Device driver for Intel Pro/100 PCI Fast Ethernet controller.

1 files changed, 277 insertions, 0 deletions

diff --git a/sys/pci/if_fxpreg.h b/sys/pci/if_fxpreg.h
new file mode 100644
index 0000000..61c3a5f
--- /dev/null
+++ b/sys/pci/if_fxpreg.h
@@ -0,0 +1,277 @@
+/*
+ * Copyright (c) 1995, David Greenman
+ * 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 unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by David Greenman.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ *	$Id$
+ */
+
+#define FXP_VENDORID_INTEL	0x8086
+#define FXP_DEVICEID_i82557	0x1229
+
+#define FXP_PCI_MMBA	0x10
+#define FXP_PCI_IOBA	0x14
+
+struct fxp_csr {
+	volatile u_int8_t	:2,
+				scb_rus:4,
+				scb_cus:2;
+	volatile u_int8_t	scb_statack;
+	volatile u_int8_t	scb_command;
+	volatile u_int8_t	scb_intrcntl;
+	volatile u_int32_t	scb_general;
+	volatile u_int32_t	port;
+	volatile u_int16_t	flash_control;
+	volatile u_int16_t	eeprom_control;
+	volatile u_int32_t	mdi_control;
+};
+
+#define FXP_SCB_RUS_IDLE		0
+#define FXP_SCB_RUS_SUSPENDED		1
+#define FXP_SCB_RUS_NORESOURCES		2
+#define FXP_SCB_RUS_READY		4
+#define FXP_SCB_RUS_SUSP_NORBDS		9
+#define FXP_SCB_RUS_NORES_NORBDS	10
+#define FXP_SCB_RUS_READY_NORBDS	12
+
+#define FXP_SCB_CUS_IDLE		0
+#define FXP_SCB_CUS_SUSPENDED		1
+#define FXP_SCB_CUS_ACTIVE		2
+
+#define FXP_SCB_STATACK_SWI		0x04
+#define FXP_SCB_STATACK_MDI		0x08
+#define FXP_SCB_STATACK_RNR		0x10
+#define FXP_SCB_STATACK_CNA		0x20
+#define FXP_SCB_STATACK_FR		0x40
+#define FXP_SCB_STATACK_CXTNO		0x80
+
+#define FXP_SCB_COMMAND_MASK		0xff
+#define FXP_SCB_COMMAND_CU_NOP		0x00
+#define FXP_SCB_COMMAND_CU_START	0x10
+#define FXP_SCB_COMMAND_CU_RESUME	0x20
+#define FXP_SCB_COMMAND_CU_DUMP_ADR	0x40
+#define FXP_SCB_COMMAND_CU_DUMP		0x50
+#define FXP_SCB_COMMAND_CU_BASE		0x60
+#define FXP_SCB_COMMAND_CU_DUMPRESET	0x70
+
+#define FXP_SCB_COMMAND_RU_NOP		0
+#define FXP_SCB_COMMAND_RU_START	1
+#define FXP_SCB_COMMAND_RU_RESUME	2
+#define FXP_SCB_COMMAND_RU_ABORT	4
+#define FXP_SCB_COMMAND_RU_LOADHDS	5
+#define FXP_SCB_COMMAND_RU_BASE		6
+#define FXP_SCB_COMMAND_RU_RBDRESUME	7
+
+/*
+ * Command block definitions
+ */
+struct fxp_cb_nop {
+	volatile u_int16_t cb_status;
+	volatile u_int16_t cb_command;
+	volatile u_int32_t link_addr;
+};
+struct fxp_cb_ias {
+	volatile u_int16_t cb_status;
+	volatile u_int16_t cb_command;
+	volatile u_int32_t link_addr;
+	volatile u_int8_t macaddr[6];
+};
+/* I hate bit-fields :-( */
+struct fxp_cb_config {
+	volatile u_int16_t	cb_status;
+	volatile u_int16_t	cb_command;
+	volatile u_int32_t	link_addr;
+	volatile u_int8_t	byte_count:6,
+				:2;
+	volatile u_int8_t	rx_fifo_limit:4,
+				tx_fifo_limit:3,
+				:1;
+	volatile u_int8_t	adaptive_ifs;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	rx_dma_bytecount:7,
+				:1;
+	volatile u_int8_t	tx_dma_bytecount:7,
+				dma_bce:1;
+	volatile u_int8_t	late_scb:1,
+				:1,
+				tno_int:1,
+				ci_int:1,
+				:3,
+				save_bf:1;
+	volatile u_int8_t	disc_short_rx:1,
+				underrun_retry:2,
+				:5;
+	volatile u_int8_t	mediatype:1,
+				:7;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	:3,
+				nsai:1,
+				preamble_length:2,
+				loopback:2;
+	volatile u_int8_t	linear_priority:3,
+				:5;
+	volatile u_int8_t	linear_pri_mode:1,
+				:3,
+				interfrm_spacing:4;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	promiscuous:1,
+				bcast_disable:1,
+				:5,
+				crscdt:1;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	:8;
+	volatile u_int8_t	stripping:1,
+				padding:1,
+				rcv_crc_xfer:1,
+				:5;
+	volatile u_int8_t	:6,
+				force_fdx:1,
+				fdx_pin_en:1;
+	volatile u_int8_t	:6,
+				multi_ia:1,
+				:1;
+	volatile u_int8_t	:3,
+				mc_all:1,
+				:4;
+};
+struct fxp_tbd {
+	volatile u_int32_t tb_addr;
+	volatile u_int32_t tb_size;
+};
+
+struct fxp_cb_tx {
+	volatile u_int16_t cb_status;
+	volatile u_int16_t cb_command;
+	volatile u_int32_t link_addr;
+	volatile u_int32_t tbd_array_addr;
+	volatile u_int16_t byte_count;
+	volatile u_int8_t tx_threshold;
+	volatile u_int8_t tbd_number;
+	/*
+	 * The following isn't actually part of the TxCB.
