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ff23eca3e8
Also fixes up all files that #include it. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
176 lines
4.9 KiB
C
176 lines
4.9 KiB
C
#ifndef _LINUX_VFC_H_
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#define _LINUX_VFC_H_
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/*
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* The control register for the vfc is at offset 0x4000
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* The first field ram bank is located at offset 0x5000
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* The second field ram bank is at offset 0x7000
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* i2c_reg address the Phillips PCF8584(see notes in vfc_i2c.c)
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* data and transmit register.
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* i2c_s1 controls register s1 of the PCF8584
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* i2c_write seems to be similar to i2c_write but I am not
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* quite sure why sun uses it
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*
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* I am also not sure whether or not you can read the fram bank as a
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* whole or whether you must read each word individually from offset
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* 0x5000 as soon as I figure it out I will update this file */
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struct vfc_regs {
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char pad1[0x4000];
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unsigned int control; /* Offset 0x4000 */
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char pad2[0xffb]; /* from offset 0x4004 to 0x5000 */
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unsigned int fram_bank1; /* Offset 0x5000 */
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char pad3[0xffb]; /* from offset 0x5004 to 0x6000 */
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unsigned int i2c_reg; /* Offset 0x6000 */
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unsigned int i2c_magic2; /* Offset 0x6004 */
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unsigned int i2c_s1; /* Offset 0x6008 */
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unsigned int i2c_write; /* Offset 0x600c */
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char pad4[0xff0]; /* from offset 0x6010 to 0x7000 */
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unsigned int fram_bank2; /* Offset 0x7000 */
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char pad5[0x1000];
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};
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#define VFC_SAA9051_NR (13)
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#define VFC_SAA9051_ADDR (0x8a)
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/* The saa9051 returns the following for its status
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* bit 0 - 0
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* bit 1 - SECAM color detected (1=found,0=not found)
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* bit 2 - COLOR detected (1=found,0=not found)
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* bit 3 - 0
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* bit 4 - Field frequency bit (1=60Hz (NTSC), 0=50Hz (PAL))
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* bit 5 - 1
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* bit 6 - horizontal frequency lock (1=transmitter found,
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* 0=no transmitter)
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* bit 7 - Power on reset bit (1=reset,0=at least one successful
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* read of the status byte)
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*/
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#define VFC_SAA9051_PONRES (0x80)
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#define VFC_SAA9051_HLOCK (0x40)
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#define VFC_SAA9051_FD (0x10)
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#define VFC_SAA9051_CD (0x04)
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#define VFC_SAA9051_CS (0x02)
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/* The various saa9051 sub addresses */
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#define VFC_SAA9051_IDEL (0)
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#define VFC_SAA9051_HSY_START (1)
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#define VFC_SAA9051_HSY_STOP (2)
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#define VFC_SAA9051_HC_START (3)
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#define VFC_SAA9051_HC_STOP (4)
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#define VFC_SAA9051_HS_START (5)
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#define VFC_SAA9051_HORIZ_PEAK (6)
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#define VFC_SAA9051_HUE (7)
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#define VFC_SAA9051_C1 (8)
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#define VFC_SAA9051_C2 (9)
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#define VFC_SAA9051_C3 (0xa)
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#define VFC_SAA9051_SECAM_DELAY (0xb)
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/* Bit settings for saa9051 sub address 0x06 */
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#define VFC_SAA9051_AP1 (0x01)
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#define VFC_SAA9051_AP2 (0x02)
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#define VFC_SAA9051_COR1 (0x04)
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#define VFC_SAA9051_COR2 (0x08)
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#define VFC_SAA9051_BP1 (0x10)
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#define VFC_SAA9051_BP2 (0x20)
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#define VFC_SAA9051_PF (0x40)
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#define VFC_SAA9051_BY (0x80)
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/* Bit settings for saa9051 sub address 0x08 */
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#define VFC_SAA9051_CCFR0 (0x01)
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#define VFC_SAA9051_CCFR1 (0x02)
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#define VFC_SAA9051_YPN (0x04)
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#define VFC_SAA9051_ALT (0x08)
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#define VFC_SAA9051_CO (0x10)
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#define VFC_SAA9051_VTR (0x20)
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#define VFC_SAA9051_FS (0x40)
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#define VFC_SAA9051_HPLL (0x80)
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/* Bit settings for saa9051 sub address 9 */
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#define VFC_SAA9051_SS0 (0x01)
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#define VFC_SAA9051_SS1 (0x02)
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#define VFC_SAA9051_AFCC (0x04)
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#define VFC_SAA9051_CI (0x08)
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#define VFC_SAA9051_SA9D4 (0x10) /* Don't care bit */
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#define VFC_SAA9051_OEC (0x20)
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#define VFC_SAA9051_OEY (0x40)
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#define VFC_SAA9051_VNL (0x80)
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/* Bit settings for saa9051 sub address 0x0A */
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#define VFC_SAA9051_YDL0 (0x01)
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#define VFC_SAA9051_YDL1 (0x02)
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#define VFC_SAA9051_YDL2 (0x04)
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#define VFC_SAA9051_SS2 (0x08)
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#define VFC_SAA9051_SS3 (0x10)
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#define VFC_SAA9051_YC (0x20)
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#define VFC_SAA9051_CT (0x40)
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#define VFC_SAA9051_SYC (0x80)
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#define VFC_SAA9051_SA(a,b) ((a)->saa9051_state_array[(b)+1])
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#define vfc_update_saa9051(a) (vfc_i2c_sendbuf((a),VFC_SAA9051_ADDR,\
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(a)->saa9051_state_array,\
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VFC_SAA9051_NR))
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struct vfc_dev {
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volatile struct vfc_regs __iomem *regs;
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struct vfc_regs *phys_regs;
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unsigned int control_reg;
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struct semaphore device_lock_sem;
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int instance;
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int busy;
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unsigned long which_io;
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unsigned char saa9051_state_array[VFC_SAA9051_NR];
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};
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extern struct vfc_dev **vfc_dev_lst;
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void captstat_reset(struct vfc_dev *);
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void memptr_reset(struct vfc_dev *);
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int vfc_pcf8584_init(struct vfc_dev *);
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void vfc_i2c_delay_no_busy(struct vfc_dev *, unsigned long);
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void vfc_i2c_delay(struct vfc_dev *);
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int vfc_i2c_sendbuf(struct vfc_dev *, unsigned char, char *, int) ;
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int vfc_i2c_recvbuf(struct vfc_dev *, unsigned char, char *, int) ;
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int vfc_i2c_reset_bus(struct vfc_dev *);
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int vfc_init_i2c_bus(struct vfc_dev *);
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void vfc_lock_device(struct vfc_dev *);
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void vfc_unlock_device(struct vfc_dev *);
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#define VFC_CONTROL_DIAGMODE 0x10000000
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#define VFC_CONTROL_MEMPTR 0x20000000
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#define VFC_CONTROL_CAPTURE 0x02000000
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#define VFC_CONTROL_CAPTRESET 0x04000000
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#define VFC_STATUS_CAPTURE 0x08000000
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#ifdef VFC_IOCTL_DEBUG
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#define VFC_IOCTL_DEBUG_PRINTK(a) printk a
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#else
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#define VFC_IOCTL_DEBUG_PRINTK(a)
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#endif
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#ifdef VFC_I2C_DEBUG
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#define VFC_I2C_DEBUG_PRINTK(a) printk a
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#else
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#define VFC_I2C_DEBUG_PRINTK(a)
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#endif
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#endif /* _LINUX_VFC_H_ */
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