[PATCH v4 3/8] ARM: Samsung: Add platform definitions and helpers for FIMC driver

Kyungmin Park kyungmin.park at samsung.com
Mon Aug 2 20:54:19 EDT 2010


On Tue, Aug 3, 2010 at 9:46 AM, Kukjin Kim <kgene.kim at samsung.com> wrote:
> Kyungmin Park wrote:
>>
>> On Tue, Aug 3, 2010 at 8:58 AM, Kukjin Kim <kgene.kim at samsung.com> wrote:
>> > Marek Szyprowski wrote:
>> >>
>> >> From: Sylwester Nawrocki <s.nawrocki at samsung.com>
>> >>
>> >> FIMC (CAMIF) device is a camera interface embedded in S3C/S5P Samsung
>> >> SOC series. It supports ITU-R BT.601/656 and MIPI-CSI2 standards,
>> >> memory to memory operations, color conversion, resizing and rotation.
>> >>
>> >> Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
>> >> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
>> >> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
>> >> ---
>> >>
>> >> This is patch is a v3 version rebased onto latest kgene/for-next tree.
>> >> New entries in map.h files has been sorted by the physicall address.
>> >>
>> > Thanks for your addressing.
>> >
>> >> I'm resending this patch on behalf of Sylwester who is on holidays this
>> >> week.
>> >>
>> >> Best regards
>> >> --
>> >> Marek Szyprowski
>> >> Samsung Poland R&D Center
>> >> ---
>> >>  arch/arm/mach-s5pc100/include/mach/map.h       |    7 ++++
>> >>  arch/arm/mach-s5pv210/cpu.c                    |    5 +++
>> >>  arch/arm/mach-s5pv210/include/mach/map.h       |    8 ++++
>> >>  arch/arm/plat-s5p/Kconfig                      |   16 ++++++++
>> >>  arch/arm/plat-s5p/Makefile                     |    3 ++
>> >>  arch/arm/plat-s5p/dev-fimc0.c                  |   35
>> >> ++++++++++++++++++
>> >>  arch/arm/plat-s5p/dev-fimc1.c                  |   35
>> >> ++++++++++++++++++
>> >>  arch/arm/plat-s5p/dev-fimc2.c                  |   35
>> >> ++++++++++++++++++
>> >>  arch/arm/plat-samsung/include/plat/fimc-core.h |   45
>> >> ++++++++++++++++++++++++
>> >>  arch/arm/plat-samsung/include/plat/fimc.h      |   22 +++++++++++
>> >>  10 files changed, 211 insertions(+), 0 deletions(-)
>> >>  create mode 100644 arch/arm/plat-s5p/dev-fimc0.c
>> >>  create mode 100644 arch/arm/plat-s5p/dev-fimc1.c
>> >>  create mode 100644 arch/arm/plat-s5p/dev-fimc2.c
>> >>  create mode 100644 arch/arm/plat-samsung/include/plat/fimc-core.h
>> >>  create mode 100644 arch/arm/plat-samsung/include/plat/fimc.h
>> >>
>> >> diff --git a/arch/arm/mach-s5pc100/include/mach/map.h b/arch/arm/mach-
>> >> s5pc100/include/mach/map.h
>> >> index c018697..3abe7f5 100644
>> >> --- a/arch/arm/mach-s5pc100/include/mach/map.h
>> >> +++ b/arch/arm/mach-s5pc100/include/mach/map.h
>> >> @@ -99,6 +99,10 @@
>> >>
>> >>  #define S5PC100_PA_FB                (0xEE000000)
>> >>
>> >> +#define S5PC100_PA_FIMC0     (0xEE200000)
>> >> +#define S5PC100_PA_FIMC1     (0xEE300000)
>> >> +#define S5PC100_PA_FIMC2     (0xEE400000)
>> >> +
>> >>  #define S5PC100_PA_I2S0              (0xF2000000)
>> >>  #define S5PC100_PA_I2S1              (0xF2100000)
>> >>  #define S5PC100_PA_I2S2              (0xF2200000)
