473 lines
15 KiB
C
473 lines
15 KiB
C
/* $FreeBSD$ */
|
|
/*-
|
|
* 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)
|
|
|
|
/*
|
|
* Linux compatible USB device drivers put their device information
|
|
* into the "usb_device_id" structure using the "USB_DEVICE()" macro.
|
|
* The "MODULE_DEVICE_TABLE()" macro can be used to export this
|
|
* information to userland.
|
|
*/
|
|
struct usb_device_id {
|
|
/* which fields to match against */
|
|
uint16_t match_flags;
|
|
#define USB_DEVICE_ID_MATCH_VENDOR 0x0001
|
|
#define USB_DEVICE_ID_MATCH_PRODUCT 0x0002
|
|
#define USB_DEVICE_ID_MATCH_DEV_LO 0x0004
|
|
#define USB_DEVICE_ID_MATCH_DEV_HI 0x0008
|
|
#define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010
|
|
#define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020
|
|
#define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040
|
|
#define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080
|
|
#define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100
|
|
#define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200
|
|
|
|
/* Used for product specific matches; the BCD range is inclusive */
|
|
uint16_t idVendor;
|
|
uint16_t idProduct;
|
|
uint16_t bcdDevice_lo;
|
|
uint16_t bcdDevice_hi;
|
|
|
|
/* Used for device class matches */
|
|
uint8_t bDeviceClass;
|
|
uint8_t bDeviceSubClass;
|
|
uint8_t bDeviceProtocol;
|
|
|
|
/* Used for interface class matches */
|
|
uint8_t bInterfaceClass;
|
|
uint8_t bInterfaceSubClass;
|
|
uint8_t bInterfaceProtocol;
|
|
|
|
/* Hook for driver specific information */
|
|
unsigned long driver_info;
|
|
};
|
|
|
|
#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)
|
|
|
|
/*
|
|
* The following structure is the same as "usb_device_descriptor_t"
|
|
* except that 16-bit values are "uint16_t" and not an array of "uint8_t".
|
|
* It is used by Linux USB device drivers.
|
|
*/
|
|
struct usb_device_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
|
|
uint16_t bcdUSB;
|
|
uint8_t bDeviceClass;
|
|
uint8_t bDeviceSubClass;
|
|
uint8_t bDeviceProtocol;
|
|
uint8_t bMaxPacketSize0;
|
|
uint16_t idVendor;
|
|
uint16_t idProduct;
|
|
uint16_t bcdDevice;
|
|
uint8_t iManufacturer;
|
|
uint8_t iProduct;
|
|
uint8_t iSerialNumber;
|
|
uint8_t bNumConfigurations;
|
|
} __packed;
|
|
|
|
/*
|
|
* The following structure is the same as
|
|
* "usb_interface_descriptor_t". It is used by
|
|
* Linux USB device drivers.
|
|
*/
|
|
struct usb_interface_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
|
|
uint8_t bInterfaceNumber;
|
|
uint8_t bAlternateSetting;
|
|
uint8_t bNumEndpoints;
|
|
uint8_t bInterfaceClass;
|
|
uint8_t bInterfaceSubClass;
|
|
uint8_t bInterfaceProtocol;
|
|
uint8_t iInterface;
|
|
} __packed;
|
|
|
|
/*
|
|
* The following structure is the same as "usb_endpoint_descriptor_t"
|
|
* except that 16-bit values are "uint16_t" and not an array of "uint8_t".
|
|
* It is used by Linux USB device drivers.
|
|
*/
|
|
struct usb_endpoint_descriptor {
|
|
uint8_t bLength;
|
|
uint8_t bDescriptorType;
|
|
|
|
uint8_t bEndpointAddress;
|
|
uint8_t bmAttributes;
|
|
uint16_t wMaxPacketSize;
|
|
uint8_t bInterval;
|
|
|
|
/* extension for audio endpoints only: */
|
|
uint8_t bRefresh;
|
|
uint8_t bSynchAddress;
|
|
} __packed;
|
|
|
|
#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->pipe"
|
|
* 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 four structures makes up a tree, where we have the
|
|
* leaf structure, "usb_host_endpoint", first, and the root structure,
|
|
* "usb_device", last. The four structures below mirror the structure
|
|
* of the USB descriptors belonging to an USB configuration. Please
|
|
* refer to the USB specification for a definition of "endpoints" and
|
|
* "interfaces".
