diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index ae7f87221a3c..c963a5d34111 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -3,7 +3,7 @@ config SND_MFLD_MACHINE depends on INTEL_SCU_IPC select SND_SOC_SN95031 select SND_SST_MFLD_PLATFORM - select SND_SST_IPC + select SND_SST_IPC_PCI help This adds support for ASoC machine driver for Intel(R) MID Medfield platform used as alsa device in audio substem in Intel(R) MID devices @@ -16,6 +16,10 @@ config SND_SST_MFLD_PLATFORM config SND_SST_IPC tristate +config SND_SST_IPC_PCI + tristate + select SND_SST_IPC + config SND_SOC_INTEL_SST tristate "ASoC support for Intel(R) Smart Sound Technology" select SND_SOC_INTEL_SST_ACPI if ACPI diff --git a/sound/soc/intel/sst/Makefile b/sound/soc/intel/sst/Makefile index 4d0e79b1f8ce..b8aa1d35df74 100644 --- a/sound/soc/intel/sst/Makefile +++ b/sound/soc/intel/sst/Makefile @@ -1,3 +1,7 @@ -snd-intel-sst-objs := sst.o sst_ipc.o sst_stream.o sst_drv_interface.o sst_loader.o sst_pvt.o +snd-intel-sst-core-objs := sst.o sst_ipc.o sst_stream.o sst_drv_interface.o sst_loader.o sst_pvt.o +snd-intel-sst-pci-objs += sst_pci.o + + +obj-$(CONFIG_SND_SST_IPC) += snd-intel-sst-core.o +obj-$(CONFIG_SND_SST_IPC_PCI) += snd-intel-sst-pci.o -obj-$(CONFIG_SND_SST_IPC) += snd-intel-sst.o diff --git a/sound/soc/intel/sst/sst.c b/sound/soc/intel/sst/sst.c index 2bfb404ea7c1..875375485989 100644 --- a/sound/soc/intel/sst/sst.c +++ b/sound/soc/intel/sst/sst.c @@ -20,20 +20,14 @@ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include -#include #include #include #include #include #include #include -#include -#include #include -#include #include -#include -#include #include #include "../sst-mfld-platform.h" #include "sst.h" @@ -242,6 +236,7 @@ int sst_alloc_drv_context(struct intel_sst_drv **ctx, return 0; } +EXPORT_SYMBOL_GPL(sst_alloc_drv_context); int sst_context_init(struct intel_sst_drv *ctx) { @@ -260,6 +255,7 @@ int sst_context_init(struct intel_sst_drv *ctx) return -EINVAL; sst_init_locks(ctx); + sst_set_fw_state_locked(ctx, SST_RESET); /* pvt_id 0 reserved for async messages */ ctx->pvt_id = 1; @@ -307,12 +303,22 @@ int sst_context_init(struct intel_sst_drv *ctx) } pm_qos_add_request(ctx->qos, PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE); + + dev_dbg(ctx->dev, "Requesting FW %s now...\n", ctx->firmware_name); + ret = request_firmware_nowait(THIS_MODULE, true, ctx->firmware_name, + ctx->dev, GFP_KERNEL, ctx, sst_firmware_load_cb); + if (ret) { + dev_err(ctx->dev, "Firmware download failed:%d\n", ret); + goto do_free_mem; + } + sst_register(ctx->dev); return 0; do_free_mem: destroy_workqueue(ctx->post_msg_wq); return ret; } +EXPORT_SYMBOL_GPL(sst_context_init); void sst_context_cleanup(struct intel_sst_drv *ctx) { @@ -331,6 +337,7 @@ void sst_context_cleanup(struct intel_sst_drv *ctx) sst_memcpy_free_resources(ctx); ctx = NULL; } +EXPORT_SYMBOL_GPL(sst_context_cleanup); void sst_configure_runtime_pm(struct intel_sst_drv *ctx) { @@ -339,175 +346,7 @@ void sst_configure_runtime_pm(struct intel_sst_drv *ctx) pm_runtime_allow(ctx->dev); pm_runtime_put_noidle(ctx->dev); } - -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) - return ret; - - /* map registers */ - /* DDR base */ - 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(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 != 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; - } - ctx->ddr_end = pci_resource_end(pci, 0); - - ctx->ddr = pcim_iomap(pci, 0, - pci_resource_len(pci, 