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Commit 09c2845e authored by Stanimir Varbanov's avatar Stanimir Varbanov Committed by Mauro Carvalho Chehab
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[media] media: venus: hfi: add Host Firmware Interface (HFI) 



This is the implementation of HFI. It is charged with the
responsibility to comunicate with the firmware through an
interface commands and messages.

 - hfi.c has interface functions used by the core, decoder
and encoder parts to comunicate with the firmware. For example
there are functions for session and core initialisation.

 - hfi_cmds has packetization operations which preparing
packets to be send from host to firmware.

 - hfi_msgs takes care of messages sent from firmware to the
host.

Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent aaaa93ed

drivers/media/platform/qcom/venus/hfi.c

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+522 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

 * Copyright (C) 2017 Linaro Ltd.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

#include <linux/slab.h>

#include <linux/mutex.h>

#include <linux/list.h>

#include <linux/completion.h>

#include <linux/platform_device.h>

#include <linux/videodev2.h>



#include "core.h"

#include "hfi.h"

#include "hfi_cmds.h"

#include "hfi_venus.h"



#define TIMEOUT		msecs_to_jiffies(1000)



static u32 to_codec_type(u32 pixfmt)

{

	switch (pixfmt) {

	case V4L2_PIX_FMT_H264:

	case V4L2_PIX_FMT_H264_NO_SC:

		return HFI_VIDEO_CODEC_H264;

	case V4L2_PIX_FMT_H263:

		return HFI_VIDEO_CODEC_H263;

	case V4L2_PIX_FMT_MPEG1:

		return HFI_VIDEO_CODEC_MPEG1;

	case V4L2_PIX_FMT_MPEG2:

		return HFI_VIDEO_CODEC_MPEG2;

	case V4L2_PIX_FMT_MPEG4:

		return HFI_VIDEO_CODEC_MPEG4;

	case V4L2_PIX_FMT_VC1_ANNEX_G:

	case V4L2_PIX_FMT_VC1_ANNEX_L:

		return HFI_VIDEO_CODEC_VC1;

	case V4L2_PIX_FMT_VP8:

		return HFI_VIDEO_CODEC_VP8;

	case V4L2_PIX_FMT_VP9:

		return HFI_VIDEO_CODEC_VP9;

	case V4L2_PIX_FMT_XVID:

		return HFI_VIDEO_CODEC_DIVX;

	default:

		return 0;

	}

}



int hfi_core_init(struct venus_core *core)

{

	int ret = 0;



	mutex_lock(&core->lock);



	if (core->state >= CORE_INIT)

		goto unlock;



	reinit_completion(&core->done);



	ret = core->ops->core_init(core);

	if (ret)

		goto unlock;



	ret = wait_for_completion_timeout(&core->done, TIMEOUT);

	if (!ret) {

		ret = -ETIMEDOUT;

		goto unlock;

	}



	ret = 0;



	if (core->error != HFI_ERR_NONE) {

		ret = -EIO;

		goto unlock;

	}



	core->state = CORE_INIT;

unlock:

	mutex_unlock(&core->lock);

	return ret;

}



static int core_deinit_wait_atomic_t(atomic_t *p)

{

	schedule();

	return 0;

}



int hfi_core_deinit(struct venus_core *core, bool blocking)

{

	int ret = 0, empty;



	mutex_lock(&core->lock);



	if (core->state == CORE_UNINIT)

		goto unlock;



	empty = list_empty(&core->instances);



	if (!empty && !blocking) {

		ret = -EBUSY;

		goto unlock;

	}



	if (!empty) {

		mutex_unlock(&core->lock);

		wait_on_atomic_t(&core->insts_count, core_deinit_wait_atomic_t,

				 TASK_UNINTERRUPTIBLE);

		mutex_lock(&core->lock);

	}



	ret = core->ops->core_deinit(core);



	if (!ret)

		core->state = CORE_UNINIT;



unlock:

	mutex_unlock(&core->lock);

	return ret;

}



int hfi_core_suspend(struct venus_core *core)

{

	if (core->state != CORE_INIT)

		return 0;



	return core->ops->suspend(core);

}



int hfi_core_resume(struct venus_core *core, bool force)

{

	if (!force && core->state != CORE_INIT)

		return 0;



	return core->ops->resume(core);

}



int hfi_core_trigger_ssr(struct venus_core *core, u32 type)

