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1/*
2 mxb - v4l2 driver for the Multimedia eXtension Board
3
4 Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>
5
6 Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html
7 for further details about this card.
8
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.
13
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.
18
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.
22*/
23
24#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
25
26#define DEBUG_VARIABLE debug
27
28#include <media/saa7146_vv.h>
29#include <media/tuner.h>
30#include <media/v4l2-common.h>
31#include <media/saa7115.h>
32#include <linux/module.h>
33
34#include "tea6415c.h"
35#include "tea6420.h"
36
37#define MXB_AUDIOS 6
38
39#define I2C_SAA7111A 0x24
40#define I2C_TDA9840 0x42
41#define I2C_TEA6415C 0x43
42#define I2C_TEA6420_1 0x4c
43#define I2C_TEA6420_2 0x4d
44#define I2C_TUNER 0x60
45
46#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
47
48/* global variable */
49static int mxb_num;
50
51/* initial frequence the tuner will be tuned to.
52 in verden (lower saxony, germany) 4148 is a
53 channel called "phoenix" */
54static int freq = 4148;
55module_param(freq, int, 0644);
56MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
57
58static int debug;
59module_param(debug, int, 0644);
60MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
61
62#define MXB_INPUTS 4
63enum { TUNER, AUX1, AUX3, AUX3_YC };
64
65static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
66 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 0x3f, 0,
67 V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD },
68 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
69 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
70 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
71 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
72 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
73 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
74};
75
76/* this array holds the information, which port of the saa7146 each
77 input actually uses. the mxb uses port 0 for every input */
78static struct {
79 int hps_source;
80 int hps_sync;
81} input_port_selection[MXB_INPUTS] = {
82 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
83 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
84 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
85 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
86};
87
88/* this array holds the information of the audio source (mxb_audios),
89 which has to be switched corresponding to the video source (mxb_channels) */
90static int video_audio_connect[MXB_INPUTS] =
91 { 0, 1, 3, 3 };
92
93struct mxb_routing {
94 u32 input;
95 u32 output;
96};
97
98/* these are the available audio sources, which can switched
99 to the line- and cd-output individually */
100static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
101 {
102 .index = 0,
103 .name = "Tuner",
104 .capability = V4L2_AUDCAP_STEREO,
105 } , {
106 .index = 1,
107 .name = "AUX1",
108 .capability = V4L2_AUDCAP_STEREO,
109 } , {
110 .index = 2,
111 .name = "AUX2",
112 .capability = V4L2_AUDCAP_STEREO,
113 } , {
114 .index = 3,
115 .name = "AUX3",
116 .capability = V4L2_AUDCAP_STEREO,
117 } , {
118 .index = 4,
119 .name = "Radio (X9)",
120 .capability = V4L2_AUDCAP_STEREO,
121 } , {
122 .index = 5,
123 .name = "CD-ROM (X10)",
124 .capability = V4L2_AUDCAP_STEREO,
125 }
126};
127
128/* These are the necessary input-output-pins for bringing one audio source
129 (see above) to the CD-output. Note that gain is set to 0 in this table. */
130static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
131 { { 1, 1 }, { 1, 1 } }, /* Tuner */
132 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
133 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
134 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
135 { { 1, 1 }, { 3, 1 } }, /* Radio */
136 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
137 { { 6, 1 }, { 6, 1 } } /* Mute */
138};
139
140/* These are the necessary input-output-pins for bringing one audio source
141 (see above) to the line-output. Note that gain is set to 0 in this table. */
142static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
143 { { 2, 3 }, { 1, 2 } },
144 { { 5, 3 }, { 6, 2 } },
145 { { 4, 3 }, { 6, 2 } },
146 { { 3, 3 }, { 6, 2 } },
147 { { 2, 3 }, { 3, 2 } },
148 { { 2, 3 }, { 2, 2 } },
149 { { 6, 3 }, { 6, 2 } } /* Mute */
150};
151
152struct mxb
153{
154 struct video_device *video_dev;
155 struct video_device *vbi_dev;
156
157 struct i2c_adapter i2c_adapter;
158
159 struct v4l2_subdev *saa7111a;
160 struct v4l2_subdev *tda9840;
161 struct v4l2_subdev *tea6415c;
162 struct v4l2_subdev *tuner;
163 struct v4l2_subdev *tea6420_1;
164 struct v4l2_subdev *tea6420_2;
165
166 int cur_mode; /* current audio mode (mono, stereo, ...) */
167 int cur_input; /* current input */
168 int cur_audinput; /* current audio input */
169 int cur_mute; /* current mute status */
170 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
171};
172
173#define saa7111a_call(mxb, o, f, args...) \
174 v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
175#define tda9840_call(mxb, o, f, args...) \
176 v4l2_subdev_call(mxb->tda9840, o, f, ##args)
177#define tea6415c_call(mxb, o, f, args...) \
178 v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
179#define tuner_call(mxb, o, f, args...) \
180 v4l2_subdev_call(mxb->tuner, o, f, ##args)
181#define call_all(dev, o, f, args...) \
182 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
183
184static void mxb_update_audmode(struct mxb *mxb)
185{
186 struct v4l2_tuner t = {
187 .audmode = mxb->cur_mode,
188 };
189
190 tda9840_call(mxb, tuner, s_tuner, &t);
191}
192
193static inline void tea6420_route(struct mxb *mxb, int idx)
194{
195 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
