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											2005-04-16 15:20:36 -07:00
										 |  |  | /*********************************************************************
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							|  |  |  |  *                 | 
					
						
							|  |  |  |  * Filename:      toshoboe.h | 
					
						
							|  |  |  |  * Version:       2.16 | 
					
						
							|  |  |  |  * Description:   Driver for the Toshiba OBOE (or type-O or 701) | 
					
						
							|  |  |  |  *                FIR Chipset, also supports the DONAUOBOE (type-DO | 
					
						
							|  |  |  |  *                or d01) FIR chipset which as far as I know is | 
					
						
							|  |  |  |  *                register compatible. | 
					
						
							|  |  |  |  * Status:        Experimental. | 
					
						
							|  |  |  |  * Author:        James McKenzie <james@fishsoup.dhs.org> | 
					
						
							|  |  |  |  * Created at:    Sat May 8  12:35:27 1999 | 
					
						
							|  |  |  |  * Modified: 2.16 Martin Lucina <mato@kotelna.sk> | 
					
						
							|  |  |  |  * Modified: 2.16 Sat Jun 22 18:54:29 2002 (sync headers) | 
					
						
							|  |  |  |  * Modified: 2.17 Christian Gennerat <christian.gennerat@polytechnique.org> | 
					
						
							|  |  |  |  * Modified: 2.17 jeu sep 12 08:50:20 2002 (add lock to be used by spinlocks) | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  *     Copyright (c) 1999 James McKenzie, All Rights Reserved. | 
					
						
							|  |  |  |  *       | 
					
						
							|  |  |  |  *     This program is free software; you can redistribute it and/or  | 
					
						
							|  |  |  |  *     modify it under the terms of the GNU General Public License as  | 
					
						
							|  |  |  |  *     published by the Free Software Foundation; either version 2 of  | 
					
						
							|  |  |  |  *     the License, or (at your option) any later version. | 
					
						
							|  |  |  |  *   | 
					
						
							|  |  |  |  *     Neither James McKenzie nor Cambridge University admit liability nor | 
					
						
							|  |  |  |  *     provide warranty for any of this software. This material is  | 
					
						
							|  |  |  |  *     provided "AS-IS" and at no charge. | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  *     Applicable Models : Libretto 100/110CT and many more. | 
					
						
							|  |  |  |  *     Toshiba refers to this chip as the type-O IR port, | 
					
						
							|  |  |  |  *     or the type-DO IR port. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * IrDA chip set list from Toshiba Computer Engineering Corp. | 
					
						
							|  |  |  |  * model			method	maker	controler		Version  | 
					
						
							|  |  |  |  * Portege 320CT	FIR,SIR Toshiba Oboe(Triangle)  | 
					
						
							|  |  |  |  * Portege 3010CT	FIR,SIR Toshiba Oboe(Sydney)  | 
					
						
							|  |  |  |  * Portege 3015CT	FIR,SIR Toshiba Oboe(Sydney)  | 
					
						
							|  |  |  |  * Portege 3020CT	FIR,SIR Toshiba Oboe(Sydney)  | 
					
						
							|  |  |  |  * Portege 7020CT	FIR,SIR ?		? | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  * Satell. 4090XCDT	FIR,SIR ?		? | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  * Libretto 100CT	FIR,SIR Toshiba Oboe  | 
					
						
							|  |  |  |  * Libretto 1000CT	FIR,SIR Toshiba Oboe  | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  * TECRA750DVD		FIR,SIR Toshiba Oboe(Triangle)	REV ID=14h  | 
					
						
							|  |  |  |  * TECRA780			FIR,SIR Toshiba Oboe(Sandlot)	REV ID=32h,33h  | 
					
						
							|  |  |  |  * TECRA750CDT		FIR,SIR Toshiba Oboe(Triangle)	REV ID=13h,14h  | 
					
						
							|  |  |  |  * TECRA8000		FIR,SIR Toshiba Oboe(ISKUR)		REV ID=23h  | 
					
						
							|  |  |  |  *  | 
					
						
							|  |  |  |  ********************************************************************/ | 
					
						
							|  |  |  | 
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							|  |  |  | /* The documentation for this chip is allegedly released         */ | 
					
