root/sound/soc/intel/avs/tgl.c
// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2021-2024 Intel Corporation
//
// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
//

#include <linux/pci.h>
#include <asm/cpuid/api.h>
#include "avs.h"
#include "debug.h"
#include "messages.h"

static int avs_tgl_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power)
{
        core_mask &= AVS_MAIN_CORE_MASK;

        if (!core_mask)
                return 0;
        return avs_dsp_core_power(adev, core_mask, power);
}

static int avs_tgl_dsp_core_reset(struct avs_dev *adev, u32 core_mask, bool reset)
{
        core_mask &= AVS_MAIN_CORE_MASK;

        if (!core_mask)
                return 0;
        return avs_dsp_core_reset(adev, core_mask, reset);
}

static int avs_tgl_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall)
{
        core_mask &= AVS_MAIN_CORE_MASK;

        if (!core_mask)
                return 0;
        return avs_dsp_core_stall(adev, core_mask, stall);
}

/*
 * Succeed if CPUID(0x15) is not available, or if the nominal core crystal clock
 * frequency cannot be enumerated from it.  There is nothing to do in both cases.
 */
static int avs_tgl_set_xtal_freq(struct avs_dev *adev)
{
        unsigned int freq;
        int ret;

        if (boot_cpu_data.cpuid_level < CPUID_LEAF_TSC)
                return 0;

        freq = cpuid_ecx(CPUID_LEAF_TSC);
        if (freq) {
                ret = avs_ipc_set_fw_config(adev, 1, AVS_FW_CFG_XTAL_FREQ_HZ, sizeof(freq), &freq);
                if (ret)
                        return AVS_IPC_RET(ret);
        }

        return 0;
}

static int avs_tgl_config_basefw(struct avs_dev *adev)
{
        struct pci_dev *pci = adev->base.pci;
        struct avs_bus_hwid hwid;
        int ret;

        ret = avs_tgl_set_xtal_freq(adev);
        if (ret)
                return ret;

        hwid.device = pci->device;
        hwid.subsystem = pci->subsystem_vendor | (pci->subsystem_device << 16);
        hwid.revision = pci->revision;

        ret = avs_ipc_set_fw_config(adev, 1, AVS_FW_CFG_BUS_HARDWARE_ID, sizeof(hwid), &hwid);
        if (ret)
                return AVS_IPC_RET(ret);

        return 0;
}

const struct avs_dsp_ops avs_tgl_dsp_ops = {
        .power = avs_tgl_dsp_core_power,
        .reset = avs_tgl_dsp_core_reset,
        .stall = avs_tgl_dsp_core_stall,
        .dsp_interrupt = avs_cnl_dsp_interrupt,
        .int_control = avs_dsp_interrupt_control,
        .load_basefw = avs_icl_load_basefw,
        .load_lib = avs_hda_load_library,
        .transfer_mods = avs_hda_transfer_modules,
        .config_basefw = avs_tgl_config_basefw,
        .log_buffer_offset = avs_icl_log_buffer_offset,
        .log_buffer_status = avs_apl_log_buffer_status,
        .coredump = avs_apl_coredump,
        .d0ix_toggle = avs_icl_d0ix_toggle,
        .set_d0ix = avs_icl_set_d0ix,
        AVS_SET_ENABLE_LOGS_OP(icl)
};