[PATCH 04/12] ath10k: add support to start and stop qmi service
Govind Singh
govinds at codeaurora.org
Sun Mar 25 22:39:33 PDT 2018
Add support to start qmi service to configure the wlan
firmware component and register event notifier to communicate
with the WLAN firmware over qmi communication interface.
Signed-off-by: Govind Singh <govinds at codeaurora.org>
---
drivers/net/wireless/ath/ath10k/qmi.c | 155 ++++++++++++++++++++++++++++++++--
drivers/net/wireless/ath/ath10k/qmi.h | 13 +++
2 files changed, 160 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c
index 2235182..3a7fcc6 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.c
+++ b/drivers/net/wireless/ath/ath10k/qmi.c
@@ -31,15 +31,115 @@
static struct ath10k_qmi *qmi;
+static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
+{
+ pr_debug("fw ready event received\n");
+ spin_lock(&qmi->event_lock);
+ qmi->fw_ready = true;
+ spin_unlock(&qmi->event_lock);
+
+ return 0;
+}
+
+static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl,
+ struct sockaddr_qrtr *sq,
+ struct qmi_txn *txn, const void *data)
+{
+ struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
+
+ ath10k_qmi_event_fw_ready_ind(qmi);
+}
+
+static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl,
+ struct sockaddr_qrtr *sq,
+ struct qmi_txn *txn, const void *data)
+{
+ struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
+
+ qmi->msa_ready = true;
+}
+
+static struct qmi_msg_handler qmi_msg_handler[] = {
+ {
+ .type = QMI_INDICATION,
+ .msg_id = QMI_WLFW_FW_READY_IND_V01,
+ .ei = wlfw_fw_ready_ind_msg_v01_ei,
+ .decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
+ .fn = ath10k_qmi_fw_ready_ind,
+ },
+ {
+ .type = QMI_INDICATION,
+ .msg_id = QMI_WLFW_MSA_READY_IND_V01,
+ .ei = wlfw_msa_ready_ind_msg_v01_ei,
+ .decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
+ .fn = ath10k_qmi_msa_ready_ind,
+ },
+ {}
+};
+
+static int ath10k_qmi_connect_to_fw_server(struct ath10k_qmi *qmi)
+{
+ struct qmi_handle *qmi_hdl = &qmi->qmi_hdl;
+ int ret;
+
+ ret = kernel_connect(qmi_hdl->sock, (struct sockaddr *)&qmi->sq,
+ sizeof(qmi->sq), 0);
+ if (ret) {
+ pr_err("fail to connect to remote service port\n");
+ return ret;
+ }
+
+ pr_info("wlan qmi service connected\n");
+
+ return 0;
+}
+
+static void ath10k_qmi_event_server_arrive(struct work_struct *work)
+{
+ struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
+ work_svc_arrive);
+ int ret;
+
+ ret = ath10k_qmi_connect_to_fw_server(qmi);
+ if (ret)
+ return;
+
+ pr_debug("qmi server arrive\n");
+}
+
+static void ath10k_qmi_event_server_exit(struct work_struct *work)
+{
+ struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
+ work_svc_exit);
+
+ spin_lock(&qmi->event_lock);
+ qmi->fw_ready = false;
+ spin_unlock(&qmi->event_lock);
+ pr_info("wlan fw service disconnected\n");
+}
+
static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl,
struct qmi_service *service)
{
+ struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
+ struct sockaddr_qrtr *sq = &qmi->sq;
+
+ sq->sq_family = AF_QIPCRTR;
+ sq->sq_node = service->node;
+ sq->sq_port = service->port;
+
+ queue_work(qmi->event_wq, &qmi->work_svc_arrive);
+
return 0;
}
static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
struct qmi_service *service)
{
+ struct ath10k_qmi *qmi =
+ container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
+
+ queue_work(qmi->event_wq, &qmi->work_svc_exit);
}
static struct qmi_ops ath10k_qmi_ops = {
@@ -47,6 +147,51 @@ static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
.del_server = ath10k_qmi_del_server,
};
+static int ath10k_alloc_qmi_resources(struct ath10k_qmi *qmi)
+{
+ int ret;
+
+ ret = qmi_handle_init(&qmi->qmi_hdl,
+ WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
+ &ath10k_qmi_ops, qmi_msg_handler);
+ if (ret)
+ goto err;
+
+ qmi->event_wq = alloc_workqueue("qmi_driver_event",
+ WQ_UNBOUND, 1);
+ if (!qmi->event_wq) {
+ pr_err("workqueue alloc failed\n");
+ ret = -EFAULT;
+ goto err_qmi_service;
+ }
+
+ spin_lock_init(&qmi->event_lock);
+ INIT_WORK(&qmi->work_svc_arrive, ath10k_qmi_event_server_arrive);
+ INIT_WORK(&qmi->work_svc_exit, ath10k_qmi_event_server_exit);
+
+ ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
+ WLFW_SERVICE_VERS_V01, 0);
+ if (ret)
+ goto err_qmi_service;
+
+ return 0;
+
+err_qmi_service:
+ qmi_handle_release(&qmi->qmi_hdl);
+
+err:
+ return ret;
+}
+
+static void ath10k_remove_qmi_resources(struct ath10k_qmi *qmi)
+{
+ cancel_work_sync(&qmi->work_svc_arrive);
+ cancel_work_sync(&qmi->work_svc_exit);
+ destroy_workqueue(qmi->event_wq);
+ qmi_handle_release(&qmi->qmi_hdl);
+ qmi = NULL;
+}
+
static int ath10k_qmi_probe(struct platform_device *pdev)
{
int ret;
@@ -58,14 +203,8 @@ static int ath10k_qmi_probe(struct platform_device *pdev)
qmi->pdev = pdev;
platform_set_drvdata(pdev, qmi);
- ret = qmi_handle_init(&qmi->qmi_hdl,
- WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
- &ath10k_qmi_ops, NULL);
- if (ret < 0)
- goto err;
- ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
- WLFW_SERVICE_VERS_V01, 0);
+ ret = ath10k_alloc_qmi_resources(qmi);
if (ret < 0)
goto err;
@@ -81,7 +220,7 @@ static int ath10k_qmi_remove(struct platform_device *pdev)
{
struct ath10k_qmi *qmi = platform_get_drvdata(pdev);
- qmi_handle_release(&qmi->qmi_hdl);
+ ath10k_remove_qmi_resources(qmi);
return 0;
}
diff --git a/drivers/net/wireless/ath/ath10k/qmi.h b/drivers/net/wireless/ath/ath10k/qmi.h
index ad256ef..7697d24 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.h
+++ b/drivers/net/wireless/ath/ath10k/qmi.h
@@ -16,9 +16,22 @@
#ifndef _QMI_H_
#define _QMI_H_
+enum ath10k_qmi_driver_event_type {
+ ATH10K_QMI_EVENT_SERVER_ARRIVE,
+ ATH10K_QMI_EVENT_SERVER_EXIT,
+ ATH10K_QMI_EVENT_FW_READY_IND,
+ ATH10K_QMI_EVENT_MAX,
+};
+
struct ath10k_qmi {
struct platform_device *pdev;
struct qmi_handle qmi_hdl;
struct sockaddr_qrtr sq;
+ bool fw_ready;
+ bool msa_ready;
+ struct work_struct work_svc_arrive;
+ struct work_struct work_svc_exit;
+ struct workqueue_struct *event_wq;
+ spinlock_t event_lock; /* spinlock for fw ready status*/
};
#endif /* _QMI_H_ */
--
1.9.1
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