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1da177e4 | 1 | /* |
5f49ef8e | 2 | Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>, |
96de0e25 | 3 | Philip Edelbrock <phil@netroedge.com>, Kyösti Mälkki <kmalkki@cc.hut.fi>, |
1da177e4 | 4 | Mark D. Studebaker <mdsxyz123@yahoo.com> |
0d227a7e | 5 | Copyright (C) 2005 - 2008 Jean Delvare <khali@linux-fr.org> |
1da177e4 LT |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | /* | |
aaf7f147 JD |
23 | Supports the following VIA south bridges: |
24 | ||
25 | Chip name PCI ID REV I2C block | |
26 | VT82C596A 0x3050 no | |
27 | VT82C596B 0x3051 no | |
28 | VT82C686A 0x3057 0x30 no | |
29 | VT82C686B 0x3057 0x40 yes | |
30 | VT8231 0x8235 no? | |
31 | VT8233 0x3074 yes | |
32 | VT8233A 0x3147 yes? | |
33 | VT8235 0x3177 yes | |
34 | VT8237R 0x3227 yes | |
c243353a | 35 | VT8237A 0x3337 yes |
0d227a7e | 36 | VT8237S 0x3372 yes |
c243353a | 37 | VT8251 0x3287 yes |
ab6a6ed2 | 38 | CX700 0x8324 yes |
b806a71a | 39 | VX800/VX820 0x8353 yes |
aaf7f147 | 40 | |
1da177e4 LT |
41 | Note: we assume there can only be one device, with one SMBus interface. |
42 | */ | |
43 | ||
1da177e4 LT |
44 | #include <linux/module.h> |
45 | #include <linux/delay.h> | |
46 | #include <linux/pci.h> | |
47 | #include <linux/kernel.h> | |
48 | #include <linux/stddef.h> | |
1da177e4 LT |
49 | #include <linux/ioport.h> |
50 | #include <linux/i2c.h> | |
51 | #include <linux/init.h> | |
54fb4a05 | 52 | #include <linux/acpi.h> |
1da177e4 LT |
53 | #include <asm/io.h> |
54 | ||
55 | static struct pci_dev *vt596_pdev; | |
56 | ||
5f49ef8e JD |
57 | #define SMBBA1 0x90 |
58 | #define SMBBA2 0x80 | |
59 | #define SMBBA3 0xD0 | |
1da177e4 LT |
60 | |
61 | /* SMBus address offsets */ | |
62 | static unsigned short vt596_smba; | |
63 | #define SMBHSTSTS (vt596_smba + 0) | |
1da177e4 LT |
64 | #define SMBHSTCNT (vt596_smba + 2) |
65 | #define SMBHSTCMD (vt596_smba + 3) | |
66 | #define SMBHSTADD (vt596_smba + 4) | |
67 | #define SMBHSTDAT0 (vt596_smba + 5) | |
68 | #define SMBHSTDAT1 (vt596_smba + 6) | |
69 | #define SMBBLKDAT (vt596_smba + 7) | |
1da177e4 LT |
70 | |
71 | /* PCI Address Constants */ | |
72 | ||
73 | /* SMBus data in configuration space can be found in two places, | |
5f49ef8e | 74 | We try to select the better one */ |
1da177e4 | 75 | |
c2f559d5 | 76 | static unsigned short SMBHSTCFG = 0xD2; |
1da177e4 LT |
77 | |
78 | /* Other settings */ | |
79 | #define MAX_TIMEOUT 500 | |
1da177e4 LT |
80 | |
81 | /* VT82C596 constants */ | |
5f49ef8e JD |
82 | #define VT596_QUICK 0x00 |
83 | #define VT596_BYTE 0x04 | |
84 | #define VT596_BYTE_DATA 0x08 | |
85 | #define VT596_WORD_DATA 0x0C | |
a05f2c5a | 86 | #define VT596_PROC_CALL 0x10 |
5f49ef8e | 87 | #define VT596_BLOCK_DATA 0x14 |
f1183014 | 88 | #define VT596_I2C_BLOCK_DATA 0x34 |
1da177e4 LT |
89 | |
90 | ||
91 | /* If force is set to anything different from 0, we forcibly enable the | |
92 | VT596. DANGEROUS! */ | |
93 | static int force; | |
94 | module_param(force, bool, 0); | |
95 | MODULE_PARM_DESC(force, "Forcibly enable the SMBus. DANGEROUS!"); | |
96 | ||
97 | /* If force_addr is set to anything different from 0, we forcibly enable | |
98 | the VT596 at the given address. VERY DANGEROUS! */ | |
