63 			       const struct axi_fan_control_data *ctl)  in axi_iowrite()  argument
65 	iowrite32(val, ctl->base + reg);  in axi_iowrite()
69 			     const struct axi_fan_control_data *ctl)  in axi_ioread()  argument
71 	return ioread32(ctl->base + reg);  in axi_ioread()
80 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_show()  local
82 	u32 temp = axi_ioread(attr->index, ctl);  in axi_fan_control_show()
92 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_store()  local
102 	axi_iowrite(temp, attr->index, ctl);  in axi_fan_control_store()
107 static long axi_fan_control_get_pwm_duty(const struct axi_fan_control_data *ctl)  in axi_fan_control_get_pwm_duty()  argument
109 	u32 pwm_width = axi_ioread(ADI_REG_PWM_WIDTH, ctl);  in axi_fan_control_get_pwm_duty()
110 	u32 pwm_period = axi_ioread(ADI_REG_PWM_PERIOD, ctl);  in axi_fan_control_get_pwm_duty()
119 					struct axi_fan_control_data *ctl)  in axi_fan_control_set_pwm_duty()  argument
121 	u32 pwm_period = axi_ioread(ADI_REG_PWM_PERIOD, ctl);  in axi_fan_control_set_pwm_duty()
127 	axi_iowrite(new_width, ADI_REG_PWM_WIDTH, ctl);  in axi_fan_control_set_pwm_duty()
132 static long axi_fan_control_get_fan_rpm(const struct axi_fan_control_data *ctl)  in axi_fan_control_get_fan_rpm()  argument
134 	const u32 tach = axi_ioread(ADI_REG_TACH_MEASUR, ctl);  in axi_fan_control_get_fan_rpm()
147 	return DIV_ROUND_CLOSEST(60 * ctl->clk_rate, ctl->ppr * tach);  in axi_fan_control_get_fan_rpm()
152 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_read_temp()  local
157 		raw_temp = axi_ioread(ADI_REG_TEMPERATURE, ctl);  in axi_fan_control_read_temp()
173 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_read_fan()  local
177 		*val = ctl->fan_fault;  in axi_fan_control_read_fan()
179 		ctl->fan_fault = 0;  in axi_fan_control_read_fan()
182 		*val = axi_fan_control_get_fan_rpm(ctl);  in axi_fan_control_read_fan()
191 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_read_pwm()  local
195 		*val = axi_fan_control_get_pwm_duty(ctl);  in axi_fan_control_read_pwm()
204 	struct axi_fan_control_data *ctl = dev_get_drvdata(dev);  in axi_fan_control_write_pwm()  local
208 		return axi_fan_control_set_pwm_duty(val, ctl);  in axi_fan_control_write_pwm()
320  * already to the ney duty cycle) based on the %ctl->hw_pwm_req flag.
324 	struct axi_fan_control_data *ctl = (struct axi_fan_control_data *)data;  in axi_fan_control_irq_handler()  local
325 	u32 irq_pending = axi_ioread(ADI_REG_IRQ_PENDING, ctl);  in axi_fan_control_irq_handler()
330 		ctl->hw_pwm_req = true;  in axi_fan_control_irq_handler()
338 		if (!ctl->hw_pwm_req) {  in axi_fan_control_irq_handler()
339 			ctl->update_tacho_params = true;  in axi_fan_control_irq_handler()
341 			ctl->hw_pwm_req = false;  in axi_fan_control_irq_handler()
342 			hwmon_notify_event(ctl->hdev, hwmon_pwm,  in axi_fan_control_irq_handler()
348 		if (ctl->update_tacho_params) {  in axi_fan_control_irq_handler()
349 			u32 new_tach = axi_ioread(ADI_REG_TACH_MEASUR, ctl);  in axi_fan_control_irq_handler()
354 			axi_iowrite(new_tach, ADI_REG_TACH_PERIOD, ctl);  in axi_fan_control_irq_handler()
355 			axi_iowrite(tach_tol, ADI_REG_TACH_TOLERANCE, ctl);  in axi_fan_control_irq_handler()
356 			ctl->update_tacho_params = false;  in axi_fan_control_irq_handler()
361 		ctl->fan_fault = 1;  in axi_fan_control_irq_handler()
365 	axi_iowrite(clear_mask, ADI_REG_IRQ_PENDING, ctl);  in axi_fan_control_irq_handler()
370 static int axi_fan_control_init(struct axi_fan_control_data *ctl,  in axi_fan_control_init()  argument
376 	ret = of_property_read_u32(np, "pulses-per-revolution", &ctl->ppr);  in axi_fan_control_init()
381 	if (ctl->ppr != 1 && ctl->ppr != 2 && ctl->ppr != 4)  in axi_fan_control_init()
389 		    ADI_REG_IRQ_MASK, ctl);  in axi_fan_control_init()
392 	axi_iowrite(0x01, ADI_REG_RSTN, ctl);  in axi_fan_control_init()
457 	struct axi_fan_control_data *ctl;  in axi_fan_control_probe()  local
468 	ctl = devm_kzalloc(&pdev->dev, sizeof(*ctl), GFP_KERNEL);  in axi_fan_control_probe()
469 	if (!ctl)  in axi_fan_control_probe()
472 	ctl->base = devm_platform_ioremap_resource(pdev, 0);  in axi_fan_control_probe()
473 	if (IS_ERR(ctl->base))  in axi_fan_control_probe()
474 		return PTR_ERR(ctl->base);  in axi_fan_control_probe()
482 	ctl->clk_rate = clk_get_rate(clk);  in axi_fan_control_probe()
483 	if (!ctl->clk_rate)  in axi_fan_control_probe()
486 	version = axi_ioread(ADI_AXI_REG_VERSION, ctl);  in axi_fan_control_probe()
499 	ret = axi_fan_control_init(ctl, pdev->dev.of_node);  in axi_fan_control_probe()
505 	ctl->hdev = devm_hwmon_device_register_with_info(&pdev->dev,  in axi_fan_control_probe()
507 							 ctl,  in axi_fan_control_probe()
511 	if (IS_ERR(ctl->hdev))  in axi_fan_control_probe()
512 		return PTR_ERR(ctl->hdev);  in axi_fan_control_probe()
514 	ctl->irq = platform_get_irq(pdev, 0);  in axi_fan_control_probe()
515 	if (ctl->irq < 0)  in axi_fan_control_probe()
516 		return ctl->irq;  in axi_fan_control_probe()
518 	ret = devm_request_threaded_irq(&pdev->dev, ctl->irq, NULL,  in axi_fan_control_probe()
521 					pdev->driver_override, ctl);  in axi_fan_control_probe()