diff options
Diffstat (limited to 'drivers/media/dvb-frontends/atbm8830.h')
| -rw-r--r-- | drivers/media/dvb-frontends/atbm8830.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/atbm8830.h b/drivers/media/dvb-frontends/atbm8830.h new file mode 100644 index 000000000..7cb0d982f --- /dev/null +++ b/drivers/media/dvb-frontends/atbm8830.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator + * ATBM8830, ATBM8831 + * + * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com> + */ + +#ifndef __ATBM8830_H__ +#define __ATBM8830_H__ + +#include <linux/dvb/frontend.h> +#include <linux/i2c.h> + +#define ATBM8830_PROD_8830 0 +#define ATBM8830_PROD_8831 1 + +struct atbm8830_config { + + /* product type */ + u8 prod; + + /* the demodulator's i2c address */ + u8 demod_address; + + /* parallel or serial transport stream */ + u8 serial_ts; + + /* transport stream clock output only when receiving valid stream */ + u8 ts_clk_gated; + + /* Decoder sample TS data at rising edge of clock */ + u8 ts_sampling_edge; + + /* Oscillator clock frequency */ + u32 osc_clk_freq; /* in kHz */ + + /* IF frequency */ + u32 if_freq; /* in kHz */ + + /* Swap I/Q for zero IF */ + u8 zif_swap_iq; + + /* Tuner AGC settings */ + u8 agc_min; + u8 agc_max; + u8 agc_hold_loop; +}; + +#if IS_REACHABLE(CONFIG_DVB_ATBM8830) +extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, + struct i2c_adapter *i2c); +#else +static inline +struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, + struct i2c_adapter *i2c) { + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_ATBM8830 */ + +#endif /* __ATBM8830_H__ */ |