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Diffstat (limited to 'drivers/staging/media/solo6x10/v4l2-enc.c')
-rw-r--r--drivers/staging/media/solo6x10/v4l2-enc.c1829
1 files changed, 0 insertions, 1829 deletions
diff --git a/drivers/staging/media/solo6x10/v4l2-enc.c b/drivers/staging/media/solo6x10/v4l2-enc.c
deleted file mode 100644
index 4977e869d5b..00000000000
--- a/drivers/staging/media/solo6x10/v4l2-enc.c
+++ /dev/null
@@ -1,1829 +0,0 @@
-/*
- * 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-sg.h>
-#include "solo6x10.h"
-#include "tw28.h"
-#include "solo6x10-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;
- struct p2m_desc desc[SOLO_NR_P2M_DESC];
-};
-
-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
-};
-
-static int solo_is_motion_on(struct solo_enc_dev *solo_enc)
-{
- struct solo_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 solo_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);
-
- /* Do this regardless of if we are turning on or off */
- solo_reg_write(solo_enc->solo_dev, SOLO_VI_MOT_CLEAR,
- 1 << solo_enc->ch);
- solo_enc->motion_detected = 0;
-
- 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)
- solo_irq_on(solo_dev, SOLO_IRQ_MOTION);
- else
- solo_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 solo_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\n");
- }
-}
-
-/* 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 solo_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->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 solo_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 int solo_start_fh_thread(struct solo_enc_fh *fh)
-{
- struct solo_enc_dev *solo_enc = fh->enc;
-
- fh->kthread = kthread_run(solo_enc_thread, fh, SOLO6X10_NAME "_enc");
-
- /* Oops, we had a problem */
- if (IS_ERR(fh->kthread)) {
- spin_lock(&solo_enc->lock);
- solo_enc_off(fh);
- spin_unlock(&solo_enc->lock);
-
- return PTR_ERR(fh->kthread);
- }
-
- return 0;
-}
-
-static void enc_reset_gop(struct solo_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 solo_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 void enc_write_sg(struct scatterlist *sglist, void *buf, int size)
-{
- struct scatterlist *sg;
- u8 *src = buf;
-
- for (sg = sglist; sg && size > 0; sg = sg_next(sg)) {
- u8 *p = sg_virt(sg);
- size_t len = sg_dma_len(sg);
- int i;
-
- for (i = 0; i < len && size; i++)
- p[i] = *(src++);
- }
-}
-
-static int enc_get_mpeg_dma_sg(struct solo_dev *solo_dev,
- struct p2m_desc *desc,
- struct scatterlist *sglist, int skip,
- 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_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E,
- desc, 0, sglist, skip,
- SOLO_MP4E_EXT_ADDR(solo_dev) + off, size);
- }
-
- /* Buffer wrap */
- ret = solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E, desc, 0,
- sglist, skip, SOLO_MP4E_EXT_ADDR(solo_dev) + off,
- SOLO_MP4E_EXT_SIZE(solo_dev) - off);
-
- ret |= solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_MP4E, desc, 0,
- sglist, skip + 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_t(struct solo_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 solo_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_sg(struct solo_dev *solo_dev,
- struct p2m_desc *desc,
- struct scatterlist *sglist, int skip,
- 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_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG,
- desc, 0, sglist, skip,
- SOLO_JPEG_EXT_ADDR(solo_dev) + off, size);
- }
-
- /* Buffer wrap */
- ret = solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG, desc, 0,
- sglist, skip, SOLO_JPEG_EXT_ADDR(solo_dev) + off,
- SOLO_JPEG_EXT_SIZE(solo_dev) - off);
-
- ret |= solo_p2m_dma_sg(solo_dev, SOLO_P2M_DMA_ID_JPEG, desc, 0,
- sglist, skip + SOLO_JPEG_EXT_SIZE(solo_dev) - off,
- SOLO_JPEG_EXT_ADDR(solo_dev),
