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 __user *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) */ 36