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soundwire: intel: Add audio DAI ops

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Add DAI registration and DAI ops for the Intel driver along with
callback for topology configuration.

Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Signed-off-by: Shreyas NC <shreyas.nc@intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Vinod Koul
2018-04-26 18:39:05 +05:30
parent 37a2d22b40
commit c46302ec55
6 changed files with 383 additions and 1 deletions
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14
include/linux/soundwire/sdw_intel.h
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@@ -4,18 +4,32 @@
#ifndef __SDW_INTEL_H
#define __SDW_INTEL_H
/**
* struct sdw_intel_ops: Intel audio driver callback ops
*
* @config_stream: configure the stream with the hw_params
*/
struct sdw_intel_ops {
int (*config_stream)(void *arg, void *substream,
void *dai, void *hw_params, int stream_num);
};
/**
* struct sdw_intel_res - Soundwire Intel resource structure
* @mmio_base: mmio base of SoundWire registers
* @irq: interrupt number
* @handle: ACPI parent handle
* @parent: parent device
* @ops: callback ops
* @arg: callback arg
*/
struct sdw_intel_res {
void __iomem *mmio_base;
int irq;
acpi_handle handle;
struct device *parent;
const struct sdw_intel_ops *ops;
void *arg;
};
void *sdw_intel_init(acpi_handle *parent_handle, struct sdw_intel_res *res);