Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/sound/soc.h -- ALSA SoC Layer |
| 3 | * |
| 4 | * Author: Liam Girdwood |
| 5 | * Created: Aug 11th 2005 |
| 6 | * Copyright: Wolfson Microelectronics. PLC. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __LINUX_SND_SOC_H |
| 14 | #define __LINUX_SND_SOC_H |
| 15 | |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/types.h> |
Mark Brown | d5021ec | 2010-03-22 12:06:30 +0000 | [diff] [blame] | 18 | #include <linux/notifier.h> |
Andrew Morton | 4484bb2 | 2006-12-15 09:30:07 +0100 | [diff] [blame] | 19 | #include <linux/workqueue.h> |
Lopez Cruz, Misael | ec67624 | 2009-03-03 15:25:04 -0600 | [diff] [blame] | 20 | #include <linux/interrupt.h> |
| 21 | #include <linux/kernel.h> |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 22 | #include <sound/core.h> |
| 23 | #include <sound/pcm.h> |
| 24 | #include <sound/control.h> |
| 25 | #include <sound/ac97_codec.h> |
| 26 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 27 | /* |
| 28 | * Convenience kcontrol builders |
| 29 | */ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 30 | #define SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) \ |
| 31 | ((unsigned long)&(struct soc_mixer_control) \ |
Mark Brown | 762b8df | 2008-10-30 12:37:08 +0000 | [diff] [blame] | 32 | {.reg = xreg, .shift = xshift, .rshift = xshift, .max = xmax, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 33 | .platform_max = xmax, .invert = xinvert}) |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 34 | #define SOC_SINGLE_VALUE_EXT(xreg, xmax, xinvert) \ |
| 35 | ((unsigned long)&(struct soc_mixer_control) \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 36 | {.reg = xreg, .max = xmax, .platform_max = xmax, .invert = xinvert}) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 37 | #define SOC_SINGLE(xname, reg, shift, max, invert) \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 38 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 39 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 40 | .put = snd_soc_put_volsw, \ |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 41 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } |
| 42 | #define SOC_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \ |
| 43 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 44 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 45 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 46 | .tlv.p = (tlv_array), \ |
| 47 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 48 | .put = snd_soc_put_volsw, \ |
| 49 | .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) } |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 50 | #define SOC_DOUBLE(xname, xreg, shift_left, shift_right, xmax, xinvert) \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 51 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 52 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| 53 | .put = snd_soc_put_volsw, \ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 54 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 55 | {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 56 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 57 | #define SOC_DOUBLE_R(xname, reg_left, reg_right, xshift, xmax, xinvert) \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 58 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 59 | .info = snd_soc_info_volsw_2r, \ |
| 60 | .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 61 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 62 | {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 63 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 64 | #define SOC_DOUBLE_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert, tlv_array) \ |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 65 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 66 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 67 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 68 | .tlv.p = (tlv_array), \ |
| 69 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| 70 | .put = snd_soc_put_volsw, \ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 71 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 72 | {.reg = xreg, .shift = shift_left, .rshift = shift_right,\ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 73 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 74 | #define SOC_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert, tlv_array) \ |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 75 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 76 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 77 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 78 | .tlv.p = (tlv_array), \ |
| 79 | .info = snd_soc_info_volsw_2r, \ |
| 80 | .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 81 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 82 | {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 83 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 84 | #define SOC_DOUBLE_S8_TLV(xname, xreg, xmin, xmax, tlv_array) \ |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 85 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 86 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 87 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 88 | .tlv.p = (tlv_array), \ |
| 89 | .info = snd_soc_info_volsw_s8, .get = snd_soc_get_volsw_s8, \ |
| 90 | .put = snd_soc_put_volsw_s8, \ |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 91 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 92 | {.reg = xreg, .min = xmin, .max = xmax, \ |
| 93 | .platform_max = xmax} } |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 94 | #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmax, xtexts) \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 95 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 96 | .max = xmax, .texts = xtexts } |
| 97 | #define SOC_ENUM_SINGLE(xreg, xshift, xmax, xtexts) \ |
