321 lines
8.2 KiB
C
321 lines
8.2 KiB
C
/*
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* Copyright © 2003 Eric Anholt
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Eric Anholt not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Eric Anholt makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/io.h>
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "sis.h"
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#include "sis_reg.h"
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#if 0
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#define SIS_FALLBACK(x) \
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do { \
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ErrorF x; \
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return FALSE; \
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} while (0)
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#else
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#define SIS_FALLBACK(x) return FALSE
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#endif
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CARD8 SiSSolidRop[16] = {
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/* GXclear */ 0x00, /* 0 */
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/* GXand */ 0xa0, /* src AND dst */
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/* GXandReverse */ 0x50, /* src AND NOT dst */
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/* GXcopy */ 0xf0, /* src */
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/* GXandInverted*/ 0x0a, /* NOT src AND dst */
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/* GXnoop */ 0xaa, /* dst */
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/* GXxor */ 0x5a, /* src XOR dst */
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/* GXor */ 0xfa, /* src OR dst */
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/* GXnor */ 0x05, /* NOT src AND NOT dst */
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/* GXequiv */ 0xa5, /* NOT src XOR dst */
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/* GXinvert */ 0x55, /* NOT dst */
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/* GXorReverse */ 0xf5, /* src OR NOT dst */
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/* GXcopyInverted*/ 0x0f, /* NOT src */
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/* GXorInverted */ 0xaf, /* NOT src OR dst */
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/* GXnand */ 0x5f, /* NOT src OR NOT dst */
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/* GXset */ 0xff, /* 1 */
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};
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CARD8 SiSBltRop[16] = {
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/* GXclear */ 0x00, /* 0 */
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/* GXand */ 0x88, /* src AND dst */
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/* GXandReverse */ 0x44, /* src AND NOT dst */
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/* GXcopy */ 0xcc, /* src */
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/* GXandInverted*/ 0x22, /* NOT src AND dst */
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/* GXnoop */ 0xaa, /* dst */
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/* GXxor */ 0x66, /* src XOR dst */
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/* GXor */ 0xee, /* src OR dst */
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/* GXnor */ 0x11, /* NOT src AND NOT dst */
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/* GXequiv */ 0x99, /* NOT src XOR dst */
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/* GXinvert */ 0x55, /* NOT dst */
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/* GXorReverse */ 0xdd, /* src OR NOT dst */
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/* GXcopyInverted*/ 0x33, /* NOT src */
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/* GXorInverted */ 0xbb, /* NOT src OR dst */
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/* GXnand */ 0x77, /* NOT src OR NOT dst */
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/* GXset */ 0xff, /* 1 */
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};
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int copydx, copydy;
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int fifo_size;
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SiSScreenInfo *accel_siss;
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char *mmio;
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CARD32 sis_color = 0;
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CARD32 blitCmd;
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static void
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SiSWaitAvailMMIO(int n)
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{
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while (fifo_size < n) {
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fifo_size = MMIO_IN32(mmio, REG_CommandQueue) & MASK_QueueLen;
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}
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fifo_size -= n;
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}
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static void
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SiSWaitIdle(void)
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{
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CARD32 engineState;
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do {
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engineState = MMIO_IN32(mmio, REG_CommandQueue);
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} while ((engineState & SiS_EngIdle) != SiS_EngIdle);
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}
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static Bool
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SiSPrepareSolid(PixmapPtr pPixmap, int alu, Pixel pm, Pixel fg)
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{
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KdScreenPriv(pPixmap->drawable.pScreen);
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SiSScreenInfo(pScreenPriv);
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SiSCardInfo(pScreenPriv);
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/* No acceleration for other formats (yet) */
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if (pPixmap->drawable.bitsPerPixel !=
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pScreenPriv->screen->fb[0].bitsPerPixel)
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return FALSE;
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if ((pm & 0x00ffffff) != 0x00ffffff) /* XXX */
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SIS_FALLBACK(("Unsupported planemask 0x%x\n", pm));
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accel_siss = siss;
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mmio = sisc->reg_base;
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SiSWaitAvailMMIO(4);
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MMIO_OUT32(mmio, REG_BLT_PATFG, fg);
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MMIO_OUT32(mmio, REG_BLT_DSTRECT, (-1 << 16) | pPixmap->devKind);
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MMIO_OUT32(mmio, REG_BLT_SRCPITCH, siss->depthSet);
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MMIO_OUT32(mmio, REG_BLT_DSTBASE, ((CARD8 *)pPixmap->devPrivate.ptr -
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pScreenPriv->screen->memory_base));
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blitCmd = BLT_CMD_BITBLT | BLT_PAT_FG | BLT_X_INC | BLT_Y_INC |
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BLT_NOCLIP | (SiSSolidRop[alu] << 8);
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return TRUE;
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}
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static void
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SiSSolid(int x1, int y1, int x2, int y2)
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{
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SiSWaitAvailMMIO(3);
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MMIO_OUT32(mmio, REG_BLT_DSTXY, (x1 << 16) | y1);
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MMIO_OUT32(mmio, REG_BLT_H_W, ((y2 - y1) << 16) | (x2 - x1));
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MMIO_OUT32(mmio, REG_BLT_CMD, blitCmd);
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}
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static void
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SiSDoneSolid(void)
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{
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}
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static Bool
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SiSPrepareCopy(PixmapPtr pSrc, PixmapPtr pDst, int dx, int dy, int alu,
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Pixel pm)
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{
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KdScreenPriv(pDst->drawable.pScreen);
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SiSScreenInfo(pScreenPriv);
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SiSCardInfo(pScreenPriv);
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/* No acceleration for other formats (yet) */
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if (pDst->drawable.bitsPerPixel !=
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pScreenPriv->screen->fb[0].bitsPerPixel)
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return FALSE;
