Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/arch/algor/include Use the definitions in mips/bus_{dma, ...
details: https://anonhg.NetBSD.org/src/rev/9d32b669e0f5
branches: trunk
changeset: 767141:9d32b669e0f5
user: dyoung <dyoung%NetBSD.org@localhost>
date: Sat Jul 09 17:22:08 2011 +0000
description:
Use the definitions in mips/bus_{dma,space}_{defs,funcs}.h.
diffstat:
sys/arch/algor/include/bus_defs.h | 390 +------------------------------------
sys/arch/algor/include/bus_funcs.h | 360 +---------------------------------
2 files changed, 7 insertions(+), 743 deletions(-)
diffs (truncated from 770 to 300 lines):
diff -r 7cd9e25ff66f -r 9d32b669e0f5 sys/arch/algor/include/bus_defs.h
--- a/sys/arch/algor/include/bus_defs.h Sat Jul 09 17:19:21 2011 +0000
+++ b/sys/arch/algor/include/bus_defs.h Sat Jul 09 17:22:08 2011 +0000
@@ -1,392 +1,10 @@
-/* $NetBSD: bus_defs.h,v 1.1 2011/07/01 17:09:58 dyoung Exp $ */
-
-/*-
- * Copyright (c) 1997, 1998, 2000, 2001 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
- * NASA Ames Research Center.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- * Copyright (c) 1996 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- *
- * Permission to use, copy, modify and distribute this software and
- * its documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution%CS.CMU.EDU@localhost
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- */
+/* $NetBSD: bus_defs.h,v 1.2 2011/07/09 17:22:08 dyoung Exp $ */
#ifndef _ALGOR_BUS_DEFS_H_
#define _ALGOR_BUS_DEFS_H_
-
-#include <sys/types.h>
-
-#ifdef _KERNEL
-/*
- * Addresses (in bus space).
- */
-typedef u_long bus_addr_t;
-typedef u_long bus_size_t;
-
-/*
- * Turn on BUS_SPACE_DEBUG if the global DEBUG option is enabled.
- */
-#if defined(DEBUG) && !defined(BUS_SPACE_DEBUG)
-#define BUS_SPACE_DEBUG
-#endif
-
-#ifdef BUS_SPACE_DEBUG
-#include <sys/systm.h> /* for printf() prototype */
-/*
- * Macros for checking the aligned-ness of pointers passed to bus
- * space ops. Strict alignment is required by the MIPS architecture,
- * and a trap will occur if unaligned access is performed. These
- * may aid in the debugging of a broken device driver by displaying
- * useful information about the problem.
- */
-#define __BUS_SPACE_ALIGNED_ADDRESS(p, t) \
- ((((u_long)(p)) & (sizeof(t)-1)) == 0)
-
-#define __BUS_SPACE_ADDRESS_SANITY(p, t, d) \
-({ \
- if (__BUS_SPACE_ALIGNED_ADDRESS((p), t) == 0) { \
- printf("%s 0x%lx not aligned to %zu bytes %s:%d\n", \
- d, (u_long)(p), sizeof(t), __FILE__, __LINE__); \
- } \
- (void) 0; \
-})
-
-#define BUS_SPACE_ALIGNED_POINTER(p, t) __BUS_SPACE_ALIGNED_ADDRESS(p, t)
-#else
-#define __BUS_SPACE_ADDRESS_SANITY(p, t, d) (void) 0
-#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
-#endif /* BUS_SPACE_DEBUG */
-#endif /* _KERNEL */
-
-struct mips_bus_space_translation;
-
-/*
- * Access methods for bus space.
