[media] rename most media/video usb drivers to media/usb

Rename all USB drivers with their own directory under
drivers/media/video into drivers/media/usb and update the
building system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1370 insertions, 0 deletions

diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
new file mode 100644
index 00000000000..02d4d36735d
--- /dev/null
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -0,0 +1,1370 @@
+/*
+   cx231xx-cards.c - driver for Conexant Cx23100/101/102
+				USB video capture devices
+
+   Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
+				Based on em28xx driver
+
+   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/slab.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/usb.h>
+#include <media/tuner.h>
+#include <media/tveeprom.h>
+#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
+
+#include <media/cx25840.h>
+#include "dvb-usb-ids.h"
+#include "xc5000.h"
+#include "tda18271.h"
+
+#include "cx231xx.h"
+
+static int tuner = -1;
+module_param(tuner, int, 0444);
+MODULE_PARM_DESC(tuner, "tuner type");
+
+static int transfer_mode = 1;
+module_param(transfer_mode, int, 0444);
+MODULE_PARM_DESC(transfer_mode, "transfer mode (1-ISO or 0-BULK)");
+
+static unsigned int disable_ir;
+module_param(disable_ir, int, 0444);
+MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
+
+/* Bitmask marking allocated devices from 0 to CX231XX_MAXBOARDS */
+static unsigned long cx231xx_devused;
+
+/*
+ *  Reset sequences for analog/digital modes
+ */
+
+static struct cx231xx_reg_seq RDE250_XCV_TUNER[] = {
+	{0x03, 0x01, 10},
+	{0x03, 0x00, 30},
+	{0x03, 0x01, 10},
+	{-1, -1, -1},
+};
+
+/*
+ *  Board definitions
+ */
+struct cx231xx_board cx231xx_boards[] = {
+	[CX231XX_BOARD_UNKNOWN] = {
+		.name = "Unknown CX231xx video grabber",
+		.tuner_type = TUNER_ABSENT,
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_3_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_CARRAERA] = {
+		.name = "Conexant Hybrid TV - CARRAERA",
+		.tuner_type = TUNER_XC5000,
+		.tuner_addr = 0x61,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x02,
+		.norm = V4L2_STD_PAL,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_3_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_SHELBY] = {
+		.name = "Conexant Hybrid TV - SHELBY",
+		.tuner_type = TUNER_XC5000,
+		.tuner_addr = 0x61,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x32,
+		.norm = V4L2_STD_NTSC,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_3_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_RDE_253S] = {
+		.name = "Conexant Hybrid TV - RDE253S",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x1c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x02,
+		.norm = V4L2_STD_PAL,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_3_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+
+	[CX231XX_BOARD_CNXT_RDU_253S] = {
+		.name = "Conexant Hybrid TV - RDU253S",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x1c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x02,
+		.norm = V4L2_STD_PAL,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_3_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_VIDEO_GRABBER] = {
+		.name = "Conexant VIDEO GRABBER",
+		.tuner_type = TUNER_ABSENT,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x1c,
+		.gpio_pin_status_mask = 0x4001000,
+		.norm = V4L2_STD_PAL,
+		.no_alt_vanc = 1,
+		.external_av = 1,
+		.has_417 = 1,
+
+		.input = {{
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_RDE_250] = {
+		.name = "Conexant Hybrid TV - rde 250",
+		.tuner_type = TUNER_XC5000,
+		.tuner_addr = 0x61,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x02,
+		.norm = V4L2_STD_PAL,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_CNXT_RDU_250] = {
