Commit cbe606f3 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

fbdev/sbus: Add initializer macros and Kconfig tokens for SBUS support 



Add macros to initialize struct fb_ops for drivers that support
framebuffers on Sparc's SBUS. Also add a Kconfig token that selects
the necessary helpers.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230806120926.5368-4-tzimmermann@suse.de
parent d3aeac86

drivers/video/fbdev/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -518,6 +518,12 @@ config FB_SBUS 
	help

	  Say Y if you want support for SBUS or UPA based frame buffer device.



config FB_SBUS_HELPERS

	bool

	select FB_CFB_COPYAREA

	select FB_CFB_FILLRECT

	select FB_CFB_IMAGEBLIT



config FB_BW2

	bool "BWtwo support"

	depends on (FB = y) && (SPARC && FB_SBUS)

drivers/video/fbdev/sbuslib.h

+31 −0
Original line number Diff line number Diff line
@@ -29,4 +29,35 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg, 
int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,

			unsigned long arg);



/*

 * Initialize struct fb_ops for SBUS I/O.

 */



#define __FB_DEFAULT_SBUS_OPS_RDWR(__prefix) \

	.fb_read	= fb_io_read, \

	.fb_write	= fb_io_write



#define __FB_DEFAULT_SBUS_OPS_DRAW(__prefix) \

	.fb_fillrect	= cfb_fillrect, \

	.fb_copyarea	= cfb_copyarea, \

	.fb_imageblit	= cfb_imageblit



#ifdef CONFIG_COMPAT

#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \

	.fb_ioctl		= __prefix ## _sbusfb_ioctl, \

	.fb_compat_ioctl	= sbusfb_compat_ioctl

#else

#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \

	.fb_ioctl	= __prefix ## _sbusfb_ioctl

#endif



#define __FB_DEFAULT_SBUS_OPS_MMAP(__prefix) \

	.fb_mmap	= __prefix ## _sbusfb_mmap



#define FB_DEFAULT_SBUS_OPS(__prefix) \

	__FB_DEFAULT_SBUS_OPS_RDWR(__prefix), \

	__FB_DEFAULT_SBUS_OPS_DRAW(__prefix), \

	__FB_DEFAULT_SBUS_OPS_IOCTL(__prefix), \

	__FB_DEFAULT_SBUS_OPS_MMAP(__prefix)



#endif /* _SBUSLIB_H */