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fwohcireg.h revision 1.4
      1 /*-
      2  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Matt Thomas of 3am Software Foundry.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *        This product includes software developed by the NetBSD
     19  *        Foundation, Inc. and its contributors.
     20  * 4. Neither the name of The NetBSD Foundation nor the names of its
     21  *    contributors may be used to endorse or promote products derived
     22  *    from this software without specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #ifndef _DEV_IEEE1394_FWOHCIREG_H_
     38 #define _DEV_IEEE1394_FWOHCIREG_H_
     39 
     40 /* PCI/CardBus-Specific definitions
     41  */
     42 
     43 /* In the PCI Class Code Register ...
     44  */
     45 #define	PCI_INTERFACE_OHCI		0x10
     46 
     47 /* The OHCI Regisers are in PCI BAR0.
     48  */
     49 #define	PCI_OHCI_MAP_REGISTER		0x10
     50 
     51 /* HCI Control Register (in PCI config space)
     52  */
     53 #define	PCI_OHCI_CONTROL_REGISTER	0x40
     54 
     55 /* If the following bit, all OHCI register access
     56  * and DMA transactions are byte swapped.
     57  */
     58 #define	PCI_GLOBAL_SWAP_BE		0x00000001
     59 
     60 /* Bus Independent Definitions */
     61 
     62 #define	OHCI_CONFIG_SIZE		1024
     63 #define	OHCI_CONFIG_ALIGNMENT		1024
     64 
     65 /* OHCI Registers
     66  * OHCI Registers are divided into four spaces:
     67  *   1) 0x000 .. 0x17C = Control register space
     68  *   2) 0x180 .. 0x1FC = Asynchronous DMA context register space
     69  *			 (4 contexts)
     70  *   3) 0x200 .. 0x3FC = Isochronous Transmit DMA context register space
     71  *			 (32 contexts)
     72  *   4) 0x400 .. 0x7FC = Isochronous Receive DMA context register space
     73  *			 (32 contexts)
     74  */
     75 #define	OHCI_REG_Version			0x000
     76 #define	OHCI_REG_Guid_Rom			0x004
     77 #define	OHCI_REG_ATRetries			0x008
     78 #define	OHCI_REG_CsrReadData			0x00c
     79 #define	OHCI_REG_CsrCompareData			0x010
     80 #define	OHCI_REG_CsrControl			0x014
     81 #define	OHCI_REG_ConfigROMhdr			0x018
     82 #define	OHCI_REG_BusId				0x01c
     83 #define	OHCI_REG_BusOptions			0x020
     84 #define	OHCI_REG_GUIDHi				0x024
     85 #define	OHCI_REG_GUIDLo				0x028
     86 #define	OHCI_REG_reserved_02c			0x02c
     87 #define	OHCI_REG_reserved_030			0x030
     88 #define	OHCI_REG_ConfigROMmap			0x034
     89 #define	OHCI_REG_PostedWriteAddressLo		0x038
     90 #define	OHCI_REG_PostedWriteAddressHi		0x03c
     91 #define	OHCI_REG_VendorId			0x040
     92 #define	OHCI_REG_reserved_044			0x044
     93 #define	OHCI_REG_reserved_048			0x048
     94 #define	OHCI_REG_reserved_04c			0x04c
     95 #define	OHCI_REG_HCControlSet			0x050
     96 #define	OHCI_REG_HCControlClear			0x054
     97 #define	OHCI_REG_reserved_058			0x058
     98 #define	OHCI_REG_reserved_05c			0x05c
     99 #define	OHCI_REG_reserved_060			0x060
