diff options
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/include/usb.h b/include/usb.h index 0ddc0822b41..57a7d8d0ea3 100644 --- a/include/usb.h +++ b/include/usb.h @@ -653,6 +653,18 @@ struct usb_bus_priv { }; /** + * struct usb_emul_platdata - platform data about the USB emulator + * + * Given a USB emulator (UCLASS_USB_EMUL) 'dev', this is + * dev_get_uclass_platdata(dev). + * + * @port1: USB emulator device port number on the parent hub + */ +struct usb_emul_platdata { + int port1; /* Port number (numbered from 1) */ +}; + +/** * struct dm_usb_ops - USB controller operations * * This defines the operations supoorted on a USB controller. Common @@ -976,7 +988,6 @@ int usb_get_max_xfer_size(struct usb_device *dev, size_t *size); * the USB emulation uclass about the features of the emulator. * * @dev: Emulation device - * @maxpacketsize: Maximum packet size (e.g. PACKET_SIZE_64) * @strings: List of USB string descriptors, terminated by a NULL * entry * @desc_list: List of points or USB descriptors, terminated by NULL. @@ -984,8 +995,8 @@ int usb_get_max_xfer_size(struct usb_device *dev, size_t *size); * and others follow on after that. * @return 0 if OK, -ENOSYS if not implemented, other -ve on error */ -int usb_emul_setup_device(struct udevice *dev, int maxpacketsize, - struct usb_string *strings, void **desc_list); +int usb_emul_setup_device(struct udevice *dev, struct usb_string *strings, + void **desc_list); /** * usb_emul_control() - Send a control packet to an emulator @@ -1024,19 +1035,20 @@ int usb_emul_int(struct udevice *emul, struct usb_device *udev, /** * usb_emul_find() - Find an emulator for a particular device * - * Check @pipe to find a device number on bus @bus and return it. + * Check @pipe and @port1 to find a device number on bus @bus and return it. * * @bus: USB bus (controller) * @pipe: Describes pipe being used, and includes the device number + * @port1: Describes port number on the parent hub * @emulp: Returns pointer to emulator, or NULL if not found * @return 0 if found, -ve on error */ -int usb_emul_find(struct udevice *bus, ulong pipe, struct udevice **emulp); +int usb_emul_find(struct udevice *bus, ulong pipe, int port1, + struct udevice **emulp); /** * usb_emul_find_for_dev() - Find an emulator for a particular device * - * @bus: USB bus (controller) * @dev: USB device to check * @emulp: Returns pointer to emulator, or NULL if not found * @return 0 if found, -ve on error @@ -1044,12 +1056,15 @@ int usb_emul_find(struct udevice *bus, ulong pipe, struct udevice **emulp); int usb_emul_find_for_dev(struct udevice *dev, struct udevice **emulp); /** - * usb_emul_reset() - Reset all emulators ready for use + * usb_emul_find_descriptor() - Find a USB descriptor of a particular device * - * Clear out any address information in the emulators and make then ready for - * a new USB scan + * @ptr: a pointer to a list of USB descriptor pointers + * @type: type of USB descriptor to find + * @index: if @type is USB_DT_CONFIG, this is the configuration value + * @return a pointer to the USB descriptor found, NULL if not found */ -void usb_emul_reset(struct udevice *dev); +struct usb_generic_descriptor **usb_emul_find_descriptor( + struct usb_generic_descriptor **ptr, int type, int index); /** * usb_show_tree() - show the USB device tree |