290 static int exynos4210_set_busclk(struct busfreq_data *data,  in exynos4210_set_busclk()  argument
304 	tmp = data->dmc_divtable[index];  in exynos4210_set_busclk()
313 	tmp = data->top_divtable[index];  in exynos4210_set_busclk()
356 static int exynos4x12_set_busclk(struct busfreq_data *data,  in exynos4x12_set_busclk()  argument
370 	tmp = data->dmc_divtable[index];  in exynos4x12_set_busclk()
521 static int exynos4_bus_setvolt(struct busfreq_data *data,  in exynos4_bus_setvolt()  argument
528 	switch (data->type) {  in exynos4_bus_setvolt()
531 		err = regulator_set_voltage(data->vdd_int, volt,  in exynos4_bus_setvolt()
536 		err = regulator_set_voltage(data->vdd_mif, volt,  in exynos4_bus_setvolt()
544 			regulator_set_voltage(data->vdd_mif,  in exynos4_bus_setvolt()
549 		err = regulator_set_voltage(data->vdd_int,  in exynos4_bus_setvolt()
554 			regulator_set_voltage(data->vdd_mif,  in exynos4_bus_setvolt()
571 	struct busfreq_data *data = platform_get_drvdata(pdev);  in exynos4_bus_target()  local
574 	unsigned long old_freq = data->curr_oppinfo.rate;  in exynos4_bus_target()
593 	mutex_lock(&data->lock);  in exynos4_bus_target()
595 	if (data->disabled)  in exynos4_bus_target()
599 		err = exynos4_bus_setvolt(data, &new_oppinfo,  in exynos4_bus_target()
600 					  &data->curr_oppinfo);  in exynos4_bus_target()
605 		switch (data->type) {  in exynos4_bus_target()
607 			err = exynos4210_set_busclk(data, &new_oppinfo);  in exynos4_bus_target()
610 			err = exynos4x12_set_busclk(data, &new_oppinfo);  in exynos4_bus_target()
620 		err = exynos4_bus_setvolt(data, &new_oppinfo,  in exynos4_bus_target()
621 					  &data->curr_oppinfo);  in exynos4_bus_target()
625 	data->curr_oppinfo = new_oppinfo;  in exynos4_bus_target()
627 	mutex_unlock(&data->lock);  in exynos4_bus_target()
634 	struct busfreq_data *data = dev_get_drvdata(dev);  in exynos4_bus_get_dev_status()  local
635 	struct busfreq_ppmu_data *ppmu_data = &data->ppmu_data;  in exynos4_bus_get_dev_status()
640 	stat->current_frequency = data->curr_oppinfo.rate;  in exynos4_bus_get_dev_status()
662 static int exynos4210_init_tables(struct busfreq_data *data)  in exynos4210_init_tables()  argument
696 		data->dmc_divtable[i] = tmp;  in exynos4210_init_tables()
718 		data->top_divtable[i] = tmp;  in exynos4210_init_tables()
757 		err = dev_pm_opp_add(data->dev, exynos4210_busclk_table[i].clk,  in exynos4210_init_tables()
760 			dev_err(data->dev, "Cannot add opp entries.\n");  in exynos4210_init_tables()
769 static int exynos4x12_init_tables(struct busfreq_data *data)  in exynos4x12_init_tables()  argument
803 		data->dmc_divtable[i] = tmp;  in exynos4x12_init_tables()
820 		ret = dev_pm_opp_add(data->dev, exynos4x12_mifclk_table[i].clk,  in exynos4x12_init_tables()
823 			dev_err(data->dev, "Fail to add opp entries.\n");  in exynos4x12_init_tables()
834 	struct busfreq_data *data = container_of(this, struct busfreq_data,  in exynos4_busfreq_pm_notifier_event()  local
844 		mutex_lock(&data->lock);  in exynos4_busfreq_pm_notifier_event()
846 		data->disabled = true;  in exynos4_busfreq_pm_notifier_event()
849 		opp = dev_pm_opp_find_freq_floor(data->dev, &maxfreq);  in exynos4_busfreq_pm_notifier_event()
852 			dev_err(data->dev, "%s: unable to find a min freq\n",  in exynos4_busfreq_pm_notifier_event()
