| isa_dma.c (141391) | isa_dma.c (146214) |
|---|---|
| 1/*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 33 */ 34 35#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * from: @(#)isa.c 7.2 (Berkeley) 5/13/91 33 */ 34 35#include <sys/cdefs.h> |
| 36__FBSDID("$FreeBSD: head/sys/i386/isa/isa_dma.c 141391 2005-02-06 13:46:39Z phk $"); | 36__FBSDID("$FreeBSD: head/sys/i386/isa/isa_dma.c 146214 2005-05-14 10:14:56Z nyan $"); |
| 37 38/* 39 * code to manage AT bus 40 * 41 * 92/08/18 Frank P. MacLachlan (fpm@crash.cts.com): 42 * Fixed uninitialized variable problem and added code to deal 43 * with DMA page boundaries in isa_dmarangecheck(). Fixed word 44 * mode DMA count compution and reorganized DMA setup code in --- 7 unchanged lines hidden (view full) --- 52#include <sys/malloc.h> 53#include <sys/lock.h> 54#include <sys/proc.h> 55#include <sys/mutex.h> 56#include <sys/module.h> 57#include <vm/vm.h> 58#include <vm/vm_param.h> 59#include <vm/pmap.h> | 37 38/* 39 * code to manage AT bus 40 * 41 * 92/08/18 Frank P. MacLachlan (fpm@crash.cts.com): 42 * Fixed uninitialized variable problem and added code to deal 43 * with DMA page boundaries in isa_dmarangecheck(). Fixed word 44 * mode DMA count compution and reorganized DMA setup code in --- 7 unchanged lines hidden (view full) --- 52#include <sys/malloc.h> 53#include <sys/lock.h> 54#include <sys/proc.h> 55#include <sys/mutex.h> 56#include <sys/module.h> 57#include <vm/vm.h> 58#include <vm/vm_param.h> 59#include <vm/pmap.h> |
| 60#include <i386/isa/isa.h> 61#include <dev/ic/i8237.h> | 60#include <isa/isareg.h> |
| 62#include <isa/isavar.h> | 61#include <isa/isavar.h> |
| 62#include <isa/isa_dmareg.h> |
|
| 63 64static int isa_dmarangecheck(caddr_t va, u_int length, int chan); 65 66static caddr_t dma_bouncebuf[8]; 67static u_int dma_bouncebufsize[8]; 68static u_int8_t dma_bounced = 0; 69static u_int8_t dma_busy = 0; /* Used in isa_dmastart() */ 70static u_int8_t dma_inuse = 0; /* User for acquire/release */ --- 484 unchanged lines hidden --- | 63 64static int isa_dmarangecheck(caddr_t va, u_int length, int chan); 65 66static caddr_t dma_bouncebuf[8]; 67static u_int dma_bouncebufsize[8]; 68static u_int8_t dma_bounced = 0; 69static u_int8_t dma_busy = 0; /* Used in isa_dmastart() */ 70static u_int8_t dma_inuse = 0; /* User for acquire/release */ --- 484 unchanged lines hidden --- |