| 1 |
62 |
marcus.erl |
/*
|
| 2 |
|
|
* vt1211.c - driver for the VIA VT1211 Super-I/O chip integrated hardware
|
| 3 |
|
|
* monitoring features
|
| 4 |
|
|
* Copyright (C) 2006 Juerg Haefliger <juergh@gmail.com>
|
| 5 |
|
|
*
|
| 6 |
|
|
* This driver is based on the driver for kernel 2.4 by Mark D. Studebaker
|
| 7 |
|
|
* and its port to kernel 2.6 by Lars Ekman.
|
| 8 |
|
|
*
|
| 9 |
|
|
* This program is free software; you can redistribute it and/or modify
|
| 10 |
|
|
* it under the terms of the GNU General Public License as published by
|
| 11 |
|
|
* the Free Software Foundation; either version 2 of the License, or
|
| 12 |
|
|
* (at your option) any later version.
|
| 13 |
|
|
*
|
| 14 |
|
|
* This program is distributed in the hope that it will be useful,
|
| 15 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 16 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 17 |
|
|
* GNU General Public License for more details.
|
| 18 |
|
|
*
|
| 19 |
|
|
* You should have received a copy of the GNU General Public License
|
| 20 |
|
|
* along with this program; if not, write to the Free Software
|
| 21 |
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
| 22 |
|
|
*/
|
| 23 |
|
|
|
| 24 |
|
|
#include <linux/module.h>
|
| 25 |
|
|
#include <linux/init.h>
|
| 26 |
|
|
#include <linux/slab.h>
|
| 27 |
|
|
#include <linux/jiffies.h>
|
| 28 |
|
|
#include <linux/platform_device.h>
|
| 29 |
|
|
#include <linux/hwmon.h>
|
| 30 |
|
|
#include <linux/hwmon-sysfs.h>
|
| 31 |
|
|
#include <linux/hwmon-vid.h>
|
| 32 |
|
|
#include <linux/err.h>
|
| 33 |
|
|
#include <linux/mutex.h>
|
| 34 |
|
|
#include <linux/ioport.h>
|
| 35 |
|
|
#include <asm/io.h>
|
| 36 |
|
|
|
| 37 |
|
|
static int uch_config = -1;
|
| 38 |
|
|
module_param(uch_config, int, 0);
|
| 39 |
|
|
MODULE_PARM_DESC(uch_config, "Initialize the universal channel configuration");
|
| 40 |
|
|
|
| 41 |
|
|
static int int_mode = -1;
|
| 42 |
|
|
module_param(int_mode, int, 0);
|
| 43 |
|
|
MODULE_PARM_DESC(int_mode, "Force the temperature interrupt mode");
|
| 44 |
|
|
|
| 45 |
|
|
static struct platform_device *pdev;
|
| 46 |
|
|
|
| 47 |
|
|
#define DRVNAME "vt1211"
|
| 48 |
|
|
|
| 49 |
|
|
/* ---------------------------------------------------------------------
|
| 50 |
|
|
* Registers
|
| 51 |
|
|
*
|
| 52 |
|
|
* The sensors are defined as follows.
|
| 53 |
|
|
*
|
| 54 |
|
|
* Sensor Voltage Mode Temp Mode Notes (from the datasheet)
|
| 55 |
|
|
* -------- ------------ --------- --------------------------
|
| 56 |
|
|
* Reading 1 temp1 Intel thermal diode
|
| 57 |
|
|
* Reading 3 temp2 Internal thermal diode
|
| 58 |
|
|
* UCH1/Reading2 in0 temp3 NTC type thermistor
|
| 59 |
|
|
* UCH2 in1 temp4 +2.5V
|
| 60 |
|
|
* UCH3 in2 temp5 VccP
|
| 61 |
|
|
* UCH4 in3 temp6 +5V
|
| 62 |
|
|
* UCH5 in4 temp7 +12V
|
| 63 |
|
|
* 3.3V in5 Internal VDD (+3.3V)
|
| 64 |
|
|
*
|
| 65 |
|
|
* --------------------------------------------------------------------- */
|
| 66 |
|
|
|
| 67 |
|
|
/* Voltages (in) numbered 0-5 (ix) */
|
| 68 |
|
|
#define VT1211_REG_IN(ix) (0x21 + (ix))
|
| 69 |
|
|
#define VT1211_REG_IN_MIN(ix) ((ix) == 0 ? 0x3e : 0x2a + 2 * (ix))
|
| 70 |
|
|
#define VT1211_REG_IN_MAX(ix) ((ix) == 0 ? 0x3d : 0x29 + 2 * (ix))
|
| 71 |
|
|
|
| 72 |
|
|
/* Temperatures (temp) numbered 0-6 (ix) */
|
| 73 |
|
|
static u8 regtemp[] = {0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25};
|
| 74 |
|
|
static u8 regtempmax[] = {0x39, 0x1d, 0x3d, 0x2b, 0x2d, 0x2f, 0x31};
|
| 75 |
|
|
static u8 regtemphyst[] = {0x3a, 0x1e, 0x3e, 0x2c, 0x2e, 0x30, 0x32};
|
| 76 |
|
|
|
| 77 |
|
|
/* Fans numbered 0-1 (ix) */
|
| 78 |
|
|
#define VT1211_REG_FAN(ix) (0x29 + (ix))
|
| 79 |
|
|
#define VT1211_REG_FAN_MIN(ix) (0x3b + (ix))
|
| 80 |
|
|
#define VT1211_REG_FAN_DIV 0x47
|
| 81 |
|
|
|
| 82 |
|
|
/* PWMs numbered 0-1 (ix) */
|
| 83 |
|
|
/* Auto points numbered 0-3 (ap) */
|
| 84 |
|
|
#define VT1211_REG_PWM(ix) (0x60 + (ix))
|
| 85 |
|
|
#define VT1211_REG_PWM_CLK 0x50
|
| 86 |
|
|
#define VT1211_REG_PWM_CTL 0x51
|
| 87 |
|
|
#define VT1211_REG_PWM_AUTO_TEMP(ap) (0x55 - (ap))
|
| 88 |
|
|
#define VT1211_REG_PWM_AUTO_PWM(ix, ap) (0x58 + 2 * (ix) - (ap))
|
| 89 |
|
|
|
| 90 |
|
|
/* Miscellaneous registers */
|
| 91 |
|
|
#define VT1211_REG_CONFIG 0x40
|
| 92 |
|
|
#define VT1211_REG_ALARM1 0x41
|
| 93 |
|
|
#define VT1211_REG_ALARM2 0x42
|
| 94 |
|
|
#define VT1211_REG_VID 0x45
|
| 95 |
|
|
#define VT1211_REG_UCH_CONFIG 0x4a
|
| 96 |
|
|
#define VT1211_REG_TEMP1_CONFIG 0x4b
|
| 97 |
|
|
#define VT1211_REG_TEMP2_CONFIG 0x4c
|
| 98 |
|
|
|
| 99 |
|
|
/* In, temp & fan alarm bits */
|
| 100 |
|
|
static const u8 bitalarmin[] = {11, 0, 1, 3, 8, 2, 9};
|
| 101 |
|
|
static const u8 bitalarmtemp[] = {4, 15, 11, 0, 1, 3, 8};
|
| 102 |
|
|
static const u8 bitalarmfan[] = {6, 7};
|
| 103 |
|
|
|
| 104 |
|
|
/* ---------------------------------------------------------------------
|
| 105 |
|
|
* Data structures and manipulation thereof
|
| 106 |
|
|
* --------------------------------------------------------------------- */
|
| 107 |
|
|
|
| 108 |
|
|
struct vt1211_data {
|
| 109 |
|
|
unsigned short addr;
|
| 110 |
|
|
const char *name;
|
| 111 |
|
|
struct device *hwmon_dev;
|
| 112 |
|
|
|
| 113 |
|
|
struct mutex update_lock;
|
| 114 |
|
|
char valid; /* !=0 if following fields are valid */
|
| 115 |
|
|
unsigned long last_updated; /* In jiffies */
|
| 116 |
|
|
|
| 117 |
|
|
/* Register values */
|
| 118 |
|
|
u8 in[6];
|
| 119 |
|
|
u8 in_max[6];
|
| 120 |
|
|
u8 in_min[6];
|
| 121 |
|
|
u8 temp[7];
|
| 122 |
|
|
u8 temp_max[7];
|
| 123 |
|
|
u8 temp_hyst[7];
|
| 124 |
|
|
u8 fan[2];
|
| 125 |
|
|
u8 fan_min[2];
|
| 126 |
|
|
u8 fan_div[2];
|
| 127 |
|
|
u8 fan_ctl;
|
| 128 |
|
|
u8 pwm[2];
|
| 129 |
|
|
u8 pwm_ctl[2];
|
| 130 |
|
|
u8 pwm_clk;
|
| 131 |
|
|
u8 pwm_auto_temp[4];
|
| 132 |
|
|
u8 pwm_auto_pwm[2][4];
|
| 133 |
|
|
u8 vid; /* Read once at init time */
|
| 134 |
|
|
u8 vrm;
|
| 135 |
|
|
u8 uch_config; /* Read once at init time */
|
| 136 |
|
|
u16 alarms;
|
| 137 |
|
|
};
|
| 138 |
|
|
|
| 139 |
|
|
/* ix = [0-5] */
|
| 140 |
|
|
#define ISVOLT(ix, uch_config) ((ix) > 4 ? 1 : \
|
| 141 |
|
|
!(((uch_config) >> ((ix) + 2)) & 1))
|
| 142 |
|
|
|
| 143 |
|
|
/* ix = [0-6] */
|
| 144 |
|
|
#define ISTEMP(ix, uch_config) ((ix) < 2 ? 1 : \
|
| 145 |
|
|
((uch_config) >> (ix)) & 1)
|
| 146 |
|
|
|
| 147 |
|
|
/* in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the
|
| 148 |
|
|
driver according to the VT1211 BIOS porting guide */
|
| 149 |
|
|
#define IN_FROM_REG(ix, reg) ((reg) < 3 ? 0 : (ix) == 5 ? \
|
| 150 |
|
|
(((reg) - 3) * 15882 + 479) / 958 : \
|
| 151 |
|
|
(((reg) - 3) * 10000 + 479) / 958)
|
| 152 |
|
|
#define IN_TO_REG(ix, val) (SENSORS_LIMIT((ix) == 5 ? \
|
| 153 |
|
|
((val) * 958 + 7941) / 15882 + 3 : \
|
| 154 |
|
|
((val) * 958 + 5000) / 10000 + 3, 0, 255))
|
| 155 |
|
|
|
| 156 |
|
|
/* temp1 (ix = 0) is an intel thermal diode which is scaled in user space.
