drivers/media/video/em28xx/em28xx-cards.c - SHIFTPHONES/kernel/shift/mainline - Gitiles

 /*
    em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices

    Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
 		      Markus Rechberger <mrechberger@gmail.com>
 		      Mauro Carvalho Chehab <mchehab@infradead.org>
 		      Sascha Sommer <saschasommer@freenet.de>

    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.
  */

 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/usb.h>
 #include <media/tuner.h>
 #include <media/msp3400.h>
 #include <media/saa7115.h>
 #include <media/tvp5150.h>
 #include <media/tveeprom.h>
 #include <media/audiochip.h>
 #include <media/v4l2-common.h>

 #include "em28xx.h"
 #include "tuner-xc2028.h"

 static int tuner = -1;
 module_param(tuner, int, 0444);
 MODULE_PARM_DESC(tuner, "tuner type");

 struct em28xx_hash_table {
 	unsigned long hash;
 	unsigned int  model;
 	unsigned int  tuner;
 };

 struct em28xx_board em28xx_boards[] = {
 	[EM2800_BOARD_UNKNOWN] = {
 		.name         = "Unknown EM2800 video grabber",
 		.is_em2800    = 1,
 		.vchannels    = 2,
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input           = {{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_UNKNOWN] = {
 		.name         = "Unknown EM2750/28xx video grabber",
 		.is_em2800    = 0,
 	},
 	[EM2820_BOARD_KWORLD_PVRTV2800RF] = {
 		.name         = "Kworld PVR TV 2800 RF",
 		.is_em2800    = 0,
 		.vchannels    = 2,
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input           = {{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_TERRATEC_CINERGY_250] = {
 		.name         = "Terratec Cinergy 250 USB",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_PINNACLE_USB_2] = {
 		.name         = "Pinnacle PCTV USB 2",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
 		.name         = "Hauppauge WinTV USB 2",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_NTSC,
 		.tuner_type   = TUNER_PHILIPS_FM1236_MK3,
 		.tda9887_conf = TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_TVP5150,
 		.has_msp34xx  = 1,
 		/*FIXME: S-Video not tested */
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
 			.amux     = MSP_INPUT_DEFAULT,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
 					MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
 		}},
 	},
 	[EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
 		.name         = "Hauppauge WinTV HVR 900/950",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.tuner_type   = TUNER_XC2028,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_TVP5150,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = TVP5150_COMPOSITE1,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = 1,
 		}},
 	},
 	[EM2880_BOARD_TERRATEC_HYBRID_XS] = {
 		.name         = "Terratec Hybrid XS",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.tuner_type   = TUNER_XC2028,
 		.decoder      = EM28XX_TVP5150,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = TVP5150_COMPOSITE1,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = 1,
 		}},
 	},
 	/* maybe there's a reason behind it why Terratec sells the Hybrid XS as Prodigy XS with a
 	 * different PID, let's keep it separated for now maybe we'll need it lateron */
 	[EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
 		.name         = "Terratec Prodigy XS",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.tuner_type   = TUNER_XC2028,
 		.decoder      = EM28XX_TVP5150,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = TVP5150_COMPOSITE0,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = TVP5150_COMPOSITE1,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = TVP5150_SVIDEO,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_MSI_VOX_USB_2] = {
 		.name		= "MSI VOX USB 2.0",
 		.vchannels	= 3,
 		.norm		= VIDEO_MODE_PAL,
 		.tuner_type	= TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf	= TDA9887_PRESENT|TDA9887_PORT1_ACTIVE|TDA9887_PORT2_ACTIVE,
 		.has_tuner	= 1,
 		.decoder        = EM28XX_SAA7114,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE4,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2800_BOARD_TERRATEC_CINERGY_200] = {
 		.name         = "Terratec Cinergy 200 USB",
 		.is_em2800    = 1,
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
 		.name         = "Leadtek Winfast USB II",
 		.is_em2800    = 1,
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2800_BOARD_KWORLD_USB2800] = {
 		.name         = "Kworld USB2800",
 		.is_em2800    = 1,
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_PHILIPS_ATSC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_PINNACLE_DVC_90] = {
 		.name         = "Pinnacle Dazzle DVC 90",
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.has_tuner    = 0,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2800_BOARD_VGEAR_POCKETTV] = {
 		.name         = "V-Gear PocketTV",
 		.is_em2800    = 1,
 		.vchannels    = 3,
 		.norm         = VIDEO_MODE_PAL,
 		.tuner_type   = TUNER_LG_PAL_NEW_TAPC,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 0,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 	[EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
 		.name         = "Pixelview Prolink PlayTV USB 2.0",
 		.vchannels    = 3,
 		.tda9887_conf = TDA9887_PRESENT,
 		.has_tuner    = 1,
 		.decoder      = EM28XX_SAA7113,
 		.input          = {{
 			.type     = EM28XX_VMUX_TELEVISION,
 			.vmux     = SAA7115_COMPOSITE2,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_COMPOSITE1,
 			.vmux     = SAA7115_COMPOSITE0,
 			.amux     = 1,
 		},{
 			.type     = EM28XX_VMUX_SVIDEO,
 			.vmux     = SAA7115_SVIDEO3,
 			.amux     = 1,
 		}},
 	},
 };
 const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);

