drivers/net/seeq8005.h - maze/linux - Git at Google

 /*
  * defines, etc for the seeq8005
  */

 /*
  * This file is distributed under GPL.
  *
  * This style and layout of this file is also copied
  * from many of the other linux network device drivers.
  */

 /* The number of low I/O ports used by the ethercard. */
 #define SEEQ8005_IO_EXTENT	16

 #define SEEQ_B		(ioaddr)

 #define	SEEQ_CMD	(SEEQ_B)		/* Write only */
 #define	SEEQ_STATUS	(SEEQ_B)		/* Read only */
 #define SEEQ_CFG1	(SEEQ_B + 2)
 #define SEEQ_CFG2	(SEEQ_B + 4)
 #define	SEEQ_REA	(SEEQ_B + 6)		/* Receive End Area Register */
 #define SEEQ_RPR	(SEEQ_B + 10)		/* Receive Pointer Register */
 #define	SEEQ_TPR	(SEEQ_B + 12)		/* Transmit Pointer Register */
 #define	SEEQ_DMAAR	(SEEQ_B + 14)		/* DMA Address Register */
 #define SEEQ_BUFFER	(SEEQ_B + 8)		/* Buffer Window Register */

 #define	DEFAULT_TEA	(0x3f)

 #define SEEQCMD_DMA_INT_EN	(0x0001)	/* DMA Interrupt Enable */
 #define SEEQCMD_RX_INT_EN	(0x0002)	/* Receive Interrupt Enable */
 #define SEEQCMD_TX_INT_EN	(0x0004)	/* Transmit Interrupt Enable */
 #define SEEQCMD_WINDOW_INT_EN	(0x0008)	/* What the hell is this for?? */
 #define SEEQCMD_INT_MASK	(0x000f)

 #define SEEQCMD_DMA_INT_ACK	(0x0010)	/* DMA ack */
 #define SEEQCMD_RX_INT_ACK	(0x0020)
 #define SEEQCMD_TX_INT_ACK	(0x0040)
 #define	SEEQCMD_WINDOW_INT_ACK	(0x0080)
 #define SEEQCMD_ACK_ALL		(0x00f0)

 #define SEEQCMD_SET_DMA_ON	(0x0100)	/* Enables DMA Request logic */
 #define SEEQCMD_SET_RX_ON	(0x0200)	/* Enables Packet RX */
 #define SEEQCMD_SET_TX_ON	(0x0400)	/* Starts TX run */
 #define SEEQCMD_SET_DMA_OFF	(0x0800)
 #define SEEQCMD_SET_RX_OFF	(0x1000)
 #define SEEQCMD_SET_TX_OFF	(0x2000)
 #define SEEQCMD_SET_ALL_OFF	(0x3800)	/* set all logic off */

 #define SEEQCMD_FIFO_READ	(0x4000)	/* Set FIFO to read mode (read from Buffer) */
 #define SEEQCMD_FIFO_WRITE	(0x8000)	/* Set FIFO to write mode */

 #define SEEQSTAT_DMA_INT_EN	(0x0001)	/* Status of interrupt enable */
 #define SEEQSTAT_RX_INT_EN	(0x0002)
 #define SEEQSTAT_TX_INT_EN	(0x0004)
 #define SEEQSTAT_WINDOW_INT_EN	(0x0008)

 #define	SEEQSTAT_DMA_INT	(0x0010)	/* Interrupt flagged */
 #define SEEQSTAT_RX_INT		(0x0020)
 #define SEEQSTAT_TX_INT		(0x0040)
 #define	SEEQSTAT_WINDOW_INT	(0x0080)
 #define SEEQSTAT_ANY_INT	(0x00f0)

 #define SEEQSTAT_DMA_ON		(0x0100)	/* DMA logic on */
 #define SEEQSTAT_RX_ON		(0x0200)	/* Packet RX on */
 #define SEEQSTAT_TX_ON		(0x0400)	/* TX running */

 #define SEEQSTAT_FIFO_FULL	(0x2000)
 #define SEEQSTAT_FIFO_EMPTY	(0x4000)
 #define SEEQSTAT_FIFO_DIR	(0x8000)	/* 1=read, 0=write */

