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4d1ab185db
TS clock inversion in config. Signed-off-by: Evgeny Plehov <EvgenyPlehov@ukr.net> Reviewed-by: Antti Palosaari <crope@iki.fi> Acked-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
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* Sony CXD2820R demodulator driver
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*
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* Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef CXD2820R_H
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#define CXD2820R_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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#define CXD2820R_GPIO_D (0 << 0) /* disable */
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#define CXD2820R_GPIO_E (1 << 0) /* enable */
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#define CXD2820R_GPIO_O (0 << 1) /* output */
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#define CXD2820R_GPIO_I (1 << 1) /* input */
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#define CXD2820R_GPIO_L (0 << 2) /* output low */
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#define CXD2820R_GPIO_H (1 << 2) /* output high */
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#define CXD2820R_TS_SERIAL 0x08
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#define CXD2820R_TS_SERIAL_MSB 0x28
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#define CXD2820R_TS_PARALLEL 0x30
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#define CXD2820R_TS_PARALLEL_MSB 0x70
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struct cxd2820r_config {
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/* Demodulator I2C address.
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* Driver determines DVB-C slave I2C address automatically from master
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* address.
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* Default: none, must set
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* Values: 0x6c, 0x6d
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*/
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u8 i2c_address;
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/* TS output mode.
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* Default: none, must set.
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* Values:
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*/
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u8 ts_mode;
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/* TS clock inverted.
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* Default: 0
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* Values: 0, 1
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*/
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bool ts_clock_inv;
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/* IF AGC polarity.
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* Default: 0
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* Values: 0, 1
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*/
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bool if_agc_polarity;
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/* Spectrum inversion.
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* Default: 0
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* Values: 0, 1
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*/
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bool spec_inv;
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};
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#if IS_ENABLED(CONFIG_DVB_CXD2820R)
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extern struct dvb_frontend *cxd2820r_attach(
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const struct cxd2820r_config *config,
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struct i2c_adapter *i2c,
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int *gpio_chip_base
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);
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#else
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static inline struct dvb_frontend *cxd2820r_attach(
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const struct cxd2820r_config *config,
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struct i2c_adapter *i2c,
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int *gpio_chip_base
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)
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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 /* CXD2820R_H */
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