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-rw-r--r--freedreno/msm/msm_priv.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/freedreno/msm/msm_priv.h b/freedreno/msm/msm_priv.h
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+/* -*- 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_ */