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c293d0a72e
All standard related configuration is stored within struct tda18271_std_map_item. Pass a pointer to this structure rather than its individual members. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
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tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
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Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __TDA18271_H__
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#define __TDA18271_H__
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#include <linux/i2c.h>
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#include "dvb_frontend.h"
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struct tda18271_std_map_item {
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u16 if_freq;
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u8 std_bits;
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unsigned int fm_rfn:1;
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};
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struct tda18271_std_map {
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struct tda18271_std_map_item fm_radio;
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struct tda18271_std_map_item atv_b;
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struct tda18271_std_map_item atv_dk;
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struct tda18271_std_map_item atv_gh;
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struct tda18271_std_map_item atv_i;
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struct tda18271_std_map_item atv_l;
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struct tda18271_std_map_item atv_lc;
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struct tda18271_std_map_item atv_mn;
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struct tda18271_std_map_item atsc_6;
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struct tda18271_std_map_item dvbt_6;
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struct tda18271_std_map_item dvbt_7;
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struct tda18271_std_map_item dvbt_8;
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struct tda18271_std_map_item qam_6;
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struct tda18271_std_map_item qam_8;
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};
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enum tda18271_i2c_gate {
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TDA18271_GATE_AUTO = 0,
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TDA18271_GATE_ANALOG,
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TDA18271_GATE_DIGITAL,
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};
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struct tda18271_config {
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/* override default if freq / std settings (optional) */
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struct tda18271_std_map *std_map;
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/* use i2c gate provided by analog or digital demod */
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enum tda18271_i2c_gate gate;
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/* some i2c providers cant write all 39 registers at once */
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unsigned int small_i2c:1;
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};
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#if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
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extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
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struct i2c_adapter *i2c,
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struct tda18271_config *cfg);
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#else
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static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
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u8 addr,
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struct i2c_adapter *i2c,
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struct tda18271_config *cfg)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
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return NULL;
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}
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#endif
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#endif /* __TDA18271_H__ */
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