179 lines
5.6 KiB
C
179 lines
5.6 KiB
C
/*
|
|
* Copyright (c) 2006-2020, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-09-10 bigmagic first version
|
|
*/
|
|
|
|
#ifndef __MBOX_H__
|
|
#define __MBOX_H__
|
|
|
|
#include <rtthread.h>
|
|
|
|
//https://github.com/raspberrypi/firmware/wiki/Mailbox-property-interface
|
|
//https://github.com/hermanhermitage/videocoreiv
|
|
|
|
/* a properly aligned buffer */
|
|
extern volatile unsigned int* mbox;
|
|
|
|
#define MBOX_REQUEST 0
|
|
|
|
/* channels */
|
|
#define MBOX_CH_POWER 0
|
|
#define MBOX_CH_FB 1
|
|
#define MBOX_CH_VUART 2
|
|
#define MBOX_CH_VCHIQ 3
|
|
#define MBOX_CH_LEDS 4
|
|
#define MBOX_CH_BTNS 5
|
|
#define MBOX_CH_TOUCH 6
|
|
#define MBOX_CH_COUNT 7
|
|
#define MBOX_CH_PROP 8
|
|
|
|
/* tags */
|
|
#define MBOX_TAG_SETPOWER 0x28001
|
|
#define MBOX_TAG_SETCLKRATE 0x38002
|
|
#define MBOX_GET_MAC_ADDRESS 0x10003
|
|
#define MBOX_TAG_LAST 0
|
|
|
|
#define MMIO_BASE 0xFE000000
|
|
#define VIDEOCORE_MBOX (MMIO_BASE+0x0000B880)
|
|
#define MBOX_READ ((volatile unsigned int*)(VIDEOCORE_MBOX+0x0))
|
|
#define MBOX_POLL ((volatile unsigned int*)(VIDEOCORE_MBOX+0x10))
|
|
#define MBOX_SENDER ((volatile unsigned int*)(VIDEOCORE_MBOX+0x14))
|
|
#define MBOX_STATUS ((volatile unsigned int*)(VIDEOCORE_MBOX+0x18))
|
|
#define MBOX_CONFIG ((volatile unsigned int*)(VIDEOCORE_MBOX+0x1C))
|
|
#define MBOX_WRITE ((volatile unsigned int*)(VIDEOCORE_MBOX+0x20))
|
|
#define MBOX_RESPONSE 0x80000000
|
|
#define MBOX_FULL 0x80000000
|
|
#define MBOX_EMPTY 0x40000000
|
|
|
|
#define DEVICE_ID_SD_CARD (0)
|
|
#define DEVICE_ID_USB_HCD (3)
|
|
#define POWER_STATE_OFF (0 << 0)
|
|
#define POWER_STATE_ON (1 << 0)
|
|
#define POWER_STATE_WAIT (1 << 1)
|
|
#define POWER_STATE_NO_DEVICE (1 << 1) // in response
|
|
#define MMU_ENABLE (1)
|
|
#define MMU_DISABLE (0)
|
|
|
|
/*
|
|
* raspi hardware info
|
|
*/
|
|
enum {
|
|
MBOX_TAG_HARDWARE_GET_MODEL = 0x00010001,
|
|
MBOX_TAG_HARDWARE_GET_REV = 0x00010002,
|
|
MBOX_TAG_HARDWARE_GET_MAC_ADDRESS = 0x00010003,
|
|
MBOX_TAG_HARDWARE_GET_SERIAL = 0x00010004,
|
|
MBOX_TAG_HARDWARE_GET_ARM_MEMORY = 0x00010005,
|
|
MBOX_TAG_HARDWARE_GET_VC_MEMORY = 0x00010006,
|
|
MBOX_TAG_HARDWARE_GET_CLOCKS = 0x00010007,
|
|
};
|
|
|
|
/*
|
|
* raspi clock
|
|
*/
|
|
enum {
|
|
MBOX_TAG_CLOCK_GET_TURBO = 0x00030009,
|
|
MBOX_TAG_CLOCK_SET_TURBO = 0x00038009,
|
|
MBOX_TAG_CLOCK_GET_STATE = 0x00030001,
|
|
MBOX_TAG_CLOCK_SET_STATE = 0x00038001,
|
|
MBOX_TAG_CLOCK_GET_RATE = 0x00030002,
|
|
MBOX_TAG_CLOCK_SET_RATE = 0x00038002,
|
|
MBOX_TAG_CLOCK_GET_MAX_RATE = 0x00030004,
|
|
MBOX_TAG_CLOCK_GET_MIN_RATE = 0x00030007,
|
|
};
|
|
|
|
/*
|
|
* raspi power
|
|
*/
|
|
enum {
|
|
MBOX_TAG_POWER_GET_STATE = 0x00020001,
|
|
MBOX_TAG_POWER_SET_STATE = 0x00028001,
|
|
};
|
|
|
|
/*
|
|
* raspi temperature
