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Diffstat (limited to '')
| -rw-r--r-- | freedreno/msm/msm_priv.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/freedreno/msm/msm_priv.h b/freedreno/msm/msm_priv.h new file mode 100644 index 0000000..cc951fb --- /dev/null +++ b/freedreno/msm/msm_priv.h @@ -0,0 +1,141 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org> + * + * 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: + * Rob Clark <robclark@freedesktop.org> + */ + +#ifndef MSM_PRIV_H_ +#define MSM_PRIV_H_ + +#include "freedreno_priv.h" + +#ifndef __user +# define __user +#endif + +#include "msm_drm.h" + +struct msm_device { + struct fd_device base; + struct fd_bo_cache ring_cache; + unsigned ring_cnt; +}; + +static inline struct msm_device * to_msm_device(struct fd_device *x) +{ + return (struct msm_device *)x; +} + +drm_private struct fd_device * msm_device_new(int fd); + +struct msm_pipe { + struct fd_pipe base; + uint32_t pipe; + uint32_t gpu_id; + uint32_t gmem; + uint32_t chip_id; + uint32_t queue_id; + + /* Allow for sub-allocation of stateobj ring buffers (ie. sharing + * the same underlying bo).. + * + * This takes advantage of each context having it's own fd_pipe, + * so we don't have to worry about access from multiple threads. + * + * We also rely on previous stateobj having been fully constructed + * so we can reclaim extra space at it's end. + */ + struct fd_ringbuffer *suballoc_ring; +}; + +static inline struct msm_pipe * to_msm_pipe(struct fd_pipe *x) +{ + return (struct msm_pipe *)x; +} + +drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev, + enum fd_pipe_id id, uint32_t prio); + +drm_private struct fd_ringbuffer * msm_ringbuffer_new(struct fd_pipe *pipe, + uint32_t size, enum fd_ringbuffer_flags flags); + +struct msm_bo { + struct fd_bo base; + uint64_t offset; + uint64_t presumed; + /* to avoid excess hashtable lookups, cache the ring this bo was + * last emitted on (since that will probably also be the next ring + * it is emitted on) + */ + unsigned current_ring_seqno; + uint32_t idx; +}; + +static inline struct msm_bo * to_msm_bo(struct fd_bo *x) +{ + return (struct msm_bo *)x; +} + +drm_private int msm_bo_new_handle(struct fd_device *dev, + uint32_t size, uint32_t flags, uint32_t *handle); +drm_private struct fd_bo * msm_bo_from_handle(struct fd_device *dev, + uint32_t size, uint32_t handle); + +static inline void get_abs_timeout(struct drm_msm_timespec *tv, uint64_t ns) +{ + struct timespec t; + uint32_t s = ns / 1000000000; + clock_gettime(CLOCK_MONOTONIC, &t); + tv->tv_sec = t.tv_sec + s; + tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000); +} + +/* + * Stupid/simple growable array implementation: + */ + +static inline void * +grow(void *ptr, uint32_t nr, uint32_t *max, uint32_t sz) +{ + if ((nr + 1) > *max) { + if ((*max * 2) < (nr + 1)) + *max = nr + 5; + else + *max = *max * 2; + ptr = realloc(ptr, *max * sz); + } + return ptr; +} + +#define DECLARE_ARRAY(type, name) \ + unsigned nr_ ## name, max_ ## name; \ + type * name; + +#define APPEND(x, name) ({ \ + (x)->name = grow((x)->name, (x)->nr_ ## name, &(x)->max_ ## name, sizeof((x)->name[0])); \ + (x)->nr_ ## name ++; \ +}) + +#endif /* MSM_PRIV_H_ */ |