exynosdrm-$(CONFIG_DRM_EXYNOS7_DECON) += exynos7_drm_decon.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DPI) += exynos_drm_dpi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_DSI) += exynos_drm_dsi.o
-exynosdrm-$(CONFIG_DRM_EXYNOS_DP) += exynos_dp_core.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_DP) += exynos_dp.o
exynosdrm-$(CONFIG_DRM_EXYNOS_MIXER) += exynos_mixer.o
exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI) += exynos_hdmi.o
exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI) += exynos_drm_vidi.o
--- /dev/null
+/*
+ * Samsung SoC DP (Display Port) interface driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/of_graph.h>
+#include <linux/component.h>
+#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_panel.h>
+
+#include <drm/bridge/analogix_dp.h>
+#include <drm/exynos_drm.h>
+
+#include "exynos_drm_crtc.h"
+
+#define to_dp(nm) container_of(nm, struct exynos_dp_device, nm)
+
+struct exynos_dp_device {
+ struct drm_encoder encoder;
+ struct drm_connector connector;
+ struct drm_bridge *ptn_bridge;
+ struct drm_device *drm_dev;
+ struct device *dev;
+
+ struct videomode vm;
+ struct analogix_dp_plat_data plat_data;
+};
+
+int exynos_dp_crtc_clock_enable(struct analogix_dp_plat_data *plat_data,
+ bool enable)
+{
+ struct exynos_dp_device *dp = to_dp(plat_data);
+ struct drm_encoder *encoder = &dp->encoder;
+ struct exynos_drm_crtc *crtc;
+
+ if (!encoder)
+ return -1;
+
+ crtc = to_exynos_crtc(encoder->crtc);
+ if (crtc && crtc->ops && crtc->ops->clock_enable)
+ crtc->ops->clock_enable(crtc, enable);
+
+ return 0;
+}
+
+static int exynos_dp_poweron(struct analogix_dp_plat_data *plat_data)
+{
+ return exynos_dp_crtc_clock_enable(plat_data, true);
+}
+
+static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data)
+{
+ return exynos_dp_crtc_clock_enable(plat_data, false);
+}
+
+static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
+{
+ struct exynos_dp_device *dp = to_dp(plat_data);
+ struct drm_connector *connector = &dp->connector;
+ struct drm_display_mode *mode;
+ int num_modes = 0;
+
+ if (dp->plat_data.panel)
+ return num_modes;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode.\n");
+ return num_modes;
+ }
+
+ drm_display_mode_from_videomode(&dp->vm, mode);
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ return num_modes + 1;
+}
+
+static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
+ struct drm_bridge *bridge,
+ struct drm_connector *connector)
+{
+ struct exynos_dp_device *dp = to_dp(plat_data);
+ struct drm_encoder *encoder = &dp->encoder;
+ int ret;
+
+ drm_connector_register(connector);
+
+ /* Pre-empt DP connector creation if there's a bridge */
+ if (dp->ptn_bridge) {
+ bridge->next = dp->ptn_bridge;
+ dp->ptn_bridge->encoder = encoder;
+ ret = drm_bridge_attach(encoder->dev, dp->ptn_bridge);
+ if (ret) {
+ DRM_ERROR("Failed to attach bridge to drm\n");
+ bridge->next = NULL;
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static void exynos_dp_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+}
+
+static void exynos_dp_nop(struct drm_encoder *encoder)
+{
+ /* do nothing */
+}
+
+static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
+ .mode_set = exynos_dp_mode_set,
+ .enable = exynos_dp_nop,
+ .disable = exynos_dp_nop,
+};
+
+static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
+{
+ int ret;
+
+ ret = of_get_videomode(dp->dev->of_node, &dp->vm, OF_USE_NATIVE_MODE);
+ if (ret) {
+ DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
+{
+ struct exynos_dp_device *dp = dev_get_drvdata(dev);
+ struct drm_encoder *encoder = &dp->encoder;
+ struct drm_device *drm_dev = data;
+ int pipe, ret;
+
+ /*
+ * Just like the probe function said, we don't need the
+ * device drvrate anymore, we should leave the charge to
+ * analogix dp driver, set the device drvdata to NULL.
