Add S3C/S5P rotator platform device.
Signed-off-by: Pawel Osciak <p.osciak@xxxxxxxxxxx>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Reviewed-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Reviewed-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
arch/arm/mach-s3c6400/include/mach/map.h | 2 +
arch/arm/plat-s3c/Kconfig | 5 ++
arch/arm/plat-s3c/Makefile | 1 +
arch/arm/plat-s3c/dev-rotator.c | 42 +++++++++++++++++
arch/arm/plat-s3c/include/plat/devs.h | 2 +
arch/arm/plat-s3c/include/plat/regs-rotator.h | 62 +++++++++++++++++++++++++
6 files changed, 114 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/plat-s3c/dev-rotator.c
create mode 100644 arch/arm/plat-s3c/include/plat/regs-rotator.h
diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index 106ee13..718438e 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -40,6 +40,7 @@
#define S3C64XX_PA_NAND (0x70200000)
#define S3C64XX_PA_FB (0x77100000)
+#define S3C64XX_PA_ROTATOR (0x77200000)
#define S3C64XX_PA_USB_HSOTG (0x7C000000)
#define S3C64XX_PA_WATCHDOG (0x7E004000)
#define S3C64XX_PA_SYSCON (0x7E00F000)
@@ -85,5 +86,6 @@
#define S3C_PA_USBHOST S3C64XX_PA_USBHOST
#define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG
#define S3C_VA_USB_HSPHY S3C64XX_VA_USB_HSPHY
+#define S3C_PA_ROTATOR S3C64XX_PA_ROTATOR
#endif /* __ASM_ARCH_6400_MAP_H */
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index 9e9d028..668c80d 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -212,4 +212,9 @@ config S3C_DEV_NAND
help
Compile in platform device definition for NAND controller
+config S3C_DEV_ROTATOR
+ bool
+ help
+ Compile in platform device definition for image rotator
+
endif
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index 50444da..a827cfe 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -43,3 +43,4 @@ obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o
obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
obj-$(CONFIG_S3C_DEV_USB_HSOTG) += dev-usb-hsotg.o
obj-$(CONFIG_S3C_DEV_NAND) += dev-nand.o
+obj-$(CONFIG_S3C_DEV_ROTATOR) += dev-rotator.o
diff --git a/arch/arm/plat-s3c/dev-rotator.c b/arch/arm/plat-s3c/dev-rotator.c
new file mode 100644
index 0000000..8409f70
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-rotator.c
@@ -0,0 +1,42 @@
+/*
+ * Samsung S3C/S5P image rotator resource and device definitions.
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version
+ */
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/ioport.h>
+
+#include <mach/map.h>
+#include <plat/map-base.h>
+#include <plat/devs.h>
+#include <plat/irqs.h>
+
+static struct resource s3c_rotator_resource[] = {
+ [0] = {
+ .start = S3C_PA_ROTATOR,
+ .end = S3C_PA_ROTATOR + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_ROTATOR,
+ .end = IRQ_ROTATOR,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device s3c_device_rotator = {
+ .name = "s3c-rotator",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_rotator_resource),
+ .resource = s3c_rotator_resource,
+};
+
+EXPORT_SYMBOL(s3c_device_rotator);
+
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 932cbbb..ff912a9 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -56,6 +56,8 @@ extern struct platform_device s3c_device_nand;
extern struct platform_device s3c_device_usbgadget;
extern struct platform_device s3c_device_usb_hsotg;
+extern struct platform_device s3c_device_rotator;
+
/* s3c2440 specific devices */
#ifdef CONFIG_CPU_S3C2440
diff --git a/arch/arm/plat-s3c/include/plat/regs-rotator.h b/arch/arm/plat-s3c/include/plat/regs-rotator.h
new file mode 100644
index 0000000..6cd1cc9
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-rotator.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics
+ *
+ * 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.
+ *
+ * S3C/S5P image rotator register map
+ */
+
+#ifndef __ASM_ARCH_PLAT_S3C_ROTATOR_H
+#define __ASM_ARCH_PLAT_S3C_ROTATOR_H __FILE__
+
+#define S3C_ROT_SRC_WIDTH(x) (((x) << 0) & 0xFFFF)
+#define S3C_ROT_SRC_HEIGHT(x) ((x) << 16)
+
+#define S3C_ROTATOR_CTRLREG_INT_MASK (1 << 24)
+#define S3C_ROTATOR_CTRLREG_FORMAT_MASK (7 << 13)
+#define S3C_ROTATOR_CTRLREG_ROT_DEG_MASK (3 << 6)
+#define S3C_ROTATOR_CTRLREG_FLIP_MASK (3 << 4)
+#define S3C_ROTATOR_CTRLREG_START_MASK (1 << 0)
+
+#define S3C_ROTATOR_CTRLREG_MASK ( S3C_ROTATOR_CTRLREG_INT_MASK \
+ | S3C_ROTATOR_CTRLREG_FORMAT_MASK \
+ | S3C_ROTATOR_CTRLREG_ROT_DEG_MASK \
+ | S3C_ROTATOR_CTRLREG_FLIP_MASK \
+ | S3C_ROTATOR_CTRLREG_START_MASK \
+ | S3C_ROTATOR_CTRLREG_ENABLE_INT )
+
+#define S3C_ROTATOR_CTRLREG_ENABLE_INT (1 << 24)
+#define S3C_ROTATOR_CTRLREG_SRC_YCBCR420 (0 << 13)
+#define S3C_ROTATOR_CTRLREG_SRC_YCBCR422 (3 << 13)
+#define S3C_ROTATOR_CTRLREG_SRC_RGB565 (4 << 13)
+#define S3C_ROTATOR_CTRLREG_SRC_RGB888 (5 << 13)
+
+#define S3C_ROTATOR_CTRLREG_DEGREE_90 (1 << 6)
+#define S3C_ROTATOR_CTRLREG_DEGREE_180 (2 << 6)
+#define S3C_ROTATOR_CTRLREG_DEGREE_270 (3 << 6)
+
+#define S3C_ROTATOR_CTRLREG_FLIP_VERT (2 << 4)
+#define S3C_ROTATOR_CTRLREG_FLIP_HORIZ (3 << 4)
+#define S3C_ROTATOR_CTRLREG_START (1 << 0)
+
+#define S3C_ROTATOR_STATREG_STATUS_IDLE (0 << 0)
+#define S3C_ROTATOR_CTRLREG_START_ROTATE (1 << 0)
+#define S3C_ROTATOR_STATREG_STATUS_BUSY (2 << 0)
+#define S3C_ROTATOR_STATREG_STATUS_BUSY_MORE (3 << 0)
+#define S3C_ROTATOR_STATREG_INT_PEND (1 << 8)
+
+
+#define S3C_ROTATOR_CTRLREG (0x0)
+#define S3C_ROTATOR_SRCADDRREG0 (0x4)
+#define S3C_ROTATOR_SRCADDRREG1 (0x8)
+#define S3C_ROTATOR_SRCADDRREG2 (0xC)
+#define S3C_ROTATOR_SRCSIZEREG (0x10)
+#define S3C_ROTATOR_DESTADDRREG0 (0x18)
+#define S3C_ROTATOR_DESTADDRREG1 (0x1C)
+#define S3C_ROTATOR_DESTADDRREG2 (0x20)
+#define S3C_ROTATOR_STATREG (0x2C)
+
+#endif /* __ASM_ARCH_PLAT_S3C_ROTATOR_H */
+
--
1.6.4.2.253.g0b1fac
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