| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283128412851286128712881289129012911292129312941295129612971298129913001301130213031304130513061307130813091310131113121313131413151316131713181319132013211322132313241325132613271328132913301331133213331334133513361337133813391340134113421343134413451346134713481349135013511352135313541355135613571358135913601361136213631364136513661367136813691370137113721373137413751376137713781379138013811382138313841385138613871388138913901391139213931394139513961397139813991400140114021403140414051406140714081409141014111412141314141415141614171418141914201421142214231424142514261427142814291430143114321433143414351436143714381439144014411442144314441445144614471448144914501451145214531454145514561457145814591460146114621463146414651466146714681469147014711472147314741475147614771478147914801481148214831484148514861487148814891490149114921493149414951496149714981499150015011502150315041505150615071508150915101511151215131514151515161517151815191520152115221523152415251526152715281529153015311532153315341535153615371538153915401541154215431544154515461547154815491550155115521553155415551556155715581559156015611562156315641565156615671568156915701571157215731574157515761577157815791580158115821583158415851586158715881589159015911592159315941595159615971598159916001601160216031604160516061607160816091610161116121613161416151616161716181619162016211622162316241625162616271628162916301631 |
- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- //
- // This file is provided under a dual BSD/GPLv2 license. When using or
- // redistributing this file, you may do so under either license.
- //
- // Copyright(c) 2018 Intel Corporation
- //
- // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
- // Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
- // Rander Wang <rander.wang@intel.com>
- // Keyon Jie <yang.jie@linux.intel.com>
- //
- /*
- * Hardware interface for generic Intel audio DSP HDA IP
- */
- #include <linux/module.h>
- #include <sound/hdaudio_ext.h>
- #include <sound/hda_register.h>
- #include <sound/hda-mlink.h>
- #include <trace/events/sof_intel.h>
- #include <sound/sof/xtensa.h>
- #include "../sof-audio.h"
- #include "../ops.h"
- #include "hda.h"
- #include "mtl.h"
- #include "hda-ipc.h"
- #define EXCEPT_MAX_HDR_SIZE 0x400
- #define HDA_EXT_ROM_STATUS_SIZE 8
- struct hda_dsp_msg_code {
- u32 code;
- const char *text;
- };
- static bool hda_enable_trace_D0I3_S0;
- #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
- module_param_named(enable_trace_D0I3_S0, hda_enable_trace_D0I3_S0, bool, 0444);
- MODULE_PARM_DESC(enable_trace_D0I3_S0,
- "SOF HDA enable trace when the DSP is in D0I3 in S0");
- #endif
- static void hda_get_interfaces(struct snd_sof_dev *sdev, u32 *interface_mask)
- {
- const struct sof_intel_dsp_desc *chip;
- chip = get_chip_info(sdev->pdata);
- switch (chip->hw_ip_version) {
- case SOF_INTEL_TANGIER:
- case SOF_INTEL_BAYTRAIL:
- case SOF_INTEL_BROADWELL:
- interface_mask[SOF_DAI_DSP_ACCESS] = BIT(SOF_DAI_INTEL_SSP);
- break;
- case SOF_INTEL_CAVS_1_5:
- case SOF_INTEL_CAVS_1_5_PLUS:
- interface_mask[SOF_DAI_DSP_ACCESS] =
- BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) | BIT(SOF_DAI_INTEL_HDA);
- interface_mask[SOF_DAI_HOST_ACCESS] = BIT(SOF_DAI_INTEL_HDA);
- break;
- case SOF_INTEL_CAVS_1_8:
- case SOF_INTEL_CAVS_2_0:
- case SOF_INTEL_CAVS_2_5:
- case SOF_INTEL_ACE_1_0:
- interface_mask[SOF_DAI_DSP_ACCESS] =
- BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
- BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
- interface_mask[SOF_DAI_HOST_ACCESS] = BIT(SOF_DAI_INTEL_HDA);
- break;
- case SOF_INTEL_ACE_2_0:
- case SOF_INTEL_ACE_3_0:
- interface_mask[SOF_DAI_DSP_ACCESS] =
- BIT(SOF_DAI_INTEL_SSP) | BIT(SOF_DAI_INTEL_DMIC) |
- BIT(SOF_DAI_INTEL_HDA) | BIT(SOF_DAI_INTEL_ALH);
- /* all interfaces accessible without DSP */
- interface_mask[SOF_DAI_HOST_ACCESS] =
- interface_mask[SOF_DAI_DSP_ACCESS];
- break;
- default:
- break;
- }
- }
- u32 hda_get_interface_mask(struct snd_sof_dev *sdev)
- {
- u32 interface_mask[SOF_DAI_ACCESS_NUM] = { 0 };
- hda_get_interfaces(sdev, interface_mask);
- return interface_mask[sdev->dspless_mode_selected];
- }
- EXPORT_SYMBOL_NS(hda_get_interface_mask, SND_SOC_SOF_INTEL_HDA_COMMON);
- bool hda_is_chain_dma_supported(struct snd_sof_dev *sdev, u32 dai_type)
- {
- u32 interface_mask[SOF_DAI_ACCESS_NUM] = { 0 };
- const struct sof_intel_dsp_desc *chip;
- if (sdev->dspless_mode_selected)
- return false;
- hda_get_interfaces(sdev, interface_mask);
- if (!(interface_mask[SOF_DAI_DSP_ACCESS] & BIT(dai_type)))
- return false;
- if (dai_type == SOF_DAI_INTEL_HDA)
- return true;
- switch (dai_type) {
- case SOF_DAI_INTEL_SSP:
- case SOF_DAI_INTEL_DMIC:
- case SOF_DAI_INTEL_ALH:
- chip = get_chip_info(sdev->pdata);
- if (chip->hw_ip_version < SOF_INTEL_ACE_2_0)
- return false;
- return true;
- default:
- return false;
- }
- }
- EXPORT_SYMBOL_NS(hda_is_chain_dma_supported, SND_SOC_SOF_INTEL_HDA_COMMON);
- /*
- * DSP Core control.
