/*      $NetBSD: igc_phy.h,v 1.2 2023/10/04 07:35:27 rin Exp $  */
/*      $OpenBSD: igc_phy.h,v 1.2 2022/05/11 06:14:15 kevlo Exp $       */
/*-
* Copyright 2021 Intel Corp
* Copyright 2021 Rubicon Communications, LLC (Netgate)
* SPDX-License-Identifier: BSD-3-Clause
*
* $FreeBSD$
*/

#ifndef _IGC_PHY_H_
#define _IGC_PHY_H_

void    igc_init_phy_ops_generic(struct igc_hw *);
int     igc_null_read_reg(struct igc_hw *, uint32_t, uint16_t *);
void    igc_null_phy_generic(struct igc_hw *);
int     igc_null_lplu_state(struct igc_hw *, bool);
int     igc_null_write_reg(struct igc_hw *, uint32_t, uint16_t);
int     igc_null_set_page(struct igc_hw *, uint16_t);
int     igc_check_downshift_generic(struct igc_hw *);
int     igc_check_reset_block_generic(struct igc_hw *);
int     igc_get_phy_id(struct igc_hw *);
int     igc_phy_hw_reset_generic(struct igc_hw *);
int     igc_phy_reset_dsp_generic(struct igc_hw *);
int     igc_set_d3_lplu_state_generic(struct igc_hw *, bool);
int     igc_setup_copper_link_generic(struct igc_hw *);
int     igc_phy_has_link_generic(struct igc_hw *, uint32_t, uint32_t, bool *);
int     igc_determine_phy_address(struct igc_hw *);
int     igc_enable_phy_wakeup_reg_access_bm(struct igc_hw *, uint16_t *);
int     igc_disable_phy_wakeup_reg_access_bm(struct igc_hw *, uint16_t *);
void    igc_power_up_phy_copper(struct igc_hw *);
void    igc_power_down_phy_copper(struct igc_hw *);
int     igc_read_phy_reg_mdic(struct igc_hw *, uint32_t offset, uint16_t *);
int     igc_write_phy_reg_mdic(struct igc_hw *, uint32_t offset, uint16_t);
int     igc_read_xmdio_reg(struct igc_hw *, uint16_t, uint8_t, uint16_t *);
int     igc_write_xmdio_reg(struct igc_hw *, uint16_t, uint8_t, uint16_t);
int     igc_write_phy_reg_gpy(struct igc_hw *, uint32_t, uint16_t);
int     igc_read_phy_reg_gpy(struct igc_hw *, uint32_t, uint16_t *);
int     igc_wait_autoneg(struct igc_hw *);

/* IGP01IGC Specific Registers */
#define IGP01IGC_PHY_PORT_CONFIG        0x10 /* Port Config */
#define IGP01IGC_PHY_PORT_STATUS        0x11 /* Status */
#define IGP01IGC_PHY_PORT_CTRL          0x12 /* Control */
#define IGP01IGC_PHY_LINK_HEALTH        0x13 /* PHY Link Health */
#define IGP02IGC_PHY_POWER_MGMT         0x19 /* Power Management */
#define IGP01IGC_PHY_PAGE_SELECT        0x1F /* Page Select */
#define BM_PHY_PAGE_SELECT              22   /* Page Select for BM */
#define IGP_PAGE_SHIFT                  5
#define PHY_REG_MASK                    0x1F
#define IGC_I225_PHPM                   0x0E14 /* I225 PHY Power Management */
#define IGC_I225_PHPM_DIS_1000_D3       0x0008 /* Disable 1G in D3 */
#define IGC_I225_PHPM_LINK_ENERGY       0x0010 /* Link Energy Detect */
#define IGC_I225_PHPM_GO_LINKD          0x0020 /* Go Link Disconnect */
#define IGC_I225_PHPM_DIS_1000          0x0040 /* Disable 1G globally */
#define IGC_I225_PHPM_SPD_B2B_EN        0x0080 /* Smart Power Down Back2Back */
#define IGC_I225_PHPM_RST_COMPL         0x0100 /* PHY Reset Completed */
#define IGC_I225_PHPM_DIS_100_D3        0x0200 /* Disable 100M in D3 */
#define IGC_I225_PHPM_ULP               0x0400 /* Ultra Low-Power Mode */
#define IGC_I225_PHPM_DIS_2500          0x0800 /* Disable 2.5G globally */
#define IGC_I225_PHPM_DIS_2500_D3       0x1000 /* Disable 2.5G in D3 */
/* GPY211 - I225 defines */
#define GPY_MMD_MASK                    0xFFFF0000
#define GPY_MMD_SHIFT                   16
#define GPY_REG_MASK                    0x0000FFFF
#define IGP01IGC_PHY_PCS_INIT_REG       0x00B4
#define IGP01IGC_PHY_POLARITY_MASK      0x0078

