1 /** @file
2   Definitions for ASIX AX88772 Ethernet adapter.
3 
4   Copyright (c) 2011 - 2015, Intel Corporation
5   All rights reserved. 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 #define MAX_QUEUE_SIZE 50
39 #define MAX_BULKIN_SIZE 16384
40 #define HW_HDR_LENGTH 8
41 
42 
43 #define MAX_LINKIDLE_THRESHOLD  20000
44 
45 
46 
47 //------------------------------------------------------------------------------
48 //  Macros
49 //------------------------------------------------------------------------------
50 
51 #if defined(_MSC_VER)           /* Handle Microsoft VC++ compiler specifics. */
52 #define DBG_ENTER()             DEBUG (( 0xffffffff, "Entering " __FUNCTION__ "\n" )) ///<  Display routine entry
53 #define DBG_EXIT()              DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ "\n" ))  ///<  Display routine exit
54 #define DBG_EXIT_DEC(Status)    DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: %d\n", Status ))      ///<  Display routine exit with decimal value
55 #define DBG_EXIT_HEX(Status)    DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: 0x%08x\n", Status ))  ///<  Display routine exit with hex value
56 #define DBG_EXIT_STATUS(Status) DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: %r\n", Status ))      ///<  Display routine exit with status value
57 #define DBG_EXIT_TF(Status)     DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", returning %s\n", (FALSE == Status) ? L"FALSE" : L"TRUE" ))  ///<  Display routine with TRUE/FALSE value
58 #else   //  _MSC_VER
59 #define DBG_ENTER()               ///<  Display routine entry
60 #define DBG_EXIT()                ///<  Display routine exit
61 #define DBG_EXIT_DEC(Status)      ///<  Display routine exit with decimal value
62 #define DBG_EXIT_HEX(Status)      ///<  Display routine exit with hex value
63 #define DBG_EXIT_STATUS(Status)   ///<  Display routine exit with status value
64 #define DBG_EXIT_TF(Status)       ///<  Display routine with TRUE/FALSE value
65 #endif  //  _MSC_VER
66 
67 #define USB_IS_IN_ENDPOINT(EndPointAddr)      (((EndPointAddr) & BIT7) != 0)  ///<  Return TRUE/FALSE for IN direction
68 #define USB_IS_OUT_ENDPOINT(EndPointAddr)     (((EndPointAddr) & BIT7) == 0)  ///<  Return TRUE/FALSE for OUT direction
69 #define USB_IS_BULK_ENDPOINT(Attribute)       (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_BULK)      ///<  Return TRUE/FALSE for BULK type
70 #define USB_IS_INTERRUPT_ENDPOINT(Attribute)  (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) ///<  Return TRUE/FALSE for INTERRUPT type
71 
72 
73 #define PRINT(_L_STR) (gST->ConOut->OutputString(gST->ConOut,(_L_STR)))
74 //------------------------------------------------------------------------------
75 //  Constants
76 //------------------------------------------------------------------------------
77 
78 #define DEBUG_RX_BROADCAST  0x40000000  ///<  Display RX broadcast messages
79 #define DEBUG_RX_MULTICAST  0x20000000  ///<  Display RX multicast messages
80 #define DEBUG_RX_UNICAST    0x10000000  ///<  Display RX unicast messages
81 #define DEBUG_MAC_ADDRESS   0x08000000  ///<  Display the MAC address
82 #define DEBUG_LINK          0x04000000  ///<  Display the link status
83 #define DEBUG_TX            0x02000000  ///<  Display the TX messages
84 #define DEBUG_PHY           0x01000000  ///<  Display the PHY register values
85 #define DEBUG_SROM          0x00800000  ///<  Display the SROM contents
86 #define DEBUG_TIMER         0x00400000  ///<  Display the timer routine entry/exit
87 #define DEBUG_TPL           0x00200000  ///<  Display the timer routine entry/exit
88 
89 #define AX88772_MAX_PKT_SIZE  2048  ///< Maximum packet size
90 
91 #define ETHERNET_HEADER_SIZE  sizeof ( ETHERNET_HEADER )  ///<  Size in bytes of the Ethernet header
92 #define MIN_ETHERNET_PKT_SIZE 60    ///<  Minimum packet size including Ethernet header
93 #define MAX_ETHERNET_PKT_SIZE 1500  ///<  Ethernet spec 3.1.1: Minimum packet size
94 
95 #define USB_NETWORK_CLASS   0x09    ///<  USB Network class code
96 #define USB_BUS_TIMEOUT     1000    ///<  USB timeout in milliseconds
97 
98 #define TIMER_MSEC          20              ///<  Polling interval for the NIC
99 //#define TPL_AX88772         TPL_CALLBACK    ///<  TPL for routine synchronization
100 
101 #define HC_DEBUG  0
102 #define BULKIN_TIMEOUT  20
103 #define AUTONEG_DELAY   500000
104 #define AUTONEG_POLLCNT 20
105 
106 /**
107   Verify new TPL value
108 
109   This macro which is enabled when debug is enabled verifies that
110   the new TPL value is >= the current TPL value.