- */
- static int hda_dsp_core_reset_enter(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- u32 adspcs;
- u32 reset;
- int ret;
- /* set reset bits for cores */
- reset = HDA_DSP_ADSPCS_CRST_MASK(core_mask);
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS,
- reset, reset);
- /* poll with timeout to check if operation successful */
- ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS, adspcs,
- ((adspcs & reset) == reset),
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_RESET_TIMEOUT_US);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n",
- __func__);
- return ret;
- }
- /* has core entered reset ? */
- adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS);
- if ((adspcs & HDA_DSP_ADSPCS_CRST_MASK(core_mask)) !=
- HDA_DSP_ADSPCS_CRST_MASK(core_mask)) {
- dev_err(sdev->dev,
- "error: reset enter failed: core_mask %x adspcs 0x%x\n",
- core_mask, adspcs);
- ret = -EIO;
- }
- return ret;
- }
- static int hda_dsp_core_reset_leave(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- unsigned int crst;
- u32 adspcs;
- int ret;
- /* clear reset bits for cores */
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS,
- HDA_DSP_ADSPCS_CRST_MASK(core_mask),
- 0);
- /* poll with timeout to check if operation successful */
- crst = HDA_DSP_ADSPCS_CRST_MASK(core_mask);
- ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS, adspcs,
- !(adspcs & crst),
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_RESET_TIMEOUT_US);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n",
- __func__);
- return ret;
- }
- /* has core left reset ? */
- adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS);
- if ((adspcs & HDA_DSP_ADSPCS_CRST_MASK(core_mask)) != 0) {
- dev_err(sdev->dev,
- "error: reset leave failed: core_mask %x adspcs 0x%x\n",
- core_mask, adspcs);
- ret = -EIO;
- }
- return ret;
- }
- int hda_dsp_core_stall_reset(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- /* stall core */
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS,
- HDA_DSP_ADSPCS_CSTALL_MASK(core_mask),
- HDA_DSP_ADSPCS_CSTALL_MASK(core_mask));
- /* set reset state */
- return hda_dsp_core_reset_enter(sdev, core_mask);
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_stall_reset, SND_SOC_SOF_INTEL_HDA_COMMON);
- bool hda_dsp_core_is_enabled(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- int val;
- bool is_enable;
- val = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS);
- #define MASK_IS_EQUAL(v, m, field) ({ \
- u32 _m = field(m); \
- ((v) & _m) == _m; \
- })
- is_enable = MASK_IS_EQUAL(val, core_mask, HDA_DSP_ADSPCS_CPA_MASK) &&
- MASK_IS_EQUAL(val, core_mask, HDA_DSP_ADSPCS_SPA_MASK) &&
- !(val & HDA_DSP_ADSPCS_CRST_MASK(core_mask)) &&
- !(val & HDA_DSP_ADSPCS_CSTALL_MASK(core_mask));
- #undef MASK_IS_EQUAL
- dev_dbg(sdev->dev, "DSP core(s) enabled? %d : core_mask %x\n",
- is_enable, core_mask);
- return is_enable;
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_is_enabled, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_core_run(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- int ret;
- /* leave reset state */
- ret = hda_dsp_core_reset_leave(sdev, core_mask);
- if (ret < 0)
- return ret;
- /* run core */
- dev_dbg(sdev->dev, "unstall/run core: core_mask = %x\n", core_mask);
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS,
- HDA_DSP_ADSPCS_CSTALL_MASK(core_mask),
- 0);
- /* is core now running ? */
- if (!hda_dsp_core_is_enabled(sdev, core_mask)) {
- hda_dsp_core_stall_reset(sdev, core_mask);
- dev_err(sdev->dev, "error: DSP start core failed: core_mask %x\n",
- core_mask);
- ret = -EIO;
- }
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_run, SND_SOC_SOF_INTEL_HDA_COMMON);
- /*
- * Power Management.
- */
- int hda_dsp_core_power_up(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- unsigned int cpa;
- u32 adspcs;
- int ret;
- /* restrict core_mask to host managed cores mask */
- core_mask &= chip->host_managed_cores_mask;
- /* return if core_mask is not valid */
- if (!core_mask)
- return 0;
- /* update bits */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS,
- HDA_DSP_ADSPCS_SPA_MASK(core_mask),
- HDA_DSP_ADSPCS_SPA_MASK(core_mask));
- /* poll with timeout to check if operation successful */
- cpa = HDA_DSP_ADSPCS_CPA_MASK(core_mask);
- ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS, adspcs,
- (adspcs & cpa) == cpa,
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_RESET_TIMEOUT_US);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n",
- __func__);
- return ret;
- }
- /* did core power up ? */
- adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS);
- if ((adspcs & HDA_DSP_ADSPCS_CPA_MASK(core_mask)) !=
- HDA_DSP_ADSPCS_CPA_MASK(core_mask)) {
- dev_err(sdev->dev,
- "error: power up core failed core_mask %xadspcs 0x%x\n",
- core_mask, adspcs);
- ret = -EIO;
- }
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_power_up, SND_SOC_SOF_INTEL_HDA_COMMON);
- static int hda_dsp_core_power_down(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- u32 adspcs;
- int ret;
- /* update bits */
- snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS,
- HDA_DSP_ADSPCS_SPA_MASK(core_mask), 0);
- ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_REG_ADSPCS, adspcs,
- !(adspcs & HDA_DSP_ADSPCS_CPA_MASK(core_mask)),
- HDA_DSP_REG_POLL_INTERVAL_US,
- HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC);
- if (ret < 0)
- dev_err(sdev->dev,
- "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n",
- __func__);
- return ret;
- }
- int hda_dsp_enable_core(struct snd_sof_dev *sdev, unsigned int core_mask)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- int ret;
- /* restrict core_mask to host managed cores mask */
- core_mask &= chip->host_managed_cores_mask;
- /* return if core_mask is not valid or cores are already enabled */
- if (!core_mask || hda_dsp_core_is_enabled(sdev, core_mask))
- return 0;
- /* power up */
- ret = hda_dsp_core_power_up(sdev, core_mask);
- if (ret < 0) {
- dev_err(sdev->dev, "error: dsp core power up failed: core_mask %x\n",
- core_mask);
- return ret;
- }
- return hda_dsp_core_run(sdev, core_mask);
- }
- EXPORT_SYMBOL_NS(hda_dsp_enable_core, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_core_reset_power_down(struct snd_sof_dev *sdev,
- unsigned int core_mask)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- int ret;
- /* restrict core_mask to host managed cores mask */
- core_mask &= chip->host_managed_cores_mask;
- /* return if core_mask is not valid */
- if (!core_mask)
- return 0;
- /* place core in reset prior to power down */
- ret = hda_dsp_core_stall_reset(sdev, core_mask);
- if (ret < 0) {
- dev_err(sdev->dev, "error: dsp core reset failed: core_mask %x\n",
- core_mask);
- return ret;
- }
- /* power down core */
- ret = hda_dsp_core_power_down(sdev, core_mask);
- if (ret < 0) {
- dev_err(sdev->dev, "error: dsp core power down fail mask %x: %d\n",
