diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h new file mode 100644 index 000000000..87c1b1642 --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h @@ -0,0 +1,74 @@ +/* + * mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner + * + * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org> + * + * 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. + */ + +#ifndef __MXL111SF_TUNER_H__ +#define __MXL111SF_TUNER_H__ + +#include <media/dvb_frontend.h> +#include "mxl111sf.h" + +enum mxl_if_freq { +#if 0 + MXL_IF_LO = 0x00, /* other IF < 9MHz */ +#endif + MXL_IF_4_0 = 0x01, /* 4.0 MHz */ + MXL_IF_4_5 = 0x02, /* 4.5 MHz */ + MXL_IF_4_57 = 0x03, /* 4.57 MHz */ + MXL_IF_5_0 = 0x04, /* 5.0 MHz */ + MXL_IF_5_38 = 0x05, /* 5.38 MHz */ + MXL_IF_6_0 = 0x06, /* 6.0 MHz */ + MXL_IF_6_28 = 0x07, /* 6.28 MHz */ + MXL_IF_7_2 = 0x08, /* 7.2 MHz */ + MXL_IF_35_25 = 0x09, /* 35.25 MHz */ + MXL_IF_36 = 0x0a, /* 36 MHz */ + MXL_IF_36_15 = 0x0b, /* 36.15 MHz */ + MXL_IF_44 = 0x0c, /* 44 MHz */ +#if 0 + MXL_IF_HI = 0x0f, /* other IF > 35 MHz and < 45 MHz */ +#endif +}; + +struct mxl111sf_tuner_config { + enum mxl_if_freq if_freq; + unsigned int invert_spectrum:1; + + 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); + int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff); + int (*ant_hunt)(struct dvb_frontend *fe); +}; + +/* ------------------------------------------------------------------------ */ + +#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF) +extern +struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, + struct mxl111sf_state *mxl_state, + const struct mxl111sf_tuner_config *cfg); +#else +static inline +struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, + struct mxl111sf_state *mxl_state, + const struct mxl111sf_tuner_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* __MXL111SF_TUNER_H__ */ |