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-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAl0kcloACgkQCF8+vY7k 4RU0Mg//c0BK1VjPfh45k3HxDvvoQnaTlQjo1ApvEBa64TR10/JxXi9U+QuhY1H1 QEOjJJrLe3OdWrcBwFT5s15cBdRKn6jB8s67FgN7CFA8IzG4xBjOovOP4MXYXztz TjNlkLwWkkwiQ4C99HInSsmI36ZbnEI3PloJXMrEBnsXQIazjRzMeJ3DKZggSSkN jhedASDgnHgSun0rCFh0mN8k2kiMUZ/XxVIqiCuWT1AzyycoHp+HXm9YilnxD7q0 43X6v4HtxrfJMQWQ8z3Pxb4McHc1j3L8S7Mgu9oSf7oJb12grsDxokytUCnmhFz8 gvNgx3D2OTQk2nrQlxcfgrbqMs2KXLkXIiqg/dZ35hpNfXIOxiOx77zqqIsg2WHr j4qaDcw+TNQU1eUIm0dIcPFi82EMOjAUqHRrvsg94EbBQ1dUniE4GCkCHFU+2TLz YIaWXv/WmavrWTydsoIKqbBBOR9OY9+PDjkxgHsSVPSZ9sAskcPQ5MJdkatoZcu/ glZJD8HEe/w1vi1Ob3ZsXU7KzNWAhIkWvtEWsxAuFGzr8uNfwmzM2a5giNLIV94b W+ZYhQT363uliVSOPFRjqqkVliC/HmV2lcNVzlVymWgeKhRj8fI5JqrDhpLz0XD+ 9Rn90mweCzCSw7/fj/keP9mEnMce4XdkkDB/Pyf+dIMiLMOczoU= =ABgl -----END PGP SIGNATURE----- Merge tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - new Atmel microship ISC driver - coda has gained support for mpeg2 and mpeg4 - cxusb gained support for analog TV - rockchip staging driver was split into two separate staging drivers - added a new staging driver for Allegro DVT video IP core - added a new staging driver for Amlogic Meson video decoder - lots of improvements and cleanups * tag 'media/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (398 commits) media: allegro: use new v4l2_m2m_ioctl_try_encoder_cmd funcs media: doc-rst: Fix typos media: radio-raremono: change devm_k*alloc to k*alloc media: stv0297: fix frequency range limit media: rc: Prefer KEY_NUMERIC_* for number buttons on remotes media: dvb_frontend: split dvb_frontend_handle_ioctl function media: mceusb: disable "nonsensical irdata" messages media: rc: remove redundant dev_err message media: cec-notifier: add new notifier functions media: cec: add struct cec_connector_info support media: cec-notifier: rename variables, check kstrdup and n->conn_name media: MAINTAINERS: Add maintainers for Media Controller media: staging: media: tegra-vde: Defer dmabuf's unmapping media: staging: media: tegra-vde: Add IOMMU support media: hdpvr: fix locking and a missing msleep media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom() media: atmel: atmel-isc: fix i386 build error media: v4l2-ctrl: Move compound control initialization media: hantro: Use vb2_get_buffer media: pci: cx88: Change the type of 'missed' to u64 ...
655 lines
17 KiB
C
655 lines
17 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver
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*
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* FIMC-IS ISP video input and video output DMA interface driver
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*
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* Copyright (C) 2013 Samsung Electronics Co., Ltd.
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* Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
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*
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* The hardware handling code derived from a driver written by
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* Younghwan Joo <yhwan.joo@samsung.com>.
