nuttx/drivers/wireless/ieee80211/bcmf_sdio.h
2017-04-23 23:39:17 +02:00

74 lines
2.5 KiB
C

#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"
/* 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 tx_queue_mutex; /* Lock for transmit queue */
dq_queue_t tx_queue; /* Queue of frames to tramsmit */
};
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);
#endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_SDIO_H */