Release 4.7 drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c

Directory: drivers/media/pci/solo6x10
/*
 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
 *
 * Original author:
 * Ben Collins <bcollins@ubuntu.com>
 *
 * Additional work by:
 * John Brooks <john.brooks@bluecherry.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/kthread.h>
#include <linux/freezer.h>

#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
#include <media/v4l2-event.h>
#include <media/videobuf2-dma-sg.h>

#include "solo6x10.h"
#include "solo6x10-tw28.h"
#include "solo6x10-jpeg.h"


#define MIN_VID_BUFFERS		2

#define FRAME_BUF_SIZE		(196 * 1024)

#define MP4_QS			16

#define DMA_ALIGN		4096

/* 6010 M4V */

static u8 vop_6010_ntsc_d1[] = {
	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
	0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
	0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
	0x1f, 0x4c, 0x58, 0x10, 0xf0, 0x71, 0x18, 0x3f,
};


static u8 vop_6010_ntsc_cif[] = {
	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
	0x02, 0x48, 0x1d, 0xc0, 0x00, 0x40, 0x00, 0x40,
	0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
	0x1f, 0x4c, 0x2c, 0x10, 0x78, 0x51, 0x18, 0x3f,
};


static u8 vop_6010_pal_d1[] = {
	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
	0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
	0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
	0x1f, 0x4c, 0x58, 0x11, 0x20, 0x71, 0x18, 0x3f,
};


static u8 vop_6010_pal_cif[] = {
	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
	0x02, 0x48, 0x15, 0xc0, 0x00, 0x40, 0x00, 0x40,
	0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
	0x1f, 0x4c, 0x2c, 0x10, 0x90, 0x51, 0x18, 0x3f,
};

/* 6110 h.264 */

static u8 vop_6110_ntsc_d1[] = {
	0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
	0x9a, 0x74, 0x05, 0x81, 0xec, 0x80, 0x00, 0x00,
	0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
};


static u8 vop_6110_ntsc_cif[] = {
	0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
	0x9a, 0x74, 0x0b, 0x0f, 0xc8, 0x00, 0x00, 0x00,
	0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
};


static u8 vop_6110_pal_d1[] = {
	0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
	0x9a, 0x74, 0x05, 0x80, 0x93, 0x20, 0x00, 0x00,
	0x00, 0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00,
};


static u8 vop_6110_pal_cif[] = {
	0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x1e,
	0x9a, 0x74, 0x0b, 0x04, 0xb2, 0x00, 0x00, 0x00,
	0x01, 0x68, 0xce, 0x32, 0x28, 0x00, 0x00, 0x00,
};


typedef __le32 vop_header[16];


struct solo_enc_buf {
	
enum solo_enc_types	type;
	
const vop_header	*vh;
	
int			motion;
};



static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	return (solo_dev->motion_mask >> solo_enc->ch) & 1;
}

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ben collins ben collins 6 18.18% 1 50.00%
Total 33 100.00% 2 100.00%



static int solo_motion_detected(struct solo_enc_dev *solo_enc)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	unsigned long flags;
	u32 ch_mask = 1 << solo_enc->ch;
	int ret = 0;

	spin_lock_irqsave(&solo_enc->motion_lock, flags);
	if (solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS) & ch_mask) {
		solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, ch_mask);
		ret = 1;
	}
	spin_unlock_irqrestore(&solo_enc->motion_lock, flags);

	return ret;
}

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Total 87 100.00% 3 100.00%



static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	u32 mask = 1 << solo_enc->ch;
	unsigned long flags;

	spin_lock_irqsave(&solo_enc->motion_lock, flags);

	if (on)
		solo_dev->motion_mask |= mask;
	else
		solo_dev->motion_mask &= ~mask;

	solo_reg_write(solo_dev, SOLO_VI_MOT_CLEAR, mask);

	solo_reg_write(solo_dev, SOLO_VI_MOT_ADR,
		       SOLO_VI_MOTION_EN(solo_dev->motion_mask) |
		       (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16));

	spin_unlock_irqrestore(&solo_enc->motion_lock, flags);
}

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ben collins ben collins 31 29.25% 2 40.00%
krzysztof halasa krzysztof halasa 6 5.66% 2 40.00%
Total 106 100.00% 5 100.00%



void solo_update_mode(struct solo_enc_dev *solo_enc)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	int vop_len;
	u8 *vop;

	solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0;
	solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1);

	if (solo_enc->mode == SOLO_ENC_MODE_CIF) {
		solo_enc->width = solo_dev->video_hsize >> 1;
		solo_enc->height = solo_dev->video_vsize;
		if (solo_dev->type == SOLO_DEV_6110) {
			if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
				vop = vop_6110_ntsc_cif;
				vop_len = sizeof(vop_6110_ntsc_cif);
			} else {
				vop = vop_6110_pal_cif;
				vop_len = sizeof(vop_6110_pal_cif);
			}
		} else {
			if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
				vop = vop_6010_ntsc_cif;
				vop_len = sizeof(vop_6010_ntsc_cif);
			} else {
				vop = vop_6010_pal_cif;
				vop_len = sizeof(vop_6010_pal_cif);
			}
		}
	} else {
		solo_enc->width = solo_dev->video_hsize;
		solo_enc->height = solo_dev->video_vsize << 1;
		solo_enc->bw_weight <<= 2;
		if (solo_dev->type == SOLO_DEV_6110) {
			if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
				vop = vop_6110_ntsc_d1;
				vop_len = sizeof(vop_6110_ntsc_d1);
			} else {
				vop = vop_6110_pal_d1;
				vop_len = sizeof(vop_6110_pal_d1);
			}
		} else {
			if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) {
				vop = vop_6010_ntsc_d1;
				vop_len = sizeof(vop_6010_ntsc_d1);
			} else {
				vop = vop_6010_pal_d1;
				vop_len = sizeof(vop_6010_pal_d1);
			}
		}
	}

	memcpy(solo_enc->vop, vop, vop_len);

	/* Some fixups for 6010/M4V */
	if (solo_dev->type == SOLO_DEV_6010) {
		u16 fps = solo_dev->fps * 1000;
		u16 interval = solo_enc->interval * 1000;

		vop = solo_enc->vop;

		/* Frame rate and interval */
		vop[22] = fps >> 4;
		vop[23] = ((fps << 4) & 0xf0) | 0x0c
			| ((interval >> 13) & 0x3);
		vop[24] = (interval >> 5) & 0xff;
		vop[25] = ((interval << 3) & 0xf8) | 0x04;
	}

	solo_enc->vop_len = vop_len;

