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(&mxb->i2c_adapter, "saa7115", "saa7111", I2C_SAA7111A);
172 mxb->tea6420_1 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6420", "tea6420", I2C_TEA6420_1);
173 mxb->tea6420_2 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6420", "tea6420", I2C_TEA6420_2);
174 mxb->tea6415c = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tea6415c", "tea6415c", I2C_TEA6415C);
175 mxb->tda9840 = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tda9840", "tda9840", I2C_TDA9840);
176 mxb->tuner = v4l2_i2c_new_subdev(&mxb->i2c_adapter, "tuner", "tuner", I2C_TUNER);
177 if (v4l2_i2c_new_subdev(&mxb->i2c_adapter, "saa5246a", "saa5246a", I2C_SAA5246A)) {
178 printk(KERN_INFO "mxb: found teletext decoder\n");
181 /* check if all devices are present */
182 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
183 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
184 printk("mxb: did not find all i2c devices. aborting\n");
185 i2c_del_adapter(&mxb->i2c_adapter);
190 /* all devices are present, probe was successful */
192 /* we store the pointer in our private data field */
198 /* some init data for the saa7740, the so-called 'sound arena module'.
199 there are no specs available, so we simply use some init values */
203 } mxb_saa7740_init[] = {
204 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
205 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
206 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
207 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
208 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
209 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
210 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
211 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
212 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
213 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
214 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
215 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
216 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
217 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
218 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
219 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
220 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
221 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
222 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
223 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
224 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
225 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
226 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
227 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
228 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
229 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
230 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
231 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
232 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
233 { 3, { 0x48, 0x00, 0x01 } },
234 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
235 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
236 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
237 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
238 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
239 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
240 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
241 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
242 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
243 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
244 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
245 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
246 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
247 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
248 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
249 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
250 { 3, { 0x80, 0xb3, 0x0a } },
254 /* bring hardware to a sane state. this has to be done, just in case someone
255 wants to capture from this device before it has been properly initialized.
256 the capture engine would badly fail, because no valid signal arrives on the
257 saa7146, thus leading to timeouts and stuff. */
258 static int mxb_init_done(struct saa7146_dev* dev)
260 struct mxb* mxb = (struct mxb*)dev->ext_priv;
262 struct tuner_setup tun_setup;
263 v4l2_std_id std = V4L2_STD_PAL_BG;
264 struct v4l2_routing route;
268 /* select video mode in saa7111a */
269 saa7111a_call(mxb, tuner, s_std, std);
271 /* select tuner-output on saa7111a */
273 route.input = SAA7115_COMPOSITE0;
274 route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
275 saa7111a_call(mxb, video, s_routing, &route);
277 /* select a tuner type */
278 tun_setup.mode_mask = T_ANALOG_TV;
279 tun_setup.addr = ADDR_UNSET;
280 tun_setup.type = TUNER_PHILIPS_PAL;
281 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
282 /* tune in some frequency on tuner */
283 mxb->cur_freq.tuner = 0;
284 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
285 mxb->cur_freq.frequency = freq;
286 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
288 /* set a default video standard */
289 tuner_call(mxb, tuner, s_std, std);
291 /* mute audio on tea6420s */
292 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
293 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
294 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[6][0]);
295 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[6][1]);
297 /* switch to tuner-channel on tea6415c */
300 tea6415c_call(mxb, video, s_routing, &route);
302 /* select tuner-output on multicable on tea6415c */
305 tea6415c_call(mxb, video, s_routing, &route);
307 /* the rest for mxb */
311 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
313 /* check if the saa7740 (aka 'sound arena module') is present
314 on the mxb. if so, we must initialize it. due to lack of
315 informations about the saa7740, the values were reverse
319 msg.len = mxb_saa7740_init[0].length;
320 msg.buf = &mxb_saa7740_init[0].data[0];
322 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
324 /* the sound arena module is a pos, that's probably the reason
325 philips refuses to hand out a datasheet for the saa7740...