- size + off - SOLO_JPEG_EXT_SIZE(solo_dev));
-
- return ret;
-}
-
-/* Returns true of __chk is within the first __range bytes of __off */
-#define OFF_IN_RANGE(__off, __range, __chk) \
- ((__off <= __chk) && ((__off + __range) >= __chk))
-
-static void solo_jpeg_header(struct solo_enc_dev *solo_enc,
- struct videobuf_dmabuf *vbuf)
-{
- struct scatterlist *sg;
- void *src = jpeg_header;
- size_t copied = 0;
- size_t to_copy = sizeof(jpeg_header);
-
- for (sg = vbuf->sglist; sg && copied < to_copy; sg = sg_next(sg)) {
- size_t this_copy = min(sg_dma_len(sg),
- (unsigned int)(to_copy - copied));
- u8 *p = sg_virt(sg);
-
- memcpy(p, src + copied, this_copy);
-
- if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 5))
- p[(SOF0_START + 5) - copied] =
- 0xff & (solo_enc->height >> 8);
- if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 6))
- p[(SOF0_START + 6) - copied] = 0xff & solo_enc->height;
- if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 7))
- p[(SOF0_START + 7) - copied] =
- 0xff & (solo_enc->width >> 8);
- if (OFF_IN_RANGE(copied, this_copy, SOF0_START + 8))
- p[(SOF0_START + 8) - copied] = 0xff & solo_enc->width;
-
- copied += this_copy;
- }
-}
-
-static int solo_fill_jpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf,
- struct videobuf_buffer *vb,
- struct videobuf_dmabuf *vbuf)
-{
- struct solo_dev *solo_dev = fh->enc->solo_dev;
- int size = enc_buf->jpeg_size;
-
- /* Copy the header first (direct write) */
- solo_jpeg_header(fh->enc, vbuf);
-
- vb->size = size + sizeof(jpeg_header);
-
- /* Grab the jpeg frame */
- return enc_get_jpeg_dma_sg(solo_dev, fh->desc, vbuf->sglist,
- sizeof(jpeg_header),
- enc_buf->jpeg_off, size);
-}
-
-static inline int vop_interlaced(__le32 *vh)
-{
- return (__le32_to_cpu(vh[0]) >> 30) & 1;
-}
-
-static inline u32 vop_size(__le32 *vh)
-{
- return __le32_to_cpu(vh[0]) & 0xFFFFF;
-}
-
-static inline u8 vop_hsize(__le32 *vh)
-{
- return (__le32_to_cpu(vh[1]) >> 8) & 0xFF;
-}
-
-static inline u8 vop_vsize(__le32 *vh)
-{
- return __le32_to_cpu(vh[1]) & 0xFF;
-}
-
-/* must be called with *bits % 8 = 0 */
-static void write_bytes(u8 **out, unsigned *bits, const u8 *src, unsigned count)
-{
- memcpy(*out, src, count);
- *out += count;
- *bits += count * 8;
-}
-
-static void write_bits(u8 **out, unsigned *bits, u32 value, unsigned count)
-{
-
- value <<= 32 - count; // shift to the right
-
- while (count--) {
- **out <<= 1;
- **out |= !!(value & (1 << 31)); /* MSB */
- value <<= 1;
- if (++(*bits) % 8 == 0)
- (*out)++;
- }
-}
-
-static void write_ue(u8 **out, unsigned *bits, unsigned value) /* H.264 only */
-{
- uint32_t max = 0, cnt = 0;
-
- while (value > max) {
- max = (max + 2) * 2 - 2;
- cnt++;
- }
- write_bits(out, bits, 1, cnt + 1);
- write_bits(out, bits, ~(max - value), cnt);
-}
-
-static void write_se(u8 **out, unsigned *bits, int value) /* H.264 only */
-{
- if (value <= 0)
- write_ue(out, bits, -value * 2);
- else
- write_ue(out, bits, value * 2 - 1);
-}
-
-static void write_mpeg4_end(u8 **out, unsigned *bits)
-{
- write_bits(out, bits, 0, 1);
- /* align on 32-bit boundary */
- if (*bits % 32)
- write_bits(out, bits, 0xFFFFFFFF, 32 - *bits % 32);
-}
-
-static void write_h264_end(u8 **out, unsigned *bits, int align)
-{
- write_bits(out, bits, 1, 1);
- while ((*bits) % 8)
- write_bits(out, bits, 0, 1);
- if (align)
- while ((*bits) % 32)
- write_bits(out, bits, 0, 1);
-}
-
-static void mpeg4_write_vol(u8 **out, struct solo_dev *solo_dev,
- __le32 *vh, unsigned fps, unsigned interval)
-{
- static const u8 hdr[] = {
- 0, 0, 1, 0x00 /* video_object_start_code */,
- 0, 0, 1, 0x20 /* video_object_layer_start_code */
- };
- unsigned bits = 0;
- unsigned width = vop_hsize(vh) << 4;
- unsigned height = vop_vsize(vh) << 4;
- unsigned interlaced = vop_interlaced(vh);
-
- write_bytes(out, &bits, hdr, sizeof(hdr));
