72 	struct iio_backend *back;  member
82 #define iio_backend_check_op(back, op) ({ \  argument
83 	struct iio_backend *____back = back;				\
92 #define iio_backend_op_call(back, op, args...) ({		\  argument
93 	struct iio_backend *__back = back;			\
103 #define iio_backend_ptr_op_call(back, op, args...) ({		\  argument
104 	struct iio_backend *__back = back;			\
117 #define iio_backend_void_op_call(back, op, args...) {		\  argument
118 	struct iio_backend *__back = back;			\
133 	struct iio_backend *back = file->private_data;  in iio_backend_debugfs_read_reg()  local
138 	ret = iio_backend_op_call(back, debugfs_reg_access,  in iio_backend_debugfs_read_reg()
139 				  back->cached_reg_addr, 0, &val);  in iio_backend_debugfs_read_reg()
152 	struct iio_backend *back = file->private_data;  in iio_backend_debugfs_write_reg()  local
164 	ret = sscanf(buf, "%i %i", &back->cached_reg_addr, &val);  in iio_backend_debugfs_write_reg()
170 		ret = iio_backend_op_call(back, debugfs_reg_access,  in iio_backend_debugfs_write_reg()
171 					  back->cached_reg_addr, val, NULL);  in iio_backend_debugfs_write_reg()
190 	struct iio_backend *back = file->private_data;  in iio_backend_debugfs_read_name()  local
194 	len = scnprintf(name, sizeof(name), "%s\n", back->name);  in iio_backend_debugfs_read_name()
206  * @back: Backend device
209 void iio_backend_debugfs_add(struct iio_backend *back,  in iio_backend_debugfs_add()  argument
218 	if (!back->ops->debugfs_reg_access && !back->name)  in iio_backend_debugfs_add()
221 	snprintf(name, sizeof(name), "backend%d", back->idx);  in iio_backend_debugfs_add()
227 	if (back->ops->debugfs_reg_access)  in iio_backend_debugfs_add()
228 		debugfs_create_file("direct_reg_access", 0600, back_d, back,  in iio_backend_debugfs_add()
231 	if (back->name)  in iio_backend_debugfs_add()
232 		debugfs_create_file("name", 0400, back_d, back,  in iio_backend_debugfs_add()
239  * @back: Backend device
251 ssize_t iio_backend_debugfs_print_chan_status(struct iio_backend *back,  in iio_backend_debugfs_print_chan_status()  argument
258 	return iio_backend_op_call(back, debugfs_print_chan_status, chan, buf,  in iio_backend_debugfs_print_chan_status()
265  * @back: Backend device
271 int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_enable()  argument
273 	return iio_backend_op_call(back, chan_enable, chan);  in iio_backend_chan_enable()
279  * @back: Backend device
285 int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_disable()  argument
287 	return iio_backend_op_call(back, chan_disable, chan);  in iio_backend_chan_disable()
291 static void __iio_backend_disable(void *back)  in __iio_backend_disable()  argument
293 	iio_backend_void_op_call(back, disable);  in __iio_backend_disable()
298  * @back: Backend device
300 void iio_backend_disable(struct iio_backend *back)  in iio_backend_disable()  argument
302 	__iio_backend_disable(back);  in iio_backend_disable()
308  * @back: Backend device
313 int iio_backend_enable(struct iio_backend *back)  in iio_backend_enable()  argument
315 	return iio_backend_op_call(back, enable);  in iio_backend_enable()
322  * @back: Backend device
327 int devm_iio_backend_enable(struct device *dev, struct iio_backend *back)  in devm_iio_backend_enable()  argument
331 	ret = iio_backend_enable(back);  in devm_iio_backend_enable()
335 	return devm_add_action_or_reset(dev, __iio_backend_disable, back);  in devm_iio_backend_enable()
341  * @back: Backend device
351 int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,  in iio_backend_data_format_set()  argument
357 	return iio_backend_op_call(back, data_format_set, chan, data);  in iio_backend_data_format_set()
