Version: v4.11.2

linux/drivers/media/pci/saa7146/mxb.c

    1 
    2 
    3 
    4 
    5 
    6 
    7 
    8 
    9 
   10 
   11 
   12 
   13 
   14 
   15 
   16 
   17 
   18 
   19 
   20 
   21 
   22 
   23 
   24 
   25 
   26 
   27 
   28 
   29 
   30 
   31 
   32 
   33 
   34 
   35 
   36 
   37 
   38 
   39 
   40 
   41 
   42 
   43 
   44 
   45 
   46 
   47 
   48 
   49 
   50 
   51 
   52 
   53 
   54 
   55 
   56 
   57 
   58 
   59 
   60 
   61 
   62 
   63 
   64 
   65 
   66 
   67 
   68 
   69 
   70 
   71 
   72 
   73 
   74 
   75 
   76 
   77 
   78 
   79 
   80 
   81 
   82 
   83 
   84 
   85 
   86 
   87 
   88 
   89 
   90 
   91 
   92 
   93 
   94 
   95 
   96 
   97 
   98 
   99 
  100 
  101 
  102 
  103 
  104 
  105 
  106 
  107 
  108 
  109 
  110 
  111 
  112 
  113 
  114 
  115 
  116 
  117 
  118 
  119 
  120 
  121 
  122 
  123 
  124 
  125 
  126 
  127 
  128 
  129 
  130 
  131 
  132 
  133 
  134 
  135 
  136 
  137 
  138 
  139 
  140 
  141 
  142 
  143 
  144 
  145 
  146 
  147 
  148 
  149 
  150 
  151 
  152 
  153 
  154 
  155 
  156 
  157 
  158 
  159 
  160 
  161 
  162 
  163 
  164 
  165 
  166 
  167 
  168 
  169 
  170 
  171 
  172 
  173 
  174 
  175 
  176 
  177 
  178 
  179 
  180 
  181 
  182 
  183 
  184 
  185 
  186 
  187 
  188 
  189 
  190 
  191 
  192 
  193 
  194 
  195 
  196 
  197 
  198 
  199 
  200 
  201 
  202 
  203 
  204 
  205 
  206 
  207 
  208 
  209 
  210 
  211 
  212 
  213 
  214 
  215 
  216 
  217 
  218 
  219 
  220 
  221 
  222 
  223 
  224 
  225 
  226 
  227 
  228 
  229 
  230 
  231 
  232 
  233 
  234 
  235 
  236 
  237 
  238 
  239 
  240 
  241 
  242 
  243 
  244 
  245 
  246 
  247 
  248 
  249 
  250 
  251 
  252 
  253 
  254 
  255 
  256 
  257 
  258 
  259 
  260 
  261 
  262 
  263 
  264 
  265 
  266 
  267 
  268 
  269 
  270 
  271 
  272 
  273 
  274 
  275 
  276 
  277 
  278 
  279 
  280 
  281 
  282 
  283 
  284 
  285 
  286 
  287 
  288 
  289 
  290 
  291 
  292 
  293 
  294 
  295 
  296 
  297 
  298 
  299 
  300 
  301 
  302 
  303 
  304 
  305 
  306 
  307 
  308 
  309 
  310 
  311 
  312 
  313 
  314 
  315 
  316 
  317 
  318 
  319 
  320 
  321 
  322 
  323 
  324 
  325 
  326 
  327 
  328 
  329 
  330 
  331 
  332 
  333 
  334 
  335 
  336 
  337 
  338 
  339 
  340 
  341 
  342 
  343 
  344 
  345 
  346 
  347 
  348 
  349 
  350 
  351 
  352 
  353 
  354 
  355 
  356 
  357 
  358 
  359 
  360 
  361 
  362 
  363 
  364 
  365 
  366 
  367 
  368 
  369 
  370 
  371 
  372 
  373 
  374 
  375 
  376 
  377 
  378 
  379 
  380 
  381 
  382 
  383 
  384 
  385 
  386 
  387 
  388 
  389 
  390 
  391 
  392 
  393 
  394 
  395 
  396 
  397 
  398 
  399 
  400 
  401 
  402 
  403 
  404 
  405 
  406 
  407 
  408 
  409 
  410 
  411 
  412 
  413 
  414 
  415 
  416 
  417 
  418 
  419 
  420 
  421 
  422 
  423 
  424 
  425 
  426 
  427 
  428 
  429 
  430 
  431 
  432 
  433 
  434 
  435 
  436 
  437 
  438 
  439 
