// 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 <sound/hdaudio_ext.h> #include "avs.h" #include "messages.h" static void avs_cnl_ipc_interrupt(struct avs_dev *adev) { const struct avs_spec *spec = adev->spec; u32 hipc_ack, hipc_rsp; snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, 0); hipc_ack = snd_hdac_adsp_readl(adev, spec->hipc->ack_offset); hipc_rsp = snd_hdac_adsp_readl(adev, spec->hipc->rsp_offset); /* DSP acked host's request. */ if (hipc_ack & spec->hipc->ack_done_mask) { complete(&adev->ipc->done_completion); /* Tell DSP it has our attention. */ snd_hdac_adsp_updatel(adev, spec->hipc->ack_offset, spec->hipc->ack_done_mask, spec->hipc->ack_done_mask); } /* DSP sent new response to process. */ if (hipc_rsp & spec->hipc->rsp_busy_mask) { union avs_reply_msg msg; u32 hipctda; msg.primary = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDR); msg.ext.val = snd_hdac_adsp_readl(adev, CNL_ADSP_REG_HIPCTDD); avs_dsp_process_response(adev, msg.val); /* Tell DSP we accepted its message. */ snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDR, CNL_ADSP_HIPCTDR_BUSY, CNL_ADSP_HIPCTDR_BUSY); /* Ack this response. */ snd_hdac_adsp_updatel(adev, CNL_ADSP_REG_HIPCTDA, CNL_ADSP_HIPCTDA_DONE, CNL_ADSP_HIPCTDA_DONE); /* HW might have been clock gated, give some time for change to propagate. */ snd_hdac_adsp_readl_poll(adev, CNL_ADSP_REG_HIPCTDA, hipctda, !(hipctda & CNL_ADSP_HIPCTDA_DONE), 10, 1000); } snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY, AVS_ADSP_HIPCCTL_DONE | AVS_ADSP_HIPCCTL_BUSY); } irqreturn_t avs_cnl_dsp_interrupt(struct avs_dev *adev) { u32 adspis = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPIS); irqreturn_t ret = IRQ_NONE; if (adspis == UINT_MAX) return ret; if (adspis & AVS_ADSP_ADSPIS_IPC) { avs_cnl_ipc_interrupt(adev); ret = IRQ_HANDLED; } return ret; } const struct avs_dsp_ops avs_cnl_dsp_ops = { .power = avs_dsp_core_power, .reset = avs_dsp_core_reset, .stall = avs_dsp_core_stall, .dsp_interrupt = avs_cnl_dsp_interrupt, .int_control = avs_dsp_interrupt_control, .load_basefw = avs_hda_load_basefw, .load_lib = avs_hda_load_library, .transfer_mods = avs_hda_transfer_modules, .log_buffer_offset = avs_skl_log_buffer_offset, .log_buffer_status = avs_apl_log_buffer_status, .coredump = avs_apl_coredump, .d0ix_toggle = avs_apl_d0ix_toggle, .set_d0ix = avs_apl_set_d0ix, AVS_SET_ENABLE_LOGS_OP(apl) };