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-rw-r--r--src/radeon_driver.c195
1 files changed, 165 insertions, 30 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index d190a52..1efa07a 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -2258,27 +2258,66 @@ static Bool RADEONPreInitConfig(ScrnInfoPtr pScrn)
#ifdef XF86DRI
/* AGP/PCI */
-
- /* There are signatures in BIOS and PCI-SSID for a PCI card, but
- * they are not very reliable. Following detection method works for
- * all cards tested so far. Note, checking AGP_ENABLE bit after
- * drmAgpEnable call can also give the correct result. However,
- * calling drmAgpEnable on a PCI card can cause some strange lockup
- * when the server restarts next time.
+ /* Proper autodetection of an AGP capable device requires examining
+ * PCI config registers to determine if the device implements extended
+ * PCI capabilities, and then walking the capability list as indicated
+ * in the PCI 2.2 and AGP 2.0 specifications, to determine if AGP
+ * capability is present. The procedure is outlined as follows:
+ *
+ * 1) Test bit 4 (CAP_LIST) of the PCI status register of the device
+ * to determine wether or not this device implements any extended
+ * capabilities. If this bit is zero, then the device is a PCI 2.1
+ * or earlier device and is not AGP capable, and we can conclude it
+ * to be a PCI device.
+ *
+ * 2) If bit 4 of the status register is set, then the device implements
+ * extended capabilities. There is an 8 bit wide capabilities pointer
+ * register located at offset 0x34 in PCI config space which points to
+ * the first capability in a linked list of extended capabilities that
+ * this device implements. The lower two bits of this register are
+ * reserved and MBZ so must be masked out.
+ *
+ * 3) The extended capabilities list is formed by one or more extended
+ * capabilities structures which are aligned on DWORD boundaries.
+ * The first byte of the structure is the capability ID (CAP_ID)
+ * indicating what extended capability this structure refers to. The
+ * second byte of the structure is an offset from the beginning of
+ * PCI config space pointing to the next capability in the linked
+ * list (NEXT_PTR) or NULL (0x00) at the end of the list. The lower
+ * two bits of this pointer are reserved and MBZ. By examining the
+ * CAP_ID of each capability and walking through the list, we will
+ * either find the AGP_CAP_ID (0x02) indicating this device is an
+ * AGP device, or we'll reach the end of the list, indicating it is
+ * a PCI device.
+ *
+ * Mike A. Harris <mharris@redhat.com>
+ *
+ * References:
+ * - PCI Local Bus Specification Revision 2.2, Chapter 6
+ * - AGP Interface Specification Revision 2.0, Section 6.1.5
*/
- agpCommand = pciReadLong(info->PciTag, RADEON_AGP_COMMAND_PCI_CONFIG);
- pciWriteLong(info->PciTag, RADEON_AGP_COMMAND_PCI_CONFIG,
- agpCommand | RADEON_AGP_ENABLE);
- if (pciReadLong(info->PciTag, RADEON_AGP_COMMAND_PCI_CONFIG)
- & RADEON_AGP_ENABLE) {
- info->IsPCI = FALSE;
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "AGP card detected\n");
- } else {
- info->IsPCI = TRUE;
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "PCI card detected\n");
+ info->IsPCI = TRUE;
+
+ if (pciReadLong(info->PciTag, PCI_CMD_STAT_REG) & RADEON_CAP_LIST) {
+ CARD32 cap_ptr, cap_id;
+
+ cap_ptr = pciReadLong(info->PciTag,
+ RADEON_CAPABILITIES_PTR_PCI_CONFIG)
+ & RADEON_CAP_PTR_MASK;
+
+ while(cap_ptr != RADEON_CAP_ID_NULL) {
+ cap_id = pciReadLong(info->PciTag, cap_ptr);
+ if ((cap_id & 0xff)== RADEON_CAP_ID_AGP) {
+ info->IsPCI = FALSE;
+ break;
+ }
+ cap_ptr = (cap_id >> 8) & RADEON_CAP_PTR_MASK;
+ }
}
- pciWriteLong(info->PciTag, RADEON_AGP_COMMAND_PCI_CONFIG, agpCommand);
+
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%s card detected\n",
+ (info->IsPCI) ? "PCI" : "AGP");
if ((s = xf86GetOptValString(info->Options, OPTION_BUS_TYPE))) {
if (strcmp(s, "AGP") == 0) {
@@ -7031,12 +7070,79 @@ void RADEONFreeScreen(int scrnIndex, int flags)
RADEONFreeRec(pScrn);
}
+/*
+ * Powering done DAC, needed for DPMS problem with ViewSonic P817 (or its variant).