+ */
+ dev_set_drvdata(dev, NULL);
+
+ dp->dev = dev;
+ dp->drm_dev = drm_dev;
+
+ dp->plat_data.dev_type = EXYNOS_DP;
+ dp->plat_data.power_on = exynos_dp_poweron;
+ dp->plat_data.power_off = exynos_dp_poweroff;
+ dp->plat_data.attach = exynos_dp_bridge_attach;
+ dp->plat_data.get_modes = exynos_dp_get_modes;
+
+ if (!dp->plat_data.panel && !dp->ptn_bridge) {
+ ret = exynos_dp_dt_parse_panel(dp);
+ if (ret)
+ return ret;
+ }
+
+ pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
+ EXYNOS_DISPLAY_TYPE_LCD);
+ if (pipe < 0)
+ return pipe;
+
+ encoder->possible_crtcs = 1 << pipe;
+
+ DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+ drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+
+ drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
+
+ dp->plat_data.encoder = encoder;
+
+ return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+}
+
+static void exynos_dp_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+ return analogix_dp_unbind(dev, master, data);
+}
+
+static const struct component_ops exynos_dp_ops = {
+ .bind = exynos_dp_bind,
+ .unbind = exynos_dp_unbind,
+};
+
+static int exynos_dp_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = NULL, *endpoint = NULL;
+ struct exynos_dp_device *dp;
+
+ dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
+ GFP_KERNEL);
+ if (!dp)
+ return -ENOMEM;
+
+ /*
+ * We just use the drvdata until driver run into component
+ * add function, and then we would set drvdata to null, so
+ * that analogix dp driver would take charge of the drvdata.
+ */
+ platform_set_drvdata(pdev, dp);
+
+ /* This is for the backward compatibility. */
+ np = of_parse_phandle(dev->of_node, "panel", 0);
+ if (np) {
+ dp->plat_data.panel = of_drm_find_panel(np);
+ of_node_put(np);
+ if (!dp->plat_data.panel)
+ return -EPROBE_DEFER;
+ goto out;
+ }
+
+ endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
+ if (endpoint) {
+ np = of_graph_get_remote_port_parent(endpoint);
+ if (np) {
+ /* The remote port can be either a panel or a bridge */
+ dp->plat_data.panel = of_drm_find_panel(np);
+ if (!dp->plat_data.panel) {
+ dp->ptn_bridge = of_drm_find_bridge(np);
+ if (!dp->ptn_bridge) {
+ of_node_put(np);
+ return -EPROBE_DEFER;
+ }
+ }
+ of_node_put(np);
+ } else {
+ DRM_ERROR("no remote endpoint device node found.\n");
+ return -EINVAL;
+ }
+ } else {
+ DRM_ERROR("no port endpoint subnode found.\n");
+ return -EINVAL;
+ }
+
+out:
+ return component_add(&pdev->dev, &exynos_dp_ops);
+}
+
+static int exynos_dp_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &exynos_dp_ops);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int exynos_dp_suspend(struct device *dev)
+{
+ return analogix_dp_suspend(dev);
+}
+
+static int exynos_dp_resume(struct device *dev)
+{
+ return analogix_dp_resume(dev);
+}
+#endif
+
+static const struct dev_pm_ops exynos_dp_pm_ops = {
+ SET_RUNTIME_PM_OPS(exynos_dp_suspend, exynos_dp_resume, NULL)
+};
+
+static const struct of_device_id exynos_dp_match[] = {
+ { .compatible = "samsung,exynos5-dp" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, exynos_dp_match);
+
+struct platform_driver dp_driver = {
+ .probe = exynos_dp_probe,
+ .remove = exynos_dp_remove,
+ .driver = {
+ .name = "exynos-dp",
+ .owner = THIS_MODULE,
+ .pm = &exynos_dp_pm_ops,
+ .of_match_table = exynos_dp_match,
+ },
+};
+
+MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
+MODULE_DESCRIPTION("Samsung Specific Analogix-DP Driver Extension");
+MODULE_LICENSE("GPL v2");
+++ /dev/null
-/*
- * Samsung SoC DP (Display Port) interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/of_graph.h>
-#include <linux/component.h>
