/*
 * Agere Systems Inc.
 * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
 *
 * Copyright © 2005 Agere Systems Inc.
 * All rights reserved.
 *   http://www.agere.com
 *
 *------------------------------------------------------------------------------
 *
 * et1310_phy.h - Defines, structs, enums, prototypes, etc. pertaining to the
 *                PHY.
 *
 *------------------------------------------------------------------------------
 *
 * SOFTWARE LICENSE
 *
 * This software is provided subject to the following terms and conditions,
 * which you should read carefully before using the software.  Using this
 * software indicates your acceptance of these terms and conditions.  If you do
 * not agree with these terms and conditions, do not use the software.
 *
 * Copyright © 2005 Agere Systems Inc.
 * All rights reserved.
 *
 * Redistribution and use in source or binary forms, with or without
 * modifications, are permitted provided that the following conditions are met:
 *
 * . Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following Disclaimer as comments in the code as
 *    well as in the documentation and/or other materials provided with the
 *    distribution.
 *
 * . 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.
 *
 * . Neither the name of Agere Systems Inc. nor the names of the contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * Disclaimer
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
 * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
 * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. 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, INCLUDING, BUT NOT LIMITED TO, 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.
 *
 */

#ifndef _ET1310_PHY_H_
#define _ET1310_PHY_H_

#include "et1310_address_map.h"

/* MI Register Addresses */
#define MI_CONTROL_REG                      0
#define MI_STATUS_REG                       1
#define MI_PHY_IDENTIFIER_1_REG             2
#define MI_PHY_IDENTIFIER_2_REG             3
#define MI_AUTONEG_ADVERTISEMENT_REG        4
#define MI_AUTONEG_LINK_PARTNER_ABILITY_REG 5
#define MI_AUTONEG_EXPANSION_REG            6
#define MI_AUTONEG_NEXT_PAGE_TRANSMIT_REG   7
#define MI_LINK_PARTNER_NEXT_PAGE_REG       8
#define MI_1000BASET_CONTROL_REG            9
#define MI_1000BASET_STATUS_REG             10
#define MI_RESERVED11_REG                   11
#define MI_RESERVED12_REG                   12
#define MI_RESERVED13_REG                   13
#define MI_RESERVED14_REG                   14
#define MI_EXTENDED_STATUS_REG              15

/* VMI Register Addresses */
#define VMI_RESERVED16_REG                  16
#define VMI_RESERVED17_REG                  17
#define VMI_RESERVED18_REG                  18
#define VMI_LOOPBACK_CONTROL_REG            19
#define VMI_RESERVED20_REG                  20
#define VMI_MI_CONTROL_REG                  21
#define VMI_PHY_CONFIGURATION_REG           22
#define VMI_PHY_CONTROL_REG                 23
#define VMI_INTERRUPT_MASK_REG              24
#define VMI_INTERRUPT_STATUS_REG            25
#define VMI_PHY_STATUS_REG                  26
#define VMI_LED_CONTROL_1_REG               27
#define VMI_LED_CONTROL_2_REG               28
#define VMI_RESERVED29_REG                  29
#define VMI_RESERVED30_REG                  30
#define VMI_RESERVED31_REG                  31

/* PHY Register Mapping(MI) Management Interface Regs */
typedef struct _MI_REGS_t {
	u8 bmcr;	/* Basic mode control reg(Reg 0x00) */
	u8 bmsr;	/* Basic mode status reg(Reg 0x01) */
	u8 idr1;	/* Phy identifier reg 1(Reg 0x02) */
	u8 idr2;	/* Phy identifier reg 2(Reg 0x03) */
	u8 anar;	/* Auto-Negotiation advertisement(Reg 0x04) */
	u8 anlpar;	/* Auto-Negotiation link Partner Ability(Reg 0x05) */
	u8 aner;	/* Auto-Negotiation expansion reg(Reg 0x06) */
	u8 annptr;	/* Auto-Negotiation next page transmit reg(Reg 0x07) */
	u8 lpnpr;	/* link partner next page reg(Reg 0x08) */
	u8 gcr;		/* Gigabit basic mode control reg(Reg 0x09) */
	u8 gsr;		/* Gigabit basic mode status reg(Reg 0x0A) */
	u8 mi_res1[4];	/* Future use by MI working group(Reg 0x0B - 0x0E) */
	u8 esr;		/* Extended status reg(Reg 0x0F) */
	u8 mi_res2[3];	/* Future use by MI working group(Reg 0x10 - 0x12) */
	u8 loop_ctl;	/* Loopback Control Reg(Reg 0x13) */
	u8 mi_res3;	/* Future use by MI working group(Reg 0x14) */
	u8 mcr;		/* MI Control Reg(Reg 0x15) */
	u8 pcr;		/* Configuration Reg(Reg 0x16) */
	u8 phy_ctl;	/* PHY Control Reg(Reg 0x17) */
	u8 imr;		/* Interrupt Mask Reg(Reg 0x18) */
	u8 isr;		/* Interrupt Status Reg(Reg 0x19) */
	u8 psr;		/* PHY Status Reg(Reg 0x1A) */
	u8 lcr1;		/* LED Control 1 Reg(Reg 0x1B) */
	u8 lcr2;		/* LED Control 2 Reg(Reg 0x1C) */
	u8 mi_res4[3];	/* Future use by MI working group(Reg 0x1D - 0x1F) */
} MI_REGS_t, *PMI_REGS_t;

