71 	void (*setup)(struct lpss_private_data *pdata);
91 static void lpss_uart_setup(struct lpss_private_data *pdata)  in lpss_uart_setup()  argument
96 	offset = pdata->dev_desc->prv_offset + LPSS_TX_INT;  in lpss_uart_setup()
97 	val = readl(pdata->mmio_base + offset);  in lpss_uart_setup()
98 	writel(val | LPSS_TX_INT_MASK, pdata->mmio_base + offset);  in lpss_uart_setup()
100 	val = readl(pdata->mmio_base + LPSS_UART_CPR);  in lpss_uart_setup()
102 		offset = pdata->dev_desc->prv_offset + LPSS_GENERAL;  in lpss_uart_setup()
103 		val = readl(pdata->mmio_base + offset);  in lpss_uart_setup()
105 		writel(val, pdata->mmio_base + offset);  in lpss_uart_setup()
109 static void lpss_deassert_reset(struct lpss_private_data *pdata)  in lpss_deassert_reset()  argument
114 	offset = pdata->dev_desc->prv_offset + LPSS_RESETS;  in lpss_deassert_reset()
115 	val = readl(pdata->mmio_base + offset);  in lpss_deassert_reset()
117 	writel(val, pdata->mmio_base + offset);  in lpss_deassert_reset()
122 static void byt_i2c_setup(struct lpss_private_data *pdata)  in byt_i2c_setup()  argument
124 	lpss_deassert_reset(pdata);  in byt_i2c_setup()
126 	if (readl(pdata->mmio_base + pdata->dev_desc->prv_offset))  in byt_i2c_setup()
127 		pdata->fixed_clk_rate = 133000000;  in byt_i2c_setup()
129 	writel(0, pdata->mmio_base + LPSS_I2C_ENABLE);  in byt_i2c_setup()
274 				 struct lpss_private_data *pdata)  in register_device_clock()  argument
276 	const struct lpss_device_desc *dev_desc = pdata->dev_desc;  in register_device_clock()
291 	if (!pdata->mmio_base  in register_device_clock()
292 	    || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE)  in register_device_clock()
296 	prv_base = pdata->mmio_base + dev_desc->prv_offset;  in register_device_clock()
298 	if (pdata->fixed_clk_rate) {  in register_device_clock()
300 					      pdata->fixed_clk_rate);  in register_device_clock()
338 	pdata->clk = clk;  in register_device_clock()
347 	struct lpss_private_data *pdata;  in acpi_lpss_create_device()  local
358 	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);  in acpi_lpss_create_device()
359 	if (!pdata)  in acpi_lpss_create_device()
370 				pdata->mmio_size = dev_desc->prv_size_override;  in acpi_lpss_create_device()
372 				pdata->mmio_size = resource_size(rentry->res);  in acpi_lpss_create_device()
373 			pdata->mmio_base = ioremap(rentry->res->start,  in acpi_lpss_create_device()
374 						   pdata->mmio_size);  in acpi_lpss_create_device()
380 	if (!pdata->mmio_base) {  in acpi_lpss_create_device()
385 	pdata->dev_desc = dev_desc;  in acpi_lpss_create_device()
388 		dev_desc->setup(pdata);  in acpi_lpss_create_device()
391 		ret = register_device_clock(adev, pdata);  in acpi_lpss_create_device()
411 	adev->driver_data = pdata;  in acpi_lpss_create_device()
421 	kfree(pdata);  in acpi_lpss_create_device()
425 static u32 __lpss_reg_read(struct lpss_private_data *pdata, unsigned int reg)  in __lpss_reg_read()  argument
427 	return readl(pdata->mmio_base + pdata->dev_desc->prv_offset + reg);  in __lpss_reg_read()
430 static void __lpss_reg_write(u32 val, struct lpss_private_data *pdata,  in __lpss_reg_write()  argument