111 **/
112 #ifdef VERIFY_TPL
113 #undef VERIFY_TPL
114 #endif  //  VERIFY_TPL
115 
116 #if !defined(MDEPKG_NDEBUG)
117 
118 #define VERIFY_TPL(tpl)                           \
119 {                                                 \
120   EFI_TPL PreviousTpl;                            \
121                                                   \
122   PreviousTpl = gBS->RaiseTPL ( TPL_HIGH_LEVEL ); \
123   gBS->RestoreTPL ( PreviousTpl );                \
124   if ( PreviousTpl > tpl ) {                      \
125     DEBUG (( DEBUG_ERROR, "Current TPL: %d, New TPL: %d\r\n", PreviousTpl, tpl ));  \
126     ASSERT ( PreviousTpl <= tpl );                \
127   }                                               \
128 }
129 
130 #else   //  MDEPKG_NDEBUG
131 
132 #define VERIFY_TPL(tpl)
133 
134 #endif  //  MDEPKG_NDEBUG
135 
136 //------------------------------------------------------------------------------
137 //  Hardware Definition
138 //------------------------------------------------------------------------------
139 
140 #define FreeQueueSize     10
141 
142 #define DEV_SIGNATURE     SIGNATURE_32 ('A','X','8','8')  ///<  Signature of data structures in memory
143 
144 #define RESET_MSEC        1000    ///<  Reset duration
145 #define PHY_RESET_MSEC     500    ///<  PHY reset duration
146 
147 //
148 //  RX Control register
149 //
150 
151 #define RXC_PRO           0x0001  ///<  Receive all packets
152 #define RXC_AMALL         0x0002  ///<  Receive all multicast packets
153 #define RXC_SEP           0x0004  ///<  Save error packets
154 #define RXC_AB            0x0008  ///<  Receive broadcast packets
155 #define RXC_AM            0x0010  ///<  Use multicast destination address hash table
156 #define RXC_AP            0x0020  ///<  Accept physical address from Multicast Filter
157 #define RXC_SO            0x0080  ///<  Start operation
158 #define RXC_MFB           0x0300  ///<  Maximum frame burst
159 #define RXC_MFB_2048      0       ///<  Maximum frame size:  2048 bytes
160 #define RXC_MFB_4096      0x0100  ///<  Maximum frame size:  4096 bytes
161 #define RXC_MFB_8192      0x0200  ///<  Maximum frame size:  8192 bytes
162 #define RXC_MFB_16384     0x0300  ///<  Maximum frame size: 16384 bytes
163 
164 /*Freddy*/
165 #define RXC_RH1M          0x0100  ///<  Rx header 1
166 #define RXC_RH2M          0x0200  ///<  Rx header 2
167 #define RXC_RH3M          0x0400  ///<  Rx header 3
168 /*Freddy*/
169 
170 //
171 //  Medium Status register
172 //
173 
174 #define MS_FD             0x0002  ///<  Full duplex
175 #define MS_ONE            0x0004  ///<  Must be one
176 #define MS_RFC            0x0010  ///<  RX flow control enable
177 #define MS_TFC            0x0020  ///<  TX flow control enable
178 #define MS_PF             0x0080  ///<  Pause frame enable
179 #define MS_RE             0x0100  ///<  Receive enable
180 #define MS_PS             0x0200  ///<  Port speed 1=100, 0=10 Mbps
181 #define MS_SBP            0x0800  ///<  Stop back pressure
182 #define MS_SM             0x1000  ///<  Super MAC support
183 
184 //
185 //  Software PHY Select register
186 //
187 
188 #define SPHY_PSEL         (1 << 0)    ///<  Select internal PHY
189 #define SPHY_SSMII        (1 << 2)
190 #define SPHY_SSEN         (1 << 4)
191 #define SPHY_ASEL         0x02    ///<  1=Auto select, 0=Manual select
192 
193 //
194 //  Software Reset register
195 //
196 
197 #define SRR_RR            0x01    ///<  Clear receive frame length error
198 #define SRR_RT            0x02    ///<  Clear transmit frame length error
199 #define SRR_BZTYPE        0x04    ///<  External PHY reset pin tri-state enable
200 #define SRR_PRL           0x08    ///<  External PHY reset pin level
201 #define SRR_BZ            0x10    ///<  Force Bulk to return zero length packet
202 #define SRR_IPRL          0x20    ///<  Internal PHY reset control
203 #define SRR_IPPD          0x40    ///<  Internal PHY power down
204 
205 //
206 //  PHY ID values
207 //
208 
209 #define PHY_ID_INTERNAL   0x0010  ///<  Internal PHY
210 
211 //
212 //  USB Commands
213 //
214 
215 #define CMD_PHY_ACCESS_SOFTWARE   0x06  ///<  Software in control of PHY
216 #define CMD_PHY_REG_READ          0x07  ///<  Read PHY register, Value: PHY, Index: Register, Data: Register value
217 #define CMD_PHY_REG_WRITE         0x08  ///<  Write PHY register, Value: PHY, Index: Register, Data: New 16-bit value
218 #define CMD_PHY_ACCESS_HARDWARE   0x0a  ///<  Hardware in control of PHY
219 #define CMD_SROM_READ             0x0b  ///<  Read SROM register: Value: Address, Data: Value
220 #define CMD_RX_CONTROL_WRITE      0x10  ///<  Set the RX control register, Value: New value
221 #define CMD_GAPS_WRITE            0x12  ///<  Write the gaps register, Value: New value
222 #define CMD_MAC_ADDRESS_READ      0x13  ///<  Read the MAC address, Data: 6 byte MAC address
223 #define CMD_MAC_ADDRESS_WRITE     0x14  ///<  Set the MAC address, Data: New 6 byte MAC address
224 #define CMD_MULTICAST_HASH_WRITE  0x16  ///<  Write the multicast hash table, Data: New 8 byte value
