nouveau.h revision e88f27b3 
1#ifndef __NOUVEAU_H__
2#define __NOUVEAU_H__
3
4#include <stdint.h>
5#include <stdbool.h>
6
7#define NOUVEAU_DEVICE_CLASS       0x80000000
8#define NOUVEAU_FIFO_CHANNEL_CLASS 0x80000001
9#define NOUVEAU_NOTIFIER_CLASS     0x80000002
10#define NOUVEAU_PARENT_CLASS       0xffffffff
11
12struct nouveau_list {
13	struct nouveau_list *prev;
14	struct nouveau_list *next;
15};
16
17struct nouveau_object {
18	struct nouveau_object *parent;
19	uint64_t handle;
20	uint32_t oclass;
21	uint32_t length;
22	void *data;
23};
24
25struct nouveau_fifo {
26	struct nouveau_object *object;
27	uint32_t channel;
28	uint32_t pushbuf;
29	uint64_t unused1[3];
30};
31
32struct nv04_fifo {
33	struct nouveau_fifo base;
34	uint32_t vram;
35	uint32_t gart;
36	uint32_t notify;
37};
38
39struct nvc0_fifo {
40	struct nouveau_fifo base;
41	uint32_t notify;
42};
43
44#define NVE0_FIFO_ENGINE_GR  0x00000001
45#define NVE0_FIFO_ENGINE_VP  0x00000002
46#define NVE0_FIFO_ENGINE_PPP 0x00000004
47#define NVE0_FIFO_ENGINE_BSP 0x00000008
48#define NVE0_FIFO_ENGINE_CE0 0x00000010
49#define NVE0_FIFO_ENGINE_CE1 0x00000020
50#define NVE0_FIFO_ENGINE_ENC 0x00000040
51
52struct nve0_fifo {
53	struct {
54		struct nouveau_fifo base;
55		uint32_t notify;
56	};
57	uint32_t engine;
58};
59
60struct nv04_notify {
61	struct nouveau_object *object;
62	uint32_t offset;
63	uint32_t length;
64};
65
66int  nouveau_object_new(struct nouveau_object *parent, uint64_t handle,
67			uint32_t oclass, void *data, uint32_t length,
68			struct nouveau_object **);
69void nouveau_object_del(struct nouveau_object **);
70void *nouveau_object_find(struct nouveau_object *, uint32_t parent_class);
71
72struct nouveau_device {
73	struct nouveau_object object;
74	int fd;
75	uint32_t lib_version;
76	uint32_t drm_version;
77	uint32_t chipset;
78	uint64_t vram_size;
79	uint64_t gart_size;
80	uint64_t vram_limit;
81	uint64_t gart_limit;
82};
83
84int  nouveau_device_wrap(int fd, int close, struct nouveau_device **);
85int  nouveau_device_open(const char *busid, struct nouveau_device **);
86void nouveau_device_del(struct nouveau_device **);
87int  nouveau_getparam(struct nouveau_device *, uint64_t param, uint64_t *value);
88int  nouveau_setparam(struct nouveau_device *, uint64_t param, uint64_t value);
89
90struct nouveau_client {
91	struct nouveau_device *device;
92	int id;
93};
94
95int  nouveau_client_new(struct nouveau_device *, struct nouveau_client **);
96void nouveau_client_del(struct nouveau_client **);
97
98union nouveau_bo_config {
99	struct {
100#define NV04_BO_16BPP 0x00000001
101#define NV04_BO_32BPP 0x00000002
102#define NV04_BO_ZETA  0x00000004
103		uint32_t surf_flags;
104		uint32_t surf_pitch;
105	} nv04;
106	struct {
107		uint32_t memtype;
108		uint32_t tile_mode;
109	} nv50;
110	struct {
111		uint32_t memtype;
112		uint32_t tile_mode;
113	} nvc0;
114	uint32_t data[8];
115};
116
117#define NOUVEAU_BO_VRAM    0x00000001
118#define NOUVEAU_BO_GART    0x00000002
119#define NOUVEAU_BO_APER   (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART)
120#define NOUVEAU_BO_RD      0x00000100
121#define NOUVEAU_BO_WR      0x00000200
122#define NOUVEAU_BO_RDWR   (NOUVEAU_BO_RD | NOUVEAU_BO_WR)
123#define NOUVEAU_BO_NOBLOCK 0x00000400
124#define NOUVEAU_BO_LOW     0x00001000
125#define NOUVEAU_BO_HIGH    0x00002000
126#define NOUVEAU_BO_OR      0x00004000
127#define NOUVEAU_BO_MAP     0x80000000
128#define NOUVEAU_BO_CONTIG  0x40000000
129#define NOUVEAU_BO_NOSNOOP 0x20000000
130
131struct nouveau_bo {
132	struct nouveau_device *device;
133	uint32_t handle;
134	uint64_t size;
135	uint32_t flags;
