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> |
Andrew Morton | 4484bb2 | 2006-12-15 09:30:07 +0100 | [diff] [blame] | 18 | #include <linux/workqueue.h> |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 19 | #include <sound/driver.h> |
| 20 | #include <sound/core.h> |
| 21 | #include <sound/pcm.h> |
| 22 | #include <sound/control.h> |
| 23 | #include <sound/ac97_codec.h> |
| 24 | |
Liam Girdwood | a68660e | 2007-05-10 19:27:27 +0200 | [diff] [blame] | 25 | #define SND_SOC_VERSION "0.13.1" |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 26 | |
| 27 | /* |
| 28 | * Convenience kcontrol builders |
| 29 | */ |
| 30 | #define SOC_SINGLE_VALUE(reg,shift,mask,invert) ((reg) | ((shift) << 8) |\ |
| 31 | ((shift) << 12) | ((mask) << 16) | ((invert) << 24)) |
| 32 | #define SOC_SINGLE_VALUE_EXT(reg,mask,invert) ((reg) | ((mask) << 16) |\ |
| 33 | ((invert) << 31)) |
| 34 | #define SOC_SINGLE(xname, reg, shift, mask, invert) \ |
| 35 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 36 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw,\ |
| 37 | .put = snd_soc_put_volsw, \ |
| 38 | .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) } |
| 39 | #define SOC_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ |
| 40 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ |
| 41 | .info = snd_soc_info_volsw, .get = snd_soc_get_volsw, \ |
| 42 | .put = snd_soc_put_volsw, \ |
| 43 | .private_value = (reg) | ((shift_left) << 8) | \ |
| 44 | ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) } |
| 45 | #define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, mask, invert) \ |
| 46 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ |
| 47 | .info = snd_soc_info_volsw_2r, \ |
| 48 | .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ |
| 49 | .private_value = (reg_left) | ((shift) << 8) | \ |
| 50 | ((mask) << 12) | ((invert) << 20) | ((reg_right) << 24) } |
| 51 | #define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ |
| 52 | { .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ |
| 53 | .mask = xmask, .texts = xtexts } |
| 54 | #define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ |
| 55 | SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) |
| 56 | #define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \ |
| 57 | { .mask = xmask, .texts = xtexts } |
| 58 | #define SOC_ENUM(xname, xenum) \ |
| 59 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,\ |
| 60 | .info = snd_soc_info_enum_double, \ |
| 61 | .get = snd_soc_get_enum_double, .put = snd_soc_put_enum_double, \ |
| 62 | .private_value = (unsigned long)&xenum } |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 63 | #define SOC_SINGLE_EXT(xname, xreg, xshift, xmask, xinvert,\ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 64 | xhandler_get, xhandler_put) \ |
| 65 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 66 | .info = snd_soc_info_volsw, \ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 67 | .get = xhandler_get, .put = xhandler_put, \ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 68 | .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmask, xinvert) } |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 69 | #define SOC_SINGLE_BOOL_EXT(xname, xdata, xhandler_get, xhandler_put) \ |
| 70 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 71 | .info = snd_soc_info_bool_ext, \ |
| 72 | .get = xhandler_get, .put = xhandler_put, \ |
| 73 | .private_value = xdata } |
| 74 | #define SOC_ENUM_EXT(xname, xenum, xhandler_get, xhandler_put) \ |
| 75 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ |
| 76 | .info = snd_soc_info_enum_ext, \ |
| 77 | .get = xhandler_get, .put = xhandler_put, \ |
| 78 | .private_value = (unsigned long)&xenum } |
| 79 | |
| 80 | /* |
| 81 | * Digital Audio Interface (DAI) types |
| 82 | */ |
| 83 | #define SND_SOC_DAI_AC97 0x1 |
| 84 | #define SND_SOC_DAI_I2S 0x2 |
| 85 | #define SND_SOC_DAI_PCM 0x4 |
Liam Girdwood | a68660e | 2007-05-10 19:27:27 +0200 | [diff] [blame] | 86 | #define SND_SOC_DAI_AC97_BUS 0x8 /* for custom i.e. non ac97_codec.c */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 87 | |
| 88 | /* |
