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
870 spin_lock_irqsave(&udc->lock, flags); in usba_ep_dequeue()
878 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_dequeue()
896 usba_writel(udc, EPT_RST, 1 << ep->index); in usba_ep_dequeue()
912 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_dequeue()
920 struct usba_udc *udc = ep->udc; in usba_ep_set_halt() local
938 spin_lock_irqsave(&udc->lock, flags); in usba_ep_set_halt()
957 spin_unlock_irqrestore(&udc->lock, flags); in usba_ep_set_halt()
972 struct usba_udc *udc = ep->udc; in usba_ep_fifo_flush() local
974 usba_writel(udc, EPT_RST, 1 << ep->index); in usba_ep_fifo_flush()
991 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_get_frame() local
993 return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM)); in usba_udc_get_frame()
998 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_wakeup() local
1003 spin_lock_irqsave(&udc->lock, flags); in usba_udc_wakeup()
1004 if (udc->devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) { in usba_udc_wakeup()
1005 ctrl = usba_readl(udc, CTRL); in usba_udc_wakeup()
1006 usba_writel(udc, CTRL, ctrl | USBA_REMOTE_WAKE_UP); in usba_udc_wakeup()
1009 spin_unlock_irqrestore(&udc->lock, flags); in usba_udc_wakeup()
1017 struct usba_udc *udc = to_usba_udc(gadget); in usba_udc_set_selfpowered() local
1021 spin_lock_irqsave(&udc->lock, flags); in usba_udc_set_selfpowered()
1023 udc->devstatus |= 1 << USB_DEVICE_SELF_POWERED; in usba_udc_set_selfpowered()
1025 udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); in usba_udc_set_selfpowered()
1026 spin_unlock_irqrestore(&udc->lock, flags); in usba_udc_set_selfpowered()
1064 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1070 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1081 if (ep->udc->ep_prealloc) in atmel_usba_match_ep()
1130 * Called with interrupts disabled and udc->lock held.
1132 static void reset_all_endpoints(struct usba_udc *udc) in reset_all_endpoints() argument
1137 usba_writel(udc, EPT_RST, ~0UL); in reset_all_endpoints()
1139 ep = to_usba_ep(udc->gadget.ep0); in reset_all_endpoints()
1146 static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex) in get_ep_by_addr() argument
1151 return to_usba_ep(udc->gadget.ep0); in get_ep_by_addr()
1153 list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) { in get_ep_by_addr()
1169 /* Called with interrupts disabled and udc->lock held */
1170 static inline void set_protocol_stall(struct usba_udc *udc, struct usba_ep *ep) in set_protocol_stall() argument
1176 static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep) in is_stalled() argument
1183 static inline void set_address(struct usba_udc *udc, unsigned int addr) in set_address() argument
1188 regval = usba_readl(udc, CTRL); in set_address()
1190 usba_writel(udc, CTRL, regval); in set_address()
1193 static int do_test_mode(struct usba_udc *udc) in do_test_mode() argument
1211 struct device *dev = &udc->pdev->dev; in do_test_mode()
1214 test_mode = udc->test_mode; in do_test_mode()
1217 reset_all_endpoints(udc); in do_test_mode()
1222 usba_writel(udc, TST, USBA_TST_J_MODE); in do_test_mode()
1227 usba_writel(udc, TST, USBA_TST_K_MODE); in do_test_mode()
1235 ep = &udc->usba_ep[0]; in do_test_mode()
