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Commit | Line | Data |
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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> |
7c81c60f | 5 | Copyright (C) 2005 - 2008 Jean Delvare <jdelvare@suse.de> |
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. | |
1da177e4 LT |
16 | */ |
17 | ||
18 | /* | |
aaf7f147 JD |
19 | Supports the following VIA south bridges: |
20 | ||
21 | Chip name PCI ID REV I2C block | |
22 | VT82C596A 0x3050 no | |
23 | VT82C596B 0x3051 no | |
24 | VT82C686A 0x3057 0x30 no | |
25 | VT82C686B 0x3057 0x40 yes | |
26 | VT8231 0x8235 no? | |
27 | VT8233 0x3074 yes | |
28 | VT8233A 0x3147 yes? | |
29 | VT8235 0x3177 yes | |
30 | VT8237R 0x3227 yes | |
c243353a | 31 | VT8237A 0x3337 yes |
0d227a7e | 32 | VT8237S 0x3372 yes |
c243353a | 33 | VT8251 0x3287 yes |
ab6a6ed2 | 34 | CX700 0x8324 yes |
b806a71a | 35 | VX800/VX820 0x8353 yes |
a231591f | 36 | VX855/VX875 0x8409 yes |
aaf7f147 | 37 | |
1da177e4 LT |
38 | Note: we assume there can only be one device, with one SMBus interface. |
39 | */ | |
40 | ||
1da177e4 LT |
41 | #include <linux/module.h> |
42 | #include <linux/delay.h> | |
43 | #include <linux/pci.h> | |
44 | #include <linux/kernel.h> | |
45 | #include <linux/stddef.h> | |
1da177e4 LT |
46 | #include <linux/ioport.h> |
47 | #include <linux/i2c.h> | |
48 | #include <linux/init.h> | |
54fb4a05 | 49 | #include <linux/acpi.h> |
21782180 | 50 | #include <linux/io.h> |
1da177e4 LT |
51 | |
52 | static struct pci_dev *vt596_pdev; | |
53 | ||
5f49ef8e JD |
54 | #define SMBBA1 0x90 |
55 | #define SMBBA2 0x80 | |
56 | #define SMBBA3 0xD0 | |
1da177e4 LT |
57 | |
58 | /* SMBus address offsets */ | |
59 | static unsigned short vt596_smba; | |
60 | #define SMBHSTSTS (vt596_smba + 0) | |
1da177e4 LT |
61 | #define SMBHSTCNT (vt596_smba + 2) |
62 | #define SMBHSTCMD (vt596_smba + 3) | |
63 | #define SMBHSTADD (vt596_smba + 4) | |
64 | #define SMBHSTDAT0 (vt596_smba + 5) | |
65 | #define SMBHSTDAT1 (vt596_smba + 6) | |
66 | #define SMBBLKDAT (vt596_smba + 7) | |
1da177e4 LT |
67 | |
68 | /* PCI Address Constants */ | |
69 | ||
70 | /* SMBus data in configuration space can be found in two places, | |
5f49ef8e | 71 | We try to select the better one */ |
1da177e4 | 72 | |
c2f559d5 | 73 | static unsigned short SMBHSTCFG = 0xD2; |
1da177e4 LT |
74 | |
75 | /* Other settings */ | |
76 | #define MAX_TIMEOUT 500 | |
1da177e4 LT |
77 | |
78 | /* VT82C596 constants */ | |
5f49ef8e JD |
79 | #define VT596_QUICK 0x00 |
80 | #define VT596_BYTE 0x04 | |
81 | #define VT596_BYTE_DATA 0x08 | |
82 | #define VT596_WORD_DATA 0x0C | |
a05f2c5a | 83 | #define VT596_PROC_CALL 0x10 |
5f49ef8e | 84 | #define VT596_BLOCK_DATA 0x14 |
f1183014 | 85 | #define VT596_I2C_BLOCK_DATA 0x34 |
1da177e4 LT |
86 | |
87 | ||
88 | /* If force is set to anything different from 0, we forcibly enable the | |
89 | VT596. DANGEROUS! */ | |
90ab5ee9 | 90 | static bool force; |
1da177e4 LT |
91 | module_param(force, bool, 0); |
92 | MODULE_PARM_DESC(force, "Forcibly enable the SMBus. DANGEROUS!"); | |
93 | ||
