| 1 | #ifndef __NOUVEAU_GRCTX_H__ |
| 2 | #define __NOUVEAU_GRCTX_H__ |
| 3 | |
| 4 | struct nouveau_grctx { |
| 5 | struct nouveau_device *device; |
| 6 | |
| 7 | enum { |
| 8 | NOUVEAU_GRCTX_PROG, |
| 9 | NOUVEAU_GRCTX_VALS |
| 10 | } mode; |
| 11 | void *data; |
| 12 | |
| 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; |
| 19 | }; |
| 20 | |
| 21 | static inline void |
| 22 | cp_out(struct nouveau_grctx *ctx, u32 inst) |
| 23 | { |
| 24 | u32 *ctxprog = ctx->data; |
| 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 |
| 34 | cp_lsr(struct nouveau_grctx *ctx, u32 val) |
| 35 | { |
| 36 | cp_out(ctx, CP_LOAD_SR | val); |
| 37 | } |
| 38 | |
| 39 | static inline void |
| 40 | cp_ctx(struct nouveau_grctx *ctx, u32 reg, u32 length) |
| 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 | { |
| 58 | u32 *ctxprog = ctx->data; |
| 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 | } |
| 89 | #define cp_bra(c, f, s, n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n) |
| 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) |
| 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 | } |
| 98 | #define cp_wait(c, f, s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s) |
| 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 | } |
| 105 | #define cp_set(c, f, s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s) |
| 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 |
| 118 | gr_def(struct nouveau_grctx *ctx, u32 reg, u32 val) |
| 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 | |
| 126 | nv_wo32(ctx->data, reg * 4, val); |
| 127 | } |
| 128 | |
| 129 | #endif |
| 130 | |