| 89 | * DAI hardware audio formats |
| 90 | */ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 91 | #define SND_SOC_DAIFMT_I2S 0 /* I2S mode */ |
| 92 | #define SND_SOC_DAIFMT_RIGHT_J 1 /* Right justified mode */ |
| 93 | #define SND_SOC_DAIFMT_LEFT_J 2 /* Left Justified mode */ |
| 94 | #define SND_SOC_DAIFMT_DSP_A 3 /* L data msb after FRM or LRC */ |
| 95 | #define SND_SOC_DAIFMT_DSP_B 4 /* L data msb during FRM or LRC */ |
| 96 | #define SND_SOC_DAIFMT_AC97 5 /* AC97 */ |
| 97 | |
| 98 | #define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J |
| 99 | #define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J |
| 100 | |
| 101 | /* |
| 102 | * DAI Gating |
| 103 | */ |
| 104 | #define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */ |
| 105 | #define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated when not Tx/Rx */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 106 | |
| 107 | /* |
| 108 | * DAI hardware signal inversions |
| 109 | */ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 110 | #define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bit clock + frame */ |
| 111 | #define SND_SOC_DAIFMT_NB_IF (1 << 8) /* normal bclk + inv frm */ |
| 112 | #define SND_SOC_DAIFMT_IB_NF (2 << 8) /* invert bclk + nor frm */ |
| 113 | #define SND_SOC_DAIFMT_IB_IF (3 << 8) /* invert bclk + frm */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 114 | |
| 115 | /* |
| 116 | * DAI hardware clock masters |
| 117 | * This is wrt the codec, the inverse is true for the interface |
| 118 | * i.e. if the codec is clk and frm master then the interface is |
| 119 | * clk and frame slave. |
| 120 | */ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 121 | #define SND_SOC_DAIFMT_CBM_CFM (0 << 12) /* codec clk & frm master */ |
| 122 | #define SND_SOC_DAIFMT_CBS_CFM (1 << 12) /* codec clk slave & frm master */ |
| 123 | #define SND_SOC_DAIFMT_CBM_CFS (2 << 12) /* codec clk master & frame slave */ |
| 124 | #define SND_SOC_DAIFMT_CBS_CFS (3 << 12) /* codec clk & frm slave */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 125 | |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 126 | #define SND_SOC_DAIFMT_FORMAT_MASK 0x000f |
| 127 | #define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0 |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 128 | #define SND_SOC_DAIFMT_INV_MASK 0x0f00 |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 129 | #define SND_SOC_DAIFMT_MASTER_MASK 0xf000 |
| 130 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 131 | |
| 132 | /* |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 133 | * Master Clock Directions |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 134 | */ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 135 | #define SND_SOC_CLOCK_IN 0 |
| 136 | #define SND_SOC_CLOCK_OUT 1 |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 137 | |
| 138 | /* |
| 139 | * AC97 codec ID's bitmask |
| 140 | */ |
| 141 | #define SND_SOC_DAI_AC97_ID0 (1 << 0) |
| 142 | #define SND_SOC_DAI_AC97_ID1 (1 << 1) |
| 143 | #define SND_SOC_DAI_AC97_ID2 (1 << 2) |
| 144 | #define SND_SOC_DAI_AC97_ID3 (1 << 3) |
| 145 | |
| 146 | struct snd_soc_device; |
| 147 | struct snd_soc_pcm_stream; |
| 148 | struct snd_soc_ops; |
| 149 | struct snd_soc_dai_mode; |
| 150 | struct snd_soc_pcm_runtime; |
| 151 | struct snd_soc_codec_dai; |
| 152 | struct snd_soc_cpu_dai; |
| 153 | struct snd_soc_codec; |
| 154 | struct snd_soc_machine_config; |
| 155 | struct soc_enum; |
| 156 | struct snd_soc_ac97_ops; |
| 157 | struct snd_soc_clock_info; |
| 158 | |
| 159 | typedef int (*hw_write_t)(void *,const char* ,int); |
| 160 | typedef int (*hw_read_t)(void *,char* ,int); |
| 161 | |
| 162 | extern struct snd_ac97_bus_ops soc_ac97_ops; |
| 163 | |
| 164 | /* pcm <-> DAI connect */ |
| 165 | void snd_soc_free_pcms(struct snd_soc_device *socdev); |
| 166 | int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid); |
| 167 | int snd_soc_register_card(struct snd_soc_device *socdev); |
| 168 | |
| 169 | /* set runtime hw params */ |
| 170 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 171 | const struct snd_pcm_hardware *hw); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 172 | |
