27 #define scaler_read(offset)		readl(scaler->regs + (offset))
28 #define scaler_write(cfg, offset)	writel(cfg, scaler->regs + (offset))
93 static inline int scaler_reset(struct scaler_context *scaler)  in scaler_reset()  argument
110 static inline void scaler_enable_int(struct scaler_context *scaler)  in scaler_enable_int()  argument
143 static inline void scaler_set_src_fmt(struct scaler_context *scaler,  in scaler_set_src_fmt()  argument
152 static inline void scaler_set_src_base(struct scaler_context *scaler,  in scaler_set_src_base()  argument
166 static inline void scaler_set_src_span(struct scaler_context *scaler,  in scaler_set_src_span()  argument
180 static inline void scaler_set_src_luma_chroma_pos(struct scaler_context *scaler,  in scaler_set_src_luma_chroma_pos()  argument
196 static inline void scaler_set_src_wh(struct scaler_context *scaler,  in scaler_set_src_wh()  argument
206 static inline void scaler_set_dst_fmt(struct scaler_context *scaler,  in scaler_set_dst_fmt()  argument
215 static inline void scaler_set_dst_base(struct scaler_context *scaler,  in scaler_set_dst_base()  argument
229 static inline void scaler_set_dst_span(struct scaler_context *scaler,  in scaler_set_dst_span()  argument
243 static inline void scaler_set_dst_luma_pos(struct scaler_context *scaler,  in scaler_set_dst_luma_pos()  argument
253 static inline void scaler_set_dst_wh(struct scaler_context *scaler,  in scaler_set_dst_wh()  argument
263 static inline void scaler_set_hv_ratio(struct scaler_context *scaler,  in scaler_set_hv_ratio()  argument
285 static inline void scaler_set_rotation(struct scaler_context *scaler,  in scaler_set_rotation()  argument
303 static inline void scaler_set_csc(struct scaler_context *scaler,  in scaler_set_csc()  argument
341 static inline void scaler_set_timer(struct scaler_context *scaler,  in scaler_set_timer()  argument
352 static inline void scaler_start_hw(struct scaler_context *scaler)  in scaler_start_hw()  argument
360 	struct scaler_context *scaler =  in scaler_commit()  local
371 	ret = pm_runtime_resume_and_get(scaler->dev);  in scaler_commit()
375 	if (scaler_reset(scaler))  in scaler_commit()
378 	scaler->task = task;  in scaler_commit()
381 		scaler, src_fmt->internal_fmt, task->src.buf.modifier != 0);  in scaler_commit()
382 	scaler_set_src_base(scaler, &task->src);  in scaler_commit()
383 	scaler_set_src_span(scaler, &task->src);  in scaler_commit()
384 	scaler_set_src_luma_chroma_pos(scaler, src_pos, src_fmt);  in scaler_commit()
385 	scaler_set_src_wh(scaler, src_pos);  in scaler_commit()
387 	scaler_set_dst_fmt(scaler, dst_fmt->internal_fmt);  in scaler_commit()
388 	scaler_set_dst_base(scaler, &task->dst);  in scaler_commit()
389 	scaler_set_dst_span(scaler, &task->dst);  in scaler_commit()
390 	scaler_set_dst_luma_pos(scaler, dst_pos);  in scaler_commit()
391 	scaler_set_dst_wh(scaler, dst_pos);  in scaler_commit()
393 	scaler_set_hv_ratio(scaler, task->transform.rotation, src_pos, dst_pos);  in scaler_commit()
394 	scaler_set_rotation(scaler, task->transform.rotation);  in scaler_commit()
396 	scaler_set_csc(scaler, task->src.format);  in scaler_commit()
398 	scaler_set_timer(scaler, 0xffff, 0xf);  in scaler_commit()
400 	scaler_enable_int(scaler);  in scaler_commit()
401 	scaler_start_hw(scaler);  in scaler_commit()
410 static inline void scaler_disable_int(struct scaler_context *scaler)  in scaler_disable_int()  argument
415 static inline u32 scaler_get_int_status(struct scaler_context *scaler)  in scaler_get_int_status()  argument
431 	struct scaler_context *scaler = arg;  in scaler_irq_handler()  local
433 	u32 val = scaler_get_int_status(scaler);  in scaler_irq_handler()
435 	scaler_disable_int(scaler);  in scaler_irq_handler()
437 	if (scaler->task) {  in scaler_irq_handler()
438 		struct exynos_drm_ipp_task *task = scaler->task;  in scaler_irq_handler()
440 		scaler->task = NULL;  in scaler_irq_handler()
441 		pm_runtime_mark_last_busy(scaler->dev);  in scaler_irq_handler()
442 		pm_runtime_put_autosuspend(scaler->dev);  in scaler_irq_handler()
451 	struct scaler_context *scaler = dev_get_drvdata(dev);  in scaler_bind()  local
453 	struct exynos_drm_ipp *ipp = &scaler->ipp;  in scaler_bind()
455 	scaler->drm_dev = drm_dev;  in scaler_bind()
457 	exynos_drm_register_dma(drm_dev, dev, &scaler->dma_priv);  in scaler_bind()
462 			scaler->scaler_data->formats,  in scaler_bind()
463 			scaler->scaler_data->num_formats, "scaler");  in scaler_bind()
473 	struct scaler_context *scaler = dev_get_drvdata(dev);  in scaler_unbind()  local
474 	struct exynos_drm_ipp *ipp = &scaler->ipp;  in scaler_unbind()
477 	exynos_drm_unregister_dma(scaler->drm_dev, scaler->dev,  in scaler_unbind()
478 				  &scaler->dma_priv);  in scaler_unbind()
489 	struct scaler_context *scaler;  in scaler_probe()  local
493 	scaler = devm_kzalloc(dev, sizeof(*scaler), GFP_KERNEL);  in scaler_probe()
494 	if (!scaler)  in scaler_probe()
497 	scaler->scaler_data =  in scaler_probe()
500 	scaler->dev = dev;  in scaler_probe()
501 	scaler->regs = devm_platform_ioremap_resource(pdev, 0);  in scaler_probe()
502 	if (IS_ERR(scaler->regs))  in scaler_probe()
503 		return PTR_ERR(scaler->regs);  in scaler_probe()
510 					IRQF_ONESHOT, "drm_scaler", scaler);  in scaler_probe()
516 	for (i = 0; i < scaler->scaler_data->num_clk; ++i) {  in scaler_probe()
517 		scaler->clock[i] = devm_clk_get(dev,  in scaler_probe()
518 					      scaler->scaler_data->clk_name[i]);  in scaler_probe()
519 		if (IS_ERR(scaler->clock[i])) {  in scaler_probe()
521 			return PTR_ERR(scaler->clock[i]);  in scaler_probe()
528 	platform_set_drvdata(pdev, scaler);  in scaler_probe()
558 static int scaler_clk_ctrl(struct scaler_context *scaler, bool enable)  in scaler_clk_ctrl()  argument
564 	for (i = 0; i < scaler->scaler_data->num_clk; ++i)  in scaler_clk_ctrl()
565 		clk_fun(scaler->clock[i]);  in scaler_clk_ctrl()
572 	struct scaler_context *scaler = dev_get_drvdata(dev);  in scaler_runtime_suspend()  local
574 	return  scaler_clk_ctrl(scaler, false);  in scaler_runtime_suspend()
579 	struct scaler_context *scaler = dev_get_drvdata(dev);  in scaler_runtime_resume()  local
581 	return  scaler_clk_ctrl(scaler, true);  in scaler_runtime_resume()