Lines Matching defs:lpc_snoop

133 	struct aspeed_lpc_snoop *lpc_snoop = arg;
136 	if (regmap_read(lpc_snoop->regmap, HICR6, &reg))
145 	regmap_write(lpc_snoop->regmap, HICR6, reg);
148 	regmap_read(lpc_snoop->regmap, SNPWDR, &data);
153 		put_fifo_with_discard(&lpc_snoop->chan[0], val);
158 		put_fifo_with_discard(&lpc_snoop->chan[1], val);
164 static int aspeed_lpc_snoop_config_irq(struct aspeed_lpc_snoop *lpc_snoop,
170 	lpc_snoop->irq = platform_get_irq(pdev, 0);
171 	if (!lpc_snoop->irq)
174 	rc = devm_request_irq(dev, lpc_snoop->irq,
176 			      DEVICE_NAME, lpc_snoop);
178 		dev_warn(dev, "Unable to request IRQ %d\n", lpc_snoop->irq);
179 		lpc_snoop->irq = 0;
186 static int aspeed_lpc_enable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
195 	init_waitqueue_head(&lpc_snoop->chan[channel].wq);
197 	rc = kfifo_alloc(&lpc_snoop->chan[channel].fifo,
202 	lpc_snoop->chan[channel].miscdev.minor = MISC_DYNAMIC_MINOR;
203 	lpc_snoop->chan[channel].miscdev.name =
205 	lpc_snoop->chan[channel].miscdev.fops = &snoop_fops;
206 	lpc_snoop->chan[channel].miscdev.parent = dev;
207 	rc = misc_register(&lpc_snoop->chan[channel].miscdev);
229 	regmap_update_bits(lpc_snoop->regmap, HICR5, hicr5_en, hicr5_en);
230 	regmap_update_bits(lpc_snoop->regmap, SNPWADR, snpwadr_mask,
233 		regmap_update_bits(lpc_snoop->regmap, HICRB,
239 static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
244 		regmap_update_bits(lpc_snoop->regmap, HICR5,
249 		regmap_update_bits(lpc_snoop->regmap, HICR5,
257 	kfifo_free(&lpc_snoop->chan[channel].fifo);
258 	misc_deregister(&lpc_snoop->chan[channel].miscdev);
263 	struct aspeed_lpc_snoop *lpc_snoop;
270 	lpc_snoop = devm_kzalloc(dev, sizeof(*lpc_snoop), GFP_KERNEL);
271 	if (!lpc_snoop)
274 	lpc_snoop->regmap = syscon_node_to_regmap(
276 	if (IS_ERR(lpc_snoop->regmap)) {
281 	dev_set_drvdata(&pdev->dev, lpc_snoop);
289 	lpc_snoop->clk = devm_clk_get(dev, NULL);
290 	if (IS_ERR(lpc_snoop->clk)) {
291 		rc = PTR_ERR(lpc_snoop->clk);
296 	rc = clk_prepare_enable(lpc_snoop->clk);
302 	rc = aspeed_lpc_snoop_config_irq(lpc_snoop, pdev);
306 	rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 0, port);
313 		rc = aspeed_lpc_enable_snoop(lpc_snoop, dev, 1, port);
315 			aspeed_lpc_disable_snoop(lpc_snoop, 0);
323 	clk_disable_unprepare(lpc_snoop->clk);
330 	struct aspeed_lpc_snoop *lpc_snoop = dev_get_drvdata(&pdev->dev);
333 	aspeed_lpc_disable_snoop(lpc_snoop, 0);
334 	aspeed_lpc_disable_snoop(lpc_snoop, 1);
336 	clk_disable_unprepare(lpc_snoop->clk);