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openwrt-xburst/target/linux/xburst/files-2.6.27/drivers/video/jzlcd.h

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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
2009-08-18 13:44:38 +03:00
/*
* linux/drivers/video/jzlcd.h -- Ingenic On-Chip LCD frame buffer device
*
* Copyright (C) 2005-2007, Ingenic Semiconductor Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __JZLCD_H__
#define __JZLCD_H__
#include <asm/io.h>
#define NR_PALETTE 256
struct lcd_desc{
unsigned int next_desc; /* LCDDAx */
unsigned int databuf; /* LCDSAx */
unsigned int frame_id; /* LCDFIDx */
unsigned int cmd; /* LCDCMDx */
};
#define MODE_MASK 0x0f
#define MODE_TFT_GEN 0x00
#define MODE_TFT_SHARP 0x01
#define MODE_TFT_CASIO 0x02
#define MODE_TFT_SAMSUNG 0x03
#define MODE_CCIR656_NONINT 0x04
#define MODE_CCIR656_INT 0x05
#define MODE_STN_COLOR_SINGLE 0x08
#define MODE_STN_MONO_SINGLE 0x09
#define MODE_STN_COLOR_DUAL 0x0a
#define MODE_STN_MONO_DUAL 0x0b
#define MODE_8BIT_SERIAL_TFT 0x0c
#define MODE_TFT_18BIT (1<<7)
#define STN_DAT_PIN1 (0x00 << 4)
#define STN_DAT_PIN2 (0x01 << 4)
#define STN_DAT_PIN4 (0x02 << 4)
#define STN_DAT_PIN8 (0x03 << 4)
#define STN_DAT_PINMASK STN_DAT_PIN8
#define STFT_PSHI (1 << 15)
#define STFT_CLSHI (1 << 14)
#define STFT_SPLHI (1 << 13)
#define STFT_REVHI (1 << 12)
#define SYNC_MASTER (0 << 16)
#define SYNC_SLAVE (1 << 16)
#define DE_P (0 << 9)
#define DE_N (1 << 9)
#define PCLK_P (0 << 10)
#define PCLK_N (1 << 10)
#define HSYNC_P (0 << 11)
#define HSYNC_N (1 << 11)
#define VSYNC_P (0 << 8)
#define VSYNC_N (1 << 8)
#define DATA_NORMAL (0 << 17)
#define DATA_INVERSE (1 << 17)
/* Jz LCDFB supported I/O controls. */
#define FBIOSETBACKLIGHT 0x4688
#define FBIODISPON 0x4689
#define FBIODISPOFF 0x468a
#define FBIORESET 0x468b
#define FBIOPRINT_REGS 0x468c
#define FBIOGETBUFADDRS 0x468d
#define FBIOROTATE 0x46a0 /* rotated fb */
struct jz_lcd_buffer_addrs_t {
int fb_num;
unsigned int lcd_desc_phys_addr;
unsigned int fb_phys_addr[CONFIG_JZLCD_FRAMEBUFFER_MAX];
};
/*
* LCD panel specific definition
*/
#if defined(CONFIG_JZLCD_TRULY_TFTG320240DTSW)
#if defined(CONFIG_JZ4730_PMP)
#define LCD_RESET_PIN 63
#endif
#define __lcd_special_on() \
do { \
__gpio_set_pin(LCD_RESET_PIN); \
__gpio_as_output(LCD_RESET_PIN); \
__gpio_clear_pin(LCD_RESET_PIN); \
udelay(100); \
__gpio_set_pin(LCD_RESET_PIN); \
} while (0)
#endif /* CONFIG_JZLCD_TRULY_TFTG320240DTSW */
#if defined(CONFIG_JZLCD_SAMSUNG_LTV350QVF04)
#if defined(CONFIG_JZ4730_FPRINT)
#define PortSDI 60
#define PortSCL 61
#define PortCS 62
#define PortRST 63
#define PortSht 64
#endif
#if defined(CONFIG_JZ4730_GPS)
#define PortSDI 74
#define PortSCL 72
#define PortCS 73
