Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | w83781d.c - Part of lm_sensors, Linux kernel modules for hardware |
| 3 | monitoring |
| 4 | Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, |
| 5 | Philip Edelbrock <phil@netroedge.com>, |
| 6 | and Mark Studebaker <mdsxyz123@yahoo.com> |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | */ |
| 22 | |
| 23 | /* |
| 24 | Supports following chips: |
| 25 | |
| 26 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
| 27 | as99127f 7 3 0 3 0x31 0x12c3 yes no |
| 28 | as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no |
| 29 | w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes |
| 30 | w83627hf 9 3 2 3 0x21 0x5ca3 yes yes(LPC) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | w83782d 9 3 2-4 3 0x30 0x5ca3 yes yes |
| 32 | w83783s 5-6 3 2 1-2 0x40 0x5ca3 yes no |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
| 34 | */ |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <linux/module.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/slab.h> |
| 39 | #include <linux/jiffies.h> |
| 40 | #include <linux/i2c.h> |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 41 | #include <linux/i2c-isa.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 42 | #include <linux/hwmon.h> |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 43 | #include <linux/hwmon-vid.h> |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 44 | #include <linux/sysfs.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 45 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 46 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #include <asm/io.h> |
| 48 | #include "lm75.h" |
| 49 | |
| 50 | /* Addresses to scan */ |
| 51 | static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, |
| 52 | 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, |
| 53 | 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 54 | static unsigned short isa_address = 0x290; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | /* Insmod parameters */ |
Jean Delvare | f4b5026 | 2005-07-31 21:49:03 +0200 | [diff] [blame] | 57 | I2C_CLIENT_INSMOD_5(w83781d, w83782d, w83783s, w83627hf, as99127f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
| 59 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); |
| 60 | |
Jean Delvare | fabddcd | 2006-02-05 23:26:51 +0100 | [diff] [blame] | 61 | static int reset; |
| 62 | module_param(reset, bool, 0); |
| 63 | MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); |
| 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | static int init = 1; |
| 66 | module_param(init, bool, 0); |
| 67 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); |
| 68 | |
| 69 | /* Constants specified below */ |
| 70 | |
| 71 | /* Length of ISA address segment */ |
| 72 | #define W83781D_EXTENT 8 |
| 73 | |
| 74 | /* Where are the ISA address/data registers relative to the base address */ |
| 75 | #define W83781D_ADDR_REG_OFFSET 5 |
| 76 | #define W83781D_DATA_REG_OFFSET 6 |
| 77 | |
| 78 | /* The W83781D registers */ |
| 79 | /* The W83782D registers for nr=7,8 are in bank 5 */ |
| 80 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
| 81 | (0x554 + (((nr) - 7) * 2))) |
| 82 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
| 83 | (0x555 + (((nr) - 7) * 2))) |
| 84 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
| 85 | (0x550 + (nr) - 7)) |
| 86 | |
| 87 | #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) |
| 88 | #define W83781D_REG_FAN(nr) (0x27 + (nr)) |
| 89 | |
| 90 | #define W83781D_REG_BANK 0x4E |
| 91 | #define W83781D_REG_TEMP2_CONFIG 0x152 |
| 92 | #define W83781D_REG_TEMP3_CONFIG 0x252 |
| 93 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ |
| 94 | ((nr == 2) ? (0x0150) : \ |
| 95 | (0x27))) |
| 96 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ |
| 97 | ((nr == 2) ? (0x153) : \ |
| 98 | (0x3A))) |
| 99 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ |
| 100 | ((nr == 2) ? (0x155) : \ |
| 101 | (0x39))) |
| 102 | |
| 103 | #define W83781D_REG_CONFIG 0x40 |
Jean Delvare | c7f5d7e | 2006-02-05 23:13:48 +0100 | [diff] [blame] | 104 | |
| 105 | /* Interrupt status (W83781D, AS99127F) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | #define W83781D_REG_ALARM1 0x41 |
| 107 | #define W83781D_REG_ALARM2 0x42 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Jean Delvare | c7f5d7e | 2006-02-05 23:13:48 +0100 | [diff] [blame] | 109 | /* Real-time status (W83782D, W83783S, W83627HF) */ |
| 110 | #define W83782D_REG_ALARM1 0x459 |
| 111 | #define W83782D_REG_ALARM2 0x45A |
| 112 | #define W83782D_REG_ALARM3 0x45B |
| 113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | #define W83781D_REG_BEEP_CONFIG 0x4D |
| 115 | #define W83781D_REG_BEEP_INTS1 0x56 |
| 116 | #define W83781D_REG_BEEP_INTS2 0x57 |
| 117 | #define W83781D_REG_BEEP_INTS3 0x453 /* not on W83781D */ |
| 118 | |
| 119 | #define W83781D_REG_VID_FANDIV 0x47 |
| 120 | |
| 121 | #define W83781D_REG_CHIPID 0x49 |
| 122 | #define W83781D_REG_WCHIPID 0x58 |
| 123 | #define W83781D_REG_CHIPMAN 0x4F |
| 124 | #define W83781D_REG_PIN 0x4B |
| 125 | |
| 126 | /* 782D/783S only */ |
| 127 | #define W83781D_REG_VBAT 0x5D |
| 128 | |
| 129 | /* PWM 782D (1-4) and 783S (1-2) only */ |
| 130 | #define W83781D_REG_PWM1 0x5B /* 782d and 783s/627hf datasheets disagree */ |
| 131 | /* on which is which; */ |
| 132 | #define W83781D_REG_PWM2 0x5A /* We follow the 782d convention here, */ |
| 133 | /* However 782d is probably wrong. */ |
| 134 | #define W83781D_REG_PWM3 0x5E |
| 135 | #define W83781D_REG_PWM4 0x5F |
| 136 | #define W83781D_REG_PWMCLK12 0x5C |
| 137 | #define W83781D_REG_PWMCLK34 0x45C |
| 138 | static const u8 regpwm[] = { W83781D_REG_PWM1, W83781D_REG_PWM2, |
| 139 | W83781D_REG_PWM3, W83781D_REG_PWM4 |
| 140 | }; |
| 141 | |
| 142 | #define W83781D_REG_PWM(nr) (regpwm[(nr) - 1]) |
| 143 | |
| 144 | #define W83781D_REG_I2C_ADDR 0x48 |
| 145 | #define W83781D_REG_I2C_SUBADDR 0x4A |
| 146 | |
| 147 | /* The following are undocumented in the data sheets however we |
| 148 | received the information in an email from Winbond tech support */ |
| 149 | /* Sensor selection - not on 781d */ |
| 150 | #define W83781D_REG_SCFG1 0x5D |
| 151 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; |
| 152 | |
| 153 | #define W83781D_REG_SCFG2 0x59 |
| 154 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; |
| 155 | |
| 156 | #define W83781D_DEFAULT_BETA 3435 |
| 157 | |
| 158 | /* RT Table registers */ |
| 159 | #define W83781D_REG_RT_IDX 0x50 |
| 160 | #define W83781D_REG_RT_VAL 0x51 |
| 161 | |
| 162 | /* Conversions. Rounding and limit checking is only done on the TO_REG |
| 163 | variants. Note that you should be a bit careful with which arguments |
| 164 | these macros are called: arguments may be evaluated more than once. |
| 165 | Fixing this is just not worth it. */ |
| 166 | #define IN_TO_REG(val) (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255)) |
| 167 | #define IN_FROM_REG(val) (((val) * 16) / 10) |
| 168 | |
| 169 | static inline u8 |
| 170 | FAN_TO_REG(long rpm, int div) |
| 171 | { |
| 172 | if (rpm == 0) |
| 173 | return 255; |
| 174 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); |
| 175 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); |
| 176 | } |
| 177 | |
| 178 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ |
| 179 | ((val) == 255 ? 0 : \ |
| 180 | 1350000 / ((val) * (div)))) |
| 181 | |
| 182 | #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ |
| 183 | : (val)) / 1000, 0, 0xff)) |
| 184 | #define TEMP_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) |
| 185 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | #define PWM_FROM_REG(val) (val) |
| 187 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) |
| 188 | #define BEEP_MASK_FROM_REG(val,type) ((type) == as99127f ? \ |
| 189 | (val) ^ 0x7fff : (val)) |
| 190 | #define BEEP_MASK_TO_REG(val,type) ((type) == as99127f ? \ |
| 191 | (~(val)) & 0x7fff : (val) & 0xffffff) |
| 192 | |
| 193 | #define BEEP_ENABLE_TO_REG(val) ((val) ? 1 : 0) |
| 194 | #define BEEP_ENABLE_FROM_REG(val) ((val) ? 1 : 0) |
| 195 | |
| 196 | #define DIV_FROM_REG(val) (1 << (val)) |
| 197 | |
| 198 | static inline u8 |
| 199 | DIV_TO_REG(long val, enum chips type) |
| 200 | { |
| 201 | int i; |
| 202 | val = SENSORS_LIMIT(val, 1, |
| 203 | ((type == w83781d |
| 204 | || type == as99127f) ? 8 : 128)) >> 1; |
Grant Coady | abc0192 | 2005-05-12 13:41:51 +1000 | [diff] [blame] | 205 | for (i = 0; i < 7; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | if (val == 0) |
| 207 | break; |
| 208 | val >>= 1; |
| 209 | } |
| 210 | return ((u8) i); |
| 211 | } |
| 212 | |
| 213 | /* There are some complications in a module like this. First off, W83781D chips |
| 214 | may be both present on the SMBus and the ISA bus, and we have to handle |
| 215 | those cases separately at some places. Second, there might be several |
| 216 | W83781D chips available (well, actually, that is probably never done; but |
| 217 | it is a clean illustration of how to handle a case like that). Finally, |
| 218 | a specific chip may be attached to *both* ISA and SMBus, and we would |
| 219 | not like to detect it double. Fortunately, in the case of the W83781D at |
| 220 | least, a register tells us what SMBus address we are on, so that helps |