						
							|  |  |  | /* However I have not seen it, not have I managed to contact     */ | 
					
						
							|  |  |  | /* anyone who has. HOWEVER the chip bears a striking resemblence */ | 
					
						
							|  |  |  | /* to the IrDA controller in the Toshiba RISC TMPR3922 chip      */ | 
					
						
							|  |  |  | /* the documentation for this is freely available at             */ | 
					
						
							|  |  |  | /* http://www.toshiba.com/taec/components/Generic/TMPR3922.shtml */ | 
					
						
							|  |  |  | /* The mapping between the registers in that document and the    */ | 
					
						
							|  |  |  | /* Registers in the 701 oboe chip are as follows    */ | 
					
						
							|  |  |  | 
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							|  |  |  | 
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							|  |  |  | /* 3922 reg     701 regs, by bit numbers                        */ | 
					
						
							|  |  |  | /*               7- 0  15- 8  24-16  31-25                      */ | 
					
						
							|  |  |  | /* $28            0x0    0x1                                    */ | 
					
						
							|  |  |  | /* $2c                                     SEE NOTE 1           */ | 
					
						
							|  |  |  | /* $30            0x6    0x7                                    */ | 
					
						
							|  |  |  | /* $34            0x8    0x9               SEE NOTE 2           */ | 
					
						
							|  |  |  | /* $38           0x10   0x11                                    */ | 
					
						
							|  |  |  | /* $3C                   0xe               SEE NOTE 3           */ | 
					
						
							|  |  |  | /* $40           0x12   0x13                                    */ | 
					
						
							|  |  |  | /* $44           0x14   0x15                                    */ | 
					
						
							|  |  |  | /* $48           0x16   0x17                                    */ | 
					
						
							|  |  |  | /* $4c           0x18   0x19                                    */ | 
					
						
							|  |  |  | /* $50           0x1a   0x1b                                    */ | 
					
						
							|  |  |  | 
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							|  |  |  | /* FIXME: could be 0x1b 0x1a here */ | 
					
						
							|  |  |  | 
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							|  |  |  | /* $54           0x1d   0x1c                                    */ | 
					
						
							|  |  |  | /* $5C           0xf                       SEE NOTE 4           */ | 
					
						
							|  |  |  | /* $130                                    SEE NOTE 5           */ | 
					
						
							|  |  |  | /* $134                                    SEE NOTE 6           */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* NOTES:                                                       */ | 
					
						
							|  |  |  | /* 1. The pointer to ring is packed in most unceremoniusly      */ | 
					
						
							|  |  |  | /*    701 Register      Address bits    (A9-A0 must be zero)    */ | 
					
						
							|  |  |  | /*            0x4:      A17 A16 A15 A14 A13 A12 A11 A10         */ | 
					
						
							|  |  |  | /*            0x5:      A25 A24 A23 A22 A21 A20 A19 A18         */ | 
					
						
							|  |  |  | /*            0x2:        0   0 A31 A30 A29 A28 A27 A26         */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 2. The M$ drivers do a write 0x1 to 0x9, however the 3922    */ | 
					
						
							|  |  |  | /*    documentation would suggest that a write of 0x1 to 0x8    */ | 
					
						
							|  |  |  | /*    would be more appropriate.                                */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 3. This assignment is tenuous at best, register 0xe seems to */ | 
					
						
							|  |  |  | /*    have bits arranged 0 0 0 R/W R/W R/W R/W R/W              */ | 
					
						
							|  |  |  | /*    if either of the lower two bits are set the chip seems to */ | 
					
						
							|  |  |  | /*    switch off                                                */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 4. Bits 7-4 seem to be different 4 seems just to be generic  */ | 
					
						
							|  |  |  | /*    receiver busy flag                                        */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 5. and 6. The IER and ISR have a different bit assignment    */ | 
					
						
							|  |  |  | /*    The lower three bits of both read back as ones            */ | 
					
						
							|  |  |  | /* ISR is register 0xc, IER is register 0xd                     */ | 
					
						
							|  |  |  | /*           7      6      5      4      3      2      1      0 */ | 
					
						
							|  |  |  | /* 0xc: TxDone RxDone TxUndr RxOver SipRcv      1      1      1 */ | 
					
						
							|  |  |  | /* 0xd: TxDone RxDone TxUndr RxOver SipRcv      1      1      1 */ | 
					
						
							|  |  |  | /* TxDone xmitt done (generated only if generate interrupt bit  */ | 
					
						
							|  |  |  | /*   is set in the ring)                                        */ | 
					
						
							|  |  |  | /* RxDone recv completed (or other recv condition if you set it */ | 
					
						
							|  |  |  | /*   up                                                         */ | 
					
						
							|  |  |  | /* TxUnder underflow in Transmit FIFO                           */ | 
					
						
							|  |  |  | /* RxOver  overflow in Recv FIFO                                */ | 
					
						
							|  |  |  | /* SipRcv  received serial gap  (or other condition you set)    */ | 
					
						
							|  |  |  | /* Interrupts are enabled by writing a one to the IER register  */ | 
					
						
							| 
									
										
										
