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>
30 #include <media/saa7115.h>
37 #define I2C_SAA7111 0x24
39 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
44 /* initial frequence the tuner will be tuned to.
45 in verden (lower saxony, germany) 4148 is a
46 channel called "phoenix" */
47 static int freq = 4148;
48 module_param(freq, int, 0644);
49 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
52 module_param(debug, int, 0644);
53 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
56 enum { TUNER, AUX1, AUX3, AUX3_YC };
58 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
59 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
60 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
61 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
62 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
65 /* this array holds the information, which port of the saa7146 each
66 input actually uses. the mxb uses port 0 for every input */
70 } input_port_selection[MXB_INPUTS] = {
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 },
74 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
77 /* this array holds the information of the audio source (mxb_audios),
78 which has to be switched corresponding to the video source (mxb_channels) */
79 static int video_audio_connect[MXB_INPUTS] =
82 /* these are the necessary input-output-pins for bringing one audio source
83 (see above) to the CD-output */
84 static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
86 {{1,1,0},{1,1,0}}, /* Tuner */
87 {{5,1,0},{6,1,0}}, /* AUX 1 */
88 {{4,1,0},{6,1,0}}, /* AUX 2 */
89 {{3,1,0},{6,1,0}}, /* AUX 3 */
90 {{1,1,0},{3,1,0}}, /* Radio */
91 {{1,1,0},{2,1,0}}, /* CD-Rom */
92 {{6,1,0},{6,1,0}} /* Mute */
95 /* these are the necessary input-output-pins for bringing one audio source
96 (see above) to the line-output */
97 static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
105 {{6,3,0},{6,2,0}} /* Mute */
108 #define MAXCONTROLS 1
109 static struct v4l2_queryctrl mxb_controls[] = {
110 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
113 static struct saa7146_extension_ioctls ioctls[] = {
114 { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
115 { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
116 { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
117 { VIDIOC_QUERYCTRL, SAA7146_BEFORE },
118 { VIDIOC_G_CTRL, SAA7146_BEFORE },
119 { VIDIOC_S_CTRL, SAA7146_BEFORE },
120 { VIDIOC_G_TUNER, SAA7146_EXCLUSIVE },
121 { VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
122 { VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE },
123 { VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE },
124 { VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
125 { VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
126 { VIDIOC_DBG_G_REGISTER, SAA7146_EXCLUSIVE },
127 { VIDIOC_DBG_S_REGISTER, SAA7146_EXCLUSIVE },
128 { MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */
129 { MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */
135 struct video_device *video_dev;
136 struct video_device *vbi_dev;
138 struct i2c_adapter i2c_adapter;
140 struct i2c_client *saa7111a;
141 struct i2c_client *tda9840;
142 struct i2c_client *tea6415c;
143 struct i2c_client *tuner;
144 struct i2c_client *tea6420_1;
145 struct i2c_client *tea6420_2;
147 int cur_mode; /* current audio mode (mono, stereo, ...) */
148 int cur_input; /* current input */
149 int cur_mute; /* current mute status */
150 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
153 static struct saa7146_extension extension;
155 static int mxb_check_clients(struct device *dev, void *data)
157 struct mxb *mxb = data;
158 struct i2c_client *client = i2c_verify_client(dev);
163 if (I2C_ADDR_TEA6420_1 == client->addr)
164 mxb->tea6420_1 = client;
165 if (I2C_ADDR_TEA6420_2 == client->addr)
166 mxb->tea6420_2 = client;
167 if (I2C_TEA6415C_2 == client->addr)
168 mxb->tea6415c = client;
169 if (I2C_ADDR_TDA9840 == client->addr)
170 mxb->tda9840 = client;
171 if (I2C_SAA7111 == client->addr)
172 mxb->saa7111a = client;
173 if (0x60 == client->addr)
179 static int mxb_probe(struct saa7146_dev* dev)
181 struct mxb* mxb = NULL;
184 result = request_module("saa7115");
186 printk("mxb: saa7111 i2c module not available.\n");
189 result = request_module("tea6420");
191 printk("mxb: tea6420 i2c module not available.\n");
194 result = request_module("tea6415c");
196 printk("mxb: tea6415c i2c module not available.\n");
199 result = request_module("tda9840");
201 printk("mxb: tda9840 i2c module not available.\n");
204 result = request_module("tuner");
206 printk("mxb: tuner i2c module not available.\n");
210 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
212 DEB_D(("not enough kernel memory.\n"));
216 mxb->i2c_adapter = (struct i2c_adapter) {
217 .class = I2C_CLASS_TV_ANALOG,
220 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
222 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
223 if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
224 DEB_S(("cannot register i2c-device. skipping.\n"));
229 /* loop through all i2c-devices on the bus and look who is there */
230 device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
232 /* check if all devices are present */
233 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
234 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
235 printk("mxb: did not find all i2c devices. aborting\n");
236 i2c_del_adapter(&mxb->i2c_adapter);
241 /* all devices are present, probe was successful */
243 /* we store the pointer in our private data field */
249 /* some init data for the saa7740, the so-called 'sound arena module'.