433 	writel(val, pdata->mmio_base + pdata->dev_desc->prv_offset + reg);  in __lpss_reg_write()
439 	struct lpss_private_data *pdata;  in lpss_reg_read()  local
452 	pdata = acpi_driver_data(adev);  in lpss_reg_read()
453 	if (WARN_ON(!pdata || !pdata->mmio_base)) {  in lpss_reg_read()
457 	*val = __lpss_reg_read(pdata, reg);  in lpss_reg_read()
512 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_set_ltr()  local
515 	ltr_mode = __lpss_reg_read(pdata, LPSS_GENERAL);  in acpi_lpss_set_ltr()
519 			__lpss_reg_write(ltr_mode, pdata, LPSS_GENERAL);  in acpi_lpss_set_ltr()
523 	ltr_val = __lpss_reg_read(pdata, LPSS_SW_LTR) & ~LPSS_LTR_SNOOP_MASK;  in acpi_lpss_set_ltr()
534 	__lpss_reg_write(ltr_val, pdata, LPSS_SW_LTR);  in acpi_lpss_set_ltr()
537 		__lpss_reg_write(ltr_mode, pdata, LPSS_GENERAL);  in acpi_lpss_set_ltr()
552 			       struct lpss_private_data *pdata)  in acpi_lpss_save_ctx()  argument
559 		pdata->prv_reg_ctx[i] = __lpss_reg_read(pdata, offset);  in acpi_lpss_save_ctx()
561 			pdata->prv_reg_ctx[i], offset);  in acpi_lpss_save_ctx()
573 				  struct lpss_private_data *pdata)  in acpi_lpss_restore_ctx()  argument
585 	if (pdata->dev_desc->flags & LPSS_NO_D3_DELAY)  in acpi_lpss_restore_ctx()
593 		__lpss_reg_write(pdata->prv_reg_ctx[i], pdata, offset);  in acpi_lpss_restore_ctx()
595 			pdata->prv_reg_ctx[i], offset);  in acpi_lpss_restore_ctx()
602 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_suspend_late()  local
609 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)  in acpi_lpss_suspend_late()
610 		acpi_lpss_save_ctx(dev, pdata);  in acpi_lpss_suspend_late()
617 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_resume_early()  local
624 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)  in acpi_lpss_resume_early()
625 		acpi_lpss_restore_ctx(dev, pdata);  in acpi_lpss_resume_early()
633 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_runtime_suspend()  local
640 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)  in acpi_lpss_runtime_suspend()
641 		acpi_lpss_save_ctx(dev, pdata);  in acpi_lpss_runtime_suspend()
648 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_runtime_resume()  local
655 	if (pdata->dev_desc->flags & LPSS_SAVE_CTX)  in acpi_lpss_runtime_resume()
656 		acpi_lpss_restore_ctx(dev, pdata);  in acpi_lpss_runtime_resume()
686 	struct lpss_private_data *pdata;  in acpi_lpss_platform_notify()  local
697 	pdata = acpi_driver_data(adev);  in acpi_lpss_platform_notify()
698 	if (!pdata)  in acpi_lpss_platform_notify()
701 	if (pdata->mmio_base &&  in acpi_lpss_platform_notify()
702 	    pdata->mmio_size < pdata->dev_desc->prv_offset + LPSS_LTR_SIZE) {  in acpi_lpss_platform_notify()
710 		if (pdata->dev_desc->flags & LPSS_LTR)  in acpi_lpss_platform_notify()
715 		if (pdata->dev_desc->flags & LPSS_LTR)  in acpi_lpss_platform_notify()
732 	struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));  in acpi_lpss_bind()  local
734 	if (!pdata || !pdata->mmio_base || !(pdata->dev_desc->flags & LPSS_LTR))  in acpi_lpss_bind()
737 	if (pdata->mmio_size >= pdata->dev_desc->prv_offset + LPSS_LTR_SIZE)  in acpi_lpss_bind()