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193 lines
3.8 KiB
193 lines
3.8 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* FireDTV driver (formerly known as FireSAT) |
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* |
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* Copyright (C) 2004 Andreas Monitzer <[email protected]> |
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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/slab.h> |
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#include <linux/string.h> |
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#include <linux/types.h> |
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#include <linux/workqueue.h> |
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#include "firedtv.h" |
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/* fixed table with older keycodes, geared towards MythTV */ |
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static const u16 oldtable[] = { |
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/* code from device: 0x4501...0x451f */ |
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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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/* code from device: 0x4540...0x4542 */ |
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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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/* user-modifiable table for a remote as sold in 2008 */ |
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static const u16 keytable[] = { |
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/* code from device: 0x0300...0x031f */ |
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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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/* code from device: 0x0340...0x0354 */ |
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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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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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idev = input_allocate_device(); |
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if (!idev) |
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return -ENOMEM; |
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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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for (i = 0; i < ARRAY_SIZE(keytable); i++) |
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set_bit(keytable[i], idev->keybit); |
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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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return 0; |
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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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void fdtv_unregister_rc(struct firedtv *fdtv) |
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{ |
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cancel_work_sync(&fdtv->remote_ctrl_work); |
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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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void fdtv_handle_rc(struct firedtv *fdtv, unsigned int code) |
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{ |
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struct input_dev *idev = fdtv->remote_ctrl_dev; |
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u16 *keycode = idev->keycode; |
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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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dev_dbg(fdtv->device, |
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"invalid key code 0x%04x from remote control\n", |
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code); |
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return; |
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} |
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input_report_key(idev, code, 1); |
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input_sync(idev); |
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input_report_key(idev, code, 0); |
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input_sync(idev); |
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}
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