1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 mxb - v4l2 driver for the Multimedia eXtension Board
4
5 Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>
6
7 Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html
8 for further details about this card.
9
10 */
11
12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
13
14 #define DEBUG_VARIABLE debug
15
16 #include <media/drv-intf/saa7146_vv.h>
17 #include <media/tuner.h>
18 #include <media/v4l2-common.h>
19 #include <media/i2c/saa7115.h>
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22
23 #include "tea6415c.h"
24 #include "tea6420.h"
25
26 #define MXB_AUDIOS 6
27
28 #define I2C_SAA7111A 0x24
29 #define I2C_TDA9840 0x42
30 #define I2C_TEA6415C 0x43
31 #define I2C_TEA6420_1 0x4c
32 #define I2C_TEA6420_2 0x4d
33 #define I2C_TUNER 0x60
34
35 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
36
37 /* global variable */
38 static int mxb_num;
39
40 /* initial frequence the tuner will be tuned to.
41 in verden (lower saxony, germany) 4148 is a
42 channel called "phoenix" */
43 static int freq = 4148;
44 module_param(freq, int, 0644);
45 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
46
47 static int debug;
48 module_param(debug, int, 0644);
49 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
50
51 #define MXB_INPUTS 4
52 enum { TUNER, AUX1, AUX3, AUX3_YC };
53
54 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
55 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 0x3f, 0,
56 V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD },
57 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
58 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
59 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
60 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
61 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
62 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
63 };
64
65 /* this array holds the information, which port of the saa7146 each
66 input actually uses. the mxb uses port 0 for every input */
67 static struct {
68 int hps_source;
69 int hps_sync;
70 } input_port_selection[MXB_INPUTS] = {
71 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
72 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
73 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
74 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
75 };
76
77 /* this array holds the information of the audio source (mxb_audios),
78 which has to be switched corresponding to the video source (mxb_channels) */
79 static int video_audio_connect[MXB_INPUTS] =
80 { 0, 1, 3, 3 };
81
82 struct mxb_routing {
83 u32 input;
84 u32 output;
85 };
86
87 /* these are the available audio sources, which can switched
88 to the line- and cd-output individually */
89 static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
90 {
91 .index = 0,
92 .name = "Tuner",
93 .capability = V4L2_AUDCAP_STEREO,
94 } , {
95 .index = 1,
96 .name = "AUX1",
97 .capability = V4L2_AUDCAP_STEREO,
98 } , {
99 .index = 2,
100 .name = "AUX2",
101 .capability = V4L2_AUDCAP_STEREO,
102 } , {
103 .index = 3,
104 .name = "AUX3",
105 .capability = V4L2_AUDCAP_STEREO,
106 } , {
107 .index = 4,
108 .name = "Radio (X9)",
109 .capability = V4L2_AUDCAP_STEREO,
110 } , {
111 .index = 5,
112 .name = "CD-ROM (X10)",
113 .capability = V4L2_AUDCAP_STEREO,
114 }
115 };
116
117 /* These are the necessary input-output-pins for bringing one audio source
118 (see above) to the CD-output. Note that gain is set to 0 in this table. */
119 static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
120 { { 1, 1 }, { 1, 1 } }, /* Tuner */
121 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
122 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
123 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
124 { { 1, 1 }, { 3, 1 } }, /* Radio */
125 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
126 { { 6, 1 }, { 6, 1 } } /* Mute */
127 };
128
129 /* These are the necessary input-output-pins for bringing one audio source
130 (see above) to the line-output. Note that gain is set to 0 in this table. */
131 static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
132 { { 2, 3 }, { 1, 2 } },
133 { { 5, 3 }, { 6, 2 } },
134 { { 4, 3 }, { 6, 2 } },
135 { { 3, 3 }, { 6, 2 } },
136 { { 2, 3 }, { 3, 2 } },
137 { { 2, 3 }, { 2, 2 } },
138 { { 6, 3 }, { 6, 2 } } /* Mute */
139 };
140
141 struct mxb
142 {
143 struct video_device video_dev;
144 struct video_device vbi_dev;
145
146 struct i2c_adapter i2c_adapter;
147
148 struct v4l2_subdev *saa7111a;
149 struct v4l2_subdev *tda9840;
150 struct v4l2_subdev *tea6415c;
151 struct v4l2_subdev *tuner;
152 struct v4l2_subdev *tea6420_1;
153 struct v4l2_subdev *tea6420_2;
154
155 int cur_mode; /* current audio mode (mono, stereo, ...) */
156 int cur_input; /* current input */
157 int cur_audinput; /* current audio input */
158 int cur_mute; /* current mute status */
159 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
160 };
161
162 #define saa7111a_call(mxb, o, f, args...) \
163 v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
164 #define tda9840_call(mxb, o, f, args...) \
165 v4l2_subdev_call(mxb->tda9840, o, f, ##args)
166 #define tea6415c_call(mxb, o, f, args...) \
167 v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
168 #define tuner_call(mxb, o, f, args...) \
169 v4l2_subdev_call(mxb->tuner, o, f, ##args)
170 #define call_all(dev, o, f, args...) \
171 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
172
mxb_update_audmode(struct mxb * mxb)173 static void mxb_update_audmode(struct mxb *mxb)
174 {
175 struct v4l2_tuner t = {
176 .audmode = mxb->cur_mode,
177 };
178
179 tda9840_call(mxb, tuner, s_tuner, &t);
180 }
181
tea6420_route(struct mxb * mxb,int idx)182 static inline void tea6420_route(struct mxb *mxb, int idx)
183 {
184 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
185 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
