Committed the original NetBSD version of this driver to get the changes

made for FreeBSD as cvs diffs. This is the 3C509 ethernet driver.

1 files changed, 295 insertions, 0 deletions

diff --git a/sys/dev/ep/if_epreg.h b/sys/dev/ep/if_epreg.h
new file mode 100644
index 0000000..f0b4cd9
--- /dev/null
+++ b/sys/dev/ep/if_epreg.h
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *	$Id: if_epreg.h,v 1.1 1993/12/14 04:26:47 hpeyerl Exp $
+ */
+/**************************************************************************
+ *										  *
+ * These define the EEPROM data structure.  They are used in the probe
+ * function to verify the existance of the adapter after having sent
+ * the ID_Sequence.
+ *
+ * There are others but only the ones we use are defined here.
+ *
+ **************************************************************************/
+
+#define EEPROM_NODE_ADDR_0	0x0	/* Word */
+#define EEPROM_NODE_ADDR_1	0x1	/* Word */
+#define EEPROM_NODE_ADDR_2	0x2	/* Word */
+#define EEPROM_PROD_ID		0x3	/* 0x9[0-f]50 */
+#define EEPROM_MFG_ID		0x7	/* 0x6d50 */
+#define EEPROM_ADDR_CFG		0x8	/* Base addr */
+#define EEPROM_RESOURCE_CFG	0x9     /* IRQ. Bits 12-15 */
+
+/**************************************************************************
+ *										  *
+ * These are the registers for the 3Com 3c509 and their bit patterns when *
+ * applicable.  They have been taken out the the "EtherLink III Parallel  *
+ * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
+ * from 3com.								  *
+ *										  *
+ **************************************************************************/
+
+#define EP_COMMAND		0x0e    /* Write. BASE+0x0e is always a command reg. */
+#define EP_STATUS		0x0e    /* Read. BASE+0x0e is always status reg. */
+#define EP_WINDOW		0x0f    /* Read. BASE+0x0f is always window reg. */
+/*
+ * Window 0 registers. Setup.
+ */
+	/* Write */
+#define EP_W0_EEPROM_DATA	0x0c
+#define EP_W0_EEPROM_COMMAND	0x0a
+#define EP_W0_RESOURCE_CFG	0x08
+#define EP_W0_ADDRESS_CFG	0x06
+#define EP_W0_CONFIG_CTRL	0x04
+	/* Read */
+#define EP_W0_PRODUCT_ID	0x02
+#define EP_W0_MFG_ID		0x00
+
+/*
+ * Window 1 registers. Operating Set.
+ */
+	/* Write */
+#define EP_W1_TX_PIO_WR_2	0x02
+#define EP_W1_TX_PIO_WR_1	0x00
+	/* Read */
+#define EP_W1_FREE_TX		0x0c
+#define EP_W1_TX_STATUS		0x0b    /* byte */
+#define EP_W1_TIMER		0x0a    /* byte */
+#define EP_W1_RX_STATUS		0x08
+#define EP_W1_RX_PIO_RD_2	0x02
+#define EP_W1_RX_PIO_RD_1	0x00
+
+/*
+ * Window 2 registers. Station Address Setup/Read
+ */
+	/* Read/Write */
+#define EP_W2_ADDR_5		0x05
+#define EP_W2_ADDR_4		0x04
+#define EP_W2_ADDR_3		0x03
+#define EP_W2_ADDR_2		0x02
+#define EP_W2_ADDR_1		0x01
+#define EP_W2_ADDR_0		0x00
+
+/* 
+ * Window 3 registers.  FIFO Management.
+ */
+	/* Read */
+#define EP_W3_FREE_TX		0x0c
+#define EP_W3_FREE_RX		0x0a
+
+/*
+ * Window 4 registers. Diagnostics.
+ */
+	/* Read/Write */
+#define EP_W4_MEDIA_TYPE	0x0a
+#define EP_W4_CTRLR_STATUS	0x08
+#define EP_W4_NET_DIAG		0x06
+#define EP_W4_FIFO_DIAG		0x04
+#define EP_W4_HOST_DIAG		0x02
+#define EP_W4_TX_DIAG		0x00
+
+/*
+ * Window 5 Registers.  Results and Internal status.
