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
19#include <linux/videodev2.h>
20#include <media/v4l2-common.h>
21#include <media/videobuf-vmalloc.h>
22#include "tm6000-usb-isoc.h"
23#include <linux/i2c.h>
24#include <linux/mutex.h>
25#include <media/v4l2-device.h>
26#include <media/v4l2-ctrls.h>
27#include <media/v4l2-fh.h>
28
29#include <linux/dvb/frontend.h>
30#include "dvb_demux.h"
31#include "dvb_frontend.h"
32#include "dmxdev.h"
33
34/* Inputs */
35enum tm6000_itype {
36 TM6000_INPUT_TV = 1,
37 TM6000_INPUT_COMPOSITE1,
38 TM6000_INPUT_COMPOSITE2,
39 TM6000_INPUT_SVIDEO,
40 TM6000_INPUT_DVB,
41 TM6000_INPUT_RADIO,
42};
43
44enum tm6000_mux {
45 TM6000_VMUX_VIDEO_A = 1,
46 TM6000_VMUX_VIDEO_B,
47 TM6000_VMUX_VIDEO_AB,
48 TM6000_AMUX_ADC1,
49 TM6000_AMUX_ADC2,
50 TM6000_AMUX_SIF1,
51 TM6000_AMUX_SIF2,
52 TM6000_AMUX_I2S,
53};
54
55enum tm6000_devtype {
56 TM6000 = 0,
57 TM5600,
58 TM6010,
59};
60
61struct tm6000_input {
62 enum tm6000_itype type;
63 enum tm6000_mux vmux;
64 enum tm6000_mux amux;
65 unsigned int v_gpio;
66 unsigned int a_gpio;
67};
68
69/* ------------------------------------------------------------------
70 * Basic structures
71 * ------------------------------------------------------------------
72 */
73
74struct tm6000_fmt {
75 char *name;
76 u32 fourcc; /* v4l2 format id */
77 int depth;
78};
79
80/* buffer for one video frame */
81struct tm6000_buffer {
82 /* common v4l buffer stuff -- must be first */
83 struct videobuf_buffer vb;
84
85 struct tm6000_fmt *fmt;
86};
87
88struct tm6000_dmaqueue {
89 struct list_head active;
90 struct list_head queued;
91
92 /* thread for generating video stream*/
93 struct task_struct *kthread;
94 wait_queue_head_t wq;
95 /* Counters to control fps rate */
96 int frame;
97 int ini_jiffies;
98};
99
100/* device states */
101enum tm6000_core_state {
102 DEV_INITIALIZED = 0x01,
103 DEV_DISCONNECTED = 0x02,
104 DEV_MISCONFIGURED = 0x04,
105};
106
107/* io methods */
108enum tm6000_io_method {
109 IO_NONE,
110 IO_READ,
111 IO_MMAP,
112};
113
114enum tm6000_mode {
115 TM6000_MODE_UNKNOWN = 0,
116 TM6000_MODE_ANALOG,
117 TM6000_MODE_DIGITAL,
118};
119
120struct tm6000_gpio {
121 int tuner_reset;
122 int tuner_on;
123 int demod_reset;
124 int demod_on;
125 int power_led;
126 int dvb_led;
127 int ir;
128};
129
130struct tm6000_capabilities {
131 unsigned int has_tuner:1;
132 unsigned int has_tda9874:1;
133 unsigned int has_dvb:1;
134 unsigned int has_zl10353:1;
135 unsigned int has_eeprom:1;
136 unsigned int has_remote:1;
137 unsigned int has_radio:1;
138};
139
140struct tm6000_dvb {
141 struct dvb_adapter adapter;
142 struct dvb_demux demux;
143 struct dvb_frontend *frontend;
144 struct dmxdev dmxdev;
145 unsigned int streams;
146 struct urb *bulk_urb;
147 struct mutex mutex;
148};
149
150struct snd_tm6000_card {
151 struct snd_card *card;
152 spinlock_t reg_lock;
153 struct tm6000_core *core;
154 struct snd_pcm_substream *substream;
155
156 /* temporary data for buffer fill processing */
157 unsigned buf_pos;
158 unsigned period_pos;
159};
160
161struct tm6000_endpoint {
162 struct usb_host_endpoint *endp;
163 __u8 bInterfaceNumber;
164 __u8 bAlternateSetting;
165 unsigned maxsize;
166};
167
168#define TM6000_QUIRK_NO_USB_DELAY (1 << 0)
169
170struct tm6000_core {
171 /* generic device properties */
172 char name[30]; /* name (including minor) of the device */
