101 static int hisi_lpc_target_in(struct hisi_lpc_dev *lpcdev,  in hisi_lpc_target_in()  argument
110 	if (!buf || !opcnt || !para || !para->csize || !lpcdev)  in hisi_lpc_target_in()
121 	spin_lock_irqsave(&lpcdev->cycle_lock, flags);  in hisi_lpc_target_in()
123 	writel_relaxed(opcnt, lpcdev->membase + LPC_REG_OP_LEN);  in hisi_lpc_target_in()
124 	writel_relaxed(cmd_word, lpcdev->membase + LPC_REG_CMD);  in hisi_lpc_target_in()
125 	writel_relaxed(addr, lpcdev->membase + LPC_REG_ADDR);  in hisi_lpc_target_in()
128 	       lpcdev->membase + LPC_REG_STARTUP_SIGNAL);  in hisi_lpc_target_in()
131 	ret = wait_lpc_idle(lpcdev->membase, waitcnt);  in hisi_lpc_target_in()
133 		spin_unlock_irqrestore(&lpcdev->cycle_lock, flags);  in hisi_lpc_target_in()
137 	readsb(lpcdev->membase + LPC_REG_RDATA, buf, opcnt);  in hisi_lpc_target_in()
139 	spin_unlock_irqrestore(&lpcdev->cycle_lock, flags);  in hisi_lpc_target_in()
154 static int hisi_lpc_target_out(struct hisi_lpc_dev *lpcdev,  in hisi_lpc_target_out()  argument
163 	if (!buf || !opcnt || !para || !lpcdev)  in hisi_lpc_target_out()
174 	spin_lock_irqsave(&lpcdev->cycle_lock, flags);  in hisi_lpc_target_out()
176 	writel_relaxed(opcnt, lpcdev->membase + LPC_REG_OP_LEN);  in hisi_lpc_target_out()
177 	writel_relaxed(cmd_word, lpcdev->membase + LPC_REG_CMD);  in hisi_lpc_target_out()
178 	writel_relaxed(addr, lpcdev->membase + LPC_REG_ADDR);  in hisi_lpc_target_out()
180 	writesb(lpcdev->membase + LPC_REG_WDATA, buf, opcnt);  in hisi_lpc_target_out()
183 	       lpcdev->membase + LPC_REG_STARTUP_SIGNAL);  in hisi_lpc_target_out()
186 	ret = wait_lpc_idle(lpcdev->membase, waitcnt);  in hisi_lpc_target_out()
188 	spin_unlock_irqrestore(&lpcdev->cycle_lock, flags);  in hisi_lpc_target_out()
193 static unsigned long hisi_lpc_pio_to_addr(struct hisi_lpc_dev *lpcdev,  in hisi_lpc_pio_to_addr()  argument
196 	return pio - lpcdev->io_host->io_start + lpcdev->io_host->hw_start;  in hisi_lpc_pio_to_addr()
209 	struct hisi_lpc_dev *lpcdev = hostdata;  in hisi_lpc_comm_in()  local
215 	if (!lpcdev || !dwidth || dwidth > LPC_MAX_DWIDTH)  in hisi_lpc_comm_in()
218 	addr = hisi_lpc_pio_to_addr(lpcdev, pio);  in hisi_lpc_comm_in()
223 	ret = hisi_lpc_target_in(lpcdev, &iopara, addr,  in hisi_lpc_comm_in()
243 	struct hisi_lpc_dev *lpcdev = hostdata;  in hisi_lpc_comm_out()  local
249 	if (!lpcdev || !dwidth || dwidth > LPC_MAX_DWIDTH)  in hisi_lpc_comm_out()
253 	addr = hisi_lpc_pio_to_addr(lpcdev, pio);  in hisi_lpc_comm_out()
258 	hisi_lpc_target_out(lpcdev, &iopara, addr, buf, dwidth);  in hisi_lpc_comm_out()
275 	struct hisi_lpc_dev *lpcdev = hostdata;  in hisi_lpc_comm_ins()  local
280 	if (!lpcdev || !buf || !count || !dwidth || dwidth > LPC_MAX_DWIDTH)  in hisi_lpc_comm_ins()
288 	addr = hisi_lpc_pio_to_addr(lpcdev, pio);  in hisi_lpc_comm_ins()
293 		ret = hisi_lpc_target_in(lpcdev, &iopara, addr, buf, dwidth);  in hisi_lpc_comm_ins()
314 	struct hisi_lpc_dev *lpcdev = hostdata;  in hisi_lpc_comm_outs()  local
319 	if (!lpcdev || !buf || !count || !dwidth || dwidth > LPC_MAX_DWIDTH)  in hisi_lpc_comm_outs()
327 	addr = hisi_lpc_pio_to_addr(lpcdev, pio);  in hisi_lpc_comm_outs()
329 		if (hisi_lpc_target_out(lpcdev, &iopara, addr, buf, dwidth))  in hisi_lpc_comm_outs()
610 	struct hisi_lpc_dev *lpcdev;  in hisi_lpc_probe()  local
614 	lpcdev = devm_kzalloc(dev, sizeof(*lpcdev), GFP_KERNEL);  in hisi_lpc_probe()
615 	if (!lpcdev)  in hisi_lpc_probe()
618 	spin_lock_init(&lpcdev->cycle_lock);  in hisi_lpc_probe()
620 	lpcdev->membase = devm_platform_ioremap_resource(pdev, 0);  in hisi_lpc_probe()
621 	if (IS_ERR(lpcdev->membase))  in hisi_lpc_probe()
622 		return PTR_ERR(lpcdev->membase);  in hisi_lpc_probe()
631 	range->hostdata = lpcdev;  in hisi_lpc_probe()
633 	lpcdev->io_host = range;  in hisi_lpc_probe()
651 	dev_set_drvdata(dev, lpcdev);  in hisi_lpc_probe()
653 	io_end = lpcdev->io_host->io_start + lpcdev->io_host->size;  in hisi_lpc_probe()
655 		 &lpcdev->io_host->io_start, &io_end);  in hisi_lpc_probe()
663 	struct hisi_lpc_dev *lpcdev = dev_get_drvdata(dev);  in hisi_lpc_remove()  local
664 	struct logic_pio_hwaddr *range = lpcdev->io_host;  in hisi_lpc_remove()