/* 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__ */