pnozz_cursor.c revision d046d9f8 
1/*
2 * SBus Weitek P9100 hardware cursor support
3 *
4 * Copyright (C) 2005 Michael Lorenz
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * MICHAEL LORENZ BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23/* $NetBSD: pnozz_cursor.c,v 1.2 2011/05/25 23:36:39 macallan Exp $ */
24
25#include <fcntl.h>
26#include <sys/time.h>
27#include <sys/types.h>
28#include <sys/ioctl.h>
29#include <dev/sun/fbio.h>
30#include <dev/wscons/wsconsio.h>
31
32#include "pnozz.h"
33
34static void PnozzLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
35static void PnozzSetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
36static void PnozzSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
37
38static void
39PnozzLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
40{
41    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
42
43    pPnozz->Cursor.set = FB_CUR_SETSHAPE;
44    pPnozz->Cursor.image = src;
45    pPnozz->Cursor.mask = src + 0x200;
46
47    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
48	xf86Msg(X_ERROR, "FB_CUR_SETSHAPE failed\n");
49}
50
51void
52PnozzShowCursor(ScrnInfoPtr pScrn)
53{
54    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
55
56    if (pPnozz->Cursor.enable == 0) {
57    	pPnozz->Cursor.enable = 1;
58	pPnozz->Cursor.set = FB_CUR_SETCUR;
59	if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
60	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
61    }
62}
63
64void
65PnozzHideCursor(ScrnInfoPtr pScrn)
66{
67    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
68
69    if (pPnozz->Cursor.enable == 1) {
70    	pPnozz->Cursor.enable = 0;
71	pPnozz->Cursor.set = FB_CUR_SETCUR;
72	if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
73	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
74    }
75}
76
77static void
78PnozzSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
79{
80    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
81
82    pPnozz->Cursor.pos.x = x + 63;
83    pPnozz->Cursor.pos.y = y + 63;
84    pPnozz->Cursor.set = FB_CUR_SETPOS;
85    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
86	xf86Msg(X_ERROR, "FB_CUR_SETPOS failed\n");
87}
88
89static void
90PnozzSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
91{
92    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
93
94    pPnozz->Cursor.set = FB_CUR_SETCMAP;
95    pPnozz->Cursor.cmap.red[0] = (bg & 0xff0000) >> 16;
96    pPnozz->Cursor.cmap.green[0] = (bg & 0xff00) >> 8;
97    pPnozz->Cursor.cmap.blue[0] = bg & 0xff;
98    pPnozz->Cursor.cmap.red[1] = (fg & 0xff0000) >> 16;
99    pPnozz->Cursor.cmap.green[1] = (fg & 0xff00) >> 8;
100    pPnozz->Cursor.cmap.blue[1] = fg & 0xff;
101    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
102	xf86Msg(X_ERROR, "FB_CUR_SETCMAP failed\n");
103}
104
105Bool
106PnozzHWCursorInit(ScreenPtr pScreen)
107{
108    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
109    PnozzPtr pPnozz;
110    xf86CursorInfoPtr infoPtr;
111
112    pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
113
114    pPnozz->Cursor.mask = NULL;
115    pPnozz->Cursor.image = NULL;
116    if (ioctl(pPnozz->psdp->fd, FBIOGCURSOR, &pPnozz->Cursor) == -1) {
117    	xf86Msg(X_ERROR, "Hardware cursor isn't available\n");
118	return FALSE;
119    }
120
121    infoPtr = xf86CreateCursorInfoRec();
122    if(!infoPtr) return FALSE;
123
124    pPnozz->CursorInfoRec = infoPtr;
125
126    infoPtr->MaxWidth = 64;
127    infoPtr->MaxHeight = 64;
128
129    pPnozz->Cursor.hot.x = 63;
130    pPnozz->Cursor.hot.y = 63;
131    pPnozz->Cursor.set = FB_CUR_SETHOT;
132    ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor);
133
134    pPnozz->Cursor.cmap.red = pPnozz->pal;
135    pPnozz->Cursor.cmap.green = pPnozz->pal + 3;
136    pPnozz->Cursor.cmap.blue = pPnozz->pal + 6;
137
138    infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
139	HARDWARE_CURSOR_TRUECOLOR_AT_8BPP /*|
140	HARDWARE_CURSOR_BIT_ORDER_MSBFIRST | HARDWARE_CURSOR_NIBBLE_SWAPPED*/;
141
142    infoPtr->SetCursorColors = PnozzSetCursorColors;
143    infoPtr->SetCursorPosition = PnozzSetCursorPosition;
144    infoPtr->LoadCursorImage = PnozzLoadCursorImage;
145    infoPtr->HideCursor = PnozzHideCursor;
146    infoPtr->ShowCursor = PnozzShowCursor;
147    infoPtr->UseHWCursor = NULL;
148
149    return xf86InitCursor(pScreen, infoPtr);
150}
151