225 #define CMD_MULTICAST_HASH_READ  0x16  ///<  Read the multicast hash table
226 #define CMD_MEDIUM_STATUS_READ    0x1a  ///<  Read medium status register, Data: Register value
227 #define CMD_MEDIUM_STATUS_WRITE   0x1b  ///<  Write medium status register, Value: New value
228 #define CMD_WRITE_GPIOS           0x1f
229 #define CMD_RESET                 0x20  ///<  Reset register, Value: New value
230 #define CMD_PHY_SELECT            0x22  ///<  PHY select register, Value: New value
231 
232 /*Freddy*/
233 #define CMD_RXQTC                 0x2a  ///<  RX Queue Cascade Threshold Control Register
234 /*Freddy*/
235 
236 //------------------------------
237 //  USB Endpoints
238 //------------------------------
239 
240 #define CONTROL_ENDPOINT                0       ///<  Control endpoint
241 #define INTERRUPT_ENDPOINT              1       ///<  Interrupt endpoint
242 #define BULK_IN_ENDPOINT                2       ///<  Receive endpoint
243 #define BULK_OUT_ENDPOINT               3       ///<  Transmit endpoint
244 
245 //------------------------------
246 //  PHY Registers
247 //------------------------------
248 
249 #define PHY_BMCR                        0       ///<  Control register
250 #define PHY_BMSR                        1       ///<  Status register
251 #define PHY_ANAR                        4       ///<  Autonegotiation advertisement register
252 #define PHY_ANLPAR                      5       ///<  Autonegotiation link parter ability register
253 #define PHY_ANER                        6       ///<  Autonegotiation expansion register
254 
255 //  BMCR - Register 0
256 
257 #define BMCR_RESET                      0x8000  ///<  1 = Reset the PHY, bit clears after reset
258 #define BMCR_LOOPBACK                   0x4000  ///<  1 = Loopback enabled
259 #define BMCR_100MBPS                    0x2000  ///<  100 Mbits/Sec
260 #define BMCR_10MBPS                     0       ///<  10 Mbits/Sec
261 #define BMCR_AUTONEGOTIATION_ENABLE     0x1000  ///<  1 = Enable autonegotiation
262 #define BMCR_POWER_DOWN                 0x0800  ///<  1 = Power down
263 #define BMCR_ISOLATE                    0x0400  ///<  0 = Isolate PHY
264 #define BMCR_RESTART_AUTONEGOTIATION    0x0200  ///<  1 = Restart autonegotiation
265 #define BMCR_FULL_DUPLEX                0x0100  ///<  Full duplex operation
266 #define BMCR_HALF_DUPLEX                0       ///<  Half duplex operation
267 #define BMCR_COLLISION_TEST             0x0080  ///<  1 = Collision test enabled
268 
269 //  BSMR - Register 1
270 
271 #define BMSR_100BASET4                  0x8000  ///<  1 = 100BASE-T4 mode
272 #define BMSR_100BASETX_FDX              0x4000  ///<  1 = 100BASE-TX full duplex
273 #define BMSR_100BASETX_HDX              0x2000  ///<  1 = 100BASE-TX half duplex
274 #define BMSR_10BASET_FDX                0x1000  ///<  1 = 10BASE-T full duplex
275 #define BMSR_10BASET_HDX                0x0800  ///<  1 = 10BASE-T half duplex
276 #define BMSR_MF                         0x0040  ///<  1 = PHY accepts frames with preamble suppressed
277 #define BMSR_AUTONEG_CMPLT              0x0020  ///<  1 = Autonegotiation complete
278 #define BMSR_RF                         0x0010  ///<  1 = Remote fault
279 #define BMSR_AUTONEG                    0x0008  ///<  1 = Able to perform autonegotiation
280 #define BMSR_LINKST                     0x0004  ///<  1 = Link up
281 #define BMSR_JABBER_DETECT              0x0002  ///<  1 = jabber condition detected
282 #define BMSR_EXTENDED_CAPABILITY        0x0001  ///<  1 = Extended register capable
283 
284 //  ANAR and ANLPAR Registers 4, 5
285 
286 #define AN_NP                           0x8000  ///<  1 = Next page available
287 #define AN_ACK                          0x4000  ///<  1 = Link partner acknowledged
288 #define AN_RF                           0x2000  ///<  1 = Remote fault indicated by link partner
289 #define AN_FCS                          0x0400  ///<  1 = Flow control ability
290 #define AN_T4                           0x0200  ///<  1 = 100BASE-T4 support
291 #define AN_TX_FDX                       0x0100  ///<  1 = 100BASE-TX Full duplex
292 #define AN_TX_HDX                       0x0080  ///<  1 = 100BASE-TX support
293 #define AN_10_FDX                       0x0040  ///<  1 = 10BASE-T Full duplex
294 #define AN_10_HDX                       0x0020  ///<  1 = 10BASE-T support
295 #define AN_CSMA_CD                      0x0001  ///<  1 = IEEE 802.3 CSMA/CD support
296 
297 // asix_flags defines
298 #define FLAG_NONE               0
299 #define FLAG_TYPE_AX88172       BIT0
300 #define FLAG_TYPE_AX88772       BIT1
301 #define FLAG_TYPE_AX88772B      BIT2
302 #define FLAG_EEPROM_MAC         BIT3  // initial mac address in eeprom
303 
304 //------------------------------------------------------------------------------
305 //  Data Types
306 //------------------------------------------------------------------------------
307 
308 typedef struct {
309    UINT16  VendorId;
310    UINT16  ProductId;
311    INT32   Flags;
312 }ASIX_DONGLE;
