xserver-multidpi/hw/kdrive/nvidia/nvidia.c
2007-06-29 14:06:52 -04:00

362 lines
9.0 KiB
C

/*
* Copyright © 2003 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "nvidia.h"
#include "kaa.h"
#include <sys/io.h>
static Bool
nvidiaCardInit (KdCardInfo *card)
{
NvidiaCardInfo *nvidiac;
nvidiac = (NvidiaCardInfo *) xalloc (sizeof (NvidiaCardInfo));
if (!nvidiac)
return FALSE;
(void) nvidiaMapReg (card, nvidiac);
if (!vesaInitialize (card, &nvidiac->vesa))
{
xfree (nvidiac);
return FALSE;
}
card->driver = nvidiac;
return TRUE;
}
static Bool
nvidiaScreenInit (KdScreenInfo *screen)
{
NvidiaCardInfo *nvidiac = screen->card->driver;
NvidiaScreenInfo *nvidias;
int screen_size, memory;
nvidias = (NvidiaScreenInfo *) xalloc (sizeof (NvidiaScreenInfo));
if (!nvidias)
return FALSE;
memset (nvidias, '\0', sizeof (NvidiaScreenInfo));
if (!vesaScreenInitialize (screen, &nvidias->vesa))
{
xfree (nvidias);
return FALSE;
}
if (!nvidiac->reg_base)
screen->dumb = TRUE;
if (nvidias->vesa.mapping != VESA_LINEAR)
screen->dumb = TRUE;
nvidias->screen = nvidias->vesa.fb;
memory = nvidias->vesa.fb_size;
screen_size = screen->fb[0].byteStride * screen->height;
if (nvidias->screen && memory >= screen_size + 2048)
{
memory -= 2048;
nvidias->cursor_base = nvidias->screen + memory - 2048;
}
else
nvidias->cursor_base = 0;
screen->softCursor = TRUE; /* XXX for now */
memory -= screen_size;
if (memory > screen->fb[0].byteStride)
{
nvidias->off_screen = nvidias->screen + screen_size;
nvidias->off_screen_size = memory;
}
else
{
nvidias->off_screen = 0;
nvidias->off_screen_size = 0;
}
screen->driver = nvidias;
return TRUE;
}
static Bool
nvidiaInitScreen (ScreenPtr pScreen)
{
#if 0
#ifdef XV
KdScreenPriv(pScreen);
NvidiaCardInfo *nvidiac = pScreenPriv->screen->card->driver;
if (nvidiac->media_reg && nvidiac->reg)
nvidiaInitVideo(pScreen);
#endif
#endif
return vesaInitScreen (pScreen);
}
#ifdef RANDR
static Bool
nvidiaRandRSetConfig (ScreenPtr pScreen,
Rotation rotation,
int rate,
RRScreenSizePtr pSize)
{
kaaWaitSync (pScreen);
if (!vesaRandRSetConfig (pScreen, rotation, rate, pSize))
return FALSE;
return TRUE;
}
static void
nvidiaRandRInit (ScreenPtr pScreen)
{
rrScrPriv(pScreen);
pScrPriv->rrSetConfig = nvidiaRandRSetConfig;
}
#endif
static Bool
nvidiaFinishInitScreen (ScreenPtr pScreen)
{
Bool ret;
ret = vesaFinishInitScreen (pScreen);
#ifdef RANDR
nvidiaRandRInit (pScreen);
#endif
return ret;
}
void
nvidiaPreserve (KdCardInfo *card)
{
vesaPreserve(card);
}
void
nvidiaOutb (NvidiaCardInfo *nvidiac, CARD16 port, CARD8 val)
{
asm volatile ("outb %b0,%w1" : : "a" (val), "d" (port));
}
CARD8
nvidiaInb (NvidiaCardInfo *nvidiac, CARD16 port)
{
CARD8 v;
asm volatile ("inb %w1,%b0" : "=a" (v) : "d" (port));
return v;
}
CARD8
nvidiaGetIndex (NvidiaCardInfo *nvidiac, CARD16 addr, CARD16 data, CARD8 id)
{
CARD8 ret;
DBGOUT ("nvidiaGetIndex(0x%x,0x%x)\n", addr, id);
nvidiaOutb (nvidiac, addr, id);
ret = nvidiaInb (nvidiac, data);
DBGOUT (" -> 0x%x\n", ret);
return ret;
}
void
nvidiaSetIndex (NvidiaCardInfo *nvidiac, CARD16 addr, CARD16 data, CARD8 id, CARD8 val)
{
DBGOUT ("nvidiaSetIndex(0x%x,0x%x) = 0x%x\n", addr, id, val);
nvidiaOutb (nvidiac, addr, id);
nvidiaOutb (nvidiac, data, val);
}
static void vgaLockUnlock (NvidiaCardInfo *nvidiac, Bool lock)
{
CARD8 cr11;
ENTER ();
cr11 = nvidiaGetIndex (nvidiac, 0x3d4, 0x3d5, 0x11);
if (lock) cr11 |= 0x80;
else cr11 &= ~0x80;
nvidiaSetIndex (nvidiac, 0x3d4, 0x3d5, 0x11, cr11);
LEAVE ();
}
static void nvidiaLockUnlock (NvidiaCardInfo *nvidiac, Bool lock)
{
if (NVIDIA_IS_3(nvidiac))
nvidiaSetIndex (nvidiac, 0x3c4, 0x3c5, 0x06, lock ? 0x99 : 0x57);
else
