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 |
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__ */ |
40 | |