Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | w83627ehf - Driver for the hardware monitoring functionality of |
| 3 | the Winbond W83627EHF Super-I/O chip |
| 4 | Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> |
Jean Delvare | 3379cee | 2006-09-24 21:25:52 +0200 | [diff] [blame] | 5 | Copyright (C) 2006 Yuan Mu (Winbond), |
Jean Delvare | 7188cc6 | 2006-12-12 18:18:30 +0100 | [diff] [blame] | 6 | Rudolf Marek <r.marek@assembler.cz> |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 7 | David Hubbard <david.c.hubbard@gmail.com> |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 8 | Daniel J Blueman <daniel.blueman@gmail.com> |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 9 | |
| 10 | Shamelessly ripped from the w83627hf driver |
| 11 | Copyright (C) 2003 Mark Studebaker |
| 12 | |
| 13 | Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help |
| 14 | in testing and debugging this driver. |
| 15 | |
Jean Delvare | 8dd2d2c | 2005-07-27 21:33:15 +0200 | [diff] [blame] | 16 | This driver also supports the W83627EHG, which is the lead-free |
| 17 | version of the W83627EHF. |
| 18 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 19 | This program is free software; you can redistribute it and/or modify |
| 20 | it under the terms of the GNU General Public License as published by |
| 21 | the Free Software Foundation; either version 2 of the License, or |
| 22 | (at your option) any later version. |
| 23 | |
| 24 | This program is distributed in the hope that it will be useful, |
| 25 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 26 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 27 | GNU General Public License for more details. |
| 28 | |
| 29 | You should have received a copy of the GNU General Public License |
| 30 | along with this program; if not, write to the Free Software |
| 31 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 32 | |
| 33 | |
| 34 | Supports the following chips: |
| 35 | |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 36 | Chip #vin #fan #pwm #temp chip IDs man ID |
| 37 | w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3 |
| 38 | 0x8860 0xa1 |
| 39 | w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3 |
Jean Delvare | c1e48dc | 2009-06-15 18:39:50 +0200 | [diff] [blame] | 40 | w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3 |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 41 | w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3 |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 42 | w83667hg-b 9 5 3 3 0xb350 0xc1 0x5ca3 |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 43 | */ |
| 44 | |
| 45 | #include <linux/module.h> |
| 46 | #include <linux/init.h> |
| 47 | #include <linux/slab.h> |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 48 | #include <linux/jiffies.h> |
| 49 | #include <linux/platform_device.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 50 | #include <linux/hwmon.h> |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 51 | #include <linux/hwmon-sysfs.h> |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 52 | #include <linux/hwmon-vid.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 53 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 54 | #include <linux/mutex.h> |
Jean Delvare | b9acb64 | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 55 | #include <linux/acpi.h> |
H Hartley Sweeten | 6055fae | 2009-09-15 17:18:13 +0200 | [diff] [blame] | 56 | #include <linux/io.h> |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 57 | #include "lm75.h" |
| 58 | |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 59 | enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b }; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 60 | |
| 61 | /* used to set data->name = w83627ehf_device_names[data->sio_kind] */ |
| 62 | static const char * w83627ehf_device_names[] = { |
| 63 | "w83627ehf", |
| 64 | "w83627dhg", |
Jean Delvare | c1e48dc | 2009-06-15 18:39:50 +0200 | [diff] [blame] | 65 | "w83627dhg", |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 66 | "w83667hg", |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 67 | "w83667hg", |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 68 | }; |
| 69 | |
Jean Delvare | 67b671b | 2007-12-06 23:13:42 +0100 | [diff] [blame] | 70 | static unsigned short force_id; |
| 71 | module_param(force_id, ushort, 0); |
| 72 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
| 73 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 74 | #define DRVNAME "w83627ehf" |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 75 | |
| 76 | /* |
| 77 | * Super-I/O constants and functions |
| 78 | */ |
| 79 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 80 | #define W83627EHF_LD_HWM 0x0b |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 81 | #define W83667HG_LD_VID 0x0d |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 82 | |
| 83 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
| 84 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 85 | #define SIO_REG_EN_VRM10 0x2C /* GPIO3, GPIO4 selection */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 86 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
| 87 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 88 | #define SIO_REG_VID_CTRL 0xF0 /* VID control */ |
| 89 | #define SIO_REG_VID_DATA 0xF1 /* VID data */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 90 | |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 91 | #define SIO_W83627EHF_ID 0x8850 |
| 92 | #define SIO_W83627EHG_ID 0x8860 |
| 93 | #define SIO_W83627DHG_ID 0xa020 |
Jean Delvare | c1e48dc | 2009-06-15 18:39:50 +0200 | [diff] [blame] | 94 | #define SIO_W83627DHG_P_ID 0xb070 |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 95 | #define SIO_W83667HG_ID 0xa510 |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 96 | #define SIO_W83667HG_B_ID 0xb350 |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 97 | #define SIO_ID_MASK 0xFFF0 |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 98 | |
| 99 | static inline void |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 100 | superio_outb(int ioreg, int reg, int val) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 101 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 102 | outb(reg, ioreg); |
| 103 | outb(val, ioreg + 1); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | static inline int |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 107 | superio_inb(int ioreg, int reg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 108 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 109 | outb(reg, ioreg); |
| 110 | return inb(ioreg + 1); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | static inline void |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 114 | superio_select(int ioreg, int ld) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 115 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 116 | outb(SIO_REG_LDSEL, ioreg); |
| 117 | outb(ld, ioreg + 1); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | static inline void |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 121 | superio_enter(int ioreg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 122 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 123 | outb(0x87, ioreg); |
| 124 | outb(0x87, ioreg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | static inline void |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 128 | superio_exit(int ioreg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 129 | { |
Jonas Jonsson | 022b75a | 2010-09-17 17:24:13 +0200 | [diff] [blame] | 130 | outb(0xaa, ioreg); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 131 | outb(0x02, ioreg); |
| 132 | outb(0x02, ioreg + 1); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 133 | } |
| 134 | |
| 135 | /* |
| 136 | * ISA constants |
| 137 | */ |
| 138 | |
Jean Delvare | 1a641fc | 2007-04-23 14:41:16 -0700 | [diff] [blame] | 139 | #define IOREGION_ALIGNMENT ~7 |
| 140 | #define IOREGION_OFFSET 5 |
| 141 | #define IOREGION_LENGTH 2 |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 142 | #define ADDR_REG_OFFSET 0 |
| 143 | #define DATA_REG_OFFSET 1 |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 144 | |
| 145 | #define W83627EHF_REG_BANK 0x4E |
| 146 | #define W83627EHF_REG_CONFIG 0x40 |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 147 | |
| 148 | /* Not currently used: |
| 149 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. |
| 150 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. |
| 151 | * REG_MAN_ID is at port 0x4f |
| 152 | * REG_CHIP_ID is at port 0x58 */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 153 | |
| 154 | static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; |
| 155 | static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; |
| 156 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 157 | /* The W83627EHF registers for nr=7,8,9 are in bank 5 */ |
| 158 | #define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
| 159 | (0x554 + (((nr) - 7) * 2))) |
| 160 | #define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
| 161 | (0x555 + (((nr) - 7) * 2))) |
| 162 | #define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
| 163 | (0x550 + (nr) - 7)) |
| 164 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 165 | #define W83627EHF_REG_TEMP1 0x27 |
| 166 | #define W83627EHF_REG_TEMP1_HYST 0x3a |
| 167 | #define W83627EHF_REG_TEMP1_OVER 0x39 |
| 168 | static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; |
| 169 | static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; |
| 170 | static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; |
| 171 | static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; |
| 172 | |
| 173 | /* Fan clock dividers are spread over the following five registers */ |
| 174 | #define W83627EHF_REG_FANDIV1 0x47 |
| 175 | #define W83627EHF_REG_FANDIV2 0x4B |
| 176 | #define W83627EHF_REG_VBAT 0x5D |
| 177 | #define W83627EHF_REG_DIODE 0x59 |
| 178 | #define W83627EHF_REG_SMI_OVT 0x4C |
| 179 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 180 | #define W83627EHF_REG_ALARM1 0x459 |
| 181 | #define W83627EHF_REG_ALARM2 0x45A |
| 182 | #define W83627EHF_REG_ALARM3 0x45B |
| 183 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 184 | /* SmartFan registers */ |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 185 | #define W83627EHF_REG_FAN_STEPUP_TIME 0x0f |
| 186 | #define W83627EHF_REG_FAN_STEPDOWN_TIME 0x0e |
| 187 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 188 | /* DC or PWM output fan configuration */ |
| 189 | static const u8 W83627EHF_REG_PWM_ENABLE[] = { |
| 190 | 0x04, /* SYS FAN0 output mode and PWM mode */ |
| 191 | 0x04, /* CPU FAN0 output mode and PWM mode */ |
| 192 | 0x12, /* AUX FAN mode */ |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 193 | 0x62, /* CPU FAN1 mode */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 194 | }; |
| 195 | |
| 196 | static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; |
| 197 | static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 }; |
| 198 | |
| 199 | /* FAN Duty Cycle, be used to control */ |
| 200 | static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; |
| 201 | static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; |
| 202 | static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; |
| 203 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 204 | /* Advanced Fan control, some values are common for all fans */ |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 205 | static const u8 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 }; |
| 206 | static const u8 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; |
| 207 | static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 }; |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 208 | |
| 209 | static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[] |
| 210 | = { 0xff, 0x67, 0xff, 0x69 }; |
| 211 | static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[] |
| 212 | = { 0xff, 0x68, 0xff, 0x6a }; |
| 213 | |
| 214 | static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b }; |
