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

  Intel(R) Gigabit Ethernet Linux driver
  Copyright(c) 2007-2012 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:
  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_wait_autoneg_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_reset_dsp(struct e1000_hw *hw);
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);

#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 IGP01E1000_GMII_FIFO		0x14 /* GMII FIFO */
#define IGP01E1000_PHY_CHANNEL_QUALITY	0x15 /* PHY Channel Quality */
#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

#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 100/10 */
#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
#define I82577_PHY_STATUS2_SPEED_100MBPS	0x0100

/* I82577 PHY Control 2 */
#define I82577_PHY_CTRL2_AUTO_MDIX		0x0400
#define I82577_PHY_CTRL2_FORCE_MDI_MDIX		0x0200

/* 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 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

/* Enable flexible speed on link-up */
#define IGP01E1000_GMII_FLEX_SPD	0x0010
#define IGP01E1000_GMII_SPD		0x0020 /* Enable SPD */

#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 IGP03E1000_PHY_MISC_CTRL	0x1B
#define IGP03E1000_PHY_MISC_DUPLEX_MANUAL_SET	0x1000 /* Manually Set Duplex */

#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 Control */
#define IFE_PHY_SPECIAL_CONTROL_LED	0x1B /* PHY Special and LED Control */
#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
#define IFE_PSC_DISABLE_DYNAMIC_POWER_DOWN	0x0100

/* 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