| /* SPDX-License-Identifier: GPL-2.0 |
| * |
| * linux/sound/soc.h -- ALSA SoC Layer |
| * |
| * Author: Liam Girdwood |
| * Created: Aug 11th 2005 |
| * Copyright: Wolfson Microelectronics. PLC. |
| */ |
| |
| #ifndef __LINUX_SND_SOC_H |
| #define __LINUX_SND_SOC_H |
| |
| #include <linux/of.h> |
| #include <linux/platform_device.h> |
| #include <linux/types.h> |
| #include <linux/notifier.h> |
| #include <linux/workqueue.h> |
| #include <linux/interrupt.h> |
| #include <linux/kernel.h> |
| #include <linux/regmap.h> |
| #include <linux/log2.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/compress_driver.h> |
| #include <sound/control.h> |
| #include <sound/ac97_codec.h> |
| |
| /* |
| * Convenience kcontrol builders |
| */ |
| #define SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, xmax, xinvert, xautodisable) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, .shift = shift_left, \ |
| .rshift = shift_right, .max = xmax, .platform_max = xmax, \ |
| .invert = xinvert, .autodisable = xautodisable}) |
| #define SOC_DOUBLE_S_VALUE(xreg, shift_left, shift_right, xmin, xmax, xsign_bit, xinvert, xautodisable) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, .shift = shift_left, \ |
| .rshift = shift_right, .min = xmin, .max = xmax, .platform_max = xmax, \ |
| .sign_bit = xsign_bit, .invert = xinvert, .autodisable = xautodisable}) |
| #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, xautodisable) \ |
| SOC_DOUBLE_VALUE(xreg, xshift, xshift, xmax, xinvert, xautodisable) |
| #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| #define SOC_DOUBLE_R_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| #define SOC_DOUBLE_R_S_VALUE(xlreg, xrreg, xshift, xmin, xmax, xsign_bit, xinvert) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| .max = xmax, .min = xmin, .platform_max = xmax, .sign_bit = xsign_bit, \ |
| .invert = xinvert}) |
| #define SOC_DOUBLE_R_RANGE_VALUE(xlreg, xrreg, xshift, xmin, xmax, xinvert) \ |
| ((unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xlreg, .rreg = xrreg, .shift = xshift, .rshift = xshift, \ |
| .min = xmin, .max = xmax, .platform_max = xmax, .invert = xinvert}) |
| #define SOC_SINGLE(xname, reg, shift, max, invert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| .put = snd_soc_put_volsw, \ |
| .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
| #define SOC_SINGLE_RANGE(xname, xreg, xshift, xmin, xmax, xinvert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .info = snd_soc_info_volsw_range, .get = snd_soc_get_volsw_range, \ |
| .put = snd_soc_put_volsw_range, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, .shift = xshift, \ |
| .rshift = xshift, .min = xmin, .max = xmax, \ |
| .platform_max = xmax, .invert = xinvert} } |
| #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| .put = snd_soc_put_volsw, \ |
| .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert, 0) } |
| #define SOC_SINGLE_SX_TLV(xname, xreg, xshift, xmin, xmax, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array),\ |
| .info = snd_soc_info_volsw_sx, \ |
| .get = snd_soc_get_volsw_sx,\ |
| .put = snd_soc_put_volsw_sx, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, \ |
| .shift = xshift, .rshift = xshift, \ |
| .max = xmax, .min = xmin} } |
| #define SOC_SINGLE_RANGE_TLV(xname, xreg, xshift, xmin, xmax, xinvert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw_range, \ |
| .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, .shift = xshift, \ |
| .rshift = xshift, .min = xmin, .max = xmax, \ |
| .platform_max = xmax, .invert = xinvert} } |
| #define SOC_DOUBLE(xname, reg, shift_left, shift_right, max, invert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ |
| max, invert, 0) } |
| #define SOC_DOUBLE_STS(xname, reg, shift_left, shift_right, max, invert) \ |
| { \ |
| .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| .access = SNDRV_CTL_ELEM_ACCESS_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_VOLATILE, \ |
| .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ |
| max, invert, 0) } |
| #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .info = snd_soc_info_volsw, \ |
| .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| xmax, xinvert) } |
| #define SOC_DOUBLE_R_RANGE(xname, reg_left, reg_right, xshift, xmin, \ |
| xmax, xinvert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .info = snd_soc_info_volsw_range, \ |
| .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ |
| xshift, xmin, xmax, xinvert) } |
| #define SOC_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_VALUE(reg, shift_left, shift_right, \ |
| max, invert, 0) } |
| #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, \ |
| .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| xmax, xinvert) } |
| #define SOC_DOUBLE_R_RANGE_TLV(xname, reg_left, reg_right, xshift, xmin, \ |
| xmax, xinvert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw_range, \ |
| .get = snd_soc_get_volsw_range, .put = snd_soc_put_volsw_range, \ |
| .private_value = SOC_DOUBLE_R_RANGE_VALUE(reg_left, reg_right, \ |
| xshift, xmin, xmax, xinvert) } |
