/** @file
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*
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* Copyright (c) 2019-2020, Pete Batard <pete@akeo.ie>
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* Copyright (c) 2017-2020, Andrei Warkentin <andrey.warkentin@gmail.com>
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* Copyright (c) 2016, Linaro Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#ifndef __RASPBERRY_PI_MAILBOX_H__
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#define __RASPBERRY_PI_MAILBOX_H__
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/*
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* Number of iterations to perform when waiting for the mailbox.
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*
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* This number was arrived at empirically, following discussion
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* at https://github.com/raspberrypi/firmware/issues/1376, to
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* avoid mailbox time-outs on some commands.
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*/
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#define RPI_MBOX_MAX_TRIES 0x8000000
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/* Mailbox channels */
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#define RPI_MBOX_PM_CHANNEL 0
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#define RPI_MBOX_FB_CHANNEL 1
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#define RPI_MBOX_VUART_CHANNEL 2
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#define RPI_MBOX_VCHIQ_CHANNEL 3
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#define RPI_MBOX_LED_CHANNEL 4
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#define RPI_MBOX_BUTTON_CHANNEL 5
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#define RPI_MBOX_TOUCHSCREEN_CHANNEL 6
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/* Request from ARM for response by VideoCore */
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#define RPI_MBOX_VC_CHANNEL 8
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/* Request from VideoCore for response by ARM */
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#define RPI_MBOX_ARM_CHANNEL 9
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#define RPI_MBOX_RESP_SUCCESS 0x80000000
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#define RPI_MBOX_RESP_FAILURE 0x80000001
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#define RPI_MBOX_VALUE_SIZE_RESPONSE_MASK BIT31
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#define RPI_MBOX_GET_REVISION 0x00000001
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#define RPI_MBOX_GET_BOARD_MODEL 0x00010001
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#define RPI_MBOX_GET_BOARD_REVISION 0x00010002
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#define RPI_MBOX_GET_MAC_ADDRESS 0x00010003
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#define RPI_MBOX_GET_BOARD_SERIAL 0x00010004
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#define RPI_MBOX_GET_ARM_MEMSIZE 0x00010005
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#define RPI_MBOX_GET_VC_MEMSIZE 0x00010006
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#define RPI_MBOX_GET_CLOCKS 0x00010007
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#define RPI_MBOX_GET_POWER_STATE 0x00020001
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#define RPI_MBOX_GET_TIMING 0x00020002
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#define RPI_MBOX_SET_POWER_STATE 0x00028001
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#define RPI_MBOX_POWER_STATE_SDHCI 0x00000000
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#define RPI_MBOX_POWER_STATE_UART0 0x00000001
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#define RPI_MBOX_POWER_STATE_UART1 0x00000002
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#define RPI_MBOX_POWER_STATE_USB_HCD 0x00000003
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#define RPI_MBOX_POWER_STATE_I2C0 0x00000004
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#define RPI_MBOX_POWER_STATE_I2C1 0x00000005
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#define RPI_MBOX_POWER_STATE_I2C2 0x00000006
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#define RPI_MBOX_POWER_STATE_SPI 0x00000007
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#define RPI_MBOX_POWER_STATE_CCP2TX 0x00000008
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#define RPI_MBOX_GET_CLOCK_STATE 0x00030001
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#define RPI_MBOX_GET_CLOCK_RATE 0x00030002
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#define RPI_MBOX_GET_VOLTAGE 0x00030003
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#define RPI_MBOX_GET_MAX_CLOCK_RATE 0x00030004
