source: mainline/uspace/lib/c/include/ddi.h@ d6f73b92

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d6f73b92 was 9e9ced0, checked in by Jakub Jermar <jakub@…>, 8 years ago

Return also the size of the enabled resource
  • Property mode set to 100644
File size: 5.0 KB
Line 
1/*
2 * Copyright (c) 2006 Jakub Jermar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#ifndef LIBC_DDI_H_
36#define LIBC_DDI_H_
37
38#include <stdbool.h>
39#include <stddef.h>
40#include <stdint.h>
41#include <sys/time.h>
42#include <abi/ddi/irq.h>
43#include <device/hw_res.h>
44#include <device/hw_res_parsed.h>
45#include <device/pio_window.h>
46#include <task.h>
47
48#define DMAMEM_16MiB ((uintptr_t) UINT64_C(0xffffffffff000000))
49#define DMAMEM_4GiB ((uintptr_t) UINT64_C(0xffffffff00000000))
50
51typedef volatile uint8_t ioport8_t;
52typedef volatile uint16_t ioport16_t;
53typedef volatile uint32_t ioport32_t;
54typedef volatile uint64_t ioport64_t;
55
56extern errno_t physmem_map(uintptr_t, size_t, unsigned int, void **);
57extern errno_t physmem_unmap(void *);
58
59extern errno_t dmamem_map(void *, size_t, unsigned int, unsigned int, uintptr_t *);
60extern errno_t dmamem_map_anonymous(size_t, uintptr_t, unsigned int, unsigned int,
61 uintptr_t *, void **);
62extern errno_t dmamem_unmap(void *, size_t);
63extern errno_t dmamem_unmap_anonymous(void *);
64
65extern errno_t pio_enable_range(addr_range_t *, void **);
66extern errno_t pio_enable_resource(pio_window_t *, hw_resource_t *, void **,
67 size_t *);
68extern errno_t pio_enable(void *, size_t, void **);
69extern errno_t pio_disable(void *, size_t);
70
71typedef void (*trace_fnc)(const volatile void *place, uint64_t val,
72 volatile void *base, size_t size, void *data, bool write);
73
74extern errno_t pio_trace_enable(void *, size_t, trace_fnc, void *);
75extern void pio_trace_log(const volatile void *, uint64_t val, bool write);
76extern void pio_trace_disable(void *);
77
78extern void pio_write_8(ioport8_t *, uint8_t);
79extern void pio_write_16(ioport16_t *, uint16_t);
80extern void pio_write_32(ioport32_t *, uint32_t);
81extern void pio_write_64(ioport64_t *, uint64_t);
82
83extern uint8_t pio_read_8(const ioport8_t *);
84extern uint16_t pio_read_16(const ioport16_t *);
85extern uint32_t pio_read_32(const ioport32_t *);
86extern uint64_t pio_read_64(const ioport64_t *);
87
88static inline uint8_t pio_change_8(ioport8_t *reg, uint8_t val, uint8_t mask,
89 useconds_t delay)
90{
91 uint8_t v = pio_read_8(reg);
92 udelay(delay);
93 pio_write_8(reg, (v & ~mask) | val);
94 return v;
95}
96
97static inline uint16_t pio_change_16(ioport16_t *reg, uint16_t val,
98 uint16_t mask, useconds_t delay)
99{
100 uint16_t v = pio_read_16(reg);
101 udelay(delay);
102 pio_write_16(reg, (v & ~mask) | val);
103 return v;
104}
105
106static inline uint32_t pio_change_32(ioport32_t *reg, uint32_t val,
107 uint32_t mask, useconds_t delay)
108{
109 uint32_t v = pio_read_32(reg);
110 udelay(delay);
111 pio_write_32(reg, (v & ~mask) | val);
112 return v;
113}
114
115static inline uint64_t pio_change_64(ioport64_t *reg, uint64_t val,
116 uint64_t mask, useconds_t delay)
117{
118 uint64_t v = pio_read_64(reg);
119 udelay(delay);
120 pio_write_64(reg, (v & ~mask) | val);
121 return v;
122}
123
124static inline uint8_t pio_set_8(ioport8_t *r, uint8_t v, useconds_t d)
125{
126 return pio_change_8(r, v, 0, d);
127}
128static inline uint16_t pio_set_16(ioport16_t *r, uint16_t v, useconds_t d)
129{
130 return pio_change_16(r, v, 0, d);
131}
132static inline uint32_t pio_set_32(ioport32_t *r, uint32_t v, useconds_t d)
133{
134 return pio_change_32(r, v, 0, d);
135}
136static inline uint64_t pio_set_64(ioport64_t *r, uint64_t v, useconds_t d)
137{
138 return pio_change_64(r, v, 0, d);
139}
140
141static inline uint8_t pio_clear_8(ioport8_t *r, uint8_t v, useconds_t d)
142{
143 return pio_change_8(r, 0, v, d);
144}
145static inline uint16_t pio_clear_16(ioport16_t *r, uint16_t v, useconds_t d)
146{
147 return pio_change_16(r, 0, v, d);
148}
149static inline uint32_t pio_clear_32(ioport32_t *r, uint32_t v, useconds_t d)
150{
151 return pio_change_32(r, 0, v, d);
152}
153static inline uint64_t pio_clear_64(ioport64_t *r, uint64_t v, useconds_t d)
154{
155 return pio_change_64(r, 0, v, d);
156}
157
158#endif
159
160/** @}
161 */
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