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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/tuners/tda18271.h
Initial import
Diffstat (limited to 'drivers/media/tuners/tda18271.h')
-rw-r--r--drivers/media/tuners/tda18271.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/media/tuners/tda18271.h b/drivers/media/tuners/tda18271.h
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+++ b/drivers/media/tuners/tda18271.h
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+/*
+ tda18271.h - header 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.
+*/
+
+#ifndef __TDA18271_H__
+#define __TDA18271_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+struct tda18271_std_map_item {
+ u16 if_freq;
+
+ /* EP3[4:3] */
+ unsigned int agc_mode:2;
+ /* EP3[2:0] */
+ unsigned int std:3;
+ /* EP4[7] */
+ unsigned int fm_rfn:1;
+ /* EP4[4:2] */
+ unsigned int if_lvl:3;
+ /* EB22[6:0] */
+ unsigned int rfagc_top:7;
+};
+
+struct tda18271_std_map {
+ struct tda18271_std_map_item fm_radio;
+ struct tda18271_std_map_item atv_b;
+ struct tda18271_std_map_item atv_dk;
+ struct tda18271_std_map_item atv_gh;
+ struct tda18271_std_map_item atv_i;
+ struct tda18271_std_map_item atv_l;
+ struct tda18271_std_map_item atv_lc;
+ struct tda18271_std_map_item atv_mn;
+ struct tda18271_std_map_item atsc_6;
+ struct tda18271_std_map_item dvbt_6;
+ struct tda18271_std_map_item dvbt_7;
+ struct tda18271_std_map_item dvbt_8;
+ struct tda18271_std_map_item qam_6;
+ struct tda18271_std_map_item qam_7;
+ struct tda18271_std_map_item qam_8;
+};
+
+enum tda18271_role {
+ TDA18271_MASTER = 0,
+ TDA18271_SLAVE,
+};
+
+enum tda18271_i2c_gate {
+ TDA18271_GATE_AUTO = 0,
+ TDA18271_GATE_ANALOG,
+ TDA18271_GATE_DIGITAL,
+};
+
+enum tda18271_output_options {
+ /* slave tuner output & loop thru & xtal oscillator always on */
+ TDA18271_OUTPUT_LT_XT_ON = 0,
+
+ /* slave tuner output loop thru off */
+ TDA18271_OUTPUT_LT_OFF = 1,
+
+ /* xtal oscillator off */
+ TDA18271_OUTPUT_XT_OFF = 2,
+};
+
+enum tda18271_small_i2c {
+ TDA18271_39_BYTE_CHUNK_INIT = 0,
+ TDA18271_16_BYTE_CHUNK_INIT = 16,
+ TDA18271_08_BYTE_CHUNK_INIT = 8,
+ TDA18271_03_BYTE_CHUNK_INIT = 3,
+};
+
+struct tda18271_config {
+ /* override default if freq / std settings (optional) */
+ struct tda18271_std_map *std_map;
+
+ /* master / slave tuner: master uses main pll, slave uses cal pll */
+ enum tda18271_role role;
+
+ /* use i2c gate provided by analog or digital demod */
+ enum tda18271_i2c_gate gate;
+
+ /* output options that can be disabled */
+ enum tda18271_output_options output_opt;
+
+ /* some i2c providers can't write all 39 registers at once */
+ enum tda18271_small_i2c small_i2c;
+
+ /* force rf tracking filter calibration on startup */
+ unsigned int rf_cal_on_startup:1;
+
+ /* prevent any register access during attach(),
+ * delaying both IR & RF calibration until init()
+ * module option 'cal' overrides this delay */
+ unsigned int delay_cal:1;
+
+ /* interface to saa713x / tda829x */
+ unsigned int config;
+};
+
+#define TDA18271_CALLBACK_CMD_AGC_ENABLE 0
+
+enum tda18271_mode {
+ TDA18271_ANALOG = 0,
+ TDA18271_DIGITAL,
+};
+
+#if IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA18271)
+extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
+ struct i2c_adapter *i2c,
+ struct tda18271_config *cfg);
+#else
+static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
+ u8 addr,
+ struct i2c_adapter *i2c,
+ struct tda18271_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* __TDA18271_H__ */