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) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
   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
  28 enum 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
  49 struct 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)
  64 extern
  65 struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
  66                                            struct mxl111sf_state *mxl_state,
  67                                            struct mxl111sf_tuner_config *cfg);
  68 #else
  69 static inline
  70 struct 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__ */