										
											2007-05-09 07:14:03 +02:00
										 |  |  | /* Interrupts are cleared by writing a one to the ISR register */ | 
					
						
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											2005-04-16 15:20:36 -07:00
										 |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 6. The remaining registers: 0x6 and 0x3 appear to be         */ | 
					
						
							|  |  |  | /*    reserved parts of 16 or 32 bit registersthe remainder     */ | 
					
						
							|  |  |  | /*    0xa 0xb 0x1e 0x1f could possibly be (by their behaviour)  */ | 
					
						
							|  |  |  | /*    the Unicast Filter register at $58.                       */ | 
					
						
							|  |  |  | /*                                                              */ | 
					
						
							|  |  |  | /* 7. While the core obviously expects 32 bit accesses all the  */ | 
					
						
							|  |  |  | /*    M$ drivers do 8 bit accesses, infact the Miniport ones    */ | 
					
						
							|  |  |  | /*    write and read back the byte serveral times (why?)        */ | 
					
						
							|  |  |  | 
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							|  |  |  | 
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							|  |  |  | #ifndef TOSHOBOE_H
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							|  |  |  | #define TOSHOBOE_H
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							|  |  |  | 
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							|  |  |  | /* Registers */ | 
					
						
							|  |  |  | 
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							|  |  |  | #define OBOE_IO_EXTENT	0x1f
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							|  |  |  | 
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							|  |  |  | /*Receive and transmit slot pointers */ | 
					
						
							|  |  |  | #define OBOE_REG(i)	(i+(self->base))
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							|  |  |  | #define OBOE_RXSLOT	OBOE_REG(0x0)
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							|  |  |  | #define OBOE_TXSLOT	OBOE_REG(0x1)
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							|  |  |  | #define OBOE_SLOT_MASK	0x3f
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							|  |  |  | 
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							|  |  |  | #define OBOE_TXRING_OFFSET		0x200
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							|  |  |  | #define OBOE_TXRING_OFFSET_IN_SLOTS	0x40
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							|  |  |  | 
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							|  |  |  | /*pointer to the ring */ | 
					
						
							|  |  |  | #define OBOE_RING_BASE0	OBOE_REG(0x4)
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							|  |  |  | #define OBOE_RING_BASE1	OBOE_REG(0x5)
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							|  |  |  | #define OBOE_RING_BASE2	OBOE_REG(0x2)
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							|  |  |  | #define OBOE_RING_BASE3	OBOE_REG(0x3)
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							|  |  |  | 
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							|  |  |  | /*Number of slots in the ring */ | 
					
						
							|  |  |  | #define OBOE_RING_SIZE  OBOE_REG(0x7)
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							|  |  |  | #define OBOE_RING_SIZE_RX4	0x00
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							|  |  |  | #define OBOE_RING_SIZE_RX8	0x01
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							|  |  |  | #define OBOE_RING_SIZE_RX16	0x03
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							|  |  |  | #define OBOE_RING_SIZE_RX32	0x07
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							|  |  |  | #define OBOE_RING_SIZE_RX64	0x0f
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							|  |  |  | #define OBOE_RING_SIZE_TX4	0x00
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							|  |  |  | #define OBOE_RING_SIZE_TX8	0x10
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							|  |  |  | #define OBOE_RING_SIZE_TX16	0x30
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							|  |  |  | #define OBOE_RING_SIZE_TX32	0x70
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							|  |  |  | #define OBOE_RING_SIZE_TX64	0xf0
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							|  |  |  | 
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							|  |  |  | #define OBOE_RING_MAX_SIZE	64
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							|  |  |  | 
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							|  |  |  | /*Causes the gubbins to re-examine the ring */ | 
					
						
							|  |  |  | #define OBOE_PROMPT	OBOE_REG(0x9)
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							|  |  |  | #define OBOE_PROMPT_BIT		0x1
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							|  |  |  | 
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							|  |  |  | /* Interrupt Status Register */ | 
					
