1 /*******************************************************************************
4 Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 The full GNU General Public License is included in this distribution in the
24 Linux NICS <linux.nics@intel.com>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #ifndef _E100_PHY_INC_
29 #define _E100_PHY_INC_
34 * Auto-polarity enable/disable
35 * e100_autopolarity = 0 => disable auto-polarity
36 * e100_autopolarity = 1 => enable auto-polarity
37 * e100_autopolarity = 2 => let software determine
39 #define E100_AUTOPOLARITY 2
41 #define IS_NC3133(bdp) (((bdp)->pdev->subsystem_vendor == 0x0E11) && \
42 ((bdp)->pdev->subsystem_device == 0xB0E1))
45 #define PHY_100_A 0x000003E0
46 #define PHY_100_C 0x035002A8
47 #define PHY_NSC_TX 0x5c002000
48 #define PHY_82562ET 0x033002A8
49 #define PHY_82562EM 0x032002A8
50 #define PHY_82562EH 0x017002A8
51 #define PHY_82555_TX 0x015002a8 /* added this for 82555 */
52 #define PHY_OTHER 0xFFFF
53 #define MAX_PHY_ADDR 31
54 #define MIN_PHY_ADDR 0
56 #define PHY_MODEL_REV_ID_MASK 0xFFF0FFFF
58 #define PHY_DEFAULT_ADDRESS 1
59 #define PHY_ADDRESS_503 32
61 /* MDI Control register bit definitions */
62 #define MDI_PHY_READY BIT_28 /* PHY is ready for next MDI cycle */
64 #define MDI_NC3133_CONFIG_REG 0x19
65 #define MDI_NC3133_100FX_ENABLE BIT_2
66 #define MDI_NC3133_INT_ENABLE_REG 0x17
67 #define MDI_NC3133_INT_ENABLE BIT_1
69 /* MDI Control register opcode definitions */
70 #define MDI_WRITE 1 /* Phy Write */
71 #define MDI_READ 2 /* Phy read */
74 #define AUTO_NEG_NEXT_PAGE_REG 0x07 /* Auto-negotiation next page xmit */
75 #define EXTENDED_REG_0 0x10 /* Extended reg 0 (Phy 100 modes) */
76 #define EXTENDED_REG_1 0x14 /* Extended reg 1 (Phy 100 error indications) */
77 #define NSC_CONG_CONTROL_REG 0x17 /* National (TX) congestion control */
78 #define NSC_SPEED_IND_REG 0x19 /* National (TX) speed indication */
80 #define HWI_CONTROL_REG 0x1D /* HWI Control register */
81 /* MDI/MDI-X Control Register bit definitions */
82 #define MDI_MDIX_RES_TIMER BIT_0_3 /* minimum slot time for resolution timer */
83 #define MDI_MDIX_CONFIG_IS_OK BIT_4 /* 1 = resolution algorithm completes OK */
84 #define MDI_MDIX_STATUS BIT_5 /* 1 = MDIX (croos over), 0 = MDI (straight through) */
85 #define MDI_MDIX_SWITCH BIT_6 /* 1 = Forces to MDIX, 0 = Forces to MDI */
86 #define MDI_MDIX_AUTO_SWITCH_ENABLE BIT_7 /* 1 = MDI/MDI-X feature enabled */
87 #define MDI_MDIX_CONCT_CONFIG BIT_8 /* Sets the MDI/MDI-X connectivity configuration (test prupose only) */
88 #define MDI_MDIX_CONCT_TEST_ENABLE BIT_9 /* 1 = Enables connectivity testing */
89 #define MDI_MDIX_RESET_ALL_MASK 0x0000
91 /* HWI Control Register bit definitions */
92 #define HWI_TEST_DISTANCE BIT_0_8 /* distance to cable problem */
93 #define HWI_TEST_HIGHZ_PROBLEM BIT_9 /* 1 = Open Circuit */
94 #define HWI_TEST_LOWZ_PROBLEM BIT_10 /* 1 = Short Circuit */
