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|
From ef325a798681ec6e30791f5850e3ddc9fed7f2cd Mon Sep 17 00:00:00 2001
From: Oak Zeng <ozeng@amd.com>
Date: Fri, 23 Nov 2018 13:48:27 -0600
Subject: [PATCH 0862/2940] drm/amdgpu: Move doorbell structures to seperate
file
Move doorbell structures, enum definitions and helper functions
from amdgpu.h to amdgpu_doorbell.h. No functional change
Signed-off-by: Oak Zeng <ozeng@amd.com>
Proposed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 221 +----------------
drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 243 +++++++++++++++++++
2 files changed, 244 insertions(+), 220 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 78a8df17a2e3..55b5dd28f798 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -82,6 +82,7 @@
#include "amdgpu_job.h"
#include "amdgpu_bo_list.h"
#include "amdgpu_gem.h"
+#include "amdgpu_doorbell.h"
#define MAX_GPU_INSTANCE 16
@@ -365,167 +366,6 @@ struct amdgpu_sa_bo {
int amdgpu_fence_slab_init(void);
void amdgpu_fence_slab_fini(void);
-/*
- * GPU doorbell structures, functions & helpers
- */
-typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
-{
- AMDGPU_DOORBELL_KIQ = 0x000,
- AMDGPU_DOORBELL_HIQ = 0x001,
- AMDGPU_DOORBELL_DIQ = 0x002,
- AMDGPU_DOORBELL_MEC_RING0 = 0x010,
- AMDGPU_DOORBELL_MEC_RING1 = 0x011,
- AMDGPU_DOORBELL_MEC_RING2 = 0x012,
- AMDGPU_DOORBELL_MEC_RING3 = 0x013,
- AMDGPU_DOORBELL_MEC_RING4 = 0x014,
- AMDGPU_DOORBELL_MEC_RING5 = 0x015,
- AMDGPU_DOORBELL_MEC_RING6 = 0x016,
- AMDGPU_DOORBELL_MEC_RING7 = 0x017,
- AMDGPU_DOORBELL_GFX_RING0 = 0x020,
- AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
- AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
- AMDGPU_DOORBELL_IH = 0x1E8,
- AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
- AMDGPU_DOORBELL_INVALID = 0xFFFF
-} AMDGPU_DOORBELL_ASSIGNMENT;
-
-struct amdgpu_doorbell {
- /* doorbell mmio */
- resource_size_t base;
- resource_size_t size;
- u32 __iomem *ptr;
- u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
-};
-
-typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT
-{
- /* Compute + GFX: 0~255 */
- AMDGPU_VEGA20_DOORBELL_KIQ = 0x000,
- AMDGPU_VEGA20_DOORBELL_HIQ = 0x001,
- AMDGPU_VEGA20_DOORBELL_DIQ = 0x002,
- AMDGPU_VEGA20_DOORBELL_MEC_RING0 = 0x003,
- AMDGPU_VEGA20_DOORBELL_MEC_RING1 = 0x004,
- AMDGPU_VEGA20_DOORBELL_MEC_RING2 = 0x005,
- AMDGPU_VEGA20_DOORBELL_MEC_RING3 = 0x006,
- AMDGPU_VEGA20_DOORBELL_MEC_RING4 = 0x007,
- AMDGPU_VEGA20_DOORBELL_MEC_RING5 = 0x008,
- AMDGPU_VEGA20_DOORBELL_MEC_RING6 = 0x009,
- AMDGPU_VEGA20_DOORBELL_MEC_RING7 = 0x00A,
- AMDGPU_VEGA20_DOORBELL_USERQUEUE_START = 0x00B,
- AMDGPU_VEGA20_DOORBELL_USERQUEUE_END = 0x08A,
- AMDGPU_VEGA20_DOORBELL_GFX_RING0 = 0x08B,
- /* SDMA:256~335*/
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0 = 0x100,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE1 = 0x10A,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE2 = 0x114,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE3 = 0x11E,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE4 = 0x128,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE5 = 0x132,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE6 = 0x13C,
- AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE7 = 0x146,
- /* IH: 376~391 */
- AMDGPU_VEGA20_DOORBELL_IH = 0x178,
- /* MMSCH: 392~407
- * overlap the doorbell assignment with VCN as they are mutually exclusive
- * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
- */
- AMDGPU_VEGA20_DOORBELL64_VCN0_1 = 0x188, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
- AMDGPU_VEGA20_DOORBELL64_VCN2_3 = 0x189,
- AMDGPU_VEGA20_DOORBELL64_VCN4_5 = 0x18A,
- AMDGPU_VEGA20_DOORBELL64_VCN6_7 = 0x18B,
-
- AMDGPU_VEGA20_DOORBELL64_UVD_RING0_1 = 0x188,
- AMDGPU_VEGA20_DOORBELL64_UVD_RING2_3 = 0x189,
- AMDGPU_VEGA20_DOORBELL64_UVD_RING4_5 = 0x18A,
- AMDGPU_VEGA20_DOORBELL64_UVD_RING6_7 = 0x18B,
-
- AMDGPU_VEGA20_DOORBELL64_VCE_RING0_1 = 0x18C,
- AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3 = 0x18D,
- AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5 = 0x18E,
- AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7 = 0x18F,
- AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT = 0x18F,
- AMDGPU_VEGA20_DOORBELL_INVALID = 0xFFFF
-} AMDGPU_VEGA20_DOORBELL_ASSIGNMENT;
-
-/*
- * 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 0xdf
- * Graphics voltage island aperture 1
- * default non-graphics QWORD index is 0xe0 - 0xFF inclusive
- */
-
- /* For vega10 sriov, the sdma doorbell must be fixed as follow
- * to keep the same setting with host driver, or it will
- * happen conflicts
- */
- 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 use 32 bits doorbell */
- AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
- AMDGPU_DOORBELL64_VCN2_3 = 0xF9,
- AMDGPU_DOORBELL64_VCN4_5 = 0xFA,
- AMDGPU_DOORBELL64_VCN6_7 = 0xFB,
-
- /* overlap the doorbell assignment with VCN as they are mutually exclusive
- * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
- */
- AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8,
- AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9,
- AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA,
- AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB,
-
- AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC,
- AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD,
- AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE,
- AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF,
-
- AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
- AMDGPU_DOORBELL64_INVALID = 0xFFFF
-} AMDGPU_DOORBELL64_ASSIGNMENT;
-
/*
* IRQS.
*/
@@ -889,55 +729,6 @@ struct amd_powerplay {
uint32_t pp_feature;
};
-/* Reserved doorbells for amdgpu (including multimedia).
- * KFD can use all the rest in the 2M doorbell bar.
- * For asic before vega10, doorbell is 32-bit, so the
- * index/offset is in dword. For vega10 and after, doorbell
- * can be 64-bit, so the index defined is in qword.
- */
-struct amdgpu_doorbell_index {
- uint32_t kiq;
- uint32_t mec_ring0;
- uint32_t mec_ring1;
- uint32_t mec_ring2;
- uint32_t mec_ring3;
- uint32_t mec_ring4;
- uint32_t mec_ring5;
- uint32_t mec_ring6;
- uint32_t mec_ring7;
- uint32_t userqueue_start;
- uint32_t userqueue_end;
- uint32_t gfx_ring0;
- uint32_t sdma_engine0;
- uint32_t sdma_engine1;
- uint32_t sdma_engine2;
- uint32_t sdma_engine3;
- uint32_t sdma_engine4;
- uint32_t sdma_engine5;
- uint32_t sdma_engine6;
- uint32_t sdma_engine7;
- uint32_t ih;
- union {
- struct {
- uint32_t vcn_ring0_1;
- uint32_t vcn_ring2_3;
- uint32_t vcn_ring4_5;
- uint32_t vcn_ring6_7;
- } vcn;
- struct {
- uint32_t uvd_ring0_1;
- uint32_t uvd_ring2_3;
- uint32_t uvd_ring4_5;
- uint32_t uvd_ring6_7;
- uint32_t vce_ring0_1;
- uint32_t vce_ring2_3;
- uint32_t vce_ring4_5;
- uint32_t vce_ring6_7;
- } uvd_vce;
- };
- uint32_t max_assignment;
-};
-
#define AMDGPU_RESET_MAGIC_NUM 64
struct amdgpu_device {
struct device *dev;
@@ -1181,11 +972,6 @@ uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
-u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
-void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
-u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
-void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
-
bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
@@ -1247,11 +1033,6 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
#define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
#define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
-#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
-#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
-#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
-#define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
-
#define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
#define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
new file mode 100644
index 000000000000..be620b29f4aa
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -0,0 +1,243 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+/*
+ * GPU doorbell structures, functions & helpers
+ */
+struct amdgpu_doorbell {
+ /* doorbell mmio */
+ resource_size_t base;
+ resource_size_t size;
+ u32 __iomem *ptr;
+ u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
+};
+
+/* Reserved doorbells for amdgpu (including multimedia).
