usb: ohci: Move static func and var declarations from ohci.h to ohci-hcd.c

[karo-tx-uboot.git] / drivers / usb / host / ohci-hcd.c

diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 07e0848c6ece36ad8e1bad1ed90c5cd969cc5b7f..15aea98591e227a3ed16365c097339149409701e 100644 (file)
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -108,6 +108,61 @@ static ohci_t gohci;
 /* this must be aligned to a 256 byte boundary */
 struct ohci_hcca ghcca[1];
 
+/* mapping of the OHCI CC status to error codes */
+static int cc_to_error[16] = {
+       /* No  Error  */               0,
+       /* CRC Error  */               USB_ST_CRC_ERR,
+       /* Bit Stuff  */               USB_ST_BIT_ERR,
+       /* Data Togg  */               USB_ST_CRC_ERR,
+       /* Stall      */               USB_ST_STALLED,
+       /* DevNotResp */               -1,
+       /* PIDCheck   */               USB_ST_BIT_ERR,
+       /* UnExpPID   */               USB_ST_BIT_ERR,
+       /* DataOver   */               USB_ST_BUF_ERR,
+       /* DataUnder  */               USB_ST_BUF_ERR,
+       /* reservd    */               -1,
+       /* reservd    */               -1,
+       /* BufferOver */               USB_ST_BUF_ERR,
+       /* BuffUnder  */               USB_ST_BUF_ERR,
+       /* Not Access */               -1,
+       /* Not Access */               -1
+};
+
+static const char *cc_to_string[16] = {
+       "No Error",
+       "CRC: Last data packet from endpoint contained a CRC error.",
+       "BITSTUFFING: Last data packet from endpoint contained a bit " \
+                    "stuffing violation",
+       "DATATOGGLEMISMATCH: Last packet from endpoint had data toggle PID\n" \
+                    "that did not match the expected value.",
+       "STALL: TD was moved to the Done Queue because the endpoint returned" \
+                    " a STALL PID",
+       "DEVICENOTRESPONDING: Device did not respond to token (IN) or did\n" \
+                    "not provide a handshake (OUT)",
+       "PIDCHECKFAILURE: Check bits on PID from endpoint failed on data PID\n"\
+                    "(IN) or handshake (OUT)",
+       "UNEXPECTEDPID: Receive PID was not valid when encountered or PID\n" \
+                    "value is not defined.",
+       "DATAOVERRUN: The amount of data returned by the endpoint exceeded\n" \
+                    "either the size of the maximum data packet allowed\n" \
+                    "from the endpoint (found in MaximumPacketSize field\n" \
+                    "of ED) or the remaining buffer size.",
+       "DATAUNDERRUN: The endpoint returned less than MaximumPacketSize\n" \
+                    "and that amount was not sufficient to fill the\n" \
+                    "specified buffer",
+       "reserved1",
+       "reserved2",
+       "BUFFEROVERRUN: During an IN, HC received data from endpoint faster\n" \
+                    "than it could be written to system memory",
+       "BUFFERUNDERRUN: During an OUT, HC could not retrieve data from\n" \
+                    "system memory fast enough to keep up with data USB " \
+                    "data rate.",
+       "NOT ACCESSED: This code is set by software before the TD is placed" \
+                    "on a list to be processed by the HC.(1)",
+       "NOT ACCESSED: This code is set by software before the TD is placed" \
+                    "on a list to be processed by the HC.(2)",
+};
+
 static inline u32 roothub_a(struct ohci *hc)
        { return ohci_readl(&hc->regs->roothub.a); }
 static inline u32 roothub_b(struct ohci *hc)
@@ -123,6 +178,37 @@ static void td_submit_job(ohci_t *ohci, struct usb_device *dev,
                          unsigned long pipe, void *buffer, int transfer_len,
                          struct devrequest *setup, urb_priv_t *urb,
                          int interval);
+static int ep_link(ohci_t * ohci, ed_t * ed);
+static int ep_unlink(ohci_t * ohci, ed_t * ed);
+static ed_t *ep_add_ed(ohci_dev_t *ohci_dev, struct usb_device *usb_dev,
+                      unsigned long pipe, int interval, int load);
+
+/*-------------------------------------------------------------------------*/
+
+/* TDs ... */
+static struct td *td_alloc(ohci_dev_t *ohci_dev, struct usb_device *usb_dev)
+{
+       int i;
+       struct td *td;
+
+       td = NULL;
+       for (i = 0; i < NUM_TD; i++)
+       {
+               if (ohci_dev->tds[i].usb_dev == NULL)
+               {
+                       td = &ohci_dev->tds[i];
+                       td->usb_dev = usb_dev;
+                       break;
+               }
+       }
+
+       return td;
+}
+
+static inline void ed_free(struct ed *ed)
+{
+       ed->usb_dev = NULL;
+}
 
 /*-------------------------------------------------------------------------*
  * URB support functions