drivers/media/video/mxb.c

   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 */
  45 static 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" */
  50 static int freq = 4148;
  51 module_param(freq, int, 0644);
  52 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
  53
  54 static int debug;
  55 module_param(debug, int, 0644);
  56 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
  57
  58 #define MXB_INPUTS 4
  59 enum { TUNER, AUX1, AUX3, AUX3_YC };
  60
  61 static 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 */
  70 static 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) */
  82 static int video_audio_connect[MXB_INPUTS] =
  83         { 0, 1, 3, 3 };
  84
  85 struct 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. */
  92 static 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. */
 104 static 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
 115 static struct v4l2_queryctrl mxb_controls[] = {
 116         { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
 117 };
 118
 119 struct 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
 150 static 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
 158 static 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
 166 static struct saa7146_extension extension;
 167
 168 static 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 */
 219 static 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. */
 277 static 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         }
 355 err:
 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 /*
 379 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
 380 {
 381         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 382 }
 383 */
 384
 385 static 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
 400 static 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
 424 static 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
 448 static 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
 457 static 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
 467 static 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
 526 static 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
 547 static 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
 561 static 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
 578 static 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
 609 static 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
 624 static 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
 631 static 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
 638 static 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
 646 static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
 647 {
 648         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 649         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 650
 651         switch (cmd) {
 652         case MXB_S_AUDIO_CD:
 653         {
 654                 int i = *(int *)arg;
 655
 656                 if (i < 0 || i >= MXB_AUDIOS) {
 657                         DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
 658                         return -EINVAL;
 659                 }
 660
 661                 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
 662
 663                 tea6420_route_cd(mxb, i);
 664                 return 0;
 665         }
 666         case MXB_S_AUDIO_LINE:
 667         {
 668                 int i = *(int *)arg;
 669
 670                 if (i < 0 || i >= MXB_AUDIOS) {
 671                         DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
 672                         return -EINVAL;
 673                 }
 674
 675                 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
 676                 tea6420_route_line(mxb, i);
 677                 return 0;
 678         }
 679         default:
 680 /*
 681                 DEB2(printk("does not handle this ioctl.\n"));
 682 */
 683                 return -ENOIOCTLCMD;
 684         }
 685         return 0;
 686 }
 687
 688 static struct saa7146_ext_vv vv_data;
 689
 690 /* this function only gets called when the probing was successful */
 691 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 692 {
 693         struct mxb *mxb;
 694
 695         DEB_EE(("dev:%p\n", dev));
 696
 697         saa7146_vv_init(dev, &vv_data);
 698         if (mxb_probe(dev)) {
 699                 saa7146_vv_release(dev);
 700                 return -1;
 701         }
 702         mxb = (struct mxb *)dev->ext_priv;
 703
 704         vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
 705         vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
 706         vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
 707         vv_data.ops.vidioc_enum_input = vidioc_enum_input;
 708         vv_data.ops.vidioc_g_input = vidioc_g_input;
 709         vv_data.ops.vidioc_s_input = vidioc_s_input;
 710         vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
 711         vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
 712         vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
 713         vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
 714         vv_data.ops.vidioc_g_audio = vidioc_g_audio;
 715         vv_data.ops.vidioc_s_audio = vidioc_s_audio;
 716 #ifdef CONFIG_VIDEO_ADV_DEBUG
 717         vv_data.ops.vidioc_g_register = vidioc_g_register;
 718         vv_data.ops.vidioc_s_register = vidioc_s_register;
 719 #endif
 720         vv_data.ops.vidioc_default = vidioc_default;
 721         if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
 722                 ERR(("cannot register capture v4l2 device. skipping.\n"));
