|  | /* | 
|  | * tms380tr.h: TI TMS380 Token Ring driver for Linux | 
|  | * | 
|  | * Authors: | 
|  | * - Christoph Goos <cgoos@syskonnect.de> | 
|  | * - Adam Fritzler <mid@auk.cx> | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_TMS380TR_H | 
|  | #define __LINUX_TMS380TR_H | 
|  |  | 
|  | #ifdef __KERNEL__ | 
|  |  | 
|  | #include <linux/interrupt.h> | 
|  |  | 
|  | /* module prototypes */ | 
|  | int tms380tr_open(struct net_device *dev); | 
|  | int tms380tr_close(struct net_device *dev); | 
|  | irqreturn_t tms380tr_interrupt(int irq, void *dev_id, struct pt_regs *regs); | 
|  | int tmsdev_init(struct net_device *dev, struct device *pdev); | 
|  | void tmsdev_term(struct net_device *dev); | 
|  | void tms380tr_wait(unsigned long time); | 
|  |  | 
|  | #define TMS380TR_MAX_ADAPTERS 7 | 
|  |  | 
|  | #define SEND_TIMEOUT 10*HZ | 
|  |  | 
|  | #define TR_RCF_LONGEST_FRAME_MASK 0x0070 | 
|  | #define TR_RCF_FRAME4K 0x0030 | 
|  |  | 
|  | /*------------------------------------------------------------------*/ | 
|  | /*  Bit order for adapter communication with DMA		    */ | 
|  | /*  --------------------------------------------------------------  */ | 
|  | /*  Bit  8 | 9| 10| 11|| 12| 13| 14| 15|| 0| 1| 2| 3|| 4| 5| 6| 7|  */ | 
|  | /*  --------------------------------------------------------------  */ | 
|  | /*  The bytes in a word must be byte swapped. Also, if a double	    */ | 
|  | /*  word is used for storage, then the words, as well as the bytes, */ | 
|  | /*  must be swapped. 						    */ | 
|  | /*  Bit order for adapter communication with DIO 		    */ | 
|  | /*  --------------------------------------------------------------  */ | 
|  | /*  Bit  0 | 1| 2| 3|| 4| 5| 6| 7|| 8| 9| 10| 11|| 12| 13| 14| 15|  */ | 
|  | /*  --------------------------------------------------------------  */ | 
|  | /*------------------------------------------------------------------*/ | 
|  |  | 
|  | /* Swap words of a long.                        */ | 
|  | #define SWAPW(x) (((x) << 16) | ((x) >> 16)) | 
|  |  | 
|  | /* Get the low byte of a word.                      */ | 
|  | #define LOBYTE(w)       ((unsigned char)(w)) | 
|  |  | 
|  | /* Get the high byte of a word.                     */ | 
|  | #define HIBYTE(w)       ((unsigned char)((unsigned short)(w) >> 8)) | 
|  |  | 
|  | /* Get the low word of a long.                      */ | 
|  | #define LOWORD(l)       ((unsigned short)(l)) | 
|  |  | 
|  | /* Get the high word of a long.                     */ | 
|  | #define HIWORD(l)       ((unsigned short)((unsigned long)(l) >> 16)) | 
|  |  | 
|  |  | 
|  |  | 
|  | /* Token ring adapter I/O addresses for normal mode. */ | 
|  |  | 
|  | /* | 
|  | * The SIF registers.  Common to all adapters. | 
|  | */ | 
|  | /* Basic SIF (SRSX = 0) */ | 
|  | #define SIFDAT      		0x00	/* SIF/DMA data. */ | 
|  | #define SIFINC      		0x02  	/* IO Word data with auto increment. */ | 
|  | #define SIFINH      		0x03  	/* IO Byte data with auto increment. */ | 
|  | #define SIFADR      		0x04  	/* SIF/DMA Address. */ | 
|  | #define SIFCMD      		0x06  	/* SIF Command. */ | 
|  | #define SIFSTS      		0x06  	/* SIF Status. */ | 
|  |  | 
|  | /* "Extended" SIF (SRSX = 1) */ | 
|  | #define SIFACL      		0x08  	/* SIF Adapter Control Register. */ | 
|  | #define SIFADD      		0x0a 	/* SIF/DMA Address. -- 0x0a */ | 
|  | #define SIFADX      		0x0c     /* 0x0c */ | 
|  | #define DMALEN      		0x0e 	/* SIF DMA length. -- 0x0e */ | 
|  |  | 
|  | /* | 
|  | * POS Registers.  Only for ISA Adapters. | 
|  | */ | 
|  | #define POSREG      		0x10 	/* Adapter Program Option Select (POS) | 
|  | * Register: base IO address + 16 byte. | 
|  | */ | 
|  | #define POSREG_2    		24L 	/* only for TR4/16+ adapter | 
|  | * base IO address + 24 byte. -- 0x18 | 
|  | */ | 
|  |  | 
|  | /* SIFCMD command codes (high-low) */ | 
|  | #define CMD_INTERRUPT_ADAPTER   0x8000  /* Cause internal adapter interrupt */ | 
|  | #define CMD_ADAPTER_RESET   	0x4000  /* Hardware reset of adapter */ | 
|  | #define CMD_SSB_CLEAR		0x2000  /* Acknowledge to adapter to | 
|  | * system interrupts. | 
|  | */ | 
|  | #define CMD_EXECUTE		0x1000	/* Execute SCB command */ | 
|  | #define CMD_SCB_REQUEST		0x0800  /* Request adapter to interrupt | 
|  | * system when SCB is available for | 
|  | * another command. | 
|  | */ | 
|  | #define CMD_RX_CONTINUE		0x0400  /* Continue receive after odd pointer | 
|  | * stop. (odd pointer receive method) | 
|  | */ | 
|  | #define CMD_RX_VALID		0x0200  /* Now actual RPL is valid. */ | 
|  | #define CMD_TX_VALID		0x0100  /* Now actual TPL is valid. (valid | 
|  | * bit receive/transmit method) | 
|  | */ | 
|  | #define CMD_SYSTEM_IRQ		0x0080  /* Adapter-to-attached-system | 
|  | * interrupt is reset. | 
|  | */ | 
|  | #define CMD_CLEAR_SYSTEM_IRQ	0x0080	/* Clear SYSTEM_INTERRUPT bit. | 
|  | * (write: 1=ignore, 0=reset) | 
|  | */ | 
|  | #define EXEC_SOFT_RESET		0xFF00  /* adapter soft reset. (restart | 
|  | * adapter after hardware reset) | 
|  | */ | 
|  |  | 
|  |  | 
|  | /* ACL commands (high-low) */ | 
|  | #define ACL_SWHLDA		0x0800  /* Software hold acknowledge. */ | 
|  | #define ACL_SWDDIR		0x0400  /* Data transfer direction. */ | 
|  | #define ACL_SWHRQ		0x0200  /* Pseudo DMA operation. */ | 
|  | #define ACL_PSDMAEN		0x0100  /* Enable pseudo system DMA. */ | 
|  | #define ACL_ARESET		0x0080  /* Adapter hardware reset command. | 
|  | * (held in reset condition as | 
|  | * long as bit is set) | 
|  | */ | 
|  | #define ACL_CPHALT		0x0040  /* Communication processor halt. | 
|  | * (can only be set while ACL_ARESET | 
|  | * bit is set; prevents adapter | 
|  | * processor from executing code while | 
|  | * downloading firmware) | 
