| // 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. All rights reserved. | |
| // | |
| // 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 <sound/hdaudio_ext.h> | |
| #include <sound/hda_register.h> | |
| #include <linux/acpi.h> | |
| #include <linux/module.h> | |
| #include <linux/soundwire/sdw.h> | |
| #include <linux/soundwire/sdw_intel.h> | |
| #include <sound/intel-dsp-config.h> | |
| #include <sound/intel-nhlt.h> | |
| #include <sound/sof.h> | |
| #include <sound/sof/xtensa.h> | |
| #include "../sof-audio.h" | |
| #include "../sof-pci-dev.h" | |
| #include "../ops.h" | |
| #include "hda.h" | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| #include <sound/soc-acpi-intel-match.h> | |
| #endif | |
| /* platform specific devices */ | |
| #include "shim.h" | |
| #define EXCEPT_MAX_HDR_SIZE 0x400 | |
| #define HDA_EXT_ROM_STATUS_SIZE 8 | |
| int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w, unsigned int quirk_flags, | |
| struct snd_sof_dai_config_data *data) | |
| { | |
| struct snd_sof_widget *swidget = w->dobj.private; | |
| struct snd_soc_component *component = swidget->scomp; | |
| struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); | |
| const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; | |
| struct snd_sof_dai *sof_dai = swidget->private; | |
| int ret; | |
| if (!sof_dai) { | |
| dev_err(sdev->dev, "%s: No DAI for DAI widget %s\n", __func__, w->name); | |
| return -EINVAL; | |
| } | |
| if (tplg_ops->dai_config) { | |
| unsigned int flags; | |
| /* set HW_PARAMS flag along with quirks */ | |
| flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS | | |
| quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; | |
| ret = tplg_ops->dai_config(sdev, swidget, flags, data); | |
| if (ret < 0) { | |
| dev_err(sdev->dev, "%s: DAI config failed for widget %s\n", __func__, | |
| w->name); | |
| return ret; | |
| } | |
| } | |
| return 0; | |
| } | |
| int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w, unsigned int quirk_flags, | |
| struct snd_sof_dai_config_data *data) | |
| { | |
| struct snd_sof_widget *swidget = w->dobj.private; | |
| struct snd_soc_component *component = swidget->scomp; | |
| struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); | |
| const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; | |
| struct snd_sof_dai *sof_dai = swidget->private; | |
| if (!sof_dai) { | |
| dev_err(sdev->dev, "%s: No DAI for BE DAI widget %s\n", __func__, w->name); | |
| return -EINVAL; | |
| } | |
| if (tplg_ops->dai_config) { | |
| unsigned int flags; | |
| int ret; | |
| /* set HW_FREE flag along with any quirks */ | |
| flags = SOF_DAI_CONFIG_FLAGS_HW_FREE | | |
| quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; | |
| ret = tplg_ops->dai_config(sdev, swidget, flags, data); | |
| if (ret < 0) | |
| dev_err(sdev->dev, "%s: DAI config failed for widget '%s'\n", __func__, | |
| w->name); | |
| } | |
| return 0; | |
| } | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) | |
| /* | |
| * The default for SoundWire clock stop quirks is to power gate the IP | |
| * and do a Bus Reset, this will need to be modified when the DSP | |
| * needs to remain in D0i3 so that the Master does not lose context | |
| * and enumeration is not required on clock restart | |
| */ | |
| static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; | |
| module_param(sdw_clock_stop_quirks, int, 0444); | |
| MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); | |
| static int sdw_params_stream(struct device *dev, | |
| struct sdw_intel_stream_params_data *params_data) | |
| { | |
| struct snd_soc_dai *d = params_data->dai; | |
| struct snd_sof_dai_config_data data; | |
| struct snd_soc_dapm_widget *w; | |
| w = snd_soc_dai_get_widget(d, params_data->stream); | |
| data.dai_index = (params_data->link_id << 8) | d->id; | |
| data.dai_data = params_data->alh_stream_id; | |
| return hda_ctrl_dai_widget_setup(w, SOF_DAI_CONFIG_FLAGS_NONE, &data); | |
| } | |
| static int sdw_free_stream(struct device *dev, | |
| struct sdw_intel_stream_free_data *free_data) | |
| { | |
| struct snd_soc_dai *d = free_data->dai; | |
| struct snd_sof_dai_config_data data; | |
| struct snd_soc_dapm_widget *w; | |
| w = snd_soc_dai_get_widget(d, free_data->stream); | |
| data.dai_index = (free_data->link_id << 8) | d->id; | |
| /* send invalid stream_id */ | |
| data.dai_data = 0xFFFF; | |
| return hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE, &data); | |
| } | |
| static const struct sdw_intel_ops sdw_callback = { | |
| .params_stream = sdw_params_stream, | |
| .free_stream = sdw_free_stream, | |
| }; | |
| void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) | |
| { | |
| sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); | |
| } | |
| static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| acpi_handle handle; | |
