drivers/media/usb/au0828/au0828-cards.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Driver for the Auvitek USB bridge
  *
  *  Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
  */

 #include "au0828.h"
 #include "au0828-cards.h"
 #include "au8522.h"
 #include "media/tuner.h"
 #include "media/v4l2-common.h"

 static void hvr950q_cs5340_audio(void *priv, int enable)
 {
 	/* Because the HVR-950q shares an i2s bus between the cs5340 and the
 	   au8522, we need to hold cs5340 in reset when using the au8522 */
 	struct au0828_dev *dev = priv;
 	if (enable == 1)
 		au0828_set(dev, REG_000, 0x10);
 	else
 		au0828_clear(dev, REG_000, 0x10);
 }

 /*
  * WARNING: There's a quirks table at sound/usb/quirks-table.h
  * that should also be updated every time a new device with V4L2 support
  * is added here.
  */
 struct au0828_board au0828_boards[] = {
 	[AU0828_BOARD_UNKNOWN] = {
 		.name	= "Unknown board",
 		.tuner_type = -1U,
 		.tuner_addr = ADDR_UNSET,
 	},
 	[AU0828_BOARD_HAUPPAUGE_HVR850] = {
 		.name	= "Hauppauge HVR850",
 		.tuner_type = TUNER_XC5000,
 		.tuner_addr = 0x61,
 		.has_ir_i2c = 1,
 		.has_analog = 1,
 		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
 		.input = {
 			{
 				.type = AU0828_VMUX_TELEVISION,
 				.vmux = AU8522_COMPOSITE_CH4_SIF,
 				.amux = AU8522_AUDIO_SIF,
 			},
 			{
 				.type = AU0828_VMUX_COMPOSITE,
 				.vmux = AU8522_COMPOSITE_CH1,
 				.amux = AU8522_AUDIO_NONE,
 				.audio_setup = hvr950q_cs5340_audio,
 			},
 			{
 				.type = AU0828_VMUX_SVIDEO,
 				.vmux = AU8522_SVIDEO_CH13,
 				.amux = AU8522_AUDIO_NONE,
 				.audio_setup = hvr950q_cs5340_audio,
 			},
 		},
 	},
 	[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
 		.name	= "Hauppauge HVR950Q",
 		.tuner_type = TUNER_XC5000,
 		.tuner_addr = 0x61,
 		.has_ir_i2c = 1,
 		.has_analog = 1,
 		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
 		.input = {
 			{
 				.type = AU0828_VMUX_TELEVISION,
 				.vmux = AU8522_COMPOSITE_CH4_SIF,
 				.amux = AU8522_AUDIO_SIF,
 			},
 			{
 				.type = AU0828_VMUX_COMPOSITE,
 				.vmux = AU8522_COMPOSITE_CH1,
 				.amux = AU8522_AUDIO_NONE,
 				.audio_setup = hvr950q_cs5340_audio,
 			},
 			{
 				.type = AU0828_VMUX_SVIDEO,
 				.vmux = AU8522_SVIDEO_CH13,
 				.amux = AU8522_AUDIO_NONE,
 				.audio_setup = hvr950q_cs5340_audio,
 			},
 		},
 	},
 	[AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = {
 		.name	= "Hauppauge HVR950Q rev xxF8",
 		.tuner_type = TUNER_XC5000,
 		.tuner_addr = 0x61,
 		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
 	},
 	[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
 		.name	= "DViCO FusionHDTV USB",
 		.tuner_type = TUNER_XC5000,
 		.tuner_addr = 0x61,
 		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
 	},
 	[AU0828_BOARD_HAUPPAUGE_WOODBURY] = {
 		.name = "Hauppauge Woodbury",
 		.tuner_type = TUNER_NXP_TDA18271,
 		.tuner_addr = 0x60,
 		.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
 	},
 };