#define PortRST 60
#define PortSht 59
#endif
#ifndef PortSDI
#define PortSDI 0
#endif
#ifndef PortSCL
#define PortSCL 0
#endif
#ifndef PortCS
#define PortCS 0
#endif
#ifndef PortRST
#define PortRST 0
#endif
#ifndef PortSht
#define PortSht 0
#endif
#define __lcd_special_pin_init() \
do { \
__gpio_as_output(PortSDI); /* SDI */\
__gpio_as_output(PortSCL); /* SCL */ \
__gpio_as_output(PortCS); /* CS */ \
__gpio_as_output(PortRST); /* Reset */ \
__gpio_as_output(PortSht); /* Shut Down # */ \
__gpio_set_pin(PortCS); \
__gpio_set_pin(PortSCL); \
__gpio_set_pin(PortSDI); \
} while (0)
#define __spi_out(val) \
do { \
int __i__; \
unsigned int _t_ = (val); \
__gpio_clear_pin(PortCS); \
udelay(25); \
for (__i__ = 0; __i__ < 24; __i__++ ) { \
__gpio_clear_pin(PortSCL); \
if (_t_ & 0x800000) \
__gpio_set_pin(PortSDI); \
else \
__gpio_clear_pin(PortSDI); \
_t_ <<= 1; \
udelay(25); \
__gpio_set_pin(PortSCL); \
udelay(25); \
} \
__gpio_set_pin(PortCS); \
udelay(25); \
__gpio_set_pin(PortSDI); \
udelay(25); \
__gpio_set_pin(PortSCL); \
} while (0)
#define __spi_id_op_data(rs, rw, val) \
__spi_out((0x1d<<18)|((rs)<<17)|((rw)<<16)|(val))
#define __spi_write_reg(reg, val) \
do { \
__spi_id_op_data(0, 0, (reg)); \
__spi_id_op_data(1, 0, (val)); \
} while (0)
#define __lcd_special_on() \
do { \
__gpio_set_pin(PortSht); \
__gpio_clear_pin(PortRST); \
mdelay(10); \
__gpio_set_pin(PortRST); \
mdelay(1); \
__spi_write_reg(0x09, 0); \
mdelay(10); \
__spi_write_reg(0x09, 0x4000); \
__spi_write_reg(0x0a, 0x2000); \
mdelay(40); \
__spi_write_reg(0x09, 0x4055); \
mdelay(50); \
__spi_write_reg(0x01, 0x409d); \
__spi_write_reg(0x02, 0x0204); \
__spi_write_reg(0x03, 0x0100); \
__spi_write_reg(0x04, 0x3000); \
__spi_write_reg(0x05, 0x4003); \
__spi_write_reg(0x06, 0x000a); \
__spi_write_reg(0x07, 0x0021); \
__spi_write_reg(0x08, 0x0c00); \
__spi_write_reg(0x10, 0x0103); \
__spi_write_reg(0x11, 0x0301); \
__spi_write_reg(0x12, 0x1f0f); \
__spi_write_reg(0x13, 0x1f0f); \
__spi_write_reg(0x14, 0x0707); \
__spi_write_reg(0x15, 0x0307); \
__spi_write_reg(0x16, 0x0707); \
__spi_write_reg(0x17, 0x0000); \
__spi_write_reg(0x18, 0x0004); \
__spi_write_reg(0x19, 0x0000); \
mdelay(60); \
__spi_write_reg(0x09, 0x4a55); \
__spi_write_reg(0x05, 0x5003); \
} while (0)
#define __lcd_special_off() \
do { \
__spi_write_reg(0x09, 0x4055); \
__spi_write_reg(0x05, 0x4003); \
__spi_write_reg(0x0a, 0x0000); \
mdelay(10); \
__spi_write_reg(0x09, 0x4000); \
__gpio_clear_pin(PortSht); \
} while (0)
#endif /* CONFIG_JZLCD_SAMSUNG_LTV350QVF04 */
#if defined(CONFIG_JZLCD_AUO_A030FL01_V1)
#if defined(CONFIG_JZ4740_PAVO) /* board pavo */
#define SPEN (32*1+18) /*LCD_CS*/
#define SPCK (32*1+17) /*LCD_SCL*/
#define SPDA (32*2+12) /*LCD_SDA*/
