40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* 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>
|
|
*/
|
|
|
|
#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__ */
|