| /* Copyright 2016 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /** |
| * Select DMA stream-channel mapping |
| * |
| * This selects which stream (peripheral) to be used on a specific channel. |
| * Some STM32 chips simply logically OR requests, thus do not require this |
| * selection. |
| * |
| * @param channel: (Global) channel # base 0 (Note some STM32s use base 1) |
| * @param peripheral: Refer to the TRM for 'peripheral request signals' |
| */ |
| void dma_select_channel(enum dma_channel channel, unsigned char stream); |