#define LCD_RET (32*2+23) /*use for lcd reset*/
#elif defined(CONFIG_JZ4740_LYRA) /* board lyra */
#define SPEN (32*3+19) //LCD_CS
#define SPCK (32*3+18) //LCD_SCL
#define SPDA (32*3+20) //LCD_SDA
#define LCD_RET (32*3+31) //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(400); \
__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_set_pin(SPCK); \
udelay(1); \
__gpio_clear_pin(SPDA); \
__gpio_clear_pin(SPEN); \
udelay(1); \
for (no = 0; no < 16; no++ ) { \
__gpio_clear_pin(SPCK); \
udelay(1); \
if(no < 8) \
{ \
if (value & 0x80) /* send data */ \
__gpio_set_pin(SPDA); \
else \
__gpio_clear_pin(SPDA); \
value = (value << 1); \
udelay(1); \
__gpio_set_pin(SPCK); \
udelay(1); \
} \
else \
{ \
__gpio_as_input(SPDA); \
udelay(1); \
__gpio_set_pin(SPCK); \
udelay(1); \
val = (val << 1); \
val |= __gpio_get_pin(SPDA); \
udelay(1); \
} \
udelay(400); \
} \
__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_RET); \
udelay(50); \
__gpio_clear_pin(LCD_RET); \
udelay(100); \
__gpio_set_pin(LCD_RET); \
} while (0)
#define __lcd_special_on() \
do { \
udelay(50); \
__gpio_clear_pin(LCD_RET); \
udelay(100); \
__gpio_set_pin(LCD_RET); \
__spi_write_reg(0x0D, 0x44); \
__spi_write_reg(0x0D, 0x4D); \
__spi_write_reg(0x0B, 0x06); \
__spi_write_reg(0x40, 0xC0); \
__spi_write_reg(0x42, 0x43); \
__spi_write_reg(0x44, 0x28); \
__spi_write_reg(0x0D, 0x4F); \
} while (0)
#define __lcd_special_off() \
do { \
__spi_write_reg(0x04, 0x4C); \
} while (0)
#endif /* CONFIG_JZLCD_AUO_A030FL01_V1 */
//#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01)
#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01) || defined(CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL)
#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01) /* board pmp */
#define MODE 0xcd /* 24bit parellel RGB */
#endif
#if defined(CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL)
#define MODE 0xc9 /* 8bit serial RGB */
#endif
#if defined(CONFIG_JZ4730_PMP)
#define SPEN 60 //LCD_SPL
#define SPCK 61 //LCD_CLS
#define SPDA 62 //LCD_PS
#define LCD_RET 63 //LCD_REV //use for lcd reset
#elif defined(CONFIG_JZ4740_LEO) /* board leo */
#define SPEN (32*1+18) //LCD_SPL
#define SPCK (32*1+17) //LCD_CLS
#define SPDA (32*2+22) //LCD_PS
#define LCD_RET (32*2+23) //LCD_REV //use for lcd reset
#elif defined(CONFIG_JZ4740_PAVO) /* board pavo */
#define SPEN (32*1+18) //LCD_SPL
#define SPCK (32*1+17) //LCD_CLS
#define SPDA (32*2+12) //LCD_D12
#define LCD_RET (32*2+23) //LCD_REV, GPC23
#if 0 /*old driver*/
#define SPEN (32*1+18) //LCD_SPL
#define SPCK (32*1+17) //LCD_CLS
#define SPDA (32*2+12) //LCD_D12
#define LCD_RET (32*3+27) //PWM4 //use for lcd reset
#endif
#else
#error "driver/video/Jzlcd.h, please define SPI pins on your board."
