ASoC: msm: Enable WCD interrupt config via LPI TLMM

Configure LPI interrupt registers inorder to setup
WCD interrupt triggered via LPI TLMM as direct apps interrupt.

Change-Id: Id2b450eb930dd0d3d4e69981c663a128e926b14f
Signed-off-by: Soumya Managoli <smanag@codeaurora.org>

4 files changed, 95 insertions, 5 deletions

diff --git a/asoc/sdm660-common.c b/asoc/sdm660-common.c
index 1fcb5b16..b0edcea4 100644
--- a/asoc/sdm660-common.c
+++ b/asoc/sdm660-common.c
@@ -5289,7 +5289,6 @@ static int msm_init_wsa_dev(struct platform_device *pdev,
 	}
 	card->codec_conf = msm_codec_conf;
 	card->aux_dev = msm_aux_dev;
-
 	return 0;
 
 err_dt_prop:
@@ -5465,7 +5464,6 @@ static int msm_asoc_machine_probe(struct platform_device *pdev)
 	ret = snd_soc_of_parse_audio_routing(card, "qcom,audio-routing");
 	if (ret)
 		goto err;
-
 	ret = msm_populate_dai_link_component_of_node(pdata, card);
 	if (ret) {
 		ret = -EPROBE_DEFER;
@@ -5516,6 +5514,8 @@ err:
 		gpio_free(pdata->hph_en0_gpio);
 		pdata->hph_en0_gpio = 0;
 	}
+	if (pdata->snd_card_val != INT_SND_CARD)
+		msm_ext_cdc_deinit(pdata);
 	devm_kfree(&pdev->dev, pdata);
 	return ret;
 }
@@ -5541,8 +5541,10 @@ static int msm_asoc_machine_remove(struct platform_device *pdev)
 		pdata->hph_en0_gpio = 0;
 	}
 
-	if (pdata->snd_card_val != INT_SND_CARD)
+	if (pdata->snd_card_val != INT_SND_CARD) {
 		audio_notifier_deregister("sdm660");
+		msm_ext_cdc_deinit(pdata);
+	}
 
 	snd_soc_unregister_card(card);
 	return 0;
diff --git a/asoc/sdm660-common.h b/asoc/sdm660-common.h
index 09d8ff86..115a6204 100644
--- a/asoc/sdm660-common.h
+++ b/asoc/sdm660-common.h
@@ -97,6 +97,14 @@ enum {
 	EXT_SND_CARD_TAVIL,
 };
 
+struct msm_snd_interrupt {
+	void __iomem *mpm_wakeup;
+	void __iomem *intr1_cfg_apps;
+	void __iomem *lpi_gpio_intr_cfg;
+	void __iomem *lpi_gpio_cfg;
+	void __iomem *lpi_gpio_inout;
+};
+
 struct msm_asoc_mach_data {
 	int us_euro_gpio; /* used by gpio driver API */
 	int usbc_en2_gpio; /* used by gpio driver API */
@@ -126,6 +134,7 @@ struct msm_asoc_mach_data {
 	struct mutex cdc_int_mclk0_mutex;
 	struct delayed_work disable_int_mclk0_work;
 	struct afe_clk_set digital_cdc_core_clk;
+	struct msm_snd_interrupt msm_snd_intr_lpi;
 };
 
 int msm_common_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
diff --git a/asoc/sdm660-external.c b/asoc/sdm660-external.c
index 8ff98edd..2620e5fc 100644
--- a/asoc/sdm660-external.c
+++ b/asoc/sdm660-external.c
@@ -25,6 +25,7 @@
 #include "codecs/wcd9335.h"
 #include "codecs/wcd934x/wcd934x.h"
 #include "codecs/wcd934x/wcd934x-mbhc.h"
+#include <soc/qcom/socinfo.h>
 
 #define SDM660_SPK_ON     1
 #define SDM660_SPK_OFF    0
@@ -34,9 +35,26 @@
 #define CODEC_EXT_CLK_RATE          9600000
 #define ADSP_STATE_READY_TIMEOUT_MS 3000
 
+#define TLMM_CENTER_MPM_WAKEUP_INT_EN_0 0x03596000
+#define LPI_GPIO_22_WAKEUP_VAL 0x00000002
+
+#define TLMM_LPI_DIR_CONN_INTR1_CFG_APPS 0x0359D004
+#define LPI_GPIO_22_INTR1_CFG_VAL 0x01
+#define LPI_GPIO_22_INTR1_CFG_MASK 0x03
+
+#define TLMM_LPI_GPIO_INTR_CFG1  0x0359B004
+#define LPI_GPIO_INTR_CFG1_VAL 0x00000113
+
+#define TLMM_LPI_GPIO22_CFG  0x15078040
+#define LPI_GPIO22_CFG_VAL 0x0000009
+
+#define TLMM_LPI_GPIO22_INOUT  0x179D1318
+#define LPI_GPIO22_INOUT_VAL 0x0020000
+
+
 #define WSA8810_NAME_1 "wsa881x.20170211"
 #define WSA8810_NAME_2 "wsa881x.20170212"
-
+#define SDM660_SOC_MSM_ID 0x13D
 static int msm_ext_spk_control = 1;
 static struct wcd_mbhc_config *wcd_mbhc_cfg_ptr;
 
@@ -1215,6 +1233,29 @@ static void msm_afe_clear_config(void)
 	afe_clear_config(AFE_SLIMBUS_SLAVE_CONFIG);
 }
 