						
							|  |  |  | #define OBOE_ISR	OBOE_REG(0xc)
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							|  |  |  | /* Interrupt Enable Register */ | 
					
						
							|  |  |  | #define OBOE_IER	OBOE_REG(0xd)
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							|  |  |  | /* Interrupt bits for IER and ISR */ | 
					
						
							|  |  |  | #define OBOE_INT_TXDONE		0x80
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							|  |  |  | #define OBOE_INT_RXDONE		0x40
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							|  |  |  | #define OBOE_INT_TXUNDER	0x20
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							|  |  |  | #define OBOE_INT_RXOVER		0x10
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							|  |  |  | #define OBOE_INT_SIP		0x08
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							|  |  |  | #define OBOE_INT_MASK		0xf8
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							|  |  |  | 
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							|  |  |  | /*Reset Register */ | 
					
						
							|  |  |  | #define OBOE_CONFIG1	OBOE_REG(0xe)
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							|  |  |  | #define OBOE_CONFIG1_RST	0x01
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							|  |  |  | #define OBOE_CONFIG1_DISABLE	0x02
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							|  |  |  | #define OBOE_CONFIG1_4		0x08
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							|  |  |  | #define OBOE_CONFIG1_8		0x08
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							|  |  |  | 
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							|  |  |  | #define OBOE_CONFIG1_ON		0x8
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							|  |  |  | #define OBOE_CONFIG1_RESET	0xf
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							|  |  |  | #define OBOE_CONFIG1_OFF	0xe
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							|  |  |  | 
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							|  |  |  | #define OBOE_STATUS	OBOE_REG(0xf)
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							|  |  |  | #define OBOE_STATUS_RXBUSY	0x10
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							|  |  |  | #define OBOE_STATUS_FIRRX	0x04
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							|  |  |  | #define OBOE_STATUS_MIRRX	0x02
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							|  |  |  | #define OBOE_STATUS_SIRRX	0x01
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							|  |  |  | 
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							|  |  |  | 
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							|  |  |  | /*Speed control registers */ | 
					
