11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i2c-ali1563.c - i2c driver for the ALi 1563 Southbridge 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2004 Patrick Mochel 57188cc66b4facf749e4fc0a44165b06716e1b621Jean Delvare * 2005 Rudolf Marek <r.marek@assembler.cz> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The 1563 southbridge is deceptively similar to the 1533, with a 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * few notable exceptions. One of those happens to be the fact they 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * upgraded the i2c core to be 2.0 compliant, and happens to be almost 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * identical to the i2c controller found in the Intel 801 south 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * bridges. 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This driver is based on a mix of the 15x3, 1535, and i801 drivers, 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * with a little help from the ALi 1563 spec. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file is released under the GPLv2 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/i2c.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 2354fb4a05af0a4b814e6716cfdf3fa97fc6be7a32Jean Delvare#include <linux/acpi.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALI1563_MAX_TIMEOUT 500 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALI1563_SMBBA 0x80 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALI1563_SMB_IOEN 1 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALI1563_SMB_HOSTEN 2 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALI1563_SMB_IOSIZE 16 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_STS (ali1563_smba + 0) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_CNTL1 (ali1563_smba + 1) 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_CNTL2 (ali1563_smba + 2) 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_CMD (ali1563_smba + 3) 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_ADD (ali1563_smba + 4) 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_DAT0 (ali1563_smba + 5) 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_HST_DAT1 (ali1563_smba + 6) 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SMB_BLK_DAT (ali1563_smba + 7) 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_BUSY 0x01 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_INTR 0x02 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_DEVERR 0x04 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_BUSERR 0x08 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_FAIL 0x10 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_DONE 0x80 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_STS_BAD 0x1c 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL1_TIMEOUT 0x80 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL1_LAST 0x40 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_KILL 0x04 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_START 0x40 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_QUICK 0x00 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_BYTE 0x01 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_BYTE_DATA 0x02 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_WORD_DATA 0x03 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define HST_CNTL2_BLOCK 0x05 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 614a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek#define HST_CNTL2_SIZEMASK 0x38 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 63d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvarestatic struct pci_driver ali1563_pci_driver; 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned short ali1563_smba; 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 66482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitnerstatic int ali1563_transaction(struct i2c_adapter *a, int size) 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 data; 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 7097140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell int status = -EIO; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Transaction (pre): STS=%02x, CNTL1=%02x, " 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) { 804a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "ali1563: Trying to reset busy device\n"); 81482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(data | HST_STS_BAD, SMB_HST_STS); 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_START, SMB_HST_CNTL2); 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds timeout = ALI1563_MAX_TIMEOUT; 897d53e79f9ec2842269754efbe34f53aa480d99e3Márton Németh do { 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds msleep(1); 917d53e79f9ec2842269754efbe34f53aa480d99e3Márton Németh } while (((data = inb_p(SMB_HST_STS)) & HST_STS_BUSY) && --timeout); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Transaction (post): STS=%02x, CNTL1=%02x, " 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (timeout && !(data & HST_STS_BAD)) 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1024a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (!timeout) { 1034a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Timeout - Trying to KILL transaction!\n"); 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Issue 'kill' to host controller */ 105482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(HST_CNTL2_KILL, SMB_HST_CNTL2); 1064a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek data = inb_p(SMB_HST_STS); 10797140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell status = -ETIMEDOUT; 108482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner } 1094a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1104a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* device error - no response, ignore the autodetection case */ 11197140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell if (data & HST_STS_DEVERR) { 11297140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell if (size != HST_CNTL2_QUICK) 11397140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell dev_err(&a->dev, "Device error!