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linux-sg2042/sound/soc/sof/topology.c

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// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
//
#include <linux/firmware.h>
#include <sound/tlv.h>
#include <sound/pcm_params.h>
#include <uapi/sound/sof/tokens.h>
#include "sof-priv.h"
#include "ops.h"
#define COMP_ID_UNASSIGNED 0xffffffff
/*
* Constants used in the computation of linear volume gain
* from dB gain 20th root of 10 in Q1.16 fixed-point notation
*/
#define VOL_TWENTIETH_ROOT_OF_TEN 73533
/* 40th root of 10 in Q1.16 fixed-point notation*/
#define VOL_FORTIETH_ROOT_OF_TEN 69419
/*
* Volume fractional word length define to 16 sets
* the volume linear gain value to use Qx.16 format
*/
#define VOLUME_FWL 16
/* 0.5 dB step value in topology TLV */
#define VOL_HALF_DB_STEP 50
/* Full volume for default values */
#define VOL_ZERO_DB BIT(VOLUME_FWL)
/* TLV data items */
#define TLV_ITEMS 3
#define TLV_MIN 0
#define TLV_STEP 1
#define TLV_MUTE 2
/* size of tplg abi in byte */
#define SOF_TPLG_ABI_SIZE 3
/* send pcm params ipc */
static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
{
struct sof_ipc_pcm_params_reply ipc_params_reply;
struct snd_sof_dev *sdev = swidget->sdev;
struct sof_ipc_pcm_params pcm;
struct snd_pcm_hw_params *params;
struct snd_sof_pcm *spcm;
int ret = 0;
memset(&pcm, 0, sizeof(pcm));
/* get runtime PCM params using widget's stream name */
spcm = snd_sof_find_spcm_name(sdev, swidget->widget->sname);
if (!spcm) {
dev_err(sdev->dev, "error: cannot find PCM for %s\n",
swidget->widget->name);
return -EINVAL;
}
params = &spcm->params[dir];
/* set IPC PCM params */
pcm.hdr.size = sizeof(pcm);
pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
pcm.comp_id = swidget->comp_id;
pcm.params.hdr.size = sizeof(pcm.params);
pcm.params.direction = dir;
pcm.params.sample_valid_bytes = params_width(params) >> 3;
pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
pcm.params.rate = params_rate(params);
pcm.params.channels = params_channels(params);
pcm.params.host_period_bytes = params_period_bytes(params);
/* set format */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16:
pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
break;
case SNDRV_PCM_FORMAT_S24:
pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
break;
case SNDRV_PCM_FORMAT_S32:
pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
break;
default:
return -EINVAL;
}
/* send IPC to the DSP */
ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
&ipc_params_reply, sizeof(ipc_params_reply));
if (ret < 0)
dev_err(sdev->dev, "error: pcm params failed for %s\n",
swidget->widget->name);
return ret;
}
/* send stream trigger ipc */
static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
{
struct snd_sof_dev *sdev = swidget->sdev;
struct sof_ipc_stream stream;
struct sof_ipc_reply reply;
int ret = 0;
/* set IPC stream params */
stream.hdr.size = sizeof(stream);
stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
stream.comp_id = swidget->comp_id;
/* send IPC to the DSP */
ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
sizeof(stream), &reply, sizeof(reply));
if (ret < 0)
dev_err(sdev->dev, "error: failed to trigger %s\n",
swidget->widget->name);
return ret;
}
static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_sof_widget *swidget = w->dobj.private;
struct snd_sof_dev *sdev;
int ret = 0;
if (!swidget)
return 0;
sdev = swidget->sdev;
dev_dbg(sdev->dev, "received event %d for widget %s\n",
event, w->name);
/* process events */
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/* set pcm params */
ret = ipc_pcm_params(swidget, SOF_IPC_STREAM_CAPTURE);
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to set pcm params for widget %s\n",
swidget->widget->name);
break;
}
/* start trigger */
ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
if (ret < 0)
dev_err(sdev->dev,
"error: failed to trigger widget %s\n",
swidget->widget->name);
break;
case SND_SOC_DAPM_POST_PMD:
/* stop trigger */
ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
if (ret < 0)
dev_err(sdev->dev,
"error: failed to trigger widget %s\n",
swidget->widget->name);
/* pcm free */
ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
if (ret < 0)
dev_err(sdev->dev,
"error: failed to trigger widget %s\n",
swidget->widget->name);
break;
default:
break;
}
return ret;
}
/* event handlers for keyword detect component */
static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
{SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
};
static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
{
/* we only support dB scale TLV type at the moment */
if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
return -EINVAL;
/* min value in topology tlv data is multiplied by 100 */
tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
/* volume steps */
tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
TLV_DB_SCALE_MASK);
/* mute ON/OFF */
if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
TLV_DB_SCALE_MUTE) == 0)
tlv[TLV_MUTE] = 0;
else
tlv[TLV_MUTE] = 1;
return 0;
}
/*
* Function to truncate an unsigned 64-bit number
* by x bits and return 32-bit unsigned number. This
* function also takes care of rounding while truncating
*/
static inline u32 vol_shift_64(u64 i, u32 x)
{
/* do not truncate more than 32 bits */
if (x > 32)
x = 32;
if (x == 0)
return (u32)i;
return (u32)(((i >> (x - 1)) + 1) >> 1);
}
/*
* Function to compute a ^ exp where,
* a is a fractional number represented by a fixed-point
* integer with a fractional world length of "fwl"
* exp is an integer
* fwl is the fractional word length
* Return value is a fractional number represented by a
* fixed-point integer with a fractional word length of "fwl"
*/
static u32 vol_pow32(u32 a, int exp, u32 fwl)
{
int i, iter;
u32 power = 1 << fwl;
u64 numerator;
/* if exponent is 0, return 1 */
if (exp == 0)
return power;
/* determine the number of iterations based on the exponent */
if (exp < 0)
iter = exp * -1;
else
iter = exp;
/* mutiply a "iter" times to compute power */
for (i = 0; i < iter; i++) {
/*
* Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
* Truncate product back to fwl fractional bits with rounding
*/
power = vol_shift_64((u64)power * a, fwl);
}
if (exp > 0) {
/* if exp is positive, return the result */
return power;
}
/* if exp is negative, return the multiplicative inverse */
numerator = (u64)1 << (fwl << 1);
do_div(numerator, power);
return (u32)numerator;
}
/*
* Function to calculate volume gain from TLV data.
* This function can only handle gain steps that are multiples of 0.5 dB
*/
static u32 vol_compute_gain(u32 value, int *tlv)
{
int dB_gain;
u32 linear_gain;
int f_step;
/* mute volume */
if (value == 0 && tlv[TLV_MUTE])
return 0;
/*
* compute dB gain from tlv. tlv_step
* in topology is multiplied by 100
*/
dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
/*
* compute linear gain represented by fixed-point
* int with VOLUME_FWL fractional bits
*/
linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
/* extract the fractional part of volume step */
f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
/* if volume step is an odd multiple of 0.5 dB */
if (f_step == VOL_HALF_DB_STEP && (value & 1))
linear_gain = vol_shift_64((u64)linear_gain *
VOL_FORTIETH_ROOT_OF_TEN,
VOLUME_FWL);
return linear_gain;
}
/*
* Set up volume table for kcontrols from tlv data
* "size" specifies the number of entries in the table
*/
static int set_up_volume_table(struct snd_sof_control *scontrol,
int tlv[TLV_ITEMS], int size)
{
int j;
/* init the volume table */
scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
if (!scontrol->volume_table)
return -ENOMEM;
/* populate the volume table */
for (j = 0; j < size ; j++)
scontrol->volume_table[j] = vol_compute_gain(j, tlv);
return 0;
}
struct sof_dai_types {
const char *name;
enum sof_ipc_dai_type type;
};
static const struct sof_dai_types sof_dais[] = {
{"SSP", SOF_DAI_INTEL_SSP},
{"HDA", SOF_DAI_INTEL_HDA},
{"DMIC", SOF_DAI_INTEL_DMIC},
};
static enum sof_ipc_dai_type find_dai(const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
if (strcmp(name, sof_dais[i].name) == 0)
return sof_dais[i].type;
}
return SOF_DAI_INTEL_NONE;
}
/*
* Supported Frame format types and lookup, add new ones to end of list.
*/
struct sof_frame_types {
const char *name;
enum sof_ipc_frame frame;
};
static const struct sof_frame_types sof_frames[] = {
{"s16le", SOF_IPC_FRAME_S16_LE},
{"s24le", SOF_IPC_FRAME_S24_4LE},
{"s32le", SOF_IPC_FRAME_S32_LE},
{"float", SOF_IPC_FRAME_FLOAT},
};
static enum sof_ipc_frame find_format(const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
if (strcmp(name, sof_frames[i].name) == 0)
return sof_frames[i].frame;
}
/* use s32le if nothing is specified */
return SOF_IPC_FRAME_S32_LE;
}
struct sof_process_types {
const char *name;
enum sof_ipc_process_type type;
enum sof_comp_type comp_type;
};
static const struct sof_process_types sof_process[] = {
{"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
{"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
{"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
{"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
{"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
{"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
{"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
};
static enum sof_ipc_process_type find_process(const char *name)
{
int i;
for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
if (strcmp(name, sof_process[i].name) == 0)
return sof_process[i].type;
}
return SOF_PROCESS_NONE;
}
static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
{
int i;
for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
if (sof_process[i].type == type)
return sof_process[i].comp_type;
}
return SOF_COMP_NONE;
}
/*
* Standard Kcontrols.
