1/* $Id: cosa.h,v 1.6 1999/01/06 14:02:44 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__ */ 118