--- /dev/null
+/*
+ * wm8995.c -- WM8995 ALSA SoC Audio driver
+ *
+ * Copyright 2010 Wolfson Microelectronics plc
+ *
+ * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
+ *
+ * Based on wm8994.c and wm_hubs.c by Mark Brown
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/spi/spi.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+
+#include "wm8995.h"
+
+#define WM8995_NUM_SUPPLIES 8
+static const char *wm8995_supply_names[WM8995_NUM_SUPPLIES] = {
+ "DCVDD",
+ "DBVDD1",
+ "DBVDD2",
+ "DBVDD3",
+ "AVDD1",
+ "AVDD2",
+ "CPVDD",
+ "MICVDD"
+};
+
+static const struct reg_default wm8995_reg_defaults[] = {
+ { 0, 0x8995 },
+ { 5, 0x0100 },
+ { 16, 0x000b },
+ { 17, 0x000b },
+ { 24, 0x02c0 },
+ { 25, 0x02c0 },
+ { 26, 0x02c0 },
+ { 27, 0x02c0 },
+ { 28, 0x000f },
+ { 32, 0x0005 },
+ { 33, 0x0005 },
+ { 40, 0x0003 },
+ { 41, 0x0013 },
+ { 48, 0x0004 },
+ { 56, 0x09f8 },
+ { 64, 0x1f25 },
+ { 69, 0x0004 },
+ { 82, 0xaaaa },
+ { 84, 0x2a2a },
+ { 146, 0x0060 },
+ { 256, 0x0002 },
+ { 257, 0x8004 },
+ { 520, 0x0010 },
+ { 528, 0x0083 },
+ { 529, 0x0083 },
+ { 548, 0x0c80 },
+ { 580, 0x0c80 },
+ { 768, 0x4050 },
+ { 769, 0x4000 },
+ { 771, 0x0040 },
+ { 772, 0x0040 },
+ { 773, 0x0040 },
+ { 774, 0x0004 },
+ { 775, 0x0100 },
+ { 784, 0x4050 },
+ { 785, 0x4000 },
+ { 787, 0x0040 },
+ { 788, 0x0040 },
+ { 789, 0x0040 },
+ { 1024, 0x00c0 },
+ { 1025, 0x00c0 },
+ { 1026, 0x00c0 },
+ { 1027, 0x00c0 },
+ { 1028, 0x00c0 },
+ { 1029, 0x00c0 },
+ { 1030, 0x00c0 },
+ { 1031, 0x00c0 },
+ { 1056, 0x0200 },
+ { 1057, 0x0010 },
+ { 1058, 0x0200 },
+ { 1059, 0x0010 },
+ { 1088, 0x0098 },
+ { 1089, 0x0845 },
+ { 1104, 0x0098 },
+ { 1105, 0x0845 },
+ { 1152, 0x6318 },
+ { 1153, 0x6300 },
+ { 1154, 0x0fca },
+ { 1155, 0x0400 },
+ { 1156, 0x00d8 },
+ { 1157, 0x1eb5 },
+ { 1158, 0xf145 },
+ { 1159, 0x0b75 },
+ { 1160, 0x01c5 },
+ { 1161, 0x1c58 },
+ { 1162, 0xf373 },
+ { 1163, 0x0a54 },
+ { 1164, 0x0558 },
+ { 1165, 0x168e },
+ { 1166, 0xf829 },
+ { 1167, 0x07ad },
+ { 1168, 0x1103 },
+ { 1169, 0x0564 },
+ { 1170, 0x0559 },
+ { 1171, 0x4000 },
+ { 1184, 0x6318 },
+ { 1185, 0x6300 },
+ { 1186, 0x0fca },
+ { 1187, 0x0400 },
+ { 1188, 0x00d8 },
+ { 1189, 0x1eb5 },
+ { 1190, 0xf145 },
+ { 1191, 0x0b75 },
+ { 1192, 0x01c5 },
+ { 1193, 0x1c58 },
+ { 1194, 0xf373 },
+ { 1195, 0x0a54 },
+ { 1196, 0x0558 },
+ { 1197, 0x168e },
+ { 1198, 0xf829 },
+ { 1199, 0x07ad },
+ { 1200, 0x1103 },
+ { 1201, 0x0564 },
+ { 1202, 0x0559 },
+ { 1203, 0x4000 },
+ { 1280, 0x00c0 },
+ { 1281, 0x00c0 },
+ { 1282, 0x00c0 },
+ { 1283, 0x00c0 },
+ { 1312, 0x0200 },
+ { 1313, 0x0010 },
+ { 1344, 0x0098 },
+ { 1345, 0x0845 },
+ { 1408, 0x6318 },
+ { 1409, 0x6300 },
+ { 1410, 0x0fca },
+ { 1411, 0x0400 },
+ { 1412, 0x00d8 },
+ { 1413, 0x1eb5 },
+ { 1414, 0xf145 },
+ { 1415, 0x0b75 },
+ { 1416, 0x01c5 },
+ { 1417, 0x1c58 },
+ { 1418, 0xf373 },
+ { 1419, 0x0a54 },
+ { 1420, 0x0558 },
+ { 1421, 0x168e },
+ { 1422, 0xf829 },
+ { 1423, 0x07ad },
+ { 1424, 0x1103 },
+ { 1425, 0x0564 },
+ { 1426, 0x0559 },
+ { 1427, 0x4000 },
+ { 1568, 0x0002 },
+ { 1792, 0xa100 },
+ { 1793, 0xa101 },
+ { 1794, 0xa101 },
+ { 1795, 0xa101 },
+ { 1796, 0xa101 },
+ { 1797, 0xa101 },
+ { 1798, 0xa101 },
+ { 1799, 0xa101 },
+ { 1800, 0xa101 },
+ { 1801, 0xa101 },
+ { 1802, 0xa101 },
+ { 1803, 0xa101 },
+ { 1804, 0xa101 },
+ { 1805, 0xa101 },
+ { 1825, 0x0055 },
+ { 1848, 0x3fff },
+ { 1849, 0x1fff },
+ { 2049, 0x0001 },
+ { 2050, 0x0069 },
+ { 2056, 0x0002 },
+ { 2057, 0x0003 },
+ { 2058, 0x0069 },
+ { 12288, 0x0001 },
+ { 12289, 0x0001 },
+ { 12291, 0x0006 },
+ { 12292, 0x0040 },
+ { 12293, 0x0001 },
+ { 12294, 0x000f },
+ { 12295, 0x0006 },
+ { 12296, 0x0001 },
+ { 12297, 0x0003 },
+ { 12298, 0x0104 },
+ { 12300, 0x0060 },
+ { 12301, 0x0011 },
+ { 12302, 0x0401 },
+ { 12304, 0x0050 },
+ { 12305, 0x0003 },
+ { 12306, 0x0100 },
+ { 12308, 0x0051 },
+ { 12309, 0x0003 },
+ { 12310, 0x0104 },
+ { 12311, 0x000a },
+ { 12312, 0x0060 },
+ { 12313, 0x003b },
+ { 12314, 0x0502 },
+ { 12315, 0x0100 },
+ { 12316, 0x2fff },
+ { 12320, 0x2fff },
+ { 12324, 0x2fff },
+ { 12328, 0x2fff },
+ { 12332, 0x2fff },
+ { 12336, 0x2fff },
+ { 12340, 0x2fff },
+ { 12344, 0x2fff },
+ { 12348, 0x2fff },
+ { 12352, 0x0001 },
+ { 12353, 0x0001 },
+ { 12355, 0x0006 },
+ { 12356, 0x0040 },
+ { 12357, 0x0001 },
+ { 12358, 0x000f },
+ { 12359, 0x0006 },
+ { 12360, 0x0001 },
+ { 12361, 0x0003 },
+ { 12362, 0x0104 },
+ { 12364, 0x0060 },
+ { 12365, 0x0011 },
+ { 12366, 0x0401 },
+ { 12368, 0x0050 },
+ { 12369, 0x0003 },
+ { 12370, 0x0100 },
+ { 12372, 0x0060 },
+ { 12373, 0x003b },
+ { 12374, 0x0502 },
+ { 12375, 0x0100 },
+ { 12376, 0x2fff },
+ { 12380, 0x2fff },
+ { 12384, 0x2fff },
+ { 12388, 0x2fff },
+ { 12392, 0x2fff },
+ { 12396, 0x2fff },
+ { 12400, 0x2fff },
+ { 12404, 0x2fff },
+ { 12408, 0x2fff },
+ { 12412, 0x2fff },
+ { 12416, 0x0001 },
+ { 12417, 0x0001 },
+ { 12419, 0x0006 },
+ { 12420, 0x0040 },
+ { 12421, 0x0001 },
+ { 12422, 0x000f },
+ { 12423, 0x0006 },
+ { 12424, 0x0001 },
+ { 12425, 0x0003 },
+ { 12426, 0x0106 },
+ { 12428, 0x0061 },
+ { 12429, 0x0011 },
+ { 12430, 0x0401 },
+ { 12432, 0x0050 },
+ { 12433, 0x0003 },
+ { 12434, 0x0102 },
+ { 12436, 0x0051 },
+ { 12437, 0x0003 },
+ { 12438, 0x0106 },
+ { 12439, 0x000a },
+ { 12440, 0x0061 },
+ { 12441, 0x003b },
+ { 12442, 0x0502 },
+ { 12443, 0x0100 },
+ { 12444, 0x2fff },
+ { 12448, 0x2fff },
+ { 12452, 0x2fff },
+ { 12456, 0x2fff },
+ { 12460, 0x2fff },
+ { 12464, 0x2fff },
+ { 12468, 0x2fff },
+ { 12472, 0x2fff },
+ { 12476, 0x2fff },
+ { 12480, 0x0001 },
+ { 12481, 0x0001 },
+ { 12483, 0x0006 },
+ { 12484, 0x0040 },
+ { 12485, 0x0001 },
+ { 12486, 0x000f },
+ { 12487, 0x0006 },
+ { 12488, 0x0001 },
+ { 12489, 0x0003 },
+ { 12490, 0x0106 },
+ { 12492, 0x0061 },
+ { 12493, 0x0011 },
+ { 12494, 0x0401 },
+ { 12496, 0x0050 },
+ { 12497, 0x0003 },
+ { 12498, 0x0102 },
+ { 12500, 0x0061 },
+ { 12501, 0x003b },
+ { 12502, 0x0502 },
+ { 12503, 0x0100 },
+ { 12504, 0x2fff },
+ { 12508, 0x2fff },
+ { 12512, 0x2fff },
+ { 12516, 0x2fff },
+ { 12520, 0x2fff },
+ { 12524, 0x2fff },
+ { 12528, 0x2fff },
+ { 12532, 0x2fff },
+ { 12536, 0x2fff },
+ { 12540, 0x2fff },
+ { 12544, 0x0060 },
+ { 12546, 0x0601 },
+ { 12548, 0x0050 },
+ { 12550, 0x0100 },
+ { 12552, 0x0001 },
+ { 12554, 0x0104 },
+ { 12555, 0x0100 },
+ { 12556, 0x2fff },
+ { 12560, 0x2fff },
+ { 12564, 0x2fff },
+ { 12568, 0x2fff },
+ { 12572, 0x2fff },
+ { 12576, 0x2fff },
+ { 12580, 0x2fff },
+ { 12584, 0x2fff },
+ { 12588, 0x2fff },
+ { 12592, 0x2fff },
+ { 12596, 0x2fff },
+ { 12600, 0x2fff },
+ { 12604, 0x2fff },
+ { 12608, 0x0061 },
+ { 12610, 0x0601 },
+ { 12612, 0x0050 },
+ { 12614, 0x0102 },
+ { 12616, 0x0001 },
+ { 12618, 0x0106 },
+ { 12619, 0x0100 },
+ { 12620, 0x2fff },
+ { 12624, 0x2fff },
+ { 12628, 0x2fff },
+ { 12632, 0x2fff },
+ { 12636, 0x2fff },
+ { 12640, 0x2fff },
+ { 12644, 0x2fff },
+ { 12648, 0x2fff },
+ { 12652, 0x2fff },
+ { 12656, 0x2fff },
+ { 12660, 0x2fff },
+ { 12664, 0x2fff },
+ { 12668, 0x2fff },
+ { 12672, 0x0060 },
+ { 12674, 0x0601 },
+ { 12676, 0x0061 },
+ { 12678, 0x0601 },
+ { 12680, 0x0050 },
+ { 12682, 0x0300 },
+ { 12684, 0x0001 },
+ { 12686, 0x0304 },
+ { 12688, 0x0040 },
+ { 12690, 0x000f },
+ { 12692, 0x0001 },
+ { 12695, 0x0100 },
+};
+
+struct fll_config {
+ int src;
+ int in;
+ int out;
+};
+
+struct wm8995_priv {
+ struct regmap *regmap;
+ int sysclk[2];
+ int mclk[2];
+ int aifclk[2];
+ struct fll_config fll[2], fll_suspend[2];
+ struct regulator_bulk_data supplies[WM8995_NUM_SUPPLIES];
+ struct notifier_block disable_nb[WM8995_NUM_SUPPLIES];
+ struct snd_soc_codec *codec;
+};
+
+/*
+ * We can't use the same notifier block for more than one supply and
+ * there's no way I can see to get from a callback to the caller
+ * except container_of().
