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 <media/v4l2-common.h>
29 #include <media/saa7115.h>
35 #define I2C_SAA5246A 0x11
36 #define I2C_SAA7111A 0x24
37 #define I2C_TDA9840 0x42
38 #define I2C_TEA6415C 0x43
39 #define I2C_TEA6420_1 0x4c
40 #define I2C_TEA6420_2 0x4d
41 #define I2C_TUNER 0x60
43 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
48 /* initial frequence the tuner will be tuned to.
49 in verden (lower saxony, germany) 4148 is a
50 channel called "phoenix" */
51 static int freq = 4148;
52 module_param(freq, int, 0644);
53 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
56 module_param(debug, int, 0644);
57 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
60 enum { TUNER, AUX1, AUX3, AUX3_YC };
62 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
63 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
64 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
65 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
66 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
69 /* this array holds the information, which port of the saa7146 each
70 input actually uses. the mxb uses port 0 for every input */
74 } input_port_selection[MXB_INPUTS] = {
75 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
76 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
77 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
78 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
81 /* this array holds the information of the audio source (mxb_audios),
82 which has to be switched corresponding to the video source (mxb_channels) */
83 static int video_audio_connect[MXB_INPUTS] =
86 /* These are the necessary input-output-pins for bringing one audio source
87 (see above) to the CD-output. Note that gain is set to 0 in this table. */
88 static struct v4l2_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
89 { { 1, 1 }, { 1, 1 } }, /* Tuner */
90 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
91 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
92 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
93 { { 1, 1 }, { 3, 1 } }, /* Radio */
94 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
95 { { 6, 1 }, { 6, 1 } } /* Mute */
98 /* These are the necessary input-output-pins for bringing one audio source
99 (see above) to the line-output. Note that gain is set to 0 in this table. */
100 static struct v4l2_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
101 { { 2, 3 }, { 1, 2 } },
102 { { 5, 3 }, { 6, 2 } },
103 { { 4, 3 }, { 6, 2 } },
104 { { 3, 3 }, { 6, 2 } },
105 { { 2, 3 }, { 3, 2 } },
106 { { 2, 3 }, { 2, 2 } },
107 { { 6, 3 }, { 6, 2 } } /* Mute */
110 #define MAXCONTROLS 1
111 static struct v4l2_queryctrl mxb_controls[] = {
112 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
117 struct video_device *video_dev;
118 struct video_device *vbi_dev;
120 struct i2c_adapter i2c_adapter;
122 struct v4l2_subdev *saa7111a;
123 struct v4l2_subdev *tda9840;
124 struct v4l2_subdev *tea6415c;
125 struct v4l2_subdev *tuner;
126 struct v4l2_subdev *tea6420_1;
127 struct v4l2_subdev *tea6420_2;
129 int cur_mode; /* current audio mode (mono, stereo, ...) */
130 int cur_input; /* current input */
131 int cur_mute; /* current mute status */
132 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
135 #define saa7111a_call(mxb, o, f, args...) \
136 v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
137 #define tea6420_1_call(mxb, o, f, args...) \
138 v4l2_subdev_call(mxb->tea6420_1, o, f, ##args)
139 #define tea6420_2_call(mxb, o, f, args...) \
140 v4l2_subdev_call(mxb->tea6420_2, o, f, ##args)
141 #define tda9840_call(mxb, o, f, args...) \
142 v4l2_subdev_call(mxb->tda9840, o, f, ##args)
143 #define tea6415c_call(mxb, o, f, args...) \
144 v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
145 #define tuner_call(mxb, o, f, args...) \
146 v4l2_subdev_call(mxb->tuner, o, f, ##args)
147 #define call_all(dev, o, f, args...) \
148 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
150 static struct saa7146_extension extension;
152 static int mxb_probe(struct saa7146_dev *dev)
154 struct mxb *mxb = NULL;
156 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
158 DEB_D(("not enough kernel memory.\n"));
162 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
164 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
165 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
166 DEB_S(("cannot register i2c-device. skipping.\n"));
171 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
172 "saa7115", "saa7111", I2C_SAA7111A);
173 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
174 "tea6420", "tea6420", I2C_TEA6420_1);
175 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
176 "tea6420", "tea6420", I2C_TEA6420_2);
177 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
178 "tea6415c", "tea6415c", I2C_TEA6415C);
179 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
180 "tda9840", "tda9840", I2C_TDA9840);
181 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
182 "tuner", "tuner", I2C_TUNER);
183 if (v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
184 "saa5246a", "saa5246a", I2C_SAA5246A)) {
185 printk(KERN_INFO "mxb: found teletext decoder\n");
188 /* check if all devices are present */
189 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
190 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
191 printk("mxb: did not find all i2c devices. aborting\n");
192 i2c_del_adapter(&mxb->i2c_adapter);
197 /* all devices are present, probe was successful */
199 /* we store the pointer in our private data field */
205 /* some init data for the saa7740, the so-called 'sound arena module'.
