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Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/bus.h')
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/bus.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/bus.h b/drivers/net/wireless/quantenna/qtnfmac/bus.h
new file mode 100644
index 000000000000..dda05003d522
--- /dev/null
+++ b/drivers/net/wireless/quantenna/qtnfmac/bus.h
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2015 Quantenna Communications
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef QTNFMAC_BUS_H
+#define QTNFMAC_BUS_H
+
+#include <linux/netdevice.h>
+#include <linux/workqueue.h>
+
+#define QTNF_MAX_MAC 3
+
+enum qtnf_fw_state {
+ QTNF_FW_STATE_RESET,
+ QTNF_FW_STATE_FW_DNLD_DONE,
+ QTNF_FW_STATE_BOOT_DONE,
+ QTNF_FW_STATE_ACTIVE,
+ QTNF_FW_STATE_DEAD,
+};
+
+struct qtnf_bus;
+
+struct qtnf_bus_ops {
+ /* mgmt methods */
+ int (*preinit)(struct qtnf_bus *);
+ void (*stop)(struct qtnf_bus *);
+
+ /* control path methods */
+ int (*control_tx)(struct qtnf_bus *, struct sk_buff *);
+
+ /* data xfer methods */
+ int (*data_tx)(struct qtnf_bus *, struct sk_buff *);
+ void (*data_tx_timeout)(struct qtnf_bus *, struct net_device *);
+ void (*data_rx_start)(struct qtnf_bus *);
+ void (*data_rx_stop)(struct qtnf_bus *);
+};
+
+struct qtnf_bus {
+ struct device *dev;
+ enum qtnf_fw_state fw_state;
+ u32 chip;
+ u32 chiprev;
+ const struct qtnf_bus_ops *bus_ops;
+ struct qtnf_wmac *mac[QTNF_MAX_MAC];
+ struct qtnf_qlink_transport trans;
+ struct qtnf_hw_info hw_info;
+ char fwname[32];
+ struct napi_struct mux_napi;
+ struct net_device mux_dev;
+ struct completion request_firmware_complete;
+ struct workqueue_struct *workqueue;
+ struct work_struct event_work;
+ struct mutex bus_lock; /* lock during command/event processing */
+ struct dentry *dbg_dir;
+ /* bus private data */
+ char bus_priv[0] __aligned(sizeof(void *));
+};
+
+static inline void *get_bus_priv(struct qtnf_bus *bus)
+{
+ if (WARN(!bus, "qtnfmac: invalid bus pointer"))
+ return NULL;
+
+ return &bus->bus_priv;
+}
+
+/* callback wrappers */
+
+static inline int qtnf_bus_preinit(struct qtnf_bus *bus)
+{
+ if (!bus->bus_ops->preinit)
+ return 0;
+ return bus->bus_ops->preinit(bus);
+}
+
+static inline void qtnf_bus_stop(struct qtnf_bus *bus)
+{
+ if (!bus->bus_ops->stop)
+ return;
+ bus->bus_ops->stop(bus);
+}
+
+static inline int qtnf_bus_data_tx(struct qtnf_bus *bus, struct sk_buff *skb)
+{
+ return bus->bus_ops->data_tx(bus, skb);
+}
+
+static inline void
+qtnf_bus_data_tx_timeout(struct qtnf_bus *bus, struct net_device *ndev)
+{
+ return bus->bus_ops->data_tx_timeout(bus, ndev);
+}
+
+static inline int qtnf_bus_control_tx(struct qtnf_bus *bus, struct sk_buff *skb)
+{
+ return bus->bus_ops->control_tx(bus, skb);
+}
+
+static inline void qtnf_bus_data_rx_start(struct qtnf_bus *bus)
+{
+ return bus->bus_ops->data_rx_start(bus);
+}
+
+static inline void qtnf_bus_data_rx_stop(struct qtnf_bus *bus)
+{
+ return bus->bus_ops->data_rx_stop(bus);
+}
+
+static __always_inline void qtnf_bus_lock(struct qtnf_bus *bus)
+{
+ mutex_lock(&bus->bus_lock);
+}
+
+static __always_inline void qtnf_bus_unlock(struct qtnf_bus *bus)
+{
+ mutex_unlock(&bus->bus_lock);
+}
+
+/* interface functions from common layer */
+
+void qtnf_rx_frame(struct device *dev, struct sk_buff *rxp);
+int qtnf_core_attach(struct qtnf_bus *bus);
+void qtnf_core_detach(struct qtnf_bus *bus);
+void qtnf_txflowblock(struct device *dev, bool state);
+void qtnf_txcomplete(struct device *dev, struct sk_buff *txp, bool success);
+
+#endif /* QTNFMAC_BUS_H */