| 1 | /* $NetBSD: genfbvar.h,v 1.24 2014/07/24 21:35:13 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 | #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 | #ifdef GENFB_SHADOWFB |
| 115 | void *sc_shadowfb; |
| 116 | #endif |
| 117 | bus_addr_t sc_fboffset; /* bus address */ |
| 118 | int sc_width, sc_height, sc_stride, sc_depth; |
| 119 | size_t sc_fbsize; |
| 120 | int sc_mode; |
| 121 | u_char sc_cmap_red[256]; |
| 122 | u_char sc_cmap_green[256]; |
| 123 | u_char sc_cmap_blue[256]; |
| 124 | bool sc_want_clear; |
| 125 | #ifdef SPLASHSCREEN |
| 126 | struct splash_info sc_splash; |
| 127 | #endif |
| 128 | struct wsdisplay_accessops sc_accessops; |
| 129 | }; |
| 130 | |
| 131 | void genfb_cnattach(void); |
| 132 | void genfb_disable(void); |
| 133 | int genfb_is_console(void); |
| 134 | int genfb_is_enabled(void); |
| 135 | void genfb_init(struct genfb_softc *); |
| 136 | int genfb_attach(struct genfb_softc *, struct genfb_ops *); |
| 137 | int genfb_borrow(bus_addr_t, bus_space_handle_t *); |
| 138 | void genfb_restore_palette(struct genfb_softc *); |
| 139 | void genfb_enable_polling(device_t); |
| 140 | void genfb_disable_polling(device_t); |
| 141 | |
| 142 | #endif /* GENFBVAR_H */ |
| 143 | |