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Blackfin char driver for Blackfin on-chip OTP memory (v3)
[linux-2.6/zen-sources.git] / drivers / hwmon / abituguru3.c
blobed33fddc4dee5689e8fae75e7b339692e9fcf6a1
1 /*
2 abituguru3.c Copyright (c) 2006 Hans de Goede <j.w.r.degoede@hhs.nl>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18 /*
19 This driver supports the sensor part of revision 3 of the custom Abit uGuru
20 chip found on newer Abit uGuru motherboards. Note: because of lack of specs
21 only reading the sensors and their settings is supported.
22 */
23 #include <linux/module.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/jiffies.h>
27 #include <linux/mutex.h>
28 #include <linux/err.h>
29 #include <linux/delay.h>
30 #include <linux/platform_device.h>
31 #include <linux/hwmon.h>
32 #include <linux/hwmon-sysfs.h>
33 #include <asm/io.h>
34
35 /* uGuru3 bank addresses */
36 #define ABIT_UGURU3_SETTINGS_BANK 0x01
37 #define ABIT_UGURU3_SENSORS_BANK 0x08
38 #define ABIT_UGURU3_MISC_BANK 0x09
39 #define ABIT_UGURU3_ALARMS_START 0x1E
40 #define ABIT_UGURU3_SETTINGS_START 0x24
41 #define ABIT_UGURU3_VALUES_START 0x80
42 #define ABIT_UGURU3_BOARD_ID 0x0A
43 /* uGuru3 sensor bank flags */ /* Alarm if: */
44 #define ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE 0x01 /* temp over warn */
45 #define ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE 0x02 /* volt over max */
46 #define ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE 0x04 /* volt under min */
47 #define ABIT_UGURU3_TEMP_HIGH_ALARM_FLAG 0x10 /* temp is over warn */
48 #define ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG 0x20 /* volt is over max */
49 #define ABIT_UGURU3_VOLT_LOW_ALARM_FLAG 0x40 /* volt is under min */
50 #define ABIT_UGURU3_FAN_LOW_ALARM_ENABLE 0x01 /* fan under min */
51 #define ABIT_UGURU3_BEEP_ENABLE 0x08 /* beep if alarm */
52 #define ABIT_UGURU3_SHUTDOWN_ENABLE 0x80 /* shutdown if alarm */
53 /* sensor types */
54 #define ABIT_UGURU3_IN_SENSOR 0
55 #define ABIT_UGURU3_TEMP_SENSOR 1
56 #define ABIT_UGURU3_FAN_SENSOR 2
57
58 /* Timeouts / Retries, if these turn out to need a lot of fiddling we could
59 convert them to params. Determined by trial and error. I assume this is
60 cpu-speed independent, since the ISA-bus and not the CPU should be the
61 bottleneck. */
62 #define ABIT_UGURU3_WAIT_TIMEOUT 250
63 /* Normally the 0xAC at the end of synchronize() is reported after the
64 first read, but sometimes not and we need to poll */
65 #define ABIT_UGURU3_SYNCHRONIZE_TIMEOUT 5
66 /* utility macros */
67 #define ABIT_UGURU3_NAME "abituguru3"
68 #define ABIT_UGURU3_DEBUG(format, arg...) \
69 if (verbose) \
70 printk(KERN_DEBUG ABIT_UGURU3_NAME ": " format , ## arg)
71
72 /* Macros to help calculate the sysfs_names array length */
73 #define ABIT_UGURU3_MAX_NO_SENSORS 26
74 /* sum of strlen +1 of: in??_input\0, in??_{min,max}\0, in??_{min,max}_alarm\0,
75 in??_{min,max}_alarm_enable\0, in??_beep\0, in??_shutdown\0, in??_label\0 */
76 #define ABIT_UGURU3_IN_NAMES_LENGTH (11 + 2 * 9 + 2 * 15 + 2 * 22 + 10 + 14 + 11)
77 /* sum of strlen +1 of: temp??_input\0, temp??_max\0, temp??_crit\0,
78 temp??_alarm\0, temp??_alarm_enable\0, temp??_beep\0, temp??_shutdown\0,
79 temp??_label\0 */
80 #define ABIT_UGURU3_TEMP_NAMES_LENGTH (13 + 11 + 12 + 13 + 20 + 12 + 16 + 13)
81 /* sum of strlen +1 of: fan??_input\0, fan??_min\0, fan??_alarm\0,
82 fan??_alarm_enable\0, fan??_beep\0, fan??_shutdown\0, fan??_label\0 */
83 #define ABIT_UGURU3_FAN_NAMES_LENGTH (12 + 10 + 12 + 19 + 11 + 15 + 12)
84 /* Worst case scenario 16 in sensors (longest names_length) and the rest
85 temp sensors (second longest names_length). */
86 #define ABIT_UGURU3_SYSFS_NAMES_LENGTH (16 * ABIT_UGURU3_IN_NAMES_LENGTH + \
87 (ABIT_UGURU3_MAX_NO_SENSORS - 16) * ABIT_UGURU3_TEMP_NAMES_LENGTH)
88
89 /* All the macros below are named identical to the openguru2 program
90 reverse engineered by Louis Kruger, hence the names might not be 100%
91 logical. I could come up with better names, but I prefer keeping the names
92 identical so that this driver can be compared with his work more easily. */
93 /* Two i/o-ports are used by uGuru */
94 #define ABIT_UGURU3_BASE 0x00E0
95 #define ABIT_UGURU3_CMD 0x00
96 #define ABIT_UGURU3_DATA 0x04
97 #define ABIT_UGURU3_REGION_LENGTH 5
98 /* The wait_xxx functions return this on success and the last contents
99 of the DATA register (0-255) on failure. */
100 #define ABIT_UGURU3_SUCCESS -1
101 /* uGuru status flags */
102 #define ABIT_UGURU3_STATUS_READY_FOR_READ 0x01
103 #define ABIT_UGURU3_STATUS_BUSY 0x02
104
105
106 /* Structures */
107 struct abituguru3_sensor_info {
108 const char* name;
109 int port;
110 int type;
111 int multiplier;
112 int divisor;
113 int offset;
114 };
115
116 struct abituguru3_motherboard_info {
117 u16 id;
118 const char *name;
119 /* + 1 -> end of sensors indicated by a sensor with name == NULL */
120 struct abituguru3_sensor_info sensors[ABIT_UGURU3_MAX_NO_SENSORS + 1];
121 };
122
123 /* For the Abit uGuru, we need to keep some data in memory.
