| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Stanimir Varbanov | 8111 | 89.64% | 47 | 51.65% |
| Dikshita Agarwal | 287 | 3.17% | 11 | 12.09% |
| Alexandre Courbot | 221 | 2.44% | 4 | 4.40% |
| Fritz Koenig | 64 | 0.71% | 2 | 2.20% |
| Aniket Masule | 60 | 0.66% | 3 | 3.30% |
| Mansur Alisha Shaik | 59 | 0.65% | 3 | 3.30% |
| Maxime Jourdan | 58 | 0.64% | 1 | 1.10% |
| Vikash Garodia | 56 | 0.62% | 2 | 2.20% |
| Michał Krawczyk | 45 | 0.50% | 1 | 1.10% |
| Sergey Senozhatsky | 29 | 0.32% | 1 | 1.10% |
| Bryan O'Donoghue | 19 | 0.21% | 2 | 2.20% |
| Konrad Dybcio | 14 | 0.15% | 2 | 2.20% |
| Mauro Carvalho Chehab | 6 | 0.07% | 2 | 2.20% |
| Arnd Bergmann | 4 | 0.04% | 2 | 2.20% |
| Javier Martinez Canillas | 3 | 0.03% | 1 | 1.10% |
| Hans Verkuil | 2 | 0.02% | 2 | 2.20% |
| Gustavo A. R. Silva | 2 | 0.02% | 1 | 1.10% |
| Benjamin Gaignard | 2 | 0.02% | 1 | 1.10% |
| Boris Brezillon | 2 | 0.02% | 1 | 1.10% |
| Uwe Kleine-König | 2 | 0.02% | 1 | 1.10% |
| Thomas Gleixner | 2 | 0.02% | 1 | 1.10% |
| Total | 9048 | 91 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. * Copyright (C) 2017 Linaro Ltd. */ #include <linux/clk.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-mem2mem.h> #include <media/videobuf2-dma-contig.h> #include "hfi_venus_io.h" #include "hfi_parser.h" #include "core.h" #include "helpers.h" #include "vdec.h" #include "pm_helpers.h" /* * Three resons to keep MPLANE formats (despite that the number of planes * currently is one): * - the MPLANE formats allow only one plane to be used * - the downstream driver use MPLANE formats too * - future firmware versions could add support for >1 planes */ static const struct venus_format vdec_formats[] = { [VENUS_FMT_NV12] = { .pixfmt = V4L2_PIX_FMT_NV12, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, }, [VENUS_FMT_QC08C] = { .pixfmt = V4L2_PIX_FMT_QC08C, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, }, [VENUS_FMT_QC10C] = { .pixfmt = V4L2_PIX_FMT_QC10C, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, }, [VENUS_FMT_P010] = { .pixfmt = V4L2_PIX_FMT_P010, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, }, [VENUS_FMT_H264] = { .pixfmt = V4L2_PIX_FMT_H264, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_VP8] = { .pixfmt = V4L2_PIX_FMT_VP8, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_VP9] = { .pixfmt = V4L2_PIX_FMT_VP9, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_HEVC] = { .pixfmt = V4L2_PIX_FMT_HEVC, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_VC1_ANNEX_G] = { .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_VC1_ANNEX_L] = { .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_MPEG4] = { .pixfmt = V4L2_PIX_FMT_MPEG4, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_MPEG2] = { .pixfmt = V4L2_PIX_FMT_MPEG2, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_H263] = { .pixfmt = V4L2_PIX_FMT_H263, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, [VENUS_FMT_XVID] = { .pixfmt = V4L2_PIX_FMT_XVID, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, .flags = V4L2_FMT_FLAG_DYN_RESOLUTION, }, }; static const struct venus_format * find_format(struct venus_inst *inst, u32 pixfmt, u32 type) { const struct venus_format *fmt = vdec_formats; unsigned int size = ARRAY_SIZE(vdec_formats); unsigned int i; for (i = 0; i < size; i++) { if (fmt[i].pixfmt == pixfmt) break; } if (i == size || fmt[i].type != type) return NULL; if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && !venus_helper_check_codec(inst, fmt[i].pixfmt)) return NULL; if (V4L2_TYPE_IS_CAPTURE(type) && !venus_helper_check_format(inst, fmt[i].pixfmt)) return NULL; if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && !(inst->bit_depth == VIDC_BITDEPTH_10)) return NULL; return &fmt[i]; } static const struct venus_format * find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type) { const struct venus_format *fmt = vdec_formats; unsigned int size = ARRAY_SIZE(vdec_formats); unsigned int i, k = 0; if (index > size) return NULL; for (i = 0; i < size; i++) { bool valid; if (fmt[i].type != type) continue; if (V4L2_TYPE_IS_OUTPUT(type)) { valid = venus_helper_check_codec(inst, fmt[i].pixfmt); } else if (V4L2_TYPE_IS_CAPTURE(type)) { valid = venus_helper_check_format(inst, fmt[i].pixfmt); if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C && !(inst->bit_depth == VIDC_BITDEPTH_10)) valid = false; } if (k == index && valid) break; if (valid) k++; } if (i == size) return NULL; return &fmt[i]; } static const struct venus_format * vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f) { struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt; const struct venus_format *fmt; u32 szimage; memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved)); memset(pixmp->reserved, 0, sizeof(pixmp->reserved)); fmt = find_format(inst, pixmp->pixelformat, f->type); if (!fmt) { if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) pixmp->pixelformat = V4L2_PIX_FMT_NV12; else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) pixmp->pixelformat = V4L2_PIX_FMT_H264; else return NULL; fmt = find_format(inst, pixmp->pixelformat, f->type); if (!fmt) return NULL; } pixmp->width = clamp(pixmp->width, frame_width_min(inst), frame_width_max(inst)); pixmp->height = clamp(pixmp->height, frame_height_min(inst), frame_height_max(inst)); if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) pixmp->height = ALIGN(pixmp->height, 32); if (pixmp->field == V4L2_FIELD_ANY) pixmp->field = V4L2_FIELD_NONE; pixmp->num_planes = fmt->num_planes; pixmp->flags = 0; szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width, pixmp->height); if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { unsigned int stride = pixmp->width; if (pixmp->pixelformat == V4L2_PIX_FMT_P010) stride *= 2; pfmt[0].sizeimage = szimage; pfmt[0].bytesperline = ALIGN(stride, 128); } else { pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M); pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage); pfmt[0].bytesperline = 0; } return fmt; } static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f) { struct venus_inst *inst = to_inst(file); vdec_try_fmt_common(inst, f); return 0; } static int vdec_check_src_change(struct venus_inst *inst) { int ret; if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE && inst->codec_state == VENUS_DEC_STATE_INIT && !inst->reconfig) return -EINVAL; if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE) return 0; /* * The code snippet below is a workaround for backward compatibility * with applications which doesn't support V4L2 events. It will be * dropped in future once those applications are fixed. */ if (inst->codec_state != VENUS_DEC_STATE_INIT) goto done; ret = wait_event_timeout(inst->reconf_wait, inst->reconfig, msecs_to_jiffies(100)); if (!ret) return -EINVAL; if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) || !inst->reconfig) dev_dbg(inst->core->dev, VDBGH "wrong state\n"); done: return 0; } static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f) { struct venus_inst *inst = to_inst(file); const struct venus_format *fmt = NULL; struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; int ret; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) fmt = inst->fmt_cap; else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) fmt = inst->fmt_out; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { ret = vdec_check_src_change(inst); if (ret) return ret; } pixmp->pixelformat = fmt->pixfmt; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { pixmp->width = inst->width; pixmp->height = inst->height; pixmp->colorspace = inst->colorspace; pixmp->ycbcr_enc = inst->ycbcr_enc; pixmp->quantization = inst->quantization; pixmp->xfer_func = inst->xfer_func; } else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { pixmp->width = inst->out_width; pixmp->height = inst->out_height; } vdec_try_fmt_common(inst, f); return 0; } static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f) { struct venus_inst *inst = to_inst(file); struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp; struct v4l2_pix_format_mplane orig_pixmp; const struct venus_format *fmt; struct v4l2_format format; u32 pixfmt_out = 0, pixfmt_cap = 0; struct vb2_queue *q; q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type); if (!q) return -EINVAL; if (vb2_is_busy(q)) return -EBUSY; orig_pixmp = *pixmp; fmt = vdec_try_fmt_common(inst, f); if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { pixfmt_out = pixmp->pixelformat; pixfmt_cap = inst->fmt_cap->pixfmt; } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { pixfmt_cap = pixmp->pixelformat; pixfmt_out = inst->fmt_out->pixfmt; } memset(&format, 0, sizeof(format)); format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; format.fmt.pix_mp.pixelformat = pixfmt_out; format.fmt.pix_mp.width = orig_pixmp.width; format.fmt.pix_mp.height = orig_pixmp.height; vdec_try_fmt_common(inst, &format); if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { inst->out_width = format.fmt.pix_mp.width; inst->out_height = format.fmt.pix_mp.height; inst->colorspace = pixmp->colorspace; inst->ycbcr_enc = pixmp->ycbcr_enc; inst->quantization = pixmp->quantization; inst->xfer_func = pixmp->xfer_func; inst->input_buf_size = pixmp->plane_fmt[0].sizeimage; } memset(&format, 0, sizeof(format)); format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; format.fmt.pix_mp.pixelformat = pixfmt_cap; format.fmt.pix_mp.width = orig_pixmp.width; format.fmt.pix_mp.height = orig_pixmp.height; vdec_try_fmt_common(inst, &format); inst->width = format.fmt.pix_mp.width; inst->height = format.fmt.pix_mp.height; inst->crop.top = 0; inst->crop.left = 0; inst->crop.width = inst->width; inst->crop.height = inst->height; if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) inst->fmt_out = fmt; else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { inst->fmt_cap = fmt; inst->output2_buf_size = venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height); } return 0; } static int vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s) { struct venus_inst *inst = to_inst(file); if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; s->r.top = 0; s->r.left = 0; switch (s->target) { case V4L2_SEL_TGT_CROP_BOUNDS: case V4L2_SEL_TGT_CROP_DEFAULT: case V4L2_SEL_TGT_CROP: if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; s->r.width = inst->out_width; s->r.height = inst->out_height; break; case V4L2_SEL_TGT_COMPOSE_BOUNDS: case V4L2_SEL_TGT_COMPOSE_PADDED: if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; s->r.width = inst->width; s->r.height = inst->height; break; case V4L2_SEL_TGT_COMPOSE_DEFAULT: case V4L2_SEL_TGT_COMPOSE: if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; s->r = inst->crop; break; default: return -EINVAL; } return 0; } static int vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { strscpy(cap->driver, "qcom-venus", sizeof(cap->driver)); strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info)); return 0; } static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f) { struct venus_inst *inst = to_inst(file); const struct venus_format *fmt; memset(f->reserved, 0, sizeof(f->reserved)); fmt = find_format_by_index(inst, f->index, f->type); if (!fmt) return -EINVAL; f->pixelformat = fmt->pixfmt; f->flags = fmt->flags; return 0; } static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) { struct venus_inst *inst = to_inst(file); struct v4l2_captureparm *cap = &a->parm.capture; struct v4l2_fract *timeperframe = &cap->timeperframe; u64 us_per_frame, fps; if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) return -EINVAL; memset(cap->reserved, 0, sizeof(cap->reserved)); if (!timeperframe->denominator) timeperframe->denominator = inst->timeperframe.denominator; if (!timeperframe->numerator) timeperframe->numerator = inst->timeperframe.numerator; cap->readbuffers = 0; cap->extendedmode = 0; cap->capability = V4L2_CAP_TIMEPERFRAME; us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC; do_div(us_per_frame, timeperframe->denominator); if (!us_per_frame) return -EINVAL; fps = (u64)USEC_PER_SEC; do_div(fps, us_per_frame); inst->fps = fps; inst->timeperframe = *timeperframe; return 0; } static int vdec_enum_framesizes(struct file *file, void *fh, struct v4l2_frmsizeenum *fsize) { struct venus_inst *inst = to_inst(file); const struct venus_format *fmt; fmt = find_format(inst, fsize->pixel_format, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); if (!fmt) { fmt = find_format(inst, fsize->pixel_format, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); if (!fmt) return -EINVAL; } if (fsize->index) return -EINVAL; fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; fsize->stepwise.min_width = frame_width_min(inst); fsize->stepwise.max_width = frame_width_max(inst); fsize->stepwise.step_width = frame_width_step(inst); fsize->stepwise.min_height = frame_height_min(inst); fsize->stepwise.max_height = frame_height_max(inst); fsize->stepwise.step_height = frame_height_step(inst); return 0; } static int vdec_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { struct venus_inst *inst = container_of(fh, struct venus_inst, fh); int ret; switch (sub->type) { case V4L2_EVENT_EOS: return v4l2_event_subscribe(fh, sub, 2, NULL); case V4L2_EVENT_SOURCE_CHANGE: ret = v4l2_src_change_event_subscribe(fh, sub); if (ret) return ret; inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE; return 0; case V4L2_EVENT_CTRL: return v4l2_ctrl_subscribe_event(fh, sub); default: return -EINVAL; } } static int vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) { struct venus_inst *inst = to_inst(file); struct vb2_queue *dst_vq; struct hfi_frame_data fdata = {0}; int ret; ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd); if (ret) return ret; mutex_lock(&inst->lock); if (cmd->cmd == V4L2_DEC_CMD_STOP) { /* * Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on * decoder input to signal EOS. */ if (!(inst->streamon_out && inst->streamon_cap)) goto unlock; fdata.buffer_type = HFI_BUFFER_INPUT; fdata.flags |= HFI_BUFFERFLAG_EOS; if (IS_V6(inst->core) && is_fw_rev_or_older(inst->core, 1, 0, 87)) fdata.device_addr = 0; else fdata.device_addr = 0xdeadb000; ret = hfi_session_process_buf(inst, &fdata); if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) { inst->codec_state = VENUS_DEC_STATE_DRAIN; inst->drain_active = true; } } else if (cmd->cmd == V4L2_DEC_CMD_START && inst->codec_state == VENUS_DEC_STATE_STOPPED) { dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); vb2_clear_last_buffer_dequeued(dst_vq); inst->codec_state = VENUS_DEC_STATE_DECODING; } unlock: mutex_unlock(&inst->lock); return ret; } static const struct v4l2_ioctl_ops vdec_ioctl_ops = { .vidioc_querycap = vdec_querycap, .vidioc_enum_fmt_vid_cap = vdec_enum_fmt, .vidioc_enum_fmt_vid_out = vdec_enum_fmt, .vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt, .vidioc_s_fmt_vid_out_mplane = vdec_s_fmt, .vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt, .vidioc_g_fmt_vid_out_mplane = vdec_g_fmt, .vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt, .vidioc_try_fmt_vid_out_mplane = vdec_try_fmt, .vidioc_g_selection = vdec_g_selection, .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, .vidioc_streamon = v4l2_m2m_ioctl_streamon, .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_s_parm = vdec_s_parm, .vidioc_enum_framesizes = vdec_enum_framesizes, .vidioc_subscribe_event = vdec_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, .vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd, .vidioc_decoder_cmd = vdec_decoder_cmd, }; static int vdec_pm_get(struct venus_inst *inst) { struct venus_core *core = inst->core; struct device *dev = core->dev_dec; int ret; mutex_lock(&core->pm_lock); ret = pm_runtime_resume_and_get(dev); mutex_unlock(&core->pm_lock); return ret; } static int vdec_pm_put(struct venus_inst *inst, bool autosuspend) { struct venus_core *core = inst->core; struct device *dev = core->dev_dec; int ret; mutex_lock(&core->pm_lock); if (autosuspend) ret = pm_runtime_put_autosuspend(dev); else ret = pm_runtime_put_sync(dev); mutex_unlock(&core->pm_lock); return ret < 0 ? ret : 0; } static int vdec_pm_get_put(struct venus_inst *inst) { struct venus_core *core = inst->core; struct device *dev = core->dev_dec; int ret = 0; mutex_lock(&core->pm_lock); if (pm_runtime_suspended(dev)) { ret = pm_runtime_resume_and_get(dev); if (ret < 0) goto error; ret = pm_runtime_put_autosuspend(dev); } error: mutex_unlock(&core->pm_lock); return ret < 0 ? ret : 0; } static void vdec_pm_touch(struct venus_inst *inst) { pm_runtime_mark_last_busy(inst->core->dev_dec); } static int vdec_set_properties(struct venus_inst *inst) { struct vdec_controls *ctr = &inst->controls.dec; struct hfi_enable en = { .enable = 1 }; u32 ptype, decode_order, conceal; int ret; if (ctr->post_loop_deb_mode) { ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; ret = hfi_session_set_property(inst, ptype, &en); if (ret) return ret; } if (ctr->display_delay_enable && ctr->display_delay == 0) { ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER; decode_order = HFI_OUTPUT_ORDER_DECODE; ret = hfi_session_set_property(inst, ptype, &decode_order); if (ret) return ret; } /* Enabling sufficient sequence change support for VP9 */ if (is_fw_rev_or_newer(inst->core, 5, 4, 51)) { ptype = HFI_PROPERTY_PARAM_VDEC_ENABLE_SUFFICIENT_SEQCHANGE_EVENT; ret = hfi_session_set_property(inst, ptype, &en); if (ret) return ret; } ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR; conceal = ctr->conceal_color & 0xffff; conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10; conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20; ret = hfi_session_set_property(inst, ptype, &conceal); if (ret) return ret; return 0; } static int vdec_set_work_route(struct venus_inst *inst) { u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE; struct hfi_video_work_route wr; if (!(IS_IRIS2(inst->core) || IS_IRIS2_1(inst->core))) return 0; wr.video_work_route = inst->core->res->num_vpp_pipes; return hfi_session_set_property(inst, ptype, &wr); } #define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE)) #define is_10bit_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_10_BIT_BASE & \ HFI_COLOR_FORMAT_UBWC_BASE)) static int vdec_output_conf(struct venus_inst *inst) { struct venus_core *core = inst->core; struct hfi_enable en = { .enable = 1 }; struct hfi_buffer_requirements bufreq; u32 width = inst->width; u32 height = inst->height; u32 out_fmt, out2_fmt; bool ubwc = false; u32 ptype; int ret; ret = venus_helper_set_work_mode(inst); if (ret) return ret; if (core->res->hfi_version == HFI_VERSION_1XX) { ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER; ret = hfi_session_set_property(inst, ptype, &en); if (ret) return ret; } /* Force searching UBWC formats for bigger then HD resolutions */ if (width > 1920 && height > ALIGN(1080, 32)) ubwc = true; /* For Venus v4/v6 UBWC format is mandatory */ if (IS_V4(core) || IS_V6(core)) ubwc = true; ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt, &out2_fmt, ubwc); if (ret) return ret; inst->output_buf_size = venus_helper_get_framesz_raw(out_fmt, width, height); inst->output2_buf_size = venus_helper_get_framesz_raw(out2_fmt, width, height); if (is_ubwc_fmt(out_fmt)) { inst->opb_buftype = HFI_BUFFER_OUTPUT2; inst->opb_fmt = out2_fmt; inst->dpb_buftype = HFI_BUFFER_OUTPUT; inst->dpb_fmt = out_fmt; } else if (is_ubwc_fmt(out2_fmt) || is_10bit_ubwc_fmt(out_fmt)) { inst->opb_buftype = HFI_BUFFER_OUTPUT; inst->opb_fmt = out_fmt; inst->dpb_buftype = HFI_BUFFER_OUTPUT2; inst->dpb_fmt = out2_fmt; } else { inst->opb_buftype = HFI_BUFFER_OUTPUT; inst->opb_fmt = out_fmt; inst->dpb_buftype = 0; inst->dpb_fmt = 0; } ret = venus_helper_set_raw_format(inst, inst->opb_fmt, inst->opb_buftype); if (ret) return ret; ret = venus_helper_set_format_constraints(inst); if (ret) return ret; if (inst->dpb_fmt) { ret = venus_helper_set_multistream(inst, false, true); if (ret) return ret; ret = venus_helper_set_raw_format(inst, inst->dpb_fmt, inst->dpb_buftype); if (ret) return ret; ret = venus_helper_set_output_resolution(inst, width, height, HFI_BUFFER_OUTPUT2); if (ret) return ret; } if (IS_V3(core) || IS_V4(core) || IS_V6(core)) { ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); if (ret) return ret; if (bufreq.size > inst->output_buf_size) return -EINVAL; if (inst->dpb_fmt) { ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2, &bufreq); if (ret) return ret; if (bufreq.size > inst->output2_buf_size) return -EINVAL; } if (inst->output2_buf_size) { ret = venus_helper_set_bufsize(inst, inst->output2_buf_size, HFI_BUFFER_OUTPUT2); if (ret) return ret; } if (inst->output_buf_size) { ret = venus_helper_set_bufsize(inst, inst->output_buf_size, HFI_BUFFER_OUTPUT); if (ret) return ret; } } ret = venus_helper_set_dyn_bufmode(inst); if (ret) return ret; return 0; } static int vdec_session_init(struct venus_inst *inst) { int ret; ret = venus_helper_session_init(inst); if (ret == -EALREADY) return 0; else if (ret) return ret; ret = venus_helper_set_input_resolution(inst, frame_width_min(inst), frame_height_min(inst)); if (ret) goto deinit; return 0; deinit: hfi_session_deinit(inst); return ret; } static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num, unsigned int *out_num) { enum hfi_version ver = inst->core->res->hfi_version; struct hfi_buffer_requirements bufreq; int ret; *in_num = *out_num = 0; ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); if (ret) return ret; *in_num = hfi_bufreq_get_count_min(&bufreq, ver); ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); if (ret) return ret; *out_num = hfi_bufreq_get_count_min(&bufreq, ver); return 0; } static int vdec_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { struct venus_inst *inst = vb2_get_drv_priv(q); struct venus_core *core = inst->core; unsigned int in_num, out_num; int ret = 0; if (*num_planes) { unsigned int output_buf_size = venus_helper_get_opb_size(inst); if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && *num_planes != inst->fmt_out->num_planes) return -EINVAL; if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && *num_planes != inst->fmt_cap->num_planes) return -EINVAL; if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && sizes[0] < inst->input_buf_size) return -EINVAL; if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && sizes[0] < output_buf_size) return -EINVAL; return 0; } if (test_bit(0, &core->sys_error)) { if (inst->nonblock) return -EAGAIN; ret = wait_event_interruptible(core->sys_err_done, !test_bit(0, &core->sys_error)); if (ret) return ret; } ret = vdec_pm_get(inst); if (ret) return ret; ret = vdec_session_init(inst); if (ret) goto put_power; ret = vdec_num_buffers(inst, &in_num, &out_num); if (ret) goto put_power; ret = vdec_pm_put(inst, false); if (ret) return ret; switch (q->type) { case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: *num_planes = inst->fmt_out->num_planes; sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt, inst->out_width, inst->out_height); sizes[0] = max(sizes[0], inst->input_buf_size); inst->input_buf_size = sizes[0]; *num_buffers = max(*num_buffers, in_num); inst->num_input_bufs = *num_buffers; inst->num_output_bufs = out_num; break; case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: *num_planes = inst->fmt_cap->num_planes; sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt, inst->width, inst->height); inst->output_buf_size = sizes[0]; *num_buffers = max(*num_buffers, out_num); inst->num_output_bufs = *num_buffers; mutex_lock(&inst->lock); if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) inst->codec_state = VENUS_DEC_STATE_STOPPED; mutex_unlock(&inst->lock); break; default: ret = -EINVAL; break; } return ret; put_power: vdec_pm_put(inst, false); return ret; } static int vdec_verify_conf(struct venus_inst *inst) { enum hfi_version ver = inst->core->res->hfi_version; struct hfi_buffer_requirements bufreq; int ret; if (!inst->num_input_bufs || !inst->num_output_bufs) return -EINVAL; ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); if (ret) return ret; if (inst->num_output_bufs < bufreq.count_actual || inst->num_output_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) return -EINVAL; ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); if (ret) return ret; if (inst->num_input_bufs < hfi_bufreq_get_count_min(&bufreq, ver)) return -EINVAL; return 0; } static int vdec_start_capture(struct venus_inst *inst) { int ret; if (!inst->streamon_out) return 0; if (inst->codec_state == VENUS_DEC_STATE_DECODING) { if (inst->reconfig) goto reconfigure; venus_helper_queue_dpb_bufs(inst); venus_helper_process_initial_cap_bufs(inst); inst->streamon_cap = 1; return 0; } if (inst->codec_state != VENUS_DEC_STATE_STOPPED) return 0; reconfigure: ret = vdec_output_conf(inst); if (ret) return ret; ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, VB2_MAX_FRAME, VB2_MAX_FRAME); if (ret) return ret; ret = venus_helper_intbufs_realloc(inst); if (ret) goto err; venus_pm_load_scale(inst); inst->next_buf_last = false; ret = venus_helper_alloc_dpb_bufs(inst); if (ret) goto err; ret = hfi_session_continue(inst); if (ret) goto free_dpb_bufs; ret = venus_helper_queue_dpb_bufs(inst); if (ret) goto free_dpb_bufs; ret = venus_helper_process_initial_cap_bufs(inst); if (ret) goto free_dpb_bufs; inst->codec_state = VENUS_DEC_STATE_DECODING; if (inst->drain_active) inst->codec_state = VENUS_DEC_STATE_DRAIN; inst->streamon_cap = 1; inst->sequence_cap = 0; inst->reconfig = false; inst->drain_active = false; return 0; free_dpb_bufs: venus_helper_free_dpb_bufs(inst); err: return ret; } static int vdec_start_output(struct venus_inst *inst) { int ret; if (inst->codec_state == VENUS_DEC_STATE_SEEK) { ret = venus_helper_process_initial_out_bufs(inst); if (inst->next_buf_last) inst->codec_state = VENUS_DEC_STATE_DRC; else inst->codec_state = VENUS_DEC_STATE_DECODING; goto done; } if (inst->codec_state == VENUS_DEC_STATE_INIT || inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) { ret = venus_helper_process_initial_out_bufs(inst); goto done; } if (inst->codec_state != VENUS_DEC_STATE_DEINIT) return -EINVAL; venus_helper_init_instance(inst); inst->sequence_out = 0; inst->reconfig = false; inst->next_buf_last = false; ret = vdec_set_properties(inst); if (ret) return ret; ret = vdec_set_work_route(inst); if (ret) return ret; ret = vdec_output_conf(inst); if (ret) return ret; ret = vdec_verify_conf(inst); if (ret) return ret; ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, VB2_MAX_FRAME, VB2_MAX_FRAME); if (ret) return ret; ret = venus_helper_vb2_start_streaming(inst); if (ret) return ret; ret = venus_helper_process_initial_out_bufs(inst); if (ret) return ret; inst->codec_state = VENUS_DEC_STATE_INIT; done: inst->streamon_out = 1; return ret; } static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) { struct venus_inst *inst = vb2_get_drv_priv(q); int ret; mutex_lock(&inst->lock); if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { ret = vdec_start_capture(inst); } else { ret = vdec_pm_get(inst); if (ret) goto error; ret = venus_pm_acquire_core(inst); if (ret) goto put_power; ret = vdec_pm_put(inst, true); if (ret) goto error; ret = vdec_start_output(inst); } if (ret) goto error; mutex_unlock(&inst->lock); return 0; put_power: vdec_pm_put(inst, false); error: venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED); mutex_unlock(&inst->lock); return ret; } static void vdec_cancel_dst_buffers(struct venus_inst *inst) { struct vb2_v4l2_buffer *buf; while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx))) v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR); } static int vdec_stop_capture(struct venus_inst *inst) { int ret = 0; switch (inst->codec_state) { case VENUS_DEC_STATE_DECODING: ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); fallthrough; case VENUS_DEC_STATE_DRAIN: inst->codec_state = VENUS_DEC_STATE_STOPPED; inst->drain_active = false; fallthrough; case VENUS_DEC_STATE_SEEK: vdec_cancel_dst_buffers(inst); break; case VENUS_DEC_STATE_DRC: ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true); inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; venus_helper_free_dpb_bufs(inst); break; default: break; } return ret; } static int vdec_stop_output(struct venus_inst *inst) { int ret = 0; switch (inst->codec_state) { case VENUS_DEC_STATE_DECODING: case VENUS_DEC_STATE_DRAIN: case VENUS_DEC_STATE_STOPPED: case VENUS_DEC_STATE_DRC: ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); inst->codec_state = VENUS_DEC_STATE_SEEK; break; case VENUS_DEC_STATE_INIT: case VENUS_DEC_STATE_CAPTURE_SETUP: ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true); break; default: break; } return ret; } static void vdec_stop_streaming(struct vb2_queue *q) { struct venus_inst *inst = vb2_get_drv_priv(q); int ret = -EINVAL; vdec_pm_get_put(inst); mutex_lock(&inst->lock); if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) ret = vdec_stop_capture(inst); else ret = vdec_stop_output(inst); venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR); inst->session_error = 0; if (ret) goto unlock; if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) inst->streamon_out = 0; else inst->streamon_cap = 0; unlock: mutex_unlock(&inst->lock); } static void vdec_session_release(struct venus_inst *inst) { struct venus_core *core = inst->core; int ret, abort = 0; vdec_pm_get(inst); mutex_lock(&inst->lock); inst->codec_state = VENUS_DEC_STATE_DEINIT; ret = hfi_session_stop(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; ret = hfi_session_unload_res(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; ret = venus_helper_unregister_bufs(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; ret = venus_helper_intbufs_free(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; ret = hfi_session_deinit(inst); abort = (ret && ret != -EINVAL) ? 1 : 0; if (inst->session_error || test_bit(0, &core->sys_error)) abort = 1; if (abort) hfi_session_abort(inst); venus_helper_free_dpb_bufs(inst); venus_pm_load_scale(inst); INIT_LIST_HEAD(&inst->registeredbufs); mutex_unlock(&inst->lock); venus_pm_release_core(inst); vdec_pm_put(inst, false); } static int vdec_buf_init(struct vb2_buffer *vb) { struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); inst->buf_count++; return venus_helper_vb2_buf_init(vb); } static void vdec_buf_cleanup(struct vb2_buffer *vb) { struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct venus_buffer *buf = to_venus_buffer(vbuf); mutex_lock(&inst->lock); if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) if (!list_empty(&inst->registeredbufs)) list_del_init(&buf->reg_list); mutex_unlock(&inst->lock); inst->buf_count--; if (!inst->buf_count) vdec_session_release(inst); } static void vdec_vb2_buf_queue(struct vb2_buffer *vb) { struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue); struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS }; vdec_pm_get_put(inst); mutex_lock(&inst->lock); if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) && inst->codec_state == VENUS_DEC_STATE_DRC) { vbuf->flags |= V4L2_BUF_FLAG_LAST; vbuf->sequence = inst->sequence_cap++; vbuf->field = V4L2_FIELD_NONE; vb2_set_plane_payload(vb, 0, 0); v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE); v4l2_event_queue_fh(&inst->fh, &eos); inst->next_buf_last = false; mutex_unlock(&inst->lock); return; } venus_helper_vb2_buf_queue(vb); mutex_unlock(&inst->lock); } static const struct vb2_ops vdec_vb2_ops = { .queue_setup = vdec_queue_setup, .buf_init = vdec_buf_init, .buf_cleanup = vdec_buf_cleanup, .buf_prepare = venus_helper_vb2_buf_prepare, .start_streaming = vdec_start_streaming, .stop_streaming = vdec_stop_streaming, .buf_queue = vdec_vb2_buf_queue, }; static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type, u32 tag, u32 bytesused, u32 data_offset, u32 flags, u32 hfi_flags, u64 timestamp_us) { enum vb2_buffer_state state = VB2_BUF_STATE_DONE; struct vb2_v4l2_buffer *vbuf; struct vb2_buffer *vb; unsigned int type; vdec_pm_touch(inst); if (buf_type == HFI_BUFFER_INPUT) type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; else type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; vbuf = venus_helper_find_buf(inst, type, tag); if (!vbuf) { venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag); return; } vbuf->flags = flags; vbuf->field = V4L2_FIELD_NONE; vb = &vbuf->vb2_buf; if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { vb2_set_plane_payload(vb, 0, bytesused); vb->planes[0].data_offset = data_offset; vb->timestamp = timestamp_us * NSEC_PER_USEC; vbuf->sequence = inst->sequence_cap++; if (vbuf->flags & V4L2_BUF_FLAG_LAST) { const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; v4l2_event_queue_fh(&inst->fh, &ev); if (inst->codec_state == VENUS_DEC_STATE_DRAIN) { inst->drain_active = false; inst->codec_state = VENUS_DEC_STATE_STOPPED; } } if (!bytesused) state = VB2_BUF_STATE_ERROR; } else { vbuf->sequence = inst->sequence_out++; } venus_helper_get_ts_metadata(inst, timestamp_us, vbuf); if (hfi_flags & HFI_BUFFERFLAG_READONLY) venus_helper_acquire_buf_ref(vbuf); if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) state = VB2_BUF_STATE_ERROR; if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) { state = VB2_BUF_STATE_ERROR; vb2_set_plane_payload(vb, 0, 0); vb->timestamp = 0; } v4l2_m2m_buf_done(vbuf, state); } static void vdec_event_change(struct venus_inst *inst, struct hfi_event_data *ev_data, bool sufficient) { static const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; struct device *dev = inst->core->dev_dec; struct v4l2_format format = {}; mutex_lock(&inst->lock); format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; format.fmt.pix_mp.width = ev_data->width; format.fmt.pix_mp.height = ev_data->height; vdec_try_fmt_common(inst, &format); inst->width = format.fmt.pix_mp.width; inst->height = format.fmt.pix_mp.height; /* * Some versions of the firmware do not report crop information for * all codecs. For these cases, set the crop to the coded resolution. */ if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) { inst->crop.left = ev_data->input_crop.left; inst->crop.top = ev_data->input_crop.top; inst->crop.width = ev_data->input_crop.width; inst->crop.height = ev_data->input_crop.height; } else { inst->crop.left = 0; inst->crop.top = 0; inst->crop.width = ev_data->width; inst->crop.height = ev_data->height; } inst->fw_min_cnt = ev_data->buf_count; /* overwriting this to 11 for vp9 due to fw bug */ if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9) inst->fw_min_cnt = 11; inst->out_width = ev_data->width; inst->out_height = ev_data->height; if (inst->bit_depth != ev_data->bit_depth) { inst->bit_depth = ev_data->bit_depth; if (inst->bit_depth == VIDC_BITDEPTH_10) inst->fmt_cap = &vdec_formats[VENUS_FMT_P010]; else inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; } if (inst->pic_struct != ev_data->pic_struct) inst->pic_struct = ev_data->pic_struct; dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n", sufficient ? "" : "not", ev_data->width, ev_data->height); switch (inst->codec_state) { case VENUS_DEC_STATE_INIT: inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP; break; case VENUS_DEC_STATE_DECODING: case VENUS_DEC_STATE_DRAIN: inst->codec_state = VENUS_DEC_STATE_DRC; break; default: break; } /* * The assumption is that the firmware have to return the last buffer * before this event is received in the v4l2 driver. Also the firmware * itself doesn't mark the last decoder output buffer with HFI EOS flag. */ if (inst->codec_state == VENUS_DEC_STATE_DRC) { int ret; inst->next_buf_last = true; ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false); if (ret) dev_dbg(dev, VDBGH "flush output error %d\n", ret); } inst->next_buf_last = true; inst->reconfig = true; v4l2_event_queue_fh(&inst->fh, &ev); wake_up(&inst->reconf_wait); mutex_unlock(&inst->lock); } static void vdec_event_notify(struct venus_inst *inst, u32 event, struct hfi_event_data *data) { struct venus_core *core = inst->core; struct device *dev = core->dev_dec; vdec_pm_touch(inst); switch (event) { case EVT_SESSION_ERROR: inst->session_error = true; venus_helper_vb2_queue_error(inst); dev_err(dev, "dec: event session error %x\n", inst->error); break; case EVT_SYS_EVENT_CHANGE: switch (data->event_type) { case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES: vdec_event_change(inst, data, true); break; case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: vdec_event_change(inst, data, false); break; case HFI_EVENT_RELEASE_BUFFER_REFERENCE: venus_helper_release_buf_ref(inst, data->tag); break; default: break; } break; default: break; } } static void vdec_flush_done(struct venus_inst *inst) { dev_dbg(inst->core->dev_dec, VDBGH "flush done\n"); } static const struct hfi_inst_ops vdec_hfi_ops = { .buf_done = vdec_buf_done, .event_notify = vdec_event_notify, .flush_done = vdec_flush_done, }; static void vdec_inst_init(struct venus_inst *inst) { inst->hfi_codec = HFI_VIDEO_CODEC_H264; inst->fmt_out = &vdec_formats[VENUS_FMT_H264]; inst->fmt_cap = &vdec_formats[VENUS_FMT_NV12]; inst->width = frame_width_min(inst); inst->height = ALIGN(frame_height_min(inst), 32); inst->crop.left = 0; inst->crop.top = 0; inst->crop.width = inst->width; inst->crop.height = inst->height; inst->fw_min_cnt = 8; inst->out_width = frame_width_min(inst); inst->out_height = frame_height_min(inst); inst->fps = 30; inst->timeperframe.numerator = 1; inst->timeperframe.denominator = 30; inst->opb_buftype = HFI_BUFFER_OUTPUT; } static void vdec_m2m_device_run(void *priv) { } static const struct v4l2_m2m_ops vdec_m2m_ops = { .device_run = vdec_m2m_device_run, .job_abort = venus_helper_m2m_job_abort, }; static int m2m_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) { struct venus_inst *inst = priv; int ret; src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; src_vq->io_modes = VB2_MMAP | VB2_DMABUF; src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; src_vq->ops = &vdec_vb2_ops; src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->drv_priv = inst; src_vq->buf_struct_size = sizeof(struct venus_buffer); src_vq->allow_zero_bytesused = 1; src_vq->min_queued_buffers = 0; src_vq->dev = inst->core->dev; src_vq->lock = &inst->ctx_q_lock; ret = vb2_queue_init(src_vq); if (ret) return ret; dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->ops = &vdec_vb2_ops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->drv_priv = inst; dst_vq->buf_struct_size = sizeof(struct venus_buffer); dst_vq->allow_zero_bytesused = 1; dst_vq->min_queued_buffers = 0; dst_vq->dev = inst->core->dev; dst_vq->lock = &inst->ctx_q_lock; return vb2_queue_init(dst_vq); } static int vdec_open(struct file *file) { struct venus_core *core = video_drvdata(file); struct venus_inst *inst; int ret; inst = kzalloc(sizeof(*inst), GFP_KERNEL); if (!inst) return -ENOMEM; INIT_LIST_HEAD(&inst->dpbbufs); INIT_LIST_HEAD(&inst->registeredbufs); INIT_LIST_HEAD(&inst->internalbufs); INIT_LIST_HEAD(&inst->list); mutex_init(&inst->lock); mutex_init(&inst->ctx_q_lock); inst->core = core; inst->session_type = VIDC_SESSION_TYPE_DEC; inst->num_output_bufs = 1; inst->codec_state = VENUS_DEC_STATE_DEINIT; inst->buf_count = 0; inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT; inst->core_acquired = false; inst->bit_depth = VIDC_BITDEPTH_8; inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE; init_waitqueue_head(&inst->reconf_wait); inst->nonblock = file->f_flags & O_NONBLOCK; venus_helper_init_instance(inst); ret = vdec_ctrl_init(inst); if (ret) goto err_free; ret = hfi_session_create(inst, &vdec_hfi_ops); if (ret) goto err_ctrl_deinit; vdec_inst_init(inst); ida_init(&inst->dpb_ids); /* * create m2m device for every instance, the m2m context scheduling * is made by firmware side so we do not need to care about. */ inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops); if (IS_ERR(inst->m2m_dev)) { ret = PTR_ERR(inst->m2m_dev); goto err_session_destroy; } inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init); if (IS_ERR(inst->m2m_ctx)) { ret = PTR_ERR(inst->m2m_ctx); goto err_m2m_release; } v4l2_fh_init(&inst->fh, core->vdev_dec); inst->fh.ctrl_handler = &inst->ctrl_handler; v4l2_fh_add(&inst->fh); inst->fh.m2m_ctx = inst->m2m_ctx; file->private_data = &inst->fh; return 0; err_m2m_release: v4l2_m2m_release(inst->m2m_dev); err_session_destroy: hfi_session_destroy(inst); err_ctrl_deinit: vdec_ctrl_deinit(inst); err_free: kfree(inst); return ret; } static int vdec_close(struct file *file) { struct venus_inst *inst = to_inst(file); vdec_pm_get(inst); cancel_work_sync(&inst->delayed_process_work); v4l2_m2m_ctx_release(inst->m2m_ctx); v4l2_m2m_release(inst->m2m_dev); vdec_ctrl_deinit(inst); ida_destroy(&inst->dpb_ids); hfi_session_destroy(inst); mutex_destroy(&inst->lock); mutex_destroy(&inst->ctx_q_lock); v4l2_fh_del(&inst->fh); v4l2_fh_exit(&inst->fh); vdec_pm_put(inst, false); kfree(inst); return 0; } static const struct v4l2_file_operations vdec_fops = { .owner = THIS_MODULE, .open = vdec_open, .release = vdec_close, .unlocked_ioctl = video_ioctl2, .poll = v4l2_m2m_fop_poll, .mmap = v4l2_m2m_fop_mmap, }; static int vdec_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct video_device *vdev; struct venus_core *core; int ret; if (!dev->parent) return -EPROBE_DEFER; core = dev_get_drvdata(dev->parent); if (!core) return -EPROBE_DEFER; platform_set_drvdata(pdev, core); if (core->pm_ops->vdec_get) { ret = core->pm_ops->vdec_get(dev); if (ret) return ret; } vdev = video_device_alloc(); if (!vdev) return -ENOMEM; strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name)); vdev->release = video_device_release; vdev->fops = &vdec_fops; vdev->ioctl_ops = &vdec_ioctl_ops; vdev->vfl_dir = VFL_DIR_M2M; vdev->v4l2_dev = &core->v4l2_dev; vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1); if (ret) goto err_vdev_release; core->vdev_dec = vdev; core->dev_dec = dev; video_set_drvdata(vdev, core); pm_runtime_set_autosuspend_delay(dev, 2000); pm_runtime_use_autosuspend(dev); pm_runtime_enable(dev); return 0; err_vdev_release: video_device_release(vdev); return ret; } static void vdec_remove(struct platform_device *pdev) { struct venus_core *core = dev_get_drvdata(pdev->dev.parent); video_unregister_device(core->vdev_dec); pm_runtime_disable(core->dev_dec); if (core->pm_ops->vdec_put) core->pm_ops->vdec_put(core->dev_dec); } static __maybe_unused int vdec_runtime_suspend(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); const struct venus_pm_ops *pm_ops = core->pm_ops; int ret = 0; if (pm_ops->vdec_power) ret = pm_ops->vdec_power(dev, POWER_OFF); return ret; } static __maybe_unused int vdec_runtime_resume(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); const struct venus_pm_ops *pm_ops = core->pm_ops; int ret = 0; if (pm_ops->vdec_power) ret = pm_ops->vdec_power(dev, POWER_ON); return ret; } static const struct dev_pm_ops vdec_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL) }; static const struct of_device_id vdec_dt_match[] = { { .compatible = "venus-decoder" }, { } }; MODULE_DEVICE_TABLE(of, vdec_dt_match); static struct platform_driver qcom_venus_dec_driver = { .probe = vdec_probe, .remove_new = vdec_remove, .driver = { .name = "qcom-venus-decoder", .of_match_table = vdec_dt_match, .pm = &vdec_pm_ops, }, }; module_platform_driver(qcom_venus_dec_driver); MODULE_ALIAS("platform:qcom-venus-decoder"); MODULE_DESCRIPTION("Qualcomm Venus video decoder driver"); MODULE_LICENSE("GPL v2");
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