Add support for Radeon IGP chipsets, based off of mcgrof-radeon-igp-v3.diff

XFree86 bug:	314

4 files changed, 38 insertions, 6 deletions

diff --git a/src/mesa/drivers/dri/r200/r200_context.c b/src/mesa/drivers/dri/r200/r200_context.c
index 08bea796ccc..af58c50b52c 100644
--- a/src/mesa/drivers/dri/r200/r200_context.c
+++ b/src/mesa/drivers/dri/r200/r200_context.c
@@ -438,11 +438,12 @@ GLboolean r200CreateContext( const __GLcontextModes *glVisual,
       fprintf(stderr, "disabling 3D acceleration\n");
       FALLBACK(rmesa, R200_FALLBACK_DISABLE, 1); 
    }
-   else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL")) {
+   else if (tcl_mode == DRI_CONF_TCL_SW || getenv("R200_NO_TCL") ||
+	    !(rmesa->r200Screen->chipset & R200_CHIPSET_TCL)) {
       fprintf(stderr, "disabling TCL support\n");
       TCL_FALLBACK(rmesa->glCtx, R200_TCL_FALLBACK_TCL_DISABLE, 1); 
    }
-   else {
+   if (rmesa->r200Screen->chipset & R200_CHIPSET_TCL) {
       if (tcl_mode >= DRI_CONF_TCL_VTXFMT && !getenv("R200_NO_VTXFMT")) {
 	 r200VtxfmtInit( ctx, tcl_mode >= DRI_CONF_TCL_CODEGEN );
       }
diff --git a/src/mesa/drivers/dri/r200/r200_screen.c b/src/mesa/drivers/dri/r200/r200_screen.c
index 0d3c46da30d..99409eb02a2 100644
--- a/src/mesa/drivers/dri/r200/r200_screen.c
+++ b/src/mesa/drivers/dri/r200/r200_screen.c
@@ -89,6 +89,16 @@ static const GLuint __driNConfigOptions = 10;
 #define PCI_CHIP_R200_LY	0x4C59
 #define PCI_CHIP_R200_LZ	0x4C5A
 #define PCI_CHIP_RV200_QW	0x5157 /* Radeon 7500 - not an R200 at all */
+#define PCI_CHIP_RS100_4136     0x4136 /* IGP RS100, RS200, RS250 are not R200 */
+#define PCI_CHIP_RS200_4137     0x4137
+#define PCI_CHIP_RS250_4237     0x4237
+#define PCI_CHIP_RS100_4336     0x4336
+#define PCI_CHIP_RS200_4337     0x4337
+#define PCI_CHIP_RS250_4437     0x4437
+#define PCI_CHIP_RS300_5834     0x5834 /* All RS300's are R200 */
+#define PCI_CHIP_RS300_5835     0x5835
+#define PCI_CHIP_RS300_5836     0x5836
+#define PCI_CHIP_RS300_5837     0x5837
 #endif
 
 static r200ScreenPtr __r200Screen;
@@ -115,6 +125,7 @@ r200CreateScreen( __DRIscreenPrivate *sPriv )
       return NULL;
    }
 
+   screen->chipset = 0;
    switch ( dri_priv->deviceID ) {
    case PCI_CHIP_R200_QD:
    case PCI_CHIP_R200_QE:
@@ -126,11 +137,24 @@ r200CreateScreen( __DRIscreenPrivate *sPriv )
    case PCI_CHIP_R200_LW:
    case PCI_CHIP_R200_LY:
    case PCI_CHIP_R200_LZ:
+   case PCI_CHIP_RS100_4136:
+   case PCI_CHIP_RS200_4137:
+   case PCI_CHIP_RS250_4237:
+   case PCI_CHIP_RS100_4336:
+   case PCI_CHIP_RS200_4337:
+   case PCI_CHIP_RS250_4437:
       __driUtilMessage("r200CreateScreen(): Device isn't an r200!\n");
       FREE( screen );
-      return NULL;      
+      return NULL;
+
+   case PCI_CHIP_RS300_5834:
+   case PCI_CHIP_RS300_5835:
+   case PCI_CHIP_RS300_5836:
+   case PCI_CHIP_RS300_5837:
+      break;
+
    default:
-      screen->chipset = R200_CHIPSET_R200;
+      screen->chipset |= R200_CHIPSET_TCL;
       break;
    }
 
diff --git a/src/mesa/drivers/dri/r200/r200_screen.h b/src/mesa/drivers/dri/r200/r200_screen.h
index 6b12227ec54..44d67354d7e 100644
--- a/src/mesa/drivers/dri/r200/r200_screen.h
+++ b/src/mesa/drivers/dri/r200/r200_screen.h
@@ -50,8 +50,9 @@ typedef struct {
    drmAddress map;			/* Mapping of the DRM region */
 } r200RegionRec, *r200RegionPtr;
 
-#define R200_CHIPSET_R200   1
-#define R200_CHIPSET_MOBILITY 2
+
+/* chipset features */
+#define R200_CHIPSET_TCL	(1 << 0)
 
 
 #define R200_NR_TEX_HEAPS 2
diff --git a/src/mesa/drivers/dri/r200/r200_state_init.c b/src/mesa/drivers/dri/r200/r200_state_init.c
index f7dfcff8b6c..88797191d2e 100644
--- a/src/mesa/drivers/dri/r200/r200_state_init.c
+++ b/src/mesa/drivers/dri/r200/r200_state_init.c
@@ -461,6 +461,12 @@ void r200InitState( r200ContextPtr rmesa )
 #else
 						R200_VC_NO_SWAP;
 #endif
+
+   if (!(rmesa->r200Screen->chipset & R200_CHIPSET_TCL)) {
+      /* Bypass TCL */
+      rmesa->hw.cst.cmd[CST_SE_VAP_CNTL_STATUS] |= (1<<8);
+   }
+
    rmesa->hw.cst.cmd[CST_RE_POINTSIZE] = 0x100010;
    rmesa->hw.cst.cmd[CST_SE_TCL_INPUT_VTX_0] =
       (0x0 << R200_VERTEX_POSITION_ADDR__SHIFT);