- write_bits(out, &bits, 0, 1); /* random_accessible_vol */
- write_bits(out, &bits, 0x04, 8); /* video_object_type_indication: main */
- write_bits(out, &bits, 1, 1); /* is_object_layer_identifier */
- write_bits(out, &bits, 2, 4); /* video_object_layer_verid: table V2-39 */
- write_bits(out, &bits, 0, 3); /* video_object_layer_priority */
- if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
- write_bits(out, &bits, 3, 4); /* aspect_ratio_info, assuming 4:3 */
- else
- write_bits(out, &bits, 2, 4);
- write_bits(out, &bits, 1, 1); /* vol_control_parameters */
- write_bits(out, &bits, 1, 2); /* chroma_format: 4:2:0 */
- write_bits(out, &bits, 1, 1); /* low_delay */
- write_bits(out, &bits, 0, 1); /* vbv_parameters */
- write_bits(out, &bits, 0, 2); /* video_object_layer_shape: rectangular */
- write_bits(out, &bits, 1, 1); /* marker_bit */
- write_bits(out, &bits, fps, 16); /* vop_time_increment_resolution */
- write_bits(out, &bits, 1, 1); /* marker_bit */
- write_bits(out, &bits, 1, 1); /* fixed_vop_rate */
- write_bits(out, &bits, interval, 15); /* fixed_vop_time_increment */
- write_bits(out, &bits, 1, 1); /* marker_bit */
- write_bits(out, &bits, width, 13); /* video_object_layer_width */
- write_bits(out, &bits, 1, 1); /* marker_bit */
- write_bits(out, &bits, height, 13); /* video_object_layer_height */
- write_bits(out, &bits, 1, 1); /* marker_bit */
- write_bits(out, &bits, interlaced, 1); /* interlaced */
- write_bits(out, &bits, 1, 1); /* obmc_disable */
- write_bits(out, &bits, 0, 2); /* sprite_enable */
- write_bits(out, &bits, 0, 1); /* not_8_bit */
- write_bits(out, &bits, 1, 0); /* quant_type */
- write_bits(out, &bits, 0, 1); /* load_intra_quant_mat */
- write_bits(out, &bits, 0, 1); /* load_nonintra_quant_mat */
- write_bits(out, &bits, 0, 1); /* quarter_sample */
- write_bits(out, &bits, 1, 1); /* complexity_estimation_disable */
- write_bits(out, &bits, 1, 1); /* resync_marker_disable */
- write_bits(out, &bits, 0, 1); /* data_partitioned */
- write_bits(out, &bits, 0, 1); /* newpred_enable */
- write_bits(out, &bits, 0, 1); /* reduced_resolution_vop_enable */
- write_bits(out, &bits, 0, 1); /* scalability */
- write_mpeg4_end(out, &bits);
-}
-
-static void h264_write_vol(u8 **out, struct solo_dev *solo_dev, __le32 *vh)
-{
- static const u8 sps[] = {
- 0, 0, 0, 1 /* start code */, 0x67, 66 /* profile_idc */,
- 0 /* constraints */, 30 /* level_idc */
- };
- static const u8 pps[] = {
- 0, 0, 0, 1 /* start code */, 0x68
- };
-
- unsigned bits = 0;
- unsigned mbs_w = vop_hsize(vh);
- unsigned mbs_h = vop_vsize(vh);
-
- write_bytes(out, &bits, sps, sizeof(sps));
- write_ue(out, &bits, 0); /* seq_parameter_set_id */
- write_ue(out, &bits, 5); /* log2_max_frame_num_minus4 */
- write_ue(out, &bits, 0); /* pic_order_cnt_type */
- write_ue(out, &bits, 6); /* log2_max_pic_order_cnt_lsb_minus4 */
- write_ue(out, &bits, 1); /* max_num_ref_frames */
- write_bits(out, &bits, 0, 1); /* gaps_in_frame_num_value_allowed_flag */
- write_ue(out, &bits, mbs_w - 1); /* pic_width_in_mbs_minus1 */
- write_ue(out, &bits, mbs_h - 1); /* pic_height_in_map_units_minus1 */
- write_bits(out, &bits, 1, 1); /* frame_mbs_only_flag */
- write_bits(out, &bits, 1, 1); /* direct_8x8_frame_field_flag */
- write_bits(out, &bits, 0, 1); /* frame_cropping_flag */
- write_bits(out, &bits, 0, 1); /* vui_parameters_present_flag */
- write_h264_end(out, &bits, 0);
-
- write_bytes(out, &bits, pps, sizeof(pps));
- write_ue(out, &bits, 0); /* pic_parameter_set_id */
- write_ue(out, &bits, 0); /* seq_parameter_set_id */
- write_bits(out, &bits, 0, 1); /* entropy_coding_mode_flag */
- write_bits(out, &bits, 0, 1); /* bottom_field_pic_order_in_frame_present_flag */
- write_ue(out, &bits, 0); /* num_slice_groups_minus1 */
- write_ue(out, &bits, 0); /* num_ref_idx_l0_default_active_minus1 */
