194 lines
3.8 KiB
C
194 lines
3.8 KiB
C
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// 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 <andy@monitzer.com>
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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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