206 there are no specs available, so we simply use some init values */
210 } mxb_saa7740_init[] = {
211 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
212 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
213 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
214 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
215 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
216 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
217 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
218 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
219 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
220 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
221 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
222 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
223 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
224 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
225 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
226 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
227 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
228 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
229 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
230 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
231 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
232 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
233 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
234 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
235 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
236 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
237 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
238 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
239 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
240 { 3, { 0x48, 0x00, 0x01 } },
241 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
242 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
243 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
244 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
245 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
246 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
247 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
248 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
249 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
250 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
251 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
252 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
253 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
254 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
255 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
256 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
257 { 3, { 0x80, 0xb3, 0x0a } },
261 /* bring hardware to a sane state. this has to be done, just in case someone
262 wants to capture from this device before it has been properly initialized.
263 the capture engine would badly fail, because no valid signal arrives on the
264 saa7146, thus leading to timeouts and stuff. */
265 static int mxb_init_done(struct saa7146_dev* dev)
267 struct mxb* mxb = (struct mxb*)dev->ext_priv;
269 struct tuner_setup tun_setup;
270 v4l2_std_id std = V4L2_STD_PAL_BG;
271 struct v4l2_routing route;
275 /* select video mode in saa7111a */
276 saa7111a_call(mxb, core, s_std, std);
278 /* select tuner-output on saa7111a */
280 route.input = SAA7115_COMPOSITE0;
281 route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
282 saa7111a_call(mxb, video, s_routing, &route);
284 /* select a tuner type */
285 tun_setup.mode_mask = T_ANALOG_TV;
286 tun_setup.addr = ADDR_UNSET;
287 tun_setup.type = TUNER_PHILIPS_PAL;
288 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
289 /* tune in some frequency on tuner */
290 mxb->cur_freq.tuner = 0;
291 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
292 mxb->cur_freq.frequency = freq;
293 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
295 /* set a default video standard */
296 tuner_call(mxb, core, s_std, std);
298 /* mute audio on tea6420s */
299 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
300 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
301 tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[6][0]);
302 tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[6][1]);
304 /* switch to tuner-channel on tea6415c */
307 tea6415c_call(mxb, video, s_routing, &route);
309 /* select tuner-output on multicable on tea6415c */
312 tea6415c_call(mxb, video, s_routing, &route);
314 /* the rest for mxb */
318 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
320 /* check if the saa7740 (aka 'sound arena module') is present
321 on the mxb. if so, we must initialize it. due to lack of
322 informations about the saa7740, the values were reverse
326 msg.len = mxb_saa7740_init[0].length;
327 msg.buf = &mxb_saa7740_init[0].data[0];
329 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
331 /* the sound arena module is a pos, that's probably the reason
332 philips refuses to hand out a datasheet for the saa7740...
