diff options
Diffstat (limited to 'drivers/staging/solo6x10/solo6010-v4l2-enc.c')
| -rw-r--r-- | drivers/staging/solo6x10/solo6010-v4l2-enc.c | 1564 |
1 files changed, 1564 insertions, 0 deletions
diff --git a/drivers/staging/solo6x10/solo6010-v4l2-enc.c b/drivers/staging/solo6x10/solo6010-v4l2-enc.c new file mode 100644 index 000000000000..f114b4b7d8ee --- /dev/null +++ b/drivers/staging/solo6x10/solo6010-v4l2-enc.c @@ -0,0 +1,1564 @@ +/* + * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com + * Copyright (C) 2010 Ben Collins <bcollins@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/videobuf-dma-contig.h> + +#include "solo6010.h" +#include "solo6010-tw28.h" +#include "solo6010-jpeg.h" + +#define MIN_VID_BUFFERS 4 +#define FRAME_BUF_SIZE (128 * 1024) +#define MP4_QS 16 + +static int solo_enc_thread(void *data); + +extern unsigned video_nr; + +struct solo_enc_fh { + struct solo_enc_dev *enc; + u32 fmt; + u16 rd_idx; + u8 enc_on; + enum solo_enc_types type; + struct videobuf_queue vidq; + struct list_head vidq_active; + struct task_struct *kthread; +}; + +static unsigned char vid_vop_header[] = { + 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20, + 0x02, 0x48, 0x05, 0xc0, 0x00, 0x40, 0x00, 0x40, + 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04, + 0x1f, 0x4c, 0x58, 0x10, 0x78, 0x51, 0x18, 0x3e, +}; + +/* + * Things we can change around: + * + * byte 10, 4-bits 01111000 aspect + * bytes 21,22,23 16-bits 000x1111 11111111 1111x000 fps/res + * bytes 23,24,25 15-bits 00000n11 11111111 11111x00 interval + * bytes 25,26,27 13-bits 00000x11 11111111 111x0000 width + * bytes 27,28,29 13-bits 000x1111 11111111 1x000000 height + * byte 29 1-bit 0x100000 interlace + */ + +/* For aspect */ +#define XVID_PAR_43_PAL 2 +#define XVID_PAR_43_NTSC 3 + +static const u32 solo_user_ctrls[] = { + V4L2_CID_BRIGHTNESS, + V4L2_CID_CONTRAST, + V4L2_CID_SATURATION, + V4L2_CID_HUE, + V4L2_CID_SHARPNESS, + 0 +}; + +static const u32 solo_mpeg_ctrls[] = { + V4L2_CID_MPEG_VIDEO_ENCODING, + V4L2_CID_MPEG_VIDEO_GOP_SIZE, + 0 +}; + +static const u32 solo_private_ctrls[] = { + V4L2_CID_MOTION_ENABLE, + V4L2_CID_MOTION_THRESHOLD, + 0 +}; + +static const u32 solo_fmtx_ctrls[] = { + V4L2_CID_RDS_TX_RADIO_TEXT, + 0 +}; + +static const u32 *solo_ctrl_classes[] = { + solo_user_ctrls, + solo_mpeg_ctrls, + solo_fmtx_ctrls, + solo_private_ctrls, + NULL +}; + +struct vop_header { + /* VD_IDX0 */ + u32 size:20, sync_start:1, page_stop:1, vop_type:2, channel:4, + nop0:1, source_fl:1, interlace:1, progressive:1; + + /* VD_IDX1 */ + u32 vsize:8, hsize:8, frame_interop:1, nop1:7, win_id:4, scale:4; + + /* VD_IDX2 */ + u32 base_addr:16, nop2:15, hoff:1; + + /* VD_IDX3 - User set macros */ + u32 sy:12, sx:12, nop3:1, hzoom:1, read_interop:1, write_interlace:1, + scale_mode:4; + + /* VD_IDX4 - User set macros continued */ + u32 write_page:8, nop4:24; + + /* VD_IDX5 */ + u32 next_code_addr; + + u32 end_nops[10]; +} __attribute__((packed)); + +static int solo_is_motion_on(struct solo_enc_dev *solo_enc) +{ + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + u8 ch = solo_enc->ch; + + if (solo_dev->motion_mask & (1 << ch)) + return 1; + return 0; +} + +static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on) +{ + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + u8 ch = solo_enc->ch; + + spin_lock(&solo_enc->lock); + + if (on) + solo_dev->motion_mask |= (1 << ch); + else + solo_dev->motion_mask &= ~(1 << ch); + + solo_reg_write(solo_dev, SOLO_VI_MOT_ADR, + SOLO_VI_MOTION_EN(solo_dev->motion_mask) | + (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16)); + + if (solo_dev->motion_mask) + solo6010_irq_on(solo_dev, SOLO_IRQ_MOTION); + else + solo6010_irq_off(solo_dev, SOLO_IRQ_MOTION); + + spin_unlock(&solo_enc->lock); +} + +/* Should be called with solo_enc->lock held */ +static void solo_update_mode(struct solo_enc_dev *solo_enc) +{ + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + assert_spin_locked(&solo_enc->lock); + + solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0; + solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1); + + switch (solo_enc->mode) { + case SOLO_ENC_MODE_CIF: + solo_enc->width = solo_dev->video_hsize >> 1; + solo_enc->height = solo_dev->video_vsize; + break; + case SOLO_ENC_MODE_D1: + solo_enc->width = solo_dev->video_hsize; + solo_enc->height = solo_dev->video_vsize << 1; + solo_enc->bw_weight <<= 2; + break; + default: + WARN(1, "mode is unknown"); + } +} + +/* Should be called with solo_enc->lock held */ +static int solo_enc_on(struct solo_enc_fh *fh) +{ + struct solo_enc_dev *solo_enc = fh->enc; + u8 ch = solo_enc->ch; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + u8 interval; + + assert_spin_locked(&solo_enc->lock); + + if (fh->enc_on) + return 0; + + solo_update_mode(solo_enc); + + /* Make sure to bw check on first reader */ + if (!atomic_read(&solo_enc->readers)) { + if (solo_enc->bw_weight > solo_dev->enc_bw_remain) + return -EBUSY; + else + solo_dev->enc_bw_remain -= solo_enc->bw_weight; + } + + fh->kthread = kthread_run(solo_enc_thread, fh, SOLO6010_NAME "_enc"); + + if (IS_ERR(fh->kthread)) + return PTR_ERR(fh->kthread); + + fh->enc_on = 1; + fh->rd_idx = solo_enc->solo_dev->enc_wr_idx; + + if (fh->type == SOLO_ENC_TYPE_EXT) + solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1); + + if (atomic_inc_return(&solo_enc->readers) > 1) + return 0; + + /* 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); + + /* Settle down Beavis... */ + mdelay(10); + + return 0; +} + +static void solo_enc_off(struct solo_enc_fh *fh) +{ + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + if (!fh->enc_on) + return; + + if (fh->kthread) { + kthread_stop(fh->kthread); + fh->kthread = NULL; + } + + solo_dev->enc_bw_remain += solo_enc->bw_weight; + fh->enc_on = 0; + + if (atomic_dec_return(&solo_enc->readers) > 0) + return; + + 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 void enc_reset_gop(struct solo6010_dev *solo_dev, u8 ch) +{ + BUG_ON(ch >= solo_dev->nr_chans); + solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), 1); + solo_dev->v4l2_enc[ch]->reset_gop = 1; +} + +static int enc_gop_reset(struct solo6010_dev *solo_dev, u8 ch, u8 vop) +{ + BUG_ON(ch >= solo_dev->nr_chans); + if (!solo_dev->v4l2_enc[ch]->reset_gop) + return 0; + if (vop) + return 1; + solo_dev->v4l2_enc[ch]->reset_gop = 0; + solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), + solo_dev->v4l2_enc[ch]->gop); + return 0; +} + +static int enc_get_mpeg_dma_t(struct solo6010_dev *solo_dev, dma_addr_t buf, + unsigned int off, unsigned int size) +{ + int ret; + + if (off > SOLO_MP4E_EXT_SIZE(solo_dev)) + return -EINVAL; + + if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) + return solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0, buf, + SOLO_MP4E_EXT_ADDR(solo_dev) + off, size); + + /* Buffer wrap */ + ret = solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0, buf, + SOLO_MP4E_EXT_ADDR(solo_dev) + off, + SOLO_MP4E_EXT_SIZE(solo_dev) - off); + + ret |= solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0, + buf + SOLO_MP4E_EXT_SIZE(solo_dev) - off, + SOLO_MP4E_EXT_ADDR(solo_dev), + size + off - SOLO_MP4E_EXT_SIZE(solo_dev)); + + return ret; +} + +static int enc_get_mpeg_dma(struct solo6010_dev *solo_dev, void *buf, + unsigned int off, unsigned int size) +{ + int ret; + + dma_addr_t dma_addr = pci_map_single(solo_dev->pdev, buf, size, + PCI_DMA_FROMDEVICE); + ret = enc_get_mpeg_dma_t(solo_dev, dma_addr, off, size); + pci_unmap_single(solo_dev->pdev, dma_addr, size, PCI_DMA_FROMDEVICE); + + return ret; +} + +static int enc_get_jpeg_dma(struct solo6010_dev *solo_dev, dma_addr_t buf, + unsigned int off, unsigned int size) +{ + int ret; + + if (off > SOLO_JPEG_EXT_SIZE(solo_dev)) + return -EINVAL; + + if (off + size <= SOLO_JPEG_EXT_SIZE(solo_dev)) + return solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_JPEG, 0, buf, + SOLO_JPEG_EXT_ADDR(solo_dev) + off, size); + + /* Buffer wrap */ + ret = solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_JPEG, 0, buf, + SOLO_JPEG_EXT_ADDR(solo_dev) + off, + SOLO_JPEG_EXT_SIZE(solo_dev) - off); + + ret |= solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_JPEG, 0, + buf + SOLO_JPEG_EXT_SIZE(solo_dev) - off, + SOLO_JPEG_EXT_ADDR(solo_dev), + size + off - SOLO_JPEG_EXT_SIZE(solo_dev)); + + return ret; +} + +static int solo_fill_jpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf, + struct videobuf_buffer *vb, dma_addr_t vbuf) +{ + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + u8 *p = videobuf_queue_to_vaddr(&fh->vidq, vb); + + memcpy(p, jpeg_header, sizeof(jpeg_header)); + p[SOF0_START + 5] = 0xff & (solo_enc->height >> 8); + p[SOF0_START + 6] = 0xff & solo_enc->height; + p[SOF0_START + 7] = 0xff & (solo_enc->width >> 8); + p[SOF0_START + 8] = 0xff & solo_enc->width; + + vbuf += sizeof(jpeg_header); + vb->size = enc_buf->jpeg_size + sizeof(jpeg_header); + + return enc_get_jpeg_dma(solo_dev, vbuf, enc_buf->jpeg_off, + enc_buf->jpeg_size); +} + +static int solo_fill_mpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf, + struct videobuf_buffer *vb, dma_addr_t vbuf) +{ + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct vop_header vh; + int ret; + int frame_size, frame_off; + + if (WARN_ON_ONCE(enc_buf->size <= sizeof(vh))) + return -1; + + /* First get the hardware vop header (not real mpeg) */ + ret = enc_get_mpeg_dma(solo_dev, &vh, enc_buf->off, sizeof(vh)); + if (ret) + return -1; + + if (WARN_ON_ONCE(vh.size > enc_buf->size)) + return -1; + + vb->width = vh.hsize << 4; + vb->height = vh.vsize << 4; + vb->size = vh.size; + + /* If this is a key frame, add extra m4v header */ + if (!enc_buf->vop) { + u16 fps = solo_dev->fps * 1000; + u16 interval = solo_enc->interval * 1000; + u8 *p = videobuf_queue_to_vaddr(&fh->vidq, vb); + + memcpy(p, vid_vop_header, sizeof(vid_vop_header)); + + if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) + p[10] |= ((XVID_PAR_43_NTSC << 3) & 0x78); + else + p[10] |= ((XVID_PAR_43_PAL << 3) & 0x78); + + /* Frame rate and interval */ + p[22] = fps >> 4; + p[23] = ((fps << 4) & 0xf0) | 0x0c | ((interval >> 13) & 0x3); + p[24] = (interval >> 5) & 0xff; + p[25] = ((interval << 3) & 0xf8) | 0x04; + + /* Width and height */ + p[26] = (vb->width >> 3) & 0xff; + p[27] = ((vb->height >> 9) & 0x0f) | 0x10; + p[28] = (vb->height >> 1) & 0xff; + + /* Interlace */ + if (vh.interlace) + p[29] |= 0x20; + + /* Adjust the dma buffer past this header */ + vb->size += sizeof(vid_vop_header); + vbuf += sizeof(vid_vop_header); + } + + /* Now get the actual mpeg payload */ + frame_off = (enc_buf->off + sizeof(vh)) % SOLO_MP4E_EXT_SIZE(solo_dev); + frame_size = enc_buf->size - sizeof(vh); + ret = enc_get_mpeg_dma_t(solo_dev, vbuf, frame_off, frame_size); + if (WARN_ON_ONCE(ret)) + return -1; + + return 0; +} + +/* On successful return (0), leaves solo_enc->lock unlocked */ +static int solo_enc_fillbuf(struct solo_enc_fh *fh, + struct videobuf_buffer *vb) +{ + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct solo_enc_buf *enc_buf = NULL; + dma_addr_t vbuf; + int ret; + u16 idx = fh->rd_idx; + + while (idx != solo_dev->enc_wr_idx) { + struct solo_enc_buf *ebuf = &solo_dev->enc_buf[idx]; + idx = (idx + 1) % SOLO_NR_RING_BUFS; + if (fh->fmt == V4L2_PIX_FMT_MPEG) { + if (fh->type != ebuf->type) + continue; + if (ebuf->ch == solo_enc->ch) { + enc_buf = ebuf; + break; + } + } else if (ebuf->ch == solo_enc->ch) { + /* For mjpeg, keep reading to the newest frame */ + enc_buf = ebuf; + } + } + + fh->rd_idx = idx; + + if (!enc_buf) + return -1; + + if ((fh->fmt == V4L2_PIX_FMT_MPEG && + vb->bsize < enc_buf->size) || + (fh->fmt == V4L2_PIX_FMT_MJPEG && + vb->bsize < (enc_buf->jpeg_size + sizeof(jpeg_header)))) { + return -1; + } + + if (!(vbuf = videobuf_to_dma_contig(vb))) + return -1; + + /* Is it ok that we mess with this buffer out of lock? */ + spin_unlock(&solo_enc->lock); + + if (fh->fmt == V4L2_PIX_FMT_MPEG) + ret = solo_fill_mpeg(fh, enc_buf, vb, vbuf); + else + ret = solo_fill_jpeg(fh, enc_buf, vb, vbuf); + + if (ret) // Ignore failures + return 0; + + list_del(&vb->queue); + vb->field_count++; + vb->ts = enc_buf->ts; + vb->state = VIDEOBUF_DONE; + + wake_up(&vb->done); + + return 0; +} + +static void solo_enc_thread_try(struct solo_enc_fh *fh) +{ + struct solo_enc_dev *solo_enc = fh->enc; + struct videobuf_buffer *vb; + + for (;;) { + spin_lock(&solo_enc->lock); + + if (list_empty(&fh->vidq_active)) + break; + + vb = list_first_entry(&fh->vidq_active, + struct videobuf_buffer, queue); + + if (!waitqueue_active(&vb->done)) + break; + + /* On success, returns with solo_enc->lock unlocked */ + if (solo_enc_fillbuf(fh, vb)) + break; + } + + assert_spin_locked(&solo_enc->lock); + spin_unlock(&solo_enc->lock); +} + +static