1/** @file
2  Definitions for ASIX AX88772 Ethernet adapter.
3
4  Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
5  This program and the accompanying materials
6  are licensed and made available under the terms and conditions of the BSD License
7  which accompanies this distribution.  The full text of the license may be found at
8  http://opensource.org/licenses/bsd-license.php
9
10  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13**/
14
15#ifndef _AX88772_H_
16#define _AX88772_H_
17
18#include <Uefi.h>
19
20#include <Guid/EventGroup.h>
21
22#include <IndustryStandard/Pci.h>
23
24#include <Library/BaseMemoryLib.h>
25#include <Library/DebugLib.h>
26#include <Library/DevicePathLib.h>
27#include <Library/UefiBootServicesTableLib.h>
28#include <Library/UefiDriverEntryPoint.h>
29#include <Library/UefiLib.h>
30#include <Library/UefiRuntimeLib.h>
31
32#include <Protocol/DevicePath.h>
33#include <Protocol/LoadedImage.h>
34#include <Protocol/NetworkInterfaceIdentifier.h>
35#include <Protocol/SimpleNetwork.h>
36#include <Protocol/UsbIo.h>
37
38//------------------------------------------------------------------------------
39//  Macros
40//------------------------------------------------------------------------------
41//
42//Too many output debug info hangs system in Debug tip
43//
44//#if defined(_MSC_VER)           /* Handle Microsoft VC++ compiler specifics. */
45//#define DBG_ENTER()             DEBUG (( DEBUG_INFO, "Entering " __FUNCTION__ "\n" )) ///<  Display routine entry
46//#define DBG_EXIT()              DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ "\n" ))  ///<  Display routine exit
47//#define DBG_EXIT_DEC(Status)    DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: %d\n", Status ))      ///<  Display routine exit with decimal value
48//#define DBG_EXIT_HEX(Status)    DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: 0x%08x\n", Status ))  ///<  Display routine exit with hex value
49//#define DBG_EXIT_STATUS(Status) DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: %r\n", Status ))      ///<  Display routine exit with status value
50//#define DBG_EXIT_TF(Status)     DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", returning %s\n", (FALSE == Status) ? L"FALSE" : L"TRUE" ))  ///<  Display routine with TRUE/FALSE value
51//#else   //  _MSC_VER
52#define DBG_ENTER()               ///<  Display routine entry
53#define DBG_EXIT()                ///<  Display routine exit
54#define DBG_EXIT_DEC(Status)      ///<  Display routine exit with decimal value
55#define DBG_EXIT_HEX(Status)      ///<  Display routine exit with hex value
56#define DBG_EXIT_STATUS(Status)   ///<  Display routine exit with status value
57#define DBG_EXIT_TF(Status)       ///<  Display routine with TRUE/FALSE value
58//#endif  //  _MSC_VER
59
60#define USB_IS_IN_ENDPOINT(EndPointAddr)      (((EndPointAddr) & BIT7) != 0)  ///<  Return TRUE/FALSE for IN direction
61#define USB_IS_OUT_ENDPOINT(EndPointAddr)     (((EndPointAddr) & BIT7) == 0)  ///<  Return TRUE/FALSE for OUT direction
62#define USB_IS_BULK_ENDPOINT(Attribute)       (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_BULK)      ///<  Return TRUE/FALSE for BULK type
63#define USB_IS_INTERRUPT_ENDPOINT(Attribute)  (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) ///<  Return TRUE/FALSE for INTERRUPT type
64
65//------------------------------------------------------------------------------
66//  Constants
67//------------------------------------------------------------------------------
68
69#define DEBUG_RX_BROADCAST  0x40000000  ///<  Display RX broadcast messages
70#define DEBUG_RX_MULTICAST  0x20000000  ///<  Display RX multicast messages
71#define DEBUG_RX_UNICAST    0x10000000  ///<  Display RX unicast messages
72#define DEBUG_MAC_ADDRESS   0x08000000  ///<  Display the MAC address
73#define DEBUG_LINK          0x04000000  ///<  Display the link status
74#define DEBUG_TX            0x02000000  ///<  Display the TX messages
75#define DEBUG_PHY           0x01000000  ///<  Display the PHY register values
76#define DEBUG_SROM          0x00800000  ///<  Display the SROM contents
77#define DEBUG_TIMER         0x00400000  ///<  Display the timer routine entry/exit
78#define DEBUG_TPL           0x00200000  ///<  Display the timer routine entry/exit
79
80#define AX88772_MAX_PKT_SIZE  ( 2048 - 4 )  ///< Maximum packet size
81#define ETHERNET_HEADER_SIZE  sizeof ( ETHERNET_HEADER )  ///<  Size in bytes of the Ethernet header
82#define MIN_ETHERNET_PKT_SIZE 60    ///<  Minimum packet size including Ethernet header
83#define MAX_ETHERNET_PKT_SIZE 1500  ///<  Ethernet spec 3.1.1: Minimum packet size
84#define MAX_BULKIN_SIZE       2048  ///<  Maximum size of one UsbBulk
85
86
87#define USB_NETWORK_CLASS   0x09    ///<  USB Network class code
88#define USB_BUS_TIMEOUT     1000    ///<  USB timeout in milliseconds
89
90#define TIMER_MSEC          20              ///<  Polling interval for the NIC
91#define TPL_AX88772         TPL_CALLBACK    ///<  TPL for routine synchronization
92
93/**
94  Verify new TPL value
95
96  This macro which is enabled when debug is enabled verifies that
97  the new TPL value is >= the current TPL value.
