iwlwifi: mvm: add ctdp operations to debugfs
Add debugfs entries to get the ctdp budget average
and to stop ctdp.
Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
index 0a02e98..ce0c6fd 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
@@ -510,6 +510,50 @@
.support_tx_backoff = true,
};
+int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget)
+{
+ struct iwl_mvm_ctdp_cmd cmd = {
+ .operation = cpu_to_le32(op),
+ .budget = cpu_to_le32(budget),
+ .window_size = 0,
+ };
+ int ret;
+ u32 status;
+
+ lockdep_assert_held(&mvm->mutex);
+
+ ret = iwl_mvm_send_cmd_pdu_status(mvm, WIDE_ID(PHY_OPS_GROUP,
+ CTDP_CONFIG_CMD),
+ sizeof(cmd), &cmd, &status);
+
+ if (ret) {
+ IWL_ERR(mvm, "cTDP command failed (err=%d)\n", ret);
+ return ret;
+ }
+
+ switch (op) {
+ case CTDP_CMD_OPERATION_START:
+#ifdef CONFIG_THERMAL
+ mvm->cooling_dev.cur_state = budget;
+#endif /* CONFIG_THERMAL */
+ break;
+ case CTDP_CMD_OPERATION_REPORT:
+ IWL_DEBUG_TEMP(mvm, "cTDP avg energy in mWatt = %d\n", status);
+ /* when the function is called with CTDP_CMD_OPERATION_REPORT
+ * option the function should return the average budget value
+ * that is received from the FW.
+ * The budget can't be less or equal to 0, so it's possible
+ * to distinguish between error values and budgets.
+ */
+ return status;
+ case CTDP_CMD_OPERATION_STOP:
+ IWL_DEBUG_TEMP(mvm, "cTDP stopped successfully\n");
+ break;
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_THERMAL
static int compare_temps(const void *a, const void *b)
{
@@ -738,40 +782,6 @@
150, /* cooling state 19 */
};
-int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget)
-{
- struct iwl_mvm_ctdp_cmd cmd = {
- .operation = cpu_to_le32(op),
- .budget = cpu_to_le32(budget),
- .window_size = 0,
- };
- int ret;
- u32 status;
-
- lockdep_assert_held(&mvm->mutex);
-
- ret = iwl_mvm_send_cmd_pdu_status(mvm, WIDE_ID(PHY_OPS_GROUP,
- CTDP_CONFIG_CMD),
- sizeof(cmd), &cmd, &status);
-
- if (ret) {
- IWL_ERR(mvm, "cTDP command failed (err=%d)\n", ret);
- return ret;
- }
-
- /* can happen if the registration failed */
- if (!mvm->cooling_dev.cdev)
- return -EINVAL;
-
- if (op == CTDP_CMD_OPERATION_START)
- mvm->cooling_dev.cur_state = budget;
-
- else if (op == CTDP_CMD_OPERATION_REPORT)
- IWL_DEBUG_TEMP(mvm, "cTDP avg energy in mWatt = %d\n", status);
-
- return 0;
-}
-
static int iwl_mvm_tcool_get_max_state(struct thermal_cooling_device *cdev,
unsigned long *state)
{