*/
static int sof_control_load_volume(struct snd_soc_component *scomp,
struct snd_sof_control *scontrol,
struct snd_kcontrol_new *kc,
struct snd_soc_tplg_ctl_hdr *hdr)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_mixer_control *mc =
container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
struct sof_ipc_ctrl_data *cdata;
int tlv[TLV_ITEMS];
unsigned int i;
int ret;
/* validate topology data */
if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN)
return -EINVAL;
/* init the volume get/put data */
scontrol->size = struct_size(scontrol->control_data, chanv,
le32_to_cpu(mc->num_channels));
scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
if (!scontrol->control_data)
return -ENOMEM;
scontrol->comp_id = sdev->next_comp_id;
scontrol->min_volume_step = le32_to_cpu(mc->min);
scontrol->max_volume_step = le32_to_cpu(mc->max);
scontrol->num_channels = le32_to_cpu(mc->num_channels);
/* set cmd for mixer control */
if (le32_to_cpu(mc->max) == 1) {
scontrol->cmd = SOF_CTRL_CMD_SWITCH;
goto out;
}
scontrol->cmd = SOF_CTRL_CMD_VOLUME;
/* extract tlv data */
if (get_tlv_data(kc->tlv.p, tlv) < 0) {
dev_err(sdev->dev, "error: invalid TLV data\n");
return -EINVAL;
}
/* set up volume table */
ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
if (ret < 0) {
dev_err(sdev->dev, "error: setting up volume table\n");
return ret;
}
/* set default volume values to 0dB in control */
cdata = scontrol->control_data;
for (i = 0; i < scontrol->num_channels; i++) {
cdata->chanv[i].channel = i;
cdata->chanv[i].value = VOL_ZERO_DB;
}
out:
dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
scontrol->comp_id, scontrol->num_channels);
return 0;
}
static int sof_control_load_enum(struct snd_soc_component *scomp,
struct snd_sof_control *scontrol,
struct snd_kcontrol_new *kc,
struct snd_soc_tplg_ctl_hdr *hdr)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_enum_control *ec =
container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
/* validate topology data */
if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
return -EINVAL;
/* init the enum get/put data */
scontrol->size = struct_size(scontrol->control_data, chanv,
le32_to_cpu(ec->num_channels));
scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
if (!scontrol->control_data)
return -ENOMEM;
scontrol->comp_id = sdev->next_comp_id;
scontrol->num_channels = le32_to_cpu(ec->num_channels);
scontrol->cmd = SOF_CTRL_CMD_ENUM;
dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
return 0;
}
static int sof_control_load_bytes(struct snd_soc_component *scomp,
struct snd_sof_control *scontrol,
struct snd_kcontrol_new *kc,
struct snd_soc_tplg_ctl_hdr *hdr)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct sof_ipc_ctrl_data *cdata;
struct snd_soc_tplg_bytes_control *control =
container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
int max_size = sbe->max;
if (le32_to_cpu(control->priv.size) > max_size) {
dev_err(sdev->dev, "err: bytes data size %d exceeds max %d.\n",
control->priv.size, max_size);
return -EINVAL;
}
/* init the get/put bytes data */
scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
le32_to_cpu(control->priv.size);
scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
cdata = scontrol->control_data;
if (!scontrol->control_data)
return -ENOMEM;
scontrol->comp_id = sdev->next_comp_id;
scontrol->cmd = SOF_CTRL_CMD_BINARY;
dev_dbg(sdev->dev, "tplg: load kcontrol index %d chans %d\n",
scontrol->comp_id, scontrol->num_channels);
if (le32_to_cpu(control->priv.size) > 0) {
memcpy(cdata->data, control->priv.data,
le32_to_cpu(control->priv.size));
if (cdata->data->magic != SOF_ABI_MAGIC) {
dev_err(sdev->dev, "error: Wrong ABI magic 0x%08x.\n",
cdata->data->magic);
return -EINVAL;
}
if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
cdata->data->abi)) {
dev_err(sdev->dev,
"error: Incompatible ABI version 0x%08x.\n",
cdata->data->abi);
return -EINVAL;
}
if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
le32_to_cpu(control->priv.size)) {
dev_err(sdev->dev,
"error: Conflict in bytes vs. priv size.\n");
return -EINVAL;
}
}
return 0;
}
/*
* Topology Token Parsing.
* New tokens should be added to headers and parsing tables below.
*/
struct sof_topology_token {
u32 token;
u32 type;
int (*get_token)(void *elem, void *object, u32 offset, u32 size);
u32 offset;
u32 size;
};
static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
{
struct snd_soc_tplg_vendor_value_elem *velem = elem;
u32 *val = (u32 *)((u8 *)object + offset);
*val = le32_to_cpu(velem->value);
return 0;
}
static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
{
struct snd_soc_tplg_vendor_value_elem *velem = elem;
u16 *val = (u16 *)((u8 *)object + offset);
*val = (u16)le32_to_cpu(velem->value);
return 0;
}
static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
{
struct snd_soc_tplg_vendor_string_elem *velem = elem;
u32 *val = (u32 *)((u8 *)object + offset);
*val = find_format(velem->string);
return 0;
}
static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
{
struct snd_soc_tplg_vendor_string_elem *velem = elem;
u32 *val = (u32 *)((u8 *)object + offset);
*val = find_dai(velem->string);
return 0;
}
static int get_token_process_type(void *elem, void *object, u32 offset,
u32 size)
{
struct snd_soc_tplg_vendor_string_elem *velem = elem;
u32 *val = (u32 *)((u8 *)object + offset);
*val = find_process(velem->string);
return 0;
}
/* Buffers */
static const struct sof_topology_token buffer_tokens[] = {
{SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_buffer, size), 0},
{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_buffer, caps), 0},
};
/* DAI */
static const struct sof_topology_token dai_tokens[] = {
{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
offsetof(struct sof_ipc_comp_dai, type), 0},
{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_dai, dai_index), 0},
{SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_dai, direction), 0},
};
/* BE DAI link */
static const struct sof_topology_token dai_link_tokens[] = {
{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
offsetof(struct sof_ipc_dai_config, type), 0},
{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_config, dai_index), 0},
};
/* scheduling */
static const struct sof_topology_token sched_tokens[] = {
{SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, period), 0},
{SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, priority), 0},
{SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, period_mips), 0},
{SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, core), 0},
{SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
{SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_pipe_new, time_domain), 0},
};
/* volume */
static const struct sof_topology_token volume_tokens[] = {
{SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
{SOF_TKN_VOLUME_RAMP_STEP_MS,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
};
/* SRC */
static const struct sof_topology_token src_tokens[] = {
{SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_src, source_rate), 0},
{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_src, sink_rate), 0},
};
/* Tone */
static const struct sof_topology_token tone_tokens[] = {
};
/* EFFECT */
static const struct sof_topology_token process_tokens[] = {
{SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
get_token_process_type,
offsetof(struct sof_ipc_comp_process, type), 0},
};
/* PCM */
static const struct sof_topology_token pcm_tokens[] = {
{SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_host, dmac_config), 0},
};
/* Generic components */
static const struct sof_topology_token comp_tokens[] = {
{SOF_TKN_COMP_PERIOD_SINK_COUNT,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_config, periods_sink), 0},
{SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_comp_config, periods_source), 0},
{SOF_TKN_COMP_FORMAT,
SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
};
/* SSP */
static const struct sof_topology_token ssp_tokens[] = {
{SOF_TKN_INTEL_SSP_CLKS_CONTROL,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
{SOF_TKN_INTEL_SSP_MCLK_ID,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
{SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
get_token_u32,
offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
{SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
get_token_u16,
offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
{SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
get_token_u32,
offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
{SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
get_token_u16,
offsetof(struct sof_ipc_dai_ssp_params,
tdm_per_slot_padding_flag), 0},
};
/* DMIC */
static const struct sof_topology_token dmic_tokens[] = {
{SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
0},
{SOF_TKN_INTEL_DMIC_CLK_MIN,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
{SOF_TKN_INTEL_DMIC_CLK_MAX,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
{SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
{SOF_TKN_INTEL_DMIC_DUTY_MIN,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
{SOF_TKN_INTEL_DMIC_DUTY_MAX,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
{SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params,
num_pdm_active), 0},
{SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
{SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
};
/*
* DMIC PDM Tokens
* SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
* as it increments the index while parsing the array of pdm tokens
* and determines the correct offset
*/
static const struct sof_topology_token dmic_pdm_tokens[] = {
{SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
0},
{SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
0},
{SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
0},
{SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
0},
{SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
0},
{SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
0},
{SOF_TKN_INTEL_DMIC_PDM_SKEW,
SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
0},
};
/* HDA */
static const struct sof_topology_token hda_tokens[] = {
};
static void sof_parse_uuid_tokens(struct snd_soc_component *scomp,
void *object,
const struct sof_topology_token *tokens,
int count,
struct snd_soc_tplg_vendor_array *array)
{
struct snd_soc_tplg_vendor_uuid_elem *elem;
int i, j;
/* parse element by element */
for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
elem = &array->uuid[i];
/* search for token */
for (j = 0; j < count; j++) {
/* match token type */