 #define SEEQCFG1_BUFFER_MASK	(0x000f)	/* define what maps into the BUFFER register */
 #define SEEQCFG1_BUFFER_MAC0	(0x0000)	/* MAC station addresses 0-5 */
 #define SEEQCFG1_BUFFER_MAC1	(0x0001)
 #define SEEQCFG1_BUFFER_MAC2	(0x0002)
 #define SEEQCFG1_BUFFER_MAC3	(0x0003)
 #define SEEQCFG1_BUFFER_MAC4	(0x0004)
 #define SEEQCFG1_BUFFER_MAC5	(0x0005)
 #define SEEQCFG1_BUFFER_PROM	(0x0006)	/* The Address/CFG PROM */
 #define SEEQCFG1_BUFFER_TEA	(0x0007)	/* Transmit end area */
 #define SEEQCFG1_BUFFER_BUFFER	(0x0008)	/* Packet buffer memory */
 #define SEEQCFG1_BUFFER_INT_VEC	(0x0009)	/* Interrupt Vector */

 #define SEEQCFG1_DMA_INTVL_MASK	(0x0030)
 #define SEEQCFG1_DMA_CONT	(0x0000)
 #define SEEQCFG1_DMA_800ns	(0x0010)
 #define SEEQCFG1_DMA_1600ns	(0x0020)
 #define SEEQCFG1_DMA_3200ns	(0x0030)

 #define SEEQCFG1_DMA_LEN_MASK	(0x00c0)
 #define SEEQCFG1_DMA_LEN1	(0x0000)
 #define SEEQCFG1_DMA_LEN2	(0x0040)
 #define SEEQCFG1_DMA_LEN4	(0x0080)
 #define SEEQCFG1_DMA_LEN8	(0x00c0)

 #define SEEQCFG1_MAC_MASK	(0x3f00)	/* Dis/enable bits for MAC addresses */
 #define SEEQCFG1_MAC0_EN	(0x0100)
 #define SEEQCFG1_MAC1_EN	(0x0200)
 #define SEEQCFG1_MAC2_EN	(0x0400)
 #define SEEQCFG1_MAC3_EN	(0x0800)
 #define	SEEQCFG1_MAC4_EN	(0x1000)
 #define SEEQCFG1_MAC5_EN	(0x2000)

 #define	SEEQCFG1_MATCH_MASK	(0xc000)	/* Packet matching logic cfg bits */
 #define SEEQCFG1_MATCH_SPECIFIC	(0x0000)	/* only matching MAC addresses */
 #define SEEQCFG1_MATCH_BROAD	(0x4000)	/* matching and broadcast addresses */
 #define SEEQCFG1_MATCH_MULTI	(0x8000)	/* matching, broadcast and multicast */
 #define SEEQCFG1_MATCH_ALL	(0xc000)	/* Promiscuous mode */

 #define SEEQCFG1_DEFAULT	(SEEQCFG1_BUFFER_BUFFER | SEEQCFG1_MAC0_EN | SEEQCFG1_MATCH_BROAD)

 #define SEEQCFG2_BYTE_SWAP	(0x0001)	/* 0=Intel byte-order */
 #define SEEQCFG2_AUTO_REA	(0x0002)	/* if set, Receive End Area will be updated when reading from Buffer */

 #define SEEQCFG2_CRC_ERR_EN	(0x0008)	/* enables receiving of packets with CRC errors */
 #define SEEQCFG2_DRIBBLE_EN	(0x0010)	/* enables receiving of non-aligned packets */
 #define SEEQCFG2_SHORT_EN	(0x0020)	/* enables receiving of short packets */

