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/*
Copyright (c) 2003 Andreas Robinson, All rights reserved.
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.
*/
#include <config.h>
#include "unichrome.h"
#include "vidregs.h"
#include "mmio.h"
#include <core/system.h>
#include <core/palette.h>
#define UC_SPIC_OPTIONS DLOP_OPACITY
typedef struct _UcSubpictureData {
} UcSubpictureData;
static int uc_spic_datasize( void )
{
return sizeof(UcSubpictureData);
}
static void
uc_spic_set_palette( volatile u8* hwregs, CorePalette *palette )
{
int i;
if (palette) {
for (i = 0; i < 16; i++) {
/* TODO: Check r-g-b order. */
VIDEO_OUT(hwregs, RAM_TABLE_CONTROL,
(palette->entries[i].r << 24) |
(palette->entries[i].g << 16) |
(palette->entries[i].b << 8) |
(i << 4) | RAM_TABLE_RGB_ENABLE);
}
}
}
static void uc_spic_enable( volatile u8 *hwregs, bool enable )
{
VIDEO_OUT(hwregs, SUBP_CONTROL_STRIDE,
(VIDEO_IN(hwregs, SUBP_CONTROL_STRIDE) & ~SUBP_HQV_ENABLE) |
(enable ? SUBP_HQV_ENABLE : 0));
}
static void
uc_spic_set_buffer( volatile u8 *hwregs, CoreSurfaceBufferLock *lock )
{
if (lock) {
VIDEO_OUT(hwregs, SUBP_STARTADDR,
lock->offset);
VIDEO_OUT(hwregs, SUBP_CONTROL_STRIDE,
(VIDEO_IN(hwregs, SUBP_CONTROL_STRIDE) & ~SUBP_STRIDE_MASK) |
(lock->pitch & SUBP_STRIDE_MASK) |
SUBP_AI44 );
}
}
static DFBResult
uc_spic_init_layer( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBDisplayLayerDescription *description,
DFBDisplayLayerConfig *config,
DFBColorAdjustment *adjustment )
{
/* Set layer type, capabilities and name */
description->caps = DLCAPS_SURFACE | DLCAPS_OPACITY;
description->type = DLTF_GRAPHICS | DLTF_VIDEO | DLTF_STILL_PICTURE;
snprintf(description->name,
DFB_DISPLAY_LAYER_DESC_NAME_LENGTH, "VIA Unichrome DVD Subpicture");
adjustment->flags = DCAF_NONE;
/* Fill out the default configuration */
config->flags = DLCONF_WIDTH | DLCONF_HEIGHT |
DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE | DLCONF_OPTIONS;
config->width = 720;
config->height = 576;
config->pixelformat = DSPF_ALUT44;
config->buffermode = DLBM_FRONTONLY;
config->options = DLOP_NONE;
return DFB_OK;
}
static DFBResult
uc_spic_test_region( CoreLayer *layer,
void *driver_data,
void *layer_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags *failed)
{
CoreLayerRegionConfigFlags fail = 0;
/* Check layer options */
if (config->options & ~UC_SPIC_OPTIONS)
fail |= CLRCF_OPTIONS;
/* Check pixelformats */
switch (config->format) {
case DSPF_ALUT44:
break;
//case DSPF_LUTA44:
// IA44 does not exist in DirectFB, but hw supports it.
default:
fail |= CLRCF_FORMAT;
}
/* Check width and height */
if (config->width > 8195 || config->width < 1)
fail |= CLRCF_WIDTH;
if (config->height > 4096 || config->height < 1)
fail |= CLRCF_HEIGHT;
if (failed) *failed = fail;
if (fail) return DFB_UNSUPPORTED;
return DFB_OK;
}
static DFBResult
uc_spic_set_region( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags updated,
CoreSurface *surface,
CorePalette *palette,
CoreSurfaceBufferLock *lock )
{
UcDriverData* ucdrv = (UcDriverData*) driver_data;
uc_spic_set_palette(ucdrv->hwregs, palette);
uc_spic_set_buffer(ucdrv->hwregs, lock);
uc_spic_enable(ucdrv->hwregs, (config->opacity > 0));
return DFB_OK;
}
static DFBResult
uc_spic_remove( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data )
{
UcDriverData* ucdrv = (UcDriverData*) driver_data;
uc_spic_enable(ucdrv->hwregs, false);
return DFB_OK;
}
static DFBResult
uc_spic_flip_region( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreSurface *surface,
DFBSurfaceFlipFlags flags,
CoreSurfaceBufferLock *lock )
{
UcDriverData* ucdrv = (UcDriverData*) driver_data;
dfb_surface_flip(surface, false);
uc_spic_set_buffer(ucdrv->hwregs, lock);
return DFB_OK;
}
DisplayLayerFuncs ucSubpictureFuncs = {
.LayerDataSize = uc_spic_datasize,
.InitLayer = uc_spic_init_layer,
.SetRegion = uc_spic_set_region,
.RemoveRegion = uc_spic_remove,
.TestRegion = uc_spic_test_region,
.FlipRegion = uc_spic_flip_region,
};
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