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/**
@file tgpio.h
@date 2010/1/4
@author 오재경 freefrug@falinux.com FALinux.Co.,Ltd.
@brief gpio 를 드라이버없이 mmap를 이용하여 제어한다.
Ver 0.6.0
@modify
@todo
@bug
@remark
@warning
*/
//----------------------------------------------------------------------------
#ifndef _TGPIO_HEADER_
#define _TGPIO_HEADER_
#define MCU_AM3874 3874
#define MCU_S5PV210 210
#define MCU_S3C6410 6410
#define MCU_S3C2440 2440
#define MCU_PXA270 270
#define MCU_PXA255 255
#define MCU_IXP420 420
#define MCU_IXP430 430
#define MCU_IXP435 435
#define MCU_iMX6 1006
#define MCU_iMX6_STR "imx6"
#define MCU_iMX6_GPIO_GRP_CNT 7
#define MCU_iMX6_GPIO1_PHYS 0x0209C000
#define MCU_iMX6_GPIO2_PHYS 0x020A0000
#define MCU_iMX6_GPIO3_PHYS 0x020A4000
#define MCU_iMX6_GPIO4_PHYS 0x020A8000
#define MCU_iMX6_GPIO5_PHYS 0x020AC000
#define MCU_iMX6_GPIO6_PHYS 0x020B0000
#define MCU_iMX6_GPIO7_PHYS 0x020B4000
#define MCU_iMX6_GPIO_PHYS_SIZE 0x1000
#define MCU_iMX6_GPIO_DAT_OFS 0x00
#define MCU_iMX6_GPIO_DIR_OFS 0x04
#define iMX6_GPIO_DATPORT(base) *(volatile unsigned long *)( (int)(base) + MCU_iMX6_GPIO_DAT_OFS )
#define iMX6_GPIO_DIRPORT(base) *(volatile unsigned long *)( (int)(base) + MCU_iMX6_GPIO_DIR_OFS )
#define MCU_iMX6_GPIO_DIR_INPUT 0
#define MCU_iMX6_GPIO_DIR_OUTPUT 1
#define MCU_AM3874_GPIO_GRP_CNT 4
#define MCU_AM3874_GPIO0_PHYS 0x48032000
#define MCU_AM3874_GPIO1_PHYS 0x4804C000
#define MCU_AM3874_GPIO2_PHYS 0x481AC000
#define MCU_AM3874_GPIO3_PHYS 0x481AE000
#define MCU_AM3874_MMAP_GPIO_SIZE 0x1000
#define MCU_AM3874_GPIO_SYSCONF 0x010
#define MCU_AM3874_GPIO_CON 0x130
#define MCU_AM3874_GPIO_OE 0x134
#define MCU_AM3874_GPIO_DATAIN 0x138
#define MCU_AM3874_GPIO_DATAOUT 0x13C
#define AM3874_GPIO_SYSCONF(base) *(volatile unsigned long *)( (int)(base) + MCU_AM3874_GPIO_SYSCONF )
#define AM3874_GPIO_CTRL(base) *(volatile unsigned long *)( (int)(base) + MCU_AM3874_GPIO_CON )
#define AM3874_GPIO_OE(base) *(volatile unsigned long *)( (int)(base) + MCU_AM3874_GPIO_OE )
#define AM3874_GPIO_DATAIN(base) *(volatile unsigned long *)( (int)(base) + MCU_AM3874_GPIO_DATAIN )
#define AM3874_GPIO_DATAOUT(base) *(volatile unsigned long *)( (int)(base) + MCU_AM3874_GPIO_DATAOUT )
#define MCU_AM3874_PIN_MUX_PHYS 0x48140800
#define MCU_AM3874_PIN_MUX_SIZE 0x8000
#define MCU_AM3874_PIN_MUX_GPIO (0x80)
#define MCU_AM3874_PIN_MUX_IDIS (0 << 18)
#define MCU_AM3874_PIN_MUX_IEN (1 << 18)
#define MCU_AM3874_PIN_MUX_IPD (0 << 16)
#define MCU_AM3874_PIN_MUX_IPU (2 << 16)
#define MCU_AM3874_PIN_MUX_IPDIS (1 << 16)
#define AM3874_PIN_CTRL(base,pin) *(volatile unsigned long *)( (int)(base) + (pin-1)*4 )
#define MCU_S5PV210_MMAP_GPIO_PHYS 0xe0200000
#define MCU_S5PV210_MMAP_GPIO_SIZE 0x1000
#define MCU_S3C6410_MMAP_GPIO_PHYS 0x7f008000
#define MCU_S3C6410_MMAP_GPIO_SIZE 0x1000
#define MCU_S3C2440_MMAP_GPIO_PHYS 0x56000000
#define MCU_S3C2440_MMAP_GPIO_SIZE 0x100
#define MCU_PXA270_MMAP_GPIO_PHYS 0x40E00000
#define MCU_PXA270_MMAP_GPIO_SIZE 0x200
#define MCU_PXA255_MMAP_GPIO_PHYS 0x40E00000
#define MCU_PXA255_MMAP_GPIO_SIZE 0x200
#define MCU_IXP4XX_MMAP_GPIO_PHYS 0xC8004000
#define MCU_IXP4XX_MMAP_GPIO_SIZE 0x10
/// PXA 관련 레지스터
