1 /*
2 * drivers/video/fbdev/sunxi/disp2/disp/lcd/fx070/fx070.c
3 *
4 * Copyright (c) 2007-2018 Allwinnertech Co., Ltd.
5 * Author: zhengxiaobin <zhengxiaobin@allwinnertech.com>
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 */
17 #include "fx070.h"
18
19 static void LCD_power_on(u32 sel);
20 static void LCD_power_off(u32 sel);
21 static void LCD_bl_open(u32 sel);
22 static void LCD_bl_close(u32 sel);
23
24 static void LCD_panel_init(u32 sel);
25 static void LCD_panel_exit(u32 sel);
26
LCD_cfg_panel_info(struct panel_extend_para * info)27 static void LCD_cfg_panel_info(struct panel_extend_para *info)
28 {
29 u32 i = 0, j = 0;
30 u32 items;
31 u8 lcd_gamma_tbl[][2] = {
32 /*{input value, corrected value} */
33 {0, 0}, {15, 15}, {30, 30}, {45, 45}, {60, 60},
34 {75, 75}, {90, 90}, {105, 105}, {120, 120}, {135, 135},
35 {150, 150}, {165, 165}, {180, 180}, {195, 195}, {210, 210},
36 {225, 225}, {240, 240}, {255, 255},
37 };
38
39 u32 lcd_cmap_tbl[2][3][4] = {
40 {
41 {LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
42 {LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
43 {LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
44 },
45 {
46 {LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
47 {LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
48 {LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
49 },
50 };
51
52 items = sizeof(lcd_gamma_tbl) / 2;
53 for (i = 0; i < items - 1; i++) {
54 u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];
55
56 for (j = 0; j < num; j++) {
57 u32 value = 0;
58
59 value =
60 lcd_gamma_tbl[i][1] +
61 ((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) *
62 j) /
63 num;
64 info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
65 (value << 16) + (value << 8) + value;
66 }
67 }
68 info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) +
69 (lcd_gamma_tbl[items - 1][1] << 8) +
70 lcd_gamma_tbl[items - 1][1];
71
72 memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));
73 }
74
LCD_open_flow(u32 sel)75 static s32 LCD_open_flow(u32 sel)
76 {
77 /* open lcd power, and delay 50ms */
78 LCD_OPEN_FUNC(sel, LCD_power_on, 40);
79 /* open lcd power, than delay 200ms */
80 LCD_OPEN_FUNC(sel, LCD_panel_init, 0);
81 /* open lcd controller, and delay 100ms */
82 LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 200);
83 /* open lcd backlight, and delay 0ms */
84 LCD_OPEN_FUNC(sel, LCD_bl_open, 0);
85
86 return 0;
87 }
88
LCD_close_flow(u32 sel)89 static s32 LCD_close_flow(u32 sel)
90 {
91 /*close lcd backlight, and delay 0ms */
92 LCD_CLOSE_FUNC(sel, LCD_bl_close, 200);
93 /*close lcd controller, and delay 0ms */
94 LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 10);
95 /*open lcd power, than delay 200ms */
96 LCD_CLOSE_FUNC(sel, LCD_panel_exit, 0);
97 /*close lcd power, and delay 500ms */
98 LCD_CLOSE_FUNC(sel, LCD_power_off, 0);
99
100 return 0;
101 }
102
LCD_power_on(u32 sel)103 static void LCD_power_on(u32 sel)
104 {
105 /*config lcd_power pin to open lcd power0 */
106 sunxi_lcd_power_enable(sel, 0);
107 sunxi_lcd_pin_cfg(sel, 1);
108 }
109
LCD_power_off(u32 sel)110 static void LCD_power_off(u32 sel)
111 {
112 sunxi_lcd_pin_cfg(sel, 0);
113 /*config lcd_power pin to close lcd power0 */
114 sunxi_lcd_power_disable(sel, 0);
115 }
116
LCD_bl_open(u32 sel)117 static void LCD_bl_open(u32 sel)
118 {
119 sunxi_lcd_pwm_enable(sel);
120 /*config lcd_bl_en pin to open lcd backlight */
121 sunxi_lcd_backlight_enable(sel);
122 }
123
LCD_bl_close(u32 sel)124 static void LCD_bl_close(u32 sel)
125 {
126 /*config lcd_bl_en pin to close lcd backlight */
127 sunxi_lcd_backlight_disable(sel);
128 sunxi_lcd_pwm_disable(sel);
129 }
130
LCD_panel_init(u32 sel)131 static void LCD_panel_init(u32 sel)
132 {
133 return;
134 }
135
LCD_panel_exit(u32 sel)136 static void LCD_panel_exit(u32 sel)
137 {
138 return ;
139 }
140
141 /*sel: 0:lcd0; 1:lcd1 */
LCD_user_defined_func(u32 sel,u32 para1,u32 para2,u32 para3)142 static s32 LCD_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
143 {
144 return 0;
145 }
146
147 struct __lcd_panel fx070_panel = {
148 /* panel driver name, must mach the name of lcd_drv_name
149 * in sys_config.fex */
150 .name = "fx070",
151 .func = {
152 .cfg_panel_info = LCD_cfg_panel_info,
153 .cfg_open_flow = LCD_open_flow,
154 .cfg_close_flow = LCD_close_flow,
155 .lcd_user_defined_func = LCD_user_defined_func,
156 },
157 };
158