/* MI Register 0: Basic mode control register */
typedef union _MI_BMCR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 reset:1;		/* bit 15 */
		u16 loopback:1;		/* bit 14 */
		u16 speed_sel:1;		/* bit 13 */
		u16 enable_autoneg:1;	/* bit 12 */
		u16 power_down:1;		/* bit 11 */
		u16 isolate:1;		/* bit 10 */
		u16 restart_autoneg:1;	/* bit 9 */
		u16 duplex_mode:1;		/* bit 8 */
		u16 col_test:1;		/* bit 7 */
		u16 speed_1000_sel:1;	/* bit 6 */
		u16 res1:6;		/* bits 0-5 */
#else
		u16 res1:6;		/* bits 0-5 */
		u16 speed_1000_sel:1;	/* bit 6 */
		u16 col_test:1;		/* bit 7 */
		u16 duplex_mode:1;		/* bit 8 */
		u16 restart_autoneg:1;	/* bit 9 */
		u16 isolate:1;		/* bit 10 */
		u16 power_down:1;		/* bit 11 */
		u16 enable_autoneg:1;	/* bit 12 */
		u16 speed_sel:1;		/* bit 13 */
		u16 loopback:1;		/* bit 14 */
		u16 reset:1;		/* bit 15 */
#endif
	} bits;
} MI_BMCR_t, *PMI_BMCR_t;

/* MI Register 1:  Basic mode status register */
typedef union _MI_BMSR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 link_100T4:1;		/* bit 15 */
		u16 link_100fdx:1;		/* bit 14 */
		u16 link_100hdx:1;		/* bit 13 */
		u16 link_10fdx:1;		/* bit 12 */
		u16 link_10hdx:1;		/* bit 11 */
		u16 link_100T2fdx:1;	/* bit 10 */
		u16 link_100T2hdx:1;	/* bit 9 */
		u16 extend_status:1;	/* bit 8 */
		u16 res1:1;		/* bit 7 */
		u16 preamble_supress:1;	/* bit 6 */
		u16 auto_neg_complete:1;	/* bit 5 */
		u16 remote_fault:1;	/* bit 4 */
		u16 auto_neg_able:1;	/* bit 3 */
		u16 link_status:1;		/* bit 2 */
		u16 jabber_detect:1;	/* bit 1 */
		u16 ext_cap:1;		/* bit 0 */
#else
		u16 ext_cap:1;		/* bit 0 */
		u16 jabber_detect:1;	/* bit 1 */
		u16 link_status:1;		/* bit 2 */
		u16 auto_neg_able:1;	/* bit 3 */
		u16 remote_fault:1;	/* bit 4 */
		u16 auto_neg_complete:1;	/* bit 5 */
		u16 preamble_supress:1;	/* bit 6 */
		u16 res1:1;		/* bit 7 */
		u16 extend_status:1;	/* bit 8 */
		u16 link_100T2hdx:1;	/* bit 9 */
		u16 link_100T2fdx:1;	/* bit 10 */
		u16 link_10hdx:1;		/* bit 11 */
		u16 link_10fdx:1;		/* bit 12 */
		u16 link_100hdx:1;		/* bit 13 */
		u16 link_100fdx:1;		/* bit 14 */
		u16 link_100T4:1;		/* bit 15 */
#endif
	} bits;
} MI_BMSR_t, *PMI_BMSR_t;

/* MI Register 2: Physical Identifier 1 */
typedef union _MI_IDR1_t {
	u16 value;
	struct {
		u16 ieee_address:16;	/* 0x0282 default(bits 0-15) */
	} bits;
} MI_IDR1_t, *PMI_IDR1_t;

/* MI Register 3: Physical Identifier 2 */
typedef union _MI_IDR2_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 ieee_address:6;	/* 111100 default(bits 10-15) */
		u16 model_no:6;		/* 000001 default(bits 4-9) */
		u16 rev_no:4;		/* 0010   default(bits 0-3) */
#else
		u16 rev_no:4;		/* 0010   default(bits 0-3) */
		u16 model_no:6;		/* 000001 default(bits 4-9) */
		u16 ieee_address:6;	/* 111100 default(bits 10-15) */
#endif
	} bits;
} MI_IDR2_t, *PMI_IDR2_t;

