1602 lines
46 KiB
C
1602 lines
46 KiB
C
/* $NetBSD: bus.h,v 1.57 2007/03/04 06:00:49 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1996, 1997, 1998, 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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) 1997-1999, 2001 Eduardo E. Horvath. All rights reserved.
|
|
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
|
|
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
#ifndef _SPARC_BUS_H_
|
|
#define _SPARC_BUS_H_
|
|
|
|
#include <machine/types.h>
|
|
#include <machine/ctlreg.h>
|
|
|
|
/*
|
|
* Debug hooks
|
|
*/
|
|
|
|
#define BSDB_ACCESS 0x01
|
|
#define BSDB_MAP 0x02
|
|
extern int bus_space_debug;
|
|
|
|
/*
|
|
* UPA and SBUS spaces are non-cached and big endian
|
|
* (except for RAM and PROM)
|
|
*
|
|
* PCI spaces are non-cached and little endian
|
|
*/
|
|
|
|
enum bus_type {
|
|
UPA_BUS_SPACE,
|
|
SBUS_BUS_SPACE,
|
|
PCI_CONFIG_BUS_SPACE,
|
|
PCI_IO_BUS_SPACE,
|
|
PCI_MEMORY_BUS_SPACE,
|
|
LAST_BUS_SPACE
|
|
};
|
|
/* For backwards compatibility */
|
|
#define SPARC_BUS_SPACE UPA_BUS_SPACE
|
|
|
|
#define __BUS_SPACE_HAS_STREAM_METHODS 1
|
|
|
|
/*
|
|
* Bus address and size types
|
|
*/
|
|
typedef struct _bus_space_handle {
|
|
uint64_t _ptr;
|
|
int8_t _asi;
|
|
int8_t _sasi;
|
|
char _virtual;
|
|
} bus_space_handle_t;
|
|
typedef enum bus_type bus_type_t;
|
|
typedef u_int64_t bus_addr_t;
|
|
typedef u_int64_t bus_size_t;
|
|
|
|
/*
|
|
* XXXX -- convert prom virtual address to bus_space_handle_t
|
|
*/
|
|
#define sparc_promaddr_to_handle(tag, promaddr, hp) \
|
|
do { \
|
|
(hp)->_ptr = (uint64_t)(promaddr); \
|
|
(hp)->_asi = ASI_PRIMARY; \
|
|
(hp)->_sasi = ASI_PRIMARY; \
|
|
} while (0)
|
|
|
|
/* For buses which have an iospace. */
|
|
#define BUS_ADDR_IOSPACE(x) ((x)>>32)
|
|
#define BUS_ADDR_PADDR(x) ((x)&0xffffffff)
|
|
#define BUS_ADDR(io, pa) ((((bus_addr_t)io)<<32)|(pa))
|
|
|
|
/*
|
|
* Access methods for bus resources and address space.
|
|
*/
|
|
typedef struct sparc_bus_space_tag *bus_space_tag_t;
|
|
|
|
struct sparc_bus_space_tag {
|
|
void *cookie;
|
|
bus_space_tag_t parent;
|
|
/*
|
|
* Windows onto the parent bus that this tag maps. If ranges
|
|
* is non-NULL, the address will be translated, and recursively
|
|
* mapped via the parent tag.
|
|
*/
|
|
struct openprom_range *ranges;
|
|
int nranges;
|
|
|
|
int type;
|
|
|
|
int (*sparc_bus_alloc)(bus_space_tag_t, bus_addr_t,
|
|
bus_addr_t, bus_size_t, bus_size_t, bus_size_t, int,
|
|
bus_addr_t *, bus_space_handle_t *);
|
|
|
|
void (*sparc_bus_free)(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t);
|
|
|
|
int (*sparc_bus_map)(bus_space_tag_t, bus_addr_t, bus_size_t,
|
|
int, vaddr_t, bus_space_handle_t *);
|
|
|
|
int (*sparc_bus_unmap)(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t);
|
|
|
|
int (*sparc_bus_subregion)(bus_space_tag_t,
|
|
bus_space_handle_t, bus_size_t, bus_size_t,
|
|
bus_space_handle_t *);
|
|
|
|
paddr_t (*sparc_bus_mmap)(bus_space_tag_t, bus_addr_t, off_t,
|
|
int, int);
|
|
|
|
void *(*sparc_intr_establish)(bus_space_tag_t, int, int,
|
|
int (*)(void *), void *, void (*)(void));
|
|
|
|
};
|
|
|
|
bus_space_tag_t bus_space_tag_alloc(bus_space_tag_t, void *);
|
|
int bus_space_translate_address_generic(struct openprom_range *,
|
|
int, bus_addr_t *);
|
|
|
|
#if 0
|
|
/*
|
|
* The following macro could be used to generate the bus_space*() functions
|
|
* but it uses a gcc extension and is ANSI-only.
