diff options
Diffstat (limited to 'drivers/staging/greybus/audio_apbridgea.c')
| -rw-r--r-- | drivers/staging/greybus/audio_apbridgea.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/staging/greybus/audio_apbridgea.c b/drivers/staging/greybus/audio_apbridgea.c index bed087d3894b..a6e089d2d1a8 100644 --- a/drivers/staging/greybus/audio_apbridgea.c +++ b/drivers/staging/greybus/audio_apbridgea.c @@ -82,6 +82,19 @@ int gb_audio_apbridgea_get_tx_delay(struct gb_connection *connection, } EXPORT_SYMBOL_GPL(gb_audio_apbridgea_get_tx_delay); +int gb_audio_apbridgea_prepare_tx(struct gb_connection *connection, + __u16 i2s_port) +{ + struct audio_apbridgea_prepare_tx_request req; + + req.hdr.type = AUDIO_APBRIDGEA_TYPE_PREPARE_TX; + req.hdr.i2s_port = cpu_to_le16(i2s_port); + + return gb_hd_output(connection->hd, &req, sizeof(req), + GB_APB_REQUEST_AUDIO_CONTROL, true); +} +EXPORT_SYMBOL_GPL(gb_audio_apbridgea_prepare_tx); + int gb_audio_apbridgea_start_tx(struct gb_connection *connection, __u16 i2s_port, __u64 timestamp) { @@ -108,6 +121,19 @@ int gb_audio_apbridgea_stop_tx(struct gb_connection *connection, __u16 i2s_port) } EXPORT_SYMBOL_GPL(gb_audio_apbridgea_stop_tx); +int gb_audio_apbridgea_shutdown_tx(struct gb_connection *connection, + __u16 i2s_port) +{ + struct audio_apbridgea_shutdown_tx_request req; + + req.hdr.type = AUDIO_APBRIDGEA_TYPE_SHUTDOWN_TX; + req.hdr.i2s_port = cpu_to_le16(i2s_port); + + return gb_hd_output(connection->hd, &req, sizeof(req), + GB_APB_REQUEST_AUDIO_CONTROL, true); +} +EXPORT_SYMBOL_GPL(gb_audio_apbridgea_shutdown_tx); + int gb_audio_apbridgea_set_rx_data_size(struct gb_connection *connection, __u16 i2s_port, __u16 size) { @@ -130,6 +156,19 @@ int gb_audio_apbridgea_get_rx_delay(struct gb_connection *connection, } EXPORT_SYMBOL_GPL(gb_audio_apbridgea_get_rx_delay); +int gb_audio_apbridgea_prepare_rx(struct gb_connection *connection, + __u16 i2s_port) +{ + struct audio_apbridgea_prepare_rx_request req; + + req.hdr.type = AUDIO_APBRIDGEA_TYPE_PREPARE_RX; + req.hdr.i2s_port = cpu_to_le16(i2s_port); + + return gb_hd_output(connection->hd, &req, sizeof(req), + GB_APB_REQUEST_AUDIO_CONTROL, true); +} +EXPORT_SYMBOL_GPL(gb_audio_apbridgea_prepare_rx); + int gb_audio_apbridgea_start_rx(struct gb_connection *connection, __u16 i2s_port) { @@ -155,6 +194,19 @@ int gb_audio_apbridgea_stop_rx(struct gb_connection *connection, __u16 i2s_port) } EXPORT_SYMBOL_GPL(gb_audio_apbridgea_stop_rx); +int gb_audio_apbridgea_shutdown_rx(struct gb_connection *connection, + __u16 i2s_port) +{ + struct audio_apbridgea_shutdown_rx_request req; + + req.hdr.type = AUDIO_APBRIDGEA_TYPE_SHUTDOWN_RX; + req.hdr.i2s_port = cpu_to_le16(i2s_port); + + return gb_hd_output(connection->hd, &req, sizeof(req), + GB_APB_REQUEST_AUDIO_CONTROL, true); +} +EXPORT_SYMBOL_GPL(gb_audio_apbridgea_shutdown_rx); + MODULE_LICENSE("GPL v2"); MODULE_ALIAS("greybus:audio-apbridgea"); MODULE_DESCRIPTION("Greybus Special APBridgeA Audio Protocol library"); |