Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1 | /* |
| 2 | * w83795.c - Linux kernel driver for hardware monitoring |
| 3 | * Copyright (C) 2008 Nuvoton Technology Corp. |
| 4 | * Wei Song |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation - version 2. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 18 | * 02110-1301 USA. |
| 19 | * |
| 20 | * Supports following chips: |
| 21 | * |
| 22 | * Chip #vin #fanin #pwm #temp #dts wchipid vendid i2c ISA |
| 23 | * w83795g 21 14 8 6 8 0x79 0x5ca3 yes no |
| 24 | * w83795adg 18 14 2 6 8 0x79 0x5ca3 yes no |
| 25 | */ |
| 26 | |
| 27 | #include <linux/kernel.h> |
| 28 | #include <linux/module.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <linux/slab.h> |
| 31 | #include <linux/i2c.h> |
| 32 | #include <linux/hwmon.h> |
| 33 | #include <linux/hwmon-sysfs.h> |
| 34 | #include <linux/err.h> |
| 35 | #include <linux/mutex.h> |
| 36 | #include <linux/delay.h> |
| 37 | |
| 38 | /* Addresses to scan */ |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 39 | static const unsigned short normal_i2c[] = { |
| 40 | 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END |
| 41 | }; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 42 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 43 | |
| 44 | static int reset; |
| 45 | module_param(reset, bool, 0); |
| 46 | MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); |
| 47 | |
| 48 | |
| 49 | #define W83795_REG_BANKSEL 0x00 |
| 50 | #define W83795_REG_VENDORID 0xfd |
| 51 | #define W83795_REG_CHIPID 0xfe |
| 52 | #define W83795_REG_DEVICEID 0xfb |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 53 | #define W83795_REG_DEVICEID_A 0xff |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 54 | |
| 55 | #define W83795_REG_I2C_ADDR 0xfc |
| 56 | #define W83795_REG_CONFIG 0x01 |
| 57 | #define W83795_REG_CONFIG_CONFIG48 0x04 |
Jean Delvare | 80646b9 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 58 | #define W83795_REG_CONFIG_START 0x01 |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 59 | |
| 60 | /* Multi-Function Pin Ctrl Registers */ |
| 61 | #define W83795_REG_VOLT_CTRL1 0x02 |
| 62 | #define W83795_REG_VOLT_CTRL2 0x03 |
| 63 | #define W83795_REG_TEMP_CTRL1 0x04 |
| 64 | #define W83795_REG_TEMP_CTRL2 0x05 |
| 65 | #define W83795_REG_FANIN_CTRL1 0x06 |
| 66 | #define W83795_REG_FANIN_CTRL2 0x07 |
| 67 | #define W83795_REG_VMIGB_CTRL 0x08 |
| 68 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 69 | #define TEMP_READ 0 |
| 70 | #define TEMP_CRIT 1 |
| 71 | #define TEMP_CRIT_HYST 2 |
| 72 | #define TEMP_WARN 3 |
| 73 | #define TEMP_WARN_HYST 4 |
| 74 | /* only crit and crit_hyst affect real-time alarm status |
| 75 | * current crit crit_hyst warn warn_hyst */ |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 76 | static const u16 W83795_REG_TEMP[][5] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 77 | {0x21, 0x96, 0x97, 0x98, 0x99}, /* TD1/TR1 */ |
| 78 | {0x22, 0x9a, 0x9b, 0x9c, 0x9d}, /* TD2/TR2 */ |
| 79 | {0x23, 0x9e, 0x9f, 0xa0, 0xa1}, /* TD3/TR3 */ |
| 80 | {0x24, 0xa2, 0xa3, 0xa4, 0xa5}, /* TD4/TR4 */ |
| 81 | {0x1f, 0xa6, 0xa7, 0xa8, 0xa9}, /* TR5 */ |
| 82 | {0x20, 0xaa, 0xab, 0xac, 0xad}, /* TR6 */ |
| 83 | }; |
| 84 | |
| 85 | #define IN_READ 0 |
| 86 | #define IN_MAX 1 |
| 87 | #define IN_LOW 2 |
| 88 | static const u16 W83795_REG_IN[][3] = { |
| 89 | /* Current, HL, LL */ |
| 90 | {0x10, 0x70, 0x71}, /* VSEN1 */ |
| 91 | {0x11, 0x72, 0x73}, /* VSEN2 */ |
| 92 | {0x12, 0x74, 0x75}, /* VSEN3 */ |
| 93 | {0x13, 0x76, 0x77}, /* VSEN4 */ |
| 94 | {0x14, 0x78, 0x79}, /* VSEN5 */ |
| 95 | {0x15, 0x7a, 0x7b}, /* VSEN6 */ |
| 96 | {0x16, 0x7c, 0x7d}, /* VSEN7 */ |
| 97 | {0x17, 0x7e, 0x7f}, /* VSEN8 */ |
| 98 | {0x18, 0x80, 0x81}, /* VSEN9 */ |
| 99 | {0x19, 0x82, 0x83}, /* VSEN10 */ |
| 100 | {0x1A, 0x84, 0x85}, /* VSEN11 */ |
| 101 | {0x1B, 0x86, 0x87}, /* VTT */ |
| 102 | {0x1C, 0x88, 0x89}, /* 3VDD */ |
| 103 | {0x1D, 0x8a, 0x8b}, /* 3VSB */ |
| 104 | {0x1E, 0x8c, 0x8d}, /* VBAT */ |
| 105 | {0x1F, 0xa6, 0xa7}, /* VSEN12 */ |
| 106 | {0x20, 0xaa, 0xab}, /* VSEN13 */ |
| 107 | {0x21, 0x96, 0x97}, /* VSEN14 */ |
| 108 | {0x22, 0x9a, 0x9b}, /* VSEN15 */ |
| 109 | {0x23, 0x9e, 0x9f}, /* VSEN16 */ |
| 110 | {0x24, 0xa2, 0xa3}, /* VSEN17 */ |
| 111 | }; |
| 112 | #define W83795_REG_VRLSB 0x3C |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 113 | |
| 114 | static const u8 W83795_REG_IN_HL_LSB[] = { |
| 115 | 0x8e, /* VSEN1-4 */ |
| 116 | 0x90, /* VSEN5-8 */ |
| 117 | 0x92, /* VSEN9-11 */ |
| 118 | 0x94, /* VTT, 3VDD, 3VSB, 3VBAT */ |
| 119 | 0xa8, /* VSEN12 */ |
| 120 | 0xac, /* VSEN13 */ |
| 121 | 0x98, /* VSEN14 */ |
| 122 | 0x9c, /* VSEN15 */ |
| 123 | 0xa0, /* VSEN16 */ |
| 124 | 0xa4, /* VSEN17 */ |
| 125 | }; |
| 126 | |
| 127 | #define IN_LSB_REG(index, type) \ |
| 128 | (((type) == 1) ? W83795_REG_IN_HL_LSB[(index)] \ |
| 129 | : (W83795_REG_IN_HL_LSB[(index)] + 1)) |
| 130 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 131 | #define IN_LSB_SHIFT 0 |
| 132 | #define IN_LSB_IDX 1 |
| 133 | static const u8 IN_LSB_SHIFT_IDX[][2] = { |
| 134 | /* High/Low LSB shift, LSB No. */ |
| 135 | {0x00, 0x00}, /* VSEN1 */ |
| 136 | {0x02, 0x00}, /* VSEN2 */ |
| 137 | {0x04, 0x00}, /* VSEN3 */ |
| 138 | {0x06, 0x00}, /* VSEN4 */ |
| 139 | {0x00, 0x01}, /* VSEN5 */ |
| 140 | {0x02, 0x01}, /* VSEN6 */ |
| 141 | {0x04, 0x01}, /* VSEN7 */ |
| 142 | {0x06, 0x01}, /* VSEN8 */ |
| 143 | {0x00, 0x02}, /* VSEN9 */ |
| 144 | {0x02, 0x02}, /* VSEN10 */ |
| 145 | {0x04, 0x02}, /* VSEN11 */ |
| 146 | {0x00, 0x03}, /* VTT */ |
| 147 | {0x02, 0x03}, /* 3VDD */ |
| 148 | {0x04, 0x03}, /* 3VSB */ |
| 149 | {0x06, 0x03}, /* VBAT */ |
| 150 | {0x06, 0x04}, /* VSEN12 */ |
| 151 | {0x06, 0x05}, /* VSEN13 */ |
| 152 | {0x06, 0x06}, /* VSEN14 */ |
| 153 | {0x06, 0x07}, /* VSEN15 */ |
| 154 | {0x06, 0x08}, /* VSEN16 */ |
| 155 | {0x06, 0x09}, /* VSEN17 */ |
| 156 | }; |
| 157 | |
| 158 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 159 | #define W83795_REG_FAN(index) (0x2E + (index)) |
| 160 | #define W83795_REG_FAN_MIN_HL(index) (0xB6 + (index)) |
| 161 | #define W83795_REG_FAN_MIN_LSB(index) (0xC4 + (index) / 2) |
| 162 | #define W83795_REG_FAN_MIN_LSB_SHIFT(index) \ |
Jean Delvare | 7eb8d50 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 163 | (((index) & 1) ? 4 : 0) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 164 | |
| 165 | #define W83795_REG_VID_CTRL 0x6A |
| 166 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 167 | #define W83795_REG_ALARM(index) (0x41 + (index)) |
| 168 | #define W83795_REG_BEEP(index) (0x50 + (index)) |
| 169 | |
| 170 | #define W83795_REG_CLR_CHASSIS 0x4D |
| 171 | |
| 172 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 173 | #define W83795_REG_FCMS1 0x201 |
| 174 | #define W83795_REG_FCMS2 0x208 |
| 175 | #define W83795_REG_TFMR(index) (0x202 + (index)) |
| 176 | #define W83795_REG_FOMC 0x20F |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 177 | |
| 178 | #define W83795_REG_TSS(index) (0x209 + (index)) |
| 179 | |
| 180 | #define PWM_OUTPUT 0 |
| 181 | #define PWM_START 1 |
| 182 | #define PWM_NONSTOP 2 |
| 183 | #define PWM_STOP_TIME 3 |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 184 | #define PWM_FREQ 4 |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 185 | #define W83795_REG_PWM(index, nr) \ |
| 186 | (((nr) == 0 ? 0x210 : \ |
| 187 | (nr) == 1 ? 0x220 : \ |
| 188 | (nr) == 2 ? 0x228 : \ |
| 189 | (nr) == 3 ? 0x230 : 0x218) + (index)) |
| 190 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 191 | #define W83795_REG_FTSH(index) (0x240 + (index) * 2) |
| 192 | #define W83795_REG_FTSL(index) (0x241 + (index) * 2) |
| 193 | #define W83795_REG_TFTS 0x250 |
| 194 | |
| 195 | #define TEMP_PWM_TTTI 0 |
| 196 | #define TEMP_PWM_CTFS 1 |
| 197 | #define TEMP_PWM_HCT 2 |
| 198 | #define TEMP_PWM_HOT 3 |
| 199 | #define W83795_REG_TTTI(index) (0x260 + (index)) |
| 200 | #define W83795_REG_CTFS(index) (0x268 + (index)) |
| 201 | #define W83795_REG_HT(index) (0x270 + (index)) |
| 202 | |
| 203 | #define SF4_TEMP 0 |
| 204 | #define SF4_PWM 1 |
| 205 | #define W83795_REG_SF4_TEMP(temp_num, index) \ |
| 206 | (0x280 + 0x10 * (temp_num) + (index)) |
| 207 | #define W83795_REG_SF4_PWM(temp_num, index) \ |
| 208 | (0x288 + 0x10 * (temp_num) + (index)) |
| 209 | |
| 210 | #define W83795_REG_DTSC 0x301 |
| 211 | #define W83795_REG_DTSE 0x302 |
| 212 | #define W83795_REG_DTS(index) (0x26 + (index)) |
Jean Delvare | 54891a3 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 213 | #define W83795_REG_PECI_TBASE(index) (0x320 + (index)) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 214 | |
| 215 | #define DTS_CRIT 0 |
| 216 | #define DTS_CRIT_HYST 1 |
| 217 | #define DTS_WARN 2 |
| 218 | #define DTS_WARN_HYST 3 |
| 219 | #define W83795_REG_DTS_EXT(index) (0xB2 + (index)) |
| 220 | |
| 221 | #define SETUP_PWM_DEFAULT 0 |
| 222 | #define SETUP_PWM_UPTIME 1 |
| 223 | #define SETUP_PWM_DOWNTIME 2 |
| 224 | #define W83795_REG_SETUP_PWM(index) (0x20C + (index)) |
| 225 | |
| 226 | static inline u16 in_from_reg(u8 index, u16 val) |
| 227 | { |
Jean Delvare | 49c7347 | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 228 | /* 3VDD, 3VSB and VBAT: 6 mV/bit; other inputs: 2 mV/bit */ |
| 229 | if (index >= 12 && index <= 14) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 230 | return val * 6; |
| 231 | else |
| 232 | return val * 2; |
| 233 | } |
| 234 | |
| 235 | static inline u16 in_to_reg(u8 index, u16 val) |
| 236 | { |
Jean Delvare | 49c7347 | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 237 | if (index >= 12 && index <= 14) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 238 | return val / 6; |
| 239 | else |
| 240 | return val / 2; |
| 241 | } |
| 242 | |
| 243 | static inline unsigned long fan_from_reg(u16 val) |
| 244 | { |
Jean Delvare | 6c82b2f | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 245 | if ((val == 0xfff) || (val == 0)) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 246 | return 0; |
| 247 | return 1350000UL / val; |
| 248 | } |
| 249 | |
| 250 | static inline u16 fan_to_reg(long rpm) |
| 251 | { |
| 252 | if (rpm <= 0) |
| 253 | return 0x0fff; |
| 254 | return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe); |
| 255 | } |
| 256 | |
| 257 | static inline unsigned long time_from_reg(u8 reg) |
| 258 | { |
| 259 | return reg * 100; |
| 260 | } |
| 261 | |
| 262 | static inline u8 time_to_reg(unsigned long val) |
| 263 | { |
| 264 | return SENSORS_LIMIT((val + 50) / 100, 0, 0xff); |
| 265 | } |
| 266 | |
| 267 | static inline long temp_from_reg(s8 reg) |
| 268 | { |
| 269 | return reg * 1000; |
| 270 | } |
| 271 | |
| 272 | static inline s8 temp_to_reg(long val, s8 min, s8 max) |
| 273 | { |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 274 | return SENSORS_LIMIT(val / 1000, min, max); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 275 | } |
| 276 | |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 277 | static const u16 pwm_freq_cksel0[16] = { |
| 278 | 1024, 512, 341, 256, 205, 171, 146, 128, |
| 279 | 85, 64, 32, 16, 8, 4, 2, 1 |
| 280 | }; |
| 281 | |
| 282 | static unsigned int pwm_freq_from_reg(u8 reg, u16 clkin) |
| 283 | { |
| 284 | unsigned long base_clock; |
| 285 | |
| 286 | if (reg & 0x80) { |
| 287 | base_clock = clkin * 1000 / ((clkin == 48000) ? 384 : 256); |
| 288 | return base_clock / ((reg & 0x7f) + 1); |
| 289 | } else |
| 290 | return pwm_freq_cksel0[reg & 0x0f]; |
| 291 | } |
| 292 | |
| 293 | static u8 pwm_freq_to_reg(unsigned long val, u16 clkin) |
| 294 | { |
| 295 | unsigned long base_clock; |
| 296 | u8 reg0, reg1; |
