba_udc *udc; in regs_dbg_open() local
148 udc = inode->i_private; in regs_dbg_open()
153 spin_lock_irq(&udc->lock); in regs_dbg_open()
155 data[i] = readl_relaxed(udc->regs + i * 4); in regs_dbg_open()
156 spin_unlock_irq(&udc->lock); in regs_dbg_open()
204 static void usba_ep_init_debugfs(struct usba_udc *udc, in usba_ep_init_debugfs() argument
209 ep_root = debugfs_create_dir(ep->ep.name, udc->debugfs_root); in usba_ep_init_debugfs()
225 static void usba_init_debugfs(struct usba_udc *udc) in usba_init_debugfs() argument
230 root = debugfs_create_dir(udc->gadget.name, usb_debug_root); in usba_init_debugfs()
231 udc->debugfs_root = root; in usba_init_debugfs()
233 regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM, in usba_init_debugfs()
237 debugfs_create_file_size("regs", 0400, root, udc, in usba_init_debugfs()
242 usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0)); in usba_init_debugfs()
245 static void usba_cleanup_debugfs(struct usba_udc *udc) in usba_cleanup_debugfs() argument
247 usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0)); in usba_cleanup_debugfs()
248 debugfs_remove_recursive(udc->debugfs_root); in usba_cleanup_debugfs()
251 static inline void usba_ep_init_debugfs(struct usba_udc *udc, in usba_ep_init_debugfs() argument
262 static inline void usba_init_debugfs(struct usba_udc *udc) in usba_init_debugfs() argument
267 static inline void usba_cleanup_debugfs(struct usba_udc *udc) in usba_cleanup_debugfs() argument
324 static int usba_config_fifo_table(struct usba_udc *udc) in usba_config_fifo_table() argument
333 udc->fifo_cfg = NULL; in usba_config_fifo_table()
337 udc->fifo_cfg = mode_1_cfg; in usba_config_fifo_table()
341 udc->fifo_cfg = mode_2_cfg; in usba_config_fifo_table()
345 udc->fifo_cfg = mode_3_cfg; in usba_config_fifo_table()
349 udc->fifo_cfg = mode_4_cfg; in usba_config_fifo_table()
358 static inline u32 usba_int_enb_get(struct usba_udc *udc) in usba_int_enb_get() argument
360 return udc->int_enb_cache; in usba_int_enb_get()
363 static inline void usba_int_enb_set(struct usba_udc *udc, u32 mask) in usba_int_enb_set() argument
367 val = udc->int_enb_cache | mask; in usba_int_enb_set()
368 usba_writel(udc, INT_ENB, val); in usba_int_enb_set()
369 udc->int_enb_cache = val; in usba_int_enb_set()
372 static inline void usba_int_enb_clear(struct usba_udc *udc, u32 mask) in usba_int_enb_clear() argument
376 val = udc->int_enb_cache & ~mask; in usba_int_enb_clear()
377 usba_writel(udc, INT_ENB, val); in usba_int_enb_clear()
378 udc->int_enb_cache = val; in usba_int_enb_clear()
381 static int vbus_is_present(struct usba_udc *udc) in vbus_is_present() argument
383 if (udc->vbus_pin) in vbus_is_present()
384 return gpiod_get_value(udc->vbus_pin); in vbus_is_present()
390 static void toggle_bias(struct usba_udc *udc, int is_on) in toggle_bias() argument
392 if (udc->errata && udc->errata->toggle_bias) in toggle_bias()
393 udc->errata->toggle_bias(udc, is_on); in toggle_bias()
396 static void generate_bias_pulse(struct usba_udc *udc) in generate_bias_pulse() argument
398 if (!udc->bias_pulse_needed) in generate_bias_pulse()
401 if (udc->errata && udc->errata->pulse_bias) in generate_bias_pulse()
402 udc->errata->pulse_bias(udc); in generate_bias_pulse()
404 udc->bias_pulse_needed = false; in generate_bias_pulse()
477 static void send_status(struct usba_udc *udc, struct usba_ep *ep) in send_status() argument
486 struct usba_udc *udc = ep->udc; in receive_data() local
525 spin_unlock(&udc->lock); in receive_data()
527 spin_lock(&udc->lock); in receive_data()
534 send_status(udc, ep); in receive_data()
