xref: /dragonfly/sys/dev/netif/ig_hal/e1000_osdep.h (revision 38b5d46c)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2014, 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:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation nor the names of its
17       contributors may be used to endorse or promote products derived from
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
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
31 
32 ******************************************************************************/
33 
34 #ifndef _DRAGONFLY_OS_H_
35 #define _DRAGONFLY_OS_H_
36 
37 #include <sys/param.h>
38 #include <sys/bus.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 
42 #include <bus/pci/pcivar.h>
43 #include <bus/pci/pcireg.h>
44 
45 #define usec_delay(x)		DELAY(x)
46 #define usec_delay_irq usec_delay
47 #define msec_delay(x)		DELAY(1000*(x))
48 /* TODO: Should we be paranoid about delaying in interrupt context? */
49 #define msec_delay_irq(x)	DELAY(1000*(x))
50 
51 extern int e1000_debug;
52 
53 #define DEBUGPRINT(S, args...)		\
54 do {					\
55 	if (e1000_debug)		\
56 		kprintf(S, ##args);	\
57 } while (0)
58 #define DEBUGFUNC(F)		DEBUGOUT(F)
59 #define DEBUGOUT(S)		DEBUGPRINT(S)
60 #define DEBUGOUT1(S,A)		DEBUGPRINT(S, A)
61 #define DEBUGOUT2(S,A,B)	DEBUGPRINT(S, A, B)
62 #define DEBUGOUT3(S,A,B,C)	DEBUGPRINT(S, A, B, C)
63 #define DEBUGOUT7(S,A,B,C,D,E,F,G) DEBUGPRINT(S, A, B, C, D, E, F, G)
64 
65 #define CMD_MEM_WRT_INVALIDATE	0x0010  /* BIT_4 */
66 #define PCI_COMMAND_REGISTER	PCIR_COMMAND
67 
68 /*
69  * These typedefs are necessary due to the new
70  * shared code, they are native to Linux.
71  */
72 typedef uint64_t	u64;
73 typedef uint32_t	u32;
74 typedef uint16_t	u16;
75 typedef uint8_t		u8;
76 typedef int64_t		s64;
77 typedef int32_t		s32;
78 typedef int16_t		s16;
79 typedef int8_t		s8;
80 
81 #define __le16		u16
82 #define __le32		u32
83 #define __le64		u64
84 
85 struct e1000_osdep {
86 	bus_space_tag_t		mem_bus_space_tag;
87 	bus_space_handle_t	mem_bus_space_handle;
88 	bus_space_tag_t		io_bus_space_tag;
89 	bus_space_handle_t	io_bus_space_handle;
90 	bus_space_tag_t		flash_bus_space_tag;
91 	bus_space_handle_t	flash_bus_space_handle;
92 	device_t		dev;
93 };
94 
95 #define E1000_REGISTER(hw, reg) (((hw)->mac.type >= e1000_82543) \
96     ? reg : e1000_translate_register_82542(reg))
97 
98 #define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, E1000_STATUS)
99 
100 /* Read from an absolute offset in the adapter's memory space */
101 #define E1000_READ_OFFSET(hw, offset) \
102     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
103     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset)
104 
105 /* Write to an absolute offset in the adapter's memory space */
106 #define E1000_WRITE_OFFSET(hw, offset, value) \
107     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
108     ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
109 
110 /* Register READ/WRITE macros */
111 
112 #define E1000_READ_REG(hw, reg) \
113     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
114         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
115         E1000_REGISTER(hw, reg))
116 
117 #define E1000_READ_REG16(hw, reg) \
118     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
119         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
120         E1000_REGISTER(hw, reg))
121 
122 #define E1000_WRITE_REG(hw, reg, value) \
123     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
124         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
125         E1000_REGISTER(hw, reg), value)
126 
127 #define E1000_WRITE_REG16(hw, reg, value) \
128     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
129         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
130         E1000_REGISTER(hw, reg), value)
131 
132 #define E1000_READ_REG_ARRAY(hw, reg, index) \
133     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
134         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
135         E1000_REGISTER(hw, reg) + ((index)<< 2))
136 
137 #define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
138     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
139         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
140         E1000_REGISTER(hw, reg) + ((index)<< 2), value)
141 
142 #define E1000_READ_REG_ARRAY_DWORD	E1000_READ_REG_ARRAY
143 #define E1000_WRITE_REG_ARRAY_DWORD	E1000_WRITE_REG_ARRAY
144 
145 #define E1000_READ_REG_ARRAY_BYTE(hw, reg, index) \
146     bus_space_read_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
147         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
148         E1000_REGISTER(hw, reg) + index)
149 
150 #define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
151     bus_space_write_1(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
152         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
153         E1000_REGISTER(hw, reg) + index, value)
154 
155 #define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
156     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->mem_bus_space_tag, \
157         ((struct e1000_osdep *)(hw)->back)->mem_bus_space_handle, \
158         E1000_REGISTER(hw, reg) + (index << 1), value)
159 
160 #define E1000_WRITE_REG_IO(hw, reg, value) do {\
161     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
162         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
163         (hw)->io_base, reg); \
164     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->io_bus_space_tag, \
165         ((struct e1000_osdep *)(hw)->back)->io_bus_space_handle, \
166         (hw)->io_base + 4, value); } while (0)
167 
168 #define E1000_READ_FLASH_REG(hw, reg) \
169     (((hw)->mac.type == e1000_pch_spt) ? E1000_READ_REG(hw, (reg) + 0xE000):   \
170     bus_space_read_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
171         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg))
172 
173 #define E1000_READ_FLASH_REG16(hw, reg) \
174     (((hw)->mac.type == e1000_pch_spt) ? E1000_READ_REG16(hw, (reg) + 0xE000): \
175     bus_space_read_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
176         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg))
177 
178 #define E1000_WRITE_FLASH_REG(hw, reg, value) \
179     (((hw)->mac.type == e1000_pch_spt) ? E1000_WRITE_REG(hw, (reg) + 0xE000, value):   \
180     bus_space_write_4(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
181         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value))
182 
183 #define E1000_WRITE_FLASH_REG16(hw, reg, value) \
184     (((hw)->mac.type == e1000_pch_spt) ? E1000_WRITE_REG16(hw, (reg) + 0xE000, value):   \
185     bus_space_write_2(((struct e1000_osdep *)(hw)->back)->flash_bus_space_tag, \
186         ((struct e1000_osdep *)(hw)->back)->flash_bus_space_handle, reg, value))
187 
188 #endif	/* _DRAGONFLY_OS_H_ */
189