diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/ac97_codec.h | 1 | ||||
| -rw-r--r-- | include/sound/soc-dapm.h | 286 | ||||
| -rw-r--r-- | include/sound/soc.h | 480 |
3 files changed, 767 insertions, 0 deletions
diff --git a/include/sound/ac97_codec.h b/include/sound/ac97_codec.h index 3372039..5f7c78d 100644 --- a/include/sound/ac97_codec.h +++ b/include/sound/ac97_codec.h @@ -425,6 +425,7 @@ struct snd_ac97_build_ops { struct snd_ac97_bus_ops { void (*reset) (struct snd_ac97 *ac97); + void (*warm_reset)(struct snd_ac97 *ac97); void (*write) (struct snd_ac97 *ac97, unsigned short reg, unsigned short val); unsigned short (*read) (struct snd_ac97 *ac97, unsigned short reg); void (*wait) (struct snd_ac97 *ac97); diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h new file mode 100644 index 0000000..2b1ae8e --- /dev/null +++ b/include/sound/soc-dapm.h @@ -0,0 +1,286 @@ +/* + * linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management + * + * Author: Liam Girdwood + * Created: Aug 11th 2005 + * Copyright: Wolfson Microelectronics. PLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_SND_SOC_DAPM_H +#define __LINUX_SND_SOC_DAPM_H + +#include <linux/device.h> +#include <linux/types.h> +#include <sound/control.h> +#include <sound/soc.h> + +/* widget has no PM register bit */ +#define SND_SOC_NOPM -1 + +/* + * SoC dynamic audio power managment + * + * We can have upto 4 power domains + * 1. Codec domain - VREF, VMID + * Usually controlled at codec probe/remove, although can be set + * at stream time if power is not needed for sidetone, etc. + * 2. Platform/Machine domain - physically connected inputs and outputs + * Is platform/machine and user action specific, is set in the machine + * driver and by userspace e.g when HP are inserted + * 3. Path domain - Internal codec path mixers + * Are automatically set when mixer and mux settings are + * changed by the user. + * 4. Stream domain - DAC's and ADC's. + * Enabled when stream playback/capture is started. + */ + +/* codec domain */ +#define SND_SOC_DAPM_VMID(wname) \ +{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0} + +/* platform domain */ +#define SND_SOC_DAPM_INPUT(wname) \ +{ .id = snd_soc_dapm_input, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0} +#define SND_SOC_DAPM_OUTPUT(wname) \ +{ .id = snd_soc_dapm_output, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0} +#define SND_SOC_DAPM_MIC(wname, wevent) \ +{ .id = snd_soc_dapm_mic, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} +#define SND_SOC_DAPM_HP(wname, wevent) \ +{ .id = snd_soc_dapm_hp, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_SPK(wname, wevent) \ +{ .id = snd_soc_dapm_spk, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_LINE(wname, wevent) \ +{ .id = snd_soc_dapm_line, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD} + +/* path domain */ +#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\ + wcontrols, wncontrols) \ +{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \ + wcontrols, wncontrols)\ +{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols} +#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = NULL, .num_kcontrols = 0} +#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \ +{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1} +#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \ +{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1} + +/* path domain with event - event handler must return 0 for success */ +#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \ + wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \ + wncontrols, wevent, wflags) \ +{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \ +{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = NULL, .num_kcontrols = 0, \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1 \ + .event = wevent, .event_flags = wflags} +#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \ + .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \ + .event = wevent, .event_flags = wflags} + +/* events that are pre and post DAPM */ +#define SND_SOC_DAPM_PRE(wname, wevent) \ +{ .id = snd_soc_dapm_pre, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD} +#define SND_SOC_DAPM_POST(wname, wevent) \ +{ .id = snd_soc_dapm_post, .name = wname, .kcontrols = NULL, \ + .num_kcontrols = 0, .event = wevent, \ + .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD} + +/* stream domain */ +#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ + .shift = wshift, .invert = winvert} +#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ +{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ + .shift = wshift, .invert = winvert} + +/* dapm kcontrol types */ +#define SOC_DAPM_SINGLE(xname, reg, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = SOC_SINGLE_VALUE(reg, shift, mask, invert) } +#define SOC_DAPM_DOUBLE(xname, reg, shift_left, shift_right, mask, invert, \ + power) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = snd_soc_info_volsw, \ + .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \ + .private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) |\ + ((mask) << 16) | ((invert) << 24) } +#define SOC_DAPM_ENUM(xname, xenum) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_enum_double, \ + .get = snd_soc_dapm_get_enum_double, \ + .put = snd_soc_dapm_put_enum_double, \ + .private_value = (unsigned long)&xenum } + +/* dapm stream operations */ +#define SND_SOC_DAPM_STREAM_NOP 0x0 +#define SND_SOC_DAPM_STREAM_START 0x1 +#define SND_SOC_DAPM_STREAM_STOP 0x2 +#define SND_SOC_DAPM_STREAM_SUSPEND 0x4 +#define SND_SOC_DAPM_STREAM_RESUME 0x8 +#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10 +#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20 + +/* dapm event types */ +#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */ +#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */ +#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */ +#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */ +#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */ +#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */ + +/* convenience event type detection */ +#define SND_SOC_DAPM_EVENT_ON(e) \ + (e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU)) +#define SND_SOC_DAPM_EVENT_OFF(e) \ + (e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)) + +struct snd_soc_dapm_widget; +enum snd_soc_dapm_type; +struct snd_soc_dapm_path; +struct snd_soc_dapm_pin; + +/* dapm controls */ +int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_dapm_new_control(struct snd_soc_codec *codec, + const struct snd_soc_dapm_widget *widget); + +/* dapm path setup */ +int snd_soc_dapm_connect_input(struct snd_soc_codec *codec, + const char *sink_name, const char *control_name, const char *src_name); +int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec); +void snd_soc_dapm_free(struct snd_soc_device *socdev); + +/* dapm events */ +int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream, + int event); + +/* dapm sys fs - used by the core */ +int snd_soc_dapm_sys_add(struct device *dev); + +/* dapm audio endpoint control */ +int snd_soc_dapm_set_endpoint(struct snd_soc_codec *codec, + char *pin, int status); +int snd_soc_dapm_sync_endpoints(struct snd_soc_codec *codec); + +/* dapm widget types */ +enum snd_soc_dapm_type { + snd_soc_dapm_input = 0, /* input pin */ + snd_soc_dapm_output, /* output pin */ + snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */ + snd_soc_dapm_mixer, /* mixes several analog signals together */ + snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */ + snd_soc_dapm_adc, /* analog to digital converter */ + snd_soc_dapm_dac, /* digital to analog converter */ + snd_soc_dapm_micbias, /* microphone bias (power) */ + snd_soc_dapm_mic, /* microphone */ + snd_soc_dapm_hp, /* headphones */ + snd_soc_dapm_spk, /* speaker */ + snd_soc_dapm_line, /* line input/output */ + snd_soc_dapm_switch, /* analog switch */ + snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ + snd_soc_dapm_pre, /* machine specific pre widget - exec first */ + snd_soc_dapm_post, /* machine specific post widget - exec last */ +}; + +/* dapm audio path between two widgets */ +struct snd_soc_dapm_path { + char *name; + char *long_name; + + /* source (input) and sink (output) widgets */ + struct snd_soc_dapm_widget *source; + struct snd_soc_dapm_widget *sink; + struct snd_kcontrol *kcontrol; + + /* status */ + u32 connect:1; /* source and sink widgets are connected */ + u32 walked:1; /* path has been walked */ + + struct list_head list_source; + struct list_head list_sink; + struct list_head list; +}; + +/* dapm widget */ +struct snd_soc_dapm_widget { + enum snd_soc_dapm_type id; + char *name; /* widget name */ + char *sname; /* stream name */ + struct snd_soc_codec *codec; + struct list_head list; + + /* dapm control */ + short reg; /* negative reg = no direct dapm */ + unsigned char shift; /* bits to shift */ + unsigned int saved_value; /* widget saved value */ + unsigned int value; /* widget current value */ + unsigned char power:1; /* block power status */ + unsigned char invert:1; /* invert the power bit */ + unsigned char active:1; /* active stream on DAC, ADC's */ + unsigned char connected:1; /* connected codec pin */ + unsigned char new:1; /* cnew complete */ + unsigned char ext:1; /* has external widgets */ + unsigned char muted:1; /* muted for pop reduction */ + unsigned char suspend:1; /* was active before suspend */ + unsigned char pmdown:1; /* waiting for timeout */ + + /* external events */ + unsigned short event_flags; /* flags to specify event types */ + int (*event)(struct snd_soc_dapm_widget*, int); + + /* kcontrols that relate to this widget */ + int num_kcontrols; + const struct snd_kcontrol_new *kcontrols; + + /* widget input and outputs */ + struct list_head sources; + struct list_head sinks; +}; + +#endif diff --git a/include/sound/soc.h b/include/sound/soc.h new file mode 100644 index 0000000..ecdd1fa --- /dev/null +++ b/include/sound/soc.h @@ -0,0 +1,480 @@ +/* + * linux/sound/soc.h -- ALSA SoC Layer + * + * Author: Liam Girdwood + * Created: Aug 11th 2005 + * Copyright: Wolfson Microelectronics. PLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_SND_SOC_H +#define __LINUX_SND_SOC_H + +#include <linux/platform_device.h> +#include <linux/types.h> +#include <sound/driver.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/control.h> +#include <sound/ac97_codec.h> + +#define SND_SOC_VERSION "0.11.8" + +/* + * Convenience kcontrol builders + */ +#define SOC_SINGLE_VALUE(reg,shift,mask,invert) ((reg) | ((shift) << 8) |\ + ((shift) << 12) | ((mask) << 16) | ((invert) << 24)) +#define SOC_SINGLE_VALUE_EXT(reg,mask,invert) ((reg) | ((mask) << 16) |\ + ((invert) << 31)) +#define SOC_SINGLE(xname, reg, shift, mask, 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, mask, invert) } +#define SOC_DOUBLE(xname, reg, shift_left, shift_right, mask, 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 = (reg) | ((shift_left) << 8) | \ + ((shift_right) << 12) | ((mask) << 16) | ((invert) << 24) } +#define SOC_DOUBLE_R(xname, reg_left, reg_right, shift, mask, invert) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \ + .info = snd_soc_info_volsw_2r, \ + .get = snd_soc_get_volsw_2r, .put = snd_soc_put_volsw_2r, \ + .private_value = (reg_left) | ((shift) << 8) | \ + ((mask) << 12) | ((invert) << 20) | ((reg_right) << 24) } +#define SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, xmask, xtexts) \ +{ .reg = xreg, .shift_l = xshift_l, .shift_r = xshift_r, \ + .mask = xmask, .texts = xtexts } +#define SOC_ENUM_SINGLE(xreg, xshift, xmask, xtexts) \ + SOC_ENUM_DOUBLE(xreg, xshift, xshift, xmask, xtexts) +#define SOC_ENUM_SINGLE_EXT(xmask, xtexts) \ +{ .mask = xmask, .texts = 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, xmask, xinvert,\ + xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw_ext, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = SOC_SINGLE_VALUE_EXT(xreg, xmask, 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_ext, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = (unsigned long)&xenum } + +/* + * Digital Audio Interface (DAI) types + */ +#define SND_SOC_DAI_AC97 0x1 +#define SND_SOC_DAI_I2S 0x2 +#define SND_SOC_DAI_PCM 0x4 + +/* + * DAI hardware audio formats + */ +#define SND_SOC_DAIFMT_I2S (1 << 0) /* I2S mode */ +#define SND_SOC_DAIFMT_RIGHT_J (1 << 1) /* Right justified mode */ +#define SND_SOC_DAIFMT_LEFT_J (1 << 2) /* Left Justified mode */ +#define SND_SOC_DAIFMT_DSP_A (1 << 3) /* L data msb after FRM or LRC */ +#define SND_SOC_DAIFMT_DSP_B (1 << 4) /* L data msb during FRM or LRC */ +#define SND_SOC_DAIFMT_AC97 (1 << 5) /* AC97 */ + +/* + * DAI hardware signal inversions + */ +#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */ +#define SND_SOC_DAIFMT_NB_IF (1 << 9) /* normal bclk + inv frm */ +#define SND_SOC_DAIFMT_IB_NF (1 << 10) /* invert bclk + nor frm */ +#define SND_SOC_DAIFMT_IB_IF (1 << 11) /* invert bclk + frm */ + +/* + * DAI hardware clock masters + * This is wrt the codec, the inverse is true for the interface + * i.e. if the codec is clk and frm master then the interface is + * clk and frame slave. + */ +#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & frm master */ +#define SND_SOC_DAIFMT_CBS_CFM (1 << 13) /* codec clk slave & frm master */ +#define SND_SOC_DAIFMT_CBM_CFS (1 << 14) /* codec clk master & frame slave */ +#define SND_SOC_DAIFMT_CBS_CFS (1 << 15) /* codec clk & frm slave */ + +#define SND_SOC_DAIFMT_FORMAT_MASK 0x00ff +#define SND_SOC_DAIFMT_INV_MASK 0x0f00 +#define SND_SOC_DAIFMT_CLOCK_MASK 0xf000 + +/* + * DAI hardware audio direction + */ +#define SND_SOC_DAIDIR_PLAYBACK 0x1 +#define SND_SOC_DAIDIR_CAPTURE 0x2 + +/* + * DAI hardware Time Division Multiplexing (TDM) Slots + * Left and Right data word positions + * This is measured in words (sample size) and not bits. + */ +#define SND_SOC_DAITDM_LRDW(l,r) ((l << 8) | r) + +/* + * DAI hardware clock ratios + * bit clock can either be a generated by dividing mclk or + * by multiplying sample rate, hence there are 2 definitions below + * depending on codec type. + */ +/* ratio of sample rate to mclk/sysclk */ +#define SND_SOC_FS_ALL 0xffff /* all mclk supported */ + +/* bit clock dividers */ +#define SND_SOC_FSBD(x) (1 << (x - 1)) /* ratio mclk:bclk */ +#define SND_SOC_FSBD_REAL(x) (ffs(x)) +#define SND_SOC_FSBD_ALL 0xffff /* all bit clock dividers supported */ + +/* bit clock ratio to sample rate */ +#define SND_SOC_FSB(x) (1 << ((x - 16) / 16)) +#define SND_SOC_FSB_REAL(x) (((ffs(x) - 1) * 16) + 16) +/* all bclk ratios supported */ +#define SND_SOC_FSB_ALL SND_SOC_FSBD_ALL + +/* + * DAI hardware flags + */ +/* use bfs mclk divider mode, else sample rate ratio */ +#define SND_SOC_DAI_BFS_DIV 0x1 + +/* + * AC97 codec ID's bitmask + */ +#define SND_SOC_DAI_AC97_ID0 (1 << 0) +#define SND_SOC_DAI_AC97_ID1 (1 << 1) +#define SND_SOC_DAI_AC97_ID2 (1 << 2) +#define SND_SOC_DAI_AC97_ID3 (1 << 3) + +struct snd_soc_device; +struct snd_soc_pcm_stream; +struct snd_soc_ops; +struct snd_soc_dai_mode; +struct snd_soc_pcm_runtime; +struct snd_soc_codec_dai; +struct snd_soc_cpu_dai; +struct snd_soc_codec; +struct snd_soc_machine_config; +struct soc_enum; +struct snd_soc_ac97_ops; +struct snd_soc_clock_info; + +typedef int (*hw_write_t)(void *,const char* ,int); +typedef int (*hw_read_t)(void *,char* ,int); + +extern