1 #ifndef __NOUVEAU_H__
2 #define __NOUVEAU_H__
3 
4 #include <stdint.h>
5 #include <stdbool.h>
6 
7 /* Supported class information, provided by the kernel */
8 struct nouveau_sclass {
9 	int32_t oclass;
10 	int minver;
11 	int maxver;
12 };
13 
14 /* Client-provided array describing class versions that are desired.
15  *
16  * These are used to match against the kernel's list of supported classes.
17  */
18 struct nouveau_mclass {
19 	int32_t oclass;
20 	int version;
21 	void *data;
22 };
23 
24 struct nouveau_object {
25 	struct nouveau_object *parent;
26 	uint64_t handle;
27 	uint32_t oclass;
28 	uint32_t length;	/* deprecated */
29 	void *data;		/* deprecated */
30 };
31 
32 int nouveau_object_new(struct nouveau_object *parent, uint64_t handle,
33 		       uint32_t oclass, void *data, uint32_t length,
34 		       struct nouveau_object **);
35 void nouveau_object_del(struct nouveau_object **);
36 int nouveau_object_mthd(struct nouveau_object *, uint32_t mthd,
37 			void *data, uint32_t size);
38 int nouveau_object_sclass_get(struct nouveau_object *,
39 			      struct nouveau_sclass **);
40 void nouveau_object_sclass_put(struct nouveau_sclass **);
41 int nouveau_object_mclass(struct nouveau_object *,
42 			  const struct nouveau_mclass *);
43 
44 struct nouveau_drm {
45 	struct nouveau_object client;
46 	int fd;
47 	uint32_t version;
48 	bool nvif;
49 };
50 
51 static inline struct nouveau_drm *
nouveau_drm(struct nouveau_object * obj)52 nouveau_drm(struct nouveau_object *obj)
53 {
54 	while (obj && obj->parent)
55 		obj = obj->parent;
56 	return (struct nouveau_drm *)obj;
57 }
58 
59 int nouveau_drm_new(int fd, struct nouveau_drm **);
60 void nouveau_drm_del(struct nouveau_drm **);
61 
62 struct nouveau_device {
63 	struct nouveau_object object;
64 	int fd;			/* deprecated */
65 	uint32_t lib_version;	/* deprecated */
66 	uint32_t drm_version;	/* deprecated */
67 	uint32_t chipset;
68 	uint64_t vram_size;
69 	uint64_t gart_size;
70 	uint64_t vram_limit;
71 	uint64_t gart_limit;
72 };
73 
74 int nouveau_device_new(struct nouveau_object *parent, int32_t oclass,
75 		       void *data, uint32_t size, struct nouveau_device **);
76 void nouveau_device_del(struct nouveau_device **);
77 
78 int nouveau_getparam(struct nouveau_device *, uint64_t param, uint64_t *value);
79 int nouveau_setparam(struct nouveau_device *, uint64_t param, uint64_t value);
80 
81 /* deprecated */
82 int nouveau_device_wrap(int fd, int close, struct nouveau_device **);
83 int nouveau_device_open(const char *busid, struct nouveau_device **);
84 
85 struct nouveau_client {
86 	struct nouveau_device *device;
87 	int id;
88 };
89 
90 int nouveau_client_new(struct nouveau_device *, struct nouveau_client **);
91 void nouveau_client_del(struct nouveau_client **);
92 
93 union nouveau_bo_config {
94 	struct {
95 #define NV04_BO_16BPP 0x00000001
96 #define NV04_BO_32BPP 0x00000002
97 #define NV04_BO_ZETA  0x00000004
98 		uint32_t surf_flags;
99 		uint32_t surf_pitch;
100 	} nv04;
101 	struct {
102 		uint32_t memtype;
103 		uint32_t tile_mode;
104 	} nv50;
105 	struct {
106 		uint32_t memtype;
107 		uint32_t tile_mode;
108 	} nvc0;
109 	uint32_t data[8];
110 };
111 
112 #define NOUVEAU_BO_VRAM    0x00000001
113 #define NOUVEAU_BO_GART    0x00000002
114 #define NOUVEAU_BO_APER   (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)
115 #define NOUVEAU_BO_RD      0x00000100
116 #define NOUVEAU_BO_WR      0x00000200
117 #define NOUVEAU_BO_RDWR   (NOUVEAU_BO_RD | NOUVEAU_BO_WR)
118 #define NOUVEAU_BO_NOBLOCK 0x00000400
119 #define NOUVEAU_BO_LOW     0x00001000
120 #define NOUVEAU_BO_HIGH    0x00002000
121 #define NOUVEAU_BO_OR      0x00004000
122 #define NOUVEAU_BO_MAP     0x80000000
123 #define NOUVEAU_BO_CONTIG  0x40000000
124 #define NOUVEAU_BO_NOSNOOP 0x20000000
125 #define NOUVEAU_BO_COHERENT 0x10000000
126 
127 struct nouveau_bo {
128 	struct nouveau_device *device;
129 	uint32_t handle;
130 	uint64_t size;
131 	uint32_t flags;
132 	uint64_t offset;
133 	void *map;
134 	union nouveau_bo_config config;
135 };
136 
137 int nouveau_bo_new(struct nouveau_device *, uint32_t flags, uint32_t align,
138 		   uint64_t size, union nouveau_bo_config *,
139 		   struct nouveau_bo **);
140 int nouveau_bo_wrap(struct nouveau_device *, uint32_t handle,
141 		    struct nouveau_bo **);
142 int nouveau_bo_name_ref(struct nouveau_device *v, uint32_t name,
143 			struct nouveau_bo **);
