/* vt1211.c - Part of lm_sensors, Linux kernel modules for hardware monitoring Copyright (c) 2002 Mark D. Studebaker This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Supports VIA VT1211 Super I/O sensors via ISA (LPC) accesses only. */ #include #include #include #include #include #include #include #include "version.h" #include "sensors_vid.h" static int force_addr = 0; MODULE_PARM(force_addr, "i"); MODULE_PARM_DESC(force_addr, "Initialize the base address of the sensors"); static unsigned short normal_i2c[] = { SENSORS_I2C_END }; static unsigned short normal_i2c_range[] = { SENSORS_I2C_END }; static unsigned int normal_isa[] = { 0x0000, SENSORS_ISA_END }; static unsigned int normal_isa_range[] = { SENSORS_ISA_END }; SENSORS_INSMOD_1(vt1211); /* modified from kernel/include/traps.c */ #define REG 0x2e /* The register to read/write */ #define DEV 0x07 /* Register: Logical device select */ #define VAL 0x2f /* The value to read/write */ #define PME 0x0b /* The device with the hardware monitor */ #define DEVID 0x20 /* Register: Device ID */ static inline void superio_outb(int reg, int val) { outb(reg, REG); outb(val, VAL); } static inline int superio_inb(int reg) { outb(reg, REG); return inb(VAL); } static inline void superio_select(void) { outb(DEV, REG); outb(PME, VAL); } static inline void superio_enter(void) { outb(0x87, REG); outb(0x87, REG); } static inline void superio_exit(void) { outb(0xAA, REG); } #define VT1211_DEVID 0x3c #define VT1211_ACT_REG 0x30 #define VT1211_BASE_REG 0x60 #define VT1211_EXTENT 0x80 /* pwm numbered 1-2 */ #define VT1211_REG_PWM(nr) (0x5f + (nr)) #define VT1211_REG_PWM_CTL 0x51 /* The VT1211 registers */ /* We define the sensors as follows. Somewhat convoluted to minimize changes from via686a. Sensor Voltage Mode Temp Mode -------- ------------ --------- Reading 1 temp3 Reading 3 temp1 not in vt1211 UCH1/Reading2 in0 temp2 UCH2 in1 temp4 UCH3 in2 temp5 UCH4 in3 temp6 UCH5 in4 temp7 3.3V in5 -12V in6 not in vt1211 */ /* ins numbered 0-6 */ #define VT1211_REG_IN_MAX(nr) ((nr)==0 ? 0x3d : 0x29 + ((nr) * 2)) #define VT1211_REG_IN_MIN(nr) ((nr)==0 ? 0x3e : 0x2a + ((nr) * 2)) #define VT1211_REG_IN(nr) (0x21 + (nr)) /* fans numbered 1-2 */ #define VT1211_REG_FAN_MIN(nr) (0x3a + (nr)) #define VT1211_REG_FAN(nr) (0x28 + (nr)) static const u8 regtemp[] = { 0x20, 0x21, 0x1f, 0x22, 0x23, 0x24, 0x25 }; static const u8 regover[] = { 0x39, 0x3d, 0x1d, 0x2b, 0x2d, 0x2f, 0x31 }; static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e, 0x2c, 0x2e, 0x30, 0x32 }; /* temps numbered 1-7 */ #define VT1211_REG_TEMP(nr) (regtemp[(nr) - 1]) #define VT1211_REG_TEMP_OVER(nr) (regover[(nr) - 1]) #define VT1211_REG_TEMP_HYST(nr) (reghyst[(nr) - 1]) #define VT1211_REG_TEMP_LOW3 0x4b /* bits 7-6 */ #define VT1211_REG_TEMP_LOW2 0x49 /* bits 5-4 */ #define VT1211_REG_TEMP_LOW47 0x4d #define VT1211_REG_CONFIG 0x40 #define VT1211_REG_ALARM1 0x41 #define VT1211_REG_ALARM2 0x42 #define VT1211_REG_VID 0x45 #define VT1211_REG_FANDIV 0x47 #define VT1211_REG_UCH_CONFIG 0x4a #define VT1211_REG_TEMP1_CONFIG 0x4b #define VT1211_REG_TEMP2_CONFIG 0x4c /* temps 1-7; voltages 0-6 */ #define ISTEMP(i, ch_config) ((i) == 1 ? 1 : \ (i) == 3 ? 1 : \ (i) == 2 ? ((ch_config) >> 1) & 0x01 : \ ((ch_config) >> ((i)-1)) & 0x01) #define ISVOLT(i, ch_config) ((i) > 4 ? 1 : !