| #define SOC_DOUBLE_R_SX_TLV(xname, xreg, xrreg, xshift, xmin, xmax, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw_sx, \ |
| .get = snd_soc_get_volsw_sx, \ |
| .put = snd_soc_put_volsw_sx, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xrreg, \ |
| .shift = xshift, .rshift = xshift, \ |
| .max = xmax, .min = xmin} } |
| #define SOC_DOUBLE_R_S_TLV(xname, reg_left, reg_right, xshift, xmin, xmax, xsign_bit, xinvert, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, \ |
| .get = snd_soc_get_volsw, .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_R_S_VALUE(reg_left, reg_right, xshift, \ |
| xmin, xmax, xsign_bit, xinvert) } |
| #define SOC_SINGLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| .put = snd_soc_put_volsw, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, \ |
| .min = xmin, .max = xmax, .platform_max = xmax, \ |
| .sign_bit = 7,} } |
| #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| .put = snd_soc_put_volsw, \ |
| .private_value = SOC_DOUBLE_S_VALUE(xreg, 0, 8, xmin, xmax, 7, 0, 0) } |
| #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xitems, xtexts) \ |
| { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| .items = xitems, .texts = xtexts, \ |
| .mask = xitems ? roundup_pow_of_two(xitems) - 1 : 0} |
| #define SOC_ENUM_SINGLE(xreg, xshift, xitems, xtexts) \ |
| SOC_ENUM_DOUBLE(xreg, xshift, xshift, xitems, xtexts) |
| #define SOC_ENUM_SINGLE_EXT(xitems, xtexts) \ |
| { .items = xitems, .texts = xtexts } |
| #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xitems, xtexts, xvalues) \ |
| { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| .mask = xmask, .items = xitems, .texts = xtexts, .values = xvalues} |
| #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ |
| SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xitems, xtexts, xvalues) |
| #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, xshift, xmask, xitems, xtexts, xvalues) \ |
| { .reg = xreg, .shift_l = xshift, .shift_r = xshift, \ |
| .mask = xmask, .items = xitems, .texts = xtexts, \ |
| .values = xvalues, .autodisable = 1} |
| #define SOC_ENUM_SINGLE_VIRT(xitems, xtexts) \ |
| SOC_ENUM_SINGLE(SND_SOC_NOPM, 0, xitems, xtexts) |
| #define SOC_ENUM(xname, xenum) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ |
| .info = snd_soc_info_enum_double, \ |
| .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ |
| .private_value = (unsigned long)&xenum } |
| #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ |
| xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } |
| #define SOC_DOUBLE_EXT(xname, reg, shift_left, shift_right, max, invert,\ |
| xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = \ |
| SOC_DOUBLE_VALUE(reg, shift_left, shift_right, max, invert, 0) } |
| #define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\ |
| xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| xmax, xinvert) } |
| #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ |
| xhandler_get, xhandler_put, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert, 0) } |
| #define SOC_SINGLE_RANGE_EXT_TLV(xname, xreg, xshift, xmin, xmax, xinvert, \ |
| xhandler_get, xhandler_put, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw_range, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| {.reg = xreg, .rreg = xreg, .shift = xshift, \ |
| .rshift = xshift, .min = xmin, .max = xmax, \ |
| .platform_max = xmax, .invert = xinvert} } |
| #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ |
| xhandler_get, xhandler_put, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = SOC_DOUBLE_VALUE(xreg, shift_left, shift_right, \ |
| xmax, xinvert, 0) } |
| #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ |
| xhandler_get, xhandler_put, tlv_array) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| .tlv.p = (tlv_array), \ |
| .info = snd_soc_info_volsw, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \ |
| xmax, xinvert) } |
| #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_info_bool_ext, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = xdata } |
| #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_info_enum_double, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = (unsigned long)&xenum } |
| #define SOC_VALUE_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) |
| |
| #define SND_SOC_BYTES(xname, xbase, xregs) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ |
| .put = snd_soc_bytes_put, .private_value = \ |
| ((unsigned long)&(struct soc_bytes) \ |
| {.base = xbase, .num_regs = xregs }) } |
| |
| #define SND_SOC_BYTES_MASK(xname, xbase, xregs, xmask) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_bytes_info, .get = snd_soc_bytes_get, \ |
| .put = snd_soc_bytes_put, .private_value = \ |
| ((unsigned long)&(struct soc_bytes) \ |
| {.base = xbase, .num_regs = xregs, \ |
| .mask = xmask }) } |
| |
| /* |
| * SND_SOC_BYTES_EXT is deprecated, please USE SND_SOC_BYTES_TLV instead |
| */ |
| #define SND_SOC_BYTES_EXT(xname, xcount, xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .info = snd_soc_bytes_info_ext, \ |
| .get = xhandler_get, .put = xhandler_put, \ |
| .private_value = (unsigned long)&(struct soc_bytes_ext) \ |
| {.max = xcount} } |
| #define SND_SOC_BYTES_TLV(xname, xcount, xhandler_get, xhandler_put) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| .access = SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | \ |
| SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ |
| .tlv.c = (snd_soc_bytes_tlv_callback), \ |
| .info = snd_soc_bytes_info_ext, \ |
| .private_value = (unsigned long)&(struct soc_bytes_ext) \ |
| {.max = xcount, .get = xhandler_get, .put = xhandler_put, } } |
| #define SOC_SINGLE_XR_SX(xname, xregbase, xregcount, xnbits, \ |
| xmin, xmax, xinvert) \ |
| { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| .info = snd_soc_info_xr_sx, .get = snd_soc_get_xr_sx, \ |
| .put = snd_soc_put_xr_sx, \ |
| .private_value = (unsigned long)&(struct soc_mreg_control) \ |
| {.regbase = xregbase, .regcount = xregcount, .nbits = xnbits, \ |
| .invert = xinvert, .min = xmin, .max = xmax} } |
| |
| #define SOC_SINGLE_STROBE(xname, xreg, xshift, xinvert) \ |
| SOC_SINGLE_EXT(xname, xreg, xshift, 1, xinvert, \ |
| snd_soc_get_strobe, snd_soc_put_strobe) |
| |
| /* |
| * Simplified versions of above macros, declaring a struct and calculating |
| * ARRAY_SIZE internally |
| */ |
| #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ |
| const struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ |
| ARRAY_SIZE(xtexts), xtexts) |
| #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ |
| SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) |
| #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ |
| const struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) |
| #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ |
| const struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ |
| ARRAY_SIZE(xtexts), xtexts, xvalues) |
| #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ |
| SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) |
| |
| #define SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ |
| const struct soc_enum name = SOC_VALUE_ENUM_SINGLE_AUTODISABLE(xreg, \ |
| xshift, xmask, ARRAY_SIZE(xtexts), xtexts, xvalues) |
| |
| #define SOC_ENUM_SINGLE_VIRT_DECL(name, xtexts) \ |
| const struct soc_enum name = SOC_ENUM_SINGLE_VIRT(ARRAY_SIZE(xtexts), xtexts) |
| |
| /* |
| * Bias levels |
| * |
| * @ON: Bias is fully on for audio playback and capture operations. |
| * @PREPARE: Prepare for audio operations. Called before DAPM switching for |
| * stream start and stop operations. |
| * @STANDBY: Low power standby state when no playback/capture operations are |
| * in progress. NOTE: The transition time between STANDBY and ON |
| * should be as fast as possible and no longer than 10ms. |
| * @OFF: Power Off. No restrictions on transition times. |
| */ |
| enum snd_soc_bias_level { |
| SND_SOC_BIAS_OFF = 0, |
| SND_SOC_BIAS_STANDBY = 1, |
| SND_SOC_BIAS_PREPARE = 2, |
| SND_SOC_BIAS_ON = 3, |
| }; |
| |
| struct device_node; |
| struct snd_jack; |
| struct snd_soc_card; |
| struct snd_soc_pcm_stream; |
| struct snd_soc_ops; |
| struct snd_soc_pcm_runtime; |
| struct snd_soc_dai; |
| struct snd_soc_dai_driver; |
| struct snd_soc_dai_link; |
| struct snd_soc_component; |
| struct snd_soc_component_driver; |
| struct soc_enum; |
| struct snd_soc_jack; |
| struct snd_soc_jack_zone; |
| struct snd_soc_jack_pin; |
| #include <sound/soc-dapm.h> |
| #include <sound/soc-dpcm.h> |
| #include <sound/soc-topology.h> |
| |
| struct snd_soc_jack_gpio; |
| |
| typedef int (*hw_write_t)(void *,const char* ,int); |
| |
| enum snd_soc_pcm_subclass { |
| SND_SOC_PCM_CLASS_PCM = 0, |
| SND_SOC_PCM_CLASS_BE = 1, |
| }; |
| |
| enum snd_soc_card_subclass { |
| SND_SOC_CARD_CLASS_INIT = 0, |
| SND_SOC_CARD_CLASS_RUNTIME = 1, |
| }; |
| |
| int snd_soc_register_card(struct snd_soc_card *card); |
| int snd_soc_unregister_card(struct snd_soc_card *card); |
| int devm_snd_soc_register_card(struct device *dev, struct snd_soc_card *card); |
| #ifdef CONFIG_PM_SLEEP |
| int snd_soc_suspend(struct device *dev); |
| int snd_soc_resume(struct device *dev); |
| #else |
| static inline int snd_soc_suspend(struct device *dev) |
| { |
| return 0; |
| } |
| |
| static inline int snd_soc_resume(struct device *dev) |
| { |
| return 0; |
| } |
| #endif |
| int snd_soc_poweroff(struct device *dev); |
| int snd_soc_add_component(struct device *dev, |
| struct snd_soc_component *component, |
| const struct snd_soc_component_driver *component_driver, |
| struct snd_soc_dai_driver *dai_drv, |
| int num_dai); |
| int snd_soc_register_component(struct device *dev, |
| const struct snd_soc_component_driver *component_driver, |
| struct snd_soc_dai_driver *dai_drv, int num_dai); |
| int devm_snd_soc_register_component(struct device *dev, |
| const struct snd_soc_component_driver *component_driver, |
| struct snd_soc_dai_driver *dai_drv, int num_dai); |
| void snd_soc_unregister_component(struct device *dev); |
| struct snd_soc_component *snd_soc_lookup_component(struct device *dev, |
| const char *driver_name); |
| |
| int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); |
| #ifdef CONFIG_SND_SOC_COMPRESS |
| int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num); |
