593 lines
11 KiB
C
593 lines
11 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
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* Copyright (C) 2017 Linaro Ltd.
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*/
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#include <linux/slab.h>
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#include <linux/mutex.h>
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#include <linux/list.h>
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#include <linux/completion.h>
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#include <linux/platform_device.h>
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#include <linux/videodev2.h>
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#include "core.h"
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#include "hfi.h"
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#include "hfi_cmds.h"
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#include "hfi_venus.h"
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#define TIMEOUT msecs_to_jiffies(1000)
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static u32 to_codec_type(u32 pixfmt)
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{
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switch (pixfmt) {
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case V4L2_PIX_FMT_H264:
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case V4L2_PIX_FMT_H264_NO_SC:
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return HFI_VIDEO_CODEC_H264;
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case V4L2_PIX_FMT_H263:
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return HFI_VIDEO_CODEC_H263;
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case V4L2_PIX_FMT_MPEG1:
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return HFI_VIDEO_CODEC_MPEG1;
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case V4L2_PIX_FMT_MPEG2:
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return HFI_VIDEO_CODEC_MPEG2;
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case V4L2_PIX_FMT_MPEG4:
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return HFI_VIDEO_CODEC_MPEG4;
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case V4L2_PIX_FMT_VC1_ANNEX_G:
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case V4L2_PIX_FMT_VC1_ANNEX_L:
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return HFI_VIDEO_CODEC_VC1;
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case V4L2_PIX_FMT_VP8:
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return HFI_VIDEO_CODEC_VP8;
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case V4L2_PIX_FMT_VP9:
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return HFI_VIDEO_CODEC_VP9;
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case V4L2_PIX_FMT_XVID:
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return HFI_VIDEO_CODEC_DIVX;
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case V4L2_PIX_FMT_HEVC:
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return HFI_VIDEO_CODEC_HEVC;
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default:
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return 0;
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}
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}
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int hfi_core_init(struct venus_core *core)
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{
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int ret = 0;
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mutex_lock(&core->lock);
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if (core->state >= CORE_INIT)
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goto unlock;
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reinit_completion(&core->done);
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ret = core->ops->core_init(core);
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if (ret)
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goto unlock;
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ret = wait_for_completion_timeout(&core->done, TIMEOUT);
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if (!ret) {
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ret = -ETIMEDOUT;
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goto unlock;
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}
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ret = 0;
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if (core->error != HFI_ERR_NONE) {
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ret = -EIO;
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goto unlock;
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}
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core->state = CORE_INIT;
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unlock:
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mutex_unlock(&core->lock);
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return ret;
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}
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int hfi_core_deinit(struct venus_core *core, bool blocking)
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{
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int ret = 0, empty;
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mutex_lock(&core->lock);
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if (core->state == CORE_UNINIT)
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goto unlock;
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empty = list_empty(&core->instances);
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if (!empty && !blocking) {
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ret = -EBUSY;
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goto unlock;
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}
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if (!empty) {
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mutex_unlock(&core->lock);
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wait_var_event(&core->insts_count,
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!atomic_read(&core->insts_count));
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mutex_lock(&core->lock);
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}
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if (!core->ops)
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goto unlock;
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ret = core->ops->core_deinit(core);
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if (!ret)
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core->state = CORE_UNINIT;
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unlock:
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mutex_unlock(&core->lock);
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return ret;
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}
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int hfi_core_suspend(struct venus_core *core)
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{
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if (core->state != CORE_INIT)
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return 0;
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return core->ops->suspend(core);
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}
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int hfi_core_resume(struct venus_core *core, bool force)
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{
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if (!force && core->state != CORE_INIT)
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return 0;
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return core->ops->resume(core);
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}
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int hfi_core_trigger_ssr(struct venus_core *core, u32 type)
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{
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return core->ops->core_trigger_ssr(core, type);
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}
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int hfi_core_ping(struct venus_core *core)
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{
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int ret;
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mutex_lock(&core->lock);
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ret = core->ops->core_ping(core, 0xbeef);
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if (ret)
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goto unlock;
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ret = wait_for_completion_timeout(&core->done, TIMEOUT);
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if (!ret) {
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ret = -ETIMEDOUT;
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goto unlock;
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}
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ret = 0;
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if (core->error != HFI_ERR_NONE)
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ret = -ENODEV;
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unlock:
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mutex_unlock(&core->lock);
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return ret;
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}
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static int wait_session_msg(struct venus_inst *inst)
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{
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int ret;
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ret = wait_for_completion_timeout(&inst->done, TIMEOUT);
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if (!ret)
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return -ETIMEDOUT;
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if (inst->error != HFI_ERR_NONE)
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return -EIO;
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return 0;
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}
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int hfi_session_create(struct venus_inst *inst, const struct hfi_inst_ops *ops)
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{
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struct venus_core *core = inst->core;
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bool max;
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int ret;
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if (!ops)
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return -EINVAL;
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inst->state = INST_UNINIT;
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init_completion(&inst->done);
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inst->ops = ops;
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mutex_lock(&core->lock);
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if (test_bit(0, &inst->core->sys_error)) {
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ret = -EIO;
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goto unlock;
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}
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max = atomic_add_unless(&core->insts_count, 1,
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core->max_sessions_supported);