|  | */ | 
|  | #define ACL_BOOT		0x0020 | 
|  | #define ACL_SINTEN		0x0008  /* System interrupt enable/disable | 
|  | * (1/0): can be written if ACL_ARESET | 
|  | * is zero. | 
|  | */ | 
|  | #define ACL_PEN                 0x0004 | 
|  |  | 
|  | #define ACL_NSELOUT0            0x0002 | 
|  | #define ACL_NSELOUT1            0x0001	/* NSELOUTx have a card-specific | 
|  | * meaning for setting ring speed. | 
|  | */ | 
|  |  | 
|  | #define PS_DMA_MASK		(ACL_SWHRQ | ACL_PSDMAEN) | 
|  |  | 
|  |  | 
|  | /* SIFSTS register return codes (high-low) */ | 
|  | #define STS_SYSTEM_IRQ		0x0080	/* Adapter-to-attached-system | 
|  | * interrupt is valid. | 
|  | */ | 
|  | #define STS_INITIALIZE		0x0040  /* INITIALIZE status. (ready to | 
|  | * initialize) | 
|  | */ | 
|  | #define STS_TEST		0x0020  /* TEST status. (BUD not completed) */ | 
|  | #define STS_ERROR		0x0010  /* ERROR status. (unrecoverable | 
|  | * HW error occurred) | 
|  | */ | 
|  | #define STS_MASK		0x00F0  /* Mask interesting status bits. */ | 
|  | #define STS_ERROR_MASK		0x000F  /* Get Error Code by masking the | 
|  | * interrupt code bits. | 
|  | */ | 
|  | #define ADAPTER_INT_PTRS	0x0A00  /* Address offset of adapter internal | 
|  | * pointers 01:0a00 (high-low) have to | 
|  | * be read after init and before open. | 
|  | */ | 
|  |  | 
|  |  | 
|  | /* Interrupt Codes (only MAC IRQs) */ | 
|  | #define STS_IRQ_ADAPTER_CHECK	0x0000	/* unrecoverable hardware or | 
|  | * software error. | 
|  | */ | 
|  | #define STS_IRQ_RING_STATUS	0x0004  /* SSB is updated with ring status. */ | 
|  | #define STS_IRQ_LLC_STATUS	0x0005	/* Not used in MAC-only microcode */ | 
|  | #define STS_IRQ_SCB_CLEAR	0x0006	/* SCB clear, following an | 
|  | * SCB_REQUEST IRQ. | 
|  | */ | 
|  | #define STS_IRQ_TIMER		0x0007	/* Not normally used in MAC ucode */ | 
|  | #define STS_IRQ_COMMAND_STATUS	0x0008	/* SSB is updated with command | 
|  | * status. | 
|  | */ | 
|  | #define STS_IRQ_RECEIVE_STATUS	0x000A	/* SSB is updated with receive | 
|  | * status. | 
|  | */ | 
|  | #define STS_IRQ_TRANSMIT_STATUS	0x000C	/* SSB is updated with transmit | 
|  | * status | 
|  | */ | 
|  | #define STS_IRQ_RECEIVE_PENDING	0x000E	/* Not used in MAC-only microcode */ | 
|  | #define STS_IRQ_MASK		0x000F	/* = STS_ERROR_MASK. */ | 
|  |  | 
|  |  | 
|  | /* TRANSMIT_STATUS completion code: (SSB.Parm[0]) */ | 
|  | #define COMMAND_COMPLETE	0x0080	/* TRANSMIT command completed | 
|  | * (avoid this!) issue another transmit | 
|  | * to send additional frames. | 
|  | */ | 
|  | #define FRAME_COMPLETE		0x0040	/* Frame has been transmitted; | 
|  | * INTERRUPT_FRAME bit was set in the | 
|  | * CSTAT request; indication of possibly | 
|  | * more than one frame transmissions! | 
|  | * SSB.Parm[0-1]: 32 bit pointer to | 
|  | * TPL of last frame. | 
|  | */ | 
|  | #define LIST_ERROR		0x0020	/* Error in one of the TPLs that | 
|  | * compose the frame; TRANSMIT | 
|  | * terminated; Parm[1-2]: 32bit pointer | 
|  | * to TPL which starts the error | 
|  | * frame; error details in bits 8-13. | 
|  | * (14?) | 
|  | */ | 
|  | #define FRAME_SIZE_ERROR	0x8000	/* FRAME_SIZE does not equal the sum of | 
|  | * the valid DATA_COUNT fields; | 
|  | * FRAME_SIZE less than header plus | 
|  | * information field. (15 bytes + | 
|  | * routing field) Or if FRAME_SIZE | 
|  | * was specified as zero in one list. | 
|  | */ | 
|  | #define TX_THRESHOLD		0x4000	/* FRAME_SIZE greater than (BUFFER_SIZE | 
|  | * - 9) * TX_BUF_MAX. | 
|  | */ | 
|  | #define ODD_ADDRESS		0x2000	/* Odd forward pointer value is | 
|  | * read on a list without END_FRAME | 
|  | * indication. | 
|  | */ | 
|  | #define FRAME_ERROR		0x1000	/* START_FRAME bit (not) anticipated, | 
|  | * but (not) set. | 
|  | */ | 
|  | #define ACCESS_PRIORITY_ERROR	0x0800	/* Access priority requested has not | 
|  | * been allowed. | 
|  | */ | 
|  | #define UNENABLED_MAC_FRAME	0x0400	/* MAC frame has source class of zero | 
|  | * or MAC frame PCF ATTN field is | 
|  | * greater than one. | 
|  | */ | 
|  | #define ILLEGAL_FRAME_FORMAT	0x0200	/* Bit 0 or FC field was set to one. */ | 
|  |  | 
|  |  | 
|  | /* | 
|  | * Since we need to support some functions even if the adapter is in a | 
|  | * CLOSED state, we have a (pseudo-) command queue which holds commands | 
|  | * that are outstandig to be executed. | 
|  | * | 
|  | * Each time a command completes, an interrupt occurs and the next | 
|  | * command is executed. The command queue is actually a simple word with | 
|  | * a bit for each outstandig command. Therefore the commands will not be | 
|  | * executed in the order they have been queued. | 
|  | * | 
|  | * The following defines the command code bits and the command queue: | 
|  | */ | 
|  | #define OC_OPEN			0x0001	/* OPEN command */ | 
|  | #define OC_TRANSMIT		0x0002	/* TRANSMIT command */ | 
|  | #define OC_TRANSMIT_HALT	0x0004	/* TRANSMIT_HALT command */ | 
|  | #define OC_RECEIVE		0x0008	/* RECEIVE command */ | 
|  | #define OC_CLOSE		0x0010	/* CLOSE command */ | 
|  | #define OC_SET_GROUP_ADDR	0x0020	/* SET_GROUP_ADDR command */ | 
|  | #define OC_SET_FUNCT_ADDR	0x0040	/* SET_FUNCT_ADDR command */ | 
|  | #define OC_READ_ERROR_LOG	0x0080	/* READ_ERROR_LOG command */ | 
|  | #define OC_READ_ADAPTER		0x0100	/* READ_ADAPTER command */ | 
|  | #define OC_MODIFY_OPEN_PARMS	0x0400	/* MODIFY_OPEN_PARMS command */ | 
|  | #define OC_RESTORE_OPEN_PARMS	0x0800	/* RESTORE_OPEN_PARMS command */ | 
|  | #define OC_SET_FIRST_16_GROUP	0x1000	/* SET_FIRST_16_GROUP command */ | 
|  | #define OC_SET_BRIDGE_PARMS	0x2000	/* SET_BRIDGE_PARMS command */ | 
|  | #define OC_CONFIG_BRIDGE_PARMS	0x4000	/* CONFIG_BRIDGE_PARMS command */ | 
|  |  | 
