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-rw-r--r--src/mga.h2
-rw-r--r--src/mga_dri.c182
-rw-r--r--src/mga_dri.h49
3 files changed, 76 insertions, 157 deletions
diff --git a/src/mga.h b/src/mga.h
index 4823c63..bd04f76 100644
--- a/src/mga.h
+++ b/src/mga.h
@@ -153,7 +153,7 @@ void MGAdbg_outreg32(ScrnInfoPtr, int,int, char*);
#define MGA_DRIVER_NAME "mga"
#define MGA_MAJOR_VERSION 1
#define MGA_MINOR_VERSION 1
-#define MGA_PATCHLEVEL 1
+#define MGA_PATCHLEVEL 2
typedef struct {
unsigned char ExtVga[6];
diff --git a/src/mga_dri.c b/src/mga_dri.c
index 1506a7f..d919161 100644
--- a/src/mga_dri.c
+++ b/src/mga_dri.c
@@ -52,7 +52,7 @@
#include "mga_macros.h"
#include "mga_dri.h"
#include "mga_sarea.h"
-#include "mga_common.h"
+#include "mga_drm.h"
#define _XF86DRI_SERVER_
#include "GL/glxtokens.h"
@@ -70,7 +70,7 @@
#include "mga_macros.h"
#include "mga_dri.h"
-#include "mga_sarea.h"
+#define DRM_MGA_IDLE_RETRY 2048
static char MGAKernelDriverName[] = "mga";
static char MGAClientDriverName[] = "mga";
@@ -343,27 +343,27 @@ static void MGADestroyContext( ScreenPtr pScreen, drm_context_t hwContext,
static void MGAWaitForIdleDMA( ScrnInfoPtr pScrn )
{
MGAPtr pMga = MGAPTR(pScrn);
- drmMGALock lock;
+ drm_lock_t lock;
int ret;
int i = 0;
- memset( &lock, 0, sizeof(drmMGALock) );
+ memset( &lock, 0, sizeof(drm_lock_t) );
for (;;) {
do {
/* first ask for quiescent and flush */
- lock.flags = DRM_MGA_LOCK_QUIESCENT | DRM_MGA_LOCK_FLUSH;
+ lock.flags = DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH;
do {
ret = drmCommandWrite( pMga->drmFD, DRM_MGA_FLUSH,
- &lock, sizeof( drmMGALock ) );
+ &lock, sizeof( drm_lock_t ) );
} while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
/* if it's still busy just try quiescent */
if ( ret == -EBUSY ) {
- lock.flags = DRM_MGA_LOCK_QUIESCENT;
+ lock.flags = DRM_LOCK_QUIESCENT;
do {
ret = drmCommandWrite( pMga->drmFD, DRM_MGA_FLUSH,
- &lock, sizeof( drmMGALock ) );
+ &lock, sizeof( drm_lock_t ) );
} while ( ret == -EBUSY && i++ < DRM_MGA_IDLE_RETRY );
}
} while ( ( ret == -EBUSY ) && ( i++ < MGA_TIMEOUT ) );
@@ -583,7 +583,17 @@ static unsigned int mylog2( unsigned int n )
return log2;
}
-static Bool MGADRIAgpInit(ScreenPtr pScreen)
+/**
+ * Initialize DMA and secondary texture memory
+ *
+ * \todo
+ * The sizes used for the primary DMA buffer and the bin size and count for
+ * the secondary DMA buffers should be configurable from the xorg.conf.
+ *
+ * \todo
+ * Add support for PCI cards.