1236 usba_writel(udc, TST, in do_test_mode()
1244 set_protocol_stall(udc, ep); in do_test_mode()
1253 ep = &udc->usba_ep[0]; in do_test_mode()
1260 set_protocol_stall(udc, ep); in do_test_mode()
1264 usba_writel(udc, TST, USBA_TST_PKT_MODE); in do_test_mode()
1301 static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep, in handle_ep0_setup() argument
1311 status = cpu_to_le16(udc->devstatus); in handle_ep0_setup()
1319 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1324 if (is_stalled(udc, target)) in handle_ep0_setup()
1341 udc->devstatus in handle_ep0_setup()
1352 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1364 send_status(udc, ep); in handle_ep0_setup()
1371 send_status(udc, ep); in handle_ep0_setup()
1373 udc->test_mode = le16_to_cpu(crq->wIndex); in handle_ep0_setup()
1376 udc->devstatus |= 1 << USB_DEVICE_REMOTE_WAKEUP; in handle_ep0_setup()
1387 target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex)); in handle_ep0_setup()
1395 send_status(udc, ep); in handle_ep0_setup()
1403 set_address(udc, le16_to_cpu(crq->wValue)); in handle_ep0_setup()
1404 send_status(udc, ep); in handle_ep0_setup()
1410 spin_unlock(&udc->lock); in handle_ep0_setup()
1411 retval = udc->driver->setup(&udc->gadget, crq); in handle_ep0_setup()
1412 spin_lock(&udc->lock); in handle_ep0_setup()
1418 pr_err("udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, " in handle_ep0_setup()
1423 set_protocol_stall(udc, ep); in handle_ep0_setup()
1427 static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_control_irq() argument
1468 usba_writel(udc, CTRL, (usba_readl(udc, CTRL) in usba_control_irq()
1485 if (do_test_mode(udc)) in usba_control_irq()
1486 set_protocol_stall(udc, ep); in usba_control_irq()
1489 pr_err("udc: %s: TXCOMP: Invalid endpoint state %d, " in usba_control_irq()
1492 set_protocol_stall(udc, ep); in usba_control_irq()
1518 pr_err("udc: %s: RXRDY: Invalid endpoint state %d, " in usba_control_irq()
1521 set_protocol_stall(udc, ep); in usba_control_irq()
1563 pr_warn("udc: Invalid packet length %u (expected %zu)\n", in usba_control_irq()
1565 set_protocol_stall(udc, ep); in usba_control_irq()
1597 ret = handle_ep0_setup(udc, ep, &crq.crq); in usba_control_irq()
1599 spin_unlock(&udc->lock); in usba_control_irq()
1600 ret = udc->driver->setup(&udc->gadget, &crq.crq); in usba_control_irq()
1601 spin_lock(&udc->lock); in usba_control_irq()
1610 set_protocol_stall(udc, ep); in usba_control_irq()
1615 static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_ep_irq() argument
1630 dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n"); in usba_ep_irq()
1668 static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep) in usba_dma_irq() argument
1682 dev_err(&udc->pdev->dev, in usba_dma_irq()
1684 dev_err(&udc->pdev->dev, in usba_dma_irq()
1708 static int start_clock(struct usba_udc *udc);
1709 static void stop_clock(struct usba_udc *udc);
1713 struct usba_udc *udc = devid; in usba_udc_irq() local
1718 spin_lock(&udc->lock); in usba_udc_irq()
1720 int_enb = usba_int_enb_get(udc); in usba_udc_irq()
1721 status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED); in usba_udc_irq()
1725 usba_writel(udc, INT_CLR, USBA_DET_SUSPEND|USBA_WAKE_UP); in usba_udc_irq()
1726 usba_int_enb_set(udc, USBA_WAKE_UP); in usba_udc_irq()
