// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)//// This file is provided under a dual BSD/GPLv2 license. When using or// redistributing this file, you may do so under either license.//// Copyright(c) 2018 Intel Corporation//// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>// #include <linux/firmware.h>#include <linux/module.h>#include <sound/soc.h>#include <sound/sof.h>#include "sof-priv.h"#include "sof-of-dev.h"#include "ops.h" #define CREATE_TRACE_POINTS#include <trace/events/sof.h> /* Module parameters for firmware, topology and IPC type override */static char *override_fw_path;module_param_named(fw_path, override_fw_path, charp, 0444);MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); static char *override_fw_filename;module_param_named(fw_filename, override_fw_filename, charp, 0444);MODULE_PARM_DESC(fw_filename, "alternate filename for SOF firmware."); static char *override_lib_path;module_param_named(lib_path, override_lib_path, charp, 0444);MODULE_PARM_DESC(lib_path, "alternate path for SOF firmware libraries."); static char *override_tplg_path;module_param_named(tplg_path, override_tplg_path, charp, 0444);MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); static char *override_tplg_filename;module_param_named(tplg_filename, override_tplg_filename, charp, 0444);MODULE_PARM_DESC(tplg_filename, "alternate filename for SOF topology."); static int override_ipc_type = -1;module_param_named(ipc_type, override_ipc_type, int, 0444);MODULE_PARM_DESC(ipc_type, "Force SOF IPC type. 0 - IPC3, 1 - IPC4"); /* see SOF_DBG_ flags */static int sof_core_debug = IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE_TRACE);module_param_named(sof_debug, sof_core_debug, int, 0444);MODULE_PARM_DESC(sof_debug, "SOF core debug options (0x0 all off)"); #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG)static unsigned int sof_ipc_timeout_ms;static unsigned int sof_boot_timeout_ms;module_param_named(ipc_timeout, sof_ipc_timeout_ms, uint, 0444);MODULE_PARM_DESC(ipc_timeout, "Set the IPC timeout value in ms (0 to use the platform default)");module_param_named(boot_timeout, sof_boot_timeout_ms, uint, 0444);MODULE_PARM_DESC(boot_timeout, "Set the DSP boot timeout value in ms (0 to use the platform default)");#endif /* SOF defaults if not provided by the platform in ms */#define TIMEOUT_DEFAULT_IPC_MS 500#define TIMEOUT_DEFAULT_BOOT_MS 2000 /** * sof_debug_check_flag - check if a given flag(s) is set in sof_core_debug * @mask: Flag or combination of flags to check * * Returns true if all bits set in mask is also set in sof_core_debug, otherwise * false */bool sof_debug_check_flag(int mask){ if ((sof_core_debug & mask) == mask) return true; return false;}EXPORT_SYMBOL(sof_debug_check_flag); /* * FW Panic/fault handling. */ struct sof_panic_msg { u32 id; const char *msg;}; /* standard FW panic types */static const struct sof_panic_msg panic_msg[] = { {SOF_IPC_PANIC_MEM, "out of memory"}, {SOF_IPC_PANIC_WORK, "work subsystem init failed"}, {SOF_IPC_PANIC_IPC, "IPC subsystem init failed"}, {SOF_IPC_PANIC_ARCH, "arch init failed"}, {SOF_IPC_PANIC_PLATFORM, "platform init failed"}, {SOF_IPC_PANIC_TASK, "scheduler init failed"}, {SOF_IPC_PANIC_EXCEPTION, "runtime exception"}, {SOF_IPC_PANIC_DEADLOCK, "deadlock"}, {SOF_IPC_PANIC_STACK, "stack overflow"}, {SOF_IPC_PANIC_IDLE, "can't enter idle"}, {SOF_IPC_PANIC_WFI, "invalid wait state"}, {SOF_IPC_PANIC_ASSERT, "assertion failed"},}; /** * sof_print_oops_and_stack - Handle the printing of DSP oops and stack trace * @sdev: Pointer to the device's sdev * @level: prink log level to use for the printing * @panic_code: the panic code * @tracep_code: tracepoint code * @oops: Pointer to DSP specific oops data * @panic_info: Pointer to the received panic information message * @stack: Pointer to the call stack data * @stack_words: Number of words in the stack