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Diffstat (limited to 'src/i810_ring.h')
| -rw-r--r-- | src/i810_ring.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/src/i810_ring.h b/src/i810_ring.h deleted file mode 100644 index e6e354fd..00000000 --- a/src/i810_ring.h +++ /dev/null @@ -1,90 +0,0 @@ -/************************************************************************** - -Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. -Copyright © 2002 David Dawes - -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 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 PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 _INTEL_RING_H -#define _INTEL_RING_H - -#define OUT_RING(n) do { \ - if (I810_DEBUG & DEBUG_VERBOSE_RING) \ - ErrorF("OUT_RING %lx: %x, (mask %x)\n", \ - (unsigned long)(outring), (unsigned int)(n), ringmask); \ - *(volatile unsigned int *)(virt + outring) = n; \ - outring += 4; ringused += 4; \ - outring &= ringmask; \ -} while (0) - -#define ADVANCE_LP_RING() do { \ - if (ringused > needed) \ - FatalError("%s: ADVANCE_LP_RING: exceeded allocation %d/%d\n ", \ - __FUNCTION__, ringused, needed); \ - else if (ringused < needed) \ - FatalError("%s: ADVANCE_LP_RING: under-used allocation %d/%d\n ", \ - __FUNCTION__, ringused, needed); \ - pI810->LpRing->tail = outring; \ - pI810->LpRing->space -= ringused; \ - if (outring & 0x07) \ - FatalError("%s: ADVANCE_LP_RING: " \ - "outring (0x%x) isn't on a QWord boundary\n", \ - __FUNCTION__, outring); \ - OUTREG(LP_RING + RING_TAIL, outring); \ -} while (0) - -/* - * XXX Note: the head/tail masks are different for 810 and i830. - * If the i810 always sets the higher bits to 0, then this shouldn't be - * a problem. Check this! - */ -#define DO_RING_IDLE() do { \ - int _head; \ - int _tail; \ - do { \ - _head = INREG(LP_RING + RING_HEAD) & I830_HEAD_MASK; \ - _tail = INREG(LP_RING + RING_TAIL) & I830_TAIL_MASK; \ - DELAY(10); \ - } while (_head != _tail); \ -} while( 0) - -#define BEGIN_LP_RING(n) \ - unsigned int outring, ringmask, ringused = 0; \ - volatile unsigned char *virt; \ - int needed; \ - if ((n) & 1) \ - ErrorF("BEGIN_LP_RING called with odd argument: %d\n", n); \ - if ((n) > 2 && (I810_DEBUG&DEBUG_ALWAYS_SYNC)) \ - DO_RING_IDLE(); \ - needed = (n) * 4; \ - if (pI810->LpRing->space < needed) \ - WaitRingFunc(pScrn, needed, 0); \ - outring = pI810->LpRing->tail; \ - ringmask = pI810->LpRing->tail_mask; \ - virt = pI810->LpRing->virtual_start; \ - if (I810_DEBUG & DEBUG_VERBOSE_RING) \ - ErrorF( "BEGIN_LP_RING %d in %s\n", n, FUNCTION_NAME); - -#endif /* _INTEL_RING_H */ |