OMAP: DSS2: Add Sharp LQ043T1DG01 panel driver

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index b12a59c9c50a7ff1fa2a7dd61e285ce31d7c8b85..4ce47ddffd3cd199dcfe377be818be63a97fbaf2 100644 (file)
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -13,6 +13,12 @@ config PANEL_SHARP_LS037V7DW01
         help
           LCD Panel used in TI's SDP3430 and EVM boards
 
+config PANEL_SHARP_LQ043T1DG01
+        tristate "Sharp LQ043T1DG01 LCD Panel"
+        depends on OMAP2_DSS
+        help
+          LCD Panel used in TI's OMAP3517 EVM boards
+
 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 955646440b3a4218ff03673682402abce89a8858..8f3d0adc76123a86d57ba75a84474d5342727221 100644 (file)
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -1,4 +1,5 @@
 obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o
 obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o
+obj-$(CONFIG_PANEL_SHARP_LQ043T1DG01) += panel-sharp-lq043t1dg01.o
 
 obj-$(CONFIG_PANEL_TAAL) += panel-taal.o

diff --git a/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
new file mode 100644 (file)
index 0000000..e75798e
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-sharp-lq043t1dg01.c
@@ -0,0 +1,120 @@
+/*
+ * LCD panel driver for Sharp LQ043T1DG01
+ *
+ * Copyright (C) 2009 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@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/>.
+ */
+
+#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 sharp_lq_timings = {
+       .x_res = 480,
+       .y_res = 272,
+
+       .pixel_clock    = 9000,
+
+       .hsw            = 42,
+       .hfp            = 3,
+       .hbp            = 2,
+
+       .vsw            = 11,
+       .vfp            = 3,
+       .vbp            = 2,
+};
+
+static int sharp_lq_panel_probe(struct omap_dss_device *dssdev)
+{
+
+       dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+               OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO;
+       dssdev->panel.acb = 0x0;
+       dssdev->panel.timings = sharp_lq_timings;
+
+       return 0;
+}
+
+static void sharp_lq_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int sharp_lq_panel_enable(struct omap_dss_device *dssdev)
+{
+       int r = 0;
+
+
+       /* wait couple of vsyncs until enabling the LCD */
+       msleep(50);
+
+       if (dssdev->platform_enable)
+               r = dssdev->platform_enable(dssdev);
+
+       return r;
+}
+
+static void sharp_lq_panel_disable(struct omap_dss_device *dssdev)
+{
+
+       if (dssdev->platform_disable)
+               dssdev->platform_disable(dssdev);
+
+       /* wait at least 5 vsyncs after disabling the LCD */
+
+       msleep(100);
+}
+
+static int sharp_lq_panel_suspend(struct omap_dss_device *dssdev)
+{
+       sharp_lq_panel_disable(dssdev);
+       return 0;
+}
+
+static int sharp_lq_panel_resume(struct omap_dss_device *dssdev)
+{
+       return sharp_lq_panel_enable(dssdev);
+}
+
+static struct omap_dss_driver sharp_lq_driver = {
+       .probe          = sharp_lq_panel_probe,
+       .remove         = sharp_lq_panel_remove,
+
+       .enable         = sharp_lq_panel_enable,
+       .disable        = sharp_lq_panel_disable,
+       .suspend        = sharp_lq_panel_suspend,
+       .resume         = sharp_lq_panel_resume,
+
+       .driver         = {
+               .name   = "sharp_lq_panel",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init sharp_lq_panel_drv_init(void)
+{
+       return omap_dss_register_driver(&sharp_lq_driver);
+}
+
+static void __exit sharp_lq_panel_drv_exit(void)
+{
+       omap_dss_unregister_driver(&sharp_lq_driver);
+}
+
+module_init(sharp_lq_panel_drv_init);
+module_exit(sharp_lq_panel_drv_exit);
+MODULE_LICENSE("GPL");