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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright © 2015 Broadcom
*/
#ifndef __SOC_RASPBERRY_FIRMWARE_H__
#define __SOC_RASPBERRY_FIRMWARE_H__
#include <linux/types.h>
#include <linux/of_device.h>
struct rpi_firmware;
enum rpi_firmware_property_status {
RPI_FIRMWARE_STATUS_REQUEST = 0,
RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000,
RPI_FIRMWARE_STATUS_ERROR = 0x80000001,
};
/**
* struct rpi_firmware_property_tag_header - Firmware property tag header
* @tag: One of enum_mbox_property_tag.
* @buf_size: The number of bytes in the value buffer following this
* struct.
* @req_resp_size: On submit, the length of the request (though it doesn't
* appear to be currently used by the firmware). On return,
* the length of the response (always 4 byte aligned), with
* the low bit set.
*/
struct rpi_firmware_property_tag_header {
u32 tag;
u32 buf_size;
u32 req_resp_size;
};
enum rpi_firmware_property_tag {
RPI_FIRMWARE_PROPERTY_END = 0,
RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001,
RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010,
RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011,
RPI_FIRMWARE_GET_BOARD_MODEL = 0x00010001,
RPI_FIRMWARE_GET_BOARD_REVISION = 0x00010002,
RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS = 0x00010003,
RPI_FIRMWARE_GET_BOARD_SERIAL = 0x00010004,
RPI_FIRMWARE_GET_ARM_MEMORY = 0x00010005,
RPI_FIRMWARE_GET_VC_MEMORY = 0x00010006,
RPI_FIRMWARE_GET_CLOCKS = 0x00010007,
RPI_FIRMWARE_GET_POWER_STATE = 0x00020001,
RPI_FIRMWARE_GET_TIMING = 0x00020002,
RPI_FIRMWARE_SET_POWER_STATE = 0x00028001,
RPI_FIRMWARE_GET_CLOCK_STATE = 0x00030001,
RPI_FIRMWARE_GET_CLOCK_RATE = 0x00030002,
RPI_FIRMWARE_GET_VOLTAGE = 0x00030003,
RPI_FIRMWARE_GET_MAX_CLOCK_RATE = 0x00030004,
RPI_FIRMWARE_GET_MAX_VOLTAGE = 0x00030005,
RPI_FIRMWARE_GET_TEMPERATURE = 0x00030006,
RPI_FIRMWARE_GET_MIN_CLOCK_RATE = 0x00030007,
RPI_FIRMWARE_GET_MIN_VOLTAGE = 0x00030008,
RPI_FIRMWARE_GET_TURBO = 0x00030009,
RPI_FIRMWARE_GET_MAX_TEMPERATURE = 0x0003000a,
RPI_FIRMWARE_GET_STC = 0x0003000b,
RPI_FIRMWARE_ALLOCATE_MEMORY = 0x0003000c,
RPI_FIRMWARE_LOCK_MEMORY = 0x0003000d,
RPI_FIRMWARE_UNLOCK_MEMORY = 0x0003000e,
RPI_FIRMWARE_RELEASE_MEMORY = 0x0003000f,
RPI_FIRMWARE_EXECUTE_CODE = 0x00030010,
RPI_FIRMWARE_EXECUTE_QPU = 0x00030011,
RPI_FIRMWARE_SET_ENABLE_QPU = 0x00030012,
RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE = 0x00030014,
RPI_FIRMWARE_GET_EDID_BLOCK = 0x00030020,
RPI_FIRMWARE_GET_CUSTOMER_OTP = 0x00030021,
RPI_FIRMWARE_GET_DOMAIN_STATE = 0x00030030,
RPI_FIRMWARE_GET_THROTTLED = 0x00030046,
RPI_FIRMWARE_SET_CLOCK_STATE = 0x00038001,
RPI_FIRMWARE_SET_CLOCK_RATE = 0x00038002,
RPI_FIRMWARE_SET_VOLTAGE = 0x00038003,
RPI_FIRMWARE_SET_TURBO = 0x00038009,
RPI_FIRMWARE_SET_CUSTOMER_OTP = 0x00038021,
RPI_FIRMWARE_SET_DOMAIN_STATE = 0x00038030,
RPI_FIRMWARE_GET_GPIO_STATE = 0x00030041,
RPI_FIRMWARE_SET_GPIO_STATE = 0x00038041,
RPI_FIRMWARE_SET_SDHOST_CLOCK = 0x00038042,
RPI_FIRMWARE_GET_GPIO_CONFIG = 0x00030043,
RPI_FIRMWARE_SET_GPIO_CONFIG = 0x00038043,
RPI_FIRMWARE_GET_PERIPH_REG = 0x00030045,
RPI_FIRMWARE_SET_PERIPH_REG = 0x00038045,
/* Dispmanx TAGS */
RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001,
RPI_FIRMWARE_FRAMEBUFFER_BLANK = 0x00040002,
RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003,
RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004,
RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH = 0x00040005,
RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER = 0x00040006,
RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE = 0x00040007,
RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH = 0x00040008,
RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET = 0x00040009,
RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN = 0x0004000a,
RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE = 0x0004000b,
RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF = 0x0004000f,
RPI_FIRMWARE_FRAMEBUFFER_GET_GPIOVIRTBUF = 0x00040010,
RPI_FIRMWARE_FRAMEBUFFER_RELEASE = 0x00048001,
RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT = 0x00044004,
RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH = 0x00044005,
RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER = 0x00044006,
RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE = 0x00044007,
RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET = 0x00044009,
RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN = 0x0004400a,
RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE = 0x0004400b,
RPI_FIRMWARE_FRAMEBUFFER_TEST_VSYNC = 0x0004400e,
RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003,
RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004,
RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005,
RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006,
RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007,
RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009,
RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a,
RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b,
RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF = 0x0004801f,
RPI_FIRMWARE_FRAMEBUFFER_SET_GPIOVIRTBUF = 0x00048020,
RPI_FIRMWARE_FRAMEBUFFER_SET_VSYNC = 0x0004800e,
RPI_FIRMWARE_FRAMEBUFFER_SET_BACKLIGHT = 0x0004800f,
RPI_FIRMWARE_VCHIQ_INIT = 0x00048010,
RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001,
RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
};
#if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE)
int rpi_firmware_property(struct rpi_firmware *fw,
u32 tag, void *data, size_t len);
int rpi_firmware_property_list(struct rpi_firmware *fw,
void *data, size_t tag_size);
struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
#else
static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
void *data, size_t len)
{
return -ENOSYS;
}
static inline int rpi_firmware_property_list(struct rpi_firmware *fw,
void *data, size_t tag_size)
{
return -ENOSYS;
}
static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
{
return NULL;
}
#endif
#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */
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