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/* $FreeBSD: release/9.1.0/sys/dev/usb/usb_compat_linux.h 198776 2009-11-01 21:48:18Z thompsa $ */
/*-
* Copyright (c) 2007 Luigi Rizzo - Universita` di Pisa. All rights reserved.
* Copyright (c) 2007 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_COMPAT_LINUX_H
#define _USB_COMPAT_LINUX_H
struct usb_device;
struct usb_interface;
struct usb_driver;
struct urb;
typedef void *pm_message_t;
typedef void (usb_complete_t)(struct urb *);
#define USB_MAX_FULL_SPEED_ISOC_FRAMES (60 * 1)
#define USB_MAX_HIGH_SPEED_ISOC_FRAMES (60 * 8)
#define USB_DEVICE_ID_MATCH_DEVICE \
(USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
#define USB_DEVICE(vend,prod) \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), \
.idProduct = (prod)
/* The "usb_driver" structure holds the Linux USB device driver
* callbacks, and a pointer to device ID's which this entry should
* match against. Usually this entry is exposed to the USB emulation
* layer using the "USB_DRIVER_EXPORT()" macro, which is defined
* below.
*/
struct usb_driver {
const char *name;
int (*probe) (struct usb_interface *intf,
const struct usb_device_id *id);
void (*disconnect) (struct usb_interface *intf);
int (*ioctl) (struct usb_interface *intf, unsigned int code,
void *buf);
int (*suspend) (struct usb_interface *intf, pm_message_t message);
int (*resume) (struct usb_interface *intf);
const struct usb_device_id *id_table;
void (*shutdown) (struct usb_interface *intf);
LIST_ENTRY(usb_driver) linux_driver_list;
};
#define USB_DRIVER_EXPORT(id,p_usb_drv) \
SYSINIT(id,SI_SUB_KLD,SI_ORDER_FIRST,usb_linux_register,p_usb_drv); \
SYSUNINIT(id,SI_SUB_KLD,SI_ORDER_ANY,usb_linux_deregister,p_usb_drv)
#define USB_DT_ENDPOINT_SIZE 7
#define USB_DT_ENDPOINT_AUDIO_SIZE 9
/*
* Endpoints
*/
#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
#define USB_ENDPOINT_DIR_MASK 0x80
#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
#define USB_ENDPOINT_XFER_CONTROL 0
#define USB_ENDPOINT_XFER_ISOC 1
#define USB_ENDPOINT_XFER_BULK 2
#define USB_ENDPOINT_XFER_INT 3
#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80
/* CONTROL REQUEST SUPPORT */
/*
* Definition of direction mask for
* "bEndpointAddress" and "bmRequestType":
*/
#define USB_DIR_MASK 0x80
#define USB_DIR_OUT 0x00 /* write to USB device */
#define USB_DIR_IN 0x80 /* read from USB device */
/*
* Definition of type mask for
* "bmRequestType":
*/
#define USB_TYPE_MASK (0x03 << 5)
#define USB_TYPE_STANDARD (0x00 << 5)
#define USB_TYPE_CLASS (0x01 << 5)
#define USB_TYPE_VENDOR (0x02 << 5)
#define USB_TYPE_RESERVED (0x03 << 5)
/*
* Definition of receiver mask for
* "bmRequestType":
*/
#define USB_RECIP_MASK 0x1f
#define USB_RECIP_DEVICE 0x00
#define USB_RECIP_INTERFACE 0x01
#define USB_RECIP_ENDPOINT 0x02
#define USB_RECIP_OTHER 0x03
/*
* Definition of standard request values for
* "bRequest":
*/
#define USB_REQ_GET_STATUS 0x00
#define USB_REQ_CLEAR_FEATURE 0x01
#define USB_REQ_SET_FEATURE 0x03
#define USB_REQ_SET_ADDRESS 0x05
#define USB_REQ_GET_DESCRIPTOR 0x06
#define USB_REQ_SET_DESCRIPTOR 0x07
#define USB_REQ_GET_CONFIGURATION 0x08
#define USB_REQ_SET_CONFIGURATION 0x09
#define USB_REQ_GET_INTERFACE 0x0A
#define USB_REQ_SET_INTERFACE 0x0B
