*/
u8 config;
struct usb_ep *in_ep, *out_ep;
+
+ /* autoresume timer */
+ struct timer_list resume;
};
#define xprintk(d,level,fmt,args...) \
module_param (qlen, uint, S_IRUGO|S_IWUSR);
module_param (pattern, uint, S_IRUGO|S_IWUSR);
+/*
+ * if it's nonzero, autoresume says how many seconds to wait
+ * before trying to wake up the host after suspend.
+ */
+static unsigned autoresume = 0;
+module_param (autoresume, uint, 0);
/*
* Normally the "loopback" configuration is second (index 1) so
* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!
* Instead: allocate your own, using normal USB-IF procedures.
*/
+#ifndef CONFIG_USB_ZERO_HNPTEST
#define DRIVER_VENDOR_NUM 0x0525 /* NetChip */
#define DRIVER_PRODUCT_NUM 0xa4a0 /* Linux-USB "Gadget Zero" */
+#else
+#define DRIVER_VENDOR_NUM 0x1a0a /* OTG test device IDs */
+#define DRIVER_PRODUCT_NUM 0xbadd
+#endif
/*-------------------------------------------------------------------------*/
.bNumConfigurations = 2,
};
-static const struct usb_config_descriptor
+static struct usb_config_descriptor
source_sink_config = {
.bLength = sizeof source_sink_config,
.bDescriptorType = USB_DT_CONFIG,
.bMaxPower = 1, /* self-powered */
};
-static const struct usb_config_descriptor
+static struct usb_config_descriptor
loopback_config = {
.bLength = sizeof loopback_config,
.bDescriptorType = USB_DT_CONFIG,
.bMaxPower = 1, /* self-powered */
};
+static struct usb_otg_descriptor
+otg_descriptor = {
+ .bLength = sizeof otg_descriptor,
+ .bDescriptorType = USB_DT_OTG,
+
+ .bmAttributes = USB_OTG_SRP,
+};
+
/* one interface in each configuration */
static const struct usb_interface_descriptor
};
static const struct usb_descriptor_header *fs_source_sink_function [] = {
+ (struct usb_descriptor_header *) &otg_descriptor,
(struct usb_descriptor_header *) &source_sink_intf,
(struct usb_descriptor_header *) &fs_sink_desc,
(struct usb_descriptor_header *) &fs_source_desc,
- 0,
+ NULL,
};
static const struct usb_descriptor_header *fs_loopback_function [] = {
+ (struct usb_descriptor_header *) &otg_descriptor,
(struct usb_descriptor_header *) &loopback_intf,
(struct usb_descriptor_header *) &fs_sink_desc,
(struct usb_descriptor_header *) &fs_source_desc,
- 0,
+ NULL,
};
#ifdef CONFIG_USB_GADGET_DUALSPEED
};
static const struct usb_descriptor_header *hs_source_sink_function [] = {
+ (struct usb_descriptor_header *) &otg_descriptor,
(struct usb_descriptor_header *) &source_sink_intf,
(struct usb_descriptor_header *) &hs_source_desc,
(struct usb_descriptor_header *) &hs_sink_desc,
- 0,
+ NULL,
};
static const struct usb_descriptor_header *hs_loopback_function [] = {
+ (struct usb_descriptor_header *) &otg_descriptor,
(struct usb_descriptor_header *) &loopback_intf,
(struct usb_descriptor_header *) &hs_source_desc,
(struct usb_descriptor_header *) &hs_sink_desc,
- 0,
+ NULL,
};
/* maxpacket and other transfer characteristics vary by speed. */
static char manufacturer [40];
static char serial [40];
-/* static strings, in iso 8859/1 */
+/* static strings, in UTF-8 */
static struct usb_string strings [] = {
{ STRING_MANUFACTURER, manufacturer, },
{ STRING_PRODUCT, longname, },
? fs_source_sink_function
: fs_loopback_function;
+ /* for now, don't advertise srp-only devices */
+ if (!gadget->is_otg)
+ function++;
+
len = usb_gadget_config_buf (is_source_sink
? &source_sink_config
: &loopback_config,
&req->dma, GFP_ATOMIC);
if (!req->buf) {
usb_ep_free_request (ep, req);
- req = 0;
+ req = NULL;
}
}
return req;
/* optionally require specific source/sink data patterns */
-static inline int
+static int
check_read_data (
struct zero_dev *dev,
struct usb_ep *ep,
return 0;
}
-static inline void
+static void
reinit_write_data (
struct zero_dev *dev,
struct usb_ep *ep,
req = alloc_ep_req (ep, buflen);
if (!req)
- return 0;
+ return NULL;
memset (req->buf, 0, req->length);
req->complete = source_sink_complete;
ERROR (dev, "start %s --> %d\n", ep->name, status);
free_ep_req (ep, req);
- req = 0;
+ req = NULL;
}
return req;
*/
if (dev->in_ep) {
usb_ep_disable (dev->in_ep);
- dev->in_ep = 0;
+ dev->in_ep = NULL;
}
if (dev->out_ep) {
usb_ep_disable (dev->out_ep);
- dev->out_ep = 0;
+ dev->out_ep = NULL;
}
dev->config = 0;
+ del_timer (&dev->resume);
}
/* change our operational config. this code must agree with the code
/* usually this stores reply data in the pre-allocated ep0 buffer,
* but config change events will reconfigure hardware.
