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From 80146c830e0b14f92db3b7d02a05be315cab12b6 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Tue, 11 Nov 2008 13:52:56 +0200
Subject: [PATCH] DSS: Add generic DVI panel
You also need DSI PLL to generate pix clock for 1280x1024.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
drivers/video/omap2/Kconfig | 23 ++++++
drivers/video/omap2/Makefile | 2 +
drivers/video/omap2/panel-dvi.c | 150 +++++++++++++++++++++++++++++++++++++++
3 files changed, 175 insertions(+), 0 deletions(-)
create mode 100644 drivers/video/omap2/panel-dvi.c
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
index bfa1617..ab6a5fc 100644
--- a/drivers/video/omap2/Kconfig
+++ b/drivers/video/omap2/Kconfig
@@ -33,6 +33,29 @@ config FB_OMAP2_NUM_FBS
menu "OMAP2/3 Display Device Drivers"
depends on OMAP2_DSS
+config PANEL_DVI
+ tristate "DVI Panel"
+ help
+ DVI output, for Beagle and OMAP3 SDP
+
+choice
+ prompt "Default DVI Mode"
+ depends on PANEL_DVI
+ default PANEL_DVI_1024X768
+
+config PANEL_DVI_640X480
+ bool "640 x 480 @ 60"
+
+config PANEL_DVI_800X600
+ bool "800 x 600 @ 60"
+
+config PANEL_DVI_1024X768
+ bool "1024 x 768 @ 60"
+
+config PANEL_DVI_1280X1024
+ bool "1280 x 1024 @ 57"
+
+endchoice
endmenu
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
index 51c2e00..7c75340 100644
--- a/drivers/video/omap2/Makefile
+++ b/drivers/video/omap2/Makefile
@@ -1,2 +1,4 @@
obj-$(CONFIG_FB_OMAP2) += omapfb.o
omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
+
+obj-$(CONFIG_PANEL_DVI) += panel-dvi.o
diff --git a/drivers/video/omap2/panel-dvi.c b/drivers/video/omap2/panel-dvi.c
new file mode 100644
index 0000000..7a90773
--- /dev/null
+++ b/drivers/video/omap2/panel-dvi.c
@@ -0,0 +1,150 @@
+/*
+ * DVI panel support
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.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 <mach/display.h>
+
+static int dvi_panel_init(struct omap_display *display)
+{
+ return 0;
+}
+
+static int dvi_panel_enable(struct omap_display *display)
+{
+ int r = 0;
+
+ if (display->hw_config.panel_enable)
+ r = display->hw_config.panel_enable(display);
+
+ return r;
+}
+
+static void dvi_panel_disable(struct omap_display *display)
+{
+ if (display->hw_config.panel_disable)
+ display->hw_config.panel_disable(display);
+}
+
+static int dvi_panel_suspend(struct omap_display *display)
+{
+ dvi_panel_disable(display);
+ return 0;
+}
+
+static int dvi_panel_resume(struct omap_display *display)
+{
+ return dvi_panel_enable(display);
+}
+
+static struct omap_panel dvi_panel = {
+ .owner = THIS_MODULE,
+ .name = "panel-dvi",
+ .init = dvi_panel_init,
+ /*.remove = dvi_cleanup, */
+ .enable = dvi_panel_enable,
+ .disable = dvi_panel_disable,
+ .suspend = dvi_panel_suspend,
+ .resume = dvi_panel_resume,
+ /*.set_mode = dvi_set_mode, */
+
+#if defined(CONFIG_PANEL_DVI_640X480)
+ .timings = {
+ /* 640 x 480 @ 60 hz reduced blanking vesa
+ * (dunno if these are correct) */
+ .pixel_clock = 23500,
+ .hfp = 48,
+ .hsw = 32,
+ .hbp = 80,
+ .vfp = 3,
+ .vsw = 4,
+ .vbp = 11,
+ },
+
+ .x_res = 640,
+ .y_res = 480,
+ .bpp = 24,
+#elif defined(CONFIG_PANEL_DVI_800X600)
+ .timings = {
+ /* 800 x 600 @ 60 hz reduced blanking vesa cvt 0.48m3-r */
+ .pixel_clock = 35500,
+ .hfp = 48,
+ .hsw = 32,
+ .hbp = 80,
+ .vfp = 3,
+ .vsw = 4,
+ .vbp = 11,
+ },
+
+ .x_res = 800,
+ .y_res = 600,
+ .bpp = 24,
+#elif defined(CONFIG_PANEL_DVI_1024X768)
+ .timings = {
+ /* 1024 x 768 @ 60 Hz Reduced blanking */
+ .pixel_clock = 56000,
+ .hfp = 48,
+ .hsw = 32,
+ .hbp = 80,
+ .vfp = 3,
+ .vsw = 4,
+ .vbp = 15,
+ },
+
+ .x_res = 1024,
+ .y_res = 768,
+ .bpp = 24,
+#elif defined(CONFIG_PANEL_DVI_1280X1024)
+ .timings = {
+ /* 1280 x 1024 @ 57 Hz Reduced blanking */
+ .pixel_clock = 86500,
+ .hfp = 48,
+ .hsw = 32,
+ .hbp = 80,
+ .vfp = 3,
+ .vsw = 4,
+ .vbp = 15,
+ },
+
+ .x_res = 1280,
+ .y_res = 1024,
+ .bpp = 24,
+#else
+#error Undefined default mode
+#endif
+
+ .config = OMAP_DSS_LCD_TFT,
+};
+
+
+static int __init dvi_panel_drv_init(void)
+{
+ omap_dss_register_panel(&dvi_panel);
+ return 0;
+}
+
+static void __exit dvi_panel_drv_exit(void)
+{
+ omap_dss_unregister_panel(&dvi_panel);
+}
+
+module_init(dvi_panel_drv_init);
+module_exit(dvi_panel_drv_exit);
+MODULE_LICENSE("GPL");
--
1.5.6.3
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