|
|
#define PROTO_bus_space_xxx (bus_space_tag_t t, ...)
|
|
#define RETURNTYPE_bus_space_xxx void *
|
|
#define BUSFUN(name, returntype, t, args...) \
|
|
static __inline RETURNTYPE_##name \
|
|
bus_##name PROTO_##name \
|
|
{ \
|
|
while (t->sparc_##name == NULL) \
|
|
t = t->parent; \
|
|
return (*(t)->sparc_##name)(t, args); \
|
|
}
|
|
*/
|
|
#endif
|
|
|
|
/*
|
|
* Bus space function prototypes.
|
|
*/
|
|
static int bus_space_alloc(
|
|
bus_space_tag_t,
|
|
bus_addr_t, /* reg start */
|
|
bus_addr_t, /* reg end */
|
|
bus_size_t, /* size */
|
|
bus_size_t, /* alignment */
|
|
bus_size_t, /* boundary */
|
|
int, /* flags */
|
|
bus_addr_t *,
|
|
bus_space_handle_t *);
|
|
static void bus_space_free(
|
|
bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t);
|
|
static int bus_space_map(
|
|
bus_space_tag_t,
|
|
bus_addr_t,
|
|
bus_size_t,
|
|
int, /*flags*/
|
|
bus_space_handle_t *);
|
|
static int bus_space_unmap(
|
|
bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t);
|
|
static int bus_space_subregion(
|
|
bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t,
|
|
bus_space_handle_t *);
|
|
static void bus_space_barrier(
|
|
bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t,
|
|
int);
|
|
static paddr_t bus_space_mmap(
|
|
bus_space_tag_t,
|
|
bus_addr_t, /*addr*/
|
|
off_t, /*offset*/
|
|
int, /*prot*/
|
|
int); /*flags*/
|
|
static void *bus_intr_establish(
|
|
bus_space_tag_t,
|
|
int, /*bus-specific intr*/
|
|
int, /*device class level,
|
|
see machine/intr.h*/
|
|
int (*)(void *), /*handler*/
|
|
void *); /*handler arg*/
|
|
|
|
|
|
/* This macro finds the first "upstream" implementation of method `f' */
|
|
#define _BS_CALL(t,f) \
|
|
while (t->f == NULL) \
|
|
t = t->parent; \
|
|
return (*(t)->f)
|
|
|
|
static __inline int
|
|
bus_space_alloc(bus_space_tag_t t, bus_addr_t rs, bus_addr_t re, bus_size_t s,
|
|
bus_size_t a, bus_size_t b, int f, bus_addr_t *ap,
|
|
bus_space_handle_t *hp)
|
|
{
|
|
_BS_CALL(t, sparc_bus_alloc)(t, rs, re, s, a, b, f, ap, hp);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_free(bus_space_tag_t t, bus_space_handle_t h, bus_size_t s)
|
|
{
|
|
_BS_CALL(t, sparc_bus_free)(t, h, s);
|
|
}
|
|
|
|
static __inline int
|
|
bus_space_map(bus_space_tag_t t, bus_addr_t a, bus_size_t s, int f,
|
|
bus_space_handle_t *hp)
|
|
{
|
|
_BS_CALL(t, sparc_bus_map)(t, a, s, f, 0, hp);
|
|
}
|
|
|
|
static __inline int
|
|
bus_space_unmap(bus_space_tag_t t, bus_space_handle_t h, bus_size_t s)
|
|
{
|
|
_BS_CALL(t, sparc_bus_unmap)(t, h, s);
|
|
}
|
|
|
|
static __inline int
|
|
bus_space_subregion(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
bus_size_t s, bus_space_handle_t *hp)
|
|
{
|
|
_BS_CALL(t, sparc_bus_subregion)(t, h, o, s, hp);
|
|
}
|
|
|
|
static __inline paddr_t
|
|
bus_space_mmap(bus_space_tag_t t, bus_addr_t a, off_t o, int p, int f)
|
|
{
|
|
_BS_CALL(t, sparc_bus_mmap)(t, a, o, p, f);
|
|
}
|
|
|
|
static __inline void *
|
|
bus_intr_establish(bus_space_tag_t t, int p, int l, int (*h)(void *), void *a)
|
|
{
|
|
_BS_CALL(t, sparc_intr_establish)(t, p, l, h, a, NULL);
|
|
}
|
|
|
|
/* XXXX Things get complicated if we use unmapped register accesses. */
|
|
#define bus_space_vaddr(t, h) (PHYS_ASI((h)._asi) ? \
|
|
NULL : (void *)(vaddr_t)((h)._ptr))
|
|
|
|
/* flags for bus space map functions */
|
|
#define BUS_SPACE_MAP_CACHEABLE 0x0001
|
|
#define BUS_SPACE_MAP_LINEAR 0x0002
|
|
#define BUS_SPACE_MAP_READONLY 0x0004
|
|
#define BUS_SPACE_MAP_PREFETCHABLE 0x0008
|
|
#define BUS_SPACE_MAP_BUS1 0x0100
|
|
#define BUS_SPACE_MAP_BUS2 0x0200
|
|
#define BUS_SPACE_MAP_BUS3 0x0400
|
|
#define BUS_SPACE_MAP_BUS4 0x0800
|
|
|
|
|
|
/* flags for bus_space_barrier() */
|
|
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
|
|
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
|
|
|
|
static __inline void
|
|
bus_space_barrier(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, bus_size_t s, int f)
|
|
{
|
|
/*
|
|
* We have a bit of a problem with the bus_space_barrier()
|
|
* interface. It defines a read barrier and a write barrier
|
|
* which really don't map to the 7 different types of memory
|
|
* barriers in the SPARC v9 instruction set.
