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![Peter Senna Tschudin](/assets/img/avatar_default.png)
This patch introduces the use of IS_ENABLED() macro. For example, replacing: #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE)) with: #if IS_ENABLED(CONFIG_I2C) All changes made by this patch respect the same replacement pattern. Reported-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
139 lines
3.7 KiB
C
139 lines
3.7 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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/* EP3[4:3] */
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unsigned int agc_mode:2;
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/* EP3[2:0] */
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unsigned int std:3;
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/* EP4[7] */
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unsigned int fm_rfn:1;
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/* EP4[4:2] */
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unsigned int if_lvl:3;
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/* EB22[6:0] */
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unsigned int rfagc_top:7;
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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_7;
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struct tda18271_std_map_item qam_8;
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};
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enum tda18271_role {
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TDA18271_MASTER = 0,
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TDA18271_SLAVE,
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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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enum tda18271_output_options {
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/* slave tuner output & loop thru & xtal oscillator always on */
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TDA18271_OUTPUT_LT_XT_ON = 0,
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/* slave tuner output loop thru off */
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TDA18271_OUTPUT_LT_OFF = 1,
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/* xtal oscillator off */
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TDA18271_OUTPUT_XT_OFF = 2,
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};
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enum tda18271_small_i2c {
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TDA18271_39_BYTE_CHUNK_INIT = 0,
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TDA18271_16_BYTE_CHUNK_INIT = 16,
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TDA18271_08_BYTE_CHUNK_INIT = 8,
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TDA18271_03_BYTE_CHUNK_INIT = 3,
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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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/* master / slave tuner: master uses main pll, slave uses cal pll */
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enum tda18271_role role;
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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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/* output options that can be disabled */
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enum tda18271_output_options output_opt;
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/* some i2c providers can't write all 39 registers at once */
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enum tda18271_small_i2c small_i2c;
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/* force rf tracking filter calibration on startup */
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unsigned int rf_cal_on_startup:1;
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/* prevent any register access during attach(),
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* delaying both IR & RF calibration until init()
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* module option 'cal' overrides this delay */
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unsigned int delay_cal:1;
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/* interface to saa713x / tda829x */
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unsigned int config;
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};
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#define TDA18271_CALLBACK_CMD_AGC_ENABLE 0
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enum tda18271_mode {
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TDA18271_ANALOG = 0,
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TDA18271_DIGITAL,
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};
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#if IS_ENABLED(CONFIG_MEDIA_TUNER_TDA18271)
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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", __func__);
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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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