{
int status;
- BUG_ON(!mutex_is_locked(&rt2x00dev->usb_cache_mutex));
+ BUG_ON(!mutex_is_locked(&rt2x00dev->csr_mutex));
/*
* Check for Cache availability.
{
int status;
- mutex_lock(&rt2x00dev->usb_cache_mutex);
+ mutex_lock(&rt2x00dev->csr_mutex);
status = rt2x00usb_vendor_req_buff_lock(rt2x00dev, request,
requesttype, offset, buffer,
buffer_length, timeout);
- mutex_unlock(&rt2x00dev->usb_cache_mutex);
+ mutex_unlock(&rt2x00dev->csr_mutex);
return status;
}
unsigned char *tb;
u16 off, len, bsize;
- mutex_lock(&rt2x00dev->usb_cache_mutex);
+ mutex_lock(&rt2x00dev->csr_mutex);
tb = (char *)buffer;
off = offset;
off += bsize;
}
- mutex_unlock(&rt2x00dev->usb_cache_mutex);
+ mutex_unlock(&rt2x00dev->csr_mutex);
return status;
}
EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_large_buff);
+int rt2x00usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset,
+ struct rt2x00_field32 field,
+ u32 *reg)
+{
+ unsigned int i;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ rt2x00usb_register_read_lock(rt2x00dev, offset, reg);
+ if (!rt2x00_get_field32(*reg, field))
+ return 1;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ ERROR(rt2x00dev, "Indirect register access failed: "
+ "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
+ *reg = ~0;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00usb_regbusy_read);
+
/*
* TX data handlers.
*/
* length of the data to usb_fill_bulk_urb. Pass the skb
* to the driver to determine what the length should be.
*/
- length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, entry->skb);
+ length = rt2x00dev->ops->lib->get_tx_data_len(entry);
usb_fill_bulk_urb(entry_priv->urb, usb_dev,
- usb_sndbulkpipe(usb_dev, 1),
+ usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),
entry->skb->data, length,
rt2x00usb_interrupt_txdone, entry);
/*
* Device initialization handlers.
*/
-void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+void rt2x00usb_clear_entry(struct queue_entry *entry)
{
- struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
+ struct usb_device *usb_dev =
+ to_usb_device_intf(entry->queue->rt2x00dev->dev);
struct queue_entry_priv_usb *entry_priv = entry->priv_data;
+ int pipe;
- usb_fill_bulk_urb(entry_priv->urb, usb_dev,
- usb_rcvbulkpipe(usb_dev, 1),
- entry->skb->data, entry->skb->len,
- rt2x00usb_interrupt_rxdone, entry);
+ if (entry->queue->qid == QID_RX) {
+ pipe = usb_rcvbulkpipe(usb_dev, entry->queue->usb_endpoint);
+ usb_fill_bulk_urb(entry_priv->urb, usb_dev, pipe,
+ entry->skb->data, entry->skb->len,
+ rt2x00usb_interrupt_rxdone, entry);
- set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
- usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
+ set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+ usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
+ } else {
+ entry->flags = 0;
+ }
}
-EXPORT_SYMBOL_GPL(rt2x00usb_init_rxentry);
+EXPORT_SYMBOL_GPL(rt2x00usb_clear_entry);
-void rt2x00usb_init_txentry(struct rt2x00_dev *rt2x00dev,
- struct queue_entry *entry)
+static void rt2x00usb_assign_endpoint(struct data_queue *queue,
+ struct usb_endpoint_descriptor *ep_desc)
{
- entry->flags = 0;
+ struct usb_device *usb_dev = to_usb_device_intf(queue->rt2x00dev->dev);
+ int pipe;
+
+ queue->usb_endpoint = usb_endpoint_num(ep_desc);
+
+ if (queue->qid == QID_RX) {
+ pipe = usb_rcvbulkpipe(usb_dev, queue->usb_endpoint);
+ queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe, 0);
+ } else {
+ pipe = usb_sndbulkpipe(usb_dev, queue->usb_endpoint);
+ queue->usb_maxpacket = usb_maxpacket(usb_dev, pipe, 1);
+ }
+
+ if (!queue->usb_maxpacket)
+ queue->usb_maxpacket = 1;
+}
+
+static int rt2x00usb_find_endpoints(struct rt2x00_dev *rt2x00dev)
+{
+ struct usb_interface *intf = to_usb_interface(rt2x00dev->dev);
+ struct usb_host_interface *intf_desc = intf->cur_altsetting;
+ struct usb_endpoint_descriptor *ep_desc;
+ struct data_queue *queue = rt2x00dev->tx;
+ struct usb_endpoint_descriptor *tx_ep_desc = NULL;
+ unsigned int i;
+
+ /*
+ * Walk through all available endpoints to search for "bulk in"
+ * and "bulk out" endpoints. When we find such endpoints collect
+ * the information we need from the descriptor and assign it
+ * to the queue.
+ */
+ for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) {
+ ep_desc = &intf_desc->endpoint[i].desc;
+
+ if (usb_endpoint_is_bulk_in(ep_desc)) {
+ rt2x00usb_assign_endpoint(rt2x00dev->rx, ep_desc);
+ } else if (usb_endpoint_is_bulk_out(ep_desc)) {
+ rt2x00usb_assign_endpoint(queue, ep_desc);
+
+ if (queue != queue_end(rt2x00dev))
+ queue = queue_next(queue);
+ tx_ep_desc = ep_desc;
+ }
+ }
+
+ /*
+ * At least 1 endpoint for RX and 1 endpoint for TX must be available.
+ */
+ if (!rt2x00dev->rx->usb_endpoint || !rt2x00dev->tx->usb_endpoint) {
+ ERROR(rt2x00dev, "Bulk-in/Bulk-out endpoints not found\n");
+ return -EPIPE;
+ }
+
+ /*
+ * It might be possible not all queues have a dedicated endpoint.
+ * Loop through all TX queues and copy the endpoint information
+ * which we have gathered from already assigned endpoints.
+ */
+ txall_queue_for_each(rt2x00dev, queue) {
+ if (!queue->usb_endpoint)
+ rt2x00usb_assign_endpoint(queue, tx_ep_desc);
+ }
+
+ return 0;
}
-EXPORT_SYMBOL_GPL(rt2x00usb_init_txentry);
static int rt2x00usb_alloc_urb(struct rt2x00_dev *rt2x00dev,
struct data_queue *queue)
struct data_queue *queue;
int status;
+ /*
+ * Find endpoints for each queue
+ */
+ status = rt2x00usb_find_endpoints(rt2x00dev);
+ if (status)
+ goto exit;
+
/*
* Allocate DMA
*/
rt2x00dev->dev = &usb_intf->dev;
rt2x00dev->ops = ops;
rt2x00dev->hw = hw;
- mutex_init(&rt2x00dev->usb_cache_mutex);
-
- rt2x00dev->usb_maxpacket =
- usb_maxpacket(usb_dev, usb_sndbulkpipe(usb_dev, 1), 1);
- if (!rt2x00dev->usb_maxpacket)
- rt2x00dev->usb_maxpacket = 1;
retval = rt2x00usb_alloc_reg(rt2x00dev);
if (retval)
projects / linux-2.6-omap-h63xx.git / blobdiff