diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 100 |
1 files changed, 82 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h index 7199b6b0be81..2675689ef70f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h @@ -21,6 +21,9 @@ * */ +#ifndef AMDGPU_DOORBELL_H +#define AMDGPU_DOORBELL_H + /* * GPU doorbell structures, functions & helpers */ @@ -28,8 +31,15 @@ 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. */ + + /* Number of doorbells reserved for amdgpu kernel driver */ + u32 num_kernel_doorbells; + + /* Kernel doorbells */ + struct amdgpu_bo *kernel_doorbells; + + /* For CPU access of doorbells */ + uint32_t *cpu_addr; }; /* Reserved doorbells for amdgpu (including multimedia). @@ -54,7 +64,7 @@ struct amdgpu_doorbell_index { uint32_t gfx_ring1; uint32_t gfx_userqueue_start; uint32_t gfx_userqueue_end; - uint32_t sdma_engine[8]; + uint32_t sdma_engine[16]; uint32_t mes_ring0; uint32_t mes_ring1; uint32_t ih; @@ -76,15 +86,17 @@ struct amdgpu_doorbell_index { uint32_t vce_ring6_7; } uvd_vce; }; + uint32_t vpe_ring; uint32_t first_non_cp; uint32_t last_non_cp; uint32_t max_assignment; /* Per engine SDMA doorbell size in dword */ uint32_t sdma_doorbell_range; + /* Per xcc doorbell size for KIQ/KCQ */ + uint32_t xcc_doorbell_range; }; -typedef enum _AMDGPU_DOORBELL_ASSIGNMENT -{ +enum AMDGPU_DOORBELL_ASSIGNMENT { AMDGPU_DOORBELL_KIQ = 0x000, AMDGPU_DOORBELL_HIQ = 0x001, AMDGPU_DOORBELL_DIQ = 0x002, @@ -102,10 +114,10 @@ typedef enum _AMDGPU_DOORBELL_ASSIGNMENT AMDGPU_DOORBELL_IH = 0x1E8, AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF, AMDGPU_DOORBELL_INVALID = 0xFFFF -} AMDGPU_DOORBELL_ASSIGNMENT; +}; + +enum AMDGPU_VEGA20_DOORBELL_ASSIGNMENT { -typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT -{ /* Compute + GFX: 0~255 */ AMDGPU_VEGA20_DOORBELL_KIQ = 0x000, AMDGPU_VEGA20_DOORBELL_HIQ = 0x001, @@ -159,12 +171,20 @@ typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT AMDGPU_VEGA20_DOORBELL64_FIRST_NON_CP = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0, AMDGPU_VEGA20_DOORBELL64_LAST_NON_CP = AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7, - AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT = 0x18F, + /* kiq/kcq from second XCD. Max 8 XCDs */ + AMDGPU_VEGA20_DOORBELL_XCC1_KIQ_START = 0x190, + /* 8 compute rings per GC. Max to 0x1CE */ + AMDGPU_VEGA20_DOORBELL_XCC1_MEC_RING0_START = 0x197, + + /* AID1 SDMA: 0x1D0 ~ 0x1F7 */ + AMDGPU_VEGA20_DOORBELL_AID1_sDMA_START = 0x1D0, + + AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT = 0x1F7, AMDGPU_VEGA20_DOORBELL_INVALID = 0xFFFF -} AMDGPU_VEGA20_DOORBELL_ASSIGNMENT; +}; + +enum AMDGPU_NAVI10_DOORBELL_ASSIGNMENT { -typedef enum _AMDGPU_NAVI10_DOORBELL_ASSIGNMENT -{ /* Compute + GFX: 0~255 */ AMDGPU_NAVI10_DOORBELL_KIQ = 0x000, AMDGPU_NAVI10_DOORBELL_HIQ = 0x001, @@ -207,18 +227,19 @@ typedef enum _AMDGPU_NAVI10_DOORBELL_ASSIGNMENT AMDGPU_NAVI10_DOORBELL64_VCNc_d = 0x18E, AMDGPU_NAVI10_DOORBELL64_VCNe_f = 0x18F, + AMDGPU_NAVI10_DOORBELL64_VPE = 0x190, + AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0, - AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP = AMDGPU_NAVI10_DOORBELL64_VCNe_f, + AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP = AMDGPU_NAVI10_DOORBELL64_VPE, - AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT = 0x18F, + AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT = AMDGPU_NAVI10_DOORBELL64_VPE, AMDGPU_NAVI10_DOORBELL_INVALID = 0xFFFF -} AMDGPU_NAVI10_DOORBELL_ASSIGNMENT; +}; /* * 64bit doorbell, offset are in QWORD, occupy 2KB doorbell space */ -typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT -{ +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. @@ -294,15 +315,58 @@ typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT AMDGPU_DOORBELL64_MAX_ASSIGNMENT = 0xFF, AMDGPU_DOORBELL64_INVALID = 0xFFFF -} AMDGPU_DOORBELL64_ASSIGNMENT; +}; + +enum AMDGPU_DOORBELL_ASSIGNMENT_LAYOUT1 { + + /* XCC0: 0x00 ~20, XCC1: 20 ~ 2F ... */ + + /* KIQ/HIQ/DIQ */ + AMDGPU_DOORBELL_LAYOUT1_KIQ_START = 0x000, + AMDGPU_DOORBELL_LAYOUT1_HIQ = 0x001, + AMDGPU_DOORBELL_LAYOUT1_DIQ = 0x002, + /* Compute: 0x08 ~ 0x20 */ + AMDGPU_DOORBELL_LAYOUT1_MEC_RING_START = 0x008, + AMDGPU_DOORBELL_LAYOUT1_MEC_RING_END = 0x00F, + AMDGPU_DOORBELL_LAYOUT1_USERQUEUE_START = 0x010, + AMDGPU_DOORBELL_LAYOUT1_USERQUEUE_END = 0x01F, + AMDGPU_DOORBELL_LAYOUT1_XCC_RANGE = 0x020, + + /* SDMA: 0x100 ~ 0x19F */ + AMDGPU_DOORBELL_LAYOUT1_sDMA_ENGINE_START = 0x100, + AMDGPU_DOORBELL_LAYOUT1_sDMA_ENGINE_END = 0x19F, + /* IH: 0x1A0 ~ 0x1AF */ + AMDGPU_DOORBELL_LAYOUT1_IH = 0x1A0, + /* VCN: 0x1B0 ~ 0x1E8 */ + AMDGPU_DOORBELL_LAYOUT1_VCN_START = 0x1B0, + AMDGPU_DOORBELL_LAYOUT1_VCN_END = 0x1E8, + + AMDGPU_DOORBELL_LAYOUT1_FIRST_NON_CP = AMDGPU_DOORBELL_LAYOUT1_sDMA_ENGINE_START, + AMDGPU_DOORBELL_LAYOUT1_LAST_NON_CP = AMDGPU_DOORBELL_LAYOUT1_VCN_END, + + AMDGPU_DOORBELL_LAYOUT1_MAX_ASSIGNMENT = 0x1E8, + AMDGPU_DOORBELL_LAYOUT1_INVALID = 0xFFFF +}; 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); +/* + * GPU doorbell aperture helpers function. + */ +int amdgpu_doorbell_init(struct amdgpu_device *adev); +void amdgpu_doorbell_fini(struct amdgpu_device *adev); +int amdgpu_doorbell_create_kernel_doorbells(struct amdgpu_device *adev); +uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev, + struct amdgpu_bo *db_bo, + uint32_t doorbell_index, + uint32_t db_size); + #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)) +#endif |