M7350/bootable/bootloader/lk/dev/panel/msm/mipi_nt35510.c
2024-09-09 08:52:07 +00:00

78 lines
2.4 KiB
C

/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdint.h>
#include <msm_panel.h>
#include <mipi_dsi.h>
#include <sys/types.h>
#include <err.h>
#include <reg.h>
#include <debug.h>
#include <target/display.h>
#include <dev/gpio.h>
int mipi_nt35510_panel_dsi_config(int on)
{
if (on) {
gpio_config(96, GPIO_OUTPUT);
/*
* As per the specification follow the sequence to put lcd
* backlight in one wire mode.
*/
gpio_set(96, 0x1);
udelay(190);
gpio_set(96, 0x0);
udelay(286);
gpio_set(96, 0x1);
udelay(50);
gpio_config(35, GPIO_OUTPUT);
gpio_set(35, 0x1);
gpio_config(40, GPIO_OUTPUT);
gpio_set(40, 0x1);
gpio_config(85, GPIO_OUTPUT);
gpio_set(85, 0x1);
mdelay(20);
gpio_set(85, 0x0);
mdelay(20);
gpio_set(85, 0x1);
mdelay(20);
} else {
if (!target_cont_splash_screen()) {
gpio_set(96, 0x0);
gpio_set(35, 0x0);
gpio_set(40, 0x0);
}
}
return 0;
}