98**/
99#ifdef VERIFY_TPL
100#undef VERIFY_TPL
101#endif  //  VERIFY_TPL
102
103#if !defined(MDEPKG_NDEBUG)
104
105#define VERIFY_TPL(tpl)                           \
106{                                                 \
107  EFI_TPL PreviousTpl;                            \
108                                                  \
109  PreviousTpl = gBS->RaiseTPL ( TPL_HIGH_LEVEL ); \
110  gBS->RestoreTPL ( PreviousTpl );                \
111  if ( PreviousTpl > tpl ) {                      \
112    DEBUG (( DEBUG_ERROR, "Current TPL: %d, New TPL: %d\r\n", PreviousTpl, tpl ));  \
113    ASSERT ( PreviousTpl <= tpl );                \
114  }                                               \
115}
116
117#else   //  MDEPKG_NDEBUG
118
119#define VERIFY_TPL(tpl)
120
121#endif  //  MDEPKG_NDEBUG
122
123//------------------------------------------------------------------------------
124//  Hardware Definition
125//------------------------------------------------------------------------------
126
127#define DEV_SIGNATURE     SIGNATURE_32 ('A','X','8','8')  ///<  Signature of data structures in memory
128
129#define VENDOR_ID         0x0b95  ///<  Vendor ID for Asix
130#define PRODUCT_ID        0x7720  ///<  Product ID for the AX88772 USB 10/100 Ethernet controller
131
132#define RESET_MSEC        1000    ///<  Reset duration
133#define PHY_RESET_MSEC     500    ///<  PHY reset duration
134
135//
136//  RX Control register
137//
138
139#define RXC_PRO           0x0001  ///<  Receive all packets
140#define RXC_AMALL         0x0002  ///<  Receive all multicast packets
141#define RXC_SEP           0x0004  ///<  Save error packets
142#define RXC_AB            0x0008  ///<  Receive broadcast packets
143#define RXC_AM            0x0010  ///<  Use multicast destination address hash table
144#define RXC_AP            0x0020  ///<  Accept physical address from Multicast Filter
145#define RXC_SO            0x0080  ///<  Start operation
146#define RXC_MFB           0x0300  ///<  Maximum frame burst
147#define RXC_MFB_2048      0       ///<  Maximum frame size:  2048 bytes
148#define RXC_MFB_4096      0x0100  ///<  Maximum frame size:  4096 bytes
149#define RXC_MFB_8192      0x0200  ///<  Maximum frame size:  8192 bytes
150#define RXC_MFB_16384     0x0300  ///<  Maximum frame size: 16384 bytes
151
152//
153//  Medium Status register
154//
155
156#define MS_FD             0x0002  ///<  Full duplex
157#define MS_ONE            0x0004  ///<  Must be one
158#define MS_RFC            0x0010  ///<  RX flow control enable
159#define MS_TFC            0x0020  ///<  TX flow control enable
160#define MS_PF             0x0080  ///<  Pause frame enable
161#define MS_RE             0x0100  ///<  Receive enable
162#define MS_PS             0x0200  ///<  Port speed 1=100, 0=10 Mbps
163#define MS_SBP            0x0800  ///<  Stop back pressure
164#define MS_SM             0x1000  ///<  Super MAC support
165
166//
167//  Software PHY Select register
168//
169
170#define SPHY_PSEL         0x01    ///<  Select internal PHY
171#define SPHY_ASEL         0x02    ///<  1=Auto select, 0=Manual select
172
173//
174//  Software Reset register
175//
176
177#define SRR_RR            0x01    ///<  Clear receive frame length error
178#define SRR_RT            0x02    ///<  Clear transmit frame length error
179#define SRR_PRTE          0x04    ///<  External PHY reset pin tri-state enable
180#define SRR_PRL           0x08    ///<  External PHY reset pin level
181#define SRR_BZ            0x10    ///<  Force Bulk to return zero length packet
182#define SRR_IPRL          0x20    ///<  Internal PHY reset control
183#define SRR_IPPD          0x40    ///<  Internal PHY power down
184
185//
186//  PHY ID values
187//
188
189#define PHY_ID_INTERNAL   0x0010  ///<  Internal PHY
190
191//
192//  USB Commands
193//
194
195#define CMD_PHY_ACCESS_SOFTWARE   0x06  ///<  Software in control of PHY
196#define CMD_PHY_REG_READ          0x07  ///<  Read PHY register, Value: PHY, Index: Register, Data: Register value
197#define CMD_PHY_REG_WRITE         0x08  ///<  Write PHY register, Value: PHY, Index: Register, Data: New 16-bit value
198#define CMD_PHY_ACCESS_HARDWARE   0x0a  ///<  Hardware in control of PHY
199#define CMD_SROM_READ             0x0b  ///<  Read SROM register: Value: Address, Data: Value
200#define CMD_RX_CONTROL_WRITE      0x10  ///<  Set the RX control register, Value: New value
201#define CMD_GAPS_WRITE            0x12  ///<  Write the gaps register, Value: New value
202#define CMD_MAC_ADDRESS_READ      0x13  ///<  Read the MAC address, Data: 6 byte MAC address
