93 lines
1.5 KiB
C
93 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include "vcodec_bw.h"
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bool validate_bw(struct vcodec_bw *bw, int type)
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{
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if (bw == 0)
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return false;
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if (bw->smi_bw_mon[type] == 0xFFFFFFFF)
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return false;
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else
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return true;
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}
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struct vcodec_bw *find_bw_by_id(struct vcodec_bw *bw_list, int id)
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{
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struct vcodec_bw *cur_bw = bw_list;
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if (cur_bw == 0)
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return 0;
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while (cur_bw->id != id) {
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cur_bw = cur_bw->next;
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if (cur_bw == 0)
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return 0;
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}
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return cur_bw;
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}
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struct vcodec_bw *add_bw_by_id(struct vcodec_bw **bw_list, int id)
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{
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struct vcodec_bw *bw = 0;
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bw = find_bw_by_id(*bw_list, id);
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if (bw == 0) {
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bw = kmalloc(sizeof(struct vcodec_bw), GFP_KERNEL);
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if (bw == 0)
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return 0;
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memset(bw, 0, sizeof(struct vcodec_bw));
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bw->id = id;
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bw->next = *bw_list;
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*bw_list = bw;
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}
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if (*bw_list == 0)
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*bw_list = bw;
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return bw;
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}
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struct vcodec_bw *remove_bw_by_id(struct vcodec_bw **bw_list, int id)
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{
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struct vcodec_bw *cur_bw = *bw_list;
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struct vcodec_bw *next_bw = 0;
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if (cur_bw == 0)
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return 0;
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if (cur_bw->id == id) {
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*bw_list = cur_bw->next;
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return cur_bw;
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}
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while (cur_bw->next != 0 && cur_bw->next->id != id)
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cur_bw = cur_bw->next;
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if (cur_bw->next == 0)
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return 0;
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if (cur_bw->next->id == id) {
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next_bw = cur_bw->next;
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cur_bw->next = next_bw->next;
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}
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return next_bw;
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}
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void free_all_bw(struct vcodec_bw **bw_list)
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{
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struct vcodec_bw *bw = 0;
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while (*bw_list != 0) {
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bw = *bw_list;
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*bw_list = bw->next;
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kfree(bw);
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}
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}
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