| 215 | static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[] = { 0x68, 0x6a, 0x6c }; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 216 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 217 | /* |
| 218 | * Conversions |
| 219 | */ |
| 220 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 221 | /* 1 is PWM mode, output in ms */ |
| 222 | static inline unsigned int step_time_from_reg(u8 reg, u8 mode) |
| 223 | { |
| 224 | return mode ? 100 * reg : 400 * reg; |
| 225 | } |
| 226 | |
| 227 | static inline u8 step_time_to_reg(unsigned int msec, u8 mode) |
| 228 | { |
| 229 | return SENSORS_LIMIT((mode ? (msec + 50) / 100 : |
| 230 | (msec + 200) / 400), 1, 255); |
| 231 | } |
| 232 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 233 | static inline unsigned int |
| 234 | fan_from_reg(u8 reg, unsigned int div) |
| 235 | { |
| 236 | if (reg == 0 || reg == 255) |
| 237 | return 0; |
| 238 | return 1350000U / (reg * div); |
| 239 | } |
| 240 | |
| 241 | static inline unsigned int |
| 242 | div_from_reg(u8 reg) |
| 243 | { |
| 244 | return 1 << reg; |
| 245 | } |
| 246 | |
| 247 | static inline int |
| 248 | temp1_from_reg(s8 reg) |
| 249 | { |
| 250 | return reg * 1000; |
| 251 | } |
| 252 | |
| 253 | static inline s8 |
Christian Hohnstaedt | 5bfedac | 2007-08-16 11:40:10 +0200 | [diff] [blame] | 254 | temp1_to_reg(long temp, int min, int max) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 255 | { |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 256 | if (temp <= min) |
| 257 | return min / 1000; |
| 258 | if (temp >= max) |
| 259 | return max / 1000; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 260 | if (temp < 0) |
| 261 | return (temp - 500) / 1000; |
| 262 | return (temp + 500) / 1000; |
| 263 | } |
| 264 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 265 | /* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ |
| 266 | |
| 267 | static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; |
| 268 | |
| 269 | static inline long in_from_reg(u8 reg, u8 nr) |
| 270 | { |
| 271 | return reg * scale_in[nr]; |
| 272 | } |
| 273 | |
| 274 | static inline u8 in_to_reg(u32 val, u8 nr) |
| 275 | { |
| 276 | return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); |
| 277 | } |
| 278 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 279 | /* |
| 280 | * Data structures and manipulation thereof |
| 281 | */ |
| 282 | |
| 283 | struct w83627ehf_data { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 284 | int addr; /* IO base of hw monitor block */ |
| 285 | const char *name; |
| 286 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 287 | struct device *hwmon_dev; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 288 | struct mutex lock; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 289 | |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 290 | const u8 *REG_FAN_START_OUTPUT; |
| 291 | const u8 *REG_FAN_STOP_OUTPUT; |
| 292 | const u8 *REG_FAN_MAX_OUTPUT; |
| 293 | const u8 *REG_FAN_STEP_OUTPUT; |
| 294 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 295 | struct mutex update_lock; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 296 | char valid; /* !=0 if following fields are valid */ |
| 297 | unsigned long last_updated; /* In jiffies */ |
| 298 | |
| 299 | /* Register values */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 300 | u8 in_num; /* number of in inputs we have */ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 301 | u8 in[10]; /* Register value */ |
| 302 | u8 in_max[10]; /* Register value */ |
| 303 | u8 in_min[10]; /* Register value */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 304 | u8 fan[5]; |
| 305 | u8 fan_min[5]; |
| 306 | u8 fan_div[5]; |
| 307 | u8 has_fan; /* some fan inputs can be disabled */ |
Jean Delvare | da66736 | 2007-06-24 11:21:02 +0200 | [diff] [blame] | 308 | u8 temp_type[3]; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 309 | s8 temp1; |
| 310 | s8 temp1_max; |
| 311 | s8 temp1_max_hyst; |
| 312 | s16 temp[2]; |
| 313 | s16 temp_max[2]; |
| 314 | s16 temp_max_hyst[2]; |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 315 | u32 alarms; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 316 | |
| 317 | u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ |
| 318 | u8 pwm_enable[4]; /* 1->manual |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 319 | 2->thermal cruise mode (also called SmartFan I) |
| 320 | 3->fan speed cruise mode |
| 321 | 4->variable thermal cruise (also called SmartFan III) */ |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 322 | u8 pwm_num; /* number of pwm */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 323 | u8 pwm[4]; |
| 324 | u8 target_temp[4]; |
| 325 | u8 tolerance[4]; |
| 326 | |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 327 | u8 fan_start_output[4]; /* minimum fan speed when spinning up */ |
| 328 | u8 fan_stop_output[4]; /* minimum fan speed when spinning down */ |
| 329 | u8 fan_stop_time[4]; /* time at minimum before disabling fan */ |
| 330 | u8 fan_max_output[4]; /* maximum fan speed */ |
| 331 | u8 fan_step_output[4]; /* rate of change output value */ |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 332 | |
| 333 | u8 vid; |
| 334 | u8 vrm; |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 335 | |
| 336 | u8 temp3_disable; |
| 337 | u8 in6_skip; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 338 | }; |
| 339 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 340 | struct w83627ehf_sio_data { |
| 341 | int sioreg; |
| 342 | enum kinds kind; |
| 343 | }; |
| 344 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 345 | static inline int is_word_sized(u16 reg) |
| 346 | { |
| 347 | return (((reg & 0xff00) == 0x100 |
| 348 | || (reg & 0xff00) == 0x200) |
| 349 | && ((reg & 0x00ff) == 0x50 |
| 350 | || (reg & 0x00ff) == 0x53 |
| 351 | || (reg & 0x00ff) == 0x55)); |
| 352 | } |
| 353 | |
Jean Delvare | 0956895 | 2007-08-11 13:57:05 +0200 | [diff] [blame] | 354 | /* Registers 0x50-0x5f are banked */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 355 | static inline void w83627ehf_set_bank(struct w83627ehf_data *data, u16 reg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 356 | { |
Jean Delvare | 0956895 | 2007-08-11 13:57:05 +0200 | [diff] [blame] | 357 | if ((reg & 0x00f0) == 0x50) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 358 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
| 359 | outb_p(reg >> 8, data->addr + DATA_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 360 | } |
| 361 | } |
| 362 | |
Jean Delvare | 0956895 | 2007-08-11 13:57:05 +0200 | [diff] [blame] | 363 | /* Not strictly necessary, but play it safe for now */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 364 | static inline void w83627ehf_reset_bank(struct w83627ehf_data *data, u16 reg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 365 | { |
| 366 | if (reg & 0xff00) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 367 | outb_p(W83627EHF_REG_BANK, data->addr + ADDR_REG_OFFSET); |
| 368 | outb_p(0, data->addr + DATA_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 369 | } |
| 370 | } |
| 371 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 372 | static u16 w83627ehf_read_value(struct w83627ehf_data *data, u16 reg) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 373 | { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 374 | int res, word_sized = is_word_sized(reg); |
| 375 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 376 | mutex_lock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 377 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 378 | w83627ehf_set_bank(data, reg); |
| 379 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
| 380 | res = inb_p(data->addr + DATA_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 381 | if (word_sized) { |
| 382 | outb_p((reg & 0xff) + 1, |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 383 | data->addr + ADDR_REG_OFFSET); |
| 384 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 385 | } |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 386 | w83627ehf_reset_bank(data, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 387 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 388 | mutex_unlock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 389 | |
| 390 | return res; |
| 391 | } |
| 392 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 393 | static int w83627ehf_write_value(struct w83627ehf_data *data, u16 reg, u16 value) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 394 | { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 395 | int word_sized = is_word_sized(reg); |
| 396 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 397 | mutex_lock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 398 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 399 | w83627ehf_set_bank(data, reg); |
| 400 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 401 | if (word_sized) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 402 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 403 | outb_p((reg & 0xff) + 1, |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 404 | data->addr + ADDR_REG_OFFSET); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 405 | } |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 406 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); |
| 407 | w83627ehf_reset_bank(data, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 408 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 409 | mutex_unlock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 410 | return 0; |
| 411 | } |
| 412 | |
| 413 | /* This function assumes that the caller holds data->update_lock */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 414 | static void w83627ehf_write_fan_div(struct w83627ehf_data *data, int nr) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 415 | { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 416 | u8 reg; |
| 417 | |
| 418 | switch (nr) { |
| 419 | case 0: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 420 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0xcf) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 421 | | ((data->fan_div[0] & 0x03) << 4); |
Rudolf Marek | 14992c7 | 2006-10-08 22:02:09 +0200 | [diff] [blame] | 422 | /* fan5 input control bit is write only, compute the value */ |
| 423 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 424 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
| 425 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xdf) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 426 | | ((data->fan_div[0] & 0x04) << 3); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 427 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 428 | break; |
| 429 | case 1: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 430 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV1) & 0x3f) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 431 | | ((data->fan_div[1] & 0x03) << 6); |
Rudolf Marek | 14992c7 | 2006-10-08 22:02:09 +0200 | [diff] [blame] | 432 | /* fan5 input control bit is write only, compute the value */ |
| 433 | reg |= (data->has_fan & (1 << 4)) ? 1 : 0; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 434 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV1, reg); |
| 435 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0xbf) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 436 | | ((data->fan_div[1] & 0x04) << 4); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 437 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 438 | break; |
| 439 | case 2: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 440 | reg = (w83627ehf_read_value(data, W83627EHF_REG_FANDIV2) & 0x3f) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 441 | | ((data->fan_div[2] & 0x03) << 6); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 442 | w83627ehf_write_value(data, W83627EHF_REG_FANDIV2, reg); |
| 443 | reg = (w83627ehf_read_value(data, W83627EHF_REG_VBAT) & 0x7f) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 444 | | ((data->fan_div[2] & 0x04) << 5); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 445 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 446 | break; |
