/*
tda18271-fe.c - driver for the Philips / NXP TDA18271 silicon tuner
Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
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/delay.h>
#include <linux/videodev2.h>
#include "tda18271-priv.h"
int tda18271_debug;
module_param_named(debug, tda18271_debug, int, 0644);
MODULE_PARM_DESC(debug, "set debug level "
"(info=1, map=2, reg=4, adv=8, cal=16 (or-able))");
static int tda18271_cal_on_startup = -1;
module_param_named(cal, tda18271_cal_on_startup, int, 0644);
MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup");
static DEFINE_MUTEX(tda18271_list_mutex);
static LIST_HEAD(hybrid_tuner_instance_list);
/*---------------------------------------------------------------------*/
static int tda18271_toggle_output(struct dvb_frontend *fe, int standby)
{
struct tda18271_priv *priv = fe->tuner_priv;
int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0,
priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0,
priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0);
if (tda_fail(ret))
goto fail;
tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n",
standby ? "standby" : "active",
priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on",
priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on");
fail:
return ret;
}
/*---------------------------------------------------------------------*/
static inline int charge_pump_source(struct dvb_frontend *fe, int force)
{
struct tda18271_priv *priv = fe->tuner_priv;
return tda18271_charge_pump_source(fe,
(priv->role == TDA18271_SLAVE) ?
TDA18271_CAL_PLL :
TDA18271_MAIN_PLL, force);
}
static inline void tda18271_set_if_notch(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
switch (priv->mode) 