if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
continue;
/* match token id */
if (tokens[j].token != le32_to_cpu(elem->token))
continue;
/* matched - now load token */
tokens[j].get_token(elem, object, tokens[j].offset,
tokens[j].size);
}
}
}
static void sof_parse_string_tokens(struct snd_soc_component *scomp,
void *object,
const struct sof_topology_token *tokens,
int count,
struct snd_soc_tplg_vendor_array *array)
{
struct snd_soc_tplg_vendor_string_elem *elem;
int i, j;
/* parse element by element */
for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
elem = &array->string[i];
/* search for token */
for (j = 0; j < count; j++) {
/* match token type */
if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
continue;
/* match token id */
if (tokens[j].token != le32_to_cpu(elem->token))
continue;
/* matched - now load token */
tokens[j].get_token(elem, object, tokens[j].offset,
tokens[j].size);
}
}
}
static void sof_parse_word_tokens(struct snd_soc_component *scomp,
void *object,
const struct sof_topology_token *tokens,
int count,
struct snd_soc_tplg_vendor_array *array)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_vendor_value_elem *elem;
size_t size = sizeof(struct sof_ipc_dai_dmic_pdm_ctrl);
int i, j;
u32 offset;
u32 *index = NULL;
/* parse element by element */
for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
elem = &array->value[i];
/* search for token */
for (j = 0; j < count; j++) {
/* match token type */
if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT))
continue;
/* match token id */
if (tokens[j].token != le32_to_cpu(elem->token))
continue;
/* pdm config array index */
if (sdev->private)
index = sdev->private;
/* matched - determine offset */
switch (tokens[j].token) {
case SOF_TKN_INTEL_DMIC_PDM_CTRL_ID:
/* inc number of pdm array index */
if (index)
(*index)++;
/* fallthrough */
case SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable:
case SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable:
case SOF_TKN_INTEL_DMIC_PDM_POLARITY_A:
case SOF_TKN_INTEL_DMIC_PDM_POLARITY_B:
case SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE:
case SOF_TKN_INTEL_DMIC_PDM_SKEW:
/* check if array index is valid */
if (!index || *index == 0) {
dev_err(sdev->dev,
"error: invalid array offset\n");
continue;
} else {
/* offset within the pdm config array */
offset = size * (*index - 1);
}
break;
default:
offset = 0;
break;
}
/* load token */
tokens[j].get_token(elem, object,
offset + tokens[j].offset,
tokens[j].size);
}
}
}
static int sof_parse_tokens(struct snd_soc_component *scomp,
void *object,
const struct sof_topology_token *tokens,
int count,
struct snd_soc_tplg_vendor_array *array,
int priv_size)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
int asize;
while (priv_size > 0) {
asize = le32_to_cpu(array->size);
/* validate asize */
if (asize < 0) { /* FIXME: A zero-size array makes no sense */
dev_err(sdev->dev, "error: invalid array size 0x%x\n",
asize);
return -EINVAL;
}
/* make sure there is enough data before parsing */
priv_size -= asize;
if (priv_size < 0) {
dev_err(sdev->dev, "error: invalid array size 0x%x\n",
asize);
return -EINVAL;
}
/* call correct parser depending on type */
switch (le32_to_cpu(array->type)) {
case SND_SOC_TPLG_TUPLE_TYPE_UUID:
sof_parse_uuid_tokens(scomp, object, tokens, count,
array);
break;
case SND_SOC_TPLG_TUPLE_TYPE_STRING:
sof_parse_string_tokens(scomp, object, tokens, count,
array);
break;
case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
case SND_SOC_TPLG_TUPLE_TYPE_WORD:
case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
sof_parse_word_tokens(scomp, object, tokens, count,
array);
break;
default:
dev_err(sdev->dev, "error: unknown token type %d\n",
array->type);
return -EINVAL;
}
/* next array */
array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
+ asize);
}
return 0;
}
static void sof_dbg_comp_config(struct snd_soc_component *scomp,
struct sof_ipc_comp_config *config)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
dev_dbg(sdev->dev, " config: periods snk %d src %d fmt %d\n",
config->periods_sink, config->periods_source,
config->frame_fmt);
}
/* external kcontrol init - used for any driver specific init */
static int sof_control_load(struct snd_soc_component *scomp, int index,
struct snd_kcontrol_new *kc,
struct snd_soc_tplg_ctl_hdr *hdr)
{
struct soc_mixer_control *sm;
struct soc_bytes_ext *sbe;
struct soc_enum *se;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_dobj *dobj;
struct snd_sof_control *scontrol;
int ret = -EINVAL;
dev_dbg(sdev->dev, "tplg: load control type %d name : %s\n",
hdr->type, hdr->name);
scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
if (!scontrol)
return -ENOMEM;
scontrol->sdev = sdev;
switch (le32_to_cpu(hdr->ops.info)) {
case SND_SOC_TPLG_CTL_VOLSW:
case SND_SOC_TPLG_CTL_VOLSW_SX:
case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
sm = (struct soc_mixer_control *)kc->private_value;
dobj = &sm->dobj;
ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
break;
case SND_SOC_TPLG_CTL_BYTES:
sbe = (struct soc_bytes_ext *)kc->private_value;
dobj = &sbe->dobj;
ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
se = (struct soc_enum *)kc->private_value;
dobj = &se->dobj;
ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
break;
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_CTL_STROBE:
case SND_SOC_TPLG_DAPM_CTL_VOLSW:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_PIN:
default:
dev_warn(sdev->dev, "control type not supported %d:%d:%d\n",
hdr->ops.get, hdr->ops.put, hdr->ops.info);
kfree(scontrol);
return 0;
}
dobj->private = scontrol;
list_add(&scontrol->list, &sdev->kcontrol_list);
return ret;
}
static int sof_control_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct sof_ipc_free fcomp;
struct snd_sof_control *scontrol = dobj->private;
dev_dbg(sdev->dev, "tplg: unload control name : %s\n", scomp->name);
fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
fcomp.hdr.size = sizeof(fcomp);
fcomp.id = scontrol->comp_id;
kfree(scontrol->control_data);
list_del(&scontrol->list);
kfree(scontrol);
/* send IPC to the DSP */
return sof_ipc_tx_message(sdev->ipc,
fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
NULL, 0);
}
/*
* DAI Topology
*/
static int sof_connect_dai_widget(struct snd_soc_component *scomp,
struct snd_soc_dapm_widget *w,
struct snd_soc_tplg_dapm_widget *tw,
struct snd_sof_dai *dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_card *card = scomp->card;
struct snd_soc_pcm_runtime *rtd;
list_for_each_entry(rtd, &card->rtd_list, list) {
dev_vdbg(sdev->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
w->name, w->sname, rtd->dai_link->stream_name);
if (!w->sname || !rtd->dai_link->stream_name)
continue;
/* does stream match DAI link ? */
if (strcmp(w->sname, rtd->dai_link->stream_name))
continue;
switch (w->id) {
case snd_soc_dapm_dai_out:
rtd->cpu_dai->capture_widget = w;
dai->name = rtd->dai_link->name;
dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
w->name, rtd->dai_link->name);
break;
case snd_soc_dapm_dai_in:
rtd->cpu_dai->playback_widget = w;
dai->name = rtd->dai_link->name;
dev_dbg(sdev->dev, "tplg: connected widget %s -> DAI link %s\n",
w->name, rtd->dai_link->name);
break;
default:
break;
}
}
/* check we have a connection */
if (!dai->name) {
dev_err(sdev->dev, "error: can't connect DAI %s stream %s\n",
w->name, w->sname);
return -EINVAL;
}
return 0;
}
static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r,
struct snd_sof_dai *dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_dai comp_dai;
int ret;
/* configure dai IPC message */
memset(&comp_dai, 0, sizeof(comp_dai));
comp_dai.comp.hdr.size = sizeof(comp_dai);
comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
comp_dai.comp.id = swidget->comp_id;
comp_dai.comp.type = SOF_COMP_DAI;
comp_dai.comp.pipeline_id = index;
comp_dai.config.hdr.size = sizeof(comp_dai.config);
ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
ARRAY_SIZE(dai_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse dai tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse dai.cfg tokens failed %d\n",
private->size);
return ret;
}
dev_dbg(sdev->dev, "dai %s: type %d index %d\n",
swidget->widget->name, comp_dai.type, comp_dai.dai_index);
sof_dbg_comp_config(scomp, &comp_dai.config);
ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
&comp_dai, sizeof(comp_dai), r, sizeof(*r));
if (ret == 0 && dai) {
dai->sdev = sdev;
memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
}
return ret;
}
/*
* Buffer topology
*/
static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_buffer *buffer;
int ret;
buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
if (!buffer)
return -ENOMEM;
/* configure dai IPC message */
buffer->comp.hdr.size = sizeof(*buffer);
buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
buffer->comp.id = swidget->comp_id;
buffer->comp.type = SOF_COMP_BUFFER;
buffer->comp.pipeline_id = index;
ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
ARRAY_SIZE(buffer_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse buffer tokens failed %d\n",
private->size);
kfree(buffer);
return ret;
}
dev_dbg(sdev->dev, "buffer %s: size %d caps 0x%x\n",
swidget->widget->name, buffer->size, buffer->caps);
swidget->private = buffer;
ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
sizeof(*buffer), r, sizeof(*r));
if (ret < 0) {
dev_err(sdev->dev, "error: buffer %s load failed\n",
swidget->widget->name);
kfree(buffer);
}
return ret;
}
/* bind PCM ID to host component ID */
static int spcm_bind(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
int dir)
{
struct snd_sof_widget *host_widget;
host_widget = snd_sof_find_swidget_sname(sdev,
spcm->pcm.caps[dir].name,
dir);
if (!host_widget) {
dev_err(sdev->dev, "can't find host comp to bind pcm\n");
return -EINVAL;
}
spcm->stream[dir].comp_id = host_widget->comp_id;
return 0;
}
/*
* PCM Topology
*/
static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
enum sof_ipc_stream_direction dir,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_host *host;
int ret;
host = kzalloc(sizeof(*host), GFP_KERNEL);
if (!host)
return -ENOMEM;
/* configure host comp IPC message */
host->comp.hdr.size = sizeof(*host);
host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
host->comp.id = swidget->comp_id;
host->comp.type = SOF_COMP_HOST;
host->comp.pipeline_id = index;
host->direction = dir;
host->config.hdr.size = sizeof(host->config);
ret = sof_parse_tokens(scomp, host, pcm_tokens,
ARRAY_SIZE(pcm_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse host tokens failed %d\n",
