| // 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> |
| |
| #define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */ |
| |
| /* |
| * 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); |
| static void soc_tplg_denum_remove_texts(struct soc_enum *se); |
| static void soc_tplg_denum_remove_values(struct soc_enum *se); |
| |
| /* 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 (le32_to_cpu(chan[i].id) == map) |
| return le32_to_cpu(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 (le32_to_cpu(chan[i].id) == map) |
| return le32_to_cpu(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 (dobj->control.kcontrol->tlv.p) |
| p = dobj->control.kcontrol->tlv.p; |
| snd_ctl_remove(card, dobj->control.kcontrol); |
| list_del(&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); |
| |
| if (pass != SOC_TPLG_PASS_MIXER) |
| return; |
| |
| if (dobj->ops && dobj->ops->control_unload) |
| dobj->ops->control_unload(comp, dobj); |
| |
| snd_ctl_remove(card, dobj->control.kcontrol); |
| list_del(&dobj->list); |
| |
| soc_tplg_denum_remove_values(se); |
| soc_tplg_denum_remove_texts(se); |
| 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, dobj->control.kcontrol); |
| list_del(&dobj->list); |
| kfree(sb); |
| } |
| |
| /* remove a route */ |
| static void remove_route(struct snd_soc_component *comp, |
| struct snd_soc_dobj *dobj, int pass) |
| { |
| struct snd_soc_dapm_route *route = |
| container_of(dobj, struct snd_soc_dapm_route, dobj); |
| |
| if (pass != SOC_TPLG_PASS_GRAPH) |
| return; |
| |
| if (dobj->ops && dobj->ops->dapm_route_unload) |
| dobj->ops->dapm_route_unload(comp, dobj); |
| |
| list_del(&dobj->list); |
| kfree(route); |
| } |
| |
| /* 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; |
| |
| snd_ctl_remove(card, kcontrol); |
| |
| /* free enum kcontrol's dvalues and dtexts */ |
| soc_tplg_denum_remove_values(se); |
| soc_tplg_denum_remove_texts(se); |
| |
| 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); |
| |
| list_del(&dobj->list); |
| |
| /* 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); |
| |
| for_each_component_dais(comp, dai) |
| if (dai->driver == dai_drv) |
| dai->driver = NULL; |
| |
| kfree(dai_drv->playback.stream_name); |
| kfree(dai_drv->capture.stream_name); |
| 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); |
| |
| list_del(&dobj->list); |
| snd_soc_remove_dai_link(comp->card, link); |
| |
| kfree(link->name); |
| kfree(link->stream_name); |
| kfree(link->cpus->dai_name); |
| kfree(link); |
| } |
| |
| /* unload dai link */ |
| static void remove_backend_link(struct snd_soc_component *comp, |
| struct snd_soc_dobj *dobj, int pass) |
| { |
| if (pass != SOC_TPLG_PASS_LINK) |
| return; |
| |
| if (dobj->ops && dobj->ops->link_unload) |
| dobj->ops->link_unload(comp, dobj); |
| |
| /* |
| * We don't free the link here as what remove_link() do since BE |
| * links are not allocated by topology. |
| * We however need to reset the dobj type to its initial values |
| */ |
| dobj->type = SND_SOC_DOBJ_NONE; |
| list_del(&dobj->list); |
| } |
| |
| /* 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 (le32_to_cpu(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] = le32_to_cpu(scale->min); |
| p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK) |
| | (le32_to_cpu(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; |
| u32 access = le32_to_cpu(tc->access); |
| |
| if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) |
| return 0; |
| |
| if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { |
| tplg_tlv = &tc->tlv; |
| switch (le32_to_cpu(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) + |
| le32_to_cpu(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 = le32_to_cpu(be->hdr.access); |
| |
| sbe->max = le32_to_cpu(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) + |
| le32_to_cpu(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 = le32_to_cpu(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 = le32_to_cpu(mc->max); |
| sm->min = le32_to_cpu(mc->min); |
| sm->invert = le32_to_cpu(mc->invert); |
| sm->platform_max = le32_to_cpu(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; |
| } |
| |
| /* create any TLV data */ |
| soc_tplg_create_tlv(tplg, &kc, &mc->hdr); |
| |
| /* 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); |
| soc_tplg_free_tlv(tplg, &kc); |
| kfree(sm); |
| continue; |
| } |
| |
| /* 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(le32_to_cpu(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->items = le32_to_cpu(ec->items); |