+		.name = "Conexant Hybrid TV - RDU 250",
+		.tuner_type = TUNER_XC5000,
+		.tuner_addr = 0x61,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x32,
+		.norm = V4L2_STD_NTSC,
+
+		.input = {{
+				.type = CX231XX_VMUX_TELEVISION,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_VIDEO,
+				.gpio = NULL,
+			}
+		},
+	},
+	[CX231XX_BOARD_HAUPPAUGE_EXETER] = {
+		.name = "Hauppauge EXETER",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.demod_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x0e,
+		.norm = V4L2_STD_NTSC,
+
+		.input = {{
+			.type = CX231XX_VMUX_TELEVISION,
+			.vmux = CX231XX_VIN_3_1,
+			.amux = CX231XX_AMUX_VIDEO,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_HAUPPAUGE_USBLIVE2] = {
+		.name = "Hauppauge USB Live 2",
+		.tuner_type = TUNER_ABSENT,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.norm = V4L2_STD_NTSC,
+		.no_alt_vanc = 1,
+		.external_av = 1,
+		.dont_use_port_3 = 1,
+		.input = {{
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_KWORLD_UB430_USB_HYBRID] = {
+		.name = "Kworld UB430 USB Hybrid",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x11,	/* According with PV cxPolaris.inf file */
+		.tuner_sif_gpio = -1,
+		.tuner_scl_gpio = -1,
+		.tuner_sda_gpio = -1,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 2,
+		.demod_i2c_master = 1,
+		.ir_i2c_master = 2,
+		.has_dvb = 1,
+		.demod_addr = 0x10,
+		.norm = V4L2_STD_PAL_M,
+		.input = {{
+			.type = CX231XX_VMUX_TELEVISION,
+			.vmux = CX231XX_VIN_3_1,
+			.amux = CX231XX_AMUX_VIDEO,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_PV_PLAYTV_USB_HYBRID] = {
+		.name = "Pixelview PlayTV USB Hybrid",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x00,	/* According with PV cxPolaris.inf file */
+		.tuner_sif_gpio = -1,
+		.tuner_scl_gpio = -1,
+		.tuner_sda_gpio = -1,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 2,
+		.demod_i2c_master = 1,
+		.ir_i2c_master = 2,
+		.rc_map_name = RC_MAP_PIXELVIEW_002T,
+		.has_dvb = 1,
+		.demod_addr = 0x10,
+		.norm = V4L2_STD_PAL_M,
+		.input = {{
+			.type = CX231XX_VMUX_TELEVISION,
+			.vmux = CX231XX_VIN_3_1,
+			.amux = CX231XX_AMUX_VIDEO,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_PV_XCAPTURE_USB] = {
+		.name = "Pixelview Xcapture USB",
+		.tuner_type = TUNER_ABSENT,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.norm = V4L2_STD_NTSC,
+		.no_alt_vanc = 1,
+		.external_av = 1,
+		.dont_use_port_3 = 1,
+
+		.input = {{
+				.type = CX231XX_VMUX_COMPOSITE1,
+				.vmux = CX231XX_VIN_2_1,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}, {
+				.type = CX231XX_VMUX_SVIDEO,
+				.vmux = CX231XX_VIN_1_1 |
+					(CX231XX_VIN_1_2 << 8) |
+					CX25840_SVIDEO_ON,
+				.amux = CX231XX_AMUX_LINE_IN,
+				.gpio = NULL,
+			}
+		},
+	},
+
+	[CX231XX_BOARD_ICONBIT_U100] = {
+		.name = "Iconbit Analog Stick U100 FM",
+		.tuner_type = TUNER_ABSENT,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.demod_xfer_mode = 0,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x1C,
+		.gpio_pin_status_mask = 0x4001000,
+
+		.input = {{
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL] = {
+		.name = "Hauppauge WinTV USB2 FM (PAL)",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.norm = V4L2_STD_PAL,
+
+		.input = {{
+			.type = CX231XX_VMUX_TELEVISION,
+			.vmux = CX231XX_VIN_3_1,
+			.amux = CX231XX_AMUX_VIDEO,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+	[CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC] = {
+		.name = "Hauppauge WinTV USB2 FM (NTSC)",
+		.tuner_type = TUNER_NXP_TDA18271,
+		.tuner_addr = 0x60,
+		.tuner_gpio = RDE250_XCV_TUNER,
+		.tuner_sif_gpio = 0x05,
+		.tuner_scl_gpio = 0x1a,
+		.tuner_sda_gpio = 0x1b,
+		.decoder = CX231XX_AVDECODER,
+		.output_mode = OUT_MODE_VIP11,
+		.ctl_pin_status_mask = 0xFFFFFFC4,
