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From 364e5e30ff9257f1bac68d7f30f3e7f51e8b1bfc Mon Sep 17 00:00:00 2001
From: Roger Monk <r-monk@ti.com>
Date: Wed, 10 Aug 2011 16:54:34 +0200
Subject: [PATCH 1/4] omap2-displays: Add support for ThreeFiveCorp S9700 Display
* Add support for s9700rtwv35tr01b display panel
* This is used on BeagleBoardToys ULCD/-lite daugtercards
Signed-off-by: Roger Monk <r-monk@ti.com>
---
drivers/video/omap2/displays/Kconfig | 6 +
drivers/video/omap2/displays/Makefile | 1 +
.../omap2/displays/panel-tfc-s9700rtwv35tr01b.c | 118 ++++++++++++++++++++
3 files changed, 125 insertions(+), 0 deletions(-)
create mode 100644 drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig
index 609a280..f8be2a8 100644
--- a/drivers/video/omap2/displays/Kconfig
+++ b/drivers/video/omap2/displays/Kconfig
@@ -30,6 +30,12 @@ config PANEL_NEC_NL8048HL11_01B
This NEC NL8048HL11-01B panel is TFT LCD
used in the Zoom2/3/3630 sdp boards.
+config PANEL_TFCS9700RTWV35TR01B
+ tristate "TFC S9700RTWV35TR01B"
+ depends on OMAP2_DSS
+ help
+ LCD Panel used on BeagleboardToys 800x480 LCD Expansion Module
+
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 0f601ab..8abdf50 100644
--- a/drivers/video/omap2/displays/Makefile
+++ b/drivers/video/omap2/displays/Makefile
@@ -5,4 +5,5 @@ obj-$(CONFIG_PANEL_NEC_NL8048HL11_01B) += panel-nec-nl8048hl11-01b.o
obj-$(CONFIG_PANEL_TAAL) += panel-taal.o
obj-$(CONFIG_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
+obj-$(CONFIG_PANEL_TFCS9700RTWV35TR01B) += panel-tfc-s9700rtwv35tr01b.o
obj-$(CONFIG_PANEL_ACX565AKM) += panel-acx565akm.o
diff --git a/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
new file mode 100644
index 0000000..c2a1a19
--- /dev/null
+++ b/drivers/video/omap2/displays/panel-tfc-s9700rtwv35tr01b.c
@@ -0,0 +1,118 @@
+/*
+ * LCD panel driver for TFC S9700RTWV35TR-01B
+ *
+ * Copyright (C) 2011 Texas Instruments Inc
+ * Author: Roger Monk <r-monk@ti.com>
+ * From Original by : 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 <video/omapdss.h>
+
+static struct omap_video_timings tfc_timings = {
+ .x_res = 800,
+ .y_res = 480,
+
+ .pixel_clock = 30000,
+
+ .hsw = 49,
+ .hfp = 41,
+ .hbp = 40,
+
+ .vsw = 4,
+ .vfp = 14,
+ .vbp = 29,
+};
+
+static int tfc_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; - TODO check this - doesn't work with this enabled
+ dssdev->panel.acb = 0x0;
+ dssdev->panel.timings = tfc_timings;
+
+ return 0;
+}
+
+static void tfc_panel_remove(struct omap_dss_device *dssdev)
+{
+}
+
+static int tfc_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 tfc_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 tfc_panel_suspend(struct omap_dss_device *dssdev)
+{
+ tfc_panel_disable(dssdev);
+ return 0;
+}
+
+static int tfc_panel_resume(struct omap_dss_device *dssdev)
+{
+ return tfc_panel_enable(dssdev);
+}
+
+static struct omap_dss_driver tfc_s9700_driver = {
+ .probe = tfc_panel_probe,
+ .remove = tfc_panel_remove,
+
+ .enable = tfc_panel_enable,
+ .disable = tfc_panel_disable,
+ .suspend = tfc_panel_suspend,
+ .resume = tfc_panel_resume,
+
+ .driver = {
+ .name = "tfc_s9700_panel",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init tfc_panel_drv_init(void)
+{
+ return omap_dss_register_driver(&tfc_s9700_driver);
+}
+
+static void __exit tfc_panel_drv_exit(void)
+{
+ omap_dss_unregister_driver(&tfc_s9700_driver);
+}
+
+module_init(tfc_panel_drv_init);
+module_exit(tfc_panel_drv_exit);
+MODULE_LICENSE("GPL");
--
1.6.6.1
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