From: Subhransu S. Prusty subhransu.s.prusty@intel.com
Move the PCI bar and resource initialization to a separate routine
Signed-off-by: Subhransu S. Prusty subhransu.s.prusty@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com --- sound/soc/intel/sst/sst.c | 158 ++++++++++++++++++++++++-------------------- 1 files changed, 86 insertions(+), 72 deletions(-)
diff --git a/sound/soc/intel/sst/sst.c b/sound/soc/intel/sst/sst.c index e621922..ad16101 100644 --- a/sound/soc/intel/sst/sst.c +++ b/sound/soc/intel/sst/sst.c @@ -332,114 +332,132 @@ void sst_context_cleanup(struct intel_sst_drv *ctx) ctx = NULL; }
-/* -* intel_sst_probe - PCI probe function -* -* @pci: PCI device structure -* @pci_id: PCI device ID structure -* -*/ -static int intel_sst_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) +void sst_configure_runtime_pm(struct intel_sst_drv *ctx) { - int ret = 0; - struct intel_sst_drv *sst_drv_ctx; - struct sst_platform_info *sst_pdata = pci->dev.platform_data; - int ddr_base; - - dev_dbg(&pci->dev, "Probe for DID %x\n", pci->device); - - ret = sst_alloc_drv_context(&sst_drv_ctx, &pci->dev, pci->device); - if (ret < 0) - return ret; - - sst_drv_ctx->pdata = sst_pdata; - - ret = sst_context_init(sst_drv_ctx); - if (ret < 0) - goto do_free_drv_ctx; - + pm_runtime_set_autosuspend_delay(ctx->dev, SST_SUSPEND_DELAY); + pm_runtime_use_autosuspend(ctx->dev); + pm_runtime_allow(ctx->dev); + pm_runtime_put_noidle(ctx->dev); +}
- /* Init the device */ - ret = pcim_enable_device(pci); - if (ret) { - dev_err(sst_drv_ctx->dev, - "device can't be enabled. Returned err: %d\n", ret); - goto do_free_mem; - } - sst_drv_ctx->pci = pci_dev_get(pci); +static int sst_platform_get_resources(struct intel_sst_drv *ctx) +{ + int ddr_base, ret = 0; + struct pci_dev *pci = ctx->pci; ret = pci_request_regions(pci, SST_DRV_NAME); if (ret) - goto do_free_mem; + return ret;
/* map registers */ /* DDR base */ - if (sst_drv_ctx->dev_id == SST_MRFLD_PCI_ID) { - sst_drv_ctx->ddr_base = pci_resource_start(pci, 0); + if (ctx->dev_id == SST_MRFLD_PCI_ID) { + ctx->ddr_base = pci_resource_start(pci, 0); /* check that the relocated IMR base matches with FW Binary */ - ddr_base = relocate_imr_addr_mrfld(sst_drv_ctx->ddr_base); - if (!sst_drv_ctx->pdata->lib_info) { - dev_err(sst_drv_ctx->dev, "lib_info pointer NULL\n"); + ddr_base = relocate_imr_addr_mrfld(ctx->ddr_base); + if (!ctx->pdata->lib_info) { + dev_err(ctx->dev, "lib_info pointer NULL\n"); ret = -EINVAL; goto do_release_regions; } - if (ddr_base != sst_drv_ctx->pdata->lib_info->mod_base) { - dev_err(sst_drv_ctx->dev, + if (ddr_base != ctx->pdata->lib_info->mod_base) { + dev_err(ctx->dev, "FW LSP DDR BASE does not match with IFWI\n"); ret = -EINVAL; goto do_release_regions; } - sst_drv_ctx->ddr_end = pci_resource_end(pci, 0); + ctx->ddr_end = pci_resource_end(pci, 0);
- sst_drv_ctx->ddr = pcim_iomap(pci, 0, + ctx->ddr = pcim_iomap(pci, 0, pci_resource_len(pci, 0)); - if (!sst_drv_ctx->ddr) { + if (!ctx->ddr) { ret = -EINVAL; goto do_release_regions; } - dev_dbg(sst_drv_ctx->dev, "sst: DDR Ptr %p\n", sst_drv_ctx->ddr); + dev_dbg(ctx->dev, "sst: DDR Ptr %p\n", ctx->ddr); } else { - sst_drv_ctx->ddr = NULL; + ctx->ddr = NULL; } - /* SHIM */ - sst_drv_ctx->shim_phy_add = pci_resource_start(pci, 1); - sst_drv_ctx->shim = pcim_iomap(pci, 1, pci_resource_len(pci, 1)); - if (!sst_drv_ctx->shim) { + ctx->shim_phy_add = pci_resource_start(pci, 1); + ctx->shim = pcim_iomap(pci, 1, pci_resource_len(pci, 1)); + if (!ctx->shim) { ret = -EINVAL; goto do_release_regions; } - dev_dbg(sst_drv_ctx->dev, "SST Shim Ptr %p\n", sst_drv_ctx->shim); + dev_dbg(ctx->dev, "SST Shim Ptr %p\n", ctx->shim);
