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C++ BEGIN_DMA函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中BEGIN_DMA函数的典型用法代码示例。如果您正苦于以下问题:C++ BEGIN_DMA函数的具体用法?C++ BEGIN_DMA怎么用?C++ BEGIN_DMA使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了BEGIN_DMA函数的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: mga_dma_dispatch_blit

static void mga_dma_dispatch_blit(struct drm_device *dev, drm_mga_blit_t *blit)
{
	drm_mga_private_t *dev_priv = dev->dev_private;
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
	struct drm_clip_rect *pbox = sarea_priv->boxes;
	int nbox = sarea_priv->nbox;
	u32 scandir = 0, i;
	DMA_LOCALS;
	DRM_DEBUG("\n");

	BEGIN_DMA(4 + nbox);

	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000,
		  MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);

	DMA_BLOCK(MGA_DWGCTL, MGA_DWGCTL_COPY,
		  MGA_PLNWT, blit->planemask,
		  MGA_SRCORG, blit->srcorg, MGA_DSTORG, blit->dstorg);

	DMA_BLOCK(MGA_SGN, scandir,
		  MGA_MACCESS, dev_priv->maccess,
		  MGA_AR5, blit->ydir * blit->src_pitch,
		  MGA_PITCH, blit->dst_pitch);

	for (i = 0; i < nbox; i++) {
		int srcx = pbox[i].x1 + blit->delta_sx;
		int srcy = pbox[i].y1 + blit->delta_sy;
		int dstx = pbox[i].x1 + blit->delta_dx;
		int dsty = pbox[i].y1 + blit->delta_dy;
		int h = pbox[i].y2 - pbox[i].y1;
		int w = pbox[i].x2 - pbox[i].x1 - 1;
		int start;

		if (blit->ydir == -1)
			srcy = blit->height - srcy - 1;

		start = srcy * blit->src_pitch + srcx;

		DMA_BLOCK(MGA_AR0, start + w,
			  MGA_AR3, start,
			  MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff),
			  MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h);
	}


	
	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_PLNWT, ctx->plnwt,
		  MGA_PITCH, dev_priv->front_pitch, MGA_DWGCTL, ctx->dwgctl);

	ADVANCE_DMA();
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:54,代码来源:mga_state.c


示例2: mga_dma_dispatch_swap

static void mga_dma_dispatch_swap(struct drm_device *dev)
{
	drm_mga_private_t *dev_priv = dev->dev_private;
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
	struct drm_clip_rect *pbox = sarea_priv->boxes;
	int nbox = sarea_priv->nbox;
	int i;
	DMA_LOCALS;
	DRM_DEBUG("\n");

	sarea_priv->last_frame.head = dev_priv->prim.tail;
	sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap;

	BEGIN_DMA(4 + nbox);

	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000,
		  MGA_DWGSYNC, 0x00007100, MGA_DWGSYNC, 0x00007000);

	DMA_BLOCK(MGA_DSTORG, dev_priv->front_offset,
		  MGA_MACCESS, dev_priv->maccess,
		  MGA_SRCORG, dev_priv->back_offset,
		  MGA_AR5, dev_priv->front_pitch);

	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000,
		  MGA_PLNWT, 0xffffffff, MGA_DWGCTL, MGA_DWGCTL_COPY);

	for (i = 0; i < nbox; i++) {
		struct drm_clip_rect *box = &pbox[i];
		u32 height = box->y2 - box->y1;
		u32 start = box->y1 * dev_priv->front_pitch;

		DRM_DEBUG("   from=%d,%d to=%d,%d\n",
			  box->x1, box->y1, box->x2, box->y2);

		DMA_BLOCK(MGA_AR0, start + box->x2 - 1,
			  MGA_AR3, start + box->x1,
			  MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1,
			  MGA_YDSTLEN + MGA_EXEC, (box->y1 << 16) | height);
	}

	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_PLNWT, ctx->plnwt,
		  MGA_SRCORG, dev_priv->front_offset, MGA_DWGCTL, ctx->dwgctl);

	ADVANCE_DMA();

	FLUSH_DMA();

	DRM_DEBUG("... done.\n");
}
开发者ID:24hours,项目名称:linux,代码行数:53,代码来源:mga_state.c


示例3: mga_dma_dispatch_iload

/* This copies a 64 byte aligned agp region to the frambuffer with a
 * standard blit, the ioctl needs to do checking.
 */
static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf,
                                    unsigned int dstorg, unsigned int length )
{
    drm_mga_private_t *dev_priv = dev->dev_private;
    drm_mga_buf_priv_t *buf_priv = buf->dev_private;
    drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state;
    u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM;
    u32 y2;
    DMA_LOCALS;
    DRM_DEBUG( "%s: buf=%d used=%d\n",
               __FUNCTION__, buf->idx, buf->used );

    y2 = length / 64;

    BEGIN_DMA( 5 );

