1 /*******************************************************************************
2 
3 
4   Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
5 
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)
9   any later version.
10 
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
14   more details.
15 
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.
19 
20   The full GNU General Public License is included in this distribution in the
21   file called LICENSE.
22 
23   Contact Information:
24   Linux NICS <linux.nics@intel.com>
25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
27 
28 #ifndef _E100_PHY_INC_
29 #define _E100_PHY_INC_
30 
31 #include "e100.h"
32 
33 /*
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
38  */
39 #define E100_AUTOPOLARITY 2
40 
41 #define IS_NC3133(bdp) (((bdp)->pdev->subsystem_vendor == 0x0E11) && \
42                         ((bdp)->pdev->subsystem_device == 0xB0E1))
43 
44 #define PHY_503                 0
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
55 
56 #define PHY_MODEL_REV_ID_MASK   0xFFF0FFFF
57 
58 #define PHY_DEFAULT_ADDRESS 1
59 #define PHY_ADDRESS_503 32
60 
61 /* MDI Control register bit definitions */
62 #define MDI_PHY_READY	    BIT_28	/* PHY is ready for next MDI cycle */
63 
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
68 
69 /* MDI Control register opcode definitions */
70 #define MDI_WRITE 1		/* Phy Write */
71 #define MDI_READ  2		/* Phy read */
72 
73 /* MDI register set*/
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 */
79 
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
90 
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
100 
101 /* ############Start of 82555 specific defines################## */
102 
103 /* Intel 82555 specific registers */
104 #define PHY_82555_CSR		    0x10	/* 82555 CSR */
105 #define PHY_82555_SPECIAL_CONTROL   0x11	/* 82555 special control register */
106 
107 #define PHY_82555_RCV_ERR	    0x15	/* 82555 100BaseTx Receive Error
108 						 * Frame Counter */
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. */
114 
115 /* 82555 CSR bits */
116 #define PHY_82555_SPEED_BIT    BIT_1
117 #define PHY_82555_POLARITY_BIT BIT_8
118 
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 */
122 
123 /* 82555 special control reg. opcodes */
124 #define DISABLE_AUTO_POLARITY 0x0010
125 #define EXTENDED_SQUELCH_BIT  BIT_2
126 
127 /* ############End of 82555 specific defines##################### */
128 
129 /* Auto-Negotiation advertisement register bit definitions*/
130 #define NWAY_AD_FC_SUPPORTED    0x0400	/* Flow Control supported */
131 
132 /* Auto-Negotiation link partner ability register bit definitions*/
133 #define NWAY_LP_ABILITY	        0x07e0	/* technologies supported */
134 
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 */
138 
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 */
142 
143 /* National Semiconductor TX phy speed indication register bit definitions*/
144 #define NSC_TX_SPD_INDC_SPEED BIT_6	/* 0 = 100Mbps, 1=10Mbps */
145 
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 *);
157 
158 #endif
159