| 297 | unsigned long best0, best1; |
| 298 | |
| 299 | /* Best fit for cksel = 0 */ |
| 300 | for (reg0 = 0; reg0 < ARRAY_SIZE(pwm_freq_cksel0) - 1; reg0++) { |
| 301 | if (val > (pwm_freq_cksel0[reg0] + |
| 302 | pwm_freq_cksel0[reg0 + 1]) / 2) |
| 303 | break; |
| 304 | } |
| 305 | if (val < 375) /* cksel = 1 can't beat this */ |
| 306 | return reg0; |
| 307 | best0 = pwm_freq_cksel0[reg0]; |
| 308 | |
| 309 | /* Best fit for cksel = 1 */ |
| 310 | base_clock = clkin * 1000 / ((clkin == 48000) ? 384 : 256); |
| 311 | reg1 = SENSORS_LIMIT(DIV_ROUND_CLOSEST(base_clock, val), 1, 128); |
| 312 | best1 = base_clock / reg1; |
| 313 | reg1 = 0x80 | (reg1 - 1); |
| 314 | |
| 315 | /* Choose the closest one */ |
| 316 | if (abs(val - best0) > abs(val - best1)) |
| 317 | return reg1; |
| 318 | else |
| 319 | return reg0; |
| 320 | } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 321 | |
| 322 | enum chip_types {w83795g, w83795adg}; |
| 323 | |
| 324 | struct w83795_data { |
| 325 | struct device *hwmon_dev; |
| 326 | struct mutex update_lock; |
| 327 | unsigned long last_updated; /* In jiffies */ |
| 328 | enum chip_types chip_type; |
| 329 | |
| 330 | u8 bank; |
| 331 | |
| 332 | u32 has_in; /* Enable monitor VIN or not */ |
Jean Delvare | 0e25601 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 333 | u8 has_dyn_in; /* Only in2-0 can have this */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 334 | u16 in[21][3]; /* Register value, read/high/low */ |
| 335 | u8 in_lsb[10][3]; /* LSB Register value, high/low */ |
| 336 | u8 has_gain; /* has gain: in17-20 * 8 */ |
| 337 | |
| 338 | u16 has_fan; /* Enable fan14-1 or not */ |
| 339 | u16 fan[14]; /* Register value combine */ |
| 340 | u16 fan_min[14]; /* Register value combine */ |
| 341 | |
| 342 | u8 has_temp; /* Enable monitor temp6-1 or not */ |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 343 | s8 temp[6][5]; /* current, crit, crit_hyst, warn, warn_hyst */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 344 | u8 temp_read_vrlsb[6]; |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 345 | u8 temp_mode; /* Bit vector, 0 = TR, 1 = TD */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 346 | u8 temp_src[3]; /* Register value */ |
| 347 | |
| 348 | u8 enable_dts; /* Enable PECI and SB-TSI, |
| 349 | * bit 0: =1 enable, =0 disable, |
| 350 | * bit 1: =1 AMD SB-TSI, =0 Intel PECI */ |
| 351 | u8 has_dts; /* Enable monitor DTS temp */ |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 352 | s8 dts[8]; /* Register value */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 353 | u8 dts_read_vrlsb[8]; /* Register value */ |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 354 | s8 dts_ext[4]; /* Register value */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 355 | |
| 356 | u8 has_pwm; /* 795g supports 8 pwm, 795adg only supports 2, |
| 357 | * no config register, only affected by chip |
| 358 | * type */ |
| 359 | u8 pwm[8][5]; /* Register value, output, start, non stop, stop |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 360 | * time, freq */ |
| 361 | u16 clkin; /* CLKIN frequency in kHz */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 362 | u8 pwm_fcms[2]; /* Register value */ |
| 363 | u8 pwm_tfmr[6]; /* Register value */ |
| 364 | u8 pwm_fomc; /* Register value */ |
| 365 | |
| 366 | u16 target_speed[8]; /* Register value, target speed for speed |
| 367 | * cruise */ |
| 368 | u8 tol_speed; /* tolerance of target speed */ |
| 369 | u8 pwm_temp[6][4]; /* TTTI, CTFS, HCT, HOT */ |
| 370 | u8 sf4_reg[6][2][7]; /* 6 temp, temp/dcpwm, 7 registers */ |
| 371 | |
| 372 | u8 setup_pwm[3]; /* Register value */ |
| 373 | |
| 374 | u8 alarms[6]; /* Register value */ |
| 375 | u8 beeps[6]; /* Register value */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 376 | |
| 377 | char valid; |
| 378 | }; |
| 379 | |
| 380 | /* |
| 381 | * Hardware access |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 382 | * We assume that nobdody can change the bank outside the driver. |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 383 | */ |
| 384 | |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 385 | /* Must be called with data->update_lock held, except during initialization */ |
| 386 | static int w83795_set_bank(struct i2c_client *client, u8 bank) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 387 | { |
| 388 | struct w83795_data *data = i2c_get_clientdata(client); |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 389 | int err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 390 | |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 391 | /* If the same bank is already set, nothing to do */ |
| 392 | if ((data->bank & 0x07) == bank) |
| 393 | return 0; |
| 394 | |
| 395 | /* Change to new bank, preserve all other bits */ |
| 396 | bank |= data->bank & ~0x07; |
| 397 | err = i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, bank); |
| 398 | if (err < 0) { |
| 399 | dev_err(&client->dev, |
| 400 | "Failed to set bank to %d, err %d\n", |
| 401 | (int)bank, err); |
| 402 | return err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 403 | } |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 404 | data->bank = bank; |
| 405 | |
| 406 | return 0; |
| 407 | } |
| 408 | |
| 409 | /* Must be called with data->update_lock held, except during initialization */ |
| 410 | static u8 w83795_read(struct i2c_client *client, u16 reg) |
| 411 | { |
| 412 | int err; |
| 413 | |
| 414 | err = w83795_set_bank(client, reg >> 8); |
| 415 | if (err < 0) |
| 416 | return 0x00; /* Arbitrary */ |
| 417 | |
| 418 | err = i2c_smbus_read_byte_data(client, reg & 0xff); |
| 419 | if (err < 0) { |
| 420 | dev_err(&client->dev, |
| 421 | "Failed to read from register 0x%03x, err %d\n", |
| 422 | (int)reg, err); |
| 423 | return 0x00; /* Arbitrary */ |
| 424 | } |
| 425 | return err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 426 | } |
| 427 | |
| 428 | /* Must be called with data->update_lock held, except during initialization */ |
| 429 | static int w83795_write(struct i2c_client *client, u16 reg, u8 value) |
| 430 | { |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 431 | int err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 432 | |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 433 | err = w83795_set_bank(client, reg >> 8); |
| 434 | if (err < 0) |
| 435 | return err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 436 | |
Jean Delvare | b2469f4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 437 | err = i2c_smbus_write_byte_data(client, reg & 0xff, value); |
| 438 | if (err < 0) |
| 439 | dev_err(&client->dev, |
| 440 | "Failed to write to register 0x%03x, err %d\n", |
| 441 | (int)reg, err); |
| 442 | return err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | static struct w83795_data *w83795_update_device(struct device *dev) |
| 446 | { |
| 447 | struct i2c_client *client = to_i2c_client(dev); |
| 448 | struct w83795_data *data = i2c_get_clientdata(client); |
| 449 | u16 tmp; |
| 450 | int i; |
| 451 | |
| 452 | mutex_lock(&data->update_lock); |
| 453 | |
| 454 | if (!(time_after(jiffies, data->last_updated + HZ * 2) |
| 455 | || !data->valid)) |
| 456 | goto END; |
| 457 | |
| 458 | /* Update the voltages value */ |
| 459 | for (i = 0; i < ARRAY_SIZE(data->in); i++) { |
| 460 | if (!(data->has_in & (1 << i))) |
| 461 | continue; |
| 462 | tmp = w83795_read(client, W83795_REG_IN[i][IN_READ]) << 2; |
Jean Delvare | a654b9d4 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 463 | tmp |= w83795_read(client, W83795_REG_VRLSB) >> 6; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 464 | data->in[i][IN_READ] = tmp; |
| 465 | } |
| 466 | |
Jean Delvare | 0e25601 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 467 | /* in0-2 can have dynamic limits (W83795G only) */ |
| 468 | if (data->has_dyn_in) { |
| 469 | u8 lsb_max = w83795_read(client, IN_LSB_REG(0, IN_MAX)); |
| 470 | u8 lsb_low = w83795_read(client, IN_LSB_REG(0, IN_LOW)); |
| 471 | |
| 472 | for (i = 0; i < 3; i++) { |
| 473 | if (!(data->has_dyn_in & (1 << i))) |
| 474 | continue; |
| 475 | data->in[i][IN_MAX] = |
| 476 | w83795_read(client, W83795_REG_IN[i][IN_MAX]); |
| 477 | data->in[i][IN_LOW] = |
| 478 | w83795_read(client, W83795_REG_IN[i][IN_LOW]); |
| 479 | data->in_lsb[i][IN_MAX] = (lsb_max >> (2 * i)) & 0x03; |
| 480 | data->in_lsb[i][IN_LOW] = (lsb_low >> (2 * i)) & 0x03; |
| 481 | } |
| 482 | } |
| 483 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 484 | /* Update fan */ |
| 485 | for (i = 0; i < ARRAY_SIZE(data->fan); i++) { |
| 486 | if (!(data->has_fan & (1 << i))) |
| 487 | continue; |
| 488 | data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4; |
| 489 | data->fan[i] |= |
Jean Delvare | 6c82b2f | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 490 | (w83795_read(client, W83795_REG_VRLSB) >> 4) & 0x0F; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 491 | } |
| 492 | |
| 493 | /* Update temperature */ |
| 494 | for (i = 0; i < ARRAY_SIZE(data->temp); i++) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 495 | data->temp[i][TEMP_READ] = |
| 496 | w83795_read(client, W83795_REG_TEMP[i][TEMP_READ]); |
| 497 | data->temp_read_vrlsb[i] = |
| 498 | w83795_read(client, W83795_REG_VRLSB); |
| 499 | } |
| 500 | |
| 501 | /* Update dts temperature */ |
| 502 | if (data->enable_dts != 0) { |
| 503 | for (i = 0; i < ARRAY_SIZE(data->dts); i++) { |
| 504 | if (!(data->has_dts & (1 << i))) |
| 505 | continue; |
| 506 | data->dts[i] = |
| 507 | w83795_read(client, W83795_REG_DTS(i)); |
| 508 | data->dts_read_vrlsb[i] = |
| 509 | w83795_read(client, W83795_REG_VRLSB); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | /* Update pwm output */ |
| 514 | for (i = 0; i < data->has_pwm; i++) { |
| 515 | data->pwm[i][PWM_OUTPUT] = |
| 516 | w83795_read(client, W83795_REG_PWM(i, PWM_OUTPUT)); |
| 517 | } |
| 518 | |
| 519 | /* update alarm */ |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 520 | for (i = 0; i < ARRAY_SIZE(data->alarms); i++) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 521 | data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i)); |
| 522 | |
| 523 | data->last_updated = jiffies; |
| 524 | data->valid = 1; |
| 525 | |
| 526 | END: |
| 527 | mutex_unlock(&data->update_lock); |
| 528 | return data; |
| 529 | } |
| 530 | |
| 531 | /* |
| 532 | * Sysfs attributes |
| 533 | */ |
| 534 | |
| 535 | #define ALARM_STATUS 0 |
| 536 | #define BEEP_ENABLE 1 |
| 537 | static ssize_t |
| 538 | show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf) |
| 539 | { |
| 540 | struct w83795_data *data = w83795_update_device(dev); |
| 541 | struct sensor_device_attribute_2 *sensor_attr = |
| 542 | to_sensor_dev_attr_2(attr); |
| 543 | int nr = sensor_attr->nr; |
| 544 | int index = sensor_attr->index >> 3; |
| 545 | int bit = sensor_attr->index & 0x07; |
| 546 | u8 val; |
| 547 | |
| 548 | if (ALARM_STATUS == nr) { |
| 549 | val = (data->alarms[index] >> (bit)) & 1; |
| 550 | } else { /* BEEP_ENABLE */ |
| 551 | val = (data->beeps[index] >> (bit)) & 1; |
| 552 | } |
| 553 | |
| 554 | return sprintf(buf, "%u\n", val); |
| 555 | } |
| 556 | |
| 557 | static ssize_t |
| 558 | store_beep(struct device *dev, struct device_attribute *attr, |
| 559 | const char *buf, size_t count) |
| 560 | { |
| 561 | struct i2c_client *client = to_i2c_client(dev); |
| 562 | struct w83795_data *data = i2c_get_clientdata(client); |
| 563 | struct sensor_device_attribute_2 *sensor_attr = |
| 564 | to_sensor_dev_attr_2(attr); |
| 565 | int index = sensor_attr->index >> 3; |