124 The structure is dynamically allocated, at the same time when a new
125 abituguru3 device is allocated. */
126 struct abituguru3_data {
127 struct device *hwmon_dev; /* hwmon registered device */
128 struct mutex update_lock; /* protect access to data and uGuru */
129 unsigned short addr; /* uguru base address */
130 char valid; /* !=0 if following fields are valid */
131 unsigned long last_updated; /* In jiffies */
132
133 /* For convenience the sysfs attr and their names are generated
134 automatically. We have max 10 entries per sensor (for in sensors) */
135 struct sensor_device_attribute_2 sysfs_attr[ABIT_UGURU3_MAX_NO_SENSORS
136 * 10];
137
138 /* Buffer to store the dynamically generated sysfs names */
139 char sysfs_names[ABIT_UGURU3_SYSFS_NAMES_LENGTH];
140
141 /* Pointer to the sensors info for the detected motherboard */
142 const struct abituguru3_sensor_info *sensors;
143
144 /* The abituguru3 supports upto 48 sensors, and thus has registers
145 sets for 48 sensors, for convienence reasons / simplicity of the
146 code we always read and store all registers for all 48 sensors */
147
148 /* Alarms for all 48 sensors (1 bit per sensor) */
149 u8 alarms[48/8];
150
151 /* Value of all 48 sensors */
152 u8 value[48];
153
154 /* Settings of all 48 sensors, note in and temp sensors (the first 32
155 sensors) have 3 bytes of settings, while fans only have 2 bytes,
156 for convenience we use 3 bytes for all sensors */
157 u8 settings[48][3];
158 };
159
160
161 /* Constants */
162 static const struct abituguru3_motherboard_info abituguru3_motherboards[] = {
163 { 0x000C, "unknown", {
164 { "CPU Core", 0, 0, 10, 1, 0 },
165 { "DDR", 1, 0, 10, 1, 0 },
166 { "DDR VTT", 2, 0, 10, 1, 0 },
167 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
168 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
169 { "MCH 2.5V", 5, 0, 20, 1, 0 },
170 { "ICH 1.05V", 6, 0, 10, 1, 0 },
171 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
172 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
173 { "ATX +5V", 9, 0, 30, 1, 0 },
174 { "+3.3V", 10, 0, 20, 1, 0 },
175 { "5VSB", 11, 0, 30, 1, 0 },
176 { "CPU", 24, 1, 1, 1, 0 },
177 { "System ", 25, 1, 1, 1, 0 },
178 { "PWM", 26, 1, 1, 1, 0 },
179 { "CPU Fan", 32, 2, 60, 1, 0 },
180 { "NB Fan", 33, 2, 60, 1, 0 },
181 { "SYS FAN", 34, 2, 60, 1, 0 },
182 { "AUX1 Fan", 35, 2, 60, 1, 0 },
183 { NULL, 0, 0, 0, 0, 0 } }
184 },
185 { 0x000D, "Abit AW8", {
186 { "CPU Core", 0, 0, 10, 1, 0 },
187 { "DDR", 1, 0, 10, 1, 0 },
188 { "DDR VTT", 2, 0, 10, 1, 0 },
189 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
190 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
191 { "MCH 2.5V", 5, 0, 20, 1, 0 },
192 { "ICH 1.05V", 6, 0, 10, 1, 0 },
193 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
194 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
195 { "ATX +5V", 9, 0, 30, 1, 0 },
196 { "+3.3V", 10, 0, 20, 1, 0 },
197 { "5VSB", 11, 0, 30, 1, 0 },
198 { "CPU", 24, 1, 1, 1, 0 },
199 { "System ", 25, 1, 1, 1, 0 },
200 { "PWM1", 26, 1, 1, 1, 0 },
201 { "PWM2", 27, 1, 1, 1, 0 },
202 { "PWM3", 28, 1, 1, 1, 0 },
203 { "PWM4", 29, 1, 1, 1, 0 },
204 { "CPU Fan", 32, 2, 60, 1, 0 },
205 { "NB Fan", 33, 2, 60, 1, 0 },
206 { "SYS Fan", 34, 2, 60, 1, 0 },
207 { "AUX1 Fan", 35, 2, 60, 1, 0 },
208 { "AUX2 Fan", 36, 2, 60, 1, 0 },
209 { "AUX3 Fan", 37, 2, 60, 1, 0 },
210 { "AUX4 Fan", 38, 2, 60, 1, 0 },
211 { "AUX5 Fan", 39, 2, 60, 1, 0 },
212 { NULL, 0, 0, 0, 0, 0 } }
213 },
214 { 0x000E, "AL-8", {
215 { "CPU Core", 0, 0, 10, 1, 0 },
216 { "DDR", 1, 0, 10, 1, 0 },
217 { "DDR VTT", 2, 0, 10, 1, 0 },
218 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
219 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
220 { "MCH 2.5V", 5, 0, 20, 1, 0 },
221 { "ICH 1.05V", 6, 0, 10, 1, 0 },
222 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
223 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
224 { "ATX +5V", 9, 0, 30, 1, 0 },
225 { "+3.3V", 10, 0, 20, 1, 0 },
226 { "5VSB", 11, 0, 30, 1, 0 },
227 { "CPU", 24, 1, 1, 1, 0 },
228 { "System ", 25, 1, 1, 1, 0 },
229 { "PWM", 26, 1, 1, 1, 0 },
230 { "CPU Fan", 32, 2, 60, 1, 0 },
231 { "NB Fan", 33, 2, 60, 1, 0 },
232 { "SYS Fan", 34, 2, 60, 1, 0 },
233 { NULL, 0, 0, 0, 0, 0 } }
234 },
235 { 0x000F, "unknown", {
236 { "CPU Core", 0, 0, 10, 1, 0 },
237 { "DDR", 1, 0, 10, 1, 0 },
238 { "DDR VTT", 2, 0, 10, 1, 0 },
239 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
240 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
241 { "MCH 2.5V", 5, 0, 20, 1, 0 },
242 { "ICH 1.05V", 6, 0, 10, 1, 0 },
243 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
244 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
245 { "ATX +5V", 9, 0, 30, 1, 0 },
246 { "+3.3V", 10, 0, 20, 1, 0 },
247 { "5VSB", 11, 0, 30, 1, 0 },
248 { "CPU", 24, 1, 1, 1, 0 },
249 { "System ", 25, 1, 1, 1, 0 },
250 { "PWM", 26, 1, 1, 1, 0 },
251 { "CPU Fan", 32, 2, 60, 1, 0 },
252 { "NB Fan", 33, 2, 60, 1, 0 },
253 { "SYS Fan", 34, 2, 60, 1, 0 },
254 { NULL, 0, 0, 0, 0, 0 } }
255 },
256 { 0x0010, "Abit NI8 SLI GR", {
257 { "CPU Core", 0, 0, 10, 1, 0 },
258 { "DDR", 1, 0, 10, 1, 0 },
259 { "DDR VTT", 2, 0, 10, 1, 0 },
260 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
261 { "NB 1.4V", 4, 0, 10, 1, 0 },
262 { "SB 1.5V", 6, 0, 10, 1, 0 },
263 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