	/* Now handle the jpeg header */
	vop = solo_enc->jpeg_header;
	vop[SOF0_START + 5] = 0xff & (solo_enc->height >> 8);
	vop[SOF0_START + 6] = 0xff & solo_enc->height;
	vop[SOF0_START + 7] = 0xff & (solo_enc->width >> 8);
	vop[SOF0_START + 8] = 0xff & solo_enc->width;

	memcpy(vop + DQT_START,
	       jpeg_dqt[solo_g_jpeg_qp(solo_dev, solo_enc->ch)], DQT_LEN);
}

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krzysztof halasa krzysztof halasa 75 15.40% 2 50.00%
ismael luceno ismael luceno 1 0.21% 1 25.00%
Total 487 100.00% 4 100.00%



static int solo_enc_on(struct solo_enc_dev *solo_enc)
{
	u8 ch = solo_enc->ch;
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	u8 interval;

	solo_update_mode(solo_enc);

	/* Make sure to do a bandwidth check */
	if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
		return -EBUSY;
	solo_enc->sequence = 0;
	solo_dev->enc_bw_remain -= solo_enc->bw_weight;

	if (solo_enc->type == SOLO_ENC_TYPE_EXT)
		solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1);

	/* Disable all encoding for this channel */
	solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);

	/* Common for both std and ext encoding */
	solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch),
		       solo_enc->interlaced ? 1 : 0);

	if (solo_enc->interlaced)
		interval = solo_enc->interval - 1;
	else
		interval = solo_enc->interval;

	/* Standard encoding only */
	solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop);
	solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp);
	solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval);

	/* Extended encoding only */
	solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop);
	solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp);
	solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval);

	/* Enables the standard encoder */
	solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode);

	return 0;
}

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krzysztof halasa krzysztof halasa 77 32.49% 1 20.00%
Total 237 100.00% 5 100.00%



static void solo_enc_off(struct solo_enc_dev *solo_enc)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	solo_dev->enc_bw_remain += solo_enc->bw_weight;

	solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0);
	solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0);
}

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Total 56 100.00% 4 100.00%



static int enc_get_mpeg_dma(struct solo_dev *solo_dev, dma_addr_t dma,
			      unsigned int off, unsigned int size)
{
	int ret;

	if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
		return -EINVAL;

	/* Single shot */
	if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
		return solo_p2m_dma_t(solo_dev, 0, dma,
				      SOLO_MP4E_EXT_ADDR(solo_dev) + off, size,
				      0, 0);
	}

	/* Buffer wrap */
	ret = solo_p2m_dma_t(solo_dev, 0, dma,
			     SOLO_MP4E_EXT_ADDR(solo_dev) + off,
			     SOLO_MP4E_EXT_SIZE(solo_dev) - off, 0, 0);

	if (!ret) {
		ret = solo_p2m_dma_t(solo_dev, 0,
			     dma + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
			     SOLO_MP4E_EXT_ADDR(solo_dev),
			     size + off - SOLO_MP4E_EXT_SIZE(solo_dev), 0, 0);
	}

	return ret;
}

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Total 151 100.00% 4 100.00%

/* Build a descriptor queue out of an SG list and send it to the P2M for
 * processing. */


static int solo_send_desc(struct solo_enc_dev *solo_enc, int skip,
			  struct sg_table *vbuf, int off, int size,
			  unsigned int base, unsigned int base_size)
{
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	struct scatterlist *sg;
	int i;
	int ret;

	if (WARN_ON_ONCE(size > FRAME_BUF_SIZE))
		return -EINVAL;

	solo_enc->desc_count = 1;

	for_each_sg(vbuf->sgl, sg, vbuf->nents, i) {
		struct solo_p2m_desc *desc;
		dma_addr_t dma;
		int len;
		int left = base_size - off;

		desc = &solo_enc->desc_items[solo_enc->desc_count++];
		dma = sg_dma_address(sg);
		len = sg_dma_len(sg);

		/* We assume this is smaller than the scatter size */
		BUG_ON(skip >= len);
		if (skip) {
			len -= skip;
			dma += skip;
			size -= skip;
			skip = 0;
		}

		len = min(len, size);

		if (len <= left) {
			/* Single descriptor */
			solo_p2m_fill_desc(desc, 0, dma, base + off,
					   len, 0, 0);
		} else {
			/* Buffer wrap */
			/* XXX: Do these as separate DMA requests, to avoid
                           timeout errors triggered by awkwardly sized
                           descriptors. See
                           <https://github.com/bluecherrydvr/solo6x10/issues/8>
                         */
			ret = solo_p2m_dma_t(solo_dev, 0, dma, base + off,
					     left, 0, 0);
			if (ret)
				return ret;

			ret = solo_p2m_dma_t(solo_dev, 0, dma + left, base,
					     len - left, 0, 0);
			if (ret)
				return ret;

			solo_enc->desc_count--;
		}

		size -= len;
		if (size <= 0)
			break;

		off += len;
		if (off >= base_size)
			off -= base_size;

		/* Because we may use two descriptors per loop */
		if (solo_enc->desc_count >= (solo_enc->desc_nelts - 1)) {
			ret = solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
						solo_enc->desc_dma,
						solo_enc->desc_count - 1);
			if (ret)
				return ret;
			solo_enc->desc_count = 1;
		}
	}

	if (solo_enc->desc_count <= 1)
		return 0;

	return solo_p2m_dma_desc(solo_dev, solo_enc->desc_items,
			solo_enc->desc_dma, solo_enc->desc_count - 1);
}

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ricardo ribalda ricardo ribalda 3 0.81% 1 25.00%
Total 371 100.00% 4 100.00%

/* Extract values from VOP header - VE_STATUSxx */


static inline int vop_interlaced(const vop_header *vh)
{
	return (__le32_to_cpu((*vh)[0]) >> 30) & 1;
}

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static inline u8 vop_channel(const vop_header *vh)
{
	return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F;
}

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static inline u8 vop_type(const vop_header *vh)
{
	return (__le32_to_cpu((*vh)[0]) >> 22) & 3;
}

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static inline u32 vop_mpeg_size(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[0]) & 0xFFFFF;
}

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static inline u8 vop_hsize(const vop_header *vh)
{
	return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF;
}

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static inline u8 vop_vsize(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[1]) & 0xFF;
}

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Total 26 100.00% 1 100.00%



static inline u32 vop_mpeg_offset(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[2]);
}

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static inline u32 vop_jpeg_offset(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[3]);
}

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static inline u32 vop_jpeg_size(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[4]) & 0xFFFFF;
}

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static inline u32 vop_sec(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[5]);
}

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static inline u32 vop_usec(const vop_header *vh)
{
	return __le32_to_cpu((*vh)[6]);
}