| 566 | int shift = sensor_attr->index & 0x07; |
| 567 | u8 beep_bit = 1 << shift; |
| 568 | unsigned long val; |
| 569 | |
| 570 | if (strict_strtoul(buf, 10, &val) < 0) |
| 571 | return -EINVAL; |
| 572 | if (val != 0 && val != 1) |
| 573 | return -EINVAL; |
| 574 | |
| 575 | mutex_lock(&data->update_lock); |
| 576 | data->beeps[index] = w83795_read(client, W83795_REG_BEEP(index)); |
| 577 | data->beeps[index] &= ~beep_bit; |
| 578 | data->beeps[index] |= val << shift; |
| 579 | w83795_write(client, W83795_REG_BEEP(index), data->beeps[index]); |
| 580 | mutex_unlock(&data->update_lock); |
| 581 | |
| 582 | return count; |
| 583 | } |
| 584 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 585 | /* Write any value to clear chassis alarm */ |
| 586 | static ssize_t |
| 587 | store_chassis_clear(struct device *dev, |
| 588 | struct device_attribute *attr, const char *buf, |
| 589 | size_t count) |
| 590 | { |
| 591 | struct i2c_client *client = to_i2c_client(dev); |
| 592 | struct w83795_data *data = i2c_get_clientdata(client); |
| 593 | u8 val; |
| 594 | |
| 595 | mutex_lock(&data->update_lock); |
| 596 | val = w83795_read(client, W83795_REG_CLR_CHASSIS); |
| 597 | val |= 0x80; |
| 598 | w83795_write(client, W83795_REG_CLR_CHASSIS, val); |
| 599 | mutex_unlock(&data->update_lock); |
| 600 | return count; |
| 601 | } |
| 602 | |
| 603 | #define FAN_INPUT 0 |
| 604 | #define FAN_MIN 1 |
| 605 | static ssize_t |
| 606 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) |
| 607 | { |
| 608 | struct sensor_device_attribute_2 *sensor_attr = |
| 609 | to_sensor_dev_attr_2(attr); |
| 610 | int nr = sensor_attr->nr; |
| 611 | int index = sensor_attr->index; |
| 612 | struct w83795_data *data = w83795_update_device(dev); |
| 613 | u16 val; |
| 614 | |
| 615 | if (FAN_INPUT == nr) |
| 616 | val = data->fan[index] & 0x0fff; |
| 617 | else |
| 618 | val = data->fan_min[index] & 0x0fff; |
| 619 | |
| 620 | return sprintf(buf, "%lu\n", fan_from_reg(val)); |
| 621 | } |
| 622 | |
| 623 | static ssize_t |
| 624 | store_fan_min(struct device *dev, struct device_attribute *attr, |
| 625 | const char *buf, size_t count) |
| 626 | { |
| 627 | struct sensor_device_attribute_2 *sensor_attr = |
| 628 | to_sensor_dev_attr_2(attr); |
| 629 | int index = sensor_attr->index; |
| 630 | struct i2c_client *client = to_i2c_client(dev); |
| 631 | struct w83795_data *data = i2c_get_clientdata(client); |
| 632 | unsigned long val; |
| 633 | |
| 634 | if (strict_strtoul(buf, 10, &val)) |
| 635 | return -EINVAL; |
| 636 | val = fan_to_reg(val); |
| 637 | |
| 638 | mutex_lock(&data->update_lock); |
| 639 | data->fan_min[index] = val; |
| 640 | w83795_write(client, W83795_REG_FAN_MIN_HL(index), (val >> 4) & 0xff); |
| 641 | val &= 0x0f; |
Jean Delvare | 7eb8d50 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 642 | if (index & 1) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 643 | val <<= 4; |
| 644 | val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index)) |
| 645 | & 0x0f; |
| 646 | } else { |
| 647 | val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index)) |
| 648 | & 0xf0; |
| 649 | } |
| 650 | w83795_write(client, W83795_REG_FAN_MIN_LSB(index), val & 0xff); |
| 651 | mutex_unlock(&data->update_lock); |
| 652 | |
| 653 | return count; |
| 654 | } |
| 655 | |
| 656 | static ssize_t |
| 657 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) |
| 658 | { |
| 659 | struct w83795_data *data = w83795_update_device(dev); |
| 660 | struct sensor_device_attribute_2 *sensor_attr = |
| 661 | to_sensor_dev_attr_2(attr); |
| 662 | int nr = sensor_attr->nr; |
| 663 | int index = sensor_attr->index; |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 664 | unsigned int val; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 665 | |
| 666 | switch (nr) { |
| 667 | case PWM_STOP_TIME: |
| 668 | val = time_from_reg(data->pwm[index][nr]); |
| 669 | break; |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 670 | case PWM_FREQ: |
| 671 | val = pwm_freq_from_reg(data->pwm[index][nr], data->clkin); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 672 | break; |
| 673 | default: |
| 674 | val = data->pwm[index][nr]; |
| 675 | break; |
| 676 | } |
| 677 | |
| 678 | return sprintf(buf, "%u\n", val); |
| 679 | } |
| 680 | |
| 681 | static ssize_t |
| 682 | store_pwm(struct device *dev, struct device_attribute *attr, |
| 683 | const char *buf, size_t count) |
| 684 | { |
| 685 | struct i2c_client *client = to_i2c_client(dev); |
| 686 | struct w83795_data *data = i2c_get_clientdata(client); |
| 687 | struct sensor_device_attribute_2 *sensor_attr = |
| 688 | to_sensor_dev_attr_2(attr); |
| 689 | int nr = sensor_attr->nr; |
| 690 | int index = sensor_attr->index; |
| 691 | unsigned long val; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 692 | |
| 693 | if (strict_strtoul(buf, 10, &val) < 0) |
| 694 | return -EINVAL; |
| 695 | |
| 696 | mutex_lock(&data->update_lock); |
| 697 | switch (nr) { |
| 698 | case PWM_STOP_TIME: |
| 699 | val = time_to_reg(val); |
| 700 | break; |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 701 | case PWM_FREQ: |
| 702 | val = pwm_freq_to_reg(val, data->clkin); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 703 | break; |
| 704 | default: |
| 705 | val = SENSORS_LIMIT(val, 0, 0xff); |
| 706 | break; |
| 707 | } |
| 708 | w83795_write(client, W83795_REG_PWM(index, nr), val); |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 709 | data->pwm[index][nr] = val; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 710 | mutex_unlock(&data->update_lock); |
| 711 | return count; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | static ssize_t |
| 715 | show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) |
| 716 | { |
| 717 | struct sensor_device_attribute_2 *sensor_attr = |
| 718 | to_sensor_dev_attr_2(attr); |
| 719 | struct i2c_client *client = to_i2c_client(dev); |
| 720 | struct w83795_data *data = i2c_get_clientdata(client); |
| 721 | int index = sensor_attr->index; |
| 722 | u8 tmp; |
| 723 | |
| 724 | if (1 == (data->pwm_fcms[0] & (1 << index))) { |
| 725 | tmp = 2; |
| 726 | goto out; |
| 727 | } |
| 728 | for (tmp = 0; tmp < 6; tmp++) { |
| 729 | if (data->pwm_tfmr[tmp] & (1 << index)) { |
| 730 | tmp = 3; |
| 731 | goto out; |
| 732 | } |
| 733 | } |
| 734 | if (data->pwm_fomc & (1 << index)) |
| 735 | tmp = 0; |
| 736 | else |
| 737 | tmp = 1; |
| 738 | |
| 739 | out: |
| 740 | return sprintf(buf, "%u\n", tmp); |
| 741 | } |
| 742 | |
| 743 | static ssize_t |
| 744 | store_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 745 | const char *buf, size_t count) |
| 746 | { |
| 747 | struct i2c_client *client = to_i2c_client(dev); |
| 748 | struct w83795_data *data = i2c_get_clientdata(client); |
| 749 | struct sensor_device_attribute_2 *sensor_attr = |
| 750 | to_sensor_dev_attr_2(attr); |
| 751 | int index = sensor_attr->index; |
| 752 | unsigned long val; |
| 753 | int i; |
| 754 | |
| 755 | if (strict_strtoul(buf, 10, &val) < 0) |
| 756 | return -EINVAL; |
| 757 | if (val > 2) |
| 758 | return -EINVAL; |
| 759 | |
| 760 | mutex_lock(&data->update_lock); |
| 761 | switch (val) { |
| 762 | case 0: |
| 763 | case 1: |
| 764 | data->pwm_fcms[0] &= ~(1 << index); |
| 765 | w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]); |
| 766 | for (i = 0; i < 6; i++) { |
| 767 | data->pwm_tfmr[i] &= ~(1 << index); |
| 768 | w83795_write(client, W83795_REG_TFMR(i), |
| 769 | data->pwm_tfmr[i]); |
| 770 | } |
| 771 | data->pwm_fomc |= 1 << index; |
| 772 | data->pwm_fomc ^= val << index; |
| 773 | w83795_write(client, W83795_REG_FOMC, data->pwm_fomc); |
| 774 | break; |
| 775 | case 2: |
| 776 | data->pwm_fcms[0] |= (1 << index); |
| 777 | w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]); |
| 778 | break; |
| 779 | } |
| 780 | mutex_unlock(&data->update_lock); |
| 781 | return count; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | static ssize_t |
| 785 | show_temp_src(struct device *dev, struct device_attribute *attr, char *buf) |
| 786 | { |
| 787 | struct sensor_device_attribute_2 *sensor_attr = |
| 788 | to_sensor_dev_attr_2(attr); |
| 789 | struct i2c_client *client = to_i2c_client(dev); |
| 790 | struct w83795_data *data = i2c_get_clientdata(client); |
| 791 | int index = sensor_attr->index; |
| 792 | u8 val = index / 2; |
| 793 | u8 tmp = data->temp_src[val]; |
| 794 | |
Jean Delvare | 7eb8d50 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 795 | if (index & 1) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 796 | val = 4; |
| 797 | else |
| 798 | val = 0; |
| 799 | tmp >>= val; |
| 800 | tmp &= 0x0f; |
| 801 | |
| 802 | return sprintf(buf, "%u\n", tmp); |
| 803 | } |
| 804 | |
| 805 | static ssize_t |
| 806 | store_temp_src(struct device *dev, struct device_attribute *attr, |
| 807 | const char *buf, size_t count) |
| 808 | { |
| 809 | struct i2c_client *client = to_i2c_client(dev); |
| 810 | struct w83795_data *data = i2c_get_clientdata(client); |
| 811 | struct sensor_device_attribute_2 *sensor_attr = |
| 812 | to_sensor_dev_attr_2(attr); |
| 813 | int index = sensor_attr->index; |
| 814 | unsigned long tmp; |
| 815 | u8 val = index / 2; |
| 816 | |
| 817 | if (strict_strtoul(buf, 10, &tmp) < 0) |
| 818 | return -EINVAL; |
| 819 | tmp = SENSORS_LIMIT(tmp, 0, 15); |
| 820 | |
| 821 | mutex_lock(&data->update_lock); |
Jean Delvare | 7eb8d50 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 822 | if (index & 1) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 823 | tmp <<= 4; |
| 824 | data->temp_src[val] &= 0x0f; |
| 825 | } else { |
| 826 | data->temp_src[val] &= 0xf0; |
| 827 | } |
| 828 | data->temp_src[val] |= tmp; |
| 829 | w83795_write(client, W83795_REG_TSS(val), data->temp_src[val]); |
| 830 | mutex_unlock(&data->update_lock); |
| 831 | |
| 832 | return count; |
| 833 | } |
| 834 | |
| 835 | #define TEMP_PWM_ENABLE 0 |
| 836 | #define TEMP_PWM_FAN_MAP 1 |
| 837 | static ssize_t |
| 838 | show_temp_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 839 | char *buf) |
| 840 | { |
| 841 | struct i2c_client *client = to_i2c_client(dev); |
| 842 | struct w83795_data *data = i2c_get_clientdata(client); |
| 843 | struct sensor_device_attribute_2 *sensor_attr = |
| 844 | to_sensor_dev_attr_2(attr); |
| 845 | int nr = sensor_attr->nr; |
| 846 | int index = sensor_attr->index; |
| 847 | u8 tmp = 0xff; |
| 848 | |
| 849 | switch (nr) { |
| 850 | case TEMP_PWM_ENABLE: |
| 851 | tmp = (data->pwm_fcms[1] >> index) & 1; |
| 852 | if (tmp) |
| 853 | tmp = 4; |
| 854 | else |
| 855 | tmp = 3; |
| 856 | break; |
| 857 | case TEMP_PWM_FAN_MAP: |
| 858 | tmp = data->pwm_tfmr[index]; |
| 859 | break; |
| 860 | } |
| 861 | |
| 862 | return sprintf(buf, "%u\n", tmp); |
| 863 | } |
| 864 | |
| 865 | static ssize_t |
| 866 | store_temp_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 867 | const char *buf, size_t count) |
| 868 | { |
| 869 | struct i2c_client *client = to_i2c_client(dev); |
| 870 | struct w83795_data *data = i2c_get_clientdata(client); |
| 871 | struct sensor_device_attribute_2 *sensor_attr = |
| 872 | to_sensor_dev_attr_2(attr); |
| 873 | int nr = sensor_attr->nr; |
| 874 | int index = sensor_attr->index; |
| 875 | unsigned long tmp; |
| 876 | |
| 877 | if (strict_strtoul(buf, 10, &tmp) < 0) |
| 878 | return -EINVAL; |
| 879 | |
| 880 | switch (nr) { |
| 881 | case TEMP_PWM_ENABLE: |
| 882 | if ((tmp != 3) && (tmp != 4)) |
| 883 | return -EINVAL; |
| 884 | tmp -= 3; |
| 885 | mutex_lock(&data->update_lock); |
| 886 | data->pwm_fcms[1] &= ~(1 << index); |
| 887 | data->pwm_fcms[1] |= tmp << index; |
| 888 | w83795_write(client, W83795_REG_FCMS2, data->pwm_fcms[1]); |