 /* Tuner callback function for au0828 boards. Currently only needed
  * for HVR1500Q, which has an xc5000 tuner.
  */
 int au0828_tuner_callback(void *priv, int component, int command, int arg)
 {
 	struct au0828_dev *dev = priv;

 	dprintk(1, "%s()\n", __func__);

 	switch (dev->boardnr) {
 	case AU0828_BOARD_HAUPPAUGE_HVR850:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
 	case AU0828_BOARD_DVICO_FUSIONHDTV7:
 		if (command == 0) {
 			/* Tuner Reset Command from xc5000 */
 			/* Drive the tuner into reset and out */
 			au0828_clear(dev, REG_001, 2);
 			mdelay(10);
 			au0828_set(dev, REG_001, 2);
 			mdelay(10);
 			return 0;
 		} else {
 			pr_err("%s(): Unknown command.\n", __func__);
 			return -EINVAL;
 		}
 		break;
 	}

 	return 0; /* Should never be here */
 }

 static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
 {
 	struct tveeprom tv;

 	tveeprom_hauppauge_analog(&tv, eeprom_data);
 	dev->board.tuner_type = tv.tuner_type;

 	/* Make sure we support the board model */
 	switch (tv.model) {
 	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
 	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
 	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
 	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
 	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
 	case 72261: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72271: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72281: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
 	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
 	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
 		break;
 	default:
 		pr_warn("%s: warning: unknown hauppauge model #%d\n",
 			__func__, tv.model);
 		break;
 	}

 	pr_info("%s: hauppauge eeprom: model=%d\n",
 	       __func__, tv.model);
 }

 void au0828_card_analog_fe_setup(struct au0828_dev *dev);

 void au0828_card_setup(struct au0828_dev *dev)
 {
 	static u8 eeprom[256];

 	dprintk(1, "%s()\n", __func__);

 	if (dev->i2c_rc == 0) {
 		dev->i2c_client.addr = 0xa0 >> 1;
 		tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
 	}

 	switch (dev->boardnr) {
 	case AU0828_BOARD_HAUPPAUGE_HVR850:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
 	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
 		if (dev->i2c_rc == 0)
 			hauppauge_eeprom(dev, eeprom+0xa0);
 		break;
 	}

 	au0828_card_analog_fe_setup(dev);
 }

 void au0828_card_analog_fe_setup(struct au0828_dev *dev)
 {
 #ifdef CONFIG_VIDEO_AU0828_V4L2
 	struct tuner_setup tun_setup;
 	struct v4l2_subdev *sd;
 	unsigned int mode_mask = T_ANALOG_TV;

 	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
 		/* Load the analog demodulator driver (note this would need to
 		   be abstracted out if we ever need to support a different
 		   demod) */
 		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 				"au8522", 0x8e >> 1, NULL);
 		if (sd == NULL)
 			pr_err("analog subdev registration failed\n");
 	}

 	/* Setup tuners */
 	if (dev->board.tuner_type != TUNER_ABSENT && dev->board.has_analog) {
 		/* Load the tuner module, which does the attach */
 		sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
 				"tuner", dev->board.tuner_addr, NULL);
 		if (sd == NULL)
 			pr_err("tuner subdev registration fail\n");

 		tun_setup.mode_mask      = mode_mask;
 		tun_setup.type           = dev->board.tuner_type;
 		tun_setup.addr           = dev->board.tuner_addr;
 		tun_setup.tuner_callback = au0828_tuner_callback;
 		v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
 				     &tun_setup);
 	}
 #endif
 }

 /*
  * The bridge has between 8 and 12 gpios.
  * Regs 1 and 0 deal with output enables.
  * Regs 3 and 2 deal with direction.
  */
 void au0828_gpio_setup(struct au0828_dev *dev)
 {
 	dprintk(1, "%s()\n", __func__);

 	switch (dev->boardnr) {
 	case AU0828_BOARD_HAUPPAUGE_HVR850:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
 	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
 	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
 		/* GPIO's
 		 * 4 - CS5340
 		 * 5 - AU8522 Demodulator
 		 * 6 - eeprom W/P
 		 * 7 - power supply
 		 * 9 - XC5000 Tuner
 		 */

 		/* Set relevant GPIOs as outputs (leave the EEPROM W/P
 		   as an input since we will never touch it and it has
 		   a pullup) */
 		au0828_write(dev, REG_003, 0x02);
 		au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10);

 		/* Into reset */
 		au0828_write(dev, REG_001, 0x0);
 		au0828_write(dev, REG_000, 0x0);
 		msleep(50);

