85 static void dw_hdcp_free_hl(struct dw_hdcp *hdcp)  in dw_hdcp_free_hl()  argument
87 	dw_hdcp_free_hl_dev_slot(&hdcp->hl_dev);  in dw_hdcp_free_hl()
88 	hdcp->hl_dev.code_loaded = false;  in dw_hdcp_free_hl()
91 static void dw_hdcp_reset(struct dw_hdcp *hdcp)  in dw_hdcp_reset()  argument
95 	reset_control_assert(hdcp->rsts_bulk);  in dw_hdcp_reset()
97 	reset_control_deassert(hdcp->rsts_bulk);  in dw_hdcp_reset()
99 	ret = sip_hdcpkey_init(hdcp->id);  in dw_hdcp_reset()
101 		dev_err(hdcp->dev, "load hdcp key failed\n");  in dw_hdcp_reset()
104 static int dw_hdcp_set_reset(struct dw_hdcp *hdcp, void __user *arg)  in dw_hdcp_set_reset()  argument
115 		dev_info(hdcp->dev, "hdcp reset\n");  in dw_hdcp_set_reset()
116 		dw_hdcp_free_hl(hdcp);  in dw_hdcp_set_reset()
117 		dw_hdcp_reset(hdcp);  in dw_hdcp_set_reset()
123 static int dw_hdcp_get_status(struct dw_hdcp *hdcp, void __user *arg)  in dw_hdcp_get_status()  argument
133 	if (!hdcp->is_suspend) {  in dw_hdcp_get_status()
134 		if (hdcp->id) {  in dw_hdcp_get_status()
135 			regmap_read(hdcp->vo_grf, VO1_GRF_VO1_STS3, &val);  in dw_hdcp_get_status()
141 			regmap_read(hdcp->vo_grf, VO1_GRF_VO1_STS4, &val);  in dw_hdcp_get_status()
147 			regmap_read(hdcp->vo_grf, VO0_GRF_VO0_STS0, &val);  in dw_hdcp_get_status()
153 			regmap_read(hdcp->vo_grf, VO0_GRF_VO0_STS3, &val);  in dw_hdcp_get_status()
333 	struct dw_hdcp *hdcp = container_of(hl_dev, struct dw_hdcp, hl_dev);  in dw_hdcp_free_dma_areas()  local
336 		dma_free_coherent(hdcp->dev, hl_dev->code_size, hl_dev->code, hl_dev->code_base);  in dw_hdcp_free_dma_areas()
341 		dma_free_coherent(hdcp->dev, hl_dev->data_size, hl_dev->data, hl_dev->data_base);  in dw_hdcp_free_dma_areas()
348 	struct dw_hdcp *hdcp = container_of(hl_dev, struct dw_hdcp, hl_dev);  in dw_hdcp_alloc_dma_areas()  local
357 		dev_err(hdcp->dev, "hdcp don't support phys mem\n");  in dw_hdcp_alloc_dma_areas()
361 	hl_dev->code = dma_alloc_coherent(hdcp->dev, hl_dev->code_size,  in dw_hdcp_alloc_dma_areas()
366 	hl_dev->data = dma_alloc_coherent(hdcp->dev, hl_dev->data_size,  in dw_hdcp_alloc_dma_areas()
420 	struct dw_hdcp *hdcp;  in dw_hdcp_hld_ioctl()  local
428 	hdcp = container_of(misc_dev, struct dw_hdcp, misc_dev);  in dw_hdcp_hld_ioctl()
429 	hl_dev = &hdcp->hl_dev;  in dw_hdcp_hld_ioctl()
452 		return dw_hdcp_get_status(hdcp, data);  in dw_hdcp_hld_ioctl()
454 		return dw_hdcp_set_reset(hdcp, data);  in dw_hdcp_hld_ioctl()
464 	struct dw_hdcp *hdcp;  in dw_hdcp_hld_open()  local
468 	hdcp = container_of(misc_dev, struct dw_hdcp, misc_dev);  in dw_hdcp_hld_open()
469 	pm_runtime_get_sync(hdcp->dev);  in dw_hdcp_hld_open()
476 	struct dw_hdcp *hdcp;  in dw_hdcp_hld_release()  local
480 	hdcp = container_of(misc_dev, struct dw_hdcp, misc_dev);  in dw_hdcp_hld_release()
481 	pm_runtime_put(hdcp->dev);  in dw_hdcp_hld_release()