 /* table of devices that work with this driver */
 struct usb_device_id em28xx_id_table [] = {
 	{ USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
 	{ USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
 	{ USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
 	{ USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
 	{ USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
 	{ USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 	{ USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
 	{ USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
 	{ USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
 	{ },
 };
 MODULE_DEVICE_TABLE (usb, em28xx_id_table);

 /* EEPROM hash table for devices with generic USB IDs */
 static struct em28xx_hash_table em28xx_eeprom_hash [] = {
 	/* P/N: SA 60002070465 Tuner: TVF7533-MF */
 	{ 0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF },
 };

 /* I2C devicelist hash table for devices with generic USB IDs */
 static struct em28xx_hash_table em28xx_i2c_hash[] = {
 	{ 0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC },
 	{ 0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC },
 };

 /* Since em28xx_pre_card_setup() requires a proper dev->model,
  * this won't work for boards with generic PCI IDs
  */
 void em28xx_pre_card_setup(struct em28xx *dev)
 {
 	/* request some modules */
 	switch(dev->model){
 	case EM2880_BOARD_TERRATEC_PRODIGY_XS:
 	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
 	case EM2880_BOARD_TERRATEC_HYBRID_XS:
 		/* reset through GPIO? */
 		em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
 		break;
 	}
 }

 static int em28xx_tuner_callback(void *ptr, int command, int arg)
 {
 	int rc = 0;
 	struct em28xx *dev = ptr;

 	if (dev->tuner_type != TUNER_XC2028)
 		return 0;

 	switch (command) {
 	case XC2028_TUNER_RESET:
 		/* FIXME: This is device-dependent */
 		dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
 		dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);

 		msleep(140);
 		break;
 	}
 	return rc;
 }

 static void em28xx_config_tuner (struct em28xx *dev)
 {
 	struct v4l2_priv_tun_config  xc2028_cfg;
 	struct xc2028_ctrl           ctl;
 	struct tuner_setup           tun_setup;
 	struct v4l2_frequency        f;

 	if (!dev->has_tuner)
 		return;

 	tun_setup.mode_mask = T_ANALOG_TV | T_RADIO;
 	tun_setup.type = dev->tuner_type;
 	tun_setup.addr = dev->tuner_addr;
 	tun_setup.tuner_callback = em28xx_tuner_callback;

 	em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);

 	if (dev->tuner_type == TUNER_XC2028) {
 		memset (&ctl, 0, sizeof(ctl));

 		ctl.fname   = XC2028_DEFAULT_FIRMWARE;
 		ctl.max_len = 64;

 		xc2028_cfg.tuner = TUNER_XC2028;
 		xc2028_cfg.priv  = &ctl;

 		em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
 	}

 	/* configure tuner */
 	f.tuner = 0;
 	f.type = V4L2_TUNER_ANALOG_TV;
 	f.frequency = 9076;     /* just a magic number */
 	dev->ctl_freq = f.frequency;
 	em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
 }

 static int em28xx_hint_board(struct em28xx *dev)
 {
 	int i;

