| // SPDX-License-Identifier: (GPL-2.0 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-nhlt.h> |
| #include <sound/sof.h> |
| #include <sound/sof/xtensa.h> |
| #include "../sof-audio.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 |
| |
| #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_sof_dev *sdev = dev_get_drvdata(dev); |
| struct snd_soc_dai *d = params_data->dai; |
| struct sof_ipc_dai_config config; |
| struct sof_ipc_reply reply; |
| int link_id = params_data->link_id; |
| int alh_stream_id = params_data->alh_stream_id; |
| int ret; |
| u32 size = sizeof(config); |
| |
| memset(&config, 0, size); |
| config.hdr.size = size; |
| config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; |
| config.type = SOF_DAI_INTEL_ALH; |
| config.dai_index = (link_id << 8) | (d->id); |
| config.alh.stream_id = alh_stream_id; |
| |
| /* send message to DSP */ |
| ret = sof_ipc_tx_message(sdev->ipc, |
| config.hdr.cmd, &config, size, &reply, |
| sizeof(reply)); |
| if (ret < 0) { |
| dev_err(sdev->dev, |
| "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n", |
| link_id, d->id, alh_stream_id); |
| } |
| |
| return ret; |
| } |
| |
| static int sdw_free_stream(struct device *dev, |
| struct sdw_intel_stream_free_data *free_data) |
| { |
| struct snd_sof_dev *sdev = dev_get_drvdata(dev); |
| struct snd_soc_dai *d = free_data->dai; |
| struct sof_ipc_dai_config config; |
| struct sof_ipc_reply reply; |
| int link_id = free_data->link_id; |
| int ret; |
| u32 size = sizeof(config); |
| |
| memset(&config, 0, size); |
| config.hdr.size = size; |
| config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; |
| config.type = SOF_DAI_INTEL_ALH; |
| config.dai_index = (link_id << 8) | d->id; |
| config.alh.stream_id = 0xFFFF; /* invalid value on purpose */ |
| |
| /* send message to DSP */ |
| ret = sof_ipc_tx_message(sdev->ipc, |
| config.hdr.cmd, &config, size, &reply, |
| sizeof(reply)); |
| if (ret < 0) { |
| dev_err(sdev->dev, |
| "error: failed to free stream for link %d dai->id %d\n", |
| link_id, d->id); |
| } |
| |
| return ret; |
| } |
| |
| 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) { |
| dev_err(sdev->dev, "%s failed\n", __func__); |
| 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.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; |
| |
| hdev = sdev->pdata->hw_pdata; |
| |
| if (!hdev->sdw) |
| 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; |
| } |
| |
| static bool hda_dsp_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 irqreturn_t hda_dsp_sdw_thread(int irq, void *context) |
| { |
| return sdw_intel_thread(irq, context); |
| } |
| |
| 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); |
| } |
| |
| #endif |
| |
| /* |
| * Debug |
| */ |
| |
| struct hda_dsp_msg_code { |
| u32 code; |
| const char *msg; |
| }; |
| |
| static bool hda_use_msi = IS_ENABLED(CONFIG_PCI); |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) |
| module_param_named(use_msi, hda_use_msi, bool, 0444); |
| MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); |
| #endif |
| |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
| static int hda_dmic_num = -1; |
| module_param_named(dmic_num, hda_dmic_num, int, 0444); |
| MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); |
| |
| 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_skl(struct snd_sof_dev *sdev) |
| { |
| u32 status; |
| int i; |
| |
| status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
| HDA_ADSP_FW_STATUS_SKL); |
| |
| for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { |
| if (status == hda_dsp_rom_msg[i].code) { |
| dev_err(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_status(struct snd_sof_dev *sdev) |
| { |
| 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_err(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)); |
| } |
| |
| void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags) |
| { |
| struct sof_ipc_dsp_oops_xtensa xoops; |
| struct sof_ipc_panic_info panic_info; |
| u32 stack[HDA_DSP_STACK_DUMP_SIZE]; |
| u32 status, panic; |
| |
| /* try APL specific status message types first */ |
| hda_dsp_get_status_skl(sdev); |
| |
| /* now try generic SOF status messages */ |
| status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
| HDA_ADSP_ERROR_CODE_SKL); |
| |
| /*TODO: Check: there is no define in spec, but it is used in the code*/ |
| panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
| HDA_ADSP_ERROR_CODE_SKL + 0x4); |
| |
| if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { |
| hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, |
| HDA_DSP_STACK_DUMP_SIZE); |
| snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, |
| stack, HDA_DSP_STACK_DUMP_SIZE); |
| } else { |
| dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n", |
| status, panic); |
| hda_dsp_get_status_skl(sdev); |
| } |
| } |
| |
| void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) |
| { |
| struct sof_ipc_dsp_oops_xtensa xoops; |
| struct sof_ipc_panic_info panic_info; |
| u32 stack[HDA_DSP_STACK_DUMP_SIZE]; |
| u32 status, panic; |
| |
| /* try APL specific status message types first */ |
| hda_dsp_get_status(sdev); |
| |
| /* now try generic SOF status messages */ |
| status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, |
| HDA_DSP_SRAM_REG_FW_STATUS); |
| panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); |
| |
| if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { |
| hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, |
| HDA_DSP_STACK_DUMP_SIZE); |
| snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, |
| stack, HDA_DSP_STACK_DUMP_SIZE); |
| } else { |
| dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n", |
| status, panic); |
| hda_dsp_get_status(sdev); |
| } |
| } |
| |
| 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, |
| "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", |
| intsts, intctl, rirbsts); |
| dev_err(sdev->dev, |
| "error: 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, |
| "error: 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); |
| |
| 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 = "sofbus"; |
| |
| /* initialise hdac bus */ |
| bus->addr = pci_resource_start(pci, 0); |
| #if IS_ENABLED(CONFIG_PCI) |
| bus->remap_addr = pci_ioremap_bar(pci, 0); |
| #endif |
| 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; |
| } |
| |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) |
| |
| static int check_nhlt_dmic(struct snd_sof_dev *sdev) |
| { |
| struct nhlt_acpi_table *nhlt; |
| int dmic_num; |
| |
| nhlt = intel_nhlt_init(sdev->dev); |
| if (nhlt) { |
| dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); |
| intel_nhlt_free(nhlt); |
| if (dmic_num == 2 || dmic_num == 4) |
| return dmic_num; |
| } |
| |
| return 0; |
| } |
| |
| 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; |
| char *split_ext; |
| |
| filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL); |
| if (!filename) |
| return NULL; |
| |
| /* this assumes a .tplg extension */ |
| split_ext = strsep(&filename, "."); |
| if (split_ext) { |
| tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, |
| "%s%s%s.tplg", |
| split_ext, idisp_str, dmic_str); |
| if (!tplg_filename) |
| return NULL; |
| } |
| return tplg_filename; |
| } |
| |
| #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; |
| |
| device_disable_async_suspend(bus->dev); |
| |
| /* 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, ACPI scan error\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 const struct sof_intel_dsp_desc |
| *get_chip_info(struct snd_sof_pdata *pdata) |
| { |
| const struct sof_dev_desc *desc = pdata->desc; |
| const struct sof_intel_dsp_desc *chip_info; |
| |
| chip_info = desc->chip_info; |
| |
| return chip_info; |
| } |
| |
| 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); |
| |
| /* 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; |
| } |
| |
| 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 */ |
| #if IS_ENABLED(CONFIG_PCI) |
| sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); |
| #endif |
| 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(&pci->dev, DMA_BIT_MASK(64))) { |
| dev_dbg(sdev->dev, "DMA mask is 64 bit\n"); |
| dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(64)); |
| } else { |
| dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); |
| dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); |
| dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32)); |
| } |
| |
| /* 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: |
| 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; |
| struct hdac_bus *bus = sof_to_bus(sdev); |
| struct pci_dev *pci = to_pci_dev(sdev->dev); |
| const struct sof_intel_dsp_desc *chip = hda->desc; |
| |
| /* 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->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 int hda_generic_machine_select(struct snd_sof_dev *sdev) |
| { |
| 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; |
| const char *dmic_str; |
| int dmic_num = 0; |
| int codec_num = 0; |
| 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 (!pdata->machine && codec_num <= 2) { |
| hda_mach = snd_soc_acpi_intel_hda_machines; |
| |
| /* topology: use the info from hda_machines */ |
| pdata->tplg_filename = |
| hda_mach->sof_tplg_filename; |
| |
| 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 = ""; |
| |
| /* first check NHLT for DMICs */ |
| dmic_num = check_nhlt_dmic(sdev); |
| |
| /* allow for module parameter override */ |
| if (hda_dmic_num != -1) |
| dmic_num = hda_dmic_num; |
| |
| switch (dmic_num) { |
| case 2: |
| dmic_str = "-2ch"; |
| break; |
| case 4: |
| dmic_str = "-4ch"; |
| break; |
| default: |
| dmic_num = 0; |
| dmic_str = ""; |
| break; |
| } |
| |
| tplg_filename = pdata->tplg_filename; |
| tplg_filename = fixup_tplg_name(sdev, tplg_filename, |
| idisp_str, dmic_str); |
| if (!tplg_filename) |
| return -EINVAL; |
| |
| pdata->machine = hda_mach; |
| pdata->tplg_filename = tplg_filename; |
| } |
| } |
| |
| /* used by hda machine driver to create dai links */ |
| if (pdata->machine) { |
| mach_params = (struct snd_soc_acpi_mach_params *) |
| &pdata->machine->mach_params; |
| mach_params->codec_mask = bus->codec_mask; |
| mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; |
| mach_params->dmic_num = dmic_num; |
| } |
| |
| return 0; |
| } |
| #else |
| static int hda_generic_machine_select(struct snd_sof_dev *sdev) |
| { |
| return 0; |
| } |
| #endif |
| |
| #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) |
| /* 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; |
| int i, j; |
| |
| for (i = 0; i < link->num_adr; i++) { |
| u64 adr = link->adr_d[i].adr; |
| |
| mfg_id = SDW_MFG_ID(adr); |
| part_id = SDW_PART_ID(adr); |
| link_id = SDW_DISCO_LINK_ID(adr); |
| for (j = 0; j < num_slaves; j++) { |
| if (ids[j].link_id != link_id || |
| ids[j].id.part_id != part_id || |
| ids[j].id.mfg_id != mfg_id) |
| continue; |
| /* |
| * we have to check unique id |
| * if there is more than one |
| * Slave on the link |
| */ |
| unique_id = SDW_UNIQUE_ID(adr); |
| if (link->num_adr == 1 || |
| ids[j].id.unique_id == SDW_IGNORED_UNIQUE_ID || |
| ids[j].id.unique_id == unique_id) { |
| dev_dbg(bus->dev, |
| "found %x at link %d\n", |
| part_id, link_id); |
| break; |
| } |
| } |
| if (j == num_slaves) { |
| dev_dbg(bus->dev, |
| "Slave %x not found\n", |
| part_id); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| static int 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 hdac_bus *bus = sof_to_bus(sdev); |
| 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 && !pdata->machine) { |
| for (mach = pdata->desc->alt_machines; |
| mach && mach->link_mask; mach++) { |
| if (mach->link_mask != 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) { |
| dev_dbg(bus->dev, |
| "SoundWire machine driver %s topology %s\n", |
| mach->drv_name, |
| mach->sof_tplg_filename); |
| pdata->machine = mach; |
| 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 = mach->sof_fw_filename; |
| pdata->tplg_filename = mach->sof_tplg_filename; |
| } else { |
| dev_info(sdev->dev, |
| "No SoundWire machine driver found\n"); |
| } |
| } |
| |
| return 0; |
| } |
| #else |
| static int hda_sdw_machine_select(struct snd_sof_dev *sdev) |
| { |
| return 0; |
| } |
| #endif |
| |
| void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, |
| struct device *dev) |
| { |
| struct snd_soc_acpi_mach_params *mach_params; |
| |
| mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; |
| mach_params->platform = dev_name(dev); |
| } |
| |
| void 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; |
| |
| mach = snd_soc_acpi_find_machine(desc->machines); |
| if (mach) { |
| sof_pdata->tplg_filename = mach->sof_tplg_filename; |
| sof_pdata->machine = mach; |
| |
| if (mach->link_mask) { |
| mach->mach_params.links = mach->links; |
| mach->mach_params.link_mask = mach->link_mask; |
| } |
| } |
| |
| /* |
| * If I2S fails, try SoundWire |
| */ |
| hda_sdw_machine_select(sdev); |
| |
| /* |
| * Choose HDA generic machine driver if mach is NULL. |
| * Otherwise, set certain mach params. |
| */ |
| hda_generic_machine_select(sdev); |
| |
| if (!sof_pdata->machine) |
| dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); |
| } |
| |
| MODULE_LICENSE("Dual BSD/GPL"); |
| 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); |