/*-
 * Principal Author: Parag Patel
 * Copyright (c) 2001
 * 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.
 *
 * 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.
 *
 * Additional Copyright (c) 2001 by Traakan Software under same licence.
 * Secondary Author: Matthew Jacob
 */

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Derived by information released by Intel under the following license:
 *
 * Copyright (c) 1999 - 2001, Intel Corporation 
 * 
 * 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. 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. Neither the name of Intel Corporation nor the names of its contributors 
 *     may be used to endorse or promote products derived from this software 
 *     without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 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.
 * 
 */

/*
 * Marvell E1000 PHY registers
 */

#define E1000_MAX_REG_ADDRESS           0x1F

#define E1000_CR                        0x00    /* control register */
#define E1000_CR_SPEED_SELECT_MSB       0x0040
#define E1000_CR_COLL_TEST_ENABLE       0x0080
#define E1000_CR_FULL_DUPLEX            0x0100
#define E1000_CR_RESTART_AUTO_NEG       0x0200
#define E1000_CR_ISOLATE                0x0400
#define E1000_CR_POWER_DOWN             0x0800
#define E1000_CR_AUTO_NEG_ENABLE        0x1000
#define E1000_CR_SPEED_SELECT_LSB       0x2000
#define E1000_CR_LOOPBACK               0x4000
#define E1000_CR_RESET                  0x8000

#define E1000_CR_SPEED_1000             0x0040
#define E1000_CR_SPEED_100              0x2000
#define E1000_CR_SPEED_10               0x0000

#define E1000_SR                        0x01    /* status register */
#define E1000_SR_EXTENDED               0x0001
#define E1000_SR_JABBER_DETECT          0x0002
#define E1000_SR_LINK_STATUS            0x0004
#define E1000_SR_AUTO_NEG               0x0008
#define E1000_SR_REMOTE_FAULT           0x0010
#define E1000_SR_AUTO_NEG_COMPLETE      0x0020
#define E1000_SR_PREAMBLE_SUPPRESS      0x0040
#define E1000_SR_EXTENDED_STATUS        0x0100
#define E1000_SR_100T2                  0x0200
#define E1000_SR_100T2_FD               0x0400
#define E1000_SR_10T                    0x0800
#define E1000_SR_10T_FD                 0x1000
#define E1000_SR_100TX                  0x2000
#define E1000_SR_100TX_FD               0x4000
#define E1000_SR_100T4                  0x8000

#define E1000_ID1                       0x02    /* ID register 1 */
#define E1000_ID2                       0x03    /* ID register 2 */
#define E1000_ID_88E1000                0x01410C50
#define E1000_ID_88E1000S               0x01410C40
#define E1000_ID_88E1011                0x01410C20
#define E1000_ID_MASK                   0xFFFFFFF0

#define E1000_AR                        0x04    /* autonegotiation advertise reg */
#define E1000_AR_SELECTOR_FIELD         0x0001
#define E1000_AR_10T                    0x0020
#define E1000_AR_10T_FD                 0x0040
#define E1000_AR_100TX                  0x0080
#define E1000_AR_100TX_FD               0x0100
#define E1000_AR_100T4                  0x0200
#define E1000_AR_PAUSE                  0x0400
#define E1000_AR_ASM_DIR                0x0800
#define E1000_AR_REMOTE_FAULT           0x2000
#define E1000_AR_NEXT_PAGE              0x8000
#define E1000_AR_SPEED_MASK             0x01E0

/* Autonegotiation register bits for fiber cards (Alaska Only!) */
#define E1000_FA_1000X_FD               0x0020
#define E1000_FA_1000X                  0x0040
#define E1000_FA_SYM_PAUSE              0x0080
#define E1000_FA_ASYM_PAUSE             0x0100
#define E1000_FA_FAULT1                 0x1000
#define E1000_FA_FAULT2                 0x2000
#define E1000_FA_NEXT_PAGE              0x8000

#define E1000_LPAR                      0x05    /* autoneg link partner abilities reg */
#define E1000_LPAR_SELECTOR_FIELD       0x0001
#define E1000_LPAR_10T                  0x0020
#define E1000_LPAR_10T_FD               0x0040
#define E1000_LPAR_100TX                0x0080
#define E1000_LPAR_100TX_FD             0x0100
#define E1000_LPAR_100T4                0x0200
#define E1000_LPAR_PAUSE                0x0400
#define E1000_LPAR_ASM_DIR              0x0800
#define E1000_LPAR_REMOTE_FAULT         0x2000
#define E1000_LPAR_ACKNOWLEDGE          0x4000
#define E1000_LPAR_NEXT_PAGE            0x8000