+		.agc_analog_digital_select_gpio = 0x0c,
+		.gpio_pin_status_mask = 0x4001000,
+		.tuner_i2c_master = 1,
+		.norm = V4L2_STD_NTSC,
+
+		.input = {{
+			.type = CX231XX_VMUX_TELEVISION,
+			.vmux = CX231XX_VIN_3_1,
+			.amux = CX231XX_AMUX_VIDEO,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_COMPOSITE1,
+			.vmux = CX231XX_VIN_2_1,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		}, {
+			.type = CX231XX_VMUX_SVIDEO,
+			.vmux = CX231XX_VIN_1_1 |
+				(CX231XX_VIN_1_2 << 8) |
+				CX25840_SVIDEO_ON,
+			.amux = CX231XX_AMUX_LINE_IN,
+			.gpio = NULL,
+		} },
+	},
+};
+const unsigned int cx231xx_bcount = ARRAY_SIZE(cx231xx_boards);
+
+/* table of devices that work with this driver */
+struct usb_device_id cx231xx_id_table[] = {
+	{USB_DEVICE(0x0572, 0x5A3C),
+	 .driver_info = CX231XX_BOARD_UNKNOWN},
+	{USB_DEVICE(0x0572, 0x58A2),
+	 .driver_info = CX231XX_BOARD_CNXT_CARRAERA},
+	{USB_DEVICE(0x0572, 0x58A1),
+	 .driver_info = CX231XX_BOARD_CNXT_SHELBY},
+	{USB_DEVICE(0x0572, 0x58A4),
+	 .driver_info = CX231XX_BOARD_CNXT_RDE_253S},
+	{USB_DEVICE(0x0572, 0x58A5),
+	 .driver_info = CX231XX_BOARD_CNXT_RDU_253S},
+	{USB_DEVICE(0x0572, 0x58A6),
+	 .driver_info = CX231XX_BOARD_CNXT_VIDEO_GRABBER},
+	{USB_DEVICE(0x0572, 0x589E),
+	 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
+	{USB_DEVICE(0x0572, 0x58A0),
+	 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
+	{USB_DEVICE(0x2040, 0xb110),
+	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL},
+	{USB_DEVICE(0x2040, 0xb111),
+	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC},
+	{USB_DEVICE(0x2040, 0xb120),
+	 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
+	{USB_DEVICE(0x2040, 0xb140),
+	 .driver_info = CX231XX_BOARD_HAUPPAUGE_EXETER},
+	{USB_DEVICE(0x2040, 0xc200),
+	 .driver_info = CX231XX_BOARD_HAUPPAUGE_USBLIVE2},
+	{USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000, 0x4001),
+	 .driver_info = CX231XX_BOARD_PV_PLAYTV_USB_HYBRID},
+	{USB_DEVICE(USB_VID_PIXELVIEW, 0x5014),
+	 .driver_info = CX231XX_BOARD_PV_XCAPTURE_USB},
+	{USB_DEVICE(0x1b80, 0xe424),
+	 .driver_info = CX231XX_BOARD_KWORLD_UB430_USB_HYBRID},
+	{USB_DEVICE(0x1f4d, 0x0237),
+	 .driver_info = CX231XX_BOARD_ICONBIT_U100},
+	{},
+};
+
+MODULE_DEVICE_TABLE(usb, cx231xx_id_table);
+
+/* cx231xx_tuner_callback
+ * will be used to reset XC5000 tuner using GPIO pin
+ */
+
+int cx231xx_tuner_callback(void *ptr, int component, int command, int arg)
+{
+	int rc = 0;
+	struct cx231xx *dev = ptr;
+
+	if (dev->tuner_type == TUNER_XC5000) {
+		if (command == XC5000_TUNER_RESET) {
+			cx231xx_info
+				("Tuner CB: RESET: cmd %d : tuner type %d \n",
+				 command, dev->tuner_type);
+			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
+					       1);
+			msleep(10);
+			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
+					       0);
+			msleep(330);
+			cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit,
+					       1);
+			msleep(10);
+		}
+	} else if (dev->tuner_type == TUNER_NXP_TDA18271) {
+		switch (command) {
+		case TDA18271_CALLBACK_CMD_AGC_ENABLE:
+			if (dev->model == CX231XX_BOARD_PV_PLAYTV_USB_HYBRID)
+				rc = cx231xx_set_agc_analog_digital_mux_select(dev, arg);
+			break;
+		default:
+			rc = -EINVAL;
+			break;
+		}
+	}
+	return rc;
+}
+EXPORT_SYMBOL_GPL(cx231xx_tuner_callback);
+
+void cx231xx_reset_out(struct cx231xx *dev)
+{
+	cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
+	msleep(200);
+	cx231xx_set_gpio_value(dev, CX23417_RESET, 0);
+	msleep(200);
+	cx231xx_set_gpio_value(dev, CX23417_RESET, 1);
+}
+void cx231xx_enable_OSC(struct cx231xx *dev)
+{
+	cx231xx_set_gpio_value(dev, CX23417_OSC_EN, 1);
+}
+void cx231xx_sleep_s5h1432(struct cx231xx *dev)
+{
+	cx231xx_set_gpio_value(dev, SLEEP_S5H1432, 0);
+}
+
+static inline void cx231xx_set_model(struct cx231xx *dev)