 	/* HINT method: EEPROM
 	 *
 	 * This method works only for boards with eeprom.
 	 * Uses a hash of all eeprom bytes. The hash should be
 	 * unique for a vendor/tuner pair.
 	 * There are a high chance that tuners for different
 	 * video standards produce different hashes.
 	 */
 	for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
 		if (dev->hash == em28xx_eeprom_hash[i].hash) {
 			dev->model = em28xx_eeprom_hash[i].model;
 			dev->tuner_type = em28xx_eeprom_hash[i].tuner;

 			em28xx_errdev("Your board has no unique USB ID.\n");
 			em28xx_errdev("A hint were successfully done, "
 				      "based on eeprom hash.\n");
 			em28xx_errdev("This method is not 100%% failproof.\n");
 			em28xx_errdev("If the board were missdetected, "
 				      "please email this log to:\n");
 			em28xx_errdev("\tV4L Mailing List "
 				      " <video4linux-list@redhat.com>\n");
 			em28xx_errdev("Board detected as %s\n",
 				      em28xx_boards[dev->model].name);

 			return 0;
 		}
 	}

 	/* HINT method: I2C attached devices
 	 *
 	 * This method works for all boards.
 	 * Uses a hash of i2c scanned devices.
 	 * Devices with the same i2c attached chips will
 	 * be considered equal.
 	 * This method is less precise than the eeprom one.
 	 */

 	/* user did not request i2c scanning => do it now */
 	if (!dev->i2c_hash)
 		em28xx_do_i2c_scan(dev);

 	for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
 		if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
 			dev->model = em28xx_i2c_hash[i].model;
 			dev->tuner_type = em28xx_i2c_hash[i].tuner;
 			em28xx_errdev("Your board has no unique USB ID.\n");
 			em28xx_errdev("A hint were successfully done, "
 				      "based on i2c devicelist hash.\n");
 			em28xx_errdev("This method is not 100%% failproof.\n");
 			em28xx_errdev("If the board were missdetected, "
 				      "please email this log to:\n");
 			em28xx_errdev("\tV4L Mailing List "
 				      " <video4linux-list@redhat.com>\n");
 			em28xx_errdev("Board detected as %s\n",
 				      em28xx_boards[dev->model].name);

 			return 0;
 		}
 	}

 	em28xx_errdev("Your board has no unique USB ID and thus need a "
 		      "hint to be detected.\n");
 	em28xx_errdev("You may try to use card=<n> insmod option to "
 		      "workaround that.\n");
 	em28xx_errdev("Please send an email with this log to:\n");
 	em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
 	em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
 	em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);

 	em28xx_errdev("Here is a list of valid choices for the card=<n>"
 		      " insmod option:\n");
 	for (i = 0; i < em28xx_bcount; i++) {
 		em28xx_errdev("    card=%d -> %s\n",
 				i, em28xx_boards[i].name);
 	}
 	return -1;
 }


 static void em28xx_set_model(struct em28xx *dev)
 {
 	dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
 	dev->has_tuner = em28xx_boards[dev->model].has_tuner;
 	dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
 	dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
 	dev->decoder = em28xx_boards[dev->model].decoder;
 	dev->video_inputs = em28xx_boards[dev->model].vchannels;

 	if (!em28xx_boards[dev->model].has_tuner)
 		dev->tuner_type = UNSET;
 }

 void em28xx_card_setup(struct em28xx *dev)
 {
 	em28xx_set_model(dev);

 	dev->tuner_type = em28xx_boards[dev->model].tuner_type;

 	/* request some modules */
 	switch (dev->model) {
 	case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
 	{
 		struct tveeprom tv;
 #ifdef CONFIG_MODULES
 		request_module("tveeprom");
 		request_module("ir-kbd-i2c");
 #endif
 		/* Call first TVeeprom */

 		dev->i2c_client.addr = 0xa0 >> 1;
 		tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);

 		dev->tuner_type = tv.tuner_type;
 		if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
 			dev->i2s_speed = 2048000;
 			dev->has_msp34xx = 1;
 		}
 		break;
 	}
 	case EM2820_BOARD_KWORLD_PVRTV2800RF:
 		/* GPIO enables sound on KWORLD PVR TV 2800RF */
 		em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
 		break;
 	case EM2820_BOARD_UNKNOWN:
 	case EM2800_BOARD_UNKNOWN:
 		if (!em28xx_hint_board(dev))
 			em28xx_set_model(dev);
 	}

