diff options
Diffstat (limited to 'chip/mchp/dma_chip.h')
| -rw-r--r-- | chip/mchp/dma_chip.h | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/chip/mchp/dma_chip.h b/chip/mchp/dma_chip.h index 42bcb095f6..6f569a1dc7 100644 --- a/chip/mchp/dma_chip.h +++ b/chip/mchp/dma_chip.h @@ -1,4 +1,4 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. +/* Copyright 2017 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * @@ -16,24 +16,22 @@ #include <stdint.h> #include <stddef.h> - #ifdef __cplusplus extern "C" { #endif /* Place any C interfaces here */ -void dma_xfr_start_rx(const struct dma_option *option, - uint32_t dma_xfr_ulen, - uint32_t count, void *memory); +void dma_xfr_start_rx(const struct dma_option *option, uint32_t dma_xfr_ulen, + uint32_t count, void *memory); void dma_xfr_prepare_tx(const struct dma_option *option, uint32_t count, - const void *memory, uint32_t dma_xfr_units); + const void *memory, uint32_t dma_xfr_units); void dma_clr_chan(enum dma_channel ch); -void dma_cfg_buffers(enum dma_channel ch, const void *membuf, - uint32_t nb, const void *pdev); +void dma_cfg_buffers(enum dma_channel ch, const void *membuf, uint32_t nb, + const void *pdev); /* * ch = zero based DMA channel number @@ -44,13 +42,13 @@ void dma_cfg_buffers(enum dma_channel ch, const void *membuf, * b[2] = 1 increment device address * b[3] = disable HW flow control */ -#define DMA_FLAG_D2M 0 -#define DMA_FLAG_M2D 1 -#define DMA_FLAG_INCR_MEM 2 -#define DMA_FLAG_INCR_DEV 4 -#define DMA_FLAG_SW_FLOW 8 -void dma_cfg_xfr(enum dma_channel ch, uint8_t unit_len, - uint8_t dev_id, uint8_t flags); +#define DMA_FLAG_D2M 0 +#define DMA_FLAG_M2D 1 +#define DMA_FLAG_INCR_MEM 2 +#define DMA_FLAG_INCR_DEV 4 +#define DMA_FLAG_SW_FLOW 8 +void dma_cfg_xfr(enum dma_channel ch, uint8_t unit_len, uint8_t dev_id, + uint8_t flags); void dma_run(enum dma_channel ch); |