summaryrefslogtreecommitdiff
path: root/hw/kdrive/sis300/sis_draw.c
blob: 77e5829e434b1ade2dd5ad0fc18b207706ad9711 (plain)
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
312
313
314
315
316
317
318
319
320
321
322
323
/*
 * $Id$
 *
 * Copyright © 2003 Eric Anholt
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Eric Anholt not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Eric Anholt makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
/* $Header$ */

#include <sys/io.h>

#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif

#include "sis.h"
#include "sis_reg.h"

#if 0
#define SIS_FALLBACK(x)		\
do {				\
	ErrorF x;		\
	return FALSE;		\
} while (0)
#else
#define SIS_FALLBACK(x) return FALSE
#endif

CARD8 SiSSolidRop[16] = {
    /* GXclear      */      0x00,         /* 0 */
    /* GXand        */      0xa0,         /* src AND dst */
    /* GXandReverse */      0x50,         /* src AND NOT dst */
    /* GXcopy       */      0xf0,         /* src */
    /* GXandInverted*/      0x0a,         /* NOT src AND dst */
    /* GXnoop       */      0xaa,         /* dst */
    /* GXxor        */      0x5a,         /* src XOR dst */
    /* GXor         */      0xfa,         /* src OR dst */
    /* GXnor        */      0x05,         /* NOT src AND NOT dst */
    /* GXequiv      */      0xa5,         /* NOT src XOR dst */
    /* GXinvert     */      0x55,         /* NOT dst */
    /* GXorReverse  */      0xf5,         /* src OR NOT dst */
    /* GXcopyInverted*/     0x0f,         /* NOT src */
    /* GXorInverted */      0xaf,         /* NOT src OR dst */
    /* GXnand       */      0x5f,         /* NOT src OR NOT dst */
    /* GXset        */      0xff,         /* 1 */
};

CARD8 SiSBltRop[16] = {
    /* GXclear      */      0x00,         /* 0 */
    /* GXand        */      0x88,         /* src AND dst */
    /* GXandReverse */      0x44,         /* src AND NOT dst */
    /* GXcopy       */      0xcc,         /* src */
    /* GXandInverted*/      0x22,         /* NOT src AND dst */
    /* GXnoop       */      0xaa,         /* dst */
    /* GXxor        */      0x66,         /* src XOR dst */
    /* GXor         */      0xee,         /* src OR dst */
    /* GXnor        */      0x11,         /* NOT src AND NOT dst */
    /* GXequiv      */      0x99,         /* NOT src XOR dst */
    /* GXinvert     */      0x55,         /* NOT dst */
    /* GXorReverse  */      0xdd,         /* src OR NOT dst */
    /* GXcopyInverted*/     0x33,         /* NOT src */
    /* GXorInverted */      0xbb,         /* NOT src OR dst */
    /* GXnand       */      0x77,         /* NOT src OR NOT dst */
    /* GXset        */      0xff,         /* 1 */
};

int copydx, copydy;
int fifo_size;
SiSScreenInfo *accel_siss;
char *mmio;
CARD32 sis_color = 0;
CARD32 blitCmd;

static void
SiSWaitAvailMMIO(int n)
{
	while (fifo_size < n) {
		fifo_size = MMIO_IN32(mmio, REG_CommandQueue) & MASK_QueueLen;
	}
	fifo_size -= n;
}

static void
SiSWaitIdle(void)
{
	CARD32 engineState;
	do {
		engineState = MMIO_IN32(mmio, REG_CommandQueue);
	} while ((engineState & SiS_EngIdle) != SiS_EngIdle);
}

static Bool
SiSPrepareSolid(PixmapPtr pPixmap, int alu, Pixel pm, Pixel fg)
{
	KdScreenPriv(pPixmap->drawable.pScreen);
	SiSScreenInfo(pScreenPriv);
	SiSCardInfo(pScreenPriv);

	/* No acceleration for other formats (yet) */
	if (pPixmap->drawable.bitsPerPixel !=
	    pScreenPriv->screen->fb[0].bitsPerPixel)
		return FALSE;

	if ((pm & 0x00ffffff) != 0x00ffffff)	/* XXX */
		SIS_FALLBACK(("Unsupported planemask 0x%x\n", pm));

	accel_siss = siss;
	mmio = sisc->reg_base;

	SiSWaitAvailMMIO(4);
	MMIO_OUT32(mmio, REG_BLT_PATFG, fg);
	MMIO_OUT32(mmio, REG_BLT_DSTRECT, (-1 << 16) | pPixmap->devKind);
	MMIO_OUT32(mmio, REG_BLT_SRCPITCH, siss->depthSet);
	MMIO_OUT32(mmio, REG_BLT_DSTBASE, ((CARD8 *)pPixmap->devPrivate.ptr -
	    pScreenPriv->screen->memory_base));

	blitCmd = BLT_CMD_BITBLT | BLT_PAT_FG | BLT_X_INC | BLT_Y_INC |
	    BLT_NOCLIP | (SiSSolidRop[alu] << 8);

	return TRUE;
}

static void
SiSSolid(int x1, int y1, int x2, int y2)
{
	SiSWaitAvailMMIO(3);
	MMIO_OUT32(mmio, REG_BLT_DSTXY, (x1 << 16) | y1);
	MMIO_OUT32(mmio, REG_BLT_H_W, ((y2 - y1) << 16) | (x2 - x1));
	MMIO_OUT32(mmio, REG_BLT_CMD, blitCmd);
}

static void
SiSDoneSolid(void)
{
}

static Bool
SiSPrepareCopy(PixmapPtr pSrc, PixmapPtr pDst, int dx, int dy, int alu,
    Pixel pm)
{
	KdScreenPriv(pDst->drawable.pScreen);
	SiSScreenInfo(pScreenPriv);
	SiSCardInfo(pScreenPriv);