+ */
+	/* Read */
+#define EP_W5_READ_0_MASK	0x0c
+#define EP_W5_INTR_MASK		0x0a
+#define EP_W5_RX_FILTER		0x08
+#define EP_W5_RX_EARLY_THRESH	0x06
+#define EP_W5_TX_AVAIL_THRESH	0x02
+#define EP_W5_TX_START_THRESH	0x00
+
+/*
+ * Window 6 registers. Statistics.
+ */
+	/* Read/Write */
+#define TX_TOTAL_OK		0x0c
+#define RX_TOTAL_OK		0x0a
+#define TX_DEFERRALS		0x08
+#define RX_FRAMES_OK		0x07
+#define TX_FRAMES_OK		0x06
+#define RX_OVERRUNS		0x05
+#define TX_COLLISIONS		0x04
+#define TX_AFTER_1_COLLISION	0x03
+#define TX_AFTER_X_COLLISIONS	0x02
+#define TX_NO_SQE		0x01
+#define TX_CD_LOST		0x00
+
+/****************************************
+ *
+ * Register definitions.
+ *
+ ****************************************/
+
+/*
+ * Command register. All windows.
+ *
+ * 16 bit register.
+ *     15-11:  5-bit code for command to be executed.
+ *     10-0:   11-bit arg if any. For commands with no args;
+ *	      this can be set to anything.
+ */
+#define GLOBAL_RESET		(u_short) 0x0000   /* Wait at least 1ms after issuing */
+#define WINDOW_SELECT		(u_short) (0x1<<11)
+#define START_TRANSCEIVER	(u_short) (0x2<<11) /* Read ADDR_CFG reg to determine
+						      whether this is needed. If so;
+						      wait 800 uSec before using trans-
+						      ceiver. */
+#define RX_DISABLE		(u_short) (0x3<<11) /* state disabled on power-up */
+#define RX_ENABLE		(u_short) (0x4<<11)
+#define RX_RESET		(u_short) (0x5<<11)
+#define RX_DISCARD_TOP_PACK	(u_short) (0x8<<11)
+#define TX_ENABLE		(u_short) (0x9<<11)
+#define TX_DISABLE		(u_short) (0xa<<11)
+#define TX_RESET		(u_short) (0xb<<11)
+#define REQ_INTR		(u_short) (0xc<<11)
+   /*
+    * The following C_* acknowledge the various interrupts.
+    * Some of them don't do anything.  See the manual.
+    */
+#define ACK_INTR		(u_short) (0x6800)
+#      define C_INTR_LATCH	(u_short) (ACK_INTR|0x1)
+#      define C_CARD_FAILURE	(u_short) (ACK_INTR|0x2)
+#      define C_TX_COMPLETE	(u_short) (ACK_INTR|0x4)
+#      define C_TX_AVAIL	(u_short) (ACK_INTR|0x8)
+#      define C_RX_COMPLETE	(u_short) (ACK_INTR|0x10)
+#      define C_RX_EARLY	(u_short) (ACK_INTR|0x20)
+#      define C_INT_RQD		(u_short) (ACK_INTR|0x40)
+#      define C_UPD_STATS	(u_short) (ACK_INTR|0x80)
+#define SET_INTR_MASK		(u_short) (0xe<<11)
+#define SET_RD_0_MASK		(u_short) (0xf<<11)
+#define SET_RX_FILTER		(u_short) (0x10<<11)
+#      define FIL_INDIVIDUAL	(u_short) (0x1)
+#      define FIL_GROUP		(u_short) (0x2)
+#      define FIL_BRDCST	(u_short) (0x4)
+#      define FIL_ALL		(u_short) (0x8)
+#define SET_RX_EARLY_THRESH	(u_short) (0x11<<11)
+#define SET_TX_AVAIL_THRESH	(u_short) (0x12<<11)
+#define SET_TX_START_THRESH	(u_short) (0x13<<11)
+#define STATS_ENABLE		(u_short) (0x15<<11)
+#define STATS_DISABLE		(u_short) (0x16<<11)
+#define STOP_TRANSCEIVER	(u_short) (0x17<<11)
+
+/*
+ * Status register. All windows.
+ *
+ *     15-13:  Window number(0-7).
+ *     12:     Command_in_progress.