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static int solo_fill_jpeg(struct solo_enc_dev *solo_enc,
			  struct vb2_buffer *vb, const vop_header *vh)
{
	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
	int frame_size;

	vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;

	if (vb2_plane_size(vb, 0) < vop_jpeg_size(vh) + solo_enc->jpeg_len)
		return -EIO;

	frame_size = ALIGN(vop_jpeg_size(vh) + solo_enc->jpeg_len, DMA_ALIGN);
	vb2_set_plane_payload(vb, 0, vop_jpeg_size(vh) + solo_enc->jpeg_len);

	return solo_send_desc(solo_enc, solo_enc->jpeg_len, sgt,
			     vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev),
			     frame_size, SOLO_JPEG_EXT_ADDR(solo_dev),
			     SOLO_JPEG_EXT_SIZE(solo_dev));
}

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junghak sung junghak sung 13 8.72% 1 8.33%
andreea-cristina bernat andreea-cristina bernat 4 2.68% 1 8.33%
ben collins ben collins 1 0.67% 1 8.33%
ricardo ribalda ricardo ribalda 1 0.67% 1 8.33%
Total 149 100.00% 12 100.00%



static int solo_fill_mpeg(struct solo_enc_dev *solo_enc,
		struct vb2_buffer *vb, const vop_header *vh)
{
	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
	int frame_off, frame_size;
	int skip = 0;

	if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh))
		return -EIO;

	/* If this is a key frame, add extra header */
	vbuf->flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME |
		V4L2_BUF_FLAG_BFRAME);
	if (!vop_type(vh)) {
		skip = solo_enc->vop_len;
		vbuf->flags |= V4L2_BUF_FLAG_KEYFRAME;
		vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) +
			solo_enc->vop_len);
	} else {
		vbuf->flags |= V4L2_BUF_FLAG_PFRAME;
		vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh));
	}

	/* Now get the actual mpeg payload */
	frame_off = (vop_mpeg_offset(vh) - SOLO_MP4E_EXT_ADDR(solo_dev) +
		sizeof(*vh)) % SOLO_MP4E_EXT_SIZE(solo_dev);
	frame_size = ALIGN(vop_mpeg_size(vh) + skip, DMA_ALIGN);

	return solo_send_desc(solo_enc, skip, sgt, frame_off, frame_size,
			SOLO_MP4E_EXT_ADDR(solo_dev),
			SOLO_MP4E_EXT_SIZE(solo_dev));
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 111 51.15% 4 33.33%
ben collins ben collins 47 21.66% 2 16.67%
krzysztof halasa krzysztof halasa 39 17.97% 3 25.00%
junghak sung junghak sung 15 6.91% 1 8.33%
andreea-cristina bernat andreea-cristina bernat 4 1.84% 1 8.33%
ricardo ribalda ricardo ribalda 1 0.46% 1 8.33%
Total 217 100.00% 12 100.00%



static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc,
			    struct vb2_buffer *vb, struct solo_enc_buf *enc_buf)
{
	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
	const vop_header *vh = enc_buf->vh;
	int ret;

	switch (solo_enc->fmt) {
	case V4L2_PIX_FMT_MPEG4:
	case V4L2_PIX_FMT_H264:
		ret = solo_fill_mpeg(solo_enc, vb, vh);
		break;
	default: /* V4L2_PIX_FMT_MJPEG */
		ret = solo_fill_jpeg(solo_enc, vb, vh);
		break;
	}

	if (!ret) {
		vbuf->sequence = solo_enc->sequence++;
		vb->timestamp = ktime_get_ns();

		/* Check for motion flags */
		if (solo_is_motion_on(solo_enc) && enc_buf->motion) {
			struct v4l2_event ev = {
				.type = V4L2_EVENT_MOTION_DET,
				.u.motion_det = {
					.flags
					= V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ,
					.frame_sequence = vbuf->sequence,
					.region_mask = enc_buf->motion ? 1 : 0,
                                },
                        };

			v4l2_event_queue(solo_enc->vfd, &ev);
		}
	}

	vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);

	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 107 57.84% 5 45.45%
ben collins ben collins 48 25.95% 2 18.18%
junghak sung junghak sung 16 8.65% 2 18.18%
ismael luceno ismael luceno 13 7.03% 1 9.09%
krzysztof halasa krzysztof halasa 1 0.54% 1 9.09%
Total 185 100.00% 11 100.00%



static void solo_enc_handle_one(struct solo_enc_dev *solo_enc,
				struct solo_enc_buf *enc_buf)
{
	struct solo_vb2_buf *vb;
	unsigned long flags;

	mutex_lock(&solo_enc->lock);
	if (solo_enc->type != enc_buf->type)
		goto unlock;

	spin_lock_irqsave(&solo_enc->av_lock, flags);
	if (list_empty(&solo_enc->vidq_active)) {
		spin_unlock_irqrestore(&solo_enc->av_lock, flags);
		goto unlock;
	}
	vb = list_first_entry(&solo_enc->vidq_active, struct solo_vb2_buf,
		list);
	list_del(&vb->list);
	spin_unlock_irqrestore(&solo_enc->av_lock, flags);

	solo_enc_fillbuf(solo_enc, &vb->vb.vb2_buf, enc_buf);
unlock:
	mutex_unlock(&solo_enc->lock);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 68 49.28% 2 33.33%
hans verkuil hans verkuil 68 49.28% 3 50.00%
junghak sung junghak sung 2 1.45% 1 16.67%
Total 138 100.00% 6 100.00%



void solo_enc_v4l2_isr(struct solo_dev *solo_dev)
{
	wake_up_interruptible_all(&solo_dev->ring_thread_wait);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 10 55.56% 1 50.00%
hans verkuil hans verkuil 8 44.44% 1 50.00%
Total 18 100.00% 2 100.00%



static void solo_handle_ring(struct solo_dev *solo_dev)
{
	for (;;) {
		struct solo_enc_dev *solo_enc;
		struct solo_enc_buf enc_buf;
		u32 mpeg_current, off;
		u8 ch;
		u8 cur_q;

		/* Check if the hardware has any new ones in the queue */
		cur_q = solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xff;
		if (cur_q == solo_dev->enc_idx)
			break;

		mpeg_current = solo_reg_read(solo_dev,
					SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
		solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;

		ch = (mpeg_current >> 24) & 0x1f;
		off = mpeg_current & 0x00ffffff;

		if (ch >= SOLO_MAX_CHANNELS) {
			ch -= SOLO_MAX_CHANNELS;
			enc_buf.type = SOLO_ENC_TYPE_EXT;
		} else
			enc_buf.type = SOLO_ENC_TYPE_STD;

		solo_enc = solo_dev->v4l2_enc[ch];
		if (solo_enc == NULL) {
			dev_err(&solo_dev->pdev->dev,
				"Got spurious packet for channel %d\n", ch);
			continue;
		}

