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staging: gasket: Add default values for HW temperature monitor

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Add module parameters to control default values for HW temperature
monitoring module.

Signed-off-by: Leonid Lobachev <leonidl@google.com>
Change-Id: I69f7cd9c3c0f55a3a36efba35f48a5da37b3b89e
This commit is contained in:
Leonid Lobachev
2019-06-10 15:41:17 -07:00
parent fbe01658e7
commit 4856195932
1 changed files with 37 additions and 4 deletions
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41
apex_driver.c
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@@ -282,6 +282,21 @@ module_param(trip_point0_temp, int, 0644);
module_param(trip_point1_temp, int, 0644);
module_param(trip_point2_temp, int, 0644);
/* Hardware monitored temperature trip points in milli C
Apex chip drives INTR line when reaching hw_temp_warn1 temperature,
and SD_ALARM line when reaching hw_temp_warn2 if corresponding
hw_temp_warn*_en is set to true.
*/
static int hw_temp_warn1 = 100000;
static int hw_temp_warn2 = 110000;
static bool hw_temp_warn1_en = false;
static bool hw_temp_warn2_en = false;
module_param(hw_temp_warn1, int, 0644);
module_param(hw_temp_warn2, int, 0644);
module_param(hw_temp_warn1_en, bool, 0644);
module_param(hw_temp_warn2_en, bool, 0644);
/* Temperature poll interval in ms */
static int temp_poll_interval = DEFAULT_APEX_TEMP_POLL_INTERVAL;
module_param(temp_poll_interval, int, 0644);
@@ -826,11 +841,13 @@ static struct gasket_sysfs_attribute apex_sysfs_attrs[] = {
GASKET_SYSFS_RO(node_0_num_mapped_pages, sysfs_show,
ATTR_KERNEL_HIB_NUM_ACTIVE_PAGES),
GASKET_SYSFS_RO(temp, sysfs_show, ATTR_TEMP),
GASKET_SYSFS_RW(temp_warn1, sysfs_show, sysfs_store, ATTR_TEMP_WARN1),
GASKET_SYSFS_RW(temp_warn1_en, sysfs_show, sysfs_store,
GASKET_SYSFS_RW(hw_temp_warn1, sysfs_show, sysfs_store,
ATTR_TEMP_WARN1),
GASKET_SYSFS_RW(hw_temp_warn1_en, sysfs_show, sysfs_store,
ATTR_TEMP_WARN1_EN),
GASKET_SYSFS_RW(temp_warn2, sysfs_show, sysfs_store, ATTR_TEMP_WARN2),
GASKET_SYSFS_RW(temp_warn2_en, sysfs_show, sysfs_store,
GASKET_SYSFS_RW(hw_temp_warn2, sysfs_show, sysfs_store,
ATTR_TEMP_WARN2),
GASKET_SYSFS_RW(hw_temp_warn2_en, sysfs_show, sysfs_store,
ATTR_TEMP_WARN2_EN),
GASKET_SYSFS_RW(trip_point0_temp, sysfs_show, sysfs_store,
ATTR_TEMP_TRIP0),
@@ -862,6 +879,22 @@ static void apply_module_params(struct apex_dev *apex_dev) {
apex_dev->adc_trip_points[2] = millic_to_adc(trip_point2_temp);
atomic_set(&apex_dev->temp_poll_interval, temp_poll_interval);
gasket_read_modify_write_32(apex_dev->gasket_dev_ptr, APEX_BAR_INDEX,
APEX_BAR2_REG_OMC0_D4,
millic_to_adc(hw_temp_warn1), 10, 16);
gasket_read_modify_write_32(apex_dev->gasket_dev_ptr, APEX_BAR_INDEX,
APEX_BAR2_REG_OMC0_D8,
millic_to_adc(hw_temp_warn2), 10, 16);
if (hw_temp_warn1_en)
gasket_read_modify_write_32(apex_dev->gasket_dev_ptr,
APEX_BAR_INDEX,
APEX_BAR2_REG_OMC0_D4, 1, 1, 31);
if (hw_temp_warn2_en)
gasket_read_modify_write_32(apex_dev->gasket_dev_ptr,
APEX_BAR_INDEX,
APEX_BAR2_REG_OMC0_D8, 1, 1, 31);
kernel_param_unlock(THIS_MODULE);
}