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Diffstat (limited to 'drivers/media/video/mxb.c')
-rw-r--r--drivers/media/video/mxb.c872
1 files changed, 872 insertions, 0 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
new file mode 100644
index 00000000000..0b385002350
--- /dev/null
+++ b/drivers/media/video/mxb.c
@@ -0,0 +1,872 @@
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 DEBUG_VARIABLE debug
25
26#include <media/saa7146_vv.h>
27#include <media/tuner.h>
28#include <media/v4l2-common.h>
29#include <media/saa7115.h>
30
31#include "mxb.h"
32#include "tea6415c.h"
33#include "tea6420.h"
34
35#define I2C_SAA7111A 0x24
36#define I2C_TDA9840 0x42
37#define I2C_TEA6415C 0x43
38#define I2C_TEA6420_1 0x4c
39#define I2C_TEA6420_2 0x4d
40#define I2C_TUNER 0x60
41
42#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
43
44/* global variable */
45static int mxb_num;
46
47/* initial frequence the tuner will be tuned to.
48 in verden (lower saxony, germany) 4148 is a
49 channel called "phoenix" */
50static int freq = 4148;
51module_param(freq, int, 0644);
52MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
53
54static int debug;
55module_param(debug, int, 0644);
56MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
57
58#define MXB_INPUTS 4
59enum { TUNER, AUX1, AUX3, AUX3_YC };
60
61static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
62 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
63 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
64 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
65 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD },
66};
67
68/* this array holds the information, which port of the saa7146 each
69 input actually uses. the mxb uses port 0 for every input */
70static struct {
71 int hps_source;
72 int hps_sync;
73} input_port_selection[MXB_INPUTS] = {
74 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
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};
79
80/* this array holds the information of the audio source (mxb_audios),
81 which has to be switched corresponding to the video source (mxb_channels) */
82static int video_audio_connect[MXB_INPUTS] =
83 { 0, 1, 3, 3 };
84
85struct mxb_routing {
86 u32 input;
87 u32 output;
88};
89
90/* These are the necessary input-output-pins for bringing one audio source
91 (see above) to the CD-output. Note that gain is set to 0 in this table. */
92static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
93 { { 1, 1 }, { 1, 1 } }, /* Tuner */
94 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
95 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
96 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
97 { { 1, 1 }, { 3, 1 } }, /* Radio */
98 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
99 { { 6, 1 }, { 6, 1 } } /* Mute */
100};
101
102/* These are the necessary input-output-pins for bringing one audio source
103 (see above) to the line-output. Note that gain is set to 0 in this table. */
104static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
105 { { 2, 3 }, { 1, 2 } },
106 { { 5, 3 }, { 6, 2 } },
107 { { 4, 3 }, { 6, 2 } },
108 { { 3, 3 }, { 6, 2 } },
109 { { 2, 3 }, { 3, 2 } },
110 { { 2, 3 }, { 2, 2 } },
111 { { 6, 3 }, { 6, 2 } } /* Mute */
112};
113
114#define MAXCONTROLS 1
115static struct v4l2_queryctrl mxb_controls[] = {
116 { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
117};
118
119struct mxb
120{
121 struct video_device *video_dev;
122 struct video_device *vbi_dev;
123
124 struct i2c_adapter i2c_adapter;
125
126 struct v4l2_subdev *saa7111a;
127 struct v4l2_subdev *tda9840;
128 struct v4l2_subdev *tea6415c;
129 struct v4l2_subdev *tuner;
130 struct v4l2_subdev *tea6420_1;
131 struct v4l2_subdev *tea6420_2;
132
133 int cur_mode; /* current audio mode (mono, stereo, ...) */
134 int cur_input; /* current input */
135 int cur_mute; /* current mute status */
136 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
137};
138
139#define saa7111a_call(mxb, o, f, args...) \
140 v4l2_subdev_call(mxb->saa7111a, 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)
149
150static inline void tea6420_route_cd(struct mxb *mxb, int idx)
151{
152 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
153 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
154 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
155 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
156}
157
158static inline void tea6420_route_line(struct mxb *mxb, int idx)
159{
160 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
161 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
162 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
163 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
164}
165
166static struct saa7146_extension extension;
167
168static int mxb_probe(struct saa7146_dev *dev)
169{
170 struct mxb *mxb = NULL;
171
172 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
173 if (mxb == NULL) {
174 DEB_D(("not enough kernel memory.\n"));
175 return -ENOMEM;
176 }
177
178 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
179
180 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
181 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
182 DEB_S(("cannot register i2c-device. skipping.\n"));
183 kfree(mxb);
184 return -EFAULT;
185 }
186
187 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
188 "saa7111", I2C_SAA7111A, NULL);
189 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
190 "tea6420", I2C_TEA6420_1, NULL);
191 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
192 "tea6420", I2C_TEA6420_2, NULL);
193 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
194 "tea6415c", I2C_TEA6415C, NULL);
195 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
196 "tda9840", I2C_TDA9840, NULL);
197 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
198 "tuner", I2C_TUNER, NULL);
199
200 /* check if all devices are present */
201 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
202 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
203 printk("mxb: did not find all i2c devices. aborting\n");
204 i2c_del_adapter(&mxb->i2c_adapter);
205 kfree(mxb);
206 return -ENODEV;
207 }
208
209 /* all devices are present, probe was successful */
210
211 /* we store the pointer in our private data field */
212 dev->ext_priv = mxb;
213
214 return 0;
215}
216
217/* some init data for the saa7740, the so-called 'sound arena module'.