| 173 | /* codec IO */ |
| 174 | #define snd_soc_read(codec, reg) codec->read(codec, reg) |
| 175 | #define snd_soc_write(codec, reg, value) codec->write(codec, reg, value) |
| 176 | |
| 177 | /* codec register bit access */ |
| 178 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, |
| 179 | unsigned short mask, unsigned short value); |
| 180 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, |
| 181 | unsigned short mask, unsigned short value); |
| 182 | |
| 183 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, |
| 184 | struct snd_ac97_bus_ops *ops, int num); |
| 185 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); |
| 186 | |
| 187 | /* |
| 188 | *Controls |
| 189 | */ |
| 190 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| 191 | void *data, char *long_name); |
| 192 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 193 | struct snd_ctl_elem_info *uinfo); |
| 194 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, |
| 195 | struct snd_ctl_elem_info *uinfo); |
| 196 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 197 | struct snd_ctl_elem_value *ucontrol); |
| 198 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 199 | struct snd_ctl_elem_value *ucontrol); |
| 200 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 201 | struct snd_ctl_elem_info *uinfo); |
| 202 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, |
| 203 | struct snd_ctl_elem_info *uinfo); |
Takashi Iwai | a5ce889 | 2007-07-23 15:42:26 +0200 | [diff] [blame] | 204 | #define snd_soc_info_bool_ext snd_ctl_boolean_mono |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 205 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 206 | struct snd_ctl_elem_value *ucontrol); |
| 207 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 208 | struct snd_ctl_elem_value *ucontrol); |
| 209 | int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, |
| 210 | struct snd_ctl_elem_info *uinfo); |
| 211 | int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, |
| 212 | struct snd_ctl_elem_value *ucontrol); |
| 213 | int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, |
| 214 | struct snd_ctl_elem_value *ucontrol); |
| 215 | |
| 216 | /* SoC PCM stream information */ |
| 217 | struct snd_soc_pcm_stream { |
| 218 | char *stream_name; |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 219 | u64 formats; /* SNDRV_PCM_FMTBIT_* */ |
| 220 | unsigned int rates; /* SNDRV_PCM_RATE_* */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 221 | unsigned int rate_min; /* min rate */ |
| 222 | unsigned int rate_max; /* max rate */ |
| 223 | unsigned int channels_min; /* min channels */ |
| 224 | unsigned int channels_max; /* max channels */ |
| 225 | unsigned int active:1; /* stream is in use */ |
| 226 | }; |
| 227 | |
| 228 | /* SoC audio ops */ |
| 229 | struct snd_soc_ops { |
| 230 | int (*startup)(struct snd_pcm_substream *); |
| 231 | void (*shutdown)(struct snd_pcm_substream *); |
| 232 | int (*hw_params)(struct snd_pcm_substream *, struct snd_pcm_hw_params *); |
| 233 | int (*hw_free)(struct snd_pcm_substream *); |
| 234 | int (*prepare)(struct snd_pcm_substream *); |
| 235 | int (*trigger)(struct snd_pcm_substream *, int); |
| 236 | }; |
| 237 | |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 238 | /* ASoC codec DAI ops */ |
| 239 | struct snd_soc_codec_ops { |
| 240 | /* codec DAI clocking configuration */ |
| 241 | int (*set_sysclk)(struct snd_soc_codec_dai *codec_dai, |
| 242 | int clk_id, unsigned int freq, int dir); |
| 243 | int (*set_pll)(struct snd_soc_codec_dai *codec_dai, |
| 244 | int pll_id, unsigned int freq_in, unsigned int freq_out); |
| 245 | int (*set_clkdiv)(struct snd_soc_codec_dai *codec_dai, |
| 246 | int div_id, int div); |
| 247 | |
| 248 | /* CPU DAI format configuration */ |
| 249 | int (*set_fmt)(struct snd_soc_codec_dai *codec_dai, |
| 250 | unsigned int fmt); |
| 251 | int (*set_tdm_slot)(struct snd_soc_codec_dai *codec_dai, |
| 252 | unsigned int mask, int slots); |
| 253 | int (*set_tristate)(struct snd_soc_codec_dai *, int tristate); |
| 254 | |
| 255 | /* digital mute */ |
