patch-2.4.20 linux-2.4.20/drivers/usb/usb-uhci.c

• Lines: 475
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/drivers/usb/usb-uhci.c
• Orig date: Fri Aug 2 17:39:45 2002

diff -urN linux-2.4.19/drivers/usb/usb-uhci.c linux-2.4.20/drivers/usb/usb-uhci.c
@@ -59,6 +59,8 @@
 #include "usb-uhci.h"
 #include "usb-uhci-debug.h"
 
+#include "hcd.h"
+
 /*
  * Version Information
  */
@@ -117,12 +119,12 @@
 // Suppress HC interrupt error messages for 5s
 #define ERROR_SUPPRESSION_TIME (HZ*5)
 
-_static int rh_submit_urb (urb_t *urb);
-_static int rh_unlink_urb (urb_t *urb);
+_static int rh_submit_urb (struct urb *urb);
+_static int rh_unlink_urb (struct urb *urb);
 _static int delete_qh (uhci_t *s, uhci_desc_t *qh);
-_static int process_transfer (uhci_t *s, urb_t *urb, int mode);
-_static int process_interrupt (uhci_t *s, urb_t *urb);
-_static int process_iso (uhci_t *s, urb_t *urb, int force);
+_static int process_transfer (uhci_t *s, struct urb *urb, int mode);
+_static int process_interrupt (uhci_t *s, struct urb *urb);
+_static int process_iso (uhci_t *s, struct urb *urb, int force);
 
 // How much URBs with ->next are walked
 #define MAX_NEXT_COUNT 2048
@@ -168,7 +170,7 @@
 }
 /*-------------------------------------------------------------------*/
 #ifdef CONFIG_USB_UHCI_HIGH_BANDWIDTH
-_static void enable_desc_loop(uhci_t *s, urb_t *urb)
+_static void enable_desc_loop(uhci_t *s, struct urb *urb)
 {
 	unsigned long flags;
 
@@ -183,7 +185,7 @@
 	spin_unlock_irqrestore (&s->qh_lock, flags);
 }
 /*-------------------------------------------------------------------*/
-_static void disable_desc_loop(uhci_t *s, urb_t *urb)
+_static void disable_desc_loop(uhci_t *s, struct urb *urb)
 {
 	unsigned long flags;
 
@@ -204,7 +206,7 @@
 }
 #endif
 /*-------------------------------------------------------------------*/
-_static void queue_urb_unlocked (uhci_t *s, urb_t *urb)
+_static void queue_urb_unlocked (uhci_t *s, struct urb *urb)
 {
 	struct list_head *p=&urb->urb_list;
 #ifdef CONFIG_USB_UHCI_HIGH_BANDWIDTH
@@ -224,7 +226,7 @@
 	uhci_switch_timer_int(s);
 }
 /*-------------------------------------------------------------------*/
-_static void queue_urb (uhci_t *s, urb_t *urb)
+_static void queue_urb (uhci_t *s, struct urb *urb)
 {
 	unsigned long flags=0;
 
@@ -233,7 +235,7 @@
 	spin_unlock_irqrestore (&s->urb_list_lock, flags);
 }
 /*-------------------------------------------------------------------*/
-_static void dequeue_urb (uhci_t *s, urb_t *urb)
+_static void dequeue_urb (uhci_t *s, struct urb *urb)
 {
 #ifdef CONFIG_USB_UHCI_HIGH_BANDWIDTH
 	int type;
@@ -698,7 +700,7 @@
 //                         LOW LEVEL STUFF
 //          assembles QHs und TDs for control, bulk and iso
 /*-------------------------------------------------------------------*/
-_static int uhci_submit_control_urb (urb_t *urb)
+_static int uhci_submit_control_urb (struct urb *urb)
 {
 	uhci_desc_t *qh, *td;
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
@@ -815,7 +817,7 @@
 // For queued bulk transfers, two additional QH helpers are allocated (nqh, bqh)
 // Due to the linking with other bulk urbs, it has to be locked with urb_list_lock!
 