186 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
187 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
188 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
189 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
190 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
191 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
192 }
193
194 static struct saa7146_extension extension;
195
mxb_s_ctrl(struct v4l2_ctrl * ctrl)196 static int mxb_s_ctrl(struct v4l2_ctrl *ctrl)
197 {
198 struct saa7146_dev *dev = container_of(ctrl->handler,
199 struct saa7146_dev, ctrl_handler);
200 struct mxb *mxb = dev->ext_priv;
201
202 switch (ctrl->id) {
203 case V4L2_CID_AUDIO_MUTE:
204 mxb->cur_mute = ctrl->val;
205 /* switch the audio-source */
206 tea6420_route(mxb, ctrl->val ? 6 :
207 video_audio_connect[mxb->cur_input]);
208 break;
209 default:
210 return -EINVAL;
211 }
212 return 0;
213 }
214
215 static const struct v4l2_ctrl_ops mxb_ctrl_ops = {
216 .s_ctrl = mxb_s_ctrl,
217 };
218
mxb_probe(struct saa7146_dev * dev)219 static int mxb_probe(struct saa7146_dev *dev)
220 {
221 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
222 struct mxb *mxb = NULL;
223
224 v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops,
225 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
226 if (hdl->error)
227 return hdl->error;
228 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
229 if (mxb == NULL) {
230 DEB_D("not enough kernel memory\n");
231 return -ENOMEM;
232 }
233
234
235 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
236
237 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
238 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
239 DEB_S("cannot register i2c-device. skipping.\n");
240 kfree(mxb);
241 return -EFAULT;
242 }
243
244 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
245 "saa7111", I2C_SAA7111A, NULL);
246 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
247 "tea6420", I2C_TEA6420_1, NULL);
248 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
249 "tea6420", I2C_TEA6420_2, NULL);
250 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
251 "tea6415c", I2C_TEA6415C, NULL);
252 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
253 "tda9840", I2C_TDA9840, NULL);
254 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
255 "tuner", I2C_TUNER, NULL);
256
257 /* check if all devices are present */
258 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
259 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
260 pr_err("did not find all i2c devices. aborting\n");
261 i2c_del_adapter(&mxb->i2c_adapter);
262 kfree(mxb);
263 return -ENODEV;
264 }
265
266 /* all devices are present, probe was successful */
267
268 /* we store the pointer in our private data field */
269 dev->ext_priv = mxb;
270
271 v4l2_ctrl_handler_setup(hdl);
272
273 return 0;
274 }
275
276 /* some init data for the saa7740, the so-called 'sound arena module'.
277 there are no specs available, so we simply use some init values */
278 static struct {
279 int length;
280 char data[9];
281 } mxb_saa7740_init[] = {
282 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
283 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
284 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
285 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
286 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
287 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
288 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
289 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
290 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
291 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
292 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
293 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
294 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
295 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
296 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
297 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
298 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
299 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
300 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
301 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
302 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
303 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
304 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
305 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
306 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
307 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
308 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
309 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
310 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
311 { 3, { 0x48, 0x00, 0x01 } },
312 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
313 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
314 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
315 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
316 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
317 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
318 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
319 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
320 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
321 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
322 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
323 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
324 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
325 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
326 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
327 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
328 { 3, { 0x80, 0xb3, 0x0a } },
329 {-1, { 0 } }
330 };
331
332 /* bring hardware to a sane state. this has to be done, just in case someone
333 wants to capture from this device before it has been properly initialized.