    100 #define	OHCI_REG_SelfIDBuffer			0x064
    101 #define	OHCI_REG_SelfIDCount			0x068
    102 #define	OHCI_REG_reserved_06c			0x06c
    103 #define	OHCI_REG_IRMultiChanMaskHiSet		0x070
    104 #define	OHCI_REG_IRMultiChanMaskHiClear		0x074
    105 #define	OHCI_REG_IRMultiChanMaskLoSet		0x078
    106 #define	OHCI_REG_IRMultiChanMaskLoClear		0x07c
    107 #define	OHCI_REG_IntEventSet			0x080
    108 #define	OHCI_REG_IntEventClear			0x084
    109 #define	OHCI_REG_IntMaskSet			0x088
    110 #define	OHCI_REG_IntMaskClear			0x08c
    111 #define	OHCI_REG_IsoXmitIntEventSet		0x090
    112 #define	OHCI_REG_IsoXmitIntEventClear		0x094
    113 #define	OHCI_REG_IsoXmitIntMaskSet		0x098
    114 #define	OHCI_REG_IsoXmitIntMaskClear		0x09c
    115 #define	OHCI_REG_IsoRecvIntEventSet		0x0a0
    116 #define	OHCI_REG_IsoRecvIntEventClear		0x0a4
    117 #define	OHCI_REG_IsoRecvIntMaskSet		0x0a8
    118 #define	OHCI_REG_IsoRecvIntMaskClear		0x0ac
    119 #define	OHCI_REG_InitialBandwidthAvailable	0x0b0
    120 #define	OHCI_REG_InitialChannelsAvailableHi	0x0b4
    121 #define	OHCI_REG_InitialChannelsAvailableLo	0x0b8
    122 #define	OHCI_REG_reserved_0bc			0x0bc
    123 #define	OHCI_REG_reserved_0c0			0x0c0
    124 #define	OHCI_REG_reserved_0c4			0x0c4
    125 #define	OHCI_REG_reserved_0c8			0x0c8
    126 #define	OHCI_REG_reserved_0cc			0x0cc
    127 #define	OHCI_REG_reserved_0d0			0x0d0
    128 #define	OHCI_REG_reserved_0d4			0x0d4
    129 #define	OHCI_REG_reserved_0d8			0x0d8
    130 #define	OHCI_REG_FairnessConctrol		0x0dc
    131 #define	OHCI_REG_LinkControlSet			0x0e0
    132 #define	OHCI_REG_LinkControlClear		0x0e4
    133 #define	OHCI_REG_NodeId				0x0e8
    134 #define	OHCI_REG_PhyControl			0x0ec
    135 #define	OHCI_REG_IsochronousCycleTimer		0x0f0
    136 #define	OHCI_REG_reserved_0f0			0x0f4
    137 #define	OHCI_REG_reserved_0f8			0x0f8
    138 #define	OHCI_REG_reserved_0fc			0x0fc
    139 #define	OHCI_REG_AsynchronousRequestFilterHiSet	0x100
    140 #define	OHCI_REG_AsynchronousRequestFilterHiClear	0x104
    141 #define	OHCI_REG_AsynchronousRequestFilterLoSet	0x108
    142 #define	OHCI_REG_AsynchronousRequestFilterLoClear	0x10c
    143 #define	OHCI_REG_PhysicalRequestFilterHiSet	0x110
    144 #define	OHCI_REG_PhysicalRequestFilterHiClear	0x114
    145 #define	OHCI_REG_PhysicalRequestFilterLoSet	0x118
    146 #define	OHCI_REG_PhysicalRequestFilterLoCLear	0x11c
    147 #define	OHCI_REG_PhysicalUpperBound		0x120
    148 #define	OHCI_REG_reserved_124			0x124
    149 #define	OHCI_REG_reserved_128			0x128
    150 #define	OHCI_REG_reserved_12c			0x12c
    151 #define	OHCI_REG_reserved_130			0x130
    152 #define	OHCI_REG_reserved_134			0x134
    153 #define	OHCI_REG_reserved_138			0x138
    154 #define	OHCI_REG_reserved_13c			0x13c
    155 #define	OHCI_REG_reserved_140			0x140
    156 #define	OHCI_REG_reserved_144			0x144
    157 #define	OHCI_REG_reserved_148			0x148
    158 #define	OHCI_REG_reserved_14c			0x14c
    159 #define	OHCI_REG_reserved_150			0x150
