kernel/include/soc/bcm2835/raspberrypi-firmware.h

   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_SET_CLOCK_STATE =                        0x00038001,
  76         RPI_FIRMWARE_SET_CLOCK_RATE =                         0x00038002,
  77         RPI_FIRMWARE_SET_VOLTAGE =                            0x00038003,
  78         RPI_FIRMWARE_SET_TURBO =                              0x00038009,
  79
  80         /* Dispmanx TAGS */
  81         RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE =                   0x00040001,
  82         RPI_FIRMWARE_FRAMEBUFFER_BLANK =                      0x00040002,
  83         RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT =  0x00040003,
  84         RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT =   0x00040004,
  85         RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH =                  0x00040005,
  86         RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER =            0x00040006,
  87         RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE =             0x00040007,
  88         RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH =                  0x00040008,
  89         RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET =         0x00040009,
  90         RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN =               0x0004000a,
  91         RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE =                0x0004000b,
  92         RPI_FIRMWARE_FRAMEBUFFER_RELEASE =                    0x00048001,
  93         RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
  94         RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT =  0x00044004,
  95         RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH =                 0x00044005,
  96         RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER =           0x00044006,
  97         RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE =            0x00044007,
  98         RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET =        0x00044009,
  99         RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN =              0x0004400a,
 100         RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE =               0x0004400b,
 101         RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT =  0x00048003,
 102         RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT =   0x00048004,
 103         RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH =                  0x00048005,
 104         RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER =            0x00048006,
 105         RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE =             0x00048007,
 106         RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET =         0x00048009,
 107         RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN =               0x0004800a,
 108         RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE =                0x0004800b,
 109
 110         RPI_FIRMWARE_GET_COMMAND_LINE =                       0x00050001,
 111         RPI_FIRMWARE_GET_DMA_CHANNELS =                       0x00060001,
 112 };
 113
 114 int rpi_firmware_property(struct rpi_firmware *fw,
 115                           u32 tag, void *data, size_t len);
 116 int rpi_firmware_property_list(struct rpi_firmware *fw,
 117                                void *data, size_t tag_size);
 118 struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
 119
 120 #endif /* __SOC_RASPBERRY_FIRMWARE_H__ */