|
| 157 |
|
|
temp2 (ix = 1) is the internal temp diode so it's scaled in the driver
|
| 158 |
|
|
according to some measurements that I took on an EPIA M10000.
|
| 159 |
|
|
temp3-7 are thermistor based so the driver returns the voltage measured at
|
| 160 |
|
|
the pin (range 0V - 2.2V). */
|
| 161 |
|
|
#define TEMP_FROM_REG(ix, reg) ((ix) == 0 ? (reg) * 1000 : \
|
| 162 |
|
|
(ix) == 1 ? (reg) < 51 ? 0 : \
|
| 163 |
|
|
((reg) - 51) * 1000 : \
|
| 164 |
|
|
((253 - (reg)) * 2200 + 105) / 210)
|
| 165 |
|
|
#define TEMP_TO_REG(ix, val) SENSORS_LIMIT( \
|
| 166 |
|
|
((ix) == 0 ? ((val) + 500) / 1000 : \
|
| 167 |
|
|
(ix) == 1 ? ((val) + 500) / 1000 + 51 : \
|
| 168 |
|
|
253 - ((val) * 210 + 1100) / 2200), 0, 255)
|
| 169 |
|
|
|
| 170 |
|
|
#define DIV_FROM_REG(reg) (1 << (reg))
|
| 171 |
|
|
|
| 172 |
|
|
#define RPM_FROM_REG(reg, div) (((reg) == 0) || ((reg) == 255) ? 0 : \
|
| 173 |
|
|
1310720 / (reg) / DIV_FROM_REG(div))
|
| 174 |
|
|
#define RPM_TO_REG(val, div) ((val) == 0 ? 255 : \
|
| 175 |
|
|
SENSORS_LIMIT((1310720 / (val) / \
|
| 176 |
|
|
DIV_FROM_REG(div)), 1, 254))
|
| 177 |
|
|
|
| 178 |
|
|
/* ---------------------------------------------------------------------
|
| 179 |
|
|
* Super-I/O constants and functions
|
| 180 |
|
|
* --------------------------------------------------------------------- */
|
| 181 |
|
|
|
| 182 |
|
|
/* Configuration index port registers
|
| 183 |
|
|
* The vt1211 can live at 2 different addresses so we need to probe both */
|
| 184 |
|
|
#define SIO_REG_CIP1 0x2e
|
| 185 |
|
|
#define SIO_REG_CIP2 0x4e
|
| 186 |
|
|
|
| 187 |
|
|
/* Configuration registers */
|
| 188 |
|
|
#define SIO_VT1211_LDN 0x07 /* logical device number */
|
| 189 |
|
|
#define SIO_VT1211_DEVID 0x20 /* device ID */
|
| 190 |
|
|
#define SIO_VT1211_DEVREV 0x21 /* device revision */
|
| 191 |
|
|
#define SIO_VT1211_ACTIVE 0x30 /* HW monitor active */
|
| 192 |
|
|
#define SIO_VT1211_BADDR 0x60 /* base I/O address */
|
| 193 |
|
|
#define SIO_VT1211_ID 0x3c /* VT1211 device ID */
|
| 194 |
|
|
|
| 195 |
|
|
/* VT1211 logical device numbers */
|
| 196 |
|
|
#define SIO_VT1211_LDN_HWMON 0x0b /* HW monitor */
|
| 197 |
|
|
|
| 198 |
|
|
static inline void superio_outb(int sio_cip, int reg, int val)
|
| 199 |
|
|
{
|
| 200 |
|
|
outb(reg, sio_cip);
|
| 201 |
|
|
outb(val, sio_cip + 1);
|
| 202 |
|
|
}
|
| 203 |
|
|
|
| 204 |
|
|
static inline int superio_inb(int sio_cip, int reg)
|
| 205 |
|
|
{
|
| 206 |
|
|
outb(reg, sio_cip);
|
| 207 |
|
|
return inb(sio_cip + 1);
|
| 208 |
|
|
}
|
| 209 |
|
|
|
| 210 |
|
|
static inline void superio_select(int sio_cip, int ldn)
|
| 211 |
|
|
{
|
| 212 |
|
|
outb(SIO_VT1211_LDN, sio_cip);
|
| 213 |
|
|
outb(ldn, sio_cip + 1);
|
| 214 |
|
|
}
|
| 215 |
|
|
|
| 216 |
|
|
static inline void superio_enter(int sio_cip)
|
| 217 |
|
|
{
|
| 218 |
|
|
outb(0x87, sio_cip);
|
| 219 |
|
|
outb(0x87, sio_cip);
|
| 220 |
|
|
}
|
| 221 |
|
|
|
| 222 |
|
|
static inline void superio_exit(int sio_cip)
|
| 223 |
|
|
{
|
| 224 |
|
|
outb(0xaa, sio_cip);
|
| 225 |
|
|
}
|
| 226 |
|
|
|
| 227 |
|
|
/* ---------------------------------------------------------------------
|
| 228 |
|
|
* Device I/O access
|
| 229 |
|
|
* --------------------------------------------------------------------- */
|
| 230 |
|
|
|
| 231 |
|
|
static inline u8 vt1211_read8(struct vt1211_data *data, u8 reg)
|
| 232 |
|
|
{
|
| 233 |
|
|
return inb(data->addr + reg);
|
| 234 |
|
|
}
|
| 235 |
|
|
|
| 236 |
|
|
static inline void vt1211_write8(struct vt1211_data *data, u8 reg, u8 val)
|
| 237 |
|
|
{
|
| 238 |
|
|
outb(val, data->addr + reg);
|
| 239 |
|
|
}
|
| 240 |
|
|
|
| 241 |
|
|
static struct vt1211_data *vt1211_update_device(struct device *dev)
|
| 242 |
|
|
{
|
| 243 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 244 |
|
|
int ix, val;
|
| 245 |
|
|
|
| 246 |
|
|
mutex_lock(&data->update_lock);
|
| 247 |
|
|
|
| 248 |
|
|
/* registers cache is refreshed after 1 second */
|
| 249 |
|
|
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
|
| 250 |
|
|
/* read VID */
|
| 251 |
|
|
data->vid = vt1211_read8(data, VT1211_REG_VID) & 0x1f;
|
| 252 |
|
|
|
| 253 |
|
|
/* voltage (in) registers */
|
| 254 |
|
|
for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) {
|
| 255 |
|
|
if (ISVOLT(ix, data->uch_config)) {
|
| 256 |
|
|
data->in[ix] = vt1211_read8(data,
|
| 257 |
|
|
VT1211_REG_IN(ix));
|
| 258 |
|
|
data->in_min[ix] = vt1211_read8(data,
|
| 259 |
|
|
VT1211_REG_IN_MIN(ix));
|
| 260 |
|
|
data->in_max[ix] = vt1211_read8(data,
|
| 261 |
|
|
VT1211_REG_IN_MAX(ix));
|
| 262 |
|
|
}
|
| 263 |
|
|
}
|
| 264 |
|
|
|
| 265 |
|
|
/* temp registers */
|
| 266 |
|
|
for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) {
|
| 267 |
|
|
if (ISTEMP(ix, data->uch_config)) {
|
| 268 |
|
|
data->temp[ix] = vt1211_read8(data,
|
| 269 |
|
|
regtemp[ix]);
|
| 270 |
|
|
data->temp_max[ix] = vt1211_read8(data,
|
| 271 |
|
|
regtempmax[ix]);
|
| 272 |
|
|
data->temp_hyst[ix] = vt1211_read8(data,
|
| 273 |
|
|
regtemphyst[ix]);
|
| 274 |
|
|
}
|
| 275 |
|
|
}
|
| 276 |
|
|
|
| 277 |
|
|
/* fan & pwm registers */
|
| 278 |
|
|
for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) {
|
| 279 |
|
|
data->fan[ix] = vt1211_read8(data,
|
| 280 |
|
|
VT1211_REG_FAN(ix));
|
| 281 |
|
|
data->fan_min[ix] = vt1211_read8(data,
|
| 282 |
|
|
VT1211_REG_FAN_MIN(ix));
|
| 283 |
|
|
data->pwm[ix] = vt1211_read8(data,
|
| 284 |
|
|
VT1211_REG_PWM(ix));
|
| 285 |
|
|
}
|
| 286 |
|
|
val = vt1211_read8(data, VT1211_REG_FAN_DIV);
|
| 287 |
|
|
data->fan_div[0] = (val >> 4) & 3;
|
| 288 |
|
|
data->fan_div[1] = (val >> 6) & 3;
|
| 289 |
|
|
data->fan_ctl = val & 0xf;
|
| 290 |
|
|
|
| 291 |
|
|
val = vt1211_read8(data, VT1211_REG_PWM_CTL);
|
| 292 |
|
|
data->pwm_ctl[0] = val & 0xf;
|
| 293 |
|
|
data->pwm_ctl[1] = (val >> 4) & 0xf;
|
| 294 |
|
|
|
| 295 |
|
|
data->pwm_clk = vt1211_read8(data, VT1211_REG_PWM_CLK);
|
| 296 |
|
|
|
| 297 |
|
|
/* pwm & temp auto point registers */
|
| 298 |
|
|
data->pwm_auto_pwm[0][1] = vt1211_read8(data,
|
| 299 |
|
|
VT1211_REG_PWM_AUTO_PWM(0, 1));
|
| 300 |
|
|
data->pwm_auto_pwm[0][2] = vt1211_read8(data,
|
| 301 |
|
|
VT1211_REG_PWM_AUTO_PWM(0, 2));
|
| 302 |
|
|
data->pwm_auto_pwm[1][1] = vt1211_read8(data,
|
| 303 |
|
|
VT1211_REG_PWM_AUTO_PWM(1, 1));
|
| 304 |
|
|
data->pwm_auto_pwm[1][2] = vt1211_read8(data,
|
| 305 |
|
|
VT1211_REG_PWM_AUTO_PWM(1, 2));
|
| 306 |
|
|
for (ix = 0; ix < ARRAY_SIZE(data->pwm_auto_temp); ix++) {
|
| 307 |
|
|
data->pwm_auto_temp[ix] = vt1211_read8(data,
|
| 308 |
|
|
VT1211_REG_PWM_AUTO_TEMP(ix));
|
| 309 |
|
|
}
|
| 310 |
|
|
|
| 311 |
|
|
/* alarm registers */
|
| 312 |
|
|
data->alarms = (vt1211_read8(data, VT1211_REG_ALARM2) << 8) |
|
| 313 |
|
|
vt1211_read8(data, VT1211_REG_ALARM1);
|
| 314 |
|
|
|
| 315 |
|
|
data->last_updated = jiffies;
|
| 316 |
|
|
data->valid = 1;
|
| 317 |
|
|
}
|
| 318 |
|
|
|
| 319 |
|
|
mutex_unlock(&data->update_lock);
|
| 320 |
|
|
|
| 321 |
|
|
return data;
|
| 322 |
|
|
}
|
| 323 |
|
|
|
| 324 |
|
|
/* ---------------------------------------------------------------------
|
| 325 |
|
|
* Voltage sysfs interfaces
|
| 326 |
|
|
* ix = [0-5]
|
| 327 |
|
|