196 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
197 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
198 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
199 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
200 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
201 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
202 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
203}
204
205static struct saa7146_extension extension;
206
207static int mxb_s_ctrl(struct v4l2_ctrl *ctrl)
208{
209 struct saa7146_dev *dev = container_of(ctrl->handler,
210 struct saa7146_dev, ctrl_handler);
211 struct mxb *mxb = dev->ext_priv;
212
213 switch (ctrl->id) {
214 case V4L2_CID_AUDIO_MUTE:
215 mxb->cur_mute = ctrl->val;
216 /* switch the audio-source */
217 tea6420_route(mxb, ctrl->val ? 6 :
218 video_audio_connect[mxb->cur_input]);
219 break;
220 default:
221 return -EINVAL;
222 }
223 return 0;
224}
225
226static const struct v4l2_ctrl_ops mxb_ctrl_ops = {
227 .s_ctrl = mxb_s_ctrl,
228};
229
230static int mxb_probe(struct saa7146_dev *dev)
231{
232 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
233 struct mxb *mxb = NULL;
234
235 v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops,
236 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
237 if (hdl->error)
238 return hdl->error;
239 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
240 if (mxb == NULL) {
241 DEB_D("not enough kernel memory\n");
242 return -ENOMEM;
243 }
244
245
246 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
247
248 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
249 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
250 DEB_S("cannot register i2c-device. skipping.\n");
251 kfree(mxb);
252 return -EFAULT;
253 }
254
255 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
256 "saa7111", I2C_SAA7111A, NULL);
257 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
258 "tea6420", I2C_TEA6420_1, NULL);
259 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
260 "tea6420", I2C_TEA6420_2, NULL);
261 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
262 "tea6415c", I2C_TEA6415C, NULL);
263 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
264 "tda9840", I2C_TDA9840, NULL);
265 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
266 "tuner", I2C_TUNER, NULL);
267
268 /* check if all devices are present */
269 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
270 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
271 pr_err("did not find all i2c devices. aborting\n");
272 i2c_del_adapter(&mxb->i2c_adapter);
273 kfree(mxb);
274 return -ENODEV;
275 }
276
277 /* all devices are present, probe was successful */
278
279 /* we store the pointer in our private data field */
280 dev->ext_priv = mxb;
281
282 v4l2_ctrl_handler_setup(hdl);
283
284 return 0;
285}
286
287/* some init data for the saa7740, the so-called 'sound arena module'.
288 there are no specs available, so we simply use some init values */
289static struct {
290 int length;
291 char data[9];
292} mxb_saa7740_init[] = {
293 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
294 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
295 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
296 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
297 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
298 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
299 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
300 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
301 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
302 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
303 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
304 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
305 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
306 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
307 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
308 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
309 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
310 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
311 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
312 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
313 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
314 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
315 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
316 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
317 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
318 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
319 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
320 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
321 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
322 { 3, { 0x48, 0x00, 0x01 } },
323 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
324 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
325 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
326 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
327 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
328 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
329 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
330 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
331 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
332 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
333 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
334 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
335 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
336 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
337 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
338 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
339 { 3, { 0x80, 0xb3, 0x0a } },
340 {-1, { 0 } }
341};
342
343/* bring hardware to a sane state. this has to be done, just in case someone
344 wants to capture from this device before it has been properly initialized.