334 the capture engine would badly fail, because no valid signal arrives on the
335 saa7146, thus leading to timeouts and stuff. */
mxb_init_done(struct saa7146_dev * dev)336 static int mxb_init_done(struct saa7146_dev* dev)
337 {
338 struct mxb* mxb = (struct mxb*)dev->ext_priv;
339 struct i2c_msg msg;
340 struct tuner_setup tun_setup;
341 v4l2_std_id std = V4L2_STD_PAL_BG;
342
343 int i = 0, err = 0;
344
345 /* mute audio on tea6420s */
346 tea6420_route(mxb, 6);
347
348 /* select video mode in saa7111a */
349 saa7111a_call(mxb, video, s_std, std);
350
351 /* select tuner-output on saa7111a */
352 i = 0;
353 saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
354 SAA7111_FMT_CCIR, 0);
355
356 /* select a tuner type */
357 tun_setup.mode_mask = T_ANALOG_TV;
358 tun_setup.addr = ADDR_UNSET;
359 tun_setup.type = TUNER_PHILIPS_PAL;
360 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
361 /* tune in some frequency on tuner */
362 mxb->cur_freq.tuner = 0;
363 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
364 mxb->cur_freq.frequency = freq;
365 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
366
367 /* set a default video standard */
368 /* These two gpio calls set the GPIO pins that control the tda9820 */
369 saa7146_write(dev, GPIO_CTRL, 0x00404050);
370 saa7111a_call(mxb, core, s_gpio, 1);
371 saa7111a_call(mxb, video, s_std, std);
372 tuner_call(mxb, video, s_std, std);
373
374 /* switch to tuner-channel on tea6415c */
375 tea6415c_call(mxb, video, s_routing, 3, 17, 0);
376
377 /* select tuner-output on multicable on tea6415c */
378 tea6415c_call(mxb, video, s_routing, 3, 13, 0);
379
380 /* the rest for mxb */
381 mxb->cur_input = 0;
382 mxb->cur_audinput = video_audio_connect[mxb->cur_input];
383 mxb->cur_mute = 1;
384
385 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
386 mxb_update_audmode(mxb);
387
388 /* check if the saa7740 (aka 'sound arena module') is present
389 on the mxb. if so, we must initialize it. due to lack of
390 information about the saa7740, the values were reverse
391 engineered. */
392 msg.addr = 0x1b;
393 msg.flags = 0;
394 msg.len = mxb_saa7740_init[0].length;
395 msg.buf = &mxb_saa7740_init[0].data[0];
396
397 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
398 if (err == 1) {
399 /* the sound arena module is a pos, that's probably the reason
400 philips refuses to hand out a datasheet for the saa7740...
401 it seems to screw up the i2c bus, so we disable fast irq
402 based i2c transactions here and rely on the slow and safe
403 polling method ... */
404 extension.flags &= ~SAA7146_USE_I2C_IRQ;
405 for (i = 1; ; i++) {
406 if (-1 == mxb_saa7740_init[i].length)
407 break;
408
409 msg.len = mxb_saa7740_init[i].length;
410 msg.buf = &mxb_saa7740_init[i].data[0];
411 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
412 if (err != 1) {
413 DEB_D("failed to initialize 'sound arena module'\n");
414 goto err;
415 }
416 }
417 pr_info("'sound arena module' detected\n");
418 }
419 err:
420 /* the rest for saa7146: you should definitely set some basic values
421 for the input-port handling of the saa7146. */
422
423 /* ext->saa has been filled by the core driver */
424
425 /* some stuff is done via variables */
426 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
427 input_port_selection[mxb->cur_input].hps_sync);
428
429 /* some stuff is done via direct write to the registers */
430
431 /* this is ugly, but because of the fact that this is completely
432 hardware dependend, it should be done directly... */
433 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
434 saa7146_write(dev, DD1_INIT, 0x02000200);
435 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
436
437 return 0;
438 }
439
440 /* interrupt-handler. this gets called when irq_mask is != 0.
