This patch creates a file which holds the framebuffer and LCD code which is common for SMDK6440 and SMDK6450. It mainly includes: -- Basic FB window definition. -- platform data for FB and LCD. -- platform_device support for LCD. Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> --- arch/arm/mach-s5p64x0/Kconfig | 5 ++ arch/arm/mach-s5p64x0/Makefile | 3 + arch/arm/mach-s5p64x0/common-fb.c | 92 ++++++++++++++++++++++++ arch/arm/mach-s5p64x0/include/mach/common-fb.h | 26 +++++++ 4 files changed, 126 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-s5p64x0/common-fb.c create mode 100644 arch/arm/mach-s5p64x0/include/mach/common-fb.h diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig index 4fee745..ed87151 100644 --- a/arch/arm/mach-s5p64x0/Kconfig +++ b/arch/arm/mach-s5p64x0/Kconfig @@ -32,6 +32,11 @@ config S5P64X0_SETUP_I2C1 help Common setup code for i2c bus 1. +config COMMON_FB + bool + help + Common framebuffer and LCD code which can be shared across SMDKs. + # machine support config MACH_SMDK6440 diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile index 487d179..e5e90f9 100644 --- a/arch/arm/mach-s5p64x0/Makefile +++ b/arch/arm/mach-s5p64x0/Makefile @@ -22,6 +22,9 @@ obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o obj-$(CONFIG_MACH_SMDK6450) += mach-smdk6450.o +#common code +obj-$(CONFIG_COMMON_FB) += common-fb.o + # device support obj-y += dev-audio.o diff --git a/arch/arm/mach-s5p64x0/common-fb.c b/arch/arm/mach-s5p64x0/common-fb.c new file mode 100644 index 0000000..a5531ef --- /dev/null +++ b/arch/arm/mach-s5p64x0/common-fb.c @@ -0,0 +1,92 @@ +/* linux/arch/arm/mach-s5p64x0/common-fb.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Includes definitions for variables and functions + * needed in order to support framebuffer. + * Note that this code is common across SMDK6440 and SMDK6450. + * + * 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/gpio.h> + +#include <mach/regs-clock.h> +#include <mach/common-fb.h> + +#include <plat/devs.h> +#include <plat/regs-fb.h> + +/* Frame Buffer */ +struct s3c_fb_pd_win smdk64x0_fb_win0 = { + .win_mode = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, + .refresh = 60, + }, + .max_bpp = 32, + .default_bpp = 24, +}; + +struct s3c_fb_platdata smdk64x0_lcd_pdata __initdata = { + .win[0] = &smdk64x0_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, +}; + +/* LCD power controller */ +void smdk64x0_lte480_reset_power(struct plat_lcd_data *pd, + unsigned int power) +{ + unsigned int cfg; + int err; + + if (power) { + cfg = readl(S5P64X0_SYS_ID) & 0xf0000; + if (cfg == 0x40000) { + err = gpio_request(S5P6440_GPN(5), "GPN"); + if (err) { + printk(KERN_ERR "failed to request GPN for lcd reset\n"); + return; + } + + gpio_direction_output(S5P6440_GPN(5), 1); + gpio_set_value(S5P6440_GPN(5), 0); + gpio_set_value(S5P6440_GPN(5), 1); + gpio_free(S5P6440_GPN(5)); + } else if (cfg == 0x50000) { + err = gpio_request(S5P6450_GPN(5), "GPN"); + if (err) { + printk(KERN_ERR "failed to request GPN for lcd reset\n"); + return; + } + + gpio_direction_output(S5P6450_GPN(5), 1); + gpio_set_value(S5P6450_GPN(5), 0); + gpio_set_value(S5P6450_GPN(5), 1); + gpio_free(S5P6450_GPN(5)); + } + } +} + +struct plat_lcd_data smdk64x0_lcd_power_data = { + .set_power = smdk64x0_lte480_reset_power, +}; + +struct platform_device smdk64x0_lcd_lte480wv = { + .name = "platform-lcd", + .dev = { + .parent = &s3c_device_fb.dev, + .platform_data = &smdk64x0_lcd_power_data, + } +}; diff --git a/arch/arm/mach-s5p64x0/include/mach/common-fb.h b/arch/arm/mach-s5p64x0/include/mach/common-fb.h new file mode 100644 index 0000000..c239623 --- /dev/null +++ b/arch/arm/mach-s5p64x0/include/mach/common-fb.h @@ -0,0 +1,26 @@ +/* linux/arch/arm/mach-s5p64x0/include/mach/common-fb.h + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Includes declarations for variables and functions + * needed in order to support 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/fb.h> +#include <linux/platform_device.h> + +#include <video/platform_lcd.h> + +#include <plat/fb.h> + +extern struct s3c_fb_pd_win smdk64x0_fb_win0; +extern struct s3c_fb_platdata smdk64x0_lcd_pdata; +extern struct plat_lcd_data smdk64x0_lcd_power_data; +extern struct platform_device smdk64x0_lcd_lte480wv; +extern void smdk64x0_lte480_reset_power(struct plat_lcd_data *pd, + unsigned int power); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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