1 // SPDX-License-Identifier: GPL-2.0-only
3  * Samsung MIPI DSIM glue for Exynos SoCs.
14 #include <drm/bridge/samsung-dsim.h>
27 	struct exynos_dsi *dsi = dsim->priv;  in exynos_dsi_te_irq_handler()  local
28 	struct drm_encoder *encoder = &dsi->encoder;  in exynos_dsi_te_irq_handler()
30 	if (dsim->state & DSIM_STATE_VIDOUT_AVAILABLE)  in exynos_dsi_te_irq_handler()
31 		exynos_drm_crtc_te_handler(encoder->crtc);  in exynos_dsi_te_irq_handler()
39 	struct exynos_dsi *dsi = dsim->priv;  in exynos_dsi_host_attach()  local
40 	struct drm_encoder *encoder = &dsi->encoder;  in exynos_dsi_host_attach()
41 	struct drm_device *drm = encoder->dev;  in exynos_dsi_host_attach()
43 	drm_bridge_attach(encoder, &dsim->bridge,  in exynos_dsi_host_attach()
44 			  list_first_entry_or_null(&encoder->bridge_chain,  in exynos_dsi_host_attach()
48 	mutex_lock(&drm->mode_config.mutex);  in exynos_dsi_host_attach()
50 	dsim->lanes = device->lanes;  in exynos_dsi_host_attach()
51 	dsim->format = device->format;  in exynos_dsi_host_attach()
52 	dsim->mode_flags = device->mode_flags;  in exynos_dsi_host_attach()
53 	exynos_drm_crtc_get_by_type(drm, EXYNOS_DISPLAY_TYPE_LCD)->i80_mode =  in exynos_dsi_host_attach()
54 			!(dsim->mode_flags & MIPI_DSI_MODE_VIDEO);  in exynos_dsi_host_attach()
56 	mutex_unlock(&drm->mode_config.mutex);  in exynos_dsi_host_attach()
58 	if (drm->mode_config.poll_enabled)  in exynos_dsi_host_attach()
67 	struct exynos_dsi *dsi = dsim->priv;  in exynos_dsi_host_detach()  local
68 	struct drm_device *drm = dsi->encoder.dev;  in exynos_dsi_host_detach()
70 	if (drm->mode_config.poll_enabled)  in exynos_dsi_host_detach()
77 	struct exynos_dsi *dsi = dsim->priv;  in exynos_dsi_bind()  local
78 	struct drm_encoder *encoder = &dsi->encoder;  in exynos_dsi_bind()
88 	return mipi_dsi_host_register(&dsim->dsi_host);  in exynos_dsi_bind()
95 	dsim->bridge.funcs->atomic_disable(&dsim->bridge, NULL);  in exynos_dsi_unbind()
97 	mipi_dsi_host_unregister(&dsim->dsi_host);  in exynos_dsi_unbind()
107 	struct exynos_dsi *dsi;  in exynos_dsi_register_host()  local
109 	dsi = devm_kzalloc(dsim->dev, sizeof(*dsi), GFP_KERNEL);  in exynos_dsi_register_host()
110 	if (!dsi)  in exynos_dsi_register_host()
111 		return -ENOMEM;  in exynos_dsi_register_host()
113 	dsim->priv = dsi;  in exynos_dsi_register_host()
114 	dsim->bridge.pre_enable_prev_first = true;  in exynos_dsi_register_host()
116 	return component_add(dsim->dev, &exynos_dsi_component_ops);  in exynos_dsi_register_host()
121 	component_del(dsim->dev, &exynos_dsi_component_ops);  in exynos_dsi_unregister_host()
159 		.compatible = "samsung,exynos3250-mipi-dsi",
163 		.compatible = "samsung,exynos4210-mipi-dsi",
167 		.compatible = "samsung,exynos5410-mipi-dsi",
171 		.compatible = "samsung,exynos5422-mipi-dsi",
175 		.compatible = "samsung,exynos5433-mipi-dsi",
186 		   .name = "exynos-dsi",
194 MODULE_DESCRIPTION("Samsung SoC MIPI DSI Master");