497 static int dw_hdcp_hld_init(struct dw_hdcp *hdcp, struct resource *res, void __iomem *base)  in dw_hdcp_hld_init()  argument
499 	hdcp->hl_dev.allocated = false;  in dw_hdcp_hld_init()
500 	hdcp->hl_dev.initialized = false;  in dw_hdcp_hld_init()
501 	hdcp->hl_dev.code_loaded = false;  in dw_hdcp_hld_init()
502 	hdcp->hl_dev.code = NULL;  in dw_hdcp_hld_init()
503 	hdcp->hl_dev.data = NULL;  in dw_hdcp_hld_init()
504 	hdcp->hl_dev.hpi_resource = res;  in dw_hdcp_hld_init()
505 	hdcp->hl_dev.hpi = base;  in dw_hdcp_hld_init()
507 	hdcp->misc_dev.name = devm_kasprintf(hdcp->dev, GFP_KERNEL, "hl_dev%d", hdcp->id);  in dw_hdcp_hld_init()
508 	if (!hdcp->misc_dev.name)  in dw_hdcp_hld_init()
510 	hdcp->misc_dev.minor = MISC_DYNAMIC_MINOR;  in dw_hdcp_hld_init()
511 	hdcp->misc_dev.fops = &dw_hdcp_hld_file_operations;  in dw_hdcp_hld_init()
513 	return misc_register(&hdcp->misc_dev);  in dw_hdcp_hld_init()
516 static void dw_hdcp_hld_exit(struct dw_hdcp *hdcp)  in dw_hdcp_hld_exit()  argument
518 	dw_hdcp_free_hl_dev_slot(&hdcp->hl_dev);  in dw_hdcp_hld_exit()
520 	misc_deregister(&hdcp->misc_dev);  in dw_hdcp_hld_exit()
526 	struct dw_hdcp *hdcp;  in dw_hdcp_probe()  local
531 	hdcp = devm_kzalloc(dev, sizeof(*hdcp), GFP_KERNEL);  in dw_hdcp_probe()
532 	if (!hdcp)  in dw_hdcp_probe()
544 	hdcp->id = id;  in dw_hdcp_probe()
545 	hdcp->dev = dev;  in dw_hdcp_probe()
547 	hdcp->vo_grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,vo-grf");  in dw_hdcp_probe()
548 	if (IS_ERR(hdcp->vo_grf)) {  in dw_hdcp_probe()
549 		dev_err(hdcp->dev, "Get vo-grf failed\n");  in dw_hdcp_probe()
553 	hdcp->rsts_bulk = devm_reset_control_array_get_exclusive(dev);  in dw_hdcp_probe()
554 	if (IS_ERR(hdcp->rsts_bulk)) {  in dw_hdcp_probe()
559 	hdcp->num_clks = devm_clk_bulk_get_all(dev, &hdcp->clks);  in dw_hdcp_probe()
560 	if (hdcp->num_clks < 1) {  in dw_hdcp_probe()
565 	ret = dw_hdcp_hld_init(hdcp, res, base);  in dw_hdcp_probe()
571 	platform_set_drvdata(pdev, hdcp);  in dw_hdcp_probe()
573 	pm_runtime_enable(hdcp->dev);  in dw_hdcp_probe()
580 	struct dw_hdcp *hdcp = platform_get_drvdata(pdev);  in dw_hdcp_remove()  local
582 	dw_hdcp_hld_exit(hdcp);  in dw_hdcp_remove()
584 	pm_runtime_disable(hdcp->dev);  in dw_hdcp_remove()
591 	struct dw_hdcp *hdcp = dev_get_drvdata(dev);  in dw_hdcp_runtime_suspend()  local
593 	hdcp->is_suspend = true;  in dw_hdcp_runtime_suspend()
594 	clk_bulk_disable_unprepare(hdcp->num_clks, hdcp->clks);  in dw_hdcp_runtime_suspend()
596 	dw_hdcp_free_hl(hdcp);  in dw_hdcp_runtime_suspend()
603 	struct dw_hdcp *hdcp = dev_get_drvdata(dev);  in dw_hdcp_runtime_resume()  local
606 	ret = clk_bulk_prepare_enable(hdcp->num_clks, hdcp->clks);  in dw_hdcp_runtime_resume()
610 	dw_hdcp_reset(hdcp);  in dw_hdcp_runtime_resume()
612 	hdcp->is_suspend = false;  in dw_hdcp_runtime_resume()