Lines Matching +full:dvi +full:- +full:connector
1 // SPDX-License-Identifier: GPL-2.0-only
24 struct drm_connector connector; member
43 drm_connector_to_tfp410(struct drm_connector *connector) in drm_connector_to_tfp410() argument
45 return container_of(connector, struct tfp410, connector); in drm_connector_to_tfp410()
48 static int tfp410_get_modes(struct drm_connector *connector) in tfp410_get_modes() argument
50 struct tfp410 *dvi = drm_connector_to_tfp410(connector); in tfp410_get_modes() local
54 if (dvi->next_bridge->ops & DRM_BRIDGE_OP_EDID) { in tfp410_get_modes()
55 edid = drm_bridge_get_edid(dvi->next_bridge, connector); in tfp410_get_modes()
67 ret = drm_add_modes_noedid(connector, 1920, 1200); in tfp410_get_modes()
68 drm_set_preferred_mode(connector, 1024, 768); in tfp410_get_modes()
72 drm_connector_update_edid_property(connector, edid); in tfp410_get_modes()
74 ret = drm_add_edid_modes(connector, edid); in tfp410_get_modes()
86 tfp410_connector_detect(struct drm_connector *connector, bool force) in tfp410_connector_detect() argument
88 struct tfp410 *dvi = drm_connector_to_tfp410(connector); in tfp410_connector_detect() local
90 return drm_bridge_detect(dvi->next_bridge); in tfp410_connector_detect()
104 struct tfp410 *dvi; in tfp410_hpd_work_func() local
106 dvi = container_of(work, struct tfp410, hpd_work.work); in tfp410_hpd_work_func()
108 if (dvi->bridge.dev) in tfp410_hpd_work_func()
109 drm_helper_hpd_irq_event(dvi->bridge.dev); in tfp410_hpd_work_func()
114 struct tfp410 *dvi = arg; in tfp410_hpd_callback() local
116 mod_delayed_work(system_wq, &dvi->hpd_work, in tfp410_hpd_callback()
123 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); in tfp410_attach() local
126 ret = drm_bridge_attach(bridge->encoder, dvi->next_bridge, bridge, in tfp410_attach()
134 if (!bridge->encoder) { in tfp410_attach()
135 dev_err(dvi->dev, "Missing encoder\n"); in tfp410_attach()
136 return -ENODEV; in tfp410_attach()
139 if (dvi->next_bridge->ops & DRM_BRIDGE_OP_DETECT) in tfp410_attach()
140 dvi->connector.polled = DRM_CONNECTOR_POLL_HPD; in tfp410_attach()
142 dvi->connector.polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT; in tfp410_attach()
144 if (dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) { in tfp410_attach()
145 INIT_DELAYED_WORK(&dvi->hpd_work, tfp410_hpd_work_func); in tfp410_attach()
146 drm_bridge_hpd_enable(dvi->next_bridge, tfp410_hpd_callback, in tfp410_attach()
147 dvi); in tfp410_attach()
150 drm_connector_helper_add(&dvi->connector, in tfp410_attach()
152 ret = drm_connector_init_with_ddc(bridge->dev, &dvi->connector, in tfp410_attach()
154 dvi->next_bridge->type, in tfp410_attach()
155 dvi->next_bridge->ddc); in tfp410_attach()
157 dev_err(dvi->dev, "drm_connector_init_with_ddc() failed: %d\n", in tfp410_attach()
162 drm_display_info_set_bus_formats(&dvi->connector.display_info, in tfp410_attach()
163 &dvi->bus_format, 1); in tfp410_attach()
165 drm_connector_attach_encoder(&dvi->connector, bridge->encoder); in tfp410_attach()
172 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); in tfp410_detach() local
174 if (dvi->connector.dev && dvi->next_bridge->ops & DRM_BRIDGE_OP_HPD) { in tfp410_detach()
175 drm_bridge_hpd_disable(dvi->next_bridge); in tfp410_detach()
176 cancel_delayed_work_sync(&dvi->hpd_work); in tfp410_detach()
182 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); in tfp410_enable() local
184 gpiod_set_value_cansleep(dvi->powerdown, 0); in tfp410_enable()
189 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); in tfp410_disable() local
191 gpiod_set_value_cansleep(dvi->powerdown, 1); in tfp410_disable()
