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- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- // Copyright(c) 2023 Intel Corporation
- /*
- * Soundwire Intel ops for LunarLake
- */
- #include <linux/acpi.h>
- #include <linux/cleanup.h>
- #include <linux/device.h>
- #include <linux/soundwire/sdw_registers.h>
- #include <linux/soundwire/sdw.h>
- #include <linux/soundwire/sdw_intel.h>
- #include <sound/hdaudio.h>
- #include <sound/hda-mlink.h>
- #include <sound/hda_register.h>
- #include <sound/pcm_params.h>
- #include "cadence_master.h"
- #include "bus.h"
- #include "intel.h"
- /*
- * shim vendor-specific (vs) ops
- */
- static void intel_shim_vs_init(struct sdw_intel *sdw)
- {
- void __iomem *shim_vs = sdw->link_res->shim_vs;
- struct sdw_bus *bus = &sdw->cdns.bus;
- struct sdw_intel_prop *intel_prop;
- u16 clde;
- u16 doaise2;
- u16 dodse2;
- u16 clds;
- u16 clss;
- u16 doaise;
- u16 doais;
- u16 dodse;
- u16 dods;
- u16 act;
- intel_prop = bus->vendor_specific_prop;
- clde = intel_prop->clde;
- doaise2 = intel_prop->doaise2;
- dodse2 = intel_prop->dodse2;
- clds = intel_prop->clds;
- clss = intel_prop->clss;
- doaise = intel_prop->doaise;
- doais = intel_prop->doais;
- dodse = intel_prop->dodse;
- dods = intel_prop->dods;
- act = intel_readw(shim_vs, SDW_SHIM2_INTEL_VS_ACTMCTL);
- u16p_replace_bits(&act, clde, SDW_SHIM3_INTEL_VS_ACTMCTL_CLDE);
- u16p_replace_bits(&act, doaise2, SDW_SHIM3_INTEL_VS_ACTMCTL_DOAISE2);
- u16p_replace_bits(&act, dodse2, SDW_SHIM3_INTEL_VS_ACTMCTL_DODSE2);
- u16p_replace_bits(&act, clds, SDW_SHIM3_INTEL_VS_ACTMCTL_CLDS);
- u16p_replace_bits(&act, clss, SDW_SHIM3_INTEL_VS_ACTMCTL_CLSS);
- u16p_replace_bits(&act, doaise, SDW_SHIM2_INTEL_VS_ACTMCTL_DOAISE);
- u16p_replace_bits(&act, doais, SDW_SHIM2_INTEL_VS_ACTMCTL_DOAIS);
- u16p_replace_bits(&act, dodse, SDW_SHIM2_INTEL_VS_ACTMCTL_DODSE);
- u16p_replace_bits(&act, dods, SDW_SHIM2_INTEL_VS_ACTMCTL_DODS);
- act |= SDW_SHIM2_INTEL_VS_ACTMCTL_DACTQE;
- intel_writew(shim_vs, SDW_SHIM2_INTEL_VS_ACTMCTL, act);
- usleep_range(10, 15);
- }
- static void intel_shim_vs_set_clock_source(struct sdw_intel *sdw, u32 source)
- {
- void __iomem *shim_vs = sdw->link_res->shim_vs;
- u32 val;
- val = intel_readl(shim_vs, SDW_SHIM2_INTEL_VS_LVSCTL);
- u32p_replace_bits(&val, source, SDW_SHIM2_INTEL_VS_LVSCTL_MLCS);
- intel_writel(shim_vs, SDW_SHIM2_INTEL_VS_LVSCTL, val);
- dev_dbg(sdw->cdns.dev, "clock source %d LVSCTL %#x\n", source, val);
- }
- static int intel_shim_check_wake(struct sdw_intel *sdw)
- {
- /*
- * We follow the HDaudio example and resume unconditionally
- * without checking the WAKESTS bit for that specific link
- */
- return 1;
- }
- static void intel_shim_wake(struct sdw_intel *sdw, bool wake_enable)
- {
- u16 lsdiid = 0;
- u16 wake_en;
- u16 wake_sts;
- int ret;
- mutex_lock(sdw->link_res->shim_lock);
- ret = hdac_bus_eml_sdw_get_lsdiid_unlocked(sdw->link_res->hbus, sdw->instance, &lsdiid);
