1 /* drivers/video/sc8810/sc8810_lcd.h
3 * Spreadtrum LCD abstraction
5 * Copyright (C) 2010 Spreadtrum.com
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.
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.
20 #include <asm/arch/sci_types.h>
22 #include <linux/types.h>
25 #define LCD_DelayMS(ms) udelay(1000*(ms))
28 #define SPRDFB_I2C_WRITE_DELAY 0xffff
32 #define LCD_MODE_MCU 0
33 #define LCD_MODE_RGB 1
34 #define LCD_MODE_DSI 2
37 #define LCD_BUS_8080 0
38 #define LCD_BUS_6800 1
42 #define LCD_DIRECT_NORMAL 0
43 #define LCD_DIRECT_ROT_90 1
44 #define LCD_DIRECT_ROT_180 2
45 #define LCD_DIRECT_ROT_270 3
46 #define LCD_DIRECT_MIR_H 4
47 #define LCD_DIRECT_MIR_V 5
48 #define LCD_DIRECT_MIR_HV 6
50 #define PIN_PWM0_MOD_VALUE 0x20
52 #define SPRD_PWM_BASE 0x88000000
53 #define SPRD_PWM_REG(off) (SPRD_PWM_BASE + (off))
54 #define SPRD_PWM0_PRESCALE SPRD_PWM_REG(0x0000)
55 #define SPRD_PWM0_CNT SPRD_PWM_REG(0x0004)
56 #define SPRD_PWM0_TONE_DIV SPRD_PWM_REG(0x0008)
57 #define SPRD_PWM0_PAT_LOW SPRD_PWM_REG(0x000C)
58 #define SPRD_PWM0_PAT_HIG SPRD_PWM_REG(0x0010)
60 #define LCD_PWM_PRESCALE_VALUE 0x01
61 #define LCD_PWM_MOD_VALUE 0xFF
62 #define PWM_REG_MSK_VALUE 0xFFFF
64 #define LCD_PWM0_EN BIT_8
68 /* lcdc refresh, TE on, double timing, partial update*/
69 #define PANEL_CAP_NORMAL 0x0
71 /* only not support partial update*/
72 #define PANEL_CAP_NOT_PARTIAL_UPDATE 0x1
74 /* write register, grame have the same timing */
75 #define PANEL_CAP_UNIQUE_TIMING 0x2
77 /* lcd not support TE */
78 #define PANEL_CAP_NOT_TEAR_SYNC 0x4
80 /* only do command/data register, such as some mono oled display device */
81 #define PANEL_CAP_MANUAL_REFRESH 0x8
84 SPRDFB_PANEL_TYPE_MCU = 0,
85 SPRDFB_PANEL_TYPE_RGB,
86 SPRDFB_PANEL_TYPE_MIPI,
87 SPRDFB_PANEL_TYPE_LIMIT
91 SPRDFB_POLARITY_POS = 0,
97 SPRDFB_RGB_BUS_TYPE_I2C = 0,
98 SPRDFB_RGB_BUS_TYPE_SPI,
99 SPRDFB_RGB_BUG_TYPE_LIMIT
103 SPRDFB_MIPI_MODE_CMD = 0,
104 SPRDFB_MIPI_MODE_VIDEO,
105 SPRDFB_MIPI_MODE_LIMIT
110 typedef int32_t (*send_cmd_t)(uint32_t data);
111 typedef int32_t (*send_data_t)(uint32_t data);
112 typedef int32_t (*send_cmd_data_t)(uint32_t cmd, uint32_t data);
113 typedef uint32_t (*read_data_t)(void);
116 typedef int32_t (*mipi_set_cmd_mode_t)(void);
117 typedef int32_t (*mipi_set_video_mode_t)(void);
118 typedef int32_t (*mipi_gen_write_t)(uint8_t *param, uint16_t param_length);
119 typedef int32_t (*mipi_gen_read_t)(uint8_t *param, uint16_t param_length, uint8_t bytes_to_read, uint8_t *read_buffer);
120 typedef int32_t (*mipi_dcs_write_t)(uint8_t *param, uint16_t param_length);
121 typedef int32_t (*mipi_dcs_read_t)(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer);
122 typedef int32_t (*mipi_force_write_t)(uint8_t data_type, uint8_t *param, uint16_t param_length); //add for LCD adapter
123 typedef int32_t (*mipi_force_read_t)(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer);
125 typedef int32_t (*i2c_write_8bits_t)(uint8_t addr, uint8_t reg, uint8_t val);
126 typedef int32_t (*i2c_read_8bits_t)(uint8_t addr, uint8_t reg, uint8_t *val);
127 typedef int32_t (*i2c_write_16bits_t)(uint8_t addr, uint16_t reg, BOOLEAN reg_is_8bit, uint16_t val, BOOLEAN val_is_8bit);
128 typedef int32_t (*i2c_read_16bits_t)(uint8_t addr, uint16_t reg, BOOLEAN reg_is_8bit, uint16_t *val, BOOLEAN val_is_8bit);
129 typedef int32_t (*i2c_write_burst_t)(uint8_t addr, uint8_t* buf, int num);