-_static int uhci_submit_bulk_urb (urb_t *urb, urb_t *bulk_urb)
+_static int uhci_submit_bulk_urb (struct urb *urb, struct urb *bulk_urb)
 {
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
 	urb_priv_t *urb_priv = urb->hcpriv, *upriv, *bpriv=NULL;
@@ -977,7 +979,7 @@
  looks a bit complicated because of all the bulk queueing goodies
 */
 
-_static void uhci_clean_transfer (uhci_t *s, urb_t *urb, uhci_desc_t *qh, int mode)
+_static void uhci_clean_transfer (uhci_t *s, struct urb *urb, uhci_desc_t *qh, int mode)
 {
 	uhci_desc_t *bqh, *nqh, *prevqh, *prevtd;
 	int now;
@@ -1031,7 +1033,7 @@
 		       urb, priv->prev_queued_urb,  priv->next_queued_urb, qh, bqh, priv->next_qh);	
        	
 		if (mode != CLEAN_TRANSFER_DELETION_MARK) {	// no work for cleanup at unlink-completion
-			urb_t *nurb;
+			struct urb *nurb;
 			unsigned long flags;
 
 			nurb = priv->next_queued_urb;
@@ -1069,7 +1071,7 @@
 }
 /*-------------------------------------------------------------------*/
 // Release bandwidth for Interrupt or Isoc. transfers 
-_static void uhci_release_bandwidth(urb_t *urb)
+_static void uhci_release_bandwidth(struct urb *urb)
 {       
 	if (urb->bandwidth) {
 		switch (usb_pipetype(urb->pipe)) {
@@ -1085,11 +1087,11 @@
 	}	
 }
 
-_static void uhci_urb_dma_sync(uhci_t *s, urb_t *urb, urb_priv_t *urb_priv)
+_static void uhci_urb_dma_sync(uhci_t *s, struct urb *urb, urb_priv_t *urb_priv)
 {
 	if (urb_priv->setup_packet_dma)
 		pci_dma_sync_single(s->uhci_pci, urb_priv->setup_packet_dma,
-				    sizeof(devrequest), PCI_DMA_TODEVICE);
+				    sizeof(struct usb_ctrlrequest), PCI_DMA_TODEVICE);
 
 	if (urb_priv->transfer_buffer_dma)
 		pci_dma_sync_single(s->uhci_pci, urb_priv->transfer_buffer_dma,
@@ -1099,11 +1101,11 @@
 				    PCI_DMA_TODEVICE);
 }
 
-_static void uhci_urb_dma_unmap(uhci_t *s, urb_t *urb, urb_priv_t *urb_priv)
+_static void uhci_urb_dma_unmap(uhci_t *s, struct urb *urb, urb_priv_t *urb_priv)
 {
 	if (urb_priv->setup_packet_dma) {
 		pci_unmap_single(s->uhci_pci, urb_priv->setup_packet_dma,
-				 sizeof(devrequest), PCI_DMA_TODEVICE);
+				 sizeof(struct usb_ctrlrequest), PCI_DMA_TODEVICE);
 		urb_priv->setup_packet_dma = 0;
 	}
 	if (urb_priv->transfer_buffer_dma) {
@@ -1120,7 +1122,7 @@
    mode: UNLINK_ASYNC_STORE_URB: unlink and move URB into unlinked list
          UNLINK_ASYNC_DONT_STORE: unlink, don't move URB into unlinked list
 */
-_static int uhci_unlink_urb_async (uhci_t *s,urb_t *urb, int mode)
+_static int uhci_unlink_urb_async (uhci_t *s,struct urb *urb, int mode)
 {
 	uhci_desc_t *qh;
 	urb_priv_t *urb_priv;
@@ -1165,7 +1167,7 @@
 }
 /*-------------------------------------------------------------------*/
 // kills an urb by unlinking descriptors and waiting for at least one frame
-_static int uhci_unlink_urb_sync (uhci_t *s, urb_t *urb)
+_static int uhci_unlink_urb_sync (uhci_t *s, struct urb *urb)
 {
 	uhci_desc_t *qh;
 	urb_priv_t *urb_priv;
@@ -1176,7 +1178,7 @@
 
 	if (urb->status == -EINPROGRESS) {
 
-		// move descriptors out the the running chains, dequeue urb
+		// move descriptors out of the running chains, dequeue urb
 		uhci_unlink_urb_async(s, urb, UNLINK_ASYNC_DONT_STORE);
 
