291 static int idt_smb_write_byte(struct idt_89hpesx_dev *pdev,  in idt_smb_write_byte()  argument
308 		sts = idt_smb_safe(write_byte, pdev->client, ccode,  in idt_smb_write_byte()
323 static int idt_smb_read_byte(struct idt_89hpesx_dev *pdev,  in idt_smb_read_byte()  argument
340 		sts = idt_smb_safe(read_byte, pdev->client, ccode);  in idt_smb_read_byte()
356 static int idt_smb_write_word(struct idt_89hpesx_dev *pdev,  in idt_smb_write_word()  argument
376 		sts = idt_smb_safe(write_word, pdev->client, ccode,  in idt_smb_write_word()
390 		sts = idt_smb_safe(write_byte, pdev->client, ccode,  in idt_smb_write_word()
405 static int idt_smb_read_word(struct idt_89hpesx_dev *pdev,  in idt_smb_read_word()  argument
425 		sts = idt_smb_safe(read_word, pdev->client, ccode);  in idt_smb_read_word()
440 		sts = idt_smb_safe(read_byte, pdev->client, ccode);  in idt_smb_read_word()
456 static int idt_smb_write_block(struct idt_89hpesx_dev *pdev,  in idt_smb_write_block()  argument
469 	return idt_smb_safe(write_block, pdev->client, ccode, seq->bytecnt,  in idt_smb_write_block()
479 static int idt_smb_read_block(struct idt_89hpesx_dev *pdev,  in idt_smb_read_block()  argument
493 	sts = idt_smb_safe(read_block, pdev->client, ccode, seq->data);  in idt_smb_read_block()
509 static int idt_smb_write_i2c_block(struct idt_89hpesx_dev *pdev,  in idt_smb_write_i2c_block()  argument
526 	return idt_smb_safe(write_i2c_block, pdev->client, ccode,  in idt_smb_write_i2c_block()
539 static int idt_smb_read_i2c_block(struct idt_89hpesx_dev *pdev,  in idt_smb_read_i2c_block()  argument
553 	sts = idt_smb_safe(read_i2c_block, pdev->client, ccode,  in idt_smb_read_i2c_block()
577 static int idt_eeprom_read_byte(struct idt_89hpesx_dev *pdev, u16 memaddr,  in idt_eeprom_read_byte()  argument
580 	struct device *dev = &pdev->client->dev;  in idt_eeprom_read_byte()
586 	smbseq.ccode = pdev->iniccode | CCODE_EEPROM;  in idt_eeprom_read_byte()
597 		eeseq.cmd = pdev->inieecmd | EEPROM_OP_READ;  in idt_eeprom_read_byte()
598 		eeseq.eeaddr = pdev->eeaddr;  in idt_eeprom_read_byte()
600 		ret = pdev->smb_write(pdev, &smbseq);  in idt_eeprom_read_byte()
609 		ret = pdev->smb_read(pdev, &smbseq);  in idt_eeprom_read_byte()
649 static int idt_eeprom_write(struct idt_89hpesx_dev *pdev, u16 memaddr, u16 len,  in idt_eeprom_write()  argument
652 	struct device *dev = &pdev->client->dev;  in idt_eeprom_write()
659 	smbseq.ccode = pdev->iniccode | CCODE_EEPROM;  in idt_eeprom_write()
665 		mutex_lock(&pdev->smb_mtx);  in idt_eeprom_write()
669 		eeseq.cmd = pdev->inieecmd | EEPROM_OP_WRITE;  in idt_eeprom_write()
670 		eeseq.eeaddr = pdev->eeaddr;  in idt_eeprom_write()
673 		ret = pdev->smb_write(pdev, &smbseq);  in idt_eeprom_write()
686 		ret = idt_eeprom_read_byte(pdev, memaddr, &eeseq.data);  in idt_eeprom_write()
700 		mutex_unlock(&pdev->smb_mtx);  in idt_eeprom_write()
715 static int idt_eeprom_read(struct idt_89hpesx_dev *pdev, u16 memaddr, u16 len,  in idt_eeprom_read()  argument
724 		mutex_lock(&pdev->smb_mtx);  in idt_eeprom_read()
727 		ret = idt_eeprom_read_byte(pdev, memaddr, &buf[idx]);  in idt_eeprom_read()
730 		mutex_unlock(&pdev->smb_mtx);  in idt_eeprom_read()
751 static int idt_csr_write(struct idt_89hpesx_dev *pdev, u16 csraddr,  in idt_csr_write()  argument
754 	struct device *dev = &pdev->client->dev;  in idt_csr_write()
760 	smbseq.ccode = pdev->iniccode | CCODE_CSR;  in idt_csr_write()
764 	mutex_lock(&pdev->smb_mtx);  in idt_csr_write()
768 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_WRITE;  in idt_csr_write()