|
|
*/
|
|
if (f == BUS_SPACE_BARRIER_READ)
|
|
/* A load followed by a load to the same location? */
|
|
__asm volatile("membar #Lookaside");
|
|
else if (f == BUS_SPACE_BARRIER_WRITE)
|
|
/* A store followed by a store? */
|
|
__asm volatile("membar #StoreStore");
|
|
else
|
|
/* A store followed by a load? */
|
|
__asm volatile("membar #StoreLoad|#MemIssue|#Lookaside");
|
|
}
|
|
|
|
/*
|
|
* u_intN_t bus_space_read_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset);
|
|
*
|
|
* Read a 1, 2, 4, or 8 byte quantity from bus space
|
|
* described by tag/handle/offset.
|
|
*/
|
|
#ifndef BUS_SPACE_DEBUG
|
|
#define bus_space_read_1(t, h, o) \
|
|
(0 ? (t)->type : lduba((h)._ptr + (o), (h)._asi))
|
|
|
|
#define bus_space_read_2(t, h, o) \
|
|
(0 ? (t)->type : lduha((h)._ptr + (o), (h)._asi))
|
|
|
|
#define bus_space_read_4(t, h, o) \
|
|
(0 ? (t)->type : lda((h)._ptr + (o), (h)._asi))
|
|
|
|
#define bus_space_read_8(t, h, o) \
|
|
(0 ? (t)->type : ldxa((h)._ptr + (o), (h)._asi))
|
|
#else
|
|
#define bus_space_read_1(t, h, o) ({ \
|
|
unsigned char __bv = \
|
|
lduba((h)._ptr + (o), (h)._asi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr1(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (unsigned int) __bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_2(t, h, o) ({ \
|
|
unsigned short __bv = \
|
|
lduha((h)._ptr + (o), (h)._asi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr2(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (unsigned int)__bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_4(t, h, o) ({ \
|
|
unsigned int __bv = \
|
|
lda((h)._ptr + (o), (h)._asi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr4(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, __bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_8(t, h, o) ({ \
|
|
u_int64_t __bv = \
|
|
ldxa((h)._ptr + (o), (h)._asi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr8(%llx + %llx, %x) -> %llx\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (long long)__bv); \
|
|
__bv; })
|
|
#endif
|
|
/*
|
|
* void bus_space_read_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* u_intN_t *addr, size_t count);
|
|
*
|
|
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
|
|
* described by tag/handle/offset and copy into buffer provided.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_read_multi_1(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, u_int8_t *, size_t);
|
|
static __inline void
|
|
bus_space_read_multi_2(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, u_int16_t *, size_t);
|
|
static __inline void
|
|
bus_space_read_multi_4(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, u_int32_t *, size_t);
|
|
static __inline void
|
|
bus_space_read_multi_8(bus_space_tag_t, bus_space_handle_t,
|
|
bus_size_t, u_int64_t *, size_t);
|
|
|
|
static __inline void
|
|
bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int8_t * a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_1(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_2(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int16_t * a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_2(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_4(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int32_t * a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_4(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_8(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int64_t * a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_8(t, h, o);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* u_intN_t value);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `value' to bus space
|
|
* described by tag/handle/offset.
