1 /**************************************************************************
2 
3 Copyright (c) 2001-2003, Intel Corporation
4 All rights reserved.
5 
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
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9  1. Redistributions of source code must retain the above copyright notice,
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12  2. Redistributions in binary form must reproduce the above copyright
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16  3. Neither the name of the Intel Corporation nor the names of its
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18     this software without specific prior written permission.
19 
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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31 
32 ***************************************************************************/
33 
34 /*$FreeBSD: if_em_osdep.h,v 1.11 2003/05/02 21:17:08 pdeuskar Exp $*/
35 /* $OpenBSD: if_em_osdep.h,v 1.3 2004/04/18 04:15:01 henric Exp $ */
36 
37 #ifndef _EM_OPENBSD_OS_H_
38 #define _EM_OPENBSD_OS_H_
39 
40 #define ASSERT(x) if(!(x)) panic("EM: x")
41 
42 /* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
43 #define usec_delay(x) DELAY(x)
44 #define msec_delay(x) DELAY(1000*(x))
45 
46 #define MSGOUT(S, A, B)     printf(S "\n", A, B)
47 #define DEBUGFUNC(F)        DEBUGOUT(F);
48 #if DBG
49 	#define DEBUGOUT(S)         printf(S "\n")
50 	#define DEBUGOUT1(S,A)      printf(S "\n",A)
51 	#define DEBUGOUT2(S,A,B)    printf(S "\n",A,B)
52 	#define DEBUGOUT3(S,A,B,C)  printf(S "\n",A,B,C)
53 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)  printf(S "\n",A,B,C,D,E,F,G)
54 #else
55 	#define DEBUGOUT(S)
56 	#define DEBUGOUT1(S,A)
57 	#define DEBUGOUT2(S,A,B)
58 	#define DEBUGOUT3(S,A,B,C)
59 	#define DEBUGOUT7(S,A,B,C,D,E,F,G)
60 #endif
61 
62 #define FALSE               0
63 #define TRUE                1
64 #define CMD_MEM_WRT_INVALIDATE          0x0010  /* BIT_4 */
65 #define PCI_COMMAND_REGISTER            PCI_COMMAND_STATUS_REG
66 
67 struct em_osdep
68 {
69 	bus_space_tag_t    mem_bus_space_tag;
70 	bus_space_handle_t mem_bus_space_handle;
71 	struct device     *dev;
72 
73 	struct pci_attach_args em_pa;
74 
75         bus_size_t              em_memsize;
76         bus_addr_t              em_membase;
77 
78         bus_space_handle_t      em_iobhandle;
79         bus_space_tag_t         em_iobtag;
80         bus_size_t              em_iosize;
81         bus_addr_t              em_iobase;
82 };
83 
84 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)
85 
86 #define E1000_READ_REG(a, reg) 						\
87    bus_space_read_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag,	\
88 	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
89 	((a)->mac_type >= em_82543) ? E1000_##reg : E1000_82542_##reg)
90 
91 #define E1000_WRITE_REG(a, reg, value)					\
92    bus_space_write_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag, \
93 	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
94 	((a)->mac_type >= em_82543) ? E1000_##reg : E1000_82542_##reg,	\
95 	value)
96 
97 #define E1000_READ_REG_ARRAY(a, reg, offset)				\
98    bus_space_read_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag,	\
99 		     ((struct em_osdep *)(a)->back)->mem_bus_space_handle, \
100 		     ((a)->mac_type >= em_82543) ?			\
101 				(E1000_##reg	   + ((offset) << 2)) :	\
102 				(E1000_82542_##reg + ((offset) << 2)) )
103 
104 #define E1000_WRITE_REG_ARRAY(a, reg, offset, value)			\
105     bus_space_write_4( ((struct em_osdep *)(a)->back)->mem_bus_space_tag, \
106 	((struct em_osdep *)(a)->back)->mem_bus_space_handle,		\
107 	((a)->mac_type >= em_82543) ?					\
108 		(E1000_##reg	   + ((offset) << 2)) :			\
109 		(E1000_82542_##reg + ((offset) << 2)),			\
110 	value)
111 
112 #define em_io_read(hw, port)						\
113         bus_space_read_4(((struct em_osdep *)(hw)->back)->em_iobtag,	\
114                 ((struct em_osdep *)(hw)->back)->em_iobhandle, (port))
115 
116 #define em_io_write(hw, port, value)					\
117         bus_space_write_4(((struct em_osdep *)(hw)->back)->em_iobtag,	\
118                         ((struct em_osdep *)(hw)->back)->em_iobhandle,	\
119 			(port), (value))
120 
121 #ifdef DEBUG
122 #define EM_KASSERT(exp,msg)        do { if (!(exp)) panic msg; } while (0)
123 #else
124 #define EM_KASSERT(exp,msg)
125 #endif
126 #define bus_dma_tag_destroy(tag)
127 #define mtx_assert(a, b)        splassert(IPL_NET)
128 
129 #endif  /* _EM_OPENBSD_OS_H_ */
130 
131