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9431996f | 1 | /* |
ea694431 JH |
2 | * dme1737.c - Driver for the SMSC DME1737, Asus A8000, SMSC SCH311x, SCH5027, |
3 | * and SCH5127 Super-I/O chips integrated hardware monitoring | |
4 | * features. | |
5 | * Copyright (c) 2007, 2008, 2009, 2010 Juerg Haefliger <juergh@gmail.com> | |
9431996f | 6 | * |
e95c237d | 7 | * This driver is an I2C/ISA hybrid, meaning that it uses the I2C bus to access |
549edb83 | 8 | * the chip registers if a DME1737, A8000, or SCH5027 is found and the ISA bus |
ea694431 JH |
9 | * if a SCH311x or SCH5127 chip is found. Both types of chips have very |
10 | * similar hardware monitoring capabilities but differ in the way they can be | |
11 | * accessed. | |
9431996f JH |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
26 | */ | |
27 | ||
9c6e13b4 JP |
28 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
29 | ||
9431996f JH |
30 | #include <linux/module.h> |
31 | #include <linux/init.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/jiffies.h> | |
34 | #include <linux/i2c.h> | |
e95c237d | 35 | #include <linux/platform_device.h> |
9431996f JH |
36 | #include <linux/hwmon.h> |
37 | #include <linux/hwmon-sysfs.h> | |
38 | #include <linux/hwmon-vid.h> | |
39 | #include <linux/err.h> | |
40 | #include <linux/mutex.h> | |
b9acb64a | 41 | #include <linux/acpi.h> |
6055fae8 | 42 | #include <linux/io.h> |
9431996f | 43 | |
e95c237d JH |
44 | /* ISA device, if found */ |
45 | static struct platform_device *pdev; | |
46 | ||
9431996f | 47 | /* Module load parameters */ |
90ab5ee9 | 48 | static bool force_start; |
9431996f JH |
49 | module_param(force_start, bool, 0); |
50 | MODULE_PARM_DESC(force_start, "Force the chip to start monitoring inputs"); | |
51 | ||
67b671bc JD |
52 | static unsigned short force_id; |
53 | module_param(force_id, ushort, 0); | |
54 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
55 | ||
90ab5ee9 | 56 | static bool probe_all_addr; |
92430b6f JH |
57 | module_param(probe_all_addr, bool, 0); |
58 | MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC " | |
59 | "addresses"); | |
60 | ||
9431996f | 61 | /* Addresses to scan */ |
25e9c86d | 62 | static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; |
9431996f | 63 | |
ea694431 | 64 | enum chips { dme1737, sch5027, sch311x, sch5127 }; |
9431996f JH |
65 | |
66 | /* --------------------------------------------------------------------- | |
67 | * Registers | |
68 | * | |
69 | * The sensors are defined as follows: | |
70 | * | |
71 | * Voltages Temperatures | |
72 | * -------- ------------ | |
73 | * in0 +5VTR (+5V stdby) temp1 Remote diode 1 | |
74 | * in1 Vccp (proc core) temp2 Internal temp | |
75 | * in2 VCC (internal +3.3V) temp3 Remote diode 2 | |
76 | * in3 +5V | |
77 | * in4 +12V | |
78 | * in5 VTR (+3.3V stby) | |
79 | * in6 Vbat | |
d4b94e1f | 80 | * in7 Vtrip (sch5127 only) |
9431996f JH |
81 | * |
82 | * --------------------------------------------------------------------- */ | |
83 | ||
d4b94e1f | 84 | /* Voltages (in) numbered 0-7 (ix) */ |
c8de8362 | 85 | #define DME1737_REG_IN(ix) ((ix) < 5 ? 0x20 + (ix) : \ |
d4b94e1f JH |
86 | (ix) < 7 ? 0x94 + (ix) : \ |
87 | 0x1f) | |
c8de8362 | 88 | #define DME1737_REG_IN_MIN(ix) ((ix) < 5 ? 0x44 + (ix) * 2 \ |
9431996f | 89 | : 0x91 + (ix) * 2) |
c8de8362 | 90 | #define DME1737_REG_IN_MAX(ix) ((ix) < 5 ? 0x45 + (ix) * 2 \ |
9431996f JH |
91 | : 0x92 + (ix) * 2) |
92 | ||
93 | /* Temperatures (temp) numbered 0-2 (ix) */ | |
94 | #define DME1737_REG_TEMP(ix) (0x25 + (ix)) | |
95 | #define DME1737_REG_TEMP_MIN(ix) (0x4e + (ix) * 2) | |
96 | #define DME1737_REG_TEMP_MAX(ix) (0x4f + (ix) * 2) | |
97 | #define DME1737_REG_TEMP_OFFSET(ix) ((ix) == 0 ? 0x1f \ | |
98 | : 0x1c + (ix)) | |
99 | ||
c8de8362 GR |
100 | /* |
101 | * Voltage and temperature LSBs | |
9431996f JH |
102 | * The LSBs (4 bits each) are stored in 5 registers with the following layouts: |
103 | * IN_TEMP_LSB(0) = [in5, in6] | |
104 | * IN_TEMP_LSB(1) = [temp3, temp1] | |
105 | * IN_TEMP_LSB(2) = [in4, temp2] | |
106 | * IN_TEMP_LSB(3) = [in3, in0] | |
d4b94e1f | 107 | * IN_TEMP_LSB(4) = [in2, in1] |
c8de8362 GR |
108 | * IN_TEMP_LSB(5) = [res, in7] |
109 | */ | |
9431996f | 110 | #define DME1737_REG_IN_TEMP_LSB(ix) (0x84 + (ix)) |
d4b94e1f JH |
111 | static const u8 DME1737_REG_IN_LSB[] = {3, 4, 4, 3, 2, 0, 0, 5}; |
112 | static const u8 DME1737_REG_IN_LSB_SHL[] = {4, 4, 0, 0, 0, 0, 4, 4}; | |
9431996f JH |
113 | static const u8 DME1737_REG_TEMP_LSB[] = {1, 2, 1}; |
114 | static const u8 DME1737_REG_TEMP_LSB_SHL[] = {4, 4, 0}; | |
115 | ||
116 | /* Fans numbered 0-5 (ix) */ | |
117 | #define DME1737_REG_FAN(ix) ((ix) < 4 ? 0x28 + (ix) * 2 \ | |
118 | : 0xa1 + (ix) * 2) | |
119 | #define DME1737_REG_FAN_MIN(ix) ((ix) < 4 ? 0x54 + (ix) * 2 \ | |
120 | : 0xa5 + (ix) * 2) | |
121 | #define DME1737_REG_FAN_OPT(ix) ((ix) < 4 ? 0x90 + (ix) \ | |
122 | : 0xb2 + (ix)) | |
123 | #define DME1737_REG_FAN_MAX(ix) (0xb4 + (ix)) /* only for fan[4-5] */ | |
124 | ||
125 | /* PWMs numbered 0-2, 4-5 (ix) */ | |
126 | #define DME1737_REG_PWM(ix) ((ix) < 3 ? 0x30 + (ix) \ | |
127 | : 0xa1 + (ix)) | |
128 | #define DME1737_REG_PWM_CONFIG(ix) (0x5c + (ix)) /* only for pwm[0-2] */ | |
129 | #define DME1737_REG_PWM_MIN(ix) (0x64 + (ix)) /* only for pwm[0-2] */ | |
130 | #define DME1737_REG_PWM_FREQ(ix) ((ix) < 3 ? 0x5f + (ix) \ | |
131 | : 0xa3 + (ix)) | |
c8de8362 GR |
132 | /* |
133 | * The layout of the ramp rate registers is different from the other pwm | |
9431996f JH |
134 | * registers. The bits for the 3 PWMs are stored in 2 registers: |
135 | * PWM_RR(0) = [OFF3, OFF2, OFF1, RES, RR1E, RR1-2, RR1-1, RR1-0] | |
c8de8362 GR |
136 | * PWM_RR(1) = [RR2E, RR2-2, RR2-1, RR2-0, RR3E, RR3-2, RR3-1, RR3-0] |
137 | */ | |
9431996f JH |
138 | #define DME1737_REG_PWM_RR(ix) (0x62 + (ix)) /* only for pwm[0-2] */ |
139 | ||
140 | /* Thermal zones 0-2 */ | |
141 | #define DME1737_REG_ZONE_LOW(ix) (0x67 + (ix)) | |
142 | #define DME1737_REG_ZONE_ABS(ix) (0x6a + (ix)) | |
c8de8362 GR |
143 | /* |
144 | * The layout of the hysteresis registers is different from the other zone | |
9431996f JH |
145 | * registers. The bits for the 3 zones are stored in 2 registers: |
146 | * ZONE_HYST(0) = [H1-3, H1-2, H1-1, H1-0, H2-3, H2-2, H2-1, H2-0] | |
c8de8362 GR |
147 | * ZONE_HYST(1) = [H3-3, H3-2, H3-1, H3-0, RES, RES, RES, RES] |
148 | */ | |
9431996f JH |
149 | #define DME1737_REG_ZONE_HYST(ix) (0x6d + (ix)) |
150 | ||
c8de8362 GR |
151 | /* |
152 | * Alarm registers and bit mapping | |
9431996f | 153 | * The 3 8-bit alarm registers will be concatenated to a single 32-bit |
c8de8362 GR |
154 | * alarm value [0, ALARM3, ALARM2, ALARM1]. |
155 | */ | |
9431996f JH |
156 | #define DME1737_REG_ALARM1 0x41 |
157 | #define DME1737_REG_ALARM2 0x42 | |
158 | #define DME1737_REG_ALARM3 0x83 | |
d4b94e1f | 159 | static const u8 DME1737_BIT_ALARM_IN[] = {0, 1, 2, 3, 8, 16, 17, 18}; |
9431996f JH |
160 | static const u8 DME1737_BIT_ALARM_TEMP[] = {4, 5, 6}; |
161 | static const u8 DME1737_BIT_ALARM_FAN[] = {10, 11, 12, 13, 22, 23}; | |
162 | ||
163 | /* Miscellaneous registers */ | |
e95c237d | 164 | #define DME1737_REG_DEVICE 0x3d |
9431996f JH |
165 | #define DME1737_REG_COMPANY 0x3e |
166 | #define DME1737_REG_VERSTEP 0x3f | |
167 | #define DME1737_REG_CONFIG 0x40 | |
168 | #define DME1737_REG_CONFIG2 0x7f | |
169 | #define DME1737_REG_VID 0x43 | |
170 | #define DME1737_REG_TACH_PWM 0x81 | |
171 | ||
172 | /* --------------------------------------------------------------------- | |
173 | * Misc defines | |
174 | * --------------------------------------------------------------------- */ | |
175 | ||
176 | /* Chip identification */ | |
177 | #define DME1737_COMPANY_SMSC 0x5c | |
178 | #define DME1737_VERSTEP 0x88 | |
179 | #define DME1737_VERSTEP_MASK 0xf8 | |
e95c237d | 180 | #define SCH311X_DEVICE 0x8c |
549edb83 | 181 | #define SCH5027_VERSTEP 0x69 |
ea694431 JH |
182 | #define SCH5127_DEVICE 0x8e |
183 | ||
184 | /* Device ID values (global configuration register index 0x20) */ | |
185 | #define DME1737_ID_1 0x77 | |
186 | #define DME1737_ID_2 0x78 | |
187 | #define SCH3112_ID 0x7c | |
188 | #define SCH3114_ID 0x7d | |
189 | #define SCH3116_ID 0x7f | |
190 | #define SCH5027_ID 0x89 | |
191 | #define SCH5127_ID 0x86 | |
e95c237d JH |
192 | |
193 | /* Length of ISA address segment */ | |
194 | #define DME1737_EXTENT 2 | |
9431996f | 195 | |
ea694431 JH |
196 | /* chip-dependent features */ |
197 | #define HAS_TEMP_OFFSET (1 << 0) /* bit 0 */ | |
198 | #define HAS_VID (1 << 1) /* bit 1 */ | |
199 | #define HAS_ZONE3 (1 << 2) /* bit 2 */ | |
200 | #define HAS_ZONE_HYST (1 << 3) /* bit 3 */ | |
201 | #define HAS_PWM_MIN (1 << 4) /* bit 4 */ | |
202 | #define HAS_FAN(ix) (1 << ((ix) + 5)) /* bits 5-10 */ | |
203 | #define HAS_PWM(ix) (1 << ((ix) + 11)) /* bits 11-16 */ | |
d4b94e1f | 204 | #define HAS_IN7 (1 << 17) /* bit 17 */ |
ea694431 | 205 | |
9431996f JH |
206 | /* --------------------------------------------------------------------- |
207 | * Data structures and manipulation thereof | |
208 | * --------------------------------------------------------------------- */ | |
209 | ||
210 | struct dme1737_data { | |
dbc2bc25 | 211 | struct i2c_client *client; /* for I2C devices only */ |
1beeffe4 | 212 | struct device *hwmon_dev; |
dbc2bc25 JD |
213 | const char *name; |
214 | unsigned int addr; /* for ISA devices only */ | |
9431996f JH |
215 | |
216 | struct mutex update_lock; | |
217 | int valid; /* !=0 if following fields are valid */ | |
218 | unsigned long last_update; /* in jiffies */ | |
219 | unsigned long last_vbat; /* in jiffies */ | |
f994fb23 | 220 | enum chips type; |
549edb83 | 221 | const int *in_nominal; /* pointer to IN_NOMINAL array */ |
9431996f JH |
222 | |
223 | u8 vid; | |
224 | u8 pwm_rr_en; | |
ea694431 | 225 | u32 has_features; |
9431996f JH |
226 | |
227 | /* Register values */ | |
d4b94e1f JH |
228 | u16 in[8]; |
229 | u8 in_min[8]; | |
230 | u8 in_max[8]; | |
9431996f JH |
231 | s16 temp[3]; |
232 | s8 temp_min[3]; | |
233 | s8 temp_max[3]; | |
234 | s8 temp_offset[3]; | |
235 | u8 config; | |
236 | u8 config2; | |
237 | u8 vrm; | |
238 | u16 fan[6]; | |
239 | u16 fan_min[6]; | |
240 | u8 fan_max[2]; | |
241 | u8 fan_opt[6]; | |
242 | u8 pwm[6]; | |
243 | u8 pwm_min[3]; | |
244 | u8 pwm_config[3]; | |
245 | u8 pwm_acz[3]; | |
246 | u8 pwm_freq[6]; | |
247 | u8 pwm_rr[2]; | |
248 | u8 zone_low[3]; | |
249 | u8 zone_abs[3]; | |
250 | u8 zone_hyst[2]; | |
251 | u32 alarms; | |
252 | }; | |
253 | ||
254 | /* Nominal voltage values */ | |
f994fb23 JH |
255 | static const int IN_NOMINAL_DME1737[] = {5000, 2250, 3300, 5000, 12000, 3300, |
256 | 3300}; | |
257 | static const int IN_NOMINAL_SCH311x[] = {2500, 1500, 3300, 5000, 12000, 3300, | |
258 | 3300}; | |
549edb83 JH |
259 | static const int IN_NOMINAL_SCH5027[] = {5000, 2250, 3300, 1125, 1125, 3300, |
260 | 3300}; | |
ea694431 | 261 | static const int IN_NOMINAL_SCH5127[] = {2500, 2250, 3300, 1125, 1125, 3300, |
d4b94e1f | 262 | 3300, 1500}; |
549edb83 JH |
263 | #define IN_NOMINAL(type) ((type) == sch311x ? IN_NOMINAL_SCH311x : \ |
264 | (type) == sch5027 ? IN_NOMINAL_SCH5027 : \ | |
ea694431 | 265 | (type) == sch5127 ? IN_NOMINAL_SCH5127 : \ |
549edb83 | 266 | IN_NOMINAL_DME1737) |
9431996f | 267 | |
c8de8362 GR |
268 | /* |
269 | * Voltage input | |
9431996f | 270 | * Voltage inputs have 16 bits resolution, limit values have 8 bits |
c8de8362 GR |
271 | * resolution. |
272 | */ | |
549edb83 | 273 | static inline int IN_FROM_REG(int reg, int nominal, int res) |
9431996f | 274 | { |
549edb83 | 275 | return (reg * nominal + (3 << (res - 3))) / (3 << (res - 2)); |
9431996f JH |
276 | } |
277 | ||
549edb83 | 278 | static inline int IN_TO_REG(int val, int nominal) |
9431996f | 279 | { |
2a844c14 | 280 | return clamp_val((val * 192 + nominal / 2) / nominal, 0, 255); |
9431996f JH |
281 | } |
282 | ||
c8de8362 GR |
283 | /* |
284 | * Temperature input | |
9431996f JH |
285 | * The register values represent temperatures in 2's complement notation from |
286 | * -127 degrees C to +127 degrees C. Temp inputs have 16 bits resolution, limit | |
c8de8362 GR |
287 | * values have 8 bits resolution. |
288 | */ | |
9431996f JH |
289 | static inline int TEMP_FROM_REG(int reg, int res) |
290 | { | |
291 | return (reg * 1000) >> (res - 8); | |
292 | } | |
293 | ||
294 | static inline int TEMP_TO_REG(int val) | |
295 | { | |
2a844c14 | 296 | return clamp_val((val < 0 ? val - 500 : val + 500) / 1000, -128, 127); |
9431996f JH |
297 | } |
298 | ||
299 | /* Temperature range */ | |
300 | static const int TEMP_RANGE[] = {2000, 2500, 3333, 4000, 5000, 6666, 8000, | |
301 | 10000, 13333, 16000, 20000, 26666, 32000, | |
302 | 40000, 53333, 80000}; | |
303 | ||
304 | static inline int TEMP_RANGE_FROM_REG(int reg) | |
305 | { | |
306 | return TEMP_RANGE[(reg >> 4) & 0x0f]; | |
307 | } | |
308 | ||
309 | static int TEMP_RANGE_TO_REG(int val, int reg) | |
310 | { | |
311 | int i; | |
312 | ||
313 | for (i = 15; i > 0; i--) { | |
c8de8362 | 314 | if (val > (TEMP_RANGE[i] + TEMP_RANGE[i - 1] + 1) / 2) |
9431996f | 315 | break; |
9431996f JH |
316 | } |
317 | ||
318 | return (reg & 0x0f) | (i << 4); | |
319 | } | |
320 | ||
c8de8362 GR |
321 | /* |
322 | * Temperature hysteresis | |
9431996f JH |
323 | * Register layout: |
324 | * reg[0] = [H1-3, H1-2, H1-1, H1-0, H2-3, H2-2, H2-1, H2-0] | |
c8de8362 GR |
325 | * reg[1] = [H3-3, H3-2, H3-1, H3-0, xxxx, xxxx, xxxx, xxxx] |
326 | */ | |
9431996f JH |
327 | static inline int TEMP_HYST_FROM_REG(int reg, int ix) |
328 | { | |
329 | return (((ix == 1) ? reg : reg >> 4) & 0x0f) * 1000; | |
330 | } | |
331 | ||
332 | static inline int TEMP_HYST_TO_REG(int val, int ix, int reg) | |
333 | { | |
2a844c14 | 334 | int hyst = clamp_val((val + 500) / 1000, 0, 15); |
9431996f JH |
335 | |
336 | return (ix == 1) ? (reg & 0xf0) | hyst : (reg & 0x0f) | (hyst << 4); | |
337 | } | |
338 | ||
339 | /* Fan input RPM */ | |
340 | static inline int FAN_FROM_REG(int reg, int tpc) | |
341 | { | |
c8de8362 | 342 | if (tpc) |
ff8421f7 | 343 | return tpc * reg; |
c8de8362 | 344 | else |
ff8421f7 | 345 | return (reg == 0 || reg == 0xffff) ? 0 : 90000 * 60 / reg; |
9431996f JH |
346 | } |
347 | ||
348 | static inline int FAN_TO_REG(int val, int tpc) | |
349 | { | |
ff8421f7 | 350 | if (tpc) { |
