1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
/*-
* Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifndef _BCM2835_MBOX_PROP_H_
#define _BCM2835_MBOX_PROP_H_
#include <sys/cdefs.h>
#include <sys/types.h>
/*
* Mailbox property interface:
* https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
*/
#define BCM2835_MBOX_CODE_REQ 0
#define BCM2835_MBOX_CODE_RESP_SUCCESS 0x80000000
#define BCM2835_MBOX_CODE_RESP_ERROR 0x80000001
#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
struct bcm2835_mbox_hdr {
uint32_t buf_size;
uint32_t code;
};
struct bcm2835_mbox_tag_hdr {
uint32_t tag;
uint32_t val_buf_size;
uint32_t val_len;
};
#define BCM2835_MBOX_POWER_ID_EMMC 0x00000000
#define BCM2835_MBOX_POWER_ID_UART0 0x00000001
#define BCM2835_MBOX_POWER_ID_UART1 0x00000002
#define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
#define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
#define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
#define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
#define BCM2835_MBOX_POWER_ID_SPI 0x00000007
#define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
#define BCM2835_MBOX_POWER_ON (1 << 0)
#define BCM2835_MBOX_POWER_WAIT (1 << 1)
#define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
#define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
struct msg_get_power_state {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t device_id;
} req;
struct {
uint32_t device_id;
uint32_t state;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_power_state {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t device_id;
uint32_t state;
} req;
struct {
uint32_t device_id;
uint32_t state;
} resp;
} body;
uint32_t end_tag;
};
/* Sets the power state for a given device */
int bcm2835_mbox_set_power_state(device_t, uint32_t, boolean_t);
#define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
#define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
#define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
#define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004
#define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005
#define BCM2835_MBOX_CLOCK_ID_H264 0x00000006
#define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007
#define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008
#define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009
#define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a
#define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
#define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002
#define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
#define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
struct msg_get_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
uint32_t rate_hz;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_min_clock_rate {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
} body;
uint32_t end_tag;
};
int bcm2835_mbox_get_clock_rate(device_t, uint32_t, uint32_t *);
#define BCM2835_MBOX_TURBO_ON 1
#define BCM2835_MBOX_TURBO_OFF 0
#define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
#define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
struct msg_get_turbo {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t id;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_turbo {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t id;
uint32_t level;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
} body;
uint32_t end_tag;
};
#define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
#define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
#define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
#define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
#define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
#define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
struct msg_get_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_set_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
uint32_t value;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_min_voltage {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
#define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
#define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
struct msg_get_temperature {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t temperature_id;
} req;
struct {
uint32_t temperature_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
struct msg_get_max_temperature {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t temperature_id;
} req;
struct {
uint32_t temperature_id;
uint32_t value;
} resp;
} body;
uint32_t end_tag;
};
#endif /* _BCM2835_MBOX_PROP_H_ */
|