| 256 | int (*digital_mute)(struct snd_soc_codec_dai *, int mute); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 257 | }; |
| 258 | |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 259 | /* ASoC cpu DAI ops */ |
| 260 | struct snd_soc_cpu_ops { |
| 261 | /* CPU DAI clocking configuration */ |
| 262 | int (*set_sysclk)(struct snd_soc_cpu_dai *cpu_dai, |
| 263 | int clk_id, unsigned int freq, int dir); |
| 264 | int (*set_clkdiv)(struct snd_soc_cpu_dai *cpu_dai, |
| 265 | int div_id, int div); |
| 266 | int (*set_pll)(struct snd_soc_cpu_dai *cpu_dai, |
| 267 | int pll_id, unsigned int freq_in, unsigned int freq_out); |
| 268 | |
| 269 | /* CPU DAI format configuration */ |
| 270 | int (*set_fmt)(struct snd_soc_cpu_dai *cpu_dai, |
| 271 | unsigned int fmt); |
| 272 | int (*set_tdm_slot)(struct snd_soc_cpu_dai *cpu_dai, |
| 273 | unsigned int mask, int slots); |
| 274 | int (*set_tristate)(struct snd_soc_cpu_dai *, int tristate); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 275 | }; |
| 276 | |
| 277 | /* SoC Codec DAI */ |
| 278 | struct snd_soc_codec_dai { |
| 279 | char *name; |
| 280 | int id; |
Liam Girdwood | a68660e | 2007-05-10 19:27:27 +0200 | [diff] [blame] | 281 | unsigned char type; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 282 | |
| 283 | /* DAI capabilities */ |
| 284 | struct snd_soc_pcm_stream playback; |
| 285 | struct snd_soc_pcm_stream capture; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 286 | |
| 287 | /* DAI runtime info */ |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 288 | struct snd_soc_codec *codec; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 289 | unsigned int active; |
| 290 | unsigned char pop_wait:1; |
| 291 | |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 292 | /* ops */ |
| 293 | struct snd_soc_ops ops; |
| 294 | struct snd_soc_codec_ops dai_ops; |
| 295 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 296 | /* DAI private data */ |
| 297 | void *private_data; |
| 298 | }; |
| 299 | |
| 300 | /* SoC CPU DAI */ |
| 301 | struct snd_soc_cpu_dai { |
| 302 | |
| 303 | /* DAI description */ |
| 304 | char *name; |
| 305 | unsigned int id; |
| 306 | unsigned char type; |
| 307 | |
| 308 | /* DAI callbacks */ |
| 309 | int (*probe)(struct platform_device *pdev); |
| 310 | void (*remove)(struct platform_device *pdev); |
| 311 | int (*suspend)(struct platform_device *pdev, |
| 312 | struct snd_soc_cpu_dai *cpu_dai); |
| 313 | int (*resume)(struct platform_device *pdev, |
| 314 | struct snd_soc_cpu_dai *cpu_dai); |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 315 | |
| 316 | /* ops */ |
| 317 | struct snd_soc_ops ops; |
| 318 | struct snd_soc_cpu_ops dai_ops; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 319 | |
| 320 | /* DAI capabilities */ |
| 321 | struct snd_soc_pcm_stream capture; |
| 322 | struct snd_soc_pcm_stream playback; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 323 | |
| 324 | /* DAI runtime info */ |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 325 | struct snd_pcm_runtime *runtime; |
| 326 | unsigned char active:1; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 327 | void *dma_data; |
| 328 | |
| 329 | /* DAI private data */ |
| 330 | void *private_data; |
| 331 | }; |
| 332 | |
| 333 | /* SoC Audio Codec */ |
| 334 | struct snd_soc_codec { |
| 335 | char *name; |
| 336 | struct module *owner; |
| 337 | struct mutex mutex; |
| 338 | |
| 339 | /* callbacks */ |
| 340 | int (*dapm_event)(struct snd_soc_codec *codec, int event); |
| 341 | |
| 342 | /* runtime */ |
| 343 | struct snd_card *card; |
| 344 | struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ |
| 345 | unsigned int active; |
| 346 | unsigned int pcm_devs; |
| 347 | void *private_data; |
| 348 | |
| 349 | /* codec IO */ |
| 350 | void *control_data; /* codec control (i2c/3wire) data */ |
| 351 | unsigned int (*read)(struct snd_soc_codec *, unsigned int); |
| 352 | int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); |
| 353 | hw_write_t hw_write; |
| 354 | hw_read_t hw_read; |
| 355 | void *reg_cache; |
| 356 | short reg_cache_size; |
| 357 | short reg_cache_step; |
| 358 | |
| 359 | /* dapm */ |
| 360 | struct list_head dapm_widgets; |
