i2c-ali1563.c revision 8f9082c5ce0e2c2f7ad0211b0c089f680d2efc11
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i2c-ali1563.c - i2c driver for the ALi 1563 Southbridge 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2004 Patrick Mochel 54a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek * 2005 Rudolf Marek <r.marek@sh.cvut.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> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.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 664a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marekstatic int ali1563_transaction(struct i2c_adapter * a, int size) 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 data; 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Transaction (pre): STS=%02x, CNTL1=%02x, " 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) { 794a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "ali1563: Trying to reset busy device\n"); 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data | HST_STS_BAD,SMB_HST_STS); 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_START, SMB_HST_CNTL2); 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds timeout = ALI1563_MAX_TIMEOUT; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds msleep(1); 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (((data = inb_p(SMB_HST_STS)) & HST_STS_BUSY) && --timeout); 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Transaction (post): STS=%02x, CNTL1=%02x, " 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (timeout && !(data & HST_STS_BAD)) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1014a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (!timeout) { 1024a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Timeout - Trying to KILL transaction!\n"); 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Issue 'kill' to host controller */ 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(HST_CNTL2_KILL,SMB_HST_CNTL2); 1054a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek data = inb_p(SMB_HST_STS); 1064a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1074a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1084a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* device error - no response, ignore the autodetection case */ 1094a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if ((data & HST_STS_DEVERR) && (size != HST_CNTL2_QUICK)) { 1104a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Device error!\n"); 1114a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1124a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1134a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* bus collision */ 1144a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (data & HST_STS_BUSERR) { 1154a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Bus collision!\n"); 1164a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* Issue timeout, hoping it helps */ 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(HST_CNTL1_TIMEOUT,SMB_HST_CNTL1); 1184a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1194a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1204a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if (data & HST_STS_FAIL) { 1214a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "Cleaning fail after KILL!\n"); 1224a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek outb_p(0x0,SMB_HST_CNTL2); 1234a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek } 1244a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ali1563_block_start(struct i2c_adapter * a) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 data; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Block (pre): STS=%02x, CNTL1=%02x, " 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) { 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&a->dev,"ali1563: Trying to reset busy device\n"); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data | HST_STS_BAD,SMB_HST_STS); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data = inb_p(SMB_HST_STS); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data & HST_STS_BAD) 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EBUSY; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Clear byte-ready bit */ 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data | HST_STS_DONE, SMB_HST_STS); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Start transaction and wait for byte-ready bit to be set */ 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_START, SMB_HST_CNTL2); 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds timeout = ALI1563_MAX_TIMEOUT; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds msleep(1); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (!((data = inb_p(SMB_HST_STS)) & HST_STS_DONE) && --timeout); 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&a->dev, "Block (post): STS=%02x, CNTL1=%02x, " 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "CNTL2=%02x, CMD=%02x, ADD=%02x, DAT0=%02x, DAT1=%02x\n", 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_STS), inb_p(SMB_HST_CNTL1), inb_p(SMB_HST_CNTL2), 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_CMD), inb_p(SMB_HST_ADD), inb_p(SMB_HST_DAT0), 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds inb_p(SMB_HST_DAT1)); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (timeout && !(data & HST_STS_BAD)) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1674a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek dev_err(&a->dev, "SMBus Error: %s%s%s%s%s\n", 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds timeout ? "Timeout " : "", 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_FAIL ? "Transaction Failed " : "", 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_BUSERR ? "No response or Bus Collision " : "", 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data & HST_STS_DEVERR ? "Device Error " : "", 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds !(data & HST_STS_DONE) ? "Transaction Never Finished " : ""); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ali1563_block(struct i2c_adapter * a, union i2c_smbus_data * data, u8 rw) 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, len; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error = 0; 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Do we need this? */ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(HST_CNTL1_LAST,SMB_HST_CNTL1); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = data->block[0]; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len < 1) 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 1; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (len > 32) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(len,SMB_HST_DAT0); 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->block[1],SMB_BLK_DAT); 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(inb_p(SMB_HST_CNTL2) | HST_CNTL2_BLOCK, SMB_HST_CNTL2); 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < len; i++) { 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->block[i + 1], SMB_BLK_DAT); 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((error = ali1563_block_start(a))) 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((error = ali1563_block_start(a))) 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i == 0) { 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = inb_p(SMB_HST_DAT0); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len < 1) 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 1; 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (len > 32) 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 32; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->block[i+1] = inb_p(SMB_BLK_DAT); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Do we need this? */ 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(HST_CNTL1_LAST,SMB_HST_CNTL1); 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic s32 ali1563_access(struct i2c_adapter * a, u16 addr, 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned short flags, char rw, u8 cmd, 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int size, union i2c_smbus_data * data) 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error = 0; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout; 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 reg; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (timeout = ALI1563_MAX_TIMEOUT; timeout; timeout--) { 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(reg = inb_p(SMB_HST_STS) & HST_STS_BUSY)) 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!timeout) 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&a->dev,"SMBus not idle. HST_STS = %02x\n",reg); 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(0xff,SMB_HST_STS); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Map the size to what the chip understands */ 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (size) { 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_PROC_CALL: 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_err(&a->dev, "I2C_SMBUS_PROC_CALL not supported!