* --------------------------------------------------------------------- */
|
| 328 |
|
|
|
| 329 |
|
|
#define SHOW_IN_INPUT 0
|
| 330 |
|
|
#define SHOW_SET_IN_MIN 1
|
| 331 |
|
|
#define SHOW_SET_IN_MAX 2
|
| 332 |
|
|
#define SHOW_IN_ALARM 3
|
| 333 |
|
|
|
| 334 |
|
|
static ssize_t show_in(struct device *dev, struct device_attribute *attr,
|
| 335 |
|
|
char *buf)
|
| 336 |
|
|
{
|
| 337 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 338 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 339 |
|
|
to_sensor_dev_attr_2(attr);
|
| 340 |
|
|
int ix = sensor_attr_2->index;
|
| 341 |
|
|
int fn = sensor_attr_2->nr;
|
| 342 |
|
|
int res;
|
| 343 |
|
|
|
| 344 |
|
|
switch (fn) {
|
| 345 |
|
|
case SHOW_IN_INPUT:
|
| 346 |
|
|
res = IN_FROM_REG(ix, data->in[ix]);
|
| 347 |
|
|
break;
|
| 348 |
|
|
case SHOW_SET_IN_MIN:
|
| 349 |
|
|
res = IN_FROM_REG(ix, data->in_min[ix]);
|
| 350 |
|
|
break;
|
| 351 |
|
|
case SHOW_SET_IN_MAX:
|
| 352 |
|
|
res = IN_FROM_REG(ix, data->in_max[ix]);
|
| 353 |
|
|
break;
|
| 354 |
|
|
case SHOW_IN_ALARM:
|
| 355 |
|
|
res = (data->alarms >> bitalarmin[ix]) & 1;
|
| 356 |
|
|
break;
|
| 357 |
|
|
default:
|
| 358 |
|
|
res = 0;
|
| 359 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 360 |
|
|
}
|
| 361 |
|
|
|
| 362 |
|
|
return sprintf(buf, "%d\n", res);
|
| 363 |
|
|
}
|
| 364 |
|
|
|
| 365 |
|
|
static ssize_t set_in(struct device *dev, struct device_attribute *attr,
|
| 366 |
|
|
const char *buf, size_t count)
|
| 367 |
|
|
{
|
| 368 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 369 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 370 |
|
|
to_sensor_dev_attr_2(attr);
|
| 371 |
|
|
int ix = sensor_attr_2->index;
|
| 372 |
|
|
int fn = sensor_attr_2->nr;
|
| 373 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 374 |
|
|
|
| 375 |
|
|
mutex_lock(&data->update_lock);
|
| 376 |
|
|
switch (fn) {
|
| 377 |
|
|
case SHOW_SET_IN_MIN:
|
| 378 |
|
|
data->in_min[ix] = IN_TO_REG(ix, val);
|
| 379 |
|
|
vt1211_write8(data, VT1211_REG_IN_MIN(ix), data->in_min[ix]);
|
| 380 |
|
|
break;
|
| 381 |
|
|
case SHOW_SET_IN_MAX:
|
| 382 |
|
|
data->in_max[ix] = IN_TO_REG(ix, val);
|
| 383 |
|
|
vt1211_write8(data, VT1211_REG_IN_MAX(ix), data->in_max[ix]);
|
| 384 |
|
|
break;
|
| 385 |
|
|
default:
|
| 386 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 387 |
|
|
}
|
| 388 |
|
|
mutex_unlock(&data->update_lock);
|
| 389 |
|
|
|
| 390 |
|
|
return count;
|
| 391 |
|
|
}
|
| 392 |
|
|
|
| 393 |
|
|
/* ---------------------------------------------------------------------
|
| 394 |
|
|
* Temperature sysfs interfaces
|
| 395 |
|
|
* ix = [0-6]
|
| 396 |
|
|
* --------------------------------------------------------------------- */
|
| 397 |
|
|
|
| 398 |
|
|
#define SHOW_TEMP_INPUT 0
|
| 399 |
|
|
#define SHOW_SET_TEMP_MAX 1
|
| 400 |
|
|
#define SHOW_SET_TEMP_MAX_HYST 2
|
| 401 |
|
|
#define SHOW_TEMP_ALARM 3
|
| 402 |
|
|
|
| 403 |
|
|
static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
|
| 404 |
|
|
char *buf)
|
| 405 |
|
|
{
|
| 406 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 407 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 408 |
|
|
to_sensor_dev_attr_2(attr);
|
| 409 |
|
|
int ix = sensor_attr_2->index;
|
| 410 |
|
|
int fn = sensor_attr_2->nr;
|
| 411 |
|
|
int res;
|
| 412 |
|
|
|
| 413 |
|
|
switch (fn) {
|
| 414 |
|
|
case SHOW_TEMP_INPUT:
|
| 415 |
|
|
res = TEMP_FROM_REG(ix, data->temp[ix]);
|
| 416 |
|
|
break;
|
| 417 |
|
|
case SHOW_SET_TEMP_MAX:
|
| 418 |
|
|
res = TEMP_FROM_REG(ix, data->temp_max[ix]);
|
| 419 |
|
|
break;
|
| 420 |
|
|
case SHOW_SET_TEMP_MAX_HYST:
|
| 421 |
|
|
res = TEMP_FROM_REG(ix, data->temp_hyst[ix]);
|
| 422 |
|
|
break;
|
| 423 |
|
|
case SHOW_TEMP_ALARM:
|
| 424 |
|
|
res = (data->alarms >> bitalarmtemp[ix]) & 1;
|
| 425 |
|
|
break;
|
| 426 |
|
|
default:
|
| 427 |
|
|
res = 0;
|
| 428 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 429 |
|
|
}
|
| 430 |
|
|
|
| 431 |
|
|
return sprintf(buf, "%d\n", res);
|
| 432 |
|
|
}
|
| 433 |
|
|
|
| 434 |
|
|
static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
|
| 435 |
|
|
const char *buf, size_t count)
|
| 436 |
|
|
{
|
| 437 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 438 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 439 |
|
|
to_sensor_dev_attr_2(attr);
|
| 440 |
|
|
int ix = sensor_attr_2->index;
|
| 441 |
|
|
int fn = sensor_attr_2->nr;
|
| 442 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 443 |
|
|
|
| 444 |
|
|
mutex_lock(&data->update_lock);
|
| 445 |
|
|
switch (fn) {
|
| 446 |
|
|
case SHOW_SET_TEMP_MAX:
|
| 447 |
|
|
data->temp_max[ix] = TEMP_TO_REG(ix, val);
|
| 448 |
|
|
vt1211_write8(data, regtempmax[ix],
|
| 449 |
|
|
data->temp_max[ix]);
|
| 450 |
|
|
break;
|
| 451 |
|
|
case SHOW_SET_TEMP_MAX_HYST:
|
| 452 |
|
|
data->temp_hyst[ix] = TEMP_TO_REG(ix, val);
|
| 453 |
|
|
vt1211_write8(data, regtemphyst[ix],
|
| 454 |
|
|
data->temp_hyst[ix]);
|
| 455 |
|
|
break;
|
| 456 |
|
|
default:
|
| 457 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 458 |
|
|
}
|
| 459 |
|
|
mutex_unlock(&data->update_lock);
|
| 460 |
|
|
|
| 461 |
|
|
return count;
|
| 462 |
|
|
}
|
| 463 |
|
|
|
| 464 |
|
|
/* ---------------------------------------------------------------------
|
| 465 |
|
|
* Fan sysfs interfaces
|
| 466 |
|
|
* ix = [0-1]
|
| 467 |
|
|
* --------------------------------------------------------------------- */
|
| 468 |
|
|
|
| 469 |
|
|
#define SHOW_FAN_INPUT 0
|
| 470 |
|
|
#define SHOW_SET_FAN_MIN 1
|
| 471 |
|
|
#define SHOW_SET_FAN_DIV 2
|
| 472 |
|
|
#define SHOW_FAN_ALARM 3
|
| 473 |
|
|
|
| 474 |
|
|
static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
|
| 475 |
|
|
char *buf)
|
| 476 |
|
|
{
|
| 477 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 478 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 479 |
|
|
to_sensor_dev_attr_2(attr);
|
| 480 |
|
|
int ix = sensor_attr_2->index;
|
| 481 |
|
|
int fn = sensor_attr_2->nr;
|
| 482 |
|
|
int res;
|
| 483 |
|
|
|
| 484 |
|
|
switch (fn) {
|
| 485 |
|
|
case SHOW_FAN_INPUT:
|
| 486 |
|
|
res = RPM_FROM_REG(data->fan[ix], data->fan_div[ix]);
|
| 487 |
|
|
break;
|
| 488 |
|
|
case SHOW_SET_FAN_MIN:
|
| 489 |
|
|
res = RPM_FROM_REG(data->fan_min[ix], data->fan_div[ix]);
|
| 490 |
|
|
break;
|
| 491 |
|
|
case SHOW_SET_FAN_DIV:
|
| 492 |
|
|
res = DIV_FROM_REG(data->fan_div[ix]);
|
| 493 |
|
|
break;
|
| 494 |
|
|
case SHOW_FAN_ALARM:
|
| 495 |
|
|
res = (data->alarms >> bitalarmfan[ix]) & 1;
|
| 496 |
|
|
break;
|
| 497 |
|
|
default:
|
| 498 |
|
|
res = 0;
|
| 499 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 500 |
|
|
}
|
| 501 |
|
|
|
| 502 |
|
|
return sprintf(buf, "%d\n", res);
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
static ssize_t set_fan(struct device *dev, struct device_attribute *attr,
|
| 506 |
|
|
const char *buf, size_t count)
|
| 507 |
|
|
{
|
| 508 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 509 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 510 |
|
|
to_sensor_dev_attr_2(attr);
|
| 511 |
|
|
int ix = sensor_attr_2->index;
|
| 512 |
|
|
int fn = sensor_attr_2->nr;
|
| 513 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 514 |
|
|
int reg;
|
| 515 |
|
|
|
| 516 |