99 | static u16 force_addr; | |
100 | module_param(force_addr, ushort, 0); | |
101 | MODULE_PARM_DESC(force_addr, | |
102 | "Forcibly enable the SMBus at the given address. " | |
103 | "EXTREMELY DANGEROUS!"); | |
104 | ||
105 | ||
c2f559d5 | 106 | static struct pci_driver vt596_driver; |
1da177e4 LT |
107 | static struct i2c_adapter vt596_adapter; |
108 | ||
f1183014 JD |
109 | #define FEATURE_I2CBLOCK (1<<0) |
110 | static unsigned int vt596_features; | |
111 | ||
ed5453e5 JD |
112 | #ifdef DEBUG |
113 | static void vt596_dump_regs(const char *msg, u8 size) | |
114 | { | |
115 | dev_dbg(&vt596_adapter.dev, "%s: STS=%02x CNT=%02x CMD=%02x ADD=%02x " | |
116 | "DAT=%02x,%02x\n", msg, inb_p(SMBHSTSTS), inb_p(SMBHSTCNT), | |
117 | inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0), | |
118 | inb_p(SMBHSTDAT1)); | |
119 | ||
120 | if (size == VT596_BLOCK_DATA | |
121 | || size == VT596_I2C_BLOCK_DATA) { | |
122 | int i; | |
123 | ||
124 | dev_dbg(&vt596_adapter.dev, "BLK="); | |
125 | for (i = 0; i < I2C_SMBUS_BLOCK_MAX / 2; i++) | |
126 | printk("%02x,", inb_p(SMBBLKDAT)); | |
127 | printk("\n"); | |
128 | dev_dbg(&vt596_adapter.dev, " "); | |
129 | for (; i < I2C_SMBUS_BLOCK_MAX - 1; i++) | |
130 | printk("%02x,", inb_p(SMBBLKDAT)); | |
131 | printk("%02x\n", inb_p(SMBBLKDAT)); | |
132 | } | |
133 | } | |
ca68f119 GKH |
134 | #else |
135 | static inline void vt596_dump_regs(const char *msg, u8 size) { } | |
ed5453e5 JD |
136 | #endif |
137 | ||
c2f559d5 | 138 | /* Return -1 on error, 0 on success */ |
50c1cc33 | 139 | static int vt596_transaction(u8 size) |
1da177e4 LT |
140 | { |
141 | int temp; | |
142 | int result = 0; | |
143 | int timeout = 0; | |
144 | ||
ed5453e5 | 145 | vt596_dump_regs("Transaction (pre)", size); |
1da177e4 LT |
146 | |
147 | /* Make sure the SMBus host is ready to start transmitting */ | |
148 | if ((temp = inb_p(SMBHSTSTS)) & 0x1F) { | |
149 | dev_dbg(&vt596_adapter.dev, "SMBus busy (0x%02x). " | |
8750197f | 150 | "Resetting...\n", temp); |
5f49ef8e | 151 | |
1da177e4 LT |
152 | outb_p(temp, SMBHSTSTS); |
153 | if ((temp = inb_p(SMBHSTSTS)) & 0x1F) { | |
8750197f JD |
154 | dev_err(&vt596_adapter.dev, "SMBus reset failed! " |
155 | "(0x%02x)\n", temp); | |
97140342 | 156 | return -EBUSY; |
1da177e4 LT |
157 | } |
158 | } | |
159 | ||
c2f559d5 | 160 | /* Start the transaction by setting bit 6 */ |
8750197f | 161 | outb_p(0x40 | size, SMBHSTCNT); |
1da177e4 | 162 | |
c2f559d5 | 163 | /* We will always wait for a fraction of a second */ |
1da177e4 LT |
164 | do { |
165 | msleep(1); | |
166 | temp = inb_p(SMBHSTSTS); | |
167 | } while ((temp & 0x01) && (timeout++ < MAX_TIMEOUT)); | |
168 | ||
169 | /* If the SMBus is still busy, we give up */ | |
170 | if (timeout >= MAX_TIMEOUT) { | |
97140342 | 171 | result = -ETIMEDOUT; |
c2f559d5 | 172 | dev_err(&vt596_adapter.dev, "SMBus timeout!\n"); |
1da177e4 LT |
173 | } |
174 | ||
175 | if (temp & 0x10) { | |
97140342 | 176 | result = -EIO; |
c2f559d5 | 177 | dev_err(&vt596_adapter.dev, "Transaction failed (0x%02x)\n", |
8750197f | 178 | size); |
1da177e4 LT |
179 | } |
180 | ||
181 | if (temp & 0x08) { | |
97140342 | 182 | result = -EIO; |
c2f559d5 | 183 | dev_err(&vt596_adapter.dev, "SMBus collision!\n"); |