/* autoneg link partner ability register bits for fiber cards (Alaska Only!) */
#define E1000_FPAR_1000X_FD             0x0020
#define E1000_FPAR_1000X                0x0040
#define E1000_FPAR_SYM_PAUSE            0x0080
#define E1000_FPAR_ASYM_PAUSE           0x0100
#define E1000_FPAR_FAULT1               0x1000
#define E1000_FPAR_FAULT2               0x2000
#define E1000_FPAR_ACK                  0x4000
#define E1000_FPAR_NEXT_PAGE            0x8000

#define E1000_ER                        0x06    /* autoneg expansion reg */
#define E1000_ER_LP_NWAY                0x0001
#define E1000_ER_PAGE_RXD               0x0002
#define E1000_ER_NEXT_PAGE              0x0004
#define E1000_ER_LP_NEXT_PAGE           0x0008
#define E1000_ER_PAR_DETECT_FAULT       0x0100

#define E1000_NPTX                      0x07    /* autoneg next page TX */
#define E1000_NPTX_MSG_CODE_FIELD       0x0001
#define E1000_NPTX_TOGGLE               0x0800
#define E1000_NPTX_ACKNOWLDGE2          0x1000
#define E1000_NPTX_MSG_PAGE             0x2000
#define E1000_NPTX_NEXT_PAGE            0x8000

#define E1000_RNPR                      0x08    /* autoneg link-partner (?) next page */
#define E1000_RNPR_MSG_CODE_FIELD       0x0001
#define E1000_RNPR_TOGGLE               0x0800
#define E1000_RNPR_ACKNOWLDGE2          0x1000
#define E1000_RNPR_MSG_PAGE             0x2000
#define E1000_RNPR_ACKNOWLDGE           0x4000
#define E1000_RNPR_NEXT_PAGE            0x8000

#define E1000_1GCR                      0x09    /* 1000T (1G) control reg */
#define E1000_1GCR_ASYM_PAUSE           0x0080
#define E1000_1GCR_1000T                0x0100
#define E1000_1GCR_1000T_FD             0x0200
#define E1000_1GCR_REPEATER_DTE         0x0400
#define E1000_1GCR_MS_VALUE             0x0800
#define E1000_1GCR_MS_ENABLE            0x1000
#define E1000_1GCR_TEST_MODE_NORMAL     0x0000
#define E1000_1GCR_TEST_MODE_1          0x2000
#define E1000_1GCR_TEST_MODE_2          0x4000
#define E1000_1GCR_TEST_MODE_3          0x6000
#define E1000_1GCR_TEST_MODE_4          0x8000
#define E1000_1GCR_SPEED_MASK           0x0300

#define E1000_1GSR                      0x0A    /* 1000T (1G) status reg */
#define E1000_1GSR_IDLE_ERROR_CNT       0x0000
#define E1000_1GSR_ASYM_PAUSE_DIR       0x0100
#define E1000_1GSR_LP                   0x0400
#define E1000_1GSR_LP_FD                0x0800
#define E1000_1GSR_REMOTE_RX_STATUS     0x1000
#define E1000_1GSR_LOCAL_RX_STATUS      0x2000
#define E1000_1GSR_MS_CONFIG_RES        0x4000
#define E1000_1GSR_MS_CONFIG_FAULT      0x8000

#define E1000_ESR                       0x0F    /* IEEE extended status reg */
#define E1000_ESR_1000T                 0x1000
#define E1000_ESR_1000T_FD              0x2000
#define E1000_ESR_1000X                 0x4000
#define E1000_ESR_1000X_FD              0x8000

#define E1000_TX_POLARITY_MASK          0x0100
#define E1000_TX_NORMAL_POLARITY        0