| #else |
| static inline int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) |
| { |
| return 0; |
| } |
| #endif |
| |
| void snd_soc_disconnect_sync(struct device *dev); |
| |
| struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
| const char *dai_link, int stream); |
| struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, |
| const char *dai_link); |
| |
| bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); |
| void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); |
| void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); |
| |
| int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, |
| unsigned int dai_fmt); |
| |
| #ifdef CONFIG_DMI |
| int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour); |
| #else |
| static inline int snd_soc_set_dmi_name(struct snd_soc_card *card, |
| const char *flavour) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* Utility functions to get clock rates from various things */ |
| int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); |
| int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); |
| int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); |
| int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); |
| |
| /* set runtime hw params */ |
| int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| const struct snd_pcm_hardware *hw); |
| |
| /* 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 |
| |
| struct snd_ac97 *snd_soc_alloc_ac97_component(struct snd_soc_component *component); |
| struct snd_ac97 *snd_soc_new_ac97_component(struct snd_soc_component *component, |
| unsigned int id, unsigned int id_mask); |
| void snd_soc_free_ac97_component(struct snd_ac97 *ac97); |
| |
| #ifdef CONFIG_SND_SOC_AC97_BUS |
| int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops); |
| int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| struct platform_device *pdev); |
| |
| extern struct snd_ac97_bus_ops *soc_ac97_ops; |
| #else |
| static inline int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, |
| struct platform_device *pdev) |
| { |
| return 0; |
| } |
| |
| static inline int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* |
| *Controls |
| */ |
| struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| void *data, const char *long_name, |
| const char *prefix); |
| struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
| const char *name); |
| int snd_soc_add_component_controls(struct snd_soc_component *component, |
| const struct snd_kcontrol_new *controls, unsigned int num_controls); |
| int snd_soc_add_card_controls(struct snd_soc_card *soc_card, |
| const struct snd_kcontrol_new *controls, int num_controls); |
| int snd_soc_add_dai_controls(struct snd_soc_dai *dai, |
| const struct snd_kcontrol_new *controls, int num_controls); |
| int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_info_volsw_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info |
| int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| #define snd_soc_get_volsw_2r snd_soc_get_volsw |
| #define snd_soc_put_volsw_2r snd_soc_put_volsw |
| int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_limit_volume(struct snd_soc_card *card, |
| const char *name, int max); |
| int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *ucontrol); |
| int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
| unsigned int size, unsigned int __user *tlv); |
| int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_info *uinfo); |
| int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, |
| struct snd_ctl_elem_value *ucontrol); |
| |
| /** |
| * struct snd_soc_jack_pin - Describes a pin to update based on jack detection |
| * |
| * @pin: name of the pin to update |
| * @mask: bits to check for in reported jack status |
| * @invert: if non-zero then pin is enabled when status is not reported |
| * @list: internal list entry |
| */ |
| struct snd_soc_jack_pin { |
| struct list_head list; |
| const char *pin; |
| int mask; |
| bool invert; |
| }; |
| |
| /** |
| * struct snd_soc_jack_zone - Describes voltage zones of jack detection |
| * |
| * @min_mv: start voltage in mv |
| * @max_mv: end voltage in mv |
| * @jack_type: type of jack that is expected for this voltage |
| * @debounce_time: debounce_time for jack, codec driver should wait for this |
| * duration before reading the adc for voltages |
| * @list: internal list entry |
| */ |
| struct snd_soc_jack_zone { |
| unsigned int min_mv; |
| unsigned int max_mv; |
| unsigned int jack_type; |
| unsigned int debounce_time; |
| struct list_head list; |
| }; |
| |
| /** |
| * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection |
| * |
| * @gpio: legacy gpio number |
| * @idx: gpio descriptor index within the function of the GPIO |
| * consumer device |
| * @gpiod_dev: GPIO consumer device |
| * @name: gpio name. Also as connection ID for the GPIO consumer |
| * device function name lookup |
| * @report: value to report when jack detected |
| * @invert: report presence in low state |
| * @debounce_time: debounce time in ms |
| * @wake: enable as wake source |
| * @jack_status_check: callback function which overrides the detection |
| * to provide more complex checks (eg, reading an |
| * ADC). |
| */ |
| struct snd_soc_jack_gpio { |
| unsigned int gpio; |
| unsigned int idx; |
| struct device *gpiod_dev; |
| const char *name; |
| int report; |
| int invert; |
| int debounce_time; |
| bool wake; |
| |
| /* private: */ |
| struct snd_soc_jack *jack; |
| struct delayed_work work; |
| struct notifier_block pm_notifier; |
| struct gpio_desc *desc; |
| |
| void *data; |
| /* public: */ |
| int (*jack_status_check)(void *data); |
| }; |
| |
| struct snd_soc_jack { |
| struct mutex mutex; |
| struct snd_jack *jack; |
| struct snd_soc_card *card; |
| struct list_head pins; |
| int status; |
| struct blocking_notifier_head notifier; |
| struct list_head jack_zones; |
| }; |
| |
| /* SoC PCM stream information */ |
| struct snd_soc_pcm_stream { |
| const char *stream_name; |
| u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
| unsigned int rates; /* SNDRV_PCM_RATE_* */ |
| unsigned int rate_min; /* min rate */ |
| unsigned int rate_max; /* max rate */ |
| unsigned int channels_min; /* min channels */ |
| unsigned int channels_max; /* max channels */ |
| unsigned int sig_bits; /* number of bits of content */ |
| }; |
| |
| /* SoC audio ops */ |
| struct snd_soc_ops { |
| int (*startup)(struct snd_pcm_substream *); |
| void (*shutdown)(struct snd_pcm_substream *); |
| int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); |
| int (*hw_free)(struct snd_pcm_substream *); |
| int (*prepare)(struct snd_pcm_substream *); |
| int (*trigger)(struct snd_pcm_substream *, int); |
| }; |
| |
| struct snd_soc_compr_ops { |
| int (*startup)(struct snd_compr_stream *); |
| void (*shutdown)(struct snd_compr_stream *); |
| int (*set_params)(struct snd_compr_stream *); |
| int (*trigger)(struct snd_compr_stream *); |
| }; |
| |
| struct snd_soc_rtdcom_list { |
| struct snd_soc_component *component; |
| struct list_head list; /* rtd::component_list */ |
| }; |
| struct snd_soc_component* |
| snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd, |
| const char *driver_name); |
| #define for_each_rtdcom(rtd, rtdcom) \ |
| list_for_each_entry(rtdcom, &(rtd)->component_list, list) |
| #define for_each_rtdcom_safe(rtd, rtdcom1, rtdcom2) \ |
| list_for_each_entry_safe(rtdcom1, rtdcom2, &(rtd)->component_list, list) |
| |
| struct snd_soc_dai_link_component { |
| const char *name; |
| struct device_node *of_node; |
| const char *dai_name; |
| }; |
| |
| struct snd_soc_dai_link { |
| /* config - must be set by machine driver */ |
| const char *name; /* Codec name */ |
| const char *stream_name; /* Stream name */ |
| |
| /* |
| * You MAY specify the link's CPU-side device, either by device name, |
| * or by DT/OF node, but not both. If this information is omitted, |
| * the CPU-side DAI is matched using .cpu_dai_name only, which hence |
| * must be globally unique. These fields are currently typically used |
| * only for codec to codec links, or systems using device tree. |
| */ |
| /* |
| * 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. |
| */ |
| struct snd_soc_dai_link_component *cpus; |
| unsigned int num_cpus; |
| |
| /* |
| * You MUST specify the link's codec, either by device name, or by |
| * DT/OF node, but not both. |
| */ |
| /* You MUST specify the DAI name within the codec */ |
| 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. In such case, platforms are not mandatory. |
| */ |
| struct snd_soc_dai_link_component *platforms; |
| unsigned int num_platforms; |
| |
| int id; /* optional ID for machine driver link identification */ |
| |
| const struct snd_soc_pcm_stream *params; |
| unsigned int num_params; |
| |
| unsigned int dai_fmt; /* format to set on init */ |
| |
| enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */ |
| |
| /* codec/machine specific init - e.g. add machine controls */ |
| int (*init)(struct snd_soc_pcm_runtime *rtd); |
| |
| /* optional hw_params re-writing for BE and FE sync */ |
| int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd, |
| struct snd_pcm_hw_params *params); |
| |
| /* machine stream operations */ |
| const struct snd_soc_ops *ops; |
| const struct snd_soc_compr_ops *compr_ops; |
| |
| /* Mark this pcm with non atomic ops */ |
| bool nonatomic; |
| |
| /* For unidirectional dai links */ |
| unsigned int playback_only:1; |
| unsigned int capture_only:1; |
| |
| /* Keep DAI active over suspend */ |
| unsigned int ignore_suspend:1; |
| |
| /* Symmetry requirements */ |
| unsigned int symmetric_rates:1; |
| unsigned int symmetric_channels:1; |
| unsigned int symmetric_samplebits:1; |
| |
| /* Do not create a PCM for this DAI link (Backend link) */ |
| unsigned int no_pcm:1; |
| |
| /* This DAI link can route to other DAI links at runtime (Frontend)*/ |
| unsigned int dynamic:1; |
| |
| /* DPCM capture and Playback support */ |
| unsigned int dpcm_capture:1; |
| unsigned int dpcm_playback:1; |
| |
| /* DPCM used FE & BE merged format */ |
| unsigned int dpcm_merged_format:1; |
| /* DPCM used FE & BE merged channel */ |
| unsigned int dpcm_merged_chan:1; |
| /* DPCM used FE & BE merged rate */ |
