xref: /netbsd/sys/arch/sparc/dev/cgfourteenvar.h (revision f5d74733)
1 /*	$NetBSD: cgfourteenvar.h,v 1.19 2021/12/17 19:27:57 macallan Exp $ */
2 
3 /*
4  * Copyright (c) 1996
5  *	The President and Fellows of Harvard College. 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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Harvard University and
18  *	its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/ioccom.h>
37 
38 struct sbus_reg {
39 	uint32_t	sbr_slot;
40 	uint32_t	sbr_offset;
41 	uint32_t	sbr_size;
42 };
43 /*
44  * Layout of cg14 hardware colormap
45  */
46 union cg14cmap {
47 	u_char  	cm_map[256][4];	/* 256 R/G/B/A entries (B is high)*/
48 	uint32_t   	cm_chip[256];	/* the way the chip gets loaded */
49 };
50 
51 /*
52  * cg14 hardware cursor colormap
53  */
54 union cg14cursor_cmap {		/* colormap, like bt_cmap, but tiny */
55 	u_char		cm_map[2][4];	/* 2 R/G/B/A entries */
56 	uint32_t	cm_chip[2];	/* 2 chip equivalents */
57 };
58 
59 /*
60  * cg14 hardware cursor status
61  */
62 struct cg14_cursor {		/* cg14 hardware cursor status */
63 	int	cc_enable;		/* cursor is enabled */
64 	struct	fbcurpos cc_pos;	/* position */
65 	struct	fbcurpos cc_hot;	/* hot-spot */
66 	struct	fbcurpos cc_size;	/* size of mask & image fields */
67 	uint	cc_eplane[32];		/* enable plane */
68 	uint	cc_cplane[32];		/* color plane */
69 	union	cg14cursor_cmap cc_color; /* cursor colormap */
70 };
71 
72 #define CG14_SET_PIXELMODE	_IOW('M', 3, int)
73 
74 /*
75  * per-cg14 variables/state
76  */
77 struct cgfourteen_softc {
78 	device_t	sc_dev;		/* base device */
79 	struct fbdevice	sc_fb;		/* frame buffer device */
80 	bus_space_tag_t	sc_bustag;
81 	struct sbus_reg	sc_physadr[2];	/* phys addrs of h/w */
82 	bus_space_handle_t sc_regh;	/* register space */
83 #define CG14_CTL_IDX	0
84 #define CG14_PXL_IDX	1
85 
86 	union	cg14cmap sc_cmap;	/* current colormap */
87 	struct	cg14_cursor sc_cursor;	/* Hardware cursor state */
88 	union 	cg14cmap sc_saveclut; 	/* a place to stash PROM state */
89 	size_t	sc_vramsize;
90 	int 	sc_depth;	/* current colour depth */
91 #if NWSDISPLAY > 0
92 	struct  vcons_data sc_vd;
93 	struct 	vcons_screen sc_console_screen;
94 	struct 	wsscreen_descr sc_defaultscreen_descr;
95 	const struct wsscreen_descr *sc_screens[1];
96 	struct 	wsscreen_list sc_screenlist;
97 	int 	sc_mode;	/* wsdisplay mode - EMUL, DUMB etc. */
98 #if NSX > 0
99 	struct sx_softc *sc_sx;
100 	uint32_t sc_fb_paddr;
101 	uint32_t sc_mask;
102 	glyphcache sc_gc;
103 #endif /* NSX > 0 */
104 #endif
105 
106 	uint8_t	sc_savexlut[256];
107 	uint8_t	sc_savectl;
108 	uint8_t	sc_savehwc;
109 
110 	struct	cg14ctl  *sc_ctl; 	/* various registers */
111 	struct	cg14curs *sc_hwc;
112 	struct 	cg14dac	 *sc_dac;
113 	struct	cg14xlut *sc_xlut;
114 	struct 	cg14clut *sc_clut1;
115 	struct	cg14clut *sc_clut2;
116 	struct	cg14clut *sc_clut3;
117 	uint	*sc_clutincr;
118 	int	sc_opens;
119 	off_t	sc_regaddr, sc_fbaddr;
120 };
121 
122 /* Various offsets in virtual (ie. mmap()) spaces Linux and Solaris support. */
123 #define CG14_REGS_VOFF		0x00000000	/* registers */
124 #define CG14_XLUT_VOFF		0x00003000	/* X Look Up Table */
125 #define CG14_CLUT1_VOFF		0x00004000	/* Color Look Up Table */
126 #define CG14_CLUT2_VOFF		0x00005000	/* Color Look Up Table */
127 #define CG14_CLUT3_VOFF		0x00006000	/* Color Look Up Table */
128 #define CG14_SXREG_VOFF		0x00010000	/* SX userspace registers */
129 #define CG14_DIRECT_VOFF	0x10000000
130 #define CG14_CTLREG_VOFF	0x20000000
131 #define CG14_CURSOR_VOFF	0x30000000
132 #define CG14_SHDW_VRT_VOFF	0x40000000
133 #define CG14_XBGR_VOFF		0x50000000
134 #define CG14_BGR_VOFF		0x60000000
135 #define CG14_X16_VOFF		0x70000000
136 #define CG14_C16_VOFF		0x80000000
137 #define CG14_X32_VOFF		0x90000000
138 #define CG14_B32_VOFF		0xa0000000
139 #define CG14_G32_VOFF		0xb0000000
140 #define CG14_R32_VOFF		0xc0000000
141 #define CG14_SXIO_VOFF		0xd0000000
142