258 static int idt_smb_write_byte(struct idt_89hpesx_dev *pdev,  in idt_smb_write_byte()  argument
275 		sts = idt_smb_safe(write_byte, pdev->client, ccode,  in idt_smb_write_byte()
290 static int idt_smb_read_byte(struct idt_89hpesx_dev *pdev,  in idt_smb_read_byte()  argument
307 		sts = idt_smb_safe(read_byte, pdev->client, ccode);  in idt_smb_read_byte()
323 static int idt_smb_write_word(struct idt_89hpesx_dev *pdev,  in idt_smb_write_word()  argument
343 		sts = idt_smb_safe(write_word, pdev->client, ccode,  in idt_smb_write_word()
357 		sts = idt_smb_safe(write_byte, pdev->client, ccode,  in idt_smb_write_word()
372 static int idt_smb_read_word(struct idt_89hpesx_dev *pdev,  in idt_smb_read_word()  argument
392 		sts = idt_smb_safe(read_word, pdev->client, ccode);  in idt_smb_read_word()
407 		sts = idt_smb_safe(read_byte, pdev->client, ccode);  in idt_smb_read_word()
423 static int idt_smb_write_block(struct idt_89hpesx_dev *pdev,  in idt_smb_write_block()  argument
436 	return idt_smb_safe(write_block, pdev->client, ccode, seq->bytecnt,  in idt_smb_write_block()
446 static int idt_smb_read_block(struct idt_89hpesx_dev *pdev,  in idt_smb_read_block()  argument
460 	sts = idt_smb_safe(read_block, pdev->client, ccode, seq->data);  in idt_smb_read_block()
476 static int idt_smb_write_i2c_block(struct idt_89hpesx_dev *pdev,  in idt_smb_write_i2c_block()  argument
493 	return idt_smb_safe(write_i2c_block, pdev->client, ccode,  in idt_smb_write_i2c_block()
506 static int idt_smb_read_i2c_block(struct idt_89hpesx_dev *pdev,  in idt_smb_read_i2c_block()  argument
520 	sts = idt_smb_safe(read_i2c_block, pdev->client, ccode,  in idt_smb_read_i2c_block()
544 static int idt_eeprom_read_byte(struct idt_89hpesx_dev *pdev, u16 memaddr,  in idt_eeprom_read_byte()  argument
547 	struct device *dev = &pdev->client->dev;  in idt_eeprom_read_byte()
553 	smbseq.ccode = pdev->iniccode | CCODE_EEPROM;  in idt_eeprom_read_byte()
564 		eeseq.cmd = pdev->inieecmd | EEPROM_OP_READ;  in idt_eeprom_read_byte()
565 		eeseq.eeaddr = pdev->eeaddr;  in idt_eeprom_read_byte()
567 		ret = pdev->smb_write(pdev, &smbseq);  in idt_eeprom_read_byte()
576 		ret = pdev->smb_read(pdev, &smbseq);  in idt_eeprom_read_byte()
616 static int idt_eeprom_write(struct idt_89hpesx_dev *pdev, u16 memaddr, u16 len,  in idt_eeprom_write()  argument
619 	struct device *dev = &pdev->client->dev;  in idt_eeprom_write()
626 	smbseq.ccode = pdev->iniccode | CCODE_EEPROM;  in idt_eeprom_write()
632 		mutex_lock(&pdev->smb_mtx);  in idt_eeprom_write()
636 		eeseq.cmd = pdev->inieecmd | EEPROM_OP_WRITE;  in idt_eeprom_write()
637 		eeseq.eeaddr = pdev->eeaddr;  in idt_eeprom_write()
640 		ret = pdev->smb_write(pdev, &smbseq);  in idt_eeprom_write()
653 		ret = idt_eeprom_read_byte(pdev, memaddr, &eeseq.data);  in idt_eeprom_write()
667 		mutex_unlock(&pdev->smb_mtx);  in idt_eeprom_write()
682 static int idt_eeprom_read(struct idt_89hpesx_dev *pdev, u16 memaddr, u16 len,  in idt_eeprom_read()  argument
691 		mutex_lock(&pdev->smb_mtx);  in idt_eeprom_read()
694 		ret = idt_eeprom_read_byte(pdev, memaddr, &buf[idx]);  in idt_eeprom_read()
697 		mutex_unlock(&pdev->smb_mtx);  in idt_eeprom_read()
718 static int idt_csr_write(struct idt_89hpesx_dev *pdev, u16 csraddr,  in idt_csr_write()  argument
721 	struct device *dev = &pdev->client->dev;  in idt_csr_write()
727 	smbseq.ccode = pdev->iniccode | CCODE_CSR;  in idt_csr_write()
731 	mutex_lock(&pdev->smb_mtx);  in idt_csr_write()