						
							|  |  |  | #define OBOE_CONFIG0L	OBOE_REG(0x10)
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							|  |  |  | #define OBOE_CONFIG0H	OBOE_REG(0x11)
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							|  |  |  | 
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							|  |  |  | #define OBOE_CONFIG0H_TXONLOOP  0x80 /*Transmit when looping (dangerous) */
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							|  |  |  | #define OBOE_CONFIG0H_LOOP	0x40 /*Loopback Tx->Rx */
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							|  |  |  | #define OBOE_CONFIG0H_ENTX	0x10 /*Enable Tx */
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							|  |  |  | #define OBOE_CONFIG0H_ENRX	0x08 /*Enable Rx */
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							|  |  |  | #define OBOE_CONFIG0H_ENDMAC	0x04 /*Enable/reset* the DMA controller */
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							|  |  |  | #define OBOE_CONFIG0H_RCVANY	0x02 /*DMA mode 1=bytes, 0=dwords */
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							|  |  |  | 
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							|  |  |  | #define OBOE_CONFIG0L_CRC16	0x80 /*CRC 1=16 bit 0=32 bit */
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							|  |  |  | #define OBOE_CONFIG0L_ENFIR	0x40 /*Enable FIR */
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							|  |  |  | #define OBOE_CONFIG0L_ENMIR	0x20 /*Enable MIR */
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							|  |  |  | #define OBOE_CONFIG0L_ENSIR	0x10 /*Enable SIR */
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							|  |  |  | #define OBOE_CONFIG0L_ENSIRF	0x08 /*Enable SIR framer */
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							|  |  |  | #define OBOE_CONFIG0L_SIRTEST	0x04 /*Enable SIR framer in MIR and FIR */
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							|  |  |  | #define OBOE_CONFIG0L_INVERTTX  0x02 /*Invert Tx Line */
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							|  |  |  | #define OBOE_CONFIG0L_INVERTRX  0x01 /*Invert Rx Line */
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							|  |  |  | 
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							|  |  |  | #define OBOE_BOF	OBOE_REG(0x12)
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							|  |  |  | #define OBOE_EOF	OBOE_REG(0x13)
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							|  |  |  | 
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							|  |  |  | #define OBOE_ENABLEL	OBOE_REG(0x14)
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							|  |  |  | #define OBOE_ENABLEH	OBOE_REG(0x15)
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							|  |  |  | 
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							|  |  |  | #define OBOE_ENABLEH_PHYANDCLOCK	0x80 /*Toggle low to copy config in */
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							|  |  |  | #define OBOE_ENABLEH_CONFIGERR		0x40
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							|  |  |  | #define OBOE_ENABLEH_FIRON		0x20
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							|  |  |  | #define OBOE_ENABLEH_MIRON		0x10
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							|  |  |  | #define OBOE_ENABLEH_SIRON		0x08
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							|  |  |  | #define OBOE_ENABLEH_ENTX		0x04
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							|  |  |  | #define OBOE_ENABLEH_ENRX		0x02
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							|  |  |  | #define OBOE_ENABLEH_CRC16		0x01
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							|  |  |  | 
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							|  |  |  | #define OBOE_ENABLEL_BROADCAST		0x01
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							|  |  |  | 
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							|  |  |  | #define OBOE_CURR_PCONFIGL		OBOE_REG(0x16) /*Current config */
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							|  |  |  | #define OBOE_CURR_PCONFIGH		OBOE_REG(0x17)
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							|  |  |  | 
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							|  |  |  | #define OBOE_NEW_PCONFIGL		OBOE_REG(0x18)
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							|  |  |  | #define OBOE_NEW_PCONFIGH		OBOE_REG(0x19)
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							|  |  |  | 
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							|  |  |  | #define OBOE_PCONFIGH_BAUDMASK		0xfc
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							|  |  |  | #define OBOE_PCONFIGH_WIDTHMASK		0x04
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							|  |  |  | #define OBOE_PCONFIGL_WIDTHMASK		0xe0
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							|  |  |  | #define OBOE_PCONFIGL_PREAMBLEMASK	0x1f
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							|  |  |  | 
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							|  |  |  | #define OBOE_PCONFIG_BAUDMASK		0xfc00
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							|  |  |  | #define OBOE_PCONFIG_BAUDSHIFT		10
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							|  |  |  | #define OBOE_PCONFIG_WIDTHMASK		0x04e0
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							|  |  |  | #define OBOE_PCONFIG_WIDTHSHIFT		5
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							|  |  |  | #define OBOE_PCONFIG_PREAMBLEMASK	0x001f
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							|  |  |  | #define OBOE_PCONFIG_PREAMBLESHIFT	0
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							|  |  |  | 
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							|  |  |  | #define OBOE_MAXLENL			OBOE_REG(0x1a)
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							|  |  |  | #define OBOE_MAXLENH			OBOE_REG(0x1b)
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							|  |  |  | 
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							|  |  |  | #define OBOE_RXCOUNTH			OBOE_REG(0x1c) /*Reset on recipt */
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							|  |  |  | #define OBOE_RXCOUNTL			OBOE_REG(0x1d) /*of whole packet */
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							|  |  |  | 
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							|  |  |  | /* The PCI ID of the OBOE chip */ | 
					
						
							|  |  |  | #ifndef PCI_DEVICE_ID_FIR701
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							|  |  |  | #define PCI_DEVICE_ID_FIR701 	0x0701
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							|  |  |  | #endif
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							|  |  |  | 
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							|  |  |  | #ifndef PCI_DEVICE_ID_FIRD01
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							|  |  |  | #define PCI_DEVICE_ID_FIRD01 	0x0d01
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							|  |  |  | #endif
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							|  |  |  | 
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							|  |  |  | struct OboeSlot | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |   __u16 len;                    /*Tweleve bits of packet length */ | 
					
						
							|  |  |  |   __u8 unused; | 
					
						
							|  |  |  |   __u8 control;                 /*Slot control/status see below */ | 
					
						
							|  |  |  |   __u32 address;                /*Slot buffer address */ | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | __attribute__ ((packed)); | 
					
