1
2
3
4
5
6
7#include <linux/bitops.h>
8#include <linux/kernel.h>
9
10#include "core.h"
11#include "hfi_helper.h"
12#include "hfi_parser.h"
13
14typedef void (*func)(struct venus_caps *cap, const void *data,
15 unsigned int size);
16
17static void init_codecs(struct venus_core *core)
18{
19 struct venus_caps *caps = core->caps, *cap;
20 unsigned long bit;
21
22 for_each_set_bit(bit, &core->dec_codecs, MAX_CODEC_NUM) {
23 cap = &caps[core->codecs_count++];
24 cap->codec = BIT(bit);
25 cap->domain = VIDC_SESSION_TYPE_DEC;
26 cap->valid = false;
27 }
28
29 for_each_set_bit(bit, &core->enc_codecs, MAX_CODEC_NUM) {
30 cap = &caps[core->codecs_count++];
31 cap->codec = BIT(bit);
32 cap->domain = VIDC_SESSION_TYPE_ENC;
33 cap->valid = false;
34 }
35}
36
37static void for_each_codec(struct venus_caps *caps, unsigned int caps_num,
38 u32 codecs, u32 domain, func cb, void *data,
39 unsigned int size)
40{
41 struct venus_caps *cap;
42 unsigned int i;
43
44 for (i = 0; i < caps_num; i++) {
45 cap = &caps[i];
46 if (cap->valid && cap->domain == domain)
47 continue;
48 if (cap->codec & codecs && cap->domain == domain)
49 cb(cap, data, size);
50 }
51}
52
53static void
54fill_buf_mode(struct venus_caps *cap, const void *data, unsigned int num)
55{
56 const u32 *type = data;
57
58 if (*type == HFI_BUFFER_MODE_DYNAMIC)
59 cap->cap_bufs_mode_dynamic = true;
60}
61
62static void
63parse_alloc_mode(struct venus_core *core, u32 codecs, u32 domain, void *data)
64{
65 struct hfi_buffer_alloc_mode_supported *mode = data;
66 u32 num_entries = mode->num_entries;
67 u32 *type;
68
69 if (num_entries > MAX_ALLOC_MODE_ENTRIES)
70 return;
71
72 type = mode->data;
73
74 while (num_entries--) {
75 if (mode->buffer_type == HFI_BUFFER_OUTPUT ||
76 mode->buffer_type == HFI_BUFFER_OUTPUT2)
77 for_each_codec(core->caps, ARRAY_SIZE(core->caps),
78 codecs, domain, fill_buf_mode, type, 1);
79
80 type++;
81 }
82}
83
84static void fill_profile_level(struct venus_caps *cap, const void *data,
85 unsigned int num)
86{
87 const struct hfi_profile_level *pl = data;
88
89 memcpy(&cap->pl[cap->num_pl], pl, num * sizeof(*pl));
90 cap->num_pl += num;
91}
92
93static void
94parse_profile_level(struct venus_core *core, u32 codecs, u32 domain, void *data)
95{
96 struct hfi_profile_level_supported *pl = data;
97 struct hfi_profile_level *proflevel = pl->profile_level;
98 struct hfi_profile_level pl_arr[HFI_MAX_PROFILE_COUNT] = {};
99
100 if (pl->profile_count > HFI_MAX_PROFILE_COUNT)
101 return;
102
103 memcpy(pl_arr, proflevel, pl->profile_count * sizeof(*proflevel));
104
105 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
106 fill_profile_level, pl_arr, pl->profile_count);
107}
108
109static void
110fill_caps(struct venus_caps *cap, const void *data, unsigned int num)
111{
112 const struct hfi_capability *caps = data;
113
114 memcpy(&cap->caps[cap->num_caps], caps, num * sizeof(*caps));
115 cap->num_caps += num;
116}
117
118static void
119parse_caps(struct venus_core *core, u32 codecs, u32 domain, void *data)
120{
121 struct hfi_capabilities *caps = data;
122 struct hfi_capability *cap = caps->data;
123 u32 num_caps = caps->num_capabilities;
124 struct hfi_capability caps_arr[MAX_CAP_ENTRIES] = {};
125
126 if (num_caps > MAX_CAP_ENTRIES)
127 return;
128
129 memcpy(caps_arr, cap, num_caps * sizeof(*cap));
130
131 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
132 fill_caps, caps_arr, num_caps);
133}
134
135static void fill_raw_fmts(struct venus_caps *cap, const void *fmts,
136 unsigned int num_fmts)
137{
138 const struct raw_formats *formats = fmts;
139
140 memcpy(&cap->fmts[cap->num_fmts], formats, num_fmts * sizeof(*formats));