363  * @back: Backend device
373 int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan,  in iio_backend_data_source_set()  argument
379 	return iio_backend_op_call(back, data_source_set, chan, data);  in iio_backend_data_source_set()
385  * @back: Backend device
392 int iio_backend_set_sampling_freq(struct iio_backend *back, unsigned int chan,  in iio_backend_set_sampling_freq()  argument
395 	return iio_backend_op_call(back, set_sample_rate, chan, sample_rate_hz);  in iio_backend_set_sampling_freq()
401  * @back: Backend device
411 int iio_backend_test_pattern_set(struct iio_backend *back,  in iio_backend_test_pattern_set()  argument
418 	return iio_backend_op_call(back, test_pattern_set, chan, pattern);  in iio_backend_test_pattern_set()
424  * @back: Backend device
434 int iio_backend_chan_status(struct iio_backend *back, unsigned int chan,  in iio_backend_chan_status()  argument
437 	return iio_backend_op_call(back, chan_status, chan, error);  in iio_backend_chan_status()
443  * @back: Backend device
457 int iio_backend_iodelay_set(struct iio_backend *back, unsigned int lane,  in iio_backend_iodelay_set()  argument
460 	return iio_backend_op_call(back, iodelay_set, lane, taps);  in iio_backend_iodelay_set()
466  * @back: Backend device
475 int iio_backend_data_sample_trigger(struct iio_backend *back,  in iio_backend_data_sample_trigger()  argument
481 	return iio_backend_op_call(back, data_sample_trigger, trigger);  in iio_backend_data_sample_trigger()
489 	iio_backend_void_op_call(pair->back, free_buffer, pair->buffer);  in iio_backend_free_buffer()
495  * @back: Backend device
508 				    struct iio_backend *back,  in devm_iio_backend_request_buffer()  argument
518 	buffer = iio_backend_ptr_op_call(back, request_buffer, indio_dev);  in devm_iio_backend_request_buffer()
523 	pair->back = back;  in devm_iio_backend_request_buffer()
532  * @back:	Backend device
541 int iio_backend_read_raw(struct iio_backend *back,  in iio_backend_read_raw()  argument
545 	return iio_backend_op_call(back, read_raw, chan, val, val2, mask);  in iio_backend_read_raw()
551 	struct iio_backend *back = ERR_PTR(-ENODEV), *iter;  in iio_backend_from_indio_dev_parent()  local
563 			if (!IS_ERR(back)) {  in iio_backend_from_indio_dev_parent()
569 			back = iter;  in iio_backend_from_indio_dev_parent()
573 	return back;  in iio_backend_from_indio_dev_parent()
594 	struct iio_backend *back;  in iio_backend_ext_info_get()  local
603 	back = iio_backend_from_indio_dev_parent(indio_dev->dev.parent);  in iio_backend_ext_info_get()
604 	if (IS_ERR(back))  in iio_backend_ext_info_get()
605 		return PTR_ERR(back);  in iio_backend_ext_info_get()
607 	return iio_backend_op_call(back, ext_info_get, private, chan, buf);  in iio_backend_ext_info_get()
631 	struct iio_backend *back;  in iio_backend_ext_info_set()  local
633 	back = iio_backend_from_indio_dev_parent(indio_dev->dev.parent);  in iio_backend_ext_info_set()
634 	if (IS_ERR(back))  in iio_backend_ext_info_set()
635 		return PTR_ERR(back);  in iio_backend_ext_info_set()
637 	return iio_backend_op_call(back, ext_info_set, private, chan, buf, len);  in iio_backend_ext_info_set()
643  * @back: Backend device
652 int iio_backend_extend_chan_spec(struct iio_backend *back,  in iio_backend_extend_chan_spec()  argument
659 	ret = iio_backend_op_call(back, extend_chan_spec, chan);  in iio_backend_extend_chan_spec()
686 	struct iio_backend *back = arg;  in iio_backend_release()  local
688 	module_put(back->owner);  in iio_backend_release()
