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.mihu.de/linux/saa7146/mxb/
   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_SAA5246A  0x11
  36 #define I2C_SAA7111A  0x24
  37 #define I2C_TDA9840   0x42
  38 #define I2C_TEA6415C  0x43
  39 #define I2C_TEA6420_1 0x4c
  40 #define I2C_TEA6420_2 0x4d
  41 #define I2C_TUNER     0x60
  42
  43 #define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)
  44
  45 /* global variable */
  46 static int mxb_num;
  47
  48 /* initial frequence the tuner will be tuned to.
  49    in verden (lower saxony, germany) 4148 is a
  50    channel called "phoenix" */
  51 static int freq = 4148;
  52 module_param(freq, int, 0644);
  53 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
  54
  55 static int debug;
  56 module_param(debug, int, 0644);
  57 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
  58
  59 #define MXB_INPUTS 4
  60 enum { TUNER, AUX1, AUX3, AUX3_YC };
  61
  62 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
  63         { TUNER,        "Tuner",                V4L2_INPUT_TYPE_TUNER,  1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  64         { AUX1,         "AUX1",                 V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  65         { AUX3,         "AUX3 Composite",       V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  66         { AUX3_YC,      "AUX3 S-Video",         V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
  67 };
  68
  69 /* this array holds the information, which port of the saa7146 each
  70    input actually uses. the mxb uses port 0 for every input */
  71 static struct {
  72         int hps_source;
  73         int hps_sync;
  74 } input_port_selection[MXB_INPUTS] = {
  75         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  76         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  77         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  78         { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
  79 };
  80
  81 /* this array holds the information of the audio source (mxb_audios),
  82    which has to be switched corresponding to the video source (mxb_channels) */
  83 static int video_audio_connect[MXB_INPUTS] =
  84         { 0, 1, 3, 3 };
  85
  86 struct mxb_routing {
  87         u32 input;
  88         u32 output;
  89 };
  90
  91 /* These are the necessary input-output-pins for bringing one audio source
  92    (see above) to the CD-output. Note that gain is set to 0 in this table. */
  93 static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
  94         { { 1, 1 }, { 1, 1 } }, /* Tuner */
  95         { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
  96         { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
  97         { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
  98         { { 1, 1 }, { 3, 1 } }, /* Radio */
  99         { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
 100         { { 6, 1 }, { 6, 1 } }  /* Mute */
 101 };
 102
 103 /* These are the necessary input-output-pins for bringing one audio source
 104    (see above) to the line-output. Note that gain is set to 0 in this table. */
 105 static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
 106         { { 2, 3 }, { 1, 2 } },
 107         { { 5, 3 }, { 6, 2 } },
 108         { { 4, 3 }, { 6, 2 } },
 109         { { 3, 3 }, { 6, 2 } },
 110         { { 2, 3 }, { 3, 2 } },
 111         { { 2, 3 }, { 2, 2 } },
 112         { { 6, 3 }, { 6, 2 } }  /* Mute */
 113 };
 114
 115 #define MAXCONTROLS     1
 116 static struct v4l2_queryctrl mxb_controls[] = {
 117         { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
 118 };
 119
 120 struct mxb
 121 {
 122         struct video_device     *video_dev;
 123         struct video_device     *vbi_dev;
 124
 125         struct i2c_adapter      i2c_adapter;
 126
 127         struct v4l2_subdev      *saa7111a;
 128         struct v4l2_subdev      *tda9840;
 129         struct v4l2_subdev      *tea6415c;
 130         struct v4l2_subdev      *tuner;
 131         struct v4l2_subdev      *tea6420_1;
 132         struct v4l2_subdev      *tea6420_2;
 133
 134         int     cur_mode;       /* current audio mode (mono, stereo, ...) */
 135         int     cur_input;      /* current input */
 136         int     cur_mute;       /* current mute status */
 137         struct v4l2_frequency   cur_freq;       /* current frequency the tuner is tuned to */
 138 };
 139
 140 #define saa7111a_call(mxb, o, f, args...) \
 141         v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
 142 #define tda9840_call(mxb, o, f, args...) \
 143         v4l2_subdev_call(mxb->tda9840, o, f, ##args)
 144 #define tea6415c_call(mxb, o, f, args...) \
 145         v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
 146 #define tuner_call(mxb, o, f, args...) \
 147         v4l2_subdev_call(mxb->tuner, o, f, ##args)
 148 #define call_all(dev, o, f, args...) \
 149         v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
 150
 151 static inline void tea6420_route_cd(struct mxb *mxb, int idx)
 152 {
 153         v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
 154                 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
 155         v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
 156                 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
 157 }
 158
 159 static inline void tea6420_route_line(struct mxb *mxb, int idx)
 160 {
 161         v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
 162                 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
 163         v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
 164                 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
 165 }
 166
 167 static struct saa7146_extension extension;
 168
 169 static int mxb_probe(struct saa7146_dev *dev)
 170 {
 171         struct mxb *mxb = NULL;
