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Commit f94f68d8 authored by Ashish Jain's avatar Ashish Jain
Browse files

ASoC: bg: pass source info to BG 



BG expects source to be passed as a part of
start and stop command, this is to infom BG if
the captured data is to be consumed by
BG or passed to MSM.

Change-Id: Iea3166b714e5eb660d1c56905fb59aaff5a3cff8
Signed-off-by: default avatarAshish Jain <ashishj@codeaurora.org>
parent 204a4c25

sound/soc/codecs/bg_codec.c

+104 −23
Original line number Diff line number Diff line
@@ -34,8 +34,6 @@ 
#include "pktzr.h"





#define TASHA_RX_PORT_START_NUMBER  16



#define BG_RATES_MAX (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\

			    SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\

			    SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
@@ -81,6 +79,14 @@ struct bg_cdc_priv { 
	struct delayed_work bg_cdc_pktzr_init_work;

	unsigned long status_mask;

	struct bg_hw_params hw_params;

	int src[NUM_CODEC_DAIS];

};



struct codec_ssn_rt_setup_t {

	/* active session_id */

	uint32_t active_session;

	/* To indicate if playback/record happens from/to BG or MSM */

	uint32_t route_to_bg;

};



struct graphite_basic_rsp_result {
@@ -88,6 +94,69 @@ struct graphite_basic_rsp_result { 
	uint32_t status;

};



static int bg_get_src(struct snd_kcontrol *kcontrol,

			    struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct bg_cdc_priv *bg_cdc = snd_soc_codec_get_drvdata(codec);

	int dai_id = ((struct soc_multi_mixer_control *)

				kcontrol->private_value)->reg;



	if ((bg_cdc == NULL) || (dai_id >= NUM_CODEC_DAIS) ||

		(dai_id < 0)) {

		pr_err("%s invalid input\n", __func__);

		return -EINVAL;

	}



	ucontrol->value.integer.value[0] = bg_cdc->src[dai_id];

	dev_dbg(codec->dev, "%s: dai_id: %d src: %d\n", __func__,

			dai_id, bg_cdc->src[dai_id]);



	return 0;

}



static int bg_put_src(struct snd_kcontrol *kcontrol,

			    struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct bg_cdc_priv *bg_cdc = snd_soc_codec_get_drvdata(codec);

	int dai_id = ((struct soc_multi_mixer_control *)

				kcontrol->private_value)->reg;



	if ((bg_cdc == NULL) || (dai_id >= NUM_CODEC_DAIS) ||

		(dai_id < 0)) {

		pr_err("%s invalid input\n", __func__);

		return -EINVAL;

	}



	bg_cdc->src[dai_id] = ucontrol->value.integer.value[0];

	dev_dbg(codec->dev, "%s: dai_id: %d src: %d\n", __func__,

			dai_id, bg_cdc->src[dai_id]);



	return 0;

}





static const struct snd_kcontrol_new bg_snd_controls[] = {

	SOC_SINGLE_EXT("RX_0 SRC", BG_AIF1_PB, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("RX_1 SRC", BG_AIF2_PB, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("RX_2 SRC", BG_AIF3_PB, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("RX_3 SRC", BG_AIF4_PB, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("TX_0 DST", BG_AIF1_CAP, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("TX_1 DST", BG_AIF2_CAP, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("TX_2 DST", BG_AIF3_CAP, 0, 1, 0,

	bg_get_src, bg_put_src),

	SOC_SINGLE_EXT("TX_3 DST", BG_AIF4_CAP, 0, 1, 0,

	bg_get_src, bg_put_src),

};





static int bg_cdc_startup(struct snd_pcm_substream *substream,

		struct snd_soc_dai *dai)

{
@@ -147,11 +216,13 @@ static int bg_cdc_hw_params(struct snd_pcm_substream *substream, 
		bg_cdc->hw_params.active_session = 0x00020000;

		break;

	case BG_AIF3_PB:

		bg_cdc->hw_params.active_session = 0x0002;

		break;

	case BG_AIF3_CAP:

		bg_cdc->hw_params.active_session = 0x00010000;

		break;

	case BG_AIF4_PB:

		bg_cdc->hw_params.active_session = 0x0004;

		break;

	case BG_AIF4_CAP:

		bg_cdc->hw_params.active_session = 0x00020000;
@@ -184,7 +255,6 @@ static int bg_cdc_hw_params(struct snd_pcm_substream *substream, 
	ret = pktzr_cmd_set_params(&hw_params, sizeof(hw_params), &rsp);

	if (ret < 0) {

		pr_err("pktzr cmd set params failed\n");

		ret = 0;

		goto exit;

