arch/arm/mach-omap1/board-sx1.h

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap1/board-sx1.h

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap1/board-sx1.h
Extension
.h
Size
1121 bytes
Lines
46
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ASM_ARCH_SX1_I2C_CHIPS_H
#define __ASM_ARCH_SX1_I2C_CHIPS_H

#define SOFIA_MAX_LIGHT_VAL	0x2B

#define SOFIA_I2C_ADDR		0x32
/* Sofia reg 3 bits masks */
#define SOFIA_POWER1_REG	0x03

#define	SOFIA_USB_POWER		0x01
#define	SOFIA_MMC_POWER		0x04
#define	SOFIA_BLUETOOTH_POWER	0x08
#define	SOFIA_MMILIGHT_POWER	0x20

#define SOFIA_POWER2_REG	0x04
#define SOFIA_BACKLIGHT_REG	0x06
#define SOFIA_KEYLIGHT_REG	0x07
#define SOFIA_DIMMING_REG	0x09


/* Function Prototypes for SX1 devices control on I2C bus */

int sx1_setbacklight(u8 backlight);
int sx1_getbacklight(u8 *backlight);
int sx1_setkeylight(u8 keylight);
int sx1_getkeylight(u8 *keylight);

int sx1_setmmipower(u8 onoff);
int sx1_setusbpower(u8 onoff);
int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value);
int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value);

/* MMC prototypes */

extern void sx1_mmc_init(void);
extern void sx1_mmc_slot_cover_handler(void *arg, int state);

#endif /* __ASM_ARCH_SX1_I2C_CHIPS_H */

Annotation

Implementation Notes