		/* FAIL... */
		if (enc_get_mpeg_dma(solo_dev, solo_dev->vh_dma, off,
				     sizeof(vop_header)))
			continue;

		enc_buf.vh = solo_dev->vh_buf;

		/* Sanity check */
		if (vop_mpeg_offset(enc_buf.vh) !=
			SOLO_MP4E_EXT_ADDR(solo_dev) + off)
			continue;

		if (solo_motion_detected(solo_enc))
			enc_buf.motion = 1;
		else
			enc_buf.motion = 0;

		solo_enc_handle_one(solo_enc, &enc_buf);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 117 49.37% 1 16.67%
ben collins ben collins 105 44.30% 1 16.67%
krzysztof halasa krzysztof halasa 11 4.64% 3 50.00%
facugaich facugaich 4 1.69% 1 16.67%
Total 237 100.00% 6 100.00%



static int solo_ring_thread(void *data)
{
	struct solo_dev *solo_dev = data;
	DECLARE_WAITQUEUE(wait, current);

	set_freezable();
	add_wait_queue(&solo_dev->ring_thread_wait, &wait);

	for (;;) {
		long timeout = schedule_timeout_interruptible(HZ);

		if (timeout == -ERESTARTSYS || kthread_should_stop())
			break;
		solo_handle_ring(solo_dev);
		try_to_freeze();
	}

	remove_wait_queue(&solo_dev->ring_thread_wait, &wait);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 64 74.42% 1 50.00%
ben collins ben collins 22 25.58% 1 50.00%
Total 86 100.00% 2 100.00%



static int solo_enc_queue_setup(struct vb2_queue *q,
				unsigned int *num_buffers,
				unsigned int *num_planes, unsigned int sizes[],
				void *alloc_ctxs[])
{
	struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);

	sizes[0] = FRAME_BUF_SIZE;
	alloc_ctxs[0] = solo_enc->alloc_ctx;
	*num_planes = 1;

	if (*num_buffers < MIN_VID_BUFFERS)
		*num_buffers = MIN_VID_BUFFERS;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 46 59.74% 2 66.67%
ben collins ben collins 31 40.26% 1 33.33%
Total 77 100.00% 3 100.00%



static void solo_enc_buf_queue(struct vb2_buffer *vb)
{
	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
	struct vb2_queue *vq = vb->vb2_queue;
	struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vq);
	struct solo_vb2_buf *solo_vb =
		container_of(vbuf, struct solo_vb2_buf, vb);

	spin_lock(&solo_enc->av_lock);
	list_add_tail(&solo_vb->list, &solo_enc->vidq_active);
	spin_unlock(&solo_enc->av_lock);
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 40 47.62% 3 42.86%
ben collins ben collins 33 39.29% 3 42.86%
junghak sung junghak sung 11 13.10% 1 14.29%
Total 84 100.00% 7 100.00%



static int solo_ring_start(struct solo_dev *solo_dev)
{
	solo_dev->ring_thread = kthread_run(solo_ring_thread, solo_dev,
					    SOLO6X10_NAME "_ring");
	if (IS_ERR(solo_dev->ring_thread)) {
		int err = PTR_ERR(solo_dev->ring_thread);

		solo_dev->ring_thread = NULL;
		return err;
	}

	solo_irq_on(solo_dev, SOLO_IRQ_ENCODER);

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 60 92.31% 1 50.00%
ben collins ben collins 5 7.69% 1 50.00%
Total 65 100.00% 2 100.00%



static void solo_ring_stop(struct solo_dev *solo_dev)
{
	if (solo_dev->ring_thread) {
		kthread_stop(solo_dev->ring_thread);
		solo_dev->ring_thread = NULL;
	}

	solo_irq_off(solo_dev, SOLO_IRQ_ENCODER);
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 30 76.92% 1 50.00%
ben collins ben collins 9 23.08% 1 50.00%
Total 39 100.00% 2 100.00%



static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count)
{
	struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);

	return solo_enc_on(solo_enc);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 17 54.84% 1 25.00%
hans verkuil hans verkuil 13 41.94% 2 50.00%
andrey utkin andrey utkin 1 3.23% 1 25.00%
Total 31 100.00% 4 100.00%



static void solo_enc_stop_streaming(struct vb2_queue *q)
{
	struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q);
	unsigned long flags;

	spin_lock_irqsave(&solo_enc->av_lock, flags);
	solo_enc_off(solo_enc);
	while (!list_empty(&solo_enc->vidq_active)) {
		struct solo_vb2_buf *buf = list_entry(
				solo_enc->vidq_active.next,
				struct solo_vb2_buf, list);

		list_del(&buf->list);
		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
	}
	spin_unlock_irqrestore(&solo_enc->av_lock, flags);
}

Contributors
Person Tokens Prop Commits CommitProp
andrey utkin andrey utkin 67 65.69% 1 12.50%
hans verkuil hans verkuil 17 16.67% 5 62.50%
ben collins ben collins 16 15.69% 1 12.50%
junghak sung junghak sung 2 1.96% 1 12.50%
Total 102 100.00% 8 100.00%



static void solo_enc_buf_finish(struct vb2_buffer *vb)
{
	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
	struct solo_enc_dev *solo_enc = vb2_get_drv_priv(vb->vb2_queue);
	struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);

	switch (solo_enc->fmt) {
	case V4L2_PIX_FMT_MPEG4:
	case V4L2_PIX_FMT_H264:
		if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
			sg_copy_from_buffer(sgt->sgl, sgt->nents,
					solo_enc->vop, solo_enc->vop_len);
		break;
	default: /* V4L2_PIX_FMT_MJPEG */
		sg_copy_from_buffer(sgt->sgl, sgt->nents,
				solo_enc->jpeg_header, solo_enc->jpeg_len);
		break;
	}
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 93 85.32% 1 50.00%
junghak sung junghak sung 16 14.68% 1 50.00%
Total 109 100.00% 2 100.00%


static struct vb2_ops solo_enc_video_qops = {
	.queue_setup	= solo_enc_queue_setup,
	.buf_queue	= solo_enc_buf_queue,
	.buf_finish	= solo_enc_buf_finish,
	.start_streaming = solo_enc_start_streaming,
	.stop_streaming = solo_enc_stop_streaming,
	.wait_prepare	= vb2_ops_wait_prepare,
	.wait_finish	= vb2_ops_wait_finish,
};



