v4.19.13 snapshot.
diff --git a/include/sound/soc.h b/include/sound/soc.h
new file mode 100644
index 0000000..41cec42
--- /dev/null
+++ b/include/sound/soc.h
@@ -0,0 +1,1524 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * linux/sound/soc.h -- ALSA SoC Layer
+ *
+ * Author: Liam Girdwood
+ * Created: Aug 11th 2005
+ * Copyright: Wolfson Microelectronics. PLC.
+ */
+
+#ifndef __LINUX_SND_SOC_H
+#define __LINUX_SND_SOC_H
+
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/notifier.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/regmap.h>
+#include <linux/log2.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/compress_driver.h>
+#include <sound/control.h>
+#include <sound/ac97_codec.h>
+
+/*
+ * Convenience kcontrol builders
+ */
+#define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, .shift = shift_left, \
+ .rshift = shift_right, .max = xmax, .platform_max = xmax, \
+ .invert = xinvert, .autodisable = xautodisable})
+#define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, .shift = shift_left, \
+ .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \
+ .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable})
+#define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \
+ SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable)
+#define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert})
+#define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
+ .max = xmax, .platform_max = xmax, .invert = xinvert})
+#define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
+ .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \
+ .invert = xinvert})
+#define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \
+ .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert})
+#define SOC_SINGLE(xname, reg, shift, max, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
+#define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \
+ .put = snd_soc_put_volsw_range, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, .shift = xshift, \
+ .rshift = xshift, .min = xmin, .max = xmax, \
+ .platform_max = xmax, .invert = xinvert} }
+#define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) }
+#define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array),\
+ .info = snd_soc_info_volsw_sx, \
+ .get = snd_soc_get_volsw_sx,\
+ .put = snd_soc_put_volsw_sx, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, \
+ .shift = xshift, .rshift = xshift, \
+ .max = xmax, .min = xmin} }
+#define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_range, \
+ .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, .shift = xshift, \
+ .rshift = xshift, .min = xmin, .max = xmax, \
+ .platform_max = xmax, .invert = xinvert} }
+#define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
+ max, invert, 0) }
+#define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \
+{ \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | \
+ SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+ .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
+ max, invert, 0) }
+#define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert) }
+#define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \
+ xmax, xinvert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw_range, \
+ .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
+ .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
+ xshift, xmin, xmax, xinvert) }
+#define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \
+ max, invert, 0) }
+#define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert) }
+#define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \
+ xmax, xinvert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_range, \
+ .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \
+ .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \
+ xshift, xmin, xmax, xinvert) }
+#define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_sx, \
+ .get = snd_soc_get_volsw_sx, \
+ .put = snd_soc_put_volsw_sx, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xrreg, \
+ .shift = xshift, .rshift = xshift, \
+ .max = xmax, .min = xmin} }
+#define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \
+ xmin, xmax, xsign_bit, xinvert) }
+#define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
+ .put = snd_soc_put_volsw, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, \
+ .min = xmin, .max = xmax, .platform_max = xmax, \
+ .sign_bit = 7,} }
+#define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\
+ .put = snd_soc_put_volsw, \
+ .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) }
+#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \
+{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
+ .items = xitems, .texts = xtexts, \
+ .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0}
+#define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \
+ SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts)
+#define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \
+{ .items = xitems, .texts = xtexts }
+#define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \
+{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \
+ .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues}
+#define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
+ SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues)
+#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \
+{ .reg = xreg, .shift_l = xshift, .shift_r = xshift, \
+ .mask = xmask, .items = xitems, .texts = xtexts, \
+ .values = xvalues, .autodisable = 1}
+#define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \
+ SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts)
+#define SOC_ENUM(xname, xenum) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\
+ .info = snd_soc_info_enum_double, \
+ .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \
+ .private_value = (unsigned long)&xenum }
+#define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
+#define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = \
+ SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) }
+#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert) }
+#define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) }
+#define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
+ SNDRV_CTL_ELEM_ACCESS_READWRITE,\
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw_range, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_mixer_control) \
+ {.reg = xreg, .rreg = xreg, .shift = xshift, \
+ .rshift = xshift, .min = xmin, .max = xmax, \
+ .platform_max = xmax, .invert = xinvert} }
+#define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \
+ xmax, xinvert, 0) }
+#define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put, tlv_array) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
+ SNDRV_CTL_ELEM_ACCESS_READWRITE, \
+ .tlv.p = (tlv_array), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert) }
+#define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_bool_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = xdata }
+#define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_enum_double, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&xenum }
+#define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \
+ SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put)
+
+#define SND_SOC_BYTES(xname, xbase, xregs) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
+ .put = snd_soc_bytes_put, .private_value = \
+ ((unsigned long)&(struct soc_bytes) \
+ {.base = xbase, .num_regs = xregs }) }
+
+#define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \
+ .put = snd_soc_bytes_put, .private_value = \
+ ((unsigned long)&(struct soc_bytes) \
+ {.base = xbase, .num_regs = xregs, \
+ .mask = xmask }) }
+
+/*
+ * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead
+ */
+#define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_bytes_info_ext, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = (unsigned long)&(struct soc_bytes_ext) \
+ {.max = xcount} }
+#define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \
+ .tlv.c = (snd_soc_bytes_tlv_callback), \
+ .info = snd_soc_bytes_info_ext, \
+ .private_value = (unsigned long)&(struct soc_bytes_ext) \
+ {.max = xcount, .get = xhandler_get, .put = xhandler_put, } }
+#define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \
+ xmin, xmax, xinvert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \
+ .put = snd_soc_put_xr_sx, \
+ .private_value = (unsigned long)&(struct soc_mreg_control) \
+ {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \
+ .invert = xinvert, .min = xmin, .max = xmax} }
+
+#define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \
+ SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \
+ snd_soc_get_strobe, snd_soc_put_strobe)
+
+/*
+ * Simplified versions of above macros, declaring a struct and calculating
+ * ARRAY_SIZE internally
+ */
+#define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \
+ const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
+ ARRAY_SIZE(xtexts), xtexts)
+#define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \
+ SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts)
+#define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \
+ const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts)
+#define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \
+ const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \
+ ARRAY_SIZE(xtexts), xtexts, xvalues)
+#define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
+ SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
+
+#define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \
+ const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \
+ xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues)
+
+#define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \
+ const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts)
+
+/*
+ * Component probe and remove ordering levels for components with runtime
+ * dependencies.
+ */
+#define SND_SOC_COMP_ORDER_FIRST -2
+#define SND_SOC_COMP_ORDER_EARLY -1
+#define SND_SOC_COMP_ORDER_NORMAL 0
+#define SND_SOC_COMP_ORDER_LATE 1
+#define SND_SOC_COMP_ORDER_LAST 2
+
+/*
+ * Bias levels
+ *
+ * @ON: Bias is fully on for audio playback and capture operations.
+ * @PREPARE: Prepare for audio operations. Called before DAPM switching for
+ * stream start and stop operations.
+ * @STANDBY: Low power standby state when no playback/capture operations are
+ * in progress. NOTE: The transition time between STANDBY and ON
+ * should be as fast as possible and no longer than 10ms.
+ * @OFF: Power Off. No restrictions on transition times.
+ */
+enum snd_soc_bias_level {
+ SND_SOC_BIAS_OFF = 0,
+ SND_SOC_BIAS_STANDBY = 1,
+ SND_SOC_BIAS_PREPARE = 2,
+ SND_SOC_BIAS_ON = 3,
+};
+
+struct device_node;
+struct snd_jack;
+struct snd_soc_card;
+struct snd_soc_pcm_stream;
+struct snd_soc_ops;
+struct snd_soc_pcm_runtime;
+struct snd_soc_dai;
+struct snd_soc_dai_driver;
+struct snd_soc_dai_link;
+struct snd_soc_component;
+struct snd_soc_component_driver;
+struct soc_enum;
+struct snd_soc_jack;
+struct snd_soc_jack_zone;
+struct snd_soc_jack_pin;
+#include <sound/soc-dapm.h>
+#include <sound/soc-dpcm.h>
+#include <sound/soc-topology.h>
+
+struct snd_soc_jack_gpio;
+
+typedef int (*hw_write_t)(void *,const char* ,int);
+
+enum snd_soc_pcm_subclass {
+ SND_SOC_PCM_CLASS_PCM = 0,
+ SND_SOC_PCM_CLASS_BE = 1,
+};
+
+enum snd_soc_card_subclass {
+ SND_SOC_CARD_CLASS_INIT = 0,
+ SND_SOC_CARD_CLASS_RUNTIME = 1,
+};
+
+int snd_soc_register_card(struct snd_soc_card *card);
+int snd_soc_unregister_card(struct snd_soc_card *card);
+int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card);
+#ifdef CONFIG_PM_SLEEP
+int snd_soc_suspend(struct device *dev);
+int snd_soc_resume(struct device *dev);
+#else
+static inline int snd_soc_suspend(struct device *dev)
+{
+ return 0;
+}
+
+static inline int snd_soc_resume(struct device *dev)
+{
+ return 0;
+}
+#endif
+int snd_soc_poweroff(struct device *dev);
+int snd_soc_add_component(struct device *dev,
+ struct snd_soc_component *component,
+ const struct snd_soc_component_driver *component_driver,
+ struct snd_soc_dai_driver *dai_drv,
+ int num_dai);
+int snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *component_driver,
+ struct snd_soc_dai_driver *dai_drv, int num_dai);
+int devm_snd_soc_register_component(struct device *dev,
+ const struct snd_soc_component_driver *component_driver,
+ struct snd_soc_dai_driver *dai_drv, int num_dai);
+void snd_soc_unregister_component(struct device *dev);
+struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
+ const char *driver_name);
+
+int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num);
+#ifdef CONFIG_SND_SOC_COMPRESS
+int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num);
+#else
+static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
+{
+ return 0;
+}
+#endif
+
+void snd_soc_disconnect_sync(struct device *dev);
+
+struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
+ const char *dai_link, int stream);
+struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
+ const char *dai_link);
+
+bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd);
+void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream);
+void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream);
+
+int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
+ unsigned int dai_fmt);
+
+#ifdef CONFIG_DMI
+int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour);
+#else
+static inline int snd_soc_set_dmi_name(struct snd_soc_card *card,
+ const char *flavour)
+{
+ return 0;
+}
+#endif
+
+/* Utility functions to get clock rates from various things */
+int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
+int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params);
+int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots);
+int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms);
+
+/* set runtime hw params */
+int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream,
+ const struct snd_pcm_hardware *hw);
+
+int soc_dai_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai);
+
+/* Jack reporting */
+int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
+ struct snd_soc_jack *jack, struct snd_soc_jack_pin *pins,
+ unsigned int num_pins);
+
+void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask);
+int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_pin *pins);
+void snd_soc_jack_notifier_register(struct snd_soc_jack *jack,
+ struct notifier_block *nb);
+void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack,
+ struct notifier_block *nb);
+int snd_soc_jack_add_zones(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_zone *zones);
+int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage);
+#ifdef CONFIG_GPIOLIB
+int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios);
+int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
+ struct snd_soc_jack *jack,
+ int count, struct snd_soc_jack_gpio *gpios);
+void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios);
+#else
+static inline int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios)
+{
+ return 0;
+}
+
+static inline int snd_soc_jack_add_gpiods(struct device *gpiod_dev,
+ struct snd_soc_jack *jack,
+ int count,
+ struct snd_soc_jack_gpio *gpios)
+{
+ return 0;
+}
+
+static inline void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count,
+ struct snd_soc_jack_gpio *gpios)
+{
+}
+#endif
+
+#ifdef CONFIG_SND_SOC_AC97_BUS
+struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component);
+struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component,
+ unsigned int id, unsigned int id_mask);
+void snd_soc_free_ac97_component(struct snd_ac97 *ac97);
+
+int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops);
+int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
+ struct platform_device *pdev);
+
+extern struct snd_ac97_bus_ops *soc_ac97_ops;
+#else
+static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
+ struct platform_device *pdev)
+{
+ return 0;
+}
+
+static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
+{
+ return 0;
+}
+#endif
+
+/*
+ *Controls
+ */
+struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
+ void *data, const char *long_name,
+ const char *prefix);
+struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
+ const char *name);
+int snd_soc_add_component_controls(struct snd_soc_component *component,
+ const struct snd_kcontrol_new *controls, unsigned int num_controls);
+int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
+ const struct snd_kcontrol_new *controls, int num_controls);
+int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
+ const struct snd_kcontrol_new *controls, int num_controls);
+int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+#define snd_soc_info_bool_ext snd_ctl_boolean_mono_info
+int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+#define snd_soc_get_volsw_2r snd_soc_get_volsw
+#define snd_soc_put_volsw_2r snd_soc_put_volsw
+int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_limit_volume(struct snd_soc_card *card,
+ const char *name, int max);
+int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *ucontrol);
+int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *tlv);
+int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo);
+int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol);
+
+/**
+ * struct snd_soc_jack_pin - Describes a pin to update based on jack detection
+ *
+ * @pin: name of the pin to update
+ * @mask: bits to check for in reported jack status
+ * @invert: if non-zero then pin is enabled when status is not reported
+ * @list: internal list entry
+ */
+struct snd_soc_jack_pin {
+ struct list_head list;
+ const char *pin;
+ int mask;
+ bool invert;
+};
+
+/**
+ * struct snd_soc_jack_zone - Describes voltage zones of jack detection
+ *
+ * @min_mv: start voltage in mv
+ * @max_mv: end voltage in mv
+ * @jack_type: type of jack that is expected for this voltage
+ * @debounce_time: debounce_time for jack, codec driver should wait for this
+ * duration before reading the adc for voltages
+ * @list: internal list entry
+ */
+struct snd_soc_jack_zone {
+ unsigned int min_mv;
+ unsigned int max_mv;
+ unsigned int jack_type;
+ unsigned int debounce_time;
+ struct list_head list;
+};
+
+/**
+ * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection
+ *
+ * @gpio: legacy gpio number
+ * @idx: gpio descriptor index within the function of the GPIO
+ * consumer device
+ * @gpiod_dev: GPIO consumer device
+ * @name: gpio name. Also as connection ID for the GPIO consumer
+ * device function name lookup
+ * @report: value to report when jack detected
+ * @invert: report presence in low state
+ * @debounce_time: debounce time in ms
+ * @wake: enable as wake source
+ * @jack_status_check: callback function which overrides the detection
+ * to provide more complex checks (eg, reading an
+ * ADC).
+ */
+struct snd_soc_jack_gpio {
+ unsigned int gpio;
+ unsigned int idx;
+ struct device *gpiod_dev;
+ const char *name;
+ int report;
+ int invert;
+ int debounce_time;
+ bool wake;
+
+ /* private: */
+ struct snd_soc_jack *jack;
+ struct delayed_work work;
+ struct notifier_block pm_notifier;
+ struct gpio_desc *desc;
+
+ void *data;
+ /* public: */
+ int (*jack_status_check)(void *data);
+};
+
+struct snd_soc_jack {
+ struct mutex mutex;
+ struct snd_jack *jack;
+ struct snd_soc_card *card;
+ struct list_head pins;
+ int status;
+ struct blocking_notifier_head notifier;
+ struct list_head jack_zones;
+};
+
+/* SoC PCM stream information */
+struct snd_soc_pcm_stream {
+ const char *stream_name;
+ u64 formats; /* SNDRV_PCM_FMTBIT_* */
+ unsigned int rates; /* SNDRV_PCM_RATE_* */
+ unsigned int rate_min; /* min rate */
+ unsigned int rate_max; /* max rate */
+ unsigned int channels_min; /* min channels */
+ unsigned int channels_max; /* max channels */
+ unsigned int sig_bits; /* number of bits of content */
+};
+
+/* SoC audio ops */
+struct snd_soc_ops {
+ int (*startup)(struct snd_pcm_substream *);
+ void (*shutdown)(struct snd_pcm_substream *);
+ int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *);
+ int (*hw_free)(struct snd_pcm_substream *);
+ int (*prepare)(struct snd_pcm_substream *);
+ int (*trigger)(struct snd_pcm_substream *, int);
+};
+
+struct snd_soc_compr_ops {
+ int (*startup)(struct snd_compr_stream *);
+ void (*shutdown)(struct snd_compr_stream *);
+ int (*set_params)(struct snd_compr_stream *);
+ int (*trigger)(struct snd_compr_stream *);
+};
+
+/* component interface */
+struct snd_soc_component_driver {
+ const char *name;
+
+ /* Default control and setup, added after probe() is run */
+ const struct snd_kcontrol_new *controls;
+ unsigned int num_controls;
+ const struct snd_soc_dapm_widget *dapm_widgets;
+ unsigned int num_dapm_widgets;
+ const struct snd_soc_dapm_route *dapm_routes;
+ unsigned int num_dapm_routes;
+
+ int (*probe)(struct snd_soc_component *);
+ void (*remove)(struct snd_soc_component *);
+ int (*suspend)(struct snd_soc_component *);
+ int (*resume)(struct snd_soc_component *);
+
+ unsigned int (*read)(struct snd_soc_component *, unsigned int);
+ int (*write)(struct snd_soc_component *, unsigned int, unsigned int);
+
+ /* pcm creation and destruction */
+ int (*pcm_new)(struct snd_soc_pcm_runtime *);
+ void (*pcm_free)(struct snd_pcm *);
+
+ /* component wide operations */
+ int (*set_sysclk)(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq, int dir);
+ int (*set_pll)(struct snd_soc_component *component, int pll_id,
+ int source, unsigned int freq_in, unsigned int freq_out);
+ int (*set_jack)(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data);
+
+ /* DT */
+ int (*of_xlate_dai_name)(struct snd_soc_component *component,
+ struct of_phandle_args *args,
+ const char **dai_name);
+ int (*of_xlate_dai_id)(struct snd_soc_component *comment,
+ struct device_node *endpoint);
+ void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
+ int subseq);
+ int (*stream_event)(struct snd_soc_component *, int event);
+ int (*set_bias_level)(struct snd_soc_component *component,
+ enum snd_soc_bias_level level);
+
+ const struct snd_pcm_ops *ops;
+ const struct snd_compr_ops *compr_ops;
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
+
+ /* bits */
+ unsigned int idle_bias_on:1;
+ unsigned int suspend_bias_off:1;
+ unsigned int use_pmdown_time:1; /* care pmdown_time at stop */
+ unsigned int endianness:1;
+ unsigned int non_legacy_dai_naming:1;
+
+ /* this component uses topology and ignore machine driver FEs */
+ const char *ignore_machine;
+ const char *topology_name_prefix;
+ int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params);
+ bool use_dai_pcm_id; /* use the DAI link PCM ID as PCM device number */
+ int be_pcm_base; /* base device ID for all BE PCMs */
+};
+
+struct snd_soc_component {
+ const char *name;
+ int id;
+ const char *name_prefix;
+ struct device *dev;
+ struct snd_soc_card *card;
+
+ unsigned int active;
+
+ unsigned int suspended:1; /* is in suspend PM state */
+
+ struct list_head list;
+ struct list_head card_aux_list; /* for auxiliary bound components */
+ struct list_head card_list;
+
+ const struct snd_soc_component_driver *driver;
+
+ struct list_head dai_list;
+ int num_dai;
+
+ struct regmap *regmap;
+ int val_bytes;
+
+ struct mutex io_mutex;
+
+ /* attached dynamic objects */
+ struct list_head dobj_list;
+
+ /*
+ * DO NOT use any of the fields below in drivers, they are temporary and
+ * are going to be removed again soon. If you use them in driver code the
+ * driver will be marked as BROKEN when these fields are removed.
+ */
+
+ /* Don't use these, use snd_soc_component_get_dapm() */
+ struct snd_soc_dapm_context dapm;
+
+ /* machine specific init */
+ int (*init)(struct snd_soc_component *component);
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_root;
+ const char *debugfs_prefix;
+#endif
+};
+
+struct snd_soc_rtdcom_list {
+ struct snd_soc_component *component;
+ struct list_head list; /* rtd::component_list */
+};
+struct snd_soc_component*
+snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
+ const char *driver_name);
+#define for_each_rtdcom(rtd, rtdcom) \
+ list_for_each_entry(rtdcom, &(rtd)->component_list, list)
+#define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \
+ list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list)
+
+struct snd_soc_dai_link_component {
+ const char *name;
+ struct device_node *of_node;
+ const char *dai_name;
+};
+
+struct snd_soc_dai_link {
+ /* config - must be set by machine driver */
+ const char *name; /* Codec name */
+ const char *stream_name; /* Stream name */
+ /*
+ * You MAY specify the link's CPU-side device, either by device name,
+ * or by DT/OF node, but not both. If this information is omitted,
+ * the CPU-side DAI is matched using .cpu_dai_name only, which hence
+ * must be globally unique. These fields are currently typically used
+ * only for codec to codec links, or systems using device tree.
+ */
+ const char *cpu_name;
+ struct device_node *cpu_of_node;
+ /*
+ * You MAY specify the DAI name of the CPU DAI. If this information is
+ * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
+ * only, which only works well when that device exposes a single DAI.
+ */
+ const char *cpu_dai_name;
+ /*
+ * You MUST specify the link's codec, either by device name, or by
+ * DT/OF node, but not both.
+ */
+ const char *codec_name;
+ struct device_node *codec_of_node;
+ /* You MUST specify the DAI name within the codec */
+ const char *codec_dai_name;
+
+ struct snd_soc_dai_link_component *codecs;
+ unsigned int num_codecs;
+
+ /*
+ * You MAY specify the link's platform/PCM/DMA driver, either by
+ * device name, or by DT/OF node, but not both. Some forms of link
+ * do not need a platform.
+ */
+ const char *platform_name;
+ struct device_node *platform_of_node;
+ int id; /* optional ID for machine driver link identification */
+
+ const struct snd_soc_pcm_stream *params;
+ unsigned int num_params;
+
+ unsigned int dai_fmt; /* format to set on init */
+
+ enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
+
+ /* codec/machine specific init - e.g. add machine controls */
+ int (*init)(struct snd_soc_pcm_runtime *rtd);
+
+ /* optional hw_params re-writing for BE and FE sync */
+ int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params);
+
+ /* machine stream operations */
+ const struct snd_soc_ops *ops;
+ const struct snd_soc_compr_ops *compr_ops;
+
+ /* Mark this pcm with non atomic ops */
+ bool nonatomic;
+
+ /* For unidirectional dai links */
+ unsigned int playback_only:1;
+ unsigned int capture_only:1;
+
+ /* Keep DAI active over suspend */
+ unsigned int ignore_suspend:1;
+
+ /* Symmetry requirements */
+ unsigned int symmetric_rates:1;
+ unsigned int symmetric_channels:1;
+ unsigned int symmetric_samplebits:1;
+
+ /* Do not create a PCM for this DAI link (Backend link) */
+ unsigned int no_pcm:1;
+
+ /* This DAI link can route to other DAI links at runtime (Frontend)*/
+ unsigned int dynamic:1;
+
+ /* DPCM capture and Playback support */
+ unsigned int dpcm_capture:1;
+ unsigned int dpcm_playback:1;
+
+ /* DPCM used FE & BE merged format */
+ unsigned int dpcm_merged_format:1;
+ /* DPCM used FE & BE merged channel */
+ unsigned int dpcm_merged_chan:1;
+ /* DPCM used FE & BE merged rate */
+ unsigned int dpcm_merged_rate:1;
+
+ /* pmdown_time is ignored at stop */
+ unsigned int ignore_pmdown_time:1;
+
+ /* Do not create a PCM for this DAI link (Backend link) */
+ unsigned int ignore:1;
+
+ struct list_head list; /* DAI link list of the soc card */
+ struct snd_soc_dobj dobj; /* For topology */
+};
+
+struct snd_soc_codec_conf {
+ /*
+ * specify device either by device name, or by
+ * DT/OF node, but not both.
