Merge master.kernel.org:/home/rmk/linux-2.6-serial
[linux-2.6] / drivers / media / video / mxb.c
1 /*
2     mxb - v4l2 driver for the Multimedia eXtension Board
3     
4     Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de>
5
6     Visit http://www.mihu.de/linux/saa7146/mxb/
7     for further details about this card.
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; either version 2 of the License, or
12     (at your option) any later version.
13
14     This program is distributed in the hope that it will be useful,
15     but WITHOUT ANY WARRANTY; without even the implied warranty of
16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     GNU General Public License for more details.
18
19     You should have received a copy of the GNU General Public License
20     along with this program; if not, write to the Free Software
21     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 */
23
24 #define DEBUG_VARIABLE debug
25
26 #include <media/saa7146_vv.h>
27 #include <media/tuner.h>
28 #include <linux/video_decoder.h>
29
30 #include "mxb.h"
31 #include "tea6415c.h"
32 #include "tea6420.h"
33 #include "tda9840.h"
34
35 #define I2C_SAA7111 0x24
36
37 #define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0) 
38
39 /* global variable */
40 static int mxb_num = 0;
41
42 /* initial frequence the tuner will be tuned to. 
43    in verden (lower saxony, germany) 4148 is a
44    channel called "phoenix" */
45 static int freq = 4148;
46 module_param(freq, int, 0644);
47 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
48
49 static int debug = 0;
50 module_param(debug, int, 0644);
51 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
52
53 #define MXB_INPUTS 4
54 enum { TUNER, AUX1, AUX3, AUX3_YC };
55
56 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
57         { TUNER,        "Tuner",                V4L2_INPUT_TYPE_TUNER,  1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, 
58         { AUX1,         "AUX1",                 V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
59         { AUX3,         "AUX3 Composite",       V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
60         { AUX3_YC,      "AUX3 S-Video",         V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
61 };
62
63 /* this array holds the information, which port of the saa7146 each
64    input actually uses. the mxb uses port 0 for every input */
65 static struct {
66         int hps_source;
67         int hps_sync;
68 } input_port_selection[MXB_INPUTS] = {  
69         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
70         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
71         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
72         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
73 };
74
75 /* this array holds the information of the audio source (mxb_audios),
76    which has to be switched corresponding to the video source (mxb_channels) */
77 static int video_audio_connect[MXB_INPUTS] =
78         { 0, 1, 3, 3 };
79
80 /* these are the necessary input-output-pins for bringing one audio source
81 (see above) to the CD-output */
82 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
83                 { 
84                 {{1,1,0},{1,1,0}},      /* Tuner */
85                 {{5,1,0},{6,1,0}},      /* AUX 1 */
86                 {{4,1,0},{6,1,0}},      /* AUX 2 */
87                 {{3,1,0},{6,1,0}},      /* AUX 3 */
88                 {{1,1,0},{3,1,0}},      /* Radio */
89                 {{1,1,0},{2,1,0}},      /* CD-Rom */
90                 {{6,1,0},{6,1,0}}       /* Mute */
91                 };
92
93 /* these are the necessary input-output-pins for bringing one audio source
94 (see above) to the line-output */
95 static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
96                 {
97                 {{2,3,0},{1,2,0}},
98                 {{5,3,0},{6,2,0}},
99                 {{4,3,0},{6,2,0}},
100                 {{3,3,0},{6,2,0}},
101                 {{2,3,0},{3,2,0}},
102                 {{2,3,0},{2,2,0}},
103                 {{6,3,0},{6,2,0}}       /* Mute */
104                 };
105
106 #define MAXCONTROLS     1
107 static struct v4l2_queryctrl mxb_controls[] = {
108         { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
109 };
110
111 static struct saa7146_extension_ioctls ioctls[] = {
112         { VIDIOC_ENUMINPUT,     SAA7146_EXCLUSIVE },
113         { VIDIOC_G_INPUT,       SAA7146_EXCLUSIVE },
114         { VIDIOC_S_INPUT,       SAA7146_EXCLUSIVE },
115         { VIDIOC_QUERYCTRL,     SAA7146_BEFORE },
116         { VIDIOC_G_CTRL,        SAA7146_BEFORE },
117         { VIDIOC_S_CTRL,        SAA7146_BEFORE },
118         { VIDIOC_G_TUNER,       SAA7146_EXCLUSIVE },
