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      1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
      2 
      3 /*
      4  * Copyright (C) 2013 Rob Clark <robclark (at) freedesktop.org>
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the next
     14  * paragraph) shall be included in all copies or substantial portions of the
     15  * Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Authors:
     26  *    Rob Clark <robclark (at) freedesktop.org>
     27  */
     28 
     29 #ifndef MSM_PRIV_H_
     30 #define MSM_PRIV_H_
     31 
     32 #include "freedreno_priv.h"
     33 
     34 #ifndef __user
     35 #  define __user
     36 #endif
     37 
     38 #include "msm_drm.h"
     39 
     40 struct msm_device {
     41 	struct fd_device base;
     42 	struct fd_bo_cache ring_cache;
     43 	unsigned ring_cnt;
     44 };
     45 
     46 static inline struct msm_device * to_msm_device(struct fd_device *x)
     47 {
     48 	return (struct msm_device *)x;
     49 }
     50 
     51 drm_private struct fd_device * msm_device_new(int fd);
     52 
     53 struct msm_pipe {
     54 	struct fd_pipe base;
     55 	uint32_t pipe;
     56 	uint32_t gpu_id;
     57 	uint32_t gmem;
     58 	uint32_t chip_id;
     59 };
     60 
     61 static inline struct msm_pipe * to_msm_pipe(struct fd_pipe *x)
     62 {
     63 	return (struct msm_pipe *)x;
     64 }
     65 
     66 drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev,
     67 		enum fd_pipe_id id);
     68 
     69 drm_private struct fd_ringbuffer * msm_ringbuffer_new(struct fd_pipe *pipe,
     70 		uint32_t size);
     71 
     72 struct msm_bo {
     73 	struct fd_bo base;
     74 	uint64_t offset;
     75 	uint64_t presumed;
     76 	/* to avoid excess hashtable lookups, cache the ring this bo was
     77 	 * last emitted on (since that will probably also be the next ring
     78 	 * it is emitted on)
     79 	 */
     80 	unsigned current_ring_seqno;
     81 	uint32_t idx;
     82 };
     83 
     84 static inline struct msm_bo * to_msm_bo(struct fd_bo *x)
     85 {
     86 	return (struct msm_bo *)x;
     87 }
     88 
     89 drm_private int msm_bo_new_handle(struct fd_device *dev,
     90 		uint32_t size, uint32_t flags, uint32_t *handle);
     91 drm_private struct fd_bo * msm_bo_from_handle(struct fd_device *dev,
     92 		uint32_t size, uint32_t handle);
     93 
     94 static inline void get_abs_timeout(struct drm_msm_timespec *tv, uint64_t ns)
     95 {
     96 	struct timespec t;
     97 	uint32_t s = ns / 1000000000;
     98 	clock_gettime(CLOCK_MONOTONIC, &t);
     99 	tv->tv_sec = t.tv_sec + s;
    100 	tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
    101 }
    102 
    103 #endif /* MSM_PRIV_H_ */
    104