Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | sis5595.c - Part of lm_sensors, Linux kernel modules |
| 3 | for hardware monitoring |
| 4 | |
| 5 | Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, |
Jan Engelhardt | 96de0e2 | 2007-10-19 23:21:04 +0200 | [diff] [blame] | 6 | Kyösti Mälkki <kmalkki@cc.hut.fi>, and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | Mark D. Studebaker <mdsxyz123@yahoo.com> |
| 8 | Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with |
| 9 | the help of Jean Delvare <khali@linux-fr.org> |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software |
| 23 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | SiS southbridge has a LM78-like chip integrated on the same IC. |
| 28 | This driver is a customized copy of lm78.c |
| 29 | |
| 30 | Supports following revisions: |
| 31 | Version PCI ID PCI Revision |
| 32 | 1 1039/0008 AF or less |
| 33 | 2 1039/0008 B0 or greater |
| 34 | |
| 35 | Note: these chips contain a 0008 device which is incompatible with the |
| 36 | 5595. We recognize these by the presence of the listed |
| 37 | "blacklist" PCI ID and refuse to load. |
| 38 | |
| 39 | NOT SUPPORTED PCI ID BLACKLIST PCI ID |
| 40 | 540 0008 0540 |
| 41 | 550 0008 0550 |
| 42 | 5513 0008 5511 |
| 43 | 5581 0008 5597 |
| 44 | 5582 0008 5597 |
| 45 | 5597 0008 5597 |
| 46 | 5598 0008 5597/5598 |
| 47 | 630 0008 0630 |
| 48 | 645 0008 0645 |
| 49 | 730 0008 0730 |
| 50 | 735 0008 0735 |
| 51 | */ |
| 52 | |
| 53 | #include <linux/module.h> |
| 54 | #include <linux/slab.h> |
| 55 | #include <linux/ioport.h> |
| 56 | #include <linux/pci.h> |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 57 | #include <linux/platform_device.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 58 | #include <linux/hwmon.h> |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 59 | #include <linux/hwmon-sysfs.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 60 | #include <linux/err.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #include <linux/init.h> |
Dominik Hackl | ff32409 | 2005-05-16 18:12:18 +0200 | [diff] [blame] | 62 | #include <linux/jiffies.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 63 | #include <linux/mutex.h> |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 64 | #include <linux/sysfs.h> |
Jean Delvare | b9acb64 | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 65 | #include <linux/acpi.h> |
H Hartley Sweeten | 6055fae | 2009-09-15 17:18:13 +0200 | [diff] [blame] | 66 | #include <linux/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
| 68 | |
| 69 | /* If force_addr is set to anything different from 0, we forcibly enable |
| 70 | the device at the given address. */ |
| 71 | static u16 force_addr; |
| 72 | module_param(force_addr, ushort, 0); |
| 73 | MODULE_PARM_DESC(force_addr, |
| 74 | "Initialize the base address of the sensors"); |
| 75 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 76 | static struct platform_device *pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | /* Many SIS5595 constants specified below */ |
| 79 | |
| 80 | /* Length of ISA address segment */ |
| 81 | #define SIS5595_EXTENT 8 |
| 82 | /* PCI Config Registers */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | #define SIS5595_BASE_REG 0x68 |
| 84 | #define SIS5595_PIN_REG 0x7A |
| 85 | #define SIS5595_ENABLE_REG 0x7B |
| 86 | |
| 87 | /* Where are the ISA address/data registers relative to the base address */ |
| 88 | #define SIS5595_ADDR_REG_OFFSET 5 |
| 89 | #define SIS5595_DATA_REG_OFFSET 6 |
| 90 | |
| 91 | /* The SIS5595 registers */ |
| 92 | #define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2) |
| 93 | #define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2) |
| 94 | #define SIS5595_REG_IN(nr) (0x20 + (nr)) |
| 95 | |
| 96 | #define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr)) |
| 97 | #define SIS5595_REG_FAN(nr) (0x28 + (nr)) |
| 98 | |
| 99 | /* On the first version of the chip, the temp registers are separate. |
| 100 | On the second version, |
| 101 | TEMP pin is shared with IN4, configured in PCI register 0x7A. |
| 102 | The registers are the same as well. |
| 103 | OVER and HYST are really MAX and MIN. */ |
| 104 | |
| 105 | #define REV2MIN 0xb0 |
| 106 | #define SIS5595_REG_TEMP (( data->revision) >= REV2MIN) ? \ |
| 107 | SIS5595_REG_IN(4) : 0x27 |
| 108 | #define SIS5595_REG_TEMP_OVER (( data->revision) >= REV2MIN) ? \ |
| 109 | SIS5595_REG_IN_MAX(4) : 0x39 |
| 110 | #define SIS5595_REG_TEMP_HYST (( data->revision) >= REV2MIN) ? \ |
| 111 | SIS5595_REG_IN_MIN(4) : 0x3a |
| 112 | |
| 113 | #define SIS5595_REG_CONFIG 0x40 |
| 114 | #define SIS5595_REG_ALARM1 0x41 |
| 115 | #define SIS5595_REG_ALARM2 0x42 |
| 116 | #define SIS5595_REG_FANDIV 0x47 |
| 117 | |
| 118 | /* Conversions. Limit checking is only done on the TO_REG |
| 119 | variants. */ |
| 120 | |
| 121 | /* IN: mV, (0V to 4.08V) |
| 122 | REG: 16mV/bit */ |
| 123 | static inline u8 IN_TO_REG(unsigned long val) |
| 124 | { |
| 125 | unsigned long nval = SENSORS_LIMIT(val, 0, 4080); |
| 126 | return (nval + 8) / 16; |
| 127 | } |
| 128 | #define IN_FROM_REG(val) ((val) * 16) |
| 129 | |
| 130 | static inline u8 FAN_TO_REG(long rpm, int div) |