+ */
+#define WM8995_REGULATOR_EVENT(n) \
+static int wm8995_regulator_event_##n(struct notifier_block *nb, \
+ unsigned long event, void *data) \
+{ \
+ struct wm8995_priv *wm8995 = container_of(nb, struct wm8995_priv, \
+ disable_nb[n]); \
+ if (event & REGULATOR_EVENT_DISABLE) { \
+ regcache_mark_dirty(wm8995->regmap); \
+ } \
+ return 0; \
+}
+
+WM8995_REGULATOR_EVENT(0)
+WM8995_REGULATOR_EVENT(1)
+WM8995_REGULATOR_EVENT(2)
+WM8995_REGULATOR_EVENT(3)
+WM8995_REGULATOR_EVENT(4)
+WM8995_REGULATOR_EVENT(5)
+WM8995_REGULATOR_EVENT(6)
+WM8995_REGULATOR_EVENT(7)
+
+static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+static const DECLARE_TLV_DB_SCALE(in1lr_pga_tlv, -1650, 150, 0);
+static const DECLARE_TLV_DB_SCALE(in1l_boost_tlv, 0, 600, 0);
+static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
+
+static const char *in1l_text[] = {
+ "Differential", "Single-ended IN1LN", "Single-ended IN1LP"
+};
+
+static SOC_ENUM_SINGLE_DECL(in1l_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
+ 2, in1l_text);
+
+static const char *in1r_text[] = {
+ "Differential", "Single-ended IN1RN", "Single-ended IN1RP"
+};
+
+static SOC_ENUM_SINGLE_DECL(in1r_enum, WM8995_LEFT_LINE_INPUT_CONTROL,
+ 0, in1r_text);
+
+static const char *dmic_src_text[] = {
+ "DMICDAT1", "DMICDAT2", "DMICDAT3"
+};
+
+static SOC_ENUM_SINGLE_DECL(dmic_src1_enum, WM8995_POWER_MANAGEMENT_5,
+ 8, dmic_src_text);
+static SOC_ENUM_SINGLE_DECL(dmic_src2_enum, WM8995_POWER_MANAGEMENT_5,
+ 6, dmic_src_text);
+
+static const struct snd_kcontrol_new wm8995_snd_controls[] = {
+ SOC_DOUBLE_R_TLV("DAC1 Volume", WM8995_DAC1_LEFT_VOLUME,
+ WM8995_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R("DAC1 Switch", WM8995_DAC1_LEFT_VOLUME,
+ WM8995_DAC1_RIGHT_VOLUME, 9, 1, 1),
+
+ SOC_DOUBLE_R_TLV("DAC2 Volume", WM8995_DAC2_LEFT_VOLUME,
+ WM8995_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R("DAC2 Switch", WM8995_DAC2_LEFT_VOLUME,
+ WM8995_DAC2_RIGHT_VOLUME, 9, 1, 1),
+
+ SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8995_AIF1_DAC1_LEFT_VOLUME,
+ WM8995_AIF1_DAC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8995_AIF1_DAC2_LEFT_VOLUME,
+ WM8995_AIF1_DAC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8995_AIF2_DAC_LEFT_VOLUME,
+ WM8995_AIF2_DAC_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+
+ SOC_DOUBLE_R_TLV("IN1LR Volume", WM8995_LEFT_LINE_INPUT_1_VOLUME,
+ WM8995_RIGHT_LINE_INPUT_1_VOLUME, 0, 31, 0, in1lr_pga_tlv),
+
+ SOC_SINGLE_TLV("IN1L Boost", WM8995_LEFT_LINE_INPUT_CONTROL,
+ 4, 3, 0, in1l_boost_tlv),
+
+ SOC_ENUM("IN1L Mode", in1l_enum),
+ SOC_ENUM("IN1R Mode", in1r_enum),
+
+ SOC_ENUM("DMIC1 SRC", dmic_src1_enum),
+ SOC_ENUM("DMIC2 SRC", dmic_src2_enum),
+
+ SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8995_DAC1_MIXER_VOLUMES, 0, 5,
+ 24, 0, sidetone_tlv),
+ SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8995_DAC2_MIXER_VOLUMES, 0, 5,
+ 24, 0, sidetone_tlv),
+
+ SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8995_AIF1_ADC1_LEFT_VOLUME,
+ WM8995_AIF1_ADC1_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8995_AIF1_ADC2_LEFT_VOLUME,
+ WM8995_AIF1_ADC2_RIGHT_VOLUME, 0, 96, 0, digital_tlv),
+ SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8995_AIF2_ADC_LEFT_VOLUME,
+ WM8995_AIF2_ADC_RIGHT_VOLUME, 0, 96, 0, digital_tlv)
+};
+
+static void wm8995_update_class_w(struct snd_soc_codec *codec)
+{
+ int enable = 1;
+ int source = 0; /* GCC flow analysis can't track enable */
+ int reg, reg_r;
+
+ /* We also need the same setting for L/R and only one path */
+ reg = snd_soc_read(codec, WM8995_DAC1_LEFT_MIXER_ROUTING);
+ switch (reg) {
+ case WM8995_AIF2DACL_TO_DAC1L:
+ dev_dbg(codec->dev, "Class W source AIF2DAC\n");
+ source = 2 << WM8995_CP_DYN_SRC_SEL_SHIFT;
+ break;
+ case WM8995_AIF1DAC2L_TO_DAC1L:
+ dev_dbg(codec->dev, "Class W source AIF1DAC2\n");
+ source = 1 << WM8995_CP_DYN_SRC_SEL_SHIFT;
+ break;
+ case WM8995_AIF1DAC1L_TO_DAC1L:
+ dev_dbg(codec->dev, "Class W source AIF1DAC1\n");
+ source = 0 << WM8995_CP_DYN_SRC_SEL_SHIFT;
+ break;
+ default:
+ dev_dbg(codec->dev, "DAC mixer setting: %x\n", reg);
+ enable = 0;
+ break;
+ }
+
+ reg_r = snd_soc_read(codec, WM8995_DAC1_RIGHT_MIXER_ROUTING);
+ if (reg_r != reg) {
+ dev_dbg(codec->dev, "Left and right DAC mixers different\n");
+ enable = 0;
+ }
+
+ if (enable) {
+ dev_dbg(codec->dev, "Class W enabled\n");
+ snd_soc_update_bits(codec, WM8995_CLASS_W_1,
+ WM8995_CP_DYN_PWR_MASK |
+ WM8995_CP_DYN_SRC_SEL_MASK,
+ source | WM8995_CP_DYN_PWR);
+ } else {
+ dev_dbg(codec->dev, "Class W disabled\n");
+ snd_soc_update_bits(codec, WM8995_CLASS_W_1,
+ WM8995_CP_DYN_PWR_MASK, 0);
+ }
+}
+
+static int check_clk_sys(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
+ unsigned int reg;
+ const char *clk;
+
+ reg = snd_soc_read(codec, WM8995_CLOCKING_1);
+ /* Check what we're currently using for CLK_SYS */
+ if (reg & WM8995_SYSCLK_SRC)
+ clk = "AIF2CLK";
+ else
+ clk = "AIF1CLK";
+ return !strcmp(source->name, clk);
+}
+
+static int wm8995_put_class_w(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ int ret;
+
+ ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
+ wm8995_update_class_w(codec);
+ return ret;
+}
+
+static int hp_supply_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ /* Enable the headphone amp */
+ snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
+ WM8995_HPOUT1L_ENA_MASK |
+ WM8995_HPOUT1R_ENA_MASK,
+ WM8995_HPOUT1L_ENA |
+ WM8995_HPOUT1R_ENA);
+
+ /* Enable the second stage */
+ snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
+ WM8995_HPOUT1L_DLY_MASK |
+ WM8995_HPOUT1R_DLY_MASK,
+ WM8995_HPOUT1L_DLY |
+ WM8995_HPOUT1R_DLY);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
+ WM8995_CP_ENA_MASK, 0);
+ break;
+ }
+
+ return 0;
+}
+
+static void dc_servo_cmd(struct snd_soc_codec *codec,
+ unsigned int reg, unsigned int val, unsigned int mask)
+{
+ int timeout = 10;
+
+ dev_dbg(codec->dev, "%s: reg = %#x, val = %#x, mask = %#x\n",
+ __func__, reg, val, mask);
+
+ snd_soc_write(codec, reg, val);
+ while (timeout--) {
+ msleep(10);
+ val = snd_soc_read(codec, WM8995_DC_SERVO_READBACK_0);
+ if ((val & mask) == mask)
+ return;
+ }
+
+ dev_err(codec->dev, "Timed out waiting for DC Servo\n");
+}
+
+static int hp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ unsigned int reg;
+
+ reg = snd_soc_read(codec, WM8995_ANALOGUE_HP_1);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ snd_soc_update_bits(codec, WM8995_CHARGE_PUMP_1,
+ WM8995_CP_ENA_MASK, WM8995_CP_ENA);
+
+ msleep(5);
+
+ snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
+ WM8995_HPOUT1L_ENA_MASK |
+ WM8995_HPOUT1R_ENA_MASK,
+ WM8995_HPOUT1L_ENA | WM8995_HPOUT1R_ENA);
+
+ udelay(20);
+
+ reg |= WM8995_HPOUT1L_DLY | WM8995_HPOUT1R_DLY;
+ snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
+
+ snd_soc_write(codec, WM8995_DC_SERVO_1, WM8995_DCS_ENA_CHAN_0 |
+ WM8995_DCS_ENA_CHAN_1);
+
+ dc_servo_cmd(codec, WM8995_DC_SERVO_2,
+ WM8995_DCS_TRIG_STARTUP_0 |
+ WM8995_DCS_TRIG_STARTUP_1,
+ WM8995_DCS_TRIG_DAC_WR_0 |
+ WM8995_DCS_TRIG_DAC_WR_1);
+
+ reg |= WM8995_HPOUT1R_OUTP | WM8995_HPOUT1R_RMV_SHORT |
+ WM8995_HPOUT1L_OUTP | WM8995_HPOUT1L_RMV_SHORT;
