Kamil Debski wrote:
>
> This patch adds platform support for Multi Format Codec 5.1.
> MFC 5.1 is capable of handling a range of video codecs and this driver
> provides V4L2 interface for video decoding.
>
> Signed-off-by: Kamil Debski <k.deb...@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
> ---
> arch/arm/mach-s5pv310/clock.c | 28 ++++++++++++-
> arch/arm/mach-s5pv310/include/mach/map.h | 2 +
> arch/arm/mach-s5pv310/include/mach/regs-clock.h | 3 +
> arch/arm/plat-s5p/Kconfig | 5 ++
> arch/arm/plat-s5p/Makefile | 2 +-
> arch/arm/plat-s5p/dev-mfc.c | 49
> +++++++++++++++++++++++
> arch/arm/plat-samsung/include/plat/devs.h | 1 +
> 7 files changed, 88 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm/plat-s5p/dev-mfc.c
>
> diff --git a/arch/arm/mach-s5pv310/clock.c b/arch/arm/mach-s5pv310/clock.c
> index f142b8c..d28fa6f 100644
> --- a/arch/arm/mach-s5pv310/clock.c
> +++ b/arch/arm/mach-s5pv310/clock.c
> @@ -523,6 +523,11 @@ static struct clk init_clocks_off[] = {
> .enable = s5pv310_clk_ip_lcd1_ctrl,
> .ctrlbit = (1 << 0),
> }, {
> + .name = "mfc",
> + .id = -1,
> + .enable = s5pv310_clk_ip_mfc_ctrl,
Where is "s5pv310_clk_ip_mfc_ctrl" in your patch or mainline?
Please make sure that your patch can be applied into current maintainer's
tree before submitting.
> + .ctrlbit = (1 << 0),
> + }, {
> .name = "hsmmc",
> .id = 0,
> .parent = &clk_aclk_133.clk,
> @@ -734,6 +739,18 @@ static struct clksrc_sources clkset_group = {
> .nr_sources = ARRAY_SIZE(clkset_group_list),
> };
>
> +static struct clk *clkset_group1_list[] = {
What group1? We can know it is used for MFC now, but if there is in just
clock.c, can't do it.
> + [0] = &clk_mout_mpll.clk,
> + [1] = &clk_sclk_apll.clk,
> + [2] = &clk_mout_epll.clk,
> + [3] = &clk_sclk_vpll.clk,
As you know, above sources are not connected to one same MUX, so should be
separated.
> +};
> +
> +static struct clksrc_sources clkset_group1 = {
> + .sources = clkset_group1_list,
> + .nr_sources = ARRAY_SIZE(clkset_group1_list),
> +};
> +
> static struct clk *clkset_mout_g2d0_list[] = {
> [0] = &clk_mout_mpll.clk,
> [1] = &clk_sclk_apll.clk,
> @@ -1076,7 +1093,16 @@ static struct clksrc_clk clksrcs[] = {
> .ctrlbit = (1 << 16),
> },
> .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8
},
> - }
> + }, {
> + .clk = {
> + .name = "sclk_mfc",
> + .id = -1,
> + },
> + .sources = &clkset_group1,
> + .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 8, .size = 1 },
> + .reg_div = { .reg = S5P_CLKDIV_MFC, .shift = 0, .size = 4 },
> + },
> +
> };
>
> /* Clock initialization code */
> diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-
> s5pv310/include/mach/map.h
> index 0db3a47..576ba55 100644
> --- a/arch/arm/mach-s5pv310/include/mach/map.h
> +++ b/arch/arm/mach-s5pv310/include/mach/map.h
> @@ -29,6 +29,7 @@
> #define S5PV310_PA_FIMC1 0x11810000
> #define S5PV310_PA_FIMC2 0x11820000
> #define S5PV310_PA_FIMC3 0x11830000
> +#define S5PV310_PA_MFC 0x13400000
> #define S5PV310_PA_I2S0 0x03830000
> #define S5PV310_PA_I2S1 0xE3100000
> #define S5PV310_PA_I2S2 0xE2A00000
> @@ -129,6 +130,7 @@
> #define S5P_PA_FIMC1 S5PV310_PA_FIMC1
> #define S5P_PA_FIMC2 S5PV310_PA_FIMC2
> #define S5P_PA_FIMC3 S5PV310_PA_FIMC3
> +#define S5P_PA_MFC S5PV310_PA_MFC
> #define S5P_PA_ONENAND S5PC210_PA_ONENAND
