Lines Matching refs:vibrator
3 * PWM vibrator driver
38 static int pwm_vibrator_start(struct pwm_vibrator *vibrator)
40 struct device *pdev = vibrator->input->dev.parent;
44 if (!vibrator->vcc_on) {
45 err = regulator_enable(vibrator->vcc);
50 vibrator->vcc_on = true;
53 gpiod_set_value_cansleep(vibrator->enable_gpio, 1);
55 pwm_get_state(vibrator->pwm, &state);
56 pwm_set_relative_duty_cycle(&state, vibrator->level, 0xffff);
59 err = pwm_apply_state(vibrator->pwm, &state);
65 if (vibrator->pwm_dir) {
66 pwm_get_state(vibrator->pwm_dir, &state);
67 state.duty_cycle = vibrator->direction_duty_cycle;
70 err = pwm_apply_state(vibrator->pwm_dir, &state);
73 pwm_disable(vibrator->pwm);
81 static void pwm_vibrator_stop(struct pwm_vibrator *vibrator)
83 if (vibrator->pwm_dir)
84 pwm_disable(vibrator->pwm_dir);
85 pwm_disable(vibrator->pwm);
87 gpiod_set_value_cansleep(vibrator->enable_gpio, 0);
89 if (vibrator->vcc_on) {
90 regulator_disable(vibrator->vcc);
91 vibrator->vcc_on = false;
97 struct pwm_vibrator *vibrator = container_of(work,
100 if (vibrator->level)
101 pwm_vibrator_start(vibrator);
103 pwm_vibrator_stop(vibrator);
109 struct pwm_vibrator *vibrator = input_get_drvdata(dev);
111 vibrator->level = effect->u.rumble.strong_magnitude;
112 if (!vibrator->level)
113 vibrator->level = effect->u.rumble.weak_magnitude;
115 schedule_work(&vibrator->play_work);
122 struct pwm_vibrator *vibrator = input_get_drvdata(input);
124 cancel_work_sync(&vibrator->play_work);
125 pwm_vibrator_stop(vibrator);
130 struct pwm_vibrator *vibrator;
134 vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);
135 if (!vibrator)
138 vibrator->input = devm_input_allocate_device(&pdev->dev);
139 if (!vibrator->input)
142 vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
143 if (IS_ERR(vibrator->vcc))
144 return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),
147 vibrator->enable_gpio = devm_gpiod_get_optional(&pdev->dev, "enable",
149 if (IS_ERR(vibrator->enable_gpio))
150 return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->enable_gpio),
153 vibrator->pwm = devm_pwm_get(&pdev->dev, "enable");
154 if (IS_ERR(vibrator->pwm))
155 return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->pwm),
158 INIT_WORK(&vibrator->play_work, pwm_vibrator_play_work);
161 pwm_init_state(vibrator->pwm, &state);
163 err = pwm_apply_state(vibrator->pwm, &state);
170 vibrator->pwm_dir = devm_pwm_get(&pdev->dev, "direction");
171 err = PTR_ERR_OR_ZERO(vibrator->pwm_dir);
175 pwm_init_state(vibrator->pwm_dir, &state);
177 err = pwm_apply_state(vibrator->pwm_dir, &state);
184 vibrator->direction_duty_cycle =
185 pwm_get_period(vibrator->pwm_dir) / 2;
187 &vibrator->direction_duty_cycle);
192 vibrator->pwm_dir = NULL;
203 vibrator->input->name = "pwm-vibrator";
204 vibrator->input->id.bustype = BUS_HOST;
205 vibrator->input->dev.parent = &pdev->dev;
206 vibrator->input->close = pwm_vibrator_close;
208 input_set_drvdata(vibrator->input, vibrator);
209 input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);
211 err = input_ff_create_memless(vibrator->input, NULL,
218 err = input_register_device(vibrator->input);
224 platform_set_drvdata(pdev, vibrator);
231 struct pwm_vibrator *vibrator = dev_get_drvdata(dev);
233 cancel_work_sync(&vibrator->play_work);
234 if (vibrator->level)
235 pwm_vibrator_stop(vibrator);
242 struct pwm_vibrator *vibrator = dev_get_drvdata(dev);
244 if (vibrator->level)
245 pwm_vibrator_start(vibrator);
255 { .compatible = "pwm-vibrator" },
264 .name = "pwm-vibrator",
272 MODULE_DESCRIPTION("PWM vibrator driver");
274 MODULE_ALIAS("platform:pwm-vibrator");