qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-03 07:00:38 +02:00
Code
8fc6527893
openwrt-xburst/target/linux/xburst/files-2.6.27/drivers/video/jz4750_lcd.h

797 lines
21 KiB
C
Raw Normal View History

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/jz4750_lcd.h -- Ingenic Jz4750 On-Chip LCD frame buffer device
*
* Copyright (C) 2005-2008, 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 __JZ4750_LCD_H__
#define __JZ4750_LCD_H__
//#include <asm/io.h>
#define NR_PALETTE 256
#define PALETTE_SIZE (NR_PALETTE*2)
/* use new descriptor(8 words) */
struct jz4750_lcd_dma_desc {
unsigned int next_desc; /* LCDDAx */
unsigned int databuf; /* LCDSAx */
unsigned int frame_id; /* LCDFIDx */
unsigned int cmd; /* LCDCMDx */
unsigned int offsize; /* Stride Offsize(in word) */
unsigned int page_width; /* Stride Pagewidth(in word) */
unsigned int cmd_num; /* Command Number(for SLCD) */
unsigned int desc_size; /* Foreground Size */
};
struct jz4750lcd_panel_t {
unsigned int cfg; /* panel mode and pin usage etc. */
unsigned int slcd_cfg; /* Smart lcd configurations */
unsigned int ctrl; /* lcd controll register */
unsigned int w; /* Panel Width(in pixel) */
unsigned int h; /* Panel Height(in line) */
unsigned int fclk; /* frame clk */
unsigned int hsw; /* hsync width, in pclk */
unsigned int vsw; /* vsync width, in line count */
unsigned int elw; /* end of line, in pclk */
unsigned int blw; /* begin of line, in pclk */
unsigned int efw; /* end of frame, in line count */
unsigned int bfw; /* begin of frame, in line count */
};
struct jz4750lcd_fg_t {
int bpp; /* foreground bpp */
int x; /* foreground start position x */
int y; /* foreground start position y */
int w; /* foreground width */
int h; /* foreground height */
};
struct jz4750lcd_osd_t {
unsigned int osd_cfg; /* OSDEN, ALHPAEN, F0EN, F1EN, etc */
unsigned int osd_ctrl; /* IPUEN, OSDBPP, etc */
unsigned int rgb_ctrl; /* RGB Dummy, RGB sequence, RGB to YUV */
unsigned int bgcolor; /* background color(RGB888) */
unsigned int colorkey0; /* foreground0's Colorkey enable, Colorkey value */
unsigned int colorkey1; /* foreground1's Colorkey enable, Colorkey value */
unsigned int alpha; /* ALPHAEN, alpha value */
unsigned int ipu_restart; /* IPU Restart enable, ipu restart interval time */
#define FG_NOCHANGE 0x0000
#define FG0_CHANGE_SIZE 0x0001
#define FG0_CHANGE_POSITION 0x0002
#define FG1_CHANGE_SIZE 0x0010
#define FG1_CHANGE_POSITION 0x0020
#define FG_CHANGE_ALL ( FG0_CHANGE_SIZE | FG0_CHANGE_POSITION | \
FG1_CHANGE_SIZE | FG1_CHANGE_POSITION )
int fg_change;
struct jz4750lcd_fg_t fg0; /* foreground 0 */
struct jz4750lcd_fg_t fg1; /* foreground 1 */
};
struct jz4750lcd_info {
struct jz4750lcd_panel_t panel;
struct jz4750lcd_osd_t osd;
};
