| /* | |
| * 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) */ |