| 447 | case 3: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 448 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0xfc) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 449 | | (data->fan_div[3] & 0x03); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 450 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
| 451 | reg = (w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT) & 0x7f) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 452 | | ((data->fan_div[3] & 0x04) << 5); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 453 | w83627ehf_write_value(data, W83627EHF_REG_SMI_OVT, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 454 | break; |
| 455 | case 4: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 456 | reg = (w83627ehf_read_value(data, W83627EHF_REG_DIODE) & 0x73) |
Jean Delvare | 33725ad | 2007-04-17 00:32:27 -0700 | [diff] [blame] | 457 | | ((data->fan_div[4] & 0x03) << 2) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 458 | | ((data->fan_div[4] & 0x04) << 5); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 459 | w83627ehf_write_value(data, W83627EHF_REG_DIODE, reg); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 460 | break; |
| 461 | } |
| 462 | } |
| 463 | |
Mark M. Hoffman | ea7be66 | 2007-08-05 12:19:01 -0400 | [diff] [blame] | 464 | static void w83627ehf_update_fan_div(struct w83627ehf_data *data) |
| 465 | { |
| 466 | int i; |
| 467 | |
| 468 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
| 469 | data->fan_div[0] = (i >> 4) & 0x03; |
| 470 | data->fan_div[1] = (i >> 6) & 0x03; |
| 471 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV2); |
| 472 | data->fan_div[2] = (i >> 6) & 0x03; |
| 473 | i = w83627ehf_read_value(data, W83627EHF_REG_VBAT); |
| 474 | data->fan_div[0] |= (i >> 3) & 0x04; |
| 475 | data->fan_div[1] |= (i >> 4) & 0x04; |
| 476 | data->fan_div[2] |= (i >> 5) & 0x04; |
| 477 | if (data->has_fan & ((1 << 3) | (1 << 4))) { |
| 478 | i = w83627ehf_read_value(data, W83627EHF_REG_DIODE); |
| 479 | data->fan_div[3] = i & 0x03; |
| 480 | data->fan_div[4] = ((i >> 2) & 0x03) |
| 481 | | ((i >> 5) & 0x04); |
| 482 | } |
| 483 | if (data->has_fan & (1 << 3)) { |
| 484 | i = w83627ehf_read_value(data, W83627EHF_REG_SMI_OVT); |
| 485 | data->fan_div[3] |= (i >> 5) & 0x04; |
| 486 | } |
| 487 | } |
| 488 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 489 | static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) |
| 490 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 491 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 492 | int pwmcfg = 0, tolerance = 0; /* shut up the compiler */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 493 | int i; |
| 494 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 495 | mutex_lock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 496 | |
Jean Delvare | 6b3e464 | 2007-06-24 11:19:01 +0200 | [diff] [blame] | 497 | if (time_after(jiffies, data->last_updated + HZ + HZ/2) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 498 | || !data->valid) { |
| 499 | /* Fan clock dividers */ |
Mark M. Hoffman | ea7be66 | 2007-08-05 12:19:01 -0400 | [diff] [blame] | 500 | w83627ehf_update_fan_div(data); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 501 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 502 | /* Measured voltages and limits */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 503 | for (i = 0; i < data->in_num; i++) { |
| 504 | data->in[i] = w83627ehf_read_value(data, |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 505 | W83627EHF_REG_IN(i)); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 506 | data->in_min[i] = w83627ehf_read_value(data, |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 507 | W83627EHF_REG_IN_MIN(i)); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 508 | data->in_max[i] = w83627ehf_read_value(data, |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 509 | W83627EHF_REG_IN_MAX(i)); |
| 510 | } |
| 511 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 512 | /* Measured fan speeds and limits */ |
| 513 | for (i = 0; i < 5; i++) { |
| 514 | if (!(data->has_fan & (1 << i))) |
| 515 | continue; |
| 516 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 517 | data->fan[i] = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 518 | W83627EHF_REG_FAN[i]); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 519 | data->fan_min[i] = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 520 | W83627EHF_REG_FAN_MIN[i]); |
| 521 | |
| 522 | /* If we failed to measure the fan speed and clock |
| 523 | divider can be increased, let's try that for next |
| 524 | time */ |
| 525 | if (data->fan[i] == 0xff |
| 526 | && data->fan_div[i] < 0x07) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 527 | dev_dbg(dev, "Increasing fan%d " |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 528 | "clock divider from %u to %u\n", |
Jean Delvare | 33725ad | 2007-04-17 00:32:27 -0700 | [diff] [blame] | 529 | i + 1, div_from_reg(data->fan_div[i]), |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 530 | div_from_reg(data->fan_div[i] + 1)); |
| 531 | data->fan_div[i]++; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 532 | w83627ehf_write_fan_div(data, i); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 533 | /* Preserve min limit if possible */ |
| 534 | if (data->fan_min[i] >= 2 |
| 535 | && data->fan_min[i] != 255) |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 536 | w83627ehf_write_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 537 | W83627EHF_REG_FAN_MIN[i], |
| 538 | (data->fan_min[i] /= 2)); |
| 539 | } |
| 540 | } |
| 541 | |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 542 | for (i = 0; i < data->pwm_num; i++) { |
| 543 | if (!(data->has_fan & (1 << i))) |
| 544 | continue; |
| 545 | |
Jean Delvare | 77fa49d | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 546 | /* pwmcfg, tolerance mapped for i=0, i=1 to same reg */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 547 | if (i != 1) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 548 | pwmcfg = w83627ehf_read_value(data, |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 549 | W83627EHF_REG_PWM_ENABLE[i]); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 550 | tolerance = w83627ehf_read_value(data, |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 551 | W83627EHF_REG_TOLERANCE[i]); |
| 552 | } |
| 553 | data->pwm_mode[i] = |
| 554 | ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) |
| 555 | ? 0 : 1; |
| 556 | data->pwm_enable[i] = |
| 557 | ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i]) |
| 558 | & 3) + 1; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 559 | data->pwm[i] = w83627ehf_read_value(data, |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 560 | W83627EHF_REG_PWM[i]); |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 561 | data->fan_start_output[i] = w83627ehf_read_value(data, |
| 562 | W83627EHF_REG_FAN_START_OUTPUT[i]); |
| 563 | data->fan_stop_output[i] = w83627ehf_read_value(data, |
| 564 | W83627EHF_REG_FAN_STOP_OUTPUT[i]); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 565 | data->fan_stop_time[i] = w83627ehf_read_value(data, |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 566 | W83627EHF_REG_FAN_STOP_TIME[i]); |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 567 | |
| 568 | if (data->REG_FAN_MAX_OUTPUT[i] != 0xff) |
| 569 | data->fan_max_output[i] = |
| 570 | w83627ehf_read_value(data, |
| 571 | data->REG_FAN_MAX_OUTPUT[i]); |
| 572 | |
| 573 | if (data->REG_FAN_STEP_OUTPUT[i] != 0xff) |
| 574 | data->fan_step_output[i] = |
| 575 | w83627ehf_read_value(data, |
| 576 | data->REG_FAN_STEP_OUTPUT[i]); |
| 577 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 578 | data->target_temp[i] = |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 579 | w83627ehf_read_value(data, |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 580 | W83627EHF_REG_TARGET[i]) & |
| 581 | (data->pwm_mode[i] == 1 ? 0x7f : 0xff); |
| 582 | data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) |
| 583 | & 0x0f; |
| 584 | } |
| 585 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 586 | /* Measured temperatures and limits */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 587 | data->temp1 = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 588 | W83627EHF_REG_TEMP1); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 589 | data->temp1_max = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 590 | W83627EHF_REG_TEMP1_OVER); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 591 | data->temp1_max_hyst = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 592 | W83627EHF_REG_TEMP1_HYST); |
| 593 | for (i = 0; i < 2; i++) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 594 | data->temp[i] = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 595 | W83627EHF_REG_TEMP[i]); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 596 | data->temp_max[i] = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 597 | W83627EHF_REG_TEMP_OVER[i]); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 598 | data->temp_max_hyst[i] = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 599 | W83627EHF_REG_TEMP_HYST[i]); |
| 600 | } |
| 601 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 602 | data->alarms = w83627ehf_read_value(data, |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 603 | W83627EHF_REG_ALARM1) | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 604 | (w83627ehf_read_value(data, |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 605 | W83627EHF_REG_ALARM2) << 8) | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 606 | (w83627ehf_read_value(data, |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 607 | W83627EHF_REG_ALARM3) << 16); |
| 608 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 609 | data->last_updated = jiffies; |
| 610 | data->valid = 1; |
| 611 | } |
| 612 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 613 | mutex_unlock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 614 | return data; |
| 615 | } |
| 616 | |
| 617 | /* |
| 618 | * Sysfs callback functions |
| 619 | */ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 620 | #define show_in_reg(reg) \ |
| 621 | static ssize_t \ |
| 622 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 623 | char *buf) \ |
| 624 | { \ |
| 625 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 626 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 627 | int nr = sensor_attr->index; \ |
| 628 | return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ |
| 629 | } |
| 630 | show_in_reg(in) |
| 631 | show_in_reg(in_min) |
| 632 | show_in_reg(in_max) |
| 633 | |
| 634 | #define store_in_reg(REG, reg) \ |
| 635 | static ssize_t \ |
| 636 | store_in_##reg (struct device *dev, struct device_attribute *attr, \ |
| 637 | const char *buf, size_t count) \ |
| 638 | { \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 639 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 640 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 641 | int nr = sensor_attr->index; \ |
| 642 | u32 val = simple_strtoul(buf, NULL, 10); \ |
| 643 | \ |
| 644 | mutex_lock(&data->update_lock); \ |
| 645 | data->in_##reg[nr] = in_to_reg(val, nr); \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 646 | w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 647 | data->in_##reg[nr]); \ |
| 648 | mutex_unlock(&data->update_lock); \ |
| 649 | return count; \ |
| 650 | } |
| 651 | |
| 652 | store_in_reg(MIN, min) |
| 653 | store_in_reg(MAX, max) |
| 654 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 655 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
| 656 | { |
| 657 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
| 658 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 659 | int nr = sensor_attr->index; |
| 660 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); |
| 661 | } |
| 662 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 663 | static struct sensor_device_attribute sda_in_input[] = { |