203#define CMD_MAC_ADDRESS_WRITE     0x14  ///<  Set the MAC address, Data: New 6 byte MAC address
204#define CMD_MULTICAST_HASH_WRITE  0x16  ///<  Write the multicast hash table, Data: New 8 byte value
205#define CMD_MEDIUM_STATUS_READ    0x1a  ///<  Read medium status register, Data: Register value
206#define CMD_MEDIUM_STATUS_WRITE   0x1b  ///<  Write medium status register, Value: New value
207#define CMD_RESET                 0x20  ///<  Reset register, Value: New value
208#define CMD_PHY_SELECT            0x22  ///<  PHY select register, Value: New value
209
210//------------------------------
211//  USB Endpoints
212//------------------------------
213
214#define CONTROL_ENDPOINT                0       ///<  Control endpoint
215#define INTERRUPT_ENDPOINT              1       ///<  Interrupt endpoint
216#define BULK_IN_ENDPOINT                2       ///<  Receive endpoint
217#define BULK_OUT_ENDPOINT               3       ///<  Transmit endpoint
218
219//------------------------------
220//  PHY Registers
221//------------------------------
222
223#define PHY_BMCR                        0       ///<  Control register
224#define PHY_BMSR                        1       ///<  Status register
225#define PHY_ANAR                        4       ///<  Autonegotiation advertisement register
226#define PHY_ANLPAR                      5       ///<  Autonegotiation link parter ability register
227#define PHY_ANER                        6       ///<  Autonegotiation expansion register
228
229//  BMCR - Register 0
230
231#define BMCR_RESET                      0x8000  ///<  1 = Reset the PHY, bit clears after reset
232#define BMCR_LOOPBACK                   0x4000  ///<  1 = Loopback enabled
233#define BMCR_100MBPS                    0x2000  ///<  100 Mbits/Sec
234#define BMCR_10MBPS                     0       ///<  10 Mbits/Sec
235#define BMCR_AUTONEGOTIATION_ENABLE     0x1000  ///<  1 = Enable autonegotiation
236#define BMCR_POWER_DOWN                 0x0800  ///<  1 = Power down
237#define BMCR_ISOLATE                    0x0400  ///<  0 = Isolate PHY
238#define BMCR_RESTART_AUTONEGOTIATION    0x0200  ///<  1 = Restart autonegotiation
239#define BMCR_FULL_DUPLEX                0x0100  ///<  Full duplex operation
240#define BMCR_HALF_DUPLEX                0       ///<  Half duplex operation
241#define BMCR_COLLISION_TEST             0x0080  ///<  1 = Collision test enabled
242
243//  BSMR - Register 1
244
245#define BMSR_100BASET4                  0x8000  ///<  1 = 100BASE-T4 mode
246#define BMSR_100BASETX_FDX              0x4000  ///<  1 = 100BASE-TX full duplex
247#define BMSR_100BASETX_HDX              0x2000  ///<  1 = 100BASE-TX half duplex
248#define BMSR_10BASET_FDX                0x1000  ///<  1 = 10BASE-T full duplex
249#define BMSR_10BASET_HDX                0x0800  ///<  1 = 10BASE-T half duplex
250#define BMSR_MF                         0x0040  ///<  1 = PHY accepts frames with preamble suppressed
251#define BMSR_AUTONEG_CMPLT              0x0020  ///<  1 = Autonegotiation complete
252#define BMSR_RF                         0x0010  ///<  1 = Remote fault
253#define BMSR_AUTONEG                    0x0008  ///<  1 = Able to perform autonegotiation
254#define BMSR_LINKST                     0x0004  ///<  1 = Link up
255#define BMSR_JABBER_DETECT              0x0002  ///<  1 = jabber condition detected
256#define BMSR_EXTENDED_CAPABILITY        0x0001  ///<  1 = Extended register capable
257
258//  ANAR and ANLPAR Registers 4, 5
259
260#define AN_NP                           0x8000  ///<  1 = Next page available
261#define AN_ACK                          0x4000  ///<  1 = Link partner acknowledged
262#define AN_RF                           0x2000  ///<  1 = Remote fault indicated by link partner
263#define AN_FCS                          0x0400  ///<  1 = Flow control ability
264#define AN_T4                           0x0200  ///<  1 = 100BASE-T4 support
265#define AN_TX_FDX                       0x0100  ///<  1 = 100BASE-TX Full duplex
266#define AN_TX_HDX                       0x0080  ///<  1 = 100BASE-TX support
267#define AN_10_FDX                       0x0040  ///<  1 = 10BASE-T Full duplex
268#define AN_10_HDX                       0x0020  ///<  1 = 10BASE-T support
269#define AN_CSMA_CD                      0x0001  ///<  1 = IEEE 802.3 CSMA/CD support
270
271//------------------------------------------------------------------------------
272//  Data Types
273//------------------------------------------------------------------------------
