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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $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__ */