data * * helper to be called from .dbg_dump callbacks. No error code is * provided, it's left as an exercise for the caller of .dbg_dump * (typically IPC or loader) */void sof_print_oops_and_stack(struct snd_sof_dev *sdev, const char *level, u32 panic_code, u32 tracep_code, void *oops, struct sof_ipc_panic_info *panic_info, void *stack, size_t stack_words){ u32 code; int i; /* is firmware dead ? */ if ((panic_code & SOF_IPC_PANIC_MAGIC_MASK) != SOF_IPC_PANIC_MAGIC) { dev_printk(level, sdev->dev, "unexpected fault %#010x trace %#010x\n", panic_code, tracep_code); return; /* no fault ? */ } code = panic_code & (SOF_IPC_PANIC_MAGIC_MASK | SOF_IPC_PANIC_CODE_MASK); for (i = 0; i < ARRAY_SIZE(panic_msg); i++) { if (panic_msg[i].id == code) { dev_printk(level, sdev->dev, "reason: %s (%#x)\n", panic_msg[i].msg, code & SOF_IPC_PANIC_CODE_MASK); dev_printk(level, sdev->dev, "trace point: %#010x\n", tracep_code); goto out; } } /* unknown error */ dev_printk(level, sdev->dev, "unknown panic code: %#x\n", code & SOF_IPC_PANIC_CODE_MASK); dev_printk(level, sdev->dev, "trace point: %#010x\n", tracep_code); out: dev_printk(level, sdev->dev, "panic at %s:%d\n", panic_info->filename, panic_info->linenum); sof_oops(sdev, level, oops); sof_stack(sdev, level, oops, stack, stack_words);}EXPORT_SYMBOL(sof_print_oops_and_stack); /* Helper to manage DSP state */void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state){ if (sdev->fw_state == new_state) return; dev_dbg(sdev->dev, "fw_state change: %d -> %d\n", sdev->fw_state, new_state); sdev->fw_state = new_state; switch (new_state) { case SOF_FW_BOOT_NOT_STARTED: case SOF_FW_BOOT_COMPLETE: case SOF_FW_CRASHED: sof_client_fw_state_dispatcher(sdev); fallthrough; default: break; }}EXPORT_SYMBOL(sof_set_fw_state); static struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev){ struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; struct snd_sof_of_mach *mach = desc->of_machines; if (!mach) return NULL; for (; mach->compatible; mach++) { if (of_machine_is_compatible(mach->compatible)) { sof_pdata->tplg_filename = mach->sof_tplg_filename; if (mach->fw_filename) sof_pdata->fw_filename = mach->fw_filename; return mach; } } return NULL;} /* SOF Driver enumeration */static int sof_machine_check(struct snd_sof_dev *sdev){ struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; struct snd_soc_acpi_mach *mach; if (!IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)) { const struct snd_sof_of_mach *of_mach; if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) goto nocodec; /* find machine */ mach = snd_sof_machine_select(sdev); if (mach) { sof_pdata->machine = mach; if (sof_pdata->subsystem_id_set) { mach->mach_params.subsystem_vendor = sof_pdata->subsystem_vendor; mach->mach_params.subsystem_device = sof_pdata->subsystem_device; mach->mach_params.subsystem_id_set = true; } snd_sof_set_mach_params(mach, sdev); return 0; } of_mach = sof_of_machine_select(sdev); if (of_mach) { sof_pdata->of_machine = of_mach; return 0; } if (!IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)) { dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n"); return -ENODEV; } } else { dev_warn(sdev->dev, "Force to use nocodec mode\n"); } nocodec: /* select nocodec mode */ dev_warn(sdev->dev, "Using nocodec machine driver\n"); mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL); if (!mach) return -ENOMEM; mach->drv_name = "sof-nocodec"; if (!sof_pdata->tplg_filename) sof_pdata->tplg_filename = desc->nocodec_tplg_filename; sof_pdata->machine = mach; snd_sof_set_mach_params(mach, sdev); return 0;} static int sof_select_ipc_and_paths(struct snd_sof_dev *sdev){ struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; struct sof_loadable_file_profile out_profile; struct device *dev = sdev->dev; int ret; if (base_profile->ipc_type != plat_data->desc->ipc_default) dev_info(dev, "Module