1da177e4 LT |
184 | } |
185 | ||
186 | if (temp & 0x04) { | |
8750197f | 187 | int read = inb_p(SMBHSTADD) & 0x01; |
97140342 | 188 | result = -ENXIO; |
8750197f JD |
189 | /* The quick and receive byte commands are used to probe |
190 | for chips, so errors are expected, and we don't want | |
191 | to frighten the user. */ | |
192 | if (!((size == VT596_QUICK && !read) || | |
193 | (size == VT596_BYTE && read))) | |
c2f559d5 | 194 | dev_err(&vt596_adapter.dev, "Transaction error!\n"); |
1da177e4 LT |
195 | } |
196 | ||
c2f559d5 JD |
197 | /* Resetting status register */ |
198 | if (temp & 0x1F) | |
1da177e4 | 199 | outb_p(temp, SMBHSTSTS); |
1da177e4 | 200 | |
ed5453e5 | 201 | vt596_dump_regs("Transaction (post)", size); |
5f49ef8e | 202 | |
1da177e4 LT |
203 | return result; |
204 | } | |
205 | ||
97140342 | 206 | /* Return negative errno on error, 0 on success */ |
1da177e4 | 207 | static s32 vt596_access(struct i2c_adapter *adap, u16 addr, |
5f49ef8e JD |
208 | unsigned short flags, char read_write, u8 command, |
209 | int size, union i2c_smbus_data *data) | |
1da177e4 | 210 | { |
c2f559d5 | 211 | int i; |
97140342 | 212 | int status; |
1da177e4 LT |
213 | |
214 | switch (size) { | |
1da177e4 | 215 | case I2C_SMBUS_QUICK: |
1da177e4 LT |
216 | size = VT596_QUICK; |
217 | break; | |
218 | case I2C_SMBUS_BYTE: | |
1da177e4 LT |
219 | if (read_write == I2C_SMBUS_WRITE) |
220 | outb_p(command, SMBHSTCMD); | |
221 | size = VT596_BYTE; | |
222 | break; | |
223 | case I2C_SMBUS_BYTE_DATA: | |
1da177e4 LT |
224 | outb_p(command, SMBHSTCMD); |
225 | if (read_write == I2C_SMBUS_WRITE) | |
226 | outb_p(data->byte, SMBHSTDAT0); | |
227 | size = VT596_BYTE_DATA; | |
228 | break; | |
229 | case I2C_SMBUS_WORD_DATA: | |
1da177e4 LT |
230 | outb_p(command, SMBHSTCMD); |
231 | if (read_write == I2C_SMBUS_WRITE) { | |
232 | outb_p(data->word & 0xff, SMBHSTDAT0); | |
233 | outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1); | |
234 | } | |
235 | size = VT596_WORD_DATA; | |
236 | break; | |
a05f2c5a PM |
237 | case I2C_SMBUS_PROC_CALL: |
238 | outb_p(command, SMBHSTCMD); | |
239 | outb_p(data->word & 0xff, SMBHSTDAT0); | |
240 | outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1); | |
241 | size = VT596_PROC_CALL; | |
242 | break; | |
f1183014 JD |
243 | case I2C_SMBUS_I2C_BLOCK_DATA: |
244 | if (!(vt596_features & FEATURE_I2CBLOCK)) | |
c2f559d5 | 245 | goto exit_unsupported; |
f1183014 | 246 | if (read_write == I2C_SMBUS_READ) |
4b2643d7 | 247 | outb_p(data->block[0], SMBHSTDAT0); |
f1183014 | 248 | /* Fall through */ |
1da177e4 | 249 | case I2C_SMBUS_BLOCK_DATA: |
1da177e4 LT |
250 | outb_p(command, SMBHSTCMD); |
251 | if (read_write == I2C_SMBUS_WRITE) { | |
c2f559d5 | 252 | u8 len = data->block[0]; |
1da177e4 LT |
253 | if (len > I2C_SMBUS_BLOCK_MAX) |
254 | len = I2C_SMBUS_BLOCK_MAX; | |
255 | outb_p(len, SMBHSTDAT0); | |
c2f559d5 | 256 | inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */ |
1da177e4 LT |
257 | for (i = 1; i <= len; i++) |
258 | outb_p(data->block[i], SMBBLKDAT); | |
259 | } | |
f1183014 JD |
260 | size = (size == I2C_SMBUS_I2C_BLOCK_DATA) ? |
261 | VT596_I2C_BLOCK_DATA : VT596_BLOCK_DATA; | |
1da177e4 | 262 | break; |
c2f559d5 JD |