+{
+	memcpy(&dev->board, &cx231xx_boards[dev->model], sizeof(dev->board));
+}
+
+/* Since cx231xx_pre_card_setup() requires a proper dev->model,
+ * this won't work for boards with generic PCI IDs
+ */
+void cx231xx_pre_card_setup(struct cx231xx *dev)
+{
+
+	cx231xx_set_model(dev);
+
+	cx231xx_info("Identified as %s (card=%d)\n",
+		     dev->board.name, dev->model);
+
+	/* set the direction for GPIO pins */
+	if (dev->board.tuner_gpio) {
+		cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
+		cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
+	}
+	if (dev->board.tuner_sif_gpio >= 0)
+		cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
+
+	/* request some modules if any required */
+
+	/* set the mode to Analog mode initially */
+	cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
+
+	/* Unlock device */
+	/* cx231xx_set_mode(dev, CX231XX_SUSPEND); */
+
+}
+
+static void cx231xx_config_tuner(struct cx231xx *dev)
+{
+	struct tuner_setup tun_setup;
+	struct v4l2_frequency f;
+
+	if (dev->tuner_type == TUNER_ABSENT)
+		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 = cx231xx_tuner_callback;
+
+	tuner_call(dev, tuner, s_type_addr, &tun_setup);
+
+#if 0
+	if (tun_setup.type == TUNER_XC5000) {
+		static struct xc2028_ctrl ctrl = {
+			.fname = XC5000_DEFAULT_FIRMWARE,
+			.max_len = 64,
+			.demod = 0;
+		};
+		struct v4l2_priv_tun_config cfg = {
+			.tuner = dev->tuner_type,
+			.priv = &ctrl,
+		};
+		tuner_call(dev, tuner, s_config, &cfg);
+	}
+#endif
+	/* configure tuner */
+	f.tuner = 0;
+	f.type = V4L2_TUNER_ANALOG_TV;
+	f.frequency = 9076;	/* just a magic number */
+	dev->ctl_freq = f.frequency;
+	call_all(dev, tuner, s_frequency, &f);
+
+}
+
+void cx231xx_card_setup(struct cx231xx *dev)
+{
+
+	cx231xx_set_model(dev);
+
+	dev->tuner_type = cx231xx_boards[dev->model].tuner_type;
+	if (cx231xx_boards[dev->model].tuner_addr)
+		dev->tuner_addr = cx231xx_boards[dev->model].tuner_addr;
+
+	/* request some modules */
+	if (dev->board.decoder == CX231XX_AVDECODER) {
+		dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+					&dev->i2c_bus[0].i2c_adap,
+					"cx25840", 0x88 >> 1, NULL);
+		if (dev->sd_cx25840 == NULL)
+			cx231xx_info("cx25840 subdev registration failure\n");
+		cx25840_call(dev, core, load_fw);
+
+	}
+
+	/* Initialize the tuner */
+	if (dev->board.tuner_type != TUNER_ABSENT) {
+		dev->sd_tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev,
+						    &dev->i2c_bus[dev->board.tuner_i2c_master].i2c_adap,
+						    "tuner",
+						    dev->tuner_addr, NULL);
+		if (dev->sd_tuner == NULL)
+			cx231xx_info("tuner subdev registration failure\n");
+		else
+			cx231xx_config_tuner(dev);
+	}
+}
+
+/*
+ * cx231xx_config()
+ * inits registers with sane defaults
+ */
+int cx231xx_config(struct cx231xx *dev)
+{
+	/* TBD need to add cx231xx specific code */
+	dev->mute = 1;		/* maybe not the right place... */
+	dev->volume = 0x1f;
+
+	return 0;
+}
+
+/*
+ * cx231xx_config_i2c()
+ * configure i2c attached devices
+ */
+void cx231xx_config_i2c(struct cx231xx *dev)
+{
+	/* u32 input = INPUT(dev->video_input)->vmux; */
+
+	call_all(dev, video, s_stream, 1);
+}
+
+/*
+ * cx231xx_realease_resources()
+ * unregisters the v4l2,i2c and usb devices
+ * called when the device gets disconected or at module unload
+*/
+void cx231xx_release_resources(struct cx231xx *dev)
+{
+	cx231xx_release_analog_resources(dev);
+
+	cx231xx_remove_from_devlist(dev);
+
+	cx231xx_ir_exit(dev);
+
+	/* Release I2C buses */
+	cx231xx_dev_uninit(dev);
+
+	/* delete v4l2 device */
+	v4l2_device_unregister(&dev->v4l2_dev);
+
+	usb_put_dev(dev->udev);
+
+	/* Mark device as unused */
+	clear_bit(dev->devno, &cx231xx_devused);
+
+	kfree(dev->video_mode.alt_max_pkt_size);
+	kfree(dev->vbi_mode.alt_max_pkt_size);
