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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <media/v4l2-mem2mem.h>
#include "iris_common.h"
#include "iris_ctrls.h"
#include "iris_instance.h"
#include "iris_power.h"
int iris_vb2_buffer_to_driver(struct vb2_buffer *vb2, struct iris_buffer *buf)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
buf->type = iris_v4l2_type_to_driver(vb2->type);
buf->index = vb2->index;
buf->fd = vb2->planes[0].m.fd;
buf->buffer_size = vb2->planes[0].length;
buf->data_offset = vb2->planes[0].data_offset;
buf->data_size = vb2->planes[0].bytesused - vb2->planes[0].data_offset;
buf->flags = vbuf->flags;
buf->timestamp = vb2->timestamp;
buf->attr = 0;
return 0;
}
void iris_set_ts_metadata(struct iris_inst *inst, struct vb2_v4l2_buffer *vbuf)
{
u32 mask = V4L2_BUF_FLAG_TIMECODE | V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
struct vb2_buffer *vb = &vbuf->vb2_buf;
u64 ts_us = vb->timestamp;
if (inst->metadata_idx >= ARRAY_SIZE(inst->tss))
inst->metadata_idx = 0;
do_div(ts_us, NSEC_PER_USEC);
inst->tss[inst->metadata_idx].flags = vbuf->flags & mask;
inst->tss[inst->metadata_idx].tc = vbuf->timecode;
inst->tss[inst->metadata_idx].ts_us = ts_us;
inst->tss[inst->metadata_idx].ts_ns = vb->timestamp;
inst->metadata_idx++;
}
int iris_process_streamon_input(struct iris_inst *inst)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
enum iris_inst_sub_state set_sub_state = 0;
int ret;
iris_scale_power(inst);
ret = hfi_ops->session_start(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (ret)
return ret;
if (inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) {
ret = iris_inst_change_sub_state(inst, IRIS_INST_SUB_INPUT_PAUSE, 0);
if (ret)
return ret;
}
if (inst->domain == DECODER &&
(inst->sub_state & IRIS_INST_SUB_DRC ||
inst->sub_state & IRIS_INST_SUB_DRAIN ||
inst->sub_state & IRIS_INST_SUB_FIRST_IPSC)) {
if (!(inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE)) {
if (hfi_ops->session_pause) {
ret = hfi_ops->session_pause(inst,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (ret)
return ret;
}
set_sub_state = IRIS_INST_SUB_INPUT_PAUSE;
}
}
ret = iris_inst_state_change_streamon(inst, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (ret)
return ret;
inst->last_buffer_dequeued = false;
return iris_inst_change_sub_state(inst, 0, set_sub_state);
}
int iris_process_streamon_output(struct iris_inst *inst)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
bool drain_active = false, drc_active = false;
enum iris_inst_sub_state clear_sub_state = 0;
int ret = 0;
iris_scale_power(inst);
drain_active = inst->sub_state & IRIS_INST_SUB_DRAIN &&
inst->sub_state & IRIS_INST_SUB_DRAIN_LAST;
drc_active = inst->sub_state & IRIS_INST_SUB_DRC &&
inst->sub_state & IRIS_INST_SUB_DRC_LAST;
if (drc_active)
clear_sub_state = IRIS_INST_SUB_DRC | IRIS_INST_SUB_DRC_LAST;
else if (drain_active)
clear_sub_state = IRIS_INST_SUB_DRAIN | IRIS_INST_SUB_DRAIN_LAST;
if (inst->domain == DECODER && inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) {
ret = iris_alloc_and_queue_input_int_bufs(inst);
if (ret)
return ret;
ret = iris_set_stage(inst, STAGE);
if (ret)
return ret;
ret = iris_set_pipe(inst, PIPE);
if (ret)
return ret;
}
if (inst->state == IRIS_INST_INPUT_STREAMING &&
inst->sub_state & IRIS_INST_SUB_INPUT_PAUSE) {
if (!drain_active)
ret = hfi_ops->session_resume_drc(inst,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
else if (hfi_ops->session_resume_drain)
ret = hfi_ops->session_resume_drain(inst,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
if (ret)
return ret;
clear_sub_state |= IRIS_INST_SUB_INPUT_PAUSE;
}
if (inst->sub_state & IRIS_INST_SUB_FIRST_IPSC)
clear_sub_state |= IRIS_INST_SUB_FIRST_IPSC;
ret = hfi_ops->session_start(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
if (ret)
return ret;
if (inst->sub_state & IRIS_INST_SUB_OUTPUT_PAUSE)
clear_sub_state |= IRIS_INST_SUB_OUTPUT_PAUSE;
ret = iris_inst_state_change_streamon(inst, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
if (ret)
return ret;
inst->last_buffer_dequeued = false;
return iris_inst_change_sub_state(inst, clear_sub_state, 0);
}
static void iris_flush_deferred_buffers(struct iris_inst *inst,
enum iris_buffer_type type)
{
struct v4l2_m2m_ctx *m2m_ctx = inst->m2m_ctx;
struct v4l2_m2m_buffer *buffer, *n;
struct iris_buffer *buf;
if (type == BUF_INPUT) {
v4l2_m2m_for_each_src_buf_safe(m2m_ctx, buffer, n) {
buf = to_iris_buffer(&buffer->vb);
if (buf->attr & BUF_ATTR_DEFERRED) {
if (!(buf->attr & BUF_ATTR_BUFFER_DONE)) {
buf->attr |= BUF_ATTR_BUFFER_DONE;
buf->data_size = 0;
iris_vb2_buffer_done(inst, buf);
}
}
}
} else {
v4l2_m2m_for_each_dst_buf_safe(m2m_ctx, buffer, n) {
buf = to_iris_buffer(&buffer->vb);
if (buf->attr & BUF_ATTR_DEFERRED) {
if (!(buf->attr & BUF_ATTR_BUFFER_DONE)) {
buf->attr |= BUF_ATTR_BUFFER_DONE;
buf->data_size = 0;
iris_vb2_buffer_done(inst, buf);
}
}
}
}
}
static void iris_kill_session(struct iris_inst *inst)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
if (!inst->session_id)
return;
hfi_ops->session_close(inst);
iris_inst_change_state(inst, IRIS_INST_ERROR);
}
int iris_session_streamoff(struct iris_inst *inst, u32 plane)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
enum iris_buffer_type buffer_type;
int ret;
switch (plane) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE:
buffer_type = BUF_INPUT;
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE:
buffer_type = BUF_OUTPUT;
break;
default:
return -EINVAL;
}
ret = hfi_ops->session_stop(inst, plane);
if (ret)
goto error;
ret = iris_inst_state_change_streamoff(inst, plane);
if (ret)
goto error;
iris_flush_deferred_buffers(inst, buffer_type);
return 0;
error:
iris_kill_session(inst);
iris_flush_deferred_buffers(inst, buffer_type);
return ret;
}
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