|  | #define OPEN			0x0300	/* C: open command. S: completion. */ | 
|  | #define TRANSMIT		0x0400	/* C: transmit command. S: completion | 
|  | * status. (reject: COMMAND_REJECT if | 
|  | * adapter not opened, TRANSMIT already | 
|  | * issued or address passed in the SCB | 
|  | * not word aligned) | 
|  | */ | 
|  | #define TRANSMIT_HALT		0x0500	/* C: interrupt TX TPL chain; if no | 
|  | * TRANSMIT command issued, the command | 
|  | * is ignored (completion with TRANSMIT | 
|  | * status (0x0400)!) | 
|  | */ | 
|  | #define RECEIVE			0x0600	/* C: receive command. S: completion | 
|  | * status. (reject: COMMAND_REJECT if | 
|  | * adapter not opened, RECEIVE already | 
|  | * issued or address passed in the SCB | 
|  | * not word aligned) | 
|  | */ | 
|  | #define CLOSE			0x0700	/* C: close adapter. S: completion. | 
|  | * (COMMAND_REJECT if adapter not open) | 
|  | */ | 
|  | #define SET_GROUP_ADDR		0x0800	/* C: alter adapter group address after | 
|  | * OPEN. S: completion. (COMMAND_REJECT | 
|  | * if adapter not open) | 
|  | */ | 
|  | #define SET_FUNCT_ADDR		0x0900	/* C: alter adapter functional address | 
|  | * after OPEN. S: completion. | 
|  | * (COMMAND_REJECT if adapter not open) | 
|  | */ | 
|  | #define READ_ERROR_LOG		0x0A00	/* C: read adapter error counters. | 
|  | * S: completion. (command ignored | 
|  | * if adapter not open!) | 
|  | */ | 
|  | #define READ_ADAPTER		0x0B00	/* C: read data from adapter memory. | 
|  | * (important: after init and before | 
|  | * open!) S: completion. (ADAPTER_CHECK | 
|  | * interrupt if undefined storage area | 
|  | * read) | 
|  | */ | 
|  | #define MODIFY_OPEN_PARMS	0x0D00	/* C: modify some adapter operational | 
|  | * parameters. (bit correspondend to | 
|  | * WRAP_INTERFACE is ignored) | 
|  | * S: completion. (reject: | 
|  | * COMMAND_REJECT) | 
|  | */ | 
|  | #define RESTORE_OPEN_PARMS	0x0E00	/* C: modify some adapter operational | 
|  | * parameters. (bit correspondend | 
|  | * to WRAP_INTERFACE is ignored) | 
|  | * S: completion. (reject: | 
|  | * COMMAND_REJECT) | 
|  | */ | 
|  | #define SET_FIRST_16_GROUP	0x0F00	/* C: alter the first two bytes in | 
|  | * adapter group address. | 
|  | * S: completion. (reject: | 
|  | * COMMAND_REJECT) | 
|  | */ | 
|  | #define SET_BRIDGE_PARMS	0x1000	/* C: values and conditions for the | 
|  | * adapter hardware to use when frames | 
|  | * are copied for forwarding. | 
|  | * S: completion. (reject: | 
|  | * COMMAND_REJECT) | 
|  | */ | 
|  | #define CONFIG_BRIDGE_PARMS	0x1100	/* C: .. | 
|  | * S: completion. (reject: | 
|  | * COMMAND_REJECT) | 
|  | */ | 
|  |  | 
|  | #define SPEED_4			4 | 
|  | #define SPEED_16		16	/* Default transmission speed  */ | 
|  |  | 
|  |  | 
|  | /* Initialization Parameter Block (IPB); word alignment necessary! */ | 
|  | #define BURST_SIZE	0x0018	/* Default burst size */ | 
|  | #define BURST_MODE	0x9F00	/* Burst mode enable */ | 
|  | #define DMA_RETRIES	0x0505	/* Magic DMA retry number... */ | 
|  |  | 
|  | #define CYCLE_TIME	3	/* Default AT-bus cycle time: 500 ns | 
|  | * (later adapter version: fix  cycle time!) | 
|  | */ | 
|  | #define LINE_SPEED_BIT	0x80 | 
|  |  | 
|  | /* Macro definition for the wait function. */ | 
|  | #define ONE_SECOND_TICKS	1000000 | 
|  | #define HALF_SECOND		(ONE_SECOND_TICKS / 2) | 
|  | #define ONE_SECOND		(ONE_SECOND_TICKS) | 
|  | #define TWO_SECONDS		(ONE_SECOND_TICKS * 2) | 
|  | #define THREE_SECONDS		(ONE_SECOND_TICKS * 3) | 
|  | #define FOUR_SECONDS		(ONE_SECOND_TICKS * 4) | 
|  | #define FIVE_SECONDS		(ONE_SECOND_TICKS * 5) | 
|  |  | 
|  | #define BUFFER_SIZE 		2048	/* Buffers on Adapter */ | 
|  |  | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | unsigned short Init_Options;	/* Initialize with burst mode; | 
|  | * LLC disabled. (MAC only) | 
|  | */ | 
|  |  | 
|  | /* Interrupt vectors the adapter places on attached system bus. */ | 
|  | u_int8_t  CMD_Status_IV;    /* Interrupt vector: command status. */ | 
|  | u_int8_t  TX_IV;	    /* Interrupt vector: transmit. */ | 
|  | u_int8_t  RX_IV;	    /* Interrupt vector: receive. */ | 
|  | u_int8_t  Ring_Status_IV;   /* Interrupt vector: ring status. */ | 
|  | u_int8_t  SCB_Clear_IV;	    /* Interrupt vector: SCB clear. */ | 
|  | u_int8_t  Adapter_CHK_IV;   /* Interrupt vector: adapter check. */ | 
|  |  | 
|  | u_int16_t RX_Burst_Size;    /* Max. number of transfer cycles. */ | 
|  | u_int16_t TX_Burst_Size;    /* During DMA burst; even value! */ | 
|  | u_int16_t DMA_Abort_Thrhld; /* Number of DMA retries. */ | 
|  |  | 
|  | u_int32_t SCB_Addr;   /* SCB address: even, word aligned, high-low */ | 
|  | u_int32_t SSB_Addr;   /* SSB address: even, word aligned, high-low */ | 
|  | } IPB, *IPB_Ptr; | 
|  | #pragma pack() | 
|  |  | 
|  | /* | 
|  | * OPEN Command Parameter List (OCPL) (can be reused, if the adapter has to | 
|  | * be reopened) | 
|  | */ | 
|  | #define BUFFER_SIZE	2048		/* Buffers on Adapter. */ | 
|  | #define TPL_SIZE	8+6*TX_FRAG_NUM /* Depending on fragments per TPL. */ | 
|  | #define RPL_SIZE	14		/* (with TI firmware v2.26 handling | 
|  | * up to nine fragments possible) | 
|  | */ | 
|  | #define TX_BUF_MIN	20		/* ??? (Stephan: calculation with */ | 
|  | #define TX_BUF_MAX	40		/* BUFFER_SIZE and MAX_FRAME_SIZE) ??? | 
|  | */ | 
|  | #define DISABLE_EARLY_TOKEN_RELEASE 	0x1000 | 
|  |  | 
|  | /* OPEN Options (high-low) */ | 
|  | #define WRAP_INTERFACE		0x0080	/* Inserting omitted for test | 
|  | * purposes; transmit data appears | 
|  | * as receive data. (useful for | 
|  | * testing; change: CLOSE necessary) | 
|  | */ | 
|  | #define DISABLE_HARD_ERROR	0x0040	/* On HARD_ERROR & TRANSMIT_BEACON | 
|  | * no RING.STATUS interrupt. | 
|  | */ | 
