1 // SPDX-License-Identifier: GPL-2.0-only
41 /* Settling time delay in ms */
44 /* Delay for clearing interrupt in us */
74 	(data->bus_ops->read(data->dev, reg, msg))
76 	((data)->bus_ops->write(data->dev, reg, val, msg))
99 	*datax = ((s8)*datax) * data->bit_to_mg;  in decode_mg()
100 	*datay = ((s8)*datay) * data->bit_to_mg;  in decode_mg()
101 	*dataz = ((s8)*dataz) * data->bit_to_mg;  in decode_mg()
116 		input_report_abs(data->input_dev, ABS_MISC, 1);  in cma3000_thread_irq()
117 		input_sync(data->input_dev);  in cma3000_thread_irq()
119 		input_report_abs(data->input_dev, ABS_MISC, 0);  in cma3000_thread_irq()
130 	data->bit_to_mg = mode_to_mg[mode][range];  in cma3000_thread_irq()
133 	if (data->bit_to_mg == 0)  in cma3000_thread_irq()
139 	input_report_abs(data->input_dev, ABS_X, datax);  in cma3000_thread_irq()
140 	input_report_abs(data->input_dev, ABS_Y, datay);  in cma3000_thread_irq()
141 	input_report_abs(data->input_dev, ABS_Z, dataz);  in cma3000_thread_irq()
142 	input_sync(data->input_dev);  in cma3000_thread_irq()
156 	/* Settling time delay */  in cma3000_reset()
161 		dev_err(data->dev, "Reset failed\n");  in cma3000_reset()
166 		dev_err(data->dev, "Parity Error\n");  in cma3000_reset()
167 		return -EIO;  in cma3000_reset()
175 	const struct cma3000_platform_data *pdata = data->pdata;  in cma3000_poweron()
179 	if (data->g_range == CMARANGE_2G) {  in cma3000_poweron()
180 		ctrl = (data->mode << 1) | CMA3000_RANGE2G;  in cma3000_poweron()
181 	} else if (data->g_range == CMARANGE_8G) {  in cma3000_poweron()
182 		ctrl = (data->mode << 1) | CMA3000_RANGE8G;  in cma3000_poweron()
184 		dev_info(data->dev,  in cma3000_poweron()
186 		ctrl = (data->mode << 1) | CMA3000_RANGE8G;  in cma3000_poweron()
189 	ctrl |= data->bus_ops->ctrl_mod;  in cma3000_poweron()
191 	CMA3000_SET(data, CMA3000_MDTHR, pdata->mdthr,  in cma3000_poweron()
193 	CMA3000_SET(data, CMA3000_MDFFTMR, pdata->mdfftmr,  in cma3000_poweron()
194 		    "Time register");  in cma3000_poweron()
195 	CMA3000_SET(data, CMA3000_FFTHR, pdata->ffthr,  in cma3000_poweron()
199 		return -EIO;  in cma3000_poweron()
220 	guard(mutex)(&data->mutex);  in cma3000_open()
222 	if (!data->suspended)  in cma3000_open()
225 	data->opened = true;  in cma3000_open()
234 	guard(mutex)(&data->mutex);  in cma3000_close()
236 	if (!data->suspended)  in cma3000_close()
239 	data->opened = false;  in cma3000_close()
244 	guard(mutex)(&data->mutex);  in cma3000_suspend()
246 	if (!data->suspended && data->opened)  in cma3000_suspend()
249 	data->suspended = true;  in cma3000_suspend()
256 	guard(mutex)(&data->mutex);  in cma3000_resume()
258 	if (data->suspended && data->opened)  in cma3000_resume()
261 	data->suspended = false;  in cma3000_resume()
276 		error = -EINVAL;  in cma3000_init()
283 		error = -EINVAL;  in cma3000_init()
290 		error = -ENOMEM;  in cma3000_init()
294 	data->dev = dev;  in cma3000_init()
295 	data->input_dev = input_dev;  in cma3000_init()
296 	data->bus_ops = bops;  in cma3000_init()
297 	data->pdata = pdata;  in cma3000_init()
298 	data->irq = irq;  in cma3000_init()
299 	mutex_init(&data->mutex);  in cma3000_init()
301 	data->mode = pdata->mode;  in cma3000_init()
302 	if (data->mode > CMAMODE_POFF) {  in cma3000_init()
303 		data->mode = CMAMODE_MOTDET;  in cma3000_init()
308 	data->g_range = pdata->g_range;  in cma3000_init()
309 	if (data->g_range != CMARANGE_2G && data->g_range != CMARANGE_8G) {  in cma3000_init()
312 		data->g_range = CMARANGE_8G;  in cma3000_init()
315 	input_dev->name = "cma3000-accelerometer";  in cma3000_init()
316 	input_dev->id.bustype = bops->bustype;  in cma3000_init()
317 	input_dev->open = cma3000_open;  in cma3000_init()
318 	input_dev->close = cma3000_close;  in cma3000_init()
321 			-data->g_range, data->g_range, pdata->fuzz_x, 0);  in cma3000_init()
323 			-data->g_range, data->g_range, pdata->fuzz_y, 0);  in cma3000_init()
325 			-data->g_range, data->g_range, pdata->fuzz_z, 0);  in cma3000_init()
343 				     pdata->irqflags | IRQF_ONESHOT,  in cma3000_init()
350 	error = input_register_device(data->input_dev);  in cma3000_init()
370 	free_irq(data->irq, data);  in cma3000_exit()
371 	input_unregister_device(data->input_dev);  in cma3000_exit()
376 MODULE_DESCRIPTION("CMA3000-D0x Accelerometer Driver");