3  * PTP 1588 clock support - sysfs interface.
16 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in clock_name_show()  local
17 	return sysfs_emit(page, "%s\n", ptp->info->name);  in clock_name_show()
25 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in max_phase_adjustment_show()  local
28 			ptp->info->getmaxphase(ptp->info));  in max_phase_adjustment_show()
36 	struct ptp_clock *ptp = dev_get_drvdata(dev);			\
37 	return snprintf(page, PAGE_SIZE-1, "%d\n", ptp->info->var);	\
52 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in extts_enable_store()  local
53 	struct ptp_clock_info *ops = ptp->info;  in extts_enable_store()
77 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in extts_fifo_show()  local
78 	struct timestamp_event_queue *queue = &ptp->tsevq;  in extts_fifo_show()
86 	if (mutex_lock_interruptible(&ptp->tsevq_mux))  in extts_fifo_show()
104 	mutex_unlock(&ptp->tsevq_mux);  in extts_fifo_show()
113 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in period_store()  local
114 	struct ptp_clock_info *ops = ptp->info;  in period_store()
141 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in pps_enable_store()  local
142 	struct ptp_clock_info *ops = ptp->info;  in pps_enable_store()
166 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in unregister_vclock()  local
167 	struct ptp_clock_info *info = ptp->info;  in unregister_vclock()
172 	dev_info(dev->parent, "delete virtual clock ptp%d\n",  in unregister_vclock()
188 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in n_vclocks_show()  local
191 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in n_vclocks_show()
194 	size = snprintf(page, PAGE_SIZE - 1, "%u\n", ptp->n_vclocks);  in n_vclocks_show()
196 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_show()
205 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in n_vclocks_store()  local
213 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in n_vclocks_store()
216 	if (num > ptp->max_vclocks) {  in n_vclocks_store()
217 		dev_err(dev, "max value is %d\n", ptp->max_vclocks);  in n_vclocks_store()
222 	if (num > ptp->n_vclocks) {  in n_vclocks_store()
223 		for (i = 0; i < num - ptp->n_vclocks; i++) {  in n_vclocks_store()
224 			vclock = ptp_vclock_register(ptp);  in n_vclocks_store()
228 			*(ptp->vclock_index + ptp->n_vclocks + i) =  in n_vclocks_store()
231 			dev_info(dev, "new virtual clock ptp%d\n",  in n_vclocks_store()
237 	if (num < ptp->n_vclocks) {  in n_vclocks_store()
238 		i = ptp->n_vclocks - num;  in n_vclocks_store()
242 		for (i = 1; i <= ptp->n_vclocks - num; i++)  in n_vclocks_store()
243 			*(ptp->vclock_index + ptp->n_vclocks - i) = -1;  in n_vclocks_store()
247 	if (!ptp->has_cycles) {  in n_vclocks_store()
254 	ptp->n_vclocks = num;  in n_vclocks_store()
255 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_store()
259 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_store()
267 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in max_vclocks_show()  local
270 	size = snprintf(page, PAGE_SIZE - 1, "%u\n", ptp->max_vclocks);  in max_vclocks_show()
279 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in max_vclocks_store()  local
288 	if (max == ptp->max_vclocks)  in max_vclocks_store()
291 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in max_vclocks_store()
294 	if (max < ptp->n_vclocks)  in max_vclocks_store()
303 	size = sizeof(int) * ptp->n_vclocks;  in max_vclocks_store()
304 	memcpy(vclock_index, ptp->vclock_index, size);  in max_vclocks_store()
306 	kfree(ptp->vclock_index);  in max_vclocks_store()
307 	ptp->vclock_index = vclock_index;  in max_vclocks_store()
308 	ptp->max_vclocks = max;  in max_vclocks_store()
310 	mutex_unlock(&ptp->n_vclocks_mux);  in max_vclocks_store()
314 	mutex_unlock(&ptp->n_vclocks_mux);  in max_vclocks_store()
343 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_is_attribute_visible()  local
344 	struct ptp_clock_info *info = ptp->info;  in ptp_is_attribute_visible()
359 		if (ptp->is_virtual_clock)  in ptp_is_attribute_visible()
379 static int ptp_pin_name2index(struct ptp_clock *ptp, const char *name)  in ptp_pin_name2index()  argument
382 	for (i = 0; i < ptp->info->n_pins; i++) {  in ptp_pin_name2index()
383 		if (!strcmp(ptp->info->pin_config[i].name, name))  in ptp_pin_name2index()
392 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_pin_show()  local
396 	index = ptp_pin_name2index(ptp, attr->attr.name);  in ptp_pin_show()
400 	if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_pin_show()
403 	func = ptp->info->pin_config[index].func;  in ptp_pin_show()
404 	chan = ptp->info->pin_config[index].chan;  in ptp_pin_show()
406 	mutex_unlock(&ptp->pincfg_mux);  in ptp_pin_show()
414 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_pin_store()  local
422 	index = ptp_pin_name2index(ptp, attr->attr.name);  in ptp_pin_store()
426 	if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_pin_store()
428 	err = ptp_set_pinfunc(ptp, index, func, chan);  in ptp_pin_store()
429 	mutex_unlock(&ptp->pincfg_mux);  in ptp_pin_store()
436 int ptp_populate_pin_groups(struct ptp_clock *ptp)  in ptp_populate_pin_groups()  argument
438 	struct ptp_clock_info *info = ptp->info;  in ptp_populate_pin_groups()
444 	ptp->pin_dev_attr = kcalloc(n_pins, sizeof(*ptp->pin_dev_attr),  in ptp_populate_pin_groups()
446 	if (!ptp->pin_dev_attr)  in ptp_populate_pin_groups()
449 	ptp->pin_attr = kcalloc(1 + n_pins, sizeof(*ptp->pin_attr), GFP_KERNEL);  in ptp_populate_pin_groups()
450 	if (!ptp->pin_attr)  in ptp_populate_pin_groups()
454 		struct device_attribute *da = &ptp->pin_dev_attr[i];  in ptp_populate_pin_groups()
460 		ptp->pin_attr[i] = &da->attr;  in ptp_populate_pin_groups()
463 	ptp->pin_attr_group.name = "pins";  in ptp_populate_pin_groups()
464 	ptp->pin_attr_group.attrs = ptp->pin_attr;  in ptp_populate_pin_groups()
466 	ptp->pin_attr_groups[0] = &ptp->pin_attr_group;  in ptp_populate_pin_groups()
471 	kfree(ptp->pin_dev_attr);  in ptp_populate_pin_groups()
476 void ptp_cleanup_pin_groups(struct ptp_clock *ptp)  in ptp_cleanup_pin_groups()  argument
478 	kfree(ptp->pin_attr);  in ptp_cleanup_pin_groups()
479 	kfree(ptp->pin_dev_attr);  in ptp_cleanup_pin_groups()