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>
36 #define I2C_SAA5246A 0x11
37 #define I2C_SAA7111A 0x24
38 #define I2C_TDA9840 0x42
39 #define I2C_TEA6415C 0x43
40 #define I2C_TEA6420_1 0x4c
41 #define I2C_TEA6420_2 0x4d
42 #define I2C_TUNER 0x60
44 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
49 /* initial frequence the tuner will be tuned to.
50 in verden (lower saxony, germany) 4148 is a
51 channel called "phoenix" */
52 static int freq = 4148;
53 module_param(freq, int, 0644);
54 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
57 module_param(debug, int, 0644);
58 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
61 enum { TUNER, AUX1, AUX3, AUX3_YC };
63 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
64 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
65 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
66 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
67 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
70 /* this array holds the information, which port of the saa7146 each
71 input actually uses. the mxb uses port 0 for every input */
75 } input_port_selection[MXB_INPUTS] = {
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 },
79 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
82 /* this array holds the information of the audio source (mxb_audios),
83 which has to be switched corresponding to the video source (mxb_channels) */
84 static int video_audio_connect[MXB_INPUTS] =
87 /* These are the necessary input-output-pins for bringing one audio source
88 (see above) to the CD-output. Note that gain is set to 0 in this table. */
89 static struct v4l2_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
90 { { 1, 1 }, { 1, 1 } }, /* Tuner */
91 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
92 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
93 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
94 { { 1, 1 }, { 3, 1 } }, /* Radio */
95 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
96 { { 6, 1 }, { 6, 1 } } /* Mute */
99 /* These are the necessary input-output-pins for bringing one audio source
100 (see above) to the line-output. Note that gain is set to 0 in this table. */
101 static struct v4l2_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
102 { { 2, 3 }, { 1, 2 } },
103 { { 5, 3 }, { 6, 2 } },
104 { { 4, 3 }, { 6, 2 } },
105 { { 3, 3 }, { 6, 2 } },
106 { { 2, 3 }, { 3, 2 } },
107 { { 2, 3 }, { 2, 2 } },
108 { { 6, 3 }, { 6, 2 } } /* Mute */
111 #define MAXCONTROLS 1
112 static struct v4l2_queryctrl mxb_controls[] = {
113 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
118 struct video_device *video_dev;
119 struct video_device *vbi_dev;
121 struct i2c_adapter i2c_adapter;
123 struct v4l2_subdev *saa7111a;
124 struct v4l2_subdev *tda9840;
125 struct v4l2_subdev *tea6415c;
126 struct v4l2_subdev *tuner;
127 struct v4l2_subdev *tea6420_1;
128 struct v4l2_subdev *tea6420_2;
130 int cur_mode; /* current audio mode (mono, stereo, ...) */
131 int cur_input; /* current input */
132 int cur_mute; /* current mute status */
133 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
136 #define saa7111a_call(mxb, o, f, args...) \
137 v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
138 #define tea6420_1_call(mxb, o, f, args...) \
139 v4l2_subdev_call(mxb->tea6420_1, o, f, ##args)
140 #define tea6420_2_call(mxb, o, f, args...) \
141 v4l2_subdev_call(mxb->tea6420_2, o, f, ##args)
142 #define tda9840_call(mxb, o, f, args...) \
143 v4l2_subdev_call(mxb->tda9840, o, f, ##args)
144 #define tea6415c_call(mxb, o, f, args...) \
145 v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
146 #define tuner_call(mxb, o, f, args...) \
147 v4l2_subdev_call(mxb->tuner, o, f, ##args)
148 #define call_all(dev, o, f, args...) \
149 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
151 static struct saa7146_extension extension;
153 static int mxb_probe(struct saa7146_dev *dev)
155 struct mxb *mxb = NULL;
157 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
159 DEB_D(("not enough kernel memory.\n"));
163 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
165 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
166 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
167 DEB_S(("cannot register i2c-device. skipping.\n"));
172 mxb->saa7111a = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "saa7115", "saa7111", I2C_SAA7111A);
173 mxb->tea6420_1 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6420", "tea6420", I2C_TEA6420_1);
174 mxb->tea6420_2 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6420", "tea6420", I2C_TEA6420_2);
175 mxb->tea6415c = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6415c", "tea6415c", I2C_TEA6415C);
176 mxb->tda9840 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tda9840", "tda9840", I2C_TDA9840);
177 mxb->tuner = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tuner", "tuner", I2C_TUNER);
178 if (v4l2_i2c_new_subdev(&mxb->i2c_adapter, "saa5246a", "saa5246a", I2C_SAA5246A)) {
179 printk(KERN_INFO "mxb: found teletext decoder\n");
182 /* check if all devices are present */
183 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
184 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
185 printk("mxb: did not find all i2c devices. aborting\n");
186 i2c_del_adapter(&mxb->i2c_adapter);
191 /* all devices are present, probe was successful */
193 /* we store the pointer in our private data field */
199 /* some init data for the saa7740, the so-called 'sound arena module'.