int solo_enc_thread(void *data) +{ + struct solo_enc_fh *fh = data; + struct solo_enc_dev *solo_enc = fh->enc; + DECLARE_WAITQUEUE(wait, current); + + set_freezable(); + add_wait_queue(&solo_enc->thread_wait, &wait); + + for (;;) { + long timeout = schedule_timeout_interruptible(HZ); + if (timeout == -ERESTARTSYS || kthread_should_stop()) + break; + solo_enc_thread_try(fh); + try_to_freeze(); + } + + remove_wait_queue(&solo_enc->thread_wait, &wait); + + return 0; +} + +void solo_motion_isr(struct solo6010_dev *solo_dev) +{ + u32 status; + int i; + + solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_MOTION); + + status = solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS); + + for (i = 0; i < solo_dev->nr_chans; i++) { + struct solo_enc_dev *solo_enc = solo_dev->v4l2_enc[i]; + + BUG_ON(solo_enc == NULL); + + if (solo_enc->motion_detected) + continue; + if (!(status & (1 << i))) + continue; + + solo_enc->motion_detected = 1; + } +} + +void solo_enc_v4l2_isr(struct solo6010_dev *solo_dev) +{ + struct solo_enc_buf *enc_buf; + struct videnc_status vstatus; + u32 mpeg_current, mpeg_next, mpeg_size; + u32 jpeg_current, jpeg_next, jpeg_size; + u32 reg_mpeg_size; + u8 cur_q, vop_type; + u8 ch; + enum solo_enc_types enc_type; + + solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_ENCODER); + + vstatus.status11 = solo_reg_read(solo_dev, SOLO_VE_STATE(11)); + cur_q = (vstatus.status11_st.last_queue + 1) % MP4_QS; + + vstatus.status0 = solo_reg_read(solo_dev, SOLO_VE_STATE(0)); + reg_mpeg_size = (vstatus.status0_st.mp4_enc_code_size + 64 + 32) & + (~31); + + while (solo_dev->enc_idx != cur_q) { + mpeg_current = solo_reg_read(solo_dev, + SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); + jpeg_current = solo_reg_read(solo_dev, + SOLO_VE_JPEG_QUE(solo_dev->enc_idx)); + solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS; + mpeg_next = solo_reg_read(solo_dev, + SOLO_VE_MPEG4_QUE(solo_dev->enc_idx)); + jpeg_next = solo_reg_read(solo_dev, + SOLO_VE_JPEG_QUE(solo_dev->enc_idx)); + + if ((ch = (mpeg_current >> 24) & 0x1f) >= SOLO_MAX_CHANNELS) { + ch -= SOLO_MAX_CHANNELS; + enc_type = SOLO_ENC_TYPE_EXT; + } else + enc_type = SOLO_ENC_TYPE_STD; + + vop_type = (mpeg_current >> 29) & 3; + + mpeg_current &= 0x00ffffff; + mpeg_next &= 0x00ffffff; + jpeg_current &= 0x00ffffff; + jpeg_next &= 0x00ffffff; + + mpeg_size = (SOLO_MP4E_EXT_SIZE(solo_dev) + + mpeg_next - mpeg_current) % + SOLO_MP4E_EXT_SIZE(solo_dev); + + jpeg_size = (SOLO_JPEG_EXT_SIZE(solo_dev) + + jpeg_next - jpeg_current) % + SOLO_JPEG_EXT_SIZE(solo_dev); + + /* XXX I think this means we had a ring overflow? */ + if (mpeg_current > mpeg_next && mpeg_size != reg_mpeg_size) { + enc_reset_gop(solo_dev, ch); + continue; + } + + /* When resetting the GOP, skip frames until I-frame */ + if (enc_gop_reset(solo_dev, ch, vop_type)) + continue; + + enc_buf = &solo_dev->enc_buf[solo_dev->enc_wr_idx]; + + enc_buf->vop = vop_type; + enc_buf->ch = ch; + enc_buf->off = mpeg_current; + enc_buf->size = mpeg_size; + enc_buf->jpeg_off = jpeg_current; + enc_buf->jpeg_size = jpeg_size; + enc_buf->type = enc_type; + + do_gettimeofday(&enc_buf->ts); + + solo_dev->enc_wr_idx = (solo_dev->enc_wr_idx + 1) % + SOLO_NR_RING_BUFS; + + wake_up_interruptible(&solo_dev->v4l2_enc[ch]->thread_wait); + } + + return; +} + +static int solo_enc_buf_setup(struct videobuf_queue *vq, unsigned int *count, + unsigned int *size) +{ + *size = FRAME_BUF_SIZE; + + if (*count < MIN_VID_BUFFERS) + *count = MIN_VID_BUFFERS; + + return 0; +} + +static int solo_enc_buf_prepare(struct videobuf_queue *vq, + struct videobuf_buffer *vb, + enum v4l2_field field) +{ + struct solo_enc_fh *fh = vq->priv_data; + struct solo_enc_dev *solo_enc = fh->enc; + + vb->size = FRAME_BUF_SIZE; + if (vb->baddr != 0 && vb->bsize < vb->size) + return -EINVAL; + + /* These properties only change when queue is idle */ + vb->width = solo_enc->width; + vb->height = solo_enc->height; + vb->field = field; + + if (vb->state == VIDEOBUF_NEEDS_INIT) { + int rc = videobuf_iolock(vq, vb, NULL); + if (rc < 0) { + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; + return rc; + } + } + vb->state = VIDEOBUF_PREPARED; + + return 