854 			mutex_unlock(&data->lock);  in exynos4_busfreq_pm_notifier_event()
861 		err = exynos4_bus_setvolt(data, &new_oppinfo,  in exynos4_busfreq_pm_notifier_event()
862 					  &data->curr_oppinfo);  in exynos4_busfreq_pm_notifier_event()
866 		switch (data->type) {  in exynos4_busfreq_pm_notifier_event()
868 			err = exynos4210_set_busclk(data, &new_oppinfo);  in exynos4_busfreq_pm_notifier_event()
871 			err = exynos4x12_set_busclk(data, &new_oppinfo);  in exynos4_busfreq_pm_notifier_event()
879 		data->curr_oppinfo = new_oppinfo;  in exynos4_busfreq_pm_notifier_event()
881 		mutex_unlock(&data->lock);  in exynos4_busfreq_pm_notifier_event()
888 		mutex_lock(&data->lock);  in exynos4_busfreq_pm_notifier_event()
889 		data->disabled = false;  in exynos4_busfreq_pm_notifier_event()
890 		mutex_unlock(&data->lock);  in exynos4_busfreq_pm_notifier_event()
899 	struct busfreq_data *data;  in exynos4_busfreq_probe()  local
905 	data = devm_kzalloc(&pdev->dev, sizeof(struct busfreq_data), GFP_KERNEL);  in exynos4_busfreq_probe()
906 	if (data == NULL) {  in exynos4_busfreq_probe()
911 	ppmu_data = &data->ppmu_data;  in exynos4_busfreq_probe()
921 	data->type = pdev->id_entry->driver_data;  in exynos4_busfreq_probe()
924 	data->pm_notifier.notifier_call = exynos4_busfreq_pm_notifier_event;  in exynos4_busfreq_probe()
925 	data->dev = dev;  in exynos4_busfreq_probe()
926 	mutex_init(&data->lock);  in exynos4_busfreq_probe()
928 	switch (data->type) {  in exynos4_busfreq_probe()
930 		err = exynos4210_init_tables(data);  in exynos4_busfreq_probe()
933 		err = exynos4x12_init_tables(data);  in exynos4_busfreq_probe()
936 		dev_err(dev, "Cannot determine the device id %d\n", data->type);  in exynos4_busfreq_probe()
941 			     data->type);  in exynos4_busfreq_probe()
945 	data->vdd_int = devm_regulator_get(dev, "vdd_int");  in exynos4_busfreq_probe()
946 	if (IS_ERR(data->vdd_int)) {  in exynos4_busfreq_probe()
948 		return PTR_ERR(data->vdd_int);  in exynos4_busfreq_probe()
950 	if (data->type == TYPE_BUSF_EXYNOS4x12) {  in exynos4_busfreq_probe()
951 		data->vdd_mif = devm_regulator_get(dev, "vdd_mif");  in exynos4_busfreq_probe()
952 		if (IS_ERR(data->vdd_mif)) {  in exynos4_busfreq_probe()
954 			return PTR_ERR(data->vdd_mif);  in exynos4_busfreq_probe()
967 	data->curr_oppinfo.rate = dev_pm_opp_get_freq(opp);  in exynos4_busfreq_probe()
968 	data->curr_oppinfo.volt = dev_pm_opp_get_voltage(opp);  in exynos4_busfreq_probe()
971 	platform_set_drvdata(pdev, data);  in exynos4_busfreq_probe()
973 	data->devfreq = devm_devfreq_add_device(dev, &exynos4_devfreq_profile,  in exynos4_busfreq_probe()
975 	if (IS_ERR(data->devfreq))  in exynos4_busfreq_probe()
976 		return PTR_ERR(data->devfreq);  in exynos4_busfreq_probe()
985 	err = devm_devfreq_register_opp_notifier(dev, data->devfreq);  in exynos4_busfreq_probe()
992 	err = register_pm_notifier(&data->pm_notifier);  in exynos4_busfreq_probe()
1003 	struct busfreq_data *data = platform_get_drvdata(pdev);  in exynos4_busfreq_remove()  local
1006 	unregister_pm_notifier(&data->pm_notifier);  in exynos4_busfreq_remove()
1014 	struct busfreq_data *data = dev_get_drvdata(dev);  in exynos4_busfreq_resume()  local
1015 	struct busfreq_ppmu_data *ppmu_data = &data->ppmu_data;  in exynos4_busfreq_resume()