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
|
/*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
/*
* dc_helper.c
*
* Created on: Aug 30, 2016
* Author: agrodzov
*/
#include "dm_services.h"
#include <stdarg.h>
uint32_t generic_reg_update_ex(const struct dc_context *ctx,
uint32_t addr, uint32_t reg_val, int n,
uint8_t shift1, uint32_t mask1, uint32_t field_value1,
...)
{
uint32_t shift, mask, field_value;
int i = 1;
va_list ap;
va_start(ap, field_value1);
reg_val = set_reg_field_value_ex(reg_val, field_value1, mask1, shift1);
while (i < n) {
shift = va_arg(ap, uint32_t);
mask = va_arg(ap, uint32_t);
field_value = va_arg(ap, uint32_t);
reg_val = set_reg_field_value_ex(reg_val, field_value, mask, shift);
i++;
}
dm_write_reg(ctx, addr, reg_val);
va_end(ap);
return reg_val;
}
uint32_t generic_reg_get(const struct dc_context *ctx, uint32_t addr,
uint8_t shift, uint32_t mask, uint32_t *field_value)
{
uint32_t reg_val = dm_read_reg(ctx, addr);
*field_value = get_reg_field_value_ex(reg_val, mask, shift);
return reg_val;
}
uint32_t generic_reg_get2(const struct dc_context *ctx, uint32_t addr,
uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
uint8_t shift2, uint32_t mask2, uint32_t *field_value2)
{
uint32_t reg_val = dm_read_reg(ctx, addr);
*field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1);
*field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2);
return reg_val;
}
uint32_t generic_reg_get3(const struct dc_context *ctx, uint32_t addr,
uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
uint8_t shift2, uint32_t mask2, uint32_t *field_value2,
uint8_t shift3, uint32_t mask3, uint32_t *field_value3)
{
uint32_t reg_val = dm_read_reg(ctx, addr);
*field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1);
*field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2);
*field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3);
return reg_val;
}
uint32_t generic_reg_get4(const struct dc_context *ctx, uint32_t addr,
uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
uint8_t shift2, uint32_t mask2, uint32_t *field_value2,
uint8_t shift3, uint32_t mask3, uint32_t *field_value3,
uint8_t shift4, uint32_t mask4, uint32_t *field_value4)
{
uint32_t reg_val = dm_read_reg(ctx, addr);
*field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1);
*field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2);
*field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3);
*field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4);
return reg_val;
}
uint32_t generic_reg_get5(const struct dc_context *ctx, uint32_t addr,
uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
uint8_t shift2, uint32_t mask2, uint32_t *field_value2,
uint8_t shift3, uint32_t mask3, uint32_t *field_value3,
uint8_t shift4, uint32_t mask4, uint32_t *field_value4,
uint8_t shift5, uint32_t mask5, uint32_t *field_value5)
{
uint32_t reg_val = dm_read_reg(ctx, addr);
*field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1);
*field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2);
*field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3);
*field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4);
*field_value5 = get_reg_field_value_ex(reg_val, mask5, shift5);
return reg_val;
}
/* note: va version of this is pretty bad idea, since there is a output parameter pass by pointer
* compiler won't be able to check for size match and is prone to stack corruption type of bugs
uint32_t generic_reg_get(const struct dc_context *ctx,
uint32_t addr, int n, ...)
{
uint32_t shift, mask;
uint32_t *field_value;
uint32_t reg_val;
int i = 0;
reg_val = dm_read_reg(ctx, addr);
va_list ap;
va_start(ap, n);
while (i < n) {
shift = va_arg(ap, uint32_t);
mask = va_arg(ap, uint32_t);
field_value = va_arg(ap, uint32_t *);
*field_value = get_reg_field_value_ex(reg_val, mask, shift);
i++;
}
va_end(ap);
return reg_val;
}
*/
uint32_t generic_reg_wait(const struct dc_context *ctx,
uint32_t addr, uint32_t shift, uint32_t mask, uint32_t condition_value,
unsigned int delay_between_poll_us, unsigned int time_out_num_tries,
const char *func_name, int line)
{
uint32_t field_value;
uint32_t reg_val;
int i;
/* something is terribly wrong if time out is > 200ms. (5Hz) */
ASSERT(delay_between_poll_us * time_out_num_tries <= 200000);
if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) {
/* 35 seconds */
delay_between_poll_us = 35000;
time_out_num_tries = 1000;
}
for (i = 0; i <= time_out_num_tries; i++) {
if (i) {
if (delay_between_poll_us >= 1000)
msleep(delay_between_poll_us/1000);
else if (delay_between_poll_us > 0)
udelay(delay_between_poll_us);
}
reg_val = dm_read_reg(ctx, addr);
field_value = get_reg_field_value_ex(reg_val, mask, shift);
if (field_value == condition_value) {
if (i * delay_between_poll_us > 1000)
dm_output_to_console("REG_WAIT taking a while: %dms in %s line:%d\n",
delay_between_poll_us * i / 1000,
func_name, line);
return reg_val;
}
}
dm_error("REG_WAIT timeout %dus * %d tries - %s line:%d\n",
delay_between_poll_us, time_out_num_tries,
func_name, line);
if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
BREAK_TO_DEBUGGER();
return reg_val;
}
|