| 361 | struct list_head dapm_paths; |
| 362 | unsigned int dapm_state; |
| 363 | unsigned int suspend_dapm_state; |
Takashi Iwai | 1321b16 | 2006-12-21 11:02:06 +0100 | [diff] [blame] | 364 | struct delayed_work delayed_work; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 365 | |
| 366 | /* codec DAI's */ |
| 367 | struct snd_soc_codec_dai *dai; |
| 368 | unsigned int num_dai; |
| 369 | }; |
| 370 | |
| 371 | /* codec device */ |
| 372 | struct snd_soc_codec_device { |
| 373 | int (*probe)(struct platform_device *pdev); |
| 374 | int (*remove)(struct platform_device *pdev); |
| 375 | int (*suspend)(struct platform_device *pdev, pm_message_t state); |
| 376 | int (*resume)(struct platform_device *pdev); |
| 377 | }; |
| 378 | |
| 379 | /* SoC platform interface */ |
| 380 | struct snd_soc_platform { |
| 381 | char *name; |
| 382 | |
| 383 | int (*probe)(struct platform_device *pdev); |
| 384 | int (*remove)(struct platform_device *pdev); |
| 385 | int (*suspend)(struct platform_device *pdev, |
| 386 | struct snd_soc_cpu_dai *cpu_dai); |
| 387 | int (*resume)(struct platform_device *pdev, |
| 388 | struct snd_soc_cpu_dai *cpu_dai); |
| 389 | |
| 390 | /* pcm creation and destruction */ |
| 391 | int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, |
| 392 | struct snd_pcm *); |
| 393 | void (*pcm_free)(struct snd_pcm *); |
| 394 | |
| 395 | /* platform stream ops */ |
| 396 | struct snd_pcm_ops *pcm_ops; |
| 397 | }; |
| 398 | |
| 399 | /* SoC machine DAI configuration, glues a codec and cpu DAI together */ |
| 400 | struct snd_soc_dai_link { |
| 401 | char *name; /* Codec name */ |
| 402 | char *stream_name; /* Stream name */ |
| 403 | |
| 404 | /* DAI */ |
| 405 | struct snd_soc_codec_dai *codec_dai; |
| 406 | struct snd_soc_cpu_dai *cpu_dai; |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 407 | |
| 408 | /* machine stream operations */ |
| 409 | struct snd_soc_ops *ops; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 410 | |
| 411 | /* codec/machine specific init - e.g. add machine controls */ |
| 412 | int (*init)(struct snd_soc_codec *codec); |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 413 | }; |
| 414 | |
| 415 | /* SoC machine */ |
| 416 | struct snd_soc_machine { |
| 417 | char *name; |
| 418 | |
| 419 | int (*probe)(struct platform_device *pdev); |
| 420 | int (*remove)(struct platform_device *pdev); |
| 421 | |
| 422 | /* the pre and post PM functions are used to do any PM work before and |
| 423 | * after the codec and DAI's do any PM work. */ |
| 424 | int (*suspend_pre)(struct platform_device *pdev, pm_message_t state); |
| 425 | int (*suspend_post)(struct platform_device *pdev, pm_message_t state); |
| 426 | int (*resume_pre)(struct platform_device *pdev); |
| 427 | int (*resume_post)(struct platform_device *pdev); |
| 428 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 429 | /* CPU <--> Codec DAI links */ |
| 430 | struct snd_soc_dai_link *dai_link; |
| 431 | int num_links; |
| 432 | }; |
| 433 | |
| 434 | /* SoC Device - the audio subsystem */ |
| 435 | struct snd_soc_device { |
| 436 | struct device *dev; |
| 437 | struct snd_soc_machine *machine; |
| 438 | struct snd_soc_platform *platform; |
| 439 | struct snd_soc_codec *codec; |
| 440 | struct snd_soc_codec_device *codec_dev; |
Andrew Morton | 4484bb2 | 2006-12-15 09:30:07 +0100 | [diff] [blame] | 441 | struct delayed_work delayed_work; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 442 | void *codec_data; |
| 443 | }; |
| 444 | |
| 445 | /* runtime channel data */ |
| 446 | struct snd_soc_pcm_runtime { |
Graeme Gregory | 1c433fb | 2007-02-02 17:13:05 +0100 | [diff] [blame] | 447 | struct snd_soc_dai_link *dai; |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 448 | struct snd_soc_device *socdev; |
| 449 | }; |
| 450 | |
| 451 | /* enumerated kcontrol */ |
| 452 | struct soc_enum { |
| 453 | unsigned short reg; |
| 454 | unsigned short reg2; |
| 455 | unsigned char shift_l; |
| 456 | unsigned char shift_r; |
| 457 | unsigned int mask; |
| 458 | const char **texts; |
| 459 | void *dapm; |
| 460 | }; |
| 461 | |
Richard Purdie | 808db4a | 2006-10-06 18:20:14 +0200 | [diff] [blame] | 462 | #endif |