private->size);
goto err;
}
ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse host.cfg tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
dev_dbg(sdev->dev, "loaded host %s\n", swidget->widget->name);
sof_dbg_comp_config(scomp, &host->config);
swidget->private = host;
ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
sizeof(*host), r, sizeof(*r));
if (ret >= 0)
return ret;
err:
kfree(host);
return ret;
}
/*
* Pipeline Topology
*/
int sof_load_pipeline_ipc(struct snd_sof_dev *sdev,
struct sof_ipc_pipe_new *pipeline,
struct sof_ipc_comp_reply *r)
{
struct sof_ipc_pm_core_config pm_core_config;
int ret;
ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
sizeof(*pipeline), r, sizeof(*r));
if (ret < 0) {
dev_err(sdev->dev, "error: load pipeline ipc failure\n");
return ret;
}
/* power up the core that this pipeline is scheduled on */
ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
if (ret < 0) {
dev_err(sdev->dev, "error: powering up pipeline schedule core %d\n",
pipeline->core);
return ret;
}
/* update enabled cores mask */
sdev->enabled_cores_mask |= 1 << pipeline->core;
/*
* Now notify DSP that the core that this pipeline is scheduled on
* has been powered up
*/
memset(&pm_core_config, 0, sizeof(pm_core_config));
pm_core_config.enable_mask = sdev->enabled_cores_mask;
/* configure CORE_ENABLE ipc message */
pm_core_config.hdr.size = sizeof(pm_core_config);
pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
/* send ipc */
ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
&pm_core_config, sizeof(pm_core_config),
&pm_core_config, sizeof(pm_core_config));
if (ret < 0)
dev_err(sdev->dev, "error: core enable ipc failure\n");
return ret;
}
static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
int index, struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_pipe_new *pipeline;
struct snd_sof_widget *comp_swidget;
int ret;
pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
if (!pipeline)
return -ENOMEM;
/* configure dai IPC message */
pipeline->hdr.size = sizeof(*pipeline);
pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
pipeline->pipeline_id = index;
pipeline->comp_id = swidget->comp_id;
/* component at start of pipeline is our stream id */
comp_swidget = snd_sof_find_swidget(sdev, tw->sname);
if (!comp_swidget) {
dev_err(sdev->dev, "error: widget %s refers to non existent widget %s\n",
tw->name, tw->sname);
ret = -EINVAL;
goto err;
}
pipeline->sched_id = comp_swidget->comp_id;
dev_dbg(sdev->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
ARRAY_SIZE(sched_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse pipeline tokens failed %d\n",
private->size);
goto err;
}
dev_dbg(sdev->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
swidget->widget->name, pipeline->period, pipeline->priority,
pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
swidget->private = pipeline;
/* send ipc's to create pipeline comp and power up schedule core */
ret = sof_load_pipeline_ipc(sdev, pipeline, r);
if (ret >= 0)
return ret;
err:
kfree(pipeline);
return ret;
}
/*
* Mixer topology
*/
static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_mixer *mixer;
int ret;
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
if (!mixer)
return -ENOMEM;
/* configure mixer IPC message */
mixer->comp.hdr.size = sizeof(*mixer);
mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
mixer->comp.id = swidget->comp_id;
mixer->comp.type = SOF_COMP_MIXER;
mixer->comp.pipeline_id = index;
mixer->config.hdr.size = sizeof(mixer->config);
ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse mixer.cfg tokens failed %d\n",
private->size);
kfree(mixer);
return ret;
}
sof_dbg_comp_config(scomp, &mixer->config);
swidget->private = mixer;
ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
sizeof(*mixer), r, sizeof(*r));
if (ret < 0)
kfree(mixer);
return ret;
}
/*
* Mux topology
*/
static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_mux *mux;
int ret;
mux = kzalloc(sizeof(*mux), GFP_KERNEL);
if (!mux)
return -ENOMEM;
/* configure mux IPC message */
mux->comp.hdr.size = sizeof(*mux);
mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
mux->comp.id = swidget->comp_id;
mux->comp.type = SOF_COMP_MUX;
mux->comp.pipeline_id = index;
mux->config.hdr.size = sizeof(mux->config);
ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse mux.cfg tokens failed %d\n",
private->size);
kfree(mux);
return ret;
}
sof_dbg_comp_config(scomp, &mux->config);
swidget->private = mux;
ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
sizeof(*mux), r, sizeof(*r));
if (ret < 0)
kfree(mux);
return ret;
}
/*
* PGA Topology
*/
static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_volume *volume;
struct snd_sof_control *scontrol;
int min_step;
int max_step;
int ret;
volume = kzalloc(sizeof(*volume), GFP_KERNEL);
if (!volume)
return -ENOMEM;
if (le32_to_cpu(tw->num_kcontrols) != 1) {
dev_err(sdev->dev, "error: invalid kcontrol count %d for volume\n",
tw->num_kcontrols);
ret = -EINVAL;
goto err;
}
/* configure volume IPC message */
volume->comp.hdr.size = sizeof(*volume);
volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
volume->comp.id = swidget->comp_id;
volume->comp.type = SOF_COMP_VOLUME;
volume->comp.pipeline_id = index;
volume->config.hdr.size = sizeof(volume->config);
ret = sof_parse_tokens(scomp, volume, volume_tokens,
ARRAY_SIZE(volume_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse volume tokens failed %d\n",
private->size);
goto err;
}
ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse volume.cfg tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
sof_dbg_comp_config(scomp, &volume->config);
swidget->private = volume;
list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
if (scontrol->comp_id == swidget->comp_id) {
min_step = scontrol->min_volume_step;
max_step = scontrol->max_volume_step;
volume->min_value = scontrol->volume_table[min_step];
volume->max_value = scontrol->volume_table[max_step];
volume->channels = scontrol->num_channels;
break;
}
}
ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
sizeof(*volume), r, sizeof(*r));
if (ret >= 0)
return ret;
err:
kfree(volume);
return ret;
}
/*
* SRC Topology
*/
static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_src *src;
int ret;
src = kzalloc(sizeof(*src), GFP_KERNEL);
if (!src)
return -ENOMEM;
/* configure src IPC message */
src->comp.hdr.size = sizeof(*src);
src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
src->comp.id = swidget->comp_id;
src->comp.type = SOF_COMP_SRC;
src->comp.pipeline_id = index;
src->config.hdr.size = sizeof(src->config);
ret = sof_parse_tokens(scomp, src, src_tokens,
ARRAY_SIZE(src_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse src tokens failed %d\n",
private->size);
goto err;
}
ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse src.cfg tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
dev_dbg(sdev->dev, "src %s: source rate %d sink rate %d\n",
swidget->widget->name, src->source_rate, src->sink_rate);
sof_dbg_comp_config(scomp, &src->config);
swidget->private = src;
ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
sizeof(*src), r, sizeof(*r));
if (ret >= 0)
return ret;
err:
kfree(src);
return ret;
}
/*
* Signal Generator Topology
*/
static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_tone *tone;
int ret;
tone = kzalloc(sizeof(*tone), GFP_KERNEL);
if (!tone)
return -ENOMEM;
/* configure siggen IPC message */
tone->comp.hdr.size = sizeof(*tone);
tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
tone->comp.id = swidget->comp_id;
tone->comp.type = SOF_COMP_TONE;
tone->comp.pipeline_id = index;
tone->config.hdr.size = sizeof(tone->config);
ret = sof_parse_tokens(scomp, tone, tone_tokens,
ARRAY_SIZE(tone_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse tone tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse tone.cfg tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
dev_dbg(sdev->dev, "tone %s: frequency %d amplitude %d\n",
swidget->widget->name, tone->frequency, tone->amplitude);
sof_dbg_comp_config(scomp, &tone->config);
swidget->private = tone;
ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
sizeof(*tone), r, sizeof(*r));
if (ret >= 0)
return ret;
err:
kfree(tone);
return ret;
}
static int sof_process_load(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r,
int type)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct snd_soc_dapm_widget *widget = swidget->widget;
const struct snd_kcontrol_new *kc;
struct soc_bytes_ext *sbe;
struct soc_mixer_control *sm;
struct soc_enum *se;
struct snd_sof_control *scontrol = NULL;
struct sof_abi_hdr *pdata = NULL;
struct sof_ipc_comp_process *process;
size_t ipc_size, ipc_data_size = 0;
int ret, i, offset = 0;
if (type == SOF_COMP_NONE) {
dev_err(sdev->dev, "error: invalid process comp type %d\n",
type);
return -EINVAL;
}
/*
* get possible component controls - get size of all pdata,
* then memcpy with headers
*/
for (i = 0; i < widget->num_kcontrols; i++) {
kc = &widget->kcontrol_news[i];
switch (widget->dobj.widget.kcontrol_type) {
case SND_SOC_TPLG_TYPE_MIXER:
sm = (struct soc_mixer_control *)kc->private_value;
scontrol = sm->dobj.private;
break;
case SND_SOC_TPLG_TYPE_BYTES:
sbe = (struct soc_bytes_ext *)kc->private_value;
scontrol = sbe->dobj.private;
break;
case SND_SOC_TPLG_TYPE_ENUM:
se = (struct soc_enum *)kc->private_value;
scontrol = se->dobj.private;
break;
default:
dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
widget->dobj.widget.kcontrol_type,
widget->name);
return -EINVAL;
}
if (!scontrol) {
dev_err(sdev->dev, "error: no scontrol for widget %s\n",
widget->name);
return -EINVAL;
}
/* don't include if no private data */
pdata = scontrol->control_data->data;
if (!pdata)
continue;
/* make sure data is valid - data can be updated at runtime */
if (pdata->magic != SOF_ABI_MAGIC)
continue;
ipc_data_size += pdata->size;
}
ipc_size = sizeof(struct sof_ipc_comp_process) +
le32_to_cpu(private->size) +
ipc_data_size;
process = kzalloc(ipc_size, GFP_KERNEL);
if (!process)
return -ENOMEM;
/* configure iir IPC message */
process->comp.hdr.size = ipc_size;
process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
process->comp.id = swidget->comp_id;
process->comp.type = type;
process->comp.pipeline_id = index;
process->config.hdr.size = sizeof(process->config);
ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
ARRAY_SIZE(comp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse process.cfg tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
sof_dbg_comp_config(scomp, &process->config);
/*
* found private data in control, so copy it.