- */
-typedef struct algor_bus_space *bus_space_tag_t;
-typedef u_long bus_space_handle_t;
-
-struct algor_bus_space {
- /* cookie */
- void *bs_cookie;
-
- /* mapping/unmapping */
- int (*bs_map)(void *, bus_addr_t, bus_size_t,
- int, bus_space_handle_t *, int);
- void (*bs_unmap)(void *, bus_space_handle_t,
- bus_size_t, int);
- int (*bs_subregion)(void *, bus_space_handle_t,
- bus_size_t, bus_size_t, bus_space_handle_t *);
-
- /* ALGOR SPECIFIC MAPPING METHOD */
- int (*bs_translate)(void *, bus_addr_t, bus_size_t,
- int, struct mips_bus_space_translation *);
- int (*bs_get_window)(void *, int,
- struct mips_bus_space_translation *);
-
- /* allocation/deallocation */
- int (*bs_alloc)(void *, bus_addr_t, bus_addr_t,
- bus_size_t, bus_size_t, bus_size_t, int,
- bus_addr_t *, bus_space_handle_t *);
- void (*bs_free)(void *, bus_space_handle_t,
- bus_size_t);
-
- /* get kernel virtual address */
- void * (*bs_vaddr)(void *, bus_space_handle_t);
-
- /* mmap for user */
- paddr_t (*bs_mmap)(void *, bus_addr_t, off_t, int, int);
-
- /* barrier */
- void (*bs_barrier)(void *, bus_space_handle_t,
- bus_size_t, bus_size_t, int);
-
- /* read (single) */
- u_int8_t (*bs_r_1)(void *, bus_space_handle_t,
- bus_size_t);
- u_int16_t (*bs_r_2)(void *, bus_space_handle_t,
- bus_size_t);
- u_int32_t (*bs_r_4)(void *, bus_space_handle_t,
- bus_size_t);
- u_int64_t (*bs_r_8)(void *, bus_space_handle_t,
- bus_size_t);
-
- /* read multiple */
- void (*bs_rm_1)(void *, bus_space_handle_t,
- bus_size_t, u_int8_t *, bus_size_t);
- void (*bs_rm_2)(void *, bus_space_handle_t,
- bus_size_t, u_int16_t *, bus_size_t);
- void (*bs_rm_4)(void *, bus_space_handle_t,
- bus_size_t, u_int32_t *, bus_size_t);
- void (*bs_rm_8)(void *, bus_space_handle_t,
- bus_size_t, u_int64_t *, bus_size_t);
-
- /* read region */
- void (*bs_rr_1)(void *, bus_space_handle_t,
- bus_size_t, u_int8_t *, bus_size_t);
- void (*bs_rr_2)(void *, bus_space_handle_t,
- bus_size_t, u_int16_t *, bus_size_t);
- void (*bs_rr_4)(void *, bus_space_handle_t,
- bus_size_t, u_int32_t *, bus_size_t);
- void (*bs_rr_8)(void *, bus_space_handle_t,
- bus_size_t, u_int64_t *, bus_size_t);
-
- /* write (single) */
- void (*bs_w_1)(void *, bus_space_handle_t,
- bus_size_t, u_int8_t);
- void (*bs_w_2)(void *, bus_space_handle_t,
- bus_size_t, u_int16_t);
- void (*bs_w_4)(void *, bus_space_handle_t,
- bus_size_t, u_int32_t);
- void (*bs_w_8)(void *, bus_space_handle_t,
- bus_size_t, u_int64_t);
-
- /* write multiple */
- void (*bs_wm_1)(void *, bus_space_handle_t,
- bus_size_t, const u_int8_t *, bus_size_t);
- void (*bs_wm_2)(void *, bus_space_handle_t,
- bus_size_t, const u_int16_t *, bus_size_t);
- void (*bs_wm_4)(void *, bus_space_handle_t,
- bus_size_t, const u_int32_t *, bus_size_t);
- void (*bs_wm_8)(void *, bus_space_handle_t,
- bus_size_t, const u_int64_t *, bus_size_t);
-
- /* write region */
- void (*bs_wr_1)(void *, bus_space_handle_t,
- bus_size_t, const u_int8_t *, bus_size_t);
- void (*bs_wr_2)(void *, bus_space_handle_t,
- bus_size_t, const u_int16_t *, bus_size_t);
- void (*bs_wr_4)(void *, bus_space_handle_t,
- bus_size_t, const u_int32_t *, bus_size_t);