144 int nouveau_bo_name_get(struct nouveau_bo *, uint32_t *name);
145 void nouveau_bo_ref(struct nouveau_bo *, struct nouveau_bo **);
146 int nouveau_bo_map(struct nouveau_bo *, uint32_t access,
147 		   struct nouveau_client *);
148 int nouveau_bo_wait(struct nouveau_bo *, uint32_t access,
149 		    struct nouveau_client *);
150 int nouveau_bo_prime_handle_ref(struct nouveau_device *, int prime_fd,
151 				struct nouveau_bo **);
152 int nouveau_bo_set_prime(struct nouveau_bo *, int *prime_fd);
153 
154 struct nouveau_list {
155 	struct nouveau_list *prev;
156 	struct nouveau_list *next;
157 };
158 
159 struct nouveau_bufref {
160 	struct nouveau_list thead;
161 	struct nouveau_bo *bo;
162 	uint32_t packet;
163 	uint32_t flags;
164 	uint32_t data;
165 	uint32_t vor;
166 	uint32_t tor;
167 	uint32_t priv_data;
168 	void *priv;
169 };
170 
171 struct nouveau_bufctx {
172 	struct nouveau_client *client;
173 	struct nouveau_list head;
174 	struct nouveau_list pending;
175 	struct nouveau_list current;
176 	int relocs;
177 };
178 
179 int nouveau_bufctx_new(struct nouveau_client *, int bins,
180 		       struct nouveau_bufctx **);
181 void nouveau_bufctx_del(struct nouveau_bufctx **);
182 struct nouveau_bufref *
183 nouveau_bufctx_refn(struct nouveau_bufctx *, int bin,
184 		    struct nouveau_bo *, uint32_t flags);
185 struct nouveau_bufref *
186 nouveau_bufctx_mthd(struct nouveau_bufctx *, int bin,  uint32_t packet,
187 		    struct nouveau_bo *, uint64_t data, uint32_t flags,
188 		    uint32_t vor, uint32_t tor);
189 void nouveau_bufctx_reset(struct nouveau_bufctx *, int bin);
190 
191 struct nouveau_pushbuf_krec;
192 struct nouveau_pushbuf {
193 	struct nouveau_client *client;
194 	struct nouveau_object *channel;
195 	struct nouveau_bufctx *bufctx;
196 	void (*kick_notify)(struct nouveau_pushbuf *);
197 	void *user_priv;
198 	uint32_t rsvd_kick;
199 	uint32_t flags;
200 	uint32_t *cur;
201 	uint32_t *end;
202 };
203 
204 struct nouveau_pushbuf_refn {
205 	struct nouveau_bo *bo;
206 	uint32_t flags;
207 };
208 
209 int nouveau_pushbuf_new(struct nouveau_client *, struct nouveau_object *chan,
210 			int nr, uint32_t size, bool immediate,
211 			struct nouveau_pushbuf **);
212 void nouveau_pushbuf_del(struct nouveau_pushbuf **);
213 int nouveau_pushbuf_space(struct nouveau_pushbuf *, uint32_t dwords,
214 			  uint32_t relocs, uint32_t pushes);
215 void nouveau_pushbuf_data(struct nouveau_pushbuf *, struct nouveau_bo *,
216 			  uint64_t offset, uint64_t length);
217 int nouveau_pushbuf_refn(struct nouveau_pushbuf *,
218 			 struct nouveau_pushbuf_refn *, int nr);
219 /* Emits a reloc into the push buffer at the current position, you *must*
220  * have previously added the referenced buffer to a buffer context, and
221  * validated it against the current push buffer.
222  */
223 void nouveau_pushbuf_reloc(struct nouveau_pushbuf *, struct nouveau_bo *,
224 			   uint32_t data, uint32_t flags,
225 			   uint32_t vor, uint32_t tor);
226 int nouveau_pushbuf_validate(struct nouveau_pushbuf *);
227 uint32_t nouveau_pushbuf_refd(struct nouveau_pushbuf *, struct nouveau_bo *);
228 int nouveau_pushbuf_kick(struct nouveau_pushbuf *, struct nouveau_object *chan);
229 struct nouveau_bufctx *
230 nouveau_pushbuf_bufctx(struct nouveau_pushbuf *, struct nouveau_bufctx *);
231 
232 #define NOUVEAU_DEVICE_CLASS       0x80000000
233 #define NOUVEAU_FIFO_CHANNEL_CLASS 0x80000001
234 #define NOUVEAU_NOTIFIER_CLASS     0x80000002
235 
236 struct nouveau_fifo {
237 	struct nouveau_object *object;
238 	uint32_t channel;
239 	uint32_t pushbuf;
240 	uint64_t unused1[3];
241 };
242 
243 struct nv04_fifo {
244 	struct nouveau_fifo base;
245 	uint32_t vram;
246 	uint32_t gart;
247 	uint32_t notify;
248 };
249 
250 struct nvc0_fifo {
251 	struct nouveau_fifo base;
252 	uint32_t notify;
253 };
254 
255 #define NVE0_FIFO_ENGINE_GR  0x00000001
256 #define NVE0_FIFO_ENGINE_VP  0x00000002
257 #define NVE0_FIFO_ENGINE_PPP 0x00000004
258 #define NVE0_FIFO_ENGINE_BSP 0x00000008
259 #define NVE0_FIFO_ENGINE_CE0 0x00000010
260 #define NVE0_FIFO_ENGINE_CE1 0x00000020
261 #define NVE0_FIFO_ENGINE_ENC 0x00000040
262 
263 struct nve0_fifo {
264 	struct {
265 		struct nouveau_fifo base;
266 		uint32_t notify;
267 	};
268 	uint32_t engine;
269 };
270 
271 struct nv04_notify {
272 	struct nouveau_object *object;
273 	uint32_t offset;
274 	uint32_t length;
275 };
276 #endif
277