0; +} + +static void solo_enc_buf_queue(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + struct solo_enc_fh *fh = vq->priv_data; + + vb->state = VIDEOBUF_QUEUED; + list_add_tail(&vb->queue, &fh->vidq_active); + wake_up_interruptible(&fh->enc->thread_wait); +} + +static void solo_enc_buf_release(struct videobuf_queue *vq, + struct videobuf_buffer *vb) +{ + videobuf_dma_contig_free(vq, vb); + vb->state = VIDEOBUF_NEEDS_INIT; +} + +static struct videobuf_queue_ops solo_enc_video_qops = { + .buf_setup = solo_enc_buf_setup, + .buf_prepare = solo_enc_buf_prepare, + .buf_queue = solo_enc_buf_queue, + .buf_release = solo_enc_buf_release, +}; + +static unsigned int solo_enc_poll(struct file *file, + struct poll_table_struct *wait) +{ + struct solo_enc_fh *fh = file->private_data; + + return videobuf_poll_stream(file, &fh->vidq, wait); +} + +static int solo_enc_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct solo_enc_fh *fh = file->private_data; + + return videobuf_mmap_mapper(&fh->vidq, vma); +} + +static int solo_enc_open(struct file *file) +{ + struct solo_enc_dev *solo_enc = video_drvdata(file); + struct solo_enc_fh *fh; + + if ((fh = kzalloc(sizeof(*fh), GFP_KERNEL)) == NULL) + return -ENOMEM; + + spin_lock(&solo_enc->lock); + + fh->enc = solo_enc; + file->private_data = fh; + INIT_LIST_HEAD(&fh->vidq_active); + fh->fmt = V4L2_PIX_FMT_MPEG; + fh->type = SOLO_ENC_TYPE_STD; + + videobuf_queue_dma_contig_init(&fh->vidq, &solo_enc_video_qops, + &solo_enc->solo_dev->pdev->dev, + &solo_enc->lock, + V4L2_BUF_TYPE_VIDEO_CAPTURE, + V4L2_FIELD_INTERLACED, + sizeof(struct videobuf_buffer), fh); + + spin_unlock(&solo_enc->lock); + + return 0; +} + +static ssize_t solo_enc_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct solo_enc_fh *fh = file->private_data; + struct solo_enc_dev *solo_enc = fh->enc; + + /* Make sure the encoder is on */ + if (!fh->enc_on) { + int ret; + + spin_lock(&solo_enc->lock); + ret = solo_enc_on(fh); + spin_unlock(&solo_enc->lock); + if (ret) + return ret; + } + + return videobuf_read_stream(&fh->vidq, data, count, ppos, 0, + file->f_flags & O_NONBLOCK); +} + +static int solo_enc_release(struct file *file) +{ + struct solo_enc_fh *fh = file->private_data; + + videobuf_stop(&fh->vidq); + videobuf_mmap_free(&fh->vidq); + solo_enc_off(fh); + kfree(fh); + + return 0; +} + +static int solo_enc_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + strcpy(cap->driver, SOLO6010_NAME); + snprintf(cap->card, sizeof(cap->card), "Softlogic 6010 Enc %d", + solo_enc->ch); + snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s", + pci_name(solo_dev->pdev)); + cap->version = SOLO6010_VER_NUM; + cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_READWRITE | + V4L2_CAP_STREAMING; + return 0; +} + +static int solo_enc_enum_input(struct file *file, void *priv, + struct v4l2_input *input) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_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; + + if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) + input->std = V4L2_STD_NTSC_M; + else + input->std = V4L2_STD_PAL_M; + + 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) +{ + switch (f->index) { + case 0: + f->pixelformat = V4L2_PIX_FMT_MPEG; + strcpy(f->description, "MPEG-4 AVC"); + 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 int solo_enc_try_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct v4l2_pix_format *pix = &f->fmt.pix; + + if (pix->pixelformat != V4L2_PIX_FMT_MPEG && + pix->pixelformat != V4L2_PIX_FMT_MJPEG) + return -EINVAL; + + /* We cannot change width/height in mid read */ + if (atomic_read(&solo_enc->readers) > 0) { + if (pix->width != solo_enc->width || + pix->height != solo_enc->height) + return -EBUSY; + } else if (!(pix->width == solo_dev->video_hsize && + pix->height == solo_dev->video_vsize << 1) && + !