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a3eeb453 GR |
1 | /* |
2 | * Hardware monitoring driver for Maxim MAX34440/MAX34441 | |
3 | * | |
4 | * Copyright (c) 2011 Ericsson AB. | |
50115ac9 | 5 | * Copyright (c) 2012 Guenter Roeck |
a3eeb453 GR |
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 | ||
2c052d42 | 22 | #include <linux/bitops.h> |
a3eeb453 GR |
23 | #include <linux/kernel.h> |
24 | #include <linux/module.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/err.h> | |
27 | #include <linux/i2c.h> | |
28 | #include "pmbus.h" | |
29 | ||
50115ac9 | 30 | enum chips { max34440, max34441, max34446, max34460, max34461 }; |
a3eeb453 | 31 | |
98591dbe GR |
32 | #define MAX34440_MFR_VOUT_PEAK 0xd4 |
33 | #define MAX34440_MFR_IOUT_PEAK 0xd5 | |
34 | #define MAX34440_MFR_TEMPERATURE_PEAK 0xd6 | |
56aad5d1 | 35 | #define MAX34440_MFR_VOUT_MIN 0xd7 |
98591dbe | 36 | |
590defe5 GR |
37 | #define MAX34446_MFR_POUT_PEAK 0xe0 |
38 | #define MAX34446_MFR_POUT_AVG 0xe1 | |
39 | #define MAX34446_MFR_IOUT_AVG 0xe2 | |
40 | #define MAX34446_MFR_TEMPERATURE_AVG 0xe3 | |
41 | ||
2c052d42 GR |
42 | #define MAX34440_STATUS_OC_WARN BIT(0) |
43 | #define MAX34440_STATUS_OC_FAULT BIT(1) | |
44 | #define MAX34440_STATUS_OT_FAULT BIT(5) | |
45 | #define MAX34440_STATUS_OT_WARN BIT(6) | |
a3eeb453 | 46 | |
590defe5 GR |
47 | struct max34440_data { |
48 | int id; | |
49 | struct pmbus_driver_info info; | |
50 | }; | |
51 | ||
52 | #define to_max34440_data(x) container_of(x, struct max34440_data, info) | |
53 | ||
98591dbe GR |
54 | static int max34440_read_word_data(struct i2c_client *client, int page, int reg) |
55 | { | |
56 | int ret; | |
590defe5 GR |
57 | const struct pmbus_driver_info *info = pmbus_get_driver_info(client); |
58 | const struct max34440_data *data = to_max34440_data(info); | |
98591dbe GR |
59 | |
60 | switch (reg) { | |
56aad5d1 GR |
61 | case PMBUS_VIRT_READ_VOUT_MIN: |
62 | ret = pmbus_read_word_data(client, page, | |
63 | MAX34440_MFR_VOUT_MIN); | |
64 | break; | |
98591dbe GR |
65 | case PMBUS_VIRT_READ_VOUT_MAX: |
66 | ret = pmbus_read_word_data(client, page, | |
67 | MAX34440_MFR_VOUT_PEAK); | |
68 | break; | |
590defe5 GR |
69 | case PMBUS_VIRT_READ_IOUT_AVG: |
70 | if (data->id != max34446) | |
71 | return -ENXIO; | |
72 | ret = pmbus_read_word_data(client, page, | |
73 | MAX34446_MFR_IOUT_AVG); | |
74 | break; | |
98591dbe GR |
75 | case PMBUS_VIRT_READ_IOUT_MAX: |
76 | ret = pmbus_read_word_data(client, page, | |
77 | MAX34440_MFR_IOUT_PEAK); | |
78 | break; | |
590defe5 GR |
79 | case PMBUS_VIRT_READ_POUT_AVG: |
80 | if (data->id != max34446) | |
81 | return -ENXIO; | |
82 | ret = pmbus_read_word_data(client, page, | |
83 | MAX34446_MFR_POUT_AVG); | |
84 | break; | |
85 | case PMBUS_VIRT_READ_POUT_MAX: | |
86 | if (data->id != max34446) | |
87 | return -ENXIO; | |
88 | ret = pmbus_read_word_data(client, page, | |
89 | MAX34446_MFR_POUT_PEAK); | |
90 | break; | |
91 | case PMBUS_VIRT_READ_TEMP_AVG: | |
50115ac9 GR |
92 | if (data->id != max34446 && data->id != max34460 && |
93 | data->id != max34461) | |
590defe5 GR |
94 | return -ENXIO; |
95 | ret = pmbus_read_word_data(client, page, | |
96 | MAX34446_MFR_TEMPERATURE_AVG); | |
97 | break; | |
98591dbe GR |
98 | case PMBUS_VIRT_READ_TEMP_MAX: |
99 | ret = pmbus_read_word_data(client, page, | |
100 | MAX34440_MFR_TEMPERATURE_PEAK); | |
101 | break; | |
590defe5 GR |
102 | case PMBUS_VIRT_RESET_POUT_HISTORY: |
103 | if (data->id != max34446) | |
104 | return -ENXIO; | |
105 | ret = 0; | |
106 | break; | |
98591dbe GR |
107 | case PMBUS_VIRT_RESET_VOUT_HISTORY: |
