[PATCH 2.6.34-rc7] HID: hid-samsung: add support for Creative DesktopWireless 6000

From: Don Prince
Date: Sat May 15 2010 - 20:32:53 EST

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Add support for the Creative Desktop Wireless 6000 keyboard/mouse
bundle's multimedia buttons which are not currently handled by
the default/samsung HID driver.

Signed-off-by: Don Prince <dhprince-devel@xxxxxxxxxxx>

---
diff -X /opt/scripts/diff-exclude.txt -Npaur a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
--- a/drivers/hid/hid-core.c 2010-05-15 15:38:23.938711974 +0100
+++ b/drivers/hid/hid-core.c 2010-05-15 20:43:36.363484676 +0100
@@ -1343,6 +1343,7 @@ static const struct hid_device_id hid_bl
{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
diff -X /opt/scripts/diff-exclude.txt -Npaur a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
--- a/drivers/hid/hid-ids.h 2010-05-15 15:38:23.946652184 +0100
+++ b/drivers/hid/hid-ids.h 2010-05-15 20:40:06.313485144 +0100
@@ -409,6 +409,7 @@

#define USB_VENDOR_ID_SAMSUNG 0x0419
#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001
+#define USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE 0x0600

#define USB_VENDOR_ID_SONY 0x054c
#define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b
diff -X /opt/scripts/diff-exclude.txt -Npaur a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
--- a/drivers/hid/hid-samsung.c 2010-03-09 13:53:06.892466071 +0000
+++ b/drivers/hid/hid-samsung.c 2010-05-15 23:18:59.890676767 +0100
@@ -7,6 +7,7 @@
* Copyright (c) 2006-2007 Jiri Kosina
* Copyright (c) 2007 Paul Walmsley
* Copyright (c) 2008 Jiri Slaby
+ * Copyright (c) 2010 Don Prince <dhprince.devel@xxxxxxxxxxx>
*/

/*
@@ -17,6 +18,7 @@
*/

#include <linux/device.h>
+#include <linux/usb.h>
#include <linux/hid.h>
#include <linux/module.h>

@@ -43,21 +45,21 @@
* 4. 171 byte report descriptor
* Report #3 has an array field with logical range 0..1 instead of 1..3.
*/
-static inline void samsung_dev_trace(struct hid_device *hdev,
+static inline void samsung_irda_dev_trace(struct hid_device *hdev,
unsigned int rsize)
{
dev_info(&hdev->dev, "fixing up Samsung IrDA %d byte report "
"descriptor\n", rsize);
}

-static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static void samsung_irda_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int rsize)
{
if (rsize == 184 && rdesc[175] == 0x25 && rdesc[176] == 0x40 &&
rdesc[177] == 0x75 && rdesc[178] == 0x30 &&
rdesc[179] == 0x95 && rdesc[180] == 0x01 &&
rdesc[182] == 0x40) {
- samsung_dev_trace(hdev, 184);
+ samsung_irda_dev_trace(hdev, 184);
rdesc[176] = 0xff;
rdesc[178] = 0x08;
rdesc[180] = 0x06;
@@ -65,24 +67,123 @@ static void samsung_report_fixup(struct
} else
if (rsize == 203 && rdesc[192] == 0x15 && rdesc[193] == 0x0 &&
rdesc[194] == 0x25 && rdesc[195] == 0x12) {
- samsung_dev_trace(hdev, 203);
+ samsung_irda_dev_trace(hdev, 203);
rdesc[193] = 0x1;
rdesc[195] = 0xf;
} else
if (rsize == 135 && rdesc[124] == 0x15 && rdesc[125] == 0x0 &&
rdesc[126] == 0x25 && rdesc[127] == 0x11) {
- samsung_dev_trace(hdev, 135);
+ samsung_irda_dev_trace(hdev, 135);
rdesc[125] = 0x1;
rdesc[127] = 0xe;
} else
if (rsize == 171 && rdesc[160] == 0x15 && rdesc[161] == 0x0 &&
rdesc[162] == 0x25 && rdesc[163] == 0x01) {
- samsung_dev_trace(hdev, 171);
+ samsung_irda_dev_trace(hdev, 171);
rdesc[161] = 0x1;
rdesc[163] = 0x3;
}
}

