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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_fifo.h')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_fifo.h195
1 files changed, 195 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.h b/src/mesa/drivers/dri/nouveau/nouveau_fifo.h
new file mode 100644
index 0000000000..67f9cd4fc8
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_fifo.h
@@ -0,0 +1,195 @@
+/**************************************************************************
+
+Copyright 2006 Stephane Marchesin
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+
+
+#ifndef __NOUVEAU_FIFO_H__
+#define __NOUVEAU_FIFO_H__
+
+#include "nouveau_context.h"
+#include "nouveau_ctrlreg.h"
+#include "nouveau_state_cache.h"
+
+//#define NOUVEAU_RING_TRACE
+//#define NOUVEAU_RING_DEBUG
+//#define NOUVEAU_STATE_CACHE_DISABLE
+
+#ifndef NOUVEAU_RING_TRACE
+#define NOUVEAU_RING_TRACE 0
+#else
+#undef NOUVEAU_RING_TRACE
+#define NOUVEAU_RING_TRACE 1
+#endif
+
+#define NV_READ(reg) *(volatile uint32_t *)(nmesa->mmio + (reg))
+
+#define NV_FIFO_READ(reg) *(volatile uint32_t *)(nmesa->fifo.mmio + (reg/4))
+#define NV_FIFO_WRITE(reg,value) *(volatile uint32_t *)(nmesa->fifo.mmio + (reg/4)) = value;
+#define NV_FIFO_READ_GET() ((NV_FIFO_READ(NV03_FIFO_REGS_DMAGET) - nmesa->fifo.put_base) >> 2)
+#define NV_FIFO_WRITE_PUT(val) do { \
+ if (NOUVEAU_RING_TRACE) {\
+ printf("FIRE_RING : 0x%08x\n", nmesa->fifo.current << 2); \
+ fflush(stdout); \
+ sleep(1); \
+ } \
+ NV_FIFO_WRITE(NV03_FIFO_REGS_DMAPUT, ((val)<<2) + nmesa->fifo.put_base); \
+} while(0)
+
+/*
+ * Ring/fifo interface
+ *
+ * - Begin a ring section with BEGIN_RING_SIZE (if you know the full size in advance)
+ * - Output stuff to the ring with either OUT_RINGp (outputs a raw mem chunk), OUT_RING (1 uint32_t) or OUT_RINGf (1 float)
+ * - RING_AVAILABLE returns the available fifo (in uint32_ts)
+ * - RING_AHEAD returns how much ahead of the last submission point we are
+ * - FIRE_RING fires whatever we have that wasn't fired before
+ * - WAIT_RING waits for size (in uint32_ts) to be available in the fifo
+ */
+
+/* Enable for ring debugging. Prints out writes to the ring buffer
+ * but does not actually write to it.
+ */
+#ifdef NOUVEAU_RING_DEBUG
+
+extern int nouveau_fifo_remaining;
+
+#define OUT_RINGp(ptr,sz) do { \
+uint32_t* p=(uint32_t*)(ptr); \
+int i; printf("OUT_RINGp: (size 0x%x dwords)\n",sz); for(i=0;i<sz;i++) printf(" 0x%08x %f\n", *(p+i), *((float*)(p+i))); \
+nouveau_fifo_remaining-=sz; \
+}while(0)
+
+#define OUT_RING(n) do { \
+ printf("OUT_RINGn: 0x%08x (%s)\n", n, __func__); \
+ nouveau_fifo_remaining--; \
+}while(0)
+
+#define OUT_RINGf(n) do { \
+ printf("OUT_RINGf: %.04f (%s)\n", n, __func__); \
+ nouveau_fifo_remaining--; \
+}while(0)
+
+#define BEGIN_RING_SIZE(subchannel,tag,size) do { \
+ if (nouveau_fifo_remaining!=0) \
+ printf("RING ERROR : remaining %d\n",nouveau_fifo_remaining); \
+ nouveau_state_cache_flush(nmesa); \
+ if (nmesa->fifo.free <= (size)) \
+ WAIT_RING(nmesa,(size)); \
+ OUT_RING( ((size)<<18) | ((subchannel) << 13) | (tag)); \
+ nmesa->fifo.free -= ((size) + 1); \
+ nouveau_fifo_remaining=size; \
+}while(0)
+
+#else
+
+#define OUT_RINGp(ptr,sz) do{ \
+ if (NOUVEAU_RING_TRACE) { \
