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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/drivers/staging/tm6000/
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
34
35#include <linux/dvb/frontend.h>
36#include "dvb_demux.h"
37#include "dvb_frontend.h"
38#include "dmxdev.h"
39
40#define TM6000_VERSION KERNEL_VERSION(0, 0, 2)
41
42/* Inputs */
43
44enum tm6000_itype {
45	TM6000_INPUT_TV	= 0,
46	TM6000_INPUT_COMPOSITE,
47	TM6000_INPUT_SVIDEO,
48};
49
50enum tm6000_devtype {
51	TM6000 = 0,
52	TM5600,
53	TM6010,
54};
55
56/* ------------------------------------------------------------------
57	Basic structures
58   ------------------------------------------------------------------*/
59
60struct tm6000_fmt {
61	char  *name;
62	u32   fourcc;          /* v4l2 format id */
63	int   depth;
64};
65
66/* buffer for one video frame */
67struct tm6000_buffer {
68	/* common v4l buffer stuff -- must be first */
69	struct videobuf_buffer vb;
70
71	struct tm6000_fmt      *fmt;
72};
73
74struct tm6000_dmaqueue {
75	struct list_head       active;
76	struct list_head       queued;
77
78	/* thread for generating video stream*/
79	struct task_struct         *kthread;
80	wait_queue_head_t          wq;
81	/* Counters to control fps rate */
82	int                        frame;
83	int                        ini_jiffies;
84};
85
86/* device states */
87enum tm6000_core_state {
88	DEV_INITIALIZED   = 0x01,
89	DEV_DISCONNECTED  = 0x02,
90	DEV_MISCONFIGURED = 0x04,
91};
92
93/* io methods */
94enum tm6000_io_method {
95	IO_NONE,
96	IO_READ,
97	IO_MMAP,
98};
99
100enum tm6000_mode {
101	TM6000_MODE_UNKNOWN = 0,
102	TM6000_MODE_ANALOG,
103	TM6000_MODE_DIGITAL,
104};
105
106struct tm6000_gpio {
107	int		tuner_reset;
108	int		tuner_on;
109	int		demod_reset;
110	int		demod_on;
111	int		power_led;
112	int		dvb_led;
113	int		ir;
114};
115
116struct tm6000_capabilities {
117	unsigned int    has_tuner:1;
118	unsigned int    has_tda9874:1;
119	unsigned int    has_dvb:1;
120	unsigned int    has_zl10353:1;
121	unsigned int    has_eeprom:1;
122	unsigned int    has_remote:1;
123};
124
125struct tm6000_dvb {
126	struct dvb_adapter	adapter;
127	struct dvb_demux	demux;
128	struct dvb_frontend	*frontend;
129	struct dmxdev		dmxdev;
130	unsigned int		streams;
131	struct urb		*bulk_urb;
132	struct mutex		mutex;
133};
134
135struct snd_tm6000_card {
136	struct snd_card			*card;
137	spinlock_t			reg_lock;
138	struct tm6000_core		*core;
139	struct snd_pcm_substream	*substream;
140
141	/* temporary data for buffer fill processing */
142	unsigned			buf_pos;
143	unsigned			period_pos;
144};
145
146struct tm6000_endpoint {
147	struct usb_host_endpoint	*endp;
148	__u8				bInterfaceNumber;
149	__u8				bAlternateSetting;
150	unsigned			maxsize;
151};
152
153struct tm6000_core {
154	/* generic device properties */
155	char				name[30];	/* name (including minor) of the device */
156	int				model;		/* index in the device_data struct */
157	int				devno;		/* marks the number of this device */
158	enum tm6000_devtype		dev_type;	/* type of device */
159
160	v4l2_std_id                     norm;           /* Current norm */
161	int				width, height;	/* Selected resolution */
162
163	enum tm6000_core_state		state;
164
165	/* Device Capabilities*/
166	struct tm6000_capabilities	caps;
167
168	/* Tuner configuration */
169	int				tuner_type;		/* type of the tuner */
170	int				tuner_addr;		/* tuner address */
171
172	struct tm6000_gpio		gpio;
173
174	char				*ir_codes;
175
176	/* Demodulator configuration */
177	int				demod_addr;	/* demodulator address */
178
179	int				audio_bitrate;
180	/* i2c i/o */
181	struct i2c_adapter		i2c_adap;
182	struct i2c_client		i2c_client;
183
184
185	/* extension */
186	struct list_head		devlist;
187
188	/* video for linux */
189	int				users;
190
191	/* various device info */
192	unsigned int			resources;
193	struct video_device		*vfd;
194	struct tm6000_dmaqueue		vidq;
195	struct v4l2_device		v4l2_dev;
196
197	int				input;
198	int				freq;
199	unsigned int			fourcc;
200
201	enum tm6000_mode		mode;
202
203	/* DVB-T support */
204	struct tm6000_dvb		*dvb;
205
206	/* audio support */
207	struct snd_tm6000_card		*adev;
208
209	struct tm6000_IR		*ir;
210
211	/* locks */
212	struct mutex			lock;
213
214	/* usb transfer */
215	struct usb_device		*udev;		/* the usb device */
216
217	struct tm6000_endpoint		bulk_in, bulk_out, isoc_in, isoc_out;
218	struct tm6000_endpoint		int_in, int_out;
219
220	/* scaler!=0 if scaler is active*/
221	int				scaler;
222
223		/* Isoc control struct */
224	struct usb_isoc_ctl          isoc_ctl;
