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path: root/drivers/hwmon/w83627ehf.c
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Diffstat (limited to 'drivers/hwmon/w83627ehf.c')
-rw-r--r--drivers/hwmon/w83627ehf.c97
1 files changed, 87 insertions, 10 deletions
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 0dcaba9b7189..e96e69dd36fb 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -39,6 +39,7 @@
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
w83627dhg-p 9 5 4 3 0xb070 0xc1 0x5ca3
w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
+ w83667hg-b 9 5 3 3 0xb350 0xc1 0x5ca3
*/
#include <linux/module.h>
@@ -55,7 +56,7 @@
#include <linux/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg };
+enum kinds { w83627ehf, w83627dhg, w83627dhg_p, w83667hg, w83667hg_b };
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * w83627ehf_device_names[] = {
@@ -63,6 +64,7 @@ static const char * w83627ehf_device_names[] = {
"w83627dhg",
"w83627dhg",
"w83667hg",
+ "w83667hg",
};
static unsigned short force_id;
@@ -91,6 +93,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define SIO_W83627DHG_ID 0xa020
#define SIO_W83627DHG_P_ID 0xb070
#define SIO_W83667HG_ID 0xa510
+#define SIO_W83667HG_B_ID 0xb350
#define SIO_ID_MASK 0xFFF0
static inline void
@@ -201,8 +204,14 @@ static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 };
static const u8 W83627EHF_REG_FAN_START_OUTPUT[] = { 0x0a, 0x0b, 0x16, 0x65 };
static const u8 W83627EHF_REG_FAN_STOP_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 };
static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0c, 0x0d, 0x17, 0x66 };
-static const u8 W83627EHF_REG_FAN_MAX_OUTPUT[] = { 0xff, 0x67, 0xff, 0x69 };
-static const u8 W83627EHF_REG_FAN_STEP_OUTPUT[] = { 0xff, 0x68, 0xff, 0x6a };
+
+static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_COMMON[]
+ = { 0xff, 0x67, 0xff, 0x69 };
+static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_COMMON[]
+ = { 0xff, 0x68, 0xff, 0x6a };
+
+static const u8 W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B[] = { 0x67, 0x69, 0x6b };
+static const u8 W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B[] = { 0x68, 0x6a, 0x6c };
/*
* Conversions
@@ -277,6 +286,11 @@ struct w83627ehf_data {
struct device *hwmon_dev;
struct mutex lock;
+ const u8 *REG_FAN_START_OUTPUT;
+ const u8 *REG_FAN_STOP_OUTPUT;
+ const u8 *REG_FAN_MAX_OUTPUT;
+ const u8 *REG_FAN_STEP_OUTPUT;
+
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@@ -524,7 +538,10 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
}
}
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < data->pwm_num; i++) {
+ if (!(data->has_fan & (1 << i)))
+ continue;
+
/* pwmcfg, tolerance mapped for i=0, i=1 to same reg */
if (i != 1) {
pwmcfg = w83627ehf_read_value(data,
@@ -546,6 +563,17 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
W83627EHF_REG_FAN_STOP_OUTPUT[i]);
data->fan_stop_time[i] = w83627ehf_read_value(data,
W83627EHF_REG_FAN_STOP_TIME[i]);
+
+ if (data->REG_FAN_MAX_OUTPUT[i] != 0xff)
+ data->fan_max_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_MAX_OUTPUT[i]);
+
+ if (data->REG_FAN_STEP_OUTPUT[i] != 0xff)
+ data->fan_step_output[i] =
+ w83627ehf_read_value(data,
+ data->REG_FAN_STEP_OUTPUT[i]);
+
data->target_temp[i] =
w83627ehf_read_value(data,
W83627EHF_REG_TARGET[i]) &
@@ -1126,7 +1154,7 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \
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; \
}
@@ -1206,12 +1234,26 @@ static struct sensor_device_attribute sda_sf3_arrays[] = {
store_fan_stop_output, 1),
SENSOR_ATTR(pwm3_stop_output, S_IWUSR | S_IRUGO, show_fan_stop_output,
store_fan_stop_output, 2),
+};
- /* pwm1 and pwm3 don't support max and step settings */
+
+/*
+ * pwm1 and pwm3 don't support max and step settings on all chips.
