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/**
* @file
*
* @ingroup raspberrypi_vc
*
* @brief video core support.
*
*/
/*
* Copyright (c) 2015 Yang Qiao
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
*
* http://www.rtems.org/license/LICENSE
*
*/
#ifndef LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H
#define LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H
/**
* @defgroup raspberrypi_vc Register Definitions
*
* @ingroup arm_raspberrypi
*
* @brief Register Definitions
*
* @{
*/
/**
* @name Mailbox Property tags (ARM <-> VC)
*
* @{
*/
#define BCM2835_MBOX_BUF_CODE_PROCESS_REQUEST 0x00000000
#define BCM2835_MBOX_BUF_CODE_REQUEST_SUCCEED 0x80000000
#define BCM2835_MBOX_BUF_CODE_REQUEST_PARSING_ERROR 0x80000001
#define BCM2835_MBOX_TAG_VAL_LEN_REQUEST 0x00000000
#define BCM2835_MBOX_TAG_VAL_LEN_RESPONSE 0x80000000
/**
* @brief Buffer Header
*
* All message buffers should start with this header, called 'hdr'.
* Then it should be followed by a list of tags.
* An additional empty tag should be added at the end, called 'end_tag'
*
*/
typedef struct {
/**
* @brief Buffer Size
*
* The size of whole structure including the header(size and code),
* tags, end tag and padding.
*/
uint32_t buf_size;
/**
* @brief Buffer Code
*
* The code indicate the status of operation.
* Use function BCM2835_MAILBOX_BUFFER_IS_SUCCEED(bcm2835_mailbox_buffer*)
* to check if the operation is succeed
*/
uint32_t buf_code;
} bcm2835_mbox_buf_hdr;
/**
* @brief Tag Header
*
* Tag is used for getting/testing/setting an property.
* All tags should start with this header.
* Then it should be followed by a data buffer for request and response.
*
*/
typedef struct {
/**
* @brief Property Tag ID
*/
uint32_t tag;
/**
* @brief The size of request qnd responce buffer
*/
uint32_t val_buf_size;
/**
* @brief The size of response buffer set by videocore.
*
* upper bit reserved for request/response indicator
*/
uint32_t val_len;
} bcm2835_mbox_tag_hdr;
#define BCM2835_MBOX_TAG_REPLY_IS_SET( _t_ ) \
( ( _t_ )->tag_hdr.val_len & 0x80000000 )
#define BCM2835_MBOX_INIT_BUF( _m_ ) { \
memset( ( _m_ ), 0, sizeof( *( _m_ ) ) ); \
( _m_ )->hdr.buf_size = (void *)&(( _m_ )->end_tag) + 4 - (void *)( _m_ ); \
( _m_ )->hdr.buf_code = BCM2835_MBOX_BUF_CODE_PROCESS_REQUEST; \
( _m_ )->end_tag = 0; \
}
#define BCM2835_MBOX_INIT_TAG( _t_, _id_ ) { \
( _t_ )->tag_hdr.tag = _id_; \
( _t_ )->tag_hdr.val_buf_size = sizeof( ( _t_ )->body ); \
( _t_ )->tag_hdr.val_len = sizeof( ( _t_ )->body.req ); \
}
#define BCM2835_MBOX_INIT_TAG_NO_REQ( _t_, _id_ ) { \
( _t_ )->tag_hdr.tag = _id_; \
( _t_ )->tag_hdr.val_buf_size = sizeof( ( _t_ )->body ); \
( _t_ )->tag_hdr.val_len = 0; \
}
/*
* Mailbox buffers has to be aligned to 16 bytes because
* 4 LSB bits of the BCM2835_MBOX_WRITE and BCM2835_MBOX_READ
* registers are used to pass channel number.
*
* But there is another requirement for buffer allocation
* as well when interface is called after cache is enabled.
* The buffer should not share cache line with another variable
* which can be updated during data exchange with VideoCore.
* If cache is filled to satisfy another variable update
* during VideoCore output is stored into main memory then
* part of received data can be lost.
*
* Cache line length is 64 bytes for RPi2 Cortex-A7 data cache
* so align buffers to this value.
