/* * 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) */