313 
314 /**
315   Ethernet header layout
316 
317   IEEE 802.3-2002 Part 3 specification, section 3.1.1.
318 **/
319 #pragma pack(1)
320 typedef struct {
321   UINT8 dest_addr[PXE_HWADDR_LEN_ETHER];  ///<  Destination LAN address
322   UINT8 src_addr[PXE_HWADDR_LEN_ETHER];   ///<  Source LAN address
323   UINT16 type;                            ///<  Protocol or length
324 } ETHERNET_HEADER;
325 #pragma pack()
326 
327 /**
328   Receive and Transmit packet structure
329 **/
330 #pragma pack(1)
331 typedef struct _RX_TX_PACKET {
332   struct _RX_TX_PACKET * pNext;       ///<  Next receive packet
333   UINT16 Length;                      ///<  Packet length
334   UINT16 LengthBar;                   ///<  Complement of the length
335   UINT8 Data[ AX88772_MAX_PKT_SIZE ]; ///<  Received packet data
336 } RX_TX_PACKET;
337 #pragma pack()
338 
339 
340 #pragma pack(1)
341 typedef struct _RX_PKT {
342   struct _RX_PKT *pNext;
343   BOOLEAN f_Used;
344   UINT16 Length;
345   UINT8 Data [AX88772_MAX_PKT_SIZE] ;
346 } RX_PKT;
347 #pragma pack()
348 
349 /**
350   AX88772 control structure
351 
352   The driver uses this structure to manage the Asix AX88772 10/100
353   Ethernet controller.
354 **/
355 typedef struct {
356   UINTN Signature;          ///<  Structure identification
357 
358   //
359   //  USB data
360   //
361   EFI_HANDLE Controller;        ///<  Controller handle
362   EFI_USB_IO_PROTOCOL * pUsbIo;  ///<  USB driver interface
363 
364   //
365   //  Simple network protocol data
366   //
367   EFI_SIMPLE_NETWORK_PROTOCOL SimpleNetwork;  ///<  Driver's network stack interface
368   EFI_SIMPLE_NETWORK_PROTOCOL SimpleNetwork_Backup;
369   EFI_SIMPLE_NETWORK_MODE SimpleNetworkData;  ///<  Data for simple network
370 
371   //
372   // Ethernet controller data
373   //
374   BOOLEAN bInitialized;     ///<  Controller initialized
375   VOID * pTxBuffer;         ///<  Last transmit buffer
376   UINT16 PhyId;             ///<  PHY ID
377 
378   //
379   //  Link state
380   //
381   BOOLEAN b100Mbps;         ///<  Current link speed, FALSE = 10 Mbps
382   BOOLEAN bComplete;        ///<  Current state of auto-negotiation
383   BOOLEAN bFullDuplex;      ///<  Current duplex
384   BOOLEAN bLinkUp;          ///<  Current link state
385   UINTN  LinkIdleCnt;
386   UINTN PollCount;          ///<  Number of times the autonegotiation status was polled
387   UINT16 CurRxControl;
388   //
389   //  Receive buffer list
390   //
391   RX_TX_PACKET * pRxTest;
392   RX_TX_PACKET * pTxTest;
393 
394   INT8 MulticastHash[8];
395   EFI_MAC_ADDRESS MAC;
396   BOOLEAN bHavePkt;
397 
398   EFI_DEVICE_PATH_PROTOCOL                  *MyDevPath;
399 
400   EFI_DRIVER_BINDING_PROTOCOL * DrvBind;
401 
402   RX_PKT * QueueHead;
403   RX_PKT * pNextFill;
404   RX_PKT * pFirstFill;
405   UINTN   PktCntInQueue;
406   UINT8 * pBulkInBuff;
407 
408   INT32 Flags;
409 
410 } NIC_DEVICE;
411 
412 #define DEV_FROM_SIMPLE_NETWORK(a)  CR (a, NIC_DEVICE, SimpleNetwork, DEV_SIGNATURE)  ///< Locate NIC_DEVICE from Simple Network Protocol
413 
414 //------------------------------------------------------------------------------
415 // Simple Network Protocol
416 //------------------------------------------------------------------------------
417 
418 /**
419   Reset the network adapter.
420 
421   Resets a network adapter and reinitializes it with the parameters that
422   were provided in the previous call to Initialize ().  The transmit and
423   receive queues are cleared.  Receive filters, the station address, the
424   statistics, and the multicast-IP-to-HW MAC addresses are not reset by
425   this call.