131 typedef void (*spi_send_cmd_t)(uint32_t cmd);
132 typedef void (*spi_send_data_t)(uint32_t data);
133 typedef void (*spi_read_t)(uint32_t *data);
136 struct panel_operations {
137 int32_t (*panel_init)(struct panel_spec *self);
138 int32_t (*panel_close)(struct panel_spec *self);
139 int32_t (*panel_reset)(struct panel_spec *self);
140 int32_t (*panel_enter_sleep)(struct panel_spec *self, uint8_t is_sleep);
141 int32_t (*panel_set_contrast)(struct panel_spec *self, uint16_t contrast);
142 int32_t (*panel_set_brightness)(struct panel_spec *self,
143 uint16_t brightness);
144 int32_t (*panel_set_window)(struct panel_spec *self,
145 uint16_t left, uint16_t top,
146 uint16_t right, uint16_t bottom);
147 int32_t (*panel_invalidate)(struct panel_spec *self);
148 int32_t (*panel_invalidate_rect)(struct panel_spec *self,
149 uint16_t left, uint16_t top,
150 uint16_t right, uint16_t bottom);
151 int32_t (*panel_rotate_invalidate_rect)(struct panel_spec *self,
152 uint16_t left, uint16_t top,
153 uint16_t right, uint16_t bottom,
155 int32_t (*panel_set_direction)(struct panel_spec *self, uint16_t direction);
156 uint32_t (*panel_readid)(struct panel_spec *self);
159 /* MCU LCD specific properties */
169 /* RGB LCD specific properties */
180 int32_t (*send_cmd)(uint32_t cmd);
181 int32_t (*send_cmd_data)(uint32_t cmd, uint32_t data);
182 int32_t (*send_data)(uint32_t data);
183 uint32_t (*read_data)(void);
187 int32_t (*i2c_write_8bits)(uint8_t addr, uint8_t reg, uint8_t val);
188 int32_t (*i2c_read_8bits)(uint8_t addr, uint8_t reg, uint8_t *val);
189 int32_t (*i2c_write_16bits)(uint8_t addr, uint16_t reg, BOOLEAN reg_is_8bit, uint16_t val, BOOLEAN val_is_8bit);
190 int32_t (*i2c_read_16bits)(uint8_t addr, uint16_t reg, BOOLEAN reg_is_8bit, uint16_t *val, BOOLEAN val_is_8bit);
191 int32_t (*i2c_write_burst)(uint8_t addr, uint8_t* buf, int num);
195 void (*spi_send_cmd)(uint32_t cmd);
196 void (*spi_send_data)(uint32_t data);
197 void (*spi_read)(uint32_t *data);
201 int32_t (*mipi_set_cmd_mode)(void);
202 int32_t (*mipi_set_video_mode)(void);
203 int32_t (*mipi_gen_write)(uint8_t *param, uint16_t param_length);
204 int32_t (*mipi_gen_read)(uint8_t *param, uint16_t param_length, uint8_t bytes_to_read, uint8_t *read_buffer);
205 int32_t (*mipi_dcs_write)(uint8_t *param, uint16_t param_length);
206 int32_t (*mipi_dcs_read)(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer);
207 int32_t (*mipi_force_write)(uint8_t data_type, uint8_t *param, uint16_t param_length); //add for LCD adapter
208 int32_t (*mipi_force_read)(uint8_t command, uint8_t bytes_to_read, uint8_t *read_buffer);
221 uint16_t work_mode; /*command_mode, video_mode*/
222 uint16_t video_bus_width;
225 //uint16_t h_sync_pol;
226 //uint16_t v_sync_pol;
228 uint16_t te_pol; /*only for command_mode*/
229 //uint16_t color_mode_pol;
230 //uint16_t shut_down_pol;
231 struct timing_rgb *timing;
232 struct ops_mipi *ops;
236 uint16_t cmd_bus_mode; /*spi, i2c*/
237 uint16_t video_bus_width;
241 struct timing_rgb *timing;
243 struct i2c_info *i2c;
244 struct spi_info *spi;
249 uint16_t bus_mode; /*8080, 6800*/
253 uint32_t te_sync_delay;
254 struct timing_mcu *timing;
259 /* LCD abstraction */
265 uint16_t type; /*mcu, rgb, mipi*/
268 struct info_mcu *mcu;
269 struct info_rgb *rgb;
270 struct info_mipi * mipi;
272 struct panel_operations *ops;
277 struct panel_spec *panel;
280 extern void LCD_SetBackLightBrightness( unsigned long value);