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1da177e4 LT |
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__ */ |