+	kfree(dev->sliced_cc_mode.alt_max_pkt_size);
+	kfree(dev->ts1_mode.alt_max_pkt_size);
+	kfree(dev);
+}
+
+/*
+ * cx231xx_init_dev()
+ * allocates and inits the device structs, registers i2c bus and v4l device
+ */
+static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev,
+			    int minor)
+{
+	int retval = -ENOMEM;
+	int errCode;
+	unsigned int maxh, maxw;
+
+	dev->udev = udev;
+	mutex_init(&dev->lock);
+	mutex_init(&dev->ctrl_urb_lock);
+	mutex_init(&dev->gpio_i2c_lock);
+	mutex_init(&dev->i2c_lock);
+
+	spin_lock_init(&dev->video_mode.slock);
+	spin_lock_init(&dev->vbi_mode.slock);
+	spin_lock_init(&dev->sliced_cc_mode.slock);
+
+	init_waitqueue_head(&dev->open);
+	init_waitqueue_head(&dev->wait_frame);
+	init_waitqueue_head(&dev->wait_stream);
+
+	dev->cx231xx_read_ctrl_reg = cx231xx_read_ctrl_reg;
+	dev->cx231xx_write_ctrl_reg = cx231xx_write_ctrl_reg;
+	dev->cx231xx_send_usb_command = cx231xx_send_usb_command;
+	dev->cx231xx_gpio_i2c_read = cx231xx_gpio_i2c_read;
+	dev->cx231xx_gpio_i2c_write = cx231xx_gpio_i2c_write;
+
+	/* Query cx231xx to find what pcb config it is related to */
+	initialize_cx231xx(dev);
+
+	/*To workaround error number=-71 on EP0 for VideoGrabber,
+		 need set alt here.*/
+	if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER ||
+	    dev->model == CX231XX_BOARD_HAUPPAUGE_USBLIVE2) {
+		cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
+		cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
+	}
+	/* Cx231xx pre card setup */
+	cx231xx_pre_card_setup(dev);
+
+	errCode = cx231xx_config(dev);
+	if (errCode) {
+		cx231xx_errdev("error configuring device\n");
+		return -ENOMEM;
+	}
+
+	/* set default norm */
+	dev->norm = dev->board.norm;
+
+	/* register i2c bus */
+	errCode = cx231xx_dev_init(dev);
+	if (errCode < 0) {
+		cx231xx_dev_uninit(dev);
+		cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n",
+			       __func__, errCode);
+		return errCode;
+	}
+
+	/* Do board specific init */
+	cx231xx_card_setup(dev);
+
+	/* configure the device */
+	cx231xx_config_i2c(dev);
+
+	maxw = norm_maxw(dev);
+	maxh = norm_maxh(dev);
+
+	/* set default image size */
+	dev->width = maxw;
+	dev->height = maxh;
+	dev->interlaced = 0;
+	dev->video_input = 0;
+
+	errCode = cx231xx_config(dev);
+	if (errCode < 0) {
+		cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n",
+			       __func__, errCode);
+		return errCode;
+	}
+
+	/* init video dma queues */
+	INIT_LIST_HEAD(&dev->video_mode.vidq.active);
+	INIT_LIST_HEAD(&dev->video_mode.vidq.queued);
+
+	/* init vbi dma queues */
+	INIT_LIST_HEAD(&dev->vbi_mode.vidq.active);
+	INIT_LIST_HEAD(&dev->vbi_mode.vidq.queued);
+
+	/* Reset other chips required if they are tied up with GPIO pins */
+	cx231xx_add_into_devlist(dev);
+
+	if (dev->board.has_417) {
+		printk(KERN_INFO "attach 417 %d\n", dev->model);
+		if (cx231xx_417_register(dev) < 0) {
+			printk(KERN_ERR
+				"%s() Failed to register 417 on VID_B\n",
+			       __func__);
+		}
+	}
+
+	retval = cx231xx_register_analog_devices(dev);
+	if (retval < 0) {
+		cx231xx_release_resources(dev);
+		return retval;
+	}
+
+	cx231xx_ir_init(dev);
+
+	cx231xx_init_extension(dev);
+
+	return 0;
+}
+
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+	struct cx231xx *dev = container_of(work,
+					   struct cx231xx, request_module_wk);
+
+	if (dev->has_alsa_audio)
+		request_module("cx231xx-alsa");
+
+	if (dev->board.has_dvb)
+		request_module("cx231xx-dvb");
+
+}
+
+static void request_modules(struct cx231xx *dev)
+{
+	INIT_WORK(&dev->request_module_wk, request_module_async);
+	schedule_work(&dev->request_module_wk);
+}
+
+static void flush_request_modules(struct cx231xx *dev)
+{
+	flush_work_sync(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#define flush_request_modules(dev)
+#endif /* CONFIG_MODULES */
