diff options
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-driver.h | 26 | ||||
-rw-r--r-- | drivers/media/video/ivtv/ivtv-fileops.c | 11 | ||||
-rw-r--r-- | drivers/media/video/ivtv/ivtv-irq.c | 10 | ||||
-rw-r--r-- | drivers/media/video/ivtv/ivtv-vbi.c | 239 | ||||
-rw-r--r-- | drivers/media/video/ivtv/ivtv-vbi.h | 4 | ||||
-rw-r--r-- | drivers/media/video/saa7127.c | 10 |
6 files changed, 113 insertions, 187 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h index 41f753c125da..748ef66bd945 100644 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ b/drivers/media/video/ivtv/ivtv-driver.h @@ -489,6 +489,15 @@ struct yuv_playback_info #define IVTV_VBI_FRAMES 32 /* VBI data */ +struct vbi_cc { + u8 odd[2]; /* two-byte payload of odd field */ + u8 even[2]; /* two-byte payload of even field */; +}; + +struct vbi_vps { + u8 data[5]; /* five-byte VPS payload */ +}; + struct vbi_info { /* VBI general fixed card data */ u32 raw_decoder_line_size; /* raw VBI line size from digitizer */ @@ -502,15 +511,14 @@ struct vbi_info { u32 enc_start, enc_size; int fpi; u32 frame; - u8 cc_data_odd[256]; - u8 cc_data_even[256]; - int cc_pos; - u8 cc_no_update; - u8 vps[5]; - u8 vps_found; - int wss; - u8 wss_found; - u8 wss_no_update; + struct vbi_cc cc_payload[256]; /* Sliced VBI CC payload array. It is an array to + prevent dropping CC data if they couldn't be + processed fast enough. */ + int cc_payload_idx; /* Index in cc_payload */ + u8 cc_missing_cnt; /* Counts number of frames without CC for passthrough mode */ + int wss_payload; /* Sliced VBI WSS payload */ + u8 wss_missing_cnt; /* Counts number of frames without WSS for passthrough mode */ + struct vbi_vps vps_payload; /* Sliced VBI VPS payload */ struct v4l2_format in; /* convenience pointer to sliced struct in vbi_in union */ struct v4l2_sliced_vbi_format *sliced_in; diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index 5b5d6666fa16..da50fa4a72a5 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -563,8 +563,11 @@ ssize_t ivtv_v4l2_write(struct file *filp, const char __user *user_buf, size_t c /* This stream does not need to start any decoding */ if (s->type == IVTV_DEC_STREAM_TYPE_VOUT) { + int elems = count / sizeof(struct v4l2_sliced_vbi_data); + set_bit(IVTV_F_S_APPL_IO, &s->s_flags); - return ivtv_write_vbi(itv, user_buf, count); + ivtv_write_vbi(itv, (const struct v4l2_sliced_vbi_data *)user_buf, elems); + return elems * sizeof(struct v4l2_sliced_vbi_data); } mode = s->type == IVTV_DEC_STREAM_TYPE_MPG ? OUT_MPG : OUT_YUV; @@ -828,10 +831,10 @@ int ivtv_v4l2_close(struct inode *inode, struct file *filp) ivtv_stop_decoding(id, VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0); /* If all output streams are closed, and if the user doesn't have - IVTV_DEC_STREAM_TYPE_VOUT open, then disable VBI on TV-out. */ + IVTV_DEC_STREAM_TYPE_VOUT open, then disable CC on TV-out. */ if (itv->output_mode == OUT_NONE && !test_bit(IVTV_F_S_APPL_IO, &s_vout->s_flags)) { - /* disable VBI on TV-out */ - ivtv_disable_vbi(itv); + /* disable CC on TV-out */ + ivtv_disable_cc(itv); } } else { ivtv_stop_capture(id, 0); diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 66d0da22389f..bf7d99c6ffaf 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -786,7 +786,10 @@ static void ivtv_irq_vsync(struct ivtv *itv) wake_up(&s->waitq); /* Send VBI