| 98 | SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmax, xtexts) |
| 99 | #define SOC_ENUM_SINGLE_EXT(xmax, xtexts) \ |
| 100 | { .max = xmax, .texts = xtexts } |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 101 | #define SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xmax, xtexts, xvalues) \ |
| 102 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| 103 | .mask = xmask, .max = xmax, .texts = xtexts, .values = xvalues} |
| 104 | #define SOC_VALUE_ENUM_SINGLE(xreg, xshift, xmask, xmax, xtexts, xvalues) \ |
| 105 | SOC_VALUE_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xmax, xtexts, xvalues) |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 106 | #define SOC_ENUM(xname, xenum) \ |
| 107 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ |
| 108 | .info = snd_soc_info_enum_double, \ |
| 109 | .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ |
| 110 | .private_value = (unsigned long)&xenum } |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 111 | #define SOC_VALUE_ENUM(xname, xenum) \ |
| 112 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ |
Peter Ujfalusi | 7415555 | 2009-01-08 13:34:29 +0200 | [diff] [blame] | 113 | .info = snd_soc_info_enum_double, \ |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 114 | .get = snd_soc_get_value_enum_double, \ |
| 115 | .put = snd_soc_put_value_enum_double, \ |
| 116 | .private_value = (unsigned long)&xenum } |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 117 | #define SOC_SINGLE_EXT(xname, xreg, xshift, xmax, xinvert,\ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 118 | xhandler_get, xhandler_put) \ |
| 119 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 120 | .info = snd_soc_info_volsw, \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 121 | .get = xhandler_get, .put = xhandler_put, \ |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 122 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } |
Daniel Mack | 7629ad2 | 2009-04-24 16:37:44 +0200 | [diff] [blame] | 123 | #define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\ |
| 124 | xhandler_get, xhandler_put) \ |
| 125 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 126 | .info = snd_soc_info_volsw, \ |
| 127 | .get = xhandler_get, .put = xhandler_put, \ |
| 128 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 129 | {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 130 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 131 | #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ |
Mike Montour | 10144c0 | 2008-06-11 13:47:13 +0100 | [diff] [blame] | 132 | xhandler_get, xhandler_put, tlv_array) \ |
| 133 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 134 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ |
| 135 | SNDRV_CTL_ELEM_ACCESS_READWRITE,\ |
| 136 | .tlv.p = (tlv_array), \ |
| 137 | .info = snd_soc_info_volsw, \ |
| 138 | .get = xhandler_get, .put = xhandler_put, \ |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 139 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } |
Joonyoung Shim | d0af93d | 2009-07-15 20:33:47 +0900 | [diff] [blame] | 140 | #define SOC_DOUBLE_EXT_TLV(xname, xreg, shift_left, shift_right, xmax, xinvert,\ |
| 141 | xhandler_get, xhandler_put, tlv_array) \ |
| 142 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 143 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 144 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 145 | .tlv.p = (tlv_array), \ |
| 146 | .info = snd_soc_info_volsw, \ |
| 147 | .get = xhandler_get, .put = xhandler_put, \ |
| 148 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 149 | {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 150 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Joonyoung Shim | 3ce91d5 | 2009-07-15 20:33:50 +0900 | [diff] [blame] | 151 | #define SOC_DOUBLE_R_EXT_TLV(xname, reg_left, reg_right, xshift, xmax, xinvert,\ |
| 152 | xhandler_get, xhandler_put, tlv_array) \ |
| 153 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 154 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 155 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 156 | .tlv.p = (tlv_array), \ |
| 157 | .info = snd_soc_info_volsw_2r, \ |
| 158 | .get = xhandler_get, .put = xhandler_put, \ |
| 159 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 160 | {.reg = reg_left, .rreg = reg_right, .shift = xshift, \ |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 161 | .max = xmax, .platform_max = xmax, .invert = xinvert} } |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 162 | #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ |
| 163 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 164 | .info = snd_soc_info_bool_ext, \ |
| 165 | .get = xhandler_get, .put = xhandler_put, \ |
| 166 | .private_value = xdata } |
| 167 | #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| 168 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 169 | .info = snd_soc_info_enum_ext, \ |
| 170 | .get = xhandler_get, .put = xhandler_put, \ |
| 171 | .private_value = (unsigned long)&xenum } |
| 172 | |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 173 | #define SOC_DOUBLE_R_SX_TLV(xname, xreg_left, xreg_right, xshift,\ |
| 174 | xmin, xmax, tlv_array) \ |
| 175 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 176 | .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ |
| 177 | SNDRV_CTL_ELEM_ACCESS_READWRITE, \ |
| 178 | .tlv.p = (tlv_array), \ |
| 179 | .info = snd_soc_info_volsw_2r_sx, \ |
| 180 | .get = snd_soc_get_volsw_2r_sx, \ |
| 181 | .put = snd_soc_put_volsw_2r_sx, \ |
| 182 | .private_value = (unsigned long)&(struct soc_mixer_control) \ |
| 183 | {.reg = xreg_left, \ |
| 184 | .rreg = xreg_right, .shift = xshift, \ |
| 185 | .min = xmin, .max = xmax} } |
| 186 | |
| 187 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 188 | /* |
