diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/savage_dma.c | 50 | ||||
| -rw-r--r-- | linux/savage_drv.h | 45 |
2 files changed, 94 insertions, 1 deletions
diff --git a/linux/savage_dma.c b/linux/savage_dma.c index b012e1ba..581d4302 100644 --- a/linux/savage_dma.c +++ b/linux/savage_dma.c @@ -26,6 +26,7 @@ /*=========================================================*/ #include "savage.h" #include "drmP.h" +#include "savage_drm.h" #include "savage_drv.h" #include <linux/interrupt.h> /* For task queue support */ @@ -34,7 +35,54 @@ #define SAVAGE_DEFAULT_USEC_TIMEOUT 10000 #define SAVAGE_FREELIST_DEBUG 0 +static int savage_preinit( drm_device_t *dev, unsigned long chipset ) +{ + drm_savage_private_t *dev_priv; + unsigned mmioBase, fbBase, fbSize, apertureBase; + int ret = 0; + + dev_priv = DRM(alloc)( sizeof(drm_savage_private_t), DRM_MEM_DRIVER ); + if ( dev_priv == NULL ) + return DRM_ERR(ENOMEM); + + memset( dev_priv, 0, sizeof(drm_savage_private_t) ); + dev->dev_private = (void *)dev_priv; + dev_priv->chipset = (enum savage_family)chipset; + + if( S3_SAVAGE3D_SERIES(dev_priv->chipset) ) { + fbBase = pci_resource_start( dev->pdev, 0 ); + fbSize = SAVAGE_FB_SIZE_S3; + mmioBase = fbBase + fbSize; + apertureBase = fbBase + SAVAGE_APERTURE_OFFSET; + } else if( chipset != S3_SUPERSAVAGE ) { + mmioBase = pci_resource_start( dev->pdev, 0 ); + fbBase = pci_resource_start( dev->pdev, 1 ); + fbSize = SAVAGE_FB_SIZE_S4; + apertureBase = fbBase + SAVAGE_APERTURE_OFFSET; + } else { + mmioBase = pci_resource_start( dev->pdev, 0 ); + fbBase = pci_resource_start( dev->pdev, 1 ); + fbSize = pci_resource_len( dev->pdev, 1 ); + apertureBase = pci_resource_start( dev->pdev, 2 ); + } + + if( (ret = DRM(initmap)( dev, mmioBase, SAVAGE_MMIO_SIZE, + _DRM_REGISTERS, 0 ))) + return ret; + + if( (ret = DRM(initmap)( dev, fbBase, fbSize, + _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING ))) + return ret; + + if( (ret = DRM(initmap)( dev, apertureBase, SAVAGE_APERTURE_SIZE, + _DRM_FRAME_BUFFER, _DRM_WRITE_COMBINING ))) + return ret; + + return ret; +} + void DRM(driver_register_fns)(drm_device_t *dev) { - dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR; + dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR; + dev->fn_tbl.preinit = savage_preinit; } diff --git a/linux/savage_drv.h b/linux/savage_drv.h index 4cb59fea..755ed2e9 100644 --- a/linux/savage_drv.h +++ b/linux/savage_drv.h @@ -24,4 +24,49 @@ #ifndef __SAVAGE_DRV_H__ #define __SAVAGE_DRV_H__ +/* these chip tags should match the ones in the 2D driver in savage_regs.h. */ +enum savage_family { + S3_UNKNOWN = 0, + S3_SAVAGE3D, + S3_SAVAGE_MX, + S3_SAVAGE4, + S3_PROSAVAGE, + S3_TWISTER, + S3_PROSAVAGEDDR, + S3_SUPERSAVAGE, + S3_SAVAGE2000, + S3_LAST +}; + +#define S3_SAVAGE3D_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX)) + +#define S3_SAVAGE4_SERIES(chip) ((chip==S3_SAVAGE4) \ + || (chip==S3_PROSAVAGE) \ + || (chip==S3_TWISTER) \ + || (chip==S3_PROSAVAGEDDR)) + +#define S3_SAVAGE_MOBILE_SERIES(chip) ((chip==S3_SAVAGE_MX) || (chip==S3_SUPERSAVAGE)) + +#define S3_SAVAGE_SERIES(chip) ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE2000)) + +#define S3_MOBILE_TWISTER_SERIES(chip) ((chip==S3_TWISTER) \ + ||(chip==S3_PROSAVAGEDDR)) + +/* flags */ +#define SAVAGE_IS_AGP 1 + +typedef struct drm_savage_private { + drm_savage_sarea_t *sarea_priv; + + enum savage_family chipset; + unsigned flags; + +} drm_savage_private_t; + +#define SAVAGE_FB_SIZE_S3 0x01000000 /* 16MB */ +#define SAVAGE_FB_SIZE_S4 0x02000000 /* 32MB */ +#define SAVAGE_MMIO_SIZE 0x00080000 /* 512kB */ +#define SAVAGE_APERTURE_OFFSET 0x02000000 /* 32MB */ +#define SAVAGE_APERTURE_SIZE 0x05000000 /* 5 tiled surfaces, 16MB each */ + #endif /* end #ifndef __SAVAGE_DRV_ */ |