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 hfi_plat_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 hfi_plat_caps *caps = core->caps, *cap;
20 unsigned long bit;
21
22 if (hweight_long(core->dec_codecs) + hweight_long(core->enc_codecs) > MAX_CODEC_NUM)
23 return;
24
25 for_each_set_bit(bit, &core->dec_codecs, MAX_CODEC_NUM) {
26 cap = &caps[core->codecs_count++];
27 cap->codec = BIT(bit);
28 cap->domain = VIDC_SESSION_TYPE_DEC;
29 cap->valid = false;
30 }
31
32 for_each_set_bit(bit, &core->enc_codecs, MAX_CODEC_NUM) {
33 cap = &caps[core->codecs_count++];
34 cap->codec = BIT(bit);
35 cap->domain = VIDC_SESSION_TYPE_ENC;
36 cap->valid = false;
37 }
38 }
39
for_each_codec(struct hfi_plat_caps * caps,unsigned int caps_num,u32 codecs,u32 domain,func cb,void * data,unsigned int size)40 static void for_each_codec(struct hfi_plat_caps *caps, unsigned int caps_num,
41 u32 codecs, u32 domain, func cb, void *data,
42 unsigned int size)
43 {
44 struct hfi_plat_caps *cap;
45 unsigned int i;
46
47 for (i = 0; i < caps_num; i++) {
48 cap = &caps[i];
49 if (cap->valid && cap->domain == domain)
50 continue;
51 if (cap->codec & codecs && cap->domain == domain)
52 cb(cap, data, size);
53 }
54 }
55
56 static void
fill_buf_mode(struct hfi_plat_caps * cap,const void * data,unsigned int num)57 fill_buf_mode(struct hfi_plat_caps *cap, const void *data, unsigned int num)
58 {
59 const u32 *type = data;
60
61 if (*type == HFI_BUFFER_MODE_DYNAMIC)
62 cap->cap_bufs_mode_dynamic = true;
63 }
64
65 static void
parse_alloc_mode(struct venus_core * core,u32 codecs,u32 domain,void * data)66 parse_alloc_mode(struct venus_core *core, u32 codecs, u32 domain, void *data)
67 {
68 struct hfi_buffer_alloc_mode_supported *mode = data;
69 u32 num_entries = mode->num_entries;
70 u32 *type;
71
72 if (num_entries > MAX_ALLOC_MODE_ENTRIES)
73 return;
74
75 type = mode->data;
76
77 while (num_entries--) {
78 if (mode->buffer_type == HFI_BUFFER_OUTPUT ||
79 mode->buffer_type == HFI_BUFFER_OUTPUT2)
80 for_each_codec(core->caps, ARRAY_SIZE(core->caps),
81 codecs, domain, fill_buf_mode, type, 1);
82
83 type++;
84 }
85 }
86
fill_profile_level(struct hfi_plat_caps * cap,const void * data,unsigned int num)87 static void fill_profile_level(struct hfi_plat_caps *cap, const void *data,
88 unsigned int num)
89 {
90 const struct hfi_profile_level *pl = data;
91
92 if (cap->num_pl + num >= HFI_MAX_PROFILE_COUNT)
93 return;
94
95 memcpy(&cap->pl[cap->num_pl], pl, num * sizeof(*pl));
96 cap->num_pl += num;
97 }
98
99 static void
parse_profile_level(struct venus_core * core,u32 codecs,u32 domain,void * data)100 parse_profile_level(struct venus_core *core, u32 codecs, u32 domain, void *data)
101 {
102 struct hfi_profile_level_supported *pl = data;
103 struct hfi_profile_level *proflevel = pl->profile_level;
104 struct hfi_profile_level pl_arr[HFI_MAX_PROFILE_COUNT] = {};
105
106 if (pl->profile_count > HFI_MAX_PROFILE_COUNT)
107 return;
108
109 memcpy(pl_arr, proflevel, pl->profile_count * sizeof(*proflevel));
110
111 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
112 fill_profile_level, pl_arr, pl->profile_count);
113 }
114
115 static void
fill_caps(struct hfi_plat_caps * cap,const void * data,unsigned int num)116 fill_caps(struct hfi_plat_caps *cap, const void *data, unsigned int num)
117 {