 723                 saa7146_vv_release(dev);
 724                 return -1;
 725         }
 726
 727         /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
 728         if (MXB_BOARD_CAN_DO_VBI(dev)) {
 729                 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
 730                         ERR(("cannot register vbi v4l2 device. skipping.\n"));
 731                 }
 732         }
 733
 734         printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num);
 735
 736         mxb_num++;
 737         mxb_init_done(dev);
 738         return 0;
 739 }
 740
 741 static int mxb_detach(struct saa7146_dev *dev)
 742 {
 743         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 744
 745         DEB_EE(("dev:%p\n", dev));
 746
 747         saa7146_unregister_device(&mxb->video_dev,dev);
 748         if (MXB_BOARD_CAN_DO_VBI(dev))
 749                 saa7146_unregister_device(&mxb->vbi_dev, dev);
 750         saa7146_vv_release(dev);
 751
 752         mxb_num--;
 753
 754         i2c_del_adapter(&mxb->i2c_adapter);
 755         kfree(mxb);
 756
 757         return 0;
 758 }
 759
 760 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
 761 {
 762         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 763
 764         if (V4L2_STD_PAL_I == standard->id) {
 765                 v4l2_std_id std = V4L2_STD_PAL_I;
 766
 767                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
 768                 /* set the 7146 gpio register -- I don't know what this does exactly */
 769                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 770                 /* unset the 7111 gpio register -- I don't know what this does exactly */
 771                 saa7111a_call(mxb, core, s_gpio, 0);
 772                 tuner_call(mxb, core, s_std, std);
 773         } else {
 774                 v4l2_std_id std = V4L2_STD_PAL_BG;
 775
 776                 DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
 777                 /* set the 7146 gpio register -- I don't know what this does exactly */
 778                 saa7146_write(dev, GPIO_CTRL, 0x00404050);
 779                 /* set the 7111 gpio register -- I don't know what this does exactly */
 780                 saa7111a_call(mxb, core, s_gpio, 1);
 781                 tuner_call(mxb, core, s_std, std);
 782         }
 783         return 0;
 784 }
 785
 786 static struct saa7146_standard standard[] = {
 787         {
 788                 .name   = "PAL-BG",     .id     = V4L2_STD_PAL_BG,
 789                 .v_offset       = 0x17, .v_field        = 288,
 790                 .h_offset       = 0x14, .h_pixels       = 680,
 791                 .v_max_out      = 576,  .h_max_out      = 768,
 792         }, {
 793                 .name   = "PAL-I",      .id     = V4L2_STD_PAL_I,
 794                 .v_offset       = 0x17, .v_field        = 288,
 795                 .h_offset       = 0x14, .h_pixels       = 680,
 796                 .v_max_out      = 576,  .h_max_out      = 768,
 797         }, {
 798                 .name   = "NTSC",       .id     = V4L2_STD_NTSC,
 799                 .v_offset       = 0x16, .v_field        = 240,
 800                 .h_offset       = 0x06, .h_pixels       = 708,
 801                 .v_max_out      = 480,  .h_max_out      = 640,
 802         }, {
 803                 .name   = "SECAM",      .id     = V4L2_STD_SECAM,
 804                 .v_offset       = 0x14, .v_field        = 288,
 805                 .h_offset       = 0x14, .h_pixels       = 720,
 806                 .v_max_out      = 576,  .h_max_out      = 768,
 807         }
 808 };
 809
 810 static struct saa7146_pci_extension_data mxb = {
 811         .ext_priv = "Multimedia eXtension Board",
 812         .ext = &extension,
 813 };
 814
 815 static struct pci_device_id pci_tbl[] = {
 816         {
 817                 .vendor    = PCI_VENDOR_ID_PHILIPS,
 818                 .device    = PCI_DEVICE_ID_PHILIPS_SAA7146,
 819                 .subvendor = 0x0000,
 820                 .subdevice = 0x0000,
 821                 .driver_data = (unsigned long)&mxb,
 822         }, {
 823                 .vendor = 0,
 824         }
 825 };
 826
 827 MODULE_DEVICE_TABLE(pci, pci_tbl);
 828
 829 static struct saa7146_ext_vv vv_data = {
 830         .inputs         = MXB_INPUTS,
 831         .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
 832         .stds           = &standard[0],
 833         .num_stds       = sizeof(standard)/sizeof(struct saa7146_standard),
 834         .std_callback   = &std_callback,
 835 };
 836
 837 static struct saa7146_extension extension = {
 838         .name           = MXB_IDENTIFIER,
 839         .flags          = SAA7146_USE_I2C_IRQ,
 840
 841         .pci_tbl        = &pci_tbl[0],
 842         .module         = THIS_MODULE,
 843
 844         .attach         = mxb_attach,
 845         .detach         = mxb_detach,
 846
 847         .irq_mask       = 0,
 848         .irq_func       = NULL,
 849 };
 850
 851 static int __init mxb_init_module(void)
 852 {
 853         if (saa7146_register_extension(&extension)) {
 854                 DEB_S(("failed to register extension.\n"));
 855                 return -ENODEV;
 856         }
 857
 858         return 0;
 859 }
 860
 861 static void __exit mxb_cleanup_module(void)
 862 {
 863         saa7146_unregister_extension(&extension);
 864 }
 865
 866 module_init(mxb_init_module);
 867 module_exit(mxb_cleanup_module);
 868
 869 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
 870 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 871 MODULE_LICENSE("GPL");