200 there are no specs available, so we simply use some init values */
204 } mxb_saa7740_init[] = {
205 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
206 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
207 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
208 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
209 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
210 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
211 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
212 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
213 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
214 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
215 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
216 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
217 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
218 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
219 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
220 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
221 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
222 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
223 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
224 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
225 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
226 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
227 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
228 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
229 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
230 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
231 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
232 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
233 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
234 { 3, { 0x48, 0x00, 0x01 } },
235 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
236 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
237 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
238 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
239 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
240 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
241 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
242 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
243 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
244 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
245 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
246 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
247 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
248 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
249 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
250 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
251 { 3, { 0x80, 0xb3, 0x0a } },
255 /* bring hardware to a sane state. this has to be done, just in case someone
256 wants to capture from this device before it has been properly initialized.
257 the capture engine would badly fail, because no valid signal arrives on the
258 saa7146, thus leading to timeouts and stuff. */
259 static int mxb_init_done(struct saa7146_dev* dev)
261 struct mxb* mxb = (struct mxb*)dev->ext_priv;
263 struct tuner_setup tun_setup;
264 v4l2_std_id std = V4L2_STD_PAL_BG;
265 struct v4l2_routing route;
269 /* select video mode in saa7111a */
270 saa7111a_call(mxb, tuner, s_std, std);
272 /* select tuner-output on saa7111a */
274 route.input = SAA7115_COMPOSITE0;
275 route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
276 saa7111a_call(mxb, video, s_routing, &route);
278 /* select a tuner type */
279 tun_setup.mode_mask = T_ANALOG_TV;
280 tun_setup.addr = ADDR_UNSET;
281 tun_setup.type = TUNER_PHILIPS_PAL;
282 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
283 /* tune in some frequency on tuner */
284 mxb->cur_freq.tuner = 0;
285 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
286 mxb->cur_freq.frequency = freq;
287 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
289 /* set a default video standard */
290 tuner_call(mxb, tuner, s_std, std);
292 /* mute audio on tea6420s */
293 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
294 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
295 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
296 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
298 /* switch to tuner-channel on tea6415c */
301 tea6415c_call(mxb, video, s_routing, &route);
303 /* select tuner-output on multicable on tea6415c */
306 tea6415c_call(mxb, video, s_routing, &route);
308 /* the rest for mxb */
312 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
314 /* check if the saa7740 (aka 'sound arena module') is present
315 on the mxb. if so, we must initialize it. due to lack of
316 informations about the saa7740, the values were reverse
320 msg.len = mxb_saa7740_init[0].length;
321 msg.buf = &mxb_saa7740_init[0].data[0];
323 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
325 /* the sound arena module is a pos, that's probably the reason
326 philips refuses to hand out a datasheet for the saa7740...