2a844c14 | 351 | return clamp_val(val / tpc, 0, 0xffff); |
ff8421f7 JH |
352 | } else { |
353 | return (val <= 0) ? 0xffff : | |
2a844c14 | 354 | clamp_val(90000 * 60 / val, 0, 0xfffe); |
ff8421f7 | 355 | } |
9431996f JH |
356 | } |
357 | ||
c8de8362 GR |
358 | /* |
359 | * Fan TPC (tach pulse count) | |
9431996f | 360 | * Converts a register value to a TPC multiplier or returns 0 if the tachometer |
c8de8362 GR |
361 | * is configured in legacy (non-tpc) mode |
362 | */ | |
9431996f JH |
363 | static inline int FAN_TPC_FROM_REG(int reg) |
364 | { | |
365 | return (reg & 0x20) ? 0 : 60 >> (reg & 0x03); | |
366 | } | |
367 | ||
c8de8362 GR |
368 | /* |
369 | * Fan type | |
9431996f | 370 | * The type of a fan is expressed in number of pulses-per-revolution that it |
c8de8362 GR |
371 | * emits |
372 | */ | |
9431996f JH |
373 | static inline int FAN_TYPE_FROM_REG(int reg) |
374 | { | |
375 | int edge = (reg >> 1) & 0x03; | |
376 | ||
377 | return (edge > 0) ? 1 << (edge - 1) : 0; | |
378 | } | |
379 | ||
380 | static inline int FAN_TYPE_TO_REG(int val, int reg) | |
381 | { | |
382 | int edge = (val == 4) ? 3 : val; | |
383 | ||
384 | return (reg & 0xf9) | (edge << 1); | |
385 | } | |
386 | ||
387 | /* Fan max RPM */ | |
388 | static const int FAN_MAX[] = {0x54, 0x38, 0x2a, 0x21, 0x1c, 0x18, 0x15, 0x12, | |
389 | 0x11, 0x0f, 0x0e}; | |
390 | ||
391 | static int FAN_MAX_FROM_REG(int reg) | |
392 | { | |
393 | int i; | |
394 | ||
395 | for (i = 10; i > 0; i--) { | |
c8de8362 | 396 | if (reg == FAN_MAX[i]) |
9431996f | 397 | break; |
9431996f JH |
398 | } |
399 | ||
400 | return 1000 + i * 500; | |
401 | } | |
402 | ||
403 | static int FAN_MAX_TO_REG(int val) | |
404 | { | |
405 | int i; | |
406 | ||
407 | for (i = 10; i > 0; i--) { | |
c8de8362 | 408 | if (val > (1000 + (i - 1) * 500)) |
9431996f | 409 | break; |
9431996f JH |
410 | } |
411 | ||
412 | return FAN_MAX[i]; | |
413 | } | |
414 | ||
c8de8362 GR |
415 | /* |
416 | * PWM enable | |
9431996f JH |
417 | * Register to enable mapping: |
418 | * 000: 2 fan on zone 1 auto | |
419 | * 001: 2 fan on zone 2 auto | |
420 | * 010: 2 fan on zone 3 auto | |
421 | * 011: 0 fan full on | |
422 | * 100: -1 fan disabled | |
423 | * 101: 2 fan on hottest of zones 2,3 auto | |
424 | * 110: 2 fan on hottest of zones 1,2,3 auto | |
c8de8362 GR |
425 | * 111: 1 fan in manual mode |
426 | */ | |
9431996f JH |
427 | static inline int PWM_EN_FROM_REG(int reg) |
428 | { | |
429 | static const int en[] = {2, 2, 2, 0, -1, 2, 2, 1}; | |
430 | ||
431 | return en[(reg >> 5) & 0x07]; | |
432 | } | |
433 | ||
434 | static inline int PWM_EN_TO_REG(int val, int reg) | |
435 | { | |
436 | int en = (val == 1) ? 7 : 3; | |
437 | ||
438 | return (reg & 0x1f) | ((en & 0x07) << 5); | |
439 | } | |
440 | ||
c8de8362 GR |
441 | /* |
442 | * PWM auto channels zone | |
9431996f JH |
443 | * Register to auto channels zone mapping (ACZ is a bitfield with bit x |
444 | * corresponding to zone x+1): | |
445 | * 000: 001 fan on zone 1 auto | |
446 | * 001: 010 fan on zone 2 auto | |
447 | * 010: 100 fan on zone 3 auto | |
448 | * 011: 000 fan full on | |
449 | * 100: 000 fan disabled | |
450 | * 101: 110 fan on hottest of zones 2,3 auto | |
451 | * 110: 111 fan on hottest of zones 1,2,3 auto | |
c8de8362 GR |
452 | * 111: 000 fan in manual mode |
453 | */ | |
9431996f JH |
454 | static inline int PWM_ACZ_FROM_REG(int reg) |
455 | { | |
456 | static const int acz[] = {1, 2, 4, 0, 0, 6, 7, 0}; | |
457 | ||
458 | return acz[(reg >> 5) & 0x07]; | |
459 | } | |
460 | ||
461 | static inline int PWM_ACZ_TO_REG(int val, int reg) | |
462 | { | |
463 | int acz = (val == 4) ? 2 : val - 1; | |
464 | ||
465 | return (reg & 0x1f) | ((acz & 0x07) << 5); | |
466 | } | |
467 | ||
468 | /* PWM frequency */ | |
469 | static const int PWM_FREQ[] = {11, 15, 22, 29, 35, 44, 59, 88, | |
470 | 15000, 20000, 30000, 25000, 0, 0, 0, 0}; | |
471 | ||
472 | static inline int PWM_FREQ_FROM_REG(int reg) | |
473 | { | |
474 | return PWM_FREQ[reg & 0x0f]; | |
475 | } | |
476 | ||
477 | static int PWM_FREQ_TO_REG(int val, int reg) | |
478 | { | |
479 | int i; | |
480 | ||
481 | /* the first two cases are special - stupid chip design! */ | |
482 | if (val > 27500) { | |
483 | i = 10; | |
484 | } else if (val > 22500) { | |
485 | i = 11; | |
486 | } else { | |
487 | for (i = 9; i > 0; i--) { | |
c8de8362 | 488 | if (val > (PWM_FREQ[i] + PWM_FREQ[i - 1] + 1) / 2) |
9431996f | 489 | break; |
9431996f JH |
490 | } |
491 | } | |
492 | ||
493 | return (reg & 0xf0) | i; | |
494 | } | |
495 | ||
c8de8362 GR |
496 | /* |
497 | * PWM ramp rate | |
9431996f JH |
498 | * Register layout: |
499 | * reg[0] = [OFF3, OFF2, OFF1, RES, RR1-E, RR1-2, RR1-1, RR1-0] | |
c8de8362 GR |
500 | * reg[1] = [RR2-E, RR2-2, RR2-1, RR2-0, RR3-E, RR3-2, RR3-1, RR3-0] |
501 | */ | |
9431996f JH |
502 | static const u8 PWM_RR[] = {206, 104, 69, 41, 26, 18, 10, 5}; |
503 | ||
504 | static inline int PWM_RR_FROM_REG(int reg, int ix) | |
505 | { | |
506 | int rr = (ix == 1) ? reg >> 4 : reg; | |
507 | ||
508 | return (rr & 0x08) ? PWM_RR[rr & 0x07] : 0; | |
509 | } | |
510 | ||
511 | static int PWM_RR_TO_REG(int val, int ix, int reg) | |
512 | { | |
513 | int i; | |
514 | ||
515 | for (i = 0; i < 7; i++) { | |
c8de8362 | 516 | if (val > (PWM_RR[i] + PWM_RR[i + 1] + 1) / 2) |
9431996f | 517 | break; |
9431996f JH |
518 | } |
519 | ||
520 | return (ix == 1) ? (reg & 0x8f) | (i << 4) : (reg & 0xf8) | i; | |
521 | } | |
522 | ||
523 | /* PWM ramp rate enable */ | |
524 | static inline int PWM_RR_EN_FROM_REG(int reg, int ix) | |
525 | { | |
526 | return PWM_RR_FROM_REG(reg, ix) ? 1 : 0; | |
527 | } | |
528 | ||
529 | static inline int PWM_RR_EN_TO_REG(int val, int ix, int reg) | |
530 | { | |
531 | int en = (ix == 1) ? 0x80 : 0x08; | |
532 | ||
533 | return val ? reg | en : reg & ~en; | |
534 | } | |
535 | ||
c8de8362 GR |
536 | /* |
537 | * PWM min/off | |
9431996f | 538 | * The PWM min/off bits are part of the PMW ramp rate register 0 (see above for |
c8de8362 GR |
539 | * the register layout). |
540 | */ | |
9431996f JH |
541 | static inline int PWM_OFF_FROM_REG(int reg, int ix) |
542 | { | |
543 | return (reg >> (ix + 5)) & 0x01; | |
544 | } | |
545 | ||
546 | static inline int PWM_OFF_TO_REG(int val, int ix, int reg) | |
547 | { | |
548 | return (reg & ~(1 << (ix + 5))) | ((val & 0x01) << (ix + 5)); | |
549 | } | |
550 | ||
551 | /* --------------------------------------------------------------------- | |
552 | * Device I/O access | |
e95c237d JH |
553 | * |
554 | * ISA access is performed through an index/data register pair and needs to | |
555 | * be protected by a mutex during runtime (not required for initialization). | |
556 | * We use data->update_lock for this and need to ensure that we acquire it | |
557 | * before calling dme1737_read or dme1737_write. | |
9431996f JH |
558 | * --------------------------------------------------------------------- */ |
559 | ||
dbc2bc25 | 560 | static u8 dme1737_read(const struct dme1737_data *data, u8 reg) |
9431996f | 561 | { |
dbc2bc25 | 562 | struct i2c_client *client = data->client; |
e95c237d | 563 | s32 val; |
9431996f | 564 | |
dbc2bc25 | 565 | if (client) { /* I2C device */ |
e95c237d JH |
566 | val = i2c_smbus_read_byte_data(client, reg); |
567 | ||
568 | if (val < 0) { | |
569 | dev_warn(&client->dev, "Read from register " | |
570 | "0x%02x failed! Please report to the driver " | |
571 | "maintainer.\n", reg); | |
572 | } | |
573 | } else { /* ISA device */ | |
dbc2bc25 JD |
574 | outb(reg, data->addr); |
575 | val = inb(data->addr + 1); | |
9431996f JH |
576 | } |
577 | ||
578 | return val; | |
579 | } | |
580 | ||
dbc2bc25 | 581 | static s32 dme1737_write(const struct dme1737_data *data, u8 reg, u8 val) |
9431996f | 582 | { |
dbc2bc25 | 583 | struct i2c_client *client = data->client; |
e95c237d JH |
584 | s32 res = 0; |
585 | ||
dbc2bc25 | 586 | if (client) { /* I2C device */ |
e95c237d | 587 | res = i2c_smbus_write_byte_data(client, reg, val); |
9431996f | 588 | |
e95c237d JH |
589 | if (res < 0) { |
590 | dev_warn(&client->dev, "Write to register " | |
591 | "0x%02x failed! Please report to the driver " | |
592 | "maintainer.\n", reg); | |
593 | } | |
594 | } else { /* ISA device */ | |
dbc2bc25 JD |
595 | outb(reg, data->addr); |
596 | outb(val, data->addr + 1); | |
9431996f JH |
597 | } |
598 | ||
599 | return res; | |
600 | } | |
601 | ||
602 | static struct dme1737_data *dme1737_update_device(struct device *dev) | |
603 | { | |
b237eb25 | 604 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f | 605 | int ix; |
d4b94e1f | 606 | u8 lsb[6]; |
9431996f JH |
607 | |
608 | mutex_lock(&data->update_lock); | |
609 | ||
610 | /* Enable a Vbat monitoring cycle every 10 mins */ | |
611 | if (time_after(jiffies, data->last_vbat + 600 * HZ) || !data->valid) { | |
dbc2bc25 | 612 | dme1737_write(data, DME1737_REG_CONFIG, dme1737_read(data, |
9431996f JH |
613 | DME1737_REG_CONFIG) | 0x10); |
614 | data->last_vbat = jiffies; | |
615 | } | |
616 | ||
617 | /* Sample register contents every 1 sec */ | |
618 | if (time_after(jiffies, data->last_update + HZ) || !data->valid) { | |
ea694431 | 619 | if (data->has_features & HAS_VID) { |
dbc2bc25 | 620 | data->vid = dme1737_read(data, DME1737_REG_VID) & |
549edb83 JH |
621 | 0x3f; |
622 | } | |
9431996f JH |
623 | |
624 | /* In (voltage) registers */ | |
625 | for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) { | |
c8de8362 GR |
626 | /* |
627 | * Voltage inputs are stored as 16 bit values even | |
9431996f | 628 | * though they have only 12 bits resolution. This is |
c8de8362 GR |
629 | * to make it consistent with the temp inputs. |
630 | */ | |
631 | if (ix == 7 && !(data->has_features & HAS_IN7)) | |
d4b94e1f | 632 | continue; |
dbc2bc25 | 633 | data->in[ix] = dme1737_read(data, |
9431996f | 634 | DME1737_REG_IN(ix)) << 8; |
dbc2bc25 | 635 | data->in_min[ix] = dme1737_read(data, |
9431996f | 636 | DME1737_REG_IN_MIN(ix)); |
dbc2bc25 | 637 | data->in_max[ix] = dme1737_read(data, |
9431996f JH |
638 | DME1737_REG_IN_MAX(ix)); |
639 | } | |
640 | ||
641 | /* Temp registers */ | |
642 | for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) { | |
c8de8362 GR |
643 | /* |
644 | * Temp inputs are stored as 16 bit values even | |
9431996f JH |
645 | * though they have only 12 bits resolution. This is |
646 | * to take advantage of implicit conversions between | |
647 | * register values (2's complement) and temp values | |
c8de8362 GR |
648 | * (signed decimal). |
649 | */ | |
dbc2bc25 | 650 | data->temp[ix] = dme1737_read(data, |
9431996f | 651 | DME1737_REG_TEMP(ix)) << 8; |
dbc2bc25 | 652 | data->temp_min[ix] = dme1737_read(data, |
9431996f | 653 | DME1737_REG_TEMP_MIN(ix)); |
dbc2bc25 | 654 | data->temp_max[ix] = dme1737_read(data, |
9431996f | 655 | DME1737_REG_TEMP_MAX(ix)); |
ea694431 | 656 | if (data->has_features & HAS_TEMP_OFFSET) { |
dbc2bc25 | 657 | data->temp_offset[ix] = dme1737_read(data, |
549edb83 JH |
658 | DME1737_REG_TEMP_OFFSET(ix)); |
659 | } | |
9431996f JH |
660 | } |
661 | ||
c8de8362 GR |
662 | /* |
663 | * In and temp LSB registers | |
9431996f JH |
664 | * The LSBs are latched when the MSBs are read, so the order in |
665 | * which the registers are read (MSB first, then LSB) is | |
c8de8362 GR |
666 | * important! |
667 | */ | |
9431996f | 668 | for (ix = 0; ix < ARRAY_SIZE(lsb); ix++) { |
c8de8362 | 669 | if (ix == 5 && !(data->has_features & HAS_IN7)) |
d4b94e1f | 670 | continue; |
dbc2bc25 | 671 | lsb[ix] = dme1737_read(data, |
9431996f JH |
672 | DME1737_REG_IN_TEMP_LSB(ix)); |
673 | } | |
674 | for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) { | |
c8de8362 | 675 | if (ix == 7 && !(data->has_features & HAS_IN7)) |
d4b94e1f | 676 | continue; |
9431996f JH |
677 | data->in[ix] |= (lsb[DME1737_REG_IN_LSB[ix]] << |
678 | DME1737_REG_IN_LSB_SHL[ix]) & 0xf0; | |
679 | } | |
680 | for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) { | |
681 | data->temp[ix] |= (lsb[DME1737_REG_TEMP_LSB[ix]] << | |
682 | DME1737_REG_TEMP_LSB_SHL[ix]) & 0xf0; | |
683 | } | |
684 | ||
685 | /* Fan registers */ | |
686 | for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) { | |
c8de8362 GR |
687 | /* |
688 | * Skip reading registers if optional fans are not | |
689 | * present | |
690 | */ | |
691 | if (!(data->has_features & HAS_FAN(ix))) | |
9431996f | 692 | continue; |
dbc2bc25 | 693 | data->fan[ix] = dme1737_read(data, |
9431996f | 694 | DME1737_REG_FAN(ix)); |
dbc2bc25 | 695 | data->fan[ix] |= dme1737_read(data, |
9431996f | 696 | DME1737_REG_FAN(ix) + 1) << 8; |
dbc2bc25 | 697 | data->fan_min[ix] = dme1737_read(data, |
9431996f | 698 | DME1737_REG_FAN_MIN(ix)); |
dbc2bc25 | 699 | data->fan_min[ix] |= dme1737_read(data, |
9431996f | 700 | DME1737_REG_FAN_MIN(ix) + 1) << 8; |
dbc2bc25 | 701 | data->fan_opt[ix] = dme1737_read(data, |
9431996f JH |
702 | DME1737_REG_FAN_OPT(ix)); |
703 | /* fan_max exists only for fan[5-6] */ | |
704 | if (ix > 3) { | |
dbc2bc25 | 705 | data->fan_max[ix - 4] = dme1737_read(data, |
9431996f JH |
706 | DME1737_REG_FAN_MAX(ix)); |
707 | } | |
708 | } | |
709 | ||
710 | /* PWM registers */ | |
711 | for (ix = 0; ix < ARRAY_SIZE(data->pwm); ix++) { | |
c8de8362 GR |
712 | /* |
713 | * Skip reading registers if optional PWMs are not | |
714 | * present | |
715 | */ | |
716 | if (!(data->has_features & HAS_PWM(ix))) | |
9431996f | 717 | continue; |
dbc2bc25 | 718 | data->pwm[ix] = dme1737_read(data, |
9431996f | 719 | DME1737_REG_PWM(ix)); |
dbc2bc25 | 720 | data->pwm_freq[ix] = dme1737_read(data, |
9431996f JH |
721 | DME1737_REG_PWM_FREQ(ix)); |
722 | /* pwm_config and pwm_min exist only for pwm[1-3] */ | |
723 | if (ix < 3) { | |
dbc2bc25 | 724 | data->pwm_config[ix] = dme1737_read(data, |
9431996f | 725 | DME1737_REG_PWM_CONFIG(ix)); |
dbc2bc25 | 726 | data->pwm_min[ix] = dme1737_read(data, |
9431996f JH |
727 | DME1737_REG_PWM_MIN(ix)); |
728 | } | |
729 | } | |
730 | for (ix = 0; ix < ARRAY_SIZE(data->pwm_rr); ix++) { | |
dbc2bc25 | 731 | data->pwm_rr[ix] = dme1737_read(data, |
9431996f JH |
732 | DME1737_REG_PWM_RR(ix)); |
733 | } | |
734 | ||
735 | /* Thermal zone registers */ | |
736 | for (ix = 0; ix < ARRAY_SIZE(data->zone_low); ix++) { | |
ea694431 | 737 | /* Skip reading registers if zone3 is not present */ |
c8de8362 | 738 | if ((ix == 2) && !(data->has_features & HAS_ZONE3)) |
