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linux-zen-server/drivers/media/platform/qcom/venus/vdec.c

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Initial commit
2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
* Copyright (C) 2017 Linaro Ltd.
*/
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-mem2mem.h>
#include <media/videobuf2-dma-contig.h>
#include "hfi_venus_io.h"
#include "hfi_parser.h"
#include "core.h"
#include "helpers.h"
#include "vdec.h"
#include "pm_helpers.h"
/*
* Three resons to keep MPLANE formats (despite that the number of planes
* currently is one):
* - the MPLANE formats allow only one plane to be used
* - the downstream driver use MPLANE formats too
* - future firmware versions could add support for >1 planes
*/
static const struct venus_format vdec_formats[] = {
{
.pixfmt = V4L2_PIX_FMT_NV12,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_QC08C,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
}, {
.pixfmt = V4L2_PIX_FMT_QC10C,
.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,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_MPEG2,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_H263,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_G,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_VC1_ANNEX_L,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_H264,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_VP8,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_VP9,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_XVID,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_HEVC,
.num_planes = 1,
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
.flags = V4L2_FMT_FLAG_DYN_RESOLUTION,
},
};
static const struct venus_format *
find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
{
const struct venus_format *fmt = vdec_formats;
unsigned int size = ARRAY_SIZE(vdec_formats);
unsigned int i;
for (i = 0; i < size; i++) {
if (fmt[i].pixfmt == pixfmt)
break;
}
if (i == size || fmt[i].type != type)
return NULL;
if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
!venus_helper_check_codec(inst, fmt[i].pixfmt))
return NULL;
if (V4L2_TYPE_IS_CAPTURE(type) &&
!venus_helper_check_format(inst, fmt[i].pixfmt))
return NULL;
if (V4L2_TYPE_IS_CAPTURE(type) && fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
!(inst->bit_depth == VIDC_BITDEPTH_10))
return NULL;
return &fmt[i];
}
static const struct venus_format *
find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
{
const struct venus_format *fmt = vdec_formats;
unsigned int size = ARRAY_SIZE(vdec_formats);
unsigned int i, k = 0;
if (index > size)
return NULL;
for (i = 0; i < size; i++) {
bool valid;
if (fmt[i].type != type)
continue;
if (V4L2_TYPE_IS_OUTPUT(type)) {
valid = venus_helper_check_codec(inst, fmt[i].pixfmt);
} else if (V4L2_TYPE_IS_CAPTURE(type)) {
valid = venus_helper_check_format(inst, fmt[i].pixfmt);
if (fmt[i].pixfmt == V4L2_PIX_FMT_QC10C &&
!(inst->bit_depth == VIDC_BITDEPTH_10))
valid = false;
}
if (k == index && valid)
break;
if (valid)
k++;
}
if (i == size)
return NULL;
return &fmt[i];
}
static const struct venus_format *
vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
{
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct v4l2_plane_pix_format *pfmt = pixmp->plane_fmt;
const struct venus_format *fmt;
u32 szimage;
memset(pfmt[0].reserved, 0, sizeof(pfmt[0].reserved));
memset(pixmp->reserved, 0, sizeof(pixmp->reserved));
fmt = find_format(inst, pixmp->pixelformat, f->type);
if (!fmt) {
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
pixmp->pixelformat = V4L2_PIX_FMT_NV12;
else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
pixmp->pixelformat = V4L2_PIX_FMT_H264;
else
return NULL;
fmt = find_format(inst, pixmp->pixelformat, f->type);
if (!fmt)
return NULL;
}
pixmp->width = clamp(pixmp->width, frame_width_min(inst),
frame_width_max(inst));
pixmp->height = clamp(pixmp->height, frame_height_min(inst),
frame_height_max(inst));
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
pixmp->height = ALIGN(pixmp->height, 32);
if (pixmp->field == V4L2_FIELD_ANY)
pixmp->field = V4L2_FIELD_NONE;
pixmp->num_planes = fmt->num_planes;
pixmp->flags = 0;
szimage = venus_helper_get_framesz(pixmp->pixelformat, pixmp->width,
pixmp->height);
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pfmt[0].sizeimage = szimage;
pfmt[0].bytesperline = ALIGN(pixmp->width, 128);
} else {
pfmt[0].sizeimage = clamp_t(u32, pfmt[0].sizeimage, 0, SZ_8M);
pfmt[0].sizeimage = max(pfmt[0].sizeimage, szimage);
pfmt[0].bytesperline = 0;
}
return fmt;
}
static int vdec_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct venus_inst *inst = to_inst(file);
vdec_try_fmt_common(inst, f);
return 0;
}
static int vdec_check_src_change(struct venus_inst *inst)
{
int ret;
if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE &&
inst->codec_state == VENUS_DEC_STATE_INIT &&
!inst->reconfig)
return -EINVAL;
if (inst->subscriptions & V4L2_EVENT_SOURCE_CHANGE)
return 0;
/*
* The code snippet below is a workaround for backward compatibility
* with applications which doesn't support V4L2 events. It will be
* dropped in future once those applications are fixed.