/* Jz LCDFB supported I/O controls. */
#define FBIOSETBACKLIGHT 0x4688 /* set back light level */
#define FBIODISPON 0x4689 /* display on */
#define FBIODISPOFF 0x468a /* display off */
#define FBIORESET 0x468b /* lcd reset */
#define FBIOPRINT_REG 0x468c /* print lcd registers(debug) */
#define FBIOROTATE 0x46a0 /* rotated fb */
#define FBIOGETBUFADDRS 0x46a1 /* get buffers addresses */
#define FBIO_GET_MODE 0x46a2 /* get lcd info */
#define FBIO_SET_MODE 0x46a3 /* set osd mode */
#define FBIO_DEEP_SET_MODE 0x46a4 /* set panel and osd mode */
#define FBIO_MODE_SWITCH 0x46a5 /* switch mode between LCD and TVE */
#define FBIO_GET_TVE_MODE 0x46a6 /* get tve info */
#define FBIO_SET_TVE_MODE 0x46a7 /* set tve mode */
#define FBIODISON_FG 0x46a8 /* FG display on */
#define FBIODISOFF_FG 0x46a9 /* FG display on */
#define FBIO_SET_LCD_TO_TVE 0x46b0 /* set lcd to tve mode */
#define FBIO_SET_FRM_TO_LCD 0x46b1 /* set framebuffer to lcd */
#define FBIO_SET_IPU_TO_LCD 0x46b2 /* set ipu to lcd directly */
#define FBIO_CHANGE_SIZE 0x46b3 /* change FG size */
#define FBIO_CHANGE_POSITION 0x46b4 /* change FG starts position */
#define FBIO_SET_BG_COLOR 0x46b5 /* set background color */
#define FBIO_SET_IPU_RESTART_VAL 0x46b6 /* set ipu restart value */
#define FBIO_SET_IPU_RESTART_ON 0x46b7 /* set ipu restart on */
#define FBIO_SET_IPU_RESTART_OFF 0x46b8 /* set ipu restart off */
#define FBIO_ALPHA_ON 0x46b9 /* enable alpha */
#define FBIO_ALPHA_OFF 0x46c0 /* disable alpha */
#define FBIO_SET_ALPHA_VAL 0x46c1 /* set alpha value */
/*
* LCD panel specific definition
*/
/* AUO */
#if defined(CONFIG_JZ4750_LCD_AUO_A043FL01V2)
#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_RET (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_RET (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_RET (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_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); \
} while (0)
#define __lcd_special_off() \
do { \
__gpio_clear_pin(LCD_RET); \
} while (0)
#endif /* CONFIG_JZLCD_AUO_A030FL01_V1 */
/* TRULY_TFTG320240DTSW */
#if defined(CONFIG_JZ4750_LCD_TRULY_TFTG320240DTSW_16BIT) || defined(CONFIG_JZ4750_LCD_TRULY_TFTG320240DTSW_18BIT)
#if defined(CONFIG_JZ4750_FUWA)
#define LCD_RESET_PIN (32*3+25)// LCD_REV, GPD25
#else
#error "Define LCD_RESET_PIN on your board"
#endif
#define __lcd_special_on() \
do { \
__gpio_as_output(32*3+30);\
__gpio_clear_pin(32*3+30);\
__gpio_as_output(LCD_RESET_PIN); \
__gpio_set_pin(LCD_RESET_PIN); \
udelay(100); \
__gpio_clear_pin(LCD_RESET_PIN); \
udelay(100); \
__gpio_set_pin(LCD_RESET_PIN); \
} while (0)
#endif /* CONFIG_JZ4750_LCD_TRULY_TFTG320240DTSW */
// Wolfgang 2008.02.23
#if defined(CONFIG_JZ4750_LCD_TOPPOLY_TD025THEA7_RGB_DELTA) || defined(CONFIG_JZ4750_LCD_TOPPOLY_TD025THEA7_RGB_DUMMY)
