2 * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com
3 * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 #include <linux/kernel.h>
21 #include <linux/module.h>
22 #include <linux/kthread.h>
23 #include <linux/freezer.h>
25 #include <media/v4l2-ioctl.h>
26 #include <media/v4l2-common.h>
27 #include <media/videobuf-dma-sg.h>
30 #include "solo6010-tw28.h"
31 #include "solo6010-jpeg.h"
33 #define MIN_VID_BUFFERS 4
34 #define FRAME_BUF_SIZE (128 * 1024)
37 static int solo_enc_thread(void *data);
39 extern unsigned video_nr;
42 struct solo_enc_dev *enc;
46 enum solo_enc_types type;
47 struct videobuf_queue vidq;
48 struct list_head vidq_active;
49 struct task_struct *kthread;
50 struct p2m_desc desc[SOLO_NR_P2M_DESC];
53 static unsigned char vid_vop_header[] = {
54 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x20,
55 0x02, 0x48, 0x05, 0xc0, 0x00, 0x40, 0x00, 0x40,
56 0x00, 0x40, 0x00, 0x80, 0x00, 0x97, 0x53, 0x04,
57 0x1f, 0x4c, 0x58, 0x10, 0x78, 0x51, 0x18, 0x3f,
61 * Things we can change around:
63 * byte 10, 4-bits 01111000 aspect
64 * bytes 21,22,23 16-bits 000x1111 11111111 1111x000 fps/res
65 * bytes 23,24,25 15-bits 00000n11 11111111 11111x00 interval
66 * bytes 25,26,27 13-bits 00000x11 11111111 111x0000 width
67 * bytes 27,28,29 13-bits 000x1111 11111111 1x000000 height
68 * byte 29 1-bit 0x100000 interlace
72 #define XVID_PAR_43_PAL 2
73 #define XVID_PAR_43_NTSC 3
75 static const u32 solo_user_ctrls[] = {
84 static const u32 solo_mpeg_ctrls[] = {
85 V4L2_CID_MPEG_VIDEO_ENCODING,
86 V4L2_CID_MPEG_VIDEO_GOP_SIZE,
90 static const u32 solo_private_ctrls[] = {
91 V4L2_CID_MOTION_ENABLE,
92 V4L2_CID_MOTION_THRESHOLD,
96 static const u32 solo_fmtx_ctrls[] = {
97 V4L2_CID_RDS_TX_RADIO_TEXT,
101 static const u32 *solo_ctrl_classes[] = {
111 u32 size:20, sync_start:1, page_stop:1, vop_type:2, channel:4,
112 nop0:1, source_fl:1, interlace:1, progressive:1;
115 u32 vsize:8, hsize:8, frame_interop:1, nop1:7, win_id:4, scale:4;
118 u32 base_addr:16, nop2:15, hoff:1;
120 /* VD_IDX3 - User set macros */
121 u32 sy:12, sx:12, nop3:1, hzoom:1, read_interop:1, write_interlace:1,
124 /* VD_IDX4 - User set macros continued */
125 u32 write_page:8, nop4:24;
131 } __attribute__((packed));
133 static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
135 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
136 u8 ch = solo_enc->ch;
138 if (solo_dev->motion_mask & (1 << ch))
143 static void solo_motion_toggle(struct solo_enc_dev *solo_enc, int on)
145 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
146 u8 ch = solo_enc->ch;
148 spin_lock(&solo_enc->lock);
151 solo_dev->motion_mask |= (1 << ch);
153 solo_dev->motion_mask &= ~(1 << ch);
155 /* Do this regardless of if we are turning on or off */
156 solo_reg_write(solo_enc->solo_dev, SOLO_VI_MOT_CLEAR,
158 solo_enc->motion_detected = 0;
160 solo_reg_write(solo_dev, SOLO_VI_MOT_ADR,
161 SOLO_VI_MOTION_EN(solo_dev->motion_mask) |
162 (SOLO_MOTION_EXT_ADDR(solo_dev) >> 16));
164 if (solo_dev->motion_mask)
165 solo6010_irq_on(solo_dev, SOLO_IRQ_MOTION);
167 solo6010_irq_off(solo_dev, SOLO_IRQ_MOTION);
169 spin_unlock(&solo_enc->lock);
172 /* Should be called with solo_enc->lock held */
173 static void solo_update_mode(struct solo_enc_dev *solo_enc)
175 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
177 assert_spin_locked(&solo_enc->lock);
179 solo_enc->interlaced = (solo_enc->mode & 0x08) ? 1 : 0;
180 solo_enc->bw_weight = max(solo_dev->fps / solo_enc->interval, 1);
182 switch (solo_enc->mode) {
183 case SOLO_ENC_MODE_CIF:
184 solo_enc->width = solo_dev->video_hsize >> 1;
185 solo_enc->height = solo_dev->video_vsize;
187 case SOLO_ENC_MODE_D1:
188 solo_enc->width = solo_dev->video_hsize;
189 solo_enc->height = solo_dev->video_vsize << 1;
190 solo_enc->bw_weight <<= 2;
193 WARN(1, "mode is unknown\n");
197 /* Should be called with solo_enc->lock held */
198 static int solo_enc_on(struct solo_enc_fh *fh)
200 struct solo_enc_dev *solo_enc = fh->enc;
201 u8 ch = solo_enc->ch;
202 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
205 assert_spin_locked(&solo_enc->lock);
210 solo_update_mode(solo_enc);
212 /* Make sure to bw check on first reader */
213 if (!atomic_read(&solo_enc->readers)) {
214 if (solo_enc->bw_weight > solo_dev->enc_bw_remain)
217 solo_dev->enc_bw_remain -= solo_enc->bw_weight;
221 fh->rd_idx = solo_enc->solo_dev->enc_wr_idx;
223 if (fh->type == SOLO_ENC_TYPE_EXT)
224 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(ch), 1);
226 if (atomic_inc_return(&solo_enc->readers) > 1)
229 /* Disable all encoding for this channel */
230 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), 0);
232 /* Common for both std and ext encoding */
233 solo_reg_write(solo_dev, SOLO_VE_CH_INTL(ch),
234 solo_enc->interlaced ? 1 : 0);
236 if (solo_enc->interlaced)
237 interval = solo_enc->interval - 1;