  440 
  441 
  442 
  443 
  444 
  445 
  446 
  447 
  448 
  449 
  450 
  451 
  452 
  453 
  454 
  455 
  456 
  457 
  458 
  459 
  460 
  461 
  462 
  463 
  464 
  465 
  466 
  467 
  468 
  469 
  470 
  471 
  472 
  473 
  474 
  475 
  476 
  477 
  478 
  479 
  480 
  481 
  482 
  483 
  484 
  485 
  486 
  487 
  488 
  489 
  490 
  491 
  492 
  493 
  494 
  495 
  496 
  497 
  498 
  499 
  500 
  501 
  502 
  503 
  504 
  505 
  506 
  507 
  508 
  509 
  510 
  511 
  512 
  513 
  514 
  515 
  516 
  517 
  518 
  519 
  520 
  521 
  522 
  523 
  524 
  525 
  526 
  527 
  528 
  529 
  530 
  531 
  532 
  533 
  534 
  535 
  536 
  537 
  538 
  539 
  540 
  541 
  542 
  543 
  544 
  545 
  546 
  547 
  548 
  549 
  550 
  551 
  552 
  553 
  554 
  555 
  556 
  557 
  558 
  559 
  560 
  561 
  562 
  563 
  564 
  565 
  566 
  567 
  568 
  569 
  570 
  571 
  572 
  573 
  574 
  575 
  576 
  577 
  578 
  579 
  580 
  581 
  582 
  583 
  584 
  585 
  586 
  587 
  588 
  589 
  590 
  591 
  592 
  593 
  594 
  595 
  596 
  597 
  598 
  599 
  600 
  601 
  602 
  603 
  604 
  605 
  606 
  607 
  608 
  609 
  610 
  611 
  612 
  613 
  614 
  615 
  616 
  617 
  618 
  619 
  620 
  621 
  622 
  623 
  624 
  625 
  626 
  627 
  628 
  629 
  630 
  631 
  632 
  633 
  634 
  635 
  636 
  637 
  638 
  639 
  640 
  641 
  642 
  643 
  644 
  645 
  646 
  647 
  648 
  649 
  650 
  651 
  652 
  653 
  654 
  655 
  656 
  657 
  658 
  659 
  660 
  661 
  662 
  663 
  664 
  665 
  666 
  667 
  668 
  669 
  670 
  671 
  672 
  673 
  674 
  675 
  676 
  677 
  678 
  679 
  680 
  681 
  682 
  683 
  684 
  685 
  686 
  687 
  688 
  689 
  690 
  691 
  692 
  693 
  694 
  695 
  696 
  697 
  698 
  699 
  700 
  701 
  702 
  703 
  704 
  705 
  706 
  707 
  708 
  709 
  710 
  711 
  712 
  713 
  714 
  715 
  716 
  717 
  718 
  719 
  720 
  721 
  722 
  723 
  724 
  725 
  726 
  727 
  728 
  729 
  730 
  731 
  732 
  733 
  734 
  735 
  736 
  737 
  738 
  739 
  740 
  741 
  742 
  743 
  744 
  745 
  746 
  747 
  748 
  749 
  750 
  751 
  752 
  753 
  754 
  755 
  756 
  757 
  758 
  759 
  760 
  761 
  762 
  763 
  764 
  765 
  766 
  767 
  768 
  769 
  770 
  771 
  772 
  773 
  774 
  775 
  776 
  777 
  778 
  779 
  780 
  781 
  782 
  783 
  784 
  785 
  786 
  787 
  788 
  789 
  790 
  791 
  792 
  793 
  794 
  795 
  796 
  797 
  798 
  799 
  800 
  801 
  802 
  803 
  804 
  805 
  806 
  807 
  808 
  809 
  810 
  811 
  812 
  813 
  814 
  815 
  816 
  817 
  818 
  819 
  820 
  821 
  822 
  823 
  824 
  825 
  826 
  827 
  828 
  829 
  830 
  831 
  832 
  833 
  834 
  835 
  836 
  837 
  838 
  839 
  840 
  841 
  842 
  843 
  844 
  845 
  846 
  847 
  848 
  849 
  850 
  851 
  852 
  853 
  854 
  855 
  856 
  857 
  858 
  859 
  860 
  861 
  862 
  863 
  864 
  865 
  866 
  867 
  868 
  869 
  870 
  871 
  872 
  873 
  874 
  875 
  876 
  877 
  878 
/*
    mxb - v4l2 driver for the Multimedia eXtension Board

    Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>

    Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html 
    for further details about this card.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#define DEBUG_VARIABLE debug

#include <media/drv-intf/saa7146_vv.h>
#include <media/tuner.h>
#include <media/v4l2-common.h>
#include <media/i2c/saa7115.h>
#include <linux/module.h>

#include "tea6415c.h"
#include "tea6420.h"

#define MXB_AUDIOS	6

#define I2C_SAA7111A  0x24
#define	I2C_TDA9840   0x42
#define	I2C_TEA6415C  0x43
#define	I2C_TEA6420_1 0x4c
#define	I2C_TEA6420_2 0x4d
#define	I2C_TUNER     0x60

#define MXB_BOARD_CAN_DO_VBI(dev)   (dev->revision != 0)

/* global variable */
static int mxb_num;

/* initial frequence the tuner will be tuned to.
   in verden (lower saxony, germany) 4148 is a
   channel called "phoenix" */
static int freq = 4148;
module_param(freq, int, 0644);
MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");

#define MXB_INPUTS 4
enum { TUNER, AUX1, AUX3, AUX3_YC };

static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
	{ TUNER,   "Tuner",          V4L2_INPUT_TYPE_TUNER,  0x3f, 0,
		V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD },
	{ AUX1,	   "AUX1",           V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
		V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
	{ AUX3,	   "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
		V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
	{ AUX3_YC, "AUX3 S-Video",   V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
		V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
};

/* this array holds the information, which port of the saa7146 each
   input actually uses. the mxb uses port 0 for every input */
static struct {
	int hps_source;
	int hps_sync;
} input_port_selection[MXB_INPUTS] = {
	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
	{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
};

/* this array holds the information of the audio source (mxb_audios),
   which has to be switched corresponding to the video source (mxb_channels) */
static int video_audio_connect[MXB_INPUTS] =
	{ 0, 1, 3, 3 };

struct mxb_routing {
	u32 input;
	u32 output;
};

/* these are the available audio sources, which can switched
   to the line- and cd-output individually */
static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
	    {
		.index	= 0,
		.name	= "Tuner",
		.capability = V4L2_AUDCAP_STEREO,
	} , {
		.index	= 1,
		.name	= "AUX1",
		.capability = V4L2_AUDCAP_STEREO,
	} , {
		.index	= 2,
		.name	= "AUX2",
		.capability = V4L2_AUDCAP_STEREO,
	} , {
		.index	= 3,
		.name	= "AUX3",
		.capability = V4L2_AUDCAP_STEREO,
	} , {
		.index	= 4,
		.name	= "Radio (X9)",
		.capability = V4L2_AUDCAP_STEREO,
	} , {
		.index	= 5,
		.name	= "CD-ROM (X10)",
		.capability = V4L2_AUDCAP_STEREO,
	}
};