ea694431 | 739 | continue; |
ea694431 JH |
740 | /* sch5127 zone2 registers are special */ |
741 | if ((ix == 1) && (data->type == sch5127)) { | |
742 | data->zone_low[1] = dme1737_read(data, | |
743 | DME1737_REG_ZONE_LOW(2)); | |
744 | data->zone_abs[1] = dme1737_read(data, | |
745 | DME1737_REG_ZONE_ABS(2)); | |
746 | } else { | |
747 | data->zone_low[ix] = dme1737_read(data, | |
748 | DME1737_REG_ZONE_LOW(ix)); | |
749 | data->zone_abs[ix] = dme1737_read(data, | |
750 | DME1737_REG_ZONE_ABS(ix)); | |
751 | } | |
9431996f | 752 | } |
ea694431 | 753 | if (data->has_features & HAS_ZONE_HYST) { |
549edb83 | 754 | for (ix = 0; ix < ARRAY_SIZE(data->zone_hyst); ix++) { |
dbc2bc25 | 755 | data->zone_hyst[ix] = dme1737_read(data, |
9431996f | 756 | DME1737_REG_ZONE_HYST(ix)); |
549edb83 | 757 | } |
9431996f JH |
758 | } |
759 | ||
760 | /* Alarm registers */ | |
dbc2bc25 | 761 | data->alarms = dme1737_read(data, |
9431996f | 762 | DME1737_REG_ALARM1); |
c8de8362 GR |
763 | /* |
764 | * Bit 7 tells us if the other alarm registers are non-zero and | |
765 | * therefore also need to be read | |
766 | */ | |
9431996f | 767 | if (data->alarms & 0x80) { |
dbc2bc25 | 768 | data->alarms |= dme1737_read(data, |
9431996f | 769 | DME1737_REG_ALARM2) << 8; |
dbc2bc25 | 770 | data->alarms |= dme1737_read(data, |
9431996f JH |
771 | DME1737_REG_ALARM3) << 16; |
772 | } | |
773 | ||
c8de8362 GR |
774 | /* |
775 | * The ISA chips require explicit clearing of alarm bits. | |
e95c237d | 776 | * Don't worry, an alarm will come back if the condition |
c8de8362 GR |
777 | * that causes it still exists |
778 | */ | |
dbc2bc25 | 779 | if (!data->client) { |
c8de8362 GR |
780 | if (data->alarms & 0xff0000) |
781 | dme1737_write(data, DME1737_REG_ALARM3, 0xff); | |
782 | if (data->alarms & 0xff00) | |
783 | dme1737_write(data, DME1737_REG_ALARM2, 0xff); | |
784 | if (data->alarms & 0xff) | |
785 | dme1737_write(data, DME1737_REG_ALARM1, 0xff); | |
e95c237d JH |
786 | } |
787 | ||
9431996f JH |
788 | data->last_update = jiffies; |
789 | data->valid = 1; | |
790 | } | |
791 | ||
792 | mutex_unlock(&data->update_lock); | |
793 | ||
794 | return data; | |
795 | } | |
796 | ||
797 | /* --------------------------------------------------------------------- | |
798 | * Voltage sysfs attributes | |
d4b94e1f | 799 | * ix = [0-7] |
9431996f JH |
800 | * --------------------------------------------------------------------- */ |
801 | ||
802 | #define SYS_IN_INPUT 0 | |
803 | #define SYS_IN_MIN 1 | |
804 | #define SYS_IN_MAX 2 | |
805 | #define SYS_IN_ALARM 3 | |
806 | ||
807 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
808 | char *buf) | |
809 | { | |
810 | struct dme1737_data *data = dme1737_update_device(dev); | |
811 | struct sensor_device_attribute_2 | |
812 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
813 | int ix = sensor_attr_2->index; | |
814 | int fn = sensor_attr_2->nr; | |
815 | int res; | |
816 | ||
817 | switch (fn) { | |
818 | case SYS_IN_INPUT: | |
549edb83 | 819 | res = IN_FROM_REG(data->in[ix], data->in_nominal[ix], 16); |
9431996f JH |
820 | break; |
821 | case SYS_IN_MIN: | |
549edb83 | 822 | res = IN_FROM_REG(data->in_min[ix], data->in_nominal[ix], 8); |
9431996f JH |
823 | break; |
824 | case SYS_IN_MAX: | |
549edb83 | 825 | res = IN_FROM_REG(data->in_max[ix], data->in_nominal[ix], 8); |
9431996f JH |
826 | break; |
827 | case SYS_IN_ALARM: | |
828 | res = (data->alarms >> DME1737_BIT_ALARM_IN[ix]) & 0x01; | |
829 | break; | |
830 | default: | |
831 | res = 0; | |
b237eb25 | 832 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
833 | } |
834 | ||
835 | return sprintf(buf, "%d\n", res); | |
836 | } | |
837 | ||
838 | static ssize_t set_in(struct device *dev, struct device_attribute *attr, | |
839 | const char *buf, size_t count) | |
840 | { | |
b237eb25 | 841 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f JH |
842 | struct sensor_device_attribute_2 |
843 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
844 | int ix = sensor_attr_2->index; | |
845 | int fn = sensor_attr_2->nr; | |
c8de8362 GR |
846 | long val; |
847 | int err; | |
848 | ||
849 | err = kstrtol(buf, 10, &val); | |
850 | if (err) | |
851 | return err; | |
9431996f JH |
852 | |
853 | mutex_lock(&data->update_lock); | |
854 | switch (fn) { | |
855 | case SYS_IN_MIN: | |
549edb83 | 856 | data->in_min[ix] = IN_TO_REG(val, data->in_nominal[ix]); |
dbc2bc25 | 857 | dme1737_write(data, DME1737_REG_IN_MIN(ix), |
9431996f JH |
858 | data->in_min[ix]); |
859 | break; | |
860 | case SYS_IN_MAX: | |
549edb83 | 861 | data->in_max[ix] = IN_TO_REG(val, data->in_nominal[ix]); |
dbc2bc25 | 862 | dme1737_write(data, DME1737_REG_IN_MAX(ix), |
9431996f JH |
863 | data->in_max[ix]); |
864 | break; | |
865 | default: | |
b237eb25 | 866 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
867 | } |
868 | mutex_unlock(&data->update_lock); | |
869 | ||
870 | return count; | |
871 | } | |
872 | ||
873 | /* --------------------------------------------------------------------- | |
874 | * Temperature sysfs attributes | |
875 | * ix = [0-2] | |
876 | * --------------------------------------------------------------------- */ | |
877 | ||
878 | #define SYS_TEMP_INPUT 0 | |
879 | #define SYS_TEMP_MIN 1 | |
880 | #define SYS_TEMP_MAX 2 | |
881 | #define SYS_TEMP_OFFSET 3 | |
882 | #define SYS_TEMP_ALARM 4 | |
883 | #define SYS_TEMP_FAULT 5 | |
884 | ||
885 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | |
886 | char *buf) | |
887 | { | |
888 | struct dme1737_data *data = dme1737_update_device(dev); | |
889 | struct sensor_device_attribute_2 | |
890 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
891 | int ix = sensor_attr_2->index; | |
892 | int fn = sensor_attr_2->nr; | |
893 | int res; | |
894 | ||
895 | switch (fn) { | |
896 | case SYS_TEMP_INPUT: | |
897 | res = TEMP_FROM_REG(data->temp[ix], 16); | |
898 | break; | |
899 | case SYS_TEMP_MIN: | |
900 | res = TEMP_FROM_REG(data->temp_min[ix], 8); | |
901 | break; | |
902 | case SYS_TEMP_MAX: | |
903 | res = TEMP_FROM_REG(data->temp_max[ix], 8); | |
904 | break; | |
905 | case SYS_TEMP_OFFSET: | |
906 | res = TEMP_FROM_REG(data->temp_offset[ix], 8); | |
907 | break; | |
908 | case SYS_TEMP_ALARM: | |
909 | res = (data->alarms >> DME1737_BIT_ALARM_TEMP[ix]) & 0x01; | |
910 | break; | |
911 | case SYS_TEMP_FAULT: | |
c0f31403 | 912 | res = (((u16)data->temp[ix] & 0xff00) == 0x8000); |
9431996f JH |
913 | break; |
914 | default: | |
915 | res = 0; | |
b237eb25 | 916 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
917 | } |
918 | ||
919 | return sprintf(buf, "%d\n", res); | |
920 | } | |
921 | ||
922 | static ssize_t set_temp(struct device *dev, struct device_attribute *attr, | |
923 | const char *buf, size_t count) | |
924 | { | |
b237eb25 | 925 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f JH |
926 | struct sensor_device_attribute_2 |
927 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
928 | int ix = sensor_attr_2->index; | |
929 | int fn = sensor_attr_2->nr; | |
c8de8362 GR |
930 | long val; |
931 | int err; | |
932 | ||
933 | err = kstrtol(buf, 10, &val); | |
934 | if (err) | |
935 | return err; | |
9431996f JH |
936 | |
937 | mutex_lock(&data->update_lock); | |
938 | switch (fn) { | |
939 | case SYS_TEMP_MIN: | |
940 | data->temp_min[ix] = TEMP_TO_REG(val); | |
dbc2bc25 | 941 | dme1737_write(data, DME1737_REG_TEMP_MIN(ix), |
9431996f JH |
942 | data->temp_min[ix]); |
943 | break; | |
944 | case SYS_TEMP_MAX: | |
945 | data->temp_max[ix] = TEMP_TO_REG(val); | |
dbc2bc25 | 946 | dme1737_write(data, DME1737_REG_TEMP_MAX(ix), |
9431996f JH |
947 | data->temp_max[ix]); |
948 | break; | |
949 | case SYS_TEMP_OFFSET: | |
950 | data->temp_offset[ix] = TEMP_TO_REG(val); | |
dbc2bc25 | 951 | dme1737_write(data, DME1737_REG_TEMP_OFFSET(ix), |
9431996f JH |
952 | data->temp_offset[ix]); |
953 | break; | |
954 | default: | |
b237eb25 | 955 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
956 | } |
957 | mutex_unlock(&data->update_lock); | |
958 | ||
959 | return count; | |
960 | } | |
961 | ||
962 | /* --------------------------------------------------------------------- | |
963 | * Zone sysfs attributes | |
964 | * ix = [0-2] | |
965 | * --------------------------------------------------------------------- */ | |
966 | ||
967 | #define SYS_ZONE_AUTO_CHANNELS_TEMP 0 | |
968 | #define SYS_ZONE_AUTO_POINT1_TEMP_HYST 1 | |
969 | #define SYS_ZONE_AUTO_POINT1_TEMP 2 | |
970 | #define SYS_ZONE_AUTO_POINT2_TEMP 3 | |
971 | #define SYS_ZONE_AUTO_POINT3_TEMP 4 | |
972 | ||
973 | static ssize_t show_zone(struct device *dev, struct device_attribute *attr, | |
974 | char *buf) | |
975 | { | |
976 | struct dme1737_data *data = dme1737_update_device(dev); | |
977 | struct sensor_device_attribute_2 | |
978 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
979 | int ix = sensor_attr_2->index; | |
980 | int fn = sensor_attr_2->nr; | |
981 | int res; | |
982 | ||
983 | switch (fn) { | |
984 | case SYS_ZONE_AUTO_CHANNELS_TEMP: | |
985 | /* check config2 for non-standard temp-to-zone mapping */ | |
c8de8362 | 986 | if ((ix == 1) && (data->config2 & 0x02)) |
9431996f | 987 | res = 4; |
c8de8362 | 988 | else |
9431996f | 989 | res = 1 << ix; |
9431996f JH |
990 | break; |
991 | case SYS_ZONE_AUTO_POINT1_TEMP_HYST: | |
992 | res = TEMP_FROM_REG(data->zone_low[ix], 8) - | |
993 | TEMP_HYST_FROM_REG(data->zone_hyst[ix == 2], ix); | |
994 | break; | |
995 | case SYS_ZONE_AUTO_POINT1_TEMP: | |
996 | res = TEMP_FROM_REG(data->zone_low[ix], 8); | |
997 | break; | |
998 | case SYS_ZONE_AUTO_POINT2_TEMP: | |
999 | /* pwm_freq holds the temp range bits in the upper nibble */ | |
1000 | res = TEMP_FROM_REG(data->zone_low[ix], 8) + | |
1001 | TEMP_RANGE_FROM_REG(data->pwm_freq[ix]); | |
1002 | break; | |
1003 | case SYS_ZONE_AUTO_POINT3_TEMP: | |
1004 | res = TEMP_FROM_REG(data->zone_abs[ix], 8); | |
1005 | break; | |
1006 | default: | |
1007 | res = 0; | |
b237eb25 | 1008 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1009 | } |
1010 | ||
1011 | return sprintf(buf, "%d\n", res); | |
1012 | } | |
1013 | ||
1014 | static ssize_t set_zone(struct device *dev, struct device_attribute *attr, | |
1015 | const char *buf, size_t count) | |
1016 | { | |
b237eb25 | 1017 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f JH |
1018 | struct sensor_device_attribute_2 |
1019 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
1020 | int ix = sensor_attr_2->index; | |
1021 | int fn = sensor_attr_2->nr; | |
c8de8362 GR |
1022 | long val; |
1023 | int err; | |
1024 | ||
1025 | err = kstrtol(buf, 10, &val); | |
1026 | if (err) | |
1027 | return err; | |
9431996f JH |
1028 | |
1029 | mutex_lock(&data->update_lock); | |
1030 | switch (fn) { | |
1031 | case SYS_ZONE_AUTO_POINT1_TEMP_HYST: | |
1032 | /* Refresh the cache */ | |
dbc2bc25 | 1033 | data->zone_low[ix] = dme1737_read(data, |
9431996f JH |
1034 | DME1737_REG_ZONE_LOW(ix)); |
1035 | /* Modify the temp hyst value */ | |
1036 | data->zone_hyst[ix == 2] = TEMP_HYST_TO_REG( | |
1037 | TEMP_FROM_REG(data->zone_low[ix], 8) - | |
dbc2bc25 | 1038 | val, ix, dme1737_read(data, |
9431996f | 1039 | DME1737_REG_ZONE_HYST(ix == 2))); |
dbc2bc25 | 1040 | dme1737_write(data, DME1737_REG_ZONE_HYST(ix == 2), |
9431996f JH |
1041 | data->zone_hyst[ix == 2]); |
1042 | break; | |
1043 | case SYS_ZONE_AUTO_POINT1_TEMP: | |
1044 | data->zone_low[ix] = TEMP_TO_REG(val); | |
dbc2bc25 | 1045 | dme1737_write(data, DME1737_REG_ZONE_LOW(ix), |
9431996f JH |
1046 | data->zone_low[ix]); |
1047 | break; | |
1048 | case SYS_ZONE_AUTO_POINT2_TEMP: | |
1049 | /* Refresh the cache */ | |
dbc2bc25 | 1050 | data->zone_low[ix] = dme1737_read(data, |
9431996f | 1051 | DME1737_REG_ZONE_LOW(ix)); |
c8de8362 GR |
1052 | /* |
1053 | * Modify the temp range value (which is stored in the upper | |
1054 | * nibble of the pwm_freq register) | |
1055 | */ | |
9431996f JH |
1056 | data->pwm_freq[ix] = TEMP_RANGE_TO_REG(val - |
1057 | TEMP_FROM_REG(data->zone_low[ix], 8), | |
dbc2bc25 | 1058 | dme1737_read(data, |
9431996f | 1059 | DME1737_REG_PWM_FREQ(ix))); |
dbc2bc25 | 1060 | dme1737_write(data, DME1737_REG_PWM_FREQ(ix), |
9431996f JH |
1061 | data->pwm_freq[ix]); |
1062 | break; | |
1063 | case SYS_ZONE_AUTO_POINT3_TEMP: | |
1064 | data->zone_abs[ix] = TEMP_TO_REG(val); | |
dbc2bc25 | 1065 | dme1737_write(data, DME1737_REG_ZONE_ABS(ix), |
9431996f JH |
1066 | data->zone_abs[ix]); |
1067 | break; | |
1068 | default: | |
b237eb25 | 1069 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1070 | } |
1071 | mutex_unlock(&data->update_lock); | |
1072 | ||
1073 | return count; | |
1074 | } | |
1075 | ||
1076 | /* --------------------------------------------------------------------- | |
1077 | * Fan sysfs attributes | |
1078 | * ix = [0-5] | |
1079 | * --------------------------------------------------------------------- */ | |
1080 | ||
1081 | #define SYS_FAN_INPUT 0 | |
1082 | #define SYS_FAN_MIN 1 | |
1083 | #define SYS_FAN_MAX 2 | |
1084 | #define SYS_FAN_ALARM 3 | |
1085 | #define SYS_FAN_TYPE 4 | |
1086 | ||
1087 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, | |
1088 | char *buf) | |
1089 | { | |
1090 | struct dme1737_data *data = dme1737_update_device(dev); | |
1091 | struct sensor_device_attribute_2 | |
1092 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
1093 | int ix = sensor_attr_2->index; | |
1094 | int fn = sensor_attr_2->nr; | |
1095 | int res; | |
1096 | ||
1097 | switch (fn) { | |
1098 | case SYS_FAN_INPUT: | |
1099 | res = FAN_FROM_REG(data->fan[ix], | |
1100 | ix < 4 ? 0 : | |
1101 | FAN_TPC_FROM_REG(data->fan_opt[ix])); | |
1102 | break; | |
1103 | case SYS_FAN_MIN: | |
1104 | res = FAN_FROM_REG(data->fan_min[ix], | |
1105 | ix < 4 ? 0 : | |
1106 | FAN_TPC_FROM_REG(data->fan_opt[ix])); | |
1107 | break; | |
1108 | case SYS_FAN_MAX: | |
1109 | /* only valid for fan[5-6] */ | |
1110 | res = FAN_MAX_FROM_REG(data->fan_max[ix - 4]); | |
1111 | break; | |
1112 | case SYS_FAN_ALARM: | |
1113 | res = (data->alarms >> DME1737_BIT_ALARM_FAN[ix]) & 0x01; | |
1114 | break; | |
1115 | case SYS_FAN_TYPE: | |
1116 | /* only valid for fan[1-4] */ | |
1117 | res = FAN_TYPE_FROM_REG(data->fan_opt[ix]); | |
1118 | break; | |
1119 | default: | |
1120 | res = 0; | |
b237eb25 | 1121 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1122 | } |
1123 | ||
