diff options
Diffstat (limited to 'drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c')
| -rw-r--r-- | drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c | 1414 |
1 files changed, 0 insertions, 1414 deletions
diff --git a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c b/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c deleted file mode 100644 index b8ff113c20f4..000000000000 --- a/drivers/staging/media/solo6x10/solo6x10-v4l2-enc.c +++ /dev/null @@ -1,1414 +0,0 @@ -/* - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#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 unsigned char 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 unsigned char 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 unsigned char 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 unsigned char 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 unsigned char 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 unsigned char 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 unsigned char 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 unsigned char 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; -} - -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; -} - -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); -} - -void solo_update_mode(struct solo_enc_dev *solo_enc) -{ - struct solo_dev *solo_dev = solo_enc->solo_dev; - int vop_len; - unsigned char *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); -} - -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; -} - -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); -} - -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; -} - -/* 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); -} - -/* Extract values from VOP header - VE_STATUSxx */ -static inline int vop_interlaced(const vop_header *vh) -{ - return (__le32_to_cpu((*vh)[0]) >> 30) & 1; -} - -static inline u8 vop_channel(const vop_header *vh) -{ - return (__le32_to_cpu((*vh)[0]) >> 24) & 0x1F; -} - -static inline u8 vop_type(const vop_header *vh) -{ - return (__le32_to_cpu((*vh)[0]) >> 22) & 3; -} - -static inline u32 vop_mpeg_size(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[0]) & 0xFFFFF; -} - -static inline u8 vop_hsize(const vop_header *vh) -{ - return (__le32_to_cpu((*vh)[1]) >> 8) & 0xFF; -} - -static inline u8 vop_vsize(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[1]) & 0xFF; -} - -static inline u32 vop_mpeg_offset(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[2]); -} - -static inline u32 vop_jpeg_offset(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[3]); -} - -static inline u32 vop_jpeg_size(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[4]) & 0xFFFFF; -} - -static inline u32 vop_sec(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[5]); -} - -static inline u32 vop_usec(const vop_header *vh) -{ - return __le32_to_cpu((*vh)[6]); -} - -static int solo_fill_jpeg(struct solo_enc_dev *solo_enc, - struct vb2_buffer *vb, const vop_header *vh) -{ - struct solo_dev *solo_dev = solo_enc->solo_dev; - struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); - int frame_size; - int ret; - - vb->v4l2_buf.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); - - /* may discard all previous data in vbuf->sgl */ - dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, - DMA_FROM_DEVICE); - ret = solo_send_desc(solo_enc, solo_enc->jpeg_len, vbuf, - vop_jpeg_offset(vh) - SOLO_JPEG_EXT_ADDR(solo_dev), - frame_size, SOLO_JPEG_EXT_ADDR(solo_dev), - SOLO_JPEG_EXT_SIZE(solo_dev)); - dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, - DMA_FROM_DEVICE); - - /* add the header only after dma_unmap_sg() */ - sg_copy_from_buffer(vbuf->sgl, vbuf->nents, - solo_enc->jpeg_header, solo_enc->jpeg_len); - - return ret; -} - -static int solo_fill_mpeg(struct solo_enc_dev *solo_enc, - struct vb2_buffer *vb, const vop_header *vh) -{ - struct solo_dev *solo_dev = solo_enc->solo_dev; - struct sg_table *vbuf = vb2_dma_sg_plane_desc(vb, 0); - int frame_off, frame_size; - int skip = 0; - int ret; - - if (vb2_plane_size(vb, 0) < vop_mpeg_size(vh)) - return -EIO; - - /* If this is a key frame, add extra header */ - vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_KEYFRAME | V4L2_BUF_FLAG_PFRAME | - V4L2_BUF_FLAG_BFRAME); - if (!vop_type(vh)) { - skip = solo_enc->vop_len; - vb->v4l2_buf.flags |= V4L2_BUF_FLAG_KEYFRAME; - vb2_set_plane_payload(vb, 0, vop_mpeg_size(vh) + - solo_enc->vop_len); - } else { - vb->v4l2_buf.