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