250 there are no specs available, so we simply use some init values */
254 } mxb_saa7740_init[] = {
255 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
256 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
257 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
258 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
259 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
260 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
261 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
262 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
263 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
264 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
265 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
266 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
267 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
268 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
269 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
270 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
271 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
272 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
273 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
274 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
275 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
276 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
277 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
278 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
279 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
280 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
281 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
282 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
283 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
284 { 3, { 0x48, 0x00, 0x01 } },
285 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
286 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
287 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
288 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
289 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
290 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
291 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
292 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
293 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
294 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
295 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
296 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
297 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
298 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
299 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
300 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
301 { 3, { 0x80, 0xb3, 0x0a } },
305 /* bring hardware to a sane state. this has to be done, just in case someone
306 wants to capture from this device before it has been properly initialized.
307 the capture engine would badly fail, because no valid signal arrives on the
308 saa7146, thus leading to timeouts and stuff. */
309 static int mxb_init_done(struct saa7146_dev* dev)
311 struct mxb* mxb = (struct mxb*)dev->ext_priv;
313 struct tuner_setup tun_setup;
314 v4l2_std_id std = V4L2_STD_PAL_BG;
315 struct v4l2_routing route;
318 struct tea6415c_multiplex vm;
320 /* select video mode in saa7111a */
321 mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_S_STD, &std);
323 /* select tuner-output on saa7111a */
325 route.input = SAA7115_COMPOSITE0;
326 route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
327 mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route);
329 /* select a tuner type */
330 tun_setup.mode_mask = T_ANALOG_TV;
331 tun_setup.addr = ADDR_UNSET;
332 tun_setup.type = TUNER_PHILIPS_PAL;
333 mxb->tuner->driver->command(mxb->tuner, TUNER_SET_TYPE_ADDR, &tun_setup);
334 /* tune in some frequency on tuner */
335 mxb->cur_freq.tuner = 0;
336 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
337 mxb->cur_freq.frequency = freq;
338 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY,
341 /* set a default video standard */
342 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
344 /* mute audio on tea6420s */
345 mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, &TEA6420_line[6][0]);
346 mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, &TEA6420_line[6][1]);
347 mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH, &TEA6420_cd[6][0]);
348 mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH, &TEA6420_cd[6][1]);
350 /* switch to tuner-channel on tea6415c*/
353 mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm);
355 /* select tuner-output on multicable on tea6415c*/
358 mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm);
360 /* the rest for mxb */
364 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
366 /* check if the saa7740 (aka 'sound arena module') is present
367 on the mxb. if so, we must initialize it. due to lack of
368 informations about the saa7740, the values were reverse
372 msg.len = mxb_saa7740_init[0].length;
373 msg.buf = &mxb_saa7740_init[0].data[0];
375 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
377 /* the sound arena module is a pos, that's probably the reason
378 philips refuses to hand out a datasheet for the saa7740...
379 it seems to screw up the i2c bus, so we disable fast irq
380 based i2c transactions here and rely on the slow and safe
381 polling method ... */
382 extension.flags &= ~SAA7146_USE_I2C_IRQ;
384 if (-1 == mxb_saa7740_init[i].length)
387 msg.len = mxb_saa7740_init[i].length;
388 msg.buf = &mxb_saa7740_init[i].data[0];
389 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
391 DEB_D(("failed to initialize 'sound arena module'.\n"));
395 INFO(("'sound arena module' detected.\n"));
398 /* the rest for saa7146: you should definitely set some basic values
399 for the input-port handling of the saa7146. */
401 /* ext->saa has been filled by the core driver */
403 /* some stuff is done via variables */
404 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
405 input_port_selection[mxb->cur_input].hps_sync);
407 /* some stuff is done via direct write to the registers */
409 /* this is ugly, but because of the fact that this is completely
410 hardware dependend, it should be done directly... */
411 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
412 saa7146_write(dev, DD1_INIT, 0x02000200);
413 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
418 /* interrupt-handler. this gets called when irq_mask is != 0.