parameter used, overriding default IPC %d to %d\n", plat_data->desc->ipc_default, base_profile->ipc_type); if (base_profile->fw_path) dev_dbg(dev, "Module parameter used, changed fw path to %s\n", base_profile->fw_path); else if (base_profile->fw_path_postfix) dev_dbg(dev, "Path postfix appended to default fw path: %s\n", base_profile->fw_path_postfix); if (base_profile->fw_lib_path) dev_dbg(dev, "Module parameter used, changed fw_lib path to %s\n", base_profile->fw_lib_path); else if (base_profile->fw_lib_path_postfix) dev_dbg(dev, "Path postfix appended to default fw_lib path: %s\n", base_profile->fw_lib_path_postfix); if (base_profile->fw_name) dev_dbg(dev, "Module parameter used, changed fw filename to %s\n", base_profile->fw_name); if (base_profile->tplg_path) dev_dbg(dev, "Module parameter used, changed tplg path to %s\n", base_profile->tplg_path); if (base_profile->tplg_name) dev_dbg(dev, "Module parameter used, changed tplg name to %s\n", base_profile->tplg_name); ret = sof_create_ipc_file_profile(sdev, base_profile, &out_profile); if (ret) return ret; plat_data->ipc_type = out_profile.ipc_type; plat_data->fw_filename = out_profile.fw_name; plat_data->fw_filename_prefix = out_profile.fw_path; plat_data->fw_lib_prefix = out_profile.fw_lib_path; plat_data->tplg_filename_prefix = out_profile.tplg_path; return 0;} static int validate_sof_ops(struct snd_sof_dev *sdev){ int ret; /* init ops, if necessary */ ret = sof_ops_init(sdev); if (ret < 0) return ret; /* check all mandatory ops */ if (!sof_ops(sdev) || !sof_ops(sdev)->probe) { dev_err(sdev->dev, "missing mandatory ops\n"); sof_ops_free(sdev); return -EINVAL; } if (!sdev->dspless_mode_selected && (!sof_ops(sdev)->run || !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write || !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware || !sof_ops(sdev)->ipc_msg_data)) { dev_err(sdev->dev, "missing mandatory DSP ops\n"); sof_ops_free(sdev); return -EINVAL; } return 0;} static int sof_init_sof_ops(struct snd_sof_dev *sdev){ struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; /* check IPC support */ if (!(BIT(base_profile->ipc_type) & plat_data->desc->ipc_supported_mask)) { dev_err(sdev->dev, "ipc_type %d is not supported on this platform, mask is %#x\n", base_profile->ipc_type, plat_data->desc->ipc_supported_mask); return -EINVAL; } /* * Save the selected IPC type and a topology name override before * selecting ops since platform code might need this information */ plat_data->ipc_type = base_profile->ipc_type; plat_data->tplg_filename = base_profile->tplg_name; return validate_sof_ops(sdev);} static int sof_init_environment(struct snd_sof_dev *sdev){ struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; int ret; /* probe the DSP hardware */ ret = snd_sof_probe(sdev); if (ret < 0) { dev_err(sdev->dev, "failed to probe DSP %d\n", ret); goto err_sof_probe; } /* check machine info */ ret = sof_machine_check(sdev); if (ret < 0) { dev_err(sdev->dev, "failed to get machine info %d\n", ret); goto err_machine_check; } ret = sof_select_ipc_and_paths(sdev); if (ret) { goto err_machine_check; } else if (plat_data->ipc_type != base_profile->ipc_type) { /* IPC type changed, re-initialize the ops */ sof_ops_free(sdev); ret = validate_sof_ops(sdev); if (ret < 0) { snd_sof_remove(sdev); snd_sof_remove_late(sdev); return ret; } } return 0; err_machine_check: snd_sof_remove(sdev);err_sof_probe: snd_sof_remove_late(sdev); sof_ops_free(sdev); return ret;} /* * FW Boot State Transition Diagram * * +----------------------------------------------------------------------+ * | | * ------------------ ------------------ | * | | | | | * | BOOT_FAILED |<-------| READY_FAILED | | * | |<--+ | | ------------------ | * ------------------ | ------------------ | | | * ^ | ^ | CRASHED |---+ | * | | | | | | | * (FW Boot Timeout) | (FW_READY FAIL) ------------------ | | * | | | ^ | | * | | | |(DSP Panic) | | * ------------------ | | ------------------ | | * | | | | | | | | * | IN_PROGRESS |---------------+------------->| COMPLETE | | | * | | (FW Boot OK) (FW_READY OK) | | | | * ------------------ | ------------------ | | * ^ | | | | * | | | | | * (FW Loading OK) | (System Suspend/Runtime Suspend) * | | | | | * | (FW Loading Fail) | | | * ------------------ | ------------------ | | | * | | | | |<-----+ | | * | PREPARE |---+ | NOT_STARTED |<---------------------+ | * | | | |<--------------------------+ * ------------------ ------------------ * | ^ | ^ * | | | | * | +-----------------------+ | * | (DSP Probe OK) | * | | * | | * +------------------------------------+ * (System Suspend/Runtime Suspend) */ static int sof_probe_continue(struct snd_sof_dev *sdev){ struct snd_sof_pdata *plat_data = sdev->pdata; int ret; /* Initialize loadable file paths and check the environment validity */ ret = sof_init_environment(sdev); if (ret) return ret; sof_set_fw_state(sdev, SOF_FW_BOOT_PREPARE); /* set up platform component driver */ snd_sof_new_platform_drv(sdev); if (sdev->dspless_mode_selected) { sof_set_fw_state(sdev, SOF_DSPLESS_MODE); goto skip_dsp_init; } /* register any debug/trace capabilities */ ret = snd_sof_dbg_init(sdev); if (ret < 0) { /* * debugfs issues are suppressed in snd_sof_dbg_init() since * we cannot rely on debugfs * here we trap errors due to memory allocation only. */ dev_err(sdev->dev, "error: failed to init DSP trace/debug %d\n", ret); goto dbg_err; } /* init the IPC */ sdev->ipc = snd_sof_ipc_init(sdev); if (!sdev->ipc) { ret = -ENOMEM; dev_err(sdev->dev, "error: failed to init DSP IPC %d\n", ret); goto ipc_err; } /* load the firmware */ ret = snd_sof_load_firmware(sdev); if (ret < 0) { dev_err(sdev->dev, "error: failed to load DSP firmware %d\n", ret); sof_set_fw_state(sdev, SOF_FW_BOOT_FAILED);Lines 1–500 of 844. 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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2018 Intel Corporation // // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> // #include <linux/firmware.h> #include <linux/module.h> #include <sound/soc.h> #include <sound/sof.h> #include "sof-priv.h" #include "sof-of-dev.h" #include "ops.h" #define CREATE_TRACE_POINTS #include <trace/events/sof.h> /* Module parameters for firmware, topology and IPC type override */ static char *override_fw_path; module_param_named(fw_path, override_fw_path, charp, 0444); MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); static char *override_fw_filename; module_param_named(fw_filename, override_fw_filename, charp, 0444); MODULE_PARM_DESC(fw_filename, "alternate filename for SOF firmware."); static char *override_lib_path; module_param_named(lib_path, override_lib_path, charp, 0444); MODULE_PARM_DESC(lib_path, "alternate path for SOF firmware libraries."); static char *override_tplg_path; module_param_named(tplg_path, override_tplg_path, charp, 0444); MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); static char *override_tplg_filename; module_param_named(tplg_filename, override_tplg_filename, charp, 0444); MODULE_PARM_DESC(tplg_filename, "alternate filename for SOF topology."); static int override_ipc_type = -1; module_param_named(ipc_type, override_ipc_type, int, 0444); MODULE_PARM_DESC(ipc_type, "Force SOF IPC type. 0 - IPC3, 1 - IPC4"); /* see SOF_DBG_ flags */ static int sof_core_debug = IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE_TRACE); module_param_named(sof_debug, sof_core_debug, int, 0444); MODULE_PARM_DESC(sof_debug, "SOF core debug options (0x0 all off)"); #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) static unsigned int sof_ipc_timeout_ms; static unsigned int sof_boot_timeout_ms; module_param_named(ipc_timeout, sof_ipc_timeout_ms, uint, 0444); MODULE_PARM_DESC(ipc_timeout, "Set the IPC timeout value