264 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
265 { "ATX +5V", 9, 0, 30, 1, 0 },
266 { "+3.3V", 10, 0, 20, 1, 0 },
267 { "5VSB", 11, 0, 30, 1, 0 },
268 { "CPU", 24, 1, 1, 1, 0 },
269 { "SYS", 25, 1, 1, 1, 0 },
270 { "PWM", 26, 1, 1, 1, 0 },
271 { "CPU Fan", 32, 2, 60, 1, 0 },
272 { "NB Fan", 33, 2, 60, 1, 0 },
273 { "SYS Fan", 34, 2, 60, 1, 0 },
274 { "AUX1 Fan", 35, 2, 60, 1, 0 },
275 { "OTES1 Fan", 36, 2, 60, 1, 0 },
276 { NULL, 0, 0, 0, 0, 0 } }
277 },
278 { 0x0011, "Abit AT8 32X", {
279 { "CPU Core", 0, 0, 10, 1, 0 },
280 { "DDR", 1, 0, 20, 1, 0 },
281 { "DDR VTT", 2, 0, 10, 1, 0 },
282 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
283 { "NB 1.8V", 4, 0, 10, 1, 0 },
284 { "NB 1.8V Dual", 5, 0, 10, 1, 0 },
285 { "HTV 1.2", 3, 0, 10, 1, 0 },
286 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
287 { "NB 1.2V", 13, 0, 10, 1, 0 },
288 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
289 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
290 { "ATX +5V", 9, 0, 30, 1, 0 },
291 { "+3.3V", 10, 0, 20, 1, 0 },
292 { "5VSB", 11, 0, 30, 1, 0 },
293 { "CPU", 24, 1, 1, 1, 0 },
294 { "NB", 25, 1, 1, 1, 0 },
295 { "System", 26, 1, 1, 1, 0 },
296 { "PWM", 27, 1, 1, 1, 0 },
297 { "CPU Fan", 32, 2, 60, 1, 0 },
298 { "NB Fan", 33, 2, 60, 1, 0 },
299 { "SYS Fan", 34, 2, 60, 1, 0 },
300 { "AUX1 Fan", 35, 2, 60, 1, 0 },
301 { "AUX2 Fan", 36, 2, 60, 1, 0 },
302 { NULL, 0, 0, 0, 0, 0 } }
303 },
304 { 0x0012, "Abit AN8 32X", {
305 { "CPU Core", 0, 0, 10, 1, 0 },
306 { "DDR", 1, 0, 20, 1, 0 },
307 { "DDR VTT", 2, 0, 10, 1, 0 },
308 { "HyperTransport", 3, 0, 10, 1, 0 },
309 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
310 { "NB", 4, 0, 10, 1, 0 },
311 { "SB", 6, 0, 10, 1, 0 },
312 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
313 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
314 { "ATX +5V", 9, 0, 30, 1, 0 },
315 { "+3.3V", 10, 0, 20, 1, 0 },
316 { "5VSB", 11, 0, 30, 1, 0 },
317 { "CPU", 24, 1, 1, 1, 0 },
318 { "SYS", 25, 1, 1, 1, 0 },
319 { "PWM", 26, 1, 1, 1, 0 },
320 { "CPU Fan", 32, 2, 60, 1, 0 },
321 { "NB Fan", 33, 2, 60, 1, 0 },
322 { "SYS Fan", 34, 2, 60, 1, 0 },
323 { "AUX1 Fan", 36, 2, 60, 1, 0 },
324 { NULL, 0, 0, 0, 0, 0 } }
325 },
326 { 0x0013, "unknown", {
327 { "CPU Core", 0, 0, 10, 1, 0 },
328 { "DDR", 1, 0, 10, 1, 0 },
329 { "DDR VTT", 2, 0, 10, 1, 0 },
330 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
331 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
332 { "MCH 2.5V", 5, 0, 20, 1, 0 },
333 { "ICH 1.05V", 6, 0, 10, 1, 0 },
334 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
335 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
336 { "ATX +5V", 9, 0, 30, 1, 0 },
337 { "+3.3V", 10, 0, 20, 1, 0 },
338 { "5VSB", 11, 0, 30, 1, 0 },
339 { "CPU", 24, 1, 1, 1, 0 },
340 { "System ", 25, 1, 1, 1, 0 },
341 { "PWM1", 26, 1, 1, 1, 0 },
342 { "PWM2", 27, 1, 1, 1, 0 },
343 { "PWM3", 28, 1, 1, 1, 0 },
344 { "PWM4", 29, 1, 1, 1, 0 },
345 { "CPU Fan", 32, 2, 60, 1, 0 },
346 { "NB Fan", 33, 2, 60, 1, 0 },
347 { "SYS Fan", 34, 2, 60, 1, 0 },
348 { "AUX1 Fan", 35, 2, 60, 1, 0 },
349 { "AUX2 Fan", 36, 2, 60, 1, 0 },
350 { "AUX3 Fan", 37, 2, 60, 1, 0 },
351 { "AUX4 Fan", 38, 2, 60, 1, 0 },
352 { NULL, 0, 0, 0, 0, 0 } }
353 },
354 { 0x0014, "Abit AB9 Pro", {
355 { "CPU Core", 0, 0, 10, 1, 0 },
356 { "DDR", 1, 0, 10, 1, 0 },
357 { "DDR VTT", 2, 0, 10, 1, 0 },
358 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
359 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
360 { "MCH 2.5V", 5, 0, 20, 1, 0 },
361 { "ICH 1.05V", 6, 0, 10, 1, 0 },
362 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
363 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
364 { "ATX +5V", 9, 0, 30, 1, 0 },
365 { "+3.3V", 10, 0, 20, 1, 0 },
366 { "5VSB", 11, 0, 30, 1, 0 },
367 { "CPU", 24, 1, 1, 1, 0 },
368 { "System ", 25, 1, 1, 1, 0 },
369 { "PWM", 26, 1, 1, 1, 0 },
370 { "CPU Fan", 32, 2, 60, 1, 0 },
371 { "NB Fan", 33, 2, 60, 1, 0 },
372 { "SYS Fan", 34, 2, 60, 1, 0 },
373 { NULL, 0, 0, 0, 0, 0 } }
374 },
375 { 0x0015, "unknown", {
376 { "CPU Core", 0, 0, 10, 1, 0 },
377 { "DDR", 1, 0, 20, 1, 0 },
378 { "DDR VTT", 2, 0, 10, 1, 0 },
379 { "HyperTransport", 3, 0, 10, 1, 0 },
380 { "CPU VDDA 2.5V", 5, 0, 20, 1, 0 },
381 { "NB", 4, 0, 10, 1, 0 },
382 { "SB", 6, 0, 10, 1, 0 },
383 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
384 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
385 { "ATX +5V", 9, 0, 30, 1, 0 },
386 { "+3.3V", 10, 0, 20, 1, 0 },
387 { "5VSB", 11, 0, 30, 1, 0 },
388 { "CPU", 24, 1, 1, 1, 0 },
389 { "SYS", 25, 1, 1, 1, 0 },
390 { "PWM", 26, 1, 1, 1, 0 },
391 { "CPU Fan", 32, 2, 60, 1, 0 },
392 { "NB Fan", 33, 2, 60, 1, 0 },
393 { "SYS Fan", 34, 2, 60, 1, 0 },
394 { "AUX1 Fan", 33, 2, 60, 1, 0 },
395 { "AUX2 Fan", 35, 2, 60, 1, 0 },
396 { "AUX3 Fan", 36, 2, 60, 1, 0 },
397 { NULL, 0, 0, 0, 0, 0 } }
398 },
399 { 0x0016, "AW9D-MAX", {
400 { "CPU Core", 0, 0, 10, 1, 0 },
401 { "DDR2", 1, 0, 20, 1, 0 },
402 { "DDR2 VTT", 2, 0, 10, 1, 0 },
403 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
404 { "MCH & PCIE 1.5V", 4, 0, 10, 1, 0 },
405 { "MCH 2.5V", 5, 0, 20, 1, 0 },
406 { "ICH 1.05V", 6, 0, 10, 1, 0 },
407 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
408 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
409 { "ATX +5V", 9, 0, 30, 1, 0 },
410 { "+3.3V", 10, 0, 20, 1, 0 },
