av7110_v4l.c

trident tm5600的linux驱动

				return -EINVAL;
		}

		memcpy(i, &inputs[i->index], sizeof(struct v4l2_input));

		return 0;
	}
	case VIDIOC_G_INPUT:
	{
		int *input = (int *)arg;
		*input = av7110->current_input;
		dprintk(2, "VIDIOC_G_INPUT: %d\n", *input);
		return 0;
	}
	case VIDIOC_S_INPUT:
	{
		int input = *(int *)arg;

		dprintk(2, "VIDIOC_S_INPUT: %d\n", input);

		if (!av7110->analog_tuner_flags)
			return 0;

		if (input < 0 || input >= 4)
			return -EINVAL;

		av7110->current_input = input;
		return av7110_dvb_c_switch(fh);
	}
	case VIDIOC_G_AUDIO:
	{
		struct v4l2_audio *a = arg;

		dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
		if (a->index != 0)
			return -EINVAL;
		memcpy(a, &msp3400_v4l2_audio, sizeof(struct v4l2_audio));
		break;
	}
	case VIDIOC_S_AUDIO:
	{
		struct v4l2_audio *a = arg;
		dprintk(2, "VIDIOC_S_AUDIO: %d\n", a->index);
		break;
	}
	case VIDIOC_G_SLICED_VBI_CAP:
	{
		struct v4l2_sliced_vbi_cap *cap = arg;
		dprintk(2, "VIDIOC_G_SLICED_VBI_CAP\n");
		memset(cap, 0, sizeof *cap);
		if (FW_VERSION(av7110->arm_app) >= 0x2623) {
			cap->service_set = V4L2_SLICED_WSS_625;
			cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
		}
		break;
	}
	case VIDIOC_G_FMT:
	{
		struct v4l2_format *f = arg;
		dprintk(2, "VIDIOC_G_FMT:\n");
		if (f->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ||
		    FW_VERSION(av7110->arm_app) < 0x2623)
			return -EAGAIN; /* handled by core driver */
		memset(&f->fmt.sliced, 0, sizeof f->fmt.sliced);
		if (av7110->wssMode) {
			f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
			f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
			f->fmt.sliced.io_size = sizeof (struct v4l2_sliced_vbi_data);
		}
		break;
	}
	case VIDIOC_S_FMT:
	{
		struct v4l2_format *f = arg;
		dprintk(2, "VIDIOC_S_FMT\n");
		if (f->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ||
		    FW_VERSION(av7110->arm_app) < 0x2623)
			return -EAGAIN; /* handled by core driver */
		if (f->fmt.sliced.service_set != V4L2_SLICED_WSS_625 &&
		    f->fmt.sliced.service_lines[0][23] != V4L2_SLICED_WSS_625) {
			memset(&f->fmt.sliced, 0, sizeof f->fmt.sliced);
			/* WSS controlled by firmware */
			av7110->wssMode = 0;
			av7110->wssData = 0;
			return av7110_fw_cmd(av7110, COMTYPE_ENCODER,
					     SetWSSConfig, 1, 0);
		} else {
			memset(&f->fmt.sliced, 0, sizeof f->fmt.sliced);
			f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
			f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
			f->fmt.sliced.io_size = sizeof (struct v4l2_sliced_vbi_data);
			/* WSS controlled by userspace */
			av7110->wssMode = 1;
			av7110->wssData = 0;
		}
		break;
	}
	default:
		printk("no such ioctl\n");
		return -ENOIOCTLCMD;
	}
	return 0;
}

static int av7110_vbi_reset(struct inode *inode, struct file *file)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;

	dprintk(2, "%s\n", __func__);
	av7110->wssMode = 0;
	av7110->wssData = 0;
	if (FW_VERSION(av7110->arm_app) < 0x2623)
		return 0;
	else
		return av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 1, 0);
}

static ssize_t av7110_vbi_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
{
	struct saa7146_fh *fh = file->private_data;
	struct saa7146_dev *dev = fh->dev;
	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
	struct v4l2_sliced_vbi_data d;
	int rc;

