#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
+#include <linux/remoteproc/qcom_rproc.h>
#include <linux/of_address.h>
#include <linux/iommu.h>
mutex_unlock(&ar->dump_mutex);
}
+static int ath10k_snoc_modem_notify(struct notifier_block *nb, unsigned long action,
+ void *data)
+{
+ struct ath10k_snoc *ar_snoc = container_of(nb, struct ath10k_snoc, nb);
+ struct ath10k *ar = ar_snoc->ar;
+ struct qcom_ssr_notify_data *notify_data = data;
+
+ switch (action) {
+ case QCOM_SSR_BEFORE_POWERUP:
+ ath10k_dbg(ar, ATH10K_DBG_SNOC, "received modem starting event\n");
+ clear_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags);
+ break;
+
+ case QCOM_SSR_AFTER_POWERUP:
+ ath10k_dbg(ar, ATH10K_DBG_SNOC, "received modem running event\n");
+ break;
+
+ case QCOM_SSR_BEFORE_SHUTDOWN:
+ ath10k_dbg(ar, ATH10K_DBG_SNOC, "received modem %s event\n",
+ notify_data->crashed ? "crashed" : "stopping");
+ if (!notify_data->crashed)
+ set_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags);
+ else
+ clear_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags);
+ break;
+
+ case QCOM_SSR_AFTER_SHUTDOWN:
+ ath10k_dbg(ar, ATH10K_DBG_SNOC, "received modem offline event\n");
+ break;
+
+ default:
+ ath10k_err(ar, "received unrecognized event %lu\n", action);
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static int ath10k_modem_init(struct ath10k *ar)
+{
+ struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+ void *notifier;
+ int ret;
+
+ ar_snoc->nb.notifier_call = ath10k_snoc_modem_notify;
+
+ notifier = qcom_register_ssr_notifier("mpss", &ar_snoc->nb);
+ if (IS_ERR(notifier)) {
+ ret = PTR_ERR(notifier);
+ ath10k_err(ar, "failed to initialize modem notifier: %d\n", ret);
+ return ret;
+ }
+
+ ar_snoc->notifier = notifier;
+
+ return 0;
+}
+
+static void ath10k_modem_deinit(struct ath10k *ar)
+{
+ int ret;
+ struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+
+ ret = qcom_unregister_ssr_notifier(ar_snoc->notifier, &ar_snoc->nb);
+ if (ret)
+ ath10k_err(ar, "error %d unregistering notifier\n", ret);
+}
+
static int ath10k_setup_msa_resources(struct ath10k *ar, u32 msa_size)
{
struct device *dev = ar->dev;
goto err_fw_deinit;
}
+ ret = ath10k_modem_init(ar);
+ if (ret)
+ goto err_qmi_deinit;
+
ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc probe\n");
return 0;
+err_qmi_deinit:
+ ath10k_qmi_deinit(ar);
+
err_fw_deinit:
ath10k_fw_deinit(ar);
ath10k_fw_deinit(ar);
ath10k_snoc_free_irq(ar);
ath10k_snoc_release_resource(ar);
+ ath10k_modem_deinit(ar);
ath10k_qmi_deinit(ar);
ath10k_core_destroy(ar);