/**************************************************************************** * drivers/wireless/bcm43xxx/ieee80211/bcmf_sdio.h * * Copyright (C) 2017-2018 Gregory Nutt. All rights reserved. * Author: Simon Piriou * * 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. * ****************************************************************************/ #ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H #define __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include "bcmf_driver.h" #include "bcmf_sdio_core.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #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]; /* In-memory file images */ FAR uint8_t *nvram_image; FAR unsigned int *nvram_image_size; #ifndef CONFIG_IEEE80211_BROADCOM_FWFILES FAR uint8_t *firmware_image; FAR unsigned int *firmware_image_size; #ifdef CONFIG_IEEE80211_BROADCOM_HAVE_CLM FAR uint8_t *clm_blob_image; FAR unsigned int *clm_blob_image_size; #endif #endif }; /* 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 */ int cur_chip_id; /* Chip ID read from the card */ 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 transmit */ 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_NETDEV_PKTSIZE + 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 */