1 // SPDX-License-Identifier: GPL-2.0-only
3 // KUnit test for the Cirrus side-codec library.
42 	return !!(gpio_priv->pin_state & BIT(offset));  in cirrus_scodec_test_gpio_get()
48 	return -EOPNOTSUPP;  in cirrus_scodec_test_gpio_direction_out()
63 		return -EOPNOTSUPP;  in cirrus_scodec_test_gpio_set_config()
80 	.base			= -1,
89 	gpio_priv = devm_kzalloc(&pdev->dev, sizeof(*gpio_priv), GFP_KERNEL);  in cirrus_scodec_test_gpio_probe()
91 		return -ENOMEM;  in cirrus_scodec_test_gpio_probe()
94 	gpio_priv->chip = cirrus_scodec_test_gpio_chip;  in cirrus_scodec_test_gpio_probe()
95 	ret = devm_gpiochip_add_data(&pdev->dev, &gpio_priv->chip, gpio_priv);  in cirrus_scodec_test_gpio_probe()
97 		return dev_err_probe(&pdev->dev, ret, "Failed to add gpiochip\n");  in cirrus_scodec_test_gpio_probe()
99 	dev_set_drvdata(&pdev->dev, gpio_priv);  in cirrus_scodec_test_gpio_probe()
116 	struct cirrus_scodec_test_priv *priv = test->priv;  in cirrus_scodec_test_create_gpio()
119 	priv->gpio_pdev = platform_device_alloc(cirrus_scodec_test_gpio_driver.driver.name, -1);  in cirrus_scodec_test_create_gpio()
120 	if (!priv->gpio_pdev)  in cirrus_scodec_test_create_gpio()
121 		return -ENOMEM;  in cirrus_scodec_test_create_gpio()
123 	ret = device_add_software_node(&priv->gpio_pdev->dev, &cirrus_scodec_test_gpio_swnode);  in cirrus_scodec_test_create_gpio()
125 		platform_device_put(priv->gpio_pdev);  in cirrus_scodec_test_create_gpio()
130 	ret = platform_device_add(priv->gpio_pdev);  in cirrus_scodec_test_create_gpio()
132 		platform_device_put(priv->gpio_pdev);  in cirrus_scodec_test_create_gpio()
137 	priv->gpio_priv = dev_get_drvdata(&priv->gpio_pdev->dev);  in cirrus_scodec_test_create_gpio()
138 	if (!priv->gpio_priv) {  in cirrus_scodec_test_create_gpio()
139 		platform_device_put(priv->gpio_pdev);  in cirrus_scodec_test_create_gpio()
141 		return -EINVAL;  in cirrus_scodec_test_create_gpio()
162 		PROPERTY_ENTRY_REF_ARRAY_LEN("spk-id-gpios", args, num_args),  in cirrus_scodec_test_set_spkid_swnode()
170 		return -ENOMEM;  in cirrus_scodec_test_set_spkid_swnode()
174 		return -ENOMEM;  in cirrus_scodec_test_set_spkid_swnode()
177 	node->properties = props;  in cirrus_scodec_test_set_spkid_swnode()
190 	struct cirrus_scodec_test_priv *priv = test->priv;  in cirrus_scodec_test_spkid_parse()
191 	const struct cirrus_scodec_test_spkid_param *param = test->param_value;  in cirrus_scodec_test_spkid_parse()
192 	int num_spk_id_refs = param->num_amps * param->gpios_per_amp;  in cirrus_scodec_test_spkid_parse()
194 	struct device *dev = &priv->amp_pdev.dev;  in cirrus_scodec_test_spkid_parse()
205 		 * If amps are sharing GPIOs repeat the last set of  in cirrus_scodec_test_spkid_parse()
206 		 * GPIOs until we've done that number of amps.  in cirrus_scodec_test_spkid_parse()
207 		 * We have done all GPIOs for an amp when i is a multiple  in cirrus_scodec_test_spkid_parse()
209 		 * We have done all amps sharing the same GPIOs when i is  in cirrus_scodec_test_spkid_parse()
212 		if (!(i % param->gpios_per_amp) &&  in cirrus_scodec_test_spkid_parse()
213 		    (i % (param->gpios_per_amp * param->num_amps_sharing)))  in cirrus_scodec_test_spkid_parse()
214 			v -= param->gpios_per_amp;  in cirrus_scodec_test_spkid_parse()
220 	for (i = 0; i < param->num_amps; ++i) {  in cirrus_scodec_test_spkid_parse()
221 		for (v = 0; v < (1 << param->gpios_per_amp); ++v) {  in cirrus_scodec_test_spkid_parse()
223 			priv->gpio_priv->pin_state =  in cirrus_scodec_test_spkid_parse()
224 				v << (param->gpios_per_amp * (i / param->num_amps_sharing));  in cirrus_scodec_test_spkid_parse()
226 			ret = cirrus_scodec_get_speaker_id(dev, i, param->num_amps, -1);  in cirrus_scodec_test_spkid_parse()
229 					    i, priv->gpio_priv->pin_state);  in cirrus_scodec_test_spkid_parse()
236 	struct cirrus_scodec_test_priv *priv = test->priv;  in cirrus_scodec_test_no_spkid()
237 	struct device *dev = &priv->amp_pdev.dev;  in cirrus_scodec_test_no_spkid()
240 	ret = cirrus_scodec_get_speaker_id(dev, 0, 4, -1);  in cirrus_scodec_test_no_spkid()
241 	KUNIT_EXPECT_EQ(test, ret, -ENOENT);  in cirrus_scodec_test_no_spkid()
255 		return -ENOMEM;  in cirrus_scodec_test_case_init()
257 	test->priv = priv;  in cirrus_scodec_test_case_init()
265 	priv->amp_pdev.name = "cirrus_scodec_test_amp_drv";  in cirrus_scodec_test_case_init()
266 	priv->amp_pdev.id = -1;  in cirrus_scodec_test_case_init()
267 	priv->amp_pdev.dev.release = cirrus_scodec_test_dev_release;  in cirrus_scodec_test_case_init()
268 	ret = platform_device_register(&priv->amp_pdev);  in cirrus_scodec_test_case_init()
276 	struct cirrus_scodec_test_priv *priv = test->priv;  in cirrus_scodec_test_case_exit()
278 	if (priv->amp_pdev.name)  in cirrus_scodec_test_case_exit()
279 		platform_device_unregister(&priv->amp_pdev);  in cirrus_scodec_test_case_exit()
281 	if (priv->gpio_pdev) {  in cirrus_scodec_test_case_exit()
282 		device_remove_software_node(&priv->gpio_pdev->dev);  in cirrus_scodec_test_case_exit()
283 		platform_device_unregister(priv->gpio_pdev);  in cirrus_scodec_test_case_exit()
334 	/* Two sets of shared GPIOs */
345 		 param->num_amps, param->gpios_per_amp, param->num_amps_sharing);  in cirrus_scodec_test_spkid_param_desc()
358 	.name = "snd-hda-scodec-cs35l56-test",
369 MODULE_DESCRIPTION("KUnit test for the Cirrus side-codec library");