11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * Copyright (C) 2004 IBM Corporation 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Authors: 51da177e4SLinus Torvalds * Leendert van Doorn <leendert@watson.ibm.com> 61da177e4SLinus Torvalds * Dave Safford <safford@watson.ibm.com> 71da177e4SLinus Torvalds * Reiner Sailer <sailer@watson.ibm.com> 81da177e4SLinus Torvalds * Kylene Hall <kjhall@us.ibm.com> 91da177e4SLinus Torvalds * 101da177e4SLinus Torvalds * Maintained by: <tpmdd_devel@lists.sourceforge.net> 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * Device driver for TCG/TCPA TPM (trusted platform module). 131da177e4SLinus Torvalds * Specifications at www.trustedcomputinggroup.org 141da177e4SLinus Torvalds * 151da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or 161da177e4SLinus Torvalds * modify it under the terms of the GNU General Public License as 171da177e4SLinus Torvalds * published by the Free Software Foundation, version 2 of the 181da177e4SLinus Torvalds * License. 191da177e4SLinus Torvalds * 201da177e4SLinus Torvalds */ 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds #include "tpm.h" 231da177e4SLinus Torvalds 241da177e4SLinus Torvalds /* National definitions */ 251da177e4SLinus Torvalds #define TPM_NSC_BASE 0x360 261da177e4SLinus Torvalds #define TPM_NSC_IRQ 0x07 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds #define NSC_LDN_INDEX 0x07 291da177e4SLinus Torvalds #define NSC_SID_INDEX 0x20 301da177e4SLinus Torvalds #define NSC_LDC_INDEX 0x30 311da177e4SLinus Torvalds #define NSC_DIO_INDEX 0x60 321da177e4SLinus Torvalds #define NSC_CIO_INDEX 0x62 331da177e4SLinus Torvalds #define NSC_IRQ_INDEX 0x70 341da177e4SLinus Torvalds #define NSC_ITS_INDEX 0x71 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds #define NSC_STATUS 0x01 371da177e4SLinus Torvalds #define NSC_COMMAND 0x01 381da177e4SLinus Torvalds #define NSC_DATA 0x00 391da177e4SLinus Torvalds 401da177e4SLinus Torvalds /* status bits */ 411da177e4SLinus Torvalds #define NSC_STATUS_OBF 0x01 /* output buffer full */ 421da177e4SLinus Torvalds #define NSC_STATUS_IBF 0x02 /* input buffer full */ 431da177e4SLinus Torvalds #define NSC_STATUS_F0 0x04 /* F0 */ 441da177e4SLinus Torvalds #define NSC_STATUS_A2 0x08 /* A2 */ 451da177e4SLinus Torvalds #define NSC_STATUS_RDY 0x10 /* ready to receive command */ 461da177e4SLinus Torvalds #define NSC_STATUS_IBR 0x20 /* ready to receive data */ 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds /* command bits */ 491da177e4SLinus Torvalds #define NSC_COMMAND_NORMAL 0x01 /* normal mode */ 501da177e4SLinus Torvalds #define NSC_COMMAND_EOC 0x03 511da177e4SLinus Torvalds #define NSC_COMMAND_CANCEL 0x22 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds /* 541da177e4SLinus Torvalds * Wait for a certain status to appear 551da177e4SLinus Torvalds */ 561da177e4SLinus Torvalds static int wait_for_stat(struct tpm_chip *chip, u8 mask, u8 val, u8 * data) 571da177e4SLinus Torvalds { 58*700d8bdcSNishanth Aravamudan unsigned long stop; 591da177e4SLinus Torvalds 601da177e4SLinus Torvalds /* status immediately available check */ 611da177e4SLinus Torvalds *data = inb(chip->vendor->base + NSC_STATUS); 621da177e4SLinus Torvalds if ((*data & mask) == val) 631da177e4SLinus Torvalds return 0; 641da177e4SLinus Torvalds 651da177e4SLinus Torvalds /* wait for status */ 66*700d8bdcSNishanth Aravamudan stop = jiffies + 10 * HZ; 671da177e4SLinus Torvalds do { 68*700d8bdcSNishanth Aravamudan msleep(TPM_TIMEOUT); 691da177e4SLinus Torvalds *data = inb(chip->vendor->base + 1); 70*700d8bdcSNishanth Aravamudan if ((*data & mask) == val) 711da177e4SLinus Torvalds return 0; 721da177e4SLinus Torvalds } 73*700d8bdcSNishanth Aravamudan while (time_before(jiffies, stop)); 