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path: root/drivers/media/video/em28xx/em28xx-cards.c
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/*
   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,
		}},
	},
};
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);

static struct em28xx_hash_table em28xx_hash [] = {
	{ 0, 0, 0 },
};

/* 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;

	for (i = 0; i < ARRAY_SIZE(em28xx_hash); i++) {
		if (dev->hash == em28xx_hash[i].hash) {
			dev->model = em28xx_hash[i].model;
			dev->tuner_type = em28xx_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;
		}
	}
	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("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;
}

void em28xx_card_setup(struct em28xx *dev)
{
	/* 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:
		em28xx_hint_board(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 (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);
}