95 #define HWI_TEST_RESERVED (BIT_11 | BIT_12) /* reserved */
96 #define HWI_TEST_EXECUTE BIT_13 /* 1 = Execute the HWI test on the PHY */
97 #define HWI_TEST_ABILITY BIT_14 /* 1 = test passed */
98 #define HWI_TEST_ENABLE BIT_15 /* 1 = Enables the HWI feature */
99 #define HWI_RESET_ALL_MASK 0x0000
101 /* ############Start of 82555 specific defines################## */
103 /* Intel 82555 specific registers */
104 #define PHY_82555_CSR 0x10 /* 82555 CSR */
105 #define PHY_82555_SPECIAL_CONTROL 0x11 /* 82555 special control register */
107 #define PHY_82555_RCV_ERR 0x15 /* 82555 100BaseTx Receive Error
109 #define PHY_82555_SYMBOL_ERR 0x16 /* 82555 RCV Symbol Error Counter */
110 #define PHY_82555_PREM_EOF_ERR 0x17 /* 82555 100BaseTx RCV Premature End
111 * of Frame Error Counter */
112 #define PHY_82555_EOF_COUNTER 0x18 /* 82555 end of frame error counter */
113 #define PHY_82555_MDI_EQUALIZER_CSR 0x1a /* 82555 specific equalizer reg. */
116 #define PHY_82555_SPEED_BIT BIT_1
117 #define PHY_82555_POLARITY_BIT BIT_8
119 /* 82555 equalizer reg. opcodes */
120 #define ENABLE_ZERO_FORCING 0x2010 /* write to ASD conf. reg. 0 */
121 #define DISABLE_ZERO_FORCING 0x2000 /* write to ASD conf. reg. 0 */
123 /* 82555 special control reg. opcodes */
124 #define DISABLE_AUTO_POLARITY 0x0010
125 #define EXTENDED_SQUELCH_BIT BIT_2
127 /* ############End of 82555 specific defines##################### */
129 /* Auto-Negotiation advertisement register bit definitions*/
130 #define NWAY_AD_FC_SUPPORTED 0x0400 /* Flow Control supported */
132 /* Auto-Negotiation link partner ability register bit definitions*/
133 #define NWAY_LP_ABILITY 0x07e0 /* technologies supported */
135 /* PHY 100 Extended Register 0 bit definitions*/
136 #define PHY_100_ER0_FDX_INDIC BIT_0 /* 1 = FDX, 0 = half duplex */
137 #define PHY_100_ER0_SPEED_INDIC BIT_1 /* 1 = 100Mbps, 0= 10Mbps */
139 /* National Semiconductor TX phy congestion control register bit definitions*/
140 #define NSC_TX_CONG_TXREADY BIT_10 /* Makes TxReady an input */
141 #define NSC_TX_CONG_ENABLE BIT_8 /* Enables congestion control */
143 /* National Semiconductor TX phy speed indication register bit definitions*/
144 #define NSC_TX_SPD_INDC_SPEED BIT_6 /* 0 = 100Mbps, 1=10Mbps */
146 /************* function prototypes ************/
147 extern unsigned char e100_phy_init(struct e100_private *bdp);
148 extern unsigned char e100_update_link_state(struct e100_private *bdp);
149 extern unsigned char e100_phy_check(struct e100_private *bdp);
150 extern void e100_phy_set_speed_duplex(struct e100_private *bdp,
151 unsigned char force_restart);
152 extern void e100_phy_autoneg(struct e100_private *bdp);
153 extern void e100_phy_reset(struct e100_private *bdp);
154 extern void e100_phy_set_loopback(struct e100_private *bdp);
155 extern int e100_mdi_write(struct e100_private *, u32, u32, u16);
156 extern int e100_mdi_read(struct e100_private *, u32, u32, u16 *);