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drm/amdgpu: add 64bit doorbell assignments 

Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ken Wang 2016-03-18 15:41:42 +08:00 committed by Alex Deucher
parent d0e95758e3
commit 39807b939e
1 changed files with 68 additions and 0 deletions
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68
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -618,6 +618,74 @@ 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,