/* ioctl system call Copyright (C) 2003-2004 Kevin Thayer Copyright (C) 2005-2007 Hans Verkuil 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 "ivtv-driver.h" #include "ivtv-version.h" #include "ivtv-mailbox.h" #include "ivtv-i2c.h" #include "ivtv-queue.h" #include "ivtv-fileops.h" #include "ivtv-vbi.h" #include "ivtv-routing.h" #include "ivtv-streams.h" #include "ivtv-yuv.h" #include "ivtv-ioctl.h" #include "ivtv-gpio.h" #include "ivtv-controls.h" #include "ivtv-cards.h" #include #include #include #include #include u16 ivtv_service2vbi(int type) { switch (type) { case V4L2_SLICED_TELETEXT_B: return IVTV_SLICED_TYPE_TELETEXT_B; case V4L2_SLICED_CAPTION_525: return IVTV_SLICED_TYPE_CAPTION_525; case V4L2_SLICED_WSS_625: return IVTV_SLICED_TYPE_WSS_625; case V4L2_SLICED_VPS: return IVTV_SLICED_TYPE_VPS; default: return 0; } } static int valid_service_line(int field, int line, int is_pal) { return (is_pal && line >= 6 && (line != 23 || field == 0)) || (!is_pal && line >= 10 && line < 22); } static u16 select_service_from_set(int field, int line, u16 set, int is_pal) { u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); int i; set = set & valid_set; if (set == 0 || !valid_service_line(field, line, is_pal)) { return 0; } if (!is_pal) { if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) return V4L2_SLICED_CAPTION_525; } else { if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) return V4L2_SLICED_VPS; if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) return V4L2_SLICED_WSS_625; if (line == 23) return 0; } for (i = 0; i < 32; i++) { if ((1 << i) & set) return 1 << i; } return 0; } void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { u16 set = fmt->service_set; int f, l; fmt->service_set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); } } } static void check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { int f, l; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); } } } u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt) { int f, l; u16 set = 0; for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { set |= fmt->service_lines[f][l]; } } return set; } void ivtv_set_osd_alpha(struct ivtv *itv) { ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3, itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state); ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_chroma_key_state, itv->osd_chroma_key); } int ivtv_set_speed(struct ivtv *itv, int speed) { u32 data[CX2341X_MBOX_MAX_DATA]; struct ivtv_stream *s; int single_step = (speed == 1 || speed == -1); DEFINE_WAIT(wait); if (speed == 0) speed = 1000; /* No change? */ if (speed == itv->speed && !single_step) return 0; s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG]; if (single_step && (speed < 0) == (itv->speed < 0)) { /* Single step video and no need to change direction */ ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0); itv->speed = speed; return 0; } if (single_step) /* Need to change direction */ speed = speed < 0 ? -1000 : 1000; data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0; data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0; data[1] = (speed < 0); data[2] = speed < 0 ? 3 : 7; data[3] = itv->params.video_b_frames; data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0; data[5] = 0; data[6] = 0; if (speed == 1500 || speed == -1500) data[0] |= 1; else if (speed == 2000 || speed == -2000) data[0] |= 2; else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed); else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed); /* If not decoding, just change speed setting */ if (atomic_read(&itv->decoding) > 0) { int got_sig = 0; /* Stop all DMA and decoding activity */ ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0); /* Wait for any DMA to finish */ prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE); while (itv->i_flags & IVTV_F_I_DMA) { got_sig = signal_pending(current); if (got_sig) break; got_sig = 0; schedule(); } finish_wait(&itv->dma_waitq, &wait); if (got_sig) return -EINTR; /* Change Speed safely */ ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data); IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", data[0], data[1], data[2], data[3], data[4], data[5], data[6]); } if (single_step) { speed = (speed < 0) ? -1 : 1; ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0); } itv->speed = speed; return 0; } static int ivtv_validate_speed(int cur_speed, int new_speed) { int fact = new_speed < 0 ? -1 : 1; int s; if (cur_speed == 0) cur_speed = 1000; if (new_speed < 0) new_speed = -new_speed; if (cur_speed < 0) cur_speed = -cur_speed; if (cur_speed <= new_speed) { if (new_speed > 1500) return fact * 2000; if (new_speed > 1000) return fact * 1500; } else { if (new_speed >= 2000) return fact * 2000; if (new_speed >= 1500) return fact * 1500; if (new_speed >= 1000) return fact * 1000; } if (new_speed == 0) return 1000; if (new_speed == 1 || new_speed == 1000) return fact * new_speed; s = new_speed; new_speed = 1000 / new_speed; if (1000 / cur_speed == new_speed) new_speed += (cur_speed < s) ? -1 : 1; if (new_speed > 60) return 1000 / (fact * 60); return 1000 / (fact * new_speed); } static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id, struct video_command *vc, int try) { struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG]; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; switch (vc->cmd) { case VIDEO_CMD_PLAY: { vc->flags = 0; vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed); if (vc->play.speed < 0) vc->play.format = VIDEO_PLAY_FMT_GOP; if (try) break; if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG) return -EBUSY; if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) { /* forces ivtv_set_speed to be called */ itv->speed = 0; } return ivtv_start_decoding(id, vc->play.speed); } case VIDEO_CMD_STOP: vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK; if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY) vc->stop.pts = 0; if (try) break; if (atomic_read(&itv->decoding) == 0) return 0; if (itv->output_mode != OUT_MPG) return -EBUSY; itv->output_mode = OUT_NONE; return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts); case VIDEO_CMD_FREEZE: vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK; if (try) break; if (itv->output_mode != OUT_MPG) return -EBUSY; if (atomic_read(&itv->decoding) > 0) { ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0); set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags); } break; case VIDEO_CMD_CONTINUE: vc->flags = 0; if (try) break; if (itv->output_mode != OUT_MPG) return -EBUSY; if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) { int speed = itv->speed; itv->speed = 0; return ivtv_start_decoding(id, speed); } break; default: return -EINVAL; } return 0; } static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT)) return -EINVAL; vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; if (itv->is_60hz) { vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525; vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525; } else { vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625; vbifmt->service_lines[0][16] = V4L2_SLICED_VPS; } vbifmt->service_set = ivtv_get_service_set(vbifmt); return 0; } static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; pixfmt->width = itv->params.width; pixfmt->height = itv->params.height; pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M; pixfmt->field = V4L2_FIELD_INTERLACED; pixfmt->priv = 0; if (id->type == IVTV_ENC_STREAM_TYPE_YUV) { pixfmt->pixelformat = V4L2_PIX_FMT_HM12; /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ pixfmt->sizeimage = pixfmt->height * pixfmt->width + pixfmt->height * (pixfmt->width / 2); pixfmt->bytesperline = 720; } else { pixfmt->pixelformat = V4L2_PIX_FMT_MPEG; pixfmt->sizeimage = 128 * 1024; pixfmt->bytesperline = 0; } return 0; } static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi; vbifmt->sampling_rate = 27000000; vbifmt->offset = 248; vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4; vbifmt->sample_format = V4L2_PIX_FMT_GREY; vbifmt->start[0] = itv->vbi.start[0]; vbifmt->start[1] = itv->vbi.start[1]; vbifmt->count[0] = vbifmt->count[1] = itv->vbi.count; vbifmt->flags = 0; vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; return 0; } static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; if (id->type == IVTV_DEC_STREAM_TYPE_VBI) { vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; ivtv_expand_service_set(vbifmt, itv->is_50hz); return 0; } itv->video_dec_func(itv, VIDIOC_G_FMT, fmt); vbifmt->service_set = ivtv_get_service_set(vbifmt); return 0; } static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; pixfmt->width = itv->main_rect.width; pixfmt->height = itv->main_rect.height; pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M; pixfmt->field = V4L2_FIELD_INTERLACED; pixfmt->priv = 0; if (id->type == IVTV_DEC_STREAM_TYPE_YUV) { switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) { case IVTV_YUV_MODE_INTERLACED: pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ? V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB; break; case IVTV_YUV_MODE_PROGRESSIVE: pixfmt->field = V4L2_FIELD_NONE; break; default: pixfmt->field = V4L2_FIELD_ANY; break; } pixfmt->pixelformat = V4L2_PIX_FMT_HM12; pixfmt->bytesperline = 720; pixfmt->width = itv->yuv_info.v4l2_src_w; pixfmt->height = itv->yuv_info.v4l2_src_h; /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ pixfmt->sizeimage = 1080 * ((pixfmt->height + 31) & ~31); } else { pixfmt->pixelformat = V4L2_PIX_FMT_MPEG; pixfmt->sizeimage = 128 * 1024; pixfmt->bytesperline = 0; } return 0; } static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_window *winfmt = &fmt->fmt.win; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; winfmt->chromakey = itv->osd_chroma_key; winfmt->global_alpha = itv->osd_global_alpha; winfmt->field = V4L2_FIELD_INTERLACED; winfmt->clips = NULL; winfmt->clipcount = 0; winfmt->bitmap = NULL; winfmt->w.top = winfmt->w.left = 0; winfmt->w.width = itv->osd_rect.width; winfmt->w.height = itv->osd_rect.height; return 0; } static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt) { return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt); } static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; w = min(w, 720); w = max(w, 2); h = min(h, itv->is_50hz ? 576 : 480); h = max(h, 2); ivtv_g_fmt_vid_cap(file, fh, fmt); fmt->fmt.pix.width = w; fmt->fmt.pix.height = h; return 0; } static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { return ivtv_g_fmt_vbi_cap(file, fh, fmt); } static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; if (id->type == IVTV_DEC_STREAM_TYPE_VBI) return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt); /* set sliced VBI capture format */ vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; if (vbifmt->service_set) ivtv_expand_service_set(vbifmt, itv->is_50hz); check_service_set(vbifmt, itv->is_50hz); vbifmt->service_set = ivtv_get_service_set(vbifmt); return 0; } static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; s32 w = fmt->fmt.pix.width; s32 h = fmt->fmt.pix.height; int field = fmt->fmt.pix.field; int ret = ivtv_g_fmt_vid_out(file, fh, fmt); w = min(w, 720); w = max(w, 2); h = min(h, itv->is_out_50hz ? 