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ASoC: Intel: modularize driver probe and remove
The driver probe which initializes driver and remove which cleans up can be shared with APCI as well, so move them to common init_context and cleanup_context routines which can be used by ACPI as well Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Subhransu S. Prusty
Mark Brown
parent
2559d9928f
commit
250454d8fe
@ -243,6 +243,94 @@ int sst_alloc_drv_context(struct intel_sst_drv **ctx,
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return 0;
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}
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int sst_context_init(struct intel_sst_drv *ctx)
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{
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int ret = 0, i;
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if (!ctx->pdata)
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return -EINVAL;
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if (!ctx->pdata->probe_data)
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return -EINVAL;
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memcpy(&ctx->info, ctx->pdata->probe_data, sizeof(ctx->info));
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ret = sst_driver_ops(ctx);
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if (ret != 0)
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return -EINVAL;
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sst_init_locks(ctx);
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/* pvt_id 0 reserved for async messages */
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ctx->pvt_id = 1;
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ctx->stream_cnt = 0;
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ctx->fw_in_mem = NULL;
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/* we use memcpy, so set to 0 */
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ctx->use_dma = 0;
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ctx->use_lli = 0;
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if (sst_workqueue_init(ctx))
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return -EINVAL;
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ctx->mailbox_recv_offset = ctx->pdata->ipc_info->mbox_recv_off;
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ctx->ipc_reg.ipcx = SST_IPCX + ctx->pdata->ipc_info->ipc_offset;
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ctx->ipc_reg.ipcd = SST_IPCD + ctx->pdata->ipc_info->ipc_offset;
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dev_info(ctx->dev, "Got drv data max stream %d\n",
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ctx->info.max_streams);
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for (i = 1; i <= ctx->info.max_streams; i++) {
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struct stream_info *stream = &ctx->streams[i];
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memset(stream, 0, sizeof(*stream));
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stream->pipe_id = PIPE_RSVD;
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mutex_init(&stream->lock);
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}
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/* Register the ISR */
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ret = devm_request_threaded_irq(ctx->dev, ctx->irq_num, ctx->ops->interrupt,
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ctx->ops->irq_thread, 0, SST_DRV_NAME,
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ctx);
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if (ret)
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goto do_free_mem;
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dev_dbg(ctx->dev, "Registered IRQ %#x\n", ctx->irq_num);
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/* default intr are unmasked so set this as masked */
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sst_shim_write64(ctx->shim, SST_IMRX, 0xFFFF0038);
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ctx->qos = devm_kzalloc(ctx->dev,
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sizeof(struct pm_qos_request), GFP_KERNEL);
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if (!ctx->qos) {
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ret = -ENOMEM;
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goto do_free_mem;
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}
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pm_qos_add_request(ctx->qos, PM_QOS_CPU_DMA_LATENCY,
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PM_QOS_DEFAULT_VALUE);
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return 0;
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do_free_mem:
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destroy_workqueue(ctx->post_msg_wq);
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return ret;
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}
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void sst_context_cleanup(struct intel_sst_drv *ctx)
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{
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pm_runtime_get_noresume(ctx->dev);
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pm_runtime_forbid(ctx->dev);
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sst_unregister(ctx->dev);
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sst_set_fw_state_locked(ctx, SST_SHUTDOWN);
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flush_scheduled_work();
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destroy_workqueue(ctx->post_msg_wq);
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pm_qos_remove_request(ctx->qos);
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kfree(ctx->fw_sg_list.src);
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kfree(ctx->fw_sg_list.dst);
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ctx->fw_sg_list.list_len = 0;
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kfree(ctx->fw_in_mem);
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ctx->fw_in_mem = NULL;
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sst_memcpy_free_resources(ctx);
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ctx = NULL;
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}
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/*
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* intel_sst_probe - PCI probe function
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@ -254,9 +342,8 @@ int sst_alloc_drv_context(struct intel_sst_drv **ctx,
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static int intel_sst_probe(struct pci_dev *pci,
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const struct pci_device_id *pci_id)
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{
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int i, ret = 0;
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int ret = 0;
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struct intel_sst_drv *sst_drv_ctx;
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struct intel_sst_ops *ops;
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struct sst_platform_info *sst_pdata = pci->dev.platform_data;
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int ddr_base;
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@ -266,43 +353,12 @@ static int intel_sst_probe(struct pci_dev *pci,
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if (ret < 0)
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return ret;
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if (!sst_pdata)
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return -EINVAL;
