// 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 // #include #include #include #include #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}, }; 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 = sizeof(struct sof_ipc_ctrl_data) + sizeof(struct sof_ipc_ctrl_value_chan) * 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->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 = sizeof(struct sof_ipc_ctrl_data) + sizeof(struct sof_ipc_ctrl_value_chan) * 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}, }; /* * 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; 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; 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; 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, int tx_slot, int rx_slot) { 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) { if (sof_dai->comp_dai.direction == SNDRV_PCM_STREAM_PLAYBACK) { if (!link->dpcm_playback) return -EINVAL; config->hda.link_dma_ch = tx_slot; } else { if (!link->dpcm_capture) return -EINVAL; config->hda.link_dma_ch = rx_slot; } config->dai_index = sof_dai->comp_dai.dai_index; found = 1; /* save config in dai component */ sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL); if (!sof_dai->dai_config) return -ENOMEM; /* 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_dai_link_component dai_component; struct snd_soc_tplg_private *private = &cfg->priv; struct snd_soc_dai *dai; u32 size = sizeof(*config); u32 tx_num = 0; u32 tx_slot = 0; u32 rx_num = 0; u32 rx_slot = 0; int ret; /* init IPC */ memset(&dai_component, 0, sizeof(dai_component)); 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_component.dai_name = link->cpu_dai_name; dai = snd_soc_find_dai(&dai_component); if (!dai) { dev_err(sdev->dev, "error: failed to find dai %s in %s", dai_component.dai_name, __func__); return -EINVAL; } if (link->dpcm_playback) tx_num = 1; if (link->dpcm_capture) rx_num = 1; ret = snd_soc_dai_get_channel_map(dai, &tx_num, &tx_slot, &rx_num, &rx_slot); if (ret < 0) { dev_err(sdev->dev, "error: failed to get dma channel for HDA%d\n", config->dai_index); return ret; } ret = sof_link_hda_process(sdev, link, config, tx_slot, rx_slot); 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; link->platform_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_link_component dai_component; struct snd_soc_dai *dai; int ret = 0; memset(&dai_component, 0, sizeof(dai_component)); dai_component.dai_name = link->cpu_dai_name; dai = snd_soc_find_dai(&dai_component); if (!dai) { dev_err(sdev->dev, "error: failed to find dai %s in %s", dai_component.dai_name, __func__); return -EINVAL; } /* * FIXME: this call to hw_free is mainly to release the link DMA ID. * This is abusing the API and handling SOC internals is not * recommended. This part will be reworked. */ if (dai->driver->ops->hw_free) ret = dai->driver->ops->hw_free(NULL, dai); if (ret < 0) dev_err(sdev->dev, "error: failed to free hda resource for %s\n", link->name); 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; } 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; } } } /* 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);