3404 lines
79 KiB
Diff
3404 lines
79 KiB
Diff
From db9314f01a207e256d545244d3d00dc4ce535280 Mon Sep 17 00:00:00 2001
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From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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Date: Thu, 2 Apr 2009 10:25:48 +0300
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Subject: [PATCH] DSS2: OMAP framebuffer driver
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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---
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arch/arm/plat-omap/fb.c | 28 +
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drivers/video/omap/Kconfig | 5 +-
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drivers/video/omap2/omapfb/Kconfig | 35 +
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drivers/video/omap2/omapfb/Makefile | 2 +
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drivers/video/omap2/omapfb/omapfb-ioctl.c | 656 ++++++++++
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drivers/video/omap2/omapfb/omapfb-main.c | 2010 +++++++++++++++++++++++++++++
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drivers/video/omap2/omapfb/omapfb-sysfs.c | 371 ++++++
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drivers/video/omap2/omapfb/omapfb.h | 153 +++
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include/linux/omapfb.h | 20 +
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9 files changed, 3278 insertions(+), 2 deletions(-)
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create mode 100644 drivers/video/omap2/omapfb/Kconfig
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create mode 100644 drivers/video/omap2/omapfb/Makefile
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create mode 100644 drivers/video/omap2/omapfb/omapfb-ioctl.c
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create mode 100644 drivers/video/omap2/omapfb/omapfb-main.c
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create mode 100644 drivers/video/omap2/omapfb/omapfb-sysfs.c
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create mode 100644 drivers/video/omap2/omapfb/omapfb.h
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diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
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index 40615a6..1dc3415 100644
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--- a/arch/arm/plat-omap/fb.c
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+++ b/arch/arm/plat-omap/fb.c
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@@ -327,6 +327,34 @@ static inline int omap_init_fb(void)
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arch_initcall(omap_init_fb);
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+#elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
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+
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+static u64 omap_fb_dma_mask = ~(u32)0;
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+static struct omapfb_platform_data omapfb_config;
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+
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+static struct platform_device omap_fb_device = {
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+ .name = "omapfb",
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+ .id = -1,
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+ .dev = {
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+ .dma_mask = &omap_fb_dma_mask,
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+ .coherent_dma_mask = ~(u32)0,
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+ .platform_data = &omapfb_config,
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+ },
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+ .num_resources = 0,
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+};
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+
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+void omapfb_set_platform_data(struct omapfb_platform_data *data)
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+{
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+ omapfb_config = *data;
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+}
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+
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+static inline int omap_init_fb(void)
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+{
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+ return platform_device_register(&omap_fb_device);
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+}
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+
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+arch_initcall(omap_init_fb);
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+
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#else
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void omapfb_reserve_sdram(void) {}
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diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig
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index c355b59..a1c10de 100644
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--- a/drivers/video/omap/Kconfig
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+++ b/drivers/video/omap/Kconfig
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@@ -1,6 +1,7 @@
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config FB_OMAP
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tristate "OMAP frame buffer support (EXPERIMENTAL)"
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- depends on FB && ARCH_OMAP
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+ depends on FB && ARCH_OMAP && (OMAP2_DSS = "n")
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+
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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@@ -72,7 +73,7 @@ config FB_OMAP_LCD_MIPID
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config FB_OMAP_BOOTLOADER_INIT
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bool "Check bootloader initialization"
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- depends on FB_OMAP
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+ depends on FB_OMAP || FB_OMAP2
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help
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Say Y here if you want to enable checking if the bootloader has
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already initialized the display controller. In this case the
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diff --git a/drivers/video/omap2/omapfb/Kconfig b/drivers/video/omap2/omapfb/Kconfig
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new file mode 100644
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index 0000000..4f66033
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--- /dev/null
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+++ b/drivers/video/omap2/omapfb/Kconfig
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@@ -0,0 +1,35 @@
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+menuconfig FB_OMAP2
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+ tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)"
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+ depends on FB && OMAP2_DSS
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+
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+ select FB_CFB_FILLRECT
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+ select FB_CFB_COPYAREA
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+ select FB_CFB_IMAGEBLIT
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+ help
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+ Frame buffer driver for OMAP2/3 based boards.
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+
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+config FB_OMAP2_DEBUG_SUPPORT
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+ bool "Debug support for OMAP2/3 FB"
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+ default y
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+ depends on FB_OMAP2
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+ help
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+ Support for debug output. You have to enable the actual printing
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+ with debug module parameter.
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+
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+config FB_OMAP2_FORCE_AUTO_UPDATE
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+ bool "Force main display to automatic update mode"
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+ depends on FB_OMAP2
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+ help
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+ Forces main display to automatic update mode (if possible),
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+ and also enables tearsync (if possible). By default
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+ displays that support manual update are started in manual
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+ update mode.
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+
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+config FB_OMAP2_NUM_FBS
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+ int "Number of framebuffers"
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+ range 1 10
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+ default 3
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+ depends on FB_OMAP2
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+ help
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+ Select the number of framebuffers created. OMAP2/3 has 3 overlays
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+ so normally this would be 3.
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diff --git a/drivers/video/omap2/omapfb/Makefile b/drivers/video/omap2/omapfb/Makefile
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new file mode 100644
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index 0000000..51c2e00
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--- /dev/null
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+++ b/drivers/video/omap2/omapfb/Makefile
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@@ -0,0 +1,2 @@
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+obj-$(CONFIG_FB_OMAP2) += omapfb.o
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+omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
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diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
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new file mode 100644
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index 0000000..7f18d2a
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--- /dev/null
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+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
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@@ -0,0 +1,656 @@
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+/*
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+ * linux/drivers/video/omap2/omapfb-ioctl.c
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+ *
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+ * Copyright (C) 2008 Nokia Corporation
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+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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+ *
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+ * Some code and ideas taken from drivers/video/omap/ driver
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+ * by Imre Deak.
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published by
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+ * the Free Software Foundation.
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+ *
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+ * This program is distributed in the hope that it will be useful, but WITHOUT
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+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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+ * more details.
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+ *
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+ * You should have received a copy of the GNU General Public License along with
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+ * this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+#include <linux/fb.h>
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+#include <linux/device.h>
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+#include <linux/uaccess.h>
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+#include <linux/platform_device.h>
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+#include <linux/mm.h>
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+#include <linux/omapfb.h>
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+#include <linux/vmalloc.h>
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+
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+#include <mach/display.h>
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+#include <mach/vrfb.h>
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+
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+#include "omapfb.h"
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+
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+static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+ struct omap_display *display = fb2display(fbi);
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+ struct omap_overlay *ovl;
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+ struct omap_overlay_info info;
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+ int r = 0;
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+
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+ DBG("omapfb_setup_plane\n");
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+
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+ omapfb_lock(fbdev);
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+
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+ if (ofbi->num_overlays != 1) {
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+ r = -EINVAL;
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+ goto out;
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+ }
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+
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+ /* XXX uses only the first overlay */
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+ ovl = ofbi->overlays[0];
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+
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+ if (pi->enabled && !ofbi->region.size) {
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+ /*
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+ * This plane's memory was freed, can't enable it
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+ * until it's reallocated.
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+ */
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+ r = -EINVAL;
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+ goto out;
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+ }
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+
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+ ovl->get_overlay_info(ovl, &info);
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+
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+ info.pos_x = pi->pos_x;
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+ info.pos_y = pi->pos_y;
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+ info.out_width = pi->out_width;
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+ info.out_height = pi->out_height;
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+ info.enabled = pi->enabled;
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+
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+ r = ovl->set_overlay_info(ovl, &info);
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+ if (r)
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+ goto out;
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+
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+ if (ovl->manager) {
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+ r = ovl->manager->apply(ovl->manager);
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+ if (r)
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+ goto out;
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+ }
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+
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+ if (display) {
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+ u16 w, h;
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+
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+ if (display->sync)
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+ display->sync(display);
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+
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+ display->get_resolution(display, &w, &h);
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+
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+ if (display->update)
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+ display->update(display, 0, 0, w, h);
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+ }
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+
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+out:
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+ omapfb_unlock(fbdev);
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+ if (r)
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+ dev_err(fbdev->dev, "setup_plane failed\n");
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+ return r;
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+}
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+
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+static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+
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+ omapfb_lock(fbdev);
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+
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+ if (ofbi->num_overlays != 1) {
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+ memset(pi, 0, sizeof(*pi));
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+ } else {
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+ struct omap_overlay_info *ovli;
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+ struct omap_overlay *ovl;
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+
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+ ovl = ofbi->overlays[0];
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+ ovli = &ovl->info;
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+
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+ pi->pos_x = ovli->pos_x;
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+ pi->pos_y = ovli->pos_y;
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+ pi->enabled = ovli->enabled;
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+ pi->channel_out = 0; /* xxx */
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+ pi->mirror = 0;
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+ pi->out_width = ovli->out_width;
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+ pi->out_height = ovli->out_height;
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+ }
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+
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+ omapfb_unlock(fbdev);
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+
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+ return 0;
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+}
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+