{

	return core->ops->core_trigger_ssr(core, type);

}



int hfi_core_ping(struct venus_core *core)

{

	int ret;



	mutex_lock(&core->lock);



	ret = core->ops->core_ping(core, 0xbeef);

	if (ret)

		return ret;



	ret = wait_for_completion_timeout(&core->done, TIMEOUT);

	if (!ret) {

		ret = -ETIMEDOUT;

		goto unlock;

	}

	ret = 0;

	if (core->error != HFI_ERR_NONE)

		ret = -ENODEV;

unlock:

	mutex_unlock(&core->lock);

	return ret;

}



static int wait_session_msg(struct venus_inst *inst)

{

	int ret;



	ret = wait_for_completion_timeout(&inst->done, TIMEOUT);

	if (!ret)

		return -ETIMEDOUT;



	if (inst->error != HFI_ERR_NONE)

		return -EIO;



	return 0;

}



int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops)

{

	struct venus_core *core = inst->core;



	if (!ops)

		return -EINVAL;



	inst->state = INST_UNINIT;

	init_completion(&inst->done);

	inst->ops = ops;



	mutex_lock(&core->lock);

	list_add_tail(&inst->list, &core->instances);

	atomic_inc(&core->insts_count);

	mutex_unlock(&core->lock);



	return 0;

}

EXPORT_SYMBOL_GPL(hfi_session_create);



int hfi_session_init(struct venus_inst *inst, u32 pixfmt)

{

	struct venus_core *core = inst->core;

	const struct hfi_ops *ops = core->ops;

	u32 codec;

	int ret;



	codec = to_codec_type(pixfmt);

	reinit_completion(&inst->done);



	ret = ops->session_init(inst, inst->session_type, codec);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_INIT;



	return 0;

}

EXPORT_SYMBOL_GPL(hfi_session_init);



void hfi_session_destroy(struct venus_inst *inst)

{

	struct venus_core *core = inst->core;



	mutex_lock(&core->lock);

	list_del_init(&inst->list);

	atomic_dec(&core->insts_count);

	wake_up_atomic_t(&core->insts_count);

	mutex_unlock(&core->lock);

}

EXPORT_SYMBOL_GPL(hfi_session_destroy);



int hfi_session_deinit(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state == INST_UNINIT)

		return 0;



	if (inst->state < INST_INIT)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_end(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_UNINIT;



	return 0;

}

EXPORT_SYMBOL_GPL(hfi_session_deinit);



int hfi_session_start(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state != INST_LOAD_RESOURCES)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_start(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_START;



	return 0;

}



int hfi_session_stop(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state != INST_START)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_stop(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_STOP;



	return 0;

}



int hfi_session_continue(struct venus_inst *inst)

{

	struct venus_core *core = inst->core;



	if (core->res->hfi_version != HFI_VERSION_3XX)

		return 0;



	return core->ops->session_continue(inst);

}

EXPORT_SYMBOL_GPL(hfi_session_continue);



int hfi_session_abort(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	reinit_completion(&inst->done);



	ret = ops->session_abort(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	return 0;

}



int hfi_session_load_res(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state != INST_INIT)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_load_res(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_LOAD_RESOURCES;



	return 0;

}



int hfi_session_unload_res(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state != INST_STOP)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_release_res(inst);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	inst->state = INST_RELEASE_RESOURCES;



	return 0;

}



int hfi_session_flush(struct venus_inst *inst)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	reinit_completion(&inst->done);



	ret = ops->session_flush(inst, HFI_FLUSH_ALL);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	return 0;

}

EXPORT_SYMBOL_GPL(hfi_session_flush);



int hfi_session_set_buffers(struct venus_inst *inst, struct hfi_buffer_desc *bd)

{

	const struct hfi_ops *ops = inst->core->ops;



	return ops->session_set_buffers(inst, bd);

}



int hfi_session_unset_buffers(struct venus_inst *inst,

			      struct hfi_buffer_desc *bd)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	reinit_completion(&inst->done);



	ret = ops->session_unset_buffers(inst, bd);

	if (ret)

		return ret;



	if (!bd->response_required)

		return 0;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	return 0;

}



int hfi_session_get_property(struct venus_inst *inst, u32 ptype,

			     union hfi_get_property *hprop)