+ * KFD can use all the rest in the 2M doorbell bar.
+ * For asic before vega10, doorbell is 32-bit, so the
+ * index/offset is in dword. For vega10 and after, doorbell
+ * can be 64-bit, so the index defined is in qword.
+ */
+struct amdgpu_doorbell_index {
+ uint32_t kiq;
+ uint32_t mec_ring0;
+ uint32_t mec_ring1;
+ uint32_t mec_ring2;
+ uint32_t mec_ring3;
+ uint32_t mec_ring4;
+ uint32_t mec_ring5;
+ uint32_t mec_ring6;
+ uint32_t mec_ring7;
+ uint32_t userqueue_start;
+ uint32_t userqueue_end;
+ uint32_t gfx_ring0;
+ uint32_t sdma_engine0;
+ uint32_t sdma_engine1;
+ uint32_t sdma_engine2;
+ uint32_t sdma_engine3;
+ uint32_t sdma_engine4;
+ uint32_t sdma_engine5;
+ uint32_t sdma_engine6;
+ uint32_t sdma_engine7;
+ uint32_t ih;
+ union {
+ struct {
+ uint32_t vcn_ring0_1;
+ uint32_t vcn_ring2_3;
+ uint32_t vcn_ring4_5;
+ uint32_t vcn_ring6_7;
+ } vcn;
+ struct {
+ uint32_t uvd_ring0_1;
+ uint32_t uvd_ring2_3;
+ uint32_t uvd_ring4_5;
+ uint32_t uvd_ring6_7;
+ uint32_t vce_ring0_1;
+ uint32_t vce_ring2_3;
+ uint32_t vce_ring4_5;
+ uint32_t vce_ring6_7;
+ } uvd_vce;
+ };
+ uint32_t max_assignment;
+};
+
+typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
+{
+ AMDGPU_DOORBELL_KIQ = 0x000,
+ AMDGPU_DOORBELL_HIQ = 0x001,
+ AMDGPU_DOORBELL_DIQ = 0x002,
+ AMDGPU_DOORBELL_MEC_RING0 = 0x010,
+ AMDGPU_DOORBELL_MEC_RING1 = 0x011,
+ AMDGPU_DOORBELL_MEC_RING2 = 0x012,
+ AMDGPU_DOORBELL_MEC_RING3 = 0x013,
+ AMDGPU_DOORBELL_MEC_RING4 = 0x014,
+ AMDGPU_DOORBELL_MEC_RING5 = 0x015,
+ AMDGPU_DOORBELL_MEC_RING6 = 0x016,
+ AMDGPU_DOORBELL_MEC_RING7 = 0x017,
+ AMDGPU_DOORBELL_GFX_RING0 = 0x020,
+ AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
+ AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
+ AMDGPU_DOORBELL_IH = 0x1E8,
+ AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
+ AMDGPU_DOORBELL_INVALID = 0xFFFF
+} AMDGPU_DOORBELL_ASSIGNMENT;
+
+typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT
+{
+ /* Compute + GFX: 0~255 */
+ AMDGPU_VEGA20_DOORBELL_KIQ = 0x000,
+ AMDGPU_VEGA20_DOORBELL_HIQ = 0x001,
+ AMDGPU_VEGA20_DOORBELL_DIQ = 0x002,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING0 = 0x003,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING1 = 0x004,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING2 = 0x005,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING3 = 0x006,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING4 = 0x007,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING5 = 0x008,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING6 = 0x009,
+ AMDGPU_VEGA20_DOORBELL_MEC_RING7 = 0x00A,
+ AMDGPU_VEGA20_DOORBELL_USERQUEUE_START = 0x00B,
+ AMDGPU_VEGA20_DOORBELL_USERQUEUE_END = 0x08A,
+ AMDGPU_VEGA20_DOORBELL_GFX_RING0 = 0x08B,
+ /* SDMA:256~335*/
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0 = 0x100,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE1 = 0x10A,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE2 = 0x114,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE3 = 0x11E,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE4 = 0x128,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE5 = 0x132,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE6 = 0x13C,
+ AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE7 = 0x146,
+ /* IH: 376~391 */
+ AMDGPU_VEGA20_DOORBELL_IH = 0x178,
+ /* MMSCH: 392~407
+ * overlap the doorbell assignment with VCN as they are mutually exclusive
+ * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
+ */
+ AMDGPU_VEGA20_DOORBELL64_VCN0_1 = 0x188, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
+ AMDGPU_VEGA20_DOORBELL64_VCN2_3 = 0x189,
+ AMDGPU_VEGA20_DOORBELL64_VCN4_5 = 0x18A,
+ AMDGPU_VEGA20_DOORBELL64_VCN6_7 = 0x18B,
+
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING0_1 = 0x188,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING2_3 = 0x189,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING4_5 = 0x18A,
+ AMDGPU_VEGA20_DOORBELL64_UVD_RING6_7 = 0x18B,
+
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING0_1 = 0x18C,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3 = 0x18D,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5 = 0x18E,
+ AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7 = 0x18F,
+ AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT = 0x18F,
+ AMDGPU_VEGA20_DOORBELL_INVALID = 0xFFFF
+} AMDGPU_VEGA20_DOORBELL_ASSIGNMENT;
+
+/*
+ * 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 0xdf
+ * Graphics voltage island aperture 1
+ * default non-graphics QWORD index is 0xe0 - 0xFF inclusive
+ */
+
+ /* For vega10 sriov, the sdma doorbell must be fixed as follow
+ * to keep the same setting with host driver, or it will
+ * happen conflicts
+ */
+ 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 use 32 bits doorbell */
+ AMDGPU_DOORBELL64_VCN0_1 = 0xF8, /* lower 32 bits for VNC0 and upper 32 bits for VNC1 */
+ AMDGPU_DOORBELL64_VCN2_3 = 0xF9,
+ AMDGPU_DOORBELL64_VCN4_5 = 0xFA,
+ AMDGPU_DOORBELL64_VCN6_7 = 0xFB,
+
+ /* overlap the doorbell assignment with VCN as they are mutually exclusive
+ * VCE engine's doorbell is 32 bit and two VCE ring share one QWORD
+ */
+ AMDGPU_DOORBELL64_UVD_RING0_1 = 0xF8,
+ AMDGPU_DOORBELL64_UVD_RING2_3 = 0xF9,
+ AMDGPU_DOORBELL64_UVD_RING4_5 = 0xFA,
+ AMDGPU_DOORBELL64_UVD_RING6_7 = 0xFB,
+
+ AMDGPU_DOORBELL64_VCE_RING0_1 = 0xFC,
+ AMDGPU_DOORBELL64_VCE_RING2_3 = 0xFD,
+ AMDGPU_DOORBELL64_VCE_RING4_5 = 0xFE,
+ AMDGPU_DOORBELL64_VCE_RING6_7 = 0xFF,
+
+ AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF,
+ AMDGPU_DOORBELL64_INVALID = 0xFFFF
+} AMDGPU_DOORBELL64_ASSIGNMENT;
+
+u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
+void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
+u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
+void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
+
+#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
+#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
+#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))
+#define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v))
+
--
2.17.1
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