 172
 173         mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
 174         if (mxb == NULL) {
 175                 DEB_D(("not enough kernel memory.\n"));
 176                 return -ENOMEM;
 177         }
 178
 179         snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
 180
 181         saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
 182         if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
 183                 DEB_S(("cannot register i2c-device. skipping.\n"));
 184                 kfree(mxb);
 185                 return -EFAULT;
 186         }
 187
 188         mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 189                         "saa7115", "saa7111", I2C_SAA7111A, NULL);
 190         mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 191                         "tea6420", "tea6420", I2C_TEA6420_1, NULL);
 192         mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 193                         "tea6420", "tea6420", I2C_TEA6420_2, NULL);
 194         mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 195                         "tea6415c", "tea6415c", I2C_TEA6415C, NULL);
 196         mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 197                         "tda9840", "tda9840", I2C_TDA9840, NULL);
 198         mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 199                         "tuner", "tuner", I2C_TUNER, NULL);
 200         if (v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
 201                         "saa5246a", "saa5246a", I2C_SAA5246A, NULL)) {
 202                 printk(KERN_INFO "mxb: found teletext decoder\n");
 203         }
 204
 205         /* check if all devices are present */
 206         if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
 207             !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
 208                 printk("mxb: did not find all i2c devices. aborting\n");
 209                 i2c_del_adapter(&mxb->i2c_adapter);
 210                 kfree(mxb);
 211                 return -ENODEV;
 212         }
 213
 214         /* all devices are present, probe was successful */
 215
 216         /* we store the pointer in our private data field */
 217         dev->ext_priv = mxb;
 218
 219         return 0;
 220 }
 221
 222 /* some init data for the saa7740, the so-called 'sound arena module'.
 223    there are no specs available, so we simply use some init values */
 224 static struct {
 225         int     length;
 226         char    data[9];
 227 } mxb_saa7740_init[] = {
 228         { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
 229         { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
 230         { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
 231         { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
 232         { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
 233         { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
 234         { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
 235         { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
 236         { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
 237         { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
 238         { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
 239         { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
 240         { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
 241         { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
 242         { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
 243         { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
 244         { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
 245         { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
 246         { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
 247         { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
 248         { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
 249         { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
 250         { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
 251         { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
 252         { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
 253         { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
 254         { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
 255         { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
 256         { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
 257         { 3, { 0x48, 0x00, 0x01 } },
 258         { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
 259         { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
 260         { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
 261         { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
 262         { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
 263         { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
 264         { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
 265         { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
 266         { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
 267         { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
 268         { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
 269         { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
 270         { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
 271         { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
 272         { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
 273         { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
 274         { 3, { 0x80, 0xb3, 0x0a } },
 275         {-1, { 0 } }
 276 };
 277
 278 /* bring hardware to a sane state. this has to be done, just in case someone
 279    wants to capture from this device before it has been properly initialized.
