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1// SPDX-License-Identifier: GPL-2.0-only2//3// Copyright(c) 2021-2024 Intel Corporation4//5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>6// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>7//8 9#include <sound/hdaudio_ext.h>10#include "avs.h"11#include "messages.h"12 13static void avs_cnl_ipc_interrupt(struct avs_dev *adev)14{15 const struct avs_spec *spec = adev->spec;16 u32 hipc_ack, hipc_rsp;17 18 snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset,19 AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, 0);20 21 hipc_ack = snd_hdac_adsp_readl(adev, spec->hipc->ack_offset);22 hipc_rsp = snd_hdac_adsp_readl(adev, spec->hipc->rsp_offset);23 24 /* DSP acked host's request. */25 if (hipc_ack & spec->hipc->ack_done_mask) {26 complete(&adev->ipc->done_completion);27 28 /* Tell DSP it has our attention. */29 snd_hdac_adsp_updatel(adev, spec->hipc->ack_offset, spec->hipc->ack_done_mask,30 spec->hipc->ack_done_mask);31 }32 33 /* DSP sent new response to process. */34 if (hipc_rsp & spec->hipc->rsp_busy_mask) {35 union avs_reply_msg msg;36 u32 hipctda;37 38 msg.primary = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDR);39 msg.ext.val = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDD);40 41 avs_dsp_process_response(adev, msg.val);42 43 /* Tell DSP we accepted its message. */44 snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDR,45 CNL_ADSP_HIPCTDR_BUSY, CNL_ADSP_HIPCTDR_BUSY);46 /* Ack this response. */47 snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDA,48 CNL_ADSP_HIPCTDA_DONE, CNL_ADSP_HIPCTDA_DONE);49 /* HW might have been clock gated, give some time for change to propagate. */50 snd_hdac_adsp_readl_poll(adev, CNL_ADSP_REG_HIPCTDA, hipctda,51 !(hipctda & CNL_ADSP_HIPCTDA_DONE), 10, 1000);52 }53 54 snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset,55 AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY,56 AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY);57}58 59irqreturn_t avs_cnl_dsp_interrupt(struct avs_dev *adev)60{61 u32 adspis = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPIS);62 irqreturn_t ret = IRQ_NONE;63 64 if (adspis == UINT_MAX)65 return ret;66 67 if (adspis & AVS_ADSP_ADSPIS_IPC) {68 avs_cnl_ipc_interrupt(adev);69 ret = IRQ_HANDLED;70 }71 72 return ret;73}74 75const struct avs_dsp_ops avs_cnl_dsp_ops = {76 .power = avs_dsp_core_power,77 .reset = avs_dsp_core_reset,78 .stall = avs_dsp_core_stall,79 .dsp_interrupt = avs_cnl_dsp_interrupt,80 .int_control = avs_dsp_interrupt_control,81 .load_basefw = avs_hda_load_basefw,82 .load_lib = avs_hda_load_library,83 .transfer_mods = avs_hda_transfer_modules,84 .log_buffer_offset = avs_skl_log_buffer_offset,85 .log_buffer_status = avs_apl_log_buffer_status,86 .coredump = avs_apl_coredump,87 .d0ix_toggle = avs_apl_d0ix_toggle,88 .set_d0ix = avs_apl_set_d0ix,89 AVS_SET_ENABLE_LOGS_OP(apl)90};91