263 | default: |
264 | goto exit_unsupported; | |
1da177e4 LT |
265 | } |
266 | ||
c2f559d5 | 267 | outb_p(((addr & 0x7f) << 1) | read_write, SMBHSTADD); |
1da177e4 | 268 | |
97140342 DB |
269 | status = vt596_transaction(size); |
270 | if (status) | |
271 | return status; | |
1da177e4 | 272 | |
a05f2c5a PM |
273 | if (size == VT596_PROC_CALL) |
274 | read_write = I2C_SMBUS_READ; | |
275 | ||
1da177e4 LT |
276 | if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK)) |
277 | return 0; | |
278 | ||
279 | switch (size) { | |
280 | case VT596_BYTE: | |
1da177e4 LT |
281 | case VT596_BYTE_DATA: |
282 | data->byte = inb_p(SMBHSTDAT0); | |
283 | break; | |
284 | case VT596_WORD_DATA: | |
a05f2c5a | 285 | case VT596_PROC_CALL: |
1da177e4 LT |
286 | data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8); |
287 | break; | |
f1183014 | 288 | case VT596_I2C_BLOCK_DATA: |
1da177e4 LT |
289 | case VT596_BLOCK_DATA: |
290 | data->block[0] = inb_p(SMBHSTDAT0); | |
291 | if (data->block[0] > I2C_SMBUS_BLOCK_MAX) | |
292 | data->block[0] = I2C_SMBUS_BLOCK_MAX; | |
c2f559d5 | 293 | inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */ |
1da177e4 LT |
294 | for (i = 1; i <= data->block[0]; i++) |
295 | data->block[i] = inb_p(SMBBLKDAT); | |
296 | break; | |
297 | } | |
298 | return 0; | |
c2f559d5 JD |
299 | |
300 | exit_unsupported: | |
ac7fc4fb | 301 | dev_warn(&vt596_adapter.dev, "Unsupported transaction %d\n", |
c2f559d5 | 302 | size); |
97140342 | 303 | return -EOPNOTSUPP; |
1da177e4 LT |
304 | } |
305 | ||
306 | static u32 vt596_func(struct i2c_adapter *adapter) | |
307 | { | |
f1183014 | 308 | u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | |
1da177e4 | 309 | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | |
a05f2c5a | 310 | I2C_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_BLOCK_DATA; |
f1183014 JD |
311 | |
312 | if (vt596_features & FEATURE_I2CBLOCK) | |
313 | func |= I2C_FUNC_SMBUS_I2C_BLOCK; | |
314 | return func; | |
1da177e4 LT |
315 | } |
316 | ||
8f9082c5 | 317 | static const struct i2c_algorithm smbus_algorithm = { |
1da177e4 LT |
318 | .smbus_xfer = vt596_access, |
319 | .functionality = vt596_func, | |
320 | }; | |
321 | ||
322 | static struct i2c_adapter vt596_adapter = { | |
323 | .owner = THIS_MODULE, | |
3401b2ff | 324 | .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, |
1da177e4 | 325 | .algo = &smbus_algorithm, |
1da177e4 LT |
326 | }; |
327 | ||
328 | static int __devinit vt596_probe(struct pci_dev *pdev, | |
329 | const struct pci_device_id *id) | |
330 | { | |
331 | unsigned char temp; | |
332 | int error = -ENODEV; | |
5f49ef8e | 333 | |
1da177e4 LT |
334 | /* Determine the address of the SMBus areas */ |
335 | if (force_addr) { | |
336 | vt596_smba = force_addr & 0xfff0; | |
337 | force = 0; | |
338 | goto found; | |
339 | } | |
340 | ||
341 | if ((pci_read_config_word(pdev, id->driver_data, &vt596_smba)) || | |
c2f559d5 | 342 | !(vt596_smba & 0x0001)) { |
1da177e4 LT |
343 | /* try 2nd address and config reg. for 596 */ |
344 | if (id->device == PCI_DEVICE_ID_VIA_82C596_3 && | |
345 | !pci_read_config_word(pdev, SMBBA2, &vt596_smba) && | |
c2f559d5 JD |
346 | (vt596_smba & 0x0001)) { |
347 | SMBHSTCFG = 0x84; | |
1da177e4 LT |
