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/*
SiI8348 Linux Driver
Copyright (C) 2013 Silicon Image, Inc.
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 version 2.
This program is distributed AS-IS WITHOUT ANY WARRANTY of any
kind, whether express or implied; INCLUDING without the implied warranty
of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE or NON-INFRINGEMENT. See
the GNU General Public License for more details at http://www.gnu.org/licenses/gpl-2.0.html.
*/
/**
@file mhl_rcp_inputdev.c
*/
#include "sii_hal.h"
#ifdef RCP_INPUTDEV_SUPPORT
#include <linux/input.h>
#include <linux/cdev.h>
#include <linux/hrtimer.h>
#include "si_fw_macros.h"
#include "si_mhl_defs.h"
#include "si_infoframe.h"
#include "si_edid.h"
#include "si_mhl2_edid_3d_api.h"
#include "si_mhl_tx_hw_drv_api.h"
#ifdef MEDIA_DATA_TUNNEL_SUPPORT
#include "si_mdt_inputdev.h"
#endif
#include "mhl_linux_tx.h"
#include "platform.h"
static u16 rcp_def_keymap[] = {
KEY_OK,
KEY_UP,
KEY_DOWN,
KEY_LEFT,
KEY_RIGHT,
KEY_UNKNOWN, /* right-up */
KEY_UNKNOWN, /* right-down */
KEY_UNKNOWN, /* left-up */
KEY_UNKNOWN, /* left-down */
KEY_MENU,
KEY_UNKNOWN, /* setup */
KEY_UNKNOWN, /* contents */
KEY_UNKNOWN, /* favorite */
KEY_BACK,
KEY_RESERVED, /* 0x0e */
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED, /* 0x1F */
KEY_0,
KEY_1,
KEY_2,
KEY_3,
KEY_4,
KEY_5,
KEY_6,
KEY_7,
KEY_8,
KEY_9,
KEY_DOT,
KEY_ENTER,
KEY_CLEAR,
KEY_RESERVED, /* 0x2D */
KEY_RESERVED,
KEY_RESERVED, /* 0x2F */
KEY_UNKNOWN, /* channel up */
KEY_UNKNOWN, /* channel down */
KEY_UNKNOWN, /* previous channel */
KEY_SOUND, /* sound select */
KEY_UNKNOWN, /* input select */
KEY_UNKNOWN, /* show information */
KEY_UNKNOWN, /* help */
KEY_UNKNOWN, /* page up */
KEY_UNKNOWN, /* page down */
KEY_RESERVED, /* 0x39 */
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED, /* 0x3F */
KEY_RESERVED, /* 0x40 */
KEY_UNKNOWN, /* volume up */
KEY_UNKNOWN, /* volume down */
KEY_UNKNOWN, /* mute */
KEY_PLAY,
KEY_STOP,
KEY_PAUSECD,
KEY_UNKNOWN, /* record */
KEY_REWIND,
KEY_FASTFORWARD,
KEY_EJECTCD, /* eject */
KEY_NEXTSONG,
KEY_PREVIOUSSONG,
KEY_RESERVED, /* 0x4D */
KEY_RESERVED,
KEY_RESERVED, /* 0x4F */
KEY_UNKNOWN, /* angle */
KEY_UNKNOWN, /* subtitle */
KEY_RESERVED, /* 0x52 */
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED, /* 0x5F */
KEY_PLAY,
KEY_PAUSE,
KEY_UNKNOWN, /* record_function */
KEY_UNKNOWN, /* pause_record_function */
KEY_STOP,
KEY_UNKNOWN, /* mute_function */
KEY_UNKNOWN, /* restore_volume_function */
KEY_UNKNOWN, /* tune_function */
KEY_UNKNOWN, /* select_media_function */
KEY_RESERVED, /* 0x69 */
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED, /* 0x70 */
KEY_F1, /* F1 */
KEY_F2, /* F2 */
KEY_F3, /* F3 */
KEY_F4, /* F4 */
KEY_F5, /* F5 */
KEY_RESERVED, /* 0x76 */
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED,
KEY_RESERVED, /* 0x7D */
KEY_VENDOR,
KEY_RESERVED, /* 0x7F */
};
int generate_rcp_input_event(struct mhl_dev_context *dev_context,
uint8_t rcp_keycode)
{
int status = -EINVAL;
if (dev_context->rcp_input_dev == NULL)
{
MHL_TX_DBG_ERR(dev_context, "RCP input device not exists!\n");
goto exit;
}
if (rcp_keycode < ARRAY_SIZE(rcp_def_keymap) &&
rcp_def_keymap[rcp_keycode] != KEY_UNKNOWN &&
rcp_def_keymap[rcp_keycode] != KEY_RESERVED) {
input_report_key(dev_context->rcp_input_dev, rcp_def_keymap[rcp_keycode], 1);
input_report_key(dev_context->rcp_input_dev, rcp_def_keymap[rcp_keycode], 0);
input_sync(dev_context->rcp_input_dev);
status = 0;
}
exit:
return status;
}
uint8_t init_rcp_input_dev(struct mhl_dev_context *dev_context)
{
int i;
uint8_t error;
struct input_dev *rcp_input_dev;
if (dev_context->rcp_input_dev != NULL) {
MHL_TX_DBG_INFO(dev_context, "RCP input device already exists!\n");
return 0;
}
rcp_input_dev = input_allocate_device();
if (!rcp_input_dev) {
MHL_TX_DBG_ERR(dev_context, "Failed to allocate RCP input device\n");
return -ENOMEM;
}
set_bit(EV_KEY, rcp_input_dev->evbit);
// rcp_input_dev->phys = "mdt_kbd/input0";
rcp_input_dev->name = "MHL Remote Control";
rcp_input_dev->keycode = rcp_def_keymap;
rcp_input_dev->keycodesize = sizeof(u16);
rcp_input_dev->keycodemax = ARRAY_SIZE(rcp_def_keymap);
for (i = 1; i < ARRAY_SIZE(rcp_def_keymap); i++) {
u16 keycode = rcp_def_keymap[i];
if (keycode != KEY_UNKNOWN && keycode != KEY_RESERVED)
set_bit(keycode, rcp_input_dev->keybit);
}
rcp_input_dev->id.bustype = BUS_VIRTUAL;
// rcp_input_dev->id.vendor = 0x1095;
// rcp_input_dev->id.product = 0x8348;
error = input_register_device(rcp_input_dev);
if (error) {
MHL_TX_DBG_ERR(dev_context, "Failed to register device\n");
input_free_device(rcp_input_dev);
return error;
}
MHL_TX_DBG_INFO(dev_context, "device created\n");
dev_context->rcp_input_dev = rcp_input_dev;
return 0;
}
void destroy_rcp_input_dev(struct mhl_dev_context *dev_context)
{
if (dev_context->rcp_input_dev) {
input_unregister_device(dev_context->rcp_input_dev);
dev_context->rcp_input_dev = NULL;
}
}
#endif /* #ifdef RCP_INPUTDEV_SUPPORT */
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