    160 #define	OHCI_REG_reserved_154			0x154
    161 #define	OHCI_REG_reserved_158			0x158
    162 #define	OHCI_REG_reserved_15c			0x15c
    163 #define	OHCI_REG_reserved_160			0x160
    164 #define	OHCI_REG_reserved_164			0x164
    165 #define	OHCI_REG_reserved_168			0x168
    166 #define	OHCI_REG_reserved_16c			0x16c
    167 #define	OHCI_REG_reserved_170			0x170
    168 #define	OHCI_REG_reserved_174			0x174
    169 #define	OHCI_REG_reserved_178			0x178
    170 #define	OHCI_REG_reserved_17c			0x17c
    171 
    172 
    173 #define	OHCI_REG_ASYNC_DMA_BASE			0x180
    174 #define	OHCI_CTX_ASYNC_TX_REQUEST		0
    175 #define	OHCI_CTX_ASYNC_TX_RESPONSE		1
    176 #define	OHCI_CTX_ASYNC_RX_REQUEST		2
    177 #define	OHCI_CTX_ASYNC_RX_RESPONSE		3
    178 #define	OHCI_SUBREG_ContextControlSet		0x000
    179 #define	OHCI_SUBREG_ContextControlClear		0x004
    180 #define	OHCI_SUBREG_reserved_008		0x008
    181 #define	OHCI_SUBREG_CommandPtr			0x00c
    182 #define	OHCI_SUBREG_ContextMatch		0x010
    183 #define	OHCI_SUBREG_reserved_014		0x014
    184 #define	OHCI_SUBREG_reserved_018		0x018
    185 #define	OHCI_SUBREG_reserved_01c		0x01c
    186 #define	OHCI_ASYNC_DMA_WRITE(sc, ctx, reg, val) \
    187 	OHCI_CSR_WRITE(sc, OHCI_REG_ASYNC_DMA_BASE + 32*(ctx) + (reg), val)
    188 #define	OHCI_ASYNC_DMA_READ(sc, ctx, reg) \
    189 	OHCI_CSR_READ(sc, OHCI_REG_ASYNC_DMA_BASE + 32*(ctx) + (reg))
    190 
    191 #define	OHCI_REG_SYNC_TX_DMA_BASE		0x200
    192 #define	OHCI_SYNC_TX_DMA_WRITE(sc, ctx, reg, val) \
    193 	OHCI_CSR_WRITE(sc, OHCI_REG_SYNC_TX_DMA_BASE + 16*(ctx) + (reg), val)
    194 #define	OHCI_SYNC_TX_DMA_READ(sc, ctx, reg) \
    195 	OHCI_CSR_READ(sc, OHCI_REG_SYNC_TX_DMA_BASE + 16*(ctx) + (reg))
    196 
    197 #define	OHCI_REG_SYNC_RX_DMA_BASE	0x400
    198 #define	OHCI_SYNC_RX_DMA_WRITE(sc, ctx, reg, val) \
    199 	OHCI_CSR_WRITE(sc, OHCI_REG_SYNC_RX_DMA_BASE + 32*(ctx) + (reg), val)
    200 #define	OHCI_SYNC_RX_DMA_READ(sc, ctx, reg) \
    201 	OHCI_CSR_READ(sc, OHCI_REG_SYNC_RX_DMA_BASE + 32*(ctx) + (reg))
    202 
    203 /* OHCI_REG_Version
    204  */
    205 #define	OHCI_Version_GUID_ROM		0x01000000
    206 #define	OHCI_Version_GET_Version(x)	((((x) >> 16) & 0xf) + (((x) >> 20) & 0xf) * 10)
    207 #define	OHCI_Version_GET_Revision(x)	((((x) >> 4) & 0xf) + ((x) & 0xf) * 10)
    208 
    209 /* OHCI_REG_GUIDxx
    210  */
    211 
    212 /* OHCI_REG_CsrControl
    213  */
    214 #define	OHCI_CsrControl_Done		0x80000000
    215 #define	OHCI_CsrControl_SelMASK		0x00000003
    216 #define	OHCI_CsrControl_BusManId		0
    217 #define	OHCI_CsrControl_BWAvail			1
    218 #define	OHCI_CsrControl_ChanAvailHi		2
    219 #define	OHCI_CsrControl_ChanAvailLo		3
    220 
    221 /* OHCI_REG_BusOptions
    222  */
    223 #define	OHCI_BusOptions_LinkSpd_MASK	0x00000007
    224 #define	OHCI_BusOptions_LinkSpd_BITPOS	0
    225 #define	OHCI_BusOptions_G_MASK		0x000000c0
    226 #define	OHCI_BusOptions_G_BITPOS	6
    227 #define	OHCI_BusOptions_MaxRec_MASK	0x0000f000
