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/* SPDX-License-Identifier: GPL-2.0 */
/*******************************************************************************

  Intel(R) Gigabit Ethernet Linux driver
  Copyright(c) 2007-2013 Intel Corporation.

  Contact Information:
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

#ifndef _E1000_PHY_H_
#define _E1000_PHY_H_

void e1000_init_phy_ops_generic(struct e1000_hw *hw);
s32  e1000_null_read_reg(struct e1000_hw *hw, u32 offset, u16 *data);
void e1000_null_phy_generic(struct e1000_hw *hw);
s32  e1000_null_lplu_state(struct e1000_hw *hw, bool active);
s32  e1000_null_write_reg(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_null_set_page(struct e1000_hw *hw, u16 data);
s32 e1000_read_i2c_byte_null(struct e1000_hw *hw, u8 byte_offset,
			     u8 dev_addr, u8 *data);
s32 e1000_write_i2c_byte_null(struct e1000_hw *hw, u8 byte_offset,
			      u8 dev_addr, u8 data);
s32  e1000_check_downshift_generic(struct e1000_hw *hw);
s32  e1000_check_polarity_m88(struct e1000_hw *hw);
s32  e1000_check_polarity_igp(struct e1000_hw *hw);
s32  e1000_check_polarity_ife(struct e1000_hw *hw);
s32  e1000_check_reset_block_generic(struct e1000_hw *hw);
s32  e1000_copper_link_setup_igp(struct e1000_hw *hw);
s32  e1000_copper_link_setup_m88(struct e1000_hw *hw);
s32  e1000_copper_link_setup_m88_gen2(struct e1000_hw *hw);
s32  e1000_phy_force_speed_duplex_igp(struct e1000_hw *hw);
s32  e1000_phy_force_speed_duplex_m88(struct e1000_hw *hw);
s32  e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw);
s32  e1000_get_cable_length_m88(struct e1000_hw *hw);
s32  e1000_get_cable_length_m88_gen2(struct e1000_hw *hw);
s32  e1000_get_cable_length_igp_2(struct e1000_hw *hw);
s32  e1000_get_cfg_done_generic(struct e1000_hw *hw);
s32  e1000_get_phy_id(struct e1000_hw *hw);
s32  e1000_get_phy_info_igp(struct e1000_hw *hw);
s32  e1000_get_phy_info_m88(struct e1000_hw *hw);
s32  e1000_get_phy_info_ife(struct e1000_hw *hw);
s32  e1000_phy_sw_reset_generic(struct e1000_hw *hw);
void e1000_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
s32  e1000_phy_hw_reset_generic(struct e1000_hw *hw);
s32  e1000_phy_reset_dsp_generic(struct e1000_hw *hw);
s32  e1000_read_kmrn_reg_generic(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_set_page_igp(struct e1000_hw *hw, u16 page);
s32  e1000_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_set_d3_lplu_state_generic(struct e1000_hw *hw, bool active);
s32  e1000_setup_copper_link_generic(struct e1000_hw *hw);
s32  e1000_write_kmrn_reg_generic(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
				u32 usec_interval, bool *success);
s32  e1000_phy_init_script_igp3(struct e1000_hw *hw);
enum e1000_phy_type e1000_get_phy_type_from_id(u32 phy_id);
s32  e1000_determine_phy_address(struct e1000_hw *hw);
s32  e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg);
s32  e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, u16 *phy_reg);
void e1000_power_up_phy_copper(struct e1000_hw *hw);
void e1000_power_down_phy_copper(struct e1000_hw *hw);
s32  e1000_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
s32  e1000_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data);
s32  e1000_write_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 data);
s32  e1000_copper_link_setup_82577(struct e1000_hw *hw);
s32  e1000_check_polarity_82577(struct e1000_hw *hw);
s32  e1000_get_phy_info_82577(struct e1000_hw *hw);
s32  e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw);
s32  e1000_get_cable_length_82577(struct e1000_hw *hw);
s32  e1000_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data);
s32  e1000_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data);
s32 e1000_read_phy_reg_mphy(struct e1000_hw *hw, u32 address, u32 *data);
s32 e1000_write_phy_reg_mphy(struct e1000_hw *hw, u32 address, u32 data,
			     bool line_override);
bool e1000_is_mphy_ready(struct e1000_hw *hw);

#define E1000_MAX_PHY_ADDR		8

/* IGP01E1000 Specific Registers */
#define IGP01E1000_PHY_PORT_CONFIG	0x10 /* Port Config */
#define IGP01E1000_PHY_PORT_STATUS	0x11 /* Status */
#define IGP01E1000_PHY_PORT_CTRL	0x12 /* Control */
#define IGP01E1000_PHY_LINK_HEALTH	0x13 /* PHY Link Health */
#define IGP02E1000_PHY_POWER_MGMT	0x19 /* Power Management */
#define IGP01E1000_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

/* GS40G - I210 PHY defines */
#define GS40G_PAGE_SELECT		0x16
#define GS40G_PAGE_SHIFT		16
#define GS40G_OFFSET_MASK		0xFFFF
#define GS40G_PAGE_2			0x20000
#define GS40G_MAC_REG2			0x15
#define GS40G_MAC_LB			0x4140
#define GS40G_MAC_SPEED_1G		0X0006
#define GS40G_COPPER_SPEC		0x0010
#define GS40G_CS_POWER_DOWN		0x0002

#define HV_INTC_FC_PAGE_START		768
#define I82578_ADDR_REG			29
#define I82577_ADDR_REG			16
#define I82577_CFG_REG			22
#define I82577_CFG_ASSERT_CRS_ON_TX	(1 << 15)
#define I82577_CFG_ENABLE_DOWNSHIFT	(3 << 10) /* auto downshift */
#define I82577_CTRL_REG			23