| 664 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), |
| 665 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), |
| 666 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), |
| 667 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), |
| 668 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), |
| 669 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), |
| 670 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), |
| 671 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), |
| 672 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), |
| 673 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), |
| 674 | }; |
| 675 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 676 | static struct sensor_device_attribute sda_in_alarm[] = { |
| 677 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), |
| 678 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), |
| 679 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), |
| 680 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), |
| 681 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), |
| 682 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), |
| 683 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), |
| 684 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), |
| 685 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), |
| 686 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), |
| 687 | }; |
| 688 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 689 | static struct sensor_device_attribute sda_in_min[] = { |
| 690 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), |
| 691 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), |
| 692 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), |
| 693 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), |
| 694 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), |
| 695 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), |
| 696 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), |
| 697 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), |
| 698 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), |
| 699 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), |
| 700 | }; |
| 701 | |
| 702 | static struct sensor_device_attribute sda_in_max[] = { |
| 703 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), |
| 704 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), |
| 705 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), |
| 706 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), |
| 707 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), |
| 708 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), |
| 709 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), |
| 710 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), |
| 711 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), |
| 712 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), |
| 713 | }; |
| 714 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 715 | #define show_fan_reg(reg) \ |
| 716 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 717 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 718 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 719 | { \ |
| 720 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 721 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 722 | int nr = sensor_attr->index; \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 723 | return sprintf(buf, "%d\n", \ |
| 724 | fan_from_reg(data->reg[nr], \ |
| 725 | div_from_reg(data->fan_div[nr]))); \ |
| 726 | } |
| 727 | show_fan_reg(fan); |
| 728 | show_fan_reg(fan_min); |
| 729 | |
| 730 | static ssize_t |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 731 | show_fan_div(struct device *dev, struct device_attribute *attr, |
| 732 | char *buf) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 733 | { |
| 734 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 735 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 736 | int nr = sensor_attr->index; |
| 737 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 738 | } |
| 739 | |
| 740 | static ssize_t |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 741 | store_fan_min(struct device *dev, struct device_attribute *attr, |
| 742 | const char *buf, size_t count) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 743 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 744 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 745 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 746 | int nr = sensor_attr->index; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 747 | unsigned int val = simple_strtoul(buf, NULL, 10); |
| 748 | unsigned int reg; |
| 749 | u8 new_div; |
| 750 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 751 | mutex_lock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 752 | if (!val) { |
| 753 | /* No min limit, alarm disabled */ |
| 754 | data->fan_min[nr] = 255; |
| 755 | new_div = data->fan_div[nr]; /* No change */ |
| 756 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); |
| 757 | } else if ((reg = 1350000U / val) >= 128 * 255) { |
| 758 | /* Speed below this value cannot possibly be represented, |
| 759 | even with the highest divider (128) */ |
| 760 | data->fan_min[nr] = 254; |
| 761 | new_div = 7; /* 128 == (1 << 7) */ |
| 762 | dev_warn(dev, "fan%u low limit %u below minimum %u, set to " |
| 763 | "minimum\n", nr + 1, val, fan_from_reg(254, 128)); |
| 764 | } else if (!reg) { |
| 765 | /* Speed above this value cannot possibly be represented, |
| 766 | even with the lowest divider (1) */ |
| 767 | data->fan_min[nr] = 1; |
| 768 | new_div = 0; /* 1 == (1 << 0) */ |
| 769 | dev_warn(dev, "fan%u low limit %u above maximum %u, set to " |
Jean Delvare | b9110b1 | 2005-05-02 23:08:22 +0200 | [diff] [blame] | 770 | "maximum\n", nr + 1, val, fan_from_reg(1, 1)); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 771 | } else { |
| 772 | /* Automatically pick the best divider, i.e. the one such |
| 773 | that the min limit will correspond to a register value |
| 774 | in the 96..192 range */ |
| 775 | new_div = 0; |
| 776 | while (reg > 192 && new_div < 7) { |
| 777 | reg >>= 1; |
| 778 | new_div++; |
| 779 | } |
| 780 | data->fan_min[nr] = reg; |
| 781 | } |
| 782 | |
| 783 | /* Write both the fan clock divider (if it changed) and the new |
| 784 | fan min (unconditionally) */ |
| 785 | if (new_div != data->fan_div[nr]) { |
Jean Delvare | 158ce07 | 2007-06-17 16:09:12 +0200 | [diff] [blame] | 786 | /* Preserve the fan speed reading */ |
| 787 | if (data->fan[nr] != 0xff) { |
| 788 | if (new_div > data->fan_div[nr]) |
| 789 | data->fan[nr] >>= new_div - data->fan_div[nr]; |
| 790 | else if (data->fan[nr] & 0x80) |
| 791 | data->fan[nr] = 0xff; |
| 792 | else |
| 793 | data->fan[nr] <<= data->fan_div[nr] - new_div; |
| 794 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 795 | |
| 796 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", |
| 797 | nr + 1, div_from_reg(data->fan_div[nr]), |
| 798 | div_from_reg(new_div)); |
| 799 | data->fan_div[nr] = new_div; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 800 | w83627ehf_write_fan_div(data, nr); |
Jean Delvare | 6b3e464 | 2007-06-24 11:19:01 +0200 | [diff] [blame] | 801 | /* Give the chip time to sample a new speed value */ |
| 802 | data->last_updated = jiffies; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 803 | } |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 804 | w83627ehf_write_value(data, W83627EHF_REG_FAN_MIN[nr], |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 805 | data->fan_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 806 | mutex_unlock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 807 | |
| 808 | return count; |
| 809 | } |
| 810 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 811 | static struct sensor_device_attribute sda_fan_input[] = { |
| 812 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), |
| 813 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), |
| 814 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), |
| 815 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), |
| 816 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), |
| 817 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 818 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 819 | static struct sensor_device_attribute sda_fan_alarm[] = { |
| 820 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), |
| 821 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), |
| 822 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), |
| 823 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), |
| 824 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), |
| 825 | }; |
| 826 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 827 | static struct sensor_device_attribute sda_fan_min[] = { |
| 828 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 829 | store_fan_min, 0), |
| 830 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 831 | store_fan_min, 1), |
| 832 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 833 | store_fan_min, 2), |
| 834 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 835 | store_fan_min, 3), |
| 836 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 837 | store_fan_min, 4), |
| 838 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 839 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 840 | static struct sensor_device_attribute sda_fan_div[] = { |
| 841 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), |
| 842 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), |
| 843 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), |
| 844 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), |
| 845 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), |
| 846 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 847 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 848 | #define show_temp1_reg(reg) \ |
| 849 | static ssize_t \ |
Greg Kroah-Hartman | 6f637a6 | 2005-06-21 21:01:59 -0700 | [diff] [blame] | 850 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 851 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 852 | { \ |
| 853 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 854 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ |
| 855 | } |
| 856 | show_temp1_reg(temp1); |
| 857 | show_temp1_reg(temp1_max); |
| 858 | show_temp1_reg(temp1_max_hyst); |
| 859 | |
| 860 | #define store_temp1_reg(REG, reg) \ |
| 861 | static ssize_t \ |
Greg Kroah-Hartman | 6f637a6 | 2005-06-21 21:01:59 -0700 | [diff] [blame] | 862 | store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ |
| 863 | const char *buf, size_t count) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 864 | { \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 865 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
Christian Hohnstaedt | 5bfedac | 2007-08-16 11:40:10 +0200 | [diff] [blame] | 866 | long val = simple_strtol(buf, NULL, 10); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 867 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 868 | mutex_lock(&data->update_lock); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 869 | data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 870 | w83627ehf_write_value(data, W83627EHF_REG_TEMP1_##REG, \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 871 | data->temp1_##reg); \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 872 | mutex_unlock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 873 | return count; \ |
| 874 | } |
| 875 | store_temp1_reg(OVER, max); |
| 876 | store_temp1_reg(HYST, max_hyst); |
| 877 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 878 | #define show_temp_reg(reg) \ |
| 879 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 880 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 881 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 882 | { \ |
| 883 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 884 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 885 | int nr = sensor_attr->index; \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 886 | return sprintf(buf, "%d\n", \ |
