1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <video/of_display_timing.h>
17 #include <video/of_videomode.h>
18 #include <video/videomode.h>
36 	struct drm_encoder         encoder;  member
51 	struct drm_encoder *encoder = &dp->encoder;  in exynos_dp_crtc_clock_enable()  local
53 	if (!encoder->crtc)  in exynos_dp_crtc_clock_enable()
54 		return -EPERM;  in exynos_dp_crtc_clock_enable()
56 	exynos_drm_pipe_clk_enable(to_exynos_crtc(encoder->crtc), enable);  in exynos_dp_crtc_clock_enable()
78 	if (dp->plat_data.panel)  in exynos_dp_get_modes()
81 	mode = drm_mode_create(connector->dev);  in exynos_dp_get_modes()
83 		DRM_DEV_ERROR(dp->dev,  in exynos_dp_get_modes()
88 	drm_display_mode_from_videomode(&dp->vm, mode);  in exynos_dp_get_modes()
89 	connector->display_info.width_mm = mode->width_mm;  in exynos_dp_get_modes()
90 	connector->display_info.height_mm = mode->height_mm;  in exynos_dp_get_modes()
92 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in exynos_dp_get_modes()
106 	dp->connector = connector;  in exynos_dp_bridge_attach()
108 	/* Pre-empt DP connector creation if there's a bridge */  in exynos_dp_bridge_attach()
109 	if (dp->ptn_bridge) {  in exynos_dp_bridge_attach()
110 		ret = drm_bridge_attach(&dp->encoder, dp->ptn_bridge, bridge,  in exynos_dp_bridge_attach()
113 			DRM_DEV_ERROR(dp->dev,  in exynos_dp_bridge_attach()
122 static void exynos_dp_mode_set(struct drm_encoder *encoder,  in exynos_dp_mode_set()  argument
128 static void exynos_dp_nop(struct drm_encoder *encoder)  in exynos_dp_nop()  argument
143 	ret = of_get_videomode(dp->dev->of_node, &dp->vm, OF_USE_NATIVE_MODE);  in exynos_dp_dt_parse_panel()
145 		DRM_DEV_ERROR(dp->dev,  in exynos_dp_dt_parse_panel()
155 	struct drm_encoder *encoder = &dp->encoder;  in exynos_dp_bind()  local
159 	dp->drm_dev = drm_dev;  in exynos_dp_bind()
161 	if (!dp->plat_data.panel && !dp->ptn_bridge) {  in exynos_dp_bind()
167 	drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);  in exynos_dp_bind()
169 	drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);  in exynos_dp_bind()
171 	ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD);  in exynos_dp_bind()
175 	dp->plat_data.encoder = encoder;  in exynos_dp_bind()
177 	ret = analogix_dp_bind(dp->adp, dp->drm_dev);  in exynos_dp_bind()
179 		dp->encoder.funcs->destroy(&dp->encoder);  in exynos_dp_bind()
189 	analogix_dp_unbind(dp->adp);  in exynos_dp_unbind()
190 	dp->encoder.funcs->destroy(&dp->encoder);  in exynos_dp_unbind()
200 	struct device *dev = &pdev->dev;  in exynos_dp_probe()
207 	dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),  in exynos_dp_probe()
210 		return -ENOMEM;  in exynos_dp_probe()
212 	dp->dev = dev;  in exynos_dp_probe()
221 	np = of_parse_phandle(dev->of_node, "panel", 0);  in exynos_dp_probe()
223 		dp->plat_data.panel = of_drm_find_panel(np);  in exynos_dp_probe()
226 		if (IS_ERR(dp->plat_data.panel))  in exynos_dp_probe()
227 			return PTR_ERR(dp->plat_data.panel);  in exynos_dp_probe()
232 	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &panel, &bridge);  in exynos_dp_probe()
237 	dp->plat_data.panel = panel;  in exynos_dp_probe()
238 	dp->plat_data.dev_type = EXYNOS_DP;  in exynos_dp_probe()
239 	dp->plat_data.power_on_start = exynos_dp_poweron;  in exynos_dp_probe()
240 	dp->plat_data.power_off = exynos_dp_poweroff;  in exynos_dp_probe()
241 	dp->plat_data.attach = exynos_dp_bridge_attach;  in exynos_dp_probe()
242 	dp->plat_data.get_modes = exynos_dp_get_modes;  in exynos_dp_probe()
243 	dp->plat_data.skip_connector = !!bridge;  in exynos_dp_probe()
245 	dp->ptn_bridge = bridge;  in exynos_dp_probe()
248 	dp->adp = analogix_dp_probe(dev, &dp->plat_data);  in exynos_dp_probe()
249 	if (IS_ERR(dp->adp))  in exynos_dp_probe()
250 		return PTR_ERR(dp->adp);  in exynos_dp_probe()
252 	return component_add(&pdev->dev, &exynos_dp_ops);  in exynos_dp_probe()
259 	component_del(&pdev->dev, &exynos_dp_ops);  in exynos_dp_remove()
260 	analogix_dp_remove(dp->adp);  in exynos_dp_remove()
270 	return analogix_dp_suspend(dp->adp);  in exynos_dp_suspend()
277 	return analogix_dp_resume(dp->adp);  in exynos_dp_resume()
288 	{ .compatible = "samsung,exynos5-dp" },
297 		.name	= "exynos-dp",
305 MODULE_DESCRIPTION("Samsung Specific Analogix-DP Driver Extension");