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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Andrew Turner
*
* This work was supported by Innovate UK project 105694, "Digital Security
* by Design (DSbD) Technology Platform Prototype".
*
* 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_FIRMWARE_H_
#define _BCM2835_FIRMWARE_H_
#define BCM2835_FIRMWARE_TAG_GET_CLOCK_RATE 0x00030002
#define BCM2835_FIRMWARE_TAG_SET_CLOCK_RATE 0x00038002
#define BCM2835_FIRMWARE_TAG_GET_MAX_CLOCK_RATE 0x00030004
#define BCM2835_FIRMWARE_TAG_GET_MIN_CLOCK_RATE 0x00030007
#define BCM2835_FIRMWARE_CLOCK_ID_EMMC 0x00000001
#define BCM2835_FIRMWARE_CLOCK_ID_UART 0x00000002
#define BCM2835_FIRMWARE_CLOCK_ID_ARM 0x00000003
#define BCM2835_FIRMWARE_CLOCK_ID_CORE 0x00000004
#define BCM2835_FIRMWARE_CLOCK_ID_V3D 0x00000005
#define BCM2835_FIRMWARE_CLOCK_ID_H264 0x00000006
#define BCM2835_FIRMWARE_CLOCK_ID_ISP 0x00000007
#define BCM2835_FIRMWARE_CLOCK_ID_SDRAM 0x00000008
#define BCM2835_FIRMWARE_CLOCK_ID_PIXEL 0x00000009
#define BCM2835_FIRMWARE_CLOCK_ID_PWM 0x0000000a
#define BCM2838_FIRMWARE_CLOCK_ID_EMMC2 0x0000000c
union msg_get_clock_rate_body {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
};
union msg_set_clock_rate_body {
struct {
uint32_t clock_id;
uint32_t rate_hz;
} req;
struct {
uint32_t clock_id;
uint32_t rate_hz;
} resp;
};
#define BCM2835_FIRMWARE_TAG_GET_VOLTAGE 0x00030003
#define BCM2835_FIRMWARE_TAG_SET_VOLTAGE 0x00038003
#define BCM2835_FIRMWARE_TAG_GET_MAX_VOLTAGE 0x00030005
#define BCM2835_FIRMWARE_TAG_GET_MIN_VOLTAGE 0x00030008
#define BCM2835_FIRMWARE_VOLTAGE_ID_CORE 0x00000001
#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C 0x00000002
#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P 0x00000003
#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I 0x00000004
union msg_get_voltage_body {
struct {
uint32_t voltage_id;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
};
union msg_set_voltage_body {
struct {
uint32_t voltage_id;
uint32_t value;
} req;
struct {
uint32_t voltage_id;
uint32_t value;
} resp;
};
#define BCM2835_FIRMWARE_TAG_GET_TEMPERATURE 0x00030006
#define BCM2835_FIRMWARE_TAG_GET_MAX_TEMPERATURE 0x0003000a
union msg_get_temperature_body {
struct {
uint32_t temperature_id;
} req;
struct {
uint32_t temperature_id;
uint32_t value;
} resp;
};
#define BCM2835_FIRMWARE_TAG_GET_TURBO 0x00030009
#define BCM2835_FIRMWARE_TAG_SET_TURBO 0x00038009
#define BCM2835_FIRMWARE_TURBO_ON 1
#define BCM2835_FIRMWARE_TURBO_OFF 0
union msg_get_turbo_body {
struct {
uint32_t id;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
};
union msg_set_turbo_body {
struct {
uint32_t id;
uint32_t level;
} req;
struct {
uint32_t id;
uint32_t level;
} resp;
};
int bcm2835_firmware_property(device_t, uint32_t, void *, size_t);
#endif
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