cgfourteenreg.h revision 1.7 1 /* $NetBSD: cgfourteenreg.h,v 1.7 2010/06/12 21:25:56 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 /*
37 * Register/dac/clut/cursor definitions for cgfourteen frame buffer
38 */
39
40 /* Locations of control registers in cg14 register set */
41 #define CG14_OFFSET_CURS 0x1000
42 #define CG14_OFFSET_DAC 0x2000
43 #define CG14_OFFSET_XLUT 0x3000
44 #define CG14_OFFSET_CLUT1 0x4000
45 #define CG14_OFFSET_CLUT2 0x5000
46 #define CG14_OFFSET_CLUT3 0x6000
47 #define CG14_OFFSET_CLUTINCR 0xf000
48
49 /* cursor registers */
50 #define CG14_CURSOR_PLANE0 0x1000
51 #define CG14_CURSOR_PLANE1 0x1080
52 #define CG14_CURSOR_CONTROL 0x1100
53 #define CG14_CRSR_ENABLE 0x04
54 #define CG14_CRSR_DBLBUFFER 0x02
55 #define CG14_CURSOR_X 0x1104
56 #define CG14_CURSOR_Y 0x1106
57 #define CG14_CURSOR_COLOR1 0x1108
58 #define CG14_CURSOR_COLOR2 0x110c
59 #define CG14_CURSOR_COLOR3 0x1110
60
61 /* ranges in framebuffer space */
62 #define CG14_FB_VRAM 0x00000000
63 #define CG14_FB_CBGR 0x01000000
64 #define CG14_FB_PX32 0x03000000
65 #define CG14_FB_PB32 0x03400000
66 #define CG14_FB_PG32 0x03800000
67 #define CG14_FB_PR32 0x03c00000
68
69 /* Main control register set */
70 struct cg14ctl {
71 volatile uint8_t ctl_mctl; /* main control register */
72 #define CG14_MCTL 0x00000000
73 #define CG14_MCTL_ENABLEINTR 0x80 /* interrupts */
74 #define CG14_MCTL_ENABLEVID 0x40 /* enable video */
75 #define CG14_MCTL_PIXMODE_MASK 0x30
76 #define CG14_MCTL_PIXMODE_8 0x00 /* data is 16 8-bit pixels */
77 #define CG14_MCTL_PIXMODE_16 0x20 /* data is 8 16-bit pixels */
78 #define CG14_MCTL_PIXMODE_32 0x30 /* data is 4 32-bit pixels */
79 #define CG14_MCTL_PIXMODE_SHIFT 4
80 #define CG14_MCTL_TMR 0x0c
81 #define CG14_MCTL_ENABLETMR 0x02
82 #define CG14_MCTL_rev0RESET 0x01
83 #define CG14_MCTL_POWERCTL 0x01
84
85 volatile uint8_t ctl_ppr; /* packed pixel register */
86 volatile uint8_t ctl_tmsr0; /* test status reg. 0 */
87 volatile uint8_t ctl_tmsr1; /* test status reg. 1 */
88 volatile uint8_t ctl_msr; /* master status register */
89 volatile uint8_t ctl_fsr; /* fault status register */
90 volatile uint8_t ctl_rsr; /* revision status register */
91 #define CG14_RSR_REVMASK 0xf0 /* mask to get revision */
92 #define CG14_RSR_IMPLMASK 0x0f /* mask to get impl. code */
93 volatile uint8_t ctl_ccr; /* clock control register */
94 /* XXX etc. */
95 };
96
97 /* Hardware cursor map */
98 #define CG14_CURS_SIZE 32
99 struct cg14curs {
100 volatile uint32_t curs_plane0[CG14_CURS_SIZE]; /* plane 0 */
101 volatile uint32_t curs_plane1[CG14_CURS_SIZE];
102 volatile uint8_t curs_ctl; /* control register */
103 #define CG14_CURS_ENABLE 0x4
104 #define CG14_CURS_DOUBLEBUFFER 0x2 /* use X-channel for curs */
105 volatile uint8_t pad0[3];
106 volatile uint16_t curs_x; /* x position */
107 volatile uint16_t curs_y; /* y position */
108 volatile uint32_t curs_color1; /* color register 1 */
109 volatile uint32_t curs_color2; /* color register 2 */
110 volatile uint32_t pad[444]; /* pad to 2KB boundary */
111 volatile uint32_t curs_plane0incr[CG14_CURS_SIZE]; /* autoincr */
112 volatile uint32_t curs_plane1incr[CG14_CURS_SIZE]; /* autoincr */
113 };
114
115 /* DAC */
116 struct cg14dac {
117 volatile uint8_t dac_addr; /* address register */
118 volatile uint8_t pad0[255];
119 volatile uint8_t dac_gammalut; /* gamma LUT */
120 volatile uint8_t pad1[255];
121 volatile uint8_t dac_regsel; /* register select */
122 volatile uint8_t pad2[255];
123 volatile uint8_t dac_mode; /* mode register */
124 };
125
126 #define CG14_CLUT_SIZE 256
127
128 /* XLUT registers */
129 struct cg14xlut {
130 volatile uint8_t xlut_lut[CG14_CLUT_SIZE]; /* the LUT */
131 volatile uint8_t xlut_lutd[CG14_CLUT_SIZE]; /* ??? */
132 volatile uint8_t pad0[0x600];
133 volatile uint8_t xlut_lutinc[CG14_CLUT_SIZE]; /* autoincrLUT*/
134 volatile uint8_t xlut_lutincd[CG14_CLUT_SIZE];
135 };
136
137 /* Color Look-Up Table (CLUT) */
138 struct cg14clut {
139 volatile uint32_t clut_lut[CG14_CLUT_SIZE]; /* the LUT */
140 volatile uint32_t clut_lutd[CG14_CLUT_SIZE]; /* ??? */
141 volatile uint32_t clut_lutinc[CG14_CLUT_SIZE]; /* autoincr */
142 volatile uint32_t clut_lutincd[CG14_CLUT_SIZE];
143 };
144