tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * tm6000.h - driver for TM5600/TM6000/TM6010 USB video capture devices
3 *
4 * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org>
5 *
6 * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com>
7 * - DVB-T support
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation version 2
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23/* Use the tm6000-hack, instead of the proper initialization code i*/
24/* #define HACK 1 */
25
26#include <linux/videodev2.h>
27#include <media/v4l2-common.h>
28#include <media/videobuf-vmalloc.h>
29#include "tm6000-usb-isoc.h"
30#include <linux/i2c.h>
31#include <linux/mutex.h>
32#include <media/v4l2-device.h>
33#include <linux/version.h>
34#include <linux/dvb/frontend.h>
35#include "dvb_demux.h"
36#include "dvb_frontend.h"
37#include "dmxdev.h"
38
39#define TM6000_VERSION KERNEL_VERSION(0, 0, 2)
40
41/* Inputs */
42enum tm6000_itype {
43 TM6000_INPUT_TV = 1,
44 TM6000_INPUT_COMPOSITE1,
45 TM6000_INPUT_COMPOSITE2,
46 TM6000_INPUT_SVIDEO,
47 TM6000_INPUT_DVB,
48 TM6000_INPUT_RADIO,
49};
50
51enum tm6000_mux {
52 TM6000_VMUX_VIDEO_A = 1,
53 TM6000_VMUX_VIDEO_B,
54 TM6000_VMUX_VIDEO_AB,
55 TM6000_AMUX_ADC1,
56 TM6000_AMUX_ADC2,
57 TM6000_AMUX_SIF1,
58 TM6000_AMUX_SIF2,
59 TM6000_AMUX_I2S,
60};
61
62enum tm6000_devtype {
63 TM6000 = 0,
64 TM5600,
65 TM6010,
66};
67
68struct tm6000_input {
69 enum tm6000_itype type;
70 enum tm6000_mux vmux;
71 enum tm6000_mux amux;
72 unsigned int v_gpio;
73 unsigned int a_gpio;
74};
75
76/* ------------------------------------------------------------------
77 * Basic structures
78 * ------------------------------------------------------------------
79 */
80
81struct tm6000_fmt {
82 char *name;
83 u32 fourcc; /* v4l2 format id */
84 int depth;
85};
86
87/* buffer for one video frame */
88struct tm6000_buffer {
89 /* common v4l buffer stuff -- must be first */
90 struct videobuf_buffer vb;
91
92 struct tm6000_fmt *fmt;
93};
94
95struct tm6000_dmaqueue {
96 struct list_head active;
97 struct list_head queued;
98
99 /* thread for generating video stream*/
100 struct task_struct *kthread;
101 wait_queue_head_t wq;
102 /* Counters to control fps rate */
103 int frame;
104 int ini_jiffies;
105};
106
107/* device states */
108enum tm6000_core_state {
109 DEV_INITIALIZED = 0x01,
110 DEV_DISCONNECTED = 0x02,
111 DEV_MISCONFIGURED = 0x04,
112};
113
114/* io methods */
115enum tm6000_io_method {
116 IO_NONE,
117 IO_READ,
118 IO_MMAP,
119};
120
121enum tm6000_mode {
122 TM6000_MODE_UNKNOWN = 0,
123 TM6000_MODE_ANALOG,
124 TM6000_MODE_DIGITAL,
125};
126
127struct tm6000_gpio {
128 int tuner_reset;
129 int tuner_on;
130 int demod_reset;
131 int demod_on;
132 int power_led;
133 int dvb_led;
134 int ir;
135};
136
137struct tm6000_capabilities {
138 unsigned int has_tuner:1;
139 unsigned int has_tda9874:1;
140 unsigned int has_dvb:1;
141 unsigned int has_zl10353:1;
142 unsigned int has_eeprom:1;
143 unsigned int has_remote:1;
144 unsigned int has_radio:1;
145};
146
147struct tm6000_dvb {
148 struct dvb_adapter adapter;
149 struct dvb_demux demux;
150 struct dvb_frontend *frontend;
151 struct dmxdev dmxdev;
152 unsigned int streams;
153 struct urb *bulk_urb;
154 struct mutex mutex;
155};
156
157struct snd_tm6000_card {
158 struct snd_card *card;
159 spinlock_t reg_lock;
160 struct tm6000_core *core;
161 struct snd_pcm_substream *substream;
162
163 /* temporary data for buffer fill processing */
164 unsigned buf_pos;
165 unsigned period_pos;
166};
167
168struct tm6000_endpoint {
