39 	struct starfive_cryp_dev *cryp = NULL, *tmp;  in starfive_cryp_find_dev()  local
42 	if (!ctx->cryp) {  in starfive_cryp_find_dev()
44 			cryp = tmp;  in starfive_cryp_find_dev()
47 		ctx->cryp = cryp;  in starfive_cryp_find_dev()
49 		cryp = ctx->cryp;  in starfive_cryp_find_dev()
54 	return cryp;  in starfive_cryp_find_dev()
64 static int starfive_dma_init(struct starfive_cryp_dev *cryp)  in starfive_dma_init()  argument
71 	cryp->tx = dma_request_chan(cryp->dev, "tx");  in starfive_dma_init()
72 	if (IS_ERR(cryp->tx))  in starfive_dma_init()
73 		return dev_err_probe(cryp->dev, PTR_ERR(cryp->tx),  in starfive_dma_init()
76 	cryp->rx = dma_request_chan(cryp->dev, "rx");  in starfive_dma_init()
77 	if (IS_ERR(cryp->rx)) {  in starfive_dma_init()
78 		dma_release_channel(cryp->tx);  in starfive_dma_init()
79 		return dev_err_probe(cryp->dev, PTR_ERR(cryp->rx),  in starfive_dma_init()
86 static void starfive_dma_cleanup(struct starfive_cryp_dev *cryp)  in starfive_dma_cleanup()  argument
88 	dma_release_channel(cryp->tx);  in starfive_dma_cleanup()
89 	dma_release_channel(cryp->rx);  in starfive_dma_cleanup()
96 	struct starfive_cryp_dev *cryp = (struct starfive_cryp_dev *)priv;  in starfive_cryp_irq()  local
98 	mask = readl(cryp->base + STARFIVE_IE_MASK_OFFSET);  in starfive_cryp_irq()
99 	status = readl(cryp->base + STARFIVE_IE_FLAG_OFFSET);  in starfive_cryp_irq()
102 		writel(mask, cryp->base + STARFIVE_IE_MASK_OFFSET);  in starfive_cryp_irq()
103 		tasklet_schedule(&cryp->aes_done);  in starfive_cryp_irq()
108 		writel(mask, cryp->base + STARFIVE_IE_MASK_OFFSET);  in starfive_cryp_irq()
109 		tasklet_schedule(&cryp->hash_done);  in starfive_cryp_irq()
114 		writel(mask, cryp->base + STARFIVE_IE_MASK_OFFSET);  in starfive_cryp_irq()
115 		complete(&cryp->pka_done);  in starfive_cryp_irq()
123 	struct starfive_cryp_dev *cryp;  in starfive_cryp_probe()  local
128 	cryp = devm_kzalloc(&pdev->dev, sizeof(*cryp), GFP_KERNEL);  in starfive_cryp_probe()
129 	if (!cryp)  in starfive_cryp_probe()
132 	platform_set_drvdata(pdev, cryp);  in starfive_cryp_probe()
133 	cryp->dev = &pdev->dev;  in starfive_cryp_probe()
135 	cryp->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);  in starfive_cryp_probe()
136 	if (IS_ERR(cryp->base))  in starfive_cryp_probe()
137 		return dev_err_probe(&pdev->dev, PTR_ERR(cryp->base),  in starfive_cryp_probe()
140 	tasklet_init(&cryp->aes_done, starfive_aes_done_task, (unsigned long)cryp);  in starfive_cryp_probe()
141 	tasklet_init(&cryp->hash_done, starfive_hash_done_task, (unsigned long)cryp);  in starfive_cryp_probe()
143 	cryp->phys_base = res->start;  in starfive_cryp_probe()
144 	cryp->dma_maxburst = 32;  in starfive_cryp_probe()
145 	cryp->side_chan = side_chan;  in starfive_cryp_probe()
147 	cryp->hclk = devm_clk_get(&pdev->dev, "hclk");  in starfive_cryp_probe()
148 	if (IS_ERR(cryp->hclk))  in starfive_cryp_probe()
149 		return dev_err_probe(&pdev->dev, PTR_ERR(cryp->hclk),  in starfive_cryp_probe()
152 	cryp->ahb = devm_clk_get(&pdev->dev, "ahb");  in starfive_cryp_probe()
153 	if (IS_ERR(cryp->ahb))  in starfive_cryp_probe()
154 		return dev_err_probe(&pdev->dev, PTR_ERR(cryp->ahb),  in starfive_cryp_probe()
157 	cryp->rst = devm_reset_control_get_shared(cryp->dev, NULL);  in starfive_cryp_probe()
158 	if (IS_ERR(cryp->rst))  in starfive_cryp_probe()
159 		return dev_err_probe(&pdev->dev, PTR_ERR(cryp->rst),  in starfive_cryp_probe()
162 	init_completion(&cryp->pka_done);  in starfive_cryp_probe()
169 			       (void *)cryp);  in starfive_cryp_probe()
174 	clk_prepare_enable(cryp->hclk);  in starfive_cryp_probe()
175 	clk_prepare_enable(cryp->ahb);  in starfive_cryp_probe()
176 	reset_control_deassert(cryp->rst);  in starfive_cryp_probe()
179 	list_add(&cryp->list, &dev_list.dev_list);  in starfive_cryp_probe()
182 	ret = starfive_dma_init(cryp);  in starfive_cryp_probe()
191 	cryp->engine = crypto_engine_alloc_init(&pdev->dev, 1);  in starfive_cryp_probe()
192 	if (!cryp->engine) {  in starfive_cryp_probe()
197 	ret = crypto_engine_start(cryp->engine);  in starfive_cryp_probe()
220 	crypto_engine_stop(cryp->engine);  in starfive_cryp_probe()
222 	crypto_engine_exit(cryp->engine);  in starfive_cryp_probe()
224 	starfive_dma_cleanup(cryp);  in starfive_cryp_probe()
227 	list_del(&cryp->list);  in starfive_cryp_probe()
230 	clk_disable_unprepare(cryp->hclk);  in starfive_cryp_probe()
231 	clk_disable_unprepare(cryp->ahb);  in starfive_cryp_probe()
232 	reset_control_assert(cryp->rst);  in starfive_cryp_probe()
234 	tasklet_kill(&cryp->aes_done);  in starfive_cryp_probe()
235 	tasklet_kill(&cryp->hash_done);  in starfive_cryp_probe()
242 	struct starfive_cryp_dev *cryp = platform_get_drvdata(pdev);  in starfive_cryp_remove()  local
248 	tasklet_kill(&cryp->aes_done);  in starfive_cryp_remove()
249 	tasklet_kill(&cryp->hash_done);  in starfive_cryp_remove()
251 	crypto_engine_stop(cryp->engine);  in starfive_cryp_remove()
252 	crypto_engine_exit(cryp->engine);  in starfive_cryp_remove()
254 	starfive_dma_cleanup(cryp);  in starfive_cryp_remove()
257 	list_del(&cryp->list);  in starfive_cryp_remove()
260 	clk_disable_unprepare(cryp->hclk);  in starfive_cryp_remove()
261 	clk_disable_unprepare(cryp->ahb);  in starfive_cryp_remove()
262 	reset_control_assert(cryp->rst);  in starfive_cryp_remove()