f571e004c3
Rewrite whole af9013 demod driver in order to decrease I2C I/O. We need to decrease I2C load since AF9015 (I2C adapter / USB-bridge used) seems to have some problems under heavy I2C traffic. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/*
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* Afatech AF9013 demodulator driver
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*
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* Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
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* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
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*
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* Thanks to Afatech who kindly provided information.
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*
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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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*
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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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*
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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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*/
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#ifndef AF9013_H
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#define AF9013_H
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#include <linux/dvb/frontend.h>
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/* AF9013/5 GPIOs (mostly guessed)
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demod#1-gpio#0 - set demod#2 i2c-addr for dual devices
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demod#1-gpio#1 - xtal setting (?)
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demod#1-gpio#3 - tuner#1
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demod#2-gpio#0 - tuner#2
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demod#2-gpio#1 - xtal setting (?)
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*/
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struct af9013_config {
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/*
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* I2C address
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*/
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u8 i2c_addr;
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/*
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* clock
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* 20480000, 25000000, 28000000, 28800000
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*/
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u32 clock;
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/*
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* tuner
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*/
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#define AF9013_TUNER_MXL5003D 3 /* MaxLinear */
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#define AF9013_TUNER_MXL5005D 13 /* MaxLinear */
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#define AF9013_TUNER_MXL5005R 30 /* MaxLinear */
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#define AF9013_TUNER_ENV77H11D5 129 /* Panasonic */
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#define AF9013_TUNER_MT2060 130 /* Microtune */
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#define AF9013_TUNER_MC44S803 133 /* Freescale */
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#define AF9013_TUNER_QT1010 134 /* Quantek */
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#define AF9013_TUNER_UNKNOWN 140 /* for can tuners ? */
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#define AF9013_TUNER_MT2060_2 147 /* Microtune */
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#define AF9013_TUNER_TDA18271 156 /* NXP */
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#define AF9013_TUNER_QT1010A 162 /* Quantek */
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#define AF9013_TUNER_MXL5007T 177 /* MaxLinear */
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#define AF9013_TUNER_TDA18218 179 /* NXP */
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u8 tuner;
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/*
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* IF frequency
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*/
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u32 if_frequency;
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/*
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* TS settings
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*/
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#define AF9013_TS_USB 0
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#define AF9013_TS_PARALLEL 1
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#define AF9013_TS_SERIAL 2
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u8 ts_mode:2;
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/*
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* input spectrum inversion
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*/
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bool spec_inv;
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/*
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* firmware API version
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*/
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u8 api_version[4];
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/*
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* GPIOs
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*/
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#define AF9013_GPIO_ON (1 << 0)
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#define AF9013_GPIO_EN (1 << 1)
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#define AF9013_GPIO_O (1 << 2)
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#define AF9013_GPIO_I (1 << 3)
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#define AF9013_GPIO_LO (AF9013_GPIO_ON|AF9013_GPIO_EN)
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#define AF9013_GPIO_HI (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
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#define AF9013_GPIO_TUNER_ON (AF9013_GPIO_ON|AF9013_GPIO_EN)
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#define AF9013_GPIO_TUNER_OFF (AF9013_GPIO_ON|AF9013_GPIO_EN|AF9013_GPIO_O)
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u8 gpio[4];
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};
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#if defined(CONFIG_DVB_AF9013) || \
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(defined(CONFIG_DVB_AF9013_MODULE) && defined(MODULE))
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extern struct dvb_frontend *af9013_attach(const struct af9013_config *config,
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struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *af9013_attach(
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const struct af9013_config *config, struct i2c_adapter *i2c)
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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 /* CONFIG_DVB_AF9013 */
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#endif /* AF9013_H */
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