-#include <video/of_display_timing.h>
-#include <video/of_videomode.h>
-#include <video/videomode.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_panel.h>
-
-#include <drm/bridge/analogix_dp.h>
-#include <drm/exynos_drm.h>
-
-#include "exynos_drm_crtc.h"
-
-#define to_dp(nm) container_of(nm, struct exynos_dp_device, nm)
-
-struct exynos_dp_device {
- struct drm_encoder encoder;
- struct drm_connector connector;
- struct drm_bridge *ptn_bridge;
- struct drm_device *drm_dev;
- struct device *dev;
-
- struct videomode vm;
- struct analogix_dp_plat_data plat_data;
-};
-
-int exynos_dp_crtc_clock_enable(struct analogix_dp_plat_data *plat_data,
- bool enable)
-{
- struct exynos_dp_device *dp = to_dp(plat_data);
- struct drm_encoder *encoder = &dp->encoder;
- struct exynos_drm_crtc *crtc;
-
- if (!encoder)
- return -1;
-
- crtc = to_exynos_crtc(encoder->crtc);
- if (crtc && crtc->ops && crtc->ops->clock_enable)
- crtc->ops->clock_enable(crtc, enable);
-
- return 0;
-}
-
-static int exynos_dp_poweron(struct analogix_dp_plat_data *plat_data)
-{
- return exynos_dp_crtc_clock_enable(plat_data, true);
-}
-
-static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data)
-{
- return exynos_dp_crtc_clock_enable(plat_data, false);
-}
-
-static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
-{
- struct exynos_dp_device *dp = to_dp(plat_data);
- struct drm_connector *connector = &dp->connector;
- struct drm_display_mode *mode;
- int num_modes = 0;
-
- if (dp->plat_data.panel)
- return num_modes;
-
- mode = drm_mode_create(connector->dev);
- if (!mode) {
- DRM_ERROR("failed to create a new display mode.\n");
- return num_modes;
- }
-
- drm_display_mode_from_videomode(&dp->vm, mode);
- connector->display_info.width_mm = mode->width_mm;
- connector->display_info.height_mm = mode->height_mm;
-
- mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- drm_mode_set_name(mode);
- drm_mode_probed_add(connector, mode);
-
- return num_modes + 1;
-}
-
-static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
- struct drm_bridge *bridge,
- struct drm_connector *connector)
-{
- struct exynos_dp_device *dp = to_dp(plat_data);
- struct drm_encoder *encoder = &dp->encoder;
- int ret;
-
- drm_connector_register(connector);
-
- /* Pre-empt DP connector creation if there's a bridge */
- if (dp->ptn_bridge) {
- bridge->next = dp->ptn_bridge;
- dp->ptn_bridge->encoder = encoder;
- ret = drm_bridge_attach(encoder->dev, dp->ptn_bridge);
- if (ret) {
- DRM_ERROR("Failed to attach bridge to drm\n");
- bridge->next = NULL;
- return ret;
- }
- }
-
- return 0;
-}
-
-static void exynos_dp_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
-}
-
-static void exynos_dp_nop(struct drm_encoder *encoder)
-{
- /* do nothing */
-}
-
-static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
- .mode_set = exynos_dp_mode_set,
- .enable = exynos_dp_nop,
- .disable = exynos_dp_nop,
-};
-
-static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
-static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
-{
- int ret;
-
- ret = of_get_videomode(dp->dev->of_node, &dp->vm, OF_USE_NATIVE_MODE);
- if (ret) {
- DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
- return ret;
- }
- return 0;
-}
-
-static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
-{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
- struct drm_encoder *encoder = &dp->encoder;
- struct drm_device *drm_dev = data;
- int pipe, ret;
-
- /*
- * Just like the probe function said, we don't need the
- * device drvrate anymore, we should leave the charge to
- * analogix dp driver, set the device drvdata to NULL.
