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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. */
#ifndef __IRIS_BUFFER_H__#define __IRIS_BUFFER_H__
#include <media/videobuf2-v4l2.h>
struct iris_inst;
#define to_iris_buffer(ptr) container_of(ptr, struct iris_buffer, vb2)
/** * enum iris_buffer_type * * @BUF_INPUT: input buffer to the iris hardware * @BUF_OUTPUT: output buffer from the iris hardware * @BUF_BIN: buffer to store intermediate bin data * @BUF_ARP: buffer for auto register programming * @BUF_COMV: buffer to store colocated motion vectors * @BUF_NON_COMV: buffer to hold config data for HW * @BUF_LINE: buffer to store decoding/encoding context data for HW * @BUF_DPB: buffer to store display picture buffers for reference * @BUF_PERSIST: buffer to store session context data * @BUF_SCRATCH_1: buffer to store decoding/encoding context data for HW * @BUF_SCRATCH_2: buffer to store encoding context data for HW * @BUF_VPSS: buffer to store VPSS context data for HW * @BUF_PARTIAL: buffer for AV1 IBC data * @BUF_TYPE_MAX: max buffer types */enum iris_buffer_type { BUF_INPUT = 1, BUF_OUTPUT, BUF_BIN, BUF_ARP, BUF_COMV, BUF_NON_COMV, BUF_LINE, BUF_DPB, BUF_PERSIST, BUF_SCRATCH_1, BUF_SCRATCH_2, BUF_VPSS, BUF_PARTIAL, BUF_TYPE_MAX,};
/* * enum iris_buffer_attributes * * BUF_ATTR_DEFERRED: buffer queued by client but not submitted to firmware. * BUF_ATTR_PENDING_RELEASE: buffers requested to be released from firmware. * BUF_ATTR_QUEUED: buffers submitted to firmware. * BUF_ATTR_DEQUEUED: buffers received from firmware. * BUF_ATTR_BUFFER_DONE: buffers sent back to vb2. */enum iris_buffer_attributes { BUF_ATTR_DEFERRED = BIT(0), BUF_ATTR_PENDING_RELEASE = BIT(1), BUF_ATTR_QUEUED = BIT(2), BUF_ATTR_DEQUEUED = BIT(3), BUF_ATTR_BUFFER_DONE = BIT(4),};
/** * struct iris_buffer * * @vb2: v4l2 vb2 buffer * @list: list head for the iris_buffers structure * @inst: iris instance structure * @type: enum for type of iris buffer * @index: identifier for the iris buffer * @fd: file descriptor of the buffer * @buffer_size: accessible buffer size in bytes starting from addr_offset * @data_offset: accessible buffer offset from base address * @data_size: data size in bytes * @device_addr: device address of the buffer * @kvaddr: kernel virtual address of the buffer * @dma_attrs: dma attributes * @flags: buffer flags. It is represented as bit masks. * @timestamp: timestamp of the buffer in nano seconds (ns) * @attr: enum for iris buffer attributes */struct iris_buffer { struct vb2_v4l2_buffer vb2; struct list_head list; struct iris_inst *inst; enum iris_buffer_type type; u32 index; int fd; size_t buffer_size; u32 data_offset; size_t data_size; dma_addr_t device_addr; void *kvaddr; unsigned long dma_attrs; u32 flags; /* V4L2_BUF_FLAG_* */ u64 timestamp; enum iris_buffer_attributes attr;};
struct iris_buffers { struct list_head list; u32 min_count; u32 size;};
int iris_get_buffer_size(struct iris_inst *inst, enum iris_buffer_type buffer_type);void iris_get_internal_buffers(struct iris_inst *inst, u32 plane);int iris_create_internal_buffers(struct iris_inst *inst, u32 plane);int iris_queue_internal_buffers(struct iris_inst *inst, u32 plane);int iris_queue_internal_deferred_buffers(struct iris_inst *inst, enum iris_buffer_type buffer_type);void iris_destroy_internal_buffer(struct iris_inst *inst, struct iris_buffer *buffer);int iris_destroy_all_internal_buffers(struct iris_inst *inst, u32 plane);int iris_destroy_dequeued_internal_buffers(struct iris_inst *inst, u32 plane);int iris_alloc_and_queue_persist_bufs(struct iris_inst *inst, enum iris_buffer_type buf_type);int iris_alloc_and_queue_input_int_bufs(struct iris_inst *inst);int iris_queue_buffer(struct iris_inst *inst, struct iris_buffer *buf);int iris_queue_deferred_buffers(struct iris_inst *inst, enum iris_buffer_type buf_type);int iris_vb2_buffer_done(struct iris_inst *inst, struct iris_buffer *buf);void iris_vb2_queue_error(struct iris_inst *inst);
#endif