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/*
* $Id: saa7134-dvb.c,v 1.7 2005/01/04 16:31:20 kraxel Exp $
*
* (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
*
* 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/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/suspend.h>
#include "saa7134-reg.h"
#include "saa7134.h"
#include "dvb-pll.h"
#include "mt352.h"
#include "mt352_priv.h" /* FIXME */
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
/* ------------------------------------------------------------------ */
static int mt352_pinnacle_init(struct dvb_frontend* fe)
{
static u8 clock_config [] = { CLOCK_CTL, 0x3d, 0x39 };
static u8 reset [] = { RESET, 0x80 };
static u8 adc_ctl_1_cfg [] = { ADC_CTL_1, 0x40 };
static u8 agc_cfg [] = { AGC_TARGET, 0x20, 0x20 };
static u8 capt_range_cfg[] = { CAPT_RANGE, 0x31 };
#if 0
// general purpose port pins
static u8 gpp_ctl_cfg [] = { GPP_CTL, 0x33 };
#endif
struct saa7134_dev *dev= fe->dvb->priv;
printk("%s: %s called\n",dev->name,__FUNCTION__);
mt352_write(fe, clock_config, sizeof(clock_config));
udelay(200);
mt352_write(fe, reset, sizeof(reset));
mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg));
mt352_write(fe, agc_cfg, sizeof(agc_cfg));
mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
#if 0
mt352_write(fe, gpp_ctl_cfg, sizeof(gpp_ctl_cfg));
#endif
return 0;
}
static int mt352_pinnacle_pll_set(struct dvb_frontend* fe,
struct dvb_frontend_parameters* params,
u8* pllbuf)
{
static u8 buf[][3] = {
/* set bandwidth (ADC frequency is 20.333 MHz) */
[ BANDWIDTH_6_MHZ ] = { TRL_NOMINAL_RATE_1, 0x56, 0x55 },
[ BANDWIDTH_7_MHZ ] = { TRL_NOMINAL_RATE_1, 0x64, 0xB8 },
[ BANDWIDTH_8_MHZ ] = { TRL_NOMINAL_RATE_1, 0x73, 0x1C },
};
struct saa7134_dev *dev= fe->dvb->priv;
struct v4l2_frequency f;
int bw = params->u.ofdm.bandwidth;
printk("%s: %s called (freq=%d,bw=%d)\n",dev->name,__FUNCTION__,
params->frequency,bw);
/* set frequency */
f.tuner = 0;
f.type = V4L2_TUNER_ANALOG_TV; /* FIXME */
f.frequency = params->frequency / 1000 * 16 / 1000;
saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f);
memset(pllbuf,0,5);
if (bw < ARRAY_SIZE(buf) && NULL != buf[bw]) {
#if 1
/* dirty hack time -- fixup mt352 buffer which has
* adc freq 20.48 MHz values hardcoded */
pllbuf[-4] = buf[bw][1];
pllbuf[-3] = buf[bw][2];
pllbuf[-2] = 0x31; /* if 36.1667 + adc 20.333 */
pllbuf[-1] = 0xD9;
#else
mt352_write(fe, buf[bw], 3);
#endif
}
return 0;
}
static struct mt352_config pinnacle_300i = {
.demod_address = 0x3c >> 1,
.demod_init = mt352_pinnacle_init,
.pll_set = mt352_pinnacle_pll_set,
};
/* ------------------------------------------------------------------ */
static int dvb_init(struct saa7134_dev *dev)
{
/* init struct videobuf_dvb */
dev->dvb.name = dev->name;
videobuf_queue_init(&dev->dvb.dvbq, &saa7134_ts_qops,
dev->pci, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_TOP,
sizeof(struct saa7134_buf),
dev);
switch (dev->board) {
case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
printk("%s: pinnacle 300i dvb setup\n",dev->name);
dev->dvb.frontend = mt352_attach(&pinnacle_300i,
&dev->i2c_adap);
break;
default:
printk("%s: Huh? unknown DVB card?\n",dev->name);
break;
}
if (NULL == dev->dvb.frontend) {
printk("%s: frontend initialization failed\n",dev->name);
return -1;
}
/* register everything else */
return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev);
}
static int dvb_fini(struct saa7134_dev *dev)
{
printk("%s: %s\n",dev->name,__FUNCTION__);
videobuf_dvb_unregister(&dev->dvb);
return 0;
}
static struct saa7134_mpeg_ops dvb_ops = {
.type = SAA7134_MPEG_DVB,
.init = dvb_init,
.fini = dvb_fini,
};
static int __init dvb_register(void)
{
return saa7134_ts_register(&dvb_ops);
}
static void __exit dvb_unregister(void)
{
saa7134_ts_unregister(&dvb_ops);
}
module_init(dvb_register);
module_exit(dvb_unregister);
/* ------------------------------------------------------------------ */
/*
* Local variables:
* c-basic-offset: 8
* compile-command: "make DVB=1"
* End:
*/
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