| 221 | a bit - except if there could be more than one SMBus. Groan. No solution |
| 222 | for this yet. */ |
| 223 | |
Jean Delvare | ed6bafb | 2007-02-14 21:15:03 +0100 | [diff] [blame] | 224 | /* For each registered chip, we need to keep some data in memory. |
| 225 | The structure is dynamically allocated. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | struct w83781d_data { |
| 227 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 228 | struct class_device *class_dev; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 229 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | enum chips type; |
| 231 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 232 | struct mutex update_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | char valid; /* !=0 if following fields are valid */ |
| 234 | unsigned long last_updated; /* In jiffies */ |
| 235 | |
| 236 | struct i2c_client *lm75[2]; /* for secondary I2C addresses */ |
| 237 | /* array of 2 pointers to subclients */ |
| 238 | |
| 239 | u8 in[9]; /* Register value - 8 & 9 for 782D only */ |
| 240 | u8 in_max[9]; /* Register value - 8 & 9 for 782D only */ |
| 241 | u8 in_min[9]; /* Register value - 8 & 9 for 782D only */ |
| 242 | u8 fan[3]; /* Register value */ |
| 243 | u8 fan_min[3]; /* Register value */ |
| 244 | u8 temp; |
| 245 | u8 temp_max; /* Register value */ |
| 246 | u8 temp_max_hyst; /* Register value */ |
| 247 | u16 temp_add[2]; /* Register value */ |
| 248 | u16 temp_max_add[2]; /* Register value */ |
| 249 | u16 temp_max_hyst_add[2]; /* Register value */ |
| 250 | u8 fan_div[3]; /* Register encoding, shifted right */ |
| 251 | u8 vid; /* Register encoding, combined */ |
| 252 | u32 alarms; /* Register encoding, combined */ |
| 253 | u32 beep_mask; /* Register encoding, combined */ |
| 254 | u8 beep_enable; /* Boolean */ |
| 255 | u8 pwm[4]; /* Register value */ |
| 256 | u8 pwmenable[4]; /* Boolean */ |
| 257 | u16 sens[3]; /* 782D/783S only. |
| 258 | 1 = pentium diode; 2 = 3904 diode; |
| 259 | 3000-5000 = thermistor beta. |
| 260 | Default = 3435. |
| 261 | Other Betas unimplemented */ |
| 262 | u8 vrm; |
| 263 | }; |
| 264 | |
| 265 | static int w83781d_attach_adapter(struct i2c_adapter *adapter); |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 266 | static int w83781d_isa_attach_adapter(struct i2c_adapter *adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind); |
| 268 | static int w83781d_detach_client(struct i2c_client *client); |
| 269 | |
Darren Jenkins | f6c27fc | 2006-02-27 23:14:58 +0100 | [diff] [blame] | 270 | static int w83781d_read_value(struct i2c_client *client, u16 reg); |
| 271 | static int w83781d_write_value(struct i2c_client *client, u16 reg, u16 value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | static struct w83781d_data *w83781d_update_device(struct device *dev); |
| 273 | static void w83781d_init_client(struct i2c_client *client); |
| 274 | |
| 275 | static struct i2c_driver w83781d_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 276 | .driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 277 | .name = "w83781d", |
| 278 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | .id = I2C_DRIVERID_W83781D, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | .attach_adapter = w83781d_attach_adapter, |
| 281 | .detach_client = w83781d_detach_client, |
| 282 | }; |
| 283 | |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 284 | static struct i2c_driver w83781d_isa_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 285 | .driver = { |
Jean Delvare | 8721884 | 2006-09-03 22:36:14 +0200 | [diff] [blame] | 286 | .owner = THIS_MODULE, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 287 | .name = "w83781d-isa", |
| 288 | }, |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 289 | .attach_adapter = w83781d_isa_attach_adapter, |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 290 | .detach_client = w83781d_detach_client, |
| 291 | }; |
| 292 | |
| 293 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | /* following are the sysfs callback functions */ |
| 295 | #define show_in_reg(reg) \ |
| 296 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 297 | { \ |
| 298 | struct w83781d_data *data = w83781d_update_device(dev); \ |
| 299 | return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr] * 10)); \ |
| 300 | } |
| 301 | show_in_reg(in); |
| 302 | show_in_reg(in_min); |
| 303 | show_in_reg(in_max); |
| 304 | |
| 305 | #define store_in_reg(REG, reg) \ |
| 306 | static ssize_t store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 307 | { \ |
| 308 | struct i2c_client *client = to_i2c_client(dev); \ |
| 309 | struct w83781d_data *data = i2c_get_clientdata(client); \ |
| 310 | u32 val; \ |
| 311 | \ |
| 312 | val = simple_strtoul(buf, NULL, 10) / 10; \ |
| 313 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 314 | mutex_lock(&data->update_lock); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | data->in_##reg[nr] = IN_TO_REG(val); \ |
| 316 | w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \ |
| 317 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 318 | mutex_unlock(&data->update_lock); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | return count; \ |
| 320 | } |
| 321 | store_in_reg(MIN, min); |
| 322 | store_in_reg(MAX, max); |
| 323 | |
| 324 | #define sysfs_in_offset(offset) \ |
| 325 | static ssize_t \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 326 | show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | { \ |
| 328 | return show_in(dev, buf, offset); \ |
| 329 | } \ |
| 330 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); |
| 331 | |
| 332 | #define sysfs_in_reg_offset(reg, offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 333 | static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | { \ |
| 335 | return show_in_##reg (dev, buf, offset); \ |
| 336 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 337 | static ssize_t store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | { \ |
| 339 | return store_in_##reg (dev, buf, count, offset); \ |
| 340 | } \ |
| 341 | static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_in_##reg##offset, store_regs_in_##reg##offset); |
| 342 | |
| 343 | #define sysfs_in_offsets(offset) \ |
| 344 | sysfs_in_offset(offset); \ |
| 345 | sysfs_in_reg_offset(min, offset); \ |
| 346 | sysfs_in_reg_offset(max, offset); |
| 347 | |
| 348 | sysfs_in_offsets(0); |
| 349 | sysfs_in_offsets(1); |
| 350 | sysfs_in_offsets(2); |
| 351 | sysfs_in_offsets(3); |
| 352 | sysfs_in_offsets(4); |
| 353 | sysfs_in_offsets(5); |
| 354 | sysfs_in_offsets(6); |
| 355 | sysfs_in_offsets(7); |
| 356 | sysfs_in_offsets(8); |
| 357 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | #define show_fan_reg(reg) \ |
| 359 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 360 | { \ |
| 361 | struct w83781d_data *data = w83781d_update_device(dev); \ |
| 362 | return sprintf(buf,"%ld\n", \ |
| 363 | FAN_FROM_REG(data->reg[nr-1], (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ |
| 364 | } |
| 365 | show_fan_reg(fan); |
| 366 | show_fan_reg(fan_min); |
| 367 | |
| 368 | static ssize_t |
| 369 | store_fan_min(struct device *dev, const char *buf, size_t count, int nr) |
| 370 | { |
| 371 | struct i2c_client *client = to_i2c_client(dev); |
| 372 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 373 | u32 val; |
| 374 | |
| 375 | val = simple_strtoul(buf, NULL, 10); |
| 376 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 377 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | data->fan_min[nr - 1] = |
| 379 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); |
| 380 | w83781d_write_value(client, W83781D_REG_FAN_MIN(nr), |
| 381 | data->fan_min[nr - 1]); |
| 382 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 383 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | return count; |
| 385 | } |
| 386 | |
| 387 | #define sysfs_fan_offset(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 388 | static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | { \ |
| 390 | return show_fan(dev, buf, offset); \ |
| 391 | } \ |
| 392 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); |
| 393 | |
| 394 | #define sysfs_fan_min_offset(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 395 | static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | { \ |
| 397 | return show_fan_min(dev, buf, offset); \ |
| 398 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 399 | static ssize_t store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | { \ |
| 401 | return store_fan_min(dev, buf, count, offset); \ |
| 402 | } \ |
| 403 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, show_regs_fan_min##offset, store_regs_fan_min##offset); |
| 404 | |
| 405 | sysfs_fan_offset(1); |
| 406 | sysfs_fan_min_offset(1); |
| 407 | sysfs_fan_offset(2); |
| 408 | sysfs_fan_min_offset(2); |
| 409 | sysfs_fan_offset(3); |
| 410 | sysfs_fan_min_offset(3); |
| 411 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | #define show_temp_reg(reg) \ |
| 413 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 414 | { \ |
| 415 | struct w83781d_data *data = w83781d_update_device(dev); \ |
| 416 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 417 | return sprintf(buf,"%d\n", \ |