411 { "5VSB", 11, 0, 30, 1, 0 },
412 { "CPU", 24, 1, 1, 1, 0 },
413 { "System ", 25, 1, 1, 1, 0 },
414 { "PWM1", 26, 1, 1, 1, 0 },
415 { "PWM2", 27, 1, 1, 1, 0 },
416 { "PWM3", 28, 1, 1, 1, 0 },
417 { "PWM4", 29, 1, 1, 1, 0 },
418 { "CPU Fan", 32, 2, 60, 1, 0 },
419 { "NB Fan", 33, 2, 60, 1, 0 },
420 { "SYS Fan", 34, 2, 60, 1, 0 },
421 { "AUX1 Fan", 35, 2, 60, 1, 0 },
422 { "AUX2 Fan", 36, 2, 60, 1, 0 },
423 { "AUX3 Fan", 37, 2, 60, 1, 0 },
424 { "OTES1 Fan", 38, 2, 60, 1, 0 },
425 { NULL, 0, 0, 0, 0, 0 } }
426 },
427 { 0x0017, "unknown", {
428 { "CPU Core", 0, 0, 10, 1, 0 },
429 { "DDR2", 1, 0, 20, 1, 0 },
430 { "DDR2 VTT", 2, 0, 10, 1, 0 },
431 { "HyperTransport", 3, 0, 10, 1, 0 },
432 { "CPU VDDA 2.5V", 6, 0, 20, 1, 0 },
433 { "NB 1.8V", 4, 0, 10, 1, 0 },
434 { "NB 1.2V ", 13, 0, 10, 1, 0 },
435 { "SB 1.2V", 5, 0, 10, 1, 0 },
436 { "PCIE 1.2V", 12, 0, 10, 1, 0 },
437 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
438 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
439 { "ATX +5V", 9, 0, 30, 1, 0 },
440 { "ATX +3.3V", 10, 0, 20, 1, 0 },
441 { "ATX 5VSB", 11, 0, 30, 1, 0 },
442 { "CPU", 24, 1, 1, 1, 0 },
443 { "System ", 26, 1, 1, 1, 0 },
444 { "PWM", 27, 1, 1, 1, 0 },
445 { "CPU FAN", 32, 2, 60, 1, 0 },
446 { "SYS FAN", 34, 2, 60, 1, 0 },
447 { "AUX1 FAN", 35, 2, 60, 1, 0 },
448 { "AUX2 FAN", 36, 2, 60, 1, 0 },
449 { "AUX3 FAN", 37, 2, 60, 1, 0 },
450 { NULL, 0, 0, 0, 0, 0 } }
451 },
452 { 0x0018, "unknown", {
453 { "CPU Core", 0, 0, 10, 1, 0 },
454 { "DDR2", 1, 0, 20, 1, 0 },
455 { "DDR2 VTT", 2, 0, 10, 1, 0 },
456 { "CPU VTT", 3, 0, 10, 1, 0 },
457 { "MCH 1.25V", 4, 0, 10, 1, 0 },
458 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
459 { "ICH 1.05V", 6, 0, 10, 1, 0 },
460 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
461 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
462 { "ATX +5V", 9, 0, 30, 1, 0 },
463 { "+3.3V", 10, 0, 20, 1, 0 },
464 { "5VSB", 11, 0, 30, 1, 0 },
465 { "CPU", 24, 1, 1, 1, 0 },
466 { "System ", 25, 1, 1, 1, 0 },
467 { "PWM Phase1", 26, 1, 1, 1, 0 },
468 { "PWM Phase2", 27, 1, 1, 1, 0 },
469 { "PWM Phase3", 28, 1, 1, 1, 0 },
470 { "PWM Phase4", 29, 1, 1, 1, 0 },
471 { "PWM Phase5", 30, 1, 1, 1, 0 },
472 { "CPU Fan", 32, 2, 60, 1, 0 },
473 { "SYS Fan", 34, 2, 60, 1, 0 },
474 { "AUX1 Fan", 33, 2, 60, 1, 0 },
475 { "AUX2 Fan", 35, 2, 60, 1, 0 },
476 { "AUX3 Fan", 36, 2, 60, 1, 0 },
477 { NULL, 0, 0, 0, 0, 0 } }
478 },
479 { 0x0019, "unknown", {
480 { "CPU Core", 7, 0, 10, 1, 0 },
481 { "DDR2", 13, 0, 20, 1, 0 },
482 { "DDR2 VTT", 14, 0, 10, 1, 0 },
483 { "CPU VTT", 3, 0, 20, 1, 0 },
484 { "NB 1.2V ", 4, 0, 10, 1, 0 },
485 { "SB 1.5V", 6, 0, 10, 1, 0 },
486 { "HyperTransport", 5, 0, 10, 1, 0 },
487 { "ATX +12V (24-Pin)", 12, 0, 60, 1, 0 },
488 { "ATX +12V (4-pin)", 8, 0, 60, 1, 0 },
489 { "ATX +5V", 9, 0, 30, 1, 0 },
490 { "ATX +3.3V", 10, 0, 20, 1, 0 },
491 { "ATX 5VSB", 11, 0, 30, 1, 0 },
492 { "CPU", 24, 1, 1, 1, 0 },
493 { "System ", 25, 1, 1, 1, 0 },
494 { "PWM Phase1", 26, 1, 1, 1, 0 },
495 { "PWM Phase2", 27, 1, 1, 1, 0 },
496 { "PWM Phase3", 28, 1, 1, 1, 0 },
497 { "PWM Phase4", 29, 1, 1, 1, 0 },
498 { "PWM Phase5", 30, 1, 1, 1, 0 },
499 { "CPU FAN", 32, 2, 60, 1, 0 },
500 { "SYS FAN", 34, 2, 60, 1, 0 },
501 { "AUX1 FAN", 33, 2, 60, 1, 0 },
502 { "AUX2 FAN", 35, 2, 60, 1, 0 },
503 { "AUX3 FAN", 36, 2, 60, 1, 0 },
504 { NULL, 0, 0, 0, 0, 0 } }
505 },
506 { 0x001A, "Abit IP35 Pro", {
507 { "CPU Core", 0, 0, 10, 1, 0 },
508 { "DDR2", 1, 0, 20, 1, 0 },
509 { "DDR2 VTT", 2, 0, 10, 1, 0 },
510 { "CPU VTT 1.2V", 3, 0, 10, 1, 0 },
511 { "MCH 1.25V", 4, 0, 10, 1, 0 },
512 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
513 { "ICH 1.05V", 6, 0, 10, 1, 0 },
514 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
515 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
516 { "ATX +5V", 9, 0, 30, 1, 0 },
517 { "+3.3V", 10, 0, 20, 1, 0 },
518 { "5VSB", 11, 0, 30, 1, 0 },
519 { "CPU", 24, 1, 1, 1, 0 },
520 { "System ", 25, 1, 1, 1, 0 },
521 { "PWM ", 26, 1, 1, 1, 0 },
522 { "PWM Phase2", 27, 1, 1, 1, 0 },
523 { "PWM Phase3", 28, 1, 1, 1, 0 },
524 { "PWM Phase4", 29, 1, 1, 1, 0 },
525 { "PWM Phase5", 30, 1, 1, 1, 0 },
526 { "CPU Fan", 32, 2, 60, 1, 0 },
527 { "SYS Fan", 34, 2, 60, 1, 0 },
528 { "AUX1 Fan", 33, 2, 60, 1, 0 },
529 { "AUX2 Fan", 35, 2, 60, 1, 0 },
530 { "AUX3 Fan", 36, 2, 60, 1, 0 },
531 { "AUX4 Fan", 37, 2, 60, 1, 0 },
532 { NULL, 0, 0, 0, 0, 0 } }
533 },
534 { 0x001B, "unknown", {
535 { "CPU Core", 0, 0, 10, 1, 0 },
536 { "DDR3", 1, 0, 20, 1, 0 },
537 { "DDR3 VTT", 2, 0, 10, 1, 0 },
538 { "CPU VTT", 3, 0, 10, 1, 0 },
539 { "MCH 1.25V", 4, 0, 10, 1, 0 },
540 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
541 { "ICH 1.05V", 6, 0, 10, 1, 0 },
542 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
543 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
544 { "ATX +5V", 9, 0, 30, 1, 0 },
545 { "+3.3V", 10, 0, 20, 1, 0 },
546 { "5VSB", 11, 0, 30, 1, 0 },
547 { "CPU", 24, 1, 1, 1, 0 },
548 { "System", 25, 1, 1, 1, 0 },
549 { "PWM Phase1", 26, 1, 1, 1, 0 },
550 { "PWM Phase2", 27, 1, 1, 1, 0 },
551 { "PWM Phase3", 28, 1, 1, 1, 0 },
552 { "PWM Phase4", 29, 1, 1, 1, 0 },
553 { "PWM Phase5", 30, 1, 1, 1, 0 },
554 { "CPU Fan", 32, 2, 60, 1, 0 },
555 { "SYS Fan", 34, 2, 60, 1, 0 },
556 { "AUX1 Fan", 33, 2, 60, 1, 0 },
557 { "AUX2 Fan", 35, 2, 60, 1, 0 },