 		urb_priv = urb->hcpriv;
@@ -1229,7 +1231,7 @@
 _static void uhci_cleanup_unlink(uhci_t *s, int force)
 {
 	struct list_head *q;
-	urb_t *urb;
+	struct urb *urb;
 	struct usb_device *dev;
 	int now, type;
 	urb_priv_t *urb_priv;
@@ -1239,7 +1241,7 @@
 
 	while (q != &s->urb_unlinked) {
 
-		urb = list_entry (q, urb_t, urb_list);
+		urb = list_entry (q, struct urb, urb_list);
 
 		urb_priv = (urb_priv_t*)urb->hcpriv;
 		q = urb->urb_list.next;
@@ -1308,7 +1310,7 @@
 }
  
 /*-------------------------------------------------------------------*/
-_static int uhci_unlink_urb (urb_t *urb)
+_static int uhci_unlink_urb (struct urb *urb)
 {
 	uhci_t *s;
 	unsigned long flags=0;
@@ -1341,9 +1343,9 @@
 // In case of ASAP iso transfer, search the URB-list for already queued URBs
 // for this EP and calculate the earliest start frame for the new
 // URB (easy seamless URB continuation!)
-_static int find_iso_limits (urb_t *urb, unsigned int *start, unsigned int *end)
+_static int find_iso_limits (struct urb *urb, unsigned int *start, unsigned int *end)
 {
-	urb_t *u, *last_urb = NULL;
+	struct urb *u, *last_urb = NULL;
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
 	struct list_head *p;
 	int ret=-1;
@@ -1353,7 +1355,7 @@
 	p=s->urb_list.prev;
 
 	for (; p != &s->urb_list; p = p->prev) {
-		u = list_entry (p, urb_t, urb_list);
+		u = list_entry (p, struct urb, urb_list);
 		// look for pending URBs with identical pipe handle
 		// works only because iso doesn't toggle the data bit!
 		if ((urb->pipe == u->pipe) && (urb->dev == u->dev) && (u->status == -EINPROGRESS)) {
@@ -1375,7 +1377,7 @@
 /*-------------------------------------------------------------------*/
 // adjust start_frame according to scheduling constraints (ASAP etc)
 
-_static int iso_find_start (urb_t *urb)
+_static int iso_find_start (struct urb *urb)
 {
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
 	unsigned int now;
@@ -1433,7 +1435,7 @@
 // ASAP-flag set implicitely
 // if period==0, the transfer is only done once
 
-_static int uhci_submit_int_urb (urb_t *urb)
+_static int uhci_submit_int_urb (struct urb *urb)
 {
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
 	urb_priv_t *urb_priv = urb->hcpriv;
@@ -1493,7 +1495,7 @@
 	return 0;
 }
 /*-------------------------------------------------------------------*/
-_static int uhci_submit_iso_urb (urb_t *urb)
+_static int uhci_submit_iso_urb (struct urb *urb)
 {
 	uhci_t *s = (uhci_t*) urb->dev->bus->hcpriv;
 	urb_priv_t *urb_priv = urb->hcpriv;
@@ -1586,10 +1588,10 @@
 /*-------------------------------------------------------------------*/
 // returns: 0 (no transfer queued), urb* (this urb already queued)
  
-_static urb_t* search_dev_ep (uhci_t *s, urb_t *urb)
+_static struct urb* search_dev_ep (uhci_t *s, struct urb *urb)
 {
 	struct list_head *p;
-	urb_t *tmp;
+	struct urb *tmp;
 	unsigned int mask = usb_pipecontrol(urb->pipe) ? (~USB_DIR_IN) : (~0);
 
 	dbg("search_dev_ep:");
@@ -1597,7 +1599,7 @@
 	p=s->urb_list.next;
 
 	for (; p != &s->urb_list; p = p->next) {
-		tmp = list_entry (p, urb_t, urb_list);
+		tmp = list_entry (p, struct urb, urb_list);
 		dbg("urb: %p", tmp);
 		// we can accept this urb if it is not queued at this time 
 		// or if non-iso transfer requests should be scheduled for the same device and pipe
@@ -1610,13 +1612,13 @@
 	return 0;
 }
 /*-------------------------------------------------------------------*/
-_static int uhci_submit_urb (urb_t *urb)
+_static int uhci_submit_urb (struct urb *urb)
 {
 	uhci_t *s;
 	urb_priv_t *urb_priv;
 	int ret = 0, type;
 	unsigned long flags;
-	urb_t *queued_urb=NULL;
+	struct urb *queued_urb=NULL;
 	int bustime;
 		