426 
427   This routine calls ::Ax88772Reset to perform the adapter specific
428   reset operation.  This routine also starts the link negotiation
429   by calling ::Ax88772NegotiateLinkStart.
430 
431   @param [in] pSimpleNetwork    Protocol instance pointer
432   @param [in] bExtendedVerification  Indicates that the driver may perform a more
433                                 exhaustive verification operation of the device
434                                 during reset.
435 
436   @retval EFI_SUCCESS           This operation was successful.
437   @retval EFI_NOT_STARTED       The network interface was not started.
438   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
439                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
440   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
441   @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
442 
443 **/
444 EFI_STATUS
445 EFIAPI
446 SN_Reset (
447   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
448   IN BOOLEAN bExtendedVerification
449   );
450 
451 /**
452   Initialize the simple network protocol.
453 
454   This routine calls ::Ax88772MacAddressGet to obtain the
455   MAC address.
456 
457   @param [in] pNicDevice       NIC_DEVICE_INSTANCE pointer
458 
459   @retval EFI_SUCCESS     Setup was successful
460 
461 **/
462 EFI_STATUS
463 SN_Setup (
464   IN NIC_DEVICE * pNicDevice
465   );
466 
467 /**
468   This routine starts the network interface.
469 
470   @param [in] pSimpleNetwork    Protocol instance pointer
471 
472   @retval EFI_SUCCESS           This operation was successful.
473   @retval EFI_ALREADY_STARTED   The network interface was already started.
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 **/
480 EFI_STATUS
481 EFIAPI
482 SN_Start (
483   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
484   );
485 
486 /**
487   Set the MAC address.
488 
489   This function modifies or resets the current station address of a
490   network interface.  If Reset is TRUE, then the current station address
491   is set ot the network interface's permanent address.  If Reset if FALSE
492   then the current station address is changed to the address specified by
493   pNew.
494 
495   This routine calls ::Ax88772MacAddressSet to update the MAC address
496   in the network adapter.
497 
498   @param [in] pSimpleNetwork    Protocol instance pointer
499   @param [in] bReset            Flag used to reset the station address to the
500                                 network interface's permanent address.
501   @param [in] pNew              New station address to be used for the network
502                                 interface.
503 
504   @retval EFI_SUCCESS           This operation was successful.
505   @retval EFI_NOT_STARTED       The network interface was not started.
506   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
507                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
508   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
509   @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
510 
511 **/
512 EFI_STATUS
513 EFIAPI
514 SN_StationAddress (
515   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
516   IN BOOLEAN bReset,
517   IN EFI_MAC_ADDRESS * pNew
518   );
519 
520 /**
521   This function resets or collects the statistics on a network interface.
522   If the size of the statistics table specified by StatisticsSize is not
523   big enough for all of the statistics that are collected by the network
524   interface, then a partial buffer of statistics is returned in
525   StatisticsTable.
526 
527   @param [in] pSimpleNetwork    Protocol instance pointer
528   @param [in] bReset            Set to TRUE to reset the statistics for the network interface.
529   @param [in, out] pStatisticsSize  On input the size, in bytes, of StatisticsTable.  On output
530                                 the size, in bytes, of the resulting table of statistics.
531   @param [out] pStatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
532                                 conains the statistics.
533 
534   @retval EFI_SUCCESS           This operation was successful.
535   @retval EFI_NOT_STARTED       The network interface was not started.
536   @retval EFI_BUFFER_TOO_SMALL  The pStatisticsTable is NULL or the buffer is too small.
537   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
538                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
539   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
540   @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
541 
542 **/
543 EFI_STATUS
544 EFIAPI
545 SN_Statistics (
546   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
547   IN BOOLEAN bReset,
548   IN OUT UINTN * pStatisticsSize,
549   OUT EFI_NETWORK_STATISTICS * pStatisticsTable
550   );
551 
552 /**
553   This function stops a network interface.  This call is only valid
554   if the network interface is in the started state.
555 
556   @param [in] pSimpleNetwork    Protocol instance pointer
557 
558   @retval EFI_SUCCESS           This operation was successful.
559   @retval EFI_NOT_STARTED       The network interface was not started.
560   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
561                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
562   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
563   @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
564 
565 **/
566 EFI_STATUS
567 EFIAPI
568 SN_Stop (
569   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
570   );
571 
572 /**
573   This function releases the memory buffers assigned in the Initialize() call.
574   Pending transmits and receives are lost, and interrupts are cleared and disabled.
575   After this call, only Initialize() and Stop() calls may be used.
576 
577   @param [in] pSimpleNetwork    Protocol instance pointer
578 
579   @retval EFI_SUCCESS           This operation was successful.
580   @retval EFI_NOT_STARTED       The network interface was not started.
581   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
582                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
583   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
584   @retval EFI_UNSUPPORTED       The increased buffer size feature is not supported.
585 
586 **/
587 EFI_STATUS
588 EFIAPI
589 SN_Shutdown (
590   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
591   );
592 
593 /**
594   Send a packet over the network.
595 
596   This function places the packet specified by Header and Buffer on
597   the transmit queue.  This function performs a non-blocking transmit
598   operation.  When the transmit is complete, the buffer is returned
599   via the GetStatus() call.
