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openwrt-xburst/target/linux/xburst/files-2.6.27/drivers/video/jz_auo_a043fl01v2.h
Mirko Vogt dc3d3f1c49 yet another patchset - 2.6.27
it's basically also provided by ingenic and nativly based on 2.6.27,
adjusted to fit into the OpenWrt-environment
2009-10-28 03:13:11 +08:00

130 lines
3.5 KiB
C

/*
* linux/drivers/video/jz_auo_a043fl01v2.h -- Ingenic LCD driver
*/
#ifndef __JZ_AUO_A043FL01V2_H__
#define __JZ_AUO_A043FL01V2_H__
#if defined(CONFIG_JZ4750_APUS) /* board pavo */
#define SPEN (32*3+29) /*LCD_CS*/
#define SPCK (32*3+26) /*LCD_SCL*/
#define SPDA (32*3+27) /*LCD_SDA*/
#define LCD_DISP_N (32*4+25) /*LCD_DISP_N use for lcd reset*/
#elif defined(CONFIG_JZ4750_FUWA) /* board fuwa */
#define SPEN (32*3+29) /*LCD_CS*/
#define SPCK (32*3+26) /*LCD_SCL*/
#define SPDA (32*3+27) /*LCD_SDA*/
#define LCD_DISP_N (32*5+2) /*LCD_DISP_N use for lcd reset*/
#elif defined(CONFIG_JZ4750D_CETUS) /* board cetus */
#define SPEN (32*5+13) /*LCD_CS*/
#define SPCK (32*5+10) /*LCD_SCL*/
#define SPDA (32*5+11) /*LCD_SDA*/
#define LCD_DISP_N (32*4+18) /*LCD_DISP_N use for lcd reset*/
#else
#error "driver/video/Jzlcd.h, please define SPI pins on your board."
#endif
#define __spi_write_reg(reg, val) \
do { \
unsigned char no; \
unsigned short value; \
unsigned char a=0; \
unsigned char b=0; \
__gpio_as_output(SPEN); /* use SPDA */ \
__gpio_as_output(SPCK); /* use SPCK */ \
__gpio_as_output(SPDA); /* use SPDA */ \
a=reg; \
b=val; \
__gpio_set_pin(SPEN); \
__gpio_clear_pin(SPCK); \
udelay(50); \
__gpio_clear_pin(SPDA); \
__gpio_clear_pin(SPEN); \
udelay(50); \
value=((a<<8)|(b&0xFF)); \
for(no=0;no<16;no++) \
{ \
if((value&0x8000)==0x8000){ \
__gpio_set_pin(SPDA);} \
else{ \
__gpio_clear_pin(SPDA); } \
udelay(50); \
__gpio_set_pin(SPCK); \
value=(value<<1); \
udelay(50); \
__gpio_clear_pin(SPCK); \
} \
__gpio_set_pin(SPEN); \
udelay(400); \
} while (0)
#define __spi_read_reg(reg,val) \
do{ \
unsigned char no; \
unsigned short value; \
__gpio_as_output(SPEN); /* use SPDA */ \
__gpio_as_output(SPCK); /* use SPCK */ \
__gpio_as_output(SPDA); /* use SPDA */ \
value = ((reg << 0) | (1 << 7)); \
val = 0; \
__gpio_as_output(SPDA); \
__gpio_set_pin(SPEN); \
__gpio_clear_pin(SPCK); \
udelay(50); \
__gpio_clear_pin(SPDA); \
__gpio_clear_pin(SPEN); \
udelay(50); \
for (no = 0; no < 16; no++ ) { \
udelay(50); \
if(no < 8) \
{ \
if (value & 0x80) /* send data */ \
__gpio_set_pin(SPDA); \
else \
__gpio_clear_pin(SPDA); \
udelay(50); \
__gpio_set_pin(SPCK); \
value = (value << 1); \
udelay(50); \
__gpio_clear_pin(SPCK); \
if(no == 7) \
__gpio_as_input(SPDA); \
} \
else \
{ \
udelay(100); \
__gpio_set_pin(SPCK); \
udelay(50); \
val = (val << 1); \
val |= __gpio_get_pin(SPDA); \
__gpio_clear_pin(SPCK); \
} \
} \
__gpio_as_output(SPDA); \
__gpio_set_pin(SPEN); \
udelay(400); \
} while(0)
#define __lcd_special_pin_init() \
do { \
__gpio_as_output(SPEN); /* use SPDA */ \
__gpio_as_output(SPCK); /* use SPCK */ \
__gpio_as_output(SPDA); /* use SPDA */ \
__gpio_as_output(LCD_DISP_N); \
__gpio_clear_pin(LCD_DISP_N); \
} while (0)
#define __lcd_special_on() \
do { \
udelay(50);\
__gpio_clear_pin(LCD_DISP_N); \
udelay(100); \
__gpio_set_pin(LCD_DISP_N); \
} while (0)
#define __lcd_special_off() \
do { \
__gpio_clear_pin(LCD_DISP_N); \
} while (0)
#endif /* __JZ_AUO_A043FL01V2_H__ */