1203 lines
32 KiB
C
1203 lines
32 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* ISI V4L2 memory to memory driver for i.MX8QXP/QM platform
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*
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* ISI is a Image Sensor Interface of i.MX8QXP/QM platform, which
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* used to process image from camera sensor or memory to memory or DC
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*
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* Copyright (c) 2019 NXP Semiconductor
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*
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/errno.h>
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#include <linux/bug.h>
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#include <linux/interrupt.h>
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#include <linux/device.h>
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#include <linux/pm_runtime.h>
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#include <linux/list.h>
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#include <linux/slab.h>
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#include <linux/of_graph.h>
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#include <linux/videodev2.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-mem2mem.h>
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#include <media/videobuf2-core.h>
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#include <media/videobuf2-dma-contig.h>
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#include "imx8-isi-hw.h"
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#include "imx8-common.h"
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#define to_isi_buffer(x) \
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container_of((x), struct mxc_isi_buffer, v4l2_buf)
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#define file_to_ctx(file) \
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container_of(file->private_data, struct mxc_isi_ctx, fh);
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#if defined(CONFIG_IMX8_ISI_CAPTURE)
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extern struct mxc_isi_fmt mxc_isi_out_formats[9];
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#else
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static struct mxc_isi_fmt mxc_isi_out_formats[9] = {};
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#endif
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struct mxc_isi_fmt mxc_isi_input_formats[] = {
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/* Pixel link input format */
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{
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.name = "XBGR32",
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.fourcc = V4L2_PIX_FMT_XBGR32,
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.depth = { 32 },
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.color = MXC_ISI_M2M_IN_FMT_XRGB8,
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.memplanes = 1,
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.colplanes = 1,
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}, {
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.name = "RGB565",
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.fourcc = V4L2_PIX_FMT_RGB565,
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.depth = { 16 },
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.color = MXC_ISI_M2M_IN_FMT_RGB565,
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.memplanes = 1,
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.colplanes = 1,
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}, {
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.name = "YUV24 (X-Y-U-V)",
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.fourcc = V4L2_PIX_FMT_YUV24,
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.depth = { 24 },
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.color = MXC_ISI_M2M_IN_FMT_YUV444_1P8P,
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.memplanes = 1,
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.colplanes = 1,
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}, {
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.name = "YUV16 (X-Y-U-V)",
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.fourcc = V4L2_PIX_FMT_YUYV,
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.depth = { 16 },
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.color = MXC_ISI_M2M_IN_FMT_YUV422_1P8P,
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.memplanes = 1,
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.colplanes = 1,
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}, {
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.name = "RGBA (R-G-B-A)",
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.fourcc = V4L2_PIX_FMT_RGBA,
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.depth = { 32 },
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.color = MXC_ISI_M2M_IN_FMT_XBGR8,
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.memplanes = 1,
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.colplanes = 1,
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}
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};
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static struct v4l2_m2m_buffer *to_v4l2_m2m_buffer(struct vb2_v4l2_buffer *vbuf)
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{
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struct v4l2_m2m_buffer *b;
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b = container_of(vbuf, struct v4l2_m2m_buffer, vb);
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return b;
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}
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void mxc_isi_m2m_frame_write_done(struct mxc_isi_dev *mxc_isi)
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{
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struct mxc_isi_m2m_dev *isi_m2m = mxc_isi->isi_m2m;
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struct v4l2_fh *fh;