Guennadi Liakhovetski | 6c2fb6a | 2010-01-21 22:04:03 +0100 | [diff] [blame] | 189 | * Simplified versions of above macros, declaring a struct and calculating |
| 190 | * ARRAY_SIZE internally |
| 191 | */ |
| 192 | #define SOC_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xtexts) \ |
| 193 | struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \ |
| 194 | ARRAY_SIZE(xtexts), xtexts) |
| 195 | #define SOC_ENUM_SINGLE_DECL(name, xreg, xshift, xtexts) \ |
| 196 | SOC_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xtexts) |
| 197 | #define SOC_ENUM_SINGLE_EXT_DECL(name, xtexts) \ |
| 198 | struct soc_enum name = SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(xtexts), xtexts) |
| 199 | #define SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift_l, xshift_r, xmask, xtexts, xvalues) \ |
| 200 | struct soc_enum name = SOC_VALUE_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, \ |
| 201 | ARRAY_SIZE(xtexts), xtexts, xvalues) |
| 202 | #define SOC_VALUE_ENUM_SINGLE_DECL(name, xreg, xshift, xmask, xtexts, xvalues) \ |
| 203 | SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues) |
| 204 | |
| 205 | /* |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 206 | * Bias levels |
| 207 | * |
| 208 | * @ON: Bias is fully on for audio playback and capture operations. |
| 209 | * @PREPARE: Prepare for audio operations. Called before DAPM switching for |
| 210 | * stream start and stop operations. |
| 211 | * @STANDBY: Low power standby state when no playback/capture operations are |
| 212 | * in progress. NOTE: The transition time between STANDBY and ON |
| 213 | * should be as fast as possible and no longer than 10ms. |
| 214 | * @OFF: Power Off. No restrictions on transition times. |
| 215 | */ |
| 216 | enum snd_soc_bias_level { |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 217 | SND_SOC_BIAS_OFF, |
Jarkko Nikula | 4e48541 | 2010-08-31 14:52:35 +0300 | [diff] [blame] | 218 | SND_SOC_BIAS_STANDBY, |
| 219 | SND_SOC_BIAS_PREPARE, |
| 220 | SND_SOC_BIAS_ON, |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 221 | }; |
| 222 | |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 223 | struct snd_jack; |
| 224 | struct snd_soc_card; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 225 | struct snd_soc_pcm_stream; |
| 226 | struct snd_soc_ops; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 227 | struct snd_soc_pcm_runtime; |
Liam Girdwood | 3c4b266 | 2008-07-07 16:07:17 +0100 | [diff] [blame] | 228 | struct snd_soc_dai; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 229 | struct snd_soc_dai_driver; |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 230 | struct snd_soc_platform; |
jassi brar | d273ebe | 2010-02-22 15:58:04 +0900 | [diff] [blame] | 231 | struct snd_soc_dai_link; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 232 | struct snd_soc_platform_driver; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 233 | struct snd_soc_codec; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 234 | struct snd_soc_codec_driver; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 235 | struct soc_enum; |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 236 | struct snd_soc_jack; |
| 237 | struct snd_soc_jack_pin; |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 238 | struct snd_soc_cache_ops; |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 239 | #include <sound/soc-dapm.h> |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 240 | |
Lopez Cruz, Misael | ec67624 | 2009-03-03 15:25:04 -0600 | [diff] [blame] | 241 | #ifdef CONFIG_GPIOLIB |
| 242 | struct snd_soc_jack_gpio; |
| 243 | #endif |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 244 | |
| 245 | typedef int (*hw_write_t)(void *,const char* ,int); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 246 | |
| 247 | extern struct snd_ac97_bus_ops soc_ac97_ops; |
| 248 | |
Mark Brown | 7084a42 | 2009-07-10 22:24:27 +0100 | [diff] [blame] | 249 | enum snd_soc_control_type { |
| 250 | SND_SOC_CUSTOM, |
| 251 | SND_SOC_I2C, |
| 252 | SND_SOC_SPI, |
| 253 | }; |
| 254 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 255 | enum snd_soc_compress_type { |
Dimitris Papastamos | 119bd78 | 2010-12-02 14:53:02 +0000 | [diff] [blame] | 256 | SND_SOC_FLAT_COMPRESSION = 1, |
Dimitris Papastamos | a7f387d | 2010-11-11 10:04:59 +0000 | [diff] [blame] | 257 | SND_SOC_LZO_COMPRESSION, |
| 258 | SND_SOC_RBTREE_COMPRESSION |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 259 | }; |
| 260 | |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 261 | int snd_soc_register_card(struct snd_soc_card *card); |
| 262 | int snd_soc_unregister_card(struct snd_soc_card *card); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 263 | int snd_soc_register_platform(struct device *dev, |
| 264 | struct snd_soc_platform_driver *platform_drv); |
| 265 | void snd_soc_unregister_platform(struct device *dev); |
| 266 | int snd_soc_register_codec(struct device *dev, |
Mark Brown | 001ae4c | 2010-12-02 16:21:08 +0000 | [diff] [blame] | 267 | const struct snd_soc_codec_driver *codec_drv, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 268 | struct snd_soc_dai_driver *dai_drv, int num_dai); |
| 269 | void snd_soc_unregister_codec(struct device *dev); |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 270 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg); |
Mark Brown | 17a52fd | 2009-07-05 17:24:50 +0100 | [diff] [blame] | 271 | int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, |
Mark Brown | 7084a42 | 2009-07-10 22:24:27 +0100 | [diff] [blame] | 272 | int addr_bits, int data_bits, |
| 273 | enum snd_soc_control_type control); |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 274 | int snd_soc_cache_sync(struct snd_soc_codec *codec); |
| 275 | int snd_soc_cache_init(struct snd_soc_codec *codec); |
| 276 | int snd_soc_cache_exit(struct snd_soc_codec *codec); |
| 277 | int snd_soc_cache_write(struct snd_soc_codec *codec, |
| 278 | unsigned int reg, unsigned int value); |
