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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/kernel.h>
#include <linux/delay.h>
#include "lcdpanel.h"
static int32_t hx8369_init(struct panel_spec *self)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
/* SET password */
send_cmd(0xB9);
send_data(0xFF);
send_data(0x83);
send_data(0x69);
/* Set Power */
send_cmd(0xB1);
send_data(0x9D);
send_data(0x00);
send_data(0x34);
send_data(0x07);
send_data(0x00);
send_data(0x0B);
send_data(0x0B);
send_data(0x1A);
send_data(0x22);
send_data(0x3F);
send_data(0x3F);
send_data(0x01);
send_data(0x23);
send_data(0x01);
send_data(0xE6);
send_data(0xE6);
send_data(0xE6);
send_data(0xE6);
send_data(0xE6);
/* SET Display 480x800 */
send_cmd(0xB2);
send_data(0x00);
send_data(0x20);
send_data(0x03);
send_data(0x03);
send_data(0x70);
send_data(0x00);
send_data(0xFF);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x03);
send_data(0x03);
send_data(0x00);
send_data(0x01);
/* SET Display 480x800 */
send_cmd(0xB4);
send_data(0x00);
send_data(0x18);
send_data(0x80);
send_data(0x06);
send_data(0x02);
/* OSC */
send_cmd(0xB0);
send_data(0x00);
send_data(0x09); /*05 42HZ 07 50HZ 0B 100% 67HZ */
/* SET VCOM */
send_cmd(0xB6);
send_data(0x4A);
send_data(0x4A);
/* SET GIP */
send_cmd(0xD5);
send_data(0x00);
send_data(0x03);
send_data(0x03);
send_data(0x00);
send_data(0x01);
send_data(0x02);
send_data(0x28);
send_data(0x70);
send_data(0x11);
send_data(0x13);
send_data(0x00);
send_data(0x00);
send_data(0x40);
send_data(0x06);
send_data(0x51);
send_data(0x07);
send_data(0x00);
send_data(0x00);
send_data(0x41);
send_data(0x06);
send_data(0x50);
send_data(0x07);
send_data(0x07);
send_data(0x0F);
send_data(0x04);
send_data(0x00);
/* Set Gamma */
send_cmd(0xE0);
send_data(0x00);
send_data(0x01);
send_data(0x04);
send_data(0x23);
send_data(0x22);
send_data(0x3F);
send_data(0x13);
send_data(0x39);
send_data(0x06);
send_data(0x0B);
send_data(0x0E);
send_data(0x12);
send_data(0x15);
send_data(0x13);
send_data(0x15);
send_data(0x13);
send_data(0x1B);
send_data(0x00);
send_data(0x01);
send_data(0x04);
send_data(0x23);
send_data(0x22);
send_data(0x3F);
send_data(0x13);
send_data(0x39);
send_data(0x06);
send_data(0x0B);
send_data(0x0E);
send_data(0x12);
send_data(0x15);
send_data(0x13);
send_data(0x15);
send_data(0x13);
send_data(0x1B);
send_cmd(0x35); /* TE on*/
send_data(0x00);
/* set CSEL */
send_cmd(0x3A);
send_data(0x07); /* CSEL=0x06, 16bit-color CSEL=0x06, 18bit-color CSEL=0x07, 24bit-color */
/*24 bit don't need to set 2DH*/
/* Sleep Out */
send_cmd(0x11);
LCD_DelayMS(120);
#if 0
{ /* for test the lcd */
int i;
send_cmd(0x2C); //Write data
for (i = 0; i < 480*800/3; i++)
send_data(0xff);
for (i = 0; i < 480*800/3; i++)
send_data(0xff00);
for (i = 0; i < 480*800/3; i++)
send_data(0xff0000);
}
#endif
/* Display On */
send_cmd(0x29);
LCD_DelayMS (120);
/* Write data */
send_cmd(0x2C);
return 0;
}
static int32_t hx8369_set_window(struct panel_spec *self,
uint16_t left, uint16_t top, uint16_t right, uint16_t bottom)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
pr_debug("hx8369_set_window:%d, %d, %d, %d\n", left, top, right, bottom);
/* col */
send_cmd(0x2A);
send_data((left >> 8));
send_data((left & 0xFF));
send_data((right >> 8));
send_data((right & 0xFF));
/* row */
