Commit fa186c97 authored by Dikshita Agarwal's avatar Dikshita Agarwal Committed by Hans Verkuil
Browse files

media: iris: implement iris v4l2 file ops 



Implement open, close and poll ops.

Open:
Configure the vb2 queue and v4l2 file handler. Allocate a video instance
and add the instance to core instance list.

Close:
Free the instance and remove it from core instance list.

Poll:
Wait for an event on vb2 src and vb2 dst queues.

Reviewed-by: default avatarBryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: default avatarStefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: default avatarDikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
parent 38506cb7

drivers/media/platform/qcom/iris/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ config VIDEO_QCOM_IRIS 
        tristate "Qualcomm iris V4L2 decoder driver"

        depends on VIDEO_DEV

        depends on ARCH_QCOM || COMPILE_TEST

        select V4L2_MEM2MEM_DEV

        help

          This is a V4L2 driver for Qualcomm iris video accelerator

          hardware. It accelerates decoding operations on various

drivers/media/platform/qcom/iris/Makefile

+4 −1
Original line number Diff line number Diff line 
iris-objs += iris_platform_sm8550.o \

iris-objs += iris_hfi_gen1_command.o \

             iris_hfi_gen2_command.o \

             iris_platform_sm8550.o \

             iris_probe.o \

             iris_vidc.o \



obj-$(CONFIG_VIDEO_QCOM_IRIS) += iris.o

drivers/media/platform/qcom/iris/iris_core.h

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ struct icc_info { 
 * @irq: iris irq

 * @v4l2_dev: a holder for v4l2 device structure

 * @vdev_dec: iris video device structure for decoder

 * @iris_v4l2_file_ops: iris v4l2 file ops

 * @icc_tbl: table of iris interconnects

 * @icc_count: count of iris interconnects

 * @pmdomain_tbl: table of iris power domains
@@ -41,6 +42,7 @@ struct iris_core { 
	int					irq;

	struct v4l2_device			v4l2_dev;

	struct video_device			*vdev_dec;

	const struct v4l2_file_operations	*iris_v4l2_file_ops;

	struct icc_bulk_data			*icc_tbl;

	u32					icc_count;

	struct dev_pm_domain_list		*pmdomain_tbl;

drivers/media/platform/qcom/iris/iris_hfi_gen1.h

0 → 100644
+13 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#ifndef __IRIS_HFI_GEN1_H__

#define __IRIS_HFI_GEN1_H__



struct iris_inst;



struct iris_inst *iris_hfi_gen1_get_instance(void);



#endif

drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c

0 → 100644
+12 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.

 */



#include "iris_hfi_gen1.h"

#include "iris_instance.h"



struct iris_inst *iris_hfi_gen1_get_instance(void)

{

	return kzalloc(sizeof(struct iris_inst), GFP_KERNEL);

}