diff options
Diffstat (limited to 'arch/arm/plat-s5p/include/plat/fb.h')
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/fb.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/fb.h b/arch/arm/plat-s5p/include/plat/fb.h new file mode 100644 index 0000000..de4725b --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/fb.h @@ -0,0 +1,127 @@ +/* linux/arch/arm/plat-s3c/include/plat/fb.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * S3C - FB platform data 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. +*/ + +#ifndef __PLAT_S3C_FB_H +#define __PLAT_S3C_FB_H __FILE__ + +#ifdef CONFIG_FB_S3C + +#define FB_SWAP_WORD (1 << 24) +#define FB_SWAP_HWORD (1 << 16) +#define FB_SWAP_BYTE (1 << 8) +#define FB_SWAP_BIT (1 << 0) + +struct platform_device; +struct clk; + +struct s3c_platform_fb { + int hw_ver; + char clk_name[16]; + int nr_wins; + int nr_buffers[5]; + int default_win; + int swap; + phys_addr_t pmem_start[5]; /* starting physical address of memory region */ + size_t pmem_size[5]; /* size of memory region */ + void *lcd; + void (*cfg_gpio)(struct platform_device *dev); + int (*backlight_on)(struct platform_device *dev); + int (*backlight_onoff)(struct platform_device *dev, int onoff); + int (*reset_lcd)(struct platform_device *dev); + int (*clk_on)(struct platform_device *pdev, struct clk **s3cfb_clk); + int (*clk_off)(struct platform_device *pdev, struct clk **clk); +}; + +extern void s3cfb_set_platdata(struct s3c_platform_fb *fimd); + +/* defined by architecture to configure gpio */ +extern void s3cfb_cfg_gpio(struct platform_device *pdev); +extern int s3cfb_backlight_on(struct platform_device *pdev); +extern int s3cfb_backlight_onoff(struct platform_device *pdev, int onoff); +extern int s3cfb_reset_lcd(struct platform_device *pdev); +extern int s3cfb_clk_on(struct platform_device *pdev, struct clk **s3cfb_clk); +extern int s3cfb_clk_off(struct platform_device *pdev, struct clk **clk); +extern void s3cfb_get_clk_name(char *clk_name); + +#else + +#ifdef CONFIG_S3C_FB + +/** + * struct s3c_fb_pd_win - per window setup data + * @win_mode: The display parameters to initialise (not for window 0) + * @virtual_x: The virtual X size. + * @virtual_y: The virtual Y size. + */ +struct s3c_fb_pd_win { + struct fb_videomode win_mode; + + unsigned short default_bpp; + unsigned short max_bpp; + unsigned short virtual_x; + unsigned short virtual_y; +}; + +/** + * struct s3c_fb_platdata - S3C driver platform specific information + * @setup_gpio: Setup the external GPIO pins to the right state to transfer + * the data from the display system to the connected display + * device. + * @vidcon0: The base vidcon0 values to control the panel data format. + * @vidcon1: The base vidcon1 values to control the panel data output. + * @win: The setup data for each hardware window, or NULL for unused. + * @display_mode: The LCD output display mode. + * + * The platform data supplies the video driver with all the information + * it requires to work with the display(s) attached to the machine. It + * controls the initial mode, the number of display windows (0 is always + * the base framebuffer) that are initialised etc. + * + */ +struct s3c_fb_platdata { + void (*setup_gpio)(void); + + struct s3c_fb_pd_win *win[S3C_FB_MAX_WIN]; + + u32 vidcon0; + u32 vidcon1; +}; + +/** + * s3c_fb_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 s3c_fb_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. + */ +extern void s3c64xx_fb_gpio_setup_24bpp(void); + +/** + * s5pc100_fb_gpio_setup_24bpp() - S5PC100 setup function for 24bpp LCD + * + * Initialise the GPIO for an 24bpp LCD display on the RGB interface. + */ +extern void s5pc100_fb_gpio_setup_24bpp(void); + +#endif /* CONFIG_FB */ + +#endif + +#endif /* __PLAT_S3C_FB_H */ |