 	/* Allow override tuner type by a module parameter */
 	if (tuner >= 0)
 		dev->tuner_type = tuner;

 #ifdef CONFIG_MODULES
 	/* request some modules */
 	if (dev->has_msp34xx)
 		request_module("msp3400");
 	if (dev->decoder == EM28XX_SAA7113 || dev->decoder == EM28XX_SAA7114)
 		request_module("saa7115");
 	if (dev->decoder == EM28XX_TVP5150)
 		request_module("tvp5150");
 	if (dev->has_tuner)
 		request_module("tuner");
 #endif

 	em28xx_config_tuner (dev);
 }
	/*
	em28xx-cards.c - driver for Empia EM2800/EM2820/2840 USB video capture devices

	Copyright (C) 2005 Ludovico Cavedon <cavedon@sssup.it>
	Markus Rechberger <mrechberger@gmail.com>
	Mauro Carvalho Chehab <mchehab@infradead.org>
	Sascha Sommer <saschasommer@freenet.de>

	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.
	*/

	#include <linux/init.h>
	#include <linux/module.h>
	#include <linux/delay.h>
	#include <linux/i2c.h>
	#include <linux/usb.h>
	#include <media/tuner.h>
	#include <media/msp3400.h>
	#include <media/saa7115.h>
	#include <media/tvp5150.h>
	#include <media/tveeprom.h>
	#include <media/audiochip.h>
	#include <media/v4l2-common.h>

	#include "em28xx.h"
	#include "tuner-xc2028.h"

	static int tuner = -1;
	module_param(tuner, int, 0444);
	MODULE_PARM_DESC(tuner, "tuner type");

	struct em28xx_hash_table {
	unsigned long hash;
	unsigned int model;
	unsigned int tuner;
	};

	struct em28xx_board em28xx_boards[] = {
	[EM2800_BOARD_UNKNOWN] = {
	.name = "Unknown EM2800 video grabber",
	.is_em2800 = 1,
	.vchannels = 2,
	.norm = VIDEO_MODE_PAL,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_UNKNOWN] = {
	.name = "Unknown EM2750/28xx video grabber",
	.is_em2800 = 0,
	},
	[EM2820_BOARD_KWORLD_PVRTV2800RF] = {
	.name = "Kworld PVR TV 2800 RF",
	.is_em2800 = 0,
	.vchannels = 2,
	.norm = VIDEO_MODE_PAL,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_TERRATEC_CINERGY_250] = {
	.name = "Terratec Cinergy 250 USB",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_PINNACLE_USB_2] = {
	.name = "Pinnacle PCTV USB 2",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_HAUPPAUGE_WINTV_USB_2] = {
	.name = "Hauppauge WinTV USB 2",
	.vchannels = 3,
	.norm = VIDEO_MODE_NTSC,
	.tuner_type = TUNER_PHILIPS_FM1236_MK3,
	.tda9887_conf = TDA9887_PRESENT\|TDA9887_PORT1_ACTIVE\|TDA9887_PORT2_ACTIVE,
	.has_tuner = 1,
	.decoder = EM28XX_TVP5150,
	.has_msp34xx = 1,
	/FIXME: S-Video not tested /
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = TVP5150_COMPOSITE0,
	.amux = MSP_INPUT_DEFAULT,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = TVP5150_SVIDEO,
	.amux = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
	MSP_DSP_IN_SCART, MSP_DSP_IN_SCART),
	}},
	},
	[EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
	.name = "Hauppauge WinTV HVR 900/950",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tda9887_conf = TDA9887_PRESENT,
	.tuner_type = TUNER_XC2028,
	.has_tuner = 1,
	.decoder = EM28XX_TVP5150,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = TVP5150_COMPOSITE0,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = TVP5150_COMPOSITE1,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = TVP5150_SVIDEO,
	.amux = 1,
	}},
	},
	[EM2880_BOARD_TERRATEC_HYBRID_XS] = {
	.name = "Terratec Hybrid XS",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.tuner_type = TUNER_XC2028,
	.decoder = EM28XX_TVP5150,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = TVP5150_COMPOSITE0,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = TVP5150_COMPOSITE1,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = TVP5150_SVIDEO,
	.amux = 1,
	}},
	},
	/* maybe there's a reason behind it why Terratec sells the Hybrid XS as Prodigy XS with a
	* different PID, let's keep it separated for now maybe we'll need it lateron */
	[EM2880_BOARD_TERRATEC_PRODIGY_XS] = {
	.name = "Terratec Prodigy XS",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.tuner_type = TUNER_XC2028,
	.decoder = EM28XX_TVP5150,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = TVP5150_COMPOSITE0,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = TVP5150_COMPOSITE1,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = TVP5150_SVIDEO,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_MSI_VOX_USB_2] = {
	.name = "MSI VOX USB 2.0",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT\|TDA9887_PORT1_ACTIVE\|TDA9887_PORT2_ACTIVE,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7114,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE4,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2800_BOARD_TERRATEC_CINERGY_200] = {
	.name = "Terratec Cinergy 200 USB",
	.is_em2800 = 1,
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
	.name = "Leadtek Winfast USB II",
	.is_em2800 = 1,
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2800_BOARD_KWORLD_USB2800] = {
	.name = "Kworld USB2800",
	.is_em2800 = 1,
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_PHILIPS_ATSC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_PINNACLE_DVC_90] = {
	.name = "Pinnacle Dazzle DVC 90",
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.has_tuner = 0,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2800_BOARD_VGEAR_POCKETTV] = {
	.name = "V-Gear PocketTV",
	.is_em2800 = 1,
	.vchannels = 3,
	.norm = VIDEO_MODE_PAL,
	.tuner_type = TUNER_LG_PAL_NEW_TAPC,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 0,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	[EM2820_BOARD_PROLINK_PLAYTV_USB2] = {
	.name = "Pixelview Prolink PlayTV USB 2.0",
	.vchannels = 3,
	.tda9887_conf = TDA9887_PRESENT,
	.has_tuner = 1,
	.decoder = EM28XX_SAA7113,
	.input = {{
	.type = EM28XX_VMUX_TELEVISION,
	.vmux = SAA7115_COMPOSITE2,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_COMPOSITE1,
	.vmux = SAA7115_COMPOSITE0,
	.amux = 1,
	},{
	.type = EM28XX_VMUX_SVIDEO,
	.vmux = SAA7115_SVIDEO3,
	.amux = 1,
	}},
	},
	};
	const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards);

