ARM: EXYNOS4: Add platform device and helper functions for FIMD

This patch adds platform device s5p_device_fimd0 for EXYNOS4 FIMD0.
EXYNOS4 has two FIMDs(FIMD0, FIMD1). FIMD1 will be added later.
Some definitions used to enable EXYNOS4 FIMD0 are added.

Signed-off-by: Jonghun Han <jonghun.han@samsung.com>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

3 files changed, 73 insertions, 0 deletions

diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index 7f9ff2afffd9..7537ad57c7db 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -71,6 +71,11 @@ config S5P_DEV_FIMC3
         help
           Compile in platform device definitions for FIMC controller 3
 
+config S5P_DEV_FIMD0
+        bool
+        help
+          Compile in platform device definitions for FIMD controller 0
+
 config S5P_DEV_ONENAND
         bool
         help
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
index e234cc4d49a0..eec7e24c1a03 100644
--- a/arch/arm/plat-s5p/Makefile
+++ b/arch/arm/plat-s5p/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_S5P_DEV_FIMC0)	+= dev-fimc0.o
 obj-$(CONFIG_S5P_DEV_FIMC1)     += dev-fimc1.o
 obj-$(CONFIG_S5P_DEV_FIMC2)     += dev-fimc2.o
 obj-$(CONFIG_S5P_DEV_FIMC3)     += dev-fimc3.o
+obj-$(CONFIG_S5P_DEV_FIMD0)     += dev-fimd0.o
 obj-$(CONFIG_S5P_DEV_ONENAND)   += dev-onenand.o
 obj-$(CONFIG_S5P_DEV_CSIS0)     += dev-csis0.o
 obj-$(CONFIG_S5P_DEV_CSIS1)     += dev-csis1.o
diff --git a/arch/arm/plat-s5p/dev-fimd0.c b/arch/arm/plat-s5p/dev-fimd0.c
new file mode 100644
index 000000000000..f728bb5abcef
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-fimd0.c
@@ -0,0 +1,67 @@
+/* linux/arch/arm/plat-s5p/dev-fimd0.c
+ *
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com
+ *
+ * Core file for Samsung Display Controller (FIMD) driver
+ *
+ * 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.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/gfp.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/fb.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s5p_fimd0_resource[] = {
+        [0] = {
+                .start  = S5P_PA_FIMD0,
+                .end    = S5P_PA_FIMD0 + SZ_32K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_FIMD0_VSYNC,
+                .end    = IRQ_FIMD0_VSYNC,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start  = IRQ_FIMD0_FIFO,
+                .end    = IRQ_FIMD0_FIFO,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start  = IRQ_FIMD0_SYSTEM,
+                .end    = IRQ_FIMD0_SYSTEM,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static u64 fimd0_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p_device_fimd0 = {
+        .name           = "s5p-fb",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(s5p_fimd0_resource),
+        .resource       = s5p_fimd0_resource,
+        .dev            = {
+                .dma_mask               = &fimd0_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+        },
+};
+
+void __init s5p_fimd0_set_platdata(struct s3c_fb_platdata *pd)
+{
+        s3c_set_platdata(pd, sizeof(struct s3c_fb_platdata),
+                        &s5p_device_fimd0);
+}