1 // SPDX-License-Identifier: GPL-2.0+
3  * Tests for the driver model ADC API
10 #include <adc.h>
19 #include <sandbox-adc.h>
24 	struct udevice *dev;  in dm_test_adc_bind()  local
27 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_bind()
28 	ut_asserteq_str(SANDBOX_ADC_DEVNAME, dev->name);  in dm_test_adc_bind()
30 	ut_assertok(adc_channel_mask(dev, &channel_mask));  in dm_test_adc_bind()
31 	ut_asserteq((1 << SANDBOX_ADC_CHANNELS) - 1, channel_mask);  in dm_test_adc_bind()
39 	struct udevice *dev;  in dm_test_adc_wrong_channel_selection()  local
41 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_wrong_channel_selection()
42 	ut_asserteq(-EINVAL, adc_start_channel(dev, SANDBOX_ADC_CHANNELS));  in dm_test_adc_wrong_channel_selection()
51 	struct udevice *dev;  in dm_test_adc_supply()  local
54 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_supply()
56 	/* Test Vss value - predefined 0 uV */  in dm_test_adc_supply()
57 	ut_assertok(adc_vss_value(dev, &uV));  in dm_test_adc_supply()
60 	/* Test Vdd initial value - buck2 */  in dm_test_adc_supply()
61 	ut_assertok(adc_vdd_value(dev, &uV));  in dm_test_adc_supply()
64 	/* Change Vdd value - buck2 manual preset */  in dm_test_adc_supply()
69 	/* Update ADC platdata and get new Vdd value */  in dm_test_adc_supply()
70 	ut_assertok(adc_vdd_value(dev, &uV));  in dm_test_adc_supply()
73 	/* Disable buck2 and test ADC supply enable function */  in dm_test_adc_supply()
77 	ut_assertok(adc_start_channel(dev, 0));  in dm_test_adc_supply()
95 	struct udevice *dev;  in dm_test_adc_single_channel_conversion()  local
97 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_single_channel_conversion()
98 	/* Test each ADC channel's value */  in dm_test_adc_single_channel_conversion()
100 		ut_assertok(adc_start_channel(dev, tdata->id));  in dm_test_adc_single_channel_conversion()
101 		ut_assertok(adc_channel_data(dev, tdata->id, &data));  in dm_test_adc_single_channel_conversion()
102 		ut_asserteq(tdata->data, data);  in dm_test_adc_single_channel_conversion()
112 	struct udevice *dev;  in dm_test_adc_multi_channel_conversion()  local
120 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_multi_channel_conversion()
121 	ut_assertok(adc_start_channels(dev, channel_mask));  in dm_test_adc_multi_channel_conversion()
122 	ut_assertok(adc_channels_data(dev, channel_mask, channels));  in dm_test_adc_multi_channel_conversion()
126 		ut_asserteq(tdata->data, channels[i].data);  in dm_test_adc_multi_channel_conversion()
139 		ut_assertok(adc_channel_single_shot("adc", tdata->id, &data));  in dm_test_adc_single_channel_shot()
141 		ut_asserteq(tdata->data, data);  in dm_test_adc_single_channel_shot()
158 	ut_assertok(adc_channels_single_shot("adc", channel_mask, channels));  in dm_test_adc_multi_channel_shot()
162 		ut_asserteq(tdata->data, channels[i].data);  in dm_test_adc_multi_channel_shot()
183 	struct udevice *dev;  in dm_test_adc_raw_to_uV()  local
186 	ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc", &dev));  in dm_test_adc_raw_to_uV()
187 	/* Test each ADC channel's value in microvolts */  in dm_test_adc_raw_to_uV()
189 		ut_assertok(adc_start_channel(dev, tdata->id));  in dm_test_adc_raw_to_uV()
190 		ut_assertok(adc_channel_data(dev, tdata->id, &data));  in dm_test_adc_raw_to_uV()
191 		ut_assertok(adc_raw_to_uV(dev, data, &uV));  in dm_test_adc_raw_to_uV()