173 int model; /* index in the device_data struct */
174 int devno; /* marks the number of this device */
175 enum tm6000_devtype dev_type; /* type of device */
176 unsigned char eedata[256]; /* Eeprom data */
177 unsigned eedata_size; /* Size of the eeprom info */
178
179 v4l2_std_id norm; /* Current norm */
180 int width, height; /* Selected resolution */
181
182 enum tm6000_core_state state;
183
184 /* Device Capabilities*/
185 struct tm6000_capabilities caps;
186
187 /* Used to load alsa/dvb */
188 struct work_struct request_module_wk;
189
190 /* Tuner configuration */
191 int tuner_type; /* type of the tuner */
192 int tuner_addr; /* tuner address */
193
194 struct tm6000_gpio gpio;
195
196 char *ir_codes;
197
198 __u8 radio;
199
200 /* Demodulator configuration */
201 int demod_addr; /* demodulator address */
202
203 int audio_bitrate;
204 /* i2c i/o */
205 struct i2c_adapter i2c_adap;
206 struct i2c_client i2c_client;
207
208
209 /* extension */
210 struct list_head devlist;
211
212 /* video for linux */
213 int users;
214
215 /* various device info */
216 struct tm6000_fh *resources; /* Points to fh that is streaming */
217 bool is_res_read;
218
219 struct video_device vfd;
220 struct video_device radio_dev;
221 struct tm6000_dmaqueue vidq;
222 struct v4l2_device v4l2_dev;
223 struct v4l2_ctrl_handler ctrl_handler;
224 struct v4l2_ctrl_handler radio_ctrl_handler;
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 struct mutex usb_lock;
252
253 /* usb transfer */
254 struct usb_device *udev; /* the usb device */
255
256 struct tm6000_endpoint bulk_in, bulk_out, isoc_in, isoc_out;
257 struct tm6000_endpoint int_in, int_out;
258
259 /* scaler!=0 if scaler is active*/
260 int scaler;
261
262 /* Isoc control struct */
263 struct usb_isoc_ctl isoc_ctl;
264
265 spinlock_t slock;
266
267 /* urb dma buffers */
268 char **urb_buffer;
269 dma_addr_t *urb_dma;
270 unsigned int urb_size;
271
272 unsigned long quirks;
273};
274
275enum tm6000_ops_type {
276 TM6000_AUDIO = 0x10,
277 TM6000_DVB = 0x20,
278};
279
280struct tm6000_ops {
281 struct list_head next;
282 char *name;
283 enum tm6000_ops_type type;
284 int (*init)(struct tm6000_core *);
285 int (*fini)(struct tm6000_core *);
286 int (*fillbuf)(struct tm6000_core *, char *buf, int size);
287};
288
289struct tm6000_fh {
290 struct v4l2_fh fh;
291 struct tm6000_core *dev;
292 unsigned int radio;
293
294 /* video capture */
295 struct tm6000_fmt *fmt;
296 unsigned int width, height;
297 struct videobuf_queue vb_vidq;
298
299 enum v4l2_buf_type type;
300};
301
302#define TM6000_STD (V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc| \
303 V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
304 V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM)
305
306/* In tm6000-cards.c */
307
308int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
309int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
310int tm6000_cards_setup(struct tm6000_core *dev);
311void tm6000_flash_led(struct tm6000_core *dev, u8 state);
312
313/* In tm6000-core.c */
314
315int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
316 u16 value, u16 index, u8 *buf, u16 len);
317int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
318int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
319int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