#define USB_REQ_SYNCH_FRAME 0x0C
#define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */
#define USB_REQ_GET_ENCRYPTION 0x0E
#define USB_REQ_SET_HANDSHAKE 0x0F
#define USB_REQ_GET_HANDSHAKE 0x10
#define USB_REQ_SET_CONNECTION 0x11
#define USB_REQ_SET_SECURITY_DATA 0x12
#define USB_REQ_GET_SECURITY_DATA 0x13
#define USB_REQ_SET_WUSB_DATA 0x14
#define USB_REQ_LOOPBACK_DATA_WRITE 0x15
#define USB_REQ_LOOPBACK_DATA_READ 0x16
#define USB_REQ_SET_INTERFACE_DS 0x17
/*
* USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and
* are read as a bit array returned by USB_REQ_GET_STATUS. (So there
* are at most sixteen features of each type.)
*/
#define USB_DEVICE_SELF_POWERED 0 /* (read only) */
#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */
#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */
#define USB_DEVICE_BATTERY 2 /* (wireless) */
#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */
#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless) */
#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */
#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */
#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */
#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */
#define PIPE_ISOCHRONOUS 0x01 /* UE_ISOCHRONOUS */
#define PIPE_INTERRUPT 0x03 /* UE_INTERRUPT */
#define PIPE_CONTROL 0x00 /* UE_CONTROL */
#define PIPE_BULK 0x02 /* UE_BULK */
/* Whenever Linux references an USB endpoint:
* a) to initialize "urb->endpoint"
* b) second argument passed to "usb_control_msg()"
*
* Then it uses one of the following macros. The "endpoint" argument
* is the physical endpoint value masked by 0xF. The "dev" argument
* is a pointer to "struct usb_device".
*/
#define usb_sndctrlpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_CONTROL, (endpoint) | USB_DIR_OUT)
#define usb_rcvctrlpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_CONTROL, (endpoint) | USB_DIR_IN)
#define usb_sndisocpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_ISOCHRONOUS, (endpoint) | USB_DIR_OUT)
#define usb_rcvisocpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_ISOCHRONOUS, (endpoint) | USB_DIR_IN)
#define usb_sndbulkpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_BULK, (endpoint) | USB_DIR_OUT)
#define usb_rcvbulkpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_BULK, (endpoint) | USB_DIR_IN)
#define usb_sndintpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_INTERRUPT, (endpoint) | USB_DIR_OUT)
#define usb_rcvintpipe(dev,endpoint) \
usb_find_host_endpoint(dev, PIPE_INTERRUPT, (endpoint) | USB_DIR_IN)
/*
* The following structure is used to extend "struct urb" when we are
* dealing with an isochronous endpoint. It contains information about
* the data offset and data length of an isochronous packet.
* The "actual_length" field is updated before the "complete"
* callback in the "urb" structure is called.
*/
struct usb_iso_packet_descriptor {
uint32_t offset; /* depreciated buffer offset (the
* packets are usually back to back) */
uint16_t length; /* expected length */
uint16_t actual_length;
int16_t status; /* transfer status */
};
/*
* The following structure holds various information about an USB
* transfer. This structure is used for all kinds of USB transfers.
*
* URB is short for USB Request Block.