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+static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+ struct omapfb2_mem_region *rg;
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+ int r, i;
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+ size_t size;
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+
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+ if (mi->type > OMAPFB_MEMTYPE_MAX)
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+ return -EINVAL;
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+
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+ size = PAGE_ALIGN(mi->size);
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+
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+ rg = &ofbi->region;
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+
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+ omapfb_lock(fbdev);
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+
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+ for (i = 0; i < ofbi->num_overlays; i++) {
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+ if (ofbi->overlays[i]->info.enabled) {
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+ r = -EBUSY;
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+ goto out;
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+ }
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+ }
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+
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+ if (rg->size != size || rg->type != mi->type) {
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+ r = omapfb_realloc_fbmem(fbi, size, mi->type);
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+ if (r) {
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+ dev_err(fbdev->dev, "realloc fbmem failed\n");
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+ goto out;
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+ }
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+ }
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+
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+ r = 0;
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+out:
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+ omapfb_unlock(fbdev);
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+
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+ return r;
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+}
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+
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+static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+ struct omapfb2_mem_region *rg;
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+
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+ rg = &ofbi->region;
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+ memset(mi, 0, sizeof(*mi));
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+
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+ omapfb_lock(fbdev);
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+ mi->size = rg->size;
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+ mi->type = rg->type;
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+ omapfb_unlock(fbdev);
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+
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+ return 0;
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+}
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+
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+static int omapfb_update_window(struct fb_info *fbi,
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+ u32 x, u32 y, u32 w, u32 h)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+ struct omap_display *display = fb2display(fbi);
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+ u16 dw, dh;
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+
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+ if (!display)
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+ return 0;
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+
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+ if (w == 0 || h == 0)
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+ return 0;
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+
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+ display->get_resolution(display, &dw, &dh);
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+
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+ if (x + w > dw || y + h > dh)
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+ return -EINVAL;
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+
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+ omapfb_lock(fbdev);
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+ display->update(display, x, y, w, h);
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+ omapfb_unlock(fbdev);
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+
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+ return 0;
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+}
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+
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+static int omapfb_set_update_mode(struct fb_info *fbi,
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+ enum omapfb_update_mode mode)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
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+ struct omap_display *display = fb2display(fbi);
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+ enum omap_dss_update_mode um;
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+ int r;
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+
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+ if (!display || !display->set_update_mode)
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+ return -EINVAL;
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+
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+ switch (mode) {
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+ case OMAPFB_UPDATE_DISABLED:
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+ um = OMAP_DSS_UPDATE_DISABLED;
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+ break;
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+
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+ case OMAPFB_AUTO_UPDATE:
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+ um = OMAP_DSS_UPDATE_AUTO;
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+ break;
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+
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+ case OMAPFB_MANUAL_UPDATE:
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+ um = OMAP_DSS_UPDATE_MANUAL;
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+ break;
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+
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ omapfb_lock(fbdev);
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+ r = display->set_update_mode(display, um);
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+ omapfb_unlock(fbdev);
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+
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+ return r;
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+}
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+
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+static int omapfb_get_update_mode(struct fb_info *fbi,
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+ enum omapfb_update_mode *mode)
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+{
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+ struct omapfb_info *ofbi = FB2OFB(fbi);
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+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
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+ struct omap_display *display = fb2display(fbi);
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+ enum omap_dss_update_mode m;
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+
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+ if (!display || !display->get_update_mode)
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+ return -EINVAL;
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+
|
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+ omapfb_lock(fbdev);
|
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+ m = display->get_update_mode(display);
|
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+ omapfb_unlock(fbdev);
|
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+
|
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+ switch (m) {
|
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+ case OMAP_DSS_UPDATE_DISABLED:
|
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+ *mode = OMAPFB_UPDATE_DISABLED;
|
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+ break;
|
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+ case OMAP_DSS_UPDATE_AUTO:
|
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+ *mode = OMAPFB_AUTO_UPDATE;
|
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+ break;
|
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+ case OMAP_DSS_UPDATE_MANUAL:
|
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+ *mode = OMAPFB_MANUAL_UPDATE;
|
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+ break;
|
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+ default:
|
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+ BUG();
|
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+ }
|
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+
|
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+ return 0;
|
|
+}
|
|
+
|
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+/* XXX this color key handling is a hack... */
|
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+static struct omapfb_color_key omapfb_color_keys[2];
|
|
+
|
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+static int _omapfb_set_color_key(struct omap_overlay_manager *mgr,
|
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+ struct omapfb_color_key *ck)
|
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+{
|
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+ enum omap_dss_color_key_type kt;
|
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+
|
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+ if(!mgr->set_default_color || !mgr->set_trans_key ||
|
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+ !mgr->enable_trans_key)
|
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+ return 0;
|
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+
|
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+ if (ck->key_type == OMAPFB_COLOR_KEY_DISABLED) {
|
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+ mgr->enable_trans_key(mgr, 0);
|
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+ omapfb_color_keys[mgr->id] = *ck;
|
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+ return 0;
|
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+ }
|
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+
|
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+ switch(ck->key_type) {
|
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+ case OMAPFB_COLOR_KEY_GFX_DST:
|
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+ kt = OMAP_DSS_COLOR_KEY_GFX_DST;
|
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+ break;
|
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+ case OMAPFB_COLOR_KEY_VID_SRC:
|
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+ kt = OMAP_DSS_COLOR_KEY_VID_SRC;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ mgr->set_default_color(mgr, ck->background);
|
|
+ mgr->set_trans_key(mgr, kt, ck->trans_key);
|
|
+ mgr->enable_trans_key(mgr, 1);
|
|
+
|
|
+ omapfb_color_keys[mgr->id] = *ck;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_set_color_key(struct fb_info *fbi,
|
|
+ struct omapfb_color_key *ck)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ int r;
|
|
+ int i;
|
|
+ struct omap_overlay_manager *mgr = NULL;
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ for (i = 0; i < ofbi->num_overlays; i++) {
|
|
+ if (ofbi->overlays[i]->manager) {
|
|
+ mgr = ofbi->overlays[i]->manager;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!mgr) {
|
|
+ r = -EINVAL;
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ if(!mgr->set_default_color || !mgr->set_trans_key ||
|
|
+ !mgr->enable_trans_key) {
|
|
+ r = -ENODEV;
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ r = _omapfb_set_color_key(mgr, ck);
|
|
+err:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_get_color_key(struct fb_info *fbi,
|
|
+ struct omapfb_color_key *ck)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_overlay_manager *mgr = NULL;
|
|
+ int r = 0;
|
|
+ int i;
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ for (i = 0; i < ofbi->num_overlays; i++) {
|
|
+ if (ofbi->overlays[i]->manager) {
|
|
+ mgr = ofbi->overlays[i]->manager;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!mgr) {
|
|
+ r = -EINVAL;
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ if(!mgr->set_default_color || !mgr->set_trans_key ||
|
|
+ !mgr->enable_trans_key) {
|
|
+ r = -ENODEV;
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ *ck = omapfb_color_keys[mgr->id];
|
|
+err:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_memory_read(struct fb_info *fbi,
|
|
+ struct omapfb_memory_read *mr)
|
|
+{
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ void *buf;
|
|
+ int r;
|
|
+
|
|
+ if (!display || !display->memory_read)
|
|
+ return -ENOENT;
|
|
+
|
|
+ if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size))
|
|
+ return -EFAULT;
|
|
+
|
|
+ if (mr->w * mr->h * 3 > mr->buffer_size)
|
|
+ return -EINVAL;
|
|
+
|
|
+ buf = vmalloc(mr->buffer_size);
|
|
+ if (!buf) {
|
|
+ DBG("vmalloc failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ r = display->memory_read(display, buf, mr->buffer_size,
|
|
+ mr->x, mr->y, mr->w, mr->h);
|
|
+
|
|
+ if (r > 0) {
|
|
+ if (copy_to_user(mr->buffer, buf, mr->buffer_size))
|
|
+ r = -EFAULT;
|
|
+ }
|
|
+
|
|
+ vfree(buf);
|
|
+
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+
|
|
+ union {
|
|
+ struct omapfb_update_window_old uwnd_o;
|
|
+ struct omapfb_update_window uwnd;
|
|
+ struct omapfb_plane_info plane_info;
|
|
+ struct omapfb_caps caps;
|
|
+ struct omapfb_mem_info mem_info;
|
|
+ struct omapfb_color_key color_key;
|
|
+ enum omapfb_update_mode update_mode;
|
|
+ int test_num;
|
|
+ struct omapfb_memory_read memory_read;
|
|
+ } p;
|
|
+
|
|
+ int r = 0;
|
|
+
|
|
+ switch (cmd) {
|
|
+ case OMAPFB_SYNC_GFX:
|
|
+ DBG("ioctl SYNC_GFX\n");
|
|
+ if (!display || !display->sync) {
|
|
+ /* DSS1 never returns an error here, so we neither */
|
|
+ /*r = -EINVAL;*/
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+ r = display->sync(display);
|
|
+ omapfb_unlock(fbdev);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_UPDATE_WINDOW_OLD:
|
|
+ DBG("ioctl UPDATE_WINDOW_OLD\n");
|
|
+ if (!display || !display->update) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (copy_from_user(&p.uwnd_o,
|
|
+ (void __user *)arg,
|
|
+ sizeof(p.uwnd_o))) {
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = omapfb_update_window(fbi, p.uwnd_o.x, p.uwnd_o.y,
|
|
+ p.uwnd_o.width, p.uwnd_o.height);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_UPDATE_WINDOW:
|
|
+ DBG("ioctl UPDATE_WINDOW\n");
|
|
+ if (!display || !display->update) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (copy_from_user(&p.uwnd, (void __user *)arg,
|
|
+ sizeof(p.uwnd))) {
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = omapfb_update_window(fbi, p.uwnd.x, p.uwnd.y,
|
|
+ p.uwnd.width, p.uwnd.height);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_SETUP_PLANE:
|
|
+ DBG("ioctl SETUP_PLANE\n");
|
|
+ if (copy_from_user(&p.plane_info, (void __user *)arg,
|
|
+ sizeof(p.plane_info)))
|
|
+ r = -EFAULT;
|
|
+ else
|
|
+ r = omapfb_setup_plane(fbi, &p.plane_info);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_QUERY_PLANE:
|
|
+ DBG("ioctl QUERY_PLANE\n");
|
|
+ r = omapfb_query_plane(fbi, &p.plane_info);
|
|
+ if (r < 0)
|
|
+ break;
|
|
+ if (copy_to_user((void __user *)arg, &p.plane_info,
|
|
+ sizeof(p.plane_info)))
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_SETUP_MEM:
|
|
+ DBG("ioctl SETUP_MEM\n");
|
|
+ if (copy_from_user(&p.mem_info, (void __user *)arg,
|
|
+ sizeof(p.mem_info)))
|
|
+ r = -EFAULT;
|
|
+ else
|
|
+ r = omapfb_setup_mem(fbi, &p.mem_info);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_QUERY_MEM:
|
|
+ DBG("ioctl QUERY_MEM\n");
|
|
+ r = omapfb_query_mem(fbi, &p.mem_info);
|
|
+ if (r < 0)
|
|
+ break;
|
|
+ if (copy_to_user((void __user *)arg, &p.mem_info,
|
|
+ sizeof(p.mem_info)))
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_GET_CAPS:
|
|
+ DBG("ioctl GET_CAPS\n");
|
|
+ if (!display) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ p.caps.ctrl = display->caps;
|
|
+
|
|
+ if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps)))
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_SET_UPDATE_MODE:
|
|
+ DBG("ioctl SET_UPDATE_MODE\n");
|
|
+ if (get_user(p.update_mode, (int __user *)arg))
|
|
+ r = -EFAULT;
|
|
+ else
|
|
+ r = omapfb_set_update_mode(fbi, p.update_mode);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_GET_UPDATE_MODE:
|
|
+ DBG("ioctl GET_UPDATE_MODE\n");
|
|
+ r = omapfb_get_update_mode(fbi, &p.update_mode);
|
|
+ if (r)
|
|
+ break;
|
|
+ if (put_user(p.update_mode,
|
|
+ (enum omapfb_update_mode __user *)arg))
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_SET_COLOR_KEY:
|
|
+ DBG("ioctl SET_COLOR_KEY\n");
|
|
+ if (copy_from_user(&p.color_key, (void __user *)arg,
|
|
+ sizeof(p.color_key)))
|
|
+ r = -EFAULT;
|
|
+ else
|
|
+ r = omapfb_set_color_key(fbi, &p.color_key);
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_GET_COLOR_KEY:
|
|
+ DBG("ioctl GET_COLOR_KEY\n");
|
|
+ if ((r = omapfb_get_color_key(fbi, &p.color_key)) < 0)
|
|
+ break;
|
|
+ if (copy_to_user((void __user *)arg, &p.color_key,
|
|
+ sizeof(p.color_key)))
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_WAITFORVSYNC:
|
|
+ DBG("ioctl WAITFORVSYNC\n");
|
|
+ if (!display) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = display->wait_vsync(display);
|
|
+ break;
|
|
+
|
|
+ /* LCD and CTRL tests do the same thing for backward
|
|
+ * compatibility */
|
|
+ case OMAPFB_LCD_TEST:
|
|
+ DBG("ioctl LCD_TEST\n");
|
|
+ if (get_user(p.test_num, (int __user *)arg)) {
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+ }
|
|
+ if (!display || !display->run_test) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = display->run_test(display, p.test_num);
|
|
+
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_CTRL_TEST:
|
|
+ DBG("ioctl CTRL_TEST\n");
|
|
+ if (get_user(p.test_num, (int __user *)arg)) {
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+ }
|
|
+ if (!display || !display->run_test) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = display->run_test(display, p.test_num);
|
|
+
|
|
+ break;
|
|
+
|
|
+ case OMAPFB_MEMORY_READ:
|
|
+ DBG("ioctl MEMORY_READ\n");
|
|
+
|
|
+ if (copy_from_user(&p.memory_read, (void __user *)arg,
|
|
+ sizeof(p.memory_read))) {
|
|
+ r = -EFAULT;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = omapfb_memory_read(fbi, &p.memory_read);
|
|
+
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ dev_err(fbdev->dev, "Unknown ioctl 0x%x\n", cmd);
|
|
+ r = -EINVAL;
|
|
+ }
|
|
+
|
|
+ if (r < 0)
|
|
+ DBG("ioctl failed: %d\n", r);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+
|
|
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
|
|
new file mode 100644
|
|
index 0000000..852abe5
|
|
--- /dev/null
|
|
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
|
|
@@ -0,0 +1,2010 @@
|
|
+/*
|
|
+ * linux/drivers/video/omap2/omapfb-main.c
|
|
+ *
|
|
+ * Copyright (C) 2008 Nokia Corporation
|
|
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
|
+ *
|
|
+ * Some code and ideas taken from drivers/video/omap/ driver
|
|
+ * by Imre Deak.
