Lines Matching refs:chip
56 static int max8997_haptic_set_duty_cycle(struct max8997_haptic *chip) in max8997_haptic_set_duty_cycle() argument
60 if (chip->mode == MAX8997_EXTERNAL_MODE) { in max8997_haptic_set_duty_cycle()
61 unsigned int duty = chip->pwm_period * chip->level / 100; in max8997_haptic_set_duty_cycle()
62 ret = pwm_config(chip->pwm, duty, chip->pwm_period); in max8997_haptic_set_duty_cycle()
66 duty_index = DIV_ROUND_UP(chip->level * 64, 100); in max8997_haptic_set_duty_cycle()
68 switch (chip->internal_mode_pattern) { in max8997_haptic_set_duty_cycle()
70 max8997_write_reg(chip->client, in max8997_haptic_set_duty_cycle()
74 max8997_write_reg(chip->client, in max8997_haptic_set_duty_cycle()
78 max8997_write_reg(chip->client, in max8997_haptic_set_duty_cycle()
82 max8997_write_reg(chip->client, in max8997_haptic_set_duty_cycle()
92 static void max8997_haptic_configure(struct max8997_haptic *chip) in max8997_haptic_configure() argument
96 value = chip->type << MAX8997_MOTOR_TYPE_SHIFT | in max8997_haptic_configure()
97 chip->enabled << MAX8997_ENABLE_SHIFT | in max8997_haptic_configure()
98 chip->mode << MAX8997_MODE_SHIFT | chip->pwm_divisor; in max8997_haptic_configure()
99 max8997_write_reg(chip->client, MAX8997_HAPTIC_REG_CONF2, value); in max8997_haptic_configure()
101 if (chip->mode == MAX8997_INTERNAL_MODE && chip->enabled) { in max8997_haptic_configure()
102 value = chip->internal_mode_pattern << MAX8997_CYCLE_SHIFT | in max8997_haptic_configure()
103 chip->internal_mode_pattern << MAX8997_SIG_PERIOD_SHIFT | in max8997_haptic_configure()
104 chip->internal_mode_pattern << MAX8997_SIG_DUTY_SHIFT | in max8997_haptic_configure()
105 chip->internal_mode_pattern << MAX8997_PWM_DUTY_SHIFT; in max8997_haptic_configure()
106 max8997_write_reg(chip->client, in max8997_haptic_configure()
109 switch (chip->internal_mode_pattern) { in max8997_haptic_configure()
111 value = chip->pattern_cycle << 4; in max8997_haptic_configure()
112 max8997_write_reg(chip->client, in max8997_haptic_configure()
114 value = chip->pattern_signal_period; in max8997_haptic_configure()
115 max8997_write_reg(chip->client, in max8997_haptic_configure()
120 value = chip->pattern_cycle; in max8997_haptic_configure()
121 max8997_write_reg(chip->client, in max8997_haptic_configure()
123 value = chip->pattern_signal_period; in max8997_haptic_configure()
124 max8997_write_reg(chip->client, in max8997_haptic_configure()
129 value = chip->pattern_cycle << 4; in max8997_haptic_configure()
130 max8997_write_reg(chip->client, in max8997_haptic_configure()
132 value = chip->pattern_signal_period; in max8997_haptic_configure()
133 max8997_write_reg(chip->client, in max8997_haptic_configure()
138 value = chip->pattern_cycle; in max8997_haptic_configure()
139 max8997_write_reg(chip->client, in max8997_haptic_configure()
141 value = chip->pattern_signal_period; in max8997_haptic_configure()
142 max8997_write_reg(chip->client, in max8997_haptic_configure()
152 static void max8997_haptic_enable(struct max8997_haptic *chip) in max8997_haptic_enable() argument
156 mutex_lock(&chip->mutex); in max8997_haptic_enable()
158 error = max8997_haptic_set_duty_cycle(chip); in max8997_haptic_enable()
160 dev_err(chip->dev, "set_pwm_cycle failed, error: %d\n", error); in max8997_haptic_enable()
164 if (!chip->enabled) { in max8997_haptic_enable()
165 error = regulator_enable(chip->regulator); in max8997_haptic_enable()
167 dev_err(chip->dev, "Failed to enable regulator\n"); in max8997_haptic_enable()
170 max8997_haptic_configure(chip); in max8997_haptic_enable()
171 if (chip->mode == MAX8997_EXTERNAL_MODE) { in max8997_haptic_enable()
172 error = pwm_enable(chip->pwm); in max8997_haptic_enable()
174 dev_err(chip->dev, "Failed to enable PWM\n"); in max8997_haptic_enable()
175 regulator_disable(chip->regulator); in max8997_haptic_enable()
179 chip->enabled = true; in max8997_haptic_enable()
183 mutex_unlock(&chip->mutex); in max8997_haptic_enable()