576 : 480); h = max(h, 2); if (id->type == IVTV_DEC_STREAM_TYPE_YUV) fmt->fmt.pix.field = field; fmt->fmt.pix.width = w; fmt->fmt.pix.height = h; return ret; } static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; u32 chromakey = fmt->fmt.win.chromakey; u8 global_alpha = fmt->fmt.win.global_alpha; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; ivtv_g_fmt_vid_out_overlay(file, fh, fmt); fmt->fmt.win.chromakey = chromakey; fmt->fmt.win.global_alpha = global_alpha; return 0; } static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt) { return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt); } static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct cx2341x_mpeg_params *p = &itv->params; int ret = ivtv_try_fmt_vid_cap(file, fh, fmt); int w = fmt->fmt.pix.width; int h = fmt->fmt.pix.height; if (ret) return ret; if (p->width == w && p->height == h) return 0; if (atomic_read(&itv->capturing) > 0) return -EBUSY; p->width = w; p->height = h; if (p->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1) fmt->fmt.pix.width /= 2; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); return ivtv_g_fmt_vid_cap(file, fh, fmt); } static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (!ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0) return -EBUSY; itv->vbi.sliced_in->service_set = 0; itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); return ivtv_g_fmt_vbi_cap(file, fh, fmt); } static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt); if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI) return ret; check_service_set(vbifmt, itv->is_50hz); if (ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0) return -EBUSY; itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; itv->video_dec_func(itv, VIDIOC_S_FMT, fmt); memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in)); return 0; } static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct yuv_playback_info *yi = &itv->yuv_info; int ret = ivtv_try_fmt_vid_out(file, fh, fmt); if (ret) return ret; if (id->type != IVTV_DEC_STREAM_TYPE_YUV) return 0; /* Return now if we already have some frame data */ if (yi->stream_size) return -EBUSY; yi->v4l2_src_w = fmt->fmt.pix.width; yi->v4l2_src_h = fmt->fmt.pix.height; switch (fmt->fmt.pix.field) { case V4L2_FIELD_NONE: yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE; break; case V4L2_FIELD_ANY: yi->lace_mode = IVTV_YUV_MODE_AUTO; break; case V4L2_FIELD_INTERLACED_BT: yi->lace_mode = IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD; break; case V4L2_FIELD_INTERLACED_TB: default: yi->lace_mode = IVTV_YUV_MODE_INTERLACED; break; } yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1; if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags)) itv->dma_data_req_size = 1080 * ((yi->v4l2_src_h + 31) & ~31); /* Force update of yuv registers */ yi->yuv_forced_update = 1; return 0; } static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt); if (ret == 0) { itv->osd_chroma_key = fmt->fmt.win.chromakey; itv->osd_global_alpha = fmt->fmt.win.global_alpha; ivtv_set_osd_alpha(itv); } return ret; } static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_chip_ident *chip) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; chip->ident = V4L2_IDENT_NONE; chip->revision = 0; if (chip->match_type == V4L2_CHIP_MATCH_HOST) { if (v4l2_chip_match_host(chip->match_type, chip->match_chip)) chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416; return 0; } if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return ivtv_i2c_id(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip); if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR) return ivtv_call_i2c_client(itv, chip->match_chip, VIDIOC_G_CHIP_IDENT, chip); return -EINVAL; } #ifdef CONFIG_VIDEO_ADV_DEBUG static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg) { struct v4l2_register *regs = arg; unsigned long flags; volatile u8 __iomem *reg_start; if (!capable(CAP_SYS_ADMIN)) return -EPERM; if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE) reg_start = itv->reg_mem - IVTV_REG_OFFSET; else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET && regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE) reg_start = itv->dec_mem - IVTV_DECODER_OFFSET; else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE) reg_start = itv->enc_mem; else return -EINVAL; spin_lock_irqsave(&ivtv_cards_lock, flags); if (cmd == VIDIOC_DBG_G_REGISTER) regs->val = readl(regs->reg + reg_start); else writel(regs->val, regs->reg + reg_start); spin_unlock_irqrestore(&ivtv_cards_lock, flags); return 0; } static int ivtv_g_register(struct file *file, void *fh, struct v4l2_register *reg) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg); if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg); return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_G_REGISTER, reg); } static int ivtv_s_register(struct file *file, void *fh, struct v4l2_register *reg) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg); if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) return ivtv_i2c_id(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg); return ivtv_call_i2c_client(itv, reg->match_chip, VIDIOC_DBG_S_REGISTER, reg); } #endif static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; *p = v4l2_prio_max(&itv->prio); return 0; } static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; return