* get possible component controls - get size of all pdata,
* then memcpy with headers
*/
for (i = 0; i < widget->num_kcontrols; i++) {
kc = &widget->kcontrol_news[i];
switch (widget->dobj.widget.kcontrol_type) {
case SND_SOC_TPLG_TYPE_MIXER:
sm = (struct soc_mixer_control *)kc->private_value;
scontrol = sm->dobj.private;
break;
case SND_SOC_TPLG_TYPE_BYTES:
sbe = (struct soc_bytes_ext *)kc->private_value;
scontrol = sbe->dobj.private;
break;
case SND_SOC_TPLG_TYPE_ENUM:
se = (struct soc_enum *)kc->private_value;
scontrol = se->dobj.private;
break;
default:
dev_err(sdev->dev, "error: unknown kcontrol type %d in widget %s\n",
widget->dobj.widget.kcontrol_type,
widget->name);
return -EINVAL;
}
/* don't include if no private data */
pdata = scontrol->control_data->data;
if (!pdata)
continue;
/* make sure data is valid - data can be updated at runtime */
if (pdata->magic != SOF_ABI_MAGIC)
continue;
memcpy(&process->data + offset, pdata->data, pdata->size);
offset += pdata->size;
}
process->size = ipc_data_size;
swidget->private = process;
ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
ipc_size, r, sizeof(*r));
if (ret >= 0)
return ret;
err:
kfree(process);
return ret;
}
/*
* Processing Component Topology - can be "effect", "codec", or general
* "processing".
*/
static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
struct snd_sof_widget *swidget,
struct snd_soc_tplg_dapm_widget *tw,
struct sof_ipc_comp_reply *r)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &tw->priv;
struct sof_ipc_comp_process config;
int ret;
/* check we have some tokens - we need at least process type */
if (le32_to_cpu(private->size) == 0) {
dev_err(sdev->dev, "error: process tokens not found\n");
return -EINVAL;
}
memset(&config, 0, sizeof(config));
/* get the process token */
ret = sof_parse_tokens(scomp, &config, process_tokens,
ARRAY_SIZE(process_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse process tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
/* now load process specific data and send IPC */
ret = sof_process_load(scomp, index, swidget, tw, r,
find_process_comp_type(config.type));
if (ret < 0) {
dev_err(sdev->dev, "error: process loading failed\n");
return ret;
}
return 0;
}
static int sof_widget_bind_event(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
u16 event_type)
{
struct sof_ipc_comp *ipc_comp;
/* validate widget event type */
switch (event_type) {
case SOF_KEYWORD_DETECT_DAPM_EVENT:
/* only KEYWORD_DETECT comps should handle this */
if (swidget->id != snd_soc_dapm_effect)
break;
ipc_comp = swidget->private;
if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
break;
/* bind event to keyword detect comp */
return snd_soc_tplg_widget_bind_event(swidget->widget,
sof_kwd_events,
ARRAY_SIZE(sof_kwd_events),
event_type);
default:
break;
}
dev_err(sdev->dev,
"error: invalid event type %d for widget %s\n",
event_type, swidget->widget->name);
return -EINVAL;
}
/* external widget init - used for any driver specific init */
static int sof_widget_ready(struct snd_soc_component *scomp, int index,
struct snd_soc_dapm_widget *w,
struct snd_soc_tplg_dapm_widget *tw)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_sof_widget *swidget;
struct snd_sof_dai *dai;
struct sof_ipc_comp_reply reply;
struct snd_sof_control *scontrol;
int ret = 0;
swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
if (!swidget)
return -ENOMEM;
swidget->sdev = sdev;
swidget->widget = w;
swidget->comp_id = sdev->next_comp_id++;
swidget->complete = 0;
swidget->id = w->id;
swidget->pipeline_id = index;
swidget->private = NULL;
memset(&reply, 0, sizeof(reply));
dev_dbg(sdev->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
swidget->comp_id, index, swidget->id, tw->name,
strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
? tw->sname : "none");
/* handle any special case widgets */
switch (w->id) {
case snd_soc_dapm_dai_in:
case snd_soc_dapm_dai_out:
dai = kzalloc(sizeof(*dai), GFP_KERNEL);
if (!dai) {
kfree(swidget);
return -ENOMEM;
}
ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
dai);
if (ret == 0) {
sof_connect_dai_widget(scomp, w, tw, dai);
list_add(&dai->list, &sdev->dai_list);
swidget->private = dai;
} else {
kfree(dai);
}
break;
case snd_soc_dapm_mixer:
ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
break;
case snd_soc_dapm_pga:
ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
/* Find scontrol for this pga and set readback offset*/
list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
if (scontrol->comp_id == swidget->comp_id) {
scontrol->readback_offset = reply.offset;
break;
}
}
break;
case snd_soc_dapm_buffer:
ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
break;
case snd_soc_dapm_scheduler:
ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
&reply);
break;
case snd_soc_dapm_aif_out:
ret = sof_widget_load_pcm(scomp, index, swidget,
SOF_IPC_STREAM_CAPTURE, tw, &reply);
break;
case snd_soc_dapm_aif_in:
ret = sof_widget_load_pcm(scomp, index, swidget,
SOF_IPC_STREAM_PLAYBACK, tw, &reply);
break;
case snd_soc_dapm_src:
ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
break;
case snd_soc_dapm_siggen:
ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
break;
case snd_soc_dapm_effect:
ret = sof_widget_load_process(scomp, index, swidget, tw,
&reply);
break;
case snd_soc_dapm_mux:
case snd_soc_dapm_demux:
ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
break;
case snd_soc_dapm_switch:
case snd_soc_dapm_dai_link:
case snd_soc_dapm_kcontrol:
default:
dev_warn(sdev->dev, "warning: widget type %d name %s not handled\n",
swidget->id, tw->name);
break;
}
/* check IPC reply */
if (ret < 0 || reply.rhdr.error < 0) {
dev_err(sdev->dev,
"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
tw->shift, swidget->id, tw->name,
strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
? tw->sname : "none", reply.rhdr.error);
kfree(swidget);
return ret;
}
/* bind widget to external event */
if (tw->event_type) {
ret = sof_widget_bind_event(sdev, swidget,
le16_to_cpu(tw->event_type));
if (ret) {
dev_err(sdev->dev, "error: widget event binding failed\n");
kfree(swidget->private);
kfree(swidget);
return ret;
}
}
w->dobj.private = swidget;
list_add(&swidget->list, &sdev->widget_list);
return ret;
}
static int sof_route_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
struct snd_sof_route *sroute;
sroute = dobj->private;
if (!sroute)
return 0;
/* free sroute and its private data */
kfree(sroute->private);
list_del(&sroute->list);
kfree(sroute);
return 0;
}
static int sof_widget_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
const struct snd_kcontrol_new *kc;
struct snd_soc_dapm_widget *widget;
struct sof_ipc_pipe_new *pipeline;
struct snd_sof_control *scontrol;
struct snd_sof_widget *swidget;
struct soc_mixer_control *sm;
struct soc_bytes_ext *sbe;
struct snd_sof_dai *dai;
struct soc_enum *se;
int ret = 0;
int i;
swidget = dobj->private;
if (!swidget)
return 0;
widget = swidget->widget;
switch (swidget->id) {
case snd_soc_dapm_dai_in:
case snd_soc_dapm_dai_out:
dai = swidget->private;
if (dai) {
/* free dai config */
kfree(dai->dai_config);
list_del(&dai->list);
}
break;
case snd_soc_dapm_scheduler:
/* power down the pipeline schedule core */
pipeline = swidget->private;
ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
if (ret < 0)
dev_err(sdev->dev, "error: powering down pipeline schedule core %d\n",
pipeline->core);
/* update enabled cores mask */
sdev->enabled_cores_mask &= ~(1 << pipeline->core);
break;
default:
break;
}
for (i = 0; i < widget->num_kcontrols; i++) {
kc = &widget->kcontrol_news[i];
switch (dobj->widget.kcontrol_type) {
case SND_SOC_TPLG_TYPE_MIXER:
sm = (struct soc_mixer_control *)kc->private_value;
scontrol = sm->dobj.private;
if (sm->max > 1)
kfree(scontrol->volume_table);
break;
case SND_SOC_TPLG_TYPE_ENUM:
se = (struct soc_enum *)kc->private_value;
scontrol = se->dobj.private;
break;
case SND_SOC_TPLG_TYPE_BYTES:
sbe = (struct soc_bytes_ext *)kc->private_value;
scontrol = sbe->dobj.private;
break;
default:
dev_warn(sdev->dev, "unsupported kcontrol_type\n");
goto out;
}
kfree(scontrol->control_data);
list_del(&scontrol->list);
kfree(scontrol);
}
out:
/* free private value */
kfree(swidget->private);
/* remove and free swidget object */
list_del(&swidget->list);
kfree(swidget);
return ret;
}
/*
* DAI HW configuration.