136	uint64_t offset;
137	void *map;
138	union nouveau_bo_config config;
139};
140
141int  nouveau_bo_new(struct nouveau_device *, uint32_t flags, uint32_t align,
142		    uint64_t size, union nouveau_bo_config *,
143		    struct nouveau_bo **);
144int  nouveau_bo_wrap(struct nouveau_device *, uint32_t handle,
145		     struct nouveau_bo **);
146int  nouveau_bo_name_ref(struct nouveau_device *dev, uint32_t name,
147			 struct nouveau_bo **);
148int  nouveau_bo_name_get(struct nouveau_bo *, uint32_t *name);
149void nouveau_bo_ref(struct nouveau_bo *, struct nouveau_bo **);
150int  nouveau_bo_map(struct nouveau_bo *, uint32_t access,
151		    struct nouveau_client *);
152int  nouveau_bo_wait(struct nouveau_bo *, uint32_t access,
153		     struct nouveau_client *);
154int  nouveau_bo_prime_handle_ref(struct nouveau_device *dev, int prime_fd,
155				 struct nouveau_bo **);
156int  nouveau_bo_set_prime(struct nouveau_bo *bo, int *prime_fd);
157
158struct nouveau_bufref {
159	struct nouveau_list thead;
160	struct nouveau_bo *bo;
161	uint32_t packet;
162	uint32_t flags;
163	uint32_t data;
164	uint32_t vor;
165	uint32_t tor;
166	uint32_t priv_data;
167	void *priv;
168};
169
170struct nouveau_bufctx {
171	struct nouveau_client *client;
172	struct nouveau_list head;
173	struct nouveau_list pending;
174	struct nouveau_list current;
175	int relocs;
176};
177
178int  nouveau_bufctx_new(struct nouveau_client *, int bins,
179			struct nouveau_bufctx **);
180void nouveau_bufctx_del(struct nouveau_bufctx **);
181struct nouveau_bufref *
182nouveau_bufctx_refn(struct nouveau_bufctx *, int bin,
183		    struct nouveau_bo *, uint32_t flags);
184struct nouveau_bufref *
185nouveau_bufctx_mthd(struct nouveau_bufctx *, int bin,  uint32_t packet,
186		    struct nouveau_bo *, uint64_t data, uint32_t flags,
187		    uint32_t vor, uint32_t tor);
188void nouveau_bufctx_reset(struct nouveau_bufctx *, int bin);
189
190struct nouveau_pushbuf_krec;
191struct nouveau_pushbuf {
192	struct nouveau_client *client;
193	struct nouveau_object *channel;
194	struct nouveau_bufctx *bufctx;
195	void (*kick_notify)(struct nouveau_pushbuf *);
196	void *user_priv;
197	uint32_t rsvd_kick;
198	uint32_t flags;
199	uint32_t *cur;
200	uint32_t *end;
201};
202
203struct nouveau_pushbuf_refn {
204	struct nouveau_bo *bo;
205	uint32_t flags;
206};
207
208int  nouveau_pushbuf_new(struct nouveau_client *, struct nouveau_object *channel,
209			 int nr, uint32_t size, bool immediate,
210			 struct nouveau_pushbuf **);
211void nouveau_pushbuf_del(struct nouveau_pushbuf **);
212int  nouveau_pushbuf_space(struct nouveau_pushbuf *, uint32_t dwords,
213			   uint32_t relocs, uint32_t pushes);
214void nouveau_pushbuf_data(struct nouveau_pushbuf *, struct nouveau_bo *,
215			  uint64_t offset, uint64_t length);
216int  nouveau_pushbuf_refn(struct nouveau_pushbuf *,
217			  struct nouveau_pushbuf_refn *, int nr);
218/* Emits a reloc into the push buffer at the current position, you *must*
219 * have previously added the referenced buffer to a buffer context, and
220 * validated it against the current push buffer.
221 */
222void nouveau_pushbuf_reloc(struct nouveau_pushbuf *, struct nouveau_bo *,
223			   uint32_t data, uint32_t flags,
224			   uint32_t vor, uint32_t tor);
225int  nouveau_pushbuf_validate(struct nouveau_pushbuf *);
226uint32_t nouveau_pushbuf_refd(struct nouveau_pushbuf *, struct nouveau_bo *);
227int  nouveau_pushbuf_kick(struct nouveau_pushbuf *, struct nouveau_object *channel);
228struct nouveau_bufctx *
229nouveau_pushbuf_bufctx(struct nouveau_pushbuf *, struct nouveau_bufctx *);
230
231#endif
232