+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
* Adapted for U-Boot driver model
* (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
* Note: Part of this code has been derived from linux
*
*/
bool companion;
};
+/**
+ * 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
*
* 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.
* 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
/**
* 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
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