169 struct usb_host_endpoint *endp;
170 __u8 bInterfaceNumber;
171 __u8 bAlternateSetting;
172 unsigned maxsize;
173};
174
175struct tm6000_core {
176 /* generic device properties */
177 char name[30]; /* name (including minor) of the device */
178 int model; /* index in the device_data struct */
179 int devno; /* marks the number of this device */
180 enum tm6000_devtype dev_type; /* type of device */
181 unsigned char eedata[256]; /* Eeprom data */
182 unsigned eedata_size; /* Size of the eeprom info */
183
184 v4l2_std_id norm; /* Current norm */
185 int width, height; /* Selected resolution */
186
187 enum tm6000_core_state state;
188
189 /* Device Capabilities*/
190 struct tm6000_capabilities caps;
191
192 /* Tuner configuration */
193 int tuner_type; /* type of the tuner */
194 int tuner_addr; /* tuner address */
195
196 struct tm6000_gpio gpio;
197
198 char *ir_codes;
199
200 __u8 radio;
201
202 /* Demodulator configuration */
203 int demod_addr; /* demodulator address */
204
205 int audio_bitrate;
206 /* i2c i/o */
207 struct i2c_adapter i2c_adap;
208 struct i2c_client i2c_client;
209
210
211 /* extension */
212 struct list_head devlist;
213
214 /* video for linux */
215 int users;
216
217 /* various device info */
218 struct tm6000_fh *resources; /* Points to fh that is streaming */
219 bool is_res_read;
220
221 struct video_device *vfd;
222 struct video_device *radio_dev;
223 struct tm6000_dmaqueue vidq;
224 struct v4l2_device v4l2_dev;
225
226 int input;
227 struct tm6000_input vinput[3]; /* video input */
228 struct tm6000_input rinput; /* radio input */
229
230 int freq;
231 unsigned int fourcc;
232
233 enum tm6000_mode mode;
234
235 int ctl_mute; /* audio */
236 int ctl_volume;
237 int amode;
238
239 /* DVB-T support */
240 struct tm6000_dvb *dvb;
241
242 /* audio support */
243 struct snd_tm6000_card *adev;
244 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
245 atomic_t stream_started; /* stream should be running if true */
246
247 struct tm6000_IR *ir;
248
249 /* locks */
250 struct mutex lock;
251
252 /* usb transfer */
253 struct usb_device *udev; /* the usb device */
254
255 struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
256 struct tm6000_endpoint int_in, int_out;
257
258 /* scaler!=0 if scaler is active*/
259 int scaler;
260
261 /* Isoc control struct */
262 struct usb_isoc_ctl isoc_ctl;
263
264 spinlock_t slock;
265};
266
267enum tm6000_ops_type {
268 TM6000_AUDIO = 0x10,
269 TM6000_DVB = 0x20,
270};
271
272struct tm6000_ops {
273 struct list_head next;
274 char *name;
275 enum tm6000_ops_type type;
276 int (*init)(struct tm6000_core *);
277 int (*fini)(struct tm6000_core *);
278 int (*fillbuf)(struct tm6000_core *, char *buf, int size);
279};
280
281struct tm6000_fh {
282 struct tm6000_core *dev;
283 unsigned int radio;
284
285 /* video capture */
286 struct tm6000_fmt *fmt;
287 unsigned int width, height;
288 struct videobuf_queue vb_vidq;
289
290 enum v4l2_buf_type type;
291};
292
293#define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \
294 V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
295 V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM)
296
297/* In tm6000-cards.c */
298
299int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
300int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
301int tm6000_cards_setup(struct tm6000_core *dev);
302void tm6000_flash_led(struct tm6000_core *dev, u8 state);
303
304/* In tm6000-core.c */
305
306int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