	/* table of devices that work with this driver */
	struct usb_device_id em28xx_id_table [] = {
	{ USB_DEVICE(0xeb1a, 0x2750), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2800), .driver_info = EM2800_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2820), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2821), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2860), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2861), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2870), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2881), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0xeb1a, 0x2883), .driver_info = EM2820_BOARD_UNKNOWN },
	{ USB_DEVICE(0x0ccd, 0x0036), .driver_info = EM2820_BOARD_TERRATEC_CINERGY_250 },
	{ USB_DEVICE(0x2304, 0x0208), .driver_info = EM2820_BOARD_PINNACLE_USB_2 },
	{ USB_DEVICE(0x2040, 0x4200), .driver_info = EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 },
	{ USB_DEVICE(0x2304, 0x0207), .driver_info = EM2820_BOARD_PINNACLE_DVC_90 },
	{ USB_DEVICE(0x2040, 0x6500), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
	{ USB_DEVICE(0x2040, 0x6513), .driver_info = EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 },
	{ USB_DEVICE(0x0ccd, 0x0042), .driver_info = EM2880_BOARD_TERRATEC_HYBRID_XS },
	{ USB_DEVICE(0x0ccd, 0x0047), .driver_info = EM2880_BOARD_TERRATEC_PRODIGY_XS },
	{ },
	};
	MODULE_DEVICE_TABLE (usb, em28xx_id_table);

	/* EEPROM hash table for devices with generic USB IDs */
	static struct em28xx_hash_table em28xx_eeprom_hash [] = {
	/* P/N: SA 60002070465 Tuner: TVF7533-MF */
	{ 0x6ce05a8f, EM2820_BOARD_PROLINK_PLAYTV_USB2, TUNER_YMEC_TVF_5533MF },
	};

