180 lines
5.7 KiB
C
180 lines
5.7 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-09-10 bigmagic first version
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*/
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#ifndef __MBOX_H__
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#define __MBOX_H__
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#include <rtthread.h>
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#include "board.h"
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//https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
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//https://github.com/hermanhermitage/videocoreiv
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/* a properly aligned buffer */
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extern volatile unsigned int* mbox;
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#define MBOX_REQUEST 0
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/* channels */
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#define MBOX_CH_POWER 0
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#define MBOX_CH_FB 1
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#define MBOX_CH_VUART 2
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#define MBOX_CH_VCHIQ 3
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#define MBOX_CH_LEDS 4
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#define MBOX_CH_BTNS 5
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#define MBOX_CH_TOUCH 6
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#define MBOX_CH_COUNT 7
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#define MBOX_CH_PROP 8
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/* tags */
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#define MBOX_TAG_SETPOWER 0x28001
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#define MBOX_TAG_SETCLKRATE 0x38002
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#define MBOX_GET_MAC_ADDRESS 0x10003
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#define MBOX_TAG_LAST 0
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#define MMIO_BASE 0xFE000000
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#define VIDEOCORE_MBOX (MMIO_BASE+0x0000B880)
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#define MBOX_READ ((volatile unsigned int*)(VIDEOCORE_MBOX+0x0))
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#define MBOX_POLL ((volatile unsigned int*)(VIDEOCORE_MBOX+0x10))
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#define MBOX_SENDER ((volatile unsigned int*)(VIDEOCORE_MBOX+0x14))
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#define MBOX_STATUS ((volatile unsigned int*)(VIDEOCORE_MBOX+0x18))
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#define MBOX_CONFIG ((volatile unsigned int*)(VIDEOCORE_MBOX+0x1C))
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#define MBOX_WRITE ((volatile unsigned int*)(VIDEOCORE_MBOX+0x20))
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#define MBOX_RESPONSE 0x80000000
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#define MBOX_FULL 0x80000000
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#define MBOX_EMPTY 0x40000000
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#define DEVICE_ID_SD_CARD (0)
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#define DEVICE_ID_USB_HCD (3)
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#define POWER_STATE_OFF (0 << 0)
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#define POWER_STATE_ON (1 << 0)
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#define POWER_STATE_WAIT (1 << 1)
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#define POWER_STATE_NO_DEVICE (1 << 1) // in response
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#define MMU_ENABLE (1)
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#define MMU_DISABLE (0)
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/*
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* raspi hardware info
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*/
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enum {
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MBOX_TAG_HARDWARE_GET_MODEL = 0x00010001,
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MBOX_TAG_HARDWARE_GET_REV = 0x00010002,
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MBOX_TAG_HARDWARE_GET_MAC_ADDRESS = 0x00010003,
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MBOX_TAG_HARDWARE_GET_SERIAL = 0x00010004,
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MBOX_TAG_HARDWARE_GET_ARM_MEMORY = 0x00010005,
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MBOX_TAG_HARDWARE_GET_VC_MEMORY = 0x00010006,
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MBOX_TAG_HARDWARE_GET_CLOCKS = 0x00010007,
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};
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/*
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* raspi clock
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*/
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enum {
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MBOX_TAG_CLOCK_GET_TURBO = 0x00030009,
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MBOX_TAG_CLOCK_SET_TURBO = 0x00038009,
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MBOX_TAG_CLOCK_GET_STATE = 0x00030001,
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MBOX_TAG_CLOCK_SET_STATE = 0x00038001,
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MBOX_TAG_CLOCK_GET_RATE = 0x00030002,
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MBOX_TAG_CLOCK_SET_RATE = 0x00038002,
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MBOX_TAG_CLOCK_GET_MAX_RATE = 0x00030004,
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MBOX_TAG_CLOCK_GET_MIN_RATE = 0x00030007,
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};
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/*
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* raspi power
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*/
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enum {
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MBOX_TAG_POWER_GET_STATE = 0x00020001,
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MBOX_TAG_POWER_SET_STATE = 0x00028001,
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};
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/*
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* raspi temperature