1727 usba_int_enb_clear(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1728 udc->suspended = true; in usba_udc_irq()
1729 toggle_bias(udc, 0); in usba_udc_irq()
1730 udc->bias_pulse_needed = true; in usba_udc_irq()
1731 stop_clock(udc); in usba_udc_irq()
1733 if (udc->gadget.speed != USB_SPEED_UNKNOWN in usba_udc_irq()
1734 && udc->driver && udc->driver->suspend) { in usba_udc_irq()
1735 spin_unlock(&udc->lock); in usba_udc_irq()
1736 udc->driver->suspend(&udc->gadget); in usba_udc_irq()
1737 spin_lock(&udc->lock); in usba_udc_irq()
1742 start_clock(udc); in usba_udc_irq()
1743 toggle_bias(udc, 1); in usba_udc_irq()
1744 usba_writel(udc, INT_CLR, USBA_WAKE_UP); in usba_udc_irq()
1749 udc->suspended = false; in usba_udc_irq()
1750 usba_writel(udc, INT_CLR, USBA_END_OF_RESUME); in usba_udc_irq()
1751 usba_int_enb_clear(udc, USBA_WAKE_UP); in usba_udc_irq()
1752 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1753 generate_bias_pulse(udc); in usba_udc_irq()
1755 if (udc->gadget.speed != USB_SPEED_UNKNOWN in usba_udc_irq()
1756 && udc->driver && udc->driver->resume) { in usba_udc_irq()
1757 spin_unlock(&udc->lock); in usba_udc_irq()
1758 udc->driver->resume(&udc->gadget); in usba_udc_irq()
1759 spin_lock(&udc->lock); in usba_udc_irq()
1767 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1771 usba_dma_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1778 usba_int_enb_set(udc, USBA_DET_SUSPEND); in usba_udc_irq()
1780 for (i = 0; i < udc->num_ep; i++) in usba_udc_irq()
1782 if (ep_is_control(&udc->usba_ep[i])) in usba_udc_irq()
1783 usba_control_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1785 usba_ep_irq(udc, &udc->usba_ep[i]); in usba_udc_irq()
1793 usba_writel(udc, INT_CLR, in usba_udc_irq()
1796 generate_bias_pulse(udc); in usba_udc_irq()
1797 reset_all_endpoints(udc); in usba_udc_irq()
1799 if (udc->gadget.speed != USB_SPEED_UNKNOWN && udc->driver) { in usba_udc_irq()
1800 udc->gadget.speed = USB_SPEED_UNKNOWN; in usba_udc_irq()
1801 spin_unlock(&udc->lock); in usba_udc_irq()
1802 usb_gadget_udc_reset(&udc->gadget, udc->driver); in usba_udc_irq()
1803 spin_lock(&udc->lock); in usba_udc_irq()
1807 udc->gadget.speed = USB_SPEED_HIGH; in usba_udc_irq()
1809 udc->gadget.speed = USB_SPEED_FULL; in usba_udc_irq()
1811 usb_speed_string(udc->gadget.speed)); in usba_udc_irq()
1813 ep0 = &udc->usba_ep[0]; in usba_udc_irq()
1824 udc->suspended = false; in usba_udc_irq()
1825 usba_int_enb_clear(udc, USBA_WAKE_UP); in usba_udc_irq()
1827 usba_int_enb_set(udc, USBA_BF(EPT_INT, 1) | in usba_udc_irq()
1835 dev_err(&udc->pdev->dev, in usba_udc_irq()
1839 for (i = 1; i < udc->num_ep; i++) { in usba_udc_irq()
1840 ep = &udc->usba_ep[i]; in usba_udc_irq()
1844 dev_err(&udc->pdev->dev, in usba_udc_irq()
1850 spin_unlock(&udc->lock); in usba_udc_irq()
1855 static int start_clock(struct usba_udc *udc) in start_clock() argument
1859 if (udc->clocked) in start_clock()
1862 pm_stay_awake(&udc->pdev->dev); in start_clock()
1864 ret = clk_prepare_enable(udc->pclk); in start_clock()
1867 ret = clk_prepare_enable(udc->hclk); in start_clock()
1869 clk_disable_unprepare(udc->pclk); in start_clock()
1873 udc->clocked = true; in start_clock()
1877 static void stop_clock(struct usba_udc *udc) in stop_clock() argument