{

	const struct hfi_ops *ops = inst->core->ops;

	int ret;



	if (inst->state < INST_INIT || inst->state >= INST_STOP)

		return -EINVAL;



	reinit_completion(&inst->done);



	ret = ops->session_get_property(inst, ptype);

	if (ret)

		return ret;



	ret = wait_session_msg(inst);

	if (ret)

		return ret;



	*hprop = inst->hprop;



	return 0;

}

EXPORT_SYMBOL_GPL(hfi_session_get_property);



int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata)

{

	const struct hfi_ops *ops = inst->core->ops;



	if (inst->state < INST_INIT || inst->state >= INST_STOP)

		return -EINVAL;



	return ops->session_set_property(inst, ptype, pdata);

}

EXPORT_SYMBOL_GPL(hfi_session_set_property);



int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *fd)

{

	const struct hfi_ops *ops = inst->core->ops;



	if (fd->buffer_type == HFI_BUFFER_INPUT)

		return ops->session_etb(inst, fd);

	else if (fd->buffer_type == HFI_BUFFER_OUTPUT)

		return ops->session_ftb(inst, fd);



	return -EINVAL;

}



irqreturn_t hfi_isr_thread(int irq, void *dev_id)

{

	struct venus_core *core = dev_id;



	return core->ops->isr_thread(core);

}



irqreturn_t hfi_isr(int irq, void *dev)

{

	struct venus_core *core = dev;



	return core->ops->isr(core);

}



int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops)

{

	int ret;



	if (!ops)

		return -EINVAL;



	atomic_set(&core->insts_count, 0);

	core->core_ops = ops;

	core->state = CORE_UNINIT;

	init_completion(&core->done);

	pkt_set_version(core->res->hfi_version);

	ret = venus_hfi_create(core);



	return ret;

}



void hfi_destroy(struct venus_core *core)

{

	venus_hfi_destroy(core);

}

drivers/media/platform/qcom/venus/hfi.h

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+175 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

 * Copyright (C) 2017 Linaro Ltd.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

#ifndef __HFI_H__

#define __HFI_H__



#include <linux/interrupt.h>



#include "hfi_helper.h"



#define VIDC_SESSION_TYPE_VPE			0

#define VIDC_SESSION_TYPE_ENC			1

#define VIDC_SESSION_TYPE_DEC			2



#define VIDC_RESOURCE_NONE			0

#define VIDC_RESOURCE_OCMEM			1

#define VIDC_RESOURCE_VMEM			2



struct hfi_buffer_desc {

	u32 buffer_type;

	u32 buffer_size;

	u32 num_buffers;

	u32 device_addr;

	u32 extradata_addr;

	u32 extradata_size;

	u32 response_required;

};



struct hfi_frame_data {

	u32 buffer_type;

	u32 device_addr;

	u32 extradata_addr;

	u64 timestamp;

	u32 flags;

	u32 offset;

	u32 alloc_len;

	u32 filled_len;

	u32 mark_target;

	u32 mark_data;

	u32 clnt_data;

	u32 extradata_size;

};



union hfi_get_property {

	struct hfi_profile_level profile_level;

	struct hfi_buffer_requirements bufreq[HFI_BUFFER_TYPE_MAX];

};



/* HFI events */

#define EVT_SYS_EVENT_CHANGE			1

#define EVT_SYS_WATCHDOG_TIMEOUT		2

#define EVT_SYS_ERROR				3

#define EVT_SESSION_ERROR			4



/* HFI event callback structure */

struct hfi_event_data {

	u32 error;

	u32 height;

	u32 width;

	u32 event_type;

	u32 packet_buffer;

	u32 extradata_buffer;

	u32 tag;

	u32 profile;

	u32 level;

};



/* define core states */

#define CORE_UNINIT				0

#define CORE_INIT				1



/* define instance states */

#define INST_UNINIT				2

#define INST_INIT				3

#define INST_LOAD_RESOURCES			4

#define INST_START				5

#define INST_STOP				6

#define INST_RELEASE_RESOURCES			7



struct venus_core;

struct venus_inst;



struct hfi_core_ops {

	void (*event_notify)(struct venus_core *core, u32 event);

};



struct hfi_inst_ops {

	void (*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);

	void (*event_notify)(struct venus_inst *inst, u32 event,

			     struct hfi_event_data *data);