(pix->width == solo_dev->video_hsize >> 1 && + pix->height == solo_dev->video_vsize)) { + /* Default to CIF 1/2 size */ + pix->width = solo_dev->video_hsize >> 1; + pix->height = solo_dev->video_vsize; + } + + if (pix->field == V4L2_FIELD_ANY) + pix->field = V4L2_FIELD_INTERLACED; + else if (pix->field != V4L2_FIELD_INTERLACED) { + pix->field = V4L2_FIELD_INTERLACED; + } + + /* Just set these */ + pix->colorspace = V4L2_COLORSPACE_SMPTE170M; + pix->sizeimage = FRAME_BUF_SIZE; + + return 0; +} + +static int solo_enc_set_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct v4l2_pix_format *pix = &f->fmt.pix; + int ret; + + spin_lock(&solo_enc->lock); + + if ((ret = solo_enc_try_fmt_cap(file, priv, f))) { + spin_unlock(&solo_enc->lock); + 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 */ + fh->fmt = pix->pixelformat; + + if (pix->priv) + fh->type = SOLO_ENC_TYPE_EXT; + ret = solo_enc_on(fh); + + spin_unlock(&solo_enc->lock); + + return ret; +} + +static int solo_enc_get_fmt_cap(struct file *file, void *priv, + struct v4l2_format *f) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct v4l2_pix_format *pix = &f->fmt.pix; + + pix->width = solo_enc->width; + pix->height = solo_enc->height; + pix->pixelformat = fh->fmt; + pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED : + V4L2_FIELD_NONE; + pix->sizeimage = FRAME_BUF_SIZE; + pix->colorspace = V4L2_COLORSPACE_SMPTE170M; + + return 0; +} + +static int solo_enc_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *req) +{ + struct solo_enc_fh *fh = priv; + + return videobuf_reqbufs(&fh->vidq, req); +} + +static int solo_enc_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct solo_enc_fh *fh = priv; + + return videobuf_querybuf(&fh->vidq, buf); +} + +static int solo_enc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) +{ + struct solo_enc_fh *fh = priv; + + return videobuf_qbuf(&fh->vidq, buf); +} + +static int solo_enc_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + int ret; + + /* Make sure the encoder is on */ + if (!fh->enc_on) { + spin_lock(&solo_enc->lock); + ret = solo_enc_on(fh); + spin_unlock(&solo_enc->lock); + if (ret) + return ret; + } + + ret = videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK); + if (ret) + return ret; + + /* Signal motion detection */ + if (solo_is_motion_on(solo_enc)) { + buf->flags |= V4L2_BUF_FLAG_MOTION_ON; + if (solo_enc->motion_detected) { + buf->flags |= V4L2_BUF_FLAG_MOTION_DETECTED; + solo_reg_write(solo_enc->solo_dev, SOLO_VI_MOT_CLEAR, + 1 << solo_enc->ch); + solo_enc->motion_detected = 0; + } + } + + /* Check for key frame on mpeg data */ + if (fh->fmt == V4L2_PIX_FMT_MPEG) { + struct videobuf_buffer *vb = fh->vidq.bufs[buf->index]; + u8 *p = videobuf_queue_to_vaddr(&fh->vidq, vb); + if (p[3] == 0x00) + buf->flags |= V4L2_BUF_FLAG_KEYFRAME; + else + buf->flags |= V4L2_BUF_FLAG_PFRAME; + } + + return 0; +} + +static int solo_enc_streamon(struct file *file, void *priv, + enum v4l2_buf_type i) +{ + struct solo_enc_fh *fh = priv; + + if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + return videobuf_streamon(&fh->vidq); +} + +static int solo_enc_streamoff(struct file *file, void *priv, + enum v4l2_buf_type i) +{ + struct solo_enc_fh *fh = priv; + + if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + return videobuf_streamoff(&fh->vidq); +} + +static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id *i) +{ + return 0; +} + +static int solo_enum_framesizes(struct file *file, void *priv, + struct v4l2_frmsizeenum *fsize) +{ + struct solo_enc_fh *fh = priv; + struct solo6010_dev *solo_dev = fh->enc->solo_dev; + + if (fsize->pixel_format != V4L2_PIX_FMT_MPEG) + 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_fh *fh = priv; + struct solo6010_dev *solo_dev = fh->enc->solo_dev; + + if (fintv->pixel_format != V4L2_PIX_FMT_MPEG || fintv->index) + return -EINVAL; + + fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE; + + fintv->stepwise.min.numerator = solo_dev->fps; + fintv->stepwise.min.denominator = 1; + + fintv->stepwise.max.numerator = solo_dev->fps; + fintv->stepwise.max.denominator = 15; + + fintv->stepwise.step.numerator = 1; + fintv->stepwise.step.denominator = 1; + + return 0; +} + +static int solo_g_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct v4l2_captureparm *cp = &sp->parm.capture; + + cp->capability = V4L2_CAP_TIMEPERFRAME; + cp->timeperframe.numerator = solo_enc->interval; + cp->timeperframe.denominator = solo_dev->fps; + cp->capturemode = 0; + /* XXX: Shouldn't we be able to get/set this from videobuf? */ + cp->readbuffers = 2; + + return 0; +} + +static int solo_s_parm(struct file *file, void *priv, + struct