From 094c4302c11889683af54525221ca68f64c1a358 Mon Sep 17 00:00:00 2001 From: Vaibhav Agarwal Date: Tue, 29 Mar 2016 16:32:37 +0530 Subject: [PATCH] greybus: audio: Add I2S_RX path related settings Capture path related settings during startup, perpare & hwparams were earlier missing. Signed-off-by: Vaibhav Agarwal Reviewed-by: Mark Greer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/audio_codec.c | 144 ++++++++++++++++++++------ 1 file changed, 114 insertions(+), 30 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index 66a954806cf5..2c6142d9817a 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -72,16 +72,27 @@ static int gbaudio_module_disable(struct gbaudio_codec_info *codec, if (!data) { dev_err(codec->dev, "%s:%s DATA connection missing\n", dai_name, module->name); - mutex_unlock(&module->lock); - mutex_unlock(&codec->lock); - return -ENODEV; + ret = -ENODEV; + goto func_exit; } if (codec_state > GBAUDIO_CODEC_HWPARAMS) { data_cport = data->connection->intf_cport_id; - ret = gb_audio_gb_deactivate_tx(module->mgmt_connection, + switch(dir) { + case SNDRV_PCM_STREAM_CAPTURE: + ret = gb_audio_gb_deactivate_rx( + module->mgmt_connection, + data_cport); + break; + case SNDRV_PCM_STREAM_PLAYBACK: + ret = gb_audio_gb_deactivate_tx( + module->mgmt_connection, data_cport); + break; + default: + ret = -EINVAL; + } if (ret) { - dev_err(codec->dev, "deactivate_tx for %s failed:%d\n", + dev_err(codec->dev, "deactivate for %s failed:%d\n", module->name, ret); goto func_exit; } @@ -90,9 +101,22 @@ static int gbaudio_module_disable(struct gbaudio_codec_info *codec, } if (codec_state > GBAUDIO_CODEC_SHUTDOWN) { cportid = data->connection->hd_cport_id; - ret = gb_audio_apbridgea_unregister_cport(data->connection, + switch(dir) { + case SNDRV_PCM_STREAM_CAPTURE: + ret = gb_audio_apbridgea_unregister_cport( + data->connection, + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_RX); + break; + case SNDRV_PCM_STREAM_PLAYBACK: + ret = gb_audio_apbridgea_unregister_cport( + data->connection, i2s_port, cportid, AUDIO_APBRIDGEA_DIRECTION_TX); + break; + default: + ret = -EINVAL; + } if (ret) { dev_err(codec->dev, "unregister_cport for %s failed:%d\n", module->name, ret); @@ -148,18 +172,30 @@ static int gbaudio_module_enable(struct gbaudio_codec_info *codec, if (!data) { dev_err(codec->dev, "%s:%s DATA connection missing\n", dai_name, module->name); - mutex_unlock(&module->lock); - mutex_unlock(&codec->lock); - return -ENODEV; + ret = -ENODEV; + goto func_exit; } /* register cport */ if (module_state < codec_state) { i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; - ret = gb_audio_apbridgea_register_cport(data->connection, + switch(dir) { + case SNDRV_PCM_STREAM_CAPTURE: + ret = gb_audio_apbridgea_register_cport( + data->connection, + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_RX); + break; + case SNDRV_PCM_STREAM_PLAYBACK: + ret = gb_audio_apbridgea_register_cport( + data->connection, i2s_port, cportid, AUDIO_APBRIDGEA_DIRECTION_TX); + break; + default: + ret = -EINVAL; + } if (ret) { dev_err(codec->dev, "reg_cport for %s\n", module->name); goto func_exit; @@ -186,18 +222,46 @@ static int gbaudio_module_enable(struct