186 static void max8997_haptic_disable(struct max8997_haptic *chip) in max8997_haptic_disable() argument
188 mutex_lock(&chip->mutex); in max8997_haptic_disable()
190 if (chip->enabled) { in max8997_haptic_disable()
191 chip->enabled = false; in max8997_haptic_disable()
192 max8997_haptic_configure(chip); in max8997_haptic_disable()
193 if (chip->mode == MAX8997_EXTERNAL_MODE) in max8997_haptic_disable()
194 pwm_disable(chip->pwm); in max8997_haptic_disable()
195 regulator_disable(chip->regulator); in max8997_haptic_disable()
198 mutex_unlock(&chip->mutex); in max8997_haptic_disable()
203 struct max8997_haptic *chip = in max8997_haptic_play_effect_work() local
206 if (chip->level) in max8997_haptic_play_effect_work()
207 max8997_haptic_enable(chip); in max8997_haptic_play_effect_work()
209 max8997_haptic_disable(chip); in max8997_haptic_play_effect_work()
215 struct max8997_haptic *chip = input_get_drvdata(dev); in max8997_haptic_play_effect() local
217 chip->level = effect->u.rumble.strong_magnitude; in max8997_haptic_play_effect()
218 if (!chip->level) in max8997_haptic_play_effect()
219 chip->level = effect->u.rumble.weak_magnitude; in max8997_haptic_play_effect()
221 schedule_work(&chip->work); in max8997_haptic_play_effect()
228 struct max8997_haptic *chip = input_get_drvdata(dev); in max8997_haptic_close() local
230 cancel_work_sync(&chip->work); in max8997_haptic_close()
231 max8997_haptic_disable(chip); in max8997_haptic_close()
240 struct max8997_haptic *chip; in max8997_haptic_probe() local
252 chip = kzalloc(sizeof(struct max8997_haptic), GFP_KERNEL); in max8997_haptic_probe()
254 if (!chip || !input_dev) { in max8997_haptic_probe()
260 INIT_WORK(&chip->work, max8997_haptic_play_effect_work); in max8997_haptic_probe()
261 mutex_init(&chip->mutex); in max8997_haptic_probe()
263 chip->client = iodev->haptic; in max8997_haptic_probe()
264 chip->dev = &pdev->dev; in max8997_haptic_probe()
265 chip->input_dev = input_dev; in max8997_haptic_probe()
266 chip->pwm_period = haptic_pdata->pwm_period; in max8997_haptic_probe()
267 chip->type = haptic_pdata->type; in max8997_haptic_probe()
268 chip->mode = haptic_pdata->mode; in max8997_haptic_probe()
269 chip->pwm_divisor = haptic_pdata->pwm_divisor; in max8997_haptic_probe()
271 switch (chip->mode) { in max8997_haptic_probe()
273 chip->internal_mode_pattern = in max8997_haptic_probe()
275 chip->pattern_cycle = haptic_pdata->pattern_cycle; in max8997_haptic_probe()
276 chip->pattern_signal_period = in max8997_haptic_probe()
281 chip->pwm = pwm_get(&pdev->dev, NULL); in max8997_haptic_probe()
282 if (IS_ERR(chip->pwm)) { in max8997_haptic_probe()
283 error = PTR_ERR(chip->pwm); in max8997_haptic_probe()
294 pwm_apply_args(chip->pwm); in max8997_haptic_probe()
299 "Invalid chip mode specified (%d)\n", chip->mode); in max8997_haptic_probe()
304 chip->regulator = regulator_get(&pdev->dev, "inmotor"); in max8997_haptic_probe()
305 if (IS_ERR(chip->regulator)) { in max8997_haptic_probe()
306 error = PTR_ERR(chip->regulator); in max8997_haptic_probe()
317 input_set_drvdata(input_dev, chip); in max8997_haptic_probe()
337 platform_set_drvdata(pdev, chip); in max8997_haptic_probe()
343 regulator_put(chip->regulator); in max8997_haptic_probe()
345 if (chip->mode == MAX8997_EXTERNAL_MODE) in max8997_haptic_probe()
346 pwm_put(chip->pwm); in max8997_haptic_probe()
349 kfree(chip); in max8997_haptic_probe()
356 struct max8997_haptic *chip = platform_get_drvdata(pdev); in max8997_haptic_remove() local
358 input_unregister_device(chip->input_dev); in max8997_haptic_remove()
359 regulator_put(chip->regulator); in max8997_haptic_remove()
361 if (chip->mode == MAX8997_EXTERNAL_MODE) in max8997_haptic_remove()
362 pwm_put(chip->pwm); in max8997_haptic_remove()
364 kfree(chip); in max8997_haptic_remove()
372 struct max8997_haptic *chip = platform_get_drvdata(pdev); in max8997_haptic_suspend() local
374 max8997_haptic_disable(chip); in max8997_haptic_suspend()