ASoC: WCD9330: Add initial driver for WCD9330 codec

Add codec driver for WCD9330 audio codec. This driver
is an ALSA-compliant and constructs the internal codec
audio paths with DAPM widgets and controls. Provides the
controls to the upper layers to enable and configure
audio paths.

Change-Id: If0832f3dd7dc671d7a61a43a7a8683106ad84973
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>

sound/soc/codecs/Kconfig

@@ -364,9 +364,12 @@ config SND_SOC_WCD9320
 config SND_SOC_WCD9306
         tristate
 
+config SND_SOC_WCD9330
+        tristate
+
 config SND_SOC_WCD9XXX
 	tristate
-	default y if SND_SOC_WCD9320=y || SND_SOC_WCD9306=y
+	default y if SND_SOC_WCD9320=y || SND_SOC_WCD9306=y || SND_SOC_WCD9330=y
 
 config SND_SOC_MSM8X10_WCD
 	tristate

sound/soc/codecs/Makefile

@@ -69,6 +69,7 @@ snd-soc-uda1380-objs := uda1380.o
 snd-soc-wcd9310-objs := wcd9310.o wcd9310-tables.o
 snd-soc-wcd9320-objs := wcd9320.o wcd9320-tables.o
 snd-soc-wcd9306-objs := wcd9306.o wcd9306-tables.o
+snd-soc-wcd9330-objs := wcd9330.o wcd9330-tables.o
 snd-soc-wcd9xxx-objs := wcd9xxx-resmgr.o wcd9xxx-mbhc.o wcd9xxx-common.o
 snd-soc-msm8x10-wcd-objs := msm8x10-wcd.o msm8x10-wcd-tables.o wcd9xxx-common.o
 snd-soc-msm8x16-wcd-objs := msm8x16-wcd.o msm8x16-wcd-tables.o wcd-mbhc-v2.o
@@ -202,6 +203,7 @@ obj-$(CONFIG_SND_SOC_UDA1380)	+= snd-soc-uda1380.o
 obj-$(CONFIG_SND_SOC_WCD9310)	+= snd-soc-wcd9310.o
 obj-$(CONFIG_SND_SOC_WCD9320)	+= snd-soc-wcd9320.o
 obj-$(CONFIG_SND_SOC_WCD9306)	+= snd-soc-wcd9306.o
+obj-$(CONFIG_SND_SOC_WCD9330)	+= snd-soc-wcd9330.o
 obj-$(CONFIG_SND_SOC_MSM8X10_WCD)	+= snd-soc-msm8x10-wcd.o wcd9xxx-resmgr.o wcd9xxx-mbhc.o
 obj-$(CONFIG_SND_SOC_WCD9XXX)   += snd-soc-wcd9xxx.o
 obj-$(CONFIG_SND_SOC_MSM8X16_WCD)	+= snd-soc-msm8x16-wcd.o msm8916-wcd-irq.o

