/*
w83627ehf - Driver for the hardware monitoring functionality of
the Winbond W83627EHF Super-I/O chip
- Copyright (C) 2005 Jean Delvare <khali@linux-fr.org>
+ Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org>
Copyright (C) 2006 Yuan Mu (Winbond),
Rudolf Marek <r.marek@assembler.cz>
David Hubbard <david.c.hubbard@gmail.com>
0x8860 0xa1
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
+ w83627uhg 8 2 2 3 0xa230 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
w83667hg-b 9 5 3 4 0xb350 0xc1 0x5ca3
nct6775f 9 4 3 9 0xb470 0xc1 0x5ca3
#include <linux/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b, nct6775,
- nct6776 };
+enum kinds {
+ w83627ehf, w83627dhg, w83627dhg_p, w83627uhg,
+ w83667hg, w83667hg_b, nct6775, nct6776,
+};
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * const w83627ehf_device_names[] = {
"w83627ehf",
"w83627dhg",
"w83627dhg",
+ "w83627uhg",
"w83667hg",
"w83667hg",
"nct6775",
#define SIO_W83627EHG_ID 0x8860
#define SIO_W83627DHG_ID 0xa020
#define SIO_W83627DHG_P_ID 0xb070
+#define SIO_W83627UHG_ID 0xa230
#define SIO_W83667HG_ID 0xa510
#define SIO_W83667HG_B_ID 0xb350
#define SIO_NCT6775_ID 0xb470
return 1 << reg;
}
-/* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */
-
-static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 };
+/* Some of the voltage inputs have internal scaling, the tables below
+ * contain 8 (the ADC LSB in mV) * scaling factor * 100 */
+static const u16 scale_in_common[10] = {
+ 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800
+};
+static const u16 scale_in_w83627uhg[9] = {
+ 800, 800, 3328, 3424, 800, 800, 0, 3328, 3400
+};
-static inline long in_from_reg(u8 reg, u8 nr)
+static inline long in_from_reg(u8 reg, u8 nr, const u16 *scale_in)
{
- return reg * scale_in[nr];
+ return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100);
}
-static inline u8 in_to_reg(u32 val, u8 nr)
+static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scale_in)
{
- return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0,
+ return SENSORS_LIMIT(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0,
255);
}
const u16 *REG_FAN_STOP_TIME;
const u16 *REG_FAN_MAX_OUTPUT;
const u16 *REG_FAN_STEP_OUTPUT;
+ const u16 *scale_in;
unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
u8 vrm;
u16 have_temp;
- u8 in6_skip;
+ u8 in6_skip:1;
+ u8 temp3_val_only:1;
};
struct w83627ehf_sio_data {
struct sensor_device_attribute *sensor_attr = \
to_sensor_dev_attr(attr); \
int nr = sensor_attr->index; \
- return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \
+ return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr, \
+ data->scale_in)); \
}
show_in_reg(in)
show_in_reg(in_min)
if (err < 0) \
return err; \
mutex_lock(&data->update_lock); \
- data->in_##reg[nr] = in_to_reg(val, nr); \
+ data->in_##reg[nr] = in_to_reg(val, nr, data->scale_in); \
w83627ehf_write_value(data, W83627EHF_REG_IN_##REG(nr), \
data->in_##reg[nr]); \
mutex_unlock(&data->update_lock); \
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+ struct w83627ehf_sio_data *sio_data = dev->platform_data;
int nr = sensor_attr->index;
unsigned long val;
int err;
if (val > 1)
return -EINVAL;
+
+ /* On NCT67766F, DC mode is only supported for pwm1 */
+ if (sio_data->kind == nct6776 && nr && val != 1)
+ return -EINVAL;
+
mutex_lock(&data->update_lock);
reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]);
data->pwm_mode[nr] = val;
val = step_time_to_reg(val, data->pwm_mode[nr]); \
mutex_lock(&data->update_lock); \
data->reg[nr] = val; \
- w83627ehf_write_value(data, W83627EHF_REG_##REG[nr], val); \
+ w83627ehf_write_value(data, data->REG_##REG[nr], val); \
mutex_unlock(&data->update_lock); \
return count; \
} \
store_fan_step_output, 3),
};
+static struct sensor_device_attribute sda_sf3_arrays_fan3[] = {
+ SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
+ store_fan_stop_time, 2),
+ SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
+ store_fan_start_output, 2),
+ SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
+ store_fan_stop_output, 2),
+};
+
static struct sensor_device_attribute sda_sf3_arrays[] = {
SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
store_fan_stop_time, 0),
SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
store_fan_stop_time, 1),
- SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
- store_fan_stop_time, 2),
SENSOR_ATTR(pwm1_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
store_fan_start_output, 0),
SENSOR_ATTR(pwm2_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
store_fan_start_output, 1),
- SENSOR_ATTR(pwm3_start_output, S_IWUSR | S_IRUGO, show_fan_start_output,
- store_fan_start_output, 2),