| 887 | LM75_TEMP_FROM_REG(data->reg[nr])); \ |
| 888 | } |
| 889 | show_temp_reg(temp); |
| 890 | show_temp_reg(temp_max); |
| 891 | show_temp_reg(temp_max_hyst); |
| 892 | |
| 893 | #define store_temp_reg(REG, reg) \ |
| 894 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 895 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 896 | const char *buf, size_t count) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 897 | { \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 898 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 899 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 900 | int nr = sensor_attr->index; \ |
Christian Hohnstaedt | 5bfedac | 2007-08-16 11:40:10 +0200 | [diff] [blame] | 901 | long val = simple_strtol(buf, NULL, 10); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 902 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 903 | mutex_lock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 904 | data->reg[nr] = LM75_TEMP_TO_REG(val); \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 905 | w83627ehf_write_value(data, W83627EHF_REG_TEMP_##REG[nr], \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 906 | data->reg[nr]); \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 907 | mutex_unlock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 908 | return count; \ |
| 909 | } |
| 910 | store_temp_reg(OVER, temp_max); |
| 911 | store_temp_reg(HYST, temp_max_hyst); |
| 912 | |
Jean Delvare | da66736 | 2007-06-24 11:21:02 +0200 | [diff] [blame] | 913 | static ssize_t |
| 914 | show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) |
| 915 | { |
| 916 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
| 917 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 918 | int nr = sensor_attr->index; |
| 919 | return sprintf(buf, "%d\n", (int)data->temp_type[nr]); |
| 920 | } |
| 921 | |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 922 | static struct sensor_device_attribute sda_temp_input[] = { |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 923 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), |
| 924 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), |
| 925 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 926 | }; |
| 927 | |
| 928 | static struct sensor_device_attribute sda_temp_max[] = { |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 929 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, |
| 930 | store_temp1_max, 0), |
| 931 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, |
| 932 | store_temp_max, 0), |
| 933 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, |
| 934 | store_temp_max, 1), |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 935 | }; |
| 936 | |
| 937 | static struct sensor_device_attribute sda_temp_max_hyst[] = { |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 938 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, |
| 939 | store_temp1_max_hyst, 0), |
| 940 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
| 941 | store_temp_max_hyst, 0), |
| 942 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
| 943 | store_temp_max_hyst, 1), |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 944 | }; |
| 945 | |
| 946 | static struct sensor_device_attribute sda_temp_alarm[] = { |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 947 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), |
| 948 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), |
| 949 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 950 | }; |
| 951 | |
| 952 | static struct sensor_device_attribute sda_temp_type[] = { |
Jean Delvare | da66736 | 2007-06-24 11:21:02 +0200 | [diff] [blame] | 953 | SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0), |
| 954 | SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1), |
| 955 | SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2), |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 956 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 957 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 958 | #define show_pwm_reg(reg) \ |
| 959 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ |
| 960 | char *buf) \ |
| 961 | { \ |
| 962 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 963 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 964 | int nr = sensor_attr->index; \ |
| 965 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
| 966 | } |
| 967 | |
| 968 | show_pwm_reg(pwm_mode) |
| 969 | show_pwm_reg(pwm_enable) |
| 970 | show_pwm_reg(pwm) |
| 971 | |
| 972 | static ssize_t |
| 973 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
| 974 | const char *buf, size_t count) |
| 975 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 976 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 977 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 978 | int nr = sensor_attr->index; |
| 979 | u32 val = simple_strtoul(buf, NULL, 10); |
| 980 | u16 reg; |
| 981 | |
| 982 | if (val > 1) |
| 983 | return -EINVAL; |
| 984 | mutex_lock(&data->update_lock); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 985 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 986 | data->pwm_mode[nr] = val; |
| 987 | reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]); |
| 988 | if (!val) |
| 989 | reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr]; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 990 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 991 | mutex_unlock(&data->update_lock); |
| 992 | return count; |
| 993 | } |
| 994 | |
| 995 | static ssize_t |
| 996 | store_pwm(struct device *dev, struct device_attribute *attr, |
| 997 | const char *buf, size_t count) |
| 998 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 999 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1000 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 1001 | int nr = sensor_attr->index; |
| 1002 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255); |
| 1003 | |
| 1004 | mutex_lock(&data->update_lock); |
| 1005 | data->pwm[nr] = val; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1006 | w83627ehf_write_value(data, W83627EHF_REG_PWM[nr], val); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1007 | mutex_unlock(&data->update_lock); |
| 1008 | return count; |
| 1009 | } |
| 1010 | |
| 1011 | static ssize_t |
| 1012 | store_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 1013 | const char *buf, size_t count) |
| 1014 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1015 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1016 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 1017 | int nr = sensor_attr->index; |
| 1018 | u32 val = simple_strtoul(buf, NULL, 10); |
| 1019 | u16 reg; |
| 1020 | |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1021 | if (!val || (val > 4)) |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1022 | return -EINVAL; |
| 1023 | mutex_lock(&data->update_lock); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1024 | reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1025 | data->pwm_enable[nr] = val; |
| 1026 | reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]); |
| 1027 | reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr]; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1028 | w83627ehf_write_value(data, W83627EHF_REG_PWM_ENABLE[nr], reg); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1029 | mutex_unlock(&data->update_lock); |
| 1030 | return count; |
| 1031 | } |
| 1032 | |
| 1033 | |
| 1034 | #define show_tol_temp(reg) \ |
| 1035 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1036 | char *buf) \ |
| 1037 | { \ |
| 1038 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 1039 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1040 | int nr = sensor_attr->index; \ |
| 1041 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg[nr])); \ |
| 1042 | } |
| 1043 | |
| 1044 | show_tol_temp(tolerance) |
| 1045 | show_tol_temp(target_temp) |
| 1046 | |
| 1047 | static ssize_t |
| 1048 | store_target_temp(struct device *dev, struct device_attribute *attr, |
| 1049 | const char *buf, size_t count) |
| 1050 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1051 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1052 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 1053 | int nr = sensor_attr->index; |
| 1054 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 127000); |
| 1055 | |
| 1056 | mutex_lock(&data->update_lock); |
| 1057 | data->target_temp[nr] = val; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1058 | w83627ehf_write_value(data, W83627EHF_REG_TARGET[nr], val); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1059 | mutex_unlock(&data->update_lock); |
| 1060 | return count; |
| 1061 | } |
| 1062 | |
| 1063 | static ssize_t |
| 1064 | store_tolerance(struct device *dev, struct device_attribute *attr, |
| 1065 | const char *buf, size_t count) |
| 1066 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1067 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1068 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 1069 | int nr = sensor_attr->index; |
| 1070 | u16 reg; |
| 1071 | /* Limit the temp to 0C - 15C */ |
| 1072 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 15000); |
| 1073 | |
| 1074 | mutex_lock(&data->update_lock); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1075 | reg = w83627ehf_read_value(data, W83627EHF_REG_TOLERANCE[nr]); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1076 | data->tolerance[nr] = val; |
| 1077 | if (nr == 1) |
| 1078 | reg = (reg & 0x0f) | (val << 4); |
| 1079 | else |
| 1080 | reg = (reg & 0xf0) | val; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1081 | w83627ehf_write_value(data, W83627EHF_REG_TOLERANCE[nr], reg); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1082 | mutex_unlock(&data->update_lock); |
| 1083 | return count; |
| 1084 | } |
| 1085 | |
| 1086 | static struct sensor_device_attribute sda_pwm[] = { |
| 1087 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), |
| 1088 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), |
| 1089 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), |
| 1090 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), |
| 1091 | }; |
| 1092 | |
| 1093 | static struct sensor_device_attribute sda_pwm_mode[] = { |
| 1094 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1095 | store_pwm_mode, 0), |
| 1096 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1097 | store_pwm_mode, 1), |
| 1098 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1099 | store_pwm_mode, 2), |
| 1100 | SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1101 | store_pwm_mode, 3), |
| 1102 | }; |
| 1103 | |
| 1104 | static struct sensor_device_attribute sda_pwm_enable[] = { |
| 1105 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1106 | store_pwm_enable, 0), |
| 1107 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1108 | store_pwm_enable, 1), |
| 1109 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1110 | store_pwm_enable, 2), |
| 1111 | SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1112 | store_pwm_enable, 3), |
| 1113 | }; |
| 1114 | |
| 1115 | static struct sensor_device_attribute sda_target_temp[] = { |
| 1116 | SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1117 | store_target_temp, 0), |
| 1118 | SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1119 | store_target_temp, 1), |
| 1120 | SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1121 | store_target_temp, 2), |
| 1122 | SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1123 | store_target_temp, 3), |
| 1124 | }; |
| 1125 | |
| 1126 | static struct sensor_device_attribute sda_tolerance[] = { |
| 1127 | SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1128 | store_tolerance, 0), |
| 1129 | SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1130 | store_tolerance, 1), |
| 1131 | SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1132 | store_tolerance, 2), |
| 1133 | SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1134 | store_tolerance, 3), |
| 1135 | }; |
