* Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
* 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 *
**************************************************************************/
#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.
#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
#define EP_W0_PRODUCT_ID 0x02
#define EP_W0_MFG_ID 0x00
* Window 1 registers. Operating Set.
#define EP_W1_TX_PIO_WR_2 0x02
#define EP_W1_TX_PIO_WR_1 0x00
#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
#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.
#define EP_W3_FREE_TX 0x0c
#define EP_W3_FREE_RX 0x0a
* Window 4 registers. Diagnostics.
#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.
#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.
#define TX_DEFERRALS 0x08
#define RX_FRAMES_OK 0x07
#define TX_FRAMES_OK 0x06
#define TX_COLLISIONS 0x04
#define TX_AFTER_1_COLLISION 0x03
#define TX_AFTER_X_COLLISIONS 0x02
/****************************************
****************************************/
* Command register. All windows.
* 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-
#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.
* 6: Interrupt Requested.
#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.
* 1011 = Run Packet Error.
* 1100 = Alignment Error.
* 1001 = Oversize Packet Error (>1514 bytes)
* (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)
* Reports the transmit status of a completed transmission. Writing this
* register pops the transmit completion stack.
* 6: Interrupt on successful transmission requested.
* 5: Jabber Error (TP Only, TX Reset required. )
* 4: Underrun (TX Reset required. )
#define TXS_COMPLETE 0x80
#define TXS_INTR_REQ 0x40
#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 BASE sc->ep_io_addr
#define GO_WINDOW(x) outw(BASE+EP_COMMAND, WINDOW_SELECT|x)
#define EEPROM_BUSY (1<<15)
#define EEPROM_TST_MODE (1<<14)
#define READ_EEPROM (1<<7)
#define RX_BYTES_MASK (u_short) (0x07ff)
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