691 static int __devm_iio_backend_get(struct device *dev, struct iio_backend *back)  in __devm_iio_backend_get()  argument
702 	if (!try_module_get(back->owner))  in __devm_iio_backend_get()
706 	ret = devm_add_action_or_reset(dev, iio_backend_release, back);  in __devm_iio_backend_get()
710 	link = device_link_add(dev, back->dev, DL_FLAG_AUTOREMOVE_CONSUMER);  in __devm_iio_backend_get()
714 				     dev_name(back->dev));  in __devm_iio_backend_get()
716 	back->frontend_dev = dev;  in __devm_iio_backend_get()
718 	dev_dbg(dev, "Found backend(%s) device\n", dev_name(back->dev));  in __devm_iio_backend_get()
725  * @back: Backend device
733 int iio_backend_ddr_enable(struct iio_backend *back)  in iio_backend_ddr_enable()  argument
735 	return iio_backend_op_call(back, ddr_enable);  in iio_backend_ddr_enable()
741  * @back: Backend device
748 int iio_backend_ddr_disable(struct iio_backend *back)  in iio_backend_ddr_disable()  argument
750 	return iio_backend_op_call(back, ddr_disable);  in iio_backend_ddr_disable()
756  * @back: Backend device
763 int iio_backend_data_stream_enable(struct iio_backend *back)  in iio_backend_data_stream_enable()  argument
765 	return iio_backend_op_call(back, data_stream_enable);  in iio_backend_data_stream_enable()
771  * @back: Backend device
778 int iio_backend_data_stream_disable(struct iio_backend *back)  in iio_backend_data_stream_disable()  argument
780 	return iio_backend_op_call(back, data_stream_disable);  in iio_backend_data_stream_disable()
786  * @back: Backend device
795 int iio_backend_data_transfer_addr(struct iio_backend *back, u32 address)  in iio_backend_data_transfer_addr()  argument
797 	return iio_backend_op_call(back, data_transfer_addr, address);  in iio_backend_data_transfer_addr()
805 	struct iio_backend *back;  in __devm_iio_backend_fwnode_get()  local
825 	list_for_each_entry(back, &iio_back_list, entry) {  in __devm_iio_backend_fwnode_get()
826 		if (!device_match_fwnode(back->dev, fwnode_back))  in __devm_iio_backend_fwnode_get()
830 		ret = __devm_iio_backend_get(dev, back);  in __devm_iio_backend_fwnode_get()
835 			back->idx = index;  in __devm_iio_backend_fwnode_get()
837 		return back;  in __devm_iio_backend_fwnode_get()
895 	struct iio_backend *back;  in __devm_iio_backend_get_from_fwnode_lookup()  local
899 	list_for_each_entry(back, &iio_back_list, entry) {  in __devm_iio_backend_get_from_fwnode_lookup()
900 		if (!device_match_fwnode(back->dev, fwnode))  in __devm_iio_backend_get_from_fwnode_lookup()
903 		ret = __devm_iio_backend_get(dev, back);  in __devm_iio_backend_get_from_fwnode_lookup()
907 		return back;  in __devm_iio_backend_get_from_fwnode_lookup()
916  * @back: Backend device
918 void *iio_backend_get_priv(const struct iio_backend *back)  in iio_backend_get_priv()  argument
920 	return back->priv;  in iio_backend_get_priv()
926 	struct iio_backend *back = arg;  in iio_backend_unregister()  local
929 	list_del(&back->entry);  in iio_backend_unregister()
946 	struct iio_backend *back;  in devm_iio_backend_register()  local
957 	back = devm_kzalloc(dev, sizeof(*back), GFP_KERNEL);  in devm_iio_backend_register()
958 	if (!back)  in devm_iio_backend_register()
961 	back->ops = info->ops;  in devm_iio_backend_register()
962 	back->name = info->name;  in devm_iio_backend_register()
963 	back->owner = dev->driver->owner;  in devm_iio_backend_register()
964 	back->dev = dev;  in devm_iio_backend_register()
965 	back->priv = priv;  in devm_iio_backend_register()
967 		list_add(&back->entry, &iio_back_list);  in devm_iio_backend_register()
969 	return devm_add_action_or_reset(dev, iio_backend_unregister, back);  in devm_iio_backend_register()