Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* sbuslib.h: SBUS fb helper library interfaces */
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#ifndef _SBUSLIB_H
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#define _SBUSLIB_H
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struct device_node;
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struct fb_info;
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struct fb_var_screeninfo;
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struct vm_area_struct;
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struct sbus_mmap_map {
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unsigned long voff;
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unsigned long poff;
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unsigned long size;
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};
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#define SBUS_MMAP_FBSIZE(n) (-n)
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#define SBUS_MMAP_EMPTY 0x80000000
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extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
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struct device_node *dp, int bpp);
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extern int sbusfb_mmap_helper(const struct sbus_mmap_map *map,
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unsigned long physbase, unsigned long fbsize,
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unsigned long iospace,
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struct vm_area_struct *vma);
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int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
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struct fb_info *info,
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int type, int fb_depth, unsigned long fb_size);
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int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
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unsigned long arg);
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/*
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* Initialize struct fb_ops for SBUS I/O.
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*/
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#define __FB_DEFAULT_SBUS_OPS_RDWR(__prefix) \
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.fb_read = fb_io_read, \
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.fb_write = fb_io_write
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#define __FB_DEFAULT_SBUS_OPS_DRAW(__prefix) \
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.fb_fillrect = cfb_fillrect, \
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.fb_copyarea = cfb_copyarea, \
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.fb_imageblit = cfb_imageblit
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#ifdef CONFIG_COMPAT
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#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \
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.fb_ioctl = __prefix ## _sbusfb_ioctl, \
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.fb_compat_ioctl = sbusfb_compat_ioctl
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#else
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#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \
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.fb_ioctl = __prefix ## _sbusfb_ioctl
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#endif
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#define __FB_DEFAULT_SBUS_OPS_MMAP(__prefix) \
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.fb_mmap = __prefix ## _sbusfb_mmap
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#define FB_DEFAULT_SBUS_OPS(__prefix) \
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__FB_DEFAULT_SBUS_OPS_RDWR(__prefix), \
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__FB_DEFAULT_SBUS_OPS_DRAW(__prefix), \
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__FB_DEFAULT_SBUS_OPS_IOCTL(__prefix), \
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__FB_DEFAULT_SBUS_OPS_MMAP(__prefix)
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#endif /* _SBUSLIB_H */
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