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soundwire: cdns: Add stream routines

Forráskód böngészése 
Add support for Cadence stream initialization and implement
stream APIs.

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 18:38:53 +05:30
szülő 07abeff1ef
commit 5d6b3c8ba1
2 fájl változott, egészen pontosan 238 új sor hozzáadva és 0 régi sor törölve
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43
drivers/soundwire/cadence_master.h
Fájl megtekintése

@@ -1,5 +1,6 @@
// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
// Copyright(c) 2015-17 Intel Corporation.
#include <sound/soc.h>
#ifndef __SDW_CADENCE_H
#define __SDW_CADENCE_H
@@ -90,6 +91,26 @@ struct sdw_cdns_stream_config {
unsigned int pdm_out;
};
/**
* struct sdw_cdns_dma_data: Cadence DMA data
*
* @name: SoundWire stream name
* @nr_ports: Number of ports
* @port: Ports
* @bus: Bus handle
* @stream_type: Stream type
* @link_id: Master link id
*/
struct sdw_cdns_dma_data {
char *name;
struct sdw_stream_runtime *stream;
int nr_ports;
struct sdw_cdns_port **port;
struct sdw_bus *bus;
enum sdw_stream_type stream_type;
int link_id;
};
/**
* struct sdw_cdns - Cadence driver context
* @dev: Linux device
@@ -142,6 +163,25 @@ int sdw_cdns_pdi_init(struct sdw_cdns *cdns,
struct sdw_cdns_stream_config config);
int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns);
int sdw_cdns_get_stream(struct sdw_cdns *cdns,
struct sdw_cdns_streams *stream,
u32 ch, u32 dir);
int sdw_cdns_alloc_stream(struct sdw_cdns *cdns,
struct sdw_cdns_streams *stream,
struct sdw_cdns_port *port, u32 ch, u32 dir);
void sdw_cdns_config_stream(struct sdw_cdns *cdns, struct sdw_cdns_port *port,
u32 ch, u32 dir, struct sdw_cdns_pdi *pdi);
void sdw_cdns_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai);
int sdw_cdns_pcm_set_stream(struct snd_soc_dai *dai,
void *stream, int direction);
int sdw_cdns_pdm_set_stream(struct snd_soc_dai *dai,
void *stream, int direction);
enum sdw_command_response
cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num);
enum sdw_command_response
cdns_xfer_msg(struct sdw_bus *bus, struct sdw_msg *msg);
@@ -153,4 +193,7 @@ enum sdw_command_response
cdns_reset_page_addr(struct sdw_bus *bus, unsigned int dev_num);
int cdns_bus_conf(struct sdw_bus *bus, struct sdw_bus_params *params);
int cdns_set_sdw_stream(struct snd_soc_dai *dai,
void *stream, bool pcm, int direction);
#endif /* __SDW_CADENCE_H */