    DMA_BLOCK( MGA_DMAPAD,	0x00000000,
               MGA_DMAPAD,	0x00000000,
               MGA_DWGSYNC,	0x00007100,
               MGA_DWGSYNC,	0x00007000 );

    DMA_BLOCK( MGA_DSTORG,	dstorg,
               MGA_MACCESS,	0x00000000,
               MGA_SRCORG,	srcorg,
               MGA_AR5,	64 );

    DMA_BLOCK( MGA_PITCH,	64,
               MGA_PLNWT,	0xffffffff,
               MGA_DMAPAD,	0x00000000,
               MGA_DWGCTL,	MGA_DWGCTL_COPY );

    DMA_BLOCK( MGA_AR0,	63,
               MGA_AR3,	0,
               MGA_FXBNDRY,	(63 << 16) | 0,
               MGA_YDSTLEN + MGA_EXEC, y2 );

    DMA_BLOCK( MGA_PLNWT,	ctx->plnwt,
               MGA_SRCORG,	dev_priv->front_offset,
               MGA_PITCH,	dev_priv->front_pitch,
               MGA_DWGSYNC,	0x00007000 );

    ADVANCE_DMA();

    AGE_BUFFER( buf_priv );

    buf->pending = 0;
    buf->used = 0;
    buf_priv->dispatched = 0;

    mga_freelist_put( dev, buf );

    FLUSH_DMA();
}
开发者ID:nhanh0,项目名称:hah,代码行数:56,代码来源:mga_state.c


示例4: mga_g200_emit_context

static __inline__ void mga_g200_emit_context(drm_mga_private_t *dev_priv)
{
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
	DMA_LOCALS;

	BEGIN_DMA(3);

	DMA_BLOCK(MGA_DSTORG, ctx->dstorg,
		  MGA_MACCESS, ctx->maccess,
		  MGA_PLNWT, ctx->plnwt, MGA_DWGCTL, ctx->dwgctl);

	DMA_BLOCK(MGA_ALPHACTRL, ctx->alphactrl,
		  MGA_FOGCOL, ctx->fogcolor,
		  MGA_WFLAG, ctx->wflag, MGA_ZORG, dev_priv->depth_offset);

	DMA_BLOCK(MGA_FCOL, ctx->fcol,
		  MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

	ADVANCE_DMA();
}
开发者ID:vikash-g-samsung-com,项目名称:linux,代码行数:22,代码来源:mga_state.c


示例5: mga_g400_emit_pipe

static __inline__ void mga_g400_emit_pipe(drm_mga_private_t *dev_priv)
{
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	unsigned int pipe = sarea_priv->warp_pipe;
	DMA_LOCALS;

/*	printk("mga_g400_emit_pipe %x\n", pipe); */

	BEGIN_DMA(10);

	DMA_BLOCK(MGA_WIADDR2, MGA_WMODE_SUSPEND,
		  MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

	if (pipe & MGA_T2) {
		DMA_BLOCK(MGA_WVRTXSZ, 0x00001e09,
			  MGA_DMAPAD, 0x00000000,
			  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

		DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000
开发者ID:vikash-g-samsung-com,项目名称:linux,代码行数:22,代码来源:mga_state.c


示例6: mga_emit_clip_rect

static void mga_emit_clip_rect(drm_mga_private_t *dev_priv,
			       struct drm_clip_rect *box)
{
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	drm_mga_context_regs_t *ctx = &sarea_priv->context_state;
	unsigned int pitch = dev_priv->front_pitch;
	DMA_LOCALS;

	BEGIN_DMA(2);

	if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
		DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
			  MGA_LEN + MGA_EXEC, 0x80000000,
			  MGA_DWGCTL, ctx->dwgctl,
			  MGA_LEN + MGA_EXEC, 0x80000000);
	}
	DMA_BLOCK(MGA_DMAPAD, 0x00000000,
		  MGA_CXBNDRY, ((box->x2 - 1) << 16) | box->x1,
		  MGA_YTOP, box->y1 * pitch, MGA_YBOT, (box->y2 - 1) * pitch);

	ADVANCE_DMA();
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:22,代码来源:mga_state.c


示例7: mga_g400_emit_tex1

static inline void mga_g400_emit_tex1( drm_mga_private_t *dev_priv )
{
    drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
    drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1];
    DMA_LOCALS;

    BEGIN_DMA( 5 );

    DMA_BLOCK( MGA_TEXCTL2,		(tex->texctl2 |
                                 MGA_MAP1_ENABLE |
                                 MGA_G400_TC2_MAGIC),
               MGA_TEXCTL,		tex->texctl,
               MGA_TEXFILTER,	tex->texfilter,
               MGA_TEXBORDERCOL,	tex->texbordercol );

    DMA_BLOCK( MGA_TEXORG,		tex->texorg,
               MGA_TEXORG1,		tex->texorg1,
               MGA_TEXORG2,		tex->texorg2,
               MGA_TEXORG3,		tex->texorg3 );