| 889 | mutex_unlock(&data->update_lock); |
| 890 | break; |
| 891 | case TEMP_PWM_FAN_MAP: |
| 892 | mutex_lock(&data->update_lock); |
| 893 | tmp = SENSORS_LIMIT(tmp, 0, 0xff); |
| 894 | w83795_write(client, W83795_REG_TFMR(index), tmp); |
| 895 | data->pwm_tfmr[index] = tmp; |
| 896 | mutex_unlock(&data->update_lock); |
| 897 | break; |
| 898 | } |
| 899 | return count; |
| 900 | } |
| 901 | |
| 902 | #define FANIN_TARGET 0 |
| 903 | #define FANIN_TOL 1 |
| 904 | static ssize_t |
| 905 | show_fanin(struct device *dev, struct device_attribute *attr, char *buf) |
| 906 | { |
| 907 | struct i2c_client *client = to_i2c_client(dev); |
| 908 | struct w83795_data *data = i2c_get_clientdata(client); |
| 909 | struct sensor_device_attribute_2 *sensor_attr = |
| 910 | to_sensor_dev_attr_2(attr); |
| 911 | int nr = sensor_attr->nr; |
| 912 | int index = sensor_attr->index; |
| 913 | u16 tmp = 0; |
| 914 | |
| 915 | switch (nr) { |
| 916 | case FANIN_TARGET: |
| 917 | tmp = fan_from_reg(data->target_speed[index]); |
| 918 | break; |
| 919 | case FANIN_TOL: |
| 920 | tmp = data->tol_speed; |
| 921 | break; |
| 922 | } |
| 923 | |
| 924 | return sprintf(buf, "%u\n", tmp); |
| 925 | } |
| 926 | |
| 927 | static ssize_t |
| 928 | store_fanin(struct device *dev, struct device_attribute *attr, |
| 929 | const char *buf, size_t count) |
| 930 | { |
| 931 | struct i2c_client *client = to_i2c_client(dev); |
| 932 | struct w83795_data *data = i2c_get_clientdata(client); |
| 933 | struct sensor_device_attribute_2 *sensor_attr = |
| 934 | to_sensor_dev_attr_2(attr); |
| 935 | int nr = sensor_attr->nr; |
| 936 | int index = sensor_attr->index; |
| 937 | unsigned long val; |
| 938 | |
| 939 | if (strict_strtoul(buf, 10, &val) < 0) |
| 940 | return -EINVAL; |
| 941 | |
| 942 | mutex_lock(&data->update_lock); |
| 943 | switch (nr) { |
| 944 | case FANIN_TARGET: |
| 945 | val = fan_to_reg(SENSORS_LIMIT(val, 0, 0xfff)); |
| 946 | w83795_write(client, W83795_REG_FTSH(index), (val >> 4) & 0xff); |
| 947 | w83795_write(client, W83795_REG_FTSL(index), (val << 4) & 0xf0); |
| 948 | data->target_speed[index] = val; |
| 949 | break; |
| 950 | case FANIN_TOL: |
| 951 | val = SENSORS_LIMIT(val, 0, 0x3f); |
| 952 | w83795_write(client, W83795_REG_TFTS, val); |
| 953 | data->tol_speed = val; |
| 954 | break; |
| 955 | } |
| 956 | mutex_unlock(&data->update_lock); |
| 957 | |
| 958 | return count; |
| 959 | } |
| 960 | |
| 961 | |
| 962 | static ssize_t |
| 963 | show_temp_pwm(struct device *dev, struct device_attribute *attr, char *buf) |
| 964 | { |
| 965 | struct i2c_client *client = to_i2c_client(dev); |
| 966 | struct w83795_data *data = i2c_get_clientdata(client); |
| 967 | struct sensor_device_attribute_2 *sensor_attr = |
| 968 | to_sensor_dev_attr_2(attr); |
| 969 | int nr = sensor_attr->nr; |
| 970 | int index = sensor_attr->index; |
| 971 | long tmp = temp_from_reg(data->pwm_temp[index][nr]); |
| 972 | |
| 973 | return sprintf(buf, "%ld\n", tmp); |
| 974 | } |
| 975 | |
| 976 | static ssize_t |
| 977 | store_temp_pwm(struct device *dev, struct device_attribute *attr, |
| 978 | const char *buf, size_t count) |
| 979 | { |
| 980 | struct i2c_client *client = to_i2c_client(dev); |
| 981 | struct w83795_data *data = i2c_get_clientdata(client); |
| 982 | struct sensor_device_attribute_2 *sensor_attr = |
| 983 | to_sensor_dev_attr_2(attr); |
| 984 | int nr = sensor_attr->nr; |
| 985 | int index = sensor_attr->index; |
| 986 | unsigned long val; |
| 987 | u8 tmp; |
| 988 | |
| 989 | if (strict_strtoul(buf, 10, &val) < 0) |
| 990 | return -EINVAL; |
| 991 | val /= 1000; |
| 992 | |
| 993 | mutex_lock(&data->update_lock); |
| 994 | switch (nr) { |
| 995 | case TEMP_PWM_TTTI: |
| 996 | val = SENSORS_LIMIT(val, 0, 0x7f); |
| 997 | w83795_write(client, W83795_REG_TTTI(index), val); |
| 998 | break; |
| 999 | case TEMP_PWM_CTFS: |
| 1000 | val = SENSORS_LIMIT(val, 0, 0x7f); |
| 1001 | w83795_write(client, W83795_REG_CTFS(index), val); |
| 1002 | break; |
| 1003 | case TEMP_PWM_HCT: |
| 1004 | val = SENSORS_LIMIT(val, 0, 0x0f); |
| 1005 | tmp = w83795_read(client, W83795_REG_HT(index)); |
| 1006 | tmp &= 0x0f; |
| 1007 | tmp |= (val << 4) & 0xf0; |
| 1008 | w83795_write(client, W83795_REG_HT(index), tmp); |
| 1009 | break; |
| 1010 | case TEMP_PWM_HOT: |
| 1011 | val = SENSORS_LIMIT(val, 0, 0x0f); |
| 1012 | tmp = w83795_read(client, W83795_REG_HT(index)); |
| 1013 | tmp &= 0xf0; |
| 1014 | tmp |= val & 0x0f; |
| 1015 | w83795_write(client, W83795_REG_HT(index), tmp); |
| 1016 | break; |
| 1017 | } |
| 1018 | data->pwm_temp[index][nr] = val; |
| 1019 | mutex_unlock(&data->update_lock); |
| 1020 | |
| 1021 | return count; |
| 1022 | } |
| 1023 | |
| 1024 | static ssize_t |
| 1025 | show_sf4_pwm(struct device *dev, struct device_attribute *attr, char *buf) |
| 1026 | { |
| 1027 | struct i2c_client *client = to_i2c_client(dev); |
| 1028 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1029 | struct sensor_device_attribute_2 *sensor_attr = |
| 1030 | to_sensor_dev_attr_2(attr); |
| 1031 | int nr = sensor_attr->nr; |
| 1032 | int index = sensor_attr->index; |
| 1033 | |
| 1034 | return sprintf(buf, "%u\n", data->sf4_reg[index][SF4_PWM][nr]); |
| 1035 | } |
| 1036 | |
| 1037 | static ssize_t |
| 1038 | store_sf4_pwm(struct device *dev, struct device_attribute *attr, |
| 1039 | const char *buf, size_t count) |
| 1040 | { |
| 1041 | struct i2c_client *client = to_i2c_client(dev); |
| 1042 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1043 | struct sensor_device_attribute_2 *sensor_attr = |
| 1044 | to_sensor_dev_attr_2(attr); |
| 1045 | int nr = sensor_attr->nr; |
| 1046 | int index = sensor_attr->index; |
| 1047 | unsigned long val; |
| 1048 | |
| 1049 | if (strict_strtoul(buf, 10, &val) < 0) |
| 1050 | return -EINVAL; |
| 1051 | |
| 1052 | mutex_lock(&data->update_lock); |
| 1053 | w83795_write(client, W83795_REG_SF4_PWM(index, nr), val); |
| 1054 | data->sf4_reg[index][SF4_PWM][nr] = val; |
| 1055 | mutex_unlock(&data->update_lock); |
| 1056 | |
| 1057 | return count; |
| 1058 | } |
| 1059 | |
| 1060 | static ssize_t |
| 1061 | show_sf4_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 1062 | { |
| 1063 | struct i2c_client *client = to_i2c_client(dev); |
| 1064 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1065 | struct sensor_device_attribute_2 *sensor_attr = |
| 1066 | to_sensor_dev_attr_2(attr); |
| 1067 | int nr = sensor_attr->nr; |
| 1068 | int index = sensor_attr->index; |
| 1069 | |
| 1070 | return sprintf(buf, "%u\n", |
| 1071 | (data->sf4_reg[index][SF4_TEMP][nr]) * 1000); |
| 1072 | } |
| 1073 | |
| 1074 | static ssize_t |
| 1075 | store_sf4_temp(struct device *dev, struct device_attribute *attr, |
| 1076 | const char *buf, size_t count) |
| 1077 | { |
| 1078 | struct i2c_client *client = to_i2c_client(dev); |
| 1079 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1080 | struct sensor_device_attribute_2 *sensor_attr = |
| 1081 | to_sensor_dev_attr_2(attr); |
| 1082 | int nr = sensor_attr->nr; |
| 1083 | int index = sensor_attr->index; |
| 1084 | unsigned long val; |
| 1085 | |
| 1086 | if (strict_strtoul(buf, 10, &val) < 0) |
| 1087 | return -EINVAL; |
| 1088 | val /= 1000; |
| 1089 | |
| 1090 | mutex_lock(&data->update_lock); |
| 1091 | w83795_write(client, W83795_REG_SF4_TEMP(index, nr), val); |
| 1092 | data->sf4_reg[index][SF4_TEMP][nr] = val; |
| 1093 | mutex_unlock(&data->update_lock); |
| 1094 | |
| 1095 | return count; |
| 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | static ssize_t |
| 1100 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 1101 | { |
| 1102 | struct sensor_device_attribute_2 *sensor_attr = |
| 1103 | to_sensor_dev_attr_2(attr); |
| 1104 | int nr = sensor_attr->nr; |
| 1105 | int index = sensor_attr->index; |
| 1106 | struct w83795_data *data = w83795_update_device(dev); |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1107 | long temp = temp_from_reg(data->temp[index][nr]); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1108 | |
| 1109 | if (TEMP_READ == nr) |
Jean Delvare | a654b9d4 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1110 | temp += (data->temp_read_vrlsb[index] >> 6) * 250; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1111 | return sprintf(buf, "%ld\n", temp); |
| 1112 | } |
| 1113 | |
| 1114 | static ssize_t |
| 1115 | store_temp(struct device *dev, struct device_attribute *attr, |
| 1116 | const char *buf, size_t count) |
| 1117 | { |
| 1118 | struct sensor_device_attribute_2 *sensor_attr = |
| 1119 | to_sensor_dev_attr_2(attr); |
| 1120 | int nr = sensor_attr->nr; |
| 1121 | int index = sensor_attr->index; |
| 1122 | struct i2c_client *client = to_i2c_client(dev); |
| 1123 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1124 | long tmp; |
| 1125 | |
| 1126 | if (strict_strtol(buf, 10, &tmp) < 0) |
| 1127 | return -EINVAL; |
| 1128 | |
| 1129 | mutex_lock(&data->update_lock); |
| 1130 | data->temp[index][nr] = temp_to_reg(tmp, -128, 127); |
| 1131 | w83795_write(client, W83795_REG_TEMP[index][nr], data->temp[index][nr]); |
| 1132 | mutex_unlock(&data->update_lock); |
| 1133 | return count; |
| 1134 | } |
| 1135 | |
| 1136 | |
| 1137 | static ssize_t |
| 1138 | show_dts_mode(struct device *dev, struct device_attribute *attr, char *buf) |
| 1139 | { |
| 1140 | struct i2c_client *client = to_i2c_client(dev); |
| 1141 | struct w83795_data *data = i2c_get_clientdata(client); |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1142 | int tmp; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1143 | |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1144 | if (data->enable_dts & 2) |
| 1145 | tmp = 5; |
| 1146 | else |
| 1147 | tmp = 6; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1148 | |
| 1149 | return sprintf(buf, "%d\n", tmp); |
| 1150 | } |
| 1151 | |
| 1152 | static ssize_t |
| 1153 | show_dts(struct device *dev, struct device_attribute *attr, char *buf) |
| 1154 | { |
| 1155 | struct sensor_device_attribute_2 *sensor_attr = |
| 1156 | to_sensor_dev_attr_2(attr); |
| 1157 | int index = sensor_attr->index; |
| 1158 | struct w83795_data *data = w83795_update_device(dev); |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1159 | long temp = temp_from_reg(data->dts[index]); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1160 | |
Jean Delvare | a654b9d4 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1161 | temp += (data->dts_read_vrlsb[index] >> 6) * 250; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1162 | return sprintf(buf, "%ld\n", temp); |
| 1163 | } |
| 1164 | |
| 1165 | static ssize_t |
| 1166 | show_dts_ext(struct device *dev, struct device_attribute *attr, char *buf) |
| 1167 | { |
| 1168 | struct sensor_device_attribute_2 *sensor_attr = |
| 1169 | to_sensor_dev_attr_2(attr); |
| 1170 | int nr = sensor_attr->nr; |
| 1171 | struct i2c_client *client = to_i2c_client(dev); |
| 1172 | struct w83795_data *data = i2c_get_clientdata(client); |
Jean Delvare | dd127f5 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1173 | long temp = temp_from_reg(data->dts_ext[nr]); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1174 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1175 | return sprintf(buf, "%ld\n", temp); |
| 1176 | } |
| 1177 | |
| 1178 | static ssize_t |
| 1179 | store_dts_ext(struct device *dev, struct device_attribute *attr, |
| 1180 | const char *buf, size_t count) |
| 1181 | { |
| 1182 | struct sensor_device_attribute_2 *sensor_attr = |
| 1183 | to_sensor_dev_attr_2(attr); |
| 1184 | int nr = sensor_attr->nr; |
| 1185 | struct i2c_client *client = to_i2c_client(dev); |