|
|
mutex_lock(&data->update_lock);
|
| 517 |
|
|
|
| 518 |
|
|
/* sync the data cache */
|
| 519 |
|
|
reg = vt1211_read8(data, VT1211_REG_FAN_DIV);
|
| 520 |
|
|
data->fan_div[0] = (reg >> 4) & 3;
|
| 521 |
|
|
data->fan_div[1] = (reg >> 6) & 3;
|
| 522 |
|
|
data->fan_ctl = reg & 0xf;
|
| 523 |
|
|
|
| 524 |
|
|
switch (fn) {
|
| 525 |
|
|
case SHOW_SET_FAN_MIN:
|
| 526 |
|
|
data->fan_min[ix] = RPM_TO_REG(val, data->fan_div[ix]);
|
| 527 |
|
|
vt1211_write8(data, VT1211_REG_FAN_MIN(ix),
|
| 528 |
|
|
data->fan_min[ix]);
|
| 529 |
|
|
break;
|
| 530 |
|
|
case SHOW_SET_FAN_DIV:
|
| 531 |
|
|
switch (val) {
|
| 532 |
|
|
case 1: data->fan_div[ix] = 0; break;
|
| 533 |
|
|
case 2: data->fan_div[ix] = 1; break;
|
| 534 |
|
|
case 4: data->fan_div[ix] = 2; break;
|
| 535 |
|
|
case 8: data->fan_div[ix] = 3; break;
|
| 536 |
|
|
default:
|
| 537 |
|
|
count = -EINVAL;
|
| 538 |
|
|
dev_warn(dev, "fan div value %ld not "
|
| 539 |
|
|
"supported. Choose one of 1, 2, "
|
| 540 |
|
|
"4, or 8.\n", val);
|
| 541 |
|
|
goto EXIT;
|
| 542 |
|
|
}
|
| 543 |
|
|
vt1211_write8(data, VT1211_REG_FAN_DIV,
|
| 544 |
|
|
((data->fan_div[1] << 6) |
|
| 545 |
|
|
(data->fan_div[0] << 4) |
|
| 546 |
|
|
data->fan_ctl));
|
| 547 |
|
|
break;
|
| 548 |
|
|
default:
|
| 549 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 550 |
|
|
}
|
| 551 |
|
|
|
| 552 |
|
|
EXIT:
|
| 553 |
|
|
mutex_unlock(&data->update_lock);
|
| 554 |
|
|
return count;
|
| 555 |
|
|
}
|
| 556 |
|
|
|
| 557 |
|
|
/* ---------------------------------------------------------------------
|
| 558 |
|
|
* PWM sysfs interfaces
|
| 559 |
|
|
* ix = [0-1]
|
| 560 |
|
|
* --------------------------------------------------------------------- */
|
| 561 |
|
|
|
| 562 |
|
|
#define SHOW_PWM 0
|
| 563 |
|
|
#define SHOW_SET_PWM_ENABLE 1
|
| 564 |
|
|
#define SHOW_SET_PWM_FREQ 2
|
| 565 |
|
|
#define SHOW_SET_PWM_AUTO_CHANNELS_TEMP 3
|
| 566 |
|
|
|
| 567 |
|
|
static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
|
| 568 |
|
|
char *buf)
|
| 569 |
|
|
{
|
| 570 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 571 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 572 |
|
|
to_sensor_dev_attr_2(attr);
|
| 573 |
|
|
int ix = sensor_attr_2->index;
|
| 574 |
|
|
int fn = sensor_attr_2->nr;
|
| 575 |
|
|
int res;
|
| 576 |
|
|
|
| 577 |
|
|
switch (fn) {
|
| 578 |
|
|
case SHOW_PWM:
|
| 579 |
|
|
res = data->pwm[ix];
|
| 580 |
|
|
break;
|
| 581 |
|
|
case SHOW_SET_PWM_ENABLE:
|
| 582 |
|
|
res = ((data->pwm_ctl[ix] >> 3) & 1) ? 2 : 0;
|
| 583 |
|
|
break;
|
| 584 |
|
|
case SHOW_SET_PWM_FREQ:
|
| 585 |
|
|
res = 90000 >> (data->pwm_clk & 7);
|
| 586 |
|
|
break;
|
| 587 |
|
|
case SHOW_SET_PWM_AUTO_CHANNELS_TEMP:
|
| 588 |
|
|
res = (data->pwm_ctl[ix] & 7) + 1;
|
| 589 |
|
|
break;
|
| 590 |
|
|
default:
|
| 591 |
|
|
res = 0;
|
| 592 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 593 |
|
|
}
|
| 594 |
|
|
|
| 595 |
|
|
return sprintf(buf, "%d\n", res);
|
| 596 |
|
|
}
|
| 597 |
|
|
|
| 598 |
|
|
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
|
| 599 |
|
|
const char *buf, size_t count)
|
| 600 |
|
|
{
|
| 601 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 602 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 603 |
|
|
to_sensor_dev_attr_2(attr);
|
| 604 |
|
|
int ix = sensor_attr_2->index;
|
| 605 |
|
|
int fn = sensor_attr_2->nr;
|
| 606 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 607 |
|
|
int tmp, reg;
|
| 608 |
|
|
|
| 609 |
|
|
mutex_lock(&data->update_lock);
|
| 610 |
|
|
|
| 611 |
|
|
switch (fn) {
|
| 612 |
|
|
case SHOW_SET_PWM_ENABLE:
|
| 613 |
|
|
/* sync the data cache */
|
| 614 |
|
|
reg = vt1211_read8(data, VT1211_REG_FAN_DIV);
|
| 615 |
|
|
data->fan_div[0] = (reg >> 4) & 3;
|
| 616 |
|
|
data->fan_div[1] = (reg >> 6) & 3;
|
| 617 |
|
|
data->fan_ctl = reg & 0xf;
|
| 618 |
|
|
reg = vt1211_read8(data, VT1211_REG_PWM_CTL);
|
| 619 |
|
|
data->pwm_ctl[0] = reg & 0xf;
|
| 620 |
|
|
data->pwm_ctl[1] = (reg >> 4) & 0xf;
|
| 621 |
|
|
switch (val) {
|
| 622 |
|
|
case 0:
|
| 623 |
|
|
data->pwm_ctl[ix] &= 7;
|
| 624 |
|
|
/* disable SmartGuardian if both PWM outputs are
|
| 625 |
|
|
* disabled */
|
| 626 |
|
|
if ((data->pwm_ctl[ix ^ 1] & 1) == 0) {
|
| 627 |
|
|
data->fan_ctl &= 0xe;
|
| 628 |
|
|
}
|
| 629 |
|
|
break;
|
| 630 |
|
|
case 2:
|
| 631 |
|
|
data->pwm_ctl[ix] |= 8;
|
| 632 |
|
|
data->fan_ctl |= 1;
|
| 633 |
|
|
break;
|
| 634 |
|
|
default:
|
| 635 |
|
|
count = -EINVAL;
|
| 636 |
|
|
dev_warn(dev, "pwm mode %ld not supported. "
|
| 637 |
|
|
"Choose one of 0 or 2.\n", val);
|
| 638 |
|
|
goto EXIT;
|
| 639 |
|
|
}
|
| 640 |
|
|
vt1211_write8(data, VT1211_REG_PWM_CTL,
|
| 641 |
|
|
((data->pwm_ctl[1] << 4) |
|
| 642 |
|
|
data->pwm_ctl[0]));
|
| 643 |
|
|
vt1211_write8(data, VT1211_REG_FAN_DIV,
|
| 644 |
|
|
((data->fan_div[1] << 6) |
|
| 645 |
|
|
(data->fan_div[0] << 4) |
|
| 646 |
|
|
data->fan_ctl));
|
| 647 |
|
|
break;
|
| 648 |
|
|
case SHOW_SET_PWM_FREQ:
|
| 649 |
|
|
val = 135000 / SENSORS_LIMIT(val, 135000 >> 7, 135000);
|
| 650 |
|
|
/* calculate tmp = log2(val) */
|
| 651 |
|
|
tmp = 0;
|
| 652 |
|
|
for (val >>= 1; val > 0; val >>= 1) {
|
| 653 |
|
|
tmp++;
|
| 654 |
|
|
}
|
| 655 |
|
|
/* sync the data cache */
|
| 656 |
|
|
reg = vt1211_read8(data, VT1211_REG_PWM_CLK);
|
| 657 |
|
|
data->pwm_clk = (reg & 0xf8) | tmp;
|
| 658 |
|
|
vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk);
|
| 659 |
|
|
break;
|
| 660 |
|
|
case SHOW_SET_PWM_AUTO_CHANNELS_TEMP:
|
| 661 |
|
|
if ((val < 1) || (val > 7)) {
|
| 662 |
|
|
count = -EINVAL;
|
| 663 |
|
|
dev_warn(dev, "temp channel %ld not supported. "
|
| 664 |
|
|
"Choose a value between 1 and 7.\n", val);
|
| 665 |
|
|
goto EXIT;
|
| 666 |
|
|
}
|
| 667 |
|
|
if (!ISTEMP(val - 1, data->uch_config)) {
|
| 668 |
|
|
count = -EINVAL;
|
| 669 |
|
|
dev_warn(dev, "temp channel %ld is not available.\n",
|
| 670 |
|
|
val);
|
| 671 |
|
|
goto EXIT;
|
| 672 |
|
|
}
|
| 673 |
|
|
/* sync the data cache */
|
| 674 |
|
|
reg = vt1211_read8(data, VT1211_REG_PWM_CTL);
|
| 675 |
|
|
data->pwm_ctl[0] = reg & 0xf;
|
| 676 |
|
|
data->pwm_ctl[1] = (reg >> 4) & 0xf;
|
| 677 |
|
|
data->pwm_ctl[ix] = (data->pwm_ctl[ix] & 8) | (val - 1);
|
| 678 |
|
|
vt1211_write8(data, VT1211_REG_PWM_CTL,
|
| 679 |
|
|
((data->pwm_ctl[1] << 4) | data->pwm_ctl[0]));
|
| 680 |
|
|
break;
|
| 681 |
|
|
default:
|
| 682 |
|
|
dev_dbg(dev, "Unknown attr fetch (%d)\n", fn);
|
| 683 |
|
|
}
|
| 684 |
|
|
|
| 685 |
|
|
EXIT:
|
| 686 |
|
|
mutex_unlock(&data->update_lock);
|
| 687 |
|
|
return count;
|
| 688 |
|
|
}
|
| 689 |
|
|
|
| 690 |
|
|
/* ---------------------------------------------------------------------
|
| 691 |
|
|
* PWM auto point definitions
|
| 692 |
|
|
* ix = [0-1]
|
| 693 |
|
|
* ap = [0-3]
|
| 694 |
|
|
* --------------------------------------------------------------------- */
|
| 695 |
|
|
|
| 696 |
|
|
/*
|
| 697 |
|
|
* pwm[ix+1]_auto_point[ap+1]_temp mapping table:
|
| 698 |
|
|
* Note that there is only a single set of temp auto points that controls both
|
| 699 |
|
|
* PWM controllers. We still create 2 sets of sysfs files to make it look
|
| 700 |
|
|
* more consistent even though they map to the same registers.
