3 #ifdef CONFIG_ARCH_SUNXI
4 #include <asm/arch/usb_phy.h>
7 #include <linux/usb/ch9.h>
8 #include <linux/usb/gadget.h>
11 #include "linux-compat.h"
12 #include "usb-compat.h"
13 #include "musb_core.h"
14 #include "musb_host.h"
15 #include "musb_gadget.h"
16 #include "musb_uboot.h"
18 #ifdef CONFIG_USB_MUSB_HOST
20 struct usb_host_endpoint hep;
25 struct musb_host_data musb_host;
28 static void musb_host_complete_urb(struct urb *urb)
30 urb->dev->status &= ~USB_ST_NOT_PROC;
31 urb->dev->act_len = urb->actual_length;
34 static void construct_urb(struct urb *urb, struct usb_host_endpoint *hep,
35 struct usb_device *dev, int endpoint_type,
36 unsigned long pipe, void *buffer, int len,
37 struct devrequest *setup, int interval)
39 int epnum = usb_pipeendpoint(pipe);
40 int is_in = usb_pipein(pipe);
42 memset(urb, 0, sizeof(struct urb));
43 memset(hep, 0, sizeof(struct usb_host_endpoint));
44 INIT_LIST_HEAD(&hep->urb_list);
45 INIT_LIST_HEAD(&urb->urb_list);
47 urb->complete = musb_host_complete_urb;
48 urb->status = -EINPROGRESS;
51 urb->transfer_buffer = buffer;
52 urb->transfer_dma = (unsigned long)buffer;
53 urb->transfer_buffer_length = len;
54 urb->setup_packet = (unsigned char *)setup;
56 urb->ep->desc.wMaxPacketSize =
57 __cpu_to_le16(is_in ? dev->epmaxpacketin[epnum] :
58 dev->epmaxpacketout[epnum]);
59 urb->ep->desc.bmAttributes = endpoint_type;
60 urb->ep->desc.bEndpointAddress =
61 (is_in ? USB_DIR_IN : USB_DIR_OUT) | epnum;
62 urb->ep->desc.bInterval = interval;
65 static int submit_urb(struct usb_hcd *hcd, struct urb *urb)
67 struct musb *host = hcd->hcd_priv;
69 unsigned long timeout;
71 ret = musb_urb_enqueue(hcd, urb, 0);
73 printf("Failed to enqueue URB to controller\n");
77 timeout = get_timer(0) + USB_TIMEOUT_MS(urb->pipe);
82 } while (urb->status == -EINPROGRESS &&
83 get_timer(0) < timeout);
85 if (urb->status == -EINPROGRESS)
86 musb_urb_dequeue(hcd, urb, -ETIME);
91 static int _musb_submit_control_msg(struct musb_host_data *host,
92 struct usb_device *dev, unsigned long pipe,
93 void *buffer, int len, struct devrequest *setup)
95 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_CONTROL,
96 pipe, buffer, len, setup, 0);
98 /* Fix speed for non hub-attached devices */
99 if (!usb_dev_get_parent(dev))
100 dev->speed = host->host_speed;
102 return submit_urb(&host->hcd, &host->urb);
105 static int _musb_submit_bulk_msg(struct musb_host_data *host,
106 struct usb_device *dev, unsigned long pipe, void *buffer, int len)
108 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_BULK,
109 pipe, buffer, len, NULL, 0);
110 return submit_urb(&host->hcd, &host->urb);
113 static int _musb_submit_int_msg(struct musb_host_data *host,
114 struct usb_device *dev, unsigned long pipe,
115 void *buffer, int len, int interval)
117 construct_urb(&host->urb, &host->hep, dev, USB_ENDPOINT_XFER_INT, pipe,
118 buffer, len, NULL, interval);
119 return submit_urb(&host->hcd, &host->urb);
122 static struct int_queue *_musb_create_int_queue(struct musb_host_data *host,
123 struct usb_device *dev, unsigned long pipe, int queuesize,
124 int elementsize, void *buffer, int interval)
126 struct int_queue *queue;
127 int ret, index = usb_pipein(pipe) * 16 + usb_pipeendpoint(pipe);
129 if (queuesize != 1) {
130 printf("ERROR musb int-queues only support queuesize 1\n");
134 if (dev->int_pending & (1 << index)) {
135 printf("ERROR int-urb is already pending on pipe %lx\n", pipe);
139 queue = malloc(sizeof(*queue));
143 construct_urb(&queue->urb, &queue->hep, dev, USB_ENDPOINT_XFER_INT,
144 pipe, buffer, elementsize, NULL, interval);