|
|
*/
|
|
#ifndef BUS_SPACE_DEBUG
|
|
#define bus_space_write_1(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stba((h)._ptr + (o), (h)._asi, (v)))))
|
|
|
|
#define bus_space_write_2(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stha((h)._ptr + (o), (h)._asi, (v)))))
|
|
|
|
#define bus_space_write_4(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(sta((h)._ptr + (o), (h)._asi, (v)))))
|
|
|
|
#define bus_space_write_8(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stxa((h)._ptr + (o), (h)._asi, (v)))))
|
|
#else
|
|
#define bus_space_write_1(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw1(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (unsigned int) v); \
|
|
((void)(stba((h)._ptr + (o), (h)._asi, (v)))); })
|
|
|
|
#define bus_space_write_2(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw2(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (unsigned int) v); \
|
|
((void)(stha((h)._ptr + (o), (h)._asi, (v)))); })
|
|
|
|
#define bus_space_write_4(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw4(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (unsigned int) v); \
|
|
((void)(sta((h)._ptr + (o), (h)._asi, (v)))); })
|
|
|
|
#define bus_space_write_8(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw8(%llx + %llx, %x) <- %llx\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._asi, (long long) v); \
|
|
((void)(stxa((h)._ptr + (o), (h)._asi, (v)))); })
|
|
#endif
|
|
/*
|
|
* void bus_space_write_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* const u_intN_t *addr, size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
|
|
* provided to bus space described by tag/handle/offset.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_write_multi_1(bus_space_tag_t tag,
|
|
bus_space_handle_t bsh, bus_size_t offset,
|
|
const u_int8_t *addr, size_t count);
|
|
static __inline void
|
|
bus_space_write_multi_2(bus_space_tag_t tag,
|
|
bus_space_handle_t bsh, bus_size_t offset,
|
|
const u_int16_t *addr, size_t count);
|
|
static __inline void
|
|
bus_space_write_multi_4(bus_space_tag_t tag,
|
|
bus_space_handle_t bsh, bus_size_t offset,
|
|
const u_int32_t *addr, size_t count);
|
|
static __inline void
|
|
bus_space_write_multi_8(bus_space_tag_t tag,
|
|
bus_space_handle_t bsh, bus_size_t offset,
|
|
const u_int64_t *addr, size_t count);
|
|
|
|
static __inline void
|
|
bus_space_write_multi_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int8_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_1(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int16_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_2(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int32_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_4(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int64_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_8(t, h, o, *a++);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_multi_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle/offset `count' times.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_set_multi_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int8_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int16_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int32_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int64_t v,
|
|
size_t c);
|
|
|
|
static __inline void
|
|
bus_space_set_multi_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int8_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_1(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int16_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_2(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int32_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_4(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int64_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_8(t, h, o, v);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_read_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_read_region_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int8_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int16_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int32_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int64_t *,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_read_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
u_int8_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o++)
|
|
*a = bus_space_read_1(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
u_int16_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=2)
|
|
*a = bus_space_read_2(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
u_int32_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=4)
|
|
*a = bus_space_read_4(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
u_int64_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=8)
|
|
*a = bus_space_read_8(t, h, o);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_write_region_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int8_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int16_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int32_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int64_t *,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_write_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int8_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o++)
|
|
bus_space_write_1(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int16_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=2)
|
|
bus_space_write_2(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int32_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=4)
|
|
bus_space_write_4(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int64_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=8)
|
|
bus_space_write_8(t, h, o, *a);
|
|
}
|
|
|
|
|
|
/*
|
|
* void bus_space_set_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_set_region_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int8_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int16_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int32_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int64_t,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_set_region_1(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int8_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o++)
|
|
bus_space_write_1(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_2(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int16_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=2)
|
|
bus_space_write_2(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_4(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int32_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=4)
|
|
bus_space_write_4(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_8(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o,
|
|
const u_int64_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=8)
|
|
bus_space_write_8(t, h, o, v);
|
|
}
|
|
|
|
|
|
/*
|
|
* void bus_space_copy_region_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh1, bus_size_t off1,
|
|
* bus_space_handle_t bsh2, bus_size_t off2,
|
|
* bus_size_t count);
|
|
*
|
|
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
|
|
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
|
|
*/
|
|
static void bus_space_copy_region_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
|
|
|
|
static __inline void
|
|
bus_space_copy_region_1(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1,
|
|
bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1++, o2++)
|
|
bus_space_write_1(t, h1, o1, bus_space_read_1(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_2(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1,
|
|
bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=2, o2+=2)
|
|
bus_space_write_2(t, h1, o1, bus_space_read_2(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_4(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1,
|
|
bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=4, o2+=4)
|
|
bus_space_write_4(t, h1, o1, bus_space_read_4(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_8(bus_space_tag_t t, bus_space_handle_t h1, bus_size_t o1,
|
|
bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=8, o2+=8)
|
|
bus_space_write_8(t, h1, o1, bus_space_read_8(t, h2, o2));
|
|
}
|
|
|
|
/*
|
|
* u_intN_t bus_space_read_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset);
|
|
*
|
|
* Read a 1, 2, 4, or 8 byte quantity from bus space
|
|
* described by tag/handle/offset.