771 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_write()
780 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_READ;  in idt_csr_write()
781 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_write()
790 	ret = pdev->smb_read(pdev, &smbseq);  in idt_csr_write()
806 	mutex_unlock(&pdev->smb_mtx);  in idt_csr_write()
817 static int idt_csr_read(struct idt_89hpesx_dev *pdev, u16 csraddr, u32 *data)  in idt_csr_read()  argument
819 	struct device *dev = &pdev->client->dev;  in idt_csr_read()
825 	smbseq.ccode = pdev->iniccode | CCODE_CSR;  in idt_csr_read()
829 	mutex_lock(&pdev->smb_mtx);  in idt_csr_read()
833 	csrseq.cmd = pdev->inicsrcmd | CSR_OP_READ;  in idt_csr_read()
835 	ret = pdev->smb_write(pdev, &smbseq);  in idt_csr_read()
844 	ret = pdev->smb_read(pdev, &smbseq);  in idt_csr_read()
863 	mutex_unlock(&pdev->smb_mtx);  in idt_csr_read()
886 	struct idt_89hpesx_dev *pdev;  in eeprom_write()  local
890 	pdev = dev_get_drvdata(kobj_to_dev(kobj));  in eeprom_write()
893 	ret = idt_eeprom_write(pdev, (u16)off, (u16)count, (u8 *)buf);  in eeprom_write()
910 	struct idt_89hpesx_dev *pdev;  in eeprom_read()  local
914 	pdev = dev_get_drvdata(kobj_to_dev(kobj));  in eeprom_read()
917 	ret = idt_eeprom_read(pdev, (u16)off, (u16)count, (u8 *)buf);  in eeprom_read()
939 	struct idt_89hpesx_dev *pdev = filep->private_data;  in idt_dbgfs_csr_write()  local
995 	pdev->csr = (csraddr >> 2);  in idt_dbgfs_csr_write()
1003 		ret = idt_csr_write(pdev, pdev->csr, csrval);  in idt_dbgfs_csr_write()
1033 	struct idt_89hpesx_dev *pdev = filep->private_data;  in idt_dbgfs_csr_read()  local
1039 	ret = idt_csr_read(pdev, pdev->csr, &csrval);  in idt_dbgfs_csr_read()
1044 	csraddr = ((u32)pdev->csr << 2);  in idt_dbgfs_csr_read()
1081 static void idt_set_defval(struct idt_89hpesx_dev *pdev)  in idt_set_defval()  argument
1084 	pdev->eesize = 0;  in idt_set_defval()
1085 	pdev->eero = true;  in idt_set_defval()
1086 	pdev->inieecmd = 0;  in idt_set_defval()
1087 	pdev->eeaddr = 0;  in idt_set_defval()
1121 static void idt_get_fw_data(struct idt_89hpesx_dev *pdev)  in idt_get_fw_data()  argument
1123 	struct device *dev = &pdev->client->dev;  in idt_get_fw_data()
1141 		idt_set_defval(pdev);  in idt_get_fw_data()
1146 	pdev->eesize = (u32)ee_id->driver_data;  in idt_get_fw_data()
1153 		pdev->inieecmd = 0;  in idt_get_fw_data()
1154 		pdev->eeaddr = EEPROM_DEF_ADDR << 1;  in idt_get_fw_data()
1156 		pdev->inieecmd = EEPROM_USA;  in idt_get_fw_data()
1157 		pdev->eeaddr = eeprom_addr << 1;  in idt_get_fw_data()
1162 		pdev->eero = true;  in idt_get_fw_data()
1164 		pdev->eero = false;  in idt_get_fw_data()
1167 		pdev->eesize, pdev->eeaddr);  in idt_get_fw_data()
1176 	struct idt_89hpesx_dev *pdev;  in idt_create_pdev()  local
1179 	pdev = devm_kmalloc(&client->dev, sizeof(struct idt_89hpesx_dev),  in idt_create_pdev()
1181 	if (pdev == NULL)  in idt_create_pdev()
1185 	pdev->client = client;  in idt_create_pdev()
1186 	i2c_set_clientdata(client, pdev);  in idt_create_pdev()
1189 	idt_get_fw_data(pdev);  in idt_create_pdev()
1192 	pdev->inicsrcmd = CSR_DWE;  in idt_create_pdev()
1193 	pdev->csr = CSR_DEF;  in idt_create_pdev()
1197 		pdev->iniccode = CCODE_PEC;  in idt_create_pdev()
1200 		pdev->iniccode = 0;  in idt_create_pdev()
1203 	return pdev;  in idt_create_pdev()
1210 static void idt_free_pdev(struct idt_89hpesx_dev *pdev)  in idt_free_pdev()  argument
1213 	i2c_set_clientdata(pdev->client, NULL);  in idt_free_pdev()
