1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
12  * Hardware interface for audio DSP on Broadwell
18 #include <sound/soc-acpi.h>
19 #include <sound/soc-acpi-intel-match.h>
20 #include <sound/intel-dsp-config.h>
23 #include "../sof-acpi-dev.h"
24 #include "../sof-audio.h"
34 /* DSP memories for BDW */
47 /* DSP peripherals */
80  * DSP Control.
90 	/* set DSP to RUN */  in bdw_run()
100 	/* put DSP into reset and stall */  in bdw_reset()
105 	/* keep in reset for 10ms */  in bdw_reset()
108 	/* take DSP out of reset and keep stalled for FW loading */  in bdw_reset()
135 	while (tries--) {  in bdw_set_dsp_D0()
136 		reg = readl(sdev->bar[BDW_PCI_BAR] + PCI_PMCS)  in bdw_set_dsp_D0()
144 	return -ENODEV;  in bdw_set_dsp_D0()
155 	/* stall DSP core, set clk to 192/96Mhz */  in bdw_set_dsp_D0()
171 	/* Stall and reset core, set CSR */  in bdw_set_dsp_D0()
200 	/* set on-demond mode on engine 0,1 for all channels */  in bdw_set_dsp_D0()
228 	u32 offset = sdev->dsp_oops_offset;  in bdw_get_registers()
236 	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {  in bdw_get_registers()
237 		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",  in bdw_get_registers()
238 			xoops->arch_hdr.totalsize);  in bdw_get_registers()
241 	offset += xoops->arch_hdr.totalsize;  in bdw_get_registers()
267 	dev_err(sdev->dev,  in bdw_dump()
268 		"error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n",  in bdw_dump()
271 	dev_err(sdev->dev,  in bdw_dump()
275 	dev_err(sdev->dev,  in bdw_dump()
276 		"error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n",  in bdw_dump()
279 	dev_err(sdev->dev,  in bdw_dump()
280 		"error: mask DSP: pending %s complete %s raw 0x%8.8x\n",  in bdw_dump()
311 	/* reply message from DSP */  in bdw_irq_thread()
319 		spin_lock_irq(&sdev->ipc_lock);  in bdw_irq_thread()
322 		 * handle immediate reply from DSP core. If the msg is  in bdw_irq_thread()
332 		spin_unlock_irq(&sdev->ipc_lock);  in bdw_irq_thread()
337 	/* new message from DSP */  in bdw_irq_thread()
345 		/* Handle messages from DSP Core */  in bdw_irq_thread()
366 	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,  in bdw_send_msg()
367 			  msg->msg_size);  in bdw_send_msg()
385 	/* clear BUSY bit and set DONE bit - accept new messages */  in bdw_host_done()
397 	/* clear DONE bit - tell DSP we have completed */  in bdw_dsp_done()
411 	struct snd_sof_pdata *pdata = sdev->pdata;  in bdw_probe()
412 	const struct sof_dev_desc *desc = pdata->desc;  in bdw_probe()
414 		container_of(sdev->dev, struct platform_device, dev);  in bdw_probe()
420 	chip = get_chip_info(sdev->pdata);  in bdw_probe()
422 		dev_err(sdev->dev, "error: no such device supported\n");  in bdw_probe()
423 		return -EIO;  in bdw_probe()
426 	sdev->num_cores = chip->cores_num;  in bdw_probe()
430 				     desc->resindex_lpe_base);  in bdw_probe()
432 		base = mmio->start;  in bdw_probe()
435 		dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n",  in bdw_probe()
436 			desc->resindex_lpe_base);  in bdw_probe()
437 		return -EINVAL;  in bdw_probe()
440 	dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);  in bdw_probe()
441 	sdev->bar[BDW_DSP_BAR] = devm_ioremap(sdev->dev, base, size);  in bdw_probe()
442 	if (!sdev->bar[BDW_DSP_BAR]) {  in bdw_probe()
443 		dev_err(sdev->dev,  in bdw_probe()
446 		return -ENODEV;  in bdw_probe()
448 	dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BDW_DSP_BAR]);  in bdw_probe()
451 	sdev->mmio_bar = BDW_DSP_BAR;  in bdw_probe()
452 	sdev->mailbox_bar = BDW_DSP_BAR;  in bdw_probe()
453 	sdev->dsp_oops_offset = MBOX_OFFSET;  in bdw_probe()
457 				     desc->resindex_pcicfg_base);  in bdw_probe()
459 		base = mmio->start;  in bdw_probe()
462 		dev_err(sdev->dev, "error: failed to get PCI base at idx %d\n",  in bdw_probe()
463 			desc->resindex_pcicfg_base);  in bdw_probe()
464 		return -ENODEV;  in bdw_probe()
467 	dev_dbg(sdev->dev, "PCI base at 0x%x size 0x%x", base, size);  in bdw_probe()
468 	sdev->bar[BDW_PCI_BAR] = devm_ioremap(sdev->dev, base, size);  in bdw_probe()
469 	if (!sdev->bar[BDW_PCI_BAR]) {  in bdw_probe()
470 		dev_err(sdev->dev,  in bdw_probe()
473 		return -ENODEV;  in bdw_probe()
475 	dev_dbg(sdev->dev, "PCI VADDR %p\n", sdev->bar[BDW_PCI_BAR]);  in bdw_probe()
478 	sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc);  in bdw_probe()
479 	if (sdev->ipc_irq < 0)  in bdw_probe()
480 		return sdev->ipc_irq;  in bdw_probe()
482 	dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);  in bdw_probe()
483 	ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,  in bdw_probe()
487 		dev_err(sdev->dev, "error: failed to register IRQ %d\n",  in bdw_probe()
488 			sdev->ipc_irq);  in bdw_probe()
492 	/* enable the DSP SHIM */  in bdw_probe()
495 		dev_err(sdev->dev, "error: failed to set DSP D0\n");  in bdw_probe()
499 	/* DSP DMA can only access low 31 bits of host memory */  in bdw_probe()
500 	ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31));  in bdw_probe()
502 		dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);  in bdw_probe()
507 	sdev->dsp_box.offset = MBOX_OFFSET;  in bdw_probe()
514 	struct snd_sof_pdata *sof_pdata = sdev->pdata;  in bdw_machine_select()
515 	const struct sof_dev_desc *desc = sof_pdata->desc;  in bdw_machine_select()
518 	mach = snd_soc_acpi_find_machine(desc->machines);  in bdw_machine_select()
520 		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");  in bdw_machine_select()
524 	sof_pdata->tplg_filename = mach->sof_tplg_filename;  in bdw_machine_select()
525 	mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;  in bdw_machine_select()
533 	struct snd_sof_pdata *pdata = sdev->pdata;  in bdw_set_mach_params()
534 	const struct sof_dev_desc *desc = pdata->desc;  in bdw_set_mach_params()
537 	mach_params = &mach->mach_params;  in bdw_set_mach_params()
538 	mach_params->platform = dev_name(sdev->dev);  in bdw_set_mach_params()
539 	mach_params->num_dai_drivers = desc->ops->num_drv;  in bdw_set_mach_params()
540 	mach_params->dai_drivers = desc->ops->drv;  in bdw_set_mach_params()
546 	.name = "ssp0-port",
557 	.name = "ssp1-port",
574 	/* DSP Core Control */
576 	.reset          = bdw_reset,
639 	.resindex_imr_base = -1,
648 		[SOF_IPC_TYPE_3] = "intel/sof-tplg",
651 		[SOF_IPC_TYPE_3] = "sof-bdw.ri",
653 	.nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
665 	struct device *dev = &pdev->dev;  in sof_broadwell_probe()
670 	id = acpi_match_device(dev->driver->acpi_match_table, dev);  in sof_broadwell_probe()
672 		return -ENODEV;  in sof_broadwell_probe()
674 	ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);  in sof_broadwell_probe()
677 		return -ENODEV;  in sof_broadwell_probe()
680 	desc = (const struct sof_dev_desc *)id->driver_data;  in sof_broadwell_probe()
689 		.name = "sof-audio-acpi-intel-bdw",