| 1186 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1187 | long tmp; |
| 1188 | |
| 1189 | if (strict_strtol(buf, 10, &tmp) < 0) |
| 1190 | return -EINVAL; |
| 1191 | |
| 1192 | mutex_lock(&data->update_lock); |
| 1193 | data->dts_ext[nr] = temp_to_reg(tmp, -128, 127); |
| 1194 | w83795_write(client, W83795_REG_DTS_EXT(nr), data->dts_ext[nr]); |
| 1195 | mutex_unlock(&data->update_lock); |
| 1196 | return count; |
| 1197 | } |
| 1198 | |
| 1199 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1200 | static ssize_t |
| 1201 | show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf) |
| 1202 | { |
| 1203 | struct i2c_client *client = to_i2c_client(dev); |
| 1204 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1205 | struct sensor_device_attribute_2 *sensor_attr = |
| 1206 | to_sensor_dev_attr_2(attr); |
| 1207 | int index = sensor_attr->index; |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1208 | int tmp; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1209 | |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1210 | if (data->temp_mode & (1 << index)) |
| 1211 | tmp = 3; /* Thermal diode */ |
| 1212 | else |
| 1213 | tmp = 4; /* Thermistor */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1214 | |
| 1215 | return sprintf(buf, "%d\n", tmp); |
| 1216 | } |
| 1217 | |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1218 | /* Only for temp1-4 (temp5-6 can only be thermistor) */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1219 | static ssize_t |
| 1220 | store_temp_mode(struct device *dev, struct device_attribute *attr, |
| 1221 | const char *buf, size_t count) |
| 1222 | { |
| 1223 | struct i2c_client *client = to_i2c_client(dev); |
| 1224 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1225 | struct sensor_device_attribute_2 *sensor_attr = |
| 1226 | to_sensor_dev_attr_2(attr); |
| 1227 | int index = sensor_attr->index; |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1228 | int reg_shift; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1229 | unsigned long val; |
| 1230 | u8 tmp; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1231 | |
| 1232 | if (strict_strtoul(buf, 10, &val) < 0) |
| 1233 | return -EINVAL; |
| 1234 | if ((val != 4) && (val != 3)) |
| 1235 | return -EINVAL; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1236 | |
| 1237 | mutex_lock(&data->update_lock); |
| 1238 | if (val == 3) { |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1239 | /* Thermal diode */ |
| 1240 | val = 0x01; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1241 | data->temp_mode |= 1 << index; |
| 1242 | } else if (val == 4) { |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1243 | /* Thermistor */ |
| 1244 | val = 0x03; |
| 1245 | data->temp_mode &= ~(1 << index); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1246 | } |
| 1247 | |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1248 | reg_shift = 2 * index; |
| 1249 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL2); |
| 1250 | tmp &= ~(0x03 << reg_shift); |
| 1251 | tmp |= val << reg_shift; |
| 1252 | w83795_write(client, W83795_REG_TEMP_CTRL2, tmp); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1253 | |
| 1254 | mutex_unlock(&data->update_lock); |
| 1255 | return count; |
| 1256 | } |
| 1257 | |
| 1258 | |
| 1259 | /* show/store VIN */ |
| 1260 | static ssize_t |
| 1261 | show_in(struct device *dev, struct device_attribute *attr, char *buf) |
| 1262 | { |
| 1263 | struct sensor_device_attribute_2 *sensor_attr = |
| 1264 | to_sensor_dev_attr_2(attr); |
| 1265 | int nr = sensor_attr->nr; |
| 1266 | int index = sensor_attr->index; |
| 1267 | struct w83795_data *data = w83795_update_device(dev); |
| 1268 | u16 val = data->in[index][nr]; |
| 1269 | u8 lsb_idx; |
| 1270 | |
| 1271 | switch (nr) { |
| 1272 | case IN_READ: |
| 1273 | /* calculate this value again by sensors as sensors3.conf */ |
| 1274 | if ((index >= 17) && |
Jean Delvare | 6f9dfd8 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1275 | !((data->has_gain >> (index - 17)) & 1)) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1276 | val *= 8; |
| 1277 | break; |
| 1278 | case IN_MAX: |
| 1279 | case IN_LOW: |
| 1280 | lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX]; |
| 1281 | val <<= 2; |
| 1282 | val |= (data->in_lsb[lsb_idx][nr] >> |
| 1283 | IN_LSB_SHIFT_IDX[lsb_idx][IN_LSB_SHIFT]) & 0x03; |
| 1284 | if ((index >= 17) && |
Jean Delvare | 6f9dfd8 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1285 | !((data->has_gain >> (index - 17)) & 1)) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1286 | val *= 8; |
| 1287 | break; |
| 1288 | } |
| 1289 | val = in_from_reg(index, val); |
| 1290 | |
| 1291 | return sprintf(buf, "%d\n", val); |
| 1292 | } |
| 1293 | |
| 1294 | static ssize_t |
| 1295 | store_in(struct device *dev, struct device_attribute *attr, |
| 1296 | const char *buf, size_t count) |
| 1297 | { |
| 1298 | struct sensor_device_attribute_2 *sensor_attr = |
| 1299 | to_sensor_dev_attr_2(attr); |
| 1300 | int nr = sensor_attr->nr; |
| 1301 | int index = sensor_attr->index; |
| 1302 | struct i2c_client *client = to_i2c_client(dev); |
| 1303 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1304 | unsigned long val; |
| 1305 | u8 tmp; |
| 1306 | u8 lsb_idx; |
| 1307 | |
| 1308 | if (strict_strtoul(buf, 10, &val) < 0) |
| 1309 | return -EINVAL; |
| 1310 | val = in_to_reg(index, val); |
| 1311 | |
| 1312 | if ((index >= 17) && |
Jean Delvare | 6f9dfd8 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1313 | !((data->has_gain >> (index - 17)) & 1)) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1314 | val /= 8; |
| 1315 | val = SENSORS_LIMIT(val, 0, 0x3FF); |
| 1316 | mutex_lock(&data->update_lock); |
| 1317 | |
| 1318 | lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX]; |
| 1319 | tmp = w83795_read(client, IN_LSB_REG(lsb_idx, nr)); |
| 1320 | tmp &= ~(0x03 << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]); |
| 1321 | tmp |= (val & 0x03) << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]; |
| 1322 | w83795_write(client, IN_LSB_REG(lsb_idx, nr), tmp); |
| 1323 | data->in_lsb[lsb_idx][nr] = tmp; |
| 1324 | |
| 1325 | tmp = (val >> 2) & 0xff; |
| 1326 | w83795_write(client, W83795_REG_IN[index][nr], tmp); |
| 1327 | data->in[index][nr] = tmp; |
| 1328 | |
| 1329 | mutex_unlock(&data->update_lock); |
| 1330 | return count; |
| 1331 | } |
| 1332 | |
| 1333 | |
| 1334 | static ssize_t |
| 1335 | show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf) |
| 1336 | { |
| 1337 | struct sensor_device_attribute_2 *sensor_attr = |
| 1338 | to_sensor_dev_attr_2(attr); |
| 1339 | int nr = sensor_attr->nr; |
| 1340 | struct i2c_client *client = to_i2c_client(dev); |
| 1341 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1342 | u16 val = data->setup_pwm[nr]; |
| 1343 | |
| 1344 | switch (nr) { |
| 1345 | case SETUP_PWM_UPTIME: |
| 1346 | case SETUP_PWM_DOWNTIME: |
| 1347 | val = time_from_reg(val); |
| 1348 | break; |
| 1349 | } |
| 1350 | |
| 1351 | return sprintf(buf, "%d\n", val); |
| 1352 | } |
| 1353 | |
| 1354 | static ssize_t |
| 1355 | store_sf_setup(struct device *dev, struct device_attribute *attr, |
| 1356 | const char *buf, size_t count) |
| 1357 | { |
| 1358 | struct sensor_device_attribute_2 *sensor_attr = |
| 1359 | to_sensor_dev_attr_2(attr); |
| 1360 | int nr = sensor_attr->nr; |
| 1361 | struct i2c_client *client = to_i2c_client(dev); |
| 1362 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1363 | unsigned long val; |
| 1364 | |
| 1365 | if (strict_strtoul(buf, 10, &val) < 0) |
| 1366 | return -EINVAL; |
| 1367 | |
| 1368 | switch (nr) { |
| 1369 | case SETUP_PWM_DEFAULT: |
| 1370 | val = SENSORS_LIMIT(val, 0, 0xff); |
| 1371 | break; |
| 1372 | case SETUP_PWM_UPTIME: |
| 1373 | case SETUP_PWM_DOWNTIME: |
| 1374 | val = time_to_reg(val); |
| 1375 | if (val == 0) |
| 1376 | return -EINVAL; |
| 1377 | break; |
| 1378 | } |
| 1379 | |
| 1380 | mutex_lock(&data->update_lock); |
| 1381 | data->setup_pwm[nr] = val; |
| 1382 | w83795_write(client, W83795_REG_SETUP_PWM(nr), val); |
| 1383 | mutex_unlock(&data->update_lock); |
| 1384 | return count; |
| 1385 | } |
| 1386 | |
| 1387 | |
| 1388 | #define NOT_USED -1 |
| 1389 | |
Jean Delvare | 0e25601 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1390 | /* Don't change the attribute order, _max and _min are accessed by index |
| 1391 | * somewhere else in the code */ |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1392 | #define SENSOR_ATTR_IN(index) { \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1393 | SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \ |
| 1394 | IN_READ, index), \ |
| 1395 | SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \ |
| 1396 | store_in, IN_MAX, index), \ |
| 1397 | SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \ |
| 1398 | store_in, IN_LOW, index), \ |
| 1399 | SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \ |
| 1400 | NULL, ALARM_STATUS, index + ((index > 14) ? 1 : 0)), \ |
| 1401 | SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \ |
| 1402 | show_alarm_beep, store_beep, BEEP_ENABLE, \ |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1403 | index + ((index > 14) ? 1 : 0)) } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1404 | |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1405 | #define SENSOR_ATTR_FAN(index) { \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1406 | SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \ |
| 1407 | NULL, FAN_INPUT, index - 1), \ |
| 1408 | SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \ |
| 1409 | show_fan, store_fan_min, FAN_MIN, index - 1), \ |
| 1410 | SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \ |
| 1411 | NULL, ALARM_STATUS, index + 31), \ |
| 1412 | SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \ |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1413 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 31) } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1414 | |
Jean Delvare | b5f6a90 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1415 | #define SENSOR_ATTR_PWM(index) { \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1416 | SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \ |
| 1417 | store_pwm, PWM_OUTPUT, index - 1), \ |
| 1418 | SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \ |
| 1419 | show_pwm, store_pwm, PWM_NONSTOP, index - 1), \ |
| 1420 | SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \ |
| 1421 | show_pwm, store_pwm, PWM_START, index - 1), \ |
| 1422 | SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \ |
| 1423 | show_pwm, store_pwm, PWM_STOP_TIME, index - 1), \ |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1424 | SENSOR_ATTR_2(pwm##index##_freq, S_IWUSR | S_IRUGO, \ |
| 1425 | show_pwm, store_pwm, PWM_FREQ, index - 1), \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1426 | SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO, \ |
Jean Delvare | b2cc528 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1427 | show_pwm_enable, store_pwm_enable, NOT_USED, index - 1), \ |
| 1428 | SENSOR_ATTR_2(fan##index##_target, S_IWUSR | S_IRUGO, \ |
| 1429 | show_fanin, store_fanin, FANIN_TARGET, index - 1) } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1430 | |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1431 | #define SENSOR_ATTR_DTS(index) { \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1432 | SENSOR_ATTR_2(temp##index##_type, S_IRUGO , \ |
| 1433 | show_dts_mode, NULL, NOT_USED, index - 7), \ |
| 1434 | SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_dts, \ |
