1 // SPDX-License-Identifier: GPL-2.0-or-later
77 	int *idxp = file->private_data;  in q54sj108a2_debugfs_read()
86 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_OPERATION);  in q54sj108a2_debugfs_read()
93 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_WRITE_PROTECT);  in q54sj108a2_debugfs_read()
100 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_VOUT_OV_FAULT_RESPONSE);  in q54sj108a2_debugfs_read()
107 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_IOUT_OC_FAULT_RESPONSE);  in q54sj108a2_debugfs_read()
114 		rc = i2c_smbus_read_byte_data(psu->client, PMBUS_REVISION);  in q54sj108a2_debugfs_read()
121 		rc = i2c_smbus_read_block_data(psu->client, PMBUS_MFR_ID, data);  in q54sj108a2_debugfs_read()
126 		rc = i2c_smbus_read_block_data(psu->client, PMBUS_MFR_MODEL, data);  in q54sj108a2_debugfs_read()
131 		rc = i2c_smbus_read_block_data(psu->client, PMBUS_MFR_REVISION, data);  in q54sj108a2_debugfs_read()
136 		rc = i2c_smbus_read_block_data(psu->client, PMBUS_MFR_LOCATION, data);  in q54sj108a2_debugfs_read()
141 		rc = i2c_smbus_read_byte_data(psu->client, READ_HISTORY_EVENT_NUMBER);  in q54sj108a2_debugfs_read()
148 		rc = i2c_smbus_read_block_data(psu->client, READ_HISTORY_EVENTS, data);  in q54sj108a2_debugfs_read()
153 		rc = res - data;  in q54sj108a2_debugfs_read()
157 		rc = i2c_smbus_read_block_data(psu->client, PMBUS_FLASH_KEY_WRITE, data);  in q54sj108a2_debugfs_read()
162 		rc = res - data;  in q54sj108a2_debugfs_read()
166 		return -EINVAL;  in q54sj108a2_debugfs_read()
181 	int *idxp = file->private_data;  in q54sj108a2_debugfs_write()
185 	rc = i2c_smbus_write_byte_data(psu->client, PMBUS_WRITE_PROTECT, 0);  in q54sj108a2_debugfs_write()
195 		rc = i2c_smbus_write_byte_data(psu->client, PMBUS_OPERATION, dst_data);  in q54sj108a2_debugfs_write()
201 		rc = i2c_smbus_write_byte(psu->client, PMBUS_CLEAR_FAULTS);  in q54sj108a2_debugfs_write()
211 		rc = i2c_smbus_write_block_data(psu->client, PMBUS_FLASH_KEY_WRITE, 4, flash_key);  in q54sj108a2_debugfs_write()
215 		rc = i2c_smbus_write_byte(psu->client, STORE_DEFAULT_ALL);  in q54sj108a2_debugfs_write()
225 		rc = i2c_smbus_write_byte_data(psu->client, PMBUS_VOUT_OV_FAULT_RESPONSE, dst_data);  in q54sj108a2_debugfs_write()
235 		rc = i2c_smbus_write_byte_data(psu->client, PMBUS_IOUT_OC_FAULT_RESPONSE, dst_data);  in q54sj108a2_debugfs_write()
241 		rc = i2c_smbus_write_byte(psu->client, ERASE_BLACKBOX_DATA);  in q54sj108a2_debugfs_write()
251 		rc = i2c_smbus_write_byte_data(psu->client, SET_HISTORY_EVENT_OFFSET, dst_data);  in q54sj108a2_debugfs_write()
257 		return -EINVAL;  in q54sj108a2_debugfs_write()
279 	struct device *dev = &client->dev;  in q54sj108a2_probe()
287 	if (!i2c_check_functionality(client->adapter,  in q54sj108a2_probe()
291 		return -ENODEV;  in q54sj108a2_probe()
293 	if (client->dev.of_node)  in q54sj108a2_probe()
296 		chip_id = i2c_match_id(q54sj108a2_id, client)->driver_data;  in q54sj108a2_probe()
300 		dev_err(&client->dev, "Failed to read Manufacturer ID\n");  in q54sj108a2_probe()
305 		dev_err(dev, "Unsupported Manufacturer ID '%s'\n", buf);  in q54sj108a2_probe()
306 		return -ENODEV;  in q54sj108a2_probe()
314 		dev_err(dev, "Failed to read Manufacturer Model\n");  in q54sj108a2_probe()
319 		dev_err(dev, "Unsupported Manufacturer Model '%s'\n", buf);  in q54sj108a2_probe()
320 		return -ENODEV;  in q54sj108a2_probe()
325 		dev_err(dev, "Failed to read Manufacturer Revision\n");  in q54sj108a2_probe()
330 		dev_err(dev, "Unsupported Manufacturer Revision '%s'\n", buf);  in q54sj108a2_probe()
331 		return -ENODEV;  in q54sj108a2_probe()
338 	psu = devm_kzalloc(&client->dev, sizeof(*psu), GFP_KERNEL);  in q54sj108a2_probe()
342 	psu->client = client;  in q54sj108a2_probe()
346 	q54sj108a2_dir = debugfs_create_dir(client->name, debugfs);  in q54sj108a2_probe()
349 		psu->debugfs_entries[i] = i;  in q54sj108a2_probe()
352 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_OPERATION],  in q54sj108a2_probe()
355 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_CLEARFAULT],  in q54sj108a2_probe()
358 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_WRITEPROTECT],  in q54sj108a2_probe()
361 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_STOREDEFAULT],  in q54sj108a2_probe()
364 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_VOOV_RESPONSE],  in q54sj108a2_probe()
367 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_IOOC_RESPONSE],  in q54sj108a2_probe()
370 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_PMBUS_VERSION],  in q54sj108a2_probe()
373 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_MFR_ID],  in q54sj108a2_probe()
376 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_MFR_MODEL],  in q54sj108a2_probe()
379 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_MFR_REVISION],  in q54sj108a2_probe()
382 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_MFR_LOCATION],  in q54sj108a2_probe()
385 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_BLACKBOX_ERASE],  in q54sj108a2_probe()
388 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_BLACKBOX_READ_OFFSET],  in q54sj108a2_probe()
391 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_BLACKBOX_SET_OFFSET],  in q54sj108a2_probe()
394 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_BLACKBOX_READ],  in q54sj108a2_probe()
397 			    &psu->debugfs_entries[Q54SJ108A2_DEBUGFS_FLASH_KEY],  in q54sj108a2_probe()