new file mode 100644
@@ -0,0 +1,1091 @@
+/*
+ * 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 <linux/slab.h>
+#include <linux/pm_runtime.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-event.h>
+#include <media/v4l2-ctrls.h>
+#include <media/videobuf2-dma-sg.h>
+
+#include "core.h"
+#include "helpers.h"
+#include "vdec_ctrls.h"
+
+#define MACROBLOCKS_PER_PIXEL (16 * 16)
+
+static u32 get_framesize_nv12(int plane, u32 height, u32 width)
+{
+ 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 * MACROBLOCKS_PER_PIXEL * 3 / 2) / 2) + 128;
+}
+
+static const struct vidc_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 vidc_format *find_format(u32 pixfmt, u32 type)
+{
+ const struct vidc_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 vidc_format *find_format_by_index(int index, u32 type)
+{
+ const struct vidc_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 int vdec_set_properties(struct vidc_inst *inst)
+{
+ struct vdec_controls *ctr = &inst->controls.dec;
+ struct hfi_core *hfi = &inst->core->hfi;
+ struct hfi_enable en = { .enable = 1 };
+ struct hfi_framerate frate;
+ u32 ptype;
+ int ret;
+
+ ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
+ ret = vidc_hfi_session_set_property(hfi, inst->hfi_inst, ptype, &en);
+ if (ret)
+ return ret;
+
+ ptype = HFI_PROPERTY_CONFIG_FRAME_RATE;
+ frate.buffer_type = HFI_BUFFER_INPUT;
+ frate.framerate = inst->fps * (1 << 16);
+
+ ret = vidc_hfi_session_set_property(hfi, inst->hfi_inst, ptype, &frate);
+ if (ret)
+ return ret;
+
+ if (ctr->post_loop_deb_mode) {
+ ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
+ en.enable = 1;
+ ret = vidc_hfi_session_set_property(hfi, inst->hfi_inst, ptype,
+ &en);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct vidc_format *
+vdec_try_fmt_common(struct vidc_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;
+ struct hfi_inst *hfi_inst = inst->hfi_inst;
+ const struct vidc_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;
+ }
+
+ if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ pixmp->height = ALIGN(pixmp->height, 32);
+
+ pixmp->width = clamp(pixmp->width, hfi_inst->width.min,
+ hfi_inst->width.max);
+ pixmp->height = clamp(pixmp->height, hfi_inst->height.min,
+ hfi_inst->height.max);
+ 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_nv12(p, pixmp->height,
+ pixmp->width);
+
+ pfmt[p].bytesperline = ALIGN(pixmp->width, 128);
+ }
+ } else {
+ u32 mbs = pixmp->width * pixmp->height / MACROBLOCKS_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 vidc_inst *inst = to_inst(file);
+ const struct vidc_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 vidc_inst *inst = to_inst(file);
+ const struct vidc_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 vidc_inst *inst = to_inst(file);
+ struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
+ struct v4l2_pix_format_mplane orig_pixmp;
+ const struct vidc_format *fmt;
+ struct v4l2_format format;
+ u32 pixfmt_out = 0, pixfmt_cap = 0;
+
+ orig_pixmp = *pixmp;
+
+ fmt = vdec_try_fmt_common(inst, f);
+ if (!fmt)
+ return -EINVAL;
+
+ 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);
+ inst->out_width = format.fmt.pix_mp.width;
+ inst->out_height = format.fmt.pix_mp.height;
+ if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
+ 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 *priv, struct v4l2_selection *s)
+{
+ struct vidc_inst *inst = to_inst(file);
+
+ if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
+ return -EINVAL;
+
+ switch (s->target) {
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ case V4L2_SEL_TGT_CROP:
