forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.4 KiB
39 lines
1.4 KiB
/* 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 <[email protected]> |
|
*/ |
|
|
|
#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__ */
|
|
|