/*
* Wireless USB Wire Adapter constants and structures.
*
* Copyright (C) 2005-2006 Intel Corporation.
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*
* FIXME: docs
* FIXME: organize properly, group logically
*
* All the event structures are defined in uwb/spec.h, as they are
* common to the WHCI and WUSB radio control interfaces.
*
* References:
* [WUSB] Wireless Universal Serial Bus Specification, revision 1.0, ch8
*/
#ifndef __LINUX_USB_WUSB_WA_H
#define __LINUX_USB_WUSB_WA_H
/**
* Radio Command Request for the Radio Control Interface
*
* Radio Control Interface command and event codes are the same as
* WHCI, and listed in include/linux/uwb.h:UWB_RC_{CMD,EVT}_*
*/
enum {
WA_EXEC_RC_CMD = 40, /* Radio Control command Request */
};
/* Wireless Adapter Requests ([WUSB] table 8-51) */
enum {
WUSB_REQ_ADD_MMC_IE = 20,
WUSB_REQ_REMOVE_MMC_IE = 21,
WUSB_REQ_SET_NUM_DNTS = 22,
WUSB_REQ_SET_CLUSTER_ID = 23,
WUSB_REQ_SET_DEV_INFO = 24,
WUSB_REQ_GET_TIME = 25,
WUSB_REQ_SET_STREAM_IDX = 26,
WUSB_REQ_SET_WUSB_MAS = 27,
WUSB_REQ_CHAN_STOP = 28,
};
/* Wireless Adapter WUSB Channel Time types ([WUSB] table 8-52) */
enum {
WUSB_TIME_ADJ = 0,
WUSB_TIME_BPST = 1,
WUSB_TIME_WUSB = 2,
};
enum {
WA_ENABLE = 0x01,
WA_RESET = 0x02,
RPIPE_PAUSE = 0x1,
RPIPE_STALL = 0x2,
};
/* Responses from Get Status request ([WUSB] section 8.3.1.6) */
enum {
WA_STATUS_ENABLED = 0x01,
WA_STATUS_RESETTING = 0x02
};
enum rpipe_crs {
RPIPE_CRS_CTL = 0x01,
RPIPE_CRS_ISO = 0x02,
RPIPE_CRS_BULK = 0x04,
RPIPE_CRS_INTR = 0x08
};
/**
* RPipe descriptor ([WUSB] section 8.5.2.11)
*
* FIXME: explain rpipes
*/
struct usb_rpipe_descriptor {
u8 bLength;
u8 bDescriptorType;
__le16 wRPipeIndex;
__le16 wRequests;
__le16 wBlocks; /* rw if 0 */
__le16 wMaxPacketSize; /* rw */
union {
u8 dwa_bHSHubAddress; /* rw: DWA. */
u8 hwa_bMaxBurst; /* rw: HWA. */
};
union {
u8 dwa_bHSHubPort; /* rw: DWA. */
u8 hwa_bDeviceInfoIndex; /* rw: HWA. */
};
u8 bSpeed; /* rw: xfer rate 'enum uwb_phy_rate' */
union {
u8 dwa_bDeviceAddress; /* rw: DWA Target device address. */
u8 hwa_reserved; /* rw: HWA. */
};
u8 bEndpointAddress; /* rw: Target EP address */
u8 bDataSequence; /* ro: Current Data sequence */
__le32 dwCurrentWindow; /* ro */
u8 bMaxDataSequence; /* ro?: max supported seq */
u8 bInterval; /* rw: */
u8 bOverTheAirInterval; /* rw: */
u8 bmAttribute; /* ro? */
u8 bmCharacteristics; /* ro? enum rpipe_attr, supported xsactions */
u8 bmRetryOptions; /* rw? */
__le16 wNumTransactionErrors; /* rw */
} __attribute__ ((packed));
/**
* Wire Adapter Notification types ([WUSB] sections 8.4.5 & 8.5.4)
*
* These are the notifications coming on the notification endpoint of
* an HWA and a DWA.
*/
enum wa_notif_type {
DWA_NOTIF_RWAKE = 0x91,
DWA_NOTIF_PORTSTATUS = 0x92,
WA_NOTIF_TRANSFER = 0x93,
HWA_NOTIF_BPST_ADJ = 0x94,
HWA_NOTIF_DN = 0x95,
};
/**
* Wire Adapter notification header
*
* Notifications coming from a wire adapter use a common header
* defined in [WUSB] sections 8.4.5 & 8.5.4.
*/
struct wa_notif_hdr {
u8 bLength;
u8 bNotifyType; /* enum wa_notif_type */
} __packed;
/**
* HWA DN Received notification [(WUSB] section 8.5.4.2)
*
* The DNData is specified in WUSB1.0[7.6]. For each device
* notification we received, we just need to dispatch it.
*
* @dndata: this is really an array of notifications, but all start
* with the same header.
