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/*
* Copyright 2007 OpenMoko, Inc.
*
* This driver is based on Xati,
* 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 the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS 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.
*
* Edited by:
* Dodji SEKETELI <dodji@openedhand.com>
*/
#ifndef _GLAMO_H_
#define _GLAMO_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "exa.h"
#define GLAMO_REG_BASE(c) ((c)->attr.address[0])
#define GLAMO_REG_SIZE(c) (0x2400)
#ifdef __powerpc__
static __inline__ void
MMIO_OUT16(__volatile__ void *base, const unsigned long offset,
const unsigned int val)
{
__asm__ __volatile__(
"stwbrx %1,%2,%3\n\t"
"eieio"
: "=m" (*((volatile unsigned char *)base+offset))
: "r" (val), "b" (base), "r" (offset));
}
static __inline__ CARD32
MMIO_IN16(__volatile__ void *base, const unsigned long offset)
{
register unsigned int val;
__asm__ __volatile__(
"lwbrx %0,%1,%2\n\t"
"eieio"
: "=r" (val)
: "b" (base), "r" (offset),
"m" (*((volatile unsigned char *)base+offset)));
return val;
}
#else
#define MMIO_OUT16(mmio, a, v) (*(VOL16 *)((mmio) + (a)) = (v))
#define MMIO_IN16(mmio, a) (*(VOL16 *)((mmio) + (a)))
#endif
typedef volatile CARD8 VOL8;
typedef volatile CARD16 VOL16;
typedef volatile CARD32 VOL32;
typedef struct _MemBuf {
int size;
int used;
void *address;
} MemBuf;
typedef struct {
unsigned char* fbstart;
unsigned char* fbmem;
int fboff;
int lineLength;
int rotate;
Bool shadowFB;
void *shadow;
CloseScreenProcPtr CloseScreen;
CreateScreenResourcesProcPtr CreateScreenResources;
void (*PointerMoved)(int index, int x, int y);
EntityInfoPtr pEnt;
/* DGA info */
DGAModePtr pDGAMode;
int nDGAMode;
OptionInfoPtr Options;
PixmapPtr srcPixmap;
PixmapPtr dstPixmap;
CARD32 src_offset;
CARD32 dst_offset;
CARD32 src_pitch;
CARD32 dst_pitch;
CARD32 settings;
CARD32 foreground;
ExaOffscreenArea *exa_cmd_queue;
/* What was GLAMOCardInfo */
char *reg_base;
Bool is_3362;
CARD32 crtc_pitch;
CARD32 crtc2_pitch;
} GlamoRec, *GlamoPtr;
#define GlamoPTR(p) ((GlamoPtr)((p)->driverPrivate))
typedef struct _GLAMOScreenInfo {
GLAMOCardInfo *glamoc;
KdScreenInfo *screen;
int scratch_offset;
int scratch_next;
KdOffscreenArea *scratch_area;
KdVideoAdaptorPtr pAdaptor;
int num_texture_ports;
KdOffscreenArea *cmd_queue; /* mmapped on-device cmd queue. */
ExaOffscreenArea *exa_cmd_queue;
CARD16 *ring_addr; /* Beginning of ring buffer. */
int ring_write; /* Index of write ptr in ring. */
int ring_read; /* Index of read ptr in ring. */
int ring_len;
/*
* cmd queue cache in system memory
* It is to be flushed to cmd_queue_space
* "at once", when we are happy with it.
*/
MemBuf *cmd_queue_cache;
int cmd_queue_cache_start;
} GLAMOScreenInfo;
typedef union { float f; CARD32 i; } fi_type;
/* Surely there's a better way to go about this */
static inline CARD32
GLAMOFloatAsInt(float val)
{
fi_type fi;
fi.f = val;
return fi.i;
}
#define GET_FLOAT_BITS(x) GLAMOFloatAsInt(x)
static inline void
MMIOSetBitMask(char *mmio, CARD32 reg, CARD16 mask, CARD16 val)
{
CARD16 tmp;
val &= mask;
tmp = MMIO_IN16(mmio, reg);
tmp &= ~mask;
tmp |= val;
MMIO_OUT16(mmio, reg, tmp);
}
/* glamo.c */
Bool
GLAMOMapReg(KdCardInfo *card, GLAMOCardInfo *glamoc);
void
GLAMOUnmapReg(KdCardInfo *card, GLAMOCardInfo *glamoc);
void
GLAMODumpRegs(GLAMOScreenInfo *glamos,
CARD16 from,
CARD16 to);
/* glamo_draw.c */
void
GLAMODrawSetup(ScreenPtr pScreen);
Bool
GLAMODrawInit(ScreenPtr pScreen);
void
GLAMODrawEnable(ScreenPtr pScreen);
void
GLAMODrawDisable(ScreenPtr pScreen);
void
GLAMODrawFini(ScreenPtr pScreen);
void
GLAMORecolorCursor(ScreenPtr pScreen, int ndef, xColorItem *pdef);
int
GLAMOLog2(int val);
extern KdCardFuncs GLAMOFuncs;
#endif /* _GLAMO_H_ */
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