blob: 160f999708b691b9e9ff4ad03787c8486f4a9374 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* 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__ */
|