86 lines
4.0 KiB
C
86 lines
4.0 KiB
C
/****************************************************************************
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* drivers/wireless/ieee80211/bcmf_driver.h
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Simon Piriou <spiriou31@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_DRIVER_H
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#define __DRIVERS_WIRELESS_IEEE80211_BCMF_DRIVER_H
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#include <stdbool.h>
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#include <nuttx/sdio.h>
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#define BCMF_STATUS_BUS_UP (1<<0) /* Chip is flashed and running */
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#define BCMF_STATUS_READY (1<<1) /* Chip is ready to receive requests */
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#define BCMF_STATUS_SLEEP (1<<2) /* Chip is in low power mode */
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#define BCMF_STATUS_WAIT_CONTROL (1<<3) /* Waiting for control response */
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/* This structure contains the unique state of the Broadcom FullMAC driver */
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struct bcmf_dev_s
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{
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FAR struct sdio_dev_s *sdio_dev; /* The SDIO device bound to this instance */
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int minor; /* Device minor number */
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uint32_t backplane_current_addr; /* Current function 1 backplane base addr */
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uint32_t (*get_core_base_address)(unsigned int core); /* Get chip specific
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base address for evey cores */
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sem_t thread_signal; /* Semaphore for processing thread event */
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struct wdog_s *waitdog; /* Processing thread waitdog */
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bool ready; /* Current device status */
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bool sleeping; /* Current sleep status */
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volatile bool irq_pending; /* True if interrupt is pending */
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uint32_t intstatus; /* Copy of device current interrupt status */
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uint8_t max_seq; /* Maximum transmit sequence allowed */
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uint8_t tx_seq; /* Transmit sequence number (next) */
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uint8_t rx_seq; /* Receive sequence number (expected) */
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// FIXME use mutex instead of semaphore
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sem_t control_mutex; /* Cannot handle multiple control requests */
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sem_t control_timeout; /* Semaphore to wait for control frame rsp */
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uint16_t control_reqid; /* Current control request id */
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uint8_t *control_rxframe; /* Received control frame response */
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uint32_t control_status; /* Last received frame status */
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// FIXME use mutex instead of semaphore
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sem_t tx_queue_mutex; /* Lock for transmit queue */
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dq_queue_t tx_queue; /* Queue of frames to tramsmit */
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uint8_t mac_addr[6]; /* Current mac address */
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};
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#endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_DRIVER_H */
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