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author | Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com> | 2016-02-24 10:19:22 (GMT) |
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committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2016-03-09 18:59:11 (GMT) |
commit | 00f481bd895a826058d301b3093e86e819497b51 (patch) | |
tree | 67610301751637636cae68b9c4f8564ce2cb2605 /drivers/net/wireless/intel/iwlwifi/mvm/tt.c | |
parent | 7c70fee5ae5c4fb542e432599cb85c8031b952a0 (diff) | |
download | linux-00f481bd895a826058d301b3093e86e819497b51.tar.xz |
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>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/tt.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 78 |
1 files changed, 44 insertions, 34 deletions
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 @@ static const struct iwl_tt_params iwl_mvm_default_tt_params = { .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 @@ static const u32 iwl_mvm_cdev_budgets[] = { 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) { |