ics_dev.h

软件无线电的平台

/***************************************************************************
             ics.h  -  ICS-5x4 driver
                            -------------------
    begin                :  2003
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef ICS_DEV_H__
#define ICS_DEV_H__

#include "antenna.h"

extern int number_channels;

#define ADA_PER_BOARD 4

struct ics_dev {
  swr_ant_param_t *params[ADA_PER_BOARD];
  struct pci_dev *dev;
  void *iobase[6];
  unsigned long hwbase[6];
  unsigned int iosize[6];
  unsigned long iotype[6];
  int iomapped[6];
  pthread_mutex_t mutex;
  int flags;
  int irq;
  // Number of DACs used
  int number_channels;
  // Block size in symbols
  u32 block_size;
  // Frame size in blocks
  u32 blocks_per_frame;
  u64 block_count;
  u64 frame_count;
};

extern struct ics_dev board_tx;
extern struct ics_dev board_rx;

#define ICS_VENDOR      0x11E3
#define ICS_DEVICE      0x0006
#define ICS_SUB_VEN     0x1464
#define ICS_SUB_DEV_564 0x0564
#define ICS_SUB_DEV_554 0x0554
#define rtl_udelay(x) rtl_delay((x)*1000)

// Refer to the manual for the ICS564. This gives an output-sampling
// rate of 200MS/s at a carrier-frequency of 70MHz with an input-sample
// rate of 5CMS/s (ComplexMegaSamples/second)
#define PLL_MULT             0x4
#define CARRIER_MHZ 21.4
#define CARRIER_FREQUENCY_23 0x1dddddddU*2
#define CARRIER_FREQUENCY_25n 0x1fffffffU*2
#define CARRIER_FREQUENCY_25 0x20000000U*2
#define CARRIER_FREQUENCY_70 0x59999999U*2
#define CIC_INTERPOLATION    0x5
#define BOARD_BLOCK_SIZE 16
#define SAMPLE_PERIOD_NS 500
#define RF_SYNCH_IN 25
#define RF_SYNCH_R 40
#define RF_SYNCH_N(f_out) ( (f_out) * RF_SYNCH_R / RF_SYNCH_IN / 2 )

/**
 * Initialises the ics-driver
 *
 * @return 0 for OK, -1 for error
 */
int init_dev( void );
int swr_init_dev( void );

int ics_get_board ( struct ics_dev *board, unsigned int device,
		    unsigned int (*irq_handler)(unsigned int, struct pt_regs *) );
/**
 * Cleans up the driver - mostly iounmaps the memories
 */
void clean_dev( void );
#endif