| 418 | LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ |
| 419 | } else { /* TEMP1 */ \ |
| 420 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ |
| 421 | } \ |
| 422 | } |
| 423 | show_temp_reg(temp); |
| 424 | show_temp_reg(temp_max); |
| 425 | show_temp_reg(temp_max_hyst); |
| 426 | |
| 427 | #define store_temp_reg(REG, reg) \ |
| 428 | static ssize_t store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 429 | { \ |
| 430 | struct i2c_client *client = to_i2c_client(dev); \ |
| 431 | struct w83781d_data *data = i2c_get_clientdata(client); \ |
| 432 | s32 val; \ |
| 433 | \ |
| 434 | val = simple_strtol(buf, NULL, 10); \ |
| 435 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 436 | mutex_lock(&data->update_lock); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | \ |
| 438 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 439 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ |
| 440 | w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 441 | data->temp_##reg##_add[nr-2]); \ |
| 442 | } else { /* TEMP1 */ \ |
| 443 | data->temp_##reg = TEMP_TO_REG(val); \ |
| 444 | w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 445 | data->temp_##reg); \ |
| 446 | } \ |
| 447 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 448 | mutex_unlock(&data->update_lock); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | return count; \ |
| 450 | } |
| 451 | store_temp_reg(OVER, max); |
| 452 | store_temp_reg(HYST, max_hyst); |
| 453 | |
| 454 | #define sysfs_temp_offset(offset) \ |
| 455 | static ssize_t \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 456 | show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | { \ |
| 458 | return show_temp(dev, buf, offset); \ |
| 459 | } \ |
| 460 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); |
| 461 | |
| 462 | #define sysfs_temp_reg_offset(reg, offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 463 | static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | { \ |
| 465 | return show_temp_##reg (dev, buf, offset); \ |
| 466 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 467 | static ssize_t store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | { \ |
| 469 | return store_temp_##reg (dev, buf, count, offset); \ |
| 470 | } \ |
| 471 | static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); |
| 472 | |
| 473 | #define sysfs_temp_offsets(offset) \ |
| 474 | sysfs_temp_offset(offset); \ |
| 475 | sysfs_temp_reg_offset(max, offset); \ |
| 476 | sysfs_temp_reg_offset(max_hyst, offset); |
| 477 | |
| 478 | sysfs_temp_offsets(1); |
| 479 | sysfs_temp_offsets(2); |
| 480 | sysfs_temp_offsets(3); |
| 481 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | static ssize_t |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 483 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | { |
| 485 | struct w83781d_data *data = w83781d_update_device(dev); |
| 486 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); |
| 487 | } |
| 488 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 489 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 490 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | static ssize_t |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 492 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | { |
| 494 | struct w83781d_data *data = w83781d_update_device(dev); |
| 495 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 496 | } |
| 497 | |
| 498 | static ssize_t |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 499 | store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | { |
| 501 | struct i2c_client *client = to_i2c_client(dev); |
| 502 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 503 | u32 val; |
| 504 | |
| 505 | val = simple_strtoul(buf, NULL, 10); |
| 506 | data->vrm = val; |
| 507 | |
| 508 | return count; |
| 509 | } |
| 510 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 511 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 512 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | static ssize_t |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 514 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | { |
| 516 | struct w83781d_data *data = w83781d_update_device(dev); |
Jean Delvare | 68188ba | 2005-05-16 18:52:38 +0200 | [diff] [blame] | 517 | return sprintf(buf, "%u\n", data->alarms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | } |
| 519 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 520 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 521 | |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 522 | static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | { |
| 524 | struct w83781d_data *data = w83781d_update_device(dev); |
| 525 | return sprintf(buf, "%ld\n", |
| 526 | (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type)); |
| 527 | } |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 528 | static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | { |
| 530 | struct w83781d_data *data = w83781d_update_device(dev); |
| 531 | return sprintf(buf, "%ld\n", |
| 532 | (long)BEEP_ENABLE_FROM_REG(data->beep_enable)); |
| 533 | } |
| 534 | |
| 535 | #define BEEP_ENABLE 0 /* Store beep_enable */ |
| 536 | #define BEEP_MASK 1 /* Store beep_mask */ |
| 537 | |
| 538 | static ssize_t |
| 539 | store_beep_reg(struct device *dev, const char *buf, size_t count, |
| 540 | int update_mask) |
| 541 | { |
| 542 | struct i2c_client *client = to_i2c_client(dev); |
| 543 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 544 | u32 val, val2; |
| 545 | |
| 546 | val = simple_strtoul(buf, NULL, 10); |
| 547 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 548 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | |
| 550 | if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ |
| 551 | data->beep_mask = BEEP_MASK_TO_REG(val, data->type); |
| 552 | w83781d_write_value(client, W83781D_REG_BEEP_INTS1, |
| 553 | data->beep_mask & 0xff); |
| 554 | |
| 555 | if ((data->type != w83781d) && (data->type != as99127f)) { |
| 556 | w83781d_write_value(client, W83781D_REG_BEEP_INTS3, |
| 557 | ((data->beep_mask) >> 16) & 0xff); |
| 558 | } |
| 559 | |
| 560 | val2 = (data->beep_mask >> 8) & 0x7f; |
| 561 | } else { /* We are storing beep_enable */ |
| 562 | val2 = w83781d_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; |
| 563 | data->beep_enable = BEEP_ENABLE_TO_REG(val); |
| 564 | } |
| 565 | |
| 566 | w83781d_write_value(client, W83781D_REG_BEEP_INTS2, |
| 567 | val2 | data->beep_enable << 7); |
| 568 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 569 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | return count; |
| 571 | } |
| 572 | |
| 573 | #define sysfs_beep(REG, reg) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 574 | static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | { \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 576 | return show_beep_##reg(dev, attr, buf); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 578 | static ssize_t store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | { \ |
| 580 | return store_beep_reg(dev, buf, count, BEEP_##REG); \ |
| 581 | } \ |
| 582 | static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, show_regs_beep_##reg, store_regs_beep_##reg); |
| 583 | |
| 584 | sysfs_beep(ENABLE, enable); |
| 585 | sysfs_beep(MASK, mask); |
| 586 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | static ssize_t |
| 588 | show_fan_div_reg(struct device *dev, char *buf, int nr) |
| 589 | { |
| 590 | struct w83781d_data *data = w83781d_update_device(dev); |
| 591 | return sprintf(buf, "%ld\n", |
| 592 | (long) DIV_FROM_REG(data->fan_div[nr - 1])); |
| 593 | } |
| 594 | |
| 595 | /* Note: we save and restore the fan minimum here, because its value is |
| 596 | determined in part by the fan divisor. This follows the principle of |
Andreas Mohr | d6e05ed | 2006-06-26 18:35:02 +0200 | [diff] [blame] | 597 | least surprise; the user doesn't expect the fan minimum to change just |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 598 | because the divisor changed. */ |
| 599 | static ssize_t |
| 600 | store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 601 | { |
| 602 | struct i2c_client *client = to_i2c_client(dev); |
| 603 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 604 | unsigned long min; |
| 605 | u8 reg; |
| 606 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 607 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 608 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | |
| 610 | /* Save fan_min */ |
| 611 | min = FAN_FROM_REG(data->fan_min[nr], |
| 612 | DIV_FROM_REG(data->fan_div[nr])); |
| 613 | |
| 614 | data->fan_div[nr] = DIV_TO_REG(val, data->type); |
| 615 | |
| 616 | reg = (w83781d_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
| 617 | & (nr==0 ? 0xcf : 0x3f)) |
| 618 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); |
| 619 | w83781d_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
| 620 | |
| 621 | /* w83781d and as99127f don't have extended divisor bits */ |
| 622 | if (data->type != w83781d && data->type != as99127f) { |
| 623 | reg = (w83781d_read_value(client, W83781D_REG_VBAT) |
| 624 | & ~(1 << (5 + nr))) |
| 625 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
| 626 | w83781d_write_value(client, W83781D_REG_VBAT, reg); |
| 627 | } |