218 there are no specs available, so we simply use some init values */
219static struct {
220 int length;
221 char data[9];
222} mxb_saa7740_init[] = {
223 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
224 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
225 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
226 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
227 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
228 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
229 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
230 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
231 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
232 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
233 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
234 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
235 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
236 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
237 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
238 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
239 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
240 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
241 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
242 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
243 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
244 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
245 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
246 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
247 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
248 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
249 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
250 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
251 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
252 { 3, { 0x48, 0x00, 0x01 } },
253 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
254 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
255 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
256 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
257 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
258 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
259 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
260 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
261 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
262 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
263 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
264 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
265 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
266 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
267 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
268 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
269 { 3, { 0x80, 0xb3, 0x0a } },
270 {-1, { 0 } }
271};
272
273/* bring hardware to a sane state. this has to be done, just in case someone
274 wants to capture from this device before it has been properly initialized.
275 the capture engine would badly fail, because no valid signal arrives on the
276 saa7146, thus leading to timeouts and stuff. */
277static int mxb_init_done(struct saa7146_dev* dev)
278{
279 struct mxb* mxb = (struct mxb*)dev->ext_priv;
280 struct i2c_msg msg;
281 struct tuner_setup tun_setup;
282 v4l2_std_id std = V4L2_STD_PAL_BG;
283
284 int i = 0, err = 0;
285
286 /* select video mode in saa7111a */
287 saa7111a_call(mxb, core, s_std, std);
288
289 /* select tuner-output on saa7111a */
290 i = 0;
291 saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
292 SAA7111_FMT_CCIR, 0);
293
294 /* select a tuner type */
295 tun_setup.mode_mask = T_ANALOG_TV;
296 tun_setup.addr = ADDR_UNSET;
297 tun_setup.type = TUNER_PHILIPS_PAL;
298 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
299 /* tune in some frequency on tuner */
300 mxb->cur_freq.tuner = 0;
301 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
302 mxb->cur_freq.frequency = freq;
303 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
304
305 /* set a default video standard */
306 tuner_call(mxb, core, s_std, std);
307
308 /* mute audio on tea6420s */
309 tea6420_route_line(mxb, 6);
310 tea6420_route_cd(mxb, 6);
311
312 /* switch to tuner-channel on tea6415c */
313 tea6415c_call(mxb, video, s_routing, 3, 17, 0);
314
315 /* select tuner-output on multicable on tea6415c */
316 tea6415c_call(mxb, video, s_routing, 3, 13, 0);
317
318 /* the rest for mxb */
319 mxb->cur_input = 0;
320 mxb->cur_mute = 1;
321
322 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
323
324 /* check if the saa7740 (aka 'sound arena module') is present
325 on the mxb. if so, we must initialize it. due to lack of
326 informations about the saa7740, the values were reverse
327 engineered. */
328 msg.addr = 0x1b;
329 msg.flags = 0;
330 msg.len = mxb_saa7740_init[0].length;
331 msg.buf = &mxb_saa7740_init[0].data[0];
332
333 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
334 if (err == 1) {
335 /* the sound arena module is a pos, that's probably the reason
336 philips refuses to hand out a datasheet for the saa7740...