- core_mask, ret);
- return ret;
- }
- /* make sure we are in OFF state */
- if (hda_dsp_core_is_enabled(sdev, core_mask)) {
- dev_err(sdev->dev, "error: dsp core disable fail mask %x: %d\n",
- core_mask, ret);
- ret = -EIO;
- }
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_reset_power_down, SND_SOC_SOF_INTEL_HDA_COMMON);
- void hda_dsp_ipc_int_enable(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- if (sdev->dspless_mode_selected)
- return;
- /* enable IPC DONE and BUSY interrupts */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
- HDA_DSP_REG_HIPCCTL_DONE | HDA_DSP_REG_HIPCCTL_BUSY,
- HDA_DSP_REG_HIPCCTL_DONE | HDA_DSP_REG_HIPCCTL_BUSY);
- /* enable IPC interrupt */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
- HDA_DSP_ADSPIC_IPC, HDA_DSP_ADSPIC_IPC);
- }
- EXPORT_SYMBOL_NS(hda_dsp_ipc_int_enable, SND_SOC_SOF_INTEL_HDA_COMMON);
- void hda_dsp_ipc_int_disable(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- if (sdev->dspless_mode_selected)
- return;
- /* disable IPC interrupt */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC,
- HDA_DSP_ADSPIC_IPC, 0);
- /* disable IPC BUSY and DONE interrupt */
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
- HDA_DSP_REG_HIPCCTL_BUSY | HDA_DSP_REG_HIPCCTL_DONE, 0);
- }
- EXPORT_SYMBOL_NS(hda_dsp_ipc_int_disable, SND_SOC_SOF_INTEL_HDA_COMMON);
- static int hda_dsp_wait_d0i3c_done(struct snd_sof_dev *sdev)
- {
- int retry = HDA_DSP_REG_POLL_RETRY_COUNT;
- struct snd_sof_pdata *pdata = sdev->pdata;
- const struct sof_intel_dsp_desc *chip;
- chip = get_chip_info(pdata);
- while (snd_sof_dsp_read8(sdev, HDA_DSP_HDA_BAR, chip->d0i3_offset) &
- SOF_HDA_VS_D0I3C_CIP) {
- if (!retry--)
- return -ETIMEDOUT;
- usleep_range(10, 15);
- }
- return 0;
- }
- static int hda_dsp_send_pm_gate_ipc(struct snd_sof_dev *sdev, u32 flags)
- {
- const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
- if (pm_ops && pm_ops->set_pm_gate)
- return pm_ops->set_pm_gate(sdev, flags);
- return 0;
- }
- static int hda_dsp_update_d0i3c_register(struct snd_sof_dev *sdev, u8 value)
- {
- struct snd_sof_pdata *pdata = sdev->pdata;
- const struct sof_intel_dsp_desc *chip;
- int ret;
- u8 reg;
- chip = get_chip_info(pdata);
- /* Write to D0I3C after Command-In-Progress bit is cleared */
- ret = hda_dsp_wait_d0i3c_done(sdev);
- if (ret < 0) {
- dev_err(sdev->dev, "CIP timeout before D0I3C update!\n");
- return ret;
- }
- /* Update D0I3C register */
- snd_sof_dsp_update8(sdev, HDA_DSP_HDA_BAR, chip->d0i3_offset,
- SOF_HDA_VS_D0I3C_I3, value);
- /*
- * The value written to the D0I3C::I3 bit may not be taken into account immediately.
- * A delay is recommended before checking if D0I3C::CIP is cleared
- */
- usleep_range(30, 40);
- /* Wait for cmd in progress to be cleared before exiting the function */
- ret = hda_dsp_wait_d0i3c_done(sdev);
- if (ret < 0) {
- dev_err(sdev->dev, "CIP timeout after D0I3C update!\n");
- return ret;
- }
- reg = snd_sof_dsp_read8(sdev, HDA_DSP_HDA_BAR, chip->d0i3_offset);
- /* Confirm d0i3 state changed with paranoia check */
- if ((reg ^ value) & SOF_HDA_VS_D0I3C_I3) {
- dev_err(sdev->dev, "failed to update D0I3C!\n");
- return -EIO;
- }
- trace_sof_intel_D0I3C_updated(sdev, reg);
- return 0;
- }
- /*
- * d0i3 streaming is enabled if all the active streams can
- * work in d0i3 state and playback is enabled
- */
- static bool hda_dsp_d0i3_streaming_applicable(struct snd_sof_dev *sdev)
- {
- struct snd_pcm_substream *substream;
- struct snd_sof_pcm *spcm;
- bool playback_active = false;
- int dir;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- for_each_pcm_streams(dir) {
- substream = spcm->stream[dir].substream;
- if (!substream || !substream->runtime)
- continue;
- if (!spcm->stream[dir].d0i3_compatible)
- return false;
- if (dir == SNDRV_PCM_STREAM_PLAYBACK)
- playback_active = true;
- }
- }
- return playback_active;
- }
- static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev,
- const struct sof_dsp_power_state *target_state)
- {
- u32 flags = 0;
- int ret;
- u8 value = 0;
- /*
- * Sanity check for illegal state transitions
- * The only allowed transitions are:
- * 1. D3 -> D0I0
- * 2. D0I0 -> D0I3
- * 3. D0I3 -> D0I0
- */
- switch (sdev->dsp_power_state.state) {
- case SOF_DSP_PM_D0:
- /* Follow the sequence below for D0 substate transitions */
- break;
- case SOF_DSP_PM_D3:
- /* Follow regular flow for D3 -> D0 transition */
- return 0;
- default:
- dev_err(sdev->dev, "error: transition from %d to %d not allowed\n",
- sdev->dsp_power_state.state, target_state->state);
- return -EINVAL;
- }
- /* Set flags and register value for D0 target substate */
- if (target_state->substate == SOF_HDA_DSP_PM_D0I3) {
- value = SOF_HDA_VS_D0I3C_I3;
- /*
- * Trace DMA need to be disabled when the DSP enters
- * D0I3 for S0Ix suspend, but it can be kept enabled
- * when the DSP enters D0I3 while the system is in S0
- * for debug purpose.
- */
- if (!sdev->fw_trace_is_supported ||
- !hda_enable_trace_D0I3_S0 ||
- sdev->system_suspend_target != SOF_SUSPEND_NONE)
- flags = HDA_PM_NO_DMA_TRACE;
- if (hda_dsp_d0i3_streaming_applicable(sdev))
- flags |= HDA_PM_PG_STREAMING;
- } else {
- /* prevent power gating in D0I0 */
- flags = HDA_PM_PPG;
- }
- /* update D0I3C register */
- ret = hda_dsp_update_d0i3c_register(sdev, value);
- if (ret < 0)
- return ret;
- /*
- * Notify the DSP of the state change.
- * If this IPC fails, revert the D0I3C register update in order
- * to prevent partial state change.
- */
- ret = hda_dsp_send_pm_gate_ipc(sdev, flags);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: PM_GATE ipc error %d\n", ret);
- goto revert;
- }
- return ret;
- revert:
- /* fallback to the previous register value */
- value = value ? 0 : SOF_HDA_VS_D0I3C_I3;
- /*
- * This can fail but return the IPC error to signal that
- * the state change failed.
- */
- hda_dsp_update_d0i3c_register(sdev, value);
- return ret;
- }
- /* helper to log DSP state */
- static void hda_dsp_state_log(struct snd_sof_dev *sdev)
- {
- switch (sdev->dsp_power_state.state) {
- case SOF_DSP_PM_D0:
- switch (sdev->dsp_power_state.substate) {
- case SOF_HDA_DSP_PM_D0I0:
- dev_dbg(sdev->dev, "Current DSP power state: D0I0\n");
- break;
- case SOF_HDA_DSP_PM_D0I3:
- dev_dbg(sdev->dev, "Current DSP power state: D0I3\n");
- break;
- default:
- dev_dbg(sdev->dev, "Unknown DSP D0 substate: %d\n",
- sdev->dsp_power_state.substate);
- break;
- }
- break;
- case SOF_DSP_PM_D1:
- dev_dbg(sdev->dev, "Current DSP power state: D1\n");
- break;
- case SOF_DSP_PM_D2:
- dev_dbg(sdev->dev, "Current DSP power state: D2\n");
- break;
- case SOF_DSP_PM_D3:
- dev_dbg(sdev->dev, "Current DSP power state: D3\n");
- break;
- default:
- dev_dbg(sdev->dev, "Unknown DSP power state: %d\n",
- sdev->dsp_power_state.state);
- break;
- }
- }
- /*
- * All DSP power state transitions are initiated by the driver.
