1/*
 2 * Freescale SPI controller driver cpm functions.
 3 *
 4 * Maintainer: Kumar Gala
 5 *
 6 * Copyright (C) 2006 Polycom, Inc.
 7 * Copyright 2010 Freescale Semiconductor, Inc.
 8 *
 9 * CPM SPI and QE buffer descriptors mode support:
10 * Copyright (c) 2009  MontaVista Software, Inc.
11 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
12 *
13 * This program is free software; you can redistribute  it and/or modify it
14 * under  the terms of  the GNU General  Public License as published by the
15 * Free Software Foundation;  either version 2 of the  License, or (at your
16 * option) any later version.
17 */
18
19#ifndef __SPI_FSL_CPM_H__
20#define __SPI_FSL_CPM_H__
21
22#include "spi-fsl-lib.h"
23
24#ifdef CONFIG_FSL_SOC
25extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
26extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
27			    struct spi_transfer *t, bool is_dma_mapped);
28extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
29extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
30extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
31extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
32#else
33static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
34static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
35				   struct spi_transfer *t,
36				   bool is_dma_mapped) { return 0; }
37static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
38static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
39static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
40static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
41#endif
42
43#endif /* __SPI_FSL_CPM_H__ */