#if defined(CONFIG_JZ4750_LCD_TOPPOLY_TD025THEA7_RGB_DELTA)
#define PANEL_MODE 0x02 /* RGB Delta */
#elif defined(CONFIG_JZ4750_LCD_TOPPOLY_TD025THEA7_RGB_DUMMY)
#define PANEL_MODE 0x00 /* RGB Dummy */
#endif
#if defined(CONFIG_JZ4750_FUWA) /* board FuWa */
#define SPEN (32*3+16) //LCD_D16 - GPD16
#define SPCK (32*3+17) //LCD_D17 - GPD17
#define SPDA (32*3+21) //LCD_DE - GPD21
#define LCD_RET (32*3+25) //LCD_REV - GPD25 //use for lcd reset
#else
#error "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);\
udelay(100);\
__gpio_clear_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_clear_pin(SPCK);\
__gpio_set_pin(SPEN);\
udelay(100);\
} while (0)
#define __spi_write_reg(reg, val) \
do {\
__spi_write_reg1((reg<<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(SPDA); /* use reset */\
__gpio_as_output(LCD_RET); /* use reset */\
__gpio_set_pin(LCD_RET);\
mdelay(15);\
__gpio_clear_pin(LCD_RET);\
mdelay(15);\
__gpio_set_pin(LCD_RET);\
} while (0)
#define __lcd_special_on() \
do { \
mdelay(10); \
__spi_write_reg(0x00, 0x10); \
__spi_write_reg(0x01, 0xB1); \
__spi_write_reg(0x00, 0x10); \
__spi_write_reg(0x01, 0xB1); \
__spi_write_reg(0x02, PANEL_MODE); /* RGBD MODE */ \
__spi_write_reg(0x03, 0x01); /* Noninterlace*/ \
mdelay(10); \
} while (0)
#define __lcd_special_off() \
do { \
} while (0)
#endif /* CONFIG_JZ4750_LCD_TOPPOLY_TD025THEA7_RGB_DELTA */
#if defined(CONFIG_JZ4750_LCD_FOXCONN_PT035TN01) || defined(CONFIG_JZ4750_LCD_INNOLUX_PT035TN01_SERIAL)
#if defined(CONFIG_JZ4750_LCD_FOXCONN_PT035TN01) /* board FUWA */
#define MODE 0xcd /* 24bit parellel RGB */
#endif
#if defined(CONFIG_JZ4750_LCD_INNOLUX_PT035TN01_SERIAL)
#define MODE 0xc9 /* 8bit serial RGB */
#endif
#if defined(CONFIG_JZ4750_FUWA) /* board FuWa */
#if 0
#define SPEN (32*5+7) //LCD_SPL GPF7
#define SPCK (32*5+6) //LCD_CLS GPF6
#define SPDA (32*5+5) //LCD_PS GPF5
#define LCD_RET (32*5+4) //LCD_REV GPF4 //use for lcd reset
#endif
#define SPEN (32*3+29) /*LCD_CS*/
#define SPCK (32*3+26) /*LCD_SCL*/
#define SPDA (32*3+27) /*LCD_SDA*/
#define LCD_RET (32*4+25) /*LCD_DISP_N use for lcd reset*/
#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_JZ4750_LCD_FOXCONN_PT035TN01 or CONFIG_JZ4750_LCD_INNOLUX_PT035TN01_SERIAL */
#if defined(CONFIG_JZ4750_LCD_TRULY_TFT_GG1P0319LTSW_W)
static inline void CmdWrite(unsigned int cmd)
{
while (REG_SLCD_STATE & SLCD_STATE_BUSY); /* wait slcd ready */
udelay(30);
REG_SLCD_DATA = SLCD_DATA_RS_COMMAND | cmd;
}
static inline void DataWrite(unsigned int data)
{
while (REG_SLCD_STATE & SLCD_STATE_BUSY); /* wait slcd ready */
// udelay(30);
REG_SLCD_DATA = SLCD_DATA_RS_DATA | data;
}
static inline void delay(long delay_time)
{
long cnt;
// delay_time *= (384/8);