| 1435 | NULL, NOT_USED, index - 7), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1436 | SENSOR_ATTR_2(temp##index##_crit, S_IRUGO | S_IWUSR, show_dts_ext, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1437 | store_dts_ext, DTS_CRIT, NOT_USED), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1438 | SENSOR_ATTR_2(temp##index##_crit_hyst, S_IRUGO | S_IWUSR, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1439 | show_dts_ext, store_dts_ext, DTS_CRIT_HYST, NOT_USED), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1440 | SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_dts_ext, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1441 | store_dts_ext, DTS_WARN, NOT_USED), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1442 | SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1443 | show_dts_ext, store_dts_ext, DTS_WARN_HYST, NOT_USED), \ |
| 1444 | SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ |
| 1445 | show_alarm_beep, NULL, ALARM_STATUS, index + 17), \ |
| 1446 | SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1447 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 17) } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1448 | |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1449 | #define SENSOR_ATTR_TEMP(index) { \ |
Jean Delvare | 39deb69 | 2010-10-28 20:31:48 +0200 | [diff] [blame^] | 1450 | SENSOR_ATTR_2(temp##index##_type, S_IRUGO | (index < 4 ? S_IWUSR : 0), \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1451 | show_temp_mode, store_temp_mode, NOT_USED, index - 1), \ |
| 1452 | SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \ |
| 1453 | NULL, TEMP_READ, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1454 | SENSOR_ATTR_2(temp##index##_crit, S_IRUGO | S_IWUSR, show_temp, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1455 | store_temp, TEMP_CRIT, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1456 | SENSOR_ATTR_2(temp##index##_crit_hyst, S_IRUGO | S_IWUSR, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1457 | show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1458 | SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1459 | store_temp, TEMP_WARN, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1460 | SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1461 | show_temp, store_temp, TEMP_WARN_HYST, index - 1), \ |
| 1462 | SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ |
| 1463 | show_alarm_beep, NULL, ALARM_STATUS, \ |
| 1464 | index + (index > 4 ? 11 : 17)), \ |
| 1465 | SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ |
| 1466 | show_alarm_beep, store_beep, BEEP_ENABLE, \ |
| 1467 | index + (index > 4 ? 11 : 17)), \ |
| 1468 | SENSOR_ATTR_2(temp##index##_source_sel, S_IWUSR | S_IRUGO, \ |
| 1469 | show_temp_src, store_temp_src, NOT_USED, index - 1), \ |
| 1470 | SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \ |
| 1471 | show_temp_pwm_enable, store_temp_pwm_enable, \ |
| 1472 | TEMP_PWM_ENABLE, index - 1), \ |
| 1473 | SENSOR_ATTR_2(temp##index##_auto_channels_pwm, S_IWUSR | S_IRUGO, \ |
| 1474 | show_temp_pwm_enable, store_temp_pwm_enable, \ |
| 1475 | TEMP_PWM_FAN_MAP, index - 1), \ |
| 1476 | SENSOR_ATTR_2(thermal_cruise##index, S_IWUSR | S_IRUGO, \ |
| 1477 | show_temp_pwm, store_temp_pwm, TEMP_PWM_TTTI, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1478 | SENSOR_ATTR_2(temp##index##_warn, S_IWUSR | S_IRUGO, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1479 | show_temp_pwm, store_temp_pwm, TEMP_PWM_CTFS, index - 1), \ |
Jean Delvare | a0ce402 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1480 | SENSOR_ATTR_2(temp##index##_warn_hyst, S_IWUSR | S_IRUGO, \ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1481 | show_temp_pwm, store_temp_pwm, TEMP_PWM_HCT, index - 1), \ |
| 1482 | SENSOR_ATTR_2(temp##index##_operation_hyst, S_IWUSR | S_IRUGO, \ |
| 1483 | show_temp_pwm, store_temp_pwm, TEMP_PWM_HOT, index - 1), \ |
| 1484 | SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \ |
| 1485 | show_sf4_pwm, store_sf4_pwm, 0, index - 1), \ |
| 1486 | SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \ |
| 1487 | show_sf4_pwm, store_sf4_pwm, 1, index - 1), \ |
| 1488 | SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \ |
| 1489 | show_sf4_pwm, store_sf4_pwm, 2, index - 1), \ |
| 1490 | SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \ |
| 1491 | show_sf4_pwm, store_sf4_pwm, 3, index - 1), \ |
| 1492 | SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \ |
| 1493 | show_sf4_pwm, store_sf4_pwm, 4, index - 1), \ |
| 1494 | SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \ |
| 1495 | show_sf4_pwm, store_sf4_pwm, 5, index - 1), \ |
| 1496 | SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \ |
| 1497 | show_sf4_pwm, store_sf4_pwm, 6, index - 1), \ |
| 1498 | SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\ |
| 1499 | show_sf4_temp, store_sf4_temp, 0, index - 1), \ |
| 1500 | SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\ |
| 1501 | show_sf4_temp, store_sf4_temp, 1, index - 1), \ |
| 1502 | SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\ |
| 1503 | show_sf4_temp, store_sf4_temp, 2, index - 1), \ |
| 1504 | SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\ |
| 1505 | show_sf4_temp, store_sf4_temp, 3, index - 1), \ |
| 1506 | SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\ |
| 1507 | show_sf4_temp, store_sf4_temp, 4, index - 1), \ |
| 1508 | SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\ |
| 1509 | show_sf4_temp, store_sf4_temp, 5, index - 1), \ |
| 1510 | SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\ |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1511 | show_sf4_temp, store_sf4_temp, 6, index - 1) } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1512 | |
| 1513 | |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1514 | static struct sensor_device_attribute_2 w83795_in[][5] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1515 | SENSOR_ATTR_IN(0), |
| 1516 | SENSOR_ATTR_IN(1), |
| 1517 | SENSOR_ATTR_IN(2), |
| 1518 | SENSOR_ATTR_IN(3), |
| 1519 | SENSOR_ATTR_IN(4), |
| 1520 | SENSOR_ATTR_IN(5), |
| 1521 | SENSOR_ATTR_IN(6), |
| 1522 | SENSOR_ATTR_IN(7), |
| 1523 | SENSOR_ATTR_IN(8), |
| 1524 | SENSOR_ATTR_IN(9), |
| 1525 | SENSOR_ATTR_IN(10), |
| 1526 | SENSOR_ATTR_IN(11), |
| 1527 | SENSOR_ATTR_IN(12), |
| 1528 | SENSOR_ATTR_IN(13), |
| 1529 | SENSOR_ATTR_IN(14), |
| 1530 | SENSOR_ATTR_IN(15), |
| 1531 | SENSOR_ATTR_IN(16), |
| 1532 | SENSOR_ATTR_IN(17), |
| 1533 | SENSOR_ATTR_IN(18), |
| 1534 | SENSOR_ATTR_IN(19), |
| 1535 | SENSOR_ATTR_IN(20), |
| 1536 | }; |
| 1537 | |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1538 | static const struct sensor_device_attribute_2 w83795_fan[][4] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1539 | SENSOR_ATTR_FAN(1), |
| 1540 | SENSOR_ATTR_FAN(2), |
| 1541 | SENSOR_ATTR_FAN(3), |
| 1542 | SENSOR_ATTR_FAN(4), |
| 1543 | SENSOR_ATTR_FAN(5), |
| 1544 | SENSOR_ATTR_FAN(6), |
| 1545 | SENSOR_ATTR_FAN(7), |
| 1546 | SENSOR_ATTR_FAN(8), |
| 1547 | SENSOR_ATTR_FAN(9), |
| 1548 | SENSOR_ATTR_FAN(10), |
| 1549 | SENSOR_ATTR_FAN(11), |
| 1550 | SENSOR_ATTR_FAN(12), |
| 1551 | SENSOR_ATTR_FAN(13), |
| 1552 | SENSOR_ATTR_FAN(14), |
| 1553 | }; |
| 1554 | |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1555 | static const struct sensor_device_attribute_2 w83795_temp[][29] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1556 | SENSOR_ATTR_TEMP(1), |
| 1557 | SENSOR_ATTR_TEMP(2), |
| 1558 | SENSOR_ATTR_TEMP(3), |
| 1559 | SENSOR_ATTR_TEMP(4), |
| 1560 | SENSOR_ATTR_TEMP(5), |
| 1561 | SENSOR_ATTR_TEMP(6), |
| 1562 | }; |
| 1563 | |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1564 | static const struct sensor_device_attribute_2 w83795_dts[][8] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1565 | SENSOR_ATTR_DTS(7), |
| 1566 | SENSOR_ATTR_DTS(8), |
| 1567 | SENSOR_ATTR_DTS(9), |
| 1568 | SENSOR_ATTR_DTS(10), |
| 1569 | SENSOR_ATTR_DTS(11), |
| 1570 | SENSOR_ATTR_DTS(12), |
| 1571 | SENSOR_ATTR_DTS(13), |
| 1572 | SENSOR_ATTR_DTS(14), |
| 1573 | }; |
| 1574 | |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1575 | static const struct sensor_device_attribute_2 w83795_pwm[][7] = { |
Jean Delvare | b5f6a90 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1576 | SENSOR_ATTR_PWM(1), |
| 1577 | SENSOR_ATTR_PWM(2), |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1578 | SENSOR_ATTR_PWM(3), |
| 1579 | SENSOR_ATTR_PWM(4), |
| 1580 | SENSOR_ATTR_PWM(5), |
| 1581 | SENSOR_ATTR_PWM(6), |
| 1582 | SENSOR_ATTR_PWM(7), |
| 1583 | SENSOR_ATTR_PWM(8), |
| 1584 | }; |
| 1585 | |
Jean Delvare | 86ef4d2 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1586 | static const struct sensor_device_attribute_2 sda_single_files[] = { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1587 | SENSOR_ATTR_2(chassis, S_IWUSR | S_IRUGO, show_alarm_beep, |
| 1588 | store_chassis_clear, ALARM_STATUS, 46), |
Jean Delvare | 02728ff | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1589 | SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep, |
| 1590 | store_beep, BEEP_ENABLE, 47), |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1591 | SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin, |
| 1592 | store_fanin, FANIN_TOL, NOT_USED), |
| 1593 | SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, |
| 1594 | store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED), |
| 1595 | SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup, |
| 1596 | store_sf_setup, SETUP_PWM_UPTIME, NOT_USED), |
| 1597 | SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup, |
| 1598 | store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED), |
| 1599 | }; |
| 1600 | |
| 1601 | /* |
| 1602 | * Driver interface |
| 1603 | */ |
| 1604 | |
| 1605 | static void w83795_init_client(struct i2c_client *client) |
| 1606 | { |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1607 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1608 | static const u16 clkin[4] = { /* in kHz */ |
| 1609 | 14318, 24000, 33333, 48000 |
| 1610 | }; |
Jean Delvare | 80646b9 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1611 | u8 config; |
| 1612 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1613 | if (reset) |
| 1614 | w83795_write(client, W83795_REG_CONFIG, 0x80); |
| 1615 | |
Jean Delvare | 80646b9 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1616 | /* Start monitoring if needed */ |
| 1617 | config = w83795_read(client, W83795_REG_CONFIG); |
| 1618 | if (!(config & W83795_REG_CONFIG_START)) { |
| 1619 | dev_info(&client->dev, "Enabling monitoring operations\n"); |
| 1620 | w83795_write(client, W83795_REG_CONFIG, |
| 1621 | config | W83795_REG_CONFIG_START); |
| 1622 | } |
Jean Delvare | 01879a8 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1623 | |
| 1624 | data->clkin = clkin[(config >> 3) & 0x3]; |
| 1625 | dev_dbg(&client->dev, "clkin = %u kHz\n", data->clkin); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1626 | } |
| 1627 | |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1628 | static int w83795_get_device_id(struct i2c_client *client) |
| 1629 | { |
| 1630 | int device_id; |
| 1631 | |
| 1632 | device_id = i2c_smbus_read_byte_data(client, W83795_REG_DEVICEID); |
| 1633 | |
| 1634 | /* Special case for rev. A chips; can't be checked first because later |
| 1635 | revisions emulate this for compatibility */ |
| 1636 | if (device_id < 0 || (device_id & 0xf0) != 0x50) { |
| 1637 | int alt_id; |
| 1638 | |
| 1639 | alt_id = i2c_smbus_read_byte_data(client, |
| 1640 | W83795_REG_DEVICEID_A); |
| 1641 | if (alt_id == 0x50) |
