diff options
Diffstat (limited to 'libdrm/nouveau/nouveau_dma.h')
-rw-r--r-- | libdrm/nouveau/nouveau_dma.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/libdrm/nouveau/nouveau_dma.h b/libdrm/nouveau/nouveau_dma.h deleted file mode 100644 index 38fe1d68..00000000 --- a/libdrm/nouveau/nouveau_dma.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright 2007 Nouveau Project - * - * 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 - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS 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_DMA_H__ -#define __NOUVEAU_DMA_H__ - -#include <string.h> -#include "nouveau_private.h" - -//#define NOUVEAU_DMA_DEBUG -//#define NOUVEAU_DMA_TRACE -//#define NOUVEAU_DMA_DUMP_POSTRELOC_PUSHBUF -#if defined(__amd64__) -#define NOUVEAU_DMA_BARRIER asm volatile("lock; addl $0,0(%%rsp)" ::: "memory") -#elif defined(__i386__) -#define NOUVEAU_DMA_BARRIER asm volatile("lock; addl $0,0(%%esp)" ::: "memory") -#else -#define NOUVEAU_DMA_BARRIER -#endif -#define NOUVEAU_DMA_TIMEOUT 2000 -#define NOUVEAU_TIME_MSEC() 0 -#define RING_SKIPS 8 - -extern int nouveau_dma_wait(struct nouveau_channel *chan, unsigned size); -extern void nouveau_dma_subc_bind(struct nouveau_grobj *); -extern void nouveau_dma_channel_init(struct nouveau_channel *); -extern void nouveau_dma_kickoff(struct nouveau_channel *); - -#ifdef NOUVEAU_DMA_DEBUG -static char faulty[1024]; -#endif - -static inline void -nouveau_dma_out(struct nouveau_channel *chan, uint32_t data) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_dma_priv *dma = nvchan->dma; - -#ifdef NOUVEAU_DMA_DEBUG - if (dma->push_free == 0) { - printf("No space left in packet at %s\n", faulty); - return; - } - dma->push_free--; -#endif -#ifdef NOUVEAU_DMA_TRACE - { - uint32_t offset = (dma->cur << 2) + dma->base; - printf("\tOUT_RING %d/0x%08x -> 0x%08x\n", - nvchan->drm.channel, offset, data); - } -#endif - nvchan->pushbuf[dma->cur + (dma->base - nvchan->drm.put_base)/4] = data; - dma->cur++; -} - -static inline void -nouveau_dma_outp(struct nouveau_channel *chan, uint32_t *ptr, int size) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_dma_priv *dma = nvchan->dma; - (void)dma; - -#ifdef NOUVEAU_DMA_DEBUG - if (dma->push_free < size) { - printf("Packet too small. Free=%d, Need=%d\n", - dma->push_free, size); - return; - } -#endif -#ifdef NOUVEAU_DMA_TRACE - while (size--) { - nouveau_dma_out(chan, *ptr); - ptr++; - } -#else - memcpy(&nvchan->pushbuf[dma->cur], ptr, size << 2); -#ifdef NOUVEAU_DMA_DEBUG - dma->push_free -= size; -#endif - dma->cur += size; -#endif -} - -static inline void -nouveau_dma_space(struct nouveau_channel *chan, unsigned size) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_dma_priv *dma = nvchan->dma; - - if (dma->free < size) { - if (nouveau_dma_wait(chan, size) && chan->hang_notify) - chan->hang_notify(chan); - } - dma->free -= size; -#ifdef NOUVEAU_DMA_DEBUG - dma->push_free = size; -#endif -} - -static inline void -nouveau_dma_begin(struct nouveau_channel *chan, struct nouveau_grobj *grobj, - int method, int size, const char* file, int line) -{ - struct nouveau_channel_priv *nvchan = nouveau_channel(chan); - struct nouveau_dma_priv *dma = nvchan->dma; - (void)dma; - -#ifdef NOUVEAU_DMA_TRACE - printf("BEGIN_RING %d/%08x/%d/0x%04x/%d\n", nvchan->drm.channel, - grobj->handle, grobj->subc, method, size); -#endif - -#ifdef NOUVEAU_DMA_DEBUG - if (dma->push_free) { - printf("Previous packet incomplete: %d left at %s\n", - dma->push_free, faulty); - return; - } - sprintf(faulty,"%s:%d",file,line); -#endif - - nouveau_dma_space(chan, (size + 1)); - nouveau_dma_out(chan, (size << 18) | (grobj->subc << 13) | method); -} - -#define RING_SPACE_CH(ch,sz) nouveau_dma_space((ch), (sz)) -#define BEGIN_RING_CH(ch,gr,m,sz) nouveau_dma_begin((ch), (gr), (m), (sz), __FUNCTION__, __LINE__ ) -#define OUT_RING_CH(ch, data) nouveau_dma_out((ch), (data)) -#define OUT_RINGp_CH(ch,ptr,dwords) nouveau_dma_outp((ch), (void*)(ptr), \ - (dwords)) -#define FIRE_RING_CH(ch) nouveau_dma_kickoff((ch)) -#define WAIT_RING_CH(ch,sz) nouveau_dma_wait((ch), (sz)) - -#endif |