108 | case PMBUS_VIRT_RESET_IOUT_HISTORY: | |
109 | case PMBUS_VIRT_RESET_TEMP_HISTORY: | |
110 | ret = 0; | |
111 | break; | |
112 | default: | |
113 | ret = -ENODATA; | |
114 | break; | |
115 | } | |
116 | return ret; | |
117 | } | |
118 | ||
119 | static int max34440_write_word_data(struct i2c_client *client, int page, | |
120 | int reg, u16 word) | |
121 | { | |
590defe5 GR |
122 | const struct pmbus_driver_info *info = pmbus_get_driver_info(client); |
123 | const struct max34440_data *data = to_max34440_data(info); | |
98591dbe GR |
124 | int ret; |
125 | ||
126 | switch (reg) { | |
590defe5 GR |
127 | case PMBUS_VIRT_RESET_POUT_HISTORY: |
128 | ret = pmbus_write_word_data(client, page, | |
129 | MAX34446_MFR_POUT_PEAK, 0); | |
130 | if (ret) | |
131 | break; | |
132 | ret = pmbus_write_word_data(client, page, | |
133 | MAX34446_MFR_POUT_AVG, 0); | |
134 | break; | |
98591dbe | 135 | case PMBUS_VIRT_RESET_VOUT_HISTORY: |
56aad5d1 GR |
136 | ret = pmbus_write_word_data(client, page, |
137 | MAX34440_MFR_VOUT_MIN, 0x7fff); | |
138 | if (ret) | |
139 | break; | |
98591dbe GR |
140 | ret = pmbus_write_word_data(client, page, |
141 | MAX34440_MFR_VOUT_PEAK, 0); | |
142 | break; | |
143 | case PMBUS_VIRT_RESET_IOUT_HISTORY: | |
144 | ret = pmbus_write_word_data(client, page, | |
145 | MAX34440_MFR_IOUT_PEAK, 0); | |
590defe5 GR |
146 | if (!ret && data->id == max34446) |
147 | ret = pmbus_write_word_data(client, page, | |
148 | MAX34446_MFR_IOUT_AVG, 0); | |
149 | ||
98591dbe GR |
150 | break; |
151 | case PMBUS_VIRT_RESET_TEMP_HISTORY: | |
152 | ret = pmbus_write_word_data(client, page, | |
153 | MAX34440_MFR_TEMPERATURE_PEAK, | |
dc91ad8e | 154 | 0x8000); |
590defe5 GR |
155 | if (!ret && data->id == max34446) |
156 | ret = pmbus_write_word_data(client, page, | |
157 | MAX34446_MFR_TEMPERATURE_AVG, 0); | |
98591dbe GR |
158 | break; |
159 | default: | |
160 | ret = -ENODATA; | |
161 | break; | |
162 | } | |
163 | return ret; | |
164 | } | |
165 | ||
2cfa6aed | 166 | static int max34440_read_byte_data(struct i2c_client *client, int page, int reg) |
a3eeb453 | 167 | { |
da8e48ab | 168 | int ret = 0; |
a3eeb453 GR |
169 | int mfg_status; |
170 | ||
da8e48ab GR |
171 | if (page >= 0) { |
172 | ret = pmbus_set_page(client, page); | |
173 | if (ret < 0) | |
174 | return ret; | |
175 | } | |
a3eeb453 GR |
176 | |
177 | switch (reg) { | |
178 | case PMBUS_STATUS_IOUT: | |
179 | mfg_status = pmbus_read_word_data(client, 0, | |
180 | PMBUS_STATUS_MFR_SPECIFIC); | |
181 | if (mfg_status < 0) | |
182 | return mfg_status; | |
183 | if (mfg_status & MAX34440_STATUS_OC_WARN) | |
184 | ret |= PB_IOUT_OC_WARNING; | |
185 | if (mfg_status & MAX34440_STATUS_OC_FAULT) | |
186 | ret |= PB_IOUT_OC_FAULT; | |
187 | break; | |
188 | case PMBUS_STATUS_TEMPERATURE: | |
189 | mfg_status = pmbus_read_word_data(client, 0, | |
190 | PMBUS_STATUS_MFR_SPECIFIC); | |
191 | if (mfg_status < 0) | |
192 | return mfg_status; | |
193 | if (mfg_status & MAX34440_STATUS_OT_WARN) | |
194 | ret |= PB_TEMP_OT_WARNING; | |
195 | if (mfg_status & MAX34440_STATUS_OT_FAULT) | |
196 | ret |= PB_TEMP_OT_FAULT; | |
197 | break; | |
198 | default: | |
199 | ret = -ENODATA; | |
200 | break; | |
201 | } | |
202 | return ret; | |
203 | } | |
204 | ||
205 | static struct pmbus_driver_info max34440_info[] = { | |
206 | [max34440] = { | |
207 | .pages = 14, | |
1061d851 GR |
208 | .format[PSC_VOLTAGE_IN] = direct, |
209 | .format[PSC_VOLTAGE_OUT] = direct, | |
210 | .format[PSC_TEMPERATURE] = direct, | |
211 | .format[PSC_CURRENT_OUT] = direct, | |
a3eeb453 GR |
212 | .m[PSC_VOLTAGE_IN] = 1, |