+ */
+static Bool MGADRIBootstrapDMA(ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
MGAPtr pMga = MGAPTR(pScrn);
@@ -700,18 +710,6 @@ static Bool MGADRIAgpInit(ScreenPtr pScreen)
"[agp] WARP microcode handle = 0x%08lx\n",
pMGADRIServer->warp.handle );
- if ( drmMap( pMga->drmFD,
- pMGADRIServer->warp.handle,
- pMGADRIServer->warp.size,
- &pMGADRIServer->warp.map ) < 0 ) {
- xf86DrvMsg( pScreen->myNum, X_ERROR,
- "[agp] Could not map WARP microcode\n" );
- return FALSE;
- }
- xf86DrvMsg( pScreen->myNum, X_INFO,
- "[agp] WARP microcode mapped at 0x%08lx\n",
- (unsigned long)pMGADRIServer->warp.map );
-
/* Primary DMA space
*/
if ( drmAddMap( pMga->drmFD,
@@ -727,18 +725,6 @@ static Bool MGADRIAgpInit(ScreenPtr pScreen)
"[agp] Primary DMA handle = 0x%08lx\n",
pMGADRIServer->primary.handle );
- if ( drmMap( pMga->drmFD,
- pMGADRIServer->primary.handle,
- pMGADRIServer->primary.size,
- &pMGADRIServer->primary.map ) < 0 ) {
- xf86DrvMsg( pScreen->myNum, X_ERROR,
- "[agp] Could not map primary DMA\n" );
- return FALSE;
- }
- xf86DrvMsg( pScreen->myNum, X_INFO,
- "[agp] Primary DMA mapped at 0x%08lx\n",
- (unsigned long)pMGADRIServer->primary.map );
-
/* DMA buffers
*/
if ( drmAddMap( pMga->drmFD,
@@ -754,18 +740,6 @@ static Bool MGADRIAgpInit(ScreenPtr pScreen)
"[agp] DMA buffers handle = 0x%08lx\n",
pMGADRIServer->buffers.handle );
- if ( drmMap( pMga->drmFD,
- pMGADRIServer->buffers.handle,
- pMGADRIServer->buffers.size,
- &pMGADRIServer->buffers.map ) < 0 ) {
- xf86DrvMsg( pScreen->myNum, X_ERROR,
- "[agp] Could not map DMA buffers\n" );
- return FALSE;
- }
- xf86DrvMsg( pScreen->myNum, X_INFO,
- "[agp] DMA buffers mapped at 0x%08lx\n",
- (unsigned long)pMGADRIServer->buffers.map );
-
count = drmAddBufs( pMga->drmFD,
MGA_NUM_BUFFERS, MGA_BUFFER_SIZE,
DRM_AGP_BUFFER, pMGADRIServer->buffers.offset );
@@ -793,22 +767,13 @@ static Bool MGADRIAgpInit(ScreenPtr pScreen)
"[agp] Could not add agpTexture mapping\n" );
return FALSE;
}
-/* should i map it ? */
+
xf86DrvMsg( pScreen->myNum, X_INFO,
"[agp] agpTexture handle = 0x%08lx\n",
pMGADRIServer->agpTextures.handle );
xf86DrvMsg( pScreen->myNum, X_INFO,
"[agp] agpTexture size: %d kb\n", pMGADRIServer->agpTextures.size/1024 );
- return TRUE;
-}
-
-static Bool MGADRIMapInit( ScreenPtr pScreen )
-{
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- MGAPtr pMga = MGAPTR(pScrn);
- MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo;
-
pMGADRIServer->registers.size = MGAIOMAPSIZE;
if ( drmAddMap( pMga->drmFD,
@@ -837,18 +802,6 @@ static Bool MGADRIMapInit( ScreenPtr pScreen )
"[drm] Status handle = 0x%08lx\n",
pMGADRIServer->status.handle );
- if ( drmMap( pMga->drmFD,
- pMGADRIServer->status.handle,
- pMGADRIServer->status.size,
- &pMGADRIServer->status.map ) < 0 ) {
- xf86DrvMsg( pScreen->myNum, X_ERROR,
- "[agp] Could not map status page\n" );
- return FALSE;
- }
- xf86DrvMsg( pScreen->myNum, X_INFO,
- "[agp] Status page mapped at 0x%08lx\n",
- (unsigned long)pMGADRIServer->status.map );
-
return TRUE;
}
@@ -857,10 +810,10 @@ static Bool MGADRIKernelInit( ScreenPtr pScreen )
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
MGAPtr pMga = MGAPTR(pScrn);
MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo;
- drmMGAInit init;
+ drm_mga_init_t init;
int ret;
- memset( &init, 0, sizeof(drmMGAInit) );
+ memset( &init, 0, sizeof(drm_mga_init_t) );
init.func = MGA_INIT_DMA;
init.sarea_priv_offset = sizeof(XF86DRISAREARec);
@@ -905,19 +858,13 @@ static Bool MGADRIKernelInit( ScreenPtr pScreen )
init.texture_offset[1] = pMGADRIServer->agpTextures.handle;
init.texture_size[1] = pMGADRIServer->agpTextures.size;
- ret = drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit));
+ ret = drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drm_mga_init_t));
if ( ret < 0 ) {
xf86DrvMsg( pScrn->scrnIndex, X_ERROR,
"[drm] Failed to initialize DMA! (%d)\n", ret );
return FALSE;
}
-#if 0
- /* FIXME: This is just here to clean up after the engine reset test
- * in the kernel module. Please remove it later...