 		/* Bring power supply out of reset */
 		au0828_write(dev, REG_000, 0x80);
 		msleep(50);

 		/* Bring xc5000 and au8522 out of reset (leave the
 		   cs5340 in reset until needed) */
 		au0828_write(dev, REG_001, 0x02); /* xc5000 */
 		au0828_write(dev, REG_000, 0x80 | 0x20); /* PS + au8522 */

 		msleep(250);
 		break;
 	case AU0828_BOARD_DVICO_FUSIONHDTV7:
 		/* GPIO's
 		 * 6 - ?
 		 * 8 - AU8522 Demodulator
 		 * 9 - XC5000 Tuner
 		 */

 		/* Into reset */
 		au0828_write(dev, REG_003, 0x02);
 		au0828_write(dev, REG_002, 0xa0);
 		au0828_write(dev, REG_001, 0x0);
 		au0828_write(dev, REG_000, 0x0);
 		msleep(100);

 		/* Out of reset */
 		au0828_write(dev, REG_003, 0x02);
 		au0828_write(dev, REG_002, 0xa0);
 		au0828_write(dev, REG_001, 0x02);
 		au0828_write(dev, REG_000, 0xa0);
 		msleep(250);
 		break;
 	}
 }

 /* table of devices that work with this driver */
 struct usb_device_id au0828_usb_id_table[] = {
 	{ USB_DEVICE(0x2040, 0x7200),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7240),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
 	{ USB_DEVICE(0x0fe9, 0xd620),
 		.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
 	{ USB_DEVICE(0x2040, 0x7210),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7217),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x721b),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x721e),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x721f),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7280),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x0fd9, 0x0008),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7201),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
 	{ USB_DEVICE(0x2040, 0x7211),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
 	{ USB_DEVICE(0x2040, 0x7281),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
 	{ USB_DEVICE(0x05e1, 0x0480),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
 	{ USB_DEVICE(0x2040, 0x8200),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
 	{ USB_DEVICE(0x2040, 0x7260),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7213),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ USB_DEVICE(0x2040, 0x7270),
 		.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
 	{ },
 };

 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);
	// SPDX-License-Identifier: GPL-2.0-or-later
	/*
	* Driver for the Auvitek USB bridge
	*
	* Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
	*/

	#include "au0828.h"
	#include "au0828-cards.h"
	#include "au8522.h"
	#include "media/tuner.h"
	#include "media/v4l2-common.h"

	static void hvr950q_cs5340_audio(void *priv, int enable)
	{
	/* Because the HVR-950q shares an i2s bus between the cs5340 and the
	au8522, we need to hold cs5340 in reset when using the au8522 */
	struct au0828_dev *dev = priv;
	if (enable == 1)
	au0828_set(dev, REG_000, 0x10);
	else
	au0828_clear(dev, REG_000, 0x10);
	}