struct snd_ac97_bus_ops soc_ac97_ops; + +/* pcm <-> DAI connect */ +void snd_soc_free_pcms(struct snd_soc_device *socdev); +int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid); +int snd_soc_register_card(struct snd_soc_device *socdev); + +/* set runtime hw params */ +int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, + const struct snd_pcm_hardware *hw); +int snd_soc_get_rate(int rate); + +/* codec IO */ +#define snd_soc_read(codec, reg) codec->read(codec, reg) +#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value) + +/* codec register bit access */ +int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, + unsigned short mask, unsigned short value); +int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, + unsigned short mask, unsigned short value); + +int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, + struct snd_ac97_bus_ops *ops, int num); +void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); + +/* + *Controls + */ +struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, + void *data, char *long_name); +int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_soc_info_enum_ext(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_ext(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_soc_info_bool_ext(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +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); +int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo); +int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); + +/* SoC PCM stream information */ +struct snd_soc_pcm_stream { + char *stream_name; + 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 active:1; /* stream is in use */ +}; + +/* 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); +}; + +/* SoC DAI hardware mode */ +struct snd_soc_dai_mode { + u16 fmt; /* SND_SOC_DAIFMT_* */ + u16 tdm; /* SND_SOC_HWTDM_* */ + u64 pcmfmt; /* SNDRV_PCM_FMTBIT_* */ + u16 pcmrate; /* SND_SOC_HWRATE_* */ + u16 pcmdir:2; /* SND_SOC_HWDIR_* */ + u16 flags:8; /* hw flags */ + u16 fs; /* mclk to rate divider */ + u32 bfs; /* mclk to bclk dividers */ + unsigned long priv; /* private mode data */ +}; + +/* DAI capabilities */ +struct snd_soc_dai_cap { + int num_modes; /* number of DAI modes */ + struct snd_soc_dai_mode *mode; /* array of supported DAI modes */ +}; + +/* SoC Codec DAI */ +struct snd_soc_codec_dai { + char *name; + int id; + + /* DAI capabilities */ + struct snd_soc_pcm_stream playback; + struct snd_soc_pcm_stream capture; + struct snd_soc_dai_cap caps; + + /* DAI runtime info */ + struct snd_soc_dai_mode dai_runtime; + struct snd_soc_ops ops; + unsigned int (*config_sysclk)(struct snd_soc_codec_dai*, + struct snd_soc_clock_info *info, unsigned int clk); + int (*digital_mute)(struct snd_soc_codec *, + struct snd_soc_codec_dai*, int); + unsigned int mclk; /* the audio master clock */ + unsigned int pll_in; /* the PLL input clock */ + unsigned int pll_out; /* the PLL output clock */ + unsigned int clk_div; /* internal clock divider << 1 (for fractions) */ + unsigned int active; + unsigned char pop_wait:1; + + /* DAI private data */ + void *private_data; +}; + +/* SoC CPU DAI */ +struct snd_soc_cpu_dai { + + /* DAI description */ + char *name; + unsigned int id; + unsigned char type; + + /* DAI callbacks */ + int (*probe)(struct platform_device *pdev); + void (*remove)(struct platform_device *pdev); + int (*suspend)(struct platform_device *pdev, + struct snd_soc_cpu_dai *cpu_dai); + int (*resume)(struct platform_device *pdev, + struct snd_soc_cpu_dai *cpu_dai); + unsigned int (*config_sysclk)(struct snd_soc_cpu_dai *cpu_dai, + struct snd_soc_clock_info *info, unsigned int clk); + + /* DAI capabilities */ + struct snd_soc_pcm_stream capture; + struct snd_soc_pcm_stream playback; + struct snd_soc_dai_cap caps; + + /* DAI runtime info */ + struct snd_soc_dai_mode