274
275/**
276  Ethernet header layout
277
278  IEEE 802.3-2002 Part 3 specification, section 3.1.1.
279**/
280#pragma pack(1)
281typedef struct {
282  UINT8 dest_addr[PXE_HWADDR_LEN_ETHER];  ///<  Destination LAN address
283  UINT8 src_addr[PXE_HWADDR_LEN_ETHER];   ///<  Source LAN address
284  UINT16 type;                            ///<  Protocol or length
285} ETHERNET_HEADER;
286#pragma pack()
287
288/**
289  Receive and Transmit packet structure
290**/
291#pragma pack(1)
292typedef struct _RX_TX_PACKET {
293  struct _RX_TX_PACKET * pNext;       ///<  Next receive packet
294  UINT16 Length;                      ///<  Packet length
295  UINT16 LengthBar;                   ///<  Complement of the length
296  UINT8 Data[ AX88772_MAX_PKT_SIZE ]; ///<  Received packet data
297} RX_TX_PACKET;
298#pragma pack()
299
300/**
301  AX88772 control structure
302
303  The driver uses this structure to manage the Asix AX88772 10/100
304  Ethernet controller.
305**/
306typedef struct {
307  UINTN Signature;          ///<  Structure identification
308
309  //
310  //  USB data
311  //
312  EFI_HANDLE Controller;        ///<  Controller handle
313  EFI_USB_IO_PROTOCOL * pUsbIo; ///<  USB driver interface
314
315  //
316  //  Simple network protocol data
317  //
318  EFI_SIMPLE_NETWORK_PROTOCOL SimpleNetwork;  ///<  Driver's network stack interface
319  EFI_SIMPLE_NETWORK_MODE SimpleNetworkData;  ///<  Data for simple network
320
321  //
322  // Ethernet controller data
323  //
324  BOOLEAN bInitialized;     ///<  Controller initialized
325  VOID * pTxBuffer;         ///<  Last transmit buffer
326  UINT16 PhyId;             ///<  PHY ID
327
328  //
329  //  Link state
330  //
331  BOOLEAN b100Mbps;         ///<  Current link speed, FALSE = 10 Mbps
332  BOOLEAN bComplete;        ///<  Current state of auto-negotiation
333  BOOLEAN bFullDuplex;      ///<  Current duplex
334  BOOLEAN bLinkUp;          ///<  Current link state
335  BOOLEAN bLinkIdle;        ///<  TRUE = No received traffic
336  EFI_EVENT Timer;          ///<  Timer to monitor link state and receive packets
337  UINTN PollCount;          ///<  Number of times the autonegotiation status was polled
338
339  //
340  //  Receive buffer list
341  //
342  RX_TX_PACKET * pRxHead;   ///<  Head of receive packet list
343  RX_TX_PACKET * pRxTail;   ///<  Tail of receive packet list
344  RX_TX_PACKET * pRxFree;   ///<  Free packet list
345  INT32 MulticastHash[2];   ///<  Hash table for multicast destination addresses
346  UINT8 * pBulkInBuff;      ///<  Buffer for Usb Bulk
347} NIC_DEVICE;
348
349#define DEV_FROM_SIMPLE_NETWORK(a)  CR (a, NIC_DEVICE, SimpleNetwork, DEV_SIGNATURE)  ///< Locate NIC_DEVICE from Simple Network Protocol
350
351//------------------------------------------------------------------------------
352// Simple Network Protocol
353//------------------------------------------------------------------------------
354
355/**
356  Reset the network adapter.
357
358  Resets a network adapter and reinitializes it with the parameters that
359  were provided in the previous call to Initialize ().  The transmit and
360  receive queues are cleared.  Receive filters, the station address, the
361  statistics, and the multicast-IP-to-HW MAC addresses are not reset by
362  this call.
363
364  This routine calls ::Ax88772Reset to perform the adapter specific
365  reset operation.  This routine also starts the link negotiation
366  by calling ::Ax88772NegotiateLinkStart.
367
368  @param [in] pSimpleNetwork    Protocol instance pointer
369  @param [in] bExtendedVerification  Indicates that the driver may perform a more
370                                exhaustive verification operation of the device
371                                during reset.
