ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/msm/edp/edp.c b/marvell/linux/drivers/gpu/drm/msm/edp/edp.c
new file mode 100644
index 0000000..0f312ac
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/msm/edp/edp.c
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/of_irq.h>
+#include "edp.h"
+
+static irqreturn_t edp_irq(int irq, void *dev_id)
+{
+ struct msm_edp *edp = dev_id;
+
+ /* Process eDP irq */
+ return msm_edp_ctrl_irq(edp->ctrl);
+}
+
+static void edp_destroy(struct platform_device *pdev)
+{
+ struct msm_edp *edp = platform_get_drvdata(pdev);
+
+ if (!edp)
+ return;
+
+ if (edp->ctrl) {
+ msm_edp_ctrl_destroy(edp->ctrl);
+ edp->ctrl = NULL;
+ }
+
+ platform_set_drvdata(pdev, NULL);
+}
+
+/* construct eDP at bind/probe time, grab all the resources. */
+static struct msm_edp *edp_init(struct platform_device *pdev)
+{
+ struct msm_edp *edp = NULL;
+ int ret;
+
+ if (!pdev) {
+ pr_err("no eDP device\n");
+ ret = -ENXIO;
+ goto fail;
+ }
+
+ edp = devm_kzalloc(&pdev->dev, sizeof(*edp), GFP_KERNEL);
+ if (!edp) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ DBG("eDP probed=%p", edp);
+
+ edp->pdev = pdev;
+ platform_set_drvdata(pdev, edp);
+
+ ret = msm_edp_ctrl_init(edp);
+ if (ret)
+ goto fail;
+
+ return edp;
+
+fail:
+ if (edp)
+ edp_destroy(pdev);
+
+ return ERR_PTR(ret);
+}
+
+static int edp_bind(struct device *dev, struct device *master, void *data)
+{
+ struct drm_device *drm = dev_get_drvdata(master);
+ struct msm_drm_private *priv = drm->dev_private;
+ struct msm_edp *edp;
+
+ DBG("");
+ edp = edp_init(to_platform_device(dev));
+ if (IS_ERR(edp))
+ return PTR_ERR(edp);
+ priv->edp = edp;
+
+ return 0;
+}
+
+static void edp_unbind(struct device *dev, struct device *master, void *data)
+{
+ struct drm_device *drm = dev_get_drvdata(master);
+ struct msm_drm_private *priv = drm->dev_private;
+
+ DBG("");
+ if (priv->edp) {
+ edp_destroy(to_platform_device(dev));
+ priv->edp = NULL;
+ }
+}
+
+static const struct component_ops edp_ops = {
+ .bind = edp_bind,
+ .unbind = edp_unbind,
+};
+
+static int edp_dev_probe(struct platform_device *pdev)
+{
+ DBG("");
+ return component_add(&pdev->dev, &edp_ops);
+}
+
+static int edp_dev_remove(struct platform_device *pdev)
+{
+ DBG("");
+ component_del(&pdev->dev, &edp_ops);
+ return 0;
+}
+
+static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,mdss-edp" },
+ {}
+};
+
+static struct platform_driver edp_driver = {
+ .probe = edp_dev_probe,
+ .remove = edp_dev_remove,
+ .driver = {
+ .name = "msm_edp",
+ .of_match_table = dt_match,
+ },
+};
+
+void __init msm_edp_register(void)
+{
+ DBG("");
+ platform_driver_register(&edp_driver);
+}
+
+void __exit msm_edp_unregister(void)
+{
+ DBG("");
+ platform_driver_unregister(&edp_driver);
+}
+
+/* Second part of initialization, the drm/kms level modeset_init */
+int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev,
+ struct drm_encoder *encoder)
+{
+ struct platform_device *pdev = edp->pdev;
+ struct msm_drm_private *priv = dev->dev_private;
+ int ret;
+
+ edp->encoder = encoder;
+ edp->dev = dev;
+
+ edp->bridge = msm_edp_bridge_init(edp);
+ if (IS_ERR(edp->bridge)) {
+ ret = PTR_ERR(edp->bridge);
+ DRM_DEV_ERROR(dev->dev, "failed to create eDP bridge: %d\n", ret);
+ edp->bridge = NULL;
+ goto fail;
+ }
+
+ edp->connector = msm_edp_connector_init(edp);
+ if (IS_ERR(edp->connector)) {
+ ret = PTR_ERR(edp->connector);
+ DRM_DEV_ERROR(dev->dev, "failed to create eDP connector: %d\n", ret);
+ edp->connector = NULL;
+ goto fail;
+ }
+
+ edp->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+ if (edp->irq < 0) {
+ ret = edp->irq;
+ DRM_DEV_ERROR(dev->dev, "failed to get IRQ: %d\n", ret);
+ goto fail;
+ }
+
+ ret = devm_request_irq(&pdev->dev, edp->irq,
+ edp_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "edp_isr", edp);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev->dev, "failed to request IRQ%u: %d\n",
+ edp->irq, ret);
+ goto fail;
+ }
+
+ encoder->bridge = edp->bridge;
+
+ priv->bridges[priv->num_bridges++] = edp->bridge;
+ priv->connectors[priv->num_connectors++] = edp->connector;
+
+ return 0;
+
+fail:
+ /* bridge/connector are normally destroyed by drm */
+ if (edp->bridge) {
+ edp_bridge_destroy(edp->bridge);
+ edp->bridge = NULL;
+ }
+ if (edp->connector) {
+ edp->connector->funcs->destroy(edp->connector);
+ edp->connector = NULL;
+ }
+
+ return ret;
+}