| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Liam Girdwood | 8597 | 67.42% | 14 | 20.59% |
| Mengdong Lin | 3849 | 30.19% | 26 | 38.24% |
| Guneshwor Singh | 44 | 0.35% | 1 | 1.47% |
| Kirill Marinushkin | 42 | 0.33% | 3 | 4.41% |
| Guennadi Liakhovetski | 27 | 0.21% | 1 | 1.47% |
| Guenter Roeck | 22 | 0.17% | 1 | 1.47% |
| Kuninori Morimoto | 21 | 0.16% | 1 | 1.47% |
| Bard Liao | 20 | 0.16% | 1 | 1.47% |
| Mousumi Jana | 19 | 0.15% | 1 | 1.47% |
| Ranjani Sridharan | 17 | 0.13% | 1 | 1.47% |
| Colin Ian King | 14 | 0.11% | 2 | 2.94% |
| Dan Carpenter | 14 | 0.11% | 1 | 1.47% |
| Linus Walleij | 13 | 0.10% | 1 | 1.47% |
| Christophe Jaillet | 9 | 0.07% | 2 | 2.94% |
| Subhransu S. Prusty | 8 | 0.06% | 1 | 1.47% |
| Axel Lin | 6 | 0.05% | 1 | 1.47% |
| Kees Cook | 5 | 0.04% | 1 | 1.47% |
| Jyri Sarha | 5 | 0.04% | 1 | 1.47% |
| Andrzej Hajda | 5 | 0.04% | 1 | 1.47% |
| Arnd Bergmann | 4 | 0.03% | 1 | 1.47% |
| Charles Keepax | 3 | 0.02% | 1 | 1.47% |
| Masahiro Yamada | 2 | 0.02% | 1 | 1.47% |
| Takashi Iwai | 2 | 0.02% | 1 | 1.47% |
| Jeeja KP | 1 | 0.01% | 1 | 1.47% |
| Lars-Peter Clausen | 1 | 0.01% | 1 | 1.47% |
| Omair Mohammed Abdullah | 1 | 0.01% | 1 | 1.47% |
| Total | 12751 | 68 |
// SPDX-License-Identifier: GPL-2.0+ // // soc-topology.c -- ALSA SoC Topology // // Copyright (C) 2012 Texas Instruments Inc. // Copyright (C) 2015 Intel Corporation. // // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com> // K, Mythri P <mythri.p.k@intel.com> // Prusty, Subhransu S <subhransu.s.prusty@intel.com> // B, Jayachandran <jayachandran.b@intel.com> // Abdullah, Omair M <omair.m.abdullah@intel.com> // Jin, Yao <yao.jin@intel.com> // Lin, Mengdong <mengdong.lin@intel.com> // // Add support to read audio firmware topology alongside firmware text. The // topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links, // equalizers, firmware, coefficients etc. // // This file only manages the core ALSA and ASoC components, all other bespoke // firmware topology data is passed to component drivers for bespoke handling. #include <linux/kernel.h> #include <linux/export.h> #include <linux/list.h> #include <linux/firmware.h> #include <linux/slab.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/soc-topology.h> #include <sound/tlv.h> /* * We make several passes over the data (since it wont necessarily be ordered) * and process objects in the following order. This guarantees the component * drivers will be ready with any vendor data before the mixers and DAPM objects * are loaded (that may make use of the vendor data). */ #define SOC_TPLG_PASS_MANIFEST 0 #define SOC_TPLG_PASS_VENDOR 1 #define SOC_TPLG_PASS_MIXER 2 #define SOC_TPLG_PASS_WIDGET 3 #define SOC_TPLG_PASS_PCM_DAI 4 #define SOC_TPLG_PASS_GRAPH 5 #define SOC_TPLG_PASS_PINS 6 #define SOC_TPLG_PASS_BE_DAI 7 #define SOC_TPLG_PASS_LINK 8 #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK /* topology context */ struct soc_tplg { const struct firmware *fw; /* runtime FW parsing */ const u8 *pos; /* read postion */ const u8 *hdr_pos; /* header position */ unsigned int pass; /* pass number */ /* component caller */ struct device *dev; struct snd_soc_component *comp; u32 index; /* current block index */ u32 req_index; /* required index, only loaded/free matching blocks */ /* vendor specific kcontrol operations */ const struct snd_soc_tplg_kcontrol_ops *io_ops; int io_ops_count; /* vendor specific bytes ext handlers, for TLV bytes controls */ const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; int bytes_ext_ops_count; /* optional fw loading callbacks to component drivers */ struct snd_soc_tplg_ops *ops; }; static int soc_tplg_process_headers(struct soc_tplg *tplg); static void soc_tplg_complete(struct soc_tplg *tplg); struct snd_soc_dapm_widget * snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget); struct snd_soc_dapm_widget * snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, const struct snd_soc_dapm_widget *widget); /* check we dont overflow the data for this control chunk */ static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size, unsigned int count, size_t bytes, const char *elem_type) { const u8 *end = tplg->pos + elem_size * count; if (end > tplg->fw->data + tplg->fw->size) { dev_err(tplg->dev, "ASoC: %s overflow end of data\n", elem_type); return -EINVAL; } /* check there is enough room in chunk for control. extra bytes at the end of control are for vendor data here */ if (elem_size * count > bytes) { dev_err(tplg->dev, "ASoC: %s count %d of size %zu is bigger than chunk %zu\n", elem_type, count, elem_size, bytes); return -EINVAL; } return 0; } static inline int soc_tplg_is_eof(struct soc_tplg *tplg) { const u8 *end = tplg->hdr_pos; if (end >= tplg->fw->data + tplg->fw->size) return 1; return 0; } static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg) { return (unsigned long)(tplg->hdr_pos - tplg->fw->data); } static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg) { return (unsigned long)(tplg->pos - tplg->fw->data); } /* mapping of Kcontrol types and associated operations. */ static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw, snd_soc_put_volsw, snd_soc_info_volsw}, {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx, snd_soc_put_volsw_sx, NULL}, {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double, snd_soc_put_enum_double, snd_soc_info_enum_double}, {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double, snd_soc_put_enum_double, NULL}, {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get, snd_soc_bytes_put, snd_soc_bytes_info}, {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range, snd_soc_put_volsw_range, snd_soc_info_volsw_range}, {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx, snd_soc_put_xr_sx, snd_soc_info_xr_sx}, {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, snd_soc_put_strobe, NULL}, {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, snd_soc_dapm_put_volsw, snd_soc_info_volsw}, {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, snd_soc_dapm_put_enum_double, NULL}, {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double, snd_soc_dapm_put_enum_double, NULL}, {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch, snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch}, }; struct soc_tplg_map { int uid; int kid; }; /* mapping of widget types from UAPI IDs to kernel IDs */ static const struct soc_tplg_map dapm_map[] = { {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input}, {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output}, {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux}, {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer}, {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga}, {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv}, {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc}, {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac}, {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch}, {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre}, {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post}, {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in}, {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out}, {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in}, {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out}, {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link}, {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer}, {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler}, {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect}, {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen}, {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src}, {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc}, {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder}, {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder}, }; static int tplc_chan_get_reg(struct soc_tplg *tplg, struct snd_soc_tplg_channel *chan, int map) { int i; for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { if (chan[i].id == map) return chan[i].reg; } return -EINVAL; } static int tplc_chan_get_shift(struct soc_tplg *tplg, struct snd_soc_tplg_channel *chan, int map) { int i; for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { if (chan[i].id == map) return chan[i].shift; } return -EINVAL; } static int get_widget_id(int tplg_type) { int i; for (i = 0; i < ARRAY_SIZE(dapm_map); i++) { if (tplg_type == dapm_map[i].uid) return dapm_map[i].kid; } return -EINVAL; } static inline void soc_bind_err(struct soc_tplg *tplg, struct snd_soc_tplg_ctl_hdr *hdr, int index) { dev_err(tplg->dev, "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n", hdr->ops.get, hdr->ops.put, hdr->ops.info, index, soc_tplg_get_offset(tplg)); } static inline void soc_control_err(struct soc_tplg *tplg, struct snd_soc_tplg_ctl_hdr *hdr, const char *name) { dev_err(tplg->dev, "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n", name, hdr->ops.get, hdr->ops.put, hdr->ops.info, soc_tplg_get_offset(tplg)); } /* pass vendor data to component driver for processing */ static int soc_tplg_vendor_load_(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { int ret = 0; if (tplg->comp && tplg->ops && tplg->ops->vendor_load) ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr); else { dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n", hdr->vendor_type); return -EINVAL; } if (ret < 0) dev_err(tplg->dev, "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n", soc_tplg_get_hdr_offset(tplg), soc_tplg_get_hdr_offset(tplg), hdr->type, hdr->vendor_type); return ret; } /* pass vendor data to component driver for processing */ static int soc_tplg_vendor_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { if (tplg->pass != SOC_TPLG_PASS_VENDOR) return 0; return soc_tplg_vendor_load_(tplg, hdr); } /* optionally pass new dynamic widget to component driver. This is mainly for * external widgets where we can assign private data/ops */ static int soc_tplg_widget_load(struct soc_tplg *tplg, struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) { if (tplg->comp && tplg->ops && tplg->ops->widget_load) return tplg->ops->widget_load(tplg->comp, tplg->index, w, tplg_w); return 0; } /* optionally pass new dynamic widget to component driver. This is mainly for * external widgets where we can assign private data/ops */ static int soc_tplg_widget_ready(struct soc_tplg *tplg, struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) { if (tplg->comp && tplg->ops && tplg->ops->widget_ready) return tplg->ops->widget_ready(tplg->comp, tplg->index, w, tplg_w); return 0; } /* pass DAI configurations to component driver for extra initialization */ static int soc_tplg_dai_load(struct soc_tplg *tplg, struct snd_soc_dai_driver *dai_drv, struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) { if (tplg->comp && tplg->ops && tplg->ops->dai_load) return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv, pcm, dai); return 0; } /* pass link configurations to component driver for extra initialization */ static int soc_tplg_dai_link_load(struct soc_tplg *tplg, struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) { if (tplg->comp && tplg->ops && tplg->ops->link_load) return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg); return 0; } /* tell the component driver that all firmware has been loaded in this request */ static void soc_tplg_complete(struct soc_tplg *tplg) { if (tplg->comp && tplg->ops && tplg->ops->complete) tplg->ops->complete(tplg->comp); } /* add a dynamic kcontrol */ static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev, const struct snd_kcontrol_new *control_new, const char *prefix, void *data, struct snd_kcontrol **kcontrol) { int err; *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix); if (*kcontrol == NULL) { dev_err(dev, "ASoC: Failed to create new kcontrol %s\n", control_new->name); return -ENOMEM; } err = snd_ctl_add(card, *kcontrol); if (err < 0) { dev_err(dev, "ASoC: Failed to add %s: %d\n", control_new->name, err); return err; } return 0; } /* add a dynamic kcontrol for component driver */ static int soc_tplg_add_kcontrol(struct soc_tplg *tplg, struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol) { struct snd_soc_component *comp = tplg->comp; return soc_tplg_add_dcontrol(comp->card->snd_card, comp->dev, k, NULL, comp, kcontrol); } /* remove a mixer kcontrol */ static void remove_mixer(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_card *card = comp->card->snd_card; struct soc_mixer_control *sm = container_of(dobj, struct soc_mixer_control, dobj); const unsigned int *p = NULL; if (pass != SOC_TPLG_PASS_MIXER) return; if (dobj->ops && dobj->ops->control_unload) dobj->ops->control_unload(comp, dobj); if (sm->dobj.control.kcontrol->tlv.p) p = sm->dobj.control.kcontrol->tlv.p; snd_ctl_remove(card, sm->dobj.control.kcontrol); list_del(&sm->dobj.list); kfree(sm); kfree(p); } /* remove an enum kcontrol */ static void remove_enum(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_card *card = comp->card->snd_card; struct soc_enum *se = container_of(dobj, struct soc_enum, dobj); int i; if (pass != SOC_TPLG_PASS_MIXER) return; if (dobj->ops && dobj->ops->control_unload) dobj->ops->control_unload(comp, dobj); snd_ctl_remove(card, se->dobj.control.kcontrol); list_del(&se->dobj.list); kfree(se->dobj.control.dvalues); for (i = 0; i < se->items; i++) kfree(se->dobj.control.dtexts[i]); kfree(se); } /* remove a byte kcontrol */ static void remove_bytes(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_card *card = comp->card->snd_card; struct soc_bytes_ext *sb = container_of(dobj, struct soc_bytes_ext, dobj); if (pass != SOC_TPLG_PASS_MIXER) return; if (dobj->ops && dobj->ops->control_unload) dobj->ops->control_unload(comp, dobj); snd_ctl_remove(card, sb->dobj.control.kcontrol); list_del(&sb->dobj.list); kfree(sb); } /* remove a widget and it's kcontrols - routes must be removed first */ static void remove_widget(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_card *card = comp->card->snd_card; struct snd_soc_dapm_widget *w = container_of(dobj, struct snd_soc_dapm_widget, dobj); int i; if (pass != SOC_TPLG_PASS_WIDGET) return; if (dobj->ops && dobj->ops->widget_unload) dobj->ops->widget_unload(comp, dobj); if (!w->kcontrols) goto free_news; /* * Dynamic Widgets either have 1..N enum kcontrols or mixers. * The enum may either have an array of values or strings. */ if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) { /* enumerated widget mixer */ for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) { struct snd_kcontrol *kcontrol = w->kcontrols[i]; struct soc_enum *se = (struct soc_enum *)kcontrol->private_value; int j; snd_ctl_remove(card, kcontrol); kfree(se->dobj.control.dvalues); for (j = 0; j < se->items; j++) kfree(se->dobj.control.dtexts[j]); kfree(se); kfree(w->kcontrol_news[i].name); } } else { /* volume mixer or bytes controls */ for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) { struct snd_kcontrol *kcontrol = w->kcontrols[i]; if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_MIXER) kfree(kcontrol->tlv.p); /* Private value is used as struct soc_mixer_control * for volume mixers or soc_bytes_ext for bytes * controls. */ kfree((void *)kcontrol->private_value); snd_ctl_remove(card, kcontrol); kfree(w->kcontrol_news[i].name); } } free_news: kfree(w->kcontrol_news); /* widget w is freed by soc-dapm.c */ } /* remove DAI configurations */ static void remove_dai(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_soc_dai_driver *dai_drv = container_of(dobj, struct snd_soc_dai_driver, dobj); struct snd_soc_dai *dai; if (pass != SOC_TPLG_PASS_PCM_DAI) return; if (dobj->ops && dobj->ops->dai_unload) dobj->ops->dai_unload(comp, dobj); list_for_each_entry(dai, &comp->dai_list, list) if (dai->driver == dai_drv) dai->driver = NULL; kfree(dai_drv->name); list_del(&dobj->list); kfree(dai_drv); } /* remove link configurations */ static void remove_link(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, int