1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1999, 2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/kmem.h> 31 #include <sys/systm.h> 32 #include <sys/ddi.h> 33 #include <sys/sunddi.h> 34 #include <sys/sunndi.h> 35 #include <sys/ddidmareq.h> 36 #include <sys/ddi_impldefs.h> 37 #include <sys/ndi_impldefs.h> 38 #include <sys/fcode.h> 39 40 /* 41 * We want to call the attachment point's dma ctl op, not his parent's 42 * dma ctl op, so we have to code this ourselves. (the dma setup functions 43 * already implement this functionality for us.) 44 */ 45 int 46 fc_ddi_dma_htoc(dev_info_t *ap, ddi_dma_handle_t h, off_t o, 47 ddi_dma_cookie_t *c) 48 { 49 int (*fp)(); 50 51 fp = DEVI(ap)->devi_ops->devo_bus_ops->bus_dma_ctl; 52 return ((*fp) (ap, ap, h, DDI_DMA_HTOC, &o, 0, (caddr_t *)c, 0)); 53 } 54 55 int 56 fc_ddi_dma_free(dev_info_t *ap, ddi_dma_handle_t h) 57 { 58 int (*fp)(); 59 60 fp = DEVI(ap)->devi_ops->devo_bus_ops->bus_dma_ctl; 61 return ((*fp) (ap, ap, h, DDI_DMA_FREE, 0, 0, 0, 0)); 62 } 63 64 int 65 fc_ddi_dma_sync(ddi_dma_handle_t h, off_t o, size_t l, uint_t whom) 66 { 67 ddi_dma_impl_t *hp = (ddi_dma_impl_t *)h; 68 dev_info_t *dip; 69 int (*funcp)(dev_info_t *, dev_info_t *, ddi_dma_handle_t, off_t, 70 size_t, uint_t); 71 72 /* 73 * the DMA nexus driver will set DMP_NOSYNC if the 74 * platform does not require any sync operation. For 75 * example if the memory is uncached or consistent 76 * and without any I/O write buffers involved. 77 */ 78 if ((hp->dmai_rflags & DMP_NOSYNC) == DMP_NOSYNC) 79 return (DDI_SUCCESS); 80 81 dip = hp->dmai_rdip; 82 funcp = DEVI(dip)->devi_ops->devo_bus_ops->bus_dma_flush; 83 return ((*funcp)(dip, dip, h, o, l, whom)); 84 } 85 86 /* 87 * Create untyped properties, just like 1275 properties. 88 * XXX: Assumes property encoding is the natural byte order. 89 */ 90 int 91 fc_ndi_prop_update(dev_t match_dev, dev_info_t *dip, 92 char *name, uchar_t *data, uint_t nelements) 93 { 94 return (ddi_prop_update_common(match_dev, dip, 95 DDI_PROP_HW_DEF | DDI_PROP_TYPE_ANY, 96 name, data, nelements, ddi_prop_fm_encode_bytes)); 97 } 98