1 // SPDX-License-Identifier: GPL-2.0+
3 * Direct Memory Access U-Class tests
5 * Copyright (C) 2018 Texas Instruments Incorporated <www.ti.com>
6 * Grygorii Strashko <grygorii.strashko@ti.com>
16 static int dm_test_dma_m2m(struct unit_test_state *uts)
25 ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
26 ut_assertok(dma_get_by_name(dev, "m2m", &dma_m2m));
28 memset(dst_buf, 0, len);
29 for (i = 0; i < len; i++)
32 ut_assertok(dma_memcpy(dst_buf, src_buf, len));
34 ut_assertok(memcmp(src_buf, dst_buf, len));
37 DM_TEST(dm_test_dma_m2m, DM_TESTF_SCAN_FDT);
39 static int dm_test_dma(struct unit_test_state *uts)
42 struct dma dma_tx, dma_rx;
50 ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
52 ut_assertok(dma_get_by_name(dev, "tx0", &dma_tx));
53 ut_assertok(dma_get_by_name(dev, "rx0", &dma_rx));
55 ut_assertok(dma_enable(&dma_tx));
56 ut_assertok(dma_enable(&dma_rx));
58 memset(dst_buf, 0, len);
59 for (i = 0; i < len; i++)
65 ut_assertok(dma_send(&dma_tx, src_buf, len, &meta1));
67 ut_asserteq(len, dma_receive(&dma_rx, &dst_ptr, &meta2));
68 ut_asserteq(0xADADDEAD, meta2);
70 ut_assertok(dma_disable(&dma_tx));
71 ut_assertok(dma_disable(&dma_rx));
73 ut_assertok(dma_free(&dma_tx));
74 ut_assertok(dma_free(&dma_rx));
75 ut_assertok(memcmp(src_buf, dst_buf, len));
79 DM_TEST(dm_test_dma, DM_TESTF_SCAN_FDT);
81 static int dm_test_dma_rx(struct unit_test_state *uts)
84 struct dma dma_tx, dma_rx;
92 ut_assertok(uclass_get_device_by_name(UCLASS_DMA, "dma", &dev));
94 ut_assertok(dma_get_by_name(dev, "tx0", &dma_tx));
95 ut_assertok(dma_get_by_name(dev, "rx0", &dma_rx));
97 ut_assertok(dma_enable(&dma_tx));
98 ut_assertok(dma_enable(&dma_rx));
100 memset(dst_buf, 0, len);
101 for (i = 0; i < len; i++)
107 ut_assertok(dma_prepare_rcv_buf(&dma_tx, dst_buf, len));
109 ut_assertok(dma_send(&dma_tx, src_buf, len, &meta1));
111 ut_asserteq(len, dma_receive(&dma_rx, &dst_ptr, &meta2));
112 ut_asserteq(0xADADDEAD, meta2);
113 ut_asserteq_ptr(dst_buf, dst_ptr);
115 ut_assertok(dma_disable(&dma_tx));
116 ut_assertok(dma_disable(&dma_rx));
118 ut_assertok(dma_free(&dma_tx));
119 ut_assertok(dma_free(&dma_rx));
120 ut_assertok(memcmp(src_buf, dst_buf, len));
124 DM_TEST(dm_test_dma_rx, DM_TESTF_SCAN_FDT);