mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 05:54:26 -04:00
235 lines
5.1 KiB
C
235 lines
5.1 KiB
C
/*
|
|
* JzRISC lcd controller
|
|
*
|
|
* xiangfu liu <xiangfu.z@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __QI_LB60_GPM940B0_H__
|
|
#define __QI_LB60_GPM940B0_H__
|
|
|
|
#include <asm/io.h>
|
|
|
|
#define mdelay(n) udelay((n)*1000)
|
|
|
|
#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_REG 0x468c
|
|
|
|
/*
|
|
* LCD panel specific definition
|
|
*/
|
|
#define MODE 0xc9 /* 8bit serial RGB */
|
|
#define SPEN (32*2+21) /*LCD_SPL */
|
|
#define SPCK (32*2+23) /*LCD_CLS */
|
|
#define SPDA (32*2+22) /*LCD_D12 */
|
|
#define LCD_RET (32*3+27)
|
|
|
|
#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);\
|
|
} while (0)
|
|
|
|
#define __lcd_special_on() \
|
|
do { \
|
|
__spi_write_reg1(0x05, 0x1e); \
|
|
udelay(50);\
|
|
__spi_write_reg1(0x05, 0x5d); \
|
|
__spi_write_reg1(0x0B, 0x81); \
|
|
__spi_write_reg1(0x01, 0x95); \
|
|
__spi_write_reg1(0x00, 0x07); \
|
|
__spi_write_reg1(0x06, 0x15); \
|
|
__spi_write_reg1(0x07, 0x8d); \
|
|
__spi_write_reg1(0x04, 0x0f); \
|
|
__spi_write_reg1(0x0d, 0x3d); \
|
|
__spi_write_reg1(0x10, 0x42); \
|
|
__spi_write_reg1(0x11, 0x3a); \
|
|
__spi_write_reg1(0x05, 0x5f); \
|
|
} while (0)
|
|
|
|
#define __lcd_special_off() \
|
|
do { \
|
|
__spi_write_reg1(0x05, 0x5e); \
|
|
} while (0)
|
|
|
|
#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)
|
|
|
|
#define __lcd_set_backlight_level(n)\
|
|
do { \
|
|
__gpio_as_output(LCD_RET); \
|
|
__gpio_set_pin(LCD_RET); \
|
|
} while (0)
|
|
|
|
#if defined(CONFIG_SAKC)
|
|
#define __lcd_close_backlight() \
|
|
do { \
|
|
__gpio_as_output(GPIO_PWM); \
|
|
__gpio_clear_pin(GPIO_PWM); \
|
|
} while (0)
|
|
#endif
|
|
|
|
#if defined(CONFIG_SAKC)
|
|
#define __lcd_display_pin_init() \
|
|
do { \
|
|
__cpm_start_tcu(); \
|
|
__lcd_special_pin_init(); \
|
|
} while (0)
|
|
|
|
#define __lcd_display_on() \
|
|
do { \
|
|
__lcd_special_on(); \
|
|
} while (0)
|
|
|
|
#define __lcd_display_off() \
|
|
do { \
|
|
__lcd_special_off(); \
|
|
} while (0)
|
|
#else
|
|
#define __lcd_display_pin_init() \
|
|
do { \
|
|
__cpm_start_tcu(); \
|
|
__lcd_special_pin_init(); \
|
|
} while (0)
|
|
|
|
#define __lcd_display_on() \
|
|
do { \
|
|
__gpio_set_pin(GPIO_DISP_OFF_N); \
|
|
__lcd_special_on(); \
|
|
} while (0)
|
|
|
|
#define __lcd_display_off() \
|
|
do { \
|
|
__lcd_special_off(); \
|
|
__gpio_clear_pin(GPIO_DISP_OFF_N); \
|
|
} while (0)
|
|
#endif
|
|
|
|
#endif /* __QI_LB60_GPM940B0_H__ */
|