|  | #define DISABLE_SOFT_ERROR	0x0020	/* On SOFT_ERROR, no RING.STATUS | 
|  | * interrupt. | 
|  | */ | 
|  | #define PASS_ADAPTER_MAC_FRAMES	0x0010	/* Passing unsupported MAC frames | 
|  | * to system. | 
|  | */ | 
|  | #define PASS_ATTENTION_FRAMES	0x0008	/* All changed attention MAC frames are | 
|  | * passed to the system. | 
|  | */ | 
|  | #define PAD_ROUTING_FIELD	0x0004	/* Routing field is padded to 18 | 
|  | * bytes. | 
|  | */ | 
|  | #define FRAME_HOLD		0x0002	/*Adapter waits for entire frame before | 
|  | * initiating DMA transfer; otherwise: | 
|  | * DMA transfer initiation if internal | 
|  | * buffer filled. | 
|  | */ | 
|  | #define CONTENDER		0x0001	/* Adapter participates in the monitor | 
|  | * contention process. | 
|  | */ | 
|  | #define PASS_BEACON_MAC_FRAMES	0x8000	/* Adapter passes beacon MAC frames | 
|  | * to the system. | 
|  | */ | 
|  | #define EARLY_TOKEN_RELEASE 	0x1000	/* Only valid in 16 Mbps operation; | 
|  | * 0 = ETR. (no effect in 4 Mbps | 
|  | * operation) | 
|  | */ | 
|  | #define COPY_ALL_MAC_FRAMES	0x0400	/* All MAC frames are copied to | 
|  | * the system. (after OPEN: duplicate | 
|  | * address test (DAT) MAC frame is | 
|  | * first received frame copied to the | 
|  | * system) | 
|  | */ | 
|  | #define COPY_ALL_NON_MAC_FRAMES	0x0200	/* All non MAC frames are copied to | 
|  | * the system. | 
|  | */ | 
|  | #define PASS_FIRST_BUF_ONLY	0x0100	/* Passes only first internal buffer | 
|  | * of each received frame; FrameSize | 
|  | * of RPLs must contain internal | 
|  | * BUFFER_SIZE bits for promiscous mode. | 
|  | */ | 
|  | #define ENABLE_FULL_DUPLEX_SELECTION	0x2000 | 
|  | /* Enable the use of full-duplex | 
|  | * settings with bits in byte 22 in | 
|  | * ocpl. (new feature in firmware | 
|  | * version 3.09) | 
|  | */ | 
|  |  | 
|  | /* Full-duplex settings */ | 
|  | #define OPEN_FULL_DUPLEX_OFF	0x0000 | 
|  | #define OPEN_FULL_DUPLEX_ON	0x00c0 | 
|  | #define OPEN_FULL_DUPLEX_AUTO	0x0080 | 
|  |  | 
|  | #define PROD_ID_SIZE	18	/* Length of product ID. */ | 
|  |  | 
|  | #define TX_FRAG_NUM	3	 /* Number of fragments used in one TPL. */ | 
|  | #define TX_MORE_FRAGMENTS 0x8000 /* Bit set in DataCount to indicate more | 
|  | * fragments following. | 
|  | */ | 
|  |  | 
|  | /* XXX is there some better way to do this? */ | 
|  | #define ISA_MAX_ADDRESS 	0x00ffffff | 
|  | #define PCI_MAX_ADDRESS		0xffffffff | 
|  |  | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | u_int16_t OPENOptions; | 
|  | u_int8_t  NodeAddr[6];	/* Adapter node address; use ROM | 
|  | * address | 
|  | */ | 
|  | u_int32_t GroupAddr;	/* Multicast: high order | 
|  | * bytes = 0xC000 | 
|  | */ | 
|  | u_int32_t FunctAddr;	/* High order bytes = 0xC000 */ | 
|  | u_int16_t RxListSize;	/* RPL size: 0 (=26), 14, 20 or | 
|  | * 26 bytes read by the adapter. | 
|  | * (Depending on the number of | 
|  | * fragments/list) | 
|  | */ | 
|  | u_int16_t TxListSize;	/* TPL size */ | 
|  | u_int16_t BufSize;	/* Is automatically rounded up to the | 
|  | * nearest nK boundary. | 
|  | */ | 
|  | u_int16_t FullDuplex; | 
|  | u_int16_t Reserved; | 
|  | u_int8_t  TXBufMin;	/* Number of adapter buffers reserved | 
|  | * for transmission a minimum of 2 | 
|  | * buffers must be allocated. | 
|  | */ | 
|  | u_int8_t  TXBufMax;	/* Maximum number of adapter buffers | 
|  | * for transmit; a minimum of 2 buffers | 
|  | * must be available for receive. | 
|  | * Default: 6 | 
|  | */ | 
|  | u_int16_t ProdIDAddr[2];/* Pointer to product ID. */ | 
|  | } OPB, *OPB_Ptr; | 
|  | #pragma pack() | 
|  |  | 
|  | /* | 
|  | * SCB: adapter commands enabled by the host system started by writing | 
|  | * CMD_INTERRUPT_ADAPTER | CMD_EXECUTE (|SCB_REQUEST) to the SIFCMD IO | 
|  | * register. (special case: | CMD_SYSTEM_IRQ for initialization) | 
|  | */ | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | u_int16_t CMD;		/* Command code */ | 
|  | u_int16_t Parm[2];	/* Pointer to Command Parameter Block */ | 
|  | } SCB;	/* System Command Block (32 bit physical address; big endian)*/ | 
|  | #pragma pack() | 
|  |  | 
|  | /* | 
|  | * SSB: adapter command return status can be evaluated after COMMAND_STATUS | 
|  | * adapter to system interrupt after reading SSB, the availability of the SSB | 
|  | * has to be told the adapter by writing CMD_INTERRUPT_ADAPTER | CMD_SSB_CLEAR | 
|  | * in the SIFCMD IO register. | 
|  | */ | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | u_int16_t STS;		/* Status code */ | 
|  | u_int16_t Parm[3];	/* Parameter or pointer to Status Parameter | 
|  | * Block. | 
|  | */ | 
|  | } SSB;	/* System Status Block (big endian - physical address)  */ | 
|  | #pragma pack() | 
|  |  | 
|  | typedef struct { | 
|  | unsigned short BurnedInAddrPtr;	/* Pointer to adapter burned in | 
|  | * address. (BIA) | 
|  | */ | 
|  | unsigned short SoftwareLevelPtr;/* Pointer to software level data. */ | 
|  | unsigned short AdapterAddrPtr;	/* Pointer to adapter addresses. */ | 
|  | unsigned short AdapterParmsPtr;	/* Pointer to adapter parameters. */ | 
|  | unsigned short MACBufferPtr;	/* Pointer to MAC buffer. (internal) */ | 
|  | unsigned short LLCCountersPtr;	/* Pointer to LLC counters.  */ | 
|  | unsigned short SpeedFlagPtr;	/* Pointer to data rate flag. | 
|  | * (4/16 Mbps) | 
|  | */ | 
|  | unsigned short AdapterRAMPtr;	/* Pointer to adapter RAM found. (KB) */ | 
|  | } INTPTRS;	/* Adapter internal pointers */ | 
|  |  | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | u_int8_t  Line_Error;		/* Line error: code violation in | 
|  | * frame or in a token, or FCS error. | 
|  | */ | 
|  | u_int8_t  Internal_Error;	/* IBM specific. (Reserved_1) */ | 
|  | u_int8_t  Burst_Error; | 