    228 #define	OHCI_BusOptions_MaxRec_BITPOS	12
    229 #define	OHCI_BusOptions_CycClkAcc_MASK	0x00ff0000
    230 #define	OHCI_BusOptions_CycClkAcc_BITPOS 16
    231 #define	OHCI_BusOptions_PMC		0x08000000
    232 #define	OHCI_BusOptions_BMC		0x10000000
    233 #define	OHCI_BusOptions_ISC		0x20000000
    234 #define	OHCI_BusOptions_CMC		0x40000000
    235 #define	OHCI_BusOptions_IRMC		0x80000000
    236 #define	OHCI_BusOptions_reserved	0x07000f38
    237 
    238 /* OHCI_REG_HCControl
    239  */
    240 
    241 #define	OHCI_HCControl_SoftReset	0x00010000
    242 #define	OHCI_HCControl_LinkEnable	0x00020000
    243 #define	OHCI_HCControl_PostedWriteEnable 0x00040000
    244 #define	OHCI_HCControl_LPS		0x00080000
    245 #define	OHCI_HCControl_APhyEnhanceEnable 0x00400000
    246 #define	OHCI_HCControl_ProgramPhyEnable	0x00800000
    247 #define	OHCI_HCControl_NoByteSwapData	0x40000000
    248 #define	OHCI_HCControl_BIBImageValid	0x80000000
    249 
    250 /* OHCI_REG_SelfID
    251  */
    252 #define	OHCI_SelfID_Error		0x80000000
    253 #define	OHCI_SelfID_Gen_MASK		0x00ff0000
    254 #define	OHCI_SelfID_Gen_BITPOS		16
    255 #define	OHCI_SelfID_Size_MASK		0x000007fc
    256 #define	OHCI_SelfID_Size_BITPOS		2
    257 
    258 /* OCHI_REG_Int{Event|Mask}*
    259  */
    260 #define	OHCI_Int_MasterEnable		0x80000000
    261 #define	OHCI_Int_VendorSpecific		0x40000000
    262 #define	OHCI_Int_SoftInterrupt		0x20000000
    263 #define	OHCI_Int_Ack_Tardy		0x08000000
    264 #define	OHCI_Int_PhyRegRcvd		0x04000000
    265 #define	OHCI_Int_CycleTooLong		0x02000000
    266 #define	OHCI_Int_UnrecoverableError	0x01000000
    267 #define	OHCI_Int_CycleInconsistent	0x00800000
    268 #define	OHCI_Int_CycleLost		0x00400000
    269 #define	OHCI_Int_Cycle64Seconds		0x00200000
    270 #define	OHCI_Int_CycleSynch		0x00100000
    271 #define	OHCI_Int_Phy			0x00080000
    272 #define	OHCI_Int_RegAccessFail		0x00040000
    273 #define	OHCI_Int_BusReset		0x00020000
    274 #define	OHCI_Int_SelfIDComplete		0x00010000
    275 #define	OHCI_Int_SelfIDCOmplete2	0x00008000
    276 #define	OHCI_Int_LockRespErr		0x00000200
    277 #define	OHCI_Int_PostedWriteErr		0x00000100
    278 #define	OHCI_Int_IsochRx		0x00000080
    279 #define	OHCI_Int_IsochTx		0x00000040
    280 #define	OHCI_Int_RSPkt			0x00000020
    281 #define	OHCI_Int_RQPkt			0x00000010
    282 #define	OHCI_Int_ARRS			0x00000008
    283 #define	OHCI_Int_ARRQ			0x00000004
    284 #define	OHCI_Int_RespTxComplete		0x00000002
    285 #define	OHCI_Int_ReqTxComplete		0x00000001
    286 
    287 /* OHCI_REG_LinkControl
    288  */
    289 #define	OHCI_LinkControl_CycleSource	0x00400000
    290 #define	OHCI_LinkControl_CycleMaster	0x00200000
    291 #define	OHCI_LinkControl_CycleTimerEnable 0x00100000
    292 #define	OHCI_LinkControl_RcvPhyPkt	0x00000400
    293 #define	OHCI_LinkControl_RcvSelfID	0x00000200
    294 #define	OHCI_LinkControl_Tag1SyncFilterLock 0x00000040
    295 
    296 /* OHCI_REG_NodeId