(((ch_config) >> ((i)+2)) & 0x01)) #define DIV_FROM_REG(val) (1 << (val)) #define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1) #define PWM_FROM_REG(val) (val) #define PWM_TO_REG(val) SENSORS_LIMIT((val), 0, 255) #define TEMP_FROM_REG(val) ((val)*10) #define TEMP_FROM_REG10(val) (((val)*10)/4) #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-5)/10):\ ((val)+5)/10),0,255)) #define IN_FROM_REG(val) /*(((val)*10+5)/10)*/ (val) #define IN_TO_REG(val) (SENSORS_LIMIT((((val) * 10 + 5)/10),0,255)) /********* FAN RPM CONVERSIONS ********/ /* But this chip saturates back at 0, not at 255 like all the other chips. So, 0 means 0 RPM */ static inline u8 FAN_TO_REG(long rpm, int div) { if (rpm == 0) return 0; rpm = SENSORS_LIMIT(rpm, 1, 1000000); return SENSORS_LIMIT((1310720 + rpm * div / 2) / (rpm * div), 1, 255); } #define MIN_TO_REG(a,b) FAN_TO_REG(a,b) #define FAN_FROM_REG(val,div) ((val)==0?0:(val)==255?0:1310720/((val)*(div))) struct vt1211_data { struct semaphore lock; int sysctl_id; struct semaphore update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ u8 in[7]; /* Register value */ u8 in_max[7]; /* Register value */ u8 in_min[7]; /* Register value */ u16 temp[7]; /* Register value 10 bit */ u8 temp_over[7]; /* Register value */ u8 temp_hyst[7]; /* Register value */ u8 fan[2]; /* Register value */ u8 fan_min[2]; /* Register value */ u8 fan_div[2]; /* Register encoding, shifted right */ u16 alarms; /* Register encoding */ u8 pwm[2]; /* Register value */ u8 pwm_ctl; /* Register value */ u8 vid; /* Register encoding */ u8 vrm; u8 uch_config; }; static int vt1211_attach_adapter(struct i2c_adapter *adapter); static int vt1211_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind); static int vt1211_detach_client(struct i2c_client *client); static inline int vt_rdval(struct i2c_client *client, u8 register); static inline void vt1211_write_value(struct i2c_client *client, u8 register, u8 value); static void vt1211_update_client(struct i2c_client *client); static void vt1211_init_client(struct i2c_client *client); static int vt1211_find(int *address); static void vt1211_fan(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_alarms(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_fan_div(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_pwm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_vid(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_vrm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_uch(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void vt1211_temp(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static int vt1211_id = 0; static struct i2c_driver vt1211_driver = { .owner = THIS_MODULE, .name = "VT1211 sensors driver", .id = I2C_DRIVERID_VT1211, .flags = I2C_DF_NOTIFY, .attach_adapter = vt1211_attach_adapter, .detach_client = vt1211_detach_client, }; /* -- SENSORS SYSCTL START -- */ #define VT1211_SYSCTL_IN0 1000 #define VT1211_SYSCTL_IN1 1001 #define VT1211_SYSCTL_IN2 1002 #define VT1211_SYSCTL_IN3 1003 #define VT1211_SYSCTL_IN4 1004 #define VT1211_SYSCTL_IN5 1005 #define VT1211_SYSCTL_IN6 1006 #define VT1211_SYSCTL_FAN1 1101 #define VT1211_SYSCTL_FAN2 1102 #define VT1211_SYSCTL_TEMP 1200 #define VT1211_SYSCTL_TEMP2 1201 #define VT1211_SYSCTL_TEMP3 1202 #define VT1211_SYSCTL_TEMP4 1203 #define VT1211_SYSCTL_TEMP5 1204 #define VT1211_SYSCTL_TEMP6 1205 #define VT1211_SYSCTL_TEMP7 1206 #define VT1211_SYSCTL_VID 1300 #define VT1211_SYSCTL_PWM1 1401 #define VT1211_SYSCTL_PWM2 1402 #define VT1211_SYSCTL_VRM 1600 #define VT1211_SYSCTL_UCH 1700 #define VT1211_SYSCTL_FAN_DIV 2000 #define VT1211_SYSCTL_ALARMS 2001 #define VT1211_ALARM_IN1 0x01 #define VT1211_ALARM_IN2 0x02 #define VT1211_ALARM_IN5 0x04 #define VT1211_ALARM_IN3 0x08 #define VT1211_ALARM_TEMP 0x10 #define VT1211_ALARM_FAN1 0x40 #define VT1211_ALARM_FAN2 0x80 #define VT1211_ALARM_IN4 0x100 #define VT1211_ALARM_IN6 0x200 #define VT1211_ALARM_TEMP2 0x800 #define VT1211_ALARM_CHAS 0x1000 #define VT1211_ALARM_TEMP3 0x8000 /* duplicates */ #define VT1211_ALARM_IN0 VT1211_ALARM_TEMP #define VT1211_ALARM_TEMP4 VT1211_ALARM_IN1 #define VT1211_ALARM_TEMP5 VT1211_ALARM_IN2 #define VT1211_ALARM_TEMP6 VT1211_ALARM_IN3 #define VT1211_ALARM_TEMP7 VT1211_ALARM_IN4 /* -- SENSORS SYSCTL END -- */ static ctl_table