linux/include/soc/bcm2835/raspberrypi-firmware.h
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   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
  15struct rpi_firmware;
  16
  17enum 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 */
  33struct rpi_firmware_property_tag_header {
  34        u32 tag;
  35        u32 buf_size;
  36        u32 req_resp_size;
  37};
  38
  39enum 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)
 119int rpi_firmware_property(struct rpi_firmware *fw,
 120                          u32 tag, void *data, size_t len);
 121int rpi_firmware_property_list(struct rpi_firmware *fw,
 122                               void *data, size_t tag_size);
 123struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
 124#else
 125static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
 126                                        void *data, size_t len)
 127{
 128        return 0;
 129}
 130
 131static inline int rpi_firmware_property_list(struct rpi_firmware *fw,
 132                                             void *data, size_t tag_size)
 133{
 134        return 0;
 135}
 136
 137static 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