in ms (0 to use the platform default)"); module_param_named(boot_timeout, sof_boot_timeout_ms, uint, 0444); MODULE_PARM_DESC(boot_timeout, "Set the DSP boot timeout value in ms (0 to use the platform default)"); #endif /* SOF defaults if not provided by the platform in ms */ #define TIMEOUT_DEFAULT_IPC_MS 500 #define TIMEOUT_DEFAULT_BOOT_MS 2000 /** * sof_debug_check_flag - check if a given flag(s) is set in sof_core_debug * @mask: Flag or combination of flags to check * * Returns true if all bits set in mask is also set in sof_core_debug, otherwise * false */ bool sof_debug_check_flag(int mask) { if ((sof_core_debug & mask) == mask) return true; return false; } EXPORT_SYMBOL(sof_debug_check_flag); /* * FW Panic/fault handling. */ struct sof_panic_msg { u32 id; const char *msg; }; /* standard FW panic types */ static const struct sof_panic_msg panic_msg[] = { {SOF_IPC_PANIC_MEM, "out of memory"}, {SOF_IPC_PANIC_WORK, "work subsystem init failed"}, {SOF_IPC_PANIC_IPC, "IPC subsystem init failed"}, {SOF_IPC_PANIC_ARCH, "arch init failed"}, {SOF_IPC_PANIC_PLATFORM, "platform init failed"}, {SOF_IPC_PANIC_TASK, "scheduler init failed"}, {SOF_IPC_PANIC_EXCEPTION, "runtime exception"}, {SOF_IPC_PANIC_DEADLOCK, "deadlock"}, {SOF_IPC_PANIC_STACK, "stack overflow"}, {SOF_IPC_PANIC_IDLE, "can't enter idle"}, {SOF_IPC_PANIC_WFI, "invalid wait state"}, {SOF_IPC_PANIC_ASSERT, "assertion failed"}, }; /** * sof_print_oops_and_stack - Handle the printing of DSP oops and stack trace * @sdev: Pointer to the device's sdev * @level: prink log level to use for the printing * @panic_code: the panic code * @tracep_code: tracepoint code * @oops: Pointer to DSP specific oops data * @panic_info: Pointer to the received panic information message * @stack: Pointer to the call stack data * @stack_words: Number of words in the stack data * * helper to be called from .dbg_dump callbacks. No error code is * provided, it's left as an exercise for the caller of .dbg_dump * (typically IPC or loader) */ void sof_print_oops_and_stack(struct snd_sof_dev *sdev, const char *level, u32 panic_code, u32 tracep_code, void *oops, struct sof_ipc_panic_info *panic_info, void *stack, size_t stack_words) { u32 code; int i; /* is firmware dead ? */ if ((panic_code & SOF_IPC_PANIC_MAGIC_MASK) != SOF_IPC_PANIC_MAGIC) { dev_printk(level, sdev->dev, "unexpected fault %#010x trace %#010x\n", panic_code, tracep_code); return; /* no fault ? */ } code = panic_code & (SOF_IPC_PANIC_MAGIC_MASK | SOF_IPC_PANIC_CODE_MASK); for (i = 0; i < ARRAY_SIZE(panic_msg); i++) { if (panic_msg[i].id == code) { dev_printk(level, sdev->dev, "reason: %s (%#x)\n", panic_msg[i].msg, code & SOF_IPC_PANIC_CODE_MASK); dev_printk(level, sdev->dev, "trace point: %#010x\n", tracep_code); goto out; } } /* unknown error */ dev_printk(level, sdev->dev, "unknown panic code: %#x\n", code & SOF_IPC_PANIC_CODE_MASK); dev_printk(level, sdev->dev, "trace point: %#010x\n", tracep_code); out: dev_printk(level, sdev->dev, "panic at %s:%d\n", panic_info->filename, panic_info->linenum); sof_oops(sdev, level, oops); sof_stack(sdev, level, oops, stack, stack_words); } EXPORT_SYMBOL(sof_print_oops_and_stack); /* Helper to manage DSP state */ void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state) { if (sdev->fw_state == new_state) return; dev_dbg(sdev->dev, "fw_state change: %d -> %d\n", sdev->fw_state, new_state); sdev->fw_state = new_state; switch (new_state) { case SOF_FW_BOOT_NOT_STARTED: case SOF_FW_BOOT_COMPLETE: case SOF_FW_CRASHED: sof_client_fw_state_dispatcher(sdev); fallthrough; default: break; } } EXPORT_SYMBOL(sof_set_fw_state); static struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev) { struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; struct snd_sof_of_mach *mach = desc->of_machines; if (!mach) return NULL; for (; mach->compatible; mach++) { if (of_machine_is_compatible(mach->compatible)) { sof_pdata->tplg_filename = mach->sof_tplg_filename; if (mach->fw_filename) sof_pdata->fw_filename = mach->fw_filename; return mach; } } return NULL; } /* SOF Driver enumeration */ static int sof_machine_check(struct snd_sof_dev *sdev) { struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; struct snd_soc_acpi_mach *mach; if (!IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)) { const struct snd_sof_of_mach *of_mach; if (IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC_DEBUG_SUPPORT) && sof_debug_check_flag(SOF_DBG_FORCE_NOCODEC)) goto nocodec; /* find machine */ mach = snd_sof_machine_select(sdev); if (mach) { sof_pdata->machine = mach; if (sof_pdata->subsystem_id_set) { mach->mach_params.subsystem_vendor = sof_pdata->subsystem_vendor; mach->mach_params.subsystem_device = sof_pdata->subsystem_device; mach->mach_params.subsystem_id_set = true; } snd_sof_set_mach_params(mach, sdev); return 0; } of_mach = sof_of_machine_select(sdev); if (of_mach) { sof_pdata->of_machine = of_mach; return 0; } if (!IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)) { dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n"); return -ENODEV; } } else { dev_warn(sdev->dev, "Force to use nocodec mode\n"); } nocodec: /* select nocodec mode */ dev_warn(sdev->dev, "Using nocodec machine driver\n"); mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL); if (!mach) return -ENOMEM; mach->drv_name = "sof-nocodec"; if (!sof_pdata->tplg_filename) sof_pdata->tplg_filename = desc->nocodec_tplg_filename; sof_pdata->machine = mach; snd_sof_set_mach_params(mach, sdev); return 0; } static int sof_select_ipc_and_paths(struct snd_sof_dev *sdev) { struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; struct sof_loadable_file_profile out_profile; struct device *dev = sdev->dev; int ret; if (base_profile->ipc_type != plat_data->desc->ipc_default) dev_info(dev, "Module parameter used, overriding default IPC %d to %d\n", plat_data->desc->ipc_default, base_profile->ipc_type); if (base_profile->fw_path) dev_dbg(dev, "Module parameter used, changed fw path to %s\n", base_profile->fw_path); else if (base_profile->fw_path_postfix) dev_dbg(dev, "Path postfix appended to default fw path: %s\n", base_profile->fw_path_postfix); if (base_profile->fw_lib_path) dev_dbg(dev, "Module parameter used, changed fw_lib path to %s\n", base_profile->fw_lib_path); else if (base_profile->fw_lib_path_postfix) dev_dbg(dev, "Path postfix appended to default fw_lib path: %s\n", base_profile->fw_lib_path_postfix); if (base_profile->fw_name) dev_dbg(dev, "Module parameter used, changed fw filename to %s\n", base_profile->fw_name); if (base_profile->tplg_path) dev_dbg(dev, "Module parameter used, changed tplg path to %s\n", base_profile->tplg_path); if (base_profile->tplg_name) dev_dbg(dev, "Module parameter used, changed tplg name to %s\n", base_profile->tplg_name); ret = sof_create_ipc_file_profile(sdev, base_profile, &out_profile); if (ret) return ret; plat_data->ipc_type = out_profile.ipc_type; plat_data->fw_filename = out_profile.fw_name; plat_data->fw_filename_prefix = out_profile.fw_path; plat_data->fw_lib_prefix = out_profile.fw_lib_path; plat_data->tplg_filename_prefix = out_profile.tplg_path; return 0; } static int validate_sof_ops(struct snd_sof_dev *sdev) { int ret; /* init ops, if necessary */ ret = sof_ops_init(sdev); if (ret < 0) return ret; /* check all mandatory ops */ if (!sof_ops(sdev) || !sof_ops(sdev)->probe) { dev_err(sdev->dev, "missing mandatory ops\n"); sof_ops_free(sdev); return -EINVAL; } if (!sdev->dspless_mode_selected && (!sof_ops(sdev)->run || !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write || !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware || !sof_ops(sdev)->ipc_msg_data)) { dev_err(sdev->dev, "missing mandatory DSP ops\n"); sof_ops_free(sdev); return -EINVAL; } return 0; } static int sof_init_sof_ops(struct snd_sof_dev *sdev) { struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; /* check IPC support */ if (!