+#define samsung_kbd_mouse_map_key_clear(c) \
+ hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
+
+static int samsung_kbd_mouse_input_mapping(struct hid_device *hdev,
+ struct hid_input *hi, struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+
+ if (1 != ifnum || HID_UP_CONSUMER != (usage->hid & HID_USAGE_PAGE))
+ return 0;
+
+ dbg_hid("samsung wireless keyboard/mouse input mapping event [0x%x]\n",
+ usage->hid & HID_USAGE);
+
+ switch (usage->hid & HID_USAGE) {
+ /* report 2 */
+ case 0x0b5:
+ samsung_kbd_mouse_map_key_clear(KEY_NEXTSONG);
+ break;
+ case 0x0b6:
+ samsung_kbd_mouse_map_key_clear(KEY_PREVIOUSSONG);
+ break;
+ case 0x0b7:
+ samsung_kbd_mouse_map_key_clear(KEY_STOPCD);
+ break;
+ case 0x0cd:
+ samsung_kbd_mouse_map_key_clear(KEY_PLAYPAUSE);
+ break;
+ case 0x0e2:
+ samsung_kbd_mouse_map_key_clear(KEY_MUTE);
+ break;
+ case 0x0e9:
+ samsung_kbd_mouse_map_key_clear(KEY_VOLUMEUP);
+ break;
+ case 0x0ea:
+ samsung_kbd_mouse_map_key_clear(KEY_VOLUMEDOWN);
+ break;
+ case 0x183:
+ samsung_kbd_mouse_map_key_clear(KEY_MEDIA);
+ break;
+ case 0x195:
+ samsung_kbd_mouse_map_key_clear(KEY_EMAIL);
+ break;
+ case 0x196:
+ samsung_kbd_mouse_map_key_clear(KEY_CALC);
+ break;
+ case 0x197:
+ samsung_kbd_mouse_map_key_clear(KEY_COMPUTER);
+ break;
+ case 0x22b:
+ samsung_kbd_mouse_map_key_clear(KEY_SEARCH);
+ break;
+ case 0x22c:
+ samsung_kbd_mouse_map_key_clear(KEY_WWW);
+ break;
+ case 0x22d:
+ samsung_kbd_mouse_map_key_clear(KEY_BACK);
+ break;
+ case 0x22e:
+ samsung_kbd_mouse_map_key_clear(KEY_FORWARD);
+ break;
+ case 0x22f:
+ samsung_kbd_mouse_map_key_clear(KEY_FAVORITES);
+ break;
+ case 0x230:
+ samsung_kbd_mouse_map_key_clear(KEY_REFRESH);
+ break;
+ case 0x231:
+ samsung_kbd_mouse_map_key_clear(KEY_STOP);
+ break;
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+ unsigned int rsize)
+{
+ if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product)
+ samsung_irda_report_fixup(hdev, rdesc, rsize);
+}
+
+static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
+ struct hid_field *field, struct hid_usage *usage,
+ unsigned long **bit, int *max)
+{
+ int ret = 0;
+
+ if (USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE == hdev->product)
+ ret = samsung_kbd_mouse_input_mapping(hdev,
+ hi, field, usage, bit, max);
+
+ return ret;
+}
+
static int samsung_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
@@ -95,10 +196,12 @@ static int samsung_probe(struct hid_devi
goto err_free;
}

- if (hdev->rsize == 184) {
- /* disable hidinput, force hiddev */
- cmask = (cmask & ~HID_CONNECT_HIDINPUT) |
- HID_CONNECT_HIDDEV_FORCE;
+ if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product) {
+ if (hdev->rsize == 184) {
+ /* disable hidinput, force hiddev */
+ cmask = (cmask & ~HID_CONNECT_HIDINPUT) |
+ HID_CONNECT_HIDDEV_FORCE;
+ }
}

ret = hid_hw_start(hdev, cmask);
@@ -114,6 +217,7 @@ err_free:

static const struct hid_device_id samsung_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
{ }
};
MODULE_DEVICE_TABLE(hid, samsung_devices);
@@ -122,6 +226,7 @@ static struct hid_driver samsung_driver
.name = "samsung",
.id_table = samsung_devices,
.report_fixup = samsung_report_fixup,
+ .input_mapping = samsung_input_mapping,
.probe = samsung_probe,
};

diff -X /opt/scripts/diff-exclude.txt -Npaur a/drivers/hid/Kconfig b/drivers/hid/Kconfig
--- a/drivers/hid/Kconfig 2010-03-09 13:53:05.930183131 +0000
+++ b/drivers/hid/Kconfig 2010-05-15 20:38:53.584485932 +0100
@@ -273,7 +273,7 @@ config HID_SAMSUNG
depends on USB_HID
default !EMBEDDED
---help---
- Support for Samsung InfraRed remote control.
+ Support for Samsung InfraRed remote control or keyboards.

config HID_SONY
tristate "Sony" if EMBEDDED

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Next message: Arnaldo Carvalho de Melo: "[GIT PULL 0/2] perf improvements"
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