Add Intel(R) 945G support

6 files changed, 50 insertions, 36 deletions

diff --git a/src/common.h b/src/common.h
index 0d901f95..85a24ab3 100644
--- a/src/common.h
+++ b/src/common.h
@@ -317,6 +317,11 @@ extern int I810_DEBUG;
 #define PCI_CHIP_E7221_G_BRIDGE	   0x2580
 #endif
 
+#ifndef PCI_CHIP_I945_G
+#define PCI_CHIP_I945_G        0x2772
+#define PCI_CHIP_I945_G_BRIDGE 0x2770
+#endif
+
 #define IS_I810(pI810) (pI810->PciInfo->chipType == PCI_CHIP_I810 ||	\
 			pI810->PciInfo->chipType == PCI_CHIP_I810_DC100 || \
 			pI810->PciInfo->chipType == PCI_CHIP_I810_E)
@@ -329,6 +334,7 @@ extern int I810_DEBUG;
 #define IS_I865G(pI810) (pI810->PciInfo->chipType == PCI_CHIP_I865_G)
 #define IS_I915G(pI810) (pI810->PciInfo->chipType == PCI_CHIP_I915_G || pI810->PciInfo->chipType == PCI_CHIP_E7221_G)
 #define IS_I915GM(pI810) (pI810->PciInfo->chipType == PCI_CHIP_I915_GM)
+#define IS_I945G(pI810) (pI810->PciInfo->chipType == PCI_CHIP_I945_G)
 
 #define IS_MOBILE(pI810) (IS_I830(pI810) || IS_I85X(pI810) || IS_I915GM(pI810))
 
diff --git a/src/i810_driver.c b/src/i810_driver.c
index 98c26581..28f607d3 100644
--- a/src/i810_driver.c
+++ b/src/i810_driver.c
@@ -131,6 +131,7 @@ static SymTabRec I810Chipsets[] = {
    {PCI_CHIP_I915_G,		"915G"},
    {PCI_CHIP_E7221_G,		"E7221 (i915)"},
    {PCI_CHIP_I915_GM,		"915GM"},
+   {PCI_CHIP_I945_G,		"945G"},
    {-1,				NULL}
 };
 
@@ -148,6 +149,7 @@ static PciChipsets I810PciChipsets[] = {
    {PCI_CHIP_I915_G,		PCI_CHIP_I915_G,	RES_SHARED_VGA},
    {PCI_CHIP_E7221_G,		PCI_CHIP_E7221_G,	RES_SHARED_VGA},
    {PCI_CHIP_I915_GM,		PCI_CHIP_I915_GM,	RES_SHARED_VGA},
+   {PCI_CHIP_I945_G,		PCI_CHIP_I945_G,	RES_SHARED_VGA},
    {-1,				-1, RES_UNDEFINED }
 };
 
@@ -566,6 +568,7 @@ I810Probe(DriverPtr drv, int flags)
 	    case PCI_CHIP_I915_G:
 	    case PCI_CHIP_E7221_G:
 	    case PCI_CHIP_I915_GM:
+	    case PCI_CHIP_I945_G:
     	       xf86SetEntitySharable(usedChips[i]);
 
     	       /* Allocate an entity private if necessary */		
diff --git a/src/i830_cursor.c b/src/i830_cursor.c
index 367aaf45..0603f40a 100644
--- a/src/i830_cursor.c
+++ b/src/i830_cursor.c
@@ -82,7 +82,7 @@ I830InitHWCursor(ScrnInfoPtr pScrn)
 
    DPRINTF(PFX, "I830InitHWCursor\n");
    /* Initialise the HW cursor registers, leaving the cursor hidden. */
-   if (IS_MOBILE(pI830) || IS_I915G(pI830)) {
+   if (IS_MOBILE(pI830) || IS_I915G(pI830) || IS_I945G(pI830)) {
       temp = INREG(CURSOR_A_CONTROL);
       temp &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE | MCURSOR_MEM_TYPE_LOCAL |
 		MCURSOR_PIPE_SELECT);
@@ -304,7 +304,7 @@ I830SetCursorPosition(ScrnInfoPtr pScrn, int x, int y)
    }
 