543 struct usba_udc *udc = ep->udc; in request_complete() local
551 usb_gadget_unmap_request(&udc->gadget, &req->req, ep->is_in); in request_complete()
557 spin_unlock(&udc->lock); in request_complete()
559 spin_lock(&udc->lock); in request_complete()
577 struct usba_udc *udc = ep->udc; in usba_ep_enable() local
637 spin_lock_irqsave(&ep->udc->lock, flags); in usba_ep_enable()
648 usba_int_enb_set(udc, USBA_BF(EPT_INT, 1 << ep->index) | in usba_ep_enable()
653 usba_int_enb_set(udc, USBA_BF(EPT_INT, 1 << ep->index)); in usba_ep_enable()
656 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_enable()
661 (unsigned long)usba_int_enb_get(udc)); in usba_ep_enable()
669 struct usba_udc *udc = ep->udc; in usba_ep_disable() local
675 spin_lock_irqsave(&udc->lock, flags); in usba_ep_disable()
678 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_disable()
691 usba_int_enb_clear(udc, USBA_BF(EPT_INT, 1 << ep->index)); in usba_ep_disable()
695 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_disable()
726 static int queue_dma(struct usba_udc *udc, struct usba_ep *ep, in queue_dma() argument
744 ret = usb_gadget_map_request(&udc->gadget, &req->req, ep->is_in); in queue_dma()
762 spin_lock_irqsave(&udc->lock, flags); in queue_dma()
770 spin_unlock_irqrestore(&udc->lock, flags); in queue_dma()
780 struct usba_udc *udc = ep->udc; in usba_ep_queue() local
787 if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN || in usba_ep_queue()
799 return queue_dma(udc, ep, req, gfp_flags); in usba_ep_queue()
803 spin_lock_irqsave(&udc->lock, flags); in usba_ep_queue()
816 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_queue()
850 dev_err(&ep->udc->pdev->dev, in stop_dma()
862 struct usba_udc *udc = ep->udc; in usba_ep_dequeue() local
871 spin_lock_irqsave(&udc->lock, flags); in usba_ep_dequeue()
881 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_dequeue()
899 usba_writel(udc, EPT_RST, 1 << ep->index); in usba_ep_dequeue()
915 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_dequeue()
923 struct usba_udc *udc = ep->udc; in usba_ep_set_halt() local
941 spin_lock_irqsave(&udc->lock, flags); in usba_ep_set_halt()
960 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_set_halt()
975 struct usba_udc *udc = ep->udc; in usba_ep_fifo_flush() local
977 usba_writel(udc, EPT_RST, 1 << ep->index); in usba_ep_fifo_flush()
994 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_get_frame() local
996 return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM)); in usba_udc_get_frame()
1001 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_wakeup() local
1006 spin_lock_irqsave(&udc->lock, flags); in usba_udc_wakeup()
1007 if (udc->devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) { in usba_udc_wakeup()
1008 ctrl = usba_readl(udc, CTRL); in usba_udc_wakeup()
1009 usba_writel(udc, CTRL, ctrl | USBA_REMOTE_WAKE_UP); in usba_udc_wakeup()
1012 spin_unlock_irqrestore(&udc->lock, flags); in usba_udc_wakeup()
1020 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_set_selfpowered() local
1024 spin_lock_irqsave(&udc->lock, flags); in usba_udc_set_selfpowered()
1026 udc->devstatus |= 1 << USB_DEVICE_SELF_POWERED; in usba_udc_set_selfpowered()
1028 udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); in usba_udc_set_selfpowered()
1029 spin_unlock_irqrestore(&udc->lock, flags); in usba_udc_set_selfpowered()
1067 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1073 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1084 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1133 * Called with interrupts disabled and udc->lock held.
