167 lines
6.2 KiB
C
167 lines
6.2 KiB
C
/****************************************************************************
|
|
* drivers/wireless/ieee80211/bcm43xxx/bcmf_sdio.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H
|
|
#define __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <queue.h>
|
|
|
|
#include <nuttx/sdio.h>
|
|
#include <nuttx/semaphore.h>
|
|
|
|
#include "bcmf_driver.h"
|
|
#include "bcmf_sdio_core.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define HEADER_SIZE 0x12 /* Default sdpcm + bdc header size */
|
|
#define FIRST_WORD_SIZE 4
|
|
#define FC_UPDATE_PKT_LENGTH 12
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
/* SDIO chip configuration structure */
|
|
|
|
struct bcmf_sdio_chip
|
|
{
|
|
uint32_t ram_base;
|
|
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) */
|
|
bool flow_ctrl; /* Current flow control status */
|
|
|
|
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 pad[CONFIG_IEEE80211_BROADCOM_DMABUF_ALIGNMENT -
|
|
FIRST_WORD_SIZE]
|
|
aligned_data(CONFIG_IEEE80211_BROADCOM_DMABUF_ALIGNMENT);
|
|
|
|
/* pad[] array is used and aligned in order to make the following data[]
|
|
* buffer aligned beginning from the offset of 4 bytes to the address
|
|
* boundary for SDIO DMA transfers.
|
|
* The first 4 bytes of data[] buffer are not directly used in DMA
|
|
* transfers. Instead, they are used as the initial phase just to get
|
|
* the length of the remaining long data to be read. Thus only
|
|
* the remaining part of data[] buffer beginning from the offset of 4 bytes
|
|
* is required to be aligned to the address boundary set by
|
|
* CONFIG_IEEE80211_BROADCOM_SDIO_DMA_BUF_ALIGNMENT parameter.
|
|
*/
|
|
|
|
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 */
|