+ *     11:     reserved.
+ *     10:     reserved.
+ *     9:      reserved.
+ *     8:      reserved.
+ *     7:      Update Statistics.
+ *     6:      Interrupt Requested.
+ *     5:      RX Early.
+ *     4:      RX Complete.
+ *     3:      TX Available.
+ *     2:      TX Complete.
+ *     1:      Adapter Failure.
+ *     0:      Interrupt Latch.
+ */
+#define S_INTR_LATCH		(u_short) (0x1)
+#define S_CARD_FAILURE		(u_short) (0x2)
+#define S_TX_COMPLETE		(u_short) (0x4)
+#define S_TX_AVAIL		(u_short) (0x8)
+#define S_RX_COMPLETE		(u_short) (0x10)
+#define S_RX_EARLY		(u_short) (0x20)
+#define S_INT_RQD		(u_short) (0x40)
+#define S_UPD_STATS		(u_short) (0x80)
+#define S_COMMAND_IN_PROGRESS	(u_short) (0x1000)
+
+/*
+ * FIFO Registers.  RX Status.
+ *
+ *     15:     Incomplete or FIFO empty.
+ *     14:     1: Error in RX Packet   0: Incomplete or no error.
+ *     13-11:  Type of error.
+ *	      1000 = Overrun.
+ *	      1011 = Run Packet Error.
+ *	      1100 = Alignment Error.
+ *	      1101 = CRC Error.
+ *	      1001 = Oversize Packet Error (>1514 bytes)
+ *	      0010 = Dribble Bits.
+ *	      (all other error codes, no errors.)
+ *
+ *     10-0:   RX Bytes (0-1514)
+ */
+#define ERR_INCOMPLETE  (u_short) (0x8000)
+#define ERR_RX		(u_short) (0x4000)
+#define ERR_RX_PACKET	(u_short) (0x2000)
+#define ERR_OVERRUN	(u_short) (0x1000)
+#define ERR_RUNT	(u_short) (0x1300)
+#define ERR_ALIGNMENT	(u_short) (0x1400)
+#define ERR_CRC		(u_short) (0x1500)
+#define ERR_OVERSIZE	(u_short) (0x1100)
+#define ERR_DRIBBLE	(u_short) (0x200)
+
+/*
+ * TX Status
+ *
+ *   Reports the transmit status of a completed transmission. Writing this
+ *   register pops the transmit completion stack.
+ *
+ *   Window 1/Port 0x0b.
+ *
+ *     7:      Complete
+ *     6:      Interrupt on successful transmission requested.
+ *     5:      Jabber Error (TP Only, TX Reset required. )
+ *     4:      Underrun (TX Reset required. )
+ *     3:      Maximum Collisions.
+ *     2:      TX Status Overflow.
+ *     1-0:    Undefined.
+ *
+ */
+#define TXS_COMPLETE		0x80
+#define TXS_INTR_REQ		0x40
+#define TXS_JABBER		0x20
+#define TXS_UNDERRUN		0x10
+#define TXS_MAX_COLLISION	0x8
+#define TXS_STATUS_OVERFLOW	0x4
+
+/*
+ * Misc defines for various things.
+ */
+#define TAG_ADAPTER_0 			0xd0
+#define ACTIVATE_ADAPTER_TO_CONFIG 	0xff
+#define ENABLE_DRQ_IRQ			0x0001
+#define MFG_ID 				0x6d50
+#define PROD_ID 			0x9150
+#define BASE 				sc->ep_io_addr
+#define GO_WINDOW(x) 			outw(BASE+EP_COMMAND, WINDOW_SELECT|x)
+#define AUI 				0x1
+#define BNC 				0x2
+#define UTP 				0x4
+#define IS_AUI 				(1<<13)
+#define IS_BNC 				(1<<12)
+#define IS_UTP 				(1<<9)
+#define EEPROM_BUSY			(1<<15)
+#define EEPROM_TST_MODE			(1<<14)
+#define READ_EEPROM			(1<<7)
+#define ETHER_ADDR_LEN			6
+#define ETHER_MAX			1536
+#define ENABLE_UTP			0xc0
+#define DISABLE_UTP			0x0
+#define RX_BYTES_MASK			(u_short) (0x07ff)