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*/
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#include <linux/bitops.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/printk.h>
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#include <linux/pm_runtime.h>
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#include <linux/slab.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/videobuf2-v4l2.h>
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#include <media/videobuf2-dma-contig.h>
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#include <media/drv-intf/exynos-fimc.h>
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#include "common.h"
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#include "media-dev.h"
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#include "fimc-is.h"
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#include "fimc-isp-video.h"
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#include "fimc-is-param.h"
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static int isp_video_capture_queue_setup(struct vb2_queue *vq,
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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 fimc_isp *isp = vb2_get_drv_priv(vq);
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struct v4l2_pix_format_mplane *vid_fmt = &isp->video_capture.pixfmt;
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const struct fimc_fmt *fmt = isp->video_capture.format;
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unsigned int wh, i;
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wh = vid_fmt->width * vid_fmt->height;
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if (fmt == NULL)
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return -EINVAL;
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*num_buffers = clamp_t(u32, *num_buffers, FIMC_ISP_REQ_BUFS_MIN,
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FIMC_ISP_REQ_BUFS_MAX);
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if (*num_planes) {
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if (*num_planes != fmt->memplanes)
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return -EINVAL;
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for (i = 0; i < *num_planes; i++)
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if (sizes[i] < (wh * fmt->depth[i]) / 8)
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return -EINVAL;
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return 0;
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}
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*num_planes = fmt->memplanes;
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for (i = 0; i < fmt->memplanes; i++)
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sizes[i] = (wh * fmt->depth[i]) / 8;
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return 0;
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}
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static inline struct param_dma_output *__get_isp_dma2(struct fimc_is *is)
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{
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return &__get_curr_is_config(is)->isp.dma2_output;
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}
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static int isp_video_capture_start_streaming(struct vb2_queue *q,
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unsigned int count)
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{
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struct fimc_isp *isp = vb2_get_drv_priv(q);
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struct fimc_is *is = fimc_isp_to_is(isp);
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struct param_dma_output *dma = __get_isp_dma2(is);
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struct fimc_is_video *video = &isp->video_capture;
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int ret;
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if (!test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state) ||
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test_bit(ST_ISP_VID_CAP_STREAMING, &isp->state))
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return 0;
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dma->cmd = DMA_OUTPUT_COMMAND_ENABLE;
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dma->notify_dma_done = DMA_OUTPUT_NOTIFY_DMA_DONE_ENABLE;
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dma->buffer_address = is->is_dma_p_region +
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DMA2_OUTPUT_ADDR_ARRAY_OFFS;
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dma->buffer_number = video->reqbufs_count;
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dma->dma_out_mask = video->buf_mask;
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isp_dbg(2, &video->ve.vdev,
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"buf_count: %d, planes: %d, dma addr table: %#x\n",
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video->buf_count, video->format->memplanes,
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dma->buffer_address);
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fimc_is_mem_barrier();
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fimc_is_set_param_bit(is, PARAM_ISP_DMA2_OUTPUT);
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__fimc_is_hw_update_param(is, PARAM_ISP_DMA2_OUTPUT);
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ret = fimc_is_itf_s_param(is, false);
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if (ret < 0)
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return ret;
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ret = fimc_pipeline_call(&video->ve, set_stream, 1);
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if (ret < 0)
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return ret;
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set_bit(ST_ISP_VID_CAP_STREAMING, &isp->state);
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return ret;
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}
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static void isp_video_capture_stop_streaming(struct vb2_queue *q)
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{
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struct fimc_isp *isp = vb2_get_drv_priv(q);
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struct fimc_is *is = fimc_isp_to_is(isp);
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struct param_dma_output *dma = __get_isp_dma2(is);
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int ret;
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ret = fimc_pipeline_call(&isp->video_capture.ve, set_stream, 0);
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if (ret < 0)
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return;
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dma->cmd = DMA_OUTPUT_COMMAND_DISABLE;
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dma->notify_dma_done = DMA_OUTPUT_NOTIFY_DMA_DONE_DISABLE;
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dma->buffer_number = 0;
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dma->buffer_address = 0;
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dma->dma_out_mask = 0;
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fimc_is_set_param_bit(is, PARAM_ISP_DMA2_OUTPUT);
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__fimc_is_hw_update_param(is, PARAM_ISP_DMA2_OUTPUT);
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ret = fimc_is_itf_s_param(is, false);
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if (ret < 0)
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dev_warn(&is->pdev->dev, "%s: DMA stop failed\n", __func__);
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fimc_is_hw_set_isp_buf_mask(is, 0);
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clear_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state);
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clear_bit(ST_ISP_VID_CAP_STREAMING, &isp->state);
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isp->video_capture.buf_count = 0;
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}
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static int isp_video_capture_buffer_prepare(struct vb2_buffer *vb)
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{
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struct fimc_isp *isp = vb2_get_drv_priv(vb->vb2_queue);
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struct fimc_is_video *video = &isp->video_capture;
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int i;