/* 82577 specific PHY registers */
#define I82577_PHY_CTRL_2		18
#define I82577_PHY_LBK_CTRL		19
#define I82577_PHY_STATUS_2		26
#define I82577_PHY_DIAG_STATUS		31

/* I82577 PHY Status 2 */
#define I82577_PHY_STATUS2_REV_POLARITY		0x0400
#define I82577_PHY_STATUS2_MDIX			0x0800
#define I82577_PHY_STATUS2_SPEED_MASK		0x0300
#define I82577_PHY_STATUS2_SPEED_1000MBPS	0x0200

/* I82577 PHY Control 2 */
#define I82577_PHY_CTRL2_MANUAL_MDIX		0x0200
#define I82577_PHY_CTRL2_AUTO_MDI_MDIX		0x0400
#define I82577_PHY_CTRL2_MDIX_CFG_MASK		0x0600

/* I82577 PHY Diagnostics Status */
#define I82577_DSTATUS_CABLE_LENGTH		0x03FC
#define I82577_DSTATUS_CABLE_LENGTH_SHIFT	2

/* 82580 PHY Power Management */
#define E1000_82580_PHY_POWER_MGMT	0xE14
#define E1000_82580_PM_SPD		0x0001 /* Smart Power Down */
#define E1000_82580_PM_D0_LPLU		0x0002 /* For D0a states */
#define E1000_82580_PM_D3_LPLU		0x0004 /* For all other states */
#define E1000_82580_PM_GO_LINKD		0x0020 /* Go Link Disconnect */

#define E1000_MPHY_DIS_ACCESS		0x80000000 /* disable_access bit */
#define E1000_MPHY_ENA_ACCESS		0x40000000 /* enable_access bit */
#define E1000_MPHY_BUSY			0x00010000 /* busy bit */
#define E1000_MPHY_ADDRESS_FNC_OVERRIDE	0x20000000 /* fnc_override bit */
#define E1000_MPHY_ADDRESS_MASK		0x0000FFFF /* address mask */

#define IGP01E1000_PHY_PCS_INIT_REG	0x00B4
#define IGP01E1000_PHY_POLARITY_MASK	0x0078

#define IGP01E1000_PSCR_AUTO_MDIX	0x1000
#define IGP01E1000_PSCR_FORCE_MDI_MDIX	0x2000 /* 0=MDI, 1=MDIX */

#define IGP01E1000_PSCFR_SMART_SPEED	0x0080

#define IGP02E1000_PM_SPD		0x0001 /* Smart Power Down */
#define IGP02E1000_PM_D0_LPLU		0x0002 /* For D0a states */
#define IGP02E1000_PM_D3_LPLU		0x0004 /* For all other states */

#define IGP01E1000_PLHR_SS_DOWNGRADE	0x8000

#define IGP01E1000_PSSR_POLARITY_REVERSED	0x0002
#define IGP01E1000_PSSR_MDIX		0x0800
#define IGP01E1000_PSSR_SPEED_MASK	0xC000
#define IGP01E1000_PSSR_SPEED_1000MBPS	0xC000

#define IGP02E1000_PHY_CHANNEL_NUM	4
#define IGP02E1000_PHY_AGC_A		0x11B1
#define IGP02E1000_PHY_AGC_B		0x12B1
#define IGP02E1000_PHY_AGC_C		0x14B1
#define IGP02E1000_PHY_AGC_D		0x18B1

#define IGP02E1000_AGC_LENGTH_SHIFT	9   /* Course=15:13, Fine=12:9 */
#define IGP02E1000_AGC_LENGTH_MASK	0x7F
#define IGP02E1000_AGC_RANGE		15

#define E1000_CABLE_LENGTH_UNDEFINED	0xFF

#define E1000_KMRNCTRLSTA_OFFSET	0x001F0000
#define E1000_KMRNCTRLSTA_OFFSET_SHIFT	16
#define E1000_KMRNCTRLSTA_REN		0x00200000
#define E1000_KMRNCTRLSTA_DIAG_OFFSET	0x3    /* Kumeran Diagnostic */
#define E1000_KMRNCTRLSTA_TIMEOUTS	0x4    /* Kumeran Timeouts */
#define E1000_KMRNCTRLSTA_INBAND_PARAM	0x9    /* Kumeran InBand Parameters */
#define E1000_KMRNCTRLSTA_IBIST_DISABLE	0x0200 /* Kumeran IBIST Disable */
#define E1000_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 */

/* SFP modules ID memory locations */
#define E1000_SFF_IDENTIFIER_OFFSET	0x00
#define E1000_SFF_IDENTIFIER_SFF	0x02
#define E1000_SFF_IDENTIFIER_SFP	0x03

#define E1000_SFF_ETH_FLAGS_OFFSET	0x06
/* Flags for SFP modules compatible with ETH up to 1Gb */
struct sfp_e1000_flags {
	u8 e1000_base_sx:1;
	u8 e1000_base_lx:1;
	u8 e1000_base_cx:1;
	u8 e1000_base_t:1;
	u8 e100_base_lx:1;
	u8 e100_base_fx:1;
	u8 e10_base_bx10:1;
	u8 e10_base_px:1;
};

/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
#define E1000_SFF_VENDOR_OUI_TYCO	0x00407600
#define E1000_SFF_VENDOR_OUI_FTL	0x00906500
#define E1000_SFF_VENDOR_OUI_AVAGO	0x00176A00
#define E1000_SFF_VENDOR_OUI_INTEL	0x001B2100

#endif