	dprintk(2, "%s\n", __func__);
	if (FW_VERSION(av7110->arm_app) < 0x2623 || !av7110->wssMode || count != sizeof d)
		return -EINVAL;
	if (copy_from_user(&d, data, count))
		return -EFAULT;
	if ((d.id != 0 && d.id != V4L2_SLICED_WSS_625) || d.field != 0 || d.line != 23)
		return -EINVAL;
	if (d.id)
		av7110->wssData = ((d.data[1] << 8) & 0x3f00) | d.data[0];
	else
		av7110->wssData = 0x8000;
	rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 2, 1, av7110->wssData);
	return (rc < 0) ? rc : count;
}

/****************************************************************************
 * INITIALIZATION
 ****************************************************************************/

static struct saa7146_extension_ioctls ioctls[] = {
	{ VIDIOC_ENUMINPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_INPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_INPUT,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_FREQUENCY,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_FREQUENCY,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_TUNER,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_TUNER,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_AUDIO,	SAA7146_EXCLUSIVE },
	{ VIDIOC_S_AUDIO,	SAA7146_EXCLUSIVE },
	{ VIDIOC_G_SLICED_VBI_CAP, SAA7146_EXCLUSIVE },
	{ VIDIOC_G_FMT,		SAA7146_BEFORE },
	{ VIDIOC_S_FMT,		SAA7146_BEFORE },
	{ 0, 0 }
};

static u8 saa7113_init_regs[] = {
	0x02, 0xd0,
	0x03, 0x23,
	0x04, 0x00,
	0x05, 0x00,
	0x06, 0xe9,
	0x07, 0x0d,
	0x08, 0x98,
	0x09, 0x02,
	0x0a, 0x80,
	0x0b, 0x40,
	0x0c, 0x40,
	0x0d, 0x00,
	0x0e, 0x01,
	0x0f, 0x7c,
	0x10, 0x48,
	0x11, 0x0c,
	0x12, 0x8b,
	0x13, 0x1a,
	0x14, 0x00,
	0x15, 0x00,
	0x16, 0x00,
	0x17, 0x00,
	0x18, 0x00,
	0x19, 0x00,
	0x1a, 0x00,
	0x1b, 0x00,
	0x1c, 0x00,
	0x1d, 0x00,
	0x1e, 0x00,

	0x41, 0x77,
	0x42, 0x77,
	0x43, 0x77,
	0x44, 0x77,
	0x45, 0x77,
	0x46, 0x77,
	0x47, 0x77,
	0x48, 0x77,
	0x49, 0x77,
	0x4a, 0x77,
	0x4b, 0x77,
	0x4c, 0x77,
	0x4d, 0x77,
	0x4e, 0x77,
	0x4f, 0x77,
	0x50, 0x77,
	0x51, 0x77,
	0x52, 0x77,
	0x53, 0x77,
	0x54, 0x77,
	0x55, 0x77,
	0x56, 0x77,
	0x57, 0xff,

	0xff
};


static struct saa7146_ext_vv av7110_vv_data_st;
static struct saa7146_ext_vv av7110_vv_data_c;

int av7110_init_analog_module(struct av7110 *av7110)
{
	u16 version1, version2;

	if (i2c_writereg(av7110, 0x80, 0x0, 0x80) == 1 &&
	    i2c_writereg(av7110, 0x80, 0x0, 0) == 1) {
		printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3400\n",
			av7110->dvb_adapter.num);
		av7110->adac_type = DVB_ADAC_MSP34x0;
	} else if (i2c_writereg(av7110, 0x84, 0x0, 0x80) == 1 &&
		   i2c_writereg(av7110, 0x84, 0x0, 0) == 1) {
		printk("dvb-ttpci: DVB-C analog module @ card %d detected, initializing MSP3415\n",
			av7110->dvb_adapter.num);
		av7110->adac_type = DVB_ADAC_MSP34x5;
	} else
		return -ENODEV;