+
+/*
+ * cx231xx_usb_probe()
+ * checks for supported devices
+ */
+static int cx231xx_usb_probe(struct usb_interface *interface,
+			     const struct usb_device_id *id)
+{
+	struct usb_device *udev;
+	struct usb_interface *uif;
+	struct cx231xx *dev = NULL;
+	int retval = -ENODEV;
+	int nr = 0, ifnum;
+	int i, isoc_pipe = 0;
+	char *speed;
+	struct usb_interface_assoc_descriptor *assoc_desc;
+
+	udev = usb_get_dev(interface_to_usbdev(interface));
+	ifnum = interface->altsetting[0].desc.bInterfaceNumber;
+
+	/*
+	 * Interface number 0 - IR interface (handled by mceusb driver)
+	 * Interface number 1 - AV interface (handled by this driver)
+	 */
+	if (ifnum != 1)
+		return -ENODEV;
+
+	/* Check to see next free device and mark as used */
+	do {
+		nr = find_first_zero_bit(&cx231xx_devused, CX231XX_MAXBOARDS);
+		if (nr >= CX231XX_MAXBOARDS) {
+			/* No free device slots */
+			cx231xx_err(DRIVER_NAME ": Supports only %i devices.\n",
+					CX231XX_MAXBOARDS);
+			return -ENOMEM;
+		}
+	} while (test_and_set_bit(nr, &cx231xx_devused));
+
+	/* allocate memory for our device state and initialize it */
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (dev == NULL) {
+		cx231xx_err(DRIVER_NAME ": out of memory!\n");
+		clear_bit(nr, &cx231xx_devused);
+		return -ENOMEM;
+	}
+
+	snprintf(dev->name, 29, "cx231xx #%d", nr);
+	dev->devno = nr;
+	dev->model = id->driver_info;
+	dev->video_mode.alt = -1;
+
+	dev->interface_count++;
+	/* reset gpio dir and value */
+	dev->gpio_dir = 0;
+	dev->gpio_val = 0;
+	dev->xc_fw_load_done = 0;
+	dev->has_alsa_audio = 1;
+	dev->power_mode = -1;
+	atomic_set(&dev->devlist_count, 0);
+
+	/* 0 - vbi ; 1 -sliced cc mode */
+	dev->vbi_or_sliced_cc_mode = 0;
+
+	/* get maximum no.of IAD interfaces */
+	assoc_desc = udev->actconfig->intf_assoc[0];
+	dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
+
+	/* init CIR module TBD */
+
+	/*mode_tv: digital=1 or analog=0*/
+	dev->mode_tv = 0;
+
+	dev->USE_ISO = transfer_mode;
+
+	switch (udev->speed) {
+	case USB_SPEED_LOW:
+		speed = "1.5";
+		break;
+	case USB_SPEED_UNKNOWN:
+	case USB_SPEED_FULL:
+		speed = "12";
+		break;
+	case USB_SPEED_HIGH:
+		speed = "480";
+		break;
+	default:
+		speed = "unknown";
+	}
+
+	cx231xx_info("New device %s %s @ %s Mbps "
+	     "(%04x:%04x) with %d interfaces\n",
+	     udev->manufacturer ? udev->manufacturer : "",
+	     udev->product ? udev->product : "",
+	     speed,
+	     le16_to_cpu(udev->descriptor.idVendor),
+	     le16_to_cpu(udev->descriptor.idProduct),
+	     dev->max_iad_interface_count);
+
+	/* increment interface count */
+	dev->interface_count++;
+
+	/* get device number */
+	nr = dev->devno;
+
+	assoc_desc = udev->actconfig->intf_assoc[0];
+	if (assoc_desc->bFirstInterface != ifnum) {
+		cx231xx_err(DRIVER_NAME ": Not found "
+			    "matching IAD interface\n");
+		clear_bit(dev->devno, &cx231xx_devused);
+		kfree(dev);
+		dev = NULL;
+		return -ENODEV;
+	}
+
+	cx231xx_info("registering interface %d\n", ifnum);
+
+	/* save our data pointer in this interface device */
+	usb_set_intfdata(interface, dev);
+
+	/*
+	 * AV device initialization - only done at the last interface
+	 */
+
+	/* Create v4l2 device */
+	retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
+	if (retval) {
+		cx231xx_errdev("v4l2_device_register failed\n");
+		clear_bit(dev->devno, &cx231xx_devused);
+		kfree(dev);
+		dev = NULL;
+		return -EIO;
+	}
+	/* allocate device struct */
+	retval = cx231xx_init_dev(dev, udev, nr);
+	if (retval) {
+		clear_bit(dev->devno, &cx231xx_devused);
+		v4l2_device_unregister(&dev->v4l2_dev);
+		kfree(dev);
+		dev = NULL;
+		usb_set_intfdata(interface, NULL);
+
+		return retval;
+	}
+
+	/* compute alternate max packet sizes for video */
+	uif = udev->actconfig->interface[dev->current_pcb_config.
