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Message-Id: <f2b49525146391a3d01b944bf4ebce045cb503d4.1245842329.git.imre.deak@nokia.com>
Date: Wed, 24 Jun 2009 14:33:28 +0300
From: Imre Deak <imre.deak@...ia.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Krzysztof Helt <krzysztof.h1@...zta.fm>,
Antonino Daplas <adaplas@...il.com>,
Tony Lindgren <tony@...mide.com>,
Tomi Valkeinen <Tomi.Valkeinen@...ia.com>
Subject: [PATCH 03/20] omapfb: Add support for the Amstrad Delta LCD
From: Jonathan McDowell <noodles@...th.li>
This is an updated version of the LCD driver for the Amstrad Delta to
take into account the recent changes to the omapfb infrastructure. The
Delta features a 480x320 12 bit DSTN panel.
Signed-off-by: Jonathan McDowell <noodles@...th.li>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Imre Deak <imre.deak@...ia.com>
Acked-by: Krzysztof Helt <krzysztof.h1@...pl>
---
drivers/video/omap/Makefile | 1 +
drivers/video/omap/lcd_ams_delta.c | 137 ++++++++++++++++++++++++++++++++++++
2 files changed, 138 insertions(+), 0 deletions(-)
create mode 100644 drivers/video/omap/lcd_ams_delta.c
diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index d86d54a..2bf94ad 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -15,6 +15,7 @@ objs-$(CONFIG_ARCH_OMAP2)$(CONFIG_FB_OMAP_LCDC_EXTERNAL) += rfbi.o
objs-y$(CONFIG_FB_OMAP_LCDC_HWA742) += hwa742.o
objs-y$(CONFIG_FB_OMAP_LCDC_BLIZZARD) += blizzard.o
+objs-y$(CONFIG_MACH_AMS_DELTA) += lcd_ams_delta.o
objs-y$(CONFIG_MACH_OMAP_H4) += lcd_h4.o
objs-y$(CONFIG_MACH_OMAP_H3) += lcd_h3.o
objs-y$(CONFIG_MACH_OMAP_PALMTE) += lcd_palmte.o
diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c
new file mode 100644
index 0000000..1f74399
--- /dev/null
+++ b/drivers/video/omap/lcd_ams_delta.c
@@ -0,0 +1,137 @@
+/*
+ * Based on drivers/video/omap/lcd_inn1510.c
+ *
+ * LCD panel support for the Amstrad E3 (Delta) videophone.
+ *
+ * Copyright (C) 2006 Jonathan McDowell <noodles@...th.li>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * 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, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include <mach/board-ams-delta.h>
+#include <mach/hardware.h>
+#include <mach/omapfb.h>
+
+#define AMS_DELTA_DEFAULT_CONTRAST 112
+
+static int ams_delta_panel_init(struct lcd_panel *panel,
+ struct omapfb_device *fbdev)
+{
+ return 0;
+}
+
+static void ams_delta_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int ams_delta_panel_enable(struct lcd_panel *panel)
+{
+ ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
+ AMS_DELTA_LATCH2_LCD_NDISP);
+ ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
+ AMS_DELTA_LATCH2_LCD_VBLEN);
+
+ omap_writeb(1, OMAP_PWL_CLK_ENABLE);
+ omap_writeb(AMS_DELTA_DEFAULT_CONTRAST, OMAP_PWL_ENABLE);
+
+ return 0;
+}
+
+static void ams_delta_panel_disable(struct lcd_panel *panel)
+{
+ ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
+ ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
+}
+
+static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)
+{
+ return 0;
+}
+
+static struct lcd_panel ams_delta_panel = {
+ .name = "ams-delta",
+ .config = 0,
+
+ .bpp = 12,
+ .data_lines = 16,
+ .x_res = 480,
+ .y_res = 320,
+ .pixel_clock = 4687,
+ .hsw = 3,
+ .hfp = 1,
+ .hbp = 1,
+ .vsw = 1,
+ .vfp = 0,
+ .vbp = 0,
+ .pcd = 0,
+ .acb = 37,
+
+ .init = ams_delta_panel_init,
+ .cleanup = ams_delta_panel_cleanup,
+ .enable = ams_delta_panel_enable,
+ .disable = ams_delta_panel_disable,
+ .get_caps = ams_delta_panel_get_caps,
+};
+
+static int ams_delta_panel_probe(struct platform_device *pdev)
+{
+ omapfb_register_panel(&ams_delta_panel);
+ return 0;
+}
+
+static int ams_delta_panel_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int ams_delta_panel_suspend(struct platform_device *pdev,
+ pm_message_t mesg)
+{
+ return 0;
+}
+
+static int ams_delta_panel_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+struct platform_driver ams_delta_panel_driver = {
+ .probe = ams_delta_panel_probe,
+ .remove = ams_delta_panel_remove,
+ .suspend = ams_delta_panel_suspend,
+ .resume = ams_delta_panel_resume,
+ .driver = {
+ .name = "lcd_ams_delta",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int ams_delta_panel_drv_init(void)
+{
+ return platform_driver_register(&ams_delta_panel_driver);
+}
+
+static void ams_delta_panel_drv_cleanup(void)
+{
+ platform_driver_unregister(&ams_delta_panel_driver);
+}
+
+module_init(ams_delta_panel_drv_init);
+module_exit(ams_delta_panel_drv_cleanup);
--
1.6.3.2
--
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