146 ret = musb_urb_enqueue(&host->hcd, &queue->urb, 0);
148 printf("Failed to enqueue URB to controller\n");
153 dev->int_pending |= 1 << index;
157 static int _musb_destroy_int_queue(struct musb_host_data *host,
158 struct usb_device *dev, struct int_queue *queue)
160 int index = usb_pipein(queue->urb.pipe) * 16 +
161 usb_pipeendpoint(queue->urb.pipe);
163 if (queue->urb.status == -EINPROGRESS)
164 musb_urb_dequeue(&host->hcd, &queue->urb, -ETIME);
166 dev->int_pending &= ~(1 << index);
171 static void *_musb_poll_int_queue(struct musb_host_data *host,
172 struct usb_device *dev, struct int_queue *queue)
174 if (queue->urb.status != -EINPROGRESS)
175 return NULL; /* URB has already completed in a prev. poll */
177 host->host->isr(0, host->host);
179 if (queue->urb.status != -EINPROGRESS)
180 return queue->urb.transfer_buffer; /* Done */
182 return NULL; /* URB still pending */
185 static int _musb_reset_root_port(struct musb_host_data *host,
186 struct usb_device *dev)
188 void *mbase = host->host->mregs;
191 power = musb_readb(mbase, MUSB_POWER);
193 musb_writeb(mbase, MUSB_POWER, MUSB_POWER_RESET | power);
195 #ifdef CONFIG_ARCH_SUNXI
197 * sunxi phy has a bug and it will wrongly detect high speed squelch
198 * when clearing reset on low-speed devices, temporary disable
199 * squelch detection to work around this.
201 sunxi_usb_phy_enable_squelch_detect(0, 0);
203 power = musb_readb(mbase, MUSB_POWER);
204 musb_writeb(mbase, MUSB_POWER, ~MUSB_POWER_RESET & power);
205 #ifdef CONFIG_ARCH_SUNXI
206 sunxi_usb_phy_enable_squelch_detect(0, 1);
208 host->host->isr(0, host->host);
209 host->host_speed = (musb_readb(mbase, MUSB_POWER) & MUSB_POWER_HSMODE) ?
211 (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_FSDEV) ?
212 USB_SPEED_FULL : USB_SPEED_LOW;
213 mdelay((host->host_speed == USB_SPEED_LOW) ? 200 : 50);
218 int musb_lowlevel_init(struct musb_host_data *host)
221 /* USB spec says it may take up to 1 second for a device to connect */
222 unsigned long timeout = get_timer(0) + 1000;
226 printf("MUSB host is not registered\n");
230 ret = musb_start(host->host);
234 mbase = host->host->mregs;
236 if (musb_readb(mbase, MUSB_DEVCTL) & MUSB_DEVCTL_HM)
238 } while (get_timer(0) < timeout);
239 if (get_timer(0) >= timeout)
242 _musb_reset_root_port(host, NULL);
243 host->host->is_active = 1;
244 host->hcd.hcd_priv = host->host;
249 #ifndef CONFIG_DM_USB
250 int usb_lowlevel_stop(int index)
252 if (!musb_host.host) {
253 printf("MUSB host is not registered\n");
257 musb_stop(musb_host.host);
261 int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
262 void *buffer, int length)
264 return _musb_submit_bulk_msg(&musb_host, dev, pipe, buffer, length);
267 int submit_control_msg(struct usb_device *dev, unsigned long pipe,
268 void *buffer, int length, struct devrequest *setup)
270 return _musb_submit_control_msg(&musb_host, dev, pipe, buffer, length, setup);
273 int submit_int_msg(struct usb_device *dev, unsigned long pipe,
274 void *buffer, int length, int interval)
276 return _musb_submit_int_msg(&musb_host, dev, pipe, buffer, length, interval);
279 struct int_queue *create_int_queue(struct usb_device *dev,
280 unsigned long pipe, int queuesize, int elementsize,
281 void *buffer, int interval)
283 return _musb_create_int_queue(&musb_host, dev, pipe, queuesize, elementsize,
287 void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
289 return _musb_poll_int_queue(&musb_host, dev, queue);
292 int destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