#define PXA_GPIO_bit(x) (1 << ((x) & 0x1f))
#define PXA_REG_OFFSET(x) ( ((x) < 96) ? ((x)/32)*4 : 0x100 )
#define PXA_GPIO_INOUT(nr) *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GAFR0_L + PXA_REG_OFFSET(nr*2) ) &= ~(3<<(((nr)&0xf)*2))
#define PXA_DIR_OUT(nr) *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GPDR0 + PXA_REG_OFFSET(nr) ) |= PXA_GPIO_bit(nr)
#define PXA_DIR_IN(nr) *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GPDR0 + PXA_REG_OFFSET(nr) ) &= ~PXA_GPIO_bit(nr)
#define PXA_OUT_CLR(nr) *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GPCR0 + PXA_REG_OFFSET(nr) ) = PXA_GPIO_bit(nr)
#define PXA_OUT_SET(nr) *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GPSR0 + PXA_REG_OFFSET(nr) ) = PXA_GPIO_bit(nr)
#define PXA_IN_DAT(nr) ( *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + GPLR0 + PXA_REG_OFFSET(nr) ) & PXA_GPIO_bit(nr) )
#define GPLR0 0x000 // GPIO Pin-Level Register GPIO<31:0>
#define GPLR1 0x004 // GPIO Pin-Level Register GPIO<63:32>
#define GPLR2 0x008 // GPIO Pin-Level Register GPIO<80:64>
//
#define GPDR0 0x00C // GPIO Pin Direction Register GPIO<31:0>
#define GPDR1 0x010 // GPIO Pin Direction Register GPIO<63:32>
#define GPDR2 0x014 // GPIO Pin Direction Register GPIO<80:64>
//
#define GPSR0 0x018 // GPIO Pin Output Set Register GPIO<31:0>
#define GPSR1 0x01C // GPIO Pin Output Set Register GPIO<63:32>
#define GPSR2 0x020 // GPIO Pin Output Set Register GPIO<80:64>
//
#define GPCR0 0x024 // GPIO Pin Output Clear Register GPIO<31:0>
#define GPCR1 0x028 // GPIO Pin Output Clear Register GPIO <63:32>
#define GPCR2 0x02C // GPIO Pin Output Clear Register GPIO <80:64>
//
#define GRER0 0x030 // GPIO Rising-Edge Detect Register GPIO<31:0>
#define GRER1 0x034 // GPIO Rising-Edge Detect Register GPIO<63:32>
#define GRER2 0x038 // GPIO Rising-Edge Detect Register GPIO<80:64>
//
#define GFER0 0x03C // GPIO Falling-Edge Detect Register GPIO<31:0>
#define GFER1 0x040 // GPIO Falling-Edge Detect Register GPIO<63:32>
#define GFER2 0x044 // GPIO Falling-Edge Detect Register GPIO<80:64>
//
#define GEDR0 0x048 // GPIO Edge Detect Status Register GPIO<31:0>
#define GEDR1 0x04C // GPIO Edge Detect Status Register GPIO<63:32>
#define GEDR2 0x050 // GPIO Edge Detect Status Register GPIO<80:64>
//
#define GAFR0_L 0x054 // GPIO Alternate Function Select Register GPIO<15:0>
#define GAFR0_U 0x058 // GPIO Alternate Function Select Register GPIO<31:16>
#define GAFR1_L 0x05C // GPIO Alternate Function Select Register GPIO<47:32>
#define GAFR1_U 0x060 // GPIO Alternate Function Select Register GPIO<63:48>
#define GAFR2_L 0x064 // GPIO Alternate Function Select Register GPIO<79:64>
#define GAFR2_U 0x068 // GPIO Alternate Function Select Register GPIO<95-80>
#define GAFR3_L 0x06C // GPIO Alternate Function Select Register GPIO<111:96>
#define GAFR3_U 0x070 // GPIO Alternate Function Select Register GPIO<127:112>
//
#define GPLR3 0x100 // GPIO Pin-Level Register GPIO<127:96>
#define GPDR3 0x10C // GPIO Pin Direction Register GPIO<127:96>
#define GPSR3 0x118 // GPIO Pin Output Set Register GPIO<127:96>
#define GPCR3 0x124 // GPIO Pin Output Clear Register GPIO<127:96>