+		       hs_config_info[0].interface_info.video_index + 1];
+
+	dev->video_mode.end_point_addr = le16_to_cpu(uif->altsetting[0].
+			endpoint[isoc_pipe].desc.bEndpointAddress);
+
+	dev->video_mode.num_alt = uif->num_altsetting;
+	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+		     dev->video_mode.end_point_addr,
+		     dev->video_mode.num_alt);
+	dev->video_mode.alt_max_pkt_size =
+		kmalloc(32 * dev->video_mode.num_alt, GFP_KERNEL);
+
+	if (dev->video_mode.alt_max_pkt_size == NULL) {
+		cx231xx_errdev("out of memory!\n");
+		clear_bit(dev->devno, &cx231xx_devused);
+		v4l2_device_unregister(&dev->v4l2_dev);
+		kfree(dev);
+		dev = NULL;
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < dev->video_mode.num_alt; i++) {
+		u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+				desc.wMaxPacketSize);
+		dev->video_mode.alt_max_pkt_size[i] =
+		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+		cx231xx_info("Alternate setting %i, max size= %i\n", i,
+			     dev->video_mode.alt_max_pkt_size[i]);
+	}
+
+	/* compute alternate max packet sizes for vbi */
+	uif = udev->actconfig->interface[dev->current_pcb_config.
+				       hs_config_info[0].interface_info.
+				       vanc_index + 1];
+
+	dev->vbi_mode.end_point_addr =
+	    le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
+			bEndpointAddress);
+
+	dev->vbi_mode.num_alt = uif->num_altsetting;
+	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+		     dev->vbi_mode.end_point_addr,
+		     dev->vbi_mode.num_alt);
+	dev->vbi_mode.alt_max_pkt_size =
+	    kmalloc(32 * dev->vbi_mode.num_alt, GFP_KERNEL);
+
+	if (dev->vbi_mode.alt_max_pkt_size == NULL) {
+		cx231xx_errdev("out of memory!\n");
+		clear_bit(dev->devno, &cx231xx_devused);
+		v4l2_device_unregister(&dev->v4l2_dev);
+		kfree(dev);
+		dev = NULL;
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < dev->vbi_mode.num_alt; i++) {
+		u16 tmp =
+		    le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+				desc.wMaxPacketSize);
+		dev->vbi_mode.alt_max_pkt_size[i] =
+		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+		cx231xx_info("Alternate setting %i, max size= %i\n", i,
+			     dev->vbi_mode.alt_max_pkt_size[i]);
+	}
+
+	/* compute alternate max packet sizes for sliced CC */
+	uif = udev->actconfig->interface[dev->current_pcb_config.
+				       hs_config_info[0].interface_info.
+				       hanc_index + 1];
+
+	dev->sliced_cc_mode.end_point_addr =
+	    le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].desc.
