diff options
| author | Simon Glass | 2015-09-08 11:15:11 -0600 |
|---|---|---|
| committer | Simon Glass | 2015-11-19 20:13:39 -0700 |
| commit | 34ab37eef5a5f8023abc657ab38f7b9fe11c38b3 (patch) | |
| tree | 3a8917301e9cffb9286c343a04f45316d4d164da /common/usb_kbd.c | |
| parent | 2b24e09c66480f3723b137f434a6c3b0db764817 (diff) | |
dm: usb: Add support for USB keyboards with driver model
Switch USB keyboards over to use driver model instead of scanning with the
horrible usb_get_dev_index() function. This involves creating a new uclass
for keyboards, although so far there is no API.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/usb_kbd.c')
| -rw-r--r-- | common/usb_kbd.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/common/usb_kbd.c b/common/usb_kbd.c index 0302e5bc933..137ec65e19a 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -399,7 +399,7 @@ static int usb_kbd_getc(struct stdio_dev *sdev) } /* probes the USB device dev for keyboard type. */ -static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum) +static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum) { struct usb_interface *iface; struct usb_endpoint_descriptor *ep; @@ -496,7 +496,7 @@ static int probe_usb_keyboard(struct usb_device *dev) int error; /* Try probing the keyboard */ - if (usb_kbd_probe(dev, 0) != 1) + if (usb_kbd_probe_dev(dev, 0) != 1) return -ENOENT; /* Register the keyboard */ @@ -533,6 +533,7 @@ static int probe_usb_keyboard(struct usb_device *dev) return 0; } +#ifndef CONFIG_DM_USB /* Search for keyboard and register it if found. */ int drv_usb_kbd_init(void) { @@ -591,6 +592,7 @@ int drv_usb_kbd_init(void) /* No USB Keyboard found */ return -1; } +#endif /* Deregister the keyboard. */ int usb_kbd_deregister(int force) @@ -622,3 +624,49 @@ int usb_kbd_deregister(int force) return 1; #endif } + +#ifdef CONFIG_DM_USB + +static int usb_kbd_probe(struct udevice *dev) +{ + struct usb_device *udev = dev_get_parent_priv(dev); + int ret; + + ret = probe_usb_keyboard(udev); + + return ret; +} + +static const struct udevice_id usb_kbd_ids[] = { + { .compatible = "usb-keyboard" }, + { } +}; + +U_BOOT_DRIVER(usb_kbd) = { + .name = "usb_kbd", + .id = UCLASS_KEYBOARD, + .of_match = usb_kbd_ids, + .probe = usb_kbd_probe, +}; + +/* TODO(sjg@chromium.org): Move this into a common location */ +UCLASS_DRIVER(keyboard) = { + .id = UCLASS_KEYBOARD, + .name = "keyboard", +}; + +static const struct usb_device_id kbd_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS | + USB_DEVICE_ID_MATCH_INT_SUBCLASS | + USB_DEVICE_ID_MATCH_INT_PROTOCOL, + .bInterfaceClass = USB_CLASS_HID, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 1, + }, + { } /* Terminating entry */ +}; + +U_BOOT_USB_DEVICE(usb_kbd, kbd_id_table); + +#endif |