diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-22 17:59:49 +0100 |
commit | 2702e0a46c2d28da92b32c9b068ee1291fc0de35 (patch) | |
tree | c1e9868a4b91beeebd5f4e820588bc2ae8371911 /arch/m68k/include/asm/dsp56k.h | |
parent | 42bb8cc5e81028e217105299001070d57eb84ad7 (diff) | |
parent | adfafefd104d840ee4461965f22624d77532675b (diff) |
Merge branch 'linus' into timers/hpet
Diffstat (limited to 'arch/m68k/include/asm/dsp56k.h')
-rw-r--r-- | arch/m68k/include/asm/dsp56k.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/dsp56k.h b/arch/m68k/include/asm/dsp56k.h new file mode 100644 index 00000000000..2d8c0c9f794 --- /dev/null +++ b/arch/m68k/include/asm/dsp56k.h @@ -0,0 +1,35 @@ +/* + * 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) */ |