#ifndef _LINUX_VFC_H_ #define _LINUX_VFC_H_ #include <linux/devfs_fs_kernel.h> /* * The control register for the vfc is at offset 0x4000 * The first field ram bank is located at offset 0x5000 * The second field ram bank is at offset 0x7000 * i2c_reg address the Phillips PCF8584(see notes in vfc_i2c.c) * data and transmit register. * i2c_s1 controls register s1 of the PCF8584 * i2c_write seems to be similar to i2c_write but I am not * quite sure why sun uses it * * I am also not sure whether or not you can read the fram bank as a * whole or whether you must read each word individually from offset * 0x5000 as soon as I figure it out I will update this file */ struct vfc_regs { char pad1[0x4000]; unsigned int control; /* Offset 0x4000 */ char pad2[0xffb]; /* from offset 0x4004 to 0x5000 */ unsigned int fram_bank1; /* Offset 0x5000 */ char pad3[0xffb]; /* from offset 0x5004 to 0x6000 */ unsigned int i2c_reg; /* Offset 0x6000 */ unsigned int i2c_magic2; /* Offset 0x6004 */ unsigned int i2c_s1; /* Offset 0x6008 */ unsigned int i2c_write; /* Offset 0x600c */ char pad4[0xff0]; /* from offset 0x6010 to 0x7000 */ unsigned int fram_bank2; /* Offset 0x7000 */ char pad5[0x1000]; }; #define VFC_SAA9051_NR (13) #define VFC_SAA9051_ADDR (0x8a) /* The saa9051 returns the following for its status * bit 0 - 0 * bit 1 - SECAM color detected (1=found,0=not found) * bit 2 - COLOR detected (1=found,0=not found) * bit 3 - 0 * bit 4 - Field frequency bit (1=60Hz (NTSC), 0=50Hz (PAL)) * bit 5 - 1 * bit 6 - horizontal frequency lock (1=transmitter found, * 0=no transmitter) * bit 7 - Power on reset bit (1=reset,0=at least one successful * read of the status byte) */ #define VFC_SAA9051_PONRES (0x80) #define VFC_SAA9051_HLOCK (0x40) #define VFC_SAA9051_FD (0x10) #define VFC_SAA9051_CD (0x04) #define VFC_SAA9051_CS (0x02) /* The various saa9051 sub addresses */ #define VFC_SAA9051_IDEL (0) #define VFC_SAA9051_HSY_START (1) #define VFC_SAA9051_HSY_STOP (2) #define VFC_SAA9051_HC_START (3) #define VFC_SAA9051_HC_STOP (4) #define VFC_SAA9051_HS_START (5) #define VFC_SAA9051_HORIZ_PEAK (6) #define VFC_SAA9051_HUE (7) #define VFC_SAA9051_C1 (8) #define VFC_SAA9051_C2 (9) #define VFC_SAA9051_C3 (0xa) #define VFC_SAA9051_SECAM_DELAY (0xb) /* Bit settings for saa9051 sub address 0x06 */ #define VFC_SAA9051_AP1 (0x01) #define VFC_SAA9051_AP2 (0x02) #define VFC_SAA9051_COR1 (0x04) #define VFC_SAA9051_COR2 (0x08) #define VFC_SAA9051_BP1 (0x10) #define VFC_SAA9051_BP2 (0x20) #define VFC_SAA9051_PF (0x40) #define VFC_SAA9051_BY (0x80) /* Bit settings for saa9051 sub address 0x08 */ #define VFC_SAA9051_CCFR0 (0x01) #define VFC_SAA9051_CCFR1 (0x02) #define VFC_SAA9051_YPN (0x04) #define VFC_SAA9051_ALT (0x08) #define VFC_SAA9051_CO (0x10) #define VFC_SAA9051_VTR (0x20) #define VFC_SAA9051_FS (0x40) #define VFC_SAA9051_HPLL (0x80) /* Bit settings for saa9051 sub address 9 */ #define VFC_SAA9051_SS0 (0x01) #define VFC_SAA9051_SS1 (0x02) #define VFC_SAA9051_AFCC (0x04) #define VFC_SAA9051_CI (0x08) #define VFC_SAA9051_SA9D4 (0x10) /* Don't care bit */ #define VFC_SAA9051_OEC (0x20) #define VFC_SAA9051_OEY (0x40) #define VFC_SAA9051_VNL (0x80) /* Bit settings for saa9051 sub address 0x0A */ #define VFC_SAA9051_YDL0 (0x01) #define VFC_SAA9051_YDL1 (0x02) #define VFC_SAA9051_YDL2 (0x04) #define VFC_SAA9051_SS2 (0x08) #define VFC_SAA9051_SS3 (0x10) #define VFC_SAA9051_YC (0x20) #define VFC_SAA9051_CT (0x40) #define VFC_SAA9051_SYC (0x80) #define VFC_SAA9051_SA(a,b) ((a)->saa9051_state_array[(b)+1]) #define vfc_update_saa9051(a) (vfc_i2c_sendbuf((a),VFC_SAA9051_ADDR,\ (a)->saa9051_state_array,\ VFC_SAA9051_NR)) struct vfc_dev { volatile struct vfc_regs __iomem *regs; struct vfc_regs *phys_regs; unsigned int control_reg; struct semaphore device_lock_sem; int instance; int busy; unsigned long which_io; unsigned char saa9051_state_array[VFC_SAA9051_NR]; }; extern struct vfc_dev **vfc_dev_lst; void captstat_reset(struct vfc_dev *); void memptr_reset(struct vfc_dev *); int vfc_pcf8584_init(struct vfc_dev *); void vfc_i2c_delay_no_busy(struct vfc_dev *, unsigned long); void vfc_i2c_delay(struct vfc_dev *); int vfc_i2c_sendbuf(struct vfc_dev *, unsigned char, char *, int) ; int vfc_i2c_recvbuf(struct vfc_dev *, unsigned char, char *, int) ; int vfc_i2c_reset_bus(struct vfc_dev *); int vfc_init_i2c_bus(struct vfc_dev *); void vfc_lock_device(struct vfc_dev *); void vfc_unlock_device(struct vfc_dev *); #define VFC_CONTROL_DIAGMODE 0x10000000 #define VFC_CONTROL_MEMPTR 0x20000000 #define VFC_CONTROL_CAPTURE 0x02000000 #define VFC_CONTROL_CAPTRESET 0x04000000 #define VFC_STATUS_CAPTURE 0x08000000 #ifdef VFC_IOCTL_DEBUG #define VFC_IOCTL_DEBUG_PRINTK(a) printk a #else #define VFC_IOCTL_DEBUG_PRINTK(a) #endif #ifdef VFC_I2C_DEBUG #define VFC_I2C_DEBUG_PRINTK(a) printk a #else #define VFC_I2C_DEBUG_PRINTK(a) #endif #endif /* _LINUX_VFC_H_ */