 	if (!urb->dev || !urb->dev->bus)
@@ -1683,7 +1685,7 @@
 	
 	if (type == PIPE_CONTROL)
 		urb_priv->setup_packet_dma = pci_map_single(s->uhci_pci, urb->setup_packet,
-							    sizeof(devrequest), PCI_DMA_TODEVICE);
+							    sizeof(struct usb_ctrlrequest), PCI_DMA_TODEVICE);
 
 	if (urb->transfer_buffer_length)
 		urb_priv->transfer_buffer_dma = pci_map_single(s->uhci_pci,
@@ -1770,7 +1772,7 @@
 _static void uhci_check_timeouts(uhci_t *s)
 {
 	struct list_head *p,*p2;
-	urb_t *urb;
+	struct urb *urb;
 	int type;	
 
 	p = s->urb_list.prev;	
@@ -1780,7 +1782,7 @@
 
 		p2 = p;
 		p = p->prev;
-		urb = list_entry (p2, urb_t, urb_list);
+		urb = list_entry (p2, struct urb, urb_list);
 		type = usb_pipetype (urb->pipe);
 
 		hcpriv = (urb_priv_t*)urb->hcpriv;
@@ -1878,7 +1880,7 @@
 
 /*-------------------------------------------------------------------------*/
 /* prepare Interrupt pipe transaction data; HUB INTERRUPT ENDPOINT */
-_static int rh_send_irq (urb_t *urb)
+_static int rh_send_irq (struct urb *urb)
 {
 	int len = 1;
 	int i;
@@ -1905,12 +1907,12 @@
 
 /*-------------------------------------------------------------------------*/
 /* Virtual Root Hub INTs are polled by this timer every "intervall" ms */
-_static int rh_init_int_timer (urb_t *urb);
+_static int rh_init_int_timer (struct urb *urb);
 
 _static void rh_int_timer_do (unsigned long ptr)
 {
 	int len;
-	urb_t *urb = (urb_t*) ptr;
+	struct urb *urb = (struct urb*) ptr;
 	uhci_t *uhci = urb->dev->bus->hcpriv;
 
 	if (uhci->rh.send) {
@@ -1927,7 +1929,7 @@
 /*-------------------------------------------------------------------------*/
 /* Root Hub INTs are polled by this timer, polling interval 20ms */
 
-_static int rh_init_int_timer (urb_t *urb)
+_static int rh_init_int_timer (struct urb *urb)
 {
 	uhci_t *uhci = urb->dev->bus->hcpriv;
 
@@ -1961,12 +1963,12 @@
  *************************/
 
 
-_static int rh_submit_urb (urb_t *urb)
+_static int rh_submit_urb (struct urb *urb)
 {
 	struct usb_device *usb_dev = urb->dev;
 	uhci_t *uhci = usb_dev->bus->hcpriv;
 	unsigned int pipe = urb->pipe;
-	devrequest *cmd = (devrequest *) urb->setup_packet;
+	struct usb_ctrlrequest *cmd = (struct usb_ctrlrequest *) urb->setup_packet;
 	void *data = urb->transfer_buffer;
 	int leni = urb->transfer_buffer_length;
 	int len = 0;
@@ -1992,10 +1994,10 @@
 	}
 
 
-	bmRType_bReq = cmd->requesttype | cmd->request << 8;
-	wValue = le16_to_cpu (cmd->value);
-	wIndex = le16_to_cpu (cmd->index);
-	wLength = le16_to_cpu (cmd->length);
+	bmRType_bReq = cmd->bRequestType | cmd->bRequest << 8;
+	wValue = le16_to_cpu (cmd->wValue);
+	wIndex = le16_to_cpu (cmd->wIndex);
+	wLength = le16_to_cpu (cmd->wLength);
 
 	for (i = 0; i < 8; i++)
 		uhci->rh.c_p_r[i] = 0;
@@ -2162,7 +2164,7 @@
 }
 /*-------------------------------------------------------------------------*/
 
