Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933010AbcKGRm4 (ORCPT ); Mon, 7 Nov 2016 12:42:56 -0500 Received: from mail-wm0-f46.google.com ([74.125.82.46]:35803 "EHLO mail-wm0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932380AbcKGRmy (ORCPT ); Mon, 7 Nov 2016 12:42:54 -0500 From: Stanimir Varbanov To: Mauro Carvalho Chehab , Hans Verkuil Cc: Andy Gross , Bjorn Andersson , Stephen Boyd , Srinivas Kandagatla , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Stanimir Varbanov Subject: [PATCH v3 4/9] media: venus: vdec: add video decoder files Date: Mon, 7 Nov 2016 19:33:58 +0200 Message-Id: <1478540043-24558-5-git-send-email-stanimir.varbanov@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1478540043-24558-1-git-send-email-stanimir.varbanov@linaro.org> References: <1478540043-24558-1-git-send-email-stanimir.varbanov@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 36203 Lines: 1370 This consists of video decoder implementation plus decoder controls. Signed-off-by: Stanimir Varbanov --- drivers/media/platform/qcom/venus/vdec.c | 1108 ++++++++++++++++++++++++ drivers/media/platform/qcom/venus/vdec.h | 32 + drivers/media/platform/qcom/venus/vdec_ctrls.c | 197 +++++ 3 files changed, 1337 insertions(+) create mode 100644 drivers/media/platform/qcom/venus/vdec.c create mode 100644 drivers/media/platform/qcom/venus/vdec.h create mode 100644 drivers/media/platform/qcom/venus/vdec_ctrls.c diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c new file mode 100644 index 000000000000..3f0eba7e31dc --- /dev/null +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -0,0 +1,1108 @@ +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2016 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 "core.h" +#include "helpers.h" +#include "vdec.h" + +#define MACROBLKS_PER_PIXEL (16 * 16) + +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(u32 mbs_per_frame) +{ + return ((mbs_per_frame * MACROBLKS_PER_PIXEL * 3 / 2) / 2) + 128; +} + +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_XVID, + .num_planes = 1, + .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, + }, +}; + +static const struct venus_format *find_format(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; + + return &fmt[i]; +} + +static const struct venus_format *find_format_by_index(int index, u32 type) +{ + const struct venus_format *fmt = vdec_formats; + unsigned int size = ARRAY_SIZE(vdec_formats); + int i, k = 0; + + if (index < 0 || 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; + + 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(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(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 { + u32 mbs = pixmp->width * pixmp->height / MACROBLKS_PER_PIXEL; + + pfmt[0].sizeimage = get_framesize_compressed(mbs); + 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); + const struct venus_format *fmt; + + fmt = vdec_try_fmt_common(inst, f); + if (!fmt) + return -EINVAL; + + 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->in_reconfig) { + inst->height = inst->reconfig_height; + inst->width = inst->reconfig_width; + inst->in_reconfig = false; + } + + 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_s_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: + return -EINVAL; + case V4L2_SEL_TGT_COMPOSE_BOUNDS: + case V4L2_SEL_TGT_COMPOSE_DEFAULT: + case V4L2_SEL_TGT_COMPOSE_PADDED: + return -EINVAL; + 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_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + + if (!queue) + return -EINVAL; + + return vb2_reqbufs(queue, b); +} + +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) +{ + const struct venus_format *fmt; + + memset(f->reserved, 0, sizeof(f->reserved)); + + fmt = find_format_by_index(f->index, f->type); + if (!fmt) + return -EINVAL; + + f->pixelformat = fmt->pixfmt; + + return 0; +} + +static int vdec_querybuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + unsigned int p; + int ret; + + if (!queue) + return -EINVAL; + + ret = vb2_querybuf(queue, b); + if (ret) + return ret; + + if (b->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + b->memory == V4L2_MEMORY_MMAP) { + for (p = 0; p < b->length; p++) + b->m.planes[p].m.mem_offset += DST_QUEUE_OFF_BASE; + } + + return 0; +} + +static int +vdec_create_bufs(struct