delay_time *= (43/8);
for (cnt=0;cnt<delay_time;cnt++)
{
asm("nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
"nop\n"
);
}
}
/*---- LCD Initial ----*/
static void SlcdInit(void)
{
delay(10000);
CmdWrite(0x0301); //reset
delay(10000);
CmdWrite(0x0101);
CmdWrite(0x0301);
CmdWrite(0x0008);
CmdWrite(0x2201); //reset
CmdWrite(0x0000);
CmdWrite(0x0080); //0x0020
delay(10000);
CmdWrite(0x2809);
CmdWrite(0x1900);
CmdWrite(0x2110);
CmdWrite(0x1805);
CmdWrite(0x1E01);
CmdWrite(0x1847);
delay(1000);
CmdWrite(0x1867);
delay(10000);
CmdWrite(0x18F7);
delay(10000);
CmdWrite(0x2100);
CmdWrite(0x2809);
CmdWrite(0x1a05);
CmdWrite(0x1900);
CmdWrite(0x1f64);
CmdWrite(0x2070);
CmdWrite(0x1e81);
CmdWrite(0x1b01);
CmdWrite(0x0200);
CmdWrite(0x0504); //y address increcement
CmdWrite(0x0D00); //*240
CmdWrite(0x1D08);
CmdWrite(0x2300);
CmdWrite(0x2D01);
CmdWrite(0x337F);
CmdWrite(0x3400);
CmdWrite(0x3501);
CmdWrite(0x3700);
CmdWrite(0x42ef); //x start from 239
CmdWrite(0x4300);
CmdWrite(0x4400); //y start from 0
CmdWrite(0x4500);
CmdWrite(0x46EF);
CmdWrite(0x4700);
CmdWrite(0x4800);
CmdWrite(0x4901);
CmdWrite(0x4A3F);
CmdWrite(0x4B00);
CmdWrite(0x4C00);
CmdWrite(0x4D00);
CmdWrite(0x4E00);
CmdWrite(0x4F00);
CmdWrite(0x5000);
CmdWrite(0x7600);
CmdWrite(0x8600);
CmdWrite(0x8720);
CmdWrite(0x8802);
CmdWrite(0x8903);
CmdWrite(0x8D40);
CmdWrite(0x8F05);
CmdWrite(0x9005);
CmdWrite(0x9144);
CmdWrite(0x9244);
CmdWrite(0x9344);
CmdWrite(0x9433);
CmdWrite(0x9505);
CmdWrite(0x9605);
CmdWrite(0x9744);
CmdWrite(0x9844);
CmdWrite(0x9944);
CmdWrite(0x9A33);
CmdWrite(0x9B33);
CmdWrite(0x9C33);
//==> SETP 3
CmdWrite(0x0000);
CmdWrite(0x01A0);
CmdWrite(0x3B01);
CmdWrite(0x2809);
delay(1000);
CmdWrite(0x1900);
delay(1000);
CmdWrite(0x2110);
delay(1000);
CmdWrite(0x1805);
delay(1000);
CmdWrite(0x1E01);
delay(1000);
CmdWrite(0x1847);
delay(1000);
CmdWrite(0x1867);
delay(1000);
CmdWrite(0x18F7);
delay(1000);
CmdWrite(0x2100);
delay(1000);
CmdWrite(0x2809);
delay(1000);
CmdWrite(0x1A05);
delay(1000);
CmdWrite(0x19E8);
delay(1000);
CmdWrite(0x1F64);
delay(1000);
CmdWrite(0x2045);
delay(1000);
CmdWrite(0x1E81);
delay(1000);
CmdWrite(0x1B09);
delay(1000);
CmdWrite(0x0020);
delay(1000);
CmdWrite(0x0120);
delay(1000);
CmdWrite(0x3B01);
delay(1000);
/* Set Window(239,319), Set Cursor(239,319) */
CmdWrite(0x0510);
CmdWrite(0x01C0);
CmdWrite(0x4500);
CmdWrite(0x46EF);
CmdWrite(0x4800);
CmdWrite(0x4700);
CmdWrite(0x4A3F);
CmdWrite(0x4901);
CmdWrite(0x42EF);
CmdWrite(0x443F);
CmdWrite(0x4301);
}
#if defined(CONFIG_JZ4750_FUWA)
//#define PIN_CS_N (32*2+xx) /* a low voltage */
#define PIN_RD_N (32*3+21) /* LCD_DE: GP D21, a high voltage */
#define PIN_RESET_N (32*3+25) /* LCD_REV GP D25 */
#else
#error "Define special lcd pins for your platform."
