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/*
* Copyright © 2003-2004 Anders Carlsson
*
* 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 Anders Carlsson not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Anders Carlsson makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ANDERS CARLSSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ANDERS CARLSSON 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.
*/
#ifndef _MGA_H_
#define _MGA_H_
#include <vesa.h>
#include <klinux.h>
#define MGA_REG_BASE(c) ((c)->attr.address[1])
#define MGA_REG_SIZE(c) (0x4000)
#define MGA_OUT32(mmio, a, v) (*(VOL32 *) ((mmio) + (a)) = (v))
#define MGA_IN32(mmio, a) (*(VOL32 *) ((mmio) + (a)))
#define MGA_REG_EXEC (0x0100)
#define MGA_REG_DWGCTL (0x1c00)
#define MGA_REG_PLNWT (0x1c1c)
#define MGA_REG_FCOL (0x1c24)
#define MGA_REG_MACCESS (0x1c04)
#define MGA_REG_SGN (0x1c58)
#define MGA_REG_AR0 (0x1c60)
#define MGA_REG_AR1 (0x1c64)
#define MGA_REG_AR2 (0x1c68)
#define MGA_REG_AR3 (0x1c6C)
#define MGA_REG_AR4 (0x1c70)
#define MGA_REG_AR5 (0x1c74)
#define MGA_REG_AR6 (0x1c78)
#define MGA_REG_CXBNDRY (0x1c80)
#define MGA_REG_FXBNDRY (0x1c84)
#define MGA_REG_YDSTLEN (0x1c88)
#define MGA_REG_PITCH (0x1c8c)
#define MGA_REG_YTOP (0x1c98)
#define MGA_REG_YBOT (0x1c9c)
#define MGA_REG_FIFOSTATUS (0x1e10)
#define MGA_REG_STATUS (0x1e14)
#define MGA_REG_CACHEFLUSH (0x1fff)
#define MGA_REG_SRCORG (0x2cb4)
#define MGA_REG_DSTORG (0x2cb8)
#define MGA_G4XX_DEVICE_ID (0x0525)
#define MGA_PW8 (0)
#define MGA_PW16 (1)
#define MGA_PW24 (2)
#define MGA_PW32 (3)
/* Drawing opcodes */
#define MGA_OPCOD_TRAP (4)
#define MGA_OPCOD_TEXTURE_TRAP (6)
#define MGA_OPCOD_BITBLT (8)
#define MGA_DWGCTL_SOLID (1 << 11)
#define MGA_DWGCTL_ARZERO (1 << 12)
#define MGA_DWGCTL_SGNZERO (1 << 13)
#define MGA_DWGCTL_SHIFTZERO (1 << 14)
#define MGA_DWGCTL_BFCOL (2 << 25)
#define MGA_ATYPE_RPL (0 << 4)
#define MGA_ATYPE_RSTR (1 << 4)
#define MGA_ATYPE_ZI (3 << 4)
#define MGA_ATYPE_BLK (4 << 4)
#define MGA_ATYPE_I (7 << 4)
typedef volatile CARD8 VOL8;
typedef volatile CARD16 VOL16;
typedef volatile CARD32 VOL32;
typedef struct _mgaCardInfo {
VesaCardPrivRec vesa;
CARD8 *reg_base;
int fifo_size;
} MgaCardInfo;
#define getMgaCardInfo(kd) ((MgaCardInfo *) ((kd)->card->driver))
#define mgaCardInfo(kd) MgaCardInfo *mgac = getMgaCardInfo(kd)
typedef struct _mgaScreenInfo {
VesaScreenPrivRec vesa;
KaaScreenInfoRec kaa;
int pitch;
int pw;
} MgaScreenInfo;
#define getMgaScreenInfo(kd) ((MgaScreenInfo *) ((kd)->screen->driver))
#define mgaScreenInfo(kd) MgaScreenInfo *mgas = getMgaScreenInfo(kd)
VOL8 *mmio;
Bool
mgaMapReg (KdCardInfo *card, MgaCardInfo *mgac);
void
mgaUnmapReg (KdCardInfo *card, MgaCardInfo *mgac);
void
mgaSetMMIO (KdCardInfo *card, MgaCardInfo *mgac);
void
mgaResetMMIO (KdCardInfo *card, MgaCardInfo *mgac);
Bool
mgaDrawSetup (ScreenPtr pScreen);
Bool
mgaDrawInit (ScreenPtr pScreen);
void
mgaDrawEnable (ScreenPtr pScreen);
void
mgaDrawDisable (ScreenPtr pScreen);
void
mgaDrawFini (ScreenPtr pScreen);
extern KdCardFuncs mgaFuncs;
void
mgaWaitAvail (int n);
void
mgaWaitIdle (void);
Bool
mgaSetup (ScreenPtr pScreen, int dest_bpp, int wait);
#if 0
#define MGA_FALLBACK(x) \
do { \
ErrorF x; \
return FALSE; \
} while (0);
#else
#define MGA_FALLBACK(x) return FALSE;
#endif
#endif /* _MGA_H_ */
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