static int solo_enc_querycap(struct file *file, void  *priv,
			     struct v4l2_capability *cap)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	strcpy(cap->driver, SOLO6X10_NAME);
	snprintf(cap->card, sizeof(cap->card), "Softlogic 6x10 Enc %d",
		 solo_enc->ch);
	snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s",
		 pci_name(solo_dev->pdev));
	cap->device_caps = V4L2_CAP_VIDEO_CAPTURE |
			V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 96 84.21% 1 25.00%
hans verkuil hans verkuil 15 13.16% 2 50.00%
krzysztof halasa krzysztof halasa 3 2.63% 1 25.00%
Total 114 100.00% 4 100.00%



static int solo_enc_enum_input(struct file *file, void *priv,
			       struct v4l2_input *input)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	if (input->index)
		return -EINVAL;

	snprintf(input->name, sizeof(input->name), "Encoder %d",
		 solo_enc->ch + 1);
	input->type = V4L2_INPUT_TYPE_CAMERA;
	input->std = solo_enc->vfd->tvnorms;

	if (!tw28_get_video_status(solo_dev, solo_enc->ch))
		input->status = V4L2_IN_ST_NO_SIGNAL;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 99 91.67% 1 25.00%
hans verkuil hans verkuil 8 7.41% 2 50.00%
krzysztof halasa krzysztof halasa 1 0.93% 1 25.00%
Total 108 100.00% 4 100.00%



static int solo_enc_set_input(struct file *file, void *priv,
			      unsigned int index)
{
	if (index)
		return -EINVAL;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 30 100.00% 1 100.00%
Total 30 100.00% 1 100.00%



static int solo_enc_get_input(struct file *file, void *priv,
			      unsigned int *index)
{
	*index = 0;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 28 100.00% 1 100.00%
Total 28 100.00% 1 100.00%



static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
				 struct v4l2_fmtdesc *f)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	int dev_type = solo_enc->solo_dev->type;

	switch (f->index) {
	case 0:
		switch (dev_type) {
		case SOLO_DEV_6010:
			f->pixelformat = V4L2_PIX_FMT_MPEG4;
			strcpy(f->description, "MPEG-4 part 2");
			break;
		case SOLO_DEV_6110:
			f->pixelformat = V4L2_PIX_FMT_H264;
			strcpy(f->description, "H.264");
			break;
		}
		break;
	case 1:
		f->pixelformat = V4L2_PIX_FMT_MJPEG;
		strcpy(f->description, "MJPEG");
		break;
	default:
		return -EINVAL;
	}

	f->flags = V4L2_FMT_FLAG_COMPRESSED;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 78 60.94% 1 33.33%
ismael luceno ismael luceno 49 38.28% 1 33.33%
hans verkuil hans verkuil 1 0.78% 1 33.33%
Total 128 100.00% 3 100.00%



static inline int solo_valid_pixfmt(u32 pixfmt, int dev_type)
{
	return (pixfmt == V4L2_PIX_FMT_H264 && dev_type == SOLO_DEV_6110)
		|| (pixfmt == V4L2_PIX_FMT_MPEG4 && dev_type == SOLO_DEV_6010)
		|| pixfmt == V4L2_PIX_FMT_MJPEG ? 0 : -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
ismael luceno ismael luceno 43 100.00% 1 100.00%
Total 43 100.00% 1 100.00%



static int solo_enc_try_fmt_cap(struct file *file, void *priv,
			    struct v4l2_format *f)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	struct v4l2_pix_format *pix = &f->fmt.pix;

	if (solo_valid_pixfmt(pix->pixelformat, solo_dev->type))
		return -EINVAL;

	if (pix->width < solo_dev->video_hsize ||
	    pix->height < solo_dev->video_vsize << 1) {
		/* Default to CIF 1/2 size */
		pix->width = solo_dev->video_hsize >> 1;
		pix->height = solo_dev->video_vsize;
	} else {
		/* Full frame */
		pix->width = solo_dev->video_hsize;
		pix->height = solo_dev->video_vsize << 1;
	}

	switch (pix->field) {
	case V4L2_FIELD_NONE:
	case V4L2_FIELD_INTERLACED:
		break;
	case V4L2_FIELD_ANY:
	default:
		pix->field = V4L2_FIELD_INTERLACED;
		break;
	}

	/* Just set these */
	pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
	pix->sizeimage = FRAME_BUF_SIZE;
	pix->bytesperline = 0;
	pix->priv = 0;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 133 71.89% 1 14.29%
hans verkuil hans verkuil 30 16.22% 3 42.86%
krzysztof halasa krzysztof halasa 16 8.65% 2 28.57%
ismael luceno ismael luceno 6 3.24% 1 14.29%
Total 185 100.00% 7 100.00%



static int solo_enc_set_fmt_cap(struct file *file, void *priv,
				struct v4l2_format *f)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	struct v4l2_pix_format *pix = &f->fmt.pix;
	int ret;

	if (vb2_is_busy(&solo_enc->vidq))
		return -EBUSY;

	ret = solo_enc_try_fmt_cap(file, priv, f);
	if (ret)
		return ret;

	if (pix->width == solo_dev->video_hsize)
		solo_enc->mode = SOLO_ENC_MODE_D1;
	else
		solo_enc->mode = SOLO_ENC_MODE_CIF;

	/* This does not change the encoder at all */
	solo_enc->fmt = pix->pixelformat;

	/*
         * More information is needed about these 'extended' types. As far
         * as I can tell these are basically additional video streams with
         * different MPEG encoding attributes that can run in parallel with
         * the main stream. If so, then this should be implemented as a
         * second video node. Abusing priv like this is certainly not the
         * right approach.
        if (pix->priv)
                solo_enc->type = SOLO_ENC_TYPE_EXT;
         */
	solo_update_mode(solo_enc);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 98 77.17% 2 20.00%
hans verkuil hans verkuil 19 14.96% 5 50.00%
ismael luceno ismael luceno 5 3.94% 1 10.00%
facugaich facugaich 4 3.15% 1 10.00%
krzysztof halasa krzysztof halasa 1 0.79% 1 10.00%
Total 127 100.00% 10 100.00%



static int solo_enc_get_fmt_cap(struct file *file, void *priv,
				struct v4l2_format *f)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct v4l2_pix_format *pix = &f->fmt.pix;

	pix->width = solo_enc->width;
	pix->height = solo_enc->height;
	pix->pixelformat = solo_enc->fmt;
	pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
		     V4L2_FIELD_NONE;
	pix->sizeimage = FRAME_BUF_SIZE;
	pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
	pix->priv = 0;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 55 55.56% 1 25.00%
hans verkuil hans verkuil 44 44.44% 3 75.00%
Total 99 100.00% 4 100.00%



static int solo_enc_g_std(struct file *file, void *priv, v4l2_std_id *i)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
		*i = V4L2_STD_NTSC_M;
	else
		*i = V4L2_STD_PAL;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 40 66.67% 1 50.00%
ben collins ben collins 20 33.33% 1 50.00%
Total 60 100.00% 2 100.00%



