1 /*
2  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Rob Clark <robclark@freedesktop.org>
25  */
26 
27 #ifndef FREEDRENO_SCREEN_H_
28 #define FREEDRENO_SCREEN_H_
29 
30 #include "drm/freedreno_drmif.h"
31 #include "drm/freedreno_ringbuffer.h"
32 #include "perfcntrs/freedreno_perfcntr.h"
33 #include "common/freedreno_dev_info.h"
34 
35 #include "pipe/p_screen.h"
36 #include "util/debug.h"
37 #include "util/u_memory.h"
38 #include "util/slab.h"
39 #include "util/simple_mtx.h"
40 #include "renderonly/renderonly.h"
41 
42 #include "freedreno_batch_cache.h"
43 #include "freedreno_gmem.h"
44 #include "freedreno_util.h"
45 
46 struct fd_bo;
47 
48 struct fd_screen {
49 	struct pipe_screen base;
50 
51 	struct list_head context_list;
52 
53 	simple_mtx_t lock;
54 
55 	/* it would be tempting to use pipe_reference here, but that
56 	 * really doesn't work well if it isn't the first member of
57 	 * the struct, so not quite so awesome to be adding refcnting
58 	 * further down the inheritance hierarchy:
59 	 */
60 	int refcnt;
61 
62 	/* place for winsys to stash it's own stuff: */
63 	void *winsys_priv;
64 
65 	struct slab_parent_pool transfer_pool;
66 
67 	uint64_t gmem_base;
68 	uint32_t gmemsize_bytes;
69 	uint32_t device_id;
70 	uint32_t gpu_id;         /* 220, 305, etc */
71 	uint32_t chip_id;        /* coreid:8 majorrev:8 minorrev:8 patch:8 */
72 	uint32_t max_freq;
73 	uint32_t ram_size;
74 	uint32_t max_rts;        /* max # of render targets */
75 	uint32_t priority_mask;
76 	bool has_timestamp;
77 	bool has_robustness;
78 	bool has_syncobj;
79 
80 	struct freedreno_dev_info info;
81 
82 	unsigned num_perfcntr_groups;
83 	const struct fd_perfcntr_group *perfcntr_groups;
84 
85 	/* generated at startup from the perfcntr groups: */
86 	unsigned num_perfcntr_queries;
87 	struct pipe_driver_query_info *perfcntr_queries;
88 
89 	void *compiler;          /* currently unused for a2xx */
90 
91 	struct fd_device *dev;
92 
93 	/* NOTE: we still need a pipe associated with the screen in a few
94 	 * places, like screen->get_timestamp().  For anything context
95 	 * related, use ctx->pipe instead.
96 	 */
97 	struct fd_pipe *pipe;
98 
99 	uint32_t (*setup_slices)(struct fd_resource *rsc);
100 	unsigned (*tile_mode)(const struct pipe_resource *prsc);
101 	int (*layout_resource_for_modifier)(struct fd_resource *rsc, uint64_t modifier);
102 
103 	/* indirect-branch emit: */
104 	void (*emit_ib)(struct fd_ringbuffer *ring, struct fd_ringbuffer *target);
105 
106 	/* simple gpu "memcpy": */
107 	void (*mem_to_mem)(struct fd_ringbuffer *ring, struct pipe_resource *dst,
108 			unsigned dst_off, struct pipe_resource *src, unsigned src_off,
109 			unsigned sizedwords);
110 
111 	int64_t cpu_gpu_time_delta;
112 
113 	struct fd_batch_cache batch_cache;
114 	struct fd_gmem_cache gmem_cache;
115 
116 	bool reorder;
117 
118 	uint16_t rsc_seqno;
119 
120 	unsigned num_supported_modifiers;
121 	const uint64_t *supported_modifiers;
122 
123 	struct renderonly *ro;
124 
125 	/* when BATCH_DEBUG is enabled, tracking for fd_batch's which are not yet
126 	 * freed:
127 	 */
