xref: /plan9-contrib/sys/src/9/bcm/ethermii.h (revision 5c47fe09a0cc86dfb02c0ea4a2b6aec7eda2361f)
1 typedef struct Mii Mii;
2 typedef struct MiiPhy MiiPhy;
3 
4 enum {					/* registers */
5 	Bmcr		= 0x00,		/* Basic Mode Control */
6 	Bmsr		= 0x01,		/* Basic Mode Status */
7 	Phyidr1		= 0x02,		/* PHY Identifier #1 */
8 	Phyidr2		= 0x03,		/* PHY Identifier #2 */
9 	Anar		= 0x04,		/* Auto-Negotiation Advertisement */
10 	Anlpar		= 0x05,		/* AN Link Partner Ability */
11 	Aner		= 0x06,		/* AN Expansion */
12 	Annptr		= 0x07,		/* AN Next Page TX */
13 	Annprr		= 0x08,		/* AN Next Page RX */
14 	Mscr		= 0x09,		/* MASTER-SLAVE Control */
15 	Mssr		= 0x0A,		/* MASTER-SLAVE Status */
16 	Mmdctrl		= 0x0D,		/* MMD Access Control */
17 	Mmddata		= 0x0E,		/* MMD Access Data Register */
18 	Esr		= 0x0F,		/* Extended Status */
19 
20 	NMiiPhyr	= 32,
21 	NMiiPhy		= 32,
22 };
23 
24 enum {					/* Bmcr */
25 	BmcrSs1		= 0x0040,	/* Speed Select[1] */
26 	BmcrCte		= 0x0080,	/* Collision Test Enable */
27 	BmcrDm		= 0x0100,	/* Duplex Mode */
28 	BmcrRan		= 0x0200,	/* Restart Auto-Negotiation */
29 	BmcrI		= 0x0400,	/* Isolate */
30 	BmcrPd		= 0x0800,	/* Power Down */
31 	BmcrAne		= 0x1000,	/* Auto-Negotiation Enable */
32 	BmcrSs0		= 0x2000,	/* Speed Select[0] */
33 	BmcrLe		= 0x4000,	/* Loopback Enable */
34 	BmcrR		= 0x8000,	/* Reset */
35 };
36 
37 enum {					/* Bmsr */
38 	BmsrEc		= 0x0001,	/* Extended Capability */
39 	BmsrJd		= 0x0002,	/* Jabber Detect */
40 	BmsrLs		= 0x0004,	/* Link Status */
41 	BmsrAna		= 0x0008,	/* Auto-Negotiation Ability */
42 	BmsrRf		= 0x0010,	/* Remote Fault */
43 	BmsrAnc		= 0x0020,	/* Auto-Negotiation Complete */
44 	BmsrPs		= 0x0040,	/* Preamble Suppression Capable */
45 	BmsrEs		= 0x0100,	/* Extended Status */
46 	Bmsr100T2HD	= 0x0200,	/* 100BASE-T2 HD Capable */
47 	Bmsr100T2FD	= 0x0400,	/* 100BASE-T2 FD Capable */
48 	Bmsr10THD	= 0x0800,	/* 10BASE-T HD Capable */
49 	Bmsr10TFD	= 0x1000,	/* 10BASE-T FD Capable */
50 	Bmsr100TXHD	= 0x2000,	/* 100BASE-TX HD Capable */
51 	Bmsr100TXFD	= 0x4000,	/* 100BASE-TX FD Capable */
52 	Bmsr100T4	= 0x8000,	/* 100BASE-T4 Capable */
53 };
54 
55 enum {					/* Anar/Anlpar */
56 	Ana10HD		= 0x0020,	/* Advertise 10BASE-T */
57 	Ana10FD		= 0x0040,	/* Advertise 10BASE-T FD */
58 	AnaTXHD		= 0x0080,	/* Advertise 100BASE-TX */
59 	AnaTXFD		= 0x0100,	/* Advertise 100BASE-TX FD */
60 	AnaT4		= 0x0200,	/* Advertise 100BASE-T4 */
61 	AnaP		= 0x0400,	/* Pause */
62 	AnaAP		= 0x0800,	/* Asymmetrical Pause */
63 	AnaRf		= 0x2000,	/* Remote Fault */
64 	AnaAck		= 0x4000,	/* Acknowledge */
65 	AnaNp		= 0x8000,	/* Next Page Indication */
66 };
67 
68 enum {					/* Mscr */
69 	Mscr1000THD	= 0x0100,	/* Advertise 1000BASE-T HD */
70 	Mscr1000TFD	= 0x0200,	/* Advertise 1000BASE-T FD */
71 };
72 
73 enum {					/* Mssr */
74 	Mssr1000THD	= 0x0400,	/* Link Partner 1000BASE-T HD able */
75 	Mssr1000TFD	= 0x0800,	/* Link Partner 1000BASE-T FD able */
76 };
77 
78 enum {					/* Esr */
79 	Esr1000THD	= 0x1000,	/* 1000BASE-T HD Capable */
80 	Esr1000TFD	= 0x2000,	/* 1000BASE-T FD Capable */
81 	Esr1000XHD	= 0x4000,	/* 1000BASE-X HD Capable */
82 	Esr1000XFD	= 0x8000,	/* 1000BASE-X FD Capable */
83 };
84 
85 typedef struct Mii {
86 	Lock;
87 	int	nphy;
88 	int	mask;
89 	MiiPhy*	phy[NMiiPhy];
90 	MiiPhy*	curphy;
91 
92 	void*	ctlr;
93 	int	(*mir)(Mii*, int, int);
94 	int	(*miw)(Mii*, int, int, int);
95 } Mii;
96 
97 typedef struct MiiPhy {
98 	Mii*	mii;
99 	u32int	id;
100 	int	oui;
101 	int	phyno;
102 
103 	int	anar;
104 	int	fc;
105 	int	mscr;
106 
107 	int	link;
108 	int	speed;
109 	int	fd;
110 	int	rfc;
111 	int	tfc;
112 };
113 
114 extern int mii(Mii*, int);
115 extern int miiane(Mii*, int, int, int);
116 extern int miimir(Mii*, int);
117 extern int miimiw(Mii*, int, int);
118 extern int miireset(Mii*);
119 extern int miistatus(Mii*);
120 
121 extern int miimmdr(Mii*, int, int);
122 extern int miimmdw(Mii*, int, int, int);
123