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Viewing changes to src/mesa/drivers/dri/nouveau/nouveau_fifo.h

  • Committer: Bazaar Package Importer
  • Author(s): Morten Kjeldgaard
  • Date: 2008-05-06 16:19:15 UTC
  • Revision ID: james.westby@ubuntu.com-20080506161915-uynz7nftmfixu6bq
Tags: upstream-7.0.3
Import upstream version 7.0.3

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src/mesa/drivers/dri/nouveau/nouveau_fifo.h
 
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/**************************************************************************
 
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Copyright 2006 Stephane Marchesin
 
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All Rights Reserved.
 
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Permission is hereby granted, free of charge, to any person obtaining a
 
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copy of this software and associated documentation files (the "Software"),
 
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to deal in the Software without restriction, including without limitation
 
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on the rights to use, copy, modify, merge, publish, distribute, sub
 
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license, and/or sell copies of the Software, and to permit persons to whom
 
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the Software is furnished to do so, subject to the following conditions:
 
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The above copyright notice and this permission notice (including the next
 
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paragraph) shall be included in all copies or substantial portions of the
 
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Software.
 
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 
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ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
 
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 
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USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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**************************************************************************/
 
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#ifndef __NOUVEAU_FIFO_H__
 
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#define __NOUVEAU_FIFO_H__
 
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#include "nouveau_context.h"
 
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#include "nouveau_ctrlreg.h"
 
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#include "nouveau_state_cache.h"
 
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//#define NOUVEAU_RING_TRACE
 
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//#define NOUVEAU_RING_DEBUG
 
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//#define NOUVEAU_STATE_CACHE_DISABLE
 
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#ifndef NOUVEAU_RING_TRACE
 
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#define NOUVEAU_RING_TRACE 0
 
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#else
 
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#undef NOUVEAU_RING_TRACE
 
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#define NOUVEAU_RING_TRACE 1
 
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#endif
 
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#define NV_READ(reg) *(volatile u_int32_t *)(nmesa->mmio + (reg))
 
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#define NV_FIFO_READ(reg) *(volatile u_int32_t *)(nmesa->fifo.mmio + (reg/4))
 
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#define NV_FIFO_WRITE(reg,value) *(volatile u_int32_t *)(nmesa->fifo.mmio + (reg/4)) = value;
 
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#define NV_FIFO_READ_GET() ((NV_FIFO_READ(NV03_FIFO_REGS_DMAGET) - nmesa->fifo.put_base) >> 2)
 
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#define NV_FIFO_WRITE_PUT(val) do { \
 
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        if (NOUVEAU_RING_TRACE) {\
 
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                printf("FIRE_RING : 0x%08x\n", nmesa->fifo.current << 2); \
 
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                fflush(stdout); \
 
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                sleep(1); \
 
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        } \
 
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        NV_FIFO_WRITE(NV03_FIFO_REGS_DMAPUT, ((val)<<2) + nmesa->fifo.put_base); \
 
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} while(0)
 
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61
/* 
 
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 * Ring/fifo interface
 
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 *
 
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 * - Begin a ring section with BEGIN_RING_SIZE (if you know the full size in advance)
 
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 * - Output stuff to the ring with either OUT_RINGp (outputs a raw mem chunk), OUT_RING (1 uint32_t) or OUT_RINGf (1 float)
 
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 * - RING_AVAILABLE returns the available fifo (in uint32_ts)
 
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 * - RING_AHEAD returns how much ahead of the last submission point we are
 
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 * - FIRE_RING fires whatever we have that wasn't fired before
 
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 * - WAIT_RING waits for size (in uint32_ts) to be available in the fifo
 
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 */
 
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/* Enable for ring debugging.  Prints out writes to the ring buffer
 
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 * but does not actually write to it.
 
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 */
 
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#ifdef NOUVEAU_RING_DEBUG
 
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extern int nouveau_fifo_remaining;
 
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#define OUT_RINGp(ptr,sz) do {                                                  \
 
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uint32_t* p=(uint32_t*)(ptr);                                                   \
 
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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)));      \
 
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nouveau_fifo_remaining-=sz;                                                     \
 
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}while(0)
 
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#define OUT_RING(n) do {                                                        \
 
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    printf("OUT_RINGn: 0x%08x (%s)\n", n, __func__);                            \
 
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    nouveau_fifo_remaining--;                                                   \
 
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}while(0)
 
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#define OUT_RINGf(n) do {                                                       \
 
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    printf("OUT_RINGf: %.04f (%s)\n", n, __func__);                             \
 
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    nouveau_fifo_remaining--;                                                   \
 
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}while(0)
 
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#define BEGIN_RING_SIZE(subchannel,tag,size) do {                                       \
 
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        if (nouveau_fifo_remaining!=0)                                                  \
 
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                printf("RING ERROR : remaining %d\n",nouveau_fifo_remaining);           \
 
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        nouveau_state_cache_flush(nmesa);                                               \
 
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        if (nmesa->fifo.free <= (size))                                                 \
 
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                WAIT_RING(nmesa,(size));                                                \
 
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        OUT_RING( ((size)<<18) | ((subchannel) << 13) | (tag));                         \
 
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        nmesa->fifo.free -= ((size) + 1);                                               \
 
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        nouveau_fifo_remaining=size;                                                    \
 
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}while(0)
 
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106
#else
 
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#define OUT_RINGp(ptr,sz) do{                                                   \
 
