| /* |
| * 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_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_s8, .get = snd_soc_get_volsw_s8, \ |
| .put = snd_soc_put_volsw_s8, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .min = xmin, .max = xmax, \ |
| .platform_max = xmax} } |
| #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 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_info_bytes_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); |
| |
| extern struct snd_ac97_bus_ops *soc_ac97_ops; |
| |
| 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); |
| int snd_soc_suspend(struct device *dev); |
| int snd_soc_resume(struct device *dev); |
| 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_sync(struct snd_soc_codec *codec); |
| int snd_soc_cache_init(struct snd_soc_codec *codec); |
| int snd_soc_cache_exit(struct snd_soc_codec *codec); |
| int snd_soc_cache_write(struct snd_soc_codec *codec, |
| unsigned int reg, unsigned int value); |
| int snd_soc_cache_read(struct snd_soc_codec *codec, |
| unsigned int reg, unsigned int *value); |
| 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); |
| |
| /* 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); |
| |
| /* Jack reporting */ |
| int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, |
| struct snd_soc_jack *jack); |
| 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); |
| |
| int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, |
| struct snd_ac97_bus_ops *ops, int num); |
| void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); |
| |
| 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); |
| |
| /* |
| *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_codec_controls(struct snd_soc_codec *codec, |
| const struct snd_kcontrol_new *controls, int num_controls); |
| int snd_soc_add_platform_controls(struct snd_soc_platform *platform, |
| const struct snd_kcontrol_new *controls, 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_s8(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_volsw_s8(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_codec *codec; |
| 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; |
| |
| /* DT */ |
| int (*of_xlate_dai_name)(struct snd_soc_component *component, |
| struct of_phandle_args *args, |
| const char **dai_name); |
| }; |
| |
| struct snd_soc_component { |
| const char *name; |
| int id; |
| struct device *dev; |
| |
| unsigned int active; |
| |
| unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ |
| unsigned int registered_as_component: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; |
| }; |
| |
| /* SoC Audio Codec device */ |
| struct snd_soc_codec { |
| const char *name; |
| const char *name_prefix; |
| int id; |
| struct device *dev; |
| const struct snd_soc_codec_driver *driver; |
| |
| struct mutex mutex; |
| struct snd_soc_card *card; |
| struct list_head list; |
| struct list_head card_list; |
| |
| /* runtime */ |
| struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ |
| unsigned int cache_bypass:1; /* Suppress access to the cache */ |
| unsigned int suspended:1; /* Codec is in suspend PM state */ |
| unsigned int probed:1; /* Codec has been probed */ |
| unsigned int ac97_registered:1; /* Codec has been AC97 registered */ |
| unsigned int ac97_created:1; /* Codec has been created by SoC */ |
| unsigned int cache_init:1; /* codec cache has been initialized */ |
| u32 cache_only; /* Suppress writes to hardware */ |
| u32 cache_sync; /* Cache needs to be synced to hardware */ |
| |
| /* codec IO */ |
| void *control_data; /* codec control (i2c/3wire) data */ |
| hw_write_t hw_write; |
| void *reg_cache; |
| struct mutex cache_rw_mutex; |
| |
| /* component */ |
| struct snd_soc_component component; |
| |
| /* dapm */ |
| struct snd_soc_dapm_context dapm; |
| |
| #ifdef CONFIG_DEBUG_FS |
| struct dentry *debugfs_codec_root; |
| 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; |
| |
| void (*seq_notifier)(struct snd_soc_dapm_context *, |
| enum snd_soc_dapm_type, int); |
| |
| /* codec stream completion event */ |
| int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); |
| |
| bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ |
| |
| /* probe ordering - for components with runtime dependencies */ |
| int probe_order; |
| int remove_order; |
| }; |
| |
| /* SoC platform interface */ |
| struct snd_soc_platform_driver { |
| |
| int (*probe)(struct snd_soc_platform *); |
| int (*remove)(struct snd_soc_platform *); |
| int (*suspend)(struct snd_soc_dai *dai); |
| int (*resume)(struct snd_soc_dai *dai); |
| 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 *); |
| |
| /* 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; |
| |
| /* |
| * 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; |
| |
| /* platform stream completion event */ |
| int (*stream_event)(struct snd_soc_dapm_context *dapm, int event); |
| |
| /* probe ordering - for components with runtime dependencies */ |
| int probe_order; |
| int remove_order; |
| |
| /* platform IO - used for platform DAPM */ |
| unsigned int (*read)(struct snd_soc_platform *, unsigned int); |
| int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); |
| int (*bespoke_trigger)(struct snd_pcm_substream *, int); |
| }; |
| |
| struct snd_soc_platform { |
| const char *name; |
| int id; |
| struct device *dev; |
| const struct snd_soc_platform_driver *driver; |
| |
| unsigned int suspended:1; /* platform is suspended */ |
| unsigned int probed:1; |
| |
| struct snd_soc_card *card; |
| struct list_head list; |
| struct list_head card_list; |
| |
| struct snd_soc_component component; |
| |
| struct snd_soc_dapm_context dapm; |
| |
| #ifdef CONFIG_DEBUG_FS |
| struct dentry *debugfs_platform_root; |
| #endif |
| }; |
| |
| 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; |
| const 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; |
| const struct device_node *codec_of_node; |
| /* You MUST specify the DAI name within the codec */ |
| const char *codec_dai_name; |
| /* |
| * 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; |
| const 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 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; |
| |
| /* 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; |
| const 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; |
| const struct device_node *codec_of_node; |
| |
| /* codec/machine specific init - e.g. add machine controls */ |
| int (*init)(struct snd_soc_dapm_context *dapm); |
| }; |
| |
| /* 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. |
| */ |
| const struct snd_soc_dapm_widget *dapm_widgets; |
| int num_dapm_widgets; |
| const struct snd_soc_dapm_route *dapm_routes; |
| int num_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 platform_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 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_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 container_of(dapm, struct snd_soc_platform, dapm); |
| } |
| |
| /* 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); |
| |
| /* 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); |
| |
| int snd_soc_component_init_io(struct snd_soc_component *component, |
| struct regmap *regmap); |
| |
| /* 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_codec_set_drvdata(struct snd_soc_codec *codec, |
| void *data) |
| { |
| dev_set_drvdata(codec->dev, data); |
| } |
| |
| static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) |
| { |
| return dev_get_drvdata(codec->dev); |
| } |
| |
| static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, |
| void *data) |
| { |
| dev_set_drvdata(platform->dev, data); |
| } |
| |
| static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) |
| { |
| return dev_get_drvdata(platform->dev); |
| } |
| |
| 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->platform_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 registerd 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); |
| |
| #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 |