333 it seems to screw up the i2c bus, so we disable fast irq
334 based i2c transactions here and rely on the slow and safe
335 polling method ... */
336 extension.flags &= ~SAA7146_USE_I2C_IRQ;
338 if (-1 == mxb_saa7740_init[i].length)
341 msg.len = mxb_saa7740_init[i].length;
342 msg.buf = &mxb_saa7740_init[i].data[0];
343 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
345 DEB_D(("failed to initialize 'sound arena module'.\n"));
349 INFO(("'sound arena module' detected.\n"));
352 /* the rest for saa7146: you should definitely set some basic values
353 for the input-port handling of the saa7146. */
355 /* ext->saa has been filled by the core driver */
357 /* some stuff is done via variables */
358 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
359 input_port_selection[mxb->cur_input].hps_sync);
361 /* some stuff is done via direct write to the registers */
363 /* this is ugly, but because of the fact that this is completely
364 hardware dependend, it should be done directly... */
365 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
366 saa7146_write(dev, DD1_INIT, 0x02000200);
367 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
372 /* interrupt-handler. this gets called when irq_mask is != 0.
373 it must clear the interrupt-bits in irq_mask it has handled */
375 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
377 struct mxb* mxb = (struct mxb*)dev->ext_priv;
381 static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
383 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
386 for (i = MAXCONTROLS - 1; i >= 0; i--) {
387 if (mxb_controls[i].id == qc->id) {
388 *qc = mxb_controls[i];
389 DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
393 return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
396 static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
398 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
399 struct mxb *mxb = (struct mxb *)dev->ext_priv;
402 for (i = MAXCONTROLS - 1; i >= 0; i--) {
403 if (mxb_controls[i].id == vc->id)
408 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
410 if (vc->id == V4L2_CID_AUDIO_MUTE) {
411 vc->value = mxb->cur_mute;
412 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
416 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
420 static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
422 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
423 struct mxb *mxb = (struct mxb *)dev->ext_priv;
426 for (i = MAXCONTROLS - 1; i >= 0; i--) {
427 if (mxb_controls[i].id == vc->id)
432 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
434 if (vc->id == V4L2_CID_AUDIO_MUTE) {
435 mxb->cur_mute = vc->value;
437 /* switch the audio-source */
438 tea6420_1_call(mxb, audio, s_routing,
439 &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
440 tea6420_2_call(mxb, audio, s_routing,
441 &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
443 tea6420_1_call(mxb, audio, s_routing,
444 &TEA6420_line[6][0]);
445 tea6420_2_call(mxb, audio, s_routing,
446 &TEA6420_line[6][1]);
448 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
453 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
455 DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
456 if (i->index < 0 || i->index >= MXB_INPUTS)
458 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
462 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
464 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
465 struct mxb *mxb = (struct mxb *)dev->ext_priv;
468 DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
472 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
474 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
475 struct mxb *mxb = (struct mxb *)dev->ext_priv;
476 struct v4l2_routing route;
479 DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
481 if (input < 0 || input >= MXB_INPUTS)
484 mxb->cur_input = input;
486 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
487 input_port_selection[input].hps_sync);
489 /* prepare switching of tea6415c and saa7111a;
490 have a look at the 'background'-file for further informations */
493 i = SAA7115_COMPOSITE0;
497 if (tea6415c_call(mxb, video, s_routing, &route)) {
498 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n");
501 /* connect tuner-output always to multicable */
506 /* nothing to be done here. aux3_yc is
507 directly connected to the saa711a */
511 /* nothing to be done here. aux3 is
512 directly connected to the saa711a */
513 i = SAA7115_COMPOSITE1;
516 i = SAA7115_COMPOSITE0;
