diff options
Diffstat (limited to 'drivers/media/dvb-frontends/drxd.h')
| -rw-r--r-- | drivers/media/dvb-frontends/drxd.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drxd.h b/drivers/media/dvb-frontends/drxd.h new file mode 100644 index 000000000..ba54fd9ad --- /dev/null +++ b/drivers/media/dvb-frontends/drxd.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * drxd.h: DRXD DVB-T demodulator driver + * + * Copyright (C) 2005-2007 Micronas + */ + +#ifndef _DRXD_H_ +#define _DRXD_H_ + +#include <linux/types.h> +#include <linux/i2c.h> + +struct drxd_config { + u8 index; + + u8 pll_address; + u8 pll_type; +#define DRXD_PLL_NONE 0 +#define DRXD_PLL_DTT7520X 1 +#define DRXD_PLL_MT3X0823 2 + + u32 clock; + u8 insert_rs_byte; + + u8 demod_address; + u8 demoda_address; + u8 demod_revision; + + /* If the tuner is not behind an i2c gate, be sure to flip this bit + or else the i2c bus could get wedged */ + u8 disable_i2c_gate_ctrl; + + u32 IF; + s16(*osc_deviation) (void *priv, s16 dev, int flag); +}; + +#if IS_REACHABLE(CONFIG_DVB_DRXD) +extern +struct dvb_frontend *drxd_attach(const struct drxd_config *config, + void *priv, struct i2c_adapter *i2c, + struct device *dev); +#else +static inline +struct dvb_frontend *drxd_attach(const struct drxd_config *config, + void *priv, struct i2c_adapter *i2c, + struct device *dev) +{ + printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n", + __func__); + return NULL; +} +#endif + +#endif |