106 static struct intel_scu_ipc_dev  ipcdev; /* Only one for now */  variable
128 	if (ipcdev.irq_mode) {  in ipc_command()
129 		reinit_completion(&ipcdev.cmd_complete);  in ipc_command()
130 		writel(cmd | IPC_IOC, ipcdev.ipc_base);  in ipc_command()
132 	writel(cmd, ipcdev.ipc_base);  in ipc_command()
142 	writel(data, ipcdev.ipc_base + 0x80 + offset);  in ipc_data_writel()
154 	return __raw_readl(ipcdev.ipc_base + 0x04);  in ipc_read_status()
159 	return readb(ipcdev.ipc_base + IPC_READ_BUFFER + offset);  in ipc_data_readb()
164 	return readl(ipcdev.ipc_base + IPC_READ_BUFFER + offset);  in ipc_data_readl()
180 		dev_err(&ipcdev.pdev->dev, "IPC timed out");  in busy_loop()
195 	if (!wait_for_completion_timeout(&ipcdev.cmd_complete, 3 * HZ)) {  in ipc_wait_for_interrupt()
196 		struct device *dev = &ipcdev.pdev->dev;  in ipc_wait_for_interrupt()
210 	return ipcdev.irq_mode ? ipc_wait_for_interrupt() : busy_loop();  in intel_scu_ipc_check_status()
226 	if (ipcdev.pdev == NULL) {  in pwr_reg_rdwr()
256 		memcpy_fromio(cbuf, ipcdev.ipc_base + 0x90, 16);  in pwr_reg_rdwr()
442 	if (ipcdev.pdev == NULL) {  in intel_scu_ipc_simple_command()
471 	if (ipcdev.pdev == NULL) {  in intel_scu_ipc_command()
513 	if (ipcdev.pdev == NULL) {  in intel_scu_ipc_i2c_cntrl()
519 		writel(addr, ipcdev.i2c_base + IPC_I2C_CNTRL_ADDR);  in intel_scu_ipc_i2c_cntrl()
522 		*data = readl(ipcdev.i2c_base + I2C_DATA_ADDR);  in intel_scu_ipc_i2c_cntrl()
524 		writel(*data, ipcdev.i2c_base + I2C_DATA_ADDR);  in intel_scu_ipc_i2c_cntrl()
526 		writel(addr, ipcdev.i2c_base + IPC_I2C_CNTRL_ADDR);  in intel_scu_ipc_i2c_cntrl()
528 		dev_err(&ipcdev.pdev->dev,  in intel_scu_ipc_i2c_cntrl()
548 	if (ipcdev.irq_mode)  in ioc()
549 		complete(&ipcdev.cmd_complete);  in ioc()
568 	if (ipcdev.pdev)		/* We support only one SCU */  in ipc_probe()
573 	ipcdev.pdev = pci_dev_get(dev);  in ipc_probe()
574 	ipcdev.irq_mode = pdata->irq_mode;  in ipc_probe()
588 	init_completion(&ipcdev.cmd_complete);  in ipc_probe()
590 	if (request_irq(dev->irq, ioc, 0, "intel_scu_ipc", &ipcdev))  in ipc_probe()
593 	ipcdev.ipc_base = ioremap_nocache(base, pci_resource_len(dev, 0));  in ipc_probe()
594 	if (!ipcdev.ipc_base)  in ipc_probe()
597 	ipcdev.i2c_base = ioremap_nocache(pdata->i2c_base, pdata->i2c_len);  in ipc_probe()
598 	if (!ipcdev.i2c_base) {  in ipc_probe()
599 		iounmap(ipcdev.ipc_base);  in ipc_probe()
620 	free_irq(pdev->irq, &ipcdev);  in ipc_remove()
622 	pci_dev_put(ipcdev.pdev);  in ipc_remove()
623 	iounmap(ipcdev.ipc_base);  in ipc_remove()
624 	iounmap(ipcdev.i2c_base);  in ipc_remove()
625 	ipcdev.pdev = NULL;  in ipc_remove()