\n"); 11497140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell status = -ENXIO; 1154a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1164a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* bus collision */ 1174a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (data & HST_STS_BUSERR) { 1184a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Bus collision!\n"); 1194a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* Issue timeout, hoping it helps */ 120482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(HST_CNTL1_TIMEOUT, SMB_HST_CNTL1); 1214a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1224a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1234a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (data & HST_STS_FAIL) { 1244a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Cleaning fail after KILL!\n"); 125482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(0x0, SMB_HST_CNTL2); 1264a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1274a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 12897140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell return status; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 131482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitnerstatic int ali1563_block_start(struct i2c_adapter *a) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 data; 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 13597140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell int status = -EIO; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Block (pre): STS=%02x, CNTL1=%02x, " 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) { 145482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner dev_warn(&a->dev, "ali1563: Trying to reset busy device\n"); 146482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(data | HST_STS_BAD, SMB_HST_STS); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Clear byte-ready bit */ 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data | HST_STS_DONE, SMB_HST_STS); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Start transaction and wait for byte-ready bit to be set */ 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_START, SMB_HST_CNTL2); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds timeout = ALI1563_MAX_TIMEOUT; 1597d53e79f9ec2842269754efbe34f53aa480d99e3Márton Németh do { 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds msleep(1); 1617d53e79f9ec2842269754efbe34f53aa480d99e3Márton Németh } while (!((data = inb_p(SMB_HST_STS)) & HST_STS_DONE) && --timeout); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Block (post): STS=%02x, CNTL1=%02x, " 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (timeout && !(data & HST_STS_BAD)) 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 17197140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell 17297140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell if (timeout == 0) 17397140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell status = -ETIMEDOUT; 17497140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell 17597140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell if (data & HST_STS_DEVERR) 17697140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell status = -ENXIO; 17797140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell 1784a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "SMBus Error: %s%s%s%s%s\n", 17997140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell timeout ? "" : "Timeout ", 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_FAIL ? "Transaction Failed " : "", 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_BUSERR ? "No response or Bus Collision " : "", 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_DEVERR ? "Device Error " : "", 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !(data & HST_STS_DONE) ? "Transaction Never Finished " : ""); 18497140342e69d479a3ad82bfd4c154c0b08fe3eeaDavid Brownell return status; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 187482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitnerstatic int ali1563_block(struct i2c_adapter *a, 188482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner union i2c_smbus_data *data, u8 rw) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, len; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error = 0; 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Do we need this? */ 194482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(HST_CNTL1_LAST, SMB_HST_CNTL1); 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = data->block[0]; 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len < 1) 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 1; 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (len > 32) 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 202482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(len, SMB_HST_DAT0); 203482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(data->block[1], SMB_BLK_DAT); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_BLOCK, SMB_HST_CNTL2); 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len; i++) { 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->block[i + 1], SMB_BLK_DAT); 212482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = ali1563_block_start(a); 213482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (error) 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 216482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = ali1563_block_start(a); 217482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (error) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i == 0) { 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = inb_p(SMB_HST_DAT0); 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len < 1) 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 1; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (len > 32) 