1135 static void reset_all_endpoints(struct usba_udc *udc) in reset_all_endpoints() argument
1140 usba_writel(udc, EPT_RST, ~0UL); in reset_all_endpoints()
1142 ep = to_usba_ep(udc->gadget.ep0); in reset_all_endpoints()
1149 static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex) in get_ep_by_addr() argument
1154 return to_usba_ep(udc->gadget.ep0); in get_ep_by_addr()
1156 list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) { in get_ep_by_addr()
1172 /* Called with interrupts disabled and udc->lock held */
1173 static inline void set_protocol_stall(struct usba_udc *udc, struct usba_ep *ep) in set_protocol_stall() argument
1179 static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep) in is_stalled() argument
1186 static inline void set_address(struct usba_udc *udc, unsigned int addr) in set_address() argument
1191 regval = usba_readl(udc, CTRL); in set_address()
1193 usba_writel(udc, CTRL, regval); in set_address()
1196 static int do_test_mode(struct usba_udc *udc) in do_test_mode() argument
1214 struct device *dev = &udc->pdev->dev; in do_test_mode()
1217 test_mode = udc->test_mode; in do_test_mode()
1220 reset_all_endpoints(udc); in do_test_mode()
1225 usba_writel(udc, TST, USBA_TST_J_MODE); in do_test_mode()
1230 usba_writel(udc, TST, USBA_TST_K_MODE); in do_test_mode()
1238 ep = &udc->usba_ep[0]; in do_test_mode()
1239 usba_writel(udc, TST, in do_test_mode()
1247 set_protocol_stall(udc, ep); in do_test_mode()
1256 ep = &udc->usba_ep[0]; in do_test_mode()
1263 set_protocol_stall(udc, ep); in do_test_mode()
1267 usba_writel(udc, TST, USBA_TST_PKT_MODE); in do_test_mode()
1304 static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep, in handle_ep0_setup() argument
1314 status = cpu_to_le16(udc->devstatus); in handle_ep0_setup()
1322 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1327 if (is_stalled(udc, target)) in handle_ep0_setup()
1344 udc->devstatus in handle_ep0_setup()
1355 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1367 send_status(udc, ep); in handle_ep0_setup()
1374 send_status(udc, ep); in handle_ep0_setup()
1376 udc->test_mode = le16_to_cpu(crq->wIndex); in handle_ep0_setup()
1379 udc->devstatus |= 1 << USB_DEVICE_REMOTE_WAKEUP; in handle_ep0_setup()
1390 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1398 send_status(udc, ep); in handle_ep0_setup()
1406 set_address(udc, le16_to_cpu(crq->wValue)); in handle_ep0_setup()
1407 send_status(udc, ep); in handle_ep0_setup()
1413 spin_unlock(&udc->lock); in handle_ep0_setup()
1414 retval = udc->driver->setup(&udc->gadget, crq); in handle_ep0_setup()
1415 spin_lock(&udc->lock); in handle_ep0_setup()
1421 pr_err("udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, " in handle_ep0_setup()
1426 set_protocol_stall(udc, ep); in handle_ep0_setup()
1430 static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_control_irq() argument
1471 usba_writel(udc, CTRL, (usba_readl(udc, CTRL) in usba_control_irq()
1488 if (do_test_mode(udc)) in usba_control_irq()
1489 set_protocol_stall(udc, ep); in usba_control_irq()
1492 pr_err("udc: %s: TXCOMP: Invalid endpoint state %d, " in usba_control_irq()
1495 set_protocol_stall(udc, ep); in usba_control_irq()
1521 pr_err("udc: %s: RXRDY: Invalid endpoint state %d, " in usba_control_irq()
1524 set_protocol_stall(udc, ep); in usba_control_irq()
1566 pr_warn("udc: Invalid packet length %u (expected %zu)\n", in usba_control_irq()
1568 set_protocol_stall(udc, ep); in usba_control_irq()
1600 ret = handle_ep0_setup(udc, ep, &crq.crq); in usba_control_irq()
