2 mxb - v4l2 driver for the Multimedia eXtension Board
4 Copyright (C) 1998-2006 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>
29 #include <media/v4l2-common.h>
36 #define I2C_SAA7111 0x24
38 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
41 static int mxb_num = 0;
43 /* initial frequence the tuner will be tuned to.
44 in verden (lower saxony, germany) 4148 is a
45 channel called "phoenix" */
46 static int freq = 4148;
47 module_param(freq, int, 0644);
48 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
51 module_param(debug, int, 0644);
52 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
55 enum { TUNER, AUX1, AUX3, AUX3_YC };
57 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
58 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
59 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
60 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
61 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
64 /* this array holds the information, which port of the saa7146 each
65 input actually uses. the mxb uses port 0 for every input */
69 } input_port_selection[MXB_INPUTS] = {
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 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
76 /* this array holds the information of the audio source (mxb_audios),
77 which has to be switched corresponding to the video source (mxb_channels) */
78 static int video_audio_connect[MXB_INPUTS] =
81 /* these are the necessary input-output-pins for bringing one audio source
82 (see above) to the CD-output */
83 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
85 {{1,1,0},{1,1,0}}, /* Tuner */
86 {{5,1,0},{6,1,0}}, /* AUX 1 */
87 {{4,1,0},{6,1,0}}, /* AUX 2 */
88 {{3,1,0},{6,1,0}}, /* AUX 3 */
89 {{1,1,0},{3,1,0}}, /* Radio */
90 {{1,1,0},{2,1,0}}, /* CD-Rom */
91 {{6,1,0},{6,1,0}} /* Mute */
94 /* these are the necessary input-output-pins for bringing one audio source
95 (see above) to the line-output */
96 static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
104 {{6,3,0},{6,2,0}} /* Mute */
107 #define MAXCONTROLS 1
108 static struct v4l2_queryctrl mxb_controls[] = {
109 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
112 static struct saa7146_extension_ioctls ioctls[] = {
113 { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
114 { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
115 { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
116 { VIDIOC_QUERYCTRL, SAA7146_BEFORE },
117 { VIDIOC_G_CTRL, SAA7146_BEFORE },
118 { VIDIOC_S_CTRL, SAA7146_BEFORE },
119 { VIDIOC_G_TUNER, SAA7146_EXCLUSIVE },
120 { VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
121 { VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE },
122 { VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE },
123 { VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
124 { VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
125 { MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */
126 { MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */
132 struct video_device *video_dev;
133 struct video_device *vbi_dev;
135 struct i2c_adapter i2c_adapter;
137 struct i2c_client* saa7111a;
138 struct i2c_client* tda9840;
139 struct i2c_client* tea6415c;
140 struct i2c_client* tuner;
141 struct i2c_client* tea6420_1;
142 struct i2c_client* tea6420_2;
144 int cur_mode; /* current audio mode (mono, stereo, ...) */
145 int cur_input; /* current input */
146 int cur_mute; /* current mute status */
147 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
150 static struct saa7146_extension extension;
152 static int mxb_check_clients(struct device *dev, void *data)
154 struct mxb* mxb = data;
155 struct i2c_client *client = i2c_verify_client(dev);
160 if( I2C_ADDR_TEA6420_1 == client->addr )
161 mxb->tea6420_1 = client;
162 if( I2C_ADDR_TEA6420_2 == client->addr )
163 mxb->tea6420_2 = client;
164 if( I2C_TEA6415C_2 == client->addr )
165 mxb->tea6415c = client;
166 if( I2C_ADDR_TDA9840 == client->addr )
167 mxb->tda9840 = client;
168 if( I2C_SAA7111 == client->addr )
169 mxb->saa7111a = client;
170 if( 0x60 == client->addr )
176 static int mxb_probe(struct saa7146_dev* dev)
178 struct mxb* mxb = NULL;
181 if ((result = request_module("saa7111")) < 0) {
182 printk("mxb: saa7111 i2c module not available.\n");
185 if ((result = request_module("tea6420")) < 0) {
186 printk("mxb: tea6420 i2c module not available.\n");
189 if ((result = request_module("tea6415c")) < 0) {
190 printk("mxb: tea6415c i2c module not available.\n");
193 if ((result = request_module("tda9840")) < 0) {
194 printk("mxb: tda9840 i2c module not available.\n");
197 if ((result = request_module("tuner")) < 0) {
198 printk("mxb: tuner i2c module not available.\n");
202 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
204 DEB_D(("not enough kernel memory.\n"));
208 mxb->i2c_adapter = (struct i2c_adapter) {
209 .class = I2C_CLASS_TV_ANALOG,
213 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
214 if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
215 DEB_S(("cannot register i2c-device. skipping.\n"));
220 /* loop through all i2c-devices on the bus and look who is there */
221 device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
223 /* check if all devices are present */
224 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
225 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
226 printk("mxb: did not find all i2c devices. aborting\n");
227 i2c_del_adapter(&mxb->i2c_adapter);
232 /* all devices are present, probe was successful */
234 /* we store the pointer in our private data field */
240 /* some init data for the saa7740, the so-called 'sound arena module'.