1879 if (!udc->clocked) in stop_clock()
1882 clk_disable_unprepare(udc->hclk); in stop_clock()
1883 clk_disable_unprepare(udc->pclk); in stop_clock()
1885 udc->clocked = false; in stop_clock()
1887 pm_relax(&udc->pdev->dev); in stop_clock()
1890 static int usba_start(struct usba_udc *udc) in usba_start() argument
1895 ret = start_clock(udc); in usba_start()
1899 if (udc->suspended) in usba_start()
1902 spin_lock_irqsave(&udc->lock, flags); in usba_start()
1903 toggle_bias(udc, 1); in usba_start()
1904 usba_writel(udc, CTRL, USBA_ENABLE_MASK); in usba_start()
1906 usba_writel(udc, INT_ENB, 0); in usba_start()
1907 udc->int_enb_cache = 0; in usba_start()
1908 usba_writel(udc, INT_CLR, in usba_start()
1912 usba_int_enb_set(udc, USBA_END_OF_RESET); in usba_start()
1913 spin_unlock_irqrestore(&udc->lock, flags); in usba_start()
1918 static void usba_stop(struct usba_udc *udc) in usba_stop() argument
1922 if (udc->suspended) in usba_stop()
1925 spin_lock_irqsave(&udc->lock, flags); in usba_stop()
1926 udc->gadget.speed = USB_SPEED_UNKNOWN; in usba_stop()
1927 reset_all_endpoints(udc); in usba_stop()
1930 toggle_bias(udc, 0); in usba_stop()
1931 usba_writel(udc, CTRL, USBA_DISABLE_MASK); in usba_stop()
1932 spin_unlock_irqrestore(&udc->lock, flags); in usba_stop()
1934 stop_clock(udc); in usba_stop()
1939 struct usba_udc *udc = devid; in usba_vbus_irq_thread() local
1945 mutex_lock(&udc->vbus_mutex); in usba_vbus_irq_thread()
1947 vbus = vbus_is_present(udc); in usba_vbus_irq_thread()
1948 if (vbus != udc->vbus_prev) { in usba_vbus_irq_thread()
1950 usba_start(udc); in usba_vbus_irq_thread()
1952 udc->suspended = false; in usba_vbus_irq_thread()
1953 if (udc->driver->disconnect) in usba_vbus_irq_thread()
1954 udc->driver->disconnect(&udc->gadget); in usba_vbus_irq_thread()
1956 usba_stop(udc); in usba_vbus_irq_thread()
1958 udc->vbus_prev = vbus; in usba_vbus_irq_thread()
1961 mutex_unlock(&udc->vbus_mutex); in usba_vbus_irq_thread()
1967 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_pullup() local
1971 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_pullup()
1972 ctrl = usba_readl(udc, CTRL); in atmel_usba_pullup()
1977 usba_writel(udc, CTRL, ctrl); in atmel_usba_pullup()
1978 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_pullup()
1987 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_start() local
1990 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_start()
1991 udc->devstatus = 1 << USB_DEVICE_SELF_POWERED; in atmel_usba_start()
1992 udc->driver = driver; in atmel_usba_start()
1993 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_start()
1995 mutex_lock(&udc->vbus_mutex); in atmel_usba_start()
1997 if (udc->vbus_pin) in atmel_usba_start()
1998 enable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_start()
2001 udc->vbus_prev = vbus_is_present(udc); in atmel_usba_start()
2002 if (udc->vbus_prev) { in atmel_usba_start()
2003 ret = usba_start(udc); in atmel_usba_start()
2008 mutex_unlock(&udc->vbus_mutex); in atmel_usba_start()
2012 if (udc->vbus_pin) in atmel_usba_start()
2013 disable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_start()
2015 mutex_unlock(&udc->vbus_mutex); in atmel_usba_start()
2017 spin_lock_irqsave(&udc->lock, flags); in atmel_usba_start()