| 628 | |
| 629 | /* Restore fan_min */ |
| 630 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
| 631 | w83781d_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); |
| 632 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 633 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | return count; |
| 635 | } |
| 636 | |
| 637 | #define sysfs_fan_div(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 638 | static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | { \ |
| 640 | return show_fan_div_reg(dev, buf, offset); \ |
| 641 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 642 | static ssize_t store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | { \ |
| 644 | return store_fan_div_reg(dev, buf, count, offset - 1); \ |
| 645 | } \ |
| 646 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, show_regs_fan_div_##offset, store_regs_fan_div_##offset); |
| 647 | |
| 648 | sysfs_fan_div(1); |
| 649 | sysfs_fan_div(2); |
| 650 | sysfs_fan_div(3); |
| 651 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | static ssize_t |
| 653 | show_pwm_reg(struct device *dev, char *buf, int nr) |
| 654 | { |
| 655 | struct w83781d_data *data = w83781d_update_device(dev); |
| 656 | return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr - 1])); |
| 657 | } |
| 658 | |
| 659 | static ssize_t |
| 660 | show_pwmenable_reg(struct device *dev, char *buf, int nr) |
| 661 | { |
| 662 | struct w83781d_data *data = w83781d_update_device(dev); |
| 663 | return sprintf(buf, "%ld\n", (long) data->pwmenable[nr - 1]); |
| 664 | } |
| 665 | |
| 666 | static ssize_t |
| 667 | store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 668 | { |
| 669 | struct i2c_client *client = to_i2c_client(dev); |
| 670 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 671 | u32 val; |
| 672 | |
| 673 | val = simple_strtoul(buf, NULL, 10); |
| 674 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 675 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | data->pwm[nr - 1] = PWM_TO_REG(val); |
| 677 | w83781d_write_value(client, W83781D_REG_PWM(nr), data->pwm[nr - 1]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 678 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 679 | return count; |
| 680 | } |
| 681 | |
| 682 | static ssize_t |
| 683 | store_pwmenable_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 684 | { |
| 685 | struct i2c_client *client = to_i2c_client(dev); |
| 686 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 687 | u32 val, reg; |
| 688 | |
| 689 | val = simple_strtoul(buf, NULL, 10); |
| 690 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 691 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | |
| 693 | switch (val) { |
| 694 | case 0: |
| 695 | case 1: |
| 696 | reg = w83781d_read_value(client, W83781D_REG_PWMCLK12); |
| 697 | w83781d_write_value(client, W83781D_REG_PWMCLK12, |
| 698 | (reg & 0xf7) | (val << 3)); |
| 699 | |
| 700 | reg = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG); |
| 701 | w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, |
| 702 | (reg & 0xef) | (!val << 4)); |
| 703 | |
| 704 | data->pwmenable[nr - 1] = val; |
| 705 | break; |
| 706 | |
| 707 | default: |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 708 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | return -EINVAL; |
| 710 | } |
| 711 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 712 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 713 | return count; |
| 714 | } |
| 715 | |
| 716 | #define sysfs_pwm(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 717 | static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | { \ |
| 719 | return show_pwm_reg(dev, buf, offset); \ |
| 720 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 721 | static ssize_t store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | const char *buf, size_t count) \ |
| 723 | { \ |
| 724 | return store_pwm_reg(dev, buf, count, offset); \ |
| 725 | } \ |
| 726 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 727 | show_regs_pwm_##offset, store_regs_pwm_##offset); |
| 728 | |
| 729 | #define sysfs_pwmenable(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 730 | static ssize_t show_regs_pwmenable_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | { \ |
| 732 | return show_pwmenable_reg(dev, buf, offset); \ |
| 733 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 734 | static ssize_t store_regs_pwmenable_##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | const char *buf, size_t count) \ |
| 736 | { \ |
| 737 | return store_pwmenable_reg(dev, buf, count, offset); \ |
| 738 | } \ |
| 739 | static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ |
| 740 | show_regs_pwmenable_##offset, store_regs_pwmenable_##offset); |
| 741 | |
| 742 | sysfs_pwm(1); |
| 743 | sysfs_pwm(2); |
| 744 | sysfs_pwmenable(2); /* only PWM2 can be enabled/disabled */ |
| 745 | sysfs_pwm(3); |
| 746 | sysfs_pwm(4); |
| 747 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | static ssize_t |
| 749 | show_sensor_reg(struct device *dev, char *buf, int nr) |
| 750 | { |
| 751 | struct w83781d_data *data = w83781d_update_device(dev); |
| 752 | return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); |
| 753 | } |
| 754 | |
| 755 | static ssize_t |
| 756 | store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 757 | { |
| 758 | struct i2c_client *client = to_i2c_client(dev); |
| 759 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 760 | u32 val, tmp; |
| 761 | |
| 762 | val = simple_strtoul(buf, NULL, 10); |
| 763 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 764 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 765 | |
| 766 | switch (val) { |
| 767 | case 1: /* PII/Celeron diode */ |
| 768 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); |
| 769 | w83781d_write_value(client, W83781D_REG_SCFG1, |
| 770 | tmp | BIT_SCFG1[nr - 1]); |
| 771 | tmp = w83781d_read_value(client, W83781D_REG_SCFG2); |
| 772 | w83781d_write_value(client, W83781D_REG_SCFG2, |
| 773 | tmp | BIT_SCFG2[nr - 1]); |
| 774 | data->sens[nr - 1] = val; |
| 775 | break; |
| 776 | case 2: /* 3904 */ |
| 777 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); |
| 778 | w83781d_write_value(client, W83781D_REG_SCFG1, |
| 779 | tmp | BIT_SCFG1[nr - 1]); |
| 780 | tmp = w83781d_read_value(client, W83781D_REG_SCFG2); |
| 781 | w83781d_write_value(client, W83781D_REG_SCFG2, |
| 782 | tmp & ~BIT_SCFG2[nr - 1]); |
| 783 | data->sens[nr - 1] = val; |
| 784 | break; |
| 785 | case W83781D_DEFAULT_BETA: /* thermistor */ |
| 786 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); |
| 787 | w83781d_write_value(client, W83781D_REG_SCFG1, |
| 788 | tmp & ~BIT_SCFG1[nr - 1]); |
| 789 | data->sens[nr - 1] = val; |
| 790 | break; |
| 791 | default: |
| 792 | dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or %d\n", |
| 793 | (long) val, W83781D_DEFAULT_BETA); |
| 794 | break; |
| 795 | } |
| 796 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 797 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 798 | return count; |
| 799 | } |
| 800 | |
| 801 | #define sysfs_sensor(offset) \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 802 | static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | { \ |
| 804 | return show_sensor_reg(dev, buf, offset); \ |
| 805 | } \ |
Yani Ioannou | e404e27 | 2005-05-17 06:42:58 -0400 | [diff] [blame] | 806 | static ssize_t store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | { \ |
| 808 | return store_sensor_reg(dev, buf, count, offset); \ |
| 809 | } \ |
| 810 | static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, show_regs_sensor_##offset, store_regs_sensor_##offset); |
| 811 | |
| 812 | sysfs_sensor(1); |
| 813 | sysfs_sensor(2); |
| 814 | sysfs_sensor(3); |
| 815 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | /* This function is called when: |
| 817 | * w83781d_driver is inserted (when this module is loaded), for each |
| 818 | available adapter |
| 819 | * when a new adapter is inserted (and w83781d_driver is still present) */ |
| 820 | static int |
| 821 | w83781d_attach_adapter(struct i2c_adapter *adapter) |
| 822 | { |
| 823 | if (!(adapter->class & I2C_CLASS_HWMON)) |
| 824 | return 0; |
Jean Delvare | 2ed2dc3 | 2005-07-31 21:42:02 +0200 | [diff] [blame] | 825 | return i2c_probe(adapter, &addr_data, w83781d_detect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | } |
| 827 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 828 | static int |
| 829 | w83781d_isa_attach_adapter(struct i2c_adapter *adapter) |
| 830 | { |
| 831 | return w83781d_detect(adapter, isa_address, -1); |
| 832 | } |
| 833 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | /* Assumes that adapter is of I2C, not ISA variety. |
| 835 | * OTHERWISE DON'T CALL THIS |
| 836 | */ |
| 837 | static int |
| 838 | w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, |
| 839 | struct i2c_client *new_client) |
| 840 | { |
| 841 | int i, val1 = 0, id; |
| 842 | int err; |
| 843 | const char *client_name = ""; |
| 844 | struct w83781d_data *data = i2c_get_clientdata(new_client); |
| 845 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 846 | data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | if (!(data->lm75[0])) { |
| 848 | err = -ENOMEM; |
| 849 | goto ERROR_SC_0; |