*/
if (inst->codec_state != VENUS_DEC_STATE_INIT)
goto done;
ret = wait_event_timeout(inst->reconf_wait, inst->reconfig,
msecs_to_jiffies(100));
if (!ret)
return -EINVAL;
if (!(inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) ||
!inst->reconfig)
dev_dbg(inst->core->dev, VDBGH "wrong state\n");
done:
return 0;
}
static int vdec_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt = NULL;
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
int ret;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
fmt = inst->fmt_cap;
else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
fmt = inst->fmt_out;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
ret = vdec_check_src_change(inst);
if (ret)
return ret;
}
pixmp->pixelformat = fmt->pixfmt;
if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pixmp->width = inst->width;
pixmp->height = inst->height;
pixmp->colorspace = inst->colorspace;
pixmp->ycbcr_enc = inst->ycbcr_enc;
pixmp->quantization = inst->quantization;
pixmp->xfer_func = inst->xfer_func;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pixmp->width = inst->out_width;
pixmp->height = inst->out_height;
}
vdec_try_fmt_common(inst, f);
return 0;
}
static int vdec_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
{
struct venus_inst *inst = to_inst(file);
struct v4l2_pix_format_mplane *pixmp = &f->fmt.pix_mp;
struct v4l2_pix_format_mplane orig_pixmp;
const struct venus_format *fmt;
struct v4l2_format format;
u32 pixfmt_out = 0, pixfmt_cap = 0;
struct vb2_queue *q;
q = v4l2_m2m_get_vq(inst->m2m_ctx, f->type);
if (!q)
return -EINVAL;
if (vb2_is_busy(q))
return -EBUSY;
orig_pixmp = *pixmp;
fmt = vdec_try_fmt_common(inst, f);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pixfmt_out = pixmp->pixelformat;
pixfmt_cap = inst->fmt_cap->pixfmt;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
pixfmt_cap = pixmp->pixelformat;
pixfmt_out = inst->fmt_out->pixfmt;
}
memset(&format, 0, sizeof(format));
format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
format.fmt.pix_mp.pixelformat = pixfmt_out;
format.fmt.pix_mp.width = orig_pixmp.width;
format.fmt.pix_mp.height = orig_pixmp.height;
vdec_try_fmt_common(inst, &format);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
inst->out_width = format.fmt.pix_mp.width;
inst->out_height = format.fmt.pix_mp.height;
inst->colorspace = pixmp->colorspace;
inst->ycbcr_enc = pixmp->ycbcr_enc;
inst->quantization = pixmp->quantization;
inst->xfer_func = pixmp->xfer_func;
inst->input_buf_size = pixmp->plane_fmt[0].sizeimage;
}
memset(&format, 0, sizeof(format));
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
format.fmt.pix_mp.pixelformat = pixfmt_cap;
format.fmt.pix_mp.width = orig_pixmp.width;
format.fmt.pix_mp.height = orig_pixmp.height;
vdec_try_fmt_common(inst, &format);
inst->width = format.fmt.pix_mp.width;
inst->height = format.fmt.pix_mp.height;
inst->crop.top = 0;
inst->crop.left = 0;
inst->crop.width = inst->width;
inst->crop.height = inst->height;
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
inst->fmt_out = fmt;
else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
inst->fmt_cap = fmt;
inst->output2_buf_size =
venus_helper_get_framesz(pixfmt_cap, orig_pixmp.width, orig_pixmp.height);
}
return 0;
}
static int
vdec_g_selection(struct file *file, void *fh, struct v4l2_selection *s)
{
struct venus_inst *inst = to_inst(file);
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
s->r.top = 0;
s->r.left = 0;
switch (s->target) {
case V4L2_SEL_TGT_CROP_BOUNDS:
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP:
if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
s->r.width = inst->out_width;
s->r.height = inst->out_height;
break;
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
case V4L2_SEL_TGT_COMPOSE_PADDED:
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
s->r.width = inst->width;
s->r.height = inst->height;
break;
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
case V4L2_SEL_TGT_COMPOSE:
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
s->r = inst->crop;
break;
default:
return -EINVAL;
}
return 0;
}
static int
vdec_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
{
strscpy(cap->driver, "qcom-venus", sizeof(cap->driver));
strscpy(cap->card, "Qualcomm Venus video decoder", sizeof(cap->card));
strscpy(cap->bus_info, "platform:qcom-venus", sizeof(cap->bus_info));
return 0;
}
static int vdec_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
memset(f->reserved, 0, sizeof(f->reserved));
fmt = find_format_by_index(inst, f->index, f->type);
if (!fmt)
return -EINVAL;
f->pixelformat = fmt->pixfmt;
f->flags = fmt->flags;
return 0;
}
static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
{
struct venus_inst *inst = to_inst(file);
struct v4l2_captureparm *cap = &a->parm.capture;
struct v4l2_fract *timeperframe = &cap->timeperframe;
u64 us_per_frame, fps;
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
return -EINVAL;
memset(cap->reserved, 0, sizeof(cap->reserved));
if (!timeperframe->denominator)
timeperframe->denominator = inst->timeperframe.denominator;
if (!timeperframe->numerator)
timeperframe->numerator = inst->timeperframe.numerator;
cap->readbuffers = 0;
cap->extendedmode = 0;
cap->capability = V4L2_CAP_TIMEPERFRAME;
us_per_frame = timeperframe->numerator * (u64)USEC_PER_SEC;
do_div(us_per_frame, timeperframe->denominator);
if (!us_per_frame)
return -EINVAL;
fps = (u64)USEC_PER_SEC;
do_div(fps, us_per_frame);
inst->fps = fps;
inst->timeperframe = *timeperframe;
return 0;
}
static int vdec_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
struct venus_inst *inst = to_inst(file);
const struct venus_format *fmt;
fmt = find_format(inst, fsize->pixel_format,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
if (!fmt) {
fmt = find_format(inst, fsize->pixel_format,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (!fmt)
return -EINVAL;
}
if (fsize->index)
return -EINVAL;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise.min_width = frame_width_min(inst);
fsize->stepwise.max_width = frame_width_max(inst);
fsize->stepwise.step_width = frame_width_step(inst);
fsize->stepwise.min_height = frame_height_min(inst);
fsize->stepwise.max_height = frame_height_max(inst);
fsize->stepwise.step_height = frame_height_step(inst);
return 0;
}
static int vdec_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
struct venus_inst *inst = container_of(fh, struct venus_inst, fh);
int ret;
switch (sub->type) {
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 2, NULL);
case V4L2_EVENT_SOURCE_CHANGE:
ret = v4l2_src_change_event_subscribe(fh, sub);
if (ret)
return ret;
inst->subscriptions |= V4L2_EVENT_SOURCE_CHANGE;
return 0;
case V4L2_EVENT_CTRL:
return v4l2_ctrl_subscribe_event(fh, sub);
default:
return -EINVAL;
}
}
static int
vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *cmd)
{
struct venus_inst *inst = to_inst(file);
struct vb2_queue *dst_vq;
struct hfi_frame_data fdata = {0};
int ret;
ret = v4l2_m2m_ioctl_try_decoder_cmd(file, fh, cmd);
if (ret)
return ret;
mutex_lock(&inst->lock);
if (cmd->cmd == V4L2_DEC_CMD_STOP) {
/*
* Implement V4L2_DEC_CMD_STOP by enqueue an empty buffer on
* decoder input to signal EOS.