    DMA_BLOCK( MGA_TEXORG4,		tex->texorg4,
               MGA_TEXWIDTH,	tex->texwidth,
               MGA_TEXHEIGHT,	tex->texheight,
               MGA_WR49,		0x00000000 );

    DMA_BLOCK( MGA_WR57,		0x00000000,
               MGA_WR53,		0x00000000,
               MGA_WR61,		0x00000000,
               MGA_WR52,		tex->texwidth | MGA_G400_WR_MAGIC );

    DMA_BLOCK( MGA_WR60,		tex->texheight | MGA_G400_WR_MAGIC,
               MGA_TEXTRANS,	0x0000ffff,
               MGA_TEXTRANSHIGH,	0x0000ffff,
               MGA_TEXCTL2,		tex->texctl2 | MGA_G400_TC2_MAGIC );

    ADVANCE_DMA();
}
开发者ID:nhanh0,项目名称:hah,代码行数:37,代码来源:mga_state.c


示例8: mga_g200_emit_pipe

static __inline__ void mga_g200_emit_pipe(drm_mga_private_t *dev_priv)
{
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	unsigned int pipe = sarea_priv->warp_pipe;
	DMA_LOCALS;

	BEGIN_DMA(3);

	DMA_BLOCK(MGA_WIADDR, MGA_WMODE_SUSPEND,
		  MGA_WVRTXSZ, 0x00000007,
		  MGA_WFLAG, 0x00000000, MGA_WR24, 0x00000000);

	DMA_BLOCK(MGA_WR25, 0x00000100,
		  MGA_WR34, 0x00000000,
		  MGA_WR42, 0x0000ffff, MGA_WR60, 0x0000ffff);

	DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
		  MGA_DMAPAD, 0xffffffff,
		  MGA_DMAPAD, 0xffffffff,
		  MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] |
			       MGA_WMODE_START | dev_priv->wagp_enable));

	ADVANCE_DMA();
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:24,代码来源:mga_state.c


示例9: mga_g400_emit_pipe

static __inline__ void mga_g400_emit_pipe(drm_mga_private_t *dev_priv)
{
	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
	unsigned int pipe = sarea_priv->warp_pipe;
	DMA_LOCALS;


	BEGIN_DMA(10);

	DMA_BLOCK(MGA_WIADDR2, MGA_WMODE_SUSPEND,
		  MGA_DMAPAD, 0x00000000,
		  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

	if (pipe & MGA_T2) {
		DMA_BLOCK(MGA_WVRTXSZ, 0x00001e09,
			  MGA_DMAPAD, 0x00000000,
			  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

		DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x1e000000);
	} else {
		if (dev_priv->warp_pipe & MGA_T2) {
			
			DMA_BLOCK(MGA_YDST, 0x00000000,
				  MGA_FXLEFT, 0x00000000,
				  MGA_FXRIGHT, 0x00000001,
				  MGA_DWGCTL, MGA_DWGCTL_FLUSH);

			DMA_BLOCK(MGA_LEN + MGA_EXEC, 0x00000001,
				  MGA_DWGSYNC, 0x00007000,
				  MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
				  MGA_LEN + MGA_EXEC, 0x00000000);

			DMA_BLOCK(MGA_TEXCTL2, (MGA_DUALTEX |
						MGA_G400_TC2_MAGIC),
				  MGA_LEN + MGA_EXEC, 0x00000000,
				  MGA_TEXCTL2, MGA_G400_TC2_MAGIC,
				  MGA_DMAPAD, 0x00000000);
		}

		DMA_BLOCK(MGA_WVRTXSZ, 0x00001807,
			  MGA_DMAPAD, 0x00000000,
			  MGA_DMAPAD, 0x00000000, MGA_DMAPAD, 0x00000000);

		DMA_BLOCK(MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x00000000,
			  MGA_WACCEPTSEQ, 0x18000000);
	}

	DMA_BLOCK(MGA_WFLAG, 0x00000000,
		  MGA_WFLAG1, 0x00000000,
		  MGA_WR56, MGA_G400_WR56_MAGIC, MGA_DMAPAD, 0x00000000);

	DMA_BLOCK(MGA_WR49, 0x00000000,	
		  MGA_WR57, 0x00000000,	
		  MGA_WR53, 0x00000000,	
		  MGA_WR61, 0x00000000);	

	DMA_BLOCK(MGA_WR54, MGA_G400_WR_MAGIC,	
		  MGA_WR62, MGA_G400_WR_MAGIC,	
		  MGA_WR52, MGA_G400_WR_MAGIC,	
		  MGA_WR60, MGA_G400_WR_MAGIC);	

	
	DMA_BLOCK(MGA_DMAPAD, 0xffffffff,
		  MGA_DMAPAD, 0xffffffff,
		  MGA_DMAPAD, 0xffffffff,
		  MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] |
				MGA_WMODE_START | dev_priv->wagp_enable));

	ADVANCE_DMA();
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:75,代码来源:mga_state.c



注:本文中的BEGIN_DMA函数示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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