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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Direct Memory Access U-Class tests
- *
- * Copyright (C) 2018 Texas Instruments Incorporated <www.ti.com>
- * Grygorii Strashko <grygorii.strashko@ti.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <malloc.h>
- #include <dm/test.h>
- #include <dma.h>
- #include <test/test.h>
- #include <test/ut.h>
- static int dm_test_dma_m2m(struct unit_test_state *uts)
- {
- struct udevice *dev;
- struct dma dma_m2m;
- u8 src_buf[512];
- u8 dst_buf[512];
- size_t len = 512;
- int i;
- ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
- ut_assertok(dma_get_by_name(dev, "m2m", &dma_m2m));
- memset(dst_buf, 0, len);
- for (i = 0; i < len; i++)
- src_buf[i] = i;
- ut_assertok(dma_memcpy(dst_buf, src_buf, len));
- ut_asserteq_mem(src_buf, dst_buf, len);
- return 0;
- }
- DM_TEST(dm_test_dma_m2m, UT_TESTF_SCAN_FDT);
- static int dm_test_dma(struct unit_test_state *uts)
- {
- struct udevice *dev;
- struct dma dma_tx, dma_rx;
- u8 src_buf[512];
- u8 dst_buf[512];
- void *dst_ptr;
- size_t len = 512;
- u32 meta1, meta2;
- int i;
- ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
- ut_assertok(dma_get_by_name(dev, "tx0", &dma_tx));
- ut_assertok(dma_get_by_name(dev, "rx0", &dma_rx));
- ut_assertok(dma_enable(&dma_tx));
- ut_assertok(dma_enable(&dma_rx));
- memset(dst_buf, 0, len);
- for (i = 0; i < len; i++)
- src_buf[i] = i;
- meta1 = 0xADADDEAD;
- meta2 = 0;
- dst_ptr = &dst_buf;
- ut_assertok(dma_send(&dma_tx, src_buf, len, &meta1));
- ut_asserteq(len, dma_receive(&dma_rx, &dst_ptr, &meta2));
- ut_asserteq(0xADADDEAD, meta2);
- ut_assertok(dma_disable(&dma_tx));
- ut_assertok(dma_disable(&dma_rx));
- ut_assertok(dma_free(&dma_tx));
- ut_assertok(dma_free(&dma_rx));
- ut_asserteq_mem(src_buf, dst_buf, len);
- return 0;
- }
- DM_TEST(dm_test_dma, UT_TESTF_SCAN_FDT);
- static int dm_test_dma_rx(struct unit_test_state *uts)
- {
- struct udevice *dev;
- struct dma dma_tx, dma_rx;
- u8 src_buf[512];
- u8 dst_buf[512];
- void *dst_ptr;
- size_t len = 512;
- u32 meta1, meta2;
- int i;
- ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
- ut_assertok(dma_get_by_name(dev, "tx0", &dma_tx));
- ut_assertok(dma_get_by_name(dev, "rx0", &dma_rx));
- ut_assertok(dma_enable(&dma_tx));
- ut_assertok(dma_enable(&dma_rx));
- memset(dst_buf, 0, len);
- for (i = 0; i < len; i++)
- src_buf[i] = i;
- meta1 = 0xADADDEAD;
- meta2 = 0;
- dst_ptr = NULL;
- ut_assertok(dma_prepare_rcv_buf(&dma_tx, dst_buf, len));
- ut_assertok(dma_send(&dma_tx, src_buf, len, &meta1));
- ut_asserteq(len, dma_receive(&dma_rx, &dst_ptr, &meta2));
- ut_asserteq(0xADADDEAD, meta2);
- ut_asserteq_ptr(dst_buf, dst_ptr);
- ut_assertok(dma_disable(&dma_tx));
- ut_assertok(dma_disable(&dma_rx));
- ut_assertok(dma_free(&dma_tx));
- ut_assertok(dma_free(&dma_rx));
- ut_asserteq_mem(src_buf, dst_buf, len);
- return 0;
- }
- DM_TEST(dm_test_dma_rx, UT_TESTF_SCAN_FDT);
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