xref: /freebsd/sys/dev/igc/igc_phy.h (revision 31ba4ce8898f9dfa5e7f054fdbc26e50a599a6e3)
1 /*-
2  * Copyright 2021 Intel Corp
3  * Copyright 2021 Rubicon Communications, LLC (Netgate)
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  * $FreeBSD$
7  */
8 
9 #ifndef _IGC_PHY_H_
10 #define _IGC_PHY_H_
11 
12 void igc_init_phy_ops_generic(struct igc_hw *hw);
13 s32  igc_null_read_reg(struct igc_hw *hw, u32 offset, u16 *data);
14 void igc_null_phy_generic(struct igc_hw *hw);
15 s32  igc_null_lplu_state(struct igc_hw *hw, bool active);
16 s32  igc_null_write_reg(struct igc_hw *hw, u32 offset, u16 data);
17 s32  igc_null_set_page(struct igc_hw *hw, u16 data);
18 s32  igc_check_downshift_generic(struct igc_hw *hw);
19 s32  igc_check_reset_block_generic(struct igc_hw *hw);
20 s32  igc_get_phy_id(struct igc_hw *hw);
21 s32  igc_phy_sw_reset_generic(struct igc_hw *hw);
22 void igc_phy_force_speed_duplex_setup(struct igc_hw *hw, u16 *phy_ctrl);
23 s32  igc_phy_hw_reset_generic(struct igc_hw *hw);
24 s32  igc_phy_reset_dsp_generic(struct igc_hw *hw);
25 s32  igc_set_d3_lplu_state_generic(struct igc_hw *hw, bool active);
26 s32  igc_setup_copper_link_generic(struct igc_hw *hw);
27 s32  igc_phy_has_link_generic(struct igc_hw *hw, u32 iterations,
28 				u32 usec_interval, bool *success);
29 enum igc_phy_type igc_get_phy_type_from_id(u32 phy_id);
30 s32  igc_determine_phy_address(struct igc_hw *hw);
31 s32  igc_enable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg);
32 s32  igc_disable_phy_wakeup_reg_access_bm(struct igc_hw *hw, u16 *phy_reg);
33 void igc_power_up_phy_copper(struct igc_hw *hw);
34 void igc_power_down_phy_copper(struct igc_hw *hw);
35 s32  igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data);
36 s32  igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data);
37 
38 s32 igc_read_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr,
39 			 u16 *data);
40 s32 igc_write_xmdio_reg(struct igc_hw *hw, u16 addr, u8 dev_addr,
41 			  u16 data);
42 s32  igc_write_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 data);
43 s32  igc_read_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 *data);
44 
45 #define IGC_MAX_PHY_ADDR		8
46 
47 /* IGP01IGC Specific Registers */
48 #define IGP01IGC_PHY_PORT_CONFIG	0x10 /* Port Config */
49 #define IGP01IGC_PHY_PORT_STATUS	0x11 /* Status */
50 #define IGP01IGC_PHY_PORT_CTRL	0x12 /* Control */
51 #define IGP01IGC_PHY_LINK_HEALTH	0x13 /* PHY Link Health */
52 #define IGP02IGC_PHY_POWER_MGMT	0x19 /* Power Management */
53 #define IGP01IGC_PHY_PAGE_SELECT	0x1F /* Page Select */
54 #define BM_PHY_PAGE_SELECT		22   /* Page Select for BM */
55 #define IGP_PAGE_SHIFT			5
56 #define PHY_REG_MASK			0x1F
57 #define IGC_I225_PHPM			0x0E14 /* I225 PHY Power Management */
58 #define IGC_I225_PHPM_DIS_1000_D3	0x0008 /* Disable 1G in D3 */
59 #define IGC_I225_PHPM_LINK_ENERGY	0x0010 /* Link Energy Detect */
60 #define IGC_I225_PHPM_GO_LINKD	0x0020 /* Go Link Disconnect */
61 #define IGC_I225_PHPM_DIS_1000	0x0040 /* Disable 1G globally */