+ * Need to check support while generating/removing attribute files.
+ */
+static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
+ SENSOR_ATTR(pwm1_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
+ store_fan_max_output, 0),
+ SENSOR_ATTR(pwm1_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
+ store_fan_step_output, 0),
SENSOR_ATTR(pwm2_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
store_fan_max_output, 1),
SENSOR_ATTR(pwm2_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
store_fan_step_output, 1),
+ SENSOR_ATTR(pwm3_max_output, S_IWUSR | S_IRUGO, show_fan_max_output,
+ store_fan_max_output, 2),
+ SENSOR_ATTR(pwm3_step_output, S_IWUSR | S_IRUGO, show_fan_step_output,
+ store_fan_step_output, 2),
};
static ssize_t
@@ -1235,6 +1277,12 @@ static void w83627ehf_device_remove_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++)
device_remove_file(dev, &sda_sf3_arrays[i].dev_attr);
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
+ struct sensor_device_attribute *attr =
+ &sda_sf3_max_step_arrays[i];
+ if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff)
+ device_remove_file(dev, &attr->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++) {
@@ -1343,22 +1391,37 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
/* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
/* 667HG has 3 pwms */
- data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4;
+ data->pwm_num = (sio_data->kind == w83667hg
+ || sio_data->kind == w83667hg_b) ? 3 : 4;
/* Check temp3 configuration bit for 667HG */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
data->temp3_disable = w83627ehf_read_value(data,
W83627EHF_REG_TEMP_CONFIG[1]) & 0x01;
data->in6_skip = !data->temp3_disable;
}
+ data->REG_FAN_START_OUTPUT = W83627EHF_REG_FAN_START_OUTPUT;
+ data->REG_FAN_STOP_OUTPUT = W83627EHF_REG_FAN_STOP_OUTPUT;
+ if (sio_data->kind == w83667hg_b) {
+ data->REG_FAN_MAX_OUTPUT =
+ W83627EHF_REG_FAN_MAX_OUTPUT_W83667_B;
+ data->REG_FAN_STEP_OUTPUT =
+ W83627EHF_REG_FAN_STEP_OUTPUT_W83667_B;
+ } else {
+ data->REG_FAN_MAX_OUTPUT =
+ W83627EHF_REG_FAN_MAX_OUTPUT_COMMON;
+ data->REG_FAN_STEP_OUTPUT =
+ W83627EHF_REG_FAN_STEP_OUTPUT_COMMON;
+ }
+
/* Initialize the chip */
w83627ehf_init_device(data);
data->vrm = vid_which_vrm();
superio_enter(sio_data->sioreg);
/* Read VID value */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
/* W83667HG has different pins for VID input and output, so
we can get the VID input values directly at logical device D
0xe3. */
@@ -1409,7 +1472,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
}
/* fan4 and fan5 share some pins with the GPIO and serial flash */
- if (sio_data->kind == w83667hg) {
+ if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) {
fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
} else {
@@ -1440,6 +1503,15 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
&sda_sf3_arrays[i].dev_attr)))
goto exit_remove;
+ for (i = 0; i < ARRAY_SIZE(sda_sf3_max_step_arrays); i++) {
+ struct sensor_device_attribute *attr =
+ &sda_sf3_max_step_arrays[i];
+ if (data->REG_FAN_STEP_OUTPUT[attr->index] != 0xff) {
+ err = device_create_file(dev, &attr->dev_attr);
+ if (err)
+ goto exit_remove;
+ }
+ }
/* if fan4 is enabled create the sf3 files for it */
if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
@@ -1556,6 +1628,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
static const char __initdata sio_name_W83627DHG_P[] = "W83627DHG-P";
static const char __initdata sio_name_W83667HG[] = "W83667HG";
+ static const char __initdata sio_name_W83667HG_B[] = "W83667HG-B";
u16 val;
const char *sio_name;
@@ -1588,6 +1661,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
sio_data->kind = w83667hg;
sio_name = sio_name_W83667HG;
break;
+ case SIO_W83667HG_B_ID:
+ sio_data->kind = w83667hg_b;
+ sio_name = sio_name_W83667HG_B;
+ break;
default:
if (val != 0xffff)
pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n",
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.