1221 static int idt_set_smbus_ops(struct idt_89hpesx_dev *pdev)  in idt_set_smbus_ops()  argument
1223 	struct i2c_adapter *adapter = pdev->client->adapter;  in idt_set_smbus_ops()
1224 	struct device *dev = &pdev->client->dev;  in idt_set_smbus_ops()
1229 		pdev->smb_read = idt_smb_read_block;  in idt_set_smbus_ops()
1233 		pdev->smb_read = idt_smb_read_i2c_block;  in idt_set_smbus_ops()
1239 		pdev->smb_read = idt_smb_read_word;  in idt_set_smbus_ops()
1243 		pdev->smb_read = idt_smb_read_byte;  in idt_set_smbus_ops()
1253 		pdev->smb_write = idt_smb_write_block;  in idt_set_smbus_ops()
1257 		pdev->smb_write = idt_smb_write_i2c_block;  in idt_set_smbus_ops()
1263 		pdev->smb_write = idt_smb_write_word;  in idt_set_smbus_ops()
1267 		pdev->smb_write = idt_smb_write_byte;  in idt_set_smbus_ops()
1275 	mutex_init(&pdev->smb_mtx);  in idt_set_smbus_ops()
1285 static int idt_check_dev(struct idt_89hpesx_dev *pdev)  in idt_check_dev()  argument
1287 	struct device *dev = &pdev->client->dev;  in idt_check_dev()
1292 	ret = idt_csr_read(pdev, IDT_VIDDID_CSR, &viddid);  in idt_check_dev()
1315 static int idt_create_sysfs_files(struct idt_89hpesx_dev *pdev)  in idt_create_sysfs_files()  argument
1317 	struct device *dev = &pdev->client->dev;  in idt_create_sysfs_files()
1321 	if (pdev->eesize == 0) {  in idt_create_sysfs_files()
1327 	pdev->ee_file = devm_kmalloc(dev, sizeof(*pdev->ee_file), GFP_KERNEL);  in idt_create_sysfs_files()
1328 	if (!pdev->ee_file)  in idt_create_sysfs_files()
1332 	memcpy(pdev->ee_file, &bin_attr_eeprom, sizeof(*pdev->ee_file));  in idt_create_sysfs_files()
1335 	if (pdev->eero) {  in idt_create_sysfs_files()
1336 		pdev->ee_file->attr.mode &= ~0200;  in idt_create_sysfs_files()
1337 		pdev->ee_file->write = NULL;  in idt_create_sysfs_files()
1340 	pdev->ee_file->size = pdev->eesize;  in idt_create_sysfs_files()
1341 	ret = sysfs_create_bin_file(&dev->kobj, pdev->ee_file);  in idt_create_sysfs_files()
1354 static void idt_remove_sysfs_files(struct idt_89hpesx_dev *pdev)  in idt_remove_sysfs_files()  argument
1356 	struct device *dev = &pdev->client->dev;  in idt_remove_sysfs_files()
1359 	if (pdev->eesize == 0)  in idt_remove_sysfs_files()
1363 	sysfs_remove_bin_file(&dev->kobj, pdev->ee_file);  in idt_remove_sysfs_files()
1371 static void idt_create_dbgfs_files(struct idt_89hpesx_dev *pdev)  in idt_create_dbgfs_files()  argument
1373 	struct i2c_client *cli = pdev->client;  in idt_create_dbgfs_files()
1378 	pdev->csr_dir = debugfs_create_dir(fname, csr_dbgdir);  in idt_create_dbgfs_files()
1381 	pdev->csr_file = debugfs_create_file(cli->name, 0600,  in idt_create_dbgfs_files()
1382 		pdev->csr_dir, pdev, &csr_dbgfs_ops);  in idt_create_dbgfs_files()
1389 static void idt_remove_dbgfs_files(struct idt_89hpesx_dev *pdev)  in idt_remove_dbgfs_files()  argument
1392 	debugfs_remove_recursive(pdev->csr_dir);  in idt_remove_dbgfs_files()
1400 	struct idt_89hpesx_dev *pdev;  in idt_probe()  local
1404 	pdev = idt_create_pdev(client);  in idt_probe()
1405 	if (IS_ERR(pdev))  in idt_probe()
1406 		return PTR_ERR(pdev);  in idt_probe()
1409 	ret = idt_set_smbus_ops(pdev);  in idt_probe()
1414 	ret = idt_check_dev(pdev);  in idt_probe()
1419 	ret = idt_create_sysfs_files(pdev);  in idt_probe()
1424 	idt_create_dbgfs_files(pdev);  in idt_probe()
1429 	idt_free_pdev(pdev);  in idt_probe()
1439 	struct idt_89hpesx_dev *pdev = i2c_get_clientdata(client);  in idt_remove()  local
1442 	idt_remove_dbgfs_files(pdev);  in idt_remove()
1445 	idt_remove_sysfs_files(pdev);  in idt_remove()
1448 	idt_free_pdev(pdev);  in idt_remove()