>> >> @@ -143,6 +147,9 @@
>> >>  #define S3C_PA_ONENAND_BUF   S5PC100_PA_ONENAND_BUF
>> >>  #define S3C_SZ_ONENAND_BUF   S5PC100_SZ_ONENAND_BUF
>> >>  #define S3C_PA_RTC           S5PC100_PA_RTC
>> >> +#define S5P_PA_FIMC0         S5PC100_PA_FIMC0
>> >> +#define S5P_PA_FIMC1         S5PC100_PA_FIMC1
>> >> +#define S5P_PA_FIMC2         S5PC100_PA_FIMC2
>> >>
>> >>  #define SAMSUNG_PA_ADC               S5PC100_PA_TSADC
>> >>  #define SAMSUNG_PA_CFCON     S5PC100_PA_CFCON
>> >> diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
>> >> index ea09c32..a7446d4 100644
>> >> --- a/arch/arm/mach-s5pv210/cpu.c
>> >> +++ b/arch/arm/mach-s5pv210/cpu.c
>> >> @@ -37,6 +37,7 @@
>> >>  #include <plat/iic-core.h>
>> >>  #include <plat/keypad-core.h>
>> >>  #include <plat/sdhci.h>
>> >> +#include <plat/fimc-core.h>
>> >>  #include <plat/reset.h>
>> >>
>> >>  /* Initial IO mappings */
>> >> @@ -104,6 +105,10 @@ void __init s5pv210_map_io(void)
>> >>
>> >>       /* Use s5pv210-keypad instead of samsung-keypad */
>> >>       samsung_keypad_setname("s5pv210-keypad");
>> >> +
>> >> +     s3c_fimc_setname(0, "s5pv210-fimc");
>> >> +     s3c_fimc_setname(1, "s5pv210-fimc");
>> >> +     s3c_fimc_setname(2, "s5pv210-fimc");
>> >>  }
>> >>
>> >>  void __init s5pv210_init_clocks(int xtal)
>> >> diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-
>> >> s5pv210/include/mach/map.h
>> >> index 986b285..6a07e55 100644
>> >> --- a/arch/arm/mach-s5pv210/include/mach/map.h
>> >> +++ b/arch/arm/mach-s5pv210/include/mach/map.h
>> >> @@ -65,6 +65,10 @@
>> >>
>> >>  #define S5PV210_PA_FB                (0xF8000000)
>> >>
>> >> +#define S5PV210_PA_FIMC0     (0xFB200000)
>> >> +#define S5PV210_PA_FIMC1     (0xFB300000)
>> >> +#define S5PV210_PA_FIMC2     (0xFB400000)
>> >> +
>> >>  #define S5PV210_PA_HSMMC(x)  (0xEB000000 + ((x) * 0x100000))
>> >>
>> >>  #define S5PV210_PA_VIC0              (0xF2000000)
>> >> @@ -114,4 +118,8 @@
>> >>  #define SAMSUNG_PA_CFCON     S5PV210_PA_CFCON
>> >>  #define SAMSUNG_PA_KEYPAD    S5PV210_PA_KEYPAD
>> >>
>> >> +#define S5P_PA_FIMC0         S5PV210_PA_FIMC0
>> >> +#define S5P_PA_FIMC1         S5PV210_PA_FIMC1
>> >> +#define S5P_PA_FIMC2         S5PV210_PA_FIMC2
>> >
>> > To use one style is better for reading, merge conflict handling and so
> on...
>> > The style means to add S5P_PA_XXX after S3C_PA_XXX with C100 case or to
>> > modify above C100 case like this.
>>
>> Use the same conversion as previous one. are you okay?
>>
>> #define S5PV210_PA_VIC0         (0xF2000000)
>> #define S5P_PA_VIC0             S5PV210_PA_VIC0
>>
>> #define S5PV210_PA_VIC1         (0xF2100000)
>> #define S5P_PA_VIC1             S5PV210_PA_VIC1
>>
>> #define S5PV210_PA_VIC2         (0xF2200000)
>> #define S5P_PA_VIC2             S5PV210_PA_VIC2
>>
>> #define S5PV210_PA_VIC3         (0xF2300000)
>> #define S5P_PA_VIC3             S5PV210_PA_VIC3
>>
>> #define S5PV210_PA_SDRAM        (0x30000000)
>> #define S5P_PA_SDRAM            S5PV210_PA_SDRAM
>>
> No.
>
> Did you see above C100?