558 { "AUX3 Fan", 36, 2, 60, 1, 0 },
559 { NULL, 0, 0, 0, 0, 0 } }
560 },
561 { 0x001C, "unknown", {
562 { "CPU Core", 0, 0, 10, 1, 0 },
563 { "DDR2", 1, 0, 20, 1, 0 },
564 { "DDR2 VTT", 2, 0, 10, 1, 0 },
565 { "CPU VTT", 3, 0, 10, 1, 0 },
566 { "MCH 1.25V", 4, 0, 10, 1, 0 },
567 { "ICHIO 1.5V", 5, 0, 10, 1, 0 },
568 { "ICH 1.05V", 6, 0, 10, 1, 0 },
569 { "ATX +12V (24-Pin)", 7, 0, 60, 1, 0 },
570 { "ATX +12V (8-pin)", 8, 0, 60, 1, 0 },
571 { "ATX +5V", 9, 0, 30, 1, 0 },
572 { "+3.3V", 10, 0, 20, 1, 0 },
573 { "5VSB", 11, 0, 30, 1, 0 },
574 { "CPU", 24, 1, 1, 1, 0 },
575 { "System", 25, 1, 1, 1, 0 },
576 { "PWM Phase1", 26, 1, 1, 1, 0 },
577 { "PWM Phase2", 27, 1, 1, 1, 0 },
578 { "PWM Phase3", 28, 1, 1, 1, 0 },
579 { "PWM Phase4", 29, 1, 1, 1, 0 },
580 { "PWM Phase5", 30, 1, 1, 1, 0 },
581 { "CPU Fan", 32, 2, 60, 1, 0 },
582 { "SYS Fan", 34, 2, 60, 1, 0 },
583 { "AUX1 Fan", 33, 2, 60, 1, 0 },
584 { "AUX2 Fan", 35, 2, 60, 1, 0 },
585 { "AUX3 Fan", 36, 2, 60, 1, 0 },
586 { NULL, 0, 0, 0, 0, 0 } }
587 },
588 { 0x0000, NULL, { { NULL, 0, 0, 0, 0, 0 } } }
589 };
590
591
592 /* Insmod parameters */
593 static int force;
594 module_param(force, bool, 0);
595 MODULE_PARM_DESC(force, "Set to one to force detection.");
596 /* Default verbose is 1, since this driver is still in the testing phase */
597 static int verbose = 1;
598 module_param(verbose, bool, 0644);
599 MODULE_PARM_DESC(verbose, "Enable/disable verbose error reporting");
600
601
602 /* wait while the uguru is busy (usually after a write) */
603 static int abituguru3_wait_while_busy(struct abituguru3_data *data)
604 {
605 u8 x;
606 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
607
608 while ((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
609 ABIT_UGURU3_STATUS_BUSY) {
610 timeout--;
611 if (timeout == 0)
612 return x;
613 /* sleep a bit before our last try, to give the uGuru3 one
614 last chance to respond. */
615 if (timeout == 1)
616 msleep(1);
617 }
618 return ABIT_UGURU3_SUCCESS;
619 }
620
621 /* wait till uguru is ready to be read */
622 static int abituguru3_wait_for_read(struct abituguru3_data *data)
623 {
624 u8 x;
625 int timeout = ABIT_UGURU3_WAIT_TIMEOUT;
626
627 while (!((x = inb_p(data->addr + ABIT_UGURU3_DATA)) &
628 ABIT_UGURU3_STATUS_READY_FOR_READ)) {
629 timeout--;
630 if (timeout == 0)
631 return x;
632 /* sleep a bit before our last try, to give the uGuru3 one
633 last chance to respond. */
634 if (timeout == 1)
635 msleep(1);
636 }
637 return ABIT_UGURU3_SUCCESS;
638 }
639
640 /* This synchronizes us with the uGuru3's protocol state machine, this
641 must be done before each command. */
642 static int abituguru3_synchronize(struct abituguru3_data *data)
643 {
644 int x, timeout = ABIT_UGURU3_SYNCHRONIZE_TIMEOUT;
645
646 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
647 ABIT_UGURU3_DEBUG("synchronize timeout during initial busy "
648 "wait, status: 0x%02x\n", x);
649 return -EIO;
650 }
651
652 outb(0x20, data->addr + ABIT_UGURU3_DATA);
653 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
654 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x20, "
655 "status: 0x%02x\n", x);
656 return -EIO;
657 }
658
659 outb(0x10, data->addr + ABIT_UGURU3_CMD);
660 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
661 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x10, "
662 "status: 0x%02x\n", x);
663 return -EIO;
664 }
665
666 outb(0x00, data->addr + ABIT_UGURU3_CMD);
667 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
668 ABIT_UGURU3_DEBUG("synchronize timeout after sending 0x00, "
669 "status: 0x%02x\n", x);
670 return -EIO;
671 }
672
673 if ((x = abituguru3_wait_for_read(data)) != ABIT_UGURU3_SUCCESS) {
674 ABIT_UGURU3_DEBUG("synchronize timeout waiting for read, "
675 "status: 0x%02x\n", x);
676 return -EIO;
677 }
678
679 while ((x = inb(data->addr + ABIT_UGURU3_CMD)) != 0xAC) {
680 timeout--;
681 if (timeout == 0) {
682 ABIT_UGURU3_DEBUG("synchronize timeout cmd does not "
683 "hold 0xAC after synchronize, cmd: 0x%02x\n",
684 x);
685 return -EIO;
686 }
687 msleep(1);
688 }
689 return 0;
690 }
691
692 /* Read count bytes from sensor sensor_addr in bank bank_addr and store the
693 result in buf */
694 static int abituguru3_read(struct abituguru3_data *data, u8 bank, u8 offset,
695 u8 count, u8 *buf)
696 {
697 int i, x;
698
699 if ((x = abituguru3_synchronize(data)))
700 return x;
701
702 outb(0x1A, data->addr + ABIT_UGURU3_DATA);
703 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
704 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
705 "sending 0x1A, status: 0x%02x\n", (unsigned int)bank,
706 (unsigned int)offset, x);
707 return -EIO;
708 }
709
710 outb(bank, data->addr + ABIT_UGURU3_CMD);
711 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
712 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
713 "sending the bank, status: 0x%02x\n",
714 (unsigned int)bank, (unsigned int)offset, x);
715 return -EIO;
716 }
717
718 outb(offset, data->addr + ABIT_UGURU3_CMD);
719 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
720 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
721 "sending the offset, status: 0x%02x\n",
722 (unsigned int)bank, (unsigned int)offset, x);
723 return -EIO;
724 }
725
726 outb(count, data->addr + ABIT_UGURU3_CMD);
727 if ((x = abituguru3_wait_while_busy(data)) != ABIT_UGURU3_SUCCESS) {