327 it seems to screw up the i2c bus, so we disable fast irq
328 based i2c transactions here and rely on the slow and safe
329 polling method ... */
330 extension.flags &= ~SAA7146_USE_I2C_IRQ;
332 if (-1 == mxb_saa7740_init[i].length)
335 msg.len = mxb_saa7740_init[i].length;
336 msg.buf = &mxb_saa7740_init[i].data[0];
337 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
339 DEB_D(("failed to initialize 'sound arena module'.\n"));
343 INFO(("'sound arena module' detected.\n"));
346 /* the rest for saa7146: you should definitely set some basic values
347 for the input-port handling of the saa7146. */
349 /* ext->saa has been filled by the core driver */
351 /* some stuff is done via variables */
352 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
353 input_port_selection[mxb->cur_input].hps_sync);
355 /* some stuff is done via direct write to the registers */
357 /* this is ugly, but because of the fact that this is completely
358 hardware dependend, it should be done directly... */
359 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
360 saa7146_write(dev, DD1_INIT, 0x02000200);
361 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
366 /* interrupt-handler. this gets called when irq_mask is != 0.
367 it must clear the interrupt-bits in irq_mask it has handled */
369 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
371 struct mxb* mxb = (struct mxb*)dev->ext_priv;
375 static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
377 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
380 for (i = MAXCONTROLS - 1; i >= 0; i--) {
381 if (mxb_controls[i].id == qc->id) {
382 *qc = mxb_controls[i];
383 DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
387 return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
390 static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
392 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
393 struct mxb *mxb = (struct mxb *)dev->ext_priv;
396 for (i = MAXCONTROLS - 1; i >= 0; i--) {
397 if (mxb_controls[i].id == vc->id)
402 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
404 if (vc->id == V4L2_CID_AUDIO_MUTE) {
405 vc->value = mxb->cur_mute;
406 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
410 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
414 static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
416 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
417 struct mxb *mxb = (struct mxb *)dev->ext_priv;
420 for (i = MAXCONTROLS - 1; i >= 0; i--) {
421 if (mxb_controls[i].id == vc->id)
426 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
428 if (vc->id == V4L2_CID_AUDIO_MUTE) {
429 mxb->cur_mute = vc->value;
431 /* switch the audio-source */
432 tea6420_1_call(mxb, audio, s_routing,
433 &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
434 tea6420_2_call(mxb, audio, s_routing,
435 &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
437 tea6420_1_call(mxb, audio, s_routing,
438 &TEA6420_line[6][0]);
439 tea6420_2_call(mxb, audio, s_routing,
440 &TEA6420_line[6][1]);
442 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
447 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
449 DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
450 if (i->index < 0 || i->index >= MXB_INPUTS)
452 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
456 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
458 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
459 struct mxb *mxb = (struct mxb *)dev->ext_priv;
462 DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
466 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
468 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
469 struct mxb *mxb = (struct mxb *)dev->ext_priv;
470 struct v4l2_routing route;
473 DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
475 if (input < 0 || input >= MXB_INPUTS)
478 mxb->cur_input = input;
480 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
481 input_port_selection[input].hps_sync);
483 /* prepare switching of tea6415c and saa7111a;
484 have a look at the 'background'-file for further informations */
487 i = SAA7115_COMPOSITE0;
491 if (tea6415c_call(mxb, video, s_routing, &route)) {
492 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n");
495 /* connect tuner-output always to multicable */
500 /* nothing to be done here. aux3_yc is
501 directly connected to the saa711a */
505 /* nothing to be done here. aux3 is
506 directly connected to the saa711a */
507 i = SAA7115_COMPOSITE1;
510 i = SAA7115_COMPOSITE0;