345 the capture engine would badly fail, because no valid signal arrives on the
346 saa7146, thus leading to timeouts and stuff. */
347static int mxb_init_done(struct saa7146_dev* dev)
348{
349 struct mxb* mxb = (struct mxb*)dev->ext_priv;
350 struct i2c_msg msg;
351 struct tuner_setup tun_setup;
352 v4l2_std_id std = V4L2_STD_PAL_BG;
353
354 int i = 0, err = 0;
355
356 /* mute audio on tea6420s */
357 tea6420_route(mxb, 6);
358
359 /* select video mode in saa7111a */
360 saa7111a_call(mxb, core, s_std, std);
361
362 /* select tuner-output on saa7111a */
363 i = 0;
364 saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
365 SAA7111_FMT_CCIR, 0);
366
367 /* select a tuner type */
368 tun_setup.mode_mask = T_ANALOG_TV;
369 tun_setup.addr = ADDR_UNSET;
370 tun_setup.type = TUNER_PHILIPS_PAL;
371 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
372 /* tune in some frequency on tuner */
373 mxb->cur_freq.tuner = 0;
374 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
375 mxb->cur_freq.frequency = freq;
376 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
377
378 /* set a default video standard */
379 /* These two gpio calls set the GPIO pins that control the tda9820 */
380 saa7146_write(dev, GPIO_CTRL, 0x00404050);
381 saa7111a_call(mxb, core, s_gpio, 1);
382 saa7111a_call(mxb, core, s_std, std);
383 tuner_call(mxb, core, s_std, std);
384
385 /* switch to tuner-channel on tea6415c */
386 tea6415c_call(mxb, video, s_routing, 3, 17, 0);
387
388 /* select tuner-output on multicable on tea6415c */
389 tea6415c_call(mxb, video, s_routing, 3, 13, 0);
390
391 /* the rest for mxb */
392 mxb->cur_input = 0;
393 mxb->cur_audinput = video_audio_connect[mxb->cur_input];
394 mxb->cur_mute = 1;
395
396 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
397 mxb_update_audmode(mxb);
398
399 /* check if the saa7740 (aka 'sound arena module') is present
400 on the mxb. if so, we must initialize it. due to lack of
401 informations about the saa7740, the values were reverse
402 engineered. */
403 msg.addr = 0x1b;
404 msg.flags = 0;
405 msg.len = mxb_saa7740_init[0].length;
406 msg.buf = &mxb_saa7740_init[0].data[0];
407
408 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
409 if (err == 1) {
410 /* the sound arena module is a pos, that's probably the reason
411 philips refuses to hand out a datasheet for the saa7740...
412 it seems to screw up the i2c bus, so we disable fast irq
413 based i2c transactions here and rely on the slow and safe
414 polling method ... */
415 extension.flags &= ~SAA7146_USE_I2C_IRQ;
416 for (i = 1; ; i++) {
417 if (-1 == mxb_saa7740_init[i].length)
418 break;
419
420 msg.len = mxb_saa7740_init[i].length;
421 msg.buf = &mxb_saa7740_init[i].data[0];
422 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
423 if (err != 1) {
424 DEB_D("failed to initialize 'sound arena module'\n");
425 goto err;
426 }
427 }
428 pr_info("'sound arena module' detected\n");
429 }
430err:
431 /* the rest for saa7146: you should definitely set some basic values
432 for the input-port handling of the saa7146. */
433
434 /* ext->saa has been filled by the core driver */
435
436 /* some stuff is done via variables */
437 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
438 input_port_selection[mxb->cur_input].hps_sync);
439
440 /* some stuff is done via direct write to the registers */
441
442 /* this is ugly, but because of the fact that this is completely
443 hardware dependend, it should be done directly... */
444 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
445 saa7146_write(dev, DD1_INIT, 0x02000200);
446 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
447
448 return 0;
449}
450
451/* interrupt-handler. this gets called when irq_mask is != 0.