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        if (NOUVEAU_RING_TRACE) { \
 
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                uint32_t* p=(uint32_t*)(ptr);                                                   \
 
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                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)));        \
 
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        } \
 
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        memcpy(nmesa->fifo.buffer+nmesa->fifo.current,ptr,(sz)*4);              \
 
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        nmesa->fifo.current+=(sz);                                              \
 
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}while(0)
 
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#define OUT_RING(n) do {                                                        \
 
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if (NOUVEAU_RING_TRACE) \
 
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    printf("OUT_RINGn: [0x%08x] 0x%08x (%s)\n", nmesa->fifo.current << 2, n, __func__);        \
 
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nmesa->fifo.buffer[nmesa->fifo.current++]=(n);                                  \
 
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}while(0)
 
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#define OUT_RINGf(n) do {                                                       \
 
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if (NOUVEAU_RING_TRACE) \
 
125
    printf("OUT_RINGf: [0x%08x] %.04f (%s)\n", nmesa->fifo.current << 2, n, __func__);        \
 
126
*((float*)(nmesa->fifo.buffer+nmesa->fifo.current++))=(n);                      \
 
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}while(0)
 
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#define BEGIN_RING_SIZE(subchannel,tag,size) do {                                       \
 
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        nouveau_state_cache_flush(nmesa);                                               \
 
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        if (nmesa->fifo.free <= (size))                                                 \
 
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                WAIT_RING(nmesa,(size));                                                \
 
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        OUT_RING( ((size)<<18) | ((subchannel) << 13) | (tag));                         \
 
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        nmesa->fifo.free -= ((size) + 1);                                               \
 
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}while(0)
 
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137
#endif
 
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139
extern void WAIT_RING(nouveauContextPtr nmesa,u_int32_t size);
 
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extern void nouveau_state_cache_flush(nouveauContextPtr nmesa);
 
141
extern void nouveau_state_cache_init(nouveauContextPtr nmesa);
 
142
 
 
143
#ifdef NOUVEAU_STATE_CACHE_DISABLE
 
144
#define BEGIN_RING_CACHE(subc,tag,size) BEGIN_RING_SIZE((subc), (tag), (size))
 
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#define OUT_RING_CACHE(n) OUT_RING((n))
 
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#define OUT_RING_CACHEf(n) OUT_RINGf((n))
 
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#define OUT_RING_CACHEp(ptr, sz) OUT_RINGp((ptr), (sz))
 
148
#else
 
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#define BEGIN_RING_CACHE(subchannel,tag,size) do {                                      \
 
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        nmesa->state_cache.dirty=1;                                                     \
 
151
        nmesa->state_cache.current_pos=((tag)/4);                                       \
 
152
}while(0)
 
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#define OUT_RING_CACHE(n) do {                                                                  \
 
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        if (nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value!=(n))        {       \
 
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                nmesa->state_cache.atoms[nmesa->state_cache.current_pos].dirty=1;               \
 
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                nmesa->state_cache.hdirty[nmesa->state_cache.current_pos/NOUVEAU_STATE_CACHE_HIER_SIZE]=1;              \
 
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                nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value=(n);             \
 
159
        }                                                                                       \
 
160
        nmesa->state_cache.current_pos++;                                                       \
 
161
}while(0)
 
162
 
 
163
#define OUT_RING_CACHEf(n) do {                                                                 \
 
164
        if ((*(float*)(&nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value))!=(n)){ \
 
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                nmesa->state_cache.atoms[nmesa->state_cache.current_pos].dirty=1;               \
 
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                nmesa->state_cache.hdirty[nmesa->state_cache.current_pos/NOUVEAU_STATE_CACHE_HIER_SIZE]=1;              \
 
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                (*(float*)(&nmesa->state_cache.atoms[nmesa->state_cache.current_pos].value))=(n);\
 
168
        }                                                                                       \
 
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        nmesa->state_cache.current_pos++;                                                       \
 
170
}while(0)
 
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172
#define OUT_RING_CACHEp(ptr,sz) do {                                                    \
 
173
uint32_t* p=(uint32_t*)(ptr);                                                           \
 
174
int i; for(i=0;i<sz;i++) OUT_RING_CACHE(*(p+i));                                        \
 
175
}while(0)
 
176
#endif
 
177
 
 
178
#define RING_AVAILABLE() (nmesa->fifo.free-1)
 
179
 
 
180
#define RING_AHEAD() ((nmesa->fifo.put<=nmesa->fifo.current)?(nmesa->fifo.current-nmesa->fifo.put):nmesa->fifo.max-nmesa->fifo.put+nmesa->fifo.current)
 
181
 
 
182
#define FIRE_RING() do {                             \
 
183
        if (nmesa->fifo.current!=nmesa->fifo.put) {  \
 
184
                nmesa->fifo.put=nmesa->fifo.current; \
 
185
                NV_FIFO_WRITE_PUT(nmesa->fifo.put);  \
 
186
        }                                            \
 
187
}while(0)
 
188
 
 
189
extern void nouveauWaitForIdle(nouveauContextPtr nmesa);
 
190
extern void nouveauWaitForIdleLocked(nouveauContextPtr nmesa);
 
191
extern GLboolean nouveauFifoInit(nouveauContextPtr nmesa);
 
192
 
 
193
#endif /* __NOUVEAU_FIFO_H__ */
 
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