diff options
Diffstat (limited to 'src/atimach64io.h')
| -rw-r--r-- | src/atimach64io.h | 67 |
1 files changed, 51 insertions, 16 deletions
diff --git a/src/atimach64io.h b/src/atimach64io.h index b91a882b..e4db52a3 100644 --- a/src/atimach64io.h +++ b/src/atimach64io.h @@ -1,4 +1,4 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atimach64io.h,v 1.14 2003/01/01 19:16:32 tsi Exp $ */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atimach64io.h,v 1.15 2003/04/23 21:51:29 tsi Exp $ */ /* * Copyright 2000 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org * @@ -192,47 +192,82 @@ extern void ATIMach64PollEngineStatus FunctionPrototype((ATIPtr)); * This is no longer as critical, especially for _n == 1. However, * there is still a need to ensure _n <= pATI->nFIFOEntries. */ -#define ATIMach64WaitForFIFO(_pATI, _n) \ - while (pATI->nAvailableFIFOEntries < (_n)) \ - ATIMach64PollEngineStatus(pATI) +#define ATIMach64WaitForFIFO(_pATI, _n) \ + while ((_pATI)->nAvailableFIFOEntries < (_n)) \ + ATIMach64PollEngineStatus(_pATI) -#define ATIMach64WaitForIdle(_pATI) \ - while (pATI->EngineIsBusy) \ - ATIMach64PollEngineStatus(pATI) +#define ATIMach64WaitForIdle(_pATI) \ + while ((_pATI)->EngineIsBusy) \ + ATIMach64PollEngineStatus(_pATI) -extern void ATIAccessMach64PLLReg FunctionPrototype((ATIPtr, const CARD8, +/* + * An outf() variant to write two registers such that the second register is + * is always written whenever either is to be changed. + */ +#define outq(_Register1, _Register2, _Value1, _Value2) \ + do \ + { \ + CARD32 _IOValue1 = (_Value1), \ + _IOValue2 = (_Value2); \ + \ + if (!RegisterIsCached(_Register1) || \ + (_IOValue1 != CacheSlot(_Register1))) \ + { \ + ATIMach64WaitForFIFO(pATI, 2); \ + pATI->nAvailableFIFOEntries -= 2; \ + MMIO_OUT32(pATI->pBlock[GetBits(_Register1, BLOCK_SELECT)], \ + (_Register1) & MM_IO_SELECT, _IOValue1); \ + MMIO_OUT32(pATI->pBlock[GetBits(_Register2, BLOCK_SELECT)], \ + (_Register2) & MM_IO_SELECT, _IOValue2); \ + CacheSlot(_Register1) = _IOValue1; \ + CacheSlot(_Register2) = _IOValue2; \ + pATI->EngineIsBusy = TRUE; \ + } \ + else if (!RegisterIsCached(_Register2) || \ + (_IOValue2 != CacheSlot(_Register2))) \ + { \ + while (!pATI->nAvailableFIFOEntries--) \ + ATIMach64PollEngineStatus(pATI); \ + MMIO_OUT32(pATI->pBlock[GetBits(_Register2, BLOCK_SELECT)], \ + (_Register2) & MM_IO_SELECT, _IOValue2); \ + CacheSlot(_Register2) = _IOValue2; \ + pATI->EngineIsBusy = TRUE; \ + } \ + } while (0) + +extern void ATIMach64AccessPLLReg FunctionPrototype((ATIPtr, const CARD8, const Bool)); -#define ATIGetMach64PLLReg(_Index) \ +#define ATIMach64GetPLLReg(_Index) \ ( \ - ATIAccessMach64PLLReg(pATI, _Index, FALSE), \ + ATIMach64AccessPLLReg(pATI, _Index, FALSE), \ in8(CLOCK_CNTL + 2) \ ) -#define ATIPutMach64PLLReg(_Index, _Value) \ +#define ATIMach64PutPLLReg(_Index, _Value) \ do \ { \ - ATIAccessMach64PLLReg(pATI, _Index, TRUE); \ + ATIMach64AccessPLLReg(pATI, _Index, TRUE); \ out8(CLOCK_CNTL + 2, _Value); \ } while (0) -#define ATIGetMach64LCDReg(_Index) \ +#define ATIMach64GetLCDReg(_Index) \ ( \ out8(LCD_INDEX, SetBits(_Index, LCD_REG_INDEX)), \ inr(LCD_DATA) \ ) -#define ATIPutMach64LCDReg(_Index, _Value) \ +#define ATIMach64PutLCDReg(_Index, _Value) \ do \ { \ out8(LCD_INDEX, SetBits(_Index, LCD_REG_INDEX)); \ outr(LCD_DATA, _Value); \ } while (0) -#define ATIGetMach64TVReg(_Index) \ +#define ATIMach64GetTVReg(_Index) \ ( \ out8(TV_OUT_INDEX, SetBits(_Index, TV_REG_INDEX)), \ inr(TV_OUT_DATA) \ ) -#define ATIPutMach64TVReg(_Index, _Value) \ +#define ATIMach64PutTVReg(_Index, _Value) \ do \ { \ out8(TV_OUT_INDEX, SetBits(_Index, TV_REG_INDEX)); \ |