|  | u_int8_t  ARI_FCI_Error;	/* ARI/FCI bit zero in AMP or | 
|  | * SMP MAC frame. | 
|  | */ | 
|  | u_int8_t  AbortDelimeters;	/* IBM specific. (Reserved_2) */ | 
|  | u_int8_t  Reserved_3; | 
|  | u_int8_t  Lost_Frame_Error;	/* Receive of end of transmitted | 
|  | * frame failed. | 
|  | */ | 
|  | u_int8_t  Rx_Congest_Error;	/* Adapter in repeat mode has not | 
|  | * enough buffer space to copy incoming | 
|  | * frame. | 
|  | */ | 
|  | u_int8_t  Frame_Copied_Error;	/* ARI bit not zero in frame | 
|  | * addressed to adapter. | 
|  | */ | 
|  | u_int8_t  Frequency_Error;	/* IBM specific. (Reserved_4) */ | 
|  | u_int8_t  Token_Error;		/* (active only in monitor station) */ | 
|  | u_int8_t  Reserved_5; | 
|  | u_int8_t  DMA_Bus_Error;	/* DMA bus errors not exceeding the | 
|  | * abort thresholds. | 
|  | */ | 
|  | u_int8_t  DMA_Parity_Error;	/* DMA parity errors not exceeding | 
|  | * the abort thresholds. | 
|  | */ | 
|  | } ERRORTAB;	/* Adapter error counters */ | 
|  | #pragma pack() | 
|  |  | 
|  |  | 
|  | /*--------------------- Send and Receive definitions -------------------*/ | 
|  | #pragma pack(1) | 
|  | typedef struct { | 
|  | u_int16_t DataCount;	/* Value 0, even and odd values are | 
|  | * permitted; value is unaltered most | 
|  | * significant bit set: following | 
|  | * fragments last fragment: most | 
|  | * significant bit is not evaluated. | 
|  | * (???) | 
|  | */ | 
|  | u_int32_t DataAddr;	/* Pointer to frame data fragment; | 
|  | * even or odd. | 
|  | */ | 
|  | } Fragment; | 
|  | #pragma pack() | 
|  |  | 
|  | #define MAX_FRAG_NUMBERS    9	/* Maximal number of fragments possible to use | 
|  | * in one RPL/TPL. (depending on TI firmware | 
|  | * version) | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * AC (1), FC (1), Dst (6), Src (6), RIF (18), Data (4472) = 4504 | 
|  | * The packet size can be one of the follows: 548, 1502, 2084, 4504, 8176, | 
|  | * 11439, 17832. Refer to TMS380 Second Generation Token Ring User's Guide | 
|  | * Page 2-27. | 
|  | */ | 
|  | #define HEADER_SIZE		(1 + 1 + 6 + 6) | 
|  | #define SRC_SIZE		18 | 
|  | #define MIN_DATA_SIZE		516 | 
|  | #define DEFAULT_DATA_SIZE	4472 | 
|  | #define MAX_DATA_SIZE		17800 | 
|  |  | 
|  | #define DEFAULT_PACKET_SIZE (HEADER_SIZE + SRC_SIZE + DEFAULT_DATA_SIZE) | 
|  | #define MIN_PACKET_SIZE     (HEADER_SIZE + SRC_SIZE + MIN_DATA_SIZE) | 
|  | #define MAX_PACKET_SIZE     (HEADER_SIZE + SRC_SIZE + MAX_DATA_SIZE) | 
|  |  | 
|  | /* | 
|  | * Macros to deal with the frame status field. | 
|  | */ | 
|  | #define AC_NOT_RECOGNIZED	0x00 | 
|  | #define GROUP_BIT		0x80 | 
|  | #define GET_TRANSMIT_STATUS_HIGH_BYTE(Ts) ((unsigned char)((Ts) >> 8)) | 
|  | #define GET_FRAME_STATUS_HIGH_AC(Fs)	  ((unsigned char)(((Fs) & 0xC0) >> 6)) | 
|  | #define GET_FRAME_STATUS_LOW_AC(Fs)       ((unsigned char)(((Fs) & 0x0C) >> 2)) | 
|  | #define DIRECTED_FRAME(Context)           (!((Context)->MData[2] & GROUP_BIT)) | 
|  |  | 
|  |  | 
|  | /*--------------------- Send Functions ---------------------------------*/ | 
|  | /* define TX_CSTAT _REQUEST (R) and _COMPLETE (C) values (high-low) */ | 
|  |  | 
|  | #define TX_VALID		0x0080	/* R: set via TRANSMIT.VALID interrupt. | 
|  | * C: always reset to zero! | 
|  | */ | 
|  | #define TX_FRAME_COMPLETE	0x0040	/* R: must be reset to zero. | 
|  | * C: set to one. | 
|  | */ | 
|  | #define TX_START_FRAME		0x0020  /* R: start of a frame: 1 | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define TX_END_FRAME		0x0010  /* R: end of a frame: 1 | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define TX_FRAME_IRQ		0x0008  /* R: request interrupt generation | 
|  | * after transmission. | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define TX_ERROR		0x0004  /* R: reserved. | 
|  | * C: set to one if Error occurred. | 
|  | */ | 
|  | #define TX_INTERFRAME_WAIT	0x0004 | 
|  | #define TX_PASS_CRC		0x0002  /* R: set if CRC value is already | 
|  | * calculated. (valid only in | 
|  | * FRAME_START TPL) | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define TX_PASS_SRC_ADDR	0x0001  /* R: adapter uses explicit frame | 
|  | * source address and does not overwrite | 
|  | * with the adapter node address. | 
|  | * (valid only in FRAME_START TPL) | 
|  | * | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define TX_STRIP_FS		0xFF00  /* R: reserved. | 
|  | * C: if no Transmission Error, | 
|  | * field contains copy of FS byte after | 
|  | * stripping of frame. | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Structure of Transmit Parameter Lists (TPLs) (only one frame every TPL, | 
|  | * but possibly multiple TPLs for one frame) the length of the TPLs has to be | 
|  | * initialized in the OPL. (OPEN parameter list) | 
|  | */ | 
|  | #define TPL_NUM		3	/* Number of Transmit Parameter Lists. | 
|  | * !! MUST BE >= 3 !! | 
|  | */ | 
|  |  | 
|  | #pragma pack(1) | 
|  | typedef struct s_TPL TPL; | 
|  |  | 
|  | struct s_TPL {	/* Transmit Parameter List (align on even word boundaries) */ | 
|  | u_int32_t NextTPLAddr;		/* Pointer to next TPL in chain; if | 
|  | * pointer is odd: this is the last | 
|  | * TPL. Pointing to itself can cause | 
|  | * problems! | 
|  | */ | 
|  | volatile u_int16_t Status;	/* Initialized by the adapter: | 
|  | * CSTAT_REQUEST important: update least | 
|  | * significant bit first! Set by the | 
|  | * adapter: CSTAT_COMPLETE status. | 
|  | */ | 
|  | u_int16_t FrameSize;		/* Number of bytes to be transmitted | 
|  | * as a frame including AC/FC, | 
|  | * Destination, Source, Routing field | 
|  | * not including CRC, FS, End Delimiter | 
|  | * (valid only if START_FRAME bit in | 
|  | * CSTAT nonzero) must not be zero in | 
