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/*
* Copyright (C) 2014-2015 Etnaviv Project
*
* 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 (including the next
* paragraph) 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.
*
* Authors:
* Christian Gmeiner <christian.gmeiner@gmail.com>
*/
#ifndef ETNAVIV_DRMIF_H_
#define ETNAVIV_DRMIF_H_
#include <xf86drm.h>
#include <stdint.h>
struct etna_bo;
struct etna_pipe;
struct etna_gpu;
struct etna_device;
struct etna_cmd_stream;
enum etna_pipe_id {
ETNA_PIPE_3D = 0,
ETNA_PIPE_2D = 1,
ETNA_PIPE_VG = 2,
ETNA_PIPE_MAX
};
enum etna_param_id {
ETNA_GPU_MODEL = 0x1,
ETNA_GPU_REVISION = 0x2,
ETNA_GPU_FEATURES_0 = 0x3,
ETNA_GPU_FEATURES_1 = 0x4,
ETNA_GPU_FEATURES_2 = 0x5,
ETNA_GPU_FEATURES_3 = 0x6,
ETNA_GPU_FEATURES_4 = 0x7,
ETNA_GPU_FEATURES_5 = 0x8,
ETNA_GPU_FEATURES_6 = 0x9,
ETNA_GPU_STREAM_COUNT = 0x10,
ETNA_GPU_REGISTER_MAX = 0x11,
ETNA_GPU_THREAD_COUNT = 0x12,
ETNA_GPU_VERTEX_CACHE_SIZE = 0x13,
ETNA_GPU_SHADER_CORE_COUNT = 0x14,
ETNA_GPU_PIXEL_PIPES = 0x15,
ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE = 0x16,
ETNA_GPU_BUFFER_SIZE = 0x17,
ETNA_GPU_INSTRUCTION_COUNT = 0x18,
ETNA_GPU_NUM_CONSTANTS = 0x19,
ETNA_GPU_NUM_VARYINGS = 0x1a
};
/* bo flags: */
#define DRM_ETNA_GEM_CACHE_CACHED 0x00010000
#define DRM_ETNA_GEM_CACHE_WC 0x00020000
#define DRM_ETNA_GEM_CACHE_UNCACHED 0x00040000
#define DRM_ETNA_GEM_CACHE_MASK 0x000f0000
/* map flags */
#define DRM_ETNA_GEM_FORCE_MMU 0x00100000
/* bo access flags: (keep aligned to ETNA_PREP_x) */
#define DRM_ETNA_PREP_READ 0x01
#define DRM_ETNA_PREP_WRITE 0x02
#define DRM_ETNA_PREP_NOSYNC 0x04
/* device functions:
*/
struct etna_device *etna_device_new(int fd);
struct etna_device *etna_device_ref(struct etna_device *dev);
void etna_device_del(struct etna_device *dev);
int etna_device_fd(struct etna_device *dev);
/* gpu functions:
*/
struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core);
void etna_gpu_del(struct etna_gpu *gpu);
int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param,
uint64_t *value);
/* pipe functions:
*/
struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id);
void etna_pipe_del(struct etna_pipe *pipe);
int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms);
/* buffer-object functions:
*/
struct etna_bo *etna_bo_new(struct etna_device *dev,
uint32_t size, uint32_t flags);
struct etna_bo *etna_bo_from_handle(struct etna_device *dev,
uint32_t handle, uint32_t size);
struct etna_bo *etna_bo_from_name(struct etna_device *dev, uint32_t name);
struct etna_bo *etna_bo_from_dmabuf(struct etna_device *dev, int fd);
struct etna_bo *etna_bo_ref(struct etna_bo *bo);
void etna_bo_del(struct etna_bo *bo);
int etna_bo_get_name(struct etna_bo *bo, uint32_t *name);
uint32_t etna_bo_handle(struct etna_bo *bo);
int etna_bo_dmabuf(struct etna_bo *bo);
uint32_t etna_bo_size(struct etna_bo *bo);
void * etna_bo_map(struct etna_bo *bo);
int etna_bo_cpu_prep(struct etna_bo *bo, uint32_t op);
void etna_bo_cpu_fini(struct etna_bo *bo);
/* cmd stream functions:
*/
struct etna_cmd_stream {
uint32_t *buffer;
uint32_t offset; /* in 32-bit words */
uint32_t size; /* in 32-bit words */
};
struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t size,
void (*reset_notify)(struct etna_cmd_stream *stream, void *priv),
void *priv);
void etna_cmd_stream_del(struct etna_cmd_stream *stream);
uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream);
void etna_cmd_stream_flush(struct etna_cmd_stream *stream);
void etna_cmd_stream_finish(struct etna_cmd_stream *stream);
static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream)
{
static const uint32_t END_CLEARANCE = 2; /* LINK op code */
return stream->size - stream->offset - END_CLEARANCE;
}
static inline void etna_cmd_stream_reserve(struct etna_cmd_stream *stream, size_t n)
{
if (etna_cmd_stream_avail(stream) < n)
etna_cmd_stream_flush(stream);
}
static inline void etna_cmd_stream_emit(struct etna_cmd_stream *stream, uint32_t data)
{
stream->buffer[stream->offset++] = data;
}
static inline uint32_t etna_cmd_stream_get(struct etna_cmd_stream *stream, uint32_t offset)
{
return stream->buffer[offset];
}
static inline void etna_cmd_stream_set(struct etna_cmd_stream *stream, uint32_t offset,
uint32_t data)
{
stream->buffer[offset] = data;
}
static inline uint32_t etna_cmd_stream_offset(struct etna_cmd_stream *stream)
{
return stream->offset;
}
struct etna_reloc {
struct etna_bo *bo;
#define ETNA_RELOC_READ 0x0001
#define ETNA_RELOC_WRITE 0x0002
uint32_t flags;
uint32_t offset;
};
void etna_cmd_stream_reloc(struct etna_cmd_stream *stream, const struct etna_reloc *r);
#endif /* ETNAVIV_DRMIF_H_ */
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