/* * sst_acpi.c - SST (LPE) driver init file for ACPI enumeration. * * Copyright (c) 2013, Intel Corporation. * * Authors: Ramesh Babu K V * Authors: Omair Mohammed Abdullah * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../sst-mfld-platform.h" #include "../sst-dsp.h" #include "sst.h" struct sst_machines { char *codec_id; char board[32]; char machine[32]; void (*machine_quirk)(void); char firmware[32]; struct sst_platform_info *pdata; }; /* LPE viewpoint addresses */ #define SST_BYT_IRAM_PHY_START 0xff2c0000 #define SST_BYT_IRAM_PHY_END 0xff2d4000 #define SST_BYT_DRAM_PHY_START 0xff300000 #define SST_BYT_DRAM_PHY_END 0xff320000 #define SST_BYT_IMR_VIRT_START 0xc0000000 /* virtual addr in LPE */ #define SST_BYT_IMR_VIRT_END 0xc01fffff #define SST_BYT_SHIM_PHY_ADDR 0xff340000 #define SST_BYT_MBOX_PHY_ADDR 0xff344000 #define SST_BYT_DMA0_PHY_ADDR 0xff298000 #define SST_BYT_DMA1_PHY_ADDR 0xff29c000 #define SST_BYT_SSP0_PHY_ADDR 0xff2a0000 #define SST_BYT_SSP2_PHY_ADDR 0xff2a2000 #define BYT_FW_MOD_TABLE_OFFSET 0x80000 #define BYT_FW_MOD_TABLE_SIZE 0x100 #define BYT_FW_MOD_OFFSET (BYT_FW_MOD_TABLE_OFFSET + BYT_FW_MOD_TABLE_SIZE) static const struct sst_info byt_fwparse_info = { .use_elf = false, .max_streams = 25, .iram_start = SST_BYT_IRAM_PHY_START, .iram_end = SST_BYT_IRAM_PHY_END, .iram_use = true, .dram_start = SST_BYT_DRAM_PHY_START, .dram_end = SST_BYT_DRAM_PHY_END, .dram_use = true, .imr_start = SST_BYT_IMR_VIRT_START, .imr_end = SST_BYT_IMR_VIRT_END, .imr_use = true, .mailbox_start = SST_BYT_MBOX_PHY_ADDR, .num_probes = 0, .lpe_viewpt_rqd = true, }; static const struct sst_ipc_info byt_ipc_info = { .ipc_offset = 0, .mbox_recv_off = 0x400, }; static const struct sst_lib_dnld_info byt_lib_dnld_info = { .mod_base = SST_BYT_IMR_VIRT_START, .mod_end = SST_BYT_IMR_VIRT_END, .mod_table_offset = BYT_FW_MOD_TABLE_OFFSET, .mod_table_size = BYT_FW_MOD_TABLE_SIZE, .mod_ddr_dnld = false, }; static const struct sst_res_info byt_rvp_res_info = { .shim_offset = 0x140000, .shim_size = 0x000100, .shim_phy_addr = SST_BYT_SHIM_PHY_ADDR, .ssp0_offset = 0xa0000, .ssp0_size = 0x1000, .dma0_offset = 0x98000, .dma0_size = 0x4000, .dma1_offset = 0x9c000, .dma1_size = 0x4000, .iram_offset = 0x0c0000, .iram_size = 0x14000, .dram_offset = 0x100000, .dram_size = 0x28000, .mbox_offset = 0x144000, .mbox_size = 0x1000, .acpi_lpe_res_index = 0, .acpi_ddr_index = 2, .acpi_ipc_irq_index = 5, }; static struct sst_platform_info byt_rvp_platform_data = { .probe_data = &byt_fwparse_info, .ipc_info = &byt_ipc_info, .lib_info = &byt_lib_dnld_info, .res_info = &byt_rvp_res_info, .platform = "sst-mfld-platform", }; /* Cherryview (Cherrytrail and Braswell) uses same mrfld dpcm fw as Baytrail, * so pdata is same as Baytrail. */ static struct sst_platform_info chv_platform_data = { .probe_data = &byt_fwparse_info, .ipc_info = &byt_ipc_info, .lib_info = &byt_lib_dnld_info, .res_info = &byt_rvp_res_info, .platform = "sst-mfld-platform", }; static int sst_platform_get_resources(struct intel_sst_drv *ctx) { struct resource *rsrc; struct platform_device *pdev = to_platform_device(ctx->dev); /* All ACPI resource request here */ /* Get Shim addr */ rsrc = platform_get_resource(pdev, IORESOURCE_MEM, ctx->pdata->res_info->acpi_lpe_res_index); if (!rsrc) { dev_err(ctx->dev, "Invalid SHIM base from IFWI"); return -EIO; } dev_info(ctx->dev, "LPE base: %#x size:%#x", (unsigned int) rsrc->start, (unsigned int)resource_size(rsrc)); ctx->iram_base = rsrc->start + ctx->pdata->res_info->iram_offset; ctx->iram_end = ctx->iram_base + ctx->pdata->res_info->iram_size - 1; dev_info(ctx->dev, "IRAM base: %#x", ctx->iram_base); ctx->iram = devm_ioremap_nocache(ctx->dev, ctx->iram_base, ctx->pdata->res_info->iram_size); if (!ctx->iram) { dev_err(ctx->dev, "unable to map IRAM"); return -EIO; } ctx->dram_base = rsrc->start + ctx->pdata->res_info->dram_offset; ctx->dram_end = ctx->dram_base + ctx->pdata->res_info->dram_size - 1; dev_info(ctx->dev, "DRAM base: %#x", ctx->dram_base); ctx->dram = devm_ioremap_nocache(ctx->dev, ctx->dram_base, ctx->pdata->res_info->dram_size); if (!ctx->dram) { dev_err(ctx->dev, "unable to map DRAM"); return -EIO; } ctx->shim_phy_add = rsrc->start + ctx->pdata->res_info->shim_offset; dev_info(ctx->dev, "SHIM base: %#x", ctx->shim_phy_add); ctx->shim = devm_ioremap_nocache(ctx->dev, ctx->shim_phy_add, ctx->pdata->res_info->shim_size); if (!ctx->shim) { dev_err(ctx->dev, "unable to map SHIM"); return -EIO; } /* reassign physical address to LPE viewpoint address */ ctx->shim_phy_add = ctx->pdata->res_info->shim_phy_addr; /* Get mailbox addr */ ctx->mailbox_add = rsrc->start + ctx->pdata->res_info->mbox_offset; dev_info(ctx->dev, "Mailbox base: %#x", ctx->mailbox_add); ctx->mailbox = devm_ioremap_nocache(ctx->dev, ctx->mailbox_add, ctx->pdata->res_info->mbox_size); if (!ctx->mailbox) { dev_err(ctx->dev, "unable to map mailbox"); return -EIO; } /* reassign physical address to LPE viewpoint address */ ctx->mailbox_add = ctx->info.mailbox_start; rsrc = platform_get_resource(pdev, IORESOURCE_MEM, ctx->pdata->res_info->acpi_ddr_index); if (!rsrc) { dev_err(ctx->dev, "Invalid DDR base from IFWI"); return -EIO; } ctx->ddr_base = rsrc->start; ctx->ddr_end = rsrc->end; dev_info(ctx->dev, "DDR base: %#x", ctx->ddr_base); ctx->ddr = devm_ioremap_nocache(ctx->dev, ctx->ddr_base, resource_size(rsrc)); if (!ctx->ddr) { dev_err(ctx->dev, "unable to map DDR"); return -EIO; } /* Find the IRQ */ ctx->irq_num = platform_get_irq(pdev, ctx->pdata->res_info->acpi_ipc_irq_index); return 0; } static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level, void *context, void **ret) { *(bool *)context = true; return AE_OK; } static struct sst_machines *sst_acpi_find_machine( struct sst_machines *machines) { struct sst_machines *mach; bool found = false; for (mach = machines; mach->codec_id; mach++) if (ACPI_SUCCESS(acpi_get_devices(mach->codec_id, sst_acpi_mach_match, &found, NULL)) && found) return mach; return NULL; } int sst_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; int ret = 0; struct intel_sst_drv *ctx; const struct acpi_device_id *id; struct sst_machines *mach; struct