@@ -125,4 +125,12 @@ config OMAP2_DSS_MIN_FCK_PER_PCK
Max FCK is 173MHz, so this doesn't work if your PCK
is very high.
+config OMAP4_PANEL_HDMI
+ bool "HDMI panel support"
+ depends on OMAP2_DSS_HDMI
+ default n
+ help
+ HDMI panel. This adds the High Definition Multimedia panel.
+ See http://www.hdmi.org/ for HDMI specification.
+
endif
@@ -6,3 +6,4 @@ omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o
omapdss-$(CONFIG_OMAP2_DSS_SDI) += sdi.o
omapdss-$(CONFIG_OMAP2_DSS_DSI) += dsi.o
omapdss-$(CONFIG_OMAP2_DSS_HDMI) += hdmi.o
+obj-$(CONFIG_OMAP4_PANEL_HDMI) += hdmi_omap4_panel.o
new file mode 100644
@@ -0,0 +1,190 @@
+/*
+ * hdmi_omap4_panel.c
+ *
+ * HDMI library support functions for TI OMAP4 processors.
+ *
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
+ * Authors: MythriPk <mythripk@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define DSS_SUBSYS_NAME "HDMI"
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/seq_file.h>
+#include <plat/display.h>
+
+#include "dss.h"
+
+static struct {
+ struct mutex hdmi_lock;
+} hdmi;
+
+
+static int hdmi_panel_probe(struct omap_dss_device *dssdev)
+{
+ DSSDBG("ENTER hdmi_panel_probe\n");
+
+ dssdev->panel.config = OMAP_DSS_LCD_TFT |
+ OMAP_DSS_LCD_IVS | OMAP_DSS_LCD_IHS;
+
+ /*
+ * Initialize the timings to 1920 * 1080
+ * This is only for framebuffer update not for TV timing setting
+ * Setting TV timing will be done only on enable
+ */
+ dssdev->panel.timings.x_res = 1920;
+ dssdev->panel.timings.y_res = 1080;
+
+ DSSDBG("hdmi_panel_probe x_res= %d y_res = %d\n",
+ dssdev->panel.timings.x_res,
+ dssdev->panel.timings.y_res);
+ return 0;
+}
+
+static void hdmi_panel_remove(struct omap_dss_device *dssdev)
+{
+
+}
+
+static int hdmi_panel_enable(struct omap_dss_device *dssdev)
+{
+ int r = 0;
+ DSSDBG("ENTER hdmi_panel_enable\n");
+
+ if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED)
+ return -EINVAL;
+
+ mutex_lock(&hdmi.hdmi_lock);
+
+ r = omapdss_hdmi_display_enable(dssdev);
+ if (r) {
+ DSSERR("failed to power on\n");
+ return r;
+ }
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ mutex_unlock(&hdmi.hdmi_lock);
+
+ return 0;
+}
+
+static void hdmi_panel_disable(struct omap_dss_device *dssdev)
+{
+ mutex_lock(&hdmi.hdmi_lock);
+
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ omapdss_hdmi_display_disable(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+
+ mutex_unlock(&hdmi.hdmi_lock);
+}
+
+static int hdmi_panel_suspend(struct omap_dss_device *dssdev)
+{
+ if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED ||
+ dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED)
+ return -EINVAL;
+
+ mutex_lock(&hdmi.hdmi_lock);
+
+ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+
+ omapdss_hdmi_display_suspend(dssdev);
+
+ mutex_unlock(&hdmi.hdmi_lock);
+
+ return 0;
+}
+
+static int hdmi_panel_resume(struct omap_dss_device *dssdev)
+{
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+ return -EINVAL;
+
+ mutex_lock(&hdmi.hdmi_lock);
+
+ omapdss_hdmi_display_resume(dssdev);
+
+ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+ mutex_unlock(&hdmi.hdmi_lock);
+
+ return 0;
+}
+
+static void hdmi_get_timings(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings)
+{
+ *timings = dssdev->panel.timings;
+}
+
+static void hdmi_set_timings(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings)
+{
+ DSSDBG("hdmi_set_timings\n");
+
+ dssdev->panel.timings = *timings;
+
+ mutex_lock(&hdmi.hdmi_lock);
+
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
+ /* turn the hdmi off and on to get new timings to use */
+ omapdss_hdmi_display_disable(dssdev);
+ omapdss_hdmi_display_enable(dssdev);
+ }
+
+ mutex_unlock(&hdmi.hdmi_lock);
+}
+
+static struct omap_dss_driver hdmi_driver = {
+ .probe = hdmi_panel_probe,
+ .remove = hdmi_panel_remove,
+ .enable = hdmi_panel_enable,
+ .disable = hdmi_panel_disable,
+ .suspend = hdmi_panel_suspend,
+ .resume = hdmi_panel_resume,
+ .get_timings = hdmi_get_timings,
+ .set_timings = hdmi_set_timings,
+ .driver = {
+ .name = "hdmi_panel",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init hdmi_panel_init(void)
+{
+ mutex_init(&hdmi.hdmi_lock);
+
+ omap_dss_register_driver(&hdmi_driver);
+
+ return 0;
+}
+
+static void __exit hdmi_panel_exit(void)
+{
+ omap_dss_unregister_driver(&hdmi_driver);
+
+}
+
+module_init(hdmi_panel_init);
+module_exit(hdmi_panel_exit);