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Commit a45e739e authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "ASoC: lagoon: add support for CPS speaker protection"

parents fcd9a9af 123608cd

asoc/kona.c

+253 −0
Original line number Diff line number Diff line
@@ -88,6 +88,8 @@ 
#define WCN_CDC_SLIM_TX_CH_MAX 2

#define WCN_CDC_SLIM_TX_CH_MAX_LITO 3



#define SWR_MAX_SLAVE_DEVICES 6



enum {

	RX_PATH = 0,

	TX_PATH,
@@ -195,7 +197,10 @@ struct msm_asoc_mach_data { 
	struct device_node *fsa_handle;

	struct clk *lpass_audio_hw_vote;

	int core_audio_vote_count;

	u32 wsa_max_devs;

	u32 tdm_max_slots; /* Max TDM slots used */

	int (*get_wsa_dev_num)(struct snd_soc_component*);

	struct afe_cps_hw_intf_cfg cps_config;

};



struct tdm_port {
@@ -2691,6 +2696,12 @@ static int msm_get_port_id(int be_id) 
	case MSM_BACKEND_DAI_SENARY_MI2S_TX:

		afe_port_id = AFE_PORT_ID_SENARY_MI2S_TX;

		break;

	case MSM_BACKEND_DAI_WSA_CDC_DMA_RX_0:

		afe_port_id = AFE_PORT_ID_WSA_CODEC_DMA_RX_0;

		break;

	case MSM_BACKEND_DAI_WSA_CDC_DMA_TX_0:

		afe_port_id = AFE_PORT_ID_WSA_CODEC_DMA_TX_0;

		break;

	case MSM_BACKEND_DAI_VA_CDC_DMA_TX_0:

		afe_port_id = AFE_PORT_ID_VA_CODEC_DMA_TX_0;

		break;
@@ -4902,6 +4913,121 @@ static int msm_snd_cdc_dma_startup(struct snd_pcm_substream *substream) 
	return ret;

}



static void set_cps_config(struct snd_soc_pcm_runtime *rtd,

				u32 num_ch, u32 ch_mask)

{

	int i = 0;

	int val = 0;

	u8 dev_num = 0;

	int ch_configured = 0;

	int j = 0;

	int n = 0;

	char wsa_cdc_name[DEV_NAME_STR_LEN];

	struct snd_soc_component *component = NULL;

	struct snd_soc_dai_link *dai_link = rtd->dai_link;

        struct msm_asoc_mach_data *pdata =

			snd_soc_card_get_drvdata(rtd->card);



	if (!pdata) {

		pr_err("%s: pdata is NULL\n", __func__);

		return;

	}



	if (!num_ch) {

		pr_err("%s: channel count is 0\n", __func__);

		return;

	}



	if (!pdata->get_wsa_dev_num) {

		pr_err("%s: get_wsa_dev_num is NULL\n", __func__);

		return;

	}



	if (!pdata->cps_config.spkr_dep_cfg) {

		pr_debug("%s: spkr_dep_cfg is NULL\n", __func__);

		return;

	}



	if (!pdata->cps_config.hw_reg_cfg.lpass_wr_cmd_reg_phy_addr ||

	   !pdata->cps_config.hw_reg_cfg.lpass_rd_cmd_reg_phy_addr ||

	   !pdata->cps_config.hw_reg_cfg.lpass_rd_fifo_reg_phy_addr) {

		pr_err("%s: cps static configuration is not set\n", __func__);

		return;

	}



	pdata->cps_config.lpass_hw_intf_cfg_mode = 1;



	while (ch_configured < num_ch) {

		if (!(ch_mask & (1 << i))) {

			i++;

			continue;

		}



		snprintf(wsa_cdc_name, sizeof(wsa_cdc_name), "wsa-codec.%d",

			 i+1);



		/* Use n to make sure both WSA components are retrieved */

		/* When first WSA component is retrieved adjust looping

		   variable such that the next time only the remaining part

		   of the array is traversed */

		for (j = n; j < rtd->card->num_aux_devs; j++)

		{

			if (msm_codec_conf[j].name_prefix != NULL ) {

				if (strstr(msm_codec_conf[j].name_prefix,

					"Left")) {

					component = soc_find_component_locked(

						msm_aux_dev[j].codec_of_node,

						NULL);

					n = j+1;

					break;

				}

				else if (strstr(msm_codec_conf[j].name_prefix,

					"Right")) {

					component = soc_find_component_locked(

						msm_aux_dev[j].codec_of_node,

						NULL);

					n = j+1;

					break;

				}

			}

		}



		if (!component) {

			pr_err("%s: %s component is NULL\n", __func__,

				wsa_cdc_name);

			return;

		}



		dev_num = pdata->get_wsa_dev_num(component);

		if (dev_num < 0 || dev_num > SWR_MAX_SLAVE_DEVICES) {

			pr_err("%s: invalid slave dev num : %d\n", __func__,

				dev_num);

			return;

		}



		/* Clear stale dev num info */

		pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr &= 0xFFFF;

		pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr &= 0xFFFF;



		val = 0;



		/* bits 20:23 carry swr device number */

		val |= dev_num << 20;



		/* bits 24:27 carry read length in bytes */

		val |= 1 << 24;



		/* Update dev num in packed reg addr */

		pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr |= val;

		pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr |= val;

		i++;

		ch_configured++;

	}



	afe_set_cps_config(msm_get_port_id(dai_link->id),

					&pdata->cps_config, ch_mask);

}



static int msm_snd_cdc_dma_hw_params(struct snd_pcm_substream *substream,

			     struct snd_pcm_hw_params *params)