1602 spin_unlock(&udc->lock); in usba_control_irq()
1603 ret = udc->driver->setup(&udc->gadget, &crq.crq); in usba_control_irq()
1604 spin_lock(&udc->lock); in usba_control_irq()
1613 set_protocol_stall(udc, ep); in usba_control_irq()
1618 static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_ep_irq() argument
1633 dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n"); in usba_ep_irq()
1671 static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_dma_irq() argument
1685 dev_err(&udc->pdev->dev, in usba_dma_irq()
1687 dev_err(&udc->pdev->dev, in usba_dma_irq()
1711 static int start_clock(struct usba_udc *udc);
1712 static void stop_clock(struct usba_udc *udc);
1716 struct usba_udc *udc = devid; in usba_udc_irq() local
1721 spin_lock(&udc->lock); in usba_udc_irq()
1723 int_enb = usba_int_enb_get(udc); in usba_udc_irq()
1724 status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED); in usba_udc_irq()
1728 usba_writel(udc, INT_CLR, USBA_DET_SUSPEND|USBA_WAKE_UP); in usba_udc_irq()
1729 usba_int_enb_set(udc, USBA_WAKE_UP); in usba_udc_irq()
1730 usba_int_enb_clear(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1731 udc->suspended = true; in usba_udc_irq()
1732 toggle_bias(udc, 0); in usba_udc_irq()
1733 udc->bias_pulse_needed = true; in usba_udc_irq()
1734 stop_clock(udc); in usba_udc_irq()
1736 if (udc->gadget.speed != USB_SPEED_UNKNOWN in usba_udc_irq()
1737 && udc->driver && udc->driver->suspend) { in usba_udc_irq()
1738 spin_unlock(&udc->lock); in usba_udc_irq()
1739 udc->driver->suspend(&udc->gadget); in usba_udc_irq()
1740 spin_lock(&udc->lock); in usba_udc_irq()
1745 start_clock(udc); in usba_udc_irq()
1746 toggle_bias(udc, 1); in usba_udc_irq()
1747 usba_writel(udc, INT_CLR, USBA_WAKE_UP); in usba_udc_irq()
1752 udc->suspended = false; in usba_udc_irq()
1753 usba_writel(udc, INT_CLR, USBA_END_OF_RESUME); in usba_udc_irq()
1754 usba_int_enb_clear(udc, USBA_WAKE_UP); in usba_udc_irq()
1755 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1756 generate_bias_pulse(udc); in usba_udc_irq()
1758 if (udc->gadget.speed != USB_SPEED_UNKNOWN in usba_udc_irq()
1759 && udc->driver && udc->driver->resume) { in usba_udc_irq()
1760 spin_unlock(&udc->lock); in usba_udc_irq()
1761 udc->driver->resume(&udc->gadget); in usba_udc_irq()
1762 spin_lock(&udc->lock); in usba_udc_irq()
1770 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1774 usba_dma_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1781 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1783 for (i = 0; i < udc->num_ep; i++) in usba_udc_irq()
1785 if (ep_is_control(&udc->usba_ep[i])) in usba_udc_irq()
1786 usba_control_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1788 usba_ep_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1796 usba_writel(udc, INT_CLR, in usba_udc_irq()
1799 generate_bias_pulse(udc); in usba_udc_irq()
1800 reset_all_endpoints(udc); in usba_udc_irq()
1802 if (udc->gadget.speed != USB_SPEED_UNKNOWN && udc->driver) { in usba_udc_irq()
1803 udc->gadget.speed = USB_SPEED_UNKNOWN; in usba_udc_irq()
1804 spin_unlock(&udc->lock); in usba_udc_irq()
1805 usb_gadget_udc_reset(&udc->gadget, udc->driver); in usba_udc_irq()
1806 spin_lock(&udc->lock); in usba_udc_irq()
1810 udc->gadget.speed = USB_SPEED_HIGH; in usba_udc_irq()
1812 udc->gadget.speed = USB_SPEED_FULL; in usba_udc_irq()
1814 usb_speed_string(udc->gadget.speed)); in usba_udc_irq()
1816 ep0 = &udc->usba_ep[0]; in usba_udc_irq()
1827 udc->suspended = false; in usba_udc_irq()
1828 usba_int_enb_clear(udc, USBA_WAKE_UP); in usba_udc_irq()
