diff options
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 111 |
1 files changed, 28 insertions, 83 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index d91b9dac6df..3afa4a5035b 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -60,6 +60,12 @@ MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " " quirks=vendorID:productID:quirks" " where vendorID, productID, and quirks are all in" " 0x-prefixed hex"); +static char *rdesc_quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL }; +module_param_array_named(rdesc_quirks, rdesc_quirks_param, charp, NULL, 0444); +MODULE_PARM_DESC(rdesc_quirks, "Add/modify report descriptor quirks by specifying " + " rdesc_quirks=vendorID:productID:rdesc_quirks" + " where vendorID, productID, and rdesc_quirks are all in" + " 0x-prefixed hex"); /* * Input submission and I/O error handler. */ @@ -127,7 +133,7 @@ static void hid_reset(struct work_struct *work) hid_io_error(hid); break; default: - err("can't reset device, %s-%s/input%d, status %d", + err_hid("can't reset device, %s-%s/input%d, status %d", hid_to_usb_dev(hid)->bus->bus_name, hid_to_usb_dev(hid)->devpath, usbhid->ifnum, rc); @@ -220,7 +226,7 @@ static void hid_irq_in(struct urb *urb) if (status) { clear_bit(HID_IN_RUNNING, &usbhid->iofl); if (status != -EPERM) { - err("can't resubmit intr, %s-%s/input%d, status %d", + err_hid("can't resubmit intr, %s-%s/input%d, status %d", hid_to_usb_dev(hid)->bus->bus_name, hid_to_usb_dev(hid)->devpath, usbhid->ifnum, status); @@ -240,10 +246,10 @@ static int hid_submit_out(struct hid_device *hid) usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); usbhid->urbout->dev = hid_to_usb_dev(hid); - dbg("submitting out urb"); + dbg_hid("submitting out urb\n"); if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { - err("usb_submit_urb(out) failed"); + err_hid("usb_submit_urb(out) failed"); return -1; } @@ -287,12 +293,12 @@ static int hid_submit_ctrl(struct hid_device *hid) usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); usbhid->cr->wLength = cpu_to_le16(len); - dbg("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u", + dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report", usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) { - err("usb_submit_urb(ctrl) failed"); + err_hid("usb_submit_urb(ctrl) failed"); return -1; } @@ -474,7 +480,7 @@ int usbhid_wait_io(struct hid_device *hid) if (!wait_event_timeout(hid->wait, (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)), 10*HZ)) { - dbg("timeout waiting for ctrl or out queue to clear"); + dbg_hid("timeout waiting for ctrl or out queue to clear\n"); return -1; } @@ -633,20 +639,6 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) } /* - * Cherry Cymotion keyboard have an invalid HID report descriptor, - * that needs fixing before we can parse it. - */ - -static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize) -{ - if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { - info("Fixing up Cherry Cymotion report descriptor"); - rdesc[11] = rdesc[16] = 0xff; - rdesc[12] = rdesc[17] = 0x03; - } -} - -/* * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller * to "operational". Without this, the ps3 controller will not report any * events. @@ -667,51 +659,11 @@ static void hid_fixup_sony_ps3_controller(struct usb_device *dev, int ifnum) USB_CTRL_GET_TIMEOUT); if (result < 0) - err("%s failed: %d\n", __func__, result); + err_hid("%s failed: %d\n", __func__, result); kfree(buf); } -/* - * Certain Logitech keyboards send in report #3 keys which are far - * above the logical maximum described in descriptor. This extends - * the original value of 0x28c of logical maximum to 0x104d - */ -static void hid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize) -{ - if (rsize >= 90 && rdesc[83] == 0x26 - && rdesc[84] == 0x8c - && rdesc[85] == 0x02) { - info("Fixing up Logitech keyboard report descriptor"); - rdesc[84] = rdesc[89] = 0x4d; - rdesc[85] = rdesc[90] = 0x10; - } -} - -/* - * Some USB barcode readers from cypress have usage min and usage max in - * the wrong order - */ -static void hid_fixup_cypress_descriptor(unsigned char *rdesc, int rsize) -{ - short fixed = 0; - int i; - - for (i = 0; i < rsize - 4; i++) { - if (rdesc[i] == 0x29 && rdesc [i+2] == 0x19) { - unsigned char tmp; - - rdesc[i] = 0x19; rdesc[i+2] = 0x29; - tmp = rdesc[i+3]; - rdesc[i+3] = rdesc[i+1]; - rdesc[i+1] = tmp; - } - } - - if (fixed) - info("Fixing up Cypress report descriptor"); -} - static struct hid_device *usb_hid_configure(struct usb_interface *intf) { struct usb_host_interface *interface = intf->cur_altsetting; @@ -746,7 +698,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && (!interface->desc.bNumEndpoints || usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) { - dbg("class descriptor not present\n"); + dbg_hid("class descriptor not present\n"); return NULL; } @@ -755,41 +707,34 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { - dbg("weird size of report descriptor (%u)", rsize); + dbg_hid("weird size of report descriptor (%u)\n", rsize); return NULL; } if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) { - dbg("couldn't allocate rdesc memory"); + dbg_hid("couldn't allocate rdesc memory\n"); return NULL; } hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0); if ((n = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, HID_DT_REPORT, rdesc, rsize)) < 0) { - dbg("reading report descriptor failed"); + dbg_hid("reading report descriptor failed\n"); kfree(rdesc); return NULL; } - if ((quirks & HID_QUIRK_CYMOTION)) - hid_fixup_cymotion_descriptor(rdesc, rsize); + usbhid_fixup_report_descriptor(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct), rdesc, + rsize, rdesc_quirks_param); - if (quirks & HID_QUIRK_LOGITECH_DESCRIPTOR) - hid_fixup_logitech_descriptor(rdesc, rsize); - - if (quirks & HID_QUIRK_SWAPPED_MIN_MAX) - hid_fixup_cypress_descriptor(rdesc, rsize); - -#ifdef CONFIG_HID_DEBUG - printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n); + dbg_hid("report descriptor (size %u, read %d) = ", rsize, n); for (n = 0; n < rsize; n++) - printk(" %02x", (unsigned char) rdesc[n]); - printk("\n"); -#endif + dbg_hid_line(" %02x", (unsigned char) rdesc[n]); + dbg_hid_line("\n"); if (!(hid = hid_parse_report(rdesc, n))) { - dbg("parsing report descriptor failed"); + dbg_hid("parsing report descriptor failed\n"); kfree(rdesc); return NULL; } @@ -861,7 +806,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) } if (!usbhid->urbin) { - err("couldn't find an input interrupt endpoint"); + err_hid("couldn't find an input interrupt endpoint"); goto fail; } @@ -956,7 +901,7 @@ static void hid_disconnect(struct usb_interface *intf) usb_kill_urb(usbhid->urbctrl); del_timer_sync(&usbhid->io_retry); - flush_scheduled_work(); + cancel_work_sync(&usbhid->reset_work); if (hid->claimed & HID_CLAIMED_INPUT) hidinput_disconnect(hid); @@ -978,7 +923,7 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) int i; char *c; - dbg("HID probe called for ifnum %d", + dbg_hid("HID probe called for ifnum %d\n", intf->altsetting->desc.bInterfaceNumber); if (!(hid = usb_hid_configure(intf))) |