|
|
+ *
|
|
+ * 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/fb.h>
|
|
+#include <linux/dma-mapping.h>
|
|
+#include <linux/vmalloc.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/omapfb.h>
|
|
+
|
|
+#include <mach/display.h>
|
|
+#include <mach/vram.h>
|
|
+#include <mach/vrfb.h>
|
|
+
|
|
+#include "omapfb.h"
|
|
+
|
|
+#define MODULE_NAME "omapfb"
|
|
+
|
|
+static char *def_mode;
|
|
+static char *def_vram;
|
|
+static int def_vrfb;
|
|
+static int def_rotate;
|
|
+static int def_mirror;
|
|
+
|
|
+#ifdef DEBUG
|
|
+unsigned int omapfb_debug;
|
|
+module_param_named(debug, omapfb_debug, bool, 0644);
|
|
+static unsigned int omapfb_test_pattern;
|
|
+module_param_named(test, omapfb_test_pattern, bool, 0644);
|
|
+#endif
|
|
+
|
|
+#ifdef DEBUG
|
|
+static void draw_pixel(struct fb_info *fbi, int x, int y, unsigned color)
|
|
+{
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ struct fb_fix_screeninfo *fix = &fbi->fix;
|
|
+ void __iomem *addr = fbi->screen_base;
|
|
+ const unsigned bytespp = var->bits_per_pixel >> 3;
|
|
+ const unsigned line_len = fix->line_length / bytespp;
|
|
+
|
|
+ int r = (color >> 16) & 0xff;
|
|
+ int g = (color >> 8) & 0xff;
|
|
+ int b = (color >> 0) & 0xff;
|
|
+
|
|
+ if (var->bits_per_pixel == 16) {
|
|
+ u16 __iomem *p = (u16 __iomem *)addr;
|
|
+ p += y * line_len + x;
|
|
+
|
|
+ r = r * 32 / 256;
|
|
+ g = g * 64 / 256;
|
|
+ b = b * 32 / 256;
|
|
+
|
|
+ __raw_writew((r << 11) | (g << 5) | (b << 0), p);
|
|
+ } else if (var->bits_per_pixel == 24) {
|
|
+ u8 __iomem *p = (u8 __iomem *)addr;
|
|
+ p += (y * line_len + x) * 3;
|
|
+
|
|
+ __raw_writeb(b, p + 0);
|
|
+ __raw_writeb(g, p + 1);
|
|
+ __raw_writeb(r, p + 2);
|
|
+ } else if (var->bits_per_pixel == 32) {
|
|
+ u32 __iomem *p = (u32 __iomem *)addr;
|
|
+ p += y * line_len + x;
|
|
+ __raw_writel(color, p);
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fill_fb(struct fb_info *fbi)
|
|
+{
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ const short w = var->xres_virtual;
|
|
+ const short h = var->yres_virtual;
|
|
+ void __iomem *addr = fbi->screen_base;
|
|
+ int y, x;
|
|
+
|
|
+ if (!addr)
|
|
+ return;
|
|
+
|
|
+ DBG("fill_fb %dx%d, line_len %d bytes\n", w, h, fbi->fix.line_length);
|
|
+
|
|
+ for (y = 0; y < h; y++) {
|
|
+ for (x = 0; x < w; x++) {
|
|
+ if (x < 20 && y < 20)
|
|
+ draw_pixel(fbi, x, y, 0xffffff);
|
|
+ else if (x < 20 && (y > 20 && y < h - 20))
|
|
+ draw_pixel(fbi, x, y, 0xff);
|
|
+ else if (y < 20 && (x > 20 && x < w - 20))
|
|
+ draw_pixel(fbi, x, y, 0xff00);
|
|
+ else if (x > w - 20 && (y > 20 && y < h - 20))
|
|
+ draw_pixel(fbi, x, y, 0xff0000);
|
|
+ else if (y > h - 20 && (x > 20 && x < w - 20))
|
|
+ draw_pixel(fbi, x, y, 0xffff00);
|
|
+ else if (x == 20 || x == w - 20 ||
|
|
+ y == 20 || y == h - 20)
|
|
+ draw_pixel(fbi, x, y, 0xffffff);
|
|
+ else if (x == y || w - x == h - y)
|
|
+ draw_pixel(fbi, x, y, 0xff00ff);
|
|
+ else if (w - x == y || x == h - y)
|
|
+ draw_pixel(fbi, x, y, 0x00ffff);
|
|
+ else if (x > 20 && y > 20 && x < w - 20 && y < h - 20) {
|
|
+ int t = x * 3 / w;
|
|
+ unsigned r = 0, g = 0, b = 0;
|
|
+ unsigned c;
|
|
+ if (var->bits_per_pixel == 16) {
|
|
+ if (t == 0)
|
|
+ b = (y % 32) * 256 / 32;
|
|
+ else if (t == 1)
|
|
+ g = (y % 64) * 256 / 64;
|
|
+ else if (t == 2)
|
|
+ r = (y % 32) * 256 / 32;
|
|
+ } else {
|
|
+ if (t == 0)
|
|
+ b = (y % 256);
|
|
+ else if (t == 1)
|
|
+ g = (y % 256);
|
|
+ else if (t == 2)
|
|
+ r = (y % 256);
|
|
+ }
|
|
+ c = (r << 16) | (g << 8) | (b << 0);
|
|
+ draw_pixel(fbi, x, y, c);
|
|
+ } else {
|
|
+ draw_pixel(fbi, x, y, 0);
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+}
|
|
+#endif
|
|
+
|
|
+static unsigned omapfb_get_vrfb_offset(struct omapfb_info *ofbi, int rot)
|
|
+{
|
|
+ struct vrfb *vrfb = &ofbi->region.vrfb;
|
|
+ unsigned offset;
|
|
+
|
|
+ switch (rot) {
|
|
+ case FB_ROTATE_UR:
|
|
+ offset = 0;
|
|
+ break;
|
|
+ case FB_ROTATE_CW:
|
|
+ offset = vrfb->yoffset;
|
|
+ break;
|
|
+ case FB_ROTATE_UD:
|
|
+ offset = vrfb->yoffset * OMAP_VRFB_LINE_LEN + vrfb->xoffset;
|
|
+ break;
|
|
+ case FB_ROTATE_CCW:
|
|
+ offset = vrfb->xoffset * OMAP_VRFB_LINE_LEN;
|
|
+ break;
|
|
+ default:
|
|
+ BUG();
|
|
+ }
|
|
+
|
|
+ offset *= vrfb->bytespp;
|
|
+
|
|
+ return offset;
|
|
+}
|
|
+
|
|
+static u32 omapfb_get_region_rot_paddr(struct omapfb_info *ofbi)
|
|
+{
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB) {
|
|
+ unsigned offset;
|
|
+ int rot;
|
|
+
|
|
+ rot = ofbi->rotation;
|
|
+
|
|
+ offset = omapfb_get_vrfb_offset(ofbi, rot);
|
|
+
|
|
+ return ofbi->region.vrfb.paddr[rot] + offset;
|
|
+ } else {
|
|
+ return ofbi->region.paddr;
|
|
+ }
|
|
+}
|
|
+
|
|
+u32 omapfb_get_region_paddr(struct omapfb_info *ofbi)
|
|
+{
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ return ofbi->region.vrfb.paddr[0];
|
|
+ else
|
|
+ return ofbi->region.paddr;
|
|
+}
|
|
+
|
|
+void __iomem *omapfb_get_region_vaddr(struct omapfb_info *ofbi)
|
|
+{
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ return ofbi->region.vrfb.vaddr[0];
|
|
+ else
|
|
+ return ofbi->region.vaddr;
|
|
+}
|
|
+
|
|
+static struct omapfb_colormode omapfb_colormodes[] = {
|
|
+ {
|
|
+ .dssmode = OMAP_DSS_COLOR_UYVY,
|
|
+ .bits_per_pixel = 16,
|
|
+ .nonstd = OMAPFB_COLOR_YUV422,
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_YUV2,
|
|
+ .bits_per_pixel = 16,
|
|
+ .nonstd = OMAPFB_COLOR_YUY422,
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_ARGB16,
|
|
+ .bits_per_pixel = 16,
|
|
+ .red = { .length = 4, .offset = 8, .msb_right = 0 },
|
|
+ .green = { .length = 4, .offset = 4, .msb_right = 0 },
|
|
+ .blue = { .length = 4, .offset = 0, .msb_right = 0 },
|
|
+ .transp = { .length = 4, .offset = 12, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_RGB16,
|
|
+ .bits_per_pixel = 16,
|
|
+ .red = { .length = 5, .offset = 11, .msb_right = 0 },
|
|
+ .green = { .length = 6, .offset = 5, .msb_right = 0 },
|
|
+ .blue = { .length = 5, .offset = 0, .msb_right = 0 },
|
|
+ .transp = { .length = 0, .offset = 0, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_RGB24P,
|
|
+ .bits_per_pixel = 24,
|
|
+ .red = { .length = 8, .offset = 16, .msb_right = 0 },
|
|
+ .green = { .length = 8, .offset = 8, .msb_right = 0 },
|
|
+ .blue = { .length = 8, .offset = 0, .msb_right = 0 },
|
|
+ .transp = { .length = 0, .offset = 0, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_RGB24U,
|
|
+ .bits_per_pixel = 32,
|
|
+ .red = { .length = 8, .offset = 16, .msb_right = 0 },
|
|
+ .green = { .length = 8, .offset = 8, .msb_right = 0 },
|
|
+ .blue = { .length = 8, .offset = 0, .msb_right = 0 },
|
|
+ .transp = { .length = 0, .offset = 0, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_ARGB32,
|
|
+ .bits_per_pixel = 32,
|
|
+ .red = { .length = 8, .offset = 16, .msb_right = 0 },
|
|
+ .green = { .length = 8, .offset = 8, .msb_right = 0 },
|
|
+ .blue = { .length = 8, .offset = 0, .msb_right = 0 },
|
|
+ .transp = { .length = 8, .offset = 24, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_RGBA32,
|
|
+ .bits_per_pixel = 32,
|
|
+ .red = { .length = 8, .offset = 24, .msb_right = 0 },
|
|
+ .green = { .length = 8, .offset = 16, .msb_right = 0 },
|
|
+ .blue = { .length = 8, .offset = 8, .msb_right = 0 },
|
|
+ .transp = { .length = 8, .offset = 0, .msb_right = 0 },
|
|
+ }, {
|
|
+ .dssmode = OMAP_DSS_COLOR_RGBX32,
|
|
+ .bits_per_pixel = 32,
|
|
+ .red = { .length = 8, .offset = 24, .msb_right = 0 },
|
|
+ .green = { .length = 8, .offset = 16, .msb_right = 0 },
|
|
+ .blue = { .length = 8, .offset = 8, .msb_right = 0 },
|
|
+ .transp = { .length = 0, .offset = 0, .msb_right = 0 },
|
|
+ },
|
|
+};
|
|
+
|
|
+static bool cmp_var_to_colormode(struct fb_var_screeninfo *var,
|
|
+ struct omapfb_colormode *color)
|
|
+{
|
|
+ bool cmp_component(struct fb_bitfield *f1, struct fb_bitfield *f2)
|
|
+ {
|
|
+ return f1->length == f2->length &&
|
|
+ f1->offset == f2->offset &&
|
|
+ f1->msb_right == f2->msb_right;
|
|
+ }
|
|
+
|
|
+ if (var->bits_per_pixel == 0 ||
|
|
+ var->red.length == 0 ||
|
|
+ var->blue.length == 0 ||
|
|
+ var->green.length == 0)
|
|
+ return 0;
|
|
+
|
|
+ return var->bits_per_pixel == color->bits_per_pixel &&
|
|
+ cmp_component(&var->red, &color->red) &&
|
|
+ cmp_component(&var->green, &color->green) &&
|
|
+ cmp_component(&var->blue, &color->blue) &&
|
|
+ cmp_component(&var->transp, &color->transp);
|
|
+}
|
|
+
|
|
+static void assign_colormode_to_var(struct fb_var_screeninfo *var,
|
|
+ struct omapfb_colormode *color)
|
|
+{
|
|
+ var->bits_per_pixel = color->bits_per_pixel;
|
|
+ var->nonstd = color->nonstd;
|
|
+ var->red = color->red;
|
|
+ var->green = color->green;
|
|
+ var->blue = color->blue;
|
|
+ var->transp = color->transp;
|
|
+}
|
|
+
|
|
+static enum omap_color_mode fb_mode_to_dss_mode(struct fb_var_screeninfo *var)
|
|
+{
|
|
+ enum omap_color_mode dssmode;
|
|
+ int i;
|
|
+
|
|
+ /* first match with nonstd field */
|
|
+ if (var->nonstd) {
|
|
+ for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
|
|
+ struct omapfb_colormode *mode = &omapfb_colormodes[i];
|
|
+ if (var->nonstd == mode->nonstd) {
|
|
+ assign_colormode_to_var(var, mode);
|
|
+ return mode->dssmode;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ /* then try exact match of bpp and colors */
|
|
+ for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
|
|
+ struct omapfb_colormode *mode = &omapfb_colormodes[i];
|
|
+ if (cmp_var_to_colormode(var, mode)) {
|
|
+ assign_colormode_to_var(var, mode);
|
|
+ return mode->dssmode;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* match with bpp if user has not filled color fields
|
|
+ * properly */
|
|
+ switch (var->bits_per_pixel) {
|
|
+ case 1:
|
|
+ dssmode = OMAP_DSS_COLOR_CLUT1;
|
|
+ break;
|
|
+ case 2:
|
|
+ dssmode = OMAP_DSS_COLOR_CLUT2;
|
|
+ break;
|
|
+ case 4:
|
|
+ dssmode = OMAP_DSS_COLOR_CLUT4;
|
|
+ break;
|
|
+ case 8:
|
|
+ dssmode = OMAP_DSS_COLOR_CLUT8;
|
|
+ break;
|
|
+ case 12:
|
|
+ dssmode = OMAP_DSS_COLOR_RGB12U;
|
|
+ break;
|
|
+ case 16:
|
|
+ dssmode = OMAP_DSS_COLOR_RGB16;
|
|
+ break;
|
|
+ case 24:
|
|
+ dssmode = OMAP_DSS_COLOR_RGB24P;
|
|
+ break;
|
|
+ case 32:
|
|
+ dssmode = OMAP_DSS_COLOR_RGB24U;
|
|
+ break;
|
|
+ default:
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < ARRAY_SIZE(omapfb_colormodes); ++i) {
|
|
+ struct omapfb_colormode *mode = &omapfb_colormodes[i];
|
|
+ if (dssmode == mode->dssmode) {
|
|
+ assign_colormode_to_var(var, mode);
|
|
+ return mode->dssmode;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+void set_fb_fix(struct fb_info *fbi)
|
|
+{
|
|
+ struct fb_fix_screeninfo *fix = &fbi->fix;
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_mem_region *rg = &ofbi->region;
|
|
+
|
|
+ DBG("set_fb_fix\n");
|
|
+
|
|
+ /* used by open/write in fbmem.c */
|
|
+ fbi->screen_base = (char __iomem *)omapfb_get_region_vaddr(ofbi);
|
|
+
|
|
+ /* used by mmap in fbmem.c */
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ fix->line_length =
|
|
+ (OMAP_VRFB_LINE_LEN * var->bits_per_pixel) >> 3;
|
|
+ else
|
|
+ fix->line_length =
|
|
+ (var->xres_virtual * var->bits_per_pixel) >> 3;
|
|
+ fix->smem_start = omapfb_get_region_paddr(ofbi);
|
|
+ fix->smem_len = rg->size;
|
|
+
|
|
+ fix->type = FB_TYPE_PACKED_PIXELS;
|
|
+
|
|
+ if (var->nonstd)
|
|
+ fix->visual = FB_VISUAL_PSEUDOCOLOR;
|
|
+ else {
|
|
+ switch (var->bits_per_pixel) {
|
|
+ case 32:
|
|
+ case 24:
|
|
+ case 16:
|
|
+ case 12:
|
|
+ fix->visual = FB_VISUAL_TRUECOLOR;
|
|
+ /* 12bpp is stored in 16 bits */
|
|
+ break;
|
|
+ case 1:
|
|
+ case 2:
|
|
+ case 4:
|
|
+ case 8:
|
|
+ fix->visual = FB_VISUAL_PSEUDOCOLOR;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ fix->accel = FB_ACCEL_NONE;
|
|
+
|
|
+ fix->xpanstep = 1;
|
|
+ fix->ypanstep = 1;
|
|
+
|
|
+ if (rg->size) {
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ omap_vrfb_setup(&rg->vrfb, rg->paddr,
|
|
+ var->xres_virtual, var->yres_virtual,
|
|
+ var->bits_per_pixel >> 3);
|
|
+ }
|
|
+}
|
|
+
|
|
+/* check new var and possibly modify it to be ok */
|
|
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+ unsigned long max_frame_size;
|
|
+ unsigned long line_size;
|
|
+ int xres_min, yres_min;
|
|
+ int xres_max, yres_max;
|
|
+ enum omap_color_mode mode = 0;
|
|
+ int i;
|
|
+ int bytespp;
|
|
+
|
|
+ DBG("check_fb_var %d\n", ofbi->id);
|
|
+
|
|
+ if (ofbi->region.size == 0)
|
|
+ return 0;
|
|
+
|
|
+ mode = fb_mode_to_dss_mode(var);
|
|
+ if (mode < 0) {
|
|
+ DBG("cannot convert var to omap dss mode\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < ofbi->num_overlays; ++i) {
|
|
+ if ((ofbi->overlays[i]->supported_modes & mode) == 0) {
|
|
+ DBG("invalid mode\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (var->rotate < 0 || var->rotate > 3)
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (var->rotate != fbi->var.rotate) {
|
|
+ DBG("rotation changing\n");
|
|
+
|
|
+ ofbi->rotation = var->rotate;
|
|
+
|
|
+ if (abs(var->rotate - fbi->var.rotate) != 2) {
|
|
+ int tmp;
|
|
+ DBG("rotate changing 90/270 degrees. "
|
|
+ "swapping x/y res\n");
|
|
+
|
|
+ tmp = var->yres;
|
|
+ var->yres = var->xres;
|
|
+ var->xres = tmp;
|
|
+
|
|
+ tmp = var->yres_virtual;
|
|
+ var->yres_virtual = var->xres_virtual;
|
|
+ var->xres_virtual = tmp;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ xres_min = OMAPFB_PLANE_XRES_MIN;
|
|
+ xres_max = 2048;
|
|
+ yres_min = OMAPFB_PLANE_YRES_MIN;
|
|
+ yres_max = 2048;
|
|
+
|
|
+ bytespp = var->bits_per_pixel >> 3;
|
|
+
|
|
+ /* XXX: some applications seem to set virtual res to 0. */
|
|
+ if (var->xres_virtual == 0)
|
|
+ var->xres_virtual = var->xres;
|
|
+
|
|
+ if (var->yres_virtual == 0)
|
|
+ var->yres_virtual = var->yres;
|
|
+
|
|
+ if (var->xres_virtual < xres_min || var->yres_virtual < yres_min)
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (var->xres < xres_min)
|
|
+ var->xres = xres_min;
|
|
+ if (var->yres < yres_min)
|
|
+ var->yres = yres_min;
|
|
+ if (var->xres > xres_max)
|
|
+ var->xres = xres_max;
|
|
+ if (var->yres > yres_max)
|
|
+ var->yres = yres_max;
|
|
+
|
|
+ if (var->xres > var->xres_virtual)
|
|
+ var->xres = var->xres_virtual;
|
|
+ if (var->yres > var->yres_virtual)
|
|
+ var->yres = var->yres_virtual;
|
|
+
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ line_size = OMAP_VRFB_LINE_LEN * bytespp;
|
|
+ else
|
|
+ line_size = var->xres_virtual * bytespp;
|
|
+
|
|
+ max_frame_size = ofbi->region.size;
|
|
+
|
|
+ DBG("max frame size %lu, line size %lu\n", max_frame_size, line_size);
|
|
+
|
|
+ if (line_size * var->yres_virtual > max_frame_size) {
|
|
+ DBG("can't fit FB into memory, reducing y\n");
|
|
+ var->yres_virtual = max_frame_size / line_size;
|
|
+
|
|
+ if (var->yres_virtual < yres_min)
|
|
+ var->yres_virtual = yres_min;
|
|
+
|
|
+ if (var->yres > var->yres_virtual)
|
|
+ var->yres = var->yres_virtual;
|
|
+ }
|
|
+
|
|
+ if (line_size * var->yres_virtual > max_frame_size) {
|
|
+ DBG("can't fit FB into memory, reducing x\n");
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB)
|
|
+ return -EINVAL;
|
|
+
|
|
+ var->xres_virtual = max_frame_size / var->yres_virtual /
|
|
+ bytespp;
|
|
+
|
|
+ if (var->xres_virtual < xres_min)
|
|
+ var->xres_virtual = xres_min;
|
|
+
|
|
+ if (var->xres > var->xres_virtual)
|
|
+ var->xres = var->xres_virtual;
|
|
+
|
|
+ line_size = var->xres_virtual * bytespp;
|
|
+ }
|
|
+
|
|
+ if (line_size * var->yres_virtual > max_frame_size) {
|
|
+ DBG("cannot fit FB to memory\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+
|
|
+ if (var->xres + var->xoffset > var->xres_virtual)
|
|
+ var->xoffset = var->xres_virtual - var->xres;
|
|
+ if (var->yres + var->yoffset > var->yres_virtual)
|
|
+ var->yoffset = var->yres_virtual - var->yres;
|
|
+
|
|
+ DBG("xres = %d, yres = %d, vxres = %d, vyres = %d\n",
|
|
+ var->xres, var->yres,
|
|
+ var->xres_virtual, var->yres_virtual);
|
|
+
|
|
+ var->height = -1;
|
|
+ var->width = -1;
|
|
+ var->grayscale = 0;
|
|
+
|
|
+ if (display && display->get_timings) {
|
|
+ struct omap_video_timings timings;
|
|
+ display->get_timings(display, &timings);
|
|
+
|
|
+ /* pixclock in ps, the rest in pixclock */
|
|
+ var->pixclock = timings.pixel_clock != 0 ?
