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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
/*
* Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
* Precision Insight, Inc., Cedar Park, Texas, and
* VA Linux Systems Inc., Fremont, California.
*
* 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 on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, 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 ATI, PRECISION INSIGHT, VA LINUX
* SYSTEMS AND/OR THEIR SUPPLIERS 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.
*/
/*
* Authors:
* Rickard E. Faith <faith@valinux.com>
* Kevin E. Martin <martin@valinux.com>
*
* References:
*
* RAGE 128 VR/ RAGE 128 GL Register Reference Manual (Technical
* Reference Manual P/N RRG-G04100-C Rev. 0.04), ATI Technologies: April
* 1999.
*
* RAGE 128 Software Development Manual (Technical Reference Manual P/N
* SDK-G04000 Rev. 0.01), ATI Technologies: June 1999.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* Driver data structures */
#include "r128.h"
#include "r128_reg.h"
/* X and server generic header files */
#include "xf86.h"
#if X_BYTE_ORDER == X_BIG_ENDIAN
#define P_SWAP32( a , b ) \
((char *)a)[0] = ((char *)b)[3]; \
((char *)a)[1] = ((char *)b)[2]; \
((char *)a)[2] = ((char *)b)[1]; \
((char *)a)[3] = ((char *)b)[0]
#define P_SWAP16( a , b ) \
((char *)a)[0] = ((char *)b)[1]; \
((char *)a)[1] = ((char *)b)[0]; \
((char *)a)[2] = ((char *)b)[3]; \
((char *)a)[3] = ((char *)b)[2]
#endif
/* Set cursor foreground and background colors. */
static void R128SetCursorColors(ScrnInfoPtr pScrn, int bg, int fg)
{
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
if(info->IsSecondary)
{
OUTREG(R128_CUR2_CLR0, bg);
OUTREG(R128_CUR2_CLR1, fg);
}
else
{
OUTREG(R128_CUR_CLR0, bg);
OUTREG(R128_CUR_CLR1, fg);
}
}
/* Set cursor position to (x,y) with offset into cursor bitmap at
(xorigin,yorigin). */
static void R128SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
{
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
xf86CursorInfoPtr cursor = info->cursor;
int xorigin = 0;
int yorigin = 0;
int total_y = pScrn->frameY1 - pScrn->frameY0;
if (x < 0) xorigin = -x;
if (y < 0) yorigin = -y;
if (y > total_y) y = total_y;
if (info->Flags & V_DBLSCAN) y *= 2;
if (xorigin >= cursor->MaxWidth) xorigin = cursor->MaxWidth - 1;
if (yorigin >= cursor->MaxHeight) yorigin = cursor->MaxHeight - 1;
if(!info->IsSecondary)
{
OUTREG(R128_CUR_HORZ_VERT_OFF, R128_CUR_LOCK | (xorigin << 16) | yorigin);
OUTREG(R128_CUR_HORZ_VERT_POSN, (R128_CUR_LOCK
| ((xorigin ? 0 : x) << 16)
| (yorigin ? 0 : y)));
OUTREG(R128_CUR_OFFSET, info->cursor_start + yorigin * 16);
}
else
{
OUTREG(R128_CUR2_HORZ_VERT_OFF, (R128_CUR2_LOCK
| (xorigin << 16)
| yorigin));
OUTREG(R128_CUR2_HORZ_VERT_POSN, (R128_CUR2_LOCK
| ((xorigin ? 0 : x) << 16)
| (yorigin ? 0 : y)));
OUTREG(R128_CUR2_OFFSET,
info->cursor_start + pScrn->fbOffset + yorigin * 16);
}
}
/* Copy cursor image from `image' to video memory. R128SetCursorPosition
will be called after this, so we can ignore xorigin and yorigin. */
static void R128LoadCursorImage(ScrnInfoPtr pScrn, unsigned char *image)
{
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
CARD32 *s = (pointer)image;
CARD32 *d = (pointer)((CARD8*)info->FB + info->cursor_start);
int y;
CARD32 save;
if(!info->IsSecondary)
{
save = INREG(R128_CRTC_GEN_CNTL);
OUTREG(R128_CRTC_GEN_CNTL, save & (CARD32)~R128_CRTC_CUR_EN);
}
else
{
save = INREG(R128_CRTC2_GEN_CNTL);
