mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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e7d0b02395
BCM2712 has an extra clock exposed by the firmware called DISP, and used by (at least) the HVS. Let's add it to the list of clocks to register in Linux. Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Link: https://lore.kernel.org/r/20250116-bcm2712-clk-updates-v1-5-10bc92ffbf41@raspberrypi.com Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
227 lines
9.4 KiB
C
227 lines
9.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright © 2015 Broadcom
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*/
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#ifndef __SOC_RASPBERRY_FIRMWARE_H__
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#define __SOC_RASPBERRY_FIRMWARE_H__
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#include <linux/types.h>
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#include <linux/of_device.h>
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struct rpi_firmware;
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enum rpi_firmware_property_status {
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RPI_FIRMWARE_STATUS_REQUEST = 0,
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RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000,
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RPI_FIRMWARE_STATUS_ERROR = 0x80000001,
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};
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/**
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* struct rpi_firmware_property_tag_header - Firmware property tag header
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* @tag: One of enum_mbox_property_tag.
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* @buf_size: The number of bytes in the value buffer following this
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* struct.
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* @req_resp_size: On submit, the length of the request (though it doesn't
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* appear to be currently used by the firmware). On return,
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* the length of the response (always 4 byte aligned), with
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* the low bit set.
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*/
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struct rpi_firmware_property_tag_header {
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u32 tag;
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u32 buf_size;
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u32 req_resp_size;
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};
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enum rpi_firmware_property_tag {
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RPI_FIRMWARE_PROPERTY_END = 0,
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RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001,
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RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010,
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RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011,
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RPI_FIRMWARE_GET_BOARD_MODEL = 0x00010001,
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RPI_FIRMWARE_GET_BOARD_REVISION = 0x00010002,
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RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS = 0x00010003,
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RPI_FIRMWARE_GET_BOARD_SERIAL = 0x00010004,
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RPI_FIRMWARE_GET_ARM_MEMORY = 0x00010005,
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RPI_FIRMWARE_GET_VC_MEMORY = 0x00010006,
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RPI_FIRMWARE_GET_CLOCKS = 0x00010007,
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RPI_FIRMWARE_GET_POWER_STATE = 0x00020001,
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RPI_FIRMWARE_GET_TIMING = 0x00020002,
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RPI_FIRMWARE_SET_POWER_STATE = 0x00028001,
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RPI_FIRMWARE_GET_CLOCK_STATE = 0x00030001,
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RPI_FIRMWARE_GET_CLOCK_RATE = 0x00030002,
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RPI_FIRMWARE_GET_VOLTAGE = 0x00030003,
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RPI_FIRMWARE_GET_MAX_CLOCK_RATE = 0x00030004,
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RPI_FIRMWARE_GET_MAX_VOLTAGE = 0x00030005,
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RPI_FIRMWARE_GET_TEMPERATURE = 0x00030006,
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RPI_FIRMWARE_GET_MIN_CLOCK_RATE = 0x00030007,
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RPI_FIRMWARE_GET_MIN_VOLTAGE = 0x00030008,
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RPI_FIRMWARE_GET_TURBO = 0x00030009,
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RPI_FIRMWARE_GET_MAX_TEMPERATURE = 0x0003000a,
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RPI_FIRMWARE_GET_STC = 0x0003000b,
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RPI_FIRMWARE_ALLOCATE_MEMORY = 0x0003000c,
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RPI_FIRMWARE_LOCK_MEMORY = 0x0003000d,
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RPI_FIRMWARE_UNLOCK_MEMORY = 0x0003000e,
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RPI_FIRMWARE_RELEASE_MEMORY = 0x0003000f,
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RPI_FIRMWARE_EXECUTE_CODE = 0x00030010,
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RPI_FIRMWARE_EXECUTE_QPU = 0x00030011,
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RPI_FIRMWARE_SET_ENABLE_QPU = 0x00030012,
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RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE = 0x00030014,
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RPI_FIRMWARE_GET_EDID_BLOCK = 0x00030020,
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RPI_FIRMWARE_GET_CUSTOMER_OTP = 0x00030021,
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RPI_FIRMWARE_GET_DOMAIN_STATE = 0x00030030,
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RPI_FIRMWARE_GET_THROTTLED = 0x00030046,
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RPI_FIRMWARE_GET_CLOCK_MEASURED = 0x00030047,
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RPI_FIRMWARE_NOTIFY_REBOOT = 0x00030048,
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RPI_FIRMWARE_SET_CLOCK_STATE = 0x00038001,
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RPI_FIRMWARE_SET_CLOCK_RATE = 0x00038002,
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RPI_FIRMWARE_SET_VOLTAGE = 0x00038003,
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RPI_FIRMWARE_SET_TURBO = 0x00038009,
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RPI_FIRMWARE_SET_CUSTOMER_OTP = 0x00038021,
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RPI_FIRMWARE_SET_DOMAIN_STATE = 0x00038030,
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RPI_FIRMWARE_GET_GPIO_STATE = 0x00030041,
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RPI_FIRMWARE_SET_GPIO_STATE = 0x00038041,
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RPI_FIRMWARE_SET_SDHOST_CLOCK = 0x00038042,
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RPI_FIRMWARE_GET_GPIO_CONFIG = 0x00030043,
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RPI_FIRMWARE_SET_GPIO_CONFIG = 0x00038043,
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RPI_FIRMWARE_GET_PERIPH_REG = 0x00030045,
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RPI_FIRMWARE_SET_PERIPH_REG = 0x00038045,
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RPI_FIRMWARE_GET_POE_HAT_VAL = 0x00030049,
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RPI_FIRMWARE_SET_POE_HAT_VAL = 0x00030050,
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RPI_FIRMWARE_NOTIFY_XHCI_RESET = 0x00030058,
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RPI_FIRMWARE_NOTIFY_DISPLAY_DONE = 0x00030066,
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/* Dispmanx TAGS */
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RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001,
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RPI_FIRMWARE_FRAMEBUFFER_BLANK = 0x00040002,
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RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003,
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RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004,
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RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH = 0x00040005,
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RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER = 0x00040006,
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RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE = 0x00040007,
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RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH = 0x00040008,
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RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET = 0x00040009,