| 279 | int snd_soc_cache_read(struct snd_soc_codec *codec, |
| 280 | unsigned int reg, unsigned int *value); |
Dimitris Papastamos | 066d16c | 2011-01-13 12:20:36 +0000 | [diff] [blame] | 281 | int snd_soc_default_volatile_register(struct snd_soc_codec *codec, |
| 282 | unsigned int reg); |
| 283 | int snd_soc_default_readable_register(struct snd_soc_codec *codec, |
| 284 | unsigned int reg); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 285 | |
Mark Brown | 7aae816 | 2009-11-10 16:08:04 +0000 | [diff] [blame] | 286 | /* Utility functions to get clock rates from various things */ |
| 287 | int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); |
| 288 | int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); |
Mark Brown | c0fa59d | 2009-11-19 11:36:10 +0000 | [diff] [blame] | 289 | int snd_soc_calc_bclk(int fs, int sample_size, int channels, int tdm_slots); |
Mark Brown | 7aae816 | 2009-11-10 16:08:04 +0000 | [diff] [blame] | 290 | int snd_soc_params_to_bclk(struct snd_pcm_hw_params *parms); |
| 291 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 292 | /* set runtime hw params */ |
| 293 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 294 | const struct snd_pcm_hardware *hw); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 295 | |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 296 | /* Jack reporting */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 297 | int snd_soc_jack_new(struct snd_soc_codec *codec, const char *id, int type, |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 298 | struct snd_soc_jack *jack); |
| 299 | void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask); |
| 300 | int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count, |
| 301 | struct snd_soc_jack_pin *pins); |
Mark Brown | d5021ec | 2010-03-22 12:06:30 +0000 | [diff] [blame] | 302 | void snd_soc_jack_notifier_register(struct snd_soc_jack *jack, |
| 303 | struct notifier_block *nb); |
| 304 | void snd_soc_jack_notifier_unregister(struct snd_soc_jack *jack, |
| 305 | struct notifier_block *nb); |
Lopez Cruz, Misael | ec67624 | 2009-03-03 15:25:04 -0600 | [diff] [blame] | 306 | #ifdef CONFIG_GPIOLIB |
| 307 | int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, |
| 308 | struct snd_soc_jack_gpio *gpios); |
| 309 | void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, |
| 310 | struct snd_soc_jack_gpio *gpios); |
| 311 | #endif |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 312 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 313 | /* codec register bit access */ |
| 314 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 315 | unsigned int mask, unsigned int value); |
Mark Brown | dd1b3d5 | 2009-12-04 14:22:03 +0000 | [diff] [blame] | 316 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
| 317 | unsigned short reg, unsigned int mask, |
| 318 | unsigned int value); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 319 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 320 | unsigned int mask, unsigned int value); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 321 | |
| 322 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, |
| 323 | struct snd_ac97_bus_ops *ops, int num); |
| 324 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); |
| 325 | |
| 326 | /* |
| 327 | *Controls |
| 328 | */ |
| 329 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| 330 | void *data, char *long_name); |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 331 | int snd_soc_add_controls(struct snd_soc_codec *codec, |
| 332 | const struct snd_kcontrol_new *controls, int num_controls); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 333 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 334 | struct snd_ctl_elem_info *uinfo); |
| 335 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, |
| 336 | struct snd_ctl_elem_info *uinfo); |
| 337 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 338 | struct snd_ctl_elem_value *ucontrol); |
| 339 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 340 | struct snd_ctl_elem_value *ucontrol); |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 341 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, |
| 342 | struct snd_ctl_elem_value *ucontrol); |
| 343 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, |
| 344 | struct snd_ctl_elem_value *ucontrol); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 345 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 346 | struct snd_ctl_elem_info *uinfo); |
| 347 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, |
| 348 | struct snd_ctl_elem_info *uinfo); |
Philipp Zabel | 392abe9 | 2008-05-13 14:03:40 +0200 | [diff] [blame] | 349 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono_info |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 350 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 351 | struct snd_ctl_elem_value *ucontrol); |
| 352 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 353 | struct snd_ctl_elem_value *ucontrol); |
| 354 | int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, |
| 355 | struct snd_ctl_elem_info *uinfo); |
| 356 | int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, |
| 357 | struct snd_ctl_elem_value *ucontrol); |
| 358 | int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, |
| 359 | struct snd_ctl_elem_value *ucontrol); |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 360 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, |
| 361 | struct snd_ctl_elem_info *uinfo); |
| 362 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, |
| 363 | struct snd_ctl_elem_value *ucontrol); |
| 364 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, |
| 365 | struct snd_ctl_elem_value *ucontrol); |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 366 | int snd_soc_limit_volume(struct snd_soc_codec *codec, |