	/*
	* WARNING: There's a quirks table at sound/usb/quirks-table.h
	* that should also be updated every time a new device with V4L2 support
	* is added here.
	*/
	struct au0828_board au0828_boards[] = {
	[AU0828_BOARD_UNKNOWN] = {
	.name = "Unknown board",
	.tuner_type = -1U,
	.tuner_addr = ADDR_UNSET,
	},
	[AU0828_BOARD_HAUPPAUGE_HVR850] = {
	.name = "Hauppauge HVR850",
	.tuner_type = TUNER_XC5000,
	.tuner_addr = 0x61,
	.has_ir_i2c = 1,
	.has_analog = 1,
	.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
	.input = {
	{
	.type = AU0828_VMUX_TELEVISION,
	.vmux = AU8522_COMPOSITE_CH4_SIF,
	.amux = AU8522_AUDIO_SIF,
	},
	{
	.type = AU0828_VMUX_COMPOSITE,
	.vmux = AU8522_COMPOSITE_CH1,
	.amux = AU8522_AUDIO_NONE,
	.audio_setup = hvr950q_cs5340_audio,
	},
	{
	.type = AU0828_VMUX_SVIDEO,
	.vmux = AU8522_SVIDEO_CH13,
	.amux = AU8522_AUDIO_NONE,
	.audio_setup = hvr950q_cs5340_audio,
	},
	},
	},
	[AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
	.name = "Hauppauge HVR950Q",
	.tuner_type = TUNER_XC5000,
	.tuner_addr = 0x61,
	.has_ir_i2c = 1,
	.has_analog = 1,
	.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
	.input = {
	{
	.type = AU0828_VMUX_TELEVISION,
	.vmux = AU8522_COMPOSITE_CH4_SIF,
	.amux = AU8522_AUDIO_SIF,
	},
	{
	.type = AU0828_VMUX_COMPOSITE,
	.vmux = AU8522_COMPOSITE_CH1,
	.amux = AU8522_AUDIO_NONE,
	.audio_setup = hvr950q_cs5340_audio,
	},
	{
	.type = AU0828_VMUX_SVIDEO,
	.vmux = AU8522_SVIDEO_CH13,
	.amux = AU8522_AUDIO_NONE,
	.audio_setup = hvr950q_cs5340_audio,
	},
	},
	},
	[AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = {
	.name = "Hauppauge HVR950Q rev xxF8",
	.tuner_type = TUNER_XC5000,
	.tuner_addr = 0x61,
	.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
	},
	[AU0828_BOARD_DVICO_FUSIONHDTV7] = {
	.name = "DViCO FusionHDTV USB",
	.tuner_type = TUNER_XC5000,
	.tuner_addr = 0x61,
	.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
	},
	[AU0828_BOARD_HAUPPAUGE_WOODBURY] = {
	.name = "Hauppauge Woodbury",
	.tuner_type = TUNER_NXP_TDA18271,
	.tuner_addr = 0x60,
	.i2c_clk_divider = AU0828_I2C_CLK_250KHZ,
	},
	};

	/* Tuner callback function for au0828 boards. Currently only needed
	* for HVR1500Q, which has an xc5000 tuner.
	*/
	int au0828_tuner_callback(void *priv, int component, int command, int arg)
	{
	struct au0828_dev *dev = priv;

	dprintk(1, "%s()\n", __func__);

	switch (dev->boardnr) {
	case AU0828_BOARD_HAUPPAUGE_HVR850:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	if (command == 0) {
	/* Tuner Reset Command from xc5000 */
	/* Drive the tuner into reset and out */
	au0828_clear(dev, REG_001, 2);
	mdelay(10);
	au0828_set(dev, REG_001, 2);
	mdelay(10);
	return 0;
	} else {
	pr_err("%s(): Unknown command.\n", __func__);
	return -EINVAL;
	}
	break;
	}

	return 0; /* Should never be here */
	}

	static void hauppauge_eeprom(struct au0828_dev dev, u8 eeprom_data)
	{
	struct tveeprom tv;

	tveeprom_hauppauge_analog(&tv, eeprom_data);
	dev->board.tuner_type = tv.tuner_type;

	/* Make sure we support the board model */
	switch (tv.model) {
	case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */
	case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
	case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
	case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
	case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
	case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
	case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */
	case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
	case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */
	case 72261: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
	case 72271: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
	case 72281: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */
	case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */
	case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */
	break;
	default:
	pr_warn("%s: warning: unknown hauppauge model #%d\n",
	__func__, tv.model);
	break;
	}

	pr_info("%s: hauppauge eeprom: model=%d\n",
	__func__, tv.model);
	}

	void au0828_card_analog_fe_setup(struct au0828_dev *dev);

	void au0828_card_setup(struct au0828_dev *dev)
	{
	static u8 eeprom[256];

	dprintk(1, "%s()\n", __func__);

	if (dev->i2c_rc == 0) {
	dev->i2c_client.addr = 0xa0 >> 1;
	tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
	}

	switch (dev->boardnr) {
	case AU0828_BOARD_HAUPPAUGE_HVR850:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	if (dev->i2c_rc == 0)
	hauppauge_eeprom(dev, eeprom+0xa0);
	break;
	}

	au0828_card_analog_fe_setup(dev);
	}

	void au0828_card_analog_fe_setup(struct au0828_dev *dev)
	{
	#ifdef CONFIG_VIDEO_AU0828_V4L2
	struct tuner_setup tun_setup;
	struct v4l2_subdev *sd;
	unsigned int mode_mask = T_ANALOG_TV;

	if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) {
	/* Load the analog demodulator driver (note this would need to
	be abstracted out if we ever need to support a different
	demod) */
	sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
	"au8522", 0x8e >> 1, NULL);
	if (sd == NULL)
	pr_err("analog subdev registration failed\n");
	}

