1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#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_ */
|
