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
|
/*
* Copyright (C) 2017-2024 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
* @file target_get.c
* @brief CSI Source File for target API
* @version V1.0
* @date 9. April 2020
******************************************************************************/
#include <stdint.h>
#include <soc.h>
#include <csi_core.h>
#include <csi_config.h>
#include <drv/common.h>
#include <drv/pin.h>
#include <drv/dma.h>
extern csi_perip_info_t g_soc_info[];
extern const csi_dma_ch_spt_list_t dma_spt_list[];
csi_error_t target_get(csi_dev_tag_t dev_tag, uint32_t idx, csi_dev_t *dev)
{
csi_error_t ret = CSI_OK;
csi_perip_info_t *info;
if (dev == NULL) {
ret = CSI_ERROR;
}
///< 使用包含外设基地址，外设中断号，外设设备号，外设设备类型成员的结构体数组变量初始化info
info = (csi_perip_info_t *)&g_soc_info;
///< 获取相应的设备类型和设备号
while (info->reg_base) {
if ((info->dev_tag == (uint16_t)dev_tag) && (info->idx == (uint8_t)idx)) {
break;
}
info++;
}
///< 初始化设备的统一句柄：基地址，中断号，设备号，设备类型
if (info->reg_base == 0U) {
ret = CSI_ERROR;
}
if (ret != CSI_ERROR) {
dev->reg_base = info->reg_base;
dev->irq_num = info->irq_num;
dev->idx = info->idx;
dev->dev_tag = (uint16_t)dev_tag;
}
return ret;
}
uint32_t target_pin_to_devidx(pin_name_t pin_name, const csi_pinmap_t *pinmap)
{
const csi_pinmap_t *map = pinmap;
uint32_t ret = 0xFFFFFFFFU;
while ((uint32_t)map->pin_name != 0xFFFFFFFFU) {
if ((map->pin_name == pin_name) && (csi_pin_get_mux(pin_name) == map->pin_func)) {
ret = map->idx;
break;
}
map++;
}
return ret;
}
uint32_t target_pin_to_channel(pin_name_t pin_name, const csi_pinmap_t *pinmap)
{
const csi_pinmap_t *map = pinmap;
uint32_t ret = 0xFFFFFFFFU;
while ((uint32_t)map->pin_name != 0xFFFFFFFFU) {
if (map->pin_name == pin_name) {
ret = (uint32_t)map->channel;
break;
}
map++;
}
return ret;
}
pin_name_t target_gpio_to_pin(uint8_t gpio_idx, uint8_t channel, const csi_pinmap_t *pinmap)
{
const csi_pinmap_t *map = pinmap;
pin_name_t ret = (pin_name_t)0xFFU;
while ((uint32_t)map->pin_name != 0xFFFFFFFFU) {
if ((map->idx == gpio_idx) && (map->channel == channel)) {
ret = map->pin_name;
break;
}
map++;
}
return ret;
}
csi_error_t target_get_optimal_dma_channel(void *dma_list, uint32_t ctrl_num, csi_dev_t *parent_dev, void *ch_info)
{
uint32_t spt_id, ch_info_id, ctrl_id, ch_id;
int32_t is_find = 0;
csi_error_t csi_ret = CSI_OK;
csi_dma_t **list = (csi_dma_t **)dma_list;
csi_dma_ch_desc_t *dma_ch_info = (csi_dma_ch_desc_t *)ch_info;
if (parent_dev == NULL) {
/* the MEM2MEM mode */
for (ctrl_id = 0U; ctrl_id < ctrl_num; ctrl_id++) {
for (ch_id = 0U; ch_id < list[ctrl_id]->ch_num; ch_id++) {
if (!(list[ctrl_id]->alloc_status & ((uint32_t)1 << ch_id))) {
dma_ch_info->ch_idx = (uint8_t)ch_id;
dma_ch_info->ctrl_idx = (uint8_t)ctrl_id;
/* find the channel */
is_find = 1;
break;
}
}
if (is_find) {
break;
}
}
if (is_find == 0) {
csi_ret = CSI_ERROR;
}
} else {
/* the MEM2PERH mode or PERH2MEM mode */
for (spt_id = 0U; dma_spt_list[spt_id].dev_tag != 0xFFFFU; spt_id++) {
if ((dma_spt_list[spt_id].dev_tag == parent_dev->dev_tag) && ((uint8_t)dma_spt_list[spt_id].ctrl_idx == parent_dev->idx)) {
break;
}
}
if (dma_spt_list[spt_id].dev_tag == 0xFFFFU) {
csi_ret = CSI_ERROR;
}
for (ch_info_id = 0U;; ch_info_id++) {
if (dma_spt_list[spt_id].ch_list[ch_info_id].ctrl_idx == 0xFFU) {
csi_ret = CSI_ERROR;
break;
}
for (ctrl_id = 0U; ctrl_id < ctrl_num; ctrl_id++) {
if ((ctrl_id == dma_spt_list[spt_id].ch_list[ch_info_id].ctrl_idx) &&
!(list[ctrl_id]->alloc_status & ((uint32_t)1 << dma_spt_list[spt_id].ch_list[ch_info_id].ch_idx))) {
dma_ch_info->ch_idx = dma_spt_list[spt_id].ch_list[ch_info_id].ch_idx;
dma_ch_info->ctrl_idx = dma_spt_list[spt_id].ch_list[ch_info_id].ctrl_idx;
/* find the channel */
is_find = 1;
break;
}
}
if (is_find) {
break;
}
}
}
return csi_ret;
}
|