0)); - if (!ctx->ddr) { - ret = -EINVAL; - goto do_release_regions; - } - dev_dbg(ctx->dev, "sst: DDR Ptr %p\n", ctx->ddr); - } else { - ctx->ddr = NULL; - } - /* 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(ctx->dev, "SST Shim Ptr %p\n", ctx->shim); - - /* Shared SRAM */ - 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(ctx->dev, "SRAM Ptr %p\n", ctx->mailbox); - - /* 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(ctx->dev, "IRAM Ptr %p\n", ctx->iram); - - /* 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(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), - "%s%04x%s", "fw_sst_", - sst_drv_ctx->dev_id, ".bin"); - dev_dbg(sst_drv_ctx->dev, - "Requesting FW %s now...\n", sst_drv_ctx->firmware_name); - ret = request_firmware_nowait(THIS_MODULE, 1, - sst_drv_ctx->firmware_name, sst_drv_ctx->dev, - GFP_KERNEL, sst_drv_ctx, sst_firmware_load_cb); - - if (ret) { - dev_err(sst_drv_ctx->dev, - "Firmware load failed with error: %d\n", ret); - goto do_release_regions; - } - - - pci_set_drvdata(pci, sst_drv_ctx); - sst_configure_runtime_pm(sst_drv_ctx); - sst_register(sst_drv_ctx->dev); - - return ret; - -do_release_regions: - pci_release_regions(pci); -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); - return ret; -} - -/** -* intel_sst_remove - PCI remove function -* -* @pci: PCI device structure -* -* This function is called by OS when a device is unloaded -* This frees the interrupt etc -*/ -static void intel_sst_remove(struct pci_dev *pci) -{ - struct intel_sst_drv *sst_drv_ctx = pci_get_drvdata(pci); - - sst_context_cleanup(sst_drv_ctx); - pci_dev_put(sst_drv_ctx->pci); - pci_release_regions(pci); - pci_set_drvdata(pci, NULL); -} +EXPORT_SYMBOL_GPL(sst_configure_runtime_pm); static int intel_sst_runtime_suspend(struct device *dev) { @@ -546,27 +385,8 @@ static int intel_sst_runtime_resume(struct device *dev) return ret; } -static const struct dev_pm_ops intel_sst_pm = { +const struct dev_pm_ops intel_sst_pm = { .runtime_suspend = intel_sst_runtime_suspend, .runtime_resume = intel_sst_runtime_resume, }; - -/* PCI Routines */ -static struct pci_device_id intel_sst_ids[] = { - { PCI_VDEVICE(INTEL, SST_MRFLD_PCI_ID), 0}, - { 0, } -}; - -static struct pci_driver sst_driver = { - .name = SST_DRV_NAME, - .id_table = intel_sst_ids, - .probe = intel_sst_probe, - .remove = intel_sst_remove, -#ifdef CONFIG_PM - .driver = { - .pm = &intel_sst_pm, - }, -#endif -}; - -module_pci_driver(sst_driver); +EXPORT_SYMBOL_GPL(intel_sst_pm); diff --git a/sound/soc/intel/sst/sst.h b/sound/soc/intel/sst/sst.h index b65b9c0d8750..3ee555e31716 100644 --- a/sound/soc/intel/sst/sst.h +++ b/sound/soc/intel/sst/sst.h @@ -40,6 +40,7 @@ #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4 #define MRFLD_FW_BSS_RESET_BIT 0 +extern const struct dev_pm_ops intel_sst_pm; enum sst_states { SST_FW_LOADING = 1, SST_FW_RUNNING, @@ -537,4 +538,9 @@ void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg, int sst_register(struct device *); int sst_unregister(struct device *); +int sst_alloc_drv_context(struct intel_sst_drv **ctx, + struct device *dev, unsigned int dev_id); +int sst_context_init(struct intel_sst_drv *ctx); +void sst_context_cleanup(struct intel_sst_drv *ctx); +void sst_configure_runtime_pm(struct intel_sst_drv *ctx); #endif diff --git a/sound/soc/intel/sst/sst_pci.c b/sound/soc/intel/sst/sst_pci.c new file mode 100644 index 000000000000..3a0b3bf0af97 --- /dev/null +++ b/sound/soc/intel/sst/sst_pci.c @@ -0,0 +1,209 @@ +/* + * sst_pci.c - SST (LPE) driver init file for pci enumeration. + * + * Copyright (C) 2008-14 Intel Corp + * Authors: Vinod Koul + * Harsha Priya + * Dharageswari R + * KP Jeeja + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that 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 "../sst-mfld-platform.h" +#include "sst.h" + +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) + return ret; + + /* map registers */ + /* DDR base */ + 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(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 != 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; + } + ctx->ddr_end = pci_resource_end(pci, 0); + + ctx->ddr = pcim_iomap(pci, 0, + pci_resource_len(pci, 0)); + if (!ctx->ddr) { + ret = -EINVAL; + goto do_release_regions; + } + dev_dbg(ctx->dev, "sst: DDR Ptr %p\n", ctx->ddr); + } else { + ctx->ddr = NULL; + } + /* 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(ctx->dev, "SST Shim Ptr %p\n", ctx->shim); + + /* Shared SRAM */ + 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(ctx->dev, "SRAM Ptr %p\n", ctx->mailbox); + + /* 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(ctx->dev, "IRAM Ptr %p\n", ctx->iram); + + /* 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(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; + snprintf(sst_drv_ctx->firmware_name, sizeof(sst_drv_ctx->firmware_name), + "%s%04x%s", "fw_sst_", + sst_drv_ctx->dev_id, ".bin"); + + ret = sst_context_init(sst_drv_ctx); + if (ret < 0) + return ret; + + /* 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_drv_ctx; + } + sst_drv_ctx->pci = pci_dev_get(pci); + ret = sst_platform_get_resources(sst_drv_ctx); + if (ret < 0) + goto do_free_drv_ctx; + + pci_set_drvdata(pci, sst_drv_ctx); + sst_configure_runtime_pm(sst_drv_ctx); + + return ret; + +do_free_drv_ctx: + sst_context_cleanup(sst_drv_ctx); + dev_err(sst_drv_ctx->dev, "Probe failed with %d\n", ret); + return ret; +} + +/** + * intel_sst_remove - PCI remove function + * + * @pci: PCI device structure + * + * This function is called by OS when a device is unloaded + * This frees the interrupt etc + */ +static void intel_sst_remove(struct pci_dev *pci) +{ + struct intel_sst_drv *sst_drv_ctx = pci_get_drvdata(pci); + + sst_context_cleanup(sst_drv_ctx); + pci_dev_put(sst_drv_ctx->pci); + pci_release_regions(pci); + pci_set_drvdata(pci, NULL); +} + +/* PCI Routines */ +static struct pci_device_id intel_sst_ids[] = { + { PCI_VDEVICE(INTEL, SST_MRFLD_PCI_ID), 0}, + { 0, } +}; + +static struct pci_driver sst_driver = { + .name = SST_DRV_NAME, + .id_table = intel_sst_ids, + .probe = intel_sst_probe, + .remove = intel_sst_remove, +#ifdef CONFIG_PM + .driver = { + .pm = &intel_sst_pm, + }, +#endif +}; + +module_pci_driver(sst_driver); + +MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine PCI Driver"); +MODULE_AUTHOR("Vinod Koul "); +MODULE_AUTHOR("Harsha Priya "); +MODULE_AUTHOR("Dharageswari R "); +MODULE_AUTHOR("KP Jeeja "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("sst"); diff --git a/sound/soc/intel/sst/sst_pvt.c b/sound/soc/intel/sst/sst_pvt.c index 1c2e081fd813..9a5df1936516 100644 --- a/sound/soc/intel/sst/sst_pvt.c +++ b/sound/soc/intel/sst/sst_pvt.c @@ -433,6 +433,7 @@ u32 relocate_imr_addr_mrfld(u32 base_addr) base_addr = MRFLD_FW_VIRTUAL_BASE + (base_addr % (512 * 1024 * 1024)); return base_addr; } +EXPORT_SYMBOL_GPL(relocate_imr_addr_mrfld); void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst, struct ipc_post *msg)