diff options
Diffstat (limited to 'include/sound/soc.h')
| -rw-r--r-- | include/sound/soc.h | 1562 |
1 files changed, 1562 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h new file mode 100644 index 000000000..f6226914a --- /dev/null +++ b/include/sound/soc.h @@ -0,0 +1,1562 @@ +/* + * linux/sound/soc.h -- ALSA SoC Layer + * + * Author: Liam Girdwood + * Created: Aug 11th 2005 + * Copyright: Wolfson Microelectronics. PLC. + * + * 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 __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, \ + .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_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, \ + .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_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, xnitmes, xtexts, xvalues) \ + SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xnitmes, xtexts, xvalues) +#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_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_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 }) } + +#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_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_platform; +struct snd_soc_dai_link; +struct snd_soc_platform_driver; +struct snd_soc_codec; +struct snd_soc_codec_driver; +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> + +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_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, + int source, unsigned int freq, int dir); +int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out); + +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_register_platform(struct device *dev, + const struct snd_soc_platform_driver *platform_drv); +int devm_snd_soc_register_platform(struct device *dev, + const struct snd_soc_platform_driver *platform_drv); +void snd_soc_unregister_platform(struct device *dev); +int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, + const struct snd_soc_platform_driver *platform_drv); +void snd_soc_remove_platform(struct snd_soc_platform *platform); +struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev); +int snd_soc_register_codec(struct device *dev, + const struct snd_soc_codec_driver *codec_drv, + struct snd_soc_dai_driver *dai_drv, int num_dai); +void snd_soc_unregister_codec(struct device *dev); +int snd_soc_register_component(struct device *dev, + const struct snd_soc_component_driver *cmpnt_drv, + 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 *cmpnt_drv, + struct snd_soc_dai_driver *dai_drv, int num_dai); +void snd_soc_unregister_component(struct device *dev); +int snd_soc_cache_init(struct snd_soc_codec *codec); +int snd_soc_cache_exit(struct snd_soc_codec *codec); + +int snd_soc_platform_read(struct snd_soc_platform *platform, + unsigned int reg); +int snd_soc_platform_write(struct snd_soc_platform *platform, + unsigned int reg, unsigned int val); +int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); +int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); + +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); + +/* 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 snd_soc_platform_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_platform *platform); + +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 + +/* codec register bit access */ +int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned int reg, + unsigned int mask, unsigned int value); +int snd_soc_update_bits_locked(struct snd_soc_codec *codec, + unsigned int reg, unsigned int mask, + unsigned int value); +int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned int reg, + unsigned int mask, unsigned int value); + +#ifdef CONFIG_SND_SOC_AC97_BUS +struct snd_ac97 *snd_soc_alloc_ac97_codec(struct snd_soc_codec *codec); +struct snd_ac97 *snd_soc_new_ac97_codec(struct snd_soc_codec *codec); +void snd_soc_free_ac97_codec(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_codec_controls(struct snd_soc_codec *codec, + const struct snd_kcontrol_new *controls, unsigned int num_controls); +int snd_soc_add_platform_controls(struct snd_soc_platform *platform, + 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); +#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_codec *codec, + 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 + */ +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: list container + */ +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 + * @debouce_time: debouce 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; + + struct snd_soc_jack *jack; + struct delayed_work work; + struct gpio_desc *desc; + + void *data; + 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 *); + + /* DT */ + int (*of_xlate_dai_name)(struct snd_soc_component *component, + struct of_phandle_args *args, + const char **dai_name); + void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type, + int subseq); + int (*stream_event)(struct snd_soc_component *, int event); + + /* probe ordering - for components with runtime dependencies */ + int probe_order; + int remove_order; +}; + +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 ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ + unsigned int registered_as_component:1; + unsigned int probed:1; + + struct list_head list; + + struct snd_soc_dai_driver *dai_drv; + int num_dai; + + const struct snd_soc_component_driver *driver; + + struct list_head dai_list; + + int (*read)(struct snd_soc_component *, unsigned int, unsigned int *); + int (*write)(struct snd_soc_component *, unsigned int, unsigned int); + + struct regmap *regmap; + int val_bytes; + + struct mutex io_mutex; + +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_root; +#endif + + /* + * 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; + struct snd_soc_dapm_context *dapm_ptr; + + 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; + struct snd_soc_codec *codec; + + int (*probe)(struct snd_soc_component *); + void (*remove)(struct snd_soc_component *); + +#ifdef CONFIG_DEBUG_FS + void (*init_debugfs)(struct snd_soc_component *component); + const char *debugfs_prefix; +#endif +}; + +/* SoC Audio Codec device */ +struct