    /* have to upload the base for the new position */
-   if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
       if (pI830->CursorIsARGB)
          OUTREG(CURSOR_A_BASE, pI830->CursorMemARGB->Physical);
       else
@@ -335,7 +335,7 @@ I830ShowCursor(ScrnInfoPtr pScrn)
 	   pI830->CursorMemARGB->Physical, pI830->CursorMemARGB->Start);
 
    pI830->cursorOn = TRUE;
-   if (IS_MOBILE(pI830) || IS_I915G(pI830)) {
+   if (IS_MOBILE(pI830) || IS_I915G(pI830) || IS_I945G(pI830)) {
       temp = INREG(CURSOR_A_CONTROL);
       temp &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT);
       if (pI830->CursorIsARGB)
@@ -383,7 +383,7 @@ I830HideCursor(ScrnInfoPtr pScrn)
    DPRINTF(PFX, "I830HideCursor\n");
 
    pI830->cursorOn = FALSE;
-   if (IS_MOBILE(pI830) || IS_I915G(pI830)) {
+   if (IS_MOBILE(pI830) || IS_I915G(pI830) || IS_I945G(pI830)) {
       temp = INREG(CURSOR_A_CONTROL);
       temp &= ~CURSOR_MODE;
       temp |= CURSOR_MODE_DISABLE;
diff --git a/src/i830_driver.c b/src/i830_driver.c
index 66a919fc..654dc196 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -143,6 +143,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  *        - Add lid status checking
  *        - Fix Xvideo with high-res LFP's
  *        - Add ARGB HW cursor support
+ *
+ *    30/2005 Alan Hourihane
+ *        - Add Intel(R) 945G support.
  */
 
 #ifndef PRINT_MODE_INFO
@@ -188,6 +191,7 @@ static SymTabRec I830BIOSChipsets[] = {
    {PCI_CHIP_I915_G,		"915G"},
    {PCI_CHIP_E7221_G,		"E7221 (i915)"},
    {PCI_CHIP_I915_GM,		"915GM"},
+   {PCI_CHIP_I945_G,		"945G"},
    {-1,				NULL}
 };
 
@@ -199,6 +203,7 @@ static PciChipsets I830BIOSPciChipsets[] = {
    {PCI_CHIP_I915_G,		PCI_CHIP_I915_G,	RES_SHARED_VGA},
    {PCI_CHIP_E7221_G,		PCI_CHIP_E7221_G,	RES_SHARED_VGA},
    {PCI_CHIP_I915_GM,		PCI_CHIP_I915_GM,	RES_SHARED_VGA},
+   {PCI_CHIP_I945_G,		PCI_CHIP_I945_G,	RES_SHARED_VGA},
    {-1,				-1,			RES_UNDEFINED}
 };
 
@@ -1314,7 +1319,7 @@ I830DetectMemory(ScrnInfoPtr pScrn)
     * The GTT varying according the the FbMapSize and the popup is 4KB */
    range = (pI830->FbMapSize / (1024*1024)) + 4;
 
-   if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I915G(pI830) || IS_I915GM(pI830)) {
+   if (IS_I85X(pI830) || IS_I865G(pI830) || IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
       switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
       case I855_GMCH_GMS_STOLEN_1M:
 	 memsize = MB(1) - KB(range);
@@ -1332,11 +1337,11 @@ I830DetectMemory(ScrnInfoPtr pScrn)
 	 memsize = MB(32) - KB(range);
 	 break;
       case I915G_GMCH_GMS_STOLEN_48M:
-	 if (IS_I915G(pI830) || IS_I915GM(pI830))
+	 if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))
 	    memsize = MB(48) - KB(range);
 	 break;
       case I915G_GMCH_GMS_STOLEN_64M:
-	 if (IS_I915G(pI830) || IS_I915GM(pI830))
+	 if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))
 	    memsize = MB(64) - KB(range);
 	 break;
       }
@@ -2077,6 +2082,9 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
    case PCI_CHIP_I915_GM:
       chipname = "915GM";
       break;
+   case PCI_CHIP_I945_G:
+      chipname = "945G";
+      break;
    default:
       chipname = "unknown chipset";
       break;
@@ -2114,7 +2122,7 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
       pI830->LinearAddr = pI830->pEnt->device->MemBase;
       from = X_CONFIG;
    } else {
-      if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+      if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
 	 pI830->LinearAddr = pI830->PciInfo->memBase[2] & 0xF0000000;
 	 from = X_PROBED;
       } else if (pI830->PciInfo->memBase[1] != 0) {
@@ -2136,7 +2144,7 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
       pI830->MMIOAddr = pI830->pEnt->device->IOBase;
       from = X_CONFIG;
    } else {
-      if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+      if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
 	 pI830->MMIOAddr = pI830->PciInfo->memBase[0] & 0xFFF80000;
 	 from = X_PROBED;
       } else if (pI830->PciInfo->memBase[1]) {
@@ -2181,7 +2189,7 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
 	 pI830->FbMapSize = 0x4000000; /* 64MB - has this been tested ?? */
       }
    } else {
-      if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+      if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
 	 if (pI830->PciInfo->memBase[2] & 0x08000000)
 	    pI830->FbMapSize = 0x8000000;	/* 128MB aperture */
 	 else
@@ -2853,16 +2861,13 @@ I830BIOSPreInit(ScrnInfoPtr pScrn, int flags)
    }
 