| 367 | const char *name, int max); |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 368 | int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 369 | struct snd_ctl_elem_info *uinfo); |
| 370 | int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 371 | struct snd_ctl_elem_value *ucontrol); |
| 372 | int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 373 | struct snd_ctl_elem_value *ucontrol); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 374 | |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 375 | /** |
Dimitris Papastamos | 066d16c | 2011-01-13 12:20:36 +0000 | [diff] [blame] | 376 | * struct snd_soc_reg_access - Describes whether a given register is |
| 377 | * readable, writable or volatile. |
| 378 | * |
| 379 | * @reg: the register number |
| 380 | * @read: whether this register is readable |
| 381 | * @write: whether this register is writable |
| 382 | * @vol: whether this register is volatile |
| 383 | */ |
| 384 | struct snd_soc_reg_access { |
| 385 | u16 reg; |
| 386 | u16 read; |
| 387 | u16 write; |
| 388 | u16 vol; |
| 389 | }; |
| 390 | |
| 391 | /** |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 392 | * struct snd_soc_jack_pin - Describes a pin to update based on jack detection |
| 393 | * |
| 394 | * @pin: name of the pin to update |
| 395 | * @mask: bits to check for in reported jack status |
| 396 | * @invert: if non-zero then pin is enabled when status is not reported |
| 397 | */ |
| 398 | struct snd_soc_jack_pin { |
| 399 | struct list_head list; |
| 400 | const char *pin; |
| 401 | int mask; |
| 402 | bool invert; |
| 403 | }; |
| 404 | |
Lopez Cruz, Misael | ec67624 | 2009-03-03 15:25:04 -0600 | [diff] [blame] | 405 | /** |
| 406 | * struct snd_soc_jack_gpio - Describes a gpio pin for jack detection |
| 407 | * |
| 408 | * @gpio: gpio number |
| 409 | * @name: gpio name |
| 410 | * @report: value to report when jack detected |
| 411 | * @invert: report presence in low state |
| 412 | * @debouce_time: debouce time in ms |
| 413 | */ |
| 414 | #ifdef CONFIG_GPIOLIB |
| 415 | struct snd_soc_jack_gpio { |
| 416 | unsigned int gpio; |
| 417 | const char *name; |
| 418 | int report; |
| 419 | int invert; |
| 420 | int debounce_time; |
| 421 | struct snd_soc_jack *jack; |
Mark Brown | 4c14d78 | 2010-10-06 15:54:28 -0700 | [diff] [blame] | 422 | struct delayed_work work; |
Joonyoung Shim | c871a05 | 2009-11-12 17:14:04 +0900 | [diff] [blame] | 423 | |
| 424 | int (*jack_status_check)(void); |
Lopez Cruz, Misael | ec67624 | 2009-03-03 15:25:04 -0600 | [diff] [blame] | 425 | }; |
| 426 | #endif |
| 427 | |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 428 | struct snd_soc_jack { |
| 429 | struct snd_jack *jack; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 430 | struct snd_soc_codec *codec; |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 431 | struct list_head pins; |
| 432 | int status; |
Mark Brown | d5021ec | 2010-03-22 12:06:30 +0000 | [diff] [blame] | 433 | struct blocking_notifier_head notifier; |
Mark Brown | 8a2cd61 | 2009-01-07 17:31:10 +0000 | [diff] [blame] | 434 | }; |
| 435 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 436 | /* SoC PCM stream information */ |
| 437 | struct snd_soc_pcm_stream { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 438 | const char *stream_name; |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 439 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
| 440 | unsigned int rates; /* SNDRV_PCM_RATE_* */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 441 | unsigned int rate_min; /* min rate */ |
| 442 | unsigned int rate_max; /* max rate */ |
| 443 | unsigned int channels_min; /* min channels */ |
| 444 | unsigned int channels_max; /* max channels */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 445 | }; |
| 446 | |
| 447 | /* SoC audio ops */ |
| 448 | struct snd_soc_ops { |
| 449 | int (*startup)(struct snd_pcm_substream *); |
| 450 | void (*shutdown)(struct snd_pcm_substream *); |
| 451 | int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); |
| 452 | int (*hw_free)(struct snd_pcm_substream *); |
| 453 | int (*prepare)(struct snd_pcm_substream *); |
| 454 | int (*trigger)(struct snd_pcm_substream *, int); |
| 455 | }; |
| 456 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 457 | /* SoC cache ops */ |
| 458 | struct snd_soc_cache_ops { |
Dimitris Papastamos | 0d735ea | 2010-12-06 09:51:57 +0000 | [diff] [blame] | 459 | const char *name; |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 460 | enum snd_soc_compress_type id; |
| 461 | int (*init)(struct snd_soc_codec *codec); |
| 462 | int (*exit)(struct snd_soc_codec *codec); |
| 463 | int (*read)(struct snd_soc_codec *codec, unsigned int reg, |
| 464 | unsigned int *value); |
| 465 | int (*write)(struct snd_soc_codec *codec, unsigned int reg, |
| 466 | unsigned int value); |
| 467 | int (*sync)(struct snd_soc_codec *codec); |
| 468 | }; |
| 469 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 470 | /* SoC Audio Codec device */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 471 | struct snd_soc_codec { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 472 | const char *name; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 473 | const char *name_prefix; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 474 | int id; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 475 | struct device *dev; |
Mark Brown | 001ae4c | 2010-12-02 16:21:08 +0000 | [diff] [blame] | 476 | const struct snd_soc_codec_driver *driver; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 477 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 478 | struct mutex mutex; |
| 479 | struct snd_soc_card *card; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 480 | struct list_head list; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 481 | struct list_head card_list; |
| 482 | int num_dai; |
Dimitris Papastamos | 23bbce3 | 2010-12-02 14:53:01 +0000 | [diff] [blame] | 483 | enum snd_soc_compress_type compress_type; |
