// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 Linaro Ltd.
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*
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* Author: Stanimir Varbanov <stanimir.varbanov@linaro.org>
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*/
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#include <linux/bitops.h>
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#include <linux/kernel.h>
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#include "core.h"
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#include "hfi_helper.h"
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#include "hfi_parser.h"
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typedef void (*func)(struct venus_caps *cap, const void *data,
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unsigned int size);
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static void init_codecs(struct venus_core *core)
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{
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struct venus_caps *caps = core->caps, *cap;
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unsigned long bit;
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for_each_set_bit(bit, &core->dec_codecs, MAX_CODEC_NUM) {
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cap = &caps[core->codecs_count++];
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cap->codec = BIT(bit);
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cap->domain = VIDC_SESSION_TYPE_DEC;
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cap->valid = false;
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}
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for_each_set_bit(bit, &core->enc_codecs, MAX_CODEC_NUM) {
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cap = &caps[core->codecs_count++];
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cap->codec = BIT(bit);
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cap->domain = VIDC_SESSION_TYPE_ENC;
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cap->valid = false;
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}
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}
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static void for_each_codec(struct venus_caps *caps, unsigned int caps_num,
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u32 codecs, u32 domain, func cb, void *data,
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unsigned int size)
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{
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struct venus_caps *cap;
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unsigned int i;
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for (i = 0; i < caps_num; i++) {
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cap = &caps[i];
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if (cap->valid && cap->domain == domain)
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continue;
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if (cap->codec & codecs && cap->domain == domain)
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cb(cap, data, size);
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}
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}
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static void
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fill_buf_mode(struct venus_caps *cap, const void *data, unsigned int num)
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{
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const u32 *type = data;
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if (*type == HFI_BUFFER_MODE_DYNAMIC)
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cap->cap_bufs_mode_dynamic = true;
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}
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static void
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parse_alloc_mode(struct venus_core *core, u32 codecs, u32 domain, void *data)
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{
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struct hfi_buffer_alloc_mode_supported *mode = data;
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u32 num_entries = mode->num_entries;
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u32 *type;
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if (num_entries > MAX_ALLOC_MODE_ENTRIES)
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return;
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type = mode->data;
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while (num_entries--) {
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if (mode->buffer_type == HFI_BUFFER_OUTPUT ||
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mode->buffer_type == HFI_BUFFER_OUTPUT2)
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for_each_codec(core->caps, ARRAY_SIZE(core->caps),
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codecs, domain, fill_buf_mode, type, 1);
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type++;
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}
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}
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static void fill_profile_level(struct venus_caps *cap, const void *data,
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unsigned int num)
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{
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const struct hfi_profile_level *pl = data;
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memcpy(&cap->pl[cap->num_pl], pl, num * sizeof(*pl));
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cap->num_pl += num;
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}
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static void
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parse_profile_level(struct venus_core *core, u32 codecs, u32 domain, void *data)
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{
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struct hfi_profile_level_supported *pl = data;
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struct hfi_profile_level *proflevel = pl->profile_level;
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struct hfi_profile_level pl_arr[HFI_MAX_PROFILE_COUNT] = {};
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if (pl->profile_count > HFI_MAX_PROFILE_COUNT)
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return;
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memcpy(pl_arr, proflevel, pl->profile_count * sizeof(*proflevel));
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for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
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fill_profile_level, pl_arr, pl->profile_count);
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}
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static void
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fill_caps(struct venus_caps *cap, const void *data, unsigned int num)
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{
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const struct hfi_capability *caps = data;
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memcpy(&cap->caps[cap->num_caps], caps, num * sizeof(*caps));
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cap->num_caps += num;
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}
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static void
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parse_caps(struct venus_core *core, u32 codecs, u32 domain, void *data)
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{
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struct hfi_capabilities *caps = data;
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struct hfi_capability *cap = caps->data;
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u32 num_caps = caps->num_capabilities;
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struct hfi_capability caps_arr[MAX_CAP_ENTRIES] = {};
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if (num_caps > MAX_CAP_ENTRIES)
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return;
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memcpy(caps_arr, cap, num_caps * sizeof(*cap));
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for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
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fill_caps, caps_arr, num_caps);
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}
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static void fill_raw_fmts(struct venus_caps *cap, const void *fmts,
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unsigned int num_fmts)
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{
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const struct raw_formats *formats = fmts;
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memcpy(&cap->fmts[cap->num_fmts], formats, num_fmts * sizeof(*formats));
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cap->num_fmts += num_fmts;
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}