735 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_WRITE;  in idt_csr_write()
738 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_write()
747 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_READ;  in idt_csr_write()
748 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_write()
757 	ret = pdev->smb_read(pdev, &smbseq);  in idt_csr_write()
773 	mutex_unlock(&pdev->smb_mtx);  in idt_csr_write()
784 static int idt_csr_read(struct idt_89hpesx_dev *pdev, u16 csraddr, u32 *data)  in idt_csr_read()  argument
786 	struct device *dev = &pdev->client->dev;  in idt_csr_read()
792 	smbseq.ccode = pdev->iniccode | CCODE_CSR;  in idt_csr_read()
796 	mutex_lock(&pdev->smb_mtx);  in idt_csr_read()
800 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_READ;  in idt_csr_read()
802 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_read()
811 	ret = pdev->smb_read(pdev, &smbseq);  in idt_csr_read()
830 	mutex_unlock(&pdev->smb_mtx);  in idt_csr_read()
853 	struct idt_89hpesx_dev *pdev;  in eeprom_write()  local
857 	pdev = dev_get_drvdata(kobj_to_dev(kobj));  in eeprom_write()
860 	ret = idt_eeprom_write(pdev, (u16)off, (u16)count, (u8 *)buf);  in eeprom_write()
877 	struct idt_89hpesx_dev *pdev;  in eeprom_read()  local
881 	pdev = dev_get_drvdata(kobj_to_dev(kobj));  in eeprom_read()
884 	ret = idt_eeprom_read(pdev, (u16)off, (u16)count, (u8 *)buf);  in eeprom_read()
906 	struct idt_89hpesx_dev *pdev = filep->private_data;  in idt_dbgfs_csr_write()  local
960 	pdev->csr = (csraddr >> 2);  in idt_dbgfs_csr_write()
968 		ret = idt_csr_write(pdev, pdev->csr, csrval);  in idt_dbgfs_csr_write()
998 	struct idt_89hpesx_dev *pdev = filep->private_data;  in idt_dbgfs_csr_read()  local
1004 	ret = idt_csr_read(pdev, pdev->csr, &csrval);  in idt_dbgfs_csr_read()
1009 	csraddr = ((u32)pdev->csr << 2);  in idt_dbgfs_csr_read()
1046 static void idt_set_defval(struct idt_89hpesx_dev *pdev)  in idt_set_defval()  argument
1049 	pdev->eesize = 0;  in idt_set_defval()
1050 	pdev->eero = true;  in idt_set_defval()
1051 	pdev->inieecmd = 0;  in idt_set_defval()
1052 	pdev->eeaddr = 0;  in idt_set_defval()
1086 static void idt_get_fw_data(struct idt_89hpesx_dev *pdev)  in idt_get_fw_data()  argument
1088 	struct device *dev = &pdev->client->dev;  in idt_get_fw_data()
1105 		idt_set_defval(pdev);  in idt_get_fw_data()
1110 	pdev->eesize = (u32)ee_id->driver_data;  in idt_get_fw_data()
1117 		pdev->inieecmd = 0;  in idt_get_fw_data()
1118 		pdev->eeaddr = EEPROM_DEF_ADDR << 1;  in idt_get_fw_data()
1120 		pdev->inieecmd = EEPROM_USA;  in idt_get_fw_data()
1121 		pdev->eeaddr = eeprom_addr << 1;  in idt_get_fw_data()
1126 		pdev->eero = true;  in idt_get_fw_data()
1128 		pdev->eero = false;  in idt_get_fw_data()
1132 		pdev->eesize, pdev->eeaddr);  in idt_get_fw_data()
1141 	struct idt_89hpesx_dev *pdev;  in idt_create_pdev()  local
1144 	pdev = devm_kmalloc(&client->dev, sizeof(struct idt_89hpesx_dev),  in idt_create_pdev()
1146 	if (pdev == NULL)  in idt_create_pdev()
1150 	pdev->client = client;  in idt_create_pdev()
1151 	i2c_set_clientdata(client, pdev);  in idt_create_pdev()
1154 	idt_get_fw_data(pdev);  in idt_create_pdev()
1157 	pdev->inicsrcmd = CSR_DWE;  in idt_create_pdev()
1158 	pdev->csr = CSR_DEF;  in idt_create_pdev()
1162 		pdev->iniccode = CCODE_PEC;  in idt_create_pdev()
1165 		pdev->iniccode = 0;  in idt_create_pdev()
1168 	return pdev;  in idt_create_pdev()
1175 static void idt_free_pdev(struct idt_89hpesx_dev *pdev)  in idt_free_pdev()  argument
1178 	i2c_set_clientdata(pdev->client, NULL);  in idt_free_pdev()
1186 static int idt_set_smbus_ops(struct idt_89hpesx_dev *pdev)  in idt_set_smbus_ops()  argument
1188 	struct i2c_adapter *adapter = pdev->client->adapter;  in idt_set_smbus_ops()
1189 	struct device *dev = &pdev->client->dev;  in idt_set_smbus_ops()
1194 		pdev->smb_read = idt_smb_read_block;  in idt_set_smbus_ops()
1198 		pdev->smb_read = idt_smb_read_i2c_block;  in idt_set_smbus_ops()
1204 		pdev->smb_read = idt_smb_read_word;  in idt_set_smbus_ops()
1208 		pdev->smb_read = idt_smb_read_byte;  in idt_set_smbus_ops()
1218 		pdev->smb_write = idt_smb_write_block;  in idt_set_smbus_ops()
1222 		pdev->smb_write = idt_smb_write_i2c_block;  in idt_set_smbus_ops()
1228 		pdev->smb_write = idt_smb_write_word;  in idt_set_smbus_ops()
1232 		pdev->smb_write = idt_smb_write_byte;  in idt_set_smbus_ops()
1240 	mutex_init(&pdev->smb_mtx);  in idt_set_smbus_ops()
1250 static int idt_check_dev(struct idt_89hpesx_dev *pdev)  in idt_check_dev()  argument
1252 	struct device *dev = &pdev->client->dev;  in idt_check_dev()
1257 	ret = idt_csr_read(pdev, IDT_VIDDID_CSR, &viddid);  in idt_check_dev()
1280 static int idt_create_sysfs_files(struct idt_89hpesx_dev *pdev)  in idt_create_sysfs_files()  argument
1282 	struct device *dev = &pdev->client->dev;  in idt_create_sysfs_files()
1286 	if (pdev->eesize == 0) {  in idt_create_sysfs_files()
1295 	pdev->ee_file = devm_kmemdup(dev, &bin_attr_eeprom,  in idt_create_sysfs_files()
1296 				     sizeof(*pdev->ee_file), GFP_KERNEL);  in idt_create_sysfs_files()
1297 	if (!pdev->ee_file)  in idt_create_sysfs_files()
1301 	if (pdev->eero) {  in idt_create_sysfs_files()
1302 		pdev->ee_file->attr.mode &= ~0200;  in idt_create_sysfs_files()
1303 		pdev->ee_file->write = NULL;  in idt_create_sysfs_files()
1306 	pdev->ee_file->size = pdev->eesize;  in idt_create_sysfs_files()
1307 	ret = sysfs_create_bin_file(&dev->kobj, pdev->ee_file);  in idt_create_sysfs_files()
1320 static void idt_remove_sysfs_files(struct idt_89hpesx_dev *pdev)  in idt_remove_sysfs_files()  argument
1322 	struct device *dev = &pdev->client->dev;  in idt_remove_sysfs_files()
1325 	if (pdev->eesize == 0)  in idt_remove_sysfs_files()
1329 	sysfs_remove_bin_file(&dev->kobj, pdev->ee_file);  in idt_remove_sysfs_files()
1337 static void idt_create_dbgfs_files(struct idt_89hpesx_dev *pdev)  in idt_create_dbgfs_files()  argument
1339 	struct i2c_client *cli = pdev->client;  in idt_create_dbgfs_files()
1344 	pdev->csr_dir = debugfs_create_dir(fname, csr_dbgdir);  in idt_create_dbgfs_files()
1347 	debugfs_create_file(cli->name, 0600, pdev->csr_dir, pdev,  in idt_create_dbgfs_files()
1355 static void idt_remove_dbgfs_files(struct idt_89hpesx_dev *pdev)  in idt_remove_dbgfs_files()  argument
1358 	debugfs_remove_recursive(pdev->csr_dir);  in idt_remove_dbgfs_files()
1366 	struct idt_89hpesx_dev *pdev;  in idt_probe()  local
1370 	pdev = idt_create_pdev(client);  in idt_probe()
1371 	if (IS_ERR(pdev))  in idt_probe()
1372 		return PTR_ERR(pdev);  in idt_probe()
1375 	ret = idt_set_smbus_ops(pdev);  in idt_probe()
1380 	ret = idt_check_dev(pdev);  in idt_probe()
1385 	ret = idt_create_sysfs_files(pdev);  in idt_probe()
1390 	idt_create_dbgfs_files(pdev);  in idt_probe()
1395 	idt_free_pdev(pdev);  in idt_probe()
1405 	struct idt_89hpesx_dev *pdev = i2c_get_clientdata(client);  in idt_remove()  local
1408 	idt_remove_dbgfs_files(pdev);  in idt_remove()
1411 	idt_remove_sysfs_files(pdev);  in idt_remove()
1414 	idt_free_pdev(pdev);  in idt_remove()