#define E1000_AUTO_POLARITY_DISABLE     0x0010

#define E1000_SCR                       0x10    /* special control register */
#define E1000_SCR_JABBER_DISABLE        0x0001
#define E1000_SCR_POLARITY_REVERSAL     0x0002
#define E1000_SCR_SQE_TEST              0x0004
#define E1000_SCR_INT_FIFO_DISABLE      0x0008
#define E1000_SCR_CLK125_DISABLE        0x0010
#define E1000_SCR_MDI_MANUAL_MODE       0x0000
#define E1000_SCR_MDIX_MANUAL_MODE      0x0020
#define E1000_SCR_AUTO_X_1000T          0x0040
#define E1000_SCR_AUTO_X_MODE           0x0060
#define E1000_SCR_10BT_EXT_ENABLE       0x0080
#define E1000_SCR_MII_5BIT_ENABLE       0x0100
#define E1000_SCR_SCRAMBLER_DISABLE     0x0200
#define E1000_SCR_FORCE_LINK_GOOD       0x0400
#define E1000_SCR_ASSERT_CRS_ON_TX      0x0800
#define E1000_SCR_RX_FIFO_DEPTH_6       0x0000
#define E1000_SCR_RX_FIFO_DEPTH_8       0x1000
#define E1000_SCR_RX_FIFO_DEPTH_10      0x2000
#define E1000_SCR_RX_FIFO_DEPTH_12      0x3000
#define E1000_SCR_TX_FIFO_DEPTH_6       0x0000
#define E1000_SCR_TX_FIFO_DEPTH_8       0x4000
#define E1000_SCR_TX_FIFO_DEPTH_10      0x8000
#define E1000_SCR_TX_FIFO_DEPTH_12      0xC000

/* 88E3016 only */
#define E1000_SCR_AUTO_MDIX             0x0030
#define E1000_SCR_SIGDET_POLARITY       0x0040
#define E1000_SCR_EXT_DISTANCE          0x0080
#define E1000_SCR_FEFI_DISABLE          0x0100
#define E1000_SCR_NLP_GEN_DISABLE       0x0800
#define E1000_SCR_LPNP                  0x1000
#define E1000_SCR_NLP_CHK_DISABLE       0x2000
#define E1000_SCR_EN_DETECT             0x4000

#define E1000_SCR_EN_DETECT_MASK        0x0300

/* 88E1112 page 1 fiber specific control */
#define E1000_SCR_FIB_TX_DIS            0x0008
#define E1000_SCR_FIB_SIGDET_POLARITY   0x0200
#define E1000_SCR_FIB_FORCE_LINK        0x0400

/* 88E1112 page 2 */
#define E1000_SCR_MODE_MASK             0x0380
#define E1000_SCR_MODE_AUTO             0x0180
#define E1000_SCR_MODE_COPPER           0x0280
#define E1000_SCR_MODE_1000BX           0x0380

/* 88E1116 page 0 */
#define E1000_SCR_POWER_DOWN            0x0004
/* 88E1116, 88E1149 page 2 */
#define E1000_SCR_RGMII_POWER_UP        0x0008

/* 88E1116, 88E1149 page 3 */
#define E1000_SCR_LED_STAT0_MASK        0x000F
#define E1000_SCR_LED_STAT1_MASK        0x00F0
#define E1000_SCR_LED_INIT_MASK         0x0F00
#define E1000_SCR_LED_LOS_MASK          0xF000
#define E1000_SCR_LED_STAT0(x)          ((x) & E1000_SCR_LED_STAT0_MASK)
#define E1000_SCR_LED_STAT1(x)          ((x) & E1000_SCR_LED_STAT1_MASK)
#define E1000_SCR_LED_INIT(x)           ((x) & E1000_SCR_LED_INIT_MASK)
#define E1000_SCR_LED_LOS(x)            ((x) & E1000_SCR_LED_LOS_MASK)

#define E1000_SSR                       0x11    /* special status register */
#define E1000_SSR_JABBER                0x0001
#define E1000_SSR_REV_POLARITY          0x0002
#define E1000_SSR_MDIX                  0x0020
#define E1000_SSR_LINK                  0x0400
#define E1000_SSR_SPD_DPLX_RESOLVED     0x0800
#define E1000_SSR_PAGE_RCVD             0x1000
#define E1000_SSR_DUPLEX                0x2000
#define E1000_SSR_SPEED                 0xC000
#define E1000_SSR_10MBS                 0x0000
#define E1000_SSR_100MBS                0x4000
#define E1000_SSR_1000MBS               0x8000

#define E1000_IER                       0x12    /* interrupt enable reg */
#define E1000_IER_JABBER                0x0001
#define E1000_IER_POLARITY_CHANGE       0x0002
#define E1000_IER_MDIX_CHANGE           0x0040
#define E1000_IER_FIFO_OVER_UNDERUN     0x0080
#define E1000_IER_FALSE_CARRIER         0x0100
#define E1000_IER_SYMBOL_ERROR          0x0200
#define E1000_IER_LINK_STAT_CHANGE      0x0400
#define E1000_IER_AUTO_NEG_COMPLETE     0x0800
#define E1000_IER_PAGE_RECEIVED         0x1000
#define E1000_IER_DUPLEX_CHANGED        0x2000
#define E1000_IER_SPEED_CHANGED         0x4000
#define E1000_IER_AUTO_NEG_ERR          0x8000