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struct mxc_isi_ctx *curr_mxc_ctx;
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struct vb2_v4l2_buffer *src_vbuf, *dst_vbuf;
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struct mxc_isi_buffer *src_buf, *dst_buf;
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struct v4l2_m2m_buffer *b;
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dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
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curr_mxc_ctx = v4l2_m2m_get_curr_priv(isi_m2m->m2m_dev);
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if (!curr_mxc_ctx) {
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dev_err(&isi_m2m->pdev->dev,
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"Instance released before the end of transaction\n");
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return;
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}
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fh = &curr_mxc_ctx->fh;
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if (isi_m2m->aborting) {
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mxc_isi_channel_disable(mxc_isi);
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dev_warn(&isi_m2m->pdev->dev, "Aborting current job\n");
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goto job_finish;
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}
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src_vbuf = v4l2_m2m_next_src_buf(fh->m2m_ctx);
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if (!src_vbuf) {
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dev_err(&isi_m2m->pdev->dev, "No enought source buffers\n");
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goto job_finish;
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}
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src_buf = to_isi_buffer(src_vbuf);
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v4l2_m2m_src_buf_remove(fh->m2m_ctx);
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v4l2_m2m_buf_done(src_vbuf, VB2_BUF_STATE_DONE);
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if (!list_empty(&isi_m2m->out_active)) {
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dst_buf = list_first_entry(&isi_m2m->out_active,
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struct mxc_isi_buffer, list);
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dst_vbuf = &dst_buf->v4l2_buf;
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list_del_init(&dst_buf->list);
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dst_buf->v4l2_buf.vb2_buf.timestamp = ktime_get_ns();
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v4l2_m2m_buf_done(dst_vbuf, VB2_BUF_STATE_DONE);
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}
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isi_m2m->frame_count++;
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dst_vbuf = v4l2_m2m_next_dst_buf(fh->m2m_ctx);
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if (dst_vbuf) {
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dst_vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE;
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dst_buf = to_isi_buffer(dst_vbuf);
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dst_buf->v4l2_buf.sequence = isi_m2m->frame_count;
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mxc_isi_channel_set_outbuf(mxc_isi, dst_buf);
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v4l2_m2m_dst_buf_remove(fh->m2m_ctx);
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b = to_v4l2_m2m_buffer(dst_vbuf);
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list_add_tail(&b->list, &isi_m2m->out_active);
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}
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job_finish:
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v4l2_m2m_job_finish(isi_m2m->m2m_dev, fh->m2m_ctx);
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}
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static void mxc_isi_m2m_device_run(void *priv)
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{
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struct mxc_isi_ctx *mxc_ctx = priv;
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
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struct v4l2_fh *fh = &mxc_ctx->fh;
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struct vb2_v4l2_buffer *vbuf;
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struct mxc_isi_buffer *src_buf;
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unsigned long flags;
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dev_dbg(&isi_m2m->pdev->dev, "%s enter\n", __func__);
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spin_lock_irqsave(&isi_m2m->slock, flags);
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/* SRC */
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vbuf = v4l2_m2m_next_src_buf(fh->m2m_ctx);
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if (!vbuf) {
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dev_err(&isi_m2m->pdev->dev, "Null src buf\n");
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goto unlock;
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}
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src_buf = to_isi_buffer(vbuf);
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mxc_isi_channel_set_m2m_src_addr(mxc_isi, src_buf);
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mxc_isi_channel_enable(mxc_isi, mxc_isi->m2m_enabled);
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unlock:
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spin_unlock_irqrestore(&isi_m2m->slock, flags);
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}
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static int mxc_isi_m2m_job_ready(void *priv)
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{
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struct mxc_isi_ctx *mxc_ctx = priv;
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct v4l2_fh *fh = &mxc_ctx->fh;
