diff options
Diffstat (limited to 'drivers/media/dvb-frontends/cxd2820r.h')
| -rw-r--r-- | drivers/media/dvb-frontends/cxd2820r.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/cxd2820r.h b/drivers/media/dvb-frontends/cxd2820r.h new file mode 100644 index 000000000000..6acc21c581c5 --- /dev/null +++ b/drivers/media/dvb-frontends/cxd2820r.h @@ -0,0 +1,88 @@ +/* + * Sony CXD2820R demodulator driver + * + * Copyright (C) 2010 Antti Palosaari <crope@iki.fi> + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + + +#ifndef CXD2820R_H +#define CXD2820R_H + +#include <linux/dvb/frontend.h> + +#define CXD2820R_GPIO_D (0 << 0) /* disable */ +#define CXD2820R_GPIO_E (1 << 0) /* enable */ +#define CXD2820R_GPIO_O (0 << 1) /* output */ +#define CXD2820R_GPIO_I (1 << 1) /* input */ +#define CXD2820R_GPIO_L (0 << 2) /* output low */ +#define CXD2820R_GPIO_H (1 << 2) /* output high */ + +#define CXD2820R_TS_SERIAL 0x08 +#define CXD2820R_TS_SERIAL_MSB 0x28 +#define CXD2820R_TS_PARALLEL 0x30 +#define CXD2820R_TS_PARALLEL_MSB 0x70 + +struct cxd2820r_config { + /* Demodulator I2C address. + * Driver determines DVB-C slave I2C address automatically from master + * address. + * Default: none, must set + * Values: 0x6c, 0x6d + */ + u8 i2c_address; + + /* TS output mode. + * Default: none, must set. + * Values: + */ + u8 ts_mode; + + /* IF AGC polarity. + * Default: 0 + * Values: 0, 1 + */ + bool if_agc_polarity; + + /* Spectrum inversion. + * Default: 0 + * Values: 0, 1 + */ + bool spec_inv; +}; + + +#if defined(CONFIG_DVB_CXD2820R) || \ + (defined(CONFIG_DVB_CXD2820R_MODULE) && defined(MODULE)) +extern struct dvb_frontend *cxd2820r_attach( + const struct cxd2820r_config *config, + struct i2c_adapter *i2c, + int *gpio_chip_base +); +#else +static inline struct dvb_frontend *cxd2820r_attach( + const struct cxd2820r_config *config, + struct i2c_adapter *i2c, + int *gpio_chip_base +) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + +#endif + +#endif /* CXD2820R_H */ |