728 ABIT_UGURU3_DEBUG("read from 0x%02x:0x%02x timed out after "
729 "sending the count, status: 0x%02x\n",
730 (unsigned int)bank, (unsigned int)offset, x);
731 return -EIO;
732 }
733
734 for (i = 0; i < count; i++) {
735 if ((x = abituguru3_wait_for_read(data)) !=
736 ABIT_UGURU3_SUCCESS) {
737 ABIT_UGURU3_DEBUG("timeout reading byte %d from "
738 "0x%02x:0x%02x, status: 0x%02x\n", i,
739 (unsigned int)bank, (unsigned int)offset, x);
740 break;
741 }
742 buf[i] = inb(data->addr + ABIT_UGURU3_CMD);
743 }
744 return i;
745 }
746
747 /* Sensor settings are stored 1 byte per offset with the bytes
748 placed add consecutive offsets. */
749 static int abituguru3_read_increment_offset(struct abituguru3_data *data,
750 u8 bank, u8 offset, u8 count,
751 u8 *buf, int offset_count)
752 {
753 int i, x;
754
755 for (i = 0; i < offset_count; i++)
756 if ((x = abituguru3_read(data, bank, offset + i, count,
757 buf + i * count)) != count)
758 return i * count + (i && (x < 0)) ? 0 : x;
759
760 return i * count;
761 }
762
763 /* Following are the sysfs callback functions. These functions expect:
764 sensor_device_attribute_2->index: index into the data->sensors array
765 sensor_device_attribute_2->nr: register offset, bitmask or NA. */
766 static struct abituguru3_data *abituguru3_update_device(struct device *dev);
767
768 static ssize_t show_value(struct device *dev,
769 struct device_attribute *devattr, char *buf)
770 {
771 int value;
772 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
773 struct abituguru3_data *data = abituguru3_update_device(dev);
774 const struct abituguru3_sensor_info *sensor;
775
776 if (!data)
777 return -EIO;
778
779 sensor = &data->sensors[attr->index];
780
781 /* are we reading a setting, or is this a normal read? */
782 if (attr->nr)
783 value = data->settings[sensor->port][attr->nr];
784 else
785 value = data->value[sensor->port];
786
787 /* convert the value */
788 value = (value * sensor->multiplier) / sensor->divisor +
789 sensor->offset;
790
791 /* alternatively we could update the sensors settings struct for this,
792 but then its contents would differ from the windows sw ini files */
793 if (sensor->type == ABIT_UGURU3_TEMP_SENSOR)
794 value *= 1000;
795
796 return sprintf(buf, "%d\n", value);
797 }
798
799 static ssize_t show_alarm(struct device *dev,
800 struct device_attribute *devattr, char *buf)
801 {
802 int port;
803 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
804 struct abituguru3_data *data = abituguru3_update_device(dev);
805
806 if (!data)
807 return -EIO;
808
809 port = data->sensors[attr->index].port;
810
811 /* See if the alarm bit for this sensor is set and if a bitmask is
812 given in attr->nr also check if the alarm matches the type of alarm
813 we're looking for (for volt it can be either low or high). The type
814 is stored in a few readonly bits in the settings of the sensor. */
815 if ((data->alarms[port / 8] & (0x01 << (port % 8))) &&
816 (!attr->nr || (data->settings[port][0] & attr->nr)))
817 return sprintf(buf, "1\n");
818 else
819 return sprintf(buf, "0\n");
820 }
821
822 static ssize_t show_mask(struct device *dev,
823 struct device_attribute *devattr, char *buf)
824 {
825 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
826 struct abituguru3_data *data = dev_get_drvdata(dev);
827
828 if (data->settings[data->sensors[attr->index].port][0] & attr->nr)
829 return sprintf(buf, "1\n");
830 else
831 return sprintf(buf, "0\n");
832 }
833
834 static ssize_t show_label(struct device *dev,
835 struct device_attribute *devattr, char *buf)
836 {
837 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
838 struct abituguru3_data *data = dev_get_drvdata(dev);
839
840 return sprintf(buf, "%s\n", data->sensors[attr->index].name);
841 }
842
843 static ssize_t show_name(struct device *dev,
844 struct device_attribute *devattr, char *buf)
845 {
846 return sprintf(buf, "%s\n", ABIT_UGURU3_NAME);
847 }
848
849 /* Sysfs attr templates, the real entries are generated automatically. */
850 static const
851 struct sensor_device_attribute_2 abituguru3_sysfs_templ[3][10] = { {
852 SENSOR_ATTR_2(in%d_input, 0444, show_value, NULL, 0, 0),
853 SENSOR_ATTR_2(in%d_min, 0444, show_value, NULL, 1, 0),
854 SENSOR_ATTR_2(in%d_max, 0444, show_value, NULL, 2, 0),
855 SENSOR_ATTR_2(in%d_min_alarm, 0444, show_alarm, NULL,
856 ABIT_UGURU3_VOLT_LOW_ALARM_FLAG, 0),
857 SENSOR_ATTR_2(in%d_max_alarm, 0444, show_alarm, NULL,
858 ABIT_UGURU3_VOLT_HIGH_ALARM_FLAG, 0),
859 SENSOR_ATTR_2(in%d_beep, 0444, show_mask, NULL,
860 ABIT_UGURU3_BEEP_ENABLE, 0),
861 SENSOR_ATTR_2(in%d_shutdown, 0444, show_mask, NULL,
862 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
863 SENSOR_ATTR_2(in%d_min_alarm_enable, 0444, show_mask, NULL,
864 ABIT_UGURU3_VOLT_LOW_ALARM_ENABLE, 0),
865 SENSOR_ATTR_2(in%d_max_alarm_enable, 0444, show_mask, NULL,
866 ABIT_UGURU3_VOLT_HIGH_ALARM_ENABLE, 0),
867 SENSOR_ATTR_2(in%d_label, 0444, show_label, NULL, 0, 0)
868 }, {
869 SENSOR_ATTR_2(temp%d_input, 0444, show_value, NULL, 0, 0),
870 SENSOR_ATTR_2(temp%d_max, 0444, show_value, NULL, 1, 0),
871 SENSOR_ATTR_2(temp%d_crit, 0444, show_value, NULL, 2, 0),
872 SENSOR_ATTR_2(temp%d_alarm, 0444, show_alarm, NULL, 0, 0),
873 SENSOR_ATTR_2(temp%d_beep, 0444, show_mask, NULL,
874 ABIT_UGURU3_BEEP_ENABLE, 0),
875 SENSOR_ATTR_2(temp%d_shutdown, 0444, show_mask, NULL,
