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  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)