*/
/* FE DAI - used for any driver specific init */
static int sof_dai_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_driver *dai_drv,
struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_stream_caps *caps;
struct snd_sof_pcm *spcm;
int stream = SNDRV_PCM_STREAM_PLAYBACK;
int ret = 0;
/* nothing to do for BEs atm */
if (!pcm)
return 0;
spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
if (!spcm)
return -ENOMEM;
spcm->sdev = sdev;
spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].comp_id = COMP_ID_UNASSIGNED;
spcm->stream[SNDRV_PCM_STREAM_CAPTURE].comp_id = COMP_ID_UNASSIGNED;
if (pcm) {
spcm->pcm = *pcm;
dev_dbg(sdev->dev, "tplg: load pcm %s\n", pcm->dai_name);
}
dai_drv->dobj.private = spcm;
list_add(&spcm->list, &sdev->pcm_list);
/* do we need to allocate playback PCM DMA pages */
if (!spcm->pcm.playback)
goto capture;
caps = &spcm->pcm.caps[stream];
/* allocate playback page table buffer */
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
PAGE_SIZE, &spcm->stream[stream].page_table);
if (ret < 0) {
dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
caps->name, ret);
return ret;
}
/* bind pcm to host comp */
ret = spcm_bind(sdev, spcm, stream);
if (ret) {
dev_err(sdev->dev,
"error: can't bind pcm to host\n");
goto free_playback_tables;
}
capture:
stream = SNDRV_PCM_STREAM_CAPTURE;
/* do we need to allocate capture PCM DMA pages */
if (!spcm->pcm.capture)
return ret;
caps = &spcm->pcm.caps[stream];
/* allocate capture page table buffer */
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
PAGE_SIZE, &spcm->stream[stream].page_table);
if (ret < 0) {
dev_err(sdev->dev, "error: can't alloc page table for %s %d\n",
caps->name, ret);
goto free_playback_tables;
}
/* bind pcm to host comp */
ret = spcm_bind(sdev, spcm, stream);
if (ret) {
dev_err(sdev->dev,
"error: can't bind pcm to host\n");
snd_dma_free_pages(&spcm->stream[stream].page_table);
goto free_playback_tables;
}
return ret;
free_playback_tables:
if (spcm->pcm.playback)
snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
return ret;
}
static int sof_dai_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
struct snd_sof_pcm *spcm = dobj->private;
/* free PCM DMA pages */
if (spcm->pcm.playback)
snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
if (spcm->pcm.capture)
snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
/* remove from list and free spcm */
list_del(&spcm->list);
kfree(spcm);
return 0;
}
static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
struct sof_ipc_dai_config *config)
{
/* clock directions wrt codec */
if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
/* codec is bclk master */
if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
config->format |= SOF_DAI_FMT_CBM_CFM;
else
config->format |= SOF_DAI_FMT_CBM_CFS;
} else {
/* codec is bclk slave */
if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
config->format |= SOF_DAI_FMT_CBS_CFM;
else
config->format |= SOF_DAI_FMT_CBS_CFS;
}
/* inverted clocks ? */
if (hw_config->invert_bclk) {
if (hw_config->invert_fsync)
config->format |= SOF_DAI_FMT_IB_IF;
else
config->format |= SOF_DAI_FMT_IB_NF;
} else {
if (hw_config->invert_fsync)
config->format |= SOF_DAI_FMT_NB_IF;
else
config->format |= SOF_DAI_FMT_NB_NF;
}
}
/* set config for all DAI's with name matching the link name */
static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
struct snd_soc_dai_link *link,
struct sof_ipc_dai_config *config)
{
struct snd_sof_dai *dai;
int found = 0;
list_for_each_entry(dai, &sdev->dai_list, list) {
if (!dai->name)
continue;
if (strcmp(link->name, dai->name) == 0) {
dai->dai_config = kmemdup(config, size, GFP_KERNEL);
if (!dai->dai_config)
return -ENOMEM;
/* set cpu_dai_name */
dai->cpu_dai_name = link->cpus->dai_name;
found = 1;
}
}
/*
* machine driver may define a dai link with playback and capture
* dai enabled, but the dai link in topology would support both, one
* or none of them. Here print a warning message to notify user
*/
if (!found) {
dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
link->name);
}
return 0;
}
static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_link *link,
struct snd_soc_tplg_link_config *cfg,
struct snd_soc_tplg_hw_config *hw_config,
struct sof_ipc_dai_config *config)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &cfg->priv;
struct sof_ipc_reply reply;
u32 size = sizeof(*config);
int ret;
/* handle master/slave and inverted clocks */
sof_dai_set_format(hw_config, config);
/* init IPC */
memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
config->hdr.size = size;
ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
ARRAY_SIZE(ssp_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse ssp tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
config->ssp.mclk_direction = hw_config->mclk_direction;
config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
dev_dbg(sdev->dev, "tplg: config SSP%d fmt 0x%x mclk %d bclk %d fclk %d width (%d)%d slots %d mclk id %d quirks %d\n",
config->dai_index, config->format,
config->ssp.mclk_rate, config->ssp.bclk_rate,
config->ssp.fsync_rate, config->ssp.sample_valid_bits,
config->ssp.tdm_slot_width, config->ssp.tdm_slots,
config->ssp.mclk_id, config->ssp.quirks);
/* validate SSP fsync rate and channel count */
if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
dev_err(sdev->dev, "error: invalid fsync rate for SSP%d\n",
config->dai_index);
return -EINVAL;
}
if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
dev_err(sdev->dev, "error: invalid channel count for SSP%d\n",
config->dai_index);
return -EINVAL;
}
/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
config->hdr.cmd, config, size, &reply,
sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev, "error: failed to set DAI config for SSP%d\n",
config->dai_index);
return ret;
}
/* set config for all DAI's with name matching the link name */
ret = sof_set_dai_config(sdev, size, link, config);
if (ret < 0)
dev_err(sdev->dev, "error: failed to save DAI config for SSP%d\n",
config->dai_index);
return ret;
}
static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_link *link,
struct snd_soc_tplg_link_config *cfg,
struct snd_soc_tplg_hw_config *hw_config,
struct sof_ipc_dai_config *config)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &cfg->priv;
struct sof_ipc_dai_config *ipc_config;
struct sof_ipc_reply reply;
struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
struct sof_ipc_fw_version *v = &ready->version;
u32 size;
int ret, j;
/*
* config is only used for the common params in dmic_params structure
* that does not include the PDM controller config array
* Set the common params to 0.