	/* I2C devicelist hash table for devices with generic USB IDs */
	static struct em28xx_hash_table em28xx_i2c_hash[] = {
	{ 0xb06a32c3, EM2800_BOARD_TERRATEC_CINERGY_200, TUNER_LG_PAL_NEW_TAPC },
	{ 0xf51200e3, EM2800_BOARD_VGEAR_POCKETTV, TUNER_LG_PAL_NEW_TAPC },
	};

	/* Since em28xx_pre_card_setup() requires a proper dev->model,
	* this won't work for boards with generic PCI IDs
	*/
	void em28xx_pre_card_setup(struct em28xx *dev)
	{
	/* request some modules */
	switch(dev->model){
	case EM2880_BOARD_TERRATEC_PRODIGY_XS:
	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
	case EM2880_BOARD_TERRATEC_HYBRID_XS:
	/* reset through GPIO? */
	em28xx_write_regs_req(dev, 0x00, 0x08, "\x7d", 1);
	break;
	}
	}

	static int em28xx_tuner_callback(void *ptr, int command, int arg)
	{
	int rc = 0;
	struct em28xx *dev = ptr;

	if (dev->tuner_type != TUNER_XC2028)
	return 0;

	switch (command) {
	case XC2028_TUNER_RESET:
	/* FIXME: This is device-dependent */
	dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1);
	dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1);

	msleep(140);
	break;
	}
	return rc;
	}

	static void em28xx_config_tuner (struct em28xx *dev)
	{
	struct v4l2_priv_tun_config xc2028_cfg;
	struct xc2028_ctrl ctl;
	struct tuner_setup tun_setup;
	struct v4l2_frequency f;

	if (!dev->has_tuner)
	return;

	tun_setup.mode_mask = T_ANALOG_TV \| T_RADIO;
	tun_setup.type = dev->tuner_type;
	tun_setup.addr = dev->tuner_addr;
	tun_setup.tuner_callback = em28xx_tuner_callback;

	em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup);

	if (dev->tuner_type == TUNER_XC2028) {
	memset (&ctl, 0, sizeof(ctl));

	ctl.fname = XC2028_DEFAULT_FIRMWARE;
	ctl.max_len = 64;

	xc2028_cfg.tuner = TUNER_XC2028;
	xc2028_cfg.priv = &ctl;

	em28xx_i2c_call_clients(dev, TUNER_SET_CONFIG, &xc2028_cfg);
	}

	/* configure tuner */
	f.tuner = 0;
	f.type = V4L2_TUNER_ANALOG_TV;
	f.frequency = 9076; /* just a magic number */
	dev->ctl_freq = f.frequency;
	em28xx_i2c_call_clients(dev, VIDIOC_S_FREQUENCY, &f);
	}

	static int em28xx_hint_board(struct em28xx *dev)
	{
	int i;

	/* HINT method: EEPROM
	*
	* This method works only for boards with eeprom.
	* Uses a hash of all eeprom bytes. The hash should be
	* unique for a vendor/tuner pair.
	* There are a high chance that tuners for different
	* video standards produce different hashes.
	*/
	for (i = 0; i < ARRAY_SIZE(em28xx_eeprom_hash); i++) {
	if (dev->hash == em28xx_eeprom_hash[i].hash) {
	dev->model = em28xx_eeprom_hash[i].model;
	dev->tuner_type = em28xx_eeprom_hash[i].tuner;

	em28xx_errdev("Your board has no unique USB ID.\n");
	em28xx_errdev("A hint were successfully done, "
	"based on eeprom hash.\n");
	em28xx_errdev("This method is not 100%% failproof.\n");
	em28xx_errdev("If the board were missdetected, "
	"please email this log to:\n");
	em28xx_errdev("\tV4L Mailing List "
	" <video4linux-list@redhat.com>\n");
	em28xx_errdev("Board detected as %s\n",
	em28xx_boards[dev->model].name);

	return 0;
	}
	}

	/* HINT method: I2C attached devices
	*
	* This method works for all boards.
	* Uses a hash of i2c scanned devices.
	* Devices with the same i2c attached chips will
	* be considered equal.
	* This method is less precise than the eeprom one.
	*/

