drivers/net/wan/cosa.h

   1 /* $Id: cosa.h,v 1.6 1999/01/06 14:02:44 kas Exp $ */
   2
   3 /*
   4  *  Copyright (C) 1995-1997  Jan "Yenya" Kasprzak <kas@fi.muni.cz>
   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 COSA_H__
  22 #define COSA_H__
  23
  24 #include <linux/ioctl.h>
  25
  26 #ifdef __KERNEL__
  27 /* status register - output bits */
  28 #define SR_RX_DMA_ENA   0x04    /* receiver DMA enable bit */
  29 #define SR_TX_DMA_ENA   0x08    /* transmitter DMA enable bit */
  30 #define SR_RST          0x10    /* SRP reset */
  31 #define SR_USR_INT_ENA  0x20    /* user interrupt enable bit */
  32 #define SR_TX_INT_ENA   0x40    /* transmitter interrupt enable bit */
  33 #define SR_RX_INT_ENA   0x80    /* receiver interrupt enable bit */
  34
  35 /* status register - input bits */
  36 #define SR_USR_RQ       0x20    /* user interrupt request pending */
  37 #define SR_TX_RDY       0x40    /* transmitter empty (ready) */
  38 #define SR_RX_RDY       0x80    /* receiver data ready */
  39
  40 #define SR_UP_REQUEST   0x02    /* request from SRP to transfer data
  41                                    up to PC */
  42 #define SR_DOWN_REQUEST 0x01    /* SRP is able to transfer data down
  43                                    from PC to SRP */
  44 #define SR_END_OF_TRANSFER      0x03    /* SRP signalize end of
  45                                            transfer (up or down) */
  46
  47 #define SR_CMD_FROM_SRP_MASK    0x03    /* mask to get SRP command */
  48
  49 /* bits in driver status byte definitions : */
  50 #define SR_RDY_RCV      0x01    /* ready to receive packet */
  51 #define SR_RDY_SND      0x02    /* ready to send packet */
  52 #define SR_CMD_PND      0x04    /* command pending */ /* not currently used */
  53
  54 /* ???? */
  55 #define SR_PKT_UP       0x01    /* transfer of packet up in progress */
  56 #define SR_PKT_DOWN     0x02    /* transfer of packet down in progress */
  57
  58 #endif /* __KERNEL__ */
  59
  60 #define SR_LOAD_ADDR    0x4400  /* SRP microcode load address */
  61 #define SR_START_ADDR   0x4400  /* SRP microcode start address */
  62
  63 #define COSA_LOAD_ADDR    0x400  /* SRP microcode load address */
  64 #define COSA_MAX_FIRMWARE_SIZE  0x10000
  65
  66 /* ioctls */
  67 struct cosa_download {
  68         int addr, len;
  69         char __user *code;
  70 };
  71
  72 /* Reset the device */
  73 #define COSAIORSET      _IO('C',0xf0)
  74
  75 /* Start microcode at given address */
  76 #define COSAIOSTRT      _IOW('C',0xf1, int)
  77
  78 /* Read the block from the device memory */
  79 #define COSAIORMEM      _IOWR('C',0xf2, struct cosa_download *)
  80         /* actually the struct cosa_download itself; this is to keep
  81          * the ioctl number same as in 2.4 in order to keep the user-space
  82          * utils compatible. */
  83
  84 /* Write the block to the device memory (i.e. download the microcode) */
  85 #define COSAIODOWNLD    _IOW('C',0xf2, struct cosa_download *)
  86         /* actually the struct cosa_download itself; this is to keep
  87          * the ioctl number same as in 2.4 in order to keep the user-space
  88          * utils compatible. */
  89
  90 /* Read the device type (one of "srp", "cosa", and "cosa8" for now) */
  91 #define COSAIORTYPE     _IOR('C',0xf3, char *)
  92
  93 /* Read the device identification string */
  94 #define COSAIORIDSTR    _IOR('C',0xf4, char *)
  95 /* Maximum length of the identification string. */
  96 #define COSA_MAX_ID_STRING 128
  97
  98 /* Increment/decrement the module usage count :-) */
  99 /* #define COSAIOMINC   _IO('C',0xf5) */
 100 /* #define COSAIOMDEC   _IO('C',0xf6) */
 101
 102 /* Get the total number of cards installed */
 103 #define COSAIONRCARDS   _IO('C',0xf7)
 104
 105 /* Get the number of channels on this card */
 106 #define COSAIONRCHANS   _IO('C',0xf8)
 107
 108 /* Set the driver for the bus-master operations */
 109 #define COSAIOBMSET     _IOW('C', 0xf9, unsigned short)
 110
 111 #define COSA_BM_OFF     0       /* Bus-mastering off - use ISA DMA (default) */
 112 #define COSA_BM_ON      1       /* Bus-mastering on - faster but untested */
 113
 114 /* Gets the busmaster status */
 115 #define COSAIOBMGET     _IO('C', 0xfa)
 116
 117 #endif /* !COSA_H__ */