    297  */
    298 #define	OHCI_NodeId_IDValid		0x80000000
    299 #define	OHCI_NodeId_ROOT		0x40000000
    300 #define	OHCI_NodeId_CPS			0x08000000
    301 #define	OHCI_NodeId_BusNumber		0x0000ffc0
    302 #define	OHCI_NodeId_NodeNumber		0x0000003f
    303 
    304 /* OHCI_REG_PhyControl
    305  */
    306 #define	OHCI_PhyControl_RdDone		0x80000000
    307 #define	OHCI_PhyControl_RdAddr		0x0f000000
    308 #define	OHCI_PhyControl_RdAddr_BITPOS	24
    309 #define	OHCI_PhyControl_RdData		0x00ff0000
    310 #define	OHCI_PhyControl_RdData_BITPOS	16
    311 #define	OHCI_PhyControl_RdReg		0x00008000
    312 #define	OHCI_PhyControl_WrReg		0x00004000
    313 #define	OHCI_PhyControl_RegAddr		0x00000f00
    314 #define	OHCI_PhyControl_RegAddr_BITPOS	8
    315 #define	OHCI_PhyControl_WrData		0x000000ff
    316 #define	OHCI_PhyControl_WrData_BITPOS	0
    317 
    318 /*
    319  * Section 3.1.1: ContextControl register
    320  *
    321  *
    322  */
    323 #define	OHCI_CTXCTL_RUN			0x00008000
    324 #define	OHCI_CTXCTL_WAKE		0x00001000
    325 #define	OHCI_CTXCTL_DEAD		0x00000800
    326 #define	OHCI_CTXCTL_ACTIVE		0x00000400
    327 
    328 #define	OHCI_CTXCTL_SPD_BITLEN		3
    329 #define	OHCI_CTXCTL_SPD_BITPOS		5
    330 
    331 #define	OHCI_CTXCTL_SPD_100		0
    332 #define	OHCI_CTXCTL_SPD_200		1
    333 #define	OHCI_CTXCTL_SPD_400		2
    334 
    335 #define	OHCI_CTXCTL_EVENT_BITLEN	5
    336 #define	OHCI_CTXCTL_EVENT_BITPOS	0
    337 
    338 /* Events from 0 to 15 are generated by the OpenHCI controller.
    339  * Events from 16 to 31 are four-bit IEEE 1394 ack codes or'ed with bit 4 set.
    340  */
    341 #define	OHCI_CTXCTL_EVENT_NO_STATUS		0
    342 #define	OHCI_CTXCTL_EVENT_RESERVED1		1
    343 
    344 /* The received data length was greater than the buffer's data_length.
    345  */
    346 #define	OHCI_CTXCTL_EVENT_LONG_PACKET		2
    347 
    348 /* A subaction gap was detected before an ack arrived or the received
    349  * ack had a parity error.
    350  */
    351 #define	OHCI_CTXCTL_EVENT_MISSING_ACK		3
    352 
    353 /* Underrun on the corresponding FIFO. The packet was truncated.
    354  */
    355 #define	OHCI_CTXCTL_EVENT_UNDERRUN		4
    356 
    357 /* A receive FIFO overflowed during the reception of an isochronous packet.
    358  */
    359 #define	OHCI_CTXCTL_EVENT_OVERRUN		5
    360 
    361 /* An unrecoverable error occurred while the Host Controller was reading
    362  * a descriptor block.
    363  */
    364 #define	OHCI_CTXCTL_EVENT_DESCRIPTOR_READ	6
    365 
    366 /* An error occurred while the Host Controller was attempting to read
    367  * from host memory in the data stage of descriptor processing.
    368  */
    369 #define	OHCI_CTXCTL_EVENT_DATA_READ		7
    370 
    371 /* An error occurred while the Host Controller was attempting to write
    372  * to host memory either in the data stage of descriptor processing
    373  * (AR, IR), or when processing a single 16-bit host * memory write (IT).
