/*
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* Allwinner SoCs display driver.
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*
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* Copyright (C) 2016 Allwinner.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include "lt070me05000.h"
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static void LCD_power_on(u32 sel);
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static void LCD_power_off(u32 sel);
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static void LCD_bl_open(u32 sel);
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static void LCD_bl_close(u32 sel);
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static void LCD_panel_init(u32 sel);
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static void LCD_panel_exit(u32 sel);
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static u8 const mipi_dcs_pixel_format[4] = { 0x77, 0x66, 0x66, 0x55 };
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#define panel_reset(val) sunxi_lcd_gpio_set_value(sel, 1, val)
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#define power_en(val) sunxi_lcd_gpio_set_value(sel, 0, val)
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static void LCD_cfg_panel_info(struct panel_extend_para *info)
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{
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u32 i = 0, j = 0;
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u32 items;
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u8 lcd_gamma_tbl[][2] = {
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/* {input value, corrected value} */
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{0, 0},
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{15, 15},
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{30, 30},
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{45, 45},
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{60, 60},
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{75, 75},
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{90, 90},
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{105, 105},
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{120, 120},
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{135, 135},
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{150, 150},
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{165, 165},
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{180, 180},
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{195, 195},
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{210, 210},
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{225, 225},
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{240, 240},
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{255, 255},
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};
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u32 lcd_cmap_tbl[2][3][4] = {
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{
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{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
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{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
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{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
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},
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{
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{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
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{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
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{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
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},
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};
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items = sizeof(lcd_gamma_tbl) / 2;
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for (i = 0; i < items - 1; i++) {
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u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];
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for (j = 0; j < num; j++) {
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u32 value = 0;
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value =
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lcd_gamma_tbl[i][1] +
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((lcd_gamma_tbl[i + 1][1] -
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lcd_gamma_tbl[i][1]) * j) / num;
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info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
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(value << 16) + (value << 8) + value;
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}
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}
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info->lcd_gamma_tbl[255] =
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(lcd_gamma_tbl[items - 1][1] << 16) +
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(lcd_gamma_tbl[items - 1][1] << 8) + lcd_gamma_tbl[items - 1][1];
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memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));
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}
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static s32 LCD_open_flow(u32 sel)
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{
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/* open lcd power, and delay 50ms */
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LCD_OPEN_FUNC(sel, LCD_power_on, 20);
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/* open lcd power, than delay 200ms */
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LCD_OPEN_FUNC(sel, LCD_panel_init, 10);
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/* open lcd controller, and delay 100ms */
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LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 20);
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/* open lcd backlight, and delay 0ms */
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LCD_OPEN_FUNC(sel, LCD_bl_open, 0);
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return 0;
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}
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static s32 LCD_close_flow(u32 sel)
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{
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/* close lcd backlight, and delay 0ms */
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LCD_CLOSE_FUNC(sel, LCD_bl_close, 0);
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/* close lcd controller, and delay 0ms */
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LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0);
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/* open lcd power, than delay 200ms */
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LCD_CLOSE_FUNC(sel, LCD_panel_exit, 200);
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/* close lcd power, and delay 500ms */
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LCD_CLOSE_FUNC(sel, LCD_power_off, 500);
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return 0;
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}
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static void LCD_power_on(u32 sel)
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{
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/* config lcd_power pin to open lcd power */
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sunxi_lcd_power_enable(sel, 0);
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sunxi_lcd_delay_ms(5);
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/* config lcd_power pin to open lcd power0 */
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sunxi_lcd_power_enable(sel, 1);
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sunxi_lcd_delay_ms(5);
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/* config lcd_power pin to open lcd power2 */
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sunxi_lcd_power_enable(sel, 2);
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sunxi_lcd_delay_ms(5);
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power_en(1);
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sunxi_lcd_delay_ms(20);
