201 lines
5.0 KiB
C
201 lines
5.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Andrew Turner
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*
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* This work was supported by Innovate UK project 105694, "Digital Security
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* by Design (DSbD) Technology Platform Prototype".
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _BCM2835_FIRMWARE_H_
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#define _BCM2835_FIRMWARE_H_
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#define BCM2835_FIRMWARE_TAG_GET_CLOCK_RATE 0x00030002
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#define BCM2835_FIRMWARE_TAG_SET_CLOCK_RATE 0x00038002
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#define BCM2835_FIRMWARE_TAG_GET_MAX_CLOCK_RATE 0x00030004
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#define BCM2835_FIRMWARE_TAG_GET_MIN_CLOCK_RATE 0x00030007
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#define BCM2835_FIRMWARE_CLOCK_ID_EMMC 0x00000001
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#define BCM2835_FIRMWARE_CLOCK_ID_UART 0x00000002
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#define BCM2835_FIRMWARE_CLOCK_ID_ARM 0x00000003
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#define BCM2835_FIRMWARE_CLOCK_ID_CORE 0x00000004
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#define BCM2835_FIRMWARE_CLOCK_ID_V3D 0x00000005
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#define BCM2835_FIRMWARE_CLOCK_ID_H264 0x00000006
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#define BCM2835_FIRMWARE_CLOCK_ID_ISP 0x00000007
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#define BCM2835_FIRMWARE_CLOCK_ID_SDRAM 0x00000008
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#define BCM2835_FIRMWARE_CLOCK_ID_PIXEL 0x00000009
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#define BCM2835_FIRMWARE_CLOCK_ID_PWM 0x0000000a
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#define BCM2838_FIRMWARE_CLOCK_ID_EMMC2 0x0000000c
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union msg_get_clock_rate_body {
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struct {
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uint32_t clock_id;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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};
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union msg_set_clock_rate_body {
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} req;
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struct {
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uint32_t clock_id;
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uint32_t rate_hz;
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} resp;
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};
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#define BCM2835_FIRMWARE_TAG_GET_VOLTAGE 0x00030003
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#define BCM2835_FIRMWARE_TAG_SET_VOLTAGE 0x00038003
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#define BCM2835_FIRMWARE_TAG_GET_MAX_VOLTAGE 0x00030005
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#define BCM2835_FIRMWARE_TAG_GET_MIN_VOLTAGE 0x00030008
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#define BCM2835_FIRMWARE_VOLTAGE_ID_CORE 0x00000001
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#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_C 0x00000002
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#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_P 0x00000003
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#define BCM2835_FIRMWARE_VOLTAGE_ID_SDRAM_I 0x00000004
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union msg_get_voltage_body {
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struct {
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uint32_t voltage_id;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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};
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union msg_set_voltage_body {
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} req;
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struct {
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uint32_t voltage_id;
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uint32_t value;
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} resp;
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};
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#define BCM2835_FIRMWARE_TAG_GET_TEMPERATURE 0x00030006
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#define BCM2835_FIRMWARE_TAG_GET_MAX_TEMPERATURE 0x0003000a
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union msg_get_temperature_body {
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struct {
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uint32_t temperature_id;
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} req;
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struct {
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uint32_t temperature_id;
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uint32_t value;
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} resp;
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};
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#define BCM2835_FIRMWARE_TAG_GET_TURBO 0x00030009
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#define BCM2835_FIRMWARE_TAG_SET_TURBO 0x00038009
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#define BCM2835_FIRMWARE_TURBO_ON 1
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#define BCM2835_FIRMWARE_TURBO_OFF 0
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union msg_get_turbo_body {
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struct {
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uint32_t id;
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} req;
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struct {
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uint32_t id;
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uint32_t level;
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} resp;
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};
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union msg_set_turbo_body {
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struct {
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uint32_t id;
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uint32_t level;
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} req;
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struct {
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uint32_t id;
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uint32_t level;
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} resp;
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};
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#define BCM2835_FIRMWARE_TAG_GET_GPIO_STATE 0x00030041
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#define BCM2835_FIRMWARE_TAG_SET_GPIO_STATE 0x00038041
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#define BCM2835_FIRMWARE_TAG_GET_GPIO_CONFIG 0x00030043
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#define BCM2835_FIRMWARE_TAG_SET_GPIO_CONFIG 0x00038043
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#define BCM2835_FIRMWARE_GPIO_IN 0
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#define BCM2835_FIRMWARE_GPIO_OUT 1
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union msg_get_gpio_state {
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struct {
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uint32_t gpio;
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} req;
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struct {
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uint32_t gpio;
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uint32_t state;
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} resp;
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};
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union msg_set_gpio_state {
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struct {
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uint32_t gpio;
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uint32_t state;
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} req;
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struct {
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uint32_t gpio;
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} resp;
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};
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union msg_get_gpio_config {
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struct {
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uint32_t gpio;
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} req;
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struct {
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uint32_t gpio;
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uint32_t dir;
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uint32_t pol;
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uint32_t term_en;
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uint32_t term_pull_up;
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} resp;
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};
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union msg_set_gpio_config {
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struct {
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uint32_t gpio;
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uint32_t dir;
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uint32_t pol;
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uint32_t term_en;
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uint32_t term_pull_up;
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uint32_t state;
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} req;
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struct {
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uint32_t gpio;
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} resp;
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};
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int bcm2835_firmware_property(device_t, uint32_t, void *, size_t);
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#endif
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