linux/amba/pl08x.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
3  * linux/amba/pl08x.h - ARM PrimeCell DMA Controller driver
6  * Copyright (C) 2010 ST-Ericsson SA
32  * struct pl08x_channel_data - data structure to pass info between
33  * platform and PL08x driver regarding channel configuration
34  * @bus_id: name of this device channel, not just a device name since
35  * devices may have more than one channel e.g. "foo_tx"
37  * channel (for platforms supporting muxed signals). If you have
41  * disabling simultaneous use of the same channel for two devices.
43  * the channel. Set to the same as min_signal for
46  * mux in the signal to this channel
47  * @addr: source/target address in physical memory for this DMA channel,
51  * @single: the device connected to this channel will request single DMA
53  * @periph_buses: the device connected to this channel is accessible via
62 	bool single;  member
84  * struct pl08x_platform_data - the platform configuration for the PL08x
90  * @num_slave_channels: number of elements in the slave channel array
97  * of the channel the transfer can be denied by returning less than zero,