v4l2_prio_change(&itv->prio, &id->prio, prio); } static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, itv->card_name, sizeof(vcap->card)); snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->dev)); vcap->version = IVTV_DRIVER_VERSION; /* version */ vcap->capabilities = itv->v4l2_cap; /* capabilities */ return 0; } static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; return ivtv_get_audio_input(itv, vin->index, vin); } static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; vin->index = itv->audio_input; return ivtv_get_audio_input(itv, vin->index, vin); } static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (vout->index >= itv->nof_audio_inputs) return -EINVAL; itv->audio_input = vout->index; ivtv_audio_set_io(itv); return 0; } static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; /* set it to defaults from our table */ return ivtv_get_audio_output(itv, vin->index, vin); } static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; vin->index = 0; return ivtv_get_audio_output(itv, vin->index, vin); } static int ivtv_s_audout(struct file *file, void *fh, struct v4l2_audioout *vout) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; return ivtv_get_audio_output(itv, vout->index, vout); } static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; /* set it to defaults from our table */ return ivtv_get_input(itv, vin->index, vin); } static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; return ivtv_get_output(itv, vout->index, vout); } static int ivtv_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct yuv_playback_info *yi = &itv->yuv_info; int streamtype; streamtype = id->type; if (cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; cropcap->bounds.top = cropcap->bounds.left = 0; cropcap->bounds.width = 720; if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { cropcap->bounds.height = itv->is_50hz ? 576 : 480; cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10; cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11; } else if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) { if (yi->track_osd) { cropcap->bounds.width = yi->osd_full_w; cropcap->bounds.height = yi->osd_full_h; } else { cropcap->bounds.width = 720; cropcap->bounds.height = itv->is_out_50hz ? 576 : 480; } cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10; cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11; } else { cropcap->bounds.height = itv->is_out_50hz ? 576 : 480; cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10; cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11; } cropcap->defrect = cropcap->bounds; return 0; } static int ivtv_s_crop(struct file *file, void *fh, struct v4l2_crop *crop) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct yuv_playback_info *yi = &itv->yuv_info; int streamtype; streamtype = id->type; if (ivtv_debug & IVTV_DBGFLG_IOCTL) { printk(KERN_INFO "ivtv%d ioctl: ", itv->num); /* Should be replaced */ /* v4l_printk_ioctl(VIDIOC_S_CROP); */ } if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) { if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) { yi->main_rect = crop->c; return 0; } else { if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4, crop->c.width, crop->c.height, crop->c.left, crop->c.top)) { itv->main_rect = crop->c; return 0; } } return -EINVAL; } return -EINVAL; } static int ivtv_g_crop(struct file *file, void *fh, struct v4l2_crop *crop) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct yuv_playback_info *yi = &itv->yuv_info; int streamtype; streamtype = id->type; if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) { if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) crop->c = yi->main_rect; else crop->c = itv->main_rect; return 0; } return -EINVAL; } static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt) { static struct v4l2_fmtdesc formats[] = { { 0, 0, 0, "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 } }, { 1, 0, V4L2_FMT_FLAG_COMPRESSED, "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 } } }; enum v4l2_buf_type type = fmt->type; if (fmt->index > 1) return -EINVAL; *fmt = formats[fmt->index]; fmt->type = type; return 0; } static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; static struct v4l2_fmtdesc formats[] = { { 0, 0, 0, "HM12 (YUV 4:2:0)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 } }, { 1, 0, V4L2_FMT_FLAG_COMPRESSED, "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 } } }; enum v4l2_buf_type type = fmt->type; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; if (fmt->index > 1) return -EINVAL; *fmt = formats[fmt->index]; fmt->type = type; return 0; } static int ivtv_g_input(struct file *file, void *fh, unsigned int *i) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; *i = itv->active_input; return 0; } int ivtv_s_input(struct file *file, void *fh, unsigned int inp) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (inp < 0 || inp >= itv->nof_inputs) return -EINVAL; if (inp == itv->active_input) { IVTV_DEBUG_INFO("Input unchanged\n"); return 0; } if (atomic_read(&itv->capturing) > 0) { return -EBUSY; } IVTV_DEBUG_INFO("Changing input from %d to %d\n", itv->active_input, inp); itv->active_input = inp; /* Set the audio input to whatever is appropriate for the input type. */ itv->audio_input = itv->card->video_inputs[inp].audio_index; /* prevent others from messing with the streams until we're finished changing inputs. */ ivtv_mute(itv); ivtv_video_set_io(itv); ivtv_audio_set_io(itv); ivtv_unmute(itv); return 0; } static int ivtv_g_output(struct file *file, void *fh, unsigned int *i) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; *i = itv->active_output; return 0; } static int ivtv_s_output(struct file *file, void *fh, unsigned int outp) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_routing route; if (outp >= itv->card->nof_outputs) return -EINVAL; if (outp == itv->active_output) { IVTV_DEBUG_INFO("Output unchanged\n"); return 0; } IVTV_DEBUG_INFO("Changing output from %d to %d\n", itv->active_output, outp); itv->active_output = outp; route.input = SAA7127_INPUT_TYPE_NORMAL; route.output = itv->card->video_outputs[outp].video_output; ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route); return 0; } static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (vf->tuner != 0) return -EINVAL; ivtv_call_i2c_clients(itv, VIDIOC_G_FREQUENCY, vf); return 0; } int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (vf->tuner != 0) return -EINVAL; ivtv_mute(itv); IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency); ivtv_call_i2c_clients(itv, VIDIOC_S_FREQUENCY, vf); ivtv_unmute(itv); return 0; } static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; *std = itv->std; return 0; } int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct yuv_playback_info *yi = &itv->yuv_info; if ((*std & V4L2_STD_ALL) == 0) return -EINVAL; if (*std == itv->std) return 0; if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) || atomic_read(&itv->capturing) > 0 || atomic_read(&itv->decoding) > 0) { /* Switching standard would turn off the radio or mess with already running streams, prevent that by returning EBUSY. */ return -EBUSY; } itv->std = *std; itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; itv->params.is_50hz = itv->is_50hz = !itv->is_60hz; itv->params.width = 720; itv->params.height = itv->is_50hz ? 576 : 480; itv->vbi.count = itv->is_50hz ? 18 : 12; itv->vbi.start[0] = itv->is_50hz ? 6 : 10; itv->vbi.start[1] = itv->is_50hz ? 318 : 273; if (itv->hw_flags & IVTV_HW_CX25840) itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284; IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std); /* Tuner */ ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std); if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) { /* set display standard */ itv->std_out = *std; itv->is_out_60hz = itv->is_60hz; itv->is_out_50hz = itv->is_50hz; ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out); ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz); itv->main_rect.left = itv->main_rect.top = 0; itv->main_rect.width = 720; itv->main_rect.height = itv->params.height; ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4, 720, itv->main_rect.height, 0, 0); yi->main_rect = itv->main_rect; if (!itv->osd_info) { yi->osd_full_w = 720; yi->osd_full_h = itv->is_out_50hz ? 576 : 480; } } return 0; } static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; if (vt->index != 0) return -EINVAL; ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt); return 0; } static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; if (vt->index != 0) return -EINVAL; ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt); if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) { strlcpy(vt->name, "ivtv Radio Tuner", sizeof(vt->name)); vt->type = V4L2_TUNER_RADIO; } else { strlcpy(vt->name, "ivtv TV Tuner", sizeof(vt->name)); vt->type = V4L2_TUNER_ANALOG_TV; } return 0; } static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; int f, l; if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { for (f = 0; f < 2; f++) { for (l = 0; l < 24; l++) { if (valid_service_line(f, l, itv->is_50hz)) cap->service_lines[f][l] = set; } } return 0; } if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT)) return -EINVAL; if (itv->is_60hz) { cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525; cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525; } else { cap->service_lines[0][23] = V4L2_SLICED_WSS_625; cap->service_lines[0][16] = V4L2_SLICED_VPS; } return 0; } return -EINVAL; } static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_enc_idx_entry *e = idx->entry; int entries; int i; entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) % IVTV_MAX_PGM_INDEX; if (entries > V4L2_ENC_IDX_ENTRIES) entries = V4L2_ENC_IDX_ENTRIES; idx->entries = 0; for (i = 0; i < entries; i++) { *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX]; if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) { idx->entries++; e++; } } itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX; return 0; } static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; switch (enc->cmd) { case V4L2_ENC_CMD_START: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n"); enc->flags = 0; return ivtv_start_capture(id); case V4L2_ENC_CMD_STOP: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n"); enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); return 0; case V4L2_ENC_CMD_PAUSE: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n"); enc->flags = 0; if (!atomic_read(&itv->capturing)) return -EPERM; if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags)) return 0; ivtv_mute(itv); ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0); break; case V4L2_ENC_CMD_RESUME: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n"); enc->flags = 0; if (!atomic_read(&itv->capturing)) return -EPERM; if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags)) return 0; ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1); ivtv_unmute(itv); break; default: IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd); return -EINVAL; } return 0; } static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; switch (enc->cmd) { case V4L2_ENC_CMD_START: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n"); enc->flags = 0; return 0; case V4L2_ENC_CMD_STOP: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n"); enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; return 0; case V4L2_ENC_CMD_PAUSE: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n"); enc->flags = 0; return 0; case V4L2_ENC_CMD_RESUME: IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n"); enc->flags = 0; return 0; default: IVTV_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd); return -EINVAL; } } static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; u32 data[CX2341X_MBOX_MAX_DATA]; struct yuv_playback_info *yi = &itv->yuv_info; int pixfmt; static u32 pixel_format[16] = { V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */ V4L2_PIX_FMT_RGB565, V4L2_PIX_FMT_RGB555, V4L2_PIX_FMT_RGB444, V4L2_PIX_FMT_RGB32, 0, 0, 0, V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */ V4L2_PIX_FMT_YUV565, V4L2_PIX_FMT_YUV555, V4L2_PIX_FMT_YUV444, V4L2_PIX_FMT_YUV32, 0, 0, 0, }; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY)) return -EINVAL; if (!itv->osd_video_pbase) return -EINVAL; fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY | V4L2_FBUF_CAP_GLOBAL_ALPHA; ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0); data[0] |= (read_reg(0x2a00) >> 7) & 0x40; pixfmt = (data[0] >> 3) & 0xf; fb->fmt.pixelformat = pixel_format[pixfmt]; fb->fmt.width = itv->osd_rect.width; fb->fmt.height = itv->osd_rect.height; fb->fmt.field = V4L2_FIELD_INTERLACED; fb->fmt.bytesperline = fb->fmt.width; fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M; fb->fmt.field = V4L2_FIELD_INTERLACED; fb->fmt.priv = 0; if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8) fb->fmt.bytesperline *= 2; if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 || fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32) fb->fmt.bytesperline *= 2; fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height; fb->base = (void *)itv->osd_video_pbase; fb->flags = 0; if (itv->osd_chroma_key_state) fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY; if (itv->osd_global_alpha_state) fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA; if (yi->track_osd) fb->flags |= V4L2_FBUF_FLAG_OVERLAY; pixfmt &= 7; /* no local alpha for RGB565 or unknown formats */ if (pixfmt == 1 || pixfmt > 4) return 0; /* 16-bit formats have inverted local alpha */ if (pixfmt == 2 || pixfmt == 3) fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA; else fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA; if (itv->osd_local_alpha_state) { /* 16-bit formats have inverted local alpha */ if (pixfmt == 2 || pixfmt == 3) fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA; else fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA; } return 0; } static int ivtv_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; struct yuv_playback_info *yi = &itv->yuv_info; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY)) return -EINVAL; if (!itv->osd_video_pbase) return -EINVAL; itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0; itv->osd_local_alpha_state = (fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0; itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0; ivtv_set_osd_alpha(itv); yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0; return ivtv_g_fbuf(file, fh, fb); } static int ivtv_overlay(struct file *file, void *fh, unsigned int on) { struct ivtv_open_id *id = fh; struct ivtv *itv = id->itv; if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY)) return -EINVAL; ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1, on != 0); return 0; } static int ivtv_log_status(struct file *file, void *fh) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; u32 data[CX2341X_MBOX_MAX_DATA]; int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT; struct v4l2_input vidin; struct v4l2_audio audin; int i; IVTV_INFO("================= START STATUS CARD #%d =================\n", itv->num); IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name); if (itv->hw_flags & IVTV_HW_TVEEPROM) { struct tveeprom tv; ivtv_read_eeprom(itv, &tv); } ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL); ivtv_get_input(itv, itv->active_input, &vidin); ivtv_get_audio_input(itv, itv->audio_input, &audin); IVTV_INFO("Video Input: %s\n", vidin.name); IVTV_INFO("Audio Input: %s%s\n", audin.name, (itv->dualwatch_stereo_mode & ~0x300) == 0x200 ? " (Bilingual)" : ""); if (has_output) { struct v4l2_output vidout; struct v4l2_audioout audout; int mode = itv->output_mode; static const char * const output_modes[5] = { "None", "MPEG Streaming", "YUV Streaming", "YUV Frames", "Passthrough", }; static const char * const audio_modes[5] = { "Stereo", "Left", "Right", "Mono", "Swapped" }; static const char * const alpha_mode[4] = { "None", "Global", "Local", "Global and Local" }; static const char * const pixel_format[16] = { "ARGB Indexed", "RGB 5:6:5", "ARGB 1:5:5:5", "ARGB 1:4:4:4", "ARGB 8:8:8:8", "5", "6", "7", "AYUV Indexed", "YUV 5:6:5", "AYUV 1:5:5:5", "AYUV 1:4:4:4", "AYUV 8:8:8:8", "13", "14", "15", }; ivtv_get_output(itv, itv->active_output, &vidout); ivtv_get_audio_output(itv, 0, &audout); IVTV_INFO("Video Output: %s\n", vidout.name); IVTV_INFO("Audio Output: %s (Stereo/Bilingual: %s/%s)\n", audout.name, audio_modes[itv->audio_stereo_mode], audio_modes[itv->audio_bilingual_mode]); if (mode < 0 || mode > OUT_PASSTHROUGH) mode = OUT_NONE; IVTV_INFO("Output Mode: %s\n", output_modes[mode]); ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0); data[0] |= (read_reg(0x2a00) >> 7) & 0x40; IVTV_INFO("Overlay: %s, Alpha: %s, Pixel Format: %s\n", data[0] & 1 ? "On" : "Off", alpha_mode[(data[0] >> 1) & 0x3], pixel_format[(data[0] >> 3) & 0xf]); } IVTV_INFO("Tuner: %s\n", test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV"); cx2341x_log_status(&itv->params, itv->name); IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags); for (i = 0; i < IVTV_MAX_STREAMS; i++) { struct ivtv_stream *s = &itv->streams[i]; if (s->v4l2dev == NULL || s->buffers == 0) continue; IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags, (s->buffers - s->q_free.buffers) * 100 / s->buffers, (s->buffers * s->buf_size) / 1024, s->buffers); } IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted); IVTV_INFO("================== END STATUS CARD #%d ==================\n", itv->num); return 0; } static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg) { struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data; struct ivtv *itv = id->itv; int nonblocking = filp->f_flags & O_NONBLOCK; struct ivtv_stream *s = &itv->streams[id->type]; switch (cmd) { case IVTV_IOC_DMA_FRAME: { struct ivtv_dma_frame *args = arg; IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n"); if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL) return 0; if (ivtv_start_decoding(id, id->type)) { return -EBUSY; } if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) { ivtv_release_stream(s); return -EBUSY; } /* Mark that this file handle started the UDMA_YUV mode */ id->yuv_frames = 1; if (args->y_source == NULL) return 0; return ivtv_yuv_prep_frame(itv, args); } case VIDEO_GET_PTS: { u32 data[CX2341X_MBOX_MAX_DATA]; u64 *pts = arg; IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n"); if (s->type < IVTV_DEC_STREAM_TYPE_MPG) { *pts = s->dma_pts; break; } if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) { *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) | (u64)itv->last_dec_timing[1]; break; } *pts = 0; if (atomic_read(&itv->decoding)) { if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) { IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n"); return -EIO; } memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing)); set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags); *pts = (u64) ((u64) data[2] << 32) | (u64) data[1]; /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/ } break; } case VIDEO_GET_FRAME_COUNT: { u32 data[CX2341X_MBOX_MAX_DATA]; u64 *frame = arg; IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n"); if (s->type < IVTV_DEC_STREAM_TYPE_MPG) { *frame = 0; break; } if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) { *frame = itv->last_dec_timing[0]; break; } *frame = 0; if (atomic_read(&itv->decoding)) { if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) { IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n"); return -EIO; } memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing)); set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags); *frame = data[0]; } break; } case VIDEO_PLAY: { struct video_command vc; IVTV_DEBUG_IOCTL("VIDEO_PLAY\n"); memset(&vc, 0, sizeof(vc)); vc.cmd = VIDEO_CMD_PLAY; return ivtv_video_command(itv, id, &vc, 0); } case VIDEO_STOP: { struct video_command vc; IVTV_DEBUG_IOCTL("VIDEO_STOP\n"); memset(&vc, 0, sizeof(vc)); vc.cmd = VIDEO_CMD_STOP; vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY; return ivtv_video_command(itv, id, &vc, 0); } case VIDEO_FREEZE: { struct video_command vc; IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n"); memset(&vc, 0, sizeof(vc)); vc.cmd = VIDEO_CMD_FREEZE; return ivtv_video_command(itv, id, &vc, 0); } case VIDEO_CONTINUE: { struct video_command vc; IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n"); memset(&vc, 0, sizeof(vc)); vc.cmd = VIDEO_CMD_CONTINUE; return ivtv_video_command(itv, id, &vc, 0); } case VIDEO_COMMAND: case VIDEO_TRY_COMMAND: { struct video_command *vc = arg; int try = (cmd == VIDEO_TRY_COMMAND); if (try) IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND %d\n", vc->cmd); else IVTV_DEBUG_IOCTL("VIDEO_COMMAND %d\n", vc->cmd); return ivtv_video_command(itv, id, vc, try); } case VIDEO_GET_EVENT: { struct video_event *ev = arg; DEFINE_WAIT(wait); IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n"); if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; memset(ev, 0, sizeof(*ev)); set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags); while (1) { if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags)) ev->type = VIDEO_EVENT_DECODER_STOPPED; else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) { ev->type = VIDEO_EVENT_VSYNC; ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ? VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN; if (itv->output_mode == OUT_UDMA_YUV && (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) == IVTV_YUV_MODE_PROGRESSIVE) { ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE; } } if (ev->type) return 0; if (nonblocking) return -EAGAIN; /* Wait for event. Note that serialize_lock is locked, so to allow other processes to access the driver while we are waiting unlock first and later lock again. */ mutex_unlock(&itv->serialize_lock); prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE); if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0) schedule(); finish_wait(&itv->event_waitq, &wait); mutex_lock(&itv->serialize_lock); if (signal_pending(current)) { /* return if a signal was received */ IVTV_DEBUG_INFO("User stopped wait for