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_POWER_ID_EMMC 0x00000000
56 #define BCM2835_MBOX_POWER_ID_UART0 0x00000001
57 #define BCM2835_MBOX_POWER_ID_UART1 0x00000002
58 #define BCM2835_MBOX_POWER_ID_USB_HCD 0x00000003
59 #define BCM2835_MBOX_POWER_ID_I2C0 0x00000004
60 #define BCM2835_MBOX_POWER_ID_I2C1 0x00000005
61 #define BCM2835_MBOX_POWER_ID_I2C2 0x00000006
62 #define BCM2835_MBOX_POWER_ID_SPI 0x00000007
63 #define BCM2835_MBOX_POWER_ID_CCP2TX 0x00000008
65 #define BCM2835_MBOX_POWER_ON (1 << 0)
66 #define BCM2835_MBOX_POWER_WAIT (1 << 1)
68 #define BCM2835_MBOX_TAG_GET_POWER_STATE 0x00020001
69 #define BCM2835_MBOX_TAG_SET_POWER_STATE 0x00028001
71 struct msg_get_power_state {
72 struct bcm2835_mbox_hdr hdr;
73 struct bcm2835_mbox_tag_hdr tag_hdr;
86 struct msg_set_power_state {
87 struct bcm2835_mbox_hdr hdr;
88 struct bcm2835_mbox_tag_hdr tag_hdr;
102 /* Sets the power state for a given device */
103 int bcm2835_mbox_set_power_state(device_t, uint32_t, boolean_t);
105 #define BCM2835_MBOX_CLOCK_ID_EMMC 0x00000001
106 #define BCM2835_MBOX_CLOCK_ID_UART 0x00000002
107 #define BCM2835_MBOX_CLOCK_ID_ARM 0x00000003
108 #define BCM2835_MBOX_CLOCK_ID_CORE 0x00000004
109 #define BCM2835_MBOX_CLOCK_ID_V3D 0x00000005
110 #define BCM2835_MBOX_CLOCK_ID_H264 0x00000006
111 #define BCM2835_MBOX_CLOCK_ID_ISP 0x00000007
112 #define BCM2835_MBOX_CLOCK_ID_SDRAM 0x00000008
113 #define BCM2835_MBOX_CLOCK_ID_PIXEL 0x00000009
114 #define BCM2835_MBOX_CLOCK_ID_PWM 0x0000000a
116 #define BCM2835_MBOX_TAG_GET_CLOCK_RATE 0x00030002
117 #define BCM2835_MBOX_TAG_SET_CLOCK_RATE 0x00038002
118 #define BCM2835_MBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
119 #define BCM2835_MBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
121 struct msg_get_clock_rate {
122 struct bcm2835_mbox_hdr hdr;
123 struct bcm2835_mbox_tag_hdr tag_hdr;
136 struct msg_set_clock_rate {
137 struct bcm2835_mbox_hdr hdr;
138 struct bcm2835_mbox_tag_hdr tag_hdr;
152 struct msg_get_max_clock_rate {
153 struct bcm2835_mbox_hdr hdr;
154 struct bcm2835_mbox_tag_hdr tag_hdr;
167 struct msg_get_min_clock_rate {
168 struct bcm2835_mbox_hdr hdr;
169 struct bcm2835_mbox_tag_hdr tag_hdr;
182 int bcm2835_mbox_get_clock_rate(device_t, uint32_t, uint32_t *);
184 #define BCM2835_MBOX_TURBO_ON 1
185 #define BCM2835_MBOX_TURBO_OFF 0
187 #define BCM2835_MBOX_TAG_GET_TURBO 0x00030009
188 #define BCM2835_MBOX_TAG_SET_TURBO 0x00038009
190 struct msg_get_turbo {
191 struct bcm2835_mbox_hdr hdr;
192 struct bcm2835_mbox_tag_hdr tag_hdr;
205 struct msg_set_turbo {
206 struct bcm2835_mbox_hdr hdr;
207 struct bcm2835_mbox_tag_hdr tag_hdr;
221 #define BCM2835_MBOX_VOLTAGE_ID_CORE 0x00000001
222 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_C 0x00000002
223 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_P 0x00000003
224 #define BCM2835_MBOX_VOLTAGE_ID_SDRAM_I 0x00000004
226 #define BCM2835_MBOX_TAG_GET_VOLTAGE 0x00030003
227 #define BCM2835_MBOX_TAG_SET_VOLTAGE 0x00038003
228 #define BCM2835_MBOX_TAG_GET_MAX_VOLTAGE 0x00030005
229 #define BCM2835_MBOX_TAG_GET_MIN_VOLTAGE 0x00030008
231 struct msg_get_voltage {
232 struct bcm2835_mbox_hdr hdr;
233 struct bcm2835_mbox_tag_hdr tag_hdr;
246 struct msg_set_voltage {
247 struct bcm2835_mbox_hdr hdr;
248 struct bcm2835_mbox_tag_hdr tag_hdr;
262 struct msg_get_max_voltage {
263 struct bcm2835_mbox_hdr hdr;
264 struct bcm2835_mbox_tag_hdr tag_hdr;
277 struct msg_get_min_voltage {
278 struct bcm2835_mbox_hdr hdr;
279 struct bcm2835_mbox_tag_hdr tag_hdr;
292 #define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006
293 #define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
295 struct msg_get_temperature {
296 struct bcm2835_mbox_hdr hdr;
297 struct bcm2835_mbox_tag_hdr tag_hdr;
300 uint32_t temperature_id;
303 uint32_t temperature_id;
310 struct msg_get_max_temperature {
311 struct bcm2835_mbox_hdr hdr;
312 struct bcm2835_mbox_tag_hdr tag_hdr;
315 uint32_t temperature_id;
318 uint32_t temperature_id;
325 #endif /* _BCM2835_MBOX_PROP_H_ */