419 it must clear the interrupt-bits in irq_mask it has handled */
421 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
423 struct mxb* mxb = (struct mxb*)dev->ext_priv;
427 static struct saa7146_ext_vv vv_data;
429 /* this function only gets called when the probing was successful */
430 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
432 struct mxb *mxb = (struct mxb *)dev->ext_priv;
434 DEB_EE(("dev:%p\n", dev));
436 /* checking for i2c-devices can be omitted here, because we
437 already did this in "mxb_vl42_probe" */
439 saa7146_vv_init(dev, &vv_data);
440 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
441 ERR(("cannot register capture v4l2 device. skipping.\n"));
445 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
446 if (MXB_BOARD_CAN_DO_VBI(dev)) {
447 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
448 ERR(("cannot register vbi v4l2 device. skipping.\n"));
452 i2c_use_client(mxb->tea6420_1);
453 i2c_use_client(mxb->tea6420_2);
454 i2c_use_client(mxb->tea6415c);
455 i2c_use_client(mxb->tda9840);
456 i2c_use_client(mxb->saa7111a);
457 i2c_use_client(mxb->tuner);
459 printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
466 static int mxb_detach(struct saa7146_dev *dev)
468 struct mxb *mxb = (struct mxb *)dev->ext_priv;
470 DEB_EE(("dev:%p\n", dev));
472 i2c_release_client(mxb->tea6420_1);
473 i2c_release_client(mxb->tea6420_2);
474 i2c_release_client(mxb->tea6415c);
475 i2c_release_client(mxb->tda9840);
476 i2c_release_client(mxb->saa7111a);
477 i2c_release_client(mxb->tuner);
479 saa7146_unregister_device(&mxb->video_dev,dev);
480 if (MXB_BOARD_CAN_DO_VBI(dev))
481 saa7146_unregister_device(&mxb->vbi_dev, dev);
482 saa7146_vv_release(dev);
486 i2c_del_adapter(&mxb->i2c_adapter);
492 static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
494 struct saa7146_dev *dev = fh->dev;
495 struct mxb *mxb = (struct mxb *)dev->ext_priv;
496 struct saa7146_vv *vv = dev->vv_data;
499 case VIDIOC_ENUMINPUT:
501 struct v4l2_input *i = arg;
503 DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
504 if (i->index < 0 || i->index >= MXB_INPUTS)
506 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
509 /* the saa7146 provides some controls (brightness, contrast, saturation)
510 which gets registered *after* this function. because of this we have
511 to return with a value != 0 even if the function succeded.. */
512 case VIDIOC_QUERYCTRL:
514 struct v4l2_queryctrl *qc = arg;
517 for (i = MAXCONTROLS - 1; i >= 0; i--) {
518 if (mxb_controls[i].id == qc->id) {
519 *qc = mxb_controls[i];
520 DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
528 struct v4l2_control *vc = arg;
531 for (i = MAXCONTROLS - 1; i >= 0; i--) {
532 if (mxb_controls[i].id == vc->id)
539 if (vc->id == V4L2_CID_AUDIO_MUTE) {
540 vc->value = mxb->cur_mute;
541 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
545 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
551 struct v4l2_control *vc = arg;
554 for (i = MAXCONTROLS - 1; i >= 0; i--) {
555 if (mxb_controls[i].id == vc->id)
562 if (vc->id == V4L2_CID_AUDIO_MUTE) {
563 mxb->cur_mute = vc->value;
565 /* switch the audio-source */
566 mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH,
567 &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
568 mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH,
569 &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
571 mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH,
572 &TEA6420_line[6][0]);
573 mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH,
574 &TEA6420_line[6][1]);
576 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
582 int *input = (int *)arg;
583 *input = mxb->cur_input;
585 DEB_EE(("VIDIOC_G_INPUT %d.\n", *input));
590 int input = *(int *)arg;
591 struct tea6415c_multiplex vm;
592 struct v4l2_routing route;
595 DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
597 if (input < 0 || input >= MXB_INPUTS)
600 mxb->cur_input = input;
602 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
603 input_port_selection[input].hps_sync);
605 /* prepare switching of tea6415c and saa7111a;
606 have a look at the 'background'-file for further informations */
609 i = SAA7115_COMPOSITE0;
613 if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) {
614 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n");
617 /* connect tuner-output always to multicable */
622 /* nothing to be done here. aux3_yc is
623 directly connected to the saa711a */
627 /* nothing to be done here. aux3 is
628 directly connected to the saa711a */
629 i = SAA7115_COMPOSITE1;
632 i = SAA7115_COMPOSITE0;
638 /* switch video in tea6415c only if necessary */
642 if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) {
643 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
651 /* switch video in saa7111a */
654 if (mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route))
655 printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
657 /* switch the audio-source only if necessary */
658 if( 0 == mxb->cur_mute ) {
659 mxb->tea6420_1->driver->command(mxb->tea6420_1, TEA6420_SWITCH,
660 &TEA6420_line[video_audio_connect[input]][0]);
661 mxb->tea6420_2->driver->command(mxb->tea6420_2, TEA6420_SWITCH,
662 &TEA6420_line[video_audio_connect[input]][1]);
669 struct v4l2_tuner *t = arg;
672 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
