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authorEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
committerEric Anholt <anholt@freebsd.org>2004-07-22 06:58:15 +0000
commitd78bd665b20eb68e74b9b4c2d04fa177cc4447c6 (patch)
tree4ab0eac8a0344d2cdcbe0e41d257238f0e1def94 /src/atimach64i2c.c
parentbea8085e04136b0ef513c17bb65c54069ec531e1 (diff)
DRI trunk-20040721 importDRI-trunk-20040721import-1.1.3
Diffstat (limited to 'src/atimach64i2c.c')
-rw-r--r--src/atimach64i2c.c466
1 files changed, 0 insertions, 466 deletions
diff --git a/src/atimach64i2c.c b/src/atimach64i2c.c
deleted file mode 100644
index 4cb565f..0000000
--- a/src/atimach64i2c.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atimach64i2c.c,v 1.1 2003/07/24 22:08:28 tsi Exp $ */
-/*
- * Copyright 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 "atii2c.h"
-#include "atimach64i2c.h"
-#include "atimach64io.h"
-#include "atituner.h"
-
-/* MPP_CONFIG register values */
-#define MPP_INIT pATI->NewHW.mpp_config
-
-#define MPP_WRITE (MPP_INIT )
-#define MPP_WRITEINC (MPP_INIT | (MPP_AUTO_INC_EN ))
-#define MPP_READ (MPP_INIT | ( MPP_BUFFER_MODE_PREFETCH))
-#define MPP_READINC (MPP_INIT | (MPP_AUTO_INC_EN | MPP_BUFFER_MODE_PREFETCH))
-
-/*
- * ATIMach64MPPWaitForIdle --
- *
- * Support function to wait for the Multimedia Peripheral Port to become idle.
- * Currently, this function's return value indicates whether or not the port
- * became idle within 512 polling iterations. For now, this value is ignored
- * by the rest of the code, but might be used in the future.
- */
-static Bool
-ATIMach64MPPWaitForIdle
-(
- ATIPtr pATI
-)
-{
- CARD32 Count = 0x0200;
-
- while (in8(MPP_CONFIG + 3) & GetByte(MPP_BUSY, 3))
- {
- if (!--Count)
- return FALSE;
- usleep(1); /* XXX Excessive? */
- }
-
- return TRUE;
-}
-
-/*
- * ATIMach64MPPSetAddress --
- *
- * Sets a 16-bit ImpacTV address on the Multimedia Peripheral Port.
- */
-static void
-ATIMach64MPPSetAddress
-(
- ATIPtr pATI,
- CARD16 Address
-)
-{
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_CONFIG, MPP_WRITEINC);
- outr(MPP_ADDR, 0x00000008U);
- out8(MPP_DATA, (CARD8)Address);
- ATIMach64MPPWaitForIdle(pATI);
- out8(MPP_DATA, (CARD8)(Address >> 8));
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_CONFIG, MPP_WRITE);
- outr(MPP_ADDR, 0x00000018U);
- ATIMach64MPPWaitForIdle(pATI);
-}
-
-/*
- * ATIMach64ImpacTVProbe --
- *
- * This probes for an ImpacTV chip and returns its chip ID, or 0.
- */
-static int
-ATIMach64ImpacTVProbe
-(
- int iScreen,
- ATIPtr pATI
-)
-{
- CARD8 ChipID = 0;
-
- /* Assume ATIModePreInit() has already been called */
- outr(MPP_STROBE_SEQ, pATI->NewHW.mpp_strobe_seq);
- outr(TVO_CNTL, pATI->NewHW.tvo_cntl);
-
- outr(MPP_CONFIG, MPP_READ);
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_ADDR, 0x0000000AU);
- if (!(ChipID = in8(MPP_DATA)))
- {
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_ADDR, 0x00000023U);
- if ((ChipID = in8(MPP_DATA)) != 0x54U)
- {
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_ADDR, 0x0000000BU);
- ChipID = in8(MPP_DATA);
- }
- }
- ATIMach64MPPWaitForIdle(pATI);
- outr(MPP_CONFIG, MPP_WRITE);
-
- if (ChipID)
- xf86DrvMsg(iScreen, X_PROBED, "ImpacTV chip ID 0x%02X detected.\n",
- ChipID);
-
- return (int)(CARD16)ChipID;
-}
-
-/*
- * ATIMach64ImpacTVSetBits --
- *
- * Controls I2C SDA and SCL lines through ImpacTV.