+			bEndpointAddress);
+
+	dev->sliced_cc_mode.num_alt = uif->num_altsetting;
+	cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+		     dev->sliced_cc_mode.end_point_addr,
+		     dev->sliced_cc_mode.num_alt);
+	dev->sliced_cc_mode.alt_max_pkt_size =
+		kmalloc(32 * dev->sliced_cc_mode.num_alt, GFP_KERNEL);
+
+	if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) {
+		cx231xx_errdev("out of memory!\n");
+		clear_bit(dev->devno, &cx231xx_devused);
+		v4l2_device_unregister(&dev->v4l2_dev);
+		kfree(dev);
+		dev = NULL;
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
+		u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+				desc.wMaxPacketSize);
+		dev->sliced_cc_mode.alt_max_pkt_size[i] =
+		    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+		cx231xx_info("Alternate setting %i, max size= %i\n", i,
+			     dev->sliced_cc_mode.alt_max_pkt_size[i]);
+	}
+
+	if (dev->current_pcb_config.ts1_source != 0xff) {
+		/* compute alternate max packet sizes for TS1 */
+		uif = udev->actconfig->interface[dev->current_pcb_config.
+					       hs_config_info[0].
+					       interface_info.
+					       ts1_index + 1];
+
+		dev->ts1_mode.end_point_addr =
+		    le16_to_cpu(uif->altsetting[0].endpoint[isoc_pipe].
+				desc.bEndpointAddress);
+
+		dev->ts1_mode.num_alt = uif->num_altsetting;
+		cx231xx_info("EndPoint Addr 0x%x, Alternate settings: %i\n",
+			     dev->ts1_mode.end_point_addr,
+			     dev->ts1_mode.num_alt);
+		dev->ts1_mode.alt_max_pkt_size =
+			kmalloc(32 * dev->ts1_mode.num_alt, GFP_KERNEL);
+
+		if (dev->ts1_mode.alt_max_pkt_size == NULL) {
+			cx231xx_errdev("out of memory!\n");
+			clear_bit(dev->devno, &cx231xx_devused);
+			v4l2_device_unregister(&dev->v4l2_dev);
+			kfree(dev);
+			dev = NULL;
+			return -ENOMEM;
+		}
+
+		for (i = 0; i < dev->ts1_mode.num_alt; i++) {
+			u16 tmp = le16_to_cpu(uif->altsetting[i].
+						endpoint[isoc_pipe].desc.
+						wMaxPacketSize);
+			dev->ts1_mode.alt_max_pkt_size[i] =
+			    (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
+			cx231xx_info("Alternate setting %i, max size= %i\n", i,
+				     dev->ts1_mode.alt_max_pkt_size[i]);
+		}
+	}
+
+	if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) {
+		cx231xx_enable_OSC(dev);
+		cx231xx_reset_out(dev);
+		cx231xx_set_alt_setting(dev, INDEX_VIDEO, 3);
+	}
+
+	if (dev->model == CX231XX_BOARD_CNXT_RDE_253S)
+		cx231xx_sleep_s5h1432(dev);
+
+	/* load other modules required */
+	request_modules(dev);
+
+	return 0;
+}
+
+/*
+ * cx231xx_usb_disconnect()
+ * called when the device gets diconencted
+ * video device will be unregistered on v4l2_close in case it is still open
+ */
+static void cx231xx_usb_disconnect(struct usb_interface *interface)
+{
+	struct cx231xx *dev;
+
+	dev = usb_get_intfdata(interface);
+	usb_set_intfdata(interface, NULL);
+
+	if (!dev)
+		return;
+
+	if (!dev->udev)
+		return;
+
+	dev->state |= DEV_DISCONNECTED;
+
+	flush_request_modules(dev);
+
+	/* wait until all current v4l2 io is finished then deallocate
+	   resources */
+	mutex_lock(&dev->lock);
+
+	wake_up_interruptible_all(&dev->open);
+
+	if (dev->users) {
+		cx231xx_warn
+		    ("device %s is open! Deregistration and memory "
+		     "deallocation are deferred on close.\n",
+		     video_device_node_name(dev->vdev));
+
+		/* Even having users, it is safe to remove the RC i2c driver */
+		cx231xx_ir_exit(dev);
+
+		if (dev->USE_ISO)
+			cx231xx_uninit_isoc(dev);
+		else
+			cx231xx_uninit_bulk(dev);
+		wake_up_interruptible(&dev->wait_frame);
+		wake_up_interruptible(&dev->wait_stream);
+	} else {
+	}
+
+	cx231xx_close_extension(dev);
+
+	mutex_unlock(&dev->lock);
+
+	if (!dev->users)
+		cx231xx_release_resources(dev);
+}
+
+static struct usb_driver cx231xx_usb_driver = {
+	.name = "cx231xx",
+	.probe = cx231xx_usb_probe,
+	.disconnect = cx231xx_usb_disconnect,
+	.id_table = cx231xx_id_table,
+};
+
+module_usb_driver(cx231xx_usb_driver);