platform_device *mdev; struct platform_device *plat_dev; unsigned int dev_id; id = acpi_match_device(dev->driver->acpi_match_table, dev); if (!id) return -ENODEV; dev_dbg(dev, "for %s", id->id); mach = (struct sst_machines *)id->driver_data; mach = sst_acpi_find_machine(mach); if (mach == NULL) { dev_err(dev, "No matching machine driver found\n"); return -ENODEV; } ret = kstrtouint(id->id, 16, &dev_id); if (ret < 0) { dev_err(dev, "Unique device id conversion error: %d\n", ret); return ret; } dev_dbg(dev, "ACPI device id: %x\n", dev_id); plat_dev = platform_device_register_data(dev, mach->pdata->platform, -1, NULL, 0); if (IS_ERR(plat_dev)) { dev_err(dev, "Failed to create machine device: %s\n", mach->pdata->platform); return PTR_ERR(plat_dev); } /* Create platform device for sst machine driver */ mdev = platform_device_register_data(dev, mach->machine, -1, NULL, 0); if (IS_ERR(mdev)) { dev_err(dev, "Failed to create machine device: %s\n", mach->machine); return PTR_ERR(mdev); } ret = sst_alloc_drv_context(&ctx, dev, dev_id); if (ret < 0) return ret; /* Fill sst platform data */ ctx->pdata = mach->pdata; strcpy(ctx->firmware_name, mach->firmware); ret = sst_platform_get_resources(ctx); if (ret) return ret; ret = sst_context_init(ctx); if (ret < 0) return ret; /* need to save shim registers in BYT */ ctx->shim_regs64 = devm_kzalloc(ctx->dev, sizeof(*ctx->shim_regs64), GFP_KERNEL); if (!ctx->shim_regs64) { return -ENOMEM; goto do_sst_cleanup; } sst_configure_runtime_pm(ctx); platform_set_drvdata(pdev, ctx); return ret; do_sst_cleanup: sst_context_cleanup(ctx); platform_set_drvdata(pdev, NULL); dev_err(ctx->dev, "failed with %d\n", ret); return ret; } /** * intel_sst_remove - remove function * * @pdev: platform device structure * * This function is called by OS when a device is unloaded * This frees the interrupt etc */ int sst_acpi_remove(struct platform_device *pdev) { struct intel_sst_drv *ctx; ctx = platform_get_drvdata(pdev); sst_context_cleanup(ctx); platform_set_drvdata(pdev, NULL); return 0; } static struct sst_machines sst_acpi_bytcr[] = { {"10EC5640", "T100", "bytt100_rt5640", NULL, "intel/fw_sst_0f28.bin", &byt_rvp_platform_data }, {}, }; /* Cherryview-based platforms: CherryTrail and Braswell */ static struct sst_machines sst_acpi_chv[] = { {"10EC5670", "cht-bsw", "cht-bsw-rt5672", NULL, "intel/fw_sst_22a8.bin", &chv_platform_data }, {}, }; static const struct acpi_device_id sst_acpi_ids[] = { { "80860F28", (unsigned long)&sst_acpi_bytcr}, { "808622A8", (unsigned long) &sst_acpi_chv}, { }, }; MODULE_DEVICE_TABLE(acpi, sst_acpi_ids); static struct platform_driver sst_acpi_driver = { .driver = { .name = "intel_sst_acpi", .owner = THIS_MODULE, .acpi_match_table = ACPI_PTR(sst_acpi_ids), .pm = &intel_sst_pm, }, .probe = sst_acpi_probe, .remove = sst_acpi_remove, }; module_platform_driver(sst_acpi_driver); MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine ACPI Driver"); MODULE_AUTHOR("Ramesh Babu K V"); MODULE_AUTHOR("Omair Mohammed Abdullah"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("sst");