/* Shared SRAM */ - sst_drv_ctx->mailbox_add = pci_resource_start(pci, 2); - sst_drv_ctx->mailbox = pcim_iomap(pci, 2, pci_resource_len(pci, 2)); - if (!sst_drv_ctx->mailbox) { + ctx->mailbox_add = pci_resource_start(pci, 2); + ctx->mailbox = pcim_iomap(pci, 2, pci_resource_len(pci, 2)); + if (!ctx->mailbox) { ret = -EINVAL; goto do_release_regions; } - dev_dbg(sst_drv_ctx->dev, "SRAM Ptr %p\n", sst_drv_ctx->mailbox); + dev_dbg(ctx->dev, "SRAM Ptr %p\n", ctx->mailbox);
/* IRAM */ - sst_drv_ctx->iram_end = pci_resource_end(pci, 3); - sst_drv_ctx->iram_base = pci_resource_start(pci, 3); - sst_drv_ctx->iram = pcim_iomap(pci, 3, pci_resource_len(pci, 3)); - if (!sst_drv_ctx->iram) { + ctx->iram_end = pci_resource_end(pci, 3); + ctx->iram_base = pci_resource_start(pci, 3); + ctx->iram = pcim_iomap(pci, 3, pci_resource_len(pci, 3)); + if (!ctx->iram) { ret = -EINVAL; goto do_release_regions; } - dev_dbg(sst_drv_ctx->dev, "IRAM Ptr %p\n", sst_drv_ctx->iram); + dev_dbg(ctx->dev, "IRAM Ptr %p\n", ctx->iram);
/* DRAM */ - sst_drv_ctx->dram_end = pci_resource_end(pci, 4); - sst_drv_ctx->dram_base = pci_resource_start(pci, 4); - sst_drv_ctx->dram = pcim_iomap(pci, 4, pci_resource_len(pci, 4)); - if (!sst_drv_ctx->dram) { + ctx->dram_end = pci_resource_end(pci, 4); + ctx->dram_base = pci_resource_start(pci, 4); + ctx->dram = pcim_iomap(pci, 4, pci_resource_len(pci, 4)); + if (!ctx->dram) { ret = -EINVAL; goto do_release_regions; } - dev_dbg(sst_drv_ctx->dev, "DRAM Ptr %p\n", sst_drv_ctx->dram); + dev_dbg(ctx->dev, "DRAM Ptr %p\n", ctx->dram); +do_release_regions: + pci_release_regions(pci); + return 0; +} +/* +* intel_sst_probe - PCI probe function +* +* @pci: PCI device structure +* @pci_id: PCI device ID structure +* +*/ +static int intel_sst_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + int ret = 0; + struct intel_sst_drv *sst_drv_ctx; + struct sst_platform_info *sst_pdata = pci->dev.platform_data; + + dev_dbg(&pci->dev, "Probe for DID %x\n", pci->device); + + ret = sst_alloc_drv_context(&sst_drv_ctx, &pci->dev, pci->device); + if (ret < 0) + return ret; + + sst_drv_ctx->pdata = sst_pdata; + sst_drv_ctx->irq_num = pci->irq; + + ret = sst_context_init(sst_drv_ctx); + if (ret < 0) + goto do_free_drv_ctx; + + + /* Init the device */ + ret = pcim_enable_device(pci); + if (ret) { + dev_err(sst_drv_ctx->dev, + "device can't be enabled. Returned err: %d\n", ret); + goto do_destroy_wq; + } + sst_drv_ctx->pci = pci_dev_get(pci);
+ ret = sst_platform_get_resources(sst_drv_ctx); + if (ret < 0) + goto do_destroy_wq;
sst_set_fw_state_locked(sst_drv_ctx, SST_RESET); snprintf(sst_drv_ctx->firmware_name, sizeof(sst_drv_ctx->firmware_name), @@ -457,20 +475,16 @@ static int intel_sst_probe(struct pci_dev *pci, goto do_release_regions; }
- sst_drv_ctx->irq_num = pci->irq;
pci_set_drvdata(pci, sst_drv_ctx); - pm_runtime_set_autosuspend_delay(sst_drv_ctx->dev, SST_SUSPEND_DELAY); - pm_runtime_use_autosuspend(sst_drv_ctx->dev); - pm_runtime_allow(sst_drv_ctx->dev); - pm_runtime_put_noidle(sst_drv_ctx->dev); + sst_configure_runtime_pm(sst_drv_ctx); sst_register(sst_drv_ctx->dev);
return ret;
do_release_regions: pci_release_regions(pci); -do_free_mem: +do_destroy_wq: destroy_workqueue(sst_drv_ctx->post_msg_wq); do_free_drv_ctx: dev_err(sst_drv_ctx->dev, "Probe failed with %d\n", ret);