crypto/amlogic/amlogic-gxl-core.c

27 	struct meson_dev *mc = (struct meson_dev *)data;
32 		if (mc->irqs[flow] == irq) {
33 			p = readl(mc->base + ((0x04 + flow) << 2));
35 				writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2));
36 				mc->chanlist[flow].status = 1;
37 				complete(&mc->chanlist[flow].complete);
40 			dev_err(mc->dev, "%s %d Got irq for flow %d but ctrl is empty\n", __func__, irq, flow);
44 	dev_err(mc->dev, "%s %d from unknown irq\n", __func__, irq);
110 	struct meson_dev *mc __maybe_unused = seq->private;
116 			   mc->chanlist[i].stat_req);
139 static void meson_free_chanlist(struct meson_dev *mc, int i)
142 		crypto_engine_exit(mc->chanlist[i].engine);
143 		if (mc->chanlist[i].tl)
144 			dma_free_coherent(mc->dev, sizeof(struct meson_desc) * MAXDESC,
145 					  mc->chanlist[i].tl,
146 					  mc->chanlist[i].t_phy);
154 static int meson_allocate_chanlist(struct meson_dev *mc)
158 	mc->chanlist = devm_kcalloc(mc->dev, MAXFLOW,
160 	if (!mc->chanlist)
164 		init_completion(&mc->chanlist[i].complete);
166 		mc->chanlist[i].engine = crypto_engine_alloc_init(mc->dev, true);
167 		if (!mc->chanlist[i].engine) {
168 			dev_err(mc->dev, "Cannot allocate engine\n");
173 		err = crypto_engine_start(mc->chanlist[i].engine);
175 			dev_err(mc->dev, "Cannot start engine\n");
178 		mc->chanlist[i].tl = dma_alloc_coherent(mc->dev,
180 							&mc->chanlist[i].t_phy,
182 		if (!mc->chanlist[i].tl) {
189 	meson_free_chanlist(mc, i);
193 static int meson_register_algs(struct meson_dev *mc)
198 		mc_algs[i].mc = mc;
203 				dev_err(mc->dev, "Fail to register %s\n",
205 				mc_algs[i].mc = NULL;
215 static void meson_unregister_algs(struct meson_dev *mc)
220 		if (!mc_algs[i].mc)
232 	struct meson_dev *mc;
235 	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);
236 	if (!mc)
239 	mc->dev = &pdev->dev;
240 	platform_set_drvdata(pdev, mc);
242 	mc->base = devm_platform_ioremap_resource(pdev, 0);
243 	if (IS_ERR(mc->base)) {
244 		err = PTR_ERR(mc->base);
248 	mc->busclk = devm_clk_get(&pdev->dev, "blkmv");
249 	if (IS_ERR(mc->busclk)) {
250 		err = PTR_ERR(mc->busclk);
256 		mc->irqs[i] = platform_get_irq(pdev, i);
257 		if (mc->irqs[i] < 0)
258 			return mc->irqs[i];
260 		err = devm_request_irq(&pdev->dev, mc->irqs[i], meson_irq_handler, 0,
261 				       "gxl-crypto", mc);
263 			dev_err(mc->dev, "Cannot request IRQ for flow %d\n", i);
268 	err = clk_prepare_enable(mc->busclk);
274 	err = meson_allocate_chanlist(mc);
278 	err = meson_register_algs(mc);
286 		debugfs_create_file("stats", 0444, dbgfs_dir, mc, &meson_debugfs_fops);
289 		mc->dbgfs_dir = dbgfs_dir;
295 	meson_unregister_algs(mc);
297 	meson_free_chanlist(mc, MAXFLOW - 1);
298 	clk_disable_unprepare(mc->busclk);
304 	struct meson_dev *mc = platform_get_drvdata(pdev);
307 	debugfs_remove_recursive(mc->dbgfs_dir);
310 	meson_unregister_algs(mc);
312 	meson_free_chanlist(mc, MAXFLOW - 1);
314 	clk_disable_unprepare(mc->busclk);