241 there are no specs available, so we simply use some init values */
245 } mxb_saa7740_init[] = {
246 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
247 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
248 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
249 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
250 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
251 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
252 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
253 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
254 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
255 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
256 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
257 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
258 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
259 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
260 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
261 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
262 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
263 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
264 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
265 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
266 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
267 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
268 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
269 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
270 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
271 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
272 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
273 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
274 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
275 { 3, { 0x48, 0x00, 0x01 } },
276 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
277 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
278 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
279 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
280 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
281 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
282 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
283 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
284 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
285 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
286 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
287 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
288 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
289 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
290 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
291 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
292 { 3, { 0x80, 0xb3, 0x0a } },
296 static const unsigned char mxb_saa7111_init[] = {
297 0x00, 0x00, /* 00 - ID byte */
298 0x01, 0x00, /* 01 - reserved */
301 0x02, 0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */
302 0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
303 0x04, 0x00, /* 04 - GAI1=256 */
304 0x05, 0x00, /* 05 - GAI2=256 */
307 0x06, 0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */
308 0x07, 0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */
309 0x08, 0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
310 0x09, 0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
311 0x0a, 0x80, /* 0a - BRIG=128 */
312 0x0b, 0x47, /* 0b - CONT=1.109 */
313 0x0c, 0x40, /* 0c - SATN=1.0 */
314 0x0d, 0x00, /* 0d - HUE=0 */
315 0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
316 0x0f, 0x00, /* 0f - reserved */
317 0x10, 0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
318 0x11, 0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
319 0x12, 0x80, /* 12 - xx output control 2 */
320 0x13, 0x30, /* 13 - xx output control 3 */
321 0x14, 0x00, /* 14 - reserved */
322 0x15, 0x15, /* 15 - VBI */
323 0x16, 0x04, /* 16 - VBI */
324 0x17, 0x00, /* 17 - VBI */
327 /* bring hardware to a sane state. this has to be done, just in case someone
328 wants to capture from this device before it has been properly initialized.
329 the capture engine would badly fail, because no valid signal arrives on the
330 saa7146, thus leading to timeouts and stuff. */
331 static int mxb_init_done(struct saa7146_dev* dev)
333 struct mxb* mxb = (struct mxb*)dev->ext_priv;
334 struct video_decoder_init init;
336 struct tuner_setup tun_setup;
337 v4l2_std_id std = V4L2_STD_PAL_BG;
340 struct tea6415c_multiplex vm;
342 /* select video mode in saa7111a */
344 /* fixme: currently pointless: gets overwritten by configuration below */
345 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
347 /* write configuration to saa7111a */
348 init.data = mxb_saa7111_init;
349 init.len = sizeof(mxb_saa7111_init);
350 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init);
352 /* select tuner-output on saa7111a */
354 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
356 /* enable vbi bypass */
358 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
360 /* select a tuner type */
361 tun_setup.mode_mask = T_ANALOG_TV;
362 tun_setup.addr = ADDR_UNSET;
363 tun_setup.type = TUNER_PHILIPS_PAL;
364 mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE_ADDR, &tun_setup);
365 /* tune in some frequency on tuner */
366 mxb->cur_freq.tuner = 0;
367 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
368 mxb->cur_freq.frequency = freq;
369 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY,
372 /* set a default video standard */
373 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
375 /* mute audio on tea6420s */
376 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
377 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
378 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]);
379 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]);
381 /* switch to tuner-channel on tea6415c*/
384 mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
386 /* select tuner-output on multicable on tea6415c*/
389 mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
391 /* the rest for mxb */
395 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
396 mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
398 /* check if the saa7740 (aka 'sound arena module') is present
399 on the mxb. if so, we must initialize it. due to lack of
400 informations about the saa7740, the values were reverse
404 msg.len = mxb_saa7740_init[0].length;
405 msg.buf = &mxb_saa7740_init[0].data[0];
407 if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
408 /* the sound arena module is a pos, that's probably the reason
409 philips refuses to hand out a datasheet for the saa7740...