| unsigned int dpcm_merged_rate:1; |
| |
| /* pmdown_time is ignored at stop */ |
| unsigned int ignore_pmdown_time:1; |
| |
| /* Do not create a PCM for this DAI link (Backend link) */ |
| unsigned int ignore:1; |
| |
| struct list_head list; /* DAI link list of the soc card */ |
| struct snd_soc_dobj dobj; /* For topology */ |
| }; |
| #define for_each_link_codecs(link, i, codec) \ |
| for ((i) = 0; \ |
| ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \ |
| (i)++) |
| |
| #define for_each_link_platforms(link, i, platform) \ |
| for ((i) = 0; \ |
| ((i) < link->num_platforms) && \ |
| ((platform) = &link->platforms[i]); \ |
| (i)++) |
| |
| /* |
| * Sample 1 : Single CPU/Codec/Platform |
| * |
| * SND_SOC_DAILINK_DEFS(test, |
| * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), |
| * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), |
| * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); |
| * |
| * struct snd_soc_dai_link link = { |
| * ... |
| * SND_SOC_DAILINK_REG(test), |
| * }; |
| * |
| * Sample 2 : Multi CPU/Codec, no Platform |
| * |
| * SND_SOC_DAILINK_DEFS(test, |
| * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), |
| * COMP_CPU("cpu_dai2")), |
| * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), |
| * COMP_CODEC("codec2", "codec_dai2"))); |
| * |
| * struct snd_soc_dai_link link = { |
| * ... |
| * SND_SOC_DAILINK_REG(test), |
| * }; |
| * |
| * Sample 3 : Define each CPU/Codec/Platform manually |
| * |
| * SND_SOC_DAILINK_DEF(test_cpu, |
| * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), |
| * COMP_CPU("cpu_dai2"))); |
| * SND_SOC_DAILINK_DEF(test_codec, |
| * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), |
| * COMP_CODEC("codec2", "codec_dai2"))); |
| * SND_SOC_DAILINK_DEF(test_platform, |
| * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); |
| * |
| * struct snd_soc_dai_link link = { |
| * ... |
| * SND_SOC_DAILINK_REG(test_cpu, |
| * test_codec, |
| * test_platform), |
| * }; |
| * |
| * Sample 4 : Sample3 without platform |
| * |
| * struct snd_soc_dai_link link = { |
| * ... |
| * SND_SOC_DAILINK_REG(test_cpu, |
| * test_codec); |
| * }; |
| */ |
| |
| #define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) |
| #define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) |
| #define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ |
| .cpus = cpu, \ |
| .num_cpus = ARRAY_SIZE(cpu), \ |
| .codecs = codec, \ |
| .num_codecs = ARRAY_SIZE(codec), \ |
| .platforms = platform, \ |
| .num_platforms = ARRAY_SIZE(platform) |
| |
| #define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func |
| #define SND_SOC_DAILINK_REG(...) \ |
| SND_SOC_DAILINK_REGx(__VA_ARGS__, \ |
| SND_SOC_DAILINK_REG3, \ |
| SND_SOC_DAILINK_REG2, \ |
| SND_SOC_DAILINK_REG1)(__VA_ARGS__) |
| |
| #define SND_SOC_DAILINK_DEF(name, def...) \ |
| static struct snd_soc_dai_link_component name[] = { def } |
| |
| #define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ |
| SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ |
| SND_SOC_DAILINK_DEF(name##_codecs, codec); \ |
| SND_SOC_DAILINK_DEF(name##_platforms, platform) |
| |
| #define DAILINK_COMP_ARRAY(param...) param |
| #define COMP_EMPTY() { } |
| #define COMP_CPU(_dai) { .dai_name = _dai, } |
| #define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } |
| #define COMP_PLATFORM(_name) { .name = _name } |
| #define COMP_AUX(_name) { .name = _name } |
| #define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } |
| |
| extern struct snd_soc_dai_link_component null_dailink_component[0]; |
| |
| |
| 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 { |
| /* |
| * specify multi-codec either by device name, or by |
| * DT/OF node, but not both. |
| */ |
| struct snd_soc_dai_link_component dlc; |
| |
| /* codec/machine specific init - e.g. add machine controls */ |
| int (*init)(struct snd_soc_component *component); |
| }; |
| |
| /* SoC card */ |
| struct snd_soc_card { |
| const char *name; |
| const char *long_name; |
| const char *driver_name; |
| char dmi_longname[80]; |
| char topology_shortname[32]; |
| |
| struct device *dev; |
| struct snd_card *snd_card; |
| struct module *owner; |
| |
| struct mutex mutex; |
| struct mutex dapm_mutex; |
| |
| /* Mutex for PCM operations */ |
| struct mutex pcm_mutex; |
| enum snd_soc_pcm_subclass pcm_subclass; |
| |
| spinlock_t dpcm_lock; |
| |
| bool instantiated; |
| bool topology_shortname_created; |
| |
| int (*probe)(struct snd_soc_card *card); |
| int (*late_probe)(struct snd_soc_card *card); |
| int (*remove)(struct snd_soc_card *card); |
| |
| /* the pre and post PM functions are used to do any PM work before and |
| * after the codec and DAI's do any PM work. */ |
| int (*suspend_pre)(struct snd_soc_card *card); |
| int (*suspend_post)(struct snd_soc_card *card); |
| int (*resume_pre)(struct snd_soc_card *card); |
| int (*resume_post)(struct snd_soc_card *card); |
| |
| /* callbacks */ |
| int (*set_bias_level)(struct snd_soc_card *, |
| struct snd_soc_dapm_context *dapm, |
| enum snd_soc_bias_level level); |
| int (*set_bias_level_post)(struct snd_soc_card *, |