676 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
678 memset(t, 0, sizeof(*t));
679 i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
681 strlcpy(t->name, "TV Tuner", sizeof(t->name));
682 t->type = V4L2_TUNER_ANALOG_TV;
683 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | \
684 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
685 t->audmode = mxb->cur_mode;
690 struct v4l2_tuner *t = arg;
693 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
697 mxb->cur_mode = t->audmode;
698 i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
701 case VIDIOC_G_FREQUENCY:
703 struct v4l2_frequency *f = arg;
705 if (mxb->cur_input) {
706 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
713 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
716 case VIDIOC_S_FREQUENCY:
718 struct v4l2_frequency *f = arg;
723 if (V4L2_TUNER_ANALOG_TV != f->type)
726 if (mxb->cur_input) {
727 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
732 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
734 /* tune in desired frequency */
735 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);
737 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
738 spin_lock(&dev->slock);
739 vv->vbi_fieldcount = 0;
740 spin_unlock(&dev->slock);
748 if (i < 0 || i >= MXB_AUDIOS) {
749 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
753 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
755 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
756 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
760 case MXB_S_AUDIO_LINE:
764 if (i < 0 || i >= MXB_AUDIOS) {
765 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
769 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
770 mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
771 mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
777 struct v4l2_audio *a = arg;
779 if (a->index < 0 || a->index > MXB_INPUTS) {
780 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
784 DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
785 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
791 struct v4l2_audio *a = arg;
793 DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
796 #ifdef CONFIG_VIDEO_ADV_DEBUG
797 case VIDIOC_DBG_S_REGISTER:
798 case VIDIOC_DBG_G_REGISTER:
799 i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
804 DEB2(printk("does not handle this ioctl.\n"));
811 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
813 struct mxb *mxb = (struct mxb *)dev->ext_priv;
817 if (V4L2_STD_PAL_I == standard->id) {
818 v4l2_std_id std = V4L2_STD_PAL_I;
820 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
821 /* set the 7146 gpio register -- I don't know what this does exactly */
822 saa7146_write(dev, GPIO_CTRL, 0x00404050);
823 /* unset the 7111 gpio register -- I don't know what this does exactly */
824 mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_GPIO, &zero);
825 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
827 v4l2_std_id std = V4L2_STD_PAL_BG;
829 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
830 /* set the 7146 gpio register -- I don't know what this does exactly */
831 saa7146_write(dev, GPIO_CTRL, 0x00404050);
832 /* set the 7111 gpio register -- I don't know what this does exactly */
833 mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_GPIO, &one);
834 mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
839 static struct saa7146_standard standard[] = {
841 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
842 .v_offset = 0x17, .v_field = 288,
843 .h_offset = 0x14, .h_pixels = 680,
844 .v_max_out = 576, .h_max_out = 768,
846 .name = "PAL-I", .id = V4L2_STD_PAL_I,
847 .v_offset = 0x17, .v_field = 288,
848 .h_offset = 0x14, .h_pixels = 680,
849 .v_max_out = 576, .h_max_out = 768,
851 .name = "NTSC", .id = V4L2_STD_NTSC,
852 .v_offset = 0x16, .v_field = 240,
853 .h_offset = 0x06, .h_pixels = 708,
854 .v_max_out = 480, .h_max_out = 640,
856 .name = "SECAM", .id = V4L2_STD_SECAM,
857 .v_offset = 0x14, .v_field = 288,
858 .h_offset = 0x14, .h_pixels = 720,
859 .v_max_out = 576, .h_max_out = 768,
863 static struct saa7146_pci_extension_data mxb = {
864 .ext_priv = "Multimedia eXtension Board",
868 static struct pci_device_id pci_tbl[] = {
870 .vendor = PCI_VENDOR_ID_PHILIPS,
871 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
874 .driver_data = (unsigned long)&mxb,
880 MODULE_DEVICE_TABLE(pci, pci_tbl);
882 static struct saa7146_ext_vv vv_data = {
883 .inputs = MXB_INPUTS,
884 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
885 .stds = &standard[0],
886 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
887 .std_callback = &std_callback,
888 .ioctls = &ioctls[0],
892 static struct saa7146_extension extension = {
893 .name = MXB_IDENTIFIER,
894 .flags = SAA7146_USE_I2C_IRQ,
896 .pci_tbl = &pci_tbl[0],
897 .module = THIS_MODULE,
900 .attach = mxb_attach,
901 .detach = mxb_detach,
907 static int __init mxb_init_module(void)
909 if (saa7146_register_extension(&extension)) {
910 DEB_S(("failed to register extension.\n"));
917 static void __exit mxb_cleanup_module(void)
919 saa7146_unregister_extension(&extension);
922 module_init(mxb_init_module);
923 module_exit(mxb_cleanup_module);
925 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
926 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
927 MODULE_LICENSE("GPL");