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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | // SPDX-License-Identifier: GPL-2.0-or-later /* * FireDTV driver (formerly known as FireSAT) * * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> */ #include <linux/bitops.h> #include <linux/input.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/types.h> #include <linux/workqueue.h> #include "firedtv.h" /* fixed table with older keycodes, geared towards MythTV */ static const u16 oldtable[] = { /* code from device: 0x4501...0x451f */ KEY_ESC, KEY_F9, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_I, KEY_0, KEY_ENTER, KEY_RED, KEY_UP, KEY_GREEN, KEY_F10, KEY_SPACE, KEY_F11, KEY_YELLOW, KEY_DOWN, KEY_BLUE, KEY_Z, KEY_P, KEY_PAGEDOWN, KEY_LEFT, KEY_W, KEY_RIGHT, KEY_P, KEY_M, /* code from device: 0x4540...0x4542 */ KEY_R, KEY_V, KEY_C, }; /* user-modifiable table for a remote as sold in 2008 */ static const u16 keytable[] = { /* code from device: 0x0300...0x031f */ [0x00] = KEY_POWER, [0x01] = KEY_SLEEP, [0x02] = KEY_STOP, [0x03] = KEY_OK, [0x04] = KEY_RIGHT, [0x05] = KEY_1, [0x06] = KEY_2, [0x07] = KEY_3, [0x08] = KEY_LEFT, [0x09] = KEY_4, [0x0a] = KEY_5, [0x0b] = KEY_6, [0x0c] = KEY_UP, [0x0d] = KEY_7, [0x0e] = KEY_8, [0x0f] = KEY_9, [0x10] = KEY_DOWN, [0x11] = KEY_TITLE, /* "OSD" - fixme */ [0x12] = KEY_0, [0x13] = KEY_F20, /* "16:9" - fixme */ [0x14] = KEY_SCREEN, /* "FULL" - fixme */ [0x15] = KEY_MUTE, [0x16] = KEY_SUBTITLE, [0x17] = KEY_RECORD, [0x18] = KEY_TEXT, [0x19] = KEY_AUDIO, [0x1a] = KEY_RED, [0x1b] = KEY_PREVIOUS, [0x1c] = KEY_REWIND, [0x1d] = KEY_PLAYPAUSE, [0x1e] = KEY_NEXT, [0x1f] = KEY_VOLUMEUP, /* code from device: 0x0340...0x0354 */ [0x20] = KEY_CHANNELUP, [0x21] = KEY_F21, /* "4:3" - fixme */ [0x22] = KEY_TV, [0x23] = KEY_DVD, [0x24] = KEY_VCR, [0x25] = KEY_AUX, [0x26] = KEY_GREEN, [0x27] = KEY_YELLOW, [0x28] = KEY_BLUE, [0x29] = KEY_CHANNEL, /* "CH.LIST" */ [0x2a] = KEY_VENDOR, /* "CI" - fixme */ [0x2b] = KEY_VOLUMEDOWN, [0x2c] = KEY_CHANNELDOWN, [0x2d] = KEY_LAST, [0x2e] = KEY_INFO, [0x2f] = KEY_FORWARD, [0x30] = KEY_LIST, [0x31] = KEY_FAVORITES, [0x32] = KEY_MENU, [0x33] = KEY_EPG, [0x34] = KEY_EXIT, }; int fdtv_register_rc(struct firedtv *fdtv, struct device *dev) { struct input_dev *idev; int i, err; idev = input_allocate_device(); if (!idev) return -ENOMEM; fdtv->remote_ctrl_dev = idev; idev->name = "FireDTV remote control"; idev->dev.parent = dev; idev->evbit[0] = BIT_MASK(EV_KEY); idev->keycode = kmemdup(keytable, sizeof(keytable), GFP_KERNEL); if (!idev->keycode) { err = -ENOMEM; goto fail; } idev->keycodesize = sizeof(keytable[0]); idev->keycodemax = ARRAY_SIZE(keytable); for (i = 0; i < ARRAY_SIZE(keytable); i++) set_bit(keytable[i], idev->keybit); err = input_register_device(idev); if (err) goto fail_free_keymap; return 0; fail_free_keymap: kfree(idev->keycode); fail: input_free_device(idev); return err; } void fdtv_unregister_rc(struct firedtv *fdtv) { cancel_work_sync(&fdtv->remote_ctrl_work); kfree(fdtv->remote_ctrl_dev->keycode); input_unregister_device(fdtv->remote_ctrl_dev); } void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code) { struct input_dev *idev = fdtv->remote_ctrl_dev; u16 *keycode = idev->keycode; if (code >= 0x0300 && code <= 0x031f) code = keycode[code - 0x0300]; else if (code >= 0x0340 && code <= 0x0354) code = keycode[code - 0x0320]; else if (code >= 0x4501 && code <= 0x451f) code = oldtable[code - 0x4501]; else if (code >= 0x4540 && code <= 0x4542) code = oldtable[code - 0x4521]; else { dev_dbg(fdtv->device, "invalid key code 0x%04x from remote control\n", code); return; } input_report_key(idev, code, 1); input_sync(idev); input_report_key(idev, code, 0); input_sync(idev); } |