diff options
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_common.c')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_common.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_common.c b/drivers/media/platform/qcom/iris/iris_common.c new file mode 100644 index 000000000000..9fc663bdaf3f --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_common.c @@ -0,0 +1,232 @@ +// 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; +} |