|
|
*/
|
|
#ifndef BUS_SPACE_DEBUG
|
|
#define bus_space_read_stream_1(t, h, o) \
|
|
(0 ? (t)->type : lduba((h)._ptr + (o), (h)._sasi))
|
|
|
|
#define bus_space_read_stream_2(t, h, o) \
|
|
(0 ? (t)->type : lduha((h)._ptr + (o), (h)._sasi))
|
|
|
|
#define bus_space_read_stream_4(t, h, o) \
|
|
(0 ? (t)->type : lda((h)._ptr + (o), (h)._sasi))
|
|
|
|
#define bus_space_read_stream_8(t, h, o) \
|
|
(0 ? (t)->type : ldxa((h)._ptr + (o), (h)._sasi))
|
|
#else
|
|
#define bus_space_read_stream_1(t, h, o) ({ \
|
|
unsigned char __bv = \
|
|
lduba((h)._ptr + (o), (h)._sasi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr1(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (unsigned int) __bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_stream_2(t, h, o) ({ \
|
|
unsigned short __bv = \
|
|
lduha((h)._ptr + (o), (h)._sasi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr2(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (unsigned int)__bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_stream_4(t, h, o) ({ \
|
|
unsigned int __bv = \
|
|
lda((h)._ptr + (o), (h)._sasi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr4(%llx + %llx, %x) -> %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, __bv); \
|
|
__bv; })
|
|
|
|
#define bus_space_read_stream_8(t, h, o) ({ \
|
|
u_int64_t __bv = \
|
|
ldxa((h)._ptr + (o), (h)._sasi); \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsr8(%llx + %llx, %x) -> %llx\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (long long)__bv); \
|
|
__bv; })
|
|
#endif
|
|
/*
|
|
* void bus_space_read_multi_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* u_intN_t *addr, size_t count);
|
|
*
|
|
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
|
|
* described by tag/handle/offset and copy into buffer provided.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_read_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int8_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_read_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int16_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_read_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int32_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_read_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int64_t *a, size_t c);
|
|
|
|
static __inline void
|
|
bus_space_read_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int8_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_stream_1(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int16_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_stream_2(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int32_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_stream_4(t, h, o);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
u_int64_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
*a++ = bus_space_read_stream_8(t, h, o);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* u_intN_t value);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `value' to bus space
|
|
* described by tag/handle/offset.
|
|
*/
|
|
#ifndef BUS_SPACE_DEBUG
|
|
#define bus_space_write_stream_1(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stba((h)._ptr + (o), (h)._sasi, (v)))))
|
|
|
|
#define bus_space_write_stream_2(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stha((h)._ptr + (o), (h)._sasi, (v)))))
|
|
|
|
#define bus_space_write_stream_4(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(sta((h)._ptr + (o), (h)._sasi, (v)))))
|
|
|
|
#define bus_space_write_stream_8(t, h, o, v) \
|
|
(0 ? (t)->type : ((void)(stxa((h)._ptr + (o), (h)._sasi, (v)))))
|
|
#else
|
|
#define bus_space_write_stream_1(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw1(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (unsigned int) v); \
|
|
((void)(stba((h)._ptr + (o), (h)._sasi, (v)))); })
|
|
|
|
#define bus_space_write_stream_2(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw2(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (unsigned int) v); \
|
|
((void)(stha((h)._ptr + (o), (h)._sasi, (v)))); })
|
|
|
|
#define bus_space_write_stream_4(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw4(%llx + %llx, %x) <- %x\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (unsigned int) v); \
|
|
((void)(sta((h)._ptr + (o), (h)._sasi, (v)))); })
|
|
|
|
#define bus_space_write_stream_8(t, h, o, v) ({ \
|
|
if (bus_space_debug & BSDB_ACCESS) \
|
|
printf("bsw8(%llx + %llx, %x) <- %llx\n", (long long)(h)._ptr, \
|
|
(long long)(o), \
|
|
(h)._sasi, (long long) v); \
|
|
((void)(stxa((h)._ptr + (o), (h)._sasi, (v)))); })
|
|
#endif
|
|
/*
|
|
* void bus_space_write_multi_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset,
|
|
* const u_intN_t *addr, size_t count);
|
|
*
|
|
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
|
|
* provided to bus space described by tag/handle/offset.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int8_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_write_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int16_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_write_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int32_t *a, size_t c);
|
|
static __inline void
|
|
bus_space_write_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int64_t *a, size_t c);
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int8_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_1(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int16_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_2(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int32_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_4(t, h, o, *a++);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o,
|
|
const u_int64_t *a, size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_8(t, h, o, *a++);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_set_multi_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
|
|
* size_t count);
|
|
*
|
|
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
|
|
* by tag/handle/offset `count' times.
