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