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9#ifndef __BFIN_CRC_H__
10#define __BFIN_CRC_H__
11
12
13struct crc_info {
14
15 unsigned char *in_addr;
16
17 unsigned char *out_addr;
18
19 unsigned long datasize;
20 union {
21
22 unsigned long crc_compare;
23
24 unsigned long val_verify;
25
26 unsigned long val_fill;
27 };
28
29 unsigned long crc_poly;
30 union {
31
32 unsigned long crc_result;
33
34 unsigned long pos_verify;
35 };
36
37 unsigned int bitmirr:1;
38 unsigned int bytmirr:1;
39 unsigned int w16swp:1;
40 unsigned int fdsel:1;
41 unsigned int rsltmirr:1;
42 unsigned int polymirr:1;
43 unsigned int cmpmirr:1;
44};
45
46
47#define CRC_IOC_MAGIC 'C'
48#define CRC_IOC_CALC_CRC _IOWR('C', 0x01, unsigned int)
49#define CRC_IOC_MEMCPY_CRC _IOWR('C', 0x02, unsigned int)
50#define CRC_IOC_VERIFY_VAL _IOWR('C', 0x03, unsigned int)
51#define CRC_IOC_FILL_VAL _IOWR('C', 0x04, unsigned int)
52
53
54#ifdef __KERNEL__
55
56#include <linux/types.h>
57#include <linux/spinlock.h>
58
59struct crc_register {
60 u32 control;
61 u32 datacnt;
62 u32 datacntrld;
63 u32 __pad_1[2];
64 u32 compare;
65 u32 fillval;
66 u32 datafifo;
67 u32 intren;
68 u32 intrenset;
69 u32 intrenclr;
70 u32 poly;
71 u32 __pad_2[4];
72 u32 status;
73 u32 datacntcap;
74 u32 __pad_3;
75 u32 result;
76 u32 curresult;
77 u32 __pad_4[3];
78 u32 revid;
79};
80
81
82#define CMPERR 0x00000002
83#define DCNTEXP 0x00000010
84#define IBR 0x00010000
85#define OBR 0x00020000
86#define IRR 0x00040000
87#define LUTDONE 0x00080000
88#define FSTAT 0x00700000
89#define MAX_FIFO 4
90
91
92#define BLKEN 0x00000001
93#define OPMODE 0x000000F0
94#define OPMODE_OFFSET 4
95#define MODE_DMACPY_CRC 1
96#define MODE_DATA_FILL 2
97#define MODE_CALC_CRC 3
98#define MODE_DATA_VERIFY 4
99#define AUTOCLRZ 0x00000100
100#define AUTOCLRF 0x00000200
101#define OBRSTALL 0x00001000
102#define IRRSTALL 0x00002000
103#define BITMIRR 0x00010000
104#define BITMIRR_OFFSET 16
105#define BYTMIRR 0x00020000
106#define BYTMIRR_OFFSET 17
107#define W16SWP 0x00040000
108#define W16SWP_OFFSET 18
109#define FDSEL 0x00080000
110#define FDSEL_OFFSET 19
111#define RSLTMIRR 0x00100000
112#define RSLTMIRR_OFFSET 20
113#define POLYMIRR 0x00200000
114#define POLYMIRR_OFFSET 21
115#define CMPMIRR 0x00400000
116#define CMPMIRR_OFFSET 22
117
118
119#define CMPERRI 0x02
120#define DCNTEXPI 0x10
121
122#endif
123
124#endif
125