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/*
* Driver for the Conexant CX23885 PCIe bridge
*
* Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
*
* 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/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/kthread.h>
#include <linux/file.h>
#include <linux/suspend.h>
#include "cx23885.h"
#include <media/v4l2-common.h>
#include "s5h1409.h"
#include "mt2131.h"
static unsigned int debug = 0;
#define dprintk(level,fmt, arg...) if (debug >= level) \
printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
/* ------------------------------------------------------------------ */
static int dvb_buf_setup(struct videobuf_queue *q,
unsigned int *count, unsigned int *size)
{
struct cx23885_tsport *port = q->priv_data;
port->ts_packet_size = 188 * 4;
port->ts_packet_count = 32;
*size = port->ts_packet_size * port->ts_packet_count;
*count = 32;
return 0;
}
static int dvb_buf_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb, enum v4l2_field field)
{
struct cx23885_tsport *port = q->priv_data;
return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
}
static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
struct cx23885_tsport *port = q->priv_data;
cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
}
static void dvb_buf_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
}
static struct videobuf_queue_ops dvb_qops = {
.buf_setup = dvb_buf_setup,
.buf_prepare = dvb_buf_prepare,
.buf_queue = dvb_buf_queue,
.buf_release = dvb_buf_release,
};
static struct s5h1409_config hauppauge_generic_config = {
.demod_address = 0x32 >> 1,
.output_mode = S5H1409_SERIAL_OUTPUT,
.gpio = S5H1409_GPIO_OFF,
.if_freq = 44000,
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING
};
static struct mt2131_config hauppauge_generic_tunerconfig = {
0x61
};
static int dvb_register(struct cx23885_tsport *port)
{
struct cx23885_dev *dev = port->dev;
/* init struct videobuf_dvb */
port->dvb.name = dev->name;
/* init frontend */
switch (dev->board) {
case CX23885_BOARD_HAUPPAUGE_HVR1250:
case CX23885_BOARD_HAUPPAUGE_HVR1800:
case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
port->dvb.frontend = dvb_attach(s5h1409_attach,
&hauppauge_generic_config,
&dev->i2c_bus[0].i2c_adap);
if (port->dvb.frontend != NULL) {
dvb_attach(mt2131_attach, port->dvb.frontend,
&dev->i2c_bus[0].i2c_adap,
&hauppauge_generic_tunerconfig, 0);
}
break;
default:
printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
dev->name);
break;
}
if (NULL == port->dvb.frontend) {
printk("%s: frontend initialization failed\n", dev->name);
return -1;
}
/* Put the analog decoder in standby to keep it quiet */
cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
/* register everything */
return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
&dev->pci->dev);
}
int cx23885_dvb_register(struct cx23885_tsport *port)
{
struct cx23885_dev *dev = port->dev;
int err;
dprintk(1, "%s\n", __FUNCTION__);
dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
dev->board,
dev->name,
dev->pci_bus,
dev->pci_slot);
err = -ENODEV;
if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))
goto fail_core;
/* dvb stuff */
printk("%s: cx23885 based dvb card\n", dev->name);
videobuf_queue_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
sizeof(struct cx23885_buffer), port);
err = dvb_register(port);
if (err != 0)
printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
fail_core:
return err;
}
int cx23885_dvb_unregister(struct cx23885_tsport *port)
{
/* dvb */
if(port->dvb.frontend)
videobuf_dvb_unregister(&port->dvb);
return 0;
}
/*
* Local variables:
* c-basic-offset: 8
* End:
* kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
*/
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