static int rotator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rot_context *rot;
struct exynos_drm_ippdrv *ippdrv;
int ret;
rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL);
if (!rot) {
dev_err(dev, "failed to allocate rot\n");
return -ENOMEM;
}
rot->limit_tbl = (struct rot_limit_table *)
platform_get_device_id(pdev)->driver_data;
rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rot->regs = devm_ioremap_resource(dev, rot->regs_res);
if (IS_ERR(rot->regs))
return PTR_ERR(rot->regs);
rot->irq = platform_get_irq(pdev, 0);
if (rot->irq < 0) {
dev_err(dev, "failed to get irq\n");
return rot->irq;
}
ret = request_threaded_irq(rot->irq, NULL, rotator_irq_handler,
IRQF_ONESHOT, "drm_rotator", rot);
if (ret < 0) {
dev_err(dev, "failed to request irq\n");
return ret;
}
rot->clock = devm_clk_get(dev, "rotator");
if (IS_ERR_OR_NULL(rot->clock)) {
dev_err(dev, "failed to get clock\n");
ret = PTR_ERR(rot->clock);
goto err_clk_get;
}
pm_runtime_enable(dev);
ippdrv = &rot->ippdrv;
ippdrv->dev = dev;
ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &rot_src_ops;
ippdrv->ops[EXYNOS_DRM_OPS_DST] = &rot_dst_ops;
ippdrv->check_property = rotator_ippdrv_check_property;
ippdrv->start = rotator_ippdrv_start;
ret = rotator_init_prop_list(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to init property list.\n");
goto err_ippdrv_register;
}
DRM_DEBUG_KMS("%s:ippdrv[0x%x]\n", __func__, (int)ippdrv);
platform_set_drvdata(pdev, rot);
ret = exynos_drm_ippdrv_register(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to register drm rotator device\n");
goto err_ippdrv_register;
}
dev_info(dev, "The exynos rotator is probed successfully\n");
return 0;
err_ippdrv_register:
devm_kfree(dev, ippdrv->prop_list);
pm_runtime_disable(dev);
err_clk_get:
free_irq(rot->irq, rot);
return ret;
}
static int rotator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rot_context *rot;
struct exynos_drm_ippdrv *ippdrv;
const struct of_device_id *match;
int ret;
if (!dev->of_node) {
dev_err(dev, "cannot find of_node.\n");
return -ENODEV;
}
rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL);
if (!rot)
return -ENOMEM;
match = of_match_node(exynos_rotator_match, dev->of_node);
if (!match) {
dev_err(dev, "failed to match node\n");
return -ENODEV;
}
rot->limit_tbl = (struct rot_limit_table *)match->data;
rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rot->regs = devm_ioremap_resource(dev, rot->regs_res);
if (IS_ERR(rot->regs))
return PTR_ERR(rot->regs);
rot->irq = platform_get_irq(pdev, 0);
if (rot->irq < 0) {
dev_err(dev, "failed to get irq\n");
return rot->irq;
}
ret = devm_request_threaded_irq(dev, rot->irq, NULL,
rotator_irq_handler, IRQF_ONESHOT, "drm_rotator", rot);
if (ret < 0) {
dev_err(dev, "failed to request irq\n");
return ret;
}
rot->clock = devm_clk_get(dev, "rotator");
if (IS_ERR(rot->clock)) {
dev_err(dev, "failed to get clock\n");
return PTR_ERR(rot->clock);
}
pm_runtime_enable(dev);
ippdrv = &rot->ippdrv;
ippdrv->dev = dev;
ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &rot_src_ops;
ippdrv->ops[EXYNOS_DRM_OPS_DST] = &rot_dst_ops;
ippdrv->check_property = rotator_ippdrv_check_property;
ippdrv->start = rotator_ippdrv_start;
ret = rotator_init_prop_list(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to init property list.\n");
goto err_ippdrv_register;
}
DRM_DEBUG_KMS("ippdrv[0x%x]\n", (int)ippdrv);
platform_set_drvdata(pdev, rot);
ret = exynos_drm_ippdrv_register(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to register drm rotator device\n");
goto err_ippdrv_register;
}
dev_info(dev, "The exynos rotator is probed successfully\n");
return 0;
err_ippdrv_register:
pm_runtime_disable(dev);
return ret;
}
static int __devinit rotator_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rot_context *rot;
struct resource *res;
struct exynos_drm_ippdrv *ippdrv;
int ret;
rot = kzalloc(sizeof(*rot), GFP_KERNEL);
if (!rot) {
dev_err(dev, "failed to allocate rot\n");
return -ENOMEM;
}
rot->limit_tbl = (struct rot_limit_table *)
platform_get_device_id(pdev)->driver_data;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "failed to find registers\n");
ret = -ENOENT;
goto err_get_resource;
}
rot->regs_res = request_mem_region(res->start, resource_size(res),
dev_name(dev));
if (!rot->regs_res) {
dev_err(dev, "failed to claim register region\n");
ret = -ENOENT;
goto err_get_resource;
}
rot->regs = ioremap(res->start, resource_size(res));
if (!rot->regs) {
dev_err(dev, "failed to map register\n");
ret = -ENXIO;
goto err_ioremap;
}
rot->irq = platform_get_irq(pdev, 0);
if (rot->irq < 0) {
dev_err(dev, "faild to get irq\n");
ret = rot->irq;
goto err_get_irq;
}
ret = request_irq(rot->irq, rotator_irq_handler, 0, "drm_rotator", rot);
if (ret < 0) {
dev_err(dev, "failed to request irq\n");
goto err_get_irq;
}
rot->clock = clk_get(dev, "rotator");
if (IS_ERR_OR_NULL(rot->clock)) {
dev_err(dev, "faild to get clock\n");
ret = PTR_ERR(rot->clock);
goto err_clk_get;
}
pm_runtime_enable(dev);
ippdrv = &rot->ippdrv;
ippdrv->dev = dev;
ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &rot_src_ops;
ippdrv->ops[EXYNOS_DRM_OPS_DST] = &rot_dst_ops;
ippdrv->open = rotator_ippdrv_open;
ippdrv->close = rotator_ippdrv_close;
ippdrv->start = rotator_ippdrv_start;
platform_set_drvdata(pdev, rot);
ret = exynos_drm_ippdrv_register(ippdrv);
if (ret < 0) {
dev_err(dev, "failed to register drm rotator device\n");
goto err_ippdrv_register;
}
dev_info(dev, "The exynos rotator is probed successfully\n");
return 0;
err_ippdrv_register:
pm_runtime_disable(dev);
clk_put(rot->clock);
err_clk_get:
free_irq(rot->irq, rot);
err_get_irq:
iounmap(rot->regs);
err_ioremap:
release_resource(rot->regs_res);
kfree(rot->regs_res);
err_get_resource:
kfree(rot);
return ret;
}