94 | /* If force_addr is set to anything different from 0, we forcibly enable | |
95 | the VT596 at the given address. VERY DANGEROUS! */ | |
96 | static u16 force_addr; | |
97 | module_param(force_addr, ushort, 0); | |
98 | MODULE_PARM_DESC(force_addr, | |
99 | "Forcibly enable the SMBus at the given address. " | |
100 | "EXTREMELY DANGEROUS!"); | |
101 | ||
102 | ||
c2f559d5 | 103 | static struct pci_driver vt596_driver; |
1da177e4 LT |
104 | static struct i2c_adapter vt596_adapter; |
105 | ||
f1183014 JD |
106 | #define FEATURE_I2CBLOCK (1<<0) |
107 | static unsigned int vt596_features; | |
108 | ||
ed5453e5 JD |
109 | #ifdef DEBUG |
110 | static void vt596_dump_regs(const char *msg, u8 size) | |
111 | { | |
112 | dev_dbg(&vt596_adapter.dev, "%s: STS=%02x CNT=%02x CMD=%02x ADD=%02x " | |
113 | "DAT=%02x,%02x\n", msg, inb_p(SMBHSTSTS), inb_p(SMBHSTCNT), | |
114 | inb_p(SMBHSTCMD), inb_p(SMBHSTADD), inb_p(SMBHSTDAT0), | |
115 | inb_p(SMBHSTDAT1)); | |
116 | ||
117 | if (size == VT596_BLOCK_DATA | |
118 | || size == VT596_I2C_BLOCK_DATA) { | |
119 | int i; | |
120 | ||
121 | dev_dbg(&vt596_adapter.dev, "BLK="); | |
122 | for (i = 0; i < I2C_SMBUS_BLOCK_MAX / 2; i++) | |
123 | printk("%02x,", inb_p(SMBBLKDAT)); | |
124 | printk("\n"); | |
125 | dev_dbg(&vt596_adapter.dev, " "); | |
126 | for (; i < I2C_SMBUS_BLOCK_MAX - 1; i++) | |
127 | printk("%02x,", inb_p(SMBBLKDAT)); | |
128 | printk("%02x\n", inb_p(SMBBLKDAT)); | |
129 | } | |
130 | } | |
ca68f119 GKH |
131 | #else |
132 | static inline void vt596_dump_regs(const char *msg, u8 size) { } | |
ed5453e5 JD |
133 | #endif |
134 | ||
c2f559d5 | 135 | /* Return -1 on error, 0 on success */ |
50c1cc33 | 136 | static int vt596_transaction(u8 size) |
1da177e4 LT |
137 | { |
138 | int temp; | |
139 | int result = 0; | |
140 | int timeout = 0; | |
141 | ||
ed5453e5 | 142 | vt596_dump_regs("Transaction (pre)", size); |
1da177e4 LT |
143 | |
144 | /* Make sure the SMBus host is ready to start transmitting */ | |
145 | if ((temp = inb_p(SMBHSTSTS)) & 0x1F) { | |
146 | dev_dbg(&vt596_adapter.dev, "SMBus busy (0x%02x). " | |
8750197f | 147 | "Resetting...\n", temp); |
5f49ef8e | 148 | |
1da177e4 LT |
149 | outb_p(temp, SMBHSTSTS); |
150 | if ((temp = inb_p(SMBHSTSTS)) & 0x1F) { | |
8750197f JD |
151 | dev_err(&vt596_adapter.dev, "SMBus reset failed! " |
152 | "(0x%02x)\n", temp); | |
97140342 | 153 | return -EBUSY; |
1da177e4 LT |
154 | } |
155 | } | |
156 | ||
c2f559d5 | 157 | /* Start the transaction by setting bit 6 */ |
8750197f | 158 | outb_p(0x40 | size, SMBHSTCNT); |
1da177e4 | 159 | |
c2f559d5 | 160 | /* We will always wait for a fraction of a second */ |
1da177e4 LT |
161 | do { |
162 | msleep(1); | |
163 | temp = inb_p(SMBHSTSTS); | |
b6a31950 | 164 | } while ((temp & 0x01) && (++timeout < MAX_TIMEOUT)); |
1da177e4 LT |
165 | |
166 | /* If the SMBus is still busy, we give up */ | |
b6a31950 | 167 | if (timeout == MAX_TIMEOUT) { |
97140342 | 168 | result = -ETIMEDOUT; |
c2f559d5 | 169 | dev_err(&vt596_adapter.dev, "SMBus timeout!\n"); |
1da177e4 LT |
170 | } |
171 | ||
172 | if (temp & 0x10) { | |