- write_ue(out, &bits, 0); /* num_ref_idx_l1_default_active_minus1 */
- write_bits(out, &bits, 0, 1); /* weighted_pred_flag */
- write_bits(out, &bits, 0, 2); /* weighted_bipred_idc */
- write_se(out, &bits, 0); /* pic_init_qp_minus26 */
- write_se(out, &bits, 0); /* pic_init_qs_minus26 */
- write_se(out, &bits, 2); /* chroma_qp_index_offset */
- write_bits(out, &bits, 0, 1); /* deblocking_filter_control_present_flag */
- write_bits(out, &bits, 1, 1); /* constrained_intra_pred_flag */
- write_bits(out, &bits, 0, 1); /* redundant_pic_cnt_present_flag */
- write_h264_end(out, &bits, 1);
-}
-
-static int solo_fill_mpeg(struct solo_enc_fh *fh, struct solo_enc_buf *enc_buf,
- struct videobuf_buffer *vb,
- struct videobuf_dmabuf *vbuf)
-{
- struct solo_enc_dev *solo_enc = fh->enc;
- struct solo_dev *solo_dev = solo_enc->solo_dev;
-
-#define VH_WORDS 16
-#define MAX_VOL_HEADER_LENGTH 64
-
- __le32 vh[VH_WORDS];
- int ret;
- int frame_size, frame_off;
- int skip = 0;
-
- if (WARN_ON_ONCE(enc_buf->size <= sizeof(vh)))
- return -EINVAL;
-
- /* First get the hardware vop header (not real mpeg) */
- ret = enc_get_mpeg_dma(solo_dev, vh, enc_buf->off, sizeof(vh));
- if (WARN_ON_ONCE(ret))
- return ret;
-
- if (WARN_ON_ONCE(vop_size(vh) > enc_buf->size))
- return -EINVAL;
-
- vb->width = vop_hsize(vh) << 4;
- vb->height = vop_vsize(vh) << 4;
- vb->size = vop_size(vh);
-
- /* If this is a key frame, add extra m4v header */
- if (!enc_buf->vop) {
- u8 header[MAX_VOL_HEADER_LENGTH], *out = header;
-
- if (solo_dev->flags & FLAGS_6110)
- h264_write_vol(&out, solo_dev, vh);
- else
- mpeg4_write_vol(&out, solo_dev, vh,
- solo_dev->fps * 1000,
- solo_enc->interval * 1000);
- skip = out - header;
- enc_write_sg(vbuf->sglist, header, skip);
- /* Adjust the dma buffer past this header */
- vb->size += skip;
- }
-
- /* 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_sg(solo_dev, fh->desc, vbuf->sglist,
- skip, frame_off, frame_size);
- WARN_ON_ONCE(ret);
-
- return ret;
-}
-
-static void solo_enc_fillbuf(struct solo_enc_fh *fh,
- struct videobuf_buffer *vb)
-{
- struct solo_enc_dev *solo_enc = fh->enc;
- struct solo_dev *solo_dev = solo_enc->solo_dev;
- struct solo_enc_buf *enc_buf = NULL;
- struct videobuf_dmabuf *vbuf;
- int ret;
- int error = 1;
- 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 (ebuf->ch != solo_enc->ch)
- continue;
-
- if (fh->fmt == V4L2_PIX_FMT_MPEG) {
- if (fh->type == ebuf->type) {
- enc_buf = ebuf;
- break;
- }
- } else {
- /* For mjpeg, keep reading to the newest frame */
- enc_buf = ebuf;
- }
- }
-
- fh->rd_idx = idx;
-
- if (WARN_ON_ONCE(!enc_buf))
- goto buf_err;
-
- 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)))) {
- WARN_ON_ONCE(1);
- goto buf_err;
- }
-
- vbuf = videobuf_to_dma(vb);
- if (WARN_ON_ONCE(!vbuf))
- goto buf_err;
-
- 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)
- error = 0;
-
-buf_err:
- if (error) {
- vb->state = VIDEOBUF_ERROR;
- } else {
- vb->field_count++;
- vb->ts = enc_buf->ts;
- vb->state = VIDEOBUF_DONE;
- }
-
- wake_up(&vb->done);
-
- return;
-}
-
-static void solo_enc_thread_try(struct solo_enc_fh *fh)
-{
- struct solo_enc_dev *solo_enc = fh->enc;
- struct solo_dev *solo_dev = solo_enc->solo_dev;
- struct videobuf_buffer *vb;
-
- for (;;) {
- spin_lock(&solo_enc->lock);
-
- if (fh->rd_idx == solo_dev->enc_wr_idx)
- break;
-
- if (list_empty(&fh->vidq_active))
- break;
-
- vb = list_first_entry(&fh->vidq_active,
- struct videobuf_buffer, queue);
-
- if (!waitqueue_active(&vb->done))
- break;
-
- list_del(&vb->queue);
-
- spin_unlock(&solo_enc->lock);
-
- solo_enc_fillbuf(fh, vb);
- }
-
- 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 solo_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 solo_dev *solo_dev)
-{
- struct solo_enc_buf *enc_buf;
