35 #define rot_read(offset)	readl(rot->regs + (offset))
36 #define rot_write(cfg, offset)	writel(cfg, rot->regs + (offset))
68 static void rotator_reg_set_irq(struct rot_context *rot, bool enable)  in rotator_reg_set_irq()  argument
80 static enum rot_irq_status rotator_reg_get_irq_status(struct rot_context *rot)  in rotator_reg_get_irq_status()  argument
94 	struct rot_context *rot = arg;  in rotator_irq_handler()  local
99 	irq_status = rotator_reg_get_irq_status(rot);  in rotator_irq_handler()
106 	if (rot->task) {  in rotator_irq_handler()
107 		struct exynos_drm_ipp_task *task = rot->task;  in rotator_irq_handler()
109 		rot->task = NULL;  in rotator_irq_handler()
110 		pm_runtime_mark_last_busy(rot->dev);  in rotator_irq_handler()
111 		pm_runtime_put_autosuspend(rot->dev);  in rotator_irq_handler()
119 static void rotator_src_set_fmt(struct rot_context *rot, u32 fmt)  in rotator_src_set_fmt()  argument
138 static void rotator_src_set_buf(struct rot_context *rot,  in rotator_src_set_buf()  argument
160 static void rotator_dst_set_transf(struct rot_context *rot,  in rotator_dst_set_transf()  argument
186 static void rotator_dst_set_buf(struct rot_context *rot,  in rotator_dst_set_buf()  argument
205 static void rotator_start(struct rot_context *rot)  in rotator_start()  argument
210 	rotator_reg_set_irq(rot, true);  in rotator_start()
220 	struct rot_context *rot =  in rotator_commit()  local
224 	ret = pm_runtime_resume_and_get(rot->dev);  in rotator_commit()
226 		dev_err(rot->dev, "failed to enable ROTATOR device.\n");  in rotator_commit()
229 	rot->task = task;  in rotator_commit()
231 	rotator_src_set_fmt(rot, task->src.buf.fourcc);  in rotator_commit()
232 	rotator_src_set_buf(rot, &task->src);  in rotator_commit()
233 	rotator_dst_set_transf(rot, task->transform.rotation);  in rotator_commit()
234 	rotator_dst_set_buf(rot, &task->dst);  in rotator_commit()
235 	rotator_start(rot);  in rotator_commit()
246 	struct rot_context *rot = dev_get_drvdata(dev);  in rotator_bind()  local
248 	struct exynos_drm_ipp *ipp = &rot->ipp;  in rotator_bind()
250 	rot->drm_dev = drm_dev;  in rotator_bind()
252 	exynos_drm_register_dma(drm_dev, dev, &rot->dma_priv);  in rotator_bind()
256 			   rot->formats, rot->num_formats, "rotator");  in rotator_bind()
266 	struct rot_context *rot = dev_get_drvdata(dev);  in rotator_unbind()  local
267 	struct exynos_drm_ipp *ipp = &rot->ipp;  in rotator_unbind()
270 	exynos_drm_unregister_dma(rot->drm_dev, rot->dev, &rot->dma_priv);  in rotator_unbind()
281 	struct rot_context *rot;  in rotator_probe()  local
286 	rot = devm_kzalloc(dev, sizeof(*rot), GFP_KERNEL);  in rotator_probe()
287 	if (!rot)  in rotator_probe()
291 	rot->formats = variant->formats;  in rotator_probe()
292 	rot->num_formats = variant->num_formats;  in rotator_probe()
293 	rot->dev = dev;  in rotator_probe()
294 	rot->regs = devm_platform_ioremap_resource(pdev, 0);  in rotator_probe()
295 	if (IS_ERR(rot->regs))  in rotator_probe()
296 		return PTR_ERR(rot->regs);  in rotator_probe()
303 			       rot);  in rotator_probe()
309 	rot->clock = devm_clk_get(dev, "rotator");  in rotator_probe()
310 	if (IS_ERR(rot->clock)) {  in rotator_probe()
312 		return PTR_ERR(rot->clock);  in rotator_probe()
318 	platform_set_drvdata(pdev, rot);  in rotator_probe()
343 	struct rot_context *rot = dev_get_drvdata(dev);  in rotator_runtime_suspend()  local
345 	clk_disable_unprepare(rot->clock);  in rotator_runtime_suspend()
351 	struct rot_context *rot = dev_get_drvdata(dev);  in rotator_runtime_resume()  local
353 	return clk_prepare_enable(rot->clock);  in rotator_runtime_resume()