-_static int rh_unlink_urb (urb_t *urb)
+_static int rh_unlink_urb (struct urb *urb)
 {
 	uhci_t *uhci = urb->dev->bus->hcpriv;
 
@@ -2220,14 +2222,14 @@
 	unsigned long flags;
 	struct list_head *p;
 	struct list_head *p2;
-	urb_t *urb;
+	struct urb *urb;
 
 	spin_lock_irqsave (&s->urb_list_lock, flags);
 	p = s->urb_list.prev;	
 	while (p != &s->urb_list) {
 		p2 = p;
 		p = p->prev ;
-		urb = list_entry (p2, urb_t, urb_list);
+		urb = list_entry (p2, struct urb, urb_list);
 		dbg("urb: %p, dev %p, %p", urb, usb_dev,urb->dev);
 		
 		//urb->transfer_flags |=USB_ASYNC_UNLINK; 
@@ -2277,7 +2279,7 @@
 	uhci_unlink_urb
 };
 
-_static void correct_data_toggles(urb_t *urb)
+_static void correct_data_toggles(struct urb *urb)
 {
 	usb_settoggle (urb->dev, usb_pipeendpoint (urb->pipe), usb_pipeout (urb->pipe), 
 		       !usb_gettoggle (urb->dev, usb_pipeendpoint (urb->pipe), usb_pipeout (urb->pipe)));
@@ -2307,7 +2309,7 @@
  *       PROCESS_TRANSFER_DONT_UNLINK: QHs already unlinked (for async unlink_urb)
  */
 
-_static int process_transfer (uhci_t *s, urb_t *urb, int mode)
+_static int process_transfer (uhci_t *s, struct urb *urb, int mode)
 {
 	int ret = 0;
 	urb_priv_t *urb_priv = urb->hcpriv;
@@ -2395,7 +2397,7 @@
 	if (usb_pipetype (urb->pipe) == PIPE_BULK ) {  /* toggle correction for short bulk transfers (nonqueued/queued) */
 
 		urb_priv_t *priv=(urb_priv_t*)urb->hcpriv;
-		urb_t *next_queued_urb=priv->next_queued_urb;
+		struct urb *next_queued_urb=priv->next_queued_urb;
 
 		if (next_queued_urb) {
 			urb_priv_t *next_priv=(urb_priv_t*)next_queued_urb->hcpriv;
@@ -2426,7 +2428,7 @@
 	return ret;
 }
 
-_static int process_interrupt (uhci_t *s, urb_t *urb)
+_static int process_interrupt (uhci_t *s, struct urb *urb)
 {
 	int i, ret = -EINPROGRESS;
 	urb_priv_t *urb_priv = urb->hcpriv;
@@ -2525,7 +2527,7 @@
 // mode: PROCESS_ISO_REGULAR: processing only for done TDs, unlink TDs
 // mode: PROCESS_ISO_FORCE: force processing, don't unlink TDs (already unlinked)
 
-_static int process_iso (uhci_t *s, urb_t *urb, int mode)
+_static int process_iso (uhci_t *s, struct urb *urb, int mode)
 {
 	int i;
 	int ret = 0;
@@ -2594,9 +2596,9 @@
 _static int process_urb (uhci_t *s, struct list_head *p)
 {
 	int ret = 0;
-	urb_t *urb;
+	struct urb *urb;
 
-	urb=list_entry (p, urb_t, urb_list);
+	urb=list_entry (p, struct urb, urb_list);
 	//dbg("process_urb: found queued urb: %p", urb);
 
 	switch (usb_pipetype (urb->pipe)) {
@@ -2645,7 +2647,7 @@
 #endif
 
 		if ((usb_pipetype (urb->pipe) != PIPE_INTERRUPT)) {  // process_interrupt does completion on its own		
-			urb_t *next_urb = urb->next;
+			struct urb *next_urb = urb->next;
 			int is_ring = 0;
 			int contains_killed = 0;
 			int loop_count=0;
@@ -2952,6 +2954,7 @@
 	}
 
 	s->bus = bus;
+	bus->bus_name = dev->slot_name;
 	bus->hcpriv = s;
 
 	/* UHCI specs says devices must have 2 ports, but goes on to say */