/* MI Register 4: Auto-negotiation advertisement register */
typedef union _MI_ANAR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 np_indication:1;	/* bit 15 */
		u16 res2:1;		/* bit 14 */
		u16 remote_fault:1;	/* bit 13 */
		u16 res1:1;		/* bit 12 */
		u16 cap_asmpause:1;	/* bit 11 */
		u16 cap_pause:1;		/* bit 10 */
		u16 cap_100T4:1;		/* bit 9 */
		u16 cap_100fdx:1;		/* bit 8 */
		u16 cap_100hdx:1;		/* bit 7 */
		u16 cap_10fdx:1;		/* bit 6 */
		u16 cap_10hdx:1;		/* bit 5 */
		u16 selector:5;		/* bits 0-4 */
#else
		u16 selector:5;		/* bits 0-4 */
		u16 cap_10hdx:1;		/* bit 5 */
		u16 cap_10fdx:1;		/* bit 6 */
		u16 cap_100hdx:1;		/* bit 7 */
		u16 cap_100fdx:1;		/* bit 8 */
		u16 cap_100T4:1;		/* bit 9 */
		u16 cap_pause:1;		/* bit 10 */
		u16 cap_asmpause:1;	/* bit 11 */
		u16 res1:1;		/* bit 12 */
		u16 remote_fault:1;	/* bit 13 */
		u16 res2:1;		/* bit 14 */
		u16 np_indication:1;	/* bit 15 */
#endif
	} bits;
} MI_ANAR_t, *PMI_ANAR_t;

/* MI Register 5: Auto-negotiation link partner advertisement register */
typedef struct _MI_ANLPAR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 np_indication:1;	/* bit 15 */
		u16 acknowledge:1;		/* bit 14 */
		u16 remote_fault:1;	/* bit 13 */
		u16 res1:1;		/* bit 12 */
		u16 cap_asmpause:1;	/* bit 11 */
		u16 cap_pause:1;		/* bit 10 */
		u16 cap_100T4:1;		/* bit 9 */
		u16 cap_100fdx:1;		/* bit 8 */
		u16 cap_100hdx:1;		/* bit 7 */
		u16 cap_10fdx:1;		/* bit 6 */
		u16 cap_10hdx:1;		/* bit 5 */
		u16 selector:5;		/* bits 0-4 */
#else
		u16 selector:5;		/* bits 0-4 */
		u16 cap_10hdx:1;		/* bit 5 */
		u16 cap_10fdx:1;		/* bit 6 */
		u16 cap_100hdx:1;		/* bit 7 */
		u16 cap_100fdx:1;		/* bit 8 */
		u16 cap_100T4:1;		/* bit 9 */
		u16 cap_pause:1;		/* bit 10 */
		u16 cap_asmpause:1;	/* bit 11 */
		u16 res1:1;		/* bit 12 */
		u16 remote_fault:1;	/* bit 13 */
		u16 acknowledge:1;		/* bit 14 */
		u16 np_indication:1;	/* bit 15 */
#endif
	} bits;
} MI_ANLPAR_t, *PMI_ANLPAR_t;

/* MI Register 6: Auto-negotiation expansion register */
typedef union _MI_ANER_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res:11;	/* bits 5-15 */
		u16 pdf:1;		/* bit 4 */
		u16 lp_np_able:1;	/* bit 3 */
		u16 np_able:1;	/* bit 2 */
		u16 page_rx:1;	/* bit 1 */
		u16 lp_an_able:1;	/* bit 0 */
#else
		u16 lp_an_able:1;	/* bit 0 */
		u16 page_rx:1;	/* bit 1 */
		u16 np_able:1;	/* bit 2 */
		u16 lp_np_able:1;	/* bit 3 */
		u16 pdf:1;		/* bit 4 */
		u16 res:11;	/* bits 5-15 */
#endif
	} bits;
} MI_ANER_t, *PMI_ANER_t;

/* MI Register 7: Auto-negotiation next page transmit reg(0x07) */
typedef union _MI_ANNPTR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 np:1;		/* bit 15 */
		u16 res1:1;	/* bit 14 */
		u16 msg_page:1;	/* bit 13 */
		u16 ack2:1;	/* bit 12 */
		u16 toggle:1;	/* bit 11 */
		u16 msg:11;	/* bits 0-10 */
#else
		u16 msg:11;	/* bits 0-10 */
		u16 toggle:1;	/* bit 11 */
		u16 ack2:1;	/* bit 12 */
		u16 msg_page:1;	/* bit 13 */
		u16 res1:1;	/* bit 14 */
		u16 np:1;		/* bit 15 */
#endif
	} bits;
} MI_ANNPTR_t, *PMI_ANNPTR_t;

