meta-ti/extras/recipes-kernel/linux/linux-omap/base/0021-OMAP-DSS2-Add-support-for-Samsung-LTE430WQ-F0C-panel.patch

From f8049ce6302904c1d08d8813f8a60b10b8a476e7 Mon Sep 17 00:00:00 2001
From: Steve Sakoman <steve@sakoman.com>
Date: Tue, 23 Feb 2010 14:40:27 -0800
Subject: [PATCH 21/28] OMAP: DSS2: Add support for Samsung LTE430WQ-F0C panel

---
 .../omap2/displays/panel-samsung-lte430wq-f0c.c    |  154 ++++++++++++++++++++
 1 files changed, 154 insertions(+), 0 deletions(-)
 create mode 100644 drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c

diff --git a/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c
new file mode 100644
index 0000000..6a29f9c
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c
@@ -0,0 +1,154 @@
+/*
+ * LCD panel driver for Samsung LTE430WQ-F0C
+ *
+ * Author: Steve Sakoman <steve@sakoman.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/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings samsung_lte_timings = {
+	.x_res = 480,
+	.y_res = 272,
+
+	.pixel_clock	= 9200,
+
+	.hsw		= 41,
+	.hfp		= 8,
+	.hbp		= 45-41,
+
+	.vsw		= 10,
+	.vfp		= 4,
+	.vbp		= 12-10,
+};
+
+static int samsung_lte_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+		return 0;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		goto err0;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			goto err1;
+	}
+
+	return 0;
+err1:
+	omapdss_dpi_display_disable(dssdev);
+err0:
+	return r;
+}
+
+static void samsung_lte_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
+		return;
+
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+}
+
+static int samsung_lte_panel_probe(struct omap_dss_device *dssdev)
+{
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS;
+	dssdev->panel.timings = samsung_lte_timings;
+
+	return 0;
+}
+
+static void samsung_lte_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int samsung_lte_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = samsung_lte_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void samsung_lte_panel_disable(struct omap_dss_device *dssdev)
+{
+	samsung_lte_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int samsung_lte_panel_suspend(struct omap_dss_device *dssdev)
+{
+	samsung_lte_panel_disable(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int samsung_lte_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = samsung_lte_panel_enable(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static struct omap_dss_driver samsung_lte_driver = {
+	.probe		= samsung_lte_panel_probe,
+	.remove		= samsung_lte_panel_remove,
+
+	.enable		= samsung_lte_panel_enable,
+	.disable	= samsung_lte_panel_disable,
+	.suspend	= samsung_lte_panel_suspend,
+	.resume		= samsung_lte_panel_resume,
+
+	.driver         = {
+		.name   = "samsung_lte_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init samsung_lte_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&samsung_lte_driver);
+}
+
+static void __exit samsung_lte_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&samsung_lte_driver);
+}
+
+module_init(samsung_lte_panel_drv_init);
+module_exit(samsung_lte_panel_drv_exit);
+MODULE_LICENSE("GPL");
-- 
1.6.6.1