*/
struct hwa_notif_dn {
struct wa_notif_hdr hdr;
u8 bSourceDeviceAddr; /* from errata 2005/07 */
u8 bmAttributes;
struct wusb_dn_hdr dndata[];
} __packed;
/* [WUSB] section 8.3.3 */
enum wa_xfer_type {
WA_XFER_TYPE_CTL = 0x80,
WA_XFER_TYPE_BI = 0x81, /* bulk/interrupt */
WA_XFER_TYPE_ISO = 0x82,
WA_XFER_RESULT = 0x83,
WA_XFER_ABORT = 0x84,
WA_XFER_ISO_PACKET_INFO = 0xA0,
WA_XFER_ISO_PACKET_STATUS = 0xA1,
};
/* [WUSB] section 8.3.3 */
struct wa_xfer_hdr {
u8 bLength; /* 0x18 */
u8 bRequestType; /* 0x80 WA_REQUEST_TYPE_CTL */
__le16 wRPipe; /* RPipe index */
__le32 dwTransferID; /* Host-assigned ID */
__le32 dwTransferLength; /* Length of data to xfer */
u8 bTransferSegment;
} __packed;
struct wa_xfer_ctl {
struct wa_xfer_hdr hdr;
u8 bmAttribute;
__le16 wReserved;
struct usb_ctrlrequest baSetupData;
} __packed;
struct wa_xfer_bi {
struct wa_xfer_hdr hdr;
u8 bReserved;
__le16 wReserved;
} __packed;
/* [WUSB] section 8.5.5 */
struct wa_xfer_hwaiso {
struct wa_xfer_hdr hdr;
u8 bReserved;
__le16 wPresentationTime;
__le32 dwNumOfPackets;
} __packed;
struct wa_xfer_packet_info_hwaiso {
__le16 wLength;
u8 bPacketType;
u8 bReserved;
__le16 PacketLength[0];
} __packed;
struct wa_xfer_packet_status_len_hwaiso {
__le16 PacketLength;
__le16 PacketStatus;
} __packed;
struct wa_xfer_packet_status_hwaiso {
__le16 wLength;
u8 bPacketType;
u8 bReserved;
struct wa_xfer_packet_status_len_hwaiso PacketStatus[0];
} __packed;
/* [WUSB] section 8.3.3.5 */
struct wa_xfer_abort {
u8 bLength;
u8 bRequestType;
__le16 wRPipe; /* RPipe index */
__le32 dwTransferID; /* Host-assigned ID */
} __packed;
/**
* WA Transfer Complete notification ([WUSB] section 8.3.3.3)
*
*/
struct wa_notif_xfer {
struct wa_notif_hdr hdr;
u8 bEndpoint;
u8 Reserved;
} __packed;
/** Transfer result basic codes [WUSB] table 8-15 */
enum {
WA_XFER_STATUS_SUCCESS,
WA_XFER_STATUS_HALTED,
WA_XFER_STATUS_DATA_BUFFER_ERROR,
WA_XFER_STATUS_BABBLE,
WA_XFER_RESERVED,
WA_XFER_STATUS_NOT_FOUND,
WA_XFER_STATUS_INSUFFICIENT_RESOURCE,
WA_XFER_STATUS_TRANSACTION_ERROR,
WA_XFER_STATUS_ABORTED,
WA_XFER_STATUS_RPIPE_NOT_READY,
WA_XFER_INVALID_FORMAT,
WA_XFER_UNEXPECTED_SEGMENT_NUMBER,
WA_XFER_STATUS_RPIPE_TYPE_MISMATCH,
};
/** [WUSB] section 8.3.3.4 */
struct wa_xfer_result {
struct wa_notif_hdr hdr;
__le32 dwTransferID;
__le32 dwTransferLength;
u8 bTransferSegment;
u8 bTransferStatus;
__le32 dwNumOfPackets;
} __packed;
/**
* Wire Adapter Class Descriptor ([WUSB] section 8.5.2.7).
*
* NOTE: u16 fields are read Little Endian from the hardware.
*
* @bNumPorts is the original max number of devices that the host can
* connect; we might chop this so the stack can handle
* it. In case you need to access it, use wusbhc->ports_max
* if it is a Wireless USB WA.
*/
struct usb_wa_descriptor {
u8 bLength;
u8 bDescriptorType;
__le16 bcdWAVersion;
u8 bNumPorts; /* don't use!! */
u8 bmAttributes; /* Reserved == 0 */
__le16 wNumRPipes;
__le16 wRPipeMaxBlock;
u8 bRPipeBlockSize;
u8 bPwrOn2PwrGood;
u8 bNumMMCIEs;
u8 DeviceRemovable; /* FIXME: in DWA this is up to 16 bytes */
} __packed;
/**
* HWA Device Information Buffer (WUSB1.0[T8.54])
*/
struct hwa_dev_info {
u8 bmDeviceAvailability[32]; /* FIXME: ignored for now */
u8 bDeviceAddress;
__le16 wPHYRates;
u8 bmDeviceAttribute;
} __packed;
#endif /* #ifndef __LINUX_USB_WUSB_WA_H */