/* MI Register 8: Link Partner Next Page Reg(0x08) */
typedef union _MI_LPNPR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 np:1;		/* bit 15 */
		u16 ack:1;		/* bit 14 */
		u16 msg_page:1;	/* bit 13 */
		u16 ack2:1;	/* bit 12 */
		u16 toggle:1;	/* bit 11 */
		u16 msg:11;	/* bits 0-10 */
#else
		u16 msg:11;	/* bits 0-10 */
		u16 toggle:1;	/* bit 11 */
		u16 ack2:1;	/* bit 12 */
		u16 msg_page:1;	/* bit 13 */
		u16 ack:1;		/* bit 14 */
		u16 np:1;		/* bit 15 */
#endif
	} bits;
} MI_LPNPR_t, *PMI_LPNPR_t;

/* MI Register 9: 1000BaseT Control Reg(0x09) */
typedef union _MI_GCR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 test_mode:3;		/* bits 13-15 */
		u16 ms_config_en:1;	/* bit 12 */
		u16 ms_value:1;		/* bit 11 */
		u16 port_type:1;		/* bit 10 */
		u16 link_1000fdx:1;	/* bit 9 */
		u16 link_1000hdx:1;	/* bit 8 */
		u16 res:8;			/* bit 0-7 */
#else
		u16 res:8;			/* bit 0-7 */
		u16 link_1000hdx:1;	/* bit 8 */
		u16 link_1000fdx:1;	/* bit 9 */
		u16 port_type:1;		/* bit 10 */
		u16 ms_value:1;		/* bit 11 */
		u16 ms_config_en:1;	/* bit 12 */
		u16 test_mode:3;		/* bits 13-15 */
#endif
	} bits;
} MI_GCR_t, *PMI_GCR_t;

/* MI Register 10: 1000BaseT Status Reg(0x0A) */
typedef union _MI_GSR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 ms_config_fault:1;	/* bit 15 */
		u16 ms_resolve:1;		/* bit 14 */
		u16 local_rx_status:1;	/* bit 13 */
		u16 remote_rx_status:1;	/* bit 12 */
		u16 link_1000fdx:1;	/* bit 11 */
		u16 link_1000hdx:1;	/* bit 10 */
		u16 res:2;			/* bits 8-9 */
		u16 idle_err_cnt:8;	/* bits 0-7 */
#else
		u16 idle_err_cnt:8;	/* bits 0-7 */
		u16 res:2;			/* bits 8-9 */
		u16 link_1000hdx:1;	/* bit 10 */
		u16 link_1000fdx:1;	/* bit 11 */
		u16 remote_rx_status:1;	/* bit 12 */
		u16 local_rx_status:1;	/* bit 13 */
		u16 ms_resolve:1;		/* bit 14 */
		u16 ms_config_fault:1;	/* bit 15 */
#endif
	} bits;
} MI_GSR_t, *PMI_GSR_t;

/* MI Register 11 - 14: Reserved Regs(0x0B - 0x0E) */
typedef union _MI_RES_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res15:1;	/* bit 15 */
		u16 res14:1;	/* bit 14 */
		u16 res13:1;	/* bit 13 */
		u16 res12:1;	/* bit 12 */
		u16 res11:1;	/* bit 11 */
		u16 res10:1;	/* bit 10 */
		u16 res9:1;	/* bit 9 */
		u16 res8:1;	/* bit 8 */
		u16 res7:1;	/* bit 7 */
		u16 res6:1;	/* bit 6 */
		u16 res5:1;	/* bit 5 */
		u16 res4:1;	/* bit 4 */
		u16 res3:1;	/* bit 3 */
		u16 res2:1;	/* bit 2 */
		u16 res1:1;	/* bit 1 */
		u16 res0:1;	/* bit 0 */
#else
		u16 res0:1;	/* bit 0 */
		u16 res1:1;	/* bit 1 */
		u16 res2:1;	/* bit 2 */
		u16 res3:1;	/* bit 3 */
		u16 res4:1;	/* bit 4 */
		u16 res5:1;	/* bit 5 */
		u16 res6:1;	/* bit 6 */
		u16 res7:1;	/* bit 7 */
		u16 res8:1;	/* bit 8 */
		u16 res9:1;	/* bit 9 */
		u16 res10:1;	/* bit 10 */
		u16 res11:1;	/* bit 11 */
		u16 res12:1;	/* bit 12 */
		u16 res13:1;	/* bit 13 */
		u16 res14:1;	/* bit 14 */
		u16 res15:1;	/* bit 15 */
#endif
	} bits;
} MI_RES_t, *PMI_RES_t;