+ */
+ const char *dev_name;
+ struct device_node *of_node;
+
+ /*
+ * optional map of kcontrol, widget and path name prefixes that are
+ * associated per device
+ */
+ const char *name_prefix;
+};
+
+struct snd_soc_aux_dev {
+ const char *name; /* Codec name */
+
+ /*
+ * specify multi-codec either by device name, or by
+ * DT/OF node, but not both.
+ */
+ const char *codec_name;
+ struct device_node *codec_of_node;
+
+ /* codec/machine specific init - e.g. add machine controls */
+ int (*init)(struct snd_soc_component *component);
+};
+
+/* SoC card */
+struct snd_soc_card {
+ const char *name;
+ const char *long_name;
+ const char *driver_name;
+ char dmi_longname[80];
+ char topology_shortname[32];
+
+ struct device *dev;
+ struct snd_card *snd_card;
+ struct module *owner;
+
+ struct mutex mutex;
+ struct mutex dapm_mutex;
+
+ bool instantiated;
+ bool topology_shortname_created;
+
+ int (*probe)(struct snd_soc_card *card);
+ int (*late_probe)(struct snd_soc_card *card);
+ int (*remove)(struct snd_soc_card *card);
+
+ /* the pre and post PM functions are used to do any PM work before and
+ * after the codec and DAI's do any PM work. */
+ int (*suspend_pre)(struct snd_soc_card *card);
+ int (*suspend_post)(struct snd_soc_card *card);
+ int (*resume_pre)(struct snd_soc_card *card);
+ int (*resume_post)(struct snd_soc_card *card);
+
+ /* callbacks */
+ int (*set_bias_level)(struct snd_soc_card *,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level);
+ int (*set_bias_level_post)(struct snd_soc_card *,
+ struct snd_soc_dapm_context *dapm,
+ enum snd_soc_bias_level level);
+
+ int (*add_dai_link)(struct snd_soc_card *,
+ struct snd_soc_dai_link *link);
+ void (*remove_dai_link)(struct snd_soc_card *,
+ struct snd_soc_dai_link *link);
+
+ long pmdown_time;
+
+ /* CPU <--> Codec DAI links */
+ struct snd_soc_dai_link *dai_link; /* predefined links only */
+ int num_links; /* predefined links only */
+ struct list_head dai_link_list; /* all links */
+ int num_dai_links;
+
+ struct list_head rtd_list;
+ int num_rtd;
+
+ /* optional codec specific configuration */
+ struct snd_soc_codec_conf *codec_conf;
+ int num_configs;
+
+ /*
+ * optional auxiliary devices such as amplifiers or codecs with DAI
+ * link unused
+ */
+ struct snd_soc_aux_dev *aux_dev;
+ int num_aux_devs;
+ struct list_head aux_comp_list;
+
+ const struct snd_kcontrol_new *controls;
+ int num_controls;
+
+ /*
+ * Card-specific routes and widgets.
+ * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in.
+ */
+ const struct snd_soc_dapm_widget *dapm_widgets;
+ int num_dapm_widgets;
+ const struct snd_soc_dapm_route *dapm_routes;
+ int num_dapm_routes;
+ const struct snd_soc_dapm_widget *of_dapm_widgets;
+ int num_of_dapm_widgets;
+ const struct snd_soc_dapm_route *of_dapm_routes;
+ int num_of_dapm_routes;
+ bool fully_routed;
+
+ struct work_struct deferred_resume_work;
+
+ /* lists of probed devices belonging to this card */
+ struct list_head component_dev_list;
+
+ struct list_head widgets;
+ struct list_head paths;
+ struct list_head dapm_list;
+ struct list_head dapm_dirty;
+
+ /* attached dynamic objects */
+ struct list_head dobj_list;
+
+ /* Generic DAPM context for the card */
+ struct snd_soc_dapm_context dapm;
+ struct snd_soc_dapm_stats dapm_stats;
+ struct snd_soc_dapm_update *update;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_card_root;
+ struct dentry *debugfs_pop_time;
+#endif
+ u32 pop_time;
+
+ void *drvdata;
+};
+
+/* SoC machine DAI configuration, glues a codec and cpu DAI together */
+struct snd_soc_pcm_runtime {
+ struct device *dev;
+ struct snd_soc_card *card;
+ struct snd_soc_dai_link *dai_link;
+ struct mutex pcm_mutex;
+ enum snd_soc_pcm_subclass pcm_subclass;
+ struct snd_pcm_ops ops;
+
+ /* Dynamic PCM BE runtime data */
+ struct snd_soc_dpcm_runtime dpcm[2];
+ int fe_compr;
+
+ long pmdown_time;
+
+ /* runtime devices */
+ struct snd_pcm *pcm;
+ struct snd_compr *compr;
+ struct snd_soc_dai *codec_dai;
+ struct snd_soc_dai *cpu_dai;
+
+ struct snd_soc_dai **codec_dais;
+ unsigned int num_codecs;
+
+ struct delayed_work delayed_work;
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_dpcm_root;
+#endif
+
+ unsigned int num; /* 0-based and monotonic increasing */
+ struct list_head list; /* rtd list of the soc card */
+ struct list_head component_list; /* list of connected components */
+
+ /* bit field */
+ unsigned int dev_registered:1;
+ unsigned int pop_wait:1;
+};
+
+/* mixer control */
+struct soc_mixer_control {
+ int min, max, platform_max;
+ int reg, rreg;
+ unsigned int shift, rshift;
+ unsigned int sign_bit;
+ unsigned int invert:1;
+ unsigned int autodisable:1;
+ struct snd_soc_dobj dobj;
+};
+
+struct soc_bytes {
+ int base;
+ int num_regs;
+ u32 mask;