> #define S5P_PA_ONENAND_DMA S5PC210_PA_ONENAND_DMA
> #define S5P_PA_SDRAM S5PV310_PA_SDRAM
> diff --git a/arch/arm/mach-s5pv310/include/mach/regs-clock.h
b/arch/arm/mach-
> s5pv310/include/mach/regs-clock.h
> index 9ef5f0c..f6b8181 100644
> --- a/arch/arm/mach-s5pv310/include/mach/regs-clock.h
> +++ b/arch/arm/mach-s5pv310/include/mach/regs-clock.h
> @@ -176,4 +176,7 @@
>
> #define S5P_EPLL_CON S5P_EPLL_CON0
>
> +/* MFC related */
> +#define S5P_CLKSRC_MFC S5P_CLKREG(0x0C228)
> +#define S5P_CLKDIV_MFC S5P_CLKREG(0x0C528)
> #endif /* __ASM_ARCH_REGS_CLOCK_H */
> diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
> index 4166964..ea9032e 100644
> --- a/arch/arm/plat-s5p/Kconfig
> +++ b/arch/arm/plat-s5p/Kconfig
> @@ -5,6 +5,11 @@
> #
> # Licensed under GPLv2
>
> +config S5P_DEV_MFC
> + bool
> + help
> + Compile in platform device definitions for MFC
> +
Hmm...above S5P_DEV_MFC should be moved after PLAT_S5P?
> config PLAT_S5P
> bool
> depends on (ARCH_S5P64X0 || ARCH_S5P6442 || ARCH_S5PC100 ||
> ARCH_S5PV210 || ARCH_S5PV310)
> diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
> index cfcd1db..54e330d 100644
> --- a/arch/arm/plat-s5p/Makefile
> +++ b/arch/arm/plat-s5p/Makefile
> @@ -24,7 +24,7 @@ obj-$(CONFIG_SUSPEND) += pm.o
> obj-$(CONFIG_SUSPEND) += irq-pm.o
>
> # devices
> -
> +obj-$(CONFIG_S5P_DEV_MFC) += dev-mfc.o
> obj-$(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-mfc.c b/arch/arm/plat-s5p/dev-mfc.c
> new file mode 100644
> index 0000000..0dfcb1a
> --- /dev/null
> +++ b/arch/arm/plat-s5p/dev-mfc.c
> @@ -0,0 +1,49 @@
> +/* linux/arch/arm/plat-s5p/dev-mfc.c
> + *
> + * Copyright (c) 2010 Samsung Electronics
> + *
> + * Base S5P MFC 5.1 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/interrupt.h>
> +#include <linux/platform_device.h>
> +#include <linux/dma-mapping.h>
> +#include <linux/ioport.h>
> +
> +#include <mach/map.h>
> +#include <plat/devs.h>
> +#include <plat/irqs.h>
> +
> +static struct resource s5p_mfc_resource[] = {
> + [0] = {
> + .start = S5P_PA_MFC,
> + .end = S5P_PA_MFC + SZ_64K - 1,
> + .flags = IORESOURCE_MEM,
> + },
> + [1] = {
> + .start = IRQ_MFC,
> + .end = IRQ_MFC,
> + .flags = IORESOURCE_IRQ,
> + }
> +};
> +
> +static u64 s5p_mfc_dma_mask = DMA_BIT_MASK(32);
> +
> +struct platform_device s5p_device_mfc = {
> + .name = "s5p-mfc",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(s5p_mfc_resource),
> + .resource = s5p_mfc_resource,
> + .dev = {
> + .dma_mask = &s5p_mfc_dma_mask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> +};
> +
> +EXPORT_SYMBOL(s5p_device_mfc);
> diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-
> samsung/include/plat/devs.h
> index 9f42dee..6a869b8 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -135,6 +135,7 @@ extern struct platform_device s5p_device_fimc1;
> extern struct platform_device s5p_device_fimc2;
> extern struct platform_device s5p_device_fimc3;
>
> +extern struct platform_device s5p_device_mfc;
> extern struct platform_device s5p_device_mipi_csis0;
> extern struct platform_device s5p_device_mipi_csis1;
>
> --
> 1.6.3.3
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene....@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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