1 #ifndef __NVKM_GRCTX_H__ 2 #define __NVKM_GRCTX_H__ 3 #include <core/gpuobj.h> 4 5 struct nvkm_grctx { 6 struct nvkm_device *device; 7 8 enum { 9 NVKM_GRCTX_PROG, 10 NVKM_GRCTX_VALS 11 } mode; 12 u32 *ucode; 13 struct nvkm_gpuobj *data; 14 15 u32 ctxprog_max; 16 u32 ctxprog_len; 17 u32 ctxprog_reg; 18 int ctxprog_label[32]; 19 u32 ctxvals_pos; 20 u32 ctxvals_base; 21 }; 22 23 static inline void 24 cp_out(struct nvkm_grctx *ctx, u32 inst) 25 { 26 u32 *ctxprog = ctx->ucode; 27 28 if (ctx->mode != NVKM_GRCTX_PROG) 29 return; 30 31 BUG_ON(ctx->ctxprog_len == ctx->ctxprog_max); 32 ctxprog[ctx->ctxprog_len++] = inst; 33 } 34 35 static inline void 36 cp_lsr(struct nvkm_grctx *ctx, u32 val) 37 { 38 cp_out(ctx, CP_LOAD_SR | val); 39 } 40 41 static inline void 42 cp_ctx(struct nvkm_grctx *ctx, u32 reg, u32 length) 43 { 44 ctx->ctxprog_reg = (reg - 0x00400000) >> 2; 45 46 ctx->ctxvals_base = ctx->ctxvals_pos; 47 ctx->ctxvals_pos = ctx->ctxvals_base + length; 48 49 if (length > (CP_CTX_COUNT >> CP_CTX_COUNT_SHIFT)) { 50 cp_lsr(ctx, length); 51 length = 0; 52 } 53 54 cp_out(ctx, CP_CTX | (length << CP_CTX_COUNT_SHIFT) | ctx->ctxprog_reg); 55 } 56 57 static inline void 58 cp_name(struct nvkm_grctx *ctx, int name) 59 { 60 u32 *ctxprog = ctx->ucode; 61 int i; 62 63 if (ctx->mode != NVKM_GRCTX_PROG) 64 return; 65 66 ctx->ctxprog_label[name] = ctx->ctxprog_len; 67 for (i = 0; i < ctx->ctxprog_len; i++) { 68 if ((ctxprog[i] & 0xfff00000) != 0xff400000) 69 continue; 70 if ((ctxprog[i] & CP_BRA_IP) != ((name) << CP_BRA_IP_SHIFT)) 71 continue; 72 ctxprog[i] = (ctxprog[i] & 0x00ff00ff) | 73 (ctx->ctxprog_len << CP_BRA_IP_SHIFT); 74 } 75 } 76 77 static inline void 78 _cp_bra(struct nvkm_grctx *ctx, u32 mod, int flag, int state, int name) 79 { 80 int ip = 0; 81 82 if (mod != 2) { 83 ip = ctx->ctxprog_label[name] << CP_BRA_IP_SHIFT; 84 if (ip == 0) 85 ip = 0xff000000 | (name << CP_BRA_IP_SHIFT); 86 } 87 88 cp_out(ctx, CP_BRA | (mod << 18) | ip | flag | 89 (state ? 0 : CP_BRA_IF_CLEAR)); 90 } 91 #define cp_bra(c, f, s, n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n) 92 #define cp_cal(c, f, s, n) _cp_bra((c), 1, CP_FLAG_##f, CP_FLAG_##f##_##s, n) 93 #define cp_ret(c, f, s) _cp_bra((c), 2, CP_FLAG_##f, CP_FLAG_##f##_##s, 0) 94 95 static inline void 96 _cp_wait(struct nvkm_grctx *ctx, int flag, int state) 97 { 98 cp_out(ctx, CP_WAIT | flag | (state ? CP_WAIT_SET : 0)); 99 } 100 #define cp_wait(c, f, s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s) 101 102 static inline void 103 _cp_set(struct nvkm_grctx *ctx, int flag, int state) 104 { 105 cp_out(ctx, CP_SET | flag | (state ? CP_SET_1 : 0)); 106 } 107 #define cp_set(c, f, s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s) 108 109 static inline void 110 cp_pos(struct nvkm_grctx *ctx, int offset) 111 { 112 ctx->ctxvals_pos = offset; 113 ctx->ctxvals_base = ctx->ctxvals_pos; 114 115 cp_lsr(ctx, ctx->ctxvals_pos); 116 cp_out(ctx, CP_SET_CONTEXT_POINTER); 117 } 118 119 static inline void 120 gr_def(struct nvkm_grctx *ctx, u32 reg, u32 val) 121 { 122 if (ctx->mode != NVKM_GRCTX_VALS) 123 return; 124 125 reg = (reg - 0x00400000) / 4; 126 reg = (reg - ctx->ctxprog_reg) + ctx->ctxvals_base; 127 128 nvkm_wo32(ctx->data, reg * 4, val); 129 } 130 #endif 131