337 it seems to screw up the i2c bus, so we disable fast irq
338 based i2c transactions here and rely on the slow and safe
339 polling method ... */
340 extension.flags &= ~SAA7146_USE_I2C_IRQ;
341 for (i = 1; ; i++) {
342 if (-1 == mxb_saa7740_init[i].length)
343 break;
344
345 msg.len = mxb_saa7740_init[i].length;
346 msg.buf = &mxb_saa7740_init[i].data[0];
347 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
348 if (err != 1) {
349 DEB_D(("failed to initialize 'sound arena module'.\n"));
350 goto err;
351 }
352 }
353 INFO(("'sound arena module' detected.\n"));
354 }
355err:
356 /* the rest for saa7146: you should definitely set some basic values
357 for the input-port handling of the saa7146. */
358
359 /* ext->saa has been filled by the core driver */
360
361 /* some stuff is done via variables */
362 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
363 input_port_selection[mxb->cur_input].hps_sync);
364
365 /* some stuff is done via direct write to the registers */
366
367 /* this is ugly, but because of the fact that this is completely
368 hardware dependend, it should be done directly... */
369 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
370 saa7146_write(dev, DD1_INIT, 0x02000200);
371 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
372
373 return 0;
374}
375
376/* interrupt-handler. this gets called when irq_mask is != 0.
377 it must clear the interrupt-bits in irq_mask it has handled */
378/*
379void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
380{
381 struct mxb* mxb = (struct mxb*)dev->ext_priv;
382}
383*/
384
385static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
386{
387 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
388 int i;
389
390 for (i = MAXCONTROLS - 1; i >= 0; i--) {
391 if (mxb_controls[i].id == qc->id) {
392 *qc = mxb_controls[i];
393 DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
394 return 0;
395 }
396 }
397 return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
398}
399
400static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
401{
402 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
403 struct mxb *mxb = (struct mxb *)dev->ext_priv;
404 int i;
405
406 for (i = MAXCONTROLS - 1; i >= 0; i--) {
407 if (mxb_controls[i].id == vc->id)
408 break;
409 }
410
411 if (i < 0)
412 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
413
414 if (vc->id == V4L2_CID_AUDIO_MUTE) {
415 vc->value = mxb->cur_mute;
416 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
417 return 0;
418 }
419
420 DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
421 return 0;
422}
423
424static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
425{
426 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
427 struct mxb *mxb = (struct mxb *)dev->ext_priv;
428 int i = 0;
429
430 for (i = MAXCONTROLS - 1; i >= 0; i--) {
431 if (mxb_controls[i].id == vc->id)
432 break;
433 }
434
435 if (i < 0)
436 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
437
438 if (vc->id == V4L2_CID_AUDIO_MUTE) {
439 mxb->cur_mute = vc->value;
440 /* switch the audio-source */
441 tea6420_route_line(mxb, vc->value ? 6 :
442 video_audio_connect[mxb->cur_input]);
443 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
444 }
445 return 0;
446}
447
448static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
449{
450 DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
451 if (i->index >= MXB_INPUTS)
452 return -EINVAL;
453 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
454 return 0;
455}
456
457static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
458{
459 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
460 struct mxb *mxb = (struct mxb *)dev->ext_priv;
461 *i = mxb->cur_input;
462
463 DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
464 return 0;
465}
466
467static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
468{
469 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
470 struct mxb *mxb = (struct mxb *)dev->ext_priv;
471 int err = 0;
472 int i = 0;
473
474 DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
475
476 if (input >= MXB_INPUTS)
477 return -EINVAL;
478
479 mxb->cur_input = input;
480
481 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
482 input_port_selection[input].hps_sync);
483
484 /* prepare switching of tea6415c and saa7111a;
485 have a look at the 'background'-file for further informations */
486 switch (input) {
487 case TUNER:
488 i = SAA7115_COMPOSITE0;
489
490 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
491
492 /* connect tuner-output always to multicable */
493 if (!err)
494 err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
495 break;
496 case AUX3_YC:
497 /* nothing to be done here. aux3_yc is
498 directly connected to the saa711a */
499 i = SAA7115_SVIDEO1;
500 break;
501 case AUX3:
502 /* nothing to be done here. aux3 is
503 directly connected to the saa711a */
504 i = SAA7115_COMPOSITE1;
505 break;
506 case AUX1:
507 i = SAA7115_COMPOSITE0;
508 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
509 break;
510 }
511
512 if (err)
513 return err;
514
515 /* switch video in saa7111a */
516 if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
517 printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a.\n");
518
519 /* switch the audio-source only if necessary */
520 if (0 == mxb->cur_mute)
521 tea6420_route_line(mxb, video_audio_connect[input]);
522
523 return 0;
524}
525
526static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
527{
528 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
529 struct mxb *mxb = (struct mxb *)dev->ext_priv;
530
531 if (t->index) {
532 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
533 return -EINVAL;
534 }
535
536 DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
537
538 memset(t, 0, sizeof(*t));
539 strlcpy(t->name, "TV Tuner", sizeof(t->name));
540 t->type = V4L2_TUNER_ANALOG_TV;
541 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
542 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
543 t->audmode = mxb->cur_mode;
544 return call_all(dev, tuner, g_tuner, t);
545}
546
547static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
548{
549 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
550 struct mxb *mxb = (struct mxb *)dev->ext_priv;
551
552 if (t->index) {
553 DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n", t->index));
554 return -EINVAL;
555 }
556
557 mxb->cur_mode = t->audmode;
558 return call_all(dev, tuner, s_tuner, t);
559}
560
561static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
562{
563 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
564 struct mxb *mxb = (struct mxb *)dev->ext_priv;
565
566 if (mxb->cur_input) {
567 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
568 mxb->cur_input));
569 return -EINVAL;
570 }
571
572 *f = mxb->cur_freq;
573
574 DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
575 return 0;
576}
577
578static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
579{
580 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
581 struct mxb *mxb = (struct mxb *)dev->ext_priv;
582 struct saa7146_vv *vv = dev->vv_data;
583
584 if (f->tuner)
585 return -EINVAL;
586
587 if (V4L2_TUNER_ANALOG_TV != f->type)
588 return -EINVAL;
589
590 if (mxb->cur_input) {
591 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
592 return -EINVAL;
593 }
594
595 mxb->cur_freq = *f;
596 DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
597
598 /* tune in desired frequency */
599 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
600
601 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
602 spin_lock(&dev->slock);
603 vv->vbi_fieldcount = 0;
604 spin_unlock(&dev->slock);
605
606 return 0;
607}
608
609static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
610{
611 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
612 struct mxb *mxb = (struct mxb *)dev->ext_priv;
613
614 if (a->index > MXB_INPUTS) {
615 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
616 return -EINVAL;
617 }
618
619 DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
620 memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
621 return 0;
622}
623
624static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
625{
626 DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
627 return 0;
628}
629
630#ifdef CONFIG_VIDEO_ADV_DEBUG
631static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
632{
633 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
634
635 return call_all(dev, core, g_register, reg);
636}
637
638static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
639{
640 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
641
642 return call_all(dev, core, s_register, reg);
643}
644#endif
645
646static long vidioc_default(struct file *file, void *fh, bool valid_prio,
647 int cmd, void *arg)
648{
649 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
650 struct mxb *mxb = (struct mxb *)dev->ext_priv;
651
652 switch (cmd) {
653 case MXB_S_AUDIO_CD:
654 {
655 int i = *(int *)arg;
656
657 if (i < 0 || i >= MXB_AUDIOS) {
658 DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
659 return -EINVAL;
660 }
661
662 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
663
664 tea6420_route_cd(mxb, i);
665 return 0;
666 }
667 case MXB_S_AUDIO_LINE:
668 {
669 int i = *(int *)arg;
670
671 if (i < 0 || i >= MXB_AUDIOS) {
672 DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
673 return -EINVAL;
674 }
675
676 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
677 tea6420_route_line(mxb, i);
678 return 0;
679 }
680 default:
681/*
682 DEB2(printk("does not handle this ioctl.\n"));
683*/
684 return -ENOIOCTLCMD;
685 }
686 return 0;
687}
688
689static struct saa7146_ext_vv vv_data;
690
691/* this function only gets called when the probing was successful */
692static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
693{
694 struct mxb *mxb;
695
696 DEB_EE(("dev:%p\n", dev));
697
698 saa7146_vv_init(dev, &vv_data);
699 if (mxb_probe(dev)) {
700 saa7146_vv_release(dev);
701 return -1;
702 }
703 mxb = (struct mxb *)dev->ext_priv;