876 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
877 SENSOR_ATTR_2(temp%d_alarm_enable, 0444, show_mask, NULL,
878 ABIT_UGURU3_TEMP_HIGH_ALARM_ENABLE, 0),
879 SENSOR_ATTR_2(temp%d_label, 0444, show_label, NULL, 0, 0)
880 }, {
881 SENSOR_ATTR_2(fan%d_input, 0444, show_value, NULL, 0, 0),
882 SENSOR_ATTR_2(fan%d_min, 0444, show_value, NULL, 1, 0),
883 SENSOR_ATTR_2(fan%d_alarm, 0444, show_alarm, NULL, 0, 0),
884 SENSOR_ATTR_2(fan%d_beep, 0444, show_mask, NULL,
885 ABIT_UGURU3_BEEP_ENABLE, 0),
886 SENSOR_ATTR_2(fan%d_shutdown, 0444, show_mask, NULL,
887 ABIT_UGURU3_SHUTDOWN_ENABLE, 0),
888 SENSOR_ATTR_2(fan%d_alarm_enable, 0444, show_mask, NULL,
889 ABIT_UGURU3_FAN_LOW_ALARM_ENABLE, 0),
890 SENSOR_ATTR_2(fan%d_label, 0444, show_label, NULL, 0, 0)
891 } };
892
893 static struct sensor_device_attribute_2 abituguru3_sysfs_attr[] = {
894 SENSOR_ATTR_2(name, 0444, show_name, NULL, 0, 0),
895 };
896
897 static int __devinit abituguru3_probe(struct platform_device *pdev)
898 {
899 const int no_sysfs_attr[3] = { 10, 8, 7 };
900 int sensor_index[3] = { 0, 1, 1 };
901 struct abituguru3_data *data;
902 int i, j, type, used, sysfs_names_free, sysfs_attr_i, res = -ENODEV;
903 char *sysfs_filename;
904 u8 buf[2];
905 u16 id;
906
907 if (!(data = kzalloc(sizeof(struct abituguru3_data), GFP_KERNEL)))
908 return -ENOMEM;
909
910 data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
911 mutex_init(&data->update_lock);
912 platform_set_drvdata(pdev, data);
913
914 /* Read the motherboard ID */
915 if ((i = abituguru3_read(data, ABIT_UGURU3_MISC_BANK,
916 ABIT_UGURU3_BOARD_ID, 2, buf)) != 2) {
917 goto abituguru3_probe_error;
918 }
919
920 /* Completely read the uGuru to see if one really is there */
921 if (!abituguru3_update_device(&pdev->dev))
922 goto abituguru3_probe_error;
923
924 /* lookup the ID in our motherboard table */
925 id = ((u16)buf[0] << 8) | (u16)buf[1];
926 for (i = 0; abituguru3_motherboards[i].id; i++)
927 if (abituguru3_motherboards[i].id == id)
928 break;
929 if (!abituguru3_motherboards[i].id) {
930 printk(KERN_ERR ABIT_UGURU3_NAME ": error unknown motherboard "
931 "ID: %04X. Please report this to the abituguru3 "
932 "maintainer (see MAINTAINERS)\n", (unsigned int)id);
933 goto abituguru3_probe_error;
934 }
935 data->sensors = abituguru3_motherboards[i].sensors;
936 printk(KERN_INFO ABIT_UGURU3_NAME ": found Abit uGuru3, motherboard "
937 "ID: %04X (%s)\n", (unsigned int)id,
938 abituguru3_motherboards[i].name);
939
940 /* Fill the sysfs attr array */
941 sysfs_attr_i = 0;
942 sysfs_filename = data->sysfs_names;
943 sysfs_names_free = ABIT_UGURU3_SYSFS_NAMES_LENGTH;
944 for (i = 0; data->sensors[i].name; i++) {
945 /* Fail safe check, this should never happen! */
946 if (i >= ABIT_UGURU3_MAX_NO_SENSORS) {
947 printk(KERN_ERR ABIT_UGURU3_NAME
948 ": Fatal error motherboard has more sensors "
949 "then ABIT_UGURU3_MAX_NO_SENSORS. This should "
950 "never happen please report to the abituguru3 "
951 "maintainer (see MAINTAINERS)\n");
952 res = -ENAMETOOLONG;
953 goto abituguru3_probe_error;
954 }
955 type = data->sensors[i].type;
956 for (j = 0; j < no_sysfs_attr[type]; j++) {
957 used = snprintf(sysfs_filename, sysfs_names_free,
958 abituguru3_sysfs_templ[type][j].dev_attr.attr.
959 name, sensor_index[type]) + 1;
960 data->sysfs_attr[sysfs_attr_i] =
961 abituguru3_sysfs_templ[type][j];
962 data->sysfs_attr[sysfs_attr_i].dev_attr.attr.name =
963 sysfs_filename;
964 data->sysfs_attr[sysfs_attr_i].index = i;
965 sysfs_filename += used;
966 sysfs_names_free -= used;
967 sysfs_attr_i++;
968 }
969 sensor_index[type]++;
970 }
971 /* Fail safe check, this should never happen! */
972 if (sysfs_names_free < 0) {
973 printk(KERN_ERR ABIT_UGURU3_NAME
974 ": Fatal error ran out of space for sysfs attr names. "
975 "This should never happen please report to the "
976 "abituguru3 maintainer (see MAINTAINERS)\n");
977 res = -ENAMETOOLONG;
978 goto abituguru3_probe_error;
979 }
980
981 /* Register sysfs hooks */
982 for (i = 0; i < sysfs_attr_i; i++)
983 if (device_create_file(&pdev->dev,
984 &data->sysfs_attr[i].dev_attr))
985 goto abituguru3_probe_error;
986 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
987 if (device_create_file(&pdev->dev,
988 &abituguru3_sysfs_attr[i].dev_attr))
989 goto abituguru3_probe_error;
990
991 data->hwmon_dev = hwmon_device_register(&pdev->dev);
992 if (IS_ERR(data->hwmon_dev)) {
993 res = PTR_ERR(data->hwmon_dev);
994 goto abituguru3_probe_error;
995 }
996
997 return 0; /* success */
998
999 abituguru3_probe_error:
1000 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1001 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1002 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1003 device_remove_file(&pdev->dev,
1004 &abituguru3_sysfs_attr[i].dev_attr);
1005 kfree(data);
1006 return res;
1007 }
1008
1009 static int __devexit abituguru3_remove(struct platform_device *pdev)
1010 {
1011 int i;
1012 struct abituguru3_data *data = platform_get_drvdata(pdev);
1013
1014 platform_set_drvdata(pdev, NULL);
1015 hwmon_device_unregister(data->hwmon_dev);
1016 for (i = 0; data->sysfs_attr[i].dev_attr.attr.name; i++)
1017 device_remove_file(&pdev->dev, &data->sysfs_attr[i].dev_attr);
1018 for (i = 0; i < ARRAY_SIZE(abituguru3_sysfs_attr); i++)
1019 device_remove_file(&pdev->dev,
1020 &abituguru3_sysfs_attr[i].dev_attr);