 #define	SEEQCFG2_SLOTSEL	(0x0040)	/* 0= standard IEEE802.3, 1= smaller,faster, non-standard */
 #define SEEQCFG2_NO_PREAM	(0x0080)	/* 1= user supplies Xmit preamble bytes */
 #define SEEQCFG2_ADDR_LEN	(0x0100)	/* 1= 2byte addresses */
 #define SEEQCFG2_REC_CRC	(0x0200)	/* 0= received packets will have CRC stripped from them */
 #define SEEQCFG2_XMIT_NO_CRC	(0x0400)	/* don't xmit CRC with each packet (user supplies it) */
 #define SEEQCFG2_LOOPBACK	(0x0800)
 #define SEEQCFG2_CTRLO		(0x1000)
 #define SEEQCFG2_RESET		(0x8000)	/* software Hard-reset bit */

 struct seeq_pkt_hdr {
 	unsigned short	next;			/* address of next packet header */
 	unsigned char	babble_int:1,		/* enable int on >1514 byte packet */
 			coll_int:1,		/* enable int on collision */
 			coll_16_int:1,		/* enable int on >15 collision */
 			xmit_int:1,		/* enable int on success (or xmit with <15 collision) */
 			unused:1,
 			data_follows:1,		/* if not set, process this as a header and pointer only */
 			chain_cont:1,		/* if set, more headers in chain 		only cmd bit valid in recv header */
 			xmit_recv:1;		/* if set, a xmit packet, else a receive packet.*/
 	unsigned char	status;
 };

 #define SEEQPKTH_BAB_INT_EN	(0x01)		/* xmit only */
 #define SEEQPKTH_COL_INT_EN	(0x02)		/* xmit only */
 #define SEEQPKTH_COL16_INT_EN	(0x04)		/* xmit only */
 #define SEEQPKTH_XMIT_INT_EN	(0x08)		/* xmit only */
 #define SEEQPKTH_DATA_FOLLOWS	(0x20)		/* supposedly in xmit only */
 #define SEEQPKTH_CHAIN		(0x40)		/* more headers follow */
 #define SEEQPKTH_XMIT		(0x80)

 #define SEEQPKTS_BABBLE		(0x0100)	/* xmit only */
 #define SEEQPKTS_OVERSIZE	(0x0100)	/* recv only */
 #define SEEQPKTS_COLLISION	(0x0200)	/* xmit only */
 #define SEEQPKTS_CRC_ERR	(0x0200)	/* recv only */
 #define SEEQPKTS_COLL16		(0x0400)	/* xmit only */
 #define SEEQPKTS_DRIB		(0x0400)	/* recv only */
 #define SEEQPKTS_SHORT		(0x0800)	/* recv only */
 #define SEEQPKTS_DONE		(0x8000)
 #define SEEQPKTS_ANY_ERROR	(0x0f00)
	/*
	* defines, etc for the seeq8005
	*/

	/*
	* This file is distributed under GPL.
	*
	* This style and layout of this file is also copied
	* from many of the other linux network device drivers.
	*/

	/* The number of low I/O ports used by the ethercard. */
	#define SEEQ8005_IO_EXTENT 16

	#define SEEQ_B (ioaddr)

	#define SEEQ_CMD (SEEQ_B) /* Write only */
	#define SEEQ_STATUS (SEEQ_B) /* Read only */
	#define SEEQ_CFG1 (SEEQ_B + 2)
	#define SEEQ_CFG2 (SEEQ_B + 4)
	#define SEEQ_REA (SEEQ_B + 6) /* Receive End Area Register */
	#define SEEQ_RPR (SEEQ_B + 10) /* Receive Pointer Register */
	#define SEEQ_TPR (SEEQ_B + 12) /* Transmit Pointer Register */
	#define SEEQ_DMAAR (SEEQ_B + 14) /* DMA Address Register */
	#define SEEQ_BUFFER (SEEQ_B + 8) /* Buffer Window Register */

	#define DEFAULT_TEA (0x3f)

	#define SEEQCMD_DMA_INT_EN (0x0001) /* DMA Interrupt Enable */
	#define SEEQCMD_RX_INT_EN (0x0002) /* Receive Interrupt Enable */
	#define SEEQCMD_TX_INT_EN (0x0004) /* Transmit Interrupt Enable */
	#define SEEQCMD_WINDOW_INT_EN (0x0008) /* What the hell is this for?? */
	#define SEEQCMD_INT_MASK (0x000f)