#endif
#define __spi_write_reg1(reg, val) \
do { \
unsigned char no;\
unsigned short value;\
unsigned char a=0;\
unsigned char b=0;\
a=reg;\
b=val;\
__gpio_set_pin(SPEN);\
__gpio_set_pin(SPCK);\
__gpio_clear_pin(SPDA);\
__gpio_clear_pin(SPEN);\
udelay(25);\
value=((a<<8)|(b&0xFF));\
for(no=0;no<16;no++)\
{\
__gpio_clear_pin(SPCK);\
if((value&0x8000)==0x8000)\
__gpio_set_pin(SPDA);\
else\
__gpio_clear_pin(SPDA);\
udelay(25);\
__gpio_set_pin(SPCK);\
value=(value<<1); \
udelay(25);\
}\
__gpio_set_pin(SPEN);\
udelay(100);\
} while (0)
#define __spi_write_reg(reg, val) \
do {\
__spi_write_reg1((reg<<2|2), val); \
udelay(100); \
}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_RET);\
udelay(50);\
__gpio_clear_pin(LCD_RET);\
mdelay(150);\
__gpio_set_pin(LCD_RET);\
} while (0)
#define __lcd_special_on() \
do { \
udelay(50);\
__gpio_clear_pin(LCD_RET);\
mdelay(150);\
__gpio_set_pin(LCD_RET);\
mdelay(10);\
__spi_write_reg(0x00, 0x03); \
__spi_write_reg(0x01, 0x40); \
__spi_write_reg(0x02, 0x11); \
__spi_write_reg(0x03, MODE); /* mode */ \
__spi_write_reg(0x04, 0x32); \
__spi_write_reg(0x05, 0x0e); \
__spi_write_reg(0x07, 0x03); \
__spi_write_reg(0x08, 0x08); \
__spi_write_reg(0x09, 0x32); \
__spi_write_reg(0x0A, 0x88); \
__spi_write_reg(0x0B, 0xc6); \
__spi_write_reg(0x0C, 0x20); \
__spi_write_reg(0x0D, 0x20); \
} while (0) //reg 0x0a is control the display direction:DB0->horizontal level DB1->vertical level
/* __spi_write_reg(0x02, 0x03); \
__spi_write_reg(0x06, 0x40); \
__spi_write_reg(0x0a, 0x11); \
__spi_write_reg(0x0e, 0xcd); \
__spi_write_reg(0x12, 0x32); \
__spi_write_reg(0x16, 0x0e); \
__spi_write_reg(0x1e, 0x03); \
__spi_write_reg(0x22, 0x08); \
__spi_write_reg(0x26, 0x40); \
__spi_write_reg(0x2a, 0x88); \
__spi_write_reg(0x2e, 0x88); \
__spi_write_reg(0x32, 0x20); \
__spi_write_reg(0x36, 0x20); \
*/
// } while (0) //reg 0x0a is control the display direction:DB0->horizontal level DB1->vertical level
#define __lcd_special_off() \
do { \
__spi_write_reg(0x00, 0x03); \
} while (0)
#endif /* CONFIG_JZLCD_FOXCONN_PT035TN01 or CONFIG_JZLCD_INNOLUX_PT035TN01_SERIAL */
#ifndef __lcd_special_pin_init
#define __lcd_special_pin_init()
#endif
#ifndef __lcd_special_on
#define __lcd_special_on()
#endif
#ifndef __lcd_special_off
#define __lcd_special_off()
#endif
/*
* Platform specific definition
*/
#if defined(CONFIG_JZ4730_GPS)
#define __lcd_set_backlight_level(n) \
do { \
; \
} while (0)
#define __lcd_display_pin_init() \
do { \
__lcd_special_pin_init(); \
__gpio_as_output(94); /* PWM0 pin */ \
__gpio_as_output(95); /* PWM1 pin */ \
} while (0)
#define __lcd_display_on() \
do { \
__lcd_special_on(); \
__gpio_set_pin(94); /* PWM0 pin */ \
__gpio_set_pin(95); /* PWM1 pin */ \
__lcd_set_backlight_level(8); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_special_off(); \
} while (0)
