DFBResult
savage3d_init_device( CoreGraphicsDevice *device,
GraphicsDeviceInfo *device_info,
void *driver_data,
void *device_data )
{
SavageDriverData *sdrv = (SavageDriverData*) driver_data;
volatile u8 *mmio = sdrv->mmio_base;
unsigned long cobIndex; /* size index */
unsigned long cobSize; /* size in bytes */
unsigned long cobOffset; /* offset in frame buffer */
/* fill device info */
snprintf( device_info->name,
DFB_GRAPHICS_DEVICE_INFO_NAME_LENGTH, "Savage3D Series" );
snprintf( device_info->vendor,
DFB_GRAPHICS_DEVICE_INFO_VENDOR_LENGTH, "S3" );
device_info->caps.flags = CCF_CLIPPING;
device_info->caps.accel = SAVAGE3D_DRAWING_FUNCTIONS |
SAVAGE3D_BLITTING_FUNCTIONS;
device_info->caps.drawing = SAVAGE3D_DRAWING_FLAGS;
device_info->caps.blitting = SAVAGE3D_BLITTING_FLAGS;
device_info->limits.surface_byteoffset_alignment = 2048;
device_info->limits.surface_pixelpitch_alignment = 32;
cobIndex = 7;
cobSize = 0x400 << cobIndex;
cobOffset = dfb_gfxcard_reserve_memory( device, cobSize );
/* savage_out32( 0x8504, 0x00008000 ); */
/* Disable BCI */
savage_out32( mmio, 0x48C18,
savage_in32( mmio, 0x48C18 ) & 0x3FF0);
/* Setup BCI command overflow buffer */
savage_out32( mmio, 0x48C14, (cobOffset >> 11) | (cobIndex << 29));
/* Program shadow status update. */
savage_out32( mmio, 0x48C10, 0x78207220);
savage_out32( mmio, 0x48C0C, 0);
/* Enable BCI and command overflow buffer */
savage_out32( mmio, 0x48C18, savage_in32( mmio, 0x48C18 ) | 0x0C);
return DFB_OK;
}
DFBResult
savage4_init_device( CoreGraphicsDevice *device,
GraphicsDeviceInfo *device_info,
void *driver_data,
void *device_data )
{
SavageDriverData *sdrv = (SavageDriverData*) driver_data;
volatile u8 *mmio = sdrv->mmio_base;
SVGDBG("savage4initdevice\n");
/* fill device info */
snprintf( device_info->name,
DFB_GRAPHICS_DEVICE_INFO_NAME_LENGTH, "Savage4 Series" );
snprintf( device_info->vendor,
DFB_GRAPHICS_DEVICE_INFO_VENDOR_LENGTH, "S3" );
device_info->caps.flags = CCF_CLIPPING;
device_info->caps.accel = SAVAGE4_DRAWING_FUNCTIONS |
SAVAGE4_BLITTING_FUNCTIONS;
device_info->caps.drawing = SAVAGE4_DRAWING_FLAGS;
device_info->caps.blitting = SAVAGE4_BLITTING_FLAGS;
device_info->limits.surface_byteoffset_alignment = 2048;
device_info->limits.surface_pixelpitch_alignment = 32;
vga_out8( mmio, 0x3d4, CR_SYSCONF );
vga_out8( mmio, 0x3d5, CR_SYSCONF_ENABLE_2D_ENGINE_IO_ACCESS );
vga_out8( mmio, 0x3d4, CR_MEMCONF );
vga_out8( mmio, 0x3d5, CR_MEMCONF_ENABLE_VGA_16BIT_IO_ACCESS |
CR_MEMCONF_ENHANCED_MODE_MEMORY_MAPPING );
/* Setup plane masks */
savage_out32( mmio, SAVAGE_2D_WRITE_MASK, ~0 );
savage_out32( mmio, SAVAGE_2D_READ_MASK, ~0 );
savage_out16( mmio, SAVAGE_2D_BACKGROUND_MIX, 0x03 );
savage_out16( mmio, SAVAGE_2D_FOREGROUND_MIX, 0x27 );
/* Disable BCI */
savage_out32( mmio, SAVAGE_COMMAND_OVERFLOW_BUFFER_POINTERS,
(savage_in32( mmio, 0x48C18)) & 0x3FF0);
/* Program shadow status update */
savage_out32( mmio, 0x48C10, 0x00700040);
savage_out32( mmio, 0x48C0C, 0);
/* Enable BCI without the COB */
savage_out32( mmio, SAVAGE_COMMAND_OVERFLOW_BUFFER_POINTERS,
(savage_in32( mmio, 0x48C18)) | 0x08);
return DFB_OK;
}
