| ppc.c (93021) | ppc.c (111748) |
|---|---|
| 1/*- 2 * Copyright (c) 1997-2000 Nicolas Souchu 3 * Copyright (c) 2001 Alcove - Nicolas Souchu 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) 1997-2000 Nicolas Souchu 3 * Copyright (c) 2001 Alcove - Nicolas Souchu 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/ppc/ppc.c 93021 2002-03-23 15:36:13Z nsouch $ | 27 * $FreeBSD: head/sys/dev/ppc/ppc.c 111748 2003-03-02 16:54:40Z des $ |
| 28 * 29 */ 30 31#include "opt_ppc.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> --- 1573 unchanged lines hidden (view full) --- 1609 ppc->ppc_dmaflags, 1610 ppc->ppc_dmaddr, 1611 ppc->ppc_dmacnt, 1612 ppc->ppc_dmachan); 1613 1614 ppc->ppc_dmastat = PPC_DMA_COMPLETE; 1615 1616 /* wakeup the waiting process */ | 28 * 29 */ 30 31#include "opt_ppc.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> --- 1573 unchanged lines hidden (view full) --- 1609 ppc->ppc_dmaflags, 1610 ppc->ppc_dmaddr, 1611 ppc->ppc_dmacnt, 1612 ppc->ppc_dmachan); 1613 1614 ppc->ppc_dmastat = PPC_DMA_COMPLETE; 1615 1616 /* wakeup the waiting process */ |
| 1617 wakeup((caddr_t)ppc); | 1617 wakeup(ppc); |
| 1618 } 1619 } 1620 } else if (ppc->ppc_irqstat & PPC_IRQ_FIFO) { 1621 1622 /* classic interrupt I/O */ 1623 ppc->ppc_irqstat &= ~PPC_IRQ_FIFO; 1624 } 1625 --- 89 unchanged lines hidden (view full) --- 1715 ppc->ppc_dmastat = PPC_DMA_STARTED; 1716 1717 /* Wait for the DMA completed interrupt. We hope we won't 1718 * miss it, otherwise a signal will be necessary to unlock the 1719 * process. 1720 */ 1721 do { 1722 /* release CPU */ | 1618 } 1619 } 1620 } else if (ppc->ppc_irqstat & PPC_IRQ_FIFO) { 1621 1622 /* classic interrupt I/O */ 1623 ppc->ppc_irqstat &= ~PPC_IRQ_FIFO; 1624 } 1625 --- 89 unchanged lines hidden (view full) --- 1715 ppc->ppc_dmastat = PPC_DMA_STARTED; 1716 1717 /* Wait for the DMA completed interrupt. We hope we won't 1718 * miss it, otherwise a signal will be necessary to unlock the 1719 * process. 1720 */ 1721 do { 1722 /* release CPU */ |
| 1723 error = tsleep((caddr_t)ppc, | 1723 error = tsleep(ppc, |
| 1724 PPBPRI | PCATCH, "ppcdma", 0); 1725 1726 } while (error == EWOULDBLOCK); 1727 1728 splx(s); 1729 1730 if (error) { 1731#ifdef PPC_DEBUG --- 15 unchanged lines hidden (view full) --- 1747 while (!(r_ecr(ppc) & PPC_FIFO_EMPTY)) { 1748 1749 for (spin=100; spin; spin--) 1750 if (r_ecr(ppc) & PPC_FIFO_EMPTY) 1751 goto fifo_empty; 1752#ifdef PPC_DEBUG 1753 printf("Z"); 1754#endif | 1724 PPBPRI | PCATCH, "ppcdma", 0); 1725 1726 } while (error == EWOULDBLOCK); 1727 1728 splx(s); 1729 1730 if (error) { 1731#ifdef PPC_DEBUG --- 15 unchanged lines hidden (view full) --- 1747 while (!(r_ecr(ppc) & PPC_FIFO_EMPTY)) { 1748 1749 for (spin=100; spin; spin--) 1750 if (r_ecr(ppc) & PPC_FIFO_EMPTY) 1751 goto fifo_empty; 1752#ifdef PPC_DEBUG 1753 printf("Z"); 1754#endif |
| 1755 error = tsleep((caddr_t)ppc, PPBPRI | PCATCH, "ppcfifo", hz/100); | 1755 error = tsleep(ppc, PPBPRI | PCATCH, "ppcfifo", hz/100); |
| 1756 if (error != EWOULDBLOCK) { 1757#ifdef PPC_DEBUG 1758 printf("I"); 1759#endif 1760 /* no dma, no interrupt, flush the fifo */ 1761 w_ecr(ppc, PPC_ECR_RESET); 1762 1763 ppc->ppc_dmastat = PPC_DMA_INTERRUPTED; --- 403 unchanged lines hidden --- | 1756 if (error != EWOULDBLOCK) { 1757#ifdef PPC_DEBUG 1758 printf("I"); 1759#endif 1760 /* no dma, no interrupt, flush the fifo */ 1761 w_ecr(ppc, PPC_ECR_RESET); 1762 1763 ppc->ppc_dmastat = PPC_DMA_INTERRUPTED; --- 403 unchanged lines hidden --- |