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unsigned int num_src_bufs_ready;
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unsigned int num_dst_bufs_ready;
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unsigned long flags;
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dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
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spin_lock_irqsave(&isi_m2m->slock, flags);
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num_src_bufs_ready = v4l2_m2m_num_src_bufs_ready(fh->m2m_ctx);
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num_dst_bufs_ready = v4l2_m2m_num_dst_bufs_ready(fh->m2m_ctx);
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spin_unlock_irqrestore(&isi_m2m->slock, flags);
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if (num_src_bufs_ready >= 1 && num_dst_bufs_ready >= 1)
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return 1;
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return 0;
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}
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static void mxc_isi_m2m_job_abort(void *priv)
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{
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struct mxc_isi_ctx *mxc_ctx = priv;
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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isi_m2m->aborting = 1;
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dev_dbg(&isi_m2m->pdev->dev, "Abort requested\n");
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}
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static struct v4l2_m2m_ops mxc_isi_m2m_ops = {
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.device_run = mxc_isi_m2m_device_run,
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.job_ready = mxc_isi_m2m_job_ready,
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.job_abort = mxc_isi_m2m_job_abort,
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};
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static int m2m_vb2_queue_setup(struct vb2_queue *q,
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unsigned int *num_buffers, unsigned int *num_planes,
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unsigned int sizes[], struct device *alloc_devs[])
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{
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struct mxc_isi_ctx *mxc_ctx = vb2_get_drv_priv(q);
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct device *dev = &isi_m2m->pdev->dev;
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struct mxc_isi_frame *frame;
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struct mxc_isi_fmt *fmt;
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unsigned long wh;
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int i;
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dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
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if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
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if (*num_buffers < 3) {
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dev_err(dev, "%s at least need 3 buffer\n", __func__);
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return -EINVAL;
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}
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frame = &isi_m2m->dst_f;
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isi_m2m->req_cap_buf_num = *num_buffers;
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} else {
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if (*num_buffers < 1) {
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dev_err(dev, "%s at least need one buffer\n", __func__);
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return -EINVAL;
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}
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frame = &isi_m2m->src_f;
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isi_m2m->req_out_buf_num = *num_buffers;
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}
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fmt = frame->fmt;
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if (fmt == NULL)
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return -EINVAL;
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for (i = 0; i < fmt->memplanes; i++)
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alloc_devs[i] = &isi_m2m->pdev->dev;
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*num_planes = fmt->memplanes;
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wh = frame->width * frame->height;
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for (i = 0; i < fmt->memplanes; i++) {
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unsigned int size = (wh * fmt->depth[i]) >> 3;
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if (i == 1 && fmt->fourcc == V4L2_PIX_FMT_NV12)
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size >>= 1;
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sizes[i] = max_t(u32, size, frame->sizeimage[i]);
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dev_dbg(&isi_m2m->pdev->dev, "%s, buf_n=%d, planes[%d]->size=%d\n",
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__func__, *num_buffers, i, sizes[i]);
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}
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return 0;
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}
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static int m2m_vb2_buffer_prepare(struct vb2_buffer *vb2)
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{
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struct vb2_queue *vq = vb2->vb2_queue;
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struct mxc_isi_ctx *mxc_ctx = vb2_get_drv_priv(vq);
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct mxc_isi_frame *frame;
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int i;
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if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
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frame = &isi_m2m->dst_f;