1124 | return sprintf(buf, "%d\n", res); | |
1125 | } | |
1126 | ||
1127 | static ssize_t set_fan(struct device *dev, struct device_attribute *attr, | |
1128 | const char *buf, size_t count) | |
1129 | { | |
b237eb25 | 1130 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f JH |
1131 | struct sensor_device_attribute_2 |
1132 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
1133 | int ix = sensor_attr_2->index; | |
1134 | int fn = sensor_attr_2->nr; | |
c8de8362 GR |
1135 | long val; |
1136 | int err; | |
1137 | ||
1138 | err = kstrtol(buf, 10, &val); | |
1139 | if (err) | |
1140 | return err; | |
9431996f JH |
1141 | |
1142 | mutex_lock(&data->update_lock); | |
1143 | switch (fn) { | |
1144 | case SYS_FAN_MIN: | |
1145 | if (ix < 4) { | |
1146 | data->fan_min[ix] = FAN_TO_REG(val, 0); | |
1147 | } else { | |
1148 | /* Refresh the cache */ | |
dbc2bc25 | 1149 | data->fan_opt[ix] = dme1737_read(data, |
9431996f JH |
1150 | DME1737_REG_FAN_OPT(ix)); |
1151 | /* Modify the fan min value */ | |
1152 | data->fan_min[ix] = FAN_TO_REG(val, | |
1153 | FAN_TPC_FROM_REG(data->fan_opt[ix])); | |
1154 | } | |
dbc2bc25 | 1155 | dme1737_write(data, DME1737_REG_FAN_MIN(ix), |
9431996f | 1156 | data->fan_min[ix] & 0xff); |
dbc2bc25 | 1157 | dme1737_write(data, DME1737_REG_FAN_MIN(ix) + 1, |
9431996f JH |
1158 | data->fan_min[ix] >> 8); |
1159 | break; | |
1160 | case SYS_FAN_MAX: | |
1161 | /* Only valid for fan[5-6] */ | |
1162 | data->fan_max[ix - 4] = FAN_MAX_TO_REG(val); | |
dbc2bc25 | 1163 | dme1737_write(data, DME1737_REG_FAN_MAX(ix), |
9431996f JH |
1164 | data->fan_max[ix - 4]); |
1165 | break; | |
1166 | case SYS_FAN_TYPE: | |
1167 | /* Only valid for fan[1-4] */ | |
1168 | if (!(val == 1 || val == 2 || val == 4)) { | |
1169 | count = -EINVAL; | |
e95c237d | 1170 | dev_warn(dev, "Fan type value %ld not " |
9431996f JH |
1171 | "supported. Choose one of 1, 2, or 4.\n", |
1172 | val); | |
1173 | goto exit; | |
1174 | } | |
dbc2bc25 | 1175 | data->fan_opt[ix] = FAN_TYPE_TO_REG(val, dme1737_read(data, |
9431996f | 1176 | DME1737_REG_FAN_OPT(ix))); |
dbc2bc25 | 1177 | dme1737_write(data, DME1737_REG_FAN_OPT(ix), |
9431996f JH |
1178 | data->fan_opt[ix]); |
1179 | break; | |
1180 | default: | |
b237eb25 | 1181 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1182 | } |
1183 | exit: | |
1184 | mutex_unlock(&data->update_lock); | |
1185 | ||
1186 | return count; | |
1187 | } | |
1188 | ||
1189 | /* --------------------------------------------------------------------- | |
1190 | * PWM sysfs attributes | |
1191 | * ix = [0-4] | |
1192 | * --------------------------------------------------------------------- */ | |
1193 | ||
1194 | #define SYS_PWM 0 | |
1195 | #define SYS_PWM_FREQ 1 | |
1196 | #define SYS_PWM_ENABLE 2 | |
1197 | #define SYS_PWM_RAMP_RATE 3 | |
1198 | #define SYS_PWM_AUTO_CHANNELS_ZONE 4 | |
1199 | #define SYS_PWM_AUTO_PWM_MIN 5 | |
1200 | #define SYS_PWM_AUTO_POINT1_PWM 6 | |
1201 | #define SYS_PWM_AUTO_POINT2_PWM 7 | |
1202 | ||
1203 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
1204 | char *buf) | |
1205 | { | |
1206 | struct dme1737_data *data = dme1737_update_device(dev); | |
1207 | struct sensor_device_attribute_2 | |
1208 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
1209 | int ix = sensor_attr_2->index; | |
1210 | int fn = sensor_attr_2->nr; | |
1211 | int res; | |
1212 | ||
1213 | switch (fn) { | |
1214 | case SYS_PWM: | |
c8de8362 | 1215 | if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 0) |
9431996f | 1216 | res = 255; |
c8de8362 | 1217 | else |
9431996f | 1218 | res = data->pwm[ix]; |
9431996f JH |
1219 | break; |
1220 | case SYS_PWM_FREQ: | |
1221 | res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]); | |
1222 | break; | |
1223 | case SYS_PWM_ENABLE: | |
c8de8362 | 1224 | if (ix >= 3) |
9431996f | 1225 | res = 1; /* pwm[5-6] hard-wired to manual mode */ |
c8de8362 | 1226 | else |
9431996f | 1227 | res = PWM_EN_FROM_REG(data->pwm_config[ix]); |
9431996f JH |
1228 | break; |
1229 | case SYS_PWM_RAMP_RATE: | |
1230 | /* Only valid for pwm[1-3] */ | |
1231 | res = PWM_RR_FROM_REG(data->pwm_rr[ix > 0], ix); | |
1232 | break; | |
1233 | case SYS_PWM_AUTO_CHANNELS_ZONE: | |
1234 | /* Only valid for pwm[1-3] */ | |
c8de8362 | 1235 | if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) |
9431996f | 1236 | res = PWM_ACZ_FROM_REG(data->pwm_config[ix]); |
c8de8362 | 1237 | else |
9431996f | 1238 | res = data->pwm_acz[ix]; |
9431996f JH |
1239 | break; |
1240 | case SYS_PWM_AUTO_PWM_MIN: | |
1241 | /* Only valid for pwm[1-3] */ | |
c8de8362 | 1242 | if (PWM_OFF_FROM_REG(data->pwm_rr[0], ix)) |
9431996f | 1243 | res = data->pwm_min[ix]; |
c8de8362 | 1244 | else |
9431996f | 1245 | res = 0; |
9431996f JH |
1246 | break; |
1247 | case SYS_PWM_AUTO_POINT1_PWM: | |
1248 | /* Only valid for pwm[1-3] */ | |
1249 | res = data->pwm_min[ix]; | |
1250 | break; | |
1251 | case SYS_PWM_AUTO_POINT2_PWM: | |
1252 | /* Only valid for pwm[1-3] */ | |
1253 | res = 255; /* hard-wired */ | |
1254 | break; | |
1255 | default: | |
1256 | res = 0; | |
b237eb25 | 1257 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1258 | } |
1259 | ||
1260 | return sprintf(buf, "%d\n", res); | |
1261 | } | |
1262 | ||
73ce48f6 | 1263 | static struct attribute *dme1737_pwm_chmod_attr[]; |
48176a97 | 1264 | static void dme1737_chmod_file(struct device*, struct attribute*, umode_t); |
9431996f JH |
1265 | |
1266 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
1267 | const char *buf, size_t count) | |
1268 | { | |
b237eb25 | 1269 | struct dme1737_data *data = dev_get_drvdata(dev); |
9431996f JH |
1270 | struct sensor_device_attribute_2 |
1271 | *sensor_attr_2 = to_sensor_dev_attr_2(attr); | |
1272 | int ix = sensor_attr_2->index; | |
1273 | int fn = sensor_attr_2->nr; | |
c8de8362 GR |
1274 | long val; |
1275 | int err; | |
1276 | ||
1277 | err = kstrtol(buf, 10, &val); | |
1278 | if (err) | |
1279 | return err; | |
9431996f JH |
1280 | |
1281 | mutex_lock(&data->update_lock); | |
1282 | switch (fn) { | |
1283 | case SYS_PWM: | |
2a844c14 | 1284 | data->pwm[ix] = clamp_val(val, 0, 255); |
dbc2bc25 | 1285 | dme1737_write(data, DME1737_REG_PWM(ix), data->pwm[ix]); |
9431996f JH |
1286 | break; |
1287 | case SYS_PWM_FREQ: | |
dbc2bc25 | 1288 | data->pwm_freq[ix] = PWM_FREQ_TO_REG(val, dme1737_read(data, |
9431996f | 1289 | DME1737_REG_PWM_FREQ(ix))); |
dbc2bc25 | 1290 | dme1737_write(data, DME1737_REG_PWM_FREQ(ix), |
9431996f JH |
1291 | data->pwm_freq[ix]); |
1292 | break; | |
1293 | case SYS_PWM_ENABLE: | |
1294 | /* Only valid for pwm[1-3] */ | |
1295 | if (val < 0 || val > 2) { | |
1296 | count = -EINVAL; | |
e95c237d | 1297 | dev_warn(dev, "PWM enable %ld not " |
9431996f JH |
1298 | "supported. Choose one of 0, 1, or 2.\n", |
1299 | val); | |
1300 | goto exit; | |
1301 | } | |
1302 | /* Refresh the cache */ | |
dbc2bc25 | 1303 | data->pwm_config[ix] = dme1737_read(data, |
9431996f JH |
1304 | DME1737_REG_PWM_CONFIG(ix)); |
1305 | if (val == PWM_EN_FROM_REG(data->pwm_config[ix])) { | |
1306 | /* Bail out if no change */ | |
1307 | goto exit; | |
1308 | } | |
1309 | /* Do some housekeeping if we are currently in auto mode */ | |
1310 | if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) { | |
1311 | /* Save the current zone channel assignment */ | |
1312 | data->pwm_acz[ix] = PWM_ACZ_FROM_REG( | |
1313 | data->pwm_config[ix]); | |
1314 | /* Save the current ramp rate state and disable it */ | |
dbc2bc25 | 1315 | data->pwm_rr[ix > 0] = dme1737_read(data, |
9431996f JH |
1316 | DME1737_REG_PWM_RR(ix > 0)); |
1317 | data->pwm_rr_en &= ~(1 << ix); | |
1318 | if (PWM_RR_EN_FROM_REG(data->pwm_rr[ix > 0], ix)) { | |
1319 | data->pwm_rr_en |= (1 << ix); | |
1320 | data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(0, ix, | |
1321 | data->pwm_rr[ix > 0]); | |
dbc2bc25 | 1322 | dme1737_write(data, |
9431996f JH |
1323 | DME1737_REG_PWM_RR(ix > 0), |
1324 | data->pwm_rr[ix > 0]); | |
1325 | } | |
1326 | } | |
1327 | /* Set the new PWM mode */ | |
1328 | switch (val) { | |
1329 | case 0: | |
1330 | /* Change permissions of pwm[ix] to read-only */ | |
73ce48f6 | 1331 | dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix], |
9431996f JH |
1332 | S_IRUGO); |
1333 | /* Turn fan fully on */ | |
1334 | data->pwm_config[ix] = PWM_EN_TO_REG(0, | |
1335 | data->pwm_config[ix]); | |
dbc2bc25 | 1336 | dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), |
9431996f JH |
1337 | data->pwm_config[ix]); |
1338 | break; | |
1339 | case 1: | |
1340 | /* Turn on manual mode */ | |
1341 | data->pwm_config[ix] = PWM_EN_TO_REG(1, | |
1342 | data->pwm_config[ix]); | |
dbc2bc25 | 1343 | dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), |
9431996f JH |
1344 | data->pwm_config[ix]); |
1345 | /* Change permissions of pwm[ix] to read-writeable */ | |
73ce48f6 | 1346 | dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix], |
9431996f JH |
1347 | S_IRUGO | S_IWUSR); |
1348 | break; | |
1349 | case 2: | |
1350 | /* Change permissions of pwm[ix] to read-only */ | |
73ce48f6 | 1351 | dme1737_chmod_file(dev, dme1737_pwm_chmod_attr[ix], |
9431996f | 1352 | S_IRUGO); |
c8de8362 GR |
1353 | /* |
1354 | * Turn on auto mode using the saved zone channel | |
1355 | * assignment | |
1356 | */ | |
9431996f JH |
1357 | data->pwm_config[ix] = PWM_ACZ_TO_REG( |
1358 | data->pwm_acz[ix], | |
1359 | data->pwm_config[ix]); | |
dbc2bc25 | 1360 | dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), |
9431996f JH |
1361 | data->pwm_config[ix]); |
1362 | /* Enable PWM ramp rate if previously enabled */ | |
1363 | if (data->pwm_rr_en & (1 << ix)) { | |
1364 | data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(1, ix, | |
dbc2bc25 | 1365 | dme1737_read(data, |
9431996f | 1366 | DME1737_REG_PWM_RR(ix > 0))); |
dbc2bc25 | 1367 | dme1737_write(data, |
9431996f JH |
1368 | DME1737_REG_PWM_RR(ix > 0), |
1369 | data->pwm_rr[ix > 0]); | |
1370 | } | |
1371 | break; | |
1372 | } | |
1373 | break; | |
1374 | case SYS_PWM_RAMP_RATE: | |
1375 | /* Only valid for pwm[1-3] */ | |
1376 | /* Refresh the cache */ | |
dbc2bc25 | 1377 | data->pwm_config[ix] = dme1737_read(data, |
9431996f | 1378 | DME1737_REG_PWM_CONFIG(ix)); |
dbc2bc25 | 1379 | data->pwm_rr[ix > 0] = dme1737_read(data, |
9431996f JH |
1380 | DME1737_REG_PWM_RR(ix > 0)); |
1381 | /* Set the ramp rate value */ | |
1382 | if (val > 0) { | |
1383 | data->pwm_rr[ix > 0] = PWM_RR_TO_REG(val, ix, | |
1384 | data->pwm_rr[ix > 0]); | |
1385 | } | |
c8de8362 GR |
1386 | /* |
1387 | * Enable/disable the feature only if the associated PWM | |
1388 | * output is in automatic mode. | |
1389 | */ | |
9431996f JH |
1390 | if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) { |
1391 | data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(val > 0, ix, | |
1392 | data->pwm_rr[ix > 0]); | |
1393 | } | |
dbc2bc25 | 1394 | dme1737_write(data, DME1737_REG_PWM_RR(ix > 0), |
9431996f JH |
1395 | data->pwm_rr[ix > 0]); |
1396 | break; | |
1397 | case SYS_PWM_AUTO_CHANNELS_ZONE: | |
1398 | /* Only valid for pwm[1-3] */ | |
1399 | if (!(val == 1 || val == 2 || val == 4 || | |
1400 | val == 6 || val == 7)) { | |
1401 | count = -EINVAL; | |
e95c237d | 1402 | dev_warn(dev, "PWM auto channels zone %ld " |
9431996f JH |
1403 | "not supported. Choose one of 1, 2, 4, 6, " |
1404 | "or 7.\n", val); | |
1405 | goto exit; | |
1406 | } | |
1407 | /* Refresh the cache */ | |
dbc2bc25 | 1408 | data->pwm_config[ix] = dme1737_read(data, |
9431996f JH |
1409 | DME1737_REG_PWM_CONFIG(ix)); |
1410 | if (PWM_EN_FROM_REG(data->pwm_config[ix]) == 2) { | |
c8de8362 GR |
1411 | /* |
1412 | * PWM is already in auto mode so update the temp | |
1413 | * channel assignment | |
1414 | */ | |
9431996f JH |
1415 | data->pwm_config[ix] = PWM_ACZ_TO_REG(val, |
1416 | data->pwm_config[ix]); | |
dbc2bc25 | 1417 | dme1737_write(data, DME1737_REG_PWM_CONFIG(ix), |
9431996f JH |
1418 | data->pwm_config[ix]); |
1419 | } else { | |
c8de8362 GR |
1420 | /* |
1421 | * PWM is not in auto mode so we save the temp | |
1422 | * channel assignment for later use | |
1423 | */ | |
9431996f JH |
1424 | data->pwm_acz[ix] = val; |
1425 | } | |
1426 | break; | |
1427 | case SYS_PWM_AUTO_PWM_MIN: | |
1428 | /* Only valid for pwm[1-3] */ | |
1429 | /* Refresh the cache */ | |
dbc2bc25 | 1430 | data->pwm_min[ix] = dme1737_read(data, |
9431996f | 1431 | DME1737_REG_PWM_MIN(ix)); |
c8de8362 GR |
1432 | /* |
1433 | * There are only 2 values supported for the auto_pwm_min | |
9431996f JH |
1434 | * value: 0 or auto_point1_pwm. So if the temperature drops |
1435 | * below the auto_point1_temp_hyst value, the fan either turns | |
c8de8362 GR |
1436 | * off or runs at auto_point1_pwm duty-cycle. |
1437 | */ | |
9431996f JH |
1438 | if (val > ((data->pwm_min[ix] + 1) / 2)) { |
1439 | data->pwm_rr[0] = PWM_OFF_TO_REG(1, ix, | |
dbc2bc25 | 1440 | dme1737_read(data, |
9431996f | 1441 | DME1737_REG_PWM_RR(0))); |
9431996f JH |
1442 | } else { |
1443 | data->pwm_rr[0] = PWM_OFF_TO_REG(0, ix, | |
dbc2bc25 | 1444 | dme1737_read(data, |
9431996f | 1445 | DME1737_REG_PWM_RR(0))); |
9431996f | 1446 | } |
dbc2bc25 | 1447 | dme1737_write(data, DME1737_REG_PWM_RR(0), |
9431996f JH |
1448 | data->pwm_rr[0]); |
1449 | break; | |
1450 | case SYS_PWM_AUTO_POINT1_PWM: | |
1451 | /* Only valid for pwm[1-3] */ | |
2a844c14 | 1452 | data->pwm_min[ix] = clamp_val(val, 0, 255); |
dbc2bc25 | 1453 | dme1737_write(data, DME1737_REG_PWM_MIN(ix), |
9431996f JH |
1454 | data->pwm_min[ix]); |
1455 | break; | |
1456 | default: | |
b237eb25 | 1457 | dev_dbg(dev, "Unknown function %d.\n", fn); |
9431996f JH |
1458 | } |
1459 | exit: | |
1460 | mutex_unlock(&data->update_lock); | |
1461 | ||
1462 | return count; | |
1463 | } | |
1464 | ||
1465 | /* --------------------------------------------------------------------- | |
1466 | * Miscellaneous sysfs attributes | |
1467 | * --------------------------------------------------------------------- */ | |
1468 | ||
1469 | static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, | |
1470 | char *buf) | |
1471 | { | |
1472 | struct i2c_client *client = to_i2c_client(dev); | |
1473 | struct dme1737_data *data = i2c_get_clientdata(client); | |
1474 | ||
1475 | return sprintf(buf, "%d\n", data->vrm); | |
1476 | } | |
1477 | ||
1478 | static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, | |
1479 | const char *buf, size_t count) | |