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if (video->format == NULL)
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return -EINVAL;
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for (i = 0; i < video->format->memplanes; i++) {
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unsigned long size = video->pixfmt.plane_fmt[i].sizeimage;
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if (vb2_plane_size(vb, i) < size) {
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v4l2_err(&video->ve.vdev,
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"User buffer too small (%ld < %ld)\n",
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vb2_plane_size(vb, i), size);
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return -EINVAL;
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}
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vb2_set_plane_payload(vb, i, size);
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}
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/* Check if we get one of the already known buffers. */
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if (test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state)) {
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dma_addr_t dma_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
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int i;
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for (i = 0; i < video->buf_count; i++)
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if (video->buffers[i]->dma_addr[0] == dma_addr)
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return 0;
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return -ENXIO;
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}
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return 0;
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}
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static void isp_video_capture_buffer_queue(struct vb2_buffer *vb)
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{
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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struct fimc_isp *isp = vb2_get_drv_priv(vb->vb2_queue);
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struct fimc_is_video *video = &isp->video_capture;
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struct fimc_is *is = fimc_isp_to_is(isp);
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struct isp_video_buf *ivb = to_isp_video_buf(vbuf);
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unsigned long flags;
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unsigned int i;
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if (test_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state)) {
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spin_lock_irqsave(&is->slock, flags);
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video->buf_mask |= BIT(ivb->index);
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spin_unlock_irqrestore(&is->slock, flags);
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} else {
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unsigned int num_planes = video->format->memplanes;
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ivb->index = video->buf_count;
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video->buffers[ivb->index] = ivb;
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for (i = 0; i < num_planes; i++) {
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int buf_index = ivb->index * num_planes + i;
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ivb->dma_addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
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is->is_p_region->shared[32 + buf_index] =
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ivb->dma_addr[i];
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isp_dbg(2, &video->ve.vdev,
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"dma_buf %d (%d/%d/%d) addr: %pad\n",
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buf_index, ivb->index, i, vb->index,
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&ivb->dma_addr[i]);
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}
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if (++video->buf_count < video->reqbufs_count)
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return;
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video->buf_mask = (1UL << video->buf_count) - 1;
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set_bit(ST_ISP_VID_CAP_BUF_PREP, &isp->state);
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}
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if (!test_bit(ST_ISP_VID_CAP_STREAMING, &isp->state))
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isp_video_capture_start_streaming(vb->vb2_queue, 0);
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}
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/*
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* FIMC-IS ISP input and output DMA interface interrupt handler.
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* Locking: called with is->slock spinlock held.
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*/
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void fimc_isp_video_irq_handler(struct fimc_is *is)
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{
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struct fimc_is_video *video = &is->isp.video_capture;
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struct vb2_v4l2_buffer *vbuf;
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int buf_index;
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/* TODO: Ensure the DMA is really stopped in stop_streaming callback */
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if (!test_bit(ST_ISP_VID_CAP_STREAMING, &is->isp.state))
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return;
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buf_index = (is->i2h_cmd.args[1] - 1) % video->buf_count;
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vbuf = &video->buffers[buf_index]->vb;
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vbuf->vb2_buf.timestamp = ktime_get_ns();
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vb2_buffer_done(&vbuf->vb2_buf, VB2_BUF_STATE_DONE);
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video->buf_mask &= ~BIT(buf_index);
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fimc_is_hw_set_isp_buf_mask(is, video->buf_mask);
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}
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static const struct vb2_ops isp_video_capture_qops = {
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.queue_setup = isp_video_capture_queue_setup,
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.buf_prepare = isp_video_capture_buffer_prepare,
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.buf_queue = isp_video_capture_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 = isp_video_capture_start_streaming,
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.stop_streaming = isp_video_capture_stop_streaming,
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};
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static int isp_video_open(struct file *file)
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{
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struct fimc_isp *isp = video_drvdata(file);
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struct exynos_video_entity *ve = &isp->video_capture.ve;
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struct media_entity *me = &ve->vdev.entity;
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int ret;
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if (mutex_lock_interruptible(&isp->video_lock))
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return -ERESTARTSYS;
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ret = v4l2_fh_open(file);
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if (ret < 0)
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goto unlock;
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ret = pm_runtime_get_sync(&isp->pdev->dev);
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if (ret < 0)
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goto rel_fh;
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if (v4l2_fh_is_singular_file(file)) {
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mutex_lock(&me->graph_obj.mdev->graph_mutex);
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ret = fimc_pipeline_call(ve, open, me, true);
