1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
6 // Copyright(c) 2018-2021 Intel Corporation
12  * Hardware interface for audio DSP on Atom devices
18 #include <sound/soc-acpi.h>
19 #include <sound/soc-acpi-intel-match.h>
20 #include <sound/intel-dsp-config.h>
24 #include "../sof-acpi-dev.h"
25 #include "../sof-audio.h"
26 #include "../../intel/common/soc-intel-quirks.h"
40 	u32 offset = sdev->dsp_oops_offset;  in atom_get_registers()
48 	if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {  in atom_get_registers()
49 		dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",  in atom_get_registers()
50 			xoops->arch_hdr.totalsize);  in atom_get_registers()
53 	offset += xoops->arch_hdr.totalsize;  in atom_get_registers()
79 	dev_err(sdev->dev,  in atom_dump()
80 		"error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n",  in atom_dump()
83 	dev_err(sdev->dev,  in atom_dump()
87 	dev_err(sdev->dev,  in atom_dump()
88 		"error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n",  in atom_dump()
91 	dev_err(sdev->dev,  in atom_dump()
92 		"error: mask DSP: pending %s complete %s raw 0x%llx\n",  in atom_dump()
114 		/* reply message from DSP, Mask Done interrupt first */  in atom_irq_handler()
124 		/* new message from DSP, Mask Busy interrupt first */  in atom_irq_handler()
144 	/* reply message from DSP */  in atom_irq_thread()
147 		spin_lock_irq(&sdev->ipc_lock);  in atom_irq_thread()
150 		 * handle immediate reply from DSP core. If the msg is  in atom_irq_thread()
160 		spin_unlock_irq(&sdev->ipc_lock);  in atom_irq_thread()
163 	/* new message from DSP */  in atom_irq_thread()
166 		/* Handle messages from DSP Core */  in atom_irq_thread()
188 	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,  in atom_send_msg()
189 			  msg->msg_size);  in atom_send_msg()
210 	/* clear BUSY bit and set DONE bit - accept new messages */  in atom_host_done()
223 	/* clear DONE bit - tell DSP we have completed */  in atom_dsp_done()
229  * DSP control.
239 	while (tries--) {  in atom_run()
246 		return -ENODEV;  in atom_run()
255 	/* put DSP into reset, set reset vector and stall */  in atom_reset()
264 	/* take DSP out of reset and keep stalled for FW loading */  in atom_reset()
288 		tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,  in fixup_tplg_name()
289 					       "%s-%s.tplg",  in fixup_tplg_name()
298 	struct snd_sof_pdata *sof_pdata = sdev->pdata;  in atom_machine_select()
299 	const struct sof_dev_desc *desc = sof_pdata->desc;  in atom_machine_select()
304 	mach = snd_soc_acpi_find_machine(desc->machines);  in atom_machine_select()
306 		dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");  in atom_machine_select()
310 	pdev = to_platform_device(sdev->dev);  in atom_machine_select()
312 		dev_dbg(sdev->dev,  in atom_machine_select()
313 			"BYT-CR detected, SSP0 used instead of SSP2\n");  in atom_machine_select()
316 						mach->sof_tplg_filename,  in atom_machine_select()
319 		tplg_filename = mach->sof_tplg_filename;  in atom_machine_select()
323 		dev_dbg(sdev->dev,  in atom_machine_select()
328 	sof_pdata->tplg_filename = tplg_filename;  in atom_machine_select()
329 	mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;  in atom_machine_select()
338 	.name = "ssp0-port",
349 	.name = "ssp1-port",
360 	.name = "ssp2-port",
371 	.name = "ssp3-port",
382 	.name = "ssp4-port",
393 	.name = "ssp5-port",
409 	struct snd_sof_pdata *pdata = sdev->pdata;  in atom_set_mach_params()
410 	const struct sof_dev_desc *desc = pdata->desc;  in atom_set_mach_params()
413 	mach_params = &mach->mach_params;  in atom_set_mach_params()
414 	mach_params->platform = dev_name(sdev->dev);  in atom_set_mach_params()
415 	mach_params->num_dai_drivers = desc->ops->num_drv;  in atom_set_mach_params()
416 	mach_params->dai_drivers = desc->ops->drv;  in atom_set_mach_params()