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Diffstat (limited to 'src/atimach64io.c')
| -rw-r--r-- | src/atimach64io.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/atimach64io.c b/src/atimach64io.c deleted file mode 100644 index b4fafd97..00000000 --- a/src/atimach64io.c +++ /dev/null @@ -1,100 +0,0 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atimach64io.c,v 1.6 2003/04/23 21:51:29 tsi Exp $ */ -/* - * Copyright 2000 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org - * - * 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 Marc Aurele La France not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. Marc Aurele La France makes no representations - * about the suitability of this software for any purpose. It is provided - * "as-is" without express or implied warranty. - * - * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO - * EVENT SHALL MARC AURELE LA FRANCE 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. - */ - -#include "ati.h" -#include "atichip.h" -#include "atimach64io.h" - -/* - * ATIMach64AccessPLLReg -- - * - * This function sets up the addressing required to access, for read or write, - * a 264xT's PLL registers. - */ -void -ATIMach64AccessPLLReg -( - ATIPtr pATI, - const CARD8 Index, - const Bool Write -) -{ - CARD8 clock_cntl1 = in8(CLOCK_CNTL + 1) & - ~GetByte(PLL_WR_EN | PLL_ADDR, 1); - - /* Set PLL register to be read or written */ - out8(CLOCK_CNTL + 1, clock_cntl1 | - GetByte(SetBits(Index, PLL_ADDR) | SetBits(Write, PLL_WR_EN), 1)); -} - -/* - * ATIMach64PollEngineStatus -- - * - * This function refreshes the driver's view of the draw engine's status. This - * has been moved into a separate compilation unit to prevent inlining. - */ -void -ATIMach64PollEngineStatus -( - ATIPtr pATI -) -{ - CARD32 IOValue; - int Count; - - if (pATI->Chip < ATI_CHIP_264VTB) - { - /* - * TODO: Deal with locked engines. - */ - IOValue = inm(FIFO_STAT); - pATI->EngineIsLocked = GetBits(IOValue, FIFO_ERR); - - /* - * The following counts the number of bits in FIFO_STAT_BITS, and is - * derived from miSetVisualTypes() (formerly cfbSetVisualTypes()). - */ - IOValue = GetBits(IOValue, FIFO_STAT_BITS); - Count = (IOValue >> 1) & 0x36DBU; - Count = IOValue - Count - ((Count >> 1) & 0x36DBU); - Count = ((Count + (Count >> 3)) & 0x71C7U) % 0x3FU; - Count = pATI->nFIFOEntries - Count; - if (Count > pATI->nAvailableFIFOEntries) - pATI->nAvailableFIFOEntries = Count; - - /* - * If the command FIFO is non-empty, then the engine isn't idle. - */ - if (pATI->nAvailableFIFOEntries < pATI->nFIFOEntries) - { - pATI->EngineIsBusy = TRUE; - return; - } - } - - IOValue = inm(GUI_STAT); - pATI->EngineIsBusy = GetBits(IOValue, GUI_ACTIVE); - Count = GetBits(IOValue, GUI_FIFO); - if (Count > pATI->nAvailableFIFOEntries) - pATI->nAvailableFIFOEntries = Count; -} |