| 131 | { |
| 132 | if (rpm <= 0) |
| 133 | return 255; |
| 134 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); |
| 135 | } |
| 136 | |
| 137 | static inline int FAN_FROM_REG(u8 val, int div) |
| 138 | { |
| 139 | return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div); |
| 140 | } |
| 141 | |
| 142 | /* TEMP: mC (-54.12C to +157.53C) |
| 143 | REG: 0.83C/bit + 52.12, two's complement */ |
| 144 | static inline int TEMP_FROM_REG(s8 val) |
| 145 | { |
| 146 | return val * 830 + 52120; |
| 147 | } |
| 148 | static inline s8 TEMP_TO_REG(int val) |
| 149 | { |
| 150 | int nval = SENSORS_LIMIT(val, -54120, 157530) ; |
| 151 | return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830; |
| 152 | } |
| 153 | |
| 154 | /* FAN DIV: 1, 2, 4, or 8 (defaults to 2) |
| 155 | REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */ |
| 156 | static inline u8 DIV_TO_REG(int val) |
| 157 | { |
| 158 | return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1; |
| 159 | } |
| 160 | #define DIV_FROM_REG(val) (1 << (val)) |
| 161 | |
Jean Delvare | ed6bafb | 2007-02-14 21:15:03 +0100 | [diff] [blame] | 162 | /* For each registered chip, we need to keep some data in memory. |
| 163 | The structure is dynamically allocated. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | struct sis5595_data { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 165 | unsigned short addr; |
| 166 | const char *name; |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 167 | struct device *hwmon_dev; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 168 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 170 | struct mutex update_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | char valid; /* !=0 if following fields are valid */ |
| 172 | unsigned long last_updated; /* In jiffies */ |
| 173 | char maxins; /* == 3 if temp enabled, otherwise == 4 */ |
| 174 | u8 revision; /* Reg. value */ |
| 175 | |
| 176 | u8 in[5]; /* Register value */ |
| 177 | u8 in_max[5]; /* Register value */ |
| 178 | u8 in_min[5]; /* Register value */ |
| 179 | u8 fan[2]; /* Register value */ |
| 180 | u8 fan_min[2]; /* Register value */ |
| 181 | s8 temp; /* Register value */ |
| 182 | s8 temp_over; /* Register value */ |
| 183 | s8 temp_hyst; /* Register value */ |
| 184 | u8 fan_div[2]; /* Register encoding, shifted right */ |
| 185 | u16 alarms; /* Register encoding, combined */ |
| 186 | }; |
| 187 | |
| 188 | static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */ |
| 189 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 190 | static int sis5595_probe(struct platform_device *pdev); |
Jean Delvare | d054612 | 2007-07-22 12:09:48 +0200 | [diff] [blame] | 191 | static int __devexit sis5595_remove(struct platform_device *pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 193 | static int sis5595_read_value(struct sis5595_data *data, u8 reg); |
| 194 | static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | static struct sis5595_data *sis5595_update_device(struct device *dev); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 196 | static void sis5595_init_device(struct sis5595_data *data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 198 | static struct platform_driver sis5595_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 199 | .driver = { |
Jean Delvare | 8721884 | 2006-09-03 22:36:14 +0200 | [diff] [blame] | 200 | .owner = THIS_MODULE, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 201 | .name = "sis5595", |
| 202 | }, |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 203 | .probe = sis5595_probe, |
| 204 | .remove = __devexit_p(sis5595_remove), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | }; |
| 206 | |
| 207 | /* 4 Voltages */ |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 208 | static ssize_t show_in(struct device *dev, struct device_attribute *da, |
| 209 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | { |
| 211 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 212 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 213 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr])); |
| 215 | } |
| 216 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 217 | static ssize_t show_in_min(struct device *dev, struct device_attribute *da, |
| 218 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | { |
| 220 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 221 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 222 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr])); |
| 224 | } |
| 225 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 226 | static ssize_t show_in_max(struct device *dev, struct device_attribute *da, |
| 227 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | { |
| 229 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 230 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 231 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr])); |
| 233 | } |
| 234 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 235 | static ssize_t set_in_min(struct device *dev, struct device_attribute *da, |