+ case V4L2_SEL_TGT_COMPOSE_DEFAULT:
+ case V4L2_SEL_TGT_COMPOSE_BOUNDS:
+ case V4L2_SEL_TGT_COMPOSE:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ s->r.top = 0;
+ s->r.left = 0;
+ s->r.width = inst->out_width;
+ s->r.height = inst->out_height;
+
+ return 0;
+}
+
+static int
+vdec_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *b)
+{
+ struct vb2_queue *queue = vidc_to_vb2q(file, b->type);
+
+ if (!queue)
+ return -EINVAL;
+
+ if (!b->count)
+ vb2_core_queue_release(queue);
+
+ return vb2_reqbufs(queue, b);
+}
+
+static int
+vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
+{
+ strlcpy(cap->driver, VIDC_DRV_NAME, sizeof(cap->driver));
+ strlcpy(cap->card, "video decoder", sizeof(cap->card));
+ strlcpy(cap->bus_info, "platform:vidc", sizeof(cap->bus_info));
+
+ return 0;
+}
+
+static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
+{
+ const struct vidc_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 = vidc_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 = vidc_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 = vidc_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 = vidc_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 = vidc_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 = vidc_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 = vidc_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 = vidc_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 vidc_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 vidc_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 hfi_inst *hfi_inst = to_hfi_inst(file);
+ const struct vidc_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 = hfi_inst->width.min;
+ fsize->stepwise.max_width = hfi_inst->width.max;
+ fsize->stepwise.step_width = hfi_inst->width.step_size;
+ fsize->stepwise.min_height = hfi_inst->height.min;
+ fsize->stepwise.max_height = hfi_inst->height.max;
+ fsize->stepwise.step_height = hfi_inst->height.step_size;
+
+ return 0;
+}
+
+static int vdec_enum_frameintervals(struct file *file, void *fh,
+ struct v4l2_frmivalenum *fival)
+{
+ struct hfi_inst *hfi_inst = to_hfi_inst(file);
+ const struct vidc_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 > hfi_inst->width.max ||
+ fival->width < hfi_inst->width.min ||
+ fival->height > hfi_inst->height.max ||
+ fival->height < hfi_inst->height.min)
+ return -EINVAL;
+
+ fival->stepwise.min.numerator = hfi_inst->framerate.min;
+ fival->stepwise.min.denominator = 1;
+ fival->stepwise.max.numerator = hfi_inst->framerate.max;
+ fival->stepwise.max.denominator = 1;
+ fival->stepwise.step.numerator = hfi_inst->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_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_init_session(struct vidc_inst *inst)
+{
+ struct hfi_core *hfi = &inst->core->hfi;
+ u32 pixfmt = inst->fmt_out->pixfmt;
+ struct hfi_framesize fs;
+ u32 ptype;
+ int ret;
+
+ ret = vidc_hfi_session_init(hfi, inst->hfi_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 = vidc_hfi_session_set_property(hfi, inst->hfi_inst, ptype, &fs);
+ if (ret)
+ goto err;
+
+ fs.buffer_type = HFI_BUFFER_OUTPUT;
+ fs.width = inst->width;
+ fs.height = inst->height;
+
+ ret = vidc_hfi_session_set_property(hfi, inst->hfi_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:
+ vidc_hfi_session_deinit(hfi, inst->hfi_inst);
+ return ret;
+}
+
+static int vdec_cap_num_buffers(struct vidc_inst *inst,
+ struct hfi_buffer_requirements *bufreq)
+{
+ struct hfi_core *hfi = &inst->core->hfi;
+ struct device *dev = inst->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);
+