239 interval = solo_enc->interval;
241 /* Standard encoding only */
242 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), solo_enc->gop);
243 solo_reg_write(solo_dev, SOLO_VE_CH_QP(ch), solo_enc->qp);
244 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV(ch), interval);
246 /* Extended encoding only */
247 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(ch), solo_enc->gop);
248 solo_reg_write(solo_dev, SOLO_VE_CH_QP_E(ch), solo_enc->qp);
249 solo_reg_write(solo_dev, SOLO_CAP_CH_INTV_E(ch), interval);
251 /* Enables the standard encoder */
252 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(ch), solo_enc->mode);
254 /* Settle down Beavis... */
260 static void solo_enc_off(struct solo_enc_fh *fh)
262 struct solo_enc_dev *solo_enc = fh->enc;
263 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
269 kthread_stop(fh->kthread);
273 solo_dev->enc_bw_remain += solo_enc->bw_weight;
276 if (atomic_dec_return(&solo_enc->readers) > 0)
279 solo_reg_write(solo_dev, SOLO_CAP_CH_SCALE(solo_enc->ch), 0);
280 solo_reg_write(solo_dev, SOLO_CAP_CH_COMP_ENA_E(solo_enc->ch), 0);
283 static int solo_start_fh_thread(struct solo_enc_fh *fh)
285 struct solo_enc_dev *solo_enc = fh->enc;
287 fh->kthread = kthread_run(solo_enc_thread, fh, SOLO6010_NAME "_enc");
289 /* Oops, we had a problem */
290 if (IS_ERR(fh->kthread)) {
291 spin_lock(&solo_enc->lock);
293 spin_unlock(&solo_enc->lock);
295 return PTR_ERR(fh->kthread);
301 static void enc_reset_gop(struct solo6010_dev *solo_dev, u8 ch)
303 BUG_ON(ch >= solo_dev->nr_chans);
304 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch), 1);
305 solo_dev->v4l2_enc[ch]->reset_gop = 1;
308 static int enc_gop_reset(struct solo6010_dev *solo_dev, u8 ch, u8 vop)
310 BUG_ON(ch >= solo_dev->nr_chans);
311 if (!solo_dev->v4l2_enc[ch]->reset_gop)
315 solo_dev->v4l2_enc[ch]->reset_gop = 0;
316 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(ch),
317 solo_dev->v4l2_enc[ch]->gop);
321 static void enc_write_sg(struct scatterlist *sglist, void *buf, int size)
323 struct scatterlist *sg;
326 for (sg = sglist; sg && size > 0; sg = sg_next(sg)) {
328 size_t len = sg_dma_len(sg);
331 for (i = 0; i < len && size; i++)
336 static int enc_get_mpeg_dma_sg(struct solo6010_dev *solo_dev,
337 struct p2m_desc *desc,
338 struct scatterlist *sglist, int skip,
339 unsigned int off, unsigned int size)
343 if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
346 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
347 return solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E,
348 desc, 0, sglist, skip,
349 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size);
353 ret = solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E, desc, 0,
354 sglist, skip, SOLO_MP4E_EXT_ADDR(solo_dev) + off,
355 SOLO_MP4E_EXT_SIZE(solo_dev) - off);
357 ret |= solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E, desc, 0,
358 sglist, skip + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
359 SOLO_MP4E_EXT_ADDR(solo_dev),
360 size + off - SOLO_MP4E_EXT_SIZE(solo_dev));
365 static int enc_get_mpeg_dma_t(struct solo6010_dev *solo_dev,
366 dma_addr_t buf, unsigned int off,
371 if (off > SOLO_MP4E_EXT_SIZE(solo_dev))
374 if (off + size <= SOLO_MP4E_EXT_SIZE(solo_dev)) {
375 return solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0, buf,
376 SOLO_MP4E_EXT_ADDR(solo_dev) + off, size);
380 ret = solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0, buf,
381 SOLO_MP4E_EXT_ADDR(solo_dev) + off,
382 SOLO_MP4E_EXT_SIZE(solo_dev) - off);
384 ret |= solo_p2m_dma_t(solo_dev, SOLO_P2M_DMA_ID_MP4E, 0,
385 buf + SOLO_MP4E_EXT_SIZE(solo_dev) - off,
386 SOLO_MP4E_EXT_ADDR(solo_dev),
387 size + off - SOLO_MP4E_EXT_SIZE(solo_dev));
392 static int enc_get_mpeg_dma(struct solo6010_dev *solo_dev, void *buf,
393 unsigned int off, unsigned int size)
397 dma_addr_t dma_addr = pci_map_single(solo_dev->pdev, buf, size,
399 ret = enc_get_mpeg_dma_t(solo_dev, dma_addr, off, size);
400 pci_unmap_single(solo_dev->pdev, dma_addr, size, PCI_DMA_FROMDEVICE);
405 static int enc_get_jpeg_dma_sg(struct solo6010_dev *solo_dev,
406 struct p2m_desc *desc,
407 struct scatterlist *sglist, int skip,
408 unsigned int off, unsigned int size)
412 if (off > SOLO_JPEG_EXT_SIZE(solo_dev))
415 if (off + size <= SOLO_JPEG_EXT_SIZE(solo_dev)) {
416 return solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG,
417 desc, 0, sglist, skip,
418 SOLO_JPEG_EXT_ADDR(solo_dev) + off, size);
422 ret = solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG, desc, 0,
423 sglist, skip, SOLO_JPEG_EXT_ADDR(solo_dev) + off,
424 SOLO_JPEG_EXT_SIZE(solo_dev) - off);
426 ret |= solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG, desc, 0,
427 sglist, skip + SOLO_JPEG_EXT_SIZE(solo_dev) - off,
428 SOLO_JPEG_EXT_ADDR(solo_dev),
429 size + off - SOLO_JPEG_EXT_SIZE(solo_dev));
