mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 03:57:07 +07:00
f5e84eae79
For better maintenance split OF helpers to the separate module. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20190820131546.75744-11-andriy.shevchenko@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Driver for the Synopsys DesignWare DMA Controller
|
|
*
|
|
* Copyright (C) 2013 Intel Corporation
|
|
*/
|
|
|
|
#ifndef _DMA_DW_INTERNAL_H
|
|
#define _DMA_DW_INTERNAL_H
|
|
|
|
#include <linux/dma/dw.h>
|
|
|
|
#include "regs.h"
|
|
|
|
int do_dma_probe(struct dw_dma_chip *chip);
|
|
int do_dma_remove(struct dw_dma_chip *chip);
|
|
|
|
void do_dw_dma_on(struct dw_dma *dw);
|
|
void do_dw_dma_off(struct dw_dma *dw);
|
|
|
|
int do_dw_dma_disable(struct dw_dma_chip *chip);
|
|
int do_dw_dma_enable(struct dw_dma_chip *chip);
|
|
|
|
extern bool dw_dma_filter(struct dma_chan *chan, void *param);
|
|
|
|
#ifdef CONFIG_ACPI
|
|
void dw_dma_acpi_controller_register(struct dw_dma *dw);
|
|
void dw_dma_acpi_controller_free(struct dw_dma *dw);
|
|
#else /* !CONFIG_ACPI */
|
|
static inline void dw_dma_acpi_controller_register(struct dw_dma *dw) {}
|
|
static inline void dw_dma_acpi_controller_free(struct dw_dma *dw) {}
|
|
#endif /* !CONFIG_ACPI */
|
|
|
|
struct platform_device;
|
|
|
|
#ifdef CONFIG_OF
|
|
struct dw_dma_platform_data *dw_dma_parse_dt(struct platform_device *pdev);
|
|
void dw_dma_of_controller_register(struct dw_dma *dw);
|
|
void dw_dma_of_controller_free(struct dw_dma *dw);
|
|
#else
|
|
static inline struct dw_dma_platform_data *dw_dma_parse_dt(struct platform_device *pdev)
|
|
{
|
|
return NULL;
|
|
}
|
|
static inline void dw_dma_of_controller_register(struct dw_dma *dw) {}
|
|
static inline void dw_dma_of_controller_free(struct dw_dma *dw) {}
|
|
#endif
|
|
|
|
struct dw_dma_chip_pdata {
|
|
const struct dw_dma_platform_data *pdata;
|
|
int (*probe)(struct dw_dma_chip *chip);
|
|
int (*remove)(struct dw_dma_chip *chip);
|
|
struct dw_dma_chip *chip;
|
|
};
|
|
|
|
static __maybe_unused const struct dw_dma_chip_pdata dw_dma_chip_pdata = {
|
|
.probe = dw_dma_probe,
|
|
.remove = dw_dma_remove,
|
|
};
|
|
|
|
static const struct dw_dma_platform_data idma32_pdata = {
|
|
.nr_channels = 8,
|
|
.chan_allocation_order = CHAN_ALLOCATION_ASCENDING,
|
|
.chan_priority = CHAN_PRIORITY_ASCENDING,
|
|
.block_size = 131071,
|
|
.nr_masters = 1,
|
|
.data_width = {4},
|
|
.multi_block = {1, 1, 1, 1, 1, 1, 1, 1},
|
|
};
|
|
|
|
static __maybe_unused const struct dw_dma_chip_pdata idma32_chip_pdata = {
|
|
.pdata = &idma32_pdata,
|
|
.probe = idma32_dma_probe,
|
|
.remove = idma32_dma_remove,
|
|
};
|
|
|
|
#endif /* _DMA_DW_INTERNAL_H */
|