+ vidc_hfi_session_deinit(hfi, inst->hfi_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 vidc_inst *inst = vb2_get_drv_priv(q);
+ struct hfi_buffer_requirements bufreq;
+ unsigned int p;
+ int ret = 0;
+ u32 mbs;
+
+ switch (q->type) {
+ case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
+ *num_planes = inst->fmt_out->num_planes;
+
+ *num_buffers = clamp_val(*num_buffers, 4, VIDEO_MAX_FRAME);
+
+ mbs = inst->out_width * inst->out_height /
+ MACROBLOCKS_PER_PIXEL;
+ for (p = 0; p < *num_planes; p++)
+ sizes[p] = 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, &bufreq);
+ if (ret)
+ break;
+
+ *num_buffers = max(*num_buffers, bufreq.count_actual);
+
+ for (p = 0; p < *num_planes; p++)
+ sizes[p] = get_framesize_nv12(p, inst->height,
+ inst->width);
+
+ inst->num_output_bufs = *num_buffers;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int vdec_check_configuration(struct vidc_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 vidc_inst *inst = vb2_get_drv_priv(q);
+ struct hfi_core *hfi = &inst->core->hfi;
+ struct device *dev = inst->core->dev;
+ struct hfi_buffer_requirements bufreq;
+ 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;
+
+ ret = vdec_check_configuration(inst);
+ 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 = vidc_hfi_session_set_property(hfi, inst->hfi_inst,
+ ptype, &buf_count);
+ if (ret)
+ goto deinit_sess;
+
+ ret = vidc_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
+ 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 = vidc_hfi_session_set_property(hfi, inst->hfi_inst,
+ ptype, &buf_count);
+ if (ret)
+ goto deinit_sess;
+
+ if (inst->num_output_bufs != bufreq.count_actual) {
+ struct hfi_buffer_display_hold_count_actual display;
+
+ ptype = HFI_PROPERTY_PARAM_BUFFER_DISPLAY_HOLD_COUNT_ACTUAL;
+ display.type = HFI_BUFFER_OUTPUT;
+ display.hold_count = inst->num_output_bufs -
+ bufreq.count_actual;
+
+ ret = vidc_hfi_session_set_property(hfi, inst->hfi_inst,
+ ptype, &display);
+ if (ret)
+ goto deinit_sess;
+ }
+
+ ret = vidc_vb2_start_streaming(inst);
+ if (ret)
+ goto deinit_sess;
+
+ return 0;
+
+deinit_sess:
+ vidc_hfi_session_deinit(hfi, inst->hfi_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 hfi_inst *hfi_inst, u32 addr,
+ u32 bytesused, u32 data_offset, u32 flags)
+{
+ struct vidc_inst *inst = hfi_inst->ops_priv;
+ 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 hfi_inst *hfi_inst, u32 addr,
+ u32 bytesused, u32 data_offset, u32 flags,
+ struct timeval *timestamp)
+{
+ struct vidc_inst *inst = hfi_inst->ops_priv;
+ 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 = bytesused;
+ vb->planes[0].data_offset = data_offset;
+ vb->timestamp = timeval_to_ns(timestamp);
+ 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 hfi_inst *hfi_inst, u32 event,
+ struct hfi_event_data *data)
+{
+ struct vidc_inst *inst = hfi_inst->ops_priv;
+ struct device *dev = inst->core->dev;
+ const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE };
+
+ switch (event) {
+ case EVT_SESSION_ERROR:
+ if (hfi_inst) {
+ mutex_lock(&hfi_inst->lock);
+ inst->hfi_inst->state = INST_INVALID;
+ mutex_unlock(&hfi_inst->lock);
+ }
+ dev_err(dev, "dec: event session error (inst:%p)\n", hfi_inst);
+ break;
+ case EVT_SYS_EVENT_CHANGE:
+ switch (data->event_type) {
+ case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
+ 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 vidc_inst *inst)
+{
+ struct hfi_inst *hfi_inst = inst->hfi_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;
+
+ hfi_inst->width.min = 64;
+ hfi_inst->width.max = 1920;
+ hfi_inst->width.step_size = 1;
+ hfi_inst->height.min = 64;
