diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_fifo.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_fifo.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c b/src/mesa/drivers/dri/nouveau/nouveau_fifo.c deleted file mode 100644 index 5dc94e0520a..00000000000 --- a/src/mesa/drivers/dri/nouveau/nouveau_fifo.c +++ /dev/null @@ -1,153 +0,0 @@ -/************************************************************************** - -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. - -**************************************************************************/ - - -#include "vblank.h" -#include <errno.h> -#include "mtypes.h" -#include "macros.h" -#include "dd.h" -#include "swrast/swrast.h" -#include "nouveau_context.h" -#include "nouveau_msg.h" -#include "nouveau_fifo.h" -#include "nouveau_lock.h" -#include "nouveau_object.h" -#include "nouveau_sync.h" - -#ifdef NOUVEAU_RING_DEBUG -int nouveau_fifo_remaining=0; -#endif - - -#define RING_SKIPS 8 - -void WAIT_RING(nouveauContextPtr nmesa,u_int32_t size) -{ -#ifdef NOUVEAU_RING_DEBUG - return; -#endif - u_int32_t fifo_get; - while(nmesa->fifo.free < size+1) { - fifo_get = NV_FIFO_READ_GET(); - - if(nmesa->fifo.put >= fifo_get) { - nmesa->fifo.free = nmesa->fifo.max - nmesa->fifo.current; - if(nmesa->fifo.free < size+1) { - OUT_RING(NV03_FIFO_CMD_JUMP | - nmesa->fifo.drm.put_base); - if(fifo_get <= RING_SKIPS) { - if(nmesa->fifo.put <= RING_SKIPS) /* corner case - will be idle */ - NV_FIFO_WRITE_PUT(RING_SKIPS + 1); - do { fifo_get = NV_FIFO_READ_GET(); } - while(fifo_get <= RING_SKIPS); - } - NV_FIFO_WRITE_PUT(RING_SKIPS); - nmesa->fifo.current = nmesa->fifo.put = RING_SKIPS; - nmesa->fifo.free = fifo_get - (RING_SKIPS + 1); - } - } else - nmesa->fifo.free = fifo_get - nmesa->fifo.current - 1; - } -} - -/* - * Wait for the channel to be idle - */ -void nouveauWaitForIdleLocked(nouveauContextPtr nmesa) -{ - /* Wait for FIFO idle */ - FIRE_RING(); - while(RING_AHEAD()>0); - - /* Wait on notifier to indicate all commands in the channel have - * been completed. - */ - nouveau_notifier_wait_nop(nmesa->glCtx, nmesa->syncNotifier, NvSub3D); -} - -void nouveauWaitForIdle(nouveauContextPtr nmesa) -{ - LOCK_HARDWARE(nmesa); - nouveauWaitForIdleLocked(nmesa); - UNLOCK_HARDWARE(nmesa); -} - -// here we call the fifo initialization ioctl and fill in stuff accordingly -GLboolean nouveauFifoInit(nouveauContextPtr nmesa) -{ - int i, ret; - -#ifdef NOUVEAU_RING_DEBUG - return GL_TRUE; -#endif - - nmesa->fifo.drm.fb_ctxdma_handle = NvDmaFB; - nmesa->fifo.drm.tt_ctxdma_handle = NvDmaTT; - ret = drmCommandWriteRead(nmesa->driFd, DRM_NOUVEAU_CHANNEL_ALLOC, - &nmesa->fifo.drm, sizeof(nmesa->fifo.drm)); - if (ret) { - FATAL("Fifo initialization ioctl failed (returned %d)\n", ret); - return GL_FALSE; - } - - ret = drmMap(nmesa->driFd, nmesa->fifo.drm.cmdbuf, - nmesa->fifo.drm.cmdbuf_size, &nmesa->fifo.pushbuf); - if (ret) { - FATAL("Unable to map the fifo (returned %d)\n", ret); - return GL_FALSE; - } - - ret = drmMap(nmesa->driFd, nmesa->fifo.drm.ctrl, - nmesa->fifo.drm.ctrl_size, &nmesa->fifo.mmio); - if (ret) { - FATAL("Unable to map the control regs (returned %d)\n", ret); - return GL_FALSE; - } - - ret = drmMap(nmesa->driFd, nmesa->fifo.drm.notifier, - nmesa->fifo.drm.notifier_size, - &nmesa->fifo.notifier_block); - if (ret) { - FATAL("Unable to map the notifier block (returned %d)\n", ret); - return GL_FALSE; - } - - /* Setup our initial FIFO tracking params */ - nmesa->fifo.current = 0; - nmesa->fifo.put = 0; - nmesa->fifo.max = (nmesa->fifo.drm.cmdbuf_size >> 2) - 1; - nmesa->fifo.free = nmesa->fifo.max - nmesa->fifo.current; - - for (i=0; i<RING_SKIPS; i++) - OUT_RING(0); - nmesa->fifo.free -= RING_SKIPS; - - MESSAGE("Fifo init ok. Using context %d\n", nmesa->fifo.drm.channel); - return GL_TRUE; -} - - |