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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
/* $Id: ide.h,v 1.12 1999/04/17 14:25:29 davem Exp $
* ide.h: Ultra/PCI specific IDE glue.
*
* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
*/
#ifndef _SPARC64_IDE_H
#define _SPARC64_IDE_H
#ifdef __KERNEL__
#include <asm/pgtable.h>
typedef unsigned long ide_ioreg_t;
#undef MAX_HWIFS
#define MAX_HWIFS 2
#define ide__sti() __sti()
static __inline__ int ide_default_irq(ide_ioreg_t base)
{
return 0;
}
static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
return 0;
}
static __inline__ void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq)
{
int i;
/* These are simply offsets from base. */
for (i = 0; i < 8; i++)
*p++ = base++;
/* PCI code needs to figure out these. */
for ( ; i < 10; i++)
*p++ = 0;
/* PCI code needs to figure out this. */
if (irq != NULL)
*irq = 0;
}
typedef union {
unsigned int all : 8; /* all of the bits together */
struct {
unsigned int bit7 : 1;
unsigned int lba : 1;
unsigned int bit5 : 1;
unsigned int unit : 1;
unsigned int head : 4;
} b;
} select_t;
static __inline__ int ide_request_irq(unsigned int irq,
void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *name, void *devid)
{
return request_irq(irq, handler, SA_SHIRQ, name, devid);
}
static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
{
free_irq(irq, dev_id);
}
static __inline__ int ide_check_region(ide_ioreg_t base, unsigned int size)
{
return check_region(base, size);
}
static __inline__ void ide_request_region(ide_ioreg_t base, unsigned int size,
const char *name)
{
request_region(base, size, name);
}
static __inline__ void ide_release_region(ide_ioreg_t base, unsigned int size)
{
release_region(base, size);
}
#undef SUPPORT_SLOW_DATA_PORTS
#define SUPPORT_SLOW_DATA_PORTS 0
#undef SUPPORT_VLB_SYNC
#define SUPPORT_VLB_SYNC 0
#undef HD_DATA
#define HD_DATA ((ide_ioreg_t)0)
static __inline__ int ide_ack_intr(ide_ioreg_t status_port, ide_ioreg_t irq_port)
{
return 1;
}
/* From m68k code... */
#ifdef insl
#undef insl
#endif
#ifdef outsl
#undef outsl
#endif
#ifdef insw
#undef insw
#endif
#ifdef outsw
#undef outsw
#endif
#define insl(data_reg, buffer, wcount) insw(data_reg, buffer, (wcount)<<1)
#define outsl(data_reg, buffer, wcount) outsw(data_reg, buffer, (wcount)<<1)
#define insw(port, buf, nr) ide_insw((port), (buf), (nr))
#define outsw(port, buf, nr) ide_outsw((port), (buf), (nr))
static __inline__ void ide_insw(unsigned long port,
void *dst,
unsigned long count)
{
volatile unsigned short *data_port;
unsigned long end = (unsigned long)dst + (count << 1);
u16 *ps = dst;
u32 *pi;
data_port = (volatile unsigned short *)port;
if(((u64)ps) & 0x2) {
*ps++ = *data_port;
count--;
}
pi = (u32 *)ps;
while(count >= 2) {
u32 w;
w = (*data_port) << 16;
w |= (*data_port);
*pi++ = w;
count -= 2;
}
ps = (u16 *)pi;
if(count)
*ps++ = *data_port;
__flush_dcache_range((unsigned long)dst, end);
}
static __inline__ void ide_outsw(unsigned long port,
const void *src,
unsigned long count)
{
volatile unsigned short *data_port;
unsigned long end = (unsigned long)src + (count << 1);
const u16 *ps = src;
const u32 *pi;
data_port = (volatile unsigned short *)port;
if(((u64)src) & 0x2) {
*data_port = *ps++;
count--;
}
pi = (const u32 *)ps;
while(count >= 2) {
u32 w;
w = *pi++;
*data_port = (w >> 16);
*data_port = w;
count -= 2;
}
ps = (const u16 *)pi;
if(count)
*data_port = *ps;
__flush_dcache_range((unsigned long)src, end);
}
#define T_CHAR (0x0000) /* char: don't touch */
#define T_SHORT (0x4000) /* short: 12 -> 21 */
#define T_INT (0x8000) /* int: 1234 -> 4321 */
#define T_TEXT (0xc000) /* text: 12 -> 21 */
#define T_MASK_TYPE (0xc000)
#define T_MASK_COUNT (0x3fff)
#define D_CHAR(cnt) (T_CHAR | (cnt))
#define D_SHORT(cnt) (T_SHORT | (cnt))
#define D_INT(cnt) (T_INT | (cnt))
#define D_TEXT(cnt) (T_TEXT | (cnt))
static u_short driveid_types[] = {
D_SHORT(10), /* config - vendor2 */
D_TEXT(20), /* serial_no */
D_SHORT(3), /* buf_type - ecc_bytes */
D_TEXT(48), /* fw_rev - model */
D_CHAR(2), /* max_multsect - vendor3 */
D_SHORT(1), /* dword_io */
D_CHAR(2), /* vendor4 - capability */
D_SHORT(1), /* reserved50 */
D_CHAR(4), /* vendor5 - tDMA */
D_SHORT(4), /* field_valid - cur_sectors */
D_INT(1), /* cur_capacity */
D_CHAR(2), /* multsect - multsect_valid */
D_INT(1), /* lba_capacity */
D_SHORT(194) /* dma_1word - reservedyy */
};
#define num_driveid_types (sizeof(driveid_types)/sizeof(*driveid_types))
static __inline__ void ide_fix_driveid(struct hd_driveid *id)
{
u_char *p = (u_char *)id;
int i, j, cnt;
u_char t;
for (i = 0; i < num_driveid_types; i++) {
cnt = driveid_types[i] & T_MASK_COUNT;
switch (driveid_types[i] & T_MASK_TYPE) {
case T_CHAR:
p += cnt;
break;
case T_SHORT:
for (j = 0; j < cnt; j++) {
t = p[0];
p[0] = p[1];
p[1] = t;
p += 2;
}
break;
case T_INT:
for (j = 0; j < cnt; j++) {
t = p[0];
p[0] = p[3];
p[3] = t;
t = p[1];
p[1] = p[2];
p[2] = t;
p += 4;
}
break;
case T_TEXT:
for (j = 0; j < cnt; j += 2) {
t = p[0];
p[0] = p[1];
p[1] = t;
p += 2;
}
break;
};
}
}
static __inline__ void ide_release_lock (int *ide_lock)
{
}
static __inline__ void ide_get_lock (int *ide_lock, void (*handler)(int, void *, struct pt_regs *), void *data)
{
}
#endif /* __KERNEL__ */
#endif /* _SPARC64_IDE_H */
|