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else
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frame = &isi_m2m->src_f;
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if (frame == NULL)
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return -EINVAL;
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for (i = 0; i < frame->fmt->memplanes; i++) {
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unsigned long size = frame->sizeimage[i];
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if (vb2_plane_size(vb2, i) < size) {
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dev_err(&isi_m2m->pdev->dev,
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"User buffer too small (%ld < %ld)\n",
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vb2_plane_size(vb2, i), size);
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return -EINVAL;
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}
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vb2_set_plane_payload(vb2, i, size);
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}
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return 0;
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}
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static void m2m_vb2_buffer_queue(struct vb2_buffer *vb2)
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{
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb2);
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struct mxc_isi_ctx *mxc_ctx = vb2_get_drv_priv(vb2->vb2_queue);
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struct v4l2_fh *fh = &mxc_ctx->fh;
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v4l2_m2m_buf_queue(fh->m2m_ctx, vbuf);
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}
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static int m2m_vb2_start_streaming(struct vb2_queue *q, unsigned int count)
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{
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struct mxc_isi_ctx *mxc_ctx = vb2_get_drv_priv(q);
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
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struct v4l2_fh *fh = &mxc_ctx->fh;
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struct vb2_v4l2_buffer *dst_vbuf;
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struct v4l2_m2m_buffer *b;
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struct mxc_isi_buffer *dst_buf;
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unsigned long flags;
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if (V4L2_TYPE_IS_OUTPUT(q->type))
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return 0;
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if (count < 2) {
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dev_err(&isi_m2m->pdev->dev, "Need to at leas 2 buffers\n");
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return -EINVAL;
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}
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spin_lock_irqsave(&isi_m2m->slock, flags);
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/* BUF1 */
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dst_vbuf = v4l2_m2m_next_dst_buf(fh->m2m_ctx);
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if (!dst_vbuf) {
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dev_err(&isi_m2m->pdev->dev, "%d: Null dst buf\n", __LINE__);
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goto unlock;
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}
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dst_vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE;
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dst_buf = to_isi_buffer(dst_vbuf);
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dst_buf->v4l2_buf.sequence = 0;
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mxc_isi_channel_set_outbuf(mxc_isi, dst_buf);
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v4l2_m2m_dst_buf_remove(fh->m2m_ctx);
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b = to_v4l2_m2m_buffer(dst_vbuf);
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list_add_tail(&b->list, &isi_m2m->out_active);
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/* BUF2 */
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dst_vbuf = v4l2_m2m_next_dst_buf(fh->m2m_ctx);
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if (!dst_vbuf) {
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dev_err(&isi_m2m->pdev->dev, "%d: Null dst buf\n", __LINE__);
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goto unlock;
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}
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dst_vbuf->vb2_buf.state = VB2_BUF_STATE_ACTIVE;
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dst_buf = to_isi_buffer(dst_vbuf);
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dst_buf->v4l2_buf.sequence = 1;
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mxc_isi_channel_set_outbuf(mxc_isi, dst_buf);
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v4l2_m2m_dst_buf_remove(fh->m2m_ctx);
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b = to_v4l2_m2m_buffer(dst_vbuf);
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list_add_tail(&b->list, &isi_m2m->out_active);
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isi_m2m->frame_count = 1;
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isi_m2m->aborting = 0;
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unlock:
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spin_unlock_irqrestore(&isi_m2m->slock, flags);
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return 0;
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}
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static void m2m_vb2_stop_streaming(struct vb2_queue *q)
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{
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struct mxc_isi_ctx *mxc_ctx = vb2_get_drv_priv(q);
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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struct vb2_v4l2_buffer *vb2;