sound/soc/codecs/wcd9330.h

@@ -0,0 +1,166 @@
+/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef WCD9330_H
+#define WCD9330_H
+
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/apr_audio-v2.h>
+#include <linux/mfd/wcd9xxx/wcd9xxx-slimslave.h>
+#include "wcd9xxx-mbhc.h"
+#include "wcd9xxx-resmgr.h"
+#include "wcd9xxx-common.h"
+
+#define TOMTOM_NUM_REGISTERS 0x400
+#define TOMTOM_MAX_REGISTER (TOMTOM_NUM_REGISTERS-1)
+#define TOMTOM_CACHE_SIZE TOMTOM_NUM_REGISTERS
+
+#define TOMTOM_REG_VAL(reg, val)		{reg, 0, val}
+#define TOMTOM_MCLK_ID 0
+
+#define TOMTOM_REGISTER_START_OFFSET 0x800
+#define TOMTOM_SB_PGD_PORT_RX_BASE   0x40
+#define TOMTOM_SB_PGD_PORT_TX_BASE   0x50
+
+#define WCD9330_DMIC_B1_CTL_DIV_2 0x00
+#define WCD9330_DMIC_B1_CTL_DIV_3 0x20
+#define WCD9330_DMIC_B1_CTL_DIV_4 0x40
+
+#define WCD9330_DMIC_B2_CTL_DIV_2 0x00
+#define WCD9330_DMIC_B2_CTL_DIV_3 0x12
+#define WCD9330_DMIC_B2_CTL_DIV_4 0x24
+
+extern const u8 tomtom_reg_readable[TOMTOM_CACHE_SIZE];
+extern const u8 tomtom_reset_reg_defaults[TOMTOM_CACHE_SIZE];
+struct tomtom_codec_dai_data {
+	u32 rate;
+	u32 *ch_num;
+	u32 ch_act;
+	u32 ch_tot;
+};
+
+enum tomtom_pid_current {
+	TOMTOM_PID_MIC_2P5_UA,
+	TOMTOM_PID_MIC_5_UA,
+	TOMTOM_PID_MIC_10_UA,
+	TOMTOM_PID_MIC_20_UA,
+};
+
+enum tomtom_mbhc_analog_pwr_cfg {
+	TOMTOM_ANALOG_PWR_COLLAPSED = 0,
+	TOMTOM_ANALOG_PWR_ON,
+	TOMTOM_NUM_ANALOG_PWR_CONFIGS,
+};
+
+/* Number of input and output Slimbus port */
+enum {
+	TOMTOM_RX1 = 0,
+	TOMTOM_RX2,
+	TOMTOM_RX3,
+	TOMTOM_RX4,
+	TOMTOM_RX5,
+	TOMTOM_RX6,
+	TOMTOM_RX7,
+	TOMTOM_RX8,
+	TOMTOM_RX9,
+	TOMTOM_RX10,
+	TOMTOM_RX11,
+	TOMTOM_RX12,
+	TOMTOM_RX13,
+	TOMTOM_RX_MAX,
+};
+
+enum {
+	TOMTOM_TX1 = 0,
+	TOMTOM_TX2,
+	TOMTOM_TX3,
+	TOMTOM_TX4,
+	TOMTOM_TX5,
+	TOMTOM_TX6,
+	TOMTOM_TX7,
+	TOMTOM_TX8,
+	TOMTOM_TX9,
+	TOMTOM_TX10,
+	TOMTOM_TX11,
+	TOMTOM_TX12,
+	TOMTOM_TX13,
+	TOMTOM_TX14,
+	TOMTOM_TX15,
+	TOMTOM_TX16,
+	TOMTOM_TX_MAX,
+};
+
+struct mad_audio_header {
+	u32 reserved[3];
+	u32 num_reg_cfg;
+};
+
+struct mad_microphone_info {
+	uint8_t input_microphone;
+	uint8_t cycle_time;
+	uint8_t settle_time;
+	uint8_t padding;
+} __packed;
+
+struct mad_micbias_info {
+	uint8_t micbias;
+	uint8_t k_factor;
+	uint8_t external_bypass_capacitor;
+	uint8_t internal_biasing;
+	uint8_t cfilter;
+	uint8_t padding[3];
+} __packed;
+
+struct mad_rms_audio_beacon_info {
+	uint8_t rms_omit_samples;
+	uint8_t rms_comp_time;
+	uint8_t detection_mechanism;
+	uint8_t rms_diff_threshold;
+	uint8_t rms_threshold_lsb;
+	uint8_t rms_threshold_msb;
+	uint8_t padding[2];
+	uint8_t iir_coefficients[36];
+} __packed;
+
+struct mad_rms_ultrasound_info {
+	uint8_t rms_comp_time;
+	uint8_t detection_mechanism;
+	uint8_t rms_diff_threshold;
+	uint8_t rms_threshold_lsb;
+	uint8_t rms_threshold_msb;
+	uint8_t padding[3];
+	uint8_t iir_coefficients[36];
+} __packed;
+
+struct mad_audio_cal {
+	uint32_t version;
+	struct mad_microphone_info microphone_info;
+	struct mad_micbias_info micbias_info;
+	struct mad_rms_audio_beacon_info audio_info;
+	struct mad_rms_audio_beacon_info beacon_info;
+	struct mad_rms_ultrasound_info ultrasound_info;
+} __packed;
+
+extern int tomtom_mclk_enable(struct snd_soc_codec *codec, int mclk_enable,
+			     bool dapm);
+extern int tomtom_hs_detect(struct snd_soc_codec *codec,
+			   struct wcd9xxx_mbhc_config *mbhc_cfg);
+extern void tomtom_hs_detect_exit(struct snd_soc_codec *codec);
+extern void *tomtom_get_afe_config(struct snd_soc_codec *codec,
+				  enum afe_config_type config_type);
+
+extern void tomtom_event_register(
+	int (*machine_event_cb)(struct snd_soc_codec *codec,
+				enum wcd9xxx_codec_event),
+	struct snd_soc_codec *codec);
+
+#endif