drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h

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

  Intel 10 Gigabit PCI Express Linux driver
  Copyright(c) 1999 - 2016 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

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

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

#ifndef _IXGBE_PHY_H_
#define _IXGBE_PHY_H_

#include "ixgbe_type.h"
#define IXGBE_I2C_EEPROM_DEV_ADDR    0xA0
#define IXGBE_I2C_EEPROM_DEV_ADDR2   0xA2

/* EEPROM byte offsets */
#define IXGBE_SFF_IDENTIFIER		0x0
#define IXGBE_SFF_IDENTIFIER_SFP	0x3
#define IXGBE_SFF_VENDOR_OUI_BYTE0	0x25
#define IXGBE_SFF_VENDOR_OUI_BYTE1	0x26
#define IXGBE_SFF_VENDOR_OUI_BYTE2	0x27
#define IXGBE_SFF_1GBE_COMP_CODES	0x6
#define IXGBE_SFF_10GBE_COMP_CODES	0x3
#define IXGBE_SFF_CABLE_TECHNOLOGY	0x8
#define IXGBE_SFF_CABLE_SPEC_COMP	0x3C
#define IXGBE_SFF_SFF_8472_SWAP		0x5C
#define IXGBE_SFF_SFF_8472_COMP		0x5E
#define IXGBE_SFF_SFF_8472_OSCB		0x6E
#define IXGBE_SFF_SFF_8472_ESCB		0x76
#define IXGBE_SFF_IDENTIFIER_QSFP_PLUS	0xD
#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE0	0xA5
#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE1	0xA6
#define IXGBE_SFF_QSFP_VENDOR_OUI_BYTE2	0xA7
#define IXGBE_SFF_QSFP_CONNECTOR	0x82
#define IXGBE_SFF_QSFP_10GBE_COMP	0x83
#define IXGBE_SFF_QSFP_1GBE_COMP	0x86
#define IXGBE_SFF_QSFP_CABLE_LENGTH	0x92
#define IXGBE_SFF_QSFP_DEVICE_TECH	0x93

/* Bitmasks */
#define IXGBE_SFF_DA_PASSIVE_CABLE		0x4
#define IXGBE_SFF_DA_ACTIVE_CABLE		0x8
#define IXGBE_SFF_DA_SPEC_ACTIVE_LIMITING	0x4
#define IXGBE_SFF_1GBASESX_CAPABLE		0x1
#define IXGBE_SFF_1GBASELX_CAPABLE		0x2
#define IXGBE_SFF_1GBASET_CAPABLE		0x8
#define IXGBE_SFF_10GBASESR_CAPABLE		0x10
#define IXGBE_SFF_10GBASELR_CAPABLE		0x20
#define IXGBE_SFF_SOFT_RS_SELECT_MASK		0x8
#define IXGBE_SFF_SOFT_RS_SELECT_10G		0x8
#define IXGBE_SFF_SOFT_RS_SELECT_1G		0x0
#define IXGBE_SFF_ADDRESSING_MODE		0x4
#define IXGBE_SFF_QSFP_DA_ACTIVE_CABLE		0x1
#define IXGBE_SFF_QSFP_DA_PASSIVE_CABLE		0x8
#define IXGBE_SFF_QSFP_CONNECTOR_NOT_SEPARABLE	0x23
#define IXGBE_SFF_QSFP_TRANSMITER_850NM_VCSEL	0x0
#define IXGBE_I2C_EEPROM_READ_MASK		0x100
#define IXGBE_I2C_EEPROM_STATUS_MASK		0x3
#define IXGBE_I2C_EEPROM_STATUS_NO_OPERATION	0x0
#define IXGBE_I2C_EEPROM_STATUS_PASS		0x1
#define IXGBE_I2C_EEPROM_STATUS_FAIL		0x2
#define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS	0x3
#define IXGBE_CS4227				0xBE    /* CS4227 address */
#define IXGBE_CS4227_GLOBAL_ID_LSB		0
#define IXGBE_CS4227_GLOBAL_ID_MSB		1
#define IXGBE_CS4227_SCRATCH			2
#define IXGBE_CS4223_PHY_ID			0x7003	/* Quad port */
#define IXGBE_CS4227_PHY_ID			0x3003	/* Dual port */
#define IXGBE_CS4227_RESET_PENDING		0x1357
#define IXGBE_CS4227_RESET_COMPLETE		0x5AA5
#define IXGBE_CS4227_RETRIES			15
#define IXGBE_CS4227_EFUSE_STATUS		0x0181
#define IXGBE_CS4227_LINE_SPARE22_MSB		0x12AD	/* Reg to set speed */
#define IXGBE_CS4227_LINE_SPARE24_LSB		0x12B0	/* Reg to set EDC */
#define IXGBE_CS4227_HOST_SPARE22_MSB		0x1AAD	/* Reg to set speed */
#define IXGBE_CS4227_HOST_SPARE24_LSB		0x1AB0	/* Reg to program EDC */
#define IXGBE_CS4227_EEPROM_STATUS		0x5001
#define IXGBE_CS4227_EEPROM_LOAD_OK		0x0001
#define IXGBE_CS4227_SPEED_1G			0x8000
#define IXGBE_CS4227_SPEED_10G			0
#define IXGBE_CS4227_EDC_MODE_CX1		0x0002
#define IXGBE_CS4227_EDC_MODE_SR		0x0004
#define IXGBE_CS4227_EDC_MODE_DIAG		0x0008
#define IXGBE_CS4227_RESET_HOLD			500	/* microseconds */
#define IXGBE_CS4227_RESET_DELAY		500	/* milliseconds */
#define IXGBE_CS4227_CHECK_DELAY		30	/* milliseconds */
#define IXGBE_PE				0xE0	/* Port expander addr */
#define IXGBE_PE_OUTPUT				1	/* Output reg offset */
#define IXGBE_PE_CONFIG				3	/* Config reg offset */
#define IXGBE_PE_BIT1				BIT(1)

