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tgavar.h revision 1.2 
      1 /* $NetBSD: tgavar.h,v 1.2 1998/08/13 02:10:55 eeh Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 #include <dev/pci/tgareg.h>
     31 #include <dev/rcons/raster.h>
     32 #include <dev/wscons/wsconsio.h>
     33 #include <dev/wscons/wscons_raster.h>
     34 
     35 struct tga_devconfig;
     36 struct fbcmap;
     37 struct fbcursor;
     38 struct fbcurpos;
     39 
     40 struct tga_ramdac_conf {
     41 	char	*tgar_name;
     42 	void	(*tgar_init) __P((struct tga_devconfig *, int));
     43 	int	(*tgar_intr) __P((void *));
     44 	int	(*tgar_set_cmap) __P((struct tga_devconfig *,
     45 		    struct wsdisplay_cmap *));
     46 	int	(*tgar_get_cmap) __P((struct tga_devconfig *,
     47 		    struct wsdisplay_cmap *));
     48 	int	(*tgar_set_cursor) __P((struct tga_devconfig *,
     49 		    struct wsdisplay_cursor *));
     50 	int	(*tgar_get_cursor) __P((struct tga_devconfig *,
     51 		    struct wsdisplay_cursor *));
     52 	int	(*tgar_set_curpos) __P((struct tga_devconfig *,
     53 		    struct wsdisplay_curpos *));
     54 	int	(*tgar_get_curpos) __P((struct tga_devconfig *,
     55 		    struct wsdisplay_curpos *));
     56 	int	(*tgar_get_curmax) __P((struct tga_devconfig *,
     57 		    struct wsdisplay_curpos *));
     58 };
     59 
     60 struct tga_conf {
     61 	char	    *tgac_name;		/* name for this board type */
     62 
     63 	const struct tga_ramdac_conf
     64 		    *tgac_ramdac;	/* the RAMDAC type; see above */
     65 	int	    tgac_phys_depth;	/* physical frame buffer depth */
     66 	vsize_t   tgac_cspace_size;	/* core space size */
     67 	vsize_t   tgac_vvbr_units;	/* what '1' in the VVBR means */
     68 
     69 	int	    tgac_ndbuf;		/* number of display buffers */
     70 	vaddr_t tgac_dbuf[2];	/* display buffer offsets/addresses */
     71 	vsize_t   tgac_dbufsz[2];	/* display buffer sizes */
     72 
     73 	int	    tgac_nbbuf;		/* number of display buffers */
     74 	vaddr_t tgac_bbuf[2];	/* back buffer offsets/addresses */
     75 	vsize_t   tgac_bbufsz[2];	/* back buffer sizes */
     76 };
     77 
     78 struct tga_devconfig {
     79 	bus_space_tag_t dc_memt;
     80 	pci_chipset_tag_t dc_pc;
     81 
     82 	pcitag_t   	 dc_pcitag;	/* PCI tag */
     83 	bus_addr_t	 dc_pcipaddr;	/* PCI phys addr. */
     84 
     85 	tga_reg_t   *dc_regs;		/* registers; XXX: need aliases */
     86 
     87 	int	    dc_tga_type;	/* the device type; see below */
     88 	const struct tga_conf *dc_tgaconf; /* device buffer configuration */
     89 
     90 	vaddr_t dc_vaddr;		/* memory space virtual base address */
     91 	paddr_t dc_paddr;		/* memory space physical base address */
     92 
     93 	int	    dc_wid;		/* width of frame buffer */
     94 	int	    dc_ht;		/* height of frame buffer */
     95 	int	    dc_rowbytes;	/* bytes in a FB scan line */
     96 
     97 	vaddr_t dc_videobase;	/* base of flat frame buffer */
     98 
     99 	struct raster	dc_raster;	/* raster description */
    100 	struct rcons	dc_rcons;	/* raster blitter control info */
    101 
    102 	int	    dc_blanked;		/* currently had video disabled */
    103 	void	    *dc_ramdac_private; /* RAMDAC private storage */
    104 };
    105 
    106 struct tga_softc {
    107 	struct	device sc_dev;
    108 
    109 	struct	tga_devconfig *sc_dc;	/* device configuration */
    110 	void	*sc_intr;		/* interrupt handler info */
    111 	/* XXX should record intr fns/arg */
    112 
    113 	int nscreens;
    114 };
    115 
    116 #define	TGA_TYPE_T8_01		0	/* 8bpp, 1MB */
    117 #define	TGA_TYPE_T8_02		1	/* 8bpp, 2MB */
    118 #define	TGA_TYPE_T8_22		2	/* 8bpp, 4MB */
    119 #define	TGA_TYPE_T8_44		3	/* 8bpp, 8MB */
    120 #define	TGA_TYPE_T32_04		4	/* 32bpp, 4MB */
    121 #define	TGA_TYPE_T32_08		5	/* 32bpp, 8MB */
    122 #define	TGA_TYPE_T32_88		6	/* 32bpp, 16MB */
    123 #define	TGA_TYPE_UNKNOWN	7	/* unknown */
    124 
    125 #define	DEVICE_IS_TGA(class, id)					\
    126 	    ((PCI_VENDOR(id) == PCI_VENDOR_DEC &&			\
    127 	     PCI_PRODUCT(id) == PCI_PRODUCT_DEC_21030) ? 10 : 0)
    128 
    129 int tga_cnattach __P((bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t,
    130 		      int, int, int));
    131 
    132 int	tga_identify __P((tga_reg_t *));
    133 const struct tga_conf *tga_getconf __P((int));
    134 
    135 extern const struct tga_ramdac_conf tga_ramdac_bt463;
    136 extern const struct tga_ramdac_conf tga_ramdac_bt485;
    137 
    138 int     tga_builtin_set_cursor __P((struct tga_devconfig *,
    139 	    struct wsdisplay_cursor *));
    140 int     tga_builtin_get_cursor __P((struct tga_devconfig *,
    141 	    struct wsdisplay_cursor *));
    142 int     tga_builtin_set_curpos __P((struct tga_devconfig *,
    143 	    struct wsdisplay_curpos *));
    144 int     tga_builtin_get_curpos __P((struct tga_devconfig *,
    145 	    struct wsdisplay_curpos *));
    146 int     tga_builtin_get_curmax __P((struct tga_devconfig *,
    147 	    struct wsdisplay_curpos *));
    148