C++ (Cpp) ipu_idmac_get示例

示例#1

文件： imx-media-vdic.c 项目： avagin/linux

static int vdic_get_ipu_resources(struct vdic_priv *priv)
{
	int ret, err_chan;
	struct ipuv3_channel *ch;
	struct ipu_vdi *vdi;

	priv->ipu = priv->md->ipu[priv->ipu_id];

	vdi = ipu_vdi_get(priv->ipu);
	if (IS_ERR(vdi)) {
		v4l2_err(&priv->sd, "failed to get VDIC\n");
		ret = PTR_ERR(vdi);
		goto out;
	}
	priv->vdi = vdi;

	if (!priv->csi_direct) {
		ch = ipu_idmac_get(priv->ipu, IPUV3_CHANNEL_MEM_VDI_PREV);
		if (IS_ERR(ch)) {
			err_chan = IPUV3_CHANNEL_MEM_VDI_PREV;
			ret = PTR_ERR(ch);
			goto out_err_chan;
		}
		priv->vdi_in_ch_p = ch;

		ch = ipu_idmac_get(priv->ipu, IPUV3_CHANNEL_MEM_VDI_CUR);
		if (IS_ERR(ch)) {
			err_chan = IPUV3_CHANNEL_MEM_VDI_CUR;
			ret = PTR_ERR(ch);
			goto out_err_chan;
		}
		priv->vdi_in_ch = ch;

		ch = ipu_idmac_get(priv->ipu, IPUV3_CHANNEL_MEM_VDI_NEXT);
		if (IS_ERR(ch)) {
			err_chan = IPUV3_CHANNEL_MEM_VDI_NEXT;
			ret = PTR_ERR(ch);
			goto out_err_chan;
		}
		priv->vdi_in_ch_n = ch;
	}

	return 0;

out_err_chan:
	v4l2_err(&priv->sd, "could not get IDMAC channel %u\n", err_chan);
out:
	vdic_put_ipu_resources(priv);
	return ret;
}

示例#2

文件： ipuv3-crtc.c 项目： AdrianHuang/linux-3.8.13

static int ipu_get_resources(struct ipu_crtc *ipu_crtc,
		struct ipu_client_platformdata *pdata)
{
	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
	int ret;

	ipu_crtc->ipu_ch = ipu_idmac_get(ipu, pdata->dma[0]);
	if (IS_ERR(ipu_crtc->ipu_ch)) {
		ret = PTR_ERR(ipu_crtc->ipu_ch);
		goto err_out;
	}

	ipu_crtc->dc = ipu_dc_get(ipu, pdata->dc);
	if (IS_ERR(ipu_crtc->dc)) {
		ret = PTR_ERR(ipu_crtc->dc);
		goto err_out;
	}

	ipu_crtc->dmfc = ipu_dmfc_get(ipu, pdata->dma[0]);
	if (IS_ERR(ipu_crtc->dmfc)) {
		ret = PTR_ERR(ipu_crtc->dmfc);
		goto err_out;
	}

	if (pdata->dp >= 0) {
		ipu_crtc->dp = ipu_dp_get(ipu, pdata->dp);
		if (IS_ERR(ipu_crtc->dp)) {
			ret = PTR_ERR(ipu_crtc->dp);
			goto err_out;
		}
	}

	ipu_crtc->di = ipu_di_get(ipu, pdata->di);
	if (IS_ERR(ipu_crtc->di)) {
		ret = PTR_ERR(ipu_crtc->di);
		goto err_out;
	}

	ipu_crtc->irq = ipu_idmac_channel_irq(ipu, ipu_crtc->ipu_ch,
			IPU_IRQ_EOF);
	ret = devm_request_irq(ipu_crtc->dev, ipu_crtc->irq, ipu_irq_handler, 0,
			"imx_drm", ipu_crtc);
	if (ret < 0) {
		dev_err(ipu_crtc->dev, "irq request failed with %d.\n", ret);
		goto err_out;
	}

	disable_irq(ipu_crtc->irq);

	return 0;
err_out:
	ipu_put_resources(ipu_crtc);

	return ret;
}

示例#3

文件： ipuv3-crtc.c 项目： realmz/blackfin-linux

static int ipu_get_resources(struct ipu_crtc *ipu_crtc,
		struct ipu_client_platformdata *pdata)
{
	struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
	int ret;

	ipu_crtc->ipu_ch = ipu_idmac_get(ipu, pdata->dma[0]);
	if (IS_ERR(ipu_crtc->ipu_ch)) {
		ret = PTR_ERR(ipu_crtc->ipu_ch);
		goto err_out;
	}

	ipu_crtc->dc = ipu_dc_get(ipu, pdata->dc);
	if (IS_ERR(ipu_crtc->dc)) {
		ret = PTR_ERR(ipu_crtc->dc);
		goto err_out;
	}

	ipu_crtc->dmfc = ipu_dmfc_get(ipu, pdata->dma[0]);
	if (IS_ERR(ipu_crtc->dmfc)) {
		ret = PTR_ERR(ipu_crtc->dmfc);
		goto err_out;
	}

	if (pdata->dp >= 0) {
		ipu_crtc->dp = ipu_dp_get(ipu, pdata->dp);
		if (IS_ERR(ipu_crtc->dp)) {
			ret = PTR_ERR(ipu_crtc->dp);
			goto err_out;
		}
	}

	ipu_crtc->di = ipu_di_get(ipu, pdata->di);
	if (IS_ERR(ipu_crtc->di)) {
		ret = PTR_ERR(ipu_crtc->di);
		goto err_out;
	}

	return 0;
err_out:
	ipu_put_resources(ipu_crtc);

	return ret;
}