| Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andreas Larsson | e8beacb | 2013-02-15 16:52:21 +0100 | [diff] [blame] | 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> |
| Andreas Larsson | e8beacb | 2013-02-15 16:52:21 +0100 | [diff] [blame] | 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 |
| 21 | extern void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi); |
| 22 | extern int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, |
| 23 | struct spi_transfer *t, bool is_dma_mapped); |
| 24 | extern void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi); |
| 25 | extern void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events); |
| 26 | extern int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi); |
| 27 | extern void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi); |
| 28 | #else |
| 29 | static inline void fsl_spi_cpm_reinit_txrx(struct mpc8xxx_spi *mspi) { } |
| 30 | static inline int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi, |
| 31 | struct spi_transfer *t, |
| 32 | bool is_dma_mapped) { return 0; } |
| 33 | static inline void fsl_spi_cpm_bufs_complete(struct mpc8xxx_spi *mspi) { } |
| 34 | static inline void fsl_spi_cpm_irq(struct mpc8xxx_spi *mspi, u32 events) { } |
| 35 | static inline int fsl_spi_cpm_init(struct mpc8xxx_spi *mspi) { return 0; } |
| 36 | static inline void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { } |
| 37 | #endif |
| 38 | |
| 39 | #endif /* __SPI_FSL_CPM_H__ */ |