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File: [Development] / linux-2.6-xfs / include / asm-m68k / dsp56k.h (download)

Revision 1.2, Wed Jan 25 00:04:14 2006 UTC (11 years, 8 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +1 -1 lines

Merge up to 2.6.16-rc1

/*
 * 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)        */