file *file, void *fh, struct v4l2_create_buffers *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->format.type); + + if (!queue) + return -EINVAL; + + return vb2_create_bufs(queue, b); +} + +static int vdec_prepare_buf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + + if (!queue) + return -EINVAL; + + return vb2_prepare_buf(queue, b); +} + +static int vdec_qbuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + + if (!queue) + return -EINVAL; + + return vb2_qbuf(queue, b); +} + +static int +vdec_exportbuf(struct file *file, void *fh, struct v4l2_exportbuffer *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + + if (!queue) + return -EINVAL; + + return vb2_expbuf(queue, b); +} + +static int vdec_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct vb2_queue *queue = to_vb2q(file, b->type); + + if (!queue) + return -EINVAL; + + return vb2_dqbuf(queue, b, file->f_flags & O_NONBLOCK); +} + +static int vdec_streamon(struct file *file, void *fh, enum v4l2_buf_type type) +{ + struct vb2_queue *queue = to_vb2q(file, type); + + if (!queue) + return -EINVAL; + + return vb2_streamon(queue, type); +} + +static int vdec_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) +{ + struct vb2_queue *queue = to_vb2q(file, type); + + if (!queue) + return -EINVAL; + + return vb2_streamoff(queue, type); +} + +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_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) +{ + struct venus_inst *inst = to_inst(file); + + if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + a->parm.capture.capability |= V4L2_CAP_TIMEPERFRAME; + a->parm.capture.timeperframe = inst->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; + + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + + fmt = find_format(fsize->pixel_format, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + if (!fmt) { + fmt = find_format(fsize->pixel_format, + V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); + if (!fmt) + return -EINVAL; + } + + if (fsize->index) + return -EINVAL; + + 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_enum_frameintervals(struct file *file, void *fh, + struct v4l2_frmivalenum *fival) +{ + struct venus_inst *inst = to_inst(file); + const struct venus_format *fmt; + + fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; + + fmt = find_format(fival->pixel_format, + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); + if (!fmt) + return -EINVAL; + + if (fival->index) + return -EINVAL; + + if (!fival->width || !fival->height) + return -EINVAL; + + if (fival->width > inst->cap_width.max || + fival->width < inst->cap_width.min || + fival->height > inst->cap_height.max || + fival->height < inst->cap_height.min) + return -EINVAL; + + fival->stepwise.min.numerator = inst->cap_framerate.min; + fival->stepwise.min.denominator = 1; + fival->stepwise.max.numerator = inst->cap_framerate.max; + fival->stepwise.max.denominator = 1; + fival->stepwise.step.numerator = inst->cap_framerate.step_size; + fival->stepwise.step.denominator = 1; + + 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 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_s_selection = vdec_s_selection, + .vidioc_reqbufs = vdec_reqbufs, + .vidioc_querybuf = vdec_querybuf, + .vidioc_create_bufs = vdec_create_bufs, + .vidioc_prepare_buf = vdec_prepare_buf, + .vidioc_qbuf = vdec_qbuf, + .vidioc_expbuf = vdec_exportbuf, + .vidioc_dqbuf = vdec_dqbuf, + .vidioc_streamon = vdec_streamon, + .vidioc_streamoff = vdec_streamoff, + .vidioc_s_parm = vdec_s_parm, + .vidioc_g_parm = vdec_g_parm, + .vidioc_enum_framesizes = vdec_enum_framesizes, + .vidioc_enum_frameintervals = vdec_enum_frameintervals, + .vidioc_subscribe_event = vdec_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, +}; + +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; + + 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) { + 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) +{ + u32 pixfmt = inst->fmt_out->pixfmt; + struct hfi_framesize fs; + u32 ptype; + int ret; + + ret = hfi_session_init(inst, pixfmt, VIDC_SESSION_TYPE_DEC); + if (ret) + return ret; + + ptype = HFI_PROPERTY_PARAM_FRAME_SIZE; + fs.buffer_type = HFI_BUFFER_INPUT; + fs.width = inst->out_width; + fs.height = inst->out_height; + + ret = hfi_session_set_property(inst, ptype, &fs); + if (ret) + goto err; + + pixfmt = inst->fmt_cap->pixfmt; + + ret = vidc_set_color_format(inst, HFI_BUFFER_OUTPUT, pixfmt); + if (ret) + goto err; + + return 0; +err: + hfi_session_deinit(inst); + return ret; +} + +static int vdec_cap_num_buffers(struct venus_inst *inst, unsigned int *num) +{ + struct venus_core *core = inst->core; + struct hfi_buffer_requirements bufreq; + struct device *dev = core->dev; + int ret, ret2; + + ret = pm_runtime_get_sync(dev); + if (ret < 0) + return ret; + + ret = vdec_init_session(inst); + if (ret) + goto put_sync; + + ret = vidc_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); + + *num = bufreq.count_actual; + + hfi_session_deinit(inst); + +put_sync: + ret2 = pm_runtime_put_sync(dev); + + return ret ? ret : ret2; +} + +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; + u32 mbs; + + switch (q->type) { + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + *num_planes = inst->fmt_out->num_planes; + mbs = inst->out_width * inst->out_height / MACROBLKS_PER_PIXEL; + sizes[0] = get_framesize_compressed(mbs); + inst->num_input_bufs = *num_buffers; + 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_check_configuration(struct venus_inst *inst) +{ + struct hfi_buffer_requirements bufreq; + int ret; + + ret = vidc_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 = vidc_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; + struct device *dev = core->dev; + struct hfi_buffer_count_actual buf_count; + struct vb2_queue *other_queue; + u32 ptype; + int ret; + + if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + other_queue = &inst->bufq_cap; + else + other_queue = &inst->bufq_out; + + if (!vb2_is_streaming(other_queue)) + return 0; + + inst->in_reconfig = false; + inst->sequence = 0; + + ret = pm_runtime_get_sync(dev); + if (ret < 0) + return ret; + + ret = vdec_init_session(inst); + if (ret) + goto put_sync; + + 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; + } + + ptype = HFI_PROPERTY_PARAM_BUFFER_COUNT_ACTUAL; + buf_count.type = HFI_BUFFER_INPUT; + buf_count.count_actual = inst->num_input_bufs; + + ret = hfi_session_set_property(inst, ptype, &buf_count); + if (ret) + goto deinit_sess; + + ptype = HFI_PROPERTY_PARAM_BUFFER_COUNT_ACTUAL; + buf_count.type = HFI_BUFFER_OUTPUT; + buf_count.count_actual = inst->num_output_bufs; + + ret = hfi_session_set_property(inst, ptype, &buf_count); + if (ret) + goto deinit_sess; + + ret = vdec_check_configuration(inst); + if (ret) + goto deinit_sess; + + ret = vidc_vb2_start_streaming(inst); + if (ret) + goto deinit_sess; + + return 0; + +deinit_sess: + hfi_session_deinit(inst); +put_sync: + pm_runtime_put_sync(dev); + return ret; +} + +static const struct vb2_ops vdec_vb2_ops = { + .queue_setup = vdec_queue_setup, + .buf_init = vidc_vb2_buf_init, + .buf_prepare = vidc_vb2_buf_prepare, + .start_streaming = vdec_start_streaming, + .stop_streaming = vidc_vb2_stop_streaming, + .buf_queue = vidc_vb2_buf_queue, +}; + +static int vdec_empty_buf_done(struct venus_inst *inst, u32 addr, u32 bytesused, + u32 data_offset, u32 flags) +{ + struct vb2_v4l2_buffer *vbuf; + struct vb2_buffer *vb; + + vbuf = vidc_vb2_find_buf(inst, addr); + if (!vbuf) + return -EINVAL; + + vb = &vbuf->vb2_buf; + vbuf->flags = flags; + + vb2_buffer_done(vb, VB2_BUF_STATE_DONE); + + return 0; +} + +static int vdec_fill_buf_done(struct venus_inst *inst, u32 addr, u32 bytesused, + u32 data_offset, u32 flags, u64 timestamp_us) +{ + struct vb2_v4l2_buffer *vbuf; + struct vb2_buffer *vb; + + vbuf = vidc_vb2_find_buf(inst, addr); + if (!vbuf) + return -EINVAL; + + 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->flags = flags; + vbuf->sequence = inst->sequence++; + + vb2_buffer_done(vb, VB2_BUF_STATE_DONE); + + if (vbuf->flags & V4L2_BUF_FLAG_LAST) { + const struct v4l2_event ev = { .type = V4L2_EVENT_EOS }; + + v4l2_event_queue_fh(&inst->fh, &ev); + } + + return 0; +} + +static int 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; + 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: + if (inst) { + mutex_lock(&inst->lock); + inst->state = INST_INVALID; + mutex_unlock(&inst->lock); + } + dev_err(dev, "dec: event session error (inst:%p)\n", inst); + 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->in_reconfig = true; + + v4l2_event_queue_fh(&inst->fh, &ev); + + dev_dbg(dev, "event not sufficient resources (%ux%u)\n", + data->width, data->height); + break; + default: + break; + } + break; + default: + break; + } + + return 0; +} + +static const struct hfi_inst_ops vdec_hfi_ops = { + .empty_buf_done = vdec_empty_buf_done, + .fill_buf_done = vdec_fill_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; + inst->cap_width.step_size = 1; + inst->cap_height.min = 64; + inst->cap_height.max = ALIGN(1080, 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; +} + +int vdec_init(struct venus_core *core, struct video_device *dec, + const struct v4l2_file_operations *fops) +{ + int ret; + + dec->release = video_device_release; + dec->fops = fops; + dec->ioctl_ops = &vdec_ioctl_ops; + dec->vfl_dir = VFL_DIR_M2M; + dec->v4l2_dev = &core->v4l2_dev; + dec->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; + + ret = video_register_device(dec, VFL_TYPE_GRABBER, -1); + if (ret) + return ret; + + video_set_drvdata(dec, core); + + return 0; +} + +void vdec_deinit(struct venus_core *core, struct video_device *dec) +{ + video_unregister_device(dec); +} + +int vdec_open(struct venus_inst *inst) +{ + struct vb2_queue *q; + int ret; + + ret = vdec_ctrl_init(inst); + if (ret) + return ret; + + ret = hfi_session_create(inst, &vdec_hfi_ops); + if (ret) + goto err_ctrl_deinit; + + vdec_inst_init(inst); + + q = &inst->bufq_cap; + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; + q->io_modes = VB2_MMAP | VB2_DMABUF; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + q->ops = &vdec_vb2_ops; + q->mem_ops = &vb2_dma_sg_memops; + q->drv_priv = inst; + q->buf_struct_size = sizeof(struct vidc_buffer); + q->allow_zero_bytesused = 1; + q->dev = inst->core->dev; + ret = vb2_queue_init(q); + if (ret) + goto err_session_destroy; + + q = &inst->bufq_out; + q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; + q->io_modes = VB2_MMAP | VB2_DMABUF; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + q->ops = &vdec_vb2_ops; + q->mem_ops = &vb2_dma_sg_memops; + q->drv_priv = inst; + q->buf_struct_size = sizeof(struct vidc_buffer); + q->allow_zero_bytesused = 1; + q->min_buffers_needed = 1; + q->dev = inst->core->dev; + ret = vb2_queue_init(q); + if (ret) + goto err_cap_queue_release; + + return 0; + +err_cap_queue_release: + vb2_queue_release(&inst->bufq_cap); +err_session_destroy: + hfi_session_destroy(inst); +err_ctrl_deinit: + vdec_ctrl_deinit(inst); + return ret; +} + +void vdec_close(struct venus_inst *inst) +{ + vb2_queue_release(&inst->bufq_out); + vb2_queue_release(&inst->bufq_cap); + vdec_ctrl_deinit(inst); + hfi_session_destroy(inst); +} diff --git a/drivers/media/platform/qcom/venus/vdec.h b/drivers/media/platform/qcom/venus/vdec.h new file mode 100644 index 000000000000..93d40774fb61 --- /dev/null +++ b/drivers/media/platform/qcom/venus/vdec.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. + * Copyright (C) 2016 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. + * + */ +#ifndef __VIDC_VDEC_H__ +#define __VIDC_VDEC_H__ + +struct venus_core; +struct video_device; +struct venus_inst; +struct v4l2_file_operations; + +int vdec_init(struct venus_core *core, struct video_device *dec, + const struct v4l2_file_operations *fops); +void vdec_deinit(struct venus_core *core, struct video_device *dec); +int vdec_open(struct venus_inst *inst); +void vdec_close(struct venus_inst *inst); + +int vdec_ctrl_init(struct venus_inst *inst); +void vdec_ctrl_deinit(struct venus_inst *inst); + +#endif diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c new file mode 100644 index 000000000000..0c4e2afcfe57 --- /dev/null +++ b/drivers/media/platform/qcom/venus/vdec_ctrls.c @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. + * Copyright (C) 2016 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 "core.h" + +static struct venus_ctrl vdec_ctrls[] = { + { + .id = V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE, + .type = V4L2_CTRL_TYPE_MENU, + .min = V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, + .max = V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY, + .def = V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE, + .flags = V4L2_CTRL_FLAG_VOLATILE, + .menu_skip_mask = ~( + (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE) | + (1 << V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE) + ), + }, { + .id = V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL, + .type = V4L2_CTRL_TYPE_MENU, + .min = V4L2_MPEG_VIDEO_MPEG4_LEVEL_0, + .max = V4L2_MPEG_VIDEO_MPEG4_LEVEL_5, + .def = V4L2_MPEG_VIDEO_MPEG4_LEVEL_0, + .flags = V4L2_CTRL_FLAG_VOLATILE, + }, { + .id = V4L2_CID_MPEG_VIDEO_H264_PROFILE, + .type = V4L2_CTRL_TYPE_MENU, + .min = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, + .max = V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH, + .def = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE, + .flags = V4L2_CTRL_FLAG_VOLATILE, + .menu_skip_mask = ~( + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MAIN) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_HIGH) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH) | + (1 << V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH) + ), + }, { + .id = V4L2_CID_MPEG_VIDEO_H264_LEVEL, + .type = V4L2_CTRL_TYPE_MENU, + .min = V4L2_MPEG_VIDEO_H264_LEVEL_1_0, + .max = V4L2_MPEG_VIDEO_H264_LEVEL_5_1, + .def = V4L2_MPEG_VIDEO_H264_LEVEL_1_0, + .flags = V4L2_CTRL_FLAG_VOLATILE, + }, { + .id = V4L2_CID_MPEG_VIDEO_VPX_PROFILE, + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 3, + .step = 1, + .def = 0, + .flags = V4L2_CTRL_FLAG_VOLATILE, + }, { + .id = V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .def = 0, + }, +}; + +#define NUM_CTRLS ARRAY_SIZE(vdec_ctrls) + +static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct venus_inst *inst = ctrl_to_inst(ctrl); + struct vdec_controls *ctr = &inst->controls.dec; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: + ctr->post_loop_deb_mode = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: + case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: + case V4L2_CID_MPEG_VIDEO_VPX_PROFILE: + ctr->profile = ctrl->val; + break; + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: + case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: + ctr->level = ctrl->val; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct venus_inst *inst = ctrl_to_inst(ctrl); + struct vdec_controls *ctr = &inst->controls.dec; + union hfi_get_property hprop; + u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; + int ret; + + switch (ctrl->id) { + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: + case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: + case V4L2_CID_MPEG_VIDEO_VPX_PROFILE: + ret = hfi_session_get_property(inst, ptype, &hprop); + if (!ret) + ctr->profile = hprop.profile_level.profile; + ctrl->val = ctr->profile; + break; + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: + case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: + ret = hfi_session_get_property(inst, ptype, &hprop); + if (!ret) + ctr->level = hprop.profile_level.level; + ctrl->val = ctr->level; + break; + case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER: + ctrl->val = ctr->post_loop_deb_mode; + break; + default: + return -EINVAL; + }; + + return 0; +} + +static const struct v4l2_ctrl_ops vdec_ctrl_ops = { + .s_ctrl = vdec_op_s_ctrl, + .g_volatile_ctrl = vdec_op_g_volatile_ctrl, +}; + +int vdec_ctrl_init(struct venus_inst *inst) +{ + unsigned int i; + int ret; + + ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, NUM_CTRLS); + if (ret) + return ret; + + for (i = 0; i < NUM_CTRLS; i++) { + struct v4l2_ctrl *ctrl; + + if (vdec_ctrls[i].type == V4L2_CTRL_TYPE_MENU) { + ctrl = v4l2_ctrl_new_std_menu(&inst->ctrl_handler, + &vdec_ctrl_ops, + vdec_ctrls[i].id, + vdec_ctrls[i].max, + vdec_ctrls[i].menu_skip_mask, + vdec_ctrls[i].def); + } else { + ctrl = v4l2_ctrl_new_std(&inst->ctrl_handler, + &vdec_ctrl_ops, + vdec_ctrls[i].id, + vdec_ctrls[i].min, + vdec_ctrls[i].max, + vdec_ctrls[i].step, + vdec_ctrls[i].def); + } + + if (!ctrl) + return -EINVAL; + + switch (vdec_ctrls[i].id) { + case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: + case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: + case V4L2_CID_MPEG_VIDEO_H264_PROFILE: + case V4L2_CID_MPEG_VIDEO_H264_LEVEL: + case V4L2_CID_MPEG_VIDEO_VPX_PROFILE: + ctrl->flags |= vdec_ctrls[i].flags; + break; + } + + ret = inst->ctrl_handler.error; + if (ret) { + v4l2_ctrl_handler_free(&inst->ctrl_handler); + return ret; + } + } + + return ret; +} + +void vdec_ctrl_deinit(struct venus_inst *inst) +{ + v4l2_ctrl_handler_free(&inst->ctrl_handler); +} -- 2.7.4