326 it seems to screw up the i2c bus, so we disable fast irq
327 based i2c transactions here and rely on the slow and safe
328 polling method ... */
329 extension.flags &= ~SAA7146_USE_I2C_IRQ;
331 if (-1 == mxb_saa7740_init[i].length)
334 msg.len = mxb_saa7740_init[i].length;
335 msg.buf = &mxb_saa7740_init[i].data[0];
336 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
338 DEB_D(("failed to initialize 'sound arena module'.\n"));
342 INFO(("'sound arena module' detected.\n"));
345 /* the rest for saa7146: you should definitely set some basic values
346 for the input-port handling of the saa7146. */
348 /* ext->saa has been filled by the core driver */
350 /* some stuff is done via variables */
351 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
352 input_port_selection[mxb->cur_input].hps_sync);
354 /* some stuff is done via direct write to the registers */
356 /* this is ugly, but because of the fact that this is completely
357 hardware dependend, it should be done directly... */
358 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
359 saa7146_write(dev, DD1_INIT, 0x02000200);
360 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
365 /* interrupt-handler. this gets called when irq_mask is != 0.
366 it must clear the interrupt-bits in irq_mask it has handled */
368 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
370 struct mxb* mxb = (struct mxb*)dev->ext_priv;
374 static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
376 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
379 for (i = MAXCONTROLS - 1; i >= 0; i--) {
380 if (mxb_controls[i].id == qc->id) {
381 *qc = mxb_controls[i];
382 DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
386 return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
389 static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
391 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
392 struct mxb *mxb = (struct mxb *)dev->ext_priv;
395 for (i = MAXCONTROLS - 1; i >= 0; i--) {
396 if (mxb_controls[i].id == vc->id)
401 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
403 if (vc->id == V4L2_CID_AUDIO_MUTE) {
404 vc->value = mxb->cur_mute;
405 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
409 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
413 static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
415 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
416 struct mxb *mxb = (struct mxb *)dev->ext_priv;
419 for (i = MAXCONTROLS - 1; i >= 0; i--) {
420 if (mxb_controls[i].id == vc->id)
425 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
427 if (vc->id == V4L2_CID_AUDIO_MUTE) {
428 mxb->cur_mute = vc->value;
430 /* switch the audio-source */
431 tea6420_1_call(mxb, audio, s_routing,
432 &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
433 tea6420_2_call(mxb, audio, s_routing,
434 &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
436 tea6420_1_call(mxb, audio, s_routing,
437 &TEA6420_line[6][0]);
438 tea6420_2_call(mxb, audio, s_routing,
439 &TEA6420_line[6][1]);
441 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
446 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
448 DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
449 if (i->index < 0 || i->index >= MXB_INPUTS)
451 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
455 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
457 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
458 struct mxb *mxb = (struct mxb *)dev->ext_priv;
461 DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
465 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
467 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
468 struct mxb *mxb = (struct mxb *)dev->ext_priv;
469 struct v4l2_routing route;
472 DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
474 if (input < 0 || input >= MXB_INPUTS)
477 mxb->cur_input = input;
479 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
480 input_port_selection[input].hps_sync);
482 /* prepare switching of tea6415c and saa7111a;
483 have a look at the 'background'-file for further informations */
486 i = SAA7115_COMPOSITE0;
490 if (tea6415c_call(mxb, video, s_routing, &route)) {
491 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #1\n");
494 /* connect tuner-output always to multicable */
499 /* nothing to be done here. aux3_yc is
500 directly connected to the saa711a */
504 /* nothing to be done here. aux3 is
505 directly connected to the saa711a */
506 i = SAA7115_COMPOSITE1;
