diff options
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 e9bfc0813c72..000000000000 --- a/include/asm-mips/dsp.h +++ /dev/null | |||
@@ -1,85 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 Mips Technologies | ||
3 | * Author: Chris Dearman, chris@mips.com derived from fpu.h | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms of the GNU General Public License as published by the | ||
7 | * Free Software Foundation; either version 2 of the License, or (at your | ||
8 | * option) any later version. | ||
9 | */ | ||
10 | #ifndef _ASM_DSP_H | ||
11 | #define _ASM_DSP_H | ||
12 | |||
13 | #include <asm/cpu.h> | ||
14 | #include <asm/cpu-features.h> | ||
15 | #include <asm/hazards.h> | ||
16 | #include <asm/mipsregs.h> | ||
17 | |||
18 | #define DSP_DEFAULT 0x00000000 | ||
19 | #define DSP_MASK 0x3ff | ||
20 | |||
21 | #define __enable_dsp_hazard() \ | ||
22 | do { \ | ||
23 | asm("_ehb"); \ | ||
24 | } while (0) | ||
25 | |||
26 | static inline void __init_dsp(void) | ||
27 | { | ||
28 | mthi1(0); | ||
29 | mtlo1(0); | ||
30 | mthi2(0); | ||
31 | mtlo2(0); | ||
32 | mthi3(0); | ||
33 | mtlo3(0); | ||
34 | wrdsp(DSP_DEFAULT, DSP_MASK); | ||
35 | } | ||
36 | |||
37 | static inline void init_dsp(void) | ||
38 | { | ||
39 | if (cpu_has_dsp) | ||
40 | __init_dsp(); | ||
41 | } | ||
42 | |||
43 | #define __save_dsp(tsk) \ | ||
44 | do { \ | ||
45 | tsk->thread.dsp.dspr[0] = mfhi1(); \ | ||
46 | tsk->thread.dsp.dspr[1] = mflo1(); \ | ||
47 | tsk->thread.dsp.dspr[2] = mfhi2(); \ | ||
48 | tsk->thread.dsp.dspr[3] = mflo2(); \ | ||
49 | tsk->thread.dsp.dspr[4] = mfhi3(); \ | ||
50 | tsk->thread.dsp.dspr[5] = mflo3(); \ | ||
51 | tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK); \ | ||
52 | } while (0) | ||
53 | |||
54 | #define save_dsp(tsk) \ | ||
55 | do { \ | ||
56 | if (cpu_has_dsp) \ | ||
57 | __save_dsp(tsk); \ | ||
58 | } while (0) | ||
59 | |||
60 | #define __restore_dsp(tsk) \ | ||
61 | do { \ | ||
62 | mthi1(tsk->thread.dsp.dspr[0]); \ | ||
63 | mtlo1(tsk->thread.dsp.dspr[1]); \ | ||
64 | mthi2(tsk->thread.dsp.dspr[2]); \ | ||
65 | mtlo2(tsk->thread.dsp.dspr[3]); \ | ||
66 | mthi3(tsk->thread.dsp.dspr[4]); \ | ||
67 | mtlo3(tsk->thread.dsp.dspr[5]); \ | ||
68 | wrdsp(tsk->thread.dsp.dspcontrol, DSP_MASK); \ | ||
69 | } while (0) | ||
70 | |||
71 | #define restore_dsp(tsk) \ | ||
72 | do { \ | ||
73 | if (cpu_has_dsp) \ | ||
74 | __restore_dsp(tsk); \ | ||
75 | } while (0) | ||
76 | |||
77 | #define __get_dsp_regs(tsk) \ | ||
78 | ({ \ | ||
79 | if (tsk == current) \ | ||
80 | __save_dsp(current); \ | ||
81 | \ | ||
82 | tsk->thread.dsp.dspr; \ | ||
83 | }) | ||
84 | |||
85 | #endif /* _ASM_DSP_H */ | ||