diff options
Diffstat (limited to 'tools/bus_space/C')
| -rw-r--r-- | tools/bus_space/C/Makefile | 1 | ||||
| -rw-r--r-- | tools/bus_space/C/lang.c | 43 | ||||
| -rw-r--r-- | tools/bus_space/C/libbus_space.h | 32 |
3 files changed, 65 insertions, 11 deletions
diff --git a/tools/bus_space/C/Makefile b/tools/bus_space/C/Makefile index 9d767e8..cb4d43f 100644 --- a/tools/bus_space/C/Makefile +++ b/tools/bus_space/C/Makefile @@ -3,6 +3,7 @@ LIB= bus_space SHLIB_MAJOR= 0 SRCS= lang.c +INCS= libbus_space.h CFLAGS+= -I${.CURDIR}/.. diff --git a/tools/bus_space/C/lang.c b/tools/bus_space/C/lang.c index 6408343..84fd780 100644 --- a/tools/bus_space/C/lang.c +++ b/tools/bus_space/C/lang.c @@ -31,9 +31,10 @@ __FBSDID("$FreeBSD$"); #include <errno.h> #include "bus_space.h" +#include "busdma.h" #include "libbus_space.h" -int +int16_t bus_space_read_1(int rid, long ofs) { uint8_t val; @@ -41,7 +42,7 @@ bus_space_read_1(int rid, long ofs) return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val); } -int +int32_t bus_space_read_2(int rid, long ofs) { uint16_t val; @@ -98,3 +99,41 @@ bus_space_subregion(int rid, long ofs, long sz) return (bs_subregion(rid, ofs, sz)); } + +int +busdma_tag_create(const char *dev, bus_addr_t align, bus_addr_t bndry, + bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, bus_size_t maxsegsz, + u_int datarate, u_int flags, busdma_tag_t *out_p) +{ + int res; + + res = bd_tag_create(dev, align, bndry, maxaddr, maxsz, nsegs, maxsegsz, + datarate, flags); + if (res == -1) + return (errno); + *out_p = res; + return (0); +} + +int +busdma_tag_derive(busdma_tag_t tag, bus_addr_t align, bus_addr_t bndry, + bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, bus_size_t maxsegsz, + u_int datarate, u_int flags, busdma_tag_t *out_p) +{ + int res; + + res = bd_tag_derive(tag, align, bndry, maxaddr, maxsz, nsegs, maxsegsz, + datarate, flags); + if (res == -1) + return (errno); + *out_p = res; + return (0); +} + +int +busdma_tag_destroy(busdma_tag_t tag) +{ + + return (bd_tag_destroy(tag)); +} + diff --git a/tools/bus_space/C/libbus_space.h b/tools/bus_space/C/libbus_space.h index 3e8860f..c7ff06c 100644 --- a/tools/bus_space/C/libbus_space.h +++ b/tools/bus_space/C/libbus_space.h @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2014 Marcel Moolenaar + * Copyright (c) 2014, 2015 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -29,14 +29,28 @@ #ifndef _LIBBUS_SPACE_H_ #define _LIBBUS_SPACE_H_ -int bus_space_map(const char *dev); -int bus_space_read_1(int rid, long ofs); -int bus_space_read_2(int rid, long ofs); +int bus_space_map(const char *dev); +int16_t bus_space_read_1(int rid, long ofs); +int32_t bus_space_read_2(int rid, long ofs); int64_t bus_space_read_4(int rid, long ofs); -int bus_space_subregion(int rid, long ofs, long sz); -int bus_space_unmap(int rid); -int bus_space_write_1(int rid, long ofs, uint8_t val); -int bus_space_write_2(int rid, long ofs, uint16_t val); -int bus_space_write_4(int rid, long ofs, uint32_t val); +int bus_space_subregion(int rid, long ofs, long sz); +int bus_space_unmap(int rid); +int bus_space_write_1(int rid, long ofs, uint8_t val); +int bus_space_write_2(int rid, long ofs, uint16_t val); +int bus_space_write_4(int rid, long ofs, uint32_t val); + +typedef unsigned long bus_addr_t; +typedef unsigned long bus_size_t; +typedef int busdma_tag_t; + +int busdma_tag_create(const char *dev, bus_addr_t align, bus_addr_t bndry, + bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, + bus_size_t maxsegsz, u_int datarate, u_int flags, + busdma_tag_t *out_p); +int busdma_tag_derive(busdma_tag_t tag, bus_addr_t align, bus_addr_t bndry, + bus_addr_t maxaddr, bus_size_t maxsz, u_int nsegs, + bus_size_t maxsegsz, u_int datarate, u_int flags, + busdma_tag_t *out_p); +int busdma_tag_destroy(busdma_tag_t tag); #endif /* _LIBBUS_SPACE_H_ */ |