119         { VIDIOC_S_TUNER,       SAA7146_EXCLUSIVE },
120         { VIDIOC_G_FREQUENCY,   SAA7146_EXCLUSIVE },
121         { VIDIOC_S_FREQUENCY,   SAA7146_EXCLUSIVE },
122         { VIDIOC_G_AUDIO,       SAA7146_EXCLUSIVE },
123         { VIDIOC_S_AUDIO,       SAA7146_EXCLUSIVE },
124         { MXB_S_AUDIO_CD,       SAA7146_EXCLUSIVE },    /* custom control */    
125         { MXB_S_AUDIO_LINE,     SAA7146_EXCLUSIVE },    /* custom control */    
126         { 0,                    0 }
127 };
128
129 struct mxb
130 {
131         struct video_device     *video_dev;
132         struct video_device     *vbi_dev;
133
134         struct i2c_adapter      i2c_adapter;    
135
136         struct i2c_client*      saa7111a;
137         struct i2c_client*      tda9840;
138         struct i2c_client*      tea6415c;
139         struct i2c_client*      tuner;
140         struct i2c_client*      tea6420_1;
141         struct i2c_client*      tea6420_2;
142
143         int     cur_mode;       /* current audio mode (mono, stereo, ...) */
144         int     cur_input;      /* current input */
145         int     cur_freq;       /* current frequency the tuner is tuned to */
146         int     cur_mute;       /* current mute status */
147 };
148
149 static struct saa7146_extension extension;
150
151 static int mxb_probe(struct saa7146_dev* dev)
152 {
153         struct mxb* mxb = NULL;
154         struct i2c_client *client;
155         struct list_head *item;
156         int result;
157
158         if ((result = request_module("saa7111")) < 0) {
159                 printk("mxb: saa7111 i2c module not available.\n");
160                 return -ENODEV;
161         }
162         if ((result = request_module("tuner")) < 0) {
163                 printk("mxb: tuner i2c module not available.\n");
164                 return -ENODEV;
165         }
166         if ((result = request_module("tea6420")) < 0) {
167                 printk("mxb: tea6420 i2c module not available.\n");
168                 return -ENODEV;
169         }
170         if ((result = request_module("tea6415c")) < 0) {
171                 printk("mxb: tea6415c i2c module not available.\n");
172                 return -ENODEV;
173         }
174         if ((result = request_module("tda9840")) < 0) {
175                 printk("mxb: tda9840 i2c module not available.\n");
176                 return -ENODEV;
177         }
178
179         mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL);
180         if( NULL == mxb ) {
181                 DEB_D(("not enough kernel memory.\n"));
182                 return -ENOMEM;
183         }
184         memset(mxb, 0x0, sizeof(struct mxb));   
185
186         mxb->i2c_adapter = (struct i2c_adapter) {
187                 .class = I2C_CLASS_TV_ANALOG,
188                 .name = "mxb",
189         };
190
191         saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
192         if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
193                 DEB_S(("cannot register i2c-device. skipping.\n"));
194                 kfree(mxb);
195                 return -EFAULT;
196         }
197
198         /* loop through all i2c-devices on the bus and look who is there */
199         list_for_each(item,&mxb->i2c_adapter.clients) {
200                 client = list_entry(item, struct i2c_client, list);
201                 if( I2C_TEA6420_1 == client->addr )
202                         mxb->tea6420_1 = client;
203                 if( I2C_TEA6420_2 == client->addr ) 
204                         mxb->tea6420_2 = client;
205                 if( I2C_TEA6415C_2 == client->addr ) 
206                         mxb->tea6415c = client;
207                 if( I2C_TDA9840 == client->addr ) 
208                         mxb->tda9840 = client;
209                 if( I2C_SAA7111 == client->addr )
210                         mxb->saa7111a = client;
211                 if( 0x60 == client->addr ) 
212                         mxb->tuner = client;
213         }
214
215         /* check if all devices are present */
216         if(    0 == mxb->tea6420_1      || 0 == mxb->tea6420_2  || 0 == mxb->tea6415c
217             || 0 == mxb->tda9840        || 0 == mxb->saa7111a   || 0 == mxb->tuner ) {
218
219                 printk("mxb: did not find all i2c devices. aborting\n");
220                 i2c_del_adapter(&mxb->i2c_adapter);
221                 kfree(mxb);
222                 return -ENODEV;
223         }
224
225         /* all devices are present, probe was successful */     
226
227         /* we store the pointer in our private data field */
228         dev->ext_priv = mxb;
229
230         return 0;
231 }
232
233 /* some init data for the saa7740, the so-called 'sound arena module'. 
