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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-m68k/dsp56k.h - defines and declarations for | |
3 | * DSP56k device driver | |
4 | * | |
5 | * Copyright (C) 1996,1997 Fredrik Noring, lars brinkhoff & Tomas Berndtsson | |
6 | * | |
7 | * This file is subject to the terms and conditions of the GNU General Public | |
8 | * License. See the file COPYING in the main directory of this archive | |
9 | * for more details. | |
10 | */ | |
11 | ||
12 | ||
13 | /* Used for uploading DSP binary code */ | |
14 | struct dsp56k_upload { | |
15 | int len; | |
d85f6891 | 16 | char __user *bin; |
1da177e4 LT |
17 | }; |
18 | ||
19 | /* For the DSP host flags */ | |
20 | struct dsp56k_host_flags { | |
21 | int dir; /* Bit field. 1 = write output bit, 0 = do nothing. | |
22 | * 0x0000 means reading only, 0x0011 means | |
23 | * writing the bits stored in `out' on HF0 and HF1. | |
24 | * Note that HF2 and HF3 can only be read. | |
25 | */ | |
26 | int out; /* Bit field like above. */ | |
27 | int status; /* Host register's current state is returned */ | |
28 | }; | |
29 | ||
30 | /* ioctl command codes */ | |
31 | #define DSP56K_UPLOAD 1 /* Upload DSP binary program */ | |
32 | #define DSP56K_SET_TX_WSIZE 2 /* Host transmit word size (1-4) */ | |
33 | #define DSP56K_SET_RX_WSIZE 3 /* Host receive word size (1-4) */ | |
34 | #define DSP56K_HOST_FLAGS 4 /* Host flag registers */ | |
35 | #define DSP56K_HOST_CMD 5 /* Trig Host Command (0-31) */ |