741da177e4SLinus Torvalds 751da177e4SLinus Torvalds return -EBUSY; 761da177e4SLinus Torvalds } 771da177e4SLinus Torvalds 781da177e4SLinus Torvalds static int nsc_wait_for_ready(struct tpm_chip *chip) 791da177e4SLinus Torvalds { 801da177e4SLinus Torvalds int status; 81*700d8bdcSNishanth Aravamudan unsigned long stop; 821da177e4SLinus Torvalds 831da177e4SLinus Torvalds /* status immediately available check */ 841da177e4SLinus Torvalds status = inb(chip->vendor->base + NSC_STATUS); 851da177e4SLinus Torvalds if (status & NSC_STATUS_OBF) 861da177e4SLinus Torvalds status = inb(chip->vendor->base + NSC_DATA); 871da177e4SLinus Torvalds if (status & NSC_STATUS_RDY) 881da177e4SLinus Torvalds return 0; 891da177e4SLinus Torvalds 901da177e4SLinus Torvalds /* wait for status */ 91*700d8bdcSNishanth Aravamudan stop = jiffies + 100; 921da177e4SLinus Torvalds do { 93*700d8bdcSNishanth Aravamudan msleep(TPM_TIMEOUT); 941da177e4SLinus Torvalds status = inb(chip->vendor->base + NSC_STATUS); 951da177e4SLinus Torvalds if (status & NSC_STATUS_OBF) 961da177e4SLinus Torvalds status = inb(chip->vendor->base + NSC_DATA); 97*700d8bdcSNishanth Aravamudan if (status & NSC_STATUS_RDY) 981da177e4SLinus Torvalds return 0; 991da177e4SLinus Torvalds } 100*700d8bdcSNishanth Aravamudan while (time_before(jiffies, stop)); 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds dev_info(&chip->pci_dev->dev, "wait for ready failed\n"); 1031da177e4SLinus Torvalds return -EBUSY; 1041da177e4SLinus Torvalds } 1051da177e4SLinus Torvalds 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds static int tpm_nsc_recv(struct tpm_chip *chip, u8 * buf, size_t count) 1081da177e4SLinus Torvalds { 1091da177e4SLinus Torvalds u8 *buffer = buf; 1101da177e4SLinus Torvalds u8 data, *p; 1111da177e4SLinus Torvalds u32 size; 1121da177e4SLinus Torvalds __be32 *native_size; 1131da177e4SLinus Torvalds 1141da177e4SLinus Torvalds if (count < 6) 1151da177e4SLinus Torvalds return -EIO; 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds if (wait_for_stat(chip, NSC_STATUS_F0, NSC_STATUS_F0, &data) < 0) { 1181da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "F0 timeout\n"); 1191da177e4SLinus Torvalds return -EIO; 1201da177e4SLinus Torvalds } 1211da177e4SLinus Torvalds if ((data = 1221da177e4SLinus Torvalds inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_NORMAL) { 1231da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "not in normal mode (0x%x)\n", 1241da177e4SLinus Torvalds data); 1251da177e4SLinus Torvalds return -EIO; 1261da177e4SLinus Torvalds } 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvalds /* read the whole packet */ 1291da177e4SLinus Torvalds for (p = buffer; p < &buffer[count]; p++) { 1301da177e4SLinus Torvalds if (wait_for_stat 1311da177e4SLinus Torvalds (chip, NSC_STATUS_OBF, NSC_STATUS_OBF, &data) < 0) { 1321da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, 1331da177e4SLinus Torvalds "OBF timeout (while reading data)\n"); 1341da177e4SLinus Torvalds return -EIO; 1351da177e4SLinus Torvalds } 1361da177e4SLinus Torvalds if (data & NSC_STATUS_F0) 1371da177e4SLinus Torvalds break; 1381da177e4SLinus Torvalds *p = inb(chip->vendor->base + NSC_DATA); 1391da177e4SLinus Torvalds } 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvalds if ((data & NSC_STATUS_F0) == 0) { 1421da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "F0 not set\n"); 1431da177e4SLinus Torvalds return -EIO; 1441da177e4SLinus Torvalds } 1451da177e4SLinus Torvalds if ((data = inb(chip->vendor->base + NSC_DATA)) != NSC_COMMAND_EOC) { 1461da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, 1471da177e4SLinus Torvalds "expected end of command(0x%x)\n", data); 1481da177e4SLinus Torvalds return -EIO; 1491da177e4SLinus Torvalds } 