372
373  @retval EFI_SUCCESS           This operation was successful.
374  @retval EFI_NOT_STARTED       The network interface was not started.
375  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
376                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
377  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
378  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
379
380**/
381EFI_STATUS
382EFIAPI
383SN_Reset (
384  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
385  IN BOOLEAN bExtendedVerification
386  );
387
388/**
389  Initialize the simple network protocol.
390
391  This routine calls ::Ax88772MacAddressGet to obtain the
392  MAC address.
393
394  @param [in] pNicDevice       NIC_DEVICE_INSTANCE pointer
395
396  @retval EFI_SUCCESS     Setup was successful
397
398**/
399EFI_STATUS
400SN_Setup (
401  IN NIC_DEVICE * pNicDevice
402  );
403
404/**
405  This routine starts the network interface.
406
407  @param [in] pSimpleNetwork    Protocol instance pointer
408
409  @retval EFI_SUCCESS           This operation was successful.
410  @retval EFI_ALREADY_STARTED   The network interface was already started.
411  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
412                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
413  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
414  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
415
416**/
417EFI_STATUS
418EFIAPI
419SN_Start (
420  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
421  );
422
423/**
424  Set the MAC address.
425
426  This function modifies or resets the current station address of a
427  network interface.  If Reset is TRUE, then the current station address
428  is set ot the network interface's permanent address.  If Reset if FALSE
429  then the current station address is changed to the address specified by
430  pNew.
431
432  This routine calls ::Ax88772MacAddressSet to update the MAC address
433  in the network adapter.
434
435  @param [in] pSimpleNetwork    Protocol instance pointer
436  @param [in] bReset            Flag used to reset the station address to the
437                                network interface's permanent address.
438  @param [in] pNew              New station address to be used for the network
439                                interface.
440
441  @retval EFI_SUCCESS           This operation was successful.
442  @retval EFI_NOT_STARTED       The network interface was not started.
443  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
444                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
445  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
446  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
447
448**/
449EFI_STATUS
450EFIAPI
451SN_StationAddress (
452  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
453  IN BOOLEAN bReset,
454  IN EFI_MAC_ADDRESS * pNew
455  );
456
457/**
458  This function resets or collects the statistics on a network interface.
459  If the size of the statistics table specified by StatisticsSize is not
460  big enough for all of the statistics that are collected by the network
461  interface, then a partial buffer of statistics is returned in
462  StatisticsTable.
463
464  @param [in] pSimpleNetwork    Protocol instance pointer
465  @param [in] bReset            Set to TRUE to reset the statistics for the network interface.
466  @param [in, out] pStatisticsSize  On input the size, in bytes, of StatisticsTable.  On output
467                                the size, in bytes, of the resulting table of statistics.
468  @param [out] pStatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
469                                conains the statistics.
470
471  @retval EFI_SUCCESS           This operation was successful.
472  @retval EFI_NOT_STARTED       The network interface was not started.
473  @retval EFI_BUFFER_TOO_SMALL  The pStatisticsTable is NULL or the buffer is too small.
474  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
475                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
476  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
477  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
478
479**/
480EFI_STATUS
481EFIAPI
482SN_Statistics (
483  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
484  IN BOOLEAN bReset,
485  IN OUT UINTN * pStatisticsSize,
486  OUT EFI_NETWORK_STATISTICS * pStatisticsTable
487  );
488
489/**
490  This function stops a network interface.  This call is only valid
491  if the network interface is in the started state.
492
493  @param [in] pSimpleNetwork    Protocol instance pointer
494
495  @retval EFI_SUCCESS           This operation was successful.
496  @retval EFI_NOT_STARTED       The network interface was not started.
497  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
498                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
499  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
500  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
501
502**/
503EFI_STATUS
504EFIAPI
505SN_Stop (
506  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
507  );
508
509/**
510  This function releases the memory buffers assigned in the Initialize() call.
511  Pending transmits and receives are lost, and interrupts are cleared and disabled.
512  After this call, only Initialize() and Stop() calls may be used.
513
514  @param [in] pSimpleNetwork    Protocol instance pointer
515
516  @retval EFI_SUCCESS           This operation was successful.
517  @retval EFI_NOT_STARTED       The network interface was not started.
518  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
519                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
520  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
521  @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
522
523**/
524EFI_STATUS
525EFIAPI
526SN_Shutdown (
527  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
528  );
529
530/**
531  Send a packet over the network.
532
533  This function places the packet specified by Header and Buffer on
534  the transmit queue.  This function performs a non-blocking transmit
535  operation.  When the transmit is complete, the buffer is returned
536  via the GetStatus() call.
537
538  This routine calls ::Ax88772Rx to empty the network adapter of
539  receive packets.  The routine then passes the transmit packet
540  to the network adapter.