97140342 | 173 | result = -EIO; |
c2f559d5 | 174 | dev_err(&vt596_adapter.dev, "Transaction failed (0x%02x)\n", |
8750197f | 175 | size); |
1da177e4 LT |
176 | } |
177 | ||
178 | if (temp & 0x08) { | |
97140342 | 179 | result = -EIO; |
c2f559d5 | 180 | dev_err(&vt596_adapter.dev, "SMBus collision!\n"); |
1da177e4 LT |
181 | } |
182 | ||
183 | if (temp & 0x04) { | |
97140342 | 184 | result = -ENXIO; |
bf5d95c8 | 185 | dev_dbg(&vt596_adapter.dev, "No response\n"); |
1da177e4 LT |
186 | } |
187 | ||
c2f559d5 JD |
188 | /* Resetting status register */ |
189 | if (temp & 0x1F) | |
1da177e4 | 190 | outb_p(temp, SMBHSTSTS); |
1da177e4 | 191 | |
ed5453e5 | 192 | vt596_dump_regs("Transaction (post)", size); |
5f49ef8e | 193 | |
1da177e4 LT |
194 | return result; |
195 | } | |
196 | ||
97140342 | 197 | /* Return negative errno on error, 0 on success */ |
1da177e4 | 198 | static s32 vt596_access(struct i2c_adapter *adap, u16 addr, |
5f49ef8e JD |
199 | unsigned short flags, char read_write, u8 command, |
200 | int size, union i2c_smbus_data *data) | |
1da177e4 | 201 | { |
c2f559d5 | 202 | int i; |
97140342 | 203 | int status; |
1da177e4 LT |
204 | |
205 | switch (size) { | |
1da177e4 | 206 | case I2C_SMBUS_QUICK: |
1da177e4 LT |
207 | size = VT596_QUICK; |
208 | break; | |
209 | case I2C_SMBUS_BYTE: | |
1da177e4 LT |
210 | if (read_write == I2C_SMBUS_WRITE) |
211 | outb_p(command, SMBHSTCMD); | |
212 | size = VT596_BYTE; | |
213 | break; | |
214 | case I2C_SMBUS_BYTE_DATA: | |
1da177e4 LT |
215 | outb_p(command, SMBHSTCMD); |
216 | if (read_write == I2C_SMBUS_WRITE) | |
217 | outb_p(data->byte, SMBHSTDAT0); | |
218 | size = VT596_BYTE_DATA; | |
219 | break; | |
220 | case I2C_SMBUS_WORD_DATA: | |
1da177e4 LT |
221 | outb_p(command, SMBHSTCMD); |
222 | if (read_write == I2C_SMBUS_WRITE) { | |
223 | outb_p(data->word & 0xff, SMBHSTDAT0); | |
224 | outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1); | |
225 | } | |
226 | size = VT596_WORD_DATA; | |
227 | break; | |
a05f2c5a PM |
228 | case I2C_SMBUS_PROC_CALL: |
229 | outb_p(command, SMBHSTCMD); | |
230 | outb_p(data->word & 0xff, SMBHSTDAT0); | |
231 | outb_p((data->word & 0xff00) >> 8, SMBHSTDAT1); | |
232 | size = VT596_PROC_CALL; | |
233 | break; | |
f1183014 JD |
234 | case I2C_SMBUS_I2C_BLOCK_DATA: |
235 | if (!(vt596_features & FEATURE_I2CBLOCK)) | |
c2f559d5 | 236 | goto exit_unsupported; |
f1183014 | 237 | if (read_write == I2C_SMBUS_READ) |
4b2643d7 | 238 | outb_p(data->block[0], SMBHSTDAT0); |
f1183014 | 239 | /* Fall through */ |
1da177e4 | 240 | case I2C_SMBUS_BLOCK_DATA: |
1da177e4 LT |
241 | outb_p(command, SMBHSTCMD); |
242 | if (read_write == I2C_SMBUS_WRITE) { | |
c2f559d5 | 243 | u8 len = data->block[0]; |
1da177e4 LT |
244 | if (len > I2C_SMBUS_BLOCK_MAX) |
245 | len = I2C_SMBUS_BLOCK_MAX; | |
246 | outb_p(len, SMBHSTDAT0); | |
c2f559d5 | 247 | inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */ |
1da177e4 LT |
248 | for (i = 1; i <= len; i++) |
249 | outb_p(data->block[i], SMBBLKDAT); | |
250 | } | |
f1183014 JD |
251 | size = (size == I2C_SMBUS_I2C_BLOCK_DATA) ? |
