From: Ken Wang <Qingqing.Wang@xxxxxxx>
Change-Id: Ic1859520f98c45f0db982a5093a3207da9fcfa5d
Signed-off-by: Ken Wang <Qingqing.Wang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 68 +++++++++++++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index ae4cb07..f605219 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -620,6 +620,74 @@ struct amdgpu_doorbell {
u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
};
+/*
+ * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space
+ */
+typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
+{
+ /*
+ * All compute related doorbells: kiq, hiq, diq, traditional compute queue, user queue, should locate in
+ * a continues range so that programming CP_MEC_DOORBELL_RANGE_LOWER/UPPER can cover this range.
+ * Compute related doorbells are allocated from 0x00 to 0x8a
+ */
+
+
+ /* kernel scheduling */
+ AMDGPU_DOORBELL64_KIQ = 0x00,
+
+ /* HSA interface queue and debug queue */
+ AMDGPU_DOORBELL64_HIQ = 0x01,
+ AMDGPU_DOORBELL64_DIQ = 0x02,
+
+ /* Compute engines */
+ AMDGPU_DOORBELL64_MEC_RING0 = 0x03,
+ AMDGPU_DOORBELL64_MEC_RING1 = 0x04,
+ AMDGPU_DOORBELL64_MEC_RING2 = 0x05,
+ AMDGPU_DOORBELL64_MEC_RING3 = 0x06,
+ AMDGPU_DOORBELL64_MEC_RING4 = 0x07,
+ AMDGPU_DOORBELL64_MEC_RING5 = 0x08,
+ AMDGPU_DOORBELL64_MEC_RING6 = 0x09,
+ AMDGPU_DOORBELL64_MEC_RING7 = 0x0a,
+
+ /* User queue doorbell range (128 doorbells) */
+ AMDGPU_DOORBELL64_USERQUEUE_START = 0x0b,
+ AMDGPU_DOORBELL64_USERQUEUE_END = 0x8a,
+
+ /* Graphics engine */
+ AMDGPU_DOORBELL64_GFX_RING0 = 0x8b,
+
+ /*
+ * Other graphics doorbells can be allocated here: from 0x8c to 0xef
+ * Graphics voltage island aperture 1
+ * default non-graphics QWORD index is 0xF0 - 0xFF inclusive
+ */
+
+ /* sDMA engines */
+ AMDGPU_DOORBELL64_sDMA_ENGINE0 = 0xF0,
+ AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE0 = 0xF1,
+ AMDGPU_DOORBELL64_sDMA_ENGINE1 = 0xF2,
+ AMDGPU_DOORBELL64_sDMA_HI_PRI_ENGINE1 = 0xF3,
+
+ /* Interrupt handler */
+ AMDGPU_DOORBELL64_IH = 0xF4, /* For legacy interrupt ring buffer */
+ AMDGPU_DOORBELL64_IH_RING1 = 0xF5, /* For page migration request log */
+ AMDGPU_DOORBELL64_IH_RING2 = 0xF6, /* For page migration translation/invalidation log */
+
+ /* VCN engine */
+ AMDGPU_DOORBELL64_VCN0 = 0xF8,
+ AMDGPU_DOORBELL64_VCN1 = 0xF9,
+ AMDGPU_DOORBELL64_VCN2 = 0xFA,
+ AMDGPU_DOORBELL64_VCN3 = 0xFB,
+ AMDGPU_DOORBELL64_VCN4 = 0xFC,
+ AMDGPU_DOORBELL64_VCN5 = 0xFD,
+ AMDGPU_DOORBELL64_VCN6 = 0xFE,
+ AMDGPU_DOORBELL64_VCN7 = 0xFF,
+
+ AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
+ AMDGPU_DOORBELL64_INVALID = 0xFFFF
+} AMDGPU_DOORBELL64_ASSIGNMENT;
+
+
void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
phys_addr_t *aperture_base,
size_t *aperture_size,
--
2.5.5