|
|
+ KHZ2PICOS(timings.pixel_clock) :
|
|
+ 0;
|
|
+ var->left_margin = timings.hfp;
|
|
+ var->right_margin = timings.hbp;
|
|
+ var->upper_margin = timings.vfp;
|
|
+ var->lower_margin = timings.vbp;
|
|
+ var->hsync_len = timings.hsw;
|
|
+ var->vsync_len = timings.vsw;
|
|
+ } else {
|
|
+ var->pixclock = 0;
|
|
+ var->left_margin = 0;
|
|
+ var->right_margin = 0;
|
|
+ var->upper_margin = 0;
|
|
+ var->lower_margin = 0;
|
|
+ var->hsync_len = 0;
|
|
+ var->vsync_len = 0;
|
|
+ }
|
|
+
|
|
+ /* TODO: get these from panel->config */
|
|
+ var->vmode = FB_VMODE_NONINTERLACED;
|
|
+ var->sync = 0;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * ---------------------------------------------------------------------------
|
|
+ * fbdev framework callbacks
|
|
+ * ---------------------------------------------------------------------------
|
|
+ */
|
|
+static int omapfb_open(struct fb_info *fbi, int user)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_release(struct fb_info *fbi, int user)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+
|
|
+ DBG("Closing fb with plane index %d\n", ofbi->id);
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+#if 1
|
|
+ if (display && display->get_update_mode && display->update) {
|
|
+ /* XXX this update should be removed, I think. But it's
|
|
+ * good for debugging */
|
|
+ if (display->get_update_mode(display) ==
|
|
+ OMAP_DSS_UPDATE_MANUAL) {
|
|
+ u16 w, h;
|
|
+
|
|
+ if (display->sync)
|
|
+ display->sync(display);
|
|
+
|
|
+ display->get_resolution(display, &w, &h);
|
|
+ display->update(display, 0, 0, w, h);
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ if (display && display->sync)
|
|
+ display->sync(display);
|
|
+
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* setup overlay according to the fb */
|
|
+static int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
|
|
+ u16 posx, u16 posy, u16 outw, u16 outh)
|
|
+{
|
|
+ int r = 0;
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ struct fb_fix_screeninfo *fix = &fbi->fix;
|
|
+ enum omap_color_mode mode = 0;
|
|
+ int offset;
|
|
+ u32 data_start_p;
|
|
+ void __iomem *data_start_v;
|
|
+ struct omap_overlay_info info;
|
|
+ int xres, yres;
|
|
+ int screen_width;
|
|
+ int rot, mirror;
|
|
+
|
|
+ DBG("setup_overlay %d, posx %d, posy %d, outw %d, outh %d\n", ofbi->id,
|
|
+ posx, posy, outw, outh);
|
|
+
|
|
+ if (ofbi->rotation == FB_ROTATE_CW || ofbi->rotation == FB_ROTATE_CCW) {
|
|
+ xres = var->yres;
|
|
+ yres = var->xres;
|
|
+ } else {
|
|
+ xres = var->xres;
|
|
+ yres = var->yres;
|
|
+ }
|
|
+
|
|
+ offset = ((var->yoffset * var->xres_virtual +
|
|
+ var->xoffset) * var->bits_per_pixel) >> 3;
|
|
+
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB) {
|
|
+ data_start_p = omapfb_get_region_rot_paddr(ofbi);
|
|
+ data_start_v = NULL;
|
|
+ } else {
|
|
+ data_start_p = omapfb_get_region_paddr(ofbi);
|
|
+ data_start_v = omapfb_get_region_vaddr(ofbi);
|
|
+ }
|
|
+
|
|
+ data_start_p += offset;
|
|
+ data_start_v += offset;
|
|
+
|
|
+ mode = fb_mode_to_dss_mode(var);
|
|
+
|
|
+ if (mode == -EINVAL) {
|
|
+ DBG("fb_mode_to_dss_mode failed");
|
|
+ r = -EINVAL;
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ screen_width = fix->line_length / (var->bits_per_pixel >> 3);
|
|
+
|
|
+ ovl->get_overlay_info(ovl, &info);
|
|
+
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB) {
|
|
+ rot = 0;
|
|
+ mirror = 0;
|
|
+ } else {
|
|
+ rot = ofbi->rotation;
|
|
+ mirror = ofbi->mirror;
|
|
+ }
|
|
+
|
|
+ info.paddr = data_start_p;
|
|
+ info.vaddr = data_start_v;
|
|
+ info.screen_width = screen_width;
|
|
+ info.width = xres;
|
|
+ info.height = yres;
|
|
+ info.color_mode = mode;
|
|
+ info.rotation = rot;
|
|
+ info.mirror = mirror;
|
|
+
|
|
+ info.pos_x = posx;
|
|
+ info.pos_y = posy;
|
|
+ info.out_width = outw;
|
|
+ info.out_height = outh;
|
|
+
|
|
+ r = ovl->set_overlay_info(ovl, &info);
|
|
+ if (r) {
|
|
+ DBG("ovl->setup_overlay_info failed\n");
|
|
+ goto err;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+
|
|
+err:
|
|
+ DBG("setup_overlay failed\n");
|
|
+ return r;
|
|
+}
|
|
+
|
|
+/* apply var to the overlay */
|
|
+int omapfb_apply_changes(struct fb_info *fbi, int init)
|
|
+{
|
|
+ int r = 0;
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ struct omap_overlay *ovl;
|
|
+ u16 posx, posy;
|
|
+ u16 outw, outh;
|
|
+ int i;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ if (omapfb_test_pattern)
|
|
+ fill_fb(fbi);
|
|
+#endif
|
|
+
|
|
+ for (i = 0; i < ofbi->num_overlays; i++) {
|
|
+ ovl = ofbi->overlays[i];
|
|
+
|
|
+ DBG("apply_changes, fb %d, ovl %d\n", ofbi->id, ovl->id);
|
|
+
|
|
+ if (ofbi->region.size == 0) {
|
|
+ /* the fb is not available. disable the overlay */
|
|
+ omapfb_overlay_enable(ovl, 0);
|
|
+ if (!init && ovl->manager)
|
|
+ ovl->manager->apply(ovl->manager);
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ if (init || (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
|
|
+ if (ofbi->rotation == FB_ROTATE_CW ||
|
|
+ ofbi->rotation == FB_ROTATE_CCW) {
|
|
+ outw = var->yres;
|
|
+ outh = var->xres;
|
|
+ } else {
|
|
+ outw = var->xres;
|
|
+ outh = var->yres;
|
|
+ }
|
|
+ } else {
|
|
+ outw = ovl->info.out_width;
|
|
+ outh = ovl->info.out_height;
|
|
+ }
|
|
+
|
|
+ if (init) {
|
|
+ posx = 0;
|
|
+ posy = 0;
|
|
+ } else {
|
|
+ posx = ovl->info.pos_x;
|
|
+ posy = ovl->info.pos_y;
|
|
+ }
|
|
+
|
|
+ r = omapfb_setup_overlay(fbi, ovl, posx, posy, outw, outh);
|
|
+ if (r)
|
|
+ goto err;
|
|
+
|
|
+ if (!init && ovl->manager)
|
|
+ ovl->manager->apply(ovl->manager);
|
|
+ }
|
|
+ return 0;
|
|
+err:
|
|
+ DBG("apply_changes failed\n");
|
|
+ return r;
|
|
+}
|
|
+
|
|
+/* checks var and eventually tweaks it to something supported,
|
|
+ * DO NOT MODIFY PAR */
|
|
+static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi)
|
|
+{
|
|
+ int r;
|
|
+
|
|
+ DBG("check_var(%d)\n", FB2OFB(fbi)->id);
|
|
+
|
|
+ r = check_fb_var(fbi, var);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+/* set the video mode according to info->var */
|
|
+static int omapfb_set_par(struct fb_info *fbi)
|
|
+{
|
|
+ int r;
|
|
+
|
|
+ DBG("set_par(%d)\n", FB2OFB(fbi)->id);
|
|
+
|
|
+ set_fb_fix(fbi);
|
|
+ r = omapfb_apply_changes(fbi, 0);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_pan_display(struct fb_var_screeninfo *var,
|
|
+ struct fb_info *fbi)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ int r = 0;
|
|
+
|
|
+ DBG("pan_display(%d)\n", ofbi->id);
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ if (var->xoffset != fbi->var.xoffset ||
|
|
+ var->yoffset != fbi->var.yoffset) {
|
|
+ struct fb_var_screeninfo new_var;
|
|
+
|
|
+ new_var = fbi->var;
|
|
+ new_var.xoffset = var->xoffset;
|
|
+ new_var.yoffset = var->yoffset;
|
|
+
|
|
+ r = check_fb_var(fbi, &new_var);
|
|
+
|
|
+ if (r == 0) {
|
|
+ fbi->var = new_var;
|
|
+ set_fb_fix(fbi);
|
|
+ r = omapfb_apply_changes(fbi, 0);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static void mmap_user_open(struct vm_area_struct *vma)
|
|
+{
|
|
+ struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
|
|
+
|
|
+ atomic_inc(&ofbi->map_count);
|
|
+}
|
|
+
|
|
+static void mmap_user_close(struct vm_area_struct *vma)
|
|
+{
|
|
+ struct omapfb_info *ofbi = (struct omapfb_info *)vma->vm_private_data;
|
|
+
|
|
+ atomic_dec(&ofbi->map_count);
|
|
+}
|
|
+
|
|
+static struct vm_operations_struct mmap_user_ops = {
|
|
+ .open = mmap_user_open,
|
|
+ .close = mmap_user_close,
|
|
+};
|
|
+
|
|
+static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct fb_fix_screeninfo *fix = &fbi->fix;
|
|
+ unsigned long off;
|
|
+ unsigned long start;
|
|
+ u32 len;
|
|
+
|
|
+ if (vma->vm_end - vma->vm_start == 0)
|
|
+ return 0;
|
|
+ if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
|
|
+ return -EINVAL;
|
|
+ off = vma->vm_pgoff << PAGE_SHIFT;
|
|
+
|
|
+ start = omapfb_get_region_paddr(ofbi);
|
|
+ len = fix->smem_len;
|
|
+ if (off >= len)
|
|
+ return -EINVAL;
|
|
+ if ((vma->vm_end - vma->vm_start + off) > len)
|
|
+ return -EINVAL;
|
|
+
|
|
+ off += start;
|
|
+
|
|
+ DBG("user mmap region start %lx, len %d, off %lx\n", start, len, off);
|
|
+
|
|
+ vma->vm_pgoff = off >> PAGE_SHIFT;
|
|
+ vma->vm_flags |= VM_IO | VM_RESERVED;
|
|
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
|
|
+ vma->vm_ops = &mmap_user_ops;
|
|
+ vma->vm_private_data = ofbi;
|
|
+ if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
|
|
+ vma->vm_end - vma->vm_start, vma->vm_page_prot))
|
|
+ return -EAGAIN;
|
|
+ /* vm_ops.open won't be called for mmap itself. */
|
|
+ atomic_inc(&ofbi->map_count);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* Store a single color palette entry into a pseudo palette or the hardware
|
|
+ * palette if one is available. For now we support only 16bpp and thus store
|
|
+ * the entry only to the pseudo palette.
