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path: root/drivers/usb/input/hid-core.c
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Diffstat (limited to 'drivers/usb/input/hid-core.c')
-rw-r--r--drivers/usb/input/hid-core.c76
1 files changed, 55 insertions, 21 deletions
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 1ab95d24c5e2..e108e0a36b74 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
@@ -1445,7 +1445,8 @@ void hid_init_reports(struct hid_device *hid)
#define USB_DEVICE_ID_POWERCONTROL 0x2030
#define USB_VENDOR_ID_APPLE 0x05ac
-#define USB_DEVICE_ID_APPLE_BLUETOOTH 0x1000
+#define USB_DEVICE_ID_APPLE_POWERMOUSE 0x0304
+#define USB_DEVICE_ID_APPLE_BLUETOOTH 0x1000
/*
* Alphabetically sorted blacklist by quirk type.
@@ -1471,6 +1472,7 @@ 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 },
@@ -1551,10 +1553,12 @@ 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 },
@@ -1567,15 +1571,32 @@ 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;
@@ -1584,13 +1605,13 @@ 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)
@@ -1601,7 +1622,7 @@ 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)) &&
@@ -1655,6 +1676,19 @@ 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;
@@ -1685,7 +1719,7 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 04:45:20 +0000