/*
   * Freescale SPI controller driver cpm functions.
   *
   * Maintainer: Kumar Gala
   *
   * Copyright (C) 2006 Polycom, Inc.
   * Copyright 2010 Freescale Semiconductor, Inc.
   *
   * CPM SPI and QE buffer descriptors mode support:
   * Copyright (c) 2009  MontaVista Software, Inc.
   * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
   *
   * This program is free software; you can redistribute  it and/or modify it
   * under  the terms of  the GNU General  Public License as published by the
   * Free Software Foundation;  either version 2 of the  License, or (at your
   * option) any later version.
   */
  
  #ifndef __SPI_FSL_CPM_H__
  #define __SPI_FSL_CPM_H__
  
  #include "spi-fsl-lib.h"
  
  #ifdef CONFIG_FSL_SOC
  extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
  extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
  			    struct spi_transfer *t, bool is_dma_mapped);
  extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
  extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
  extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
  extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
  #else
  static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
  static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
  				   struct spi_transfer *t,
  				   bool is_dma_mapped) { return 0; }
  static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
  static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
  static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
  static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
  #endif
  
  #endif /* __SPI_FSL_CPM_H__ */