mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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96 lines
1.5 KiB
C
96 lines
1.5 KiB
C
/*
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* Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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*/
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#if defined(KERNEL_RTTHREAD)
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#include <rtdevice.h>
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#include <rtdef.h>
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#endif
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#include "mpp_fb.h"
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struct mpp_fb {
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#if defined(KERNEL_RTTHREAD)
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rt_device_t dev;
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#endif
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unsigned int ref_count;
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};
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static struct mpp_fb *g_mpp_fb = NULL;
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struct mpp_fb *mpp_fb_open(void)
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{
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#if defined(KERNEL_RTTHREAD)
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rt_device_t dev;
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#endif
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struct mpp_fb *fb;
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if (g_mpp_fb) {
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g_mpp_fb->ref_count++;
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return g_mpp_fb;
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}
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fb = aicos_malloc(0, sizeof(struct mpp_fb));
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if (!fb) {
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pr_err("alloc mpp fb failed\n");
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return NULL;
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}
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#if defined(KERNEL_RTTHREAD)
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dev = rt_device_find("aicfb");
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if (!dev) {
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pr_err("Failed to find aicfb device\n");
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aicos_free(0, fb);
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return NULL;
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}
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fb->dev = dev;
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#endif
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fb->ref_count = 1;
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g_mpp_fb = fb;
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return fb;
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}
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void mpp_fb_close(struct mpp_fb *fb)
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{
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if (!fb)
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return;
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fb->ref_count--;
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if (fb->ref_count == 0) {
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g_mpp_fb = NULL;
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free(fb);
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}
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}
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int mpp_fb_probe(void)
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{
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return aicfb_probe();
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}
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void mpp_fb_remove(void)
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{
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aicfb_remove();
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}
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int mpp_fb_ioctl(struct mpp_fb *fb, int cmd, void *args)
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{
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int ret = 0;
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#if defined(KERNEL_RTTHREAD)
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rt_device_t dev;
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dev = fb->dev;
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ret = rt_device_control(dev, cmd, args);
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#elif defined(KERNEL_BAREMETAL) || defined(KERNEL_FREERTOS)
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ret = aicfb_ioctl(cmd, args);
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#endif
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return ret;
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}
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