*/
if (!(inst->streamon_out && inst->streamon_cap))
goto unlock;
fdata.buffer_type = HFI_BUFFER_INPUT;
fdata.flags |= HFI_BUFFERFLAG_EOS;
if (IS_V6(inst->core))
fdata.device_addr = 0;
else
fdata.device_addr = 0xdeadb000;
ret = hfi_session_process_buf(inst, &fdata);
if (!ret && inst->codec_state == VENUS_DEC_STATE_DECODING) {
inst->codec_state = VENUS_DEC_STATE_DRAIN;
inst->drain_active = true;
}
} else if (cmd->cmd == V4L2_DEC_CMD_START &&
inst->codec_state == VENUS_DEC_STATE_STOPPED) {
dst_vq = v4l2_m2m_get_vq(inst->fh.m2m_ctx,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
vb2_clear_last_buffer_dequeued(dst_vq);
inst->codec_state = VENUS_DEC_STATE_DECODING;
}
unlock:
mutex_unlock(&inst->lock);
return ret;
}
static const struct v4l2_ioctl_ops vdec_ioctl_ops = {
.vidioc_querycap = vdec_querycap,
.vidioc_enum_fmt_vid_cap = vdec_enum_fmt,
.vidioc_enum_fmt_vid_out = vdec_enum_fmt,
.vidioc_s_fmt_vid_cap_mplane = vdec_s_fmt,
.vidioc_s_fmt_vid_out_mplane = vdec_s_fmt,
.vidioc_g_fmt_vid_cap_mplane = vdec_g_fmt,
.vidioc_g_fmt_vid_out_mplane = vdec_g_fmt,
.vidioc_try_fmt_vid_cap_mplane = vdec_try_fmt,
.vidioc_try_fmt_vid_out_mplane = vdec_try_fmt,
.vidioc_g_selection = vdec_g_selection,
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
.vidioc_streamon = v4l2_m2m_ioctl_streamon,
.vidioc_streamoff = v4l2_m2m_ioctl_streamoff,
.vidioc_s_parm = vdec_s_parm,
.vidioc_enum_framesizes = vdec_enum_framesizes,
.vidioc_subscribe_event = vdec_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
.vidioc_try_decoder_cmd = v4l2_m2m_ioctl_try_decoder_cmd,
.vidioc_decoder_cmd = vdec_decoder_cmd,
};
static int vdec_pm_get(struct venus_inst *inst)
{
struct venus_core *core = inst->core;
struct device *dev = core->dev_dec;
int ret;
mutex_lock(&core->pm_lock);
ret = pm_runtime_resume_and_get(dev);
mutex_unlock(&core->pm_lock);
return ret;
}
static int vdec_pm_put(struct venus_inst *inst, bool autosuspend)
{
struct venus_core *core = inst->core;
struct device *dev = core->dev_dec;
int ret;
mutex_lock(&core->pm_lock);
if (autosuspend)
ret = pm_runtime_put_autosuspend(dev);
else
ret = pm_runtime_put_sync(dev);
mutex_unlock(&core->pm_lock);
return ret < 0 ? ret : 0;
}
static int vdec_pm_get_put(struct venus_inst *inst)
{
struct venus_core *core = inst->core;
struct device *dev = core->dev_dec;
int ret = 0;
mutex_lock(&core->pm_lock);
if (pm_runtime_suspended(dev)) {
ret = pm_runtime_resume_and_get(dev);
if (ret < 0)
goto error;
ret = pm_runtime_put_autosuspend(dev);
}
error:
mutex_unlock(&core->pm_lock);
return ret < 0 ? ret : 0;
}
static void vdec_pm_touch(struct venus_inst *inst)
{
pm_runtime_mark_last_busy(inst->core->dev_dec);
}
static int vdec_set_properties(struct venus_inst *inst)
{
struct vdec_controls *ctr = &inst->controls.dec;
struct hfi_enable en = { .enable = 1 };
u32 ptype, decode_order, conceal;
int ret;
if (ctr->post_loop_deb_mode) {
ptype = HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER;
ret = hfi_session_set_property(inst, ptype, &en);
if (ret)
return ret;
}
if (ctr->display_delay_enable && ctr->display_delay == 0) {
ptype = HFI_PROPERTY_PARAM_VDEC_OUTPUT_ORDER;
decode_order = HFI_OUTPUT_ORDER_DECODE;
ret = hfi_session_set_property(inst, ptype, &decode_order);
if (ret)
return ret;
}
ptype = HFI_PROPERTY_PARAM_VDEC_CONCEAL_COLOR;
conceal = ctr->conceal_color & 0xffff;
conceal |= ((ctr->conceal_color >> 16) & 0xffff) << 10;
conceal |= ((ctr->conceal_color >> 32) & 0xffff) << 20;
ret = hfi_session_set_property(inst, ptype, &conceal);
if (ret)
return ret;
return 0;
}
static int vdec_set_work_route(struct venus_inst *inst)
{
u32 ptype = HFI_PROPERTY_PARAM_WORK_ROUTE;
struct hfi_video_work_route wr;
if (!IS_V6(inst->core))
return 0;
wr.video_work_route = inst->core->res->num_vpp_pipes;
return hfi_session_set_property(inst, ptype, &wr);
}
#define is_ubwc_fmt(fmt) (!!((fmt) & HFI_COLOR_FORMAT_UBWC_BASE))
static int vdec_output_conf(struct venus_inst *inst)
{
struct venus_core *core = inst->core;
struct hfi_enable en = { .enable = 1 };
struct hfi_buffer_requirements bufreq;
u32 width = inst->width;
u32 height = inst->height;
u32 out_fmt, out2_fmt;
bool ubwc = false;
u32 ptype;
int ret;
ret = venus_helper_set_work_mode(inst);
if (ret)
return ret;
if (core->res->hfi_version == HFI_VERSION_1XX) {
ptype = HFI_PROPERTY_PARAM_VDEC_CONTINUE_DATA_TRANSFER;
ret = hfi_session_set_property(inst, ptype, &en);
if (ret)
return ret;
}
/* Force searching UBWC formats for bigger then HD resolutions */
if (width > 1920 && height > ALIGN(1080, 32))
ubwc = true;
/* For Venus v4/v6 UBWC format is mandatory */
if (IS_V4(core) || IS_V6(core))
ubwc = true;
ret = venus_helper_get_out_fmts(inst, inst->fmt_cap->pixfmt, &out_fmt,
&out2_fmt, ubwc);
if (ret)
return ret;
inst->output_buf_size =
venus_helper_get_framesz_raw(out_fmt, width, height);
inst->output2_buf_size =
venus_helper_get_framesz_raw(out2_fmt, width, height);
if (is_ubwc_fmt(out_fmt)) {
