aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-m68k/dsp56k.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-m68k/dsp56k.h')
-rw-r--r--include/asm-m68k/dsp56k.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-m68k/dsp56k.h b/include/asm-m68k/dsp56k.h
new file mode 100644
index 000000000000..ab3dd33e23a1
--- /dev/null
+++ b/include/asm-m68k/dsp56k.h
@@ -0,0 +1,35 @@
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 */
14struct dsp56k_upload {
15 int len;
16 char *bin;
17};
18
19/* For the DSP host flags */
20struct 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) */