- void (*bs_wr_8)(void *, bus_space_handle_t,
- bus_size_t, const u_int64_t *, bus_size_t);
-
- /* set multiple */
- void (*bs_sm_1)(void *, bus_space_handle_t,
- bus_size_t, u_int8_t, bus_size_t);
- void (*bs_sm_2)(void *, bus_space_handle_t,
- bus_size_t, u_int16_t, bus_size_t);
- void (*bs_sm_4)(void *, bus_space_handle_t,
- bus_size_t, u_int32_t, bus_size_t);
- void (*bs_sm_8)(void *, bus_space_handle_t,
- bus_size_t, u_int64_t, bus_size_t);
+#define _MIPS_NEED_BUS_DMA_BOUNCE
- /* set region */
- void (*bs_sr_1)(void *, bus_space_handle_t,
- bus_size_t, u_int8_t, bus_size_t);
- void (*bs_sr_2)(void *, bus_space_handle_t,
- bus_size_t, u_int16_t, bus_size_t);
- void (*bs_sr_4)(void *, bus_space_handle_t,
- bus_size_t, u_int32_t, bus_size_t);
- void (*bs_sr_8)(void *, bus_space_handle_t,
- bus_size_t, u_int64_t, bus_size_t);
-
- /* copy */
- void (*bs_c_1)(void *, bus_space_handle_t, bus_size_t,
- bus_space_handle_t, bus_size_t, bus_size_t);
- void (*bs_c_2)(void *, bus_space_handle_t, bus_size_t,
- bus_space_handle_t, bus_size_t, bus_size_t);
- void (*bs_c_4)(void *, bus_space_handle_t, bus_size_t,
- bus_space_handle_t, bus_size_t, bus_size_t);
- void (*bs_c_8)(void *, bus_space_handle_t, bus_size_t,
- bus_space_handle_t, bus_size_t, bus_size_t);
-};
-
-/*
- * Translation of an MIPS bus address; INTERNAL USE ONLY.
- */
-struct mips_bus_space_translation {
- bus_addr_t mbst_bus_start; /* start of bus window */
- bus_addr_t mbst_bus_end; /* end of bus window */
- paddr_t mbst_sys_start; /* start of sysBus window */
- paddr_t mbst_sys_end; /* end of sysBus window */
- int mbst_align_stride;/* alignment stride */
- int mbst_flags; /* flags; see below */
-};
-
-#define BUS_SPACE_MAP_CACHEABLE 0x01
-#define BUS_SPACE_MAP_LINEAR 0x02
-#define BUS_SPACE_MAP_PREFETCHABLE 0x04
-
-#ifdef _KERNEL
-
-#define BUS_SPACE_BARRIER_READ 0x01
-#define BUS_SPACE_BARRIER_WRITE 0x02
-
-#define __BUS_SPACE_HAS_STREAM_METHODS 1
-
-/*
- * Flags used in various bus DMA methods.
- */
-#define BUS_DMA_WAITOK 0x000 /* safe to sleep (pseudo-flag) */
-#define BUS_DMA_NOWAIT 0x001 /* not safe to sleep */
-#define BUS_DMA_ALLOCNOW 0x002 /* perform resource allocation now */
-#define BUS_DMA_COHERENT 0x004 /* hint: map memory DMA coherent */
-#define BUS_DMA_STREAMING 0x008 /* hint: sequential, unidirectional */
-#define BUS_DMA_BUS1 0x010 /* placeholders for bus functions... */
-#define BUS_DMA_BUS2 0x020
-#define BUS_DMA_BUS3 0x040
-#define BUS_DMA_BUS4 0x080
-#define BUS_DMA_READ 0x100 /* mapping is device -> memory only */
-#define BUS_DMA_WRITE 0x200 /* mapping is memory -> device only */
-#define BUS_DMA_NOCACHE 0x400 /* hint: map non-cached memory */
-
-/*
- * Private flags stored in the DMA map.
- */
-#define ALGOR_DMAMAP_COHERENT 0x10000 /* no cache flush necessary on sync */
-
-/* Forwards needed by prototypes below. */
-struct mbuf;
-struct uio;
-
-/*
- * Operations performed by bus_dmamap_sync().
- */
-#define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */
-#define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */
-#define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */
Home |
Main Index |
Thread Index |
Old Index