|  | * any list; maximum value: (BUFFER_SIZE | 
|  | * - 8) * TX_BUF_MAX sum of DataCount | 
|  | * values in FragmentList must equal | 
|  | * Frame_Size value in START_FRAME TPL! | 
|  | * frame data fragment list. | 
|  | */ | 
|  |  | 
|  | /* TPL/RPL size in OPEN parameter list depending on maximal | 
|  | * numbers of fragments used in one parameter list. | 
|  | */ | 
|  | Fragment FragList[TX_FRAG_NUM];	/* Maximum: nine frame fragments in one | 
|  | * TPL actual version of firmware: 9 | 
|  | * fragments possible. | 
|  | */ | 
|  | #pragma pack() | 
|  |  | 
|  | /* Special proprietary data and precalculations */ | 
|  |  | 
|  | TPL *NextTPLPtr;		/* Pointer to next TPL in chain. */ | 
|  | unsigned char *MData; | 
|  | struct sk_buff *Skb; | 
|  | unsigned char TPLIndex; | 
|  | volatile unsigned char BusyFlag;/* Flag: TPL busy? */ | 
|  | dma_addr_t DMABuff;		/* DMA IO bus address from dma_map */ | 
|  | }; | 
|  |  | 
|  | /* ---------------------Receive Functions-------------------------------* | 
|  | * define RECEIVE_CSTAT_REQUEST (R) and RECEIVE_CSTAT_COMPLETE (C) values. | 
|  | * (high-low) | 
|  | */ | 
|  | #define RX_VALID		0x0080	/* R: set; tell adapter with | 
|  | * RECEIVE.VALID interrupt. | 
|  | * C: reset to zero. | 
|  | */ | 
|  | #define RX_FRAME_COMPLETE	0x0040  /* R: must be reset to zero, | 
|  | * C: set to one. | 
|  | */ | 
|  | #define RX_START_FRAME		0x0020  /* R: must be reset to zero. | 
|  | * C: set to one on the list. | 
|  | */ | 
|  | #define RX_END_FRAME		0x0010  /* R: must be reset to zero. | 
|  | * C: set to one on the list | 
|  | * that ends the frame. | 
|  | */ | 
|  | #define RX_FRAME_IRQ		0x0008  /* R: request interrupt generation | 
|  | * after receive. | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define RX_INTERFRAME_WAIT	0x0004  /* R: after receiving a frame: | 
|  | * interrupt and wait for a | 
|  | * RECEIVE.CONTINUE. | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define RX_PASS_CRC		0x0002  /* R: if set, the adapter includes | 
|  | * the CRC in data passed. (last four | 
|  | * bytes; valid only if FRAME_START is | 
|  | * set) | 
|  | * C: set, if CRC is included in | 
|  | * received data. | 
|  | */ | 
|  | #define RX_PASS_SRC_ADDR	0x0001  /* R: adapter uses explicit frame | 
|  | * source address and does not | 
|  | * overwrite with the adapter node | 
|  | * address. (valid only if FRAME_START | 
|  | * is set) | 
|  | * C: unchanged. | 
|  | */ | 
|  | #define RX_RECEIVE_FS		0xFC00  /* R: reserved; must be reset to zero. | 
|  | * C: on lists with START_FRAME, field | 
|  | * contains frame status field from | 
|  | * received frame; otherwise cleared. | 
|  | */ | 
|  | #define RX_ADDR_MATCH		0x0300  /* R: reserved; must be reset to zero. | 
|  | * C: address match code mask. | 
|  | */ | 
|  | #define RX_STATUS_MASK		0x00FF  /* Mask for receive status bits. */ | 
|  |  | 
|  | #define RX_INTERN_ADDR_MATCH    0x0100  /* C: internally address match. */ | 
|  | #define RX_EXTERN_ADDR_MATCH    0x0200  /* C: externally matched via | 
|  | * XMATCH/XFAIL interface. | 
|  | */ | 
|  | #define RX_INTEXT_ADDR_MATCH    0x0300  /* C: internally and externally | 
|  | * matched. | 
|  | */ | 
|  | #define RX_READY (RX_VALID | RX_FRAME_IRQ) /* Ready for receive. */ | 
|  |  | 
|  | /* Constants for Command Status Interrupt. | 
|  | * COMMAND_REJECT status field bit functions (SSB.Parm[0]) | 
|  | */ | 
|  | #define ILLEGAL_COMMAND		0x0080	/* Set if an unknown command | 
|  | * is issued to the adapter | 
|  | */ | 
|  | #define ADDRESS_ERROR		0x0040  /* Set if any address field in | 
|  | * the SCB is odd. (not word aligned) | 
|  | */ | 
|  | #define ADAPTER_OPEN		0x0020  /* Command issued illegal with | 
|  | * open adapter. | 
|  | */ | 
|  | #define ADAPTER_CLOSE		0x0010  /* Command issued illegal with | 
|  | * closed adapter. | 
|  | */ | 
|  | #define SAME_COMMAND		0x0008  /* Command issued with same command | 
|  | * already executing. | 
|  | */ | 
|  |  | 
|  | /* OPEN_COMPLETION values (SSB.Parm[0], MSB) */ | 
|  | #define NODE_ADDR_ERROR		0x0040  /* Wrong address or BIA read | 
|  | * zero address. | 
|  | */ | 
|  | #define LIST_SIZE_ERROR		0x0020  /* If List_Size value not in 0, | 
|  | * 14, 20, 26. | 
|  | */ | 
|  | #define BUF_SIZE_ERROR		0x0010  /* Not enough available memory for | 
|  | * two buffers. | 
|  | */ | 
|  | #define TX_BUF_COUNT_ERROR	0x0004  /* Remaining receive buffers less than | 
|  | * two. | 
|  | */ | 
|  | #define OPEN_ERROR		0x0002	/* Error during ring insertion; more | 
|  | * information in bits 8-15. | 
|  | */ | 
|  |  | 
|  | /* Standard return codes */ | 
|  | #define GOOD_COMPLETION		0x0080  /* =OPEN_SUCCESSFULL */ | 
|  | #define INVALID_OPEN_OPTION	0x0001  /* OPEN options are not supported by | 
|  | * the adapter. | 
|  | */ | 
|  |  | 
|  | /* OPEN phases; details of OPEN_ERROR (SSB.Parm[0], LSB)            */ | 
|  | #define OPEN_PHASES_MASK            0xF000  /* Check only the bits 8-11. */ | 
|  | #define LOBE_MEDIA_TEST             0x1000 | 
|  | #define PHYSICAL_INSERTION          0x2000 | 
|  | #define ADDRESS_VERIFICATION        0x3000 | 
|  | #define PARTICIPATION_IN_RING_POLL  0x4000 | 
|  | #define REQUEST_INITIALISATION      0x5000 | 
|  | #define FULLDUPLEX_CHECK            0x6000 | 
|  |  | 
|  | /* OPEN error codes; details of OPEN_ERROR (SSB.Parm[0], LSB) */ | 
|  | #define OPEN_ERROR_CODES_MASK	0x0F00  /* Check only the bits 12-15. */ | 
|  | #define OPEN_FUNCTION_FAILURE   0x0100  /* Unable to transmit to itself or | 
|  | * frames received before insertion. | 
|  | */ | 
|  | #define OPEN_SIGNAL_LOSS	0x0200	/* Signal loss condition detected at | 
|  | * receiver. | 
|  | */ | 
