1 // SPDX-License-Identifier: GPL-2.0
58 	const struct sc27xx_vibra_data *data = info->data;  in sc27xx_vibra_set()
60 		regmap_update_bits(info->regmap, info->base, data->ldo_pd, 0);  in sc27xx_vibra_set()
61 		regmap_update_bits(info->regmap, info->base,  in sc27xx_vibra_set()
62 				   data->slp_pd_en, 0);  in sc27xx_vibra_set()
63 		info->enabled = true;  in sc27xx_vibra_set()
65 		regmap_update_bits(info->regmap, info->base, data->ldo_pd,  in sc27xx_vibra_set()
66 				   data->ldo_pd);  in sc27xx_vibra_set()
67 		regmap_update_bits(info->regmap, info->base,  in sc27xx_vibra_set()
68 				   data->slp_pd_en, data->slp_pd_en);  in sc27xx_vibra_set()
69 		info->enabled = false;  in sc27xx_vibra_set()
75 	const struct sc27xx_vibra_data *data = info->data;  in sc27xx_vibra_hw_init()
77 	if (!data->cur_drv_cal_sel)  in sc27xx_vibra_hw_init()
80 	return regmap_update_bits(info->regmap, info->base,  in sc27xx_vibra_hw_init()
81 				  data->cur_drv_cal_sel, 0);  in sc27xx_vibra_hw_init()
89 	if (info->strength && !info->enabled)  in sc27xx_vibra_play_work()
91 	else if (info->strength == 0 && info->enabled)  in sc27xx_vibra_play_work()
100 	info->strength = effect->u.rumble.weak_magnitude;  in sc27xx_vibra_play()
101 	schedule_work(&info->play_work);  in sc27xx_vibra_play()
110 	cancel_work_sync(&info->play_work);  in sc27xx_vibra_close()
111 	if (info->enabled)  in sc27xx_vibra_close()
121 	data = device_get_match_data(&pdev->dev);  in sc27xx_vibra_probe()
123 		dev_err(&pdev->dev, "no matching driver data found\n");  in sc27xx_vibra_probe()
124 		return -EINVAL;  in sc27xx_vibra_probe()
127 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);  in sc27xx_vibra_probe()
129 		return -ENOMEM;  in sc27xx_vibra_probe()
131 	info->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in sc27xx_vibra_probe()
132 	if (!info->regmap) {  in sc27xx_vibra_probe()
133 		dev_err(&pdev->dev, "failed to get vibrator regmap.\n");  in sc27xx_vibra_probe()
134 		return -ENODEV;  in sc27xx_vibra_probe()
137 	error = device_property_read_u32(&pdev->dev, "reg", &info->base);  in sc27xx_vibra_probe()
139 		dev_err(&pdev->dev, "failed to get vibrator base address.\n");  in sc27xx_vibra_probe()
143 	info->input_dev = devm_input_allocate_device(&pdev->dev);  in sc27xx_vibra_probe()
144 	if (!info->input_dev) {  in sc27xx_vibra_probe()
145 		dev_err(&pdev->dev, "failed to allocate input device.\n");  in sc27xx_vibra_probe()
146 		return -ENOMEM;  in sc27xx_vibra_probe()
149 	info->input_dev->name = "sc27xx:vibrator";  in sc27xx_vibra_probe()
150 	info->input_dev->id.version = 0;  in sc27xx_vibra_probe()
151 	info->input_dev->close = sc27xx_vibra_close;  in sc27xx_vibra_probe()
152 	info->data = data;  in sc27xx_vibra_probe()
154 	input_set_drvdata(info->input_dev, info);  in sc27xx_vibra_probe()
155 	input_set_capability(info->input_dev, EV_FF, FF_RUMBLE);  in sc27xx_vibra_probe()
156 	INIT_WORK(&info->play_work, sc27xx_vibra_play_work);  in sc27xx_vibra_probe()
157 	info->enabled = false;  in sc27xx_vibra_probe()
161 		dev_err(&pdev->dev, "failed to initialize the vibrator.\n");  in sc27xx_vibra_probe()
165 	error = input_ff_create_memless(info->input_dev, NULL,  in sc27xx_vibra_probe()
168 		dev_err(&pdev->dev, "failed to register vibrator to FF.\n");  in sc27xx_vibra_probe()
172 	error = input_register_device(info->input_dev);  in sc27xx_vibra_probe()
174 		dev_err(&pdev->dev, "failed to register input device.\n");  in sc27xx_vibra_probe()
182 	{ .compatible = "sprd,sc2721-vibrator", .data = &sc2721_data },
183 	{ .compatible = "sprd,sc2730-vibrator", .data = &sc2730_data },
184 	{ .compatible = "sprd,sc2731-vibrator", .data = &sc2731_data },
191 		.name = "sc27xx-vibrator",
199 MODULE_DESCRIPTION("Spreadtrum SC27xx Vibrator Driver");