From 30846993047b6611dece427a05b0135d97063153 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Mon, 24 Jun 2013 22:21:59 -0700 Subject: hwmon: (nct6775) Add support for beep attributes Signed-off-by: Guenter Roeck --- drivers/hwmon/nct6775.c | 239 +++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 218 insertions(+), 21 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 1560f2359f6a..6386d1b16a23 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -171,6 +171,7 @@ superio_exit(int ioreg) #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ #define NUM_REG_ALARM 7 /* Max number of alarm registers */ +#define NUM_REG_BEEP 5 /* Max number of beep registers */ /* Common and NCT6775 specific data */ @@ -197,7 +198,7 @@ static const u16 NCT6775_REG_IN[] = { static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; -/* 0..15 voltages, 16..23 fans, 24..31 temperatures */ +/* 0..15 voltages, 16..23 fans, 24..29 temperatures, 30..31 intrusion */ static const s8 NCT6775_ALARM_BITS[] = { 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ @@ -212,6 +213,23 @@ static const s8 NCT6775_ALARM_BITS[] = { #define TEMP_ALARM_BASE 24 #define INTRUSION_ALARM_BASE 30 +static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e }; + +/* + * 0..14 voltages, 15 global beep enable, 16..23 fans, 24..29 temperatures, + * 30..31 intrusion + */ +static const s8 NCT6775_BEEP_BITS[] = { + 0, 1, 2, 3, 8, 9, 10, 16, /* in0.. in7 */ + 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ + 21, /* global beep enable */ + 6, 7, 11, 28, -1, /* fan1..fan5 */ + -1, -1, -1, /* unused */ + 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ + 12, -1 }; /* intrusion0, intrusion1 */ + +#define BEEP_ENABLE_BASE 15 + static const u8 NCT6775_REG_CR_CASEOPEN_CLR[] = { 0xe6, 0xee }; static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; @@ -330,6 +348,17 @@ static const s8 NCT6776_ALARM_BITS[] = { 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ 12, 9 }; /* intrusion0, intrusion1 */ +static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5 }; + +static const s8 NCT6776_BEEP_BITS[] = { + 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ + 8, -1, -1, -1, -1, -1, -1, /* in8..in14 */ + 24, /* global beep enable */ + 25, 26, 27, 28, 29, /* fan1..fan5 */ + -1, -1, -1, /* unused */ + 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ + 30, 31 }; /* intrusion0, intrusion1 */ + static const u16 NCT6776_REG_TOLERANCE_H[] = { 0x10c, 0x20c, 0x30c, 0x80c, 0x90c }; @@ -395,6 +424,15 @@ static const s8 NCT6779_ALARM_BITS[] = { 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ 12, 9 }; /* intrusion0, intrusion1 */ +static const s8 NCT6779_BEEP_BITS[] = { + 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ + 8, 9, 10, 11, 12, 13, 14, /* in8..in14 */ + 24, /* global beep enable */ + 25, 26, 27, 28, 29, /* fan1..fan5 */ + -1, -1, -1, /* unused */ + 16, 17, -1, -1, -1, -1, /* temp1..temp6 */ + 30, 31 }; /* intrusion0, intrusion1 */ + static const u16 NCT6779_REG_FAN[] = { 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8 }; static const u16 NCT6779_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0x647, 0x648 }; @@ -535,6 +573,19 @@ static const s8 NCT6106_ALARM_BITS[] = { 48, -1 /* intrusion0, intrusion1 */ }; +static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = { + 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 }; + +static const s8 NCT6106_BEEP_BITS[] = { + 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ + 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */ + 32, /* global beep enable */ + 24, 25, 26, 27, 28, /* fan1..fan5 */ + -1, -1, -1, /* unused */ + 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ + 34, -1 /* intrusion0, intrusion1 */ +}; + static const u16 NCT6106_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x51, 0x52, 0x54 }; @@ -665,6 +716,7 @@ struct nct6775_data { u8 DIODE_MASK; const s8 *ALARM_BITS; + const s8 *BEEP_BITS; const u16 *REG_VIN; const u16 *REG_IN_MINMAX[2]; @@ -706,6 +758,7 @@ struct nct6775_data { const u16 *REG_TEMP_OFFSET; const u16 *REG_ALARM; + const u16 *REG_BEEP; unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg); unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg); @@ -728,12 +781,14 @@ struct nct6775_data { bool has_fan_div; u8 num_temp_alarms; /* 2, 3, or 6 */ + u8 num_temp_beeps; /* 2, 3, or 6 */ u8 temp_fixed_num; /* 3 or 6 */ u8 temp_type[NUM_TEMP_FIXED]; s8 temp_offset[NUM_TEMP_FIXED]; s16 temp[4][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, * 3=temp_crit */ u64 alarms; + u64 beeps; u8 pwm_num; /* number of pwm */ u8 pwm_mode[5]; /* 1->DC variable voltage, 0->PWM variable duty cycle */ @@ -1385,6 +1440,15 @@ static struct nct6775_data *nct6775_update_device(struct device *dev) data->alarms |= ((u64)alarm) << (i << 3); } + data->beeps = 0; + for (i = 0; i < NUM_REG_BEEP; i++) { + u8 beep; + if (!data->REG_BEEP[i]) + continue; + beep = nct6775_read_value(data, data->REG_BEEP[i]); + data->beeps |= ((u64)beep) << (i << 3); + } + data->last_updated = jiffies; data->valid = true; } @@ -1472,12 +1536,105 @@ show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) return sprintf(buf, "%u\n", alarm); } +static ssize_t +show_beep(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6775_data *data = nct6775_update_device(dev); + int nr = data->BEEP_BITS[sattr->index]; + + return sprintf(buf, "%u\n", + (unsigned int)((data->beeps >> nr) & 0x01)); +} + +static ssize_t +store_beep(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) +{ + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + struct nct6775_data *data = dev_get_drvdata(dev); + int nr = data->BEEP_BITS[sattr->index]; + int regindex = nr >> 3; + unsigned long val; + + int err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + if (val > 1) + return -EINVAL; + + mutex_lock(&data->update_lock); + if (val) + data->beeps |= (1ULL << nr); + else + data->beeps &= ~(1ULL << nr); + nct6775_write_value(data, data->REG_BEEP[regindex], + (data->beeps >> (regindex << 3)) & 0xff); + mutex_unlock(&data->update_lock); + return count; +} + +static ssize_t +show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); + struct nct6775_data *data = nct6775_update_device(dev); + unsigned int beep = 0; + int nr; + + /* + * For temperatures, there is no fixed mapping from registers to beep + * enable bits. Beep enable bits are determined by the temperature + * source mapping. + */ + nr = find_temp_source(data, sattr->index, data->num_temp_beeps); + if (nr >= 0) { + int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; + beep = (data->beeps >> bit) & 0x01; + } + return sprintf(buf, "%u\n", beep); +} + +static ssize_t +store_temp_beep(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + struct nct6775_data *data = dev_get_drvdata(dev); + int nr, bit, regindex; + unsigned long val; + + int err = kstrtoul(buf, 10, &val); + if (err < 0) + return err; + if (val > 1) + return -EINVAL; + + nr = find_temp_source(data, sattr->index, data->num_temp_beeps); + if (nr < 0) + return -ENODEV; + + bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; + regindex = bit >> 3; + + mutex_lock(&data->update_lock); + if (val) + data->beeps |= (1ULL << bit); + else + data->beeps &= ~(1ULL << bit); + nct6775_write_value(data, data->REG_BEEP[regindex], + (data->beeps >> (regindex << 3)) & 0xff); + mutex_unlock(&data->update_lock); + + return count; +} + static umode_t nct6775_in_is_visible(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); struct nct6775_data *data = dev_get_drvdata(dev); - int in = index / 4; /* voltage index */ + int in = index / 5; /* voltage index */ if (!