From: Jonghun Han <jonghun.han@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
arch/arm/mach-exynos4/Kconfig | 9 ++++
arch/arm/mach-exynos4/Makefile | 1 +
arch/arm/mach-exynos4/cpu.c | 4 +-
arch/arm/mach-exynos4/include/mach/regs-fb.h | 21 ++++++++
arch/arm/mach-exynos4/setup-fimd0-24bpp.c | 47 ++++++++++++++++++
arch/arm/plat-s5p/Kconfig | 5 ++
arch/arm/plat-s5p/Makefile | 1 +
arch/arm/plat-s5p/dev-fimd0.c | 67 ++++++++++++++++++++++++++
arch/arm/plat-samsung/include/plat/devs.h | 1 +
arch/arm/plat-samsung/include/plat/fb-core.h | 15 ++++++
arch/arm/plat-samsung/include/plat/fb.h | 15 ++++++
11 files changed, 185 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/mach-exynos4/include/mach/regs-fb.h
create mode 100644 arch/arm/mach-exynos4/setup-fimd0-24bpp.c
create mode 100644 arch/arm/plat-s5p/dev-fimd0.c
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 1435fc3..8428ac7 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -25,6 +25,11 @@ config EXYNOS4_DEV_AHCI
help
Compile in platform device definitions for AHCI
+config EXYNOS4_SETUP_FIMD0_24BPP
+ bool
+ help
+ Common setup code for FIMD0 with a 24bpp RGB display helper.
+
config EXYNOS4_DEV_PD
bool
help
@@ -103,6 +108,7 @@ menu "EXYNOS4 Machines"
config MACH_SMDKC210
bool "SMDKC210"
select CPU_EXYNOS4210
+ select S5P_DEV_FIMD0
select S3C_DEV_RTC
select S3C_DEV_WDT
select S3C_DEV_I2C1
@@ -112,6 +118,7 @@ config MACH_SMDKC210
select S3C_DEV_HSMMC3
select EXYNOS4_DEV_PD
select EXYNOS4_DEV_SYSMMU
+ select EXYNOS4_SETUP_FIMD0_24BPP
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_SDHCI
help
@@ -120,6 +127,7 @@ config MACH_SMDKC210
config MACH_SMDKV310
bool "SMDKV310"
select CPU_EXYNOS4210
+ select S5P_DEV_FIMD0
select S3C_DEV_RTC
select S3C_DEV_WDT
select S3C_DEV_I2C1
@@ -130,6 +138,7 @@ config MACH_SMDKV310
select SAMSUNG_DEV_KEYPAD
select EXYNOS4_DEV_PD
select EXYNOS4_DEV_SYSMMU
+ select EXYNOS4_SETUP_FIMD0_24BPP
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_KEYPAD
select EXYNOS4_SETUP_SDHCI
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index 60fe5ec..aa4d1f4 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o
obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
+obj-$(CONFIG_EXYNOS4_SETUP_FIMD0_24BPP) += setup-fimd0-24bpp.o
obj-$(CONFIG_EXYNOS4_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_EXYNOS4_SETUP_I2C2) += setup-i2c2.o
obj-$(CONFIG_EXYNOS4_SETUP_I2C3) += setup-i2c3.o
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 9babe44..778a5b0 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -19,9 +19,10 @@
#include <plat/cpu.h>
#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/fb-core.h>
#include <plat/exynos4.h>
#include <plat/sdhci.h>
-#include <plat/devs.h>
#include <plat/fimc-core.h>
#include <mach/regs-irq.h>
@@ -132,6 +133,7 @@ void __init exynos4_map_io(void)
s3c_fimc_setname(1, "exynos4-fimc");
s3c_fimc_setname(2, "exynos4-fimc");
s3c_fimc_setname(3, "exynos4-fimc");
+ s5p_fb_setname(0, "exynos4-fb"); /* FIMD0 */
}
void __init exynos4_init_clocks(int xtal)
diff --git a/arch/arm/mach-exynos4/include/mach/regs-fb.h b/arch/arm/mach-exynos4/include/mach/regs-fb.h
new file mode 100644
index 0000000..f320105
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/regs-fb.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010 Ben Dooks <ben-linux@xxxxxxxxx>
+ *
+ * Dummy framebuffer to allow build for the moment.
