path: root/drivers/media/video/cx18/cx18-driver.c

/*
 *  cx18 driver initialization and card probing
 *
 *  Derived from ivtv-driver.c
 *
 *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
 *  Copyright (C) 2008  Andy Walls <awalls@radix.net>
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA
 *  02111-1307  USA
 */

#include "cx18-driver.h"
#include "cx18-io.h"
#include "cx18-version.h"
#include "cx18-cards.h"
#include "cx18-i2c.h"
#include "cx18-irq.h"
#include "cx18-gpio.h"
#include "cx18-firmware.h"
#include "cx18-streams.h"
#include "cx18-av-core.h"
#include "cx18-scb.h"
#include "cx18-mailbox.h"
#include "cx18-ioctl.h"
#include "tuner-xc2028.h"

#include <media/tveeprom.h>


/* var to keep track of the number of array elements in use */
int cx18_cards_active;

/* If you have already X v4l cards, then set this to X. This way
   the device numbers stay matched. Example: you have a WinTV card
   without radio and a Compro H900 with. Normally this would give a
   video1 device together with a radio0 device for the Compro. By
   setting this to 1 you ensure that radio0 is now also radio1. */
int cx18_first_minor;

/* Master variable for all cx18 info */
struct cx18 *cx18_cards[CX18_MAX_CARDS];

/* Protects cx18_cards_active */
DEFINE_SPINLOCK(cx18_cards_lock);

/* add your revision and whatnot here */
static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
	{PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{0,}
};

MODULE_DEVICE_TABLE(pci, cx18_pci_tbl);

/* Parameter declarations */
static int cardtype[CX18_MAX_CARDS];
static int tuner[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1 };
static int radio[CX18_MAX_CARDS] = { -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1,
				     -1, -1, -1, -1, -1, -1, -1, -1 };
static unsigned cardtype_c = 1;
static unsigned tuner_c = 1;
static unsigned radio_c = 1;
static char pal[] = "--";
static char secam[] = "--";
static char ntsc[] = "-";

/* Buffers */
static int enc_ts_buffers = CX18_DEFAULT_ENC_TS_BUFFERS;
static int enc_mpg_buffers = CX18_DEFAULT_ENC_MPG_BUFFERS;
static int enc_idx_buffers = CX18_DEFAULT_ENC_IDX_BUFFERS;
static int enc_yuv_buffers = CX18_DEFAULT_ENC_YUV_BUFFERS;
static int enc_vbi_buffers = CX18_DEFAULT_ENC_VBI_BUFFERS;
static int enc_pcm_buffers = CX18_DEFAULT_ENC_PCM_BUFFERS;

static int enc_ts_bufsize = CX18_DEFAULT_ENC_TS_BUFSIZE;
static int enc_mpg_bufsize = CX18_DEFAULT_ENC_MPG_BUFSIZE;
static int enc_idx_bufsize = CX18_DEFAULT_ENC_IDX_BUFSIZE;
static int enc_yuv_bufsize = CX18_DEFAULT_ENC_YUV_BUFSIZE;
/* VBI bufsize based on standards supported by card tuner for now */
static int