+ snd_soc_write(codec, WM8995_ANALOGUE_HP_1, reg);
+
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
+ WM8995_HPOUT1L_OUTP_MASK |
+ WM8995_HPOUT1R_OUTP_MASK |
+ WM8995_HPOUT1L_RMV_SHORT_MASK |
+ WM8995_HPOUT1R_RMV_SHORT_MASK, 0);
+
+ snd_soc_update_bits(codec, WM8995_ANALOGUE_HP_1,
+ WM8995_HPOUT1L_DLY_MASK |
+ WM8995_HPOUT1R_DLY_MASK, 0);
+
+ snd_soc_write(codec, WM8995_DC_SERVO_1, 0);
+
+ snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
+ WM8995_HPOUT1L_ENA_MASK |
+ WM8995_HPOUT1R_ENA_MASK,
+ 0);
+ break;
+ }
+
+ return 0;
+}
+
+static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
+{
+ struct wm8995_priv *wm8995;
+ int rate;
+ int reg1 = 0;
+ int offset;
+
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ if (aif)
+ offset = 4;
+ else
+ offset = 0;
+
+ switch (wm8995->sysclk[aif]) {
+ case WM8995_SYSCLK_MCLK1:
+ rate = wm8995->mclk[0];
+ break;
+ case WM8995_SYSCLK_MCLK2:
+ reg1 |= 0x8;
+ rate = wm8995->mclk[1];
+ break;
+ case WM8995_SYSCLK_FLL1:
+ reg1 |= 0x10;
+ rate = wm8995->fll[0].out;
+ break;
+ case WM8995_SYSCLK_FLL2:
+ reg1 |= 0x18;
+ rate = wm8995->fll[1].out;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rate >= 13500000) {
+ rate /= 2;
+ reg1 |= WM8995_AIF1CLK_DIV;
+
+ dev_dbg(codec->dev, "Dividing AIF%d clock to %dHz\n",
+ aif + 1, rate);
+ }
+
+ wm8995->aifclk[aif] = rate;
+
+ snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1 + offset,
+ WM8995_AIF1CLK_SRC_MASK | WM8995_AIF1CLK_DIV_MASK,
+ reg1);
+ return 0;
+}
+
+static int configure_clock(struct snd_soc_codec *codec)
+{
+ struct wm8995_priv *wm8995;
+ int change, new;
+
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ /* Bring up the AIF clocks first */
+ configure_aif_clock(codec, 0);
+ configure_aif_clock(codec, 1);
+
+ /*
+ * Then switch CLK_SYS over to the higher of them; a change
+ * can only happen as a result of a clocking change which can
+ * only be made outside of DAPM so we can safely redo the
+ * clocking.
+ */
+
+ /* If they're equal it doesn't matter which is used */
+ if (wm8995->aifclk[0] == wm8995->aifclk[1])
+ return 0;
+
+ if (wm8995->aifclk[0] < wm8995->aifclk[1])
+ new = WM8995_SYSCLK_SRC;
+ else
+ new = 0;
+
+ change = snd_soc_update_bits(codec, WM8995_CLOCKING_1,
+ WM8995_SYSCLK_SRC_MASK, new);
+ if (!change)
+ return 0;
+
+ snd_soc_dapm_sync(&codec->dapm);
+
+ return 0;
+}
+
+static int clk_sys_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ return configure_clock(codec);
+
+ case SND_SOC_DAPM_POST_PMD:
+ configure_clock(codec);
+ break;
+ }
+
+ return 0;
+}
+
+static const char *sidetone_text[] = {
+ "ADC/DMIC1", "DMIC2",
+};
+
+static SOC_ENUM_SINGLE_DECL(sidetone1_enum, WM8995_SIDETONE, 0, sidetone_text);
+
+static const struct snd_kcontrol_new sidetone1_mux =
+ SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
+
+static SOC_ENUM_SINGLE_DECL(sidetone2_enum, WM8995_SIDETONE, 1, sidetone_text);
+
+static const struct snd_kcontrol_new sidetone2_mux =
+ SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
+
+static const struct snd_kcontrol_new aif1adc1l_mix[] = {
+ SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif1adc1r_mix[] = {
+ SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif1adc2l_mix[] = {
+ SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif1adc2r_mix[] = {
+ SOC_DAPM_SINGLE("DMIC Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new dac1l_mix[] = {
+ WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
+ 5, 1, 0),
+ WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
+ 4, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
+ 2, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
+ 1, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_LEFT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new dac1r_mix[] = {
+ WM8995_CLASS_W_SWITCH("Right Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
+ 5, 1, 0),
+ WM8995_CLASS_W_SWITCH("Left Sidetone Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
+ 4, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
+ 2, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF1.2 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
+ 1, 1, 0),
+ WM8995_CLASS_W_SWITCH("AIF1.1 Switch", WM8995_DAC1_RIGHT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif2dac2l_mix[] = {
+ SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
+ 5, 1, 0),
+ SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
+ 4, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
+ 2, 1, 0),
+ SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_LEFT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new aif2dac2r_mix[] = {
+ SOC_DAPM_SINGLE("Right Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
+ 5, 1, 0),
+ SOC_DAPM_SINGLE("Left Sidetone Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
+ 4, 1, 0),
+ SOC_DAPM_SINGLE("AIF2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
+ 2, 1, 0),
+ SOC_DAPM_SINGLE("AIF1.2 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
+ 1, 1, 0),
+ SOC_DAPM_SINGLE("AIF1.1 Switch", WM8995_DAC2_RIGHT_MIXER_ROUTING,
+ 0, 1, 0),
+};
+
+static const struct snd_kcontrol_new in1l_pga =
+ SOC_DAPM_SINGLE("IN1L Switch", WM8995_POWER_MANAGEMENT_2, 5, 1, 0);
+
+static const struct snd_kcontrol_new in1r_pga =
+ SOC_DAPM_SINGLE("IN1R Switch", WM8995_POWER_MANAGEMENT_2, 4, 1, 0);
+
+static const char *adc_mux_text[] = {
+ "ADC",
+ "DMIC",
+};
+
+static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
+
+static const struct snd_kcontrol_new adcl_mux =
+ SOC_DAPM_ENUM("ADCL Mux", adc_enum);
+
+static const struct snd_kcontrol_new adcr_mux =
+ SOC_DAPM_ENUM("ADCR Mux", adc_enum);
+
+static const char *spk_src_text[] = {
+ "DAC1L", "DAC1R", "DAC2L", "DAC2R"
+};
+
+static SOC_ENUM_SINGLE_DECL(spk1l_src_enum, WM8995_LEFT_PDM_SPEAKER_1,
+ 0, spk_src_text);
+static SOC_ENUM_SINGLE_DECL(spk1r_src_enum, WM8995_RIGHT_PDM_SPEAKER_1,
+ 0, spk_src_text);
+static SOC_ENUM_SINGLE_DECL(spk2l_src_enum, WM8995_LEFT_PDM_SPEAKER_2,
+ 0, spk_src_text);
+static SOC_ENUM_SINGLE_DECL(spk2r_src_enum, WM8995_RIGHT_PDM_SPEAKER_2,
+ 0, spk_src_text);
+
+static const struct snd_kcontrol_new spk1l_mux =
+ SOC_DAPM_ENUM("SPK1L SRC", spk1l_src_enum);
+static const struct snd_kcontrol_new spk1r_mux =
+ SOC_DAPM_ENUM("SPK1R SRC", spk1r_src_enum);
+static const struct snd_kcontrol_new spk2l_mux =
+ SOC_DAPM_ENUM("SPK2L SRC", spk2l_src_enum);
+static const struct snd_kcontrol_new spk2r_mux =
+ SOC_DAPM_ENUM("SPK2R SRC", spk2r_src_enum);
+
+static const struct snd_soc_dapm_widget wm8995_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("DMIC1DAT"),
+ SND_SOC_DAPM_INPUT("DMIC2DAT"),
+
+ SND_SOC_DAPM_INPUT("IN1L"),
+ SND_SOC_DAPM_INPUT("IN1R"),
+
+ SND_SOC_DAPM_MIXER("IN1L PGA", SND_SOC_NOPM, 0, 0,
+ &in1l_pga, 1),
+ SND_SOC_DAPM_MIXER("IN1R PGA", SND_SOC_NOPM, 0, 0,
+ &in1r_pga, 1),
+
+ SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8995_POWER_MANAGEMENT_1, 8, 0,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8995_POWER_MANAGEMENT_1, 9, 0,
+ NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8995_AIF1_CLOCKING_1, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8995_AIF2_CLOCKING_1, 0, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8995_CLOCKING_1, 3, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8995_CLOCKING_1, 2, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("SYSDSPCLK", WM8995_CLOCKING_1, 1, 0, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", "AIF1 Capture", 0,
+ WM8995_POWER_MANAGEMENT_3, 9, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", "AIF1 Capture", 0,
+ WM8995_POWER_MANAGEMENT_3, 8, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", "AIF1 Capture", 0,
+ SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", "AIF1 Capture",
+ 0, WM8995_POWER_MANAGEMENT_3, 11, 0),
+ SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", "AIF1 Capture",
+ 0, WM8995_POWER_MANAGEMENT_3, 10, 0),
+
+ SND_SOC_DAPM_MUX("ADCL Mux", SND_SOC_NOPM, 1, 0, &adcl_mux),
+ SND_SOC_DAPM_MUX("ADCR Mux", SND_SOC_NOPM, 0, 0, &adcr_mux),
+
+ SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8995_POWER_MANAGEMENT_3, 5, 0),
+ SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8995_POWER_MANAGEMENT_3, 4, 0),
+ SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8995_POWER_MANAGEMENT_3, 3, 0),
+ SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8995_POWER_MANAGEMENT_3, 2, 0),
+
+ SND_SOC_DAPM_ADC("ADCL", NULL, WM8995_POWER_MANAGEMENT_3, 1, 0),
+ SND_SOC_DAPM_ADC("ADCR", NULL, WM8995_POWER_MANAGEMENT_3, 0, 0),
+
+ SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
+ SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
+ SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
+ SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
+ aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
+
+ SND_SOC_DAPM_AIF_IN("AIF1DAC1L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
+ 9, 0),
+ SND_SOC_DAPM_AIF_IN("AIF1DAC1R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
+ 8, 0),
+ SND_SOC_DAPM_AIF_IN("AIF1DACDAT", "AIF1 Playback", 0, SND_SOC_NOPM,
+ 0, 0),
+
+ SND_SOC_DAPM_AIF_IN("AIF1DAC2L", NULL, 0, WM8995_POWER_MANAGEMENT_4,
+ 11, 0),
+ SND_SOC_DAPM_AIF_IN("AIF1DAC2R", NULL, 0, WM8995_POWER_MANAGEMENT_4,
+ 10, 0),
+
+ SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
+ aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
+ SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
+ aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
+
+ SND_SOC_DAPM_DAC("DAC2L", NULL, WM8995_POWER_MANAGEMENT_4, 3, 0),
+ SND_SOC_DAPM_DAC("DAC2R", NULL, WM8995_POWER_MANAGEMENT_4, 2, 0),
+ SND_SOC_DAPM_DAC("DAC1L", NULL, WM8995_POWER_MANAGEMENT_4, 1, 0),
+ SND_SOC_DAPM_DAC("DAC1R", NULL, WM8995_POWER_MANAGEMENT_4, 0, 0),
+
+ SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0, dac1l_mix,
+ ARRAY_SIZE(dac1l_mix)),
+ SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0, dac1r_mix,
+ ARRAY_SIZE(dac1r_mix)),
+
+ SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
+ SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
+
+ SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
+ hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0,
+ hp_supply_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_MUX("SPK1L Driver", WM8995_LEFT_PDM_SPEAKER_1,
+ 4, 0, &spk1l_mux),
+ SND_SOC_DAPM_MUX("SPK1R Driver", WM8995_RIGHT_PDM_SPEAKER_1,
+ 4, 0, &spk1r_mux),
+ SND_SOC_DAPM_MUX("SPK2L Driver", WM8995_LEFT_PDM_SPEAKER_2,
+ 4, 0, &spk2l_mux),
+ SND_SOC_DAPM_MUX("SPK2R Driver", WM8995_RIGHT_PDM_SPEAKER_2,
+ 4, 0, &spk2r_mux),
+
+ SND_SOC_DAPM_SUPPLY("LDO2", WM8995_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
+
+ SND_SOC_DAPM_OUTPUT("HP1L"),
+ SND_SOC_DAPM_OUTPUT("HP1R"),
+ SND_SOC_DAPM_OUTPUT("SPK1L"),
+ SND_SOC_DAPM_OUTPUT("SPK1R"),
+ SND_SOC_DAPM_OUTPUT("SPK2L"),
+ SND_SOC_DAPM_OUTPUT("SPK2R")
+};
+
+static const struct snd_soc_dapm_route wm8995_intercon[] = {
+ { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
+ { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
+
+ { "DSP1CLK", NULL, "CLK_SYS" },
+ { "DSP2CLK", NULL, "CLK_SYS" },
+ { "SYSDSPCLK", NULL, "CLK_SYS" },
+
+ { "AIF1ADC1L", NULL, "AIF1CLK" },
+ { "AIF1ADC1L", NULL, "DSP1CLK" },
+ { "AIF1ADC1R", NULL, "AIF1CLK" },
+ { "AIF1ADC1R", NULL, "DSP1CLK" },
+ { "AIF1ADC1R", NULL, "SYSDSPCLK" },
+
+ { "AIF1ADC2L", NULL, "AIF1CLK" },
+ { "AIF1ADC2L", NULL, "DSP1CLK" },
+ { "AIF1ADC2R", NULL, "AIF1CLK" },
+ { "AIF1ADC2R", NULL, "DSP1CLK" },
+ { "AIF1ADC2R", NULL, "SYSDSPCLK" },
+
+ { "DMIC1L", NULL, "DMIC1DAT" },
+ { "DMIC1L", NULL, "CLK_SYS" },
+ { "DMIC1R", NULL, "DMIC1DAT" },
+ { "DMIC1R", NULL, "CLK_SYS" },
+ { "DMIC2L", NULL, "DMIC2DAT" },
+ { "DMIC2L", NULL, "CLK_SYS" },
+ { "DMIC2R", NULL, "DMIC2DAT" },
+ { "DMIC2R", NULL, "CLK_SYS" },
+
+ { "ADCL", NULL, "AIF1CLK" },
+ { "ADCL", NULL, "DSP1CLK" },
+ { "ADCL", NULL, "SYSDSPCLK" },
+
+ { "ADCR", NULL, "AIF1CLK" },
+ { "ADCR", NULL, "DSP1CLK" },
+ { "ADCR", NULL, "SYSDSPCLK" },
+
+ { "IN1L PGA", "IN1L Switch", "IN1L" },
+ { "IN1R PGA", "IN1R Switch", "IN1R" },
+ { "IN1L PGA", NULL, "LDO2" },
+ { "IN1R PGA", NULL, "LDO2" },
+
+ { "ADCL", NULL, "IN1L PGA" },
+ { "ADCR", NULL, "IN1R PGA" },
+
+ { "ADCL Mux", "ADC", "ADCL" },
+ { "ADCL Mux", "DMIC", "DMIC1L" },
+ { "ADCR Mux", "ADC", "ADCR" },
+ { "ADCR Mux", "DMIC", "DMIC1R" },
+
+ /* AIF1 outputs */
+ { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
+ { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
+
+ { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
+ { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
+
+ { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
+ { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
+
+ { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
+ { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
+
+ /* Sidetone */
+ { "Left Sidetone", "ADC/DMIC1", "AIF1ADC1L" },
+ { "Left Sidetone", "DMIC2", "AIF1ADC2L" },
+ { "Right Sidetone", "ADC/DMIC1", "AIF1ADC1R" },
+ { "Right Sidetone", "DMIC2", "AIF1ADC2R" },
+
+ { "AIF1DAC1L", NULL, "AIF1CLK" },
+ { "AIF1DAC1L", NULL, "DSP1CLK" },
+ { "AIF1DAC1R", NULL, "AIF1CLK" },
+ { "AIF1DAC1R", NULL, "DSP1CLK" },
+ { "AIF1DAC1R", NULL, "SYSDSPCLK" },
+
+ { "AIF1DAC2L", NULL, "AIF1CLK" },
+ { "AIF1DAC2L", NULL, "DSP1CLK" },
+ { "AIF1DAC2R", NULL, "AIF1CLK" },
+ { "AIF1DAC2R", NULL, "DSP1CLK" },
+ { "AIF1DAC2R", NULL, "SYSDSPCLK" },
+
+ { "DAC1L", NULL, "AIF1CLK" },
+ { "DAC1L", NULL, "DSP1CLK" },
+ { "DAC1L", NULL, "SYSDSPCLK" },
+
+ { "DAC1R", NULL, "AIF1CLK" },
+ { "DAC1R", NULL, "DSP1CLK" },
+ { "DAC1R", NULL, "SYSDSPCLK" },
+
+ { "AIF1DAC1L", NULL, "AIF1DACDAT" },
+ { "AIF1DAC1R", NULL, "AIF1DACDAT" },
+ { "AIF1DAC2L", NULL, "AIF1DACDAT" },
+ { "AIF1DAC2R", NULL, "AIF1DACDAT" },
+
+ /* DAC1 inputs */
+ { "DAC1L", NULL, "DAC1L Mixer" },
+ { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
+ { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
+ { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
+ { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
+
+ { "DAC1R", NULL, "DAC1R Mixer" },
+ { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
+ { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
+ { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
+ { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
+
+ /* DAC2/AIF2 outputs */