198 if (mode->clock < 25000) in tfp410_mode_valid()
201 if (mode->clock > 165000) in tfp410_mode_valid()
222 static int tfp410_parse_timings(struct tfp410 *dvi, bool i2c) in tfp410_parse_timings() argument
224 struct drm_bridge_timings *timings = &dvi->timings; in tfp410_parse_timings()
242 * In non-I2C mode, timings are configured through the BSEL, DSEL, DKEN in tfp410_parse_timings()
244 * and vendor-specific properties. in tfp410_parse_timings()
246 ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 0, 0); in tfp410_parse_timings()
248 return -EINVAL; in tfp410_parse_timings()
251 of_property_read_u32(ep, "pclk-sample", &pclk_sample); in tfp410_parse_timings()
252 of_property_read_u32(ep, "bus-width", &bus_width); in tfp410_parse_timings()
255 timings->input_bus_flags = DRM_BUS_FLAG_DE_HIGH; in tfp410_parse_timings()
259 timings->input_bus_flags |= DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE in tfp410_parse_timings()
263 timings->input_bus_flags |= DRM_BUS_FLAG_PIXDATA_SAMPLE_POSEDGE in tfp410_parse_timings()
267 return -EINVAL; in tfp410_parse_timings()
272 dvi->bus_format = MEDIA_BUS_FMT_RGB888_2X12_LE; in tfp410_parse_timings()
275 dvi->bus_format = MEDIA_BUS_FMT_RGB888_1X24; in tfp410_parse_timings()
278 return -EINVAL; in tfp410_parse_timings()
281 /* Get the setup and hold time from vendor-specific properties. */ in tfp410_parse_timings()
282 of_property_read_u32(dvi->dev->of_node, "ti,deskew", &deskew); in tfp410_parse_timings()
284 return -EINVAL; in tfp410_parse_timings()
286 timings->setup_time_ps = 1200 - 350 * ((s32)deskew - 4); in tfp410_parse_timings()
287 timings->hold_time_ps = max(0, 1300 + 350 * ((s32)deskew - 4)); in tfp410_parse_timings()
295 struct tfp410 *dvi; in tfp410_init() local
298 if (!dev->of_node) { in tfp410_init()
299 dev_err(dev, "device-tree data is missing\n"); in tfp410_init()
300 return -ENXIO; in tfp410_init()
303 dvi = devm_kzalloc(dev, sizeof(*dvi), GFP_KERNEL); in tfp410_init()
304 if (!dvi) in tfp410_init()
305 return -ENOMEM; in tfp410_init()
307 dvi->dev = dev; in tfp410_init()
308 dev_set_drvdata(dev, dvi); in tfp410_init()
310 dvi->bridge.funcs = &tfp410_bridge_funcs; in tfp410_init()
311 dvi->bridge.of_node = dev->of_node; in tfp410_init()
312 dvi->bridge.timings = &dvi->timings; in tfp410_init()
313 dvi->bridge.type = DRM_MODE_CONNECTOR_DVID; in tfp410_init()
315 ret = tfp410_parse_timings(dvi, i2c); in tfp410_init()
320 node = of_graph_get_remote_node(dev->of_node, 1, -1); in tfp410_init()
322 return -ENODEV; in tfp410_init()
324 dvi->next_bridge = of_drm_find_bridge(node); in tfp410_init()
327 if (!dvi->next_bridge) in tfp410_init()
328 return -EPROBE_DEFER; in tfp410_init()
331 dvi->powerdown = devm_gpiod_get_optional(dev, "powerdown", in tfp410_init()
333 if (IS_ERR(dvi->powerdown)) { in tfp410_init()
335 return PTR_ERR(dvi->powerdown); in tfp410_init()
339 drm_bridge_add(&dvi->bridge); in tfp410_init()
346 struct tfp410 *dvi = dev_get_drvdata(dev); in tfp410_fini() local
348 drm_bridge_remove(&dvi->bridge); in tfp410_fini()
355 return tfp410_init(&pdev->dev, false); in tfp410_probe()
360 return tfp410_fini(&pdev->dev); in tfp410_remove()
373 .name = "tfp410-bridge",
385 if (!client->dev.of_node || in tfp410_i2c_probe()
386 of_property_read_u32(client->dev.of_node, "reg", ®)) { in tfp410_i2c_probe()
387 dev_err(&client->dev, in tfp410_i2c_probe()
388 "Can't get i2c reg property from device-tree\n"); in tfp410_i2c_probe()
389 return -ENXIO; in tfp410_i2c_probe()
392 return tfp410_init(&client->dev, true); in tfp410_i2c_probe()
397 return tfp410_fini(&client->dev); in tfp410_i2c_remove()
462 MODULE_DESCRIPTION("TI TFP410 DVI bridge driver");