>
> --- C100
>
>  #define S3C_PA_ONENAND_BUF             S5PC100_PA_ONENAND_BUF
>  #define S3C_SZ_ONENAND_BUF             S5PC100_SZ_ONENAND_BUF
>  #define S3C_PA_RTC             S5PC100_PA_RTC
> +#define S5P_PA_FIMC0           S5PC100_PA_FIMC0
> +#define S5P_PA_FIMC1           S5PC100_PA_FIMC1
> +#define S5P_PA_FIMC2           S5PC100_PA_FIMC2
>
>  #define SAMSUNG_PA_ADC               S5PC100_PA_TSADC
>  #define SAMSUNG_PA_CFCON     S5PC100_PA_CFCON
>
> --- V210
>
>  #define SAMSUNG_PA_CFCON               S5PV210_PA_CFCON
>  #define SAMSUNG_PA_KEYPAD              S5PV210_PA_KEYPAD
>
> +#define S5P_PA_FIMC0           S5PV210_PA_FIMC0
> +#define S5P_PA_FIMC1           S5PV210_PA_FIMC1
> +#define S5P_PA_FIMC2           S5PV210_PA_FIMC2
>
> I mean it's just ordering.

Yes I also mean it don't separate the related definitions. so place
adjacent as the the previous.

>
>> >
>> >> +
>> >>  #endif /* __ASM_ARCH_MAP_H */
>> >> diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
>> >> index 907ac63..9c79106 100644
>> >> --- a/arch/arm/plat-s5p/Kconfig
>> >> +++ b/arch/arm/plat-s5p/Kconfig
>> >> @@ -5,6 +5,22 @@
>> >>  #
>> >>  # Licensed under GPLv2
>> >>
>> >> +config S5P_DEV_FIMC0
>> >> +     bool
>> >> +     help
>> >> +       Compile in platform device definitions for FIMC controller 0
>> >> +
>> >> +config S5P_DEV_FIMC1
>> >> +     bool
>> >> +     help
>> >> +       Compile in platform device definitions for FIMC controller 1
>> >> +
>> >> +config S5P_DEV_FIMC2
>> >> +     bool
>> >> +     help
>> >> +       Compile in platform device definitions for FIMC controller 2
>> >> +
>> >> +
>> >
>> > 2 empty lines.
>> >
>> >>  config PLAT_S5P
>> >>       bool
>> >>       depends on (ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PC100 ||
>> >> ARCH_S5PV210 || ARCH_S5PV310)
>> >> diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
>> >> index 7e34194..a2d9905 100644
>> >> --- a/arch/arm/plat-s5p/Makefile
>> >> +++ b/arch/arm/plat-s5p/Makefile
>> >> @@ -19,3 +19,6 @@ obj-y                               += clock.o
>> >>  obj-y                                += irq.o
>> >>  obj-$(CONFIG_S5P_EXT_INT)    += irq-eint.o
>> >>
>> >
>> > Please add '# devices' here...
>> It's not related with this patch.
>> >
>> >> +obj-$(CONFIG_S5P_DEV_FIMC0)  += dev-fimc0.o
>> >> +obj-$(CONFIG_S5P_DEV_FIMC1)  += dev-fimc1.o
>> >> +obj-$(CONFIG_S5P_DEV_FIMC2)  += dev-fimc2.o
>> >> diff --git a/arch/arm/plat-s5p/dev-fimc0.c
> b/arch/arm/plat-s5p/dev-fimc0.c
>> >> new file mode 100644
>> >> index 0000000..8849de4
>> >> --- /dev/null
>> >> +++ b/arch/arm/plat-s5p/dev-fimc0.c
>> >> @@ -0,0 +1,35 @@
>> >> +/* linux/arch/arm/plat-s5p/dev-fimc0.c
>> >> + *
>> >> + * Copyright (c) 2010 Samsung Electronics
>> >> + *
>> >> + * Base S5P FIMC0 resource and device definitions
>> >> + *
>> >> + * 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.
>> >> + */
>> >
>> > Being 1 empty line is better here.
>> >
>> >> +#include <linux/kernel.h>
>> >> +#include <linux/platform_device.h>
>> >> +#include <linux/interrupt.h>
>> >> +#include <linux/ioport.h>
>> >> +#include <mach/map.h>
>> >> +
>> >> +static struct resource s5p_fimc_resource[] = {
>> >
>> > Please change to s5p_fimc0_resource...it'd helpful to merging dev-fimcX
>> > files later...
