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/* drivers/video/sc8800g/sc8800g_lcd_s6d0139.c
*
* Support for s6d0139 LCD device
*
* Copyright (C) 2010 Spreadtrum
*
* 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 "../sprdfb_panel.h"
static int32_t s6d0139_init(struct panel_spec *self)
{
send_cmd_data_t send_cmd_data = self->info.mcu->ops->send_cmd_data;
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
pr_debug(KERN_DEBUG "s6d0139_init\n");
/* reset the lcd */
self->ops->panel_reset(self);
mdelay(100);
/* start init sequence */
send_cmd_data(0x0000, 0x0001);
mdelay(10);
send_cmd_data(0x0007, 0x0000);
send_cmd_data(0x0013, 0x0000);
send_cmd_data(0x0011, 0x2604);
send_cmd_data(0x0014, 0x1212);
send_cmd_data(0x0010, 0x3C00);
send_cmd_data(0x0013, 0x0040);
mdelay(10);
send_cmd_data(0x0013, 0x0060);
mdelay(50);
send_cmd_data(0x0013, 0x0070);
mdelay(40);
send_cmd_data(0x0001, 0x0127);
send_cmd_data(0x0002, 0x0700);
send_cmd_data(0x0003, 0x1030);
send_cmd_data(0x0007, 0x0000);
send_cmd_data(0x0008, 0x0404);
send_cmd_data(0x000B, 0x0200);
send_cmd_data(0x000C, 0x0000);
send_cmd_data(0x0015, 0x0000);
//gamma setting
send_cmd_data(0x0030, 0x0000);
send_cmd_data(0x0031, 0x0606);
send_cmd_data(0x0032, 0x0006);
send_cmd_data(0x0033, 0x0403);
send_cmd_data(0x0034, 0x0107);
send_cmd_data(0x0035, 0x0101);
send_cmd_data(0x0036, 0x0707);
send_cmd_data(0x0037, 0x0304);
send_cmd_data(0x0038, 0x0A00);
send_cmd_data(0x0039, 0x0706);
send_cmd_data(0x0040, 0x0000);
send_cmd_data(0x0041, 0x0000);
send_cmd_data(0x0042, 0x013F);
send_cmd_data(0x0043, 0x0000);
send_cmd_data(0x0044, 0x0000);
send_cmd_data(0x0045, 0x0000);
send_cmd_data(0x0046, 0xEF00);
send_cmd_data(0x0047, 0x013F);
send_cmd_data(0x0048, 0x0000);
send_cmd_data(0x0007, 0x0011);
mdelay(40);
send_cmd_data(0x0007, 0x0017);
send_cmd_data(0x0020, 0x0000);
send_cmd_data(0x0021, 0x0000);
mdelay(40);
send_cmd(0x0022);
if(1){
int i = 0;
for (i=0; i<320*240/3; i++)
send_data(0xf800);
for (i=0; i< 320*240/3; i++)
send_data(0x07e0);
for (i=0; i< 320*240/3; i++)
send_data(0x001f);
}
return 0;
}
static int32_t s6d0139_set_window(struct panel_spec *self,
uint16_t left, uint16_t top, uint16_t right, uint16_t bottom)
{
send_cmd_data_t send_cmd_data = self->info.mcu->ops->send_cmd_data;
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
pr_debug(KERN_DEBUG "s6d0139_set_window\n");
send_cmd_data(0x46, ((right << 8) & 0xff00)|(left&0xff));
send_cmd_data(0x47, bottom);
send_cmd_data(0x48, top);
switch (self->direction) {
case LCD_DIRECT_NORMAL:
case LCD_DIRECT_ROT_270:
send_cmd_data(0x0020, left);
send_cmd_data(0x0021, top);
break;
case LCD_DIRECT_ROT_90:
case LCD_DIRECT_MIR_H:
send_cmd_data(0x0020, right);
send_cmd_data(0x0021, top);
break;
case LCD_DIRECT_ROT_180:
case LCD_DIRECT_MIR_HV:
send_cmd_data(0x0020, right);
send_cmd_data(0x0021, bottom);
break;
case LCD_DIRECT_MIR_V:
send_cmd_data(0x0020, left);
send_cmd_data(0x0021, bottom);
break;
default:
pr_debug(KERN_ERR "unknown lcd direction!\n");
break;
}
send_cmd(0x0022);
return 0;
}
static int32_t s6d0139_invalidate(struct panel_spec *self)
{
pr_debug(KERN_DEBUG "s6d0139_invalidate\n");
return self->ops->panel_set_window(self, 0, 0,
self->width-1, self->height-1);
}
static int32_t s6d0139_set_direction(struct panel_spec *self, uint16_t direction)
{
send_cmd_data_t send_cmd_data = self->info.mcu->ops->send_cmd_data;
pr_debug(KERN_DEBUG "s6d0139_set_direction\n");
switch (direction) {
case LCD_DIRECT_NORMAL:
send_cmd_data(0x0003, 0x1030);
break;
case LCD_DIRECT_ROT_90:
send_cmd_data(0x0003, 0x1028);
break;
case LCD_DIRECT_ROT_180:
case LCD_DIRECT_MIR_HV:
send_cmd_data(0x0003, 0x1000);
break;
case LCD_DIRECT_ROT_270:
send_cmd_data(0x0003, 0x1018);
break;
case LCD_DIRECT_MIR_H:
send_cmd_data(0x0003, 0x1020);
break;
case LCD_DIRECT_MIR_V:
send_cmd_data(0x0003, 0x1010);
break;
default:
pr_debug(KERN_ERR "unknown lcd direction!\n");
send_cmd_data(0x0003, 0x1030);
direction = LCD_DIRECT_NORMAL;
break;
}
self->direction = direction;
return 0;
}
static struct panel_operations lcd_s6d0139_operations = {
.panel_init = s6d0139_init,
.panel_set_window = s6d0139_set_window,
.panel_invalidate = s6d0139_invalidate,
.panel_set_direction = s6d0139_set_direction,
};
static struct timing_mcu lcd_s6d0139_timing[] = {
[MCU_LCD_REGISTER_TIMING] = { /* read/write register timing (ns) */
.rcss = 15,
.rlpw = 250,
.rhpw = 250,
.wcss = 10,
.wlpw = 28,
.whpw = 28,
},
[MCU_LCD_GRAM_TIMING] = { /* read/write gram timing (ns) */
.rcss = 25, /* 25 ns */
.rlpw = 70,
.rhpw = 70,
.wcss = 10,
.wlpw = 50,
.whpw = 50,
}
};
static struct info_mcu lcd_s6d0139_info = {
.bus_mode = LCD_BUS_8080,
.bus_width = 16,
.bpp = 16, /*RGB565*/
.timing = lcd_s6d0139_timing,
.ops = NULL,
};
struct panel_spec lcd_s6d0139_spec = {
.width = 240,
.height = 320,
.type = LCD_MODE_MCU,
.direction = LCD_DIRECT_NORMAL,
.info = {
.mcu = &lcd_s6d0139_info
},
.ops = &lcd_s6d0139_operations,
};
struct panel_cfg lcd_s6d0139 = {
/* this panel may on both CS0/1 */
.dev_id = SPRDFB_UNDEFINELCD_ID,
.lcd_id = 0x139,
.lcd_name = "lcd_s6d0139",
.panel = &lcd_s6d0139_spec,
};
static int __init lcd_s6d0139_init(void)
{
return sprdfb_panel_register(&lcd_s6d0139);
}
subsys_initcall(lcd_s6d0139_init);
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