Andreas Larsson | e8beacb | 2013-02-15 16:52:21 +0100 | [diff] [blame] | 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 |
| 33 | static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { } |
| 34 | static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, |
| 35 | struct spi_transfer *t, |
| 36 | bool is_dma_mapped) { return 0; } |
| 37 | static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { } |
| 38 | static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { } |
| 39 | static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; } |
| 40 | static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { } |
| 41 | #endif |
| 42 | |
| 43 | #endif /* __SPI_FSL_CPM_H__ */ |