307 u16 value, u16 index, u8 *buf, u16 len);
308int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
309int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
310int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
311int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
312int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
313 u16 index, u16 mask);
314int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
315int tm6000_init(struct tm6000_core *dev);
316
317int tm6000_init_analog_mode(struct tm6000_core *dev);
318int tm6000_init_digital_mode(struct tm6000_core *dev);
319int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
320int tm6000_set_audio_rinput(struct tm6000_core *dev);
321int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
322void tm6000_set_volume(struct tm6000_core *dev, int vol);
323
324int tm6000_v4l2_register(struct tm6000_core *dev);
325int tm6000_v4l2_unregister(struct tm6000_core *dev);
326int tm6000_v4l2_exit(void);
327void tm6000_set_fourcc_format(struct tm6000_core *dev);
328
329void tm6000_remove_from_devlist(struct tm6000_core *dev);
330void tm6000_add_into_devlist(struct tm6000_core *dev);
331int tm6000_register_extension(struct tm6000_ops *ops);
332void tm6000_unregister_extension(struct tm6000_ops *ops);
333void tm6000_init_extension(struct tm6000_core *dev);
334void tm6000_close_extension(struct tm6000_core *dev);
335int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
336 char *buf, int size);
337
338
339/* In tm6000-stds.c */
340void tm6000_get_std_res(struct tm6000_core *dev);
341int tm6000_set_standard(struct tm6000_core *dev);
342
343/* In tm6000-i2c.c */
344int tm6000_i2c_register(struct tm6000_core *dev);
345int tm6000_i2c_unregister(struct tm6000_core *dev);
346
347/* In tm6000-queue.c */
348
349int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
350
351int tm6000_vidioc_streamon(struct file *file, void *priv,
352 enum v4l2_buf_type i);
353int tm6000_vidioc_streamoff(struct file *file, void *priv,
354 enum v4l2_buf_type i);
355int tm6000_vidioc_reqbufs(struct file *file, void *priv,
356 struct v4l2_requestbuffers *rb);
357int tm6000_vidioc_querybuf(struct file *file, void *priv,
358 struct v4l2_buffer *b);
359int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
360int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
361ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
362 loff_t *f_pos);
363unsigned int tm6000_v4l2_poll(struct file *file,
364 struct poll_table_struct *wait);
365int tm6000_queue_init(struct tm6000_core *dev);
366
367/* In tm6000-alsa.c */
368/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
369
370/* In tm6000-input.c */
371int tm6000_ir_init(struct tm6000_core *dev);
372int tm6000_ir_fini(struct tm6000_core *dev);
373void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
374int tm6000_ir_int_start(struct tm6000_core *dev);
375void tm6000_ir_int_stop(struct tm6000_core *dev);
376
377/* Debug stuff */
378
379extern int tm6000_debug;
380
381#define dprintk(dev, level, fmt, arg...) do {\
382 if (tm6000_debug & level) \
383 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
384 dev->name, __FUNCTION__ , ##arg); } while (0)
385
386#define V4L2_DEBUG_REG 0x0004
387#define V4L2_DEBUG_I2C 0x0008
388#define V4L2_DEBUG_QUEUE 0x0010
389#define V4L2_DEBUG_ISOC 0x0020
390#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
391#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
392
393#define tm6000_err(fmt, arg...) do {\
394 printk(KERN_ERR "tm6000 %s :"fmt, \
395 __FUNCTION__ , ##arg); } while (0)