\n"); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = -EINVAL; 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_QUICK: 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_QUICK; 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BYTE: 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BYTE; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BYTE_DATA: 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BYTE_DATA; 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_WORD_DATA: 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_WORD_DATA; 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case I2C_SMBUS_BLOCK_DATA: 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size = HST_CNTL2_BLOCK; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(((addr & 0x7f) << 1) | (rw & 0x01), SMB_HST_ADD); 2604a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek outb_p((inb_p(SMB_HST_CNTL2) & ~HST_CNTL2_SIZEMASK) | (size << 3), SMB_HST_CNTL2); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Write the command register */ 2634a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(size) { 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE: 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw== I2C_SMBUS_WRITE) 2674a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek /* Beware it uses DAT0 register and not CMD! */ 2684a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek outb_p(cmd, SMB_HST_DAT0); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE_DATA: 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->byte, SMB_HST_DAT0); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_WORD_DATA: 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rw == I2C_SMBUS_WRITE) { 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(data->word & 0xff, SMB_HST_DAT0); 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p((data->word & 0xff00) >> 8, SMB_HST_DAT1); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BLOCK: 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds outb_p(cmd, SMB_HST_CMD); 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds error = ali1563_block(a,data,rw); 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2884a4e5787e0b721021fe0a456ddc987a04cebfc8dRudolf Marek if ((error = ali1563_transaction(a, size))) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((rw == I2C_SMBUS_WRITE) || (size == HST_CNTL2_QUICK)) 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Done; 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (size) { 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE: /* Result put in SMBHSTDAT0 */ 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->byte = inb_p(SMB_HST_DAT0); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_BYTE_DATA: 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->byte = inb_p(SMB_HST_DAT0); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case HST_CNTL2_WORD_DATA: 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->word = inb_p(SMB_HST_DAT0) + (inb_p(SMB_HST_DAT1) << 8); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsDone: 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u32 ali1563_func(struct i2c_adapter * a) 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds I2C_FUNC_SMBUS_BLOCK_DATA; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ali1563_enable(struct pci_dev * dev) 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 ctrl; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(dev,ALI1563_SMBBA,&ctrl); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ctrl |= 0x7; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_write_config_word(dev,ALI1563_SMBBA,ctrl); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit ali1563_setup(struct pci_dev * dev) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 ctrl; 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(dev,ALI1563_SMBBA,&ctrl); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("ali1563: SMBus control = %04x\n",ctrl); 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if device is even enabled first */ 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ctrl & ALI1563_SMB_IOEN)) { 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&dev->dev,"I/O space not enabled, trying manually\n"); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_enable(dev); 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ctrl & ALI1563_SMB_IOEN)) { 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&dev->dev,"I/O space still not enabled, giving up\n"); 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(ctrl & ALI1563_SMB_HOSTEN)) { 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&dev->dev,"Host Controller not enabled\n"); 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* SMB I/O Base in high 12 bits and must be aligned with the 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * size of the I/O space. */ 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_smba = ctrl & ~(ALI1563_SMB_IOSIZE - 1); 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ali1563_smba) { 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&dev->dev,"ali1563_smba Uninitialized\n"); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 354d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvare if (!request_region(ali1563_smba, ALI1563_SMB_IOSIZE, 355d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvare ali1563_pci_driver.name)) { 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&dev->dev,"Could not allocate I/O space"); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto Err; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsErr: 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void ali1563_shutdown(struct pci_dev *dev) 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release_region(ali1563_smba,ALI1563_SMB_IOSIZE); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3708f9082c5ce0e2c2f7ad0211b0c089f680d2efc11Jean Delvarestatic const struct i2c_algorithm ali1563_algorithm = { 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .smbus_xfer = ali1563_access, 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .functionality = ali1563_func, 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_adapter ali1563_adapter = { 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .owner = THIS_MODULE, 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .class = I2C_CLASS_HWMON, 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .algo = &ali1563_algorithm, 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit ali1563_probe(struct pci_dev * dev, 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct pci_device_id * id_table) 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int error; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((error = ali1563_setup(dev))) 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_adapter.dev.parent = &dev->dev; 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(ali1563_adapter.name,"SMBus ALi 1563 Adapter @ %04x", 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_smba); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((error = i2c_add_adapter(&ali1563_adapter))) 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_shutdown(dev); 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%s: Returning %d\n",__FUNCTION__,error); 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return error; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __devexit ali1563_remove(struct pci_dev * dev) 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_del_adapter(&ali1563_adapter); 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ali1563_shutdown(dev); 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_device_id __devinitdata ali1563_id_table[] = { 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1563) }, 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds {}, 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE (pci, ali1563_id_table); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver ali1563_pci_driver = { 411d6072f842a77014220683ee5b781b7cee8f020d1Jean Delvare .name = "ali1563_smbus", 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = ali1563_id_table, 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = ali1563_probe, 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = __devexit_p(ali1563_remove), 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init ali1563_init(void) 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return pci_register_driver(&ali1563_pci_driver); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(ali1563_init); 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit ali1563_exit(void) 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unregister_driver(&ali1563_pci_driver); 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(ali1563_exit); 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 432