/* * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved. * Copyright (C) 2017 Linaro Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include #include #include #include #include #include #include #include #include #include #include "hfi_venus_io.h" #include "core.h" #include "helpers.h" #include "vdec.h" static u32 get_framesize_uncompressed(unsigned int plane, u32 width, u32 height) { u32 y_stride, uv_stride, y_plane; u32 y_sclines, uv_sclines, uv_plane; u32 size; y_stride = ALIGN(width, 128); uv_stride = ALIGN(width, 128); y_sclines = ALIGN(height, 32); uv_sclines = ALIGN(((height + 1) >> 1), 16); y_plane = y_stride * y_sclines; uv_plane = uv_stride * uv_sclines + SZ_4K; size = y_plane + uv_plane + SZ_8K; return ALIGN(size, SZ_4K); } static u32 get_framesize_compressed(unsigned int width, unsigned int height) { return ((width * height * 3 / 2) / 2) + 128; } /* * 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[] = { { .pixfmt = V4L2_PIX_FMT_NV12, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_MPEG4, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_MPEG2, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_H263, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_H264, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_VP8, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_VP9, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, { .pixfmt = V4L2_PIX_FMT_XVID, .num_planes = 1, .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, }, }; 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; 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++) { if (fmt[i].type != type) continue; if (k == index) break; k++; } if (i == size) return NULL; if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && !venus_helper_check_codec(inst, fmt[i].pixfmt)) 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; unsigned int p; 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); pixmp->width = 1280; pixmp->height = 720; } pixmp->width = clamp(pixmp->width, inst->cap_width.min, inst->cap_width.max); pixmp->height = clamp(pixmp->height, inst->cap_height.min, inst->cap_height.max); 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; if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { for (p = 0; p < pixmp->num_planes; p++) { pfmt[p].sizeimage = get_framesize_uncompressed(p, pixmp->width, pixmp->height); pfmt[p].bytesperline = ALIGN(pixmp->width, 128); } } else { pfmt[0].sizeimage = get_framesize_compressed(pixmp->width, pixmp->height); 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_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; 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 (inst->reconfig) { struct v4l2_format format = {}; inst->out_width = inst->reconfig_width; inst->out_height = inst->reconfig_height; inst->reconfig = false; format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt; format.fmt.pix_mp.width = inst->out_width; format.fmt.pix_mp.height = inst->out_height; vdec_try_fmt_common(inst, &format); inst->width = format.fmt.pix_mp.width; inst->height = format.fmt.pix_mp.height; } 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; 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; } 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; 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; 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; 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.width = inst->out_width; s->r.height = inst->out_height; break; default: return -EINVAL; } s->r.top = 0; s->r.left = 0; return 0; } static int vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { strlcpy(cap->driver, "qcom-venus", sizeof(cap->driver)); strlcpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card)); strlcpy(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; 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 = inst->cap_width.min; fsize->stepwise.max_width = inst->cap_width.max; fsize->stepwise.step_width = inst->cap_width.step_size; fsize->stepwise.min_height = inst->cap_height.min; fsize->stepwise.max_height = inst->cap_height.max; fsize->stepwise.step_height = inst->cap_height.step_size; return 0; } static int vdec_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_EOS: return v4l2_event_subscribe(fh, sub, 2, NULL); case V4L2_EVENT_SOURCE_CHANGE: return v4l2_src_change_event_subscribe(fh, sub); case V4L2_EVENT_CTRL: return v4l2_ctrl_subscribe_event(fh, sub); default: return -EINVAL; } } static int vdec_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) { switch (cmd->cmd) { case V4L2_DEC_CMD_STOP: if (cmd->flags & V4L2_DEC_CMD_STOP_TO_BLACK) return -EINVAL; break; default: return -EINVAL; } return 0; } static int vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd) { struct venus_inst *inst = to_inst(file); struct hfi_frame_data fdata = {0}; int ret; ret = vdec_try_decoder_cmd(file, fh, cmd); if (ret) return ret; mutex_lock(&inst->lock); /* * 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; fdata.device_addr = 0xdeadbeef; ret = hfi_session_process_buf(inst, &fdata); 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_mplane = vdec_enum_fmt, .vidioc_enum_fmt_vid_out_mplane = 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 = vdec_try_decoder_cmd, .vidioc_decoder_cmd = vdec_decoder_cmd, }; static int vdec_set_properties(struct venus_inst *inst) { struct vdec_controls *ctr = &inst->controls.dec; struct venus_core *core = inst->core; struct hfi_enable en = { .enable = 1 }; u32 ptype; int 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; } if (core->res->hfi_version == HFI_VERSION_3XX || inst->cap_bufs_mode_dynamic) { struct hfi_buffer_alloc_mode mode; ptype = HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE; mode.type = HFI_BUFFER_OUTPUT; mode.mode = HFI_BUFFER_MODE_DYNAMIC; ret = hfi_session_set_property(inst, ptype, &mode); if (ret) return ret; } if (ctr->post_loop_deb_mode) { ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER; en.enable = 1; ret = hfi_session_set_property(inst, ptype, &en); if (ret) return ret; } return 0; } static int vdec_init_session(struct venus_inst *inst) { int ret; ret = hfi_session_init(inst, inst->fmt_out->pixfmt); if (ret) return ret; ret = venus_helper_set_input_resolution(inst, inst->out_width, inst->out_height); if (ret) goto deinit; ret = venus_helper_set_color_format(inst, inst->fmt_cap->pixfmt); if (ret) goto deinit; return 0; deinit: hfi_session_deinit(inst); return ret; } static int vdec_cap_num_buffers(struct venus_inst *inst, unsigned int *num) { struct hfi_buffer_requirements bufreq; int ret; ret = vdec_init_session(inst); if (ret) return ret; ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); *num = bufreq.count_actual; hfi_session_deinit(inst); return ret; } 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); unsigned int p, num; int ret = 0; if (*num_planes) { 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] < inst->output_buf_size) return -EINVAL; return 0; } switch (q->type) { case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: *num_planes = inst->fmt_out->num_planes; sizes[0] = get_framesize_compressed(inst->out_width, inst->out_height); inst->input_buf_size = sizes[0]; inst->num_input_bufs = *num_buffers; ret = vdec_cap_num_buffers(inst, &num); if (ret) break; inst->num_output_bufs = num; break; case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: *num_planes = inst->fmt_cap->num_planes; ret = vdec_cap_num_buffers(inst, &num); if (ret) break; *num_buffers = max(*num_buffers, num); for (p = 0; p < *num_planes; p++) sizes[p] = get_framesize_uncompressed(p, inst->width, inst->height); inst->num_output_bufs = *num_buffers; inst->output_buf_size = sizes[0]; break; default: ret = -EINVAL; break; } return ret; } static int vdec_verify_conf(struct venus_inst *inst) { 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 < bufreq.count_min) return -EINVAL; ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq); if (ret) return ret; if (inst->num_input_bufs < bufreq.count_min) return -EINVAL; return 0; } static int vdec_start_streaming(struct vb2_queue *q, unsigned int count) { struct venus_inst *inst = vb2_get_drv_priv(q); struct venus_core *core = inst->core; u32 ptype; int ret; mutex_lock(&inst->lock); if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) inst->streamon_out = 1; else inst->streamon_cap = 1; if (!(inst->streamon_out & inst->streamon_cap)) { mutex_unlock(&inst->lock); return 0; } venus_helper_init_instance(inst); inst->reconfig = false; inst->sequence_cap = 0; inst->sequence_out = 0; ret = vdec_init_session(inst); if (ret) goto bufs_done; ret = vdec_set_properties(inst); if (ret) goto deinit_sess; if (core->res->hfi_version == HFI_VERSION_3XX) { struct hfi_buffer_size_actual buf_sz; ptype = HFI_PROPERTY_PARAM_BUFFER_SIZE_ACTUAL; buf_sz.type = HFI_BUFFER_OUTPUT; buf_sz.size = inst->output_buf_size; ret = hfi_session_set_property(inst, ptype, &buf_sz); if (ret) goto deinit_sess; } ret = vdec_verify_conf(inst); if (ret) goto deinit_sess; ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs, VB2_MAX_FRAME); if (ret) goto deinit_sess; ret = venus_helper_vb2_start_streaming(inst); if (ret) goto deinit_sess; mutex_unlock(&inst->lock); return 0; deinit_sess: hfi_session_deinit(inst); bufs_done: venus_helper_buffers_done(inst, VB2_BUF_STATE_QUEUED); if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) inst->streamon_out = 0; else inst->streamon_cap = 0; mutex_unlock(&inst->lock); return ret; } static const struct vb2_ops vdec_vb2_ops = { .queue_setup = vdec_queue_setup, .buf_init = venus_helper_vb2_buf_init, .buf_prepare = venus_helper_vb2_buf_prepare, .start_streaming = vdec_start_streaming, .stop_streaming = venus_helper_vb2_stop_streaming, .buf_queue = venus_helper_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; 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) return; vbuf->flags = flags; vbuf->field = V4L2_FIELD_NONE; if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { vb = &vbuf->vb2_buf; vb->planes[0].bytesused = max_t(unsigned int, inst->output_buf_size, 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); } } else { vbuf->sequence = inst->sequence_out++; } if (hfi_flags & HFI_BUFFERFLAG_READONLY) venus_helper_acquire_buf_ref(vbuf); if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT) state = VB2_BUF_STATE_ERROR; v4l2_m2m_buf_done(vbuf, state); } 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; static const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION }; switch (event) { case EVT_SESSION_ERROR: inst->session_error = true; 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: hfi_session_continue(inst); dev_dbg(dev, "event sufficient resources\n"); break; case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES: inst->reconfig_height = data->height; inst->reconfig_width = data->width; inst->reconfig = true; v4l2_event_queue_fh(&inst->fh, &ev); dev_dbg(dev, "event not sufficient resources (%ux%u)\n", data->width, data->height); break; case HFI_EVENT_RELEASE_BUFFER_REFERENCE: venus_helper_release_buf_ref(inst, data->tag); break; default: break; } break; default: break; } } static const struct hfi_inst_ops vdec_hfi_ops = { .buf_done = vdec_buf_done, .event_notify = vdec_event_notify, }; static void vdec_inst_init(struct venus_inst *inst) { inst->fmt_out = &vdec_formats[6]; inst->fmt_cap = &vdec_formats[0]; inst->width = 1280; inst->height = ALIGN(720, 32); inst->out_width = 1280; inst->out_height = 720; inst->fps = 30; inst->timeperframe.numerator = 1; inst->timeperframe.denominator = 30; inst->cap_width.min = 64; inst->cap_width.max = 1920; if (inst->core->res->hfi_version == HFI_VERSION_3XX) inst->cap_width.max = 3840; inst->cap_width.step_size = 1; inst->cap_height.min = 64; inst->cap_height.max = ALIGN(1080, 32); if (inst->core->res->hfi_version == HFI_VERSION_3XX) inst->cap_height.max = ALIGN(2160, 32); inst->cap_height.step_size = 1; inst->cap_framerate.min = 1; inst->cap_framerate.max = 30; inst->cap_framerate.step_size = 1; inst->cap_mbs_per_frame.min = 16; inst->cap_mbs_per_frame.max = 8160; } static const struct v4l2_m2m_ops vdec_m2m_ops = { .device_run = venus_helper_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_sg_memops; src_vq->drv_priv = inst; src_vq->buf_struct_size = sizeof(struct venus_buffer); src_vq->allow_zero_bytesused = 1; src_vq->min_buffers_needed = 1; src_vq->dev = inst->core->dev; 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_sg_memops; dst_vq->drv_priv = inst; dst_vq->buf_struct_size = sizeof(struct venus_buffer); dst_vq->allow_zero_bytesused = 1; dst_vq->min_buffers_needed = 1; dst_vq->dev = inst->core->dev; ret = vb2_queue_init(dst_vq); if (ret) { vb2_queue_release(src_vq); return ret; } return 0; } 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->registeredbufs); INIT_LIST_HEAD(&inst->internalbufs); INIT_LIST_HEAD(&inst->list); mutex_init(&inst->lock); inst->core = core; inst->session_type = VIDC_SESSION_TYPE_DEC; inst->num_output_bufs = 1; venus_helper_init_instance(inst); ret = pm_runtime_get_sync(core->dev_dec); if (ret < 0) goto err_free_inst; ret = vdec_ctrl_init(inst); if (ret) goto err_put_sync; ret = hfi_session_create(inst, &vdec_hfi_ops); if (ret) goto err_ctrl_deinit; vdec_inst_init(inst); /* * 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_put_sync: pm_runtime_put_sync(core->dev_dec); err_free_inst: kfree(inst); return ret; } static int vdec_close(struct file *file) { struct venus_inst *inst = to_inst(file); v4l2_m2m_ctx_release(inst->m2m_ctx); v4l2_m2m_release(inst->m2m_dev); vdec_ctrl_deinit(inst); hfi_session_destroy(inst); mutex_destroy(&inst->lock); v4l2_fh_del(&inst->fh); v4l2_fh_exit(&inst->fh); pm_runtime_put_sync(inst->core->dev_dec); 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, #ifdef CONFIG_COMPAT .compat_ioctl32 = v4l2_compat_ioctl32, #endif }; 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; if (core->res->hfi_version == HFI_VERSION_3XX) { core->core0_clk = devm_clk_get(dev, "core"); if (IS_ERR(core->core0_clk)) return PTR_ERR(core->core0_clk); } platform_set_drvdata(pdev, core); vdev = video_device_alloc(); if (!vdev) return -ENOMEM; strlcpy(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_GRABBER, -1); if (ret) goto err_vdev_release; core->vdev_dec = vdev; core->dev_dec = dev; video_set_drvdata(vdev, core); pm_runtime_enable(dev); return 0; err_vdev_release: video_device_release(vdev); return ret; } static int 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); return 0; } static __maybe_unused int vdec_runtime_suspend(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); if (core->res->hfi_version == HFI_VERSION_1XX) return 0; writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); clk_disable_unprepare(core->core0_clk); writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); return 0; } static __maybe_unused int vdec_runtime_resume(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); int ret; if (core->res->hfi_version == HFI_VERSION_1XX) return 0; writel(0, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); ret = clk_prepare_enable(core->core0_clk); writel(1, core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL); 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 = 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");