|
|
+ */
|
|
+static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
|
|
+ u_int blue, u_int transp, int update_hw_pal)
|
|
+{
|
|
+ /*struct omapfb_info *ofbi = FB2OFB(fbi);*/
|
|
+ /*struct omapfb2_device *fbdev = ofbi->fbdev;*/
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ int r = 0;
|
|
+
|
|
+ enum omapfb_color_format mode = OMAPFB_COLOR_RGB24U; /* XXX */
|
|
+
|
|
+ /*switch (plane->color_mode) {*/
|
|
+ switch (mode) {
|
|
+ case OMAPFB_COLOR_YUV422:
|
|
+ case OMAPFB_COLOR_YUV420:
|
|
+ case OMAPFB_COLOR_YUY422:
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ case OMAPFB_COLOR_CLUT_8BPP:
|
|
+ case OMAPFB_COLOR_CLUT_4BPP:
|
|
+ case OMAPFB_COLOR_CLUT_2BPP:
|
|
+ case OMAPFB_COLOR_CLUT_1BPP:
|
|
+ /*
|
|
+ if (fbdev->ctrl->setcolreg)
|
|
+ r = fbdev->ctrl->setcolreg(regno, red, green, blue,
|
|
+ transp, update_hw_pal);
|
|
+ */
|
|
+ /* Fallthrough */
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ case OMAPFB_COLOR_RGB565:
|
|
+ case OMAPFB_COLOR_RGB444:
|
|
+ case OMAPFB_COLOR_RGB24P:
|
|
+ case OMAPFB_COLOR_RGB24U:
|
|
+ if (r != 0)
|
|
+ break;
|
|
+
|
|
+ if (regno < 0) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (regno < 16) {
|
|
+ u16 pal;
|
|
+ pal = ((red >> (16 - var->red.length)) <<
|
|
+ var->red.offset) |
|
|
+ ((green >> (16 - var->green.length)) <<
|
|
+ var->green.offset) |
|
|
+ (blue >> (16 - var->blue.length));
|
|
+ ((u32 *)(fbi->pseudo_palette))[regno] = pal;
|
|
+ }
|
|
+ break;
|
|
+ default:
|
|
+ BUG();
|
|
+ }
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
|
|
+ u_int transp, struct fb_info *info)
|
|
+{
|
|
+ DBG("setcolreg\n");
|
|
+
|
|
+ return _setcolreg(info, regno, red, green, blue, transp, 1);
|
|
+}
|
|
+
|
|
+static int omapfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
|
|
+{
|
|
+ int count, index, r;
|
|
+ u16 *red, *green, *blue, *transp;
|
|
+ u16 trans = 0xffff;
|
|
+
|
|
+ DBG("setcmap\n");
|
|
+
|
|
+ red = cmap->red;
|
|
+ green = cmap->green;
|
|
+ blue = cmap->blue;
|
|
+ transp = cmap->transp;
|
|
+ index = cmap->start;
|
|
+
|
|
+ for (count = 0; count < cmap->len; count++) {
|
|
+ if (transp)
|
|
+ trans = *transp++;
|
|
+ r = _setcolreg(info, index++, *red++, *green++, *blue++, trans,
|
|
+ count == cmap->len - 1);
|
|
+ if (r != 0)
|
|
+ return r;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_blank(int blank, struct fb_info *fbi)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+ int do_update = 0;
|
|
+ int r = 0;
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ switch (blank) {
|
|
+ case FB_BLANK_UNBLANK:
|
|
+ if (display->state != OMAP_DSS_DISPLAY_SUSPENDED)
|
|
+ goto exit;
|
|
+
|
|
+ if (display->resume)
|
|
+ r = display->resume(display);
|
|
+
|
|
+ if (r == 0 && display->get_update_mode &&
|
|
+ display->get_update_mode(display) ==
|
|
+ OMAP_DSS_UPDATE_MANUAL)
|
|
+ do_update = 1;
|
|
+
|
|
+ break;
|
|
+
|
|
+ case FB_BLANK_NORMAL:
|
|
+ /* FB_BLANK_NORMAL could be implemented.
|
|
+ * Needs DSS additions. */
|
|
+ case FB_BLANK_VSYNC_SUSPEND:
|
|
+ case FB_BLANK_HSYNC_SUSPEND:
|
|
+ case FB_BLANK_POWERDOWN:
|
|
+ if (display->state != OMAP_DSS_DISPLAY_ACTIVE)
|
|
+ goto exit;
|
|
+
|
|
+ if (display->suspend)
|
|
+ r = display->suspend(display);
|
|
+
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ r = -EINVAL;
|
|
+ }
|
|
+
|
|
+exit:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ if (r == 0 && do_update && display->update) {
|
|
+ u16 w, h;
|
|
+ display->get_resolution(display, &w, &h);
|
|
+
|
|
+ r = display->update(display, 0, 0, w, h);
|
|
+ }
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+#if 0
|
|
+/* XXX fb_read and fb_write are needed for VRFB */
|
|
+ssize_t omapfb_write(struct fb_info *info, const char __user *buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ DBG("omapfb_write %d, %lu\n", count, (unsigned long)*ppos);
|
|
+ // XXX needed for VRFB
|
|
+ return count;
|
|
+}
|
|
+#endif
|
|
+
|
|
+static struct fb_ops omapfb_ops = {
|
|
+ .owner = THIS_MODULE,
|
|
+ .fb_open = omapfb_open,
|
|
+ .fb_release = omapfb_release,
|
|
+ .fb_fillrect = cfb_fillrect,
|
|
+ .fb_copyarea = cfb_copyarea,
|
|
+ .fb_imageblit = cfb_imageblit,
|
|
+ .fb_blank = omapfb_blank,
|
|
+ .fb_ioctl = omapfb_ioctl,
|
|
+ .fb_check_var = omapfb_check_var,
|
|
+ .fb_set_par = omapfb_set_par,
|
|
+ .fb_pan_display = omapfb_pan_display,
|
|
+ .fb_mmap = omapfb_mmap,
|
|
+ .fb_setcolreg = omapfb_setcolreg,
|
|
+ .fb_setcmap = omapfb_setcmap,
|
|
+ //.fb_write = omapfb_write,
|
|
+};
|
|
+
|
|
+static void omapfb_free_fbmem(struct fb_info *fbi)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omapfb2_mem_region *rg;
|
|
+
|
|
+ rg = &ofbi->region;
|
|
+
|
|
+ if (rg->paddr)
|
|
+ if (omap_vram_free(rg->paddr, rg->size))
|
|
+ dev_err(fbdev->dev, "VRAM FREE failed\n");
|
|
+
|
|
+ if (rg->vaddr)
|
|
+ iounmap(rg->vaddr);
|
|
+
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB) {
|
|
+ /* unmap the 0 angle rotation */
|
|
+ if (rg->vrfb.vaddr[0]) {
|
|
+ iounmap(rg->vrfb.vaddr[0]);
|
|
+ omap_vrfb_release_ctx(&rg->vrfb);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ rg->vaddr = NULL;
|
|
+ rg->paddr = 0;
|
|
+ rg->alloc = 0;
|
|
+ rg->size = 0;
|
|
+}
|
|
+
|
|
+static int omapfb_free_all_fbmem(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ DBG("free all fbmem\n");
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ struct fb_info *fbi = fbdev->fbs[i];
|
|
+ omapfb_free_fbmem(fbi);
|
|
+ memset(&fbi->fix, 0, sizeof(fbi->fix));
|
|
+ memset(&fbi->var, 0, sizeof(fbi->var));
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_alloc_fbmem(struct fb_info *fbi, unsigned long size,
|
|
+ unsigned long paddr)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omapfb2_mem_region *rg;
|
|
+ void __iomem *vaddr;
|
|
+ int r;
|
|
+ int clear = 0;
|
|
+
|
|
+ rg = &ofbi->region;
|
|
+ memset(rg, 0, sizeof(*rg));
|
|
+
|
|
+ size = PAGE_ALIGN(size);
|
|
+
|
|
+ if (!paddr) {
|
|
+ DBG("allocating %lu bytes for fb %d\n", size, ofbi->id);
|
|
+ r = omap_vram_alloc(OMAPFB_MEMTYPE_SDRAM, size, &paddr);
|
|
+ clear = 1;
|
|
+ } else {
|
|
+ DBG("reserving %lu bytes at %lx for fb %d\n", size, paddr,
|
|
+ ofbi->id);
|
|
+ r = omap_vram_reserve(paddr, size);
|
|
+ }
|
|
+
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to allocate framebuffer\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ if (ofbi->rotation_type != OMAPFB_ROT_VRFB) {
|
|
+ vaddr = ioremap_wc(paddr, size);
|
|
+
|
|
+ if (!vaddr) {
|
|
+ dev_err(fbdev->dev, "failed to ioremap framebuffer\n");
|
|
+ omap_vram_free(paddr, size);
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ DBG("allocated VRAM paddr %lx, vaddr %p\n", paddr, vaddr);
|
|
+
|
|
+ if (clear)
|
|
+ memset_io(vaddr, 0, size);
|
|
+ } else {
|
|
+ void __iomem *va;
|
|
+
|
|
+ r = omap_vrfb_request_ctx(&rg->vrfb);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "vrfb create ctx failed\n");
|
|
+ return r;
|
|
+ }
|
|
+
|
|
+ /* only ioremap the 0 angle view */
|
|
+ va = ioremap_wc(rg->vrfb.paddr[0], size);
|
|
+
|
|
+ if(!va) {
|
|
+ printk(KERN_ERR "vrfb: ioremap failed\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ DBG("ioremapped vrfb area 0 to %p\n", va);
|
|
+
|
|
+ rg->vrfb.vaddr[0] = va;
|
|
+
|
|
+ vaddr = NULL;
|
|
+
|
|
+ if (clear)
|
|
+ memset_io(va, 0, size);
|
|
+ }
|
|
+
|
|
+ rg->paddr = paddr;
|
|
+ rg->vaddr = vaddr;
|
|
+ rg->size = size;
|
|
+ rg->alloc = 1;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/* allocate fbmem using display resolution as reference */
|
|
+static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
|
|
+ unsigned long paddr)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omap_display *display;
|
|
+ int bytespp;
|
|
+
|
|
+ display = fb2display(fbi);
|
|
+
|
|
+ if (!display)
|
|
+ return 0;
|
|
+
|
|
+ switch (display->get_recommended_bpp(display)) {
|
|
+ case 16:
|
|
+ bytespp = 2;
|
|
+ break;
|
|
+ case 24:
|
|
+ bytespp = 4;
|
|
+ break;
|
|
+ default:
|
|
+ bytespp = 4;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ if (!size) {
|
|
+ u16 w, h;
|
|
+
|
|
+ display->get_resolution(display, &w, &h);
|
|
+
|
|
+ if (ofbi->rotation_type == OMAPFB_ROT_VRFB) {
|
|
+ int oldw = w, oldh = h;
|
|
+
|
|
+ omap_vrfb_adjust_size(&w, &h, bytespp);
|
|
+
|
|
+ /* Because we change the resolution of the 0 degree view,
|
|
+ * we need to alloc max(w, h) for height */
|
|
+ h = max(w, h);
|
|
+ w = OMAP_VRFB_LINE_LEN;
|
|
+
|
|
+ DBG("adjusting fb mem size for VRFB, %dx%d -> %dx%d\n",
|
|
+ oldw, oldh, w, h);
|
|
+ }
|
|
+
|
|
+ size = w * h * bytespp;
|
|
+ }
|
|
+
|
|
+ return omapfb_alloc_fbmem(fbi, size, paddr);
|
|
+}
|
|
+
|
|
+static int omapfb_parse_vram_param(const char *param, int max_entries,
|
|
+ unsigned long *sizes, unsigned long *paddrs)
|
|
+{
|
|
+ int fbnum;
|
|
+ unsigned long size;
|
|
+ unsigned long paddr = 0;
|
|
+ char *p, *start;
|
|
+
|
|
+ start = (char *)param;
|
|
+
|
|
+ while (1) {
|
|
+ p = start;
|
|
+
|
|
+ fbnum = simple_strtoul(p, &p, 10);
|
|
+
|
|
+ if (p == param)
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (*p != ':')
|
|
+ return -EINVAL;
|
|
+
|
|
+ if (fbnum >= max_entries)
|
|
+ return -EINVAL;
|
|
+
|
|
+ size = memparse(p + 1, &p);
|
|
+
|
|
+ if (!size)
|
|
+ return -EINVAL;
|
|
+
|
|
+ paddr = 0;
|
|
+
|
|
