Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[pandora-kernel.git] / drivers / staging / tm6000 / tm6000.h
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
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
44 enum tm6000_itype {
45         TM6000_INPUT_TV = 0,
46         TM6000_INPUT_COMPOSITE,
47         TM6000_INPUT_SVIDEO,
48 };
49
50 enum tm6000_devtype {
51         TM6000 = 0,
52         TM5600,
53         TM6010,
54 };
55
56 /* ------------------------------------------------------------------
57         Basic structures
58    ------------------------------------------------------------------*/
59
60 struct tm6000_fmt {
61         char  *name;
62         u32   fourcc;          /* v4l2 format id */
63         int   depth;
64 };
65
66 /* buffer for one video frame */
67 struct tm6000_buffer {
68         /* common v4l buffer stuff -- must be first */
69         struct videobuf_buffer vb;
70
71         struct tm6000_fmt      *fmt;
72 };
73
74 struct 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 */
87 enum tm6000_core_state {
88         DEV_INITIALIZED   = 0x01,
89         DEV_DISCONNECTED  = 0x02,
90         DEV_MISCONFIGURED = 0x04,
91 };
92
93 /* io methods */
94 enum tm6000_io_method {
95         IO_NONE,
96         IO_READ,
97         IO_MMAP,
98 };
99
100 enum tm6000_mode {
101         TM6000_MODE_UNKNOWN=0,
102         TM6000_MODE_ANALOG,
103         TM6000_MODE_DIGITAL,
104 };
105
106 struct 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
116 struct 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
125 struct 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
135 struct tm6000_endpoint {
136         struct usb_host_endpoint        *endp;
137         __u8                            bInterfaceNumber;
138         __u8                            bAlternateSetting;
139         unsigned                        maxsize;
140 };
141
142 struct tm6000_core {
143         /* generic device properties */
144         char                            name[30];       /* name (including minor) of the device */
145         int                             model;          /* index in the device_data struct */
146         int                             devno;          /* marks the number of this device */
147         enum tm6000_devtype             dev_type;       /* type of device */
148
149         v4l2_std_id                     norm;           /* Current norm */
150         int                             width,height;   /* Selected resolution */
151
152         enum tm6000_core_state          state;
153
154         /* Device Capabilities*/
155         struct tm6000_capabilities      caps;
156
157         /* Tuner configuration */
158         int                             tuner_type;             /* type of the tuner */
159         int                             tuner_addr;             /* tuner address */
160
161         struct tm6000_gpio              gpio;
162
163         /* Demodulator configuration */
164         int                             demod_addr;     /* demodulator address */
165
166         int                             audio_bitrate;
167         /* i2c i/o */
168         struct i2c_adapter              i2c_adap;
169         struct i2c_client               i2c_client;
170
171
172         /* extension */
173         struct list_head                devlist;
174
175         /* video for linux */
176         int                             users;
177
178         /* various device info */
179         unsigned int                    resources;
180         struct video_device             *vfd;
181         struct tm6000_dmaqueue          vidq;
182         struct v4l2_device              v4l2_dev;
183
184         int                             input;
185         int                             freq;
186         unsigned int                    fourcc;
187
188         enum tm6000_mode                mode;
189
190         /* DVB-T support */
191         struct tm6000_dvb               *dvb;
192
193         /* locks */
194         struct mutex                    lock;
195
196         /* usb transfer */
197         struct usb_device               *udev;          /* the usb device */
198
199         struct tm6000_endpoint          bulk_in, bulk_out, isoc_in, isoc_out;
200
201         /* scaler!=0 if scaler is active*/
202         int                             scaler;
203
204                 /* Isoc control struct */
205         struct usb_isoc_ctl          isoc_ctl;
206
207         spinlock_t                   slock;
208 };
209
210 #define TM6000_AUDIO 0x10
211
212 struct tm6000_ops {
213         struct list_head        next;
214         char                    *name;