nvidiaSetIndex (nvidiac, 0x3c4, 0x3c5, 0x1f, lock ? 0x99 : 0x57);
vgaLockUnlock(nvidiac, lock);
}
Bool
nvidiaMapReg (KdCardInfo *card, NvidiaCardInfo *nvidiac)
{
nvidiac->reg_base = (CARD8 *) KdMapDevice (NVIDIA_REG_BASE(card),
NVIDIA_REG_SIZE(card));
if (!nvidiac->reg_base)
{
nvidiac->mmio = 0;
nvidiac->rop = 0;
nvidiac->blt = 0;
nvidiac->rect = 0;
return FALSE;
}
nvidiac->mmio = (CARD8 *) (nvidiac->reg_base + NVIDIA_MMIO_OFF(card));
nvidiac->rop = (NvidiaRop *) (nvidiac->reg_base + NVIDIA_ROP_OFF(card));
nvidiac->rect = (NvidiaRectangle *) (nvidiac->reg_base + NVIDIA_RECTANGLE_OFF(card));
nvidiac->blt = (NvidiaScreenBlt *) (nvidiac->reg_base + NVIDIA_BLT_OFF(card));
nvidiac->busy = (NvidiaBusy *) (nvidiac->reg_base + NVIDIA_BUSY_OFF(card));
KdSetMappedMode (NVIDIA_REG_BASE(card),
NVIDIA_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
return TRUE;
}
void
nvidiaUnmapReg (KdCardInfo *card, NvidiaCardInfo *nvidiac)
{
if (nvidiac->reg_base)
{
KdResetMappedMode (NVIDIA_REG_BASE(card),
NVIDIA_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
KdUnmapDevice ((void *) nvidiac->reg_base, NVIDIA_REG_SIZE(card));
nvidiac->reg_base = 0;
nvidiac->rop = 0;
nvidiac->blt = 0;
nvidiac->rect = 0;
}
}
void
nvidiaSetMMIO (KdCardInfo *card, NvidiaCardInfo *nvidiac)
{
if (!nvidiac->reg_base)
nvidiaMapReg (card, nvidiac);
nvidiaLockUnlock (nvidiac, FALSE);
nvidiac->fifo_free = 0;
nvidiac->fifo_size = nvidiac->rop->FifoFree.FifoFree;
}
void
nvidiaResetMMIO (KdCardInfo *card, NvidiaCardInfo *nvidiac)
{
nvidiaUnmapReg (card, nvidiac);
nvidiaLockUnlock (nvidiac, TRUE);
}
Bool
nvidiaEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
NvidiaCardInfo *nvidiac = pScreenPriv->card->driver;
if (!vesaEnable (pScreen))
return FALSE;
nvidiaSetMMIO (pScreenPriv->card, nvidiac);
#ifdef XV
KdXVEnable (pScreen);
#endif
return TRUE;
}
void
nvidiaDisable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
NvidiaCardInfo *nvidiac = pScreenPriv->card->driver;
#ifdef XV
KdXVDisable (pScreen);
#endif
nvidiaResetMMIO (pScreenPriv->card, nvidiac);
vesaDisable (pScreen);
}
static Bool
nvidiaDPMS (ScreenPtr pScreen, int mode)
{
return vesaDPMS (pScreen, mode);
}
static void
nvidiaRestore (KdCardInfo *card)
{
NvidiaCardInfo *nvidiac = card->driver;
nvidiaResetMMIO (card, nvidiac);
vesaRestore (card);
}
static void
nvidiaScreenFini (KdScreenInfo *screen)
{
NvidiaScreenInfo *nvidias = (NvidiaScreenInfo *) screen->driver;
vesaScreenFini (screen);
xfree (nvidias);
screen->driver = 0;
}
static void
nvidiaCardFini (KdCardInfo *card)
{
NvidiaCardInfo *nvidiac = card->driver;
nvidiaUnmapReg (card, nvidiac);
vesaCardFini (card);
}
#define nvidiaCursorInit 0 /* initCursor */
#define nvidiaCursorEnable 0 /* enableCursor */
#define nvidiaCursorDisable 0 /* disableCursor */
#define nvidiaCursorFini 0 /* finiCursor */
#define nvidiaRecolorCursor 0 /* recolorCursor */
KdCardFuncs nvidiaFuncs = {
nvidiaCardInit, /* cardinit */
nvidiaScreenInit, /* scrinit */
nvidiaInitScreen, /* initScreen */
nvidiaFinishInitScreen, /* finishInitScreen */
vesaCreateResources, /* createRes */
nvidiaPreserve, /* preserve */
nvidiaEnable, /* enable */
nvidiaDPMS, /* dpms */
nvidiaDisable, /* disable */
nvidiaRestore, /* restore */
nvidiaScreenFini, /* scrfini */
nvidiaCardFini, /* cardfini */
nvidiaCursorInit, /* initCursor */
nvidiaCursorEnable, /* enableCursor */
nvidiaCursorDisable, /* disableCursor */
nvidiaCursorFini, /* finiCursor */
nvidiaRecolorCursor, /* recolorCursor */
nvidiaDrawInit, /* initAccel */
nvidiaDrawEnable, /* enableAccel */
nvidiaDrawDisable, /* disableAccel */
nvidiaDrawFini, /* finiAccel */
vesaGetColors, /* getColors */
vesaPutColors, /* putColors */
};