diff options
Diffstat (limited to 'firmware/include/vboot_api.h')
| -rw-r--r-- | firmware/include/vboot_api.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/firmware/include/vboot_api.h b/firmware/include/vboot_api.h index 4931d59f..a4eb23db 100644 --- a/firmware/include/vboot_api.h +++ b/firmware/include/vboot_api.h @@ -85,49 +85,6 @@ vb2_error_t VbSelectAndLoadKernel(struct vb2_context *ctx, VbSelectAndLoadKernelParams *kparams); /*****************************************************************************/ -/* Timer and delay */ - -#define VB_USEC_PER_MSEC 1000ULL -#define VB_MSEC_PER_SEC VB_USEC_PER_MSEC -#define VB_USEC_PER_SEC (VB_USEC_PER_MSEC * VB_MSEC_PER_SEC) - -/** - * Read a microsecond timer. - * - * This should have a sufficient number of bits to avoid wraparound for at - * least 10 minutes. A 32-bit value would be plenty, but for historical - * reasons this returns uint64_t. - */ -uint64_t VbExGetTimer(void); - -/** - * Delay for at least the specified number of milliseconds. Should be accurate - * to within 10% (a requested delay of 1000 ms should result in an actual delay - * of between 1000 - 1100 ms). - */ -void VbExSleepMs(uint32_t msec); - -/** - * Play a beep tone of the specified frequency in Hz and duration in msec. - * This is effectively a VbSleep() variant that makes noise. - * - * If the audio codec can run in the background, then: - * zero frequency means OFF, non-zero frequency means ON - * zero msec means return immediately, non-zero msec means delay (and - * then OFF if needed) - * otherwise, - * non-zero msec and non-zero frequency means ON, delay, OFF, return - * zero msec or zero frequency means do nothing and return immediately - * - * The return value is used by the caller to determine the capabilities. The - * implementation should always do the best it can if it cannot fully support - * all features - for example, beeping at a fixed frequency if frequency - * support is not available. At a minimum, it must delay for the specified - * non-zero duration. - */ -vb2_error_t VbExBeep(uint32_t msec, uint32_t frequency); - -/*****************************************************************************/ /* TPM (from tlcl_stub.h) */ /** |