- * If the requested state change fails, the error is simply returned.
- * Further state transitions are attempted only when the set_power_save() op
- * is called again either because of a new IPC sent to the DSP or
- * during system suspend/resume.
- */
- static int hda_dsp_set_power_state(struct snd_sof_dev *sdev,
- const struct sof_dsp_power_state *target_state)
- {
- int ret = 0;
- switch (target_state->state) {
- case SOF_DSP_PM_D0:
- ret = hda_dsp_set_D0_state(sdev, target_state);
- break;
- case SOF_DSP_PM_D3:
- /* The only allowed transition is: D0I0 -> D3 */
- if (sdev->dsp_power_state.state == SOF_DSP_PM_D0 &&
- sdev->dsp_power_state.substate == SOF_HDA_DSP_PM_D0I0)
- break;
- dev_err(sdev->dev,
- "error: transition from %d to %d not allowed\n",
- sdev->dsp_power_state.state, target_state->state);
- return -EINVAL;
- default:
- dev_err(sdev->dev, "error: target state unsupported %d\n",
- target_state->state);
- return -EINVAL;
- }
- if (ret < 0) {
- dev_err(sdev->dev,
- "failed to set requested target DSP state %d substate %d\n",
- target_state->state, target_state->substate);
- return ret;
- }
- sdev->dsp_power_state = *target_state;
- hda_dsp_state_log(sdev);
- return ret;
- }
- int hda_dsp_set_power_state_ipc3(struct snd_sof_dev *sdev,
- const struct sof_dsp_power_state *target_state)
- {
- /*
- * When the DSP is already in D0I3 and the target state is D0I3,
- * it could be the case that the DSP is in D0I3 during S0
- * and the system is suspending to S0Ix. Therefore,
- * hda_dsp_set_D0_state() must be called to disable trace DMA
- * by sending the PM_GATE IPC to the FW.
- */
- if (target_state->substate == SOF_HDA_DSP_PM_D0I3 &&
- sdev->system_suspend_target == SOF_SUSPEND_S0IX)
- return hda_dsp_set_power_state(sdev, target_state);
- /*
- * For all other cases, return without doing anything if
- * the DSP is already in the target state.
- */
- if (target_state->state == sdev->dsp_power_state.state &&
- target_state->substate == sdev->dsp_power_state.substate)
- return 0;
- return hda_dsp_set_power_state(sdev, target_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_set_power_state_ipc3, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_set_power_state_ipc4(struct snd_sof_dev *sdev,
- const struct sof_dsp_power_state *target_state)
- {
- /* Return without doing anything if the DSP is already in the target state */
- if (target_state->state == sdev->dsp_power_state.state &&
- target_state->substate == sdev->dsp_power_state.substate)
- return 0;
- return hda_dsp_set_power_state(sdev, target_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_set_power_state_ipc4, SND_SOC_SOF_INTEL_HDA_COMMON);
- /*
- * Audio DSP states may transform as below:-
- *
- * Opportunistic D0I3 in S0
- * Runtime +---------------------+ Delayed D0i3 work timeout
- * suspend | +--------------------+
- * +------------+ D0I0(active) | |
- * | | <---------------+ |
- * | +--------> | New IPC | |
- * | |Runtime +--^--+---------^--+--+ (via mailbox) | |
- * | |resume | | | | | |
- * | | | | | | | |
- * | | System| | | | | |
- * | | resume| | S3/S0IX | | | |
- * | | | | suspend | | S0IX | |
- * | | | | | |suspend | |
- * | | | | | | | |
- * | | | | | | | |
- * +-v---+-----------+--v-------+ | | +------+----v----+
- * | | | +-----------> |
- * | D3 (suspended) | | | D0I3 |
- * | | +--------------+ |
- * | | System resume | |
- * +----------------------------+ +----------------+
- *
- * S0IX suspend: The DSP is in D0I3 if any D0I3-compatible streams
- * ignored the suspend trigger. Otherwise the DSP
- * is in D3.
- */
- static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_intel_dsp_desc *chip = hda->desc;
- struct hdac_bus *bus = sof_to_bus(sdev);
- bool imr_lost = false;
- int ret, j;
- /*
- * The memory used for IMR boot loses its content in deeper than S3
- * state on CAVS platforms.
- * On ACE platforms due to the system architecture the IMR content is
- * lost at S3 state already, they are tailored for s2idle use.
- * We must not try IMR boot on next power up in these cases as it will
- * fail.
- */
- if (sdev->system_suspend_target > SOF_SUSPEND_S3 ||
- (chip->hw_ip_version >= SOF_INTEL_ACE_1_0 &&
- sdev->system_suspend_target == SOF_SUSPEND_S3))
- imr_lost = true;
- /*
- * In case of firmware crash or boot failure set the skip_imr_boot to true
- * as well in order to try to re-load the firmware to do a 'cold' boot.
- */
- if (imr_lost || sdev->fw_state == SOF_FW_CRASHED ||
- sdev->fw_state == SOF_FW_BOOT_FAILED)
- hda->skip_imr_boot = true;
- ret = chip->disable_interrupts(sdev);
- if (ret < 0)
- return ret;
- /* make sure that no irq handler is pending before shutdown */
- synchronize_irq(sdev->ipc_irq);
- hda_codec_jack_wake_enable(sdev, runtime_suspend);
- /* power down all hda links */
- hda_bus_ml_suspend(bus);
- if (sdev->dspless_mode_selected)
- goto skip_dsp;
- ret = chip->power_down_dsp(sdev);
- if (ret < 0) {
- dev_err(sdev->dev, "failed to power down DSP during suspend\n");
- return ret;
- }
- /* reset ref counts for all cores */
- for (j = 0; j < chip->cores_num; j++)
- sdev->dsp_core_ref_count[j] = 0;
- /* disable ppcap interrupt */
- hda_dsp_ctrl_ppcap_enable(sdev, false);
- hda_dsp_ctrl_ppcap_int_enable(sdev, false);
- skip_dsp:
- /* disable hda bus irq and streams */
- hda_dsp_ctrl_stop_chip(sdev);
- /* disable LP retention mode */
- snd_sof_pci_update_bits(sdev, PCI_PGCTL,
- PCI_PGCTL_LSRMD_MASK, PCI_PGCTL_LSRMD_MASK);
- /* reset controller */
- ret = hda_dsp_ctrl_link_reset(sdev, true);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: failed to reset controller during suspend\n");
- return ret;
- }
- /* display codec can powered off after link reset */
- hda_codec_i915_display_power(sdev, false);
- return 0;
- }
- static int hda_resume(struct snd_sof_dev *sdev, bool runtime_resume)
- {
- const struct sof_intel_dsp_desc *chip;
- int ret;
- /* display codec must be powered before link reset */
- hda_codec_i915_display_power(sdev, true);
- /*
- * clear TCSEL to clear playback on some HD Audio
- * codecs. PCI TCSEL is defined in the Intel manuals.
