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Andreas Larssone8beacb2013-02-15 16:52:21 +01001/*
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__ */