| 850 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | |
| 852 | id = i2c_adapter_id(adapter); |
| 853 | |
| 854 | if (force_subclients[0] == id && force_subclients[1] == address) { |
| 855 | for (i = 2; i <= 3; i++) { |
| 856 | if (force_subclients[i] < 0x48 || |
| 857 | force_subclients[i] > 0x4f) { |
| 858 | dev_err(&new_client->dev, "Invalid subclient " |
| 859 | "address %d; must be 0x48-0x4f\n", |
| 860 | force_subclients[i]); |
| 861 | err = -EINVAL; |
| 862 | goto ERROR_SC_1; |
| 863 | } |
| 864 | } |
| 865 | w83781d_write_value(new_client, W83781D_REG_I2C_SUBADDR, |
| 866 | (force_subclients[2] & 0x07) | |
| 867 | ((force_subclients[3] & 0x07) << 4)); |
| 868 | data->lm75[0]->addr = force_subclients[2]; |
| 869 | } else { |
| 870 | val1 = w83781d_read_value(new_client, W83781D_REG_I2C_SUBADDR); |
| 871 | data->lm75[0]->addr = 0x48 + (val1 & 0x07); |
| 872 | } |
| 873 | |
| 874 | if (kind != w83783s) { |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 875 | data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | if (!(data->lm75[1])) { |
| 877 | err = -ENOMEM; |
| 878 | goto ERROR_SC_1; |
| 879 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | |
| 881 | if (force_subclients[0] == id && |
| 882 | force_subclients[1] == address) { |
| 883 | data->lm75[1]->addr = force_subclients[3]; |
| 884 | } else { |
| 885 | data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07); |
| 886 | } |
| 887 | if (data->lm75[0]->addr == data->lm75[1]->addr) { |
| 888 | dev_err(&new_client->dev, |
| 889 | "Duplicate addresses 0x%x for subclients.\n", |
| 890 | data->lm75[0]->addr); |
| 891 | err = -EBUSY; |
| 892 | goto ERROR_SC_2; |
| 893 | } |
| 894 | } |
| 895 | |
| 896 | if (kind == w83781d) |
| 897 | client_name = "w83781d subclient"; |
| 898 | else if (kind == w83782d) |
| 899 | client_name = "w83782d subclient"; |
| 900 | else if (kind == w83783s) |
| 901 | client_name = "w83783s subclient"; |
| 902 | else if (kind == w83627hf) |
| 903 | client_name = "w83627hf subclient"; |
| 904 | else if (kind == as99127f) |
| 905 | client_name = "as99127f subclient"; |
| 906 | |
| 907 | for (i = 0; i <= 1; i++) { |
| 908 | /* store all data in w83781d */ |
| 909 | i2c_set_clientdata(data->lm75[i], NULL); |
| 910 | data->lm75[i]->adapter = adapter; |
| 911 | data->lm75[i]->driver = &w83781d_driver; |
| 912 | data->lm75[i]->flags = 0; |
| 913 | strlcpy(data->lm75[i]->name, client_name, |
| 914 | I2C_NAME_SIZE); |
| 915 | if ((err = i2c_attach_client(data->lm75[i]))) { |
| 916 | dev_err(&new_client->dev, "Subclient %d " |
| 917 | "registration at address 0x%x " |
| 918 | "failed.\n", i, data->lm75[i]->addr); |
| 919 | if (i == 1) |
| 920 | goto ERROR_SC_3; |
| 921 | goto ERROR_SC_2; |
| 922 | } |
| 923 | if (kind == w83783s) |
| 924 | break; |
| 925 | } |
| 926 | |
| 927 | return 0; |
| 928 | |
| 929 | /* Undo inits in case of errors */ |
| 930 | ERROR_SC_3: |
| 931 | i2c_detach_client(data->lm75[0]); |
| 932 | ERROR_SC_2: |
Jesper Juhl | 6044ec8 | 2005-11-07 01:01:32 -0800 | [diff] [blame] | 933 | kfree(data->lm75[1]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | ERROR_SC_1: |
Jesper Juhl | 6044ec8 | 2005-11-07 01:01:32 -0800 | [diff] [blame] | 935 | kfree(data->lm75[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | ERROR_SC_0: |
| 937 | return err; |
| 938 | } |
| 939 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 940 | #define IN_UNIT_ATTRS(X) \ |
| 941 | &dev_attr_in##X##_input.attr, \ |
| 942 | &dev_attr_in##X##_min.attr, \ |
| 943 | &dev_attr_in##X##_max.attr |
| 944 | |
| 945 | #define FAN_UNIT_ATTRS(X) \ |
| 946 | &dev_attr_fan##X##_input.attr, \ |
| 947 | &dev_attr_fan##X##_min.attr, \ |
| 948 | &dev_attr_fan##X##_div.attr |
| 949 | |
| 950 | #define TEMP_UNIT_ATTRS(X) \ |
| 951 | &dev_attr_temp##X##_input.attr, \ |
| 952 | &dev_attr_temp##X##_max.attr, \ |
| 953 | &dev_attr_temp##X##_max_hyst.attr |
| 954 | |
| 955 | static struct attribute* w83781d_attributes[] = { |
| 956 | IN_UNIT_ATTRS(0), |
| 957 | IN_UNIT_ATTRS(2), |
| 958 | IN_UNIT_ATTRS(3), |
| 959 | IN_UNIT_ATTRS(4), |
| 960 | IN_UNIT_ATTRS(5), |
| 961 | IN_UNIT_ATTRS(6), |
| 962 | FAN_UNIT_ATTRS(1), |
| 963 | FAN_UNIT_ATTRS(2), |
| 964 | FAN_UNIT_ATTRS(3), |
| 965 | TEMP_UNIT_ATTRS(1), |
| 966 | TEMP_UNIT_ATTRS(2), |
| 967 | &dev_attr_cpu0_vid.attr, |
| 968 | &dev_attr_vrm.attr, |
| 969 | &dev_attr_alarms.attr, |
| 970 | &dev_attr_beep_mask.attr, |
| 971 | &dev_attr_beep_enable.attr, |
| 972 | NULL |
| 973 | }; |
| 974 | static const struct attribute_group w83781d_group = { |
| 975 | .attrs = w83781d_attributes, |
| 976 | }; |
| 977 | |
| 978 | static struct attribute *w83781d_attributes_opt[] = { |
| 979 | IN_UNIT_ATTRS(1), |
| 980 | IN_UNIT_ATTRS(7), |
| 981 | IN_UNIT_ATTRS(8), |
| 982 | TEMP_UNIT_ATTRS(3), |
| 983 | &dev_attr_pwm1.attr, |
| 984 | &dev_attr_pwm2.attr, |
| 985 | &dev_attr_pwm2_enable.attr, |
| 986 | &dev_attr_pwm3.attr, |
| 987 | &dev_attr_pwm4.attr, |
| 988 | &dev_attr_temp1_type.attr, |
| 989 | &dev_attr_temp2_type.attr, |
| 990 | &dev_attr_temp3_type.attr, |
| 991 | NULL |
| 992 | }; |
| 993 | static const struct attribute_group w83781d_group_opt = { |
| 994 | .attrs = w83781d_attributes_opt, |
| 995 | }; |
| 996 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | static int |
| 998 | w83781d_detect(struct i2c_adapter *adapter, int address, int kind) |
| 999 | { |
| 1000 | int i = 0, val1 = 0, val2; |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1001 | struct i2c_client *client; |
| 1002 | struct device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | struct w83781d_data *data; |
| 1004 | int err; |
| 1005 | const char *client_name = ""; |
| 1006 | int is_isa = i2c_is_isa_adapter(adapter); |
| 1007 | enum vendor { winbond, asus } vendid; |
| 1008 | |
| 1009 | if (!is_isa |
| 1010 | && !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { |
| 1011 | err = -EINVAL; |
| 1012 | goto ERROR0; |
| 1013 | } |
| 1014 | |
| 1015 | /* Prevent users from forcing a kind for a bus it isn't supposed |
| 1016 | to possibly be on */ |
| 1017 | if (is_isa && (kind == as99127f || kind == w83783s)) { |
| 1018 | dev_err(&adapter->dev, |
| 1019 | "Cannot force I2C-only chip for ISA address 0x%02x.\n", |
| 1020 | address); |
| 1021 | err = -EINVAL; |
| 1022 | goto ERROR0; |
| 1023 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1024 | |
| 1025 | if (is_isa) |
| 1026 | if (!request_region(address, W83781D_EXTENT, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1027 | w83781d_isa_driver.driver.name)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1028 | dev_dbg(&adapter->dev, "Request of region " |
| 1029 | "0x%x-0x%x for w83781d failed\n", address, |
| 1030 | address + W83781D_EXTENT - 1); |
| 1031 | err = -EBUSY; |
| 1032 | goto ERROR0; |
| 1033 | } |
| 1034 | |
| 1035 | /* Probe whether there is anything available on this address. Already |
| 1036 | done for SMBus clients */ |
| 1037 | if (kind < 0) { |
| 1038 | if (is_isa) { |
| 1039 | |
| 1040 | #define REALLY_SLOW_IO |
| 1041 | /* We need the timeouts for at least some LM78-like |
| 1042 | chips. But only if we read 'undefined' registers. */ |
| 1043 | i = inb_p(address + 1); |
| 1044 | if (inb_p(address + 2) != i |
| 1045 | || inb_p(address + 3) != i |
| 1046 | || inb_p(address + 7) != i) { |
| 1047 | dev_dbg(&adapter->dev, "Detection of w83781d " |
| 1048 | "chip failed at step 1\n"); |
| 1049 | err = -ENODEV; |
| 1050 | goto ERROR1; |
| 1051 | } |
| 1052 | #undef REALLY_SLOW_IO |
| 1053 | |
| 1054 | /* Let's just hope nothing breaks here */ |
| 1055 | i = inb_p(address + 5) & 0x7f; |
| 1056 | outb_p(~i & 0x7f, address + 5); |
| 1057 | val2 = inb_p(address + 5) & 0x7f; |
| 1058 | if (val2 != (~i & 0x7f)) { |
| 1059 | outb_p(i, address + 5); |
| 1060 | dev_dbg(&adapter->dev, "Detection of w83781d " |
| 1061 | "chip failed at step 2 (0x%x != " |
| 1062 | "0x%x at 0x%x)\n", val2, ~i & 0x7f, |
| 1063 | address + 5); |
| 1064 | err = -ENODEV; |
| 1065 | goto ERROR1; |
| 1066 | } |
| 1067 | } |
| 1068 | } |
| 1069 | |
| 1070 | /* OK. For now, we presume we have a valid client. We now create the |
| 1071 | client structure, even though we cannot fill it completely yet. |
| 1072 | But it allows us to access w83781d_{read,write}_value. */ |
| 1073 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1074 | if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1075 | err = -ENOMEM; |
| 1076 | goto ERROR1; |
| 1077 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1079 | client = &data->client; |
| 1080 | i2c_set_clientdata(client, data); |
| 1081 | client->addr = address; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1082 | mutex_init(&data->lock); |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1083 | client->adapter = adapter; |
| 1084 | client->driver = is_isa ? &w83781d_isa_driver : &w83781d_driver; |
| 1085 | client->flags = 0; |
| 1086 | dev = &client->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1087 | |
| 1088 | /* Now, we do the remaining detection. */ |
| 1089 | |
| 1090 | /* The w8378?d may be stuck in some other bank than bank 0. This may |
| 1091 | make reading other information impossible. Specify a force=... or |
| 1092 | force_*=... parameter, and the Winbond will be reset to the right |
| 1093 | bank. */ |