|
| 701 |
|
|
*
|
| 702 |
|
|
* ix ap : description
|
| 703 |
|
|
* -------------------
|
| 704 |
|
|
* 0 0 : pwm1/2 off temperature (pwm_auto_temp[0])
|
| 705 |
|
|
* 0 1 : pwm1/2 low speed temperature (pwm_auto_temp[1])
|
| 706 |
|
|
* 0 2 : pwm1/2 high speed temperature (pwm_auto_temp[2])
|
| 707 |
|
|
* 0 3 : pwm1/2 full speed temperature (pwm_auto_temp[3])
|
| 708 |
|
|
* 1 0 : pwm1/2 off temperature (pwm_auto_temp[0])
|
| 709 |
|
|
* 1 1 : pwm1/2 low speed temperature (pwm_auto_temp[1])
|
| 710 |
|
|
* 1 2 : pwm1/2 high speed temperature (pwm_auto_temp[2])
|
| 711 |
|
|
* 1 3 : pwm1/2 full speed temperature (pwm_auto_temp[3])
|
| 712 |
|
|
*/
|
| 713 |
|
|
|
| 714 |
|
|
static ssize_t show_pwm_auto_point_temp(struct device *dev,
|
| 715 |
|
|
struct device_attribute *attr,
|
| 716 |
|
|
char *buf)
|
| 717 |
|
|
{
|
| 718 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 719 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 720 |
|
|
to_sensor_dev_attr_2(attr);
|
| 721 |
|
|
int ix = sensor_attr_2->index;
|
| 722 |
|
|
int ap = sensor_attr_2->nr;
|
| 723 |
|
|
|
| 724 |
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->pwm_ctl[ix] & 7,
|
| 725 |
|
|
data->pwm_auto_temp[ap]));
|
| 726 |
|
|
}
|
| 727 |
|
|
|
| 728 |
|
|
static ssize_t set_pwm_auto_point_temp(struct device *dev,
|
| 729 |
|
|
struct device_attribute *attr,
|
| 730 |
|
|
const char *buf, size_t count)
|
| 731 |
|
|
{
|
| 732 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 733 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 734 |
|
|
to_sensor_dev_attr_2(attr);
|
| 735 |
|
|
int ix = sensor_attr_2->index;
|
| 736 |
|
|
int ap = sensor_attr_2->nr;
|
| 737 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 738 |
|
|
int reg;
|
| 739 |
|
|
|
| 740 |
|
|
mutex_lock(&data->update_lock);
|
| 741 |
|
|
|
| 742 |
|
|
/* sync the data cache */
|
| 743 |
|
|
reg = vt1211_read8(data, VT1211_REG_PWM_CTL);
|
| 744 |
|
|
data->pwm_ctl[0] = reg & 0xf;
|
| 745 |
|
|
data->pwm_ctl[1] = (reg >> 4) & 0xf;
|
| 746 |
|
|
|
| 747 |
|
|
data->pwm_auto_temp[ap] = TEMP_TO_REG(data->pwm_ctl[ix] & 7, val);
|
| 748 |
|
|
vt1211_write8(data, VT1211_REG_PWM_AUTO_TEMP(ap),
|
| 749 |
|
|
data->pwm_auto_temp[ap]);
|
| 750 |
|
|
mutex_unlock(&data->update_lock);
|
| 751 |
|
|
|
| 752 |
|
|
return count;
|
| 753 |
|
|
}
|
| 754 |
|
|
|
| 755 |
|
|
/*
|
| 756 |
|
|
* pwm[ix+1]_auto_point[ap+1]_pwm mapping table:
|
| 757 |
|
|
* Note that the PWM auto points 0 & 3 are hard-wired in the VT1211 and can't
|
| 758 |
|
|
* be changed.
|
| 759 |
|
|
*
|
| 760 |
|
|
* ix ap : description
|
| 761 |
|
|
* -------------------
|
| 762 |
|
|
* 0 0 : pwm1 off (pwm_auto_pwm[0][0], hard-wired to 0)
|
| 763 |
|
|
* 0 1 : pwm1 low speed duty cycle (pwm_auto_pwm[0][1])
|
| 764 |
|
|
* 0 2 : pwm1 high speed duty cycle (pwm_auto_pwm[0][2])
|
| 765 |
|
|
* 0 3 : pwm1 full speed (pwm_auto_pwm[0][3], hard-wired to 255)
|
| 766 |
|
|
* 1 0 : pwm2 off (pwm_auto_pwm[1][0], hard-wired to 0)
|
| 767 |
|
|
* 1 1 : pwm2 low speed duty cycle (pwm_auto_pwm[1][1])
|
| 768 |
|
|
* 1 2 : pwm2 high speed duty cycle (pwm_auto_pwm[1][2])
|
| 769 |
|
|
* 1 3 : pwm2 full speed (pwm_auto_pwm[1][3], hard-wired to 255)
|
| 770 |
|
|
*/
|
| 771 |
|
|
|
| 772 |
|
|
static ssize_t show_pwm_auto_point_pwm(struct device *dev,
|
| 773 |
|
|
struct device_attribute *attr,
|
| 774 |
|
|
char *buf)
|
| 775 |
|
|
{
|
| 776 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 777 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 778 |
|
|
to_sensor_dev_attr_2(attr);
|
| 779 |
|
|
int ix = sensor_attr_2->index;
|
| 780 |
|
|
int ap = sensor_attr_2->nr;
|
| 781 |
|
|
|
| 782 |
|
|
return sprintf(buf, "%d\n", data->pwm_auto_pwm[ix][ap]);
|
| 783 |
|
|
}
|
| 784 |
|
|
|
| 785 |
|
|
static ssize_t set_pwm_auto_point_pwm(struct device *dev,
|
| 786 |
|
|
struct device_attribute *attr,
|
| 787 |
|
|
const char *buf, size_t count)
|
| 788 |
|
|
{
|
| 789 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 790 |
|
|
struct sensor_device_attribute_2 *sensor_attr_2 =
|
| 791 |
|
|
to_sensor_dev_attr_2(attr);
|
| 792 |
|
|
int ix = sensor_attr_2->index;
|
| 793 |
|
|
int ap = sensor_attr_2->nr;
|
| 794 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 795 |
|
|
|
| 796 |
|
|
if ((val < 0) || (val > 255)) {
|
| 797 |
|
|
dev_err(dev, "pwm value %ld is out of range. "
|
| 798 |
|
|
"Choose a value between 0 and 255.\n" , val);
|
| 799 |
|
|
return -EINVAL;
|
| 800 |
|
|
}
|
| 801 |
|
|
|
| 802 |
|
|
mutex_lock(&data->update_lock);
|
| 803 |
|
|
data->pwm_auto_pwm[ix][ap] = val;
|
| 804 |
|
|
vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap),
|
| 805 |
|
|
data->pwm_auto_pwm[ix][ap]);
|
| 806 |
|
|
mutex_unlock(&data->update_lock);
|
| 807 |
|
|
|
| 808 |
|
|
return count;
|
| 809 |
|
|
}
|
| 810 |
|
|
|
| 811 |
|
|
/* ---------------------------------------------------------------------
|
| 812 |
|
|
* Miscellaneous sysfs interfaces (VRM, VID, name, and (legacy) alarms)
|
| 813 |
|
|
* --------------------------------------------------------------------- */
|
| 814 |
|
|
|
| 815 |
|
|
static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
|
| 816 |
|
|
char *buf)
|
| 817 |
|
|
{
|
| 818 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 819 |
|
|
|
| 820 |
|
|
return sprintf(buf, "%d\n", data->vrm);
|
| 821 |
|
|
}
|
| 822 |
|
|
|
| 823 |
|
|
static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
|
| 824 |
|
|
const char *buf, size_t count)
|
| 825 |
|
|
{
|
| 826 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 827 |
|
|
long val = simple_strtol(buf, NULL, 10);
|
| 828 |
|
|
|
| 829 |
|
|
data->vrm = val;
|
| 830 |
|
|
|
| 831 |
|
|
return count;
|
| 832 |
|
|
}
|
| 833 |
|
|
|
| 834 |
|
|
static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
|
| 835 |
|
|
char *buf)
|
| 836 |
|
|
{
|
| 837 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 838 |
|
|
|
| 839 |
|
|
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
|
| 840 |
|
|
}
|
| 841 |
|
|
|
| 842 |
|
|
static ssize_t show_name(struct device *dev,
|
| 843 |
|
|
struct device_attribute *attr, char *buf)
|
| 844 |
|
|
{
|
| 845 |
|
|
struct vt1211_data *data = dev_get_drvdata(dev);
|
| 846 |
|
|
|
| 847 |
|
|
return sprintf(buf, "%s\n", data->name);
|
| 848 |
|
|
}
|
| 849 |
|
|
|
| 850 |
|
|
static ssize_t show_alarms(struct device *dev,
|
| 851 |
|
|
struct device_attribute *attr, char *buf)
|
| 852 |
|
|
{
|
| 853 |
|
|
struct vt1211_data *data = vt1211_update_device(dev);
|
| 854 |
|
|
|
| 855 |
|
|
return sprintf(buf, "%d\n", data->alarms);
|
| 856 |
|
|
}
|
| 857 |
|
|
|
| 858 |
|
|
/* ---------------------------------------------------------------------
|
| 859 |
|
|
* Device attribute structs
|
| 860 |
|
|
* --------------------------------------------------------------------- */
|
| 861 |
|
|
|
| 862 |
|
|
#define SENSOR_ATTR_IN_INPUT(ix) \
|
| 863 |
|
|
SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \
|
| 864 |
|
|
show_in, NULL, SHOW_IN_INPUT, ix)
|
| 865 |
|
|
|
| 866 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_in_input[] = {
|
| 867 |
|
|
SENSOR_ATTR_IN_INPUT(0),
|
| 868 |
|
|
SENSOR_ATTR_IN_INPUT(1),
|
| 869 |
|
|
SENSOR_ATTR_IN_INPUT(2),
|
| 870 |
|
|
SENSOR_ATTR_IN_INPUT(3),
|
| 871 |
|
|
SENSOR_ATTR_IN_INPUT(4),
|
| 872 |
|
|
SENSOR_ATTR_IN_INPUT(5),
|
| 873 |
|
|
};
|
| 874 |
|
|
|
| 875 |
|
|
#define SENSOR_ATTR_IN_MIN(ix) \
|
| 876 |
|
|
SENSOR_ATTR_2(in##ix##_min, S_IRUGO | S_IWUSR, \
|
| 877 |
|
|
show_in, set_in, SHOW_SET_IN_MIN, ix)
|
| 878 |
|
|
|
| 879 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_in_min[] = {
|
| 880 |
|
|
SENSOR_ATTR_IN_MIN(0),
|
| 881 |
|
|
SENSOR_ATTR_IN_MIN(1),
|
| 882 |
|
|
SENSOR_ATTR_IN_MIN(2),
|
| 883 |
|
|
SENSOR_ATTR_IN_MIN(3),
|
| 884 |
|
|
SENSOR_ATTR_IN_MIN(4),
|
| 885 |
|
|
SENSOR_ATTR_IN_MIN(5),
|
| 886 |
|
|
};
|
| 887 |
|
|
|
| 888 |
|
|
#define SENSOR_ATTR_IN_MAX(ix) \
|
| 889 |
|
|
SENSOR_ATTR_2(in##ix##_max, S_IRUGO | S_IWUSR, \
|
| 890 |
|
|
show_in, set_in, SHOW_SET_IN_MAX, ix)
|
| 891 |
|
|
|
| 892 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_in_max[] = {
|
| 893 |
|
|
SENSOR_ATTR_IN_MAX(0),
|
| 894 |
|
|
SENSOR_ATTR_IN_MAX(1),
|
| 895 |
|
|
SENSOR_ATTR_IN_MAX(2),
|
| 896 |
|
|