v4l2_streamparm *sp) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + struct v4l2_captureparm *cp = &sp->parm.capture; + + spin_lock(&solo_enc->lock); + + if (atomic_read(&solo_enc->readers) > 0) { + spin_unlock(&solo_enc->lock); + return -EBUSY; + } + + if ((cp->timeperframe.numerator == 0) || + (cp->timeperframe.denominator == 0)) { + /* reset framerate */ + cp->timeperframe.numerator = 1; + cp->timeperframe.denominator = solo_dev->fps; + } + + if (cp->timeperframe.denominator != solo_dev->fps) + cp->timeperframe.denominator = solo_dev->fps; + + if (cp->timeperframe.numerator > 15) + cp->timeperframe.numerator = 15; + + solo_enc->interval = cp->timeperframe.numerator; + + cp->capability = V4L2_CAP_TIMEPERFRAME; + + solo_enc->gop = max(solo_dev->fps / solo_enc->interval, 1); + solo_update_mode(solo_enc); + + spin_unlock(&solo_enc->lock); + + return 0; +} + +static int solo_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id); + if (!qc->id) + return -EINVAL; + + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + case V4L2_CID_SATURATION: + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill(qc, 0x00, 0xff, 1, 0x80); + case V4L2_CID_SHARPNESS: + return v4l2_ctrl_query_fill(qc, 0x00, 0x0f, 1, 0x00); + case V4L2_CID_MPEG_VIDEO_ENCODING: + return v4l2_ctrl_query_fill( + qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC); + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + return v4l2_ctrl_query_fill(qc, 1, 255, 1, solo_dev->fps); +#ifdef PRIVATE_CIDS + case V4L2_CID_MOTION_THRESHOLD: + qc->flags |= V4L2_CTRL_FLAG_SLIDER; + qc->type = V4L2_CTRL_TYPE_INTEGER; + qc->minimum = 0; + qc->maximum = 0xffff; + qc->step = 1; + qc->default_value = SOLO_DEF_MOT_THRESH; + strlcpy(qc->name, "Motion Detection Threshold", + sizeof(qc->name)); + return 0; + case V4L2_CID_MOTION_ENABLE: + qc->type = V4L2_CTRL_TYPE_BOOLEAN; + qc->minimum = 0; + qc->maximum = qc->step = 1; + qc->default_value = 0; + strlcpy(qc->name, "Motion Detection Enable", sizeof(qc->name)); + return 0; +#else + case V4L2_CID_MOTION_THRESHOLD: + return v4l2_ctrl_query_fill(qc, 0, 0xffff, 1, + SOLO_DEF_MOT_THRESH); + case V4L2_CID_MOTION_ENABLE: + return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); +#endif + case V4L2_CID_RDS_TX_RADIO_TEXT: + qc->type = V4L2_CTRL_TYPE_STRING; + qc->minimum = 0; + qc->maximum = OSD_TEXT_MAX; + qc->step = 1; + qc->default_value = 0; + strlcpy(qc->name, "OSD Text", sizeof(qc->name)); + return 0; + } + + return -EINVAL; +} + +static int solo_querymenu(struct file *file, void *priv, + struct v4l2_querymenu *qmenu) +{ + struct v4l2_queryctrl qctrl; + int err; + + qctrl.id = qmenu->id; + if ((err = solo_queryctrl(file, priv, &qctrl))) + return err; + + return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL); +} + +static int solo_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + 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_get_ctrl_val(solo_dev, ctrl->id, solo_enc->ch, + &ctrl->value); + case V4L2_CID_MPEG_VIDEO_ENCODING: + ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + ctrl->value = solo_enc->gop; + break; + case V4L2_CID_MOTION_THRESHOLD: + ctrl->value = solo_enc->motion_thresh; + break; + case V4L2_CID_MOTION_ENABLE: + ctrl->value = solo_is_motion_on(solo_enc); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int solo_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + struct solo6010_dev *solo_dev = solo_enc->solo_dev; + + 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->value); + case V4L2_CID_MPEG_VIDEO_ENCODING: + if (ctrl->value != V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC) + return -ERANGE; + break; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: + if (ctrl->value < 1 || ctrl->value > 255) + return -ERANGE; + solo_enc->gop = ctrl->value; + 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); + break; + case V4L2_CID_MOTION_THRESHOLD: + /* TODO accept value on lower 16-bits and use high + * 16-bits to assign the value to a specific block */ + if (ctrl->value < 0 || ctrl->value > 0xffff) + return -ERANGE; + solo_enc->motion_thresh = ctrl->value; + solo_set_motion_threshold(solo_dev, solo_enc->ch, ctrl->value); + break; + case V4L2_CID_MOTION_ENABLE: + solo_motion_toggle(solo_enc, ctrl->value); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int solo_s_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + int i; + + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = (ctrls->controls + i); + int err; + + switch (ctrl->id) { + case V4L2_CID_RDS_TX_RADIO_TEXT: + if (ctrl->size - 1 > OSD_TEXT_MAX) + err = -ERANGE; + else { + err = copy_from_user(solo_enc->osd_text, + ctrl->string, + OSD_TEXT_MAX); + solo_enc->osd_text[OSD_TEXT_MAX] = '\0'; + if (!err) + err = solo_osd_print(solo_enc); + } + break; + default: + err = -EINVAL; + } + + if (err < 0) { + ctrls->error_idx = i; + return err; + } + } + + return 0; +} + +static int solo_g_ext_ctrls(struct file *file, void *priv, + struct v4l2_ext_controls *ctrls) +{ + struct solo_enc_fh *fh = priv; + struct solo_enc_dev *solo_enc = fh->enc; + int i; + + for (i = 0; i < ctrls->count; i++) { + struct v4l2_ext_control *ctrl = (ctrls->controls + i); + int err; + + switch (ctrl->id) { + case V4L2_CID_RDS_TX_RADIO_TEXT: + if (ctrl->size < OSD_TEXT_MAX) { + ctrl->size = OSD_TEXT_MAX; + err = -ENOSPC; + } else { + err = copy_to_user(ctrl->string, + solo_enc->osd_text, + OSD_TEXT_MAX); + } + break; + default: + err = -EINVAL; + } + + if (err < 0) { + ctrls->error_idx = i; + return err; + } + } + + return 0; +} + +static const struct v4l2_file_operations solo_enc_fops = { + .owner = THIS_MODULE, + .open = solo_enc_open, + .release = solo_enc_release, + .read = solo_enc_read, + .poll = solo_enc_poll, + .mmap = solo_enc_mmap, + .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, + /* 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 = solo_enc_reqbufs, + .vidioc_querybuf = solo_enc_querybuf, + .vidioc_qbuf = solo_enc_qbuf, + .vidioc_dqbuf = solo_enc_dqbuf, + .vidioc_streamon = solo_enc_streamon, + .vidioc_streamoff = solo_enc_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, + /* Controls */ + .vidioc_queryctrl = solo_queryctrl, + .vidioc_querymenu = solo_querymenu, + .vidioc_g_ctrl = solo_g_ctrl, + .vidioc_s_ctrl = solo_s_ctrl, + .vidioc_g_ext_ctrls = solo_g_ext_ctrls, + .vidioc_s_ext_ctrls = solo_s_ext_ctrls, +}; + +static struct video_device solo_enc_template = { + .name = SOLO6010_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_M, + .current_norm = V4L2_STD_NTSC_M, +}; + +static struct solo_enc_dev *solo_enc_alloc(struct solo6010_dev *solo_dev, u8 ch) +{ + struct solo_enc_dev *solo_enc; + int ret; + + solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL); + if (!solo_enc) + return ERR_PTR(-ENOMEM); + + solo_enc->vfd = video_device_alloc(); + if (!solo_enc->vfd) { + kfree(solo_enc); + return ERR_PTR(-ENOMEM); + } + + solo_enc->solo_dev = solo_dev; + solo_enc->ch = ch; + + *solo_enc->vfd = solo_enc_template; + solo_enc->vfd->parent = &solo_dev->pdev->dev; + ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, + video_nr); + if (ret < 0) { + video_device_release(solo_enc->vfd); + kfree(solo_enc); + return ERR_PTR(ret); + } + + video_set_drvdata(solo_enc->vfd, solo_enc); + + snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name), + "%s-enc (%i/%i)", SOLO6010_NAME, solo_dev->vfd->num, + solo_enc->vfd->num); + + if (video_nr >= 0) + video_nr++; + + spin_lock_init(&solo_enc->lock); + init_waitqueue_head(&solo_enc->thread_wait); + atomic_set(&solo_enc->readers, 0); + + 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_thresh = SOLO_DEF_MOT_THRESH; + + spin_lock(&solo_enc->lock); + solo_update_mode(solo_enc); + spin_unlock(&solo_enc->lock); + + return solo_enc; +} + +static void solo_enc_free(struct solo_enc_dev *solo_enc) +{ + if (solo_enc == NULL) + return; + + video_unregister_device(solo_enc->vfd); + kfree(solo_enc); +} + +int solo_enc_v4l2_init(struct solo6010_dev *solo_dev) +{ + int i; + + for (i = 0; i < solo_dev->nr_chans; i++) { + solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i); + 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]); + return ret; + } + + /* D1@MAX-FPS * 4 */ + solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4; + + 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 solo6010_dev *solo_dev) +{ + int i; + + solo6010_irq_off(solo_dev, SOLO_IRQ_MOTION); + + for (i = 0; i < solo_dev->nr_chans; i++) + solo_enc_free(solo_dev->v4l2_enc[i]); +} |