#define GRER3 0x130 // GPIO Rising-Edge Detect Register GPIO<127:96>
#define GFER3 0x13C // GPIO Falling-Edge Detect Register GPIO<127:96>
#define GEDR3 0x148 // GPIO Edge Detect Status Register GPIO<127:96>
/// IXP 관련 레지스터
#define IXP4XX_GPIO_GPOUTR *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + IXP4XX_GPIO_GPOUTR_OFFSET )
#define IXP4XX_GPIO_GPOER *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + IXP4XX_GPIO_GPOER_OFFSET )
#define IXP4XX_GPIO_GPINR *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + IXP4XX_GPIO_GPINR_OFFSET )
#define IXP4XX_GPIO_GPISR *(volatile unsigned long *)( (int)(mcu_gpio.mmap_base) + IXP4XX_GPIO_GPISR_OFFSET )
#define IXP4XX_GPIO_GPOUTR_OFFSET 0x00
#define IXP4XX_GPIO_GPOER_OFFSET 0x04
#define IXP4XX_GPIO_GPINR_OFFSET 0x08
#define IXP4XX_GPIO_GPISR_OFFSET 0x0C
//======================================================================================================================
/// tgpio_dir_input() 함수 사용시 pull_up 옵션
typedef enum {
GPIO_PULL_NONE = 0,
GPIO_PULL_UP,
GPIO_PULL_DN
} gpio_pulled_t;
/// GPIO 그룹이 GRP0, GRP1 등으로 나뉠때 번호로써 구분한다.
#define GP_NR_GRP 1000
#include <famap.h>
/// gpio 관련 내부관리 구조체
typedef struct {
int mcu_nr;
char grp_begin;
char grp_end;
unsigned long phys_base;
unsigned long phys_size;
mmap_alloc_t map_info; // 0.7.0 부터 추가
unsigned long mmap_base;
void (*close )( void );
void (*dir_input )( char grp, int gp_nr, gpio_pulled_t pull_up );
void (*dir_output)( char grp, int gp_nr, int gp_val );
int (*input )( char grp, int gp_nr );
void (*output )( char grp, int gp_nr, int gp_val );
unsigned long (*get_input_port )( char grp, int gp_nr );
unsigned long (*get_output_port )( char grp, int gp_nr );
void *private;
} mcu_gpio_fops_t;
/// gpio 관련 iMX 레지스터 구조체
typedef struct
{
unsigned long phys;
mmap_alloc_t map_gpio;
unsigned long mmap_base;
} imx6_gpio_register_t;
/// gpio 관련 AM3xxx 레지스터 구조체
typedef struct {
unsigned long phys;
mmap_alloc_t map_gpio;
unsigned long mmap_base;
unsigned short pin_ctrl[32]; // 1 ~ n
} am3x_gpio_register_t;
/// gpio 관련 s3c 레지스터 구조체
typedef struct {
int gpcnt;
int con_mask_bitcnt;
unsigned long ofs_con;
unsigned long ofs_dat;
unsigned long ofs_pup;
} s3c_gpio_register_t;
/// gpio 관련 pxa 정보 구조체
typedef struct {
int gpcnt;
} pxa_gpio_info_t;
/// gpio 번호 구조체
typedef struct {
char grp;
unsigned short nr;
} gpio_number_t;
#endif //
#ifdef __cplusplus
extern "C" {
#endif
/// @{
/// @brief tgpio.h 에서 제공하는 함수 리스트
extern int tgpio_open ( int mcu ); /// mcu 를 선택한 후 mmap 메모리를 맵핑한다.
extern void tgpio_close ( void ); /// gpio 맵핑을 해제한다.
extern void tgpio_dir_input ( char grp, int gp_nr, gpio_pulled_t pull_up ); /// gpio 를 입력으로 설정한다.
extern void tgpio_dir_output( char grp, int gp_nr, int gp_val ); /// gpio 를 출력으로 설정한다.
extern int tgpio_input ( char grp, int gp_nr ); /// gpio 의 입력값을 읽는다.
extern void tgpio_output ( char grp, int gp_nr, int gp_val ); /// gpio 에 값을 쓴다
extern unsigned long tgpio_get_input_port ( char grp, int gp_nr ); /// gpio 의 입력 포트 포인터를 얻는다.
extern unsigned long tgpio_get_output_port( char grp, int gp_nr ); /// gpio 의 출력 포트 포인터를 얻는다.
/// @}
#ifdef __cplusplus
}
#endif
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