213 | .b[PSC_VOLTAGE_IN] = 0, | |
214 | .R[PSC_VOLTAGE_IN] = 3, /* R = 0 in datasheet reflects mV */ | |
215 | .m[PSC_VOLTAGE_OUT] = 1, | |
216 | .b[PSC_VOLTAGE_OUT] = 0, | |
217 | .R[PSC_VOLTAGE_OUT] = 3, /* R = 0 in datasheet reflects mV */ | |
218 | .m[PSC_CURRENT_OUT] = 1, | |
219 | .b[PSC_CURRENT_OUT] = 0, | |
220 | .R[PSC_CURRENT_OUT] = 3, /* R = 0 in datasheet reflects mA */ | |
221 | .m[PSC_TEMPERATURE] = 1, | |
222 | .b[PSC_TEMPERATURE] = 0, | |
223 | .R[PSC_TEMPERATURE] = 2, | |
224 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
225 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
226 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
227 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
228 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
229 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
230 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
231 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
232 | .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
233 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
234 | .func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
235 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
236 | .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
237 | .func[7] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
238 | .func[8] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
239 | .func[9] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
240 | .func[10] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
241 | .func[11] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
242 | .func[12] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
243 | .func[13] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
2cfa6aed | 244 | .read_byte_data = max34440_read_byte_data, |
98591dbe GR |
245 | .read_word_data = max34440_read_word_data, |
246 | .write_word_data = max34440_write_word_data, | |
a3eeb453 GR |
247 | }, |
248 | [max34441] = { | |
249 | .pages = 12, | |
1061d851 GR |
250 | .format[PSC_VOLTAGE_IN] = direct, |
251 | .format[PSC_VOLTAGE_OUT] = direct, | |
252 | .format[PSC_TEMPERATURE] = direct, | |
253 | .format[PSC_CURRENT_OUT] = direct, | |
254 | .format[PSC_FAN] = direct, | |
a3eeb453 GR |
255 | .m[PSC_VOLTAGE_IN] = 1, |
256 | .b[PSC_VOLTAGE_IN] = 0, | |
257 | .R[PSC_VOLTAGE_IN] = 3, | |
258 | .m[PSC_VOLTAGE_OUT] = 1, | |
259 | .b[PSC_VOLTAGE_OUT] = 0, | |
260 | .R[PSC_VOLTAGE_OUT] = 3, | |
261 | .m[PSC_CURRENT_OUT] = 1, | |
262 | .b[PSC_CURRENT_OUT] = 0, | |
263 | .R[PSC_CURRENT_OUT] = 3, | |
264 | .m[PSC_TEMPERATURE] = 1, | |
265 | .b[PSC_TEMPERATURE] = 0, | |
266 | .R[PSC_TEMPERATURE] = 2, | |
267 | .m[PSC_FAN] = 1, | |
268 | .b[PSC_FAN] = 0, | |
269 | .R[PSC_FAN] = 0, | |
270 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
271 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
272 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
273 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
274 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
275 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
276 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
277 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
278 | .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
279 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
280 | .func[5] = PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12, | |
281 | .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
282 | .func[7] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
283 | .func[8] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