| 236 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 238 | struct sis5595_data *data = dev_get_drvdata(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 239 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 240 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 242 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 243 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | data->in_min[nr] = IN_TO_REG(val); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 245 | sis5595_write_value(data, SIS5595_REG_IN_MIN(nr), data->in_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 246 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | return count; |
| 248 | } |
| 249 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 250 | static ssize_t set_in_max(struct device *dev, struct device_attribute *da, |
| 251 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 253 | struct sis5595_data *data = dev_get_drvdata(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 254 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 255 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 257 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 258 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | data->in_max[nr] = IN_TO_REG(val); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 260 | sis5595_write_value(data, SIS5595_REG_IN_MAX(nr), data->in_max[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 261 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | return count; |
| 263 | } |
| 264 | |
| 265 | #define show_in_offset(offset) \ |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 266 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
| 267 | show_in, NULL, offset); \ |
| 268 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ |
| 269 | show_in_min, set_in_min, offset); \ |
| 270 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ |
| 271 | show_in_max, set_in_max, offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | |
| 273 | show_in_offset(0); |
| 274 | show_in_offset(1); |
| 275 | show_in_offset(2); |
| 276 | show_in_offset(3); |
| 277 | show_in_offset(4); |
| 278 | |
| 279 | /* Temperature */ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 280 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | { |
| 282 | struct sis5595_data *data = sis5595_update_device(dev); |
| 283 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp)); |
| 284 | } |
| 285 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 286 | static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | { |
| 288 | struct sis5595_data *data = sis5595_update_device(dev); |
| 289 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over)); |
| 290 | } |
| 291 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 292 | static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 294 | struct sis5595_data *data = dev_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | long val = simple_strtol(buf, NULL, 10); |
| 296 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 297 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | data->temp_over = TEMP_TO_REG(val); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 299 | sis5595_write_value(data, SIS5595_REG_TEMP_OVER, data->temp_over); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 300 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | return count; |
| 302 | } |
| 303 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 304 | static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | { |
| 306 | struct sis5595_data *data = sis5595_update_device(dev); |
| 307 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst)); |
| 308 | } |
| 309 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 310 | static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 312 | struct sis5595_data *data = dev_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | long val = simple_strtol(buf, NULL, 10); |
| 314 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 315 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | data->temp_hyst = TEMP_TO_REG(val); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 317 | sis5595_write_value(data, SIS5595_REG_TEMP_HYST, data->temp_hyst); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 318 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | return count; |
| 320 | } |
| 321 | |
| 322 | static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); |
| 323 | static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, |
| 324 | show_temp_over, set_temp_over); |
| 325 | static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, |
| 326 | show_temp_hyst, set_temp_hyst); |
| 327 | |
| 328 | /* 2 Fans */ |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 329 | static ssize_t show_fan(struct device *dev, struct device_attribute *da, |
| 330 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | { |
| 332 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 333 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 334 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], |
| 336 | DIV_FROM_REG(data->fan_div[nr])) ); |
| 337 | } |
| 338 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 339 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *da, |
| 340 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | { |
| 342 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 343 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 344 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr], |
| 346 | DIV_FROM_REG(data->fan_div[nr])) ); |
| 347 | } |
| 348 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 349 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *da, |
| 350 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 352 | struct sis5595_data *data = dev_get_drvdata(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 353 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 354 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 356 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 357 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 359 | sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 360 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | return count; |
| 362 | } |
| 363 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 364 | static ssize_t show_fan_div(struct device *dev, struct device_attribute *da, |
| 365 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | { |
| 367 | struct sis5595_data *data = sis5595_update_device(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 368 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 369 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) ); |
| 371 | } |
| 372 | |
| 373 | /* Note: we save and restore the fan minimum here, because its value is |
| 374 | determined in part by the fan divisor. This follows the principle of |
Andreas Mohr | d6e05ed | 2006-06-26 18:35:02 +0200 | [diff] [blame] | 375 | least surprise; the user doesn't expect the fan minimum to change just |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | because the divisor changed. */ |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 377 | static ssize_t set_fan_div(struct device *dev, struct device_attribute *da, |
| 378 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 380 | struct sis5595_data *data = dev_get_drvdata(dev); |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 381 | struct sensor_device_attribute *attr = to_sensor_dev_attr(da); |
| 382 | int nr = attr->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | unsigned long min; |
| 384 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 385 | int reg; |
| 386 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 387 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | min = FAN_FROM_REG(data->fan_min[nr], |
| 389 | DIV_FROM_REG(data->fan_div[nr])); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 390 | reg = sis5595_read_value(data, SIS5595_REG_FANDIV); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | |
| 392 | switch (val) { |
| 393 | case 1: data->fan_div[nr] = 0; break; |
| 394 | case 2: data->fan_div[nr] = 1; break; |
| 395 | case 4: data->fan_div[nr] = 2; break; |
| 396 | case 8: data->fan_div[nr] = 3; break; |
| 397 | default: |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 398 | dev_err(dev, "fan_div value %ld not " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | "supported. Choose one of 1, 2, 4 or 8!\n", val); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 400 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | return -EINVAL; |
| 402 | } |
| 403 | |
| 404 | switch (nr) { |
| 405 | case 0: |
| 406 | reg = (reg & 0xcf) | (data->fan_div[nr] << 4); |
| 407 | break; |
| 408 | case 1: |
| 409 | reg = (reg & 0x3f) | (data->fan_div[nr] << 6); |
| 410 | break; |
| 411 | } |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 412 | sis5595_write_value(data, SIS5595_REG_FANDIV, reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | data->fan_min[nr] = |
| 414 | FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 415 | sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 416 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | return count; |
| 418 | } |
| 419 | |
| 420 | #define show_fan_offset(offset) \ |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 421 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ |
| 422 | show_fan, NULL, offset - 1); \ |
| 423 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 424 | show_fan_min, set_fan_min, offset - 1); \ |
| 425 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ |
| 426 | show_fan_div, set_fan_div, offset - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | |
| 428 | show_fan_offset(1); |
| 429 | show_fan_offset(2); |
| 430 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | /* Alarms */ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 432 | static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | { |
| 434 | struct sis5595_data *data = sis5595_update_device(dev); |
| 435 | return sprintf(buf, "%d\n", data->alarms); |
| 436 | } |
| 437 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 438 | |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 439 | static ssize_t show_alarm(struct device *dev, struct device_attribute *da, |
| 440 | char *buf) |
| 441 | { |
| 442 | struct sis5595_data *data = sis5595_update_device(dev); |
| 443 | int nr = to_sensor_dev_attr(da)->index; |
| 444 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 1); |
| 445 | } |
| 446 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); |