inst->opb_buftype = HFI_BUFFER_OUTPUT2;
inst->opb_fmt = out2_fmt;
inst->dpb_buftype = HFI_BUFFER_OUTPUT;
inst->dpb_fmt = out_fmt;
} else if (is_ubwc_fmt(out2_fmt)) {
inst->opb_buftype = HFI_BUFFER_OUTPUT;
inst->opb_fmt = out_fmt;
inst->dpb_buftype = HFI_BUFFER_OUTPUT2;
inst->dpb_fmt = out2_fmt;
} else {
inst->opb_buftype = HFI_BUFFER_OUTPUT;
inst->opb_fmt = out_fmt;
inst->dpb_buftype = 0;
inst->dpb_fmt = 0;
}
ret = venus_helper_set_raw_format(inst, inst->opb_fmt,
inst->opb_buftype);
if (ret)
return ret;
ret = venus_helper_set_format_constraints(inst);
if (ret)
return ret;
if (inst->dpb_fmt) {
ret = venus_helper_set_multistream(inst, false, true);
if (ret)
return ret;
ret = venus_helper_set_raw_format(inst, inst->dpb_fmt,
inst->dpb_buftype);
if (ret)
return ret;
ret = venus_helper_set_output_resolution(inst, width, height,
HFI_BUFFER_OUTPUT2);
if (ret)
return ret;
}
if (IS_V3(core) || IS_V4(core) || IS_V6(core)) {
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
if (ret)
return ret;
if (bufreq.size > inst->output_buf_size)
return -EINVAL;
if (inst->dpb_fmt) {
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT2,
&bufreq);
if (ret)
return ret;
if (bufreq.size > inst->output2_buf_size)
return -EINVAL;
}
if (inst->output2_buf_size) {
ret = venus_helper_set_bufsize(inst,
inst->output2_buf_size,
HFI_BUFFER_OUTPUT2);
if (ret)
return ret;
}
if (inst->output_buf_size) {
ret = venus_helper_set_bufsize(inst,
inst->output_buf_size,
HFI_BUFFER_OUTPUT);
if (ret)
return ret;
}
}
ret = venus_helper_set_dyn_bufmode(inst);
if (ret)
return ret;
return 0;
}
static int vdec_session_init(struct venus_inst *inst)
{
int ret;
ret = venus_helper_session_init(inst);
if (ret == -EALREADY)
return 0;
else if (ret)
return ret;
ret = venus_helper_set_input_resolution(inst, frame_width_min(inst),
frame_height_min(inst));
if (ret)
goto deinit;
return 0;
deinit:
hfi_session_deinit(inst);
return ret;
}
static int vdec_num_buffers(struct venus_inst *inst, unsigned int *in_num,
unsigned int *out_num)
{
enum hfi_version ver = inst->core->res->hfi_version;
struct hfi_buffer_requirements bufreq;
int ret;
*in_num = *out_num = 0;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
if (ret)
return ret;
*in_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
if (ret)
return ret;
*out_num = HFI_BUFREQ_COUNT_MIN(&bufreq, ver);
return 0;
}
static int vdec_queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct venus_inst *inst = vb2_get_drv_priv(q);
struct venus_core *core = inst->core;
unsigned int in_num, out_num;
int ret = 0;
if (*num_planes) {
unsigned int output_buf_size = venus_helper_get_opb_size(inst);
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
*num_planes != inst->fmt_out->num_planes)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
*num_planes != inst->fmt_cap->num_planes)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE &&
sizes[0] < inst->input_buf_size)
return -EINVAL;
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE &&
sizes[0] < output_buf_size)
return -EINVAL;
return 0;
}
if (test_bit(0, &core->sys_error)) {
if (inst->nonblock)
return -EAGAIN;
ret = wait_event_interruptible(core->sys_err_done,
!test_bit(0, &core->sys_error));
if (ret)
return ret;
}
ret = vdec_pm_get(inst);
if (ret)
return ret;
ret = vdec_session_init(inst);
if (ret)
goto put_power;
ret = vdec_num_buffers(inst, &in_num, &out_num);
if (ret)
goto put_power;
ret = vdec_pm_put(inst, false);
if (ret)
return ret;
switch (q->type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
*num_planes = inst->fmt_out->num_planes;
sizes[0] = venus_helper_get_framesz(inst->fmt_out->pixfmt,
inst->out_width,
inst->out_height);
sizes[0] = max(sizes[0], inst->input_buf_size);
inst->input_buf_size = sizes[0];
*num_buffers = max(*num_buffers, in_num);
inst->num_input_bufs = *num_buffers;
inst->num_output_bufs = out_num;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
*num_planes = inst->fmt_cap->num_planes;
sizes[0] = venus_helper_get_framesz(inst->fmt_cap->pixfmt,
inst->width,
inst->height);
inst->output_buf_size = sizes[0];
*num_buffers = max(*num_buffers, out_num);
inst->num_output_bufs = *num_buffers;
mutex_lock(&inst->lock);
if (inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP)
inst->codec_state = VENUS_DEC_STATE_STOPPED;
mutex_unlock(&inst->lock);
break;
default:
ret = -EINVAL;
break;
}
return ret;
put_power:
vdec_pm_put(inst, false);
return ret;
}
static int vdec_verify_conf(struct venus_inst *inst)
{
enum hfi_version ver = inst->core->res->hfi_version;
struct hfi_buffer_requirements bufreq;
int ret;
if (!inst->num_input_bufs || !inst->num_output_bufs)
return -EINVAL;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq);
if (ret)
return ret;
if (inst->num_output_bufs < bufreq.count_actual ||
inst->num_output_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
return -EINVAL;
ret = venus_helper_get_bufreq(inst, HFI_BUFFER_INPUT, &bufreq);
if (ret)
return ret;