284 | .func[9] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
285 | .func[10] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
286 | .func[11] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
2cfa6aed | 287 | .read_byte_data = max34440_read_byte_data, |
98591dbe GR |
288 | .read_word_data = max34440_read_word_data, |
289 | .write_word_data = max34440_write_word_data, | |
a3eeb453 | 290 | }, |
590defe5 GR |
291 | [max34446] = { |
292 | .pages = 7, | |
293 | .format[PSC_VOLTAGE_IN] = direct, | |
294 | .format[PSC_VOLTAGE_OUT] = direct, | |
295 | .format[PSC_TEMPERATURE] = direct, | |
296 | .format[PSC_CURRENT_OUT] = direct, | |
297 | .format[PSC_POWER] = direct, | |
298 | .m[PSC_VOLTAGE_IN] = 1, | |
299 | .b[PSC_VOLTAGE_IN] = 0, | |
300 | .R[PSC_VOLTAGE_IN] = 3, | |
301 | .m[PSC_VOLTAGE_OUT] = 1, | |
302 | .b[PSC_VOLTAGE_OUT] = 0, | |
303 | .R[PSC_VOLTAGE_OUT] = 3, | |
304 | .m[PSC_CURRENT_OUT] = 1, | |
305 | .b[PSC_CURRENT_OUT] = 0, | |
306 | .R[PSC_CURRENT_OUT] = 3, | |
307 | .m[PSC_POWER] = 1, | |
308 | .b[PSC_POWER] = 0, | |
309 | .R[PSC_POWER] = 3, | |
310 | .m[PSC_TEMPERATURE] = 1, | |
311 | .b[PSC_TEMPERATURE] = 0, | |
312 | .R[PSC_TEMPERATURE] = 2, | |
313 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
314 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, | |
315 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
316 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
317 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
318 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT, | |
319 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | |
320 | | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT, | |
321 | .func[4] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
322 | .func[5] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
323 | .func[6] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
324 | .read_byte_data = max34440_read_byte_data, | |
325 | .read_word_data = max34440_read_word_data, | |
326 | .write_word_data = max34440_write_word_data, | |
327 | }, | |
50115ac9 GR |
328 | [max34460] = { |
329 | .pages = 18, | |
330 | .format[PSC_VOLTAGE_OUT] = direct, | |
331 | .format[PSC_TEMPERATURE] = direct, | |
332 | .m[PSC_VOLTAGE_OUT] = 1, | |
333 | .b[PSC_VOLTAGE_OUT] = 0, | |
334 | .R[PSC_VOLTAGE_OUT] = 3, | |
335 | .m[PSC_TEMPERATURE] = 1, | |
336 | .b[PSC_TEMPERATURE] = 0, | |
337 | .R[PSC_TEMPERATURE] = 2, | |
338 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
339 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
340 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
341 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
342 | .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
343 | .func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
344 | .func[6] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
345 | .func[7] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
346 | .func[8] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
347 | .func[9] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
348 | .func[10] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
349 | .func[11] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
350 | .func[13] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
351 | .func[14] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
352 | .func[15] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
353 | .func[16] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
354 | .func[17] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
355 | .read_byte_data = max34440_read_byte_data, | |