- */
- pMga->GetQuiescence( pScrn );
-#endif
return TRUE;
}
@@ -1215,33 +1162,11 @@ Bool MGADRIScreenInit( ScreenPtr pScreen )
}
}
-#if 0
- /* Calculate texture constants for AGP texture space.
- * FIXME: move!
- */
- {
- CARD32 agpTextureOffset = MGA_DMA_BUF_SZ * MGA_DMA_BUF_NR;
- CARD32 agpTextureSize = pMGADRI->agp.size - agpTextureOffset;
-
- i = mylog2(agpTextureSize / MGA_NR_TEX_REGIONS);
- if (i < MGA_LOG_MIN_TEX_REGION_SIZE)
- i = MGA_LOG_MIN_TEX_REGION_SIZE;
-
- pMGADRI->logAgpTextureGranularity = i;
- pMGADRI->agpTextureSize = (agpTextureSize >> i) << i;
- pMGADRI->agpTextureOffset = agpTextureOffset;
- }
-#endif
-
- if ( !MGADRIAgpInit( pScreen ) ) {
+ if ( !MGADRIBootstrapDMA( pScreen ) ) {
DRICloseScreen( pScreen );
return FALSE;
}
- if ( !MGADRIMapInit( pScreen ) ) {
- DRICloseScreen( pScreen );
- return FALSE;
- }
{
void *scratch_ptr;
int scratch_int;
@@ -1311,7 +1236,6 @@ Bool MGADRIFinishScreenInit( ScreenPtr pScreen )
}
pMGADRI->width = pScrn->virtualX;
pMGADRI->height = pScrn->virtualY;
- pMGADRI->mem = pScrn->videoRam * 1024;
pMGADRI->cpp = pScrn->bitsPerPixel / 8;
pMGADRI->agpMode = pMga->agpMode;
@@ -1325,6 +1249,25 @@ Bool MGADRIFinishScreenInit( ScreenPtr pScreen )
pMGADRI->textureOffset = pMGADRIServer->textureOffset;
pMGADRI->textureSize = pMGADRIServer->textureSize;
+ pMGADRI->agpTextureOffset = (unsigned int)pMGADRIServer->agpTextures.handle;
+ pMGADRI->agpTextureSize = (unsigned int)pMGADRIServer->agpTextures.size;
+
+ pMGADRI->registers.handle = pMGADRIServer->registers.handle;
+ pMGADRI->registers.size = pMGADRIServer->registers.size;
+ pMGADRI->primary.handle = pMGADRIServer->primary.handle;
+ pMGADRI->primary.size = pMGADRIServer->primary.size;
+ pMGADRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
+
+
+ /* These are no longer used by the client-side DRI driver. They should
+ * be removed in the next release (i.e., 6.9 / 7.0).
+ */
+
+ pMGADRI->status.handle = pMGADRIServer->status.handle;
+ pMGADRI->status.size = pMGADRIServer->status.size;
+ pMGADRI->buffers.handle = pMGADRIServer->buffers.handle;
+ pMGADRI->buffers.size = pMGADRIServer->buffers.size;
+
i = mylog2( pMGADRI->textureSize / MGA_NR_TEX_REGIONS );
if ( i < MGA_LOG_MIN_TEX_REGION_SIZE )
i = MGA_LOG_MIN_TEX_REGION_SIZE;
@@ -1337,18 +1280,7 @@ Bool MGADRIFinishScreenInit( ScreenPtr pScreen )
i = MGA_LOG_MIN_TEX_REGION_SIZE;
pMGADRI->logAgpTextureGranularity = i;
- pMGADRI->agpTextureOffset = (unsigned int)pMGADRIServer->agpTextures.handle;
- pMGADRI->agpTextureSize = (unsigned int)pMGADRIServer->agpTextures.size;
- pMGADRI->registers.handle = pMGADRIServer->registers.handle;
- pMGADRI->registers.size = pMGADRIServer->registers.size;
- pMGADRI->status.handle = pMGADRIServer->status.handle;
- pMGADRI->status.size = pMGADRIServer->status.size;
- pMGADRI->primary.handle = pMGADRIServer->primary.handle;
- pMGADRI->primary.size = pMGADRIServer->primary.size;
- pMGADRI->buffers.handle = pMGADRIServer->buffers.handle;
- pMGADRI->buffers.size = pMGADRIServer->buffers.size;
- pMGADRI->sarea_priv_offset = sizeof(XF86DRISAREARec);
return TRUE;
}
@@ -1358,7 +1290,7 @@ void MGADRICloseScreen( ScreenPtr pScreen )
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
MGAPtr pMga = MGAPTR(pScrn);
MGADRIServerPrivatePtr pMGADRIServer = pMga->DRIServerInfo;
- drmMGAInit init;
+ drm_mga_init_t init;
if ( pMGADRIServer->drmBuffers ) {
drmUnmapBufs( pMGADRIServer->drmBuffers );
