git: 5e41194bfcc5 - main - acpi_asus_wmi(4): Add EVDEV support
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Date: Mon, 17 Mar 2025 15:46:57 UTC
The branch main has been updated by wulf:
URL: https://cgit.FreeBSD.org/src/commit/?id=5e41194bfcc54fb506070f7a01d5bc00326cde66
commit 5e41194bfcc54fb506070f7a01d5bc00326cde66
Author: Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2025-03-17 15:45:14 +0000
Commit: Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2025-03-17 15:45:14 +0000
acpi_asus_wmi(4): Add EVDEV support
Use input event device to export hotkey events.
Sponsored by: Future Crew LLC
MFC after: 1 month
Reviewed by: mav
Differential Revision: https://reviews.freebsd.org/D48982
---
sys/dev/acpi_support/acpi_asus_wmi.c | 140 +++++++++++++++++++++++++++++++-
sys/modules/acpi/acpi_asus_wmi/Makefile | 1 +
2 files changed, 140 insertions(+), 1 deletion(-)
diff --git a/sys/dev/acpi_support/acpi_asus_wmi.c b/sys/dev/acpi_support/acpi_asus_wmi.c
index 853696e67f84..80beee2fea7f 100644
--- a/sys/dev/acpi_support/acpi_asus_wmi.c
+++ b/sys/dev/acpi_support/acpi_asus_wmi.c
@@ -26,6 +26,7 @@
#include <sys/cdefs.h>
#include "opt_acpi.h"
+#include "opt_evdev.h"
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/uio.h>
@@ -41,6 +42,12 @@
#include <dev/acpica/acpivar.h>
#include "acpi_wmi_if.h"
+#ifdef EVDEV_SUPPORT
+#include <dev/evdev/input.h>
+#include <dev/evdev/evdev.h>
+#define NO_KEY KEY_RESERVED
+#endif
+
#define _COMPONENT ACPI_OEM
ACPI_MODULE_NAME("ASUS-WMI")
@@ -110,6 +117,9 @@ struct acpi_asus_wmi_softc {
struct sysctl_oid *sysctl_tree;
int dsts_id;
int handle_keys;
+#ifdef EVDEV_SUPPORT
+ struct evdev_dev *evdev;
+#endif
};
static struct {
@@ -253,6 +263,82 @@ static struct {
{ NULL, 0, NULL, 0 }
};
+#ifdef EVDEV_SUPPORT
+static const struct {
+ UINT32 notify;
+ uint16_t key;
+} acpi_asus_wmi_evdev_map[] = {
+ { 0x20, KEY_BRIGHTNESSDOWN },
+ { 0x2f, KEY_BRIGHTNESSUP },
+ { 0x30, KEY_VOLUMEUP },
+ { 0x31, KEY_VOLUMEDOWN },
+ { 0x32, KEY_MUTE },
+ { 0x35, KEY_SCREENLOCK },
+ { 0x38, KEY_PROG3 }, /* Armoury Crate */
+ { 0x40, KEY_PREVIOUSSONG },
+ { 0x41, KEY_NEXTSONG },
+ { 0x43, KEY_STOPCD }, /* Stop/Eject */
+ { 0x45, KEY_PLAYPAUSE },
+ { 0x4f, KEY_LEFTMETA }, /* Fn-locked "Windows" Key */
+ { 0x4c, KEY_MEDIA }, /* WMP Key */
+ { 0x50, KEY_EMAIL },
+ { 0x51, KEY_WWW },
+ { 0x55, KEY_CALC },
+ { 0x57, NO_KEY }, /* Battery mode */
+ { 0x58, NO_KEY }, /* AC mode */
+ { 0x5C, KEY_F15 }, /* Power Gear key */
+ { 0x5D, KEY_WLAN }, /* Wireless console Toggle */
+ { 0x5E, KEY_WLAN }, /* Wireless console Enable */
+ { 0x5F, KEY_WLAN }, /* Wireless console Disable */