{
@@ -4949,6 +5075,11 @@ static int msm_snd_cdc_dma_hw_params(struct snd_pcm_substream *substream, 
				goto err;

			}



			if (dai_link->id == MSM_BACKEND_DAI_WSA_CDC_DMA_RX_0 ||

			    dai_link->id == MSM_BACKEND_DAI_WSA_CDC_DMA_RX_1) {

				set_cps_config(rtd, user_set_rx_ch,

						rx_ch_cdc_dma);

			}

		}

		break;

		}
@@ -8236,6 +8367,115 @@ static int msm_audio_ssr_register(struct device *dev) 
	return ret;

}



static void parse_cps_configuration(struct platform_device *pdev,

			struct msm_asoc_mach_data *pdata)

{

	int ret = 0;

	int i = 0, j = 0;

	u32 dt_values[MAX_CPS_LEVELS];



	if (!pdev || !pdata || !pdata->wsa_max_devs)

		return;



	pdata->get_wsa_dev_num = wsa883x_codec_get_dev_num;

	pdata->cps_config.hw_reg_cfg.num_spkr = pdata->wsa_max_devs;



	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_reg_phy_addr", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]));

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_reg_phy_addr");

	} else {

		pdata->cps_config.hw_reg_cfg.lpass_wr_cmd_reg_phy_addr =

								dt_values[0];

		pdata->cps_config.hw_reg_cfg.lpass_rd_cmd_reg_phy_addr =

								dt_values[1];

		pdata->cps_config.hw_reg_cfg.lpass_rd_fifo_reg_phy_addr =

								dt_values[2];

	}



	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_threshold_levels", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]) - 1);

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_threshold_levels");

	} else {

		pdata->cps_config.hw_reg_cfg.vbatt_lower2_threshold =

								dt_values[0];

		pdata->cps_config.hw_reg_cfg.vbatt_lower1_threshold =

								dt_values[1];

	}



	pdata->cps_config.spkr_dep_cfg = devm_kzalloc(&pdev->dev,

				    sizeof(struct lpass_swr_spkr_dep_cfg_t)

				    * pdata->wsa_max_devs, GFP_KERNEL);

	if (!pdata->cps_config.spkr_dep_cfg) {

		dev_err(&pdev->dev, "%s: spkr dep cfg alloc failed\n", __func__);

		return;

	}

	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_wsa_vbatt_temp_reg_addr", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]) - 1);

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_wsa_vbatt_temp_reg_addr");

	} else {

		for (i = 0; i < pdata->wsa_max_devs; i++) {

			pdata->cps_config.spkr_dep_cfg[i].vbatt_pkd_reg_addr =

								dt_values[0];

			pdata->cps_config.spkr_dep_cfg[i].temp_pkd_reg_addr =

								dt_values[1];

		}

	}



	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_normal_values", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]));

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_normal_values");

	} else {

		for (i = 0; i < pdata->wsa_max_devs; i++) {

			for (j = 0; j < MAX_CPS_LEVELS; j++) {

				pdata->cps_config.spkr_dep_cfg[i].

					value_normal_thrsd[j] = dt_values[j];

			}

		}

	}



	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_lower1_values", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]));

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_lower1_values");

	} else {

		for (i = 0; i < pdata->wsa_max_devs; i++) {

			for (j = 0; j < MAX_CPS_LEVELS; j++) {

				pdata->cps_config.spkr_dep_cfg[i].

					value_low1_thrsd[j] = dt_values[j];

			}

		}

	}



	ret = of_property_read_u32_array(pdev->dev.of_node,

				"qcom,cps_lower2_values", dt_values,

				sizeof(dt_values)/sizeof(dt_values[0]));

	if (ret) {

		dev_dbg(&pdev->dev, "%s: could not find %s entry in dt\n",

			__func__, "qcom,cps_lower2_values");

	} else {

		for (i = 0; i < pdata->wsa_max_devs; i++) {

			for (j = 0; j < MAX_CPS_LEVELS; j++) {

				pdata->cps_config.spkr_dep_cfg[i].

					value_low2_thrsd[j] = dt_values[j];

			}

		}

	}

}



static int msm_asoc_machine_probe(struct platform_device *pdev)

{

	struct snd_soc_card *card = NULL;
@@ -8307,6 +8547,15 @@ static int msm_asoc_machine_probe(struct platform_device *pdev) 
	dev_info(&pdev->dev, "%s: Sound card %s registered\n",

		 __func__, card->name);



	/* Get maximum WSA device count for this platform */

	ret = of_property_read_u32(pdev->dev.of_node,

				   "qcom,wsa-max-devs", &pdata->wsa_max_devs);

	if (ret) {

		dev_err(&pdev->dev, "%s: No DT match for wsa max devs\n",

				__func__);

		pdata->wsa_max_devs = 0;

	}



	ret = of_property_read_u32(pdev->dev.of_node, "qcom,tdm-max-slots",

				   &pdata->tdm_max_slots);

	if (ret) {
@@ -8419,6 +8668,10 @@ static int msm_asoc_machine_probe(struct platform_device *pdev) 
		atomic_set(&(pdata->mi2s_gpio_ref_count[index]), 0);

	}



	/* parse cps configuration from dt */

	if (of_property_read_bool(pdev->dev.of_node, "qcom,cps_reg_phy_addr"))

		parse_cps_configuration(pdev, pdata);



	/* Register LPASS audio hw vote */

	lpass_audio_hw_vote = devm_clk_get(&pdev->dev, "lpass_audio_hw_vote");

	if (IS_ERR(lpass_audio_hw_vote)) {