+ if (*p == '@') {
|
|
+ paddr = simple_strtoul(p + 1, &p, 16);
|
|
+
|
|
+ if (!paddr)
|
|
+ return -EINVAL;
|
|
+
|
|
+ }
|
|
+
|
|
+ paddrs[fbnum] = paddr;
|
|
+ sizes[fbnum] = size;
|
|
+
|
|
+ if (*p == 0)
|
|
+ break;
|
|
+
|
|
+ if (*p != ',')
|
|
+ return -EINVAL;
|
|
+
|
|
+ ++p;
|
|
+
|
|
+ start = p;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_allocate_all_fbs(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int i, r;
|
|
+ unsigned long vram_sizes[10];
|
|
+ unsigned long vram_paddrs[10];
|
|
+
|
|
+ memset(&vram_sizes, 0, sizeof(vram_sizes));
|
|
+ memset(&vram_paddrs, 0, sizeof(vram_paddrs));
|
|
+
|
|
+ if (def_vram && omapfb_parse_vram_param(def_vram, 10,
|
|
+ vram_sizes, vram_paddrs)) {
|
|
+ dev_err(fbdev->dev, "failed to parse vram parameter\n");
|
|
+
|
|
+ memset(&vram_sizes, 0, sizeof(vram_sizes));
|
|
+ memset(&vram_paddrs, 0, sizeof(vram_paddrs));
|
|
+ }
|
|
+
|
|
+ if (fbdev->dev->platform_data) {
|
|
+ struct omapfb_platform_data *opd;
|
|
+ opd = fbdev->dev->platform_data;
|
|
+ for (i = 0; i < opd->mem_desc.region_cnt; ++i) {
|
|
+ if (!vram_sizes[i]) {
|
|
+ unsigned long size;
|
|
+ unsigned long paddr;
|
|
+
|
|
+ size = opd->mem_desc.region[i].size;
|
|
+ paddr = opd->mem_desc.region[i].paddr;
|
|
+
|
|
+ vram_sizes[i] = size;
|
|
+ vram_paddrs[i] = paddr;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ /* allocate memory automatically only for fb0, or if
|
|
+ * excplicitly defined with vram or plat data option */
|
|
+ if (i == 0 || vram_sizes[i] != 0) {
|
|
+ r = omapfb_alloc_fbmem_display(fbdev->fbs[i],
|
|
+ vram_sizes[i], vram_paddrs[i]);
|
|
+
|
|
+ if (r)
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
|
|
+ struct omapfb2_mem_region *rg;
|
|
+ rg = &ofbi->region;
|
|
+
|
|
+ DBG("region%d phys %08x virt %p size=%lu\n",
|
|
+ i,
|
|
+ rg->paddr,
|
|
+ rg->vaddr,
|
|
+ rg->size);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+ struct omapfb2_mem_region *rg = &ofbi->region;
|
|
+ unsigned long old_size = rg->size;
|
|
+ unsigned long old_paddr = rg->paddr;
|
|
+ int old_type = rg->type;
|
|
+ int r;
|
|
+
|
|
+ if (type > OMAPFB_MEMTYPE_MAX)
|
|
+ return -EINVAL;
|
|
+
|
|
+ size = PAGE_ALIGN(size);
|
|
+
|
|
+ if (old_size == size && old_type == type)
|
|
+ return 0;
|
|
+
|
|
+ if (display && display->sync)
|
|
+ display->sync(display);
|
|
+
|
|
+ omapfb_free_fbmem(fbi);
|
|
+
|
|
+ if (size == 0) {
|
|
+ memset(&fbi->fix, 0, sizeof(fbi->fix));
|
|
+ memset(&fbi->var, 0, sizeof(fbi->var));
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ r = omapfb_alloc_fbmem(fbi, size, 0);
|
|
+
|
|
+ if (r) {
|
|
+ if (old_size)
|
|
+ omapfb_alloc_fbmem(fbi, old_size, old_paddr);
|
|
+
|
|
+ if (rg->size == 0) {
|
|
+ memset(&fbi->fix, 0, sizeof(fbi->fix));
|
|
+ memset(&fbi->var, 0, sizeof(fbi->var));
|
|
+ }
|
|
+
|
|
+ return r;
|
|
+ }
|
|
+
|
|
+ if (old_size == size)
|
|
+ return 0;
|
|
+
|
|
+ if (old_size == 0) {
|
|
+ DBG("initializing fb %d\n", ofbi->id);
|
|
+ r = omapfb_fb_init(fbdev, fbi);
|
|
+ if (r) {
|
|
+ DBG("omapfb_fb_init failed\n");
|
|
+ goto err;
|
|
+ }
|
|
+ r = omapfb_apply_changes(fbi, 1);
|
|
+ if (r) {
|
|
+ DBG("omapfb_apply_changes failed\n");
|
|
+ goto err;
|
|
+ }
|
|
+ } else {
|
|
+ struct fb_var_screeninfo new_var;
|
|
+ memcpy(&new_var, &fbi->var, sizeof(new_var));
|
|
+ r = check_fb_var(fbi, &new_var);
|
|
+ if (r)
|
|
+ goto err;
|
|
+ memcpy(&fbi->var, &new_var, sizeof(fbi->var));
|
|
+ set_fb_fix(fbi);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+err:
|
|
+ omapfb_free_fbmem(fbi);
|
|
+ memset(&fbi->fix, 0, sizeof(fbi->fix));
|
|
+ memset(&fbi->var, 0, sizeof(fbi->var));
|
|
+ return r;
|
|
+}
|
|
+
|
|
+/* initialize fb_info, var, fix to something sane based on the display */
|
|
+int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
|
|
+{
|
|
+ struct fb_var_screeninfo *var = &fbi->var;
|
|
+ struct fb_fix_screeninfo *fix = &fbi->fix;
|
|
+ struct omap_display *display = fb2display(fbi);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ int r = 0;
|
|
+
|
|
+ fbi->fbops = &omapfb_ops;
|
|
+ fbi->flags = FBINFO_FLAG_DEFAULT;
|
|
+ fbi->pseudo_palette = fbdev->pseudo_palette;
|
|
+
|
|
+ strncpy(fix->id, MODULE_NAME, sizeof(fix->id));
|
|
+
|
|
+ if (ofbi->region.size == 0) {
|
|
+ memset(&fbi->fix, 0, sizeof(fbi->fix));
|
|
+ memset(&fbi->var, 0, sizeof(fbi->var));
|
|
+ return 0;
|
|
+ }
|
|
+
|
|
+ var->nonstd = 0;
|
|
+
|
|
+ var->rotate = ofbi->rotation;
|
|
+
|
|
+ if (display) {
|
|
+ u16 w, h;
|
|
+ display->get_resolution(display, &w, &h);
|
|
+
|
|
+ if (ofbi->rotation == FB_ROTATE_CW ||
|
|
+ ofbi->rotation == FB_ROTATE_CCW) {
|
|
+ var->xres = h;
|
|
+ var->yres = w;
|
|
+ } else {
|
|
+ var->xres = w;
|
|
+ var->yres = h;
|
|
+ }
|
|
+
|
|
+ var->xres_virtual = var->xres;
|
|
+ var->yres_virtual = var->yres;
|
|
+
|
|
+ switch (display->get_recommended_bpp(display)) {
|
|
+ case 16:
|
|
+ var->bits_per_pixel = 16;
|
|
+ break;
|
|
+ case 24:
|
|
+ var->bits_per_pixel = 32;
|
|
+ break;
|
|
+ default:
|
|
+ dev_err(fbdev->dev, "illegal display bpp\n");
|
|
+ return -EINVAL;
|
|
+ }
|
|
+ } else {
|
|
+ /* if there's no display, let's just guess some basic values */
|
|
+ var->xres = 320;
|
|
+ var->yres = 240;
|
|
+ var->xres_virtual = var->xres;
|
|
+ var->yres_virtual = var->yres;
|
|
+ var->bits_per_pixel = 16;
|
|
+ }
|
|
+
|
|
+ r = check_fb_var(fbi, var);
|
|
+ if (r)
|
|
+ goto err;
|
|
+
|
|
+ set_fb_fix(fbi);
|
|
+err:
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static void fbinfo_cleanup(struct omapfb2_device *fbdev, struct fb_info *fbi)
|
|
+{
|
|
+ fb_dealloc_cmap(&fbi->cmap);
|
|
+}
|
|
+
|
|
+
|
|
+static void omapfb_free_resources(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ DBG("free_resources\n");
|
|
+
|
|
+ if (fbdev == NULL)
|
|
+ return;
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++)
|
|
+ unregister_framebuffer(fbdev->fbs[i]);
|
|
+
|
|
+ /* free the reserved fbmem */
|
|
+ omapfb_free_all_fbmem(fbdev);
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ fbinfo_cleanup(fbdev, fbdev->fbs[i]);
|
|
+ framebuffer_release(fbdev->fbs[i]);
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < fbdev->num_displays; i++) {
|
|
+ if (fbdev->displays[i]->state != OMAP_DSS_DISPLAY_DISABLED)
|
|
+ fbdev->displays[i]->disable(fbdev->displays[i]);
|
|
+
|
|
+ omap_dss_put_display(fbdev->displays[i]);
|
|
+ }
|
|
+
|
|
+ dev_set_drvdata(fbdev->dev, NULL);
|
|
+ kfree(fbdev);
|
|
+}
|
|
+
|
|
+static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int r, i;
|
|
+
|
|
+ fbdev->num_fbs = 0;
|
|
+
|
|
+ DBG("create %d framebuffers\n", CONFIG_FB_OMAP2_NUM_FBS);
|
|
+
|
|
+ /* allocate fb_infos */
|
|
+ for (i = 0; i < CONFIG_FB_OMAP2_NUM_FBS; i++) {
|
|
+ struct fb_info *fbi;
|
|
+ struct omapfb_info *ofbi;
|
|
+
|
|
+ fbi = framebuffer_alloc(sizeof(struct omapfb_info),
|
|
+ fbdev->dev);
|
|
+
|
|
+ if (fbi == NULL) {
|
|
+ dev_err(fbdev->dev,
|
|
+ "unable to allocate memory for plane info\n");
|
|
+ return -ENOMEM;
|
|
+ }
|
|
+
|
|
+ fbdev->fbs[i] = fbi;
|
|
+
|
|
+ ofbi = FB2OFB(fbi);
|
|
+ ofbi->fbdev = fbdev;
|
|
+ ofbi->id = i;
|
|
+
|
|
+ /* assign these early, so that fb alloc can use them */
|
|
+ ofbi->rotation_type = def_vrfb ? OMAPFB_ROT_VRFB :
|
|
+ OMAPFB_ROT_DMA;
|
|
+ ofbi->rotation = def_rotate;
|
|
+ ofbi->mirror = def_mirror;
|
|
+
|
|
+ fbdev->num_fbs++;
|
|
+ }
|
|
+
|
|
+ DBG("fb_infos allocated\n");
|
|
+
|
|
+ /* assign overlays for the fbs */
|
|
+ for (i = 0; i < min(fbdev->num_fbs, fbdev->num_overlays); i++) {
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
|
|
+
|
|
+ ofbi->overlays[0] = fbdev->overlays[i];
|
|
+ ofbi->num_overlays = 1;
|
|
+ }
|
|
+
|
|
+ /* allocate fb memories */
|
|
+ r = omapfb_allocate_all_fbs(fbdev);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to allocate fbmem\n");
|
|
+ return r;
|
|
+ }
|
|
+
|
|
+ DBG("fbmems allocated\n");
|
|
+
|
|
+ /* setup fb_infos */
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ r = omapfb_fb_init(fbdev, fbdev->fbs[i]);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to setup fb_info\n");
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("fb_infos initialized\n");
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ r = register_framebuffer(fbdev->fbs[i]);
|
|
+ if (r != 0) {
|
|
+ dev_err(fbdev->dev,
|
|
+ "registering framebuffer %d failed\n", i);
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("framebuffers registered\n");
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ r = omapfb_apply_changes(fbdev->fbs[i], 1);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to change mode\n");
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("create sysfs for fbs\n");
|
|
+ r = omapfb_create_sysfs(fbdev);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to create sysfs entries\n");
|
|
+ return r;
|
|
+ }
|
|
+
|
|
+ /* Enable fb0 */
|
|
+ if (fbdev->num_fbs > 0) {
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[0]);
|
|
+
|
|
+ if (ofbi->num_overlays > 0 ) {
|
|
+ struct omap_overlay *ovl = ofbi->overlays[0];
|
|
+
|
|
+ r = omapfb_overlay_enable(ovl, 1);
|
|
+
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev,
|
|
+ "failed to enable overlay\n");
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("create_framebuffers done\n");
