134 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			134 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifndef __NOUVEAU_GRCTX_H__
 | ||
|  | #define __NOUVEAU_GRCTX_H__
 | ||
|  | 
 | ||
|  | struct nouveau_grctx { | ||
|  | 	struct drm_device *dev; | ||
|  | 
 | ||
|  | 	enum { | ||
|  | 		NOUVEAU_GRCTX_PROG, | ||
|  | 		NOUVEAU_GRCTX_VALS | ||
|  | 	} mode; | ||
|  | 	void *data; | ||
|  | 
 | ||
|  | 	uint32_t ctxprog_max; | ||
|  | 	uint32_t ctxprog_len; | ||
|  | 	uint32_t ctxprog_reg; | ||
|  | 	int      ctxprog_label[32]; | ||
|  | 	uint32_t ctxvals_pos; | ||
|  | 	uint32_t ctxvals_base; | ||
|  | }; | ||
|  | 
 | ||
|  | #ifdef CP_CTX
 | ||
|  | static inline void | ||
|  | cp_out(struct nouveau_grctx *ctx, uint32_t inst) | ||
|  | { | ||
|  | 	uint32_t *ctxprog = ctx->data; | ||
|  | 
 | ||
|  | 	if (ctx->mode != NOUVEAU_GRCTX_PROG) | ||
|  | 		return; | ||
|  | 
 | ||
|  | 	BUG_ON(ctx->ctxprog_len == ctx->ctxprog_max); | ||
|  | 	ctxprog[ctx->ctxprog_len++] = inst; | ||
|  | } | ||
|  | 
 | ||
|  | static inline void | ||
|  | cp_lsr(struct nouveau_grctx *ctx, uint32_t val) | ||
|  | { | ||
|  | 	cp_out(ctx, CP_LOAD_SR | val); | ||
|  | } | ||
|  | 
 | ||
|  | static inline void | ||
|  | cp_ctx(struct nouveau_grctx *ctx, uint32_t reg, uint32_t length) | ||
|  | { | ||
|  | 	ctx->ctxprog_reg = (reg - 0x00400000) >> 2; | ||
|  | 
 | ||
|  | 	ctx->ctxvals_base = ctx->ctxvals_pos; | ||
|  | 	ctx->ctxvals_pos = ctx->ctxvals_base + length; | ||
|  | 
 | ||
|  | 	if (length > (CP_CTX_COUNT >> CP_CTX_COUNT_SHIFT)) { | ||
|  | 		cp_lsr(ctx, length); | ||
|  | 		length = 0; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	cp_out(ctx, CP_CTX | (length << CP_CTX_COUNT_SHIFT) | ctx->ctxprog_reg); | ||
|  | } | ||
|  | 
 | ||
|  | static inline void | ||
|  | cp_name(struct nouveau_grctx *ctx, int name) | ||
|  | { | ||
|  | 	uint32_t *ctxprog = ctx->data; | ||
|  | 	int i; | ||
|  | 
 | ||
|  | 	if (ctx->mode != NOUVEAU_GRCTX_PROG) | ||
|  | 		return; | ||
|  | 
 | ||
|  | 	ctx->ctxprog_label[name] = ctx->ctxprog_len; | ||
|  | 	for (i = 0; i < ctx->ctxprog_len; i++) { | ||
|  | 		if ((ctxprog[i] & 0xfff00000) != 0xff400000) | ||
|  | 			continue; | ||
|  | 		if ((ctxprog[i] & CP_BRA_IP) != ((name) << CP_BRA_IP_SHIFT)) | ||
|  | 			continue; | ||
|  | 		ctxprog[i] = (ctxprog[i] & 0x00ff00ff) | | ||
|  | 			     (ctx->ctxprog_len << CP_BRA_IP_SHIFT); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | static inline void | ||
|  | _cp_bra(struct nouveau_grctx *ctx, u32 mod, int flag, int state, int name) | ||
|  | { | ||
|  | 	int ip = 0; | ||
|  | 
 | ||
|  | 	if (mod != 2) { | ||
|  | 		ip = ctx->ctxprog_label[name] << CP_BRA_IP_SHIFT; | ||
|  | 		if (ip == 0) | ||
|  | 			ip = 0xff000000 | (name << CP_BRA_IP_SHIFT); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	cp_out(ctx, CP_BRA | (mod << 18) | ip | flag | | ||
|  | 		    (state ? 0 : CP_BRA_IF_CLEAR)); | ||
|  | } | ||
|  | #define cp_bra(c,f,s,n) _cp_bra((c), 0, CP_FLAG_##f, CP_FLAG_##f##_##s, n)
 | ||
|  | #ifdef CP_BRA_MOD
 | ||
|  | #define cp_cal(c,f,s,n) _cp_bra((c), 1, CP_FLAG_##f, CP_FLAG_##f##_##s, n)
 | ||
|  | #define cp_ret(c,f,s) _cp_bra((c), 2, CP_FLAG_##f, CP_FLAG_##f##_##s, 0)
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | static inline void | ||
|  | _cp_wait(struct nouveau_grctx *ctx, int flag, int state) | ||
|  | { | ||
|  | 	cp_out(ctx, CP_WAIT | flag | (state ? CP_WAIT_SET : 0)); | ||
|  | } | ||
|  | #define cp_wait(c,f,s) _cp_wait((c), CP_FLAG_##f, CP_FLAG_##f##_##s)
 | ||
|  | 
 | ||
|  | static inline void | ||
|  | _cp_set(struct nouveau_grctx *ctx, int flag, int state) | ||
|  | { | ||
|  | 	cp_out(ctx, CP_SET | flag | (state ? CP_SET_1 : 0)); | ||
|  | } | ||
|  | #define cp_set(c,f,s) _cp_set((c), CP_FLAG_##f, CP_FLAG_##f##_##s)
 | ||
|  | 
 | ||
|  | static inline void | ||
|  | cp_pos(struct nouveau_grctx *ctx, int offset) | ||
|  | { | ||
|  | 	ctx->ctxvals_pos = offset; | ||
|  | 	ctx->ctxvals_base = ctx->ctxvals_pos; | ||
|  | 
 | ||
|  | 	cp_lsr(ctx, ctx->ctxvals_pos); | ||
|  | 	cp_out(ctx, CP_SET_CONTEXT_POINTER); | ||
|  | } | ||
|  | 
 | ||
|  | static inline void | ||
|  | gr_def(struct nouveau_grctx *ctx, uint32_t reg, uint32_t val) | ||
|  | { | ||
|  | 	if (ctx->mode != NOUVEAU_GRCTX_VALS) | ||
|  | 		return; | ||
|  | 
 | ||
|  | 	reg = (reg - 0x00400000) / 4; | ||
|  | 	reg = (reg - ctx->ctxprog_reg) + ctx->ctxvals_base; | ||
|  | 
 | ||
|  | 	nv_wo32(ctx->dev, ctx->data, reg, val); | ||
|  | } | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #endif
 |