- */
- snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
- /* reset and start hda controller */
- ret = hda_dsp_ctrl_init_chip(sdev);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error: failed to start controller after resume\n");
- goto cleanup;
- }
- /* check jack status */
- if (runtime_resume) {
- hda_codec_jack_wake_enable(sdev, false);
- if (sdev->system_suspend_target == SOF_SUSPEND_NONE)
- hda_codec_jack_check(sdev);
- }
- if (!sdev->dspless_mode_selected) {
- /* enable ppcap interrupt */
- hda_dsp_ctrl_ppcap_enable(sdev, true);
- hda_dsp_ctrl_ppcap_int_enable(sdev, true);
- }
- chip = get_chip_info(sdev->pdata);
- if (chip && chip->hw_ip_version >= SOF_INTEL_ACE_2_0)
- hda_sdw_int_enable(sdev, true);
- cleanup:
- /* display codec can powered off after controller init */
- hda_codec_i915_display_power(sdev, false);
- return 0;
- }
- int hda_dsp_resume(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- struct hdac_bus *bus = sof_to_bus(sdev);
- struct pci_dev *pci = to_pci_dev(sdev->dev);
- const struct sof_dsp_power_state target_state = {
- .state = SOF_DSP_PM_D0,
- .substate = SOF_HDA_DSP_PM_D0I0,
- };
- int ret;
- /* resume from D0I3 */
- if (sdev->dsp_power_state.state == SOF_DSP_PM_D0) {
- ret = hda_bus_ml_resume(bus);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error %d in %s: failed to power up links",
- ret, __func__);
- return ret;
- }
- /* set up CORB/RIRB buffers if was on before suspend */
- hda_codec_resume_cmd_io(sdev);
- /* Set DSP power state */
- ret = snd_sof_dsp_set_power_state(sdev, &target_state);
- if (ret < 0) {
- dev_err(sdev->dev, "error: setting dsp state %d substate %d\n",
- target_state.state, target_state.substate);
- return ret;
- }
- /* restore L1SEN bit */
- if (hda->l1_disabled)
- snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
- HDA_VS_INTEL_EM2,
- HDA_VS_INTEL_EM2_L1SEN, 0);
- /* restore and disable the system wakeup */
- pci_restore_state(pci);
- disable_irq_wake(pci->irq);
- return 0;
- }
- /* init hda controller. DSP cores will be powered up during fw boot */
- ret = hda_resume(sdev, false);
- if (ret < 0)
- return ret;
- return snd_sof_dsp_set_power_state(sdev, &target_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_resume, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_runtime_resume(struct snd_sof_dev *sdev)
- {
- const struct sof_dsp_power_state target_state = {
- .state = SOF_DSP_PM_D0,
- };
- int ret;
- /* init hda controller. DSP cores will be powered up during fw boot */
- ret = hda_resume(sdev, true);
- if (ret < 0)
- return ret;
- return snd_sof_dsp_set_power_state(sdev, &target_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_runtime_resume, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_runtime_idle(struct snd_sof_dev *sdev)
- {
- struct hdac_bus *hbus = sof_to_bus(sdev);
- if (hbus->codec_powered) {
- dev_dbg(sdev->dev, "some codecs still powered (%08X), not idle\n",
- (unsigned int)hbus->codec_powered);
- return -EBUSY;
- }
- return 0;
- }
- EXPORT_SYMBOL_NS(hda_dsp_runtime_idle, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_runtime_suspend(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- const struct sof_dsp_power_state target_state = {
- .state = SOF_DSP_PM_D3,
- };
- int ret;
- if (!sdev->dspless_mode_selected) {
- /* cancel any attempt for DSP D0I3 */
- cancel_delayed_work_sync(&hda->d0i3_work);
- }
- /* stop hda controller and power dsp off */
- ret = hda_suspend(sdev, true);
- if (ret < 0)
- return ret;
- return snd_sof_dsp_set_power_state(sdev, &target_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_runtime_suspend, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_suspend(struct snd_sof_dev *sdev, u32 target_state)
- {
- struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
- struct hdac_bus *bus = sof_to_bus(sdev);
- struct pci_dev *pci = to_pci_dev(sdev->dev);
- const struct sof_dsp_power_state target_dsp_state = {
- .state = target_state,
- .substate = target_state == SOF_DSP_PM_D0 ?
- SOF_HDA_DSP_PM_D0I3 : 0,
- };
- int ret;
- if (!sdev->dspless_mode_selected) {
- /* cancel any attempt for DSP D0I3 */
- cancel_delayed_work_sync(&hda->d0i3_work);
- }
- if (target_state == SOF_DSP_PM_D0) {
- /* Set DSP power state */
- ret = snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
- if (ret < 0) {
- dev_err(sdev->dev, "error: setting dsp state %d substate %d\n",
- target_dsp_state.state,
- target_dsp_state.substate);
- return ret;
- }
- /* enable L1SEN to make sure the system can enter S0Ix */
- if (hda->l1_disabled)
- snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, HDA_VS_INTEL_EM2,
- HDA_VS_INTEL_EM2_L1SEN, HDA_VS_INTEL_EM2_L1SEN);
- /* stop the CORB/RIRB DMA if it is On */
- hda_codec_suspend_cmd_io(sdev);
- /* no link can be powered in s0ix state */
- ret = hda_bus_ml_suspend(bus);
- if (ret < 0) {
- dev_err(sdev->dev,
- "error %d in %s: failed to power down links",
- ret, __func__);
- return ret;
- }
- /* enable the system waking up via IPC IRQ */
- enable_irq_wake(pci->irq);
- pci_save_state(pci);
- return 0;
- }
- /* stop hda controller and power dsp off */
- ret = hda_suspend(sdev, false);
- if (ret < 0) {
- dev_err(bus->dev, "error: suspending dsp\n");
- return ret;
- }
- return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
- }
- EXPORT_SYMBOL_NS(hda_dsp_suspend, SND_SOC_SOF_INTEL_HDA_COMMON);
- static unsigned int hda_dsp_check_for_dma_streams(struct snd_sof_dev *sdev)
- {
- struct hdac_bus *bus = sof_to_bus(sdev);
- struct hdac_stream *s;
- unsigned int active_streams = 0;
- int sd_offset;
- u32 val;
- list_for_each_entry(s, &bus->stream_list, list) {
- sd_offset = SOF_STREAM_SD_OFFSET(s);
- val = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR,
- sd_offset);
- if (val & SOF_HDA_SD_CTL_DMA_START)
- active_streams |= BIT(s->index);
- }
- return active_streams;
- }
- static int hda_dsp_s5_quirk(struct snd_sof_dev *sdev)
- {
- int ret;
- /*
- * Do not assume a certain timing between the prior
- * suspend flow, and running of this quirk function.
- * This is needed if the controller was just put
- * to reset before calling this function.