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struct mxc_isi_buffer *buf;
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unsigned long flags;
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spin_lock_irqsave(&isi_m2m->slock, flags);
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while ((vb2 = v4l2_m2m_src_buf_remove(mxc_ctx->fh.m2m_ctx)) != NULL)
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v4l2_m2m_buf_done(vb2, VB2_BUF_STATE_ERROR);
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while ((vb2 = v4l2_m2m_dst_buf_remove(mxc_ctx->fh.m2m_ctx)) != NULL)
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v4l2_m2m_buf_done(vb2, VB2_BUF_STATE_ERROR);
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while (!list_empty(&isi_m2m->out_active)) {
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buf = list_entry(isi_m2m->out_active.next, struct mxc_isi_buffer, list);
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list_del(&buf->list);
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vb2_buffer_done(&buf->v4l2_buf.vb2_buf, VB2_BUF_STATE_ERROR);
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}
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INIT_LIST_HEAD(&isi_m2m->out_active);
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spin_unlock_irqrestore(&isi_m2m->slock, flags);
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}
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static struct vb2_ops mxc_m2m_vb2_qops = {
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.queue_setup = m2m_vb2_queue_setup,
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.buf_prepare = m2m_vb2_buffer_prepare,
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.buf_queue = m2m_vb2_buffer_queue,
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.wait_prepare = vb2_ops_wait_prepare,
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.wait_finish = vb2_ops_wait_finish,
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.start_streaming = m2m_vb2_start_streaming,
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.stop_streaming = m2m_vb2_stop_streaming,
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};
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static int mxc_m2m_queue_init(void *priv, struct vb2_queue *src_vq,
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struct vb2_queue *dst_vq)
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{
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struct mxc_isi_ctx *mxc_ctx = priv;
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struct mxc_isi_m2m_dev *isi_m2m = mxc_ctx->isi_m2m;
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int ret;
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src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
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src_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
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src_vq->drv_priv = mxc_ctx;
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src_vq->buf_struct_size = sizeof(struct mxc_isi_buffer);
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src_vq->ops = &mxc_m2m_vb2_qops;
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src_vq->mem_ops = &vb2_dma_contig_memops;
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src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
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src_vq->lock = &isi_m2m->lock;
|
|
src_vq->dev = &isi_m2m->pdev->dev;
|
|
|
|
ret = vb2_queue_init(src_vq);
|
|
if (ret)
|
|
return ret;
|
|
|
|
dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
|
|
dst_vq->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
|
|
dst_vq->drv_priv = mxc_ctx;
|
|
dst_vq->buf_struct_size = sizeof(struct mxc_isi_buffer);
|
|
dst_vq->ops = &mxc_m2m_vb2_qops;
|
|
dst_vq->mem_ops = &vb2_dma_contig_memops;
|
|
dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
|
|
dst_vq->lock = &isi_m2m->lock;
|
|
dst_vq->dev = &isi_m2m->pdev->dev;
|
|
|
|
ret = vb2_queue_init(dst_vq);
|
|
return ret;
|
|
}
|
|
|
|
static int mxc_isi_m2m_open(struct file *file)
|
|
{
|
|
struct video_device *vdev = video_devdata(file);
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
struct device *dev = &isi_m2m->pdev->dev;
|
|
struct mxc_isi_ctx *mxc_ctx = NULL;
|
|
int ret = 0;
|
|
|
|
if (atomic_read(&mxc_isi->usage_count) > 0) {
|
|
dev_err(dev, "ISI channel[%d] is busy\n", isi_m2m->id);
|
|
return -EBUSY;
|
|
}
|
|
|
|
if (mutex_lock_interruptible(&isi_m2m->lock))
|
|
return -ERESTARTSYS;
|
|
|
|
mxc_ctx = kzalloc(sizeof(*mxc_ctx), GFP_KERNEL);
|
|
if (!mxc_ctx) {
|
|
ret = -ENOMEM;
|
|
goto unlock;
|
|
}
|
|
|
|
mxc_ctx->isi_m2m = isi_m2m;
|
|
|
|
v4l2_fh_init(&mxc_ctx->fh, vdev);
|
|
file->private_data = &mxc_ctx->fh;
|
|
|
|
mxc_ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(isi_m2m->m2m_dev,
|
|
mxc_ctx,
|
|
mxc_m2m_queue_init);
|
|
if (IS_ERR(mxc_ctx->fh.m2m_ctx)) {
|
|
dev_err(dev, "v4l2_m2m_ctx_init fail\n");
|
|
ret = PTR_ERR(mxc_ctx->fh.m2m_ctx);
|
|
v4l2_fh_exit(&mxc_ctx->fh);
|
|
kfree(mxc_ctx);
|
|
goto unlock;
|
|
}
|
|
v4l2_fh_add(&mxc_ctx->fh);
|
|
|
|
pm_runtime_get_sync(dev);
|
|
if (atomic_inc_return(&mxc_isi->usage_count) == 1)
|
|
mxc_isi_channel_init(mxc_isi);
|
|
|
|
/* lock host data */
|
|
mutex_lock(&mxc_isi->lock);
|
|
mxc_isi->m2m_enabled = true;
|
|
mutex_unlock(&mxc_isi->lock);
|
|
unlock:
|
|
mutex_unlock(&isi_m2m->lock);
|
|
return ret;
|
|
}
|
|
|
|
static int mxc_isi_m2m_release(struct file *file)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
struct device *dev = &isi_m2m->pdev->dev;
|
|
struct mxc_isi_ctx *mxc_ctx = file_to_ctx(file);
|
|
|
|
v4l2_fh_del(&mxc_ctx->fh);
|
|
v4l2_fh_exit(&mxc_ctx->fh);
|
|
|
|
mutex_lock(&isi_m2m->lock);
|
|
v4l2_m2m_ctx_release(mxc_ctx->fh.m2m_ctx);
|
|
mutex_unlock(&isi_m2m->lock);
|
|
|
|
kfree(mxc_ctx);
|
|
if (atomic_dec_and_test(&mxc_isi->usage_count))
|
|
mxc_isi_channel_deinit(mxc_isi);
|
|
|
|
mutex_lock(&mxc_isi->lock);
|
|
mxc_isi->m2m_enabled = false;
|
|
mutex_unlock(&mxc_isi->lock);
|
|
|
|
pm_runtime_put(dev);
|
|
return 0;
|
|
}
|
|
|
|
static const struct v4l2_file_operations mxc_isi_m2m_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = mxc_isi_m2m_open,
|
|
.release = mxc_isi_m2m_release,
|
|
.poll = v4l2_m2m_fop_poll,
|
|
.unlocked_ioctl = video_ioctl2,
|
|
.mmap = v4l2_m2m_fop_mmap,
|
|
};
|
|
|
|
static int mxc_isi_m2m_querycap(struct file *file, void *priv,
|
|
struct v4l2_capability *cap)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
|
|
strlcpy(cap->driver, MXC_ISI_M2M, sizeof(cap->driver));
|
|
strlcpy(cap->card, MXC_ISI_M2M, sizeof(cap->card));
|
|
snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s.%d",
|
|
dev_name(&isi_m2m->pdev->dev), isi_m2m->id);
|
|
cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE |
|
|
V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
|
|
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_enum_fmt_vid_out(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_fmt *fmt;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
if (f->index >= (int)ARRAY_SIZE(mxc_isi_input_formats))
|
|
return -EINVAL;
|
|
|
|
fmt = &mxc_isi_input_formats[f->index];
|
|
strncpy(f->description, fmt->name, sizeof(f->description) - 1);
|
|
|
|
f->pixelformat = fmt->fourcc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_enum_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_fmtdesc *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_fmt *fmt;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
if (f->index >= (int)ARRAY_SIZE(mxc_isi_out_formats))
|
|
return -EINVAL;
|
|
|
|
fmt = &mxc_isi_out_formats[f->index];
|
|
strncpy(f->description, fmt->name, sizeof(f->description) - 1);
|
|
|
|
f->pixelformat = fmt->fourcc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_try_fmt_vid_out(struct file *file, void *fh,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct device *dev = &isi_m2m->pdev->dev;
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_fmt *fmt = NULL;
|
|
int i;
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mxc_isi_input_formats); i++) {
|
|
fmt = &mxc_isi_input_formats[i];
|
|
if (fmt->fourcc == pix->pixelformat)
|
|
break;
|
|
}
|
|
|
|
if (i >= ARRAY_SIZE(mxc_isi_input_formats)) {
|
|
dev_err(dev, "%s, format is not support!\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (pix->width <= 0 || pix->height <= 0) {
|
|
dev_err(dev, "%s, width %d, height %d is not valid\n"
|
|
, __func__, pix->width, pix->height);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_try_fmt_vid_cap(struct file *file, void *fh,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct device *dev = &isi_m2m->pdev->dev;
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_fmt *fmt = NULL;
|
|
int i;
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
return -EINVAL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mxc_isi_out_formats); i++) {
|
|
fmt = &mxc_isi_out_formats[i];
|
|
if (fmt->fourcc == pix->pixelformat)
|
|
break;
|
|
}
|
|
|
|
if (i >= ARRAY_SIZE(mxc_isi_out_formats)) {
|
|
dev_err(dev, "%s, format is not support!\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (pix->width <= 0 || pix->height <= 0) {
|
|
dev_err(dev, "%s, width %d, height %d is not valid\n"
|
|
, __func__, pix->width, pix->height);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_s_fmt_vid_out(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
struct v4l2_fh *fh = file->private_data;
|
|
struct mxc_isi_frame *frame = &isi_m2m->src_f;
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_fmt *fmt;
|
|
struct vb2_queue *vq;
|
|
int bpl, i;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
|
|
return -EINVAL;
|
|
|
|
vq = v4l2_m2m_get_vq(fh->m2m_ctx, f->type);
|
|
if (!vq)
|
|
return -EINVAL;
|
|
|
|
if (vb2_is_busy(vq)) {
|
|
dev_err(&isi_m2m->pdev->dev, "queue busy\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mxc_isi_input_formats); i++) {
|
|
fmt = &mxc_isi_input_formats[i];
|
|
if (pix && fmt->fourcc == pix->pixelformat)
|
|
break;
|
|
}
|
|
|
|
if (i >= ARRAY_SIZE(mxc_isi_input_formats)) {
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s, format is not support!\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* update out put frame size and formate */
|
|
if (pix->height <= 0 || pix->width <= 0)
|
|
return -EINVAL;
|
|
|
|
frame->fmt = fmt;
|
|
frame->height = pix->height;
|
|
frame->width = pix->width;
|
|
|
|
pix->num_planes = fmt->memplanes;
|
|
for (i = 0; i < pix->num_planes; i++) {
|
|
bpl = pix->plane_fmt[i].bytesperline;
|
|
|
|
if ((bpl == 0) || (bpl / (fmt->depth[i] >> 3)) < pix->width)
|
|
pix->plane_fmt[i].bytesperline =
|
|
(pix->width * fmt->depth[i]) >> 3;
|
|
|
|
if (pix->plane_fmt[i].sizeimage == 0)
|
|
pix->plane_fmt[i].sizeimage = (pix->width * pix->height *
|
|
fmt->depth[i] >> 3);
|
|
}
|
|
|
|
frame->bytesperline[0] = frame->width * frame->fmt->depth[0] / 8;
|
|
frame->sizeimage[0] = frame->height * frame->bytesperline[0];
|
|
|
|
set_frame_bounds(frame, pix->width, pix->height);
|
|
mxc_isi_m2m_config_src(mxc_isi, frame);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_s_fmt_vid_cap(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
struct v4l2_fh *fh = file->private_data;
|
|
struct mxc_isi_frame *frame = &isi_m2m->dst_f;
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_fmt *fmt;
|
|
struct vb2_queue *vq;
|
|
int bpl, i;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
return -EINVAL;
|
|
|
|
vq = v4l2_m2m_get_vq(fh->m2m_ctx, f->type);
|
|
if (!vq)
|
|
return -EINVAL;
|
|
|
|
if (vb2_is_busy(vq)) {
|
|
dev_err(&isi_m2m->pdev->dev, "queue busy\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(mxc_isi_out_formats); i++) {
|
|
fmt = &mxc_isi_out_formats[i];
|
|
if (pix && fmt->fourcc == pix->pixelformat)
|
|
break;
|
|
}
|
|
|
|
if (i >= ARRAY_SIZE(mxc_isi_out_formats)) {
|
|
dev_err(&isi_m2m->pdev->dev, "%s, format is not support!\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* update out put frame size and formate */
|
|
if (pix->height <= 0 || pix->width <= 0) {
|
|
dev_err(&isi_m2m->pdev->dev,
|
|
"Invalid width or height(w=%d, h=%d)\n",
|
|
pix->width, pix->height);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if ((pix->pixelformat == V4L2_PIX_FMT_NV12) && ((pix->width / 4) % 2)) {
|
|
dev_err(&isi_m2m->pdev->dev,
|
|
"Invalid width or height(w=%d, h=%d) for NV12\n",
