diff options
Diffstat (limited to 'Source/DirectFB/gfxdrivers/nvidia/nvidia_primary.c')
| -rwxr-xr-x | Source/DirectFB/gfxdrivers/nvidia/nvidia_primary.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/Source/DirectFB/gfxdrivers/nvidia/nvidia_primary.c b/Source/DirectFB/gfxdrivers/nvidia/nvidia_primary.c new file mode 100755 index 0000000..50bde37 --- /dev/null +++ b/Source/DirectFB/gfxdrivers/nvidia/nvidia_primary.c @@ -0,0 +1,189 @@ +/* + Copyright (C) 2005-2006 Claudio Ciccani <klan@users.sf.net> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include <config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <directfb.h> + +#include <core/coredefs.h> +#include <core/surface.h> +#include <core/gfxcard.h> +#include <core/system.h> +#include <core/screen.h> +#include <core/layer_control.h> + +#include <misc/conf.h> + +#include <direct/messages.h> + +#include "nvidia.h" +#include "nvidia_regs.h" +#include "nvidia_accel.h" + + +/************************** Primary Screen functions **************************/ + +static DFBResult +crtc1InitScreen( CoreScreen *screen, + CoreGraphicsDevice *device, + void *driver_data, + void *screen_data, + DFBScreenDescription *description ) +{ + NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data; + volatile u8 *mmio = nvdrv->mmio_base; + + if (OldPrimaryScreenFuncs.InitScreen) + OldPrimaryScreenFuncs.InitScreen( screen, device, + OldPrimaryScreenDriverData, + screen_data, description ); + + description->caps |= DSCCAPS_VSYNC; + + snprintf( description->name, + DFB_SCREEN_DESC_NAME_LENGTH, "NVidia Primary Screen" ); + + nv_out32( mmio, PCRTC_INTR_EN, PCRTC_INTR_EN_VBLANK_DISABLED ); +#ifdef WORDS_BIGENDIAN + nv_out32( mmio, PCRTC_CONFIG, PCRTC_CONFIG_SIGNAL_HSYNC | + PCRTC_CONFIG_ENDIAN_BIG ); +#else + nv_out32( mmio, PCRTC_CONFIG, PCRTC_CONFIG_SIGNAL_HSYNC | + PCRTC_CONFIG_ENDIAN_LITTLE ); +#endif + nv_out32( mmio, PCRTC_INTR, PCRTC_INTR_VBLANK_RESET ); + + return DFB_OK; +} + +static DFBResult +crtc1WaitVSync( CoreScreen *screen, + void *driver_data, + void *screen_data ) +{ + NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data; + volatile u8 *mmio = nvdrv->mmio_base; + + if (!dfb_config->pollvsync_none) { + int i; + + for (i = 0; i < 2000000; i++) { + if (!(nv_in8( mmio, PCIO_CRTC_STATUS ) & 8)) + break; + } + + for (i = 0; i < 2000000;) { + if (nv_in8( mmio, PCIO_CRTC_STATUS ) & 8) + break; + + i++; + if ((i % 2000) == 0) { + struct timespec ts = { 0, 10000 }; + nanosleep( &ts, NULL ); + } + } + } + + return DFB_OK; +} + +#if 0 +static DFBResult +crtc1GetScreenSize( CoreScreen *screen, + void *driver_data, + void *screen_data, + int *ret_width, + int *ret_height ) +{ + NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data; + volatile u8 *mmio = nvdrv->mmio_base; + int w, h; + int val; + + /* stolen from RivaTV */ + + w = nv_incrtc( mmio, CRTC_HORIZ_DISPLAY_END ); + w |= (nv_incrtc( mmio, CRTC_HORIZ_EXTRA ) & 0x02) << 7; + w = (w + 1) << 3; + + h = nv_incrtc( mmio, CRTC_VERT_DISPLAY_END ); + val = nv_incrtc( mmio, CRTC_OVERFLOW ); + h |= (val & 0x02) << 7; + h |= (val & 0x40) << 3; + h++; + h |= nv_incrtc( mmio, CRTC_EXTRA ) << 9; + h |= nv_incrtc( mmio, 0x41 ) << 9; + h >>= (nv_incrtc( mmio, CRTC_MAX_SCAN_LINE ) & 0x80) >> 7; + + D_DEBUG( "DirectFB/NVidia/Crtc1: " + "detected screen resolution %dx%d.\n", w, h ); + + *ret_width = w; + *ret_height = h; + + return DFB_OK; +} +#endif + +ScreenFuncs nvidiaPrimaryScreenFuncs = { + .InitScreen = crtc1InitScreen, + .WaitVSync = crtc1WaitVSync, + //.GetScreenSize = crtc1GetScreenSize +}; + +ScreenFuncs OldPrimaryScreenFuncs; +void *OldPrimaryScreenDriverData; + +/*************************** Primary Layer hooks ******************************/ + +static DFBResult +fb0FlipRegion( CoreLayer *layer, + void *driver_data, + void *layer_data, + void *region_data, + CoreSurface *surface, + DFBSurfaceFlipFlags flags, + CoreSurfaceBufferLock *lock ) +{ + NVidiaDriverData *nvdrv = (NVidiaDriverData*) driver_data; + NVidiaDeviceData *nvdev = nvdrv->device_data; + u32 offset; + + dfb_surface_flip( surface, false ); + + offset = (lock->offset + nvdev->fb_offset) & ~3; + nv_out32( nvdrv->mmio_base, PCRTC_START, offset ); + + if (flags & DSFLIP_WAIT) + dfb_layer_wait_vsync( layer ); + + return DFB_OK; +} + + +DisplayLayerFuncs nvidiaPrimaryLayerFuncs = { + .FlipRegion = fb0FlipRegion +}; + +DisplayLayerFuncs OldPrimaryLayerFuncs; +void *OldPrimaryLayerDriverData; |