	}

exit:
@@ -198,7 +268,8 @@ static int bg_cdc_hw_free(struct snd_pcm_substream *substream, 
{

	struct pktzr_cmd_rsp rsp;

	int ret = 0;

	uint32_t active_session = 0;

	struct codec_ssn_rt_setup_t codec_start;

	struct bg_cdc_priv *bg_cdc = snd_soc_codec_get_drvdata(dai->codec);



	pr_debug("%s: dai_name = %s DAI-ID %x\n", __func__, dai->name, dai->id);
@@ -206,26 +277,28 @@ static int bg_cdc_hw_free(struct snd_pcm_substream *substream, 


	switch (dai->id) {

	case BG_AIF1_PB:

		active_session = 0x0001;

		codec_start.active_session = 0x0001;

		break;

	case BG_AIF1_CAP:

		active_session = 0x00010000;

		codec_start.active_session = 0x00010000;

		break;

	case BG_AIF2_PB:

		active_session = 0x0001;

		codec_start.active_session = 0x0001;

		break;

	case BG_AIF2_CAP:

		active_session = 0x00020000;

		codec_start.active_session = 0x00020000;

		break;

	case BG_AIF3_PB:

		codec_start.active_session = 0x0002;

		break;

	case BG_AIF3_CAP:

		active_session = 0x00010000;

		codec_start.active_session = 0x00010000;

		break;

	case BG_AIF4_PB:

		codec_start.active_session = 0x0004;

		break;

	case BG_AIF4_CAP:

		active_session = 0x00020000;

		codec_start.active_session = 0x00020000;

		break;

	default:

		pr_err("%s:Invalid dai id %d", __func__, dai->id);
@@ -233,16 +306,18 @@ static int bg_cdc_hw_free(struct snd_pcm_substream *substream, 
		goto exit;

	}



	codec_start.route_to_bg = bg_cdc->src[dai->id];

	pr_debug("%s active_session %x route_to_bg %d\n",

		__func__, codec_start.active_session, codec_start.route_to_bg);

	rsp.buf_size = sizeof(struct graphite_basic_rsp_result);

	rsp.buf = kzalloc(rsp.buf_size, GFP_KERNEL);

	if (!rsp.buf)

		return -ENOMEM;

	/* Send command to BG to start session */

	ret = pktzr_cmd_stop(&active_session,

			sizeof(active_session), &rsp);

	/* Send command to BG to stop session */

	ret = pktzr_cmd_stop(&codec_start,

			sizeof(codec_start), &rsp);

	if (ret < 0) {

		pr_err("pktzr cmd close failed\n");

		ret = 0;

		goto exit;

	}

exit:
@@ -256,7 +331,7 @@ static int bg_cdc_prepare(struct snd_pcm_substream *substream, 
{

	struct pktzr_cmd_rsp rsp;

	int ret = 0;

	uint32_t active_session = 0;

	struct codec_ssn_rt_setup_t codec_start;

	struct bg_cdc_priv *bg_cdc = snd_soc_codec_get_drvdata(dai->codec);



	rsp.buf = NULL;
@@ -279,26 +354,28 @@ static int bg_cdc_prepare(struct snd_pcm_substream *substream, 


	switch (dai->id) {

	case BG_AIF1_PB:

		active_session = 0x0001;

		codec_start.active_session = 0x0001;

		break;

	case BG_AIF1_CAP:

		active_session = 0x00010000;

		codec_start.active_session = 0x00010000;

		break;

	case BG_AIF2_PB:

		active_session = 0x0001;

		codec_start.active_session = 0x0001;

		break;

	case BG_AIF2_CAP:

		active_session = 0x00020000;

		codec_start.active_session = 0x00020000;

		break;

	case BG_AIF3_PB:

		codec_start.active_session = 0x0002;

		break;

	case BG_AIF3_CAP:

		active_session = 0x00010000;

		codec_start.active_session = 0x00010000;

		break;

	case BG_AIF4_PB:

		codec_start.active_session = 0x0004;

		break;

	case BG_AIF4_CAP:

		active_session = 0x00020000;

		codec_start.active_session = 0x00020000;

		break;

	default:

		pr_err("%s:Invalid dai id %d", __func__, dai->id);
@@ -306,15 +383,17 @@ static int bg_cdc_prepare(struct snd_pcm_substream *substream, 
		goto exit;

	}



	codec_start.route_to_bg = bg_cdc->src[dai->id];

	pr_debug("%s active_session %x route_to_bg %d\n",

		__func__, codec_start.active_session, codec_start.route_to_bg);

	rsp.buf_size = sizeof(struct graphite_basic_rsp_result);

	rsp.buf = kzalloc(rsp.buf_size, GFP_KERNEL);

	if (!rsp.buf)

		return -ENOMEM;

	/* Send command to BG to start session */

	ret = pktzr_cmd_start(&active_session, sizeof(active_session), &rsp);

	ret = pktzr_cmd_start(&codec_start, sizeof(codec_start), &rsp);

	if (ret < 0) {

		pr_err("pktzr cmd start failed\n");

		ret = 0;

		goto exit;

	}

exit:
@@ -538,6 +617,8 @@ static int bg_cdc_codec_remove(struct snd_soc_codec *codec) 
static struct snd_soc_codec_driver soc_codec_dev_bg_cdc = {

	.probe = bg_cdc_codec_probe,

	.remove = bg_cdc_codec_remove,

	.controls = bg_snd_controls,

	.num_controls = ARRAY_SIZE(bg_snd_controls),

};



static void bg_cdc_add_child_devices(struct work_struct *work)