- 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);
-
- cur_q = ((solo_reg_read(solo_dev, SOLO_VE_STATE(11)) & 0xF) + 1) % MP4_QS;
-
- reg_mpeg_size = ((solo_reg_read(solo_dev, SOLO_VE_STATE(0)) & 0xFFFFF) + 64 + 8) & ~7;
-
- 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));
-
- ch = (mpeg_current >> 24) & 0x1f;
- if (ch >= 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) {
- struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
- videobuf_dma_unmap(vq->dev, dma);
- videobuf_dma_free(dma);
- 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)
-{
- struct videobuf_dmabuf *dma = videobuf_to_dma(vb);
-
- videobuf_dma_unmap(vq->dev, dma);
- videobuf_dma_free(dma);
- 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;
-
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (fh == NULL)
- return -ENOMEM;
-
- 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_sg_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, NULL);
-
- 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;
-
- ret = solo_start_fh_thread(fh);
- 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;
- struct solo_enc_dev *solo_enc = fh->enc;
-
- videobuf_stop(&fh->vidq);
- videobuf_mmap_free(&fh->vidq);
-
- spin_lock(&solo_enc->lock);
- solo_enc_off(fh);
- spin_unlock(&solo_enc->lock);
-
- 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 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->version = SOLO6X10_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 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;
-
- if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC)
- input->std = V4L2_STD_NTSC_M;
- else
- input->std = V4L2_STD_PAL_B;
-
- 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 solo_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;
- }
-
- 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;
- }
-
- 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 solo_dev *solo_dev = solo_enc->solo_dev;
- struct v4l2_pix_format *pix = &f->fmt.pix;
- int ret;
-
- spin_lock(&solo_enc->lock);
-
- ret = solo_enc_try_fmt_cap(file, priv, f);
- if (ret) {
- 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);
-
- if (ret)
- return ret;
-
- return solo_start_fh_thread(fh);
-}
-
-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 = solo_start_fh_thread(fh);
- 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_dmabuf *vbuf =
- videobuf_to_dma(fh->vidq.bufs[buf->index]);
-
- if (vbuf) {
- u8 *p = sg_virt(vbuf->sglist);
- 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 solo_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 solo_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 solo_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 solo_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 solo_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;
- err = solo_queryctrl(file, priv, &qctrl);
- if (err)
- 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 solo_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 solo_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);
- else
- err = -EFAULT;
- }
- 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);
- if (err)
- err = -EFAULT;
- }
- 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 = 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_B,
- .current_norm = V4L2_STD_NTSC_M,
-};
-
-static struct solo_enc_dev *solo_enc_alloc(struct solo_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)", SOLO6X10_NAME, solo_dev->vfd->num,
- solo_enc->vfd->num);
-
- if (video_nr != -1)
- 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 solo_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 solo_dev *solo_dev)
-{
- int i;
-
- solo_irq_off(solo_dev, SOLO_IRQ_MOTION);
-
- for (i = 0; i < solo_dev->nr_chans; i++)
- solo_enc_free(solo_dev->v4l2_enc[i]);
-}