	#define SEEQCMD_DMA_INT_ACK (0x0010) /* DMA ack */
	#define SEEQCMD_RX_INT_ACK (0x0020)
	#define SEEQCMD_TX_INT_ACK (0x0040)
	#define SEEQCMD_WINDOW_INT_ACK (0x0080)
	#define SEEQCMD_ACK_ALL (0x00f0)

	#define SEEQCMD_SET_DMA_ON (0x0100) /* Enables DMA Request logic */
	#define SEEQCMD_SET_RX_ON (0x0200) /* Enables Packet RX */
	#define SEEQCMD_SET_TX_ON (0x0400) /* Starts TX run */
	#define SEEQCMD_SET_DMA_OFF (0x0800)
	#define SEEQCMD_SET_RX_OFF (0x1000)
	#define SEEQCMD_SET_TX_OFF (0x2000)
	#define SEEQCMD_SET_ALL_OFF (0x3800) /* set all logic off */

	#define SEEQCMD_FIFO_READ (0x4000) /* Set FIFO to read mode (read from Buffer) */
	#define SEEQCMD_FIFO_WRITE (0x8000) /* Set FIFO to write mode */

	#define SEEQSTAT_DMA_INT_EN (0x0001) /* Status of interrupt enable */
	#define SEEQSTAT_RX_INT_EN (0x0002)
	#define SEEQSTAT_TX_INT_EN (0x0004)
	#define SEEQSTAT_WINDOW_INT_EN (0x0008)

	#define SEEQSTAT_DMA_INT (0x0010) /* Interrupt flagged */
	#define SEEQSTAT_RX_INT (0x0020)
	#define SEEQSTAT_TX_INT (0x0040)
	#define SEEQSTAT_WINDOW_INT (0x0080)
	#define SEEQSTAT_ANY_INT (0x00f0)

	#define SEEQSTAT_DMA_ON (0x0100) /* DMA logic on */
	#define SEEQSTAT_RX_ON (0x0200) /* Packet RX on */
	#define SEEQSTAT_TX_ON (0x0400) /* TX running */

	#define SEEQSTAT_FIFO_FULL (0x2000)
	#define SEEQSTAT_FIFO_EMPTY (0x4000)
	#define SEEQSTAT_FIFO_DIR (0x8000) /* 1=read, 0=write */

	#define SEEQCFG1_BUFFER_MASK (0x000f) /* define what maps into the BUFFER register */
	#define SEEQCFG1_BUFFER_MAC0 (0x0000) /* MAC station addresses 0-5 */
	#define SEEQCFG1_BUFFER_MAC1 (0x0001)
	#define SEEQCFG1_BUFFER_MAC2 (0x0002)
	#define SEEQCFG1_BUFFER_MAC3 (0x0003)
	#define SEEQCFG1_BUFFER_MAC4 (0x0004)
	#define SEEQCFG1_BUFFER_MAC5 (0x0005)
	#define SEEQCFG1_BUFFER_PROM (0x0006) /* The Address/CFG PROM */
	#define SEEQCFG1_BUFFER_TEA (0x0007) /* Transmit end area */
	#define SEEQCFG1_BUFFER_BUFFER (0x0008) /* Packet buffer memory */
	#define SEEQCFG1_BUFFER_INT_VEC (0x0009) /* Interrupt Vector */

	#define SEEQCFG1_DMA_INTVL_MASK (0x0030)
	#define SEEQCFG1_DMA_CONT (0x0000)
	#define SEEQCFG1_DMA_800ns (0x0010)
	#define SEEQCFG1_DMA_1600ns (0x0020)
	#define SEEQCFG1_DMA_3200ns (0x0030)

	#define SEEQCFG1_DMA_LEN_MASK (0x00c0)
	#define SEEQCFG1_DMA_LEN1 (0x0000)
	#define SEEQCFG1_DMA_LEN2 (0x0040)
	#define SEEQCFG1_DMA_LEN4 (0x0080)
	#define SEEQCFG1_DMA_LEN8 (0x00c0)

	#define SEEQCFG1_MAC_MASK (0x3f00) /* Dis/enable bits for MAC addresses */
	#define SEEQCFG1_MAC0_EN (0x0100)
	#define SEEQCFG1_MAC1_EN (0x0200)
	#define SEEQCFG1_MAC2_EN (0x0400)
	#define SEEQCFG1_MAC3_EN (0x0800)
	#define SEEQCFG1_MAC4_EN (0x1000)
	#define SEEQCFG1_MAC5_EN (0x2000)