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); - - /* may discard all previous data in vbuf->sgl */ - dma_map_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, - DMA_FROM_DEVICE); - ret = solo_send_desc(solo_enc, skip, vbuf, frame_off, frame_size, - SOLO_MP4E_EXT_ADDR(solo_dev), - SOLO_MP4E_EXT_SIZE(solo_dev)); - dma_unmap_sg(&solo_dev->pdev->dev, vbuf->sgl, vbuf->nents, - DMA_FROM_DEVICE); - - /* add the header only after dma_unmap_sg() */ - if (!vop_type(vh)) - sg_copy_from_buffer(vbuf->sgl, vbuf->nents, - solo_enc->vop, solo_enc->vop_len); - return ret; -} - -static int solo_enc_fillbuf(struct solo_enc_dev *solo_enc, - struct vb2_buffer *vb, struct solo_enc_buf *enc_buf) -{ - const vop_header *vh = enc_buf->vh; - int ret; - - /* Check for motion flags */ - vb->v4l2_buf.flags &= ~(V4L2_BUF_FLAG_MOTION_ON | - V4L2_BUF_FLAG_MOTION_DETECTED); - if (solo_is_motion_on(solo_enc)) { - vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_ON; - if (enc_buf->motion) - vb->v4l2_buf.flags |= V4L2_BUF_FLAG_MOTION_DETECTED; - } - - 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) { - vb->v4l2_buf.sequence = solo_enc->sequence++; - vb->v4l2_buf.timestamp.tv_sec = vop_sec(vh); - vb->v4l2_buf.timestamp.tv_usec = vop_usec(vh); - } - - vb2_buffer_done(vb, ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); - - return ret; -} - -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, enc_buf); -unlock: - mutex_unlock(&solo_enc->lock); -} - -void solo_enc_v4l2_isr(struct solo_dev *solo_dev) -{ - wake_up_interruptible_all(&solo_dev->ring_thread_wait); -} - -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); - } -} - -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_irq_off(solo_dev, SOLO_IRQ_ENCODER); - solo_handle_ring(solo_dev); - solo_irq_on(solo_dev, SOLO_IRQ_ENCODER); - try_to_freeze(); - } - - remove_wait_queue(&solo_dev->ring_thread_wait, &wait); - - return 0; -} - -static int solo_enc_queue_setup(struct vb2_queue *q, - const struct v4l2_format *fmt, - unsigned int *num_buffers, - unsigned int *num_planes, unsigned int sizes[], - void *alloc_ctxs[]) -{ - sizes[0] = FRAME_BUF_SIZE; - *num_planes = 1; - - if (*num_buffers < MIN_VID_BUFFERS) - *num_buffers = MIN_VID_BUFFERS; - - return 0; -} - -static void solo_enc_buf_queue(struct vb2_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(vb, 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); -} - -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; -} - -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); -} - -static int solo_enc_start_streaming(struct vb2_queue *q, unsigned int count) -{ - struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); - int ret; - - ret = solo_enc_on(solo_enc); - if (ret) - return ret; - return solo_ring_start(solo_enc->solo_dev); -} - -static void solo_enc_stop_streaming(struct vb2_queue *q) -{ - struct solo_enc_dev *solo_enc = vb2_get_drv_priv(q); - - solo_enc_off(solo_enc); - INIT_LIST_HEAD(&solo_enc->vidq_active); - solo_ring_stop(solo_enc->solo_dev); -} - -static struct vb2_ops solo_enc_video_qops = { - .queue_setup = solo_enc_queue_setup, - .buf_queue = solo_enc_buf_queue, - .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; -} - -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; -} - -static int solo_enc_set_input(struct file *file, void *priv, - unsigned int index) -{ - if (index) - return -EINVAL; - - return 0; -} - -static int solo_enc_get_input(struct file *file, void *priv, - unsigned int *index) -{ - *index = 0; - - return 