[deliverable/linux.git] / drivers / media / video / cx23885 / cx23885-dvb.c

/*
 *  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
*/
Commit	Line	Data
d19770e5 ST	1	/*
	2	* Driver for the Conexant CX23885 PCIe bridge
	3	*
	4	* Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	*
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24	#include <linux/device.h>
	25	#include <linux/fs.h>
	26	#include <linux/kthread.h>
	27	#include <linux/file.h>
	28	#include <linux/suspend.h>
	29
	30	#include "cx23885.h"
d19770e5 ST	31	#include <media/v4l2-common.h>
	32
	33	#include "s5h1409.h"
	34	#include "mt2131.h"
	35
2e52f215	36	static unsigned int debug = 0;
d19770e5 ST	37
	38	#define dprintk(level,fmt, arg...) if (debug >= level) \
	39	printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
	40
	41	/* ------------------------------------------------------------------ */
	42
	43	static int dvb_buf_setup(struct videobuf_queue *q,
	44	unsigned int count, unsigned int size)
	45	{
	46	struct cx23885_tsport *port = q->priv_data;
	47
	48	port->ts_packet_size = 188 * 4;
	49	port->ts_packet_count = 32;
	50
	51	size = port->ts_packet_size port->ts_packet_count;
	52	*count = 32;
	53	return 0;
	54	}
	55
44a6481d MK	56	static int dvb_buf_prepare(struct videobuf_queue *q,
44a6481d MK	57	struct videobuf_buffer *vb, enum v4l2_field field)
d19770e5 ST	58	{
d19770e5 ST	59	struct cx23885_tsport *port = q->priv_data;
44a6481d	60	return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
d19770e5 ST	61	}
	62
	63	static void dvb_buf_queue(struct videobuf_queue q, struct videobuf_buffer vb)
	64	{
	65	struct cx23885_tsport *port = q->priv_data;
	66	cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
	67	}
	68
44a6481d MK	69	static void dvb_buf_release(struct videobuf_queue *q,
44a6481d MK	70	struct videobuf_buffer *vb)
d19770e5 ST	71	{
	72	cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
	73	}
	74
	75	static struct videobuf_queue_ops dvb_qops = {
	76	.buf_setup = dvb_buf_setup,
	77	.buf_prepare = dvb_buf_prepare,
	78	.buf_queue = dvb_buf_queue,
	79	.buf_release = dvb_buf_release,
	80	};
	81
86184e06	82	static struct s5h1409_config hauppauge_generic_config = {
d19770e5 ST	83	.demod_address = 0x32 >> 1,
	84	.output_mode = S5H1409_SERIAL_OUTPUT,
	85	.gpio = S5H1409_GPIO_OFF,
	86	.if_freq = 44000,
fe475163 ST	87	.inversion = S5H1409_INVERSION_OFF,
fe475163 ST	88	.status_mode = S5H1409_DEMODLOCKING
d19770e5 ST	89	};
d19770e5 ST	90
86184e06	91	static struct mt2131_config hauppauge_generic_tunerconfig = {
a77743bc ST	92	0x61
	93	};
	94
d19770e5 ST	95	static int dvb_register(struct cx23885_tsport *port)
	96	{
	97	struct cx23885_dev *dev = port->dev;
	98
	99	/* init struct videobuf_dvb */
	100	port->dvb.name = dev->name;
	101
	102	/* init frontend */
	103	switch (dev->board) {
a77743bc	104	case CX23885_BOARD_HAUPPAUGE_HVR1250:
d19770e5	105	case CX23885_BOARD_HAUPPAUGE_HVR1800:
86184e06	106	case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
d19770e5	107	port->dvb.frontend = dvb_attach(s5h1409_attach,
86184e06	108	&hauppauge_generic_config,
44a6481d	109	&dev->i2c_bus[0].i2c_adap);
d19770e5	110	if (port->dvb.frontend != NULL) {
44a6481d MK	111	dvb_attach(mt2131_attach, port->dvb.frontend,
44a6481d MK	112	&dev->i2c_bus[0].i2c_adap,
86184e06	113	&hauppauge_generic_tunerconfig, 0);
d19770e5 ST	114	}
	115	break;
	116	default:
	117	printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
	118	dev->name);
	119	break;
	120	}
	121	if (NULL == port->dvb.frontend) {
	122	printk("%s: frontend initialization failed\n", dev->name);
	123	return -1;
	124	}
	125
	126	/* Put the analog decoder in standby to keep it quiet */
	127	cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
	128
	129	/* register everything */
44a6481d MK	130	return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
44a6481d MK	131	&dev->pci->dev);
d19770e5 ST	132	}
	133
	134	int cx23885_dvb_register(struct cx23885_tsport *port)
	135	{
	136	struct cx23885_dev *dev = port->dev;
	137	int err;
	138
44a6481d MK	139	dprintk(1, "%s\n", __FUNCTION__);
44a6481d MK	140	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
d19770e5 ST	141	dev->board,
	142	dev->name,
	143	dev->pci_bus,
	144	dev->pci_slot);
	145
	146	err = -ENODEV;
	147	if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))
	148	goto fail_core;
	149
	150	/* dvb stuff */
	151	printk("%s: cx23885 based dvb card\n", dev->name);
44a6481d MK	152	videobuf_queue_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
	153	V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
	154	sizeof(struct cx23885_buffer), port);
d19770e5 ST	155	err = dvb_register(port);
	156	if (err != 0)
	157	printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
	158
	159	fail_core:
	160	return err;
	161	}
	162
	163	int cx23885_dvb_unregister(struct cx23885_tsport *port)
	164	{
	165	/* dvb */
	166	if(port->dvb.frontend)
	167	videobuf_dvb_unregister(&port->dvb);
	168
	169	return 0;
	170	}
44a6481d MK	171
	172	/*
	173	* Local variables:
	174	* c-basic-offset: 8
	175	* End:
	176	* 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
	177	*/