summaryrefslogtreecommitdiff
path: root/sys/dev/pci/tgavar.h
blob: 89b108f2c5f329a59c3060cda49c64c8f8187c59 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/* $NetBSD: tgavar.h,v 1.8 2000/04/02 19:01:11 nathanw Exp $ */

/*
 * Copyright (c) 1995, 1996 Carnegie-Mellon University.
 * All rights reserved.
 *
 * Author: Chris G. Demetriou
 * 
 * Permission to use, copy, modify and distribute this software and
 * its documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#include <dev/ic/ramdac.h>
#include <dev/pci/tgareg.h>
#include <dev/rcons/raster.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wscons_raster.h>

struct tga_devconfig;
struct fbcmap;
struct fbcursor;
struct fbcurpos;

struct tga_conf {
        char            *tgac_name;                /* name for this board type */

        struct ramdac_funcs *(*ramdac_funcs) __P((void));

        int            tgac_phys_depth;        /* physical frame buffer depth */
        vsize_t   tgac_cspace_size;        /* core space size */
        vsize_t   tgac_vvbr_units;        /* what '1' in the VVBR means */

        int            tgac_ndbuf;                /* number of display buffers */
        vaddr_t tgac_dbuf[2];        /* display buffer offsets/addresses */
        vsize_t   tgac_dbufsz[2];        /* display buffer sizes */

        int            tgac_nbbuf;                /* number of display buffers */
        vaddr_t tgac_bbuf[2];        /* back buffer offsets/addresses */
        vsize_t   tgac_bbufsz[2];        /* back buffer sizes */
};

struct tga_devconfig {
        bus_space_tag_t dc_memt;
	pci_chipset_tag_t dc_pc;
        pcitag_t            dc_pcitag;        /* PCI tag */
        bus_addr_t         dc_pcipaddr;        /* PCI phys addr. */

	tga_reg_t   *dc_regs;                /* registers; XXX: need aliases */
        int            dc_tga_type;        /* the device type; see below */
        int            dc_tga2;                /* True if it is a TGA2 */
        const struct tga_conf *dc_tgaconf; /* device buffer configuration */

        struct ramdac_funcs
                    *dc_ramdac_funcs;        /* The RAMDAC functions */
        struct ramdac_cookie
                    *dc_ramdac_cookie;        /* the RAMDAC type; see above */

        vaddr_t dc_vaddr;                /* memory space virtual base address */
        paddr_t dc_paddr;                /* memory space physical base address */

        int            dc_wid;                /* width of frame buffer */
        int            dc_ht;                /* height of frame buffer */
        int            dc_rowbytes;        /* bytes in a FB scan line */

        vaddr_t dc_videobase;        /* base of flat frame buffer */

        struct raster        dc_raster;        /* raster description */
        struct rcons        dc_rcons;        /* raster blitter control info */

        int            dc_blanked;                /* currently had video disabled */
        void            *dc_ramdac_private; /* RAMDAC private storage */

        void            (*dc_ramdac_intr) __P((void *));
        int                dc_intrenabled; /* can we depend on interrupts yet? */
};
        
struct tga_softc {
        struct        device sc_dev;

        struct        tga_devconfig *sc_dc;        /* device configuration */
        void        *sc_intr;                /* interrupt handler info */
        /* XXX should record intr fns/arg */

        int nscreens;
};

#define TGA_TYPE_T8_01                0        /* 8bpp, 1MB */
#define TGA_TYPE_T8_02                1        /* 8bpp, 2MB */
#define TGA_TYPE_T8_22                2        /* 8bpp, 4MB */
#define TGA_TYPE_T8_44                3        /* 8bpp, 8MB */
#define TGA_TYPE_T32_04                4        /* 32bpp, 4MB */
#define TGA_TYPE_T32_08                5        /* 32bpp, 8MB */
#define TGA_TYPE_T32_88                6        /* 32bpp, 16MB */
#define TGA_TYPE_UNKNOWN        7        /* unknown */

#define DEVICE_IS_TGA(class, id)                                        \
            (((PCI_VENDOR(id) == PCI_VENDOR_DEC &&                        \
               PCI_PRODUCT(id) == PCI_PRODUCT_DEC_21030) ||                \
               PCI_PRODUCT(id) == PCI_PRODUCT_DEC_PBXGB) ? 10 : 0)

int tga_cnattach __P((bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t,
                      int, int, int));

int     tga_identify __P((tga_reg_t *));
const struct tga_conf *tga_getconf __P((int));

int     tga_builtin_set_cursor __P((struct tga_devconfig *,
            struct wsdisplay_cursor *));
int     tga_builtin_get_cursor __P((struct tga_devconfig *,
            struct wsdisplay_cursor *));
int     tga_builtin_set_curpos __P((struct tga_devconfig *,
            struct wsdisplay_curpos *));
int     tga_builtin_get_curpos __P((struct tga_devconfig *,
            struct wsdisplay_curpos *));
int     tga_builtin_get_curmax __P((struct tga_devconfig *,
            struct wsdisplay_curpos *));