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/* $OpenBSD: igc_phy.h,v 1.3 2024/06/09 05:18:12 jsg 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_setup_copper_link_generic(struct igc_hw *);
int igc_phy_has_link_generic(struct igc_hw *, uint32_t, uint32_t, bool *);
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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