Release 4.12 include/linux/dma/hsu.h
/*
* Driver for the High Speed UART DMA
*
* Copyright (C) 2015 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _DMA_HSU_H
#define _DMA_HSU_H
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/platform_data/dma-hsu.h>
struct hsu_dma;
/**
* struct hsu_dma_chip - representation of HSU DMA hardware
* @dev: struct device of the DMA controller
* @irq: irq line
* @regs: memory mapped I/O space
* @length: I/O space length
* @offset: offset of the I/O space where registers are located
* @hsu: struct hsu_dma that is filed by ->probe()
* @pdata: platform data for the DMA controller if provided
*/
struct hsu_dma_chip {
struct device *dev;
int irq;
void __iomem *regs;
unsigned int length;
unsigned int offset;
struct hsu_dma *hsu;
};
#if IS_ENABLED(CONFIG_HSU_DMA)
/* Export to the internal users */
int hsu_dma_get_status(struct hsu_dma_chip *chip, unsigned short nr,
u32 *status);
int hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr, u32 status);
/* Export to the platform drivers */
int hsu_dma_probe(struct hsu_dma_chip *chip);
int hsu_dma_remove(struct hsu_dma_chip *chip);
#else
static inline int hsu_dma_get_status(struct hsu_dma_chip *chip,
unsigned short nr, u32 *status)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chuah, Kim Tatt | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
static inline int hsu_dma_do_irq(struct hsu_dma_chip *chip, unsigned short nr,
u32 status)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Heikki Krogerus | 16 | 72.73% | 1 | 33.33% |
| Chuah, Kim Tatt | 4 | 18.18% | 1 | 33.33% |
| Andy Shevchenko | 2 | 9.09% | 1 | 33.33% |
| Total | 22 | 100.00% | 3 | 100.00% |
static inline int hsu_dma_probe(struct hsu_dma_chip *chip) { return -ENODEV; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Heikki Krogerus | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
static inline int hsu_dma_remove(struct hsu_dma_chip *chip) { return 0; }
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Heikki Krogerus | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
#endif /* CONFIG_HSU_DMA */
#endif /* _DMA_HSU_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andy Shevchenko | 88 | 45.36% | 2 | 50.00% |
| Heikki Krogerus | 58 | 29.90% | 1 | 25.00% |
| Chuah, Kim Tatt | 48 | 24.74% | 1 | 25.00% |
| Total | 194 | 100.00% | 4 | 100.00% |
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