115 lines
4.6 KiB
C
115 lines
4.6 KiB
C
/****************************************************************************
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* drivers/wireless/ieee80211/bcm43xxx/bcmf_gspi.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_WIRELESS_IEEE80211_BCM43XXX_BCMF_GSPI_H
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#define __DRIVERS_WIRELESS_IEEE80211_BCM43XXX_BCMF_GSPI_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/list.h>
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#include <nuttx/semaphore.h>
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#include <nuttx/wireless/ieee80211/bcmf_gspi.h>
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#include "bcmf_chip_data.h"
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#include "bcmf_driver.h"
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#include "bcmf_sdio_core.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define HEADER_SIZE 0x12 /* Default sdpcm + bdc header size */
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#define FIRST_WORD_SIZE 4
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#define FC_UPDATE_PKT_LENGTH 12
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#define BCMF_UPLOAD_TRANSFER_SIZE 64
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/* gSPI bus structure extension */
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typedef struct bcmf_gspi_dev_s
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{
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struct bcmf_bus_dev_s bus; /* Default bcmf bus structure */
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FAR struct gspi_dev_s *gspi; /* The gSPI device bound to this instance */
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int cur_chip_id; /* Chip ID read from the card */
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struct bcmf_chip_data *chip; /* Chip specific configuration */
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volatile bool ready; /* Current device status */
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bool sleeping; /* Current sleep status */
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bool kso_enable; /* Current Keep sdio on status */
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bool support_sr; /* Firmware support save restore */
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pid_t thread_id; /* Processing thread id */
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sem_t thread_signal; /* Semaphore for processing thread event */
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volatile bool thread_run; /* Set false to exit processing thread */
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volatile bool irq_pending; /* True if interrupt is pending */
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uint32_t backplane_current_addr; /* Current function 1 backplane base addr */
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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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sem_t queue_mutex; /* Lock for TX/RX/free queues */
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struct list_node tx_queue; /* Queue of frames to transmit */
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struct list_node rx_queue; /* Queue of frames used to receive */
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volatile int tx_queue_count; /* Count of items in TX queue */
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} bcmf_gspi_dev_t;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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int bcmf_gspi_initialize(FAR struct gspi_dev_s *gspi);
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int bcmf_bus_gspi_active(FAR struct bcmf_dev_s *priv,
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bool active);
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/* FIXME: Low level bus data transfer function
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* To avoid bus error, len will be aligned to:
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* - upper power of 2 iflen is lesser than 64
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* - upper 64 bytes block if len is greater than 64
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*/
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int bcmf_transfer_bytes(FAR bcmf_gspi_dev_t *gbus,
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bool write,
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uint8_t function,
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uint32_t address,
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uint8_t *buf,
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unsigned int len);
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int bcmf_read_reg(FAR bcmf_gspi_dev_t *gbus,
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uint8_t function,
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uint32_t address,
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uint8_t *reg);
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int bcmf_write_reg(FAR bcmf_gspi_dev_t *gbus,
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uint8_t function,
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uint32_t address,
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uint8_t reg);
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#endif /* __DRIVERS_WIRELESS_IEEE80211_BCM43XXX_BCMF_GSPI_H */
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