1 /* 2 * Copyright © 2015 Broadcom 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 */ 8 9 #ifndef __SOC_RASPBERRY_FIRMWARE_H__ 10 #define __SOC_RASPBERRY_FIRMWARE_H__ 11 12 #include <linux/types.h> 13 #include <linux/of_device.h> 14 15 struct rpi_firmware; 16 17 enum rpi_firmware_property_status { 18 RPI_FIRMWARE_STATUS_REQUEST = 0, 19 RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000, 20 RPI_FIRMWARE_STATUS_ERROR = 0x80000001, 21 }; 22 23 /** 24 * struct rpi_firmware_property_tag_header - Firmware property tag header 25 * @tag: One of enum_mbox_property_tag. 26 * @buf_size: The number of bytes in the value buffer following this 27 * struct. 28 * @req_resp_size: On submit, the length of the request (though it doesn't 29 * appear to be currently used by the firmware). On return, 30 * the length of the response (always 4 byte aligned), with 31 * the low bit set. 32 */ 33 struct rpi_firmware_property_tag_header { 34 u32 tag; 35 u32 buf_size; 36 u32 req_resp_size; 37 }; 38 39 enum rpi_firmware_property_tag { 40 RPI_FIRMWARE_PROPERTY_END = 0, 41 RPI_FIRMWARE_GET_FIRMWARE_REVISION = 0x00000001, 42 43 RPI_FIRMWARE_SET_CURSOR_INFO = 0x00008010, 44 RPI_FIRMWARE_SET_CURSOR_STATE = 0x00008011, 45 46 RPI_FIRMWARE_GET_BOARD_MODEL = 0x00010001, 47 RPI_FIRMWARE_GET_BOARD_REVISION = 0x00010002, 48 RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS = 0x00010003, 49 RPI_FIRMWARE_GET_BOARD_SERIAL = 0x00010004, 50 RPI_FIRMWARE_GET_ARM_MEMORY = 0x00010005, 51 RPI_FIRMWARE_GET_VC_MEMORY = 0x00010006, 52 RPI_FIRMWARE_GET_CLOCKS = 0x00010007, 53 RPI_FIRMWARE_GET_POWER_STATE = 0x00020001, 54 RPI_FIRMWARE_GET_TIMING = 0x00020002, 55 RPI_FIRMWARE_SET_POWER_STATE = 0x00028001, 56 RPI_FIRMWARE_GET_CLOCK_STATE = 0x00030001, 57 RPI_FIRMWARE_GET_CLOCK_RATE = 0x00030002, 58 RPI_FIRMWARE_GET_VOLTAGE = 0x00030003, 59 RPI_FIRMWARE_GET_MAX_CLOCK_RATE = 0x00030004, 60 RPI_FIRMWARE_GET_MAX_VOLTAGE = 0x00030005, 61 RPI_FIRMWARE_GET_TEMPERATURE = 0x00030006, 62 RPI_FIRMWARE_GET_MIN_CLOCK_RATE = 0x00030007, 63 RPI_FIRMWARE_GET_MIN_VOLTAGE = 0x00030008, 64 RPI_FIRMWARE_GET_TURBO = 0x00030009, 65 RPI_FIRMWARE_GET_MAX_TEMPERATURE = 0x0003000a, 66 RPI_FIRMWARE_ALLOCATE_MEMORY = 0x0003000c, 67 RPI_FIRMWARE_LOCK_MEMORY = 0x0003000d, 68 RPI_FIRMWARE_UNLOCK_MEMORY = 0x0003000e, 69 RPI_FIRMWARE_RELEASE_MEMORY = 0x0003000f, 70 RPI_FIRMWARE_EXECUTE_CODE = 0x00030010, 71 RPI_FIRMWARE_EXECUTE_QPU = 0x00030011, 72 RPI_FIRMWARE_SET_ENABLE_QPU = 0x00030012, 73 RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE = 0x00030014, 74 RPI_FIRMWARE_GET_EDID_BLOCK = 0x00030020, 75 RPI_FIRMWARE_GET_DOMAIN_STATE = 0x00030030, 76 RPI_FIRMWARE_SET_CLOCK_STATE = 0x00038001, 77 RPI_FIRMWARE_SET_CLOCK_RATE = 0x00038002, 78 RPI_FIRMWARE_SET_VOLTAGE = 0x00038003, 79 RPI_FIRMWARE_SET_TURBO = 0x00038009, 80 RPI_FIRMWARE_SET_DOMAIN_STATE = 0x00038030, 81 82 /* Dispmanx TAGS */ 83 RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE = 0x00040001, 84 RPI_FIRMWARE_FRAMEBUFFER_BLANK = 0x00040002, 85 RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT = 0x00040003, 86 RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT = 0x00040004, 87 RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH = 0x00040005, 88 RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER = 0x00040006, 89 RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE = 0x00040007, 90 RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH = 0x00040008, 91 RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET = 0x00040009, 92 RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN = 0x0004000a, 93 RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE = 0x0004000b, 94 RPI_FIRMWARE_FRAMEBUFFER_RELEASE = 0x00048001, 95 RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003, 96 RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT = 0x00044004, 97 RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH = 0x00044005, 98 RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER = 0x00044006, 99 RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE = 0x00044007, 100 RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET = 0x00044009, 101 RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN = 0x0004400a, 102 RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE = 0x0004400b, 103 RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT = 0x00048003, 104 RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT = 0x00048004, 105 RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH = 0x00048005, 106 RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER = 0x00048006, 107 RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE = 0x00048007, 108 RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET = 0x00048009, 109 RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN = 0x0004800a, 110 RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE = 0x0004800b, 111 112 RPI_FIRMWARE_VCHIQ_INIT = 0x00048010, 113 114 RPI_FIRMWARE_GET_COMMAND_LINE = 0x00050001, 115 RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001, 116 }; 117 118 #if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE) 119 int rpi_firmware_property(struct rpi_firmware *fw, 120 u32 tag, void *data, size_t len); 121 int rpi_firmware_property_list(struct rpi_firmware *fw, 122 void *data, size_t tag_size); 123 struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node); 124 #else 125 static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag, 126 void *data, size_t len) 127 { 128 return 0; 129 } 130 131 static inline int rpi_firmware_property_list(struct rpi_firmware *fw, 132 void *data, size_t tag_size) 133 { 134 return 0; 135 } 136 137 static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node) 138 { 139 return NULL; 140 } 141 #endif 142 143 #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */ 144