| int ret; | |
| handle = ACPI_HANDLE(sdev->dev); | |
| /* save ACPI info for the probe step */ | |
| hdev = sdev->pdata->hw_pdata; | |
| ret = sdw_intel_acpi_scan(handle, &hdev->info); | |
| if (ret < 0) | |
| return -EINVAL; | |
| return 0; | |
| } | |
| static int hda_sdw_probe(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| struct sdw_intel_res res; | |
| void *sdw; | |
| hdev = sdev->pdata->hw_pdata; | |
| memset(&res, 0, sizeof(res)); | |
| res.mmio_base = sdev->bar[HDA_DSP_BAR]; | |
| res.shim_base = hdev->desc->sdw_shim_base; | |
| res.alh_base = hdev->desc->sdw_alh_base; | |
| res.irq = sdev->ipc_irq; | |
| res.handle = hdev->info.handle; | |
| res.parent = sdev->dev; | |
| res.ops = &sdw_callback; | |
| res.dev = sdev->dev; | |
| res.clock_stop_quirks = sdw_clock_stop_quirks; | |
| /* | |
| * ops and arg fields are not populated for now, | |
| * they will be needed when the DAI callbacks are | |
| * provided | |
| */ | |
| /* we could filter links here if needed, e.g for quirks */ | |
| res.count = hdev->info.count; | |
| res.link_mask = hdev->info.link_mask; | |
| sdw = sdw_intel_probe(&res); | |
| if (!sdw) { | |
| dev_err(sdev->dev, "error: SoundWire probe failed\n"); | |
| return -EINVAL; | |
| } | |
| /* save context */ | |
| hdev->sdw = sdw; | |
| return 0; | |
| } | |
| int hda_sdw_startup(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| struct snd_sof_pdata *pdata = sdev->pdata; | |
| hdev = sdev->pdata->hw_pdata; | |
| if (!hdev->sdw) | |
| return 0; | |
| if (pdata->machine && !pdata->machine->mach_params.link_mask) | |
| return 0; | |
| return sdw_intel_startup(hdev->sdw); | |
| } | |
| static int hda_sdw_exit(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| hdev = sdev->pdata->hw_pdata; | |
| hda_sdw_int_enable(sdev, false); | |
| if (hdev->sdw) | |
| sdw_intel_exit(hdev->sdw); | |
| hdev->sdw = NULL; | |
| return 0; | |
| } | |
| bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| bool ret = false; | |
| u32 irq_status; | |
| hdev = sdev->pdata->hw_pdata; | |
| if (!hdev->sdw) | |
| return ret; | |
| /* store status */ | |
| irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); | |
| /* invalid message ? */ | |
| if (irq_status == 0xffffffff) | |
| goto out; | |
| /* SDW message ? */ | |
| if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) | |
| ret = true; | |
| out: | |
| return ret; | |
| } | |
| static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) | |
| { | |
| const struct sof_intel_dsp_desc *chip; | |
| chip = get_chip_info(sdev->pdata); | |
| if (chip && chip->check_sdw_irq) | |
| return chip->check_sdw_irq(sdev); | |
| return false; | |
| } | |
| static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) | |
| { | |
| return sdw_intel_thread(irq, context); | |
| } | |
| static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| hdev = sdev->pdata->hw_pdata; | |
| if (hdev->sdw && | |
| snd_sof_dsp_read(sdev, HDA_DSP_BAR, | |
| hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) | |
| return true; | |
| return false; | |
| } | |
| void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) | |
| { | |
| struct sof_intel_hda_dev *hdev; | |
| hdev = sdev->pdata->hw_pdata; | |
| if (!hdev->sdw) | |
| return; | |
| sdw_intel_process_wakeen_event(hdev->sdw); | |
| } | |
| #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ | |
| static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) | |
| { | |
| return 0; | |
| } | |
| static inline int hda_sdw_probe(struct snd_sof_dev *sdev) | |
| { | |
| return 0; | |
| } | |
| static inline int hda_sdw_exit(struct snd_sof_dev *sdev) | |
| { | |
| return 0; | |
| } | |
| static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) | |
| { | |
| return false; | |
| } | |
| static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) | |
| { | |
| return IRQ_HANDLED; | |
| } | |
| static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) | |
| { | |
| return false; | |
| } | |
| #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ | |
| /* | |
| * Debug | |
| */ | |
| struct hda_dsp_msg_code { | |
| u32 code; | |
| const char *msg; | |
| }; | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) | |
| static bool hda_use_msi = true; | |
| module_param_named(use_msi, hda_use_msi, bool, 0444); | |
| MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); | |
| #else | |
| #define hda_use_msi (1) | |
| #endif | |
| int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS; | |
| module_param_named(position_quirk, sof_hda_position_quirk, int, 0444); | |
| MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk"); | |
| static char *hda_model; | |
| module_param(hda_model, charp, 0444); | |
| MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); | |
| static int dmic_num_override = -1; | |
| module_param_named(dmic_num, dmic_num_override, int, 0444); | |
| MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); | |
| module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); | |
| MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); | |
| #endif | |
| static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { | |
| {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, | |
| {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, | |
| {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, | |
| {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"}, | |
| }; | |
| static void hda_dsp_get_status(struct snd_sof_dev *sdev, const char *level) | |
| { | |
| u32 status; | |
| int i; | |
| status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, | |
| HDA_DSP_SRAM_REG_ROM_STATUS); | |
| for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { | |
| if (status == hda_dsp_rom_msg[i].code) { | |
| dev_printk(level, sdev->dev, "%s - code %8.8x\n", | |
| hda_dsp_rom_msg[i].msg, status); | |
| return; | |
| } | |
| } | |
| /* not for us, must be generic sof message */ | |
| dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); | |
| } | |
| 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 */ | |
| static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level, | |
| u32 flags) | |
| { | |
| char msg[128]; | |
| int len = 0; | |
| u32 value; | |
| int i; | |
| for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { | |
| value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); | |
| len += snprintf(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_status(sdev, level); | |
| if (flags & SOF_DBG_DUMP_REGS) { | |
| 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); | |
| } | |
| } | |
| void hda_ipc_irq_dump(struct snd_sof_dev *sdev) | |
| { | |
| struct hdac_bus *bus = sof_to_bus(sdev); | |
| u32 adspis; | |
| u32 intsts; | |
| u32 intctl; | |
| u32 ppsts; | |
| u8 rirbsts; | |
| /* read key IRQ stats and config registers */ | |
| adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); | |
| intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); | |
| intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); | |
| ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); | |
| rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); | |
| dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", | |
| intsts, intctl, rirbsts); | |
| dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); | |
| } | |
| void hda_ipc_dump(struct snd_sof_dev *sdev) | |
| { | |
| u32 hipcie; | |
| u32 hipct; | |
| u32 hipcctl; | |
| hda_ipc_irq_dump(sdev); | |
| /* read IPC status */ | |
| hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); | |
| hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); | |
| hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); | |
| /* dump the IPC regs */ | |
| /* TODO: parse the raw msg */ | |
| dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", | |
| hipcie, hipct, hipcctl); | |
| } | |
| static int hda_init(struct snd_sof_dev *sdev) | |
| { | |
| struct hda_bus *hbus; | |
| struct hdac_bus *bus; | |
| struct pci_dev *pci = to_pci_dev(sdev->dev); | |
| int ret; | |
| hbus = sof_to_hbus(sdev); | |
| bus = sof_to_bus(sdev); | |
| /* HDA bus init */ | |
| sof_hda_bus_init(bus, &pci->dev); | |
| if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS) | |
| bus->use_posbuf = 0; | |
| else | |
| bus->use_posbuf = 1; | |
| bus->bdl_pos_adj = 0; | |
| bus->sync_write = 1; | |
| mutex_init(&hbus->prepare_mutex); | |
| hbus->pci = pci; | |
| hbus->mixer_assigned = -1; | |
| hbus->modelname = hda_model; | |
| /* initialise hdac bus */ | |
| bus->addr = pci_resource_start(pci, 0); | |
| bus->remap_addr = pci_ioremap_bar(pci, 0); | |
| if (!bus->remap_addr) { | |
| dev_err(bus->dev, "error: ioremap error\n"); | |
| return -ENXIO; | |
| } | |
| /* HDA base */ | |
| sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; | |
| /* init i915 and HDMI codecs */ | |
| ret = hda_codec_i915_init(sdev); | |
| if (ret < 0) | |
| dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); | |
| /* get controller capabilities */ | |
| ret = hda_dsp_ctrl_get_caps(sdev); | |
| if (ret < 0) | |
| dev_err(sdev->dev, "error: get caps error\n"); | |
| return ret; | |
| } | |
| static int check_dmic_num(struct snd_sof_dev *sdev) | |
| { | |
| struct nhlt_acpi_table *nhlt; | |
| int dmic_num = 0; | |
| nhlt = intel_nhlt_init(sdev->dev); | |
| if (nhlt) { | |
| dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); | |
| intel_nhlt_free(nhlt); | |
| } | |
| /* allow for module parameter override */ | |
| if (dmic_num_override != -1) { | |
| dev_dbg(sdev->dev, | |
| "overriding DMICs detected in NHLT tables %d by kernel param %d\n", | |
| dmic_num, dmic_num_override); | |
| dmic_num = dmic_num_override; | |
| } | |
| if (dmic_num < 0 || dmic_num > 4) { | |
| dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num); | |
| dmic_num = 0; | |
| } | |
| return dmic_num; | |
| } | |
| static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev) | |
| { | |
| struct nhlt_acpi_table *nhlt; | |
| int ssp_mask = 0; | |
| nhlt = intel_nhlt_init(sdev->dev); | |
| if (!nhlt) | |
| return ssp_mask; | |
| if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) { | |
| ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S); | |
| if (ssp_mask) | |
| dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask); | |
| } | |
| intel_nhlt_free(nhlt); | |
| return ssp_mask; | |
| } | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) | |
| static const char *fixup_tplg_name(struct snd_sof_dev *sdev, | |
| const char *sof_tplg_filename, | |
| const char *idisp_str, | |
| const char *dmic_str) | |
| { | |
| const char *tplg_filename = NULL; | |
| char *filename, *tmp; | |
| const char *split_ext; | |
| filename = kstrdup(sof_tplg_filename, GFP_KERNEL); | |
| if (!filename) | |
| return NULL; | |
| /* this assumes a .tplg extension */ | |
| tmp = filename; | |
| split_ext = strsep(&tmp, "."); | |
| if (split_ext) | |
| tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, | |
| "%s%s%s.tplg", | |
| split_ext, idisp_str, dmic_str); | |
| kfree(filename); | |
| return tplg_filename; | |
| } | |
| static int dmic_topology_fixup(struct snd_sof_dev *sdev, | |
| const char **tplg_filename, | |
| const char *idisp_str, | |
| int *dmic_found) | |
| { | |
| const char *default_tplg_filename = *tplg_filename; | |
| const char *fixed_tplg_filename; | |
| const char *dmic_str; | |
| int dmic_num; | |
| /* first check for DMICs (using NHLT or module parameter) */ | |
| dmic_num = check_dmic_num(sdev); | |
| switch (dmic_num) { | |
| case 1: | |
| dmic_str = "-1ch"; | |
| break; | |
| case 2: | |
| dmic_str = "-2ch"; | |
| break; | |
| case 3: | |
| dmic_str = "-3ch"; | |
| break; | |
| case 4: | |
| dmic_str = "-4ch"; | |
| break; | |
| default: | |
| dmic_num = 0; | |
| dmic_str = ""; | |
| break; | |
| } | |
| fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, | |
| idisp_str, dmic_str); | |
| if (!fixed_tplg_filename) | |
| return -ENOMEM; | |
| dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); | |
| *dmic_found = dmic_num; | |
| *tplg_filename = fixed_tplg_filename; | |
| return 0; | |
| } | |
| #endif | |
| static int hda_init_caps(struct snd_sof_dev *sdev) | |
| { | |
| struct hdac_bus *bus = sof_to_bus(sdev); | |
| struct snd_sof_pdata *pdata = sdev->pdata; | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| struct hdac_ext_link *hlink; | |
| #endif | |
| struct sof_intel_hda_dev *hdev = pdata->hw_pdata; | |
| u32 link_mask; | |
| int ret = 0; | |
| /* check if dsp is there */ | |
| if (bus->ppcap) | |
| dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); | |
| /* Init HDA controller after i915 init */ | |
| ret = hda_dsp_ctrl_init_chip(sdev, true); | |
| if (ret < 0) { | |
| dev_err(bus->dev, "error: init chip failed with ret: %d\n", | |
| ret); | |
| return ret; | |
| } | |
| /* scan SoundWire capabilities exposed by DSDT */ | |
| ret = hda_sdw_acpi_scan(sdev); | |
| if (ret < 0) { | |
| dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); | |
| goto skip_soundwire; | |
| } | |
| link_mask = hdev->info.link_mask; | |
| if (!link_mask) { | |
| dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); | |
| goto skip_soundwire; | |
| } | |
| /* | |
| * probe/allocate SoundWire resources. | |
| * The hardware configuration takes place in hda_sdw_startup | |
| * after power rails are enabled. | |
| * It's entirely possible to have a mix of I2S/DMIC/SoundWire | |
| * devices, so we allocate the resources in all cases. | |
| */ | |
| ret = hda_sdw_probe(sdev); | |
| if (ret < 0) { | |
| dev_err(sdev->dev, "error: SoundWire probe error\n"); | |
| return ret; | |
| } | |
| skip_soundwire: | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| if (bus->mlcap) | |
| snd_hdac_ext_bus_get_ml_capabilities(bus); | |
| /* create codec instances */ | |
| hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); | |
| if (!HDA_IDISP_CODEC(bus->codec_mask)) | |
| hda_codec_i915_display_power(sdev, false); | |
| /* | |
| * we are done probing so decrement link counts | |
| */ | |
| list_for_each_entry(hlink, &bus->hlink_list, list) | |
| snd_hdac_ext_bus_link_put(bus, hlink); | |
| #endif | |
| return 0; | |
| } | |
| static void hda_check_for_state_change(struct snd_sof_dev *sdev) | |
| { | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| struct hdac_bus *bus = sof_to_bus(sdev); | |
| unsigned int codec_mask; | |
| codec_mask = snd_hdac_chip_readw(bus, STATESTS); | |
| if (codec_mask) { | |
| hda_codec_jack_check(sdev); | |
| snd_hdac_chip_writew(bus, STATESTS, codec_mask); | |
| } | |
| #endif | |
| } | |