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panel_reset(1);
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sunxi_lcd_delay_ms(5);
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sunxi_lcd_pin_cfg(sel, 1);
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}
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static void LCD_power_off(u32 sel)
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{
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sunxi_lcd_pin_cfg(sel, 0);
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power_en(0);
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sunxi_lcd_delay_ms(20);
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panel_reset(0);
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sunxi_lcd_delay_ms(5);
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/* config lcd_power pin to close lcd power2 */
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sunxi_lcd_power_disable(sel, 2);
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sunxi_lcd_delay_ms(5);
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/* config lcd_power pin to close lcd power1 */
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sunxi_lcd_power_disable(sel, 1);
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sunxi_lcd_delay_ms(5);
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/* config lcd_power pin to close lcd power */
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sunxi_lcd_power_disable(sel, 0);
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}
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static void LCD_bl_open(u32 sel)
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{
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sunxi_lcd_pwm_enable(sel);
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/* config lcd_bl_en pin to open lcd backlight */
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sunxi_lcd_backlight_enable(sel);
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}
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static void LCD_bl_close(u32 sel)
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{
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/* config lcd_bl_en pin to close lcd backlight */
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sunxi_lcd_backlight_disable(sel);
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sunxi_lcd_pwm_disable(sel);
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}
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static void LCD_panel_init(u32 sel)
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{
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struct disp_panel_para *panel_info =
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kmalloc(sizeof(struct disp_panel_para), GFP_KERNEL | __GFP_ZERO);
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u32 bright = 0;
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u8 para[9];
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bsp_disp_get_panel_info(sel, panel_info);
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bright = bsp_disp_lcd_get_bright(sel);
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sunxi_lcd_dsi_clk_enable(sel);
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sunxi_lcd_delay_ms(20);
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sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SOFT_RESET);
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sunxi_lcd_delay_ms(10);
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sunxi_lcd_dsi_gen_write_1para(sel, 0xb0, 0x00);
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sunxi_lcd_dsi_gen_write_5para(sel, 0xb3, 0x04, 0x08, 0x00, 0x22, 0x00);
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sunxi_lcd_dsi_gen_write_1para(sel, 0xb4, 0x0c);
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sunxi_lcd_dsi_gen_write_2para(sel, 0xb6, 0x3a, 0xd3);
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sunxi_lcd_dsi_dcs_write_1para(sel, 0x51, bright);
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sunxi_lcd_dsi_dcs_write_1para(sel, 0x53, 0x2c);
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sunxi_lcd_dsi_dcs_write_1para(sel, DSI_DCS_SET_PIXEL_FORMAT, 0x77);
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sunxi_lcd_dsi_dcs_write_4para(sel, DSI_DCS_SET_COLUMN_ADDRESS, 0x00,
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0x00, 0x04, 0xaf);
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sunxi_lcd_dsi_dcs_write_4para(sel, DSI_DCS_SET_PAGE_ADDRESS, 0x00, 0x00,
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0x07, 0x7f);
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sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_EXIT_SLEEP_MODE);
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sunxi_lcd_delay_ms(120);
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sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_ON);
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sunxi_lcd_dsi_gen_write_5para(sel, 0xb3, 0x14, 0x08, 0x00, 0x22, 0x00);
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sunxi_lcd_dsi_gen_write_1para(sel, 0xd6, 0x01);
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para[0] = 0x31;
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para[1] = 0xf7;
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para[2] = 0x80;
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para[3] = 0x00;
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para[4] = panel_info->lcd_vbp - 1;
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para[5] = 0x00;
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para[6] = 0x08;
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para[7] = 0x00;
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para[8] = 0x00;
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sunxi_lcd_dsi_gen_write(sel, 0xc2, para, 9);
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kfree(panel_info);
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}
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static void LCD_panel_exit(u32 sel)
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{
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sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_SET_DISPLAY_OFF);
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sunxi_lcd_delay_ms(20);
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sunxi_lcd_dsi_dcs_write_0para(sel, DSI_DCS_ENTER_SLEEP_MODE);
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sunxi_lcd_delay_ms(80);
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}
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/* sel: 0:lcd0; 1:lcd1 */
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static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
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{
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return 0;
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}
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/* sel: 0:lcd0; 1:lcd1 */
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static s32 LCD_set_bright(u32 sel, u32 bright)
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{
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sunxi_lcd_dsi_dcs_write_1para(sel, 0x51, bright);
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return 0;
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}
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struct __lcd_panel lt070me05000_panel = {
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/* panel driver name, must mach the lcd_drv_name in sys_config.fex */
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.name = "lt070me05000",
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.func = {
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.cfg_panel_info = LCD_cfg_panel_info,
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.cfg_open_flow = LCD_open_flow,
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.cfg_close_flow = LCD_close_flow,
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.lcd_user_defined_func = LCD_user_defined_func,
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.set_bright = LCD_set_bright,
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}
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,
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};
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