*/
#define BCM2835_MBOX_BUF_ALIGN_ATTRIBUTE __attribute__( ( aligned( 64 ) ) )
/* Video Core */
#define BCM2835_MAILBOX_TAG_FIRMWARE_REVISION 0x00000001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t rev;
} resp;
} body;
} bcm2835_mbox_tag_get_fw_rev;
/* Hardware */
#define BCM2835_MAILBOX_TAG_GET_BOARD_MODEL 0x00010001
#define BCM2835_MAILBOX_TAG_GET_BOARD_VERSION 0x00010002
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t spec;
} resp;
} body;
} bcm2835_mbox_tag_get_board_spec;
#if (BSP_IS_RPI2 == 1)
#define BCM2836_MAILBOX_BOARD_V_2_B 0x4
#else
#define BCM2835_MAILBOX_BOARD_V_B_I2C0_2 0x2
#define BCM2835_MAILBOX_BOARD_V_B_I2C0_3 0x3
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_4 0x4
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_5 0x5
#define BCM2835_MAILBOX_BOARD_V_B_I2C1_6 0x6
#define BCM2835_MAILBOX_BOARD_V_A_7 0x7
#define BCM2835_MAILBOX_BOARD_V_A_8 0x8
#define BCM2835_MAILBOX_BOARD_V_A_9 0x9
#define BCM2835_MAILBOX_BOARD_V_B_REV2_d 0xd
#define BCM2835_MAILBOX_BOARD_V_B_REV2_e 0xe
#define BCM2835_MAILBOX_BOARD_V_B_REV2_f 0xf
#define BCM2835_MAILBOX_BOARD_V_B_PLUS 0x10
#define BCM2835_MAILBOX_BOARD_V_CM 0x11
#define BCM2835_MAILBOX_BOARD_V_A_PLUS 0x12
#endif
#define BCM2835_MAILBOX_TAG_GET_BOARD_MAC 0x00010003
#define BCM2835_MAILBOX_TAG_GET_BOARD_SERIAL 0x00010004
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint64_t board_serial;
} resp;
} body;
} bcm2835_mbox_tag_get_board_serial;
#define BCM2835_MAILBOX_TAG_GET_ARM_MEMORY 0x00010005
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_get_arm_memory;
#define BCM2835_MAILBOX_TAG_GET_VC_MEMORY 0x00010006
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_get_vc_memory;
#define BCM2835_MAILBOX_TAG_GET_CLOCKS 0x00010007
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t clock_id;
} req;
struct {
uint32_t clock_id;
uint32_t clock_rate;
} resp;
} body;
} bcm2835_mbox_tag_get_clock_rate;
/* Config */
#define BCM2835_MAILBOX_TAG_GET_CMD_LINE 0x00050001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint8_t cmdline[ 1024 ];
} resp;
} body;
} bcm2835_mbox_tag_get_cmd_line;
/* Shared resource management */
#define BCM2835_MAILBOX_TAG_GET_DMA_CHANNELS 0x00060001
/* Power */
#define BCM2835_MAILBOX_POWER_UDID_SD_Card 0x00000000
#define BCM2835_MAILBOX_POWER_UDID_UART0 0x00000001
#define BCM2835_MAILBOX_POWER_UDID_UART1 0x00000002
#define BCM2835_MAILBOX_POWER_UDID_USB_HCD 0x00000003
#define BCM2835_MAILBOX_POWER_UDID_I2C0 0x00000004
#define BCM2835_MAILBOX_POWER_UDID_I2C1 0x00000005
#define BCM2835_MAILBOX_POWER_UDID_I2C2 0x00000006
#define BCM2835_MAILBOX_POWER_UDID_SPI 0x00000007
#define BCM2835_MAILBOX_POWER_UDID_CCP2TX 0x00000008
#define BCM2835_MAILBOX_TAG_GET_POWER_STATE 0x00020001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t dev_id;
} req;
struct {
uint32_t dev_id;
uint32_t state;
} resp;
} body;
} bcm2835_mbox_tag_get_power_state;
#define BCM2835_MAILBOX_POWER_STATE_RESP_ON (1 << 0)
#define BCM2835_MAILBOX_POWER_STATE_RESP_NODEV (1 << 1)
#define BCM2835_MAILBOX_TAG_GET_TIMING 0x00020002