252 | VT596_I2C_BLOCK_DATA : VT596_BLOCK_DATA; | |
1da177e4 | 253 | break; |
c2f559d5 JD |
254 | default: |
255 | goto exit_unsupported; | |
1da177e4 LT |
256 | } |
257 | ||
c2f559d5 | 258 | outb_p(((addr & 0x7f) << 1) | read_write, SMBHSTADD); |
1da177e4 | 259 | |
97140342 DB |
260 | status = vt596_transaction(size); |
261 | if (status) | |
262 | return status; | |
1da177e4 | 263 | |
a05f2c5a PM |
264 | if (size == VT596_PROC_CALL) |
265 | read_write = I2C_SMBUS_READ; | |
266 | ||
1da177e4 LT |
267 | if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK)) |
268 | return 0; | |
269 | ||
270 | switch (size) { | |
271 | case VT596_BYTE: | |
1da177e4 LT |
272 | case VT596_BYTE_DATA: |
273 | data->byte = inb_p(SMBHSTDAT0); | |
274 | break; | |
275 | case VT596_WORD_DATA: | |
a05f2c5a | 276 | case VT596_PROC_CALL: |
1da177e4 LT |
277 | data->word = inb_p(SMBHSTDAT0) + (inb_p(SMBHSTDAT1) << 8); |
278 | break; | |
f1183014 | 279 | case VT596_I2C_BLOCK_DATA: |
1da177e4 LT |
280 | case VT596_BLOCK_DATA: |
281 | data->block[0] = inb_p(SMBHSTDAT0); | |
282 | if (data->block[0] > I2C_SMBUS_BLOCK_MAX) | |
283 | data->block[0] = I2C_SMBUS_BLOCK_MAX; | |
c2f559d5 | 284 | inb_p(SMBHSTCNT); /* Reset SMBBLKDAT */ |
1da177e4 LT |
285 | for (i = 1; i <= data->block[0]; i++) |
286 | data->block[i] = inb_p(SMBBLKDAT); | |
287 | break; | |
288 | } | |
289 | return 0; | |
c2f559d5 JD |
290 | |
291 | exit_unsupported: | |
ac7fc4fb | 292 | dev_warn(&vt596_adapter.dev, "Unsupported transaction %d\n", |
c2f559d5 | 293 | size); |
97140342 | 294 | return -EOPNOTSUPP; |
1da177e4 LT |
295 | } |
296 | ||
297 | static u32 vt596_func(struct i2c_adapter *adapter) | |
298 | { | |
f1183014 | 299 | u32 func = I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | |
1da177e4 | 300 | I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | |
a05f2c5a | 301 | I2C_SMBUS_PROC_CALL | I2C_FUNC_SMBUS_BLOCK_DATA; |
f1183014 JD |
302 | |
303 | if (vt596_features & FEATURE_I2CBLOCK) | |
304 | func |= I2C_FUNC_SMBUS_I2C_BLOCK; | |
305 | return func; | |
1da177e4 LT |
306 | } |
307 | ||
8f9082c5 | 308 | static const struct i2c_algorithm smbus_algorithm = { |
1da177e4 LT |
309 | .smbus_xfer = vt596_access, |
310 | .functionality = vt596_func, | |
311 | }; | |
312 | ||
313 | static struct i2c_adapter vt596_adapter = { | |
314 | .owner = THIS_MODULE, | |
3401b2ff | 315 | .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, |
1da177e4 | 316 | .algo = &smbus_algorithm, |
1da177e4 LT |
317 | }; |
318 | ||
0b255e92 BP |
319 | static int vt596_probe(struct pci_dev *pdev, |
320 | const struct pci_device_id *id) | |
1da177e4 LT |
321 | { |
322 | unsigned char temp; | |
7c1f59c9 | 323 | int error; |
5f49ef8e | 324 | |
1da177e4 LT |
325 | /* Determine the address of the SMBus areas */ |
326 | if (force_addr) { | |
327 | vt596_smba = force_addr & 0xfff0; | |
328 | force = 0; | |
329 | goto found; | |
330 | } | |
331 | ||
332 | if ((pci_read_config_word(pdev, id->driver_data, &vt596_smba)) || | |
c2f559d5 | 333 | !(vt596_smba & 0x0001)) { |
1da177e4 LT |
334 | /* try 2nd address and config reg. for 596 */ |
