1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2018 Linaro Ltd.
4 *
5 * Author: Stanimir Varbanov <stanimir.varbanov@linaro.org>
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
14 typedef void (*func)(struct venus_caps *cap, const void *data,
15 unsigned int size);
16
init_codecs(struct venus_core * core)17 static 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
for_each_codec(struct venus_caps * caps,unsigned int caps_num,u32 codecs,u32 domain,func cb,void * data,unsigned int size)37 static 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
53 static void
fill_buf_mode(struct venus_caps * cap,const void * data,unsigned int num)54 fill_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
62 static void
parse_alloc_mode(struct venus_core * core,u32 codecs,u32 domain,void * data)63 parse_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
fill_profile_level(struct venus_caps * cap,const void * data,unsigned int num)84 static 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
93 static void
parse_profile_level(struct venus_core * core,u32 codecs,u32 domain,void * data)94 parse_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
109 static void
fill_caps(struct venus_caps * cap,const void * data,unsigned int num)110 fill_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
118 static void
parse_caps(struct venus_core * core,u32 codecs,u32 domain,void * data)119 parse_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
fill_raw_fmts(struct venus_caps * cap,const void * fmts,unsigned int num_fmts)135 static 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
144 static void
parse_raw_formats(struct venus_core * core,u32 codecs,u32 domain,void * data)145 parse_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
parse_codecs(struct venus_core * core,void * data)174 static 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 core->enc_codecs &= ~HFI_VIDEO_CODEC_HEVC;
185 }
186 }
187
parse_max_sessions(struct venus_core * core,const void * data)188 static void parse_max_sessions(struct venus_core *core, const void *data)
189 {
190 const struct hfi_max_sessions_supported *sessions = data;
191
192 core->max_sessions_supported = sessions->max_sessions;
193 }
194
parse_codecs_mask(u32 * codecs,u32 * domain,void * data)195 static void parse_codecs_mask(u32 *codecs, u32 *domain, void *data)
196 {
197 struct hfi_codec_mask_supported *mask = data;
198
199 *codecs = mask->codecs;
200 *domain = mask->video_domains;
201 }
202
parser_init(struct venus_inst * inst,u32 * codecs,u32 * domain)203 static void parser_init(struct venus_inst *inst, u32 *codecs, u32 *domain)
204 {
205 if (!inst || !IS_V1(inst->core))
206 return;
207
208 *codecs = inst->hfi_codec;
209 *domain = inst->session_type;
210 }
211
parser_fini(struct venus_inst * inst,u32 codecs,u32 domain)212 static void parser_fini(struct venus_inst *inst, u32 codecs, u32 domain)
213 {
214 struct venus_caps *caps, *cap;
215 unsigned int i;
216 u32 dom;
217
218 if (!inst || !IS_V1(inst->core))
219 return;
220
221 caps = inst->core->caps;
222 dom = inst->session_type;
223
224 for (i = 0; i < MAX_CODEC_NUM; i++) {
225 cap = &caps[i];
226 if (cap->codec & codecs && cap->domain == dom)
227 cap->valid = true;
228 }
229 }
230
hfi_parser(struct venus_core * core,struct venus_inst * inst,void * buf,u32 size)231 u32 hfi_parser(struct venus_core *core, struct venus_inst *inst, void *buf,
232 u32 size)
233 {
234 unsigned int words_count = size >> 2;
235 u32 *word = buf, *data, codecs = 0, domain = 0;
236
237 if (size % 4)
238 return HFI_ERR_SYS_INSUFFICIENT_RESOURCES;
239
240 parser_init(inst, &codecs, &domain);
241
242 core->codecs_count = 0;
243 memset(core->caps, 0, sizeof(core->caps));
244
245 while (words_count) {
246 data = word + 1;
247
248 switch (*word) {
249 case HFI_PROPERTY_PARAM_CODEC_SUPPORTED:
250 parse_codecs(core, data);
251 init_codecs(core);
252 break;
253 case HFI_PROPERTY_PARAM_MAX_SESSIONS_SUPPORTED:
254 parse_max_sessions(core, data);
255 break;
256 case HFI_PROPERTY_PARAM_CODEC_MASK_SUPPORTED:
257 parse_codecs_mask(&codecs, &domain, data);
258 break;
259 case HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SUPPORTED:
260 parse_raw_formats(core, codecs, domain, data);
261 break;
262 case HFI_PROPERTY_PARAM_CAPABILITY_SUPPORTED:
263 parse_caps(core, codecs, domain, data);
264 break;
265 case HFI_PROPERTY_PARAM_PROFILE_LEVEL_SUPPORTED:
266 parse_profile_level(core, codecs, domain, data);
267 break;
268 case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE_SUPPORTED:
269 parse_alloc_mode(core, codecs, domain, data);
270 break;
271 default:
272 break;
273 }
274
275 word++;
276 words_count--;
277 }
278
279 parser_fini(inst, codecs, domain);
280
281 return HFI_ERR_NONE;
282 }
283