if (inst->num_input_bufs < HFI_BUFREQ_COUNT_MIN(&bufreq, ver))
return -EINVAL;
return 0;
}
static int vdec_start_capture(struct venus_inst *inst)
{
int ret;
if (!inst->streamon_out)
return 0;
if (inst->codec_state == VENUS_DEC_STATE_DECODING) {
if (inst->reconfig)
goto reconfigure;
venus_helper_queue_dpb_bufs(inst);
venus_helper_process_initial_cap_bufs(inst);
inst->streamon_cap = 1;
return 0;
}
if (inst->codec_state != VENUS_DEC_STATE_STOPPED)
return 0;
reconfigure:
ret = vdec_output_conf(inst);
if (ret)
return ret;
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
VB2_MAX_FRAME, VB2_MAX_FRAME);
if (ret)
return ret;
ret = venus_helper_intbufs_realloc(inst);
if (ret)
goto err;
venus_pm_load_scale(inst);
inst->next_buf_last = false;
ret = venus_helper_alloc_dpb_bufs(inst);
if (ret)
goto err;
ret = hfi_session_continue(inst);
if (ret)
goto free_dpb_bufs;
ret = venus_helper_queue_dpb_bufs(inst);
if (ret)
goto free_dpb_bufs;
ret = venus_helper_process_initial_cap_bufs(inst);
if (ret)
goto free_dpb_bufs;
inst->codec_state = VENUS_DEC_STATE_DECODING;
if (inst->drain_active)
inst->codec_state = VENUS_DEC_STATE_DRAIN;
inst->streamon_cap = 1;
inst->sequence_cap = 0;
inst->reconfig = false;
inst->drain_active = false;
return 0;
free_dpb_bufs:
venus_helper_free_dpb_bufs(inst);
err:
return ret;
}
static int vdec_start_output(struct venus_inst *inst)
{
int ret;
if (inst->codec_state == VENUS_DEC_STATE_SEEK) {
ret = venus_helper_process_initial_out_bufs(inst);
if (inst->next_buf_last)
inst->codec_state = VENUS_DEC_STATE_DRC;
else
inst->codec_state = VENUS_DEC_STATE_DECODING;
goto done;
}
if (inst->codec_state == VENUS_DEC_STATE_INIT ||
inst->codec_state == VENUS_DEC_STATE_CAPTURE_SETUP) {
ret = venus_helper_process_initial_out_bufs(inst);
goto done;
}
if (inst->codec_state != VENUS_DEC_STATE_DEINIT)
return -EINVAL;
venus_helper_init_instance(inst);
inst->sequence_out = 0;
inst->reconfig = false;
inst->next_buf_last = false;
ret = vdec_set_properties(inst);
if (ret)
return ret;
ret = vdec_set_work_route(inst);
if (ret)
return ret;
ret = vdec_output_conf(inst);
if (ret)
return ret;
ret = vdec_verify_conf(inst);
if (ret)
return ret;
ret = venus_helper_set_num_bufs(inst, inst->num_input_bufs,
VB2_MAX_FRAME, VB2_MAX_FRAME);
if (ret)
return ret;
ret = venus_helper_vb2_start_streaming(inst);
if (ret)
return ret;
ret = venus_helper_process_initial_out_bufs(inst);
if (ret)
return ret;
inst->codec_state = VENUS_DEC_STATE_INIT;
done:
inst->streamon_out = 1;
return ret;
}
static int vdec_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct venus_inst *inst = vb2_get_drv_priv(q);
int ret;
mutex_lock(&inst->lock);
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
ret = vdec_start_capture(inst);
} else {
ret = vdec_pm_get(inst);
if (ret)
goto error;
ret = venus_pm_acquire_core(inst);
if (ret)
goto put_power;
ret = vdec_pm_put(inst, true);
if (ret)
goto error;
ret = vdec_start_output(inst);
}
if (ret)
goto error;
mutex_unlock(&inst->lock);
return 0;
put_power:
vdec_pm_put(inst, false);
error:
venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_QUEUED);
mutex_unlock(&inst->lock);
return ret;
}
static void vdec_cancel_dst_buffers(struct venus_inst *inst)
{
struct vb2_v4l2_buffer *buf;
while ((buf = v4l2_m2m_dst_buf_remove(inst->m2m_ctx)))
v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
}
static int vdec_stop_capture(struct venus_inst *inst)
{
int ret = 0;
switch (inst->codec_state) {
case VENUS_DEC_STATE_DECODING:
ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
fallthrough;
case VENUS_DEC_STATE_DRAIN:
inst->codec_state = VENUS_DEC_STATE_STOPPED;
inst->drain_active = false;
fallthrough;
case VENUS_DEC_STATE_SEEK:
vdec_cancel_dst_buffers(inst);
break;
case VENUS_DEC_STATE_DRC:
ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, true);
inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
venus_helper_free_dpb_bufs(inst);
break;
default:
break;
}
return ret;
}
static int vdec_stop_output(struct venus_inst *inst)
{
int ret = 0;
switch (inst->codec_state) {
case VENUS_DEC_STATE_DECODING:
case VENUS_DEC_STATE_DRAIN:
case VENUS_DEC_STATE_STOPPED:
case VENUS_DEC_STATE_DRC:
ret = hfi_session_flush(inst, HFI_FLUSH_ALL, true);
inst->codec_state = VENUS_DEC_STATE_SEEK;
break;
case VENUS_DEC_STATE_INIT:
case VENUS_DEC_STATE_CAPTURE_SETUP:
ret = hfi_session_flush(inst, HFI_FLUSH_INPUT, true);
break;
default:
break;
}
return ret;
}
static void vdec_stop_streaming(struct vb2_queue *q)
{
struct venus_inst *inst = vb2_get_drv_priv(q);
int ret = -EINVAL;
vdec_pm_get_put(inst);
mutex_lock(&inst->lock);
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
ret = vdec_stop_capture(inst);
else
ret = vdec_stop_output(inst);
venus_helper_buffers_done(inst, q->type, VB2_BUF_STATE_ERROR);
inst->session_error = 0;
if (ret)
goto unlock;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
inst->streamon_out = 0;
else
inst->streamon_cap = 0;
unlock:
mutex_unlock(&inst->lock);