 280    the capture engine would badly fail, because no valid signal arrives on the
 281    saa7146, thus leading to timeouts and stuff. */
 282 static int mxb_init_done(struct saa7146_dev* dev)
 283 {
 284         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 285         struct i2c_msg msg;
 286         struct tuner_setup tun_setup;
 287         v4l2_std_id std = V4L2_STD_PAL_BG;
 288
 289         int i = 0, err = 0;
 290
 291         /* select video mode in saa7111a */
 292         saa7111a_call(mxb, core, s_std, std);
 293
 294         /* select tuner-output on saa7111a */
 295         i = 0;
 296         saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
 297                 SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS, 0);
 298
 299         /* select a tuner type */
 300         tun_setup.mode_mask = T_ANALOG_TV;
 301         tun_setup.addr = ADDR_UNSET;
 302         tun_setup.type = TUNER_PHILIPS_PAL;
 303         tuner_call(mxb, tuner, s_type_addr, &tun_setup);
 304         /* tune in some frequency on tuner */
 305         mxb->cur_freq.tuner = 0;
 306         mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
 307         mxb->cur_freq.frequency = freq;
 308         tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
 309
 310         /* set a default video standard */
 311         tuner_call(mxb, core, s_std, std);
 312
 313         /* mute audio on tea6420s */
 314         tea6420_route_line(mxb, 6);
 315         tea6420_route_cd(mxb, 6);
 316
 317         /* switch to tuner-channel on tea6415c */
 318         tea6415c_call(mxb, video, s_routing, 3, 17, 0);
 319
 320         /* select tuner-output on multicable on tea6415c */
 321         tea6415c_call(mxb, video, s_routing, 3, 13, 0);
 322
 323         /* the rest for mxb */
 324         mxb->cur_input = 0;
 325         mxb->cur_mute = 1;
 326
 327         mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
 328
 329         /* check if the saa7740 (aka 'sound arena module') is present
 330            on the mxb. if so, we must initialize it. due to lack of
 331            informations about the saa7740, the values were reverse
 332            engineered. */
 333         msg.addr = 0x1b;
 334         msg.flags = 0;
 335         msg.len = mxb_saa7740_init[0].length;
 336         msg.buf = &mxb_saa7740_init[0].data[0];
 337
 338         err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
 339         if (err == 1) {
 340                 /* the sound arena module is a pos, that's probably the reason
 341                    philips refuses to hand out a datasheet for the saa7740...
 342                    it seems to screw up the i2c bus, so we disable fast irq
 343                    based i2c transactions here and rely on the slow and safe
 344                    polling method ... */
 345                 extension.flags &= ~SAA7146_USE_I2C_IRQ;
 346                 for (i = 1; ; i++) {
 347                         if (-1 == mxb_saa7740_init[i].length)
 348                                 break;
 349
 350                         msg.len = mxb_saa7740_init[i].length;
 351                         msg.buf = &mxb_saa7740_init[i].data[0];
 352                         err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
 353                         if (err != 1) {
 354                                 DEB_D(("failed to initialize 'sound arena module'.\n"));
 355                                 goto err;
 356                         }
 357                 }
 358                 INFO(("'sound arena module' detected.\n"));
 359         }
 360 err:
 361         /* the rest for saa7146: you should definitely set some basic values
 362            for the input-port handling of the saa7146. */
 363
 364         /* ext->saa has been filled by the core driver */
 365
 366         /* some stuff is done via variables */
 367         saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
 368                         input_port_selection[mxb->cur_input].hps_sync);
 369
 370         /* some stuff is done via direct write to the registers */
 371
 372         /* this is ugly, but because of the fact that this is completely
 373            hardware dependend, it should be done directly... */
 374         saa7146_write(dev, DD1_STREAM_B,        0x00000000);
 375         saa7146_write(dev, DD1_INIT,            0x02000200);
 376         saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 377
 378         return 0;
 379 }
 380
 381 /* interrupt-handler. this gets called when irq_mask is != 0.