	/* user did not request i2c scanning => do it now */
	if (!dev->i2c_hash)
	em28xx_do_i2c_scan(dev);

	for (i = 0; i < ARRAY_SIZE(em28xx_i2c_hash); i++) {
	if (dev->i2c_hash == em28xx_i2c_hash[i].hash) {
	dev->model = em28xx_i2c_hash[i].model;
	dev->tuner_type = em28xx_i2c_hash[i].tuner;
	em28xx_errdev("Your board has no unique USB ID.\n");
	em28xx_errdev("A hint were successfully done, "
	"based on i2c devicelist hash.\n");
	em28xx_errdev("This method is not 100%% failproof.\n");
	em28xx_errdev("If the board were missdetected, "
	"please email this log to:\n");
	em28xx_errdev("\tV4L Mailing List "
	" <video4linux-list@redhat.com>\n");
	em28xx_errdev("Board detected as %s\n",
	em28xx_boards[dev->model].name);

	return 0;
	}
	}

	em28xx_errdev("Your board has no unique USB ID and thus need a "
	"hint to be detected.\n");
	em28xx_errdev("You may try to use card=<n> insmod option to "
	"workaround that.\n");
	em28xx_errdev("Please send an email with this log to:\n");
	em28xx_errdev("\tV4L Mailing List <video4linux-list@redhat.com>\n");
	em28xx_errdev("Board eeprom hash is 0x%08lx\n", dev->hash);
	em28xx_errdev("Board i2c devicelist hash is 0x%08lx\n", dev->i2c_hash);

	em28xx_errdev("Here is a list of valid choices for the card=<n>"
	" insmod option:\n");
	for (i = 0; i < em28xx_bcount; i++) {
	em28xx_errdev(" card=%d -> %s\n",
	i, em28xx_boards[i].name);
	}
	return -1;
	}


	static void em28xx_set_model(struct em28xx *dev)
	{
	dev->is_em2800 = em28xx_boards[dev->model].is_em2800;
	dev->has_tuner = em28xx_boards[dev->model].has_tuner;
	dev->has_msp34xx = em28xx_boards[dev->model].has_msp34xx;
	dev->tda9887_conf = em28xx_boards[dev->model].tda9887_conf;
	dev->decoder = em28xx_boards[dev->model].decoder;
	dev->video_inputs = em28xx_boards[dev->model].vchannels;

	if (!em28xx_boards[dev->model].has_tuner)
	dev->tuner_type = UNSET;
	}

	void em28xx_card_setup(struct em28xx *dev)
	{
	em28xx_set_model(dev);

	dev->tuner_type = em28xx_boards[dev->model].tuner_type;

	/* request some modules */
	switch (dev->model) {
	case EM2820_BOARD_HAUPPAUGE_WINTV_USB_2:
	{
	struct tveeprom tv;
	#ifdef CONFIG_MODULES
	request_module("tveeprom");
	request_module("ir-kbd-i2c");
	#endif
	/* Call first TVeeprom */

	dev->i2c_client.addr = 0xa0 >> 1;
	tveeprom_hauppauge_analog(&dev->i2c_client, &tv, dev->eedata);

	dev->tuner_type = tv.tuner_type;
	if (tv.audio_processor == AUDIO_CHIP_MSP34XX) {
	dev->i2s_speed = 2048000;
	dev->has_msp34xx = 1;
	}
	break;
	}
	case EM2820_BOARD_KWORLD_PVRTV2800RF:
	/* GPIO enables sound on KWORLD PVR TV 2800RF */
	em28xx_write_regs_req(dev, 0x00, 0x08, "\xf9", 1);
	break;
	case EM2820_BOARD_UNKNOWN:
	case EM2800_BOARD_UNKNOWN:
	if (!em28xx_hint_board(dev))
	em28xx_set_model(dev);
	}

	/* Allow override tuner type by a module parameter */
	if (tuner >= 0)
	dev->tuner_type = tuner;

	#ifdef CONFIG_MODULES
	/* request some modules */
	if (dev->has_msp34xx)
	request_module("msp3400");
	if (dev->decoder == EM28XX_SAA7113 \|\| dev->decoder == EM28XX_SAA7114)
	request_module("saa7115");
	if (dev->decoder == EM28XX_TVP5150)
	request_module("tvp5150");
	if (dev->has_tuner)
	request_module("tuner");
	#endif

	em28xx_config_tuner (dev);
	}