452 it must clear the interrupt-bits in irq_mask it has handled */
453/*
454void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
455{
456 struct mxb* mxb = (struct mxb*)dev->ext_priv;
457}
458*/
459
460static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
461{
462 DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
463 if (i->index >= MXB_INPUTS)
464 return -EINVAL;
465 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
466 return 0;
467}
468
469static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
470{
471 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
472 struct mxb *mxb = (struct mxb *)dev->ext_priv;
473 *i = mxb->cur_input;
474
475 DEB_EE("VIDIOC_G_INPUT %d\n", *i);
476 return 0;
477}
478
479static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
480{
481 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
482 struct mxb *mxb = (struct mxb *)dev->ext_priv;
483 int err = 0;
484 int i = 0;
485
486 DEB_EE("VIDIOC_S_INPUT %d\n", input);
487
488 if (input >= MXB_INPUTS)
489 return -EINVAL;
490
491 mxb->cur_input = input;
492
493 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
494 input_port_selection[input].hps_sync);
495
496 /* prepare switching of tea6415c and saa7111a;
497 have a look at the 'background'-file for further informations */
498 switch (input) {
499 case TUNER:
500 i = SAA7115_COMPOSITE0;
501
502 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
503
504 /* connect tuner-output always to multicable */
505 if (!err)
506 err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
507 break;
508 case AUX3_YC:
509 /* nothing to be done here. aux3_yc is
510 directly connected to the saa711a */
511 i = SAA7115_SVIDEO1;
512 break;
513 case AUX3:
514 /* nothing to be done here. aux3 is
515 directly connected to the saa711a */
516 i = SAA7115_COMPOSITE1;
517 break;
518 case AUX1:
519 i = SAA7115_COMPOSITE0;
520 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
521 break;
522 }
523
524 if (err)
525 return err;
526
527 /* switch video in saa7111a */
528 if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
529 pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
530
531 mxb->cur_audinput = video_audio_connect[input];
532 /* switch the audio-source only if necessary */
533 if (0 == mxb->cur_mute)
534 tea6420_route(mxb, mxb->cur_audinput);
535 if (mxb->cur_audinput == 0)
536 mxb_update_audmode(mxb);
537
538 return 0;
539}
540
541static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
542{
543 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
544 struct mxb *mxb = (struct mxb *)dev->ext_priv;
545
546 if (t->index) {
547 DEB_D("VIDIOC_G_TUNER: channel %d does not have a tuner attached\n",
548 t->index);
549 return -EINVAL;
550 }
551
552 DEB_EE("VIDIOC_G_TUNER: %d\n", t->index);
553
554 memset(t, 0, sizeof(*t));
555 strlcpy(t->name, "TV Tuner", sizeof(t->name));
556 t->type = V4L2_TUNER_ANALOG_TV;
557 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
558 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
559 t->audmode = mxb->cur_mode;
560 return call_all(dev, tuner, g_tuner, t);
561}
562
563static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
564{
565 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
566 struct mxb *mxb = (struct mxb *)dev->ext_priv;
567
568 if (t->index) {
569 DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n",
570 t->index);
571 return -EINVAL;
572 }
573
574 mxb->cur_mode = t->audmode;
575 return call_all(dev, tuner, s_tuner, t);
576}
577
578static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm)
579{
580 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
581
582 return call_all(dev, video, querystd, norm);
583}
584
585static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
586{
587 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
588 struct mxb *mxb = (struct mxb *)dev->ext_priv;
589
590 if (f->tuner)
591 return -EINVAL;
592 *f = mxb->cur_freq;
593
594 DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency);
595 return 0;
596}
597