600 
601   This routine calls ::Ax88772Rx to empty the network adapter of
602   receive packets.  The routine then passes the transmit packet
603   to the network adapter.
604 
605   @param [in] pSimpleNetwork    Protocol instance pointer
606   @param [in] HeaderSize        The size, in bytes, of the media header to be filled in by
607                                 the Transmit() function.  If HeaderSize is non-zero, then
608                                 it must be equal to SimpleNetwork->Mode->MediaHeaderSize
609                                 and DestAddr and Protocol parameters must not be NULL.
610   @param [in] BufferSize        The size, in bytes, of the entire packet (media header and
611                                 data) to be transmitted through the network interface.
612   @param [in] pBuffer           A pointer to the packet (media header followed by data) to
613                                 to be transmitted.  This parameter can not be NULL.  If
614                                 HeaderSize is zero, then the media header is Buffer must
615                                 already be filled in by the caller.  If HeaderSize is nonzero,
616                                 then the media header will be filled in by the Transmit()
617                                 function.
618   @param [in] pSrcAddr          The source HW MAC address.  If HeaderSize is zero, then
619                                 this parameter is ignored.  If HeaderSize is nonzero and
620                                 SrcAddr is NULL, then SimpleNetwork->Mode->CurrentAddress
621                                 is used for the source HW MAC address.
622   @param [in] pDestAddr         The destination HW MAC address.  If HeaderSize is zero, then
623                                 this parameter is ignored.
624   @param [in] pProtocol         The type of header to build.  If HeaderSize is zero, then
625                                 this parameter is ignored.
626 
627   @retval EFI_SUCCESS           This operation was successful.
628   @retval EFI_NOT_STARTED       The network interface was not started.
629   @retval EFI_NOT_READY         The network interface is too busy to accept this transmit request.
630   @retval EFI_BUFFER_TOO_SMALL  The BufferSize parameter is too small.
631   @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
632                                 EFI_SIMPLE_NETWORK_PROTOCOL structure.
633   @retval EFI_DEVICE_ERROR      The command could not be sent to the network interface.
634 
635 **/
636 EFI_STATUS
637 EFIAPI
638 SN_Transmit (
639   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
640   IN UINTN HeaderSize,
641   IN UINTN BufferSize,
642   IN VOID * pBuffer,
643   IN EFI_MAC_ADDRESS * pSrcAddr,
644   IN EFI_MAC_ADDRESS * pDestAddr,
645   IN UINT16 * pProtocol
646   );
647 
648 //------------------------------------------------------------------------------
649 // Support Routines
650 //------------------------------------------------------------------------------
651 
652 /**
653   Get the MAC address
654 
655   This routine calls ::Ax88772UsbCommand to request the MAC
656   address from the network adapter.
657 
658   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
659   @param [out] pMacAddress      Address of a six byte buffer to receive the MAC address.
660 
661   @retval EFI_SUCCESS          The MAC address is available.
662   @retval other                The MAC address is not valid.
663 
664 **/
665 EFI_STATUS
666 Ax88772MacAddressGet (
667   IN NIC_DEVICE * pNicDevice,
668   OUT UINT8 * pMacAddress
669   );
670 
671 /**
672   Set the MAC address
673 
674   This routine calls ::Ax88772UsbCommand to set the MAC address
675   in the network adapter.
676 
677   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
678   @param [in] pMacAddress      Address of a six byte buffer to containing the new MAC address.
679 
680   @retval EFI_SUCCESS          The MAC address was set.
681   @retval other                The MAC address was not set.
682 
683 **/
684 EFI_STATUS
685 Ax88772MacAddressSet (
686   IN NIC_DEVICE * pNicDevice,
687   IN UINT8 * pMacAddress
688   );
689 
690 /**
691   Clear the multicast hash table
692 
693   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
694 
695 **/
696 VOID
697 Ax88772MulticastClear (
698   IN NIC_DEVICE * pNicDevice
699   );
700 
701 /**
702   Enable a multicast address in the multicast hash table
703 
704   This routine calls ::Ax88772Crc to compute the hash bit for
705   this MAC address.
706 
707   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
708   @param [in] pMacAddress      Address of a six byte buffer to containing the MAC address.
709 
710 **/
711 VOID
712 Ax88772MulticastSet (
713   IN NIC_DEVICE * pNicDevice,
714   IN UINT8 * pMacAddress
715   );
716 
717 /**
718   Start the link negotiation
719 
720   This routine calls ::Ax88772PhyWrite to start the PHY's link
721   negotiation.
722 
723   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
724 
725   @retval EFI_SUCCESS          The link negotiation was started.
726   @retval other                Failed to start the link negotiation.
727 
728 **/
729 EFI_STATUS
730 Ax88772NegotiateLinkStart (
731   IN NIC_DEVICE * pNicDevice
732   );
733 
734 /**
735   Complete the negotiation of the PHY link
736 
737   This routine calls ::Ax88772PhyRead to determine if the
738   link negotiation is complete.
739 
740   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
741   @param [in, out] pPollCount  Address of number of times this routine was polled
742   @param [out] pbComplete      Address of boolean to receive complate status.
743   @param [out] pbLinkUp        Address of boolean to receive link status, TRUE=up.