| 1136 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1137 | /* Smart Fan registers */ |
| 1138 | |
| 1139 | #define fan_functions(reg, REG) \ |
| 1140 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1141 | char *buf) \ |
| 1142 | { \ |
| 1143 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 1144 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1145 | int nr = sensor_attr->index; \ |
| 1146 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
| 1147 | }\ |
| 1148 | static ssize_t \ |
| 1149 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1150 | const char *buf, size_t count) \ |
| 1151 | {\ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1152 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1153 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1154 | int nr = sensor_attr->index; \ |
| 1155 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \ |
| 1156 | mutex_lock(&data->update_lock); \ |
| 1157 | data->reg[nr] = val; \ |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1158 | w83627ehf_write_value(data, data->REG_##REG[nr], val); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1159 | mutex_unlock(&data->update_lock); \ |
| 1160 | return count; \ |
| 1161 | } |
| 1162 | |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1163 | fan_functions(fan_start_output, FAN_START_OUTPUT) |
| 1164 | fan_functions(fan_stop_output, FAN_STOP_OUTPUT) |
| 1165 | fan_functions(fan_max_output, FAN_MAX_OUTPUT) |
| 1166 | fan_functions(fan_step_output, FAN_STEP_OUTPUT) |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1167 | |
| 1168 | #define fan_time_functions(reg, REG) \ |
| 1169 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1170 | char *buf) \ |
| 1171 | { \ |
| 1172 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 1173 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1174 | int nr = sensor_attr->index; \ |
| 1175 | return sprintf(buf, "%d\n", \ |
| 1176 | step_time_from_reg(data->reg[nr], data->pwm_mode[nr])); \ |
| 1177 | } \ |
| 1178 | \ |
| 1179 | static ssize_t \ |
| 1180 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1181 | const char *buf, size_t count) \ |
| 1182 | { \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1183 | struct w83627ehf_data *data = dev_get_drvdata(dev); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1184 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1185 | int nr = sensor_attr->index; \ |
| 1186 | u8 val = step_time_to_reg(simple_strtoul(buf, NULL, 10), \ |
| 1187 | data->pwm_mode[nr]); \ |
| 1188 | mutex_lock(&data->update_lock); \ |
| 1189 | data->reg[nr] = val; \ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1190 | w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1191 | mutex_unlock(&data->update_lock); \ |
| 1192 | return count; \ |
| 1193 | } \ |
| 1194 | |
| 1195 | fan_time_functions(fan_stop_time, FAN_STOP_TIME) |
| 1196 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1197 | static ssize_t show_name(struct device *dev, struct device_attribute *attr, |
| 1198 | char *buf) |
| 1199 | { |
| 1200 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
| 1201 | |
| 1202 | return sprintf(buf, "%s\n", data->name); |
| 1203 | } |
| 1204 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1205 | |
| 1206 | static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { |
| 1207 | SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1208 | store_fan_stop_time, 3), |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1209 | SENSOR_ATTR(pwm4_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
| 1210 | store_fan_start_output, 3), |
| 1211 | SENSOR_ATTR(pwm4_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
| 1212 | store_fan_stop_output, 3), |
| 1213 | SENSOR_ATTR(pwm4_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
| 1214 | store_fan_max_output, 3), |
| 1215 | SENSOR_ATTR(pwm4_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
| 1216 | store_fan_step_output, 3), |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1217 | }; |
| 1218 | |
| 1219 | static struct sensor_device_attribute sda_sf3_arrays[] = { |
| 1220 | SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1221 | store_fan_stop_time, 0), |
| 1222 | SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1223 | store_fan_stop_time, 1), |
| 1224 | SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1225 | store_fan_stop_time, 2), |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1226 | SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
| 1227 | store_fan_start_output, 0), |
| 1228 | SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
| 1229 | store_fan_start_output, 1), |
| 1230 | SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output, |
| 1231 | store_fan_start_output, 2), |
| 1232 | SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
| 1233 | store_fan_stop_output, 0), |
| 1234 | SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
| 1235 | store_fan_stop_output, 1), |
| 1236 | SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output, |
| 1237 | store_fan_stop_output, 2), |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1238 | }; |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1239 | |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1240 | |
| 1241 | /* |
| 1242 | * pwm1 and pwm3 don't support max and step settings on all chips. |
| 1243 | * Need to check support while generating/removing attribute files. |
| 1244 | */ |
| 1245 | static struct sensor_device_attribute sda_sf3_max_step_arrays[] = { |
| 1246 | SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
| 1247 | store_fan_max_output, 0), |
| 1248 | SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
| 1249 | store_fan_step_output, 0), |
Daniel J Blueman | 41e9a06 | 2009-12-14 18:01:37 -0800 | [diff] [blame] | 1250 | SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
| 1251 | store_fan_max_output, 1), |
| 1252 | SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
| 1253 | store_fan_step_output, 1), |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1254 | SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output, |
| 1255 | store_fan_max_output, 2), |
| 1256 | SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output, |
| 1257 | store_fan_step_output, 2), |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1258 | }; |
| 1259 | |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 1260 | static ssize_t |
| 1261 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
| 1262 | { |
| 1263 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
| 1264 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); |
| 1265 | } |
| 1266 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); |
| 1267 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1268 | /* |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1269 | * Driver and device management |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1270 | */ |
| 1271 | |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1272 | static void w83627ehf_device_remove_files(struct device *dev) |
| 1273 | { |
| 1274 | /* some entries in the following arrays may not have been used in |
| 1275 | * device_create_file(), but device_remove_file() will ignore them */ |
| 1276 | int i; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1277 | struct w83627ehf_data *data = dev_get_drvdata(dev); |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1278 | |
| 1279 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
| 1280 | device_remove_file(dev, &sda_sf3_arrays[i].dev_attr); |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1281 | for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) { |
| 1282 | struct sensor_device_attribute *attr = |
| 1283 | &sda_sf3_max_step_arrays[i]; |
| 1284 | if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) |
| 1285 | device_remove_file(dev, &attr->dev_attr); |
| 1286 | } |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1287 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) |
| 1288 | device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1289 | for (i = 0; i < data->in_num; i++) { |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1290 | if ((i == 6) && data->in6_skip) |
| 1291 | continue; |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1292 | device_remove_file(dev, &sda_in_input[i].dev_attr); |
| 1293 | device_remove_file(dev, &sda_in_alarm[i].dev_attr); |
| 1294 | device_remove_file(dev, &sda_in_min[i].dev_attr); |
| 1295 | device_remove_file(dev, &sda_in_max[i].dev_attr); |
| 1296 | } |
| 1297 | for (i = 0; i < 5; i++) { |
| 1298 | device_remove_file(dev, &sda_fan_input[i].dev_attr); |
| 1299 | device_remove_file(dev, &sda_fan_alarm[i].dev_attr); |
| 1300 | device_remove_file(dev, &sda_fan_div[i].dev_attr); |
| 1301 | device_remove_file(dev, &sda_fan_min[i].dev_attr); |
| 1302 | } |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1303 | for (i = 0; i < data->pwm_num; i++) { |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1304 | device_remove_file(dev, &sda_pwm[i].dev_attr); |
| 1305 | device_remove_file(dev, &sda_pwm_mode[i].dev_attr); |
| 1306 | device_remove_file(dev, &sda_pwm_enable[i].dev_attr); |
| 1307 | device_remove_file(dev, &sda_target_temp[i].dev_attr); |
| 1308 | device_remove_file(dev, &sda_tolerance[i].dev_attr); |
| 1309 | } |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1310 | for (i = 0; i < 3; i++) { |
| 1311 | if ((i == 2) && data->temp3_disable) |
| 1312 | continue; |
| 1313 | device_remove_file(dev, &sda_temp_input[i].dev_attr); |
| 1314 | device_remove_file(dev, &sda_temp_max[i].dev_attr); |
| 1315 | device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr); |
| 1316 | device_remove_file(dev, &sda_temp_alarm[i].dev_attr); |
| 1317 | device_remove_file(dev, &sda_temp_type[i].dev_attr); |
| 1318 | } |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1319 | |
| 1320 | device_remove_file(dev, &dev_attr_name); |
Jean Delvare | cbe311f | 2008-01-03 21:22:44 +0100 | [diff] [blame] | 1321 | device_remove_file(dev, &dev_attr_cpu0_vid); |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1322 | } |
| 1323 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1324 | /* Get the monitoring functions started */ |
| 1325 | static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1326 | { |
| 1327 | int i; |
Jean Delvare | da66736 | 2007-06-24 11:21:02 +0200 | [diff] [blame] | 1328 | u8 tmp, diode; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1329 | |
| 1330 | /* Start monitoring is needed */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1331 | tmp = w83627ehf_read_value(data, W83627EHF_REG_CONFIG); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1332 | if (!(tmp & 0x01)) |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1333 | w83627ehf_write_value(data, W83627EHF_REG_CONFIG, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1334 | tmp | 0x01); |
| 1335 | |
| 1336 | /* Enable temp2 and temp3 if needed */ |
| 1337 | for (i = 0; i < 2; i++) { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1338 | tmp = w83627ehf_read_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1339 | W83627EHF_REG_TEMP_CONFIG[i]); |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1340 | if ((i == 1) && data->temp3_disable) |
| 1341 | continue; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1342 | if (tmp & 0x01) |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1343 | w83627ehf_write_value(data, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1344 | W83627EHF_REG_TEMP_CONFIG[i], |
| 1345 | tmp & 0xfe); |
| 1346 | } |
Jean Delvare | d3130f0 | 2007-06-24 11:20:13 +0200 | [diff] [blame] | 1347 | |
| 1348 | /* Enable VBAT monitoring if needed */ |
| 1349 | tmp = w83627ehf_read_value(data, W83627EHF_REG_VBAT); |
| 1350 | if (!(tmp & 0x01)) |
| 1351 | w83627ehf_write_value(data, W83627EHF_REG_VBAT, tmp | 0x01); |
Jean Delvare | da66736 | 2007-06-24 11:21:02 +0200 | [diff] [blame] | 1352 | |
| 1353 | /* Get thermal sensor types */ |
| 1354 | diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE); |
| 1355 | for (i = 0; i < 3; i++) { |
| 1356 | if ((tmp & (0x02 << i))) |
| 1357 | data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 2; |