    374  */
    375 #define	OHCI_CTXCTL_EVENT_DATA_WRITE		8
    376 
    377 /* Identifies a PHY packet in the receive buffer as being the synthesized
    378  * bus reset packet.  (See section 8.4.2.3).
    379  */
    380 #define	OHCI_CTXCTL_EVENT_BUS_RESET		9
    381 
    382 /* Indicates that the asynchronous transmit response packet expired and
    383  * was not transmitted, or that an IT DMA context experienced a skip
    384  * processing overflow (See section 9.3.3).
    385  */
    386 #define	OHCI_CTXCTL_EVENT_TIMEOUT		10
    387 
    388 /* A bad tCode is associated with this packet. The packet was flushed.
    389  */
    390 #define	OHCI_CTXCTL_EVENT_TCODE_ERR		11
    391 #define	OHCI_CTXCTL_EVENT_RESERVED12		12
    392 #define	OHCI_CTXCTL_EVENT_RESERVED13		13
    393 
    394 /* An error condition has occurred that cannot be represented
    395  * by any other event codes defined herein.
    396  */
    397 #define	OHCI_CTXCTL_EVENT_UNKNOWN		14
    398 
    399 /* Sent by the link side of the output FIFO when asynchronous
    400  * packets are being flushed due to a bus reset.
    401  */
    402 #define	OHCI_CTXCTL_EVENT_FLUSHED		15
    403 
    404 /* IEEE1394 derived ACK codes follow
    405  */
    406 #define	OHCI_CTXCTL_EVENT_RESERVED16		16
    407 
    408 /* For asynchronous request and response packets, this event
    409  * indicates the destination node has successfully accepted
    410  * the packet. If the packet was a request subaction, the
    411  * destination node has successfully completed the transaction
    412  * and no response subaction shall follow.  The event code for
    413  * transmitted PHY, isochronous, asynchronous stream and broadcast
    414  * packets, none of which yields a 1394 ack code, shall be set
    415  * by hardware to ack_complete unless an event occurs.
    416  */
    417 #define	OHCI_CTXCTL_EVENT_ACK_COMPLETE		17
    418 
    419 /* The destination node has successfully accepted the packet.
    420  * If the packet was a request subaction, a response subaction
    421  * should follow at a later time. This code is not returned for
    422  * a response subaction.
    423  */
    424 #define	OHCI_CTXCTL_EVENT_ACK_PENDING		18
    425 #define	OHCI_CTXCTL_EVENT_RESERVED19		19
    426 
    427 /* The packet could not be accepted after max ATRetries (see
    428  * section 5.4) attempts, and the last ack received was ack_busy_X.
    429  */
    430 #define	OHCI_CTXCTL_EVENT_ACK_BUSY_X		20
    431 
    432 /* The packet could not be accepted after max ATRetries (see
    433  * section 5.4) attempts, and the last ack received was ack_busy_A.
    434  */
    435 #define	OHCI_CTXCTL_EVENT_ACK_BUSY_A		21
    436 
    437 /* The packet could not be accepted after max AT Retries (see
    438  * section 5.4) attempts, and the last ack received was ack_busy_B.
    439  */
    440 #define	OHCI_CTXCTL_EVENT_ACK_BUSY_B		22
    441 #define	OHCI_CTXCTL_EVENT_RESERVED23		23
    442 #define	OHCI_CTXCTL_EVENT_RESERVED24		24
    443 #define	OHCI_CTXCTL_EVENT_RESERVED25		25
    444 #define	OHCI_CTXCTL_EVENT_RESERVED26		26
    445 
    446 /* The destination node could not accept the packet because
    447  * the link and higher layers are in a suspended state.
    448  */
    449 #define	OHCI_CTXCTL_EVENT_ACK_TARDY		27
    450 #define	OHCI_CTXCTL_EVENT_RESERVED28		28
    451 
    452 /* An AT context received an ack_data_error, or an IR context
    453  * in packet-per-buffer mode detected a data field CRC or
    454  * data_length error.