744   @param [out] pbHiSpeed       Address of boolean to receive link speed, TRUE=100Mbps.
745   @param [out] pbFullDuplex    Address of boolean to receive link duplex, TRUE=full.
746 
747   @retval EFI_SUCCESS          The MAC address is available.
748   @retval other                The MAC address is not valid.
749 
750 **/
751 EFI_STATUS
752 Ax88772NegotiateLinkComplete (
753   IN NIC_DEVICE * pNicDevice,
754   IN OUT UINTN * pPollCount,
755   OUT BOOLEAN * pbComplete,
756   OUT BOOLEAN * pbLinkUp,
757   OUT BOOLEAN * pbHiSpeed,
758   OUT BOOLEAN * pbFullDuplex
759   );
760 
761 /**
762   Read a register from the PHY
763 
764   This routine calls ::Ax88772UsbCommand to read a PHY register.
765 
766   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
767   @param [in] RegisterAddress  Number of the register to read.
768   @param [in, out] pPhyData    Address of a buffer to receive the PHY register value
769 
770   @retval EFI_SUCCESS          The PHY data is available.
771   @retval other                The PHY data is not valid.
772 
773 **/
774 EFI_STATUS
775 Ax88772PhyRead (
776   IN NIC_DEVICE * pNicDevice,
777   IN UINT8 RegisterAddress,
778   IN OUT UINT16 * pPhyData
779   );
780 
781 /**
782   Write to a PHY register
783 
784   This routine calls ::Ax88772UsbCommand to write a PHY register.
785 
786   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
787   @param [in] RegisterAddress  Number of the register to read.
788   @param [in] PhyData          Address of a buffer to receive the PHY register value
789 
790   @retval EFI_SUCCESS          The PHY data was written.
791   @retval other                Failed to wwrite the PHY register.
792 
793 **/
794 EFI_STATUS
795 Ax88772PhyWrite (
796   IN NIC_DEVICE * pNicDevice,
797   IN UINT8 RegisterAddress,
798   IN UINT16 PhyData
799   );
800 
801 /**
802   Reset the AX88772
803 
804   This routine uses ::Ax88772UsbCommand to reset the network
805   adapter.  This routine also uses ::Ax88772PhyWrite to reset
806   the PHY.
807 
808   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
809 
810   @retval EFI_SUCCESS          The MAC address is available.
811   @retval other                The MAC address is not valid.
812 
813 **/
814 EFI_STATUS
815 Ax88772Reset (
816   IN NIC_DEVICE * pNicDevice
817   );
818 
819 VOID
820 Ax88772ChkLink (
821   IN NIC_DEVICE * pNicDevice,
822   IN BOOLEAN bUpdateLink
823   );
824 
825 /**
826   Receive a frame from the network.
827 
828   This routine polls the USB receive interface for a packet.  If a packet
829   is available, this routine adds the receive packet to the list of
830   pending receive packets.
831 
832   This routine calls ::Ax88772NegotiateLinkComplete to verify
833   that the link is up.  This routine also calls ::SN_Reset to
834   reset the network adapter when necessary.  Finally this
835   routine attempts to receive one or more packets from the
836   network adapter.
837 
838   @param [in] pNicDevice  Pointer to the NIC_DEVICE structure
839   @param [in] bUpdateLink TRUE = Update link status
840 
841 **/
842 VOID
843 Ax88772Rx (
844   IN NIC_DEVICE * pNicDevice,
845   IN BOOLEAN bUpdateLink
846   );
847 
848 /**
849   Enable or disable the receiver
850 
851   This routine calls ::Ax88772UsbCommand to update the
852   receiver state.  This routine also calls ::Ax88772MacAddressSet
853   to establish the MAC address for the network adapter.
854 
855   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
856   @param [in] RxFilter         Simple network RX filter mask value
857 
858   @retval EFI_SUCCESS          The MAC address was set.
859   @retval other                The MAC address was not set.
860 
861 **/
862 EFI_STATUS
863 Ax88772RxControl (
864   IN NIC_DEVICE * pNicDevice,
865   IN UINT32 RxFilter
866   );
867 
868 /**
869   Read an SROM location
870 
871   This routine calls ::Ax88772UsbCommand to read data from the
872   SROM.
873 
874   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
875   @param [in] Address          SROM address
876   @param [out] pData           Buffer to receive the data
877 
878   @retval EFI_SUCCESS          The read was successful
879   @retval other                The read failed
880 
881 **/
882 EFI_STATUS
883 Ax88772SromRead (
884   IN NIC_DEVICE * pNicDevice,
885   IN UINT32 Address,
886   OUT UINT16 * pData
887   );
