| /* 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__ */ |