410 it seems to screw up the i2c bus, so we disable fast irq
411 based i2c transactions here and rely on the slow and safe
412 polling method ... */
413 extension.flags &= ~SAA7146_USE_I2C_IRQ;
415 if( -1 == mxb_saa7740_init[i].length ) {
419 msg.len = mxb_saa7740_init[i].length;
420 msg.buf = &mxb_saa7740_init[i].data[0];
421 if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
422 DEB_D(("failed to initialize 'sound arena module'.\n"));
426 INFO(("'sound arena module' detected.\n"));
429 /* the rest for saa7146: you should definitely set some basic values
430 for the input-port handling of the saa7146. */
432 /* ext->saa has been filled by the core driver */
434 /* some stuff is done via variables */
435 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
437 /* some stuff is done via direct write to the registers */
439 /* this is ugly, but because of the fact that this is completely
440 hardware dependend, it should be done directly... */
441 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
442 saa7146_write(dev, DD1_INIT, 0x02000200);
443 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
448 /* interrupt-handler. this gets called when irq_mask is != 0.
449 it must clear the interrupt-bits in irq_mask it has handled */
451 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
453 struct mxb* mxb = (struct mxb*)dev->ext_priv;
457 static struct saa7146_ext_vv vv_data;
459 /* this function only gets called when the probing was successful */
460 static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
462 struct mxb* mxb = (struct mxb*)dev->ext_priv;
464 DEB_EE(("dev:%p\n",dev));
466 /* checking for i2c-devices can be omitted here, because we
467 already did this in "mxb_vl42_probe" */
469 saa7146_vv_init(dev,&vv_data);
470 if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
471 ERR(("cannot register capture v4l2 device. skipping.\n"));
475 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
476 if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
477 if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
478 ERR(("cannot register vbi v4l2 device. skipping.\n"));
482 i2c_use_client(mxb->tea6420_1);
483 i2c_use_client(mxb->tea6420_2);
484 i2c_use_client(mxb->tea6415c);
485 i2c_use_client(mxb->tda9840);
486 i2c_use_client(mxb->saa7111a);
487 i2c_use_client(mxb->tuner);
489 printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
496 static int mxb_detach(struct saa7146_dev* dev)
498 struct mxb* mxb = (struct mxb*)dev->ext_priv;
500 DEB_EE(("dev:%p\n",dev));
502 i2c_release_client(mxb->tea6420_1);
503 i2c_release_client(mxb->tea6420_2);
504 i2c_release_client(mxb->tea6415c);
505 i2c_release_client(mxb->tda9840);
506 i2c_release_client(mxb->saa7111a);
507 i2c_release_client(mxb->tuner);
509 saa7146_unregister_device(&mxb->video_dev,dev);
510 if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
511 saa7146_unregister_device(&mxb->vbi_dev,dev);
513 saa7146_vv_release(dev);
517 i2c_del_adapter(&mxb->i2c_adapter);
523 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
525 struct saa7146_dev *dev = fh->dev;
526 struct mxb* mxb = (struct mxb*)dev->ext_priv;
527 struct saa7146_vv *vv = dev->vv_data;
530 case VIDIOC_ENUMINPUT:
532 struct v4l2_input *i = arg;
534 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
535 if( i->index < 0 || i->index >= MXB_INPUTS) {
538 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
542 /* the saa7146 provides some controls (brightness, contrast, saturation)
543 which gets registered *after* this function. because of this we have
544 to return with a value != 0 even if the function succeded.. */
545 case VIDIOC_QUERYCTRL:
547 struct v4l2_queryctrl *qc = arg;
550 for (i = MAXCONTROLS - 1; i >= 0; i--) {
551 if (mxb_controls[i].id == qc->id) {
552 *qc = mxb_controls[i];
553 DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id));
561 struct v4l2_control *vc = arg;
564 for (i = MAXCONTROLS - 1; i >= 0; i--) {
565 if (mxb_controls[i].id == vc->id) {
575 case V4L2_CID_AUDIO_MUTE: {
576 vc->value = mxb->cur_mute;
577 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
582 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
588 struct v4l2_control *vc = arg;
591 for (i = MAXCONTROLS - 1; i >= 0; i--) {
592 if (mxb_controls[i].id == vc->id) {
602 case V4L2_CID_AUDIO_MUTE: {
603 mxb->cur_mute = vc->value;
604 if( 0 == vc->value ) {
605 /* switch the audio-source */
606 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