- */
- dev_set_drvdata(dev, NULL);
-
- dp->dev = dev;
- dp->drm_dev = drm_dev;
-
- dp->plat_data.dev_type = EXYNOS_DP;
- dp->plat_data.power_on = exynos_dp_poweron;
- dp->plat_data.power_off = exynos_dp_poweroff;
- dp->plat_data.attach = exynos_dp_bridge_attach;
- dp->plat_data.get_modes = exynos_dp_get_modes;
-
- if (!dp->plat_data.panel && !dp->ptn_bridge) {
- ret = exynos_dp_dt_parse_panel(dp);
- if (ret)
- return ret;
- }
-
- pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
- EXYNOS_DISPLAY_TYPE_LCD);
- if (pipe < 0)
- return pipe;
-
- encoder->possible_crtcs = 1 << pipe;
-
- DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
-
- drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
-
- drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
-
- dp->plat_data.encoder = encoder;
-
- return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
-}
-
-static void exynos_dp_unbind(struct device *dev, struct device *master,
- void *data)
-{
- return analogix_dp_unbind(dev, master, data);
-}
-
-static const struct component_ops exynos_dp_ops = {
- .bind = exynos_dp_bind,
- .unbind = exynos_dp_unbind,
-};
-
-static int exynos_dp_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct device_node *np = NULL, *endpoint = NULL;
- struct exynos_dp_device *dp;
-
- dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
- GFP_KERNEL);
- if (!dp)
- return -ENOMEM;
-
- /*
- * We just use the drvdata until driver run into component
- * add function, and then we would set drvdata to null, so
- * that analogix dp driver would take charge of the drvdata.
- */
- platform_set_drvdata(pdev, dp);
-
- /* This is for the backward compatibility. */
- np = of_parse_phandle(dev->of_node, "panel", 0);
- if (np) {
- dp->plat_data.panel = of_drm_find_panel(np);
- of_node_put(np);
- if (!dp->plat_data.panel)
- return -EPROBE_DEFER;
- goto out;
- }
-
- endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
- if (endpoint) {
- np = of_graph_get_remote_port_parent(endpoint);
- if (np) {
- /* The remote port can be either a panel or a bridge */
- dp->plat_data.panel = of_drm_find_panel(np);
- if (!dp->plat_data.panel) {
- dp->ptn_bridge = of_drm_find_bridge(np);
- if (!dp->ptn_bridge) {
- of_node_put(np);
- return -EPROBE_DEFER;
- }
- }
- of_node_put(np);
- } else {
- DRM_ERROR("no remote endpoint device node found.\n");
- return -EINVAL;
- }
- } else {
- DRM_ERROR("no port endpoint subnode found.\n");
- return -EINVAL;
- }
-
-out:
- return component_add(&pdev->dev, &exynos_dp_ops);
-}
-
-static int exynos_dp_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &exynos_dp_ops);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int exynos_dp_suspend(struct device *dev)
-{
- return analogix_dp_suspend(dev);
-}
-
-static int exynos_dp_resume(struct device *dev)
-{
- return analogix_dp_resume(dev);
-}
-#endif
-
-static const struct dev_pm_ops exynos_dp_pm_ops = {
- SET_RUNTIME_PM_OPS(exynos_dp_suspend, exynos_dp_resume, NULL)
-};
-
-static const struct of_device_id exynos_dp_match[] = {
- { .compatible = "samsung,exynos5-dp" },
- {},
-};
-MODULE_DEVICE_TABLE(of, exynos_dp_match);
-
-struct platform_driver dp_driver = {
- .probe = exynos_dp_probe,
- .remove = exynos_dp_remove,
- .driver = {
- .name = "exynos-dp",
- .owner = THIS_MODULE,
- .pm = &exynos_dp_pm_ops,
- .of_match_table = exynos_dp_match,
- },
-};
-
-MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
-MODULE_DESCRIPTION("Samsung Specific Analogix-DP Driver Extension");
-MODULE_LICENSE("GPL v2");
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff