ASoC: Add shared code for Wolfson Arizona class devices

The Wolfson Arizona series of audio hub CODECs can share a large amount
of their driver code as the result of a common register map. This patch
adds some of this core support, providing a basis for the initial WM5102
audio driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/Kconfig

@@ -129,6 +129,11 @@ config SND_SOC_ALL_CODECS
 config SND_SOC_88PM860X
 	tristate
 
+config SND_SOC_ARIZONA
+	tristate
+	default y if SND_SOC_WM5102=y
+	default m if SND_SOC_WM5102=m
+
 config SND_SOC_WM_HUBS
 	tristate
 	default y if SND_SOC_WM8993=y || SND_SOC_WM8994=y

sound/soc/codecs/Makefile

@@ -14,6 +14,7 @@ snd-soc-ak4535-objs := ak4535.o
 snd-soc-ak4641-objs := ak4641.o
 snd-soc-ak4642-objs := ak4642.o
 snd-soc-ak4671-objs := ak4671.o
+snd-soc-arizona-objs := arizona.o
 snd-soc-cq93vc-objs := cq93vc.o
 snd-soc-cs42l51-objs := cs42l51.o
 snd-soc-cs42l52-objs := cs42l52.o
@@ -128,6 +129,7 @@ obj-$(CONFIG_SND_SOC_AK4642)	+= snd-soc-ak4642.o
 obj-$(CONFIG_SND_SOC_AK4671)	+= snd-soc-ak4671.o
 obj-$(CONFIG_SND_SOC_ALC5623)    += snd-soc-alc5623.o
 obj-$(CONFIG_SND_SOC_ALC5632)	+= snd-soc-alc5632.o
+obj-$(CONFIG_SND_SOC_ARIZONA)	+= snd-soc-arizona.o
 obj-$(CONFIG_SND_SOC_CQ0093VC) += snd-soc-cq93vc.o
 obj-$(CONFIG_SND_SOC_CS42L51)	+= snd-soc-cs42l51.o
 obj-$(CONFIG_SND_SOC_CS42L52)	+= snd-soc-cs42l52.o