+};
+
+struct soc_bytes_ext {
+ int max;
+ struct snd_soc_dobj dobj;
+
+ /* used for TLV byte control */
+ int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes,
+ unsigned int size);
+ int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes,
+ unsigned int size);
+};
+
+/* multi register control */
+struct soc_mreg_control {
+ long min, max;
+ unsigned int regbase, regcount, nbits, invert;
+};
+
+/* enumerated kcontrol */
+struct soc_enum {
+ int reg;
+ unsigned char shift_l;
+ unsigned char shift_r;
+ unsigned int items;
+ unsigned int mask;
+ const char * const *texts;
+ const unsigned int *values;
+ unsigned int autodisable:1;
+ struct snd_soc_dobj dobj;
+};
+
+/**
+ * snd_soc_dapm_to_component() - Casts a DAPM context to the component it is
+ * embedded in
+ * @dapm: The DAPM context to cast to the component
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a component (e.g. in a component driver). Otherwise the behavior is
+ * undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_to_component(
+ struct snd_soc_dapm_context *dapm)
+{
+ return container_of(dapm, struct snd_soc_component, dapm);
+}
+
+/**
+ * snd_soc_component_get_dapm() - Returns the DAPM context associated with a
+ * component
+ * @component: The component for which to get the DAPM context
+ */
+static inline struct snd_soc_dapm_context *snd_soc_component_get_dapm(
+ struct snd_soc_component *component)
+{
+ return &component->dapm;
+}
+
+/**
+ * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to initialize the DAPM bias level
+ * @level: The DAPM level to initialize to
+ *
+ * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
+ */
+static inline void
+snd_soc_component_init_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ snd_soc_dapm_init_bias_level(
+ snd_soc_component_get_dapm(component), level);
+}
+
+/**
+ * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to get the DAPM bias level
+ *
+ * Returns: The current DAPM bias level of the COMPONENT.
+ */
+static inline enum snd_soc_bias_level
+snd_soc_component_get_bias_level(struct snd_soc_component *component)
+{
+ return snd_soc_dapm_get_bias_level(
+ snd_soc_component_get_dapm(component));
+}
+
+/**
+ * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to set the level
+ * @level: The level to set to
+ *
+ * Forces the COMPONENT bias level to a specific state. See
+ * snd_soc_dapm_force_bias_level().
+ */
+static inline int
+snd_soc_component_force_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ return snd_soc_dapm_force_bias_level(
+ snd_soc_component_get_dapm(component),
+ level);
+}
+
+/**
+ * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
+ * @kcontrol: The kcontrol
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
+ struct snd_kcontrol *kcontrol)
+{
+ return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
+}
+
+/**
+ * snd_soc_component_cache_sync() - Sync the register cache with the hardware
+ * @component: COMPONENT to sync
+ *
+ * Note: This function will call regcache_sync()
+ */
+static inline int snd_soc_component_cache_sync(
+ struct snd_soc_component *component)
+{
+ return regcache_sync(component->regmap);
+}
+
+/* component IO */
+int snd_soc_component_read(struct snd_soc_component *component,
+ unsigned int reg, unsigned int *val);
+unsigned int snd_soc_component_read32(struct snd_soc_component *component,
+ unsigned int reg);
+int snd_soc_component_write(struct snd_soc_component *component,
+ unsigned int reg, unsigned int val);
+int snd_soc_component_update_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int val);
+int snd_soc_component_update_bits_async(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int val);
+void snd_soc_component_async_complete(struct snd_soc_component *component);
+int snd_soc_component_test_bits(struct snd_soc_component *component,
+ unsigned int reg, unsigned int mask, unsigned int value);
+
+/* component wide operations */
+int snd_soc_component_set_sysclk(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq, int dir);
+int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
+ int source, unsigned int freq_in,
+ unsigned int freq_out);
+int snd_soc_component_set_jack(struct snd_soc_component *component,
+ struct snd_soc_jack *jack, void *data);
+
+#ifdef CONFIG_REGMAP
+
+void snd_soc_component_init_regmap(struct snd_soc_component *component,
+ struct regmap *regmap);
+void snd_soc_component_exit_regmap(struct snd_soc_component *component);
+
+#endif
+
+/* device driver data */
+
+static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,
+ void *data)
+{
+ card->drvdata = data;
+}
+
+static inline void *snd_soc_card_get_drvdata(struct snd_soc_card *card)
+{
+ return card->drvdata;
+}
+
+static inline void snd_soc_component_set_drvdata(struct snd_soc_component *c,