0; -} - -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; -} - -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; -} - -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; -} - -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; -} - -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; -} - -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; -} - -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); -} - -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; -} - -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; -} - -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; -} - -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))); -} - -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); -} - -static long solo_enc_default(struct file *file, void *fh, - bool valid_prio, unsigned int cmd, void *arg) -{ - struct solo_enc_dev *solo_enc = video_drvdata(file); - struct solo_dev *solo_dev = solo_enc->solo_dev; - struct solo_motion_thresholds *thresholds = arg; - - switch (cmd) { - case SOLO_IOC_G_MOTION_THRESHOLDS: - *thresholds = solo_enc->motion_thresholds; - return 0; - - case SOLO_IOC_S_MOTION_THRESHOLDS: - if (!valid_prio) - return -EBUSY; - solo_enc->motion_thresholds = *thresholds; - if (solo_enc->motion_enabled && !solo_enc->motion_global) - return solo_set_motion_block(solo_dev, solo_enc->ch, - &solo_enc->motion_thresholds); - return 0; - default: - return -ENOTTY; - } -} - -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; - return 0; - case V4L2_CID_MOTION_THRESHOLD: - solo_enc->motion_thresh = ctrl->val; - if (!solo_enc->motion_global || !solo_enc->motion_enabled) - return 0; - return solo_set_motion_threshold(solo_dev, solo_enc->ch, - ctrl->val); - case V4L2_CID_MOTION_MODE: - solo_enc->motion_global = ctrl->val == 1; - solo_enc->motion_enabled = ctrl->val > 0; - if (ctrl->val) { - if (solo_enc->motion_global) - solo_set_motion_threshold(solo_dev, - solo_enc->ch, solo_enc->motion_thresh); - else - solo_set_motion_block(solo_dev, solo_enc->ch, - &solo_enc->motion_thresholds); - } - solo_motion_toggle(solo_enc, ctrl->val); - return 0; - case V4L2_CID_OSD_TEXT: - strcpy(solo_enc->osd_text, ctrl->string); - err = solo_osd_print(solo_enc); - return err; - default: - return -EINVAL; - } - - return 0; -} - -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 = v4l2_ctrl_subscribe_event, - .vidioc_unsubscribe_event = v4l2_event_unsubscribe, - .vidioc_default = solo_enc_default, -}; - -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_motion_threshold_ctrl = { - .ops = &solo_ctrl_ops, - .id = V4L2_CID_MOTION_THRESHOLD, - .name = "Motion Detection Threshold", - .type = V4L2_CTRL_TYPE_INTEGER, - .max = 0xffff, - .def = SOLO_DEF_MOT_THRESH, - .step = 1, - .flags = V4L2_CTRL_FLAG_SLIDER, -}; - -static const char * const solo_motion_mode_menu[] = { - "Disabled", - "Global Threshold", - "Regional Threshold", - NULL -}; - -static const struct v4l2_ctrl_config solo_motion_enable_ctrl = { - .ops = &solo_ctrl_ops, - .id = V4L2_CID_MOTION_MODE, - .name = "Motion Detection Mode", - .type = V4L2_CTRL_TYPE_MENU, - .qmenu = solo_motion_mode_menu, - .max = 2, -}; - -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, -}; - -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; - int x, y; - - solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); - if (!solo_enc) - return ERR_PTR(-ENOMEM); - - hdl = &solo_enc->hdl; - 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_custom(hdl, &solo_motion_threshold_ctrl, NULL); - v4l2_ctrl_new_custom(hdl, &solo_motion_enable_ctrl, NULL); - v4l2_ctrl_new_custom(hdl, &solo_osd_text_ctrl, 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; - for (y = 0; y < SOLO_MOTION_SZ; y++) - for (x = 0; x < SOLO_MOTION_SZ; x++) - solo_enc->motion_thresholds.thresholds[y][x] = - 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; - 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; - set_bit(V4L2_FL_USE_FH_PRIO, &solo_enc->vfd->flags); - 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); - kfree(solo_enc); - return ERR_PTR(ret); -} - -static void solo_enc_free(struct solo_enc_dev *solo_enc) -{ - if (solo_enc == NULL) - return; - - video_unregister_device(solo_enc->vfd); - v4l2_ctrl_handler_free(&solo_enc->hdl); - kfree(solo_enc); -} - -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 0; -} - -void solo_enc_v4l2_exit(struct solo_dev *solo_dev) -{ - int i; - - 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); -} |