356 | .read_word_data = max34440_read_word_data, | |
357 | .write_word_data = max34440_write_word_data, | |
358 | }, | |
359 | [max34461] = { | |
360 | .pages = 23, | |
361 | .format[PSC_VOLTAGE_OUT] = direct, | |
362 | .format[PSC_TEMPERATURE] = direct, | |
363 | .m[PSC_VOLTAGE_OUT] = 1, | |
364 | .b[PSC_VOLTAGE_OUT] = 0, | |
365 | .R[PSC_VOLTAGE_OUT] = 3, | |
366 | .m[PSC_TEMPERATURE] = 1, | |
367 | .b[PSC_TEMPERATURE] = 0, | |
368 | .R[PSC_TEMPERATURE] = 2, | |
369 | .func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
370 | .func[1] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
371 | .func[2] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
372 | .func[3] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
373 | .func[4] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
374 | .func[5] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
375 | .func[6] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
376 | .func[7] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
377 | .func[8] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
378 | .func[9] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
379 | .func[10] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
380 | .func[11] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
381 | .func[12] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
382 | .func[13] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
383 | .func[14] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
384 | .func[15] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT, | |
385 | /* page 16 is reserved */ | |
386 | .func[17] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
387 | .func[18] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
388 | .func[19] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
389 | .func[20] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
390 | .func[21] = PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, | |
391 | .read_byte_data = max34440_read_byte_data, | |
392 | .read_word_data = max34440_read_word_data, | |
393 | .write_word_data = max34440_write_word_data, | |
394 | }, | |
a3eeb453 GR |
395 | }; |
396 | ||
397 | static int max34440_probe(struct i2c_client *client, | |
398 | const struct i2c_device_id *id) | |
399 | { | |
590defe5 GR |
400 | struct max34440_data *data; |
401 | ||
402 | data = devm_kzalloc(&client->dev, sizeof(struct max34440_data), | |
403 | GFP_KERNEL); | |
404 | if (!data) | |
405 | return -ENOMEM; | |
406 | data->id = id->driver_data; | |
407 | data->info = max34440_info[id->driver_data]; | |
408 | ||
409 | return pmbus_do_probe(client, id, &data->info); | |
a3eeb453 GR |
410 | } |
411 | ||
a3eeb453 GR |
412 | static const struct i2c_device_id max34440_id[] = { |
413 | {"max34440", max34440}, | |
414 | {"max34441", max34441}, | |
590defe5 | 415 | {"max34446", max34446}, |
50115ac9 GR |
416 | {"max34460", max34460}, |
417 | {"max34461", max34461}, | |
a3eeb453 GR |
418 | {} |
419 | }; | |
a3eeb453 GR |
420 | MODULE_DEVICE_TABLE(i2c, max34440_id); |
421 | ||
422 | /* This is the driver that will be inserted */ | |
423 | static struct i2c_driver max34440_driver = { | |
424 | .driver = { | |
425 | .name = "max34440", | |
426 | }, | |
427 | .probe = max34440_probe, | |
dd285ad7 | 428 | .remove = pmbus_do_remove, |
a3eeb453 GR |
429 | .id_table = max34440_id, |
430 | }; | |
431 | ||
f0967eea | 432 | module_i2c_driver(max34440_driver); |
a3eeb453 GR |
433 | |
434 | MODULE_AUTHOR("Guenter Roeck"); | |
435 | MODULE_DESCRIPTION("PMBus driver for Maxim MAX34440/MAX34441"); | |
436 | MODULE_LICENSE("GPL"); |