diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath12k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/core.c | 129 |
1 files changed, 126 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index 3df8059d5512..c68750cb3c4d 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -19,6 +19,27 @@ unsigned int ath12k_debug_mask; module_param_named(debug_mask, ath12k_debug_mask, uint, 0644); MODULE_PARM_DESC(debug_mask, "Debugging mask"); +static int ath12k_core_rfkill_config(struct ath12k_base *ab) +{ + struct ath12k *ar; + int ret = 0, i; + + if (!(ab->target_caps.sys_cap_info & WMI_SYS_CAP_INFO_RFKILL)) + return 0; + + for (i = 0; i < ab->num_radios; i++) { + ar = ab->pdevs[i].ar; + + ret = ath12k_mac_rfkill_config(ar); + if (ret && ret != -EOPNOTSUPP) { + ath12k_warn(ab, "failed to configure rfkill: %d", ret); + return ret; + } + } + + return ret; +} + int ath12k_core_suspend(struct ath12k_base *ab) { int ret; @@ -377,6 +398,75 @@ static void ath12k_core_stop(struct ath12k_base *ab) /* De-Init of components as needed */ } +static void ath12k_core_check_bdfext(const struct dmi_header *hdr, void *data) +{ + struct ath12k_base *ab = data; + const char *magic = ATH12K_SMBIOS_BDF_EXT_MAGIC; + struct ath12k_smbios_bdf *smbios = (struct ath12k_smbios_bdf *)hdr; + ssize_t copied; + size_t len; + int i; + + if (ab->qmi.target.bdf_ext[0] != '\0') + return; + + if (hdr->type != ATH12K_SMBIOS_BDF_EXT_TYPE) + return; + + if (hdr->length != ATH12K_SMBIOS_BDF_EXT_LENGTH) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "wrong smbios bdf ext type length (%d).\n", + hdr->length); + return; + } + + if (!smbios->bdf_enabled) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, "bdf variant name not found.\n"); + return; + } + + /* Only one string exists (per spec) */ + if (memcmp(smbios->bdf_ext, magic, strlen(magic)) != 0) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "bdf variant magic does not match.\n"); + return; + } + + len = min_t(size_t, + strlen(smbios->bdf_ext), sizeof(ab->qmi.target.bdf_ext)); + for (i = 0; i < len; i++) { + if (!isascii(smbios->bdf_ext[i]) || !isprint(smbios->bdf_ext[i])) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "bdf variant name contains non ascii chars.\n"); + return; + } + } + + /* Copy extension name without magic prefix */ + copied = strscpy(ab->qmi.target.bdf_ext, smbios->bdf_ext + strlen(magic), + sizeof(ab->qmi.target.bdf_ext)); + if (copied < 0) { + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "bdf variant string is longer than the buffer can accommodate\n"); + return; + } + + ath12k_dbg(ab, ATH12K_DBG_BOOT, + "found and validated bdf variant smbios_type 0x%x bdf %s\n", + ATH12K_SMBIOS_BDF_EXT_TYPE, ab->qmi.target.bdf_ext); +} + +int ath12k_core_check_smbios(struct ath12k_base *ab) +{ + ab->qmi.target.bdf_ext[0] = '\0'; + dmi_walk(ath12k_core_check_bdfext, ab); + + if (ab->qmi.target.bdf_ext[0] == '\0') + return -ENODATA; + + return 0; +} + static int ath12k_core_soc_create(struct ath12k_base *ab) { int ret; @@ -603,6 +693,13 @@ int ath12k_core_qmi_firmware_ready(struct ath12k_base *ab) goto err_core_stop; } ath12k_hif_irq_enable(ab); + + ret = ath12k_core_rfkill_config(ab); + if (ret && ret != -EOPNOTSUPP) { + ath12k_err(ab, "failed to config rfkill: %d\n", ret); + goto err_core_stop; + } + mutex_unlock(&ab->core_lock); return 0; @@ -655,6 +752,27 @@ err_hal_srng_deinit: return ret; } +static void ath12k_rfkill_work(struct work_struct *work) +{ + struct ath12k_base *ab = container_of(work, struct ath12k_base, rfkill_work); + struct ath12k *ar; + bool rfkill_radio_on; + int i; + + spin_lock_bh(&ab->base_lock); + rfkill_radio_on = ab->rfkill_radio_on; + spin_unlock_bh(&ab->base_lock); + + for (i = 0; i < ab->num_radios; i++) { + ar = ab->pdevs[i].ar; + if (!ar) + continue; + + ath12k_mac_rfkill_enable_radio(ar, rfkill_radio_on); + wiphy_rfkill_set_hw_state(ar->hw->wiphy, !rfkill_radio_on); + } +} + void ath12k_core_halt(struct ath12k *ar) { struct ath12k_base *ab = ar->ab; @@ -668,6 +786,7 @@ void ath12k_core_halt(struct ath12k *ar) ath12k_mac_peer_cleanup_all(ar); cancel_delayed_work_sync(&ar->scan.timeout); cancel_work_sync(&ar->regd_update_work); + cancel_work_sync(&ab->rfkill_work); rcu_assign_pointer(ab->pdevs_active[ar->pdev_idx], NULL); synchronize_rcu(); @@ -685,6 +804,9 @@ static void ath12k_core_pre_reconfigure_recovery(struct ath12k_base *ab) ab->stats.fw_crash_counter++; spin_unlock_bh(&ab->base_lock); + if (ab->is_reset) + set_bit(ATH12K_FLAG_CRASH_FLUSH, &ab->dev_flags); + for (i = 0; i < ab->num_radios; i++) { pdev = &ab->pdevs[i]; ar = pdev->ar; @@ -823,6 +945,8 @@ static void ath12k_core_reset(struct work_struct *work) ath12k_dbg(ab, ATH12K_DBG_BOOT, "reset starting\n"); ab->is_reset = true; + atomic_set(&ab->recovery_start_count, 0); + reinit_completion(&ab->recovery_start); atomic_set(&ab->recovery_count, 0); ath12k_core_pre_reconfigure_recovery(ab); @@ -830,9 +954,6 @@ static void ath12k_core_reset(struct work_struct *work) reinit_completion(&ab->reconfigure_complete); ath12k_core_post_reconfigure_recovery(ab); - reinit_completion(&ab->recovery_start); - atomic_set(&ab->recovery_start_count, 0); - ath12k_dbg(ab, ATH12K_DBG_BOOT, "waiting recovery start...\n"); time_left = wait_for_completion_timeout(&ab->recovery_start, @@ -922,6 +1043,8 @@ struct ath12k_base *ath12k_core_alloc(struct device *dev, size_t priv_size, init_waitqueue_head(&ab->wmi_ab.tx_credits_wq); INIT_WORK(&ab->restart_work, ath12k_core_restart); INIT_WORK(&ab->reset_work, ath12k_core_reset); + INIT_WORK(&ab->rfkill_work, ath12k_rfkill_work); + timer_setup(&ab->rx_replenish_retry, ath12k_ce_rx_replenish_retry, 0); init_completion(&ab->htc_suspend); |