dspi.h

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/*
 * Copyright (c) 2008
 * Embedded Brains GmbH
 * Obere Lagerstr. 30
 * D-82178 Puchheim
 * Germany
 * rtems@embedded-brains.de
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */
 
#ifndef LIBCPU_POWERPC_MPC55XX_DSPI_H
#define LIBCPU_POWERPC_MPC55XX_DSPI_H
 
#include <rtems/libi2c.h>
 
#include <mpc55xx/edma.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
struct DSPI_tag;
 
typedef struct {
  edma_channel_context edma;
  rtems_id id;
} mpc55xx_dspi_edma_entry;
 
typedef struct {
    rtems_libi2c_bus_t bus;
 
    unsigned table_index;
 
    unsigned bus_number;
 
    volatile struct DSPI_tag *regs;
 
    bool master;
 
    union DSPI_PUSHR_tag push_data;
 
    mpc55xx_dspi_edma_entry edma_transmit;
 
    mpc55xx_dspi_edma_entry edma_push;
 
    mpc55xx_dspi_edma_entry edma_receive;
 
    uint32_t idle_char;
 
    uint32_t baud;
} mpc55xx_dspi_bus_entry;
 
#define MPC55XX_DSPI_NUMBER 4
 
extern mpc55xx_dspi_bus_entry mpc55xx_dspi_bus_table [ /* MPC55XX_DSPI_NUMBER */ ];
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* LIBCPU_POWERPC_MPC55XX_DSPI_H */