128 	struct set *live_batches;
129 };
130 
131 static inline struct fd_screen *
fd_screen(struct pipe_screen * pscreen)132 fd_screen(struct pipe_screen *pscreen)
133 {
134 	return (struct fd_screen *)pscreen;
135 }
136 
137 static inline void
fd_screen_lock(struct fd_screen * screen)138 fd_screen_lock(struct fd_screen *screen)
139 {
140 	simple_mtx_lock(&screen->lock);
141 }
142 
143 static inline void
fd_screen_unlock(struct fd_screen * screen)144 fd_screen_unlock(struct fd_screen *screen)
145 {
146 	simple_mtx_unlock(&screen->lock);
147 }
148 
149 static inline void
fd_screen_assert_locked(struct fd_screen * screen)150 fd_screen_assert_locked(struct fd_screen *screen)
151 {
152 	simple_mtx_assert_locked(&screen->lock);
153 }
154 
155 bool fd_screen_bo_get_handle(struct pipe_screen *pscreen,
156 		struct fd_bo *bo,
157 		struct renderonly_scanout *scanout,
158 		unsigned stride,
159 		struct winsys_handle *whandle);
160 struct fd_bo * fd_screen_bo_from_handle(struct pipe_screen *pscreen,
161 		struct winsys_handle *whandle);
162 
163 struct pipe_screen *
164 fd_screen_create(struct fd_device *dev, struct renderonly *ro);
165 
166 static inline boolean
is_a20x(struct fd_screen * screen)167 is_a20x(struct fd_screen *screen)
168 {
169 	return (screen->gpu_id >= 200) && (screen->gpu_id < 210);
170 }
171 
172 static inline boolean
is_a2xx(struct fd_screen * screen)173 is_a2xx(struct fd_screen *screen)
174 {
175 	return (screen->gpu_id >= 200) && (screen->gpu_id < 300);
176 }
177 
178 /* is a3xx patch revision 0? */
179 /* TODO a306.0 probably doesn't need this.. be more clever?? */
180 static inline boolean
is_a3xx_p0(struct fd_screen * screen)181 is_a3xx_p0(struct fd_screen *screen)
182 {
183 	return (screen->chip_id & 0xff0000ff) == 0x03000000;
184 }
185 
186 static inline boolean
is_a3xx(struct fd_screen * screen)187 is_a3xx(struct fd_screen *screen)
188 {
189 	return (screen->gpu_id >= 300) && (screen->gpu_id < 400);
190 }
191 
192 static inline boolean
is_a4xx(struct fd_screen * screen)193 is_a4xx(struct fd_screen *screen)
194 {
195 	return (screen->gpu_id >= 400) && (screen->gpu_id < 500);
196 }
197 
198 static inline boolean
is_a5xx(struct fd_screen * screen)199 is_a5xx(struct fd_screen *screen)
200 {
201 	return (screen->gpu_id >= 500) && (screen->gpu_id < 600);
202 }
203 
204 static inline boolean
is_a6xx(struct fd_screen * screen)205 is_a6xx(struct fd_screen *screen)
206 {
207 	return (screen->gpu_id >= 600) && (screen->gpu_id < 700);
208 }
209 
210 static inline boolean
is_a650(struct fd_screen * screen)211 is_a650(struct fd_screen *screen)
212 {
213 	return screen->gpu_id == 650;
214 }
215 
216 /* is it using the ir3 compiler (shader isa introduced with a3xx)? */
217 static inline boolean
is_ir3(struct fd_screen * screen)218 is_ir3(struct fd_screen *screen)
219 {
220 	return is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen);
221 }
222 
223 static inline bool
has_compute(struct fd_screen * screen)224 has_compute(struct fd_screen *screen)
225 {
226 	return is_a5xx(screen) || is_a6xx(screen);
227 }
228 
229 #endif /* FREEDRENO_SCREEN_H_ */
230