1830 usba_int_enb_set(udc, USBA_BF(EPT_INT, 1) | in usba_udc_irq()
1838 dev_err(&udc->pdev->dev, in usba_udc_irq()
1842 for (i = 1; i < udc->num_ep; i++) { in usba_udc_irq()
1843 ep = &udc->usba_ep[i]; in usba_udc_irq()
1847 dev_err(&udc->pdev->dev, in usba_udc_irq()
1853 spin_unlock(&udc->lock); in usba_udc_irq()
1858 static int start_clock(struct usba_udc *udc) in start_clock() argument
1862 if (udc->clocked) in start_clock()
1865 pm_stay_awake(&udc->pdev->dev); in start_clock()
1867 ret = clk_prepare_enable(udc->pclk); in start_clock()
1870 ret = clk_prepare_enable(udc->hclk); in start_clock()
1872 clk_disable_unprepare(udc->pclk); in start_clock()
1876 udc->clocked = true; in start_clock()
1880 static void stop_clock(struct usba_udc *udc) in stop_clock() argument
1882 if (!udc->clocked) in stop_clock()
1885 clk_disable_unprepare(udc->hclk); in stop_clock()
1886 clk_disable_unprepare(udc->pclk); in stop_clock()
1888 udc->clocked = false; in stop_clock()
1890 pm_relax(&udc->pdev->dev); in stop_clock()
1893 static int usba_start(struct usba_udc *udc) in usba_start() argument
1898 ret = start_clock(udc); in usba_start()
1902 if (udc->suspended) in usba_start()
1905 spin_lock_irqsave(&udc->lock, flags); in usba_start()
1906 toggle_bias(udc, 1); in usba_start()
1907 usba_writel(udc, CTRL, USBA_ENABLE_MASK); in usba_start()
1909 usba_writel(udc, INT_ENB, 0); in usba_start()
1910 udc->int_enb_cache = 0; in usba_start()
1911 usba_writel(udc, INT_CLR, in usba_start()
1915 usba_int_enb_set(udc, USBA_END_OF_RESET); in usba_start()
1916 spin_unlock_irqrestore(&udc->lock, flags); in usba_start()
1921 static void usba_stop(struct usba_udc *udc) in usba_stop() argument
1925 if (udc->suspended) in usba_stop()
1928 spin_lock_irqsave(&udc->lock, flags); in usba_stop()
1929 udc->gadget.speed = USB_SPEED_UNKNOWN; in usba_stop()
1930 reset_all_endpoints(udc); in usba_stop()
1933 toggle_bias(udc, 0); in usba_stop()
1934 usba_writel(udc, CTRL, USBA_DISABLE_MASK); in usba_stop()
1935 spin_unlock_irqrestore(&udc->lock, flags); in usba_stop()
1937 stop_clock(udc); in usba_stop()
1942 struct usba_udc *udc = devid; in usba_vbus_irq_thread() local
1948 mutex_lock(&udc->vbus_mutex); in usba_vbus_irq_thread()
1950 vbus = vbus_is_present(udc); in usba_vbus_irq_thread()
1951 if (vbus != udc->vbus_prev) { in usba_vbus_irq_thread()
1953 usba_start(udc); in usba_vbus_irq_thread()
1955 udc->suspended = false; in usba_vbus_irq_thread()
1956 if (udc->driver->disconnect) in usba_vbus_irq_thread()
1957 udc->driver->disconnect(&udc->gadget); in usba_vbus_irq_thread()
1959 usba_stop(udc); in usba_vbus_irq_thread()
1961 udc->vbus_prev = vbus; in usba_vbus_irq_thread()
1964 mutex_unlock(&udc->vbus_mutex); in usba_vbus_irq_thread()
1970 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_pullup() local
1974 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_pullup()
1975 ctrl = usba_readl(udc, CTRL); in atmel_usba_pullup()
1980 usba_writel(udc, CTRL, ctrl); in atmel_usba_pullup()
1981 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_pullup()
1990 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_start() local
1993 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_start()
1994 udc->devstatus = 1 << USB_DEVICE_SELF_POWERED; in atmel_usba_start()
1995 udc->driver = driver; in atmel_usba_start()
1996 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_start()
1998 mutex_lock(&udc->vbus_mutex); in atmel_usba_start()
2000 if (udc->vbus_pin) in atmel_usba_start()
2001 enable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_start()