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static void
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parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
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{
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struct hfi_uncompressed_format_supported *fmt = data;
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struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
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struct hfi_uncompressed_plane_constraints *constr;
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struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
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u32 entries = fmt->format_entries;
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unsigned int i = 0;
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u32 num_planes;
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while (entries) {
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num_planes = pinfo->num_planes;
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rawfmts[i].fmt = pinfo->format;
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rawfmts[i].buftype = fmt->buffer_type;
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i++;
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if (pinfo->num_planes > MAX_PLANES)
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break;
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pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
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2 * sizeof(u32);
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entries--;
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}
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for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain,
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fill_raw_fmts, rawfmts, i);
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}
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static void parse_codecs(struct venus_core *core, void *data)
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{
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struct hfi_codec_supported *codecs = data;
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core->dec_codecs = codecs->dec_codecs;
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core->enc_codecs = codecs->enc_codecs;
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if (IS_V1(core)) {
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core->dec_codecs &= ~HFI_VIDEO_CODEC_HEVC;
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core->dec_codecs &= ~HFI_VIDEO_CODEC_SPARK;
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core->enc_codecs &= ~HFI_VIDEO_CODEC_HEVC;
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}
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}
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static void parse_max_sessions(struct venus_core *core, const void *data)
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{
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const struct hfi_max_sessions_supported *sessions = data;
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core->max_sessions_supported = sessions->max_sessions;
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}
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static void parse_codecs_mask(u32 *codecs, u32 *domain, void *data)
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{
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struct hfi_codec_mask_supported *mask = data;
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*codecs = mask->codecs;
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*domain = mask->video_domains;
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}
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static void parser_init(struct venus_inst *inst, u32 *codecs, u32 *domain)
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{
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if (!inst || !IS_V1(inst->core))
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return;
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*codecs = inst->hfi_codec;
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*domain = inst->session_type;
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}
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static void parser_fini(struct venus_inst *inst, u32 codecs, u32 domain)
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{
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struct venus_caps *caps, *cap;
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unsigned int i;
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u32 dom;
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if (!inst || !IS_V1(inst->core))
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return;
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caps = inst->core->caps;
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dom = inst->session_type;
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for (i = 0; i < MAX_CODEC_NUM; i++) {
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cap = &caps[i];
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if (cap->codec & codecs && cap->domain == dom)
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cap->valid = true;
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}
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}
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u32 hfi_parser(struct venus_core *core, struct venus_inst *inst, void *buf,
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u32 size)
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{
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unsigned int words_count = size >> 2;
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u32 *word = buf, *data, codecs = 0, domain = 0;
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if (size % 4)
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return HFI_ERR_SYS_INSUFFICIENT_RESOURCES;
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parser_init(inst, &codecs, &domain);
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if (core->res->hfi_version > HFI_VERSION_1XX) {
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core->codecs_count = 0;
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memset(core->caps, 0, sizeof(core->caps));
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}
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while (words_count) {
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data = word + 1;
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switch (*word) {
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case HFI_PROPERTY_PARAM_CODEC_SUPPORTED:
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parse_codecs(core, data);
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init_codecs(core);
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break;
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case HFI_PROPERTY_PARAM_MAX_SESSIONS_SUPPORTED:
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parse_max_sessions(core, data);
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break;
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case HFI_PROPERTY_PARAM_CODEC_MASK_SUPPORTED:
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parse_codecs_mask(&codecs, &domain, data);
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break;
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case HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SUPPORTED:
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parse_raw_formats(core, codecs, domain, data);
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break;
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case HFI_PROPERTY_PARAM_CAPABILITY_SUPPORTED:
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parse_caps(core, codecs, domain, data);
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break;
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case HFI_PROPERTY_PARAM_PROFILE_LEVEL_SUPPORTED:
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parse_profile_level(core, codecs, domain, data);
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break;
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case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE_SUPPORTED:
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parse_alloc_mode(core, codecs, domain, data);
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break;
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default:
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break;
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}
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word++;
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words_count--;
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}
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parser_fini(inst, codecs, domain);
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return HFI_ERR_NONE;
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}
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