| static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) | |
| { | |
| struct snd_sof_dev *sdev = context; | |
| /* | |
| * Get global interrupt status. It includes all hardware interrupt | |
| * sources in the Intel HD Audio controller. | |
| */ | |
| if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & | |
| SOF_HDA_INTSTS_GIS) { | |
| /* disable GIE interrupt */ | |
| snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, | |
| SOF_HDA_INTCTL, | |
| SOF_HDA_INT_GLOBAL_EN, | |
| 0); | |
| return IRQ_WAKE_THREAD; | |
| } | |
| return IRQ_NONE; | |
| } | |
| static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) | |
| { | |
| struct snd_sof_dev *sdev = context; | |
| struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; | |
| /* deal with streams and controller first */ | |
| if (hda_dsp_check_stream_irq(sdev)) | |
| hda_dsp_stream_threaded_handler(irq, sdev); | |
| if (hda_dsp_check_ipc_irq(sdev)) | |
| sof_ops(sdev)->irq_thread(irq, sdev); | |
| if (hda_dsp_check_sdw_irq(sdev)) | |
| hda_dsp_sdw_thread(irq, hdev->sdw); | |
| if (hda_sdw_check_wakeen_irq(sdev)) | |
| hda_sdw_process_wakeen(sdev); | |
| hda_check_for_state_change(sdev); | |
| /* enable GIE interrupt */ | |
| snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, | |
| SOF_HDA_INTCTL, | |
| SOF_HDA_INT_GLOBAL_EN, | |
| SOF_HDA_INT_GLOBAL_EN); | |
| return IRQ_HANDLED; | |
| } | |
| int hda_dsp_probe(struct snd_sof_dev *sdev) | |
| { | |
| struct pci_dev *pci = to_pci_dev(sdev->dev); | |
| struct sof_intel_hda_dev *hdev; | |
| struct hdac_bus *bus; | |
| const struct sof_intel_dsp_desc *chip; | |
| int ret = 0; | |
| /* | |
| * detect DSP by checking class/subclass/prog-id information | |
| * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required | |
| * class=04 subclass 01 prog-if 00: DSP is present | |
| * (and may be required e.g. for DMIC or SSP support) | |
| * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works | |
| */ | |
| if (pci->class == 0x040300) { | |
| dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); | |
| return -ENODEV; | |
| } else if (pci->class != 0x040100 && pci->class != 0x040380) { | |
| dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); | |
| return -ENODEV; | |
| } | |
| dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); | |
| chip = get_chip_info(sdev->pdata); | |
| if (!chip) { | |
| dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", | |
| pci->device); | |
| ret = -EIO; | |
| goto err; | |
| } | |
| sdev->num_cores = chip->cores_num; | |
| hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); | |
| if (!hdev) | |
| return -ENOMEM; | |
| sdev->pdata->hw_pdata = hdev; | |
| hdev->desc = chip; | |
| hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", | |
| PLATFORM_DEVID_NONE, | |
| NULL, 0); | |
| if (IS_ERR(hdev->dmic_dev)) { | |
| dev_err(sdev->dev, "error: failed to create DMIC device\n"); | |
| return PTR_ERR(hdev->dmic_dev); | |
| } | |
| /* | |
| * use position update IPC if either it is forced | |
| * or we don't have other choice | |
| */ | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) | |
| hdev->no_ipc_position = 0; | |
| #else | |
| hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; | |
| #endif | |
| /* set up HDA base */ | |
| bus = sof_to_bus(sdev); | |
| ret = hda_init(sdev); | |
| if (ret < 0) | |
| goto hdac_bus_unmap; | |
| /* DSP base */ | |
| sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); | |
| if (!sdev->bar[HDA_DSP_BAR]) { | |
| dev_err(sdev->dev, "error: ioremap error\n"); | |
| ret = -ENXIO; | |
| goto hdac_bus_unmap; | |
| } | |
| sdev->mmio_bar = HDA_DSP_BAR; | |
| sdev->mailbox_bar = HDA_DSP_BAR; | |
| /* allow 64bit DMA address if supported by H/W */ | |
| if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { | |
| dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); | |
| dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); | |
| } | |
| dma_set_max_seg_size(&pci->dev, UINT_MAX); | |
| /* init streams */ | |
| ret = hda_dsp_stream_init(sdev); | |
| if (ret < 0) { | |
| dev_err(sdev->dev, "error: failed to init streams\n"); | |
| /* | |
| * not all errors are due to memory issues, but trying | |
| * to free everything does not harm | |
| */ | |
| goto free_streams; | |
| } | |
| /* | |
| * register our IRQ | |
| * let's try to enable msi firstly | |
| * if it fails, use legacy interrupt mode | |
| * TODO: support msi multiple vectors | |
| */ | |
| if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { | |
| dev_info(sdev->dev, "use msi interrupt mode\n"); | |
| sdev->ipc_irq = pci_irq_vector(pci, 0); | |
| /* initialised to "false" by kzalloc() */ | |
| sdev->msi_enabled = true; | |
| } | |
| if (!sdev->msi_enabled) { | |
| dev_info(sdev->dev, "use legacy interrupt mode\n"); | |
| /* | |
| * in IO-APIC mode, hda->irq and ipc_irq are using the same | |
| * irq number of pci->irq | |
| */ | |
| sdev->ipc_irq = pci->irq; | |
| } | |
| dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); | |
| ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, | |
| hda_dsp_interrupt_thread, | |
| IRQF_SHARED, "AudioDSP", sdev); | |
| if (ret < 0) { | |
| dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", | |
| sdev->ipc_irq); | |
| goto free_irq_vector; | |
| } | |
| pci_set_master(pci); | |
| synchronize_irq(pci->irq); | |
| /* | |
| * 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); | |
| /* init HDA capabilities */ | |
| ret = hda_init_caps(sdev); | |
| if (ret < 0) | |
| goto free_ipc_irq; | |
| /* enable ppcap interrupt */ | |
| hda_dsp_ctrl_ppcap_enable(sdev, true); | |
| hda_dsp_ctrl_ppcap_int_enable(sdev, true); | |
| /* set default mailbox offset for FW ready message */ | |
| sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; | |
| INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); | |
| return 0; | |
| free_ipc_irq: | |
| free_irq(sdev->ipc_irq, sdev); | |
| free_irq_vector: | |
| if (sdev->msi_enabled) | |
| pci_free_irq_vectors(pci); | |
| free_streams: | |
| hda_dsp_stream_free(sdev); | |
| /* dsp_unmap: not currently used */ | |
| iounmap(sdev->bar[HDA_DSP_BAR]); | |
| hdac_bus_unmap: | |
| platform_device_unregister(hdev->dmic_dev); | |
| iounmap(bus->remap_addr); | |
| hda_codec_i915_exit(sdev); | |
| err: | |
| return ret; | |
| } | |
| int hda_dsp_remove(struct snd_sof_dev *sdev) | |
| { | |
| 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); | |
| struct pci_dev *pci = to_pci_dev(sdev->dev); | |
| /* cancel any attempt for DSP D0I3 */ | |
| cancel_delayed_work_sync(&hda->d0i3_work); | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| /* codec removal, invoke bus_device_remove */ | |
| snd_hdac_ext_bus_device_remove(bus); | |
| #endif | |
| hda_sdw_exit(sdev); | |
| if (!IS_ERR_OR_NULL(hda->dmic_dev)) | |
| platform_device_unregister(hda->dmic_dev); | |
| /* disable DSP IRQ */ | |
| snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, | |
| SOF_HDA_PPCTL_PIE, 0); | |
| /* disable CIE and GIE interrupts */ | |
| snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, | |
| SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); | |
| /* disable cores */ | |
| if (chip) | |
| hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); | |
| /* disable DSP */ | |
| snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, | |
| SOF_HDA_PPCTL_GPROCEN, 0); | |
| free_irq(sdev->ipc_irq, sdev); | |
| if (sdev->msi_enabled) | |
| pci_free_irq_vectors(pci); | |
| hda_dsp_stream_free(sdev); | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| snd_hdac_link_free_all(bus); | |
| #endif | |
| iounmap(sdev->bar[HDA_DSP_BAR]); | |
| iounmap(bus->remap_addr); | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| snd_hdac_ext_bus_exit(bus); | |
| #endif | |
| hda_codec_i915_exit(sdev); | |
| return 0; | |
| } | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) | |
| static void hda_generic_machine_select(struct snd_sof_dev *sdev, | |
| struct snd_soc_acpi_mach **mach) | |
| { | |
| struct hdac_bus *bus = sof_to_bus(sdev); | |
| struct snd_soc_acpi_mach_params *mach_params; | |
| struct snd_soc_acpi_mach *hda_mach; | |
| struct snd_sof_pdata *pdata = sdev->pdata; | |
| const char *tplg_filename; | |
| const char *idisp_str; | |
| int dmic_num = 0; | |
| int codec_num = 0; | |
| int ret; | |
| int i; | |
| /* codec detection */ | |
| if (!bus->codec_mask) { | |
| dev_info(bus->dev, "no hda codecs found!\n"); | |
| } else { | |
| dev_info(bus->dev, "hda codecs found, mask %lx\n", | |
| bus->codec_mask); | |
| for (i = 0; i < HDA_MAX_CODECS; i++) { | |
| if (bus->codec_mask & (1 << i)) | |
| codec_num++; | |
| } | |
| /* | |
| * If no machine driver is found, then: | |
| * | |
| * generic hda machine driver can handle: | |
| * - one HDMI codec, and/or | |
| * - one external HDAudio codec | |
| */ | |
| if (!*mach && codec_num <= 2) { | |
| hda_mach = snd_soc_acpi_intel_hda_machines; | |
| dev_info(bus->dev, "using HDA machine driver %s now\n", | |
| hda_mach->drv_name); | |
| if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) | |
| idisp_str = "-idisp"; | |
| else | |
| idisp_str = ""; | |
| /* topology: use the info from hda_machines */ | |
| tplg_filename = hda_mach->sof_tplg_filename; | |
| ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); | |
| if (ret < 0) | |
| return; | |
| hda_mach->mach_params.dmic_num = dmic_num; | |
| pdata->tplg_filename = tplg_filename; | |
| if (codec_num == 2) { | |
| /* | |
| * Prevent SoundWire links from starting when an external | |
| * HDaudio codec is used | |
| */ | |
| hda_mach->mach_params.link_mask = 0; | |
| } | |
| *mach = hda_mach; | |
| } | |
| } | |
| /* used by hda machine driver to create dai links */ | |
| if (*mach) { | |