/* These are the necessary input-output-pins for bringing one audio source
   (see above) to the CD-output. Note that gain is set to 0 in this table. */
static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
	{ { 1, 1 }, { 1, 1 } },	/* Tuner */
	{ { 5, 1 }, { 6, 1 } },	/* AUX 1 */
	{ { 4, 1 }, { 6, 1 } },	/* AUX 2 */
	{ { 3, 1 }, { 6, 1 } },	/* AUX 3 */
	{ { 1, 1 }, { 3, 1 } },	/* Radio */
	{ { 1, 1 }, { 2, 1 } },	/* CD-Rom */
	{ { 6, 1 }, { 6, 1 } }	/* Mute */
};

/* These are the necessary input-output-pins for bringing one audio source
   (see above) to the line-output. Note that gain is set to 0 in this table. */
static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
	{ { 2, 3 }, { 1, 2 } },
	{ { 5, 3 }, { 6, 2 } },
	{ { 4, 3 }, { 6, 2 } },
	{ { 3, 3 }, { 6, 2 } },
	{ { 2, 3 }, { 3, 2 } },
	{ { 2, 3 }, { 2, 2 } },
	{ { 6, 3 }, { 6, 2 } }	/* Mute */
};

struct mxb
{
	struct video_device	video_dev;
	struct video_device	vbi_dev;

	struct i2c_adapter	i2c_adapter;

	struct v4l2_subdev	*saa7111a;
	struct v4l2_subdev	*tda9840;
	struct v4l2_subdev	*tea6415c;
	struct v4l2_subdev	*tuner;
	struct v4l2_subdev	*tea6420_1;
	struct v4l2_subdev	*tea6420_2;

	int	cur_mode;	/* current audio mode (mono, stereo, ...) */
	int	cur_input;	/* current input */
	int	cur_audinput;	/* current audio input */
	int	cur_mute;	/* current mute status */
	struct v4l2_frequency	cur_freq;	/* current frequency the tuner is tuned to */
};

#define saa7111a_call(mxb, o, f, args...) \
	v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
#define tda9840_call(mxb, o, f, args...) \
	v4l2_subdev_call(mxb->tda9840, o, f, ##args)
#define tea6415c_call(mxb, o, f, args...) \
	v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
#define tuner_call(mxb, o, f, args...) \
	v4l2_subdev_call(mxb->tuner, o, f, ##args)
#define call_all(dev, o, f, args...) \
	v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)

static void mxb_update_audmode(struct mxb *mxb)
{
	struct v4l2_tuner t = {
		.audmode = mxb->cur_mode,
	};

	tda9840_call(mxb, tuner, s_tuner, &t);
}

static inline void tea6420_route(struct mxb *mxb, int idx)
{
	v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
		TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
	v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
		TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
	v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
		TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
	v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
		TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
}

static struct saa7146_extension extension;

static int mxb_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct saa7146_dev *dev = container_of(ctrl->handler,
				struct saa7146_dev, ctrl_handler);
	struct mxb *mxb = dev->ext_priv;

	switch (ctrl->id) {
	case V4L2_CID_AUDIO_MUTE:
		mxb->cur_mute = ctrl->val;
		/* switch the audio-source */
		tea6420_route(mxb, ctrl->val ? 6 :
				video_audio_connect[mxb->cur_input]);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static const struct v4l2_ctrl_ops mxb_ctrl_ops = {
	.s_ctrl = mxb_s_ctrl,
};

static int mxb_probe(struct saa7146_dev *dev)
{
	struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
	struct mxb *mxb = NULL;

	v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops,
			V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
	if (hdl->error)
		return hdl->error;
	mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
	if (mxb == NULL) {
		DEB_D("not enough kernel memory\n");
		return -ENOMEM;
	}


	snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);

	saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
	if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
		DEB_S("cannot register i2c-device. skipping.\n");
		kfree(mxb);
		return -EFAULT;
	}

	mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"saa7111", I2C_SAA7111A, NULL);
	mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"tea6420", I2C_TEA6420_1, NULL);
	mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"tea6420", I2C_TEA6420_2, NULL);
	mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"tea6415c", I2C_TEA6415C, NULL);
	mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"tda9840", I2C_TDA9840, NULL);
	mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
			"tuner", I2C_TUNER, NULL);