607 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
609 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
610 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
612 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
620 int *input = (int *)arg;
621 *input = mxb->cur_input;
623 DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
628 int input = *(int *)arg;
629 struct tea6415c_multiplex vm;
632 DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
634 if (input < 0 || input >= MXB_INPUTS) {
638 /* fixme: locke das setzen des inputs mit hilfe des mutexes
639 mutex_lock(&dev->lock);
641 mutex_unlock(&dev->lock);
644 /* fixme: check if streaming capture
645 if ( 0 != dev->streaming ) {
646 DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
651 mxb->cur_input = input;
653 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
655 /* prepare switching of tea6415c and saa7111a;
656 have a look at the 'background'-file for further informations */
665 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
666 printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
669 /* connect tuner-output always to multicable */
676 /* nothing to be done here. aux3_yc is
677 directly connected to the saa711a */
683 /* nothing to be done here. aux3 is
684 directly connected to the saa711a */
697 /* switch video in tea6415c only if necessary */
702 if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
703 printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
714 /* switch video in saa7111a */
715 if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
716 printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
719 /* switch the audio-source only if necessary */
720 if( 0 == mxb->cur_mute ) {
721 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
722 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
729 struct v4l2_tuner *t = arg;
732 if( 0 != t->index ) {
733 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
737 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
739 memset(t,0,sizeof(*t));
740 strcpy(t->name, "Television");
742 t->type = V4L2_TUNER_ANALOG_TV;
743 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
744 t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
745 t->rangehigh = 13684; /* 855.25 MHz / 62.5 kHz = 13684 */
746 /* FIXME: add the real signal strength here */
750 mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
751 t->audmode = mxb->cur_mode;
754 t->rxsubchans = V4L2_TUNER_SUB_MONO;
757 case TDA9840_MONO_DETECT: {
758 t->rxsubchans = V4L2_TUNER_SUB_MONO;
759 DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
762 case TDA9840_DUAL_DETECT: {
763 t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
764 DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
767 case TDA9840_STEREO_DETECT: {
768 t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
769 DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
772 default: { /* TDA9840_INCORRECT_DETECT */
773 t->rxsubchans = V4L2_TUNER_MODE_MONO;
774 DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
784 struct v4l2_tuner *t = arg;
788 if( 0 != t->index ) {
789 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
794 case V4L2_TUNER_MODE_STEREO: {
795 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
796 byte = TDA9840_SET_STEREO;
797 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
800 case V4L2_TUNER_MODE_LANG1_LANG2: {
801 mxb->cur_mode = V4L2_TUNER_MODE_LANG1_LANG2;
802 byte = TDA9840_SET_BOTH;
803 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1_LANG2\n"));
806 case V4L2_TUNER_MODE_LANG1: {
807 mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
808 byte = TDA9840_SET_LANG1;
809 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
812 case V4L2_TUNER_MODE_LANG2: {
813 mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
814 byte = TDA9840_SET_LANG2;
815 DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
818 default: { /* case V4L2_TUNER_MODE_MONO: {*/
819 mxb->cur_mode = V4L2_TUNER_MODE_MONO;
820 byte = TDA9840_SET_MONO;
821 DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
826 if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
827 printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
832 case VIDIOC_G_FREQUENCY:
834 struct v4l2_frequency *f = arg;
836 if(0 != mxb->cur_input) {
837 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
843 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