|
|
*/
|
|
|
|
static __inline void
|
|
bus_space_set_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int8_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int16_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int32_t v,
|
|
size_t c);
|
|
static __inline void
|
|
bus_space_set_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int64_t v,
|
|
size_t c);
|
|
|
|
static __inline void
|
|
bus_space_set_multi_stream_1(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int8_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_1(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_stream_2(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int16_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_2(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_stream_4(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int32_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_4(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_stream_8(bus_space_tag_t t,
|
|
bus_space_handle_t h, bus_size_t o, u_int64_t v,
|
|
size_t c)
|
|
{
|
|
while (c-- > 0)
|
|
bus_space_write_stream_8(t, h, o, v);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_read_region_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_read_region_stream_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int8_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int16_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int32_t *,
|
|
bus_size_t);
|
|
static void bus_space_read_region_stream_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
u_int64_t *,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_read_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int8_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o++)
|
|
*a = bus_space_read_stream_1(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int16_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=2)
|
|
*a = bus_space_read_stream_2(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int32_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=4)
|
|
*a = bus_space_read_stream_4(t, h, o);
|
|
}
|
|
static __inline void
|
|
bus_space_read_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, u_int64_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=8)
|
|
*a = bus_space_read_stream_8(t, h, o);
|
|
}
|
|
|
|
/*
|
|
* void bus_space_write_region_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_write_region_stream_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int8_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int16_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int32_t *,
|
|
bus_size_t);
|
|
static void bus_space_write_region_stream_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int64_t *,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_write_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int8_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o++)
|
|
bus_space_write_stream_1(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int16_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=2)
|
|
bus_space_write_stream_2(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int32_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=4)
|
|
bus_space_write_stream_4(t, h, o, *a);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int64_t *a, bus_size_t c)
|
|
{
|
|
for (; c; a++, c--, o+=8)
|
|
bus_space_write_stream_8(t, h, o, *a);
|
|
}
|
|
|
|
|
|
/*
|
|
* void bus_space_set_region_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh, bus_size_t off,
|
|
* u_intN_t *addr, bus_size_t count);
|
|
*
|
|
*/
|
|
static void bus_space_set_region_stream_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int8_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int16_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int32_t,
|
|
bus_size_t);
|
|
static void bus_space_set_region_stream_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
const u_int64_t,
|
|
bus_size_t);
|
|
|
|
static __inline void
|
|
bus_space_set_region_stream_1(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int8_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o++)
|
|
bus_space_write_stream_1(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_stream_2(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int16_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=2)
|
|
bus_space_write_stream_2(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_stream_4(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int32_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=4)
|
|
bus_space_write_stream_4(t, h, o, v);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_stream_8(bus_space_tag_t t, bus_space_handle_t h,
|
|
bus_size_t o, const u_int64_t v, bus_size_t c)
|
|
{
|
|
for (; c; c--, o+=8)
|
|
bus_space_write_stream_8(t, h, o, v);
|
|
}
|
|
|
|
|
|
/*
|
|
* void bus_space_copy_region_stream_N(bus_space_tag_t tag,
|
|
* bus_space_handle_t bsh1, bus_size_t off1,
|
|
* bus_space_handle_t bsh2, bus_size_t off2,
|
|
* bus_size_t count);
|
|
*
|
|
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
|
|
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
|
|
*/
|
|
static void bus_space_copy_region_stream_1(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_stream_2(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_stream_4(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
static void bus_space_copy_region_stream_8(bus_space_tag_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_space_handle_t,
|
|
bus_size_t,
|
|
bus_size_t);
|
|
|
|
|
|
static __inline void
|
|
bus_space_copy_region_stream_1(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1++, o2++)
|
|
bus_space_write_stream_1(t, h1, o1, bus_space_read_stream_1(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_stream_2(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=2, o2+=2)
|
|
bus_space_write_stream_2(t, h1, o1, bus_space_read_stream_2(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_stream_4(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=4, o2+=4)
|
|
bus_space_write_stream_4(t, h1, o1, bus_space_read_stream_4(t, h2, o2));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_stream_8(bus_space_tag_t t, bus_space_handle_t h1,
|
|
bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c)
|
|
{
|
|
for (; c; c--, o1+=8, o2+=8)
|
|
bus_space_write_stream_8(t, h1, o1, bus_space_read_8(t, h2, o2));
|
|
}
|
|
|
|
|
|
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
|
|
|
|
/*
|
|
* 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_NOWRITE 0x008 /* I suppose the following two should default on */
|
|
#define BUS_DMA_BUS1 0x010
|
|
#define BUS_DMA_BUS2 0x020
|
|
#define BUS_DMA_BUS3 0x040
|
|
#define BUS_DMA_BUS4 0x080
|
|
#define BUS_DMA_STREAMING 0x100 /* hint: sequential, unidirectional */
|
|
#define BUS_DMA_READ 0x200 /* mapping is device -> memory only */
|
|
#define BUS_DMA_WRITE 0x400 /* mapping is memory -> device only */
|
|
#define BUS_DMA_NOCACHE 0x800 /* hint: map non-cached memory */
|
|
|
|
#define BUS_DMA_DVMA BUS_DMA_BUS2 /* Don't bother with alignment */
|
|
|
|
/* 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 */
|
|
#define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */
|
|
|
|
typedef struct sparc_bus_dma_tag *bus_dma_tag_t;
|
|
typedef struct sparc_bus_dmamap *bus_dmamap_t;
|
|
|
|
#define BUS_DMA_TAG_VALID(t) ((t) != (bus_dma_tag_t)0)
|
|
|
|
/*
|
|
* bus_dma_segment_t
|
|
*
|
|
* Describes a single contiguous DMA transaction. Values
|
|
* are suitable for programming into DMA registers.
