diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/core.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/qmi.c | 98 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath12k/qmi.h | 20 |
3 files changed, 134 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath12k/core.c b/drivers/net/wireless/ath/ath12k/core.c index bbfa57d097af..18b29515c6ae 100644 --- a/drivers/net/wireless/ath/ath12k/core.c +++ b/drivers/net/wireless/ath/ath12k/core.c @@ -969,6 +969,25 @@ bool ath12k_core_hw_group_start_ready(struct ath12k_hw_group *ag) return (ag->num_started == ag->num_devices); } +static void ath12k_core_trigger_partner(struct ath12k_base *ab) +{ + struct ath12k_hw_group *ag = ab->ag; + struct ath12k_base *partner_ab; + bool found = false; + int i; + + for (i = 0; i < ag->num_devices; i++) { + partner_ab = ag->ab[i]; + if (!partner_ab) + continue; + + if (found) + ath12k_qmi_trigger_host_cap(partner_ab); + + found = (partner_ab == ab); + } +} + int ath12k_core_qmi_firmware_ready(struct ath12k_base *ab) { struct ath12k_hw_group *ag = ath12k_ab_to_ag(ab); @@ -1010,6 +1029,8 @@ int ath12k_core_qmi_firmware_ready(struct ath12k_base *ab) goto err_core_stop; } ath12k_dbg(ab, ATH12K_DBG_BOOT, "group %d started\n", ag->id); + } else { + ath12k_core_trigger_partner(ab); } mutex_unlock(&ag->mutex); diff --git a/drivers/net/wireless/ath/ath12k/qmi.c b/drivers/net/wireless/ath/ath12k/qmi.c index 8b4d500fe426..2591d132a3fc 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.c +++ b/drivers/net/wireless/ath/ath12k/qmi.c @@ -3088,11 +3088,69 @@ ath12k_qmi_driver_event_post(struct ath12k_qmi *qmi, return 0; } +void ath12k_qmi_trigger_host_cap(struct ath12k_base *ab) +{ + struct ath12k_qmi *qmi = &ab->qmi; + + spin_lock(&qmi->event_lock); + + if (ath12k_qmi_get_event_block(qmi)) + ath12k_qmi_set_event_block(qmi, false); + + spin_unlock(&qmi->event_lock); + + ath12k_dbg(ab, ATH12K_DBG_QMI, "trigger host cap for device id %d\n", + ab->device_id); + + ath12k_qmi_driver_event_post(qmi, ATH12K_QMI_EVENT_HOST_CAP, NULL); +} + +static bool ath12k_qmi_hw_group_host_cap_ready(struct ath12k_hw_group *ag) +{ + struct ath12k_base *ab; + int i; + + for (i = 0; i < ag->num_devices; i++) { + ab = ag->ab[i]; + + if (!(ab && ab->qmi.num_radios != U8_MAX)) + return false; + } + + return true; +} + +static struct ath12k_base *ath12k_qmi_hw_group_find_blocked(struct ath12k_hw_group *ag) +{ + struct ath12k_base *ab; + int i; + + lockdep_assert_held(&ag->mutex); + + for (i = 0; i < ag->num_devices; i++) { + ab = ag->ab[i]; + if (!ab) + continue; + + spin_lock(&ab->qmi.event_lock); + + if (ath12k_qmi_get_event_block(&ab->qmi)) { + spin_unlock(&ab->qmi.event_lock); + return ab; + } + + spin_unlock(&ab->qmi.event_lock); + } + + return NULL; +} + /* clang stack usage explodes if this is inlined */ static noinline_for_stack int ath12k_qmi_event_server_arrive(struct ath12k_qmi *qmi) { - struct ath12k_base *ab = qmi->ab; + struct ath12k_base *ab = qmi->ab, *block_ab; + struct ath12k_hw_group *ag = ab->ag; int ret; ath12k_qmi_phy_cap_send(ab); @@ -3103,12 +3161,22 @@ int ath12k_qmi_event_server_arrive(struct ath12k_qmi *qmi) return ret; } - ret = ath12k_qmi_host_cap_send(ab); - if (ret < 0) { - ath12k_warn(ab, "qmi failed to send host cap QMI:%d\n", ret); - return ret; + spin_lock(&qmi->event_lock); + + ath12k_qmi_set_event_block(qmi, true); + + spin_unlock(&qmi->event_lock); + + mutex_lock(&ag->mutex); + + if (ath12k_qmi_hw_group_host_cap_ready(ag)) { + block_ab = ath12k_qmi_hw_group_find_blocked(ag); + if (block_ab) + ath12k_qmi_trigger_host_cap(block_ab); } + mutex_unlock(&ag->mutex); + return ret; } @@ -3295,6 +3363,21 @@ static const struct qmi_ops ath12k_qmi_ops = { .del_server = ath12k_qmi_ops_del_server, }; +static int ath12k_qmi_event_host_cap(struct ath12k_qmi *qmi) +{ + struct ath12k_base *ab = qmi->ab; + int ret; + + ret = ath12k_qmi_host_cap_send(ab); + if (ret < 0) { + ath12k_warn(ab, "failed to send qmi host cap for device id %d: %d\n", + ab->device_id, ret); + return ret; + } + + return ret; +} + static void ath12k_qmi_driver_event_work(struct work_struct *work) { struct ath12k_qmi *qmi = container_of(work, struct ath12k_qmi, @@ -3351,6 +3434,11 @@ static void ath12k_qmi_driver_event_work(struct work_struct *work) &ab->dev_flags); break; + case ATH12K_QMI_EVENT_HOST_CAP: + ret = ath12k_qmi_event_host_cap(qmi); + if (ret < 0) + set_bit(ATH12K_FLAG_QMI_FAIL, &ab->dev_flags); + break; default: ath12k_warn(ab, "invalid event type: %d", event->type); break; diff --git a/drivers/net/wireless/ath/ath12k/qmi.h b/drivers/net/wireless/ath/ath12k/qmi.h index 0dfcbd8cb59b..98f6009ab21e 100644 --- a/drivers/net/wireless/ath/ath12k/qmi.h +++ b/drivers/net/wireless/ath/ath12k/qmi.h @@ -68,6 +68,7 @@ enum ath12k_qmi_event_type { ATH12K_QMI_EVENT_FORCE_FW_ASSERT, ATH12K_QMI_EVENT_POWER_UP, ATH12K_QMI_EVENT_POWER_DOWN, + ATH12K_QMI_EVENT_HOST_CAP, ATH12K_QMI_EVENT_MAX, }; @@ -142,6 +143,10 @@ struct ath12k_qmi { u32 target_mem_mode; bool target_mem_delayed; u8 cal_done; + + /* protected with struct ath12k_qmi::event_lock */ + bool block_event; + u8 num_radios; struct target_info target; struct m3_mem_region m3_mem; @@ -594,11 +599,26 @@ struct qmi_wlanfw_wlan_ini_resp_msg_v01 { struct qmi_response_type_v01 resp; }; +static inline void ath12k_qmi_set_event_block(struct ath12k_qmi *qmi, bool block) +{ + lockdep_assert_held(&qmi->event_lock); + + qmi->block_event = block; +} + +static inline bool ath12k_qmi_get_event_block(struct ath12k_qmi *qmi) +{ + lockdep_assert_held(&qmi->event_lock); + + return qmi->block_event; +} + int ath12k_qmi_firmware_start(struct ath12k_base *ab, u32 mode); void ath12k_qmi_firmware_stop(struct ath12k_base *ab); void ath12k_qmi_deinit_service(struct ath12k_base *ab); int ath12k_qmi_init_service(struct ath12k_base *ab); void ath12k_qmi_free_resource(struct ath12k_base *ab); +void ath12k_qmi_trigger_host_cap(struct ath12k_base *ab); #endif |