dai_runtime; + struct snd_soc_ops ops; + struct snd_pcm_runtime *runtime; + unsigned char active:1; + unsigned int mclk; + void *dma_data; + + /* DAI private data */ + void *private_data; +}; + +/* SoC Audio Codec */ +struct snd_soc_codec { + char *name; + struct module *owner; + struct mutex mutex; + + /* callbacks */ + int (*dapm_event)(struct snd_soc_codec *codec, int event); + + /* runtime */ + struct snd_card *card; + struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ + unsigned int active; + unsigned int pcm_devs; + void *private_data; + + /* codec IO */ + void *control_data; /* codec control (i2c/3wire) data */ + unsigned int (*read)(struct snd_soc_codec *, unsigned int); + int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); + hw_write_t hw_write; + hw_read_t hw_read; + void *reg_cache; + short reg_cache_size; + short reg_cache_step; + + /* dapm */ + struct list_head dapm_widgets; + struct list_head dapm_paths; + unsigned int dapm_state; + unsigned int suspend_dapm_state; + + /* codec DAI's */ + struct snd_soc_codec_dai *dai; + unsigned int num_dai; +}; + +/* codec device */ +struct snd_soc_codec_device { + int (*probe)(struct platform_device *pdev); + int (*remove)(struct platform_device *pdev); + int (*suspend)(struct platform_device *pdev, pm_message_t state); + int (*resume)(struct platform_device *pdev); +}; + +/* SoC platform interface */ +struct snd_soc_platform { + char *name; + + int (*probe)(struct platform_device *pdev); + int (*remove)(struct platform_device *pdev); + int (*suspend)(struct platform_device *pdev, + struct snd_soc_cpu_dai *cpu_dai); + int (*resume)(struct platform_device *pdev, + struct snd_soc_cpu_dai *cpu_dai); + + /* pcm creation and destruction */ + int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, + struct snd_pcm *); + void (*pcm_free)(struct snd_pcm *); + + /* platform stream ops */ + struct snd_pcm_ops *pcm_ops; +}; + +/* SoC machine DAI configuration, glues a codec and cpu DAI together */ +struct snd_soc_dai_link { + char *name; /* Codec name */ + char *stream_name; /* Stream name */ + + /* DAI */ + struct snd_soc_codec_dai *codec_dai; + struct snd_soc_cpu_dai *cpu_dai; + u32 flags; /* DAI config preference flags */ + + /* codec/machine specific init - e.g. add machine controls */ + int (*init)(struct snd_soc_codec *codec); + + /* audio sysclock configuration */ + unsigned int (*config_sysclk)(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_clock_info *info); +}; + +/* SoC machine */ +struct snd_soc_machine { + char *name; + + int (*probe)(struct platform_device *pdev); + int (*remove)(struct platform_device *pdev); + + /* 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 platform_device *pdev, pm_message_t state); + int (*suspend_post)(struct platform_device *pdev, pm_message_t state); + int (*resume_pre)(struct platform_device *pdev); + int (*resume_post)(struct platform_device *pdev); + + /* machine stream operations */ + struct snd_soc_ops *ops; + + /* CPU <--> Codec DAI links */ + struct snd_soc_dai_link *dai_link; + int num_links; +}; + +/* SoC Device - the audio subsystem */ +struct snd_soc_device { + struct device *dev; + struct snd_soc_machine *machine; + struct snd_soc_platform *platform; + struct snd_soc_codec *codec; + struct snd_soc_codec_device *codec_dev; + void *codec_data; +}; + +/* runtime channel data */ +struct snd_soc_pcm_runtime { + struct snd_soc_codec_dai *codec_dai; + struct snd_soc_cpu_dai *cpu_dai; + struct snd_soc_device *socdev; +}; + +/* enumerated kcontrol */ +struct soc_enum { + unsigned short reg; + unsigned short reg2; + unsigned char shift_l; + unsigned char shift_r; + unsigned int mask; + const char **texts; + void *dapm; +}; + +/* clocking configuration data */ +struct snd_soc_clock_info { + unsigned int rate; + unsigned int fs; + unsigned int bclk_master; +}; + +#endif |