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds native_size = (__force __be32 *) (buf + 2); 1521da177e4SLinus Torvalds size = be32_to_cpu(*native_size); 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds if (count < size) 1551da177e4SLinus Torvalds return -EIO; 1561da177e4SLinus Torvalds 1571da177e4SLinus Torvalds return size; 1581da177e4SLinus Torvalds } 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds static int tpm_nsc_send(struct tpm_chip *chip, u8 * buf, size_t count) 1611da177e4SLinus Torvalds { 1621da177e4SLinus Torvalds u8 data; 1631da177e4SLinus Torvalds int i; 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvalds /* 1661da177e4SLinus Torvalds * If we hit the chip with back to back commands it locks up 1671da177e4SLinus Torvalds * and never set IBF. Hitting it with this "hammer" seems to 1681da177e4SLinus Torvalds * fix it. Not sure why this is needed, we followed the flow 1691da177e4SLinus Torvalds * chart in the manual to the letter. 1701da177e4SLinus Torvalds */ 1711da177e4SLinus Torvalds outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND); 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds if (nsc_wait_for_ready(chip) != 0) 1741da177e4SLinus Torvalds return -EIO; 1751da177e4SLinus Torvalds 1761da177e4SLinus Torvalds if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { 1771da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "IBF timeout\n"); 1781da177e4SLinus Torvalds return -EIO; 1791da177e4SLinus Torvalds } 1801da177e4SLinus Torvalds 1811da177e4SLinus Torvalds outb(NSC_COMMAND_NORMAL, chip->vendor->base + NSC_COMMAND); 1821da177e4SLinus Torvalds if (wait_for_stat(chip, NSC_STATUS_IBR, NSC_STATUS_IBR, &data) < 0) { 1831da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "IBR timeout\n"); 1841da177e4SLinus Torvalds return -EIO; 1851da177e4SLinus Torvalds } 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds for (i = 0; i < count; i++) { 1881da177e4SLinus Torvalds if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { 1891da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, 1901da177e4SLinus Torvalds "IBF timeout (while writing data)\n"); 1911da177e4SLinus Torvalds return -EIO; 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds outb(buf[i], chip->vendor->base + NSC_DATA); 1941da177e4SLinus Torvalds } 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds if (wait_for_stat(chip, NSC_STATUS_IBF, 0, &data) < 0) { 1971da177e4SLinus Torvalds dev_err(&chip->pci_dev->dev, "IBF timeout\n"); 1981da177e4SLinus Torvalds return -EIO; 1991da177e4SLinus Torvalds } 2001da177e4SLinus Torvalds outb(NSC_COMMAND_EOC, chip->vendor->base + NSC_COMMAND); 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds return count; 2031da177e4SLinus Torvalds } 2041da177e4SLinus Torvalds 2051da177e4SLinus Torvalds static void tpm_nsc_cancel(struct tpm_chip *chip) 2061da177e4SLinus Torvalds { 2071da177e4SLinus Torvalds outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND); 2081da177e4SLinus Torvalds } 2091da177e4SLinus Torvalds 2101da177e4SLinus Torvalds static struct file_operations nsc_ops = { 2111da177e4SLinus Torvalds .owner = THIS_MODULE, 2121da177e4SLinus Torvalds .llseek = no_llseek, 2131da177e4SLinus Torvalds .open = tpm_open, 2141da177e4SLinus Torvalds .read = tpm_read, 2151da177e4SLinus Torvalds .write = tpm_write, 2161da177e4SLinus Torvalds .release = tpm_release, 2171da177e4SLinus Torvalds }; 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds static struct tpm_vendor_specific tpm_nsc = { 2201da177e4SLinus Torvalds .recv = tpm_nsc_recv, 2211da177e4SLinus Torvalds .send = tpm_nsc_send, 2221da177e4SLinus Torvalds .cancel = tpm_nsc_cancel, 2231da177e4SLinus Torvalds .req_complete_mask = NSC_STATUS_OBF, 2241da177e4SLinus Torvalds .req_complete_val = NSC_STATUS_OBF, 2251da177e4SLinus Torvalds .base = TPM_NSC_BASE, 2261da177e4SLinus Torvalds .miscdev = { .fops = &nsc_ops, }, 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds }; 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds static int __devinit tpm_nsc_init(struct pci_dev *pci_dev, 2311da177e4SLinus Torvalds const struct pci_device_id *pci_id) 2321da177e4SLinus Torvalds { 2331da177e4SLinus Torvalds int rc = 0; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds if (pci_enable_device(pci_dev)) 2361da177e4SLinus Torvalds return -EIO; 2371da177e4SLinus Torvalds 2381da177e4SLinus Torvalds if (tpm_lpc_bus_init(pci_dev, TPM_NSC_BASE)) { 2391da177e4SLinus Torvalds rc = -ENODEV; 2401da177e4SLinus Torvalds goto out_err; 2411da177e4SLinus Torvalds } 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds /* verify that it is a National part (SID) */ 2441da177e4SLinus Torvalds if (tpm_read_index(NSC_SID_INDEX) != 0xEF) { 2451da177e4SLinus Torvalds rc = -ENODEV; 2461da177e4SLinus Torvalds goto out_err; 2471da177e4SLinus Torvalds } 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, "NSC TPM detected\n"); 2501da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, 2511da177e4SLinus Torvalds "NSC LDN 0x%x, SID 0x%x, SRID 0x%x\n", 2521da177e4SLinus Torvalds tpm_read_index(0x07), tpm_read_index(0x20), 2531da177e4SLinus Torvalds tpm_read_index(0x27)); 2541da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, 2551da177e4SLinus Torvalds "NSC SIOCF1 0x%x SIOCF5 0x%x SIOCF6 0x%x SIOCF8 0x%x\n", 2561da177e4SLinus Torvalds tpm_read_index(0x21), tpm_read_index(0x25), 2571da177e4SLinus Torvalds tpm_read_index(0x26), tpm_read_index(0x28)); 2581da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, "NSC IO Base0 0x%x\n", 2591da177e4SLinus Torvalds (tpm_read_index(0x60) << 8) | tpm_read_index(0x61)); 2601da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, "NSC IO Base1 0x%x\n", 2611da177e4SLinus Torvalds (tpm_read_index(0x62) << 8) | tpm_read_index(0x63)); 2621da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, "NSC Interrupt number and wakeup 0x%x\n", 2631da177e4SLinus Torvalds tpm_read_index(0x70)); 2641da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, "NSC IRQ type select 0x%x\n", 2651da177e4SLinus Torvalds tpm_read_index(0x71)); 2661da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, 2671da177e4SLinus Torvalds "NSC DMA channel select0 0x%x, select1 0x%x\n", 2681da177e4SLinus Torvalds tpm_read_index(0x74), tpm_read_index(0x75)); 2691da177e4SLinus Torvalds dev_dbg(&pci_dev->dev, 2701da177e4SLinus Torvalds "NSC Config " 2711da177e4SLinus Torvalds "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 2721da177e4SLinus Torvalds tpm_read_index(0xF0), tpm_read_index(0xF1), 2731da177e4SLinus Torvalds tpm_read_index(0xF2), tpm_read_index(0xF3), 2741da177e4SLinus Torvalds tpm_read_index(0xF4), tpm_read_index(0xF5), 2751da177e4SLinus Torvalds tpm_read_index(0xF6), tpm_read_index(0xF7), 2761da177e4SLinus Torvalds tpm_read_index(0xF8), tpm_read_index(0xF9)); 2771da177e4SLinus Torvalds 2781da177e4SLinus Torvalds dev_info(&pci_dev->dev, 2791da177e4SLinus Torvalds "NSC PC21100 TPM revision %d\n", 2801da177e4SLinus Torvalds tpm_read_index(0x27) & 0x1F); 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds if (tpm_read_index(NSC_LDC_INDEX) == 0) 2831da177e4SLinus Torvalds dev_info(&pci_dev->dev, ": NSC TPM not active\n"); 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds /* select PM channel 1 */ 2861da177e4SLinus Torvalds tpm_write_index(NSC_LDN_INDEX, 0x12); 2871da177e4SLinus Torvalds tpm_read_index(NSC_LDN_INDEX); 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvalds /* disable the DPM module */ 2901da177e4SLinus Torvalds