/* $FreeBSD$ */ /*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _USB_CONTROLLER_H_ #define _USB_CONTROLLER_H_ /* defines */ #define USB_BUS_DMA_TAG_MAX 8 /* structure prototypes */ struct usb_bus; struct usb_page; struct usb_endpoint; struct usb_page_cache; struct usb_setup_params; struct usb_hw_ep_profile; struct usb_fs_isoc_schedule; struct usb_endpoint_descriptor; /* typedefs */ typedef void (usb_bus_mem_sub_cb_t)(struct usb_bus *bus, struct usb_page_cache *pc, struct usb_page *pg, usb_size_t size, usb_size_t align); typedef void (usb_bus_mem_cb_t)(struct usb_bus *bus, usb_bus_mem_sub_cb_t *scb); /* * The following structure is used to define all the USB BUS * callbacks. */ struct usb_bus_methods { /* USB Device and Host mode - Mandatory */ usb_handle_req_t *roothub_exec; void (*endpoint_init) (struct usb_device *, struct usb_endpoint_descriptor *, struct usb_endpoint *); void (*xfer_setup) (struct usb_setup_params *); void (*xfer_unsetup) (struct usb_xfer *); void (*get_dma_delay) (struct usb_device *, uint32_t *); void (*device_suspend) (struct usb_device *); void (*device_resume) (struct usb_device *); void (*set_hw_power) (struct usb_bus *); void (*set_hw_power_sleep) (struct usb_bus *, uint32_t); /* * The following flag is set if one or more control transfers are * active: */ #define USB_HW_POWER_CONTROL 0x01 /* * The following flag is set if one or more bulk transfers are * active: */ #define USB_HW_POWER_BULK 0x02 /* * The following flag is set if one or more interrupt transfers are * active: */ #define USB_HW_POWER_INTERRUPT 0x04 /* * The following flag is set if one or more isochronous transfers * are active: */ #define USB_HW_POWER_ISOC 0x08 /* * The following flag is set if one or more non-root-HUB devices * are present on the given USB bus: */ #define USB_HW_POWER_NON_ROOT_HUB 0x10 /* * The following flag is set if we are suspending */ #define USB_HW_POWER_SUSPEND 0x20 /* * The following flag is set if we are resuming */ #define USB_HW_POWER_RESUME 0x40 /* * The following flag is set if we are shutting down */ #define USB_HW_POWER_SHUTDOWN 0x60 /* USB Device mode only - Mandatory */ void (*get_hw_ep_profile) (struct usb_device *udev, const struct usb_hw_ep_profile **ppf, uint8_t ep_addr); void (*xfer_stall) (struct usb_xfer *xfer); void (*set_stall) (struct usb_device *udev, struct usb_endpoint *ep, uint8_t *did_stall); /* USB Device mode mandatory. USB Host mode optional. */ void (*clear_stall) (struct usb_device *udev, struct usb_endpoint *ep); /* Optional transfer polling support */ void (*xfer_poll) (struct usb_bus *); /* Optional fixed power mode support */ void (*get_power_mode) (struct usb_device *udev, int8_t *pmode); /* Optional endpoint uninit */ void (*endpoint_uninit) (struct usb_device *, struct usb_endpoint *); /* Optional device init */ usb_error_t (*device_init) (struct usb_device *); /* Optional device uninit */ void (*device_uninit) (struct usb_device *); /* Optional for device and host mode */ void (*start_dma_delay) (struct usb_xfer *); void (*device_state_change) (struct usb_device *); /* Optional for host mode */ usb_error_t (*set_address) (struct usb_device *, struct mtx *, uint16_t); /* Optional for device and host mode */ usb_error_t (*set_endpoint_mode) (struct usb_device *, struct usb_endpoint *, uint8_t); }; /* * The following structure is used to define all the USB pipe * callbacks. */ struct usb_pipe_methods { /* Mandatory USB Device and Host mode callbacks: */ void (*open)(struct usb_xfer *); void (*close)(struct usb_xfer *); void (*enter)(struct usb_xfer *); void (*start)(struct usb_xfer *); /* Optional */ void *info; }; /* * The following structure keeps information about what a hardware USB * endpoint supports. */ struct usb_hw_ep_profile { uint16_t max_in_frame_size; /* IN-token direction */ uint16_t max_out_frame_size; /* OUT-token direction */ uint8_t is_simplex:1; uint8_t support_multi_buffer:1; uint8_t support_bulk:1; uint8_t support_control:1; uint8_t support_interrupt:1; uint8_t support_isochronous:1; uint8_t support_in:1; /* IN-token is supported */ uint8_t support_out:1; /* OUT-token is supported */ }; /* prototypes */ void usb_bus_mem_flush_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); uint8_t usb_bus_mem_alloc_all(struct usb_bus *bus, bus_dma_tag_t dmat, usb_bus_mem_cb_t *cb); void usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); uint16_t usb_isoc_time_expand(struct usb_bus *bus, uint16_t isoc_time_curr); void usb_bus_reset_async_locked(struct usb_bus *bus); #if USB_HAVE_TT_SUPPORT uint8_t usbd_fs_isoc_schedule_alloc_slot(struct usb_xfer *isoc_xfer, uint16_t isoc_time); #endif #endif /* _USB_CONTROLLER_H_ */