434 /* Returns true of __chk is within the first __range bytes of __off */
435 #define OFF_IN_RANGE(__off, __range, __chk) \
436 ((__off <= __chk) && ((__off + __range) >= __chk))
438 static void solo_jpeg_header(struct solo_enc_dev *solo_enc,
439 struct videobuf_dmabuf *vbuf)
441 struct scatterlist *sg;
442 void *src = jpeg_header;
444 size_t to_copy = sizeof(jpeg_header);
446 for (sg = vbuf->sglist; sg && copied < to_copy; sg = sg_next(sg)) {
447 size_t this_copy = min(sg_dma_len(sg),
448 (unsigned int)(to_copy - copied));
451 memcpy(p, src + copied, this_copy);
453 if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 5))
454 p[(SOF0_START + 5) - copied] =
455 0xff & (solo_enc->height >> 8);
456 if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 6))
457 p[(SOF0_START + 6) - copied] = 0xff & solo_enc->height;
458 if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 7))
459 p[(SOF0_START + 7) - copied] =
460 0xff & (solo_enc->width >> 8);
461 if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 8))
462 p[(SOF0_START + 8) - copied] = 0xff & solo_enc->width;
468 static int solo_fill_jpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf,
469 struct videobuf_buffer *vb,
470 struct videobuf_dmabuf *vbuf)
472 struct solo6010_dev *solo_dev = fh->enc->solo_dev;
473 int size = enc_buf->jpeg_size;
475 /* Copy the header first (direct write) */
476 solo_jpeg_header(fh->enc, vbuf);
478 vb->size = size + sizeof(jpeg_header);
480 /* Grab the jpeg frame */
481 return enc_get_jpeg_dma_sg(solo_dev, fh->desc, vbuf->sglist,
483 enc_buf->jpeg_off, size);
486 static int solo_fill_mpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf,
487 struct videobuf_buffer *vb,
488 struct videobuf_dmabuf *vbuf)
490 struct solo_enc_dev *solo_enc = fh->enc;
491 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
492 struct vop_header vh;
494 int frame_size, frame_off;
497 if (WARN_ON_ONCE(enc_buf->size <= sizeof(vh)))
500 /* First get the hardware vop header (not real mpeg) */
501 ret = enc_get_mpeg_dma(solo_dev, &vh, enc_buf->off, sizeof(vh));
502 if (WARN_ON_ONCE(ret))
505 if (WARN_ON_ONCE(vh.size > enc_buf->size))
508 vb->width = vh.hsize << 4;
509 vb->height = vh.vsize << 4;
512 /* If this is a key frame, add extra m4v header */
514 u16 fps = solo_dev->fps * 1000;
515 u16 interval = solo_enc->interval * 1000;
516 u8 p[sizeof(vid_vop_header)];
518 memcpy(p, vid_vop_header, sizeof(p));
520 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
521 p[10] |= ((XVID_PAR_43_NTSC << 3) & 0x78);
523 p[10] |= ((XVID_PAR_43_PAL << 3) & 0x78);
525 /* Frame rate and interval */
527 p[23] = ((fps << 4) & 0xf0) | 0x0c | ((interval >> 13) & 0x3);
528 p[24] = (interval >> 5) & 0xff;
529 p[25] = ((interval << 3) & 0xf8) | 0x04;
531 /* Width and height */
532 p[26] = (vb->width >> 3) & 0xff;
533 p[27] = ((vb->height >> 9) & 0x0f) | 0x10;
534 p[28] = (vb->height >> 1) & 0xff;
540 enc_write_sg(vbuf->sglist, p, sizeof(p));
542 /* Adjust the dma buffer past this header */
543 vb->size += sizeof(vid_vop_header);
544 skip = sizeof(vid_vop_header);
547 /* Now get the actual mpeg payload */
548 frame_off = (enc_buf->off + sizeof(vh)) % SOLO_MP4E_EXT_SIZE(solo_dev);
549 frame_size = enc_buf->size - sizeof(vh);
551 ret = enc_get_mpeg_dma_sg(solo_dev, fh->desc, vbuf->sglist,
552 skip, frame_off, frame_size);
558 static void solo_enc_fillbuf(struct solo_enc_fh *fh,
559 struct videobuf_buffer *vb)
561 struct solo_enc_dev *solo_enc = fh->enc;
562 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
563 struct solo_enc_buf *enc_buf = NULL;
564 struct videobuf_dmabuf *vbuf;
567 u16 idx = fh->rd_idx;
569 while (idx != solo_dev->enc_wr_idx) {
570 struct solo_enc_buf *ebuf = &solo_dev->enc_buf[idx];
572 idx = (idx + 1) % SOLO_NR_RING_BUFS;
574 if (ebuf->ch != solo_enc->ch)
577 if (fh->fmt == V4L2_PIX_FMT_MPEG) {
578 if (fh->type == ebuf->type) {
583 /* For mjpeg, keep reading to the newest frame */
590 if (WARN_ON_ONCE(!enc_buf))
593 if ((fh->fmt == V4L2_PIX_FMT_MPEG &&
594 vb->bsize < enc_buf->size) ||
595 (fh->fmt == V4L2_PIX_FMT_MJPEG &&
596 vb->bsize < (enc_buf->jpeg_size + sizeof(jpeg_header)))) {
601 vbuf = videobuf_to_dma(vb);
602 if (WARN_ON_ONCE(!vbuf))
605 if (fh->fmt == V4L2_PIX_FMT_MPEG)
606 ret = solo_fill_mpeg(fh, enc_buf, vb, vbuf);
608 ret = solo_fill_jpeg(fh, enc_buf, vb, vbuf);
615 vb->state = VIDEOBUF_ERROR;
618 vb->ts = enc_buf->ts;
619 vb->state = VIDEOBUF_DONE;
627 static void solo_enc_thread_try(struct solo_enc_fh *fh)
629 struct solo_enc_dev *solo_enc = fh->enc;
630 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
631 struct videobuf_buffer *vb;
634 spin_lock(&solo_enc->lock);
636 if (fh->rd_idx == solo_dev->enc_wr_idx)
639 if (list_empty(&fh->vidq_active))
642 vb = list_first_entry(&fh->vidq_active,
643 struct videobuf_buffer, queue);
645 if (!waitqueue_active(&vb->done))
