diff options
Diffstat (limited to 'sound/soc/sof/core.c')
-rw-r--r-- | sound/soc/sof/core.c | 119 |
1 files changed, 74 insertions, 45 deletions
diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 40549cdd6d58..8f32b5b12b3e 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -19,7 +19,7 @@ #endif /* see SOF_DBG_ flags */ -int sof_core_debug = IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_FIRMWARE_TRACE); +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)"); @@ -27,6 +27,22 @@ MODULE_PARM_DESC(sof_debug, "SOF core debug options (0x0 all off)"); #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. */ @@ -52,23 +68,33 @@ static const struct sof_panic_msg panic_msg[] = { {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 snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code, - u32 tracep_code, void *oops, - struct sof_ipc_panic_info *panic_info, - void *stack, size_t stack_words) +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_err(sdev->dev, "unexpected fault %#010x trace %#010x\n", - panic_code, tracep_code); + dev_printk(level, sdev->dev, "unexpected fault %#010x trace %#010x\n", + panic_code, tracep_code); return; /* no fault ? */ } @@ -76,54 +102,55 @@ void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code, for (i = 0; i < ARRAY_SIZE(panic_msg); i++) { if (panic_msg[i].id == code) { - dev_err(sdev->dev, "reason: %s (%#x)\n", panic_msg[i].msg, - code & SOF_IPC_PANIC_CODE_MASK); - dev_err(sdev->dev, "trace point: %#010x\n", tracep_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_err(sdev->dev, "unknown panic code: %#x\n", code & SOF_IPC_PANIC_CODE_MASK); - dev_err(sdev->dev, "trace point: %#010x\n", tracep_code); + 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_err(sdev->dev, "panic at %s:%d\n", panic_info->filename, - panic_info->linenum); - sof_oops(sdev, oops); - sof_stack(sdev, oops, stack, stack_words); + 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(snd_sof_get_status); +EXPORT_SYMBOL(sof_print_oops_and_stack); /* * FW Boot State Transition Diagram * - * +-----------------------------------------------------------------------+ - * | | - * ------------------ ------------------ | - * | | | | | - * | BOOT_FAILED | | READY_FAILED |-------------------------+ | - * | | | | | | - * ------------------ ------------------ | | - * ^ ^ | | - * | | | | - * (FW Boot Timeout) (FW_READY FAIL) | | - * | | | | - * | | | | - * ------------------ | ------------------ | | - * | | | | | | | - * | IN_PROGRESS |---------------+------------->| COMPLETE | | | - * | | (FW Boot OK) (FW_READY OK) | | | | - * ------------------ ------------------ | | - * ^ | | | - * | | | | - * (FW Loading OK) (System Suspend/Runtime Suspend) - * | | | | - * | | | | - * ------------------ ------------------ | | | - * | | | |<-----+ | | - * | PREPARE | | NOT_STARTED |<---------------------+ | - * | | | |<---------------------------+ + * +----------------------------------------------------------------------+ + * | | + * ------------------ ------------------ | + * | | | | | + * | 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 |<---------------------+ | + * | | | |<--------------------------+ * ------------------ ------------------ * | ^ | ^ * | | | | @@ -186,6 +213,7 @@ static int sof_probe_continue(struct snd_sof_dev *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); goto fw_load_err; } @@ -199,10 +227,11 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) if (ret < 0) { dev_err(sdev->dev, "error: failed to boot DSP firmware %d\n", ret); + sof_set_fw_state(sdev, SOF_FW_BOOT_FAILED); goto fw_run_err; } - if (sof_core_debug & SOF_DBG_ENABLE_TRACE) { + if (sof_debug_check_flag(SOF_DBG_ENABLE_TRACE)) { sdev->dtrace_is_supported = true; /* init DMA trace */ |