};



struct hfi_ops {

	int (*core_init)(struct venus_core *core);

	int (*core_deinit)(struct venus_core *core);

	int (*core_ping)(struct venus_core *core, u32 cookie);

	int (*core_trigger_ssr)(struct venus_core *core, u32 trigger_type);



	int (*session_init)(struct venus_inst *inst, u32 session_type,

			    u32 codec);

	int (*session_end)(struct venus_inst *inst);

	int (*session_abort)(struct venus_inst *inst);

	int (*session_flush)(struct venus_inst *inst, u32 flush_mode);

	int (*session_start)(struct venus_inst *inst);

	int (*session_stop)(struct venus_inst *inst);

	int (*session_continue)(struct venus_inst *inst);

	int (*session_etb)(struct venus_inst *inst, struct hfi_frame_data *fd);

	int (*session_ftb)(struct venus_inst *inst, struct hfi_frame_data *fd);

	int (*session_set_buffers)(struct venus_inst *inst,

				   struct hfi_buffer_desc *bd);

	int (*session_unset_buffers)(struct venus_inst *inst,

				     struct hfi_buffer_desc *bd);

	int (*session_load_res)(struct venus_inst *inst);

	int (*session_release_res)(struct venus_inst *inst);

	int (*session_parse_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,

				     u32 seq_hdr_len);

	int (*session_get_seq_hdr)(struct venus_inst *inst, u32 seq_hdr,

				   u32 seq_hdr_len);

	int (*session_set_property)(struct venus_inst *inst, u32 ptype,

				    void *pdata);

	int (*session_get_property)(struct venus_inst *inst, u32 ptype);



	int (*resume)(struct venus_core *core);

	int (*suspend)(struct venus_core *core);



	/* interrupt operations */

	irqreturn_t (*isr)(struct venus_core *core);

	irqreturn_t (*isr_thread)(struct venus_core *core);

};



int hfi_create(struct venus_core *core, const struct hfi_core_ops *ops);

void hfi_destroy(struct venus_core *core);



int hfi_core_init(struct venus_core *core);

int hfi_core_deinit(struct venus_core *core, bool blocking);

int hfi_core_suspend(struct venus_core *core);

int hfi_core_resume(struct venus_core *core, bool force);

int hfi_core_trigger_ssr(struct venus_core *core, u32 type);

int hfi_core_ping(struct venus_core *core);

int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops);

void hfi_session_destroy(struct venus_inst *inst);

int hfi_session_init(struct venus_inst *inst, u32 pixfmt);

int hfi_session_deinit(struct venus_inst *inst);

int hfi_session_start(struct venus_inst *inst);

int hfi_session_stop(struct venus_inst *inst);

int hfi_session_continue(struct venus_inst *inst);

int hfi_session_abort(struct venus_inst *inst);

int hfi_session_load_res(struct venus_inst *inst);

int hfi_session_unload_res(struct venus_inst *inst);

int hfi_session_flush(struct venus_inst *inst);

int hfi_session_set_buffers(struct venus_inst *inst,

			    struct hfi_buffer_desc *bd);

int hfi_session_unset_buffers(struct venus_inst *inst,

			      struct hfi_buffer_desc *bd);

int hfi_session_get_property(struct venus_inst *inst, u32 ptype,

			     union hfi_get_property *hprop);

int hfi_session_set_property(struct venus_inst *inst, u32 ptype, void *pdata);

int hfi_session_process_buf(struct venus_inst *inst, struct hfi_frame_data *f);

irqreturn_t hfi_isr_thread(int irq, void *dev_id);

irqreturn_t hfi_isr(int irq, void *dev);



#endif

drivers/media/platform/qcom/venus/hfi_cmds.c

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File added.

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drivers/media/platform/qcom/venus/hfi_cmds.h

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Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

 * Copyright (C) 2017 Linaro Ltd.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

#ifndef __VENUS_HFI_CMDS_H__

#define __VENUS_HFI_CMDS_H__



#include "hfi.h"



