1/* $NetBSD: cg14_cursor.c,v 1.3 2016/09/16 21:16:37 macallan Exp $ */
2/*
3 * Copyright (c) 2005 Michael Lorenz
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 *    - Redistributions of source code must retain the above copyright
11 *      notice, this list of conditions and the following disclaimer.
12 *    - Redistributions in binary form must reproduce the above
13 *      copyright notice, this list of conditions and the following
14 *      disclaimer in the documentation and/or other materials provided
15 *      with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32#ifdef HAVE_CONFIG_H
33#include "config.h"
34#endif
35
36#include <sys/types.h>
37
38/* all driver need this */
39#include "xf86.h"
40#include "xf86_OSproc.h"
41
42#include "cg14.h"
43
44static void CG14LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
45static void CG14SetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
46static void CG14SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
47
48static void
49CG14LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
50{
51	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
52	uint32_t buf[64];
53	uint32_t *img = buf;
54	int i;
55
56	memcpy(buf, src, 256); /* to make sure it's aligned */
57	for (i = 0; i < 32; i++) {
58		pCG14->curs->curs_plane0[i] = *img;
59		img++;
60	}
61	for (i = 0; i < 32; i++) {
62		pCG14->curs->curs_plane1[i] = *img;
63		img++;
64	}
65}
66
67void
68CG14ShowCursor(ScrnInfoPtr pScrn)
69{
70	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
71
72	pCG14->curs->curs_ctl = CG14_CURS_ENABLE;
73}
74
75void
76CG14HideCursor(ScrnInfoPtr pScrn)
77{
78	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
79
80	pCG14->curs->curs_ctl = 0;
81}
82
83static void
84CG14SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
85{
86	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
87
88	pCG14->curs->curs_x = x;
89	pCG14->curs->curs_y = y;
90}
91
92static void
93CG14SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
94{
95	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
96#define RGB2BGR(x) (((x & 0xff0000) >> 16) | (x & 0xff00) | ((x & 0xff) << 16))
97	pCG14->curs->curs_color1 = RGB2BGR(bg);
98	pCG14->curs->curs_color2 = RGB2BGR(fg);
99}
100
101Bool
102CG14SetupCursor(ScreenPtr pScreen)
103{
104	ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
105	Cg14Ptr pCG14 = GET_CG14_FROM_SCRN(pScrn);
106	xf86CursorInfoPtr infoPtr;
107
108	pCG14->curs->curs_ctl = 0;
109
110	infoPtr = xf86CreateCursorInfoRec();
111	if(!infoPtr) return FALSE;
112
113	pCG14->CursorInfoRec = infoPtr;
114
115	xf86Msg(X_INFO, "HW cursor enabled\n");
116
117	infoPtr->MaxWidth = 32;
118	infoPtr->MaxHeight = 32;
119
120	infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
121	    HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
122	    HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK;
123	infoPtr->SetCursorColors = CG14SetCursorColors;
124	infoPtr->SetCursorPosition = CG14SetCursorPosition;
125	infoPtr->LoadCursorImage = CG14LoadCursorImage;
126	infoPtr->HideCursor = CG14HideCursor;
127	infoPtr->ShowCursor = CG14ShowCursor;
128	infoPtr->UseHWCursor = NULL;
129
130	return xf86InitCursor(pScreen, infoPtr);
131}
132