static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id std)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);

	return solo_set_video_type(solo_enc->solo_dev, std & V4L2_STD_625_50);
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 40 100.00% 2 100.00%
Total 40 100.00% 2 100.00%



static int solo_enum_framesizes(struct file *file, void *priv,
				struct v4l2_frmsizeenum *fsize)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	if (solo_valid_pixfmt(fsize->pixel_format, solo_dev->type))
		return -EINVAL;

	switch (fsize->index) {
	case 0:
		fsize->discrete.width = solo_dev->video_hsize >> 1;
		fsize->discrete.height = solo_dev->video_vsize;
		break;
	case 1:
		fsize->discrete.width = solo_dev->video_hsize;
		fsize->discrete.height = solo_dev->video_vsize << 1;
		break;
	default:
		return -EINVAL;
	}

	fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 115 88.46% 1 20.00%
hans verkuil hans verkuil 8 6.15% 2 40.00%
ismael luceno ismael luceno 6 4.62% 1 20.00%
krzysztof halasa krzysztof halasa 1 0.77% 1 20.00%
Total 130 100.00% 5 100.00%



static int solo_enum_frameintervals(struct file *file, void *priv,
				    struct v4l2_frmivalenum *fintv)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct solo_dev *solo_dev = solo_enc->solo_dev;

	if (solo_valid_pixfmt(fintv->pixel_format, solo_dev->type))
		return -EINVAL;
	if (fintv->index)
		return -EINVAL;
	if ((fintv->width != solo_dev->video_hsize >> 1 ||
	     fintv->height != solo_dev->video_vsize) &&
	    (fintv->width != solo_dev->video_hsize ||
	     fintv->height != solo_dev->video_vsize << 1))
		return -EINVAL;

	fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;

	fintv->stepwise.min.numerator = 1;
	fintv->stepwise.min.denominator = solo_dev->fps;

	fintv->stepwise.max.numerator = 15;
	fintv->stepwise.max.denominator = solo_dev->fps;

	fintv->stepwise.step.numerator = 1;
	fintv->stepwise.step.denominator = solo_dev->fps;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 101 54.01% 1 16.67%
hans verkuil hans verkuil 79 42.25% 3 50.00%
ismael luceno ismael luceno 6 3.21% 1 16.67%
krzysztof halasa krzysztof halasa 1 0.53% 1 16.67%
Total 187 100.00% 6 100.00%



static int solo_g_parm(struct file *file, void *priv,
		       struct v4l2_streamparm *sp)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct v4l2_captureparm *cp = &sp->parm.capture;

	cp->capability = V4L2_CAP_TIMEPERFRAME;
	cp->timeperframe.numerator = solo_enc->interval;
	cp->timeperframe.denominator = solo_enc->solo_dev->fps;
	cp->capturemode = 0;
	/* XXX: Shouldn't we be able to get/set this from videobuf? */
	cp->readbuffers = 2;

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 80 93.02% 1 33.33%
hans verkuil hans verkuil 4 4.65% 1 33.33%
ismael luceno ismael luceno 2 2.33% 1 33.33%
Total 86 100.00% 3 100.00%



static inline int calc_interval(u8 fps, u32 n, u32 d)
{
	if (!n || !d)
		return 1;
	if (d == fps)
		return n;
	n *= fps;
	return min(15U, n / d + (n % d >= (fps >> 1)));
}

Contributors
Person Tokens Prop Commits CommitProp
ismael luceno ismael luceno 62 100.00% 1 100.00%
Total 62 100.00% 1 100.00%



static int solo_s_parm(struct file *file, void *priv,
		       struct v4l2_streamparm *sp)
{
	struct solo_enc_dev *solo_enc = video_drvdata(file);
	struct v4l2_fract *t = &sp->parm.capture.timeperframe;
	u8 fps = solo_enc->solo_dev->fps;

	if (vb2_is_streaming(&solo_enc->vidq))
		return -EBUSY;

	solo_enc->interval = calc_interval(fps, t->numerator, t->denominator);
	solo_update_mode(solo_enc);
	return solo_g_parm(file, priv, sp);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 61 61.62% 1 20.00%
ismael luceno ismael luceno 30 30.30% 1 20.00%
hans verkuil hans verkuil 8 8.08% 3 60.00%
Total 99 100.00% 5 100.00%



static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct solo_enc_dev *solo_enc =
		container_of(ctrl->handler, struct solo_enc_dev, hdl);
	struct solo_dev *solo_dev = solo_enc->solo_dev;
	int err;

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
	case V4L2_CID_CONTRAST:
	case V4L2_CID_SATURATION:
	case V4L2_CID_HUE:
	case V4L2_CID_SHARPNESS:
		return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
					 ctrl->val);
	case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
		solo_enc->gop = ctrl->val;
		solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch), solo_enc->gop);
		solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch), solo_enc->gop);
		return 0;
	case V4L2_CID_MPEG_VIDEO_H264_MIN_QP:
		solo_enc->qp = ctrl->val;
		solo_reg_write(solo_dev, SOLO_VE_CH_QP(solo_enc->ch), solo_enc->qp);
		solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(solo_enc->ch), solo_enc->qp);
		return 0;
	case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
		solo_enc->motion_thresh = ctrl->val << 8;
		if (!solo_enc->motion_global || !solo_enc->motion_enabled)
			return 0;
		return solo_set_motion_threshold(solo_dev, solo_enc->ch,
				solo_enc->motion_thresh);
	case V4L2_CID_DETECT_MD_MODE:
		solo_enc->motion_global = ctrl->val == V4L2_DETECT_MD_MODE_GLOBAL;
		solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
		if (ctrl->val) {
			if (solo_enc->motion_global)
				err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
					solo_enc->motion_thresh);
			else
				err = solo_set_motion_block(solo_dev, solo_enc->ch,
					solo_enc->md_thresholds->p_cur.p_u16);
			if (err)
				return err;
		}
		solo_motion_toggle(solo_enc, ctrl->val);
		return 0;
	case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
		if (solo_enc->motion_enabled && !solo_enc->motion_global)
			return solo_set_motion_block(solo_dev, solo_enc->ch,
					solo_enc->md_thresholds->p_new.p_u16);
		break;
	case V4L2_CID_OSD_TEXT:
		strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
		return solo_osd_print(solo_enc);
	default:
		return -EINVAL;
	}