141 cap->num_fmts += num_fmts;
142}
143
144static void
145parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
146{
147 struct hfi_uncompressed_format_supported *fmt = data;
148 struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
149 struct hfi_uncompressed_plane_constraints *constr;
150 struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
151 u32 entries = fmt->format_entries;
152 unsigned int i = 0;
153 u32 num_planes;
154
155 while (entries) {
156 num_planes = pinfo->num_planes;
157
158 rawfmts[i].fmt = pinfo->format;
159 rawfmts[i].buftype = fmt->buffer_type;
160 i++;
161
162 if (pinfo->num_planes > MAX_PLANES)
163 break;
164
165 pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
166 2 * sizeof(u32);
167 entries--;
168 }
169
170 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
171 fill_raw_fmts, rawfmts, i);
172}
173
174static void parse_codecs(struct venus_core *core, void *data)
175{
176 struct hfi_codec_supported *codecs = data;
177
178 core->dec_codecs = codecs->dec_codecs;
179 core->enc_codecs = codecs->enc_codecs;
180
181 if (IS_V1(core)) {
182 core->dec_codecs &= ~HFI_VIDEO_CODEC_HEVC;
183 core->dec_codecs &= ~HFI_VIDEO_CODEC_SPARK;
184 }
185}
186
187static void parse_max_sessions(struct venus_core *core, const void *data)
188{
189 const struct hfi_max_sessions_supported *sessions = data;
190
191 core->max_sessions_supported = sessions->max_sessions;
192}
193
194static void parse_codecs_mask(u32 *codecs, u32 *domain, void *data)
195{
196 struct hfi_codec_mask_supported *mask = data;
197
198 *codecs = mask->codecs;
199 *domain = mask->video_domains;
200}
201
202static void parser_init(struct venus_inst *inst, u32 *codecs, u32 *domain)
203{
204 if (!inst || !IS_V1(inst->core))
205 return;
206
207 *codecs = inst->hfi_codec;
208 *domain = inst->session_type;
209}
210
211static void parser_fini(struct venus_inst *inst, u32 codecs, u32 domain)
212{
213 struct venus_caps *caps, *cap;
214 unsigned int i;
215 u32 dom;
216
217 if (!inst || !IS_V1(inst->core))
218 return;
219
220 caps = inst->core->caps;
221 dom = inst->session_type;
222
223 for (i = 0; i < MAX_CODEC_NUM; i++) {
224 cap = &caps[i];
225 if (cap->codec & codecs && cap->domain == dom)
226 cap->valid = true;
227 }
228}
229
230u32 hfi_parser(struct venus_core *core, struct venus_inst *inst, void *buf,
231 u32 size)
232{
233 unsigned int words_count = size >> 2;
234 u32 *word = buf, *data, codecs = 0, domain = 0;
235
236 if (size % 4)
237 return HFI_ERR_SYS_INSUFFICIENT_RESOURCES;
238
239 parser_init(inst, &codecs, &domain);
240
241 while (words_count) {
242 data = word + 1;
243
244 switch (*word) {
245 case HFI_PROPERTY_PARAM_CODEC_SUPPORTED:
246 parse_codecs(core, data);
247 init_codecs(core);
248 break;
249 case HFI_PROPERTY_PARAM_MAX_SESSIONS_SUPPORTED:
250 parse_max_sessions(core, data);
251 break;
252 case HFI_PROPERTY_PARAM_CODEC_MASK_SUPPORTED:
253 parse_codecs_mask(&codecs, &domain, data);
254 break;
255 case HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SUPPORTED:
256 parse_raw_formats(core, codecs, domain, data);
257 break;
258 case HFI_PROPERTY_PARAM_CAPABILITY_SUPPORTED:
259 parse_caps(core, codecs, domain, data);
260 break;
261 case HFI_PROPERTY_PARAM_PROFILE_LEVEL_SUPPORTED:
262 parse_profile_level(core, codecs, domain, data);
263 break;
264 case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE_SUPPORTED:
265 parse_alloc_mode(core, codecs, domain, data);
266 break;
267 default:
268 break;
269 }
270
271 word++;
272 words_count--;
273 }
274
275 parser_fini(inst, codecs, domain);
276
277 return HFI_ERR_NONE;
278}
279