- */
-static void
-ATIMach64ImpacTVSetBits
-(
- ATII2CPtr pATII2C,
- ATIPtr pATI,
- CARD32 Bits
-)
-{
- pATII2C->I2CCur = Bits;
-
- ATIMach64MPPSetAddress(pATI, IT_I2C_CNTL);
-
- outr(MPP_CONFIG, MPP_WRITE);
-
- out8(MPP_DATA, (CARD8)Bits);
-
- ATIMach64MPPWaitForIdle(pATI);
-}
-
-/*
- * ATIMach64ImpacTVGetBits --
- *
- * Returns the status of an ImpacTV's I2C control lines.
- */
-static CARD32
-ATIMach64ImpacTVGetBits
-(
- ATIPtr pATI
-)
-{
- ATIMach64MPPSetAddress(pATI, IT_I2C_CNTL);
-
- outr(MPP_CONFIG, MPP_READ);
-
- ATIMach64MPPWaitForIdle(pATI);
-
- return in8(MPP_DATA);
-}
-
-/*
- * ATIMach64I2C_CNTLSetBits --
- *
- * Controls SDA and SCL lines through a 3D Rage Pro's hardware assisted I2C.
- */
-static void
-ATIMach64I2C_CNTLSetBits
-(
- ATII2CPtr pATII2C,
- ATIPtr pATI,
- CARD32 Bits
-)
-{
- pATII2C->I2CCur = Bits;
-
- out8(I2C_CNTL_0 + 1, (CARD8)Bits);
-}
-
-/*
- * ATIMach64I2C_CNTLGetBits --
- *
- * Returns the status of a 3D Rage Pro's hardware assisted I2C control lines.
- */
-static CARD32
-ATIMach64I2C_CNTLGetBits
-(
- ATIPtr pATI
-)
-{
- return in8(I2C_CNTL_0 + 1);
-}
-
-/*
- * ATIMach64GP_IOSetBits --
- *
- * Controls SDA and SCL control lines through a Mach64's GP_IO register.
- */
-static void
-ATIMach64GP_IOSetBits
-(
- ATII2CPtr pATII2C,
- ATIPtr pATI,
- CARD32 Bits
-)
-{
- pATII2C->I2CCur = Bits;
-
- outr(GP_IO, Bits);
-}
-
-/*
- * ATIMach64GP_IOGetBits --
- *
- * Returns the status of I2C control lines through a Mach64's GP_IO register.
- */
-static CARD32
-ATIMach64GP_IOGetBits
-(
- ATIPtr pATI
-)
-{
- return inr(GP_IO);
-}
-
-#define GPIO1_MASK \
- (DAC_GIO_STATE_1 | DAC_GIO_DIR_1)
-#define GPIO2_MASK \
- (GEN_GIO2_DATA_OUT | GEN_GIO2_DATA_IN | GEN_GIO2_WRITE)
-
-/*
- * ATIMach64DAC_GENSetBits --
- *
- * Controls SDA and SCL control lines through a Mach64's GEN_TEST_CNTL and
- * DAC_CNTL registers.
- */
-static void
-ATIMach64DAC_GENSetBits
-(
- ATII2CPtr pATII2C,
- ATIPtr pATI,
- CARD32 Bits
-)
-{
- CARD32 tmp;
-
- pATII2C->I2CCur = Bits;
-
- tmp = inr(DAC_CNTL) & ~GPIO1_MASK;
- outr(DAC_CNTL, tmp | (Bits & GPIO1_MASK));
- tmp = inr(GEN_TEST_CNTL) & ~GPIO2_MASK;
- outr(GEN_TEST_CNTL, tmp | (Bits & GPIO2_MASK));
-}
-
-/*
- * ATIMach64DAC_GENGetBits --
- *
- * Returns the status of I2C control lines through a Mach64's GEN_TEST_CNTL and
- * DAC_CNTL registers.