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/* Mark the video pipeline as in use. */
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if (ret == 0)
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me->use_count++;
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mutex_unlock(&me->graph_obj.mdev->graph_mutex);
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}
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if (!ret)
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goto unlock;
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rel_fh:
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v4l2_fh_release(file);
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unlock:
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mutex_unlock(&isp->video_lock);
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return ret;
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}
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static int isp_video_release(struct file *file)
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{
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struct fimc_isp *isp = video_drvdata(file);
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struct fimc_is_video *ivc = &isp->video_capture;
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struct media_entity *entity = &ivc->ve.vdev.entity;
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struct media_device *mdev = entity->graph_obj.mdev;
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mutex_lock(&isp->video_lock);
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if (v4l2_fh_is_singular_file(file) && ivc->streaming) {
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media_pipeline_stop(entity);
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ivc->streaming = 0;
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}
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vb2_fop_release(file);
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if (v4l2_fh_is_singular_file(file)) {
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fimc_pipeline_call(&ivc->ve, close);
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mutex_lock(&mdev->graph_mutex);
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entity->use_count--;
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mutex_unlock(&mdev->graph_mutex);
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}
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pm_runtime_put(&isp->pdev->dev);
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mutex_unlock(&isp->video_lock);
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return 0;
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}
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static const struct v4l2_file_operations isp_video_fops = {
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.owner = THIS_MODULE,
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.open = isp_video_open,
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.release = isp_video_release,
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.poll = vb2_fop_poll,
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.unlocked_ioctl = video_ioctl2,
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.mmap = vb2_fop_mmap,
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};
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/*
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* Video node ioctl operations
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*/
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static int isp_video_querycap(struct file *file, void *priv,
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struct v4l2_capability *cap)
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{
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struct fimc_isp *isp = video_drvdata(file);
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__fimc_vidioc_querycap(&isp->pdev->dev, cap);
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return 0;
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}
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static int isp_video_enum_fmt(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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const struct fimc_fmt *fmt;
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if (f->index >= FIMC_ISP_NUM_FORMATS)
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return -EINVAL;
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fmt = fimc_isp_find_format(NULL, NULL, f->index);
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if (WARN_ON(fmt == NULL))
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return -EINVAL;
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strscpy(f->description, fmt->name, sizeof(f->description));
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f->pixelformat = fmt->fourcc;
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return 0;
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}
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static int isp_video_g_fmt_mplane(struct file *file, void *fh,
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struct v4l2_format *f)
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{
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struct fimc_isp *isp = video_drvdata(file);
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f->fmt.pix_mp = isp->video_capture.pixfmt;
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return 0;
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}
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static void __isp_video_try_fmt(struct fimc_isp *isp,
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struct v4l2_pix_format_mplane *pixm,
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const struct fimc_fmt **fmt)
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{
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const struct fimc_fmt *__fmt;
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__fmt = fimc_isp_find_format(&pixm->pixelformat, NULL, 2);
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if (fmt)
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*fmt = __fmt;
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pixm->colorspace = V4L2_COLORSPACE_SRGB;
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pixm->field = V4L2_FIELD_NONE;
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pixm->num_planes = __fmt->memplanes;
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pixm->pixelformat = __fmt->fourcc;
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/*
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* TODO: double check with the docmentation these width/height
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* constraints are correct.
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*/
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v4l_bound_align_image(&pixm->width, FIMC_ISP_SOURCE_WIDTH_MIN,
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FIMC_ISP_SOURCE_WIDTH_MAX, 3,
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&pixm->height, FIMC_ISP_SOURCE_HEIGHT_MIN,
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FIMC_ISP_SOURCE_HEIGHT_MAX, 0, 0);
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}
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static int isp_video_try_fmt_mplane(struct file *file, void *fh,
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struct v4l2_format *f)
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{
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struct fimc_isp *isp = video_drvdata(file);
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__isp_video_try_fmt(isp, &f->fmt.pix_mp, NULL);
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return 0;
|
|
}
|
|
|
|
static int isp_video_s_fmt_mplane(struct file *file, void *priv,
|
|
struct v4l2_format *f)
|
|
{
|
|
struct fimc_isp *isp = video_drvdata(file);
|
|
struct fimc_is *is = fimc_isp_to_is(isp);
|
|
struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
|
|
const struct fimc_fmt *ifmt = NULL;
|
|
struct param_dma_output *dma = __get_isp_dma2(is);
|
|
|
|
__isp_video_try_fmt(isp, pixm, &ifmt);
|
|
|
|
if (WARN_ON(ifmt == NULL))
|
|
return -EINVAL;
|
|
|
|
dma->format = DMA_OUTPUT_FORMAT_BAYER;
|
|
dma->order = DMA_OUTPUT_ORDER_GB_BG;
|
|
dma->plane = ifmt->memplanes;
|
|
dma->bitwidth = ifmt->depth[0];
|
|
dma->width = pixm->width;
|
|
dma->height = pixm->height;
|
|
|
|
fimc_is_mem_barrier();
|
|
|
|
isp->video_capture.format = ifmt;
|
|
isp->video_capture.pixfmt = *pixm;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Check for source/sink format differences at each link.