234    there are no specs available, so we simply use some init values */
235 static struct {
236         int     length;
237         char    data[9];
238 } mxb_saa7740_init[] = {
239         { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
240         { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
241         { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
242         { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
243         { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
244         { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
245         { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
246         { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
247         { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
248         { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
249         { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
250         { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
251         { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
252         { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
253         { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
254         { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
255         { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
256         { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
257         { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
258         { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
259         { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
260         { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
261         { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
262         { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
263         { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
264         { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
265         { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
266         { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
267         { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
268         { 3, { 0x48, 0x00, 0x01 } },
269         { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
270         { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
271         { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
272         { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
273         { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
274         { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
275         { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
276         { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
277         { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
278         { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
279         { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
280         { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
281         { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
282         { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
283         { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
284         { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
285         { 3, { 0x80, 0xb3, 0x0a } },
286         {-1, { 0} }
287 };
288
289 static const unsigned char mxb_saa7111_init[] = {
290         0x00, 0x00,       /* 00 - ID byte */
291         0x01, 0x00,       /* 01 - reserved */
292
293         /*front end */
294         0x02, 0xd8,       /* 02 - FUSE=x, GUDL=x, MODE=x */
295         0x03, 0x23,       /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
296         0x04, 0x00,       /* 04 - GAI1=256 */
297         0x05, 0x00,       /* 05 - GAI2=256 */
298
299         /* decoder */
300         0x06, 0xf0,       /* 06 - HSB at  xx(50Hz) /  xx(60Hz) pixels after end of last line */
301         0x07, 0x30,       /* 07 - HSS at  xx(50Hz) /  xx(60Hz) pixels after end of last line */
302         0x08, 0xa8,       /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
303         0x09, 0x02,       /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
304         0x0a, 0x80,       /* 0a - BRIG=128 */
305         0x0b, 0x47,       /* 0b - CONT=1.109 */
306         0x0c, 0x40,       /* 0c - SATN=1.0 */
307         0x0d, 0x00,       /* 0d - HUE=0 */
308         0x0e, 0x01,       /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
309         0x0f, 0x00,       /* 0f - reserved */
310         0x10, 0xd0,       /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
311         0x11, 0x8c,       /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
312         0x12, 0x80,       /* 12 - xx output control 2 */
313         0x13, 0x30,       /* 13 - xx output control 3 */
314         0x14, 0x00,       /* 14 - reserved */
315         0x15, 0x15,       /* 15 - VBI */
316         0x16, 0x04,       /* 16 - VBI */
317         0x17, 0x00,       /* 17 - VBI */
318 };
319
320 /* bring hardware to a sane state. this has to be done, just in case someone
321    wants to capture from this device before it has been properly initialized.