    /* Check if the HW cursor needs physical address. */
-   if (IS_MOBILE(pI830) || IS_I915G(pI830))
+   if (IS_MOBILE(pI830) || IS_I915G(pI830) || IS_I945G(pI830))
       pI830->CursorNeedsPhysical = TRUE;
    else
       pI830->CursorNeedsPhysical = FALSE;
 
-   /* Force ring buffer to be in low memory for the 845G and later. */
-#if 0
-   if (IS_845G(pI830) || IS_I85X(pI830) || IS_I865G(pI830) || IS_I915G(pI830) || IS_I915GM(pI830))
-#endif
-      pI830->NeedRingBufferLow = TRUE;
+   /* Force ring buffer to be in low memory for all chipsets */
+   pI830->NeedRingBufferLow = TRUE;
 
    /*
     * XXX If we knew the pre-initialised GTT format for certain, we could
diff --git a/src/i830_memory.c b/src/i830_memory.c
index 301c55b6..e8f04258 100644
--- a/src/i830_memory.c
+++ b/src/i830_memory.c
@@ -1235,7 +1235,7 @@ SetFence(ScrnInfoPtr pScrn, int nr, unsigned int start, unsigned int pitch,
 
    i830Reg->Fence[nr] = 0;
 
-   if (IS_I915G(pI830) || IS_I915GM(pI830))
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))
    	fence_mask = ~I915G_FENCE_START_MASK;
    else
    	fence_mask = ~I830_FENCE_START_MASK;
@@ -1243,7 +1243,7 @@ SetFence(ScrnInfoPtr pScrn, int nr, unsigned int start, unsigned int pitch,
    if (start & fence_mask) {
       xf86DrvMsg(X_WARNING, pScrn->scrnIndex,
 		 "SetFence: %d: start (0x%08x) is not %s aligned\n",
-		 nr, start, (IS_I915G(pI830) || IS_I915GM(pI830)) ? "1MB" : "512k");
+		 nr, start, (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) ? "1MB" : "512k");
       return;
    }
 
@@ -1263,7 +1263,7 @@ SetFence(ScrnInfoPtr pScrn, int nr, unsigned int start, unsigned int pitch,
 
    val = (start | FENCE_X_MAJOR | FENCE_VALID);
 
-   if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
    	switch (size) {
 	   case MB(1):
       		val |= I915G_FENCE_SIZE_1M;
@@ -1324,7 +1324,7 @@ SetFence(ScrnInfoPtr pScrn, int nr, unsigned int start, unsigned int pitch,
    	}
    }
 
-   if (IS_I915G(pI830) || IS_I915GM(pI830))
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))
 	fence_pitch = pitch / 512;
    else
 	fence_pitch = pitch / 128;
diff --git a/src/i830_video.c b/src/i830_video.c
index a53e27dc..7123b4f2 100644
--- a/src/i830_video.c
+++ b/src/i830_video.c
@@ -613,7 +613,7 @@ I830SetupImageVideo(ScreenPtr pScreen)
    adapt->nAttributes = NUM_ATTRIBUTES;
    if (pI830->Clone)
       adapt->nAttributes += CLONE_ATTRIBUTES;
-   if (IS_I915G(pI830) || IS_I915GM(pI830))
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))
       adapt->nAttributes += GAMMA_ATTRIBUTES; /* has gamma */
    adapt->pAttributes = xnfalloc(sizeof(XF86AttributeRec) * adapt->nAttributes);
    /* Now copy the attributes */
@@ -624,7 +624,7 @@ I830SetupImageVideo(ScreenPtr pScreen)
       memcpy((char*)att, (char*)CloneAttributes, sizeof(XF86AttributeRec) * CLONE_ATTRIBUTES);
       att+=CLONE_ATTRIBUTES;
    }
-   if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
       memcpy((char*)att, (char*)GammaAttributes, sizeof(XF86AttributeRec) * GAMMA_ATTRIBUTES);
       att+=GAMMA_ATTRIBUTES;
    }
@@ -684,7 +684,7 @@ I830SetupImageVideo(ScreenPtr pScreen)
    if (pI830->Clone)
      xvPipe = MAKE_ATOM("XV_PIPE");
 
