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
25 extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
26 extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
27 struct spi_transfer *t, bool is_dma_mapped);
28 extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
29 extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
30 extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
31 extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
32 #else
fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi * mspi)33 static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
fsl_spi_cpm_bufs(struct mpc8xxx_spi * mspi,struct spi_transfer * t,bool is_dma_mapped)34 static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
35 struct spi_transfer *t,
36 bool is_dma_mapped) { return 0; }
fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi * mspi)37 static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
fsl_spi_cpm_irq(struct mpc8xxx_spi * mspi,u32 events)38 static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
fsl_spi_cpm_init(struct mpc8xxx_spi * mspi)39 static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
fsl_spi_cpm_free(struct mpc8xxx_spi * mspi)40 static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
41 #endif
42
43 #endif /* __SPI_FSL_CPM_H__ */
44