123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147 |
- /****************************************************************************
- * drivers/wireless/ieee80211/bcmf_sdio.h
- *
- * Copyright (C) 2017 Gregory Nutt. All rights reserved.
- * Author: Simon Piriou <spiriou31@gmail.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H
- #define __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H
- #include "bcmf_driver.h"
- #include <stdint.h>
- #include <stdbool.h>
- #include <queue.h>
- #include <semaphore.h>
- #include <nuttx/sdio.h>
- #include "bcmf_sdio_core.h"
- #define HEADER_SIZE 0x12 /* Default sdpcm + bdc header size */
- // TODO move to Kconfig
- #define BCMF_PKT_POOL_SIZE 4 /* Frame pool size */
- /****************************************************************************
- * Public Types
- ****************************************************************************/
- /* sdio chip configuration structure */
- struct bcmf_sdio_chip
- {
- uint32_t ram_size;
- uint32_t core_base[MAX_CORE_ID];
- uint8_t *firmware_image;
- unsigned int *firmware_image_size;
- uint8_t *nvram_image;
- unsigned int *nvram_image_size;
- };
- /* sdio bus structure extension */
- struct bcmf_sdio_dev_s
- {
- struct bcmf_bus_dev_s bus; /* Default bcmf bus structure */
- FAR struct sdio_dev_s *sdio_dev; /* The SDIO device bound to this instance */
- int minor; /* Device minor number */
- struct bcmf_sdio_chip *chip; /* Chip specific configuration */
- volatile bool ready; /* Current device status */
- bool sleeping; /* Current sleep status */
- int thread_id; /* Processing thread id */
- sem_t thread_signal; /* Semaphore for processing thread event */
- struct wdog_s *waitdog; /* Processing thread waitdog */
- uint32_t backplane_current_addr; /* Current function 1 backplane base addr */
- volatile bool irq_pending; /* True if interrupt is pending */
- uint32_t intstatus; /* Copy of device current interrupt status */
- uint8_t max_seq; /* Maximum transmit sequence allowed */
- uint8_t tx_seq; /* Transmit sequence number (next) */
- uint8_t rx_seq; /* Receive sequence number (expected) */
- sem_t queue_mutex; /* Lock for TX/RX/free queues */
- dq_queue_t free_queue; /* Queue of available frames */
- dq_queue_t tx_queue; /* Queue of frames to tramsmit */
- dq_queue_t rx_queue; /* Queue of frames used to receive */
- volatile int tx_queue_count; /* Count of items in TX queue */
- };
- /* Structure used to manage SDIO frames */
- struct bcmf_sdio_frame
- {
- struct bcmf_frame_s header;
- bool tx;
- dq_entry_t list_entry;
- uint8_t data[HEADER_SIZE + MAX_NET_DEV_MTU +
- CONFIG_NET_GUARDSIZE];
- };
- /****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
- int bcmf_bus_sdio_initialize(FAR struct bcmf_dev_s *priv,
- int minor, FAR struct sdio_dev_s *dev);
- /* FIXME: Low level bus data transfer function
- * To avoid bus error, len will be aligned to:
- * - upper power of 2 iflen is lesser than 64
- * - upper 64 bytes block if len is greater than 64
- */
- int bcmf_transfer_bytes(FAR struct bcmf_sdio_dev_s *sbus, bool write,
- uint8_t function, uint32_t address,
- uint8_t *buf, unsigned int len);
- int bcmf_read_reg(FAR struct bcmf_sdio_dev_s *sbus, uint8_t function,
- uint32_t address, uint8_t *reg);
- int bcmf_write_reg(FAR struct bcmf_sdio_dev_s *sbus, uint8_t function,
- uint32_t address, uint8_t reg);
- struct bcmf_sdio_frame *bcmf_sdio_allocate_frame(FAR struct bcmf_dev_s *priv,
- bool block, bool tx);
- void bcmf_sdio_free_frame(FAR struct bcmf_dev_s *priv,
- struct bcmf_sdio_frame *sframe);
- #endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H */
|