- if (ret < 0)
- goto unlock;
- wake_en = snd_hdac_chip_readw(sdw->link_res->hbus, WAKEEN);
- if (wake_enable) {
- /* Enable the wakeup */
- wake_en |= lsdiid;
- snd_hdac_chip_writew(sdw->link_res->hbus, WAKEEN, wake_en);
- } else {
- /* Disable the wake up interrupt */
- wake_en &= ~lsdiid;
- snd_hdac_chip_writew(sdw->link_res->hbus, WAKEEN, wake_en);
- /* Clear wake status (W1C) */
- wake_sts = snd_hdac_chip_readw(sdw->link_res->hbus, STATESTS);
- wake_sts |= lsdiid;
- snd_hdac_chip_writew(sdw->link_res->hbus, STATESTS, wake_sts);
- }
- unlock:
- mutex_unlock(sdw->link_res->shim_lock);
- }
- static int intel_link_power_up(struct sdw_intel *sdw)
- {
- struct sdw_bus *bus = &sdw->cdns.bus;
- struct sdw_master_prop *prop = &bus->prop;
- u32 *shim_mask = sdw->link_res->shim_mask;
- unsigned int link_id = sdw->instance;
- u32 clock_source;
- u32 syncprd;
- int ret;
- if (prop->mclk_freq % 6000000) {
- if (prop->mclk_freq % 2400000) {
- syncprd = SDW_SHIM_SYNC_SYNCPRD_VAL_24_576;
- clock_source = SDW_SHIM2_MLCS_CARDINAL_CLK;
- } else {
- syncprd = SDW_SHIM_SYNC_SYNCPRD_VAL_38_4;
- clock_source = SDW_SHIM2_MLCS_XTAL_CLK;
- }
- } else {
- syncprd = SDW_SHIM_SYNC_SYNCPRD_VAL_96;
- clock_source = SDW_SHIM2_MLCS_AUDIO_PLL_CLK;
- }
- mutex_lock(sdw->link_res->shim_lock);
- ret = hdac_bus_eml_sdw_power_up_unlocked(sdw->link_res->hbus, link_id);
- if (ret < 0) {
- dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_power_up failed: %d\n",
- __func__, ret);
- goto out;
- }
- intel_shim_vs_set_clock_source(sdw, clock_source);
- if (!*shim_mask) {
- /* we first need to program the SyncPRD/CPU registers */
- dev_dbg(sdw->cdns.dev, "first link up, programming SYNCPRD\n");
- ret = hdac_bus_eml_sdw_set_syncprd_unlocked(sdw->link_res->hbus, syncprd);
- if (ret < 0) {
- dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_set_syncprd failed: %d\n",
- __func__, ret);
- goto out;
- }
- /* SYNCPU will change once link is active */
- ret = hdac_bus_eml_sdw_wait_syncpu_unlocked(sdw->link_res->hbus);
- if (ret < 0) {
- dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_wait_syncpu failed: %d\n",
- __func__, ret);
- goto out;
- }
- }
- *shim_mask |= BIT(link_id);
- sdw->cdns.link_up = true;
- intel_shim_vs_init(sdw);
- out:
- mutex_unlock(sdw->link_res->shim_lock);
- return ret;
- }
- static int intel_link_power_down(struct sdw_intel *sdw)
- {
- u32 *shim_mask = sdw->link_res->shim_mask;
- unsigned int link_id = sdw->instance;
- int ret;
- mutex_lock(sdw->link_res->shim_lock);
- sdw->cdns.link_up = false;
- *shim_mask &= ~BIT(link_id);
- ret = hdac_bus_eml_sdw_power_down_unlocked(sdw->link_res->hbus, link_id);
- if (ret < 0) {
- dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_power_down failed: %d\n",
- __func__, ret);
- /*
- * we leave the sdw->cdns.link_up flag as false since we've disabled
- * the link at this point and cannot handle interrupts any longer.