#endif /* CONFIG_JZ4730_GPS */
#if defined(CONFIG_JZ4730_FPRINT)
#define __lcd_set_backlight_level(n) \
do { \
REG_PWM_DUT(0) = n; \
REG_PWM_PER(0) = 7; \
REG_PWM_CTR(0) = 0x81; \
} while (0)
#if defined(CONFIG_JZLCD_FOXCONN_PT035TN01)
#define __lcd_display_pin_init() \
do { \
__lcd_special_pin_init();\
__gpio_as_pwm();\
__lcd_set_backlight_level(8);\
} while (0)
#define __lcd_display_on() \
do { \
__lcd_set_backlight_level(8); \
__lcd_special_on();\
} while (0)
#define __lcd_display_off() \
do { \
__lcd_set_backlight_level(0); \
__lcd_special_off();\
} while (0)
#else
#define __lcd_display_pin_init() \
do { \
__gpio_as_output(GPIO_DISP_OFF_N); \
__gpio_as_pwm(); \
__lcd_set_backlight_level(8); \
} while (0)
#define __lcd_display_on() \
do { \
__lcd_set_backlight_level(8); \
__gpio_set_pin(GPIO_DISP_OFF_N); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_set_backlight_level(0); \
__gpio_clear_pin(GPIO_DISP_OFF_N); \
} while (0)
#endif
#endif /* CONFIG_JZ4730_FPRINT */
#if defined(CONFIG_JZ4730_LIBRA)
#define __lcd_set_backlight_level(n) \
do { \
} while (0)
#define __lcd_display_pin_init() \
do { \
__lcd_special_pin_init(); \
__gpio_clear_pin(100); \
__gpio_as_output(100); \
__gpio_as_output(94); \
__gpio_as_output(95); \
__lcd_set_backlight_level(8); \
} while (0)
#define __lcd_display_on() \
do { \
__lcd_special_on(); \
__gpio_set_pin(100); \
__gpio_set_pin(94); \
__gpio_set_pin(95); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_special_off(); \
__gpio_clear_pin(100); \
__gpio_clear_pin(94); \
__gpio_clear_pin(95); \
} while (0)
#endif /* CONFIG_JZ4730_LIBRA */
#if defined(CONFIG_JZ4730_PMP)
#define __lcd_set_backlight_level(n) \
do { \
REG_PWM_DUT(0) = n; \
REG_PWM_PER(0) = 7; \
REG_PWM_CTR(0) = 0x81; \
} while (0)
#define __lcd_display_pin_init() \
do { \
__gpio_as_output(GPIO_DISP_OFF_N); \
__gpio_as_pwm(); \
__lcd_set_backlight_level(10); \
__lcd_special_pin_init(); \
} while (0)
#define __lcd_display_on() \
do { \
__lcd_special_on(); \
__lcd_set_backlight_level(8); \
__gpio_set_pin(GPIO_DISP_OFF_N); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_special_off(); \
__lcd_set_backlight_level(0); \
__gpio_clear_pin(GPIO_DISP_OFF_N); \
} while (0)
#endif /* CONFIG_JZ4730_PMP */
/*#if defined(CONFIG_JZ4740_LEO) || defined(CONFIG_JZ4740_PAVO)*/
#if defined(CONFIG_SOC_JZ4740)
#if defined(CONFIG_JZ4740_PAVO) || defined(CONFIG_JZ4740_LYRA)
#define GPIO_PWM 123 /* GP_D27 */
#define PWM_CHN 4 /* pwm channel */
#define PWM_FULL 101
/* 100 level: 0,1,...,100 */
#define __lcd_set_backlight_level(n)\
do { \
__gpio_as_output(32*3+27); \
__gpio_set_pin(32*3+27); \
} while (0)
#define __lcd_close_backlight() \
do { \
__gpio_as_output(GPIO_PWM); \
__gpio_clear_pin(GPIO_PWM); \
} while (0)
#elif defined(CONFIG_JZ4720_VIRGO)
#define GPIO_PWM 119 /* GP_D23 */
#define PWM_CHN 0 /* pwm channel */