509 i = SAA7115_COMPOSITE0;
515 /* switch video in tea6415c only if necessary */
519 if (tea6415c_call(mxb, video, s_routing, &route)) {
520 printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
528 /* switch video in saa7111a */
531 if (saa7111a_call(mxb, video, s_routing, &route))
532 printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a #1.\n");
534 /* switch the audio-source only if necessary */
535 if (0 == mxb->cur_mute) {
536 tea6420_1_call(mxb, audio, s_routing,
537 &TEA6420_line[video_audio_connect[input]][0]);
538 tea6420_2_call(mxb, audio, s_routing,
539 &TEA6420_line[video_audio_connect[input]][1]);
545 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
547 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
548 struct mxb *mxb = (struct mxb *)dev->ext_priv;
551 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
555 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
557 memset(t, 0, sizeof(*t));
558 strlcpy(t->name, "TV Tuner", sizeof(t->name));
559 t->type = V4L2_TUNER_ANALOG_TV;
560 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
561 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
562 t->audmode = mxb->cur_mode;
563 return call_all(dev, tuner, g_tuner, t);
566 static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
568 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
569 struct mxb *mxb = (struct mxb *)dev->ext_priv;
572 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n", t->index));
576 mxb->cur_mode = t->audmode;
577 return call_all(dev, tuner, s_tuner, t);
580 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
582 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
583 struct mxb *mxb = (struct mxb *)dev->ext_priv;
585 if (mxb->cur_input) {
586 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
593 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
597 static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
599 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
600 struct mxb *mxb = (struct mxb *)dev->ext_priv;
601 struct saa7146_vv *vv = dev->vv_data;
606 if (V4L2_TUNER_ANALOG_TV != f->type)
609 if (mxb->cur_input) {
610 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
615 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
617 /* tune in desired frequency */
618 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
620 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
621 spin_lock(&dev->slock);
622 vv->vbi_fieldcount = 0;
623 spin_unlock(&dev->slock);
628 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
630 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
631 struct mxb *mxb = (struct mxb *)dev->ext_priv;
633 if (a->index < 0 || a->index > MXB_INPUTS) {
634 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
638 DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
639 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
643 static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
645 DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
649 #ifdef CONFIG_VIDEO_ADV_DEBUG
650 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
652 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
654 return call_all(dev, core, g_register, reg);
657 static int vidioc_s_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, s_register, reg);
665 static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
667 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
668 struct mxb *mxb = (struct mxb *)dev->ext_priv;
675 if (i < 0 || i >= MXB_AUDIOS) {
676 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
680 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
682 tea6420_1_call(mxb, audio, s_routing, &TEA6420_cd[i][0]);
683 tea6420_2_call(mxb, audio, s_routing, &TEA6420_cd[i][1]);
687 case MXB_S_AUDIO_LINE:
691 if (i < 0 || i >= MXB_AUDIOS) {
692 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
696 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
697 tea6420_1_call(mxb, audio, s_routing, &TEA6420_line[i][0]);
698 tea6420_2_call(mxb, audio, s_routing, &TEA6420_line[i][1]);
704 DEB2(printk("does not handle this ioctl.\n"));
711 static struct saa7146_ext_vv vv_data;
713 /* this function only gets called when the probing was successful */
714 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
716 struct mxb *mxb = (struct mxb *)dev->ext_priv;
718 DEB_EE(("dev:%p\n", dev));
720 /* checking for i2c-devices can be omitted here, because we
721 already did this in "mxb_vl42_probe" */