	/* Setup tuners */
	if (dev->board.tuner_type != TUNER_ABSENT && dev->board.has_analog) {
	/* Load the tuner module, which does the attach */
	sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
	"tuner", dev->board.tuner_addr, NULL);
	if (sd == NULL)
	pr_err("tuner subdev registration fail\n");

	tun_setup.mode_mask = mode_mask;
	tun_setup.type = dev->board.tuner_type;
	tun_setup.addr = dev->board.tuner_addr;
	tun_setup.tuner_callback = au0828_tuner_callback;
	v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr,
	&tun_setup);
	}
	#endif
	}

	/*
	* The bridge has between 8 and 12 gpios.
	* Regs 1 and 0 deal with output enables.
	* Regs 3 and 2 deal with direction.
	*/
	void au0828_gpio_setup(struct au0828_dev *dev)
	{
	dprintk(1, "%s()\n", __func__);

	switch (dev->boardnr) {
	case AU0828_BOARD_HAUPPAUGE_HVR850:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q:
	case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL:
	case AU0828_BOARD_HAUPPAUGE_WOODBURY:
	/* GPIO's
	* 4 - CS5340
	* 5 - AU8522 Demodulator
	* 6 - eeprom W/P
	* 7 - power supply
	* 9 - XC5000 Tuner
	*/

	/* Set relevant GPIOs as outputs (leave the EEPROM W/P
	as an input since we will never touch it and it has
	a pullup) */
	au0828_write(dev, REG_003, 0x02);
	au0828_write(dev, REG_002, 0x80 \| 0x20 \| 0x10);

	/* Into reset */
	au0828_write(dev, REG_001, 0x0);
	au0828_write(dev, REG_000, 0x0);
	msleep(50);

	/* Bring power supply out of reset */
	au0828_write(dev, REG_000, 0x80);
	msleep(50);

	/* Bring xc5000 and au8522 out of reset (leave the
	cs5340 in reset until needed) */
	au0828_write(dev, REG_001, 0x02); /* xc5000 */
	au0828_write(dev, REG_000, 0x80 \| 0x20); /* PS + au8522 */

	msleep(250);
	break;
	case AU0828_BOARD_DVICO_FUSIONHDTV7:
	/* GPIO's
	* 6 - ?
	* 8 - AU8522 Demodulator
	* 9 - XC5000 Tuner
	*/

	/* Into reset */
	au0828_write(dev, REG_003, 0x02);
	au0828_write(dev, REG_002, 0xa0);
	au0828_write(dev, REG_001, 0x0);
	au0828_write(dev, REG_000, 0x0);
	msleep(100);

	/* Out of reset */
	au0828_write(dev, REG_003, 0x02);
	au0828_write(dev, REG_002, 0xa0);
	au0828_write(dev, REG_001, 0x02);
	au0828_write(dev, REG_000, 0xa0);
	msleep(250);
	break;
	}
	}

	/* table of devices that work with this driver */
	struct usb_device_id au0828_usb_id_table[] = {
	{ USB_DEVICE(0x2040, 0x7200),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7240),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
	{ USB_DEVICE(0x0fe9, 0xd620),
	.driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
	{ USB_DEVICE(0x2040, 0x7210),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7217),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x721b),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x721e),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x721f),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7280),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x0fd9, 0x0008),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7201),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
	{ USB_DEVICE(0x2040, 0x7211),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
	{ USB_DEVICE(0x2040, 0x7281),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL },
	{ USB_DEVICE(0x05e1, 0x0480),
	.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
	{ USB_DEVICE(0x2040, 0x8200),
	.driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY },
	{ USB_DEVICE(0x2040, 0x7260),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7213),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ USB_DEVICE(0x2040, 0x7270),
	.driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
	{ },
	};

	MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);