/* commands */

#define HFI_CMD_SYS_INIT			0x10001

#define HFI_CMD_SYS_PC_PREP			0x10002

#define HFI_CMD_SYS_SET_RESOURCE		0x10003

#define HFI_CMD_SYS_RELEASE_RESOURCE		0x10004

#define HFI_CMD_SYS_SET_PROPERTY		0x10005

#define HFI_CMD_SYS_GET_PROPERTY		0x10006

#define HFI_CMD_SYS_SESSION_INIT		0x10007

#define HFI_CMD_SYS_SESSION_END			0x10008

#define HFI_CMD_SYS_SET_BUFFERS			0x10009

#define HFI_CMD_SYS_TEST_SSR			0x10101



#define HFI_CMD_SESSION_SET_PROPERTY		0x11001

#define HFI_CMD_SESSION_SET_BUFFERS		0x11002

#define HFI_CMD_SESSION_GET_SEQUENCE_HEADER	0x11003



#define HFI_CMD_SYS_SESSION_ABORT		0x210001

#define HFI_CMD_SYS_PING			0x210002



#define HFI_CMD_SESSION_LOAD_RESOURCES		0x211001

#define HFI_CMD_SESSION_START			0x211002

#define HFI_CMD_SESSION_STOP			0x211003

#define HFI_CMD_SESSION_EMPTY_BUFFER		0x211004

#define HFI_CMD_SESSION_FILL_BUFFER		0x211005

#define HFI_CMD_SESSION_SUSPEND			0x211006

#define HFI_CMD_SESSION_RESUME			0x211007

#define HFI_CMD_SESSION_FLUSH			0x211008

#define HFI_CMD_SESSION_GET_PROPERTY		0x211009

#define HFI_CMD_SESSION_PARSE_SEQUENCE_HEADER	0x21100a

#define HFI_CMD_SESSION_RELEASE_BUFFERS		0x21100b

#define HFI_CMD_SESSION_RELEASE_RESOURCES	0x21100c

#define HFI_CMD_SESSION_CONTINUE		0x21100d

#define HFI_CMD_SESSION_SYNC			0x21100e



/* command packets */

struct hfi_sys_init_pkt {

	struct hfi_pkt_hdr hdr;

	u32 arch_type;

};



struct hfi_sys_pc_prep_pkt {

	struct hfi_pkt_hdr hdr;

};



struct hfi_sys_set_resource_pkt {

	struct hfi_pkt_hdr hdr;

	u32 resource_handle;

	u32 resource_type;

	u32 resource_data[1];

};



struct hfi_sys_release_resource_pkt {

	struct hfi_pkt_hdr hdr;

	u32 resource_type;

	u32 resource_handle;

};



struct hfi_sys_set_property_pkt {

	struct hfi_pkt_hdr hdr;

	u32 num_properties;

	u32 data[1];

};



struct hfi_sys_get_property_pkt {

	struct hfi_pkt_hdr hdr;

	u32 num_properties;

	u32 data[1];

};



struct hfi_sys_set_buffers_pkt {

	struct hfi_pkt_hdr hdr;

	u32 buffer_type;

	u32 buffer_size;

	u32 num_buffers;

	u32 buffer_addr[1];

};



struct hfi_sys_ping_pkt {

	struct hfi_pkt_hdr hdr;

	u32 client_data;

};



struct hfi_session_init_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 session_domain;

	u32 session_codec;

};



struct hfi_session_end_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_abort_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_set_property_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 num_properties;

	u32 data[0];

};



struct hfi_session_set_buffers_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 buffer_type;

	u32 buffer_size;

	u32 extradata_size;

	u32 min_buffer_size;

	u32 num_buffers;

	u32 buffer_info[1];

};



struct hfi_session_get_sequence_header_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 buffer_len;

	u32 packet_buffer;

};



struct hfi_session_load_resources_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_start_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_stop_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_empty_buffer_compressed_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 time_stamp_hi;

	u32 time_stamp_lo;

	u32 flags;

	u32 mark_target;

	u32 mark_data;

	u32 offset;

	u32 alloc_len;

	u32 filled_len;

	u32 input_tag;

	u32 packet_buffer;

	u32 extradata_buffer;

	u32 data[1];

};



struct hfi_session_empty_buffer_uncompressed_plane0_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 view_id;

	u32 time_stamp_hi;

	u32 time_stamp_lo;

	u32 flags;

	u32 mark_target;

	u32 mark_data;

	u32 alloc_len;

	u32 filled_len;

	u32 offset;

	u32 input_tag;

	u32 packet_buffer;

	u32 extradata_buffer;

	u32 data[1];

};



struct hfi_session_empty_buffer_uncompressed_plane1_pkt {

	u32 flags;

	u32 alloc_len;

	u32 filled_len;

	u32 offset;

	u32 packet_buffer2;

	u32 data[1];