| 1358 | else |
| 1359 | data->temp_type[i] = 4; /* thermistor */ |
| 1360 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1361 | } |
| 1362 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1363 | static int __devinit w83627ehf_probe(struct platform_device *pdev) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1364 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1365 | struct device *dev = &pdev->dev; |
| 1366 | struct w83627ehf_sio_data *sio_data = dev->platform_data; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1367 | struct w83627ehf_data *data; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1368 | struct resource *res; |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 1369 | u8 fan4pin, fan5pin, en_vrm10; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1370 | int i, err = 0; |
| 1371 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1372 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| 1373 | if (!request_region(res->start, IOREGION_LENGTH, DRVNAME)) { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1374 | err = -EBUSY; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1375 | dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", |
| 1376 | (unsigned long)res->start, |
| 1377 | (unsigned long)res->start + IOREGION_LENGTH - 1); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1378 | goto exit; |
| 1379 | } |
| 1380 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1381 | if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1382 | err = -ENOMEM; |
| 1383 | goto exit_release; |
| 1384 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1385 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1386 | data->addr = res->start; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1387 | mutex_init(&data->lock); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1388 | mutex_init(&data->update_lock); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1389 | data->name = w83627ehf_device_names[sio_data->kind]; |
| 1390 | platform_set_drvdata(pdev, data); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1391 | |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1392 | /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ |
| 1393 | data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9; |
| 1394 | /* 667HG has 3 pwms */ |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1395 | data->pwm_num = (sio_data->kind == w83667hg |
| 1396 | || sio_data->kind == w83667hg_b) ? 3 : 4; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1397 | |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1398 | /* Check temp3 configuration bit for 667HG */ |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1399 | if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) { |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1400 | data->temp3_disable = w83627ehf_read_value(data, |
| 1401 | W83627EHF_REG_TEMP_CONFIG[1]) & 0x01; |
| 1402 | data->in6_skip = !data->temp3_disable; |
| 1403 | } |
| 1404 | |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1405 | data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT; |
| 1406 | data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT; |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1407 | if (sio_data->kind == w83667hg_b) { |
| 1408 | data->REG_FAN_MAX_OUTPUT = |
| 1409 | W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B; |
| 1410 | data->REG_FAN_STEP_OUTPUT = |
| 1411 | W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B; |
| 1412 | } else { |
| 1413 | data->REG_FAN_MAX_OUTPUT = |
| 1414 | W83627EHF_REG_FAN_MAX_OUTPUT_COMMON; |
| 1415 | data->REG_FAN_STEP_OUTPUT = |
| 1416 | W83627EHF_REG_FAN_STEP_OUTPUT_COMMON; |
| 1417 | } |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1418 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1419 | /* Initialize the chip */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1420 | w83627ehf_init_device(data); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1421 | |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 1422 | data->vrm = vid_which_vrm(); |
| 1423 | superio_enter(sio_data->sioreg); |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 1424 | /* Read VID value */ |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1425 | if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) { |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1426 | /* W83667HG has different pins for VID input and output, so |
| 1427 | we can get the VID input values directly at logical device D |
| 1428 | 0xe3. */ |
| 1429 | superio_select(sio_data->sioreg, W83667HG_LD_VID); |
| 1430 | data->vid = superio_inb(sio_data->sioreg, 0xe3); |
Jean Delvare | cbe311f | 2008-01-03 21:22:44 +0100 | [diff] [blame] | 1431 | err = device_create_file(dev, &dev_attr_cpu0_vid); |
| 1432 | if (err) |
| 1433 | goto exit_release; |
Jean Delvare | 58e6e78 | 2008-01-03 07:33:31 -0500 | [diff] [blame] | 1434 | } else { |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1435 | superio_select(sio_data->sioreg, W83627EHF_LD_HWM); |
| 1436 | if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) { |
| 1437 | /* Set VID input sensibility if needed. In theory the |
| 1438 | BIOS should have set it, but in practice it's not |
| 1439 | always the case. We only do it for the W83627EHF/EHG |
| 1440 | because the W83627DHG is more complex in this |
| 1441 | respect. */ |
| 1442 | if (sio_data->kind == w83627ehf) { |
| 1443 | en_vrm10 = superio_inb(sio_data->sioreg, |
| 1444 | SIO_REG_EN_VRM10); |
| 1445 | if ((en_vrm10 & 0x08) && data->vrm == 90) { |
| 1446 | dev_warn(dev, "Setting VID input " |
| 1447 | "voltage to TTL\n"); |
| 1448 | superio_outb(sio_data->sioreg, |
| 1449 | SIO_REG_EN_VRM10, |
| 1450 | en_vrm10 & ~0x08); |
| 1451 | } else if (!(en_vrm10 & 0x08) |
| 1452 | && data->vrm == 100) { |
| 1453 | dev_warn(dev, "Setting VID input " |
| 1454 | "voltage to VRM10\n"); |
| 1455 | superio_outb(sio_data->sioreg, |
| 1456 | SIO_REG_EN_VRM10, |
| 1457 | en_vrm10 | 0x08); |
| 1458 | } |
| 1459 | } |
| 1460 | |
| 1461 | data->vid = superio_inb(sio_data->sioreg, |
| 1462 | SIO_REG_VID_DATA); |
| 1463 | if (sio_data->kind == w83627ehf) /* 6 VID pins only */ |
| 1464 | data->vid &= 0x3f; |
| 1465 | |
| 1466 | err = device_create_file(dev, &dev_attr_cpu0_vid); |
| 1467 | if (err) |
| 1468 | goto exit_release; |
| 1469 | } else { |
| 1470 | dev_info(dev, "VID pins in output mode, CPU VID not " |
| 1471 | "available\n"); |
| 1472 | } |
Jean Delvare | fc18d6c | 2007-06-24 11:19:42 +0200 | [diff] [blame] | 1473 | } |
| 1474 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1475 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1476 | if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) { |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1477 | fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20; |
| 1478 | fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40; |
| 1479 | } else { |
| 1480 | fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02); |
| 1481 | fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06); |
| 1482 | } |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1483 | superio_exit(sio_data->sioreg); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1484 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1485 | /* It looks like fan4 and fan5 pins can be alternatively used |
Rudolf Marek | 14992c7 | 2006-10-08 22:02:09 +0200 | [diff] [blame] | 1486 | as fan on/off switches, but fan5 control is write only :/ |
| 1487 | We assume that if the serial interface is disabled, designers |
| 1488 | connected fan5 as input unless they are emitting log 1, which |
| 1489 | is not the default. */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1490 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1491 | data->has_fan = 0x07; /* fan1, fan2 and fan3 */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1492 | i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1); |
Jean Delvare | 1704b26 | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1493 | if ((i & (1 << 2)) && fan4pin) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1494 | data->has_fan |= (1 << 3); |
Jean Delvare | 1704b26 | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1495 | if (!(i & (1 << 1)) && fan5pin) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1496 | data->has_fan |= (1 << 4); |
| 1497 | |
Mark M. Hoffman | ea7be66 | 2007-08-05 12:19:01 -0400 | [diff] [blame] | 1498 | /* Read fan clock dividers immediately */ |
| 1499 | w83627ehf_update_fan_div(data); |
| 1500 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1501 | /* Register sysfs hooks */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1502 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1503 | if ((err = device_create_file(dev, |
| 1504 | &sda_sf3_arrays[i].dev_attr))) |
| 1505 | goto exit_remove; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1506 | |
Guenter Roeck | da2e025 | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1507 | for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) { |
| 1508 | struct sensor_device_attribute *attr = |
| 1509 | &sda_sf3_max_step_arrays[i]; |
| 1510 | if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) { |
| 1511 | err = device_create_file(dev, &attr->dev_attr); |
| 1512 | if (err) |
| 1513 | goto exit_remove; |
| 1514 | } |
| 1515 | } |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1516 | /* if fan4 is enabled create the sf3 files for it */ |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1517 | if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4) |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1518 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) { |
| 1519 | if ((err = device_create_file(dev, |
| 1520 | &sda_sf3_arrays_fan4[i].dev_attr))) |
| 1521 | goto exit_remove; |
| 1522 | } |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1523 | |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1524 | for (i = 0; i < data->in_num; i++) { |
| 1525 | if ((i == 6) && data->in6_skip) |
| 1526 | continue; |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1527 | if ((err = device_create_file(dev, &sda_in_input[i].dev_attr)) |
| 1528 | || (err = device_create_file(dev, |
| 1529 | &sda_in_alarm[i].dev_attr)) |
| 1530 | || (err = device_create_file(dev, |
| 1531 | &sda_in_min[i].dev_attr)) |
| 1532 | || (err = device_create_file(dev, |
| 1533 | &sda_in_max[i].dev_attr))) |
| 1534 | goto exit_remove; |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1535 | } |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 1536 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1537 | for (i = 0; i < 5; i++) { |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1538 | if (data->has_fan & (1 << i)) { |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1539 | if ((err = device_create_file(dev, |
| 1540 | &sda_fan_input[i].dev_attr)) |
| 1541 | || (err = device_create_file(dev, |
| 1542 | &sda_fan_alarm[i].dev_attr)) |
| 1543 | || (err = device_create_file(dev, |
| 1544 | &sda_fan_div[i].dev_attr)) |
| 1545 | || (err = device_create_file(dev, |
| 1546 | &sda_fan_min[i].dev_attr))) |
| 1547 | goto exit_remove; |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1548 | if (i < data->pwm_num && |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1549 | ((err = device_create_file(dev, |
| 1550 | &sda_pwm[i].dev_attr)) |
| 1551 | || (err = device_create_file(dev, |
| 1552 | &sda_pwm_mode[i].dev_attr)) |
| 1553 | || (err = device_create_file(dev, |
| 1554 | &sda_pwm_enable[i].dev_attr)) |
| 1555 | || (err = device_create_file(dev, |
| 1556 | &sda_target_temp[i].dev_attr)) |
| 1557 | || (err = device_create_file(dev, |
| 1558 | &sda_tolerance[i].dev_attr)))) |
| 1559 | goto exit_remove; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1560 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1561 | } |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame] | 1562 | |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1563 | for (i = 0; i < 3; i++) { |
| 1564 | if ((i == 2) && data->temp3_disable) |
| 1565 | continue; |
| 1566 | if ((err = device_create_file(dev, |