| 1094 | if (kind < 0) { |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1095 | if (w83781d_read_value(client, W83781D_REG_CONFIG) & 0x80) { |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1096 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
| 1097 | "failed at step 3\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | err = -ENODEV; |
| 1099 | goto ERROR2; |
| 1100 | } |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1101 | val1 = w83781d_read_value(client, W83781D_REG_BANK); |
| 1102 | val2 = w83781d_read_value(client, W83781D_REG_CHIPMAN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1103 | /* Check for Winbond or Asus ID if in bank 0 */ |
| 1104 | if ((!(val1 & 0x07)) && |
| 1105 | (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3)) |
| 1106 | || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) { |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1107 | dev_dbg(&adapter->dev, "Detection of w83781d chip " |
| 1108 | "failed at step 4\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | err = -ENODEV; |
| 1110 | goto ERROR2; |
| 1111 | } |
| 1112 | /* If Winbond SMBus, check address at 0x48. |
| 1113 | Asus doesn't support, except for as99127f rev.2 */ |
| 1114 | if ((!is_isa) && (((!(val1 & 0x80)) && (val2 == 0xa3)) || |
| 1115 | ((val1 & 0x80) && (val2 == 0x5c)))) { |
| 1116 | if (w83781d_read_value |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1117 | (client, W83781D_REG_I2C_ADDR) != address) { |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1118 | dev_dbg(&adapter->dev, "Detection of w83781d " |
| 1119 | "chip failed at step 5\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | err = -ENODEV; |
| 1121 | goto ERROR2; |
| 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | /* We have either had a force parameter, or we have already detected the |
| 1127 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1128 | w83781d_write_value(client, W83781D_REG_BANK, |
| 1129 | (w83781d_read_value(client, W83781D_REG_BANK) |
| 1130 | & 0x78) | 0x80); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | |
| 1132 | /* Determine the chip type. */ |
| 1133 | if (kind <= 0) { |
| 1134 | /* get vendor ID */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1135 | val2 = w83781d_read_value(client, W83781D_REG_CHIPMAN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | if (val2 == 0x5c) |
| 1137 | vendid = winbond; |
| 1138 | else if (val2 == 0x12) |
| 1139 | vendid = asus; |
| 1140 | else { |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1141 | dev_dbg(&adapter->dev, "w83781d chip vendor is " |
| 1142 | "neither Winbond nor Asus\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | err = -ENODEV; |
| 1144 | goto ERROR2; |
| 1145 | } |
| 1146 | |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1147 | val1 = w83781d_read_value(client, W83781D_REG_WCHIPID); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond) |
| 1149 | kind = w83781d; |
| 1150 | else if (val1 == 0x30 && vendid == winbond) |
| 1151 | kind = w83782d; |
| 1152 | else if (val1 == 0x40 && vendid == winbond && !is_isa |
| 1153 | && address == 0x2d) |
| 1154 | kind = w83783s; |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1155 | else if (val1 == 0x21 && vendid == winbond) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | kind = w83627hf; |
| 1157 | else if (val1 == 0x31 && !is_isa && address >= 0x28) |
| 1158 | kind = as99127f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | else { |
| 1160 | if (kind == 0) |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1161 | dev_warn(&adapter->dev, "Ignoring 'force' " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1162 | "parameter for unknown chip at " |
Jean Delvare | bd452e6 | 2006-10-13 17:03:42 +0200 | [diff] [blame] | 1163 | "address 0x%02x\n", address); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | err = -EINVAL; |
| 1165 | goto ERROR2; |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | if (kind == w83781d) { |
| 1170 | client_name = "w83781d"; |
| 1171 | } else if (kind == w83782d) { |
| 1172 | client_name = "w83782d"; |
| 1173 | } else if (kind == w83783s) { |
| 1174 | client_name = "w83783s"; |
| 1175 | } else if (kind == w83627hf) { |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1176 | client_name = "w83627hf"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | } else if (kind == as99127f) { |
| 1178 | client_name = "as99127f"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | /* Fill in the remaining client fields and put into the global list */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1182 | strlcpy(client->name, client_name, I2C_NAME_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | data->type = kind; |
| 1184 | |
| 1185 | data->valid = 0; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1186 | mutex_init(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1187 | |
| 1188 | /* Tell the I2C layer a new client has arrived */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1189 | if ((err = i2c_attach_client(client))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1190 | goto ERROR2; |
| 1191 | |
| 1192 | /* attach secondary i2c lm75-like clients */ |
| 1193 | if (!is_isa) { |
| 1194 | if ((err = w83781d_detect_subclients(adapter, address, |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1195 | kind, client))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1196 | goto ERROR3; |
| 1197 | } else { |
| 1198 | data->lm75[0] = NULL; |
| 1199 | data->lm75[1] = NULL; |
| 1200 | } |
| 1201 | |
| 1202 | /* Initialize the chip */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1203 | w83781d_init_client(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1204 | |
| 1205 | /* A few vars need to be filled upon startup */ |
| 1206 | for (i = 1; i <= 3; i++) { |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1207 | data->fan_min[i - 1] = w83781d_read_value(client, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1208 | W83781D_REG_FAN_MIN(i)); |
| 1209 | } |
| 1210 | if (kind != w83781d && kind != as99127f) |
| 1211 | for (i = 0; i < 4; i++) |
| 1212 | data->pwmenable[i] = 1; |
| 1213 | |
| 1214 | /* Register sysfs hooks */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1215 | if ((err = sysfs_create_group(&dev->kobj, &w83781d_group))) |
| 1216 | goto ERROR4; |
| 1217 | |
| 1218 | if (kind != w83783s) { |
| 1219 | if ((err = device_create_file(dev, &dev_attr_in1_input)) |
| 1220 | || (err = device_create_file(dev, &dev_attr_in1_min)) |
| 1221 | || (err = device_create_file(dev, &dev_attr_in1_max))) |
| 1222 | goto ERROR4; |
| 1223 | } |
| 1224 | if (kind != as99127f && kind != w83781d && kind != w83783s) { |
| 1225 | if ((err = device_create_file(dev, &dev_attr_in7_input)) |
| 1226 | || (err = device_create_file(dev, &dev_attr_in7_min)) |
| 1227 | || (err = device_create_file(dev, &dev_attr_in7_max)) |
| 1228 | || (err = device_create_file(dev, &dev_attr_in8_input)) |
| 1229 | || (err = device_create_file(dev, &dev_attr_in8_min)) |
| 1230 | || (err = device_create_file(dev, &dev_attr_in8_max))) |
| 1231 | goto ERROR4; |
| 1232 | } |
| 1233 | if (kind != w83783s) { |
| 1234 | if ((err = device_create_file(dev, &dev_attr_temp3_input)) |
| 1235 | || (err = device_create_file(dev, &dev_attr_temp3_max)) |
| 1236 | || (err = device_create_file(dev, |
| 1237 | &dev_attr_temp3_max_hyst))) |
| 1238 | goto ERROR4; |
| 1239 | } |
| 1240 | |
| 1241 | if (kind != w83781d && kind != as99127f) { |
| 1242 | if ((err = device_create_file(dev, &dev_attr_pwm1)) |
| 1243 | || (err = device_create_file(dev, &dev_attr_pwm2)) |
| 1244 | || (err = device_create_file(dev, &dev_attr_pwm2_enable))) |
| 1245 | goto ERROR4; |
| 1246 | } |
| 1247 | if (kind == w83782d && !is_isa) { |
| 1248 | if ((err = device_create_file(dev, &dev_attr_pwm3)) |
| 1249 | || (err = device_create_file(dev, &dev_attr_pwm4))) |
| 1250 | goto ERROR4; |
| 1251 | } |
| 1252 | |
| 1253 | if (kind != as99127f && kind != w83781d) { |
| 1254 | if ((err = device_create_file(dev, &dev_attr_temp1_type)) |
| 1255 | || (err = device_create_file(dev, |
| 1256 | &dev_attr_temp2_type))) |
| 1257 | goto ERROR4; |
| 1258 | if (kind != w83783s) { |
| 1259 | if ((err = device_create_file(dev, |
| 1260 | &dev_attr_temp3_type))) |
| 1261 | goto ERROR4; |
| 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | data->class_dev = hwmon_device_register(dev); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1266 | if (IS_ERR(data->class_dev)) { |
| 1267 | err = PTR_ERR(data->class_dev); |
| 1268 | goto ERROR4; |
| 1269 | } |
| 1270 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1271 | return 0; |
| 1272 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1273 | ERROR4: |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1274 | sysfs_remove_group(&dev->kobj, &w83781d_group); |
| 1275 | sysfs_remove_group(&dev->kobj, &w83781d_group_opt); |
| 1276 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1277 | if (data->lm75[1]) { |
| 1278 | i2c_detach_client(data->lm75[1]); |
| 1279 | kfree(data->lm75[1]); |
| 1280 | } |
| 1281 | if (data->lm75[0]) { |
| 1282 | i2c_detach_client(data->lm75[0]); |
| 1283 | kfree(data->lm75[0]); |
| 1284 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | ERROR3: |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1286 | i2c_detach_client(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1287 | ERROR2: |
