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