- */
- usleep_range(500, 1000);
- /*
- * Take controller out of reset to flush DMA
- * transactions.
- */
- ret = hda_dsp_ctrl_link_reset(sdev, false);
- if (ret < 0)
- return ret;
- usleep_range(500, 1000);
- /* Restore state for shutdown, back to reset */
- ret = hda_dsp_ctrl_link_reset(sdev, true);
- if (ret < 0)
- return ret;
- return ret;
- }
- int hda_dsp_shutdown_dma_flush(struct snd_sof_dev *sdev)
- {
- unsigned int active_streams;
- int ret, ret2;
- /* check if DMA cleanup has been successful */
- active_streams = hda_dsp_check_for_dma_streams(sdev);
- sdev->system_suspend_target = SOF_SUSPEND_S3;
- ret = snd_sof_suspend(sdev->dev);
- if (active_streams) {
- dev_warn(sdev->dev,
- "There were active DSP streams (%#x) at shutdown, trying to recover\n",
- active_streams);
- ret2 = hda_dsp_s5_quirk(sdev);
- if (ret2 < 0)
- dev_err(sdev->dev, "shutdown recovery failed (%d)\n", ret2);
- }
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_shutdown_dma_flush, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_shutdown(struct snd_sof_dev *sdev)
- {
- sdev->system_suspend_target = SOF_SUSPEND_S3;
- return snd_sof_suspend(sdev->dev);
- }
- EXPORT_SYMBOL_NS(hda_dsp_shutdown, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_set_hw_params_upon_resume(struct snd_sof_dev *sdev)
- {
- int ret;
- /* make sure all DAI resources are freed */
- ret = hda_dsp_dais_suspend(sdev);
- if (ret < 0)
- dev_warn(sdev->dev, "%s: failure in hda_dsp_dais_suspend\n", __func__);
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_set_hw_params_upon_resume, SND_SOC_SOF_INTEL_HDA_COMMON);
- void hda_dsp_d0i3_work(struct work_struct *work)
- {
- struct sof_intel_hda_dev *hdev = container_of(work,
- struct sof_intel_hda_dev,
- d0i3_work.work);
- struct hdac_bus *bus = &hdev->hbus.core;
- struct snd_sof_dev *sdev = dev_get_drvdata(bus->dev);
- struct sof_dsp_power_state target_state = {
- .state = SOF_DSP_PM_D0,
- .substate = SOF_HDA_DSP_PM_D0I3,
- };
- int ret;
- /* DSP can enter D0I3 iff only D0I3-compatible streams are active */
- if (!snd_sof_dsp_only_d0i3_compatible_stream_active(sdev))
- /* remain in D0I0 */
- return;
- /* This can fail but error cannot be propagated */
- ret = snd_sof_dsp_set_power_state(sdev, &target_state);
- if (ret < 0)
- dev_err_ratelimited(sdev->dev,
- "error: failed to set DSP state %d substate %d\n",
- target_state.state, target_state.substate);
- }
- EXPORT_SYMBOL_NS(hda_dsp_d0i3_work, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_dsp_core_get(struct snd_sof_dev *sdev, int core)
- {
- const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
- int ret, ret1;
- /* power up core */
- ret = hda_dsp_enable_core(sdev, BIT(core));
- if (ret < 0) {
- dev_err(sdev->dev, "failed to power up core %d with err: %d\n",
- core, ret);
- return ret;
- }
- /* No need to send IPC for primary core or if FW boot is not complete */
- if (sdev->fw_state != SOF_FW_BOOT_COMPLETE || core == SOF_DSP_PRIMARY_CORE)
- return 0;
- /* No need to continue the set_core_state ops is not available */
- if (!pm_ops->set_core_state)
- return 0;
- /* Now notify DSP for secondary cores */
- ret = pm_ops->set_core_state(sdev, core, true);
- if (ret < 0) {
- dev_err(sdev->dev, "failed to enable secondary core '%d' failed with %d\n",
- core, ret);
- goto power_down;
- }
- return ret;
- power_down:
- /* power down core if it is host managed and return the original error if this fails too */
- ret1 = hda_dsp_core_reset_power_down(sdev, BIT(core));
- if (ret1 < 0)
- dev_err(sdev->dev, "failed to power down core: %d with err: %d\n", core, ret1);
- return ret;
- }
- EXPORT_SYMBOL_NS(hda_dsp_core_get, SND_SOC_SOF_INTEL_HDA_COMMON);
- #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
- void hda_common_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
- {
- struct sof_intel_hda_dev *hdev;
- hdev = sdev->pdata->hw_pdata;
- if (!hdev->sdw)
- return;
- snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIC2,
- HDA_DSP_REG_ADSPIC2_SNDW,
- enable ? HDA_DSP_REG_ADSPIC2_SNDW : 0);
- }
- EXPORT_SYMBOL_NS(hda_common_enable_sdw_irq, SND_SOC_SOF_INTEL_HDA_COMMON);
- void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable)
- {
- u32 interface_mask = hda_get_interface_mask(sdev);
- const struct sof_intel_dsp_desc *chip;
- if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
- return;
- chip = get_chip_info(sdev->pdata);
- if (chip && chip->enable_sdw_irq)
- chip->enable_sdw_irq(sdev, enable);
- }
- EXPORT_SYMBOL_NS(hda_sdw_int_enable, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_sdw_check_lcount_common(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hdev;
- struct sdw_intel_ctx *ctx;
- u32 caps;
- hdev = sdev->pdata->hw_pdata;
- ctx = hdev->sdw;
- caps = snd_sof_dsp_read(sdev, HDA_DSP_BAR, ctx->shim_base + SDW_SHIM_LCAP);
- caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
- /* Check HW supported vs property value */
- if (caps < ctx->count) {
- dev_err(sdev->dev,
- "%s: BIOS master count %d is larger than hardware capabilities %d\n",
- __func__, ctx->count, caps);
- return -EINVAL;
- }
- return 0;
- }
- EXPORT_SYMBOL_NS(hda_sdw_check_lcount_common, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_sdw_check_lcount_ext(struct snd_sof_dev *sdev)
- {
- struct sof_intel_hda_dev *hdev;
- struct sdw_intel_ctx *ctx;
- struct hdac_bus *bus;
- u32 slcount;
- bus = sof_to_bus(sdev);
- hdev = sdev->pdata->hw_pdata;
- ctx = hdev->sdw;
- slcount = hdac_bus_eml_get_count(bus, true, AZX_REG_ML_LEPTR_ID_SDW);
- /* Check HW supported vs property value */
- if (slcount < ctx->count) {
- dev_err(sdev->dev,
- "%s: BIOS master count %d is larger than hardware capabilities %d\n",
- __func__, ctx->count, slcount);
- return -EINVAL;
- }
- return 0;
- }
- EXPORT_SYMBOL_NS(hda_sdw_check_lcount_ext, SND_SOC_SOF_INTEL_HDA_COMMON);
- int hda_sdw_check_lcount(struct snd_sof_dev *sdev)
- {
- const struct sof_intel_dsp_desc *chip;
- chip = get_chip_info(sdev->pdata);
- if (chip && chip->read_sdw_lcount)
- return chip->read_sdw_lcount(sdev);
- return 0;
- }
- EXPORT_SYMBOL_NS(hda_sdw_check_lcount, SND_SOC_SOF_INTEL_HDA_COMMON);
- void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
- {
- u32 interface_mask = hda_get_interface_mask(sdev);
- const struct sof_intel_dsp_desc *chip;
- if (!(interface_mask & BIT(SOF_DAI_INTEL_ALH)))
- return;
- chip = get_chip_info(sdev->pdata);
- if (chip && chip->sdw_process_wakeen)
- chip->sdw_process_wakeen(sdev);
- }
- EXPORT_SYMBOL_NS(hda_sdw_process_wakeen, SND_SOC_SOF_INTEL_HDA_COMMON);
- #endif
- int hda_dsp_disable_interrupts(struct snd_sof_dev *sdev)
- {
- hda_sdw_int_enable(sdev, false);
- hda_dsp_ipc_int_disable(sdev);
- return 0;
- }
- EXPORT_SYMBOL_NS(hda_dsp_disable_interrupts, SND_SOC_SOF_INTEL_HDA_COMMON);
- static const struct hda_dsp_msg_code hda_dsp_rom_fw_error_texts[] = {
- {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
- {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
- {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
- {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
- {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
- {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
- {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
- {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
- {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
- {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
- {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
- {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
- {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
- {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
- {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
- {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
- };
- #define FSR_ROM_STATE_ENTRY(state) {FSR_STATE_ROM_##state, #state}
- static const struct hda_dsp_msg_code cavs_fsr_rom_state_names[] = {
- FSR_ROM_STATE_ENTRY(INIT),
- FSR_ROM_STATE_ENTRY(INIT_DONE),
- FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
- FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
- FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
- FSR_ROM_STATE_ENTRY(FW_ENTERED),
- FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
- FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
- FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT),
- FSR_ROM_STATE_ENTRY(FETCH_ROM_EXT_DONE),
- /* CSE states */
- FSR_ROM_STATE_ENTRY(CSE_IMR_REQUEST),
- FSR_ROM_STATE_ENTRY(CSE_IMR_GRANTED),
- FSR_ROM_STATE_ENTRY(CSE_VALIDATE_IMAGE_REQUEST),
- FSR_ROM_STATE_ENTRY(CSE_IMAGE_VALIDATED),
- FSR_ROM_STATE_ENTRY(CSE_IPC_IFACE_INIT),
- FSR_ROM_STATE_ENTRY(CSE_IPC_RESET_PHASE_1),
- FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL_ENTRY),
- FSR_ROM_STATE_ENTRY(CSE_IPC_OPERATIONAL),
- FSR_ROM_STATE_ENTRY(CSE_IPC_DOWN),
- };
- static const struct hda_dsp_msg_code ace_fsr_rom_state_names[] = {
- FSR_ROM_STATE_ENTRY(INIT),
- FSR_ROM_STATE_ENTRY(INIT_DONE),
- FSR_ROM_STATE_ENTRY(CSE_MANIFEST_LOADED),
- FSR_ROM_STATE_ENTRY(FW_MANIFEST_LOADED),
- FSR_ROM_STATE_ENTRY(FW_FW_LOADED),
- FSR_ROM_STATE_ENTRY(FW_ENTERED),
- FSR_ROM_STATE_ENTRY(VERIFY_FEATURE_MASK),
- FSR_ROM_STATE_ENTRY(GET_LOAD_OFFSET),
- FSR_ROM_STATE_ENTRY(RESET_VECTOR_DONE),
- FSR_ROM_STATE_ENTRY(PURGE_BOOT),
- FSR_ROM_STATE_ENTRY(RESTORE_BOOT),
- FSR_ROM_STATE_ENTRY(FW_ENTRY_POINT),
- FSR_ROM_STATE_ENTRY(VALIDATE_PUB_KEY),
- FSR_ROM_STATE_ENTRY(POWER_DOWN_HPSRAM),
- FSR_ROM_STATE_ENTRY(POWER_DOWN_ULPSRAM),
- FSR_ROM_STATE_ENTRY(POWER_UP_ULPSRAM_STACK),
- FSR_ROM_STATE_ENTRY(POWER_UP_HPSRAM_DMA),
- FSR_ROM_STATE_ENTRY(BEFORE_EP_POINTER_READ),
- FSR_ROM_STATE_ENTRY(VALIDATE_MANIFEST),
- FSR_ROM_STATE_ENTRY(VALIDATE_FW_MODULE),
- FSR_ROM_STATE_ENTRY(PROTECT_IMR_REGION),
- FSR_ROM_STATE_ENTRY(PUSH_MODEL_ROUTINE),
- FSR_ROM_STATE_ENTRY(PULL_MODEL_ROUTINE),
- FSR_ROM_STATE_ENTRY(VALIDATE_PKG_DIR),
- FSR_ROM_STATE_ENTRY(VALIDATE_CPD),
- FSR_ROM_STATE_ENTRY(VALIDATE_CSS_MAN_HEADER),
- FSR_ROM_STATE_ENTRY(VALIDATE_BLOB_SVN),
- FSR_ROM_STATE_ENTRY(VERIFY_IFWI_PARTITION),
- FSR_ROM_STATE_ENTRY(REMOVE_ACCESS_CONTROL),
- FSR_ROM_STATE_ENTRY(AUTH_BYPASS),
- FSR_ROM_STATE_ENTRY(AUTH_ENABLED),
- FSR_ROM_STATE_ENTRY(INIT_DMA),
- FSR_ROM_STATE_ENTRY(PURGE_FW_ENTRY),
- FSR_ROM_STATE_ENTRY(PURGE_FW_END),
- FSR_ROM_STATE_ENTRY(CLEAN_UP_BSS_DONE),
- FSR_ROM_STATE_ENTRY(IMR_RESTORE_ENTRY),
- FSR_ROM_STATE_ENTRY(IMR_RESTORE_END),
- FSR_ROM_STATE_ENTRY(FW_MANIFEST_IN_DMA_BUFF),
- FSR_ROM_STATE_ENTRY(LOAD_CSE_MAN_TO_IMR),
- FSR_ROM_STATE_ENTRY(LOAD_FW_MAN_TO_IMR),
- FSR_ROM_STATE_ENTRY(LOAD_FW_CODE_TO_IMR),
- FSR_ROM_STATE_ENTRY(FW_LOADING_DONE),
- FSR_ROM_STATE_ENTRY(FW_CODE_LOADED),
- FSR_ROM_STATE_ENTRY(VERIFY_IMAGE_TYPE),
- FSR_ROM_STATE_ENTRY(AUTH_API_INIT),
- FSR_ROM_STATE_ENTRY(AUTH_API_PROC),
- FSR_ROM_STATE_ENTRY(AUTH_API_FIRST_BUSY),
- FSR_ROM_STATE_ENTRY(AUTH_API_FIRST_RESULT),
- FSR_ROM_STATE_ENTRY(AUTH_API_CLEANUP),
- };
- #define FSR_BRINGUP_STATE_ENTRY(state) {FSR_STATE_BRINGUP_##state, #state}
- static const struct hda_dsp_msg_code fsr_bringup_state_names[] = {
- FSR_BRINGUP_STATE_ENTRY(INIT),
- FSR_BRINGUP_STATE_ENTRY(INIT_DONE),
- FSR_BRINGUP_STATE_ENTRY(HPSRAM_LOAD),