						
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							|  |  |  | #define OBOE_NTASKS OBOE_TXRING_OFFSET_IN_SLOTS
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							|  |  |  | struct OboeRing | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |   struct OboeSlot rx[OBOE_NTASKS]; | 
					
						
							|  |  |  |   struct OboeSlot tx[OBOE_NTASKS]; | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | #define OBOE_RING_LEN (sizeof(struct OboeRing))
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							|  |  |  | #define OBOE_CTL_TX_HW_OWNS	0x80 /*W/R This slot owned by the hardware */
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							|  |  |  | #define OBOE_CTL_TX_DISTX_CRC	0x40 /*W Disable CRC generation for [FM]IR */
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							|  |  |  | #define OBOE_CTL_TX_BAD_CRC     0x20 /*W Generate bad CRC */
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							|  |  |  | #define OBOE_CTL_TX_SIP		0x10   /*W Generate an SIP after xmittion */
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							|  |  |  | #define OBOE_CTL_TX_MKUNDER	0x08 /*W Generate an underrun error */
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							|  |  |  | #define OBOE_CTL_TX_RTCENTX	0x04 /*W Enable receiver and generate TXdone */
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							|  |  |  |      /*  After this slot is processed        */ | 
					
						
							|  |  |  | #define OBOE_CTL_TX_UNDER	0x01  /*R Set by hardware to indicate underrun */
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							|  |  |  | #define OBOE_CTL_RX_HW_OWNS	0x80 /*W/R This slot owned by hardware */
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							|  |  |  | #define OBOE_CTL_RX_PHYERR	0x40 /*R Decoder error on receiption */
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							|  |  |  | #define OBOE_CTL_RX_CRCERR	0x20 /*R CRC error only set for [FM]IR */
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							|  |  |  | #define OBOE_CTL_RX_LENGTH	0x10 /*R Packet > max Rx length  */
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							|  |  |  | #define OBOE_CTL_RX_OVER	0x08   /*R set to indicate an overflow */
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							|  |  |  | #define OBOE_CTL_RX_SIRBAD	0x04 /*R SIR had BOF in packet or ABORT sequence */
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							|  |  |  | #define OBOE_CTL_RX_RXEOF	0x02  /*R Finished receiving on this slot */
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							|  |  |  | struct toshoboe_cb | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |   struct net_device *netdev;    /* Yes! we are some kind of netdevice */ | 
					
						
							|  |  |  |   struct tty_driver ttydev; | 
					
						
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							|  |  |  |   struct irlap_cb *irlap;       /* The link layer we are binded to */ | 
					
						
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							|  |  |  |   chipio_t io;                  /* IrDA controller information */ | 
					
						
							|  |  |  |   struct qos_info qos;          /* QoS capabilities for this device */ | 
					
						
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							|  |  |  |   __u32 flags;                  /* Interface flags */ | 
					
						
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							|  |  |  |   struct pci_dev *pdev;         /*PCI device */ | 
					
						
							|  |  |  |   int base;                     /*IO base */ | 
					
						
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							|  |  |  |   int txpending;                /*how many tx's are pending */ | 
					
						
							|  |  |  |   int txs, rxs;                 /*Which slots are we at  */ | 
					
						
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							|  |  |  |   int irdad;                    /*Driver under control of netdev end  */ | 
					
						
							|  |  |  |   int async;                    /*Driver under control of async end   */ | 
					
						
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							|  |  |  |   int stopped;                  /*Stopped by some or other APM stuff */ | 
					
						
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							|  |  |  |   int filter;                   /*In SIR mode do we want to receive
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							|  |  |  |                                    frames or byte ranges */ | 
					
						
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							|  |  |  |   void *ringbuf;                /*The ring buffer */ | 
					
						
							|  |  |  |   struct OboeRing *ring;        /*The ring */ | 
					
						
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							|  |  |  |   void *tx_bufs[OBOE_RING_MAX_SIZE]; /*The buffers   */ | 
					
						
							|  |  |  |   void *rx_bufs[OBOE_RING_MAX_SIZE]; | 
					
						
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							|  |  |  |   int speed;                    /*Current setting of the speed */ | 
					
						
							|  |  |  |   int new_speed;                /*Set to request a speed change */ | 
					
						
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							|  |  |  | /* The spinlock protect critical parts of the driver.
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							|  |  |  |  *	Locking is done like this : | 
					
						
							|  |  |  |  *		spin_lock_irqsave(&self->spinlock, flags); | 
					
						
							|  |  |  |  *	Releasing the lock : | 
					
						
							|  |  |  |  *		spin_unlock_irqrestore(&self->spinlock, flags); | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  |   spinlock_t spinlock;		 | 
					
						
							|  |  |  |   /* Used for the probe and diagnostics code */ | 
					
						
							|  |  |  |   int int_rx; | 
					
						
							|  |  |  |   int int_tx; | 
					
						
							|  |  |  |   int int_txunder; | 
					
						
							|  |  |  |   int int_rxover; | 
					
						
							|  |  |  |   int int_sip; | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | #endif
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