322    the capture engine would badly fail, because no valid signal arrives on the
323    saa7146, thus leading to timeouts and stuff. */
324 static int mxb_init_done(struct saa7146_dev* dev)
325 {
326         struct mxb* mxb = (struct mxb*)dev->ext_priv;
327         struct video_decoder_init init;
328         struct i2c_msg msg;
329
330         int i = 0, err = 0;
331         struct  tea6415c_multiplex vm;  
332
333         /* select video mode in saa7111a */
334         i = VIDEO_MODE_PAL;
335         /* fixme: currently pointless: gets overwritten by configuration below */
336         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
337
338         /* write configuration to saa7111a */
339         init.data = mxb_saa7111_init;
340         init.len = sizeof(mxb_saa7111_init);
341         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init);
342
343         /* select tuner-output on saa7111a */
344         i = 0;
345         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
346
347         /* enable vbi bypass */
348         i = 1;
349         mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
350
351         /* select a tuner type */
352         i = 5; 
353         mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE, &i);
354         
355         /* mute audio on tea6420s */
356         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
357         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
358         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]);
359         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]);
360
361         /* switch to tuner-channel on tea6415c*/
362         vm.out = 17;
363         vm.in  = 3;
364         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
365
366         /* select tuner-output on multicable on tea6415c*/
367         vm.in  = 3;
368         vm.out = 13;
369         mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
370                                 
371         /* tune in some frequency on tuner */
372         mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &freq);
373
374         /* the rest for mxb */
375         mxb->cur_input = 0;
376         mxb->cur_freq = freq;
377         mxb->cur_mute = 1;
378
379         mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
380         mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
381                         
382         /* check if the saa7740 (aka 'sound arena module') is present
383            on the mxb. if so, we must initialize it. due to lack of 
384            informations about the saa7740, the values were reverse
385            engineered. */
386         msg.addr = 0x1b;
387         msg.flags = 0;
388         msg.len = mxb_saa7740_init[0].length;
389         msg.buf = &mxb_saa7740_init[0].data[0];
390
391         if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
392                 /* the sound arena module is a pos, that's probably the reason
393                    philips refuses to hand out a datasheet for the saa7740...
394                    it seems to screw up the i2c bus, so we disable fast irq
395                    based i2c transactions here and rely on the slow and safe
396                    polling method ... */
397                 extension.flags &= ~SAA7146_USE_I2C_IRQ;
398                 for(i = 1;;i++) {
399                         if( -1 == mxb_saa7740_init[i].length ) {
400                                 break;
401                         }
402
403                         msg.len = mxb_saa7740_init[i].length;           
404                         msg.buf = &mxb_saa7740_init[i].data[0];
405                         if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
406                                 DEB_D(("failed to initialize 'sound arena module'.\n"));
407                                 goto err;
408                         }
409                 }
410                 INFO(("'sound arena module' detected.\n"));
411         }
412 err:    
413         /* the rest for saa7146: you should definitely set some basic values
414            for the input-port handling of the saa7146. */
415
416         /* ext->saa has been filled by the core driver */
417            
418         /* some stuff is done via variables */
419         saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
420
421         /* some stuff is done via direct write to the registers */
422
423         /* this is ugly, but because of the fact that this is completely
424            hardware dependend, it should be done directly... */
425         saa7146_write(dev, DD1_STREAM_B,        0x00000000);
426         saa7146_write(dev, DD1_INIT,            0x02000200);
427         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
428
429         return 0;
430 }
431
432 /* interrupt-handler. this gets called when irq_mask is != 0.