294 return _musb_destroy_int_queue(&musb_host, dev, queue);
297 int usb_reset_root_port(struct usb_device *dev)
299 return _musb_reset_root_port(&musb_host, dev);
302 int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
304 return musb_lowlevel_init(&musb_host);
306 #endif /* !CONFIG_DM_USB */
309 static int musb_submit_control_msg(struct udevice *dev, struct usb_device *udev,
310 unsigned long pipe, void *buffer, int length,
311 struct devrequest *setup)
313 struct musb_host_data *host = dev_get_priv(dev);
314 return _musb_submit_control_msg(host, udev, pipe, buffer, length, setup);
317 static int musb_submit_bulk_msg(struct udevice *dev, struct usb_device *udev,
318 unsigned long pipe, void *buffer, int length)
320 struct musb_host_data *host = dev_get_priv(dev);
321 return _musb_submit_bulk_msg(host, udev, pipe, buffer, length);
324 static int musb_submit_int_msg(struct udevice *dev, struct usb_device *udev,
325 unsigned long pipe, void *buffer, int length,
328 struct musb_host_data *host = dev_get_priv(dev);
329 return _musb_submit_int_msg(host, udev, pipe, buffer, length, interval);
332 static struct int_queue *musb_create_int_queue(struct udevice *dev,
333 struct usb_device *udev, unsigned long pipe, int queuesize,
334 int elementsize, void *buffer, int interval)
336 struct musb_host_data *host = dev_get_priv(dev);
337 return _musb_create_int_queue(host, udev, pipe, queuesize, elementsize,
341 static void *musb_poll_int_queue(struct udevice *dev, struct usb_device *udev,
342 struct int_queue *queue)
344 struct musb_host_data *host = dev_get_priv(dev);
345 return _musb_poll_int_queue(host, udev, queue);
348 static int musb_destroy_int_queue(struct udevice *dev, struct usb_device *udev,
349 struct int_queue *queue)
351 struct musb_host_data *host = dev_get_priv(dev);
352 return _musb_destroy_int_queue(host, udev, queue);
355 static int musb_reset_root_port(struct udevice *dev, struct usb_device *udev)
357 struct musb_host_data *host = dev_get_priv(dev);
358 return _musb_reset_root_port(host, udev);
361 struct dm_usb_ops musb_usb_ops = {
362 .control = musb_submit_control_msg,
363 .bulk = musb_submit_bulk_msg,
364 .interrupt = musb_submit_int_msg,
365 .create_int_queue = musb_create_int_queue,
366 .poll_int_queue = musb_poll_int_queue,
367 .destroy_int_queue = musb_destroy_int_queue,
368 .reset_root_port = musb_reset_root_port,
370 #endif /* CONFIG_DM_USB */
371 #endif /* CONFIG_USB_MUSB_HOST */
373 #ifdef CONFIG_USB_MUSB_GADGET
374 static struct musb *gadget;
376 int usb_gadget_handle_interrupts(int index)
379 if (!gadget || !gadget->isr)
382 return gadget->isr(0, gadget);
385 int usb_gadget_register_driver(struct usb_gadget_driver *driver)
389 if (!driver || driver->speed < USB_SPEED_FULL || !driver->bind ||
391 printf("bad parameter.\n");
396 printf("Controller uninitialized\n");
400 ret = musb_gadget_start(&gadget->g, driver);
402 printf("gadget_start failed with %d\n", ret);
406 ret = driver->bind(&gadget->g);
408 printf("bind failed with %d\n", ret);
415 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
417 if (driver->disconnect)
418 driver->disconnect(&gadget->g);
420 driver->unbind(&gadget->g);
423 #endif /* CONFIG_USB_MUSB_GADGET */
425 int musb_register(struct musb_hdrc_platform_data *plat, void *bdata,
430 switch (plat->mode) {
431 #if defined(CONFIG_USB_MUSB_HOST) && !defined(CONFIG_DM_USB)
433 musbp = &musb_host.host;
436 #ifdef CONFIG_USB_MUSB_GADGET
437 case MUSB_PERIPHERAL:
445 *musbp = musb_init_controller(plat, (struct device *)bdata, ctl_regs);
447 printf("Failed to init the controller\n");