963169b4af
mode in the USB core. The patch mostly consists of updating the USB HUB code to support USB 3.0 HUBs. This patch also add some more USB controller methods to support more active-alike USB controllers like the XHCI which needs to be informed about various device state events. USB 3.0 HUBs are not tested yet, due to lack of hardware, but are believed to work. After this update the initial device descriptor is only read twice when we know that the bMaxPacketSize is too small for a single packet transfer of this descriptor. Approved by: thompsa (mentor)
226 lines
6.8 KiB
C
226 lines
6.8 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USB_CONTROLLER_H_
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#define _USB_CONTROLLER_H_
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/* defines */
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#define USB_BUS_DMA_TAG_MAX 8
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/* structure prototypes */
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struct usb_bus;
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struct usb_page;
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struct usb_endpoint;
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struct usb_page_cache;
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struct usb_setup_params;
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struct usb_hw_ep_profile;
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struct usb_fs_isoc_schedule;
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struct usb_config_descriptor;
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struct usb_endpoint_descriptor;
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/* typedefs */
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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);
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typedef void (usb_bus_mem_cb_t)(struct usb_bus *bus, usb_bus_mem_sub_cb_t *scb);
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/*
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* The following structure is used to define all the USB BUS
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* callbacks.
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*/
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struct usb_bus_methods {
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/* USB Device and Host mode - Mandatory */
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usb_handle_req_t *roothub_exec;
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void (*endpoint_init) (struct usb_device *,
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struct usb_endpoint_descriptor *, struct usb_endpoint *);
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void (*xfer_setup) (struct usb_setup_params *);
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void (*xfer_unsetup) (struct usb_xfer *);
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void (*get_dma_delay) (struct usb_device *, uint32_t *);
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void (*device_suspend) (struct usb_device *);
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void (*device_resume) (struct usb_device *);
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void (*set_hw_power) (struct usb_bus *);
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/*
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* The following flag is set if one or more control transfers are
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* active:
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*/
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#define USB_HW_POWER_CONTROL 0x01
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/*
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* The following flag is set if one or more bulk transfers are
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* active:
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*/
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#define USB_HW_POWER_BULK 0x02
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/*
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* The following flag is set if one or more interrupt transfers are
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* active:
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*/
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#define USB_HW_POWER_INTERRUPT 0x04
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/*
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* The following flag is set if one or more isochronous transfers
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* are active:
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*/
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#define USB_HW_POWER_ISOC 0x08
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/*
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* The following flag is set if one or more non-root-HUB devices
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* are present on the given USB bus:
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*/
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#define USB_HW_POWER_NON_ROOT_HUB 0x10
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/* USB Device mode only - Mandatory */
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void (*get_hw_ep_profile) (struct usb_device *udev, const struct usb_hw_ep_profile **ppf, uint8_t ep_addr);
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void (*set_stall) (struct usb_device *udev, struct usb_xfer *xfer, struct usb_endpoint *ep, uint8_t *did_stall);
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/* USB Device mode mandatory. USB Host mode optional. */
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void (*clear_stall) (struct usb_device *udev, struct usb_endpoint *ep);
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/* Optional transfer polling support */
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void (*xfer_poll) (struct usb_bus *);
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/* Optional fixed power mode support */
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void (*get_power_mode) (struct usb_device *udev, int8_t *pmode);
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/* Optional endpoint uninit */
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void (*endpoint_uninit) (struct usb_device *, struct usb_endpoint *);
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/* Optional device init */
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usb_error_t (*device_init) (struct usb_device *);
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/* Optional device uninit */
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void (*device_uninit) (struct usb_device *);
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/* Optional for device and host mode */
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void (*start_dma_delay) (struct usb_xfer *);
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void (*device_state_change) (struct usb_device *);
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/* Optional for host mode */
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usb_error_t (*set_address) (struct usb_device *, struct mtx *, uint16_t);
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};
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/*
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* The following structure is used to define all the USB pipe
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* callbacks.
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*/
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struct usb_pipe_methods {
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/* Mandatory USB Device and Host mode callbacks: */
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void (*open)(struct usb_xfer *);
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void (*close)(struct usb_xfer *);
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void (*enter)(struct usb_xfer *);
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void (*start)(struct usb_xfer *);
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/* Optional */
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void *info;
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};
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/*
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* The following structure keeps information about what a hardware USB
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* endpoint supports.
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*/
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struct usb_hw_ep_profile {
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uint16_t max_in_frame_size; /* IN-token direction */
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uint16_t max_out_frame_size; /* OUT-token direction */
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uint8_t is_simplex:1;
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uint8_t support_multi_buffer:1;
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uint8_t support_bulk:1;
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uint8_t support_control:1;
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uint8_t support_interrupt:1;
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uint8_t support_isochronous:1;
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uint8_t support_in:1; /* IN-token is supported */
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uint8_t support_out:1; /* OUT-token is supported */
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};
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/*
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* The following structure is used when trying to allocate hardware
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* endpoints for an USB configuration in USB device side mode.
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*/
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struct usb_hw_ep_scratch_sub {
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const struct usb_hw_ep_profile *pf;
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uint16_t max_frame_size;
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uint8_t hw_endpoint_out;
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uint8_t hw_endpoint_in;
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uint8_t needs_ep_type;
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uint8_t needs_in:1;
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uint8_t needs_out:1;
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};
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/*
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* The following structure is used when trying to allocate hardware
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* endpoints for an USB configuration in USB device side mode.
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*/
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struct usb_hw_ep_scratch {
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struct usb_hw_ep_scratch_sub ep[USB_EP_MAX];
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struct usb_hw_ep_scratch_sub *ep_max;
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struct usb_config_descriptor *cd;
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struct usb_device *udev;
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struct usb_bus_methods *methods;
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uint8_t bmOutAlloc[(USB_EP_MAX + 15) / 16];
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uint8_t bmInAlloc[(USB_EP_MAX + 15) / 16];
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};
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/*
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* The following structure is used when generating USB descriptors
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* from USB templates.
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*/
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struct usb_temp_setup {
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void *buf;
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usb_size_t size;
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enum usb_dev_speed usb_speed;
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uint8_t self_powered;
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uint8_t bNumEndpoints;
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uint8_t bInterfaceNumber;
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uint8_t bAlternateSetting;
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uint8_t bConfigurationValue;
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usb_error_t err;
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};
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/* prototypes */
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void usb_bus_mem_flush_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb);
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uint8_t usb_bus_mem_alloc_all(struct usb_bus *bus, bus_dma_tag_t dmat, usb_bus_mem_cb_t *cb);
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void usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb);
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uint16_t usb_isoc_time_expand(struct usb_bus *bus, uint16_t isoc_time_curr);
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uint16_t usbd_fs_isoc_schedule_isoc_time_expand(struct usb_device *udev, struct usb_fs_isoc_schedule **pp_start, struct usb_fs_isoc_schedule **pp_end, uint16_t isoc_time);
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uint8_t usbd_fs_isoc_schedule_alloc(struct usb_fs_isoc_schedule *fss, uint8_t *pstart, uint16_t len);
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#endif /* _USB_CONTROLLER_H_ */
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