2 mxb - v4l2 driver for the Multimedia eXtension Board
4 Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de>
6 Visit http://www.mihu.de/linux/saa7146/mxb/
7 for further details about this card.
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.
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.
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.
24 #define DEBUG_VARIABLE debug
26 #include <media/saa7146_vv.h>
27 #include <media/tuner.h>
28 #include <linux/video_decoder.h>
35 #define I2C_SAA7111 0x24
37 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
40 static int mxb_num = 0;
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");
50 module_param(debug, int, 0644);
51 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
54 enum { TUNER, AUX1, AUX3, AUX3_YC };
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 },
63 /* this array holds the information, which port of the saa7146 each
64 input actually uses. the mxb uses port 0 for every input */
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 },
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] =
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] =
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 */
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] =
103 {{6,3,0},{6,2,0}} /* Mute */
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 },
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 */
131 struct video_device *video_dev;
132 struct video_device *vbi_dev;
134 struct i2c_adapter i2c_adapter;
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;
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 */
149 static struct saa7146_extension extension;
151 static int mxb_probe(struct saa7146_dev* dev)
153 struct mxb* mxb = NULL;
154 struct i2c_client *client;
155 struct list_head *item;
158 if ((result = request_module("saa7111")) < 0) {
159 printk("mxb: saa7111 i2c module not available.\n");
162 if ((result = request_module("tuner")) < 0) {
163 printk("mxb: tuner i2c module not available.\n");
166 if ((result = request_module("tea6420")) < 0) {
167 printk("mxb: tea6420 i2c module not available.\n");
170 if ((result = request_module("tea6415c")) < 0) {
171 printk("mxb: tea6415c i2c module not available.\n");
174 if ((result = request_module("tda9840")) < 0) {
175 printk("mxb: tda9840 i2c module not available.\n");
179 mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL);
181 DEB_D(("not enough kernel memory.\n"));
184 memset(mxb, 0x0, sizeof(struct mxb));
186 mxb->i2c_adapter = (struct i2c_adapter) {
187 .class = I2C_CLASS_TV_ANALOG,
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"));
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 )
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 ) {
219 printk("mxb: did not find all i2c devices. aborting\n");
220 i2c_del_adapter(&mxb->i2c_adapter);
225 /* all devices are present, probe was successful */
227 /* we store the pointer in our private data field */
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 */
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 } },
289 static const unsigned char mxb_saa7111_init[] = {
290 0x00, 0x00, /* 00 - ID byte */
291 0x01, 0x00, /* 01 - reserved */
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 */
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 */
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)
326 struct mxb* mxb = (struct mxb*)dev->ext_priv;
327 struct video_decoder_init init;
331 struct tea6415c_multiplex vm;
333 /* select video mode in saa7111a */
335 /* fixme: currently pointless: gets overwritten by configuration below */
336 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
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);
343 /* select tuner-output on saa7111a */
345 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
347 /* enable vbi bypass */
349 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
351 /* select a tuner type */
353 mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE, &i);
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]);
361 /* switch to tuner-channel on tea6415c*/
364 mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
366 /* select tuner-output on multicable on tea6415c*/
369 mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
371 /* tune in some frequency on tuner */
372 mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &freq);
374 /* the rest for mxb */
376 mxb->cur_freq = freq;
379 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
380 mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
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
388 msg.len = mxb_saa7740_init[0].length;
389 msg.buf = &mxb_saa7740_init[0].data[0];
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;
399 if( -1 == mxb_saa7740_init[i].length ) {
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"));
410 INFO(("'sound arena module' detected.\n"));
413 /* the rest for saa7146: you should definitely set some basic values
414 for the input-port handling of the saa7146. */
416 /* ext->saa has been filled by the core driver */
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);
421 /* some stuff is done via direct write to the registers */
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));
432 /* interrupt-handler. this gets called when irq_mask is != 0.
