bcm2835_mbox_prop.h revision 275963
1/*- 2 * Copyright (C) 2013-2014 Daisuke Aoyama <aoyama@peach.ne.jp> 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 * 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. 13 * 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 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/arm/broadcom/bcm2835/bcm2835_mbox_prop.h 275963 2014-12-20 19:15:10Z rpaulo $ 27 */ 28 29#ifndef _BCM2835_MBOX_PROP_H_ 30#define _BCM2835_MBOX_PROP_H_ 31 32#include <sys/cdefs.h> 33#include <sys/types.h> 34 35/* 36 * Mailbox property interface: 37 * https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface 38 */ 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 43 44struct bcm2835_mbox_hdr { 45 uint32_t buf_size; 46 uint32_t code; 47}; 48 49struct bcm2835_mbox_tag_hdr { 50 uint32_t tag; 51 uint32_t val_buf_size; 52 uint32_t val_len; 53}; 54 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 65 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 70 71struct msg_get_clock_rate { 72 struct bcm2835_mbox_hdr hdr; 73 struct bcm2835_mbox_tag_hdr tag_hdr; 74 union { 75 struct { 76 uint32_t clock_id; 77 } req; 78 struct { 79 uint32_t clock_id; 80 uint32_t rate_hz; 81 } resp; 82 } body; 83 uint32_t end_tag; 84}; 85 86struct msg_set_clock_rate { 87 struct bcm2835_mbox_hdr hdr; 88 struct bcm2835_mbox_tag_hdr tag_hdr; 89 union { 90 struct { 91 uint32_t clock_id; 92 uint32_t rate_hz; 93 } req; 94 struct { 95 uint32_t clock_id; 96 uint32_t rate_hz; 97 } resp; 98 } body; 99 uint32_t end_tag; 100}; 101 102struct msg_get_max_clock_rate { 103 struct bcm2835_mbox_hdr hdr; 104 struct bcm2835_mbox_tag_hdr tag_hdr; 105 union { 106 struct { 107 uint32_t clock_id; 108 } req; 109 struct { 110 uint32_t clock_id; 111 uint32_t rate_hz; 112 } resp; 113 } body; 114 uint32_t end_tag; 115}; 116 117struct msg_get_min_clock_rate { 118 struct bcm2835_mbox_hdr hdr; 119 struct bcm2835_mbox_tag_hdr tag_hdr; 120 union { 121 struct { 122 uint32_t clock_id; 123 } req; 124 struct { 125 uint32_t clock_id; 126 uint32_t rate_hz; 127 } resp; 128 } body; 129 uint32_t end_tag; 130}; 131 132#define BCM2835_MBOX_TURBO_ON 1 133#define BCM2835_MBOX_TURBO_OFF 0 134 135#define BCM2835_MBOX_TAG_GET_TURBO 0x00030009 136#define BCM2835_MBOX_TAG_SET_TURBO 0x00038009 137 138struct msg_get_turbo { 139 struct bcm2835_mbox_hdr hdr; 140 struct bcm2835_mbox_tag_hdr tag_hdr; 141 union { 142 struct { 143 uint32_t id; 144 } req; 145 struct { 146 uint32_t id; 147 uint32_t level; 148 } resp; 149 } body; 150 uint32_t end_tag; 151}; 152 153struct msg_set_turbo { 154 struct bcm2835_mbox_hdr hdr; 155 struct bcm2835_mbox_tag_hdr tag_hdr; 156 union { 157 struct { 158 uint32_t id; 159 uint32_t level; 160 } req; 161 struct { 162 uint32_t id; 163 uint32_t level; 164 } resp; 165 } body; 166 uint32_t end_tag; 167}; 168 169#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 173 174#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 178 179struct msg_get_voltage { 180 struct bcm2835_mbox_hdr hdr; 181 struct bcm2835_mbox_tag_hdr tag_hdr; 182 union { 183 struct { 184 uint32_t voltage_id; 185 } req; 186 struct { 187 uint32_t voltage_id; 188 uint32_t value; 189 } resp; 190 } body; 191 uint32_t end_tag; 192}; 193 194struct msg_set_voltage { 195 struct bcm2835_mbox_hdr hdr; 196 struct bcm2835_mbox_tag_hdr tag_hdr; 197 union { 198 struct { 199 uint32_t voltage_id; 200 uint32_t value; 201 } req; 202 struct { 203 uint32_t voltage_id; 204 uint32_t value; 205 } resp; 206 } body; 207 uint32_t end_tag; 208}; 209 210struct msg_get_max_voltage { 211 struct bcm2835_mbox_hdr hdr; 212 struct bcm2835_mbox_tag_hdr tag_hdr; 213 union { 214 struct { 215 uint32_t voltage_id; 216 } req; 217 struct { 218 uint32_t voltage_id; 219 uint32_t value; 220 } resp; 221 } body; 222 uint32_t end_tag; 223}; 224 225struct msg_get_min_voltage { 226 struct bcm2835_mbox_hdr hdr; 227 struct bcm2835_mbox_tag_hdr tag_hdr; 228 union { 229 struct { 230 uint32_t voltage_id; 231 } req; 232 struct { 233 uint32_t voltage_id; 234 uint32_t value; 235 } resp; 236 } body; 237 uint32_t end_tag; 238}; 239 240#define BCM2835_MBOX_TAG_GET_TEMPERATURE 0x00030006 241#define BCM2835_MBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a 242 243struct msg_get_temperature { 244 struct bcm2835_mbox_hdr hdr; 245 struct bcm2835_mbox_tag_hdr tag_hdr; 246 union { 247 struct { 248 uint32_t temperature_id; 249 } req; 250 struct { 251 uint32_t temperature_id; 252 uint32_t value; 253 } resp; 254 } body; 255 uint32_t end_tag; 256}; 257 258struct msg_get_max_temperature { 259 struct bcm2835_mbox_hdr hdr; 260 struct bcm2835_mbox_tag_hdr tag_hdr; 261 union { 262 struct { 263 uint32_t temperature_id; 264 } req; 265 struct { 266 uint32_t temperature_id; 267 uint32_t value; 268 } resp; 269 } body; 270 uint32_t end_tag; 271}; 272 273#endif /* _BCM2835_MBOX_PROP_H_ */ 274