}
static void vdec_session_release(struct venus_inst *inst)
{
struct venus_core *core = inst->core;
int ret, abort = 0;
vdec_pm_get(inst);
mutex_lock(&inst->lock);
inst->codec_state = VENUS_DEC_STATE_DEINIT;
ret = hfi_session_stop(inst);
abort = (ret && ret != -EINVAL) ? 1 : 0;
ret = hfi_session_unload_res(inst);
abort = (ret && ret != -EINVAL) ? 1 : 0;
ret = venus_helper_unregister_bufs(inst);
abort = (ret && ret != -EINVAL) ? 1 : 0;
ret = venus_helper_intbufs_free(inst);
abort = (ret && ret != -EINVAL) ? 1 : 0;
ret = hfi_session_deinit(inst);
abort = (ret && ret != -EINVAL) ? 1 : 0;
if (inst->session_error || test_bit(0, &core->sys_error))
abort = 1;
if (abort)
hfi_session_abort(inst);
venus_helper_free_dpb_bufs(inst);
venus_pm_load_scale(inst);
INIT_LIST_HEAD(&inst->registeredbufs);
mutex_unlock(&inst->lock);
venus_pm_release_core(inst);
vdec_pm_put(inst, false);
}
static int vdec_buf_init(struct vb2_buffer *vb)
{
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
inst->buf_count++;
return venus_helper_vb2_buf_init(vb);
}
static void vdec_buf_cleanup(struct vb2_buffer *vb)
{
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct venus_buffer *buf = to_venus_buffer(vbuf);
mutex_lock(&inst->lock);
if (vb->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
if (!list_empty(&inst->registeredbufs))
list_del_init(&buf->reg_list);
mutex_unlock(&inst->lock);
inst->buf_count--;
if (!inst->buf_count)
vdec_session_release(inst);
}
static void vdec_vb2_buf_queue(struct vb2_buffer *vb)
{
struct venus_inst *inst = vb2_get_drv_priv(vb->vb2_queue);
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
static const struct v4l2_event eos = { .type = V4L2_EVENT_EOS };
vdec_pm_get_put(inst);
mutex_lock(&inst->lock);
if (inst->next_buf_last && V4L2_TYPE_IS_CAPTURE(vb->vb2_queue->type) &&
inst->codec_state == VENUS_DEC_STATE_DRC) {
vbuf->flags |= V4L2_BUF_FLAG_LAST;
vbuf->sequence = inst->sequence_cap++;
vbuf->field = V4L2_FIELD_NONE;
vb2_set_plane_payload(vb, 0, 0);
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
v4l2_event_queue_fh(&inst->fh, &eos);
inst->next_buf_last = false;
mutex_unlock(&inst->lock);
return;
}
venus_helper_vb2_buf_queue(vb);
mutex_unlock(&inst->lock);
}
static const struct vb2_ops vdec_vb2_ops = {
.queue_setup = vdec_queue_setup,
.buf_init = vdec_buf_init,
.buf_cleanup = vdec_buf_cleanup,
.buf_prepare = venus_helper_vb2_buf_prepare,
.start_streaming = vdec_start_streaming,
.stop_streaming = vdec_stop_streaming,
.buf_queue = vdec_vb2_buf_queue,
};
static void vdec_buf_done(struct venus_inst *inst, unsigned int buf_type,
u32 tag, u32 bytesused, u32 data_offset, u32 flags,
u32 hfi_flags, u64 timestamp_us)
{
enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
struct vb2_v4l2_buffer *vbuf;
struct vb2_buffer *vb;
unsigned int type;
vdec_pm_touch(inst);
if (buf_type == HFI_BUFFER_INPUT)
type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
else
type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
vbuf = venus_helper_find_buf(inst, type, tag);
if (!vbuf) {
venus_helper_change_dpb_owner(inst, vbuf, type, buf_type, tag);
return;
}
vbuf->flags = flags;
vbuf->field = V4L2_FIELD_NONE;
vb = &vbuf->vb2_buf;
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
vb2_set_plane_payload(vb, 0, bytesused);
vb->planes[0].data_offset = data_offset;
vb->timestamp = timestamp_us * NSEC_PER_USEC;
vbuf->sequence = inst->sequence_cap++;
if (vbuf->flags & V4L2_BUF_FLAG_LAST) {
const struct v4l2_event ev = { .type = V4L2_EVENT_EOS };
v4l2_event_queue_fh(&inst->fh, &ev);
if (inst->codec_state == VENUS_DEC_STATE_DRAIN) {
inst->drain_active = false;
inst->codec_state = VENUS_DEC_STATE_STOPPED;
}
}
if (!bytesused)
state = VB2_BUF_STATE_ERROR;
} else {
vbuf->sequence = inst->sequence_out++;
}
venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);
if (hfi_flags & HFI_BUFFERFLAG_READONLY)
venus_helper_acquire_buf_ref(vbuf);
if (hfi_flags & HFI_BUFFERFLAG_DATACORRUPT)
state = VB2_BUF_STATE_ERROR;
if (hfi_flags & HFI_BUFFERFLAG_DROP_FRAME) {
state = VB2_BUF_STATE_ERROR;
vb2_set_plane_payload(vb, 0, 0);
vb->timestamp = 0;
}
v4l2_m2m_buf_done(vbuf, state);
}
static void vdec_event_change(struct venus_inst *inst,
struct hfi_event_data *ev_data, bool sufficient)
{
static const struct v4l2_event ev = {
.type = V4L2_EVENT_SOURCE_CHANGE,
.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION };
struct device *dev = inst->core->dev_dec;
struct v4l2_format format = {};
mutex_lock(&inst->lock);
format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
format.fmt.pix_mp.pixelformat = inst->fmt_cap->pixfmt;
format.fmt.pix_mp.width = ev_data->width;
format.fmt.pix_mp.height = ev_data->height;
vdec_try_fmt_common(inst, &format);
inst->width = format.fmt.pix_mp.width;
inst->height = format.fmt.pix_mp.height;
/*
* Some versions of the firmware do not report crop information for
* all codecs. For these cases, set the crop to the coded resolution.