2018 udc->devstatus &= ~(1 << USB_DEVICE_SELF_POWERED); in atmel_usba_start()
2019 udc->driver = NULL; in atmel_usba_start()
2020 spin_unlock_irqrestore(&udc->lock, flags); in atmel_usba_start()
2026 struct usba_udc *udc = container_of(gadget, struct usba_udc, gadget); in atmel_usba_stop() local
2028 if (udc->vbus_pin) in atmel_usba_stop()
2029 disable_irq(gpiod_to_irq(udc->vbus_pin)); in atmel_usba_stop()
2031 udc->suspended = false; in atmel_usba_stop()
2032 usba_stop(udc); in atmel_usba_stop()
2034 udc->driver = NULL; in atmel_usba_stop()
2039 static void at91sam9rl_toggle_bias(struct usba_udc *udc, int is_on) in at91sam9rl_toggle_bias() argument
2041 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, in at91sam9rl_toggle_bias()
2045 static void at91sam9g45_pulse_bias(struct usba_udc *udc) in at91sam9g45_pulse_bias() argument
2047 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, 0); in at91sam9g45_pulse_bias()
2048 regmap_update_bits(udc->pmc, AT91_CKGR_UCKR, AT91_PMC_BIASEN, in at91sam9g45_pulse_bias()
2116 { .compatible = "atmel,at91sam9rl-udc", .data = &udc_at91sam9rl_cfg },
2117 { .compatible = "atmel,at91sam9g45-udc", .data = &udc_at91sam9g45_cfg },
2118 { .compatible = "atmel,sama5d3-udc", .data = &udc_sama5d3_cfg },
2119 { .compatible = "microchip,sam9x60-udc", .data = &udc_sam9x60_cfg },
2133 struct usba_udc *udc) in atmel_udc_of_init() argument
2147 udc->ep_prealloc = udc_config->ep_prealloc; in atmel_udc_of_init()
2148 udc->errata = udc_config->errata; in atmel_udc_of_init()
2149 if (udc->errata) { in atmel_udc_of_init()
2155 udc->pmc = syscon_node_to_regmap(pp); in atmel_udc_of_init()
2157 if (IS_ERR(udc->pmc)) in atmel_udc_of_init()
2158 return ERR_CAST(udc->pmc); in atmel_udc_of_init()
2161 udc->num_ep = 0; in atmel_udc_of_init()
2163 udc->vbus_pin = devm_gpiod_get_optional(&pdev->dev, "atmel,vbus", in atmel_udc_of_init()
2167 udc->num_ep = udc_config->num_ep; in atmel_udc_of_init()
2169 udc->num_ep = usba_config_fifo_table(udc); in atmel_udc_of_init()
2172 eps = devm_kcalloc(&pdev->dev, udc->num_ep, sizeof(struct usba_ep), in atmel_udc_of_init()
2177 udc->gadget.ep0 = &eps[0].ep; in atmel_udc_of_init()
2182 while (i < udc->num_ep) { in atmel_udc_of_init()
2187 ep->index = fifo_mode ? udc->fifo_cfg[i].hw_ep_num : i; in atmel_udc_of_init()
2196 if (ep->fifo_size < udc->fifo_cfg[i].fifo_size) in atmel_udc_of_init()
2200 ep->fifo_size = udc->fifo_cfg[i].fifo_size; in atmel_udc_of_init()
2205 if (ep->nr_banks < udc->fifo_cfg[i].nr_banks) in atmel_udc_of_init()
2209 ep->nr_banks = udc->fifo_cfg[i].nr_banks; in atmel_udc_of_init()
2218 ep->ep_regs = udc->regs + USBA_EPT_BASE(i); in atmel_udc_of_init()
2219 ep->dma_regs = udc->regs + USBA_DMA_BASE(i); in atmel_udc_of_init()
2220 ep->fifo = udc->fifo + USBA_FIFO_BASE(i); in atmel_udc_of_init()
2223 ep->udc = udc; in atmel_udc_of_init()
2253 list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list); in atmel_udc_of_init()
2273 struct usba_udc *udc; in usba_udc_probe() local
2276 udc = devm_kzalloc(&pdev->dev, sizeof(*udc), GFP_KERNEL); in usba_udc_probe()
2277 if (!udc) in usba_udc_probe()
2280 udc->gadget = usba_gadget_template; in usba_udc_probe()
2281 INIT_LIST_HEAD(&udc->gadget.ep_list); in usba_udc_probe()