|
|
pix->width, pix->height);
|
|
return -EINVAL;
|
|
} else if ((pix->pixelformat != V4L2_PIX_FMT_XBGR32) && (pix->width % 2)) {
|
|
dev_err(&isi_m2m->pdev->dev,
|
|
"Invalid width or height(w=%d, h=%d) for %.4s\n",
|
|
pix->width, pix->height, (char *)&pix->pixelformat);
|
|
return -EINVAL;
|
|
}
|
|
|
|
frame->fmt = fmt;
|
|
frame->height = pix->height;
|
|
frame->width = pix->width;
|
|
|
|
pix->num_planes = fmt->memplanes;
|
|
for (i = 0; i < pix->num_planes; i++) {
|
|
bpl = pix->plane_fmt[i].bytesperline;
|
|
|
|
if ((bpl == 0) || (bpl / (fmt->depth[i] >> 3)) < pix->width)
|
|
pix->plane_fmt[i].bytesperline =
|
|
(pix->width * fmt->depth[i]) >> 3;
|
|
|
|
if (pix->plane_fmt[i].sizeimage == 0) {
|
|
|
|
if ((i == 1) && (pix->pixelformat == V4L2_PIX_FMT_NV12))
|
|
pix->plane_fmt[i].sizeimage =
|
|
(pix->width * (pix->height >> 1) * fmt->depth[i] >> 3);
|
|
else
|
|
pix->plane_fmt[i].sizeimage = (pix->width * pix->height *
|
|
fmt->depth[i] >> 3);
|
|
}
|
|
}
|
|
|
|
if (pix->num_planes > 1) {
|
|
for (i = 0; i < pix->num_planes; i++) {
|
|
frame->bytesperline[i] = pix->plane_fmt[i].bytesperline;
|
|
frame->sizeimage[i] = pix->plane_fmt[i].sizeimage;
|
|
}
|
|
} else {
|
|
frame->bytesperline[0] = frame->width * frame->fmt->depth[0] / 8;
|
|
frame->sizeimage[0] = frame->height * frame->bytesperline[0];
|
|
}
|
|
|
|
/*memcpy(&isi_m2m->pix, pix, sizeof(*pix));*/
|
|
memcpy(&isi_m2m->pix, pix, sizeof(*pix));
|
|
|
|
set_frame_bounds(frame, pix->width, pix->height);
|
|
mxc_isi_m2m_config_dst(mxc_isi, frame);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_g_fmt_vid_cap(struct file *file, void *fh,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_frame *frame = &isi_m2m->dst_f;
|
|
int i;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
return -EINVAL;
|
|
|
|
pix->width = frame->o_width;
|
|
pix->height = frame->o_height;
|
|
pix->field = V4L2_FIELD_NONE;
|
|
pix->pixelformat = frame->fmt->fourcc;
|
|
pix->colorspace = V4L2_COLORSPACE_JPEG;
|
|
pix->num_planes = frame->fmt->memplanes;
|
|
|
|
for (i = 0; i < pix->num_planes; ++i) {
|
|
pix->plane_fmt[i].bytesperline = frame->bytesperline[i];
|
|
pix->plane_fmt[i].sizeimage = frame->sizeimage[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_g_fmt_vid_out(struct file *file, void *fh,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
|
|
struct mxc_isi_frame *frame = &isi_m2m->src_f;
|
|
int i;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
|
|
if (f->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
|
|
return -EINVAL;
|
|
|
|
pix->width = frame->o_width;
|
|
pix->height = frame->o_height;
|
|
pix->field = V4L2_FIELD_NONE;
|
|
pix->pixelformat = frame->fmt->fourcc;
|
|
pix->colorspace = V4L2_COLORSPACE_JPEG;
|
|
pix->num_planes = frame->fmt->memplanes;
|
|
|
|
for (i = 0; i < pix->num_planes; ++i) {
|
|
pix->plane_fmt[i].bytesperline = frame->bytesperline[i];
|
|
pix->plane_fmt[i].sizeimage = frame->sizeimage[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxc_isi_m2m_streamon(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
struct mxc_isi_frame *src_f, *dst_f;
|
|
int ret;
|
|
|
|
src_f = &isi_m2m->src_f;
|
|
dst_f = &isi_m2m->dst_f;
|
|
|
|
if ((dst_f->width > src_f->width) ||
|
|
(dst_f->height > src_f->height)) {
|
|
dev_err(&isi_m2m->pdev->dev, "%s Not support upscale\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
|
|
isi_m2m->frame_count = 0;
|
|
mxc_isi_channel_config(mxc_isi, src_f, dst_f);
|
|
}
|
|
|
|
ret = v4l2_m2m_ioctl_streamon(file, priv, type);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mxc_isi_m2m_streamoff(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = video_drvdata(file);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
int ret;
|
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
mxc_isi_channel_disable(mxc_isi);
|
|
|
|
ret = v4l2_m2m_ioctl_streamoff(file, priv, type);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ioctl_ops mxc_isi_m2m_ioctl_ops = {
|
|
.vidioc_querycap = mxc_isi_m2m_querycap,
|
|
|
|
.vidioc_enum_fmt_vid_cap = mxc_isi_m2m_enum_fmt_vid_cap,
|
|
.vidioc_enum_fmt_vid_out = mxc_isi_m2m_enum_fmt_vid_out,
|
|
|
|
.vidioc_try_fmt_vid_cap_mplane = mxc_isi_m2m_try_fmt_vid_cap,
|
|
.vidioc_try_fmt_vid_out_mplane = mxc_isi_m2m_try_fmt_vid_out,
|
|
|
|
.vidioc_s_fmt_vid_cap_mplane = mxc_isi_m2m_s_fmt_vid_cap,
|
|
.vidioc_s_fmt_vid_out_mplane = mxc_isi_m2m_s_fmt_vid_out,
|
|
|
|
.vidioc_g_fmt_vid_cap_mplane = mxc_isi_m2m_g_fmt_vid_cap,
|
|
.vidioc_g_fmt_vid_out_mplane = mxc_isi_m2m_g_fmt_vid_out,
|
|
|
|
.vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs,
|
|
.vidioc_querybuf = v4l2_m2m_ioctl_querybuf,
|
|
.vidioc_qbuf = v4l2_m2m_ioctl_qbuf,
|
|
.vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf,
|
|
.vidioc_expbuf = v4l2_m2m_ioctl_expbuf,
|
|
.vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf,
|
|
.vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs,
|
|
|
|
.vidioc_streamon = mxc_isi_m2m_streamon,
|
|
.vidioc_streamoff = mxc_isi_m2m_streamoff,
|
|
};
|
|
|
|
/*
|
|
* V4L2 controls handling
|
|
*/
|
|
#define ctrl_to_mxc_isi_m2m(__ctrl) \
|
|
container_of((__ctrl)->handler, struct mxc_isi_m2m_dev, ctrls.handler)
|
|
|
|
static int mxc_isi_m2m_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = ctrl_to_mxc_isi_m2m(ctrl);
|
|
struct mxc_isi_dev *mxc_isi = mxc_isi_get_hostdata(isi_m2m->pdev);
|
|
unsigned long flags;
|
|
int ret = 0;
|
|
|
|
dev_dbg(&isi_m2m->pdev->dev, "%s\n", __func__);
|
|
|
|
if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
|
|
return 0;
|
|
|
|
spin_lock_irqsave(&mxc_isi->slock, flags);
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_HFLIP:
|
|
if (ctrl->val < 0) {
|
|
ret = -EINVAL;
|
|
goto unlock;
|
|
}
|
|
mxc_isi->hflip = (ctrl->val > 0) ? 1 : 0;
|
|
break;
|
|
|
|
case V4L2_CID_VFLIP:
|
|
if (ctrl->val < 0) {
|
|
ret = -EINVAL;
|
|
goto unlock;
|
|
}
|
|
mxc_isi->vflip = (ctrl->val > 0) ? 1 : 0;
|
|
break;
|
|
|
|
case V4L2_CID_ALPHA_COMPONENT:
|
|
if (ctrl->val < 0 || ctrl->val > 255) {
|
|
ret = -EINVAL;
|
|
goto unlock;
|
|
}
|
|
mxc_isi->alpha = ctrl->val;
|
|
mxc_isi->alphaen = 1;
|
|
break;
|
|
|
|
default:
|
|
dev_err(&isi_m2m->pdev->dev, "%s: Not support %d CID\n", __func__, ctrl->id);
