191 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			191 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * FireDTV driver (formerly known as FireSAT)
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|  *
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|  * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com>
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|  *
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|  *	This program is free software; you can redistribute it and/or
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|  *	modify it under the terms of the GNU General Public License as
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|  *	published by the Free Software Foundation; either version 2 of
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|  *	the License, or (at your option) any later version.
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|  */
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| 
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| #include <linux/bitops.h>
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| #include <linux/input.h>
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| #include <linux/kernel.h>
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| #include <linux/string.h>
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| #include <linux/types.h>
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| 
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| #include "firedtv.h"
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| 
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| /* fixed table with older keycodes, geared towards MythTV */
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| static const u16 oldtable[] = {
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| 
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| 	/* code from device: 0x4501...0x451f */
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| 
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| 	KEY_ESC,
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| 	KEY_F9,
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| 	KEY_1,
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| 	KEY_2,
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| 	KEY_3,
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| 	KEY_4,
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| 	KEY_5,
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| 	KEY_6,
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| 	KEY_7,
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| 	KEY_8,
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| 	KEY_9,
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| 	KEY_I,
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| 	KEY_0,
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| 	KEY_ENTER,
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| 	KEY_RED,
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| 	KEY_UP,
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| 	KEY_GREEN,
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| 	KEY_F10,
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| 	KEY_SPACE,
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| 	KEY_F11,
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| 	KEY_YELLOW,
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| 	KEY_DOWN,
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| 	KEY_BLUE,
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| 	KEY_Z,
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| 	KEY_P,
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| 	KEY_PAGEDOWN,
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| 	KEY_LEFT,
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| 	KEY_W,
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| 	KEY_RIGHT,
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| 	KEY_P,
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| 	KEY_M,
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| 
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| 	/* code from device: 0x4540...0x4542 */
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| 
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| 	KEY_R,
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| 	KEY_V,
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| 	KEY_C,
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| };
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| 
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| /* user-modifiable table for a remote as sold in 2008 */
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| static const u16 keytable[] = {
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| 
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| 	/* code from device: 0x0300...0x031f */
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| 
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| 	[0x00] = KEY_POWER,
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| 	[0x01] = KEY_SLEEP,
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| 	[0x02] = KEY_STOP,
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| 	[0x03] = KEY_OK,
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| 	[0x04] = KEY_RIGHT,
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| 	[0x05] = KEY_1,
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| 	[0x06] = KEY_2,
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| 	[0x07] = KEY_3,
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| 	[0x08] = KEY_LEFT,
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| 	[0x09] = KEY_4,
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| 	[0x0a] = KEY_5,
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| 	[0x0b] = KEY_6,
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| 	[0x0c] = KEY_UP,
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| 	[0x0d] = KEY_7,
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| 	[0x0e] = KEY_8,
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| 	[0x0f] = KEY_9,
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| 	[0x10] = KEY_DOWN,
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| 	[0x11] = KEY_TITLE,	/* "OSD" - fixme */
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| 	[0x12] = KEY_0,
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| 	[0x13] = KEY_F20,	/* "16:9" - fixme */
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| 	[0x14] = KEY_SCREEN,	/* "FULL" - fixme */
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| 	[0x15] = KEY_MUTE,
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| 	[0x16] = KEY_SUBTITLE,
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| 	[0x17] = KEY_RECORD,
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| 	[0x18] = KEY_TEXT,
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| 	[0x19] = KEY_AUDIO,
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| 	[0x1a] = KEY_RED,
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| 	[0x1b] = KEY_PREVIOUS,
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| 	[0x1c] = KEY_REWIND,
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| 	[0x1d] = KEY_PLAYPAUSE,
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| 	[0x1e] = KEY_NEXT,
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| 	[0x1f] = KEY_VOLUMEUP,
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| 
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| 	/* code from device: 0x0340...0x0354 */
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| 
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| 	[0x20] = KEY_CHANNELUP,
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| 	[0x21] = KEY_F21,	/* "4:3" - fixme */
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| 	[0x22] = KEY_TV,
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| 	[0x23] = KEY_DVD,
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| 	[0x24] = KEY_VCR,
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| 	[0x25] = KEY_AUX,
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| 	[0x26] = KEY_GREEN,
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| 	[0x27] = KEY_YELLOW,
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| 	[0x28] = KEY_BLUE,
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| 	[0x29] = KEY_CHANNEL,	/* "CH.LIST" */
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| 	[0x2a] = KEY_VENDOR,	/* "CI" - fixme */
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| 	[0x2b] = KEY_VOLUMEDOWN,
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| 	[0x2c] = KEY_CHANNELDOWN,
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| 	[0x2d] = KEY_LAST,
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| 	[0x2e] = KEY_INFO,
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| 	[0x2f] = KEY_FORWARD,
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| 	[0x30] = KEY_LIST,
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| 	[0x31] = KEY_FAVORITES,
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| 	[0x32] = KEY_MENU,
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| 	[0x33] = KEY_EPG,
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| 	[0x34] = KEY_EXIT,
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| };
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| 
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| int fdtv_register_rc(struct firedtv *fdtv, struct device *dev)
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| {
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| 	struct input_dev *idev;
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| 	int i, err;
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| 
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| 	idev = input_allocate_device();
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| 	if (!idev)
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| 		return -ENOMEM;
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| 
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| 	fdtv->remote_ctrl_dev = idev;
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| 	idev->name = "FireDTV remote control";
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| 	idev->dev.parent = dev;
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| 	idev->evbit[0] = BIT_MASK(EV_KEY);
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| 	idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL);
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| 	if (!idev->keycode) {
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| 		err = -ENOMEM;
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| 		goto fail;
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| 	}
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| 	idev->keycodesize = sizeof(keytable[0]);
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| 	idev->keycodemax = ARRAY_SIZE(keytable);
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| 
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| 	for (i = 0; i < ARRAY_SIZE(keytable); i++)
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| 		set_bit(keytable[i], idev->keybit);
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| 
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| 	err = input_register_device(idev);
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| 	if (err)
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| 		goto fail_free_keymap;
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| 
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| 	return 0;
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| 
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| fail_free_keymap:
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| 	kfree(idev->keycode);
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| fail:
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| 	input_free_device(idev);
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| 	return err;
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| }
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| 
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| void fdtv_unregister_rc(struct firedtv *fdtv)
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| {
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| 	kfree(fdtv->remote_ctrl_dev->keycode);
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| 	input_unregister_device(fdtv->remote_ctrl_dev);
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| }
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| 
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| void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code)
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| {
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| 	u16 *keycode = fdtv->remote_ctrl_dev->keycode;
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| 
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| 	if (code >= 0x0300 && code <= 0x031f)
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| 		code = keycode[code - 0x0300];
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| 	else if (code >= 0x0340 && code <= 0x0354)
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| 		code = keycode[code - 0x0320];
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| 	else if (code >= 0x4501 && code <= 0x451f)
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| 		code = oldtable[code - 0x4501];
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| 	else if (code >= 0x4540 && code <= 0x4542)
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| 		code = oldtable[code - 0x4521];
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| 	else {
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| 		printk(KERN_DEBUG "firedtv: invalid key code 0x%04x "
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| 		       "from remote control\n", code);
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| 		return;
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| 	}
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| 
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| 	input_report_key(fdtv->remote_ctrl_dev, code, 1);
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| 	input_report_key(fdtv->remote_ctrl_dev, code, 0);
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| }
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