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Diffstat (limited to 'common/usb_kbd.c')
-rw-r--r--common/usb_kbd.c59
1 files changed, 56 insertions, 3 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 4cbc9acb738..820f591fc5b 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -24,6 +24,18 @@
#include <usb.h>
/*
+ * USB vendor and product IDs used for quirks.
+ */
+#define USB_VENDOR_ID_APPLE 0x05ac
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021 0x029c
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021 0x029a
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021 0x029f
+
+#define USB_VENDOR_ID_KEYCHRON 0x3434
+
+#define USB_HID_QUIRK_POLL_NO_REPORT_IDLE BIT(0)
+
+/*
* If overwrite_console returns 1, the stdin, stderr and stdout
* are switched to the serial port, else the settings in the
* environment are used
@@ -106,6 +118,8 @@ struct usb_kbd_pdata {
unsigned long last_report;
struct int_queue *intq;
+ uint32_t ifnum;
+
uint32_t repeat_delay;
uint32_t usb_in_pointer;
@@ -150,8 +164,8 @@ static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)
*/
static void usb_kbd_setled(struct usb_device *dev)
{
- struct usb_interface *iface = &dev->config.if_desc[0];
struct usb_kbd_pdata *data = dev->privptr;
+ struct usb_interface *iface = &dev->config.if_desc[data->ifnum];
ALLOC_ALIGN_BUFFER(uint32_t, leds, 1, USB_DMA_MINALIGN);
*leds = data->flags & USB_KBD_LEDMASK;
@@ -365,7 +379,7 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
#if defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
struct usb_interface *iface;
struct usb_kbd_pdata *data = dev->privptr;
- iface = &dev->config.if_desc[0];
+ iface = &dev->config.if_desc[data->ifnum];
usb_get_report(dev, iface->desc.bInterfaceNumber,
1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE);
if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) {
@@ -464,6 +478,7 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
struct usb_interface *iface;
struct usb_endpoint_descriptor *ep;
struct usb_kbd_pdata *data;
+ unsigned int quirks = 0;
int epNum;
if (dev->descriptor.bNumConfigurations != 1)
@@ -496,6 +511,15 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
debug("USB KBD: found interrupt EP: 0x%x\n", ep->bEndpointAddress);
+ switch (dev->descriptor.idVendor) {
+ case USB_VENDOR_ID_APPLE:
+ case USB_VENDOR_ID_KEYCHRON:
+ quirks |= USB_HID_QUIRK_POLL_NO_REPORT_IDLE;
+ break;
+ default:
+ break;
+ }
+
data = malloc(sizeof(struct usb_kbd_pdata));
if (!data) {
printf("USB KBD: Error allocating private data\n");
@@ -509,6 +533,8 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
data->new = memalign(USB_DMA_MINALIGN,
roundup(USB_KBD_BOOT_REPORT_SIZE, USB_DMA_MINALIGN));
+ data->ifnum = ifnum;
+
/* Insert private data into USB device structure */
dev->privptr = data;
@@ -534,6 +560,14 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
usb_set_idle(dev, iface->desc.bInterfaceNumber, 0, 0);
#endif
+ /*
+ * Apple and Keychron keyboards do not report the device state. Reports
+ * are only returned during key presses.
+ */
+ if (quirks & USB_HID_QUIRK_POLL_NO_REPORT_IDLE) {
+ debug("USB KBD: quirk: skip testing device state\n");
+ return 1;
+ }
debug("USB KBD: enable interrupt pipe...\n");
#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
data->intq = create_int_queue(dev, data->intpipe, 1,
@@ -561,10 +595,17 @@ static int probe_usb_keyboard(struct usb_device *dev)
{
char *stdinname;
struct stdio_dev usb_kbd_dev;
+ unsigned int ifnum;
+ unsigned int max_ifnum = min((unsigned int)USB_MAX_ACTIVE_INTERFACES,
+ (unsigned int)dev->config.no_of_if);
int error;
/* Try probing the keyboard */
- if (usb_kbd_probe_dev(dev, 0) != 1)
+ for (ifnum = 0; ifnum < max_ifnum; ifnum++) {
+ if (usb_kbd_probe_dev(dev, ifnum) == 1)
+ break;
+ }
+ if (ifnum >= max_ifnum)
return -ENOENT;
/* Register the keyboard */
@@ -731,6 +772,18 @@ static const struct usb_device_id kbd_id_table[] = {
.bInterfaceSubClass = USB_SUB_HID_BOOT,
.bInterfaceProtocol = USB_PROT_HID_KEYBOARD,
},
+ {
+ USB_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
+ },
+ {
+ USB_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021),
+ },
+ {
+ USB_DEVICE(USB_VENDOR_ID_APPLE,
+ USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021),
+ },
{ } /* Terminating entry */
};