1 /* $NetBSD: genfbvar.h,v 1.22 2014/03/18 18:20:42 riastradh 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 1.22 2014/03/18 18:20:42 riastradh Exp $"); 31 32 #ifndef GENFBVAR_H 33 #define GENFBVAR_H 34 35 #ifdef _KERNEL_OPT 36 #include "opt_splash.h" 37 #endif 38 39 #include <sys/param.h> 40 #include <sys/buf.h> 41 #include <sys/conf.h> 42 #include <sys/device.h> 43 44 #include <sys/bus.h> 45 46 #include <dev/wscons/wsconsio.h> 47 #include <dev/wscons/wsdisplayvar.h> 48 #include <dev/rasops/rasops.h> 49 50 #include <dev/wscons/wsdisplay_vconsvar.h> 51 #ifdef _KERNEL_OPT 52 #include "opt_genfb.h" 53 #endif 54 55 #ifdef SPLASHSCREEN 56 #define GENFB_DISABLE_TEXT 57 #include <dev/splash/splash.h> 58 #endif 59 60 struct genfb_softc; 61 62 struct genfb_ops { 63 int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *); 64 paddr_t (*genfb_mmap)(void *, void *, off_t, int); 65 int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *); 66 }; 67 68 struct genfb_colormap_callback { 69 void *gcc_cookie; 70 void (*gcc_set_mapreg)(void *, int, int, int, int); 71 }; 72 73 /* 74 * Integer parameter provider. Each callback shall return 0 on success, 75 * and an error(2) number on failure. The gpc_upd_parameter callback is 76 * optional (i.e. it can be NULL). 77 * 78 * This structure is used for backlight and brightness control. The 79 * expected parameter range is: 80 * 81 * [0, 1] for backlight 82 * [0, 255] for brightness 83 */ 84 struct genfb_parameter_callback { 85 void *gpc_cookie; 86 int (*gpc_get_parameter)(void *, int *); 87 int (*gpc_set_parameter)(void *, int); 88 int (*gpc_upd_parameter)(void *, int); 89 }; 90 91 struct genfb_pmf_callback { 92 bool (*gpc_suspend)(device_t, const pmf_qual_t *); 93 bool (*gpc_resume)(device_t, const pmf_qual_t *); 94 }; 95 96 struct genfb_mode_callback { 97 bool (*gmc_setmode)(struct genfb_softc *, int); 98 }; 99 100 struct genfb_softc { 101 device_t sc_dev; 102 struct vcons_data vd; 103 struct genfb_ops sc_ops; 104 struct vcons_screen sc_console_screen; 105 struct wsscreen_descr sc_defaultscreen_descr; 106 const struct wsscreen_descr *sc_screens[1]; 107 struct wsscreen_list sc_screenlist; 108 struct genfb_colormap_callback *sc_cmcb; 109 struct genfb_pmf_callback *sc_pmfcb; 110 struct genfb_parameter_callback *sc_backlight; 111 struct genfb_parameter_callback *sc_brightness; 112 struct genfb_mode_callback *sc_modecb; 113 int sc_backlight_level, sc_backlight_on; 114 void *sc_fbaddr; /* kva */ 115 #ifdef GENFB_SHADOWFB 116 void *sc_shadowfb; 117 #endif 118 bus_addr_t sc_fboffset; /* bus address */ 119 int sc_width, sc_height, sc_stride, sc_depth; 120 size_t sc_fbsize; 121 int sc_mode; 122 u_char sc_cmap_red[256]; 123 u_char sc_cmap_green[256]; 124 u_char sc_cmap_blue[256]; 125 bool sc_want_clear; 126 #ifdef SPLASHSCREEN 127 struct splash_info sc_splash; 128 #endif 129 struct wsdisplay_accessops sc_accessops; 130 }; 131 132 void genfb_cnattach(void); 133 void genfb_disable(void); 134 int genfb_is_console(void); 135 int genfb_is_enabled(void); 136 void genfb_init(struct genfb_softc *); 137 int genfb_attach(struct genfb_softc *, struct genfb_ops *); 138 int genfb_borrow(bus_addr_t, bus_space_handle_t *); 139 void genfb_restore_palette(struct genfb_softc *); 140 void genfb_enable_polling(device_t); 141 void genfb_disable_polling(device_t); 142 143 #endif /* GENFBVAR_H */ 144