aboutsummaryrefslogtreecommitdiff
path: root/include/soc/bcm2835/raspberrypi-firmware.h
blob: b86c4c367004ce576f64ad7bda1978b0232210fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
 *  Copyright © 2015 Broadcom
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __SOC_RASPBERRY_FIRMWARE_H__
#define __SOC_RASPBERRY_FIRMWARE_H__

#include <linux/types.h>
#include <linux/of_device.h>

struct rpi_firmware;

enum rpi_firmware_property_status {
	RPI_FIRMWARE_STATUS_REQUEST = 0,
	RPI_FIRMWARE_STATUS_SUCCESS = 0x80000000,
	RPI_FIRMWARE_STATUS_ERROR =   0x80000001,
};

/**
 * struct rpi_firmware_property_tag_header - Firmware property tag header
 * @tag:		One of enum_mbox_property_tag.
 * @buf_size:		The number of bytes in the value buffer following this
 *			struct.
 * @req_resp_size:	On submit, the length of the request (though it doesn't
 *			appear to be currently used by the firmware).  On return,
 *			the length of the response (always 4 byte aligned), with
 *			the low bit set.
 */
struct rpi_firmware_property_tag_header {
	u32 tag;
	u32 buf_size;
	u32 req_resp_size;
};

enum rpi_firmware_property_tag {
	RPI_FIRMWARE_PROPERTY_END =                           0,
	RPI_FIRMWARE_GET_FIRMWARE_REVISION =                  0x00000001,

	RPI_FIRMWARE_SET_CURSOR_INFO =                        0x00008010,
	RPI_FIRMWARE_SET_CURSOR_STATE =                       0x00008011,

	RPI_FIRMWARE_GET_BOARD_MODEL =                        0x00010001,
	RPI_FIRMWARE_GET_BOARD_REVISION =                     0x00010002,
	RPI_FIRMWARE_GET_BOARD_MAC_ADDRESS =                  0x00010003,
	RPI_FIRMWARE_GET_BOARD_SERIAL =                       0x00010004,
	RPI_FIRMWARE_GET_ARM_MEMORY =                         0x00010005,
	RPI_FIRMWARE_GET_VC_MEMORY =                          0x00010006,
	RPI_FIRMWARE_GET_CLOCKS =                             0x00010007,
	RPI_FIRMWARE_GET_POWER_STATE =                        0x00020001,
	RPI_FIRMWARE_GET_TIMING =                             0x00020002,
	RPI_FIRMWARE_SET_POWER_STATE =                        0x00028001,
	RPI_FIRMWARE_GET_CLOCK_STATE =                        0x00030001,
	RPI_FIRMWARE_GET_CLOCK_RATE =                         0x00030002,
	RPI_FIRMWARE_GET_VOLTAGE =                            0x00030003,
	RPI_FIRMWARE_GET_MAX_CLOCK_RATE =                     0x00030004,
	RPI_FIRMWARE_GET_MAX_VOLTAGE =                        0x00030005,
	RPI_FIRMWARE_GET_TEMPERATURE =                        0x00030006,
	RPI_FIRMWARE_GET_MIN_CLOCK_RATE =                     0x00030007,
	RPI_FIRMWARE_GET_MIN_VOLTAGE =                        0x00030008,
	RPI_FIRMWARE_GET_TURBO =                              0x00030009,
	RPI_FIRMWARE_GET_MAX_TEMPERATURE =                    0x0003000a,
	RPI_FIRMWARE_ALLOCATE_MEMORY =                        0x0003000c,
	RPI_FIRMWARE_LOCK_MEMORY =                            0x0003000d,
	RPI_FIRMWARE_UNLOCK_MEMORY =                          0x0003000e,
	RPI_FIRMWARE_RELEASE_MEMORY =                         0x0003000f,
	RPI_FIRMWARE_EXECUTE_CODE =                           0x00030010,
	RPI_FIRMWARE_EXECUTE_QPU =                            0x00030011,
	RPI_FIRMWARE_SET_ENABLE_QPU =                         0x00030012,
	RPI_FIRMWARE_GET_DISPMANX_RESOURCE_MEM_HANDLE =       0x00030014,
	RPI_FIRMWARE_GET_EDID_BLOCK =                         0x00030020,
	RPI_FIRMWARE_GET_DOMAIN_STATE =                       0x00030030,
	RPI_FIRMWARE_SET_CLOCK_STATE =                        0x00038001,
	RPI_FIRMWARE_SET_CLOCK_RATE =                         0x00038002,
	RPI_FIRMWARE_SET_VOLTAGE =                            0x00038003,
	RPI_FIRMWARE_SET_TURBO =                              0x00038009,
	RPI_FIRMWARE_SET_DOMAIN_STATE =                       0x00038030,

