29 static void qce_unregister_algs(struct qce_device *qce)  in qce_unregister_algs()  argument
36 		ops->unregister_algs(qce);  in qce_unregister_algs()
40 static int qce_register_algs(struct qce_device *qce)  in qce_register_algs()  argument
47 		ret = ops->register_algs(qce);  in qce_register_algs()
72 static int qce_handle_queue(struct qce_device *qce,  in qce_handle_queue()  argument
79 	spin_lock_irqsave(&qce->lock, flags);  in qce_handle_queue()
82 		ret = crypto_enqueue_request(&qce->queue, req);  in qce_handle_queue()
85 	if (qce->req) {  in qce_handle_queue()
86 		spin_unlock_irqrestore(&qce->lock, flags);  in qce_handle_queue()
90 	backlog = crypto_get_backlog(&qce->queue);  in qce_handle_queue()
91 	async_req = crypto_dequeue_request(&qce->queue);  in qce_handle_queue()
93 		qce->req = async_req;  in qce_handle_queue()
95 	spin_unlock_irqrestore(&qce->lock, flags);  in qce_handle_queue()
101 		spin_lock_bh(&qce->lock);  in qce_handle_queue()
103 		spin_unlock_bh(&qce->lock);  in qce_handle_queue()
108 		qce->result = err;  in qce_handle_queue()
109 		tasklet_schedule(&qce->done_tasklet);  in qce_handle_queue()
117 	struct qce_device *qce = (struct qce_device *)data;  in qce_tasklet_req_done()  local
121 	spin_lock_irqsave(&qce->lock, flags);  in qce_tasklet_req_done()
122 	req = qce->req;  in qce_tasklet_req_done()
123 	qce->req = NULL;  in qce_tasklet_req_done()
124 	spin_unlock_irqrestore(&qce->lock, flags);  in qce_tasklet_req_done()
127 		req->complete(req, qce->result);  in qce_tasklet_req_done()
129 	qce_handle_queue(qce, NULL);  in qce_tasklet_req_done()
132 static int qce_async_request_enqueue(struct qce_device *qce,  in qce_async_request_enqueue()  argument
135 	return qce_handle_queue(qce, req);  in qce_async_request_enqueue()
138 static void qce_async_request_done(struct qce_device *qce, int ret)  in qce_async_request_done()  argument
140 	qce->result = ret;  in qce_async_request_done()
141 	tasklet_schedule(&qce->done_tasklet);  in qce_async_request_done()
144 static int qce_check_version(struct qce_device *qce)  in qce_check_version()  argument
148 	qce_get_version(qce, &major, &minor, &step);  in qce_check_version()
157 	qce->burst_size = QCE_BAM_BURST_SIZE;  in qce_check_version()
158 	qce->pipe_pair_id = 1;  in qce_check_version()
160 	dev_dbg(qce->dev, "Crypto device found, version %d.%d.%d\n",  in qce_check_version()
169 	struct qce_device *qce;  in qce_crypto_probe()  local
172 	qce = devm_kzalloc(dev, sizeof(*qce), GFP_KERNEL);  in qce_crypto_probe()
173 	if (!qce)  in qce_crypto_probe()
176 	qce->dev = dev;  in qce_crypto_probe()
177 	platform_set_drvdata(pdev, qce);  in qce_crypto_probe()
179 	qce->base = devm_platform_ioremap_resource(pdev, 0);  in qce_crypto_probe()
180 	if (IS_ERR(qce->base))  in qce_crypto_probe()
181 		return PTR_ERR(qce->base);  in qce_crypto_probe()
187 	qce->core = devm_clk_get(qce->dev, "core");  in qce_crypto_probe()
188 	if (IS_ERR(qce->core))  in qce_crypto_probe()
189 		return PTR_ERR(qce->core);  in qce_crypto_probe()
191 	qce->iface = devm_clk_get(qce->dev, "iface");  in qce_crypto_probe()
192 	if (IS_ERR(qce->iface))  in qce_crypto_probe()
193 		return PTR_ERR(qce->iface);  in qce_crypto_probe()
195 	qce->bus = devm_clk_get(qce->dev, "bus");  in qce_crypto_probe()
196 	if (IS_ERR(qce->bus))  in qce_crypto_probe()
197 		return PTR_ERR(qce->bus);  in qce_crypto_probe()
199 	ret = clk_prepare_enable(qce->core);  in qce_crypto_probe()
203 	ret = clk_prepare_enable(qce->iface);  in qce_crypto_probe()
207 	ret = clk_prepare_enable(qce->bus);  in qce_crypto_probe()
211 	ret = qce_dma_request(qce->dev, &qce->dma);  in qce_crypto_probe()
215 	ret = qce_check_version(qce);  in qce_crypto_probe()
219 	spin_lock_init(&qce->lock);  in qce_crypto_probe()
220 	tasklet_init(&qce->done_tasklet, qce_tasklet_req_done,  in qce_crypto_probe()
221 		     (unsigned long)qce);  in qce_crypto_probe()
222 	crypto_init_queue(&qce->queue, QCE_QUEUE_LENGTH);  in qce_crypto_probe()
224 	qce->async_req_enqueue = qce_async_request_enqueue;  in qce_crypto_probe()
225 	qce->async_req_done = qce_async_request_done;  in qce_crypto_probe()
227 	ret = qce_register_algs(qce);  in qce_crypto_probe()
234 	qce_dma_release(&qce->dma);  in qce_crypto_probe()
236 	clk_disable_unprepare(qce->bus);  in qce_crypto_probe()
238 	clk_disable_unprepare(qce->iface);  in qce_crypto_probe()
240 	clk_disable_unprepare(qce->core);  in qce_crypto_probe()
246 	struct qce_device *qce = platform_get_drvdata(pdev);  in qce_crypto_remove()  local
248 	tasklet_kill(&qce->done_tasklet);  in qce_crypto_remove()
249 	qce_unregister_algs(qce);  in qce_crypto_remove()
250 	qce_dma_release(&qce->dma);  in qce_crypto_remove()
251 	clk_disable_unprepare(qce->bus);  in qce_crypto_remove()
252 	clk_disable_unprepare(qce->iface);  in qce_crypto_remove()
253 	clk_disable_unprepare(qce->core);  in qce_crypto_remove()