*/
+ req->zero = 0;
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
case USB_DT_STRING:
/* wIndex == language code.
* this driver only handles one language, you can
- * add others even if they don't use iso8859/1
+ * add string tables for other languages, using
+ * any UTF-8 characters
*/
value = usb_gadget_get_string (&stringtab,
ctrl->wValue & 0xff, req->buf);
case USB_REQ_SET_CONFIGURATION:
if (ctrl->bRequestType != 0)
goto unknown;
+ if (gadget->a_hnp_support)
+ DBG (dev, "HNP available\n");
+ else if (gadget->a_alt_hnp_support)
+ DBG (dev, "HNP needs a different root port\n");
+ else
+ VDBG (dev, "HNP inactive\n");
spin_lock (&dev->lock);
value = zero_set_config (dev, ctrl->wValue, GFP_ATOMIC);
spin_unlock (&dev->lock);
/* respond with data transfer before status phase? */
if (value >= 0) {
req->length = value;
+ req->zero = value < ctrl->wLength
+ && (value % gadget->ep0->maxpacket) == 0;
value = usb_ep_queue (gadget->ep0, req, GFP_ATOMIC);
if (value < 0) {
DBG (dev, "ep_queue --> %d\n", value);
*/
}
+static void
+zero_autoresume (unsigned long _dev)
+{
+ struct zero_dev *dev = (struct zero_dev *) _dev;
+ int status;
+
+ /* normally the host would be woken up for something
+ * more significant than just a timer firing...
+ */
+ if (dev->gadget->speed != USB_SPEED_UNKNOWN) {
+ status = usb_gadget_wakeup (dev->gadget);
+ DBG (dev, "wakeup --> %d\n", status);
+ }
+}
+
/*-------------------------------------------------------------------------*/
static void
/* we've already been disconnected ... no i/o is active */
if (dev->req)
free_ep_req (gadget->ep0, dev->req);
+ del_timer_sync (&dev->resume);
kfree (dev);
- set_gadget_data (gadget, 0);
+ set_gadget_data (gadget, NULL);
}
static int
device_desc.bcdDevice = __constant_cpu_to_le16 (0x0207);
} else if (gadget_is_omap (gadget)) {
device_desc.bcdDevice = __constant_cpu_to_le16 (0x0208);
+ } else if (gadget_is_lh7a40x(gadget)) {
+ device_desc.bcdDevice = __constant_cpu_to_le16 (0x0209);
} else {
/* gadget zero is so simple (for now, no altsettings) that
* it SHOULD NOT have problems with bulk-capable hardware.
hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress;
#endif
+ if (gadget->is_otg) {
+ otg_descriptor.bmAttributes |= USB_OTG_HNP,
+ source_sink_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ loopback_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ }
+
+ if (gadget->is_otg) {
+ otg_descriptor.bmAttributes |= USB_OTG_HNP,
+ source_sink_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ loopback_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ }
+
usb_gadget_set_selfpowered (gadget);
+ init_timer (&dev->resume);
+ dev->resume.function = zero_autoresume;
+ dev->resume.data = (unsigned long) dev;
+ if (autoresume) {
+ source_sink_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ loopback_config.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+ }
+
gadget->ep0->driver_data = dev;
INFO (dev, "%s, version: " DRIVER_VERSION "\n", longname);
return -ENOMEM;
}
+/*-------------------------------------------------------------------------*/
+
+static void
+zero_suspend (struct usb_gadget *gadget)
+{
+ struct zero_dev *dev = get_gadget_data (gadget);
+
+ if (gadget->speed == USB_SPEED_UNKNOWN)
+ return;
+
+ if (autoresume) {
+ mod_timer (&dev->resume, jiffies + (HZ * autoresume));
+ DBG (dev, "suspend, wakeup in %d seconds\n", autoresume);
+ } else
+ DBG (dev, "suspend\n");
+}
+
+static void
+zero_resume (struct usb_gadget *gadget)
+{
+ struct zero_dev *dev = get_gadget_data (gadget);
+
+ DBG (dev, "resume\n");
+ del_timer (&dev->resume);
+}
+
+
/*-------------------------------------------------------------------------*/
static struct usb_gadget_driver zero_driver = {
.setup = zero_setup,
.disconnect = zero_disconnect,
+ .suspend = zero_suspend,
+ .resume = zero_resume,
+
.driver = {
.name = (char *) shortname,
// .shutdown = ...
git://git.onelab.eu / linux-2.6.git / blobdiff