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/*
* drivers/video/tegra/host/gk20a/fifo_gk20a.h
*
* GK20A graphics copy engine (gr host)
*
* Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#ifndef NVGPU_GK20A_CE2_GK20A_H
#define NVGPU_GK20A_CE2_GK20A_H
struct channel_gk20a;
struct tsg_gk20a;
void gk20a_ce2_isr(struct gk20a *g, u32 inst_id, u32 pri_base);
u32 gk20a_ce2_nonstall_isr(struct gk20a *g, u32 inst_id, u32 pri_base);
/* CE command utility macros */
#define NVGPU_CE_LOWER_ADDRESS_OFFSET_MASK 0xffffffff
#define NVGPU_CE_UPPER_ADDRESS_OFFSET_MASK 0xff
#define NVGPU_CE_MAX_INFLIGHT_JOBS 32
#define NVGPU_CE_MAX_COMMAND_BUFF_BYTES_PER_KICKOFF 256
/* dma launch_flags */
enum {
/* location */
NVGPU_CE_SRC_LOCATION_COHERENT_SYSMEM = (1 << 0),
NVGPU_CE_SRC_LOCATION_NONCOHERENT_SYSMEM = (1 << 1),
NVGPU_CE_SRC_LOCATION_LOCAL_FB = (1 << 2),
NVGPU_CE_DST_LOCATION_COHERENT_SYSMEM = (1 << 3),
NVGPU_CE_DST_LOCATION_NONCOHERENT_SYSMEM = (1 << 4),
NVGPU_CE_DST_LOCATION_LOCAL_FB = (1 << 5),
/* memory layout */
NVGPU_CE_SRC_MEMORY_LAYOUT_PITCH = (1 << 6),
NVGPU_CE_SRC_MEMORY_LAYOUT_BLOCKLINEAR = (1 << 7),
NVGPU_CE_DST_MEMORY_LAYOUT_PITCH = (1 << 8),
NVGPU_CE_DST_MEMORY_LAYOUT_BLOCKLINEAR = (1 << 9),
/* transfer type */
NVGPU_CE_DATA_TRANSFER_TYPE_PIPELINED = (1 << 10),
NVGPU_CE_DATA_TRANSFER_TYPE_NON_PIPELINED = (1 << 11),
};
/* CE operation mode */
enum {
NVGPU_CE_PHYS_MODE_TRANSFER = (1 << 0),
NVGPU_CE_MEMSET = (1 << 1),
};
/* CE app state machine flags */
enum {
NVGPU_CE_ACTIVE = (1 << 0),
NVGPU_CE_SUSPEND = (1 << 1),
};
/* gpu context state machine flags */
enum {
NVGPU_CE_GPU_CTX_ALLOCATED = (1 << 0),
NVGPU_CE_GPU_CTX_DELETED = (1 << 1),
};
/* global ce app db */
struct gk20a_ce_app {
bool initialised;
struct nvgpu_mutex app_mutex;
int app_state;
struct nvgpu_list_node allocated_contexts;
u32 ctx_count;
u32 next_ctx_id;
};
/* ce context db */
struct gk20a_gpu_ctx {
struct gk20a *g;
u32 ctx_id;
struct nvgpu_mutex gpu_ctx_mutex;
int gpu_ctx_state;
/* tsg related data */
struct tsg_gk20a *tsg;
/* channel related data */
struct channel_gk20a *ch;
struct vm_gk20a *vm;
/* cmd buf mem_desc */
struct nvgpu_mem cmd_buf_mem;
struct gk20a_fence *postfences[NVGPU_CE_MAX_INFLIGHT_JOBS];
struct nvgpu_list_node list;
u32 cmd_buf_read_queue_offset;
};
static inline struct gk20a_gpu_ctx *
gk20a_gpu_ctx_from_list(struct nvgpu_list_node *node)
{
return (struct gk20a_gpu_ctx *)
((uintptr_t)node - offsetof(struct gk20a_gpu_ctx, list));
};
/* global CE app related apis */
int gk20a_init_ce_support(struct gk20a *g);
void gk20a_ce_suspend(struct gk20a *g);
void gk20a_ce_destroy(struct gk20a *g);
/* CE app utility functions */
u32 gk20a_ce_create_context(struct gk20a *g,
int runlist_id,
int timeslice,
int runlist_level);
int gk20a_ce_execute_ops(struct gk20a *g,
u32 ce_ctx_id,
u64 src_buf,
u64 dst_buf,
u64 size,
unsigned int payload,
int launch_flags,
int request_operation,
u32 submit_flags,
struct gk20a_fence **gk20a_fence_out);
void gk20a_ce_delete_context_priv(struct gk20a *g,
u32 ce_ctx_id);
void gk20a_ce_delete_context(struct gk20a *g,
u32 ce_ctx_id);
int gk20a_ce_prepare_submit(u64 src_buf,
u64 dst_buf,
u64 size,
u32 *cmd_buf_cpu_va,
u32 max_cmd_buf_size,
unsigned int payload,
int launch_flags,
int request_operation,
u32 dma_copy_class);
#endif /*NVGPU_GK20A_CE2_GK20A_H*/
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