- */
-static CARD32
-ATIMach64DAC_GENGetBits
-(
- ATIPtr pATI
-)
-{
- return (inr(DAC_CNTL) & GPIO1_MASK) | (inr(GEN_TEST_CNTL) & GPIO2_MASK);
-}
-
-/*
- * ATITVAddOnProbe --
- *
- * Probe for an ATI-TV add-on card at specific addresses on an I2C bus.
- */
-static Bool
-ATITVAddOnProbe
-(
- ScrnInfoPtr pScreenInfo,
- ATIPtr pATI,
- I2CBusPtr pI2CBus
-)
-{
- I2CDevPtr pI2CDev = xnfcalloc(1, SizeOf(I2CDevRec));
- int Index;
- I2CByte tmp;
-
- static const CARD8 ATITVAddOnAddresses[] = {0x70, 0x40, 0x78, 0x72, 0x42};
-
- pI2CDev->DevName = "ATI-TV Add-on";
- pI2CDev->pI2CBus = pI2CBus;
- pI2CDev->StartTimeout = pI2CBus->StartTimeout;
- pI2CDev->BitTimeout = pI2CBus->BitTimeout;
- pI2CDev->AcknTimeout = pI2CBus->AcknTimeout;
- pI2CDev->ByteTimeout = pI2CBus->ByteTimeout;
-
- for (Index = 0; Index < NumberOf(ATITVAddOnAddresses); Index++)
- {
- pI2CDev->SlaveAddr = ATITVAddOnAddresses[Index];
-
- if (xf86I2CFindDev(pI2CBus, pI2CDev->SlaveAddr))
- continue;
-
- tmp = 0xFFU;
-
- if (!(*pI2CBus->I2CWriteRead)(pI2CDev, &tmp, 1, NULL, 0) ||
- !(*pI2CBus->I2CWriteRead)(pI2CDev, NULL, 0, &tmp, 1) ||
- (tmp == 0xFFU) || ((tmp = tmp & 0x1FU) == /*ATI_TUNER_NONE*/0))
- continue;
-
- if (!xf86I2CDevInit(pI2CDev))
- {
- xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
- "Failed to register I2C device for ATI-TV add-on.\n");
- break;
- }
-
- if (pATI->Tuner != tmp)
- {
- if (pATI->Tuner != ATI_TUNER_NONE)
- xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
- "Tuner type mismatch: BIOS 0x%x, ATI-TV 0x%x.\n",
- pATI->Tuner, tmp);
-
- pATI->Tuner = tmp;
- }
-
- xf86DrvMsg(pScreenInfo->scrnIndex, X_PROBED,
- "%s tuner detected on ATI-TV add-on adapter at I2C bus address"
- " 0x%2x.\n", ATITuners[pATI->Tuner].name, pI2CDev->SlaveAddr);
-
- return TRUE;
- }
-
- xfree(pI2CDev);
- return FALSE;
-}
-
-/*
- * ATIMach64I2CPreInit --
- *
- * This function potentially allocates an I2CBusRec and initialises it with
- * ATI-specific and Mach64-specific information.
- */
-void
-ATIMach64I2CPreInit
-(
- ScrnInfoPtr pScreenInfo,
- ATIPtr pATI
-)
-{
- I2CBusPtr pI2CBus;
- ATII2CPtr pATII2C;
-
- if ((pATI->Chip < ATI_CHIP_264CT) || (pATI->Chip >= ATI_CHIP_Mach64))
- return;
-
- /* Create an I2CBusRec and generically prime it */
- if (!(pI2CBus = ATICreateI2CBusRec(pScreenInfo->scrnIndex, pATI, "Mach64")))
- return;
-
- pATII2C = pI2CBus->DriverPrivate.ptr;
-
- switch (pATI->Chip)
- {
- case ATI_CHIP_264GTPRO:
- case ATI_CHIP_264LTPRO:
- case ATI_CHIP_264XL:
- case ATI_CHIP_MOBILITY:
- /*
- * These have I2C-specific registers. Assume older I2C access
- * mechanisms are inoperative.