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#define RPI_MBOX_GET_MAX_VOLTAGE 0x00030005
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#define RPI_MBOX_GET_TEMPERATURE 0x00030006
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#define RPI_MBOX_GET_MIN_CLOCK_RATE 0x00030007
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#define RPI_MBOX_GET_MIN_VOLTAGE 0x00030008
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#define RPI_MBOX_GET_TURBO 0x00030009
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#define RPI_MBOX_GET_MAX_TEMPERATURE 0x0003000a
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#define RPI_MBOX_GET_STC 0x0003000b
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#define RPI_MBOX_ALLOCATE_MEMORY 0x0003000c
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#define RPI_MBOX_LOCK_MEMORY 0x0003000d
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#define RPI_MBOX_UNLOCK_MEMORY 0x0003000e
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#define RPI_MBOX_RELEASE_MEMORY 0x0003000f
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#define RPI_MBOX_EXECUTE_CODE 0x00030010
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#define RPI_MBOX_EXECUTE_QPU 0x00030011
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#define RPI_MBOX_SET_ENABLE_QPU 0x00030012
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#define RPI_MBOX_GET_DISPMANX_RESOURCE_MEM_HANDLE 0x00030014
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#define RPI_MBOX_GET_EDID_BLOCK 0x00030020
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#define RPI_MBOX_GET_CUSTOMER_OTP 0x00030021
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#define RPI_MBOX_GET_DOMAIN_STATE 0x00030030
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#define RPI_MBOX_GET_GPIO_STATE 0x00030041
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#define RPI_MBOX_GET_GPIO_CONFIG 0x00030043
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#define RPI_MBOX_GET_PERIPH_REG 0x00030045
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#define RPI_MBOX_GET_THROTTLED 0x00030046
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#define RPI_MBOX_GET_CLOCK_MEASURED 0x00030047
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#define RPI_MBOX_NOTIFY_REBOOT 0x00030048
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#define RPI_MBOX_GET_POE_HAT_VAL 0x00030049
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#define RPI_MBOX_SET_POE_HAT_VAL 0x00030050
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#define RPI_MBOX_NOTIFY_XHCI_RESET 0x00030058
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#define RPI_MBOX_SET_CLOCK_STATE 0x00038001
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#define RPI_MBOX_SET_CLOCK_RATE 0x00038002
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#define RPI_MBOX_SET_VOLTAGE 0x00038003
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#define RPI_MBOX_SET_TURBO 0x00038009
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#define RPI_MBOX_SET_CUSTOMER_OTP 0x00038021
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#define RPI_MBOX_SET_DOMAIN_STATE 0x00038030
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#define RPI_MBOX_SET_GPIO 0x00038041
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#define RPI_MBOX_SET_SDHOST_CLOCK 0x00038042
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#define RPI_MBOX_SET_GPIO_CONFIG 0x00038043
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#define RPI_MBOX_SET_PERIPH_REG 0x00038045
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#define RPI_MBOX_ALLOC_FB 0x00040001
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#define RPI_MBOX_FB_BLANK 0x00040002
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#define RPI_MBOX_GET_FB_GEOMETRY 0x00040003
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#define RPI_MBOX_GET_FB_VIRTUAL_WIDTH_HEIGHT 0x00040004
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#define RPI_MBOX_GET_FB_COLOR_DEPTH 0x00040005
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#define RPI_MBOX_GET_FB_PIXEL_ORDER 0x00040006
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#define RPI_MBOX_GET_FB_ALPHA_MODE 0x00040007
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#define RPI_MBOX_GET_FB_LINELENGTH 0x00040008
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#define RPI_MBOX_GET_FB_VIRTUAL_OFFSET 0x00040009
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#define RPI_MBOX_GET_FB_OVERSCAN 0x0004000a
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#define RPI_MBOX_GET_FB_PALETTE 0x0004000b
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#define RPI_MBOX_GET_FB_TOUCHBUF 0x0004000f
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#define RPI_MBOX_GET_FB_GPIOVIRTBUF 0x00040010
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#define RPI_MBOX_TEST_FB_PHYSICAL_WIDTH_HEIGHT 0x00044003