320int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
321int tm6000_set_reg_mask(struct tm6000_core *dev, u8 req, u16 value,
322 u16 index, u16 mask);
323int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
324int tm6000_init(struct tm6000_core *dev);
325int tm6000_reset(struct tm6000_core *dev);
326
327int tm6000_init_analog_mode(struct tm6000_core *dev);
328int tm6000_init_digital_mode(struct tm6000_core *dev);
329int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
330int tm6000_set_audio_rinput(struct tm6000_core *dev);
331int tm6000_tvaudio_set_mute(struct tm6000_core *dev, u8 mute);
332void tm6000_set_volume(struct tm6000_core *dev, int vol);
333
334int tm6000_v4l2_register(struct tm6000_core *dev);
335int tm6000_v4l2_unregister(struct tm6000_core *dev);
336int tm6000_v4l2_exit(void);
337void tm6000_set_fourcc_format(struct tm6000_core *dev);
338
339void tm6000_remove_from_devlist(struct tm6000_core *dev);
340void tm6000_add_into_devlist(struct tm6000_core *dev);
341int tm6000_register_extension(struct tm6000_ops *ops);
342void tm6000_unregister_extension(struct tm6000_ops *ops);
343void tm6000_init_extension(struct tm6000_core *dev);
344void tm6000_close_extension(struct tm6000_core *dev);
345int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
346 char *buf, int size);
347
348
349/* In tm6000-stds.c */
350void tm6000_get_std_res(struct tm6000_core *dev);
351int tm6000_set_standard(struct tm6000_core *dev);
352
353/* In tm6000-i2c.c */
354int tm6000_i2c_register(struct tm6000_core *dev);
355int tm6000_i2c_unregister(struct tm6000_core *dev);
356
357/* In tm6000-queue.c */
358
359int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
360
361int tm6000_vidioc_streamon(struct file *file, void *priv,
362 enum v4l2_buf_type i);
363int tm6000_vidioc_streamoff(struct file *file, void *priv,
364 enum v4l2_buf_type i);
365int tm6000_vidioc_reqbufs(struct file *file, void *priv,
366 struct v4l2_requestbuffers *rb);
367int tm6000_vidioc_querybuf(struct file *file, void *priv,
368 struct v4l2_buffer *b);
369int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
370int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
371ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
372 loff_t *f_pos);
373unsigned int tm6000_v4l2_poll(struct file *file,
374 struct poll_table_struct *wait);
375int tm6000_queue_init(struct tm6000_core *dev);
376
377/* In tm6000-alsa.c */
378/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
379
380/* In tm6000-input.c */
381int tm6000_ir_init(struct tm6000_core *dev);
382int tm6000_ir_fini(struct tm6000_core *dev);
383void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
384int tm6000_ir_int_start(struct tm6000_core *dev);
385void tm6000_ir_int_stop(struct tm6000_core *dev);
386
387/* Debug stuff */
388
389extern int tm6000_debug;
390
391#define dprintk(dev, level, fmt, arg...) do {\
392 if (tm6000_debug & level) \
393 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
394 dev->name, __func__ , ##arg); } while (0)
395
396#define V4L2_DEBUG_REG 0x0004
397#define V4L2_DEBUG_I2C 0x0008
398#define V4L2_DEBUG_QUEUE 0x0010
399#define V4L2_DEBUG_ISOC 0x0020
400#define V4L2_DEBUG_RES_LOCK 0x0040 /* Resource locking */
401#define V4L2_DEBUG_OPEN 0x0080 /* video open/close debug */
402
403#define tm6000_err(fmt, arg...) do {\
404 printk(KERN_ERR "tm6000 %s :"fmt, \
405 __func__ , ##arg); } while (0)