1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
8 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 // Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
10 // Rander Wang <rander.wang@intel.com>
11 // Keyon Jie <yang.jie@linux.intel.com>
15 * Hardware interface for generic Intel audio DSP HDA IP
18 #include <sound/hdaudio_ext.h>
19 #include <sound/hda_register.h>
21 #include <linux/module.h>
22 #include <sound/intel-nhlt.h>
23 #include <sound/sof.h>
24 #include <sound/sof/xtensa.h>
28 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
29 #include <sound/soc-acpi-intel-match.h>
32 /* platform specific devices */
35 #define EXCEPT_MAX_HDR_SIZE 0x400
41 struct hda_dsp_msg_code {
46 static bool hda_use_msi = IS_ENABLED(CONFIG_PCI);
47 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)
48 module_param_named(use_msi, hda_use_msi, bool, 0444);
49 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode");
52 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
53 static int hda_dmic_num = -1;
54 module_param_named(dmic_num, hda_dmic_num, int, 0444);
55 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
57 static bool hda_codec_use_common_hdmi =
58 IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_COMMON_HDMI_CODEC);
59 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
60 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
63 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
64 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"},
65 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"},
66 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"},
67 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"},
68 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"},
69 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"},
70 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"},
71 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"},
72 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"},
73 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"},
74 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"},
75 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"},
76 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"},
77 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"},
78 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"},
79 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"},
80 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"},
81 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"},
82 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"},
85 static void hda_dsp_get_status_skl(struct snd_sof_dev *sdev)
90 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
91 HDA_ADSP_FW_STATUS_SKL);
93 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
94 if (status == hda_dsp_rom_msg[i].code) {
95 dev_err(sdev->dev, "%s - code %8.8x\n",
96 hda_dsp_rom_msg[i].msg, status);
101 /* not for us, must be generic sof message */
102 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
105 static void hda_dsp_get_status(struct snd_sof_dev *sdev)
110 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
111 HDA_DSP_SRAM_REG_ROM_STATUS);
113 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
114 if (status == hda_dsp_rom_msg[i].code) {
115 dev_err(sdev->dev, "%s - code %8.8x\n",
116 hda_dsp_rom_msg[i].msg, status);
121 /* not for us, must be generic sof message */
122 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status);
125 static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
126 struct sof_ipc_dsp_oops_xtensa *xoops,
127 struct sof_ipc_panic_info *panic_info,
128 u32 *stack, size_t stack_words)
130 u32 offset = sdev->dsp_oops_offset;
132 /* first read registers */
133 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
135 /* note: variable AR register array is not read */
137 /* then get panic info */
138 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
139 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
140 xoops->arch_hdr.totalsize);
143 offset += xoops->arch_hdr.totalsize;
144 sof_block_read(sdev, sdev->mmio_bar, offset,
145 panic_info, sizeof(*panic_info));
147 /* then get the stack */
148 offset += sizeof(*panic_info);
149 sof_block_read(sdev, sdev->mmio_bar, offset, stack,
150 stack_words * sizeof(u32));
153 void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags)
155 struct sof_ipc_dsp_oops_xtensa xoops;
156 struct sof_ipc_panic_info panic_info;
157 u32 stack[HDA_DSP_STACK_DUMP_SIZE];
160 /* try APL specific status message types first */
161 hda_dsp_get_status_skl(sdev);
163 /* now try generic SOF status messages */
164 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
165 HDA_ADSP_ERROR_CODE_SKL);
167 /*TODO: Check: there is no define in spec, but it is used in the code*/
168 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
169 HDA_ADSP_ERROR_CODE_SKL + 0x4);
171 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
172 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
173 HDA_DSP_STACK_DUMP_SIZE);
174 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
175 stack, HDA_DSP_STACK_DUMP_SIZE);
177 dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
179 hda_dsp_get_status_skl(sdev);
183 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
185 struct sof_ipc_dsp_oops_xtensa xoops;
186 struct sof_ipc_panic_info panic_info;
187 u32 stack[HDA_DSP_STACK_DUMP_SIZE];
190 /* try APL specific status message types first */
191 hda_dsp_get_status(sdev);
193 /* now try generic SOF status messages */
194 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
195 HDA_DSP_SRAM_REG_FW_STATUS);
196 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP);
198 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
199 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack,
200 HDA_DSP_STACK_DUMP_SIZE);
201 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info,
202 stack, HDA_DSP_STACK_DUMP_SIZE);
204 dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n",
206 hda_dsp_get_status(sdev);
210 void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
212 struct hdac_bus *bus = sof_to_bus(sdev);
219 /* read key IRQ stats and config registers */
220 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
221 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
222 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
223 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
224 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
227 "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
228 intsts, intctl, rirbsts);
230 "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
234 void hda_ipc_dump(struct snd_sof_dev *sdev)
240 hda_ipc_irq_dump(sdev);
242 /* read IPC status */
243 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
244 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);
245 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
247 /* dump the IPC regs */
248 /* TODO: parse the raw msg */
250 "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
251 hipcie, hipct, hipcctl);
254 static int hda_init(struct snd_sof_dev *sdev)
256 struct hda_bus *hbus;
257 struct hdac_bus *bus;
258 struct pci_dev *pci = to_pci_dev(sdev->dev);
261 hbus = sof_to_hbus(sdev);
262 bus = sof_to_bus(sdev);
265 sof_hda_bus_init(bus, &pci->dev);
268 bus->bdl_pos_adj = 0;
271 mutex_init(&hbus->prepare_mutex);
273 hbus->mixer_assigned = -1;
274 hbus->modelname = "sofbus";
276 /* initialise hdac bus */
277 bus->addr = pci_resource_start(pci, 0);
278 #if IS_ENABLED(CONFIG_PCI)
279 bus->remap_addr = pci_ioremap_bar(pci, 0);
281 if (!bus->remap_addr) {
282 dev_err(bus->dev, "error: ioremap error\n");
287 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr;
289 /* get controller capabilities */
290 ret = hda_dsp_ctrl_get_caps(sdev);
292 dev_err(sdev->dev, "error: get caps error\n");
297 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
299 static int check_nhlt_dmic(struct snd_sof_dev *sdev)
301 struct nhlt_acpi_table *nhlt;
304 nhlt = intel_nhlt_init(sdev->dev);
306 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt);
307 intel_nhlt_free(nhlt);
308 if (dmic_num == 2 || dmic_num == 4)
315 static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
316 const char *sof_tplg_filename,
317 const char *idisp_str,
318 const char *dmic_str)
320 const char *tplg_filename = NULL;
324 filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL);
328 /* this assumes a .tplg extension */
329 split_ext = strsep(&filename, ".");
331 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
333 split_ext, idisp_str, dmic_str);
337 return tplg_filename;
342 static int hda_init_caps(struct snd_sof_dev *sdev)
344 struct hdac_bus *bus = sof_to_bus(sdev);
345 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
346 struct hdac_ext_link *hlink;
350 device_disable_async_suspend(bus->dev);
352 /* check if dsp is there */
354 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");
356 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
357 /* init i915 and HDMI codecs */
358 ret = hda_codec_i915_init(sdev);
360 dev_err(sdev->dev, "error: init i915 and HDMI codec failed\n");
365 /* Init HDA controller after i915 init */
366 ret = hda_dsp_ctrl_init_chip(sdev, true);
368 dev_err(bus->dev, "error: init chip failed with ret: %d\n",
370 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
371 hda_codec_i915_exit(sdev);
376 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
378 snd_hdac_ext_bus_get_ml_capabilities(bus);
380 /* create codec instances */
381 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi);
383 if (!HDA_IDISP_CODEC(bus->codec_mask))
384 hda_codec_i915_display_power(sdev, false);
387 * we are done probing so decrement link counts
389 list_for_each_entry(hlink, &bus->hlink_list, list)
390 snd_hdac_ext_bus_link_put(bus, hlink);
395 static const struct sof_intel_dsp_desc
396 *get_chip_info(struct snd_sof_pdata *pdata)
398 const struct sof_dev_desc *desc = pdata->desc;
399 const struct sof_intel_dsp_desc *chip_info;
401 chip_info = desc->chip_info;
406 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context)
408 struct snd_sof_dev *sdev = context;
411 * Get global interrupt status. It includes all hardware interrupt
412 * sources in the Intel HD Audio controller.
414 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) &
415 SOF_HDA_INTSTS_GIS) {
417 /* disable GIE interrupt */
418 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
420 SOF_HDA_INT_GLOBAL_EN,
423 return IRQ_WAKE_THREAD;
429 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
431 struct snd_sof_dev *sdev = context;
433 /* deal with streams and controller first */
434 if (hda_dsp_check_stream_irq(sdev))
435 hda_dsp_stream_threaded_handler(irq, sdev);
437 if (hda_dsp_check_ipc_irq(sdev))
438 sof_ops(sdev)->irq_thread(irq, sdev);
440 /* enable GIE interrupt */
441 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
443 SOF_HDA_INT_GLOBAL_EN,
444 SOF_HDA_INT_GLOBAL_EN);
449 int hda_dsp_probe(struct snd_sof_dev *sdev)
451 struct pci_dev *pci = to_pci_dev(sdev->dev);
452 struct sof_intel_hda_dev *hdev;
453 struct hdac_bus *bus;
454 const struct sof_intel_dsp_desc *chip;
458 * detect DSP by checking class/subclass/prog-id information
459 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required
460 * class=04 subclass 01 prog-if 00: DSP is present
461 * (and may be required e.g. for DMIC or SSP support)
462 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works
464 if (pci->class == 0x040300) {
465 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n");
467 } else if (pci->class != 0x040100 && pci->class != 0x040380) {
468 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class);
471 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class);
473 chip = get_chip_info(sdev->pdata);
475 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n",
481 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
484 sdev->pdata->hw_pdata = hdev;
487 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec",
490 if (IS_ERR(hdev->dmic_dev)) {
491 dev_err(sdev->dev, "error: failed to create DMIC device\n");
492 return PTR_ERR(hdev->dmic_dev);
496 * use position update IPC if either it is forced
497 * or we don't have other choice
499 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION)
500 hdev->no_ipc_position = 0;
502 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0;
505 /* set up HDA base */
506 bus = sof_to_bus(sdev);
507 ret = hda_init(sdev);
512 #if IS_ENABLED(CONFIG_PCI)
513 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
515 if (!sdev->bar[HDA_DSP_BAR]) {
516 dev_err(sdev->dev, "error: ioremap error\n");
521 sdev->mmio_bar = HDA_DSP_BAR;
522 sdev->mailbox_bar = HDA_DSP_BAR;
524 /* allow 64bit DMA address if supported by H/W */
525 if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(64))) {
526 dev_dbg(sdev->dev, "DMA mask is 64 bit\n");
527 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(64));
529 dev_dbg(sdev->dev, "DMA mask is 32 bit\n");
530 dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
531 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
535 ret = hda_dsp_stream_init(sdev);
537 dev_err(sdev->dev, "error: failed to init streams\n");
539 * not all errors are due to memory issues, but trying
540 * to free everything does not harm
547 * let's try to enable msi firstly
548 * if it fails, use legacy interrupt mode
549 * TODO: support msi multiple vectors
551 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) {
552 dev_info(sdev->dev, "use msi interrupt mode\n");
553 sdev->ipc_irq = pci_irq_vector(pci, 0);
554 /* initialised to "false" by kzalloc() */
555 sdev->msi_enabled = true;
558 if (!sdev->msi_enabled) {
559 dev_info(sdev->dev, "use legacy interrupt mode\n");
561 * in IO-APIC mode, hda->irq and ipc_irq are using the same
562 * irq number of pci->irq
564 sdev->ipc_irq = pci->irq;
567 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq);
568 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler,
569 hda_dsp_interrupt_thread,
570 IRQF_SHARED, "AudioDSP", sdev);
572 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n",
574 goto free_irq_vector;
578 synchronize_irq(pci->irq);
581 * clear TCSEL to clear playback on some HD Audio
582 * codecs. PCI TCSEL is defined in the Intel manuals.
584 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0);
586 /* init HDA capabilities */
587 ret = hda_init_caps(sdev);
591 /* enable ppcap interrupt */
592 hda_dsp_ctrl_ppcap_enable(sdev, true);
593 hda_dsp_ctrl_ppcap_int_enable(sdev, true);
595 /* initialize waitq for code loading */
596 init_waitqueue_head(&sdev->waitq);
598 /* set default mailbox offset for FW ready message */
599 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET;
604 free_irq(sdev->ipc_irq, sdev);
606 if (sdev->msi_enabled)
607 pci_free_irq_vectors(pci);
609 hda_dsp_stream_free(sdev);
610 /* dsp_unmap: not currently used */
611 iounmap(sdev->bar[HDA_DSP_BAR]);
613 iounmap(bus->remap_addr);
618 int hda_dsp_remove(struct snd_sof_dev *sdev)
620 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
621 struct hdac_bus *bus = sof_to_bus(sdev);
622 struct pci_dev *pci = to_pci_dev(sdev->dev);
623 const struct sof_intel_dsp_desc *chip = hda->desc;
625 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
626 /* codec removal, invoke bus_device_remove */
627 snd_hdac_ext_bus_device_remove(bus);
630 if (!IS_ERR_OR_NULL(hda->dmic_dev))
631 platform_device_unregister(hda->dmic_dev);
633 /* disable DSP IRQ */
634 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
635 SOF_HDA_PPCTL_PIE, 0);
637 /* disable CIE and GIE interrupts */
638 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
639 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0);
643 hda_dsp_core_reset_power_down(sdev, chip->cores_mask);
646 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
647 SOF_HDA_PPCTL_GPROCEN, 0);
649 free_irq(sdev->ipc_irq, sdev);
650 if (sdev->msi_enabled)
651 pci_free_irq_vectors(pci);
653 hda_dsp_stream_free(sdev);
654 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
655 snd_hdac_link_free_all(bus);
658 iounmap(sdev->bar[HDA_DSP_BAR]);
659 iounmap(bus->remap_addr);
661 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
662 snd_hdac_ext_bus_exit(bus);
664 hda_codec_i915_exit(sdev);
669 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
670 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
672 struct hdac_bus *bus = sof_to_bus(sdev);
673 struct snd_soc_acpi_mach_params *mach_params;
674 struct snd_soc_acpi_mach *hda_mach;
675 struct snd_sof_pdata *pdata = sdev->pdata;
676 const char *tplg_filename;
677 const char *idisp_str;
678 const char *dmic_str;
683 /* codec detection */
684 if (!bus->codec_mask) {
685 dev_info(bus->dev, "no hda codecs found!\n");
687 dev_info(bus->dev, "hda codecs found, mask %lx\n",
690 for (i = 0; i < HDA_MAX_CODECS; i++) {
691 if (bus->codec_mask & (1 << i))
696 * If no machine driver is found, then:
698 * hda machine driver is used if :
699 * 1. there is one HDMI codec and one external HDAudio codec
702 if (!pdata->machine && codec_num <= 2 &&
703 HDA_IDISP_CODEC(bus->codec_mask)) {
704 hda_mach = snd_soc_acpi_intel_hda_machines;
706 /* topology: use the info from hda_machines */
707 pdata->tplg_filename =
708 hda_mach->sof_tplg_filename;
710 dev_info(bus->dev, "using HDA machine driver %s now\n",
714 idisp_str = "-idisp";
718 /* first check NHLT for DMICs */
719 dmic_num = check_nhlt_dmic(sdev);
721 /* allow for module parameter override */
722 if (hda_dmic_num != -1)
723 dmic_num = hda_dmic_num;
738 tplg_filename = pdata->tplg_filename;
739 tplg_filename = fixup_tplg_name(sdev, tplg_filename,
740 idisp_str, dmic_str);
744 pdata->machine = hda_mach;
745 pdata->tplg_filename = tplg_filename;
749 /* used by hda machine driver to create dai links */
750 if (pdata->machine) {
751 mach_params = (struct snd_soc_acpi_mach_params *)
752 &pdata->machine->mach_params;
753 mach_params->codec_mask = bus->codec_mask;
754 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
755 mach_params->dmic_num = dmic_num;
761 static int hda_generic_machine_select(struct snd_sof_dev *sdev)
767 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach,
770 struct snd_soc_acpi_mach_params *mach_params;
772 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params;
773 mach_params->platform = dev_name(dev);
776 void hda_machine_select(struct snd_sof_dev *sdev)
778 struct snd_sof_pdata *sof_pdata = sdev->pdata;
779 const struct sof_dev_desc *desc = sof_pdata->desc;
780 struct snd_soc_acpi_mach *mach;
782 mach = snd_soc_acpi_find_machine(desc->machines);
784 sof_pdata->tplg_filename = mach->sof_tplg_filename;
785 sof_pdata->machine = mach;
789 * Choose HDA generic machine driver if mach is NULL.
790 * Otherwise, set certain mach params.
792 hda_generic_machine_select(sdev);
794 if (!sof_pdata->machine)
795 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
798 MODULE_LICENSE("Dual BSD/GPL");
799 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC);
800 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
801 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);