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39 lines
1.4 KiB
39 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Freescale SPI controller driver cpm functions. |
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* |
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* Maintainer: Kumar Gala |
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* |
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* Copyright (C) 2006 Polycom, Inc. |
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* Copyright 2010 Freescale Semiconductor, Inc. |
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* |
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* CPM SPI and QE buffer descriptors mode support: |
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* Copyright (c) 2009 MontaVista Software, Inc. |
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* Author: Anton Vorontsov <[email protected]> |
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*/ |
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#ifndef __SPI_FSL_CPM_H__ |
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#define __SPI_FSL_CPM_H__ |
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#include "spi-fsl-lib.h" |
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#ifdef CONFIG_FSL_SOC |
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extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi); |
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extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, |
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struct spi_transfer *t, bool is_dma_mapped); |
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extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi); |
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extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events); |
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extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi); |
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extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi); |
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#else |
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static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { } |
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static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, |
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struct spi_transfer *t, |
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bool is_dma_mapped) { return 0; } |
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static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { } |
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static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { } |
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static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; } |
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static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { } |
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#endif |
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#endif /* __SPI_FSL_CPM_H__ */
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