- */
- pATII2C->I2CSetBits = ATIMach64I2C_CNTLSetBits;
- pATII2C->I2CGetBits = ATIMach64I2C_CNTLGetBits;
- pATII2C->SCLDir = pATII2C->SDADir = 0;
- pATII2C->SCLGet = pATII2C->SCLSet = GetByte(I2C_CNTL_SCL, 1);
- pATII2C->SDAGet = pATII2C->SDASet = GetByte(I2C_CNTL_SDA, 1);
-
- out8(I2C_CNTL_1 + 2, GetByte(I2C_SEL, 2));
- out8(I2C_CNTL_0 + 0,
- GetByte(I2C_CNTL_STAT | I2C_CNTL_HPTR_RST, 0));
- break;
-
- case ATI_CHIP_264VTB:
- case ATI_CHIP_264GTB:
- case ATI_CHIP_264VT3:
- case ATI_CHIP_264GTDVD:
- case ATI_CHIP_264LT:
- case ATI_CHIP_264VT4:
- case ATI_CHIP_264GT2C:
- /* If an ImpacTV chip is found, use it to provide I2C access */
- if (ATIMach64ImpacTVProbe(pScreenInfo->scrnIndex, pATI))
- {
- pATII2C->I2CSetBits = ATIMach64ImpacTVSetBits;
- pATII2C->I2CGetBits = ATIMach64ImpacTVGetBits;
- pATII2C->SCLDir = IT_SCL_DIR;
- pATII2C->SCLGet = IT_SCL_GET;
- pATII2C->SCLSet = IT_SCL_SET;
- pATII2C->SDADir = IT_SDA_DIR;
- pATII2C->SDAGet = IT_SDA_GET;
- pATII2C->SDASet = IT_SDA_SET;
-
- ATIMach64MPPSetAddress(pATI, IT_I2C_CNTL);
- outr(MPP_CONFIG, MPP_WRITEINC);
- out8(MPP_DATA, 0x00U);
- out8(MPP_DATA, 0x55U);
- out8(MPP_DATA, 0x00U);
- out8(MPP_DATA, 0x00U);
- ATIMach64MPPWaitForIdle(pATI);
- break;
- }
- /* Otherwise, fall through to the older case */
-
- case ATI_CHIP_264VT:
- case ATI_CHIP_264GT:
- /* First try GIO pins 11 (clock) and 4 (data) */
- pATII2C->I2CSetBits = ATIMach64GP_IOSetBits;
- pATII2C->I2CGetBits = ATIMach64GP_IOGetBits;
- pATII2C->SCLDir = GP_IO_DIR_B;
- pATII2C->SCLGet = pATII2C->SCLSet = GP_IO_B;
- pATII2C->SDADir = GP_IO_DIR_4;
- pATII2C->SDAGet = pATII2C->SDASet = GP_IO_4;
-
- if (ATITVAddOnProbe(pScreenInfo, pATI, pI2CBus))
- break;
-
- /* Next, try pins 10 (clock) and 12 (data) */
- pATII2C->SCLDir = GP_IO_DIR_A;
- pATII2C->SCLGet = pATII2C->SCLSet = GP_IO_A;
- pATII2C->SDADir = GP_IO_DIR_C;
- pATII2C->SDAGet = pATII2C->SDASet = GP_IO_C;
-
- if (ATITVAddOnProbe(pScreenInfo, pATI, pI2CBus))
- break;
- /* Otherwise, fall back to ATI's first I2C implementation */
-
- default:
- /*
- * First generation integrated controllers access GIO pin 1 (clock)
- * though DAC_CNTL, and pin 2 (data) through GEN_TEST_CNTL.
- */
- pATII2C->I2CSetBits = ATIMach64DAC_GENSetBits;
- pATII2C->I2CGetBits = ATIMach64DAC_GENGetBits;
- pATII2C->SCLDir = DAC_GIO_DIR_1;
- pATII2C->SCLGet = pATII2C->SCLSet = DAC_GIO_STATE_1;
- pATII2C->SDADir = GEN_GIO2_WRITE;
- pATII2C->SDAGet = GEN_GIO2_DATA_IN;
- pATII2C->SDASet = GEN_GIO2_DATA_OUT;
-
- (void)ATITVAddOnProbe(pScreenInfo, pATI, pI2CBus);
- break;
- }
-}