*/
memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
/* get DMIC tokens */
ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
ARRAY_SIZE(dmic_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse dmic tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
/*
* allocate memory for dmic dai config accounting for the
* variable number of active pdm controllers
* This will be the ipc payload for setting dai config
*/
size = sizeof(*config) + sizeof(struct sof_ipc_dai_dmic_pdm_ctrl) *
config->dmic.num_pdm_active;
ipc_config = kzalloc(size, GFP_KERNEL);
if (!ipc_config)
return -ENOMEM;
/* copy the common dai config and dmic params */
memcpy(ipc_config, config, sizeof(*config));
/*
* alloc memory for private member
* Used to track the pdm config array index currently being parsed
*/
sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
if (!sdev->private) {
kfree(ipc_config);
return -ENOMEM;
}
/* get DMIC PDM tokens */
ret = sof_parse_tokens(scomp, &ipc_config->dmic.pdm[0], dmic_pdm_tokens,
ARRAY_SIZE(dmic_pdm_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse dmic pdm tokens failed %d\n",
le32_to_cpu(private->size));
goto err;
}
/* set IPC header size */
ipc_config->hdr.size = size;
/* debug messages */
dev_dbg(sdev->dev, "tplg: config DMIC%d driver version %d\n",
ipc_config->dai_index, ipc_config->dmic.driver_ipc_version);
dev_dbg(sdev->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
ipc_config->dmic.pdmclk_min, ipc_config->dmic.pdmclk_max,
ipc_config->dmic.duty_min);
dev_dbg(sdev->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
ipc_config->dmic.duty_max, ipc_config->dmic.fifo_fs,
ipc_config->dmic.num_pdm_active);
dev_dbg(sdev->dev, "fifo word length %hd\n",
ipc_config->dmic.fifo_bits);
for (j = 0; j < ipc_config->dmic.num_pdm_active; j++) {
dev_dbg(sdev->dev, "pdm %hd mic a %hd mic b %hd\n",
ipc_config->dmic.pdm[j].id,
ipc_config->dmic.pdm[j].enable_mic_a,
ipc_config->dmic.pdm[j].enable_mic_b);
dev_dbg(sdev->dev, "pdm %hd polarity a %hd polarity b %hd\n",
ipc_config->dmic.pdm[j].id,
ipc_config->dmic.pdm[j].polarity_mic_a,
ipc_config->dmic.pdm[j].polarity_mic_b);
dev_dbg(sdev->dev, "pdm %hd clk_edge %hd skew %hd\n",
ipc_config->dmic.pdm[j].id,
ipc_config->dmic.pdm[j].clk_edge,
ipc_config->dmic.pdm[j].skew);
}
if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) {
/* this takes care of backwards compatible handling of fifo_bits_b */
ipc_config->dmic.reserved_2 = ipc_config->dmic.fifo_bits;
}
/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
ipc_config->hdr.cmd, ipc_config, size, &reply,
sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to set DAI config for DMIC%d\n",
config->dai_index);
goto err;
}
/* set config for all DAI's with name matching the link name */
ret = sof_set_dai_config(sdev, size, link, ipc_config);
if (ret < 0)
dev_err(sdev->dev, "error: failed to save DAI config for DMIC%d\n",
config->dai_index);
err:
kfree(sdev->private);
kfree(ipc_config);
return ret;
}
/*
* for hda link, playback and capture are supported by different dai
* in FW. Here get the dai_index, set dma channel of each dai
* and send config to FW. In FW, each dai sets config by dai_index
*/
static int sof_link_hda_process(struct snd_sof_dev *sdev,
struct snd_soc_dai_link *link,
struct sof_ipc_dai_config *config)
{
struct sof_ipc_reply reply;
u32 size = sizeof(*config);
struct snd_sof_dai *sof_dai;
int found = 0;
int ret;
list_for_each_entry(sof_dai, &sdev->dai_list, list) {
if (!sof_dai->name)
continue;
if (strcmp(link->name, sof_dai->name) == 0) {
config->dai_index = sof_dai->comp_dai.dai_index;
found = 1;
config->hda.link_dma_ch = DMA_CHAN_INVALID;
/* save config in dai component */
sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL);
if (!sof_dai->dai_config)
return -ENOMEM;
sof_dai->cpu_dai_name = link->cpus->dai_name;
/* send message to DSP */
ret = sof_ipc_tx_message(sdev->ipc,
config->hdr.cmd, config, size,
&reply, sizeof(reply));
if (ret < 0) {
dev_err(sdev->dev, "error: failed to set DAI config for direction:%d of HDA dai %d\n",
sof_dai->comp_dai.direction,
config->dai_index);
return ret;
}
}
}
/*
* machine driver may define a dai link with playback and capture
* dai enabled, but the dai link in topology would support both, one
* or none of them. Here print a warning message to notify user
*/
if (!found) {
dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
link->name);
}
return 0;
}
static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_link *link,
struct snd_soc_tplg_link_config *cfg,
struct snd_soc_tplg_hw_config *hw_config,
struct sof_ipc_dai_config *config)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &cfg->priv;
struct snd_soc_dai *dai;
u32 size = sizeof(*config);
int ret;
/* init IPC */
memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
config->hdr.size = size;
/* get any bespoke DAI tokens */
ret = sof_parse_tokens(scomp, config, hda_tokens,
ARRAY_SIZE(hda_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse hda tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
dai = snd_soc_find_dai(link->cpus);
if (!dai) {
dev_err(sdev->dev, "error: failed to find dai %s in %s",
link->cpus->dai_name, __func__);
return -EINVAL;
}
ret = sof_link_hda_process(sdev, link, config);
if (ret < 0)
dev_err(sdev->dev, "error: failed to process hda dai link %s",
link->name);
return ret;
}
/* DAI link - used for any driver specific init */
static int sof_link_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dai_link *link,
struct snd_soc_tplg_link_config *cfg)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_tplg_private *private = &cfg->priv;
struct sof_ipc_dai_config config;
struct snd_soc_tplg_hw_config *hw_config;
int num_hw_configs;
int ret;
int i = 0;
if (!link->platforms) {
dev_err(sdev->dev, "error: no platforms\n");
return -EINVAL;
}
link->platforms->name = dev_name(sdev->dev);
/*
* Set nonatomic property for FE dai links as their trigger action
* involves IPC's.
*/
if (!link->no_pcm) {
link->nonatomic = true;
/* nothing more to do for FE dai links */
return 0;
}
/* check we have some tokens - we need at least DAI type */
if (le32_to_cpu(private->size) == 0) {
dev_err(sdev->dev, "error: expected tokens for DAI, none found\n");
return -EINVAL;
}
/* Send BE DAI link configurations to DSP */
memset(&config, 0, sizeof(config));
/* get any common DAI tokens */
ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
ARRAY_SIZE(dai_link_tokens), private->array,
le32_to_cpu(private->size));
if (ret != 0) {
dev_err(sdev->dev, "error: parse link tokens failed %d\n",
le32_to_cpu(private->size));
return ret;
}
/*
* DAI links are expected to have at least 1 hw_config.
* But some older topologies might have no hw_config for HDA dai links.
*/
num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
if (!num_hw_configs) {
if (config.type != SOF_DAI_INTEL_HDA) {
dev_err(sdev->dev, "error: unexpected DAI config count %d!\n",
le32_to_cpu(cfg->num_hw_configs));
return -EINVAL;
}
} else {
dev_dbg(sdev->dev, "tplg: %d hw_configs found, default id: %d!\n",
cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
for (i = 0; i < num_hw_configs; i++) {
if (cfg->hw_config[i].id == cfg->default_hw_config_id)
break;
}
if (i == num_hw_configs) {
dev_err(sdev->dev, "error: default hw_config id: %d not found!\n",
le32_to_cpu(cfg->default_hw_config_id));
return -EINVAL;
}
}
/* configure dai IPC message */
hw_config = &cfg->hw_config[i];
config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
config.format = le32_to_cpu(hw_config->fmt);
/* now load DAI specific data and send IPC - type comes from token */
switch (config.type) {
case SOF_DAI_INTEL_SSP:
ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
&config);
break;
case SOF_DAI_INTEL_DMIC:
ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
&config);
break;
case SOF_DAI_INTEL_HDA:
ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
&config);
break;
default:
dev_err(sdev->dev, "error: invalid DAI type %d\n", config.type);
ret = -EINVAL;
break;
}
if (ret < 0)
return ret;
return 0;
}
static int sof_link_hda_unload(struct snd_sof_dev *sdev,
struct snd_soc_dai_link *link)
{
struct snd_soc_dai *dai;
int ret = 0;
dai = snd_soc_find_dai(link->cpus);
if (!dai) {
dev_err(sdev->dev, "error: failed to find dai %s in %s",
link->cpus->dai_name, __func__);
return -EINVAL;
}
return ret;
}
static int sof_link_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_soc_dai_link *link =
container_of(dobj, struct snd_soc_dai_link, dobj);
struct snd_sof_dai *sof_dai;
int ret = 0;
/* only BE link is loaded by sof */
if (!link->no_pcm)
return 0;
list_for_each_entry(sof_dai, &sdev->dai_list, list) {
if (!sof_dai->name)
continue;
if (strcmp(link->name, sof_dai->name) == 0)
goto found;
}
dev_err(sdev->dev, "error: failed to find dai %s in %s",
link->name, __func__);
return -EINVAL;
found:
switch (sof_dai->dai_config->type) {
case SOF_DAI_INTEL_SSP:
case SOF_DAI_INTEL_DMIC:
/* no resource needs to be released for SSP and DMIC */
break;
case SOF_DAI_INTEL_HDA:
ret = sof_link_hda_unload(sdev, link);
break;
default:
dev_err(sdev->dev, "error: invalid DAI type %d\n",
sof_dai->dai_config->type);
ret = -EINVAL;
break;
}
return ret;
}
/* DAI link - used for any driver specific init */
static int sof_route_load(struct snd_soc_component *scomp, int index,
struct snd_soc_dapm_route *route)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct sof_ipc_pipe_comp_connect *connect;
struct snd_sof_widget *source_swidget, *sink_swidget;
struct snd_soc_dobj *dobj = &route->dobj;
struct snd_sof_route *sroute;
struct sof_ipc_reply reply;
int ret = 0;
/* allocate memory for sroute and connect */
sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
if (!sroute)
return -ENOMEM;
sroute->sdev = sdev;
connect = kzalloc(sizeof(*connect), GFP_KERNEL);
if (!connect) {
kfree(sroute);
return -ENOMEM;
}
connect->hdr.size = sizeof(*connect);
connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
dev_dbg(sdev->dev, "sink %s control %s source %s\n",
route->sink, route->control ? route->control : "none",
route->source);
/* source component */
source_swidget = snd_sof_find_swidget(sdev, (char *)route->source);
if (!source_swidget) {
dev_err(sdev->dev, "error: source %s not found\n",
route->source);
ret = -EINVAL;
goto err;
}
/*
* Virtual widgets of type output/out_drv may be added in topology
* for compatibility. These are not handled by the FW.