	/* check if all devices are present */
	if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
	    !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
		pr_err("did not find all i2c devices. aborting\n");
		i2c_del_adapter(&mxb->i2c_adapter);
		kfree(mxb);
		return -ENODEV;
	}

	/* all devices are present, probe was successful */

	/* we store the pointer in our private data field */
	dev->ext_priv = mxb;

	v4l2_ctrl_handler_setup(hdl);

	return 0;
}

/* some init data for the saa7740, the so-called 'sound arena module'.
   there are no specs available, so we simply use some init values */
static struct {
	int	length;
	char	data[9];
} mxb_saa7740_init[] = {
	{ 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
	{ 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
	{ 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
	{ 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
	{ 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
	{ 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
	{ 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
	{ 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
	{ 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
	{ 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
	{ 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
	{ 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
	{ 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
	{ 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
	{ 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
	{ 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
	{ 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
	{ 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
	{ 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
	{ 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
	{ 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
	{ 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
	{ 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
	{ 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
	{ 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
	{ 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
	{ 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
	{ 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
	{ 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
	{ 3, { 0x48, 0x00, 0x01 } },
	{ 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
	{ 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
	{ 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
	{ 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
	{ 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
	{ 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
	{ 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
	{ 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
	{ 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
	{ 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
	{ 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
	{ 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
	{ 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
	{ 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
	{ 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
	{ 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
	{ 3, { 0x80, 0xb3, 0x0a } },
	{-1, { 0 } }
};

/* bring hardware to a sane state. this has to be done, just in case someone
   wants to capture from this device before it has been properly initialized.
   the capture engine would badly fail, because no valid signal arrives on the
   saa7146, thus leading to timeouts and stuff. */
static int mxb_init_done(struct saa7146_dev* dev)
{
	struct mxb* mxb = (struct mxb*)dev->ext_priv;
	struct i2c_msg msg;
	struct tuner_setup tun_setup;
	v4l2_std_id std = V4L2_STD_PAL_BG;

	int i = 0, err = 0;

	/* mute audio on tea6420s */
	tea6420_route(mxb, 6);

	/* select video mode in saa7111a */
	saa7111a_call(mxb, video, s_std, std);

	/* select tuner-output on saa7111a */
	i = 0;
	saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
		SAA7111_FMT_CCIR, 0);

	/* select a tuner type */
	tun_setup.mode_mask = T_ANALOG_TV;
	tun_setup.addr = ADDR_UNSET;
	tun_setup.type = TUNER_PHILIPS_PAL;
	tuner_call(mxb, tuner, s_type_addr, &tun_setup);
	/* tune in some frequency on tuner */
	mxb->cur_freq.tuner = 0;
	mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
	mxb->cur_freq.frequency = freq;
	tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);

	/* set a default video standard */
	/* These two gpio calls set the GPIO pins that control the tda9820 */
	saa7146_write(dev, GPIO_CTRL, 0x00404050);
	saa7111a_call(mxb, core, s_gpio, 1);
	saa7111a_call(mxb, video, s_std, std);
	tuner_call(mxb, video, s_std, std);

	/* switch to tuner-channel on tea6415c */
	tea6415c_call(mxb, video, s_routing, 3, 17, 0);

	/* select tuner-output on multicable on tea6415c */
	tea6415c_call(mxb, video, s_routing, 3, 13, 0);

	/* the rest for mxb */
	mxb->cur_input = 0;
	mxb->cur_audinput = video_audio_connect[mxb->cur_input];
	mxb->cur_mute = 1;

	mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
	mxb_update_audmode(mxb);