SENSOR_ATTR_IN_MAX(3),
|
| 897 |
|
|
SENSOR_ATTR_IN_MAX(4),
|
| 898 |
|
|
SENSOR_ATTR_IN_MAX(5),
|
| 899 |
|
|
};
|
| 900 |
|
|
|
| 901 |
|
|
#define SENSOR_ATTR_IN_ALARM(ix) \
|
| 902 |
|
|
SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \
|
| 903 |
|
|
show_in, NULL, SHOW_IN_ALARM, ix)
|
| 904 |
|
|
|
| 905 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_in_alarm[] = {
|
| 906 |
|
|
SENSOR_ATTR_IN_ALARM(0),
|
| 907 |
|
|
SENSOR_ATTR_IN_ALARM(1),
|
| 908 |
|
|
SENSOR_ATTR_IN_ALARM(2),
|
| 909 |
|
|
SENSOR_ATTR_IN_ALARM(3),
|
| 910 |
|
|
SENSOR_ATTR_IN_ALARM(4),
|
| 911 |
|
|
SENSOR_ATTR_IN_ALARM(5),
|
| 912 |
|
|
};
|
| 913 |
|
|
|
| 914 |
|
|
#define SENSOR_ATTR_TEMP_INPUT(ix) \
|
| 915 |
|
|
SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \
|
| 916 |
|
|
show_temp, NULL, SHOW_TEMP_INPUT, ix-1)
|
| 917 |
|
|
|
| 918 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_temp_input[] = {
|
| 919 |
|
|
SENSOR_ATTR_TEMP_INPUT(1),
|
| 920 |
|
|
SENSOR_ATTR_TEMP_INPUT(2),
|
| 921 |
|
|
SENSOR_ATTR_TEMP_INPUT(3),
|
| 922 |
|
|
SENSOR_ATTR_TEMP_INPUT(4),
|
| 923 |
|
|
SENSOR_ATTR_TEMP_INPUT(5),
|
| 924 |
|
|
SENSOR_ATTR_TEMP_INPUT(6),
|
| 925 |
|
|
SENSOR_ATTR_TEMP_INPUT(7),
|
| 926 |
|
|
};
|
| 927 |
|
|
|
| 928 |
|
|
#define SENSOR_ATTR_TEMP_MAX(ix) \
|
| 929 |
|
|
SENSOR_ATTR_2(temp##ix##_max, S_IRUGO | S_IWUSR, \
|
| 930 |
|
|
show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1)
|
| 931 |
|
|
|
| 932 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_temp_max[] = {
|
| 933 |
|
|
SENSOR_ATTR_TEMP_MAX(1),
|
| 934 |
|
|
SENSOR_ATTR_TEMP_MAX(2),
|
| 935 |
|
|
SENSOR_ATTR_TEMP_MAX(3),
|
| 936 |
|
|
SENSOR_ATTR_TEMP_MAX(4),
|
| 937 |
|
|
SENSOR_ATTR_TEMP_MAX(5),
|
| 938 |
|
|
SENSOR_ATTR_TEMP_MAX(6),
|
| 939 |
|
|
SENSOR_ATTR_TEMP_MAX(7),
|
| 940 |
|
|
};
|
| 941 |
|
|
|
| 942 |
|
|
#define SENSOR_ATTR_TEMP_MAX_HYST(ix) \
|
| 943 |
|
|
SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \
|
| 944 |
|
|
show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1)
|
| 945 |
|
|
|
| 946 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_temp_max_hyst[] = {
|
| 947 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(1),
|
| 948 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(2),
|
| 949 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(3),
|
| 950 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(4),
|
| 951 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(5),
|
| 952 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(6),
|
| 953 |
|
|
SENSOR_ATTR_TEMP_MAX_HYST(7),
|
| 954 |
|
|
};
|
| 955 |
|
|
|
| 956 |
|
|
#define SENSOR_ATTR_TEMP_ALARM(ix) \
|
| 957 |
|
|
SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \
|
| 958 |
|
|
show_temp, NULL, SHOW_TEMP_ALARM, ix-1)
|
| 959 |
|
|
|
| 960 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_temp_alarm[] = {
|
| 961 |
|
|
SENSOR_ATTR_TEMP_ALARM(1),
|
| 962 |
|
|
SENSOR_ATTR_TEMP_ALARM(2),
|
| 963 |
|
|
SENSOR_ATTR_TEMP_ALARM(3),
|
| 964 |
|
|
SENSOR_ATTR_TEMP_ALARM(4),
|
| 965 |
|
|
SENSOR_ATTR_TEMP_ALARM(5),
|
| 966 |
|
|
SENSOR_ATTR_TEMP_ALARM(6),
|
| 967 |
|
|
SENSOR_ATTR_TEMP_ALARM(7),
|
| 968 |
|
|
};
|
| 969 |
|
|
|
| 970 |
|
|
#define SENSOR_ATTR_FAN(ix) \
|
| 971 |
|
|
SENSOR_ATTR_2(fan##ix##_input, S_IRUGO, \
|
| 972 |
|
|
show_fan, NULL, SHOW_FAN_INPUT, ix-1), \
|
| 973 |
|
|
SENSOR_ATTR_2(fan##ix##_min, S_IRUGO | S_IWUSR, \
|
| 974 |
|
|
show_fan, set_fan, SHOW_SET_FAN_MIN, ix-1), \
|
| 975 |
|
|
SENSOR_ATTR_2(fan##ix##_div, S_IRUGO | S_IWUSR, \
|
| 976 |
|
|
show_fan, set_fan, SHOW_SET_FAN_DIV, ix-1), \
|
| 977 |
|
|
SENSOR_ATTR_2(fan##ix##_alarm, S_IRUGO, \
|
| 978 |
|
|
show_fan, NULL, SHOW_FAN_ALARM, ix-1)
|
| 979 |
|
|
|
| 980 |
|
|
#define SENSOR_ATTR_PWM(ix) \
|
| 981 |
|
|
SENSOR_ATTR_2(pwm##ix, S_IRUGO, \
|
| 982 |
|
|
show_pwm, NULL, SHOW_PWM, ix-1), \
|
| 983 |
|
|
SENSOR_ATTR_2(pwm##ix##_enable, S_IRUGO | S_IWUSR, \
|
| 984 |
|
|
show_pwm, set_pwm, SHOW_SET_PWM_ENABLE, ix-1), \
|
| 985 |
|
|
SENSOR_ATTR_2(pwm##ix##_auto_channels_temp, S_IRUGO | S_IWUSR, \
|
| 986 |
|
|
show_pwm, set_pwm, SHOW_SET_PWM_AUTO_CHANNELS_TEMP, ix-1)
|
| 987 |
|
|
|
| 988 |
|
|
#define SENSOR_ATTR_PWM_FREQ(ix) \
|
| 989 |
|
|
SENSOR_ATTR_2(pwm##ix##_freq, S_IRUGO | S_IWUSR, \
|
| 990 |
|
|
show_pwm, set_pwm, SHOW_SET_PWM_FREQ, ix-1)
|
| 991 |
|
|
|
| 992 |
|
|
#define SENSOR_ATTR_PWM_FREQ_RO(ix) \
|
| 993 |
|
|
SENSOR_ATTR_2(pwm##ix##_freq, S_IRUGO, \
|
| 994 |
|
|
show_pwm, NULL, SHOW_SET_PWM_FREQ, ix-1)
|
| 995 |
|
|
|
| 996 |
|
|
#define SENSOR_ATTR_PWM_AUTO_POINT_TEMP(ix, ap) \
|
| 997 |
|
|
SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_temp, S_IRUGO | S_IWUSR, \
|
| 998 |
|
|
show_pwm_auto_point_temp, set_pwm_auto_point_temp, \
|
| 999 |
|
|
ap-1, ix-1)
|
| 1000 |
|
|
|
| 1001 |
|
|
#define SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(ix, ap) \
|
| 1002 |
|
|
SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_temp, S_IRUGO, \
|
| 1003 |
|
|
show_pwm_auto_point_temp, NULL, \
|
| 1004 |
|
|
ap-1, ix-1)
|
| 1005 |
|
|
|
| 1006 |
|
|
#define SENSOR_ATTR_PWM_AUTO_POINT_PWM(ix, ap) \
|
| 1007 |
|
|
SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_pwm, S_IRUGO | S_IWUSR, \
|
| 1008 |
|
|
show_pwm_auto_point_pwm, set_pwm_auto_point_pwm, \
|
| 1009 |
|
|
ap-1, ix-1)
|
| 1010 |
|
|
|
| 1011 |
|
|
#define SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(ix, ap) \
|
| 1012 |
|
|
SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_pwm, S_IRUGO, \
|
| 1013 |
|
|
show_pwm_auto_point_pwm, NULL, \
|
| 1014 |
|
|
ap-1, ix-1)
|
| 1015 |
|
|
|
| 1016 |
|
|
static struct sensor_device_attribute_2 vt1211_sysfs_fan_pwm[] = {
|
| 1017 |
|
|
SENSOR_ATTR_FAN(1),
|
| 1018 |
|
|
SENSOR_ATTR_FAN(2),
|
| 1019 |
|
|
SENSOR_ATTR_PWM(1),
|
| 1020 |
|
|
SENSOR_ATTR_PWM(2),
|
| 1021 |
|
|
SENSOR_ATTR_PWM_FREQ(1),
|
| 1022 |
|
|
SENSOR_ATTR_PWM_FREQ_RO(2),
|
| 1023 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 1),
|
| 1024 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 2),
|
| 1025 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 3),
|
| 1026 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 4),
|
| 1027 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 1),
|
| 1028 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 2),
|
| 1029 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 3),
|
| 1030 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 4),
|
| 1031 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(1, 1),
|
| 1032 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM(1, 2),
|
| 1033 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM(1, 3),
|
| 1034 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(1, 4),
|
| 1035 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(2, 1),
|
| 1036 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM(2, 2),
|
| 1037 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM(2, 3),
|
| 1038 |
|
|
SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(2, 4),
|
| 1039 |
|
|
};
|
| 1040 |
|
|
|
| 1041 |
|
|
static struct device_attribute vt1211_sysfs_misc[] = {
|
| 1042 |
|
|
__ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm),
|
| 1043 |
|
|
__ATTR(cpu0_vid, S_IRUGO, show_vid, NULL),
|
| 1044 |
|
|
__ATTR(name, S_IRUGO, show_name, NULL),
|
| 1045 |
|
|
__ATTR(alarms, S_IRUGO, show_alarms, NULL),
|
| 1046 |
|
|
};
|
| 1047 |
|
|
|
| 1048 |
|
|
/* ---------------------------------------------------------------------
|
| 1049 |
|
|
* Device registration and initialization
|
| 1050 |
|
|
* --------------------------------------------------------------------- */
|
| 1051 |
|
|
|
| 1052 |
|
|
static void __devinit vt1211_init_device(struct vt1211_data *data)
|
| 1053 |
|
|
{
|
| 1054 |
|
|
/* set VRM */
|
| 1055 |
|
|
data->vrm = vid_which_vrm();
|
| 1056 |
|
|
|
| 1057 |
|
|
/* Read (and initialize) UCH config */
|
| 1058 |
|
|
data->uch_config = vt1211_read8(data, VT1211_REG_UCH_CONFIG);
|
| 1059 |
|
|
if (uch_config > -1) {
|
| 1060 |
|
|
data->uch_config = (data->uch_config & 0x83) |
|
| 1061 |
|
|
(uch_config << 2);
|
| 1062 |
|
|
vt1211_write8(data, VT1211_REG_UCH_CONFIG, data->uch_config);
|
| 1063 |
|
|
}
|
| 1064 |
|
|
|
| 1065 |
|
|
/* Initialize the interrupt mode (if request at module load time).
