diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h b/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h new file mode 100644 index 000000000..b86f65e50 --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-demod.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator + * + * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org> + */ + +#ifndef __MXL111SF_DEMOD_H__ +#define __MXL111SF_DEMOD_H__ + +#include <media/dvb_frontend.h> +#include "mxl111sf.h" + +struct mxl111sf_demod_config { + int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data); + int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data); + int (*program_regs)(struct mxl111sf_state *state, + struct mxl111sf_reg_ctrl_info *ctrl_reg_info); +}; + +#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) +extern +struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, + const struct mxl111sf_demod_config *cfg); +#else +static inline +struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state, + const struct mxl111sf_demod_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif /* CONFIG_DVB_USB_MXL111SF */ + +#endif /* __MXL111SF_DEMOD_H__ */ |