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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/*
* Driver for the Auvitek AU0828 USB bridge
*
* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <media/tveeprom.h>
/* Analog */
#include <linux/videodev2.h>
#include <media/videobuf-vmalloc.h>
#include <media/v4l2-device.h>
/* DVB */
#include "demux.h"
#include "dmxdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"
#include "dvbdev.h"
#include "au0828-reg.h"
#include "au0828-cards.h"
#define DRIVER_NAME "au0828"
#define URB_COUNT 16
#define URB_BUFSIZE (0xe522)
/* Analog constants */
#define NTSC_STD_W 720
#define NTSC_STD_H 480
#define AU0828_INTERLACED_DEFAULT 1
#define V4L2_CID_PRIVATE_SHARPNESS (V4L2_CID_PRIVATE_BASE + 0)
/* Defination for AU0828 USB transfer */
#define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
#define AU0828_ISO_PACKETS_PER_URB 128
#define AU0828_MIN_BUF 4
#define AU0828_DEF_BUF 8
#define AU0828_MAX_INPUT 4
/* au0828 resource types (used for res_get/res_lock etc */
#define AU0828_RESOURCE_VIDEO 0x01
#define AU0828_RESOURCE_VBI 0x02
enum au0828_itype {
AU0828_VMUX_UNDEFINED = 0,
AU0828_VMUX_COMPOSITE,
AU0828_VMUX_SVIDEO,
AU0828_VMUX_CABLE,
AU0828_VMUX_TELEVISION,
AU0828_VMUX_DVB,
AU0828_VMUX_DEBUG
};
struct au0828_input {
enum au0828_itype type;
unsigned int vmux;
unsigned int amux;
void (*audio_setup) (void *priv, int enable);
};
struct au0828_board {
char *name;
unsigned int tuner_type;
unsigned char tuner_addr;
unsigned char i2c_clk_divider;
struct au0828_input input[AU0828_MAX_INPUT];
};
struct au0828_dvb {
struct mutex lock;
struct dvb_adapter adapter;
struct dvb_frontend *frontend;
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net net;
int feeding;
};
enum au0828_stream_state {
STREAM_OFF,
STREAM_INTERRUPT,
STREAM_ON
};
#define AUVI_INPUT(nr) (dev->board.input[nr])
/* device state */
enum au0828_dev_state {
DEV_INITIALIZED = 0x01,
DEV_DISCONNECTED = 0x02,
DEV_MISCONFIGURED = 0x04
};
struct au0828_fh {
struct au0828_dev *dev;
unsigned int resources;
struct videobuf_queue vb_vidq;
struct videobuf_queue vb_vbiq;
enum v4l2_buf_type type;
};
struct au0828_usb_isoc_ctl {
/* max packet size of isoc transaction */
int max_pkt_size;
/* number of allocated urbs */
int num_bufs;
/* urb for isoc transfers */
struct urb **urb;
/* transfer buffers for isoc transfer */
char **transfer_buffer;
/* Last buffer command and region */
u8 cmd;
int pos, size, pktsize;
/* Last field: ODD or EVEN? */
int field;
/* Stores incomplete commands */
u32 tmp_buf;
int tmp_buf_len;
/* Stores already requested buffers */
struct au0828_buffer *buf;
struct au0828_buffer *vbi_buf;
/* Stores the number of received fields */
int nfields;
/* isoc urb callback */
int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb);
};
/* buffer for one video frame */
struct au0828_buffer {
/* common v4l buffer stuff -- must be first */
struct videobuf_buffer vb;
struct list_head frame;
int top_field;
int receiving;
};
struct au0828_dmaqueue {
struct list_head active;
struct list_head queued;
wait_queue_head_t wq;
/* Counters to control buffer fill */
int pos;
};
struct au0828_dev {
struct mutex mutex;
struct usb_device *usbdev;
int boardnr;
struct au0828_board board;
u8 ctrlmsg[64];
/* I2C */
struct i2c_adapter i2c_adap;
struct i2c_algorithm i2c_algo;
struct i2c_client i2c_client;
u32 i2c_rc;
/* Digital */
struct au0828_dvb dvb;
struct work_struct restart_streaming;
#ifdef CONFIG_VIDEO_AU0828_V4L2
/* Analog */
struct v4l2_device v4l2_dev;
#endif
int users;
unsigned int resources; /* resources in use */
struct video_device *vdev;
struct video_device *vbi_dev;
struct timer_list vid_timeout;
int vid_timeout_running;
struct timer_list vbi_timeout;
int vbi_timeout_running;
int width;
int height;
int vbi_width;
int vbi_height;
u32 vbi_read;
u32 field_size;
u32 frame_size;
u32 bytesperline;
int type;
u8 ctrl_ainput;
__u8 isoc_in_endpointaddr;
u8 isoc_init_ok;
int greenscreen_detected;
unsigned int frame_count;
int ctrl_freq;
int input_type;
int std_set_in_tuner_core;
unsigned int ctrl_input;
enum au0828_dev_state dev_state;
enum au0828_stream_state stream_state;
wait_queue_head_t open;
struct mutex lock;
/* Isoc control struct */
struct au0828_dmaqueue vidq;
struct au0828_dmaqueue vbiq;
struct au0828_usb_isoc_ctl isoc_ctl;
spinlock_t slock;
/* usb transfer */
int alt; /* alternate */
int max_pkt_size; /* max packet size of isoc transaction */
int num_alt; /* Number of alternative settings */
unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
struct urb *urb[AU0828_MAX_ISO_BUFS]; /* urb for isoc transfers */
char *transfer_buffer[AU0828_MAX_ISO_BUFS];/* transfer buffers for isoc
transfer */
/* USB / URB Related */
int urb_streaming;
struct urb *urbs[URB_COUNT];
};
/* ----------------------------------------------------------- */
#define au0828_read(dev, reg) au0828_readreg(dev, reg)
#define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
#define au0828_andor(dev, reg, mask, value) \
au0828_writereg(dev, reg, \
(au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
#define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
#define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
/* ----------------------------------------------------------- */
/* au0828-core.c */
extern u32 au0828_read(struct au0828_dev *dev, u16 reg);
extern u32 au0828_write(struct au0828_dev *dev, u16 reg, u32 val);
extern int au0828_debug;
/* ----------------------------------------------------------- */
/* au0828-cards.c */
extern struct au0828_board au0828_boards[];
extern struct usb_device_id au0828_usb_id_table[];
extern void au0828_gpio_setup(struct au0828_dev *dev);
extern int au0828_tuner_callback(void *priv, int component,
int command, int arg);
extern void au0828_card_setup(struct au0828_dev *dev);
/* ----------------------------------------------------------- */
/* au0828-i2c.c */
extern int au0828_i2c_register(struct au0828_dev *dev);
extern int au0828_i2c_unregister(struct au0828_dev *dev);
/* ----------------------------------------------------------- */
/* au0828-video.c */
int au0828_analog_register(struct au0828_dev *dev,
struct usb_interface *interface);
int au0828_analog_stream_disable(struct au0828_dev *d);
void au0828_analog_unregister(struct au0828_dev *dev);
/* ----------------------------------------------------------- */
/* au0828-dvb.c */
extern int au0828_dvb_register(struct au0828_dev *dev);
extern void au0828_dvb_unregister(struct au0828_dev *dev);
/* au0828-vbi.c */
extern struct videobuf_queue_ops au0828_vbi_qops;
#define dprintk(level, fmt, arg...)\
do { if (au0828_debug & level)\
printk(KERN_DEBUG DRIVER_NAME "/0: " fmt, ## arg);\
} while (0)
|
