maxim_spi.h

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/***************************************************************************/
#ifndef MAXIM_SPI_H_
#define MAXIM_SPI_H_
 
#include <stdint.h>
#include "gpio.h"
#include "no_os_spi.h"
#include "no_os_dma.h"
#include "maxim_dma.h"
 
extern const struct no_os_spi_platform_ops max_spi_ops;
 
enum spi_ss_polarity {
    SPI_SS_POL_LOW,
    SPI_SS_POL_HIGH
};
 
struct max_spi_init_param {
    uint32_t num_slaves;
    enum spi_ss_polarity polarity;
    mxc_gpio_vssel_t vssel;
    struct no_os_dma_init_param *dma_param;
    uint32_t dma_rx_priority;
    uint32_t dma_tx_priority;
};
 
struct max_spi_state {
    struct max_spi_init_param *init_param;
    uint32_t cs_delay_first;
    uint32_t cs_delay_last;
    struct no_os_dma_desc *dma;
    uint32_t dma_req_rx;
    uint32_t dma_req_tx;
};
 
#endif