| 447 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); |
| 448 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); |
| 449 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); |
| 450 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 15); |
| 451 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); |
| 452 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); |
| 453 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 15); |
| 454 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 455 | static ssize_t show_name(struct device *dev, struct device_attribute *attr, |
| 456 | char *buf) |
| 457 | { |
| 458 | struct sis5595_data *data = dev_get_drvdata(dev); |
| 459 | return sprintf(buf, "%s\n", data->name); |
| 460 | } |
| 461 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
| 462 | |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 463 | static struct attribute *sis5595_attributes[] = { |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 464 | &sensor_dev_attr_in0_input.dev_attr.attr, |
| 465 | &sensor_dev_attr_in0_min.dev_attr.attr, |
| 466 | &sensor_dev_attr_in0_max.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 467 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 468 | &sensor_dev_attr_in1_input.dev_attr.attr, |
| 469 | &sensor_dev_attr_in1_min.dev_attr.attr, |
| 470 | &sensor_dev_attr_in1_max.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 471 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 472 | &sensor_dev_attr_in2_input.dev_attr.attr, |
| 473 | &sensor_dev_attr_in2_min.dev_attr.attr, |
| 474 | &sensor_dev_attr_in2_max.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 475 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 476 | &sensor_dev_attr_in3_input.dev_attr.attr, |
| 477 | &sensor_dev_attr_in3_min.dev_attr.attr, |
| 478 | &sensor_dev_attr_in3_max.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 479 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 480 | |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 481 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
| 482 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
| 483 | &sensor_dev_attr_fan1_div.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 484 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 485 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
| 486 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
| 487 | &sensor_dev_attr_fan2_div.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 488 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 489 | |
| 490 | &dev_attr_alarms.attr, |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 491 | &dev_attr_name.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 492 | NULL |
| 493 | }; |
| 494 | |
| 495 | static const struct attribute_group sis5595_group = { |
| 496 | .attrs = sis5595_attributes, |
| 497 | }; |
| 498 | |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 499 | static struct attribute *sis5595_attributes_in4[] = { |
Jean Delvare | 1f5f48d | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 500 | &sensor_dev_attr_in4_input.dev_attr.attr, |
| 501 | &sensor_dev_attr_in4_min.dev_attr.attr, |
| 502 | &sensor_dev_attr_in4_max.dev_attr.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 503 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 504 | NULL |
| 505 | }; |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 506 | |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 507 | static const struct attribute_group sis5595_group_in4 = { |
| 508 | .attrs = sis5595_attributes_in4, |
| 509 | }; |
| 510 | |
| 511 | static struct attribute *sis5595_attributes_temp1[] = { |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 512 | &dev_attr_temp1_input.attr, |
| 513 | &dev_attr_temp1_max.attr, |
| 514 | &dev_attr_temp1_max_hyst.attr, |
Ivo Manca | 5c726b3 | 2007-10-15 20:50:53 +0200 | [diff] [blame] | 515 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 516 | NULL |
| 517 | }; |
| 518 | |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 519 | static const struct attribute_group sis5595_group_temp1 = { |
| 520 | .attrs = sis5595_attributes_temp1, |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 521 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | |
| 523 | /* This is called when the module is loaded */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 524 | static int __devinit sis5595_probe(struct platform_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | { |
| 526 | int err = 0; |
| 527 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | struct sis5595_data *data; |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 529 | struct resource *res; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | char val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | /* Reserve the ISA region */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 533 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| 534 | if (!request_region(res->start, SIS5595_EXTENT, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 535 | sis5595_driver.driver.name)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | err = -EBUSY; |
| 537 | goto exit; |