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#define RPI_MBOX_TEST_FB_VIRTUAL_WIDTH_HEIGHT 0x00044004
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#define RPI_MBOX_TEST_FB_DEPTH 0x00044005
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#define RPI_MBOX_TEST_FB_PIXEL_ORDER 0x00044006
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#define RPI_MBOX_TEST_FB_ALPHA_MODE 0x00044007
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#define RPI_MBOX_TEST_FB_VIRTUAL_OFFSET 0x00044009
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#define RPI_MBOX_TEST_FB_OVERSCAN 0x0004400a
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#define RPI_MBOX_TEST_FB_PALETTE 0x0004400b
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#define RPI_MBOX_TEST_FB_VSYNC 0x0004400e
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#define RPI_MBOX_FREE_FB 0x00048001
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#define RPI_MBOX_SET_FB_PGEOM 0x00048003
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#define RPI_MBOX_SET_FB_VGEOM 0x00048004
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#define RPI_MBOX_SET_FB_DEPTH 0x00048005
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#define RPI_MBOX_SET_FB_PIXEL_ORDER 0x00048006
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#define RPI_MBOX_SET_FB_ALPHA_MODE 0x00048007
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#define RPI_MBOX_SET_FB_VIRTUAL_OFFSET 0x00048009
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#define RPI_MBOX_SET_FB_OVERSCAN 0x0004800a
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#define RPI_MBOX_SET_FB_PALET TE 0x0004800b
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#define RPI_MBOX_VCHIQ_INIT 0x00048010
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#define RPI_MBOX_SET_FB_TOUCHBUF 0x0004801f
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#define RPI_MBOX_SET_FB_GPIOVIRTBUF 0x00048020
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#define RPI_MBOX_SET_FB_VSYNC 0x0004800e
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#define RPI_MBOX_SET_FB_BACKLIGHT 0x0004800f
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#define RPI_MBOX_GET_COMMAND_LINE 0x00050001
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#define RPI_MBOX_GET_DMA_CHANNELS 0x00060001
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#define RPI_MBOX_POWER_STATE_ENABLE BIT0
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#define RPI_MBOX_POWER_STATE_WAIT BIT1
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#define RPI_MBOX_CLOCK_RATE_EMMC 0x000000001
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#define RPI_MBOX_CLOCK_RATE_UART 0x000000002
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#define RPI_MBOX_CLOCK_RATE_ARM 0x000000003
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#define RPI_MBOX_CLOCK_RATE_CORE 0x000000004
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#define RPI_MBOX_CLOCK_RATE_V3D 0x000000005
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#define RPI_MBOX_CLOCK_RATE_H264 0x000000006
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#define RPI_MBOX_CLOCK_RATE_ISP 0x000000007
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#define RPI_MBOX_CLOCK_RATE_SDRAM 0x000000008
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#define RPI_MBOX_CLOCK_RATE_PIXEL 0x000000009
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#define RPI_MBOX_CLOCK_RATE_PWM 0x00000000a
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#define RPI_MBOX_CLOCK_RATE_HEVC 0x00000000b
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#define RPI_MBOX_CLOCK_RATE_EMMC2 0x00000000c
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#define RPI_MBOX_CLOCK_RATE_M2MC 0x00000000d
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#define RPI_MBOX_CLOCK_RATE_PIXEL_BVB 0x00000000d
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#define RPI_EXP_GPIO_DIR_IN 0
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#define RPI_EXP_GPIO_DIR_OUT 1
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#define RPI_EXP_GPIO_BT 0
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#define RPI_EXP_GPIO_WIFI 1
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#define RPI_EXP_GPIO_LED 2
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#define RPI_EXP_GPIO_RESET 3
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#define RPI_EXP_GPIO_SD_VOLT 4
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#define RPI_EXP_GPIO_CAMERA 5
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#define RPI_EXP_GPIO_SD_POWER 6
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#define RPI_EXP_GPIO_POWER_LED 7
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#endif /* __RASPBERRY_PI_MAILBOX_H__ */
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