846 case VIDIOC_S_FREQUENCY:
848 struct v4l2_frequency *f = arg;
853 if (V4L2_TUNER_ANALOG_TV != f->type)
856 if(0 != mxb->cur_input) {
857 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
862 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
864 /* tune in desired frequency */
865 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);
867 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
868 spin_lock(&dev->slock);
869 vv->vbi_fieldcount = 0;
870 spin_unlock(&dev->slock);
878 if( i < 0 || i >= MXB_AUDIOS ) {
879 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
883 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
885 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
886 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
890 case MXB_S_AUDIO_LINE:
894 if( i < 0 || i >= MXB_AUDIOS ) {
895 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
899 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
900 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
901 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
907 struct v4l2_audio *a = arg;
909 if( a->index < 0 || a->index > MXB_INPUTS ) {
910 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
914 DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
915 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
921 struct v4l2_audio *a = arg;
922 DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
927 DEB2(printk("does not handle this ioctl.\n"));
934 static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
936 struct mxb* mxb = (struct mxb*)dev->ext_priv;
940 if(V4L2_STD_PAL_I == std->id ) {
941 v4l2_std_id std = V4L2_STD_PAL_I;
942 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
943 /* set the 7146 gpio register -- I don't know what this does exactly */
944 saa7146_write(dev, GPIO_CTRL, 0x00404050);
945 /* unset the 7111 gpio register -- I don't know what this does exactly */
946 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
947 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
949 v4l2_std_id std = V4L2_STD_PAL_BG;
950 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
951 /* set the 7146 gpio register -- I don't know what this does exactly */
952 saa7146_write(dev, GPIO_CTRL, 0x00404050);
953 /* set the 7111 gpio register -- I don't know what this does exactly */
954 mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
955 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
960 static struct saa7146_standard standard[] = {
962 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
963 .v_offset = 0x17, .v_field = 288,
964 .h_offset = 0x14, .h_pixels = 680,
965 .v_max_out = 576, .h_max_out = 768,
967 .name = "PAL-I", .id = V4L2_STD_PAL_I,
968 .v_offset = 0x17, .v_field = 288,
969 .h_offset = 0x14, .h_pixels = 680,
970 .v_max_out = 576, .h_max_out = 768,
972 .name = "NTSC", .id = V4L2_STD_NTSC,
973 .v_offset = 0x16, .v_field = 240,
974 .h_offset = 0x06, .h_pixels = 708,
975 .v_max_out = 480, .h_max_out = 640,
977 .name = "SECAM", .id = V4L2_STD_SECAM,
978 .v_offset = 0x14, .v_field = 288,
979 .h_offset = 0x14, .h_pixels = 720,
980 .v_max_out = 576, .h_max_out = 768,
984 static struct saa7146_pci_extension_data mxb = {
985 .ext_priv = "Multimedia eXtension Board",
989 static struct pci_device_id pci_tbl[] = {
991 .vendor = PCI_VENDOR_ID_PHILIPS,
992 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
995 .driver_data = (unsigned long)&mxb,
1001 MODULE_DEVICE_TABLE(pci, pci_tbl);
1003 static struct saa7146_ext_vv vv_data = {
1004 .inputs = MXB_INPUTS,
1005 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
1006 .stds = &standard[0],
1007 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
1008 .std_callback = &std_callback,
1009 .ioctls = &ioctls[0],
1013 static struct saa7146_extension extension = {
1014 .name = MXB_IDENTIFIER,
1015 .flags = SAA7146_USE_I2C_IRQ,
1017 .pci_tbl = &pci_tbl[0],
1018 .module = THIS_MODULE,
1021 .attach = mxb_attach,
1022 .detach = mxb_detach,
1028 static int __init mxb_init_module(void)
1030 if( 0 != saa7146_register_extension(&extension)) {
1031 DEB_S(("failed to register extension.\n"));
1038 static void __exit mxb_cleanup_module(void)
1040 saa7146_unregister_extension(&extension);
1043 module_init(mxb_init_module);
1044 module_exit(mxb_cleanup_module);
1046 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
1047 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
1048 MODULE_LICENSE("GPL");