pass) { struct snd_soc_dai_link *link = container_of(dobj, struct snd_soc_dai_link, dobj); if (pass != SOC_TPLG_PASS_PCM_DAI) return; if (dobj->ops && dobj->ops->link_unload) dobj->ops->link_unload(comp, dobj); kfree(link->name); kfree(link->stream_name); kfree(link->cpu_dai_name); list_del(&dobj->list); snd_soc_remove_dai_link(comp->card, link); kfree(link); } /* bind a kcontrol to it's IO handlers */ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, struct snd_kcontrol_new *k, const struct soc_tplg *tplg) { const struct snd_soc_tplg_kcontrol_ops *ops; const struct snd_soc_tplg_bytes_ext_ops *ext_ops; int num_ops, i; if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { struct soc_bytes_ext *sbe; struct snd_soc_tplg_bytes_control *be; sbe = (struct soc_bytes_ext *)k->private_value; be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); /* TLV bytes controls need standard kcontrol info handler, * TLV callback and extended put/get handlers. */ k->info = snd_soc_bytes_info_ext; k->tlv.c = snd_soc_bytes_tlv_callback; ext_ops = tplg->bytes_ext_ops; num_ops = tplg->bytes_ext_ops_count; for (i = 0; i < num_ops; i++) { if (!sbe->put && ext_ops[i].id == be->ext_ops.put) sbe->put = ext_ops[i].put; if (!sbe->get && ext_ops[i].id == be->ext_ops.get) sbe->get = ext_ops[i].get; } if (sbe->put && sbe->get) return 0; else return -EINVAL; } /* try and map vendor specific kcontrol handlers first */ ops = tplg->io_ops; num_ops = tplg->io_ops_count; for (i = 0; i < num_ops; i++) { if (k->put == NULL && ops[i].id == hdr->ops.put) k->put = ops[i].put; if (k->get == NULL && ops[i].id == hdr->ops.get) k->get = ops[i].get; if (k->info == NULL && ops[i].id == hdr->ops.info) k->info = ops[i].info; } /* vendor specific handlers found ? */ if (k->put && k->get && k->info) return 0; /* none found so try standard kcontrol handlers */ ops = io_ops; num_ops = ARRAY_SIZE(io_ops); for (i = 0; i < num_ops; i++) { if (k->put == NULL && ops[i].id == hdr->ops.put) k->put = ops[i].put; if (k->get == NULL && ops[i].id == hdr->ops.get) k->get = ops[i].get; if (k->info == NULL && ops[i].id == hdr->ops.info) k->info = ops[i].info; } /* standard handlers found ? */ if (k->put && k->get && k->info) return 0; /* nothing to bind */ return -EINVAL; } /* bind a widgets to it's evnt handlers */ int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, const struct snd_soc_tplg_widget_events *events, int num_events, u16 event_type) { int i; w->event = NULL; for (i = 0; i < num_events; i++) { if (event_type == events[i].type) { /* found - so assign event */ w->event = events[i].event_handler; return 0; } } /* not found */ return -EINVAL; } EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event); /* optionally pass new dynamic kcontrol to component driver. */ static int soc_tplg_init_kcontrol(struct soc_tplg *tplg, struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr) { if (tplg->comp && tplg->ops && tplg->ops->control_load) return tplg->ops->control_load(tplg->comp, tplg->index, k, hdr); return 0; } static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) { unsigned int item_len = 2 * sizeof(unsigned int); unsigned int *p; p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL); if (!p) return -ENOMEM; p[0] = SNDRV_CTL_TLVT_DB_SCALE; p[1] = item_len; p[2] = scale->min; p[3] = (scale->step & TLV_DB_SCALE_MASK) | (scale->mute ? TLV_DB_SCALE_MUTE : 0); kc->tlv.p = (void *)p; return 0; } static int soc_tplg_create_tlv(struct soc_tplg *tplg, struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) { struct snd_soc_tplg_ctl_tlv *tplg_tlv; if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) return 0; if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { tplg_tlv = &tc->tlv; switch (tplg_tlv->type) { case SNDRV_CTL_TLVT_DB_SCALE: return soc_tplg_create_tlv_db_scale(tplg, kc, &tplg_tlv->scale); /* TODO: add support for other TLV types */ default: dev_dbg(tplg->dev, "Unsupported TLV type %d\n", tplg_tlv->type); return -EINVAL; } } return 0; } static inline void soc_tplg_free_tlv(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) { kfree(kc->tlv.p); } static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count, size_t size) { struct snd_soc_tplg_bytes_control *be; struct soc_bytes_ext *sbe; struct snd_kcontrol_new kc; int i, err; if (soc_tplg_check_elem_count(tplg, sizeof(struct snd_soc_tplg_bytes_control), count, size, "mixer bytes")) { dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n", count); return -EINVAL; } for (i = 0; i < count; i++) { be = (struct snd_soc_tplg_bytes_control *)tplg->pos; /* validate kcontrol */ if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); if (sbe == NULL) return -ENOMEM; tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + be->priv.size); dev_dbg(tplg->dev, "ASoC: adding bytes kcontrol %s with access 0x%x\n", be->hdr.name, be->hdr.access); memset(&kc, 0, sizeof(kc)); kc.name = be->hdr.name; kc.private_value = (long)sbe; kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc.access = be->hdr.access; sbe->max = be->max; sbe->dobj.type = SND_SOC_DOBJ_BYTES; sbe->dobj.ops = tplg->ops; INIT_LIST_HEAD(&sbe->dobj.list); /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg); if (err) { soc_control_err(tplg, &be->hdr, be->hdr.name); kfree(sbe); continue; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)be); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", be->hdr.name); kfree(sbe); continue; } /* register control here */ err = soc_tplg_add_kcontrol(tplg, &kc, &sbe->dobj.control.kcontrol); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to add %s\n", be->hdr.name); kfree(sbe); continue; } list_add(&sbe->dobj.list, &tplg->comp->dobj_list); } return 0; } static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count, size_t size) { struct snd_soc_tplg_mixer_control *mc; struct soc_mixer_control *sm; struct snd_kcontrol_new kc; int i, err; if (soc_tplg_check_elem_count(tplg, sizeof(struct snd_soc_tplg_mixer_control), count, size, "mixers")) { dev_err(tplg->dev, "ASoC: invalid count %d for controls\n", count); return -EINVAL; } for (i = 0; i < count; i++) { mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; /* validate kcontrol */ if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; sm = kzalloc(sizeof(*sm), GFP_KERNEL); if (sm == NULL) return -ENOMEM; tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + mc->priv.size); dev_dbg(tplg->dev, "ASoC: adding mixer kcontrol %s with access 0x%x\n", mc->hdr.name, mc->hdr.access); memset(&kc, 0, sizeof(kc)); kc.name = mc->hdr.name; kc.private_value = (long)sm; kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc.access = mc->hdr.access; /* we only support FL/FR channel mapping atm */ sm->reg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FL); sm->rreg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FR); sm->shift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FL); sm->rshift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FR); sm->max = mc->max; sm->min = mc->min; sm->invert = mc->invert; sm->platform_max = mc->platform_max; sm->dobj.index = tplg->index; sm->dobj.ops = tplg->ops; sm->dobj.type = SND_SOC_DOBJ_MIXER; INIT_LIST_HEAD(&sm->dobj.list); /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg); if (err) { soc_control_err(tplg, &mc->hdr, mc->hdr.name); kfree(sm); continue; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *) mc); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", mc->hdr.name); kfree(sm); continue; } /* create any TLV data */ soc_tplg_create_tlv(tplg, &kc, &mc->hdr); /* register control here */ err = soc_tplg_add_kcontrol(tplg, &kc, &sm->dobj.control.kcontrol); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to add %s\n", mc->hdr.name); soc_tplg_free_tlv(tplg, &kc); kfree(sm); continue; } list_add(&sm->dobj.list, &tplg->comp->dobj_list); } return 0; } static int soc_tplg_denum_create_texts(struct soc_enum *se, struct snd_soc_tplg_enum_control *ec) { int i, ret; se->dobj.control.dtexts = kcalloc(ec->items, sizeof(char *), GFP_KERNEL); if (se->dobj.control.dtexts == NULL) return -ENOMEM; for (i = 0; i < ec->items; i++) { if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { ret = -EINVAL; goto err; } se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL); if (!se->dobj.control.dtexts[i]) { ret = -ENOMEM; goto err; } } se->texts = (const char * const *)se->dobj.control.dtexts; return 0; err: for (--i; i >= 0; i--) kfree(se->dobj.control.dtexts[i]); kfree(se->dobj.control.dtexts); return ret; } static int soc_tplg_denum_create_values(struct soc_enum *se, struct snd_soc_tplg_enum_control *ec) { if (ec->items > sizeof(*ec->values)) return -EINVAL; se->dobj.control.dvalues = kmemdup(ec->values, ec->items * sizeof(u32), GFP_KERNEL); if (!se->dobj.control.dvalues) return -ENOMEM; return 0; } static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count, size_t size) { struct snd_soc_tplg_enum_control *ec; struct soc_enum *se; struct snd_kcontrol_new kc; int i, ret, err; if (soc_tplg_check_elem_count(tplg, sizeof(struct snd_soc_tplg_enum_control), count, size, "enums")) { dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n", count); return -EINVAL; } for (i = 0; i < count; i++) { ec = (struct snd_soc_tplg_enum_control *)tplg->pos; tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + ec->priv.size); /* validate kcontrol */ if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; se = kzalloc((sizeof(*se)), GFP_KERNEL); if (se == NULL) return -ENOMEM; dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n", ec->hdr.name, ec->items); memset(&kc, 0, sizeof(kc)); kc.name = ec->hdr.name; kc.private_value = (long)se; kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc.access = ec->hdr.access; se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL); se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL); se->items = ec->items; se->mask = ec->mask; se->dobj.index = tplg->index; se->dobj.type = SND_SOC_DOBJ_ENUM; se->dobj.ops = tplg->ops; INIT_LIST_HEAD(&se->dobj.list); switch (ec->hdr.ops.info) { case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: case SND_SOC_TPLG_CTL_ENUM_VALUE: err = soc_tplg_denum_create_values(se, ec); if (err < 0) { dev_err(tplg->dev, "ASoC: could not create values for %s\n", ec->hdr.name); kfree(se); continue; } /* fall through */ case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: err = soc_tplg_denum_create_texts(se, ec); if (err < 0) { dev_err(tplg->dev, "ASoC: could not create texts for %s\n", ec->hdr.name); kfree(se); continue; } break; default: dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n", ec->hdr.ops.info, ec->hdr.name); kfree(se); continue; } /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg); if (err) { soc_control_err(tplg, &ec->hdr, ec->hdr.name); kfree(se); continue; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *) ec); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", ec->hdr.name); kfree(se); continue; } /* register control here */ ret = soc_tplg_add_kcontrol(tplg, &kc, &se->dobj.control.kcontrol); if (ret < 0) { dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n", ec->hdr.name); kfree(se); continue; } list_add(&se->dobj.list, &tplg->comp->dobj_list); } return 0; } static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_ctl_hdr *control_hdr; int i; if (tplg->pass != SOC_TPLG_PASS_MIXER) { tplg->pos += hdr->size + hdr->payload_size; return 0; } dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count, soc_tplg_get_offset(tplg)); for (i = 0; i < hdr->count; i++) { control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; if (control_hdr->size != sizeof(*control_hdr)) { dev_err(tplg->dev, "ASoC: invalid control size\n"); return -EINVAL; } switch (control_hdr->ops.info) { case SND_SOC_TPLG_CTL_VOLSW: case SND_SOC_TPLG_CTL_STROBE: case SND_SOC_TPLG_CTL_VOLSW_SX: case SND_SOC_TPLG_CTL_VOLSW_XR_SX: case SND_SOC_TPLG_CTL_RANGE: case SND_SOC_TPLG_DAPM_CTL_VOLSW: case SND_SOC_TPLG_DAPM_CTL_PIN: soc_tplg_dmixer_create(tplg, 1, hdr->payload_size); break; case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_CTL_ENUM_VALUE: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: soc_tplg_denum_create(tplg, 1, hdr->payload_size); break; case SND_SOC_TPLG_CTL_BYTES: soc_tplg_dbytes_create(tplg, 1, hdr->payload_size); break; default: soc_bind_err(tplg, control_hdr, i); return -EINVAL; } } return 0; } /* optionally pass new dynamic kcontrol to component driver. */ static int soc_tplg_add_route(struct soc_tplg *tplg, struct snd_soc_dapm_route *route) { if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load) return tplg->ops->dapm_route_load(tplg->comp, tplg->index, route); return 0; } static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; struct snd_soc_dapm_route route; struct snd_soc_tplg_dapm_graph_elem *elem; int count = hdr->count, i; if (tplg->pass != SOC_TPLG_PASS_GRAPH) { tplg->pos += hdr->size + hdr->payload_size; return 0; } if (soc_tplg_check_elem_count(tplg, sizeof(struct snd_soc_tplg_dapm_graph_elem), count, hdr->payload_size, "graph")) { dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n", count); return -EINVAL; } dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count, hdr->index); for (i = 0; i < count; i++) { elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos; tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem); /* validate routes */ if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; route.source = elem->source; route.sink = elem->sink; route.connected = NULL; /* set to NULL atm for tplg users */ if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) route.control = NULL; else route.control = elem->control; soc_tplg_add_route(tplg, &route); /* add route, but keep going if some fail */ snd_soc_dapm_add_routes(dapm, &route, 1); } return 0; } static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create( struct soc_tplg *tplg, int num_kcontrols) { struct snd_kcontrol_new *kc; struct soc_mixer_control *sm; struct snd_soc_tplg_mixer_control *mc; int i, err; kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL); if (kc == NULL) return NULL; for (i = 0; i < num_kcontrols; i++) { mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; sm = kzalloc(sizeof(*sm), GFP_KERNEL); if (sm == NULL) goto err; tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + mc->priv.size); /* validate kcontrol */ if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) goto err_str; dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n", mc->hdr.name, i); kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL); if (kc[i].name == NULL) goto err_str; kc[i].private_value = (long)sm; kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc[i].access = mc->hdr.access; /* we only support FL/FR channel mapping atm */ sm->reg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FL); sm->rreg = tplc_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FR); sm->shift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FL); sm->rshift = tplc_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FR); sm->max = mc->max; sm->min = mc->min; sm->invert = mc->invert; sm->platform_max = mc->platform_max; sm->dobj.index = tplg->index; INIT_LIST_HEAD(&sm->dobj.list); /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg); if (err) { soc_control_err(tplg, &mc->hdr, mc->hdr.name); kfree(sm); continue; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc[i], (struct snd_soc_tplg_ctl_hdr *)mc); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", mc->hdr.name); kfree(sm); continue; } /* create any TLV data */ soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr); } return kc; err_str: kfree(sm); err: for (--i; i >= 0; i--) { kfree((void *)kc[i].private_value); kfree(kc[i].name); } kfree(kc); return NULL; } static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create( struct soc_tplg *tplg, int num_kcontrols) { struct snd_kcontrol_new *kc; struct snd_soc_tplg_enum_control *ec; struct soc_enum *se; int i, j, err; kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL); if (kc == NULL) return NULL; for (i = 0; i < num_kcontrols; i++) { ec = (struct snd_soc_tplg_enum_control *)tplg->pos; /* validate kcontrol */ if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) goto err; se = kzalloc(sizeof(*se), GFP_KERNEL); if (se == NULL) goto err; dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n", ec->hdr.name); kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL); if (kc[i].name == NULL) { kfree(se); goto err_se; } kc[i].private_value = (long)se; kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc[i].access = ec->hdr.access; /* we only support FL/FR channel mapping atm */ se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL); se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR); se->items = ec->items; se->mask = ec->mask; se->dobj.index = tplg->index; switch (ec->hdr.ops.info) { case SND_SOC_TPLG_CTL_ENUM_VALUE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: err = soc_tplg_denum_create_values(se, ec); if (err < 0) { dev_err(tplg->dev, "ASoC: could not create values for %s\n", ec->hdr.name); goto err_se; } /* fall through */ case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: err = soc_tplg_denum_create_texts(se, ec); if (err < 0) { dev_err(tplg->dev, "ASoC: could not create texts for %s\n", ec->hdr.name); goto err_se; } break; default: dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n", ec->hdr.ops.info, ec->hdr.name); goto err_se; } /* map io handlers */ err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg); if (err) { soc_control_err(tplg, &ec->hdr, ec->hdr.name); goto err_se; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc[i], (struct snd_soc_tplg_ctl_hdr *)ec); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", ec->hdr.name); goto err_se; } tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + ec->priv.size); } return kc; err_se: for (; i >= 0; i--) { /* free values and texts */ se = (struct soc_enum *)kc[i].private_value; if (!se) continue; kfree(se->dobj.control.dvalues); for (j = 0; j < ec->items; j++) kfree(se->dobj.control.dtexts[j]); kfree(se); kfree(kc[i].name); } err: kfree(kc); return NULL; } static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create( struct soc_tplg *tplg, int count) { struct snd_soc_tplg_bytes_control *be; struct soc_bytes_ext *sbe; struct snd_kcontrol_new *kc; int i, err; kc = kcalloc(count, sizeof(*kc), GFP_KERNEL); if (!kc) return NULL; for (i = 0; i < count; i++) { be = (struct snd_soc_tplg_bytes_control *)tplg->pos; /* validate kcontrol */ if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) goto err; sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); if (sbe == NULL) goto err; tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + be->priv.size); dev_dbg(tplg->dev, "ASoC: adding bytes kcontrol %s with access 0x%x\n", be->hdr.name, be->hdr.access); kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL); if (kc[i].name == NULL) { kfree(sbe); goto err; } kc[i].private_value = (long)sbe; kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc[i].access = be->hdr.access; sbe->max = be->max; INIT_LIST_HEAD(&sbe->dobj.list); /* map standard io handlers and check for external handlers */ err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg); if (err) { soc_control_err(tplg, &be->hdr, be->hdr.name); kfree(sbe); continue; } /* pass control to driver for optional further init */ err = soc_tplg_init_kcontrol(tplg, &kc[i], (struct snd_soc_tplg_ctl_hdr *)be); if (err < 0) { dev_err(tplg->dev, "ASoC: failed to init %s\n", be->hdr.name); kfree(sbe); continue; } } return kc; err: for (--i; i >= 0; i--) { kfree((void *)kc[i].private_value); kfree(kc[i].name); } kfree(kc); return NULL; } static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, struct snd_soc_tplg_dapm_widget *w) { struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; struct snd_soc_dapm_widget template, *widget; struct snd_soc_tplg_ctl_hdr *control_hdr; struct snd_soc_card *card = tplg->comp->card; unsigned int kcontrol_type; int ret = 0; if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n", w->name, w->id); memset(&template, 0, sizeof(template)); /* map user to kernel widget ID */ template.id = get_widget_id(w->id); if (template.id < 0) return template.id; /* strings are allocated here, but used and freed by the widget */ template.name = kstrdup(w->name, GFP_KERNEL); if (!template.name) return -ENOMEM; template.sname = kstrdup(w->sname, GFP_KERNEL); if (!template.sname) { ret = -ENOMEM; goto err; } template.reg = w->reg; template.shift = w->shift; template.mask = w->mask; template.subseq = w->subseq; template.on_val = w->invert ? 0 : 1; template.off_val = w->invert ? 1 : 0; template.ignore_suspend = w->ignore_suspend; template.event_flags = w->event_flags; template.dobj.index = tplg->index; tplg->pos += (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size); if (w->num_kcontrols == 0) { kcontrol_type = 0; template.num_kcontrols = 0; goto widget; } control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n", w->name, w->num_kcontrols, control_hdr->type); switch (control_hdr->ops.info) { case SND_SOC_TPLG_CTL_VOLSW: case SND_SOC_TPLG_CTL_STROBE: case SND_SOC_TPLG_CTL_VOLSW_SX: case SND_SOC_TPLG_CTL_VOLSW_XR_SX: case SND_SOC_TPLG_CTL_RANGE: case SND_SOC_TPLG_DAPM_CTL_VOLSW: kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */ template.num_kcontrols = w->num_kcontrols; template.kcontrol_news = soc_tplg_dapm_widget_dmixer_create(tplg, template.num_kcontrols); if (!template.kcontrol_news) { ret = -ENOMEM; goto hdr_err; } break; case SND_SOC_TPLG_CTL_ENUM: case SND_SOC_TPLG_CTL_ENUM_VALUE: case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */ template.num_kcontrols = w->num_kcontrols; template.kcontrol_news = soc_tplg_dapm_widget_denum_create(tplg, template.num_kcontrols); if (!template.kcontrol_news) { ret = -ENOMEM; goto hdr_err; } break; case SND_SOC_TPLG_CTL_BYTES: kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */ template.num_kcontrols = w->num_kcontrols; template.kcontrol_news = soc_tplg_dapm_widget_dbytes_create(tplg, template.num_kcontrols); if (!template.kcontrol_news) { ret = -ENOMEM; goto hdr_err; } break; default: dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n", control_hdr->ops.get, control_hdr->ops.put, control_hdr->ops.info); ret = -EINVAL; goto hdr_err; } widget: ret = soc_tplg_widget_load(tplg, &template, w); if (ret < 0) goto hdr_err; /* card dapm mutex is held by the core if we are loading topology * data during sound card init. */ if (card->instantiated) widget = snd_soc_dapm_new_control(dapm, &template); else widget = snd_soc_dapm_new_control_unlocked(dapm, &template); if (IS_ERR(widget)) { ret = PTR_ERR(widget); goto hdr_err; } widget->dobj.type = SND_SOC_DOBJ_WIDGET; widget->dobj.widget.kcontrol_type = kcontrol_type; widget->dobj.ops = tplg->ops; widget->dobj.index = tplg->index; list_add(&widget->dobj.list, &tplg->comp->dobj_list); ret = soc_tplg_widget_ready(tplg, widget, w); if (ret < 0) goto ready_err; return 0; ready_err: snd_soc_tplg_widget_remove(widget); snd_soc_dapm_free_widget(widget); hdr_err: kfree(template.sname); err: kfree(template.name); return ret; } static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_dapm_widget *widget; int ret, count = hdr->count, i; if (tplg->pass != SOC_TPLG_PASS_WIDGET) return 0; dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count); for (i = 0; i < count; i++) { widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos; if (widget->size != sizeof(*widget)) { dev_err(tplg->dev, "ASoC: invalid widget size\n"); return -EINVAL; } ret = soc_tplg_dapm_widget_create(tplg, widget); if (ret < 0) { dev_err(tplg->dev, "ASoC: failed to load widget %s\n", widget->name); return ret; } } return 0; } static int soc_tplg_dapm_complete(struct soc_tplg *tplg) { struct snd_soc_card *card = tplg->comp->card; int ret; /* Card might not have been registered at this point. * If so, just return success. */ if (!card || !card->instantiated) { dev_warn(tplg->dev, "ASoC: Parent card not yet available," " widget card binding deferred\n"); return 0; } ret = snd_soc_dapm_new_widgets(card); if (ret < 0) dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n", ret); return 0; } static void set_stream_info(struct snd_soc_pcm_stream *stream, struct snd_soc_tplg_stream_caps *caps) { stream->stream_name = kstrdup(caps->name, GFP_KERNEL); stream->channels_min = caps->channels_min; stream->channels_max = caps->channels_max; stream->rates = caps->rates; stream->rate_min = caps->rate_min; stream->rate_max = caps->rate_max; stream->formats = caps->formats; stream->sig_bits = caps->sig_bits; } static void set_dai_flags(struct snd_soc_dai_driver *dai_drv, unsigned int flag_mask, unsigned int flags) { if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) dai_drv->symmetric_rates = flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0; if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) dai_drv->symmetric_channels = flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ? 1 : 0; if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) dai_drv->symmetric_samplebits = flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ? 1 : 0; } static int soc_tplg_dai_create(struct soc_tplg *tplg, struct snd_soc_tplg_pcm *pcm) { struct snd_soc_dai_driver *dai_drv; struct snd_soc_pcm_stream *stream; struct snd_soc_tplg_stream_caps *caps; int ret; dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL); if (dai_drv == NULL) return -ENOMEM; if (strlen(pcm->dai_name)) dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL); dai_drv->id = pcm->dai_id; if (pcm->playback) { stream = &dai_drv->playback; caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; set_stream_info(stream, caps); } if (pcm->capture) { stream = &dai_drv->capture; caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE]; set_stream_info(stream, caps); } if (pcm->compress) dai_drv->compress_new = snd_soc_new_compress; /* pass control to component driver for optional further init */ ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL); if (ret < 0) { dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n"); kfree(dai_drv); return ret; } dai_drv->dobj.index = tplg->index; dai_drv->dobj.ops = tplg->ops; dai_drv->dobj.type = SND_SOC_DOBJ_PCM; list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list); /* register the DAI to the component */ return snd_soc_register_dai(tplg->comp, dai_drv); } static void set_link_flags(struct snd_soc_dai_link *link, unsigned int flag_mask, unsigned int flags) { if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) link->symmetric_rates = flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0; if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) link->symmetric_channels = flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ? 1 : 0; if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) link->symmetric_samplebits = flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ? 1 : 0; if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) link->ignore_suspend = flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ? 1 : 0; } /* create the FE DAI link */ static int soc_tplg_fe_link_create(struct soc_tplg *tplg, struct snd_soc_tplg_pcm *pcm) { struct snd_soc_dai_link *link; int ret; link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL); if (link == NULL) return -ENOMEM; if (strlen(pcm->pcm_name)) { link->name = kstrdup(pcm->pcm_name, GFP_KERNEL); link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL); } link->id = pcm->pcm_id; if (strlen(pcm->dai_name)) link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL); link->codec_name = "snd-soc-dummy"; link->codec_dai_name = "snd-soc-dummy-dai"; /* enable DPCM */ link->dynamic = 1; link->dpcm_playback = pcm->playback; link->dpcm_capture = pcm->capture; if (pcm->flag_mask) set_link_flags(link, pcm->flag_mask, pcm->flags); /* pass control to component driver for optional further init */ ret = soc_tplg_dai_link_load(tplg, link, NULL); if (ret < 0) { dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n"); kfree(link); return ret; } link->dobj.index = tplg->index; link->dobj.ops = tplg->ops; link->dobj.type = SND_SOC_DOBJ_DAI_LINK; list_add(&link->dobj.list, &tplg->comp->dobj_list); snd_soc_add_dai_link(tplg->comp->card, link); return 0; } /* create a FE DAI and DAI link from the PCM object */ static int soc_tplg_pcm_create(struct soc_tplg *tplg, struct snd_soc_tplg_pcm *pcm) { int ret; ret = soc_tplg_dai_create(tplg, pcm); if (ret < 0) return ret; return soc_tplg_fe_link_create(tplg, pcm); } /* copy stream caps from the old version 4 of source */ static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest, struct snd_soc_tplg_stream_caps_v4 *src) { dest->size = sizeof(*dest); memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); dest->formats = src->formats; dest->rates = src->rates; dest->rate_min = src->rate_min; dest->rate_max = src->rate_max; dest->channels_min = src->channels_min; dest->channels_max = src->channels_max; dest->periods_min = src->periods_min; dest->periods_max = src->periods_max; dest->period_size_min = src->period_size_min; dest->period_size_max = src->period_size_max; dest->buffer_size_min = src->buffer_size_min; dest->buffer_size_max = src->buffer_size_max; } /** * pcm_new_ver - Create the new version of PCM from the old version. * @tplg: topology context * @src: older version of pcm as a source * @pcm: latest version of pcm created from the source * * Support from vesion 4. User should free the returned pcm manually. */ static int pcm_new_ver(struct soc_tplg *tplg, struct snd_soc_tplg_pcm *src, struct snd_soc_tplg_pcm **pcm) { struct snd_soc_tplg_pcm *dest; struct snd_soc_tplg_pcm_v4 *src_v4; int i; *pcm = NULL; if (src->size != sizeof(*src_v4)) { dev_err(tplg->dev, "ASoC: invalid PCM size\n"); return -EINVAL; } dev_warn(tplg->dev, "ASoC: old version of PCM\n"); src_v4 = (struct snd_soc_tplg_pcm_v4 *)src; dest = kzalloc(sizeof(*dest), GFP_KERNEL); if (!dest) return -ENOMEM; dest->size = sizeof(*dest); /* size of latest abi version */ memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); dest->pcm_id = src_v4->pcm_id; dest->dai_id = src_v4->dai_id; dest->playback = src_v4->playback; dest->capture = src_v4->capture; dest->compress = src_v4->compress; dest->num_streams = src_v4->num_streams; for (i = 0; i < dest->num_streams; i++) memcpy(&dest->stream[i], &src_v4->stream[i], sizeof(struct snd_soc_tplg_stream)); for (i = 0; i < 2; i++) stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]); *pcm = dest; return 0; } static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_pcm *pcm, *_pcm; int count = hdr->count; int i; bool abi_match; if (tplg->pass != SOC_TPLG_PASS_PCM_DAI) return 0; /* check the element size and count */ pcm = (struct snd_soc_tplg_pcm *)tplg->pos; if (pcm->size > sizeof(struct snd_soc_tplg_pcm) || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) { dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n", pcm->size); return -EINVAL; } if (soc_tplg_check_elem_count(tplg, pcm->size, count, hdr->payload_size, "PCM DAI")) { dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n", count); return -EINVAL; } for (i = 0; i < count; i++) { pcm = (struct snd_soc_tplg_pcm *)tplg->pos; /* check ABI version by size, create a new version of pcm * if abi not match. */ if (pcm->size == sizeof(*pcm)) { abi_match = true; _pcm = pcm; } else { abi_match = false; pcm_new_ver(tplg, pcm, &_pcm); } /* create the FE DAIs and DAI links */ soc_tplg_pcm_create(tplg, _pcm); /* offset by version-specific struct size and * real priv data size */ tplg->pos += pcm->size + _pcm->priv.size; if (!abi_match) kfree(_pcm); /* free the duplicated one */ } dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count); return 0; } /** * set_link_hw_format - Set the HW audio format of the physical DAI link. * @link: &snd_soc_dai_link which should be updated * @cfg: physical link configs. * * Topology context contains a list of supported HW formats (configs) and * a