/* Flow control defines */
#define IXGBE_TAF_SYM_PAUSE                  0x400
#define IXGBE_TAF_ASM_PAUSE                  0x800

/* Bit-shift macros */
#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT    24
#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT    16
#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT    8

/* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
#define IXGBE_SFF_VENDOR_OUI_TYCO     0x00407600
#define IXGBE_SFF_VENDOR_OUI_FTL      0x00906500
#define IXGBE_SFF_VENDOR_OUI_AVAGO    0x00176A00
#define IXGBE_SFF_VENDOR_OUI_INTEL    0x001B2100

/* I2C SDA and SCL timing parameters for standard mode */
#define IXGBE_I2C_T_HD_STA  4
#define IXGBE_I2C_T_LOW     5
#define IXGBE_I2C_T_HIGH    4
#define IXGBE_I2C_T_SU_STA  5
#define IXGBE_I2C_T_HD_DATA 5
#define IXGBE_I2C_T_SU_DATA 1
#define IXGBE_I2C_T_RISE    1
#define IXGBE_I2C_T_FALL    1
#define IXGBE_I2C_T_SU_STO  4
#define IXGBE_I2C_T_BUF     5

#define IXGBE_SFP_DETECT_RETRIES	2

#define IXGBE_TN_LASI_STATUS_REG        0x9005
#define IXGBE_TN_LASI_STATUS_TEMP_ALARM 0x0008

/* SFP+ SFF-8472 Compliance code */
#define IXGBE_SFF_SFF_8472_UNSUP      0x00

s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw);
s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw);
s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
			       u32 device_type, u16 *phy_data);
s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
				u32 device_type, u16 phy_data);
s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
			   u32 device_type, u16 *phy_data);
s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
			    u32 device_type, u16 phy_data);
s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw);
s32 ixgbe_setup_phy_link_speed_generic(struct ixgbe_hw *hw,
				       ixgbe_link_speed speed,
				       bool autoneg_wait_to_complete);
s32 ixgbe_get_copper_link_capabilities_generic(struct ixgbe_hw *hw,
					       ixgbe_link_speed *speed,
					       bool *autoneg);
bool ixgbe_check_reset_blocked(struct ixgbe_hw *hw);

/* PHY specific */
s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw,
			     ixgbe_link_speed *speed,
			     bool *link_up);
s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw);
s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
				       u16 *firmware_version);
s32 ixgbe_get_phy_firmware_version_generic(struct ixgbe_hw *hw,
					   u16 *firmware_version);

s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw);
s32 ixgbe_set_copper_phy_power(struct ixgbe_hw *hw, bool on);
s32 ixgbe_identify_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
					u16 *list_offset,
					u16 *data_offset);
s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
				u8 dev_addr, u8 *data);
s32 ixgbe_read_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
					 u8 dev_addr, u8 *data);
s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
				 u8 dev_addr, u8 data);
s32 ixgbe_write_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
					  u8 dev_addr, u8 data);
s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
				  u8 *eeprom_data);
s32 ixgbe_read_i2c_sff8472_generic(struct ixgbe_hw *hw, u8 byte_offset,
				   u8 *sff8472_data);
s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
				   u8 eeprom_data);
s32 ixgbe_read_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
				    u16 reg, u16 *val);
s32 ixgbe_read_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr,
					     u16 reg, u16 *val);
s32 ixgbe_write_i2c_combined_generic(struct ixgbe_hw *hw, u8 addr,
				     u16 reg, u16 val);
s32 ixgbe_write_i2c_combined_generic_unlocked(struct ixgbe_hw *hw, u8 addr,
					      u16 reg, u16 val);
#endif /* _IXGBE_PHY_H_ */