1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright © 2015 Broadcom 4 */ 5 6 #ifndef __SOC_RASPBERRY_FIRMWARE_H__ 7 #define __SOC_RASPBERRY_FIRMWARE_H__ 8 9 #include <linux/types.h> 10 #include <linux/of_device.h> 11 12 struct rpi_firmware; 13 struct pci_dev; 14 15 enum rpi_firmware_property_status { 16 RPI_FIRMWARE_STATUS_REQUEST = 0, 17 RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000, 18 RPI_FIRMWARE_STATUS_ERROR = 0x80000001, 19 }; 20 21 /** 22 * struct rpi_firmware_property_tag_header - Firmware property tag header 23 * @tag: One of enum_mbox_property_tag. 24 * @buf_size: The number of bytes in the value buffer following this 25 * struct. 26 * @req_resp_size: On submit, the length of the request (though it doesn't 27 * appear to be currently used by the firmware). On return, 28 * the length of the response (always 4 byte aligned), with 29 * the low bit set. 30 */ 31 struct rpi_firmware_property_tag_header { 32 u32 tag; 33 u32 buf_size; 34 u32 req_resp_size; 35 }; 36 37 enum rpi_firmware_property_tag { 38 RPI_FIRMWARE_PROPERTY_END = 0, 39 RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001, 40 41 RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010, 42 RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011, 43 44 RPI_FIRMWARE_GET_BOARD_MODEL = 0x00010001, 45 RPI_FIRMWARE_GET_BOARD_REVISION = 0x00010002, 46 RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS = 0x00010003, 47 RPI_FIRMWARE_GET_BOARD_SERIAL = 0x00010004, 48 RPI_FIRMWARE_GET_ARM_MEMORY = 0x00010005, 49 RPI_FIRMWARE_GET_VC_MEMORY = 0x00010006, 50 RPI_FIRMWARE_GET_CLOCKS = 0x00010007, 51 RPI_FIRMWARE_GET_POWER_STATE = 0x00020001, 52 RPI_FIRMWARE_GET_TIMING = 0x00020002, 53 RPI_FIRMWARE_SET_POWER_STATE = 0x00028001, 54 RPI_FIRMWARE_GET_CLOCK_STATE = 0x00030001, 55 RPI_FIRMWARE_GET_CLOCK_RATE = 0x00030002, 56 RPI_FIRMWARE_GET_VOLTAGE = 0x00030003, 57 RPI_FIRMWARE_GET_MAX_CLOCK_RATE = 0x00030004, 58 RPI_FIRMWARE_GET_MAX_VOLTAGE = 0x00030005, 59 RPI_FIRMWARE_GET_TEMPERATURE = 0x00030006, 60 RPI_FIRMWARE_GET_MIN_CLOCK_RATE = 0x00030007, 61 RPI_FIRMWARE_GET_MIN_VOLTAGE = 0x00030008, 62 RPI_FIRMWARE_GET_TURBO = 0x00030009, 63 RPI_FIRMWARE_GET_MAX_TEMPERATURE = 0x0003000a, 64 RPI_FIRMWARE_GET_STC = 0x0003000b, 65 RPI_FIRMWARE_ALLOCATE_MEMORY = 0x0003000c, 66 RPI_FIRMWARE_LOCK_MEMORY = 0x0003000d, 67 RPI_FIRMWARE_UNLOCK_MEMORY = 0x0003000e, 68 RPI_FIRMWARE_RELEASE_MEMORY = 0x0003000f, 69 RPI_FIRMWARE_EXECUTE_CODE = 0x00030010, 70 RPI_FIRMWARE_EXECUTE_QPU = 0x00030011, 71 RPI_FIRMWARE_SET_ENABLE_QPU = 0x00030012, 72 RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE = 0x00030014, 73 RPI_FIRMWARE_GET_EDID_BLOCK = 0x00030020, 74 RPI_FIRMWARE_GET_CUSTOMER_OTP = 0x00030021, 75 RPI_FIRMWARE_GET_DOMAIN_STATE = 0x00030030, 76 RPI_FIRMWARE_GET_THROTTLED = 0x00030046, 77 RPI_FIRMWARE_GET_CLOCK_MEASURED = 0x00030047, 78 RPI_FIRMWARE_NOTIFY_REBOOT = 0x00030048, 79 RPI_FIRMWARE_SET_CLOCK_STATE = 0x00038001, 80 RPI_FIRMWARE_SET_CLOCK_RATE = 0x00038002, 81 RPI_FIRMWARE_SET_VOLTAGE = 0x00038003, 82 RPI_FIRMWARE_SET_TURBO = 0x00038009, 83 RPI_FIRMWARE_SET_CUSTOMER_OTP = 0x00038021, 84 RPI_FIRMWARE_SET_DOMAIN_STATE = 0x00038030, 85 RPI_FIRMWARE_GET_GPIO_STATE = 0x00030041, 86 RPI_FIRMWARE_SET_GPIO_STATE = 0x00038041, 87 RPI_FIRMWARE_SET_SDHOST_CLOCK = 0x00038042, 88 RPI_FIRMWARE_GET_GPIO_CONFIG = 0x00030043, 89 RPI_FIRMWARE_SET_GPIO_CONFIG = 0x00038043, 90 RPI_FIRMWARE_GET_PERIPH_REG = 0x00030045, 91 RPI_FIRMWARE_SET_PERIPH_REG = 0x00038045, 92 RPI_FIRMWARE_GET_POE_HAT_VAL = 0x00030049, 