|
|
*/
|
|
enum {
|
|
MBOX_TAG_TEMP_GET = 0x00030006,
|
|
MBOX_TAG_TEMP_GET_MAX = 0x0003000A,
|
|
};
|
|
|
|
/*
|
|
* raspi Memory
|
|
*/
|
|
enum {
|
|
MBOX_TAG_ALLOCATE_MEMORY = 0x0003000C, // Memory: Allocates Contiguous Memory On The GPU (Response: Handle)
|
|
MBOX_TAG_LOCK_MEMORY = 0x0003000D, // Memory: Unlock Buffer (Response: Status)
|
|
MBOX_TAG_UNLOCK_MEMORY = 0x0003000E, // Memory: Unlock Buffer (Response: Status)
|
|
MBOX_TAG_RELEASE_MEMORY = 0x0003000F, // Memory: Free The Memory Buffer (Response: Status)
|
|
MBOX_TAG_EXECUTE_CODE = 0x00030010, // Memory: Calls The Function At Given (Bus) Address And With Arguments Given
|
|
};
|
|
|
|
/*
|
|
* raspi GPU
|
|
*/
|
|
enum {
|
|
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)
|
|
MBOX_TAG_ENABLE_QPU = 0x00030012, // QPU: Enables The QPU (Response: Enable State)
|
|
};
|
|
|
|
/*
|
|
* raspi HDMI
|
|
*/
|
|
#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))
|
|
|
|
/*
|
|
* raspi NOTIFY
|
|
*/
|
|
#define MBOX_TAG_NOTIFY_REBOOT 0x00030048
|
|
#define MBOX_TAG_NOTIFY_XHCI_RESET 0x00030058
|
|
|
|
/*
|
|
* touch
|
|
*/
|
|
#define MBOX_TAG_GET_TOUCHBUF (0x0004000F)
|
|
|
|
#define MBOX_ADDR 0x08000000
|
|
|
|
#define RES_CLK_ID (0x000000000)
|
|
#define EMMC_CLK_ID (0x000000001)
|
|
#define UART_CLK_ID (0x000000002)
|
|
#define ARM_CLK_ID (0x000000003)
|
|
#define CORE_CLK_ID (0x000000004)
|
|
#define V3D_CLK_ID (0x000000005)
|
|
#define H264_CLK_ID (0x000000006)
|
|
#define ISP_CLK_ID (0x000000007)
|
|
#define SDRAM_CLK_ID (0x000000008)
|
|
#define PIXEL_CLK_ID (0x000000009)
|
|
#define PWM_CLK_ID (0x00000000a)
|
|
|
|
int mbox_call(unsigned char ch, int mmu_enable);
|
|
int bcm271x_mbox_get_touch(void);
|
|
int bcm271x_notify_reboot(void);
|
|
int bcm271x_notify_xhci_reset(void);
|
|
int bcm271x_gpu_enable(void);
|
|
int bcm271x_mbox_hardware_get_model(void);
|
|
int bcm271x_mbox_hardware_get_revison(void);
|
|
int bcm271x_mbox_hardware_get_mac_address(uint8_t * mac);
|
|
int bcm271x_mbox_hardware_get_serial(rt_uint64_t* sn);
|
|
int bcm271x_mbox_hardware_get_arm_memory(rt_uint32_t * base, rt_uint32_t * size);
|
|
int bcm271x_mbox_hardware_get_vc_memory(rt_uint32_t * base, rt_uint32_t * size);
|
|
int bcm271x_mbox_clock_get_turbo(void);
|
|
int bcm271x_mbox_clock_set_turbo(int level);
|
|
int bcm271x_mbox_clock_get_state(int id);
|
|
int bcm271x_mbox_clock_set_state(int id, int state);
|
|
int bcm271x_mbox_clock_get_rate(int id);
|
|
int bcm271x_mbox_clock_set_rate(int id, int rate);
|
|
int bcm271x_mbox_clock_get_max_rate(int id);
|
|
int bcm271x_mbox_clock_get_min_rate(int id);
|
|
int bcm271x_mbox_power_get_state(int id);
|
|
int bcm271x_mbox_power_set_state(int id, int state);
|
|
int bcm271x_mbox_temp_get(void);
|
|
int bcm271x_mbox_temp_get_max(void);
|
|
|
|
#endif
|