diff options
Diffstat (limited to 'drivers/media/platform/qcom/venus/hfi_parser.c')
| -rw-r--r-- | drivers/media/platform/qcom/venus/hfi_parser.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c new file mode 100644 index 000000000000..afc0db3b5dc3 --- /dev/null +++ b/drivers/media/platform/qcom/venus/hfi_parser.c @@ -0,0 +1,283 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Linaro Ltd. + * + * Author: Stanimir Varbanov <stanimir.varbanov@linaro.org> + */ +#include <linux/bitops.h> +#include <linux/kernel.h> + +#include "core.h" +#include "hfi_helper.h" +#include "hfi_parser.h" + +typedef void (*func)(struct venus_caps *cap, const void *data, + unsigned int size); + +static void init_codecs(struct venus_core *core) +{ + struct venus_caps *caps = core->caps, *cap; + unsigned long bit; + + for_each_set_bit(bit, &core->dec_codecs, MAX_CODEC_NUM) { + cap = &caps[core->codecs_count++]; + cap->codec = BIT(bit); + cap->domain = VIDC_SESSION_TYPE_DEC; + cap->valid = false; + } + + for_each_set_bit(bit, &core->enc_codecs, MAX_CODEC_NUM) { + cap = &caps[core->codecs_count++]; + cap->codec = BIT(bit); + cap->domain = VIDC_SESSION_TYPE_ENC; + cap->valid = false; + } +} + +static void for_each_codec(struct venus_caps *caps, unsigned int caps_num, + u32 codecs, u32 domain, func cb, void *data, + unsigned int size) +{ + struct venus_caps *cap; + unsigned int i; + + for (i = 0; i < caps_num; i++) { + cap = &caps[i]; + if (cap->valid && cap->domain == domain) + continue; + if (cap->codec & codecs && cap->domain == domain) + cb(cap, data, size); + } +} + +static void +fill_buf_mode(struct venus_caps *cap, const void *data, unsigned int num) +{ + const u32 *type = data; + + if (*type == HFI_BUFFER_MODE_DYNAMIC) + cap->cap_bufs_mode_dynamic = true; +} + +static void +parse_alloc_mode(struct venus_core *core, struct venus_inst *inst, u32 codecs, + u32 domain, void *data) +{ + struct hfi_buffer_alloc_mode_supported *mode = data; + u32 num_entries = mode->num_entries; + u32 *type; + + if (num_entries > MAX_ALLOC_MODE_ENTRIES) + return; + + type = mode->data; + + while (num_entries--) { + if (mode->buffer_type == HFI_BUFFER_OUTPUT || + mode->buffer_type == HFI_BUFFER_OUTPUT2) { + if (*type == HFI_BUFFER_MODE_DYNAMIC && inst) + inst->cap_bufs_mode_dynamic = true; + + for_each_codec(core->caps, ARRAY_SIZE(core->caps), + codecs, domain, fill_buf_mode, type, 1); + } + + type++; + } +} + +static void fill_profile_level(struct venus_caps *cap, const void *data, + unsigned int num) +{ + const struct hfi_profile_level *pl = data; + + memcpy(&cap->pl[cap->num_pl], pl, num * sizeof(*pl)); + cap->num_pl += num; +} + +static void +parse_profile_level(struct venus_core *core, u32 codecs, u32 domain, void *data) +{ + struct hfi_profile_level_supported *pl = data; + struct hfi_profile_level *proflevel = pl->profile_level; + struct hfi_profile_level pl_arr[HFI_MAX_PROFILE_COUNT] = {}; + + if (pl->profile_count > HFI_MAX_PROFILE_COUNT) + return; + + memcpy(pl_arr, proflevel, pl->profile_count * sizeof(*proflevel)); + + for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain, + fill_profile_level, pl_arr, pl->profile_count); +} + +static void +fill_caps(struct venus_caps *cap, const void *data, unsigned int num) +{ + const struct hfi_capability *caps = data; + + memcpy(&cap->caps[cap->num_caps], caps, num * sizeof(*caps)); + cap->num_caps += num; +} + +static void +parse_caps(struct venus_core *core, u32 codecs, u32 domain, void *data) +{ + struct hfi_capabilities *caps = data; + struct hfi_capability *cap = caps->data; + u32 num_caps = caps->num_capabilities; + struct hfi_capability caps_arr[MAX_CAP_ENTRIES] = {}; + + if (num_caps > MAX_CAP_ENTRIES) + return; + + memcpy(caps_arr, cap, num_caps * sizeof(*cap)); + + for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain, + fill_caps, caps_arr, num_caps); +} + +static void fill_raw_fmts(struct venus_caps *cap, const void *fmts, + unsigned int num_fmts) +{ + const struct raw_formats *formats = fmts; + + memcpy(&cap->fmts[cap->num_fmts], formats, num_fmts * sizeof(*formats)); + cap->num_fmts += num_fmts; +} + +static void +parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data) +{ + struct hfi_uncompressed_format_supported *fmt = data; + struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info; + struct hfi_uncompressed_plane_constraints *constr; + struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {}; + u32 entries = fmt->format_entries; + unsigned int i = 0; + u32 num_planes; + + while (entries) { + num_planes = pinfo->num_planes; + + rawfmts[i].fmt = pinfo->format; + rawfmts[i].buftype = fmt->buffer_type; + i++; + + if (pinfo->num_planes > MAX_PLANES) + break; + + pinfo = (void *)pinfo + sizeof(*constr) * num_planes + + 2 * sizeof(u32); + entries--; + } + + for_each_codec(core->caps, ARRAY_SIZE(core->caps), codecs, domain, + fill_raw_fmts, rawfmts, i); +} + +static void parse_codecs(struct venus_core *core, void *data) +{ + struct hfi_codec_supported *codecs = data; + + core->dec_codecs = codecs->dec_codecs; + core->enc_codecs = codecs->enc_codecs; + + if (IS_V1(core)) { + core->dec_codecs &= ~HFI_VIDEO_CODEC_HEVC; + core->dec_codecs &= ~HFI_VIDEO_CODEC_SPARK; + } +} + +static void parse_max_sessions(struct venus_core *core, const void *data) +{ + const struct hfi_max_sessions_supported *sessions = data; + + core->max_sessions_supported = sessions->max_sessions; +} + +static void parse_codecs_mask(u32 *codecs, u32 *domain, void *data) +{ + struct hfi_codec_mask_supported *mask = data; + + *codecs = mask->codecs; + *domain = mask->video_domains; +} + +static void parser_init(struct venus_inst *inst, u32 *codecs, u32 *domain) +{ + if (!inst || !IS_V1(inst->core)) + return; + + *codecs = inst->hfi_codec; + *domain = inst->session_type; +} + +static void parser_fini(struct venus_inst *inst, u32 codecs, u32 domain) +{ + struct venus_caps *caps, *cap; + unsigned int i; + u32 dom; + + if (!inst || !IS_V1(inst->core)) + return; + + caps = inst->core->caps; + dom = inst->session_type; + + for (i = 0; i < MAX_CODEC_NUM; i++) { + cap = &caps[i]; + if (cap->codec & codecs && cap->domain == dom) + cap->valid = true; + } +} + +u32 hfi_parser(struct venus_core *core, struct venus_inst *inst, void *buf, + u32 size) +{ + unsigned int words_count = size >> 2; + u32 *word = buf, *data, codecs = 0, domain = 0; + + if (size % 4) + return HFI_ERR_SYS_INSUFFICIENT_RESOURCES; + + parser_init(inst, &codecs, &domain); + + while (words_count) { + data = word + 1; + + switch (*word) { + case HFI_PROPERTY_PARAM_CODEC_SUPPORTED: + parse_codecs(core, data); + init_codecs(core); + break; + case HFI_PROPERTY_PARAM_MAX_SESSIONS_SUPPORTED: + parse_max_sessions(core, data); + break; + case HFI_PROPERTY_PARAM_CODEC_MASK_SUPPORTED: + parse_codecs_mask(&codecs, &domain, data); + break; + case HFI_PROPERTY_PARAM_UNCOMPRESSED_FORMAT_SUPPORTED: + parse_raw_formats(core, codecs, domain, data); + break; + case HFI_PROPERTY_PARAM_CAPABILITY_SUPPORTED: + parse_caps(core, codecs, domain, data); + break; + case HFI_PROPERTY_PARAM_PROFILE_LEVEL_SUPPORTED: + parse_profile_level(core, codecs, domain, data); + break; + case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE_SUPPORTED: + parse_alloc_mode(core, inst, codecs, domain, data); + break; + default: + break; + } + + word++; + words_count--; + } + + parser_fini(inst, codecs, domain); + + return HFI_ERR_NONE; +} |