522 /* switch video in tea6415c only if necessary */
526 if (tea6415c_call(mxb, video, s_routing, &route)) {
527 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
535 /* switch video in saa7111a */
538 if (saa7111a_call(mxb, video, s_routing, &route))
539 printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a #1.\n");
541 /* switch the audio-source only if necessary */
542 if (0 == mxb->cur_mute) {
543 tea6420_1_call(mxb, audio, s_routing,
544 &TEA6420_line[video_audio_connect[input]][0]);
545 tea6420_2_call(mxb, audio, s_routing,
546 &TEA6420_line[video_audio_connect[input]][1]);
552 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
554 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
555 struct mxb *mxb = (struct mxb *)dev->ext_priv;
558 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
562 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
564 memset(t, 0, sizeof(*t));
565 strlcpy(t->name, "TV Tuner", sizeof(t->name));
566 t->type = V4L2_TUNER_ANALOG_TV;
567 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
568 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
569 t->audmode = mxb->cur_mode;
570 return call_all(dev, tuner, g_tuner, t);
573 static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
575 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
576 struct mxb *mxb = (struct mxb *)dev->ext_priv;
579 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n", t->index));
583 mxb->cur_mode = t->audmode;
584 return call_all(dev, tuner, s_tuner, t);
587 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
589 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
590 struct mxb *mxb = (struct mxb *)dev->ext_priv;
592 if (mxb->cur_input) {
593 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
600 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
604 static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
606 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
607 struct mxb *mxb = (struct mxb *)dev->ext_priv;
608 struct saa7146_vv *vv = dev->vv_data;
613 if (V4L2_TUNER_ANALOG_TV != f->type)
616 if (mxb->cur_input) {
617 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
622 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
624 /* tune in desired frequency */
625 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
627 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
628 spin_lock(&dev->slock);
629 vv->vbi_fieldcount = 0;
630 spin_unlock(&dev->slock);
635 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
637 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
638 struct mxb *mxb = (struct mxb *)dev->ext_priv;
640 if (a->index < 0 || a->index > MXB_INPUTS) {
641 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
645 DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
646 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
650 static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
652 DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
656 #ifdef CONFIG_VIDEO_ADV_DEBUG
657 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
659 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
661 return call_all(dev, core, g_register, reg);
664 static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
666 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
668 return call_all(dev, core, s_register, reg);
672 static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
674 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
675 struct mxb *mxb = (struct mxb *)dev->ext_priv;
682 if (i < 0 || i >= MXB_AUDIOS) {
683 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
687 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
689 tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[i][0]);
690 tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[i][1]);
694 case MXB_S_AUDIO_LINE:
698 if (i < 0 || i >= MXB_AUDIOS) {
699 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
703 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
704 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[i][0]);
705 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[i][1]);
711 DEB2(printk("does not handle this ioctl.\n"));
718 static struct saa7146_ext_vv vv_data;
720 /* this function only gets called when the probing was successful */
721 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
723 struct mxb *mxb = (struct mxb *)dev->ext_priv;
725 DEB_EE(("dev:%p\n", dev));
727 /* checking for i2c-devices can be omitted here, because we
728 already did this in "mxb_vl42_probe" */
730 saa7146_vv_init(dev, &vv_data);
731 vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
732 vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
733 vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
734 vv_data.ops.vidioc_enum_input = vidioc_enum_input;
735 vv_data.ops.vidioc_g_input = vidioc_g_input;
736 vv_data.ops.vidioc_s_input = vidioc_s_input;
737 vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
738 vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
739 vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
740 vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
741 vv_data.ops.vidioc_g_audio = vidioc_g_audio;
742 vv_data.ops.vidioc_s_audio = vidioc_s_audio;
743 #ifdef CONFIG_VIDEO_ADV_DEBUG
744 vv_data.ops.vidioc_g_register = vidioc_g_register;
745 vv_data.ops.vidioc_s_register = vidioc_s_register;
747 vv_data.ops.vidioc_default = vidioc_default;
748 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
749 ERR(("cannot register capture v4l2 device. skipping.\n"));
753 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
754 if (MXB_BOARD_CAN_DO_VBI(dev)) {
755 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
756 ERR(("cannot register vbi v4l2 device. skipping.\n"));
760 printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
767 static int mxb_detach(struct saa7146_dev *dev)
769 struct mxb *mxb = (struct mxb *)dev->ext_priv;
771 DEB_EE(("dev:%p\n", dev));
773 saa7146_unregister_device(&mxb->video_dev,dev);
774 if (MXB_BOARD_CAN_DO_VBI(dev))
775 saa7146_unregister_device(&mxb->vbi_dev, dev);
776 saa7146_vv_release(dev);
780 i2c_del_adapter(&mxb->i2c_adapter);
786 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
788 struct mxb *mxb = (struct mxb *)dev->ext_priv;
790 if (V4L2_STD_PAL_I == standard->id) {
791 v4l2_std_id std = V4L2_STD_PAL_I;
793 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
794 /* set the 7146 gpio register -- I don't know what this does exactly */
795 saa7146_write(dev, GPIO_CTRL, 0x00404050);
796 /* unset the 7111 gpio register -- I don't know what this does exactly */
797 saa7111a_call(mxb, core, s_gpio, 0);
798 tuner_call(mxb, core, s_std, std);
800 v4l2_std_id std = V4L2_STD_PAL_BG;
802 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
803 /* set the 7146 gpio register -- I don't know what this does exactly */
804 saa7146_write(dev, GPIO_CTRL, 0x00404050);
805 /* set the 7111 gpio register -- I don't know what this does exactly */
806 saa7111a_call(mxb, core, s_gpio, 1);
807 tuner_call(mxb, core, s_std, std);
812 static struct saa7146_standard standard[] = {
814 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
815 .v_offset = 0x17, .v_field = 288,
816 .h_offset = 0x14, .h_pixels = 680,
817 .v_max_out = 576, .h_max_out = 768,
819 .name = "PAL-I", .id = V4L2_STD_PAL_I,
820 .v_offset = 0x17, .v_field = 288,
821 .h_offset = 0x14, .h_pixels = 680,
822 .v_max_out = 576, .h_max_out = 768,
824 .name = "NTSC", .id = V4L2_STD_NTSC,
825 .v_offset = 0x16, .v_field = 240,
826 .h_offset = 0x06, .h_pixels = 708,
827 .v_max_out = 480, .h_max_out = 640,
829 .name = "SECAM", .id = V4L2_STD_SECAM,
830 .v_offset = 0x14, .v_field = 288,
831 .h_offset = 0x14, .h_pixels = 720,
832 .v_max_out = 576, .h_max_out = 768,
836 static struct saa7146_pci_extension_data mxb = {
837 .ext_priv = "Multimedia eXtension Board",
841 static struct pci_device_id pci_tbl[] = {
843 .vendor = PCI_VENDOR_ID_PHILIPS,
844 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
847 .driver_data = (unsigned long)&mxb,
853 MODULE_DEVICE_TABLE(pci, pci_tbl);
855 static struct saa7146_ext_vv vv_data = {
856 .inputs = MXB_INPUTS,
857 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
858 .stds = &standard[0],
859 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
860 .std_callback = &std_callback,
863 static struct saa7146_extension extension = {
864 .name = MXB_IDENTIFIER,
865 .flags = SAA7146_USE_I2C_IRQ,
867 .pci_tbl = &pci_tbl[0],
868 .module = THIS_MODULE,
871 .attach = mxb_attach,
872 .detach = mxb_detach,
878 static int __init mxb_init_module(void)
880 if (saa7146_register_extension(&extension)) {
881 DEB_S(("failed to register extension.\n"));
888 static void __exit mxb_cleanup_module(void)
890 saa7146_unregister_extension(&extension);
893 module_init(mxb_init_module);
894 module_exit(mxb_cleanup_module);
896 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
897 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
898 MODULE_LICENSE("GPL");