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/*
* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
*
* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
* the the people's Republic of China and other countries.
* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
*
* DISCLAIMER
* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
* IF YOU NEED TO INTEGRATE THIRD PARTY'S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
* IN ALLWINNERS'SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY'S TECHNOLOGY.
*
*
* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <hal_log.h>
#include <hal_cmd.h>
#include <hal_mem.h>
#include <hal_cache.h>
#include <hal_dma.h>
#define DMA_TEST_LEN 1024
static void dma_test_cb(void *param)
{
hal_log_info("DMA finished, callback to do something...\n");
}
int cmd_test_dma(int argc, char **argv)
{
int ret, i;
struct sunxi_dma_chan *hdma = NULL;
char *buf1 = NULL,*buf2 = NULL;
struct dma_slave_config config = {0};
uint32_t size = 0;
hal_log_info("run in dma test");
buf2 = hal_malloc(DMA_TEST_LEN);
buf1 = hal_malloc(DMA_TEST_LEN);
if (buf1 == NULL) {
hal_log_err("malloc buf1 error!");
goto end;
}
if (buf2 == NULL) {
hal_log_err("malloc buf2 error!");
goto end;
}
memset(buf1, 0, DMA_TEST_LEN);
memset(buf2, 0, DMA_TEST_LEN);
for (i = 0;i < DMA_TEST_LEN; i++)
buf1[i] = i & 0xff;
hal_dcache_clean_all();
/* request dma chan */
ret = hal_dma_chan_request(&hdma);
if (ret == HAL_DMA_CHAN_STATUS_BUSY) {
hal_log_err("dma channel busy!");
goto end;
}
/* register dma callback */
ret = hal_dma_callback_install(hdma, dma_test_cb, hdma);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("register dma callback failed!");
goto end;
}
config.direction = DMA_MEM_TO_MEM;
config.dst_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
config.src_addr_width = DMA_SLAVE_BUSWIDTH_8_BYTES;
config.dst_maxburst = DMA_SLAVE_BURST_16;
config.src_maxburst = DMA_SLAVE_BURST_16;
config.slave_id = sunxi_slave_id(DRQDST_SDRAM, DRQSRC_SDRAM);
ret = hal_dma_slave_config(hdma, &config);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("dma config error, ret:%d", ret);
goto end;
}
ret = hal_dma_prep_memcpy(hdma, (uint32_t)buf2, (uint32_t)buf1, DMA_TEST_LEN);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("dma prep error, ret:%d", ret);
goto end;
}
ret = hal_dma_start(hdma);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("dma start error, ret:%d", ret);
goto end;
}
while (hal_dma_tx_status(hdma, &size)!= 0);
ret = hal_dma_stop(hdma);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("dma stop error, ret:%d", ret);
goto end;
}
ret = hal_dma_chan_free(hdma);
if (ret != HAL_DMA_STATUS_OK) {
hal_log_err("dma free error, ret:%d", ret);
goto end;
}
hal_dcache_invalidate_all();
hal_log_info("src buf:\n");
for (i = 0;i < DMA_TEST_LEN; i++)
printf("0x%x ", buf1[i]);
hal_log_info("dst buf:\n");
for (i = 0;i < DMA_TEST_LEN; i++)
printf("0x%x ", buf2[i]);
end:
hal_free(buf1);
hal_free(buf2);
return 0;
}
MSH_CMD_EXPORT_ALIAS(cmd_test_dma, hal_dma, dma hal APIs tests)
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