From 38fc8beaba55e06c8831f21a96ec5e33e2f1978f Mon Sep 17 00:00:00 2001 From: Dikshita Agarwal Date: Fri, 7 Feb 2025 13:24:49 +0530 Subject: media: iris: implement reqbuf ioctl with vb2_queue_setup Implement the reqbuf IOCTL op and the vb2_queue_setup vb2 op in the driver with necessary hooks. Reviewed-by: Hans Verkuil Tested-by: Stefan Schmidt # x1e80100 (Dell XPS 13 9345) Reviewed-by: Stefan Schmidt Tested-by: Neil Armstrong # on SM8550-QRD Tested-by: Neil Armstrong # on SM8550-HDK Signed-off-by: Dikshita Agarwal Signed-off-by: Hans Verkuil --- drivers/media/platform/qcom/iris/iris_utils.c | 52 +++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 drivers/media/platform/qcom/iris/iris_utils.c (limited to 'drivers/media/platform/qcom/iris/iris_utils.c') diff --git a/drivers/media/platform/qcom/iris/iris_utils.c b/drivers/media/platform/qcom/iris/iris_utils.c new file mode 100644 index 000000000000..d5c8e052922c --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_utils.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include + +#include "iris_instance.h" +#include "iris_utils.h" + +int iris_get_mbpf(struct iris_inst *inst) +{ + struct v4l2_format *inp_f = inst->fmt_src; + u32 height = max(inp_f->fmt.pix_mp.height, inst->crop.height); + u32 width = max(inp_f->fmt.pix_mp.width, inst->crop.width); + + return NUM_MBS_PER_FRAME(height, width); +} + +int iris_wait_for_session_response(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + u32 hw_response_timeout_val; + int ret; + + hw_response_timeout_val = core->iris_platform_data->hw_response_timeout; + + mutex_unlock(&inst->lock); + ret = wait_for_completion_timeout(&inst->completion, + msecs_to_jiffies(hw_response_timeout_val)); + mutex_lock(&inst->lock); + if (!ret) + return -ETIMEDOUT; + + return 0; +} + +struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id) +{ + struct iris_inst *inst; + + mutex_lock(&core->lock); + list_for_each_entry(inst, &core->instances, list) { + if (inst->session_id == session_id) { + mutex_unlock(&core->lock); + return inst; + } + } + + mutex_unlock(&core->lock); + return NULL; +} -- cgit v1.2.3