vt1211_dir_table_template[] = { {VT1211_SYSCTL_IN0, "in0", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_IN1, "in1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_IN2, "in2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_IN3, "in3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_IN4, "in4", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_IN5, "in5", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, /* datasheet says these are reserved {VT1211_SYSCTL_IN6, "in6", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_in}, {VT1211_SYSCTL_TEMP, "temp1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, */ {VT1211_SYSCTL_TEMP2, "temp2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_TEMP3, "temp3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_TEMP4, "temp4", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_TEMP5, "temp5", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_TEMP6, "temp6", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_TEMP7, "temp7", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_temp}, {VT1211_SYSCTL_FAN1, "fan1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_fan}, {VT1211_SYSCTL_FAN2, "fan2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_fan}, {VT1211_SYSCTL_FAN_DIV, "fan_div", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_fan_div}, {VT1211_SYSCTL_ALARMS, "alarms", NULL, 0, 0444, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_alarms}, {VT1211_SYSCTL_PWM1, "pwm1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_pwm}, {VT1211_SYSCTL_PWM2, "pwm2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_pwm}, {VT1211_SYSCTL_VID, "vid", NULL, 0, 0444, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_vid}, {VT1211_SYSCTL_VRM, "vrm", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_vrm}, {VT1211_SYSCTL_UCH, "uch_config", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &vt1211_uch}, {0} }; static int vt1211_attach_adapter(struct i2c_adapter *adapter) { return i2c_detect(adapter, &addr_data, vt1211_detect); } static int vt1211_find(int *address) { u16 val; superio_enter(); val= superio_inb(DEVID); if(VT1211_DEVID != val) { superio_exit(); return -ENODEV; } superio_select(); val = (superio_inb(VT1211_BASE_REG) << 8) | superio_inb(VT1211_BASE_REG + 1); *address = val & ~(VT1211_EXTENT - 1); if (*address == 0 && force_addr == 0) { printk("vt1211.o: base address not set - use force_addr=0xaddr\n"); superio_exit(); return -ENODEV; } if (force_addr) *address = force_addr; /* so detect will get called */ superio_exit(); return 0; } int vt1211_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind) { int i; struct i2c_client *new_client; struct vt1211_data *data; int err = 0; u8 val; const char *type_name = "vt1211"; const char *client_name = "VT1211 chip"; if (!i2c_is_isa_adapter(adapter)) { return 0; } if(force_addr) address = force_addr & ~(VT1211_EXTENT - 1); if (check_region(address, VT1211_EXTENT)) { printk("vt1211.o: region 0x%x already in use!\n", address); return -ENODEV; } if(force_addr) { printk("vt1211.o: forcing ISA address 0x%04X\n", address); superio_enter(); superio_select(); superio_outb(VT1211_BASE_REG, address >> 8); superio_outb(VT1211_BASE_REG+1, address & 0xff); superio_exit(); } superio_enter(); superio_select(); if((val = 0x01 & superio_inb(VT1211_ACT_REG)) == 0) superio_outb(VT1211_ACT_REG, 1); superio_exit(); if (!(new_client = kmalloc(sizeof(struct i2c_client) + sizeof(struct vt1211_data), GFP_KERNEL))) { return -ENOMEM; } data = (struct vt1211_data *) (new_client + 1); new_client->addr = address; init_MUTEX(&data->lock); new_client->data = data; new_client->adapter = adapter; new_client->driver = &vt1211_driver; new_client->flags = 0; request_region(address, VT1211_EXTENT, "vt1211-sensors"); strcpy(new_client->name, client_name); new_client->id = vt1211_id++; data->valid = 0; init_MUTEX(&data->update_lock); if ((err = i2c_attach_client(new_client))) goto ERROR3; if ((i = i2c_register_entry((struct i2c_client *) new_client, type_name, vt1211_dir_table_template)) < 0) { err = i; goto ERROR4; } data->sysctl_id = i; vt1211_init_client(new_client); return 0; ERROR4: i2c_detach_client(new_client); ERROR3: release_region(address, VT1211_EXTENT); kfree(new_client); return err; } static int vt1211_detach_client(struct i2c_client *client) { int err; i2c_deregister_entry(((struct vt1211_data *) (client->data))-> sysctl_id); if ((err = i2c_detach_client(client))) { printk ("vt1211.o: Client deregistration failed, client not detached.