723 saa7146_vv_init(dev, &vv_data);
724 vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
725 vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
726 vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
727 vv_data.ops.vidioc_enum_input = vidioc_enum_input;
728 vv_data.ops.vidioc_g_input = vidioc_g_input;
729 vv_data.ops.vidioc_s_input = vidioc_s_input;
730 vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
731 vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
732 vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
733 vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
734 vv_data.ops.vidioc_g_audio = vidioc_g_audio;
735 vv_data.ops.vidioc_s_audio = vidioc_s_audio;
736 #ifdef CONFIG_VIDEO_ADV_DEBUG
737 vv_data.ops.vidioc_g_register = vidioc_g_register;
738 vv_data.ops.vidioc_s_register = vidioc_s_register;
740 vv_data.ops.vidioc_default = vidioc_default;
741 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
742 ERR(("cannot register capture v4l2 device. skipping.\n"));
746 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
747 if (MXB_BOARD_CAN_DO_VBI(dev)) {
748 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
749 ERR(("cannot register vbi v4l2 device. skipping.\n"));
753 printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
760 static int mxb_detach(struct saa7146_dev *dev)
762 struct mxb *mxb = (struct mxb *)dev->ext_priv;
764 DEB_EE(("dev:%p\n", dev));
766 saa7146_unregister_device(&mxb->video_dev,dev);
767 if (MXB_BOARD_CAN_DO_VBI(dev))
768 saa7146_unregister_device(&mxb->vbi_dev, dev);
769 saa7146_vv_release(dev);
773 i2c_del_adapter(&mxb->i2c_adapter);
779 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
781 struct mxb *mxb = (struct mxb *)dev->ext_priv;
783 if (V4L2_STD_PAL_I == standard->id) {
784 v4l2_std_id std = V4L2_STD_PAL_I;
786 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
787 /* set the 7146 gpio register -- I don't know what this does exactly */
788 saa7146_write(dev, GPIO_CTRL, 0x00404050);
789 /* unset the 7111 gpio register -- I don't know what this does exactly */
790 saa7111a_call(mxb, core, s_gpio, 0);
791 tuner_call(mxb, tuner, s_std, std);
793 v4l2_std_id std = V4L2_STD_PAL_BG;
795 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
796 /* set the 7146 gpio register -- I don't know what this does exactly */
797 saa7146_write(dev, GPIO_CTRL, 0x00404050);
798 /* set the 7111 gpio register -- I don't know what this does exactly */
799 saa7111a_call(mxb, core, s_gpio, 1);
800 tuner_call(mxb, tuner, s_std, std);
805 static struct saa7146_standard standard[] = {
807 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
808 .v_offset = 0x17, .v_field = 288,
809 .h_offset = 0x14, .h_pixels = 680,
810 .v_max_out = 576, .h_max_out = 768,
812 .name = "PAL-I", .id = V4L2_STD_PAL_I,
813 .v_offset = 0x17, .v_field = 288,
814 .h_offset = 0x14, .h_pixels = 680,
815 .v_max_out = 576, .h_max_out = 768,
817 .name = "NTSC", .id = V4L2_STD_NTSC,
818 .v_offset = 0x16, .v_field = 240,
819 .h_offset = 0x06, .h_pixels = 708,
820 .v_max_out = 480, .h_max_out = 640,
822 .name = "SECAM", .id = V4L2_STD_SECAM,
823 .v_offset = 0x14, .v_field = 288,
824 .h_offset = 0x14, .h_pixels = 720,
825 .v_max_out = 576, .h_max_out = 768,
829 static struct saa7146_pci_extension_data mxb = {
830 .ext_priv = "Multimedia eXtension Board",
834 static struct pci_device_id pci_tbl[] = {
836 .vendor = PCI_VENDOR_ID_PHILIPS,
837 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
840 .driver_data = (unsigned long)&mxb,
846 MODULE_DEVICE_TABLE(pci, pci_tbl);
848 static struct saa7146_ext_vv vv_data = {
849 .inputs = MXB_INPUTS,
850 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
851 .stds = &standard[0],
852 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
853 .std_callback = &std_callback,
856 static struct saa7146_extension extension = {
857 .name = MXB_IDENTIFIER,
858 .flags = SAA7146_USE_I2C_IRQ,
860 .pci_tbl = &pci_tbl[0],
861 .module = THIS_MODULE,
864 .attach = mxb_attach,
865 .detach = mxb_detach,
871 static int __init mxb_init_module(void)
873 if (saa7146_register_extension(&extension)) {
874 DEB_S(("failed to register extension.\n"));
881 static void __exit mxb_cleanup_module(void)
883 saa7146_unregister_extension(&extension);
886 module_init(mxb_init_module);
887 module_exit(mxb_cleanup_module);
889 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
890 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
891 MODULE_LICENSE("GPL");