648 list_del(&vb->queue);
650 spin_unlock(&solo_enc->lock);
652 solo_enc_fillbuf(fh, vb);
655 assert_spin_locked(&solo_enc->lock);
656 spin_unlock(&solo_enc->lock);
659 static int solo_enc_thread(void *data)
661 struct solo_enc_fh *fh = data;
662 struct solo_enc_dev *solo_enc = fh->enc;
663 DECLARE_WAITQUEUE(wait, current);
666 add_wait_queue(&solo_enc->thread_wait, &wait);
669 long timeout = schedule_timeout_interruptible(HZ);
670 if (timeout == -ERESTARTSYS || kthread_should_stop())
672 solo_enc_thread_try(fh);
676 remove_wait_queue(&solo_enc->thread_wait, &wait);
681 void solo_motion_isr(struct solo6010_dev *solo_dev)
686 solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_MOTION);
688 status = solo_reg_read(solo_dev, SOLO_VI_MOT_STATUS);
690 for (i = 0; i < solo_dev->nr_chans; i++) {
691 struct solo_enc_dev *solo_enc = solo_dev->v4l2_enc[i];
693 BUG_ON(solo_enc == NULL);
695 if (solo_enc->motion_detected)
697 if (!(status & (1 << i)))
700 solo_enc->motion_detected = 1;
704 void solo_enc_v4l2_isr(struct solo6010_dev *solo_dev)
706 struct solo_enc_buf *enc_buf;
707 struct videnc_status vstatus;
708 u32 mpeg_current, mpeg_next, mpeg_size;
709 u32 jpeg_current, jpeg_next, jpeg_size;
713 enum solo_enc_types enc_type;
715 solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_ENCODER);
717 vstatus.status11 = solo_reg_read(solo_dev, SOLO_VE_STATE(11));
718 cur_q = (vstatus.status11_st.last_queue + 1) % MP4_QS;
720 vstatus.status0 = solo_reg_read(solo_dev, SOLO_VE_STATE(0));
721 reg_mpeg_size = (vstatus.status0_st.mp4_enc_code_size + 64 + 32) &
724 while (solo_dev->enc_idx != cur_q) {
725 mpeg_current = solo_reg_read(solo_dev,
726 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
727 jpeg_current = solo_reg_read(solo_dev,
728 SOLO_VE_JPEG_QUE(solo_dev->enc_idx));
729 solo_dev->enc_idx = (solo_dev->enc_idx + 1) % MP4_QS;
730 mpeg_next = solo_reg_read(solo_dev,
731 SOLO_VE_MPEG4_QUE(solo_dev->enc_idx));
732 jpeg_next = solo_reg_read(solo_dev,
733 SOLO_VE_JPEG_QUE(solo_dev->enc_idx));
735 ch = (mpeg_current >> 24) & 0x1f;
736 if (ch >= SOLO_MAX_CHANNELS) {
737 ch -= SOLO_MAX_CHANNELS;
738 enc_type = SOLO_ENC_TYPE_EXT;
740 enc_type = SOLO_ENC_TYPE_STD;
742 vop_type = (mpeg_current >> 29) & 3;
744 mpeg_current &= 0x00ffffff;
745 mpeg_next &= 0x00ffffff;
746 jpeg_current &= 0x00ffffff;
747 jpeg_next &= 0x00ffffff;
749 mpeg_size = (SOLO_MP4E_EXT_SIZE(solo_dev) +
750 mpeg_next - mpeg_current) %
751 SOLO_MP4E_EXT_SIZE(solo_dev);
753 jpeg_size = (SOLO_JPEG_EXT_SIZE(solo_dev) +
754 jpeg_next - jpeg_current) %
755 SOLO_JPEG_EXT_SIZE(solo_dev);
757 /* XXX I think this means we had a ring overflow? */
758 if (mpeg_current > mpeg_next && mpeg_size != reg_mpeg_size) {
759 enc_reset_gop(solo_dev, ch);
763 /* When resetting the GOP, skip frames until I-frame */
764 if (enc_gop_reset(solo_dev, ch, vop_type))
767 enc_buf = &solo_dev->enc_buf[solo_dev->enc_wr_idx];
769 enc_buf->vop = vop_type;
771 enc_buf->off = mpeg_current;
772 enc_buf->size = mpeg_size;
773 enc_buf->jpeg_off = jpeg_current;
774 enc_buf->jpeg_size = jpeg_size;
775 enc_buf->type = enc_type;
777 do_gettimeofday(&enc_buf->ts);
779 solo_dev->enc_wr_idx = (solo_dev->enc_wr_idx + 1) %
782 wake_up_interruptible(&solo_dev->v4l2_enc[ch]->thread_wait);
788 static int solo_enc_buf_setup(struct videobuf_queue *vq, unsigned int *count,
791 *size = FRAME_BUF_SIZE;
793 if (*count < MIN_VID_BUFFERS)
794 *count = MIN_VID_BUFFERS;
799 static int solo_enc_buf_prepare(struct videobuf_queue *vq,
800 struct videobuf_buffer *vb,
801 enum v4l2_field field)
803 struct solo_enc_fh *fh = vq->priv_data;
804 struct solo_enc_dev *solo_enc = fh->enc;
806 vb->size = FRAME_BUF_SIZE;
807 if (vb->baddr != 0 && vb->bsize < vb->size)
810 /* These properties only change when queue is idle */
811 vb->width = solo_enc->width;
812 vb->height = solo_enc->height;
815 if (vb->state == VIDEOBUF_NEEDS_INIT) {
816 int rc = videobuf_iolock(vq, vb, NULL);
818 struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
819 videobuf_dma_unmap(vq->dev, dma);
820 videobuf_dma_free(dma);
821 vb->state = VIDEOBUF_NEEDS_INIT;
825 vb->state = VIDEOBUF_PREPARED;
830 static void solo_enc_buf_queue(struct videobuf_queue *vq,
831 struct videobuf_buffer *vb)
833 struct solo_enc_fh *fh = vq->priv_data;
835 vb->state = VIDEOBUF_QUEUED;
836 list_add_tail(&vb->queue, &fh->vidq_active);
837 wake_up_interruptible(&fh->enc->thread_wait);
840 static void solo_enc_buf_release(struct videobuf_queue *vq,
841 struct videobuf_buffer *vb)
843 struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
845 videobuf_dma_unmap(vq->dev, dma);
846 videobuf_dma_free(dma);
847 vb->state = VIDEOBUF_NEEDS_INIT;
850 static struct videobuf_queue_ops solo_enc_video_qops = {
851 .buf_setup = solo_enc_buf_setup,
852 .buf_prepare = solo_enc_buf_prepare,
853 .buf_queue = solo_enc_buf_queue,
