86 	int (*read)(struct cros_ec_lpc *ec_lpc, unsigned int offset,
88 	int (*write)(struct cros_ec_lpc *ec_lpc, unsigned int offset,
134 static int cros_ec_lpc_mec_read_bytes(struct cros_ec_lpc *ec_lpc, unsigned int offset,  in cros_ec_lpc_mec_read_bytes()  argument
146 		cros_ec_lpc_read_bytes(ec_lpc, offset, length, dest);  in cros_ec_lpc_mec_read_bytes()
153 static int cros_ec_lpc_mec_write_bytes(struct cros_ec_lpc *ec_lpc, unsigned int offset,  in cros_ec_lpc_mec_write_bytes()  argument
165 		cros_ec_lpc_write_bytes(ec_lpc, offset, length, msg);  in cros_ec_lpc_mec_write_bytes()
168 static int cros_ec_lpc_direct_read(struct cros_ec_lpc *ec_lpc, unsigned int offset,  in cros_ec_lpc_direct_read()  argument
176 		return cros_ec_lpc_read_bytes(ec_lpc, offset, length, dest);  in cros_ec_lpc_direct_read()
180 		dest[i] = readb(ec_lpc->base + offset - EC_HOST_CMD_REGION0 + i);  in cros_ec_lpc_direct_read()
188 static int cros_ec_lpc_direct_write(struct cros_ec_lpc *ec_lpc, unsigned int offset,  in cros_ec_lpc_direct_write()  argument
196 		return cros_ec_lpc_write_bytes(ec_lpc, offset, length, msg);  in cros_ec_lpc_direct_write()
200 		writeb(msg[i], ec_lpc->base + offset - EC_HOST_CMD_REGION0 + i);  in cros_ec_lpc_direct_write()
208 static int ec_response_timed_out(struct cros_ec_lpc *ec_lpc)  in ec_response_timed_out()  argument
216 		ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_CMD, 1, &data);  in ec_response_timed_out()
230 	struct cros_ec_lpc *ec_lpc = ec->priv;  in cros_ec_pkt_xfer_lpc()  local
241 	ret = ec_lpc->write(ec_lpc, EC_LPC_ADDR_HOST_PACKET, ret, ec->dout);  in cros_ec_pkt_xfer_lpc()
247 	ret = ec_lpc->write(ec_lpc, EC_LPC_ADDR_HOST_CMD, 1, &sum);  in cros_ec_pkt_xfer_lpc()
251 	ret = ec_response_timed_out(ec_lpc);  in cros_ec_pkt_xfer_lpc()
261 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_DATA, 1, &sum);  in cros_ec_pkt_xfer_lpc()
271 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_PACKET, sizeof(response),  in cros_ec_pkt_xfer_lpc()
288 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_PACKET +  in cros_ec_pkt_xfer_lpc()
312 	struct cros_ec_lpc *ec_lpc = ec->priv;  in cros_ec_cmd_xfer_lpc()  local
334 	ret = ec_lpc->write(ec_lpc, EC_LPC_ADDR_HOST_PARAM, msg->outsize,  in cros_ec_cmd_xfer_lpc()
342 	ret = ec_lpc->write(ec_lpc, EC_LPC_ADDR_HOST_ARGS, sizeof(args),  in cros_ec_cmd_xfer_lpc()
349 	ret = ec_lpc->write(ec_lpc, EC_LPC_ADDR_HOST_CMD, 1, &sum);  in cros_ec_cmd_xfer_lpc()
353 	ret = ec_response_timed_out(ec_lpc);  in cros_ec_cmd_xfer_lpc()
363 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_DATA, 1, &sum);  in cros_ec_cmd_xfer_lpc()
372 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_ARGS, sizeof(args), (u8 *)&args);  in cros_ec_cmd_xfer_lpc()
388 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_HOST_PARAM, args.data_size,  in cros_ec_cmd_xfer_lpc()
413 	struct cros_ec_lpc *ec_lpc = ec->priv;  in cros_ec_lpc_readmem()  local
424 		ret = ec_lpc->read(ec_lpc, ec_lpc->mmio_memory_base + offset, bytes, s);  in cros_ec_lpc_readmem()
432 		ret = ec_lpc->read(ec_lpc, ec_lpc->mmio_memory_base + i, 1, s);  in cros_ec_lpc_readmem()
498 	struct cros_ec_lpc *ec_lpc = data;  in cros_ec_lpc_resources()  local
502 		ec_lpc->mem32 = res->data.fixed_memory32;  in cros_ec_lpc_resources()
516 	struct cros_ec_lpc *ec_lpc;  in cros_ec_lpc_probe()  local
522 	ec_lpc = devm_kzalloc(dev, sizeof(*ec_lpc), GFP_KERNEL);  in cros_ec_lpc_probe()
523 	if (!ec_lpc)  in cros_ec_lpc_probe()
526 	ec_lpc->mmio_memory_base = EC_LPC_ADDR_MEMMAP;  in cros_ec_lpc_probe()
536 			ec_lpc->mmio_memory_base = driver_data->quirk_mmio_memory_base;  in cros_ec_lpc_probe()
564 					     cros_ec_lpc_resources, ec_lpc);  in cros_ec_lpc_probe()
565 		if (ACPI_SUCCESS(status) && ec_lpc->mem32.address_length) {  in cros_ec_lpc_probe()
566 			ec_lpc->base = devm_ioremap(dev,  in cros_ec_lpc_probe()
567 						    ec_lpc->mem32.address,  in cros_ec_lpc_probe()
568 						    ec_lpc->mem32.address_length);  in cros_ec_lpc_probe()
569 			if (!ec_lpc->base)  in cros_ec_lpc_probe()
572 			ec_lpc->read = cros_ec_lpc_direct_read;  in cros_ec_lpc_probe()
573 			ec_lpc->write = cros_ec_lpc_direct_write;  in cros_ec_lpc_probe()
576 	if (!ec_lpc->read) {  in cros_ec_lpc_probe()
597 		ec_lpc->read = cros_ec_lpc_mec_read_bytes;  in cros_ec_lpc_probe()
598 		ec_lpc->write = cros_ec_lpc_mec_write_bytes;  in cros_ec_lpc_probe()
600 	ret = ec_lpc->read(ec_lpc, EC_LPC_ADDR_MEMMAP + EC_MEMMAP_ID, 2, buf);  in cros_ec_lpc_probe()
604 		if (!devm_request_region(dev, ec_lpc->mmio_memory_base, EC_MEMMAP_SIZE,  in cros_ec_lpc_probe()
611 		ec_lpc->read = cros_ec_lpc_read_bytes;  in cros_ec_lpc_probe()
612 		ec_lpc->write = cros_ec_lpc_write_bytes;  in cros_ec_lpc_probe()
613 		ret = ec_lpc->read(ec_lpc, ec_lpc->mmio_memory_base + EC_MEMMAP_ID, 2,  in cros_ec_lpc_probe()
649 	ec_dev->priv = ec_lpc;  in cros_ec_lpc_probe()