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
167 	ret = sscanf(buf, "%i %i", &back->cached_reg_addr, &val);  in iio_backend_debugfs_write_reg()
173 		ret = iio_backend_op_call(back, debugfs_reg_access,  in iio_backend_debugfs_write_reg()
174 					  back->cached_reg_addr, val, NULL);  in iio_backend_debugfs_write_reg()
193 	struct iio_backend *back = file->private_data;  in iio_backend_debugfs_read_name()  local
197 	len = scnprintf(name, sizeof(name), "%s\n", back->name);  in iio_backend_debugfs_read_name()
209  * @back: Backend device
212 void iio_backend_debugfs_add(struct iio_backend *back,  in iio_backend_debugfs_add()  argument
221 	if (!back->ops->debugfs_reg_access && !back->name)  in iio_backend_debugfs_add()
224 	snprintf(name, sizeof(name), "backend%d", back->idx);  in iio_backend_debugfs_add()
230 	if (back->ops->debugfs_reg_access)  in iio_backend_debugfs_add()
231 		debugfs_create_file("direct_reg_access", 0600, back_d, back,  in iio_backend_debugfs_add()
234 	if (back->name)  in iio_backend_debugfs_add()
235 		debugfs_create_file("name", 0400, back_d, back,  in iio_backend_debugfs_add()
242  * @back: Backend device
254 ssize_t iio_backend_debugfs_print_chan_status(struct iio_backend *back,  in iio_backend_debugfs_print_chan_status()  argument
261 	return iio_backend_op_call(back, debugfs_print_chan_status, chan, buf,  in iio_backend_debugfs_print_chan_status()
268  * @back: Backend device
274 int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_enable()  argument
276 	return iio_backend_op_call(back, chan_enable, chan);  in iio_backend_chan_enable()
282  * @back: Backend device
288 int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan)  in iio_backend_chan_disable()  argument
290 	return iio_backend_op_call(back, chan_disable, chan);  in iio_backend_chan_disable()
294 static void __iio_backend_disable(void *back)  in __iio_backend_disable()  argument
296 	iio_backend_void_op_call(back, disable);  in __iio_backend_disable()
301  * @back: Backend device
303 void iio_backend_disable(struct iio_backend *back)  in iio_backend_disable()  argument
305 	__iio_backend_disable(back);  in iio_backend_disable()
311  * @back: Backend device
316 int iio_backend_enable(struct iio_backend *back)  in iio_backend_enable()  argument
318 	return iio_backend_op_call(back, enable);  in iio_backend_enable()
325  * @back: Backend device
330 int devm_iio_backend_enable(struct device *dev, struct iio_backend *back)  in devm_iio_backend_enable()  argument
334 	ret = iio_backend_enable(back);  in devm_iio_backend_enable()
338 	return devm_add_action_or_reset(dev, __iio_backend_disable, back);  in devm_iio_backend_enable()
344  * @back: Backend device
354 int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,  in iio_backend_data_format_set()  argument
360 	return iio_backend_op_call(back, data_format_set, chan, data);  in iio_backend_data_format_set()
366  * @back: Backend device
376 int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan,  in iio_backend_data_source_set()  argument
382 	return iio_backend_op_call(back, data_source_set, chan, data);  in iio_backend_data_source_set()
388  * @back: Backend device
398 int iio_backend_data_source_get(struct iio_backend *back, unsigned int chan,  in iio_backend_data_source_get()  argument
403 	ret = iio_backend_op_call(back, data_source_get, chan, data);  in iio_backend_data_source_get()
416  * @back: Backend device
423 int iio_backend_set_sampling_freq(struct iio_backend *back, unsigned int chan,  in iio_backend_set_sampling_freq()  argument
426 	return iio_backend_op_call(back, set_sample_rate, chan, sample_rate_hz);  in iio_backend_set_sampling_freq()
432  * @back: Backend device
442 int iio_backend_test_pattern_set(struct iio_backend *back,  in iio_backend_test_pattern_set()  argument
449 	return iio_backend_op_call(back, test_pattern_set, chan, pattern);  in iio_backend_test_pattern_set()
455  * @back: Backend device
