165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
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/*
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* Copyright <EFBFBD> 2003-2004 Anders Carlsson
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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 Anders Carlsson 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. Anders Carlsson 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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* ANDERS CARLSSON 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 ANDERS CARLSSON 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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#ifndef _MGA_H_
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#define _MGA_H_
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#include <vesa.h>
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#include <klinux.h>
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#define MGA_REG_BASE(c) ((c)->attr.address[1])
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#define MGA_REG_SIZE(c) (0x4000)
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#define MGA_OUT32(mmio, a, v) (*(VOL32 *) ((mmio) + (a)) = (v))
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#define MGA_IN32(mmio, a) (*(VOL32 *) ((mmio) + (a)))
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#define MGA_REG_EXEC (0x0100)
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#define MGA_REG_DWGCTL (0x1c00)
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#define MGA_REG_PLNWT (0x1c1c)
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#define MGA_REG_FCOL (0x1c24)
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#define MGA_REG_MACCESS (0x1c04)
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#define MGA_REG_SGN (0x1c58)
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#define MGA_REG_AR0 (0x1c60)
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#define MGA_REG_AR1 (0x1c64)
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#define MGA_REG_AR2 (0x1c68)
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#define MGA_REG_AR3 (0x1c6C)
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#define MGA_REG_AR4 (0x1c70)
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#define MGA_REG_AR5 (0x1c74)
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#define MGA_REG_AR6 (0x1c78)
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#define MGA_REG_CXBNDRY (0x1c80)
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#define MGA_REG_FXBNDRY (0x1c84)
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#define MGA_REG_YDSTLEN (0x1c88)
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#define MGA_REG_PITCH (0x1c8c)
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#define MGA_REG_YTOP (0x1c98)
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#define MGA_REG_YBOT (0x1c9c)
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#define MGA_REG_FIFOSTATUS (0x1e10)
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#define MGA_REG_STATUS (0x1e14)
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#define MGA_REG_CACHEFLUSH (0x1fff)
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#define MGA_REG_SRCORG (0x2cb4)
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#define MGA_REG_DSTORG (0x2cb8)
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#define MGA_G4XX_DEVICE_ID (0x0525)
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#define MGA_PW8 (0)
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#define MGA_PW16 (1)
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#define MGA_PW24 (2)
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#define MGA_PW32 (3)
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/* Drawing opcodes */
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#define MGA_OPCOD_TRAP (4)
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#define MGA_OPCOD_TEXTURE_TRAP (6)
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#define MGA_OPCOD_BITBLT (8)
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#define MGA_DWGCTL_SOLID (1 << 11)
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#define MGA_DWGCTL_ARZERO (1 << 12)
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#define MGA_DWGCTL_SGNZERO (1 << 13)
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#define MGA_DWGCTL_SHIFTZERO (1 << 14)
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#define MGA_DWGCTL_BFCOL (2 << 25)
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#define MGA_ATYPE_RPL (0 << 4)
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#define MGA_ATYPE_RSTR (1 << 4)
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#define MGA_ATYPE_ZI (3 << 4)
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#define MGA_ATYPE_BLK (4 << 4)
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#define MGA_ATYPE_I (7 << 4)
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typedef volatile CARD8 VOL8;
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typedef volatile CARD16 VOL16;
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typedef volatile CARD32 VOL32;
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typedef struct _mgaCardInfo {
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VesaCardPrivRec vesa;
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CARD8 *reg_base;
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int fifo_size;
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} MgaCardInfo;
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#define getMgaCardInfo(kd) ((MgaCardInfo *) ((kd)->card->driver))
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#define mgaCardInfo(kd) MgaCardInfo *mgac = getMgaCardInfo(kd)
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typedef struct _mgaScreenInfo {
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VesaScreenPrivRec vesa;
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KaaScreenInfoRec kaa;
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int pitch;
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int pw;
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} MgaScreenInfo;
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#define getMgaScreenInfo(kd) ((MgaScreenInfo *) ((kd)->screen->driver))
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#define mgaScreenInfo(kd) MgaScreenInfo *mgas = getMgaScreenInfo(kd)
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VOL8 *mmio;
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Bool
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mgaMapReg (KdCardInfo *card, MgaCardInfo *mgac);
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void
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mgaUnmapReg (KdCardInfo *card, MgaCardInfo *mgac);
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void
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mgaSetMMIO (KdCardInfo *card, MgaCardInfo *mgac);
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void
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mgaResetMMIO (KdCardInfo *card, MgaCardInfo *mgac);
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Bool
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mgaDrawSetup (ScreenPtr pScreen);
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Bool
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mgaDrawInit (ScreenPtr pScreen);
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void
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mgaDrawEnable (ScreenPtr pScreen);
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void
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mgaDrawDisable (ScreenPtr pScreen);
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void
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mgaDrawFini (ScreenPtr pScreen);
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extern KdCardFuncs mgaFuncs;
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void
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mgaWaitAvail (int n);
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void
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mgaWaitIdle (void);
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Bool
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mgaSetup (ScreenPtr pScreen, int dest_bpp, int wait);
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#if 0
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#define MGA_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 MGA_FALLBACK(x) return FALSE;
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#endif
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#endif /* _MGA_H_ */
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