#define IGP01IGC_PSCR_AUTO_MDIX 0x1000
#define IGP01IGC_PSCR_FORCE_MDI_MDIX    0x2000 /* 0=MDI, 1=MDIX */

#define IGP01IGC_PSCFR_SMART_SPEED      0x0080

#define IGP02IGC_PM_SPD                 0x0001 /* Smart Power Down */
#define IGP02IGC_PM_D0_LPLU             0x0002 /* For D0a states */
#define IGP02IGC_PM_D3_LPLU             0x0004 /* For all other states */

#define IGP01IGC_PLHR_SS_DOWNGRADE      0x8000

#define IGP01IGC_PSSR_POLARITY_REVERSED 0x0002
#define IGP01IGC_PSSR_MDIX              0x0800
#define IGP01IGC_PSSR_SPEED_MASK        0xC000
#define IGP01IGC_PSSR_SPEED_1000MBPS    0xC000

#define IGP02IGC_PHY_CHANNEL_NUM        4
#define IGP02IGC_PHY_AGC_A              0x11B1
#define IGP02IGC_PHY_AGC_B              0x12B1
#define IGP02IGC_PHY_AGC_C              0x14B1
#define IGP02IGC_PHY_AGC_D              0x18B1

#define IGP02IGC_AGC_LENGTH_SHIFT       9       /* Course=15:13, Fine=12:9 */
#define IGP02IGC_AGC_LENGTH_MASK        0x7F
#define IGP02IGC_AGC_RANGE              15

#define IGC_CABLE_LENGTH_UNDEFINED      0xFF

#define IGC_KMRNCTRLSTA_OFFSET          0x001F0000
#define IGC_KMRNCTRLSTA_OFFSET_SHIFT    16
#define IGC_KMRNCTRLSTA_REN             0x00200000
#define IGC_KMRNCTRLSTA_DIAG_OFFSET     0x3    /* Kumeran Diagnostic */
#define IGC_KMRNCTRLSTA_TIMEOUTS        0x4    /* Kumeran Timeouts */
#define IGC_KMRNCTRLSTA_INBAND_PARAM    0x9    /* Kumeran InBand Parameters */
#define IGC_KMRNCTRLSTA_IBIST_DISABLE   0x0200 /* Kumeran IBIST Disable */
#define IGC_KMRNCTRLSTA_DIAG_NELPBK     0x1000 /* Nearend Loopback mode */

#define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10
#define IFE_PHY_SPECIAL_CONTROL         0x11 /* 100BaseTx PHY Special Ctrl */
#define IFE_PHY_SPECIAL_CONTROL_LED     0x1B /* PHY Special and LED Ctrl */
#define IFE_PHY_MDIX_CONTROL            0x1C /* MDI/MDI-X Control */

/* IFE PHY Extended Status Control */
#define IFE_PESC_POLARITY_REVERSED      0x0100

/* IFE PHY Special Control */
#define IFE_PSC_AUTO_POLARITY_DISABLE   0x0010
#define IFE_PSC_FORCE_POLARITY          0x0020

/* IFE PHY Special Control and LED Control */
#define IFE_PSCL_PROBE_MODE             0x0020
#define IFE_PSCL_PROBE_LEDS_OFF         0x0006 /* Force LEDs 0 and 2 off */
#define IFE_PSCL_PROBE_LEDS_ON          0x0007 /* Force LEDs 0 and 2 on */

/* IFE PHY MDIX Control */
#define IFE_PMC_MDIX_STATUS             0x0020 /* 1=MDI-X, 0=MDI */
#define IFE_PMC_FORCE_MDIX              0x0040 /* 1=force MDI-X, 0=force MDI */
#define IFE_PMC_AUTO_MDIX               0x0080 /* 1=enable auto, 0=disable */

#endif  /* _IGC_PHY_H_ */

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