sound/soc/codecs/arizona.h

+/*
+ * arizona.h - Wolfson Arizona class device shared support
+ *
+ * Copyright 2012 Wolfson Microelectronics plc
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * 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.
+ */
+
+#ifndef _ASOC_ARIZONA_H
+#define _ASOC_ARIZONA_H
+
+#include <linux/completion.h>
+
+#include <sound/soc.h>
+
+#define ARIZONA_CLK_SYSCLK   1
+#define ARIZONA_CLK_ASYNCCLK 2
+
+#define ARIZONA_CLK_SRC_MCLK1    0x0
+#define ARIZONA_CLK_SRC_MCLK2    0x1
+#define ARIZONA_CLK_SRC_FLL1     0x4
+#define ARIZONA_CLK_SRC_FLL2     0x5
+#define ARIZONA_CLK_SRC_AIF1BCLK 0x8
+#define ARIZONA_CLK_SRC_AIF2BCLK 0x9
+#define ARIZONA_CLK_SRC_AIF3BCLK 0xa
+
+#define ARIZONA_FLL_SRC_MCLK1      0
+#define ARIZONA_FLL_SRC_MCLK2      1
+#define ARIZONA_FLL_SRC_SLIMCLK    2
+#define ARIZONA_FLL_SRC_FLL1       3
+#define ARIZONA_FLL_SRC_FLL2       4
+#define ARIZONA_FLL_SRC_AIF1BCLK   5
+#define ARIZONA_FLL_SRC_AIF2BCLK   6
+#define ARIZONA_FLL_SRC_AIF3BCLK   7
+#define ARIZONA_FLL_SRC_AIF1LRCLK  8
+#define ARIZONA_FLL_SRC_AIF2LRCLK  9
+#define ARIZONA_FLL_SRC_AIF3LRCLK 10
+
+#define ARIZONA_MIXER_VOL_MASK             0x00FE
+#define ARIZONA_MIXER_VOL_SHIFT                 1
+#define ARIZONA_MIXER_VOL_WIDTH                 7
+
+struct arizona;
+
+struct arizona_priv {
+	struct arizona *arizona;
+	int sysclk;
+	int asyncclk;
+};
+
+#define ARIZONA_NUM_MIXER_INPUTS 55
+
+extern const unsigned int arizona_mixer_tlv[];
+extern const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS];
+extern int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS];
+
+#define ARIZONA_MIXER_CONTROLS(name, base) \
+	SOC_SINGLE_RANGE_TLV(name " Input 1 Volume", base + 1,		\
+			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
+			     arizona_mixer_tlv),			\
+	SOC_SINGLE_RANGE_TLV(name " Input 2 Volume", base + 3,		\
+			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
+			     arizona_mixer_tlv),			\
+	SOC_SINGLE_RANGE_TLV(name " Input 3 Volume", base + 5,		\
+			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
+			     arizona_mixer_tlv),			\
+	SOC_SINGLE_RANGE_TLV(name " Input 4 Volume", base + 7,		\
+			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
+			     arizona_mixer_tlv)
+
+#define ARIZONA_MUX_ENUM_DECL(name, reg) \
+	SOC_VALUE_ENUM_SINGLE_DECL(name, reg, 0, 0xff,			\
+				   arizona_mixer_texts, arizona_mixer_values)
+
+#define ARIZONA_MUX_CTL_DECL(name) \
+	const struct snd_kcontrol_new name##_mux =	\
+		SOC_DAPM_VALUE_ENUM("Route", name##_enum)
+
+#define ARIZONA_MIXER_ENUMS(name, base_reg) \
+	static ARIZONA_MUX_ENUM_DECL(name##_in1_enum, base_reg);      \
+	static ARIZONA_MUX_ENUM_DECL(name##_in2_enum, base_reg + 2);  \
+	static ARIZONA_MUX_ENUM_DECL(name##_in3_enum, base_reg + 4);  \
+	static ARIZONA_MUX_ENUM_DECL(name##_in4_enum, base_reg + 6);  \
+	static ARIZONA_MUX_CTL_DECL(name##_in1); \
+	static ARIZONA_MUX_CTL_DECL(name##_in2); \
+	static ARIZONA_MUX_CTL_DECL(name##_in3); \
+	static ARIZONA_MUX_CTL_DECL(name##_in4)
+
+#define ARIZONA_MUX(name, ctrl) \
+	SND_SOC_DAPM_VALUE_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
+
+#define ARIZONA_MIXER_WIDGETS(name, name_str)	\
+	ARIZONA_MUX(name_str " Input 1", &name##_in1_mux), \
+	ARIZONA_MUX(name_str " Input 2", &name##_in2_mux), \
+	ARIZONA_MUX(name_str " Input 3", &name##_in3_mux), \
+	ARIZONA_MUX(name_str " Input 4", &name##_in4_mux), \
+	SND_SOC_DAPM_MIXER(name_str " Mixer", SND_SOC_NOPM, 0, 0, NULL, 0)
+
+#define ARIZONA_MIXER_ROUTES(widget, name) \
+	{ widget, NULL, name " Mixer" },         \
+	{ name " Mixer", NULL, name " Input 1" }, \
+	{ name " Mixer", NULL, name " Input 2" }, \
+	{ name " Mixer", NULL, name " Input 3" }, \
+	{ name " Mixer", NULL, name " Input 4" }, \
+	ARIZONA_MIXER_INPUT_ROUTES(name " Input 1"), \
+	ARIZONA_MIXER_INPUT_ROUTES(name " Input 2"), \
+	ARIZONA_MIXER_INPUT_ROUTES(name " Input 3"), \
+	ARIZONA_MIXER_INPUT_ROUTES(name " Input 4")
+
+extern const struct soc_enum arizona_lhpf1_mode;
+extern const struct soc_enum arizona_lhpf2_mode;
+extern const struct soc_enum arizona_lhpf3_mode;
+extern const struct soc_enum arizona_lhpf4_mode;
+
+extern int arizona_in_ev(struct snd_soc_dapm_widget *w,
+			 struct snd_kcontrol *kcontrol,
+			 int event);
+extern int arizona_out_ev(struct snd_soc_dapm_widget *w,
+			  struct snd_kcontrol *kcontrol,
+			  int event);
+
+extern int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
+			      int source, unsigned int freq, int dir);
+
+extern const struct snd_soc_dai_ops arizona_dai_ops;
+
+#define ARIZONA_FLL_NAME_LEN 20
+
+struct arizona_fll {
+	struct arizona *arizona;
+	int id;
+	unsigned int base;
+	struct completion lock;
+	struct completion ok;
+
+	char lock_name[ARIZONA_FLL_NAME_LEN];
+	char clock_ok_name[ARIZONA_FLL_NAME_LEN];
+};
+
+extern int arizona_init_fll(struct arizona *arizona, int id, int base,
+			    int lock_irq, int ok_irq, struct arizona_fll *fll);
+extern int arizona_set_fll(struct arizona_fll *fll, int source,
+			   unsigned int Fref, unsigned int Fout);
+
+#endif