default format ID for the physical link. This function will use this * default ID to choose the HW format to set the link's DAI format for init. */ static void set_link_hw_format(struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) { struct snd_soc_tplg_hw_config *hw_config; unsigned char bclk_master, fsync_master; unsigned char invert_bclk, invert_fsync; int i; for (i = 0; i < cfg->num_hw_configs; i++) { hw_config = &cfg->hw_config[i]; if (hw_config->id != cfg->default_hw_config_id) continue; link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK; /* clock gating */ switch (hw_config->clock_gated) { case SND_SOC_TPLG_DAI_CLK_GATE_GATED: link->dai_fmt |= SND_SOC_DAIFMT_GATED; break; case SND_SOC_TPLG_DAI_CLK_GATE_CONT: link->dai_fmt |= SND_SOC_DAIFMT_CONT; break; default: /* ignore the value */ break; } /* clock signal polarity */ invert_bclk = hw_config->invert_bclk; invert_fsync = hw_config->invert_fsync; if (!invert_bclk && !invert_fsync) link->dai_fmt |= SND_SOC_DAIFMT_NB_NF; else if (!invert_bclk && invert_fsync) link->dai_fmt |= SND_SOC_DAIFMT_NB_IF; else if (invert_bclk && !invert_fsync) link->dai_fmt |= SND_SOC_DAIFMT_IB_NF; else link->dai_fmt |= SND_SOC_DAIFMT_IB_IF; /* clock masters */ bclk_master = (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM); fsync_master = (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM); if (bclk_master && fsync_master) link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; else if (!bclk_master && fsync_master) link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; else if (bclk_master && !fsync_master) link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; else link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; } } /** * link_new_ver - Create a new physical link config from the old * version of source. * @tplg: topology context * @src: old version of phyical link config as a source * @link: latest version of physical link config created from the source * * Support from vesion 4. User need free the returned link config manually. */ static int link_new_ver(struct soc_tplg *tplg, struct snd_soc_tplg_link_config *src, struct snd_soc_tplg_link_config **link) { struct snd_soc_tplg_link_config *dest; struct snd_soc_tplg_link_config_v4 *src_v4; int i; *link = NULL; if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) { dev_err(tplg->dev, "ASoC: invalid physical link config size\n"); return -EINVAL; } dev_warn(tplg->dev, "ASoC: old version of physical link config\n"); src_v4 = (struct snd_soc_tplg_link_config_v4 *)src; dest = kzalloc(sizeof(*dest), GFP_KERNEL); if (!dest) return -ENOMEM; dest->size = sizeof(*dest); dest->id = src_v4->id; dest->num_streams = src_v4->num_streams; for (i = 0; i < dest->num_streams; i++) memcpy(&dest->stream[i], &src_v4->stream[i], sizeof(struct snd_soc_tplg_stream)); *link = dest; return 0; } /* Find and configure an existing physical DAI link */ static int soc_tplg_link_config(struct soc_tplg *tplg, struct snd_soc_tplg_link_config *cfg) { struct snd_soc_dai_link *link; const char *name, *stream_name; size_t len; int ret; len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; else if (len) name = cfg->name; else name = NULL; len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) return -EINVAL; else if (len) stream_name = cfg->stream_name; else stream_name = NULL; link = snd_soc_find_dai_link(tplg->comp->card, cfg->id, name, stream_name); if (!link) { dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n", name, cfg->id); return -EINVAL; } /* hw format */ if (cfg->num_hw_configs) set_link_hw_format(link, cfg); /* flags */ if (cfg->flag_mask) set_link_flags(link, cfg->flag_mask, cfg->flags); /* pass control to component driver for optional further init */ ret = soc_tplg_dai_link_load(tplg, link, cfg); if (ret < 0) { dev_err(tplg->dev, "ASoC: physical link loading failed\n"); return ret; } return 0; } /* Load physical link config elements from the topology context */ static int soc_tplg_link_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_link_config *link, *_link; int count = hdr->count; int i, ret; bool abi_match; if (tplg->pass != SOC_TPLG_PASS_LINK) { tplg->pos += hdr->size + hdr->payload_size; return 0; }; /* check the element size and count */ link = (struct snd_soc_tplg_link_config *)tplg->pos; if (link->size > sizeof(struct snd_soc_tplg_link_config) || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) { dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n", link->size); return -EINVAL; } if (soc_tplg_check_elem_count(tplg, link->size, count, hdr->payload_size, "physical link config")) { dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n", count); return -EINVAL; } /* config physical DAI links */ for (i = 0; i < count; i++) { link = (struct snd_soc_tplg_link_config *)tplg->pos; if (link->size == sizeof(*link)) { abi_match = true; _link = link; } else { abi_match = false; ret = link_new_ver(tplg, link, &_link); if (ret < 0) return ret; } ret = soc_tplg_link_config(tplg, _link); if (ret < 0) return ret; /* offset by version-specific struct size and * real priv data size */ tplg->pos += link->size + _link->priv.size; if (!abi_match) kfree(_link); /* free the duplicated one */ } return 0; } /** * soc_tplg_dai_config - Find and configure an existing physical DAI. * @tplg: topology context * @d: physical DAI configs. * * The physical dai should already be registered by the platform driver. * The platform driver should specify the DAI name and ID for matching. */ static int soc_tplg_dai_config(struct soc_tplg *tplg, struct snd_soc_tplg_dai *d) { struct snd_soc_dai_link_component dai_component = {0}; struct snd_soc_dai *dai; struct snd_soc_dai_driver *dai_drv; struct snd_soc_pcm_stream *stream; struct snd_soc_tplg_stream_caps *caps; int ret; dai_component.dai_name = d->dai_name; dai = snd_soc_find_dai(&dai_component); if (!dai) { dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n", d->dai_name); return -EINVAL; } if (d->dai_id != dai->id) { dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n", d->dai_name); return -EINVAL; } dai_drv = dai->driver; if (!dai_drv) return -EINVAL; if (d->playback) { stream = &dai_drv->playback; caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; set_stream_info(stream, caps); } if (d->capture) { stream = &dai_drv->capture; caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE]; set_stream_info(stream, caps); } if (d->flag_mask) set_dai_flags(dai_drv, d->flag_mask, d->flags); /* pass control to component driver for optional further init */ ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai); if (ret < 0) { dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n"); return ret; } return 0; } /* load physical DAI elements */ static int soc_tplg_dai_elems_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_dai *dai; int count = hdr->count; int i; if (tplg->pass != SOC_TPLG_PASS_BE_DAI) return 0; /* config the existing BE DAIs */ for (i = 0; i < count; i++) { dai = (struct snd_soc_tplg_dai *)tplg->pos; if (dai->size != sizeof(*dai)) { dev_err(tplg->dev, "ASoC: invalid physical DAI size\n"); return -EINVAL; } soc_tplg_dai_config(tplg, dai); tplg->pos += (sizeof(*dai) + dai->priv.size); } dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count); return 0; } /** * manifest_new_ver - Create a new version of manifest from the old version * of source. * @tplg: topology context * @src: old version of manifest as a source * @manifest: latest version of manifest created from the source * * Support from vesion 4. Users need free the returned manifest manually. */ static int manifest_new_ver(struct soc_tplg *tplg, struct snd_soc_tplg_manifest *src, struct snd_soc_tplg_manifest **manifest) { struct snd_soc_tplg_manifest *dest; struct snd_soc_tplg_manifest_v4 *src_v4; *manifest = NULL; if (src->size != sizeof(*src_v4)) { dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n", src->size); if (src->size) return -EINVAL; src->size = sizeof(*src_v4); } dev_warn(tplg->dev, "ASoC: old version of