+ uint32_t* p=(uint32_t*)(ptr); \
+ int i; printf("OUT_RINGp: (size 0x%x dwords) (%s)\n",sz, __func__); for(i=0;i<sz;i++) printf(" [0x%08x] 0x%08x %f\n", (nmesa->fifo.current+i) << 2, *(p+i), *((float*)(p+i))); \
+ } \
+ memcpy(nmesa->fifo.buffer+nmesa->fifo.current,ptr,(sz)*4); \
+ nmesa->fifo.current+=(sz); \
+}while(0)
+
+#define OUT_RING(n) do { \
+if (NOUVEAU_RING_TRACE) \
+ printf("OUT_RINGn: [0x%08x] 0x%08x (%s)\n", nmesa->fifo.current << 2, n, __func__); \
+nmesa->fifo.buffer[nmesa->fifo.current++]=(n); \
+}while(0)
+
+#define OUT_RINGf(n) do { \
+if (NOUVEAU_RING_TRACE) \
+ printf("OUT_RINGf: [0x%08x] %.04f (%s)\n", nmesa->fifo.current << 2, n, __func__); \
+*((float*)(nmesa->fifo.buffer+nmesa->fifo.current++))=(n); \
+}while(0)
+
+#define BEGIN_RING_SIZE(subchannel,tag,size) do { \
+ nouveau_state_cache_flush(nmesa); \
+ if (nmesa->fifo.free <= (size)) \
+ WAIT_RING(nmesa,(size)); \
+ OUT_RING( ((size)<<18) | ((subchannel) << 13) | (tag)); \
+ nmesa->fifo.free -= ((size) + 1); \
+}while(0)
+
+#endif
+
+extern void WAIT_RING(nouveauContextPtr nmesa,uint32_t size);
+extern void nouveau_state_cache_flush(nouveauContextPtr nmesa);
+extern void nouveau_state_cache_init(nouveauContextPtr nmesa);
+
+#ifdef NOUVEAU_STATE_CACHE_DISABLE
+#define BEGIN_RING_CACHE(subc,tag,size) BEGIN_RING_SIZE((subc), (tag), (size))
+#define OUT_RING_CACHE(n) OUT_RING((n))
+#define OUT_RING_CACHEf(n) OUT_RINGf((n))
+#define OUT_RING_CACHEp(ptr, sz) OUT_RINGp((ptr), (sz))
+#else
+#define BEGIN_RING_CACHE(subchannel,tag,size) do { \
+ nmesa->state_cache.dirty=1; \
+ nmesa->state_cache.current_pos=((tag)/4); \
+}while(0)
+
+#define OUT_RING_CACHE(n) do { \
+ if (nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value!=(n)) { \
+ nmesa->state_cache.atoms[nmesa->state_cache.current_pos].dirty=1; \
+ nmesa->state_cache.hdirty[nmesa->state_cache.current_pos/NOUVEAU_STATE_CACHE_HIER_SIZE]=1; \
+ nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value=(n); \
+ } \
+ nmesa->state_cache.current_pos++; \
+}while(0)
+
+#define OUT_RING_CACHEf(n) do { \
+ if ((*(float*)(&nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value))!=(n)){ \
+ nmesa->state_cache.atoms[nmesa->state_cache.current_pos].dirty=1; \
+ nmesa->state_cache.hdirty[nmesa->state_cache.current_pos/NOUVEAU_STATE_CACHE_HIER_SIZE]=1; \
+ (*(float*)(&nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value))=(n);\
+ } \
+ nmesa->state_cache.current_pos++; \
+}while(0)
+
+#define OUT_RING_CACHEp(ptr,sz) do { \
+uint32_t* p=(uint32_t*)(ptr); \
+int i; for(i=0;i<sz;i++) OUT_RING_CACHE(*(p+i)); \
+}while(0)
+#endif
+
+#define RING_AVAILABLE() (nmesa->fifo.free-1)
+
+#define RING_AHEAD() ((nmesa->fifo.put<=nmesa->fifo.current)?(nmesa->fifo.current-nmesa->fifo.put):nmesa->fifo.max-nmesa->fifo.put+nmesa->fifo.current)
+
+#define FIRE_RING() do { \
+ if (nmesa->fifo.current!=nmesa->fifo.put) { \
+ nmesa->fifo.put=nmesa->fifo.current; \
+ NV_FIFO_WRITE_PUT(nmesa->fifo.put); \
+ } \
+}while(0)
+
+extern void nouveauWaitForIdle(nouveauContextPtr nmesa);
+extern void nouveauWaitForIdleLocked(nouveauContextPtr nmesa);
+extern GLboolean nouveauFifoInit(nouveauContextPtr nmesa);
+
+#endif /* __NOUVEAU_FIFO_H__ */
+
+
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