1/* 2 * FireDTV driver (formerly known as FireSAT) 3 * 4 * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 */ 11 12#include <linux/bitops.h> 13#include <linux/input.h> 14#include <linux/kernel.h> 15#include <linux/slab.h> 16#include <linux/string.h> 17#include <linux/types.h> 18#include <linux/workqueue.h> 19 20#include "firedtv.h" 21 22/* fixed table with older keycodes, geared towards MythTV */ 23static const u16 oldtable[] = { 24 25 /* code from device: 0x4501...0x451f */ 26 27 KEY_ESC, 28 KEY_F9, 29 KEY_1, 30 KEY_2, 31 KEY_3, 32 KEY_4, 33 KEY_5, 34 KEY_6, 35 KEY_7, 36 KEY_8, 37 KEY_9, 38 KEY_I, 39 KEY_0, 40 KEY_ENTER, 41 KEY_RED, 42 KEY_UP, 43 KEY_GREEN, 44 KEY_F10, 45 KEY_SPACE, 46 KEY_F11, 47 KEY_YELLOW, 48 KEY_DOWN, 49 KEY_BLUE, 50 KEY_Z, 51 KEY_P, 52 KEY_PAGEDOWN, 53 KEY_LEFT, 54 KEY_W, 55 KEY_RIGHT, 56 KEY_P, 57 KEY_M, 58 59 /* code from device: 0x4540...0x4542 */ 60 61 KEY_R, 62 KEY_V, 63 KEY_C, 64}; 65 66/* user-modifiable table for a remote as sold in 2008 */ 67static const u16 keytable[] = { 68 69 /* code from device: 0x0300...0x031f */ 70 71 [0x00] = KEY_POWER, 72 [0x01] = KEY_SLEEP, 73 [0x02] = KEY_STOP, 74 [0x03] = KEY_OK, 75 [0x04] = KEY_RIGHT, 76 [0x05] = KEY_1, 77 [0x06] = KEY_2, 78 [0x07] = KEY_3, 79 [0x08] = KEY_LEFT, 80 [0x09] = KEY_4, 81 [0x0a] = KEY_5, 82 [0x0b] = KEY_6, 83 [0x0c] = KEY_UP, 84 [0x0d] = KEY_7, 85 [0x0e] = KEY_8, 86 [0x0f] = KEY_9, 87 [0x10] = KEY_DOWN, 88 [0x11] = KEY_TITLE, 89 [0x12] = KEY_0, 90 [0x13] = KEY_F20, 91 [0x14] = KEY_SCREEN, 92 [0x15] = KEY_MUTE, 93 [0x16] = KEY_SUBTITLE, 94 [0x17] = KEY_RECORD, 95 [0x18] = KEY_TEXT, 96 [0x19] = KEY_AUDIO, 97 [0x1a] = KEY_RED, 98 [0x1b] = KEY_PREVIOUS, 99 [0x1c] = KEY_REWIND, 100 [0x1d] = KEY_PLAYPAUSE, 101 [0x1e] = KEY_NEXT, 102 [0x1f] = KEY_VOLUMEUP, 103 104 /* code from device: 0x0340...0x0354 */ 105 106 [0x20] = KEY_CHANNELUP, 107 [0x21] = KEY_F21, 108 [0x22] = KEY_TV, 109 [0x23] = KEY_DVD, 110 [0x24] = KEY_VCR, 111 [0x25] = KEY_AUX, 112 [0x26] = KEY_GREEN, 113 [0x27] = KEY_YELLOW, 114 [0x28] = KEY_BLUE, 115 [0x29] = KEY_CHANNEL, /* "CH.LIST" */ 116 [0x2a] = KEY_VENDOR, 117 [0x2b] = KEY_VOLUMEDOWN, 118 [0x2c] = KEY_CHANNELDOWN, 119 [0x2d] = KEY_LAST, 120 [0x2e] = KEY_INFO, 121 [0x2f] = KEY_FORWARD, 122 [0x30] = KEY_LIST, 123 [0x31] = KEY_FAVORITES, 124 [0x32] = KEY_MENU, 125 [0x33] = KEY_EPG, 126 [0x34] = KEY_EXIT, 127}; 128 129int fdtv_register_rc(struct firedtv *fdtv, struct device *dev) 130{ 131 struct input_dev *idev; 132 int i, err; 133 134 idev = input_allocate_device(); 135 if (!idev) 136 return -ENOMEM; 137 138 fdtv->remote_ctrl_dev = idev; 139 idev->name = "FireDTV remote control"; 140 idev->dev.parent = dev; 141 idev->evbit[0] = BIT_MASK(EV_KEY); 142 idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL); 143 if (!idev->keycode) { 144 err = -ENOMEM; 145 goto fail; 146 } 147 idev->keycodesize = sizeof(keytable[0]); 148 idev->keycodemax = ARRAY_SIZE(keytable); 149 150 for (i = 0; i < ARRAY_SIZE(keytable); i++) 151 set_bit(keytable[i], idev->keybit); 152 153 err = input_register_device(idev); 154 if (err) 155 goto fail_free_keymap; 156 157 return 0; 158 159fail_free_keymap: 160 kfree(idev->keycode); 161fail: 162 input_free_device(idev); 163 return err; 164} 165 166void fdtv_unregister_rc(struct firedtv *fdtv) 167{ 168 cancel_work_sync(&fdtv->remote_ctrl_work); 169 kfree(fdtv->remote_ctrl_dev->keycode); 170 input_unregister_device(fdtv->remote_ctrl_dev); 171} 172 173void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code) 174{ 175 u16 *keycode = fdtv->remote_ctrl_dev->keycode; 176 177 if (code >= 0x0300 && code <= 0x031f) 178 code = keycode[code - 0x0300]; 179 else if (code >= 0x0340 && code <= 0x0354) 180 code = keycode[code - 0x0320]; 181 else if (code >= 0x4501 && code <= 0x451f) 182 code = oldtable[code - 0x4501]; 183 else if (code >= 0x4540 && code <= 0x4542) 184 code = oldtable[code - 0x4521]; 185 else { 186 printk(KERN_DEBUG "firedtv: invalid key code 0x%04x " 187 "from remote control\n", code); 188 return; 189 } 190 191 input_report_key(fdtv->remote_ctrl_dev, code, 1); 192 input_report_key(fdtv->remote_ctrl_dev, code, 0); 193} 194