manifest\n"); src_v4 = (struct snd_soc_tplg_manifest_v4 *)src; dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL); if (!dest) return -ENOMEM; dest->size = sizeof(*dest); /* size of latest abi version */ dest->control_elems = src_v4->control_elems; dest->widget_elems = src_v4->widget_elems; dest->graph_elems = src_v4->graph_elems; dest->pcm_elems = src_v4->pcm_elems; dest->dai_link_elems = src_v4->dai_link_elems; dest->priv.size = src_v4->priv.size; if (dest->priv.size) memcpy(dest->priv.data, src_v4->priv.data, src_v4->priv.size); *manifest = dest; return 0; } static int soc_tplg_manifest_load(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { struct snd_soc_tplg_manifest *manifest, *_manifest; bool abi_match; int err; if (tplg->pass != SOC_TPLG_PASS_MANIFEST) return 0; manifest = (struct snd_soc_tplg_manifest *)tplg->pos; /* check ABI version by size, create a new manifest if abi not match */ if (manifest->size == sizeof(*manifest)) { abi_match = true; _manifest = manifest; } else { abi_match = false; err = manifest_new_ver(tplg, manifest, &_manifest); if (err < 0) return err; } /* pass control to component driver for optional further init */ if (tplg->comp && tplg->ops && tplg->ops->manifest) return tplg->ops->manifest(tplg->comp, tplg->index, _manifest); if (!abi_match) /* free the duplicated one */ kfree(_manifest); return 0; } /* validate header magic, size and type */ static int soc_valid_header(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size) return 0; if (hdr->size != sizeof(*hdr)) { dev_err(tplg->dev, "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n", hdr->type, soc_tplg_get_hdr_offset(tplg), tplg->fw->size); return -EINVAL; } /* big endian firmware objects not supported atm */ if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) { dev_err(tplg->dev, "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n", tplg->pass, hdr->magic, soc_tplg_get_hdr_offset(tplg), tplg->fw->size); return -EINVAL; } if (hdr->magic != SND_SOC_TPLG_MAGIC) { dev_err(tplg->dev, "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n", tplg->pass, hdr->magic, soc_tplg_get_hdr_offset(tplg), tplg->fw->size); return -EINVAL; } /* Support ABI from version 4 */ if (hdr->abi > SND_SOC_TPLG_ABI_VERSION || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) { dev_err(tplg->dev, "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n", tplg->pass, hdr->abi, SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg), tplg->fw->size); return -EINVAL; } if (hdr->payload_size == 0) { dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n", soc_tplg_get_hdr_offset(tplg)); return -EINVAL; } if (tplg->pass == hdr->type) dev_dbg(tplg->dev, "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n", hdr->payload_size, hdr->type, hdr->version, hdr->vendor_type, tplg->pass); return 1; } /* check header type and call appropriate handler */ static int soc_tplg_load_header(struct soc_tplg *tplg, struct snd_soc_tplg_hdr *hdr) { tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr); /* check for matching ID */ if (hdr->index != tplg->req_index && tplg->req_index != SND_SOC_TPLG_INDEX_ALL) return 0; tplg->index = hdr->index; switch (hdr->type) { case SND_SOC_TPLG_TYPE_MIXER: case SND_SOC_TPLG_TYPE_ENUM: case SND_SOC_TPLG_TYPE_BYTES: return soc_tplg_kcontrol_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_DAPM_GRAPH: return soc_tplg_dapm_graph_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_DAPM_WIDGET: return soc_tplg_dapm_widget_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_PCM: return soc_tplg_pcm_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_DAI: return soc_tplg_dai_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_DAI_LINK: case SND_SOC_TPLG_TYPE_BACKEND_LINK: /* physical link configurations */ return soc_tplg_link_elems_load(tplg, hdr); case SND_SOC_TPLG_TYPE_MANIFEST: return soc_tplg_manifest_load(tplg, hdr); default: /* bespoke vendor data object */ return soc_tplg_vendor_load(tplg, hdr); } return 0; } /* process the topology file headers */ static int soc_tplg_process_headers(struct soc_tplg *tplg) { struct snd_soc_tplg_hdr *hdr; int ret; tplg->pass = SOC_TPLG_PASS_START; /* process the header types from start to end */ while (tplg->pass <= SOC_TPLG_PASS_END) { tplg->hdr_pos = tplg->fw->data; hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; while (!soc_tplg_is_eof(tplg)) { /* make sure header is valid before loading */ ret = soc_valid_header(tplg, hdr); if (ret < 0) return ret; else if (ret == 0) break; /* load the header object */ ret = soc_tplg_load_header(tplg, hdr); if (ret < 0) return ret; /* goto next header */ tplg->hdr_pos += hdr->payload_size + sizeof(struct snd_soc_tplg_hdr); hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; } /* next data type pass */ tplg->pass++; } /* signal DAPM we are complete */ ret = soc_tplg_dapm_complete(tplg); if (ret < 0) dev_err(tplg->dev, "ASoC: failed to initialise DAPM from Firmware\n"); return ret; } static int soc_tplg_load(struct soc_tplg *tplg) { int ret; ret = soc_tplg_process_headers(tplg); if (ret == 0) soc_tplg_complete(tplg); return ret; } /* load audio component topology from "firmware" file */ int snd_soc_tplg_component_load(struct snd_soc_component *comp, struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id) { struct soc_tplg tplg; int ret; /* setup parsing context */ memset(&tplg, 0, sizeof(tplg)); tplg.fw = fw; tplg.dev = comp->dev; tplg.comp = comp; tplg.ops = ops; tplg.req_index = id; tplg.io_ops = ops->io_ops; tplg.io_ops_count = ops->io_ops_count; tplg.bytes_ext_ops = ops->bytes_ext_ops; tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count; ret = soc_tplg_load(&tplg); /* free the created components if fail to load topology */ if (ret) snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL); return ret; } EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); /* remove this dynamic widget */ void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w) { /* make sure we are a widget */ if (w->dobj.type != SND_SOC_DOBJ_WIDGET) return; remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET); } EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove); /* remove all dynamic widgets from this DAPM context */ void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm, u32 index) { struct snd_soc_dapm_widget *w, *next_w; list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { /* make sure we are a widget with correct context */ if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm) continue; /* match ID */ if (w->dobj.index != index && w->dobj.index != SND_SOC_TPLG_INDEX_ALL) continue; /* check and free and dynamic widget kcontrols */ snd_soc_tplg_widget_remove(w); snd_soc_dapm_free_widget(w); } snd_soc_dapm_reset_cache(dapm); } EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); /* remove dynamic controls from the component driver */ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) { struct snd_soc_dobj *dobj, *next_dobj; int pass = SOC_TPLG_PASS_END; /* process the header types from end to start */ while (pass >= SOC_TPLG_PASS_START) { /* remove mixer controls */ list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, list) { /* match index */ if (dobj->index != index && index != SND_SOC_TPLG_INDEX_ALL) continue; switch (dobj->type) { case SND_SOC_DOBJ_MIXER: remove_mixer(comp, dobj, pass); break; case SND_SOC_DOBJ_ENUM: remove_enum(comp, dobj, pass); break; case SND_SOC_DOBJ_BYTES: remove_bytes(comp, dobj, pass); break; case SND_SOC_DOBJ_WIDGET: remove_widget(comp, dobj, pass); break; case SND_SOC_DOBJ_PCM: remove_dai(comp, dobj, pass); break; case SND_SOC_DOBJ_DAI_LINK: remove_link(comp, dobj, pass); break; default: dev_err(comp->dev, "ASoC: invalid component type %d for removal\n", dobj->type); break; } } pass--; } /* let caller know if FW can be freed when no objects are left */ return !list_empty(&comp->dobj_list); } EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
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