to saa7127 */ - if (frame) { + if (frame && (itv->output_mode == OUT_PASSTHROUGH || + test_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags) || + test_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags) || + test_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags))) { set_bit(IVTV_F_I_WORK_HANDLER_VBI, &itv->i_flags); set_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags); } @@ -809,7 +812,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) } } -#define IVTV_IRQ_DMA (IVTV_IRQ_DMA_READ | IVTV_IRQ_ENC_DMA_COMPLETE | IVTV_IRQ_DMA_ERR | IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_VBI_CAP | IVTV_IRQ_DEC_DATA_REQ) +#define IVTV_IRQ_DMA (IVTV_IRQ_DMA_READ | IVTV_IRQ_ENC_DMA_COMPLETE | IVTV_IRQ_DMA_ERR | IVTV_IRQ_ENC_START_CAP | IVTV_IRQ_ENC_VBI_CAP | IVTV_IRQ_DEC_DATA_REQ | IVTV_IRQ_DEC_VBI_RE_INSERT) irqreturn_t ivtv_irq_handler(int irq, void *dev_id) { @@ -942,8 +945,9 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id) } } - if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags)) + if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags)) { queue_work(itv->irq_work_queues, &itv->irq_work_queue); + } spin_unlock(&itv->dma_reg_lock); diff --git a/drivers/media/video/ivtv/ivtv-vbi.c b/drivers/media/video/ivtv/ivtv-vbi.c index 5d8a40f3d2b6..c151bcf5519a 100644 --- a/drivers/media/video/ivtv/ivtv-vbi.c +++ b/drivers/media/video/ivtv/ivtv-vbi.c @@ -23,8 +23,7 @@ #include "ivtv-queue.h" #include "ivtv-vbi.h" -static void ivtv_set_vps(struct ivtv *itv, int enabled, u8 vps1, u8 vps2, u8 vps3, - u8 vps4, u8 vps5) +static void ivtv_set_vps(struct ivtv *itv, int enabled) { struct v4l2_sliced_vbi_data data; @@ -33,15 +32,15 @@ static void ivtv_set_vps(struct ivtv *itv, int enabled, u8 vps1, u8 vps2, u8 vps data.id = V4L2_SLICED_VPS; data.field = 0; data.line = enabled ? 16 : 0; - data.data[4] = vps1; - data.data[10] = vps2; - data.data[11] = vps3; - data.data[12] = vps4; - data.data[13] = vps5; + data.data[2] = itv->vbi.vps_payload.data[0]; + data.data[8] = itv->vbi.vps_payload.data[1]; + data.data[9] = itv->vbi.vps_payload.data[2]; + data.data[10] = itv->vbi.vps_payload.data[3]; + data.data[11] = itv->vbi.vps_payload.data[4]; ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); } -static void ivtv_set_cc(struct ivtv *itv, int mode, u8 cc1, u8 cc2, u8 cc3, u8 cc4) +static void ivtv_set_cc(struct ivtv *itv, int mode, const struct vbi_cc *cc) { struct v4l2_sliced_vbi_data data; @@ -50,13 +49,13 @@ static void ivtv_set_cc(struct ivtv *itv, int mode, u8 cc1, u8 cc2, u8 cc3, u8 c data.id = V4L2_SLICED_CAPTION_525; data.field = 0; data.line = (mode & 1) ? 21 : 0; - data.data[0] = cc1; - data.data[1] = cc2; + data.data[0] = cc->odd[0]; + data.data[1] = cc->odd[1]; ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); data.field = 1; data.line = (mode & 2) ? 21 : 0; - data.data[0] = cc3; - data.data[1] = cc4; + data.data[0] = cc->even[0]; + data.data[1] = cc->even[1]; ivtv_saa7127(itv, VIDIOC_INT_S_VBI_DATA, &data); } @@ -92,62 +91,50 @@ static int odd_parity(u8 c) return c & 1; } -static void passthrough_vbi_data(struct ivtv *itv, int cnt) +void ivtv_write_vbi(struct ivtv *itv, const struct v4l2_sliced_vbi_data *sliced, size_t cnt) { - int wss = 0; - u8 cc[4] = { 0x80, 0x80, 0x80, 0x80 }; - u8 vps[13]; + struct vbi_info *vi = &itv->vbi; + struct vbi_cc cc = { .odd = { 0x80, 0x80 }, .even = { 0x80, 0x80 } }; int found_cc = 0; - int found_wss = 0; - int found_vps = 0; - int cc_pos = itv->vbi.cc_pos; - int i; + size_t i; for (i = 0; i < cnt; i++) { - struct v4l2_sliced_vbi_data *d = itv->vbi.sliced_dec_data + i; + const struct v4l2_sliced_vbi_data *d = sliced + i; if (d->id == V4L2_SLICED_CAPTION_525 && d->line == 21) { - found_cc = 1; if (d->field) { - cc[2] = d->data[0]; - cc[3] = d->data[1]; + cc.even[0] = d->data[0]; + cc.even[1] = d->data[1]; } else { - cc[0] = d->data[0]; - cc[1] = d->data[1]; + cc.odd[0] = d->data[0]; + cc.odd[1] = d->data[1]; } + found_cc = 1; } else if (d->id == V4L2_SLICED_VPS && d->line == 16 && d->field == 0) { - memcpy(vps, d->data, sizeof(vps)); - found_vps = 1; + struct vbi_vps vps; + + vps.data[0] = d->data[2]; + vps.data[1] = d->data[8]; + vps.data[2] = d->data[9]; + vps.data[3] = d->data[10]; + vps.data[4] = d->data[11]; + if (memcmp(&vps, &vi->vps_payload, sizeof(vps))) { + vi->vps_payload = vps; + set_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags); + } } else if (d->id == V4L2_SLICED_WSS_625 && d->line == 23 && d->field == 0) { - wss = d->data[0] | d->data[1] << 8; - found_wss = 1; - } - } + int wss = d->data[0] | d->data[1] << 8; - if (itv->vbi.wss_found != found_wss || itv->vbi.wss != wss) { - itv->vbi.wss = wss; - itv->vbi.wss_found = found_wss; - set_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags); - } - - if (found_vps || itv->vbi.vps_found) { - itv->vbi.vps[0] = vps[2]; - itv->vbi.vps[1] = vps[8]; - itv->vbi.vps[2] = vps[9]; - itv->vbi.vps[3] = vps[10]; - itv->vbi.vps[4] = vps[11]; - itv->vbi.vps_found = found_vps; - set_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags); + if (vi->wss_payload != wss) { + vi->wss_payload = wss; + set_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags); + } + } } - - if (found_cc && cc_pos < sizeof(itv->vbi.cc_data_even)) { - itv->vbi.cc_data_odd[cc_pos] = cc[0]; - itv->vbi.cc_data_odd[cc_pos + 1] = cc[1]; - itv->vbi.cc_data_even[cc_pos] = cc[2]; - itv->vbi.cc_data_even[cc_pos + 1] = cc[3]; - itv->vbi.cc_pos = cc_pos + 2; + if (found_cc && vi->cc_payload_idx < sizeof(vi->cc_payload)) { + vi->cc_payload[vi->cc_payload_idx++] = cc; set_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags); } } @@ -271,69 +258,6 @@ static int ivtv_convert_ivtv_vbi(struct ivtv *itv, u8 *p) return line * sizeof(itv->vbi.sliced_dec_data[0]); } -ssize_t ivtv_write_vbi(struct ivtv *itv, const char __user *ubuf, size_t count) -{ - /* Should be a __user pointer, but sparse doesn't parse this bit correctly. */ - const struct v4l2_sliced_vbi_data *p = (const struct v4l2_sliced_vbi_data *)ubuf; - u8 cc[4] = { 0x80, 0x80, 0x80, 0x80 }; - int found_cc = 0; - int cc_pos = itv->vbi.cc_pos; - - while (count >= sizeof(struct v4l2_sliced_vbi_data)) { - switch (p->id) { - case V4L2_SLICED_CAPTION_525: - if (p->line == 21) { - found_cc = 1; - if (p->field) { - cc[2] = p->data[0]; - cc[3] = p->data[1]; - } else { - cc[0] = p->data[0]; - cc[1] = p->data[1]; - } - } - break; - - case V4L2_SLICED_VPS: - if (p->line == 16 && p->field == 0) { - itv->vbi.vps[0] = p->data[2]; - itv->vbi.vps[1] = p->data[8]; - itv->vbi.vps[2] = p->data[9]; - itv->vbi.vps[3] = p->data[10]; - itv->vbi.vps[4] = p->data[11]; - itv->vbi.vps_found = 1; - set_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags); - } - break; - - case