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|
/* drivers/video/sc8810/lcd_ili9341.c
*
* Support for ili9341 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 ili9341_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;
pr_debug("ili9341_init\n");
//Power Setting
send_cmd(0xCF);
send_data(0x00);
send_data(0xE1);
send_data(0x30);
send_cmd(0xED);
send_data(0x64);
send_data(0x03);
send_data(0x12);
send_data(0x81);
send_cmd(0xCB);
send_data(0x39);
send_data(0x2C);
send_data(0x00);
send_data(0x34);
send_data(0x02);
send_cmd(0xF7);
send_data(0x20);
send_cmd(0xEA);
send_data(0x00);
send_data(0x00);
send_cmd(0xC5);
send_data(0x4C);
send_data(0x2B);
send_cmd(0xC7);
send_data(0x00);
send_cmd(0xC0);
send_data(0x22);
send_cmd(0xC1);
send_data(0x11);
//Initializing Sequence
send_cmd(0x35);
send_data(0x00);
send_cmd(0x36);
send_data(0x08);
send_cmd(0x3A);
send_data(0x05);
send_cmd(0xF2);
send_data(0x02);
send_cmd(0xB6);
send_data(0x01);
send_data(0xC2);
send_cmd(0xF6);
send_data(0x01);
send_data(0x10);
send_data(0x00);
send_cmd(0xB1);
send_data(0x00);
send_data(0x1A);
send_cmd(0xB5);
send_data(0x02);
send_data(0x02);
send_data(0x0A);
send_data(0x14);
send_cmd(0xE8);
send_data(0x85);
send_data(0x01);
send_data(0x78);
//Gamma Setting
send_cmd(0xE0);
send_data(0x0F);
send_data(0x31);
send_data(0x2F);
send_data(0x0D);
send_data(0x10);
send_data(0x08);
send_data(0x5F);
send_data(0xB6);
send_data(0x50);
send_data(0x07);
send_data(0x14);
send_data(0x07);
send_data(0x2A);
send_data(0x1F);
send_data(0x08);
send_cmd(0xE1);
send_data(0x00);
send_data(0x0E);
send_data(0x10);
send_data(0x04);
send_data(0x10);
send_data(0x04);
send_data(0x23);
send_data(0x54);
send_data(0x35);
send_data(0x03);
send_data(0x0B);
send_data(0x09);
send_data(0x20);
send_data(0x2A);
send_data(0x08);
send_cmd(0xE2);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_cmd(0xE3);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x00);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x22);
send_data(0x22);
send_data(0x22);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x33);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x03);
send_data(0x02);
send_data(0x01);
send_data(0x00);
#if 1
//Display on
send_cmd(0x11); // (SLPOUT)
mdelay(10); // 100ms
send_cmd(0x29); // (DISPON)
mdelay(10); // 100ms
pr_debug("ili9341_init: end\n");
return 0;
#else
if (1) { // for test the lcd
int i;
send_cmd(0x2C); //Write data
for (i = 0; i < 240*320/3; i++)
send_data(0xff);
for (i = 0; i < 240*320/3; i++)
send_data(0xff00);
for (i = 0; i < 24*320/3; i++)
send_data(0xff0000);
}
send_cmd(0x11); //Display On
mdelay(10); //120ms
send_cmd(0x29); //Write data
mdelay(10); //120ms
#endif
pr_debug("ili9341_init: end\n");
return 0;
}
static int32_t ili9341_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("ili9341_set_window\n");
send_cmd(0x2A); // col
send_data((left >> 8));
send_data((left & 0xFF));
send_data((right >> 8));
send_data((right & 0xFF));
send_cmd(0x2B); // row
send_data((top >> 8));
send_data((top & 0xFF));
send_data((bottom >> 8));