541
542  @param [in] pSimpleNetwork    Protocol instance pointer
543  @param [in] HeaderSize        The size, in bytes, of the media header to be filled in by
544                                the Transmit() function.  If HeaderSize is non-zero, then
545                                it must be equal to SimpleNetwork->Mode->MediaHeaderSize
546                                and DestAddr and Protocol parameters must not be NULL.
547  @param [in] BufferSize        The size, in bytes, of the entire packet (media header and
548                                data) to be transmitted through the network interface.
549  @param [in] pBuffer           A pointer to the packet (media header followed by data) to
550                                to be transmitted.  This parameter can not be NULL.  If
551                                HeaderSize is zero, then the media header is Buffer must
552                                already be filled in by the caller.  If HeaderSize is nonzero,
553                                then the media header will be filled in by the Transmit()
554                                function.
555  @param [in] pSrcAddr          The source HW MAC address.  If HeaderSize is zero, then
556                                this parameter is ignored.  If HeaderSize is nonzero and
557                                SrcAddr is NULL, then SimpleNetwork->Mode->CurrentAddress
558                                is used for the source HW MAC address.
559  @param [in] pDestAddr         The destination HW MAC address.  If HeaderSize is zero, then
560                                this parameter is ignored.
561  @param [in] pProtocol         The type of header to build.  If HeaderSize is zero, then
562                                this parameter is ignored.
563
564  @retval EFI_SUCCESS           This operation was successful.
565  @retval EFI_NOT_STARTED       The network interface was not started.
566  @retval EFI_NOT_READY         The network interface is too busy to accept this transmit request.
567  @retval EFI_BUFFER_TOO_SMALL  The BufferSize parameter is too small.
568  @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
569                                EFI_SIMPLE_NETWORK_PROTOCOL structure.
570  @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
571
572**/
573EFI_STATUS
574EFIAPI
575SN_Transmit (
576  IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
577  IN UINTN HeaderSize,
578  IN UINTN BufferSize,
579  IN VOID * pBuffer,
580  IN EFI_MAC_ADDRESS * pSrcAddr,
581  IN EFI_MAC_ADDRESS * pDestAddr,
582  IN UINT16 * pProtocol
583  );
584
585//------------------------------------------------------------------------------
586// Support Routines
587//------------------------------------------------------------------------------
588
589/**
590  Get the MAC address
591
592  This routine calls ::Ax88772UsbCommand to request the MAC
593  address from the network adapter.
594
595  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
596  @param [out] pMacAddress      Address of a six byte buffer to receive the MAC address.
597
598  @retval EFI_SUCCESS          The MAC address is available.
599  @retval other                The MAC address is not valid.
600
601**/
602EFI_STATUS
603Ax88772MacAddressGet (
604  IN NIC_DEVICE * pNicDevice,
605  OUT UINT8 * pMacAddress
606  );
607
608/**
609  Set the MAC address
610
611  This routine calls ::Ax88772UsbCommand to set the MAC address
612  in the network adapter.
613
614  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
615  @param [in] pMacAddress      Address of a six byte buffer to containing the new MAC address.
616
617  @retval EFI_SUCCESS          The MAC address was set.
618  @retval other                The MAC address was not set.
619
620**/
621EFI_STATUS
622Ax88772MacAddressSet (
623  IN NIC_DEVICE * pNicDevice,
624  IN UINT8 * pMacAddress
625  );
626
627/**
628  Clear the multicast hash table
629
630  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
631
632**/
633VOID
634Ax88772MulticastClear (
635  IN NIC_DEVICE * pNicDevice
636  );
637
638/**
639  Enable a multicast address in the multicast hash table
640
641  This routine calls ::Ax88772Crc to compute the hash bit for
642  this MAC address.
643
644  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
645  @param [in] pMacAddress      Address of a six byte buffer to containing the MAC address.
646
647**/
648VOID
649Ax88772MulticastSet (
650  IN NIC_DEVICE * pNicDevice,
651  IN UINT8 * pMacAddress
652  );
653
654/**
655  Start the link negotiation
656
657  This routine calls ::Ax88772PhyWrite to start the PHY's link
658  negotiation.
659
660  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
661
662  @retval EFI_SUCCESS          The link negotiation was started.
663  @retval other                Failed to start the link negotiation.
664
665**/
666EFI_STATUS
667Ax88772NegotiateLinkStart (
668  IN NIC_DEVICE * pNicDevice
669  );
670
671/**
672  Complete the negotiation of the PHY link
673
674  This routine calls ::Ax88772PhyRead to determine if the
675  link negotiation is complete.
676
677  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
678  @param [in, out] pPollCount  Address of number of times this routine was polled
679  @param [out] pbComplete      Address of boolean to receive complate status.
680  @param [out] pbLinkUp        Address of boolean to receive link status, TRUE=up.
681  @param [out] pbHiSpeed       Address of boolean to receive link speed, TRUE=100Mbps.
682  @param [out] pbFullDuplex    Address of boolean to receive link duplex, TRUE=full.