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int omapfb_mode_to_timings(const char *mode_str,
|
|
+ struct omap_video_timings *timings, u8 *bpp)
|
|
+{
|
|
+ struct fb_info fbi;
|
|
+ struct fb_var_screeninfo var;
|
|
+ struct fb_ops fbops;
|
|
+ int r;
|
|
+
|
|
+#ifdef CONFIG_OMAP2_DSS_VENC
|
|
+ if (strcmp(mode_str, "pal") == 0) {
|
|
+ *timings = omap_dss_pal_timings;
|
|
+ *bpp = 0;
|
|
+ return 0;
|
|
+ } else if (strcmp(mode_str, "ntsc") == 0) {
|
|
+ *timings = omap_dss_ntsc_timings;
|
|
+ *bpp = 0;
|
|
+ return 0;
|
|
+ }
|
|
+#endif
|
|
+
|
|
+ /* this is quite a hack, but I wanted to use the modedb and for
|
|
+ * that we need fb_info and var, so we create dummy ones */
|
|
+
|
|
+ memset(&fbi, 0, sizeof(fbi));
|
|
+ memset(&var, 0, sizeof(var));
|
|
+ memset(&fbops, 0, sizeof(fbops));
|
|
+ fbi.fbops = &fbops;
|
|
+
|
|
+ r = fb_find_mode(&var, &fbi, mode_str, NULL, 0, NULL, 24);
|
|
+
|
|
+ if (r != 0) {
|
|
+ timings->pixel_clock = PICOS2KHZ(var.pixclock);
|
|
+ timings->hfp = var.left_margin;
|
|
+ timings->hbp = var.right_margin;
|
|
+ timings->vfp = var.upper_margin;
|
|
+ timings->vbp = var.lower_margin;
|
|
+ timings->hsw = var.hsync_len;
|
|
+ timings->vsw = var.vsync_len;
|
|
+ timings->x_res = var.xres;
|
|
+ timings->y_res = var.yres;
|
|
+
|
|
+ switch (var.bits_per_pixel) {
|
|
+ case 16:
|
|
+ *bpp = 16;
|
|
+ break;
|
|
+ case 24:
|
|
+ case 32:
|
|
+ default:
|
|
+ *bpp = 24;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+ } else {
|
|
+ return -EINVAL;
|
|
+ }
|
|
+}
|
|
+
|
|
+static int omapfb_set_def_mode(struct omap_display *display, char *mode_str)
|
|
+{
|
|
+ int r;
|
|
+ u8 bpp;
|
|
+ struct omap_video_timings timings;
|
|
+
|
|
+ r = omapfb_mode_to_timings(mode_str, &timings, &bpp);
|
|
+ if (r)
|
|
+ return r;
|
|
+
|
|
+ display->panel->recommended_bpp = bpp;
|
|
+
|
|
+ if (!display->check_timings || !display->set_timings)
|
|
+ return -EINVAL;
|
|
+
|
|
+ r = display->check_timings(display, &timings);
|
|
+ if (r)
|
|
+ return r;
|
|
+
|
|
+ display->set_timings(display, &timings);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int omapfb_parse_def_modes(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ char *str, *options, *this_opt;
|
|
+ int r = 0;
|
|
+
|
|
+ str = kmalloc(strlen(def_mode) + 1, GFP_KERNEL);
|
|
+ strcpy(str, def_mode);
|
|
+ options = str;
|
|
+
|
|
+ while (!r && (this_opt = strsep(&options, ",")) != NULL) {
|
|
+ char *p, *display_str, *mode_str;
|
|
+ struct omap_display *display;
|
|
+ int i;
|
|
+
|
|
+ p = strchr(this_opt, ':');
|
|
+ if (!p) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ *p = 0;
|
|
+ display_str = this_opt;
|
|
+ mode_str = p + 1;
|
|
+
|
|
+ display = NULL;
|
|
+ for (i = 0; i < fbdev->num_displays; ++i) {
|
|
+ if (strcmp(fbdev->displays[i]->name,
|
|
+ display_str) == 0) {
|
|
+ display = fbdev->displays[i];
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!display) {
|
|
+ r = -EINVAL;
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ r = omapfb_set_def_mode(display, mode_str);
|
|
+ if (r)
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ kfree(str);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct omapfb2_device *fbdev = NULL;
|
|
+ int r = 0;
|
|
+ int i, t;
|
|
+ struct omap_overlay *ovl;
|
|
+ struct omap_display *def_display;
|
|
+
|
|
+ DBG("omapfb_probe\n");
|
|
+
|
|
+ if (pdev->num_resources != 0) {
|
|
+ dev_err(&pdev->dev, "probed for an unknown device\n");
|
|
+ r = -ENODEV;
|
|
+ goto err0;
|
|
+ }
|
|
+
|
|
+ fbdev = kzalloc(sizeof(struct omapfb2_device), GFP_KERNEL);
|
|
+ if (fbdev == NULL) {
|
|
+ r = -ENOMEM;
|
|
+ goto err0;
|
|
+ }
|
|
+
|
|
+ mutex_init(&fbdev->mtx);
|
|
+
|
|
+ fbdev->dev = &pdev->dev;
|
|
+ platform_set_drvdata(pdev, fbdev);
|
|
+
|
|
+ fbdev->num_displays = 0;
|
|
+ t = omap_dss_get_num_displays();
|
|
+ for (i = 0; i < t; i++) {
|
|
+ struct omap_display *display;
|
|
+ display = omap_dss_get_display(i);
|
|
+ if (!display) {
|
|
+ dev_err(&pdev->dev, "can't get display %d\n", i);
|
|
+ r = -EINVAL;
|
|
+ goto cleanup;
|
|
+ }
|
|
+
|
|
+ fbdev->displays[fbdev->num_displays++] = display;
|
|
+ }
|
|
+
|
|
+ if (fbdev->num_displays == 0) {
|
|
+ dev_err(&pdev->dev, "no displays\n");
|
|
+ r = -EINVAL;
|
|
+ goto cleanup;
|
|
+ }
|
|
+
|
|
+ fbdev->num_overlays = omap_dss_get_num_overlays();
|
|
+ for (i = 0; i < fbdev->num_overlays; i++)
|
|
+ fbdev->overlays[i] = omap_dss_get_overlay(i);
|
|
+
|
|
+ fbdev->num_managers = omap_dss_get_num_overlay_managers();
|
|
+ for (i = 0; i < fbdev->num_managers; i++)
|
|
+ fbdev->managers[i] = omap_dss_get_overlay_manager(i);
|
|
+
|
|
+
|
|
+ /* gfx overlay should be the default one. find a display
|
|
+ * connected to that, and use it as default display */
|
|
+ ovl = omap_dss_get_overlay(0);
|
|
+ if (ovl->manager && ovl->manager->display) {
|
|
+ def_display = ovl->manager->display;
|
|
+ } else {
|
|
+ dev_err(&pdev->dev, "cannot find default display\n");
|
|
+ r = -EINVAL;
|
|
+ goto cleanup;
|
|
+ }
|
|
+
|
|
+ if (def_mode && strlen(def_mode) > 0) {
|
|
+ if (omapfb_parse_def_modes(fbdev))
|
|
+ dev_err(&pdev->dev, "cannot parse default modes\n");
|
|
+ }
|
|
+
|
|
+ r = omapfb_create_framebuffers(fbdev);
|
|
+ if (r)
|
|
+ goto cleanup;
|
|
+
|
|
+ for (i = 0; i < fbdev->num_managers; i++) {
|
|
+ struct omap_overlay_manager *mgr;
|
|
+ mgr = fbdev->managers[i];
|
|
+ r = mgr->apply(mgr);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to apply dispc config\n");
|
|
+ goto cleanup;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("mgr->apply'ed\n");
|
|
+
|
|
+ r = def_display->enable(def_display);
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "Failed to enable display '%s'\n",
|
|
+ def_display->name);
|
|
+ goto cleanup;
|
|
+ }
|
|
+
|
|
+ /* set the update mode */
|
|
+ if (def_display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
|
|
+#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE
|
|
+ if (def_display->set_update_mode)
|
|
+ def_display->set_update_mode(def_display,
|
|
+ OMAP_DSS_UPDATE_AUTO);
|
|
+ if (def_display->enable_te)
|
|
+ def_display->enable_te(def_display, 1);
|
|
+#else
|
|
+ if (def_display->set_update_mode)
|
|
+ def_display->set_update_mode(def_display,
|
|
+ OMAP_DSS_UPDATE_MANUAL);
|
|
+ if (def_display->enable_te)
|
|
+ def_display->enable_te(def_display, 0);
|
|
+#endif
|
|
+ } else {
|
|
+ if (def_display->set_update_mode)
|
|
+ def_display->set_update_mode(def_display,
|
|
+ OMAP_DSS_UPDATE_AUTO);
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < fbdev->num_displays; i++) {
|
|
+ struct omap_display *display = fbdev->displays[i];
|
|
+ u16 w, h;
|
|
+
|
|
+ if (!display->get_update_mode || !display->update)
|
|
+ continue;
|
|
+
|
|
+ if (display->get_update_mode(display) ==
|
|
+ OMAP_DSS_UPDATE_MANUAL) {
|
|
+
|
|
+ display->get_resolution(display, &w, &h);
|
|
+ display->update(display, 0, 0, w, h);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ DBG("display->updated\n");
|
|
+
|
|
+ return 0;
|
|
+
|
|
+cleanup:
|
|
+ omapfb_free_resources(fbdev);
|
|
+err0:
|
|
+ dev_err(&pdev->dev, "failed to setup omapfb\n");
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static int omapfb_remove(struct platform_device *pdev)
|
|
+{
|
|
+ struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
|
|
+
|
|
+ /* FIXME: wait till completion of pending events */
|
|
+
|
|
+ omapfb_remove_sysfs(fbdev);
|
|
+
|
|
+ omapfb_free_resources(fbdev);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver omapfb_driver = {
|
|
+ .probe = omapfb_probe,
|
|
+ .remove = omapfb_remove,
|
|
+ .driver = {
|
|
+ .name = "omapfb",
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init omapfb_init(void)
|
|
+{
|
|
+ DBG("omapfb_init\n");
|
|
+
|
|
+ if (platform_driver_register(&omapfb_driver)) {
|
|
+ printk(KERN_ERR "failed to register omapfb driver\n");
|
|
+ return -ENODEV;
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static void __exit omapfb_exit(void)
|
|
+{
|
|
+ DBG("omapfb_exit\n");
|
|
+ platform_driver_unregister(&omapfb_driver);
|
|
+}
|
|
+
|
|
+module_param_named(mode, def_mode, charp, 0);
|
|
+module_param_named(vram, def_vram, charp, 0);
|
|
+module_param_named(rotate, def_rotate, int, 0);
|
|
+module_param_named(vrfb, def_vrfb, bool, 0);
|
|
+module_param_named(mirror, def_mirror, bool, 0);
|
|
+
|
|
+/* late_initcall to let panel/ctrl drivers loaded first.
|
|
+ * I guess better option would be a more dynamic approach,
|
|
+ * so that omapfb reacts to new panels when they are loaded */
|
|
+late_initcall(omapfb_init);
|
|
+/*module_init(omapfb_init);*/
|
|
+module_exit(omapfb_exit);
|
|
+
|
|
+MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
|
|
+MODULE_DESCRIPTION("OMAP2/3 Framebuffer");
|
|
+MODULE_LICENSE("GPL v2");
|
|
diff --git a/drivers/video/omap2/omapfb/omapfb-sysfs.c b/drivers/video/omap2/omapfb/omapfb-sysfs.c
|
|
new file mode 100644
|
|
index 0000000..2c88718
|
|
--- /dev/null
|
|
+++ b/drivers/video/omap2/omapfb/omapfb-sysfs.c
|
|
@@ -0,0 +1,371 @@
|
|
+/*
|
|
+ * linux/drivers/video/omap2/omapfb-sysfs.c
|
|
+ *
|
|
+ * Copyright (C) 2008 Nokia Corporation
|
|
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
|
+ *
|
|
+ * Some code and ideas taken from drivers/video/omap/ driver
|
|
+ * by Imre Deak.
