static void ipu_drm_unbind(struct device *dev, struct device *master,
void *data)
{
struct ipu_crtc *ipu_crtc = dev_get_drvdata(dev);
imx_drm_remove_crtc(ipu_crtc->imx_crtc);
ipu_plane_put_resources(ipu_crtc->plane[0]);
ipu_put_resources(ipu_crtc);
}
static int ipu_drm_remove(struct platform_device *pdev)
{
struct ipu_crtc *ipu_crtc = platform_get_drvdata(pdev);
imx_drm_remove_crtc(ipu_crtc->imx_crtc);
ipu_put_resources(ipu_crtc);
return 0;
}
static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
struct ipu_client_platformdata *pdata, struct drm_device *drm)
{
struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
int dp = -EINVAL;
int ret;
int id;
ret = ipu_get_resources(ipu_crtc, pdata);
if (ret) {
dev_err(ipu_crtc->dev, "getting resources failed with %d.\n",
ret);
return ret;
}
ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
&ipu_crtc_helper_funcs, ipu_crtc->dev->of_node);
if (ret) {
dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
goto err_put_resources;
}
if (pdata->dp >= 0)
dp = IPU_DP_FLOW_SYNC_BG;
id = imx_drm_crtc_id(ipu_crtc->imx_crtc);
ipu_crtc->plane[0] = ipu_plane_init(ipu_crtc->base.dev, ipu,
pdata->dma[0], dp, BIT(id), true);
ret = ipu_plane_get_resources(ipu_crtc->plane[0]);
if (ret) {
dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n",
ret);
goto err_remove_crtc;
}
/* If this crtc is using the DP, add an overlay plane */
if (pdata->dp >= 0 && pdata->dma[1] > 0) {
ipu_crtc->plane[1] = ipu_plane_init(ipu_crtc->base.dev, ipu,
pdata->dma[1],
IPU_DP_FLOW_SYNC_FG,
BIT(id), false);
if (IS_ERR(ipu_crtc->plane[1]))
ipu_crtc->plane[1] = NULL;
}
ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]);
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_put_plane_res;
}
return 0;
err_put_plane_res:
ipu_plane_put_resources(ipu_crtc->plane[0]);
err_remove_crtc:
imx_drm_remove_crtc(ipu_crtc->imx_crtc);
err_put_resources:
ipu_put_resources(ipu_crtc);
return ret;
}
static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
struct ipu_client_platformdata *pdata, struct drm_device *drm)
{
struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
int dp = -EINVAL;
int ret;
ret = ipu_get_resources(ipu_crtc, pdata);
if (ret) {
dev_err(ipu_crtc->dev, "getting resources failed with %d.\n",
ret);
return ret;
}
if (pdata->dp >= 0)
dp = IPU_DP_FLOW_SYNC_BG;
ipu_crtc->plane[0] = ipu_plane_init(drm, ipu, pdata->dma[0], dp, 0,
DRM_PLANE_TYPE_PRIMARY);
if (IS_ERR(ipu_crtc->plane[0])) {
ret = PTR_ERR(ipu_crtc->plane[0]);
goto err_put_resources;
}
ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
&ipu_crtc->plane[0]->base, &ipu_crtc_helper_funcs,
pdata->of_node);
if (ret) {
dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
goto err_put_resources;
}
ret = ipu_plane_get_resources(ipu_crtc->plane[0]);
if (ret) {
dev_err(ipu_crtc->dev, "getting plane 0 resources failed with %d.\n",
ret);
goto err_remove_crtc;
}
/* If this crtc is using the DP, add an overlay plane */
if (pdata->dp >= 0 && pdata->dma[1] > 0) {
ipu_crtc->plane[1] = ipu_plane_init(drm, ipu, pdata->dma[1],
IPU_DP_FLOW_SYNC_FG,
drm_crtc_mask(&ipu_crtc->base),
DRM_PLANE_TYPE_OVERLAY);
if (IS_ERR(ipu_crtc->plane[1]))
ipu_crtc->plane[1] = NULL;
}
ipu_crtc->irq = ipu_plane_irq(ipu_crtc->plane[0]);
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_put_plane_res;
}
/* Only enable IRQ when we actually need it to trigger work. */
disable_irq(ipu_crtc->irq);
ipu_crtc->flip_queue = create_singlethread_workqueue("ipu-crtc-flip");
return 0;
err_put_plane_res:
ipu_plane_put_resources(ipu_crtc->plane[0]);
err_remove_crtc:
imx_drm_remove_crtc(ipu_crtc->imx_crtc);
err_put_resources:
ipu_put_resources(ipu_crtc);
return ret;
}