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_MACH_REGS_FB_H
+#define __ASM_ARCH_MACH_REGS_FB_H __FILE__
+
+#include <plat/regs-fb-v4.h>
+
+static inline unsigned int s3c_fb_pal_reg(unsigned int window, int reg)
+{
+ return 0x2400 + (window * 256 * 4) + reg;
+}
+
+#endif /* __ASM_ARCH_MACH_REGS_FB_H */
diff --git a/arch/arm/mach-exynos4/setup-fimd0-24bpp.c b/arch/arm/mach-exynos4/setup-fimd0-24bpp.c
new file mode 100644
index 0000000..3ca8555
--- /dev/null
+++ b/arch/arm/mach-exynos4/setup-fimd0-24bpp.c
@@ -0,0 +1,47 @@
+/* linux/arch/arm/mach-exynos4/setup-fimd0-24bpp.c
+ *
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Base Exynos4 setup information for 24bpp LCD framebuffer
+ *
+ * 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/types.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+
+#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
+
+#include <mach/regs-clock.h>
+#include <mach/regs-fb.h>
+#include <mach/map.h>
+
+void exynos4_fimd0_gpio_setup_24bpp(void)
+{
+ unsigned int reg = 0;
+
+ s3c_gpio_cfgrange_nopull(EXYNOS4_GPF0(0), 8, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(EXYNOS4_GPF1(0), 8, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(EXYNOS4_GPF2(0), 8, S3C_GPIO_SFN(2));
+ s3c_gpio_cfgrange_nopull(EXYNOS4_GPF3(0), 4, S3C_GPIO_SFN(2));
+
+ /*
+ * Set DISPLAY_CONTROL register for Display path selection.
+ *
+ * DISPLAY_CONTROL[1:0]
+ * ---------------------
+ * 00 | MIE
+ * 01 | MDINE
+ * 10 | FIMD : selected
+ * 11 | FIMD
+ */
+ reg = __raw_readl(S3C_VA_SYS + 0x0210);
+ reg |= (1 << 1);
+ __raw_writel(reg, S3C_VA_SYS + 0x0210);
+}
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
index e98f5c5..46de16e 100644
--- a/arch/arm/plat-s5p/Kconfig
+++ b/arch/arm/plat-s5p/Kconfig
@@ -70,6 +70,11 @@ 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 e234cc4..eec7e24 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 0000000..9e7176c
--- /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);
+}
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 4af108f..370bd2b 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -45,6 +45,7 @@ extern struct platform_device s3c64xx_device_ac97;
extern struct platform_device s3c_device_ts;
extern struct platform_device s3c_device_fb;
+extern struct platform_device s5p_device_fimd0;
extern struct platform_device s3c_device_ohci;
extern struct platform_device s3c_device_lcd;
extern struct platform_device s3c_device_wdt;
diff --git a/arch/arm/plat-samsung/include/plat/fb-core.h b/arch/arm/plat-samsung/include/plat/fb-core.h
index bca383e..6abcbf1 100644
--- a/arch/arm/plat-samsung/include/plat/fb-core.h
+++ b/arch/arm/plat-samsung/include/plat/fb-core.h
@@ -26,4 +26,19 @@ static inline void s3c_fb_setname(char *name)
#endif
}
+/* Re-define device name depending on support. */
+static inline void s5p_fb_setname(int id, char *name)
+{
+ switch (id) {
+#ifdef CONFIG_S5P_DEV_FIMD0
+ case 0:
+ s5p_device_fimd0.name = name;
+ break;
+#endif
+ default:
+ printk(KERN_ERR "%s: invalid device id(%d)\n", __func__, id);
+ break;
+ }
+}
+
#endif /* __ASM_PLAT_FB_CORE_H */
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index cb3ca3a..01f10e4 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -74,6 +74,14 @@ struct s3c_fb_platdata {
extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
/**
+ * s5p_fimd0_set_platdata() - Setup the FB device with platform data.
+ * @pd: The platform data to set. The data is copied from the passed structure
+ * so the machine data can mark the data __initdata so that any unused
+ * machines will end up dumping their data at runtime.
+ */
+extern void s5p_fimd0_set_platdata(struct s3c_fb_platdata *pd);
+
+/**
* s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
*
* Initialise the GPIO for an 24bpp LCD display on the RGB interface.
@@ -94,4 +102,11 @@ extern void s5pc100_fb_gpio_setup_24bpp(void);
*/
extern void s5pv210_fb_gpio_setup_24bpp(void);
+/**
+ * exynos4_fimd0_gpio_setup_24bpp() - Exynos4 setup function for 24bpp LCD0
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface 0.
+ */
+extern void exynos4_fimd0_gpio_setup_24bpp(void);
+
#endif /* __PLAT_S3C_FB_H */
--
1.7.1
--
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