335 | if (id->device == PCI_DEVICE_ID_VIA_82C596_3 && | |
336 | !pci_read_config_word(pdev, SMBBA2, &vt596_smba) && | |
c2f559d5 JD |
337 | (vt596_smba & 0x0001)) { |
338 | SMBHSTCFG = 0x84; | |
1da177e4 LT |
339 | } else { |
340 | /* no matches at all */ | |
341 | dev_err(&pdev->dev, "Cannot configure " | |
342 | "SMBus I/O Base address\n"); | |
343 | return -ENODEV; | |
344 | } | |
345 | } | |
346 | ||
347 | vt596_smba &= 0xfff0; | |
348 | if (vt596_smba == 0) { | |
349 | dev_err(&pdev->dev, "SMBus base address " | |
350 | "uninitialized - upgrade BIOS or use " | |
351 | "force_addr=0xaddr\n"); | |
352 | return -ENODEV; | |
353 | } | |
354 | ||
5f49ef8e | 355 | found: |
54fb4a05 JD |
356 | error = acpi_check_region(vt596_smba, 8, vt596_driver.name); |
357 | if (error) | |
18669eab | 358 | return -ENODEV; |
54fb4a05 | 359 | |
c2f559d5 | 360 | if (!request_region(vt596_smba, 8, vt596_driver.name)) { |
1da177e4 | 361 | dev_err(&pdev->dev, "SMBus region 0x%x already in use!\n", |
5f49ef8e | 362 | vt596_smba); |
1da177e4 LT |
363 | return -ENODEV; |
364 | } | |
365 | ||
366 | pci_read_config_byte(pdev, SMBHSTCFG, &temp); | |
367 | /* If force_addr is set, we program the new address here. Just to make | |
368 | sure, we disable the VT596 first. */ | |
369 | if (force_addr) { | |
370 | pci_write_config_byte(pdev, SMBHSTCFG, temp & 0xfe); | |
371 | pci_write_config_word(pdev, id->driver_data, vt596_smba); | |
372 | pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01); | |
373 | dev_warn(&pdev->dev, "WARNING: SMBus interface set to new " | |
5f49ef8e | 374 | "address 0x%04x!\n", vt596_smba); |
c2f559d5 | 375 | } else if (!(temp & 0x01)) { |
1da177e4 | 376 | if (force) { |
5f49ef8e JD |
377 | /* NOTE: This assumes I/O space and other allocations |
378 | * WERE done by the Bios! Don't complain if your | |
379 | * hardware does weird things after enabling this. | |
380 | * :') Check for Bios updates before resorting to | |
1da177e4 LT |
381 | * this. |
382 | */ | |
c2f559d5 | 383 | pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01); |
1da177e4 LT |
384 | dev_info(&pdev->dev, "Enabling SMBus device\n"); |
385 | } else { | |
386 | dev_err(&pdev->dev, "SMBUS: Error: Host SMBus " | |
387 | "controller not enabled! - upgrade BIOS or " | |
388 | "use force=1\n"); | |
7c1f59c9 | 389 | error = -ENODEV; |
1da177e4 LT |
390 | goto release_region; |
391 | } | |
392 | } | |
393 | ||
1da177e4 LT |
394 | dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba); |
395 | ||
f1183014 | 396 | switch (pdev->device) { |
ab6a6ed2 | 397 | case PCI_DEVICE_ID_VIA_CX700: |
b806a71a | 398 | case PCI_DEVICE_ID_VIA_VX800: |
a231591f | 399 | case PCI_DEVICE_ID_VIA_VX855: |
01d56a6a | 400 | case PCI_DEVICE_ID_VIA_VX900: |
c243353a | 401 | case PCI_DEVICE_ID_VIA_8251: |
f1183014 | 402 | case PCI_DEVICE_ID_VIA_8237: |
c243353a | 403 | case PCI_DEVICE_ID_VIA_8237A: |
0d227a7e | 404 | case PCI_DEVICE_ID_VIA_8237S: |
f1183014 JD |
405 | case PCI_DEVICE_ID_VIA_8235: |
406 | case PCI_DEVICE_ID_VIA_8233A: | |
407 | case PCI_DEVICE_ID_VIA_8233_0: | |
408 | vt596_features |= FEATURE_I2CBLOCK; | |
