From: Ben Dooks <ben-linux@fluff.org>
Date: Wed, 19 Nov 2008 15:41:31 +0000 (+0000)
Subject: [ARM] S3C: Add new FB device definition
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=58435f7b2d1aa1ca1b08a2eecc36e13291342cfc;p=openwrt%2Fstaging%2Fblogic.git

[ARM] S3C: Add new FB device definition

Add a device definition for the new S3C framebuffer
driver.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
---

diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index 4d5cd7ee8c15..cff27d813fc6 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -38,6 +38,7 @@
 #define S3C_VA_UART2		S3C_VA_UARTx(2)
 #define S3C_VA_UART3		S3C_VA_UARTx(3)
 
+#define S3C64XX_PA_FB		(0x77100000)
 #define S3C64XX_PA_SYSCON	(0x7E00F000)
 #define S3C64XX_PA_TIMER	(0x7F006000)
 #define S3C64XX_PA_IIC0		(0x7F004000)
@@ -62,5 +63,6 @@
 #define S3C_PA_HSMMC2		S3C64XX_PA_HSMMC2
 #define S3C_PA_IIC		S3C64XX_PA_IIC0
 #define S3C_PA_IIC1		S3C64XX_PA_IIC1
+#define S3C_PA_FB		S3C64XX_PA_FB
 
 #endif /* __ASM_ARCH_6400_MAP_H */
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index d7a6e487f218..e80a32822d88 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -166,3 +166,9 @@ config S3C_DEV_I2C1
 	depends on PLAT_S3C
 	help
 	  Compile in platform device definitions for I2C channel 1
+
+config S3C_DEV_FB
+	bool
+	depends on PLAT_S3C
+	help
+	  Compile in platform device definition for framebuffer
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index 3fcee0c44e18..39195f972d5e 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -24,3 +24,4 @@ obj-$(CONFIG_S3C_DEV_HSMMC)	+= dev-hsmmc.o
 obj-$(CONFIG_S3C_DEV_HSMMC1)	+= dev-hsmmc1.o
 obj-y				+= dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
diff --git a/arch/arm/plat-s3c/dev-fb.c b/arch/arm/plat-s3c/dev-fb.c
new file mode 100644
index 000000000000..0454b8ec02e2
--- /dev/null
+++ b/arch/arm/plat-s3c/dev-fb.c
@@ -0,0 +1,72 @@
+/* linux/arch/arm/plat-s3c/dev-fb.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for framebuffer device
+ *
+ * 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 <mach/map.h>
+#include <mach/regs-fb.h>
+
+#include <plat/fb.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_fb_resource[] = {
+	[0] = {
+		.start = S3C_PA_FB,
+		.end   = S3C_PA_FB + SZ_16K - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_LCD_VSYNC,
+		.end   = IRQ_LCD_VSYNC,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = IRQ_LCD_FIFO,
+		.end   = IRQ_LCD_FIFO,
+		.flags = IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start = IRQ_LCD_SYSTEM,
+		.end   = IRQ_LCD_SYSTEM,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_fb = {
+	.name		  = "s3c-fb",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c_fb_resource),
+	.resource	  = s3c_fb_resource,
+	.dev.dma_mask	  = &s3c_device_fb.dev.coherent_dma_mask,
+	.dev.coherent_dma_mask = 0xffffffffUL,
+};
+
+void __init s3c_fb_set_platdata(struct s3c_fb_platdata *pd)
+{
+	struct s3c_fb_platdata *npd;
+
+	if (!pd) {
+		printk(KERN_ERR "%s: no platform data\n", __func__);
+		return;
+	}
+
+	npd = kmemdup(pd, sizeof(struct s3c_fb_platdata), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+
+	s3c_device_fb.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
index 0e342d1fafbb..6b1b5231511c 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-s3c/include/plat/devs.h
@@ -24,6 +24,7 @@ extern struct platform_device *s3c24xx_uart_src[];
 
 extern struct platform_device s3c_device_timer[];
 
+extern struct platform_device s3c_device_fb;
 extern struct platform_device s3c_device_usb;
 extern struct platform_device s3c_device_lcd;
 extern struct platform_device s3c_device_wdt;