| mach_params = &(*mach)->mach_params; | |
| mach_params->codec_mask = bus->codec_mask; | |
| mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; | |
| } | |
| } | |
| #else | |
| static void hda_generic_machine_select(struct snd_sof_dev *sdev, | |
| struct snd_soc_acpi_mach **mach) | |
| { | |
| } | |
| #endif | |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) | |
| #define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \ | |
| SDW_MFG_ID_MASK | SDW_PART_ID_MASK)) | |
| /* Check if all Slaves defined on the link can be found */ | |
| static bool link_slaves_found(struct snd_sof_dev *sdev, | |
| const struct snd_soc_acpi_link_adr *link, | |
| struct sdw_intel_ctx *sdw) | |
| { | |
| struct hdac_bus *bus = sof_to_bus(sdev); | |
| struct sdw_intel_slave_id *ids = sdw->ids; | |
| int num_slaves = sdw->num_slaves; | |
| unsigned int part_id, link_id, unique_id, mfg_id, version; | |
| int i, j, k; | |
| for (i = 0; i < link->num_adr; i++) { | |
| u64 adr = link->adr_d[i].adr; | |
| int reported_part_count = 0; | |
| mfg_id = SDW_MFG_ID(adr); | |
| part_id = SDW_PART_ID(adr); | |
| link_id = SDW_DISCO_LINK_ID(adr); | |
| version = SDW_VERSION(adr); | |
| for (j = 0; j < num_slaves; j++) { | |
| /* find out how many identical parts were reported on that link */ | |
| if (ids[j].link_id == link_id && | |
| ids[j].id.part_id == part_id && | |
| ids[j].id.mfg_id == mfg_id && | |
| ids[j].id.sdw_version == version) | |
| reported_part_count++; | |
| } | |
| for (j = 0; j < num_slaves; j++) { | |
| int expected_part_count = 0; | |
| if (ids[j].link_id != link_id || | |
| ids[j].id.part_id != part_id || | |
| ids[j].id.mfg_id != mfg_id || | |
| ids[j].id.sdw_version != version) | |
| continue; | |
| /* find out how many identical parts are expected */ | |
| for (k = 0; k < link->num_adr; k++) { | |
| u64 adr2 = link->adr_d[k].adr; | |
| if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr)) | |
| expected_part_count++; | |
| } | |
| if (reported_part_count == expected_part_count) { | |
| /* | |
| * we have to check unique id | |
| * if there is more than one | |
| * Slave on the link | |
| */ | |
| unique_id = SDW_UNIQUE_ID(adr); | |
| if (reported_part_count == 1 || | |
| ids[j].id.unique_id == unique_id) { | |
| dev_dbg(bus->dev, "found %x at link %d\n", | |
| part_id, link_id); | |
| break; | |
| } | |
| } else { | |
| dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", | |
| part_id, reported_part_count, expected_part_count, link_id); | |
| } | |
| } | |
| if (j == num_slaves) { | |
| dev_dbg(bus->dev, | |
| "Slave %x not found\n", | |
| part_id); | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) | |
| { | |
| struct snd_sof_pdata *pdata = sdev->pdata; | |
| const struct snd_soc_acpi_link_adr *link; | |
| struct snd_soc_acpi_mach *mach; | |
| struct sof_intel_hda_dev *hdev; | |
| u32 link_mask; | |
| int i; | |
| hdev = pdata->hw_pdata; | |
| link_mask = hdev->info.link_mask; | |
| /* | |
| * Select SoundWire machine driver if needed using the | |
| * alternate tables. This case deals with SoundWire-only | |
| * machines, for mixed cases with I2C/I2S the detection relies | |
| * on the HID list. | |
| */ | |
| if (link_mask) { | |
| for (mach = pdata->desc->alt_machines; | |
| mach && mach->link_mask; mach++) { | |
| /* | |
| * On some platforms such as Up Extreme all links | |
| * are enabled but only one link can be used by | |
| * external codec. Instead of exact match of two masks, | |
| * first check whether link_mask of mach is subset of | |
| * link_mask supported by hw and then go on searching | |
| * link_adr | |
| */ | |
| if (~link_mask & mach->link_mask) | |
| continue; | |
| /* No need to match adr if there is no links defined */ | |
| if (!mach->links) | |
| break; | |
| link = mach->links; | |
| for (i = 0; i < hdev->info.count && link->num_adr; | |
| i++, link++) { | |
| /* | |
| * Try next machine if any expected Slaves | |
| * are not found on this link. | |
| */ | |
| if (!link_slaves_found(sdev, link, hdev->sdw)) | |
| break; | |
| } | |
| /* Found if all Slaves are checked */ | |
| if (i == hdev->info.count || !link->num_adr) | |
| break; | |
| } | |
| if (mach && mach->link_mask) { | |
| int dmic_num = 0; | |
| mach->mach_params.links = mach->links; | |
| mach->mach_params.link_mask = mach->link_mask; | |
| mach->mach_params.platform = dev_name(sdev->dev); | |
| pdata->fw_filename = pdata->desc->default_fw_filename; | |
| pdata->tplg_filename = mach->sof_tplg_filename; | |
| /* | |
| * DMICs use up to 4 pins and are typically pin-muxed with SoundWire | |
| * link 2 and 3, thus we only try to enable dmics if all conditions | |
| * are true: | |
| * a) link 2 and 3 are not used by SoundWire | |
| * b) the NHLT table reports the presence of microphones | |
| */ | |
| if (!(mach->link_mask & GENMASK(3, 2))) { | |
| const char *tplg_filename = mach->sof_tplg_filename; | |
| int ret; | |
| ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); | |
| if (ret < 0) | |
| return NULL; | |
| pdata->tplg_filename = tplg_filename; | |
| } | |
| mach->mach_params.dmic_num = dmic_num; | |
| dev_dbg(sdev->dev, | |
| "SoundWire machine driver %s topology %s\n", | |
| mach->drv_name, | |
| pdata->tplg_filename); | |
| return mach; | |
| } | |
| dev_info(sdev->dev, "No SoundWire machine driver found\n"); | |
| } | |
| return NULL; | |
| } | |
| #else | |
| static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) | |
| { | |
| return NULL; | |
| } | |
| #endif | |
| void hda_set_mach_params(struct snd_soc_acpi_mach *mach, | |
| struct snd_sof_dev *sdev) | |
| { | |
| struct snd_sof_pdata *pdata = sdev->pdata; | |
| const struct sof_dev_desc *desc = pdata->desc; | |
| struct snd_soc_acpi_mach_params *mach_params; | |
| mach_params = &mach->mach_params; | |
| mach_params->platform = dev_name(sdev->dev); | |
| mach_params->num_dai_drivers = desc->ops->num_drv; | |
| mach_params->dai_drivers = desc->ops->drv; | |
| } | |
| struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev) | |
| { | |
| struct snd_sof_pdata *sof_pdata = sdev->pdata; | |
| const struct sof_dev_desc *desc = sof_pdata->desc; | |
| struct snd_soc_acpi_mach *mach; | |
| const char *tplg_filename; | |
| mach = snd_soc_acpi_find_machine(desc->machines); | |
| if (mach) { | |
| bool add_extension = false; | |
| /* | |
| * If tplg file name is overridden, use it instead of | |
| * the one set in mach table | |
| */ | |
| if (!sof_pdata->tplg_filename) | |
| sof_pdata->tplg_filename = mach->sof_tplg_filename; | |
| /* report to machine driver if any DMICs are found */ | |
| mach->mach_params.dmic_num = check_dmic_num(sdev); | |
| if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER && | |
| mach->mach_params.dmic_num) { | |
| tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, | |
| "%s%s%d%s", | |
| sof_pdata->tplg_filename, | |
| "-dmic", | |
| mach->mach_params.dmic_num, | |
| "ch"); | |
| if (!tplg_filename) | |
| return NULL; | |
| sof_pdata->tplg_filename = tplg_filename; | |
| add_extension = true; | |
| } | |
| if (mach->link_mask) { | |
| mach->mach_params.links = mach->links; | |
| mach->mach_params.link_mask = mach->link_mask; | |
| } | |
| /* report SSP link mask to machine driver */ | |
| mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev); | |
| if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER && | |
| mach->mach_params.i2s_link_mask) { | |
| int ssp_num; | |
| if (hweight_long(mach->mach_params.i2s_link_mask) > 1 && | |
| !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB)) | |
| dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n"); | |
| /* fls returns 1-based results, SSPs indices are 0-based */ | |
| ssp_num = fls(mach->mach_params.i2s_link_mask) - 1; | |
| tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, | |
| "%s%s%d", | |
| sof_pdata->tplg_filename, | |
| "-ssp", | |
| ssp_num); | |
| if (!tplg_filename) | |
| return NULL; | |
| sof_pdata->tplg_filename = tplg_filename; | |
| add_extension = true; | |
| } | |
| if (add_extension) { | |
| tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, | |
| "%s%s", | |
| sof_pdata->tplg_filename, | |
| ".tplg"); | |
| if (!tplg_filename) | |
| return NULL; | |
| sof_pdata->tplg_filename = tplg_filename; | |
| } | |
| } | |
| /* | |
| * If I2S fails, try SoundWire | |
| */ | |
| if (!mach) | |
| mach = hda_sdw_machine_select(sdev); | |
| /* | |
| * Choose HDA generic machine driver if mach is NULL. | |
| * Otherwise, set certain mach params. | |
| */ | |
| hda_generic_machine_select(sdev, &mach); | |
| if (!mach) | |
| dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); | |
| return mach; | |
| } | |
| int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) | |
| { | |
| int ret; | |
| ret = snd_intel_dsp_driver_probe(pci); | |
| if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { | |
| dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); | |
| return -ENODEV; | |
| } | |
| return sof_pci_probe(pci, pci_id); | |
| } | |
| EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); | |
| int hda_register_clients(struct snd_sof_dev *sdev) | |
| { | |
| return hda_probes_register(sdev); | |
| } | |
| void hda_unregister_clients(struct snd_sof_dev *sdev) | |
| { | |
| hda_probes_unregister(sdev); | |
| } | |
| MODULE_LICENSE("Dual BSD/GPL"); | |
| MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); | |
| MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); | |
| MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); | |
| MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); | |
| MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); | |
| MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); |