|
|
*/
|
|
struct sparc_bus_dma_segment {
|
|
bus_addr_t ds_addr; /* DVMA address */
|
|
bus_size_t ds_len; /* length of transfer */
|
|
bus_size_t _ds_boundary; /* don't cross this */
|
|
bus_size_t _ds_align; /* align to this */
|
|
void *_ds_mlist; /* XXX - dmamap_alloc'ed pages */
|
|
};
|
|
typedef struct sparc_bus_dma_segment bus_dma_segment_t;
|
|
|
|
|
|
/*
|
|
* bus_dma_tag_t
|
|
*
|
|
* A machine-dependent opaque type describing the implementation of
|
|
* DMA for a given bus.
|
|
*/
|
|
struct sparc_bus_dma_tag {
|
|
void *_cookie; /* cookie used in the guts */
|
|
struct sparc_bus_dma_tag* _parent;
|
|
|
|
/*
|
|
* DMA mapping methods.
|
|
*/
|
|
int (*_dmamap_create)(bus_dma_tag_t, bus_size_t, int,
|
|
bus_size_t, bus_size_t, int, bus_dmamap_t *);
|
|
void (*_dmamap_destroy)(bus_dma_tag_t, bus_dmamap_t);
|
|
int (*_dmamap_load)(bus_dma_tag_t, bus_dmamap_t, void *,
|
|
bus_size_t, struct proc *, int);
|
|
int (*_dmamap_load_mbuf)(bus_dma_tag_t, bus_dmamap_t,
|
|
struct mbuf *, int);
|
|
int (*_dmamap_load_uio)(bus_dma_tag_t, bus_dmamap_t,
|
|
struct uio *, int);
|
|
int (*_dmamap_load_raw)(bus_dma_tag_t, bus_dmamap_t,
|
|
bus_dma_segment_t *, int, bus_size_t, int);
|
|
void (*_dmamap_unload)(bus_dma_tag_t, bus_dmamap_t);
|
|
void (*_dmamap_sync)(bus_dma_tag_t, bus_dmamap_t,
|
|
bus_addr_t, bus_size_t, int);
|
|
|
|
/*
|
|
* DMA memory utility functions.
|
|
*/
|
|
int (*_dmamem_alloc)(bus_dma_tag_t, bus_size_t, bus_size_t,
|
|
bus_size_t, bus_dma_segment_t *, int, int *, int);
|
|
void (*_dmamem_free)(bus_dma_tag_t, bus_dma_segment_t *, int);
|
|
int (*_dmamem_map)(bus_dma_tag_t, bus_dma_segment_t *,
|
|
int, size_t, void **, int);
|
|
void (*_dmamem_unmap)(bus_dma_tag_t, void *, size_t);
|
|
paddr_t (*_dmamem_mmap)(bus_dma_tag_t, bus_dma_segment_t *,
|
|
int, off_t, int, int);
|
|
};
|
|
|
|
#define bus_dmamap_create(t, s, n, m, b, f, p) \
|
|
(*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p))
|
|
#define bus_dmamap_destroy(t, p) \
|
|
(*(t)->_dmamap_destroy)((t), (p))
|
|
#define bus_dmamap_load(t, m, b, s, p, f) \
|
|
(*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f))
|
|
#define bus_dmamap_load_mbuf(t, m, b, f) \
|
|
(*(t)->_dmamap_load_mbuf)((t), (m), (b), (f))
|
|
#define bus_dmamap_load_uio(t, m, u, f) \
|
|
(*(t)->_dmamap_load_uio)((t), (m), (u), (f))
|
|
#define bus_dmamap_load_raw(t, m, sg, n, s, f) \
|
|
(*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f))
|
|
#define bus_dmamap_unload(t, p) \
|
|
(*(t)->_dmamap_unload)((t), (p))
|
|
#define bus_dmamap_sync(t, p, o, l, ops) \
|
|
(void)((t)->_dmamap_sync ? \
|
|
(*(t)->_dmamap_sync)((t), (p), (o), (l), (ops)) : (void)0)
|
|
|
|
#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
|
|
(*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
|
|
#define bus_dmamem_free(t, sg, n) \
|
|
(*(t)->_dmamem_free)((t), (sg), (n))
|
|
#define bus_dmamem_map(t, sg, n, s, k, f) \
|
|
(*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
|
|
#define bus_dmamem_unmap(t, k, s) \
|
|
(*(t)->_dmamem_unmap)((t), (k), (s))
|
|
#define bus_dmamem_mmap(t, sg, n, o, p, f) \
|
|
(*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
|
|
|
|
#define bus_dmatag_subregion(t, mna, mxa, nt, f) EOPNOTSUPP
|
|
#define bus_dmatag_destroy(t)
|
|
|
|
/*
|
|
* bus_dmamap_t
|
|
*
|
|
* Describes a DMA mapping.