\n"); return err; } release_region(client->addr, VT1211_EXTENT); kfree(client); return 0; } static inline int vt_rdval(struct i2c_client *client, u8 reg) { return (inb_p(client->addr + reg)); } static inline void vt1211_write_value(struct i2c_client *client, u8 reg, u8 value) { outb_p(value, client->addr + reg); } static void vt1211_init_client(struct i2c_client *client) { struct vt1211_data *data = client->data; data->vrm = DEFAULT_VRM; /* set "default" interrupt mode for alarms, which isn't the default */ vt1211_write_value(client, VT1211_REG_TEMP1_CONFIG, 0); vt1211_write_value(client, VT1211_REG_TEMP2_CONFIG, 0); } static void vt1211_update_client(struct i2c_client *client) { struct vt1211_data *data = client->data; int i, j; down(&data->update_lock); if ((jiffies - data->last_updated > HZ + HZ / 2) || (jiffies < data->last_updated) || !data->valid) { data->uch_config = vt_rdval(client, VT1211_REG_UCH_CONFIG); for (i = 0; i <= 5; i++) { if(ISVOLT(i, data->uch_config)) { data->in[i] = vt_rdval(client, VT1211_REG_IN(i)); data->in_min[i] = vt_rdval(client, VT1211_REG_IN_MIN(i)); data->in_max[i] = vt_rdval(client, VT1211_REG_IN_MAX(i)); } else { data->in[i] = 0; data->in_min[i] = 0; data->in_max[i] = 0; } } for (i = 1; i <= 2; i++) { data->fan[i - 1] = vt_rdval(client, VT1211_REG_FAN(i)); data->fan_min[i - 1] = vt_rdval(client, VT1211_REG_FAN_MIN(i)); } for (i = 2; i <= 7; i++) { if(ISTEMP(i, data->uch_config)) { data->temp[i - 1] = vt_rdval(client, VT1211_REG_TEMP(i)) << 2; switch(i) { case 1: /* ? */ j = 0; break; case 2: j = (vt_rdval(client, VT1211_REG_TEMP_LOW2) & 0x30) >> 4; break; case 3: j = (vt_rdval(client, VT1211_REG_TEMP_LOW3) & 0xc0) >> 6; break; case 4: case 5: case 6: case 7: default: j = (vt_rdval(client, VT1211_REG_TEMP_LOW47) >> ((i-4)*2)) & 0x03; break; } data->temp[i - 1] |= j; data->temp_over[i - 1] = vt_rdval(client, VT1211_REG_TEMP_OVER(i)); data->temp_hyst[i - 1] = vt_rdval(client, VT1211_REG_TEMP_HYST(i)); } else { data->temp[i - 1] = 0; data->temp_over[i - 1] = 0; data->temp_hyst[i - 1] = 0; } } for (i = 1; i <= 2; i++) { data->fan[i - 1] = vt_rdval(client, VT1211_REG_FAN(i)); data->fan_min[i - 1] = vt_rdval(client, VT1211_REG_FAN_MIN(i)); data->pwm[i - 1] = vt_rdval(client, VT1211_REG_PWM(i)); } data->pwm_ctl = vt_rdval(client, VT1211_REG_PWM_CTL); i = vt_rdval(client, VT1211_REG_FANDIV); data->fan_div[0] = (i >> 4) & 0x03; data->fan_div[1] = i >> 6; data->alarms = vt_rdval(client, VT1211_REG_ALARM1) | (vt_rdval(client, VT1211_REG_ALARM2) << 8); data->vid= vt_rdval(client, VT1211_REG_VID) & 0x1f; data->last_updated = jiffies; data->valid = 1; } up(&data->update_lock); } void vt1211_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; int nr = ctl_name - VT1211_SYSCTL_IN0; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 2; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = IN_FROM_REG(data->in_min[nr]); results[1] = IN_FROM_REG(data->in_max[nr]); results[2] = IN_FROM_REG(data->in[nr]); *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) { data->in_min[nr] = IN_TO_REG(results[0]); vt1211_write_value(client, VT1211_REG_IN_MIN(nr), data->in_min[nr]); } if (*nrels_mag >= 2) { data->in_max[nr] = IN_TO_REG(results[1]); vt1211_write_value(client, VT1211_REG_IN_MAX(nr), data->in_max[nr]); } } } void vt1211_fan(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; int nr = ctl_name - VT1211_SYSCTL_FAN1 + 1; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = FAN_FROM_REG(data->fan_min[nr - 1], DIV_FROM_REG(data->fan_div [nr - 1])); results[1] = FAN_FROM_REG(data->fan[nr - 1], DIV_FROM_REG(data->fan_div[nr - 1])); *nrels_mag = 2; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) { data->fan_min[nr - 1] = MIN_TO_REG(results[0], DIV_FROM_REG (data-> fan_div[nr-1])); vt1211_write_value(client, VT1211_REG_FAN_MIN(nr), data->fan_min[nr - 1]); } } } void vt1211_temp(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; int nr = ctl_name - VT1211_SYSCTL_TEMP; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = TEMP_FROM_REG(data->temp_over[nr]); results[1] = TEMP_FROM_REG(data->temp_hyst[nr]); results[2] = TEMP_FROM_REG10(data->temp[nr]); *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) { data->temp_over[nr] = TEMP_TO_REG(results[0]); vt1211_write_value(client, VT1211_REG_TEMP_OVER(nr + 1), data->temp_over[nr]); } if (*nrels_mag >= 2) { data->temp_hyst[nr] = TEMP_TO_REG(results[1]); vt1211_write_value(client, VT1211_REG_TEMP_HYST(nr + 1), data->temp_hyst[nr]); } } } void vt1211_alarms(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = data->alarms; *nrels_mag = 1; } } void vt1211_fan_div(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; int old; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = DIV_FROM_REG(data->fan_div[0]); results[1] = DIV_FROM_REG(data->fan_div[1]); *nrels_mag = 2; } else if (operation == SENSORS_PROC_REAL_WRITE) { old = vt_rdval(client, VT1211_REG_FANDIV); if (*nrels_mag >= 2) { data->fan_div[1] = DIV_TO_REG(results[1]); old = (old & 0x3f) | (data->fan_div[1] << 6); } if (*nrels_mag >= 1) { data->fan_div[0] = DIV_TO_REG(results[0]); old = (old & 0xcf) | (data->fan_div[0] << 4); vt1211_write_value(client, VT1211_REG_FANDIV, old); } } } void vt1211_pwm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; int nr = 1 + ctl_name - VT1211_SYSCTL_PWM1; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = PWM_FROM_REG(data->pwm[nr - 1]); results[1] = (data->pwm_ctl >> (3 + (4 * (nr - 1)))) & 1; *nrels_mag = 2; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) { data->pwm[nr - 1] = PWM_TO_REG(results[0]); if (*nrels_mag >= 2) { if(results[1]) { data->pwm_ctl |= (0x08 << (4 * (nr - 1))); vt1211_write_value(client, VT1211_REG_PWM_CTL, data->pwm_ctl); } else { data->pwm_ctl &= ~ (0x08 << (4 * (nr - 1))); vt1211_write_value(client, VT1211_REG_PWM_CTL, data->pwm_ctl); } } vt1211_write_value(client, VT1211_REG_PWM(nr), data->pwm[nr - 1]); } } } void vt1211_vid(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 3; else if (operation == SENSORS_PROC_REAL_READ) { vt1211_update_client(client); results[0] = vid_from_reg(data->vid, data->vrm); *nrels_mag = 1; } } void vt1211_vrm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { results[0] = data->vrm; *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) data->vrm = results[0]; } } void vt1211_uch(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct vt1211_data *data = client->data; if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { results[0] = data->uch_config & 0x7c; *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { if (*nrels_mag >= 1) { data->uch_config = (data->uch_config & 0x83)|(results[0] & 0x7c); vt1211_write_value(client, VT1211_REG_UCH_CONFIG, data->uch_config); } } } static int __init sm_vt1211_init(void) { int addr; printk("vt1211.o version %s (%s)\n", LM_VERSION, LM_DATE); if (vt1211_find(&addr)) { printk("vt1211.o: VT1211 not detected, module not inserted.\n"); return -ENODEV; } normal_isa[0] = addr; return i2c_add_driver(&vt1211_driver); } static void __exit sm_vt1211_exit(void) { i2c_del_driver(&vt1211_driver); } MODULE_AUTHOR("Mark D. Studebaker "); MODULE_DESCRIPTION("VT1211 sensors"); MODULE_LICENSE("GPL"); module_init(sm_vt1211_init); module_exit(sm_vt1211_exit);