	#define SEEQCFG1_MATCH_MASK (0xc000) /* Packet matching logic cfg bits */
	#define SEEQCFG1_MATCH_SPECIFIC (0x0000) /* only matching MAC addresses */
	#define SEEQCFG1_MATCH_BROAD (0x4000) /* matching and broadcast addresses */
	#define SEEQCFG1_MATCH_MULTI (0x8000) /* matching, broadcast and multicast */
	#define SEEQCFG1_MATCH_ALL (0xc000) /* Promiscuous mode */

	#define SEEQCFG1_DEFAULT (SEEQCFG1_BUFFER_BUFFER \| SEEQCFG1_MAC0_EN \| SEEQCFG1_MATCH_BROAD)

	#define SEEQCFG2_BYTE_SWAP (0x0001) /* 0=Intel byte-order */
	#define SEEQCFG2_AUTO_REA (0x0002) /* if set, Receive End Area will be updated when reading from Buffer */

	#define SEEQCFG2_CRC_ERR_EN (0x0008) /* enables receiving of packets with CRC errors */
	#define SEEQCFG2_DRIBBLE_EN (0x0010) /* enables receiving of non-aligned packets */
	#define SEEQCFG2_SHORT_EN (0x0020) /* enables receiving of short packets */

	#define SEEQCFG2_SLOTSEL (0x0040) /* 0= standard IEEE802.3, 1= smaller,faster, non-standard */
	#define SEEQCFG2_NO_PREAM (0x0080) /* 1= user supplies Xmit preamble bytes */
	#define SEEQCFG2_ADDR_LEN (0x0100) /* 1= 2byte addresses */
	#define SEEQCFG2_REC_CRC (0x0200) /* 0= received packets will have CRC stripped from them */
	#define SEEQCFG2_XMIT_NO_CRC (0x0400) /* don't xmit CRC with each packet (user supplies it) */
	#define SEEQCFG2_LOOPBACK (0x0800)
	#define SEEQCFG2_CTRLO (0x1000)
	#define SEEQCFG2_RESET (0x8000) /* software Hard-reset bit */

	struct seeq_pkt_hdr {
	unsigned short next; /* address of next packet header */
	unsigned char babble_int:1, /* enable int on >1514 byte packet */
	coll_int:1, /* enable int on collision */
	coll_16_int:1, /* enable int on >15 collision */
	xmit_int:1, /* enable int on success (or xmit with <15 collision) */
	unused:1,
	data_follows:1, /* if not set, process this as a header and pointer only */
	chain_cont:1, /* if set, more headers in chain only cmd bit valid in recv header */
	xmit_recv:1; /* if set, a xmit packet, else a receive packet.*/
	unsigned char status;
	};

	#define SEEQPKTH_BAB_INT_EN (0x01) /* xmit only */
	#define SEEQPKTH_COL_INT_EN (0x02) /* xmit only */
	#define SEEQPKTH_COL16_INT_EN (0x04) /* xmit only */
	#define SEEQPKTH_XMIT_INT_EN (0x08) /* xmit only */
	#define SEEQPKTH_DATA_FOLLOWS (0x20) /* supposedly in xmit only */
	#define SEEQPKTH_CHAIN (0x40) /* more headers follow */
	#define SEEQPKTH_XMIT (0x80)

	#define SEEQPKTS_BABBLE (0x0100) /* xmit only */
	#define SEEQPKTS_OVERSIZE (0x0100) /* recv only */
	#define SEEQPKTS_COLLISION (0x0200) /* xmit only */
	#define SEEQPKTS_CRC_ERR (0x0200) /* recv only */
	#define SEEQPKTS_COLL16 (0x0400) /* xmit only */
	#define SEEQPKTS_DRIB (0x0400) /* recv only */
	#define SEEQPKTS_SHORT (0x0800) /* recv only */
	#define SEEQPKTS_DONE (0x8000)
	#define SEEQPKTS_ANY_ERROR (0x0f00)