1 files changed, 58 insertions, 23 deletions

diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index b2cb2b35892e..a99865c689c5 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -2,7 +2,8 @@
  *  USB HID support for Linux
  *
  *  Copyright (c) 1999 Andreas Gal
- *  Copyright (c) 2000-2001 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
+ *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  */
 
 /*
@@ -38,7 +39,7 @@
  * Version Information
  */
 
-#define DRIVER_VERSION "v2.01"
+#define DRIVER_VERSION "v2.6"
 #define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik"
 #define DRIVER_DESC "USB HID core driver"
 #define DRIVER_LICENSE "GPL"
@@ -1058,8 +1059,8 @@ static int hid_submit_ctrl(struct hid_device *hid)
                 if (maxpacket > 0) {
                         padlen = (len + maxpacket - 1) / maxpacket;
                         padlen *= maxpacket;
-                        if (padlen > HID_BUFFER_SIZE)
-                                padlen = HID_BUFFER_SIZE;
+                        if (padlen > hid->bufsize)
+                                padlen = hid->bufsize;
                 } else
                         padlen = 0;
                 hid->urbctrl->transfer_buffer_length = padlen;
@@ -1096,6 +1097,7 @@ static void hid_irq_out(struct urb *urb, struct pt_regs *regs)
 
         switch (urb->status) {
                 case 0:                 /* success */
+                        break;
                 case -ESHUTDOWN:        /* unplug */
                 case -EILSEQ:           /* unplug timeout on uhci */
                         unplug = 1;
@@ -1143,6 +1145,7 @@ static void hid_ctrl(struct urb *urb, struct pt_regs *regs)
                 case 0:                 /* success */
                         if (hid->ctrl[hid->ctrltail].dir == USB_DIR_IN)
                                 hid_input_report(hid->ctrl[hid->ctrltail].report->type, urb, 0, regs);
+                        break;
                 case -ESHUTDOWN:        /* unplug */
                 case -EILSEQ:           /* unplug timectrl on uhci */
                         unplug = 1;
@@ -1284,13 +1287,8 @@ void hid_init_reports(struct hid_device *hid)
         struct hid_report *report;
         int err, ret;
 
-        list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list) {
-                int size = ((report->size - 1) >> 3) + 1 + hid->report_enum[HID_INPUT_REPORT].numbered;
-                if (size > HID_BUFFER_SIZE) size = HID_BUFFER_SIZE;
-                if (size > hid->urbin->transfer_buffer_length)
-                        hid->urbin->transfer_buffer_length = size;
+        list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list)
                 hid_submit_report(hid, report, USB_DIR_IN);
-        }
 
         list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list)
                 hid_submit_report(hid, report, USB_DIR_IN);
@@ -1372,12 +1370,14 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_VENDOR_ID_A4TECH            0x09da
 #define USB_DEVICE_ID_A4TECH_WCP32PU    0x0006
 
-#define USB_VENDOR_ID_AASHIMA           0x06D6
+#define USB_VENDOR_ID_AASHIMA           0x06d6
 #define USB_DEVICE_ID_AASHIMA_GAMEPAD   0x0025
+#define USB_DEVICE_ID_AASHIMA_PREDATOR  0x0026
 
 #define USB_VENDOR_ID_CYPRESS           0x04b4
 #define USB_DEVICE_ID_CYPRESS_MOUSE     0x0001
 #define USB_DEVICE_ID_CYPRESS_HIDCOM    0x5500
+#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE        0x7417
 
 #define USB_VENDOR_ID_BERKSHIRE         0x0c98
 #define USB_DEVICE_ID_BERKSHIRE_PCWD    0x1140
@@ -1432,7 +1432,7 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_DEVICE_ID_VERNIER_CYCLOPS   0x0004
 
 #define USB_VENDOR_ID_LD                0x0f11
-#define USB_DEVICE_ID_CASSY             0x1000
+#define USB_DEVICE_ID_CASSY             0x1000
 #define USB_DEVICE_ID_POCKETCASSY       0x1010
 #define USB_DEVICE_ID_MOBILECASSY       0x1020
 #define USB_DEVICE_ID_JWM               0x1080
@@ -1444,6 +1444,8 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_DEVICE_ID_NETWORKANALYSER   0x2020
 #define USB_DEVICE_ID_POWERCONTROL      0x2030
 
+#define USB_VENDOR_ID_APPLE             0x05ac
+#define USB_DEVICE_ID_APPLE_POWERMOUSE  0x0304
 
 /*
  * Alphabetically sorted blacklist by quirk type.
@@ -1468,6 +1470,7 @@ static struct hid_blacklist {
         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW48, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW28, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5, HID_QUIRK_IGNORE },
@@ -1548,10 +1551,12 @@ static struct hid_blacklist {
         { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET},
         { USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
 
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_POWERMOUSE, HID_QUIRK_2WHEEL_POWERMOUSE },
         { USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU, HID_QUIRK_2WHEEL_MOUSE_HACK_7 },
         { USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE, HID_QUIRK_2WHEEL_MOUSE_HACK_5 },
 
         { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD },
+        { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD },
         { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD },
         { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD },
         { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
@@ -1564,15 +1569,32 @@ static struct hid_blacklist {
         { 0, 0 }
 };
 
+/*
+ * Traverse the supplied list of reports and find the longest
+ */
+static void hid_find_max_report(struct hid_device *hid, unsigned int type, int *max)
+{
+        struct hid_report *report;
+        int size;
+
+        list_for_each_entry(report, &hid->report_enum[type].report_list, list) {
+                size = ((report->size - 1) >> 3) + 1;
+                if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered)
+                        size++;
+                if (*max < size)
+                        *max = size;
+        }
+}
+
 static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
 {
-        if (!(hid->inbuf = usb_buffer_alloc(dev, HID_BUFFER_SIZE, SLAB_ATOMIC, &hid->inbuf_dma)))
+        if (!(hid->inbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->inbuf_dma)))
                 return -1;
-        if (!(hid->outbuf = usb_buffer_alloc(dev, HID_BUFFER_SIZE, SLAB_ATOMIC, &hid->outbuf_dma)))
+        if (!(hid->outbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->outbuf_dma)))
                 return -1;
         if (!(hid->cr = usb_buffer_alloc(dev, sizeof(*(hid->cr)), SLAB_ATOMIC, &hid->cr_dma)))
                 return -1;
-        if (!(hid->ctrlbuf = usb_buffer_alloc(dev, HID_BUFFER_SIZE, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
+        if (!(hid->ctrlbuf = usb_buffer_alloc(dev, hid->bufsize, SLAB_ATOMIC, &hid->ctrlbuf_dma)))
                 return -1;
 
         return 0;
@@ -1581,13 +1603,13 @@ static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid)
 static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
 {
         if (hid->inbuf)
-                usb_buffer_free(dev, HID_BUFFER_SIZE, hid->inbuf, hid->inbuf_dma);
+                usb_buffer_free(dev, hid->bufsize, hid->inbuf, hid->inbuf_dma);
         if (hid->outbuf)
-                usb_buffer_free(dev, HID_BUFFER_SIZE, hid->outbuf, hid->outbuf_dma);
+                usb_buffer_free(dev, hid->bufsize, hid->outbuf, hid->outbuf_dma);
         if (hid->cr)
                 usb_buffer_free(dev, sizeof(*(hid->cr)), hid->cr, hid->cr_dma);
         if (hid->ctrlbuf)
-                usb_buffer_free(dev, HID_BUFFER_SIZE, hid->ctrlbuf, hid->ctrlbuf_dma);
+                usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma);
 }
 
 static struct hid_device *usb_hid_configure(struct usb_interface *intf)
@@ -1598,7 +1620,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
         struct hid_device *hid;
         unsigned quirks = 0, rsize = 0;
         char *buf, *rdesc;
-        int n;
+        int n, insize = 0;
 
         for (n = 0; hid_blacklist[n].idVendor; n++)
                 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
@@ -1652,6 +1674,19 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
         kfree(rdesc);
         hid->quirks = quirks;
 
+        hid->bufsize = HID_MIN_BUFFER_SIZE;
+        hid_find_max_report(hid, HID_INPUT_REPORT, &hid->bufsize);
+        hid_find_max_report(hid, HID_OUTPUT_REPORT, &hid->bufsize);
+        hid_find_max_report(hid, HID_FEATURE_REPORT, &hid->bufsize);
+
+        if (hid->bufsize > HID_MAX_BUFFER_SIZE)
+                hid->bufsize = HID_MAX_BUFFER_SIZE;
+
+        hid_find_max_report(hid, HID_INPUT_REPORT, &insize);
+
+        if (insize > HID_MAX_BUFFER_SIZE)
+                insize = HID_MAX_BUFFER_SIZE;
+
         if (hid_alloc_buffers(dev, hid)) {
                 hid_free_buffers(dev, hid);
                 goto fail;
@@ -1682,10 +1717,10 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
                         if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
                                 goto fail;
                         pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
-                        usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, 0,
+                        usb_fill_int_urb(hid->urbin, dev, pipe, hid->inbuf, insize,
                                          hid_irq_in, hid, interval);
                         hid->urbin->transfer_dma = hid->inbuf_dma;
-                        hid->urbin->transfer_flags |=(URB_NO_TRANSFER_DMA_MAP | URB_ASYNC_UNLINK);
+                        hid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
                 } else {
                         if (hid->urbout)
                                 continue;
@@ -1695,7 +1730,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
                         usb_fill_int_urb(hid->urbout, dev, pipe, hid->outbuf, 0,
                                          hid_irq_out, hid, interval);
                         hid->urbout->transfer_dma = hid->outbuf_dma;
-                        hid->urbout->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_ASYNC_UNLINK);
+                        hid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
                 }
         }
 
@@ -1747,7 +1782,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
                              hid->ctrlbuf, 1, hid_ctrl, hid);
         hid->urbctrl->setup_dma = hid->cr_dma;
         hid->urbctrl->transfer_dma = hid->ctrlbuf_dma;
-        hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP | URB_ASYNC_UNLINK);
+        hid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP);
 
         return hid;