1021 kfree(data);
1022
1023 return 0;
1024 }
1025
1026 static struct abituguru3_data *abituguru3_update_device(struct device *dev)
1027 {
1028 int i;
1029 struct abituguru3_data *data = dev_get_drvdata(dev);
1030
1031 mutex_lock(&data->update_lock);
1032 if (!data->valid || time_after(jiffies, data->last_updated + HZ)) {
1033 /* Clear data->valid while updating */
1034 data->valid = 0;
1035 /* Read alarms */
1036 if (abituguru3_read_increment_offset(data,
1037 ABIT_UGURU3_SETTINGS_BANK,
1038 ABIT_UGURU3_ALARMS_START,
1039 1, data->alarms, 48/8) != (48/8))
1040 goto LEAVE_UPDATE;
1041 /* Read in and temp sensors (3 byte settings / sensor) */
1042 for (i = 0; i < 32; i++) {
1043 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1044 ABIT_UGURU3_VALUES_START + i,
1045 1, &data->value[i]) != 1)
1046 goto LEAVE_UPDATE;
1047 if (abituguru3_read_increment_offset(data,
1048 ABIT_UGURU3_SETTINGS_BANK,
1049 ABIT_UGURU3_SETTINGS_START + i * 3,
1050 1,
1051 data->settings[i], 3) != 3)
1052 goto LEAVE_UPDATE;
1053 }
1054 /* Read temp sensors (2 byte settings / sensor) */
1055 for (i = 0; i < 16; i++) {
1056 if (abituguru3_read(data, ABIT_UGURU3_SENSORS_BANK,
1057 ABIT_UGURU3_VALUES_START + 32 + i,
1058 1, &data->value[32 + i]) != 1)
1059 goto LEAVE_UPDATE;
1060 if (abituguru3_read_increment_offset(data,
1061 ABIT_UGURU3_SETTINGS_BANK,
1062 ABIT_UGURU3_SETTINGS_START + 32 * 3 +
1063 i * 2, 1,
1064 data->settings[32 + i], 2) != 2)
1065 goto LEAVE_UPDATE;
1066 }
1067 data->last_updated = jiffies;
1068 data->valid = 1;
1069 }
1070 LEAVE_UPDATE:
1071 mutex_unlock(&data->update_lock);
1072 if (data->valid)
1073 return data;
1074 else
1075 return NULL;
1076 }
1077
1078 #ifdef CONFIG_PM
1079 static int abituguru3_suspend(struct platform_device *pdev, pm_message_t state)
1080 {
1081 struct abituguru3_data *data = platform_get_drvdata(pdev);
1082 /* make sure all communications with the uguru3 are done and no new
1083 ones are started */
1084 mutex_lock(&data->update_lock);
1085 return 0;
1086 }
1087
1088 static int abituguru3_resume(struct platform_device *pdev)
1089 {
1090 struct abituguru3_data *data = platform_get_drvdata(pdev);
1091 mutex_unlock(&data->update_lock);
1092 return 0;
1093 }
1094 #else
1095 #define abituguru3_suspend NULL
1096 #define abituguru3_resume NULL
1097 #endif /* CONFIG_PM */
1098
1099 static struct platform_driver abituguru3_driver = {
1100 .driver = {
1101 .owner = THIS_MODULE,
1102 .name = ABIT_UGURU3_NAME,
1103 },
1104 .probe = abituguru3_probe,
1105 .remove = __devexit_p(abituguru3_remove),
1106 .suspend = abituguru3_suspend,
1107 .resume = abituguru3_resume
1108 };
1109
1110 static int __init abituguru3_detect(void)
1111 {
1112 /* See if there is an uguru3 there. An idle uGuru3 will hold 0x00 or
1113 0x08 at DATA and 0xAC at CMD. Sometimes the uGuru3 will hold 0x05
1114 at CMD instead, why is unknown. So we test for 0x05 too. */
1115 u8 data_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_DATA);
1116 u8 cmd_val = inb_p(ABIT_UGURU3_BASE + ABIT_UGURU3_CMD);
1117 if (((data_val == 0x00) || (data_val == 0x08)) &&
1118 ((cmd_val == 0xAC) || (cmd_val == 0x05)))
1119 return ABIT_UGURU3_BASE;
1120
1121 ABIT_UGURU3_DEBUG("no Abit uGuru3 found, data = 0x%02X, cmd = "
1122 "0x%02X\n", (unsigned int)data_val, (unsigned int)cmd_val);
1123
1124 if (force) {
1125 printk(KERN_INFO ABIT_UGURU3_NAME ": Assuming Abit uGuru3 is "
1126 "present because of \"force\" parameter\n");
1127 return ABIT_UGURU3_BASE;
1128 }
1129
1130 /* No uGuru3 found */
1131 return -ENODEV;
1132 }
1133
1134 static struct platform_device *abituguru3_pdev;
1135
1136 static int __init abituguru3_init(void)
1137 {
1138 int address, err;
1139 struct resource res = { .flags = IORESOURCE_IO };
1140
1141 address = abituguru3_detect();
1142 if (address < 0)
1143 return address;
1144
1145 err = platform_driver_register(&abituguru3_driver);
1146 if (err)
1147 goto exit;
1148
1149 abituguru3_pdev = platform_device_alloc(ABIT_UGURU3_NAME, address);
1150 if (!abituguru3_pdev) {
1151 printk(KERN_ERR ABIT_UGURU3_NAME
1152 ": Device allocation failed\n");
1153 err = -ENOMEM;
1154 goto exit_driver_unregister;
1155 }
1156
1157 res.start = address;
1158 res.end = address + ABIT_UGURU3_REGION_LENGTH - 1;
1159 res.name = ABIT_UGURU3_NAME;
1160
1161 err = platform_device_add_resources(abituguru3_pdev, &res, 1);
1162 if (err) {
1163 printk(KERN_ERR ABIT_UGURU3_NAME
1164 ": Device resource addition failed (%d)\n", err);
1165 goto exit_device_put;
1166 }
1167
1168 err = platform_device_add(abituguru3_pdev);
1169 if (err) {
1170 printk(KERN_ERR ABIT_UGURU3_NAME
1171 ": Device addition failed (%d)\n", err);
1172 goto exit_device_put;
1173 }
1174
1175 return 0;
1176
1177 exit_device_put:
1178 platform_device_put(abituguru3_pdev);
1179 exit_driver_unregister:
1180 platform_driver_unregister(&abituguru3_driver);
1181 exit:
1182 return err;
1183 }
1184
1185 static void __exit abituguru3_exit(void)
1186 {
1187 platform_device_unregister(abituguru3_pdev);
1188 platform_driver_unregister(&abituguru3_driver);
1189 }
1190
1191 MODULE_AUTHOR("Hans de Goede <j.w.r.degoede@hhs.nl>");
1192 MODULE_DESCRIPTION("Abit uGuru3 Sensor device");
1193 MODULE_LICENSE("GPL");
1194
1195 module_init(abituguru3_init);
1196 module_exit(abituguru3_exit);
Stable & featurefull patchset based on Linus's git branch