2284 udc->regs = devm_ioremap_resource(&pdev->dev, res); in usba_udc_probe()
2285 if (IS_ERR(udc->regs)) in usba_udc_probe()
2286 return PTR_ERR(udc->regs); in usba_udc_probe()
2288 res, udc->regs); in usba_udc_probe()
2291 udc->fifo = devm_ioremap_resource(&pdev->dev, res); in usba_udc_probe()
2292 if (IS_ERR(udc->fifo)) in usba_udc_probe()
2293 return PTR_ERR(udc->fifo); in usba_udc_probe()
2294 dev_info(&pdev->dev, "FIFO at %pR mapped at %p\n", res, udc->fifo); in usba_udc_probe()
2307 spin_lock_init(&udc->lock); in usba_udc_probe()
2308 mutex_init(&udc->vbus_mutex); in usba_udc_probe()
2309 udc->pdev = pdev; in usba_udc_probe()
2310 udc->pclk = pclk; in usba_udc_probe()
2311 udc->hclk = hclk; in usba_udc_probe()
2313 platform_set_drvdata(pdev, udc); in usba_udc_probe()
2322 usba_writel(udc, CTRL, USBA_DISABLE_MASK); in usba_udc_probe()
2325 udc->usba_ep = atmel_udc_of_init(pdev, udc); in usba_udc_probe()
2327 toggle_bias(udc, 0); in usba_udc_probe()
2329 if (IS_ERR(udc->usba_ep)) in usba_udc_probe()
2330 return PTR_ERR(udc->usba_ep); in usba_udc_probe()
2333 "atmel_usba_udc", udc); in usba_udc_probe()
2339 udc->irq = irq; in usba_udc_probe()
2341 if (udc->vbus_pin) { in usba_udc_probe()
2342 irq_set_status_flags(gpiod_to_irq(udc->vbus_pin), IRQ_NOAUTOEN); in usba_udc_probe()
2344 gpiod_to_irq(udc->vbus_pin), NULL, in usba_udc_probe()
2346 "atmel_usba_udc", udc); in usba_udc_probe()
2348 udc->vbus_pin = NULL; in usba_udc_probe()
2349 dev_warn(&udc->pdev->dev, in usba_udc_probe()
2355 ret = usb_add_gadget_udc(&pdev->dev, &udc->gadget); in usba_udc_probe()
2360 usba_init_debugfs(udc); in usba_udc_probe()
2361 for (i = 1; i < udc->num_ep; i++) in usba_udc_probe()
2362 usba_ep_init_debugfs(udc, &udc->usba_ep[i]); in usba_udc_probe()
2369 struct usba_udc *udc; in usba_udc_remove() local
2372 udc = platform_get_drvdata(pdev); in usba_udc_remove()
2375 usb_del_gadget_udc(&udc->gadget); in usba_udc_remove()
2377 for (i = 1; i < udc->num_ep; i++) in usba_udc_remove()
2378 usba_ep_cleanup_debugfs(&udc->usba_ep[i]); in usba_udc_remove()
2379 usba_cleanup_debugfs(udc); in usba_udc_remove()
2387 struct usba_udc *udc = dev_get_drvdata(dev); in usba_udc_suspend() local
2390 if (!udc->driver) in usba_udc_suspend()
2393 mutex_lock(&udc->vbus_mutex); in usba_udc_suspend()
2396 udc->suspended = false; in usba_udc_suspend()
2397 usba_stop(udc); in usba_udc_suspend()
2405 if (udc->vbus_pin) { in usba_udc_suspend()
2407 usba_stop(udc); in usba_udc_suspend()
2408 enable_irq_wake(gpiod_to_irq(udc->vbus_pin)); in usba_udc_suspend()
2411 enable_irq_wake(udc->irq); in usba_udc_suspend()
2414 mutex_unlock(&udc->vbus_mutex); in usba_udc_suspend()
2420 struct usba_udc *udc = dev_get_drvdata(dev); in usba_udc_resume() local
2423 if (!udc->driver) in usba_udc_resume()
2427 if (udc->vbus_pin) in usba_udc_resume()
2428 disable_irq_wake(gpiod_to_irq(udc->vbus_pin)); in usba_udc_resume()
2430 disable_irq_wake(udc->irq); in usba_udc_resume()
2434 mutex_lock(&udc->vbus_mutex); in usba_udc_resume()
2435 udc->vbus_prev = vbus_is_present(udc); in usba_udc_resume()
2436 if (udc->vbus_prev) in usba_udc_resume()
2437 usba_start(udc); in usba_udc_resume()
2438 mutex_unlock(&udc->vbus_mutex); in usba_udc_resume()
2457 MODULE_DESCRIPTION("Atmel USBA UDC driver");