/*
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* drivers/video/fbdev/sunxi/disp2/disp/lcd/fx070/fx070.c
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*
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* Copyright (c) 2007-2018 Allwinnertech Co., Ltd.
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* Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "fx070.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 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}, {15, 15}, {30, 30}, {45, 45}, {60, 60},
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{75, 75}, {90, 90}, {105, 105}, {120, 120}, {135, 135},
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{150, 150}, {165, 165}, {180, 180}, {195, 195}, {210, 210},
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{225, 225}, {240, 240}, {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] - lcd_gamma_tbl[i][1]) *
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j) /
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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] = (lcd_gamma_tbl[items - 1][1] << 16) +
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(lcd_gamma_tbl[items - 1][1] << 8) +
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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, 40);
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/* open lcd power, than delay 200ms */
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LCD_OPEN_FUNC(sel, LCD_panel_init, 0);
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/* open lcd controller, and delay 100ms */
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LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 200);
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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, 200);
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/*close lcd controller, and delay 0ms */
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LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 10);
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/*open lcd power, than delay 200ms */
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LCD_CLOSE_FUNC(sel, LCD_panel_exit, 0);
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/*close lcd power, and delay 500ms */
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LCD_CLOSE_FUNC(sel, LCD_power_off, 0);
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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 power0 */
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sunxi_lcd_power_enable(sel, 0);
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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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/*config lcd_power pin to close lcd power0 */
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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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return;
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}
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static void LCD_panel_exit(u32 sel)
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{
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return ;
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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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struct __lcd_panel fx070_panel = {
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/* panel driver name, must mach the name of lcd_drv_name
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* in sys_config.fex */
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.name = "fx070",
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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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},
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};
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