| 1288 | kfree(data); |
| 1289 | ERROR1: |
| 1290 | if (is_isa) |
| 1291 | release_region(address, W83781D_EXTENT); |
| 1292 | ERROR0: |
| 1293 | return err; |
| 1294 | } |
| 1295 | |
| 1296 | static int |
| 1297 | w83781d_detach_client(struct i2c_client *client) |
| 1298 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1299 | struct w83781d_data *data = i2c_get_clientdata(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | int err; |
| 1301 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1302 | /* main client */ |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1303 | if (data) { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1304 | hwmon_device_unregister(data->class_dev); |
Jim Cromie | 311ce2e | 2006-09-24 21:22:52 +0200 | [diff] [blame] | 1305 | sysfs_remove_group(&client->dev.kobj, &w83781d_group); |
| 1306 | sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt); |
| 1307 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1308 | if (i2c_is_isa_client(client)) |
| 1309 | release_region(client->addr, W83781D_EXTENT); |
| 1310 | |
Jean Delvare | 7bef559 | 2005-07-27 22:14:49 +0200 | [diff] [blame] | 1311 | if ((err = i2c_detach_client(client))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1312 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1313 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1314 | /* main client */ |
| 1315 | if (data) |
| 1316 | kfree(data); |
| 1317 | |
| 1318 | /* subclient */ |
| 1319 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | kfree(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1321 | |
| 1322 | return 0; |
| 1323 | } |
| 1324 | |
| 1325 | /* The SMBus locks itself, usually, but nothing may access the Winbond between |
| 1326 | bank switches. ISA access must always be locked explicitly! |
| 1327 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, |
| 1328 | would slow down the W83781D access and should not be necessary. |
| 1329 | There are some ugly typecasts here, but the good news is - they should |
| 1330 | nowhere else be necessary! */ |
| 1331 | static int |
| 1332 | w83781d_read_value(struct i2c_client *client, u16 reg) |
| 1333 | { |
| 1334 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 1335 | int res, word_sized, bank; |
| 1336 | struct i2c_client *cl; |
| 1337 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1338 | mutex_lock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1339 | if (i2c_is_isa_client(client)) { |
| 1340 | word_sized = (((reg & 0xff00) == 0x100) |
| 1341 | || ((reg & 0xff00) == 0x200)) |
| 1342 | && (((reg & 0x00ff) == 0x50) |
| 1343 | || ((reg & 0x00ff) == 0x53) |
| 1344 | || ((reg & 0x00ff) == 0x55)); |
| 1345 | if (reg & 0xff00) { |
| 1346 | outb_p(W83781D_REG_BANK, |
| 1347 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1348 | outb_p(reg >> 8, |
| 1349 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1350 | } |
| 1351 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1352 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); |
| 1353 | if (word_sized) { |
| 1354 | outb_p((reg & 0xff) + 1, |
| 1355 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1356 | res = |
| 1357 | (res << 8) + inb_p(client->addr + |
| 1358 | W83781D_DATA_REG_OFFSET); |
| 1359 | } |
| 1360 | if (reg & 0xff00) { |
| 1361 | outb_p(W83781D_REG_BANK, |
| 1362 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1363 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1364 | } |
| 1365 | } else { |
| 1366 | bank = (reg >> 8) & 0x0f; |
| 1367 | if (bank > 2) |
| 1368 | /* switch banks */ |
| 1369 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, |
| 1370 | bank); |
| 1371 | if (bank == 0 || bank > 2) { |
| 1372 | res = i2c_smbus_read_byte_data(client, reg & 0xff); |
| 1373 | } else { |
| 1374 | /* switch to subclient */ |
| 1375 | cl = data->lm75[bank - 1]; |
| 1376 | /* convert from ISA to LM75 I2C addresses */ |
| 1377 | switch (reg & 0xff) { |
| 1378 | case 0x50: /* TEMP */ |
| 1379 | res = swab16(i2c_smbus_read_word_data(cl, 0)); |
| 1380 | break; |
| 1381 | case 0x52: /* CONFIG */ |
| 1382 | res = i2c_smbus_read_byte_data(cl, 1); |
| 1383 | break; |
| 1384 | case 0x53: /* HYST */ |
| 1385 | res = swab16(i2c_smbus_read_word_data(cl, 2)); |
| 1386 | break; |
| 1387 | case 0x55: /* OVER */ |
| 1388 | default: |
| 1389 | res = swab16(i2c_smbus_read_word_data(cl, 3)); |
| 1390 | break; |
| 1391 | } |
| 1392 | } |
| 1393 | if (bank > 2) |
| 1394 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); |
| 1395 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1396 | mutex_unlock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1397 | return res; |
| 1398 | } |
| 1399 | |
| 1400 | static int |
| 1401 | w83781d_write_value(struct i2c_client *client, u16 reg, u16 value) |
| 1402 | { |
| 1403 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 1404 | int word_sized, bank; |
| 1405 | struct i2c_client *cl; |
| 1406 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1407 | mutex_lock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | if (i2c_is_isa_client(client)) { |
| 1409 | word_sized = (((reg & 0xff00) == 0x100) |
| 1410 | || ((reg & 0xff00) == 0x200)) |
| 1411 | && (((reg & 0x00ff) == 0x53) |
| 1412 | || ((reg & 0x00ff) == 0x55)); |
| 1413 | if (reg & 0xff00) { |
| 1414 | outb_p(W83781D_REG_BANK, |
| 1415 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1416 | outb_p(reg >> 8, |
| 1417 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1418 | } |
| 1419 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1420 | if (word_sized) { |
| 1421 | outb_p(value >> 8, |
| 1422 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1423 | outb_p((reg & 0xff) + 1, |
| 1424 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1425 | } |
| 1426 | outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET); |
| 1427 | if (reg & 0xff00) { |
| 1428 | outb_p(W83781D_REG_BANK, |
| 1429 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1430 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1431 | } |
| 1432 | } else { |
| 1433 | bank = (reg >> 8) & 0x0f; |
| 1434 | if (bank > 2) |
| 1435 | /* switch banks */ |
| 1436 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, |
| 1437 | bank); |
| 1438 | if (bank == 0 || bank > 2) { |
| 1439 | i2c_smbus_write_byte_data(client, reg & 0xff, |
| 1440 | value & 0xff); |
| 1441 | } else { |
| 1442 | /* switch to subclient */ |
| 1443 | cl = data->lm75[bank - 1]; |
| 1444 | /* convert from ISA to LM75 I2C addresses */ |
| 1445 | switch (reg & 0xff) { |
| 1446 | case 0x52: /* CONFIG */ |
| 1447 | i2c_smbus_write_byte_data(cl, 1, value & 0xff); |
| 1448 | break; |
| 1449 | case 0x53: /* HYST */ |
| 1450 | i2c_smbus_write_word_data(cl, 2, swab16(value)); |
| 1451 | break; |
| 1452 | case 0x55: /* OVER */ |
| 1453 | i2c_smbus_write_word_data(cl, 3, swab16(value)); |
| 1454 | break; |
| 1455 | } |
| 1456 | } |
| 1457 | if (bank > 2) |
| 1458 | i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0); |
| 1459 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1460 | mutex_unlock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1461 | return 0; |
| 1462 | } |
| 1463 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1464 | static void |
| 1465 | w83781d_init_client(struct i2c_client *client) |
| 1466 | { |
| 1467 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 1468 | int i, p; |
| 1469 | int type = data->type; |
| 1470 | u8 tmp; |
| 1471 | |
Jean Delvare | fabddcd | 2006-02-05 23:26:51 +0100 | [diff] [blame] | 1472 | if (reset && type != as99127f) { /* this resets registers we don't have |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1473 | documentation for on the as99127f */ |
Jean Delvare | fabddcd | 2006-02-05 23:26:51 +0100 | [diff] [blame] | 1474 | /* Resetting the chip has been the default for a long time, |
| 1475 | but it causes the BIOS initializations (fan clock dividers, |
| 1476 | thermal sensor types...) to be lost, so it is now optional. |
| 1477 | It might even go away if nobody reports it as being useful, |
| 1478 | as I see very little reason why this would be needed at |
| 1479 | all. */ |
| 1480 | dev_info(&client->dev, "If reset=1 solved a problem you were " |
| 1481 | "having, please report!\n"); |
| 1482 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1483 | /* save these registers */ |
| 1484 | i = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG); |
| 1485 | p = w83781d_read_value(client, W83781D_REG_PWMCLK12); |
| 1486 | /* Reset all except Watchdog values and last conversion values |
| 1487 | This sets fan-divs to 2, among others */ |
| 1488 | w83781d_write_value(client, W83781D_REG_CONFIG, 0x80); |
| 1489 | /* Restore the registers and disable power-on abnormal beep. |
| 1490 | This saves FAN 1/2/3 input/output values set by BIOS. */ |
| 1491 | w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); |
| 1492 | w83781d_write_value(client, W83781D_REG_PWMCLK12, p); |
| 1493 | /* Disable master beep-enable (reset turns it on). |
| 1494 | Individual beep_mask should be reset to off but for some reason |
| 1495 | disabling this bit helps some people not get beeped */ |
| 1496 | w83781d_write_value(client, W83781D_REG_BEEP_INTS2, 0); |
| 1497 | } |
| 1498 | |