|  | #define OPEN_TIMEOUT		0x0500	/* Insertion timer expired before | 
|  | * logical insertion. | 
|  | */ | 
|  | #define OPEN_RING_FAILURE	0x0600	/* Unable to receive own ring purge | 
|  | * MAC frames. | 
|  | */ | 
|  | #define OPEN_RING_BEACONING	0x0700	/* Beacon MAC frame received after | 
|  | * ring insertion. | 
|  | */ | 
|  | #define OPEN_DUPLICATE_NODEADDR	0x0800  /* Other station in ring found | 
|  | * with the same address. | 
|  | */ | 
|  | #define OPEN_REQUEST_INIT	0x0900	/* RPS present but does not respond. */ | 
|  | #define OPEN_REMOVE_RECEIVED    0x0A00  /* Adapter received a remove adapter | 
|  | * MAC frame. | 
|  | */ | 
|  | #define OPEN_FULLDUPLEX_SET	0x0D00	/* Got this with full duplex on when | 
|  | * trying to connect to a normal ring. | 
|  | */ | 
|  |  | 
|  | /* SET_BRIDGE_PARMS return codes: */ | 
|  | #define BRIDGE_INVALID_MAX_LEN  0x4000  /* MAX_ROUTING_FIELD_LENGTH odd, | 
|  | * less than 6 or > 30. | 
|  | */ | 
|  | #define BRIDGE_INVALID_SRC_RING 0x2000  /* SOURCE_RING number zero, too large | 
|  | * or = TARGET_RING. | 
|  | */ | 
|  | #define BRIDGE_INVALID_TRG_RING 0x1000  /* TARGET_RING number zero, too large | 
|  | * or = SOURCE_RING. | 
|  | */ | 
|  | #define BRIDGE_INVALID_BRDGE_NO 0x0800  /* BRIDGE_NUMBER too large. */ | 
|  | #define BRIDGE_INVALID_OPTIONS  0x0400  /* Invalid bridge options. */ | 
|  | #define BRIDGE_DIAGS_FAILED     0x0200  /* Diagnostics of TMS380SRA failed. */ | 
|  | #define BRIDGE_NO_SRA           0x0100  /* The TMS380SRA does not exist in HW | 
|  | * configuration. | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * Bring Up Diagnostics error codes. | 
|  | */ | 
|  | #define BUD_INITIAL_ERROR       0x0 | 
|  | #define BUD_CHECKSUM_ERROR      0x1 | 
|  | #define BUD_ADAPTER_RAM_ERROR   0x2 | 
|  | #define BUD_INSTRUCTION_ERROR   0x3 | 
|  | #define BUD_CONTEXT_ERROR       0x4 | 
|  | #define BUD_PROTOCOL_ERROR      0x5 | 
|  | #define BUD_INTERFACE_ERROR	0x6 | 
|  |  | 
|  | /* BUD constants */ | 
|  | #define BUD_MAX_RETRIES         3 | 
|  | #define BUD_MAX_LOOPCNT         6 | 
|  | #define BUD_TIMEOUT             3000 | 
|  |  | 
|  | /* Initialization constants */ | 
|  | #define INIT_MAX_RETRIES        3	/* Maximum three retries. */ | 
|  | #define INIT_MAX_LOOPCNT        22      /* Maximum loop counts. */ | 
|  |  | 
|  | /* RING STATUS field values (high/low) */ | 
|  | #define SIGNAL_LOSS             0x0080  /* Loss of signal on the ring | 
|  | * detected. | 
|  | */ | 
|  | #define HARD_ERROR              0x0040  /* Transmitting or receiving beacon | 
|  | * frames. | 
|  | */ | 
|  | #define SOFT_ERROR              0x0020  /* Report error MAC frame | 
|  | * transmitted. | 
|  | */ | 
|  | #define TRANSMIT_BEACON         0x0010  /* Transmitting beacon frames on the | 
|  | * ring. | 
|  | */ | 
|  | #define LOBE_WIRE_FAULT         0x0008  /* Open or short circuit in the | 
|  | * cable to concentrator; adapter | 
|  | * closed. | 
|  | */ | 
|  | #define AUTO_REMOVAL_ERROR      0x0004  /* Lobe wrap test failed, deinserted; | 
|  | * adapter closed. | 
|  | */ | 
|  | #define REMOVE_RECEIVED         0x0001  /* Received a remove ring station MAC | 
|  | * MAC frame request; adapter closed. | 
|  | */ | 
|  | #define COUNTER_OVERFLOW        0x8000  /* Overflow of one of the adapters | 
|  | * error counters; READ.ERROR.LOG. | 
|  | */ | 
|  | #define SINGLE_STATION          0x4000  /* Adapter is the only station on the | 
|  | * ring. | 
|  | */ | 
|  | #define RING_RECOVERY           0x2000  /* Claim token MAC frames on the ring; | 
|  | * reset after ring purge frame. | 
|  | */ | 
|  |  | 
|  | #define ADAPTER_CLOSED (LOBE_WIRE_FAULT | AUTO_REMOVAL_ERROR |\ | 
|  | REMOVE_RECEIVED) | 
|  |  | 
|  | /* Adapter_check_block.Status field bit assignments: */ | 
|  | #define DIO_PARITY              0x8000  /* Adapter detects bad parity | 
|  | * through direct I/O access. | 
|  | */ | 
|  | #define DMA_READ_ABORT          0x4000  /* Aborting DMA read operation | 
|  | * from system Parm[0]: 0=timeout, | 
|  | * 1=parity error, 2=bus error; | 
|  | * Parm[1]: 32 bit pointer to host | 
|  | * system address at failure. | 
|  | */ | 
|  | #define DMA_WRITE_ABORT         0x2000  /* Aborting DMA write operation | 
|  | * to system. (parameters analogous to | 
|  | * DMA_READ_ABORT) | 
|  | */ | 
|  | #define ILLEGAL_OP_CODE         0x1000  /* Illegal operation code in the | 
|  | * the adapters firmware Parm[0]-2: | 
|  | * communications processor registers | 
|  | * R13-R15. | 
|  | */ | 
|  | #define PARITY_ERRORS           0x0800  /* Adapter detects internal bus | 
|  | * parity error. | 
|  | */ | 
|  | #define RAM_DATA_ERROR          0x0080  /* Valid only during RAM testing; | 
|  | * RAM data error Parm[0-1]: 32 bit | 
|  | * pointer to RAM location. | 
|  | */ | 
|  | #define RAM_PARITY_ERROR        0x0040  /* Valid only during RAM testing; | 
|  | * RAM parity error Parm[0-1]: 32 bit | 
|  | * pointer to RAM location. | 
|  | */ | 
|  | #define RING_UNDERRUN           0x0020  /* Internal DMA underrun when | 
|  | * transmitting onto ring. | 
|  | */ | 
|  | #define INVALID_IRQ             0x0008  /* Unrecognized interrupt generated | 
|  | * internal to adapter Parm[0-2]: | 
|  | * adapter register R13-R15. | 
|  | */ | 
|  | #define INVALID_ERROR_IRQ       0x0004  /* Unrecognized error interrupt | 
|  | * generated Parm[0-2]: adapter register | 
|  | * R13-R15. | 
|  | */ | 
|  | #define INVALID_XOP             0x0002  /* Unrecognized XOP request in | 
|  | * communication processor Parm[0-2]: | 
|  | * adapter register R13-R15. | 
|  | */ | 
|  | #define CHECKADDR               0x05E0  /* Adapter check status information | 
|  | * address offset. | 
|  | */ | 
