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

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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>
This commit is contained in:
Jonghun Han 2011-07-21 15:46:26 +09:00 committed by Kukjin Kim
parent 1aee2add21
commit e61b170139
10 changed files with 160 additions and 0 deletions
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9
arch/arm/mach-exynos4/Kconfig
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@ -26,6 +26,11 @@ config EXYNOS4_DEV_AHCI
help
Compile in platform device definitions for AHCI
config EXYNOS4_SETUP_FIMD0
bool
help
Common setup code for FIMD0.
config EXYNOS4_DEV_PD
bool
help
@ -109,6 +114,7 @@ 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
@ -118,6 +124,7 @@ config MACH_SMDKC210
select S3C_DEV_HSMMC3
select EXYNOS4_DEV_PD
select EXYNOS4_DEV_SYSMMU
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_SDHCI
help
@ -126,6 +133,7 @@ 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
@ -137,6 +145,7 @@ config MACH_SMDKV310
select SAMSUNG_DEV_KEYPAD
select EXYNOS4_DEV_PD
select EXYNOS4_DEV_SYSMMU
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_KEYPAD
select EXYNOS4_SETUP_SDHCI

1
arch/arm/mach-exynos4/Makefile
View File

@ -41,6 +41,7 @@ obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMD0) += setup-fimd0.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

3
arch/arm/mach-exynos4/cpu.c
View File

@ -25,6 +25,7 @@
#include <plat/adc-core.h>
#include <plat/sdhci.h>
#include <plat/devs.h>
#include <plat/fb-core.h>
#include <plat/fimc-core.h>
#include <plat/iic-core.h>
@ -153,6 +154,8 @@ void __init exynos4_map_io(void)
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
s3c_i2c2_setname("s3c2440-i2c");
s5p_fb_setname(0, "exynos4-fb");
}
void __init exynos4_init_clocks(int xtal)

43
arch/arm/mach-exynos4/setup-fimd0.c Normal file
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@ -0,0 +1,43 @@
/* linux/arch/arm/mach-exynos4/setup-fimd0.c
*
* Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Base Exynos4 FIMD 0 configuration
*
* 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/fb.h>
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/regs-fb-v4.h>
#include <mach/map.h>
void exynos4_fimd0_gpio_setup_24bpp(void)
{
unsigned int reg;
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);
}

5
arch/arm/plat-s5p/Kconfig
View File

@ -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

1
arch/arm/plat-s5p/Makefile
View File

@ -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

67
arch/arm/plat-s5p/dev-fimd0.c Normal file
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@ -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);
}

1
arch/arm/plat-samsung/include/plat/devs.h
View File

@ -50,6 +50,7 @@ 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;

15
arch/arm/plat-samsung/include/plat/fb-core.h
View File

@ -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 */

15
arch/arm/plat-samsung/include/plat/fb.h
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@ -73,6 +73,14 @@ 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
*
@ -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 */