433    it must clear the interrupt-bits in irq_mask it has handled */
434 /*
435 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
436 {
437         struct mxb* mxb = (struct mxb*)dev->ext_priv;
438 }
439 */
440
441 static struct saa7146_ext_vv vv_data;
442
443 /* this function only gets called when the probing was successful */
444 static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
445 {
446         struct mxb* mxb = (struct mxb*)dev->ext_priv;
447         
448         DEB_EE(("dev:%p\n",dev));
449
450         /* checking for i2c-devices can be omitted here, because we
451            already did this in "mxb_vl42_probe" */
452
453         saa7146_vv_init(dev,&vv_data);
454         if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
455                 ERR(("cannot register capture v4l2 device. skipping.\n"));
456                 return -1;
457         }
458         
459         /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
460         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
461                 if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
462                         ERR(("cannot register vbi v4l2 device. skipping.\n"));
463                 }
464         }
465
466         i2c_use_client(mxb->tea6420_1);
467         i2c_use_client(mxb->tea6420_2);
468         i2c_use_client(mxb->tea6415c);
469         i2c_use_client(mxb->tda9840);
470         i2c_use_client(mxb->saa7111a);
471         i2c_use_client(mxb->tuner);
472
473         printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
474
475         mxb_num++;
476         mxb_init_done(dev);
477         return 0;
478 }
479
480 static int mxb_detach(struct saa7146_dev* dev)
481 {
482         struct mxb* mxb = (struct mxb*)dev->ext_priv;
483
484         DEB_EE(("dev:%p\n",dev));
485
486         i2c_release_client(mxb->tea6420_1);
487         i2c_release_client(mxb->tea6420_2);
488         i2c_release_client(mxb->tea6415c);
489         i2c_release_client(mxb->tda9840);
490         i2c_release_client(mxb->saa7111a);
491         i2c_release_client(mxb->tuner);
492
493         saa7146_unregister_device(&mxb->video_dev,dev);
494         if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
495                 saa7146_unregister_device(&mxb->vbi_dev,dev);
496         }
497         saa7146_vv_release(dev);
498
499         mxb_num--;
500
501         i2c_del_adapter(&mxb->i2c_adapter);
502         kfree(mxb);
503
504         return 0;
505 }
506
507 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) 
508 {
509         struct saa7146_dev *dev = fh->dev;
510         struct mxb* mxb = (struct mxb*)dev->ext_priv;
511         struct saa7146_vv *vv = dev->vv_data; 
512         
513         switch(cmd) {
514         case VIDIOC_ENUMINPUT:
515         {
516                 struct v4l2_input *i = arg;
517                 
518                 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
519                 if( i->index < 0 || i->index >= MXB_INPUTS) {
520                         return -EINVAL;
521                 }
522                 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
523
524                 return 0;
525         }
526         /* the saa7146 provides some controls (brightness, contrast, saturation)
527            which gets registered *after* this function. because of this we have
528            to return with a value != 0 even if the function succeded.. */
529         case VIDIOC_QUERYCTRL:
530         {
531                 struct v4l2_queryctrl *qc = arg;
532                 int i;
533
534                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
535                         if (mxb_controls[i].id == qc->id) {
536                                 *qc = mxb_controls[i];
537                                 DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id));
538                                 return 0;
539                         }
540                 }
541                 return -EAGAIN;
542         }
543         case VIDIOC_G_CTRL:
544         {
545                 struct v4l2_control *vc = arg;
546                 int i;
547
548                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
549                         if (mxb_controls[i].id == vc->id) {
550                                 break;
551                         }
552                 }
553                 
554                 if( i < 0 ) {
555                         return -EAGAIN;
556                 }
557                         
558                 switch (vc->id ) {
559                         case V4L2_CID_AUDIO_MUTE: {
560                                 vc->value = mxb->cur_mute;
561                                 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
562                                 return 0;
563                         }
564                 }
565                 
566                 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
567                 return 0;
568         }
569
570         case VIDIOC_S_CTRL:
571         {
572                 struct  v4l2_control    *vc = arg;
573                 int i = 0;
574                 
575                 for (i = MAXCONTROLS - 1; i >= 0; i--) {
576                         if (mxb_controls[i].id == vc->id) {
577                                 break;
578                         }
579                 }
580                 
581                 if( i < 0 ) {
582                         return -EAGAIN;
583                 }
584                 
585                 switch (vc->id ) {
586                         case V4L2_CID_AUDIO_MUTE: {
587                                 mxb->cur_mute = vc->value;
588                                 if( 0 == vc->value ) {
589                                         /* switch the audio-source */
590                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
591                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
592                                 } else {
593                                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
594                                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
595                                 }
596                                 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
597                                 break;
598                         }
599                 }
600                 return 0;
601         }
602         case VIDIOC_G_INPUT:
603         {
604                 int *input = (int *)arg;
605                 *input = mxb->cur_input;
606
607                 DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
608                 return 0;               
609         }       
610         case VIDIOC_S_INPUT:
611         {
612                 int input = *(int *)arg;
613                 struct  tea6415c_multiplex vm;  
614                 int i = 0;
615
616                 DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
617
618                 if (input < 0 || input >= MXB_INPUTS) {
619                         return -EINVAL;
620                 }
621                 
622                 /* fixme: locke das setzen des inputs mit hilfe des mutexes
623                 down(&dev->lock);
624                 video_mux(dev,*i);
625                 up(&dev->lock);
626                 */
627                                 
628                 /* fixme: check if streaming capture
629                 if ( 0 != dev->streaming ) {
630                         DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
631                         return -EPERM;
632                 }
633                 */
634                 
635                 mxb->cur_input = input;
636         
637                 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
638                 
639                 /* prepare switching of tea6415c and saa7111a;
640                    have a look at the 'background'-file for further informations  */
641                 switch( input ) {
642                         
643                         case TUNER:
644                         {
645                                 i = 0;
646                                 vm.in  = 3;
647                                 vm.out = 17;
648                                                                 
649                         if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
650                                         printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
651                                         return -EFAULT;
652                                 }
653                                 /* connect tuner-output always to multicable */
654                                 vm.in  = 3;
655                                 vm.out = 13;
656                                 break;                          
657                         }
658                         case AUX3_YC:
659                         {
660                                 /* nothing to be done here. aux3_yc is
661                                    directly connected to the saa711a */
662                                 i = 5;
663                                 break;
664                         }
665                         case AUX3:
666                         {
667                                 /* nothing to be done here. aux3 is
668                                    directly connected to the saa711a */
669                                 i = 1;
670                                 break;
671                         }
672                         case AUX1:
673                         {
674                                 i = 0;
675                                 vm.in  = 1;
676                                 vm.out = 17;
677                                 break;
678                         }
679                 }
680
681                 /* switch video in tea6415c only if necessary */
682                 switch( input ) {
683                         case TUNER:
684                         case AUX1:
685                         {
686                                 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
687                                         printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
688                                         return -EFAULT;
689                                 }
690                                 break;
691                         }
692                         default:
693                         {
694                                 break;
695                         }
696                 }
697                                 
698                 /* switch video in saa7111a */
699                 if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
700                         printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
701                 }                       
702
703                 /* switch the audio-source only if necessary */
704                 if( 0 == mxb->cur_mute ) {
705                         mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
706                         mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
707                 }
708
709                 return 0;
710         }
711         case VIDIOC_G_TUNER:
712         {
713                 struct v4l2_tuner *t = arg;
714                 int byte = 0;
715
716                 if( 0 != t->index ) {
717                         DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
718                         return -EINVAL;
719                 }
720
721                 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
722
723                 memset(t,0,sizeof(*t));
724                 strcpy(t->name, "Television");
725
726                 t->type = V4L2_TUNER_ANALOG_TV;
727                 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
728                 t->rangelow = 772;      /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
729                 t->rangehigh = 13684;   /* 855.25 MHz / 62.5 kHz = 13684 */
730                 /* FIXME: add the real signal strength here */
731                 t->signal = 0xffff;
732                 t->afc = 0;             
733
734                 mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
735                 t->audmode = mxb->cur_mode;
736                 
737                 if( byte < 0 ) {
738                         t->rxsubchans  = V4L2_TUNER_SUB_MONO;
739                 } else {
740                         switch(byte) {
741                                 case TDA9840_MONO_DETECT: {
742                                         t->rxsubchans   = V4L2_TUNER_SUB_MONO;
743                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
744                                         break;
745                                 }
746                                 case TDA9840_DUAL_DETECT: {
747                                         t->rxsubchans   = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
748                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
749                                         break;
750                                 }
751                                 case TDA9840_STEREO_DETECT: {
752                                         t->rxsubchans   = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
753                                         DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
754                                         break;
755                                 }
756                                 default: { /* TDA9840_INCORRECT_DETECT */
757                                         t->rxsubchans   = V4L2_TUNER_MODE_MONO;
758                                         DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
759                                         break;
760                                 }
761                         }
762                 }
763
764                 return 0;
765         }
766         case VIDIOC_S_TUNER:
767         {
768                 struct v4l2_tuner *t = arg;
769                 int result = 0;
770                 int byte = 0;
771                 
772                 if( 0 != t->index ) {
773                         DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
774                         return -EINVAL;
775                 }
776         
777                 switch(t->audmode) {
778                         case V4L2_TUNER_MODE_STEREO: {
779                                 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
780                                 byte = TDA9840_SET_STEREO;
781                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
782                                 break;
783                         }
784                         case V4L2_TUNER_MODE_LANG1: {
785                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
786                                 byte = TDA9840_SET_LANG1;
787                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
788                                 break;
789                         }
790                         case V4L2_TUNER_MODE_LANG2: {
791                                 mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
792                                 byte = TDA9840_SET_LANG2;
793                                 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
794                                 break;
795                         }
796                         default: { /* case V4L2_TUNER_MODE_MONO: {*/
797                                 mxb->cur_mode = V4L2_TUNER_MODE_MONO;
798                                 byte = TDA9840_SET_MONO;
799                                 DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
800                                 break;
801                         }
802                 }
803
804                 if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
805                         printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
806                 }
807                                 
808                 return 0;
809         }
810         case VIDIOC_G_FREQUENCY:
811         {
812                 struct v4l2_frequency *f = arg;
813
814                 if(0 != mxb->cur_input) {
815                         DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
816                         return -EINVAL;
817                 }
818
819                 memset(f,0,sizeof(*f));
820                 f->type = V4L2_TUNER_ANALOG_TV;
821                 f->frequency =  mxb->cur_freq;
822
823                 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq));
824                 return 0;
825         }
826         case VIDIOC_S_FREQUENCY:
827         {
828                 struct v4l2_frequency *f = arg;
829                 int t_locked = 0;
830                 int v_byte = 0;
831
832                 if (0 != f->tuner)
833                         return -EINVAL;
834
835                 if (V4L2_TUNER_ANALOG_TV != f->type)
836                         return -EINVAL;
837                 
838                 if(0 != mxb->cur_input) {
839                         DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
840                         return -EINVAL;
841                 }
842
843                 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency));
844
845                 mxb->cur_freq = f->frequency;
846
847                 /* tune in desired frequency */                 
848                 mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &mxb->cur_freq);
849
850                 /* check if pll of tuner & saa7111a is locked */
851 //              mxb->tuner->driver->command(mxb->tuner,TUNER_IS_LOCKED, &t_locked);
852                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_GET_STATUS, &v_byte);
853
854                 /* not locked -- anything to do here ? */
855                 if( 0 == t_locked || 0 == (v_byte & DECODER_STATUS_GOOD)) {
856                 }
857
858                 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
859                 spin_lock(&dev->slock);
860                 vv->vbi_fieldcount = 0;
861                 spin_unlock(&dev->slock);
862
863                 return 0;
864         }
865         case MXB_S_AUDIO_CD:
866         {
867                 int i = *(int*)arg;
868                                 
869                 if( i < 0 || i >= MXB_AUDIOS ) {
870                         DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
871                         return -EINVAL;
872                 }
873                 
874                 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