#define BCM2835_MAILBOX_TAG_SET_POWER_STATE 0x00028001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t dev_id;
uint32_t state;
} req;
struct {
uint32_t dev_id;
uint32_t state;
} resp;
} body;
} bcm2835_mbox_tag_power_state;
#ifndef BCM2835_MAILBOX_SET_POWER_STATE_REQ_ON
/* Value is defined as a part of public VideoCore API */
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_ON (1 << 0)
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_WAIT (1 << 1)
#endif
/* Clocks */
#define BCM2835_MAILBOX_UCID_CLOCK_RESERVED 0x000000000
#define BCM2835_MAILBOX_UCID_CLOCK_EMMC 0x000000001
#define BCM2835_MAILBOX_UCID_CLOCK_UART 0x000000002
#define BCM2835_MAILBOX_UCID_CLOCK_ARM 0x000000003
#define BCM2835_MAILBOX_UCID_CLOCK_CORE 0x000000004
#define BCM2835_MAILBOX_UCID_CLOCK_V3D 0x000000005
#define BCM2835_MAILBOX_UCID_CLOCK_H264 0x000000006
#define BCM2835_MAILBOX_UCID_CLOCK_ISP 0x000000007
#define BCM2835_MAILBOX_UCID_CLOCK_SDRAM 0x000000008
#define BCM2835_MAILBOX_UCID_CLOCK_PIXEL 0x000000009
#define BCM2835_MAILBOX_UCID_CLOCK_PWM 0x00000000a
#define BCM2835_MAILBOX_TAG_GET_CLOCK_STATE 0x00030001
#define BCM2835_MAILBOX_TAG_SET_CLOCK_STATE 0x00038001
#define BCM2835_MAILBOX_TAG_GET_CLOCK_RATE 0x00030002
#define BCM2835_MAILBOX_TAG_SET_CLOCK_RATE 0x00038002
#define BCM2835_MAILBOX_TAG_GET_MAX_CLOCK_RATE 0x00030004
#define BCM2835_MAILBOX_TAG_GET_MIN_CLOCK_RATE 0x00030007
#define BCM2835_MAILBOX_TAG_GET_TRUBO 0x00030009
#define BCM2835_MAILBOX_TAG_SET_TURBO 0x00038009
#define BCM2835_MAILBOX_TAG_GET_DOMAIN_STATE 0x00030030
#define BCM2835_MAILBOX_TAG_SET_DOMAIN_STATE 0x00038030
/* Voltage */
#define BCM2835_MAILBOX_VOLTAGE_RESERVED_UVID 0x000000000
#define BCM2835_MAILBOX_VOLTAGE_CORE_UVID 0x000000001
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_C_UVID 0x000000002
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_P_UVID 0x000000003
#define BCM2835_MAILBOX_VOLTAGE_SDRAM_I_UVID 0x000000004
#define BCM2835_MAILBOX_TAG_GET_VOLTAGE 0x00030003
#define BCM2835_MAILBOX_TAG_SET_VOLTAGE 0x00038003
#define BCM2835_MAILBOX_TAG_GET_MAX_VOLTAGE 0x00030005
#define BCM2835_MAILBOX_TAG_GET_MIN_VOLTAGE 0x00030008
#define BCM2835_MAILBOX_TAG_GET_TEMPERATURE 0x00030006
#define BCM2835_MAILBOX_TAG_GET_MAX_TEMPERATURE 0x0003000a
/* Memory */
#define BCM2835_MAILBOX_TAG_ALLOCATE_MEMORY 0x0003000c
#define BCM2835_MAILBOX_TAG_LOCK_MEMORY 0x0003000d
#define BCM2835_MAILBOX_TAG_UNLOCK_MEMORY 0x0003000e
#define BCM2835_MAILBOX_TAG_RELEASE_MEMORY 0x0003000f
#define BCM2835_MAILBOX_TAG_EXECUTE_CODE 0x00030010
#define BCM2835_MAILBOX_TAG_GET_DISPMANX_RESOURCE_MEM_HANDLE 0x00030014
#define BCM2835_MAILBOX_TAG_GET_EDID_BLOCK 0x00030020
/* Framebuffer */
#define BCM2835_MAILBOX_TAG_ALLOCATE_BUFFER 0x00040001
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t align;
} req;
struct {
uint32_t base;
uint32_t size;
} resp;
} body;
} bcm2835_mbox_tag_allocate_buffer;
#define BCM2835_MAILBOX_TAG_RELEASE_BUFFER 0x00048001
#define BCM2835_MAILBOX_TAG_BLANK_SCREEN 0x00040002
#define BCM2835_MAILBOX_TAG_GET_DISPLAY_SIZE 0x00040003
#define BCM2835_MAILBOX_TAG_TEST_DISPLAY_SIZE 0x00044003
#define BCM2835_MAILBOX_TAG_SET_DISPLAY_SIZE 0x00048003