Jean Delvare | fabddcd | 2006-02-05 23:26:51 +0100 | [diff] [blame] | 1499 | /* Disable power-on abnormal beep, as advised by the datasheet. |
| 1500 | Already done if reset=1. */ |
| 1501 | if (init && !reset && type != as99127f) { |
| 1502 | i = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG); |
| 1503 | w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); |
| 1504 | } |
| 1505 | |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 1506 | data->vrm = vid_which_vrm(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1507 | |
| 1508 | if ((type != w83781d) && (type != as99127f)) { |
| 1509 | tmp = w83781d_read_value(client, W83781D_REG_SCFG1); |
| 1510 | for (i = 1; i <= 3; i++) { |
| 1511 | if (!(tmp & BIT_SCFG1[i - 1])) { |
| 1512 | data->sens[i - 1] = W83781D_DEFAULT_BETA; |
| 1513 | } else { |
| 1514 | if (w83781d_read_value |
| 1515 | (client, |
| 1516 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
| 1517 | data->sens[i - 1] = 1; |
| 1518 | else |
| 1519 | data->sens[i - 1] = 2; |
| 1520 | } |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1521 | if (type == w83783s && i == 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1522 | break; |
| 1523 | } |
| 1524 | } |
| 1525 | |
| 1526 | if (init && type != as99127f) { |
| 1527 | /* Enable temp2 */ |
| 1528 | tmp = w83781d_read_value(client, W83781D_REG_TEMP2_CONFIG); |
| 1529 | if (tmp & 0x01) { |
| 1530 | dev_warn(&client->dev, "Enabling temp2, readings " |
| 1531 | "might not make sense\n"); |
| 1532 | w83781d_write_value(client, W83781D_REG_TEMP2_CONFIG, |
| 1533 | tmp & 0xfe); |
| 1534 | } |
| 1535 | |
| 1536 | /* Enable temp3 */ |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1537 | if (type != w83783s) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1538 | tmp = w83781d_read_value(client, |
| 1539 | W83781D_REG_TEMP3_CONFIG); |
| 1540 | if (tmp & 0x01) { |
| 1541 | dev_warn(&client->dev, "Enabling temp3, " |
| 1542 | "readings might not make sense\n"); |
| 1543 | w83781d_write_value(client, |
| 1544 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); |
| 1545 | } |
| 1546 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1547 | } |
| 1548 | |
| 1549 | /* Start monitoring */ |
| 1550 | w83781d_write_value(client, W83781D_REG_CONFIG, |
| 1551 | (w83781d_read_value(client, |
| 1552 | W83781D_REG_CONFIG) & 0xf7) |
| 1553 | | 0x01); |
| 1554 | } |
| 1555 | |
| 1556 | static struct w83781d_data *w83781d_update_device(struct device *dev) |
| 1557 | { |
| 1558 | struct i2c_client *client = to_i2c_client(dev); |
| 1559 | struct w83781d_data *data = i2c_get_clientdata(client); |
| 1560 | int i; |
| 1561 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1562 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1563 | |
| 1564 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
| 1565 | || !data->valid) { |
| 1566 | dev_dbg(dev, "Starting device update\n"); |
| 1567 | |
| 1568 | for (i = 0; i <= 8; i++) { |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1569 | if (data->type == w83783s && i == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1570 | continue; /* 783S has no in1 */ |
| 1571 | data->in[i] = |
| 1572 | w83781d_read_value(client, W83781D_REG_IN(i)); |
| 1573 | data->in_min[i] = |
| 1574 | w83781d_read_value(client, W83781D_REG_IN_MIN(i)); |
| 1575 | data->in_max[i] = |
| 1576 | w83781d_read_value(client, W83781D_REG_IN_MAX(i)); |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1577 | if ((data->type != w83782d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1578 | && (data->type != w83627hf) && (i == 6)) |
| 1579 | break; |
| 1580 | } |
| 1581 | for (i = 1; i <= 3; i++) { |
| 1582 | data->fan[i - 1] = |
| 1583 | w83781d_read_value(client, W83781D_REG_FAN(i)); |
| 1584 | data->fan_min[i - 1] = |
| 1585 | w83781d_read_value(client, W83781D_REG_FAN_MIN(i)); |
| 1586 | } |
| 1587 | if (data->type != w83781d && data->type != as99127f) { |
| 1588 | for (i = 1; i <= 4; i++) { |
| 1589 | data->pwm[i - 1] = |
| 1590 | w83781d_read_value(client, |
| 1591 | W83781D_REG_PWM(i)); |
| 1592 | if ((data->type != w83782d |
| 1593 | || i2c_is_isa_client(client)) |
| 1594 | && i == 2) |
| 1595 | break; |
| 1596 | } |
| 1597 | /* Only PWM2 can be disabled */ |
| 1598 | data->pwmenable[1] = (w83781d_read_value(client, |
| 1599 | W83781D_REG_PWMCLK12) & 0x08) >> 3; |
| 1600 | } |
| 1601 | |
| 1602 | data->temp = w83781d_read_value(client, W83781D_REG_TEMP(1)); |
| 1603 | data->temp_max = |
| 1604 | w83781d_read_value(client, W83781D_REG_TEMP_OVER(1)); |
| 1605 | data->temp_max_hyst = |
| 1606 | w83781d_read_value(client, W83781D_REG_TEMP_HYST(1)); |
| 1607 | data->temp_add[0] = |
| 1608 | w83781d_read_value(client, W83781D_REG_TEMP(2)); |
| 1609 | data->temp_max_add[0] = |
| 1610 | w83781d_read_value(client, W83781D_REG_TEMP_OVER(2)); |
| 1611 | data->temp_max_hyst_add[0] = |
| 1612 | w83781d_read_value(client, W83781D_REG_TEMP_HYST(2)); |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1613 | if (data->type != w83783s) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | data->temp_add[1] = |
| 1615 | w83781d_read_value(client, W83781D_REG_TEMP(3)); |
| 1616 | data->temp_max_add[1] = |
| 1617 | w83781d_read_value(client, |
| 1618 | W83781D_REG_TEMP_OVER(3)); |
| 1619 | data->temp_max_hyst_add[1] = |
| 1620 | w83781d_read_value(client, |
| 1621 | W83781D_REG_TEMP_HYST(3)); |
| 1622 | } |
| 1623 | i = w83781d_read_value(client, W83781D_REG_VID_FANDIV); |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1624 | data->vid = i & 0x0f; |
| 1625 | data->vid |= (w83781d_read_value(client, |
| 1626 | W83781D_REG_CHIPID) & 0x01) << 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1627 | data->fan_div[0] = (i >> 4) & 0x03; |
| 1628 | data->fan_div[1] = (i >> 6) & 0x03; |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1629 | data->fan_div[2] = (w83781d_read_value(client, |
| 1630 | W83781D_REG_PIN) >> 6) & 0x03; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1631 | if ((data->type != w83781d) && (data->type != as99127f)) { |
| 1632 | i = w83781d_read_value(client, W83781D_REG_VBAT); |
| 1633 | data->fan_div[0] |= (i >> 3) & 0x04; |
| 1634 | data->fan_div[1] |= (i >> 4) & 0x04; |
Jean Delvare | 7c7a530 | 2005-06-16 19:24:14 +0200 | [diff] [blame] | 1635 | data->fan_div[2] |= (i >> 5) & 0x04; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1636 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1637 | if ((data->type == w83782d) || (data->type == w83627hf)) { |
Jean Delvare | c7f5d7e | 2006-02-05 23:13:48 +0100 | [diff] [blame] | 1638 | data->alarms = w83781d_read_value(client, |
| 1639 | W83782D_REG_ALARM1) |
| 1640 | | (w83781d_read_value(client, |
| 1641 | W83782D_REG_ALARM2) << 8) |
| 1642 | | (w83781d_read_value(client, |
| 1643 | W83782D_REG_ALARM3) << 16); |
| 1644 | } else if (data->type == w83783s) { |
| 1645 | data->alarms = w83781d_read_value(client, |
| 1646 | W83782D_REG_ALARM1) |
| 1647 | | (w83781d_read_value(client, |
| 1648 | W83782D_REG_ALARM2) << 8); |
| 1649 | } else { |
| 1650 | /* No real-time status registers, fall back to |
| 1651 | interrupt status registers */ |
| 1652 | data->alarms = w83781d_read_value(client, |
| 1653 | W83781D_REG_ALARM1) |
| 1654 | | (w83781d_read_value(client, |
| 1655 | W83781D_REG_ALARM2) << 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1656 | } |
| 1657 | i = w83781d_read_value(client, W83781D_REG_BEEP_INTS2); |
| 1658 | data->beep_enable = i >> 7; |
| 1659 | data->beep_mask = ((i & 0x7f) << 8) + |
| 1660 | w83781d_read_value(client, W83781D_REG_BEEP_INTS1); |
| 1661 | if ((data->type != w83781d) && (data->type != as99127f)) { |
| 1662 | data->beep_mask |= |
| 1663 | w83781d_read_value(client, |
| 1664 | W83781D_REG_BEEP_INTS3) << 16; |
| 1665 | } |
| 1666 | data->last_updated = jiffies; |
| 1667 | data->valid = 1; |
| 1668 | } |
| 1669 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1670 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1671 | |
| 1672 | return data; |
| 1673 | } |
| 1674 | |
| 1675 | static int __init |
| 1676 | sensors_w83781d_init(void) |
| 1677 | { |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1678 | int res; |
| 1679 | |
| 1680 | res = i2c_add_driver(&w83781d_driver); |
| 1681 | if (res) |
| 1682 | return res; |
| 1683 | |
Jean Delvare | e693810 | 2006-10-13 16:56:28 +0200 | [diff] [blame] | 1684 | /* Don't exit if this one fails, we still want the I2C variants |
| 1685 | to work! */ |
| 1686 | if (i2c_isa_add_driver(&w83781d_isa_driver)) |
| 1687 | isa_address = 0; |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1688 | |
| 1689 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | } |
| 1691 | |
| 1692 | static void __exit |
| 1693 | sensors_w83781d_exit(void) |
| 1694 | { |
Jean Delvare | e693810 | 2006-10-13 16:56:28 +0200 | [diff] [blame] | 1695 | if (isa_address) |
| 1696 | i2c_isa_del_driver(&w83781d_isa_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1697 | i2c_del_driver(&w83781d_driver); |
| 1698 | } |
| 1699 | |
| 1700 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " |
| 1701 | "Philip Edelbrock <phil@netroedge.com>, " |
| 1702 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); |
| 1703 | MODULE_DESCRIPTION("W83781D driver"); |
| 1704 | MODULE_LICENSE("GPL"); |
| 1705 | |
| 1706 | module_init(sensors_w83781d_init); |
| 1707 | module_exit(sensors_w83781d_exit); |