683
684  @retval EFI_SUCCESS          The MAC address is available.
685  @retval other                The MAC address is not valid.
686
687**/
688EFI_STATUS
689Ax88772NegotiateLinkComplete (
690  IN NIC_DEVICE * pNicDevice,
691  IN OUT UINTN * pPollCount,
692  OUT BOOLEAN * pbComplete,
693  OUT BOOLEAN * pbLinkUp,
694  OUT BOOLEAN * pbHiSpeed,
695  OUT BOOLEAN * pbFullDuplex
696  );
697
698/**
699  Read a register from the PHY
700
701  This routine calls ::Ax88772UsbCommand to read a PHY register.
702
703  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
704  @param [in] RegisterAddress  Number of the register to read.
705  @param [in, out] pPhyData    Address of a buffer to receive the PHY register value
706
707  @retval EFI_SUCCESS          The PHY data is available.
708  @retval other                The PHY data is not valid.
709
710**/
711EFI_STATUS
712Ax88772PhyRead (
713  IN NIC_DEVICE * pNicDevice,
714  IN UINT8 RegisterAddress,
715  IN OUT UINT16 * pPhyData
716  );
717
718/**
719  Write to a PHY register
720
721  This routine calls ::Ax88772UsbCommand to write a PHY register.
722
723  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
724  @param [in] RegisterAddress  Number of the register to read.
725  @param [in] PhyData          Address of a buffer to receive the PHY register value
726
727  @retval EFI_SUCCESS          The PHY data was written.
728  @retval other                Failed to wwrite the PHY register.
729
730**/
731EFI_STATUS
732Ax88772PhyWrite (
733  IN NIC_DEVICE * pNicDevice,
734  IN UINT8 RegisterAddress,
735  IN UINT16 PhyData
736  );
737
738/**
739  Reset the AX88772
740
741  This routine uses ::Ax88772UsbCommand to reset the network
742  adapter.  This routine also uses ::Ax88772PhyWrite to reset
743  the PHY.
744
745  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
746
747  @retval EFI_SUCCESS          The MAC address is available.
748  @retval other                The MAC address is not valid.
749
750**/
751EFI_STATUS
752Ax88772Reset (
753  IN NIC_DEVICE * pNicDevice
754  );
755
756/**
757  Receive a frame from the network.
758
759  This routine polls the USB receive interface for a packet.  If a packet
760  is available, this routine adds the receive packet to the list of
761  pending receive packets.
762
763  This routine calls ::Ax88772NegotiateLinkComplete to verify
764  that the link is up.  This routine also calls ::SN_Reset to
765  reset the network adapter when necessary.  Finally this
766  routine attempts to receive one or more packets from the
767  network adapter.
768
769  @param [in] pNicDevice  Pointer to the NIC_DEVICE structure
770  @param [in] bUpdateLink TRUE = Update link status
771
772**/
773VOID
774Ax88772Rx (
775  IN NIC_DEVICE * pNicDevice,
776  IN BOOLEAN bUpdateLink
777  );
778
779/**
780  Enable or disable the receiver
781
782  This routine calls ::Ax88772UsbCommand to update the
783  receiver state.  This routine also calls ::Ax88772MacAddressSet
784  to establish the MAC address for the network adapter.
785
786  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
787  @param [in] RxFilter         Simple network RX filter mask value
788
789  @retval EFI_SUCCESS          The MAC address was set.
790  @retval other                The MAC address was not set.
791
792**/
793EFI_STATUS
794Ax88772RxControl (
795  IN NIC_DEVICE * pNicDevice,
796  IN UINT32 RxFilter
797  );
798
799/**
800  Read an SROM location
801
802  This routine calls ::Ax88772UsbCommand to read data from the
803  SROM.
804
805  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
806  @param [in] Address          SROM address
807  @param [out] pData           Buffer to receive the data
808
809  @retval EFI_SUCCESS          The read was successful
810  @retval other                The read failed
811
812**/
813EFI_STATUS
814Ax88772SromRead (
815  IN NIC_DEVICE * pNicDevice,
816  IN UINT32 Address,
817  OUT UINT16 * pData
818  );
819
820/**
821  This routine is called at a regular interval to poll for
822  receive packets.
823
824  This routine polls the link state and gets any receive packets
825  by calling ::Ax88772Rx.