441 it must clear the interrupt-bits in irq_mask it has handled */
442 /*
443 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
444 {
445 struct mxb* mxb = (struct mxb*)dev->ext_priv;
446 }
447 */
448
vidioc_enum_input(struct file * file,void * fh,struct v4l2_input * i)449 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
450 {
451 DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
452 if (i->index >= MXB_INPUTS)
453 return -EINVAL;
454 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
455 return 0;
456 }
457
vidioc_g_input(struct file * file,void * fh,unsigned int * i)458 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
459 {
460 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
461 struct mxb *mxb = (struct mxb *)dev->ext_priv;
462 *i = mxb->cur_input;
463
464 DEB_EE("VIDIOC_G_INPUT %d\n", *i);
465 return 0;
466 }
467
vidioc_s_input(struct file * file,void * fh,unsigned int input)468 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
469 {
470 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
471 struct mxb *mxb = (struct mxb *)dev->ext_priv;
472 int err = 0;
473 int i = 0;
474
475 DEB_EE("VIDIOC_S_INPUT %d\n", input);
476
477 if (input >= MXB_INPUTS)
478 return -EINVAL;
479
480 mxb->cur_input = input;
481
482 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
483 input_port_selection[input].hps_sync);
484
485 /* prepare switching of tea6415c and saa7111a;
486 have a look at the 'background'-file for further information */
487 switch (input) {
488 case TUNER:
489 i = SAA7115_COMPOSITE0;
490
491 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
492
493 /* connect tuner-output always to multicable */
494 if (!err)
495 err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
496 break;
497 case AUX3_YC:
498 /* nothing to be done here. aux3_yc is
499 directly connected to the saa711a */
500 i = SAA7115_SVIDEO1;
501 break;
502 case AUX3:
503 /* nothing to be done here. aux3 is
504 directly connected to the saa711a */
505 i = SAA7115_COMPOSITE1;
506 break;
507 case AUX1:
508 i = SAA7115_COMPOSITE0;
509 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
510 break;
511 }
512
513 if (err)
514 return err;
515
516 /* switch video in saa7111a */
517 if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
518 pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
519
520 mxb->cur_audinput = video_audio_connect[input];
521 /* switch the audio-source only if necessary */
522 if (0 == mxb->cur_mute)
523 tea6420_route(mxb, mxb->cur_audinput);
524 if (mxb->cur_audinput == 0)
525 mxb_update_audmode(mxb);
526
527 return 0;
528 }
529
vidioc_g_tuner(struct file * file,void * fh,struct v4l2_tuner * t)530 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
531 {
532 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
533 struct mxb *mxb = (struct mxb *)dev->ext_priv;
534
535 if (t->index) {
536 DEB_D("VIDIOC_G_TUNER: channel %d does not have a tuner attached\n",
537 t->index);
538 return -EINVAL;
539 }
540
541 DEB_EE("VIDIOC_G_TUNER: %d\n", t->index);
542
543 memset(t, 0, sizeof(*t));
544 strscpy(t->name, "TV Tuner", sizeof(t->name));
545 t->type = V4L2_TUNER_ANALOG_TV;
546 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
547 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
548 t->audmode = mxb->cur_mode;
549 return call_all(dev, tuner, g_tuner, t);
550 }
551
vidioc_s_tuner(struct file * file,void * fh,const struct v4l2_tuner * t)552 static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *t)
553 {
554 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
555 struct mxb *mxb = (struct mxb *)dev->ext_priv;
556
557 if (t->index) {
558 DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n",
559 t->index);
560 return -EINVAL;
561 }
562
563 mxb->cur_mode = t->audmode;
564 return call_all(dev, tuner, s_tuner, t);
565 }
566
vidioc_querystd(struct file * file,void * fh,v4l2_std_id * norm)567 static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm)
568 {
569 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
570
571 return call_all(dev, video, querystd, norm);
572 }
573
vidioc_g_frequency(struct file * file,void * fh,struct v4l2_frequency * f)574 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
575 {
576 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
577 struct mxb *mxb = (struct mxb *)dev->ext_priv;
578
579 if (f->tuner)
580 return -EINVAL;
581 *f = mxb->cur_freq;
582
