1 /* $NetBSD: genfbvar.h,v 1.21 2011/07/13 22:47:29 macallan Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: genfbvar.h,v 1.21 2011/07/13 22:47:29 macallan Exp $"); 31 32 #ifndef GENFBVAR_H 33 #define GENFBVAR_H 34 35 #include "opt_splash.h" 36 37 #include <sys/param.h> 38 #include <sys/buf.h> 39 #include <sys/conf.h> 40 #include <sys/device.h> 41 42 #include <sys/bus.h> 43 44 #include <dev/wscons/wsconsio.h> 45 #include <dev/wscons/wsdisplayvar.h> 46 #include <dev/rasops/rasops.h> 47 48 #include <dev/wscons/wsdisplay_vconsvar.h> 49 #include "opt_genfb.h" 50 51 #ifdef SPLASHSCREEN 52 #define GENFB_DISABLE_TEXT 53 #include <dev/splash/splash.h> 54 #endif 55 56 struct genfb_softc; 57 58 struct genfb_ops { 59 int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *); 60 paddr_t (*genfb_mmap)(void *, void *, off_t, int); 61 int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *); 62 }; 63 64 struct genfb_colormap_callback { 65 void *gcc_cookie; 66 void (*gcc_set_mapreg)(void *, int, int, int, int); 67 }; 68 69 /* 70 * Integer parameter provider. Each callback shall return 0 on success, 71 * and an error(2) number on failure. The gpc_upd_parameter callback is 72 * optional (i.e. it can be NULL). 73 * 74 * This structure is used for backlight and brightness control. The 75 * expected parameter range is: 76 * 77 * [0, 1] for backlight 78 * [0, 255] for brightness 79 */ 80 struct genfb_parameter_callback { 81 void *gpc_cookie; 82 int (*gpc_get_parameter)(void *, int *); 83 int (*gpc_set_parameter)(void *, int); 84 int (*gpc_upd_parameter)(void *, int); 85 }; 86 87 struct genfb_pmf_callback { 88 bool (*gpc_suspend)(device_t, const pmf_qual_t *); 89 bool (*gpc_resume)(device_t, const pmf_qual_t *); 90 }; 91 92 struct genfb_mode_callback { 93 bool (*gmc_setmode)(struct genfb_softc *, int); 94 }; 95 96 struct genfb_softc { 97 device_t sc_dev; 98 struct vcons_data vd; 99 struct genfb_ops sc_ops; 100 struct vcons_screen sc_console_screen; 101 struct wsscreen_descr sc_defaultscreen_descr; 102 const struct wsscreen_descr *sc_screens[1]; 103 struct wsscreen_list sc_screenlist; 104 struct genfb_colormap_callback *sc_cmcb; 105 struct genfb_pmf_callback *sc_pmfcb; 106 struct genfb_parameter_callback *sc_backlight; 107 struct genfb_parameter_callback *sc_brightness; 108 struct genfb_mode_callback *sc_modecb; 109 int sc_backlight_level, sc_backlight_on; 110 void *sc_fbaddr; /* kva */ 111 #ifdef GENFB_SHADOWFB 112 void *sc_shadowfb; 113 #endif 114 bus_addr_t sc_fboffset; /* bus address */ 115 int sc_width, sc_height, sc_stride, sc_depth; 116 size_t sc_fbsize; 117 int sc_mode; 118 u_char sc_cmap_red[256]; 119 u_char sc_cmap_green[256]; 120 u_char sc_cmap_blue[256]; 121 bool sc_want_clear; 122 #ifdef SPLASHSCREEN 123 struct splash_info sc_splash; 124 #endif 125 struct wsdisplay_accessops sc_accessops; 126 }; 127 128 void genfb_cnattach(void); 129 void genfb_disable(void); 130 int genfb_is_console(void); 131 int genfb_is_enabled(void); 132 void genfb_init(struct genfb_softc *); 133 int genfb_attach(struct genfb_softc *, struct genfb_ops *); 134 int genfb_borrow(bus_addr_t, bus_space_handle_t *); 135 void genfb_restore_palette(struct genfb_softc *); 136 void genfb_enable_polling(device_t); 137 void genfb_disable_polling(device_t); 138 139 #endif /* GENFBVAR_H */ 140