drivers/staging/wfx/bh.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Interrupt bottom half.
   4  *
   5  * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
   6  * Copyright (c) 2010, ST-Ericsson
   7  */
   8 #ifndef WFX_BH_H
   9 #define WFX_BH_H
  10
  11 #include <linux/atomic.h>
  12 #include <linux/wait.h>
  13 #include <linux/workqueue.h>
  14
  15 struct wfx_dev;
  16
  17 struct wfx_hif {
  18         struct work_struct bh;
  19         struct completion ctrl_ready;
  20         wait_queue_head_t tx_buffers_empty;
  21         atomic_t ctrl_reg;
  22         int rx_seqnum;
  23         int tx_seqnum;
  24         int tx_buffers_used;
  25 };
  26
  27 void wfx_bh_register(struct wfx_dev *wdev);
  28 void wfx_bh_unregister(struct wfx_dev *wdev);
  29 void wfx_bh_request_rx(struct wfx_dev *wdev);
  30 void wfx_bh_request_tx(struct wfx_dev *wdev);
  31 void wfx_bh_poll_irq(struct wfx_dev *wdev);
  32
  33 #endif /* WFX_BH_H */