86 	struct mlxreg_fan *fan;  member
123 	struct mlxreg_fan *fan = dev_get_drvdata(dev);  in mlxreg_fan_read()  local
131 		tacho = &fan->tacho[channel];  in mlxreg_fan_read()
138 			if (tacho->prsnt && fan->tachos_per_drwr) {  in mlxreg_fan_read()
139 				err = regmap_read(fan->regmap, tacho->prsnt, &regval);  in mlxreg_fan_read()
147 				if (BIT(channel / fan->tachos_per_drwr) & regval) {  in mlxreg_fan_read()
154 			err = regmap_read(fan->regmap, tacho->reg, &regval);  in mlxreg_fan_read()
158 			*val = MLXREG_FAN_GET_RPM(regval, fan->divider,  in mlxreg_fan_read()
159 						  fan->samples);  in mlxreg_fan_read()
163 			err = regmap_read(fan->regmap, tacho->reg, &regval);  in mlxreg_fan_read()
176 		pwm = &fan->pwm[channel];  in mlxreg_fan_read()
179 			err = regmap_read(fan->regmap, pwm->reg, &regval);  in mlxreg_fan_read()
202 	struct mlxreg_fan *fan = dev_get_drvdata(dev);  in mlxreg_fan_write()  local
212 			pwm = &fan->pwm[channel];  in mlxreg_fan_write()
225 			return regmap_write(fan->regmap, pwm->reg, val);  in mlxreg_fan_write()
283 	HWMON_CHANNEL_INFO(fan,
329 	struct mlxreg_fan *fan = pwm->fan;  in mlxreg_fan_get_cur_state()  local
333 	err = regmap_read(fan->regmap, pwm->reg, &regval);  in mlxreg_fan_get_cur_state()
335 		dev_err(fan->dev, "Failed to query PWM duty\n");  in mlxreg_fan_get_cur_state()
349 	struct mlxreg_fan *fan = pwm->fan;  in mlxreg_fan_set_cur_state()  local
359 	err = regmap_write(fan->regmap, pwm->reg,  in mlxreg_fan_set_cur_state()
362 		dev_err(fan->dev, "Failed to write PWM duty\n");  in mlxreg_fan_set_cur_state()
374 static int mlxreg_fan_connect_verify(struct mlxreg_fan *fan,  in mlxreg_fan_connect_verify()  argument
380 	err = regmap_read(fan->regmap, data->capability, &regval);  in mlxreg_fan_connect_verify()
382 		dev_err(fan->dev, "Failed to query capability register 0x%08x\n",  in mlxreg_fan_connect_verify()
390 static int mlxreg_pwm_connect_verify(struct mlxreg_fan *fan,  in mlxreg_pwm_connect_verify()  argument
396 	err = regmap_read(fan->regmap, data->reg, &regval);  in mlxreg_pwm_connect_verify()
398 		dev_err(fan->dev, "Failed to query pwm register 0x%08x\n",  in mlxreg_pwm_connect_verify()
406 static int mlxreg_fan_speed_divider_get(struct mlxreg_fan *fan,  in mlxreg_fan_speed_divider_get()  argument
412 	err = regmap_read(fan->regmap, data->capability, &regval);  in mlxreg_fan_speed_divider_get()
414 		dev_err(fan->dev, "Failed to query capability register 0x%08x\n",  in mlxreg_fan_speed_divider_get()
426 		fan->divider = regval * MLXREG_FAN_TACHO_DIV_MIN;  in mlxreg_fan_speed_divider_get()
431 static int mlxreg_fan_config(struct mlxreg_fan *fan,  in mlxreg_fan_config()  argument
439 	fan->samples = MLXREG_FAN_TACHO_SAMPLES_PER_PULSE_DEF;  in mlxreg_fan_config()
440 	fan->divider = MLXREG_FAN_TACHO_DIV_DEF;  in mlxreg_fan_config()
444 				dev_err(fan->dev, "too many tacho entries: %s\n",  in mlxreg_fan_config()
450 				err = mlxreg_fan_connect_verify(fan, data);  in mlxreg_fan_config()
459 			fan->tacho[tacho_num].reg = data->reg;  in mlxreg_fan_config()
460 			fan->tacho[tacho_num].mask = data->mask;  in mlxreg_fan_config()
461 			fan->tacho[tacho_num].prsnt = data->reg_prsnt;  in mlxreg_fan_config()
462 			fan->tacho[tacho_num++].connected = true;  in mlxreg_fan_config()
466 				dev_err(fan->dev, "too many pwm entries: %s\n",  in mlxreg_fan_config()
473 				err = mlxreg_pwm_connect_verify(fan, data);  in mlxreg_fan_config()
480 			fan->pwm[pwm_num].reg = data->reg;  in mlxreg_fan_config()
481 			fan->pwm[pwm_num].connected = true;  in mlxreg_fan_config()
485 				dev_err(fan->dev, "duplicate conf entry: %s\n",  in mlxreg_fan_config()
491 				dev_err(fan->dev, "invalid conf entry params: %s\n",  in mlxreg_fan_config()
496 				err = mlxreg_fan_speed_divider_get(fan, data);  in mlxreg_fan_config()
501 					fan->samples = data->mask;  in mlxreg_fan_config()
503 					fan->divider = data->bit;  in mlxreg_fan_config()
507 			dev_err(fan->dev, "invalid label: %s\n", data->label);  in mlxreg_fan_config()
517 		err = regmap_read(fan->regmap, pdata->capability, &regval);  in mlxreg_fan_config()
519 			dev_err(fan->dev, "Failed to query capability register 0x%08x\n",  in mlxreg_fan_config()
526 			dev_err(fan->dev, "Configuration is invalid: drawers num %d tachos num %d\n",  in mlxreg_fan_config()
532 		fan->tachos_per_drwr = tacho_avail / drwr_avail;  in mlxreg_fan_config()
538 static int mlxreg_fan_cooling_config(struct device *dev, struct mlxreg_fan *fan)  in mlxreg_fan_cooling_config()  argument
543 		struct mlxreg_fan_pwm *pwm = &fan->pwm[i];  in mlxreg_fan_cooling_config()
547 		pwm->fan = fan;  in mlxreg_fan_cooling_config()
566 	struct mlxreg_fan *fan;  in mlxreg_fan_probe()  local
576 	fan = devm_kzalloc(dev, sizeof(*fan), GFP_KERNEL);  in mlxreg_fan_probe()
577 	if (!fan)  in mlxreg_fan_probe()
580 	fan->dev = dev;  in mlxreg_fan_probe()
581 	fan->regmap = pdata->regmap;  in mlxreg_fan_probe()
583 	err = mlxreg_fan_config(fan, pdata);  in mlxreg_fan_probe()
588 						   fan,  in mlxreg_fan_probe()
597 		err = mlxreg_fan_cooling_config(dev, fan);  in mlxreg_fan_probe()