348 | } else { |
349 | /* no matches at all */ | |
350 | dev_err(&pdev->dev, "Cannot configure " | |
351 | "SMBus I/O Base address\n"); | |
352 | return -ENODEV; | |
353 | } | |
354 | } | |
355 | ||
356 | vt596_smba &= 0xfff0; | |
357 | if (vt596_smba == 0) { | |
358 | dev_err(&pdev->dev, "SMBus base address " | |
359 | "uninitialized - upgrade BIOS or use " | |
360 | "force_addr=0xaddr\n"); | |
361 | return -ENODEV; | |
362 | } | |
363 | ||
5f49ef8e | 364 | found: |
54fb4a05 JD |
365 | error = acpi_check_region(vt596_smba, 8, vt596_driver.name); |
366 | if (error) | |
367 | return error; | |
368 | ||
c2f559d5 | 369 | if (!request_region(vt596_smba, 8, vt596_driver.name)) { |
1da177e4 | 370 | dev_err(&pdev->dev, "SMBus region 0x%x already in use!\n", |
5f49ef8e | 371 | vt596_smba); |
1da177e4 LT |
372 | return -ENODEV; |
373 | } | |
374 | ||
375 | pci_read_config_byte(pdev, SMBHSTCFG, &temp); | |
376 | /* If force_addr is set, we program the new address here. Just to make | |
377 | sure, we disable the VT596 first. */ | |
378 | if (force_addr) { | |
379 | pci_write_config_byte(pdev, SMBHSTCFG, temp & 0xfe); | |
380 | pci_write_config_word(pdev, id->driver_data, vt596_smba); | |
381 | pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01); | |
382 | dev_warn(&pdev->dev, "WARNING: SMBus interface set to new " | |
5f49ef8e | 383 | "address 0x%04x!\n", vt596_smba); |
c2f559d5 | 384 | } else if (!(temp & 0x01)) { |
1da177e4 | 385 | if (force) { |
5f49ef8e JD |
386 | /* NOTE: This assumes I/O space and other allocations |
387 | * WERE done by the Bios! Don't complain if your | |
388 | * hardware does weird things after enabling this. | |
389 | * :') Check for Bios updates before resorting to | |
1da177e4 LT |
390 | * this. |
391 | */ | |
c2f559d5 | 392 | pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01); |
1da177e4 LT |
393 | dev_info(&pdev->dev, "Enabling SMBus device\n"); |
394 | } else { | |
395 | dev_err(&pdev->dev, "SMBUS: Error: Host SMBus " | |
396 | "controller not enabled! - upgrade BIOS or " | |
397 | "use force=1\n"); | |
398 | goto release_region; | |
399 | } | |
400 | } | |
401 | ||
1da177e4 LT |
402 | dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba); |
403 | ||
f1183014 | 404 | switch (pdev->device) { |
ab6a6ed2 | 405 | case PCI_DEVICE_ID_VIA_CX700: |
b806a71a | 406 | case PCI_DEVICE_ID_VIA_VX800: |
c243353a | 407 | case PCI_DEVICE_ID_VIA_8251: |
f1183014 | 408 | case PCI_DEVICE_ID_VIA_8237: |
c243353a | 409 | case PCI_DEVICE_ID_VIA_8237A: |
0d227a7e | 410 | case PCI_DEVICE_ID_VIA_8237S: |
f1183014 JD |
411 | case PCI_DEVICE_ID_VIA_8235: |
412 | case PCI_DEVICE_ID_VIA_8233A: | |
413 | case PCI_DEVICE_ID_VIA_8233_0: | |
414 | vt596_features |= FEATURE_I2CBLOCK; | |
415 | break; | |
416 | case PCI_DEVICE_ID_VIA_82C686_4: | |
417 | /* The VT82C686B (rev 0x40) does support I2C block | |
418 | transactions, but the VT82C686A (rev 0x30) doesn't */ | |
44c10138 | 419 | if (pdev->revision >= 0x40) |
f1183014 JD |
420 | vt596_features |= FEATURE_I2CBLOCK; |
421 | break; | |
422 | } | |
423 | ||
1da177e4 | 424 | vt596_adapter.dev.parent = &pdev->dev; |
2096b956 | 425 | snprintf(vt596_adapter.name, sizeof(vt596_adapter.name), |
5f49ef8e JD |