465 int iio_backend_chan_status(struct iio_backend *back, unsigned int chan,  in iio_backend_chan_status()  argument
468 	return iio_backend_op_call(back, chan_status, chan, error);  in iio_backend_chan_status()
474  * @back: Backend device
488 int iio_backend_iodelay_set(struct iio_backend *back, unsigned int lane,  in iio_backend_iodelay_set()  argument
491 	return iio_backend_op_call(back, iodelay_set, lane, taps);  in iio_backend_iodelay_set()
497  * @back: Backend device
506 int iio_backend_data_sample_trigger(struct iio_backend *back,  in iio_backend_data_sample_trigger()  argument
512 	return iio_backend_op_call(back, data_sample_trigger, trigger);  in iio_backend_data_sample_trigger()
520 	iio_backend_void_op_call(pair->back, free_buffer, pair->buffer);  in iio_backend_free_buffer()
526  * @back: Backend device
539 				    struct iio_backend *back,  in devm_iio_backend_request_buffer()  argument
549 	buffer = iio_backend_ptr_op_call(back, request_buffer, indio_dev);  in devm_iio_backend_request_buffer()
554 	pair->back = back;  in devm_iio_backend_request_buffer()
563  * @back:	Backend device
572 int iio_backend_read_raw(struct iio_backend *back,  in iio_backend_read_raw()  argument
576 	return iio_backend_op_call(back, read_raw, chan, val, val2, mask);  in iio_backend_read_raw()
582 	struct iio_backend *back = ERR_PTR(-ENODEV), *iter;  in iio_backend_from_indio_dev_parent()  local
594 			if (!IS_ERR(back)) {  in iio_backend_from_indio_dev_parent()
600 			back = iter;  in iio_backend_from_indio_dev_parent()
604 	return back;  in iio_backend_from_indio_dev_parent()
625 	struct iio_backend *back;  in iio_backend_ext_info_get()  local
634 	back = iio_backend_from_indio_dev_parent(indio_dev->dev.parent);  in iio_backend_ext_info_get()
635 	if (IS_ERR(back))  in iio_backend_ext_info_get()
636 		return PTR_ERR(back);  in iio_backend_ext_info_get()
638 	return iio_backend_op_call(back, ext_info_get, private, chan, buf);  in iio_backend_ext_info_get()
662 	struct iio_backend *back;  in iio_backend_ext_info_set()  local
664 	back = iio_backend_from_indio_dev_parent(indio_dev->dev.parent);  in iio_backend_ext_info_set()
665 	if (IS_ERR(back))  in iio_backend_ext_info_set()
666 		return PTR_ERR(back);  in iio_backend_ext_info_set()
668 	return iio_backend_op_call(back, ext_info_set, private, chan, buf, len);  in iio_backend_ext_info_set()
674  * @back: Backend device
680 int iio_backend_interface_type_get(struct iio_backend *back,  in iio_backend_interface_type_get()  argument
685 	ret = iio_backend_op_call(back, interface_type_get, type);  in iio_backend_interface_type_get()
698  * @back: Backend device
708 int iio_backend_data_size_set(struct iio_backend *back, unsigned int size)  in iio_backend_data_size_set()  argument
713 	return iio_backend_op_call(back, data_size_set, size);  in iio_backend_data_size_set()
719  * @back: Backend device
725 int iio_backend_oversampling_ratio_set(struct iio_backend *back,  in iio_backend_oversampling_ratio_set()  argument
729 	return iio_backend_op_call(back, oversampling_ratio_set, chan, ratio);  in iio_backend_oversampling_ratio_set()
735  * @back: Backend device
744 int iio_backend_extend_chan_spec(struct iio_backend *back,  in iio_backend_extend_chan_spec()  argument
751 	ret = iio_backend_op_call(back, extend_chan_spec, chan);  in iio_backend_extend_chan_spec()
778 	struct iio_backend *back = arg;  in iio_backend_release()  local
780 	module_put(back->owner);  in iio_backend_release()
783 static int __devm_iio_backend_get(struct device *dev, struct iio_backend *back)  in __devm_iio_backend_get()  argument
794 	if (!try_module_get(back->owner))  in __devm_iio_backend_get()
798 	ret = devm_add_action_or_reset(dev, iio_backend_release, back);  in __devm_iio_backend_get()
802 	link = device_link_add(dev, back->dev, DL_FLAG_AUTOREMOVE_CONSUMER);  in __devm_iio_backend_get()
806 				     dev_name(back->dev));  in __devm_iio_backend_get()