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
unlock:
|
|
spin_unlock_irqrestore(&mxc_isi->slock, flags);
|
|
return ret;
|
|
}
|
|
|
|
static int mxc_isi_m2m_g_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = ctrl_to_mxc_isi_m2m(ctrl);
|
|
unsigned long flags;
|
|
int ret = 0;
|
|
|
|
spin_lock_irqsave(&isi_m2m->slock, flags);
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
|
|
ctrl->val = isi_m2m->req_cap_buf_num;
|
|
break;
|
|
case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
|
|
ctrl->val = isi_m2m->req_out_buf_num;
|
|
break;
|
|
default:
|
|
dev_err(&isi_m2m->pdev->dev, "%s: Not support %d CID\n",
|
|
__func__, ctrl->id);
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
spin_unlock_irqrestore(&isi_m2m->slock, flags);
|
|
return ret;
|
|
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops mxc_isi_m2m_ctrl_ops = {
|
|
.s_ctrl = mxc_isi_m2m_s_ctrl,
|
|
.g_volatile_ctrl = mxc_isi_m2m_g_ctrl,
|
|
};
|
|
|
|
static int mxc_isi_m2m_ctrls_create(struct mxc_isi_m2m_dev *isi_m2m)
|
|
{
|
|
struct mxc_isi_ctrls *ctrls = &isi_m2m->ctrls;
|
|
struct v4l2_ctrl_handler *handler = &ctrls->handler;
|
|
|
|
if (isi_m2m->ctrls.ready)
|
|
return 0;
|
|
|
|
v4l2_ctrl_handler_init(handler, 4);
|
|
|
|
ctrls->hflip = v4l2_ctrl_new_std(handler, &mxc_isi_m2m_ctrl_ops,
|
|
V4L2_CID_HFLIP, 0, 1, 1, 0);
|
|
ctrls->vflip = v4l2_ctrl_new_std(handler, &mxc_isi_m2m_ctrl_ops,
|
|
V4L2_CID_VFLIP, 0, 1, 1, 0);
|
|
ctrls->alpha = v4l2_ctrl_new_std(handler, &mxc_isi_m2m_ctrl_ops,
|
|
V4L2_CID_ALPHA_COMPONENT, 0, 0xff, 1, 0);
|
|
ctrls->num_cap_buf = v4l2_ctrl_new_std(handler, &mxc_isi_m2m_ctrl_ops,
|
|
V4L2_CID_MIN_BUFFERS_FOR_CAPTURE, 3, 16, 1, 3);
|
|
ctrls->num_out_buf = v4l2_ctrl_new_std(handler, &mxc_isi_m2m_ctrl_ops,
|
|
V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, 1, 16, 1, 1);
|
|
|
|
if (!handler->error)
|
|
ctrls->ready = true;
|
|
|
|
return handler->error;
|
|
|
|
}
|
|
|
|
void mxc_isi_m2m_ctrls_delete(struct mxc_isi_m2m_dev *isi_m2m)
|
|
{
|
|
struct mxc_isi_ctrls *ctrls = &isi_m2m->ctrls;
|
|
|
|
if (ctrls->ready) {
|
|
v4l2_ctrl_handler_free(&ctrls->handler);
|
|
ctrls->ready = false;
|
|
ctrls->alpha = NULL;
|
|
}
|
|
}
|
|
|
|
static int isi_m2m_probe(struct platform_device *pdev)
|
|
{
|
|
struct mxc_isi_dev *mxc_isi;
|
|
struct mxc_isi_m2m_dev *isi_m2m;
|
|
struct v4l2_device *v4l2_dev;
|
|
struct video_device *vdev;
|
|
int ret = -ENOMEM;
|
|
|
|
isi_m2m = devm_kzalloc(&pdev->dev, sizeof(*isi_m2m), GFP_KERNEL);
|
|
if (!isi_m2m)
|
|
return -ENOMEM;
|
|
isi_m2m->pdev = pdev;
|
|
|
|
pdev->dev.parent = mxc_isi_dev_get_parent(pdev);
|
|
if (!pdev->dev.parent) {
|
|
dev_info(&pdev->dev, "deferring %s device registration\n",
|
|
dev_name(&pdev->dev));
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
mxc_isi = mxc_isi_get_hostdata(pdev);
|
|
if (!mxc_isi) {
|
|
dev_info(&pdev->dev, "deferring %s device registration\n",
|
|
dev_name(&pdev->dev));
|
|
return -EPROBE_DEFER;
|
|
}
|
|
mxc_isi->isi_m2m = isi_m2m;
|
|
isi_m2m->id = mxc_isi->id;
|
|
|
|
spin_lock_init(&isi_m2m->slock);
|
|
mutex_init(&isi_m2m->lock);
|
|
|
|
/* m2m */
|
|
isi_m2m->m2m_dev = v4l2_m2m_init(&mxc_isi_m2m_ops);
|
|
if (IS_ERR(isi_m2m->m2m_dev)) {
|
|
dev_err(&pdev->dev, "%s fail to get m2m device\n", __func__);
|
|
return PTR_ERR(isi_m2m->m2m_dev);
|
|
}
|
|
|
|
/* V4L2 device */
|
|
v4l2_dev = &isi_m2m->v4l2_dev;
|
|
strlcpy(v4l2_dev->name, "mx8-isi-m2m", sizeof(v4l2_dev->name));
|
|
|
|
ret = v4l2_device_register(&pdev->dev, v4l2_dev);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Failed to register v4l2_device\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
INIT_LIST_HEAD(&isi_m2m->out_active);
|
|
|
|
/* Video device */
|
|
vdev = &isi_m2m->vdev;
|
|
memset(vdev, 0, sizeof(*vdev));
|
|
snprintf(vdev->name, sizeof(vdev->name), "mxc_isi.%d.m2m", isi_m2m->id);
|
|
|
|
vdev->fops = &mxc_isi_m2m_fops;
|
|
vdev->ioctl_ops = &mxc_isi_m2m_ioctl_ops;
|
|
vdev->v4l2_dev = v4l2_dev;
|
|
vdev->minor = -1;
|
|
vdev->release = video_device_release_empty;
|
|
vdev->vfl_dir = VFL_DIR_M2M;
|
|
vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE |
|
|
V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE;
|
|
|
|
ret = mxc_isi_m2m_ctrls_create(isi_m2m);
|
|
if (ret)
|
|
goto free_m2m;
|
|
|
|
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "%s fail to register video device\n", __func__);
|
|
goto ctrl_free;
|
|
}
|
|
|
|
vdev->ctrl_handler = &isi_m2m->ctrls.handler;
|
|
video_set_drvdata(vdev, isi_m2m);
|
|
platform_set_drvdata(pdev, isi_m2m);
|
|
pm_runtime_enable(&pdev->dev);
|
|
|
|
dev_info(&pdev->dev, "Register m2m success for ISI.%d\n", isi_m2m->id);
|
|
|
|
return 0;
|
|
|
|
ctrl_free:
|
|
mxc_isi_m2m_ctrls_delete(isi_m2m);
|
|
free_m2m:
|
|
v4l2_m2m_release(isi_m2m->m2m_dev);
|
|
return ret;
|
|
|
|
}
|
|
|
|
static int isi_m2m_remove(struct platform_device *pdev)
|
|
{
|
|
struct mxc_isi_m2m_dev *isi_m2m = platform_get_drvdata(pdev);
|
|
struct video_device *vdev = &isi_m2m->vdev;
|
|
|
|
if (video_is_registered(vdev)) {
|
|
video_unregister_device(vdev);
|
|
mxc_isi_m2m_ctrls_delete(isi_m2m);
|
|
media_entity_cleanup(&vdev->entity);
|
|
}
|
|
v4l2_m2m_release(isi_m2m->m2m_dev);
|
|
v4l2_device_unregister(&isi_m2m->v4l2_dev);
|
|
pm_runtime_disable(&isi_m2m->pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id isi_m2m_of_match[] = {
|
|
{.compatible = "imx-isi-m2m",},
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, isi_m2m_of_match);
|
|
|
|
static struct platform_driver isi_m2m_driver = {
|
|
.probe = isi_m2m_probe,
|
|
.remove = isi_m2m_remove,
|
|
.driver = {
|
|
.of_match_table = isi_m2m_of_match,
|
|
.name = "isi-m2m",
|
|
},
|
|
};
|
|
|
|
static int __init mxc_isi_m2m_init(void)
|
|
{
|
|
return platform_driver_register(&isi_m2m_driver);
|
|
}
|
|
late_initcall(mxc_isi_m2m_init);
|
|
|
|
static void __exit mxc_isi_m2m_exit(void)
|
|
{
|
|
platform_driver_unregister(&isi_m2m_driver);
|
|
}
|
|
module_exit(mxc_isi_m2m_exit);
|
|
|
|
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
|
|
MODULE_DESCRIPTION("IMX8 Image Sensor Interface memory to memory driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("ISI M2M");
|
|
MODULE_VERSION("1.0");
|