- */
- }
- mutex_unlock(sdw->link_res->shim_lock);
- return ret;
- }
- static void intel_sync_arm(struct sdw_intel *sdw)
- {
- unsigned int link_id = sdw->instance;
- mutex_lock(sdw->link_res->shim_lock);
- hdac_bus_eml_sdw_sync_arm_unlocked(sdw->link_res->hbus, link_id);
- mutex_unlock(sdw->link_res->shim_lock);
- }
- static int intel_sync_go_unlocked(struct sdw_intel *sdw)
- {
- int ret;
- ret = hdac_bus_eml_sdw_sync_go_unlocked(sdw->link_res->hbus);
- if (ret < 0)
- dev_err(sdw->cdns.dev, "%s: SyncGO clear failed: %d\n", __func__, ret);
- return ret;
- }
- static int intel_sync_go(struct sdw_intel *sdw)
- {
- int ret;
- mutex_lock(sdw->link_res->shim_lock);
- ret = intel_sync_go_unlocked(sdw);
- mutex_unlock(sdw->link_res->shim_lock);
- return ret;
- }
- static bool intel_check_cmdsync_unlocked(struct sdw_intel *sdw)
- {
- return hdac_bus_eml_sdw_check_cmdsync_unlocked(sdw->link_res->hbus);
- }
- /* DAI callbacks */
- static int intel_params_stream(struct sdw_intel *sdw,
- struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai,
- struct snd_pcm_hw_params *hw_params,
- int link_id, int alh_stream_id)
- {
- struct sdw_intel_link_res *res = sdw->link_res;
- struct sdw_intel_stream_params_data params_data;
- params_data.substream = substream;
- params_data.dai = dai;
- params_data.hw_params = hw_params;
- params_data.link_id = link_id;
- params_data.alh_stream_id = alh_stream_id;
- if (res->ops && res->ops->params_stream && res->dev)
- return res->ops->params_stream(res->dev,
- ¶ms_data);
- return -EIO;
- }
- static int intel_free_stream(struct sdw_intel *sdw,
- struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai,
- int link_id)
- {
- struct sdw_intel_link_res *res = sdw->link_res;
- struct sdw_intel_stream_free_data free_data;
- free_data.substream = substream;
- free_data.dai = dai;
- free_data.link_id = link_id;
- if (res->ops && res->ops->free_stream && res->dev)
- return res->ops->free_stream(res->dev,
- &free_data);
- return 0;
- }
- /*
- * DAI operations
- */
- static int intel_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
- {
- struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
- struct sdw_intel *sdw = cdns_to_intel(cdns);
- struct sdw_cdns_dai_runtime *dai_runtime;
- struct sdw_cdns_pdi *pdi;
- struct sdw_stream_config sconfig;
- int ch, dir;
- int ret;
- dai_runtime = cdns->dai_runtime_array[dai->id];
- if (!dai_runtime)
- return -EIO;
- ch = params_channels(params);
- if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
- dir = SDW_DATA_DIR_RX;
- else
- dir = SDW_DATA_DIR_TX;
- pdi = sdw_cdns_alloc_pdi(cdns, &cdns->pcm, ch, dir, dai->id);
- if (!pdi)
- return -EINVAL;
- /* use same definitions for alh_id as previous generations */
- pdi->intel_alh_id = (sdw->instance * 16) + pdi->num + 3;
- if (pdi->num >= 2)
- pdi->intel_alh_id += 2;
- /* the SHIM will be configured in the callback functions */
- sdw_cdns_config_stream(cdns, ch, dir, pdi);
- /* store pdi and state, may be needed in prepare step */
- dai_runtime->paused = false;
- dai_runtime->suspended = false;
- dai_runtime->pdi = pdi;
- /* Inform DSP about PDI stream number */
- ret = intel_params_stream(sdw, substream, dai, params,
- sdw->instance,
- pdi->intel_alh_id);
- if (ret)
- return ret;
- sconfig.direction = dir;
- sconfig.ch_count = ch;
- sconfig.frame_rate = params_rate(params);
- sconfig.type = dai_runtime->stream_type;
- sconfig.bps = snd_pcm_format_width(params_format(params));
- /* Port configuration */
- struct sdw_port_config *pconfig __free(kfree) = kzalloc(sizeof(*pconfig),
- GFP_KERNEL);
- if (!pconfig)
- return -ENOMEM;
- pconfig->num = pdi->num;
- pconfig->ch_mask = (1 << ch) - 1;
- ret = sdw_stream_add_master(&cdns->bus, &sconfig,
- pconfig, 1, dai_runtime->stream);
- if (ret)
- dev_err(cdns->dev, "add master to stream failed:%d\n", ret);
- return ret;
- }
- static int intel_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
- {
- struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
- struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
- struct sdw_intel *sdw = cdns_to_intel(cdns);
- struct sdw_cdns_dai_runtime *dai_runtime;
- struct snd_pcm_hw_params *hw_params;
- int ch, dir;
- dai_runtime = cdns->dai_runtime_array[dai->id];
- if (!dai_runtime) {
- dev_err(dai->dev, "failed to get dai runtime in %s\n",
- __func__);
- return -EIO;
- }
- hw_params = &rtd->dpcm[substream->stream].hw_params;
- if (dai_runtime->suspended) {
- dai_runtime->suspended = false;
- /*
- * .prepare() is called after system resume, where we
- * need to reinitialize the SHIM/ALH/Cadence IP.
- * .prepare() is also called to deal with underflows,
- * but in those cases we cannot touch ALH/SHIM
- * registers
- */
- /* configure stream */
- ch = params_channels(hw_params);
- if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
- dir = SDW_DATA_DIR_RX;
- else
- dir = SDW_DATA_DIR_TX;
- /* the SHIM will be configured in the callback functions */
- sdw_cdns_config_stream(cdns, ch, dir, dai_runtime->pdi);
- }
- /* Inform DSP about PDI stream number */
- return intel_params_stream(sdw, substream, dai, hw_params, sdw->instance,
- dai_runtime->pdi->intel_alh_id);
- }
- static int
- intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
- {
- struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
- struct sdw_intel *sdw = cdns_to_intel(cdns);
- struct sdw_cdns_dai_runtime *dai_runtime;
- int ret;
- dai_runtime = cdns->dai_runtime_array[dai->id];
- if (!dai_runtime)
- return -EIO;
- /*
- * The sdw stream state will transition to RELEASED when stream->
- * master_list is empty. So the stream state will transition to
- * DEPREPARED for the first cpu-dai and to RELEASED for the last
- * cpu-dai.
- */
- ret = sdw_stream_remove_master(&cdns->bus, dai_runtime->stream);
- if (ret < 0) {
- dev_err(dai->dev, "remove master from stream %s failed: %d\n",
- dai_runtime->stream->name, ret);
- return ret;
- }
- ret = intel_free_stream(sdw, substream, dai, sdw->instance);
- if (ret < 0) {
- dev_err(dai->dev, "intel_free_stream: failed %d\n", ret);
- return ret;
- }
- dai_runtime->pdi = NULL;
- return 0;
- }
- static int intel_pcm_set_sdw_stream(struct snd_soc_dai *dai,
- void *stream, int direction)
- {
- return cdns_set_sdw_stream(dai, stream, direction);
- }
- static void *intel_get_sdw_stream(struct snd_soc_dai *dai,
- int direction)
- {
- struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
- struct sdw_cdns_dai_runtime *dai_runtime;
- dai_runtime = cdns->dai_runtime_array[dai->id];
- if (!dai_runtime)
- return ERR_PTR(-EINVAL);
- return dai_runtime->stream;
- }
- static int intel_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
- {
- struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
- struct sdw_intel *sdw = cdns_to_intel(cdns);
- struct sdw_intel_link_res *res = sdw->link_res;
- struct sdw_cdns_dai_runtime *dai_runtime;
- int ret = 0;
- /*
- * The .trigger callback is used to program HDaudio DMA and send required IPC to audio
- * firmware.
- */
- if (res->ops && res->ops->trigger) {
- ret = res->ops->trigger(substream, cmd, dai);
- if (ret < 0)
- return ret;
- }
- dai_runtime = cdns->dai_runtime_array[dai->id];
- if (!dai_runtime) {
- dev_err(dai->dev, "failed to get dai runtime in %s\n",
- __func__);
- return -EIO;
- }
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_SUSPEND:
- /*
- * The .prepare callback is used to deal with xruns and resume operations.
- * In the case of xruns, the DMAs and SHIM registers cannot be touched,
- * but for resume operations the DMAs and SHIM registers need to be initialized.