	msleep(100); // the probing above resets the msp...
	msp_readreg(av7110, MSP_RD_DSP, 0x001e, &version1);
	msp_readreg(av7110, MSP_RD_DSP, 0x001f, &version2);
	dprintk(1, "dvb-ttpci: @ card %d MSP34xx version 0x%04x 0x%04x\n",
		av7110->dvb_adapter.num, version1, version2);
	msp_writereg(av7110, MSP_WR_DSP, 0x0013, 0x0c00);
	msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
	msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
	msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0220); // headphone source
	msp_writereg(av7110, MSP_WR_DSP, 0x0004, 0x7f00); // loudspeaker volume
	msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
	msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume
	msp_writereg(av7110, MSP_WR_DSP, 0x000d, 0x1900); // prescale SCART

	if (i2c_writereg(av7110, 0x48, 0x01, 0x00)!=1) {
		INFO(("saa7113 not accessible.\n"));
	} else {
		u8 *i = saa7113_init_regs;

		if ((av7110->dev->pci->subsystem_vendor == 0x110a) && (av7110->dev->pci->subsystem_device == 0x0000)) {
			/* Fujitsu/Siemens DVB-Cable */
			av7110->analog_tuner_flags |= ANALOG_TUNER_VES1820;
		} else if ((av7110->dev->pci->subsystem_vendor == 0x13c2) && (av7110->dev->pci->subsystem_device == 0x0002)) {
			/* Hauppauge/TT DVB-C premium */
			av7110->analog_tuner_flags |= ANALOG_TUNER_VES1820;
		} else if ((av7110->dev->pci->subsystem_vendor == 0x13c2) && (av7110->dev->pci->subsystem_device == 0x000A)) {
			/* Hauppauge/TT DVB-C premium */
			av7110->analog_tuner_flags |= ANALOG_TUNER_STV0297;
		}

		/* setup for DVB by default */
		if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
			if (ves1820_writereg(av7110->dev, 0x09, 0x0f, 0x20))
				dprintk(1, "setting band in demodulator failed.\n");
		} else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
			saa7146_setgpio(av7110->dev, 1, SAA7146_GPIO_OUTLO); // TDA9819 pin9(STD)
			saa7146_setgpio(av7110->dev, 3, SAA7146_GPIO_OUTLO); // TDA9819 pin30(VIF)
		}

		/* init the saa7113 */
		while (*i != 0xff) {
			if (i2c_writereg(av7110, 0x48, i[0], i[1]) != 1) {
				dprintk(1, "saa7113 initialization failed @ card %d", av7110->dvb_adapter.num);
				break;
			}
			i += 2;
		}
		/* setup msp for analog sound: B/G Dual-FM */
		msp_writereg(av7110, MSP_WR_DEM, 0x00bb, 0x02d0); // AD_CV
		msp_writereg(av7110, MSP_WR_DEM, 0x0001,  3); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 18); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 27); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 48); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 66); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0001, 72); // FIR1
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  4); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 64); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  0); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005,  3); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 18); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 27); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 48); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 66); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0005, 72); // FIR2
		msp_writereg(av7110, MSP_WR_DEM, 0x0083, 0xa000); // MODE_REG
		msp_writereg(av7110, MSP_WR_DEM, 0x0093, 0x00aa); // DCO1_LO 5.74MHz
		msp_writereg(av7110, MSP_WR_DEM, 0x009b, 0x04fc); // DCO1_HI
		msp_writereg(av7110, MSP_WR_DEM, 0x00a3, 0x038e); // DCO2_LO 5.5MHz
		msp_writereg(av7110, MSP_WR_DEM, 0x00ab, 0x04c6); // DCO2_HI
		msp_writereg(av7110, MSP_WR_DEM, 0x0056, 0); // LOAD_REG 1/2
	}

	memcpy(standard, dvb_standard, sizeof(struct saa7146_standard) * 2);
	/* set dd1 stream a & b */
	saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
	saa7146_write(av7110->dev, DD1_INIT, 0x03000700);
	saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));

	return 0;
}

int av7110_init_v4l(struct av7110 *av7110)
{
	struct saa7146_dev* dev = av7110->dev;
	int ret;