+ hfi_inst->height.max = ALIGN(1080, 32);
+ hfi_inst->height.step_size = 1;
+ hfi_inst->framerate.min = 1;
+ hfi_inst->framerate.max = 30;
+ hfi_inst->framerate.step_size = 1;
+ hfi_inst->mbs_per_frame.min = 16;
+ hfi_inst->mbs_per_frame.max = 8160;
+}
+
+int vdec_init(struct vidc_core *core, struct video_device *dec,
+ const struct v4l2_file_operations *fops)
+{
+ int ret;
+
+ dec->release = video_device_release_empty;
+ 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 vidc_core *core, struct video_device *dec)
+{
+ video_unregister_device(dec);
+}
+
+int vdec_open(struct vidc_inst *inst)
+{
+ struct hfi_core *hfi = &inst->core->hfi;
+ struct vb2_queue *q;
+ int ret;
+
+ ret = vdec_ctrl_init(inst);
+ if (ret)
+ return ret;
+
+ inst->hfi_inst = vidc_hfi_session_create(hfi, &vdec_hfi_ops, inst);
+ if (IS_ERR(inst->hfi_inst)) {
+ ret = PTR_ERR(inst->hfi_inst);
+ 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->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:
+ vidc_hfi_session_destroy(hfi, inst->hfi_inst);
+ inst->hfi_inst = NULL;
+err_ctrl_deinit:
+ vdec_ctrl_deinit(inst);
+ return ret;
+}
+
+void vdec_close(struct vidc_inst *inst)
+{
+ struct hfi_core *hfi = &inst->core->hfi;
+
+ vb2_queue_release(&inst->bufq_out);
+ vb2_queue_release(&inst->bufq_cap);
+ vdec_ctrl_deinit(inst);
+ vidc_hfi_session_destroy(hfi, inst->hfi_inst);
+}
new file mode 100644
@@ -0,0 +1,29 @@
+/*
+ * 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 vidc_core;
+struct video_device;
+struct vidc_inst;
+struct v4l2_file_operations;
+
+int vdec_init(struct vidc_core *core, struct video_device *dec,
+ const struct v4l2_file_operations *fops);
+void vdec_deinit(struct vidc_core *core, struct video_device *dec);
+int vdec_open(struct vidc_inst *inst);
+void vdec_close(struct vidc_inst *inst);
+
+#endif
new file mode 100644
@@ -0,0 +1,200 @@
+/*
+ * 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 <linux/types.h>
+#include <media/v4l2-ctrls.h>
+
+#include "core.h"
+
+static struct vidc_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 vidc_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 vidc_inst *inst = ctrl_to_inst(ctrl);
+ struct vdec_controls *ctr = &inst->controls.dec;
+ struct hfi_core *hfi = &inst->core->hfi;
+ 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 = vidc_hfi_session_get_property(hfi, inst->hfi_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 = vidc_hfi_session_get_property(hfi, inst->hfi_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 vidc_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 vidc_inst *inst)
+{
+ v4l2_ctrl_handler_free(&inst->ctrl_handler);
+}
new file mode 100644
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 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.
+ *
+ */
+#ifndef __VIDC_VDEC_CTRLS_H__
+#define __VIDC_VDEC_CTRLS_H__
+
+int vdec_ctrl_init(struct vidc_inst *inst);
+void vdec_ctrl_deinit(struct vidc_inst *inst);
+
+#endif
This consists of video decoder implementation plus decoder controls. Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> --- drivers/media/platform/qcom/vidc/vdec.c | 1091 +++++++++++++++++++++++++ drivers/media/platform/qcom/vidc/vdec.h | 29 + drivers/media/platform/qcom/vidc/vdec_ctrls.c | 200 +++++ drivers/media/platform/qcom/vidc/vdec_ctrls.h | 21 + 4 files changed, 1341 insertions(+) create mode 100644 drivers/media/platform/qcom/vidc/vdec.c create mode 100644 drivers/media/platform/qcom/vidc/vdec.h create mode 100644 drivers/media/platform/qcom/vidc/vdec_ctrls.c create mode 100644 drivers/media/platform/qcom/vidc/vdec_ctrls.h -- 2.7.4