| 538 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 540 | if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | err = -ENOMEM; |
| 542 | goto exit_release; |
| 543 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 545 | mutex_init(&data->lock); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 546 | mutex_init(&data->update_lock); |
| 547 | data->addr = res->start; |
| 548 | data->name = "sis5595"; |
| 549 | platform_set_drvdata(pdev, data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | |
| 551 | /* Check revision and pin registers to determine whether 4 or 5 voltages */ |
Auke Kok | 7b6d1f0 | 2007-08-27 16:17:01 -0700 | [diff] [blame] | 552 | data->revision = s_bridge->revision; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | /* 4 voltages, 1 temp */ |
| 554 | data->maxins = 3; |
| 555 | if (data->revision >= REV2MIN) { |
| 556 | pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val); |
| 557 | if (!(val & 0x80)) |
| 558 | /* 5 voltages, no temps */ |
| 559 | data->maxins = 4; |
| 560 | } |
| 561 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | /* Initialize the SIS5595 chip */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 563 | sis5595_init_device(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
| 565 | /* A few vars need to be filled upon startup */ |
| 566 | for (i = 0; i < 2; i++) { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 567 | data->fan_min[i] = sis5595_read_value(data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | SIS5595_REG_FAN_MIN(i)); |
| 569 | } |
| 570 | |
| 571 | /* Register sysfs hooks */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 572 | if ((err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group))) |
| 573 | goto exit_free; |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 574 | if (data->maxins == 4) { |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 575 | if ((err = sysfs_create_group(&pdev->dev.kobj, |
| 576 | &sis5595_group_in4))) |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 577 | goto exit_remove_files; |
| 578 | } else { |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 579 | if ((err = sysfs_create_group(&pdev->dev.kobj, |
| 580 | &sis5595_group_temp1))) |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 581 | goto exit_remove_files; |
| 582 | } |
| 583 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 584 | data->hwmon_dev = hwmon_device_register(&pdev->dev); |
| 585 | if (IS_ERR(data->hwmon_dev)) { |
| 586 | err = PTR_ERR(data->hwmon_dev); |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 587 | goto exit_remove_files; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 588 | } |
| 589 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | return 0; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 591 | |
Jean Delvare | a5ebe66 | 2006-09-24 21:24:46 +0200 | [diff] [blame] | 592 | exit_remove_files: |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 593 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group); |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 594 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4); |
| 595 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | exit_free: |
| 597 | kfree(data); |
| 598 | exit_release: |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 599 | release_region(res->start, SIS5595_EXTENT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | exit: |
| 601 | return err; |
| 602 | } |
| 603 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 604 | static int __devexit sis5595_remove(struct platform_device *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 606 | struct sis5595_data *data = platform_get_drvdata(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 608 | hwmon_device_unregister(data->hwmon_dev); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 609 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group); |
Ivo Manca | 76e6386 | 2007-10-15 13:27:13 +0200 | [diff] [blame] | 610 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4); |
| 611 | sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 612 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 613 | release_region(data->addr, SIS5595_EXTENT); |
| 614 | platform_set_drvdata(pdev, NULL); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 615 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | |
| 621 | /* ISA access must be locked explicitly. */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 622 | static int sis5595_read_value(struct sis5595_data *data, u8 reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | { |
| 624 | int res; |
| 625 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 626 | mutex_lock(&data->lock); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 627 | outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET); |
| 628 | res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 629 | mutex_unlock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | return res; |
| 631 | } |
| 632 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 633 | static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 634 | { |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 635 | mutex_lock(&data->lock); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 636 | outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET); |
