2005-04-16 15:20:36 -07:00
|
|
|
/*
|
|
|
|
|
* 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;
|
2006-01-12 01:06:31 -08:00
|
|
|
char __user *bin;
|
2005-04-16 15:20:36 -07:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* 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) */
|