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if (!max) {
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ret = -EAGAIN;
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} else {
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list_add_tail(&inst->list, &core->instances);
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ret = 0;
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}
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unlock:
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mutex_unlock(&core->lock);
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return ret;
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}
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EXPORT_SYMBOL_GPL(hfi_session_create);
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int hfi_session_init(struct venus_inst *inst, u32 pixfmt)
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{
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struct venus_core *core = inst->core;
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const struct hfi_ops *ops = core->ops;
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int ret;
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/*
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* If core shutdown is in progress or if we are in system
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* recovery, return an error as during system error recovery
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* session_init() can't pass successfully
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*/
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mutex_lock(&core->lock);
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if (!core->ops || test_bit(0, &inst->core->sys_error)) {
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mutex_unlock(&core->lock);
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return -EIO;
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}
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mutex_unlock(&core->lock);
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if (inst->state != INST_UNINIT)
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return -EALREADY;
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inst->hfi_codec = to_codec_type(pixfmt);
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reinit_completion(&inst->done);
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ret = ops->session_init(inst, inst->session_type, inst->hfi_codec);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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inst->state = INST_INIT;
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return 0;
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}
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EXPORT_SYMBOL_GPL(hfi_session_init);
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void hfi_session_destroy(struct venus_inst *inst)
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{
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struct venus_core *core = inst->core;
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mutex_lock(&core->lock);
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list_del_init(&inst->list);
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if (atomic_dec_and_test(&core->insts_count))
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wake_up_var(&core->insts_count);
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mutex_unlock(&core->lock);
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}
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EXPORT_SYMBOL_GPL(hfi_session_destroy);
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int hfi_session_deinit(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
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if (inst->state == INST_UNINIT)
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return 0;
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if (inst->state < INST_INIT)
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return -EINVAL;
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if (test_bit(0, &inst->core->sys_error))
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goto done;
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reinit_completion(&inst->done);
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ret = ops->session_end(inst);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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done:
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inst->state = INST_UNINIT;
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return 0;
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}
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EXPORT_SYMBOL_GPL(hfi_session_deinit);
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int hfi_session_start(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
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if (test_bit(0, &inst->core->sys_error))
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return -EIO;
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if (inst->state != INST_LOAD_RESOURCES)
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return -EINVAL;
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reinit_completion(&inst->done);
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ret = ops->session_start(inst);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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inst->state = INST_START;
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return 0;
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}
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EXPORT_SYMBOL_GPL(hfi_session_start);
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int hfi_session_stop(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
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if (test_bit(0, &inst->core->sys_error))
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return -EIO;
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if (inst->state != INST_START)
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return -EINVAL;
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reinit_completion(&inst->done);
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ret = ops->session_stop(inst);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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inst->state = INST_STOP;
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return 0;
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}
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EXPORT_SYMBOL_GPL(hfi_session_stop);
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int hfi_session_continue(struct venus_inst *inst)
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{
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struct venus_core *core = inst->core;
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if (test_bit(0, &inst->core->sys_error))
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return -EIO;
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if (core->res->hfi_version == HFI_VERSION_1XX)
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return 0;
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return core->ops->session_continue(inst);
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}
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EXPORT_SYMBOL_GPL(hfi_session_continue);
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int hfi_session_abort(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
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if (test_bit(0, &inst->core->sys_error))
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return -EIO;
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reinit_completion(&inst->done);
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ret = ops->session_abort(inst);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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return 0;
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}
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EXPORT_SYMBOL_GPL(hfi_session_abort);
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int hfi_session_load_res(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
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if (test_bit(0, &inst->core->sys_error))
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return -EIO;
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if (inst->state != INST_INIT)
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return -EINVAL;
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reinit_completion(&inst->done);
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ret = ops->session_load_res(inst);
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if (ret)
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return ret;
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ret = wait_session_msg(inst);
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if (ret)
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return ret;
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inst->state = INST_LOAD_RESOURCES;
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return 0;
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}
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int hfi_session_unload_res(struct venus_inst *inst)
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{
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const struct hfi_ops *ops = inst->core->ops;
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int ret;
|
||
|
|
|
||
|
|
if (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(hfi_session_unload_res);
|
||
|
|
|
||
|
|
int hfi_session_flush(struct venus_inst *inst, u32 type, bool block)
|
||
|
|
{
|
||
|
|
const struct hfi_ops *ops = inst->core->ops;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
if (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
reinit_completion(&inst->done);
|
||
|
|
|
||
|
|
ret = ops->session_flush(inst, type);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
if (block) {
|
||
|
|
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;
|
||
|
|
|
||
|
|
if (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
if (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
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 (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
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 (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
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 (test_bit(0, &inst->core->sys_error))
|
||
|
|
return -EIO;
|
||
|
|
|
||
|
|
if (fd->buffer_type == HFI_BUFFER_INPUT)
|
||
|
|
return ops->session_etb(inst, fd);
|
||
|
|
else if (fd->buffer_type == HFI_BUFFER_OUTPUT ||
|
||
|
|
fd->buffer_type == HFI_BUFFER_OUTPUT2)
|
||
|
|
return ops->session_ftb(inst, fd);
|
||
|
|
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(hfi_session_process_buf);
|
||
|
|
|
||
|
|
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)
|
||
|
|
{
|
||
|
|
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);
|
||
|
|
|
||
|
|
return venus_hfi_create(core);
|
||
|
|
}
|
||
|
|
|
||
|
|
void hfi_destroy(struct venus_core *core)
|
||
|
|
{
|
||
|
|
venus_hfi_destroy(core);
|
||
|
|
}
|
||
|
|
|
||
|
|
void hfi_reinit(struct venus_core *core)
|
||
|
|
{
|
||
|
|
venus_hfi_queues_reinit(core);
|
||
|
|
}
|