| 1642 | device_id = alt_id; |
| 1643 | } |
| 1644 | |
| 1645 | return device_id; |
| 1646 | } |
| 1647 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1648 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
| 1649 | static int w83795_detect(struct i2c_client *client, |
| 1650 | struct i2c_board_info *info) |
| 1651 | { |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1652 | int bank, vendor_id, device_id, expected, i2c_addr, config; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1653 | struct i2c_adapter *adapter = client->adapter; |
| 1654 | unsigned short address = client->addr; |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1655 | const char *chip_name; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1656 | |
| 1657 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 1658 | return -ENODEV; |
| 1659 | bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL); |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1660 | if (bank < 0 || (bank & 0x7c)) { |
| 1661 | dev_dbg(&adapter->dev, |
| 1662 | "w83795: Detection failed at addr 0x%02hx, check %s\n", |
| 1663 | address, "bank"); |
| 1664 | return -ENODEV; |
| 1665 | } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1666 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1667 | /* Check Nuvoton vendor ID */ |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1668 | vendor_id = i2c_smbus_read_byte_data(client, W83795_REG_VENDORID); |
| 1669 | expected = bank & 0x80 ? 0x5c : 0xa3; |
| 1670 | if (vendor_id != expected) { |
| 1671 | dev_dbg(&adapter->dev, |
| 1672 | "w83795: Detection failed at addr 0x%02hx, check %s\n", |
| 1673 | address, "vendor id"); |
| 1674 | return -ENODEV; |
| 1675 | } |
| 1676 | |
| 1677 | /* Check device ID */ |
| 1678 | device_id = w83795_get_device_id(client) | |
| 1679 | (i2c_smbus_read_byte_data(client, W83795_REG_CHIPID) << 8); |
| 1680 | if ((device_id >> 4) != 0x795) { |
| 1681 | dev_dbg(&adapter->dev, |
| 1682 | "w83795: Detection failed at addr 0x%02hx, check %s\n", |
| 1683 | address, "device id\n"); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1684 | return -ENODEV; |
| 1685 | } |
| 1686 | |
| 1687 | /* If Nuvoton chip, address of chip and W83795_REG_I2C_ADDR |
| 1688 | should match */ |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1689 | if ((bank & 0x07) == 0) { |
| 1690 | i2c_addr = i2c_smbus_read_byte_data(client, |
| 1691 | W83795_REG_I2C_ADDR); |
| 1692 | if ((i2c_addr & 0x7f) != address) { |
| 1693 | dev_dbg(&adapter->dev, |
| 1694 | "w83795: Detection failed at addr 0x%02hx, " |
| 1695 | "check %s\n", address, "i2c addr"); |
| 1696 | return -ENODEV; |
| 1697 | } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1698 | } |
| 1699 | |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1700 | /* Check 795 chip type: 795G or 795ADG |
| 1701 | Usually we don't write to chips during detection, but here we don't |
| 1702 | quite have the choice; hopefully it's OK, we are about to return |
| 1703 | success anyway */ |
| 1704 | if ((bank & 0x07) != 0) |
| 1705 | i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, |
| 1706 | bank & ~0x07); |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1707 | config = i2c_smbus_read_byte_data(client, W83795_REG_CONFIG); |
| 1708 | if (config & W83795_REG_CONFIG_CONFIG48) |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1709 | chip_name = "w83795adg"; |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1710 | else |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1711 | chip_name = "w83795g"; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1712 | |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1713 | strlcpy(info->type, chip_name, I2C_NAME_SIZE); |
Jean Delvare | 2be381d | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1714 | dev_info(&adapter->dev, "Found %s rev. %c at 0x%02hx\n", chip_name, |
| 1715 | 'A' + (device_id & 0xf), address); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1716 | |
| 1717 | return 0; |
| 1718 | } |
| 1719 | |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1720 | static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, |
| 1721 | const struct device_attribute *)) |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1722 | { |
| 1723 | struct w83795_data *data = dev_get_drvdata(dev); |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1724 | int err, i, j; |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1725 | |
| 1726 | for (i = 0; i < ARRAY_SIZE(w83795_in); i++) { |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1727 | if (!(data->has_in & (1 << i))) |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1728 | continue; |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1729 | for (j = 0; j < ARRAY_SIZE(w83795_in[0]); j++) { |
| 1730 | err = fn(dev, &w83795_in[i][j].dev_attr); |
| 1731 | if (err) |
| 1732 | return err; |
| 1733 | } |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1734 | } |
| 1735 | |
| 1736 | for (i = 0; i < ARRAY_SIZE(w83795_fan); i++) { |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1737 | if (!(data->has_fan & (1 << i))) |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1738 | continue; |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1739 | for (j = 0; j < ARRAY_SIZE(w83795_fan[0]); j++) { |
| 1740 | err = fn(dev, &w83795_fan[i][j].dev_attr); |
| 1741 | if (err) |
| 1742 | return err; |
| 1743 | } |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1744 | } |
| 1745 | |
| 1746 | for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) { |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1747 | err = fn(dev, &sda_single_files[i].dev_attr); |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1748 | if (err) |
| 1749 | return err; |
| 1750 | } |
| 1751 | |
Jean Delvare | b5f6a90 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1752 | for (i = 0; i < data->has_pwm; i++) { |
| 1753 | for (j = 0; j < ARRAY_SIZE(w83795_pwm[0]); j++) { |
| 1754 | err = fn(dev, &w83795_pwm[i][j].dev_attr); |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1755 | if (err) |
| 1756 | return err; |
| 1757 | } |
| 1758 | } |
| 1759 | |
| 1760 | for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) { |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1761 | if (!(data->has_temp & (1 << i))) |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1762 | continue; |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1763 | for (j = 0; j < ARRAY_SIZE(w83795_temp[0]); j++) { |
| 1764 | err = fn(dev, &w83795_temp[i][j].dev_attr); |
| 1765 | if (err) |
| 1766 | return err; |
| 1767 | } |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1768 | } |
| 1769 | |
| 1770 | if (data->enable_dts != 0) { |
| 1771 | for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) { |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1772 | if (!(data->has_dts & (1 << i))) |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1773 | continue; |
Jean Delvare | 87df0da | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1774 | for (j = 0; j < ARRAY_SIZE(w83795_dts[0]); j++) { |
| 1775 | err = fn(dev, &w83795_dts[i][j].dev_attr); |
| 1776 | if (err) |
| 1777 | return err; |
| 1778 | } |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1779 | } |
| 1780 | } |
| 1781 | |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1782 | return 0; |
| 1783 | } |
| 1784 | |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1785 | /* We need a wrapper that fits in w83795_handle_files */ |
| 1786 | static int device_remove_file_wrapper(struct device *dev, |
| 1787 | const struct device_attribute *attr) |
Jean Delvare | 2fa0987 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1788 | { |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1789 | device_remove_file(dev, attr); |
| 1790 | return 0; |
Jean Delvare | 2fa0987 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1791 | } |
| 1792 | |
Jean Delvare | 0e25601 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1793 | static void w83795_check_dynamic_in_limits(struct i2c_client *client) |
| 1794 | { |
| 1795 | struct w83795_data *data = i2c_get_clientdata(client); |
| 1796 | u8 vid_ctl; |
| 1797 | int i, err_max, err_min; |
| 1798 | |
| 1799 | vid_ctl = w83795_read(client, W83795_REG_VID_CTRL); |
| 1800 | |
| 1801 | /* Return immediately if VRM isn't configured */ |
| 1802 | if ((vid_ctl & 0x07) == 0x00 || (vid_ctl & 0x07) == 0x07) |
| 1803 | return; |
| 1804 | |
| 1805 | data->has_dyn_in = (vid_ctl >> 3) & 0x07; |
| 1806 | for (i = 0; i < 2; i++) { |
| 1807 | if (!(data->has_dyn_in & (1 << i))) |
| 1808 | continue; |
| 1809 | |
| 1810 | /* Voltage limits in dynamic mode, switch to read-only */ |
| 1811 | err_max = sysfs_chmod_file(&client->dev.kobj, |
| 1812 | &w83795_in[i][2].dev_attr.attr, |
| 1813 | S_IRUGO); |
| 1814 | err_min = sysfs_chmod_file(&client->dev.kobj, |
| 1815 | &w83795_in[i][3].dev_attr.attr, |
| 1816 | S_IRUGO); |
| 1817 | if (err_max || err_min) |
| 1818 | dev_warn(&client->dev, "Failed to set in%d limits " |
| 1819 | "read-only (%d, %d)\n", i, err_max, err_min); |
| 1820 | else |
| 1821 | dev_info(&client->dev, "in%d limits set dynamically " |
| 1822 | "from VID\n", i); |
| 1823 | } |
| 1824 | } |
| 1825 | |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1826 | /* Check pins that can be used for either temperature or voltage monitoring */ |
| 1827 | static void w83795_apply_temp_config(struct w83795_data *data, u8 config, |
| 1828 | int temp_chan, int in_chan) |
| 1829 | { |
| 1830 | /* config is a 2-bit value */ |
| 1831 | switch (config) { |
| 1832 | case 0x2: /* Voltage monitoring */ |
| 1833 | data->has_in |= 1 << in_chan; |
| 1834 | break; |
| 1835 | case 0x1: /* Thermal diode */ |
| 1836 | if (temp_chan >= 4) |
| 1837 | break; |
| 1838 | data->temp_mode |= 1 << temp_chan; |
| 1839 | /* fall through */ |
| 1840 | case 0x3: /* Thermistor */ |
| 1841 | data->has_temp |= 1 << temp_chan; |
| 1842 | break; |
| 1843 | } |
| 1844 | } |
| 1845 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1846 | static int w83795_probe(struct i2c_client *client, |
| 1847 | const struct i2c_device_id *id) |
| 1848 | { |
| 1849 | int i; |
| 1850 | u8 tmp; |
| 1851 | struct device *dev = &client->dev; |
| 1852 | struct w83795_data *data; |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1853 | int err; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1854 | |
| 1855 | data = kzalloc(sizeof(struct w83795_data), GFP_KERNEL); |
| 1856 | if (!data) { |
| 1857 | err = -ENOMEM; |
| 1858 | goto exit; |
| 1859 | } |
| 1860 | |
| 1861 | i2c_set_clientdata(client, data); |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 1862 | data->chip_type = id->driver_data; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1863 | data->bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL); |
| 1864 | mutex_init(&data->update_lock); |
| 1865 | |
| 1866 | /* Initialize the chip */ |
| 1867 | w83795_init_client(client); |
| 1868 | |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1869 | /* Check which voltages and fans are present */ |
| 1870 | data->has_in = w83795_read(client, W83795_REG_VOLT_CTRL1) |
| 1871 | | (w83795_read(client, W83795_REG_VOLT_CTRL2) << 8); |
| 1872 | data->has_fan = w83795_read(client, W83795_REG_FANIN_CTRL1) |
| 1873 | | (w83795_read(client, W83795_REG_FANIN_CTRL2) << 8); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1874 | |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1875 | /* Check which analog temperatures and extra voltages are present */ |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1876 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL1); |