* So, don't send routes whose source/sink widget is of such types
* to the DSP.
*/
if (source_swidget->id == snd_soc_dapm_out_drv ||
source_swidget->id == snd_soc_dapm_output)
goto err;
connect->source_id = source_swidget->comp_id;
/* sink component */
sink_swidget = snd_sof_find_swidget(sdev, (char *)route->sink);
if (!sink_swidget) {
dev_err(sdev->dev, "error: sink %s not found\n",
route->sink);
ret = -EINVAL;
goto err;
}
/*
* Don't send routes whose sink widget is of type
* output or out_drv to the DSP
*/
if (sink_swidget->id == snd_soc_dapm_out_drv ||
sink_swidget->id == snd_soc_dapm_output)
goto err;
connect->sink_id = sink_swidget->comp_id;
/*
* For virtual routes, both sink and source are not
* buffer. Since only buffer linked to component is supported by
* FW, others are reported as error, add check in route function,
* do not send it to FW when both source and sink are not buffer
*/
if (source_swidget->id != snd_soc_dapm_buffer &&
sink_swidget->id != snd_soc_dapm_buffer) {
dev_dbg(sdev->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
route->source, route->sink);
ret = 0;
goto err;
} else {
ret = sof_ipc_tx_message(sdev->ipc,
connect->hdr.cmd,
connect, sizeof(*connect),
&reply, sizeof(reply));
/* check IPC return value */
if (ret < 0) {
dev_err(sdev->dev, "error: failed to add route sink %s control %s source %s\n",
route->sink,
route->control ? route->control : "none",
route->source);
goto err;
}
/* check IPC reply */
if (reply.error < 0) {
dev_err(sdev->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
route->sink,
route->control ? route->control : "none",
route->source, reply.error);
ret = reply.error;
goto err;
}
sroute->route = route;
dobj->private = sroute;
sroute->private = connect;
/* add route to route list */
list_add(&sroute->list, &sdev->route_list);
return ret;
}
err:
kfree(connect);
kfree(sroute);
return ret;
}
/* Function to set the initial value of SOF kcontrols.
* The value will be stored in scontrol->control_data
*/
static int snd_sof_cache_kcontrol_val(struct snd_sof_dev *sdev)
{
struct snd_sof_control *scontrol = NULL;
int ipc_cmd, ctrl_type;
int ret = 0;
list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
/* notify DSP of kcontrol values */
switch (scontrol->cmd) {
case SOF_CTRL_CMD_VOLUME:
case SOF_CTRL_CMD_ENUM:
case SOF_CTRL_CMD_SWITCH:
ipc_cmd = SOF_IPC_COMP_GET_VALUE;
ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
break;
case SOF_CTRL_CMD_BINARY:
ipc_cmd = SOF_IPC_COMP_GET_DATA;
ctrl_type = SOF_CTRL_TYPE_DATA_GET;
break;
default:
dev_err(sdev->dev,
"error: Invalid scontrol->cmd: %d\n",
scontrol->cmd);
return -EINVAL;
}
ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
ipc_cmd, ctrl_type,
scontrol->cmd,
false);
if (ret < 0) {
dev_warn(sdev->dev,
"error: kcontrol value get for widget: %d\n",
scontrol->comp_id);
}
}
return ret;
}
int snd_sof_complete_pipeline(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget)
{
struct sof_ipc_pipe_ready ready;
struct sof_ipc_reply reply;
int ret;
dev_dbg(sdev->dev, "tplg: complete pipeline %s id %d\n",
swidget->widget->name, swidget->comp_id);
memset(&ready, 0, sizeof(ready));
ready.hdr.size = sizeof(ready);
ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
ready.comp_id = swidget->comp_id;
ret = sof_ipc_tx_message(sdev->ipc,
ready.hdr.cmd, &ready, sizeof(ready), &reply,
sizeof(reply));
if (ret < 0)
return ret;
return 1;
}
/* completion - called at completion of firmware loading */
static void sof_complete(struct snd_soc_component *scomp)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_sof_widget *swidget;
/* some widget types require completion notificattion */
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->complete)
continue;
switch (swidget->id) {
case snd_soc_dapm_scheduler:
swidget->complete =
snd_sof_complete_pipeline(sdev, swidget);
break;
default:
break;
}
}
/*
* cache initial values of SOF kcontrols by reading DSP value over
* IPC. It may be overwritten by alsa-mixer after booting up
*/
snd_sof_cache_kcontrol_val(sdev);
}
/* manifest - optional to inform component of manifest */
static int sof_manifest(struct snd_soc_component *scomp, int index,
struct snd_soc_tplg_manifest *man)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
u32 size;
u32 abi_version;
size = le32_to_cpu(man->priv.size);
/* backward compatible with tplg without ABI info */
if (!size) {
dev_dbg(sdev->dev, "No topology ABI info\n");
return 0;
}
if (size != SOF_TPLG_ABI_SIZE) {
dev_err(sdev->dev, "error: invalid topology ABI size\n");
return -EINVAL;
}
dev_info(sdev->dev,
"Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
man->priv.data[0], man->priv.data[1],
man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
SOF_ABI_PATCH);
abi_version = SOF_ABI_VER(man->priv.data[0],
man->priv.data[1],
man->priv.data[2]);
if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
dev_err(sdev->dev, "error: incompatible topology ABI version\n");
return -EINVAL;
}
if (abi_version > SOF_ABI_VERSION) {
if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
dev_warn(sdev->dev, "warn: topology ABI is more recent than kernel\n");
} else {
dev_err(sdev->dev, "error: topology ABI is more recent than kernel\n");
return -EINVAL;
}
}
return 0;
}
/* vendor specific kcontrol handlers available for binding */
static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
};
/* vendor specific bytes ext handlers available for binding */
static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
};
static struct snd_soc_tplg_ops sof_tplg_ops = {
/* external kcontrol init - used for any driver specific init */
.control_load = sof_control_load,
.control_unload = sof_control_unload,
/* external kcontrol init - used for any driver specific init */
.dapm_route_load = sof_route_load,
.dapm_route_unload = sof_route_unload,
/* external widget init - used for any driver specific init */
/* .widget_load is not currently used */
.widget_ready = sof_widget_ready,
.widget_unload = sof_widget_unload,
/* FE DAI - used for any driver specific init */
.dai_load = sof_dai_load,
.dai_unload = sof_dai_unload,
/* DAI link - used for any driver specific init */
.link_load = sof_link_load,
.link_unload = sof_link_unload,
/* completion - called at completion of firmware loading */
.complete = sof_complete,
/* manifest - optional to inform component of manifest */
.manifest = sof_manifest,
/* vendor specific kcontrol handlers available for binding */
.io_ops = sof_io_ops,
.io_ops_count = ARRAY_SIZE(sof_io_ops),
/* vendor specific bytes ext handlers available for binding */
.bytes_ext_ops = sof_bytes_ext_ops,
.bytes_ext_ops_count = ARRAY_SIZE(sof_bytes_ext_ops),
};
int snd_sof_init_topology(struct snd_sof_dev *sdev,
struct snd_soc_tplg_ops *ops)
{
/* TODO: support linked list of topologies */
sdev->tplg_ops = ops;
return 0;
}
EXPORT_SYMBOL(snd_sof_init_topology);
int snd_sof_load_topology(struct snd_sof_dev *sdev, const char *file)
{
const struct firmware *fw;
int ret;
dev_dbg(sdev->dev, "loading topology:%s\n", file);
ret = request_firmware(&fw, file, sdev->dev);
if (ret < 0) {
dev_err(sdev->dev, "error: tplg request firmware %s failed err: %d\n",
file, ret);
return ret;
}
ret = snd_soc_tplg_component_load(sdev->component,
&sof_tplg_ops, fw,
SND_SOC_TPLG_INDEX_ALL);
if (ret < 0) {
dev_err(sdev->dev, "error: tplg component load failed %d\n",
ret);
ret = -EINVAL;
}
release_firmware(fw);
return ret;
}
EXPORT_SYMBOL(snd_sof_load_topology);
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