93 RPI_FIRMWARE_SET_POE_HAT_VAL = 0x00030050, 94 RPI_FIRMWARE_NOTIFY_XHCI_RESET = 0x00030058, 95 96 /* Dispmanx TAGS */ 97 RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001, 98 RPI_FIRMWARE_FRAMEBUFFER_BLANK = 0x00040002, 99 RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003, 100 RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004, 101 RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH = 0x00040005, 102 RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER = 0x00040006, 103 RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE = 0x00040007, 104 RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH = 0x00040008, 105 RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET = 0x00040009, 106 RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN = 0x0004000a, 107 RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE = 0x0004000b, 108 RPI_FIRMWARE_FRAMEBUFFER_GET_TOUCHBUF = 0x0004000f, 109 RPI_FIRMWARE_FRAMEBUFFER_GET_GPIOVIRTBUF = 0x00040010, 110 RPI_FIRMWARE_FRAMEBUFFER_RELEASE = 0x00048001, 111 RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003, 112 RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT = 0x00044004, 113 RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH = 0x00044005, 114 RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER = 0x00044006, 115 RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE = 0x00044007, 116 RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET = 0x00044009, 117 RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN = 0x0004400a, 118 RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE = 0x0004400b, 119 RPI_FIRMWARE_FRAMEBUFFER_TEST_VSYNC = 0x0004400e, 120 RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003, 121 RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004, 122 RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005, 123 RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006, 124 RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007, 125 RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009, 126 RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a, 127 RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b, 128 RPI_FIRMWARE_FRAMEBUFFER_SET_TOUCHBUF = 0x0004801f, 129 RPI_FIRMWARE_FRAMEBUFFER_SET_GPIOVIRTBUF = 0x00048020, 130 RPI_FIRMWARE_FRAMEBUFFER_SET_VSYNC = 0x0004800e, 131 RPI_FIRMWARE_FRAMEBUFFER_SET_BACKLIGHT = 0x0004800f, 132 133 RPI_FIRMWARE_VCHIQ_INIT = 0x00048010, 134 135 RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001, 136 RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001, 137 }; 138 139 #if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE) 140 int rpi_firmware_property(struct rpi_firmware *fw, 141 u32 tag, void *data, size_t len); 142 int rpi_firmware_property_list(struct rpi_firmware *fw, 143 void *data, size_t tag_size); 144 struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node); 145 int rpi_firmware_init_vl805(struct pci_dev *pdev); 146 #else 147 static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag, 148 void *data, size_t len) 149 { 150 return -ENOSYS; 151 } 152 153 static inline int rpi_firmware_property_list(struct rpi_firmware *fw, 154 void *data, size_t tag_size) 155 { 156 return -ENOSYS; 157 } 158 159 static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node) 160 { 161 return NULL; 162 } 163 164 static inline int rpi_firmware_init_vl805(struct pci_dev *pdev) 165 { 166 return 0; 167 } 168 #endif 169 170 #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */ 171