Dimitris Papastamos | aea170a | 2011-01-12 10:38:58 +0000 | [diff] [blame] | 484 | size_t reg_size; /* reg_cache_size * reg_word_size */ |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 485 | int (*volatile_register)(struct snd_soc_codec *, unsigned int); |
| 486 | int (*readable_register)(struct snd_soc_codec *, unsigned int); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 487 | |
| 488 | /* runtime */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 489 | struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ |
| 490 | unsigned int active; |
Mark Brown | 8c961bc | 2010-02-01 18:46:10 +0000 | [diff] [blame] | 491 | unsigned int cache_only:1; /* Suppress writes to hardware */ |
Mark Brown | a3032b4 | 2010-02-01 18:48:03 +0000 | [diff] [blame] | 492 | unsigned int cache_sync:1; /* Cache needs to be synced to hardware */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 493 | unsigned int suspended:1; /* Codec is in suspend PM state */ |
| 494 | unsigned int probed:1; /* Codec has been probed */ |
| 495 | unsigned int ac97_registered:1; /* Codec has been AC97 registered */ |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 496 | unsigned int ac97_created:1; /* Codec has been created by SoC */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 497 | unsigned int sysfs_registered:1; /* codec has been sysfs registered */ |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 498 | unsigned int cache_init:1; /* codec cache has been initialized */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 499 | |
| 500 | /* codec IO */ |
| 501 | void *control_data; /* codec control (i2c/3wire) data */ |
| 502 | hw_write_t hw_write; |
| 503 | unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 504 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); |
| 505 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 506 | void *reg_cache; |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 507 | const void *reg_def_copy; |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 508 | const struct snd_soc_cache_ops *cache_ops; |
| 509 | struct mutex cache_rw_mutex; |
Mark Brown | a96ca33 | 2010-01-19 22:49:43 +0000 | [diff] [blame] | 510 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 511 | /* dapm */ |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 512 | struct snd_soc_dapm_context dapm; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 513 | |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 514 | #ifdef CONFIG_DEBUG_FS |
Peter Ujfalusi | 88439ac | 2009-10-01 10:32:47 +0300 | [diff] [blame] | 515 | struct dentry *debugfs_codec_root; |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 516 | struct dentry *debugfs_reg; |
Mark Brown | 79fb938 | 2009-08-21 16:38:13 +0100 | [diff] [blame] | 517 | struct dentry *debugfs_dapm; |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 518 | #endif |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 519 | }; |
| 520 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 521 | /* codec driver */ |
| 522 | struct snd_soc_codec_driver { |
| 523 | |
| 524 | /* driver ops */ |
| 525 | int (*probe)(struct snd_soc_codec *); |
| 526 | int (*remove)(struct snd_soc_codec *); |
| 527 | int (*suspend)(struct snd_soc_codec *, |
| 528 | pm_message_t state); |
| 529 | int (*resume)(struct snd_soc_codec *); |
| 530 | |
| 531 | /* codec IO */ |
| 532 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); |
| 533 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); |
| 534 | int (*display_register)(struct snd_soc_codec *, char *, |
| 535 | size_t, unsigned int); |
Dimitris Papastamos | d4754ec | 2011-01-13 12:20:37 +0000 | [diff] [blame] | 536 | int (*volatile_register)(struct snd_soc_codec *, unsigned int); |
| 537 | int (*readable_register)(struct snd_soc_codec *, unsigned int); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 538 | short reg_cache_size; |
| 539 | short reg_cache_step; |
| 540 | short reg_word_size; |
| 541 | const void *reg_cache_default; |
Dimitris Papastamos | 066d16c | 2011-01-13 12:20:36 +0000 | [diff] [blame] | 542 | short reg_access_size; |
| 543 | const struct snd_soc_reg_access *reg_access_default; |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 544 | enum snd_soc_compress_type compress_type; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 545 | |
| 546 | /* codec bias level */ |
| 547 | int (*set_bias_level)(struct snd_soc_codec *, |
| 548 | enum snd_soc_bias_level level); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 549 | }; |
| 550 | |
| 551 | /* SoC platform interface */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 552 | struct snd_soc_platform_driver { |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 553 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 554 | int (*probe)(struct snd_soc_platform *); |
| 555 | int (*remove)(struct snd_soc_platform *); |
| 556 | int (*suspend)(struct snd_soc_dai *dai); |
| 557 | int (*resume)(struct snd_soc_dai *dai); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 558 | |
| 559 | /* pcm creation and destruction */ |
Liam Girdwood | 3c4b266 | 2008-07-07 16:07:17 +0100 | [diff] [blame] | 560 | int (*pcm_new)(struct snd_card *, struct snd_soc_dai *, |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 561 | struct snd_pcm *); |
| 562 | void (*pcm_free)(struct snd_pcm *); |
| 563 | |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 564 | /* |
| 565 | * For platform caused delay reporting. |
| 566 | * Optional. |
| 567 | */ |
| 568 | snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *, |
| 569 | struct snd_soc_dai *); |
| 570 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 571 | /* platform stream ops */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 572 | struct snd_pcm_ops *ops; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 573 | }; |
| 574 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 575 | struct snd_soc_platform { |