|
|
* Return 0 if the formats match or -EPIPE otherwise.
|
|
*/
|
|
static int isp_video_pipeline_validate(struct fimc_isp *isp)
|
|
{
|
|
struct v4l2_subdev *sd = &isp->subdev;
|
|
struct v4l2_subdev_format sink_fmt, src_fmt;
|
|
struct media_pad *pad;
|
|
int ret;
|
|
|
|
while (1) {
|
|
/* Retrieve format at the sink pad */
|
|
pad = &sd->entity.pads[0];
|
|
if (!(pad->flags & MEDIA_PAD_FL_SINK))
|
|
break;
|
|
sink_fmt.pad = pad->index;
|
|
sink_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
|
|
ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sink_fmt);
|
|
if (ret < 0 && ret != -ENOIOCTLCMD)
|
|
return -EPIPE;
|
|
|
|
/* Retrieve format at the source pad */
|
|
pad = media_entity_remote_pad(pad);
|
|
if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
|
|
break;
|
|
|
|
sd = media_entity_to_v4l2_subdev(pad->entity);
|
|
src_fmt.pad = pad->index;
|
|
src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
|
|
ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &src_fmt);
|
|
if (ret < 0 && ret != -ENOIOCTLCMD)
|
|
return -EPIPE;
|
|
|
|
if (src_fmt.format.width != sink_fmt.format.width ||
|
|
src_fmt.format.height != sink_fmt.format.height ||
|
|
src_fmt.format.code != sink_fmt.format.code)
|
|
return -EPIPE;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int isp_video_streamon(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct fimc_isp *isp = video_drvdata(file);
|
|
struct exynos_video_entity *ve = &isp->video_capture.ve;
|
|
struct media_entity *me = &ve->vdev.entity;
|
|
int ret;
|
|
|
|
ret = media_pipeline_start(me, &ve->pipe->mp);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = isp_video_pipeline_validate(isp);
|
|
if (ret < 0)
|
|
goto p_stop;
|
|
|
|
ret = vb2_ioctl_streamon(file, priv, type);
|
|
if (ret < 0)
|
|
goto p_stop;
|
|
|
|
isp->video_capture.streaming = 1;
|
|
return 0;
|
|
p_stop:
|
|
media_pipeline_stop(me);
|
|
return ret;
|
|
}
|
|
|
|
static int isp_video_streamoff(struct file *file, void *priv,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct fimc_isp *isp = video_drvdata(file);
|
|
struct fimc_is_video *video = &isp->video_capture;
|
|
int ret;
|
|
|
|
ret = vb2_ioctl_streamoff(file, priv, type);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
media_pipeline_stop(&video->ve.vdev.entity);
|
|
video->streaming = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int isp_video_reqbufs(struct file *file, void *priv,
|
|
struct v4l2_requestbuffers *rb)
|
|
{
|
|
struct fimc_isp *isp = video_drvdata(file);
|
|
int ret;
|
|
|
|
ret = vb2_ioctl_reqbufs(file, priv, rb);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (rb->count && rb->count < FIMC_ISP_REQ_BUFS_MIN) {
|
|
rb->count = 0;
|
|
vb2_ioctl_reqbufs(file, priv, rb);
|
|
ret = -ENOMEM;
|
|
}
|
|
|
|
isp->video_capture.reqbufs_count = rb->count;
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ioctl_ops isp_video_ioctl_ops = {
|
|
.vidioc_querycap = isp_video_querycap,
|
|
.vidioc_enum_fmt_vid_cap = isp_video_enum_fmt,
|
|
.vidioc_try_fmt_vid_cap_mplane = isp_video_try_fmt_mplane,
|
|