| se->texts = (const char * const *)se->dobj.control.dtexts; |
| return 0; |
| |
| err: |
| se->items = i; |
| soc_tplg_denum_remove_texts(se); |
| return ret; |
| } |
| |
| static inline void soc_tplg_denum_remove_texts(struct soc_enum *se) |
| { |
| int i = se->items; |
| |
| for (--i; i >= 0; i--) |
| kfree(se->dobj.control.dtexts[i]); |
| kfree(se->dobj.control.dtexts); |
| } |
| |
| static int soc_tplg_denum_create_values(struct soc_enum *se, |
| struct snd_soc_tplg_enum_control *ec) |
| { |
| int i; |
| |
| if (le32_to_cpu(ec->items) > sizeof(*ec->values)) |
| return -EINVAL; |
| |
| se->dobj.control.dvalues = kzalloc(le32_to_cpu(ec->items) * |
| sizeof(u32), |
| GFP_KERNEL); |
| if (!se->dobj.control.dvalues) |
| return -ENOMEM; |
| |
| /* convert from little-endian */ |
| for (i = 0; i < le32_to_cpu(ec->items); i++) { |
| se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); |
| } |
| |
| return 0; |
| } |
| |
| static inline void soc_tplg_denum_remove_values(struct soc_enum *se) |
| { |
| kfree(se->dobj.control.dvalues); |
| } |
| |
| 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; |
| |
| /* 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; |
| |
| tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
| le32_to_cpu(ec->priv.size)); |
| |
| 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 = le32_to_cpu(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->mask = le32_to_cpu(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 (le32_to_cpu(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 += le32_to_cpu(hdr->size) + |
| le32_to_cpu(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 < le32_to_cpu(hdr->count); i++) { |
| |
| control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; |
| |
| if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) { |
| dev_err(tplg->dev, "ASoC: invalid control size\n"); |
| return -EINVAL; |
| } |
| |
| switch (le32_to_cpu(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, |
| le32_to_cpu(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, |
| le32_to_cpu(hdr->payload_size)); |
| break; |
| case SND_SOC_TPLG_CTL_BYTES: |
| soc_tplg_dbytes_create(tplg, 1, |
| le32_to_cpu(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_tplg_dapm_graph_elem *elem; |
| struct snd_soc_dapm_route **routes; |
| int count, i, j; |
| int ret = 0; |
| |
| count = le32_to_cpu(hdr->count); |
| |
| if (tplg->pass != SOC_TPLG_PASS_GRAPH) { |
| tplg->pos += |
| le32_to_cpu(hdr->size) + |
| le32_to_cpu(hdr->payload_size); |
| |
| return 0; |
| } |
| |
| if (soc_tplg_check_elem_count(tplg, |
| sizeof(struct snd_soc_tplg_dapm_graph_elem), |
| count, le32_to_cpu(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); |
| |
| /* allocate memory for pointer to array of dapm routes */ |
| routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *), |
| GFP_KERNEL); |
| if (!routes) |
| return -ENOMEM; |
| |
| /* |
| * allocate memory for each dapm route in the array. |
| * This needs to be done individually so that |
| * each route can be freed when it is removed in remove_route(). |
| */ |
| for (i = 0; i < count; i++) { |
| routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL); |
| if (!routes[i]) { |
| /* free previously allocated memory */ |
| for (j = 0; j < i; j++) |
| kfree(routes[j]); |
| |
| kfree(routes); |
| return -ENOMEM; |
| } |
| } |
| |
| 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) { |
| ret = -EINVAL; |
| break; |
| } |
| if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
| SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
| ret = -EINVAL; |
| break; |
| } |
| if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
| SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
| ret = -EINVAL; |
| break; |
| } |
| |
| routes[i]->source = elem->source; |
| routes[i]->sink = elem->sink; |
| |
| /* set to NULL atm for tplg users */ |
| routes[i]->connected = NULL; |
| if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) |
| routes[i]->control = NULL; |
| else |
| routes[i]->control = elem->control; |
| |
| /* add route dobj to dobj_list */ |
| routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH; |
| routes[i]->dobj.ops = tplg->ops; |
| routes[i]->dobj.index = tplg->index; |
| list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list); |
| |
| soc_tplg_add_route(tplg, routes[i]); |
| |
| /* add route, but keep going if some fail */ |