/* 88E1116, 88E1149 page 3, LED timer control. */
#define E1000_PULSE_MASK        0x7000
#define E1000_PULSE_NO_STR      0       /* no pulse stretching */
#define E1000_PULSE_21MS        1       /* 21 ms to 42 ms */
#define E1000_PULSE_42MS        2       /* 42 ms to 84 ms */
#define E1000_PULSE_84MS        3       /* 84 ms to 170 ms */
#define E1000_PULSE_170MS       4       /* 170 ms to 340 ms */
#define E1000_PULSE_340MS       5       /* 340 ms to 670 ms */
#define E1000_PULSE_670MS       6       /* 670 ms to 1300 ms */
#define E1000_PULSE_1300MS      7       /* 1300 ms to 2700 ms */
#define E1000_PULSE_DUR(x)      ((x) &  E1000_PULSE_MASK) 

#define E1000_BLINK_MASK        0x0700
#define E1000_BLINK_42MS        0       /* 42 ms */
#define E1000_BLINK_84MS        1       /* 84 ms */
#define E1000_BLINK_170MS       2       /* 170 ms */
#define E1000_BLINK_340MS       3       /* 340 ms */
#define E1000_BLINK_670MS       4       /* 670 ms */
#define E1000_BLINK_RATE(x)     ((x) &  E1000_BLINK_MASK) 

#define E1000_ISR                       0x13    /* interrupt status reg */
#define E1000_ISR_JABBER                0x0001
#define E1000_ISR_POLARITY_CHANGE       0x0002
#define E1000_ISR_MDIX_CHANGE           0x0040
#define E1000_ISR_FIFO_OVER_UNDERUN     0x0080
#define E1000_ISR_FALSE_CARRIER         0x0100
#define E1000_ISR_SYMBOL_ERROR          0x0200
#define E1000_ISR_LINK_STAT_CHANGE      0x0400
#define E1000_ISR_AUTO_NEG_COMPLETE     0x0800
#define E1000_ISR_PAGE_RECEIVED         0x1000
#define E1000_ISR_DUPLEX_CHANGED        0x2000
#define E1000_ISR_SPEED_CHANGED         0x4000
#define E1000_ISR_AUTO_NEG_ERR          0x8000

#define E1000_ESCR                      0x14    /* extended special control reg */
#define E1000_ESCR_FIBER_LOOPBACK       0x4000
#define E1000_ESCR_DOWN_NO_IDLE         0x8000
#define E1000_ESCR_TX_CLK_2_5           0x0060
#define E1000_ESCR_TX_CLK_25            0x0070
#define E1000_ESCR_TX_CLK_0             0x0000

#define E1000_RECR                      0x15    /* RX error counter reg */

#define E1000_EADR                      0x16    /* extended address reg */

#define E1000_LCR                       0x18    /* LED control reg */
#define E1000_LCR_LED_TX                0x0001
#define E1000_LCR_LED_RX                0x0002
#define E1000_LCR_LED_DUPLEX            0x0004
#define E1000_LCR_LINK                  0x0008
#define E1000_LCR_BLINK_42MS            0x0000
#define E1000_LCR_BLINK_84MS            0x0100
#define E1000_LCR_BLINK_170MS           0x0200
#define E1000_LCR_BLINK_340MS           0x0300
#define E1000_LCR_BLINK_670MS           0x0400
#define E1000_LCR_PULSE_OFF             0x0000
#define E1000_LCR_PULSE_21_42MS         0x1000
#define E1000_LCR_PULSE_42_84MS         0x2000
#define E1000_LCR_PULSE_84_170MS        0x3000
#define E1000_LCR_PULSE_170_340MS       0x4000
#define E1000_LCR_PULSE_340_670MS       0x5000
#define E1000_LCR_PULSE_670_13S         0x6000
#define E1000_LCR_PULSE_13_26S          0x7000

/* The following register is found only on the 88E1011 Alaska PHY */
#define E1000_ESSR                      0x1B    /* Extended PHY specific sts */
#define E1000_ESSR_FIBER_LINK           0x2000
#define E1000_ESSR_GMII_COPPER          0x000f
#define E1000_ESSR_GMII_FIBER           0x0007
#define E1000_ESSR_TBI_COPPER           0x000d
#define E1000_ESSR_TBI_FIBER            0x0005