| 637 | outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 638 | mutex_unlock(&data->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | /* Called when we have found a new SIS5595. */ |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 642 | static void __devinit sis5595_init_device(struct sis5595_data *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 643 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 644 | u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | if (!(config & 0x01)) |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 646 | sis5595_write_value(data, SIS5595_REG_CONFIG, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 647 | (config & 0xf7) | 0x01); |
| 648 | } |
| 649 | |
| 650 | static struct sis5595_data *sis5595_update_device(struct device *dev) |
| 651 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 652 | struct sis5595_data *data = dev_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | int i; |
| 654 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 655 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | |
| 657 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
| 658 | || !data->valid) { |
| 659 | |
| 660 | for (i = 0; i <= data->maxins; i++) { |
| 661 | data->in[i] = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 662 | sis5595_read_value(data, SIS5595_REG_IN(i)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 663 | data->in_min[i] = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 664 | sis5595_read_value(data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | SIS5595_REG_IN_MIN(i)); |
| 666 | data->in_max[i] = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 667 | sis5595_read_value(data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | SIS5595_REG_IN_MAX(i)); |
| 669 | } |
| 670 | for (i = 0; i < 2; i++) { |
| 671 | data->fan[i] = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 672 | sis5595_read_value(data, SIS5595_REG_FAN(i)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | data->fan_min[i] = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 674 | sis5595_read_value(data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | SIS5595_REG_FAN_MIN(i)); |
| 676 | } |
| 677 | if (data->maxins == 3) { |
| 678 | data->temp = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 679 | sis5595_read_value(data, SIS5595_REG_TEMP); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | data->temp_over = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 681 | sis5595_read_value(data, SIS5595_REG_TEMP_OVER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | data->temp_hyst = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 683 | sis5595_read_value(data, SIS5595_REG_TEMP_HYST); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | } |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 685 | i = sis5595_read_value(data, SIS5595_REG_FANDIV); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | data->fan_div[0] = (i >> 4) & 0x03; |
| 687 | data->fan_div[1] = i >> 6; |
| 688 | data->alarms = |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 689 | sis5595_read_value(data, SIS5595_REG_ALARM1) | |
| 690 | (sis5595_read_value(data, SIS5595_REG_ALARM2) << 8); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | data->last_updated = jiffies; |
| 692 | data->valid = 1; |
| 693 | } |
| 694 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 695 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | |
| 697 | return data; |
| 698 | } |
| 699 | |
| 700 | static struct pci_device_id sis5595_pci_ids[] = { |
| 701 | { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) }, |
| 702 | { 0, } |
| 703 | }; |
| 704 | |
| 705 | MODULE_DEVICE_TABLE(pci, sis5595_pci_ids); |
| 706 | |
| 707 | static int blacklist[] __devinitdata = { |
| 708 | PCI_DEVICE_ID_SI_540, |
| 709 | PCI_DEVICE_ID_SI_550, |
| 710 | PCI_DEVICE_ID_SI_630, |
| 711 | PCI_DEVICE_ID_SI_645, |
| 712 | PCI_DEVICE_ID_SI_730, |
| 713 | PCI_DEVICE_ID_SI_735, |
| 714 | PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but |
| 715 | that ID shows up in other chips so we |
| 716 | use the 5511 ID for recognition */ |
| 717 | PCI_DEVICE_ID_SI_5597, |
| 718 | PCI_DEVICE_ID_SI_5598, |
| 719 | 0 }; |
| 720 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 721 | static int __devinit sis5595_device_add(unsigned short address) |
| 722 | { |
| 723 | struct resource res = { |
| 724 | .start = address, |
| 725 | .end = address + SIS5595_EXTENT - 1, |
| 726 | .name = "sis5595", |
| 727 | .flags = IORESOURCE_IO, |
| 728 | }; |
| 729 | int err; |
| 730 | |
Jean Delvare | b9acb64 | 2009-01-07 16:37:35 +0100 | [diff] [blame] | 731 | err = acpi_check_resource_conflict(&res); |
| 732 | if (err) |
| 733 | goto exit; |
| 734 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 735 | pdev = platform_device_alloc("sis5595", address); |
| 736 | if (!pdev) { |
| 737 | err = -ENOMEM; |
| 738 | printk(KERN_ERR "sis5595: Device allocation failed\n"); |
| 739 | goto exit; |
| 740 | } |
| 741 | |
| 742 | err = platform_device_add_resources(pdev, &res, 1); |