	/* check if the saa7740 (aka 'sound arena module') is present
	   on the mxb. if so, we must initialize it. due to lack of
	   informations about the saa7740, the values were reverse
	   engineered. */
	msg.addr = 0x1b;
	msg.flags = 0;
	msg.len = mxb_saa7740_init[0].length;
	msg.buf = &mxb_saa7740_init[0].data[0];

	err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
	if (err == 1) {
		/* the sound arena module is a pos, that's probably the reason
		   philips refuses to hand out a datasheet for the saa7740...
		   it seems to screw up the i2c bus, so we disable fast irq
		   based i2c transactions here and rely on the slow and safe
		   polling method ... */
		extension.flags &= ~SAA7146_USE_I2C_IRQ;
		for (i = 1; ; i++) {
			if (-1 == mxb_saa7740_init[i].length)
				break;

			msg.len = mxb_saa7740_init[i].length;
			msg.buf = &mxb_saa7740_init[i].data[0];
			err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
			if (err != 1) {
				DEB_D("failed to initialize 'sound arena module'\n");
				goto err;
			}
		}
		pr_info("'sound arena module' detected\n");
	}
err:
	/* the rest for saa7146: you should definitely set some basic values
	   for the input-port handling of the saa7146. */

	/* ext->saa has been filled by the core driver */

	/* some stuff is done via variables */
	saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
			input_port_selection[mxb->cur_input].hps_sync);

	/* some stuff is done via direct write to the registers */

	/* this is ugly, but because of the fact that this is completely
	   hardware dependend, it should be done directly... */
	saa7146_write(dev, DD1_STREAM_B,	0x00000000);
	saa7146_write(dev, DD1_INIT,		0x02000200);
	saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

	return 0;
}

/* interrupt-handler. this gets called when irq_mask is != 0.
   it must clear the interrupt-bits in irq_mask it has handled */
/*
void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
{
	struct mxb* mxb = (struct mxb*)dev->ext_priv;
}
*/

static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
{
	DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
	if (i->index >= MXB_INPUTS)
		return -EINVAL;
	memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
	return 0;
}

static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;
	*i = mxb->cur_input;

	DEB_EE("VIDIOC_G_INPUT %d\n", *i);
	return 0;
}

static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;
	int err = 0;
	int i = 0;

	DEB_EE("VIDIOC_S_INPUT %d\n", input);

	if (input >= MXB_INPUTS)
		return -EINVAL;

	mxb->cur_input = input;

	saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
			input_port_selection[input].hps_sync);

	/* prepare switching of tea6415c and saa7111a;
	   have a look at the 'background'-file for further informations  */
	switch (input) {
	case TUNER:
		i = SAA7115_COMPOSITE0;

		err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);

		/* connect tuner-output always to multicable */
		if (!err)
			err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
		break;
	case AUX3_YC:
		/* nothing to be done here. aux3_yc is
		   directly connected to the saa711a */
		i = SAA7115_SVIDEO1;
		break;
	case AUX3:
		/* nothing to be done here. aux3 is
		   directly connected to the saa711a */
		i = SAA7115_COMPOSITE1;
		break;
	case AUX1:
		i = SAA7115_COMPOSITE0;
		err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
		break;
	}

	if (err)
		return err;

	/* switch video in saa7111a */
	if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
		pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");

	mxb->cur_audinput = video_audio_connect[input];
	/* switch the audio-source only if necessary */
	if (0 == mxb->cur_mute)
		tea6420_route(mxb, mxb->cur_audinput);
	if (mxb->cur_audinput == 0)
		mxb_update_audmode(mxb);

	return 0;
}

static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	if (t->index) {
		DEB_D("VIDIOC_G_TUNER: channel %d does not have a tuner attached\n",
		      t->index);
		return -EINVAL;
	}