(BIT(base_profile->ipc_type) & plat_data->desc->ipc_supported_mask)) { dev_err(sdev->dev, "ipc_type %d is not supported on this platform, mask is %#x\n", base_profile->ipc_type, plat_data->desc->ipc_supported_mask); return -EINVAL; } /* * Save the selected IPC type and a topology name override before * selecting ops since platform code might need this information */ plat_data->ipc_type = base_profile->ipc_type; plat_data->tplg_filename = base_profile->tplg_name; return validate_sof_ops(sdev); } static int sof_init_environment(struct snd_sof_dev *sdev) { struct snd_sof_pdata *plat_data = sdev->pdata; struct sof_loadable_file_profile *base_profile = &plat_data->ipc_file_profile_base; int ret; /* probe the DSP hardware */ ret = snd_sof_probe(sdev); if (ret < 0) { dev_err(sdev->dev, "failed to probe DSP %d\n", ret); goto err_sof_probe; } /* check machine info */ ret = sof_machine_check(sdev); if (ret < 0) { dev_err(sdev->dev, "failed to get machine info %d\n", ret); goto err_machine_check; } ret = sof_select_ipc_and_paths(sdev); if (ret) { goto err_machine_check; } else if (plat_data->ipc_type != base_profile->ipc_type) { /* IPC type changed, re-initialize the ops */ sof_ops_free(sdev); ret = validate_sof_ops(sdev); if (ret < 0) { snd_sof_remove(sdev); snd_sof_remove_late(sdev); return ret; } } return 0; err_machine_check: snd_sof_remove(sdev); err_sof_probe: snd_sof_remove_late(sdev); sof_ops_free(sdev); return ret; } /* * FW Boot State Transition Diagram * * +----------------------------------------------------------------------+ * | | * ------------------ ------------------ | * | | | | | * | BOOT_FAILED |<-------| READY_FAILED | | * | |<--+ | | ------------------ | * ------------------ | ------------------ | | | * ^ | ^ | CRASHED |---+ | * | | | | | | | * (FW Boot Timeout) | (FW_READY FAIL) ------------------ | | * | | | ^ | | * | | | |(DSP Panic) | | * ------------------ | | ------------------ | | * | | | | | | | | * | IN_PROGRESS |---------------+------------->| COMPLETE | | | * | | (FW Boot OK) (FW_READY OK) | | | | * ------------------ | ------------------ | | * ^ | | | | * | | | | | * (FW Loading OK) | (System Suspend/Runtime Suspend) * | | | | | * | (FW Loading Fail) | | | * ------------------ | ------------------ | | | * | | | | |<-----+ | | * | PREPARE |---+ | NOT_STARTED |<---------------------+ | * | | | |<--------------------------+ * ------------------ ------------------ * | ^ | ^ * | | | | * | +-----------------------+ | * | (DSP Probe OK) | * | | * | | * +------------------------------------+ * (System Suspend/Runtime Suspend) */ static int sof_probe_continue(struct snd_sof_dev *sdev) { struct snd_sof_pdata *plat_data = sdev->pdata; int ret; /* Initialize loadable file paths and check the environment validity */ ret = sof_init_environment(sdev); if (ret) return ret; sof_set_fw_state(sdev, SOF_FW_BOOT_PREPARE); /* set up platform component driver */ snd_sof_new_platform_drv(sdev); if (sdev->dspless_mode_selected) { sof_set_fw_state(sdev, SOF_DSPLESS_MODE); goto skip_dsp_init; } /* register any debug/trace capabilities */ ret = snd_sof_dbg_init(sdev); if (ret < 0) { /* * debugfs issues are suppressed in snd_sof_dbg_init() since * we cannot rely on debugfs * here we trap errors due to memory allocation only. */ dev_err(sdev->dev, "error: failed to init DSP trace/debug %d\n", ret); goto dbg_err; } /* init the IPC */ sdev->ipc = snd_sof_ipc_init(sdev); if (!sdev->ipc) { ret = -ENOMEM; dev_err(sdev->dev, "error: failed to init DSP IPC %d\n", ret); goto ipc_err; } /* load the firmware */ ret = snd_sof_load_firmware(sdev); if (ret < 0) { dev_err(sdev->dev, "error: failed to load DSP firmware %d\n", ret); sof_set_fw_state(sdev, SOF_FW_BOOT_FAILED);