516 /* switch video in tea6415c only if necessary */
520 if (tea6415c_call(mxb, video, s_routing, &route)) {
521 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
529 /* switch video in saa7111a */
532 if (saa7111a_call(mxb, video, s_routing, &route))
533 printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a #1.\n");
535 /* switch the audio-source only if necessary */
536 if (0 == mxb->cur_mute) {
537 tea6420_1_call(mxb, audio, s_routing,
538 &TEA6420_line[video_audio_connect[input]][0]);
539 tea6420_2_call(mxb, audio, s_routing,
540 &TEA6420_line[video_audio_connect[input]][1]);
546 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
548 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
549 struct mxb *mxb = (struct mxb *)dev->ext_priv;
552 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
556 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
558 memset(t, 0, sizeof(*t));
559 strlcpy(t->name, "TV Tuner", sizeof(t->name));
560 t->type = V4L2_TUNER_ANALOG_TV;
561 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
562 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
563 t->audmode = mxb->cur_mode;
564 return call_all(dev, tuner, g_tuner, t);
567 static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
569 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
570 struct mxb *mxb = (struct mxb *)dev->ext_priv;
573 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n", t->index));
577 mxb->cur_mode = t->audmode;
578 return call_all(dev, tuner, s_tuner, t);
581 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
583 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
584 struct mxb *mxb = (struct mxb *)dev->ext_priv;
586 if (mxb->cur_input) {
587 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
594 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
598 static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
600 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
601 struct mxb *mxb = (struct mxb *)dev->ext_priv;
602 struct saa7146_vv *vv = dev->vv_data;
607 if (V4L2_TUNER_ANALOG_TV != f->type)
610 if (mxb->cur_input) {
611 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
616 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
618 /* tune in desired frequency */
619 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
621 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
622 spin_lock(&dev->slock);
623 vv->vbi_fieldcount = 0;
624 spin_unlock(&dev->slock);
629 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
631 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
632 struct mxb *mxb = (struct mxb *)dev->ext_priv;
634 if (a->index < 0 || a->index > MXB_INPUTS) {
635 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
639 DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
640 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
644 static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
646 DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
650 #ifdef CONFIG_VIDEO_ADV_DEBUG
651 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
653 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
655 return call_all(dev, core, g_register, reg);
658 static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
660 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
662 return call_all(dev, core, s_register, reg);
666 static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
668 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
669 struct mxb *mxb = (struct mxb *)dev->ext_priv;
676 if (i < 0 || i >= MXB_AUDIOS) {
677 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
681 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
683 tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[i][0]);
684 tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[i][1]);
688 case MXB_S_AUDIO_LINE:
692 if (i < 0 || i >= MXB_AUDIOS) {
693 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
697 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
698 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[i][0]);
699 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[i][1]);
705 DEB2(printk("does not handle this ioctl.\n"));
712 static struct saa7146_ext_vv vv_data;
714 /* this function only gets called when the probing was successful */
715 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
717 struct mxb *mxb = (struct mxb *)dev->ext_priv;
719 DEB_EE(("dev:%p\n", dev));
721 /* checking for i2c-devices can be omitted here, because we