+ { 0x60, KEY_TOUCHPAD_ON },
+ { 0x61, KEY_SWITCHVIDEOMODE }, /* SDSP LCD only */
+ { 0x62, KEY_SWITCHVIDEOMODE }, /* SDSP CRT only */
+ { 0x63, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT */
+ { 0x64, KEY_SWITCHVIDEOMODE }, /* SDSP TV */
+ { 0x65, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + TV */
+ { 0x66, KEY_SWITCHVIDEOMODE }, /* SDSP CRT + TV */
+ { 0x67, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT + TV */
+ { 0x6B, KEY_TOUCHPAD_TOGGLE },
+ { 0x6E, NO_KEY }, /* Low Battery notification */
+ { 0x71, KEY_F13 }, /* General-purpose button */
+ { 0x79, NO_KEY }, /* Charger type dectection notification */
+ { 0x7a, KEY_ALS_TOGGLE }, /* Ambient Light Sensor Toggle */
+ { 0x7c, KEY_MICMUTE },
+ { 0x7D, KEY_BLUETOOTH }, /* Bluetooth Enable */
+ { 0x7E, KEY_BLUETOOTH }, /* Bluetooth Disable */
+ { 0x82, KEY_CAMERA },
+ { 0x86, KEY_PROG1 }, /* MyASUS Key */
+ { 0x88, KEY_RFKILL }, /* Radio Toggle Key */
+ { 0x8A, KEY_PROG1 }, /* Color enhancement mode */
+ { 0x8C, KEY_SWITCHVIDEOMODE }, /* SDSP DVI only */
+ { 0x8D, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + DVI */
+ { 0x8E, KEY_SWITCHVIDEOMODE }, /* SDSP CRT + DVI */
+ { 0x8F, KEY_SWITCHVIDEOMODE }, /* SDSP TV + DVI */
+ { 0x90, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT + DVI */
+ { 0x91, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + TV + DVI */
+ { 0x92, KEY_SWITCHVIDEOMODE }, /* SDSP CRT + TV + DVI */
+ { 0x93, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT + TV + DVI */
+ { 0x95, KEY_MEDIA },
+ { 0x99, KEY_PHONE }, /* Conflicts with fan mode switch */
+ { 0xA0, KEY_SWITCHVIDEOMODE }, /* SDSP HDMI only */
+ { 0xA1, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + HDMI */
+ { 0xA2, KEY_SWITCHVIDEOMODE }, /* SDSP CRT + HDMI */
+ { 0xA3, KEY_SWITCHVIDEOMODE }, /* SDSP TV + HDMI */
+ { 0xA4, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT + HDMI */
+ { 0xA5, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + TV + HDMI */
+ { 0xA6, KEY_SWITCHVIDEOMODE }, /* SDSP CRT + TV + HDMI */
+ { 0xA7, KEY_SWITCHVIDEOMODE }, /* SDSP LCD + CRT + TV + HDMI */
+ { 0xAE, KEY_FN_F5 }, /* Fn+F5 fan mode on 2020+ */
+ { 0xB3, KEY_PROG4 }, /* AURA */
+ { 0xB5, KEY_CALC },
+ { 0xC4, KEY_KBDILLUMUP },
+ { 0xC5, KEY_KBDILLUMDOWN },
+ { 0xC6, NO_KEY }, /* Ambient Light Sensor notification */
+ { 0xFA, KEY_PROG2 }, /* Lid flip action */
+ { 0xBD, KEY_PROG2 }, /* Lid flip action on ROG xflow laptops */
+};
+#endif
+
ACPI_SERIAL_DECL(asus_wmi, "ASUS WMI device");
static void acpi_asus_wmi_identify(driver_t *driver, device_t parent);
@@ -290,6 +376,9 @@ static driver_t acpi_asus_wmi_driver = {
