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1 | #ifndef __NOUVEAU_GRCTX_H__ |
2 | #define __NOUVEAU_GRCTX_H__ | |
3 | ||
4 | struct nouveau_grctx { | |
ebb945a9 | 5 | struct nouveau_device *device; |
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6 | |
7 | enum { | |
8 | NOUVEAU_GRCTX_PROG, | |
9 | NOUVEAU_GRCTX_VALS | |
10 | } mode; | |
11 | void *data; | |
12 | ||
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13 | u32 ctxprog_max; |
14 | u32 ctxprog_len; | |
15 | u32 ctxprog_reg; | |
16 | int ctxprog_label[32]; | |
17 | u32 ctxvals_pos; | |
18 | u32 ctxvals_base; | |
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19 | }; |
20 | ||
054b93e4 | 21 | static inline void |
ebb945a9 | 22 | cp_out(struct nouveau_grctx *ctx, u32 inst) |
054b93e4 | 23 | { |
ebb945a9 | 24 | u32 *ctxprog = ctx->data; |
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25 | |
26 | if (ctx->mode != NOUVEAU_GRCTX_PROG) | |
27 | return; | |
28 | ||
29 | BUG_ON(ctx->ctxprog_len == ctx->ctxprog_max); | |
30 | ctxprog[ctx->ctxprog_len++] = inst; | |
31 | } | |
32 | ||
33 | static inline void | |
ebb945a9 | 34 | cp_lsr(struct nouveau_grctx *ctx, u32 val) |
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35 | { |
36 | cp_out(ctx, CP_LOAD_SR | val); | |
37 | } | |
38 | ||
39 | static inline void | |
ebb945a9 | 40 | cp_ctx(struct nouveau_grctx *ctx, u32 reg, u32 length) |
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41 | { |
42 | ctx->ctxprog_reg = (reg - 0x00400000) >> 2; | |
43 | ||
44 | ctx->ctxvals_base = ctx->ctxvals_pos; | |
45 | ctx->ctxvals_pos = ctx->ctxvals_base + length; | |
46 | ||
47 | if (length > (CP_CTX_COUNT >> CP_CTX_COUNT_SHIFT)) { | |
48 | cp_lsr(ctx, length); | |
49 | length = 0; | |
50 | } | |
51 | ||
52 | cp_out(ctx, CP_CTX | (length << CP_CTX_COUNT_SHIFT) | ctx->ctxprog_reg); | |
53 | } | |
54 | ||
55 | static inline void | |
56 | cp_name(struct nouveau_grctx *ctx, int name) | |
57 | { | |
ebb945a9 | 58 | u32 *ctxprog = ctx->data; |
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59 | int i; |
60 | ||
61 | if (ctx->mode != NOUVEAU_GRCTX_PROG) | |
62 | return; | |
63 | ||
64 | ctx->ctxprog_label[name] = ctx->ctxprog_len; | |
65 | for (i = 0; i < ctx->ctxprog_len; i++) { | |
66 | if ((ctxprog[i] & 0xfff00000) != 0xff400000) | |
67 | continue; | |
68 | if ((ctxprog[i] & CP_BRA_IP) != ((name) << CP_BRA_IP_SHIFT)) | |
69 | continue; | |
70 | ctxprog[i] = (ctxprog[i] & 0x00ff00ff) | | |
71 | (ctx->ctxprog_len << CP_BRA_IP_SHIFT); | |
72 | } | |
73 | } | |
74 | ||
75 | static inline void | |
76 | _cp_bra(struct nouveau_grctx *ctx, u32 mod, int flag, int state, int name) | |
77 | { | |
78 | int ip = 0; | |
79 | ||
80 | if (mod != 2) { | |
81 | ip = ctx->ctxprog_label[name] << CP_BRA_IP_SHIFT; | |
82 | if (ip == 0) | |
83 | ip = 0xff000000 | (name << CP_BRA_IP_SHIFT); | |
84 | } | |
85 | ||
86 | cp_out(ctx, CP_BRA | (mod << 18) | ip | flag | | |
87 | (state ? 0 : CP_BRA_IF_CLEAR)); | |
88 | } | |
0b89a072 | 89 | #define cp_bra(c, f, s, n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n) |
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90 | #define cp_cal(c, f, s, n) _cp_bra((c), 1, CP_FLAG_##f, CP_FLAG_##f##_##s, n) |
91 | #define cp_ret(c, f, s) _cp_bra((c), 2, CP_FLAG_##f, CP_FLAG_##f##_##s, 0) | |
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92 | |
93 | static inline void | |
94 | _cp_wait(struct nouveau_grctx *ctx, int flag, int state) | |
95 | { | |
96 | cp_out(ctx, CP_WAIT | flag | (state ? CP_WAIT_SET : 0)); | |
97 | } | |
0b89a072 | 98 | #define cp_wait(c, f, s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s) |
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99 | |
100 | static inline void | |
101 | _cp_set(struct nouveau_grctx *ctx, int flag, int state) | |
102 | { | |
103 | cp_out(ctx, CP_SET | flag | (state ? CP_SET_1 : 0)); | |
104 | } | |
0b89a072 | 105 | #define cp_set(c, f, s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s) |
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106 | |
107 | static inline void | |
108 | cp_pos(struct nouveau_grctx *ctx, int offset) | |
109 | { | |
110 | ctx->ctxvals_pos = offset; | |
111 | ctx->ctxvals_base = ctx->ctxvals_pos; | |
112 | ||
113 | cp_lsr(ctx, ctx->ctxvals_pos); | |
114 | cp_out(ctx, CP_SET_CONTEXT_POINTER); | |
115 | } | |
116 | ||
117 | static inline void | |
ebb945a9 | 118 | gr_def(struct nouveau_grctx *ctx, u32 reg, u32 val) |
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119 | { |
120 | if (ctx->mode != NOUVEAU_GRCTX_VALS) | |
121 | return; | |
122 | ||
123 | reg = (reg - 0x00400000) / 4; | |
124 | reg = (reg - ctx->ctxprog_reg) + ctx->ctxvals_base; | |
125 | ||
b3beb167 | 126 | nv_wo32(ctx->data, reg * 4, val); |
054b93e4 | 127 | } |
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128 | |
129 | #endif |