127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/* $NetBSD: genfbvar.h,v 1.28 2022/07/17 13:10:54 riastradh Exp $ */
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/*-
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* Copyright (c) 2007 Michael Lorenz
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GENFBVAR_H
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#define GENFBVAR_H
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#ifdef _KERNEL_OPT
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#include "opt_splash.h"
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#endif
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#include <sys/param.h>
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#include <sys/buf.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/rasops/rasops.h>
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#include <dev/wscons/wsdisplay_vconsvar.h>
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#ifdef _KERNEL_OPT
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#include "opt_genfb.h"
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#endif
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#ifdef SPLASHSCREEN
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#define GENFB_DISABLE_TEXT
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#include <dev/splash/splash.h>
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#endif
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#if GENFB_GLYPHCACHE > 0
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#include <dev/wscons/wsdisplay_glyphcachevar.h>
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#endif
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struct genfb_softc;
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struct genfb_ops {
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int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *);
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paddr_t (*genfb_mmap)(void *, void *, off_t, int);
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int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *);
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int (*genfb_enable_polling)(void *);
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int (*genfb_disable_polling)(void *);
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};
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struct genfb_colormap_callback {
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void *gcc_cookie;
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void (*gcc_set_mapreg)(void *, int, int, int, int);
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};
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/*
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* Integer parameter provider. Each callback shall return 0 on success,
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* and an error(2) number on failure. The gpc_upd_parameter callback is
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* optional (i.e. it can be NULL).
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*
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* This structure is used for backlight and brightness control. The
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* expected parameter range is:
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*
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* [0, 1] for backlight
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* [0, 255] for brightness
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*/
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struct genfb_parameter_callback {
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void *gpc_cookie;
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int (*gpc_get_parameter)(void *, int *);
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int (*gpc_set_parameter)(void *, int);
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int (*gpc_upd_parameter)(void *, int);
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};
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struct genfb_pmf_callback {
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bool (*gpc_suspend)(device_t, const pmf_qual_t *);
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bool (*gpc_resume)(device_t, const pmf_qual_t *);
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};
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struct genfb_mode_callback {
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bool (*gmc_setmode)(struct genfb_softc *, int);
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};
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struct genfb_softc {
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device_t sc_dev;
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struct genfb_private *sc_private;
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struct vcons_data vd;
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struct genfb_pmf_callback *sc_pmfcb;
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void *sc_fbaddr; /* kva */
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bus_addr_t sc_fboffset; /* bus address */
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int sc_width, sc_height, sc_stride, sc_depth;
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size_t sc_fbsize;
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};
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void genfb_cnattach(void);
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int genfb_cndetach(void);
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void genfb_disable(void);
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int genfb_is_console(void);
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int genfb_is_enabled(void);
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void genfb_init(struct genfb_softc *);
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int genfb_attach(struct genfb_softc *, struct genfb_ops *);
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int genfb_borrow(bus_addr_t, bus_space_handle_t *);
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void genfb_restore_palette(struct genfb_softc *);
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void genfb_enable_polling(device_t);
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void genfb_disable_polling(device_t);
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#endif /* GENFBVAR_H */
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