OUTREG(R128_CRTC2_GEN_CNTL, save & (CARD32)~R128_CRTC2_CUR_EN);
}
#if X_BYTE_ORDER == X_BIG_ENDIAN
switch(info->CurrentLayout.pixel_bytes) {
case 4:
case 3:
for (y = 0; y < 64; y++) {
P_SWAP32(d,s);
d++; s++;
P_SWAP32(d,s);
d++; s++;
P_SWAP32(d,s);
d++; s++;
P_SWAP32(d,s);
d++; s++;
}
break;
case 2:
for (y = 0; y < 64; y++) {
P_SWAP16(d,s);
d++; s++;
P_SWAP16(d,s);
d++; s++;
P_SWAP16(d,s);
d++; s++;
P_SWAP16(d,s);
d++; s++;
}
break;
default:
for (y = 0; y < 64; y++) {
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
}
}
#else
for (y = 0; y < 64; y++) {
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
}
#endif
/* Set the area after the cursor to be all transparent so that we
won't display corrupted cursors on the screen */
for (y = 0; y < 64; y++) {
*d++ = 0xffffffff; /* The AND bits */
*d++ = 0xffffffff;
*d++ = 0x00000000; /* The XOR bits */
*d++ = 0x00000000;
}
if(!info->IsSecondary)
OUTREG(R128_CRTC_GEN_CNTL, save);
else
OUTREG(R128_CRTC2_GEN_CNTL, save);
}
/* Hide hardware cursor. */
static void R128HideCursor(ScrnInfoPtr pScrn)
{
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
if(info->IsSecondary)
OUTREGP(R128_CRTC2_GEN_CNTL, 0, ~R128_CRTC2_CUR_EN);
else
OUTREGP(R128_CRTC_GEN_CNTL, 0, ~R128_CRTC_CUR_EN);
}
/* Show hardware cursor. */
static void R128ShowCursor(ScrnInfoPtr pScrn)
{
R128InfoPtr info = R128PTR(pScrn);
unsigned char *R128MMIO = info->MMIO;
if(info->IsSecondary)
{
OUTREGP(R128_CRTC2_GEN_CNTL, R128_CRTC2_CUR_EN,
~R128_CRTC2_CUR_EN);
}
else
{
OUTREGP(R128_CRTC_GEN_CNTL, R128_CRTC_CUR_EN, ~R128_CRTC_CUR_EN);
}
}
/* Determine if hardware cursor is in use. */
static Bool R128UseHWCursor(ScreenPtr pScreen, CursorPtr pCurs)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
return info->cursor_start ? TRUE : FALSE;
}
/* Initialize hardware cursor support. */
Bool R128CursorInit(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
R128InfoPtr info = R128PTR(pScrn);
xf86CursorInfoPtr cursor;
FBAreaPtr fbarea;
int width;
int height;
int size;
if (!(cursor = info->cursor = xf86CreateCursorInfoRec())) return FALSE;
cursor->MaxWidth = 64;
cursor->MaxHeight = 64;
cursor->Flags = (HARDWARE_CURSOR_TRUECOLOR_AT_8BPP
| HARDWARE_CURSOR_SHOW_TRANSPARENT
| HARDWARE_CURSOR_UPDATE_UNHIDDEN
#if X_BYTE_ORDER == X_LITTLE_ENDIAN
| HARDWARE_CURSOR_BIT_ORDER_MSBFIRST
#endif
| HARDWARE_CURSOR_INVERT_MASK
| HARDWARE_CURSOR_AND_SOURCE_WITH_MASK
| HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64
| HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK);
cursor->SetCursorColors = R128SetCursorColors;
cursor->SetCursorPosition = R128SetCursorPosition;
cursor->LoadCursorImage = R128LoadCursorImage;
cursor->HideCursor = R128HideCursor;
cursor->ShowCursor = R128ShowCursor;
cursor->UseHWCursor = R128UseHWCursor;
size = (cursor->MaxWidth/4) * cursor->MaxHeight;
width = pScrn->displayWidth;
height = (size*2 + 1023) / pScrn->displayWidth;
fbarea = xf86AllocateOffscreenArea(pScreen,
width,
height,
16,
NULL,
NULL,
NULL);
if (!fbarea) {
info->cursor_start = 0;
xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
"Hardware cursor disabled"
" due to insufficient offscreen memory\n");
} else {
info->cursor_start = R128_ALIGN((fbarea->box.x1
+ width * fbarea->box.y1)
* info->CurrentLayout.pixel_bytes, 16);
info->cursor_end = info->cursor_start + size;
}
R128TRACE(("R128CursorInit (0x%08x-0x%08x)\n",
info->cursor_start, info->cursor_end));
return xf86InitCursor(pScreen, cursor);
}
|
