diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/hid/hid-zydacron.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/hid/hid-zydacron.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/ANDROID_3.4.5/drivers/hid/hid-zydacron.c b/ANDROID_3.4.5/drivers/hid/hid-zydacron.c deleted file mode 100644 index 1ad85f22..00000000 --- a/ANDROID_3.4.5/drivers/hid/hid-zydacron.c +++ /dev/null @@ -1,235 +0,0 @@ -/* -* HID driver for zydacron remote control -* -* Copyright (c) 2010 Don Prince <dhprince.devel@yahoo.co.uk> -*/ - -/* -* This program is free software; you can redistribute it and/or modify it -* under the terms of the GNU General Public License as published by the Free -* Software Foundation; either version 2 of the License, or (at your option) -* any later version. -*/ - -#include <linux/device.h> -#include <linux/hid.h> -#include <linux/module.h> - -#include "hid-ids.h" - -struct zc_device { - struct input_dev *input_ep81; - unsigned short last_key[4]; -}; - - -/* -* Zydacron remote control has an invalid HID report descriptor, -* that needs fixing before we can parse it. -*/ -static __u8 *zc_report_fixup(struct hid_device *hdev, __u8 *rdesc, - unsigned int *rsize) -{ - if (*rsize >= 253 && - rdesc[0x96] == 0xbc && rdesc[0x97] == 0xff && - rdesc[0xca] == 0xbc && rdesc[0xcb] == 0xff && - rdesc[0xe1] == 0xbc && rdesc[0xe2] == 0xff) { - hid_info(hdev, - "fixing up zydacron remote control report descriptor\n"); - rdesc[0x96] = rdesc[0xca] = rdesc[0xe1] = 0x0c; - rdesc[0x97] = rdesc[0xcb] = rdesc[0xe2] = 0x00; - } - return rdesc; -} - -#define zc_map_key_clear(c) \ - hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) - -static int zc_input_mapping(struct hid_device *hdev, struct hid_input *hi, - struct hid_field *field, struct hid_usage *usage, - unsigned long **bit, int *max) -{ - int i; - struct zc_device *zc = hid_get_drvdata(hdev); - zc->input_ep81 = hi->input; - - if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) - return 0; - - dbg_hid("zynacron input mapping event [0x%x]\n", - usage->hid & HID_USAGE); - - switch (usage->hid & HID_USAGE) { - /* report 2 */ - case 0x10: - zc_map_key_clear(KEY_MODE); - break; - case 0x30: - zc_map_key_clear(KEY_SCREEN); - break; - case 0x70: - zc_map_key_clear(KEY_INFO); - break; - /* report 3 */ - case 0x04: - zc_map_key_clear(KEY_RADIO); - break; - /* report 4 */ - case 0x0d: - zc_map_key_clear(KEY_PVR); - break; - case 0x25: - zc_map_key_clear(KEY_TV); - break; - case 0x47: - zc_map_key_clear(KEY_AUDIO); - break; - case 0x49: - zc_map_key_clear(KEY_AUX); - break; - case 0x4a: - zc_map_key_clear(KEY_VIDEO); - break; - case 0x48: - zc_map_key_clear(KEY_DVD); - break; - case 0x24: - zc_map_key_clear(KEY_MENU); - break; - case 0x32: - zc_map_key_clear(KEY_TEXT); - break; - default: - return 0; - } - - for (i = 0; i < 4; i++) - zc->last_key[i] = 0; - - return 1; -} - -static int zc_raw_event(struct hid_device *hdev, struct hid_report *report, - u8 *data, int size) -{ - struct zc_device *zc = hid_get_drvdata(hdev); - int ret = 0; - unsigned key; - unsigned short index; - - if (report->id == data[0]) { - - /* break keys */ - for (index = 0; index < 4; index++) { - key = zc->last_key[index]; - if (key) { - input_event(zc->input_ep81, EV_KEY, key, 0); - zc->last_key[index] = 0; - } - } - - key = 0; - switch (report->id) { - case 0x02: - case 0x03: - switch (data[1]) { - case 0x10: - key = KEY_MODE; - index = 0; - break; - case 0x30: - key = KEY_SCREEN; - index = 1; - break; - case 0x70: - key = KEY_INFO; - index = 2; - break; - case 0x04: - key = KEY_RADIO; - index = 3; - break; - } - - if (key) { - input_event(zc->input_ep81, EV_KEY, key, 1); - zc->last_key[index] = key; - } - - ret = 1; - break; - } - } - - return ret; -} - -static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id) -{ - int ret; - struct zc_device *zc; - - zc = kzalloc(sizeof(*zc), GFP_KERNEL); - if (zc == NULL) { - hid_err(hdev, "can't alloc descriptor\n"); - return -ENOMEM; - } - - hid_set_drvdata(hdev, zc); - - ret = hid_parse(hdev); - if (ret) { - hid_err(hdev, "parse failed\n"); - goto err_free; - } - - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - hid_err(hdev, "hw start failed\n"); - goto err_free; - } - - return 0; -err_free: - kfree(zc); - - return ret; -} - -static void zc_remove(struct hid_device *hdev) -{ - struct zc_device *zc = hid_get_drvdata(hdev); - - hid_hw_stop(hdev); - kfree(zc); -} - -static const struct hid_device_id zc_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, - { } -}; -MODULE_DEVICE_TABLE(hid, zc_devices); - -static struct hid_driver zc_driver = { - .name = "zydacron", - .id_table = zc_devices, - .report_fixup = zc_report_fixup, - .input_mapping = zc_input_mapping, - .raw_event = zc_raw_event, - .probe = zc_probe, - .remove = zc_remove, -}; - -static int __init zc_init(void) -{ - return hid_register_driver(&zc_driver); -} - -static void __exit zc_exit(void) -{ - hid_unregister_driver(&zc_driver); -} - -module_init(zc_init); -module_exit(zc_exit); -MODULE_LICENSE("GPL"); |