| snd_soc_dapm_add_routes(dapm, routes[i], 1); |
| } |
| |
| /* free memory allocated for all dapm routes in case of error */ |
| if (ret < 0) |
| for (i = 0; i < count ; i++) |
| kfree(routes[i]); |
| |
| /* |
| * free pointer to array of dapm routes as this is no longer needed. |
| * The memory allocated for each dapm route will be freed |
| * when it is removed in remove_route(). |
| */ |
| kfree(routes); |
| |
| return ret; |
| } |
| |
| 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; |
| |
| /* validate kcontrol */ |
| if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
| SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
| goto err_sm; |
| |
| sm = kzalloc(sizeof(*sm), GFP_KERNEL); |
| if (sm == NULL) |
| goto err_sm; |
| |
| tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + |
| le32_to_cpu(mc->priv.size)); |
| |
| dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n", |
| mc->hdr.name, i); |
| |
| kc[i].private_value = (long)sm; |
| kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL); |
| if (kc[i].name == NULL) |
| goto err_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); |
| goto err_sm; |
| } |
| |
| /* create any TLV data */ |
| soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr); |
| |
| /* 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); |
| soc_tplg_free_tlv(tplg, &kc[i]); |
| goto err_sm; |
| } |
| } |
| return kc; |
| |
| err_sm: |
| for (; i >= 0; i--) { |
| sm = (struct soc_mixer_control *)kc[i].private_value; |
| kfree(sm); |
| 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, 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; |
| |
| se = kzalloc(sizeof(*se), GFP_KERNEL); |
| if (se == NULL) |
| goto err_se; |
| |
| tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
| ec->priv.size); |
| |
| dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n", |
| ec->hdr.name); |
| |
| kc[i].private_value = (long)se; |
| kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL); |
| if (kc[i].name == NULL) |
| goto err_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 (le32_to_cpu(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; |
| } |
| } |
| |
| return kc; |
| |
| err_se: |
| for (; i >= 0; i--) { |
| /* free values and texts */ |
| se = (struct soc_enum *)kc[i].private_value; |
| |
| if (se) { |
| soc_tplg_denum_remove_values(se); |
| soc_tplg_denum_remove_texts(se); |
| } |
| |
| kfree(se); |
| kfree(kc[i].name); |
| } |
| kfree(kc); |
| |
| return NULL; |
| } |
| |
| static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create( |
| struct soc_tplg *tplg, int num_kcontrols) |
| { |
| struct snd_soc_tplg_bytes_control *be; |
| struct soc_bytes_ext *sbe; |
| struct snd_kcontrol_new *kc; |
| int i, err; |
| |
| kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL); |
| if (!kc) |
| return NULL; |
| |
| for (i = 0; i < num_kcontrols; 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; |
| |
| sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); |
| if (sbe == NULL) |
| goto err_sbe; |
| |
| tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + |
| le32_to_cpu(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].private_value = (long)sbe; |
| kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL); |
| if (kc[i].name == NULL) |
| goto err_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); |
| goto err_sbe; |
| } |
| |
| /* 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); |
| goto err_sbe; |
| } |
| } |
| |
| return kc; |
| |
| err_sbe: |
| for (; i >= 0; i--) { |
| sbe = (struct soc_bytes_ext *)kc[i].private_value; |
| kfree(sbe); |
| 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(le32_to_cpu(w->id)); |
| if ((int)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 = le32_to_cpu(w->reg); |
| template.shift = le32_to_cpu(w->shift); |
| template.mask = le32_to_cpu(w->mask); |
| template.subseq = le32_to_cpu(w->subseq); |
| template.on_val = w->invert ? 0 : 1; |
| template.off_val = w->invert ? 1 : 0; |
| template.ignore_suspend = le32_to_cpu(w->ignore_suspend); |
| template.event_flags = le16_to_cpu(w->event_flags); |
| template.dobj.index = tplg->index; |
| |
| tplg->pos += |
| (sizeof(struct snd_soc_tplg_dapm_widget) + |
| le32_to_cpu(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 (le32_to_cpu(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 = le32_to_cpu(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 = le32_to_cpu(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 = le32_to_cpu(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, |