583 DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency);
584 return 0;
585 }
586
vidioc_s_frequency(struct file * file,void * fh,const struct v4l2_frequency * f)587 static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f)
588 {
589 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
590 struct mxb *mxb = (struct mxb *)dev->ext_priv;
591 struct saa7146_vv *vv = dev->vv_data;
592
593 if (f->tuner)
594 return -EINVAL;
595
596 if (V4L2_TUNER_ANALOG_TV != f->type)
597 return -EINVAL;
598
599 DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);
600
601 /* tune in desired frequency */
602 tuner_call(mxb, tuner, s_frequency, f);
603 /* let the tuner subdev clamp the frequency to the tuner range */
604 mxb->cur_freq = *f;
605 tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq);
606 if (mxb->cur_audinput == 0)
607 mxb_update_audmode(mxb);
608
609 if (mxb->cur_input)
610 return 0;
611
612 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
613 spin_lock(&dev->slock);
614 vv->vbi_fieldcount = 0;
615 spin_unlock(&dev->slock);
616
617 return 0;
618 }
619
vidioc_enumaudio(struct file * file,void * fh,struct v4l2_audio * a)620 static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
621 {
622 if (a->index >= MXB_AUDIOS)
623 return -EINVAL;
624 *a = mxb_audios[a->index];
625 return 0;
626 }
627
vidioc_g_audio(struct file * file,void * fh,struct v4l2_audio * a)628 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
629 {
630 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
631 struct mxb *mxb = (struct mxb *)dev->ext_priv;
632
633 DEB_EE("VIDIOC_G_AUDIO\n");
634 *a = mxb_audios[mxb->cur_audinput];
635 return 0;
636 }
637
vidioc_s_audio(struct file * file,void * fh,const struct v4l2_audio * a)638 static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
639 {
640 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
641 struct mxb *mxb = (struct mxb *)dev->ext_priv;
642
643 DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
644 if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) {
645 if (mxb->cur_audinput != a->index) {
646 mxb->cur_audinput = a->index;
647 tea6420_route(mxb, a->index);
648 if (mxb->cur_audinput == 0)
649 mxb_update_audmode(mxb);
650 }
651 return 0;
652 }
653 return -EINVAL;
654 }
655
656 #ifdef CONFIG_VIDEO_ADV_DEBUG
vidioc_g_register(struct file * file,void * fh,struct v4l2_dbg_register * reg)657 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
658 {
659 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
660
661 if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
662 return -EINVAL;
663 reg->val = saa7146_read(dev, reg->reg);
664 reg->size = 4;
665 return 0;
666 }
667
vidioc_s_register(struct file * file,void * fh,const struct v4l2_dbg_register * reg)668 static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
669 {
670 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
671
672 if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
673 return -EINVAL;
674 saa7146_write(dev, reg->reg, reg->val);
675 return 0;
676 }
677 #endif
678
679 static struct saa7146_ext_vv vv_data;
680
681 /* this function only gets called when the probing was successful */
mxb_attach(struct saa7146_dev * dev,struct saa7146_pci_extension_data * info)682 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
683 {
684 struct mxb *mxb;
685
686 DEB_EE("dev:%p\n", dev);
687
688 saa7146_vv_init(dev, &vv_data);
689 if (mxb_probe(dev)) {
690 saa7146_vv_release(dev);
691 return -1;
692 }
693 mxb = (struct mxb *)dev->ext_priv;
694
695 vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
696 vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
697 vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
698 vv_data.vid_ops.vidioc_querystd = vidioc_querystd;
699 vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner;
700 vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner;
701 vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency;
702 vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency;
703 vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio;
704 vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio;
705 vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio;
706 #ifdef CONFIG_VIDEO_ADV_DEBUG
707 vv_data.vid_ops.vidioc_g_register = vidioc_g_register;
708 vv_data.vid_ops.vidioc_s_register = vidioc_s_register;
709 #endif
710 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_VIDEO)) {
