Lines Matching refs:chip
56 static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip)
60 if (chip->mode == MAX8997_EXTERNAL_MODE) {
61 unsigned int duty = chip->pwm_period * chip->level / 100;
62 ret = pwm_config(chip->pwm, duty, chip->pwm_period);
66 duty_index = DIV_ROUND_UP(chip->level * 64, 100);
68 switch (chip->internal_mode_pattern) {
70 max8997_write_reg(chip->client,
74 max8997_write_reg(chip->client,
78 max8997_write_reg(chip->client,
82 max8997_write_reg(chip->client,
92 static void max8997_haptic_configure(struct max8997_haptic *chip)
96 value = chip->type << MAX8997_MOTOR_TYPE_SHIFT |
97 chip->enabled << MAX8997_ENABLE_SHIFT |
98 chip->mode << MAX8997_MODE_SHIFT | chip->pwm_divisor;
99 max8997_write_reg(chip->client, MAX8997_HAPTIC_REG_CONF2, value);
101 if (chip->mode == MAX8997_INTERNAL_MODE && chip->enabled) {
102 value = chip->internal_mode_pattern << MAX8997_CYCLE_SHIFT |
103 chip->internal_mode_pattern << MAX8997_SIG_PERIOD_SHIFT |
104 chip->internal_mode_pattern << MAX8997_SIG_DUTY_SHIFT |
105 chip->internal_mode_pattern << MAX8997_PWM_DUTY_SHIFT;
106 max8997_write_reg(chip->client,
109 switch (chip->internal_mode_pattern) {
111 value = chip->pattern_cycle << 4;
112 max8997_write_reg(chip->client,
114 value = chip->pattern_signal_period;
115 max8997_write_reg(chip->client,
120 value = chip->pattern_cycle;
121 max8997_write_reg(chip->client,
123 value = chip->pattern_signal_period;
124 max8997_write_reg(chip->client,
129 value = chip->pattern_cycle << 4;
130 max8997_write_reg(chip->client,
132 value = chip->pattern_signal_period;
133 max8997_write_reg(chip->client,
138 value = chip->pattern_cycle;
139 max8997_write_reg(chip->client,
141 value = chip->pattern_signal_period;
142 max8997_write_reg(chip->client,
152 static void max8997_haptic_enable(struct max8997_haptic *chip)
156 mutex_lock(&chip->mutex);
158 error = max8997_haptic_set_duty_cycle(chip);
160 dev_err(chip->dev, "set_pwm_cycle failed, error: %d\n", error);
164 if (!chip->enabled) {
165 error = regulator_enable(chip->regulator);
167 dev_err(chip->dev, "Failed to enable regulator\n");
170 max8997_haptic_configure(chip);
171 if (chip->mode == MAX8997_EXTERNAL_MODE) {
172 error = pwm_enable(chip->pwm);
174 dev_err(chip->dev, "Failed to enable PWM\n");
175 regulator_disable(chip->regulator);
179 chip->enabled = true;
183 mutex_unlock(&chip->mutex);
186 static void max8997_haptic_disable(struct max8997_haptic *chip)
188 mutex_lock(&chip->mutex);
190 if (chip->enabled) {
191 chip->enabled = false;
192 max8997_haptic_configure(chip);
193 if (chip->mode == MAX8997_EXTERNAL_MODE)
194 pwm_disable(chip->pwm);
195 regulator_disable(chip->regulator);
198 mutex_unlock(&chip->mutex);
203 struct max8997_haptic *chip =
206 if (chip->level)
207 max8997_haptic_enable(chip);
209 max8997_haptic_disable(chip);
215 struct max8997_haptic *chip = input_get_drvdata(dev);
217 chip->level = effect->u.rumble.strong_magnitude;
218 if (!chip->level)
219 chip->level = effect->u.rumble.weak_magnitude;
221 schedule_work(&chip->work);
228 struct max8997_haptic *chip = input_get_drvdata(dev);
230 cancel_work_sync(&chip->work);
231 max8997_haptic_disable(chip);
240 struct max8997_haptic *chip;
252 chip = kzalloc(sizeof(struct max8997_haptic), GFP_KERNEL);
254 if (!chip || !input_dev) {
260 INIT_WORK(&chip->work, max8997_haptic_play_effect_work);
261 mutex_init(&chip->mutex);
263 chip->client = iodev->haptic;
264 chip->dev = &pdev->dev;
265 chip->input_dev = input_dev;
266 chip->pwm_period = haptic_pdata->pwm_period;
267 chip->type = haptic_pdata->type;
268 chip->mode = haptic_pdata->mode;
269 chip->pwm_divisor = haptic_pdata->pwm_divisor;
271 switch (chip->mode) {
273 chip->internal_mode_pattern =
275 chip->pattern_cycle = haptic_pdata->pattern_cycle;
276 chip->pattern_signal_period =
281 chip->pwm = pwm_get(&pdev->dev, NULL);
282 if (IS_ERR(chip->pwm)) {
283 error = PTR_ERR(chip->pwm);
294 pwm_apply_args(chip->pwm);
299 "Invalid chip mode specified (%d)\n", chip->mode);
304 chip->regulator = regulator_get(&pdev->dev, "inmotor");
305 if (IS_ERR(chip->regulator)) {
306 error = PTR_ERR(chip->regulator);
317 input_set_drvdata(input_dev, chip);
337 platform_set_drvdata(pdev, chip);
343 regulator_put(chip->regulator);
345 if (chip->mode == MAX8997_EXTERNAL_MODE)
346 pwm_put(chip->pwm);
349 kfree(chip);
356 struct max8997_haptic *chip = platform_get_drvdata(pdev);
358 input_unregister_device(chip->input_dev);
359 regulator_put(chip->regulator);
361 if (chip->mode == MAX8997_EXTERNAL_MODE)
362 pwm_put(chip->pwm);
364 kfree(chip);
372 struct max8997_haptic *chip = platform_get_drvdata(pdev);
374 max8997_haptic_disable(chip);