826
827  @param [in] Event            Timer event
828  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
829
830**/
831VOID
832Ax88772Timer (
833  IN EFI_EVENT Event,
834  IN NIC_DEVICE * pNicDevice
835  );
836
837/**
838  Send a command to the USB device.
839
840  @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
841  @param [in] pRequest         Pointer to the request structure
842  @param [in, out] pBuffer     Data buffer address
843
844  @retval EFI_SUCCESS          The USB transfer was successful
845  @retval other                The USB transfer failed
846
847**/
848EFI_STATUS
849Ax88772UsbCommand (
850  IN NIC_DEVICE * pNicDevice,
851  IN USB_DEVICE_REQUEST * pRequest,
852  IN OUT VOID * pBuffer
853  );
854
855//------------------------------------------------------------------------------
856// EFI Component Name Protocol Support
857//------------------------------------------------------------------------------
858
859extern EFI_COMPONENT_NAME_PROTOCOL   gComponentName;  ///<  Component name protocol declaration
860extern EFI_COMPONENT_NAME2_PROTOCOL  gComponentName2; ///<  Component name 2 protocol declaration
861
862/**
863  Retrieves a Unicode string that is the user readable name of the driver.
864
865  This function retrieves the user readable name of a driver in the form of a
866  Unicode string. If the driver specified by This has a user readable name in
867  the language specified by Language, then a pointer to the driver name is
868  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
869  by This does not support the language specified by Language,
870  then EFI_UNSUPPORTED is returned.
871
872  @param [in] pThis             A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
873                                EFI_COMPONENT_NAME_PROTOCOL instance.
874  @param [in] pLanguage         A pointer to a Null-terminated ASCII string
875                                array indicating the language. This is the
876                                language of the driver name that the caller is
877                                requesting, and it must match one of the
878                                languages specified in SupportedLanguages. The
879                                number of languages supported by a driver is up
880                                to the driver writer. Language is specified
881                                in RFC 3066 or ISO 639-2 language code format.
882  @param [out] ppDriverName     A pointer to the Unicode string to return.
883                                This Unicode string is the name of the
884                                driver specified by This in the language
885                                specified by Language.
886
887  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
888                                This and the language specified by Language was
889                                returned in DriverName.
890  @retval EFI_INVALID_PARAMETER Language is NULL.
891  @retval EFI_INVALID_PARAMETER DriverName is NULL.
892  @retval EFI_UNSUPPORTED       The driver specified by This does not support
893                                the language specified by Language.
894
895**/
896EFI_STATUS
897EFIAPI
898GetDriverName (
899  IN  EFI_COMPONENT_NAME_PROTOCOL * pThis,
900  IN  CHAR8 * pLanguage,
901  OUT CHAR16 ** ppDriverName
902  );
903
904
905/**
906  Retrieves a Unicode string that is the user readable name of the controller
907  that is being managed by a driver.
908
909  This function retrieves the user readable name of the controller specified by
910  ControllerHandle and ChildHandle in the form of a Unicode string. If the
911  driver specified by This has a user readable name in the language specified by
912  Language, then a pointer to the controller name is returned in ControllerName,
913  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
914  managing the controller specified by ControllerHandle and ChildHandle,
915  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
916  support the language specified by Language, then EFI_UNSUPPORTED is returned.
917
918  @param [in] pThis             A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
919                                EFI_COMPONENT_NAME_PROTOCOL instance.
920  @param [in] ControllerHandle  The handle of a controller that the driver
921                                specified by This is managing.  This handle
922                                specifies the controller whose name is to be
923                                returned.
924  @param [in] ChildHandle       The handle of the child controller to retrieve
925                                the name of.  This is an optional parameter that
926                                may be NULL.  It will be NULL for device
927                                drivers.  It will also be NULL for a bus drivers
928                                that wish to retrieve the name of the bus
929                                controller.  It will not be NULL for a bus
930                                driver that wishes to retrieve the name of a
931                                child controller.
932  @param [in] pLanguage         A pointer to a Null-terminated ASCII string
933                                array indicating the language.  This is the
934                                language of the driver name that the caller is
935                                requesting, and it must match one of the
936                                languages specified in SupportedLanguages. The
937                                number of languages supported by a driver is up
938                                to the driver writer. Language is specified in
939                                RFC 3066 or ISO 639-2 language code format.
940  @param [out] ppControllerName A pointer to the Unicode string to return.
941                                This Unicode string is the name of the
942                                controller specified by ControllerHandle and
943                                ChildHandle in the language specified by
944                                Language from the point of view of the driver
945                                specified by This.
946
947  @retval EFI_SUCCESS           The Unicode string for the user readable name in
948                                the language specified by Language for the
949                                driver specified by This was returned in
950                                DriverName.
951  @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
952  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
953                                EFI_HANDLE.
954  @retval EFI_INVALID_PARAMETER Language is NULL.
955  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
956  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
957                                managing the controller specified by
958                                ControllerHandle and ChildHandle.
959  @retval EFI_UNSUPPORTED       The driver specified by This does not support
960                                the language specified by Language.
961
962**/
963EFI_STATUS
964EFIAPI
965GetControllerName (
966  IN  EFI_COMPONENT_NAME_PROTOCOL * pThis,
967  IN  EFI_HANDLE ControllerHandle,
968  IN OPTIONAL EFI_HANDLE ChildHandle,
969  IN  CHAR8 * pLanguage,
970  OUT CHAR16 ** ppControllerName
971  );
972
973//------------------------------------------------------------------------------
974
975#endif  //  _AX88772_H_
976