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>
diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
new file mode 100644
index 0000000..8c2ca1d
--- /dev/null
+++ b/sound/soc/codecs/arizona.h
@@ -0,0 +1,149 @@
+/*
+ * 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