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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __DRIVERS_GFX_GENERIC_CHIP_H__
#define __DRIVERS_GFX_GENERIC_CHIP_H__
#include <acpi/acpi_device.h>
#include <acpi/acpi_pld.h>
/* ACPI spec 6.5 table B-2, Display Output Device */
#define DOD_FW_DETECT BIT(16) /* Platform boot firmware can detect the device. */
#define DOD_DID_STD BIT(31) /* DID Scheme: Use standard bit-field definitions */
enum display_type {
other = 0,
vga = 1, /* VGA, CRT, VESA monitor */
tv = 2, /* TV/HDTV or analog monitor */
ext = 3, /* External digital monitor (DVI, HDMI, DP) */
panel = 4, /* Internal/integrated digital flat panel */
};
/* Config for electronic privacy screen */
struct drivers_gfx_generic_privacy_screen_config {
/* Is privacy screen available on this graphics device */
int enabled;
/* ACPI namespace path to privacy screen detection function */
const char *detect_function;
/* ACPI namespace path to privacy screen status function */
const char *status_function;
/* ACPI namespace path to privacy screen enable function */
const char *enable_function;
/* ACPI namespace path to privacy screen disable function */
const char *disable_function;
/*
* GPIO used for controlling the privacy screen. If provided,
* the gpio mechanism takes preference over the functions ptrs
* above, if any (GPIO functions override the function ptrs).
*/
struct acpi_gpio gpio;
};
/* Config for an output device as defined in section A.5 of the ACPI spec */
struct drivers_gfx_generic_device_config {
/* ACPI device name of the output device */
const char *name;
/* Value to use for _HID Name, will take precedence over _ADR */
const char *hid;
/* The display type of the output device. See definition above */
enum display_type type;
/* The address of the output device.
Will be dynamically generated if not set and display_type is set */
unsigned int addr;
/* Electronic privacy screen specific config */
struct drivers_gfx_generic_privacy_screen_config privacy;
/* Physical location of connection point */
bool use_pld;
struct acpi_pld pld;
};
/* Config for an ACPI video device defined in Appendix A of the ACPI spec */
struct drivers_gfx_generic_config {
/*
* ACPI device name of the graphics card, "GFX0" will be used if name is
* not set
*/
const char *name;
/* The number of output devices defined */
int device_count;
/* Config for output devices */
/* 1 DDIA + 1 DDIB + max 4 TCP = up to 6 GFX devices */
struct drivers_gfx_generic_device_config device[6];
};
#endif /* __DRIVERS_GFX_GENERIC_CHIP_H__ */
|
