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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 };
     43 
     44 static inline struct msm_device * to_msm_device(struct fd_device *x)
     45 {
     46 	return (struct msm_device *)x;
     47 }
     48 
     49 drm_private struct fd_device * msm_device_new(int fd);
     50 
     51 struct msm_pipe {
     52 	struct fd_pipe base;
     53 	uint32_t pipe;
     54 	uint32_t gpu_id;
     55 	uint32_t gmem;
     56 	uint32_t chip_id;
     57 };
     58 
     59 static inline struct msm_pipe * to_msm_pipe(struct fd_pipe *x)
     60 {
     61 	return (struct msm_pipe *)x;
     62 }
     63 
     64 drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev,
     65 		enum fd_pipe_id id);
     66 
     67 drm_private struct fd_ringbuffer * msm_ringbuffer_new(struct fd_pipe *pipe,
     68 		uint32_t size);
     69 
     70 struct msm_bo {
     71 	struct fd_bo base;
     72 	uint64_t offset;
     73 	uint64_t presumed;
     74 	/* in the common case, a bo won't be referenced by more than a single
     75 	 * (parent) ring[*].  So to avoid looping over all the bo's in the
     76 	 * reloc table to find the idx of a bo that might already be in the
     77 	 * table, we cache the idx in the bo.  But in order to detect the
     78 	 * slow-path where bo is ref'd in multiple rb's, we also must track
     79 	 * the current_ring for which the idx is valid.  See bo2idx().
     80 	 *
     81 	 * [*] in case multiple ringbuffers, ie. one toplevel and other rb(s)
     82 	 *     used for IB target(s), the toplevel rb is the parent which is
     83 	 *     tracking bo's for the submit
     84 	 */
     85 	struct fd_ringbuffer *current_ring;
     86 	uint32_t idx;
     87 };
     88 
     89 static inline struct msm_bo * to_msm_bo(struct fd_bo *x)
     90 {
     91 	return (struct msm_bo *)x;
     92 }
     93 
     94 drm_private int msm_bo_new_handle(struct fd_device *dev,
     95 		uint32_t size, uint32_t flags, uint32_t *handle);
     96 drm_private struct fd_bo * msm_bo_from_handle(struct fd_device *dev,
     97 		uint32_t size, uint32_t handle);
     98 
     99 static inline void get_abs_timeout(struct drm_msm_timespec *tv, uint64_t ns)
    100 {
    101 	struct timespec t;
    102 	uint32_t s = ns / 1000000000;
    103 	clock_gettime(CLOCK_MONOTONIC, &t);
    104 	tv->tv_sec = t.tv_sec + s;
    105 	tv->tv_nsec = t.tv_nsec + ns - (s * 1000000000);
    106 }
    107 
    108 #endif /* MSM_PRIV_H_ */
    109