1 /*
2 * Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
3 *
4 * Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
5 * the the people's Republic of China and other countries.
6 * All Allwinner Technology Co.,Ltd. trademarks are used with permission.
7 *
8 * DISCLAIMER
9 * THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
10 * IF YOU NEED TO INTEGRATE THIRD PARTY'S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
11 * IN ALLWINNERS'SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
12 * ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
13 * ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
15 * YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY'S TECHNOLOGY.
16 *
17 *
18 * THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
19 * PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
20 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
21 * THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
23 * IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
30 * OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35
36 #include <hal_log.h>
37 #include <hal_cmd.h>
38 #include <hal_mem.h>
39 #include <hal_cache.h>
40 #include <hal_dma.h>
41
42 #define DMA_TEST_LEN 1024
dma_test_cb(void * param)43 static void dma_test_cb(void *param)
44 {
45 hal_log_info("DMA finished, callback to do something...\n");
46 }
47
cmd_test_dma(int argc,char ** argv)48 int cmd_test_dma(int argc, char **argv)
49 {
50 int ret, i;
51 struct sunxi_dma_chan *hdma = NULL;
52 char *buf1 = NULL,*buf2 = NULL;
53 struct dma_slave_config config = {0};
54 uint32_t size = 0;
55
56 hal_log_info("run in dma test");
57
58 buf2 = hal_malloc(DMA_TEST_LEN);
59 buf1 = hal_malloc(DMA_TEST_LEN);
60
61 if (buf1 == NULL) {
62 hal_log_err("malloc buf1 error!");
63 goto end;
64 }
65
66 if (buf2 == NULL) {
67 hal_log_err("malloc buf2 error!");
68 goto end;
69 }
70
71 memset(buf1, 0, DMA_TEST_LEN);
72 memset(buf2, 0, DMA_TEST_LEN);
73
74 for (i = 0;i < DMA_TEST_LEN; i++)
75 buf1[i] = i & 0xff;
76
77 hal_dcache_clean_all();
78
79 /* request dma chan */
80 ret = hal_dma_chan_request(&hdma);
81 if (ret == HAL_DMA_CHAN_STATUS_BUSY) {
82 hal_log_err("dma channel busy!");
83 goto end;
84 }
85
86 /* register dma callback */
87 ret = hal_dma_callback_install(hdma, dma_test_cb, hdma);
88 if (ret != HAL_DMA_STATUS_OK) {
89 hal_log_err("register dma callback failed!");
90 goto end;
91 }
92
93 config.direction = DMA_MEM_TO_MEM;
94 config.dst_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
95 config.src_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
96 config.dst_maxburst = DMA_SLAVE_BURST_16;
97 config.src_maxburst = DMA_SLAVE_BURST_16;
98 config.slave_id = sunxi_slave_id(DRQDST_SDRAM, DRQSRC_SDRAM);
99
100 ret = hal_dma_slave_config(hdma, &config);
101
102 if (ret != HAL_DMA_STATUS_OK) {
103 hal_log_err("dma config error, ret:%d", ret);
104 goto end;
105 }
106
107 ret = hal_dma_prep_memcpy(hdma, (uint32_t)buf2, (uint32_t)buf1, DMA_TEST_LEN);
108 if (ret != HAL_DMA_STATUS_OK) {
109 hal_log_err("dma prep error, ret:%d", ret);
110 goto end;
111 }
112
113 ret = hal_dma_start(hdma);
114 if (ret != HAL_DMA_STATUS_OK) {
115 hal_log_err("dma start error, ret:%d", ret);
116 goto end;
117 }
118
119 while (hal_dma_tx_status(hdma, &size)!= 0);
120
121 ret = hal_dma_stop(hdma);
122 if (ret != HAL_DMA_STATUS_OK) {
123 hal_log_err("dma stop error, ret:%d", ret);
124 goto end;
125 }
126
127 ret = hal_dma_chan_free(hdma);
128 if (ret != HAL_DMA_STATUS_OK) {
129 hal_log_err("dma free error, ret:%d", ret);
130 goto end;
131 }
132
133 hal_dcache_invalidate_all();
134
135 hal_log_info("src buf:\n");
136 for (i = 0;i < DMA_TEST_LEN; i++)
137 printf("0x%x ", buf1[i]);
138 hal_log_info("dst buf:\n");
139 for (i = 0;i < DMA_TEST_LEN; i++)
140 printf("0x%x ", buf2[i]);
141
142 end:
143 hal_free(buf1);
144 hal_free(buf2);
145
146 return 0;
147 }
148
149 MSH_CMD_EXPORT_ALIAS(cmd_test_dma, hal_dma, dma hal APIs tests)
150