DRIVER_MODULE(acpi_asus_wmi, acpi_wmi, acpi_asus_wmi_driver, 0, 0);
MODULE_DEPEND(acpi_asus_wmi, acpi_wmi, 1, 1, 1);
MODULE_DEPEND(acpi_asus_wmi, acpi, 1, 1, 1);
+#ifdef EVDEV_SUPPORT
+MODULE_DEPEND(acpi_asus_wmi, evdev, 1, 1, 1);
+#endif
static void
acpi_asus_wmi_identify(driver_t *driver, device_t parent)
@@ -437,6 +526,27 @@ next:
}
ACPI_SERIAL_END(asus_wmi);
+#ifdef EVDEV_SUPPORT
+ if (sc->notify_guid != NULL) {
+ sc->evdev = evdev_alloc();
+ evdev_set_name(sc->evdev, device_get_desc(dev));
+ evdev_set_phys(sc->evdev, device_get_nameunit(dev));
+ evdev_set_id(sc->evdev, BUS_HOST, 0, 0, 1);
+ evdev_support_event(sc->evdev, EV_SYN);
+ evdev_support_event(sc->evdev, EV_KEY);
+ for (i = 0; i < nitems(acpi_asus_wmi_evdev_map); i++) {
+ if (acpi_asus_wmi_evdev_map[i].key != NO_KEY)
+ evdev_support_key(sc->evdev,
+ acpi_asus_wmi_evdev_map[i].key);
+ }
+
+ if (evdev_register(sc->evdev) != 0) {
+ acpi_asus_wmi_detach(dev);
+ return (ENXIO);
+ }
+ }
+#endif
+
return (0);
}
@@ -447,8 +557,12 @@ acpi_asus_wmi_detach(device_t dev)
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
- if (sc->notify_guid)
+ if (sc->notify_guid) {
ACPI_WMI_REMOVE_EVENT_HANDLER(dev, sc->notify_guid);
+#ifdef EVDEV_SUPPORT
+ evdev_free(sc->evdev);
+#endif
+ }
return (0);
}
@@ -540,6 +654,27 @@ acpi_asus_wmi_free_buffer(ACPI_BUFFER* buf) {
}
}
+#ifdef EVDEV_SUPPORT
+static void
+acpi_asus_wmi_push_evdev_event(struct evdev_dev *evdev, UINT32 notify)
+{
+ int i;
+ uint16_t key;
+
+ for (i = 0; i < nitems(acpi_asus_wmi_evdev_map); i++) {
+ if (acpi_asus_wmi_evdev_map[i].notify == notify &&
+ acpi_asus_wmi_evdev_map[i].key != NO_KEY) {
+ key = acpi_asus_wmi_evdev_map[i].key;
+ evdev_push_key(evdev, key, 1);
+ evdev_sync(evdev);
+ evdev_push_key(evdev, key, 0);
+ evdev_sync(evdev);
+ break;
+ }
+ }
+}
+#endif
+
static void
acpi_asus_wmi_notify(ACPI_HANDLE h, UINT32 notify, void *context)
{
@@ -557,6 +692,9 @@ acpi_asus_wmi_notify(ACPI_HANDLE h, UINT32 notify, void *context)
code = obj->Integer.Value;
acpi_UserNotify("ASUS", ACPI_ROOT_OBJECT,
code);
+#ifdef EVDEV_SUPPORT
+ acpi_asus_wmi_push_evdev_event(sc->evdev, code);
+#endif
}
if (code && sc->handle_keys) {
/* Keyboard backlight control. */
diff --git a/sys/modules/acpi/acpi_asus_wmi/Makefile b/sys/modules/acpi/acpi_asus_wmi/Makefile
index c202ef8f0707..552eef2ac479 100644
--- a/sys/modules/acpi/acpi_asus_wmi/Makefile
+++ b/sys/modules/acpi/acpi_asus_wmi/Makefile
@@ -3,5 +3,6 @@
KMOD= acpi_asus_wmi
CFLAGS+=-I${SRCTOP}/sys/dev/acpi_support
SRCS= acpi_asus_wmi.c opt_acpi.h acpi_if.h acpi_wmi_if.h device_if.h bus_if.h
+SRCS+= opt_evdev.h
.include <bsd.kmod.mk>