722 already did this in "mxb_vl42_probe" */
724 saa7146_vv_init(dev, &vv_data);
725 vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
726 vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
727 vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
728 vv_data.ops.vidioc_enum_input = vidioc_enum_input;
729 vv_data.ops.vidioc_g_input = vidioc_g_input;
730 vv_data.ops.vidioc_s_input = vidioc_s_input;
731 vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
732 vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
733 vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
734 vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
735 vv_data.ops.vidioc_g_audio = vidioc_g_audio;
736 vv_data.ops.vidioc_s_audio = vidioc_s_audio;
737 #ifdef CONFIG_VIDEO_ADV_DEBUG
738 vv_data.ops.vidioc_g_register = vidioc_g_register;
739 vv_data.ops.vidioc_s_register = vidioc_s_register;
741 vv_data.ops.vidioc_default = vidioc_default;
742 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
743 ERR(("cannot register capture v4l2 device. skipping.\n"));
747 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
748 if (MXB_BOARD_CAN_DO_VBI(dev)) {
749 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
750 ERR(("cannot register vbi v4l2 device. skipping.\n"));
754 printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
761 static int mxb_detach(struct saa7146_dev *dev)
763 struct mxb *mxb = (struct mxb *)dev->ext_priv;
765 DEB_EE(("dev:%p\n", dev));
767 saa7146_unregister_device(&mxb->video_dev,dev);
768 if (MXB_BOARD_CAN_DO_VBI(dev))
769 saa7146_unregister_device(&mxb->vbi_dev, dev);
770 saa7146_vv_release(dev);
774 i2c_del_adapter(&mxb->i2c_adapter);
780 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
782 struct mxb *mxb = (struct mxb *)dev->ext_priv;
784 if (V4L2_STD_PAL_I == standard->id) {
785 v4l2_std_id std = V4L2_STD_PAL_I;
787 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
788 /* set the 7146 gpio register -- I don't know what this does exactly */
789 saa7146_write(dev, GPIO_CTRL, 0x00404050);
790 /* unset the 7111 gpio register -- I don't know what this does exactly */
791 saa7111a_call(mxb, core, s_gpio, 0);
792 tuner_call(mxb, tuner, s_std, std);
794 v4l2_std_id std = V4L2_STD_PAL_BG;
796 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
797 /* set the 7146 gpio register -- I don't know what this does exactly */
798 saa7146_write(dev, GPIO_CTRL, 0x00404050);
799 /* set the 7111 gpio register -- I don't know what this does exactly */
800 saa7111a_call(mxb, core, s_gpio, 1);
801 tuner_call(mxb, tuner, s_std, std);
806 static struct saa7146_standard standard[] = {
808 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
809 .v_offset = 0x17, .v_field = 288,
810 .h_offset = 0x14, .h_pixels = 680,
811 .v_max_out = 576, .h_max_out = 768,
813 .name = "PAL-I", .id = V4L2_STD_PAL_I,
814 .v_offset = 0x17, .v_field = 288,
815 .h_offset = 0x14, .h_pixels = 680,
816 .v_max_out = 576, .h_max_out = 768,
818 .name = "NTSC", .id = V4L2_STD_NTSC,
819 .v_offset = 0x16, .v_field = 240,
820 .h_offset = 0x06, .h_pixels = 708,
821 .v_max_out = 480, .h_max_out = 640,
823 .name = "SECAM", .id = V4L2_STD_SECAM,
824 .v_offset = 0x14, .v_field = 288,
825 .h_offset = 0x14, .h_pixels = 720,
826 .v_max_out = 576, .h_max_out = 768,
830 static struct saa7146_pci_extension_data mxb = {
831 .ext_priv = "Multimedia eXtension Board",
835 static struct pci_device_id pci_tbl[] = {
837 .vendor = PCI_VENDOR_ID_PHILIPS,
838 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
841 .driver_data = (unsigned long)&mxb,
847 MODULE_DEVICE_TABLE(pci, pci_tbl);
849 static struct saa7146_ext_vv vv_data = {
850 .inputs = MXB_INPUTS,
851 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
852 .stds = &standard[0],
853 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
854 .std_callback = &std_callback,
857 static struct saa7146_extension extension = {
858 .name = MXB_IDENTIFIER,
859 .flags = SAA7146_USE_I2C_IRQ,
861 .pci_tbl = &pci_tbl[0],
862 .module = THIS_MODULE,
865 .attach = mxb_attach,
866 .detach = mxb_detach,
872 static int __init mxb_init_module(void)
874 if (saa7146_register_extension(&extension)) {
875 DEB_S(("failed to register extension.\n"));
882 static void __exit mxb_cleanup_module(void)
884 saa7146_unregister_extension(&extension);
887 module_init(mxb_init_module);
888 module_exit(mxb_cleanup_module);
890 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
891 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
892 MODULE_LICENSE("GPL");