include/linux/slimbus.h

1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2011-2017, The Linux Foundation
16  * struct slim_eaddr - Enumeration address for a SLIMbus device
30  * enum slim_device_status - slim device status
44  * struct slim_device - Slim device handle.
49  * @laddr: 1-byte Logical address of this device.
52  * @stream_list_lock: lock to protect the stream list
56  * Pointer to this structure is used by client-driver as a handle.
72  * struct slim_driver - SLIMbus 'generic device' (slave) device driver
78  *	- The device reports present and gets a laddr assigned
79  *	- The device reports absent, or the bus goes down.
97  * struct slim_val_inf - Slimbus value or information element
102  *		per SLIMbus spec
120  * struct slim_stream_config - SLIMbus stream configuration
121  *	Configuring a stream is done at hw_params or prepare call
127  * @bps: bits per data sample
130  * @port_mask: port mask of ports to use for this stream
131  * @direction: direction of the stream, SNDRV_PCM_STREAM_PLAYBACK
140 	/* Max 32 ports per device */
154  * module_slim_driver() - Helper macro for registering a SLIMbus driver
167 	return dev_get_drvdata(&dev->dev);  in slim_get_devicedata()
172 	dev_set_drvdata(&dev->dev, data);  in slim_set_devicedata()
201 /* SLIMbus Stream apis */
205 int slim_stream_prepare(struct slim_stream_runtime *stream,
207 int slim_stream_enable(struct slim_stream_runtime *stream);
208 int slim_stream_disable(struct slim_stream_runtime *stream);
209 int slim_stream_unprepare(struct slim_stream_runtime *stream);
210 int slim_stream_free(struct slim_stream_runtime *stream);