62 #define IGC_I225_PHPM_SPD_B2B_EN	0x0080 /* Smart Power Down Back2Back */
63 #define IGC_I225_PHPM_RST_COMPL	0x0100 /* PHY Reset Completed */
64 #define IGC_I225_PHPM_DIS_100_D3	0x0200 /* Disable 100M in D3 */
65 #define IGC_I225_PHPM_ULP		0x0400 /* Ultra Low-Power Mode */
66 #define IGC_I225_PHPM_DIS_2500	0x0800 /* Disable 2.5G globally */
67 #define IGC_I225_PHPM_DIS_2500_D3	0x1000 /* Disable 2.5G in D3 */
68 /* GPY211 - I225 defines */
69 #define GPY_MMD_MASK			0xFFFF0000
70 #define GPY_MMD_SHIFT			16
71 #define GPY_REG_MASK			0x0000FFFF
72 #define IGP01IGC_PHY_PCS_INIT_REG	0x00B4
73 #define IGP01IGC_PHY_POLARITY_MASK	0x0078
74 
75 #define IGP01IGC_PSCR_AUTO_MDIX	0x1000
76 #define IGP01IGC_PSCR_FORCE_MDI_MDIX	0x2000 /* 0=MDI, 1=MDIX */
77 
78 #define IGP01IGC_PSCFR_SMART_SPEED	0x0080
79 
80 #define IGP02IGC_PM_SPD		0x0001 /* Smart Power Down */
81 #define IGP02IGC_PM_D0_LPLU		0x0002 /* For D0a states */
82 #define IGP02IGC_PM_D3_LPLU		0x0004 /* For all other states */
83 
84 #define IGP01IGC_PLHR_SS_DOWNGRADE	0x8000
85 
86 #define IGP01IGC_PSSR_POLARITY_REVERSED	0x0002
87 #define IGP01IGC_PSSR_MDIX		0x0800
88 #define IGP01IGC_PSSR_SPEED_MASK	0xC000
89 #define IGP01IGC_PSSR_SPEED_1000MBPS	0xC000
90 
91 #define IGP02IGC_PHY_CHANNEL_NUM	4
92 #define IGP02IGC_PHY_AGC_A		0x11B1
93 #define IGP02IGC_PHY_AGC_B		0x12B1
94 #define IGP02IGC_PHY_AGC_C		0x14B1
95 #define IGP02IGC_PHY_AGC_D		0x18B1
96 
97 #define IGP02IGC_AGC_LENGTH_SHIFT	9   /* Course=15:13, Fine=12:9 */
98 #define IGP02IGC_AGC_LENGTH_MASK	0x7F
99 #define IGP02IGC_AGC_RANGE		15
100 
101 #define IGC_CABLE_LENGTH_UNDEFINED	0xFF
102 
103 #define IGC_KMRNCTRLSTA_OFFSET	0x001F0000
104 #define IGC_KMRNCTRLSTA_OFFSET_SHIFT	16
105 #define IGC_KMRNCTRLSTA_REN		0x00200000
106 #define IGC_KMRNCTRLSTA_DIAG_OFFSET	0x3    /* Kumeran Diagnostic */
107 #define IGC_KMRNCTRLSTA_TIMEOUTS	0x4    /* Kumeran Timeouts */
108 #define IGC_KMRNCTRLSTA_INBAND_PARAM	0x9    /* Kumeran InBand Parameters */
109 #define IGC_KMRNCTRLSTA_IBIST_DISABLE	0x0200 /* Kumeran IBIST Disable */
110 #define IGC_KMRNCTRLSTA_DIAG_NELPBK	0x1000 /* Nearend Loopback mode */
111 
112 #define IFE_PHY_EXTENDED_STATUS_CONTROL	0x10
113 #define IFE_PHY_SPECIAL_CONTROL		0x11 /* 100BaseTx PHY Special Ctrl */
114 #define IFE_PHY_SPECIAL_CONTROL_LED	0x1B /* PHY Special and LED Ctrl */
115 #define IFE_PHY_MDIX_CONTROL		0x1C /* MDI/MDI-X Control */
116 
117 /* IFE PHY Extended Status Control */
118 #define IFE_PESC_POLARITY_REVERSED	0x0100
119 
120 /* IFE PHY Special Control */
121 #define IFE_PSC_AUTO_POLARITY_DISABLE	0x0010
122 #define IFE_PSC_FORCE_POLARITY		0x0020
123 
124 /* IFE PHY Special Control and LED Control */
125 #define IFE_PSCL_PROBE_MODE		0x0020
126 #define IFE_PSCL_PROBE_LEDS_OFF		0x0006 /* Force LEDs 0 and 2 off */
127 #define IFE_PSCL_PROBE_LEDS_ON		0x0007 /* Force LEDs 0 and 2 on */
128 
129 /* IFE PHY MDIX Control */
130 #define IFE_PMC_MDIX_STATUS		0x0020 /* 1=MDI-X, 0=MDI */
131 #define IFE_PMC_FORCE_MDIX		0x0040 /* 1=force MDI-X, 0=force MDI */
132 #define IFE_PMC_AUTO_MDIX		0x0080 /* 1=enable auto, 0=disable */
133 
134 #endif
135