118 const struct hfi_capability *caps = data;
119
120 if (cap->num_caps + num >= MAX_CAP_ENTRIES)
121 return;
122
123 memcpy(&cap->caps[cap->num_caps], caps, num * sizeof(*caps));
124 cap->num_caps += num;
125 }
126
127 static void
parse_caps(struct venus_core * core,u32 codecs,u32 domain,void * data)128 parse_caps(struct venus_core *core, u32 codecs, u32 domain, void *data)
129 {
130 struct hfi_capabilities *caps = data;
131 struct hfi_capability *cap = caps->data;
132 u32 num_caps = caps->num_capabilities;
133 struct hfi_capability caps_arr[MAX_CAP_ENTRIES] = {};
134
135 if (num_caps > MAX_CAP_ENTRIES)
136 return;
137
138 memcpy(caps_arr, cap, num_caps * sizeof(*cap));
139
140 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
141 fill_caps, caps_arr, num_caps);
142 }
143
fill_raw_fmts(struct hfi_plat_caps * cap,const void * fmts,unsigned int num_fmts)144 static void fill_raw_fmts(struct hfi_plat_caps *cap, const void *fmts,
145 unsigned int num_fmts)
146 {
147 const struct raw_formats *formats = fmts;
148
149 if (cap->num_fmts + num_fmts >= MAX_FMT_ENTRIES)
150 return;
151
152 memcpy(&cap->fmts[cap->num_fmts], formats, num_fmts * sizeof(*formats));
153 cap->num_fmts += num_fmts;
154 }
155
156 static void
parse_raw_formats(struct venus_core * core,u32 codecs,u32 domain,void * data)157 parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
158 {
159 struct hfi_uncompressed_format_supported *fmt = data;
160 struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
161 struct hfi_uncompressed_plane_constraints *constr;
162 struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
163 u32 entries = fmt->format_entries;
164 unsigned int i = 0;
165 u32 num_planes;
166
167 while (entries) {
168 num_planes = pinfo->num_planes;
169
170 rawfmts[i].fmt = pinfo->format;
171 rawfmts[i].buftype = fmt->buffer_type;
172 i++;
173
174 if (i >= MAX_FMT_ENTRIES)
175 return;
176
177 if (pinfo->num_planes > MAX_PLANES)
178 break;
179
180 pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
181 2 * sizeof(u32);
182 entries--;
183 }
184
185 for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
186 fill_raw_fmts, rawfmts, i);
187 }
188
parse_codecs(struct venus_core * core,void * data)189 static void parse_codecs(struct venus_core *core, void *data)
190 {
191 struct hfi_codec_supported *codecs = data;
192
193 core->dec_codecs = codecs->dec_codecs;
194 core->enc_codecs = codecs->enc_codecs;
195
196 if (IS_V1(core)) {
197 core->dec_codecs &= ~HFI_VIDEO_CODEC_HEVC;
198 core->dec_codecs &= ~HFI_VIDEO_CODEC_SPARK;
199 core->enc_codecs &= ~HFI_VIDEO_CODEC_HEVC;
200 }
201 }
202
parse_max_sessions(struct venus_core * core,const void * data)203 static void parse_max_sessions(struct venus_core *core, const void *data)
204 {
205 const struct hfi_max_sessions_supported *sessions = data;
206
207 core->max_sessions_supported = sessions->max_sessions;
208 }
209
parse_codecs_mask(u32 * codecs,u32 * domain,void * data)210 static void parse_codecs_mask(u32 *codecs, u32 *domain, void *data)
211 {
212 struct hfi_codec_mask_supported *mask = data;
213
214 *codecs = mask->codecs;
215 *domain = mask->video_domains;
216 }
217
parser_init(struct venus_inst * inst,u32 * codecs,u32 * domain)218 static void parser_init(struct venus_inst *inst, u32 *codecs, u32 *domain)
219 {
220 if (!inst || !IS_V1(inst->core))