|
| 1066 |
|
|
* The VT1211 implements 3 different modes for clearing interrupts:
|
| 1067 |
|
|
* 0: Clear INT when status register is read. Regenerate INT as long
|
| 1068 |
|
|
* as temp stays above hysteresis limit.
|
| 1069 |
|
|
* 1: Clear INT when status register is read. DON'T regenerate INT
|
| 1070 |
|
|
* until temp falls below hysteresis limit and exceeds hot limit
|
| 1071 |
|
|
* again.
|
| 1072 |
|
|
* 2: Clear INT when temp falls below max limit.
|
| 1073 |
|
|
*
|
| 1074 |
|
|
* The driver only allows to force mode 0 since that's the only one
|
| 1075 |
|
|
* that makes sense for 'sensors' */
|
| 1076 |
|
|
if (int_mode == 0) {
|
| 1077 |
|
|
vt1211_write8(data, VT1211_REG_TEMP1_CONFIG, 0);
|
| 1078 |
|
|
vt1211_write8(data, VT1211_REG_TEMP2_CONFIG, 0);
|
| 1079 |
|
|
}
|
| 1080 |
|
|
|
| 1081 |
|
|
/* Fill in some hard wired values into our data struct */
|
| 1082 |
|
|
data->pwm_auto_pwm[0][3] = 255;
|
| 1083 |
|
|
data->pwm_auto_pwm[1][3] = 255;
|
| 1084 |
|
|
}
|
| 1085 |
|
|
|
| 1086 |
|
|
static void vt1211_remove_sysfs(struct platform_device *pdev)
|
| 1087 |
|
|
{
|
| 1088 |
|
|
struct device *dev = &pdev->dev;
|
| 1089 |
|
|
int i;
|
| 1090 |
|
|
|
| 1091 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
|
| 1092 |
|
|
device_remove_file(dev,
|
| 1093 |
|
|
&vt1211_sysfs_in_input[i].dev_attr);
|
| 1094 |
|
|
device_remove_file(dev,
|
| 1095 |
|
|
&vt1211_sysfs_in_min[i].dev_attr);
|
| 1096 |
|
|
device_remove_file(dev,
|
| 1097 |
|
|
&vt1211_sysfs_in_max[i].dev_attr);
|
| 1098 |
|
|
device_remove_file(dev,
|
| 1099 |
|
|
&vt1211_sysfs_in_alarm[i].dev_attr);
|
| 1100 |
|
|
}
|
| 1101 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
|
| 1102 |
|
|
device_remove_file(dev,
|
| 1103 |
|
|
&vt1211_sysfs_temp_input[i].dev_attr);
|
| 1104 |
|
|
device_remove_file(dev,
|
| 1105 |
|
|
&vt1211_sysfs_temp_max[i].dev_attr);
|
| 1106 |
|
|
device_remove_file(dev,
|
| 1107 |
|
|
&vt1211_sysfs_temp_max_hyst[i].dev_attr);
|
| 1108 |
|
|
device_remove_file(dev,
|
| 1109 |
|
|
&vt1211_sysfs_temp_alarm[i].dev_attr);
|
| 1110 |
|
|
}
|
| 1111 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
|
| 1112 |
|
|
device_remove_file(dev,
|
| 1113 |
|
|
&vt1211_sysfs_fan_pwm[i].dev_attr);
|
| 1114 |
|
|
}
|
| 1115 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
|
| 1116 |
|
|
device_remove_file(dev, &vt1211_sysfs_misc[i]);
|
| 1117 |
|
|
}
|
| 1118 |
|
|
}
|
| 1119 |
|
|
|
| 1120 |
|
|
static int __devinit vt1211_probe(struct platform_device *pdev)
|
| 1121 |
|
|
{
|
| 1122 |
|
|
struct device *dev = &pdev->dev;
|
| 1123 |
|
|
struct vt1211_data *data;
|
| 1124 |
|
|
struct resource *res;
|
| 1125 |
|
|
int i, err;
|
| 1126 |
|
|
|
| 1127 |
|
|
if (!(data = kzalloc(sizeof(struct vt1211_data), GFP_KERNEL))) {
|
| 1128 |
|
|
err = -ENOMEM;
|
| 1129 |
|
|
dev_err(dev, "Out of memory\n");
|
| 1130 |
|
|
goto EXIT;
|
| 1131 |
|
|
}
|
| 1132 |
|
|
|
| 1133 |
|
|
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
|
| 1134 |
|
|
if (!request_region(res->start, res->end - res->start + 1, DRVNAME)) {
|
| 1135 |
|
|
err = -EBUSY;
|
| 1136 |
|
|
dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
|
| 1137 |
|
|
(unsigned long)res->start, (unsigned long)res->end);
|
| 1138 |
|
|
goto EXIT_KFREE;
|
| 1139 |
|
|
}
|
| 1140 |
|
|
data->addr = res->start;
|
| 1141 |
|
|
data->name = DRVNAME;
|
| 1142 |
|
|
mutex_init(&data->update_lock);
|
| 1143 |
|
|
|
| 1144 |
|
|
platform_set_drvdata(pdev, data);
|
| 1145 |
|
|
|
| 1146 |
|
|
/* Initialize the VT1211 chip */
|
| 1147 |
|
|
vt1211_init_device(data);
|
| 1148 |
|
|
|
| 1149 |
|
|
/* Create sysfs interface files */
|
| 1150 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_in_input); i++) {
|
| 1151 |
|
|
if (ISVOLT(i, data->uch_config)) {
|
| 1152 |
|
|
if ((err = device_create_file(dev,
|
| 1153 |
|
|
&vt1211_sysfs_in_input[i].dev_attr)) ||
|
| 1154 |
|
|
(err = device_create_file(dev,
|
| 1155 |
|
|
&vt1211_sysfs_in_min[i].dev_attr)) ||
|
| 1156 |
|
|
(err = device_create_file(dev,
|
| 1157 |
|
|
&vt1211_sysfs_in_max[i].dev_attr)) ||
|
| 1158 |
|
|
(err = device_create_file(dev,
|
| 1159 |
|
|
&vt1211_sysfs_in_alarm[i].dev_attr))) {
|
| 1160 |
|
|
goto EXIT_DEV_REMOVE;
|
| 1161 |
|
|
}
|
| 1162 |
|
|
}
|
| 1163 |
|
|
}
|
| 1164 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_temp_input); i++) {
|
| 1165 |
|
|
if (ISTEMP(i, data->uch_config)) {
|
| 1166 |
|
|
if ((err = device_create_file(dev,
|
| 1167 |
|
|
&vt1211_sysfs_temp_input[i].dev_attr)) ||
|
| 1168 |
|
|
(err = device_create_file(dev,
|
| 1169 |
|
|
&vt1211_sysfs_temp_max[i].dev_attr)) ||
|
| 1170 |
|
|
(err = device_create_file(dev,
|
| 1171 |
|
|
&vt1211_sysfs_temp_max_hyst[i].dev_attr)) ||
|
| 1172 |
|
|
(err = device_create_file(dev,
|
| 1173 |
|
|
&vt1211_sysfs_temp_alarm[i].dev_attr))) {
|
| 1174 |
|
|
goto EXIT_DEV_REMOVE;
|
| 1175 |
|
|
}
|
| 1176 |
|
|
}
|
| 1177 |
|
|
}
|
| 1178 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) {
|
| 1179 |
|
|
err = device_create_file(dev,
|
| 1180 |
|
|
&vt1211_sysfs_fan_pwm[i].dev_attr);
|
| 1181 |
|
|
if (err) {
|
| 1182 |
|
|
goto EXIT_DEV_REMOVE;
|
| 1183 |
|
|
}
|
| 1184 |
|
|
}
|
| 1185 |
|
|
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) {
|
| 1186 |
|
|
err = device_create_file(dev,
|
| 1187 |
|
|
&vt1211_sysfs_misc[i]);
|
| 1188 |
|
|
if (err) {
|
| 1189 |
|
|
goto EXIT_DEV_REMOVE;
|
| 1190 |
|
|
}
|
| 1191 |
|
|
}
|
| 1192 |
|
|
|
| 1193 |
|
|
/* Register device */
|
| 1194 |
|
|
data->hwmon_dev = hwmon_device_register(dev);
|
| 1195 |
|
|
if (IS_ERR(data->hwmon_dev)) {
|
| 1196 |
|
|
err = PTR_ERR(data->hwmon_dev);
|
| 1197 |
|
|
dev_err(dev, "Class registration failed (%d)\n", err);
|
| 1198 |
|
|
goto EXIT_DEV_REMOVE_SILENT;
|
| 1199 |
|
|
}
|
| 1200 |
|
|
|
| 1201 |
|
|
return 0;
|
| 1202 |
|
|
|
| 1203 |
|
|
EXIT_DEV_REMOVE:
|
| 1204 |
|
|