gbaudio_codec_info *codec, /* prepare */ if (module_state < codec_state) { data_cport = data->connection->intf_cport_id; - ret = gb_audio_gb_set_tx_data_size(module->mgmt_connection, - data_cport, 192); - if (ret) { - dev_err(codec->dev, "set_tx_data_size for %s\n", - module->name); - goto func_exit; - } - ret = gb_audio_gb_activate_tx(module->mgmt_connection, - data_cport); - if (ret) { - dev_err(codec->dev, "activate_tx for %s\n", - module->name); + switch(dir) { + case SNDRV_PCM_STREAM_CAPTURE: + ret = gb_audio_gb_set_rx_data_size( + module->mgmt_connection, + data_cport, 192); + if (ret) { + dev_err(codec->dev, + "set_rx_data_size for %s\n", + module->name); + goto func_exit; + } + ret = gb_audio_gb_activate_rx(module->mgmt_connection, + data_cport); + if (ret) { + dev_err(codec->dev, "activate_rx for %s\n", + module->name); + goto func_exit; + } + break; + case SNDRV_PCM_STREAM_PLAYBACK: + ret = gb_audio_gb_set_tx_data_size( + module->mgmt_connection, + data_cport, 192); + if (ret) { + dev_err(codec->dev, + "set_tx_data_size for %s\n", + module->name); + goto func_exit; + } + ret = gb_audio_gb_activate_tx(module->mgmt_connection, + data_cport); + if (ret) { + dev_err(codec->dev, "activate_tx for %s\n", + module->name); + goto func_exit; + } + break; + default: + dev_err(codec->dev, "Inavlid stream direction\n"); + ret = -EINVAL; goto func_exit; } module_state = GBAUDIO_CODEC_PREPARE; @@ -217,7 +281,7 @@ int gbaudio_module_update(struct gbaudio_codec_info *codec, struct gbaudio_module_info *module, int enable) { int stream, ret = 0; - int pb_state; + int pb_state, cap_state; dev_dbg(module->dev, "Module update %s sequence\n", enable ? "Enable":"Disable"); @@ -239,12 +303,16 @@ int gbaudio_module_update(struct gbaudio_codec_info *codec, SNDRV_PCM_STREAM_PLAYBACK); } - /* TBD - * check if capture active - * cap_state = codec->stream[SNDRV_PCM_STREAM_CAPTURE].state; - * if ((stream & GB_CAPTURE) && (cap_state > GBAUDIO_CODEC_SHUTDOWN)) - * - */ + /* check if capture active */ + cap_state = codec->stream[SNDRV_PCM_STREAM_CAPTURE].state; + if ((stream & GB_CAPTURE) && (cap_state > GBAUDIO_CODEC_SHUTDOWN)) { + if (enable) + ret = gbaudio_module_enable(codec, module, + SNDRV_PCM_STREAM_CAPTURE); + else + ret = gbaudio_module_disable(codec, module, + SNDRV_PCM_STREAM_CAPTURE); + } return ret; } @@ -291,9 +359,25 @@ static int gbcodec_startup(struct snd_pcm_substream *substream, /* register cport */ i2s_port = 0; /* fixed for now */ cportid = data->connection->hd_cport_id; - ret = gb_audio_apbridgea_register_cport(data->connection, + switch (substream->stream) { + case SNDRV_PCM_STREAM_CAPTURE: + ret = gb_audio_apbridgea_register_cport( + data->connection, + i2s_port, cportid, + AUDIO_APBRIDGEA_DIRECTION_RX); + break; + case SNDRV_PCM_STREAM_PLAYBACK: + ret = gb_audio_apbridgea_register_cport( + data->connection, i2s_port, cportid, AUDIO_APBRIDGEA_DIRECTION_TX); + break; + default: + dev_err(dai->dev, "Inavlid stream\n"); + mutex_unlock(&module->lock); + mutex_unlock(&codec->lock); + return -EINVAL; + } dev_dbg(dai->dev, "Register %s:%d DAI, ret:%d\n", dai->name, cportid, ret); state = GBAUDIO_CODEC_STARTUP; -- 2.20.1