>> >
>> >> +     [0] = {
>> >> +             .start  = S5P_PA_FIMC0,
>> >> +             .end    = S5P_PA_FIMC0 + SZ_1M - 1,
>> >> +             .flags  = IORESOURCE_MEM,
>> >> +     },
>> >> +     [1] = {
>> >> +             .start  = IRQ_FIMC0,
>> >> +             .end    = IRQ_FIMC0,
>> >> +             .flags  = IORESOURCE_IRQ,
>> >> +     },
>> >> +};
>> >> +
>> >> +struct platform_device s5p_device_fimc0 = {
>> >> +     .name           = "s5p-fimc",
>> >> +     .id             = 0,
>> >> +     .num_resources  = ARRAY_SIZE(s5p_fimc_resource),
>> >
>> > s5p_fimc0_resource...
>> >
>> >> +     .resource       = s5p_fimc_resource,
>> >
>> > s5p_fimc0_resource...
>> >
>> >> +};
>> >> diff --git a/arch/arm/plat-s5p/dev-fimc1.c
> b/arch/arm/plat-s5p/dev-fimc1.c
>> >> new file mode 100644
>> >> index 0000000..b1f8970
>> >> --- /dev/null
>> >> +++ b/arch/arm/plat-s5p/dev-fimc1.c
>> >> @@ -0,0 +1,35 @@
>> >> +/* linux/arch/arm/plat-s5p/dev-fimc1.c
>> >> + *
>> >> + * Copyright (c) 2010 Samsung Electronics
>> >> + *
>> >> + * Base S5P FIMC1 resource and device definitions
>> >> + *
>> >> + * 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/platform_device.h>
>> >> +#include <linux/interrupt.h>
>> >> +#include <linux/ioport.h>
>> >> +#include <mach/map.h>
>> >> +
>> >> +static struct resource s5p_fimc_resource[] = {
>> >> +     [0] = {
>> >> +             .start  = S5P_PA_FIMC1,
>> >> +             .end    = S5P_PA_FIMC1 + SZ_1M - 1,
>> >> +             .flags  = IORESOURCE_MEM,
>> >> +     },
>> >> +     [1] = {
>> >> +             .start  = IRQ_FIMC1,
>> >> +             .end    = IRQ_FIMC1,
>> >> +             .flags  = IORESOURCE_IRQ,
>> >> +     },
>> >> +};
>> >> +
>> >> +struct platform_device s5p_device_fimc1 = {
>> >> +     .name           = "s5p-fimc",
>> >> +     .id             = 1,
>> >> +     .num_resources  = ARRAY_SIZE(s5p_fimc_resource),
>> >> +     .resource       = s5p_fimc_resource,
>> >> +};
>> >> diff --git a/arch/arm/plat-s5p/dev-fimc2.c
> b/arch/arm/plat-s5p/dev-fimc2.c
>> >> new file mode 100644
>> >> index 0000000..20df59d
>> >> --- /dev/null
>> >> +++ b/arch/arm/plat-s5p/dev-fimc2.c
>> >> @@ -0,0 +1,35 @@
>> >> +/* linux/arch/arm/plat-s5p/dev-fimc2.c
>> >> + *
>> >> + * Copyright (c) 2010 Samsung Electronics
>> >> + *
>> >> + * Base S5P FIMC2 resource and device definitions
>> >> + *
>> >> + * 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/platform_device.h>
>> >> +#include <linux/interrupt.h>
>> >> +#include <linux/ioport.h>
>> >> +#include <mach/map.h>
>> >> +
>> >> +static struct resource s5p_fimc_resource[] = {
>> >> +     [0] = {
>> >> +             .start  = S5P_PA_FIMC2,
>> >> +             .end    = S5P_PA_FIMC2 + SZ_1M - 1,
>> >> +             .flags  = IORESOURCE_MEM,
>> >> +     },
>> >> +     [1] = {
>> >> +             .start  = IRQ_FIMC2,
>> >> +             .end    = IRQ_FIMC2,
>> >> +             .flags  = IORESOURCE_IRQ,
>> >> +     },
>> >> +};
>> >> +
>> >> +struct platform_device s5p_device_fimc2 = {
>> >> +     .name           = "s5p-fimc",
>> >> +     .id             = 2,
>> >> +     .num_resources  = ARRAY_SIZE(s5p_fimc_resource),
>> >> +     .resource       = s5p_fimc_resource,
>> >> +};
>> >
>> > This is just for your information...