|
|
*/
|
|
struct sparc_bus_dmamap {
|
|
/*
|
|
* PRIVATE MEMBERS: not for use by machine-independent code.
|
|
*/
|
|
bus_addr_t _dm_dvmastart; /* start and size of allocated */
|
|
bus_size_t _dm_dvmasize; /* DVMA segment for this map. */
|
|
|
|
bus_size_t _dm_size; /* largest DMA transfer mappable */
|
|
bus_size_t _dm_maxmaxsegsz; /* fixed largest possible segment */
|
|
bus_size_t _dm_boundary; /* don't cross this */
|
|
int _dm_segcnt; /* number of segs this map can map */
|
|
int _dm_flags; /* misc. flags */
|
|
#define _DM_TYPE_LOAD 0
|
|
#define _DM_TYPE_SEGS 1
|
|
#define _DM_TYPE_UIO 2
|
|
#define _DM_TYPE_MBUF 3
|
|
int _dm_type; /* type of mapping: raw, uio, mbuf, etc */
|
|
void *_dm_source; /* source mbuf, uio, etc. needed for unload */
|
|
|
|
void *_dm_cookie; /* cookie for bus-specific functions */
|
|
|
|
/*
|
|
* PUBLIC MEMBERS: these are used by machine-independent code.
|
|
*/
|
|
bus_size_t dm_maxsegsz; /* largest possible segment */
|
|
bus_size_t dm_mapsize; /* size of the mapping */
|
|
int dm_nsegs; /* # valid segments in mapping */
|
|
bus_dma_segment_t dm_segs[1]; /* segments; variable length */
|
|
};
|
|
|
|
#ifdef _SPARC_BUS_DMA_PRIVATE
|
|
int _bus_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_size_t,
|
|
bus_size_t, int, bus_dmamap_t *);
|
|
void _bus_dmamap_destroy(bus_dma_tag_t, bus_dmamap_t);
|
|
int _bus_dmamap_load(bus_dma_tag_t, bus_dmamap_t, void *,
|
|
bus_size_t, struct proc *, int);
|
|
int _bus_dmamap_load_mbuf(bus_dma_tag_t, bus_dmamap_t,
|
|
struct mbuf *, int);
|
|
int _bus_dmamap_load_uio(bus_dma_tag_t, bus_dmamap_t,
|
|
struct uio *, int);
|
|
int _bus_dmamap_load_raw(bus_dma_tag_t, bus_dmamap_t,
|
|
bus_dma_segment_t *, int, bus_size_t, int);
|
|
void _bus_dmamap_unload(bus_dma_tag_t, bus_dmamap_t);
|
|
void _bus_dmamap_sync(bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
|
|
bus_size_t, int);
|
|
|
|
int _bus_dmamem_alloc(bus_dma_tag_t tag, bus_size_t size,
|
|
bus_size_t alignment, bus_size_t boundary,
|
|
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags);
|
|
void _bus_dmamem_free(bus_dma_tag_t tag, bus_dma_segment_t *segs,
|
|
int nsegs);
|
|
int _bus_dmamem_map(bus_dma_tag_t tag, bus_dma_segment_t *segs,
|
|
int nsegs, size_t size, void **kvap, int flags);
|
|
void _bus_dmamem_unmap(bus_dma_tag_t tag, void *kva,
|
|
size_t size);
|
|
paddr_t _bus_dmamem_mmap(bus_dma_tag_t tag, bus_dma_segment_t *segs,
|
|
int nsegs, off_t off, int prot, int flags);
|
|
|
|
int _bus_dmamem_alloc_range(bus_dma_tag_t tag, bus_size_t size,
|
|
bus_size_t alignment, bus_size_t boundary,
|
|
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
|
|
vaddr_t low, vaddr_t high);
|
|
#endif /* _SPARC_BUS_DMA_PRIVATE */
|
|
|
|
#endif /* _SPARC_BUS_H_ */
|