#define PWM_FULL 101
/* 100 level: 0,1,...,100 */
/*#define __lcd_set_backlight_level(n) \
do { \
__gpio_as_pwm(0); \
__tcu_disable_pwm_output(PWM_CHN); \
__tcu_stop_counter(PWM_CHN); \
__tcu_init_pwm_output_high(PWM_CHN); \
__tcu_set_pwm_output_shutdown_abrupt(PWM_CHN); \
__tcu_select_clk_div1(PWM_CHN); \
__tcu_mask_full_match_irq(PWM_CHN); \
__tcu_mask_half_match_irq(PWM_CHN); \
__tcu_set_count(PWM_CHN,0); \
__tcu_set_full_data(PWM_CHN,__cpm_get_extalclk()/1000); \
__tcu_set_half_data(PWM_CHN,__cpm_get_extalclk()/1000*n/100); \
__tcu_enable_pwm_output(PWM_CHN); \
__tcu_select_extalclk(PWM_CHN); \
__tcu_start_counter(PWM_CHN); \
} while (0)
*/
#define __lcd_set_backlight_level(n) \
do { \
__gpio_as_output(GPIO_PWM); \
__gpio_set_pin(GPIO_PWM); \
} while (0)
#define __lcd_close_backlight() \
do { \
__gpio_as_output(GPIO_PWM); \
__gpio_clear_pin(GPIO_PWM); \
} while (0)
#else
#define __lcd_set_backlight_level(n)
#define __lcd_close_backlight()
#endif /* #if defined(CONFIG_MIPS_JZ4740_PAVO) */
#define __lcd_display_pin_init() \
do { \
__gpio_as_output(GPIO_DISP_OFF_N); \
__cpm_start_tcu(); \
__lcd_special_pin_init(); \
} while (0)
/* __lcd_set_backlight_level(100); \*/
#define __lcd_display_on() \
do { \
__gpio_set_pin(GPIO_DISP_OFF_N); \
__lcd_special_on(); \
__lcd_set_backlight_level(80); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_special_off(); \
__lcd_close_backlight(); \
__gpio_clear_pin(GPIO_DISP_OFF_N); \
} while (0)
#endif /* CONFIG_MIPS_JZ4740_LEO */
#if defined(CONFIG_JZLCD_MSTN_240x128)
#if 0 /* The final version does not use software emulation of VCOM. */
#define GPIO_VSYNC 59
#define GPIO_VCOM 90
#define REG_VCOM REG_GPIO_GPDR((GPIO_VCOM>>5))
#define VCOM_BIT (1 << (GPIO_VCOM & 0x1f))
static unsigned int vcom_static;
static void vsync_irq(int irq, void *dev_id, struct pt_regs *reg)
{
vcom_static = REG_VCOM;
vcom_static ^= VCOM_BIT;
REG_VCOM = vcom_static;
}
#define __lcd_display_pin_init() \
__gpio_as_irq_rise_edge(GPIO_VSYNC); \
__gpio_as_output(GPIO_VCOM); \
{ \
static int inited = 0; \
if (!inited) { \
inited = 1; \
if (request_irq(IRQ_GPIO_0 + GPIO_VSYNC, vsync_irq, SA_INTERRUPT, \
"vsync", 0)) { \
err = -EBUSY; \
goto failed; \
}}}
#endif
/* We uses AC BIAs pin to generate VCOM signal, so above code should be removed.
*/
#endif
/*****************************************************************************
* LCD display pin dummy macros
*****************************************************************************/
#ifndef __lcd_display_pin_init
#define __lcd_display_pin_init()
#endif
#ifndef __lcd_display_on
#define __lcd_display_on()
#endif
#ifndef __lcd_display_off
#define __lcd_display_off()
#endif
#ifndef __lcd_set_backlight_level
#define __lcd_set_backlight_level(n)
#endif
#endif /* __JZLCD_H__ */
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