|
|
*/
|
|
struct usb_host_endpoint {
|
|
struct usb_endpoint_descriptor desc;
|
|
|
|
TAILQ_HEAD(, urb) bsd_urb_list;
|
|
|
|
struct usb2_xfer *bsd_xfer[2];
|
|
|
|
uint8_t *extra; /* Extra descriptors */
|
|
|
|
uint32_t fbsd_buf_size;
|
|
|
|
uint16_t extralen;
|
|
|
|
uint8_t bsd_iface_index;
|
|
} __aligned(USB_HOST_ALIGN);
|
|
|
|
struct usb_host_interface {
|
|
struct usb_interface_descriptor desc;
|
|
|
|
/* the following array has size "desc.bNumEndpoint" */
|
|
struct usb_host_endpoint *endpoint;
|
|
|
|
const char *string; /* iInterface string, if present */
|
|
uint8_t *extra; /* Extra descriptors */
|
|
|
|
uint16_t extralen;
|
|
|
|
uint8_t bsd_iface_index;
|
|
} __aligned(USB_HOST_ALIGN);
|
|
|
|
struct usb_interface {
|
|
/* array of alternate settings for this interface */
|
|
struct usb_host_interface *altsetting;
|
|
struct usb_host_interface *cur_altsetting;
|
|
struct usb_device *linux_udev;
|
|
void *bsd_priv_sc; /* device specific information */
|
|
|
|
uint8_t num_altsetting; /* number of alternate settings */
|
|
uint8_t bsd_iface_index;
|
|
} __aligned(USB_HOST_ALIGN);
|
|
|
|
struct usb_device {
|
|
struct usb_device_descriptor descriptor;
|
|
struct usb_host_endpoint ep0;
|
|
|
|
struct usb2_device *bsd_udev;
|
|
struct usb_interface *bsd_iface_start;
|
|
struct usb_interface *bsd_iface_end;
|
|
struct usb_host_endpoint *bsd_endpoint_start;
|
|
struct usb_host_endpoint *bsd_endpoint_end;
|
|
|
|
/* static strings from the device */
|
|
const char *product; /* iProduct string, if present */
|
|
const char *manufacturer; /* iManufacturer string, if present */
|
|
const char *serial; /* iSerialNumber string, if present */
|
|
|
|
uint16_t devnum;
|
|
|
|
uint8_t speed; /* USB_SPEED_XXX */
|
|
} __aligned(USB_HOST_ALIGN);
|
|
|
|
/*
|
|
* 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;
|
|
uint16_t 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 *pipe; /* (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 */
|
|
|
|
uint32_t transfer_buffer_length;/* (in) data buffer length */
|
|
uint32_t actual_length; /* (return) actual transfer length */
|
|
uint32_t bsd_length_rem;
|
|
uint32_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 */
|
|
|
|
uint16_t start_frame; /* (modify) start frame (ISO) */
|
|
uint16_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;
|
|
|
|
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 *pipe,
|
|
uint8_t request, uint8_t requesttype, uint16_t value,
|
|
uint16_t index, void *data, uint16_t size, uint32_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, uint32_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, uint32_t size,
|
|
uint16_t mem_flags, uint8_t *dma_addr);
|
|
void *usb_get_intfdata(struct usb_interface *intf);
|
|
|
|
void usb_buffer_free(struct usb_device *dev, uint32_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);
|
|
|
|
#define interface_to_usbdev(intf) (intf)->linux_udev
|
|
#define interface_to_bsddev(intf) (intf)->linux_udev->bsd_udev
|
|
|
|
#endif /* _USB_COMPAT_LINUX_H */
|