1 /*
2 * Copyright 2011-2013 Maarten Lankhorst
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include <nouveau.h>
24
25 #include "pipe/p_defines.h"
26 #include "vl/vl_video_buffer.h"
27 #include "util/u_video.h"
28
29 struct nouveau_vp3_video_buffer {
30 struct pipe_video_buffer base;
31 unsigned num_planes, valid_ref;
32 struct pipe_resource *resources[VL_NUM_COMPONENTS];
33 struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];
34 struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];
35 struct pipe_surface *surfaces[VL_NUM_COMPONENTS * 2];
36 };
37
38 #define SLICE_SIZE 0x200
39 #define VP_OFFSET 0x200
40 #define COMM_OFFSET 0x500
41
42 #define NOUVEAU_VP3_BSP_RESERVED_SIZE 0x700
43
44 #define NOUVEAU_VP3_DEBUG_FENCE 0
45
46 #if NOUVEAU_VP3_DEBUG_FENCE
47 # define NOUVEAU_VP3_VIDEO_QDEPTH 1
48 #else
49 # define NOUVEAU_VP3_VIDEO_QDEPTH 2
50 #endif
51
52 #define SUBC_BSP(m) dec->bsp_idx, (m)
53 #define SUBC_VP(m) dec->vp_idx, (m)
54 #define SUBC_PPP(m) dec->ppp_idx, (m)
55
56 union pipe_desc {
57 struct pipe_picture_desc *base;
58 struct pipe_mpeg12_picture_desc *mpeg12;
59 struct pipe_mpeg4_picture_desc *mpeg4;
60 struct pipe_vc1_picture_desc *vc1;
61 struct pipe_h264_picture_desc *h264;
62 };
63
64 struct nouveau_vp3_decoder {
65 struct pipe_video_codec base;
66 struct nouveau_client *client;
67 struct nouveau_object *channel[3], *bsp, *vp, *ppp;
68 struct nouveau_pushbuf *pushbuf[3];
69
70 #if NOUVEAU_VP3_DEBUG_FENCE
71 /* dump fence and comm, as needed.. */
72 unsigned *fence_map;
73 struct comm *comm;
74
75 struct nouveau_bo *fence_bo;
76 #endif
77
78 struct nouveau_bo *fw_bo, *bitplane_bo;
79
80 // array size max_references + 2, contains unpostprocessed images
81 // added at the end of ref_bo is a tmp array
82 // tmp is an array for h264, with each member being used for a ref frame or current
83 // target.. size = (((mb(w)*((mb(h)+1)&~1))+3)>>2)<<8 * (max_references+1)
84 // for other codecs, it simply seems that size = w*h is enough
85 // unsure what it's supposed to contain..
86 struct nouveau_bo *ref_bo;
87
88 struct nouveau_bo *inter_bo[2];
89
90 struct nouveau_bo *bsp_bo[NOUVEAU_VP3_VIDEO_QDEPTH];
91
92 // bo's used by each cycle:
93
94 // bsp_bo: contains raw bitstream data and parameters for BSP and VP.
95 // inter_bo: contains data shared between BSP and VP
96 // ref_bo: reference image data, used by PPP and VP
97 // bitplane_bo: contain bitplane data (similar to ref_bo), used by BSP only
98 // fw_bo: used by VP only.
99
100 // Needed amount of copies in optimal case:
101 // 2 copies of inter_bo, VP would process the last inter_bo, while BSP is
102 // writing out a new set.
103 // NOUVEAU_VP3_VIDEO_QDEPTH copies of bsp_bo. We don't want to block the
104 // pipeline ever, and give shaders a chance to run as well.
105
106 struct {
107 struct nouveau_vp3_video_buffer *vidbuf;
108 unsigned last_used;
109 unsigned field_pic_flag : 1;
110 unsigned decoded_top : 1;
111 unsigned decoded_bottom : 1;
112 unsigned decoded_first : 1;
113 } refs[17];
114 unsigned fence_seq, fw_sizes, last_frame_num, tmp_stride, ref_stride;
115
116 unsigned bsp_idx, vp_idx, ppp_idx;
117
118 /* End of the bsp bo where new data should be appended between one begin/end
119 * frame.
