cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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spi-fsl-cpm.h (1436B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Freescale SPI controller driver cpm functions.
      4 *
      5 * Maintainer: Kumar Gala
      6 *
      7 * Copyright (C) 2006 Polycom, Inc.
      8 * Copyright 2010 Freescale Semiconductor, Inc.
      9 *
     10 * CPM SPI and QE buffer descriptors mode support:
     11 * Copyright (c) 2009  MontaVista Software, Inc.
     12 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
     13 */
     14
     15#ifndef __SPI_FSL_CPM_H__
     16#define __SPI_FSL_CPM_H__
     17
     18#include "spi-fsl-lib.h"
     19
     20#ifdef CONFIG_FSL_SOC
     21extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi);
     22extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
     23			    struct spi_transfer *t, bool is_dma_mapped);
     24extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi);
     25extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events);
     26extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi);
     27extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi);
     28#else
     29static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { }
     30static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
     31				   struct spi_transfer *t,
     32				   bool is_dma_mapped) { return 0; }
     33static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { }
     34static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { }
     35static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; }
     36static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { }
     37#endif
     38
     39#endif /* __SPI_FSL_CPM_H__ */