1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*************************************************************************
*
* File: via_cursor.c
* Content: Hardware cursor support for VIA/S3G UniChrome
*
************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "via_driver.h"
static void VIALoadCursorImage(ScrnInfoPtr pScrn, unsigned char *src);
static void VIASetCursorPosition(ScrnInfoPtr pScrn, int x, int y);
static void VIASetCursorColors(ScrnInfoPtr pScrn, int bg, int fg);
#define MAX_CURS 32
Bool
VIAHWCursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
VIAPtr pVia = VIAPTR(pScrn);
xf86CursorInfoPtr infoPtr;
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO, "VIAHWCursorInit\n"));
infoPtr = xf86CreateCursorInfoRec();
if (!infoPtr)
return FALSE;
pVia->CursorInfoRec = infoPtr;
infoPtr->MaxWidth = MAX_CURS;
infoPtr->MaxHeight = MAX_CURS;
infoPtr->Flags = HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
/*HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK |*/
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_INVERT_MASK |
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST|
0;
infoPtr->SetCursorColors = VIASetCursorColors;
infoPtr->SetCursorPosition = VIASetCursorPosition;
infoPtr->LoadCursorImage = VIALoadCursorImage;
infoPtr->HideCursor = VIAHideCursor;
infoPtr->ShowCursor = VIAShowCursor;
infoPtr->UseHWCursor = NULL;
if (!pVia->CursorStart) {
pVia->CursorStart = pVia->FBFreeEnd - VIA_CURSOR_SIZE;
pVia->FBFreeEnd -= VIA_CURSOR_SIZE;
}
/* Set cursor location in frame buffer. */
VIASETREG(VIA_REG_CURSOR_MODE, pVia->CursorStart);
return xf86InitCursor(pScreen, infoPtr);
}
void
VIAShowCursor(ScrnInfoPtr pScrn)
{
VIAPtr pVia = VIAPTR(pScrn);
CARD32 dwCursorMode;
dwCursorMode = VIAGETREG(VIA_REG_CURSOR_MODE);
/* Turn on Hardware Cursor */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode | 0x3);
}
void
VIAHideCursor(ScrnInfoPtr pScrn)
{
VIAPtr pVia = VIAPTR(pScrn);
CARD32 dwCursorMode;
dwCursorMode = VIAGETREG(VIA_REG_CURSOR_MODE);
/* Turn cursor off. */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode & 0xFFFFFFFE);
}
static void
VIALoadCursorImage(ScrnInfoPtr pScrn, unsigned char* src)
{
VIAPtr pVia = VIAPTR(pScrn);
CARD32 dwCursorMode;
VIAAccelSync(pScrn);
dwCursorMode = VIAGETREG(VIA_REG_CURSOR_MODE);
/* Turn cursor off. */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode & 0xFFFFFFFE);
/* Upload the cursor image to the frame buffer. */
memcpy(pVia->FBBase + pVia->CursorStart, src, MAX_CURS * MAX_CURS / 8 * 2);
/* Restore cursor status */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode);
}
static void
VIASetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
{
VIAPtr pVia = VIAPTR(pScrn);
VIABIOSInfoPtr pBIOSInfo = pVia->pBIOSInfo;
unsigned char xoff, yoff;
CARD32 dwCursorMode;
if (x < 0) {
xoff = ((-x) & 0xFE);
x = 0;
} else {
xoff = 0;
}
if (y < 0) {
yoff = ((-y) & 0xFE);
y = 0;
} else {
yoff = 0;
/* LCD Expand Mode Cursor Y Position Re-Calculated */
if (pBIOSInfo->scaleY) {
y = (int)(((pBIOSInfo->panelY * y) + (pBIOSInfo->resY >> 1)) / pBIOSInfo->resY);
}
}
/* Hide cursor before set cursor position in order to avoid ghost cursor
* image when directly set cursor position. It should be a HW bug but
* we can use patch by SW. */
dwCursorMode = VIAGETREG(VIA_REG_CURSOR_MODE);
/* Turn cursor off. */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode & 0xFFFFFFFE);
VIASETREG(VIA_REG_CURSOR_ORG, ((xoff << 16) | (yoff & 0x003f)));
VIASETREG(VIA_REG_CURSOR_POS, ((x << 16) | (y & 0x07ff)));
/* Restore cursor status */
VIASETREG(VIA_REG_CURSOR_MODE, dwCursorMode);
}
static void
VIASetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
{
VIAPtr pVia = VIAPTR(pScrn);
VIASETREG(VIA_REG_CURSOR_FG, fg);
VIASETREG(VIA_REG_CURSOR_BG, bg);
}
/*
*
*/
void
ViaCursorStore(ScrnInfoPtr pScrn)
{
VIAPtr pVia = VIAPTR(pScrn);
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO, "ViaCursorStore\n"));
if (pVia->CursorImage) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ViaCursorStore: stale image left.\n");
xfree(pVia->CursorImage);
}
pVia->CursorImage = xcalloc(1, 0x1000);
memcpy(pVia->CursorImage, pVia->FBBase + pVia->CursorStart, 0x1000);
pVia->CursorFG = (CARD32)VIAGETREG(VIA_REG_CURSOR_FG);
pVia->CursorBG = (CARD32)VIAGETREG(VIA_REG_CURSOR_BG);
pVia->CursorMC = (CARD32)VIAGETREG(VIA_REG_CURSOR_MODE);
}
/*
*
*/
void
ViaCursorRestore(ScrnInfoPtr pScrn)
{
VIAPtr pVia = VIAPTR(pScrn);
DEBUG(xf86DrvMsg(pScrn->scrnIndex, X_INFO, "ViaCursorRestore\n"));
if (pVia->CursorImage) {
memcpy(pVia->FBBase + pVia->CursorStart, pVia->CursorImage, 0x1000);
VIASETREG(VIA_REG_CURSOR_FG, pVia->CursorFG);
VIASETREG(VIA_REG_CURSOR_BG, pVia->CursorBG);
VIASETREG(VIA_REG_CURSOR_MODE, pVia->CursorMC);
xfree(pVia->CursorImage);
pVia->CursorImage = NULL;
} else
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "ViaCursorRestore: No cursor image stored.\n");
}
|