888 
889 /**
890   Send a command to the USB device.
891 
892   @param [in] pNicDevice       Pointer to the NIC_DEVICE structure
893   @param [in] pRequest         Pointer to the request structure
894   @param [in, out] pBuffer     Data buffer address
895 
896   @retval EFI_SUCCESS          The USB transfer was successful
897   @retval other                The USB transfer failed
898 
899 **/
900 EFI_STATUS
901 Ax88772UsbCommand (
902   IN NIC_DEVICE * pNicDevice,
903   IN USB_DEVICE_REQUEST * pRequest,
904   IN OUT VOID * pBuffer
905   );
906 
907 //------------------------------------------------------------------------------
908 // EFI Component Name Protocol Support
909 //------------------------------------------------------------------------------
910 
911 extern EFI_COMPONENT_NAME_PROTOCOL   gComponentName;  ///<  Component name protocol declaration
912 extern EFI_COMPONENT_NAME2_PROTOCOL  gComponentName2; ///<  Component name 2 protocol declaration
913 
914 /**
915   Retrieves a Unicode string that is the user readable name of the driver.
916 
917   This function retrieves the user readable name of a driver in the form of a
918   Unicode string. If the driver specified by This has a user readable name in
919   the language specified by Language, then a pointer to the driver name is
920   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
921   by This does not support the language specified by Language,
922   then EFI_UNSUPPORTED is returned.
923 
924   @param [in] pThis             A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
925                                 EFI_COMPONENT_NAME_PROTOCOL instance.
926   @param [in] pLanguage         A pointer to a Null-terminated ASCII string
927                                 array indicating the language. This is the
928                                 language of the driver name that the caller is
929                                 requesting, and it must match one of the
930                                 languages specified in SupportedLanguages. The
931                                 number of languages supported by a driver is up
932                                 to the driver writer. Language is specified
933                                 in RFC 3066 or ISO 639-2 language code format.
934   @param [out] ppDriverName     A pointer to the Unicode string to return.
935                                 This Unicode string is the name of the
936                                 driver specified by This in the language
937                                 specified by Language.
938 
939   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
940                                 This and the language specified by Language was
941                                 returned in DriverName.
942   @retval EFI_INVALID_PARAMETER Language is NULL.
943   @retval EFI_INVALID_PARAMETER DriverName is NULL.
944   @retval EFI_UNSUPPORTED       The driver specified by This does not support
945                                 the language specified by Language.
946 
947 **/
948 EFI_STATUS
949 EFIAPI
950 GetDriverName (
951   IN  EFI_COMPONENT_NAME_PROTOCOL * pThis,
952   IN  CHAR8 * pLanguage,
953   OUT CHAR16 ** ppDriverName
954   );
955 
956 
957 /**
958   Retrieves a Unicode string that is the user readable name of the controller
959   that is being managed by a driver.
960 
961   This function retrieves the user readable name of the controller specified by
962   ControllerHandle and ChildHandle in the form of a Unicode string. If the
963   driver specified by This has a user readable name in the language specified by
964   Language, then a pointer to the controller name is returned in ControllerName,
965   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
966   managing the controller specified by ControllerHandle and ChildHandle,
967   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
968   support the language specified by Language, then EFI_UNSUPPORTED is returned.
969 
970   @param [in] pThis             A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
971                                 EFI_COMPONENT_NAME_PROTOCOL instance.
972   @param [in] ControllerHandle  The handle of a controller that the driver
973                                 specified by This is managing.  This handle
974                                 specifies the controller whose name is to be
975                                 returned.
976   @param [in] ChildHandle       The handle of the child controller to retrieve
977                                 the name of.  This is an optional parameter that
978                                 may be NULL.  It will be NULL for device
979                                 drivers.  It will also be NULL for a bus drivers
980                                 that wish to retrieve the name of the bus
981                                 controller.  It will not be NULL for a bus
982                                 driver that wishes to retrieve the name of a
983                                 child controller.
984   @param [in] pLanguage         A pointer to a Null-terminated ASCII string
985                                 array indicating the language.  This is the
986                                 language of the driver name that the caller is
987                                 requesting, and it must match one of the
988                                 languages specified in SupportedLanguages. The
989                                 number of languages supported by a driver is up
990                                 to the driver writer. Language is specified in
991                                 RFC 3066 or ISO 639-2 language code format.
992   @param [out] ppControllerName A pointer to the Unicode string to return.
993                                 This Unicode string is the name of the
994                                 controller specified by ControllerHandle and
995                                 ChildHandle in the language specified by
996                                 Language from the point of view of the driver
997                                 specified by This.
998 
999   @retval EFI_SUCCESS           The Unicode string for the user readable name in
1000                                 the language specified by Language for the
1001                                 driver specified by This was returned in
1002                                 DriverName.
1003   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
1004   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
1005                                 EFI_HANDLE.
1006   @retval EFI_INVALID_PARAMETER Language is NULL.
1007   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
1008   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
1009                                 managing the controller specified by
1010                                 ControllerHandle and ChildHandle.
1011   @retval EFI_UNSUPPORTED       The driver specified by This does not support
1012                                 the language specified by Language.
1013 
1014 **/
1015 EFI_STATUS
1016 EFIAPI
1017 GetControllerName (
1018   IN  EFI_COMPONENT_NAME_PROTOCOL * pThis,
1019   IN  EFI_HANDLE ControllerHandle,
1020   IN OPTIONAL EFI_HANDLE ChildHandle,
1021   IN  CHAR8 * pLanguage,
1022   OUT CHAR16 ** ppControllerName
1023   );
1024 
1025 VOID
1026 FillPkt2Queue (
1027   IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
1028   IN UINTN BufLength);
1029 
1030 //------------------------------------------------------------------------------
1031 
1032 #endif  //  _AX88772_H_
1033