diff options
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index d77410886a67..b1c3a89c7f38 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -578,6 +578,8 @@ enum hl_pll_frequency { * @mmu_invalidate_cache_range: flush specific MMU STLB cache lines with * ASID-VA-size mask. * @send_heartbeat: send is-alive packet to ArmCP and verify response. + * @enable_clock_gating: enable clock gating for reducing power consumption. + * @disable_clock_gating: disable clock for accessing registers on HBW. * @debug_coresight: perform certain actions on Coresight for debugging. * @is_device_idle: return true if device is idle, false otherwise. * @soft_reset_late_init: perform certain actions needed after soft reset. @@ -678,6 +680,8 @@ struct hl_asic_funcs { void (*mmu_invalidate_cache_range)(struct hl_device *hdev, bool is_hard, u32 asid, u64 va, u64 size); int (*send_heartbeat)(struct hl_device *hdev); + void (*enable_clock_gating)(struct hl_device *hdev); + void (*disable_clock_gating)(struct hl_device *hdev); int (*debug_coresight)(struct hl_device *hdev, void *data); bool (*is_device_idle)(struct hl_device *hdev, u32 *mask, struct seq_file *s); @@ -1408,6 +1412,7 @@ struct hl_device_idle_busy_ts { * huge pages. * @init_done: is the initialization of the device done. * @mmu_enable: is MMU enabled. + * @clock_gating: is clock gating enabled. * @device_cpu_disabled: is the device CPU disabled (due to timeouts) * @dma_mask: the dma mask that was set for this device * @in_debug: is device under debug. This, together with fpriv_list, enforces @@ -1494,6 +1499,7 @@ struct hl_device { u8 dram_default_page_mapping; u8 pmmu_huge_range; u8 init_done; + u8 clock_gating; u8 device_cpu_disabled; u8 dma_mask; u8 in_debug; |