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 206 55.83% 5 55.56%
ben collins ben collins 84 22.76% 1 11.11%
andrey utkin andrey utkin 78 21.14% 2 22.22%
krzysztof halasa krzysztof halasa 1 0.27% 1 11.11%
Total 369 100.00% 9 100.00%



static int solo_subscribe_event(struct v4l2_fh *fh,
				const struct v4l2_event_subscription *sub)
{

	switch (sub->type) {
	case V4L2_EVENT_CTRL:
		return v4l2_ctrl_subscribe_event(fh, sub);
	case V4L2_EVENT_MOTION_DET:
		/* Allow for up to 30 events (1 second for NTSC) to be
                 * stored. */
		return v4l2_event_subscribe(fh, sub, 30, NULL);
	}
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 56 100.00% 1 100.00%
Total 56 100.00% 1 100.00%


static const struct v4l2_file_operations solo_enc_fops = {
	.owner			= THIS_MODULE,
	.open			= v4l2_fh_open,
	.release		= vb2_fop_release,
	.read			= vb2_fop_read,
	.poll			= vb2_fop_poll,
	.mmap			= vb2_fop_mmap,
	.unlocked_ioctl		= video_ioctl2,
};


static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
	.vidioc_querycap		= solo_enc_querycap,
	.vidioc_s_std			= solo_enc_s_std,
	.vidioc_g_std			= solo_enc_g_std,
	/* Input callbacks */
	.vidioc_enum_input		= solo_enc_enum_input,
	.vidioc_s_input			= solo_enc_set_input,
	.vidioc_g_input			= solo_enc_get_input,
	/* Video capture format callbacks */
	.vidioc_enum_fmt_vid_cap	= solo_enc_enum_fmt_cap,
	.vidioc_try_fmt_vid_cap		= solo_enc_try_fmt_cap,
	.vidioc_s_fmt_vid_cap		= solo_enc_set_fmt_cap,
	.vidioc_g_fmt_vid_cap		= solo_enc_get_fmt_cap,
	/* Streaming I/O */
	.vidioc_reqbufs			= vb2_ioctl_reqbufs,
	.vidioc_querybuf		= vb2_ioctl_querybuf,
	.vidioc_qbuf			= vb2_ioctl_qbuf,
	.vidioc_dqbuf			= vb2_ioctl_dqbuf,
	.vidioc_streamon		= vb2_ioctl_streamon,
	.vidioc_streamoff		= vb2_ioctl_streamoff,
	/* Frame size and interval */
	.vidioc_enum_framesizes		= solo_enum_framesizes,
	.vidioc_enum_frameintervals	= solo_enum_frameintervals,
	/* Video capture parameters */
	.vidioc_s_parm			= solo_s_parm,
	.vidioc_g_parm			= solo_g_parm,
	/* Logging and events */
	.vidioc_log_status		= v4l2_ctrl_log_status,
	.vidioc_subscribe_event		= solo_subscribe_event,
	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
};


static const struct video_device solo_enc_template = {
	.name			= SOLO6X10_NAME,
	.fops			= &solo_enc_fops,
	.ioctl_ops		= &solo_enc_ioctl_ops,
	.minor			= -1,
	.release		= video_device_release,
	.tvnorms		= V4L2_STD_NTSC_M | V4L2_STD_PAL,
};


static const struct v4l2_ctrl_ops solo_ctrl_ops = {
	.s_ctrl = solo_s_ctrl,
};


static const struct v4l2_ctrl_config solo_osd_text_ctrl = {
	.ops = &solo_ctrl_ops,
	.id = V4L2_CID_OSD_TEXT,
	.name = "OSD Text",
	.type = V4L2_CTRL_TYPE_STRING,
	.max = OSD_TEXT_MAX,
	.step = 1,
};

/* Motion Detection Threshold matrix */

static const struct v4l2_ctrl_config solo_md_thresholds = {
	.ops = &solo_ctrl_ops,
	.id = V4L2_CID_DETECT_MD_THRESHOLD_GRID,
	.dims = { SOLO_MOTION_SZ, SOLO_MOTION_SZ },
	.def = SOLO_DEF_MOT_THRESH,
	.max = 65535,
	.step = 1,
};



static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
					   u8 ch, unsigned nr)
{
	struct solo_enc_dev *solo_enc;
	struct v4l2_ctrl_handler *hdl;
	int ret;

	solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
	if (!solo_enc)
		return ERR_PTR(-ENOMEM);

	hdl = &solo_enc->hdl;
	solo_enc->alloc_ctx = vb2_dma_sg_init_ctx(&solo_dev->pdev->dev);
	if (IS_ERR(solo_enc->alloc_ctx)) {
		ret = PTR_ERR(solo_enc->alloc_ctx);
		goto hdl_free;
	}
	v4l2_ctrl_handler_init(hdl, 10);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_CONTRAST, 0, 255, 1, 128);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_SATURATION, 0, 255, 1, 128);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_HUE, 0, 255, 1, 128);
	if (tw28_has_sharpness(solo_dev, ch))
		v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_SHARPNESS, 0, 15, 1, 0);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_MPEG_VIDEO_GOP_SIZE, 1, 255, 1, solo_dev->fps);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_MPEG_VIDEO_H264_MIN_QP, 0, 31, 1, SOLO_DEFAULT_QP);
	v4l2_ctrl_new_std_menu(hdl, &solo_ctrl_ops,
			V4L2_CID_DETECT_MD_MODE,
			V4L2_DETECT_MD_MODE_THRESHOLD_GRID, 0,
			V4L2_DETECT_MD_MODE_DISABLED);
	v4l2_ctrl_new_std(hdl, &solo_ctrl_ops,
			V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD, 0, 0xff, 1,
			SOLO_DEF_MOT_THRESH >> 8);
	v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, NULL);
	solo_enc->md_thresholds =
		v4l2_ctrl_new_custom(hdl, &solo_md_thresholds, NULL);
	if (hdl->error) {
		ret = hdl->error;
		goto hdl_free;
	}

	solo_enc->solo_dev = solo_dev;
	solo_enc->ch = ch;
	mutex_init(&solo_enc->lock);
	spin_lock_init(&solo_enc->av_lock);
	INIT_LIST_HEAD(&solo_enc->vidq_active);
	solo_enc->fmt = (solo_dev->type == SOLO_DEV_6010) ?
		V4L2_PIX_FMT_MPEG4 : V4L2_PIX_FMT_H264;
	solo_enc->type = SOLO_ENC_TYPE_STD;

	solo_enc->qp = SOLO_DEFAULT_QP;
	solo_enc->gop = solo_dev->fps;
	solo_enc->interval = 1;
	solo_enc->mode = SOLO_ENC_MODE_CIF;
	solo_enc->motion_global = true;
	solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
	solo_enc->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
	solo_enc->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
	solo_enc->vidq.ops = &solo_enc_video_qops;
	solo_enc->vidq.mem_ops = &vb2_dma_sg_memops;
	solo_enc->vidq.drv_priv = solo_enc;
	solo_enc->vidq.gfp_flags = __GFP_DMA32 | __GFP_KSWAPD_RECLAIM;
	solo_enc->vidq.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
	solo_enc->vidq.buf_struct_size = sizeof(struct solo_vb2_buf);
	solo_enc->vidq.lock = &solo_enc->lock;
	ret = vb2_queue_init(&solo_enc->vidq);
	if (ret)
		goto hdl_free;
	solo_update_mode(solo_enc);

	spin_lock_init(&solo_enc->motion_lock);

