linux/drivers/media/firewire/firedtv-rc.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

194 lines
3.8 KiB
C

// 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);
}