| 576 | const char *name; |
| 577 | int id; |
| 578 | struct device *dev; |
| 579 | struct snd_soc_platform_driver *driver; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 580 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 581 | unsigned int suspended:1; /* platform is suspended */ |
| 582 | unsigned int probed:1; |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 583 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 584 | struct snd_soc_card *card; |
| 585 | struct list_head list; |
| 586 | struct list_head card_list; |
| 587 | }; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 588 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 589 | struct snd_soc_dai_link { |
| 590 | /* config - must be set by machine driver */ |
| 591 | const char *name; /* Codec name */ |
| 592 | const char *stream_name; /* Stream name */ |
| 593 | const char *codec_name; /* for multi-codec */ |
| 594 | const char *platform_name; /* for multi-platform */ |
| 595 | const char *cpu_dai_name; |
| 596 | const char *codec_dai_name; |
Liam Girdwood | 4ccab3e | 2008-01-10 14:39:01 +0100 | [diff] [blame] | 597 | |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 598 | /* Keep DAI active over suspend */ |
| 599 | unsigned int ignore_suspend:1; |
| 600 | |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 601 | /* Symmetry requirements */ |
| 602 | unsigned int symmetric_rates:1; |
| 603 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 604 | /* codec/machine specific init - e.g. add machine controls */ |
| 605 | int (*init)(struct snd_soc_pcm_runtime *rtd); |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 606 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 607 | /* machine stream operations */ |
| 608 | struct snd_soc_ops *ops; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 609 | }; |
| 610 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 611 | struct snd_soc_codec_conf { |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 612 | const char *dev_name; |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 613 | |
| 614 | /* |
| 615 | * optional map of kcontrol, widget and path name prefixes that are |
| 616 | * associated per device |
| 617 | */ |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 618 | const char *name_prefix; |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 619 | |
| 620 | /* |
| 621 | * set this to the desired compression type if you want to |
| 622 | * override the one supplied in codec->driver->compress_type |
| 623 | */ |
| 624 | enum snd_soc_compress_type compress_type; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 625 | }; |
| 626 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 627 | struct snd_soc_aux_dev { |
| 628 | const char *name; /* Codec name */ |
| 629 | const char *codec_name; /* for multi-codec */ |
| 630 | |
| 631 | /* codec/machine specific init - e.g. add machine controls */ |
| 632 | int (*init)(struct snd_soc_dapm_context *dapm); |
| 633 | }; |
| 634 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 635 | /* SoC card */ |
| 636 | struct snd_soc_card { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 637 | const char *name; |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 638 | struct device *dev; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 639 | struct snd_card *snd_card; |
| 640 | struct module *owner; |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 641 | |
| 642 | struct list_head list; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 643 | struct mutex mutex; |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 644 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 645 | bool instantiated; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 646 | |
| 647 | int (*probe)(struct platform_device *pdev); |
| 648 | int (*remove)(struct platform_device *pdev); |
| 649 | |
| 650 | /* the pre and post PM functions are used to do any PM work before and |
| 651 | * after the codec and DAI's do any PM work. */ |
| 652 | int (*suspend_pre)(struct platform_device *pdev, pm_message_t state); |
| 653 | int (*suspend_post)(struct platform_device *pdev, pm_message_t state); |
| 654 | int (*resume_pre)(struct platform_device *pdev); |
| 655 | int (*resume_post)(struct platform_device *pdev); |
| 656 | |
Liam Girdwood | 0b4d221 | 2008-01-10 14:36:20 +0100 | [diff] [blame] | 657 | /* callbacks */ |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 658 | int (*set_bias_level)(struct snd_soc_card *, |
Mark Brown | 0be9898 | 2008-05-19 12:31:28 +0200 | [diff] [blame] | 659 | enum snd_soc_bias_level level); |
Mark Brown | 1badabd | 2010-12-04 12:41:04 +0000 | [diff] [blame] | 660 | int (*set_bias_level_post)(struct snd_soc_card *, |
| 661 | enum snd_soc_bias_level level); |
Liam Girdwood | 0b4d221 | 2008-01-10 14:36:20 +0100 | [diff] [blame] | 662 | |
Mark Brown | 6c5f1fe | 2010-02-17 14:30:44 +0000 | [diff] [blame] | 663 | long pmdown_time; |
Mark Brown | 96dd362 | 2010-02-12 11:05:44 +0000 | [diff] [blame] | 664 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 665 | /* CPU <--> Codec DAI links */ |
| 666 | struct snd_soc_dai_link *dai_link; |
| 667 | int num_links; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 668 | struct snd_soc_pcm_runtime *rtd; |
| 669 | int num_rtd; |
Mark Brown | 6308419 | 2008-12-02 15:08:03 +0000 | [diff] [blame] | 670 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 671 | /* optional codec specific configuration */ |
| 672 | struct snd_soc_codec_conf *codec_conf; |
| 673 | int num_configs; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 674 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 675 | /* |
| 676 | * optional auxiliary devices such as amplifiers or codecs with DAI |
| 677 | * link unused |
| 678 | */ |
| 679 | struct snd_soc_aux_dev *aux_dev; |
| 680 | int num_aux_devs; |
| 681 | struct snd_soc_pcm_runtime *rtd_aux; |
| 682 | int num_aux_rtd; |
| 683 | |
Mark Brown | 6308419 | 2008-12-02 15:08:03 +0000 | [diff] [blame] | 684 | struct work_struct deferred_resume_work; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 685 | |
| 686 | /* lists of probed devices belonging to this card */ |
| 687 | struct list_head codec_dev_list; |
| 688 | struct list_head platform_dev_list; |
| 689 | struct list_head dai_dev_list; |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 690 | |
Jarkko Nikula | 97c866d | 2010-12-14 12:18:31 +0200 | [diff] [blame] | 691 | struct list_head widgets; |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 692 | struct list_head paths; |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 693 | struct list_head dapm_list; |
Jarkko Nikula | 8ddab3f | 2010-12-14 12:18:30 +0200 | [diff] [blame] | 694 | |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 695 | #ifdef CONFIG_DEBUG_FS |
| 696 | struct dentry *debugfs_card_root; |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 697 | struct dentry *debugfs_pop_time; |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 698 | #endif |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 699 | u32 pop_time; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 700 | }; |
| 701 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 702 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ |
| 703 | struct snd_soc_pcm_runtime { |
| 704 | struct device dev; |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 705 | struct snd_soc_card *card; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 706 | struct snd_soc_dai_link *dai_link; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 707 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 708 | unsigned int complete:1; |
| 709 | unsigned int dev_registered:1; |
| 710 | |
| 711 | /* Symmetry data - only valid if symmetry is being enforced */ |
| 712 | unsigned int rate; |
| 713 | long pmdown_time; |
| 714 | |
| 715 | /* runtime devices */ |
| 716 | struct snd_pcm *pcm; |
| 717 | struct snd_soc_codec *codec; |
| 718 | struct snd_soc_platform *platform; |
| 719 | struct snd_soc_dai *codec_dai; |
| 720 | struct snd_soc_dai *cpu_dai; |
| 721 | |
| 722 | struct delayed_work delayed_work; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 723 | }; |
| 724 | |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 725 | /* mixer control */ |
| 726 | struct soc_mixer_control { |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 727 | int min, max, platform_max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 728 | unsigned int reg, rreg, shift, rshift, invert; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 729 | }; |
| 730 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 731 | /* enumerated kcontrol */ |
| 732 | struct soc_enum { |
| 733 | unsigned short reg; |
| 734 | unsigned short reg2; |
| 735 | unsigned char shift_l; |
| 736 | unsigned char shift_r; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 737 | unsigned int max; |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 738 | unsigned int mask; |
| 739 | const char **texts; |
| 740 | const unsigned int *values; |
| 741 | void *dapm; |
| 742 | }; |
| 743 | |
Mark Brown | 5c82f56 | 2009-05-22 09:41:30 +0100 | [diff] [blame] | 744 | /* codec IO */ |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 745 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); |
| 746 | unsigned int snd_soc_write(struct snd_soc_codec *codec, |
| 747 | unsigned int reg, unsigned int val); |
Mark Brown | 5c82f56 | 2009-05-22 09:41:30 +0100 | [diff] [blame] | 748 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 749 | /* device driver data */ |
| 750 | |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 751 | static inline void snd_soc_codec_set_drvdata(struct snd_soc_codec *codec, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 752 | void *data) |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 753 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 754 | dev_set_drvdata(codec->dev, data); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | static inline void *snd_soc_codec_get_drvdata(struct snd_soc_codec *codec) |
| 758 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 759 | return dev_get_drvdata(codec->dev); |
| 760 | } |
| 761 | |
| 762 | static inline void snd_soc_platform_set_drvdata(struct snd_soc_platform *platform, |
| 763 | void *data) |
| 764 | { |
| 765 | dev_set_drvdata(platform->dev, data); |
| 766 | } |
| 767 | |
| 768 | static inline void *snd_soc_platform_get_drvdata(struct snd_soc_platform *platform) |
| 769 | { |
| 770 | return dev_get_drvdata(platform->dev); |
| 771 | } |
| 772 | |
| 773 | static inline void snd_soc_pcm_set_drvdata(struct snd_soc_pcm_runtime *rtd, |
| 774 | void *data) |
| 775 | { |
| 776 | dev_set_drvdata(&rtd->dev, data); |
| 777 | } |
| 778 | |
| 779 | static inline void *snd_soc_pcm_get_drvdata(struct snd_soc_pcm_runtime *rtd) |
| 780 | { |
| 781 | return dev_get_drvdata(&rtd->dev); |
Mark Brown | b2c812e | 2010-04-14 15:35:19 +0900 | [diff] [blame] | 782 | } |
| 783 | |
Vinod Koul | 4e10bda | 2011-01-13 22:48:52 +0530 | [diff] [blame] | 784 | static inline void snd_soc_initialize_card_lists(struct snd_soc_card *card) |
| 785 | { |
| 786 | INIT_LIST_HEAD(&card->dai_dev_list); |
| 787 | INIT_LIST_HEAD(&card->codec_dev_list); |
| 788 | INIT_LIST_HEAD(&card->platform_dev_list); |
| 789 | INIT_LIST_HEAD(&card->widgets); |
| 790 | INIT_LIST_HEAD(&card->paths); |
| 791 | INIT_LIST_HEAD(&card->dapm_list); |
| 792 | } |
| 793 | |
Mark Brown | a47cbe7 | 2008-07-23 14:03:07 +0100 | [diff] [blame] | 794 | #include <sound/soc-dai.h> |
| 795 | |
Stephen Warren | faff4bb | 2011-01-07 22:36:11 -0700 | [diff] [blame] | 796 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 797 | extern struct dentry *snd_soc_debugfs_root; |
Stephen Warren | faff4bb | 2011-01-07 22:36:11 -0700 | [diff] [blame] | 798 | #endif |
| 799 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 800 | #endif |