120 */
121 char *bsp_ptr;
122 };
123
124 struct comm {
125 uint32_t bsp_cur_index; // 000
126 uint32_t byte_ofs; // 004
127 uint32_t status[0x10]; // 008
128 uint32_t pos[0x10]; // 048
129 uint8_t pad[0x100 - 0x88]; // 0a0 bool comm_encrypted
130
131 uint32_t pvp_cur_index; // 100
132 uint32_t acked_byte_ofs; // 104
133 uint32_t status_vp[0x10]; // 108
134 uint16_t mb_y[0x10]; //148
135 uint32_t pvp_stage; // 168 0xeeXX
136 uint16_t parse_endpos_index; // 16c
137 uint16_t irq_index; // 16e
138 uint8_t irq_470[0x10]; // 170
139 uint32_t irq_pos[0x10]; // 180
140 uint32_t parse_endpos[0x10]; // 1c0
141 };
142
nouveau_vp3_video_align(uint32_t h)143 static inline uint32_t nouveau_vp3_video_align(uint32_t h)
144 {
145 return ((h+0x3f)&~0x3f);
146 };
147
mb(uint32_t coord)148 static inline uint32_t mb(uint32_t coord)
149 {
150 return (coord + 0xf)>>4;
151 }
152
mb_half(uint32_t coord)153 static inline uint32_t mb_half(uint32_t coord)
154 {
155 return (coord + 0x1f)>>5;
156 }
157
158 static inline uint64_t
nouveau_vp3_video_addr(struct nouveau_vp3_decoder * dec,struct nouveau_vp3_video_buffer * target)159 nouveau_vp3_video_addr(struct nouveau_vp3_decoder *dec, struct nouveau_vp3_video_buffer *target)
160 {
161 uint64_t ret;
162 if (target)
163 ret = dec->ref_stride * target->valid_ref;
164 else
165 ret = dec->ref_stride * (dec->base.max_references+1);
166 return dec->ref_bo->offset + ret;
167 }
168
169 static inline void
nouveau_vp3_ycbcr_offsets(struct nouveau_vp3_decoder * dec,uint32_t * y2,uint32_t * cbcr,uint32_t * cbcr2)170 nouveau_vp3_ycbcr_offsets(struct nouveau_vp3_decoder *dec, uint32_t *y2,
171 uint32_t *cbcr, uint32_t *cbcr2)
172 {
173 uint32_t w = mb(dec->base.width), size;
174 *y2 = mb_half(dec->base.height)*w;
175 *cbcr = *y2 * 2;
176 *cbcr2 = *cbcr + w * (nouveau_vp3_video_align(dec->base.height)>>6);
177
178 /* The check here should never fail because it means a bug
179 * in the code rather than a bug in hardware..
180 */
181 size = (2 * (*cbcr2 - *cbcr) + *cbcr) << 8;
182 if (size > dec->ref_stride) {
183 debug_printf("Overshot ref_stride (%u) with size %u and ofs (%u,%u,%u)\n",
184 dec->ref_stride, size, *y2<<8, *cbcr<<8, *cbcr2<<8);
185 *y2 = *cbcr = *cbcr2 = 0;
186 assert(size <= dec->ref_stride);
187 }
188 }
189
190 static inline void
nouveau_vp3_inter_sizes(struct nouveau_vp3_decoder * dec,uint32_t slice_count,uint32_t * slice_size,uint32_t * bucket_size,uint32_t * ring_size)191 nouveau_vp3_inter_sizes(struct nouveau_vp3_decoder *dec, uint32_t slice_count,
192 uint32_t *slice_size, uint32_t *bucket_size,
193 uint32_t *ring_size)
194 {
195 *slice_size = (SLICE_SIZE * slice_count)>>8;
196 if (u_reduce_video_profile(dec->base.profile) == PIPE_VIDEO_FORMAT_MPEG12)
197 *bucket_size = 0;
198 else
199 *bucket_size = mb(dec->base.width) * 3;
200 *ring_size = (dec->inter_bo[0]->size >> 8) - *bucket_size - *slice_size;
201 }
202
203 struct pipe_video_buffer *
204 nouveau_vp3_video_buffer_create(struct pipe_context *pipe,
205 const struct pipe_video_buffer *templat,
206 int flags);
207
208 void
209 nouveau_vp3_decoder_init_common(struct pipe_video_codec *decoder);
210
211 int
212 nouveau_vp3_load_firmware(struct nouveau_vp3_decoder *dec,
213 enum pipe_video_profile profile,
214 unsigned chipset);
215
216 void
217 nouveau_vp3_bsp_begin(struct nouveau_vp3_decoder *dec);
218
219 void
220 nouveau_vp3_bsp_next(struct nouveau_vp3_decoder *dec, unsigned num_buffers,
221 const void *const *data, const unsigned *num_bytes);
222
223 uint32_t
224 nouveau_vp3_bsp_end(struct nouveau_vp3_decoder *dec, union pipe_desc desc);
225
226 void
227 nouveau_vp3_vp_caps(struct nouveau_vp3_decoder *dec, union pipe_desc desc,
228 struct nouveau_vp3_video_buffer *target, unsigned comm_seq,
229 unsigned *caps, unsigned *is_ref,
230 struct nouveau_vp3_video_buffer *refs[16]);
231
232 int
233 nouveau_vp3_screen_get_video_param(struct pipe_screen *pscreen,
234 enum pipe_video_profile profile,
235 enum pipe_video_entrypoint entrypoint,
236 enum pipe_video_cap param);
237
238 bool
239 nouveau_vp3_screen_video_supported(struct pipe_screen *screen,
240 enum pipe_format format,
241 enum pipe_video_profile profile,
242 enum pipe_video_entrypoint entrypoint);
243