- * the .trigger callback is used to track the suspend case only.
- */
- dai_runtime->suspended = true;
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- dai_runtime->paused = true;
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- dai_runtime->paused = false;
- break;
- default:
- break;
- }
- return ret;
- }
- static const struct snd_soc_dai_ops intel_pcm_dai_ops = {
- .hw_params = intel_hw_params,
- .prepare = intel_prepare,
- .hw_free = intel_hw_free,
- .trigger = intel_trigger,
- .set_stream = intel_pcm_set_sdw_stream,
- .get_stream = intel_get_sdw_stream,
- };
- static const struct snd_soc_component_driver dai_component = {
- .name = "soundwire",
- };
- /*
- * PDI routines
- */
- static void intel_pdi_init(struct sdw_intel *sdw,
- struct sdw_cdns_stream_config *config)
- {
- void __iomem *shim = sdw->link_res->shim;
- int pcm_cap;
- /* PCM Stream Capability */
- pcm_cap = intel_readw(shim, SDW_SHIM2_PCMSCAP);
- config->pcm_bd = FIELD_GET(SDW_SHIM2_PCMSCAP_BSS, pcm_cap);
- config->pcm_in = FIELD_GET(SDW_SHIM2_PCMSCAP_ISS, pcm_cap);
- config->pcm_out = FIELD_GET(SDW_SHIM2_PCMSCAP_ISS, pcm_cap);
- dev_dbg(sdw->cdns.dev, "PCM cap bd:%d in:%d out:%d\n",
- config->pcm_bd, config->pcm_in, config->pcm_out);
- }
- static int
- intel_pdi_get_ch_cap(struct sdw_intel *sdw, unsigned int pdi_num)
- {
- void __iomem *shim = sdw->link_res->shim;
- /* zero based values for channel count in register */
- return intel_readw(shim, SDW_SHIM2_PCMSYCHC(pdi_num)) + 1;
- }
- static void intel_pdi_get_ch_update(struct sdw_intel *sdw,
- struct sdw_cdns_pdi *pdi,
- unsigned int num_pdi,
- unsigned int *num_ch)
- {
- int ch_count = 0;
- int i;
- for (i = 0; i < num_pdi; i++) {
- pdi->ch_count = intel_pdi_get_ch_cap(sdw, pdi->num);
- ch_count += pdi->ch_count;
- pdi++;
- }
- *num_ch = ch_count;
- }
- static void intel_pdi_stream_ch_update(struct sdw_intel *sdw,
- struct sdw_cdns_streams *stream)
- {
- intel_pdi_get_ch_update(sdw, stream->bd, stream->num_bd,
- &stream->num_ch_bd);
- intel_pdi_get_ch_update(sdw, stream->in, stream->num_in,
- &stream->num_ch_in);
- intel_pdi_get_ch_update(sdw, stream->out, stream->num_out,
- &stream->num_ch_out);
- }
- static int intel_create_dai(struct sdw_cdns *cdns,
- struct snd_soc_dai_driver *dais,
- enum intel_pdi_type type,
- u32 num, u32 off, u32 max_ch)
- {
- int i;
- if (!num)
- return 0;
- for (i = off; i < (off + num); i++) {
- dais[i].name = devm_kasprintf(cdns->dev, GFP_KERNEL,
- "SDW%d Pin%d",
- cdns->instance, i);
- if (!dais[i].name)
- return -ENOMEM;
- if (type == INTEL_PDI_BD || type == INTEL_PDI_OUT) {
- dais[i].playback.channels_min = 1;
- dais[i].playback.channels_max = max_ch;
- }
- if (type == INTEL_PDI_BD || type == INTEL_PDI_IN) {
- dais[i].capture.channels_min = 1;
- dais[i].capture.channels_max = max_ch;
- }
- dais[i].ops = &intel_pcm_dai_ops;
- }
- return 0;
- }
- static int intel_register_dai(struct sdw_intel *sdw)
- {
- struct sdw_cdns_dai_runtime **dai_runtime_array;
- struct sdw_cdns_stream_config config;
- struct sdw_cdns *cdns = &sdw->cdns;
