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 1.3 2021/05/27 04:48:10 jdc Exp $ */
24
25#ifdef HAVE_CONFIG_H
26#include "config.h"
27#endif
28
29#include <fcntl.h>
30#include <sys/time.h>
31#include <sys/types.h>
32#include <sys/ioctl.h>
33#include <dev/wscons/wsconsio.h>
34
35#include "pnozz.h"
36
37static void PnozzLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
38static void PnozzSetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
39static void PnozzSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
40
41static void
42PnozzLoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src)
43{
44    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
45
46    pPnozz->Cursor.set = FB_CUR_SETSHAPE;
47    pPnozz->Cursor.image = src;
48    pPnozz->Cursor.mask = src + 0x200;
49
50    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
51	xf86Msg(X_ERROR, "FB_CUR_SETSHAPE failed\n");
52}
53
54void
55PnozzShowCursor(ScrnInfoPtr pScrn)
56{
57    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
58
59    if (pPnozz->Cursor.enable == 0) {
60    	pPnozz->Cursor.enable = 1;
61	pPnozz->Cursor.set = FB_CUR_SETCUR;
62	if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
63	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
64    }
65}
66
67void
68PnozzHideCursor(ScrnInfoPtr pScrn)
69{
70    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
71
72    if (pPnozz->Cursor.enable == 1) {
73    	pPnozz->Cursor.enable = 0;
74	pPnozz->Cursor.set = FB_CUR_SETCUR;
75	if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
76	    xf86Msg(X_ERROR, "FB_CUR_SETCUR failed\n");
77    }
78}
79
80static void
81PnozzSetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
82{
83    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
84
85    pPnozz->Cursor.pos.x = x + 63;
86    pPnozz->Cursor.pos.y = y + 63;
87    pPnozz->Cursor.set = FB_CUR_SETPOS;
88    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
89	xf86Msg(X_ERROR, "FB_CUR_SETPOS failed\n");
90}
91
92static void
93PnozzSetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
94{
95    PnozzPtr pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
96
97    pPnozz->Cursor.set = FB_CUR_SETCMAP;
98    pPnozz->Cursor.cmap.red[0] = (bg & 0xff0000) >> 16;
99    pPnozz->Cursor.cmap.green[0] = (bg & 0xff00) >> 8;
100    pPnozz->Cursor.cmap.blue[0] = bg & 0xff;
101    pPnozz->Cursor.cmap.red[1] = (fg & 0xff0000) >> 16;
102    pPnozz->Cursor.cmap.green[1] = (fg & 0xff00) >> 8;
103    pPnozz->Cursor.cmap.blue[1] = fg & 0xff;
104    if (ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor) == -1)
105	xf86Msg(X_ERROR, "FB_CUR_SETCMAP failed\n");
106}
107
108Bool
109PnozzHWCursorInit(ScreenPtr pScreen)
110{
111    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
112    PnozzPtr pPnozz;
113    xf86CursorInfoPtr infoPtr;
114
115    pPnozz = GET_PNOZZ_FROM_SCRN(pScrn);
116
117    pPnozz->Cursor.mask = NULL;
118    pPnozz->Cursor.image = NULL;
119    if (ioctl(pPnozz->psdp->fd, FBIOGCURSOR, &pPnozz->Cursor) == -1) {
120    	xf86Msg(X_ERROR, "Hardware cursor isn't available\n");
121	return FALSE;
122    }
123
124    infoPtr = xf86CreateCursorInfoRec();
125    if(!infoPtr) return FALSE;
126
127    pPnozz->CursorInfoRec = infoPtr;
128
129    infoPtr->MaxWidth = 64;
130    infoPtr->MaxHeight = 64;
131
132    pPnozz->Cursor.hot.x = 63;
133    pPnozz->Cursor.hot.y = 63;
134    pPnozz->Cursor.set = FB_CUR_SETHOT;
135    ioctl(pPnozz->psdp->fd, FBIOSCURSOR, &pPnozz->Cursor);
136
137    pPnozz->Cursor.cmap.red = pPnozz->pal;
138    pPnozz->Cursor.cmap.green = pPnozz->pal + 3;
139    pPnozz->Cursor.cmap.blue = pPnozz->pal + 6;
140
141    infoPtr->Flags = HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
142	HARDWARE_CURSOR_TRUECOLOR_AT_8BPP /*|
143	HARDWARE_CURSOR_BIT_ORDER_MSBFIRST | HARDWARE_CURSOR_NIBBLE_SWAPPED*/;
144
145    infoPtr->SetCursorColors = PnozzSetCursorColors;
146    infoPtr->SetCursorPosition = PnozzSetCursorPosition;
147    infoPtr->LoadCursorImage = PnozzLoadCursorImage;
148    infoPtr->HideCursor = PnozzHideCursor;
149    infoPtr->ShowCursor = PnozzShowCursor;
150    infoPtr->UseHWCursor = NULL;
151
152    return xf86InitCursor(pScreen, infoPtr);
153}
154