| 743 | if (err) { |
| 744 | printk(KERN_ERR "sis5595: Device resource addition failed " |
| 745 | "(%d)\n", err); |
| 746 | goto exit_device_put; |
| 747 | } |
| 748 | |
| 749 | err = platform_device_add(pdev); |
| 750 | if (err) { |
| 751 | printk(KERN_ERR "sis5595: Device addition failed (%d)\n", |
| 752 | err); |
| 753 | goto exit_device_put; |
| 754 | } |
| 755 | |
| 756 | return 0; |
| 757 | |
| 758 | exit_device_put: |
| 759 | platform_device_put(pdev); |
| 760 | exit: |
| 761 | return err; |
| 762 | } |
| 763 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | static int __devinit sis5595_pci_probe(struct pci_dev *dev, |
| 765 | const struct pci_device_id *id) |
| 766 | { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 767 | u16 address; |
| 768 | u8 enable; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | int *i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 770 | |
| 771 | for (i = blacklist; *i != 0; i++) { |
Mark M. Hoffman | 5460a9d | 2007-10-14 14:57:35 -0400 | [diff] [blame] | 772 | struct pci_dev *d; |
| 773 | if ((d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL))) { |
| 774 | dev_err(&d->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i); |
| 775 | pci_dev_put(d); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | return -ENODEV; |
| 777 | } |
| 778 | } |
| 779 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 780 | force_addr &= ~(SIS5595_EXTENT - 1); |
| 781 | if (force_addr) { |
| 782 | dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr); |
| 783 | pci_write_config_word(dev, SIS5595_BASE_REG, force_addr); |
| 784 | } |
| 785 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | if (PCIBIOS_SUCCESSFUL != |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 787 | pci_read_config_word(dev, SIS5595_BASE_REG, &address)) { |
| 788 | dev_err(&dev->dev, "Failed to read ISA address\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | return -ENODEV; |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 790 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 792 | address &= ~(SIS5595_EXTENT - 1); |
| 793 | if (!address) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 794 | dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n"); |
| 795 | return -ENODEV; |
| 796 | } |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 797 | if (force_addr && address != force_addr) { |
| 798 | /* doesn't work for some chips? */ |
| 799 | dev_err(&dev->dev, "Failed to force ISA address\n"); |
| 800 | return -ENODEV; |
| 801 | } |
| 802 | |
| 803 | if (PCIBIOS_SUCCESSFUL != |
| 804 | pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) { |
| 805 | dev_err(&dev->dev, "Failed to read enable register\n"); |
| 806 | return -ENODEV; |
| 807 | } |
| 808 | if (!(enable & 0x80)) { |
| 809 | if ((PCIBIOS_SUCCESSFUL != |
| 810 | pci_write_config_byte(dev, SIS5595_ENABLE_REG, |
| 811 | enable | 0x80)) |
| 812 | || (PCIBIOS_SUCCESSFUL != |
| 813 | pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) |
| 814 | || (!(enable & 0x80))) { |
| 815 | /* doesn't work for some chips! */ |
| 816 | dev_err(&dev->dev, "Failed to enable HWM device\n"); |
| 817 | return -ENODEV; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | if (platform_driver_register(&sis5595_driver)) { |
| 822 | dev_dbg(&dev->dev, "Failed to register sis5595 driver\n"); |
| 823 | goto exit; |
| 824 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 826 | s_bridge = pci_dev_get(dev); |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 827 | /* Sets global pdev as a side effect */ |
| 828 | if (sis5595_device_add(address)) |
| 829 | goto exit_unregister; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 830 | |
| 831 | /* Always return failure here. This is to allow other drivers to bind |
| 832 | * to this pci device. We don't really want to have control over the |
| 833 | * pci device, we only wanted to read as few register values from it. |
| 834 | */ |
| 835 | return -ENODEV; |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 836 | |
| 837 | exit_unregister: |
| 838 | pci_dev_put(dev); |
| 839 | platform_driver_unregister(&sis5595_driver); |
| 840 | exit: |
| 841 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | static struct pci_driver sis5595_pci_driver = { |
| 845 | .name = "sis5595", |
| 846 | .id_table = sis5595_pci_ids, |
| 847 | .probe = sis5595_pci_probe, |
| 848 | }; |
| 849 | |
| 850 | static int __init sm_sis5595_init(void) |
| 851 | { |
| 852 | return pci_register_driver(&sis5595_pci_driver); |
| 853 | } |
| 854 | |
| 855 | static void __exit sm_sis5595_exit(void) |
| 856 | { |
| 857 | pci_unregister_driver(&sis5595_pci_driver); |
| 858 | if (s_bridge != NULL) { |
Jean Delvare | 17e7dc4 | 2007-06-09 10:11:16 -0400 | [diff] [blame] | 859 | platform_device_unregister(pdev); |
| 860 | platform_driver_unregister(&sis5595_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | pci_dev_put(s_bridge); |
| 862 | s_bridge = NULL; |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>"); |
| 867 | MODULE_DESCRIPTION("SiS 5595 Sensor device"); |
| 868 | MODULE_LICENSE("GPL"); |
| 869 | |
| 870 | module_init(sm_sis5595_init); |
| 871 | module_exit(sm_sis5595_exit); |