- struct sdw_cdns_streams *stream;
- struct snd_soc_dai_driver *dais;
- int num_dai;
- int ret;
- int off = 0;
- /* Read the PDI config and initialize cadence PDI */
- intel_pdi_init(sdw, &config);
- ret = sdw_cdns_pdi_init(cdns, config);
- if (ret)
- return ret;
- intel_pdi_stream_ch_update(sdw, &sdw->cdns.pcm);
- /* DAIs are created based on total number of PDIs supported */
- num_dai = cdns->pcm.num_pdi;
- dai_runtime_array = devm_kcalloc(cdns->dev, num_dai,
- sizeof(struct sdw_cdns_dai_runtime *),
- GFP_KERNEL);
- if (!dai_runtime_array)
- return -ENOMEM;
- cdns->dai_runtime_array = dai_runtime_array;
- dais = devm_kcalloc(cdns->dev, num_dai, sizeof(*dais), GFP_KERNEL);
- if (!dais)
- return -ENOMEM;
- /* Create PCM DAIs */
- stream = &cdns->pcm;
- ret = intel_create_dai(cdns, dais, INTEL_PDI_IN, cdns->pcm.num_in,
- off, stream->num_ch_in);
- if (ret)
- return ret;
- off += cdns->pcm.num_in;
- ret = intel_create_dai(cdns, dais, INTEL_PDI_OUT, cdns->pcm.num_out,
- off, stream->num_ch_out);
- if (ret)
- return ret;
- off += cdns->pcm.num_out;
- ret = intel_create_dai(cdns, dais, INTEL_PDI_BD, cdns->pcm.num_bd,
- off, stream->num_ch_bd);
- if (ret)
- return ret;
- return devm_snd_soc_register_component(cdns->dev, &dai_component,
- dais, num_dai);
- }
- static void intel_program_sdi(struct sdw_intel *sdw, int dev_num)
- {
- int ret;
- ret = hdac_bus_eml_sdw_set_lsdiid(sdw->link_res->hbus, sdw->instance, dev_num);
- if (ret < 0)
- dev_err(sdw->cdns.dev, "%s: could not set lsdiid for link %d %d\n",
- __func__, sdw->instance, dev_num);
- }
- static int intel_get_link_count(struct sdw_intel *sdw)
- {
- int ret;
- ret = hdac_bus_eml_get_count(sdw->link_res->hbus, true, AZX_REG_ML_LEPTR_ID_SDW);
- if (!ret) {
- dev_err(sdw->cdns.dev, "%s: could not retrieve link count\n", __func__);
- return -ENODEV;
- }
- if (ret > SDW_INTEL_MAX_LINKS) {
- dev_err(sdw->cdns.dev, "%s: link count %d exceed max %d\n", __func__, ret, SDW_INTEL_MAX_LINKS);
- return -EINVAL;
- }
- return ret;
- }
- const struct sdw_intel_hw_ops sdw_intel_lnl_hw_ops = {
- .debugfs_init = intel_ace2x_debugfs_init,
- .debugfs_exit = intel_ace2x_debugfs_exit,
- .get_link_count = intel_get_link_count,
- .register_dai = intel_register_dai,
- .check_clock_stop = intel_check_clock_stop,
- .start_bus = intel_start_bus,
- .start_bus_after_reset = intel_start_bus_after_reset,
- .start_bus_after_clock_stop = intel_start_bus_after_clock_stop,
- .stop_bus = intel_stop_bus,
- .link_power_up = intel_link_power_up,
- .link_power_down = intel_link_power_down,
- .shim_check_wake = intel_shim_check_wake,
- .shim_wake = intel_shim_wake,
- .pre_bank_switch = intel_pre_bank_switch,
- .post_bank_switch = intel_post_bank_switch,
- .sync_arm = intel_sync_arm,
- .sync_go_unlocked = intel_sync_go_unlocked,
- .sync_go = intel_sync_go,
- .sync_check_cmdsync_unlocked = intel_check_cmdsync_unlocked,
- .program_sdi = intel_program_sdi,
- };
- EXPORT_SYMBOL_NS(sdw_intel_lnl_hw_ops, SOUNDWIRE_INTEL);
- MODULE_IMPORT_NS(SND_SOC_SOF_HDA_MLINK);
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