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/* $FreeBSD: release/9.1.0/sys/dev/usb/usb_controller.h 235001 2012-05-04 15:10:49Z hselasky $ */
/*-
* 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_config_descriptor;
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 (*set_stall) (struct usb_device *udev, struct usb_xfer *xfer, 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);
};
/*
* 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 */
};
/*
* The following structure is used when trying to allocate hardware
* endpoints for an USB configuration in USB device side mode.
*/
struct usb_hw_ep_scratch_sub {
const struct usb_hw_ep_profile *pf;
uint16_t max_frame_size;
uint8_t hw_endpoint_out;
uint8_t hw_endpoint_in;
uint8_t needs_ep_type;
uint8_t needs_in:1;
uint8_t needs_out:1;
};
/*
* The following structure is used when trying to allocate hardware
* endpoints for an USB configuration in USB device side mode.
*/
struct usb_hw_ep_scratch {
struct usb_hw_ep_scratch_sub ep[USB_EP_MAX];
struct usb_hw_ep_scratch_sub *ep_max;
struct usb_config_descriptor *cd;
struct usb_device *udev;
struct usb_bus_methods *methods;
uint8_t bmOutAlloc[(USB_EP_MAX + 15) / 16];
uint8_t bmInAlloc[(USB_EP_MAX + 15) / 16];
};
/*
* The following structure is used when generating USB descriptors
* from USB templates.
*/
struct usb_temp_setup {
void *buf;
usb_size_t size;
enum usb_dev_speed usb_speed;
uint8_t self_powered;
uint8_t bNumEndpoints;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bConfigurationValue;
usb_error_t err;
};
/* 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);
#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_ */