This patch adds support for SoC camera interface to OMAP1 devices.
Created and tested against linux-2.6.36-rc3 on Amstrad Delta.
For successfull compilation, requires a header file provided by PATCH 1/6 from
this series, "SoC Camera: add driver for OMAP1 camera interface".
Signed-off-by: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
---
v1->v2 changes:
- no functional changes,
- refreshed against linux-2.6.36-rc3
arch/arm/mach-omap1/devices.c | 43
++++++++++++++++++++++++++++++
arch/arm/mach-omap1/include/mach/camera.h | 8 +++++
2 files changed, 51 insertions(+)
diff -upr linux-2.6.36-rc3.orig/arch/arm/mach-omap1/devices.c
linux-2.6.36-rc3/arch/arm/mach-omap1/devices.c
--- linux-2.6.36-rc3.orig/arch/arm/mach-omap1/devices.c 2010-09-03
22:29:00.000000000 +0200
+++ linux-2.6.36-rc3/arch/arm/mach-omap1/devices.c 2010-09-09
18:42:30.000000000 +0200
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/spi/spi.h>
+#include <linux/dma-mapping.h>
#include <mach/hardware.h>
#include <asm/mach/map.h>
@@ -25,6 +26,7 @@
#include <mach/gpio.h>
#include <plat/mmc.h>
#include <plat/omap7xx.h>
+#include <mach/camera.h>
/*-------------------------------------------------------------------------*/
@@ -191,6 +193,47 @@ static inline void omap_init_spi100k(voi
}
#endif
+
+#define OMAP1_CAMERA_BASE 0xfffb6800
+
+static struct resource omap1_camera_resources[] = {
+ [0] = {
+ .start = OMAP1_CAMERA_BASE,
+ .end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = INT_CAMERA,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device omap1_camera_device = {
+ .name = "omap1-camera",
+ .id = 0, /* This is used to put cameras on this interface */
+ .dev = {
+ .dma_mask = &omap1_camera_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(omap1_camera_resources),
+ .resource = omap1_camera_resources,
+};
+
+void __init omap1_set_camera_info(struct omap1_cam_platform_data *info)
+{
+ struct platform_device *dev = &omap1_camera_device;
+ int ret;
+
+ dev->dev.platform_data = info;
+
+ ret = platform_device_register(dev);
+ if (ret)
+ dev_err(&dev->dev, "unable to register device: %d\n", ret);
+}
+
+
/*-------------------------------------------------------------------------*/
static inline void omap_init_sti(void) {}
diff -upr linux-2.6.36-rc3.orig/arch/arm/mach-omap1/include/mach/camera.h
linux-2.6.36-rc3/arch/arm/mach-omap1/include/mach/camera.h
--- linux-2.6.36-rc3.orig/arch/arm/mach-omap1/include/mach/camera.h 2010-09-03
22:34:03.000000000 +0200
+++ linux-2.6.36-rc3/arch/arm/mach-omap1/include/mach/camera.h 2010-09-09
18:42:30.000000000 +0200
@@ -0,0 +1,8 @@
+#ifndef __ASM_ARCH_CAMERA_H_
+#define __ASM_ARCH_CAMERA_H_
+
+#include <media/omap1_camera.h>
+
+extern void omap1_set_camera_info(struct omap1_cam_platform_data *);
+
+#endif /* __ASM_ARCH_CAMERA_H_ */
--
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