	/* Initialize this per encoder */
	solo_enc->jpeg_len = sizeof(jpeg_header);
	memcpy(solo_enc->jpeg_header, jpeg_header, solo_enc->jpeg_len);

	solo_enc->desc_nelts = 32;
	solo_enc->desc_items = pci_alloc_consistent(solo_dev->pdev,
				      sizeof(struct solo_p2m_desc) *
				      solo_enc->desc_nelts,
				      &solo_enc->desc_dma);
	ret = -ENOMEM;
	if (solo_enc->desc_items == NULL)
		goto hdl_free;

	solo_enc->vfd = video_device_alloc();
	if (!solo_enc->vfd)
		goto pci_free;

	*solo_enc->vfd = solo_enc_template;
	solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
	solo_enc->vfd->ctrl_handler = hdl;
	solo_enc->vfd->queue = &solo_enc->vidq;
	solo_enc->vfd->lock = &solo_enc->lock;
	video_set_drvdata(solo_enc->vfd, solo_enc);
	ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
	if (ret < 0)
		goto vdev_release;

	snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
		 "%s-enc (%i/%i)", SOLO6X10_NAME, solo_dev->vfd->num,
		 solo_enc->vfd->num);

	return solo_enc;

vdev_release:
	video_device_release(solo_enc->vfd);
pci_free:
	pci_free_consistent(solo_enc->solo_dev->pdev,
			sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
			solo_enc->desc_items, solo_enc->desc_dma);
hdl_free:
	v4l2_ctrl_handler_free(hdl);
	vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
	kfree(solo_enc);
	return ERR_PTR(ret);
}

Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 612 76.31% 9 60.00%
ben collins ben collins 157 19.58% 1 6.67%
andrey utkin andrey utkin 18 2.24% 1 6.67%
ismael luceno ismael luceno 10 1.25% 1 6.67%
krzysztof halasa krzysztof halasa 2 0.25% 1 6.67%
mel gorman mel gorman 2 0.25% 1 6.67%
sakari ailus sakari ailus 1 0.12% 1 6.67%
Total 802 100.00% 15 100.00%



static void solo_enc_free(struct solo_enc_dev *solo_enc)
{
	if (solo_enc == NULL)
		return;

	pci_free_consistent(solo_enc->solo_dev->pdev,
			sizeof(struct solo_p2m_desc) * solo_enc->desc_nelts,
			solo_enc->desc_items, solo_enc->desc_dma);
	video_unregister_device(solo_enc->vfd);
	v4l2_ctrl_handler_free(&solo_enc->hdl);
	vb2_dma_sg_cleanup_ctx(solo_enc->alloc_ctx);
	kfree(solo_enc);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 30 41.67% 1 25.00%
andrey utkin andrey utkin 27 37.50% 1 25.00%
hans verkuil hans verkuil 15 20.83% 2 50.00%
Total 72 100.00% 4 100.00%



int solo_enc_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
{
	int i;

	init_waitqueue_head(&solo_dev->ring_thread_wait);

	solo_dev->vh_size = sizeof(vop_header);
	solo_dev->vh_buf = pci_alloc_consistent(solo_dev->pdev,
						solo_dev->vh_size,
						&solo_dev->vh_dma);
	if (solo_dev->vh_buf == NULL)
		return -ENOMEM;

	for (i = 0; i < solo_dev->nr_chans; i++) {
		solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i, nr);
		if (IS_ERR(solo_dev->v4l2_enc[i]))
			break;
	}

	if (i != solo_dev->nr_chans) {
		int ret = PTR_ERR(solo_dev->v4l2_enc[i]);

		while (i--)
			solo_enc_free(solo_dev->v4l2_enc[i]);
		pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
				    solo_dev->vh_buf, solo_dev->vh_dma);
		solo_dev->vh_buf = NULL;
		return ret;
	}

	if (solo_dev->type == SOLO_DEV_6010)
		solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
	else
		solo_dev->enc_bw_remain = solo_dev->fps * 4 * 5;

	dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
		 solo_dev->v4l2_enc[0]->vfd->num,
		 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);

	return solo_ring_start(solo_dev);
}

Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 149 58.66% 1 20.00%
hans verkuil hans verkuil 100 39.37% 2 40.00%
andrey utkin andrey utkin 4 1.57% 1 20.00%
krzysztof halasa krzysztof halasa 1 0.39% 1 20.00%
Total 254 100.00% 5 100.00%



void solo_enc_v4l2_exit(struct solo_dev *solo_dev)
{
	int i;

	solo_ring_stop(solo_dev);

	for (i = 0; i < solo_dev->nr_chans; i++)
		solo_enc_free(solo_dev->v4l2_enc[i]);

	if (solo_dev->vh_buf)
		pci_free_consistent(solo_dev->pdev, solo_dev->vh_size,
			    solo_dev->vh_buf, solo_dev->vh_dma);
}
Contributors
Person Tokens Prop Commits CommitProp
ben collins ben collins 37 54.41% 1 20.00%
hans verkuil hans verkuil 25 36.76% 2 40.00%
andrey utkin andrey utkin 5 7.35% 1 20.00%
krzysztof halasa krzysztof halasa 1 1.47% 1 20.00%
Total 68 100.00% 5 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
hans verkuil hans verkuil 4015 53.96% 25 49.02%
ben collins ben collins 2156 28.97% 3 5.88%
krzysztof halasa krzysztof halasa 730 9.81% 7 13.73%
ismael luceno ismael luceno 241 3.24% 4 7.84%
andrey utkin andrey utkin 200 2.69% 5 9.80%
junghak sung junghak sung 75 1.01% 2 3.92%
andreea-cristina bernat andreea-cristina bernat 8 0.11% 1 1.96%
facugaich facugaich 8 0.11% 1 1.96%
ricardo ribalda ricardo ribalda 5 0.07% 1 1.96%
mel gorman mel gorman 2 0.03% 1 1.96%
sakari ailus sakari ailus 1 0.01% 1 1.96%
Total 7441 100.00% 51 100.00%
  Directory: drivers/media/pci/solo6x10

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
hans verkuil	hans verkuil	27	81.82%	1	50.00%
ben collins	ben collins	6	18.18%	1	50.00%
	Total	33	100.00%	2	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c

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