M7350/bootable/bootloader/lk/dev/panel/msm/lcdc_truly_hvga.c

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2024-09-09 08:52:07 +00:00
/*
* 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE 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 <msm_panel.h>
#include <platform/gpio.h>
#include <debug.h>
#include <err.h>
#include "lcdc_truly.h"
extern void spi_bit_bang_write(uint8_t, uint8_t, uint8_t, uint8_t);
static char data1[] = { 0xff, 0x83, 0x57, };
static char data2[] = { 0x03, };
static char data3[] = { 0x00, 0x13, 0x1C, 0x1C, 0x83, 0x48, };
static char data4[] = { 0x43, 0x06, 0x06, 0x06, };
static char data5[] = { 0x53, };
static char data6[] = { 0x02, 0x40, 0x00, 0x2a, 0x2a, 0x0d, 0x3f, };
static char data7[] = { 0x70, 0x50, 0x01, 0x3c, 0xe8, 0x08, };
static char data8[] = { 0x17, 0x0f, };
static char data9[] = { 0x60};
static char data10[] = { 0x00, 0x13, 0x1a, 0x29, 0x2d, 0x41, 0x49,
0x52, 0x48, 0x41, 0x3c, 0x33, 0x30, 0x1c,
0x19, 0x03, 0x00, 0x13, 0x1a, 0x29, 0x2d,
0x41, 0x49, 0x52, 0x48, 0x41, 0x3c, 0x33,
0x31, 0x1c, 0x19, 0x03, 0x00, 0x01,
};
static char data11[] = { 0x40, };
static void lcdc_truly_panel_power(int on)
{
uint32_t func = 0;
uint32_t pull = 0;
uint32_t drv = 0;
uint32_t dir = 0;
dprintf(SPEW, "lcdc_truly_panel_power on = %d\n", on);
if (on) {
func = 0;
dir = GPIO_OUTPUT;
pull = GPIO_NO_PULL;
drv = GPIO_2MA;
/* config SPI, RESET and Backlight */
gpio_tlmm_config(GPIO_CFG(SPI_MOSI, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(SPI_SCLK, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(SPI_CS, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(BACKLIGHT_EN, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(DISPLAY_RESET, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(LCD_LDO_2V8, func, dir, pull, drv), 0);
gpio_tlmm_config(GPIO_CFG(LCD_LDO_1V8, func, dir, pull, drv), 0);
gpio_config(SPI_MOSI, GPIO_OUTPUT);
gpio_config(SPI_SCLK, GPIO_OUTPUT);
gpio_config(SPI_CS, GPIO_OUTPUT);
gpio_config(BACKLIGHT_EN, GPIO_OUTPUT);
gpio_config(DISPLAY_RESET, GPIO_OUTPUT);
gpio_config(LCD_LDO_2V8, GPIO_OUTPUT);
gpio_config(LCD_LDO_1V8, GPIO_OUTPUT);
/* turn on backlight */
gpio_set(BACKLIGHT_EN, 1);
/* turn on power */
gpio_set(LCD_LDO_1V8, 1);
gpio_set(LCD_LDO_2V8, 1);
/* reset */
gpio_set(DISPLAY_RESET, 1);
/*
* H/w requires delay between toggle
* reset pin
*/
mdelay(20);
gpio_set(DISPLAY_RESET, 0);
mdelay(20);
gpio_set(DISPLAY_RESET, 1);
mdelay(20);
} else {
/* turn off backlight */
gpio_set(BACKLIGHT_EN, 0);
gpio_set(DISPLAY_RESET, 0);
/* turn off power */
gpio_set(LCD_LDO_1V8, 0);
gpio_set(LCD_LDO_2V8, 0);
}
return;
}
static int truly_spi_write(char cmd, char *data, int num)
{
int i;
gpio_set(SPI_CS, 0); /* cs low */
/* command byte first */
spi_bit_bang_write(SPI_SCLK, SPI_MOSI, 0, cmd);
/* followed by parameter bytes */
for(i = 0; i < num; i++) {
if(data)
spi_bit_bang_write(SPI_SCLK, SPI_MOSI, 1, data[i]);
}
gpio_set(SPI_MOSI, 1); /* mosi high */
gpio_set(SPI_CS, 1); /* cs high */
/*
* H/W needs delay for gpio's to turn high
*/
udelay(10);
return 0;
}
void lcdc_truly_disp_on(void)
{
int i;
dprintf(SPEW, "lcdc_truly_disp_on\n");
gpio_set(SPI_CS, 1); /* cs high */
/*
* This function uses delays as defined by the panel
* vendor before writing to registers
*/
truly_spi_write(0xb9, data1, sizeof(data1));
mdelay(20);
truly_spi_write(0xcc, data2, sizeof(data2));
truly_spi_write(0xb1, data3, sizeof(data3));
truly_spi_write(0xb3, data4, sizeof(data4));
truly_spi_write(0xb6, data5, sizeof(data5));
truly_spi_write(0xb4, data6, sizeof(data6));
truly_spi_write(0xc0, data7, sizeof(data7));
truly_spi_write(0xe3, data8, sizeof(data8));
truly_spi_write(0x3a, data9, sizeof(data9));
truly_spi_write(0xe0, data10, sizeof(data10));
truly_spi_write(0x36, data11, sizeof(data11));
truly_spi_write(0x11, NULL, 0);
mdelay(150);
truly_spi_write(0x29, NULL, 0);
mdelay(25);
}
void lcdc_truly_disp_off(void)
{
dprintf(SPEW, "lcdc_truly_disp_off\n");
truly_spi_write(0x28, NULL, 0);
mdelay(5);
truly_spi_write(0x10, NULL, 0);
}
int lcdc_truly_panel_on(int on)
{
dprintf(SPEW, "lcdc_truly_panel_on\n");
if (on) {
lcdc_truly_panel_power(1);
lcdc_truly_disp_on();
} else {
lcdc_truly_panel_power(0);
lcdc_truly_disp_off();
}
return NO_ERROR;
}
int lcdc_truly_hvga_on()
{
return NO_ERROR;
}
int lcdc_truly_hvga_off()
{
return NO_ERROR;
}
void lcdc_truly_hvga_init(struct msm_panel_info *pinfo)
{
if (!pinfo)
return;
pinfo->xres = 320;
pinfo->yres = 480;
pinfo->type = LCDC_PANEL;
pinfo->wait_cycle = 0;
pinfo->bpp = 16;
pinfo->clk_rate = 10240000;
pinfo->lcdc.h_pulse_width = 8;
pinfo->lcdc.h_back_porch = 16;
pinfo->lcdc.h_front_porch = 4;
pinfo->lcdc.hsync_skew = 0;
pinfo->lcdc.v_pulse_width = 1;
pinfo->lcdc.v_back_porch = 7;
pinfo->lcdc.v_front_porch = 3;
pinfo->on = lcdc_truly_hvga_on;
pinfo->off = lcdc_truly_hvga_off;
return;
}