ag10e_cursor.c revision 898e129c 
1/*
2 * Hardware cursor support for Fujitsu AG-10e
3 *
4 * Copyright 2007 by Michael Lorenz
5 *
6 * Permission to use, copy, modify, distribute, and sell this software
7 * and its documentation for any purpose is hereby granted without
8 * fee, provided that the above copyright notice appear in all copies
9 * and that both that copyright notice and this permission notice
10 * appear in supporting documentation, and that the name of Jakub
11 * Jelinek not be used in advertising or publicity pertaining to
12 * distribution of the software without specific, written prior
13 * permission.  Jakub Jelinek makes no representations about the
14 * suitability of this software for any purpose.  It is provided "as
15 * is" without express or implied warranty.
16 *
17 * JAKUB JELINEK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
18 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
19 * FITNESS, IN NO EVENT SHALL JAKUB JELINEK BE LIABLE FOR ANY
20 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
21 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
22 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
23 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
24 * SOFTWARE.
25 */
26/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/suncg6/cg6_cursor.c,v 1.1 2000/06/30 19:30:46 dawes Exp $ */
27
28#include <fcntl.h>
29#include <sys/time.h>
30#include <sys/types.h>
31#include <sys/ioctl.h>
32#include <dev/sun/fbio.h>
33#include <dev/wscons/wsconsio.h>
34
35#include "ag10e.h"
36
37static void AG10ELoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
38static void AG10EShowCursor(ScrnInfoPtr pScrn);
39static void AG10EHideCursor(ScrnInfoPtr pScrn);
40static void AG10ESetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
41static void AG10ESetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
42
43static void
44AG10ELoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
45{
46    AG10EPtr pAG10E = GET_AG10E_FROM_SCRN(pScrn);
47
48    pAG10E->Cursor.set = FB_CUR_SETSHAPE;
49    pAG10E->Cursor.image = src;
50    pAG10E->Cursor.mask = src + 0x200;
51
52    if (ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor) == -1)
53	xf86Msg(X_ERROR, "FB_CUR_SETSHAPE failed\n");
54}
55
56void
57AG10EShowCursor(ScrnInfoPtr pScrn)
58{
59    AG10EPtr pAG10E = GET_AG10E_FROM_SCRN(pScrn);
60
61    if (pAG10E->Cursor.enable == 0) {
62    	pAG10E->Cursor.enable = 1;
63	pAG10E->Cursor.set = FB_CUR_SETCUR;
64	if (ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor) == -1)
65	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
66    }
67}
68
69void
70AG10EHideCursor(ScrnInfoPtr pScrn)
71{
72    AG10EPtr pAG10E = GET_AG10E_FROM_SCRN(pScrn);
73
74    if (pAG10E->Cursor.enable == 1) {
75    	pAG10E->Cursor.enable = 0;
76	pAG10E->Cursor.set = FB_CUR_SETCUR;
77	if (ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor) == -1)
78	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
79    }
80}
81
82static void
83AG10ESetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
84{
85    AG10EPtr pAG10E = GET_AG10E_FROM_SCRN(pScrn);
86
87    pAG10E->Cursor.pos.x = x;
88    pAG10E->Cursor.pos.y = y;
89    pAG10E->Cursor.set = FB_CUR_SETPOS;
90    if (ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor) == -1)
91	xf86Msg(X_ERROR, "FB_CUR_SETPOS failed\n");
92}
93
94static void
95AG10ESetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
96{
97    AG10EPtr pAG10E = GET_AG10E_FROM_SCRN(pScrn);
98
99    pAG10E->Cursor.set = FB_CUR_SETCMAP;
100    pAG10E->Cursor.cmap.index = 0;
101    pAG10E->Cursor.cmap.count = 2;
102    pAG10E->Cursor.cmap.red[0] = (bg & 0xff0000) >> 16;
103    pAG10E->Cursor.cmap.green[0] = (bg & 0xff00) >> 8;
104    pAG10E->Cursor.cmap.blue[0] = bg & 0xff;
105    pAG10E->Cursor.cmap.red[1] = (fg & 0xff0000) >> 16;
106    pAG10E->Cursor.cmap.green[1] = (fg & 0xff00) >> 8;
107    pAG10E->Cursor.cmap.blue[1] = fg & 0xff;
108    if (ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor) == -1)
109	xf86Msg(X_ERROR, "FB_CUR_SETCMAP failed\n");
110}
111
112Bool
113AG10EHWCursorInit(ScreenPtr pScreen)
114{
115    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
116    AG10EPtr pAG10E;
117    xf86CursorInfoPtr infoPtr;
118
119    pAG10E = GET_AG10E_FROM_SCRN(pScrn);
120
121    pAG10E->Cursor.mask = NULL;
122    pAG10E->Cursor.image = NULL;
123    if (ioctl(pAG10E->psdp->fd, FBIOGCURSOR, &pAG10E->Cursor) == -1) {
124    	xf86Msg(X_ERROR, "Hardware cursor isn't available\n");
125	return FALSE;
126    }
127
128    infoPtr = xf86CreateCursorInfoRec();
129    if(!infoPtr) return FALSE;
130
131    pAG10E->CursorInfoRec = infoPtr;
132
133    infoPtr->MaxWidth = 64;
134    infoPtr->MaxHeight = 64;
135
136    pAG10E->Cursor.hot.x = 0;
137    pAG10E->Cursor.hot.y = 0;
138    pAG10E->Cursor.set = FB_CUR_SETHOT;
139    ioctl(pAG10E->psdp->fd, FBIOSCURSOR, &pAG10E->Cursor);
140
141    pAG10E->Cursor.cmap.red = pAG10E->pal;
142    pAG10E->Cursor.cmap.green = pAG10E->pal + 3;
143    pAG10E->Cursor.cmap.blue = pAG10E->pal + 6;
144
145    infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
146	HARDWARE_CURSOR_TRUECOLOR_AT_8BPP;
147
148    infoPtr->SetCursorColors = AG10ESetCursorColors;
149    infoPtr->SetCursorPosition = AG10ESetCursorPosition;
150    infoPtr->LoadCursorImage = AG10ELoadCursorImage;
151    infoPtr->HideCursor = AG10EHideCursor;
152    infoPtr->ShowCursor = AG10EShowCursor;
153    infoPtr->UseHWCursor = NULL;
154
155    return xf86InitCursor(pScreen, infoPtr);
156}
157