409 | break; | |
410 | case PCI_DEVICE_ID_VIA_82C686_4: | |
411 | /* The VT82C686B (rev 0x40) does support I2C block | |
412 | transactions, but the VT82C686A (rev 0x30) doesn't */ | |
44c10138 | 413 | if (pdev->revision >= 0x40) |
f1183014 JD |
414 | vt596_features |= FEATURE_I2CBLOCK; |
415 | break; | |
416 | } | |
417 | ||
1da177e4 | 418 | vt596_adapter.dev.parent = &pdev->dev; |
2096b956 | 419 | snprintf(vt596_adapter.name, sizeof(vt596_adapter.name), |
5f49ef8e JD |
420 | "SMBus Via Pro adapter at %04x", vt596_smba); |
421 | ||
1da177e4 | 422 | vt596_pdev = pci_dev_get(pdev); |
7c1f59c9 JD |
423 | error = i2c_add_adapter(&vt596_adapter); |
424 | if (error) { | |
1da177e4 LT |
425 | pci_dev_put(vt596_pdev); |
426 | vt596_pdev = NULL; | |
7c1f59c9 | 427 | goto release_region; |
1da177e4 LT |
428 | } |
429 | ||
430 | /* Always return failure here. This is to allow other drivers to bind | |
431 | * to this pci device. We don't really want to have control over the | |
432 | * pci device, we only wanted to read as few register values from it. | |
433 | */ | |
434 | return -ENODEV; | |
435 | ||
5f49ef8e | 436 | release_region: |
1da177e4 LT |
437 | release_region(vt596_smba, 8); |
438 | return error; | |
439 | } | |
440 | ||
392debf1 | 441 | static const struct pci_device_id vt596_ids[] = { |
1da177e4 LT |
442 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596_3), |
443 | .driver_data = SMBBA1 }, | |
444 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596B_3), | |
445 | .driver_data = SMBBA1 }, | |
446 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4), | |
447 | .driver_data = SMBBA1 }, | |
448 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_0), | |
449 | .driver_data = SMBBA3 }, | |
450 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233A), | |
451 | .driver_data = SMBBA3 }, | |
452 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235), | |
453 | .driver_data = SMBBA3 }, | |
454 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237), | |
455 | .driver_data = SMBBA3 }, | |
c243353a RM |
456 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237A), |
457 | .driver_data = SMBBA3 }, | |
0d227a7e JD |
458 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237S), |
459 | .driver_data = SMBBA3 }, | |
1da177e4 LT |
460 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4), |
461 | .driver_data = SMBBA1 }, | |
c243353a RM |
462 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8251), |
463 | .driver_data = SMBBA3 }, | |
ab6a6ed2 JD |
464 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700), |
465 | .driver_data = SMBBA3 }, | |
b806a71a RM |
466 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800), |
467 | .driver_data = SMBBA3 }, | |
a231591f HW |
468 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855), |
469 | .driver_data = SMBBA3 }, | |
01d56a6a JD |
470 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900), |
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 " | |
7c81c60f | 502 | "Jean Delvare <jdelvare@suse.de>"); |
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); |