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*/
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enum {
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MBOX_TAG_TEMP_GET = 0x00030006,
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MBOX_TAG_TEMP_GET_MAX = 0x0003000A,
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};
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/*
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* raspi Memory
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*/
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enum {
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MBOX_TAG_ALLOCATE_MEMORY = 0x0003000C, // Memory: Allocates Contiguous Memory On The GPU (Response: Handle)
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MBOX_TAG_LOCK_MEMORY = 0x0003000D, // Memory: Unlock Buffer (Response: Status)
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MBOX_TAG_UNLOCK_MEMORY = 0x0003000E, // Memory: Unlock Buffer (Response: Status)
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MBOX_TAG_RELEASE_MEMORY = 0x0003000F, // Memory: Free The Memory Buffer (Response: Status)
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MBOX_TAG_EXECUTE_CODE = 0x00030010, // Memory: Calls The Function At Given (Bus) Address And With Arguments Given
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};
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/*
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* raspi GPU
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*/
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enum {
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MBOX_TAG_EXECUTE_QPU = 0x00030011, // QPU: Calls The QPU Function At Given (Bus) Address And With Arguments Given (Response: Number Of QPUs, Control, No Flush, Timeout In ms)
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MBOX_TAG_ENABLE_QPU = 0x00030012, // QPU: Enables The QPU (Response: Enable State)
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};
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/*
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* raspi HDMI
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*/
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#define MBOX_TAG_GET_EDID_BLOCK 0x00030020 // HDMI: Read Specificed EDID Block From Attached HDMI/DVI Device (Response: Block Number, Status, EDID Block (128 Bytes))
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/*
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* raspi NOTIFY
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*/
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#define MBOX_TAG_NOTIFY_REBOOT 0x00030048
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#define MBOX_TAG_NOTIFY_XHCI_RESET 0x00030058
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/*
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* touch
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*/
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#define MBOX_TAG_GET_TOUCHBUF (0x0004000F)
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#define MBOX_ADDR 0x08000000
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#define RES_CLK_ID (0x000000000)
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#define EMMC_CLK_ID (0x000000001)
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#define UART_CLK_ID (0x000000002)
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#define ARM_CLK_ID (0x000000003)
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#define CORE_CLK_ID (0x000000004)
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#define V3D_CLK_ID (0x000000005)
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#define H264_CLK_ID (0x000000006)
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#define ISP_CLK_ID (0x000000007)
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#define SDRAM_CLK_ID (0x000000008)
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#define PIXEL_CLK_ID (0x000000009)
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#define PWM_CLK_ID (0x00000000a)
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int mbox_call(unsigned char ch, int mmu_enable);
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int bcm271x_mbox_get_touch(void);
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int bcm271x_notify_reboot(void);
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int bcm271x_notify_xhci_reset(void);
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int bcm271x_gpu_enable(void);
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int bcm271x_mbox_hardware_get_model(void);
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int bcm271x_mbox_hardware_get_revison(void);
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int bcm271x_mbox_hardware_get_mac_address(uint8_t * mac);
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int bcm271x_mbox_hardware_get_serial(rt_uint64_t* sn);
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int bcm271x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size);
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int bcm271x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size);
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int bcm271x_mbox_clock_get_turbo(void);
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int bcm271x_mbox_clock_set_turbo(int level);
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int bcm271x_mbox_clock_get_state(int id);
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int bcm271x_mbox_clock_set_state(int id, int state);
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int bcm271x_mbox_clock_get_rate(int id);
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int bcm271x_mbox_clock_set_rate(int id, int rate);
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int bcm271x_mbox_clock_get_max_rate(int id);
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int bcm271x_mbox_clock_get_min_rate(int id);
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int bcm271x_mbox_power_get_state(int id);
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int bcm271x_mbox_power_set_state(int id, int state);
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int bcm271x_mbox_temp_get(void);
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int bcm271x_mbox_temp_get_max(void);
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#endif
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