| struct snd_soc_dapm_context *dapm, |
| enum snd_soc_bias_level level); |
| |
| int (*add_dai_link)(struct snd_soc_card *, |
| struct snd_soc_dai_link *link); |
| void (*remove_dai_link)(struct snd_soc_card *, |
| struct snd_soc_dai_link *link); |
| |
| long pmdown_time; |
| |
| /* CPU <--> Codec DAI links */ |
| struct snd_soc_dai_link *dai_link; /* predefined links only */ |
| int num_links; /* predefined links only */ |
| struct list_head dai_link_list; /* all links */ |
| |
| struct list_head rtd_list; |
| int num_rtd; |
| |
| /* optional codec specific configuration */ |
| struct snd_soc_codec_conf *codec_conf; |
| int num_configs; |
| |
| /* |
| * optional auxiliary devices such as amplifiers or codecs with DAI |
| * link unused |
| */ |
| struct snd_soc_aux_dev *aux_dev; |
| int num_aux_devs; |
| struct list_head aux_comp_list; |
| |
| const struct snd_kcontrol_new *controls; |
| int num_controls; |
| |
| /* |
| * Card-specific routes and widgets. |
| * Note: of_dapm_xxx for Device Tree; Otherwise for driver build-in. |
| */ |
| const struct snd_soc_dapm_widget *dapm_widgets; |
| int num_dapm_widgets; |
| const struct snd_soc_dapm_route *dapm_routes; |
| int num_dapm_routes; |
| const struct snd_soc_dapm_widget *of_dapm_widgets; |
| int num_of_dapm_widgets; |
| const struct snd_soc_dapm_route *of_dapm_routes; |
| int num_of_dapm_routes; |
| bool fully_routed; |
| |
| /* lists of probed devices belonging to this card */ |
| struct list_head component_dev_list; |
| struct list_head list; |
| |
| struct list_head widgets; |
| struct list_head paths; |
| struct list_head dapm_list; |
| struct list_head dapm_dirty; |
| |
| /* attached dynamic objects */ |
| struct list_head dobj_list; |
| |
| /* Generic DAPM context for the card */ |
| struct snd_soc_dapm_context dapm; |
| struct snd_soc_dapm_stats dapm_stats; |
| struct snd_soc_dapm_update *update; |
| |
| #ifdef CONFIG_DEBUG_FS |
| struct dentry *debugfs_card_root; |
| #endif |
| #ifdef CONFIG_PM_SLEEP |
| struct work_struct deferred_resume_work; |
| #endif |
| u32 pop_time; |
| |
| void *drvdata; |
| }; |
| #define for_each_card_prelinks(card, i, link) \ |
| for ((i) = 0; \ |
| ((i) < (card)->num_links) && ((link) = &(card)->dai_link[i]); \ |
| (i)++) |
| #define for_each_card_pre_auxs(card, i, aux) \ |
| for ((i) = 0; \ |
| ((i) < (card)->num_aux_devs) && ((aux) = &(card)->aux_dev[i]); \ |
| (i)++) |
| |
| #define for_each_card_links(card, link) \ |
| list_for_each_entry(link, &(card)->dai_link_list, list) |
| #define for_each_card_links_safe(card, link, _link) \ |
| list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list) |
| |
| #define for_each_card_rtds(card, rtd) \ |
| list_for_each_entry(rtd, &(card)->rtd_list, list) |
| #define for_each_card_rtds_safe(card, rtd, _rtd) \ |
| list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list) |
| |
| #define for_each_card_auxs(card, component) \ |
| list_for_each_entry(component, &card->aux_comp_list, card_aux_list) |
| #define for_each_card_auxs_safe(card, component, _comp) \ |
| list_for_each_entry_safe(component, _comp, \ |
| &card->aux_comp_list, card_aux_list) |
| |
| #define for_each_card_components(card, component) \ |
| list_for_each_entry(component, &(card)->component_dev_list, card_list) |
| |
| /* 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 snd_pcm_ops ops; |
| |
| unsigned int params_select; /* currently selected param for dai link */ |
| |
| /* Dynamic PCM BE runtime data */ |
| struct snd_soc_dpcm_runtime dpcm[2]; |
| |
| long pmdown_time; |
| |
| /* runtime devices */ |
| struct snd_pcm *pcm; |
| struct snd_compr *compr; |
| struct snd_soc_dai *codec_dai; |
| struct snd_soc_dai *cpu_dai; |
| |
| struct snd_soc_dai **codec_dais; |
| unsigned int num_codecs; |
| |
| struct delayed_work delayed_work; |
| #ifdef CONFIG_DEBUG_FS |
| struct dentry *debugfs_dpcm_root; |
| #endif |
| |
| unsigned int num; /* 0-based and monotonic increasing */ |
| struct list_head list; /* rtd list of the soc card */ |
| struct list_head component_list; /* list of connected components */ |
| |
| /* bit field */ |
| unsigned int dev_registered:1; |
| unsigned int pop_wait:1; |
| unsigned int fe_compr:1; /* for Dynamic PCM */ |
| }; |
| #define for_each_rtd_codec_dai(rtd, i, dai)\ |
| for ((i) = 0; \ |
| ((i) < rtd->num_codecs) && ((dai) = rtd->codec_dais[i]); \ |
| (i)++) |
| #define for_each_rtd_codec_dai_rollback(rtd, i, dai) \ |
| for (; ((--i) >= 0) && ((dai) = rtd->codec_dais[i]);) |
| |
| |
| /* mixer control */ |
| struct soc_mixer_control { |
| int min, max, platform_max; |
| int reg, rreg; |
| unsigned int shift, rshift; |
| unsigned int sign_bit; |
| unsigned int invert:1; |
| unsigned int autodisable:1; |
| struct snd_soc_dobj dobj; |
| }; |
| |
| struct soc_bytes { |
| int base; |
| int num_regs; |
| u32 mask; |
| }; |
| |
| struct soc_bytes_ext { |
| int max; |
| struct snd_soc_dobj dobj; |
| |
| /* used for TLV byte control */ |
| int (*get)(struct snd_kcontrol *kcontrol, unsigned int __user *bytes, |
| unsigned int size); |
| int (*put)(struct snd_kcontrol *kcontrol, const unsigned int __user *bytes, |
| unsigned int size); |