598static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
599{
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;
603
604 if (f->tuner)
605 return -EINVAL;
606
607 if (V4L2_TUNER_ANALOG_TV != f->type)
608 return -EINVAL;
609
610 DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);
611
612 /* tune in desired frequency */
613 tuner_call(mxb, tuner, s_frequency, f);
614 /* let the tuner subdev clamp the frequency to the tuner range */
615 tuner_call(mxb, tuner, g_frequency, f);
616 mxb->cur_freq = *f;
617 if (mxb->cur_audinput == 0)
618 mxb_update_audmode(mxb);
619
620 if (mxb->cur_input)
621 return 0;
622
623 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
624 spin_lock(&dev->slock);
625 vv->vbi_fieldcount = 0;
626 spin_unlock(&dev->slock);
627
628 return 0;
629}
630
631static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
632{
633 if (a->index >= MXB_AUDIOS)
634 return -EINVAL;
635 *a = mxb_audios[a->index];
636 return 0;
637}
638
639static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
640{
641 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
642 struct mxb *mxb = (struct mxb *)dev->ext_priv;
643
644 DEB_EE("VIDIOC_G_AUDIO\n");
645 *a = mxb_audios[mxb->cur_audinput];
646 return 0;
647}
648
649static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
650{
651 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
652 struct mxb *mxb = (struct mxb *)dev->ext_priv;
653
654 DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
655 if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) {
656 if (mxb->cur_audinput != a->index) {
657 mxb->cur_audinput = a->index;
658 tea6420_route(mxb, a->index);
659 if (mxb->cur_audinput == 0)
660 mxb_update_audmode(mxb);
661 }
662 return 0;
663 }
664 return -EINVAL;
665}
666
667#ifdef CONFIG_VIDEO_ADV_DEBUG
668static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
669{
670 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
671
672 if (!capable(CAP_SYS_ADMIN))
673 return -EPERM;
674 if (v4l2_chip_match_host(®->match)) {
675 reg->val = saa7146_read(dev, reg->reg);
676 reg->size = 4;
677 return 0;
678 }
679 call_all(dev, core, g_register, reg);
680 return 0;
681}
682
683static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
684{
685 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
686
687 if (!capable(CAP_SYS_ADMIN))
688 return -EPERM;
689 if (v4l2_chip_match_host(®->match)) {
690 saa7146_write(dev, reg->reg, reg->val);
691 reg->size = 4;
692 return 0;
693 }
694 return call_all(dev, core, s_register, reg);
695}
696#endif
697
698static struct saa7146_ext_vv vv_data;
699
700/* this function only gets called when the probing was successful */
701static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
702{
703 struct mxb *mxb;
704
705 DEB_EE("dev:%p\n", dev);
706
707 saa7146_vv_init(dev, &vv_data);
708 if (mxb_probe(dev)) {
709 saa7146_vv_release(dev);
710 return -1;
711 }
712 mxb = (struct mxb *)dev->ext_priv;
713
714 vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
715 vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
716 vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
717 vv_data.vid_ops.vidioc_querystd = vidioc_querystd;
718 vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner;
719 vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner;
720 vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency;
721 vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency;
722 vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio;
723 vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio;
724 vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio;
725#ifdef CONFIG_VIDEO_ADV_DEBUG
726 vv_data.vid_ops.vidioc_g_register = vidioc_g_register;
727 vv_data.vid_ops.vidioc_s_register = vidioc_s_register;
728#endif
729 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
730 ERR("cannot register capture v4l2 device. skipping.\n");
731 saa7146_vv_release(dev);
732 return -1;
733 }
734
735 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
736 if (MXB_BOARD_CAN_DO_VBI(dev)) {