2004 udc->vbus_prev = vbus_is_present(udc); in atmel_usba_start()
2005 if (udc->vbus_prev) { in atmel_usba_start()
2006 ret = usba_start(udc); in atmel_usba_start()
2011 mutex_unlock(&udc->vbus_mutex); in atmel_usba_start()
2015 if (udc->vbus_pin) in atmel_usba_start()
2016 disable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_start()
2018 mutex_unlock(&udc->vbus_mutex); in atmel_usba_start()
2020 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_start()
2021 udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); in atmel_usba_start()
2022 udc->driver = NULL; in atmel_usba_start()
2023 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_start()
2029 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_stop() local
2031 if (udc->vbus_pin) in atmel_usba_stop()
2032 disable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_stop()
2034 udc->suspended = false; in atmel_usba_stop()
2035 usba_stop(udc); in atmel_usba_stop()
2037 udc->driver = NULL; in atmel_usba_stop()
2042 static void at91sam9rl_toggle_bias(struct usba_udc *udc, int is_on) in at91sam9rl_toggle_bias() argument
2044 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, in at91sam9rl_toggle_bias()
2048 static void at91sam9g45_pulse_bias(struct usba_udc *udc) in at91sam9g45_pulse_bias() argument
2050 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, 0); in at91sam9g45_pulse_bias()
2051 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, in at91sam9g45_pulse_bias()
2119 { .compatible = "atmel,at91sam9rl-udc", .data = &udc_at91sam9rl_cfg },
2120 { .compatible = "atmel,at91sam9g45-udc", .data = &udc_at91sam9g45_cfg },
2121 { .compatible = "atmel,sama5d3-udc", .data = &udc_sama5d3_cfg },
2122 { .compatible = "microchip,sam9x60-udc", .data = &udc_sam9x60_cfg },
2136 struct usba_udc *udc) in atmel_udc_of_init() argument
2150 udc->ep_prealloc = udc_config->ep_prealloc; in atmel_udc_of_init()
2151 udc->errata = udc_config->errata; in atmel_udc_of_init()
2152 if (udc->errata) { in atmel_udc_of_init()
2158 udc->pmc = syscon_node_to_regmap(pp); in atmel_udc_of_init()
2160 if (IS_ERR(udc->pmc)) in atmel_udc_of_init()
2161 return ERR_CAST(udc->pmc); in atmel_udc_of_init()
2164 udc->num_ep = 0; in atmel_udc_of_init()
2166 udc->vbus_pin = devm_gpiod_get_optional(&pdev->dev, "atmel,vbus", in atmel_udc_of_init()
2168 if (IS_ERR(udc->vbus_pin)) in atmel_udc_of_init()
2169 return ERR_CAST(udc->vbus_pin); in atmel_udc_of_init()
2172 udc->num_ep = udc_config->num_ep; in atmel_udc_of_init()
2174 udc->num_ep = usba_config_fifo_table(udc); in atmel_udc_of_init()
2177 eps = devm_kcalloc(&pdev->dev, udc->num_ep, sizeof(struct usba_ep), in atmel_udc_of_init()
2182 udc->gadget.ep0 = &eps[0].ep; in atmel_udc_of_init()
2187 while (i < udc->num_ep) { in atmel_udc_of_init()
2192 ep->index = fifo_mode ? udc->fifo_cfg[i].hw_ep_num : i; in atmel_udc_of_init()
2201 if (ep->fifo_size < udc->fifo_cfg[i].fifo_size) in atmel_udc_of_init()
2205 ep->fifo_size = udc->fifo_cfg[i].fifo_size; in atmel_udc_of_init()
2210 if (ep->nr_banks < udc->fifo_cfg[i].nr_banks) in atmel_udc_of_init()
2214 ep->nr_banks = udc->fifo_cfg[i].nr_banks; in atmel_udc_of_init()
2223 ep->ep_regs = udc->regs + USBA_EPT_BASE(i); in atmel_udc_of_init()
2224 ep->dma_regs = udc->regs + USBA_DMA_BASE(i); in atmel_udc_of_init()
2225 ep->fifo = udc->fifo + USBA_FIFO_BASE(i); in atmel_udc_of_init()
2228 ep->udc = udc; in atmel_udc_of_init()
2258 list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); in atmel_udc_of_init()
2278 struct usba_udc *udc; in usba_udc_probe() local
