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
84 	cnt = list_count_nodes(&ptp->tsevqs);  in extts_fifo_show()
89 	queue = list_first_entry(&ptp->tsevqs, struct timestamp_event_queue,  in extts_fifo_show()
116 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in period_store()  local
117 	struct ptp_clock_info *ops = ptp->info;  in period_store()
144 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in pps_enable_store()  local
145 	struct ptp_clock_info *ops = ptp->info;  in pps_enable_store()
169 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in unregister_vclock()  local
170 	struct ptp_clock_info *info = ptp->info;  in unregister_vclock()
175 	dev_info(dev->parent, "delete virtual clock ptp%d\n",  in unregister_vclock()
191 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in n_vclocks_show()  local
194 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in n_vclocks_show()
197 	size = snprintf(page, PAGE_SIZE - 1, "%u\n", ptp->n_vclocks);  in n_vclocks_show()
199 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_show()
208 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in n_vclocks_store()  local
216 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in n_vclocks_store()
219 	if (num > ptp->max_vclocks) {  in n_vclocks_store()
220 		dev_err(dev, "max value is %d\n", ptp->max_vclocks);  in n_vclocks_store()
225 	if (num > ptp->n_vclocks) {  in n_vclocks_store()
226 		for (i = 0; i < num - ptp->n_vclocks; i++) {  in n_vclocks_store()
227 			vclock = ptp_vclock_register(ptp);  in n_vclocks_store()
231 			*(ptp->vclock_index + ptp->n_vclocks + i) =  in n_vclocks_store()
234 			dev_info(dev, "new virtual clock ptp%d\n",  in n_vclocks_store()
240 	if (num < ptp->n_vclocks) {  in n_vclocks_store()
241 		i = ptp->n_vclocks - num;  in n_vclocks_store()
245 		for (i = 1; i <= ptp->n_vclocks - num; i++)  in n_vclocks_store()
246 			*(ptp->vclock_index + ptp->n_vclocks - i) = -1;  in n_vclocks_store()
250 	if (!ptp->has_cycles) {  in n_vclocks_store()
257 	ptp->n_vclocks = num;  in n_vclocks_store()
258 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_store()
262 	mutex_unlock(&ptp->n_vclocks_mux);  in n_vclocks_store()
270 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in max_vclocks_show()  local
273 	size = snprintf(page, PAGE_SIZE - 1, "%u\n", ptp->max_vclocks);  in max_vclocks_show()
282 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in max_vclocks_store()  local
291 	if (max == ptp->max_vclocks)  in max_vclocks_store()
294 	if (mutex_lock_interruptible(&ptp->n_vclocks_mux))  in max_vclocks_store()
297 	if (max < ptp->n_vclocks)  in max_vclocks_store()
307 	size = sizeof(int) * ptp->n_vclocks;  in max_vclocks_store()
308 	memcpy(vclock_index, ptp->vclock_index, size);  in max_vclocks_store()
310 	kfree(ptp->vclock_index);  in max_vclocks_store()
311 	ptp->vclock_index = vclock_index;  in max_vclocks_store()
312 	ptp->max_vclocks = max;  in max_vclocks_store()
314 	mutex_unlock(&ptp->n_vclocks_mux);  in max_vclocks_store()
318 	mutex_unlock(&ptp->n_vclocks_mux);  in max_vclocks_store()
347 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_is_attribute_visible()  local
348 	struct ptp_clock_info *info = ptp->info;  in ptp_is_attribute_visible()
363 		if (ptp->is_virtual_clock)  in ptp_is_attribute_visible()
383 static int ptp_pin_name2index(struct ptp_clock *ptp, const char *name)  in ptp_pin_name2index()  argument
386 	for (i = 0; i < ptp->info->n_pins; i++) {  in ptp_pin_name2index()
387 		if (!strcmp(ptp->info->pin_config[i].name, name))  in ptp_pin_name2index()
396 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_pin_show()  local
400 	index = ptp_pin_name2index(ptp, attr->attr.name);  in ptp_pin_show()
404 	if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_pin_show()
407 	func = ptp->info->pin_config[index].func;  in ptp_pin_show()
408 	chan = ptp->info->pin_config[index].chan;  in ptp_pin_show()
410 	mutex_unlock(&ptp->pincfg_mux);  in ptp_pin_show()
418 	struct ptp_clock *ptp = dev_get_drvdata(dev);  in ptp_pin_store()  local
426 	index = ptp_pin_name2index(ptp, attr->attr.name);  in ptp_pin_store()
430 	if (mutex_lock_interruptible(&ptp->pincfg_mux))  in ptp_pin_store()
432 	err = ptp_set_pinfunc(ptp, index, func, chan);  in ptp_pin_store()
433 	mutex_unlock(&ptp->pincfg_mux);  in ptp_pin_store()
440 int ptp_populate_pin_groups(struct ptp_clock *ptp)  in ptp_populate_pin_groups()  argument
442 	struct ptp_clock_info *info = ptp->info;  in ptp_populate_pin_groups()
448 	ptp->pin_dev_attr = kcalloc(n_pins, sizeof(*ptp->pin_dev_attr),  in ptp_populate_pin_groups()
450 	if (!ptp->pin_dev_attr)  in ptp_populate_pin_groups()
453 	ptp->pin_attr = kcalloc(1 + n_pins, sizeof(*ptp->pin_attr), GFP_KERNEL);  in ptp_populate_pin_groups()
454 	if (!ptp->pin_attr)  in ptp_populate_pin_groups()
458 		struct device_attribute *da = &ptp->pin_dev_attr[i];  in ptp_populate_pin_groups()
464 		ptp->pin_attr[i] = &da->attr;  in ptp_populate_pin_groups()
467 	ptp->pin_attr_group.name = "pins";  in ptp_populate_pin_groups()
468 	ptp->pin_attr_group.attrs = ptp->pin_attr;  in ptp_populate_pin_groups()
470 	ptp->pin_attr_groups[0] = &ptp->pin_attr_group;  in ptp_populate_pin_groups()
475 	kfree(ptp->pin_dev_attr);  in ptp_populate_pin_groups()
480 void ptp_cleanup_pin_groups(struct ptp_clock *ptp)  in ptp_cleanup_pin_groups()  argument
482 	kfree(ptp->pin_attr);  in ptp_cleanup_pin_groups()
483 	kfree(ptp->pin_dev_attr);  in ptp_cleanup_pin_groups()