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sst_drv_ctx->pdata = sst_pdata;
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if (!sst_drv_ctx->pdata->probe_data)
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return -EINVAL;
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memcpy(&sst_drv_ctx->info, sst_drv_ctx->pdata->probe_data,
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sizeof(sst_drv_ctx->info));
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ret = sst_context_init(sst_drv_ctx);
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if (ret < 0)
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goto do_free_drv_ctx;
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if (0 != sst_driver_ops(sst_drv_ctx))
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return -EINVAL;
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ops = sst_drv_ctx->ops;
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sst_init_locks(sst_drv_ctx);
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/* pvt_id 0 reserved for async messages */
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sst_drv_ctx->pvt_id = 1;
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sst_drv_ctx->stream_cnt = 0;
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sst_drv_ctx->fw_in_mem = NULL;
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/* we use memcpy, so set to 0 */
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sst_drv_ctx->use_dma = 0;
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sst_drv_ctx->use_lli = 0;
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if (sst_workqueue_init(sst_drv_ctx))
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return -EINVAL;
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dev_info(sst_drv_ctx->dev, "Got drv data max stream %d\n",
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sst_drv_ctx->info.max_streams);
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for (i = 1; i <= sst_drv_ctx->info.max_streams; i++) {
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struct stream_info *stream = &sst_drv_ctx->streams[i];
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memset(stream, 0, sizeof(*stream));
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stream->pipe_id = PIPE_RSVD;
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mutex_init(&stream->lock);
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}
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/* Init the device */
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ret = pcim_enable_device(pci);
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@ -402,18 +458,6 @@ static int intel_sst_probe(struct pci_dev *pci,
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}
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sst_drv_ctx->irq_num = pci->irq;
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/* Register the ISR */
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ret = devm_request_threaded_irq(&pci->dev, pci->irq,
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sst_drv_ctx->ops->interrupt,
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sst_drv_ctx->ops->irq_thread, 0, SST_DRV_NAME,
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sst_drv_ctx);
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if (ret)
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goto do_release_regions;
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dev_dbg(sst_drv_ctx->dev, "Registered IRQ 0x%x\n", pci->irq);
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/* default intr are unmasked so set this as masked */
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if (sst_drv_ctx->dev_id == SST_MRFLD_PCI_ID)
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sst_shim_write64(sst_drv_ctx->shim, SST_IMRX, 0xFFFF0038);
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pci_set_drvdata(pci, sst_drv_ctx);
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pm_runtime_set_autosuspend_delay(sst_drv_ctx->dev, SST_SUSPEND_DELAY);
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@ -421,14 +465,6 @@ static int intel_sst_probe(struct pci_dev *pci,
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pm_runtime_allow(sst_drv_ctx->dev);
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pm_runtime_put_noidle(sst_drv_ctx->dev);
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sst_register(sst_drv_ctx->dev);
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sst_drv_ctx->qos = devm_kzalloc(&pci->dev,
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sizeof(struct pm_qos_request), GFP_KERNEL);
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if (!sst_drv_ctx->qos) {
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ret = -ENOMEM;
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goto do_release_regions;
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}
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pm_qos_add_request(sst_drv_ctx->qos, PM_QOS_CPU_DMA_LATENCY,
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PM_QOS_DEFAULT_VALUE);
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return ret;
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@ -436,6 +472,7 @@ static int intel_sst_probe(struct pci_dev *pci,
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pci_release_regions(pci);
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do_free_mem:
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destroy_workqueue(sst_drv_ctx->post_msg_wq);
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do_free_drv_ctx:
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dev_err(sst_drv_ctx->dev, "Probe failed with %d\n", ret);
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return ret;
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}
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@ -452,22 +489,8 @@ static void intel_sst_remove(struct pci_dev *pci)
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{
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struct intel_sst_drv *sst_drv_ctx = pci_get_drvdata(pci);
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pm_runtime_get_noresume(sst_drv_ctx->dev);
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pm_runtime_forbid(sst_drv_ctx->dev);
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sst_unregister(sst_drv_ctx->dev);
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sst_context_cleanup(sst_drv_ctx);
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pci_dev_put(sst_drv_ctx->pci);
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sst_set_fw_state_locked(sst_drv_ctx, SST_SHUTDOWN);
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flush_scheduled_work();
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destroy_workqueue(sst_drv_ctx->post_msg_wq);
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pm_qos_remove_request(sst_drv_ctx->qos);
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kfree(sst_drv_ctx->fw_sg_list.src);
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kfree(sst_drv_ctx->fw_sg_list.dst);
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sst_drv_ctx->fw_sg_list.list_len = 0;
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kfree(sst_drv_ctx->fw_in_mem);
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sst_drv_ctx->fw_in_mem = NULL;
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sst_memcpy_free_resources(sst_drv_ctx);
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sst_drv_ctx = NULL;
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pci_release_regions(pci);
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pci_set_drvdata(pci, NULL);
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}
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