/* MI Register 15: Extended status Reg(0x0F) */
typedef union _MI_ESR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 link_1000Xfdx:1;	/* bit 15 */
		u16 link_1000Xhdx:1;	/* bit 14 */
		u16 link_1000fdx:1;	/* bit 13 */
		u16 link_1000hdx:1;	/* bit 12 */
		u16 res:12;		/* bit 0-11 */
#else
		u16 res:12;		/* bit 0-11 */
		u16 link_1000hdx:1;	/* bit 12 */
		u16 link_1000fdx:1;	/* bit 13 */
		u16 link_1000Xhdx:1;	/* bit 14 */
		u16 link_1000Xfdx:1;	/* bit 15 */
#endif
	} bits;
} MI_ESR_t, *PMI_ESR_t;

/* MI Register 16 - 18: Reserved Reg(0x10-0x12) */

/* MI Register 19: Loopback Control Reg(0x13) */
typedef union _MI_LCR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 mii_en:1;		/* bit 15 */
		u16 pcs_en:1;		/* bit 14 */
		u16 pmd_en:1;		/* bit 13 */
		u16 all_digital_en:1;	/* bit 12 */
		u16 replica_en:1;		/* bit 11 */
		u16 line_driver_en:1;	/* bit 10 */
		u16 res:10;		/* bit 0-9 */
#else
		u16 res:10;		/* bit 0-9 */
		u16 line_driver_en:1;	/* bit 10 */
		u16 replica_en:1;		/* bit 11 */
		u16 all_digital_en:1;	/* bit 12 */
		u16 pmd_en:1;		/* bit 13 */
		u16 pcs_en:1;		/* bit 14 */
		u16 mii_en:1;		/* bit 15 */
#endif
	} bits;
} MI_LCR_t, *PMI_LCR_t;

/* MI Register 20: Reserved Reg(0x14) */

/* MI Register 21: Management Interface Control Reg(0x15) */
typedef union _MI_MICR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:5;		/* bits 11-15 */
		u16 mi_error_count:7;	/* bits 4-10 */
		u16 res2:1;		/* bit 3 */
		u16 ignore_10g_fr:1;	/* bit 2 */
		u16 res3:1;		/* bit 1 */
		u16 preamble_supress_en:1;	/* bit 0 */
#else
		u16 preamble_supress_en:1;	/* bit 0 */
		u16 res3:1;		/* bit 1 */
		u16 ignore_10g_fr:1;	/* bit 2 */
		u16 res2:1;		/* bit 3 */
		u16 mi_error_count:7;	/* bits 4-10 */
		u16 res1:5;		/* bits 11-15 */
#endif
	} bits;
} MI_MICR_t, *PMI_MICR_t;

/* MI Register 22: PHY Configuration Reg(0x16) */
typedef union _MI_PHY_CONFIG_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 crs_tx_en:1;		/* bit 15 */
		u16 res1:1;		/* bit 14 */
		u16 tx_fifo_depth:2;	/* bits 12-13 */
		u16 speed_downshift:2;	/* bits 10-11 */
		u16 pbi_detect:1;		/* bit 9 */
		u16 tbi_rate:1;		/* bit 8 */
		u16 alternate_np:1;	/* bit 7 */
		u16 group_mdio_en:1;	/* bit 6 */
		u16 tx_clock_en:1;		/* bit 5 */
		u16 sys_clock_en:1;	/* bit 4 */
		u16 res2:1;		/* bit 3 */
		u16 mac_if_mode:3;		/* bits 0-2 */
#else
		u16 mac_if_mode:3;		/* bits 0-2 */
		u16 res2:1;		/* bit 3 */
		u16 sys_clock_en:1;	/* bit 4 */
		u16 tx_clock_en:1;		/* bit 5 */
		u16 group_mdio_en:1;	/* bit 6 */
		u16 alternate_np:1;	/* bit 7 */
		u16 tbi_rate:1;		/* bit 8 */
		u16 pbi_detect:1;		/* bit 9 */
		u16 speed_downshift:2;	/* bits 10-11 */
		u16 tx_fifo_depth:2;	/* bits 12-13 */
		u16 res1:1;		/* bit 14 */
		u16 crs_tx_en:1;		/* bit 15 */
#endif
	} bits;
} MI_PHY_CONFIG_t, *PMI_PHY_CONFIG_t;