2281 udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); in usba_udc_probe()
2282 if (!udc) in usba_udc_probe()
2285 udc->gadget = usba_gadget_template; in usba_udc_probe()
2286 INIT_LIST_HEAD(&udc->gadget.ep_list); in usba_udc_probe()
2288 udc->regs = devm_platform_get_and_ioremap_resource(pdev, CTRL_IOMEM_ID, &res); in usba_udc_probe()
2289 if (IS_ERR(udc->regs)) in usba_udc_probe()
2290 return PTR_ERR(udc->regs); in usba_udc_probe()
2292 res, udc->regs); in usba_udc_probe()
2294 udc->fifo = devm_platform_get_and_ioremap_resource(pdev, FIFO_IOMEM_ID, &res); in usba_udc_probe()
2295 if (IS_ERR(udc->fifo)) in usba_udc_probe()
2296 return PTR_ERR(udc->fifo); in usba_udc_probe()
2297 dev_info(&pdev->dev, "FIFO at %pR mapped at %p\n", res, udc->fifo); in usba_udc_probe()
2310 spin_lock_init(&udc->lock); in usba_udc_probe()
2311 mutex_init(&udc->vbus_mutex); in usba_udc_probe()
2312 udc->pdev = pdev; in usba_udc_probe()
2313 udc->pclk = pclk; in usba_udc_probe()
2314 udc->hclk = hclk; in usba_udc_probe()
2316 platform_set_drvdata(pdev, udc); in usba_udc_probe()
2325 usba_writel(udc, CTRL, USBA_DISABLE_MASK); in usba_udc_probe()
2328 udc->usba_ep = atmel_udc_of_init(pdev, udc); in usba_udc_probe()
2330 toggle_bias(udc, 0); in usba_udc_probe()
2332 if (IS_ERR(udc->usba_ep)) in usba_udc_probe()
2333 return PTR_ERR(udc->usba_ep); in usba_udc_probe()
2336 "atmel_usba_udc", udc); in usba_udc_probe()
2342 udc->irq = irq; in usba_udc_probe()
2344 if (udc->vbus_pin) { in usba_udc_probe()
2345 irq_set_status_flags(gpiod_to_irq(udc->vbus_pin), IRQ_NOAUTOEN); in usba_udc_probe()
2347 gpiod_to_irq(udc->vbus_pin), NULL, in usba_udc_probe()
2349 "atmel_usba_udc", udc); in usba_udc_probe()
2351 udc->vbus_pin = NULL; in usba_udc_probe()
2352 dev_warn(&udc->pdev->dev, in usba_udc_probe()
2358 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in usba_udc_probe()
2363 usba_init_debugfs(udc); in usba_udc_probe()
2364 for (i = 1; i < udc->num_ep; i++) in usba_udc_probe()
2365 usba_ep_init_debugfs(udc, &udc->usba_ep[i]); in usba_udc_probe()
2372 struct usba_udc *udc; in usba_udc_remove() local
2375 udc = platform_get_drvdata(pdev); in usba_udc_remove()
2378 usb_del_gadget_udc(&udc->gadget); in usba_udc_remove()
2380 for (i = 1; i < udc->num_ep; i++) in usba_udc_remove()
2381 usba_ep_cleanup_debugfs(&udc->usba_ep[i]); in usba_udc_remove()
2382 usba_cleanup_debugfs(udc); in usba_udc_remove()
2388 struct usba_udc *udc = dev_get_drvdata(dev); in usba_udc_suspend() local
2391 if (!udc->driver) in usba_udc_suspend()
2394 mutex_lock(&udc->vbus_mutex); in usba_udc_suspend()
2397 udc->suspended = false; in usba_udc_suspend()
2398 usba_stop(udc); in usba_udc_suspend()
2406 if (udc->vbus_pin) { in usba_udc_suspend()
2408 usba_stop(udc); in usba_udc_suspend()
2409 enable_irq_wake(gpiod_to_irq(udc->vbus_pin)); in usba_udc_suspend()
2412 enable_irq_wake(udc->irq); in usba_udc_suspend()
2415 mutex_unlock(&udc->vbus_mutex); in usba_udc_suspend()
2421 struct usba_udc *udc = dev_get_drvdata(dev); in usba_udc_resume() local
2424 if (!udc->driver) in usba_udc_resume()
2428 if (udc->vbus_pin) in usba_udc_resume()
2429 disable_irq_wake(gpiod_to_irq(udc->vbus_pin)); in usba_udc_resume()
2431 disable_irq_wake(udc->irq); in usba_udc_resume()
2435 mutex_lock(&udc->vbus_mutex); in usba_udc_resume()
2436 udc->vbus_prev = vbus_is_present(udc); in usba_udc_resume()
2437 if (udc->vbus_prev) in usba_udc_resume()
2438 usba_start(udc); in usba_udc_resume()
2439 mutex_unlock(&udc->vbus_mutex); in usba_udc_resume()
2458 MODULE_DESCRIPTION("Atmel USBA UDC driver");