	DEB_EE("VIDIOC_G_TUNER: %d\n", t->index);

	memset(t, 0, sizeof(*t));
	strlcpy(t->name, "TV Tuner", sizeof(t->name));
	t->type = V4L2_TUNER_ANALOG_TV;
	t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
			V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
	t->audmode = mxb->cur_mode;
	return call_all(dev, tuner, g_tuner, t);
}

static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *t)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	if (t->index) {
		DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n",
		      t->index);
		return -EINVAL;
	}

	mxb->cur_mode = t->audmode;
	return call_all(dev, tuner, s_tuner, t);
}

static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;

	return call_all(dev, video, querystd, norm);
}

static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	if (f->tuner)
		return -EINVAL;
	*f = mxb->cur_freq;

	DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency);
	return 0;
}

static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;
	struct saa7146_vv *vv = dev->vv_data;

	if (f->tuner)
		return -EINVAL;

	if (V4L2_TUNER_ANALOG_TV != f->type)
		return -EINVAL;

	DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);

	/* tune in desired frequency */
	tuner_call(mxb, tuner, s_frequency, f);
	/* let the tuner subdev clamp the frequency to the tuner range */
	mxb->cur_freq = *f;
	tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq);
	if (mxb->cur_audinput == 0)
		mxb_update_audmode(mxb);

	if (mxb->cur_input)
		return 0;

	/* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
	spin_lock(&dev->slock);
	vv->vbi_fieldcount = 0;
	spin_unlock(&dev->slock);

	return 0;
}

static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
{
	if (a->index >= MXB_AUDIOS)
		return -EINVAL;
	*a = mxb_audios[a->index];
	return 0;
}

static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	DEB_EE("VIDIOC_G_AUDIO\n");
	*a = mxb_audios[mxb->cur_audinput];
	return 0;
}

static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
	if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) {
		if (mxb->cur_audinput != a->index) {
			mxb->cur_audinput = a->index;
			tea6420_route(mxb, a->index);
			if (mxb->cur_audinput == 0)
				mxb_update_audmode(mxb);
		}
		return 0;
	}
	return -EINVAL;
}

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;

	if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
		return -EINVAL;
	reg->val = saa7146_read(dev, reg->reg);
	reg->size = 4;
	return 0;
}

static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
{
	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;

	if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
		return -EINVAL;
	saa7146_write(dev, reg->reg, reg->val);
	return 0;
}
#endif

static struct saa7146_ext_vv vv_data;

/* this function only gets called when the probing was successful */
static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
	struct mxb *mxb;

	DEB_EE("dev:%p\n", dev);

	saa7146_vv_init(dev, &vv_data);
	if (mxb_probe(dev)) {
		saa7146_vv_release(dev);
		return -1;
	}
	mxb = (struct mxb *)dev->ext_priv;

	vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
	vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
	vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
	vv_data.vid_ops.vidioc_querystd = vidioc_querystd;
	vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner;
	vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner;
	vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency;
	vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency;
	vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio;
	vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio;
	vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio;
#ifdef CONFIG_VIDEO_ADV_DEBUG
	vv_data.vid_ops.vidioc_g_register = vidioc_g_register;
	vv_data.vid_ops.vidioc_s_register = vidioc_s_register;
#endif
	if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
		ERR("cannot register capture v4l2 device. skipping.\n");
		saa7146_vv_release(dev);
		return -1;
	}

	/* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
	if (MXB_BOARD_CAN_DO_VBI(dev)) {
		if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
			ERR("cannot register vbi v4l2 device. skipping.\n");
		}
	}

	pr_info("found Multimedia eXtension Board #%d\n", mxb_num);

	mxb_num++;
	mxb_init_done(dev);
	return 0;
}

static int mxb_detach(struct saa7146_dev *dev)
{
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	DEB_EE("dev:%p\n", dev);