704
705 vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
706 vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
707 vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
708 vv_data.ops.vidioc_enum_input = vidioc_enum_input;
709 vv_data.ops.vidioc_g_input = vidioc_g_input;
710 vv_data.ops.vidioc_s_input = vidioc_s_input;
711 vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
712 vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
713 vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
714 vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
715 vv_data.ops.vidioc_g_audio = vidioc_g_audio;
716 vv_data.ops.vidioc_s_audio = vidioc_s_audio;
717#ifdef CONFIG_VIDEO_ADV_DEBUG
718 vv_data.ops.vidioc_g_register = vidioc_g_register;
719 vv_data.ops.vidioc_s_register = vidioc_s_register;
720#endif
721 vv_data.ops.vidioc_default = vidioc_default;
722 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
723 ERR(("cannot register capture v4l2 device. skipping.\n"));
724 saa7146_vv_release(dev);
725 return -1;
726 }
727
728 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
729 if (MXB_BOARD_CAN_DO_VBI(dev)) {
730 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
731 ERR(("cannot register vbi v4l2 device. skipping.\n"));
732 }
733 }
734
735 printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
736
737 mxb_num++;
738 mxb_init_done(dev);
739 return 0;
740}
741
742static int mxb_detach(struct saa7146_dev *dev)
743{
744 struct mxb *mxb = (struct mxb *)dev->ext_priv;
745
746 DEB_EE(("dev:%p\n", dev));
747
748 saa7146_unregister_device(&mxb->video_dev,dev);
749 if (MXB_BOARD_CAN_DO_VBI(dev))
750 saa7146_unregister_device(&mxb->vbi_dev, dev);
751 saa7146_vv_release(dev);
752
753 mxb_num--;
754
755 i2c_del_adapter(&mxb->i2c_adapter);
756 kfree(mxb);
757
758 return 0;
759}
760
761static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
762{
763 struct mxb *mxb = (struct mxb *)dev->ext_priv;
764
765 if (V4L2_STD_PAL_I == standard->id) {
766 v4l2_std_id std = V4L2_STD_PAL_I;
767
768 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
769 /* set the 7146 gpio register -- I don't know what this does exactly */
770 saa7146_write(dev, GPIO_CTRL, 0x00404050);
771 /* unset the 7111 gpio register -- I don't know what this does exactly */
772 saa7111a_call(mxb, core, s_gpio, 0);
773 tuner_call(mxb, core, s_std, std);
774 } else {
775 v4l2_std_id std = V4L2_STD_PAL_BG;
776
777 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
778 /* set the 7146 gpio register -- I don't know what this does exactly */
779 saa7146_write(dev, GPIO_CTRL, 0x00404050);
780 /* set the 7111 gpio register -- I don't know what this does exactly */
781 saa7111a_call(mxb, core, s_gpio, 1);
782 tuner_call(mxb, core, s_std, std);
783 }
784 return 0;
785}
786
787static struct saa7146_standard standard[] = {
788 {
789 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
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 = "PAL-I", .id = V4L2_STD_PAL_I,
795 .v_offset = 0x17, .v_field = 288,
796 .h_offset = 0x14, .h_pixels = 680,
797 .v_max_out = 576, .h_max_out = 768,
798 }, {
799 .name = "NTSC", .id = V4L2_STD_NTSC,
800 .v_offset = 0x16, .v_field = 240,
801 .h_offset = 0x06, .h_pixels = 708,
802 .v_max_out = 480, .h_max_out = 640,
803 }, {
804 .name = "SECAM", .id = V4L2_STD_SECAM,
805 .v_offset = 0x14, .v_field = 288,
806 .h_offset = 0x14, .h_pixels = 720,
807 .v_max_out = 576, .h_max_out = 768,
808 }
809};
810
811static struct saa7146_pci_extension_data mxb = {
812 .ext_priv = "Multimedia eXtension Board",
813 .ext = &extension,
814};
815
816static struct pci_device_id pci_tbl[] = {
817 {
818 .vendor = PCI_VENDOR_ID_PHILIPS,
819 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
820 .subvendor = 0x0000,
821 .subdevice = 0x0000,
822 .driver_data = (unsigned long)&mxb,
823 }, {
824 .vendor = 0,
825 }
826};
827
828MODULE_DEVICE_TABLE(pci, pci_tbl);
829
830static struct saa7146_ext_vv vv_data = {
831 .inputs = MXB_INPUTS,
832 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
833 .stds = &standard[0],
834 .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
835 .std_callback = &std_callback,
836};
837
838static struct saa7146_extension extension = {
839 .name = MXB_IDENTIFIER,
840 .flags = SAA7146_USE_I2C_IRQ,
841
842 .pci_tbl = &pci_tbl[0],
843 .module = THIS_MODULE,
844
845 .attach = mxb_attach,
846 .detach = mxb_detach,
847
848 .irq_mask = 0,
849 .irq_func = NULL,
850};
851
852static int __init mxb_init_module(void)
853{
854 if (saa7146_register_extension(&extension)) {
855 DEB_S(("failed to register extension.\n"));
856 return -ENODEV;
857 }
858
859 return 0;
860}
861
862static void __exit mxb_cleanup_module(void)
863{
864 saa7146_unregister_extension(&extension);
865}
866
867module_init(mxb_init_module);
868module_exit(mxb_cleanup_module);
869
870MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
871MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
872MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2026-03-22 11:14:18 -0400