    455  */
    456 #define	OHCI_CTXCTL_EVENT_ACK_DATA_ERROR	29
    457 
    458 /* A field in the request packet header was set to an unsupported or
    459  * incorrect value, or an invalid transaction was attempted (e.g., a
    460  * write to a read-only address).
    461  */
    462 #define	OHCI_CTXCTL_EVENT_ACK_TYPE_ERROR	30
    463 #define	OHCI_CTXCTL_EVENT_RESERVED31		31
    464 
    465 /* Context Control for isochronous transmit context
    466  */
    467 #define	OHCI_CTXCTL_TX_CYCLE_MATCH_ENABLE	0x80000000
    468 #define	OHCI_CTXCTL_TX_CYCLE_MATCH_BITLEN	0x7fff0000
    469 #define	OHCI_CTXCTL_TX_CYCLE_MATCH_BITPOS	16
    470 
    471 #define OHCI_CTXCTL_RX_BUFFER_FILL		0x80000000
    472 #define	OHCI_CTXCTL_RX_ISOCH_HEADER		0x40000000
    473 #define	OHCI_CTXCTL_RX_CYCLE_MATCH_ENABLE	0x20000000
    474 #define	OHCI_CTXCTL_RX_MULTI_CHAN_MODE		0x10000000
    475 #define	OHCI_CTXCTL_RX_DUAL_BUFFER_MODE		0x08000000
    476 
    477 /* Context Match registers
    478  */
    479 #define	OHCI_CTXMATCH_TAG3			0x80000000
    480 #define	OHCI_CTXMATCH_TAG2			0x40000000
    481 #define	OHCI_CTXMATCH_TAG1			0x20000000
    482 #define	OHCI_CTXMATCH_TAG0			0x10000000
    483 #define	OHCI_CTXMATCH_CYCLE_MATCH_MASK		0x07fff000
    484 #define	OHCI_CTXMATCH_CYCLE_MATCH_BITPOS	12
    485 #define	OHCI_CTXMATCH_SYNC_MASK			0x00000f00
    486 #define	OHCI_CTXMATCH_SYNC_BITPOS		8
    487 #define	OHCI_CTXMATCH_TAG1_SYNC_FILTER		0x00000040
    488 #define	OHCI_CTXMATCH_CHANNEL_NUMBER_MASK	0x0000003f
    489 #define	OHCI_CTXMATCH_CHANNEL_NUMBER_BITPOS	0
    490 
    491 /*
    492  * Miscellaneous definitions.
    493  */
    494 
    495 #define	OHCI_TCODE_PHY				0xe
    496 
    497 #if BYTE_ORDER == BIG_ENDIAN
    498 struct fwohci_desc {
    499 	u_int16_t	fd_flags;
    500 	u_int16_t	fd_reqcount;
    501 	u_int32_t	fd_data;
    502 	u_int32_t	fd_branch;
    503 	u_int16_t	fd_status;
    504 	u_int16_t	fd_rescount;
    505 };
    506 #endif
    507 #if BYTE_ORDER == LITTLE_ENDIAN
    508 struct fwohci_desc {
    509 	u_int16_t	fd_reqcount;
    510 	u_int16_t	fd_flags;
    511 	u_int32_t	fd_data;
    512 	u_int32_t	fd_branch;
    513 	u_int16_t	fd_rescount;
    514 	u_int16_t	fd_status;
    515 };
    516 #endif
    517 #define	fd_timestamp	fd_rescount
    518 
    519 #define	OHCI_DESC_INPUT		0x2000
    520 #define	OHCI_DESC_LAST		0x1000
    521 #define	OHCI_DESC_STATUS	0x0800
    522 #define	OHCI_DESC_IMMED		0x0200
    523 #define	OHCI_DESC_PING		0x0080
    524 #define	OHCI_DESC_INTR_ALWAYS	0x0030
    525 #define	OHCI_DESC_INTR_ERR	0x0010
    526 #define	OHCI_DESC_BRANCH	0x000c
    527 #define	OHCI_DESC_WAIT		0x0003
    528 
    529 #define	OHCI_DESC_MAX		8
    530 
    531 #endif	/* _DEV_IEEE1394_FWOHCIREG_ */
    532