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