215         int                     id;
216         int (*init)(struct tm6000_core *);
217         int (*fini)(struct tm6000_core *);
218 };
219
220 struct tm6000_fh {
221         struct tm6000_core           *dev;
222
223         /* video capture */
224         struct tm6000_fmt            *fmt;
225         unsigned int                 width,height;
226         struct videobuf_queue        vb_vidq;
227
228         enum v4l2_buf_type           type;
229 };
230
231 #define TM6000_STD      V4L2_STD_PAL|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|    \
232                         V4L2_STD_PAL_M|V4L2_STD_PAL_60|V4L2_STD_NTSC_M| \
233                         V4L2_STD_NTSC_M_JP|V4L2_STD_SECAM
234
235 /* In tm6000-cards.c */
236
237 int tm6000_tuner_callback (void *ptr, int component, int command, int arg);
238 int tm6000_xc5000_callback (void *ptr, int component, int command, int arg);
239 int tm6000_cards_setup(struct tm6000_core *dev);
240
241 /* In tm6000-core.c */
242
243 int tm6000_read_write_usb (struct tm6000_core *dev, u8 reqtype, u8 req,
244                            u16 value, u16 index, u8 *buf, u16 len);
245 int tm6000_get_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
246 int tm6000_get_reg16(struct tm6000_core *dev, u8 req, u16 value, u16 index);
247 int tm6000_get_reg32(struct tm6000_core *dev, u8 req, u16 value, u16 index);
248 int tm6000_set_reg (struct tm6000_core *dev, u8 req, u16 value, u16 index);
249 int tm6000_i2c_reset(struct tm6000_core *dev, u16 tsleep);
250
251 int tm6000_init (struct tm6000_core *dev);
252
253 int tm6000_init_analog_mode (struct tm6000_core *dev);
254 int tm6000_init_digital_mode (struct tm6000_core *dev);
255 int tm6000_set_audio_bitrate (struct tm6000_core *dev, int bitrate);
256
257 int tm6000_dvb_register(struct tm6000_core *dev);
258 void tm6000_dvb_unregister(struct tm6000_core *dev);
259
260 int tm6000_v4l2_register(struct tm6000_core *dev);
261 int tm6000_v4l2_unregister(struct tm6000_core *dev);
262 int tm6000_v4l2_exit(void);
263 void tm6000_set_fourcc_format(struct tm6000_core *dev);
264
265 void tm6000_remove_from_devlist(struct tm6000_core *dev);
266 void tm6000_add_into_devlist(struct tm6000_core *dev);
267 int tm6000_register_extension(struct tm6000_ops *ops);
268 void tm6000_unregister_extension(struct tm6000_ops *ops);
269 void tm6000_init_extension(struct tm6000_core *dev);
270 void tm6000_close_extension(struct tm6000_core *dev);
271
272 /* In tm6000-stds.c */
273 void tm6000_get_std_res(struct tm6000_core *dev);
274 int tm6000_set_standard (struct tm6000_core *dev, v4l2_std_id *norm);
275
276 /* In tm6000-i2c.c */
277 int tm6000_i2c_register(struct tm6000_core *dev);
278 int tm6000_i2c_unregister(struct tm6000_core *dev);
279
280 /* In tm6000-queue.c */
281
282 int tm6000_v4l2_mmap(struct file *filp, struct vm_area_struct *vma);
283
284 int tm6000_vidioc_streamon(struct file *file, void *priv,
285                            enum v4l2_buf_type i);
286 int tm6000_vidioc_streamoff(struct file *file, void *priv,
287                             enum v4l2_buf_type i);
288 int tm6000_vidioc_reqbufs (struct file *file, void *priv,
289                            struct v4l2_requestbuffers *rb);
290 int tm6000_vidioc_querybuf (struct file *file, void *priv,
291                             struct v4l2_buffer *b);
292 int tm6000_vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *b);
293 int tm6000_vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *b);
294 ssize_t tm6000_v4l2_read(struct file *filp, char __user * buf, size_t count,
295                          loff_t * f_pos);
296 unsigned int tm6000_v4l2_poll(struct file *file,
297                               struct poll_table_struct *wait);
298 int tm6000_queue_init(struct tm6000_core *dev);
299
300 /* In tm6000-alsa.c */
301 /*int tm6000_audio_init(struct tm6000_core *dev, int idx);*/
302
303
304 /* Debug stuff */
305
306 extern int tm6000_debug;
307
308 #define dprintk(dev, level, fmt, arg...) do {\
309         if (tm6000_debug & level) \
310                 printk(KERN_INFO "(%lu) %s %s :"fmt, jiffies,           \
311                          dev->name, __FUNCTION__ , ##arg); } while (0)
312
313 #define V4L2_DEBUG_REG          0x0004
314 #define V4L2_DEBUG_I2C          0x0008
315 #define V4L2_DEBUG_QUEUE        0x0010
316 #define V4L2_DEBUG_ISOC         0x0020
317 #define V4L2_DEBUG_RES_LOCK     0x0040  /* Resource locking */
318 #define V4L2_DEBUG_OPEN         0x0080  /* video open/close debug */
319
320 #define tm6000_err(fmt, arg...) do {\
321         printk(KERN_ERR "tm6000 %s :"fmt, \
322                 __FUNCTION__ , ##arg); } while (0)
323
324