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->block[i+1] = inb_p(SMB_BLK_DAT); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Do we need this? */ 230482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(HST_CNTL1_LAST, SMB_HST_CNTL1); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 234482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitnerstatic s32 ali1563_access(struct i2c_adapter *a, u16 addr, 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short flags, char rw, u8 cmd, 236482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner int size, union i2c_smbus_data *data) 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error = 0; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 reg; 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (timeout = ALI1563_MAX_TIMEOUT; timeout; timeout--) { 243482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner reg = inb_p(SMB_HST_STS); 244482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (!(reg & HST_STS_BUSY)) 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!timeout) 248482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner dev_warn(&a->dev, "SMBus not idle. HST_STS = %02x\n", reg); 249482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p(0xff, SMB_HST_STS); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Map the size to what the chip understands */ 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (size) { 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_QUICK: 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_QUICK; 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BYTE: 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BYTE; 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BYTE_DATA: 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BYTE_DATA; 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_WORD_DATA: 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_WORD_DATA; 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BLOCK_DATA: 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BLOCK; 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 268ac7fc4fb2b6a126af8d07f46500440c9641976cfJean Delvare default: 269ac7fc4fb2b6a126af8d07f46500440c9641976cfJean Delvare dev_warn(&a->dev, "Unsupported transaction %d\n", size); 270ac7fc4fb2b6a126af8d07f46500440c9641976cfJean Delvare error = -EOPNOTSUPP; 271ac7fc4fb2b6a126af8d07f46500440c9641976cfJean Delvare goto Done; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD); 275482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner outb_p((inb_p(SMB_HST_CNTL2) & ~HST_CNTL2_SIZEMASK) | 276482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner (size << 3), SMB_HST_CNTL2); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Write the command register */ 2794a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 280482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner switch (size) { 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE: 282482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (rw == I2C_SMBUS_WRITE) 2834a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* Beware it uses DAT0 register and not CMD! */ 2844a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek outb_p(cmd, SMB_HST_DAT0); 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE_DATA: 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->byte, SMB_HST_DAT0); 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_WORD_DATA: 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->word & 0xff, SMB_HST_DAT0); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p((data->word & 0xff00) >> 8, SMB_HST_DAT1); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BLOCK: 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 300482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = ali1563_block(a, data, rw); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 304482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = ali1563_transaction(a, size); 305482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (error) 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((rw == I2C_SMBUS_WRITE) || (size == HST_CNTL2_QUICK)) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (size) { 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE: /* Result put in SMBHSTDAT0 */ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->byte = inb_p(SMB_HST_DAT0); 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE_DATA: 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->byte = inb_p(SMB_HST_DAT0); 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_WORD_DATA: 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->word = inb_p(SMB_HST_DAT0) + (inb_p(SMB_HST_DAT1) << 8); 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsDone: 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 326482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitnerstatic u32 ali1563_func(struct i2c_adapter *a) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds I2C_FUNC_SMBUS_BLOCK_DATA; 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3340b255e927d47b550620dfd3475ee74b0f52e09c8Bill Pembertonstatic int ali1563_setup(struct pci_dev *dev) 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 ctrl; 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 338482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner pci_read_config_word(dev, ALI1563_SMBBA, &ctrl); 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* SMB I/O Base in high 12 bits and must be aligned with the 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size of the I/O space. */ 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_smba = ctrl & ~(ALI1563_SMB_IOSIZE - 1); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ali1563_smba) { 344482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner dev_warn(&dev->dev, "ali1563_smba Uninitialized\n"); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 347849be516c57501ec4729bde51babc25a7b073b65Jean Delvare 348849be516c57501ec4729bde51babc25a7b073b65Jean Delvare /* Check if device is enabled */ 349849be516c57501ec4729bde51babc25a7b073b65Jean Delvare if (!