| le32_to_cpu(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; |
| |
| kfree(template.sname); |
| kfree(template.name); |
| |
| 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, i; |
| |
| count = le32_to_cpu(hdr->count); |
| |
| 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 (le32_to_cpu(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 = le32_to_cpu(caps->channels_min); |
| stream->channels_max = le32_to_cpu(caps->channels_max); |
| stream->rates = le32_to_cpu(caps->rates); |
| stream->rate_min = le32_to_cpu(caps->rate_min); |
| stream->rate_max = le32_to_cpu(caps->rate_max); |
| stream->formats = le64_to_cpu(caps->formats); |
| stream->sig_bits = le32_to_cpu(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; |
| struct snd_soc_dai *dai; |
| struct snd_soc_dapm_context *dapm = |
| snd_soc_component_get_dapm(tplg->comp); |
| 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 = le32_to_cpu(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->playback.stream_name); |
| kfree(dai_drv->capture.stream_name); |
| kfree(dai_drv->name); |
| 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 */ |
| dai = snd_soc_register_dai(tplg->comp, dai_drv, false); |
| if (!dai) |
| return -ENOMEM; |
| |
| /* Create the DAI widgets here */ |
| ret = snd_soc_dapm_new_dai_widgets(dapm, dai); |
| if (ret != 0) { |
| dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret); |
| snd_soc_unregister_dai(dai); |
| return ret; |
| } |
| |
| return ret; |
| } |
| |
| 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; |
| struct snd_soc_dai_link_component *dlc; |
| int ret; |
| |
| /* link + cpu + codec + platform */ |
| link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL); |
| if (link == NULL) |
| return -ENOMEM; |
| |
| dlc = (struct snd_soc_dai_link_component *)(link + 1); |
| |
| link->cpus = &dlc[0]; |
| link->codecs = &dlc[1]; |
| link->platforms = &dlc[2]; |
| |
| link->num_cpus = 1; |
| link->num_codecs = 1; |
| link->num_platforms = 1; |
| |
| if (strlen(pcm->pcm_name)) { |
| link->name = kstrdup(pcm->pcm_name, GFP_KERNEL); |
| link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL); |
| } |
| link->id = le32_to_cpu(pcm->pcm_id); |
| |
| if (strlen(pcm->dai_name)) |
| link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL); |
| |
| link->codecs->name = "snd-soc-dummy"; |
| link->codecs->dai_name = "snd-soc-dummy-dai"; |
| |
| link->platforms->name = "snd-soc-dummy"; |
| |
| /* enable DPCM */ |
| link->dynamic = 1; |
| link->dpcm_playback = le32_to_cpu(pcm->playback); |
| link->dpcm_capture = le32_to_cpu(pcm->capture); |
| if (pcm->flag_mask) |
| set_link_flags(link, |
| le32_to_cpu(pcm->flag_mask), |
| le32_to_cpu(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"); |
| goto err; |
| } |
| |
| ret = snd_soc_add_dai_link(tplg->comp->card, link); |
| if (ret < 0) { |
| dev_err(tplg->comp->dev, "ASoC: adding FE link failed\n"); |
| goto err; |
| } |
| |
| 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); |
| |
| return 0; |
| err: |
| kfree(link->name); |
| kfree(link->stream_name); |
| kfree(link->cpus->dai_name); |
| kfree(link); |
| return ret; |
| } |
| |
| /* 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 = cpu_to_le32(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 (le32_to_cpu(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 = cpu_to_le32(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 < le32_to_cpu(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; |
| int size; |
| int i; |
| bool abi_match; |
| int ret; |
| |
| count = le32_to_cpu(hdr->count); |
| |
| if (tplg->pass != SOC_TPLG_PASS_PCM_DAI) |
| return 0; |
| |
| /* check the element size and count */ |
| pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
| size = le32_to_cpu(pcm->size); |
| if (size > sizeof(struct snd_soc_tplg_pcm) |
| || size < sizeof(struct snd_soc_tplg_pcm_v4)) { |
| dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n", |
| size); |
| return -EINVAL; |
| } |
| |
| if (soc_tplg_check_elem_count(tplg, |
| size, count, |
| le32_to_cpu(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; |
| size = le32_to_cpu(pcm->size); |
| |
| /* check ABI version by size, create a new version of pcm |
| * if abi not match. |
| */ |
| if (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 */ |
| ret = soc_tplg_pcm_create(tplg, _pcm); |
| if (ret < 0) { |
| if (!abi_match) |
| kfree(_pcm); |
| return ret; |
| } |
| |
