[PATCHv2] OMAP2: DSS: Add Innolux 7" display for DEVKIT8000

[swirl@gmx.li]

From: Thomas Weber <swirl@gmx.li>

This patch adds the 7 inch display for the DEVKIT8000.

Thanks to Vaibhav Hiremath for comments.

Change log:
	v2 
	Kconfig option description changed.
	Remove unneeded header file inclusion.
	Remove gotos.

Signed-off-by: Thomas Weber <weber@corscience.de>
---

 drivers/video/omap2/displays/Kconfig               |    8 +-
 drivers/video/omap2/displays/Makefile              |    1 +
 .../video/omap2/displays/panel-innolux-at070tn83.c |  148 ++++++++++++++++++++
 3 files changed, 156 insertions(+), 1 deletions(-)
 create mode 100644 drivers/video/omap2/displays/panel-innolux-at070tn83.c

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index dfb57ee..9d9742e 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -5,7 +5,7 @@ config PANEL_GENERIC
         tristate "Generic Panel"
         help
 	  Generic panel driver.
-	  Used for DVI output for Beagle and OMAP3 SDP.
+	  Used for OMAP3 DVI output.
 
 config PANEL_SHARP_LS037V7DW01
         tristate "Sharp LS037V7DW01 LCD Panel"
@@ -19,6 +19,12 @@ config PANEL_SHARP_LQ043T1DG01
         help
           LCD Panel used in TI's OMAP3517 EVM boards
 
+config PANEL_INNOLUX_AT070TN83
+	tristate "Innolux AT070TN83 LCD Panel"
+	depends on OMAP2_DSS
+	help
+	 LCD Panel used in TimLL's Devkit8000
+
 config PANEL_TAAL
         tristate "Taal DSI Panel"
         depends on OMAP2_DSS_DSI
diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile
index e2bb321..fe3ae8d 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
 obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
 obj-$(CONFIG_PANEL_TOPPOLY_TDO35S) += panel-toppoly-tdo35s.o
 obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
+obj-$(CONFIG_PANEL_INNOLUX_AT070TN83) += panel-innolux-at070tn83.o
diff --git a/drivers/video/omap2/displays/panel-innolux-at070tn83.c b/drivers/video/omap2/displays/panel-innolux-at070tn83.c
new file mode 100644
index 0000000..2005653
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-innolux-at070tn83.c
@@ -0,0 +1,148 @@
+/*
+ * LCD panel driver for Innolux AT70TN83
+ *
+ * Copyright (C) 2010 Thomas Weber <weber@corscience.de>
+ *
+ * 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 <linux/device.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+
+static struct omap_video_timings innolux_at_timings = {
+	.x_res		= 800,
+	.y_res		= 480,
+
+	.pixel_clock	= 40000,
+
+	.hsw		= 48,
+	.hfp		= 1,
+	.hbp		= 1,
+
+	.vsw		= 3,
+	.vfp		= 12,
+	.vbp		= 25,
+};
+
+static int innolux_at_panel_power_on(struct omap_dss_device *dssdev)
+{
+	int r;
+
+	r = omapdss_dpi_display_enable(dssdev);
+	if (r)
+		return r;
+
+	if (dssdev->platform_enable) {
+		r = dssdev->platform_enable(dssdev);
+		if (r)
+			omapdss_dpi_display_disable(dssdev);
+	}
+	return r;
+}
+
+static void innolux_at_panel_power_off(struct omap_dss_device *dssdev)
+{
+	if (dssdev->platform_disable)
+		dssdev->platform_disable(dssdev);
+
+	omapdss_dpi_display_disable(dssdev);
+
+}
+
+static int innolux_at_panel_probe(struct omap_dss_device *dssdev)
+{
+	dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+		OMAP_DSS_LCD_IHS;
+	dssdev->panel.acb = 0x28;
+	dssdev->panel.timings = innolux_at_timings;
+
+	return 0;
+}
+
+static void innolux_at_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int innolux_at_panel_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = innolux_at_panel_power_on(dssdev);
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static void innolux_at_panel_disable(struct omap_dss_device *dssdev)
+{
+	innolux_at_panel_power_off(dssdev);
+
+	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
+}
+
+static int innolux_at_panel_suspend(struct omap_dss_device *dssdev)
+{
+	innolux_at_panel_power_off(dssdev);
+	dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
+	return 0;
+}
+
+static int innolux_at_panel_resume(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	r = innolux_at_panel_power_on(dssdev);
+
+	if (r)
+		return r;
+
+	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
+
+	return 0;
+}
+
+static struct omap_dss_driver innolux_at_driver = {
+	.probe		= innolux_at_panel_probe,
+	.remove		= innolux_at_panel_remove,
+
+	.enable		= innolux_at_panel_enable,
+	.disable	= innolux_at_panel_disable,
+	.suspend	= innolux_at_panel_suspend,
+	.resume		= innolux_at_panel_resume,
+
+	.driver         = {
+		.name   = "innolux_at_panel",
+		.owner  = THIS_MODULE,
+	},
+};
+
+static int __init innolux_at_panel_drv_init(void)
+{
+	return omap_dss_register_driver(&innolux_at_driver);
+}
+
+static void __exit innolux_at_panel_drv_exit(void)
+{
+	omap_dss_unregister_driver(&innolux_at_driver);
+}
+
+module_init(innolux_at_panel_drv_init);
+module_exit(innolux_at_panel_drv_exit);
+MODULE_LICENSE("GPL");
-- 
1.6.4.4