875
876                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
877                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
878
879                 return 0;
880         }
881         case MXB_S_AUDIO_LINE:
882         {
883                 int i = *(int*)arg;
884                                 
885                 if( i < 0 || i >= MXB_AUDIOS ) {
886                         DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
887                         return -EINVAL;
888                 }
889                 
890                 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
891                 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
892                 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
893
894                 return 0;
895         }
896         case VIDIOC_G_AUDIO:
897         {
898                 struct v4l2_audio *a = arg;
899
900                 if( a->index < 0 || a->index > MXB_INPUTS ) {
901                         DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
902                         return -EINVAL;
903                 }
904                 
905                 DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
906                 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
907                 
908                 return 0;
909         }
910         case VIDIOC_S_AUDIO:
911         {
912                 struct v4l2_audio *a = arg;
913                 DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
914                 return 0;
915         }       
916         default:
917 /*
918                 DEB2(printk("does not handle this ioctl.\n"));
919 */
920                 return -ENOIOCTLCMD;
921         }
922         return 0;
923 }
924
925 static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
926 {
927         struct mxb* mxb = (struct mxb*)dev->ext_priv;
928         int zero = 0;
929         int one = 1;
930
931         if(V4L2_STD_PAL_I == std->id ) {
932                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
933                 /* set the 7146 gpio register -- I don't know what this does exactly */
934                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
935                 /* unset the 7111 gpio register -- I don't know what this does exactly */
936                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
937         } else {
938                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
939                 /* set the 7146 gpio register -- I don't know what this does exactly */
940                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
941                 /* set the 7111 gpio register -- I don't know what this does exactly */
942                 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
943         }
944         return 0;
945 }
946
947 static struct saa7146_standard standard[] = {
948         {
949                 .name   = "PAL-BG",     .id     = V4L2_STD_PAL_BG,
950                 .v_offset       = 0x17, .v_field        = 288,
951                 .h_offset       = 0x14, .h_pixels       = 680,
952                 .v_max_out      = 576,  .h_max_out      = 768,
953         }, {
954                 .name   = "PAL-I",      .id     = V4L2_STD_PAL_I,
955                 .v_offset       = 0x17, .v_field        = 288,
956                 .h_offset       = 0x14, .h_pixels       = 680,
957                 .v_max_out      = 576,  .h_max_out      = 768,
958         }, {
959                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
960                 .v_offset       = 0x16, .v_field        = 240,
961                 .h_offset       = 0x06, .h_pixels       = 708,
962                 .v_max_out      = 480,  .h_max_out      = 640,
963         }, {
964                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
965                 .v_offset       = 0x14, .v_field        = 288,
966                 .h_offset       = 0x14, .h_pixels       = 720,
967                 .v_max_out      = 576,  .h_max_out      = 768,
968         }
969 };
970
971 static struct saa7146_pci_extension_data mxb = {
972         .ext_priv = "Multimedia eXtension Board",
973         .ext = &extension,
974 };
975
976 static struct pci_device_id pci_tbl[] = {
977         {
978                 .vendor    = PCI_VENDOR_ID_PHILIPS,
979                 .device    = PCI_DEVICE_ID_PHILIPS_SAA7146,
980                 .subvendor = 0x0000,
981                 .subdevice = 0x0000,
982                 .driver_data = (unsigned long)&mxb,
983         }, {
984                 .vendor = 0,
985         }
986 };
987
988 MODULE_DEVICE_TABLE(pci, pci_tbl);
989
990 static struct saa7146_ext_vv vv_data = {
991         .inputs         = MXB_INPUTS,
992         .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
993         .stds           = &standard[0],
994         .num_stds       = sizeof(standard)/sizeof(struct saa7146_standard),
995         .std_callback   = &std_callback, 
996         .ioctls         = &ioctls[0],
997         .ioctl          = mxb_ioctl,
998 };
999
1000 static struct saa7146_extension extension = {
1001         .name           = MXB_IDENTIFIER,
1002         .flags          = SAA7146_USE_I2C_IRQ,
1003         
1004         .pci_tbl        = &pci_tbl[0],
1005         .module         = THIS_MODULE,
1006
1007         .probe          = mxb_probe,
1008         .attach         = mxb_attach,
1009         .detach         = mxb_detach,
1010
1011         .irq_mask       = 0,
1012         .irq_func       = NULL,
1013 };      
1014
1015 static int __init mxb_init_module(void)
1016 {
1017         if( 0 != saa7146_register_extension(&extension)) {
1018                 DEB_S(("failed to register extension.\n"));
1019                 return -ENODEV;
1020         }
1021         
1022         return 0;
1023 }
1024
1025 static void __exit mxb_cleanup_module(void)
1026 {
1027         saa7146_unregister_extension(&extension);
1028 }
1029
1030 module_init(mxb_init_module);
1031 module_exit(mxb_cleanup_module);
1032
1033 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
1034 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
1035 MODULE_LICENSE("GPL");