/* MI Register 23: PHY CONTROL Reg(0x17) */
typedef union _MI_PHY_CONTROL_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:1;		/* bit 15 */
		u16 tdr_en:1;		/* bit 14 */
		u16 res2:1;		/* bit 13 */
		u16 downshift_attempts:2;	/* bits 11-12 */
		u16 res3:5;		/* bit 6-10 */
		u16 jabber_10baseT:1;	/* bit 5 */
		u16 sqe_10baseT:1;		/* bit 4 */
		u16 tp_loopback_10baseT:1;	/* bit 3 */
		u16 preamble_gen_en:1;	/* bit 2 */
		u16 res4:1;		/* bit 1 */
		u16 force_int:1;		/* bit 0 */
#else
		u16 force_int:1;		/* bit 0 */
		u16 res4:1;		/* bit 1 */
		u16 preamble_gen_en:1;	/* bit 2 */
		u16 tp_loopback_10baseT:1;	/* bit 3 */
		u16 sqe_10baseT:1;		/* bit 4 */
		u16 jabber_10baseT:1;	/* bit 5 */
		u16 res3:5;		/* bit 6-10 */
		u16 downshift_attempts:2;	/* bits 11-12 */
		u16 res2:1;		/* bit 13 */
		u16 tdr_en:1;		/* bit 14 */
		u16 res1:1;		/* bit 15 */
#endif
	} bits;
} MI_PHY_CONTROL_t, *PMI_PHY_CONTROL_t;

/* MI Register 24: Interrupt Mask Reg(0x18) */
typedef union _MI_IMR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:6;		/* bits 10-15 */
		u16 mdio_sync_lost:1;	/* bit 9 */
		u16 autoneg_status:1;	/* bit 8 */
		u16 hi_bit_err:1;		/* bit 7 */
		u16 np_rx:1;		/* bit 6 */
		u16 err_counter_full:1;	/* bit 5 */
		u16 fifo_over_underflow:1;	/* bit 4 */
		u16 rx_status:1;		/* bit 3 */
		u16 link_status:1;		/* bit 2 */
		u16 automatic_speed:1;	/* bit 1 */
		u16 int_en:1;		/* bit 0 */
#else
		u16 int_en:1;		/* bit 0 */
		u16 automatic_speed:1;	/* bit 1 */
		u16 link_status:1;		/* bit 2 */
		u16 rx_status:1;		/* bit 3 */
		u16 fifo_over_underflow:1;	/* bit 4 */
		u16 err_counter_full:1;	/* bit 5 */
		u16 np_rx:1;		/* bit 6 */
		u16 hi_bit_err:1;		/* bit 7 */
		u16 autoneg_status:1;	/* bit 8 */
		u16 mdio_sync_lost:1;	/* bit 9 */
		u16 res1:6;		/* bits 10-15 */
#endif
	} bits;
} MI_IMR_t, *PMI_IMR_t;

/* MI Register 25: Interrupt Status Reg(0x19) */
typedef union _MI_ISR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:6;		/* bits 10-15 */
		u16 mdio_sync_lost:1;	/* bit 9 */
		u16 autoneg_status:1;	/* bit 8 */
		u16 hi_bit_err:1;		/* bit 7 */
		u16 np_rx:1;		/* bit 6 */
		u16 err_counter_full:1;	/* bit 5 */
		u16 fifo_over_underflow:1;	/* bit 4 */
		u16 rx_status:1;		/* bit 3 */
		u16 link_status:1;		/* bit 2 */
		u16 automatic_speed:1;	/* bit 1 */
		u16 int_en:1;		/* bit 0 */
#else
		u16 int_en:1;		/* bit 0 */
		u16 automatic_speed:1;	/* bit 1 */
		u16 link_status:1;		/* bit 2 */
		u16 rx_status:1;		/* bit 3 */
		u16 fifo_over_underflow:1;	/* bit 4 */
		u16 err_counter_full:1;	/* bit 5 */
		u16 np_rx:1;		/* bit 6 */
		u16 hi_bit_err:1;		/* bit 7 */
		u16 autoneg_status:1;	/* bit 8 */
		u16 mdio_sync_lost:1;	/* bit 9 */
		u16 res1:6;		/* bits 10-15 */
#endif
	} bits;
} MI_ISR_t, *PMI_ISR_t;

/* MI Register 26: PHY Status Reg(0x1A) */
typedef union _MI_PSR_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:1;		/* bit 15 */
		u16 autoneg_fault:2;	/* bit 13-14 */
		u16 autoneg_status:1;	/* bit 12 */
		u16 mdi_x_status:1;	/* bit 11 */
		u16 polarity_status:1;	/* bit 10 */
		u16 speed_status:2;	/* bits 8-9 */
		u16 duplex_status:1;	/* bit 7 */
		u16 link_status:1;		/* bit 6 */
		u16 tx_status:1;		/* bit 5 */
		u16 rx_status:1;		/* bit 4 */
		u16 collision_status:1;	/* bit 3 */
		u16 autoneg_en:1;		/* bit 2 */
		u16 pause_en:1;		/* bit 1 */
		u16 asymmetric_dir:1;	/* bit 0 */
#else
		u16 asymmetric_dir:1;	/* bit 0 */
		u16 pause_en:1;		/* bit 1 */
		u16 autoneg_en:1;		/* bit 2 */
		u16 collision_status:1;	/* bit 3 */
		u16 rx_status:1;		/* bit 4 */
		u16 tx_status:1;		/* bit 5 */
		u16 link_status:1;		/* bit 6 */
		u16 duplex_status:1;	/* bit 7 */
		u16 speed_status:2;	/* bits 8-9 */
		u16 polarity_status:1;	/* bit 10 */
		u16 mdi_x_status:1;	/* bit 11 */
		u16 autoneg_status:1;	/* bit 12 */
		u16 autoneg_fault:2;	/* bit 13-14 */
		u16 res1:1;		/* bit 15 */
#endif
	} bits;
} MI_PSR_t, *PMI_PSR_t;