V4L2_SLICED_WSS_625: - if (p->line == 23 && p->field == 0) { - /* No lock needed for WSS */ - itv->vbi.wss = p->data[0] | (p->data[1] << 8); - itv->vbi.wss_found = 1; - set_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags); - } - break; - - default: - break; - } - count -= sizeof(*p); - p++; - } - - if (found_cc && cc_pos < sizeof(itv->vbi.cc_data_even)) { - itv->vbi.cc_data_odd[cc_pos] = cc[0]; - itv->vbi.cc_data_odd[cc_pos + 1] = cc[1]; - itv->vbi.cc_data_even[cc_pos] = cc[2]; - itv->vbi.cc_data_even[cc_pos + 1] = cc[3]; - itv->vbi.cc_pos = cc_pos + 2; - set_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags); - } - - return (const char __user *)p - ubuf; -} - /* Compress raw VBI format, removes leading SAV codes and surplus space after the field. Returns new compressed size. */ @@ -482,108 +406,95 @@ void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf, memcpy(buf->buf, itv->vbi.sliced_dec_data, cnt); buf->bytesused = cnt; - passthrough_vbi_data(itv, cnt / sizeof(itv->vbi.sliced_dec_data[0])); + ivtv_write_vbi(itv, itv->vbi.sliced_dec_data, + cnt / sizeof(itv->vbi.sliced_dec_data[0])); return; } } -void ivtv_disable_vbi(struct ivtv *itv) +void ivtv_disable_cc(struct ivtv *itv) { - clear_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags); - clear_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags); + struct vbi_cc cc = { .odd = { 0x80, 0x80 }, .even = { 0x80, 0x80 } }; + clear_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags); - ivtv_set_wss(itv, 0, 0); - ivtv_set_cc(itv, 0, 0, 0, 0, 0); - ivtv_set_vps(itv, 0, 0, 0, 0, 0, 0); - itv->vbi.vps_found = itv->vbi.wss_found = 0; - itv->vbi.wss = 0; - itv->vbi.cc_pos = 0; + ivtv_set_cc(itv, 0, &cc); + itv->vbi.cc_payload_idx = 0; } void ivtv_vbi_work_handler(struct ivtv *itv) { + struct vbi_info *vi = &itv->vbi; struct v4l2_sliced_vbi_data data; + struct vbi_cc cc = { .odd = { 0x80, 0x80 }, .even = { 0x80, 0x80 } }; /* Lock */ if (itv->output_mode == OUT_PASSTHROUGH) { - /* Note: currently only the saa7115 is used in a PVR350, - so these commands are for now saa7115 specific. */ if (itv->is_50hz) { data.id = V4L2_SLICED_WSS_625; data.field = 0; if (itv->video_dec_func(itv, VIDIOC_INT_G_VBI_DATA, &data) == 0) { ivtv_set_wss(itv, 1, data.data[0] & 0xf); - itv->vbi.wss_no_update = 0; - } else if (itv->vbi.wss_no_update == 4) { + vi->wss_missing_cnt = 0; + } else if (vi->wss_missing_cnt == 4) { ivtv_set_wss(itv, 1, 0x8); /* 4x3 full format */ } else { - itv->vbi.wss_no_update++; + vi->wss_missing_cnt++; } } else { - u8 c1 = 0, c2 = 0, c3 = 0, c4 = 0; int mode = 0; data.id = V4L2_SLICED_CAPTION_525; data.field = 0; if (itv->video_dec_func(itv, VIDIOC_INT_G_VBI_DATA, &data) == 0) { mode |= 1; - c1 = data.data[0]; - c2 = data.data[1]; + cc.odd[0] = data.data[0]; + cc.odd[1] = data.data[1]; } data.field = 1; if (itv->video_dec_func(itv, VIDIOC_INT_G_VBI_DATA, &data) == 0) { mode |= 2; - c3 = data.data[0]; - c4 = data.data[1]; + cc.even[0] = data.data[0]; + cc.even[1] = data.data[1]; } if (mode) { - itv->vbi.cc_no_update = 0; - ivtv_set_cc(itv, mode, c1, c2, c3, c4); - } else if (itv->vbi.cc_no_update == 4) { - ivtv_set_cc(itv, 0, 0, 0, 0, 0); + vi->cc_missing_cnt = 0; + ivtv_set_cc(itv, mode, &cc); + } else if (vi->cc_missing_cnt == 4) { + ivtv_set_cc(itv, 0, &cc); } else { - itv->vbi.cc_no_update++; + vi->cc_missing_cnt++; } } return; } if (test_and_clear_bit(IVTV_F_I_UPDATE_WSS, &itv->i_flags)) { - /* Lock */ - ivtv_set_wss(itv, itv->vbi.wss_found, itv->vbi.wss & 0xf); + ivtv_set_wss(itv, 1, vi->wss_payload & 0xf); } - if (test_and_clear_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags)) { - if (itv->vbi.cc_pos == 0) { - ivtv_set_cc(itv, 3, 0x80, 0x80, 0x80, 0x80); + if (test_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags)) { + if (vi->cc_payload_idx == 0) { + clear_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags); + ivtv_set_cc(itv, 3, &cc); } - while (itv->vbi.cc_pos) { - u8 cc_odd0 = itv->vbi.cc_data_odd[0]; - u8 cc_odd1 = itv->vbi.cc_data_odd[1]; - u8 cc_even0 = itv->vbi.cc_data_even[0]; - u8 cc_even1 = itv->vbi.cc_data_even[1]; - - memcpy(itv->vbi.cc_data_odd, itv->vbi.cc_data_odd + 2, sizeof(itv->vbi.cc_data_odd) - 2); - memcpy(itv->vbi.cc_data_even, itv->vbi.cc_data_even + 2, sizeof(itv->vbi.cc_data_even) - 2); - itv->vbi.cc_pos -= 2; - if (itv->vbi.cc_pos && cc_odd0 == 0x80 && cc_odd1 == 0x80) + while (vi->cc_payload_idx) { + cc = vi->cc_payload[0]; + + memcpy(vi->cc_payload, vi->cc_payload + 1, + sizeof(vi->cc_payload) - sizeof(vi->cc_payload[0])); + vi->cc_payload_idx--; + if (vi->cc_payload_idx && cc.odd[0] == 0x80 && cc.odd[1] == 0x80) continue; - /* Send to Saa7127 */ - ivtv_set_cc(itv, 3, cc_odd0, cc_odd1, cc_even0, cc_even1); - if (itv->vbi.cc_pos == 0) - set_bit(IVTV_F_I_UPDATE_CC, &itv->i_flags); + ivtv_set_cc(itv, 3, &cc); break; } } if (test_and_clear_bit(IVTV_F_I_UPDATE_VPS, &itv->i_flags)) { - /* Lock */ - ivtv_set_vps(itv, itv->vbi.vps_found, - itv->vbi.vps[0], itv->vbi.vps[1], - itv->vbi.vps[2], itv->vbi.vps[3], itv->vbi.vps[4]); + ivtv_set_vps(itv, 1); } } diff --git a/drivers/media/video/ivtv/ivtv-vbi.h b/drivers/media/video/ivtv/ivtv-vbi.h index d5740493a690..970567b9194d 100644 --- a/drivers/media/video/ivtv/ivtv-vbi.h +++ b/drivers/media/video/ivtv/ivtv-vbi.h @@ -20,11 +20,11 @@ #ifndef IVTV_VBI_H #define IVTV_VBI_H -ssize_t ivtv_write_vbi(struct ivtv *itv, const char __user *ubuf, size_t count); +void ivtv_write_vbi(struct ivtv *itv, const struct v4l2_sliced_vbi_data *sliced, size_t count); void ivtv_process_vbi_data(struct ivtv *itv, struct ivtv_buffer *buf, u64 pts_stamp, int streamtype); int ivtv_used_line(struct ivtv *itv, int line, int field); -void ivtv_disable_vbi(struct ivtv *itv); +void ivtv_disable_cc(struct ivtv *itv); void ivtv_set_vbi(unsigned long arg); void ivtv_vbi_work_handler(struct ivtv *itv); diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c index 9f986930490f..e35ef321ec71 100644 --- a/drivers/media/video/saa7127.c +++ b/drivers/media/video/saa7127.c @@ -332,11 +332,11 @@ static int saa7127_set_vps(struct i2c_client *client, struct v4l2_sliced_vbi_dat if (!enable) return 0; - state->vps_data[0] = data->data[4]; - state->vps_data[1] = data->data[10]; - state->vps_data[2] = data->data[11]; - state->vps_data[3] = data->data[12]; - state->vps_data[4] = data->data[13]; + state->vps_data[0] = data->data[2]; + state->vps_data[1] = data->data[8]; + state->vps_data[2] = data->data[9]; + state->vps_data[3] = data->data[10]; + state->vps_data[4] = data->data[11]; v4l_dbg(1, debug, client, "Set VPS data %02x %02x %02x %02x %02x\n", state->vps_data[0], state->vps_data[1], state->vps_data[2], state->vps_data[3], |