808 	back->frontend_dev = dev;  in __devm_iio_backend_get()
810 	dev_dbg(dev, "Found backend(%s) device\n", dev_name(back->dev));  in __devm_iio_backend_get()
817  * @back: Backend device
823 int iio_backend_filter_type_set(struct iio_backend *back,  in iio_backend_filter_type_set()  argument
829 	return iio_backend_op_call(back, filter_type_set, type);  in iio_backend_filter_type_set()
835  * @back: Backend device
847 int iio_backend_interface_data_align(struct iio_backend *back, u32 timeout_us)  in iio_backend_interface_data_align()  argument
852 	return iio_backend_op_call(back, interface_data_align, timeout_us);  in iio_backend_interface_data_align()
858  * @back: Backend device
864 int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_lanes)  in iio_backend_num_lanes_set()  argument
869 	return iio_backend_op_call(back, num_lanes_set, num_lanes);  in iio_backend_num_lanes_set()
875  * @back: Backend device
883 int iio_backend_ddr_enable(struct iio_backend *back)  in iio_backend_ddr_enable()  argument
885 	return iio_backend_op_call(back, ddr_enable);  in iio_backend_ddr_enable()
891  * @back: Backend device
898 int iio_backend_ddr_disable(struct iio_backend *back)  in iio_backend_ddr_disable()  argument
900 	return iio_backend_op_call(back, ddr_disable);  in iio_backend_ddr_disable()
906  * @back: Backend device
913 int iio_backend_data_stream_enable(struct iio_backend *back)  in iio_backend_data_stream_enable()  argument
915 	return iio_backend_op_call(back, data_stream_enable);  in iio_backend_data_stream_enable()
921  * @back: Backend device
928 int iio_backend_data_stream_disable(struct iio_backend *back)  in iio_backend_data_stream_disable()  argument
930 	return iio_backend_op_call(back, data_stream_disable);  in iio_backend_data_stream_disable()
936  * @back: Backend device
945 int iio_backend_data_transfer_addr(struct iio_backend *back, u32 address)  in iio_backend_data_transfer_addr()  argument
947 	return iio_backend_op_call(back, data_transfer_addr, address);  in iio_backend_data_transfer_addr()
955 	struct iio_backend *back;  in __devm_iio_backend_fwnode_get()  local
975 	list_for_each_entry(back, &iio_back_list, entry) {  in __devm_iio_backend_fwnode_get()
976 		if (!device_match_fwnode(back->dev, fwnode_back))  in __devm_iio_backend_fwnode_get()
980 		ret = __devm_iio_backend_get(dev, back);  in __devm_iio_backend_fwnode_get()
985 			back->idx = index;  in __devm_iio_backend_fwnode_get()
987 		return back;  in __devm_iio_backend_fwnode_get()
1045 	struct iio_backend *back;  in __devm_iio_backend_get_from_fwnode_lookup()  local
1049 	list_for_each_entry(back, &iio_back_list, entry) {  in __devm_iio_backend_get_from_fwnode_lookup()
1050 		if (!device_match_fwnode(back->dev, fwnode))  in __devm_iio_backend_get_from_fwnode_lookup()
1053 		ret = __devm_iio_backend_get(dev, back);  in __devm_iio_backend_get_from_fwnode_lookup()
1057 		return back;  in __devm_iio_backend_get_from_fwnode_lookup()
1066  * @back: Backend device
1068 void *iio_backend_get_priv(const struct iio_backend *back)  in iio_backend_get_priv()  argument
1070 	return back->priv;  in iio_backend_get_priv()
1076 	struct iio_backend *back = arg;  in iio_backend_unregister()  local
1079 	list_del(&back->entry);  in iio_backend_unregister()
1096 	struct iio_backend *back;  in devm_iio_backend_register()  local
1107 	back = devm_kzalloc(dev, sizeof(*back), GFP_KERNEL);  in devm_iio_backend_register()
1108 	if (!back)  in devm_iio_backend_register()
1111 	back->ops = info->ops;  in devm_iio_backend_register()
1112 	back->name = info->name;  in devm_iio_backend_register()
1113 	back->owner = dev->driver->owner;  in devm_iio_backend_register()
1114 	back->dev = dev;  in devm_iio_backend_register()
1115 	back->priv = priv;  in devm_iio_backend_register()
1117 		list_add(&back->entry, &iio_back_list);  in devm_iio_backend_register()
1119 	return devm_add_action_or_reset(dev, iio_backend_unregister, back);  in devm_iio_backend_register()