426 | "SMBus Via Pro adapter at %04x", vt596_smba); |
427 | ||
1da177e4 LT |
428 | vt596_pdev = pci_dev_get(pdev); |
429 | if (i2c_add_adapter(&vt596_adapter)) { | |
430 | pci_dev_put(vt596_pdev); | |
431 | vt596_pdev = NULL; | |
432 | } | |
433 | ||
434 | /* Always return failure here. This is to allow other drivers to bind | |
435 | * to this pci device. We don't really want to have control over the | |
436 | * pci device, we only wanted to read as few register values from it. | |
437 | */ | |
438 | return -ENODEV; | |
439 | ||
5f49ef8e | 440 | release_region: |
1da177e4 LT |
441 | release_region(vt596_smba, 8); |
442 | return error; | |
443 | } | |
444 | ||
445 | static struct pci_device_id vt596_ids[] = { | |
446 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596_3), | |
447 | .driver_data = SMBBA1 }, | |
448 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596B_3), | |
449 | .driver_data = SMBBA1 }, | |
450 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4), | |
451 | .driver_data = SMBBA1 }, | |
452 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_0), | |
453 | .driver_data = SMBBA3 }, | |
454 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233A), | |
455 | .driver_data = SMBBA3 }, | |
456 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235), | |
457 | .driver_data = SMBBA3 }, | |
458 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237), | |
459 | .driver_data = SMBBA3 }, | |
c243353a RM |
460 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237A), |
461 | .driver_data = SMBBA3 }, | |
0d227a7e JD |
462 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237S), |
463 | .driver_data = SMBBA3 }, | |
1da177e4 LT |
464 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4), |
465 | .driver_data = SMBBA1 }, | |
c243353a RM |
466 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251), |
467 | .driver_data = SMBBA3 }, | |
ab6a6ed2 JD |
468 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700), |
469 | .driver_data = SMBBA3 }, | |
b806a71a RM |
470 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800), |
471 | .driver_data = SMBBA3 }, | |
1da177e4 LT |
472 | { 0, } |
473 | }; | |
474 | ||
5f49ef8e | 475 | MODULE_DEVICE_TABLE(pci, vt596_ids); |
1da177e4 LT |
476 | |
477 | static struct pci_driver vt596_driver = { | |
478 | .name = "vt596_smbus", | |
479 | .id_table = vt596_ids, | |
480 | .probe = vt596_probe, | |
481 | }; | |
482 | ||
483 | static int __init i2c_vt596_init(void) | |
484 | { | |
485 | return pci_register_driver(&vt596_driver); | |
486 | } | |
487 | ||
488 | ||
489 | static void __exit i2c_vt596_exit(void) | |
490 | { | |
491 | pci_unregister_driver(&vt596_driver); | |
492 | if (vt596_pdev != NULL) { | |
493 | i2c_del_adapter(&vt596_adapter); | |
494 | release_region(vt596_smba, 8); | |
495 | pci_dev_put(vt596_pdev); | |
496 | vt596_pdev = NULL; | |
497 | } | |
498 | } | |
499 | ||
8750197f JD |
500 | MODULE_AUTHOR("Kyosti Malkki <kmalkki@cc.hut.fi>, " |
501 | "Mark D. Studebaker <mdsxyz123@yahoo.com> and " | |
502 | "Jean Delvare <khali@linux-fr.org>"); | |
1da177e4 LT |
503 | MODULE_DESCRIPTION("vt82c596 SMBus driver"); |
504 | MODULE_LICENSE("GPL"); | |
505 | ||
506 | module_init(i2c_vt596_init); | |
507 | module_exit(i2c_vt596_exit); |