| agp_i810.c (103243) | agp_i810.c (103272) |
|---|---|
| 1/*- 2 * Copyright (c) 2000 Doug Rabson 3 * Copyright (c) 2000 Ruslan Ermilov 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2000 Doug Rabson 3 * Copyright (c) 2000 Ruslan Ermilov 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/dev/agp/agp_i810.c 103243 2002-09-12 04:23:18Z anholt $ | 27 * $FreeBSD: head/sys/dev/agp/agp_i810.c 103272 2002-09-13 04:17:28Z anholt $ |
| 28 */ 29 30/* 31 * Fixes for 830/845G support: David Dawes <dawes@xfree86.org> 32 */ 33 34#include "opt_bus.h" 35#include "opt_pci.h" --- 405 unchanged lines hidden (view full) --- 441agp_i810_unbind_page(device_t dev, int offset) 442{ 443 struct agp_i810_softc *sc = device_get_softc(dev); 444 445 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 446 return EINVAL; 447 448 if ( sc->chiptype == CHIP_I830 ) { | 28 */ 29 30/* 31 * Fixes for 830/845G support: David Dawes <dawes@xfree86.org> 32 */ 33 34#include "opt_bus.h" 35#include "opt_pci.h" --- 405 unchanged lines hidden (view full) --- 441agp_i810_unbind_page(device_t dev, int offset) 442{ 443 struct agp_i810_softc *sc = device_get_softc(dev); 444 445 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 446 return EINVAL; 447 448 if ( sc->chiptype == CHIP_I830 ) { |
| 449 if ( (offset >> AGP_PAGE_SHIFT) < sc->stolen ) | 449 if ( (offset >> AGP_PAGE_SHIFT) < sc->stolen ) { |
| 450 device_printf(dev, "trying to unbind from stolen memory"); | 450 device_printf(dev, "trying to unbind from stolen memory"); |
| 451 return EINVAL; | 451 return EINVAL; 452 } |
| 452 } 453 454 WRITE4(AGP_I810_GTT + (offset >> AGP_PAGE_SHIFT) * 4, 0); 455 return 0; 456} 457 458/* 459 * Writing via memory mapped registers already flushes all TLBs. --- 105 unchanged lines hidden (view full) --- 565 vm_offset_t offset) 566{ 567 struct agp_i810_softc *sc = device_get_softc(dev); 568 vm_offset_t i; 569 570 if (mem->am_type != 1) 571 return agp_generic_bind_memory(dev, mem, offset); 572 | 453 } 454 455 WRITE4(AGP_I810_GTT + (offset >> AGP_PAGE_SHIFT) * 4, 0); 456 return 0; 457} 458 459/* 460 * Writing via memory mapped registers already flushes all TLBs. --- 105 unchanged lines hidden (view full) --- 566 vm_offset_t offset) 567{ 568 struct agp_i810_softc *sc = device_get_softc(dev); 569 vm_offset_t i; 570 571 if (mem->am_type != 1) 572 return agp_generic_bind_memory(dev, mem, offset); 573 |
| 573 if ( sc->chiptype == CHIP_I830 ) { 574 if ((offset >> AGP_PAGE_SHIFT) < sc->stolen) 575 device_printf(dev, "trying to bind into stolen memory"); | 574 if ( sc->chiptype == CHIP_I830 ) |
| 576 return EINVAL; | 575 return EINVAL; |
| 577 } | |
| 578 579 for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { 580 WRITE4(AGP_I810_GTT + (offset >> AGP_PAGE_SHIFT) * 4, 581 i | 3); 582 } 583 584 return 0; 585} --- 52 unchanged lines hidden --- | 576 577 for (i = 0; i < mem->am_size; i += AGP_PAGE_SIZE) { 578 WRITE4(AGP_I810_GTT + (offset >> AGP_PAGE_SHIFT) * 4, 579 i | 3); 580 } 581 582 return 0; 583} --- 52 unchanged lines hidden --- |