+ void *data)
+{
+ dev_set_drvdata(c->dev, data);
+}
+
+static inline void *snd_soc_component_get_drvdata(struct snd_soc_component *c)
+{
+ return dev_get_drvdata(c->dev);
+}
+
+static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card)
+{
+ INIT_LIST_HEAD(&card->widgets);
+ INIT_LIST_HEAD(&card->paths);
+ INIT_LIST_HEAD(&card->dapm_list);
+ INIT_LIST_HEAD(&card->aux_comp_list);
+ INIT_LIST_HEAD(&card->component_dev_list);
+}
+
+static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc)
+{
+ if (mc->reg == mc->rreg && mc->shift == mc->rshift)
+ return 0;
+ /*
+ * mc->reg == mc->rreg && mc->shift != mc->rshift, or
+ * mc->reg != mc->rreg means that the control is
+ * stereo (bits in one register or in two registers)
+ */
+ return 1;
+}
+
+static inline unsigned int snd_soc_enum_val_to_item(struct soc_enum *e,
+ unsigned int val)
+{
+ unsigned int i;
+
+ if (!e->values)
+ return val;
+
+ for (i = 0; i < e->items; i++)
+ if (val == e->values[i])
+ return i;
+
+ return 0;
+}
+
+static inline unsigned int snd_soc_enum_item_to_val(struct soc_enum *e,
+ unsigned int item)
+{
+ if (!e->values)
+ return item;
+
+ return e->values[item];
+}
+
+static inline bool snd_soc_component_is_active(
+ struct snd_soc_component *component)
+{
+ return component->active != 0;
+}
+
+/**
+ * snd_soc_kcontrol_component() - Returns the component that registered the
+ * control
+ * @kcontrol: The control for which to get the component
+ *
+ * Note: This function will work correctly if the control has been registered
+ * for a component. With snd_soc_add_codec_controls() or via table based
+ * setup for either a CODEC or component driver. Otherwise the behavior is
+ * undefined.
+ */
+static inline struct snd_soc_component *snd_soc_kcontrol_component(
+ struct snd_kcontrol *kcontrol)
+{
+ return snd_kcontrol_chip(kcontrol);
+}
+
+int snd_soc_util_init(void);
+void snd_soc_util_exit(void);
+
+int snd_soc_of_parse_card_name(struct snd_soc_card *card,
+ const char *propname);
+int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card,
+ const char *propname);
+int snd_soc_of_get_slot_mask(struct device_node *np,
+ const char *prop_name,
+ unsigned int *mask);
+int snd_soc_of_parse_tdm_slot(struct device_node *np,
+ unsigned int *tx_mask,
+ unsigned int *rx_mask,
+ unsigned int *slots,
+ unsigned int *slot_width);
+void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
+ struct snd_soc_codec_conf *codec_conf,
+ struct device_node *of_node,
+ const char *propname);
+int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
+ const char *propname);
+unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
+ const char *prefix,
+ struct device_node **bitclkmaster,
+ struct device_node **framemaster);
+int snd_soc_get_dai_id(struct device_node *ep);
+int snd_soc_get_dai_name(struct of_phandle_args *args,
+ const char **dai_name);
+int snd_soc_of_get_dai_name(struct device_node *of_node,
+ const char **dai_name);
+int snd_soc_of_get_dai_link_codecs(struct device *dev,
+ struct device_node *of_node,
+ struct snd_soc_dai_link *dai_link);
+void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link);
+
+int snd_soc_add_dai_link(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link);
+void snd_soc_remove_dai_link(struct snd_soc_card *card,
+ struct snd_soc_dai_link *dai_link);
+struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
+ int id, const char *name,
+ const char *stream_name);
+
+int snd_soc_register_dai(struct snd_soc_component *component,
+ struct snd_soc_dai_driver *dai_drv);
+
+struct snd_soc_dai *snd_soc_find_dai(
+ const struct snd_soc_dai_link_component *dlc);
+
+#include <sound/soc-dai.h>
+
+static inline
+struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
+ const char *dai_name)
+{
+ struct snd_soc_pcm_runtime *rtd;
+
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ if (!strcmp(rtd->codec_dai->name, dai_name))
+ return rtd->codec_dai;
+ }
+
+ return NULL;
+}
+
+#ifdef CONFIG_DEBUG_FS
+extern struct dentry *snd_soc_debugfs_root;
+#endif
+
+extern const struct dev_pm_ops snd_soc_pm_ops;
+
+/* Helper functions */
+static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
+{
+ mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+}
+
+static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
+{
+ mutex_unlock(&dapm->card->dapm_mutex);
+}
+
+int snd_soc_component_enable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_disable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_nc_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_get_pin_status(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
+ const char *pin);
+int snd_soc_component_force_enable_pin_unlocked(
+ struct snd_soc_component *component,
+ const char *pin);
+
+#endif