|  | #define ROM_PAGE_0              0x0000  /* Adapter ROM page 0. */ | 
|  |  | 
|  | /* | 
|  | * RECEIVE.STATUS interrupt result SSB values: (high-low) | 
|  | * (RECEIVE_COMPLETE field bit definitions in SSB.Parm[0]) | 
|  | */ | 
|  | #define RX_COMPLETE             0x0080  /* SSB.Parm[0]; SSB.Parm[1]: 32 | 
|  | * bit pointer to last RPL. | 
|  | */ | 
|  | #define RX_SUSPENDED            0x0040  /* SSB.Parm[0]; SSB.Parm[1]: 32 | 
|  | * bit pointer to RPL with odd | 
|  | * forward pointer. | 
|  | */ | 
|  |  | 
|  | /* Valid receive CSTAT: */ | 
|  | #define RX_FRAME_CONTROL_BITS (RX_VALID | RX_START_FRAME | RX_END_FRAME | \ | 
|  | RX_FRAME_COMPLETE) | 
|  | #define VALID_SINGLE_BUFFER_FRAME (RX_START_FRAME | RX_END_FRAME | \ | 
|  | RX_FRAME_COMPLETE) | 
|  |  | 
|  | typedef enum SKB_STAT SKB_STAT; | 
|  | enum SKB_STAT { | 
|  | SKB_UNAVAILABLE, | 
|  | SKB_DMA_DIRECT, | 
|  | SKB_DATA_COPY | 
|  | }; | 
|  |  | 
|  | /* Receive Parameter List (RPL) The length of the RPLs has to be initialized | 
|  | * in the OPL. (OPEN parameter list) | 
|  | */ | 
|  | #define RPL_NUM		3 | 
|  |  | 
|  | #define RX_FRAG_NUM     1	/* Maximal number of used fragments in one RPL. | 
|  | * (up to firmware v2.24: 3, now: up to 9) | 
|  | */ | 
|  |  | 
|  | #pragma pack(1) | 
|  | typedef struct s_RPL RPL; | 
|  | struct s_RPL {	/* Receive Parameter List */ | 
|  | u_int32_t NextRPLAddr;		/* Pointer to next RPL in chain | 
|  | * (normalized = physical 32 bit | 
|  | * address) if pointer is odd: this | 
|  | * is last RPL. Pointing to itself can | 
|  | * cause problems! | 
|  | */ | 
|  | volatile u_int16_t Status;	/* Set by creation of Receive Parameter | 
|  | * List RECEIVE_CSTAT_COMPLETE set by | 
|  | * adapter in lists that start or end | 
|  | * a frame. | 
|  | */ | 
|  | volatile u_int16_t FrameSize;	 /* Number of bytes received as a | 
|  | * frame including AC/FC, Destination, | 
|  | * Source, Routing field not including | 
|  | * CRC, FS (Frame Status), End Delimiter | 
|  | * (valid only if START_FRAME bit in | 
|  | * CSTAT nonzero) must not be zero in | 
|  | * any list; maximum value: (BUFFER_SIZE | 
|  | * - 8) * TX_BUF_MAX sum of DataCount | 
|  | * values in FragmentList must equal | 
|  | * Frame_Size value in START_FRAME TPL! | 
|  | * frame data fragment list | 
|  | */ | 
|  |  | 
|  | /* TPL/RPL size in OPEN parameter list depending on maximal numbers | 
|  | * of fragments used in one parameter list. | 
|  | */ | 
|  | Fragment FragList[RX_FRAG_NUM];	/* Maximum: nine frame fragments in | 
|  | * one TPL. Actual version of firmware: | 
|  | * 9 fragments possible. | 
|  | */ | 
|  | #pragma pack() | 
|  |  | 
|  | /* Special proprietary data and precalculations. */ | 
|  | RPL *NextRPLPtr;	/* Logical pointer to next RPL in chain. */ | 
|  | unsigned char *MData; | 
|  | struct sk_buff *Skb; | 
|  | SKB_STAT SkbStat; | 
|  | int RPLIndex; | 
|  | dma_addr_t DMABuff;		/* DMA IO bus address from dma_map */ | 
|  | }; | 
|  |  | 
|  | /* Information that need to be kept for each board. */ | 
|  | typedef struct net_local { | 
|  | #pragma pack(1) | 
|  | IPB ipb;	/* Initialization Parameter Block. */ | 
|  | SCB scb;	/* System Command Block: system to adapter | 
|  | * communication. | 
|  | */ | 
|  | SSB ssb;	/* System Status Block: adapter to system | 
|  | * communication. | 
|  | */ | 
|  | OPB ocpl;	/* Open Options Parameter Block. */ | 
|  |  | 
|  | ERRORTAB errorlogtable;	/* Adapter statistic error counters. | 
|  | * (read from adapter memory) | 
|  | */ | 
|  | unsigned char ProductID[PROD_ID_SIZE + 1]; /* Product ID */ | 
|  | #pragma pack() | 
|  |  | 
|  | TPL Tpl[TPL_NUM]; | 
|  | TPL *TplFree; | 
|  | TPL *TplBusy; | 
|  | unsigned char LocalTxBuffers[TPL_NUM][DEFAULT_PACKET_SIZE]; | 
|  |  | 
|  | RPL Rpl[RPL_NUM]; | 
|  | RPL *RplHead; | 
|  | RPL *RplTail; | 
|  | unsigned char LocalRxBuffers[RPL_NUM][DEFAULT_PACKET_SIZE]; | 
|  |  | 
|  | struct device *pdev; | 
|  | int DataRate; | 
|  | unsigned char ScbInUse; | 
|  | unsigned short CMDqueue; | 
|  |  | 
|  | unsigned long AdapterOpenFlag:1; | 
|  | unsigned long AdapterVirtOpenFlag:1; | 
|  | unsigned long OpenCommandIssued:1; | 
|  | unsigned long TransmitCommandActive:1; | 
|  | unsigned long TransmitHaltScheduled:1; | 
|  | unsigned long HaltInProgress:1; | 
|  | unsigned long LobeWireFaultLogged:1; | 
|  | unsigned long ReOpenInProgress:1; | 
|  | unsigned long Sleeping:1; | 
|  |  | 
|  | unsigned long LastOpenStatus; | 
|  | unsigned short CurrentRingStatus; | 
|  | unsigned long MaxPacketSize; | 
|  |  | 
|  | unsigned long StartTime; | 
|  | unsigned long LastSendTime; | 
|  |  | 
|  | struct tr_statistics MacStat;	/* MAC statistics structure */ | 
|  |  | 
|  | unsigned long dmalimit; /* the max DMA address (ie, ISA) */ | 
|  | dma_addr_t    dmabuffer; /* the DMA bus address corresponding to | 
|  | priv. Might be different from virt_to_bus() | 
|  | for architectures with IO MMU (Alpha) */ | 
|  |  | 
|  | struct timer_list timer; | 
|  |  | 
|  | wait_queue_head_t  wait_for_tok_int; | 
|  |  | 
|  | INTPTRS intptrs;	/* Internal adapter pointer. Must be read | 
|  | * before OPEN command. | 
|  | */ | 
|  | unsigned short (*setnselout)(struct net_device *); | 
|  | unsigned short (*sifreadb)(struct net_device *, unsigned short); | 
|  | void (*sifwriteb)(struct net_device *, unsigned short, unsigned short); | 
|  | unsigned short (*sifreadw)(struct net_device *, unsigned short); | 
|  | void (*sifwritew)(struct net_device *, unsigned short, unsigned short); | 
|  |  | 
|  | spinlock_t lock;                /* SMP protection */ | 
|  | void *tmspriv; | 
|  | } NET_LOCAL; | 
|  |  | 
|  | #endif	/* __KERNEL__ */ | 
|  | #endif	/* __LINUX_TMS380TR_H */ |