event\n"); return -EINTR; } } break; } default: return -EINVAL; } return 0; } static int ivtv_default(struct file *file, void *fh, int cmd, void *arg) { struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; switch (cmd) { case VIDIOC_INT_S_AUDIO_ROUTING: { struct v4l2_routing *route = arg; ivtv_i2c_hw(itv, itv->card->hw_audio, VIDIOC_INT_S_AUDIO_ROUTING, route); break; } case VIDIOC_INT_RESET: { u32 val = *(u32 *)arg; if ((val == 0 && itv->options.newi2c) || (val & 0x01)) ivtv_reset_ir_gpio(itv); if (val & 0x02) itv->video_dec_func(itv, cmd, NULL); break; } default: return -EINVAL; } return 0; } static int ivtv_serialized_ioctl(struct ivtv *itv, struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct video_device *vfd = video_devdata(filp); struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data; int ret; /* Filter dvb ioctls that cannot be handled by the v4l ioctl framework */ switch (cmd) { case VIDEO_SELECT_SOURCE: IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n"); if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) return -EINVAL; return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX); case AUDIO_SET_MUTE: IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n"); itv->speed_mute_audio = arg; return 0; case AUDIO_CHANNEL_SELECT: IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n"); if (arg > AUDIO_STEREO_SWAPPED) return -EINVAL; itv->audio_stereo_mode = arg; ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); return 0; case AUDIO_BILINGUAL_CHANNEL_SELECT: IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n"); if (arg > AUDIO_STEREO_SWAPPED) return -EINVAL; itv->audio_bilingual_mode = arg; ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); return 0; case IVTV_IOC_DMA_FRAME: case VIDEO_GET_PTS: case VIDEO_GET_FRAME_COUNT: case VIDEO_GET_EVENT: case VIDEO_PLAY: case VIDEO_STOP: case VIDEO_FREEZE: case VIDEO_CONTINUE: case VIDEO_COMMAND: case VIDEO_TRY_COMMAND: return ivtv_decoder_ioctls(filp, cmd, (void *)arg); default: break; } /* check priority */ switch (cmd) { case VIDIOC_S_CTRL: case VIDIOC_S_STD: case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: case VIDIOC_S_TUNER: case VIDIOC_S_FREQUENCY: case VIDIOC_S_FMT: case VIDIOC_S_CROP: case VIDIOC_S_AUDIO: case VIDIOC_S_AUDOUT: case VIDIOC_S_EXT_CTRLS: case VIDIOC_S_FBUF: case VIDIOC_OVERLAY: ret = v4l2_prio_check(&itv->prio, &id->prio); if (ret) return ret; } if (ivtv_debug & IVTV_DBGFLG_IOCTL) vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG; ret = video_ioctl2(inode, filp, cmd, arg); vfd->debug = 0; return ret; } int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) { struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data; struct ivtv *itv = id->itv; int res; mutex_lock(&itv->serialize_lock); res = ivtv_serialized_ioctl(itv, inode, filp, cmd, arg); mutex_unlock(&itv->serialize_lock); return res; } static const struct v4l2_ioctl_ops ivtv_ioctl_ops = { .vidioc_querycap = ivtv_querycap, .vidioc_g_priority = ivtv_g_priority, .vidioc_s_priority = ivtv_s_priority, .vidioc_s_audio = ivtv_s_audio, .vidioc_g_audio = ivtv_g_audio, .vidioc_enumaudio = ivtv_enumaudio, .vidioc_s_audout = ivtv_s_audout, .vidioc_g_audout = ivtv_g_audout, .vidioc_enum_input = ivtv_enum_input, .vidioc_enum_output = ivtv_enum_output, .vidioc_enumaudout = ivtv_enumaudout, .vidioc_cropcap = ivtv_cropcap, .vidioc_s_crop = ivtv_s_crop, .vidioc_g_crop = ivtv_g_crop, .vidioc_g_input = ivtv_g_input, .vidioc_s_input = ivtv_s_input, .vidioc_g_output = ivtv_g_output, .vidioc_s_output = ivtv_s_output, .vidioc_g_frequency = ivtv_g_frequency, .vidioc_s_frequency = ivtv_s_frequency, .vidioc_s_tuner = ivtv_s_tuner, .vidioc_g_tuner = ivtv_g_tuner, .vidioc_g_enc_index = ivtv_g_enc_index, .vidioc_g_fbuf = ivtv_g_fbuf, .vidioc_s_fbuf = ivtv_s_fbuf, .vidioc_g_std = ivtv_g_std, .vidioc_s_std = ivtv_s_std, .vidioc_overlay = ivtv_overlay, .vidioc_log_status = ivtv_log_status, .vidioc_enum_fmt_vid_cap = ivtv_enum_fmt_vid_cap, .vidioc_encoder_cmd = ivtv_encoder_cmd, .vidioc_try_encoder_cmd = ivtv_try_encoder_cmd, .vidioc_enum_fmt_vid_out = ivtv_enum_fmt_vid_out, .vidioc_g_fmt_vid_cap = ivtv_g_fmt_vid_cap, .vidioc_g_fmt_vbi_cap = ivtv_g_fmt_vbi_cap, .vidioc_g_fmt_sliced_vbi_cap = ivtv_g_fmt_sliced_vbi_cap, .vidioc_g_fmt_vid_out = ivtv_g_fmt_vid_out, .vidioc_g_fmt_vid_out_overlay = ivtv_g_fmt_vid_out_overlay, .vidioc_g_fmt_sliced_vbi_out = ivtv_g_fmt_sliced_vbi_out, .vidioc_s_fmt_vid_cap = ivtv_s_fmt_vid_cap, .vidioc_s_fmt_vbi_cap = ivtv_s_fmt_vbi_cap, .vidioc_s_fmt_sliced_vbi_cap = ivtv_s_fmt_sliced_vbi_cap, .vidioc_s_fmt_vid_out = ivtv_s_fmt_vid_out, .vidioc_s_fmt_vid_out_overlay = ivtv_s_fmt_vid_out_overlay, .vidioc_s_fmt_sliced_vbi_out = ivtv_s_fmt_sliced_vbi_out, .vidioc_try_fmt_vid_cap = ivtv_try_fmt_vid_cap, .vidioc_try_fmt_vbi_cap = ivtv_try_fmt_vbi_cap, .vidioc_try_fmt_sliced_vbi_cap = ivtv_try_fmt_sliced_vbi_cap, .vidioc_try_fmt_vid_out = ivtv_try_fmt_vid_out, .vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay, .vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out, .vidioc_g_sliced_vbi_cap = ivtv_g_sliced_vbi_cap, .vidioc_g_chip_ident = ivtv_g_chip_ident, #ifdef CONFIG_VIDEO_ADV_DEBUG .vidioc_g_register = ivtv_g_register, .vidioc_s_register = ivtv_s_register, #endif .vidioc_default = ivtv_default, .vidioc_queryctrl = ivtv_queryctrl, .vidioc_querymenu = ivtv_querymenu, .vidioc_g_ext_ctrls = ivtv_g_ext_ctrls, .vidioc_s_ext_ctrls = ivtv_s_ext_ctrls, .vidioc_try_ext_ctrls = ivtv_try_ext_ctrls, }; void ivtv_set_funcs(struct video_device *vdev) { vdev->ioctl_ops = &ivtv_ioctl_ops; }