- FSR_BRINGUP_STATE_ENTRY(UNPACK_START),
- FSR_BRINGUP_STATE_ENTRY(IMR_RESTORE),
- FSR_BRINGUP_STATE_ENTRY(FW_ENTERED),
- };
- #define FSR_WAIT_STATE_ENTRY(state) {FSR_WAIT_FOR_##state, #state}
- static const struct hda_dsp_msg_code fsr_wait_state_names[] = {
- FSR_WAIT_STATE_ENTRY(IPC_BUSY),
- FSR_WAIT_STATE_ENTRY(IPC_DONE),
- FSR_WAIT_STATE_ENTRY(CACHE_INVALIDATION),
- FSR_WAIT_STATE_ENTRY(LP_SRAM_OFF),
- FSR_WAIT_STATE_ENTRY(DMA_BUFFER_FULL),
- FSR_WAIT_STATE_ENTRY(CSE_CSR),
- };
- #define FSR_MODULE_NAME_ENTRY(mod) [FSR_MOD_##mod] = #mod
- static const char * const fsr_module_names[] = {
- FSR_MODULE_NAME_ENTRY(ROM),
- FSR_MODULE_NAME_ENTRY(ROM_BYP),
- FSR_MODULE_NAME_ENTRY(BASE_FW),
- FSR_MODULE_NAME_ENTRY(LP_BOOT),
- FSR_MODULE_NAME_ENTRY(BRNGUP),
- FSR_MODULE_NAME_ENTRY(ROM_EXT),
- };
- static const char *
- hda_dsp_get_state_text(u32 code, const struct hda_dsp_msg_code *msg_code,
- size_t array_size)
- {
- int i;
- for (i = 0; i < array_size; i++) {
- if (code == msg_code[i].code)
- return msg_code[i].text;
- }
- return NULL;
- }
- void hda_dsp_get_state(struct snd_sof_dev *sdev, const char *level)
- {
- const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
- const char *state_text, *error_text, *module_text;
- u32 fsr, state, wait_state, module, error_code;
- fsr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg);
- state = FSR_TO_STATE_CODE(fsr);
- wait_state = FSR_TO_WAIT_STATE_CODE(fsr);
- module = FSR_TO_MODULE_CODE(fsr);
- if (module > FSR_MOD_ROM_EXT)
- module_text = "unknown";
- else
- module_text = fsr_module_names[module];
- if (module == FSR_MOD_BRNGUP) {
- state_text = hda_dsp_get_state_text(state, fsr_bringup_state_names,
- ARRAY_SIZE(fsr_bringup_state_names));
- } else {
- if (chip->hw_ip_version < SOF_INTEL_ACE_1_0)
- state_text = hda_dsp_get_state_text(state,
- cavs_fsr_rom_state_names,
- ARRAY_SIZE(cavs_fsr_rom_state_names));
- else
- state_text = hda_dsp_get_state_text(state,
- ace_fsr_rom_state_names,
- ARRAY_SIZE(ace_fsr_rom_state_names));
- }
- /* not for us, must be generic sof message */
- if (!state_text) {
- dev_printk(level, sdev->dev, "%#010x: unknown ROM status value\n", fsr);
- return;
- }
- if (wait_state) {
- const char *wait_state_text;
- wait_state_text = hda_dsp_get_state_text(wait_state, fsr_wait_state_names,
- ARRAY_SIZE(fsr_wait_state_names));
- if (!wait_state_text)
- wait_state_text = "unknown";
- dev_printk(level, sdev->dev,
- "%#010x: module: %s, state: %s, waiting for: %s, %s\n",
- fsr, module_text, state_text, wait_state_text,
- fsr & FSR_HALTED ? "not running" : "running");
- } else {
- dev_printk(level, sdev->dev, "%#010x: module: %s, state: %s, %s\n",
- fsr, module_text, state_text,
- fsr & FSR_HALTED ? "not running" : "running");
- }
- error_code = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + 4);
- if (!error_code)
- return;
- error_text = hda_dsp_get_state_text(error_code, hda_dsp_rom_fw_error_texts,
- ARRAY_SIZE(hda_dsp_rom_fw_error_texts));
- if (!error_text)
- error_text = "unknown";
- if (state == FSR_STATE_FW_ENTERED)
- dev_printk(level, sdev->dev, "status code: %#x (%s)\n", error_code,
- error_text);
- else
- dev_printk(level, sdev->dev, "error code: %#x (%s)\n", error_code,
- error_text);
- }
- EXPORT_SYMBOL_NS(hda_dsp_get_state, SND_SOC_SOF_INTEL_HDA_COMMON);
- static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
- struct sof_ipc_dsp_oops_xtensa *xoops,
- struct sof_ipc_panic_info *panic_info,
- u32 *stack, size_t stack_words)
- {
- u32 offset = sdev->dsp_oops_offset;
- /* first read registers */
- sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
- /* note: variable AR register array is not read */
- /* then get panic info */
- if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
- dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
- xoops->arch_hdr.totalsize);
- return;
- }
- offset += xoops->arch_hdr.totalsize;
- sof_block_read(sdev, sdev->mmio_bar, offset,
- panic_info, sizeof(*panic_info));
- /* then get the stack */
- offset += sizeof(*panic_info);
- sof_block_read(sdev, sdev->mmio_bar, offset, stack,
- stack_words * sizeof(u32));
- }
- /* dump the first 8 dwords representing the extended ROM status */
- void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level,
- u32 flags)
- {
- const struct sof_intel_dsp_desc *chip;
- char msg[128];
- int len = 0;
- u32 value;
- int i;
- chip = get_chip_info(sdev->pdata);
- for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
- value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
- len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
- }
- dev_printk(level, sdev->dev, "extended rom status: %s", msg);
- }
- void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
- {
- char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR;
- struct sof_ipc_dsp_oops_xtensa xoops;
- struct sof_ipc_panic_info panic_info;
- u32 stack[HDA_DSP_STACK_DUMP_SIZE];
- /* print ROM/FW status */
- hda_dsp_get_state(sdev, level);
- /* The firmware register dump only available with IPC3 */
- if (flags & SOF_DBG_DUMP_REGS && sdev->pdata->ipc_type == SOF_IPC_TYPE_3) {
- u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS);
- u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
- hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
- HDA_DSP_STACK_DUMP_SIZE);
- sof_print_oops_and_stack(sdev, level, status, panic, &xoops,
- &panic_info, stack, HDA_DSP_STACK_DUMP_SIZE);
- } else {
- hda_dsp_dump_ext_rom_status(sdev, level, flags);
- }
- }
- EXPORT_SYMBOL_NS(hda_dsp_dump, SND_SOC_SOF_INTEL_HDA_COMMON);
|