mxb.c

linux-2.6.15.6

		switch( input ) {
			case TUNER:
			case AUX1:
			{
				if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
					printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
					return -EFAULT;
				}
				break;
			}
			default:
			{
				break;
			}
		}
				
		/* switch video in saa7111a */
		if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
			printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
		}			

		/* switch the audio-source only if necessary */
		if( 0 == mxb->cur_mute ) {
			mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
			mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
		}

		return 0;
	}
	case VIDIOC_G_TUNER:
	{
		struct v4l2_tuner *t = arg;
		int byte = 0;

		if( 0 != 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));
		strcpy(t->name, "Television");

		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->rangelow = 772;	/* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
		t->rangehigh = 13684;	/* 855.25 MHz / 62.5 kHz = 13684 */
		/* FIXME: add the real signal strength here */
		t->signal = 0xffff;
		t->afc = 0;		

		mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
		t->audmode = mxb->cur_mode;
		
		if( byte < 0 ) {
			t->rxsubchans  = V4L2_TUNER_SUB_MONO;
		} else {
			switch(byte) {
				case TDA9840_MONO_DETECT: {
					t->rxsubchans 	= V4L2_TUNER_SUB_MONO;
					DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
					break;
				}
				case TDA9840_DUAL_DETECT: {
					t->rxsubchans 	= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
					DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
					break;
				}
				case TDA9840_STEREO_DETECT: {
					t->rxsubchans 	= V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
					DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
					break;
				}
				default: { /* TDA9840_INCORRECT_DETECT */
					t->rxsubchans 	= V4L2_TUNER_MODE_MONO;
					DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
					break;
				}
			}
		}

		return 0;
	}
	case VIDIOC_S_TUNER:
	{
		struct v4l2_tuner *t = arg;
		int result = 0;
		int byte = 0;
		
		if( 0 != t->index ) {
			DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
			return -EINVAL;
		}
	
		switch(t->audmode) {
			case V4L2_TUNER_MODE_STEREO: {
				mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
				byte = TDA9840_SET_STEREO;
				DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
				break;
			}
			case V4L2_TUNER_MODE_LANG1: {
				mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
				byte = TDA9840_SET_LANG1;
				DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
				break;
			}
			case V4L2_TUNER_MODE_LANG2: {
				mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
				byte = TDA9840_SET_LANG2;
				DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
				break;
			}
			default: { /* case V4L2_TUNER_MODE_MONO: {*/
				mxb->cur_mode = V4L2_TUNER_MODE_MONO;
				byte = TDA9840_SET_MONO;
				DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
				break;
			}
		}

		if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
			printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
		}
				
		return 0;
	}
	case VIDIOC_G_FREQUENCY:
	{
		struct v4l2_frequency *f = arg;

		if(0 != mxb->cur_input) {
			DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
			return -EINVAL;
		}

		*f = mxb->cur_freq;

		DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
		return 0;
	}
	case VIDIOC_S_FREQUENCY:
	{
		struct v4l2_frequency *f = arg;

		if (0 != f->tuner)
			return -EINVAL;

		if (V4L2_TUNER_ANALOG_TV != f->type)
			return -EINVAL;
		
		if(0 != mxb->cur_input) {
			DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
			return -EINVAL;
		}

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

		/* tune in desired frequency */			
		mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);

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

		return 0;
	}
	case MXB_S_AUDIO_CD:
	{
		int i = *(int*)arg;
				
		if( i < 0 || i >= MXB_AUDIOS ) {
			DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
			return -EINVAL;
		}
		
		DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));

		mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
		mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);

		return 0;
	}
	case MXB_S_AUDIO_LINE:
	{
		int i = *(int*)arg;
				
		if( i < 0 || i >= MXB_AUDIOS ) {
			DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
			return -EINVAL;
		}
		
		DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
		mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
		mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);

		return 0;
	}
	case VIDIOC_G_AUDIO:
	{
		struct v4l2_audio *a = arg;

		if( a->index < 0 || a->index > MXB_INPUTS ) {
	 		DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
			return -EINVAL;
		}
		
 		DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
		memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
		
		return 0;
	}
	case VIDIOC_S_AUDIO:
	{
		struct v4l2_audio *a = arg;
		DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
		return 0;
	}	
	default:
/*
		DEB2(printk("does not handle this ioctl.\n"));
*/
		return -ENOIOCTLCMD;
	}
	return 0;
}

static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
{
	struct mxb* mxb = (struct mxb*)dev->ext_priv;
	int zero = 0;
	int one = 1;

	if(V4L2_STD_PAL_I == std->id ) {
		DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
		/* set the 7146 gpio register -- I don't know what this does exactly */
      		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		/* unset the 7111 gpio register -- I don't know what this does exactly */
		mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero);
	} else {
		DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
		/* set the 7146 gpio register -- I don't know what this does exactly */
      		saa7146_write(dev, GPIO_CTRL, 0x00404050);
		/* set the 7111 gpio register -- I don't know what this does exactly */
		mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one);
	}
	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,
	.stds		= &standard[0],
	.num_stds	= sizeof(standard)/sizeof(struct saa7146_standard),
	.std_callback	= &std_callback, 
	.ioctls		= &ioctls[0],
	.ioctl		= mxb_ioctl,
};

static struct saa7146_extension extension = {
	.name		= MXB_IDENTIFIER,
	.flags		= SAA7146_USE_I2C_IRQ,
	
	.pci_tbl	= &pci_tbl[0],
	.module		= THIS_MODULE,

	.probe		= mxb_probe,
	.attach		= mxb_attach,
	.detach		= mxb_detach,

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

static int __init mxb_init_module(void)
{
	if( 0 != 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 <[e-mail]>");
MODULE_LICENSE("GPL");