1480 | { | |
b237eb25 | 1481 | struct dme1737_data *data = dev_get_drvdata(dev); |
c8de8362 GR |
1482 | long val; |
1483 | int err; | |
1484 | ||
1485 | err = kstrtol(buf, 10, &val); | |
1486 | if (err) | |
1487 | return err; | |
9431996f JH |
1488 | |
1489 | data->vrm = val; | |
1490 | return count; | |
1491 | } | |
1492 | ||
1493 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, | |
1494 | char *buf) | |
1495 | { | |
1496 | struct dme1737_data *data = dme1737_update_device(dev); | |
1497 | ||
1498 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
1499 | } | |
1500 | ||
e95c237d JH |
1501 | static ssize_t show_name(struct device *dev, struct device_attribute *attr, |
1502 | char *buf) | |
1503 | { | |
1504 | struct dme1737_data *data = dev_get_drvdata(dev); | |
1505 | ||
dbc2bc25 | 1506 | return sprintf(buf, "%s\n", data->name); |
e95c237d JH |
1507 | } |
1508 | ||
9431996f JH |
1509 | /* --------------------------------------------------------------------- |
1510 | * Sysfs device attribute defines and structs | |
1511 | * --------------------------------------------------------------------- */ | |
1512 | ||
d4b94e1f | 1513 | /* Voltages 0-7 */ |
9431996f JH |
1514 | |
1515 | #define SENSOR_DEVICE_ATTR_IN(ix) \ | |
1516 | static SENSOR_DEVICE_ATTR_2(in##ix##_input, S_IRUGO, \ | |
b237eb25 | 1517 | show_in, NULL, SYS_IN_INPUT, ix); \ |
9431996f | 1518 | static SENSOR_DEVICE_ATTR_2(in##ix##_min, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1519 | show_in, set_in, SYS_IN_MIN, ix); \ |
9431996f | 1520 | static SENSOR_DEVICE_ATTR_2(in##ix##_max, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1521 | show_in, set_in, SYS_IN_MAX, ix); \ |
9431996f | 1522 | static SENSOR_DEVICE_ATTR_2(in##ix##_alarm, S_IRUGO, \ |
b237eb25 | 1523 | show_in, NULL, SYS_IN_ALARM, ix) |
9431996f JH |
1524 | |
1525 | SENSOR_DEVICE_ATTR_IN(0); | |
1526 | SENSOR_DEVICE_ATTR_IN(1); | |
1527 | SENSOR_DEVICE_ATTR_IN(2); | |
1528 | SENSOR_DEVICE_ATTR_IN(3); | |
1529 | SENSOR_DEVICE_ATTR_IN(4); | |
1530 | SENSOR_DEVICE_ATTR_IN(5); | |
1531 | SENSOR_DEVICE_ATTR_IN(6); | |
d4b94e1f | 1532 | SENSOR_DEVICE_ATTR_IN(7); |
9431996f JH |
1533 | |
1534 | /* Temperatures 1-3 */ | |
1535 | ||
1536 | #define SENSOR_DEVICE_ATTR_TEMP(ix) \ | |
1537 | static SENSOR_DEVICE_ATTR_2(temp##ix##_input, S_IRUGO, \ | |
b237eb25 | 1538 | show_temp, NULL, SYS_TEMP_INPUT, ix-1); \ |
9431996f | 1539 | static SENSOR_DEVICE_ATTR_2(temp##ix##_min, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1540 | show_temp, set_temp, SYS_TEMP_MIN, ix-1); \ |
9431996f | 1541 | static SENSOR_DEVICE_ATTR_2(temp##ix##_max, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1542 | show_temp, set_temp, SYS_TEMP_MAX, ix-1); \ |
9431996f | 1543 | static SENSOR_DEVICE_ATTR_2(temp##ix##_offset, S_IRUGO, \ |
b237eb25 | 1544 | show_temp, set_temp, SYS_TEMP_OFFSET, ix-1); \ |
9431996f | 1545 | static SENSOR_DEVICE_ATTR_2(temp##ix##_alarm, S_IRUGO, \ |
b237eb25 | 1546 | show_temp, NULL, SYS_TEMP_ALARM, ix-1); \ |
9431996f | 1547 | static SENSOR_DEVICE_ATTR_2(temp##ix##_fault, S_IRUGO, \ |
b237eb25 | 1548 | show_temp, NULL, SYS_TEMP_FAULT, ix-1) |
9431996f JH |
1549 | |
1550 | SENSOR_DEVICE_ATTR_TEMP(1); | |
1551 | SENSOR_DEVICE_ATTR_TEMP(2); | |
1552 | SENSOR_DEVICE_ATTR_TEMP(3); | |
1553 | ||
1554 | /* Zones 1-3 */ | |
1555 | ||
1556 | #define SENSOR_DEVICE_ATTR_ZONE(ix) \ | |
1557 | static SENSOR_DEVICE_ATTR_2(zone##ix##_auto_channels_temp, S_IRUGO, \ | |
b237eb25 | 1558 | show_zone, NULL, SYS_ZONE_AUTO_CHANNELS_TEMP, ix-1); \ |
9431996f | 1559 | static SENSOR_DEVICE_ATTR_2(zone##ix##_auto_point1_temp_hyst, S_IRUGO, \ |
b237eb25 | 1560 | show_zone, set_zone, SYS_ZONE_AUTO_POINT1_TEMP_HYST, ix-1); \ |
9431996f | 1561 | static SENSOR_DEVICE_ATTR_2(zone##ix##_auto_point1_temp, S_IRUGO, \ |
b237eb25 | 1562 | show_zone, set_zone, SYS_ZONE_AUTO_POINT1_TEMP, ix-1); \ |
9431996f | 1563 | static SENSOR_DEVICE_ATTR_2(zone##ix##_auto_point2_temp, S_IRUGO, \ |
b237eb25 | 1564 | show_zone, set_zone, SYS_ZONE_AUTO_POINT2_TEMP, ix-1); \ |
9431996f | 1565 | static SENSOR_DEVICE_ATTR_2(zone##ix##_auto_point3_temp, S_IRUGO, \ |
b237eb25 | 1566 | show_zone, set_zone, SYS_ZONE_AUTO_POINT3_TEMP, ix-1) |
9431996f JH |
1567 | |
1568 | SENSOR_DEVICE_ATTR_ZONE(1); | |
1569 | SENSOR_DEVICE_ATTR_ZONE(2); | |
1570 | SENSOR_DEVICE_ATTR_ZONE(3); | |
1571 | ||
1572 | /* Fans 1-4 */ | |
1573 | ||
1574 | #define SENSOR_DEVICE_ATTR_FAN_1TO4(ix) \ | |
1575 | static SENSOR_DEVICE_ATTR_2(fan##ix##_input, S_IRUGO, \ | |
b237eb25 | 1576 | show_fan, NULL, SYS_FAN_INPUT, ix-1); \ |
9431996f | 1577 | static SENSOR_DEVICE_ATTR_2(fan##ix##_min, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1578 | show_fan, set_fan, SYS_FAN_MIN, ix-1); \ |
9431996f | 1579 | static SENSOR_DEVICE_ATTR_2(fan##ix##_alarm, S_IRUGO, \ |
b237eb25 | 1580 | show_fan, NULL, SYS_FAN_ALARM, ix-1); \ |
9431996f | 1581 | static SENSOR_DEVICE_ATTR_2(fan##ix##_type, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1582 | show_fan, set_fan, SYS_FAN_TYPE, ix-1) |
9431996f JH |
1583 | |
1584 | SENSOR_DEVICE_ATTR_FAN_1TO4(1); | |
1585 | SENSOR_DEVICE_ATTR_FAN_1TO4(2); | |
1586 | SENSOR_DEVICE_ATTR_FAN_1TO4(3); | |
1587 | SENSOR_DEVICE_ATTR_FAN_1TO4(4); | |
1588 | ||
1589 | /* Fans 5-6 */ | |
1590 | ||
1591 | #define SENSOR_DEVICE_ATTR_FAN_5TO6(ix) \ | |
1592 | static SENSOR_DEVICE_ATTR_2(fan##ix##_input, S_IRUGO, \ | |
b237eb25 | 1593 | show_fan, NULL, SYS_FAN_INPUT, ix-1); \ |
9431996f | 1594 | static SENSOR_DEVICE_ATTR_2(fan##ix##_min, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1595 | show_fan, set_fan, SYS_FAN_MIN, ix-1); \ |
9431996f | 1596 | static SENSOR_DEVICE_ATTR_2(fan##ix##_alarm, S_IRUGO, \ |
b237eb25 | 1597 | show_fan, NULL, SYS_FAN_ALARM, ix-1); \ |
9431996f | 1598 | static SENSOR_DEVICE_ATTR_2(fan##ix##_max, S_IRUGO | S_IWUSR, \ |
b237eb25 | 1599 | show_fan, set_fan, SYS_FAN_MAX, ix-1) |
9431996f JH |
1600 | |
1601 | SENSOR_DEVICE_ATTR_FAN_5TO6(5); | |
1602 | SENSOR_DEVICE_ATTR_FAN_5TO6(6); | |
1603 | ||
1604 | /* PWMs 1-3 */ | |
1605 | ||
1606 | #define SENSOR_DEVICE_ATTR_PWM_1TO3(ix) \ | |
1607 | static SENSOR_DEVICE_ATTR_2(pwm##ix, S_IRUGO, \ | |
b237eb25 | 1608 | show_pwm, set_pwm, SYS_PWM, ix-1); \ |
9431996f | 1609 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_freq, S_IRUGO, \ |
b237eb25 | 1610 | show_pwm, set_pwm, SYS_PWM_FREQ, ix-1); \ |
9431996f | 1611 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_enable, S_IRUGO, \ |
b237eb25 | 1612 | show_pwm, set_pwm, SYS_PWM_ENABLE, ix-1); \ |
9431996f | 1613 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_ramp_rate, S_IRUGO, \ |
b237eb25 | 1614 | show_pwm, set_pwm, SYS_PWM_RAMP_RATE, ix-1); \ |
9431996f | 1615 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_auto_channels_zone, S_IRUGO, \ |
b237eb25 | 1616 | show_pwm, set_pwm, SYS_PWM_AUTO_CHANNELS_ZONE, ix-1); \ |
9431996f | 1617 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_auto_pwm_min, S_IRUGO, \ |
b237eb25 | 1618 | show_pwm, set_pwm, SYS_PWM_AUTO_PWM_MIN, ix-1); \ |
9431996f | 1619 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_auto_point1_pwm, S_IRUGO, \ |
b237eb25 | 1620 | show_pwm, set_pwm, SYS_PWM_AUTO_POINT1_PWM, ix-1); \ |
9431996f | 1621 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_auto_point2_pwm, S_IRUGO, \ |
b237eb25 | 1622 | show_pwm, NULL, SYS_PWM_AUTO_POINT2_PWM, ix-1) |
9431996f JH |
1623 | |
1624 | SENSOR_DEVICE_ATTR_PWM_1TO3(1); | |
1625 | SENSOR_DEVICE_ATTR_PWM_1TO3(2); | |
1626 | SENSOR_DEVICE_ATTR_PWM_1TO3(3); | |
1627 | ||
1628 | /* PWMs 5-6 */ | |
1629 | ||
1630 | #define SENSOR_DEVICE_ATTR_PWM_5TO6(ix) \ | |
9b257714 | 1631 | static SENSOR_DEVICE_ATTR_2(pwm##ix, S_IRUGO, \ |
b237eb25 | 1632 | show_pwm, set_pwm, SYS_PWM, ix-1); \ |
9b257714 | 1633 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_freq, S_IRUGO, \ |
b237eb25 | 1634 | show_pwm, set_pwm, SYS_PWM_FREQ, ix-1); \ |
9431996f | 1635 | static SENSOR_DEVICE_ATTR_2(pwm##ix##_enable, S_IRUGO, \ |
b237eb25 | 1636 | show_pwm, NULL, SYS_PWM_ENABLE, ix-1) |
9431996f JH |
1637 | |
1638 | SENSOR_DEVICE_ATTR_PWM_5TO6(5); | |
1639 | SENSOR_DEVICE_ATTR_PWM_5TO6(6); | |
1640 | ||
1641 | /* Misc */ | |
1642 | ||
1643 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); | |
1644 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
e95c237d | 1645 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); /* for ISA devices */ |
9431996f | 1646 | |
c8de8362 GR |
1647 | /* |
1648 | * This struct holds all the attributes that are always present and need to be | |
9431996f JH |
1649 | * created unconditionally. The attributes that need modification of their |
1650 | * permissions are created read-only and write permissions are added or removed | |
c8de8362 GR |
1651 | * on the fly when required |
1652 | */ | |
06f3d9fb | 1653 | static struct attribute *dme1737_attr[] = { |
b237eb25 | 1654 | /* Voltages */ |
9b257714 JH |
1655 | &sensor_dev_attr_in0_input.dev_attr.attr, |
1656 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1657 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1658 | &sensor_dev_attr_in0_alarm.dev_attr.attr, | |
1659 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1660 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1661 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1662 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1663 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1664 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1665 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1666 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1667 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
1668 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1669 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1670 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
1671 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
1672 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1673 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1674 | &sensor_dev_attr_in4_alarm.dev_attr.attr, | |
1675 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
1676 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1677 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1678 | &sensor_dev_attr_in5_alarm.dev_attr.attr, | |
1679 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
1680 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
1681 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1682 | &sensor_dev_attr_in6_alarm.dev_attr.attr, | |
b237eb25 | 1683 | /* Temperatures */ |
9b257714 JH |
1684 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
1685 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1686 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1687 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
1688 | &sensor_dev_attr_temp1_fault.dev_attr.attr, | |
9b257714 JH |
1689 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
1690 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1691 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1692 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1693 | &sensor_dev_attr_temp2_fault.dev_attr.attr, | |
9b257714 JH |
1694 | &sensor_dev_attr_temp3_input.dev_attr.attr, |
1695 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1696 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1697 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1698 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
b237eb25 | 1699 | /* Zones */ |
9b257714 JH |
1700 | &sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr, |
1701 | &sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr, | |
1702 | &sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr, | |
1703 | &sensor_dev_attr_zone1_auto_channels_temp.dev_attr.attr, | |
9b257714 JH |
1704 | &sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr, |
1705 | &sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr, | |
1706 | &sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr, | |
1707 | &sensor_dev_attr_zone2_auto_channels_temp.dev_attr.attr, | |
549edb83 JH |
1708 | NULL |
1709 | }; | |
1710 | ||
1711 | static const struct attribute_group dme1737_group = { | |
1712 | .attrs = dme1737_attr, | |
1713 | }; | |
1714 | ||
c8de8362 GR |
1715 | /* |
1716 | * The following struct holds temp offset attributes, which are not available | |
ea694431 | 1717 | * in all chips. The following chips support them: |
c8de8362 GR |
1718 | * DME1737, SCH311x |
1719 | */ | |
ea694431 | 1720 | static struct attribute *dme1737_temp_offset_attr[] = { |
549edb83 JH |
1721 | &sensor_dev_attr_temp1_offset.dev_attr.attr, |
1722 | &sensor_dev_attr_temp2_offset.dev_attr.attr, | |
1723 | &sensor_dev_attr_temp3_offset.dev_attr.attr, | |
9431996f JH |
1724 | NULL |
1725 | }; | |
1726 | ||
ea694431 JH |
1727 | static const struct attribute_group dme1737_temp_offset_group = { |
1728 | .attrs = dme1737_temp_offset_attr, | |
9431996f JH |
1729 | }; |
1730 | ||
c8de8362 GR |
1731 | /* |
1732 | * The following struct holds VID related attributes, which are not available | |
ea694431 | 1733 | * in all chips. The following chips support them: |
c8de8362 GR |
1734 | * DME1737 |
1735 | */ | |
9d091446 JD |
1736 | static struct attribute *dme1737_vid_attr[] = { |
1737 | &dev_attr_vrm.attr, | |
1738 | &dev_attr_cpu0_vid.attr, | |
1739 | NULL | |
1740 | }; | |
1741 | ||
1742 | static const struct attribute_group dme1737_vid_group = { | |
1743 | .attrs = dme1737_vid_attr, | |
1744 | }; | |
1745 | ||
c8de8362 GR |
1746 | /* |
1747 | * The following struct holds temp zone 3 related attributes, which are not | |
ea694431 | 1748 | * available in all chips. The following chips support them: |
c8de8362 GR |
1749 | * DME1737, SCH311x, SCH5027 |
1750 | */ | |
ea694431 JH |
1751 | static struct attribute *dme1737_zone3_attr[] = { |
1752 | &sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr, | |
1753 | &sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr, | |
1754 | &sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr, | |
1755 | &sensor_dev_attr_zone3_auto_channels_temp.dev_attr.attr, | |
1756 | NULL | |
1757 | }; | |
1758 | ||
1759 | static const struct attribute_group dme1737_zone3_group = { | |
1760 | .attrs = dme1737_zone3_attr, | |
1761 | }; | |
1762 | ||
1763 | ||
c8de8362 GR |
1764 | /* |
