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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/* linux/drivers/spi/spi_s3c24xx_fiq.h
3 *
4 * Copyright 2009 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C24XX SPI - FIQ pseudo-DMA transfer support
8*/
9
10#ifndef __LINUX_SPI_S3C24XX_FIQ_H
11#define __LINUX_SPI_S3C24XX_FIQ_H __FILE__
12
13/* We have R8 through R13 to play with */
14
15#ifdef __ASSEMBLY__
16#define __REG_NR(x) r##x
17#else
18
19extern struct spi_fiq_code s3c24xx_spi_fiq_txrx;
20extern struct spi_fiq_code s3c24xx_spi_fiq_tx;
21extern struct spi_fiq_code s3c24xx_spi_fiq_rx;
22
23#define __REG_NR(x) (x)
24#endif
25
26#define fiq_rspi __REG_NR(8)
27#define fiq_rtmp __REG_NR(9)
28#define fiq_rrx __REG_NR(10)
29#define fiq_rtx __REG_NR(11)
30#define fiq_rcount __REG_NR(12)
31#define fiq_rirq __REG_NR(13)
32
33#endif /* __LINUX_SPI_S3C24XX_FIQ_H */