SENSOR_ATTR(pwm1_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 0),
SENSOR_ATTR(pwm2_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 1),
- SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
- store_fan_stop_output, 2),
};
data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
device_remove_file(dev, &attr->dev_attr);
}
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++)
+ device_remove_file(dev, &sda_sf3_arrays_fan3[i].dev_attr);
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
for (i = 0; i < data->in_num; i++) {
continue;
device_remove_file(dev, &sda_temp_input[i].dev_attr);
device_remove_file(dev, &sda_temp_label[i].dev_attr);
+ if (i == 2 && data->temp3_val_only)
+ continue;
device_remove_file(dev, &sda_temp_max[i].dev_attr);
device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
if (i > 2)
case w83627ehf:
diode = w83627ehf_read_value(data, W83627EHF_REG_DIODE);
break;
+ case w83627uhg:
+ diode = 0x00;
+ break;
default:
diode = 0x70;
}
for (i = 0; i < 3; i++) {
- if ((tmp & (0x02 << i)))
+ const char *label = NULL;
+
+ if (data->temp_label)
+ label = data->temp_label[data->temp_src[i]];
+
+ /* Digital source overrides analog type */
+ if (label && strncmp(label, "PECI", 4) == 0)
+ data->temp_type[i] = 6;
+ else if (label && strncmp(label, "AMD", 3) == 0)
+ data->temp_type[i] = 5;
+ else if ((tmp & (0x02 << i)))
data->temp_type[i] = (diode & (0x10 << i)) ? 1 : 3;
else
data->temp_type[i] = 4; /* thermistor */
data->reg_temp_config[r2] = tmp;
}
+static void __devinit
+w83627ehf_set_temp_reg_ehf(struct w83627ehf_data *data, int n_temp)
+{
+ int i;
+
+ for (i = 0; i < n_temp; i++) {
+ data->reg_temp[i] = W83627EHF_REG_TEMP[i];
+ data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
+ data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
+ data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+ }
+}
+
static void __devinit
w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data,
struct w83627ehf_data *data)
{
int fan3pin, fan4pin, fan4min, fan5pin, regval;
+ /* The W83627UHG is simple, only two fan inputs, no config */
+ if (sio_data->kind == w83627uhg) {
+ data->has_fan = 0x03; /* fan1 and fan2 */
+ data->has_fan_min = 0x03;
+ return;
+ }
+
superio_enter(sio_data->sioreg);
/* fan4 and fan5 share some pins with the GPIO and serial flash */
fan4min = 0;
fan5pin = 0;
} else if (sio_data->kind == nct6776) {
- fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
- fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
- fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+ bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80;
+
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE);
+
+ if (regval & 0x80)
+ fan3pin = gpok;
+ else
+ fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40);
+
+ if (regval & 0x40)
+ fan4pin = gpok;
+ else
+ fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01);
+
+ if (regval & 0x20)
+ fan5pin = gpok;
+ else
+ fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02);
+
fan4min = fan4pin;
} else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan3pin = 1;
goto exit;
}
- data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL);
+ data = devm_kzalloc(&pdev->dev, sizeof(struct w83627ehf_data),
+ GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto exit_release;
mutex_init(&data->lock);
mutex_init(&data->update_lock);
data->name = w83627ehf_device_names[sio_data->kind];
+ data->bank = 0xff; /* Force initial bank selection */
platform_set_drvdata(pdev, data);
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
- /* 667HG, NCT6775F, and NCT6776F have 3 pwms */
- data->pwm_num = (sio_data->kind == w83667hg
- || sio_data->kind == w83667hg_b
- || sio_data->kind == nct6775
- || sio_data->kind == nct6776) ? 3 : 4;
+ /* 667HG, NCT6775F, and NCT6776F have 3 pwms, and 627UHG has only 2 */
+ switch (sio_data->kind) {
+ default:
+ data->pwm_num = 4;
+ break;
+ case w83667hg:
+ case w83667hg_b:
+ case nct6775:
+ case nct6776:
+ data->pwm_num = 3;
+ break;
+ case w83627uhg:
+ data->pwm_num = 2;
+ break;
+ }
+ /* Default to 3 temperature inputs, code below will adjust as needed */
data->have_temp = 0x07;
- /* Check temp3 configuration bit for 667HG */
- if (sio_data->kind == w83667hg) {
- u8 reg;
-
- reg = w83627ehf_read_value(data, W83627EHF_REG_TEMP_CONFIG[2]);
- if (reg & 0x01)
- data->have_temp &= ~(1 << 2);
- else
- data->in6_skip = 1; /* either temp3 or in6 */
- }
/* Deal with temperature register setup first. */
if (sio_data->kind == nct6775 || sio_data->kind == nct6776) {
} else if (sio_data->kind == w83667hg_b) {
u8 reg;
+ w83627ehf_set_temp_reg_ehf(data, 4);
+
/*
* Temperature sources are selected with bank 0, registers 0x49
* and 0x4a.