| }; |
| |
| /* multi register control */ |
| struct soc_mreg_control { |
| long min, max; |
| unsigned int regbase, regcount, nbits, invert; |
| }; |
| |
| /* enumerated kcontrol */ |
| struct soc_enum { |
| int reg; |
| unsigned char shift_l; |
| unsigned char shift_r; |
| unsigned int items; |
| unsigned int mask; |
| const char * const *texts; |
| const unsigned int *values; |
| unsigned int autodisable:1; |
| struct snd_soc_dobj dobj; |
| }; |
| |
| /* 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_initialize_card_lists(struct snd_soc_card *card) |
| { |
| INIT_LIST_HEAD(&card->widgets); |
| INIT_LIST_HEAD(&card->paths); |
| INIT_LIST_HEAD(&card->dapm_list); |
| INIT_LIST_HEAD(&card->aux_comp_list); |
| INIT_LIST_HEAD(&card->component_dev_list); |
| INIT_LIST_HEAD(&card->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]; |
| } |
| |
| /** |
| * snd_soc_kcontrol_component() - Returns the component that registered the |
| * control |
| * @kcontrol: The control for which to get the component |
| * |
| * Note: This function will work correctly if the control has been registered |
| * for a component. With snd_soc_add_codec_controls() or via table based |
| * setup for either a CODEC or component driver. Otherwise the behavior is |
| * undefined. |
| */ |
| static inline struct snd_soc_component *snd_soc_kcontrol_component( |
| struct snd_kcontrol *kcontrol) |
| { |
| return snd_kcontrol_chip(kcontrol); |
| } |
| |
| int snd_soc_util_init(void); |
| void snd_soc_util_exit(void); |
| |
| int snd_soc_of_parse_card_name(struct snd_soc_card *card, |
| const char *propname); |
| int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, |
| const char *propname); |
| int snd_soc_of_get_slot_mask(struct device_node *np, |
| const char *prop_name, |
| unsigned int *mask); |
| int snd_soc_of_parse_tdm_slot(struct device_node *np, |
| unsigned int *tx_mask, |
| unsigned int *rx_mask, |
| unsigned int *slots, |
| unsigned int *slot_width); |
| void snd_soc_of_parse_node_prefix(struct device_node *np, |
| struct snd_soc_codec_conf *codec_conf, |
| struct device_node *of_node, |
| const char *propname); |
| static inline |
| void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card, |
| struct snd_soc_codec_conf *codec_conf, |
| struct device_node *of_node, |
| const char *propname) |
| { |
| snd_soc_of_parse_node_prefix(card->dev->of_node, |
| codec_conf, of_node, propname); |
| } |
| |
| int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
| const char *propname); |
| unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
| const char *prefix, |
| struct device_node **bitclkmaster, |
| struct device_node **framemaster); |
| int snd_soc_get_dai_id(struct device_node *ep); |
| int snd_soc_get_dai_name(struct of_phandle_args *args, |
| const char **dai_name); |
| int snd_soc_of_get_dai_name(struct device_node *of_node, |
| const char **dai_name); |
| int snd_soc_of_get_dai_link_codecs(struct device *dev, |
| struct device_node *of_node, |
| struct snd_soc_dai_link *dai_link); |
| void snd_soc_of_put_dai_link_codecs(struct snd_soc_dai_link *dai_link); |
| |
| int snd_soc_add_dai_link(struct snd_soc_card *card, |
| struct snd_soc_dai_link *dai_link); |
| void snd_soc_remove_dai_link(struct snd_soc_card *card, |
| struct snd_soc_dai_link *dai_link); |
| struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, |
| int id, const char *name, |
| const char *stream_name); |
| |
| int snd_soc_register_dai(struct snd_soc_component *component, |
| struct snd_soc_dai_driver *dai_drv); |
| |
| struct snd_soc_dai *snd_soc_find_dai( |
| const struct snd_soc_dai_link_component *dlc); |
| |
| #include <sound/soc-dai.h> |
| |
| static inline |
| struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card, |
| const char *dai_name) |
| { |
| struct snd_soc_pcm_runtime *rtd; |
| |
| list_for_each_entry(rtd, &card->rtd_list, list) { |
| if (!strcmp(rtd->codec_dai->name, dai_name)) |
| return rtd->codec_dai; |
| } |
| |
| return NULL; |
| } |
| |
| static inline |
| int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, |
| const char *platform_name) |
| { |
| struct snd_soc_dai_link *dai_link; |
| const char *name; |
| int i; |
| |
| if (!platform_name) /* nothing to do */ |
| return 0; |
| |
| /* set platform name for each dailink */ |
| for_each_card_prelinks(card, i, dai_link) { |
| name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL); |
| if (!name) |
| return -ENOMEM; |
| |
| if (!dai_link->platforms) |
| return -EINVAL; |
| |
| /* only single platform is supported for now */ |
| dai_link->platforms->name = name; |
| } |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_DEBUG_FS |
| extern struct dentry *snd_soc_debugfs_root; |
| #endif |
| |
| extern const struct dev_pm_ops snd_soc_pm_ops; |
| |
| /* Helper functions */ |
| static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm) |
| { |
| mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); |
| } |
| |
| static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm) |
| { |
| mutex_unlock(&dapm->card->dapm_mutex); |
| } |
| |
| #include <sound/soc-component.h> |
| |
| #endif |