| /* offset by version-specific struct size and |
| * real priv data size |
| */ |
| tplg->pos += size + le32_to_cpu(_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 < le32_to_cpu(cfg->num_hw_configs); i++) { |
| hw_config = &cfg->hw_config[i]; |
| if (hw_config->id != cfg->default_hw_config_id) |
| continue; |
| |
| link->dai_fmt = le32_to_cpu(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 (le32_to_cpu(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 = cpu_to_le32(sizeof(*dest)); |
| dest->id = src_v4->id; |
| dest->num_streams = src_v4->num_streams; |
| for (i = 0; i < le32_to_cpu(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, le32_to_cpu(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, |
| le32_to_cpu(cfg->flag_mask), |
| le32_to_cpu(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; |
| } |
| |
| /* for unloading it in snd_soc_tplg_component_remove */ |
| link->dobj.index = tplg->index; |
| link->dobj.ops = tplg->ops; |
| link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK; |
| list_add(&link->dobj.list, &tplg->comp->dobj_list); |
| |
| 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; |
| int size; |
| int i, ret; |
| bool abi_match; |
| |
| count = le32_to_cpu(hdr->count); |
| |
| if (tplg->pass != SOC_TPLG_PASS_LINK) { |
| tplg->pos += le32_to_cpu(hdr->size) + |
| le32_to_cpu(hdr->payload_size); |
| return 0; |
| }; |
| |
| /* check the element size and count */ |
| link = (struct snd_soc_tplg_link_config *)tplg->pos; |
| size = le32_to_cpu(link->size); |
| if (size > sizeof(struct snd_soc_tplg_link_config) |
| || size < sizeof(struct snd_soc_tplg_link_config_v4)) { |
| dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n", |
| size); |
| return -EINVAL; |
| } |
| |
| if (soc_tplg_check_elem_count(tplg, |
| size, count, |
| le32_to_cpu(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; |
| size = le32_to_cpu(link->size); |
| if (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 += size + le32_to_cpu(_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; |
| 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; |
| |
| memset(&dai_component, 0, sizeof(dai_component)); |
| |
| 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 (le32_to_cpu(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, |
| le32_to_cpu(d->flag_mask), |
| le32_to_cpu(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; |
| int i; |
| |
| count = le32_to_cpu(hdr->count); |
| |
| 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 (le32_to_cpu(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) + le32_to_cpu(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; |
| int size; |
| |
| *manifest = NULL; |
| |
| size = le32_to_cpu(src->size); |
| if (size != sizeof(*src_v4)) { |
| dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n", |
| size); |
| if (size) |
| return -EINVAL; |
| src->size = cpu_to_le32(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) + le32_to_cpu(src_v4->priv.size), |
| GFP_KERNEL); |
| if (!dest) |
| return -ENOMEM; |
| |
| dest->size = cpu_to_le32(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, |
| le32_to_cpu(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 (le32_to_cpu(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 (le32_to_cpu(hdr->size) != sizeof(*hdr)) { |
| dev_err(tplg->dev, |
| "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n", |
| le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg), |
| tplg->fw->size); |
| return -EINVAL; |
| } |
| |
| /* big endian firmware objects not supported atm */ |
| if (hdr->magic == SOC_TPLG_MAGIC_BIG_ENDIAN) { |
| 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 (le32_to_cpu(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 (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION || |
| le32_to_cpu(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 == le32_to_cpu(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 (le32_to_cpu(hdr->index) != tplg->req_index && |
| tplg->req_index != SND_SOC_TPLG_INDEX_ALL) |
| return 0; |
| |
| tplg->index = le32_to_cpu(hdr->index); |
| |
| switch (le32_to_cpu(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 += le32_to_cpu(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_GRAPH: |
| remove_route(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; |
| case SND_SOC_DOBJ_BACKEND_LINK: |
| /* |
| * call link_unload ops if extra |
| * deinitialization is needed. |
| */ |
| remove_backend_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); |