221 return;
222
223 *codecs = inst->hfi_codec;
224 *domain = inst->session_type;
225 }
226
parser_fini(struct venus_inst * inst,u32 codecs,u32 domain)227 static void parser_fini(struct venus_inst *inst, u32 codecs, u32 domain)
228 {
229 struct hfi_plat_caps *caps, *cap;
230 unsigned int i;
231 u32 dom;
232
233 if (!inst || !IS_V1(inst->core))
234 return;
235
236 caps = inst->core->caps;
237 dom = inst->session_type;
238
239 for (i = 0; i < MAX_CODEC_NUM; i++) {
240 cap = &caps[i];
241 if (cap->codec & codecs && cap->domain == dom)
242 cap->valid = true;
243 }
244 }
245
hfi_platform_parser(struct venus_core * core,struct venus_inst * inst)246 static int hfi_platform_parser(struct venus_core *core, struct venus_inst *inst)
247 {
248 const struct hfi_platform *plat;
249 const struct hfi_plat_caps *caps = NULL;
250 u32 enc_codecs, dec_codecs, count = 0;
251 unsigned int entries;
252 int ret;
253
254 plat = hfi_platform_get(core->res->hfi_version);
255 if (!plat)
256 return -EINVAL;
257
258 if (inst)
259 return 0;
260
261 ret = hfi_platform_get_codecs(core, &enc_codecs, &dec_codecs, &count);
262 if (ret)
263 return ret;
264
265 if (plat->capabilities)
266 caps = plat->capabilities(&entries);
267
268 if (!caps || !entries || !count)
269 return -EINVAL;
270
271 core->enc_codecs = enc_codecs;
272 core->dec_codecs = dec_codecs;
273 core->codecs_count = count;
274 core->max_sessions_supported = MAX_SESSIONS;
275 memset(core->caps, 0, sizeof(*caps) * MAX_CODEC_NUM);
276 memcpy(core->caps, caps, sizeof(*caps) * entries);
277
278 return 0;
279 }
280
hfi_parser(struct venus_core * core,struct venus_inst * inst,void * buf,u32 size)281 u32 hfi_parser(struct venus_core *core, struct venus_inst *inst, void *buf,
282 u32 size)
283 {
284 unsigned int words_count = size >> 2;
285 u32 *word = buf, *data, codecs = 0, domain = 0;
286 int ret;
287
288 ret = hfi_platform_parser(core, inst);
289 if (!ret)
290 return HFI_ERR_NONE;
291
292 if (size % 4)
293 return HFI_ERR_SYS_INSUFFICIENT_RESOURCES;
294
295 parser_init(inst, &codecs, &domain);
296
297 if (core->res->hfi_version > HFI_VERSION_1XX) {
298 core->codecs_count = 0;
299 memset(core->caps, 0, sizeof(core->caps));
300 }
301
302 while (words_count) {
303 data = word + 1;
304
305 switch (*word) {
306 case HFI_PROPERTY_PARAM_CODEC_SUPPORTED:
307 parse_codecs(core, data);
308 init_codecs(core);
309 break;
310 case HFI_PROPERTY_PARAM_MAX_SESSIONS_SUPPORTED:
311 parse_max_sessions(core, data);
312 break;
313 case HFI_PROPERTY_PARAM_CODEC_MASK_SUPPORTED:
314 parse_codecs_mask(&codecs, &domain, data);
315 break;
316 case HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SUPPORTED:
317 parse_raw_formats(core, codecs, domain, data);
318 break;
319 case HFI_PROPERTY_PARAM_CAPABILITY_SUPPORTED:
320 parse_caps(core, codecs, domain, data);
321 break;
322 case HFI_PROPERTY_PARAM_PROFILE_LEVEL_SUPPORTED:
323 parse_profile_level(core, codecs, domain, data);
324 break;
325 case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE_SUPPORTED:
326 parse_alloc_mode(core, codecs, domain, data);
327 break;
328 default:
329 break;
330 }
331
332 word++;
333 words_count--;
334 }
335
336 if (!core->max_sessions_supported)
337 core->max_sessions_supported = MAX_SESSIONS;
338
339 parser_fini(inst, codecs, domain);
340
341 return HFI_ERR_NONE;
342 }
343