*/
struct urb {
TAILQ_ENTRY(urb) bsd_urb_list;
struct cv cv_wait;
struct usb_device *dev; /* (in) pointer to associated device */
struct usb_host_endpoint *endpoint; /* (in) pipe pointer */
uint8_t *setup_packet; /* (in) setup packet (control only) */
uint8_t *bsd_data_ptr;
void *transfer_buffer; /* (in) associated data buffer */
void *context; /* (in) context for completion */
usb_complete_t *complete; /* (in) completion routine */
usb_size_t transfer_buffer_length;/* (in) data buffer length */
usb_size_t bsd_length_rem;
usb_size_t actual_length; /* (return) actual transfer length */
usb_timeout_t timeout; /* FreeBSD specific */
uint16_t transfer_flags; /* (in) */
#define URB_SHORT_NOT_OK 0x0001 /* report short transfers like errors */
#define URB_ISO_ASAP 0x0002 /* ignore "start_frame" field */
#define URB_ZERO_PACKET 0x0004 /* the USB transfer ends with a short
* packet */
#define URB_NO_TRANSFER_DMA_MAP 0x0008 /* "transfer_dma" is valid on submit */
#define URB_WAIT_WAKEUP 0x0010 /* custom flags */
#define URB_IS_SLEEPING 0x0020 /* custom flags */
usb_frcount_t start_frame; /* (modify) start frame (ISO) */
usb_frcount_t number_of_packets; /* (in) number of ISO packets */
uint16_t interval; /* (modify) transfer interval
* (INT/ISO) */
uint16_t error_count; /* (return) number of ISO errors */
int16_t status; /* (return) status */
uint8_t setup_dma; /* (in) not used on FreeBSD */
uint8_t transfer_dma; /* (in) not used on FreeBSD */
uint8_t bsd_isread;
uint8_t kill_count; /* FreeBSD specific */
struct usb_iso_packet_descriptor iso_frame_desc[]; /* (in) ISO ONLY */
};
/* various prototypes */
int usb_submit_urb(struct urb *urb, uint16_t mem_flags);
int usb_unlink_urb(struct urb *urb);
int usb_clear_halt(struct usb_device *dev, struct usb_host_endpoint *uhe);
int usb_control_msg(struct usb_device *dev, struct usb_host_endpoint *ep,
uint8_t request, uint8_t requesttype, uint16_t value,
uint16_t index, void *data, uint16_t size, usb_timeout_t timeout);
int usb_set_interface(struct usb_device *dev, uint8_t ifnum,
uint8_t alternate);
int usb_setup_endpoint(struct usb_device *dev,
struct usb_host_endpoint *uhe, usb_frlength_t bufsize);
struct usb_host_endpoint *usb_find_host_endpoint(struct usb_device *dev,
uint8_t type, uint8_t ep);
struct urb *usb_alloc_urb(uint16_t iso_packets, uint16_t mem_flags);
struct usb_host_interface *usb_altnum_to_altsetting(
const struct usb_interface *intf, uint8_t alt_index);
struct usb_interface *usb_ifnum_to_if(struct usb_device *dev, uint8_t iface_no);
void *usb_buffer_alloc(struct usb_device *dev, usb_size_t size,
uint16_t mem_flags, uint8_t *dma_addr);
void *usbd_get_intfdata(struct usb_interface *intf);
void usb_buffer_free(struct usb_device *dev, usb_size_t size, void *addr, uint8_t dma_addr);
void usb_free_urb(struct urb *urb);
void usb_init_urb(struct urb *urb);
void usb_kill_urb(struct urb *urb);
void usb_set_intfdata(struct usb_interface *intf, void *data);
void usb_linux_register(void *arg);
void usb_linux_deregister(void *arg);
void usb_fill_bulk_urb(struct urb *, struct usb_device *,
struct usb_host_endpoint *, void *, int, usb_complete_t, void *);
int usb_bulk_msg(struct usb_device *, struct usb_host_endpoint *,
void *, int, uint16_t *, usb_timeout_t);
#define interface_to_usbdev(intf) (intf)->linux_udev
#define interface_to_bsddev(intf) (intf)->linux_udev
#endif /* _USB_COMPAT_LINUX_H */