/* MI Register 27: LED Control Reg 1(0x1B) */
typedef union _MI_LCR1_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 res1:2;		/* bits 14-15 */
		u16 led_dup_indicate:2;	/* bits 12-13 */
		u16 led_10baseT:2;		/* bits 10-11 */
		u16 led_collision:2;	/* bits 8-9 */
		u16 res2:2;		/* bits 6-7 */
		u16 res3:2;		/* bits 4-5 */
		u16 pulse_dur:2;		/* bits 2-3 */
		u16 pulse_stretch1:1;	/* bit 1 */
		u16 pulse_stretch0:1;	/* bit 0 */
#else
		u16 pulse_stretch0:1;	/* bit 0 */
		u16 pulse_stretch1:1;	/* bit 1 */
		u16 pulse_dur:2;		/* bits 2-3 */
		u16 res3:2;		/* bits 4-5 */
		u16 res2:2;		/* bits 6-7 */
		u16 led_collision:2;	/* bits 8-9 */
		u16 led_10baseT:2;		/* bits 10-11 */
		u16 led_dup_indicate:2;	/* bits 12-13 */
		u16 res1:2;		/* bits 14-15 */
#endif
	} bits;
} MI_LCR1_t, *PMI_LCR1_t;

/* MI Register 28: LED Control Reg 2(0x1C) */
typedef union _MI_LCR2_t {
	u16 value;
	struct {
#ifdef _BIT_FIELDS_HTOL
		u16 led_link:4;		/* bits 12-15 */
		u16 led_tx_rx:4;		/* bits 8-11 */
		u16 led_100BaseTX:4;	/* bits 4-7 */
		u16 led_1000BaseT:4;	/* bits 0-3 */
#else
		u16 led_1000BaseT:4;	/* bits 0-3 */
		u16 led_100BaseTX:4;	/* bits 4-7 */
		u16 led_tx_rx:4;		/* bits 8-11 */
		u16 led_link:4;		/* bits 12-15 */
#endif
	} bits;
} MI_LCR2_t, *PMI_LCR2_t;

/* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */

/* Forward declaration of the private adapter structure */
struct et131x_adapter;

/* Prototypes for ET1310_phy.c */
int et131x_xcvr_find(struct et131x_adapter *adapter);
void et131x_setphy_normal(struct et131x_adapter *adapter);

/* static inline function does not work because et131x_adapter is not always
 * defined
 */
int PhyMiRead(struct et131x_adapter *adapter, u8 xcvrAddr,
	      u8 xcvrReg, u16 *value);
#define MiRead(adapter, xcvrReg, value) \
	PhyMiRead((adapter), (adapter)->Stats.xcvr_addr, (xcvrReg), (value))

int32_t MiWrite(struct et131x_adapter *adapter,
		u8 xcvReg, u16 value);
void et131x_Mii_check(struct et131x_adapter *pAdapter,
		      MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints);

/* This last is not strictly required (the driver could call the TPAL
 * version instead), but this sets the adapter up correctly, and calls the
 * access routine indirectly.  This protects the driver from changes in TPAL.
 */
void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter);

/* Defines for PHY access routines */

/* Define bit operation flags */
#define TRUEPHY_BIT_CLEAR               0
#define TRUEPHY_BIT_SET                 1
#define TRUEPHY_BIT_READ                2

/* Define read/write operation flags */
#ifndef TRUEPHY_READ
#define TRUEPHY_READ                    0
#define TRUEPHY_WRITE                   1
#define TRUEPHY_MASK                    2
#endif

/* Define speeds */
#define TRUEPHY_SPEED_10MBPS            0
#define TRUEPHY_SPEED_100MBPS           1
#define TRUEPHY_SPEED_1000MBPS          2

/* Define duplex modes */
#define TRUEPHY_DUPLEX_HALF             0
#define TRUEPHY_DUPLEX_FULL             1

/* Define master/slave configuration values */
#define TRUEPHY_CFG_SLAVE               0
#define TRUEPHY_CFG_MASTER              1

/* Define MDI/MDI-X settings */
#define TRUEPHY_MDI                     0
#define TRUEPHY_MDIX                    1
#define TRUEPHY_AUTO_MDI_MDIX           2