+	 */
+	volatile struct fxp_tbd tbd[13];
+	struct mbuf *mb_head;
+	struct fxp_cb_tx *next;
+};
+
+/*
+ * Control Block (CB) definitions
+ */
+
+/* status */
+#define FXP_CB_STATUS_OK	0x2000
+#define FXP_CB_STATUS_C		0x8000
+/* commands */
+#define FXP_CB_COMMAND_NOP	0x0
+#define FXP_CB_COMMAND_IAS	0x1
+#define FXP_CB_COMMAND_CONFIG	0x2
+#define FXP_CB_COMMAND_MAS	0x3
+#define FXP_CB_COMMAND_XMIT	0x4
+#define FXP_CB_COMMAND_RESRV	0x5
+#define FXP_CB_COMMAND_DUMP	0x6
+#define FXP_CB_COMMAND_DIAG	0x7
+/* command flags */
+#define FXP_CB_COMMAND_SF	0x0008	/* simple/flexible mode */
+#define FXP_CB_COMMAND_I	0x2000	/* generate interrupt on completion */
+#define FXP_CB_COMMAND_S	0x4000	/* suspend on completion */
+#define FXP_CB_COMMAND_EL	0x8000	/* end of list */
+
+/*
+ * RFA definitions
+ */
+
+struct fxp_rfa {
+	volatile u_int16_t rfa_status;
+	volatile u_int16_t rfa_control;
+	volatile u_int32_t link_addr;
+	volatile u_int32_t rbd_addr;
+	volatile u_int16_t actual_size;
+	volatile u_int16_t size;
+};
+#define FXP_RFA_STATUS_RCOL	0x0001	/* receive collision */
+#define FXP_RFA_STATUS_IAMATCH	0x0002	/* 0 = matches station address */
+#define FXP_RFA_STATUS_S4	0x0010	/* receive error from PHY */
+#define FXP_RFA_STATUS_TL	0x0020	/* type/length */
+#define FXP_RFA_STATUS_FTS	0x0080	/* frame too short */
+#define FXP_RFA_STATUS_OVERRUN	0x0100	/* DMA overrun */
+#define FXP_RFA_STATUS_RNR	0x0200	/* no resources */
+#define FXP_RFA_STATUS_ALIGN	0x0400	/* alignment error */
+#define FXP_RFA_STATUS_CRC	0x0800	/* CRC error */
+#define FXP_RFA_STATUS_OK	0x2000	/* packet received okay */
+#define FXP_RFA_STATUS_C	0x8000	/* packet reception complete */
+#define FXP_RFA_CONTROL_SF	0x08	/* simple/flexible memory mode */
+#define FXP_RFA_CONTROL_H	0x10	/* header RFD */
+#define FXP_RFA_CONTROL_S	0x4000	/* suspend after reception */
+#define FXP_RFA_CONTROL_EL	0x8000	/* end of list */
+
+/*
+ * Statistics dump area definitions
+ */
+struct fxp_stats {
+	volatile u_int32_t tx_good;
+	volatile u_int32_t tx_maxcols;
+	volatile u_int32_t tx_latecols;
+	volatile u_int32_t tx_underruns;
+	volatile u_int32_t tx_lostcrs;
+	volatile u_int32_t tx_deffered;
+	volatile u_int32_t tx_single_collisions;
+	volatile u_int32_t tx_multiple_collisions;
+	volatile u_int32_t tx_total_collisions;
+	volatile u_int32_t rx_good;
+	volatile u_int32_t rx_crc_errors;
+	volatile u_int32_t rx_alignment_errors;
+	volatile u_int32_t rx_rnr_errors;
+	volatile u_int32_t rx_overrun_errors;
+	volatile u_int32_t rx_cdt_errors;
+	volatile u_int32_t rx_shortframes;
+	volatile u_int32_t completion_status;
+};
+#define FXP_STATS_DUMP_COMPLETE	0xa005
+#define FXP_STATS_DR_COMPLETE	0xa007
+	
+/*
+ * Serial EEPROM control register bits
+ */
+/* shift clock */
+#define FXP_EEPROM_EESK		0x01
+/* chip select */
+#define FXP_EEPROM_EECS		0x02
+/* data in */
+#define FXP_EEPROM_EEDI		0x04
+/* data out */
+#define FXP_EEPROM_EEDO		0x08
+
+/*
+ * Serial EEPROM opcodes, including start bit
+ */
+#define FXP_EEPROM_OPC_ERASE	0x4
+#define FXP_EEPROM_OPC_WRITE	0x5
+#define FXP_EEPROM_OPC_READ	0x6