2 * Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _BCM2835_MBOX_PROP_H_
30 #define _BCM2835_MBOX_PROP_H_
32 #include <sys/cdefs.h>
33 #include <sys/types.h>
36 * Mailbox property interface:
37 * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
39 #define BCM2835_MBOX_CODE_REQ 0
40 #define BCM2835_MBOX_CODE_RESP_SUCCESS 0x80000000
41 #define BCM2835_MBOX_CODE_RESP_ERROR 0x80000001
42 #define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
44 struct bcm2835_mbox_hdr {
49 struct bcm2835_mbox_tag_hdr {
51 uint32_t val_buf_size;
55 #define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
56 #define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
57 #define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
58 #define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004
59 #define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005
60 #define BCM2835_MBOX_CLOCK_ID_H264 0x00000006
61 #define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007
62 #define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008
63 #define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009
64 #define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a
66 #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
67 #define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002
68 #define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
69 #define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
71 struct msg_get_clock_rate {
72 struct bcm2835_mbox_hdr hdr;
73 struct bcm2835_mbox_tag_hdr tag_hdr;
86 struct msg_set_clock_rate {
87 struct bcm2835_mbox_hdr hdr;
88 struct bcm2835_mbox_tag_hdr tag_hdr;
102 struct msg_get_max_clock_rate {
103 struct bcm2835_mbox_hdr hdr;
104 struct bcm2835_mbox_tag_hdr tag_hdr;
117 struct msg_get_min_clock_rate {
118 struct bcm2835_mbox_hdr hdr;
119 struct bcm2835_mbox_tag_hdr tag_hdr;
132 #define BCM2835_MBOX_TURBO_ON 1
133 #define BCM2835_MBOX_TURBO_OFF 0
135 #define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
136 #define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
138 struct msg_get_turbo {
139 struct bcm2835_mbox_hdr hdr;
140 struct bcm2835_mbox_tag_hdr tag_hdr;
153 struct msg_set_turbo {
154 struct bcm2835_mbox_hdr hdr;
155 struct bcm2835_mbox_tag_hdr tag_hdr;
169 #define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
170 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
171 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
172 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
174 #define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
175 #define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
176 #define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
177 #define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
179 struct msg_get_voltage {
180 struct bcm2835_mbox_hdr hdr;
181 struct bcm2835_mbox_tag_hdr tag_hdr;
194 struct msg_set_voltage {
195 struct bcm2835_mbox_hdr hdr;
196 struct bcm2835_mbox_tag_hdr tag_hdr;
210 struct msg_get_max_voltage {
211 struct bcm2835_mbox_hdr hdr;
212 struct bcm2835_mbox_tag_hdr tag_hdr;
225 struct msg_get_min_voltage {
226 struct bcm2835_mbox_hdr hdr;
227 struct bcm2835_mbox_tag_hdr tag_hdr;
240 #define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
241 #define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
243 struct msg_get_temperature {
244 struct bcm2835_mbox_hdr hdr;
245 struct bcm2835_mbox_tag_hdr tag_hdr;
248 uint32_t temperature_id;
251 uint32_t temperature_id;
258 struct msg_get_max_temperature {
259 struct bcm2835_mbox_hdr hdr;
260 struct bcm2835_mbox_tag_hdr tag_hdr;
263 uint32_t temperature_id;
266 uint32_t temperature_id;
273 #endif /* _BCM2835_MBOX_PROP_H_ */