/* * FireDTV driver (formerly known as FireSAT) * * Copyright (C) 2004 Andreas Monitzer <andy@monitzer.com> * * 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/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 { printk(KERN_DEBUG "firedtv: 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); }