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Keyboard (FreeBSD): fall back to KDGKBINFO if usbhid fails

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This commit is contained in:
李通洲
2025-03-27 14:14:05 +08:00
parent 3fb773eedd
commit bdaf303da4
1 changed files with 39 additions and 3 deletions
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src/detection/keyboard/keyboard_bsd.c
+39 -3
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@@ -4,6 +4,7 @@
#include <stdio.h>
#include <fcntl.h>
#include <usbhid.h>
#include <sys/kbio.h>
#if __has_include(<dev/usb/usb_ioctl.h>)
#include <dev/usb/usb_ioctl.h> // FreeBSD
@@ -11,12 +12,38 @@
#include <bus/u4b/usb_ioctl.h> // DragonFly
#endif
#define MAX_UHID_JOYS 64
static const char* detectByIoctl(FFlist* devices)
{
keyboard_info_t kbdInfo;
if (ioctl(STDIN_FILENO, KDGKBINFO, &kbdInfo) != 0)
return "ioctl(KDGKBINFO) failed";
const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */)
FFKeyboardDevice* device = (FFKeyboardDevice*) ffListAdd(devices);
switch (kbdInfo.kb_type) {
case KB_84:
ffStrbufInitS(&device->name, "AT 84-key keyboard");
break;
case KB_101:
ffStrbufInitS(&device->name, "AT 101/102-key keyboard");
break;
default:
ffStrbufInitS(&device->name, "Unknown keyboard");
break;
}
ffStrbufAppendF(&device->name, " (kbd%d)", kbdInfo.kb_index);
ffStrbufInit(&device->serial);
return NULL;
}
#define MAX_UHID_KBDS 64
static const char* detectByUsbhid(FFlist* devices)
{
char path[16];
for (int i = 0; i < MAX_UHID_JOYS; i++)
for (int i = 0; i < MAX_UHID_KBDS; i++)
{
snprintf(path, ARRAY_SIZE(path), "/dev/uhid%d", i);
FF_AUTO_CLOSE_FD int fd = open(path, O_RDONLY | O_CLOEXEC);
@@ -43,6 +70,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */)
ffStrbufInitS(&device->name, di.udi_product);
}
}
hid_end_parse(hData);
}
hid_dispose_report_desc(repDesc);
@@ -50,3 +78,11 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */)
return NULL;
}
const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */)
{
detectByUsbhid(devices);
if (devices->length > 0)
return NULL;
return detectByIoctl(devices);
}