tpm_write_index(NSC_LDC_INDEX, 0); 2911da177e4SLinus Torvalds tpm_read_index(NSC_LDC_INDEX); 2921da177e4SLinus Torvalds 2931da177e4SLinus Torvalds /* set the data register base addresses */ 2941da177e4SLinus Torvalds tpm_write_index(NSC_DIO_INDEX, TPM_NSC_BASE >> 8); 2951da177e4SLinus Torvalds tpm_write_index(NSC_DIO_INDEX + 1, TPM_NSC_BASE); 2961da177e4SLinus Torvalds tpm_read_index(NSC_DIO_INDEX); 2971da177e4SLinus Torvalds tpm_read_index(NSC_DIO_INDEX + 1); 2981da177e4SLinus Torvalds 2991da177e4SLinus Torvalds /* set the command register base addresses */ 3001da177e4SLinus Torvalds tpm_write_index(NSC_CIO_INDEX, (TPM_NSC_BASE + 1) >> 8); 3011da177e4SLinus Torvalds tpm_write_index(NSC_CIO_INDEX + 1, (TPM_NSC_BASE + 1)); 3021da177e4SLinus Torvalds tpm_read_index(NSC_DIO_INDEX); 3031da177e4SLinus Torvalds tpm_read_index(NSC_DIO_INDEX + 1); 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds /* set the interrupt number to be used for the host interface */ 3061da177e4SLinus Torvalds tpm_write_index(NSC_IRQ_INDEX, TPM_NSC_IRQ); 3071da177e4SLinus Torvalds tpm_write_index(NSC_ITS_INDEX, 0x00); 3081da177e4SLinus Torvalds tpm_read_index(NSC_IRQ_INDEX); 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds /* enable the DPM module */ 3111da177e4SLinus Torvalds tpm_write_index(NSC_LDC_INDEX, 0x01); 3121da177e4SLinus Torvalds tpm_read_index(NSC_LDC_INDEX); 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds if ((rc = tpm_register_hardware(pci_dev, &tpm_nsc)) < 0) 3151da177e4SLinus Torvalds goto out_err; 3161da177e4SLinus Torvalds 3171da177e4SLinus Torvalds return 0; 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds out_err: 3201da177e4SLinus Torvalds pci_disable_device(pci_dev); 3211da177e4SLinus Torvalds return rc; 3221da177e4SLinus Torvalds } 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds static struct pci_device_id tpm_pci_tbl[] __devinitdata = { 3251da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0)}, 3261da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12)}, 3271da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0)}, 3281da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12)}, 3291da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0)}, 3301da177e4SLinus Torvalds {PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_LPC)}, 3311da177e4SLinus Torvalds {0,} 3321da177e4SLinus Torvalds }; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds MODULE_DEVICE_TABLE(pci, tpm_pci_tbl); 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds static struct pci_driver nsc_pci_driver = { 3371da177e4SLinus Torvalds .name = "tpm_nsc", 3381da177e4SLinus Torvalds .id_table = tpm_pci_tbl, 3391da177e4SLinus Torvalds .probe = tpm_nsc_init, 3401da177e4SLinus Torvalds .remove = __devexit_p(tpm_remove), 3411da177e4SLinus Torvalds .suspend = tpm_pm_suspend, 3421da177e4SLinus Torvalds .resume = tpm_pm_resume, 3431da177e4SLinus Torvalds }; 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds static int __init init_nsc(void) 3461da177e4SLinus Torvalds { 3471da177e4SLinus Torvalds return pci_register_driver(&nsc_pci_driver); 3481da177e4SLinus Torvalds } 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds static void __exit cleanup_nsc(void) 3511da177e4SLinus Torvalds { 3521da177e4SLinus Torvalds pci_unregister_driver(&nsc_pci_driver); 3531da177e4SLinus Torvalds } 3541da177e4SLinus Torvalds 3551da177e4SLinus Torvalds module_init(init_nsc); 3561da177e4SLinus Torvalds module_exit(cleanup_nsc); 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds MODULE_AUTHOR("Leendert van Doorn (leendert@watson.ibm.com)"); 3591da177e4SLinus Torvalds MODULE_DESCRIPTION("TPM Driver"); 3601da177e4SLinus Torvalds MODULE_VERSION("2.0"); 3611da177e4SLinus Torvalds MODULE_LICENSE("GPL"); 362