send_cmd(0x2B);
send_data((top >> 8));
send_data((top & 0xFF));
send_data((bottom >> 8));
send_data((bottom & 0xFF));
/* Write data */
send_cmd(0x2C);
return 0;
}
static int32_t hx8369_invalidate(struct panel_spec *self)
{
return self->ops->panel_set_window(self, 0, 0,
self->width-1, self->height-1);
}
static int32_t hx8369_invalidate_rect(struct panel_spec *self,
uint16_t left, uint16_t top,
uint16_t right, uint16_t bottom)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
pr_debug("hx8369_invalidate_rect\n");
/* TE scanline */
send_cmd(0x44);
send_data((top >> 8));
send_data((top & 0xFF));
return self->ops->panel_set_window(self, left, top,
right, bottom);
}
static int32_t hx8369_set_direction(struct panel_spec *self, uint16_t direction)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
pr_debug("hx8369_set_direction\n");
send_cmd(0x36);
switch (direction) {
case LCD_DIRECT_NORMAL:
send_data(0);
break;
case LCD_DIRECT_ROT_90:
send_data(0xA0);
break;
case LCD_DIRECT_ROT_180:
send_data(0x60);
break;
case LCD_DIRECT_ROT_270:
send_data(0xB0);
break;
case LCD_DIRECT_MIR_H:
send_data(0x40);
break;
case LCD_DIRECT_MIR_V:
send_data(0x10);
break;
case LCD_DIRECT_MIR_HV:
send_data(0xE0);
break;
default:
pr_debug("unknown lcd direction!\n");
send_data(0x0);
direction = LCD_DIRECT_NORMAL;
break;
}
self->direction = direction;
return 0;
}
static int32_t hx8369_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
if(is_sleep) {
/* Sleep In */
send_cmd(0x28);
LCD_DelayMS(120);
send_cmd(0x10);
LCD_DelayMS(120);
}
else {
#if 1
/* Sleep Out */
send_cmd(0x11);
LCD_DelayMS(120);
send_cmd(0x29);
LCD_DelayMS(120);
#else
/* re init */
se1f->ops->reset(self);
se1f->ops->lcd_init(self);
#endif
}
return 0;
}
static uint32_t hx8369_read_id(struct panel_spec *self)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
read_data_t read_data = self->info.mcu->ops->read_data;
send_cmd(0xB9);
send_data(0xFF);
send_data(0x83);
send_data(0x69);
send_cmd(0xF4);
read_data();
return read_data();
}
static struct panel_operations lcd_hx8369_operations = {
.panel_init = hx8369_init,
.panel_set_window = hx8369_set_window,
.panel_invalidate = hx8369_invalidate,
.panel_invalidate_rect = hx8369_invalidate_rect,
.panel_set_direction = hx8369_set_direction,
.panel_enter_sleep = hx8369_enter_sleep,
.panel_readid = hx8369_read_id,
};
static struct timing_mcu lcd_hx8369_timing[] = {
[LCD_REGISTER_TIMING] = { /* read/write register timing (ns) */
.rcss = 25, /* 25 ns */
.rlpw = 70,
.rhpw = 70,
.wcss = 10,
.wlpw = 50,
.whpw = 50,
},
[LCD_GRAM_TIMING] = { /* read/write gram timing (ns) */
.rcss = 25,
.rlpw = 70,
.rhpw = 70,
.wcss = 0,
.wlpw = 15,
.whpw = 24,
}
};
static struct info_mcu lcd_hx8369_info = {
.bus_mode = LCD_BUS_8080,
.bus_width = 24,
.timing = lcd_hx8369_timing,
.ops = NULL,
};
struct panel_spec lcd_hx8369_spec = {
.width = 480,
.height = 800,
.mode = LCD_MODE_MCU,
.direction = LCD_DIRECT_NORMAL,
.info = {
.mcu = &lcd_hx8369_info,
},
.ops = &lcd_hx8369_operations,
};
struct panel_cfg lcd_hx8369 = {
/* this panel may on both CS0/1 */
.lcd_cs = -1,
.lcd_id = 0x69,
.lcd_name = "lcd_hx8369",
.panel = &lcd_hx8369_spec,
};
static int __init lcd_hx8369_init(void)
{
return sprd_register_panel(&lcd_hx8369);
}
subsys_initcall(lcd_hx8369_init);
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