/* Define 10Base-T link polarities */
#define TRUEPHY_POLARITY_NORMAL         0
#define TRUEPHY_POLARITY_INVERTED       1

/* Define auto-negotiation results */
#define TRUEPHY_ANEG_NOT_COMPLETE       0
#define TRUEPHY_ANEG_COMPLETE           1
#define TRUEPHY_ANEG_DISABLED           2

/* Define duplex advertisment flags */
#define TRUEPHY_ADV_DUPLEX_NONE         0x00
#define TRUEPHY_ADV_DUPLEX_FULL         0x01
#define TRUEPHY_ADV_DUPLEX_HALF         0x02
#define TRUEPHY_ADV_DUPLEX_BOTH     \
    (TRUEPHY_ADV_DUPLEX_FULL | TRUEPHY_ADV_DUPLEX_HALF)

#define PHY_CONTROL                0x00	/* #define TRU_MI_CONTROL_REGISTER                 0 */
#define PHY_STATUS                 0x01	/* #define TRU_MI_STATUS_REGISTER                  1 */
#define PHY_ID_1                   0x02	/* #define TRU_MI_PHY_IDENTIFIER_1_REGISTER        2 */
#define PHY_ID_2                   0x03	/* #define TRU_MI_PHY_IDENTIFIER_2_REGISTER        3 */
#define PHY_AUTO_ADVERTISEMENT     0x04	/* #define TRU_MI_ADVERTISEMENT_REGISTER           4 */
#define PHY_AUTO_LINK_PARTNER      0x05	/* #define TRU_MI_LINK_PARTNER_ABILITY_REGISTER    5 */
#define PHY_AUTO_EXPANSION         0x06	/* #define TRU_MI_EXPANSION_REGISTER               6 */
#define PHY_AUTO_NEXT_PAGE_TX      0x07	/* #define TRU_MI_NEXT_PAGE_TRANSMIT_REGISTER      7 */
#define PHY_LINK_PARTNER_NEXT_PAGE 0x08	/* #define TRU_MI_LINK_PARTNER_NEXT_PAGE_REGISTER  8 */
#define PHY_1000_CONTROL           0x09	/* #define TRU_MI_1000BASET_CONTROL_REGISTER       9 */
#define PHY_1000_STATUS            0x0A	/* #define TRU_MI_1000BASET_STATUS_REGISTER        10 */

#define PHY_EXTENDED_STATUS        0x0F	/* #define TRU_MI_EXTENDED_STATUS_REGISTER         15 */

/* some defines for modem registers that seem to be 'reserved' */
#define PHY_INDEX_REG              0x10
#define PHY_DATA_REG               0x11

#define PHY_MPHY_CONTROL_REG       0x12	/* #define TRU_VMI_MPHY_CONTROL_REGISTER           18 */

#define PHY_LOOPBACK_CONTROL       0x13	/* #define TRU_VMI_LOOPBACK_CONTROL_1_REGISTER     19 */
					/* #define TRU_VMI_LOOPBACK_CONTROL_2_REGISTER     20 */
#define PHY_REGISTER_MGMT_CONTROL  0x15	/* #define TRU_VMI_MI_SEQ_CONTROL_REGISTER         21 */
#define PHY_CONFIG                 0x16	/* #define TRU_VMI_CONFIGURATION_REGISTER          22 */
#define PHY_PHY_CONTROL            0x17	/* #define TRU_VMI_PHY_CONTROL_REGISTER            23 */
#define PHY_INTERRUPT_MASK         0x18	/* #define TRU_VMI_INTERRUPT_MASK_REGISTER         24 */
#define PHY_INTERRUPT_STATUS       0x19	/* #define TRU_VMI_INTERRUPT_STATUS_REGISTER       25 */
#define PHY_PHY_STATUS             0x1A	/* #define TRU_VMI_PHY_STATUS_REGISTER             26 */
#define PHY_LED_1                  0x1B	/* #define TRU_VMI_LED_CONTROL_1_REGISTER          27 */
#define PHY_LED_2                  0x1C	/* #define TRU_VMI_LED_CONTROL_2_REGISTER          28 */
					/* #define TRU_VMI_LINK_CONTROL_REGISTER           29 */
					/* #define TRU_VMI_TIMING_CONTROL_REGISTER */

/* Prototypes for PHY access routines */
void ET1310_PhyInit(struct et131x_adapter *adapter);
void ET1310_PhyReset(struct et131x_adapter *adapter);
void ET1310_PhyPowerDown(struct et131x_adapter *adapter, bool down);
void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *adapter,
				  u16 duplex);
void ET1310_PhyAccessMiBit(struct et131x_adapter *adapter,
			   u16 action,
			   u16 regnum, u16 bitnum, u8 *value);

#endif /* _ET1310_PHY_H_ */