1765 | * The following struct holds temp zone hysteresis related attributes, which | |
ea694431 | 1766 | * are not available in all chips. The following chips support them: |
c8de8362 GR |
1767 | * DME1737, SCH311x |
1768 | */ | |
ea694431 JH |
1769 | static struct attribute *dme1737_zone_hyst_attr[] = { |
1770 | &sensor_dev_attr_zone1_auto_point1_temp_hyst.dev_attr.attr, | |
1771 | &sensor_dev_attr_zone2_auto_point1_temp_hyst.dev_attr.attr, | |
1772 | &sensor_dev_attr_zone3_auto_point1_temp_hyst.dev_attr.attr, | |
1773 | NULL | |
1774 | }; | |
1775 | ||
1776 | static const struct attribute_group dme1737_zone_hyst_group = { | |
1777 | .attrs = dme1737_zone_hyst_attr, | |
1778 | }; | |
1779 | ||
c8de8362 GR |
1780 | /* |
1781 | * The following struct holds voltage in7 related attributes, which | |
d4b94e1f | 1782 | * are not available in all chips. The following chips support them: |
c8de8362 GR |
1783 | * SCH5127 |
1784 | */ | |
d4b94e1f JH |
1785 | static struct attribute *dme1737_in7_attr[] = { |
1786 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
1787 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
1788 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
1789 | &sensor_dev_attr_in7_alarm.dev_attr.attr, | |
1790 | NULL | |
1791 | }; | |
1792 | ||
1793 | static const struct attribute_group dme1737_in7_group = { | |
1794 | .attrs = dme1737_in7_attr, | |
1795 | }; | |
1796 | ||
c8de8362 GR |
1797 | /* |
1798 | * The following structs hold the PWM attributes, some of which are optional. | |
9431996f | 1799 | * Their creation depends on the chip configuration which is determined during |
c8de8362 GR |
1800 | * module load. |
1801 | */ | |
73ce48f6 | 1802 | static struct attribute *dme1737_pwm1_attr[] = { |
9b257714 JH |
1803 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1804 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
1805 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1806 | &sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr, | |
1807 | &sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr, | |
9b257714 JH |
1808 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, |
1809 | &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, | |
9431996f JH |
1810 | NULL |
1811 | }; | |
73ce48f6 | 1812 | static struct attribute *dme1737_pwm2_attr[] = { |
9b257714 JH |
1813 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1814 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
1815 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1816 | &sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr, | |
1817 | &sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr, | |
9b257714 JH |
1818 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, |
1819 | &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, | |
9431996f JH |
1820 | NULL |
1821 | }; | |
73ce48f6 | 1822 | static struct attribute *dme1737_pwm3_attr[] = { |
9b257714 JH |
1823 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1824 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, | |
1825 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
1826 | &sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr, | |
1827 | &sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr, | |
9b257714 JH |
1828 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, |
1829 | &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, | |
9431996f JH |
1830 | NULL |
1831 | }; | |
73ce48f6 | 1832 | static struct attribute *dme1737_pwm5_attr[] = { |
9b257714 JH |
1833 | &sensor_dev_attr_pwm5.dev_attr.attr, |
1834 | &sensor_dev_attr_pwm5_freq.dev_attr.attr, | |
1835 | &sensor_dev_attr_pwm5_enable.dev_attr.attr, | |
9431996f JH |
1836 | NULL |
1837 | }; | |
73ce48f6 | 1838 | static struct attribute *dme1737_pwm6_attr[] = { |
9b257714 JH |
1839 | &sensor_dev_attr_pwm6.dev_attr.attr, |
1840 | &sensor_dev_attr_pwm6_freq.dev_attr.attr, | |
1841 | &sensor_dev_attr_pwm6_enable.dev_attr.attr, | |
9431996f JH |
1842 | NULL |
1843 | }; | |
1844 | ||
1845 | static const struct attribute_group dme1737_pwm_group[] = { | |
73ce48f6 JH |
1846 | { .attrs = dme1737_pwm1_attr }, |
1847 | { .attrs = dme1737_pwm2_attr }, | |
1848 | { .attrs = dme1737_pwm3_attr }, | |
9431996f | 1849 | { .attrs = NULL }, |
73ce48f6 JH |
1850 | { .attrs = dme1737_pwm5_attr }, |
1851 | { .attrs = dme1737_pwm6_attr }, | |
9431996f JH |
1852 | }; |
1853 | ||
c8de8362 GR |
1854 | /* |
1855 | * The following struct holds auto PWM min attributes, which are not available | |
ea694431 | 1856 | * in all chips. Their creation depends on the chip type which is determined |
c8de8362 GR |
1857 | * during module load. |
1858 | */ | |
ea694431 | 1859 | static struct attribute *dme1737_auto_pwm_min_attr[] = { |
549edb83 JH |
1860 | &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, |
1861 | &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, | |
1862 | &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, | |
1863 | }; | |
1864 | ||
c8de8362 GR |
1865 | /* |
1866 | * The following structs hold the fan attributes, some of which are optional. | |
9431996f | 1867 | * Their creation depends on the chip configuration which is determined during |
c8de8362 GR |
1868 | * module load. |
1869 | */ | |
73ce48f6 | 1870 | static struct attribute *dme1737_fan1_attr[] = { |
9b257714 JH |
1871 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1872 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1873 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
1874 | &sensor_dev_attr_fan1_type.dev_attr.attr, | |
9431996f JH |
1875 | NULL |
1876 | }; | |
73ce48f6 | 1877 | static struct attribute *dme1737_fan2_attr[] = { |
9b257714 JH |
1878 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
1879 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1880 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1881 | &sensor_dev_attr_fan2_type.dev_attr.attr, | |
9431996f JH |
1882 | NULL |
1883 | }; | |
73ce48f6 | 1884 | static struct attribute *dme1737_fan3_attr[] = { |
9b257714 JH |
1885 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
1886 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1887 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1888 | &sensor_dev_attr_fan3_type.dev_attr.attr, | |
9431996f JH |
1889 | NULL |
1890 | }; | |
73ce48f6 | 1891 | static struct attribute *dme1737_fan4_attr[] = { |
9b257714 JH |
1892 | &sensor_dev_attr_fan4_input.dev_attr.attr, |
1893 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1894 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
1895 | &sensor_dev_attr_fan4_type.dev_attr.attr, | |
9431996f JH |
1896 | NULL |
1897 | }; | |
73ce48f6 | 1898 | static struct attribute *dme1737_fan5_attr[] = { |
9b257714 JH |
1899 | &sensor_dev_attr_fan5_input.dev_attr.attr, |
1900 | &sensor_dev_attr_fan5_min.dev_attr.attr, | |
1901 | &sensor_dev_attr_fan5_alarm.dev_attr.attr, | |
1902 | &sensor_dev_attr_fan5_max.dev_attr.attr, | |
9431996f JH |
1903 | NULL |
1904 | }; | |
73ce48f6 | 1905 | static struct attribute *dme1737_fan6_attr[] = { |
9b257714 JH |
1906 | &sensor_dev_attr_fan6_input.dev_attr.attr, |
1907 | &sensor_dev_attr_fan6_min.dev_attr.attr, | |
1908 | &sensor_dev_attr_fan6_alarm.dev_attr.attr, | |
1909 | &sensor_dev_attr_fan6_max.dev_attr.attr, | |
9431996f JH |
1910 | NULL |
1911 | }; | |
1912 | ||
1913 | static const struct attribute_group dme1737_fan_group[] = { | |
73ce48f6 JH |
1914 | { .attrs = dme1737_fan1_attr }, |
1915 | { .attrs = dme1737_fan2_attr }, | |
1916 | { .attrs = dme1737_fan3_attr }, | |
1917 | { .attrs = dme1737_fan4_attr }, | |
1918 | { .attrs = dme1737_fan5_attr }, | |
1919 | { .attrs = dme1737_fan6_attr }, | |
9431996f JH |
1920 | }; |
1921 | ||
c8de8362 GR |
1922 | /* |
1923 | * The permissions of the following zone attributes are changed to read- | |
1924 | * writeable if the chip is *not* locked. Otherwise they stay read-only. | |
1925 | */ | |
549edb83 | 1926 | static struct attribute *dme1737_zone_chmod_attr[] = { |
9b257714 JH |
1927 | &sensor_dev_attr_zone1_auto_point1_temp.dev_attr.attr, |
1928 | &sensor_dev_attr_zone1_auto_point2_temp.dev_attr.attr, | |
1929 | &sensor_dev_attr_zone1_auto_point3_temp.dev_attr.attr, | |
9b257714 JH |
1930 | &sensor_dev_attr_zone2_auto_point1_temp.dev_attr.attr, |
1931 | &sensor_dev_attr_zone2_auto_point2_temp.dev_attr.attr, | |
1932 | &sensor_dev_attr_zone2_auto_point3_temp.dev_attr.attr, | |
ea694431 JH |
1933 | NULL |
1934 | }; | |
1935 | ||
1936 | static const struct attribute_group dme1737_zone_chmod_group = { | |
1937 | .attrs = dme1737_zone_chmod_attr, | |
1938 | }; | |
1939 | ||
1940 | ||
c8de8362 GR |
1941 | /* |
1942 | * The permissions of the following zone 3 attributes are changed to read- | |
1943 | * writeable if the chip is *not* locked. Otherwise they stay read-only. | |
1944 | */ | |
ea694431 | 1945 | static struct attribute *dme1737_zone3_chmod_attr[] = { |
9b257714 JH |
1946 | &sensor_dev_attr_zone3_auto_point1_temp.dev_attr.attr, |
1947 | &sensor_dev_attr_zone3_auto_point2_temp.dev_attr.attr, | |
1948 | &sensor_dev_attr_zone3_auto_point3_temp.dev_attr.attr, | |
9431996f JH |
1949 | NULL |
1950 | }; | |
1951 | ||
ea694431 JH |
1952 | static const struct attribute_group dme1737_zone3_chmod_group = { |
1953 | .attrs = dme1737_zone3_chmod_attr, | |
9431996f JH |
1954 | }; |
1955 | ||
c8de8362 GR |
1956 | /* |
1957 | * The permissions of the following PWM attributes are changed to read- | |
9431996f | 1958 | * writeable if the chip is *not* locked and the respective PWM is available. |
c8de8362 GR |
1959 | * Otherwise they stay read-only. |
1960 | */ | |
73ce48f6 | 1961 | static struct attribute *dme1737_pwm1_chmod_attr[] = { |
9b257714 JH |
1962 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
1963 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1964 | &sensor_dev_attr_pwm1_ramp_rate.dev_attr.attr, | |
1965 | &sensor_dev_attr_pwm1_auto_channels_zone.dev_attr.attr, | |
9b257714 | 1966 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, |
9431996f JH |
1967 | NULL |
1968 | }; | |
73ce48f6 | 1969 | static struct attribute *dme1737_pwm2_chmod_attr[] = { |
9b257714 JH |
1970 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, |
1971 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1972 | &sensor_dev_attr_pwm2_ramp_rate.dev_attr.attr, | |
1973 | &sensor_dev_attr_pwm2_auto_channels_zone.dev_attr.attr, | |
9b257714 | 1974 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, |
9431996f JH |
1975 | NULL |
1976 | }; | |
73ce48f6 | 1977 | static struct attribute *dme1737_pwm3_chmod_attr[] = { |
9b257714 JH |
1978 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, |
1979 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
1980 | &sensor_dev_attr_pwm3_ramp_rate.dev_attr.attr, | |
1981 | &sensor_dev_attr_pwm3_auto_channels_zone.dev_attr.attr, | |
9b257714 | 1982 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, |
9431996f JH |
1983 | NULL |
1984 | }; | |
73ce48f6 | 1985 | static struct attribute *dme1737_pwm5_chmod_attr[] = { |
9b257714 JH |
1986 | &sensor_dev_attr_pwm5.dev_attr.attr, |
1987 | &sensor_dev_attr_pwm5_freq.dev_attr.attr, | |
9431996f JH |
1988 | NULL |
1989 | }; | |
73ce48f6 | 1990 | static struct attribute *dme1737_pwm6_chmod_attr[] = { |
9b257714 JH |
1991 | &sensor_dev_attr_pwm6.dev_attr.attr, |
1992 | &sensor_dev_attr_pwm6_freq.dev_attr.attr, | |
9431996f JH |
1993 | NULL |
1994 | }; | |
1995 | ||
73ce48f6 JH |
1996 | static const struct attribute_group dme1737_pwm_chmod_group[] = { |
1997 | { .attrs = dme1737_pwm1_chmod_attr }, | |
1998 | { .attrs = dme1737_pwm2_chmod_attr }, | |
1999 | { .attrs = dme1737_pwm3_chmod_attr }, | |
9431996f | 2000 | { .attrs = NULL }, |
73ce48f6 JH |
2001 | { .attrs = dme1737_pwm5_chmod_attr }, |
2002 | { .attrs = dme1737_pwm6_chmod_attr }, | |
9431996f JH |
2003 | }; |
2004 | ||
c8de8362 GR |
2005 | /* |
2006 | * Pwm[1-3] are read-writeable if the associated pwm is in manual mode and the | |
2007 | * chip is not locked. Otherwise they are read-only. | |
2008 | */ | |
73ce48f6 | 2009 | static struct attribute *dme1737_pwm_chmod_attr[] = { |
9431996f JH |
2010 | &sensor_dev_attr_pwm1.dev_attr.attr, |
2011 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
2012 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
2013 | }; | |
2014 | ||
2015 | /* --------------------------------------------------------------------- | |
2016 | * Super-IO functions | |
2017 | * --------------------------------------------------------------------- */ | |
2018 | ||
b237eb25 JH |
2019 | static inline void dme1737_sio_enter(int sio_cip) |
2020 | { | |
2021 | outb(0x55, sio_cip); | |
2022 | } | |
2023 | ||
2024 | static inline void dme1737_sio_exit(int sio_cip) | |
2025 | { | |
2026 | outb(0xaa, sio_cip); | |
2027 | } | |
2028 | ||
9431996f JH |
2029 | static inline int dme1737_sio_inb(int sio_cip, int reg) |
2030 | { | |
2031 | outb(reg, sio_cip); | |
2032 | return inb(sio_cip + 1); | |
2033 | } | |
2034 | ||
2035 | static inline void dme1737_sio_outb(int sio_cip, int reg, int val) | |
2036 | { | |
2037 | outb(reg, sio_cip); | |
2038 | outb(val, sio_cip + 1); | |
2039 | } | |
2040 | ||
9431996f | 2041 | /* --------------------------------------------------------------------- |
e95c237d | 2042 | * Device initialization |
9431996f JH |
2043 | * --------------------------------------------------------------------- */ |
2044 | ||
67e2f328 | 2045 | static int dme1737_i2c_get_features(int, struct dme1737_data*); |
9431996f | 2046 | |
b237eb25 | 2047 | static void dme1737_chmod_file(struct device *dev, |
48176a97 | 2048 | struct attribute *attr, umode_t mode) |
9431996f | 2049 | { |
b237eb25 JH |
2050 | if (sysfs_chmod_file(&dev->kobj, attr, mode)) { |
2051 | dev_warn(dev, "Failed to change permissions of %s.\n", | |
9431996f JH |
2052 | attr->name); |
2053 | } | |
2054 | } | |
2055 | ||
b237eb25 | 2056 | static void dme1737_chmod_group(struct device *dev, |
9431996f | 2057 | const struct attribute_group *group, |
48176a97 | 2058 | umode_t mode) |
9431996f JH |
2059 | { |
2060 | struct attribute **attr; | |
2061 | ||
c8de8362 | 2062 | for (attr = group->attrs; *attr; attr++) |
b237eb25 | 2063 | dme1737_chmod_file(dev, *attr, mode); |
9431996f JH |
2064 | } |
2065 | ||
b237eb25 | 2066 | static void dme1737_remove_files(struct device *dev) |
9431996f | 2067 | { |
b237eb25 JH |
2068 | struct dme1737_data *data = dev_get_drvdata(dev); |
