960681450f
This patch contains the following cleanups: - make the following needlessly global code static: - char/uctrl.c: uctrl_get_event_status() - char/uctrl.c: uctrl_get_external_status() - char/vfc_dev.c: struct vfc_dev_lst - char/vfc_dev.c: vfc_lock_device() - char/vfc_dev.c: vfc_unlock_device() - char/vfc_dev.c: vfc_captstat_reset() - char/vfc_dev.c: vfc_memptr_reset() - char/vfc_dev.c: vfc_csr_init() - char/vfc_dev.c: vfc_saa9051_init() - char/vfc_dev.c: init_vfc_hw() - char/vfc_dev.c: init_vfc_devstruct() - char/vfc_dev.c: init_vfc_device() - char/vfc_dev.c: vfc_get_dev_ptr() - char/vfc_dev.c: vfc_capture_start() - char/vfc_dev.c: vfc_capture_poll() - char/vfc_dev.c: vfc_port_change_ioctl() - char/vfc_dev.c: vfc_set_video_ioctl() - char/vfc_dev.c: vfc_get_video_ioctl() - char/vfc_i2c.c: vfc_i2c_wait_for_bus() - char/vfc_i2c.c: vfc_i2c_wait_for_pin() - char/vfc_i2c.c: vfc_i2c_xmit_addr() - char/vfc_i2c.c: vfc_i2c_xmit_byte() - char/vfc_i2c.c: vfc_i2c_recv_byte() - dvma.c: init_one_dvma() - remove an unused variable from a function: - char/uctrl.c: ts102_uctrl_init() - remove the following unused and empty function: - char/uctrl.c: uctrl_set_video() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
171 lines
4.8 KiB
C
171 lines
4.8 KiB
C
#ifndef _LINUX_VFC_H_
|
|
#define _LINUX_VFC_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 mutex device_lock_mtx;
|
|
int instance;
|
|
int busy;
|
|
unsigned long which_io;
|
|
unsigned char saa9051_state_array[VFC_SAA9051_NR];
|
|
};
|
|
|
|
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 *);
|
|
|
|
#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_ */
|
|
|
|
|
|
|
|
|
|
|