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t width;
uint32_t height;
} req;
struct {
uint32_t width;
uint32_t height;
} resp;
} body;
} bcm2835_mbox_tag_display_size;
#define BCM2835_MAILBOX_TAG_GET_VIRTUAL_SIZE 0x00040004
#define BCM2835_MAILBOX_TAG_TEST_VIRTUAL_SIZE 0x00044004
#define BCM2835_MAILBOX_TAG_SET_VIRTUAL_SIZE 0x00048004
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t vwidth;
uint32_t vheight;
} req;
struct {
uint32_t vwidth;
uint32_t vheight;
} resp;
} body;
} bcm2835_mbox_tag_virtual_size;
#define BCM2835_MAILBOX_TAG_GET_DEPTH 0x00040005
#define BCM2835_MAILBOX_TAG_TEST_DEPTH 0x00044005
#define BCM2835_MAILBOX_TAG_SET_DEPTH 0x00048005
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t depth;
} req;
struct {
uint32_t depth;
} resp;
} body;
} bcm2835_mbox_tag_depth;
#define BCM2835_MAILBOX_TAG_GET_PIXEL_ORDER 0x00040006
#define BCM2835_MAILBOX_TAG_TEST_PIXEL_ORDER 0x00044006
#define BCM2835_MAILBOX_TAG_SET_PIXEL_ORDER 0x00048006
#define BCM2835_MAILBOX_PIXEL_ORDER_BGR 0
#define BCM2835_MAILBOX_PIXEL_ORDER_RGB 1
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t pixel_order;
} req;
struct {
uint32_t pixel_order;
} resp;
} body;
} bcm2835_mbox_tag_pixel_order;
#define BCM2835_MAILBOX_TAG_GET_ALPHA_MODE 0x00040007
#define BCM2835_MAILBOX_TAG_TEST_ALPHA_MODE 0x00044007
#define BCM2835_MAILBOX_TAG_SET_ALPHA_MODE 0x00048007
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t alpha_mode;
} req;
struct {
uint32_t alpha_mode;
} resp;
} body;
} bcm2835_mbox_tag_alpha_mode;
#define BCM2835_MAILBOX_ALPHA_MODE_0_OPAQUE 0
#define BCM2835_MAILBOX_ALPHA_MODE_0_TRANSPARENT 1
#define BCM2835_MAILBOX_ALPHA_MODE_IGNORED 2
#define BCM2835_MAILBOX_TAG_GET_PITCH 0x00040008
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
} req;
struct {
uint32_t pitch;
} resp;
} body;
} bcm2835_mbox_tag_get_pitch;
#define BCM2835_MAILBOX_TAG_GET_VIRTUAL_OFFSET 0x00040009
#define BCM2835_MAILBOX_TAG_TEST_VIRTUAL_OFFSET 0x00044009
#define BCM2835_MAILBOX_TAG_SET_VIRTUAL_OFFSET 0x00048009
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t voffset_x;
uint32_t voffset_y;
} req;
struct {
uint32_t voffset_x;
uint32_t voffset_y;
} resp;
} body;
} bcm2835_mbox_tag_virtual_offset;
#define BCM2835_MAILBOX_TAG_GET_OVERSCAN 0x0004000a
#define BCM2835_MAILBOX_TAG_TEST_OVERSCAN 0x0004400a
#define BCM2835_MAILBOX_TAG_SET_OVERSCAN 0x0004800a
typedef struct {
bcm2835_mbox_tag_hdr tag_hdr;
union {
struct {
uint32_t overscan_top;
uint32_t overscan_bottom;
uint32_t overscan_left;
uint32_t overscan_right;
} req;
struct {
uint32_t overscan_top;
uint32_t overscan_bottom;
uint32_t overscan_left;
uint32_t overscan_right;
} resp;
} body;
} bcm2835_mbox_tag_overscan;
#define BCM2835_MAILBOX_TAG_GET_PALETTE 0x0004000b
#define BCM2835_MAILBOX_TAG_TEST_PALETTE 0x0004400b
#define BCM2835_MAILBOX_TAG_SET_PALETTE 0x0004800b
#define BCM2835_MAILBOX_TAG_SET_CURSOR_INFO 0x00008011
#define BCM2835_MAILBOX_TAG_SET_CURSOR_STATE 0x00008010
/** @} */
/** @} */
#endif /* LIBBSP_ARM_RASPBERRYPI_VC_DEFINES_H */
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