225
226	spinlock_t                   slock;
227};
228
229enum tm6000_ops_type {
230	TM6000_AUDIO = 0x10,
231	TM6000_DVB = 0x20,
232};
233
234struct tm6000_ops {
235	struct list_head	next;
236	char			*name;
237	enum tm6000_ops_type	type;
238	int (*init)(struct tm6000_core *);
239	int (*fini)(struct tm6000_core *);
240	int (*fillbuf)(struct tm6000_core *, char *buf, int size);
241};
242
243struct tm6000_fh {
244	struct tm6000_core           *dev;
245
246	/* video capture */
247	struct tm6000_fmt            *fmt;
248	unsigned int                 width, height;
249	struct videobuf_queue        vb_vidq;
250
251	enum v4l2_buf_type           type;
252};
253
254#define TM6000_STD	V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|    \
255			V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
256			V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM
257
258/* In tm6000-cards.c */
259
260int tm6000_tuner_callback(void *ptr, int component, int command, int arg);
261int tm6000_xc5000_callback(void *ptr, int component, int command, int arg);
262int tm6000_cards_setup(struct tm6000_core *dev);
263
264/* In tm6000-core.c */
265
266int tm6000_read_write_usb(struct tm6000_core *dev, u8 reqtype, u8 req,
267			   u16 value, u16 index, u8 *buf, u16 len);
268int tm6000_get_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
269int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
270int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
271int tm6000_set_reg(struct tm6000_core *dev, u8 req, u16 value, u16 index);
272int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
273int tm6000_init(struct tm6000_core *dev);
274
275int tm6000_init_analog_mode(struct tm6000_core *dev);
276int tm6000_init_digital_mode(struct tm6000_core *dev);
277int tm6000_set_audio_bitrate(struct tm6000_core *dev, int bitrate);
278
279int tm6000_v4l2_register(struct tm6000_core *dev);
280int tm6000_v4l2_unregister(struct tm6000_core *dev);
281int tm6000_v4l2_exit(void);
282void tm6000_set_fourcc_format(struct tm6000_core *dev);
283
284void tm6000_remove_from_devlist(struct tm6000_core *dev);
285void tm6000_add_into_devlist(struct tm6000_core *dev);
286int tm6000_register_extension(struct tm6000_ops *ops);
287void tm6000_unregister_extension(struct tm6000_ops *ops);
288void tm6000_init_extension(struct tm6000_core *dev);
289void tm6000_close_extension(struct tm6000_core *dev);
290int tm6000_call_fillbuf(struct tm6000_core *dev, enum tm6000_ops_type type,
291			char *buf, int size);
292
293
294/* In tm6000-stds.c */
295void tm6000_get_std_res(struct tm6000_core *dev);
296int tm6000_set_standard(struct tm6000_core *dev, v4l2_std_id *norm);
297
298/* In tm6000-i2c.c */
299int tm6000_i2c_register(struct tm6000_core *dev);
300int tm6000_i2c_unregister(struct tm6000_core *dev);
301
302/* In tm6000-queue.c */
303
304int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
305
306int tm6000_vidioc_streamon(struct file *file, void *priv,
307			   enum v4l2_buf_type i);
308int tm6000_vidioc_streamoff(struct file *file, void *priv,
309			    enum v4l2_buf_type i);
310int tm6000_vidioc_reqbufs(struct file *file, void *priv,
311			  struct v4l2_requestbuffers *rb);
312int tm6000_vidioc_querybuf(struct file *file, void *priv,
313			   struct v4l2_buffer *b);
314int tm6000_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b);
315int tm6000_vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b);
316ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
317			 loff_t *f_pos);
318unsigned int tm6000_v4l2_poll(struct file *file,
319			      struct poll_table_struct *wait);
320int tm6000_queue_init(struct tm6000_core *dev);
321
322/* In tm6000-alsa.c */
323/*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
324
325/* In tm6000-input.c */
326int tm6000_ir_init(struct tm6000_core *dev);
327int tm6000_ir_fini(struct tm6000_core *dev);
328void tm6000_ir_wait(struct tm6000_core *dev, u8 state);
329
330/* Debug stuff */
331
332extern int tm6000_debug;
333
334#define dprintk(dev, level, fmt, arg...) do {\
335	if (tm6000_debug & level) \
336		printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies, \
337			 dev->name, __FUNCTION__ , ##arg); } while (0)
338
339#define V4L2_DEBUG_REG		0x0004
340#define V4L2_DEBUG_I2C		0x0008
341#define V4L2_DEBUG_QUEUE	0x0010
342#define V4L2_DEBUG_ISOC		0x0020
343#define V4L2_DEBUG_RES_LOCK	0x0040	/* Resource locking */
344#define V4L2_DEBUG_OPEN		0x0080	/* video open/close debug */
345
346#define tm6000_err(fmt, arg...) do {\
347	printk(KERN_ERR "tm6000 %s :"fmt, \
348		__FUNCTION__ , ##arg); } while (0)
349