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Diffstat (limited to 'include/asm-mips/dsp.h')
-rw-r--r-- | include/asm-mips/dsp.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/include/asm-mips/dsp.h b/include/asm-mips/dsp.h deleted file mode 100644 index e9bfc08..0000000 --- a/include/asm-mips/dsp.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright (C) 2005 Mips Technologies - * Author: Chris Dearman, chris@mips.com derived from fpu.h - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#ifndef _ASM_DSP_H -#define _ASM_DSP_H - -#include <asm/cpu.h> -#include <asm/cpu-features.h> -#include <asm/hazards.h> -#include <asm/mipsregs.h> - -#define DSP_DEFAULT 0x00000000 -#define DSP_MASK 0x3ff - -#define __enable_dsp_hazard() \ -do { \ - asm("_ehb"); \ -} while (0) - -static inline void __init_dsp(void) -{ - mthi1(0); - mtlo1(0); - mthi2(0); - mtlo2(0); - mthi3(0); - mtlo3(0); - wrdsp(DSP_DEFAULT, DSP_MASK); -} - -static inline void init_dsp(void) -{ - if (cpu_has_dsp) - __init_dsp(); -} - -#define __save_dsp(tsk) \ -do { \ - tsk->thread.dsp.dspr[0] = mfhi1(); \ - tsk->thread.dsp.dspr[1] = mflo1(); \ - tsk->thread.dsp.dspr[2] = mfhi2(); \ - tsk->thread.dsp.dspr[3] = mflo2(); \ - tsk->thread.dsp.dspr[4] = mfhi3(); \ - tsk->thread.dsp.dspr[5] = mflo3(); \ - tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK); \ -} while (0) - -#define save_dsp(tsk) \ -do { \ - if (cpu_has_dsp) \ - __save_dsp(tsk); \ -} while (0) - -#define __restore_dsp(tsk) \ -do { \ - mthi1(tsk->thread.dsp.dspr[0]); \ - mtlo1(tsk->thread.dsp.dspr[1]); \ - mthi2(tsk->thread.dsp.dspr[2]); \ - mtlo2(tsk->thread.dsp.dspr[3]); \ - mthi3(tsk->thread.dsp.dspr[4]); \ - mtlo3(tsk->thread.dsp.dspr[5]); \ - wrdsp(tsk->thread.dsp.dspcontrol, DSP_MASK); \ -} while (0) - -#define restore_dsp(tsk) \ -do { \ - if (cpu_has_dsp) \ - __restore_dsp(tsk); \ -} while (0) - -#define __get_dsp_regs(tsk) \ -({ \ - if (tsk == current) \ - __save_dsp(current); \ - \ - tsk->thread.dsp.dspr; \ -}) - -#endif /* _ASM_DSP_H */ |