	/* Dispmanx TAGS */
	RPI_FIRMWARE_FRAMEBUFFER_ALLOCATE =                   0x00040001,
	RPI_FIRMWARE_FRAMEBUFFER_BLANK =                      0x00040002,
	RPI_FIRMWARE_FRAMEBUFFER_GET_PHYSICAL_WIDTH_HEIGHT =  0x00040003,
	RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_WIDTH_HEIGHT =   0x00040004,
	RPI_FIRMWARE_FRAMEBUFFER_GET_DEPTH =                  0x00040005,
	RPI_FIRMWARE_FRAMEBUFFER_GET_PIXEL_ORDER =            0x00040006,
	RPI_FIRMWARE_FRAMEBUFFER_GET_ALPHA_MODE =             0x00040007,
	RPI_FIRMWARE_FRAMEBUFFER_GET_PITCH =                  0x00040008,
	RPI_FIRMWARE_FRAMEBUFFER_GET_VIRTUAL_OFFSET =         0x00040009,
	RPI_FIRMWARE_FRAMEBUFFER_GET_OVERSCAN =               0x0004000a,
	RPI_FIRMWARE_FRAMEBUFFER_GET_PALETTE =                0x0004000b,
	RPI_FIRMWARE_FRAMEBUFFER_RELEASE =                    0x00048001,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_PHYSICAL_WIDTH_HEIGHT = 0x00044003,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_WIDTH_HEIGHT =  0x00044004,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_DEPTH =                 0x00044005,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_PIXEL_ORDER =           0x00044006,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_ALPHA_MODE =            0x00044007,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_VIRTUAL_OFFSET =        0x00044009,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_OVERSCAN =              0x0004400a,
	RPI_FIRMWARE_FRAMEBUFFER_TEST_PALETTE =               0x0004400b,
	RPI_FIRMWARE_FRAMEBUFFER_SET_PHYSICAL_WIDTH_HEIGHT =  0x00048003,
	RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_WIDTH_HEIGHT =   0x00048004,
	RPI_FIRMWARE_FRAMEBUFFER_SET_DEPTH =                  0x00048005,
	RPI_FIRMWARE_FRAMEBUFFER_SET_PIXEL_ORDER =            0x00048006,
	RPI_FIRMWARE_FRAMEBUFFER_SET_ALPHA_MODE =             0x00048007,
	RPI_FIRMWARE_FRAMEBUFFER_SET_VIRTUAL_OFFSET =         0x00048009,
	RPI_FIRMWARE_FRAMEBUFFER_SET_OVERSCAN =               0x0004800a,
	RPI_FIRMWARE_FRAMEBUFFER_SET_PALETTE =                0x0004800b,

	RPI_FIRMWARE_VCHIQ_INIT =                             0x00048010,

	RPI_FIRMWARE_GET_COMMAND_LINE =                       0x00050001,
	RPI_FIRMWARE_GET_DMA_CHANNELS =                       0x00060001,
};

#if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE)
int rpi_firmware_property(struct rpi_firmware *fw,
			  u32 tag, void *data, size_t len);
int rpi_firmware_property_list(struct rpi_firmware *fw,
			       void *data, size_t tag_size);
struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
#else
static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag,
					void *data, size_t len)
{
	return -ENOSYS;
}

static inline int rpi_firmware_property_list(struct rpi_firmware *fw,
					     void *data, size_t tag_size)
{
	return -ENOSYS;
}

static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
{
	return NULL;
}
#endif

#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */