diff options
Diffstat (limited to 'sound/soc/intel/avs/ipc.c')
| -rw-r--r-- | sound/soc/intel/avs/ipc.c | 79 |
1 files changed, 19 insertions, 60 deletions
diff --git a/sound/soc/intel/avs/ipc.c b/sound/soc/intel/avs/ipc.c index ad0e535b3c2e..0314f9d4ea5f 100644 --- a/sound/soc/intel/avs/ipc.c +++ b/sound/soc/intel/avs/ipc.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only // -// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// Copyright(c) 2021-2022 Intel Corporation // // Authors: Cezary Rojewski <cezary.rojewski@intel.com> // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> @@ -169,7 +169,9 @@ static void avs_dsp_exception_caught(struct avs_dev *adev, union avs_notify_msg dev_crit(adev->dev, "communication severed, rebooting dsp..\n"); - cancel_delayed_work_sync(&ipc->d0ix_work); + /* Avoid deadlock as the exception may be the response to SET_D0IX. */ + if (current_work() != &ipc->d0ix_work.work) + cancel_delayed_work_sync(&ipc->d0ix_work); ipc->in_d0ix = false; /* Re-enabled on recovery completion. */ pm_runtime_disable(adev->dev); @@ -184,10 +186,11 @@ static void avs_dsp_receive_rx(struct avs_dev *adev, u64 header) { struct avs_ipc *ipc = adev->ipc; union avs_reply_msg msg = AVS_MSG(header); - u64 reg; + u32 sts, lec; - reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW)); - trace_avs_ipc_reply_msg(header, reg); + sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev)); + lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev)); + trace_avs_ipc_reply_msg(header, sts, lec); ipc->rx.header = header; /* Abort copying payload if request processing was unsuccessful. */ @@ -209,10 +212,11 @@ static void avs_dsp_process_notification(struct avs_dev *adev, u64 header) union avs_notify_msg msg = AVS_MSG(header); size_t data_size = 0; void *data = NULL; - u64 reg; + u32 sts, lec; - reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW)); - trace_avs_ipc_notify_msg(header, reg); + sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev)); + lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev)); + trace_avs_ipc_notify_msg(header, sts, lec); /* Ignore spurious notifications until handshake is established. */ if (!adev->ipc->ready && msg.notify_msg_type != AVS_NOTIFY_FW_READY) { @@ -301,54 +305,6 @@ void avs_dsp_process_response(struct avs_dev *adev, u64 header) complete(&ipc->busy_completion); } -irqreturn_t avs_irq_handler(struct avs_dev *adev) -{ - struct avs_ipc *ipc = adev->ipc; - const struct avs_spec *const spec = adev->spec; - u32 adspis, hipc_rsp, hipc_ack; - irqreturn_t ret = IRQ_NONE; - - adspis = snd_hdac_adsp_readl(adev, AVS_ADSP_REG_ADSPIS); - if (adspis == UINT_MAX || !(adspis & AVS_ADSP_ADSPIS_IPC)) - return ret; - - 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) { - /* - * As an extra precaution, mask done interrupt. Code executed - * due to complete() found below does not assume any masking. - */ - snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, - AVS_ADSP_HIPCCTL_DONE, 0); - - complete(&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); - /* unmask done interrupt */ - snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, - AVS_ADSP_HIPCCTL_DONE, - AVS_ADSP_HIPCCTL_DONE); - ret = IRQ_HANDLED; - } - - /* DSP sent new response to process */ - if (hipc_rsp & spec->hipc->rsp_busy_mask) { - /* mask busy interrupt */ - snd_hdac_adsp_updatel(adev, spec->hipc->ctl_offset, - AVS_ADSP_HIPCCTL_BUSY, 0); - - ret = IRQ_WAKE_THREAD; - } - - return ret; -} - static bool avs_ipc_is_busy(struct avs_ipc *ipc) { struct avs_dev *adev = to_avs_dev(ipc->dev); @@ -415,13 +371,16 @@ static void avs_ipc_msg_init(struct avs_ipc *ipc, struct avs_ipc_msg *reply) static void avs_dsp_send_tx(struct avs_dev *adev, struct avs_ipc_msg *tx, bool read_fwregs) { const struct avs_spec *const spec = adev->spec; - u64 reg = ULONG_MAX; + u32 sts = UINT_MAX; + u32 lec = UINT_MAX; tx->header |= spec->hipc->req_busy_mask; - if (read_fwregs) - reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW)); + if (read_fwregs) { + sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev)); + lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev)); + } - trace_avs_request(tx, reg); + trace_avs_request(tx, sts, lec); if (tx->size) memcpy_toio(avs_downlink_addr(adev), tx->data, tx->size); |