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RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN = 0x0004000a,
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RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE = 0x0004000b,
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RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF = 0x0004000f,
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RPI_FIRMWARE_FRAMEBUFFER_GET_GPIOVIRTBUF = 0x00040010,
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RPI_FIRMWARE_FRAMEBUFFER_RELEASE = 0x00048001,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT = 0x00044004,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH = 0x00044005,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER = 0x00044006,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE = 0x00044007,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET = 0x00044009,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN = 0x0004400a,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE = 0x0004400b,
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RPI_FIRMWARE_FRAMEBUFFER_TEST_VSYNC = 0x0004400e,
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RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003,
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RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004,
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RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005,
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RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006,
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RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007,
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RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009,
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RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a,
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RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b,
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RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF = 0x0004801f,
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RPI_FIRMWARE_FRAMEBUFFER_SET_GPIOVIRTBUF = 0x00048020,
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RPI_FIRMWARE_FRAMEBUFFER_SET_VSYNC = 0x0004800e,
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RPI_FIRMWARE_FRAMEBUFFER_SET_BACKLIGHT = 0x0004800f,
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RPI_FIRMWARE_VCHIQ_INIT = 0x00048010,
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RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001,
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RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
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};
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enum rpi_firmware_clk_id {
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RPI_FIRMWARE_EMMC_CLK_ID = 1,
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RPI_FIRMWARE_UART_CLK_ID,
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RPI_FIRMWARE_ARM_CLK_ID,
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RPI_FIRMWARE_CORE_CLK_ID,
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RPI_FIRMWARE_V3D_CLK_ID,
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RPI_FIRMWARE_H264_CLK_ID,
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RPI_FIRMWARE_ISP_CLK_ID,
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RPI_FIRMWARE_SDRAM_CLK_ID,
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RPI_FIRMWARE_PIXEL_CLK_ID,
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RPI_FIRMWARE_PWM_CLK_ID,
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RPI_FIRMWARE_HEVC_CLK_ID,
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RPI_FIRMWARE_EMMC2_CLK_ID,
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RPI_FIRMWARE_M2MC_CLK_ID,
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RPI_FIRMWARE_PIXEL_BVB_CLK_ID,
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RPI_FIRMWARE_VEC_CLK_ID,
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RPI_FIRMWARE_DISP_CLK_ID,
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RPI_FIRMWARE_NUM_CLK_ID,
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};
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/**
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* struct rpi_firmware_clk_rate_request - Firmware Request for a rate
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* @id: ID of the clock being queried
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* @rate: Rate in Hertz. Set by the firmware.
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*
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* Used by @RPI_FIRMWARE_GET_CLOCK_RATE, @RPI_FIRMWARE_GET_CLOCK_MEASURED,
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* @RPI_FIRMWARE_GET_MAX_CLOCK_RATE and @RPI_FIRMWARE_GET_MIN_CLOCK_RATE.
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*/
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struct rpi_firmware_clk_rate_request {
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__le32 id;
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__le32 rate;
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} __packed;
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#define RPI_FIRMWARE_CLK_RATE_REQUEST(_id) \
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{ \
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.id = cpu_to_le32(_id), \
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}
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#if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE)
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int rpi_firmware_property(struct rpi_firmware *fw,
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u32 tag, void *data, size_t len);
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int rpi_firmware_property_list(struct rpi_firmware *fw,
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void *data, size_t tag_size);
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void rpi_firmware_put(struct rpi_firmware *fw);
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unsigned int rpi_firmware_clk_get_max_rate(struct rpi_firmware *fw,
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unsigned int id);
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struct device_node *rpi_firmware_find_node(void);
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struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
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struct rpi_firmware *devm_rpi_firmware_get(struct device *dev,
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struct device_node *firmware_node);
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#else
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static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
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void *data, size_t len)
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{
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return -ENOSYS;
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}
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static inline int rpi_firmware_property_list(struct rpi_firmware *fw,
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void *data, size_t tag_size)
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{
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return -ENOSYS;
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}
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static inline void rpi_firmware_put(struct rpi_firmware *fw) { }
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static inline unsigned int rpi_firmware_clk_get_max_rate(struct rpi_firmware *fw,
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unsigned int id)
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{
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return UINT_MAX;
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}
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static inline struct device_node *rpi_firmware_find_node(void)
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{
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return NULL;
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}
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static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
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{
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return NULL;
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}
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static inline struct rpi_firmware *devm_rpi_firmware_get(struct device *dev,
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struct device_node *firmware_node)
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{
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return NULL;
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}
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#endif
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#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */
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