	/* special case DVB-C: these cards have an analog tuner
	   plus need some special handling, so we have separate
	   saa7146_ext_vv data for these... */
	if (av7110->analog_tuner_flags)
		ret = saa7146_vv_init(dev, &av7110_vv_data_c);
	else
		ret = saa7146_vv_init(dev, &av7110_vv_data_st);

	if (ret) {
		ERR(("cannot init capture device. skipping.\n"));
		return -ENODEV;
	}

	if (saa7146_register_device(&av7110->v4l_dev, dev, "av7110", VFL_TYPE_GRABBER)) {
		ERR(("cannot register capture device. skipping.\n"));
		saa7146_vv_release(dev);
		return -ENODEV;
	}
	if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI))
		ERR(("cannot register vbi v4l2 device. skipping.\n"));
	return 0;
}

int av7110_exit_v4l(struct av7110 *av7110)
{
	struct saa7146_dev* dev = av7110->dev;

	saa7146_unregister_device(&av7110->v4l_dev, av7110->dev);
	saa7146_unregister_device(&av7110->vbi_dev, av7110->dev);

	saa7146_vv_release(dev);

	return 0;
}



/* FIXME: these values are experimental values that look better than the
   values from the latest "official" driver -- at least for me... (MiHu) */
static struct saa7146_standard standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x15,	.v_field	= 288,
		.h_offset	= 0x48,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static struct saa7146_standard analog_standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x1b,	.v_field	= 288,
		.h_offset	= 0x08,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static struct saa7146_standard dvb_standard[] = {
	{
		.name	= "PAL",	.id		= V4L2_STD_PAL_BG,
		.v_offset	= 0x14,	.v_field	= 288,
		.h_offset	= 0x48,	.h_pixels	= 708,
		.v_max_out	= 576,	.h_max_out	= 768,
	}, {
		.name	= "NTSC",	.id		= V4L2_STD_NTSC,
		.v_offset	= 0x10,	.v_field	= 244,
		.h_offset	= 0x40,	.h_pixels	= 708,
		.v_max_out	= 480,	.h_max_out	= 640,
	}
};

static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
{
	struct av7110 *av7110 = (struct av7110*) dev->ext_priv;

	if (std->id & V4L2_STD_PAL) {
		av7110->vidmode = AV7110_VIDEO_MODE_PAL;
		av7110_set_vidmode(av7110, av7110->vidmode);
	}
	else if (std->id & V4L2_STD_NTSC) {
		av7110->vidmode = AV7110_VIDEO_MODE_NTSC;
		av7110_set_vidmode(av7110, av7110->vidmode);
	}
	else
		return -1;

	return 0;
}


static struct saa7146_ext_vv av7110_vv_data_st = {
	.inputs		= 1,
	.audios		= 1,
	.capabilities	= V4L2_CAP_SLICED_VBI_OUTPUT,
	.flags		= 0,

	.stds		= &standard[0],
	.num_stds	= ARRAY_SIZE(standard),
	.std_callback	= &std_callback,

	.ioctls		= &ioctls[0],
	.ioctl		= av7110_ioctl,

	.vbi_fops.open	= av7110_vbi_reset,
	.vbi_fops.release = av7110_vbi_reset,
	.vbi_fops.write	= av7110_vbi_write,
};

static struct saa7146_ext_vv av7110_vv_data_c = {
	.inputs		= 1,
	.audios		= 1,
	.capabilities	= V4L2_CAP_TUNER | V4L2_CAP_SLICED_VBI_OUTPUT,
	.flags		= SAA7146_USE_PORT_B_FOR_VBI,

	.stds		= &standard[0],
	.num_stds	= ARRAY_SIZE(standard),
	.std_callback	= &std_callback,

	.ioctls		= &ioctls[0],
	.ioctl		= av7110_ioctl,

	.vbi_fops.open	= av7110_vbi_reset,
	.vbi_fops.release = av7110_vbi_reset,
	.vbi_fops.write	= av7110_vbi_write,
};