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usb_mem.h revision 1.28.2.2 
      1  1.28.2.2  jdolecek /*	$NetBSD: usb_mem.h,v 1.28.2.2 2017/12/03 11:37:34 jdolecek Exp $	*/
      2      1.11  augustss /*	$FreeBSD: src/sys/dev/usb/usb_mem.h,v 1.9 1999/11/17 22:33:47 n_hibma Exp $	*/
      3       1.1  augustss 
      4       1.1  augustss /*
      5       1.1  augustss  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      6       1.1  augustss  * All rights reserved.
      7       1.1  augustss  *
      8       1.2  augustss  * This code is derived from software contributed to The NetBSD Foundation
      9      1.13  augustss  * by Lennart Augustsson (lennart (at) augustsson.net) at
     10       1.2  augustss  * Carlstedt Research & Technology.
     11       1.1  augustss  *
     12       1.1  augustss  * Redistribution and use in source and binary forms, with or without
     13       1.1  augustss  * modification, are permitted provided that the following conditions
     14       1.1  augustss  * are met:
     15       1.1  augustss  * 1. Redistributions of source code must retain the above copyright
     16       1.1  augustss  *    notice, this list of conditions and the following disclaimer.
     17       1.1  augustss  * 2. Redistributions in binary form must reproduce the above copyright
     18       1.1  augustss  *    notice, this list of conditions and the following disclaimer in the
     19       1.1  augustss  *    documentation and/or other materials provided with the distribution.
     20       1.1  augustss  *
     21       1.1  augustss  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     22       1.1  augustss  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     23       1.1  augustss  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24       1.1  augustss  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     25       1.1  augustss  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26       1.1  augustss  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27       1.1  augustss  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28       1.1  augustss  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29       1.1  augustss  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30       1.1  augustss  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31       1.1  augustss  * POSSIBILITY OF SUCH DAMAGE.
     32       1.1  augustss  */
     33       1.1  augustss 
     34       1.6  augustss typedef struct usb_dma_block {
     35       1.1  augustss 	bus_dma_tag_t tag;
     36       1.1  augustss 	bus_dmamap_t map;
     37  1.28.2.2  jdolecek 	void *kaddr;
     38  1.28.2.2  jdolecek 	bus_dma_segment_t *segs;
     39  1.28.2.2  jdolecek 	int nsegs;
     40  1.28.2.2  jdolecek 	int nsegs_alloc;
     41  1.28.2.2  jdolecek 	size_t size;
     42  1.28.2.2  jdolecek 	size_t align;
     43      1.21      fvdl 	int flags;
     44      1.21      fvdl #define USB_DMA_FULLBLOCK	0x0001
     45       1.6  augustss 	LIST_ENTRY(usb_dma_block) next;
     46       1.1  augustss } usb_dma_block_t;
     47       1.1  augustss 
     48  1.28.2.1       tls #define USBMALLOC_MULTISEG	1
     49       1.1  augustss 
     50  1.28.2.2  jdolecek usbd_status	usb_allocmem(struct usbd_bus *, size_t, size_t, usb_dma_t *);
     51  1.28.2.2  jdolecek usbd_status	usb_allocmem_flags(struct usbd_bus *, size_t, size_t, usb_dma_t *,
     52  1.28.2.1       tls 			int);
     53  1.28.2.2  jdolecek void		usb_freemem(struct usbd_bus *, usb_dma_t *);
     54  1.28.2.2  jdolecek void		usb_syncmem(usb_dma_t *, bus_addr_t, bus_size_t, int);
     55       1.3  augustss 
     56  1.28.2.1       tls bus_addr_t	usb_dmaaddr(usb_dma_t *, unsigned int);
     57  1.28.2.1       tls 
     58  1.28.2.1       tls #define DMAADDR(dma, o) usb_dmaaddr((dma), (o))
     59  1.28.2.1       tls #define KERNADDR(dma, o) \
     60  1.28.2.2  jdolecek 	((void *)((char *)(dma)->udma_block->kaddr + (dma)->udma_offs + (o)))
     61