-   if (IS_I915G(pI830) || IS_I915GM(pI830)) {
+   if (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830)) {
      xvGamma0 = MAKE_ATOM("XV_GAMMA0");
      xvGamma1 = MAKE_ATOM("XV_GAMMA1");
      xvGamma2 = MAKE_ATOM("XV_GAMMA2");
@@ -802,7 +802,7 @@ I830SetPortAttribute(ScrnInfoPtr pScrn,
          overlay->OCONFIG |= OVERLAY_PIPE_B;
       if (pPriv->overlayOK)
          OVERLAY_UPDATE;
-   } else if (attribute == xvGamma0 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma0 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       /* Avoid video anomalies, so set gamma registers when overlay is off */
       /* We also clamp the values if they are outside the ranges */
       if (!*pI830->overlayOn) {
@@ -811,35 +811,35 @@ I830SetPortAttribute(ScrnInfoPtr pScrn,
 	   pPriv->gamma1 = pPriv->gamma0 + 0x7d;
       } else
          return BadRequest;
-   } else if (attribute == xvGamma1 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma1 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       if (!*pI830->overlayOn) {
          pPriv->gamma1 = value;
          if (pPriv->gamma1 - pPriv->gamma0 > 0x7d)
            pPriv->gamma0 = pPriv->gamma1 - 0x7d;
       } else
          return BadRequest;
-   } else if (attribute == xvGamma2 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma2 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       if (!*pI830->overlayOn) {
          pPriv->gamma2 = value;
          if (pPriv->gamma3 - pPriv->gamma2 > 0x7d)
             pPriv->gamma3 = pPriv->gamma2 + 0x7d;
       } else
          return BadRequest;
-   } else if (attribute == xvGamma3 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma3 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       if (!*pI830->overlayOn) {
          pPriv->gamma3 = value;
          if (pPriv->gamma3 - pPriv->gamma2 > 0x7d)
             pPriv->gamma2 = pPriv->gamma3 - 0x7d;
       } else
          return BadRequest;
-   } else if (attribute == xvGamma4 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma4 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       if (!*pI830->overlayOn) {
          pPriv->gamma4 = value;
          if (pPriv->gamma5 - pPriv->gamma4 > 0x7d)
             pPriv->gamma5 = pPriv->gamma4 + 0x7d;
       } else
          return BadRequest;
-   } else if (attribute == xvGamma5 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma5 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       if (!*pI830->overlayOn) {
          pPriv->gamma5 = value;
          if (pPriv->gamma5 - pPriv->gamma4 > 0x7d)
@@ -871,7 +871,7 @@ I830SetPortAttribute(ScrnInfoPtr pScrn,
         attribute == xvGamma2 ||
         attribute == xvGamma3 ||
         attribute == xvGamma4 ||
-        attribute == xvGamma5) && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+        attribute == xvGamma5) && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
 	I830UpdateGamma(pScrn);
    }
 
@@ -891,17 +891,17 @@ I830GetPortAttribute(ScrnInfoPtr pScrn,
       *value = pPriv->contrast;
    } else if (pI830->Clone && attribute == xvPipe) {
       *value = pPriv->pipe;
-   } else if (attribute == xvGamma0 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma0 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma0;
-   } else if (attribute == xvGamma1 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma1 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma1;
-   } else if (attribute == xvGamma2 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma2 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma2;
-   } else if (attribute == xvGamma3 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma3 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma3;
-   } else if (attribute == xvGamma4 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma4 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma4;
-   } else if (attribute == xvGamma5 && (IS_I915G(pI830) || IS_I915GM(pI830))) {
+   } else if (attribute == xvGamma5 && (IS_I915G(pI830) || IS_I915GM(pI830) || IS_I945G(pI830))) {
       *value = pPriv->gamma5;
    } else if (attribute == xvColorKey) {
       *value = pPriv->colorKey;