|
|
+ *
|
|
+ * 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/fb.h>
|
|
+#include <linux/sysfs.h>
|
|
+#include <linux/device.h>
|
|
+#include <linux/uaccess.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/kernel.h>
|
|
+#include <linux/mm.h>
|
|
+#include <linux/omapfb.h>
|
|
+
|
|
+#include <mach/display.h>
|
|
+#include <mach/vrfb.h>
|
|
+
|
|
+#include "omapfb.h"
|
|
+
|
|
+static ssize_t show_rotate_type(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+
|
|
+ return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type);
|
|
+}
|
|
+
|
|
+static ssize_t show_mirror(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+
|
|
+ return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->mirror);
|
|
+}
|
|
+
|
|
+static ssize_t store_mirror(struct device *dev,
|
|
+ struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ bool mirror;
|
|
+ int r;
|
|
+ struct fb_var_screeninfo new_var;
|
|
+
|
|
+ mirror = simple_strtoul(buf, NULL, 0);
|
|
+
|
|
+ if (mirror != 0 && mirror != 1)
|
|
+ return -EINVAL;
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ ofbi->mirror = mirror;
|
|
+
|
|
+ memcpy(&new_var, &fbi->var, sizeof(new_var));
|
|
+ r = check_fb_var(fbi, &new_var);
|
|
+ if (r)
|
|
+ goto out;
|
|
+ memcpy(&fbi->var, &new_var, sizeof(fbi->var));
|
|
+
|
|
+ set_fb_fix(fbi);
|
|
+
|
|
+ r = omapfb_apply_changes(fbi, 0);
|
|
+ if (r)
|
|
+ goto out;
|
|
+
|
|
+ r = count;
|
|
+out:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static ssize_t show_overlays(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ ssize_t l = 0;
|
|
+ int t;
|
|
+
|
|
+ for (t = 0; t < ofbi->num_overlays; t++) {
|
|
+ struct omap_overlay *ovl = ofbi->overlays[t];
|
|
+ int ovlnum;
|
|
+
|
|
+ for (ovlnum = 0; ovlnum < fbdev->num_overlays; ++ovlnum)
|
|
+ if (ovl == fbdev->overlays[ovlnum])
|
|
+ break;
|
|
+
|
|
+ l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
|
|
+ t == 0 ? "" : ",", ovlnum);
|
|
+ }
|
|
+
|
|
+ l += snprintf(buf + l, PAGE_SIZE - l, "\n");
|
|
+
|
|
+ return l;
|
|
+}
|
|
+
|
|
+static struct omapfb_info *get_overlay_fb(struct omapfb2_device *fbdev,
|
|
+ struct omap_overlay *ovl)
|
|
+{
|
|
+ int i, t;
|
|
+
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
|
|
+
|
|
+ for (t = 0; t < ofbi->num_overlays; t++) {
|
|
+ if (ofbi->overlays[t] == ovl)
|
|
+ return ofbi;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return NULL;
|
|
+}
|
|
+
|
|
+static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ struct omap_overlay *ovls[OMAPFB_MAX_OVL_PER_FB];
|
|
+ struct omap_overlay *ovl;
|
|
+ int num_ovls, r, i;
|
|
+ int len;
|
|
+
|
|
+ num_ovls = 0;
|
|
+
|
|
+ len = strlen(buf);
|
|
+ if (buf[len - 1] == '\n')
|
|
+ len = len - 1;
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ if (len > 0) {
|
|
+ char *p = (char *)buf;
|
|
+ int ovlnum;
|
|
+
|
|
+ while (p < buf + len) {
|
|
+ int found;
|
|
+ if (num_ovls == OMAPFB_MAX_OVL_PER_FB) {
|
|
+ r = -EINVAL;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ ovlnum = simple_strtoul(p, &p, 0);
|
|
+ if (ovlnum > fbdev->num_overlays) {
|
|
+ r = -EINVAL;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ found = 0;
|
|
+ for (i = 0; i < num_ovls; ++i) {
|
|
+ if (ovls[i] == fbdev->overlays[ovlnum]) {
|
|
+ found = 1;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (!found)
|
|
+ ovls[num_ovls++] = fbdev->overlays[ovlnum];
|
|
+
|
|
+ p++;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < num_ovls; ++i) {
|
|
+ struct omapfb_info *ofbi2 = get_overlay_fb(fbdev, ovls[i]);
|
|
+ if (ofbi2 && ofbi2 != ofbi) {
|
|
+ dev_err(fbdev->dev, "overlay already in use\n");
|
|
+ r = -EINVAL;
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* detach unused overlays */
|
|
+ for (i = 0; i < ofbi->num_overlays; ++i) {
|
|
+ int t, found;
|
|
+
|
|
+ ovl = ofbi->overlays[i];
|
|
+
|
|
+ found = 0;
|
|
+
|
|
+ for (t = 0; t < num_ovls; ++t) {
|
|
+ if (ovl == ovls[t]) {
|
|
+ found = 1;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (found)
|
|
+ continue;
|
|
+
|
|
+ DBG("detaching %d\n", ofbi->overlays[i]->id);
|
|
+
|
|
+ omapfb_overlay_enable(ovl, 0);
|
|
+
|
|
+ if (ovl->manager)
|
|
+ ovl->manager->apply(ovl->manager);
|
|
+
|
|
+ for (t = i + 1; t < ofbi->num_overlays; t++)
|
|
+ ofbi->overlays[t-1] = ofbi->overlays[t];
|
|
+
|
|
+ ofbi->num_overlays--;
|
|
+ i--;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < num_ovls; ++i) {
|
|
+ int t, found;
|
|
+
|
|
+ ovl = ovls[i];
|
|
+
|
|
+ found = 0;
|
|
+
|
|
+ for (t = 0; t < ofbi->num_overlays; ++t) {
|
|
+ if (ovl == ofbi->overlays[t]) {
|
|
+ found = 1;
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (found)
|
|
+ continue;
|
|
+
|
|
+ ofbi->overlays[ofbi->num_overlays++] = ovl;
|
|
+
|
|
+ r = omapfb_apply_changes(fbi, 1);
|
|
+ if (r)
|
|
+ goto out;
|
|
+
|
|
+ if (ovl->manager) {
|
|
+ r = ovl->manager->apply(ovl->manager);
|
|
+ if (r)
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ r = count;
|
|
+out:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static ssize_t show_size(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+
|
|
+ return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region.size);
|
|
+}
|
|
+
|
|
+static ssize_t store_size(struct device *dev, struct device_attribute *attr,
|
|
+ const char *buf, size_t count)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
+ unsigned long size;
|
|
+ int r;
|
|
+ int i;
|
|
+
|
|
+ size = PAGE_ALIGN(simple_strtoul(buf, NULL, 0));
|
|
+
|
|
+ omapfb_lock(fbdev);
|
|
+
|
|
+ for (i = 0; i < ofbi->num_overlays; i++) {
|
|
+ if (ofbi->overlays[i]->info.enabled) {
|
|
+ r = -EBUSY;
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ if (size != ofbi->region.size) {
|
|
+ r = omapfb_realloc_fbmem(fbi, size, ofbi->region.type);
|
|
+ if (r) {
|
|
+ dev_err(dev, "realloc fbmem failed\n");
|
|
+ goto out;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ r = count;
|
|
+out:
|
|
+ omapfb_unlock(fbdev);
|
|
+
|
|
+ return r;
|
|
+}
|
|
+
|
|
+static ssize_t show_phys(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+
|
|
+ return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region.paddr);
|
|
+}
|
|
+
|
|
+static ssize_t show_virt(struct device *dev,
|
|
+ struct device_attribute *attr, char *buf)
|
|
+{
|
|
+ struct fb_info *fbi = dev_get_drvdata(dev);
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+
|
|
+ return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region.vaddr);
|
|
+}
|
|
+
|
|
+static struct device_attribute omapfb_attrs[] = {
|
|
+ __ATTR(rotate_type, S_IRUGO, show_rotate_type, NULL),
|
|
+ __ATTR(mirror, S_IRUGO | S_IWUSR, show_mirror, store_mirror),
|
|
+ __ATTR(size, S_IRUGO | S_IWUSR, show_size, store_size),
|
|
+ __ATTR(overlays, S_IRUGO | S_IWUSR, show_overlays, store_overlays),
|
|
+ __ATTR(phys_addr, S_IRUGO, show_phys, NULL),
|
|
+ __ATTR(virt_addr, S_IRUGO, show_virt, NULL),
|
|
+};
|
|
+
|
|
+int omapfb_create_sysfs(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int i;
|
|
+ int r;
|
|
+
|
|
+ DBG("create sysfs for fbs\n");
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ int t;
|
|
+ for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++) {
|
|
+ r = device_create_file(fbdev->fbs[i]->dev,
|
|
+ &omapfb_attrs[t]);
|
|
+
|
|
+ if (r) {
|
|
+ dev_err(fbdev->dev, "failed to create sysfs file\n");
|
|
+ return r;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ int i, t;
|
|
+
|
|
+ DBG("remove sysfs for fbs\n");
|
|
+ for (i = 0; i < fbdev->num_fbs; i++) {
|
|
+ for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++)
|
|
+ device_remove_file(fbdev->fbs[i]->dev,
|
|
+ &omapfb_attrs[t]);
|
|
+ }
|
|
+}
|
|
+
|
|
diff --git a/drivers/video/omap2/omapfb/omapfb.h b/drivers/video/omap2/omapfb/omapfb.h
|
|
new file mode 100644
|
|
index 0000000..65e9e6e
|
|
--- /dev/null
|
|
+++ b/drivers/video/omap2/omapfb/omapfb.h
|
|
@@ -0,0 +1,153 @@
|
|
+/*
|
|
+ * linux/drivers/video/omap2/omapfb.h
|
|
+ *
|
|
+ * Copyright (C) 2008 Nokia Corporation
|
|
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
|
+ *
|
|
+ * Some code and ideas taken from drivers/video/omap/ driver
|
|
+ * by Imre Deak.
|
|
+ *
|
|
+ * 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/>.
|
|
+ */
|
|
+
|
|
+#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
|
|
+#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
|
|
+
|
|
+#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
|
|
+#define DEBUG
|
|
+#endif
|
|
+
|
|
+#ifdef DEBUG
|
|
+extern unsigned int omapfb_debug;
|
|
+#define DBG(format, ...) \
|
|
+ if (omapfb_debug) \
|
|
+ printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__)
|
|
+#else
|
|
+#define DBG(format, ...)
|
|
+#endif
|
|
+
|
|
+#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
|
|
+
|
|
+/* max number of overlays to which a framebuffer data can be direct */
|
|
+#define OMAPFB_MAX_OVL_PER_FB 3
|
|
+
|
|
+struct omapfb2_mem_region {
|
|
+ u32 paddr;
|
|
+ void __iomem *vaddr;
|
|
+ struct vrfb vrfb;
|
|
+ unsigned long size;
|
|
+ u8 type; /* OMAPFB_PLANE_MEM_* */
|
|
+ bool alloc; /* allocated by the driver */
|
|
+ bool map; /* kernel mapped by the driver */
|
|
+};
|
|
+
|
|
+enum omapfb_rotation_type {
|
|
+ OMAPFB_ROT_DMA = 0,
|
|
+ OMAPFB_ROT_VRFB = 1,
|
|
+};
|
|
+
|
|
+/* appended to fb_info */
|
|
+struct omapfb_info {
|
|
+ int id;
|
|
+ struct omapfb2_mem_region region;
|
|
+ atomic_t map_count;
|
|
+ int num_overlays;
|
|
+ struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
|
|
+ struct omapfb2_device *fbdev;
|
|
+ enum omapfb_rotation_type rotation_type;
|
|
+ u8 rotation;
|
|
+ bool mirror;
|
|
+};
|
|
+
|
|
+struct omapfb2_device {
|
|
+ struct device *dev;
|
|
+ struct mutex mtx;
|
|
+
|
|
+ u32 pseudo_palette[17];
|
|
+
|
|
+ int state;
|
|
+
|
|
+ unsigned num_fbs;
|
|
+ struct fb_info *fbs[10];
|
|
+
|
|
+ unsigned num_displays;
|
|
+ struct omap_display *displays[10];
|
|
+ unsigned num_overlays;
|
|
+ struct omap_overlay *overlays[10];
|
|
+ unsigned num_managers;
|
|
+ struct omap_overlay_manager *managers[10];
|
|
+};
|
|
+
|
|
+struct omapfb_colormode {
|
|
+ enum omap_color_mode dssmode;
|
|
+ u32 bits_per_pixel;
|
|
+ u32 nonstd;
|
|
+ struct fb_bitfield red;
|
|
+ struct fb_bitfield green;
|
|
+ struct fb_bitfield blue;
|
|
+ struct fb_bitfield transp;
|
|
+};
|
|
+
|
|
+u32 omapfb_get_region_paddr(struct omapfb_info *ofbi);
|
|
+void __iomem *omapfb_get_region_vaddr(struct omapfb_info *ofbi);
|
|
+
|
|
+void set_fb_fix(struct fb_info *fbi);
|
|
+int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
|
|
+int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
|
|
+int omapfb_apply_changes(struct fb_info *fbi, int init);
|
|
+int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi);
|
|
+
|
|
+int omapfb_create_sysfs(struct omapfb2_device *fbdev);
|
|
+void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
|
|
+
|
|
+int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
|
|
+
|
|
+int omapfb_mode_to_timings(const char *mode_str,
|
|
+ struct omap_video_timings *timings, u8 *bpp);
|
|
+
|
|
+/* find the display connected to this fb, if any */
|
|
+static inline struct omap_display *fb2display(struct fb_info *fbi)
|
|
+{
|
|
+ struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
+ int i;
|
|
+
|
|
+ /* XXX: returns the display connected to first attached overlay */
|
|
+ for (i = 0; i < ofbi->num_overlays; i++) {
|
|
+ if (ofbi->overlays[i]->manager)
|
|
+ return ofbi->overlays[i]->manager->display;
|
|
+ }
|
|
+
|
|
+ return NULL;
|
|
+}
|
|
+
|
|
+static inline void omapfb_lock(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ mutex_lock(&fbdev->mtx);
|
|
+}
|
|
+
|
|
+static inline void omapfb_unlock(struct omapfb2_device *fbdev)
|
|
+{
|
|
+ mutex_unlock(&fbdev->mtx);
|
|
+}
|
|
+
|
|
+static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
|
|
+ int enable)
|
|
+{
|
|
+ struct omap_overlay_info info;
|
|
+
|
|
+ ovl->get_overlay_info(ovl, &info);
|
|
+ info.enabled = enable;
|
|
+ return ovl->set_overlay_info(ovl, &info);
|
|
+}
|
|
+
|
|
+#endif
|
|
diff --git a/include/linux/omapfb.h b/include/linux/omapfb.h
|
|
index b226bdf..96190b2 100644
|
|
--- a/include/linux/omapfb.h
|
|
+++ b/include/linux/omapfb.h
|
|
@@ -50,6 +50,8 @@
|
|
#define OMAPFB_UPDATE_WINDOW OMAP_IOW(54, struct omapfb_update_window)
|
|
#define OMAPFB_SETUP_MEM OMAP_IOW(55, struct omapfb_mem_info)
|
|
#define OMAPFB_QUERY_MEM OMAP_IOW(56, struct omapfb_mem_info)
|
|
+#define OMAPFB_WAITFORVSYNC OMAP_IO(57)
|
|
+#define OMAPFB_MEMORY_READ OMAP_IOR(58, struct omapfb_memory_read)
|
|
|
|
#define OMAPFB_CAPS_GENERIC_MASK 0x00000fff
|
|
#define OMAPFB_CAPS_LCDC_MASK 0x00fff000
|
|
@@ -90,6 +92,13 @@ enum omapfb_color_format {
|
|
OMAPFB_COLOR_CLUT_1BPP,
|
|
OMAPFB_COLOR_RGB444,
|
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OMAPFB_COLOR_YUY422,
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+
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+ OMAPFB_COLOR_ARGB16,
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+ OMAPFB_COLOR_RGB24U, /* RGB24, 32-bit container */
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+ OMAPFB_COLOR_RGB24P, /* RGB24, 24-bit container */
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+ OMAPFB_COLOR_ARGB32,
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+ OMAPFB_COLOR_RGBA32,
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+ OMAPFB_COLOR_RGBX32,
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};
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|
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struct omapfb_update_window {
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@@ -161,6 +170,15 @@ enum omapfb_update_mode {
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OMAPFB_MANUAL_UPDATE
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};
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|
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+struct omapfb_memory_read {
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+ __u16 x;
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+ __u16 y;
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+ __u16 w;
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+ __u16 h;
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+ size_t buffer_size;
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+ void __user *buffer;
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+};
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+
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#ifdef __KERNEL__
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|
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#include <linux/completion.h>
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@@ -376,6 +394,8 @@ extern struct lcd_ctrl omap1_lcd_ctrl;
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extern struct lcd_ctrl omap2_disp_ctrl;
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#endif
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|
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+extern void omapfb_set_platform_data(struct omapfb_platform_data *data);
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+
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extern void omapfb_reserve_sdram(void);
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|
extern void omapfb_register_panel(struct lcd_panel *panel);
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extern void omapfb_write_first_pixel(struct omapfb_device *fbdev, u16 pixval);
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|
--
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|
1.5.6.5
|
|
|