drivers/media/pci/saa7146/mxb.c

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