LXR linux/drivers/media/usb/dvb-usb-v2/mxl111sf-tuner.h

   1/*
   2 *  mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner
   3 *
   4 *  Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
   5 *
   6 *  This program is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2 of the License, or
   9 *  (at your option) any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, write to the Free Software
  18 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21#ifndef __MXL111SF_TUNER_H__
  22#define __MXL111SF_TUNER_H__
  23
  24#include <linux/kconfig.h>
  25#include "dvb_frontend.h"
  26#include "mxl111sf.h"
  27
  28enum mxl_if_freq {
  29#if 0
  30        MXL_IF_LO    = 0x00, /* other IF < 9MHz */
  31#endif
  32        MXL_IF_4_0   = 0x01, /* 4.0   MHz */
  33        MXL_IF_4_5   = 0x02, /* 4.5   MHz */
  34        MXL_IF_4_57  = 0x03, /* 4.57  MHz */
  35        MXL_IF_5_0   = 0x04, /* 5.0   MHz */
  36        MXL_IF_5_38  = 0x05, /* 5.38  MHz */
  37        MXL_IF_6_0   = 0x06, /* 6.0   MHz */
  38        MXL_IF_6_28  = 0x07, /* 6.28  MHz */
  39        MXL_IF_7_2   = 0x08, /* 7.2   MHz */
  40        MXL_IF_35_25 = 0x09, /* 35.25 MHz */
  41        MXL_IF_36    = 0x0a, /* 36    MHz */
  42        MXL_IF_36_15 = 0x0b, /* 36.15 MHz */
  43        MXL_IF_44    = 0x0c, /* 44    MHz */
  44#if 0
  45        MXL_IF_HI    = 0x0f, /* other IF > 35 MHz and < 45 MHz */
  46#endif
  47};
  48
  49struct mxl111sf_tuner_config {
  50        enum mxl_if_freq if_freq;
  51        unsigned int invert_spectrum:1;
  52
  53        int (*read_reg)(struct mxl111sf_state *state, u8 addr, u8 *data);
  54        int (*write_reg)(struct mxl111sf_state *state, u8 addr, u8 data);
  55        int (*program_regs)(struct mxl111sf_state *state,
  56                            struct mxl111sf_reg_ctrl_info *ctrl_reg_info);
  57        int (*top_master_ctrl)(struct mxl111sf_state *state, int onoff);
  58        int (*ant_hunt)(struct dvb_frontend *fe);
  59};
  60
  61/* ------------------------------------------------------------------------ */
  62
  63#if IS_ENABLED(CONFIG_DVB_USB_MXL111SF)
  64extern
  65struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
  66                                           struct mxl111sf_state *mxl_state,
  67                                           struct mxl111sf_tuner_config *cfg);
  68#else
  69static inline
  70struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
  71                                           struct mxl111sf_state *mxl_state
  72                                           struct mxl111sf_tuner_config *cfg)
  73{
  74        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  75        return NULL;
  76}
  77#endif
  78
  79#endif /* __MXL111SF_TUNER_H__ */
  80
  81/*
  82 * Overrides for Emacs so that we follow Linus's tabbing style.
  83 * ---------------------------------------------------------------------------
  84 * Local variables:
  85 * c-basic-offset: 8
  86 * End:
  87 */
  88
  89