blob: 422d28cdd9a7b339cbc3bc5c8e1c121802eafe96 (
plain) (
tree)
|
|
/**
* @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_H
#define LIBBSP_ARM_RASPBERRYPI_VC_H
/**
* @defgroup raspberrypi_vc Register Definitions
*
* @ingroup RTEMSBSPsARMRaspberryPi
*
* @brief Register Definitions
*
* @{
*/
typedef struct {
uint32_t width;
uint32_t height;
} bcm2835_get_display_size_entries;
int bcm2835_mailbox_get_display_size(
bcm2835_get_display_size_entries *_entries );
typedef enum {
bcm2835_mailbox_pixel_order_bgr = 0,
bcm2835_mailbox_pixel_order_rgb = 1
} bcm2835_pixel_order;
typedef enum {
bcm2835_mailbox_alpha_mode_0_opaque = 0,
bcm2835_mailbox_alpha_mode_0_transparent = 1,
bcm2835_mailbox_alpha_mode_ignored = 2
} bcm2835_alpha_mode;
typedef struct {
uint32_t xres;
uint32_t yres;
uint32_t xvirt;
uint32_t yvirt;
uint32_t depth;
bcm2835_pixel_order pixel_order;
bcm2835_alpha_mode alpha_mode;
uint32_t voffset_x;
uint32_t voffset_y;
uint32_t overscan_left;
uint32_t overscan_right;
uint32_t overscan_top;
uint32_t overscan_bottom;
uint32_t base;
size_t size;
uint32_t pitch;
} bcm2835_init_frame_buffer_entries;
int bcm2835_mailbox_init_frame_buffer(
bcm2835_init_frame_buffer_entries *_entries );
typedef struct {
uint32_t pitch;
} bcm2835_get_pitch_entries;
int bcm2835_mailbox_get_pitch( bcm2835_get_pitch_entries *_entries );
typedef struct {
char cmdline[ 1024 ];
} bcm2835_get_cmdline_entries;
int bcm2835_mailbox_get_cmdline( bcm2835_get_cmdline_entries *_entries );
typedef enum {
bcm2835_mailbox_power_udid_sd_card = 0x00000000u,
bcm2835_mailbox_power_udid_uart0 = 0x00000001u,
bcm2835_mailbox_power_udid_uart1 = 0x00000002u,
bcm2835_mailbox_power_udid_usb_hcd = 0x00000003u,
bcm2835_mailbox_power_udid_i2c0 = 0x00000004u,
bcm2835_mailbox_power_udid_i2c1 = 0x00000005u,
bcm2835_mailbox_power_udid_i2c2 = 0x00000006u,
bcm2835_mailbox_power_udid_spi = 0x00000007u,
bcm2835_mailbox_power_udid_ccp2tx = 0x00000008u,
} bcm2835_power_device_id;
typedef struct {
bcm2835_power_device_id dev_id;
uint32_t state;
} bcm2835_set_power_state_entries;
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_ON ( 1 << 0 )
#define BCM2835_MAILBOX_SET_POWER_STATE_REQ_WAIT ( 1 << 1 )
#define BCM2835_MAILBOX_POWER_STATE_ON ( 1 << 0 )
#define BCM2835_MAILBOX_POWER_STATE_NODEV ( 1 << 1 )
int bcm2835_mailbox_set_power_state( bcm2835_set_power_state_entries *_entries );
int bcm2835_mailbox_get_power_state( bcm2835_set_power_state_entries *_entries );
typedef struct {
uint32_t base;
size_t size;
} bcm2835_get_arm_memory_entries;
int bcm2835_mailbox_get_arm_memory( bcm2835_get_arm_memory_entries *_entries );
typedef struct {
uint32_t base;
size_t size;
} bcm2835_get_vc_memory_entries;
int bcm2835_mailbox_get_vc_memory( bcm2835_get_vc_memory_entries *_entries );
typedef struct {
uint32_t fw_rev;
} bcm2835_mailbox_get_fw_rev_entries;
int bcm2835_mailbox_get_firmware_revision(
bcm2835_mailbox_get_fw_rev_entries *_entries );
typedef struct {
uint32_t spec;
} bcm2835_get_board_spec_entries;
int bcm2835_mailbox_get_board_model( bcm2835_get_board_spec_entries *_entries );
int bcm2835_mailbox_get_board_revision(
bcm2835_get_board_spec_entries *_entries );
/*
* See the official documentation for the format of the revision codes:
* https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md
*/
#define BCM2835_REVISION_IS_NEW_STYLE(revision) ((revision & (1 << 23)) != 0)
#define BCM2835_REVISION_MEMORY_SIZE(revision) ((revision >> 20) & 0x7)
#define BCM2835_REVISION_MANUFACTURER(revision) ((revision >> 16) & 0xf)
#define BCM2835_REVISION_PROCESSOR(revision) ((revision >> 12) & 0xf)
#define BCM2835_REVISION_TYPE(revision) ((revision >> 4) & 0xff)
#define BCM2835_REVISION_REVISION(revision) ((revision >> 0) & 0xf)
typedef struct {
uint64_t board_serial;
} bcm2835_get_board_serial_entries;
int bcm2835_mailbox_get_board_serial(
bcm2835_get_board_serial_entries *_entries );
typedef struct {
uint32_t clock_id;
uint32_t clock_rate;
} bcm2835_get_clock_rate_entries;
int bcm2835_mailbox_get_clock_rate(
bcm2835_get_clock_rate_entries *_entries );
/** @} */
#endif /* LIBBSP_ARM_RASPBERRYPI_VC_H */
|