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if ((pm & 0x00ffffff) != 0x00ffffff) /* XXX */
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SIS_FALLBACK(("Unsupported pixel mask 0x%x\n", pm));
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accel_siss = siss;
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mmio = sisc->reg_base;
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SiSWaitAvailMMIO(4);
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MMIO_OUT32(mmio, REG_BLT_SRCPITCH, siss->depthSet | pSrc->devKind);
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MMIO_OUT32(mmio, REG_BLT_DSTRECT, (-1 << 16) | pDst->devKind);
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MMIO_OUT32(mmio, REG_BLT_SRCBASE, ((CARD8 *)pSrc->devPrivate.ptr -
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pScreenPriv->screen->memory_base));
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MMIO_OUT32(mmio, REG_BLT_DSTBASE, ((CARD8 *)pDst->devPrivate.ptr -
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pScreenPriv->screen->memory_base));
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blitCmd = BLT_CMD_BITBLT | BLT_PAT_FG | BLT_NOCLIP |
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(SiSBltRop[alu] << 8);
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if (pSrc != pDst || dx >= 0)
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blitCmd |= BLT_X_INC;
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if (pSrc != pDst || dy >= 0)
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blitCmd |= BLT_Y_INC;
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return TRUE;
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}
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static void
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SiSCopy(int srcX, int srcY, int dstX, int dstY, int w, int h)
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{
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if (!(blitCmd & BLT_X_INC)) {
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srcX += w - 1;
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dstX += w - 1;
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}
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if (!(blitCmd & BLT_Y_INC)) {
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srcY += h - 1;
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dstY += h - 1;
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}
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SiSWaitAvailMMIO(4);
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MMIO_OUT32(mmio, REG_BLT_H_W, (h << 16) | w);
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MMIO_OUT32(mmio, REG_BLT_SRCXY, (srcX << 16) | srcY);
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MMIO_OUT32(mmio, REG_BLT_DSTXY, (dstX << 16) | dstY);
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MMIO_OUT32(mmio, REG_BLT_CMD, blitCmd);
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}
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static void
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SiSDoneCopy(void)
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{
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}
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KaaScreenInfoRec SiSKaa = {
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SiSPrepareSolid,
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SiSSolid,
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SiSDoneSolid,
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SiSPrepareCopy,
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SiSCopy,
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SiSDoneCopy,
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KAA_OFFSCREEN_PIXMAPS,
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8,
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8
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};
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#define USE_TURBOQUEUE 0
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Bool
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SiSDrawInit(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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SiSScreenInfo(pScreenPriv);
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CARD8 tmp;
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#if USE_TURBOQUEUE
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int tqsize;
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#endif
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switch (pScreenPriv->screen->fb[0].depth)
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{
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case 8:
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siss->depthSet = 0x00000000;
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break;
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case 15:
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siss->depthSet = 0x40000000;
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break;
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case 16:
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siss->depthSet = 0x80000000;
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break;
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case 24:
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if (pScreenPriv->screen->fb[0].bitsPerPixel == 32) {
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siss->depthSet = 0xc0000000;
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break;
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}
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/* FALLTHROUGH*/
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default:
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ErrorF("Unsupported depth/bpp %d/%d\n",
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pScreenPriv->screen->fb[0].depth,
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pScreenPriv->screen->fb[0].bitsPerPixel);
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return FALSE;
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}
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outb(0x05, 0x3c4);
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outb(0x86, 0x3c5); /* unlock registers */
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outb(0x20, 0x3c4);
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outb(0xA1, 0x3c5); /* enable pci linear addressing, MMIO, PCI_IO */
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outb(0x1e, 0x3c4);
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tmp = inb(0x3c5);
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outb(tmp | 0x42 | 0x18, 0x3c5); /* Enable 2d and 3d */
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#if USE_TURBOQUEUE
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tqsize = (pScreenPriv->screen->memory_size / 1024) / 64 - 8;
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/* Enable TQ */
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outb(0x26, 0x3c4);
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outb(tqsize & 0xff, 0x3c5);
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outb(0x27, 0x3c4);
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tmp = inb(0x3c5);
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outb(((tqsize >> 8) & 0x03) | (tmp & 0x0c) | 0xF0, 0x3c5);
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/* XXX: Adjust offscreen size to avoid TQ area (last 512k) */
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#endif
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ErrorF("Screen: %d/%d depth/bpp\n", pScreenPriv->screen->fb[0].depth,
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pScreenPriv->screen->fb[0].bitsPerPixel);
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if (!kaaDrawInit(pScreen, &SiSKaa))
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return FALSE;
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return TRUE;
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}
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void
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SiSDrawEnable(ScreenPtr pScreen)
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{
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KdMarkSync(pScreen);
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}
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void
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SiSDrawDisable(ScreenPtr pScreen)
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{
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}
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void
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SiSDrawFini(ScreenPtr pScreen)
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{
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kaaDrawFini (pScreen);
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}
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void
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SiSDrawSync(ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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SiSScreenInfo(pScreenPriv);
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SiSCardInfo(pScreenPriv);
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accel_siss = siss;
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mmio = sisc->reg_base;
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SiSWaitIdle();
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}
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