| 1877 | if (tmp & 0x20) |
| 1878 | data->enable_dts = 1; |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1879 | w83795_apply_temp_config(data, (tmp >> 2) & 0x3, 5, 16); |
| 1880 | w83795_apply_temp_config(data, tmp & 0x3, 4, 15); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1881 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL2); |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1882 | w83795_apply_temp_config(data, tmp >> 6, 3, 20); |
| 1883 | w83795_apply_temp_config(data, (tmp >> 4) & 0x3, 2, 19); |
| 1884 | w83795_apply_temp_config(data, (tmp >> 2) & 0x3, 1, 18); |
| 1885 | w83795_apply_temp_config(data, tmp & 0x3, 0, 17); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1886 | |
| 1887 | /* Check DTS enable status */ |
Jean Delvare | 71caf46 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 1888 | if (data->enable_dts) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1889 | if (1 & w83795_read(client, W83795_REG_DTSC)) |
| 1890 | data->enable_dts |= 2; |
| 1891 | data->has_dts = w83795_read(client, W83795_REG_DTSE); |
| 1892 | } |
| 1893 | |
Jean Delvare | 54891a3 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1894 | /* Report PECI Tbase values */ |
| 1895 | if (data->enable_dts == 1) { |
| 1896 | for (i = 0; i < 8; i++) { |
| 1897 | if (!(data->has_dts & (1 << i))) |
| 1898 | continue; |
| 1899 | tmp = w83795_read(client, W83795_REG_PECI_TBASE(i)); |
| 1900 | dev_info(&client->dev, |
| 1901 | "PECI agent %d Tbase temperature: %u\n", |
| 1902 | i + 1, (unsigned int)tmp & 0x7f); |
| 1903 | } |
| 1904 | } |
| 1905 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1906 | /* First update the voltages measured value and limits */ |
| 1907 | for (i = 0; i < ARRAY_SIZE(data->in); i++) { |
| 1908 | if (!(data->has_in & (1 << i))) |
| 1909 | continue; |
| 1910 | data->in[i][IN_MAX] = |
| 1911 | w83795_read(client, W83795_REG_IN[i][IN_MAX]); |
| 1912 | data->in[i][IN_LOW] = |
| 1913 | w83795_read(client, W83795_REG_IN[i][IN_LOW]); |
| 1914 | tmp = w83795_read(client, W83795_REG_IN[i][IN_READ]) << 2; |
Jean Delvare | a654b9d4 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1915 | tmp |= w83795_read(client, W83795_REG_VRLSB) >> 6; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1916 | data->in[i][IN_READ] = tmp; |
| 1917 | } |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 1918 | for (i = 0; i < ARRAY_SIZE(data->in_lsb); i++) { |
Jean Delvare | c1a792a | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1919 | if ((i == 2 && data->chip_type == w83795adg) || |
| 1920 | (i >= 4 && !(data->has_in & (1 << (i + 11))))) |
| 1921 | continue; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1922 | data->in_lsb[i][IN_MAX] = |
| 1923 | w83795_read(client, IN_LSB_REG(i, IN_MAX)); |
| 1924 | data->in_lsb[i][IN_LOW] = |
| 1925 | w83795_read(client, IN_LSB_REG(i, IN_LOW)); |
| 1926 | } |
| 1927 | data->has_gain = w83795_read(client, W83795_REG_VMIGB_CTRL) & 0x0f; |
| 1928 | |
| 1929 | /* First update fan and limits */ |
| 1930 | for (i = 0; i < ARRAY_SIZE(data->fan); i++) { |
Jean Delvare | c1a792a | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1931 | /* Each register contains LSB for 2 fans, but we want to |
| 1932 | * read it only once to save time */ |
| 1933 | if ((i & 1) == 0 && (data->has_fan & (3 << i))) |
| 1934 | tmp = w83795_read(client, W83795_REG_FAN_MIN_LSB(i)); |
| 1935 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1936 | if (!(data->has_fan & (1 << i))) |
| 1937 | continue; |
| 1938 | data->fan_min[i] = |
| 1939 | w83795_read(client, W83795_REG_FAN_MIN_HL(i)) << 4; |
| 1940 | data->fan_min[i] |= |
Jean Delvare | c1a792a | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1941 | (tmp >> W83795_REG_FAN_MIN_LSB_SHIFT(i)) & 0x0F; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1942 | data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4; |
Jean Delvare | a654b9d4 | 2010-10-28 20:31:47 +0200 | [diff] [blame] | 1943 | data->fan[i] |= w83795_read(client, W83795_REG_VRLSB) >> 4; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1944 | } |
| 1945 | |
| 1946 | /* temperature and limits */ |
| 1947 | for (i = 0; i < ARRAY_SIZE(data->temp); i++) { |
| 1948 | if (!(data->has_temp & (1 << i))) |
| 1949 | continue; |
| 1950 | data->temp[i][TEMP_CRIT] = |
| 1951 | w83795_read(client, W83795_REG_TEMP[i][TEMP_CRIT]); |
| 1952 | data->temp[i][TEMP_CRIT_HYST] = |
| 1953 | w83795_read(client, W83795_REG_TEMP[i][TEMP_CRIT_HYST]); |
| 1954 | data->temp[i][TEMP_WARN] = |
| 1955 | w83795_read(client, W83795_REG_TEMP[i][TEMP_WARN]); |
| 1956 | data->temp[i][TEMP_WARN_HYST] = |
| 1957 | w83795_read(client, W83795_REG_TEMP[i][TEMP_WARN_HYST]); |
| 1958 | data->temp[i][TEMP_READ] = |
| 1959 | w83795_read(client, W83795_REG_TEMP[i][TEMP_READ]); |
| 1960 | data->temp_read_vrlsb[i] = |
| 1961 | w83795_read(client, W83795_REG_VRLSB); |
| 1962 | } |
| 1963 | |
| 1964 | /* dts temperature and limits */ |
| 1965 | if (data->enable_dts != 0) { |
| 1966 | data->dts_ext[DTS_CRIT] = |
| 1967 | w83795_read(client, W83795_REG_DTS_EXT(DTS_CRIT)); |
| 1968 | data->dts_ext[DTS_CRIT_HYST] = |
| 1969 | w83795_read(client, W83795_REG_DTS_EXT(DTS_CRIT_HYST)); |
| 1970 | data->dts_ext[DTS_WARN] = |
| 1971 | w83795_read(client, W83795_REG_DTS_EXT(DTS_WARN)); |
| 1972 | data->dts_ext[DTS_WARN_HYST] = |
| 1973 | w83795_read(client, W83795_REG_DTS_EXT(DTS_WARN_HYST)); |
| 1974 | for (i = 0; i < ARRAY_SIZE(data->dts); i++) { |
| 1975 | if (!(data->has_dts & (1 << i))) |
| 1976 | continue; |
| 1977 | data->dts[i] = w83795_read(client, W83795_REG_DTS(i)); |
| 1978 | data->dts_read_vrlsb[i] = |
| 1979 | w83795_read(client, W83795_REG_VRLSB); |
| 1980 | } |
| 1981 | } |
| 1982 | |
| 1983 | /* First update temp source selction */ |
| 1984 | for (i = 0; i < 3; i++) |
| 1985 | data->temp_src[i] = w83795_read(client, W83795_REG_TSS(i)); |
| 1986 | |
| 1987 | /* pwm and smart fan */ |
| 1988 | if (data->chip_type == w83795g) |
| 1989 | data->has_pwm = 8; |
| 1990 | else |
| 1991 | data->has_pwm = 2; |
| 1992 | data->pwm_fcms[0] = w83795_read(client, W83795_REG_FCMS1); |
| 1993 | data->pwm_fcms[1] = w83795_read(client, W83795_REG_FCMS2); |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 1994 | for (i = 0; i < ARRAY_SIZE(data->pwm_tfmr); i++) |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 1995 | data->pwm_tfmr[i] = w83795_read(client, W83795_REG_TFMR(i)); |
| 1996 | data->pwm_fomc = w83795_read(client, W83795_REG_FOMC); |
| 1997 | for (i = 0; i < data->has_pwm; i++) { |
| 1998 | for (tmp = 0; tmp < 5; tmp++) { |
| 1999 | data->pwm[i][tmp] = |
| 2000 | w83795_read(client, W83795_REG_PWM(i, tmp)); |
| 2001 | } |
| 2002 | } |
| 2003 | for (i = 0; i < 8; i++) { |
| 2004 | data->target_speed[i] = |
| 2005 | w83795_read(client, W83795_REG_FTSH(i)) << 4; |
| 2006 | data->target_speed[i] |= |
| 2007 | w83795_read(client, W83795_REG_FTSL(i)) >> 4; |
| 2008 | } |
| 2009 | data->tol_speed = w83795_read(client, W83795_REG_TFTS) & 0x3f; |
| 2010 | |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 2011 | for (i = 0; i < ARRAY_SIZE(data->pwm_temp); i++) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2012 | data->pwm_temp[i][TEMP_PWM_TTTI] = |
| 2013 | w83795_read(client, W83795_REG_TTTI(i)) & 0x7f; |
| 2014 | data->pwm_temp[i][TEMP_PWM_CTFS] = |
| 2015 | w83795_read(client, W83795_REG_CTFS(i)); |
| 2016 | tmp = w83795_read(client, W83795_REG_HT(i)); |
| 2017 | data->pwm_temp[i][TEMP_PWM_HCT] = (tmp >> 4) & 0x0f; |
| 2018 | data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f; |
| 2019 | } |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 2020 | for (i = 0; i < ARRAY_SIZE(data->sf4_reg); i++) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2021 | for (tmp = 0; tmp < 7; tmp++) { |
| 2022 | data->sf4_reg[i][SF4_TEMP][tmp] = |
| 2023 | w83795_read(client, |
| 2024 | W83795_REG_SF4_TEMP(i, tmp)); |
| 2025 | data->sf4_reg[i][SF4_PWM][tmp] = |
| 2026 | w83795_read(client, W83795_REG_SF4_PWM(i, tmp)); |
| 2027 | } |
| 2028 | } |
| 2029 | |
| 2030 | /* Setup PWM Register */ |
| 2031 | for (i = 0; i < 3; i++) { |
| 2032 | data->setup_pwm[i] = |
| 2033 | w83795_read(client, W83795_REG_SETUP_PWM(i)); |
| 2034 | } |
| 2035 | |
| 2036 | /* alarm and beep */ |
Jean Delvare | cd316df | 2010-10-28 20:31:48 +0200 | [diff] [blame] | 2037 | for (i = 0; i < ARRAY_SIZE(data->alarms); i++) { |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2038 | data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i)); |
| 2039 | data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); |
| 2040 | } |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2041 | |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2042 | err = w83795_handle_files(dev, device_create_file); |
Jean Delvare | 892514a | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2043 | if (err) |
| 2044 | goto exit_remove; |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2045 | |
Jean Delvare | 0e25601 | 2010-10-28 20:31:46 +0200 | [diff] [blame] | 2046 | if (data->chip_type == w83795g) |
| 2047 | w83795_check_dynamic_in_limits(client); |
| 2048 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2049 | data->hwmon_dev = hwmon_device_register(dev); |
| 2050 | if (IS_ERR(data->hwmon_dev)) { |
| 2051 | err = PTR_ERR(data->hwmon_dev); |
| 2052 | goto exit_remove; |
| 2053 | } |
| 2054 | |
| 2055 | return 0; |
| 2056 | |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2057 | exit_remove: |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2058 | w83795_handle_files(dev, device_remove_file_wrapper); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2059 | kfree(data); |
| 2060 | exit: |
| 2061 | return err; |
| 2062 | } |
| 2063 | |
| 2064 | static int w83795_remove(struct i2c_client *client) |
| 2065 | { |
| 2066 | struct w83795_data *data = i2c_get_clientdata(client); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2067 | |
| 2068 | hwmon_device_unregister(data->hwmon_dev); |
Jean Delvare | 6f3dcde | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2069 | w83795_handle_files(&client->dev, device_remove_file_wrapper); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2070 | kfree(data); |
| 2071 | |
| 2072 | return 0; |
| 2073 | } |
| 2074 | |
| 2075 | |
| 2076 | static const struct i2c_device_id w83795_id[] = { |
Jean Delvare | 093d1a4 | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2077 | { "w83795g", w83795g }, |
| 2078 | { "w83795adg", w83795adg }, |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2079 | { } |
| 2080 | }; |
| 2081 | MODULE_DEVICE_TABLE(i2c, w83795_id); |
| 2082 | |
| 2083 | static struct i2c_driver w83795_driver = { |
| 2084 | .driver = { |
| 2085 | .name = "w83795", |
| 2086 | }, |
| 2087 | .probe = w83795_probe, |
| 2088 | .remove = w83795_remove, |
| 2089 | .id_table = w83795_id, |
| 2090 | |
| 2091 | .class = I2C_CLASS_HWMON, |
| 2092 | .detect = w83795_detect, |
| 2093 | .address_list = normal_i2c, |
| 2094 | }; |
| 2095 | |
| 2096 | static int __init sensors_w83795_init(void) |
| 2097 | { |
| 2098 | return i2c_add_driver(&w83795_driver); |
| 2099 | } |
| 2100 | |
| 2101 | static void __exit sensors_w83795_exit(void) |
| 2102 | { |
| 2103 | i2c_del_driver(&w83795_driver); |
| 2104 | } |
| 2105 | |
| 2106 | MODULE_AUTHOR("Wei Song"); |
Jean Delvare | 315bacf | 2010-10-28 20:31:45 +0200 | [diff] [blame] | 2107 | MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver"); |
Wei Song | 792d376 | 2010-10-28 20:31:44 +0200 | [diff] [blame] | 2108 | MODULE_LICENSE("GPL"); |
| 2109 | |
| 2110 | module_init(sensors_w83795_init); |
| 2111 | module_exit(sensors_w83795_exit); |