#endif
#define __lcd_slcd_pin_init() \
do { \
__gpio_as_output(PIN_RD_N); /* RD#: LCD_REV */ \
__gpio_as_output(PIN_RESET_N); /* RESET#: LCD_SPL */ \
__gpio_set_pin(PIN_RD_N); /*set read signal high */ \
__gpio_set_pin(PIN_RESET_N); \
mdelay(100); \
__gpio_clear_pin(PIN_RESET_N); \
mdelay(100); \
__gpio_set_pin(PIN_RESET_N); \
/* Configure SLCD module */ \
REG_LCD_CTRL &= ~(LCD_CTRL_ENA|LCD_CTRL_DIS); /* disable lcdc */ \
REG_LCD_CFG = LCD_CFG_LCDPIN_SLCD | 0x0D; /* LCM */ \
REG_SLCD_CTRL &= ~SLCD_CTRL_DMA_EN; /* disable slcd dma */ \
REG_SLCD_CFG = SLCD_CFG_DWIDTH_16BIT | SLCD_CFG_CWIDTH_16BIT | SLCD_CFG_CS_ACTIVE_LOW | SLCD_CFG_RS_CMD_LOW | SLCD_CFG_CLK_ACTIVE_FALLING | SLCD_CFG_TYPE_PARALLEL; \
REG_LCD_REV = 0x04; /* lcd clock??? */ \
printk("Fuwa test, pixclk divide REG_LCD_REV=0x%08x\n", REG_LCD_REV); \
}while (0)
#define __lcd_slcd_special_on() \
do { \
__lcd_slcd_pin_init(); \
SlcdInit(); \
REG_SLCD_CTRL |= SLCD_CTRL_DMA_EN; /* slcdc dma enable */ \
} while (0)
#endif /* #if CONFIG_JZ4750_LCD_TRULY_TFT_GG1P0319LTSW_W */
#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_SOC_JZ4750) || defined(CONFIG_SOC_JZ4750D)
#if defined(CONFIG_JZ4750_APUS) /* board apus */
#define __lcd_display_pin_init() \
do { \
__gpio_as_output(GPIO_LCD_VCC_EN_N); \
__lcd_special_pin_init(); \
} while (0)
#define __lcd_display_on() \
do { \
__gpio_clear_pin(GPIO_LCD_VCC_EN_N); \
__lcd_special_on(); \
mdelay(200); \
__lcd_set_backlight_level(80); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_close_backlight(); \
__lcd_special_off(); \
} while (0)
#elif defined(CONFIG_JZ4750D_CETUS)/* board apus */
#define __lcd_display_pin_init() \
do { \
__gpio_as_output(GPIO_LCD_VCC_EN_N); \
__lcd_special_pin_init(); \
} while (0)
#define __lcd_display_on() \
do { \
__gpio_set_pin(GPIO_LCD_VCC_EN_N); \
__lcd_special_on(); \
__lcd_set_backlight_level(80); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_close_backlight(); \
__lcd_special_off(); \
} while (0)
#else /* other boards */
#define __lcd_display_pin_init() \
do { \
__lcd_special_pin_init(); \
} while (0)
#define __lcd_display_on() \
do { \
__lcd_special_on(); \
__lcd_set_backlight_level(80); \
} while (0)
#define __lcd_display_off() \
do { \
__lcd_close_backlight(); \
__lcd_special_off(); \
} while (0)
#endif /* APUS */
#endif /* CONFIG_SOC_JZ4750 */
/*****************************************************************************
* LCD display pin dummy macros
*****************************************************************************/
#ifndef __lcd_display_pin_init
#define __lcd_display_pin_init()
#endif
#ifndef __lcd_slcd_special_on
#define __lcd_slcd_special_on()
#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 /* __JZ4750_LCD_H__ */
Copy Permalink