+ *
+ * Note for current DAC mapping when calling this function:
+ * For most of cards:
+ * single CRT: Driver doesn't change the existing CRTC->DAC mapping,
+ * CRTC1 could be driving either DAC or both DACs.
+ * CRT+CRT: CRTC1->TV DAC, CRTC2->Primary DAC
+ * DFP/LCD+CRT: CRTC2->TV DAC, CRTC2->Primary DAC.
+ * Some boards have two DACs reversed or don't even have a primary DAC,
+ * this is reflected in pRADEONEnt->ReversedDAC. And radeon 7200 doesn't
+ * have a second DAC.
+ * It's kind of messy, we'll need to redo DAC mapping part some day.
+ */
+static void RADEONDacPowerSet(ScrnInfoPtr pScrn, Bool IsOn, Bool IsPrimaryDAC)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ unsigned char *RADEONMMIO = info->MMIO;
+
+ if (IsPrimaryDAC) {
+ CARD32 dac_cntl;
+ CARD32 dac_macro_cntl = 0;
+ dac_cntl = INREG(RADEON_DAC_CNTL);
+ if ((!info->IsMobility) || (info->ChipFamily == CHIP_FAMILY_RV350))
+ dac_macro_cntl = INREG(RADEON_DAC_MACRO_CNTL);
+ if (IsOn) {
+ dac_cntl &= ~RADEON_DAC_PDWN;
+ dac_macro_cntl &= ~(RADEON_DAC_PDWN_R |
+ RADEON_DAC_PDWN_G |
+ RADEON_DAC_PDWN_B);
+ } else {
+ dac_cntl |= RADEON_DAC_PDWN;
+ dac_macro_cntl |= (RADEON_DAC_PDWN_R |
+ RADEON_DAC_PDWN_G |
+ RADEON_DAC_PDWN_B);
+ }
+ OUTREG(RADEON_DAC_CNTL, dac_cntl);
+ if ((!info->IsMobility) || (info->ChipFamily == CHIP_FAMILY_RV350))
+ OUTREG(RADEON_DAC_MACRO_CNTL, dac_macro_cntl);
+ } else {
+ if (info->ChipFamily != CHIP_FAMILY_R200) {
+ CARD32 tv_dac_cntl = INREG(RADEON_TV_DAC_CNTL);
+ if (IsOn) {
+ tv_dac_cntl &= ~(RADEON_TV_DAC_RDACPD |
+ RADEON_TV_DAC_GDACPD |
+ RADEON_TV_DAC_BDACPD |
+ RADEON_TV_DAC_BGSLEEP);
+ } else {
+ tv_dac_cntl |= (RADEON_TV_DAC_RDACPD |
+ RADEON_TV_DAC_GDACPD |
+ RADEON_TV_DAC_BDACPD |
+ RADEON_TV_DAC_BGSLEEP);
+ }
+ OUTREG(RADEON_TV_DAC_CNTL, tv_dac_cntl);
+ } else {
+ CARD32 fp2_gen_cntl = INREG(RADEON_FP2_GEN_CNTL);
+ if (IsOn) {
+ fp2_gen_cntl |= RADEON_FP2_DV0_EN;
+ } else {
+ fp2_gen_cntl &= ~RADEON_FP2_DV0_EN;
+ }
+ OUTREG(RADEON_FP2_GEN_CNTL, fp2_gen_cntl);
+ }
+ }
+}
+
/* Sets VESA Display Power Management Signaling (DPMS) Mode */
static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
int PowerManagementMode,
int flags)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
+ RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
#ifdef XF86DRI
@@ -7055,8 +7161,6 @@ static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
RADEON_CRTC2_VSYNC_DIS |
RADEON_CRTC2_HSYNC_DIS);
- /* TODO: additional handling for LCD ? */
-
switch (PowerManagementMode) {
case DPMSModeOn:
/* Screen: On; HSync: On, VSync: On */
@@ -7123,13 +7227,19 @@ static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
if (info->ChipFamily >= CHIP_FAMILY_R200) {
OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_DV0_EN, ~RADEON_FP2_DV0_EN);
}
+ } else if (info->DisplayType == MT_CRT) {
+ RADEONDacPowerSet(pScrn, TRUE, !pRADEONEnt->ReversedDAC);
}
} else {
- if ((info->Clone) && (info->CloneType == MT_DFP)) {
- OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_BLANK_EN);
- OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_ON, ~RADEON_FP2_ON);
- if (info->ChipFamily >= CHIP_FAMILY_R200) {
- OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_DV0_EN, ~RADEON_FP2_DV0_EN);
+ if (info->Clone) {
+ if (info->CloneType == MT_DFP) {
+ OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_BLANK_EN);
+ OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_ON, ~RADEON_FP2_ON);
+ if (info->ChipFamily >= CHIP_FAMILY_R200) {
+ OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_DV0_EN, ~RADEON_FP2_DV0_EN);
+ }
+ } else if (info->CloneType == MT_CRT) {
+ RADEONDacPowerSet(pScrn, TRUE, !pRADEONEnt->ReversedDAC);
}
}
if (info->DisplayType == MT_DFP) {
@@ -7140,6 +7250,14 @@ static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
OUTREGP (RADEON_LVDS_GEN_CNTL, RADEON_LVDS_BLON, ~RADEON_LVDS_BLON);
usleep (info->PanelPwrDly * 1000);
OUTREGP (RADEON_LVDS_GEN_CNTL, RADEON_LVDS_ON, ~RADEON_LVDS_ON);
+ } else if (info->DisplayType == MT_CRT) {
+ if ((pRADEONEnt->HasSecondary) || info->Clone) {
+ RADEONDacPowerSet(pScrn, TRUE, pRADEONEnt->ReversedDAC);
+ } else {
+ RADEONDacPowerSet(pScrn, TRUE, TRUE);
+ if (info->HasCRTC2)
+ RADEONDacPowerSet(pScrn, TRUE, FALSE);
+ }
}
}
} else if ((PowerManagementMode == DPMSModeOff) ||
@@ -7152,13 +7270,19 @@ static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
if (info->ChipFamily >= CHIP_FAMILY_R200) {
OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_DV0_EN);
}
+ } else if (info->DisplayType == MT_CRT) {
+ RADEONDacPowerSet(pScrn, FALSE, !pRADEONEnt->ReversedDAC);
}
} else {
- if ((info->Clone) && (info->CloneType == MT_DFP)) {
- OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_BLANK_EN, ~RADEON_FP2_BLANK_EN);
- OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_ON);
- if (info->ChipFamily >= CHIP_FAMILY_R200) {
- OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_DV0_EN);
+ if (info->Clone) {
+ if(info->CloneType == MT_DFP) {
+ OUTREGP (RADEON_FP2_GEN_CNTL, RADEON_FP2_BLANK_EN, ~RADEON_FP2_BLANK_EN);
+ OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_ON);
+ if (info->ChipFamily >= CHIP_FAMILY_R200) {
+ OUTREGP (RADEON_FP2_GEN_CNTL, 0, ~RADEON_FP2_DV0_EN);
+ }
+ } else if (info->CloneType == MT_CRT) {
+ RADEONDacPowerSet(pScrn, FALSE, !pRADEONEnt->ReversedDAC);
}
}
if (info->DisplayType == MT_DFP) {
@@ -7179,6 +7303,17 @@ static void RADEONDisplayPowerManagementSet(ScrnInfoPtr pScrn,
if (info->IsMobility || info->IsIGP) {
OUTPLL(RADEON_PIXCLKS_CNTL, tmpPixclksCntl);
}
+ } else if (info->DisplayType == MT_CRT) {
+ if ((pRADEONEnt->HasSecondary) || info->Clone) {
+ RADEONDacPowerSet(pScrn, FALSE, pRADEONEnt->ReversedDAC);
+ } else {
+ /* single CRT, turning both DACs off, we don't really know
+ * which DAC is actually connected.
+ */
+ RADEONDacPowerSet(pScrn, FALSE, TRUE);
+ if (info->HasCRTC2) /* don't apply this to old radeon (singel CRTC) card */
+ RADEONDacPowerSet(pScrn, FALSE, FALSE);
+ }
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 20:37:53 +0000