+ { "DAC2L", NULL, "AIF2DAC2L Mixer" },
+ { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
+ { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
+
+ { "DAC2R", NULL, "AIF2DAC2R Mixer" },
+ { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
+ { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
+
+ /* Output stages */
+ { "Headphone PGA", NULL, "DAC1L" },
+ { "Headphone PGA", NULL, "DAC1R" },
+
+ { "Headphone PGA", NULL, "DAC2L" },
+ { "Headphone PGA", NULL, "DAC2R" },
+
+ { "Headphone PGA", NULL, "Headphone Supply" },
+ { "Headphone PGA", NULL, "CLK_SYS" },
+ { "Headphone PGA", NULL, "LDO2" },
+
+ { "HP1L", NULL, "Headphone PGA" },
+ { "HP1R", NULL, "Headphone PGA" },
+
+ { "SPK1L Driver", "DAC1L", "DAC1L" },
+ { "SPK1L Driver", "DAC1R", "DAC1R" },
+ { "SPK1L Driver", "DAC2L", "DAC2L" },
+ { "SPK1L Driver", "DAC2R", "DAC2R" },
+ { "SPK1L Driver", NULL, "CLK_SYS" },
+
+ { "SPK1R Driver", "DAC1L", "DAC1L" },
+ { "SPK1R Driver", "DAC1R", "DAC1R" },
+ { "SPK1R Driver", "DAC2L", "DAC2L" },
+ { "SPK1R Driver", "DAC2R", "DAC2R" },
+ { "SPK1R Driver", NULL, "CLK_SYS" },
+
+ { "SPK2L Driver", "DAC1L", "DAC1L" },
+ { "SPK2L Driver", "DAC1R", "DAC1R" },
+ { "SPK2L Driver", "DAC2L", "DAC2L" },
+ { "SPK2L Driver", "DAC2R", "DAC2R" },
+ { "SPK2L Driver", NULL, "CLK_SYS" },
+
+ { "SPK2R Driver", "DAC1L", "DAC1L" },
+ { "SPK2R Driver", "DAC1R", "DAC1R" },
+ { "SPK2R Driver", "DAC2L", "DAC2L" },
+ { "SPK2R Driver", "DAC2R", "DAC2R" },
+ { "SPK2R Driver", NULL, "CLK_SYS" },
+
+ { "SPK1L", NULL, "SPK1L Driver" },
+ { "SPK1R", NULL, "SPK1R Driver" },
+ { "SPK2L", NULL, "SPK2L Driver" },
+ { "SPK2R", NULL, "SPK2R Driver" }
+};
+
+static bool wm8995_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8995_SOFTWARE_RESET:
+ case WM8995_POWER_MANAGEMENT_1:
+ case WM8995_POWER_MANAGEMENT_2:
+ case WM8995_POWER_MANAGEMENT_3:
+ case WM8995_POWER_MANAGEMENT_4:
+ case WM8995_POWER_MANAGEMENT_5:
+ case WM8995_LEFT_LINE_INPUT_1_VOLUME:
+ case WM8995_RIGHT_LINE_INPUT_1_VOLUME:
+ case WM8995_LEFT_LINE_INPUT_CONTROL:
+ case WM8995_DAC1_LEFT_VOLUME:
+ case WM8995_DAC1_RIGHT_VOLUME:
+ case WM8995_DAC2_LEFT_VOLUME:
+ case WM8995_DAC2_RIGHT_VOLUME:
+ case WM8995_OUTPUT_VOLUME_ZC_1:
+ case WM8995_MICBIAS_1:
+ case WM8995_MICBIAS_2:
+ case WM8995_LDO_1:
+ case WM8995_LDO_2:
+ case WM8995_ACCESSORY_DETECT_MODE1:
+ case WM8995_ACCESSORY_DETECT_MODE2:
+ case WM8995_HEADPHONE_DETECT1:
+ case WM8995_HEADPHONE_DETECT2:
+ case WM8995_MIC_DETECT_1:
+ case WM8995_MIC_DETECT_2:
+ case WM8995_CHARGE_PUMP_1:
+ case WM8995_CLASS_W_1:
+ case WM8995_DC_SERVO_1:
+ case WM8995_DC_SERVO_2:
+ case WM8995_DC_SERVO_3:
+ case WM8995_DC_SERVO_5:
+ case WM8995_DC_SERVO_6:
+ case WM8995_DC_SERVO_7:
+ case WM8995_DC_SERVO_READBACK_0:
+ case WM8995_ANALOGUE_HP_1:
+ case WM8995_ANALOGUE_HP_2:
+ case WM8995_CHIP_REVISION:
+ case WM8995_CONTROL_INTERFACE_1:
+ case WM8995_CONTROL_INTERFACE_2:
+ case WM8995_WRITE_SEQUENCER_CTRL_1:
+ case WM8995_WRITE_SEQUENCER_CTRL_2:
+ case WM8995_AIF1_CLOCKING_1:
+ case WM8995_AIF1_CLOCKING_2:
+ case WM8995_AIF2_CLOCKING_1:
+ case WM8995_AIF2_CLOCKING_2:
+ case WM8995_CLOCKING_1:
+ case WM8995_CLOCKING_2:
+ case WM8995_AIF1_RATE:
+ case WM8995_AIF2_RATE:
+ case WM8995_RATE_STATUS:
+ case WM8995_FLL1_CONTROL_1:
+ case WM8995_FLL1_CONTROL_2:
+ case WM8995_FLL1_CONTROL_3:
+ case WM8995_FLL1_CONTROL_4:
+ case WM8995_FLL1_CONTROL_5:
+ case WM8995_FLL2_CONTROL_1:
+ case WM8995_FLL2_CONTROL_2:
+ case WM8995_FLL2_CONTROL_3:
+ case WM8995_FLL2_CONTROL_4:
+ case WM8995_FLL2_CONTROL_5:
+ case WM8995_AIF1_CONTROL_1:
+ case WM8995_AIF1_CONTROL_2:
+ case WM8995_AIF1_MASTER_SLAVE:
+ case WM8995_AIF1_BCLK:
+ case WM8995_AIF1ADC_LRCLK:
+ case WM8995_AIF1DAC_LRCLK:
+ case WM8995_AIF1DAC_DATA:
+ case WM8995_AIF1ADC_DATA:
+ case WM8995_AIF2_CONTROL_1:
+ case WM8995_AIF2_CONTROL_2:
+ case WM8995_AIF2_MASTER_SLAVE:
+ case WM8995_AIF2_BCLK:
+ case WM8995_AIF2ADC_LRCLK:
+ case WM8995_AIF2DAC_LRCLK:
+ case WM8995_AIF2DAC_DATA:
+ case WM8995_AIF2ADC_DATA:
+ case WM8995_AIF1_ADC1_LEFT_VOLUME:
+ case WM8995_AIF1_ADC1_RIGHT_VOLUME:
+ case WM8995_AIF1_DAC1_LEFT_VOLUME:
+ case WM8995_AIF1_DAC1_RIGHT_VOLUME:
+ case WM8995_AIF1_ADC2_LEFT_VOLUME:
+ case WM8995_AIF1_ADC2_RIGHT_VOLUME:
+ case WM8995_AIF1_DAC2_LEFT_VOLUME:
+ case WM8995_AIF1_DAC2_RIGHT_VOLUME:
+ case WM8995_AIF1_ADC1_FILTERS:
+ case WM8995_AIF1_ADC2_FILTERS:
+ case WM8995_AIF1_DAC1_FILTERS_1:
+ case WM8995_AIF1_DAC1_FILTERS_2:
+ case WM8995_AIF1_DAC2_FILTERS_1:
+ case WM8995_AIF1_DAC2_FILTERS_2:
+ case WM8995_AIF1_DRC1_1:
+ case WM8995_AIF1_DRC1_2:
+ case WM8995_AIF1_DRC1_3:
+ case WM8995_AIF1_DRC1_4:
+ case WM8995_AIF1_DRC1_5:
+ case WM8995_AIF1_DRC2_1:
+ case WM8995_AIF1_DRC2_2:
+ case WM8995_AIF1_DRC2_3:
+ case WM8995_AIF1_DRC2_4:
+ case WM8995_AIF1_DRC2_5:
+ case WM8995_AIF1_DAC1_EQ_GAINS_1:
+ case WM8995_AIF1_DAC1_EQ_GAINS_2:
+ case WM8995_AIF1_DAC1_EQ_BAND_1_A:
+ case WM8995_AIF1_DAC1_EQ_BAND_1_B:
+ case WM8995_AIF1_DAC1_EQ_BAND_1_PG:
+ case WM8995_AIF1_DAC1_EQ_BAND_2_A:
+ case WM8995_AIF1_DAC1_EQ_BAND_2_B:
+ case WM8995_AIF1_DAC1_EQ_BAND_2_C:
+ case WM8995_AIF1_DAC1_EQ_BAND_2_PG:
+ case WM8995_AIF1_DAC1_EQ_BAND_3_A:
+ case WM8995_AIF1_DAC1_EQ_BAND_3_B:
+ case WM8995_AIF1_DAC1_EQ_BAND_3_C:
+ case WM8995_AIF1_DAC1_EQ_BAND_3_PG:
+ case WM8995_AIF1_DAC1_EQ_BAND_4_A:
+ case WM8995_AIF1_DAC1_EQ_BAND_4_B:
+ case WM8995_AIF1_DAC1_EQ_BAND_4_C:
+ case WM8995_AIF1_DAC1_EQ_BAND_4_PG:
+ case WM8995_AIF1_DAC1_EQ_BAND_5_A:
+ case WM8995_AIF1_DAC1_EQ_BAND_5_B:
+ case WM8995_AIF1_DAC1_EQ_BAND_5_PG:
+ case WM8995_AIF1_DAC2_EQ_GAINS_1:
+ case WM8995_AIF1_DAC2_EQ_GAINS_2:
+ case WM8995_AIF1_DAC2_EQ_BAND_1_A:
+ case WM8995_AIF1_DAC2_EQ_BAND_1_B:
+ case WM8995_AIF1_DAC2_EQ_BAND_1_PG:
+ case WM8995_AIF1_DAC2_EQ_BAND_2_A:
+ case WM8995_AIF1_DAC2_EQ_BAND_2_B:
+ case WM8995_AIF1_DAC2_EQ_BAND_2_C:
+ case WM8995_AIF1_DAC2_EQ_BAND_2_PG:
+ case WM8995_AIF1_DAC2_EQ_BAND_3_A:
+ case WM8995_AIF1_DAC2_EQ_BAND_3_B:
+ case WM8995_AIF1_DAC2_EQ_BAND_3_C:
+ case WM8995_AIF1_DAC2_EQ_BAND_3_PG:
+ case WM8995_AIF1_DAC2_EQ_BAND_4_A:
+ case WM8995_AIF1_DAC2_EQ_BAND_4_B:
+ case WM8995_AIF1_DAC2_EQ_BAND_4_C:
+ case WM8995_AIF1_DAC2_EQ_BAND_4_PG:
+ case WM8995_AIF1_DAC2_EQ_BAND_5_A:
+ case WM8995_AIF1_DAC2_EQ_BAND_5_B:
+ case WM8995_AIF1_DAC2_EQ_BAND_5_PG:
+ case WM8995_AIF2_ADC_LEFT_VOLUME:
+ case WM8995_AIF2_ADC_RIGHT_VOLUME:
+ case WM8995_AIF2_DAC_LEFT_VOLUME:
+ case WM8995_AIF2_DAC_RIGHT_VOLUME:
+ case WM8995_AIF2_ADC_FILTERS:
+ case WM8995_AIF2_DAC_FILTERS_1:
+ case WM8995_AIF2_DAC_FILTERS_2:
+ case WM8995_AIF2_DRC_1:
+ case WM8995_AIF2_DRC_2:
+ case WM8995_AIF2_DRC_3:
+ case WM8995_AIF2_DRC_4:
+ case WM8995_AIF2_DRC_5:
+ case WM8995_AIF2_EQ_GAINS_1:
+ case WM8995_AIF2_EQ_GAINS_2:
+ case WM8995_AIF2_EQ_BAND_1_A:
+ case WM8995_AIF2_EQ_BAND_1_B:
+ case WM8995_AIF2_EQ_BAND_1_PG:
+ case WM8995_AIF2_EQ_BAND_2_A:
+ case WM8995_AIF2_EQ_BAND_2_B:
+ case WM8995_AIF2_EQ_BAND_2_C:
+ case WM8995_AIF2_EQ_BAND_2_PG:
+ case WM8995_AIF2_EQ_BAND_3_A:
+ case WM8995_AIF2_EQ_BAND_3_B:
+ case WM8995_AIF2_EQ_BAND_3_C:
+ case WM8995_AIF2_EQ_BAND_3_PG:
+ case WM8995_AIF2_EQ_BAND_4_A:
+ case WM8995_AIF2_EQ_BAND_4_B:
+ case WM8995_AIF2_EQ_BAND_4_C:
+ case WM8995_AIF2_EQ_BAND_4_PG:
+ case WM8995_AIF2_EQ_BAND_5_A:
+ case WM8995_AIF2_EQ_BAND_5_B:
+ case WM8995_AIF2_EQ_BAND_5_PG:
+ case WM8995_DAC1_MIXER_VOLUMES:
+ case WM8995_DAC1_LEFT_MIXER_ROUTING:
+ case WM8995_DAC1_RIGHT_MIXER_ROUTING:
+ case WM8995_DAC2_MIXER_VOLUMES:
+ case WM8995_DAC2_LEFT_MIXER_ROUTING:
+ case WM8995_DAC2_RIGHT_MIXER_ROUTING:
+ case WM8995_AIF1_ADC1_LEFT_MIXER_ROUTING:
+ case WM8995_AIF1_ADC1_RIGHT_MIXER_ROUTING:
+ case WM8995_AIF1_ADC2_LEFT_MIXER_ROUTING:
+ case WM8995_AIF1_ADC2_RIGHT_MIXER_ROUTING:
+ case WM8995_DAC_SOFTMUTE:
+ case WM8995_OVERSAMPLING:
+ case WM8995_SIDETONE:
+ case WM8995_GPIO_1:
+ case WM8995_GPIO_2:
+ case WM8995_GPIO_3:
+ case WM8995_GPIO_4:
+ case WM8995_GPIO_5:
+ case WM8995_GPIO_6:
+ case WM8995_GPIO_7:
+ case WM8995_GPIO_8:
+ case WM8995_GPIO_9:
+ case WM8995_GPIO_10:
+ case WM8995_GPIO_11:
+ case WM8995_GPIO_12:
+ case WM8995_GPIO_13:
+ case WM8995_GPIO_14:
+ case WM8995_PULL_CONTROL_1:
+ case WM8995_PULL_CONTROL_2:
+ case WM8995_INTERRUPT_STATUS_1:
+ case WM8995_INTERRUPT_STATUS_2:
+ case WM8995_INTERRUPT_RAW_STATUS_2:
+ case WM8995_INTERRUPT_STATUS_1_MASK:
+ case WM8995_INTERRUPT_STATUS_2_MASK:
+ case WM8995_INTERRUPT_CONTROL:
+ case WM8995_LEFT_PDM_SPEAKER_1:
+ case WM8995_RIGHT_PDM_SPEAKER_1:
+ case WM8995_PDM_SPEAKER_1_MUTE_SEQUENCE:
+ case WM8995_LEFT_PDM_SPEAKER_2:
+ case WM8995_RIGHT_PDM_SPEAKER_2:
+ case WM8995_PDM_SPEAKER_2_MUTE_SEQUENCE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool wm8995_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8995_SOFTWARE_RESET:
+ case WM8995_DC_SERVO_READBACK_0:
+ case WM8995_INTERRUPT_STATUS_1:
+ case WM8995_INTERRUPT_STATUS_2:
+ case WM8995_INTERRUPT_CONTROL:
+ case WM8995_ACCESSORY_DETECT_MODE1:
+ case WM8995_ACCESSORY_DETECT_MODE2:
+ case WM8995_HEADPHONE_DETECT1:
+ case WM8995_HEADPHONE_DETECT2:
+ case WM8995_RATE_STATUS:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int wm8995_aif_mute(struct snd_soc_dai *dai, int mute)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int mute_reg;
+
+ switch (dai->id) {
+ case 0:
+ mute_reg = WM8995_AIF1_DAC1_FILTERS_1;
+ break;
+ case 1:
+ mute_reg = WM8995_AIF2_DAC_FILTERS_1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, mute_reg, WM8995_AIF1DAC1_MUTE_MASK,
+ !!mute << WM8995_AIF1DAC1_MUTE_SHIFT);
+ return 0;
+}
+
+static int wm8995_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+ struct snd_soc_codec *codec;
+ int master;
+ int aif;
+
+ codec = dai->codec;
+
+ master = 0;
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ break;
+ case SND_SOC_DAIFMT_CBM_CFM:
+ master = WM8995_AIF1_MSTR;
+ break;
+ default:
+ dev_err(dai->dev, "Unknown master/slave configuration\n");
+ return -EINVAL;
+ }
+
+ aif = 0;
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_B:
+ aif |= WM8995_AIF1_LRCLK_INV;
+ case SND_SOC_DAIFMT_DSP_A:
+ aif |= (0x3 << WM8995_AIF1_FMT_SHIFT);
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ aif |= (0x2 << WM8995_AIF1_FMT_SHIFT);
+ break;
+ case SND_SOC_DAIFMT_RIGHT_J:
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ aif |= (0x1 << WM8995_AIF1_FMT_SHIFT);
+ break;
+ default:
+ dev_err(dai->dev, "Unknown dai format\n");
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ case SND_SOC_DAIFMT_DSP_B:
+ /* frame inversion not valid for DSP modes */
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif |= WM8995_AIF1_BCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+
+ case SND_SOC_DAIFMT_I2S:
+ case SND_SOC_DAIFMT_RIGHT_J:
+ case SND_SOC_DAIFMT_LEFT_J:
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ aif |= WM8995_AIF1_BCLK_INV | WM8995_AIF1_LRCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ aif |= WM8995_AIF1_BCLK_INV;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ aif |= WM8995_AIF1_LRCLK_INV;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ snd_soc_update_bits(codec, WM8995_AIF1_CONTROL_1,
+ WM8995_AIF1_BCLK_INV_MASK |
+ WM8995_AIF1_LRCLK_INV_MASK |
+ WM8995_AIF1_FMT_MASK, aif);
+ snd_soc_update_bits(codec, WM8995_AIF1_MASTER_SLAVE,
+ WM8995_AIF1_MSTR_MASK, master);
+ return 0;
+}
+
+static const int srs[] = {
+ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100,
+ 48000, 88200, 96000
+};
+
+static const int fs_ratios[] = {
+ -1 /* reserved */,
+ 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
+};
+
+static const int bclk_divs[] = {
+ 10, 15, 20, 30, 40, 55, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480
+};
+
+static int wm8995_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec;
+ struct wm8995_priv *wm8995;
+ int aif1_reg;
+ int bclk_reg;
+ int lrclk_reg;
+ int rate_reg;
+ int bclk_rate;
+ int aif1;
+ int lrclk, bclk;
+ int i, rate_val, best, best_val, cur_val;
+
+ codec = dai->codec;
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ switch (dai->id) {
+ case 0:
+ aif1_reg = WM8995_AIF1_CONTROL_1;
+ bclk_reg = WM8995_AIF1_BCLK;
+ rate_reg = WM8995_AIF1_RATE;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
+ wm8995->lrclk_shared[0] */) {
+ lrclk_reg = WM8995_AIF1DAC_LRCLK;
+ } else {
+ lrclk_reg = WM8995_AIF1ADC_LRCLK;
+ dev_dbg(codec->dev, "AIF1 using split LRCLK\n");
+ }
+ break;
+ case 1:
+ aif1_reg = WM8995_AIF2_CONTROL_1;
+ bclk_reg = WM8995_AIF2_BCLK;
+ rate_reg = WM8995_AIF2_RATE;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK /* ||
+ wm8995->lrclk_shared[1] */) {
+ lrclk_reg = WM8995_AIF2DAC_LRCLK;
+ } else {
+ lrclk_reg = WM8995_AIF2ADC_LRCLK;
+ dev_dbg(codec->dev, "AIF2 using split LRCLK\n");
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ bclk_rate = snd_soc_params_to_bclk(params);
+ if (bclk_rate < 0)
+ return bclk_rate;
+
+ aif1 = 0;
+ switch (params_width(params)) {
+ case 16:
+ break;
+ case 20:
+ aif1 |= (0x1 << WM8995_AIF1_WL_SHIFT);
+ break;
+ case 24:
+ aif1 |= (0x2 << WM8995_AIF1_WL_SHIFT);
+ break;
+ case 32:
+ aif1 |= (0x3 << WM8995_AIF1_WL_SHIFT);
+ break;
+ default:
+ dev_err(dai->dev, "Unsupported word length %u\n",
+ params_width(params));
+ return -EINVAL;
+ }
+
+ /* try to find a suitable sample rate */
+ for (i = 0; i < ARRAY_SIZE(srs); ++i)
+ if (srs[i] == params_rate(params))
+ break;
+ if (i == ARRAY_SIZE(srs)) {
+ dev_err(dai->dev, "Sample rate %d is not supported\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+ rate_val = i << WM8995_AIF1_SR_SHIFT;
+
+ dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i]);
+ dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
+ dai->id + 1, wm8995->aifclk[dai->id], bclk_rate);
+
+ /* AIFCLK/fs ratio; look for a close match in either direction */
+ best = 1;
+ best_val = abs((fs_ratios[1] * params_rate(params))
+ - wm8995->aifclk[dai->id]);
+ for (i = 2; i < ARRAY_SIZE(fs_ratios); i++) {
+ cur_val = abs((fs_ratios[i] * params_rate(params))
+ - wm8995->aifclk[dai->id]);
+ if (cur_val >= best_val)
+ continue;
+ best = i;
+ best_val = cur_val;
+ }
+ rate_val |= best;
+
+ dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
+ dai->id + 1, fs_ratios[best]);
+
+ /*
+ * We may not get quite the right frequency if using
+ * approximate clocks so look for the closest match that is
+ * higher than the target (we need to ensure that there enough
+ * BCLKs to clock out the samples).