snd_soc_codec { + struct device *dev; + const struct snd_soc_codec_driver *driver; + + struct list_head list; + struct list_head card_list; + + /* runtime */ + unsigned int cache_bypass:1; /* Suppress access to the cache */ + unsigned int suspended:1; /* Codec is in suspend PM state */ + unsigned int cache_init:1; /* codec cache has been initialized */ + + /* codec IO */ + void *control_data; /* codec control (i2c/3wire) data */ + hw_write_t hw_write; + void *reg_cache; + + /* component */ + struct snd_soc_component component; + + /* dapm */ + struct snd_soc_dapm_context dapm; + +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_reg; +#endif +}; + +/* codec driver */ +struct snd_soc_codec_driver { + + /* driver ops */ + int (*probe)(struct snd_soc_codec *); + int (*remove)(struct snd_soc_codec *); + int (*suspend)(struct snd_soc_codec *); + int (*resume)(struct snd_soc_codec *); + struct snd_soc_component_driver component_driver; + + /* Default control and setup, added after probe() is run */ + const struct snd_kcontrol_new *controls; + int num_controls; + const struct snd_soc_dapm_widget *dapm_widgets; + int num_dapm_widgets; + const struct snd_soc_dapm_route *dapm_routes; + int num_dapm_routes; + + /* codec wide operations */ + int (*set_sysclk)(struct snd_soc_codec *codec, + int clk_id, int source, unsigned int freq, int dir); + int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source, + unsigned int freq_in, unsigned int freq_out); + + /* codec IO */ + struct regmap *(*get_regmap)(struct device *); + unsigned int (*read)(struct snd_soc_codec *, unsigned int); + int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); + unsigned int reg_cache_size; + short reg_cache_step; + short reg_word_size; + const void *reg_cache_default; + + /* codec bias level */ + int (*set_bias_level)(struct snd_soc_codec *, + enum snd_soc_bias_level level); + bool idle_bias_off; + bool suspend_bias_off; + + void (*seq_notifier)(struct snd_soc_dapm_context *, + enum snd_soc_dapm_type, int); + + bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ +}; + +/* SoC platform interface */ +struct snd_soc_platform_driver { + + int (*probe)(struct snd_soc_platform *); + int (*remove)(struct snd_soc_platform *); + struct snd_soc_component_driver component_driver; + + /* pcm creation and destruction */ + int (*pcm_new)(struct snd_soc_pcm_runtime *); + void (*pcm_free)(struct snd_pcm *); + + /* + * For platform caused delay reporting. + * Optional. + */ + snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, + struct snd_soc_dai *); + + /* platform stream pcm ops */ + const struct snd_pcm_ops *ops; + + /* platform stream compress ops */ + const struct snd_compr_ops *compr_ops; + + int (*bespoke_trigger)(struct snd_pcm_substream *, int); +}; + +struct snd_soc_dai_link_component { + const char *name; + struct device_node *of_node; + const char *dai_name; +}; + +struct snd_soc_platform { + struct device *dev; + const struct snd_soc_platform_driver *driver; + + struct list_head list; + + struct snd_soc_component component; +}; + +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 be_id; /* optional ID for machine driver BE 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 */ + + /* 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; + + /* Mark this pcm with non atomic ops */ + bool nonatomic; + + /* 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; + + /* pmdown_time is ignored at stop */ + unsigned int ignore_pmdown_time:1; + + /* 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; + + /* For unidirectional dai links */ + bool playback_only; + bool capture_only; +}; + +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; + struct device *dev; + struct snd_card *snd_card; + struct module *owner; + + struct mutex mutex; + struct mutex dapm_mutex; + + bool instantiated; + + 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); + + long pmdown_time; + + /* CPU <--> Codec DAI links */ + struct snd_soc_dai_link *dai_link; + int num_links; + struct snd_soc_pcm_runtime *rtd; + 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 snd_soc_pcm_runtime *rtd_aux; + int num_aux_rtd; + + 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 codec_dev_list; + + struct list_head widgets; + struct list_head paths; + struct list_head dapm_list; + struct list_head dapm_dirty; + + /* 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; + + unsigned int dev_registered:1; + + /* Dynamic PCM BE runtime data */ + struct snd_soc_dpcm_runtime dpcm[2]; + int fe_compr; + + long pmdown_time; + unsigned char pop_wait:1; + + /* runtime devices */ + struct snd_pcm *pcm; + struct snd_compr *compr; + struct snd_soc_codec *codec; + struct snd_soc_platform *platform; + struct snd_soc_dai *codec_dai; + struct snd_soc_dai *cpu_dai; + struct snd_soc_component *component; /* Only valid for AUX dev rtds */ + + struct snd_soc_dai **codec_dais; + unsigned int num_codecs; + + struct delayed_work delayed_work; +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_dpcm_root; + struct dentry *debugfs_dpcm_state; +#endif +}; + +/* 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 soc_bytes { + int base; + int num_regs; + u32 mask; +}; + +struct soc_bytes_ext { + int max; + /* used for TLV byte control */ + int (*get)(unsigned int __user *bytes, unsigned int size); + int (*put)(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; +}; + +/** + * snd_soc_component_to_codec() - Casts a component to the CODEC it is embedded in + * @component: The component to cast to a CODEC + * + * This function must only be used on components that are known to be CODECs. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_component_to_codec( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_codec, component); +} + +/** + * snd_soc_component_to_platform() - Casts a component to the platform it is embedded in + * @component: The component to cast to a platform + * + * This function must only be used on components that are known to be platforms. + * Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_component_to_platform( + struct snd_soc_component *component) +{ + return container_of(component, struct snd_soc_platform, component); +} + +/** + * 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_dapm_to_codec() - Casts a DAPM context to the CODEC it is embedded in + * @dapm: The DAPM context to cast to the CODEC + * + * This function must only be used on DAPM contexts that are known to be part of + * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_dapm_to_codec( + struct snd_soc_dapm_context *dapm) +{ + return container_of(dapm, struct snd_soc_codec, dapm); +} + +/** + * snd_soc_dapm_to_platform() - Casts a DAPM context to the platform it is + * embedded in + * @dapm: The DAPM context to cast to the platform. + * + * This function must only be used on DAPM contexts that are known to be part of + * a platform (e.g. in a platform driver). Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_dapm_to_platform( + struct snd_soc_dapm_context *dapm) +{ + return snd_soc_component_to_platform(snd_soc_dapm_to_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_ptr; +} + +/** + * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol + * @kcontrol: The kcontrol + * + * This function must only be used on DAPM contexts that are known to be part of + * a CODEC (e.g. in a CODEC driver). Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol)); +} + +/* codec IO */ +unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); +int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int val); + +/** + * snd_soc_cache_sync() - Sync the register cache with the hardware + * @codec: CODEC to sync + * + * Note: This function will call regcache_sync() + */ +static inline int snd_soc_cache_sync(struct snd_soc_codec *codec) +{ + return regcache_sync(codec->component.regmap); +} + +/* component IO */ +int snd_soc_component_read(struct snd_soc_component *component, + unsigned int reg, unsigned int *val); +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); + +#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); + +/** + * snd_soc_codec_init_regmap() - Initialize regmap instance for the CODEC + * @codec: The CODEC for which to initialize the regmap instance + * @regmap: The regmap instance that should be used by the CODEC + * + * This function allows deferred assignment of the regmap instance that is + * associated with the CODEC. Only use this if the regmap instance is not yet + * ready when the CODEC is registered. The function must also be called before + * the first IO attempt of the CODEC. + */ +static inline void snd_soc_codec_init_regmap(struct snd_soc_codec *codec, + struct regmap *regmap) +{ + snd_soc_component_init_regmap(&codec->component, regmap); +} + +/** + * snd_soc_codec_exit_regmap() - De-initialize regmap instance for the CODEC + * @codec: The CODEC for which to de-initialize the regmap instance + * + * Calls regmap_exit() on the regmap instance associated to the CODEC and + * removes the regmap instance from the CODEC. + * + * This function should only be used if snd_soc_codec_init_regmap() was used to + * initialize the regmap instance. + */ +static inline void snd_soc_codec_exit_regmap(struct snd_soc_codec *codec) +{ + snd_soc_component_exit_regmap(&codec->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_codec_set_drvdata(struct snd_soc_codec *codec, + void *data) +{ + snd_soc_component_set_drvdata(&codec->component, data); +} + +static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) +{ + return snd_soc_component_get_drvdata(&codec->component); +} + +static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, + void *data) +{ + snd_soc_component_set_drvdata(&platform->component, data); +} + +static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) +{ + return snd_soc_component_get_drvdata(&platform->component); +} + +static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, + void *data) +{ + dev_set_drvdata(rtd->dev, data); +} + +static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) +{ + return dev_get_drvdata(rtd->dev); +} + +static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) +{ + INIT_LIST_HEAD(&card->codec_dev_list); + INIT_LIST_HEAD(&card->widgets); + INIT_LIST_HEAD(&card->paths); + INIT_LIST_HEAD(&card->dapm_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; +} + +static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) +{ + return snd_soc_component_is_active(&codec->component); +} + +/** + * 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. Either with snd_soc_add_codec_controls() or + * snd_soc_add_platform_controls() or via table based setup for either a + * CODEC, a platform 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); +} + +/** + * snd_soc_kcontrol_codec() - Returns the CODEC that registered the control + * @kcontrol: The control for which to get the CODEC + * + * Note: This function will only work correctly if the control has been + * registered with snd_soc_add_codec_controls() or via table based setup of + * snd_soc_codec_driver. Otherwise the behavior is undefined. + */ +static inline struct snd_soc_codec *snd_soc_kcontrol_codec( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_component_to_codec(snd_soc_kcontrol_component(kcontrol)); +} + +/** + * snd_soc_kcontrol_platform() - Returns the platform that registered the control + * @kcontrol: The control for which to get the platform + * + * Note: This function will only work correctly if the control has been + * registered with snd_soc_add_platform_controls() or via table based setup of + * a snd_soc_platform_driver. Otherwise the behavior is undefined. + */ +static inline struct snd_soc_platform *snd_soc_kcontrol_platform( + struct snd_kcontrol *kcontrol) +{ + return snd_soc_component_to_platform(snd_soc_kcontrol_component(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_parse_tdm_slot(struct device_node *np, + unsigned int *slots, + unsigned int *slot_width); +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_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); + +#include <sound/soc-dai.h> + +#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(&dapm->card->dapm_mutex); +} + +static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) +{ + mutex_unlock(&dapm->card->dapm_mutex); +} + +#endif |