 382    it must clear the interrupt-bits in irq_mask it has handled */
 383 /*
 384 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
 385 {
 386         struct mxb* mxb = (struct mxb*)dev->ext_priv;
 387 }
 388 */
 389
 390 static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
 391 {
 392         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 393         int i;
 394
 395         for (i = MAXCONTROLS - 1; i >= 0; i--) {
 396                 if (mxb_controls[i].id == qc->id) {
 397                         *qc = mxb_controls[i];
 398                         DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
 399                         return 0;
 400                 }
 401         }
 402         return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
 403 }
 404
 405 static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
 406 {
 407         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 408         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 409         int i;
 410
 411         for (i = MAXCONTROLS - 1; i >= 0; i--) {
 412                 if (mxb_controls[i].id == vc->id)
 413                         break;
 414         }
 415
 416         if (i < 0)
 417                 return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
 418
 419         if (vc->id == V4L2_CID_AUDIO_MUTE) {
 420                 vc->value = mxb->cur_mute;
 421                 DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
 422                 return 0;
 423         }
 424
 425         DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value));
 426         return 0;
 427 }
 428
 429 static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
 430 {
 431         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 432         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 433         int i = 0;
 434
 435         for (i = MAXCONTROLS - 1; i >= 0; i--) {
 436                 if (mxb_controls[i].id == vc->id)
 437                         break;
 438         }
 439
 440         if (i < 0)
 441                 return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
 442
 443         if (vc->id == V4L2_CID_AUDIO_MUTE) {
 444                 mxb->cur_mute = vc->value;
 445                 /* switch the audio-source */
 446                 tea6420_route_line(mxb, vc->value ? 6 :
 447                                 video_audio_connect[mxb->cur_input]);
 448                 DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value));
 449         }
 450         return 0;
 451 }
 452
 453 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
 454 {
 455         DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
 456         if (i->index >= MXB_INPUTS)
 457                 return -EINVAL;
 458         memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
 459         return 0;
 460 }
 461
 462 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
 463 {
 464         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 465         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 466         *i = mxb->cur_input;
 467
 468         DEB_EE(("VIDIOC_G_INPUT %d.\n", *i));
 469         return 0;
 470 }
 471
 472 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
 473 {
 474         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 475         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 476         int err = 0;
 477         int i = 0;
 478
 479         DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
 480
 481         if (input < 0 || input >= MXB_INPUTS)
 482                 return -EINVAL;
 483
 484         mxb->cur_input = input;
 485
 486         saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
 487                         input_port_selection[input].hps_sync);
 488
 489         /* prepare switching of tea6415c and saa7111a;
 490            have a look at the 'background'-file for further informations  */
 491         switch (input) {
 492         case TUNER:
 493                 i = SAA7115_COMPOSITE0;
 494
 495                 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
 496
 497                 /* connect tuner-output always to multicable */
 498                 if (!err)
 499                         err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
 500                 break;
 501         case AUX3_YC:
 502                 /* nothing to be done here. aux3_yc is
 503                    directly connected to the saa711a */
 504                 i = SAA7115_SVIDEO1;
 505                 break;
 506         case AUX3:
 507                 /* nothing to be done here. aux3 is
 508                    directly connected to the saa711a */
 509                 i = SAA7115_COMPOSITE1;
 510                 break;
 511         case AUX1:
 512                 i = SAA7115_COMPOSITE0;
 513                 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
 514                 break;
 515         }
 516
 517         if (err)
 518                 return err;
 519
 520         /* switch video in saa7111a */
 521         if (saa7111a_call(mxb, video, s_routing, i, 0, 0))
 522                 printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a #1.\n");
 523
 524         /* switch the audio-source only if necessary */
 525         if (0 == mxb->cur_mute)
 526                 tea6420_route_line(mxb, video_audio_connect[input]);
 527
 528         return 0;
 529 }
 530
 531 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
 532 {
 533         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 534         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 535
 536         if (t->index) {
 537                 DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", 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         strlcpy(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
 552 static int vidioc_s_tuner(struct file *file, void *fh, 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", t->index));
 559                 return -EINVAL;
 560         }
 561
 562         mxb->cur_mode = t->audmode;
 563         return call_all(dev, tuner, s_tuner, t);
 564 }
 565
 566 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
 567 {
 568         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 569         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 570
 571         if (mxb->cur_input) {
 572                 DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",
 573                                         mxb->cur_input));
 574                 return -EINVAL;
 575         }
 576
 577         *f = mxb->cur_freq;
 578
 579         DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
 580         return 0;
 581 }
 582