854 .buf_release = solo_enc_buf_release,
857 static unsigned int solo_enc_poll(struct file *file,
858 struct poll_table_struct *wait)
860 struct solo_enc_fh *fh = file->private_data;
862 return videobuf_poll_stream(file, &fh->vidq, wait);
865 static int solo_enc_mmap(struct file *file, struct vm_area_struct *vma)
867 struct solo_enc_fh *fh = file->private_data;
869 return videobuf_mmap_mapper(&fh->vidq, vma);
872 static int solo_enc_open(struct file *file)
874 struct solo_enc_dev *solo_enc = video_drvdata(file);
875 struct solo_enc_fh *fh;
877 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
882 file->private_data = fh;
883 INIT_LIST_HEAD(&fh->vidq_active);
884 fh->fmt = V4L2_PIX_FMT_MPEG;
885 fh->type = SOLO_ENC_TYPE_STD;
887 videobuf_queue_sg_init(&fh->vidq, &solo_enc_video_qops,
888 &solo_enc->solo_dev->pdev->dev,
890 V4L2_BUF_TYPE_VIDEO_CAPTURE,
891 V4L2_FIELD_INTERLACED,
892 sizeof(struct videobuf_buffer), fh, NULL);
897 static ssize_t solo_enc_read(struct file *file, char __user *data,
898 size_t count, loff_t *ppos)
900 struct solo_enc_fh *fh = file->private_data;
901 struct solo_enc_dev *solo_enc = fh->enc;
903 /* Make sure the encoder is on */
907 spin_lock(&solo_enc->lock);
908 ret = solo_enc_on(fh);
909 spin_unlock(&solo_enc->lock);
913 ret = solo_start_fh_thread(fh);
918 return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
919 file->f_flags & O_NONBLOCK);
922 static int solo_enc_release(struct file *file)
924 struct solo_enc_fh *fh = file->private_data;
925 struct solo_enc_dev *solo_enc = fh->enc;
927 videobuf_stop(&fh->vidq);
928 videobuf_mmap_free(&fh->vidq);
930 spin_lock(&solo_enc->lock);
932 spin_unlock(&solo_enc->lock);
939 static int solo_enc_querycap(struct file *file, void *priv,
940 struct v4l2_capability *cap)
942 struct solo_enc_fh *fh = priv;
943 struct solo_enc_dev *solo_enc = fh->enc;
944 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
946 strcpy(cap->driver, SOLO6010_NAME);
947 snprintf(cap->card, sizeof(cap->card), "Softlogic 6010 Enc %d",
949 snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s",
950 pci_name(solo_dev->pdev));
951 cap->version = SOLO6010_VER_NUM;
952 cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
958 static int solo_enc_enum_input(struct file *file, void *priv,
959 struct v4l2_input *input)
961 struct solo_enc_fh *fh = priv;
962 struct solo_enc_dev *solo_enc = fh->enc;
963 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
968 snprintf(input->name, sizeof(input->name), "Encoder %d",
970 input->type = V4L2_INPUT_TYPE_CAMERA;
972 if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
973 input->std = V4L2_STD_NTSC_M;
975 input->std = V4L2_STD_PAL_B;
977 if (!tw28_get_video_status(solo_dev, solo_enc->ch))
978 input->status = V4L2_IN_ST_NO_SIGNAL;
983 static int solo_enc_set_input(struct file *file, void *priv, unsigned int index)
991 static int solo_enc_get_input(struct file *file, void *priv,
999 static int solo_enc_enum_fmt_cap(struct file *file, void *priv,
1000 struct v4l2_fmtdesc *f)
1004 f->pixelformat = V4L2_PIX_FMT_MPEG;
1005 strcpy(f->description, "MPEG-4 AVC");
1008 f->pixelformat = V4L2_PIX_FMT_MJPEG;
1009 strcpy(f->description, "MJPEG");
1015 f->flags = V4L2_FMT_FLAG_COMPRESSED;
1020 static int solo_enc_try_fmt_cap(struct file *file, void *priv,
1021 struct v4l2_format *f)
1023 struct solo_enc_fh *fh = priv;
1024 struct solo_enc_dev *solo_enc = fh->enc;
1025 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1026 struct v4l2_pix_format *pix = &f->fmt.pix;
1028 if (pix->pixelformat != V4L2_PIX_FMT_MPEG &&
1029 pix->pixelformat != V4L2_PIX_FMT_MJPEG)
1032 /* We cannot change width/height in mid read */
1033 if (atomic_read(&solo_enc->readers) > 0) {
1034 if (pix->width != solo_enc->width ||
1035 pix->height != solo_enc->height)
1037 } else if (!(pix->width == solo_dev->video_hsize &&
1038 pix->height == solo_dev->video_vsize << 1) &&
1039 !(pix->width == solo_dev->video_hsize >> 1 &&
1040 pix->height == solo_dev->video_vsize)) {
1041 /* Default to CIF 1/2 size */
1042 pix->width = solo_dev->video_hsize >> 1;
1043 pix->height = solo_dev->video_vsize;
1046 if (pix->field == V4L2_FIELD_ANY)
1047 pix->field = V4L2_FIELD_INTERLACED;
1048 else if (pix->field != V4L2_FIELD_INTERLACED)
1049 pix->field = V4L2_FIELD_INTERLACED;
1051 /* Just set these */
1052 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
1053 pix->sizeimage = FRAME_BUF_SIZE;
1058 static int solo_enc_set_fmt_cap(struct file *file, void *priv,
1059 struct v4l2_format *f)
1061 struct solo_enc_fh *fh = priv;
1062 struct solo_enc_dev *solo_enc = fh->enc;
1063 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1064 struct v4l2_pix_format *pix = &f->fmt.pix;
1067 spin_lock(&solo_enc->lock);
1069 ret = solo_enc_try_fmt_cap(file, priv, f);
1071 spin_unlock(&solo_enc->lock);
1075 if (pix->width == solo_dev->video_hsize)
