1 /* $NetBSD: genfbvar.h,v 1.25 2017/02/25 01:11:55 nonaka 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 #ifndef GENFBVAR_H 30 #define GENFBVAR_H 31 32 #ifdef _KERNEL_OPT 33 #include "opt_splash.h" 34 #endif 35 36 #include <sys/param.h> 37 #include <sys/buf.h> 38 #include <sys/conf.h> 39 #include <sys/device.h> 40 41 #include <sys/bus.h> 42 43 #include <dev/wscons/wsconsio.h> 44 #include <dev/wscons/wsdisplayvar.h> 45 #include <dev/rasops/rasops.h> 46 47 #include <dev/wscons/wsdisplay_vconsvar.h> 48 #ifdef _KERNEL_OPT 49 #include "opt_genfb.h" 50 #endif 51 52 #ifdef SPLASHSCREEN 53 #define GENFB_DISABLE_TEXT 54 #include <dev/splash/splash.h> 55 #endif 56 57 struct genfb_softc; 58 59 struct genfb_ops { 60 int (*genfb_ioctl)(void *, void *, u_long, void *, int, struct lwp *); 61 paddr_t (*genfb_mmap)(void *, void *, off_t, int); 62 int (*genfb_borrow)(void *, bus_addr_t, bus_space_handle_t *); 63 int (*genfb_enable_polling)(void *); 64 int (*genfb_disable_polling)(void *); 65 }; 66 67 struct genfb_colormap_callback { 68 void *gcc_cookie; 69 void (*gcc_set_mapreg)(void *, int, int, int, int); 70 }; 71 72 /* 73 * Integer parameter provider. Each callback shall return 0 on success, 74 * and an error(2) number on failure. The gpc_upd_parameter callback is 75 * optional (i.e. it can be NULL). 76 * 77 * This structure is used for backlight and brightness control. The 78 * expected parameter range is: 79 * 80 * [0, 1] for backlight 81 * [0, 255] for brightness 82 */ 83 struct genfb_parameter_callback { 84 void *gpc_cookie; 85 int (*gpc_get_parameter)(void *, int *); 86 int (*gpc_set_parameter)(void *, int); 87 int (*gpc_upd_parameter)(void *, int); 88 }; 89 90 struct genfb_pmf_callback { 91 bool (*gpc_suspend)(device_t, const pmf_qual_t *); 92 bool (*gpc_resume)(device_t, const pmf_qual_t *); 93 }; 94 95 struct genfb_mode_callback { 96 bool (*gmc_setmode)(struct genfb_softc *, int); 97 }; 98 99 struct genfb_softc { 100 device_t sc_dev; 101 struct vcons_data vd; 102 struct genfb_ops sc_ops; 103 struct vcons_screen sc_console_screen; 104 struct wsscreen_descr sc_defaultscreen_descr; 105 const struct wsscreen_descr *sc_screens[1]; 106 struct wsscreen_list sc_screenlist; 107 struct genfb_colormap_callback *sc_cmcb; 108 struct genfb_pmf_callback *sc_pmfcb; 109 struct genfb_parameter_callback *sc_backlight; 110 struct genfb_parameter_callback *sc_brightness; 111 struct genfb_mode_callback *sc_modecb; 112 int sc_backlight_level, sc_backlight_on; 113 void *sc_fbaddr; /* kva */ 114 void *sc_shadowfb; 115 bool sc_enable_shadowfb; 116 bus_addr_t sc_fboffset; /* bus address */ 117 int sc_width, sc_height, sc_stride, sc_depth; 118 size_t sc_fbsize; 119 int sc_mode; 120 u_char sc_cmap_red[256]; 121 u_char sc_cmap_green[256]; 122 u_char sc_cmap_blue[256]; 123 bool sc_want_clear; 124 #ifdef SPLASHSCREEN 125 struct splash_info sc_splash; 126 #endif 127 struct wsdisplay_accessops sc_accessops; 128 }; 129 130 void genfb_cnattach(void); 131 void genfb_disable(void); 132 int genfb_is_console(void); 133 int genfb_is_enabled(void); 134 void genfb_init(struct genfb_softc *); 135 int genfb_attach(struct genfb_softc *, struct genfb_ops *); 136 int genfb_borrow(bus_addr_t, bus_space_handle_t *); 137 void genfb_restore_palette(struct genfb_softc *); 138 void genfb_enable_polling(device_t); 139 void genfb_disable_polling(device_t); 140 141 #endif /* GENFBVAR_H */ 142