737 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
738 ERR("cannot register vbi v4l2 device. skipping.\n");
739 }
740 }
741
742 pr_info("found Multimedia eXtension Board #%d\n", mxb_num);
743
744 mxb_num++;
745 mxb_init_done(dev);
746 return 0;
747}
748
749static int mxb_detach(struct saa7146_dev *dev)
750{
751 struct mxb *mxb = (struct mxb *)dev->ext_priv;
752
753 DEB_EE("dev:%p\n", dev);
754
755 /* mute audio on tea6420s */
756 tea6420_route(mxb, 6);
757
758 saa7146_unregister_device(&mxb->video_dev,dev);
759 if (MXB_BOARD_CAN_DO_VBI(dev))
760 saa7146_unregister_device(&mxb->vbi_dev, dev);
761 saa7146_vv_release(dev);
762
763 mxb_num--;
764
765 i2c_del_adapter(&mxb->i2c_adapter);
766 kfree(mxb);
767
768 return 0;
769}
770
771static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
772{
773 struct mxb *mxb = (struct mxb *)dev->ext_priv;
774
775 if (V4L2_STD_PAL_I == standard->id) {
776 v4l2_std_id std = V4L2_STD_PAL_I;
777
778 DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n");
779 /* These two gpio calls set the GPIO pins that control the tda9820 */
780 saa7146_write(dev, GPIO_CTRL, 0x00404050);
781 saa7111a_call(mxb, core, s_gpio, 0);
782 saa7111a_call(mxb, core, s_std, std);
783 if (mxb->cur_input == 0)
784 tuner_call(mxb, core, s_std, std);
785 } else {
786 v4l2_std_id std = V4L2_STD_PAL_BG;
787
788 if (mxb->cur_input)
789 std = standard->id;
790 DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n");
791 /* These two gpio calls set the GPIO pins that control the tda9820 */
792 saa7146_write(dev, GPIO_CTRL, 0x00404050);
793 saa7111a_call(mxb, core, s_gpio, 1);
794 saa7111a_call(mxb, core, s_std, std);
795 if (mxb->cur_input == 0)
796 tuner_call(mxb, core, s_std, std);
797 }
798 return 0;
799}
800
801static struct saa7146_standard standard[] = {
802 {
803 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
804 .v_offset = 0x17, .v_field = 288,
805 .h_offset = 0x14, .h_pixels = 680,
806 .v_max_out = 576, .h_max_out = 768,
807 }, {
808 .name = "PAL-I", .id = V4L2_STD_PAL_I,
809 .v_offset = 0x17, .v_field = 288,
810 .h_offset = 0x14, .h_pixels = 680,
811 .v_max_out = 576, .h_max_out = 768,
812 }, {
813 .name = "NTSC", .id = V4L2_STD_NTSC,
814 .v_offset = 0x16, .v_field = 240,
815 .h_offset = 0x06, .h_pixels = 708,
816 .v_max_out = 480, .h_max_out = 640,
817 }, {
818 .name = "SECAM", .id = V4L2_STD_SECAM,
819 .v_offset = 0x14, .v_field = 288,
820 .h_offset = 0x14, .h_pixels = 720,
821 .v_max_out = 576, .h_max_out = 768,
822 }
823};
824
825static struct saa7146_pci_extension_data mxb = {
826 .ext_priv = "Multimedia eXtension Board",
827 .ext = &extension,
828};
829
830static struct pci_device_id pci_tbl[] = {
831 {
832 .vendor = PCI_VENDOR_ID_PHILIPS,
833 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
834 .subvendor = 0x0000,
835 .subdevice = 0x0000,
836 .driver_data = (unsigned long)&mxb,
837 }, {
838 .vendor = 0,
839 }
840};
841
842MODULE_DEVICE_TABLE(pci, pci_tbl);
843
844static struct saa7146_ext_vv vv_data = {
845 .inputs = MXB_INPUTS,
846 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_AUDIO,
847 .stds = &standard[0],
848 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
849 .std_callback = &std_callback,
850};
851
852static struct saa7146_extension extension = {
853 .name = "Multimedia eXtension Board",
854 .flags = SAA7146_USE_I2C_IRQ,
855
856 .pci_tbl = &pci_tbl[0],
857 .module = THIS_MODULE,
858
859 .attach = mxb_attach,
860 .detach = mxb_detach,
861
862 .irq_mask = 0,
863 .irq_func = NULL,
864};
865
866static int __init mxb_init_module(void)
867{
868 if (saa7146_register_extension(&extension)) {
869 DEB_S("failed to register extension\n");
870 return -ENODEV;
871 }
872
873 return 0;
874}
875
876static void __exit mxb_cleanup_module(void)
877{
878 saa7146_unregister_extension(&extension);
879}
880
881module_init(mxb_init_module);
882module_exit(mxb_cleanup_module);
883
884MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
885MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
886MODULE_LICENSE("GPL");