arch/arm/include/asm/arch-sc8810/sc8810_lcd.h

   1 /******************************************************************************
   2  ** File Name:    sc8810_lcd.h                                            *
   3  ** Author:                                                           *
   4  ** DATE:                                                           *
   5  ** Copyright:    2005 Spreatrum, Incoporated. All Rights Reserved.           *
   6  ** Description:      Spreadtrum LCD abstraction                                                        *
   7  ******************************************************************************/
   8 /******************************************************************************
   9  **                   Edit    History                                         *
  10  **---------------------------------------------------------------------------*
  11  ** DATE          NAME            DESCRIPTION                                 *
  12  **
  13  ******************************************************************************/
  14 #ifndef _SC8810_LCD_H_
  15 #define _SC8810_LCD_H_
  16
  17 #include <linux/types.h>
  18 #include <common.h>
  19
  20 #define LCD_DelayMS(ms)  udelay(1000*(ms))
  21
  22 #define LCD_REGISTER_TIMING 0
  23 #define LCD_GRAM_TIMING     1
  24
  25 /* LCD mode */
  26 #define LCD_MODE_RGB 0
  27 #define LCD_MODE_MCU 1
  28
  29 /* bus mode */
  30 #define LCD_BUS_8080 0
  31 #define LCD_BUS_6800 1
  32 #define LCD_BUS_SPI  2
  33
  34 /* lcd directions */
  35 #define LCD_DIRECT_NORMAL  0
  36 #define LCD_DIRECT_ROT_90  1
  37 #define LCD_DIRECT_ROT_180 2
  38 #define LCD_DIRECT_ROT_270 3
  39 #define LCD_DIRECT_MIR_H   4
  40 #define LCD_DIRECT_MIR_V   5
  41 #define LCD_DIRECT_MIR_HV  6
  42
  43 #define PIN_PWM0_MOD_VALUE 0x20
  44
  45 #define SPRD_PWM_BASE                   0x88000000
  46 #define SPRD_PWM_REG(off)               (SPRD_PWM_BASE + (off))
  47 #define SPRD_PWM0_PRESCALE      SPRD_PWM_REG(0x0000)
  48 #define SPRD_PWM0_CNT                   SPRD_PWM_REG(0x0004)
  49 #define SPRD_PWM0_TONE_DIV      SPRD_PWM_REG(0x0008)
  50 #define SPRD_PWM0_PAT_LOW       SPRD_PWM_REG(0x000C)
  51 #define SPRD_PWM0_PAT_HIG       SPRD_PWM_REG(0x0010)
  52
  53 #define LCD_PWM_PRESCALE_VALUE  0x01
  54 #define LCD_PWM_MOD_VALUE               0xFF
  55 #define PWM_REG_MSK_VALUE                       0xFFFF
  56
  57 #define LCD_PWM0_EN BIT_8
  58
  59 struct lcd_spec;
  60
  61 /* LCD operations */
  62 struct lcd_operations {
  63         int32_t (*lcd_init)(struct lcd_spec *self);
  64         int32_t (*lcd_close)(struct lcd_spec *self);
  65         int32_t (*lcd_reset)(struct lcd_spec *self);
  66         int32_t (*lcd_enter_sleep)(struct lcd_spec *self, uint8_t is_sleep);
  67         int32_t (*lcd_set_contrast)(struct lcd_spec *self, uint16_t contrast);
  68         int32_t (*lcd_set_brightness)(struct lcd_spec *self,
  69                                 uint16_t brightness);
  70         int32_t (*lcd_set_window)(struct lcd_spec *self,
  71                                 uint16_t left, uint16_t top,
  72                                 uint16_t right, uint16_t bottom);
  73         int32_t (*lcd_invalidate)(struct lcd_spec *self);
  74         int32_t (*lcd_invalidate_rect)(struct lcd_spec *self,
  75                                 uint16_t left, uint16_t top,
  76                                 uint16_t right, uint16_t bottom);
  77         int32_t (*lcd_rotate_invalidate_rect)(struct lcd_spec *self,
  78                                 uint16_t left, uint16_t top,
  79                                 uint16_t right, uint16_t bottom,
  80                                 uint16_t angle);
  81         int32_t (*lcd_set_direction)(struct lcd_spec *self, uint16_t direction);
  82         uint32_t (*lcd_readid)(struct lcd_spec *self);
  83 };
  84
  85 /* RGB LCD specific properties */
  86 struct timing_rgb {
  87         uint16_t bfw;
  88         uint16_t efw;
  89         uint16_t vsw;
  90         uint16_t blw;
  91         uint16_t elw;
  92         uint16_t hsw;
  93 };
  94
  95 struct ops_rgb {
  96         int32_t (*send_cmd)(uint32_t cmd);
  97         int32_t (*send_cmd_data)(uint32_t cmd, uint32_t data);
  98 };
  99
 100 struct info_rgb {
 101         /* under construction... */
 102         struct timing_rgb timing;
 103         struct ops_rgb *ops;
 104 };
 105
 106 /* MCU LCD specific properties */
 107 struct timing_mcu {
 108         uint16_t rcss;
 109         uint16_t rlpw;
 110         uint16_t rhpw;
 111         uint16_t wcss;
 112         uint16_t wlpw;
 113         uint16_t whpw;
 114 };
 115
 116 typedef int32_t (*Send_cmd)(uint32_t data);
 117 typedef int32_t (*Send_data)(uint32_t data);
 118 typedef int32_t (*Send_cmd_data)(uint32_t cmd, uint32_t data);
 119 typedef uint32_t (*Read_data)(void);
 120
 121 struct ops_mcu {
 122         int32_t (*send_cmd)(uint32_t cmd);
 123         int32_t (*send_cmd_data)(uint32_t cmd, uint32_t data);
 124         int32_t (*send_data)(uint32_t data);
 125         uint32_t (*read_data)(void);
 126 };
 127
 128 struct info_mcu {
 129         uint16_t bus_mode;
 130         uint16_t bus_width;
 131         struct timing_mcu *timing;
 132         struct ops_mcu *ops;
 133 };
 134
 135 /* LCD abstraction */
 136 struct lcd_spec {
 137         uint16_t width;
 138         uint16_t height;
 139         uint16_t mode;
 140         uint16_t direction;
 141         union {
 142                 struct info_rgb *rgb;
 143                 struct info_mcu *mcu;
 144         } info;
 145         struct lcd_operations *ops;
 146 };
 147
 148 extern void LCD_SetBackLightBrightness( unsigned long  value);
 149 #endif
 150