summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_em_osdep.h
blob: f6920e7882964593008648c9285534c55742f50c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/**************************************************************************

Copyright (c) 2001-2003, Intel Corporation
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

 3. Neither the name of the Intel Corporation nor the names of its
    contributors may be used to endorse or promote products derived from
    this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

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

/* $OpenBSD: if_em_osdep.h,v 1.6 2006/03/05 19:55:10 brad Exp $ */
/* $FreeBSD: if_em_osdep.h,v 1.11 2003/05/02 21:17:08 pdeuskar Exp $ */

#ifndef _EM_OPENBSD_OS_H_
#define _EM_OPENBSD_OS_H_

/* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
#define usec_delay(x)		DELAY(x)
#define msec_delay(x)		DELAY(1000*(x))
/* TODO: Should we be paranoid about delaying in interrupt context? */
#define msec_delay_irq(x)	DELAY(1000*(x))

#define MSGOUT(S, A, B)		printf(S "\n", A, B)
#define DEBUGFUNC(F)		DEBUGOUT(F);
#if DBG
	#define DEBUGOUT(S)			printf(S "\n")
	#define DEBUGOUT1(S,A)			printf(S "\n",A)
	#define DEBUGOUT2(S,A,B)		printf(S "\n",A,B)
	#define DEBUGOUT3(S,A,B,C)		printf(S "\n",A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)	printf(S "\n",A,B,C,D,E,F,G)
#else
	#define DEBUGOUT(S)
	#define DEBUGOUT1(S,A)
	#define DEBUGOUT2(S,A,B)
	#define DEBUGOUT3(S,A,B,C)
	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif

#define CMD_MEM_WRT_INVALIDATE		0x0010  /* BIT_4 */

struct em_osdep
{
	bus_space_tag_t		mem_bus_space_tag;
	bus_space_handle_t	mem_bus_space_handle;
	struct device		*dev;

	struct pci_attach_args	em_pa;

	bus_size_t		em_memsize;
	bus_addr_t		em_membase;

	bus_space_handle_t	em_iobhandle;
	bus_space_tag_t		em_iobtag;
	bus_size_t		em_iosize;
	bus_addr_t		em_iobase;
};

#define E1000_WRITE_FLUSH(hw)	E1000_READ_REG(hw, STATUS)

/* Read from an absolute offset in the adapter's memory space */
#define E1000_READ_OFFSET(hw, offset) \
	bus_space_read_4( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			    offset)

/* Write to an absolute offset in the adapter's memory space */
#define E1000_WRITE_OFFSET(hw, offset, value) \
	bus_space_write_4( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			    offset, value)

/* Convert a register name to its offset in the adapter's memory space */
#define E1000_REG_OFFSET(hw, reg) \
	((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg)

#define E1000_READ_REG(hw, reg) \
	E1000_READ_OFFSET(hw, E1000_REG_OFFSET(hw, reg))

#define E1000_WRITE_REG(hw, reg, value) \
	E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg), value)

#define E1000_READ_REG_ARRAY(hw, reg, index) \
	E1000_READ_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2))

#define E1000_READ_REG_ARRAY_DWORD	E1000_READ_REG_ARRAY

#define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
	E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2), value)

#define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
	bus_space_write_1( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			    E1000_REG_OFFSET(hw, reg) + (index), \
			    value)

#define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
	bus_space_write_2( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
			    ((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
			    E1000_REG_OFFSET(hw, reg) + (index), \
			    value)

#define E1000_WRITE_REG_ARRAY_DWORD(hw, reg, index, value) \
	E1000_WRITE_OFFSET(hw, E1000_REG_OFFSET(hw, reg) + ((index) << 2), value)

#define em_io_read(hw, port) \
	bus_space_read_4(((struct em_osdep *)(hw)->back)->em_iobtag, \
			    ((struct em_osdep *)(hw)->back)->em_iobhandle, (port))

#define em_io_write(hw, port, value) \
	bus_space_write_4(((struct em_osdep *)(hw)->back)->em_iobtag, \
			    ((struct em_osdep *)(hw)->back)->em_iobhandle, \
			    (port), (value))

#ifdef DEBUG
#define EM_KASSERT(exp,msg)	do { if (!(exp)) panic msg; } while (0)
#else
#define EM_KASSERT(exp,msg)
#endif

#endif  /* _EM_OPENBSD_OS_H_ */