This patch adds OMAP machine dependent framebuffer code so that
board files can make use of driver omap-fb.
Signed-off-by: Christoph Fritz <chf.fritz@xxxxxxxxxxxxxx>
---
arch/arm/mach-omap/Makefile | 2 +-
arch/arm/mach-omap/include/mach/omap-fb.h | 47 +++++++++++++++++++++++++++++
arch/arm/mach-omap/omap_fb.c | 34 +++++++++++++++++++++
3 files changed, 82 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-omap/include/mach/omap-fb.h
create mode 100644 arch/arm/mach-omap/omap_fb.c
diff --git a/arch/arm/mach-omap/Makefile b/arch/arm/mach-omap/Makefile
index 94e42c6..bc5daab 100644
--- a/arch/arm/mach-omap/Makefile
+++ b/arch/arm/mach-omap/Makefile
@@ -15,7 +15,7 @@
# GNU General Public License for more details.
#
#
-obj-$(CONFIG_ARCH_OMAP) += syslib.o omap_devices.o
+obj-$(CONFIG_ARCH_OMAP) += syslib.o omap_devices.o omap_fb.o
pbl-$(CONFIG_ARCH_OMAP) += syslib.o
obj-$(CONFIG_OMAP_CLOCK_SOURCE_S32K) += s32k_clksource.o
obj-$(CONFIG_OMAP_CLOCK_SOURCE_DMTIMER0) += dmtimer0.o
diff --git a/arch/arm/mach-omap/include/mach/omap-fb.h b/arch/arm/mach-omap/include/mach/omap-fb.h
new file mode 100644
index 0000000..f68dc1a
--- /dev/null
+++ b/arch/arm/mach-omap/include/mach/omap-fb.h
@@ -0,0 +1,47 @@
+#ifndef H_BAREBOX_ARCH_ARM_MACH_OMAP_MACH_FB4_H
+#define H_BAREBOX_ARCH_ARM_MACH_OMAP_MACH_FB4_H
+
+#include <fb.h>
+
+#define OMAP_DSS_LCD_TFT (1u << 0)
+#define OMAP_DSS_LCD_IVS (1u << 1)
+#define OMAP_DSS_LCD_IHS (1u << 2)
+#define OMAP_DSS_LCD_IPC (1u << 3)
+#define OMAP_DSS_LCD_IEO (1u << 4)
+#define OMAP_DSS_LCD_RF (1u << 5)
+#define OMAP_DSS_LCD_ONOFF (1u << 6)
+
+#define OMAP_DSS_LCD_DATALINES(_l) ((_l) << 10)
+#define OMAP_DSS_LCD_DATALINES_msk OMAP_DSS_LCD_DATALINES(3u)
+#define OMAP_DSS_LCD_DATALINES_12 OMAP_DSS_LCD_DATALINES(0u)
+#define OMAP_DSS_LCD_DATALINES_16 OMAP_DSS_LCD_DATALINES(1u)
+#define OMAP_DSS_LCD_DATALINES_18 OMAP_DSS_LCD_DATALINES(2u)
+#define OMAP_DSS_LCD_DATALINES_24 OMAP_DSS_LCD_DATALINES(3u)
+
+struct omapfb_display {
+ struct fb_videomode mode;
+
+ unsigned long config;
+
+ unsigned int power_on_delay;
+ unsigned int power_off_delay;
+};
+
+struct omapfb_platform_data {
+ struct omapfb_display const *displays;
+ size_t num_displays;
+
+ unsigned int dss_clk_hz;
+
+ unsigned int bpp;
+
+ struct resource const *screen;
+
+ void (*enable)(int p);
+};
+
+struct device_d;
+struct device_d *omap_add_display(struct omapfb_platform_data *o_pdata);
+
+
+#endif /* H_BAREBOX_ARCH_ARM_MACH_OMAP_MACH_FB4_H */
diff --git a/arch/arm/mach-omap/omap_fb.c b/arch/arm/mach-omap/omap_fb.c
new file mode 100644
index 0000000..ae318d8
--- /dev/null
+++ b/arch/arm/mach-omap/omap_fb.c
@@ -0,0 +1,34 @@
+#include <driver.h>
+#include <common.h>
+#include <linux/ioport.h>
+#include <mach/omap-fb.h>
+
+#if defined(CONFIG_DRIVER_VIDEO_OMAP)
+static struct resource omapfb_resources[] = {
+ {
+ .name = "omap4_dss",
+ .start = 0x48040000,
+ .end = 0x48040000 + 512 - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+ }, {
+ .name = "omap4_dispc",
+ .start = 0x48041000,
+ .end = 0x48041000 + 3072 - 1,
+ .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+ },
+};
+
+struct device_d *omap_add_display(struct omapfb_platform_data *o_pdata)
+{
+ return add_generic_device_res("omap_fb", -1,
+ omapfb_resources,
+ ARRAY_SIZE(omapfb_resources),
+ o_pdata);
+}
+#else
+struct device_d *omap_add_display(struct omapfb_platform_data *o_pdata)
+{
+ return NULL;
+}
+#endif
+EXPORT_SYMBOL(omap_add_display);
--
1.7.10.4
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