dev_err(dev, "Sysfs interface creation failed (%d)\n", err);
|
| 1205 |
|
|
EXIT_DEV_REMOVE_SILENT:
|
| 1206 |
|
|
vt1211_remove_sysfs(pdev);
|
| 1207 |
|
|
release_region(res->start, res->end - res->start + 1);
|
| 1208 |
|
|
EXIT_KFREE:
|
| 1209 |
|
|
platform_set_drvdata(pdev, NULL);
|
| 1210 |
|
|
kfree(data);
|
| 1211 |
|
|
EXIT:
|
| 1212 |
|
|
return err;
|
| 1213 |
|
|
}
|
| 1214 |
|
|
|
| 1215 |
|
|
static int __devexit vt1211_remove(struct platform_device *pdev)
|
| 1216 |
|
|
{
|
| 1217 |
|
|
struct vt1211_data *data = platform_get_drvdata(pdev);
|
| 1218 |
|
|
struct resource *res;
|
| 1219 |
|
|
|
| 1220 |
|
|
hwmon_device_unregister(data->hwmon_dev);
|
| 1221 |
|
|
vt1211_remove_sysfs(pdev);
|
| 1222 |
|
|
platform_set_drvdata(pdev, NULL);
|
| 1223 |
|
|
kfree(data);
|
| 1224 |
|
|
|
| 1225 |
|
|
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
|
| 1226 |
|
|
release_region(res->start, res->end - res->start + 1);
|
| 1227 |
|
|
|
| 1228 |
|
|
return 0;
|
| 1229 |
|
|
}
|
| 1230 |
|
|
|
| 1231 |
|
|
static struct platform_driver vt1211_driver = {
|
| 1232 |
|
|
.driver = {
|
| 1233 |
|
|
.owner = THIS_MODULE,
|
| 1234 |
|
|
.name = DRVNAME,
|
| 1235 |
|
|
},
|
| 1236 |
|
|
.probe = vt1211_probe,
|
| 1237 |
|
|
.remove = __devexit_p(vt1211_remove),
|
| 1238 |
|
|
};
|
| 1239 |
|
|
|
| 1240 |
|
|
static int __init vt1211_device_add(unsigned short address)
|
| 1241 |
|
|
{
|
| 1242 |
|
|
struct resource res = {
|
| 1243 |
|
|
.start = address,
|
| 1244 |
|
|
.end = address + 0x7f,
|
| 1245 |
|
|
.flags = IORESOURCE_IO,
|
| 1246 |
|
|
};
|
| 1247 |
|
|
int err;
|
| 1248 |
|
|
|
| 1249 |
|
|
pdev = platform_device_alloc(DRVNAME, address);
|
| 1250 |
|
|
if (!pdev) {
|
| 1251 |
|
|
err = -ENOMEM;
|
| 1252 |
|
|
printk(KERN_ERR DRVNAME ": Device allocation failed (%d)\n",
|
| 1253 |
|
|
err);
|
| 1254 |
|
|
goto EXIT;
|
| 1255 |
|
|
}
|
| 1256 |
|
|
|
| 1257 |
|
|
res.name = pdev->name;
|
| 1258 |
|
|
err = platform_device_add_resources(pdev, &res, 1);
|
| 1259 |
|
|
if (err) {
|
| 1260 |
|
|
printk(KERN_ERR DRVNAME ": Device resource addition failed "
|
| 1261 |
|
|
"(%d)\n", err);
|
| 1262 |
|
|
goto EXIT_DEV_PUT;
|
| 1263 |
|
|
}
|
| 1264 |
|
|
|
| 1265 |
|
|
err = platform_device_add(pdev);
|
| 1266 |
|
|
if (err) {
|
| 1267 |
|
|
printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
|
| 1268 |
|
|
err);
|
| 1269 |
|
|
goto EXIT_DEV_PUT;
|
| 1270 |
|
|
}
|
| 1271 |
|
|
|
| 1272 |
|
|
return 0;
|
| 1273 |
|
|
|
| 1274 |
|
|
EXIT_DEV_PUT:
|
| 1275 |
|
|
platform_device_put(pdev);
|
| 1276 |
|
|
EXIT:
|
| 1277 |
|
|
return err;
|
| 1278 |
|
|
}
|
| 1279 |
|
|
|
| 1280 |
|
|
static int __init vt1211_find(int sio_cip, unsigned short *address)
|
| 1281 |
|
|
{
|
| 1282 |
|
|
int err = -ENODEV;
|
| 1283 |
|
|
|
| 1284 |
|
|
superio_enter(sio_cip);
|
| 1285 |
|
|
|
| 1286 |
|
|
if (superio_inb(sio_cip, SIO_VT1211_DEVID) != SIO_VT1211_ID) {
|
| 1287 |
|
|
goto EXIT;
|
| 1288 |
|
|
}
|
| 1289 |
|
|
|
| 1290 |
|
|
superio_select(sio_cip, SIO_VT1211_LDN_HWMON);
|
| 1291 |
|
|
|
| 1292 |
|
|
if ((superio_inb(sio_cip, SIO_VT1211_ACTIVE) & 1) == 0) {
|
| 1293 |
|
|
printk(KERN_WARNING DRVNAME ": HW monitor is disabled, "
|
| 1294 |
|
|
"skipping\n");
|
| 1295 |
|
|
goto EXIT;
|
| 1296 |
|
|
}
|
| 1297 |
|
|
|
| 1298 |
|
|
*address = ((superio_inb(sio_cip, SIO_VT1211_BADDR) << 8) |
|
| 1299 |
|
|
(superio_inb(sio_cip, SIO_VT1211_BADDR + 1))) & 0xff00;
|
| 1300 |
|
|
if (*address == 0) {
|
| 1301 |
|
|
printk(KERN_WARNING DRVNAME ": Base address is not set, "
|
| 1302 |
|
|
"skipping\n");
|
| 1303 |
|
|
goto EXIT;
|
| 1304 |
|
|
}
|
| 1305 |
|
|
|
| 1306 |
|
|
err = 0;
|
| 1307 |
|
|
printk(KERN_INFO DRVNAME ": Found VT1211 chip at 0x%04x, "
|
| 1308 |
|
|
"revision %u\n", *address,
|
| 1309 |
|
|
superio_inb(sio_cip, SIO_VT1211_DEVREV));
|
| 1310 |
|
|
|
| 1311 |
|
|
EXIT:
|
| 1312 |
|
|
superio_exit(sio_cip);
|
| 1313 |
|
|
return err;
|
| 1314 |
|
|
}
|
| 1315 |
|
|
|
| 1316 |
|
|
static int __init vt1211_init(void)
|
| 1317 |
|
|
{
|
| 1318 |
|
|
int err;
|
| 1319 |
|
|
unsigned short address = 0;
|
| 1320 |
|
|
|
| 1321 |
|
|
if ((err = vt1211_find(SIO_REG_CIP1, &address)) &&
|
| 1322 |
|
|
(err = vt1211_find(SIO_REG_CIP2, &address))) {
|
| 1323 |
|
|
goto EXIT;
|
| 1324 |
|
|
}
|
| 1325 |
|
|
|
| 1326 |
|
|
if ((uch_config < -1) || (uch_config > 31)) {
|
| 1327 |
|
|
err = -EINVAL;
|
| 1328 |
|
|
printk(KERN_WARNING DRVNAME ": Invalid UCH configuration %d. "
|
| 1329 |
|
|
"Choose a value between 0 and 31.\n", uch_config);
|
| 1330 |
|
|
goto EXIT;
|
| 1331 |
|
|
}
|
| 1332 |
|
|
|
| 1333 |
|
|
if ((int_mode < -1) || (int_mode > 0)) {
|
| 1334 |
|
|
err = -EINVAL;
|
| 1335 |
|
|
printk(KERN_WARNING DRVNAME ": Invalid interrupt mode %d. "
|
| 1336 |
|
|
"Only mode 0 is supported.\n", int_mode);
|
| 1337 |
|
|
goto EXIT;
|
| 1338 |
|
|
}
|
| 1339 |
|
|
|
| 1340 |
|
|
err = platform_driver_register(&vt1211_driver);
|
| 1341 |
|
|
if (err) {
|
| 1342 |
|
|
goto EXIT;
|
| 1343 |
|
|
}
|
| 1344 |
|
|
|
| 1345 |
|
|
/* Sets global pdev as a side effect */
|
| 1346 |
|
|
err = vt1211_device_add(address);
|
| 1347 |
|
|
if (err) {
|
| 1348 |
|
|
goto EXIT_DRV_UNREGISTER;
|
| 1349 |
|
|
}
|
| 1350 |
|
|
|
| 1351 |
|
|
return 0;
|
| 1352 |
|
|
|
| 1353 |
|
|
EXIT_DRV_UNREGISTER:
|
| 1354 |
|
|
platform_driver_unregister(&vt1211_driver);
|
| 1355 |
|
|
EXIT:
|
| 1356 |
|
|
return err;
|
| 1357 |
|
|
}
|
| 1358 |
|
|
|
| 1359 |
|
|
static void __exit vt1211_exit(void)
|
| 1360 |
|
|
{
|
| 1361 |
|
|
platform_device_unregister(pdev);
|
| 1362 |
|
|
platform_driver_unregister(&vt1211_driver);
|
| 1363 |
|
|
}
|
| 1364 |
|
|
|
| 1365 |
|
|
MODULE_AUTHOR("Juerg Haefliger <juergh@gmail.com>");
|
| 1366 |
|
|
MODULE_DESCRIPTION("VT1211 sensors");
|
| 1367 |
|
|
MODULE_LICENSE("GPL");
|
| 1368 |
|
|
|
| 1369 |
|
|
module_init(vt1211_init);
|
| 1370 |
|
|
module_exit(vt1211_exit);
|