711 ERR("cannot register capture v4l2 device. skipping.\n");
712 saa7146_vv_release(dev);
713 return -1;
714 }
715
716 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
717 if (MXB_BOARD_CAN_DO_VBI(dev)) {
718 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
719 ERR("cannot register vbi v4l2 device. skipping.\n");
720 }
721 }
722
723 pr_info("found Multimedia eXtension Board #%d\n", mxb_num);
724
725 mxb_num++;
726 mxb_init_done(dev);
727 return 0;
728 }
729
mxb_detach(struct saa7146_dev * dev)730 static int mxb_detach(struct saa7146_dev *dev)
731 {
732 struct mxb *mxb = (struct mxb *)dev->ext_priv;
733
734 DEB_EE("dev:%p\n", dev);
735
736 /* mute audio on tea6420s */
737 tea6420_route(mxb, 6);
738
739 saa7146_unregister_device(&mxb->video_dev,dev);
740 if (MXB_BOARD_CAN_DO_VBI(dev))
741 saa7146_unregister_device(&mxb->vbi_dev, dev);
742 saa7146_vv_release(dev);
743
744 mxb_num--;
745
746 i2c_del_adapter(&mxb->i2c_adapter);
747 kfree(mxb);
748
749 return 0;
750 }
751
std_callback(struct saa7146_dev * dev,struct saa7146_standard * standard)752 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
753 {
754 struct mxb *mxb = (struct mxb *)dev->ext_priv;
755
756 if (V4L2_STD_PAL_I == standard->id) {
757 v4l2_std_id std = V4L2_STD_PAL_I;
758
759 DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n");
760 /* These two gpio calls set the GPIO pins that control the tda9820 */
761 saa7146_write(dev, GPIO_CTRL, 0x00404050);
762 saa7111a_call(mxb, core, s_gpio, 0);
763 saa7111a_call(mxb, video, s_std, std);
764 if (mxb->cur_input == 0)
765 tuner_call(mxb, video, s_std, std);
766 } else {
767 v4l2_std_id std = V4L2_STD_PAL_BG;
768
769 if (mxb->cur_input)
770 std = standard->id;
771 DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n");
772 /* These two gpio calls set the GPIO pins that control the tda9820 */
773 saa7146_write(dev, GPIO_CTRL, 0x00404050);
774 saa7111a_call(mxb, core, s_gpio, 1);
775 saa7111a_call(mxb, video, s_std, std);
776 if (mxb->cur_input == 0)
777 tuner_call(mxb, video, s_std, std);
778 }
779 return 0;
780 }
781
782 static struct saa7146_standard standard[] = {
783 {
784 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
785 .v_offset = 0x17, .v_field = 288,
786 .h_offset = 0x14, .h_pixels = 680,
787 .v_max_out = 576, .h_max_out = 768,
788 }, {
789 .name = "PAL-I", .id = V4L2_STD_PAL_I,
790 .v_offset = 0x17, .v_field = 288,
791 .h_offset = 0x14, .h_pixels = 680,
792 .v_max_out = 576, .h_max_out = 768,
793 }, {
794 .name = "NTSC", .id = V4L2_STD_NTSC,
795 .v_offset = 0x16, .v_field = 240,
796 .h_offset = 0x06, .h_pixels = 708,
797 .v_max_out = 480, .h_max_out = 640,
798 }, {
799 .name = "SECAM", .id = V4L2_STD_SECAM,
800 .v_offset = 0x14, .v_field = 288,
801 .h_offset = 0x14, .h_pixels = 720,
802 .v_max_out = 576, .h_max_out = 768,
803 }
804 };
805
806 static struct saa7146_pci_extension_data mxb = {
807 .ext_priv = "Multimedia eXtension Board",
808 .ext = &extension,
809 };
810
811 static const struct pci_device_id pci_tbl[] = {
812 {
813 .vendor = PCI_VENDOR_ID_PHILIPS,
814 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
815 .subvendor = 0x0000,
816 .subdevice = 0x0000,
817 .driver_data = (unsigned long)&mxb,
818 }, {
819 .vendor = 0,
820 }
821 };
822
823 MODULE_DEVICE_TABLE(pci, pci_tbl);
824
825 static struct saa7146_ext_vv vv_data = {
826 .inputs = MXB_INPUTS,
827 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_AUDIO,
828 .stds = &standard[0],
829 .num_stds = ARRAY_SIZE(standard),
830 .std_callback = &std_callback,
831 };
832
833 static struct saa7146_extension extension = {
834 .name = "Multimedia eXtension Board",
835 .flags = SAA7146_USE_I2C_IRQ,
836
837 .pci_tbl = &pci_tbl[0],
838 .module = THIS_MODULE,
839
840 .attach = mxb_attach,
841 .detach = mxb_detach,
842
843 .irq_mask = 0,
844 .irq_func = NULL,
845 };
846
mxb_init_module(void)847 static int __init mxb_init_module(void)
848 {
849 if (saa7146_register_extension(&extension)) {
850 DEB_S("failed to register extension\n");
851 return -ENODEV;
852 }
853
854 return 0;
855 }
856
mxb_cleanup_module(void)857 static void __exit mxb_cleanup_module(void)
858 {
859 saa7146_unregister_extension(&extension);
860 }
861
862 module_init(mxb_init_module);
863 module_exit(mxb_cleanup_module);
864
865 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
866 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
867 MODULE_LICENSE("GPL");
868