@@ -1372,31 +1304,9 @@ void MGADRICloseScreen( ScreenPtr pScreen )
}
/* Cleanup DMA */
- memset( &init, 0, sizeof(drmMGAInit) );
+ memset( &init, 0, sizeof(drm_mga_init_t) );
init.func = MGA_CLEANUP_DMA;
- drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drmMGAInit) );
-
- if ( pMGADRIServer->status.map ) {
- drmUnmap( pMGADRIServer->status.map, pMGADRIServer->status.size );
- pMGADRIServer->status.map = NULL;
- }
- if ( pMGADRIServer->buffers.map ) {
- drmUnmap( pMGADRIServer->buffers.map, pMGADRIServer->buffers.size );
- pMGADRIServer->buffers.map = NULL;
- }
- if ( pMGADRIServer->primary.map ) {
- drmUnmap( pMGADRIServer->primary.map, pMGADRIServer->primary.size );
- pMGADRIServer->primary.map = NULL;
- }
- if ( pMGADRIServer->warp.map ) {
- drmUnmap( pMGADRIServer->warp.map, pMGADRIServer->warp.size );
- pMGADRIServer->warp.map = NULL;
- }
-
- if ( pMGADRIServer->agpTextures.map ) {
- drmUnmap( pMGADRIServer->agpTextures.map, pMGADRIServer->agpTextures.size );
- pMGADRIServer->agpTextures.map = NULL;
- }
+ drmCommandWrite( pMga->drmFD, DRM_MGA_INIT, &init, sizeof(drm_mga_init_t) );
if ( pMGADRIServer->agp.handle != DRM_AGP_NO_HANDLE ) {
drmAgpUnbind( pMga->drmFD, pMGADRIServer->agp.handle );
diff --git a/src/mga_dri.h b/src/mga_dri.h
index 6d2addc..ef845c8 100644
--- a/src/mga_dri.h
+++ b/src/mga_dri.h
@@ -41,15 +41,6 @@
#define MGA_BUFFER_ALIGN 0x00000fff
typedef struct {
- int reserved_map_agpstart;
- int reserved_map_idx;
- int buffer_map_idx;
- int sarea_priv_offset;
- int primary_size;
- int warp_ucode_size;
- int chipset;
- int sgram;
-
unsigned int frontOffset;
unsigned int frontPitch;
@@ -79,11 +70,25 @@ typedef struct {
} MGADRIServerPrivateRec, *MGADRIServerPrivatePtr;
+#ifdef __GNUC__
+# define DEPRECATED __attribute__ ((deprecated))
+#else
+# define DEPRECATED
+#endif
+
+/**
+ * Hardware information sent from server to client-side DRI driver.
+ *
+ * \todo
+ * Several of these fields are no longer used (and will never be used
+ * again) on the client-side. At some point when it is safe to do so
+ * (probably for the X.org 6.9 / 7.0 release), these fields should be removed.
+ */
typedef struct {
int chipset;
int width;
int height;
- int mem;
+ int mem DEPRECATED; /**< Unused client-side since forever. */
int cpp;
int agpMode;
@@ -99,22 +104,26 @@ typedef struct {
unsigned int textureOffset;
unsigned int textureSize;
- int logTextureGranularity;
+ int logTextureGranularity; /**< Unused client-side since 2003-Aug-06 */
- /* Allow calculation of setup dma addresses.
- */
- unsigned int agpBufferOffset;
+ unsigned int agpBufferOffset DEPRECATED; /**< Unused client-side since forever. */
unsigned int agpTextureOffset;
unsigned int agpTextureSize;
- int logAgpTextureGranularity;
+ int logAgpTextureGranularity; /**< Unused client-side since 2003-Aug-06 */
- unsigned int mAccess;
+ unsigned int mAccess DEPRECATED; /**< Unused client-side since forever. */
+
+ /**
+ * \name DRM memory regions.
+ */
+ /*@{*/
+ drmRegion registers; /**< MMIO registers. */
+ drmRegion status; /**< Unused client-side since forever. */
+ drmRegion primary; /**< Primary DMA region. */
+ drmRegion buffers; /**< Unused client-side since forever. */
+ /*@}*/
- drmRegion registers;
- drmRegion status;
- drmRegion primary;
- drmRegion buffers;
unsigned int sarea_priv_offset;
} MGADRIRec, *MGADRIPtr;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:59:28 +0000