+ */
+ best = 0;
+ bclk = 0;
+ for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
+ cur_val = (wm8995->aifclk[dai->id] * 10 / bclk_divs[i]) - bclk_rate;
+ if (cur_val < 0) /* BCLK table is sorted */
+ break;
+ best = i;
+ }
+ bclk |= best << WM8995_AIF1_BCLK_DIV_SHIFT;
+
+ bclk_rate = wm8995->aifclk[dai->id] * 10 / bclk_divs[best];
+ dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
+ bclk_divs[best], bclk_rate);
+
+ lrclk = bclk_rate / params_rate(params);
+ dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
+ lrclk, bclk_rate / lrclk);
+
+ snd_soc_update_bits(codec, aif1_reg,
+ WM8995_AIF1_WL_MASK, aif1);
+ snd_soc_update_bits(codec, bclk_reg,
+ WM8995_AIF1_BCLK_DIV_MASK, bclk);
+ snd_soc_update_bits(codec, lrclk_reg,
+ WM8995_AIF1DAC_RATE_MASK, lrclk);
+ snd_soc_update_bits(codec, rate_reg,
+ WM8995_AIF1_SR_MASK |
+ WM8995_AIF1CLK_RATE_MASK, rate_val);
+ return 0;
+}
+
+static int wm8995_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
+{
+ struct snd_soc_codec *codec = codec_dai->codec;
+ int reg, val, mask;
+
+ switch (codec_dai->id) {
+ case 0:
+ reg = WM8995_AIF1_MASTER_SLAVE;
+ mask = WM8995_AIF1_TRI;
+ break;
+ case 1:
+ reg = WM8995_AIF2_MASTER_SLAVE;
+ mask = WM8995_AIF2_TRI;
+ break;
+ case 2:
+ reg = WM8995_POWER_MANAGEMENT_5;
+ mask = WM8995_AIF3_TRI;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (tristate)
+ val = mask;
+ else
+ val = 0;
+
+ return snd_soc_update_bits(codec, reg, mask, val);
+}
+
+/* The size in bits of the FLL divide multiplied by 10
+ * to allow rounding later */
+#define FIXED_FLL_SIZE ((1 << 16) * 10)
+
+struct fll_div {
+ u16 outdiv;
+ u16 n;
+ u16 k;
+ u16 clk_ref_div;
+ u16 fll_fratio;
+};
+
+static int wm8995_get_fll_config(struct fll_div *fll,
+ int freq_in, int freq_out)
+{
+ u64 Kpart;
+ unsigned int K, Ndiv, Nmod;
+
+ pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
+
+ /* Scale the input frequency down to <= 13.5MHz */
+ fll->clk_ref_div = 0;
+ while (freq_in > 13500000) {
+ fll->clk_ref_div++;
+ freq_in /= 2;
+
+ if (fll->clk_ref_div > 3)
+ return -EINVAL;
+ }
+ pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
+
+ /* Scale the output to give 90MHz<=Fvco<=100MHz */
+ fll->outdiv = 3;
+ while (freq_out * (fll->outdiv + 1) < 90000000) {
+ fll->outdiv++;
+ if (fll->outdiv > 63)
+ return -EINVAL;
+ }
+ freq_out *= fll->outdiv + 1;
+ pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
+
+ if (freq_in > 1000000) {
+ fll->fll_fratio = 0;
+ } else if (freq_in > 256000) {
+ fll->fll_fratio = 1;
+ freq_in *= 2;
+ } else if (freq_in > 128000) {
+ fll->fll_fratio = 2;
+ freq_in *= 4;
+ } else if (freq_in > 64000) {
+ fll->fll_fratio = 3;
+ freq_in *= 8;
+ } else {
+ fll->fll_fratio = 4;
+ freq_in *= 16;
+ }
+ pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
+
+ /* Now, calculate N.K */
+ Ndiv = freq_out / freq_in;
+
+ fll->n = Ndiv;
+ Nmod = freq_out % freq_in;
+ pr_debug("Nmod=%d\n", Nmod);
+
+ /* Calculate fractional part - scale up so we can round. */
+ Kpart = FIXED_FLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, freq_in);
+
+ K = Kpart & 0xFFFFFFFF;
+
+ if ((K % 10) >= 5)
+ K += 5;
+
+ /* Move down to proper range now rounding is done */
+ fll->k = K / 10;
+
+ pr_debug("N=%x K=%x\n", fll->n, fll->k);
+
+ return 0;
+}
+
+static int wm8995_set_fll(struct snd_soc_dai *dai, int id,
+ int src, unsigned int freq_in,
+ unsigned int freq_out)
+{
+ struct snd_soc_codec *codec;
+ struct wm8995_priv *wm8995;
+ int reg_offset, ret;
+ struct fll_div fll;
+ u16 reg, aif1, aif2;
+
+ codec = dai->codec;
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ aif1 = snd_soc_read(codec, WM8995_AIF1_CLOCKING_1)
+ & WM8995_AIF1CLK_ENA;
+
+ aif2 = snd_soc_read(codec, WM8995_AIF2_CLOCKING_1)
+ & WM8995_AIF2CLK_ENA;
+
+ switch (id) {
+ case WM8995_FLL1:
+ reg_offset = 0;
+ id = 0;
+ break;
+ case WM8995_FLL2:
+ reg_offset = 0x20;
+ id = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (src) {
+ case 0:
+ /* Allow no source specification when stopping */
+ if (freq_out)
+ return -EINVAL;
+ break;
+ case WM8995_FLL_SRC_MCLK1:
+ case WM8995_FLL_SRC_MCLK2:
+ case WM8995_FLL_SRC_LRCLK:
+ case WM8995_FLL_SRC_BCLK:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Are we changing anything? */
+ if (wm8995->fll[id].src == src &&
+ wm8995->fll[id].in == freq_in && wm8995->fll[id].out == freq_out)
+ return 0;
+
+ /* If we're stopping the FLL redo the old config - no
+ * registers will actually be written but we avoid GCC flow
+ * analysis bugs spewing warnings.
+ */
+ if (freq_out)
+ ret = wm8995_get_fll_config(&fll, freq_in, freq_out);
+ else
+ ret = wm8995_get_fll_config(&fll, wm8995->fll[id].in,
+ wm8995->fll[id].out);
+ if (ret < 0)
+ return ret;
+
+ /* Gate the AIF clocks while we reclock */
+ snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
+ WM8995_AIF1CLK_ENA_MASK, 0);
+ snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
+ WM8995_AIF2CLK_ENA_MASK, 0);
+
+ /* We always need to disable the FLL while reconfiguring */
+ snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
+ WM8995_FLL1_ENA_MASK, 0);
+
+ reg = (fll.outdiv << WM8995_FLL1_OUTDIV_SHIFT) |
+ (fll.fll_fratio << WM8995_FLL1_FRATIO_SHIFT);
+ snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_2 + reg_offset,
+ WM8995_FLL1_OUTDIV_MASK |
+ WM8995_FLL1_FRATIO_MASK, reg);
+
+ snd_soc_write(codec, WM8995_FLL1_CONTROL_3 + reg_offset, fll.k);
+
+ snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_4 + reg_offset,
+ WM8995_FLL1_N_MASK,
+ fll.n << WM8995_FLL1_N_SHIFT);
+
+ snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_5 + reg_offset,
+ WM8995_FLL1_REFCLK_DIV_MASK |
+ WM8995_FLL1_REFCLK_SRC_MASK,
+ (fll.clk_ref_div << WM8995_FLL1_REFCLK_DIV_SHIFT) |
+ (src - 1));
+
+ if (freq_out)
+ snd_soc_update_bits(codec, WM8995_FLL1_CONTROL_1 + reg_offset,
+ WM8995_FLL1_ENA_MASK, WM8995_FLL1_ENA);
+
+ wm8995->fll[id].in = freq_in;
+ wm8995->fll[id].out = freq_out;
+ wm8995->fll[id].src = src;
+
+ /* Enable any gated AIF clocks */
+ snd_soc_update_bits(codec, WM8995_AIF1_CLOCKING_1,
+ WM8995_AIF1CLK_ENA_MASK, aif1);
+ snd_soc_update_bits(codec, WM8995_AIF2_CLOCKING_1,
+ WM8995_AIF2CLK_ENA_MASK, aif2);
+
+ configure_clock(codec);
+
+ return 0;
+}
+
+static int wm8995_set_dai_sysclk(struct snd_soc_dai *dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ struct snd_soc_codec *codec;
+ struct wm8995_priv *wm8995;
+
+ codec = dai->codec;
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ switch (dai->id) {
+ case 0:
+ case 1:
+ break;
+ default:
+ /* AIF3 shares clocking with AIF1/2 */
+ return -EINVAL;
+ }
+
+ switch (clk_id) {
+ case WM8995_SYSCLK_MCLK1:
+ wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
+ wm8995->mclk[0] = freq;
+ dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
+ dai->id + 1, freq);
+ break;
+ case WM8995_SYSCLK_MCLK2:
+ wm8995->sysclk[dai->id] = WM8995_SYSCLK_MCLK1;
+ wm8995->mclk[1] = freq;
+ dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
+ dai->id + 1, freq);
+ break;
+ case WM8995_SYSCLK_FLL1:
+ wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL1;
+ dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id + 1);
+ break;
+ case WM8995_SYSCLK_FLL2:
+ wm8995->sysclk[dai->id] = WM8995_SYSCLK_FLL2;
+ dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id + 1);
+ break;
+ case WM8995_SYSCLK_OPCLK:
+ default:
+ dev_err(dai->dev, "Unknown clock source %d\n", clk_id);
+ return -EINVAL;
+ }
+
+ configure_clock(codec);
+
+ return 0;
+}
+
+static int wm8995_set_bias_level(struct snd_soc_codec *codec,
+ enum snd_soc_bias_level level)
+{
+ struct wm8995_priv *wm8995;
+ int ret;
+
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+ switch (level) {
+ case SND_SOC_BIAS_ON:
+ case SND_SOC_BIAS_PREPARE:
+ break;
+ case SND_SOC_BIAS_STANDBY:
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret)
+ return ret;
+
+ ret = regcache_sync(wm8995->regmap);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to sync cache: %d\n", ret);
+ return ret;
+ }
+
+ snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
+ WM8995_BG_ENA_MASK, WM8995_BG_ENA);
+ }
+ break;
+ case SND_SOC_BIAS_OFF:
+ snd_soc_update_bits(codec, WM8995_POWER_MANAGEMENT_1,
+ WM8995_BG_ENA_MASK, 0);
+ regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ break;
+ }
+
+ codec->dapm.bias_level = level;
+ return 0;
+}
+
+static int wm8995_remove(struct snd_soc_codec *codec)
+{
+ struct wm8995_priv *wm8995;
+ int i;
+
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+