*/
if (ev_data->input_crop.width > 0 && ev_data->input_crop.height > 0) {
inst->crop.left = ev_data->input_crop.left;
inst->crop.top = ev_data->input_crop.top;
inst->crop.width = ev_data->input_crop.width;
inst->crop.height = ev_data->input_crop.height;
} else {
inst->crop.left = 0;
inst->crop.top = 0;
inst->crop.width = ev_data->width;
inst->crop.height = ev_data->height;
}
inst->fw_min_cnt = ev_data->buf_count;
/* overwriting this to 11 for vp9 due to fw bug */
if (inst->hfi_codec == HFI_VIDEO_CODEC_VP9)
inst->fw_min_cnt = 11;
inst->out_width = ev_data->width;
inst->out_height = ev_data->height;
if (inst->bit_depth != ev_data->bit_depth)
inst->bit_depth = ev_data->bit_depth;
if (inst->pic_struct != ev_data->pic_struct)
inst->pic_struct = ev_data->pic_struct;
dev_dbg(dev, VDBGM "event %s sufficient resources (%ux%u)\n",
sufficient ? "" : "not", ev_data->width, ev_data->height);
switch (inst->codec_state) {
case VENUS_DEC_STATE_INIT:
inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;
break;
case VENUS_DEC_STATE_DECODING:
case VENUS_DEC_STATE_DRAIN:
inst->codec_state = VENUS_DEC_STATE_DRC;
break;
default:
break;
}
/*
* The assumption is that the firmware have to return the last buffer
* before this event is received in the v4l2 driver. Also the firmware
* itself doesn't mark the last decoder output buffer with HFI EOS flag.
*/
if (inst->codec_state == VENUS_DEC_STATE_DRC) {
int ret;
inst->next_buf_last = true;
ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT, false);
if (ret)
dev_dbg(dev, VDBGH "flush output error %d\n", ret);
}
inst->next_buf_last = true;
inst->reconfig = true;
v4l2_event_queue_fh(&inst->fh, &ev);
wake_up(&inst->reconf_wait);
mutex_unlock(&inst->lock);
}
static void vdec_event_notify(struct venus_inst *inst, u32 event,
struct hfi_event_data *data)
{
struct venus_core *core = inst->core;
struct device *dev = core->dev_dec;
vdec_pm_touch(inst);
switch (event) {
case EVT_SESSION_ERROR:
inst->session_error = true;
venus_helper_vb2_queue_error(inst);
dev_err(dev, "dec: event session error %x\n", inst->error);
break;
case EVT_SYS_EVENT_CHANGE:
switch (data->event_type) {
case HFI_EVENT_DATA_SEQUENCE_CHANGED_SUFFICIENT_BUF_RESOURCES:
vdec_event_change(inst, data, true);
break;
case HFI_EVENT_DATA_SEQUENCE_CHANGED_INSUFFICIENT_BUF_RESOURCES:
vdec_event_change(inst, data, false);
break;
case HFI_EVENT_RELEASE_BUFFER_REFERENCE:
venus_helper_release_buf_ref(inst, data->tag);
break;
default:
break;
}
break;
default:
break;
}
}
static void vdec_flush_done(struct venus_inst *inst)
{
dev_dbg(inst->core->dev_dec, VDBGH "flush done\n");
}
static const struct hfi_inst_ops vdec_hfi_ops = {
.buf_done = vdec_buf_done,
.event_notify = vdec_event_notify,
.flush_done = vdec_flush_done,
};
static void vdec_inst_init(struct venus_inst *inst)
{
inst->hfi_codec = HFI_VIDEO_CODEC_H264;
inst->fmt_out = &vdec_formats[8];
inst->fmt_cap = &vdec_formats[0];
inst->width = frame_width_min(inst);
inst->height = ALIGN(frame_height_min(inst), 32);
inst->crop.left = 0;
inst->crop.top = 0;
inst->crop.width = inst->width;
inst->crop.height = inst->height;
inst->fw_min_cnt = 8;
inst->out_width = frame_width_min(inst);
inst->out_height = frame_height_min(inst);
inst->fps = 30;
inst->timeperframe.numerator = 1;
inst->timeperframe.denominator = 30;
inst->opb_buftype = HFI_BUFFER_OUTPUT;
}
static void vdec_m2m_device_run(void *priv)
{
}
static const struct v4l2_m2m_ops vdec_m2m_ops = {
.device_run = vdec_m2m_device_run,
.job_abort = venus_helper_m2m_job_abort,
};
static int m2m_queue_init(void *priv, struct vb2_queue *src_vq,
struct vb2_queue *dst_vq)
{
struct venus_inst *inst = priv;
int ret;
src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
src_vq->ops = &vdec_vb2_ops;
src_vq->mem_ops = &vb2_dma_contig_memops;
src_vq->drv_priv = inst;
src_vq->buf_struct_size = sizeof(struct venus_buffer);
src_vq->allow_zero_bytesused = 1;
src_vq->min_buffers_needed = 0;
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_contig_memops;
dst_vq->drv_priv = inst;
dst_vq->buf_struct_size = sizeof(struct venus_buffer);
dst_vq->allow_zero_bytesused = 1;
dst_vq->min_buffers_needed = 0;
dst_vq->dev = inst->core->dev;
return vb2_queue_init(dst_vq);
}
static int vdec_open(struct file *file)
{
struct venus_core *core = video_drvdata(file);
struct venus_inst *inst;
int ret;
inst = kzalloc(sizeof(*inst), GFP_KERNEL);
if (!inst)
return -ENOMEM;
INIT_LIST_HEAD(&inst->dpbbufs);
INIT_LIST_HEAD(&inst->registeredbufs);
INIT_LIST_HEAD(&inst->internalbufs);
INIT_LIST_HEAD(&inst->list);
mutex_init(&inst->lock);
inst->core = core;
inst->session_type = VIDC_SESSION_TYPE_DEC;
inst->num_output_bufs = 1;
inst->codec_state = VENUS_DEC_STATE_DEINIT;
inst->buf_count = 0;
inst->clk_data.core_id = VIDC_CORE_ID_DEFAULT;
inst->core_acquired = false;
inst->bit_depth = VIDC_BITDEPTH_8;
inst->pic_struct = HFI_INTERLACE_FRAME_PROGRESSIVE;
init_waitqueue_head(&inst->reconf_wait);
inst->nonblock = file->f_flags & O_NONBLOCK;
venus_helper_init_instance(inst);
ret = vdec_ctrl_init(inst);
if (ret)
goto err_free;
ret = hfi_session_create(inst, &vdec_hfi_ops);
if (ret)
goto err_ctrl_deinit;
vdec_inst_init(inst);
ida_init(&inst->dpb_ids);
/*
* create m2m device for every instance, the m2m context scheduling
* is made by firmware side so we do not need to care about.