1076 solo_enc->mode = SOLO_ENC_MODE_D1;
1078 solo_enc->mode = SOLO_ENC_MODE_CIF;
1080 /* This does not change the encoder at all */
1081 fh->fmt = pix->pixelformat;
1084 fh->type = SOLO_ENC_TYPE_EXT;
1085 ret = solo_enc_on(fh);
1087 spin_unlock(&solo_enc->lock);
1092 return solo_start_fh_thread(fh);
1095 static int solo_enc_get_fmt_cap(struct file *file, void *priv,
1096 struct v4l2_format *f)
1098 struct solo_enc_fh *fh = priv;
1099 struct solo_enc_dev *solo_enc = fh->enc;
1100 struct v4l2_pix_format *pix = &f->fmt.pix;
1102 pix->width = solo_enc->width;
1103 pix->height = solo_enc->height;
1104 pix->pixelformat = fh->fmt;
1105 pix->field = solo_enc->interlaced ? V4L2_FIELD_INTERLACED :
1107 pix->sizeimage = FRAME_BUF_SIZE;
1108 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
1113 static int solo_enc_reqbufs(struct file *file, void *priv,
1114 struct v4l2_requestbuffers *req)
1116 struct solo_enc_fh *fh = priv;
1118 return videobuf_reqbufs(&fh->vidq, req);
1121 static int solo_enc_querybuf(struct file *file, void *priv,
1122 struct v4l2_buffer *buf)
1124 struct solo_enc_fh *fh = priv;
1126 return videobuf_querybuf(&fh->vidq, buf);
1129 static int solo_enc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
1131 struct solo_enc_fh *fh = priv;
1133 return videobuf_qbuf(&fh->vidq, buf);
1136 static int solo_enc_dqbuf(struct file *file, void *priv,
1137 struct v4l2_buffer *buf)
1139 struct solo_enc_fh *fh = priv;
1140 struct solo_enc_dev *solo_enc = fh->enc;
1143 /* Make sure the encoder is on */
1145 spin_lock(&solo_enc->lock);
1146 ret = solo_enc_on(fh);
1147 spin_unlock(&solo_enc->lock);
1151 ret = solo_start_fh_thread(fh);
1156 ret = videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK);
1160 /* Signal motion detection */
1161 if (solo_is_motion_on(solo_enc)) {
1162 buf->flags |= V4L2_BUF_FLAG_MOTION_ON;
1163 if (solo_enc->motion_detected) {
1164 buf->flags |= V4L2_BUF_FLAG_MOTION_DETECTED;
1165 solo_reg_write(solo_enc->solo_dev, SOLO_VI_MOT_CLEAR,
1167 solo_enc->motion_detected = 0;
1171 /* Check for key frame on mpeg data */
1172 if (fh->fmt == V4L2_PIX_FMT_MPEG) {
1173 struct videobuf_dmabuf *vbuf =
1174 videobuf_to_dma(fh->vidq.bufs[buf->index]);
1177 u8 *p = sg_virt(vbuf->sglist);
1179 buf->flags |= V4L2_BUF_FLAG_KEYFRAME;
1181 buf->flags |= V4L2_BUF_FLAG_PFRAME;
1188 static int solo_enc_streamon(struct file *file, void *priv,
1189 enum v4l2_buf_type i)
1191 struct solo_enc_fh *fh = priv;
1193 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1196 return videobuf_streamon(&fh->vidq);
1199 static int solo_enc_streamoff(struct file *file, void *priv,
1200 enum v4l2_buf_type i)
1202 struct solo_enc_fh *fh = priv;
1204 if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1207 return videobuf_streamoff(&fh->vidq);
1210 static int solo_enc_s_std(struct file *file, void *priv, v4l2_std_id *i)
1215 static int solo_enum_framesizes(struct file *file, void *priv,
1216 struct v4l2_frmsizeenum *fsize)
1218 struct solo_enc_fh *fh = priv;
1219 struct solo6010_dev *solo_dev = fh->enc->solo_dev;
1221 if (fsize->pixel_format != V4L2_PIX_FMT_MPEG)
1224 switch (fsize->index) {
1226 fsize->discrete.width = solo_dev->video_hsize >> 1;
1227 fsize->discrete.height = solo_dev->video_vsize;
1230 fsize->discrete.width = solo_dev->video_hsize;
1231 fsize->discrete.height = solo_dev->video_vsize << 1;
1237 fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
1242 static int solo_enum_frameintervals(struct file *file, void *priv,
1243 struct v4l2_frmivalenum *fintv)
1245 struct solo_enc_fh *fh = priv;
1246 struct solo6010_dev *solo_dev = fh->enc->solo_dev;
1248 if (fintv->pixel_format != V4L2_PIX_FMT_MPEG || fintv->index)
1251 fintv->type = V4L2_FRMIVAL_TYPE_STEPWISE;
1253 fintv->stepwise.min.numerator = solo_dev->fps;
1254 fintv->stepwise.min.denominator = 1;
1256 fintv->stepwise.max.numerator = solo_dev->fps;
1257 fintv->stepwise.max.denominator = 15;
1259 fintv->stepwise.step.numerator = 1;
1260 fintv->stepwise.step.denominator = 1;
1265 static int solo_g_parm(struct file *file, void *priv,
1266 struct v4l2_streamparm *sp)
1268 struct solo_enc_fh *fh = priv;
1269 struct solo_enc_dev *solo_enc = fh->enc;
1270 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1271 struct v4l2_captureparm *cp = &sp->parm.capture;
1273 cp->capability = V4L2_CAP_TIMEPERFRAME;
1274 cp->timeperframe.numerator = solo_enc->interval;
1275 cp->timeperframe.denominator = solo_dev->fps;
1276 cp->capturemode = 0;
1277 /* XXX: Shouldn't we be able to get/set this from videobuf? */
1278 cp->readbuffers = 2;
1283 static int solo_s_parm(struct file *file, void *priv,
1284 struct v4l2_streamparm *sp)
1286 struct solo_enc_fh *fh = priv;
1287 struct solo_enc_dev *solo_enc = fh->enc;
1288 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1289 struct v4l2_captureparm *cp = &sp->parm.capture;