send_data((bottom & 0xFF));
send_cmd(0x2C);
return 0;
}
static int32_t ili9341_invalidate(struct panel_spec *self)
{
pr_debug("ili9341_invalidate\n");
return self->ops->panel_set_window(self, 0, 0,
self->width-1, self->height-1);
}
static int32_t ili9341_invalidate_rect(struct panel_spec *self,
uint16_t left, uint16_t top,
uint16_t right, uint16_t bottom)
{
pr_debug("ili9341_invalidate_rect : (%d, %d, %d, %d)\n",left, top, right, bottom);
return self->ops->panel_set_window(self, left, top,
right, bottom);
}
static int32_t ili9341_set_direction(struct panel_spec *self, uint16_t direction)
{
pr_debug("ili9341_set_direction\n");
return 0;
}
static int32_t ili9341_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
{
//send_data_t send_cmd = self->info.mcu->ops->send_cmd;
if(is_sleep) {
//send_cmd(0x10);
mdelay(120);
}
else {
//send_cmd(0x11);
mdelay(120);
}
return 0;
}
static uint32_t ili9341_read_id(struct panel_spec *self)
{
int32_t read_value = 0;
#if 0
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
read_data_t read_data = self->info.mcu->ops->read_data;
send_cmd(0x04);
read_data();
read_value += read_data()<< 16;
read_value += read_data()<< 8;
read_value += read_data();
#endif
pr_debug("ili9341_read_id=%x\n",read_value);
read_value = 0x9341;
return read_value;
}
static int32_t ili9341_change_epf(struct panel_spec *self, bool is_default)
{
send_data_t send_cmd = self->info.mcu->ops->send_cmd;
send_data_t send_data = self->info.mcu->ops->send_data;
return 0;
if(is_default){
send_cmd(0xF6);
send_data(0x01);
send_data(0x30);
send_data(0x00);
}else{
send_cmd(0xF6);
send_data(0x01);
send_data(0x10);
send_data(0x00);
}
return 0;
}
static struct panel_operations lcd_ili9341_operations = {
.panel_init = ili9341_init,
.panel_set_window = ili9341_set_window,
.panel_invalidate = ili9341_invalidate,
//.lcd_invalidate_rect = ili9341_invalidate_rect,
.panel_set_direction = ili9341_set_direction,
.panel_enter_sleep = ili9341_enter_sleep,
.panel_readid = ili9341_read_id,
.panel_change_epf = ili9341_change_epf,
};
static struct timing_mcu lcd_ili9341_timing[] = {
[MCU_LCD_REGISTER_TIMING] = {
.rcss = 25,
.rlpw = 45,
.rhpw = 90,
.wcss = 30,
.wlpw = 20,
.whpw = 20,
},
[MCU_LCD_GRAM_TIMING] = {
.rcss = 25,
.rlpw = 45,
.rhpw = 90,
.wcss = 30,
.wlpw = 20,
.whpw = 20,
}
};
static struct info_mcu lcd_ili9341_info = {
.bus_mode = LCD_BUS_8080,
.bus_width = 16,
.bpp = 16, /*RGB88*/
.timing = &lcd_ili9341_timing,
.ops = NULL,
};
struct panel_spec lcd_panel_ili9341 = {
.width = 240,
.height = 320,
.fps = 60,
.type = LCD_MODE_MCU,
.direction = LCD_DIRECT_NORMAL,
.info = {
.mcu = &lcd_ili9341_info
},
.ops = &lcd_ili9341_operations,
};
struct panel_cfg lcd_ili9341 = {
/* this panel may on both CS0/1 */
.dev_id = SPRDFB_MAINLCD_ID,
.lcd_id = 0x9341,
.lcd_name = "lcd_ili9341",
.panel = &lcd_panel_ili9341,
};
static int __init lcd_ili9341_init(void)
{
printk(KERN_INFO "sprdfb_111: [%s]: 0x%x!\n", __FUNCTION__,lcd_ili9341.lcd_id);
return sprdfb_panel_register(&lcd_ili9341);
}
subsys_initcall(lcd_ili9341_init);
|
