include/asm-nios2nommu/spi.h

   1 #ifndef _ASM_SPI_H_
   2 #define _ASM_SPI_H_ 1
   3
   4 /*--------------------------------------------------------------------
   5  *
   6  * include/asm-nios2nommu/spi.h
   7  *
   8  * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
   9  *
  10  * Copyright (C) 2004   Microtronix Datacom Ltd
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  *
  23  * Jan/20/2004          dgt         NiosII
  24  *
  25  ---------------------------------------------------------------------*/
  26
  27
  28 #include <asm/nios.h>
  29
  30 int  register_NIOS_SPI( void );
  31 void unregister_NIOS_SPI( void );
  32
  33 #if defined(MODULE)
  34 void cleanup_module( void );
  35 int  init_module( void );
  36 #endif
  37
  38 #if defined(__KERNEL__)
  39 int  spi_reset  ( void );
  40 #endif
  41
  42
  43 #define clockCS 0x01
  44 #define temperatureCS 0x02
  45
  46 #define clock_read_base 0x00
  47 #define clock_write_base 0x80
  48 #define clock_read_control 0x0F
  49 #define clock_read_trickle 0x11
  50
  51 #define clock_read_sec 0x00
  52 #define clock_read_min 0x01
  53 #define clock_read_hour 0x02
  54 #define clock_read_day 0x03
  55 #define clock_read_date 0x04
  56 #define clock_read_month 0x05
  57 #define clock_read_year 0x06
  58
  59 #define clock_write_control 0x8F
  60 #define clock_write_trickle 0x91
  61 #define clock_write_sec 0x80
  62 #define clock_write_min 0x81
  63 #define clock_write_hour 0x82
  64 #define clock_write_day 0x83
  65 #define clock_write_date 0x84
  66 #define clock_write_month 0x85
  67 #define clock_write_year 0x86
  68
  69 #define clock_write_ram_start 0xA0
  70 #define clock_write_ram_end 0x100
  71 #define clock_read_ram_start 0x20
  72 #define clock_read_ram_end 0x80
  73
  74
  75 #define clock_sec_def 0x11
  76 #define clock_min_def 0x59
  77 #define clock_hour_def 0x71
  78 #define clock_day_def 0x00
  79 #define clock_date_def 0x20
  80 #define clock_month_def 0x12
  81 #define clock_year_def 0x34
  82
  83 #define temp_read_base 0x00
  84 #define temp_write_base 0x80
  85 #define temp_read_control 0x00
  86 #define temp_write_control 0x80
  87 #define temp_read_msb 0x02
  88 #define temp_read_lsb 0x01
  89
  90 #define MAX_TEMP_VAR 10
  91
  92 #endif /*_ASM_SPI_H_*/