| 1567 | &sda_temp_input[i].dev_attr)) |
| 1568 | || (err = device_create_file(dev, |
| 1569 | &sda_temp_max[i].dev_attr)) |
| 1570 | || (err = device_create_file(dev, |
| 1571 | &sda_temp_max_hyst[i].dev_attr)) |
| 1572 | || (err = device_create_file(dev, |
| 1573 | &sda_temp_alarm[i].dev_attr)) |
| 1574 | || (err = device_create_file(dev, |
| 1575 | &sda_temp_type[i].dev_attr))) |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1576 | goto exit_remove; |
Gong Jun | a157d06 | 2009-03-30 21:46:43 +0200 | [diff] [blame] | 1577 | } |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1578 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1579 | err = device_create_file(dev, &dev_attr_name); |
| 1580 | if (err) |
| 1581 | goto exit_remove; |
| 1582 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 1583 | data->hwmon_dev = hwmon_device_register(dev); |
| 1584 | if (IS_ERR(data->hwmon_dev)) { |
| 1585 | err = PTR_ERR(data->hwmon_dev); |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1586 | goto exit_remove; |
| 1587 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1588 | |
| 1589 | return 0; |
| 1590 | |
David Hubbard | c18beb5 | 2006-09-24 21:04:38 +0200 | [diff] [blame] | 1591 | exit_remove: |
| 1592 | w83627ehf_device_remove_files(dev); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1593 | kfree(data); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1594 | platform_set_drvdata(pdev, NULL); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1595 | exit_release: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1596 | release_region(res->start, IOREGION_LENGTH); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1597 | exit: |
| 1598 | return err; |
| 1599 | } |
| 1600 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1601 | static int __devexit w83627ehf_remove(struct platform_device *pdev) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1602 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1603 | struct w83627ehf_data *data = platform_get_drvdata(pdev); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1604 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 1605 | hwmon_device_unregister(data->hwmon_dev); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1606 | w83627ehf_device_remove_files(&pdev->dev); |
| 1607 | release_region(data->addr, IOREGION_LENGTH); |
| 1608 | platform_set_drvdata(pdev, NULL); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1609 | kfree(data); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1610 | |
| 1611 | return 0; |
| 1612 | } |
| 1613 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1614 | static struct platform_driver w83627ehf_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1615 | .driver = { |
Jean Delvare | 8721884 | 2006-09-03 22:36:14 +0200 | [diff] [blame] | 1616 | .owner = THIS_MODULE, |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1617 | .name = DRVNAME, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1618 | }, |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1619 | .probe = w83627ehf_probe, |
| 1620 | .remove = __devexit_p(w83627ehf_remove), |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1621 | }; |
| 1622 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1623 | /* w83627ehf_find() looks for a '627 in the Super-I/O config space */ |
| 1624 | static int __init w83627ehf_find(int sioaddr, unsigned short *addr, |
| 1625 | struct w83627ehf_sio_data *sio_data) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1626 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1627 | static const char __initdata sio_name_W83627EHF[] = "W83627EHF"; |
| 1628 | static const char __initdata sio_name_W83627EHG[] = "W83627EHG"; |
| 1629 | static const char __initdata sio_name_W83627DHG[] = "W83627DHG"; |
Jean Delvare | c1e48dc | 2009-06-15 18:39:50 +0200 | [diff] [blame] | 1630 | static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P"; |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1631 | static const char __initdata sio_name_W83667HG[] = "W83667HG"; |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1632 | static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B"; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1633 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1634 | u16 val; |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1635 | const char *sio_name; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1636 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1637 | superio_enter(sioaddr); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1638 | |
Jean Delvare | 67b671b | 2007-12-06 23:13:42 +0100 | [diff] [blame] | 1639 | if (force_id) |
| 1640 | val = force_id; |
| 1641 | else |
| 1642 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
| 1643 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 1644 | switch (val & SIO_ID_MASK) { |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 1645 | case SIO_W83627EHF_ID: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1646 | sio_data->kind = w83627ehf; |
| 1647 | sio_name = sio_name_W83627EHF; |
| 1648 | break; |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 1649 | case SIO_W83627EHG_ID: |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1650 | sio_data->kind = w83627ehf; |
| 1651 | sio_name = sio_name_W83627EHG; |
| 1652 | break; |
| 1653 | case SIO_W83627DHG_ID: |
| 1654 | sio_data->kind = w83627dhg; |
| 1655 | sio_name = sio_name_W83627DHG; |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 1656 | break; |
Jean Delvare | c1e48dc | 2009-06-15 18:39:50 +0200 | [diff] [blame] | 1657 | case SIO_W83627DHG_P_ID: |
| 1658 | sio_data->kind = w83627dhg_p; |
| 1659 | sio_name = sio_name_W83627DHG_P; |
| 1660 | break; |
Gong Jun | 237c8d2f | 2009-03-30 21:46:42 +0200 | [diff] [blame] | 1661 | case SIO_W83667HG_ID: |
| 1662 | sio_data->kind = w83667hg; |
| 1663 | sio_name = sio_name_W83667HG; |
| 1664 | break; |
Guenter Roeck | c39aeda | 2010-08-14 21:08:55 +0200 | [diff] [blame] | 1665 | case SIO_W83667HG_B_ID: |
| 1666 | sio_data->kind = w83667hg_b; |
| 1667 | sio_name = sio_name_W83667HG_B; |
| 1668 | break; |
David Hubbard | 657c93b | 2007-02-14 21:15:04 +0100 | [diff] [blame] | 1669 | default: |
Jean Delvare | 9f66036 | 2007-06-24 11:23:41 +0200 | [diff] [blame] | 1670 | if (val != 0xffff) |
| 1671 | pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n", |
| 1672 | val); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1673 | superio_exit(sioaddr); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1674 | return -ENODEV; |
| 1675 | } |
| 1676 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1677 | /* We have a known chip, find the HWM I/O address */ |
| 1678 | superio_select(sioaddr, W83627EHF_LD_HWM); |
| 1679 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) |
| 1680 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); |
Jean Delvare | 1a641fc | 2007-04-23 14:41:16 -0700 | [diff] [blame] | 1681 | *addr = val & IOREGION_ALIGNMENT; |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1682 | if (*addr == 0) { |
David Hubbard | 475ef85 | 2007-06-24 11:17:09 +0200 | [diff] [blame] | 1683 | printk(KERN_ERR DRVNAME ": Refusing to enable a Super-I/O " |
| 1684 | "device with a base I/O port 0.\n"); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1685 | superio_exit(sioaddr); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1686 | return -ENODEV; |
| 1687 | } |
| 1688 | |
| 1689 | /* Activate logical device if needed */ |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1690 | val = superio_inb(sioaddr, SIO_REG_ENABLE); |
David Hubbard | 475ef85 | 2007-06-24 11:17:09 +0200 | [diff] [blame] | 1691 | if (!(val & 0x01)) { |
| 1692 | printk(KERN_WARNING DRVNAME ": Forcibly enabling Super-I/O. " |
| 1693 | "Sensor is probably unusable.\n"); |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1694 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); |
David Hubbard | 475ef85 | 2007-06-24 11:17:09 +0200 | [diff] [blame] | 1695 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1696 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1697 | superio_exit(sioaddr); |
| 1698 | pr_info(DRVNAME ": Found %s chip at %#x\n", sio_name, *addr); |
| 1699 | sio_data->sioreg = sioaddr; |
| 1700 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1701 | return 0; |
| 1702 | } |
| 1703 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1704 | /* when Super-I/O functions move to a separate file, the Super-I/O |
| 1705 | * bus will manage the lifetime of the device and this module will only keep |
| 1706 | * track of the w83627ehf driver. But since we platform_device_alloc(), we |
| 1707 | * must keep track of the device */ |
| 1708 | static struct platform_device *pdev; |
| 1709 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1710 | static int __init sensors_w83627ehf_init(void) |
| 1711 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1712 | int err; |
| 1713 | unsigned short address; |
| 1714 | struct resource res; |
| 1715 | struct w83627ehf_sio_data sio_data; |
| 1716 | |
| 1717 | /* initialize sio_data->kind and sio_data->sioreg. |
| 1718 | * |
| 1719 | * when Super-I/O functions move to a separate file, the Super-I/O |
| 1720 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a |
| 1721 | * w83627ehf hardware monitor, and call probe() */ |
| 1722 | if (w83627ehf_find(0x2e, &address, &sio_data) && |
| 1723 | w83627ehf_find(0x4e, &address, &sio_data)) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1724 | return -ENODEV; |
| 1725 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1726 | err = platform_driver_register(&w83627ehf_driver); |
| 1727 | if (err) |
| 1728 | goto exit; |
| 1729 | |
| 1730 | if (!(pdev = platform_device_alloc(DRVNAME, address))) { |
| 1731 | err = -ENOMEM; |
| 1732 | printk(KERN_ERR DRVNAME ": Device allocation failed\n"); |
| 1733 | goto exit_unregister; |
| 1734 | } |
| 1735 | |
| 1736 | err = platform_device_add_data(pdev, &sio_data, |
| 1737 | sizeof(struct w83627ehf_sio_data)); |
| 1738 | if (err) { |
| 1739 | printk(KERN_ERR DRVNAME ": Platform data allocation failed\n"); |
| 1740 | goto exit_device_put; |
| 1741 | } |
| 1742 | |
| 1743 | memset(&res, 0, sizeof(res)); |
| 1744 | res.name = DRVNAME; |
| 1745 | res.start = address + IOREGION_OFFSET; |
| 1746 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; |
| 1747 | res.flags = IORESOURCE_IO; |
Jean Delvare | b9acb64 | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 1748 | |
| 1749 | err = acpi_check_resource_conflict(&res); |
| 1750 | if (err) |
Hans de Goede | 18632f8 | 2009-02-17 19:59:54 +0100 | [diff] [blame] | 1751 | goto exit_device_put; |
Jean Delvare | b9acb64 | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 1752 | |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1753 | err = platform_device_add_resources(pdev, &res, 1); |
| 1754 | if (err) { |
| 1755 | printk(KERN_ERR DRVNAME ": Device resource addition failed " |
| 1756 | "(%d)\n", err); |
| 1757 | goto exit_device_put; |
| 1758 | } |
| 1759 | |
| 1760 | /* platform_device_add calls probe() */ |
| 1761 | err = platform_device_add(pdev); |
| 1762 | if (err) { |
| 1763 | printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n", |
| 1764 | err); |
| 1765 | goto exit_device_put; |
| 1766 | } |
| 1767 | |
| 1768 | return 0; |
| 1769 | |
| 1770 | exit_device_put: |
| 1771 | platform_device_put(pdev); |
| 1772 | exit_unregister: |
| 1773 | platform_driver_unregister(&w83627ehf_driver); |
| 1774 | exit: |
| 1775 | return err; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1776 | } |
| 1777 | |
| 1778 | static void __exit sensors_w83627ehf_exit(void) |
| 1779 | { |
David Hubbard | 1ea6dd3 | 2007-06-24 11:16:15 +0200 | [diff] [blame] | 1780 | platform_device_unregister(pdev); |
| 1781 | platform_driver_unregister(&w83627ehf_driver); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1782 | } |
| 1783 | |
| 1784 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); |
| 1785 | MODULE_DESCRIPTION("W83627EHF driver"); |
| 1786 | MODULE_LICENSE("GPL"); |
| 1787 | |
| 1788 | module_init(sensors_w83627ehf_init); |
| 1789 | module_exit(sensors_w83627ehf_exit); |