+ for (i = 0; i < ARRAY_SIZE(wm8995->supplies); ++i)
+ regulator_unregister_notifier(wm8995->supplies[i].consumer,
+ &wm8995->disable_nb[i]);
+
+ regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
+ return 0;
+}
+
+static int wm8995_probe(struct snd_soc_codec *codec)
+{
+ struct wm8995_priv *wm8995;
+ int i;
+ int ret;
+
+ wm8995 = snd_soc_codec_get_drvdata(codec);
+ wm8995->codec = codec;
+
+ for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++)
+ wm8995->supplies[i].supply = wm8995_supply_names[i];
+
+ ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret) {
+ dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
+ wm8995->disable_nb[0].notifier_call = wm8995_regulator_event_0;
+ wm8995->disable_nb[1].notifier_call = wm8995_regulator_event_1;
+ wm8995->disable_nb[2].notifier_call = wm8995_regulator_event_2;
+ wm8995->disable_nb[3].notifier_call = wm8995_regulator_event_3;
+ wm8995->disable_nb[4].notifier_call = wm8995_regulator_event_4;
+ wm8995->disable_nb[5].notifier_call = wm8995_regulator_event_5;
+ wm8995->disable_nb[6].notifier_call = wm8995_regulator_event_6;
+ wm8995->disable_nb[7].notifier_call = wm8995_regulator_event_7;
+
+ /* This should really be moved into the regulator core */
+ for (i = 0; i < ARRAY_SIZE(wm8995->supplies); i++) {
+ ret = regulator_register_notifier(wm8995->supplies[i].consumer,
+ &wm8995->disable_nb[i]);
+ if (ret) {
+ dev_err(codec->dev,
+ "Failed to register regulator notifier: %d\n",
+ ret);
+ }
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8995->supplies),
+ wm8995->supplies);
+ if (ret) {
+ dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
+ goto err_reg_get;
+ }
+
+ ret = snd_soc_read(codec, WM8995_SOFTWARE_RESET);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to read device ID: %d\n", ret);
+ goto err_reg_enable;
+ }
+
+ if (ret != 0x8995) {
+ dev_err(codec->dev, "Invalid device ID: %#x\n", ret);
+ ret = -EINVAL;
+ goto err_reg_enable;
+ }
+
+ ret = snd_soc_write(codec, WM8995_SOFTWARE_RESET, 0);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
+ goto err_reg_enable;
+ }
+
+ /* Latch volume updates (right only; we always do left then right). */
+ snd_soc_update_bits(codec, WM8995_AIF1_DAC1_RIGHT_VOLUME,
+ WM8995_AIF1DAC1_VU_MASK, WM8995_AIF1DAC1_VU);
+ snd_soc_update_bits(codec, WM8995_AIF1_DAC2_RIGHT_VOLUME,
+ WM8995_AIF1DAC2_VU_MASK, WM8995_AIF1DAC2_VU);
+ snd_soc_update_bits(codec, WM8995_AIF2_DAC_RIGHT_VOLUME,
+ WM8995_AIF2DAC_VU_MASK, WM8995_AIF2DAC_VU);
+ snd_soc_update_bits(codec, WM8995_AIF1_ADC1_RIGHT_VOLUME,
+ WM8995_AIF1ADC1_VU_MASK, WM8995_AIF1ADC1_VU);
+ snd_soc_update_bits(codec, WM8995_AIF1_ADC2_RIGHT_VOLUME,
+ WM8995_AIF1ADC2_VU_MASK, WM8995_AIF1ADC2_VU);
+ snd_soc_update_bits(codec, WM8995_AIF2_ADC_RIGHT_VOLUME,
+ WM8995_AIF2ADC_VU_MASK, WM8995_AIF1ADC2_VU);
+ snd_soc_update_bits(codec, WM8995_DAC1_RIGHT_VOLUME,
+ WM8995_DAC1_VU_MASK, WM8995_DAC1_VU);
+ snd_soc_update_bits(codec, WM8995_DAC2_RIGHT_VOLUME,
+ WM8995_DAC2_VU_MASK, WM8995_DAC2_VU);
+ snd_soc_update_bits(codec, WM8995_RIGHT_LINE_INPUT_1_VOLUME,
+ WM8995_IN1_VU_MASK, WM8995_IN1_VU);
+
+ wm8995_update_class_w(codec);
+
+ return 0;
+
+err_reg_enable:
+ regulator_bulk_disable(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
+err_reg_get:
+ regulator_bulk_free(ARRAY_SIZE(wm8995->supplies), wm8995->supplies);
+ return ret;
+}
+
+#define WM8995_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static const struct snd_soc_dai_ops wm8995_aif1_dai_ops = {
+ .set_sysclk = wm8995_set_dai_sysclk,
+ .set_fmt = wm8995_set_dai_fmt,
+ .hw_params = wm8995_hw_params,
+ .digital_mute = wm8995_aif_mute,
+ .set_pll = wm8995_set_fll,
+ .set_tristate = wm8995_set_tristate,
+};
+
+static const struct snd_soc_dai_ops wm8995_aif2_dai_ops = {
+ .set_sysclk = wm8995_set_dai_sysclk,
+ .set_fmt = wm8995_set_dai_fmt,
+ .hw_params = wm8995_hw_params,
+ .digital_mute = wm8995_aif_mute,
+ .set_pll = wm8995_set_fll,
+ .set_tristate = wm8995_set_tristate,
+};
+
+static const struct snd_soc_dai_ops wm8995_aif3_dai_ops = {
+ .set_tristate = wm8995_set_tristate,
+};
+
+static struct snd_soc_dai_driver wm8995_dai[] = {
+ {
+ .name = "wm8995-aif1",
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = WM8995_FORMATS
+ },
+ .capture = {
+ .stream_name = "AIF1 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = WM8995_FORMATS
+ },
+ .ops = &wm8995_aif1_dai_ops
+ },
+ {
+ .name = "wm8995-aif2",
+ .playback = {
+ .stream_name = "AIF2 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = WM8995_FORMATS
+ },
+ .capture = {
+ .stream_name = "AIF2 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = WM8995_FORMATS
+ },
+ .ops = &wm8995_aif2_dai_ops
+ },
+ {
+ .name = "wm8995-aif3",
+ .playback = {
+ .stream_name = "AIF3 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_96000,
+ .formats = WM8995_FORMATS
+ },
+ .capture = {
+ .stream_name = "AIF3 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = WM8995_FORMATS
+ },
+ .ops = &wm8995_aif3_dai_ops
+ }
+};
+
+static const struct snd_soc_codec_driver soc_codec_dev_wm8995 = {
+ .probe = wm8995_probe,
+ .remove = wm8995_remove,
+ .set_bias_level = wm8995_set_bias_level,
+ .idle_bias_off = true,
+
+ .controls = wm8995_snd_controls,
+ .num_controls = ARRAY_SIZE(wm8995_snd_controls),
+ .dapm_widgets = wm8995_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8995_dapm_widgets),
+ .dapm_routes = wm8995_intercon,
+ .num_dapm_routes = ARRAY_SIZE(wm8995_intercon),
+};
+
+static const struct regmap_config wm8995_regmap = {
+ .reg_bits = 16,
+ .val_bits = 16,
+
+ .max_register = WM8995_MAX_REGISTER,
+ .reg_defaults = wm8995_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8995_reg_defaults),
+ .volatile_reg = wm8995_volatile,
+ .readable_reg = wm8995_readable,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+#if defined(CONFIG_SPI_MASTER)
+static int wm8995_spi_probe(struct spi_device *spi)
+{
+ struct wm8995_priv *wm8995;
+ int ret;
+
+ wm8995 = devm_kzalloc(&spi->dev, sizeof(*wm8995), GFP_KERNEL);
+ if (!wm8995)
+ return -ENOMEM;
+
+ spi_set_drvdata(spi, wm8995);
+
+ wm8995->regmap = devm_regmap_init_spi(spi, &wm8995_regmap);
+ if (IS_ERR(wm8995->regmap)) {
+ ret = PTR_ERR(wm8995->regmap);
+ dev_err(&spi->dev, "Failed to register regmap: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8995, wm8995_dai,
+ ARRAY_SIZE(wm8995_dai));
+ return ret;
+}
+
+static int wm8995_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+ return 0;
+}
+
+static struct spi_driver wm8995_spi_driver = {
+ .driver = {
+ .name = "wm8995",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8995_spi_probe,
+ .remove = wm8995_spi_remove
+};
+#endif
+
+#if IS_ENABLED(CONFIG_I2C)
+static int wm8995_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm8995_priv *wm8995;
+ int ret;
+
+ wm8995 = devm_kzalloc(&i2c->dev, sizeof(*wm8995), GFP_KERNEL);
+ if (!wm8995)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, wm8995);
+
+ wm8995->regmap = devm_regmap_init_i2c(i2c, &wm8995_regmap);
+ if (IS_ERR(wm8995->regmap)) {
+ ret = PTR_ERR(wm8995->regmap);
+ dev_err(&i2c->dev, "Failed to register regmap: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8995, wm8995_dai,
+ ARRAY_SIZE(wm8995_dai));
+ if (ret < 0)
+ dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
+
+ return ret;
+}
+
+static int wm8995_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ return 0;
+}
+
+static const struct i2c_device_id wm8995_i2c_id[] = {
+ {"wm8995", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, wm8995_i2c_id);
+
+static struct i2c_driver wm8995_i2c_driver = {
+ .driver = {
+ .name = "wm8995",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8995_i2c_probe,
+ .remove = wm8995_i2c_remove,
+ .id_table = wm8995_i2c_id
+};
+#endif
+
+static int __init wm8995_modinit(void)
+{
+ int ret = 0;
+
+#if IS_ENABLED(CONFIG_I2C)
+ ret = i2c_add_driver(&wm8995_i2c_driver);
+ if (ret) {
+ printk(KERN_ERR "Failed to register wm8995 I2C driver: %d\n",
+ ret);
+ }
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&wm8995_spi_driver);
+ if (ret) {
+ printk(KERN_ERR "Failed to register wm8995 SPI driver: %d\n",
+ ret);
+ }
+#endif
+ return ret;
+}
+
+module_init(wm8995_modinit);
+
+static void __exit wm8995_exit(void)
+{
+#if IS_ENABLED(CONFIG_I2C)
+ i2c_del_driver(&wm8995_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8995_spi_driver);
+#endif
+}
+
+module_exit(wm8995_exit);
+
+MODULE_DESCRIPTION("ASoC WM8995 driver");
+MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff