4 #ifdef CONFIG_ARCH_SUNXI
5 #include <asm/arch/usb_phy.h>
7 #include <linux/errno.h>
8 #include <linux/usb/ch9.h>
9 #include <linux/usb/gadget.h>
12 #include "linux-compat.h"
13 #include "usb-compat.h"
14 #include "musb_core.h"
15 #include "musb_host.h"
16 #include "musb_gadget.h"
17 #include "musb_uboot.h"
19 #ifdef CONFIG_USB_MUSB_HOST
21 struct usb_host_endpoint hep;
26 struct musb_host_data musb_host;
29 static void musb_host_complete_urb(struct urb *urb)
31 urb->dev->status &= ~USB_ST_NOT_PROC;
32 urb->dev->act_len = urb->actual_length;
35 static void construct_urb(struct urb *urb, struct usb_host_endpoint *hep,
36 struct usb_device *dev, int endpoint_type,
37 unsigned long pipe, void *buffer, int len,
38 struct devrequest *setup, int interval)
40 int epnum = usb_pipeendpoint(pipe);
41 int is_in = usb_pipein(pipe);
43 memset(urb, 0, sizeof(struct urb));
44 memset(hep, 0, sizeof(struct usb_host_endpoint));
45 INIT_LIST_HEAD(&hep->urb_list);
46 INIT_LIST_HEAD(&urb->urb_list);
48 urb->complete = musb_host_complete_urb;
49 urb->status = -EINPROGRESS;
52 urb->transfer_buffer = buffer;
53 urb->transfer_dma = (unsigned long)buffer;
54 urb->transfer_buffer_length = len;
55 urb->setup_packet = (unsigned char *)setup;
57 urb->ep->desc.wMaxPacketSize =
58 __cpu_to_le16(is_in ? dev->epmaxpacketin[epnum] :
59 dev->epmaxpacketout[epnum]);
60 urb->ep->desc.bmAttributes = endpoint_type;
61 urb->ep->desc.bEndpointAddress =
62 (is_in ? USB_DIR_IN : USB_DIR_OUT) | epnum;
63 urb->ep->desc.bInterval = interval;
66 static int submit_urb(struct usb_hcd *hcd, struct urb *urb)
68 struct musb *host = hcd->hcd_priv;
70 unsigned long timeout;
72 ret = musb_urb_enqueue(hcd, urb, 0);
74 printf("Failed to enqueue URB to controller\n");
78 timeout = get_timer(0) + USB_TIMEOUT_MS(urb->pipe);
83 } while (urb->status == -EINPROGRESS &&
84 get_timer(0) < timeout);
86 if (urb->status == -EINPROGRESS)
87 musb_urb_dequeue(hcd, urb, -ETIME);
92 static int _musb_submit_control_msg(struct musb_host_data *host,
93 struct usb_device *dev, unsigned long pipe,
94 void *buffer, int len, struct devrequest *setup)
96 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_CONTROL,
97 pipe, buffer, len, setup, 0);
99 /* Fix speed for non hub-attached devices */
100 if (!usb_dev_get_parent(dev))
101 dev->speed = host->host_speed;
103 return submit_urb(&host->hcd, &host->urb);
106 static int _musb_submit_bulk_msg(struct musb_host_data *host,
107 struct usb_device *dev, unsigned long pipe, void *buffer, int len)
109 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_BULK,
110 pipe, buffer, len, NULL, 0);
111 return submit_urb(&host->hcd, &host->urb);
114 static int _musb_submit_int_msg(struct musb_host_data *host,
115 struct usb_device *dev, unsigned long pipe,
116 void *buffer, int len, int interval)
118 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_INT, pipe,
119 buffer, len, NULL, interval);
120 return submit_urb(&host->hcd, &host->urb);
123 static struct int_queue *_musb_create_int_queue(struct musb_host_data *host,
124 struct usb_device *dev, unsigned long pipe, int queuesize,
125 int elementsize, void *buffer, int interval)
127 struct int_queue *queue;
128 int ret, index = usb_pipein(pipe) * 16 + usb_pipeendpoint(pipe);
130 if (queuesize != 1) {
131 printf("ERROR musb int-queues only support queuesize 1\n");
135 if (dev->int_pending & (1 << index)) {
136 printf("ERROR int-urb is already pending on pipe %lx\n", pipe);
140 queue = malloc(sizeof(*queue));
144 construct_urb(&queue->urb, &queue->hep, dev, USB_ENDPOINT_XFER_INT,
145 pipe, buffer, elementsize, NULL, interval);
147 ret = musb_urb_enqueue(&host->hcd, &queue->urb, 0);
149 printf("Failed to enqueue URB to controller\n");
154 dev->int_pending |= 1 << index;
158 static int _musb_destroy_int_queue(struct musb_host_data *host,
159 struct usb_device *dev, struct int_queue *queue)
161 int index = usb_pipein(queue->urb.pipe) * 16 +
162 usb_pipeendpoint(queue->urb.pipe);
164 if (queue->urb.status == -EINPROGRESS)
165 musb_urb_dequeue(&host->hcd, &queue->urb, -ETIME);
167 dev->int_pending &= ~(1 << index);
172 static void *_musb_poll_int_queue(struct musb_host_data *host,
173 struct usb_device *dev, struct int_queue *queue)
175 if (queue->urb.status != -EINPROGRESS)
176 return NULL; /* URB has already completed in a prev. poll */
178 host->host->isr(0, host->host);
180 if (queue->urb.status != -EINPROGRESS)
181 return queue->urb.transfer_buffer; /* Done */
183 return NULL; /* URB still pending */
186 static int _musb_reset_root_port(struct musb_host_data *host,
187 struct usb_device *dev)
189 void *mbase = host->host->mregs;
192 power = musb_readb(mbase, MUSB_POWER);
194 musb_writeb(mbase, MUSB_POWER, MUSB_POWER_RESET | power);
196 #ifdef CONFIG_ARCH_SUNXI
198 * sunxi phy has a bug and it will wrongly detect high speed squelch
199 * when clearing reset on low-speed devices, temporary disable
200 * squelch detection to work around this.
202 sunxi_usb_phy_enable_squelch_detect(0, 0);
204 power = musb_readb(mbase, MUSB_POWER);
205 musb_writeb(mbase, MUSB_POWER, ~MUSB_POWER_RESET & power);
206 #ifdef CONFIG_ARCH_SUNXI
207 sunxi_usb_phy_enable_squelch_detect(0, 1);
209 host->host->isr(0, host->host);
210 host->host_speed = (musb_readb(mbase, MUSB_POWER) & MUSB_POWER_HSMODE) ?
212 (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_FSDEV) ?
213 USB_SPEED_FULL : USB_SPEED_LOW;
214 mdelay((host->host_speed == USB_SPEED_LOW) ? 200 : 50);
219 int musb_lowlevel_init(struct musb_host_data *host)
222 /* USB spec says it may take up to 1 second for a device to connect */
223 unsigned long timeout = get_timer(0) + 1000;
227 printf("MUSB host is not registered\n");
231 ret = musb_start(host->host);
235 mbase = host->host->mregs;
237 if (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_HM)
239 } while (get_timer(0) < timeout);
240 if (get_timer(0) >= timeout) {
241 musb_stop(host->host);
245 _musb_reset_root_port(host, NULL);
246 host->host->is_active = 1;
247 host->hcd.hcd_priv = host->host;
252 #ifndef CONFIG_DM_USB
253 int usb_lowlevel_stop(int index)
255 if (!musb_host.host) {
256 printf("MUSB host is not registered\n");
260 musb_stop(musb_host.host);
264 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
265 void *buffer, int length)
267 return _musb_submit_bulk_msg(&musb_host, dev, pipe, buffer, length);
270 int submit_control_msg(struct usb_device *dev, unsigned long pipe,
271 void *buffer, int length, struct devrequest *setup)
273 return _musb_submit_control_msg(&musb_host, dev, pipe, buffer, length, setup);
276 int submit_int_msg(struct usb_device *dev, unsigned long pipe,
277 void *buffer, int length, int interval)
279 return _musb_submit_int_msg(&musb_host, dev, pipe, buffer, length, interval);
282 struct int_queue *create_int_queue(struct usb_device *dev,
283 unsigned long pipe, int queuesize, int elementsize,
284 void *buffer, int interval)
286 return _musb_create_int_queue(&musb_host, dev, pipe, queuesize, elementsize,
290 void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
292 return _musb_poll_int_queue(&musb_host, dev, queue);
295 int destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
297 return _musb_destroy_int_queue(&musb_host, dev, queue);
300 int usb_reset_root_port(struct usb_device *dev)
302 return _musb_reset_root_port(&musb_host, dev);
305 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
307 return musb_lowlevel_init(&musb_host);
309 #endif /* !CONFIG_DM_USB */
312 static int musb_submit_control_msg(struct udevice *dev, struct usb_device *udev,
313 unsigned long pipe, void *buffer, int length,
314 struct devrequest *setup)
316 struct musb_host_data *host = dev_get_priv(dev);
317 return _musb_submit_control_msg(host, udev, pipe, buffer, length, setup);
320 static int musb_submit_bulk_msg(struct udevice *dev, struct usb_device *udev,
321 unsigned long pipe, void *buffer, int length)
323 struct musb_host_data *host = dev_get_priv(dev);
324 return _musb_submit_bulk_msg(host, udev, pipe, buffer, length);
327 static int musb_submit_int_msg(struct udevice *dev, struct usb_device *udev,
328 unsigned long pipe, void *buffer, int length,
331 struct musb_host_data *host = dev_get_priv(dev);
332 return _musb_submit_int_msg(host, udev, pipe, buffer, length, interval);
335 static struct int_queue *musb_create_int_queue(struct udevice *dev,
336 struct usb_device *udev, unsigned long pipe, int queuesize,
337 int elementsize, void *buffer, int interval)
339 struct musb_host_data *host = dev_get_priv(dev);
340 return _musb_create_int_queue(host, udev, pipe, queuesize, elementsize,
344 static void *musb_poll_int_queue(struct udevice *dev, struct usb_device *udev,
345 struct int_queue *queue)
347 struct musb_host_data *host = dev_get_priv(dev);
348 return _musb_poll_int_queue(host, udev, queue);
351 static int musb_destroy_int_queue(struct udevice *dev, struct usb_device *udev,
352 struct int_queue *queue)
354 struct musb_host_data *host = dev_get_priv(dev);
355 return _musb_destroy_int_queue(host, udev, queue);
358 static int musb_reset_root_port(struct udevice *dev, struct usb_device *udev)
360 struct musb_host_data *host = dev_get_priv(dev);
361 return _musb_reset_root_port(host, udev);
364 struct dm_usb_ops musb_usb_ops = {
365 .control = musb_submit_control_msg,
366 .bulk = musb_submit_bulk_msg,
367 .interrupt = musb_submit_int_msg,
368 .create_int_queue = musb_create_int_queue,
369 .poll_int_queue = musb_poll_int_queue,
370 .destroy_int_queue = musb_destroy_int_queue,
371 .reset_root_port = musb_reset_root_port,
373 #endif /* CONFIG_DM_USB */
374 #endif /* CONFIG_USB_MUSB_HOST */
376 #ifdef CONFIG_USB_MUSB_GADGET
377 static struct musb *gadget;
379 int usb_gadget_handle_interrupts(int index)
382 if (!gadget || !gadget->isr)
385 return gadget->isr(0, gadget);
388 int usb_gadget_register_driver(struct usb_gadget_driver *driver)
392 if (!driver || driver->speed < USB_SPEED_FULL || !driver->bind ||
394 printf("bad parameter.\n");
399 printf("Controller uninitialized\n");
403 ret = musb_gadget_start(&gadget->g, driver);
405 printf("gadget_start failed with %d\n", ret);
409 ret = driver->bind(&gadget->g);
411 printf("bind failed with %d\n", ret);
418 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
420 if (driver->disconnect)
421 driver->disconnect(&gadget->g);
423 driver->unbind(&gadget->g);
426 #endif /* CONFIG_USB_MUSB_GADGET */
428 int musb_register(struct musb_hdrc_platform_data *plat, void *bdata,
433 switch (plat->mode) {
434 #if defined(CONFIG_USB_MUSB_HOST) && !defined(CONFIG_DM_USB)
436 musbp = &musb_host.host;
439 #ifdef CONFIG_USB_MUSB_GADGET
440 case MUSB_PERIPHERAL:
448 *musbp = musb_init_controller(plat, (struct device *)bdata, ctl_regs);
450 printf("Failed to init the controller\n");