*/
- for (i = 0; i < ARRAY_SIZE(W83627EHF_REG_TEMP); i++) {
- data->reg_temp[i] = W83627EHF_REG_TEMP[i];
- data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
- data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
- data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
- }
reg = w83627ehf_read_value(data, 0x4a);
data->temp_src[0] = reg >> 5;
reg = w83627ehf_read_value(data, 0x49);
|| (data->temp_src[3] == 2 && (data->have_temp & (1 << 3))))
data->in6_skip = 1;
+ data->temp_label = w83667hg_b_temp_label;
+ } else if (sio_data->kind == w83627uhg) {
+ u8 reg;
+
+ w83627ehf_set_temp_reg_ehf(data, 3);
+
+ /*
+ * Temperature sources for temp2 and temp3 are selected with
+ * bank 0, registers 0x49 and 0x4a.
+ */
+ data->temp_src[0] = 0; /* SYSTIN */
+ reg = w83627ehf_read_value(data, 0x49) & 0x07;
+ /* Adjust to have the same mapping as other source registers */
+ if (reg == 0)
+ data->temp_src[1] = 1;
+ else if (reg >= 2 && reg <= 5)
+ data->temp_src[1] = reg + 2;
+ else /* should never happen */
+ data->have_temp &= ~(1 << 1);
+ reg = w83627ehf_read_value(data, 0x4a);
+ data->temp_src[2] = reg >> 5;
+
+ /*
+ * Skip temp3 if source is invalid or the same as temp1
+ * or temp2.
+ */
+ if (data->temp_src[2] == 2 || data->temp_src[2] == 3 ||
+ data->temp_src[2] == data->temp_src[0] ||
+ ((data->have_temp & (1 << 1)) &&
+ data->temp_src[2] == data->temp_src[1]))
+ data->have_temp &= ~(1 << 2);
+ else
+ data->temp3_val_only = 1; /* No limit regs */
+
+ data->in6_skip = 1; /* No VIN3 */
+
data->temp_label = w83667hg_b_temp_label;
} else {
+ w83627ehf_set_temp_reg_ehf(data, 3);
+
/* Temperature sources are fixed */
- for (i = 0; i < 3; i++) {
- data->reg_temp[i] = W83627EHF_REG_TEMP[i];
- data->reg_temp_over[i] = W83627EHF_REG_TEMP_OVER[i];
- data->reg_temp_hyst[i] = W83627EHF_REG_TEMP_HYST[i];
- data->reg_temp_config[i] = W83627EHF_REG_TEMP_CONFIG[i];
+
+ if (sio_data->kind == w83667hg) {
+ u8 reg;
+
+ /*
+ * Chip supports either AUXTIN or VIN3. Try to find
+ * out which one.
+ */
+ reg = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_CONFIG[2]);
+ if (reg & 0x01)
+ data->have_temp &= ~(1 << 2);
+ else
+ data->in6_skip = 1;
}
}
W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
}
+ /* Setup input voltage scaling factors */
+ if (sio_data->kind == w83627uhg)
+ data->scale_in = scale_in_w83627uhg;
+ else
+ data->scale_in = scale_in_common;
+
/* Initialize the chip */
w83627ehf_init_device(data, sio_data->kind);
err = device_create_file(dev, &dev_attr_cpu0_vid);
if (err)
goto exit_release;
- } else {
+ } else if (sio_data->kind != w83627uhg) {
superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
/* Set VID input sensibility if needed. In theory the
goto exit_remove;
}
}
- /* if fan4 is enabled create the sf3 files for it */
+ /* if fan3 and fan4 are enabled create the sf3 files for them */
+ if ((data->has_fan & (1 << 2)) && data->pwm_num >= 3)
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan3); i++) {
+ err = device_create_file(dev,
+ &sda_sf3_arrays_fan3[i].dev_attr);
+ if (err)
+ goto exit_remove;
+ }
if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
err = device_create_file(dev,
if (err)
goto exit_remove;
}
+ if (i == 2 && data->temp3_val_only)
+ continue;
if (data->reg_temp_over[i]) {
err = device_create_file(dev,
&sda_temp_max[i].dev_attr);
exit_remove:
w83627ehf_device_remove_files(dev);
- kfree(data);
- platform_set_drvdata(pdev, NULL);
exit_release:
+ platform_set_drvdata(pdev, NULL);
release_region(res->start, IOREGION_LENGTH);
exit:
return err;
w83627ehf_device_remove_files(&pdev->dev);
release_region(data->addr, IOREGION_LENGTH);
platform_set_drvdata(pdev, NULL);
- kfree(data);
return 0;
}
static const char __initdata sio_name_W83627EHG[] = "W83627EHG";
static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
+ static const char __initdata sio_name_W83627UHG[] = "W83627UHG";
static const char __initdata sio_name_W83667HG[] = "W83667HG";
static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
static const char __initdata sio_name_NCT6775[] = "NCT6775F";
sio_data->kind = w83627dhg_p;
sio_name = sio_name_W83627DHG_P;
break;
+ case SIO_W83627UHG_ID:
+ sio_data->kind = w83627uhg;
+ sio_name = sio_name_W83627UHG;
+ break;
case SIO_W83667HG_ID:
sio_data->kind = w83667hg;
sio_name = sio_name_W83667HG;
git.openpandora.org / pandora-kernel.git / blobdiff