};



struct hfi_session_empty_buffer_uncompressed_plane2_pkt {

	u32 flags;

	u32 alloc_len;

	u32 filled_len;

	u32 offset;

	u32 packet_buffer3;

	u32 data[1];

};



struct hfi_session_fill_buffer_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 stream_id;

	u32 offset;

	u32 alloc_len;

	u32 filled_len;

	u32 output_tag;

	u32 packet_buffer;

	u32 extradata_buffer;

	u32 data[1];

};



struct hfi_session_flush_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 flush_type;

};



struct hfi_session_suspend_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_resume_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_get_property_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 num_properties;

	u32 data[1];

};



struct hfi_session_release_buffer_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 buffer_type;

	u32 buffer_size;

	u32 extradata_size;

	u32 response_req;

	u32 num_buffers;

	u32 buffer_info[1];

};



struct hfi_session_release_resources_pkt {

	struct hfi_session_hdr_pkt shdr;

};



struct hfi_session_parse_sequence_header_pkt {

	struct hfi_session_hdr_pkt shdr;

	u32 header_len;

	u32 packet_buffer;

};



struct hfi_sfr {

	u32 buf_size;

	u8 data[1];

};



struct hfi_sys_test_ssr_pkt {

	struct hfi_pkt_hdr hdr;

	u32 trigger_type;

};



void pkt_set_version(enum hfi_version version);



void pkt_sys_init(struct hfi_sys_init_pkt *pkt, u32 arch_type);

void pkt_sys_pc_prep(struct hfi_sys_pc_prep_pkt *pkt);

void pkt_sys_idle_indicator(struct hfi_sys_set_property_pkt *pkt, u32 enable);

void pkt_sys_power_control(struct hfi_sys_set_property_pkt *pkt, u32 enable);

int pkt_sys_set_resource(struct hfi_sys_set_resource_pkt *pkt, u32 id, u32 size,

			 u32 addr, void *cookie);

int pkt_sys_unset_resource(struct hfi_sys_release_resource_pkt *pkt, u32 id,

			   u32 size, void *cookie);

void pkt_sys_debug_config(struct hfi_sys_set_property_pkt *pkt, u32 mode,

			  u32 config);

void pkt_sys_coverage_config(struct hfi_sys_set_property_pkt *pkt, u32 mode);

void pkt_sys_ping(struct hfi_sys_ping_pkt *pkt, u32 cookie);

void pkt_sys_image_version(struct hfi_sys_get_property_pkt *pkt);

int pkt_sys_ssr_cmd(struct hfi_sys_test_ssr_pkt *pkt, u32 trigger_type);

int pkt_session_init(struct hfi_session_init_pkt *pkt, void *cookie,

		     u32 session_type, u32 codec);

void pkt_session_cmd(struct hfi_session_pkt *pkt, u32 pkt_type, void *cookie);

int pkt_session_set_buffers(struct hfi_session_set_buffers_pkt *pkt,

			    void *cookie, struct hfi_buffer_desc *bd);

int pkt_session_unset_buffers(struct hfi_session_release_buffer_pkt *pkt,

			      void *cookie, struct hfi_buffer_desc *bd);

int pkt_session_etb_decoder(struct hfi_session_empty_buffer_compressed_pkt *pkt,

			    void *cookie, struct hfi_frame_data *input_frame);

int pkt_session_etb_encoder(

		struct hfi_session_empty_buffer_uncompressed_plane0_pkt *pkt,

		void *cookie, struct hfi_frame_data *input_frame);

int pkt_session_ftb(struct hfi_session_fill_buffer_pkt *pkt,

		    void *cookie, struct hfi_frame_data *output_frame);

int pkt_session_parse_seq_header(

		struct hfi_session_parse_sequence_header_pkt *pkt,

		void *cookie, u32 seq_hdr, u32 seq_hdr_len);

int pkt_session_get_seq_hdr(struct hfi_session_get_sequence_header_pkt *pkt,

			    void *cookie, u32 seq_hdr, u32 seq_hdr_len);

int pkt_session_flush(struct hfi_session_flush_pkt *pkt, void *cookie,

		      u32 flush_mode);

int pkt_session_get_property(struct hfi_session_get_property_pkt *pkt,

			     void *cookie, u32 ptype);

int pkt_session_set_property(struct hfi_session_set_property_pkt *pkt,

			     void *cookie, u32 ptype, void *pdata);



#endif

drivers/media/platform/qcom/venus/hfi_helper.h

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