>> > I'm working on handling plat device in case of various # of each AP FIMC
>> > with CONFIG_NR_FIMC...
>> > So in this case, all of plat data for FIMC will be merged into
>> > 'plat-s5p/dev-fimc.c' or 'devs.c' later.
>> > ...but I'm not sure some stuff...anyway...
>>
>> If you have these plan, then there's no reason to separate the
>> dev-fimcX as this patch, Just one file the dev-fimc from now.
>> Other devices are same rules.
>>
> If you want now, just 'dev-fimc.c' is ok...but in that case, need to add
> '#ifdef CONFIG_S5P_DEV_FIMCX' in there..and 'OR' in Makefile for dev-fimc.o
>
>> >
>> >> diff --git a/arch/arm/plat-samsung/include/plat/fimc-core.h
>> > b/arch/arm/plat-
>> >> samsung/include/plat/fimc-core.h
>> >> new file mode 100644
>> >> index 0000000..a884ede
>> >> --- /dev/null
>> >> +++ b/arch/arm/plat-samsung/include/plat/fimc-core.h
>> >> @@ -0,0 +1,45 @@
>> >> +/*
>> >> + * arch/arm/plat-samsung/include/plat/fimc-core.h
>> >> + *
>> >> + * Copyright 2010 Samsung Electronics Co., Ltd.
>> >> + *   Sylwester Nawrocki <s.nawrocki at samsung.com>
>> >> + *
>> >> + * Samsung camera interface driver core functions
>> >> + *
>> >> + * 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_PLAT_FIMC_CORE_H
>> >> +#define __ASM_PLAT_FIMC_CORE_H __FILE__
>> >> +
>> >> +/*
>> >> + * These functions are only for use with the core support code, such
> as
>> >> + * the CPU-specific initialization code.
>> >> + */
>> >> +
>> >> +#include <plat/fimc.h>
>> >> +
>> >> +/* Re-define device name to differentiate the subsystem in various
> SoCs.
>> > */
>> >> +static inline void s3c_fimc_setname(int id, char *name)
>> >> +{
>> >> +     switch (id) {
>> >> +#ifdef CONFIG_S5P_DEV_FIMC0
>> >> +     case 0:
>> >> +             s5p_device_fimc0.name = name;
>> >> +             break;
>> >> +#endif
>> >> +#ifdef CONFIG_S5P_DEV_FIMC1
>> >> +     case 1:
>> >> +             s5p_device_fimc1.name = name;
>> >> +             break;
>> >> +#endif
>> >> +#ifdef CONFIG_S5P_DEV_FIMC2
>> >> +     case 2:
>> >> +             s5p_device_fimc2.name = name;
>> >> +             break;
>> >> +#endif
>> >> +     }
>> >> +}
>> >> +
>> >> +#endif /* __ASM_PLAT_FIMC_CORE_H */
>> >> diff --git a/arch/arm/plat-samsung/include/plat/fimc.h b/arch/arm/plat-
>> >> samsung/include/plat/fimc.h
>> >> new file mode 100644
>> >> index 0000000..fda2040
>> >> --- /dev/null
>> >> +++ b/arch/arm/plat-samsung/include/plat/fimc.h
>> >> @@ -0,0 +1,22 @@
>> >> +/* linux/arch/arm/plat-samsung/include/plat/fimc.h
>> >> + *
>> >> + * Platform header file for S3C/S5P FIMC driver
>> >> + *
>> >> + * Copyright (c) 2010 Samsung Electronics
>> >> + *
>> >> + * Sylwester Nawrocki, <s.nawrocki at samsung.com>
>> >> + *
>> >> + * 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 FIMC_H_
>> >> +#define FIMC_H_
>> >> +
>> >> +#include <linux/platform_device.h>
>> >> +
>> >> +extern struct platform_device s5p_device_fimc0;
>> >> +extern struct platform_device s5p_device_fimc1;
>> >> +extern struct platform_device s5p_device_fimc2;
>> >
>> > Should being in 'plat-samsung/include/plat/devs.h'.
>> >
>> >> +
>> >> +#endif /* FIMC_H_ */
>> >> --
>> >
>> > Marek, could you please address as soon as possible?
>> >
>
>
> Thanks.
>
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



More information about the linux-arm-kernel mailing list