	/* No acceleration for other formats (yet) */
	if (pDst->drawable.bitsPerPixel !=
	    pScreenPriv->screen->fb[0].bitsPerPixel)
		return FALSE;

	if ((pm & 0x00ffffff) != 0x00ffffff)	/* XXX */
		SIS_FALLBACK(("Unsupported pixel mask 0x%x\n", pm));

	accel_siss = siss;
	mmio = sisc->reg_base;

	SiSWaitAvailMMIO(4);
	MMIO_OUT32(mmio, REG_BLT_SRCPITCH, siss->depthSet | pSrc->devKind);
	MMIO_OUT32(mmio, REG_BLT_DSTRECT, (-1 << 16) | pDst->devKind);
	MMIO_OUT32(mmio, REG_BLT_SRCBASE, ((CARD8 *)pSrc->devPrivate.ptr -
	    pScreenPriv->screen->memory_base));
	MMIO_OUT32(mmio, REG_BLT_DSTBASE, ((CARD8 *)pDst->devPrivate.ptr -
	    pScreenPriv->screen->memory_base));

	blitCmd = BLT_CMD_BITBLT | BLT_PAT_FG | BLT_NOCLIP |
	    (SiSBltRop[alu] << 8);

	if (pSrc != pDst || dx >= 0)
		blitCmd |= BLT_X_INC;
	if (pSrc != pDst || dy >= 0)
		blitCmd |= BLT_Y_INC;

	return TRUE;
}

static void
SiSCopy(int srcX, int srcY, int dstX, int dstY, int w, int h)
{
	if (!(blitCmd & BLT_X_INC)) {
		srcX += w - 1;
		dstX += w - 1;
	}

	if (!(blitCmd & BLT_Y_INC)) {
		srcY += h - 1;
		dstY += h - 1;
	}

	SiSWaitAvailMMIO(4);
	MMIO_OUT32(mmio, REG_BLT_H_W, (h << 16) | w);
	MMIO_OUT32(mmio, REG_BLT_SRCXY, (srcX << 16) | srcY);
	MMIO_OUT32(mmio, REG_BLT_DSTXY, (dstX << 16) | dstY);
	MMIO_OUT32(mmio, REG_BLT_CMD, blitCmd);
}

static void
SiSDoneCopy(void)
{
}

KaaScreenInfoRec SiSKaa = {
	SiSPrepareSolid,
	SiSSolid,
	SiSDoneSolid,
	SiSPrepareCopy,
	SiSCopy,
	SiSDoneCopy,
	KAA_OFFSCREEN_PIXMAPS,
	8,
	8
};

#define USE_TURBOQUEUE 0

Bool
SiSDrawInit(ScreenPtr pScreen)
{
	KdScreenPriv(pScreen);
	SiSScreenInfo(pScreenPriv);
	CARD8 tmp;
#if USE_TURBOQUEUE
	int tqsize;
#endif

	switch (pScreenPriv->screen->fb[0].depth)
	{
	case 8:
		siss->depthSet = 0x00000000;
		break;
	case 15:
		siss->depthSet = 0x40000000;
		break;
	case 16:
		siss->depthSet = 0x80000000;
		break;
	case 24:
		if (pScreenPriv->screen->fb[0].bitsPerPixel == 32) {
			siss->depthSet = 0xc0000000;
			break;
		}
		/* FALLTHROUGH*/
	default:
		ErrorF("Unsupported depth/bpp %d/%d\n",
		    pScreenPriv->screen->fb[0].depth,
		    pScreenPriv->screen->fb[0].bitsPerPixel);
		return FALSE;
	}

	outb(0x05, 0x3c4);
	outb(0x86, 0x3c5); /* unlock registers */

	outb(0x20, 0x3c4);
	outb(0xA1, 0x3c5); /* enable pci linear addressing, MMIO, PCI_IO */

	outb(0x1e, 0x3c4);
	tmp = inb(0x3c5);
	outb(tmp | 0x42 | 0x18, 0x3c5); /* Enable 2d and 3d */

#if USE_TURBOQUEUE
	tqsize = (pScreenPriv->screen->memory_size / 1024) / 64 - 8;
	/* Enable TQ */
	outb(0x26, 0x3c4);
	outb(tqsize & 0xff, 0x3c5);
	outb(0x27, 0x3c4);
	tmp = inb(0x3c5);
	outb(((tqsize >> 8) & 0x03) | (tmp & 0x0c) | 0xF0, 0x3c5);
	
	/* XXX: Adjust offscreen size to avoid TQ area (last 512k) */
#endif

	ErrorF("Screen: %d/%d depth/bpp\n", pScreenPriv->screen->fb[0].depth,
	    pScreenPriv->screen->fb[0].bitsPerPixel);

	if (!kaaDrawInit(pScreen, &SiSKaa))
		return FALSE;

	return TRUE;
}

void
SiSDrawEnable(ScreenPtr pScreen)
{
	KdMarkSync(pScreen);
}

void
SiSDrawDisable(ScreenPtr pScreen)
{
}

void
SiSDrawFini(ScreenPtr pScreen)
{
	kaaDrawFini (pScreen);
}

void
SiSDrawSync(ScreenPtr pScreen)
{
	KdScreenPriv(pScreen);
	SiSScreenInfo(pScreenPriv);
	SiSCardInfo(pScreenPriv);

	accel_siss = siss;
	mmio = sisc->reg_base;

	SiSWaitIdle();
}