From 0e1c287f862cd4a7fa695f0ea7dda4a06f65a7ef Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie at gmail.com>
Date: Sat, 28 Jun 2008 11:59:19 -0600
Subject: [PATCH] hwmon/pc87360 separate alarm files - define some constants
2 different kinds of constants added:
- CHAN_ALM_* constants for (later) vin, temp alarm callbacks.
- CHAN_* conversion constants, used in _init_device, partly for RW1C bits
Signed-off-by: Jim Cromie <jim.cromie at gmail.com>
---
drivers/hwmon/pc87360.c | 33 ++++++++++++++++++++++-----------
1 files changed, 22 insertions(+), 11 deletions(-)
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 9b462bb..1043b11 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -489,6 +489,11 @@ static struct sensor_device_attribute in_max[] = {
SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
};
+/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
+#define CHAN_ALM_MIN 0x02 /* min limit crossed */
+#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
+#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
+
#define VIN_UNIT_ATTRS(X) \
&in_input[X].dev_attr.attr, \
&in_status[X].dev_attr.attr, \
@@ -1131,6 +1136,12 @@ static void pc87360_write_value(struct
pc87360_data *data, u8 ldi
, u8 bank,
mutex_unlock(&(data->lock));
}
+/* (temp & vin) channel conversion status register flags (pdf
sec.11.5.12) */
+#define CHAN_CNVRTD 0x80 /* new data ready */
+#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */
+#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */
+#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
+
static void pc87360_init_device(struct platform_device *pdev,
int use_thermistors)
{
@@ -1156,7 +1167,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
/* Forcibly enable voltage channel */
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_IN_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling in%d\n", i);
pc87360_write_value(data, LD_IN, i,
@@ -1171,7 +1182,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
for (i = 11; i < data->innr; i++) {
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_TEMP_STATUS);
- use_thermistors = use_thermistors || (reg & 0x01);
+ use_thermistors = use_thermistors || (reg & CHAN_ENA);
}
i = use_thermistors ? 2 : 0;
@@ -1180,7 +1191,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
/* Forcibly enable temperature channel */
reg = pc87360_read_value(data, LD_TEMP, i,
PC87365_REG_TEMP_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling temp%d\n", i+1);
pc87360_write_value(data, LD_TEMP, i,
@@ -1197,7 +1208,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
diodes */
reg = pc87360_read_value(data, LD_TEMP,
(i-11)/2, PC87365_REG_TEMP_STATUS);
- if (reg & 0x01) {
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Skipping "
"temp%d, pin already in use "
"by temp%d\n", i-7, (i-11)/2);
@@ -1207,7 +1218,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
/* Forcibly enable thermistor channel */
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_IN_STATUS);
- if (!(reg & 0x01)) {
+ if (!(reg & CHAN_ENA)) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling temp%d\n", i-7);
pc87360_write_value(data, LD_IN, i,
@@ -1221,7 +1232,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
if (data->innr) {
reg = pc87360_read_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONFIG);
- if (reg & 0x01) {
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Forcibly "
"enabling monitoring (VLM)\n");
pc87360_write_value(data, LD_IN, NO_BANK,
@@ -1233,7 +1244,7 @@ static void pc87360_init_device(struct
platform_device *pdev,
if (data->tempnr) {
reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
PC87365_REG_TEMP_CONFIG);
- if (reg & 0x01) {
+ if (reg & CHAN_ENA) {
dev_dbg(&pdev->dev, "Forcibly enabling "
"monitoring (TMS)\n");
pc87360_write_value(data, LD_TEMP, NO_BANK,
@@ -1336,11 +1347,11 @@ static struct pc87360_data
*pc87360_update_device(struct device
*dev)
pc87360_write_value(data, LD_IN, i,
PC87365_REG_IN_STATUS,
data->in_status[i]);
- if ((data->in_status[i] & 0x81) == 0x81) {
+ if ((data->in_status[i] & CHAN_READY) == CHAN_READY) {
data->in[i] = pc87360_read_value(data, LD_IN,
i, PC87365_REG_IN);
}
- if (data->in_status[i] & 0x01) {
+ if (data->in_status[i] & CHAN_ENA) {
data->in_min[i] = pc87360_read_value(data,
LD_IN, i,
PC87365_REG_IN_MIN);
@@ -1373,12 +1384,12 @@ static struct pc87360_data
*pc87360_update_device(struct device
*dev)
pc87360_write_value(data, LD_TEMP, i,
PC87365_REG_TEMP_STATUS,
data->temp_status[i]);
- if ((data->temp_status[i] & 0x81) == 0x81) {
+ if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) {
data->temp[i] = pc87360_read_value(data,
LD_TEMP, i,
PC87365_REG_TEMP);
}
- if (data->temp_status[i] & 0x01) {
+ if (data->temp_status[i] & CHAN_ENA) {
data->temp_min[i] = pc87360_read_value(data,
LD_TEMP, i,
PC87365_REG_TEMP_MIN);
--
1.5.5.1
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