linux/sound/soc/sof/intel/icl.c

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// Copyright(c) 2020 Intel Corporation
//
// Author: Fred Oh <[email protected]>
//

/*
 * Hardware interface for audio DSP on IceLake.
 */

#include <linux/kernel.h>
#include <linux/kconfig.h>
#include <linux/export.h>
#include <linux/bits.h>
#include "../ipc4-priv.h"
#include "../ops.h"
#include "hda.h"
#include "hda-ipc.h"
#include "../sof-audio.h"

#define ICL_DSP_HPRO_CORE_ID …

static const struct snd_sof_debugfs_map icl_dsp_debugfs[] = …;

static int icl_dsp_core_stall(struct snd_sof_dev *sdev, unsigned int core_mask)
{ … }

/*
 * post fw run operation for ICL.
 * Core 3 will be powered up and in stall when HPRO is enabled
 */
static int icl_dsp_post_fw_run(struct snd_sof_dev *sdev)
{ … }

/* Icelake ops */
struct snd_sof_dsp_ops sof_icl_ops;

int sof_icl_ops_init(struct snd_sof_dev *sdev)
{
	/* common defaults */
	memcpy(&sof_icl_ops, &sof_hda_common_ops, sizeof(struct snd_sof_dsp_ops));

	/* probe/remove/shutdown */
	sof_icl_ops.shutdown	= hda_dsp_shutdown;

	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_3) {
		/* doorbell */
		sof_icl_ops.irq_thread	= cnl_ipc_irq_thread;

		/* ipc */
		sof_icl_ops.send_msg	= cnl_ipc_send_msg;

		/* debug */
		sof_icl_ops.ipc_dump	= cnl_ipc_dump;

		sof_icl_ops.set_power_state = hda_dsp_set_power_state_ipc3;
	}

	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
		struct sof_ipc4_fw_data *ipc4_data;

		sdev->private = kzalloc(sizeof(*ipc4_data), GFP_KERNEL);
		if (!sdev->private)
			return -ENOMEM;

		ipc4_data = sdev->private;
		ipc4_data->manifest_fw_hdr_offset = SOF_MAN4_FW_HDR_OFFSET;

		ipc4_data->mtrace_type = SOF_IPC4_MTRACE_INTEL_CAVS_2;

		/* External library loading support */
		ipc4_data->load_library = hda_dsp_ipc4_load_library;

		/* doorbell */
		sof_icl_ops.irq_thread	= cnl_ipc4_irq_thread;

		/* ipc */
		sof_icl_ops.send_msg	= cnl_ipc4_send_msg;

		/* debug */
		sof_icl_ops.ipc_dump	= cnl_ipc4_dump;

		sof_icl_ops.set_power_state = hda_dsp_set_power_state_ipc4;
	}

	/* debug */
	sof_icl_ops.debug_map	= icl_dsp_debugfs;
	sof_icl_ops.debug_map_count	= ARRAY_SIZE(icl_dsp_debugfs);

	/* pre/post fw run */
	sof_icl_ops.post_fw_run = icl_dsp_post_fw_run;

	/* firmware run */
	sof_icl_ops.run = hda_dsp_cl_boot_firmware_iccmax;
	sof_icl_ops.stall = icl_dsp_core_stall;

	/* dsp core get/put */
	sof_icl_ops.core_get = hda_dsp_core_get;

	/* set DAI driver ops */
	hda_set_dai_drv_ops(sdev, &sof_icl_ops);

	return 0;
};

const struct sof_intel_dsp_desc icl_chip_info = …;