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Date: Sun, 27 Mar 2022 14:14:03 +0200
From: Eugene Shalygin <eugene.shalygin@...il.com>
To: eugene.shalygin@...il.com
Cc: darcagn@...tonmail.com, Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] hwmon: (asus-ec-sensors) add support for board families
DSDT code for AMD 400-series chipset shows that sensor addresses differ
for this generation from those for the AMD 500-series boards.
Signed-off-by: Eugene Shalygin <eugene.shalygin@...il.com>
---
drivers/hwmon/asus-ec-sensors.c | 43 +++++++++++++++++++++++++++------
1 file changed, 36 insertions(+), 7 deletions(-)
diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c
index 34841eeb800f..b4060ed1f0fa 100644
--- a/drivers/hwmon/asus-ec-sensors.c
+++ b/drivers/hwmon/asus-ec-sensors.c
@@ -135,8 +135,12 @@ enum ec_sensors {
#define SENSOR_TEMP_WATER_IN BIT(ec_sensor_temp_water_in)
#define SENSOR_TEMP_WATER_OUT BIT(ec_sensor_temp_water_out)
+enum board_family {
+ family_amd_500_series,
+};
+
/* All the known sensors for ASUS EC controllers */
-static const struct ec_sensor_info known_ec_sensors[] = {
+static const struct ec_sensor_info sensors_family_amd_500[] = {
[ec_sensor_temp_chipset] =
EC_SENSOR("Chipset", hwmon_temp, 1, 0x00, 0x3a),
[ec_sensor_temp_cpu] = EC_SENSOR("CPU", hwmon_temp, 1, 0x00, 0x3b),
@@ -177,6 +181,7 @@ struct ec_board_info {
* the hardware is not guarded.
*/
const char *mutex_path;
+ enum board_family family;
};
static const struct ec_board_info board_info[] __initconst = {
@@ -185,6 +190,7 @@ static const struct ec_board_info board_info[] __initconst = {
.sensors = SENSOR_SET_TEMP_CHIPSET_CPU_MB | SENSOR_TEMP_VRM |
SENSOR_TEMP_T_SENSOR | SENSOR_FAN_CHIPSET,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"Pro WS X570-ACE"},
@@ -192,6 +198,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CHIPSET | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG CROSSHAIR VIII DARK HERO"},
@@ -201,6 +208,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CPU_OPT | SENSOR_FAN_WATER_FLOW |
SENSOR_CURR_CPU | SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG CROSSHAIR VIII FORMULA"},
@@ -209,6 +217,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CPU_OPT | SENSOR_FAN_CHIPSET |
SENSOR_CURR_CPU | SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {
@@ -222,6 +231,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_WATER_FLOW | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG CROSSHAIR VIII IMPACT"},
@@ -230,6 +240,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CHIPSET | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG STRIX B550-E GAMING"},
@@ -237,6 +248,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_TEMP_T_SENSOR | SENSOR_TEMP_VRM |
SENSOR_FAN_CPU_OPT,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG STRIX B550-I GAMING"},
@@ -245,6 +257,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_VRM_HS | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG STRIX X570-E GAMING"},
@@ -253,12 +266,14 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CHIPSET | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG STRIX X570-F GAMING"},
.sensors = SENSOR_SET_TEMP_CHIPSET_CPU_MB |
SENSOR_TEMP_T_SENSOR | SENSOR_FAN_CHIPSET,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{
.board_names = {"ROG STRIX X570-I GAMING"},
@@ -266,6 +281,7 @@ static const struct ec_board_info board_info[] __initconst = {
SENSOR_FAN_CHIPSET | SENSOR_CURR_CPU |
SENSOR_IN_CPU_CORE,
.mutex_path = ASUS_HW_ACCESS_MUTEX_ASMX,
+ .family = family_amd_500_series,
},
{}
};
@@ -328,6 +344,7 @@ static int unlock_mutex(struct lock_data *data)
struct ec_sensors_data {
struct ec_board_info board_info;
+ const struct ec_sensor_info *sensors_info;
struct ec_sensor *sensors;
/* EC registers to read from */
u16 *registers;
@@ -370,7 +387,7 @@ static bool is_sensor_data_signed(const struct ec_sensor_info *si)
static const struct ec_sensor_info *
get_sensor_info(const struct ec_sensors_data *state, int index)
{
- return &known_ec_sensors[state->sensors[index].info_index];
+ return state->sensors_info + state->sensors[index].info_index;
}
static int sensor_count(const struct ec_board_info *board)
@@ -413,9 +430,9 @@ static void __init setup_sensor_data(struct ec_sensors_data *ec)
s->info_index = i;
s->cached_value = 0;
ec->nr_registers +=
- known_ec_sensors[s->info_index].addr.components.size;
+ ec->sensors_info[s->info_index].addr.components.size;
bank_found = false;
- bank = known_ec_sensors[s->info_index].addr.components.bank;
+ bank = ec->sensors_info[s->info_index].addr.components.bank;
for (j = 0; j < ec->nr_banks; j++) {
if (ec->banks[j] == bank) {
bank_found = true;
@@ -566,8 +583,9 @@ static void update_sensor_values(struct ec_sensors_data *ec, u8 *data)
struct ec_sensor *s, *sensor_end;
sensor_end = ec->sensors + sensor_count(&ec->board_info);
+
for (s = ec->sensors; s != sensor_end; s++) {
- si = &known_ec_sensors[s->info_index];
+ si = ec->sensors_info + s->info_index;
s->cached_value = get_sensor_value(si, data);
data += si->addr.components.size;
}
@@ -744,14 +762,25 @@ static int __init asus_ec_probe(struct platform_device *pdev)
dev_set_drvdata(dev, ec_data);
ec_data->board_info = *pboard_info;
- ec_data->sensors = devm_kcalloc(dev, sensor_count(&ec_data->board_info),
- sizeof(struct ec_sensor), GFP_KERNEL);
+ switch (ec_data->board_info.family) {
+ case family_amd_500_series:
+ ec_data->sensors_info = sensors_family_amd_500;
+ break;
+ default:
+ dev_err(dev, "Unknown board family: %d",
+ ec_data->board_info.family);
+ return -EINVAL;
+ }
status = setup_lock_data(dev);
if (status) {
dev_err(dev, "Failed to setup state/EC locking: %d", status);
return status;
}
+
+ ec_data->sensors = devm_kcalloc(dev, sensor_count(&ec_data->board_info),
+ sizeof(struct ec_sensor), GFP_KERNEL);
+
setup_sensor_data(ec_data);
ec_data->registers = devm_kcalloc(dev, ec_data->nr_registers,
sizeof(u16), GFP_KERNEL);
--
2.35.1
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