1291 spin_lock(&solo_enc->lock);
1293 if (atomic_read(&solo_enc->readers) > 0) {
1294 spin_unlock(&solo_enc->lock);
1298 if ((cp->timeperframe.numerator == 0) ||
1299 (cp->timeperframe.denominator == 0)) {
1300 /* reset framerate */
1301 cp->timeperframe.numerator = 1;
1302 cp->timeperframe.denominator = solo_dev->fps;
1305 if (cp->timeperframe.denominator != solo_dev->fps)
1306 cp->timeperframe.denominator = solo_dev->fps;
1308 if (cp->timeperframe.numerator > 15)
1309 cp->timeperframe.numerator = 15;
1311 solo_enc->interval = cp->timeperframe.numerator;
1313 cp->capability = V4L2_CAP_TIMEPERFRAME;
1315 solo_enc->gop = max(solo_dev->fps / solo_enc->interval, 1);
1316 solo_update_mode(solo_enc);
1318 spin_unlock(&solo_enc->lock);
1323 static int solo_queryctrl(struct file *file, void *priv,
1324 struct v4l2_queryctrl *qc)
1326 struct solo_enc_fh *fh = priv;
1327 struct solo_enc_dev *solo_enc = fh->enc;
1328 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1330 qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id);
1335 case V4L2_CID_BRIGHTNESS:
1336 case V4L2_CID_CONTRAST:
1337 case V4L2_CID_SATURATION:
1339 return v4l2_ctrl_query_fill(qc, 0x00, 0xff, 1, 0x80);
1340 case V4L2_CID_SHARPNESS:
1341 return v4l2_ctrl_query_fill(qc, 0x00, 0x0f, 1, 0x00);
1342 case V4L2_CID_MPEG_VIDEO_ENCODING:
1343 return v4l2_ctrl_query_fill(
1344 qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
1345 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
1346 V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC);
1347 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1348 return v4l2_ctrl_query_fill(qc, 1, 255, 1, solo_dev->fps);
1350 case V4L2_CID_MOTION_THRESHOLD:
1351 qc->flags |= V4L2_CTRL_FLAG_SLIDER;
1352 qc->type = V4L2_CTRL_TYPE_INTEGER;
1354 qc->maximum = 0xffff;
1356 qc->default_value = SOLO_DEF_MOT_THRESH;
1357 strlcpy(qc->name, "Motion Detection Threshold",
1360 case V4L2_CID_MOTION_ENABLE:
1361 qc->type = V4L2_CTRL_TYPE_BOOLEAN;
1363 qc->maximum = qc->step = 1;
1364 qc->default_value = 0;
1365 strlcpy(qc->name, "Motion Detection Enable", sizeof(qc->name));
1368 case V4L2_CID_MOTION_THRESHOLD:
1369 return v4l2_ctrl_query_fill(qc, 0, 0xffff, 1,
1370 SOLO_DEF_MOT_THRESH);
1371 case V4L2_CID_MOTION_ENABLE:
1372 return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
1374 case V4L2_CID_RDS_TX_RADIO_TEXT:
1375 qc->type = V4L2_CTRL_TYPE_STRING;
1377 qc->maximum = OSD_TEXT_MAX;
1379 qc->default_value = 0;
1380 strlcpy(qc->name, "OSD Text", sizeof(qc->name));
1387 static int solo_querymenu(struct file *file, void *priv,
1388 struct v4l2_querymenu *qmenu)
1390 struct v4l2_queryctrl qctrl;
1393 qctrl.id = qmenu->id;
1394 err = solo_queryctrl(file, priv, &qctrl);
1398 return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL);
1401 static int solo_g_ctrl(struct file *file, void *priv,
1402 struct v4l2_control *ctrl)
1404 struct solo_enc_fh *fh = priv;
1405 struct solo_enc_dev *solo_enc = fh->enc;
1406 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1409 case V4L2_CID_BRIGHTNESS:
1410 case V4L2_CID_CONTRAST:
1411 case V4L2_CID_SATURATION:
1413 case V4L2_CID_SHARPNESS:
1414 return tw28_get_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1416 case V4L2_CID_MPEG_VIDEO_ENCODING:
1417 ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC;
1419 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1420 ctrl->value = solo_enc->gop;
1422 case V4L2_CID_MOTION_THRESHOLD:
1423 ctrl->value = solo_enc->motion_thresh;
1425 case V4L2_CID_MOTION_ENABLE:
1426 ctrl->value = solo_is_motion_on(solo_enc);
1435 static int solo_s_ctrl(struct file *file, void *priv,
1436 struct v4l2_control *ctrl)
1438 struct solo_enc_fh *fh = priv;
1439 struct solo_enc_dev *solo_enc = fh->enc;
1440 struct solo6010_dev *solo_dev = solo_enc->solo_dev;
1443 case V4L2_CID_BRIGHTNESS:
1444 case V4L2_CID_CONTRAST:
1445 case V4L2_CID_SATURATION:
1447 case V4L2_CID_SHARPNESS:
1448 return tw28_set_ctrl_val(solo_dev, ctrl->id, solo_enc->ch,
1450 case V4L2_CID_MPEG_VIDEO_ENCODING:
1451 if (ctrl->value != V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC)
1454 case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
1455 if (ctrl->value < 1 || ctrl->value > 255)
1457 solo_enc->gop = ctrl->value;
1458 solo_reg_write(solo_dev, SOLO_VE_CH_GOP(solo_enc->ch),
1460 solo_reg_write(solo_dev, SOLO_VE_CH_GOP_E(solo_enc->ch),
1463 case V4L2_CID_MOTION_THRESHOLD:
1464 /* TODO accept value on lower 16-bits and use high
1465 * 16-bits to assign the value to a specific block */
1466 if (ctrl->value < 0 || ctrl->value > 0xffff)
1468 solo_enc->motion_thresh = ctrl->value;
1469 solo_set_motion_threshold(solo_dev, solo_enc->ch, ctrl->value);
1471 case V4L2_CID_MOTION_ENABLE:
1472 solo_motion_toggle(solo_enc, ctrl->value);
1481 static int solo_s_ext_ctrls(struct file *file, void *priv,
