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| author | Vinod Koul <vkoul@kernel.org> | 2018-04-26 16:08:53 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2018-05-11 19:18:06 +0300 |
| commit | 5d6b3c8ba12a20519130c6b49ac40790426efbfd (patch) | |
| tree | ddd1227975bfa060e5f986b6886c04390c491b4e /drivers/soundwire/cadence_master.h | |
| parent | 07abeff1ef1ae88773de534e2eb3e49ca3b90c7f (diff) | |
| download | linux-5d6b3c8ba12a20519130c6b49ac40790426efbfd.tar.xz | |
soundwire: cdns: Add stream routines
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>
Diffstat (limited to 'drivers/soundwire/cadence_master.h')
| -rw-r--r-- | drivers/soundwire/cadence_master.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index 98a17f57918f..eb902b19c5a4 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -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 @@ -91,6 +92,26 @@ struct sdw_cdns_stream_config { }; /** + * 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 * @bus: Bus handle @@ -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 */ |