(data->have_in & (1 << in))) return 0; @@ -1487,6 +1644,8 @@ static umode_t nct6775_in_is_visible(struct kobject *kobj, SENSOR_TEMPLATE_2(in_input, "in%d_input", S_IRUGO, show_in_reg, NULL, 0, 0); SENSOR_TEMPLATE(in_alarm, "in%d_alarm", S_IRUGO, show_alarm, NULL, 0); +SENSOR_TEMPLATE(in_beep, "in%d_beep", S_IWUSR | S_IRUGO, show_beep, store_beep, + 0); SENSOR_TEMPLATE_2(in_min, "in%d_min", S_IWUSR | S_IRUGO, show_in_reg, store_in_reg, 0, 1); SENSOR_TEMPLATE_2(in_max, "in%d_max", S_IWUSR | S_IRUGO, show_in_reg, @@ -1500,6 +1659,7 @@ SENSOR_TEMPLATE_2(in_max, "in%d_max", S_IWUSR | S_IRUGO, show_in_reg, static struct sensor_device_template *nct6775_attributes_in_template[] = { &sensor_dev_template_in_input, &sensor_dev_template_in_alarm, + &sensor_dev_template_in_beep, &sensor_dev_template_in_min, &sensor_dev_template_in_max, NULL @@ -1677,17 +1837,19 @@ static umode_t nct6775_fan_is_visible(struct kobject *kobj, { struct device *dev = container_of(kobj, struct device, kobj); struct nct6775_data *data = dev_get_drvdata(dev); - int fan = index / 5; /* fan index */ - int nr = index % 5; /* attribute index */ + int fan = index / 6; /* fan index */ + int nr = index % 6; /* attribute index */ if (!(data->has_fan & (1 << fan))) return 0; if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1) return 0; - if (nr == 3 && !(data->has_fan_min & (1 << fan))) + if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1) return 0; - if (nr == 4 && data->kind != nct6775) + if (nr == 4 && !(data->has_fan_min & (1 << fan))) + return 0; + if (nr == 5 && data->kind != nct6775) return 0; return attr->mode; @@ -1696,6 +1858,8 @@ static umode_t nct6775_fan_is_visible(struct kobject *kobj, SENSOR_TEMPLATE(fan_input, "fan%d_input", S_IRUGO, show_fan, NULL, 0); SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE); +SENSOR_TEMPLATE(fan_beep, "fan%d_beep", S_IWUSR | S_IRUGO, show_beep, + store_beep, FAN_ALARM_BASE); SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", S_IWUSR | S_IRUGO, show_fan_pulses, store_fan_pulses, 0); SENSOR_TEMPLATE(fan_min, "fan%d_min", S_IWUSR | S_IRUGO, show_fan_min, @@ -1710,9 +1874,10 @@ SENSOR_TEMPLATE(fan_div, "fan%d_div", S_IRUGO, show_fan_div, NULL, 0); static struct sensor_device_template *nct6775_attributes_fan_template[] = { &sensor_dev_template_fan_input, &sensor_dev_template_fan_alarm, /* 1 */ + &sensor_dev_template_fan_beep, /* 2 */ &sensor_dev_template_fan_pulses, - &sensor_dev_template_fan_min, /* 3 */ - &sensor_dev_template_fan_div, /* 4 */ + &sensor_dev_template_fan_min, /* 4 */ + &sensor_dev_template_fan_div, /* 5 */ NULL }; @@ -1855,8 +2020,8 @@ static umode_t nct6775_temp_is_visible(struct kobject *kobj, { struct device *dev = container_of(kobj, struct device, kobj); struct nct6775_data *data = dev_get_drvdata(dev); - int temp = index / 9; /* temp index */ - int nr = index % 9; /* attribute index */ + int temp = index / 10; /* temp index */ + int nr = index % 10; /* attribute index */ if (!(data->have_temp & (1 << temp))) return 0; @@ -1864,20 +2029,23 @@ static umode_t nct6775_temp_is_visible(struct kobject *kobj, if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0) return 0; /* alarm */ - if (nr == 3 && !data->reg_temp[1][temp]) /* max */ + if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0) + return 0; /* beep */ + + if (nr == 4 && !data->reg_temp[1][temp]) /* max */ return 0; - if (nr == 4 && !data->reg_temp[2][temp]) /* max_hyst */ + if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */ return 0; - if (nr == 5 && !data->reg_temp[3][temp]) /* crit */ + if (nr == 6 && !data->reg_temp[3][temp]) /* crit */ return 0; - if (nr == 6 && !data->reg_temp[4][temp]) /* lcrit */ + if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */ return 0; /* offset and type only apply to fixed sensors */ - if (nr > 6 && !(data->have_temp_fixed & (1 << temp))) + if (nr > 7 && !(data->have_temp_fixed & (1 << temp))) return 0; return attr->mode; @@ -1898,6 +2066,8 @@ SENSOR_TEMPLATE(temp_offset, "temp%d_offset", S_IRUGO | S_IWUSR, SENSOR_TEMPLATE(temp_type, "temp%d_type", S_IRUGO | S_IWUSR, show_temp_type, store_temp_type, 0); SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", S_IRUGO, show_temp_alarm, NULL, 0); +SENSOR_TEMPLATE(temp_beep, "temp%d_beep", S_IRUGO | S_IWUSR, show_temp_beep, + store_temp_beep, 0); /* * nct6775_temp_is_visible uses the index into the following array @@ -1908,12 +2078,13 @@ static struct sensor_device_template *nct6775_attributes_temp_template[] = { &sensor_dev_template_temp_input, &sensor_dev_template_temp_label, &sensor_dev_template_temp_alarm, /* 2 */ - &sensor_dev_template_temp_max, /* 3 */ - &sensor_dev_template_temp_max_hyst, /* 4 */ - &sensor_dev_template_temp_crit, /* 5 */ - &sensor_dev_template_temp_lcrit, /* 6 */ - &sensor_dev_template_temp_offset, /* 7 */ - &sensor_dev_template_temp_type, /* 8 */ + &sensor_dev_template_temp_beep, /* 3 */ + &sensor_dev_template_temp_max, /* 4 */ + &sensor_dev_template_temp_max_hyst, /* 5 */ + &sensor_dev_template_temp_crit, /* 6 */ + &sensor_dev_template_temp_lcrit, /* 7 */ + &sensor_dev_template_temp_offset, /* 8 */ + &sensor_dev_template_temp_type, /* 9 */ NULL }; @@ -2845,6 +3016,12 @@ static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm, clear_caseopen, INTRUSION_ALARM_BASE); static SENSOR_DEVICE_ATTR(intrusion1_alarm, S_IWUSR | S_IRUGO, show_alarm, clear_caseopen, INTRUSION_ALARM_BASE + 1); +static SENSOR_DEVICE_ATTR(intrusion0_beep, S_IWUSR | S_IRUGO, show_beep, + store_beep, INTRUSION_ALARM_BASE); +static SENSOR_DEVICE_ATTR(intrusion1_beep, S_IWUSR | S_IRUGO, show_beep, + store_beep, INTRUSION_ALARM_BASE + 1); +static SENSOR_DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_beep, + store_beep, BEEP_ENABLE_BASE); static umode_t nct6775_other_is_visible(struct kobject *kobj, struct attribute *attr, int index) @@ -2860,6 +3037,11 @@ static umode_t nct6775_other_is_visible(struct kobject *kobj, return 0; } + if (index == 4 || index == 5) { + if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0) + return 0; + } + return attr->mode; } @@ -2873,6 +3055,9 @@ static struct attribute *nct6775_attributes_other[] = { &dev_attr_cpu0_vid.attr, /* 1 */ &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 2 */ &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 3 */ + &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 4 */ + &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 5 */ + &sensor_dev_attr_beep_enable.dev_attr.attr, /* 6 */ NULL }; @@ -3094,6 +3279,7 @@ static int nct6775_probe(struct platform_device *pdev) data->auto_pwm_num = 4; data->temp_fixed_num = 3; data->num_temp_alarms = 6; + data->num_temp_beeps = 6; data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; @@ -3142,6 +3328,8 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6106_REG_ALARM; data->ALARM_BITS = NCT6106_ALARM_BITS; + data->REG_BEEP = NCT6106_REG_BEEP; + data->BEEP_BITS = NCT6106_BEEP_BITS; reg_temp = NCT6106_REG_TEMP; num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); @@ -3161,8 +3349,10 @@ static int nct6775_probe(struct platform_device *pdev) data->has_fan_div = true; data->temp_fixed_num = 3; data->num_temp_alarms = 3; + data->num_temp_beeps = 3; data->ALARM_BITS = NCT6775_ALARM_BITS; + data->BEEP_BITS = NCT6775_BEEP_BITS; data->fan_from_reg = fan_from_reg16; data->fan_from_reg_min = fan_from_reg8; @@ -3211,6 +3401,7 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6775_REG_ALARM; + data->REG_BEEP = NCT6775_REG_BEEP; reg_temp = NCT6775_REG_TEMP; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); @@ -3228,8 +3419,10 @@ static int nct6775_probe(struct platform_device *pdev) data->has_fan_div = false; data->temp_fixed_num = 3; data->num_temp_alarms = 3; + data->num_temp_beeps = 6; data->ALARM_BITS = NCT6776_ALARM_BITS; + data->BEEP_BITS = NCT6776_BEEP_BITS; data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; @@ -3278,6 +3471,7 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6775_REG_ALARM; + data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6775_REG_TEMP; num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); @@ -3295,8 +3489,10 @@ static int nct6775_probe(struct platform_device *pdev) data->has_fan_div = false; data->temp_fixed_num = 6; data->num_temp_alarms = 2; + data->num_temp_beeps = 2; data->ALARM_BITS = NCT6779_ALARM_BITS; + data->BEEP_BITS = NCT6779_BEEP_BITS; data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; @@ -3349,6 +3545,7 @@ static int nct6775_probe(struct platform_device *pdev) data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; data->REG_ALARM = NCT6779_REG_ALARM; + data->REG_BEEP = NCT6776_REG_BEEP; reg_temp = NCT6779_REG_TEMP; num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); -- cgit v1.2.3