1482 struct v4l2_ext_controls *ctrls)
1484 struct solo_enc_fh *fh = priv;
1485 struct solo_enc_dev *solo_enc = fh->enc;
1488 for (i = 0; i < ctrls->count; i++) {
1489 struct v4l2_ext_control *ctrl = (ctrls->controls + i);
1493 case V4L2_CID_RDS_TX_RADIO_TEXT:
1494 if (ctrl->size - 1 > OSD_TEXT_MAX)
1497 err = copy_from_user(solo_enc->osd_text,
1500 solo_enc->osd_text[OSD_TEXT_MAX] = '\0';
1502 err = solo_osd_print(solo_enc);
1510 ctrls->error_idx = i;
1518 static int solo_g_ext_ctrls(struct file *file, void *priv,
1519 struct v4l2_ext_controls *ctrls)
1521 struct solo_enc_fh *fh = priv;
1522 struct solo_enc_dev *solo_enc = fh->enc;
1525 for (i = 0; i < ctrls->count; i++) {
1526 struct v4l2_ext_control *ctrl = (ctrls->controls + i);
1530 case V4L2_CID_RDS_TX_RADIO_TEXT:
1531 if (ctrl->size < OSD_TEXT_MAX) {
1532 ctrl->size = OSD_TEXT_MAX;
1535 err = copy_to_user(ctrl->string,
1545 ctrls->error_idx = i;
1553 static const struct v4l2_file_operations solo_enc_fops = {
1554 .owner = THIS_MODULE,
1555 .open = solo_enc_open,
1556 .release = solo_enc_release,
1557 .read = solo_enc_read,
1558 .poll = solo_enc_poll,
1559 .mmap = solo_enc_mmap,
1560 .ioctl = video_ioctl2,
1563 static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
1564 .vidioc_querycap = solo_enc_querycap,
1565 .vidioc_s_std = solo_enc_s_std,
1566 /* Input callbacks */
1567 .vidioc_enum_input = solo_enc_enum_input,
1568 .vidioc_s_input = solo_enc_set_input,
1569 .vidioc_g_input = solo_enc_get_input,
1570 /* Video capture format callbacks */
1571 .vidioc_enum_fmt_vid_cap = solo_enc_enum_fmt_cap,
1572 .vidioc_try_fmt_vid_cap = solo_enc_try_fmt_cap,
1573 .vidioc_s_fmt_vid_cap = solo_enc_set_fmt_cap,
1574 .vidioc_g_fmt_vid_cap = solo_enc_get_fmt_cap,
1576 .vidioc_reqbufs = solo_enc_reqbufs,
1577 .vidioc_querybuf = solo_enc_querybuf,
1578 .vidioc_qbuf = solo_enc_qbuf,
1579 .vidioc_dqbuf = solo_enc_dqbuf,
1580 .vidioc_streamon = solo_enc_streamon,
1581 .vidioc_streamoff = solo_enc_streamoff,
1582 /* Frame size and interval */
1583 .vidioc_enum_framesizes = solo_enum_framesizes,
1584 .vidioc_enum_frameintervals = solo_enum_frameintervals,
1585 /* Video capture parameters */
1586 .vidioc_s_parm = solo_s_parm,
1587 .vidioc_g_parm = solo_g_parm,
1589 .vidioc_queryctrl = solo_queryctrl,
1590 .vidioc_querymenu = solo_querymenu,
1591 .vidioc_g_ctrl = solo_g_ctrl,
1592 .vidioc_s_ctrl = solo_s_ctrl,
1593 .vidioc_g_ext_ctrls = solo_g_ext_ctrls,
1594 .vidioc_s_ext_ctrls = solo_s_ext_ctrls,
1597 static struct video_device solo_enc_template = {
1598 .name = SOLO6010_NAME,
1599 .fops = &solo_enc_fops,
1600 .ioctl_ops = &solo_enc_ioctl_ops,
1602 .release = video_device_release,
1604 .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_B,
1605 .current_norm = V4L2_STD_NTSC_M,
1608 static struct solo_enc_dev *solo_enc_alloc(struct solo6010_dev *solo_dev, u8 ch)
1610 struct solo_enc_dev *solo_enc;
1613 solo_enc = kzalloc(sizeof(*solo_enc), GFP_KERNEL);
1615 return ERR_PTR(-ENOMEM);
1617 solo_enc->vfd = video_device_alloc();
1618 if (!solo_enc->vfd) {
1620 return ERR_PTR(-ENOMEM);
1623 solo_enc->solo_dev = solo_dev;
1626 *solo_enc->vfd = solo_enc_template;
1627 solo_enc->vfd->parent = &solo_dev->pdev->dev;
1628 ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER,
1631 video_device_release(solo_enc->vfd);
1633 return ERR_PTR(ret);
1636 video_set_drvdata(solo_enc->vfd, solo_enc);
1638 snprintf(solo_enc->vfd->name, sizeof(solo_enc->vfd->name),
1639 "%s-enc (%i/%i)", SOLO6010_NAME, solo_dev->vfd->num,
1640 solo_enc->vfd->num);
1645 spin_lock_init(&solo_enc->lock);
1646 init_waitqueue_head(&solo_enc->thread_wait);
1647 atomic_set(&solo_enc->readers, 0);
1649 solo_enc->qp = SOLO_DEFAULT_QP;
1650 solo_enc->gop = solo_dev->fps;
1651 solo_enc->interval = 1;
1652 solo_enc->mode = SOLO_ENC_MODE_CIF;
1653 solo_enc->motion_thresh = SOLO_DEF_MOT_THRESH;
1655 spin_lock(&solo_enc->lock);
1656 solo_update_mode(solo_enc);
1657 spin_unlock(&solo_enc->lock);
1662 static void solo_enc_free(struct solo_enc_dev *solo_enc)
1664 if (solo_enc == NULL)
1667 video_unregister_device(solo_enc->vfd);
1671 int solo_enc_v4l2_init(struct solo6010_dev *solo_dev)
1675 for (i = 0; i < solo_dev->nr_chans; i++) {
1676 solo_dev->v4l2_enc[i] = solo_enc_alloc(solo_dev, i);
1677 if (IS_ERR(solo_dev->v4l2_enc[i]))
1681 if (i != solo_dev->nr_chans) {
1682 int ret = PTR_ERR(solo_dev->v4l2_enc[i]);
1684 solo_enc_free(solo_dev->v4l2_enc[i]);
1688 /* D1@MAX-FPS * 4 */
1689 solo_dev->enc_bw_remain = solo_dev->fps * 4 * 4;
1691 dev_info(&solo_dev->pdev->dev, "Encoders as /dev/video%d-%d\n",
1692 solo_dev->v4l2_enc[0]->vfd->num,
1693 solo_dev->v4l2_enc[solo_dev->nr_chans - 1]->vfd->num);
1698 void solo_enc_v4l2_exit(struct solo6010_dev *solo_dev)
1702 solo6010_irq_off(solo_dev, SOLO_IRQ_MOTION);
1704 for (i = 0; i < solo_dev->nr_chans; i++)
1705 solo_enc_free(solo_dev->v4l2_enc[i]);