1 // SPDX-License-Identifier: GPL-2.0-only
3  * OPA362 analog video amplifier with output/power control
8  * based on encoder-tfp410
37 	struct omap_dss_device *in = ddata->in;  in opa362_connect()
40 	dev_dbg(dssdev->dev, "connect\n");  in opa362_connect()
43 		return -EBUSY;  in opa362_connect()
45 	r = in->ops.atv->connect(in, dssdev);  in opa362_connect()
49 	dst->src = dssdev;  in opa362_connect()
50 	dssdev->dst = dst;  in opa362_connect()
59 	struct omap_dss_device *in = ddata->in;  in opa362_disconnect()
61 	dev_dbg(dssdev->dev, "disconnect\n");  in opa362_disconnect()
67 	WARN_ON(dst != dssdev->dst);  in opa362_disconnect()
68 	if (dst != dssdev->dst)  in opa362_disconnect()
71 	dst->src = NULL;  in opa362_disconnect()
72 	dssdev->dst = NULL;  in opa362_disconnect()
74 	in->ops.atv->disconnect(in, &ddata->dssdev);  in opa362_disconnect()
80 	struct omap_dss_device *in = ddata->in;  in opa362_enable()
83 	dev_dbg(dssdev->dev, "enable\n");  in opa362_enable()
86 		return -ENODEV;  in opa362_enable()
91 	in->ops.atv->set_timings(in, &ddata->timings);  in opa362_enable()
93 	r = in->ops.atv->enable(in);  in opa362_enable()
97 	if (ddata->enable_gpio)  in opa362_enable()
98 		gpiod_set_value_cansleep(ddata->enable_gpio, 1);  in opa362_enable()
100 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in opa362_enable()
108 	struct omap_dss_device *in = ddata->in;  in opa362_disable()
110 	dev_dbg(dssdev->dev, "disable\n");  in opa362_disable()
115 	if (ddata->enable_gpio)  in opa362_disable()
116 		gpiod_set_value_cansleep(ddata->enable_gpio, 0);  in opa362_disable()
118 	in->ops.atv->disable(in);  in opa362_disable()
120 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in opa362_disable()
127 	struct omap_dss_device *in = ddata->in;  in opa362_set_timings()
129 	dev_dbg(dssdev->dev, "set_timings\n");  in opa362_set_timings()
131 	ddata->timings = *timings;  in opa362_set_timings()
132 	dssdev->panel.timings = *timings;  in opa362_set_timings()
134 	in->ops.atv->set_timings(in, timings);  in opa362_set_timings()
142 	dev_dbg(dssdev->dev, "get_timings\n");  in opa362_get_timings()
144 	*timings = ddata->timings;  in opa362_get_timings()
151 	struct omap_dss_device *in = ddata->in;  in opa362_check_timings()
153 	dev_dbg(dssdev->dev, "check_timings\n");  in opa362_check_timings()
155 	return in->ops.atv->check_timings(in, timings);  in opa362_check_timings()
182 	struct device_node *node = pdev->dev.of_node;  in opa362_probe()
188 	dev_dbg(&pdev->dev, "probe\n");  in opa362_probe()
191 		dev_err(&pdev->dev, "Unable to find device tree\n");  in opa362_probe()
192 		return -EINVAL;  in opa362_probe()
195 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);  in opa362_probe()
197 		return -ENOMEM;  in opa362_probe()
201 	gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);  in opa362_probe()
205 	ddata->enable_gpio = gpio;  in opa362_probe()
209 		dev_err(&pdev->dev, "failed to find video source\n");  in opa362_probe()
213 	ddata->in = in;  in opa362_probe()
215 	dssdev = &ddata->dssdev;  in opa362_probe()
216 	dssdev->ops.atv = &opa362_atv_ops;  in opa362_probe()
217 	dssdev->dev = &pdev->dev;  in opa362_probe()
218 	dssdev->type = OMAP_DISPLAY_TYPE_VENC;  in opa362_probe()
219 	dssdev->output_type = OMAP_DISPLAY_TYPE_VENC;  in opa362_probe()
220 	dssdev->owner = THIS_MODULE;  in opa362_probe()
224 		dev_err(&pdev->dev, "Failed to register output\n");  in opa362_probe()
230 	omap_dss_put_device(ddata->in);  in opa362_probe()
237 	struct omap_dss_device *dssdev = &ddata->dssdev;  in opa362_remove()
238 	struct omap_dss_device *in = ddata->in;  in opa362_remove()
240 	omapdss_unregister_output(&ddata->dssdev);  in opa362_remove()
248 		opa362_disconnect(dssdev, dssdev->dst);  in opa362_remove()
265 		.name	= "amplifier-opa362",
274 MODULE_DESCRIPTION("OPA362 analog video amplifier with output/power control");