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 */
 67struct 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__ */