	/* mute audio on tea6420s */
	tea6420_route(mxb, 6);

	saa7146_unregister_device(&mxb->video_dev,dev);
	if (MXB_BOARD_CAN_DO_VBI(dev))
		saa7146_unregister_device(&mxb->vbi_dev, dev);
	saa7146_vv_release(dev);

	mxb_num--;

	i2c_del_adapter(&mxb->i2c_adapter);
	kfree(mxb);

	return 0;
}

static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
{
	struct mxb *mxb = (struct mxb *)dev->ext_priv;

	if (V4L2_STD_PAL_I == standard->id) {
		v4l2_std_id std = V4L2_STD_PAL_I;

		DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n");
		/* These two gpio calls set the GPIO pins that control the tda9820 */
		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		saa7111a_call(mxb, core, s_gpio, 0);
		saa7111a_call(mxb, video, s_std, std);
		if (mxb->cur_input == 0)
			tuner_call(mxb, video, s_std, std);
	} else {
		v4l2_std_id std = V4L2_STD_PAL_BG;

		if (mxb->cur_input)
			std = standard->id;
		DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n");
		/* These two gpio calls set the GPIO pins that control the tda9820 */
		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		saa7111a_call(mxb, core, s_gpio, 1);
		saa7111a_call(mxb, video, s_std, std);
		if (mxb->cur_input == 0)
			tuner_call(mxb, video, s_std, std);
	}
	return 0;
}

static struct saa7146_standard standard[] = {
	{
		.name	= "PAL-BG", 	.id	= V4L2_STD_PAL_BG,
		.v_offset	= 0x17,	.v_field 	= 288,
		.h_offset	= 0x14,	.h_pixels 	= 680,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "PAL-I", 	.id	= V4L2_STD_PAL_I,
		.v_offset	= 0x17,	.v_field 	= 288,
		.h_offset	= 0x14,	.h_pixels 	= 680,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC", 	.id	= V4L2_STD_NTSC,
		.v_offset	= 0x16,	.v_field 	= 240,
		.h_offset	= 0x06,	.h_pixels 	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}, {
		.name	= "SECAM", 	.id	= V4L2_STD_SECAM,
		.v_offset	= 0x14,	.v_field 	= 288,
		.h_offset	= 0x14,	.h_pixels 	= 720,
		.v_max_out	= 576,	.h_max_out	= 768,
	}
};

static struct saa7146_pci_extension_data mxb = {
	.ext_priv = "Multimedia eXtension Board",
	.ext = &extension,
};

static struct pci_device_id pci_tbl[] = {
	{
		.vendor    = PCI_VENDOR_ID_PHILIPS,
		.device	   = PCI_DEVICE_ID_PHILIPS_SAA7146,
		.subvendor = 0x0000,
		.subdevice = 0x0000,
		.driver_data = (unsigned long)&mxb,
	}, {
		.vendor	= 0,
	}
};

MODULE_DEVICE_TABLE(pci, pci_tbl);

static struct saa7146_ext_vv vv_data = {
	.inputs		= MXB_INPUTS,
	.capabilities	= V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_AUDIO,
	.stds		= &standard[0],
	.num_stds	= sizeof(standard)/sizeof(struct saa7146_standard),
	.std_callback	= &std_callback,
};

static struct saa7146_extension extension = {
	.name		= "Multimedia eXtension Board",
	.flags		= SAA7146_USE_I2C_IRQ,

	.pci_tbl	= &pci_tbl[0],
	.module		= THIS_MODULE,

	.attach		= mxb_attach,
	.detach		= mxb_detach,

	.irq_mask	= 0,
	.irq_func	= NULL,
};

static int __init mxb_init_module(void)
{
	if (saa7146_register_extension(&extension)) {
		DEB_S("failed to register extension\n");
		return -ENODEV;
	}

	return 0;
}

static void __exit mxb_cleanup_module(void)
{
	saa7146_unregister_extension(&extension);
}

module_init(mxb_init_module);
module_exit(mxb_cleanup_module);

MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
MODULE_LICENSE("GPL");

This page was automatically generated by Elixir 0.1.2 (source)  •  Please report bugs by mail or directly through the issue tracker.