1#ifndef __NOUVEAU_GRCTX_H__ 2#define __NOUVEAU_GRCTX_H__ 3 4struct nouveau_grctx { 5 struct drm_device *dev; 6 7 enum { 8 NOUVEAU_GRCTX_PROG, 9 NOUVEAU_GRCTX_VALS 10 } mode; 11 void *data; 12 13 uint32_t ctxprog_max; 14 uint32_t ctxprog_len; 15 uint32_t ctxprog_reg; 16 int ctxprog_label[32]; 17 uint32_t ctxvals_pos; 18 uint32_t ctxvals_base; 19}; 20 21#ifdef CP_CTX 22static inline void 23cp_out(struct nouveau_grctx *ctx, uint32_t inst) 24{ 25 uint32_t *ctxprog = ctx->data; 26 27 if (ctx->mode != NOUVEAU_GRCTX_PROG) 28 return; 29 30 BUG_ON(ctx->ctxprog_len == ctx->ctxprog_max); 31 ctxprog[ctx->ctxprog_len++] = inst; 32} 33 34static inline void 35cp_lsr(struct nouveau_grctx *ctx, uint32_t val) 36{ 37 cp_out(ctx, CP_LOAD_SR | val); 38} 39 40static inline void 41cp_ctx(struct nouveau_grctx *ctx, uint32_t reg, uint32_t length) 42{ 43 ctx->ctxprog_reg = (reg - 0x00400000) >> 2; 44 45 ctx->ctxvals_base = ctx->ctxvals_pos; 46 ctx->ctxvals_pos = ctx->ctxvals_base + length; 47 48 if (length > (CP_CTX_COUNT >> CP_CTX_COUNT_SHIFT)) { 49 cp_lsr(ctx, length); 50 length = 0; 51 } 52 53 cp_out(ctx, CP_CTX | (length << CP_CTX_COUNT_SHIFT) | ctx->ctxprog_reg); 54} 55 56static inline void 57cp_name(struct nouveau_grctx *ctx, int name) 58{ 59 uint32_t *ctxprog = ctx->data; 60 int i; 61 62 if (ctx->mode != NOUVEAU_GRCTX_PROG) 63 return; 64 65 ctx->ctxprog_label[name] = ctx->ctxprog_len; 66 for (i = 0; i < ctx->ctxprog_len; i++) { 67 if ((ctxprog[i] & 0xfff00000) != 0xff400000) 68 continue; 69 if ((ctxprog[i] & CP_BRA_IP) != ((name) << CP_BRA_IP_SHIFT)) 70 continue; 71 ctxprog[i] = (ctxprog[i] & 0x00ff00ff) | 72 (ctx->ctxprog_len << CP_BRA_IP_SHIFT); 73 } 74} 75 76static inline void 77_cp_bra(struct nouveau_grctx *ctx, u32 mod, int flag, int state, int name) 78{ 79 int ip = 0; 80 81 if (mod != 2) { 82 ip = ctx->ctxprog_label[name] << CP_BRA_IP_SHIFT; 83 if (ip == 0) 84 ip = 0xff000000 | (name << CP_BRA_IP_SHIFT); 85 } 86 87 cp_out(ctx, CP_BRA | (mod << 18) | ip | flag | 88 (state ? 0 : CP_BRA_IF_CLEAR)); 89} 90#define cp_bra(c,f,s,n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n) 91#ifdef CP_BRA_MOD 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#endif 95 96static inline void 97_cp_wait(struct nouveau_grctx *ctx, int flag, int state) 98{ 99 cp_out(ctx, CP_WAIT | flag | (state ? CP_WAIT_SET : 0)); 100} 101#define cp_wait(c,f,s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s) 102 103static inline void 104_cp_set(struct nouveau_grctx *ctx, int flag, int state) 105{ 106 cp_out(ctx, CP_SET | flag | (state ? CP_SET_1 : 0)); 107} 108#define cp_set(c,f,s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s) 109 110static inline void 111cp_pos(struct nouveau_grctx *ctx, int offset) 112{ 113 ctx->ctxvals_pos = offset; 114 ctx->ctxvals_base = ctx->ctxvals_pos; 115 116 cp_lsr(ctx, ctx->ctxvals_pos); 117 cp_out(ctx, CP_SET_CONTEXT_POINTER); 118} 119 120static inline void 121gr_def(struct nouveau_grctx *ctx, uint32_t reg, uint32_t val) 122{ 123 if (ctx->mode != NOUVEAU_GRCTX_VALS) 124 return; 125 126 reg = (reg - 0x00400000) / 4; 127 reg = (reg - ctx->ctxprog_reg) + ctx->ctxvals_base; 128 129 nv_wo32(ctx->dev, ctx->data, reg, val); 130} 131#endif 132 133#endif 134