433 it must clear the interrupt-bits in irq_mask it has handled */
435 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
437 struct mxb* mxb = (struct mxb*)dev->ext_priv;
441 static struct saa7146_ext_vv vv_data;
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)
446 struct mxb* mxb = (struct mxb*)dev->ext_priv;
448 DEB_EE(("dev:%p\n",dev));
450 /* checking for i2c-devices can be omitted here, because we
451 already did this in "mxb_vl42_probe" */
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"));
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"));
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);
473 printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
480 static int mxb_detach(struct saa7146_dev* dev)
482 struct mxb* mxb = (struct mxb*)dev->ext_priv;
484 DEB_EE(("dev:%p\n",dev));
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);
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);
497 saa7146_vv_release(dev);
501 i2c_del_adapter(&mxb->i2c_adapter);
507 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
509 struct saa7146_dev *dev = fh->dev;
510 struct mxb* mxb = (struct mxb*)dev->ext_priv;
511 struct saa7146_vv *vv = dev->vv_data;
514 case VIDIOC_ENUMINPUT:
516 struct v4l2_input *i = arg;
518 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
519 if( i->index < 0 || i->index >= MXB_INPUTS) {
522 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
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:
531 struct v4l2_queryctrl *qc = arg;
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));
545 struct v4l2_control *vc = arg;
548 for (i = MAXCONTROLS - 1; i >= 0; i--) {
549 if (mxb_controls[i].id == 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));
566 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
572 struct v4l2_control *vc = arg;
575 for (i = MAXCONTROLS - 1; i >= 0; i--) {
576 if (mxb_controls[i].id == 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]);
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]);
596 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
604 int *input = (int *)arg;
605 *input = mxb->cur_input;
607 DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
612 int input = *(int *)arg;
613 struct tea6415c_multiplex vm;
616 DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
618 if (input < 0 || input >= MXB_INPUTS) {
622 /* fixme: locke das setzen des inputs mit hilfe des mutexes
628 /* fixme: check if streaming capture
629 if ( 0 != dev->streaming ) {
630 DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
635 mxb->cur_input = input;
637 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
639 /* prepare switching of tea6415c and saa7111a;
640 have a look at the 'background'-file for further informations */
649 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
650 printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
653 /* connect tuner-output always to multicable */
660 /* nothing to be done here. aux3_yc is
661 directly connected to the saa711a */
667 /* nothing to be done here. aux3 is
668 directly connected to the saa711a */
681 /* switch video in tea6415c only if necessary */
686 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
687 printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
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");
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]);
713 struct v4l2_tuner *t = arg;
716 if( 0 != t->index ) {
717 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
721 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
723 memset(t,0,sizeof(*t));
724 strcpy(t->name, "Television");
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 */
734 mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
735 t->audmode = mxb->cur_mode;
738 t->rxsubchans = V4L2_TUNER_SUB_MONO;
741 case TDA9840_MONO_DETECT: {
742 t->rxsubchans = V4L2_TUNER_SUB_MONO;
743 DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
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"));
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"));
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"));
768 struct v4l2_tuner *t = arg;
772 if( 0 != t->index ) {
773 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
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"));
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"));
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"));
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"));
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);
810 case VIDIOC_G_FREQUENCY:
812 struct v4l2_frequency *f = arg;
814 if(0 != mxb->cur_input) {
815 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
819 memset(f,0,sizeof(*f));
820 f->type = V4L2_TUNER_ANALOG_TV;
821 f->frequency = mxb->cur_freq;
823 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq));
826 case VIDIOC_S_FREQUENCY:
828 struct v4l2_frequency *f = arg;
835 if (V4L2_TUNER_ANALOG_TV != f->type)
838 if(0 != mxb->cur_input) {
839 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
843 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency));
845 mxb->cur_freq = f->frequency;
847 /* tune in desired frequency */
848 mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &mxb->cur_freq);
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);
854 /* not locked -- anything to do here ? */
855 if( 0 == t_locked || 0 == (v_byte & DECODER_STATUS_GOOD)) {
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);
869 if( i < 0 || i >= MXB_AUDIOS ) {
870 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
874 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
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]);
881 case MXB_S_AUDIO_LINE:
885 if( i < 0 || i >= MXB_AUDIOS ) {
886 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
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]);
898 struct v4l2_audio *a = arg;
900 if( a->index < 0 || a->index > MXB_INPUTS ) {
901 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
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));
912 struct v4l2_audio *a = arg;
913 DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
918 DEB2(printk("does not handle this ioctl.\n"));
925 static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
927 struct mxb* mxb = (struct mxb*)dev->ext_priv;
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);
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);
947 static struct saa7146_standard standard[] = {
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,
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,
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,
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,
971 static struct saa7146_pci_extension_data mxb = {
972 .ext_priv = "Multimedia eXtension Board",
976 static struct pci_device_id pci_tbl[] = {
978 .vendor = PCI_VENDOR_ID_PHILIPS,
979 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
982 .driver_data = (unsigned long)&mxb,
988 MODULE_DEVICE_TABLE(pci, pci_tbl);
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],
1000 static struct saa7146_extension extension = {
1001 .name = MXB_IDENTIFIER,
1002 .flags = SAA7146_USE_I2C_IRQ,
1004 .pci_tbl = &pci_tbl[0],
1005 .module = THIS_MODULE,
1008 .attach = mxb_attach,
1009 .detach = mxb_detach,
1015 static int __init mxb_init_module(void)
1017 if( 0 != saa7146_register_extension(&extension)) {
1018 DEB_S(("failed to register extension.\n"));
1025 static void __exit mxb_cleanup_module(void)
1027 saa7146_unregister_extension(&extension);
1030 module_init(mxb_init_module);
1031 module_exit(mxb_cleanup_module);
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");