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      1 /*	$NetBSD: mgafbvar.h,v 1.1 2026/03/17 10:03:02 macallan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Radoslaw Kujawa.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef MGAFBVAR_H
     32 #define MGAFBVAR_H
     33 
     34 #include "opt_mgafb.h"
     35 
     36 #include <dev/videomode/videomode.h>
     37 #include <dev/videomode/edidvar.h>
     38 
     39 #include <dev/i2c/i2cvar.h>
     40 
     41 #include <dev/wscons/wsdisplayvar.h>
     42 #include <dev/wscons/wsconsio.h>
     43 #include <dev/wsfont/wsfont.h>
     44 #include <dev/rasops/rasops.h>
     45 #include <dev/wscons/wsdisplay_vconsvar.h>
     46 #include <dev/wscons/wsdisplay_glyphcachevar.h>
     47 
     48 enum mgafb_chip {
     49 	MGAFB_CHIP_2064W,	/* MGA-2064W (Millennium) */
     50 	MGAFB_CHIP_2164W,	/* MGA-2164W (Millennium II) */
     51 	MGAFB_CHIP_1064SG,	/* MGA-1064SG (Mystique) */
     52 };
     53 
     54 struct mgafb_chip_info {
     55 	const char	*ci_name;	/* short chip name for messages */
     56 	uint32_t	ci_max_pclk;	/* default max pixel clock (kHz) */
     57 	uint32_t	ci_vram_default;/* fallback VRAM if probe skipped */
     58 	bool		ci_has_tvp3026;	/* external TVP3026 DAC? */
     59 	bool		ci_has_wram;	/* WRAM (vs SGRAM/SDRAM)? */
     60 	bool		ci_probe_vram;	/* can we probe VRAM size? */
     61 };
     62 
     63 struct mgafb_softc {
     64 	device_t		sc_dev;
     65 	pci_chipset_tag_t	sc_pc;
     66 	pcitag_t		sc_pcitag;
     67 
     68 	enum mgafb_chip		sc_chip;
     69 	const struct mgafb_chip_info *sc_ci;
     70 
     71 	/*
     72 	 * PInS data read from the card's ROM during attach.
     73 	 */
     74 	bool			sc_pins_valid;
     75 	uint32_t		sc_pins_mclk_khz;	/* system / MCLK target */
     76 	uint32_t		sc_pins_maxdac_khz;	/* max pixel clock */
     77 
     78 	bus_space_tag_t		sc_regt;
     79 	bus_space_handle_t	sc_regh;
     80 	bus_addr_t		sc_reg_pa;
     81 	bus_size_t		sc_reg_size;
     82 
     83 	bus_space_tag_t		sc_fbt;
     84 	bus_space_handle_t	sc_fbh;
     85 	bus_addr_t		sc_fb_pa;
     86 	bus_size_t		sc_fb_size;
     87 
     88 	bus_size_t		sc_vram_size;
     89 
     90 	const struct videomode	*sc_videomode;	/* selected video mode */
     91 
     92 	int			sc_width;
     93 	int			sc_height;
     94 	int			sc_depth;
     95 	int			sc_stride;	/* bytes per line */
     96 	int			sc_mode;
     97 	int			sc_video;	/* WSDISPLAYIO_VIDEO_ON/OFF */
     98 
     99 	struct vcons_data	vd;
    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 
    105 	uint8_t			sc_cmap_red[256];
    106 	uint8_t			sc_cmap_green[256];
    107 	uint8_t			sc_cmap_blue[256];
    108 
    109 	glyphcache		sc_gc;
    110 
    111 	struct mgafb_cursor {
    112 		bool		mc_enabled;
    113 		uint8_t		mc_r[2];	/* [0]=bg, [1]=fg */
    114 		uint8_t		mc_g[2];
    115 		uint8_t		mc_b[2];
    116 	}			sc_cursor;
    117 
    118 	struct i2c_controller	sc_i2c;
    119 	uint8_t			sc_ddc_ctl;
    120 	bool			sc_edid_valid;
    121 	uint8_t			sc_edid[128];
    122 	struct edid_info	sc_edid_info;
    123 };
    124 
    125 #endif /* MGAFBVAR_H */
    126