 583 static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
 584 {
 585         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 586         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 587         struct saa7146_vv *vv = dev->vv_data;
 588
 589         if (f->tuner)
 590                 return -EINVAL;
 591
 592         if (V4L2_TUNER_ANALOG_TV != f->type)
 593                 return -EINVAL;
 594
 595         if (mxb->cur_input) {
 596                 DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input));
 597                 return -EINVAL;
 598         }
 599
 600         mxb->cur_freq = *f;
 601         DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
 602
 603         /* tune in desired frequency */
 604         tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
 605
 606         /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
 607         spin_lock(&dev->slock);
 608         vv->vbi_fieldcount = 0;
 609         spin_unlock(&dev->slock);
 610
 611         return 0;
 612 }
 613
 614 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
 615 {
 616         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 617         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 618
 619         if (a->index > MXB_INPUTS) {
 620                 DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index));
 621                 return -EINVAL;
 622         }
 623
 624         DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index));
 625         memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
 626         return 0;
 627 }
 628
 629 static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
 630 {
 631         DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index));
 632         return 0;
 633 }
 634
 635 #ifdef CONFIG_VIDEO_ADV_DEBUG
 636 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
 637 {
 638         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 639
 640         return call_all(dev, core, g_register, reg);
 641 }
 642
 643 static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
 644 {
 645         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 646
 647         return call_all(dev, core, s_register, reg);
 648 }
 649 #endif
 650
 651 static long vidioc_default(struct file *file, void *fh, int cmd, void *arg)
 652 {
 653         struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 654         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 655
 656         switch (cmd) {
 657         case MXB_S_AUDIO_CD:
 658         {
 659                 int i = *(int *)arg;
 660
 661                 if (i < 0 || i >= MXB_AUDIOS) {
 662                         DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i));
 663                         return -EINVAL;
 664                 }
 665
 666                 DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i));
 667
 668                 tea6420_route_cd(mxb, i);
 669                 return 0;
 670         }
 671         case MXB_S_AUDIO_LINE:
 672         {
 673                 int i = *(int *)arg;
 674
 675                 if (i < 0 || i >= MXB_AUDIOS) {
 676                         DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i));
 677                         return -EINVAL;
 678                 }
 679
 680                 DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i));
 681                 tea6420_route_line(mxb, i);
 682                 return 0;
 683         }
 684         default:
 685 /*
 686                 DEB2(printk("does not handle this ioctl.\n"));
 687 */
 688                 return -ENOIOCTLCMD;
 689         }
 690         return 0;
 691 }
 692
 693 static struct saa7146_ext_vv vv_data;
 694
 695 /* this function only gets called when the probing was successful */
 696 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 697 {
 698         struct mxb *mxb = (struct mxb *)dev->ext_priv;
 699
 700         DEB_EE(("dev:%p\n", dev));
 701
 702         /* checking for i2c-devices can be omitted here, because we
 703            already did this in "mxb_vl42_probe" */
 704
 705         saa7146_vv_init(dev, &vv_data);
 706         vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
 707         vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
 708         vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
 709         vv_data.ops.vidioc_enum_input = vidioc_enum_input;
 710         vv_data.ops.vidioc_g_input = vidioc_g_input;
 711         vv_data.ops.vidioc_s_input = vidioc_s_input;
 712         vv_data.ops.vidioc_g_tuner = vidioc_g_tuner;
 713         vv_data.ops.vidioc_s_tuner = vidioc_s_tuner;
 714         vv_data.ops.vidioc_g_frequency = vidioc_g_frequency;
 715         vv_data.ops.vidioc_s_frequency = vidioc_s_frequency;
 716         vv_data.ops.vidioc_g_audio = vidioc_g_audio;
 717         vv_data.ops.vidioc_s_audio = vidioc_s_audio;
 718 #ifdef CONFIG_VIDEO_ADV_DEBUG
 719         vv_data.ops.vidioc_g_register = vidioc_g_register;
 720         vv_data.ops.vidioc_s_register = vidioc_s_register;
 721 #endif
 722         vv_data.ops.vidioc_default = vidioc_default;
 723         if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
 724                 ERR(("cannot register capture v4l2 device. skipping.\n"));
 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
 742 static 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
 761 static 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
 787 static 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
 811 static struct saa7146_pci_extension_data mxb = {
 812         .ext_priv = "Multimedia eXtension Board",
 813         .ext = &extension,
 814 };
 815
 816 static 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
 828 MODULE_DEVICE_TABLE(pci, pci_tbl);
 829
 830 static 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
 838 static 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         .probe          = mxb_probe,
 846         .attach         = mxb_attach,
 847         .detach         = mxb_detach,
 848
 849         .irq_mask       = 0,
 850         .irq_func       = NULL,
 851 };
 852
 853 static int __init mxb_init_module(void)
 854 {
 855         if (saa7146_register_extension(&extension)) {
 856                 DEB_S(("failed to register extension.\n"));
 857                 return -ENODEV;
 858         }
 859
 860         return 0;
 861 }
 862
 863 static void __exit mxb_cleanup_module(void)
 864 {
 865         saa7146_unregister_extension(&extension);
 866 }
 867
 868 module_init(mxb_init_module);
 869 module_exit(mxb_cleanup_module);
 870
 871 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
 872 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
 873 MODULE_LICENSE("GPL");