hwcursor.c revision 880c7e28 
1/*
2 * includes
3 */
4
5#ifdef HAVE_CONFIG_H
6#include "config.h"
7#endif
8
9#include "rendition.h"
10#include "vtypes.h"
11#include "vramdac.h"
12
13#include "hwcursor.h"
14
15/*
16 * defines
17 */
18
19#undef DEBUG
20
21/* use a 64x64 cursor, 32x32 otherwise    */
22/* note that V2K supports only 64x64 size */
23#define BIGCURSOR 1
24
25/*
26 * local function prototypes
27 */
28
29static Bool RENDITIONUseHWCursor(ScreenPtr pScreen, CursorPtr pCurs);
30static void RENDITIONSetCursorColors(ScrnInfoPtr pScreenInfo, int bg, int fg);
31static void RENDITIONSetCursorPosition(ScrnInfoPtr pScreenInfo, int x, int y);
32static void RENDITIONHideCursor(ScrnInfoPtr pScreenInfo);
33static void RENDITIONShowCursor(ScrnInfoPtr pScreenInfo);
34static void RENDITIONLoadCursorImage(ScrnInfoPtr pScreenInfo, unsigned char* src);
35
36
37/*
38 * This is top-level initialization funtion
39 */
40void
41RenditionHWCursorPreInit (ScrnInfoPtr pScreenInfo)
42{
43    renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
44
45#ifdef DEBUG
46    ErrorF ("Rendition: Debug RenditionHWCursorPreInit called\n");
47#endif
48
49    pRendition->board.hwcursor_used = TRUE;
50    if (pRendition->board.chip==V1000_DEVICE){
51      /* V1K uses special space on BT-485 RAMDAC */
52      pRendition->board.hwcursor_vmemsize = 0;
53      pRendition->board.hwcursor_membase = 0 ; /* Not used on V1K */
54    }
55    else{
56      pRendition->board.hwcursor_vmemsize = 64*64*2/8 /* 1024 bytes used */;
57      pRendition->board.hwcursor_membase = (pRendition->board.fbOffset >> 10);
58      /* Last but not least, update offset-adress */
59      pRendition->board.fbOffset += pRendition->board.hwcursor_vmemsize;
60    }
61}
62
63void
64RenditionHWCursorRelease (ScrnInfoPtr pScreenInfo)
65{
66    renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
67
68#ifdef DEBUG
69    ErrorF ("Rendition: Debug RenditionHWCursorRelease called\n");
70#endif
71
72    xf86DestroyCursorInfoRec(pRendition->CursorInfoRec);
73    pRendition->CursorInfoRec=NULL;
74}
75
76
77Bool
78RenditionHWCursorInit(ScreenPtr pScreen)
79{
80    ScrnInfoPtr  pScreenInfo = xf86ScreenToScrn(pScreen);
81    renditionPtr pRendition = RENDITIONPTR(pScreenInfo);
82    xf86CursorInfoPtr infoPtr;
83
84#ifdef DEBUG
85    ErrorF ("Rendition: Debug RenditionHWCursorInit called\n");
86#endif
87
88    infoPtr = xf86CreateCursorInfoRec();
89    if(!infoPtr) return FALSE;
90
91    pRendition->CursorInfoRec = infoPtr;
92
93#ifdef BIGCURSOR
94    infoPtr->MaxWidth=64;
95    infoPtr->MaxHeight=64;
96#else
97    infoPtr->MaxWidth=32;
98    infoPtr->MaxHeight=32;
99#endif
100
101    infoPtr->Flags = HARDWARE_CURSOR_BIT_ORDER_MSBFIRST  |
102	HARDWARE_CURSOR_TRUECOLOR_AT_8BPP   |
103	HARDWARE_CURSOR_AND_SOURCE_WITH_MASK|
104	HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8;
105
106
107    infoPtr->SetCursorColors      = RENDITIONSetCursorColors;
108    infoPtr->SetCursorPosition    = RENDITIONSetCursorPosition;
109    infoPtr->LoadCursorImage      = RENDITIONLoadCursorImage;
110    infoPtr->HideCursor           = RENDITIONHideCursor;
111    infoPtr->ShowCursor           = RENDITIONShowCursor;
112    infoPtr->UseHWCursor          = RENDITIONUseHWCursor;
113
114    return xf86InitCursor(pScreen, infoPtr);
115}
116
117
118/*
119 * local functions
120 */
121
122static Bool
123RENDITIONUseHWCursor(ScreenPtr pScreen, CursorPtr pCurs)
124{
125#ifdef DEBUG
126    ErrorF ("Rendition: Debug RENDITIONUseHWCursor called\n");
127#endif
128
129  /* have this return false for DoubleScan and Interlaced ? */
130    return TRUE;
131}
132
133
134static void
135RENDITIONShowCursor(ScrnInfoPtr pScreenInfo)
136{
137  /* renditionPtr pRendition = RENDITIONPTR(pScreenInfo); */
138
139#ifdef DEBUG
140    ErrorF( "RENDITION: ShowCursor called\n");
141#endif
142
143    /* enable cursor - X11 mode */
144    verite_enablecursor(pScreenInfo, VERITE_3COLORS,
145#ifdef BIGCURSOR
146        VERITE_CURSOR64
147#else
148        VERITE_CURSOR32
149#endif
150        );
151}
152
153
154
155static void
156RENDITIONHideCursor(ScrnInfoPtr pScreenInfo)
157{
158#ifdef DEBUG
159    ErrorF( "RENDITION: HideCursor called\n");
160#endif
161
162    /* Disable cursor */
163    verite_enablecursor(pScreenInfo, VERITE_NOCURSOR, 0);
164}
165
166
167
168static void
169RENDITIONSetCursorPosition(ScrnInfoPtr pScreenInfo, int x, int y)
170{
171#ifdef DEBUG
172    ErrorF( "RENDITION: SetCursorPosition(%d, %d) called\n", x, y);
173#endif
174
175    verite_movecursor(pScreenInfo, x, y, 1 /* xorigin */, 1 /* yorigin */);
176}
177
178
179
180static void
181RENDITIONSetCursorColors(ScrnInfoPtr pScreenInfo, int bg, int fg)
182{
183#ifdef DEBUG
184    ErrorF( "RENDITION: SetCursorColors(%x, %x) called\n", fg, bg);
185#endif
186
187    verite_setcursorcolor(pScreenInfo, bg, fg);
188}
189
190
191
192static void
193RENDITIONLoadCursorImage(ScrnInfoPtr pScreenInfo, unsigned char* src)
194{
195#ifdef DEBUG
196    ErrorF( "RENDITION: loadcursor called\n");
197#endif
198    verite_loadcursor(pScreenInfo,
199#ifdef BIGCURSOR
200        VERITE_CURSOR64,
201#else
202        VERITE_CURSOR32,
203#endif
204        (vu8 *)src);
205}
206
207
208/*
209 * end of file hwcursor.c
210 */
211