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/*
*
* $Id: pvrusb2-tuner.c,v 1.4 2005/12/02 13:59:00 mcisely Exp $
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
* Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
*
* 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
*
* 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 "pvrusb2.h"
#include "pvrusb2-util.h"
#include "pvrusb2-tuner.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-i2c.h"
#include "pvrusb2-debug.h"
#include "compat.h"
#include <linux/videodev.h>
#include <media/tuner.h>
#define PVR_STD_I2C_ADDR 0x43
static int tuner[PVR_NUM] = { [0 ... PVR_NUM-1] = -1 };
module_param_array(tuner, int, NULL, 0444);
MODULE_PARM_DESC(tuner,"specify installed tuner type");
static u32 pvr_tbl_standard[] = {
[PVR2_CVAL_VIDEOSTANDARD_PAL_BG] = 0x00d47009, /* PVR_STD_PAL_BG */
[PVR2_CVAL_VIDEOSTANDARD_PAL_I] = 0x00d4700a, /* PVR_STD_PAL_I */
[PVR2_CVAL_VIDEOSTANDARD_PAL_DK] = 0x00d4700b, /* PVR_STD_PAL_DK */
[PVR2_CVAL_VIDEOSTANDARD_SECAM_L] = 0x00c4100b, /* PVR_STD_SECAM */
[PVR2_CVAL_VIDEOSTANDARD_NTSC_M] = 0x00163044, /* PVR_STD_NTSC */
[PVR2_CVAL_VIDEOSTANDARD_PAL_M] = 0x00163044 /* PVR_STD_PAL_M */
};
#define trace_tuner(...) pvr2_trace(PVR2_TRACE_TUNER,__VA_ARGS__)
int pvr2_tuner_get_default_type(struct pvr2_hdw *hdw)
{
int unit_number = hdw->unit_number;
int tp = -1;
if ((unit_number >= 0) && (unit_number < PVR_NUM)) {
tp = tuner[unit_number];
}
if (tp < 0) return -EINVAL;
hdw->tuner_type = tp;
return 0;
}
int pvr2_tuner_set_freq(struct pvr2_hdw *hdw)
{
int stat;
struct v4l2_frequency freq;
freq.frequency = hdw->controls[PVR2_CID_FREQUENCY].value / 62500;
freq.tuner = 0;
freq.type = V4L2_TUNER_ANALOG_TV;
trace_tuner("pvr2_tuner_set_freq(%d)",freq.frequency);
stat = pvr2_i2c_tuner_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
if (stat < 0) return stat;
/* This kicks the audio controller... */
stat = pvr2_i2c_msp3400_cmd(hdw,VIDIOCSFREQ,0);
if (stat < 0) return stat;
hdw->subsys_enabled_mask |= PVR2_SUBSYS_TUNER_CFG_FREQ;
return 0;
}
int pvr2_tuner_set_type(struct pvr2_hdw *hdw)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 13)
struct tuner_setup setup;
#endif
trace_tuner("pvr2_tuner_set_type(%d)",hdw->tuner_type);
if (((int)(hdw->tuner_type)) < 0) {
trace_tuner("tuner type not set yet");
return 0;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 13)
setup.addr = ADDR_UNSET;
setup.type = hdw->tuner_type;
setup.mode_mask = T_RADIO | T_ANALOG_TV;
/* We may really want mode_mask to be T_ANALOG_TV for now */
return pvr2_i2c_tuner_cmd(hdw,TUNER_SET_TYPE_ADDR,&setup);
#else
return pvr2_i2c_tuner_cmd(hdw,TUNER_SET_TYPE,&hdw->tuner_type);
#endif
}
int pvr2_tuner_set_standard(struct pvr2_hdw *hdw)
{
struct i2c_msg msg[1];
u8 buff [4];
v4l2_std_id vs;
int cvstd = hdw->controls[PVR2_CID_VIDEOSTANDARD].value;
trace_tuner("pvr2_tuner_set_standard(%d)",
hdw->controls[PVR2_CID_VIDEOSTANDARD].value);
/* FIXME: Might be tuner dependant ? Need more hardware info... */
/* MCI 15-May-2005: I have absolutely no idea what this is doing
or who it is talking to. */
PVR2_DECOMPOSE_BE(
buff, 0,pvr_tbl_standard[cvstd]);
msg[0].addr = PVR_STD_I2C_ADDR;
msg[0].flags = 0;
msg[0].len = sizeof(buff);
msg[0].buf = buff;
i2c_transfer(&hdw->i2c_adap,msg,sizeof(msg)/sizeof(msg[0]));
/* Also tell tuner.ko about the video standard. */
switch (cvstd) {
default:
case PVR2_CVAL_VIDEOSTANDARD_NTSC_M:
vs = V4L2_STD_NTSC_M;
break;
case PVR2_CVAL_VIDEOSTANDARD_SECAM_L:
vs = V4L2_STD_SECAM;
break;
case PVR2_CVAL_VIDEOSTANDARD_PAL_BG:
vs = V4L2_STD_PAL_BG;
break;
case PVR2_CVAL_VIDEOSTANDARD_PAL_I:
vs = V4L2_STD_PAL_I;
break;
case PVR2_CVAL_VIDEOSTANDARD_PAL_DK:
vs = V4L2_STD_PAL_DK;
break;
case PVR2_CVAL_VIDEOSTANDARD_PAL_M:
vs = V4L2_STD_PAL_M;
break;
}
pvr2_i2c_tuner_cmd(hdw,VIDIOC_S_STD,&vs);
hdw->subsys_enabled_mask |= PVR2_SUBSYS_TUNER_CFG_STD;
return 0;
}
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***
*** mode: c ***
*** fill-column: 70 ***
*** tab-width: 8 ***
*** c-basic-offset: 8 ***
*** End: ***
*/
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