+static void msm_snd_interrupt_config(struct msm_asoc_mach_data *pdata)
+{
+	int val;
+
+	val = ioread32(pdata->msm_snd_intr_lpi.mpm_wakeup);
+	val |= LPI_GPIO_22_WAKEUP_VAL;
+	iowrite32(val, pdata->msm_snd_intr_lpi.mpm_wakeup);
+
+	val = ioread32(pdata->msm_snd_intr_lpi.intr1_cfg_apps);
+	val &= ~(LPI_GPIO_22_INTR1_CFG_MASK);
+	val |= LPI_GPIO_22_INTR1_CFG_VAL;
+	iowrite32(val, pdata->msm_snd_intr_lpi.intr1_cfg_apps);
+
+	iowrite32(LPI_GPIO_INTR_CFG1_VAL,
+		pdata->msm_snd_intr_lpi.lpi_gpio_intr_cfg);
+	iowrite32(LPI_GPIO22_CFG_VAL,
+		pdata->msm_snd_intr_lpi.lpi_gpio_cfg);
+
+	val = ioread32(pdata->msm_snd_intr_lpi.lpi_gpio_inout);
+	val |= LPI_GPIO22_INOUT_VAL;
+	iowrite32(val, pdata->msm_snd_intr_lpi.lpi_gpio_inout);
+}
+
 static int msm_adsp_power_up_config(struct snd_soc_codec *codec,
 				    struct snd_card *card)
 {
@@ -1222,7 +1263,10 @@ static int msm_adsp_power_up_config(struct snd_soc_codec *codec,
 	unsigned long timeout;
 	int adsp_ready = 0;
 	bool snd_card_online = 0;
+	struct snd_soc_card *soc_card = codec->component.card;
+	struct msm_asoc_mach_data *pdata;
 
+	pdata = snd_soc_card_get_drvdata(soc_card);
 	timeout = jiffies +
 		msecs_to_jiffies(ADSP_STATE_READY_TIMEOUT_MS);
 
@@ -1257,6 +1301,10 @@ static int msm_adsp_power_up_config(struct snd_soc_codec *codec,
 		goto err_fail;
 	}
 
+	if (socinfo_get_id() == SDM660_SOC_MSM_ID) {
+		msm_snd_interrupt_config(pdata);
+	}
+
 	ret = msm_afe_set_config(codec);
 	if (ret)
 		pr_err("%s: Failed to set AFE config. err %d\n",
@@ -1309,7 +1357,6 @@ static int sdm660_notifier_service_cb(struct notifier_block *this,
 			goto done;
 		}
 		codec = rtd->codec;
-
 		ret = msm_adsp_power_up_config(codec, card->snd_card);
 		if (ret < 0) {
 			dev_err(card->dev,
@@ -1876,7 +1923,35 @@ int msm_ext_cdc_init(struct platform_device *pdev,
 			ret);
 		ret = 0;
 	}
+	pdata->msm_snd_intr_lpi.mpm_wakeup =
+		ioremap(TLMM_CENTER_MPM_WAKEUP_INT_EN_0, 4);
+	pdata->msm_snd_intr_lpi.intr1_cfg_apps =
+		ioremap(TLMM_LPI_DIR_CONN_INTR1_CFG_APPS, 4);
+	pdata->msm_snd_intr_lpi.lpi_gpio_intr_cfg =
+		ioremap(TLMM_LPI_GPIO_INTR_CFG1, 4);
+	pdata->msm_snd_intr_lpi.lpi_gpio_cfg =
+		ioremap(TLMM_LPI_GPIO22_CFG, 4);
+	pdata->msm_snd_intr_lpi.lpi_gpio_inout =
+		ioremap(TLMM_LPI_GPIO22_INOUT, 4);
 err:
 	return ret;
 }
 EXPORT_SYMBOL(msm_ext_cdc_init);
+
+/**
+ * msm_ext_cdc_deinit - external codec machine specific deinit.
+ */
+void msm_ext_cdc_deinit(struct msm_asoc_mach_data *pdata)
+{
+	if (pdata->msm_snd_intr_lpi.mpm_wakeup)
+		iounmap(pdata->msm_snd_intr_lpi.mpm_wakeup);
+	if (pdata->msm_snd_intr_lpi.intr1_cfg_apps)
+		iounmap(pdata->msm_snd_intr_lpi.intr1_cfg_apps);
+	if (pdata->msm_snd_intr_lpi.lpi_gpio_intr_cfg)
+		iounmap(pdata->msm_snd_intr_lpi.lpi_gpio_intr_cfg);
+	if (pdata->msm_snd_intr_lpi.lpi_gpio_cfg)
+		iounmap(pdata->msm_snd_intr_lpi.lpi_gpio_cfg);
+	if (pdata->msm_snd_intr_lpi.lpi_gpio_inout)
+		iounmap(pdata->msm_snd_intr_lpi.lpi_gpio_inout);
+}
+EXPORT_SYMBOL(msm_ext_cdc_deinit);
diff --git a/asoc/sdm660-external.h b/asoc/sdm660-external.h
index b81e158b..c234df43 100644
--- a/asoc/sdm660-external.h
+++ b/asoc/sdm660-external.h
@@ -36,6 +36,7 @@ int msm_snd_card_tasha_late_probe(struct snd_soc_card *card);
 int msm_ext_cdc_init(struct platform_device *, struct msm_asoc_mach_data *,
 		     struct snd_soc_card **, struct wcd_mbhc_config *);
 void msm_ext_register_audio_notifier(struct platform_device *pdev);
+void msm_ext_cdc_deinit(struct msm_asoc_mach_data *pdata);
 #else
 inline int msm_ext_cdc_init(struct platform_device *pdev,
 			    struct msm_asoc_mach_data *pdata,
@@ -48,5 +49,8 @@ inline int msm_ext_cdc_init(struct platform_device *pdev,
 inline void msm_ext_register_audio_notifier(struct platform_device *pdev)
 {
 }
+inline void msm_ext_cdc_deinit(void)
+{
+}
 #endif
 #endif