.vidioc_s_fmt_vid_cap_mplane = isp_video_s_fmt_mplane,
|
|
.vidioc_g_fmt_vid_cap_mplane = isp_video_g_fmt_mplane,
|
|
.vidioc_reqbufs = isp_video_reqbufs,
|
|
.vidioc_querybuf = vb2_ioctl_querybuf,
|
|
.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
|
|
.vidioc_create_bufs = vb2_ioctl_create_bufs,
|
|
.vidioc_qbuf = vb2_ioctl_qbuf,
|
|
.vidioc_dqbuf = vb2_ioctl_dqbuf,
|
|
.vidioc_streamon = isp_video_streamon,
|
|
.vidioc_streamoff = isp_video_streamoff,
|
|
};
|
|
|
|
int fimc_isp_video_device_register(struct fimc_isp *isp,
|
|
struct v4l2_device *v4l2_dev,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct vb2_queue *q = &isp->video_capture.vb_queue;
|
|
struct fimc_is_video *iv;
|
|
struct video_device *vdev;
|
|
int ret;
|
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
iv = &isp->video_capture;
|
|
else
|
|
return -ENOSYS;
|
|
|
|
mutex_init(&isp->video_lock);
|
|
INIT_LIST_HEAD(&iv->pending_buf_q);
|
|
INIT_LIST_HEAD(&iv->active_buf_q);
|
|
iv->format = fimc_isp_find_format(NULL, NULL, 0);
|
|
iv->pixfmt.width = IS_DEFAULT_WIDTH;
|
|
iv->pixfmt.height = IS_DEFAULT_HEIGHT;
|
|
iv->pixfmt.pixelformat = iv->format->fourcc;
|
|
iv->pixfmt.colorspace = V4L2_COLORSPACE_SRGB;
|
|
iv->reqbufs_count = 0;
|
|
|
|
memset(q, 0, sizeof(*q));
|
|
q->type = type;
|
|
q->io_modes = VB2_MMAP | VB2_USERPTR;
|
|
q->ops = &isp_video_capture_qops;
|
|
q->mem_ops = &vb2_dma_contig_memops;
|
|
q->buf_struct_size = sizeof(struct isp_video_buf);
|
|
q->drv_priv = isp;
|
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
|
q->lock = &isp->video_lock;
|
|
q->dev = &isp->pdev->dev;
|
|
|
|
ret = vb2_queue_init(q);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
vdev = &iv->ve.vdev;
|
|
memset(vdev, 0, sizeof(*vdev));
|
|
strscpy(vdev->name, "fimc-is-isp.capture", sizeof(vdev->name));
|
|
vdev->queue = q;
|
|
vdev->fops = &isp_video_fops;
|
|
vdev->ioctl_ops = &isp_video_ioctl_ops;
|
|
vdev->v4l2_dev = v4l2_dev;
|
|
vdev->minor = -1;
|
|
vdev->release = video_device_release_empty;
|
|
vdev->lock = &isp->video_lock;
|
|
vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE_MPLANE;
|
|
|
|
iv->pad.flags = MEDIA_PAD_FL_SINK;
|
|
ret = media_entity_pads_init(&vdev->entity, 1, &iv->pad);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
video_set_drvdata(vdev, isp);
|
|
|
|
ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
|
|
if (ret < 0) {
|
|
media_entity_cleanup(&vdev->entity);
|
|
return ret;
|
|
}
|
|
|
|
v4l2_info(v4l2_dev, "Registered %s as /dev/%s\n",
|
|
vdev->name, video_device_node_name(vdev));
|
|
|
|
return 0;
|
|
}
|
|
|
|
void fimc_isp_video_device_unregister(struct fimc_isp *isp,
|
|
enum v4l2_buf_type type)
|
|
{
|
|
struct exynos_video_entity *ve;
|
|
|
|
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
|
|
ve = &isp->video_capture.ve;
|
|
else
|
|
return;
|
|
|
|
mutex_lock(&isp->video_lock);
|
|
|
|
if (video_is_registered(&ve->vdev)) {
|
|
video_unregister_device(&ve->vdev);
|
|
media_entity_cleanup(&ve->vdev.entity);
|
|
ve->pipe = NULL;
|
|
}
|
|
|
|
mutex_unlock(&isp->video_lock);
|
|
}
|