2069 | int ix; | |
2070 | ||
2071 | for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) { | |
ea694431 | 2072 | if (data->has_features & HAS_FAN(ix)) { |
b237eb25 JH |
2073 | sysfs_remove_group(&dev->kobj, |
2074 | &dme1737_fan_group[ix]); | |
2075 | } | |
2076 | } | |
2077 | ||
2078 | for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) { | |
ea694431 | 2079 | if (data->has_features & HAS_PWM(ix)) { |
b237eb25 JH |
2080 | sysfs_remove_group(&dev->kobj, |
2081 | &dme1737_pwm_group[ix]); | |
ea694431 | 2082 | if ((data->has_features & HAS_PWM_MIN) && ix < 3) { |
549edb83 | 2083 | sysfs_remove_file(&dev->kobj, |
ea694431 | 2084 | dme1737_auto_pwm_min_attr[ix]); |
549edb83 | 2085 | } |
b237eb25 JH |
2086 | } |
2087 | } | |
2088 | ||
c8de8362 | 2089 | if (data->has_features & HAS_TEMP_OFFSET) |
ea694431 | 2090 | sysfs_remove_group(&dev->kobj, &dme1737_temp_offset_group); |
c8de8362 | 2091 | if (data->has_features & HAS_VID) |
9d091446 | 2092 | sysfs_remove_group(&dev->kobj, &dme1737_vid_group); |
c8de8362 | 2093 | if (data->has_features & HAS_ZONE3) |
ea694431 | 2094 | sysfs_remove_group(&dev->kobj, &dme1737_zone3_group); |
c8de8362 | 2095 | if (data->has_features & HAS_ZONE_HYST) |
ea694431 | 2096 | sysfs_remove_group(&dev->kobj, &dme1737_zone_hyst_group); |
c8de8362 | 2097 | if (data->has_features & HAS_IN7) |
d4b94e1f | 2098 | sysfs_remove_group(&dev->kobj, &dme1737_in7_group); |
b237eb25 | 2099 | sysfs_remove_group(&dev->kobj, &dme1737_group); |
e95c237d | 2100 | |
c8de8362 | 2101 | if (!data->client) |
e95c237d | 2102 | sysfs_remove_file(&dev->kobj, &dev_attr_name.attr); |
b237eb25 JH |
2103 | } |
2104 | ||
2105 | static int dme1737_create_files(struct device *dev) | |
2106 | { | |
2107 | struct dme1737_data *data = dev_get_drvdata(dev); | |
2108 | int err, ix; | |
2109 | ||
e95c237d | 2110 | /* Create a name attribute for ISA devices */ |
06f3d9fb JH |
2111 | if (!data->client) { |
2112 | err = sysfs_create_file(&dev->kobj, &dev_attr_name.attr); | |
c8de8362 | 2113 | if (err) |
06f3d9fb | 2114 | goto exit; |
e95c237d JH |
2115 | } |
2116 | ||
b237eb25 | 2117 | /* Create standard sysfs attributes */ |
06f3d9fb | 2118 | err = sysfs_create_group(&dev->kobj, &dme1737_group); |
c8de8362 | 2119 | if (err) |
e95c237d | 2120 | goto exit_remove; |
b237eb25 | 2121 | |
ea694431 | 2122 | /* Create chip-dependent sysfs attributes */ |
06f3d9fb JH |
2123 | if (data->has_features & HAS_TEMP_OFFSET) { |
2124 | err = sysfs_create_group(&dev->kobj, | |
2125 | &dme1737_temp_offset_group); | |
c8de8362 | 2126 | if (err) |
06f3d9fb | 2127 | goto exit_remove; |
549edb83 | 2128 | } |
06f3d9fb JH |
2129 | if (data->has_features & HAS_VID) { |
2130 | err = sysfs_create_group(&dev->kobj, &dme1737_vid_group); | |
c8de8362 | 2131 | if (err) |
06f3d9fb | 2132 | goto exit_remove; |
9d091446 | 2133 | } |
06f3d9fb JH |
2134 | if (data->has_features & HAS_ZONE3) { |
2135 | err = sysfs_create_group(&dev->kobj, &dme1737_zone3_group); | |
c8de8362 | 2136 | if (err) |
06f3d9fb | 2137 | goto exit_remove; |
ea694431 | 2138 | } |
06f3d9fb JH |
2139 | if (data->has_features & HAS_ZONE_HYST) { |
2140 | err = sysfs_create_group(&dev->kobj, &dme1737_zone_hyst_group); | |
c8de8362 | 2141 | if (err) |
06f3d9fb | 2142 | goto exit_remove; |
ea694431 | 2143 | } |
d4b94e1f JH |
2144 | if (data->has_features & HAS_IN7) { |
2145 | err = sysfs_create_group(&dev->kobj, &dme1737_in7_group); | |
c8de8362 | 2146 | if (err) |
d4b94e1f | 2147 | goto exit_remove; |
d4b94e1f | 2148 | } |
9d091446 | 2149 | |
b237eb25 JH |
2150 | /* Create fan sysfs attributes */ |
2151 | for (ix = 0; ix < ARRAY_SIZE(dme1737_fan_group); ix++) { | |
ea694431 | 2152 | if (data->has_features & HAS_FAN(ix)) { |
06f3d9fb JH |
2153 | err = sysfs_create_group(&dev->kobj, |
2154 | &dme1737_fan_group[ix]); | |
c8de8362 | 2155 | if (err) |
b237eb25 | 2156 | goto exit_remove; |
b237eb25 JH |
2157 | } |
2158 | } | |
2159 | ||
2160 | /* Create PWM sysfs attributes */ | |
2161 | for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_group); ix++) { | |
ea694431 | 2162 | if (data->has_features & HAS_PWM(ix)) { |
06f3d9fb JH |
2163 | err = sysfs_create_group(&dev->kobj, |
2164 | &dme1737_pwm_group[ix]); | |
c8de8362 | 2165 | if (err) |
b237eb25 | 2166 | goto exit_remove; |
06f3d9fb JH |
2167 | if ((data->has_features & HAS_PWM_MIN) && (ix < 3)) { |
2168 | err = sysfs_create_file(&dev->kobj, | |
2169 | dme1737_auto_pwm_min_attr[ix]); | |
c8de8362 | 2170 | if (err) |
06f3d9fb | 2171 | goto exit_remove; |
549edb83 | 2172 | } |
b237eb25 JH |
2173 | } |
2174 | } | |
2175 | ||
c8de8362 GR |
2176 | /* |
2177 | * Inform if the device is locked. Otherwise change the permissions of | |
2178 | * selected attributes from read-only to read-writeable. | |
2179 | */ | |
b237eb25 JH |
2180 | if (data->config & 0x02) { |
2181 | dev_info(dev, "Device is locked. Some attributes " | |
2182 | "will be read-only.\n"); | |
2183 | } else { | |
549edb83 JH |
2184 | /* Change permissions of zone sysfs attributes */ |
2185 | dme1737_chmod_group(dev, &dme1737_zone_chmod_group, | |
b237eb25 JH |
2186 | S_IRUGO | S_IWUSR); |
2187 | ||
ea694431 JH |
2188 | /* Change permissions of chip-dependent sysfs attributes */ |
2189 | if (data->has_features & HAS_TEMP_OFFSET) { | |
2190 | dme1737_chmod_group(dev, &dme1737_temp_offset_group, | |
2191 | S_IRUGO | S_IWUSR); | |
2192 | } | |
2193 | if (data->has_features & HAS_ZONE3) { | |
2194 | dme1737_chmod_group(dev, &dme1737_zone3_chmod_group, | |
2195 | S_IRUGO | S_IWUSR); | |
2196 | } | |
2197 | if (data->has_features & HAS_ZONE_HYST) { | |
2198 | dme1737_chmod_group(dev, &dme1737_zone_hyst_group, | |
549edb83 JH |
2199 | S_IRUGO | S_IWUSR); |
2200 | } | |
2201 | ||
73ce48f6 JH |
2202 | /* Change permissions of PWM sysfs attributes */ |
2203 | for (ix = 0; ix < ARRAY_SIZE(dme1737_pwm_chmod_group); ix++) { | |
ea694431 | 2204 | if (data->has_features & HAS_PWM(ix)) { |
b237eb25 | 2205 | dme1737_chmod_group(dev, |
73ce48f6 | 2206 | &dme1737_pwm_chmod_group[ix], |
b237eb25 | 2207 | S_IRUGO | S_IWUSR); |
ea694431 JH |
2208 | if ((data->has_features & HAS_PWM_MIN) && |
2209 | ix < 3) { | |
549edb83 | 2210 | dme1737_chmod_file(dev, |
ea694431 | 2211 | dme1737_auto_pwm_min_attr[ix], |
549edb83 JH |
2212 | S_IRUGO | S_IWUSR); |
2213 | } | |
b237eb25 JH |
2214 | } |
2215 | } | |
2216 | ||
2217 | /* Change permissions of pwm[1-3] if in manual mode */ | |
2218 | for (ix = 0; ix < 3; ix++) { | |
ea694431 | 2219 | if ((data->has_features & HAS_PWM(ix)) && |
b237eb25 JH |
2220 | (PWM_EN_FROM_REG(data->pwm_config[ix]) == 1)) { |
2221 | dme1737_chmod_file(dev, | |
73ce48f6 | 2222 | dme1737_pwm_chmod_attr[ix], |
b237eb25 JH |
2223 | S_IRUGO | S_IWUSR); |
2224 | } | |
2225 | } | |
2226 | } | |
2227 | ||
2228 | return 0; | |
2229 | ||
2230 | exit_remove: | |
2231 | dme1737_remove_files(dev); | |
2232 | exit: | |
2233 | return err; | |
2234 | } | |
2235 | ||
2236 | static int dme1737_init_device(struct device *dev) | |
2237 | { | |
2238 | struct dme1737_data *data = dev_get_drvdata(dev); | |
dbc2bc25 | 2239 | struct i2c_client *client = data->client; |
9431996f JH |
2240 | int ix; |
2241 | u8 reg; | |
2242 | ||
549edb83 JH |
2243 | /* Point to the right nominal voltages array */ |
2244 | data->in_nominal = IN_NOMINAL(data->type); | |
2245 | ||
dbc2bc25 | 2246 | data->config = dme1737_read(data, DME1737_REG_CONFIG); |
b237eb25 JH |
2247 | /* Inform if part is not monitoring/started */ |
2248 | if (!(data->config & 0x01)) { | |
2249 | if (!force_start) { | |
2250 | dev_err(dev, "Device is not monitoring. " | |
2251 | "Use the force_start load parameter to " | |
2252 | "override.\n"); | |
2253 | return -EFAULT; | |
2254 | } | |
2255 | ||
2256 | /* Force monitoring */ | |
2257 | data->config |= 0x01; | |
dbc2bc25 | 2258 | dme1737_write(data, DME1737_REG_CONFIG, data->config); |
b237eb25 | 2259 | } |
9431996f JH |
2260 | /* Inform if part is not ready */ |
2261 | if (!(data->config & 0x04)) { | |
b237eb25 | 2262 | dev_err(dev, "Device is not ready.\n"); |
9431996f JH |
2263 | return -EFAULT; |
2264 | } | |
2265 | ||
c8de8362 GR |
2266 | /* |
2267 | * Determine which optional fan and pwm features are enabled (only | |
2268 | * valid for I2C devices) | |
2269 | */ | |
dbc2bc25 JD |
2270 | if (client) { /* I2C chip */ |
2271 | data->config2 = dme1737_read(data, DME1737_REG_CONFIG2); | |
e95c237d | 2272 | /* Check if optional fan3 input is enabled */ |
c8de8362 | 2273 | if (data->config2 & 0x04) |
ea694431 | 2274 | data->has_features |= HAS_FAN(2); |
9431996f | 2275 | |
c8de8362 GR |
2276 | /* |
2277 | * Fan4 and pwm3 are only available if the client's I2C address | |
e95c237d | 2278 | * is the default 0x2e. Otherwise the I/Os associated with |
c8de8362 GR |
2279 | * these functions are used for addr enable/select. |
2280 | */ | |
2281 | if (client->addr == 0x2e) | |
ea694431 | 2282 | data->has_features |= HAS_FAN(3) | HAS_PWM(2); |
9431996f | 2283 | |
c8de8362 GR |
2284 | /* |
2285 | * Determine which of the optional fan[5-6] and pwm[5-6] | |
e95c237d JH |
2286 | * features are enabled. For this, we need to query the runtime |
2287 | * registers through the Super-IO LPC interface. Try both | |
c8de8362 GR |
2288 | * config ports 0x2e and 0x4e. |
2289 | */ | |
e95c237d JH |
2290 | if (dme1737_i2c_get_features(0x2e, data) && |
2291 | dme1737_i2c_get_features(0x4e, data)) { | |
2292 | dev_warn(dev, "Failed to query Super-IO for optional " | |
2293 | "features.\n"); | |
2294 | } | |
9431996f JH |
2295 | } |
2296 | ||
ea694431 JH |
2297 | /* Fan[1-2] and pwm[1-2] are present in all chips */ |
2298 | data->has_features |= HAS_FAN(0) | HAS_FAN(1) | HAS_PWM(0) | HAS_PWM(1); | |
2299 | ||
2300 | /* Chip-dependent features */ | |
2301 | switch (data->type) { | |
2302 | case dme1737: | |
2303 | data->has_features |= HAS_TEMP_OFFSET | HAS_VID | HAS_ZONE3 | | |
2304 | HAS_ZONE_HYST | HAS_PWM_MIN; | |
2305 | break; | |
2306 | case sch311x: | |
2307 | data->has_features |= HAS_TEMP_OFFSET | HAS_ZONE3 | | |
2308 | HAS_ZONE_HYST | HAS_PWM_MIN | HAS_FAN(2) | HAS_PWM(2); | |
2309 | break; | |
2310 | case sch5027: | |
2311 | data->has_features |= HAS_ZONE3; | |
2312 | break; | |
2313 | case sch5127: | |
d4b94e1f | 2314 | data->has_features |= HAS_FAN(2) | HAS_PWM(2) | HAS_IN7; |
ea694431 JH |
2315 | break; |
2316 | default: | |
2317 | break; | |
2318 | } | |
9431996f | 2319 | |
b237eb25 | 2320 | dev_info(dev, "Optional features: pwm3=%s, pwm5=%s, pwm6=%s, " |
9431996f | 2321 | "fan3=%s, fan4=%s, fan5=%s, fan6=%s.\n", |
ea694431 JH |
2322 | (data->has_features & HAS_PWM(2)) ? "yes" : "no", |
2323 | (data->has_features & HAS_PWM(4)) ? "yes" : "no", | |
2324 | (data->has_features & HAS_PWM(5)) ? "yes" : "no", | |
2325 | (data->has_features & HAS_FAN(2)) ? "yes" : "no", | |
2326 | (data->has_features & HAS_FAN(3)) ? "yes" : "no", | |
2327 | (data->has_features & HAS_FAN(4)) ? "yes" : "no", | |
2328 | (data->has_features & HAS_FAN(5)) ? "yes" : "no"); | |
9431996f | 2329 | |
dbc2bc25 | 2330 | reg = dme1737_read(data, DME1737_REG_TACH_PWM); |
9431996f | 2331 | /* Inform if fan-to-pwm mapping differs from the default */ |
dbc2bc25 | 2332 | if (client && reg != 0xa4) { /* I2C chip */ |
b237eb25 | 2333 | dev_warn(dev, "Non-standard fan to pwm mapping: " |
9431996f JH |
2334 | "fan1->pwm%d, fan2->pwm%d, fan3->pwm%d, " |
2335 | "fan4->pwm%d. Please report to the driver " | |
2336 | "maintainer.\n", | |
2337 | (reg & 0x03) + 1, ((reg >> 2) & 0x03) + 1, | |
2338 | ((reg >> 4) & 0x03) + 1, ((reg >> 6) & 0x03) + 1); | |
dbc2bc25 | 2339 | } else if (!client && reg != 0x24) { /* ISA chip */ |
e95c237d JH |
2340 | dev_warn(dev, "Non-standard fan to pwm mapping: " |
2341 | "fan1->pwm%d, fan2->pwm%d, fan3->pwm%d. " | |
2342 | "Please report to the driver maintainer.\n", | |
2343 | (reg & 0x03) + 1, ((reg >> 2) & 0x03) + 1, | |
2344 | ((reg >> 4) & 0x03) + 1); | |
9431996f JH |
2345 | } |
2346 | ||
c8de8362 GR |
2347 | /* |
2348 | * Switch pwm[1-3] to manual mode if they are currently disabled and | |
9431996f | 2349 | * set the duty-cycles to 0% (which is identical to the PWMs being |
c8de8362 GR |
2350 | * disabled). |
2351 | */ | |
9431996f JH |
2352 | if (!(data->config & 0x02)) { |
2353 | for (ix = 0; ix < 3; ix++) { | |
dbc2bc25 | 2354 | data->pwm_config[ix] = dme1737_read(data, |
9431996f | 2355 | DME1737_REG_PWM_CONFIG(ix)); |
ea694431 | 2356 | if ((data->has_features & HAS_PWM(ix)) && |
9431996f | 2357 | (PWM_EN_FROM_REG(data->pwm_config[ix]) == -1)) { |
b237eb25 | 2358 | dev_info(dev, "Switching pwm%d to " |
9431996f JH |
2359 | "manual mode.\n", ix + 1); |
2360 | data->pwm_config[ix] = PWM_EN_TO_REG(1, | |
2361 | data->pwm_config[ix]); | |
dbc2bc25 JD |
2362 | dme1737_write(data, DME1737_REG_PWM(ix), 0); |
2363 | dme1737_write(data, | |
9431996f JH |
2364 | DME1737_REG_PWM_CONFIG(ix), |
2365 | data->pwm_config[ix]); | |
2366 | } | |
2367 | } | |
2368 | } | |
2369 | ||
2370 | /* Initialize the default PWM auto channels zone (acz) assignments */ | |
2371 | data->pwm_acz[0] = 1; /* pwm1 -> zone1 */ | |
2372 | data->pwm_acz[1] = 2; /* pwm2 -> zone2 */ | |
2373 | data->pwm_acz[2] = 4; /* pwm3 -> zone3 */ | |
2374 | ||
2375 | /* Set VRM */ | |
c8de8362 | 2376 | if (data->has_features & HAS_VID) |
549edb83 | 2377 | data->vrm = vid_which_vrm(); |
9431996f JH |
2378 | |
2379 | return 0; | |
2380 | } | |
2381 | ||
67e2f328 JH |
2382 | /* --------------------------------------------------------------------- |
2383 | * I2C device detection and registration | |
2384 | * --------------------------------------------------------------------- */ | |
2385 | ||
2386 | static struct i2c_driver dme1737_i2c_driver; | |
2387 | ||
2388 | static int dme1737_i2c_get_features(int sio_cip, struct dme1737_data *data) | |
2389 | { | |
2390 | int err = 0, reg; | |
2391 | u16 addr; | |
2392 | ||
2393 | dme1737_sio_enter(sio_cip); | |
2394 | ||
c8de8362 GR |
2395 | /* |
2396 | * Check device ID | |
2397 | * We currently know about two kinds of DME1737 and SCH5027. | |
2398 | */ | |
345a2224 | 2399 | reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20); |
ea694431 JH |
2400 | if (!(reg == DME1737_ID_1 || reg == DME1737_ID_2 || |
2401 | reg == SCH5027_ID)) { | |
67e2f328 JH |
2402 | err = -ENODEV; |
2403 | goto exit; | |
2404 | } | |
2405 | ||
2406 | /* Select logical device A (runtime registers) */ | |
2407 | dme1737_sio_outb(sio_cip, 0x07, 0x0a); | |