(ctrl & ALI1563_SMB_HOSTEN)) { 350849be516c57501ec4729bde51babc25a7b073b65Jean Delvare dev_warn(&dev->dev, "Host Controller not enabled\n"); 351849be516c57501ec4729bde51babc25a7b073b65Jean Delvare goto Err; 352849be516c57501ec4729bde51babc25a7b073b65Jean Delvare } 353849be516c57501ec4729bde51babc25a7b073b65Jean Delvare if (!(ctrl & ALI1563_SMB_IOEN)) { 354849be516c57501ec4729bde51babc25a7b073b65Jean Delvare dev_warn(&dev->dev, "I/O space not enabled, trying manually\n"); 355849be516c57501ec4729bde51babc25a7b073b65Jean Delvare pci_write_config_word(dev, ALI1563_SMBBA, 356849be516c57501ec4729bde51babc25a7b073b65Jean Delvare ctrl | ALI1563_SMB_IOEN); 357849be516c57501ec4729bde51babc25a7b073b65Jean Delvare pci_read_config_word(dev, ALI1563_SMBBA, &ctrl); 358849be516c57501ec4729bde51babc25a7b073b65Jean Delvare if (!(ctrl & ALI1563_SMB_IOEN)) { 359482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner dev_err(&dev->dev, 360482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner "I/O space still not enabled, giving up\n"); 361849be516c57501ec4729bde51babc25a7b073b65Jean Delvare goto Err; 362849be516c57501ec4729bde51babc25a7b073b65Jean Delvare } 363849be516c57501ec4729bde51babc25a7b073b65Jean Delvare } 364849be516c57501ec4729bde51babc25a7b073b65Jean Delvare 36554fb4a05af0a4b814e6716cfdf3fa97fc6be7a32Jean Delvare if (acpi_check_region(ali1563_smba, ALI1563_SMB_IOSIZE, 36654fb4a05af0a4b814e6716cfdf3fa97fc6be7a32Jean Delvare ali1563_pci_driver.name)) 36754fb4a05af0a4b814e6716cfdf3fa97fc6be7a32Jean Delvare goto Err; 36854fb4a05af0a4b814e6716cfdf3fa97fc6be7a32Jean Delvare 369d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvare if (!request_region(ali1563_smba, ALI1563_SMB_IOSIZE, 370d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvare ali1563_pci_driver.name)) { 37169735698312f6f5e47001cf62dc678f591b6a6deJean Delvare dev_err(&dev->dev, "Could not allocate I/O space at 0x%04x\n", 37269735698312f6f5e47001cf62dc678f591b6a6deJean Delvare ali1563_smba); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 37569735698312f6f5e47001cf62dc678f591b6a6deJean Delvare dev_info(&dev->dev, "Found ALi1563 SMBus at 0x%04x\n", ali1563_smba); 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsErr: 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ali1563_shutdown(struct pci_dev *dev) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 384482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner release_region(ali1563_smba, ALI1563_SMB_IOSIZE); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3878f9082c5ce0e2c2f7ad0211b0c089f680d2efc11Jean Delvarestatic const struct i2c_algorithm ali1563_algorithm = { 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .smbus_xfer = ali1563_access, 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .functionality = ali1563_func, 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_adapter ali1563_adapter = { 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .owner = THIS_MODULE, 3943401b2fff38fbb8b73ea6bcc69a8370ae5d2a7a0Jean Delvare .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .algo = &ali1563_algorithm, 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3980b255e927d47b550620dfd3475ee74b0f52e09c8Bill Pembertonstatic int ali1563_probe(struct pci_dev *dev, 3990b255e927d47b550620dfd3475ee74b0f52e09c8Bill Pemberton const struct pci_device_id *id_table) 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 403482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = ali1563_setup(dev); 404482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (error) 40569735698312f6f5e47001cf62dc678f591b6a6deJean Delvare goto exit; 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_adapter.dev.parent = &dev->dev; 40766c7acf61dc6b27954bb9ceb8617d447ac03734aJean Delvare snprintf(ali1563_adapter.name, sizeof(ali1563_adapter.name), 40866c7acf61dc6b27954bb9ceb8617d447ac03734aJean Delvare "SMBus ALi 1563 Adapter @ %04x", ali1563_smba); 409482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner error = i2c_add_adapter(&ali1563_adapter); 410482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner if (error) 41169735698312f6f5e47001cf62dc678f591b6a6deJean Delvare goto exit_shutdown; 41269735698312f6f5e47001cf62dc678f591b6a6deJean Delvare return 0; 41369735698312f6f5e47001cf62dc678f591b6a6deJean Delvare 41469735698312f6f5e47001cf62dc678f591b6a6deJean Delvareexit_shutdown: 41569735698312f6f5e47001cf62dc678f591b6a6deJean Delvare ali1563_shutdown(dev); 41669735698312f6f5e47001cf62dc678f591b6a6deJean Delvareexit: 41769735698312f6f5e47001cf62dc678f591b6a6deJean Delvare dev_warn(&dev->dev, "ALi1563 SMBus probe failed (%d)\n", error); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4210b255e927d47b550620dfd3475ee74b0f52e09c8Bill Pembertonstatic void ali1563_remove(struct pci_dev *dev) 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_del_adapter(&ali1563_adapter); 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_shutdown(dev); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 427392debf11656dedd79da44416747d5b2b1747f5eJingoo Hanstatic const struct pci_device_id ali1563_id_table[] = { 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1563) }, 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds {}, 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 432482116badacba9308abd6c5cae2f5f19e2f81449Richard LeitnerMODULE_DEVICE_TABLE(pci, ali1563_id_table); 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver ali1563_pci_driver = { 435482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner .name = "ali1563_smbus", 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = ali1563_id_table, 437482116badacba9308abd6c5cae2f5f19e2f81449Richard Leitner .probe = ali1563_probe, 4380b255e927d47b550620dfd3475ee74b0f52e09c8Bill Pemberton .remove = ali1563_remove, 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 44156f2178898ffca84dcdfb351f0127bf5732b1610Axel Linmodule_pci_driver(ali1563_pci_driver); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 444