*/
inst->m2m_dev = v4l2_m2m_init(&vdec_m2m_ops);
if (IS_ERR(inst->m2m_dev)) {
ret = PTR_ERR(inst->m2m_dev);
goto err_session_destroy;
}
inst->m2m_ctx = v4l2_m2m_ctx_init(inst->m2m_dev, inst, m2m_queue_init);
if (IS_ERR(inst->m2m_ctx)) {
ret = PTR_ERR(inst->m2m_ctx);
goto err_m2m_release;
}
v4l2_fh_init(&inst->fh, core->vdev_dec);
inst->fh.ctrl_handler = &inst->ctrl_handler;
v4l2_fh_add(&inst->fh);
inst->fh.m2m_ctx = inst->m2m_ctx;
file->private_data = &inst->fh;
return 0;
err_m2m_release:
v4l2_m2m_release(inst->m2m_dev);
err_session_destroy:
hfi_session_destroy(inst);
err_ctrl_deinit:
vdec_ctrl_deinit(inst);
err_free:
kfree(inst);
return ret;
}
static int vdec_close(struct file *file)
{
struct venus_inst *inst = to_inst(file);
vdec_pm_get(inst);
v4l2_m2m_ctx_release(inst->m2m_ctx);
v4l2_m2m_release(inst->m2m_dev);
vdec_ctrl_deinit(inst);
ida_destroy(&inst->dpb_ids);
hfi_session_destroy(inst);
mutex_destroy(&inst->lock);
v4l2_fh_del(&inst->fh);
v4l2_fh_exit(&inst->fh);
vdec_pm_put(inst, false);
kfree(inst);
return 0;
}
static const struct v4l2_file_operations vdec_fops = {
.owner = THIS_MODULE,
.open = vdec_open,
.release = vdec_close,
.unlocked_ioctl = video_ioctl2,
.poll = v4l2_m2m_fop_poll,
.mmap = v4l2_m2m_fop_mmap,
};
static int vdec_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct video_device *vdev;
struct venus_core *core;
int ret;
if (!dev->parent)
return -EPROBE_DEFER;
core = dev_get_drvdata(dev->parent);
if (!core)
return -EPROBE_DEFER;
platform_set_drvdata(pdev, core);
if (core->pm_ops->vdec_get) {
ret = core->pm_ops->vdec_get(dev);
if (ret)
return ret;
}
vdev = video_device_alloc();
if (!vdev)
return -ENOMEM;
strscpy(vdev->name, "qcom-venus-decoder", sizeof(vdev->name));
vdev->release = video_device_release;
vdev->fops = &vdec_fops;
vdev->ioctl_ops = &vdec_ioctl_ops;
vdev->vfl_dir = VFL_DIR_M2M;
vdev->v4l2_dev = &core->v4l2_dev;
vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (ret)
goto err_vdev_release;
core->vdev_dec = vdev;
core->dev_dec = dev;
video_set_drvdata(vdev, core);
pm_runtime_set_autosuspend_delay(dev, 2000);
pm_runtime_use_autosuspend(dev);
pm_runtime_enable(dev);
return 0;
err_vdev_release:
video_device_release(vdev);
return ret;
}
static 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);
if (core->pm_ops->vdec_put)
core->pm_ops->vdec_put(core->dev_dec);
return 0;
}
static __maybe_unused int vdec_runtime_suspend(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
const struct venus_pm_ops *pm_ops = core->pm_ops;
int ret = 0;
if (pm_ops->vdec_power)
ret = pm_ops->vdec_power(dev, POWER_OFF);
return ret;
}
static __maybe_unused int vdec_runtime_resume(struct device *dev)
{
struct venus_core *core = dev_get_drvdata(dev);
const struct venus_pm_ops *pm_ops = core->pm_ops;
int ret = 0;
if (pm_ops->vdec_power)
ret = pm_ops->vdec_power(dev, POWER_ON);
return ret;
}
static const struct dev_pm_ops vdec_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(vdec_runtime_suspend, vdec_runtime_resume, NULL)
};
static const struct of_device_id vdec_dt_match[] = {
{ .compatible = "venus-decoder" },
{ }
};
MODULE_DEVICE_TABLE(of, vdec_dt_match);
static struct platform_driver qcom_venus_dec_driver = {
.probe = vdec_probe,
.remove = 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");