2408 | ||
2409 | /* Get the base address of the runtime registers */ | |
06f3d9fb JH |
2410 | addr = (dme1737_sio_inb(sio_cip, 0x60) << 8) | |
2411 | dme1737_sio_inb(sio_cip, 0x61); | |
2412 | if (!addr) { | |
67e2f328 JH |
2413 | err = -ENODEV; |
2414 | goto exit; | |
2415 | } | |
2416 | ||
c8de8362 GR |
2417 | /* |
2418 | * Read the runtime registers to determine which optional features | |
67e2f328 | 2419 | * are enabled and available. Bits [3:2] of registers 0x43-0x46 are set |
c8de8362 GR |
2420 | * to '10' if the respective feature is enabled. |
2421 | */ | |
2422 | if ((inb(addr + 0x43) & 0x0c) == 0x08) /* fan6 */ | |
ea694431 | 2423 | data->has_features |= HAS_FAN(5); |
c8de8362 | 2424 | if ((inb(addr + 0x44) & 0x0c) == 0x08) /* pwm6 */ |
ea694431 | 2425 | data->has_features |= HAS_PWM(5); |
c8de8362 | 2426 | if ((inb(addr + 0x45) & 0x0c) == 0x08) /* fan5 */ |
ea694431 | 2427 | data->has_features |= HAS_FAN(4); |
c8de8362 | 2428 | if ((inb(addr + 0x46) & 0x0c) == 0x08) /* pwm5 */ |
ea694431 | 2429 | data->has_features |= HAS_PWM(4); |
67e2f328 JH |
2430 | |
2431 | exit: | |
2432 | dme1737_sio_exit(sio_cip); | |
2433 | ||
2434 | return err; | |
2435 | } | |
2436 | ||
67a37308 | 2437 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 2438 | static int dme1737_i2c_detect(struct i2c_client *client, |
67a37308 | 2439 | struct i2c_board_info *info) |
9431996f | 2440 | { |
67a37308 JD |
2441 | struct i2c_adapter *adapter = client->adapter; |
2442 | struct device *dev = &adapter->dev; | |
9431996f | 2443 | u8 company, verstep = 0; |
9431996f JH |
2444 | const char *name; |
2445 | ||
c8de8362 | 2446 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
67a37308 | 2447 | return -ENODEV; |
9431996f | 2448 | |
52df6440 JD |
2449 | company = i2c_smbus_read_byte_data(client, DME1737_REG_COMPANY); |
2450 | verstep = i2c_smbus_read_byte_data(client, DME1737_REG_VERSTEP); | |
9431996f | 2451 | |
52df6440 JD |
2452 | if (company == DME1737_COMPANY_SMSC && |
2453 | verstep == SCH5027_VERSTEP) { | |
549edb83 | 2454 | name = "sch5027"; |
52df6440 JD |
2455 | } else if (company == DME1737_COMPANY_SMSC && |
2456 | (verstep & DME1737_VERSTEP_MASK) == DME1737_VERSTEP) { | |
549edb83 | 2457 | name = "dme1737"; |
52df6440 JD |
2458 | } else { |
2459 | return -ENODEV; | |
549edb83 | 2460 | } |
9431996f | 2461 | |
549edb83 | 2462 | dev_info(dev, "Found a %s chip at 0x%02x (rev 0x%02x).\n", |
52df6440 JD |
2463 | verstep == SCH5027_VERSTEP ? "SCH5027" : "DME1737", |
2464 | client->addr, verstep); | |
67a37308 JD |
2465 | strlcpy(info->type, name, I2C_NAME_SIZE); |
2466 | ||
2467 | return 0; | |
2468 | } | |
2469 | ||
2470 | static int dme1737_i2c_probe(struct i2c_client *client, | |
2471 | const struct i2c_device_id *id) | |
2472 | { | |
2473 | struct dme1737_data *data; | |
2474 | struct device *dev = &client->dev; | |
2475 | int err; | |
2476 | ||
805fd8c5 GR |
2477 | data = devm_kzalloc(dev, sizeof(struct dme1737_data), GFP_KERNEL); |
2478 | if (!data) | |
2479 | return -ENOMEM; | |
67a37308 JD |
2480 | |
2481 | i2c_set_clientdata(client, data); | |
2482 | data->type = id->driver_data; | |
2483 | data->client = client; | |
2484 | data->name = client->name; | |
2485 | mutex_init(&data->update_lock); | |
b237eb25 | 2486 | |
9431996f | 2487 | /* Initialize the DME1737 chip */ |
06f3d9fb JH |
2488 | err = dme1737_init_device(dev); |
2489 | if (err) { | |
b237eb25 | 2490 | dev_err(dev, "Failed to initialize device.\n"); |
805fd8c5 | 2491 | return err; |
9431996f JH |
2492 | } |
2493 | ||
b237eb25 | 2494 | /* Create sysfs files */ |
06f3d9fb JH |
2495 | err = dme1737_create_files(dev); |
2496 | if (err) { | |
b237eb25 | 2497 | dev_err(dev, "Failed to create sysfs files.\n"); |
805fd8c5 | 2498 | return err; |
9431996f JH |
2499 | } |
2500 | ||
2501 | /* Register device */ | |
62ee3e10 | 2502 | data->hwmon_dev = hwmon_device_register(dev); |
1beeffe4 | 2503 | if (IS_ERR(data->hwmon_dev)) { |
b237eb25 | 2504 | dev_err(dev, "Failed to register device.\n"); |
1beeffe4 | 2505 | err = PTR_ERR(data->hwmon_dev); |
9431996f JH |
2506 | goto exit_remove; |
2507 | } | |
2508 | ||
9431996f JH |
2509 | return 0; |
2510 | ||
2511 | exit_remove: | |
b237eb25 | 2512 | dme1737_remove_files(dev); |
9431996f JH |
2513 | return err; |
2514 | } | |
2515 | ||
67a37308 | 2516 | static int dme1737_i2c_remove(struct i2c_client *client) |
9431996f JH |
2517 | { |
2518 | struct dme1737_data *data = i2c_get_clientdata(client); | |
9431996f | 2519 | |
1beeffe4 | 2520 | hwmon_device_unregister(data->hwmon_dev); |
b237eb25 | 2521 | dme1737_remove_files(&client->dev); |
9431996f | 2522 | |
9431996f JH |
2523 | return 0; |
2524 | } | |
2525 | ||
67a37308 JD |
2526 | static const struct i2c_device_id dme1737_id[] = { |
2527 | { "dme1737", dme1737 }, | |
2528 | { "sch5027", sch5027 }, | |
2529 | { } | |
2530 | }; | |
2531 | MODULE_DEVICE_TABLE(i2c, dme1737_id); | |
2532 | ||
b237eb25 | 2533 | static struct i2c_driver dme1737_i2c_driver = { |
67a37308 | 2534 | .class = I2C_CLASS_HWMON, |
9431996f JH |
2535 | .driver = { |
2536 | .name = "dme1737", | |
2537 | }, | |
67a37308 JD |
2538 | .probe = dme1737_i2c_probe, |
2539 | .remove = dme1737_i2c_remove, | |
2540 | .id_table = dme1737_id, | |
2541 | .detect = dme1737_i2c_detect, | |
c3813d6a | 2542 | .address_list = normal_i2c, |
9431996f JH |
2543 | }; |
2544 | ||
e95c237d JH |
2545 | /* --------------------------------------------------------------------- |
2546 | * ISA device detection and registration | |
2547 | * --------------------------------------------------------------------- */ | |
2548 | ||
2549 | static int __init dme1737_isa_detect(int sio_cip, unsigned short *addr) | |
2550 | { | |
2551 | int err = 0, reg; | |
2552 | unsigned short base_addr; | |
2553 | ||
2554 | dme1737_sio_enter(sio_cip); | |
2555 | ||
c8de8362 GR |
2556 | /* |
2557 | * Check device ID | |
2558 | * We currently know about SCH3112, SCH3114, SCH3116, and SCH5127 | |
2559 | */ | |
67b671bc | 2560 | reg = force_id ? force_id : dme1737_sio_inb(sio_cip, 0x20); |
ea694431 JH |
2561 | if (!(reg == SCH3112_ID || reg == SCH3114_ID || reg == SCH3116_ID || |
2562 | reg == SCH5127_ID)) { | |
e95c237d JH |
2563 | err = -ENODEV; |
2564 | goto exit; | |
2565 | } | |
2566 | ||
2567 | /* Select logical device A (runtime registers) */ | |
2568 | dme1737_sio_outb(sio_cip, 0x07, 0x0a); | |
2569 | ||
2570 | /* Get the base address of the runtime registers */ | |
06f3d9fb JH |
2571 | base_addr = (dme1737_sio_inb(sio_cip, 0x60) << 8) | |
2572 | dme1737_sio_inb(sio_cip, 0x61); | |
2573 | if (!base_addr) { | |
9c6e13b4 | 2574 | pr_err("Base address not set\n"); |
e95c237d JH |
2575 | err = -ENODEV; |
2576 | goto exit; | |
2577 | } | |
2578 | ||
c8de8362 GR |
2579 | /* |
2580 | * Access to the hwmon registers is through an index/data register | |
2581 | * pair located at offset 0x70/0x71. | |
2582 | */ | |
e95c237d JH |
2583 | *addr = base_addr + 0x70; |
2584 | ||
2585 | exit: | |
2586 | dme1737_sio_exit(sio_cip); | |
2587 | return err; | |
2588 | } | |
2589 | ||
2590 | static int __init dme1737_isa_device_add(unsigned short addr) | |
2591 | { | |
2592 | struct resource res = { | |
2593 | .start = addr, | |
2594 | .end = addr + DME1737_EXTENT - 1, | |
2595 | .name = "dme1737", | |
2596 | .flags = IORESOURCE_IO, | |
2597 | }; | |
2598 | int err; | |
2599 | ||
b9acb64a JD |
2600 | err = acpi_check_resource_conflict(&res); |
2601 | if (err) | |
2602 | goto exit; | |
2603 | ||
06f3d9fb JH |
2604 | pdev = platform_device_alloc("dme1737", addr); |
2605 | if (!pdev) { | |
9c6e13b4 | 2606 | pr_err("Failed to allocate device\n"); |
e95c237d JH |
2607 | err = -ENOMEM; |
2608 | goto exit; | |
2609 | } | |
2610 | ||
06f3d9fb JH |
2611 | err = platform_device_add_resources(pdev, &res, 1); |
2612 | if (err) { | |
9c6e13b4 | 2613 | pr_err("Failed to add device resource (err = %d)\n", err); |
e95c237d JH |
2614 | goto exit_device_put; |
2615 | } | |
2616 | ||
06f3d9fb JH |
2617 | err = platform_device_add(pdev); |
2618 | if (err) { | |
9c6e13b4 | 2619 | pr_err("Failed to add device (err = %d)\n", err); |
e95c237d JH |
2620 | goto exit_device_put; |
2621 | } | |
2622 | ||
2623 | return 0; | |
2624 | ||
2625 | exit_device_put: | |
2626 | platform_device_put(pdev); | |
2627 | pdev = NULL; | |
2628 | exit: | |
2629 | return err; | |
2630 | } | |
2631 | ||
6c931ae1 | 2632 | static int dme1737_isa_probe(struct platform_device *pdev) |
e95c237d JH |
2633 | { |
2634 | u8 company, device; | |
2635 | struct resource *res; | |
e95c237d JH |
2636 | struct dme1737_data *data; |
2637 | struct device *dev = &pdev->dev; | |
2638 | int err; | |
2639 | ||
2640 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
805fd8c5 | 2641 | if (!devm_request_region(dev, res->start, DME1737_EXTENT, "dme1737")) { |
e95c237d JH |
2642 | dev_err(dev, "Failed to request region 0x%04x-0x%04x.\n", |
2643 | (unsigned short)res->start, | |
2644 | (unsigned short)res->start + DME1737_EXTENT - 1); | |
805fd8c5 | 2645 | return -EBUSY; |
06f3d9fb | 2646 | } |
e95c237d | 2647 | |
805fd8c5 GR |
2648 | data = devm_kzalloc(dev, sizeof(struct dme1737_data), GFP_KERNEL); |
2649 | if (!data) | |
2650 | return -ENOMEM; | |
e95c237d | 2651 | |
dbc2bc25 | 2652 | data->addr = res->start; |
e95c237d JH |
2653 | platform_set_drvdata(pdev, data); |
2654 | ||
55d68d75 | 2655 | /* Skip chip detection if module is loaded with force_id parameter */ |
ea694431 JH |
2656 | switch (force_id) { |
2657 | case SCH3112_ID: | |
2658 | case SCH3114_ID: | |
2659 | case SCH3116_ID: | |
2660 | data->type = sch311x; | |
2661 | break; | |
2662 | case SCH5127_ID: | |
2663 | data->type = sch5127; | |
2664 | break; | |
2665 | default: | |
dbc2bc25 JD |
2666 | company = dme1737_read(data, DME1737_REG_COMPANY); |
2667 | device = dme1737_read(data, DME1737_REG_DEVICE); | |
e95c237d | 2668 | |
ea694431 JH |
2669 | if ((company == DME1737_COMPANY_SMSC) && |
2670 | (device == SCH311X_DEVICE)) { | |
2671 | data->type = sch311x; | |
2672 | } else if ((company == DME1737_COMPANY_SMSC) && | |
2673 | (device == SCH5127_DEVICE)) { | |
2674 | data->type = sch5127; | |
2675 | } else { | |
805fd8c5 | 2676 | return -ENODEV; |
55d68d75 | 2677 | } |
e95c237d JH |
2678 | } |
2679 | ||
c8de8362 | 2680 | if (data->type == sch5127) |
ea694431 | 2681 | data->name = "sch5127"; |
c8de8362 | 2682 | else |
ea694431 | 2683 | data->name = "sch311x"; |
ea694431 JH |
2684 | |
2685 | /* Initialize the mutex */ | |
e95c237d JH |
2686 | mutex_init(&data->update_lock); |
2687 | ||
ea694431 JH |
2688 | dev_info(dev, "Found a %s chip at 0x%04x\n", |
2689 | data->type == sch5127 ? "SCH5127" : "SCH311x", data->addr); | |
e95c237d JH |
2690 | |
2691 | /* Initialize the chip */ | |
06f3d9fb JH |
2692 | err = dme1737_init_device(dev); |
2693 | if (err) { | |
e95c237d | 2694 | dev_err(dev, "Failed to initialize device.\n"); |
805fd8c5 | 2695 | return err; |
e95c237d JH |
2696 | } |
2697 | ||
2698 | /* Create sysfs files */ | |
06f3d9fb JH |
2699 | err = dme1737_create_files(dev); |
2700 | if (err) { | |
e95c237d | 2701 | dev_err(dev, "Failed to create sysfs files.\n"); |
805fd8c5 | 2702 | return err; |
e95c237d JH |
2703 | } |
2704 | ||
2705 | /* Register device */ | |
2706 | data->hwmon_dev = hwmon_device_register(dev); | |
2707 | if (IS_ERR(data->hwmon_dev)) { | |
2708 | dev_err(dev, "Failed to register device.\n"); | |
2709 | err = PTR_ERR(data->hwmon_dev); | |
2710 | goto exit_remove_files; | |
2711 | } | |
2712 | ||
2713 | return 0; | |
2714 | ||
2715 | exit_remove_files: | |
2716 | dme1737_remove_files(dev); | |
e95c237d JH |
2717 | return err; |
2718 | } | |
2719 | ||
281dfd0b | 2720 | static int dme1737_isa_remove(struct platform_device *pdev) |
e95c237d JH |
2721 | { |
2722 | struct dme1737_data *data = platform_get_drvdata(pdev); | |
2723 | ||
2724 | hwmon_device_unregister(data->hwmon_dev); | |
2725 | dme1737_remove_files(&pdev->dev); | |
e95c237d JH |
2726 | |
2727 | return 0; | |
2728 | } | |
2729 | ||
2730 | static struct platform_driver dme1737_isa_driver = { | |
2731 | .driver = { | |
2732 | .owner = THIS_MODULE, | |
2733 | .name = "dme1737", | |
2734 | }, | |
2735 | .probe = dme1737_isa_probe, | |
9e5e9b7a | 2736 | .remove = dme1737_isa_remove, |
e95c237d JH |
2737 | }; |
2738 | ||
67e2f328 JH |
2739 | /* --------------------------------------------------------------------- |
2740 | * Module initialization and cleanup | |
2741 | * --------------------------------------------------------------------- */ | |
2742 | ||
9431996f JH |
2743 | static int __init dme1737_init(void) |
2744 | { | |
e95c237d JH |
2745 | int err; |
2746 | unsigned short addr; | |
2747 | ||
06f3d9fb | 2748 | err = i2c_add_driver(&dme1737_i2c_driver); |
c8de8362 | 2749 | if (err) |
e95c237d | 2750 | goto exit; |
e95c237d JH |
2751 | |
2752 | if (dme1737_isa_detect(0x2e, &addr) && | |
92430b6f JH |
2753 | dme1737_isa_detect(0x4e, &addr) && |
2754 | (!probe_all_addr || | |
2755 | (dme1737_isa_detect(0x162e, &addr) && | |
2756 | dme1737_isa_detect(0x164e, &addr)))) { | |
e95c237d JH |
2757 | /* Return 0 if we didn't find an ISA device */ |
2758 | return 0; | |
2759 | } | |
2760 | ||
06f3d9fb | 2761 | err = platform_driver_register(&dme1737_isa_driver); |
c8de8362 | 2762 | if (err) |
e95c237d | 2763 | goto exit_del_i2c_driver; |
e95c237d JH |
2764 | |
2765 | /* Sets global pdev as a side effect */ | |
06f3d9fb | 2766 | err = dme1737_isa_device_add(addr); |
c8de8362 | 2767 | if (err) |
e95c237d | 2768 | goto exit_del_isa_driver; |
e95c237d JH |
2769 | |
2770 | return 0; | |
2771 | ||
2772 | exit_del_isa_driver: | |
2773 | platform_driver_unregister(&dme1737_isa_driver); | |
2774 | exit_del_i2c_driver: | |
2775 | i2c_del_driver(&dme1737_i2c_driver); | |
2776 | exit: | |
2777 | return err; | |
9431996f JH |
2778 | } |
2779 | ||
2780 | static void __exit dme1737_exit(void) | |
2781 | { | |
e95c237d JH |
2782 | if (pdev) { |
2783 | platform_device_unregister(pdev); | |
2784 | platform_driver_unregister(&dme1737_isa_driver); | |
2785 | } | |
2786 | ||
b237eb25 | 2787 | i2c_del_driver(&dme1737_i2c_driver); |
9431996f JH |
2788 | } |
2789 | ||
2790 | MODULE_AUTHOR("Juerg Haefliger <juergh@gmail.com>"); | |
2791 | MODULE_DESCRIPTION("DME1737 sensors"); | |
2792 | MODULE_LICENSE("GPL"); | |
2793 | ||
2794 | module_init(dme1737_init); | |
2795 | module_exit(dme1737_exit); |