/* ioctl control functions Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> 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-ioctl.h" #include "ivtv-controls.h" #include "ivtv-mailbox.h" static int ivtv_s_stream_vbi_fmt(struct cx2341x_handler *cxhdl, u32 fmt) { struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); /* First try to allocate sliced VBI buffers if needed. */ if (fmt && itv->vbi.sliced_mpeg_data[0] == NULL) { int i; for (i = 0; i < IVTV_VBI_FRAMES; i++) { /* Yuck, hardcoded. Needs to be a define */ itv->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL); if (itv->vbi.sliced_mpeg_data[i] == NULL) { while (--i >= 0) { kfree(itv->vbi.sliced_mpeg_data[i]); itv->vbi.sliced_mpeg_data[i] = NULL; } return -ENOMEM; } } } itv->vbi.insert_mpeg = fmt; if (itv->vbi.insert_mpeg == 0) { return 0; } /* Need sliced data for mpeg insertion */ if (ivtv_get_service_set(itv->vbi.sliced_in) == 0) { if (itv->is_60hz) itv->vbi.sliced_in->service_set = V4L2_SLICED_CAPTION_525; else itv->vbi.sliced_in->service_set = V4L2_SLICED_WSS_625; ivtv_expand_service_set(itv->vbi.sliced_in, itv->is_50hz); } return 0; } static int ivtv_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) { struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; struct v4l2_mbus_framefmt fmt; /* fix videodecoder resolution */ fmt.width = cxhdl->width / (is_mpeg1 ? 2 : 1); fmt.height = cxhdl->height; fmt.code = V4L2_MBUS_FMT_FIXED; v4l2_subdev_call(itv->sd_video, video, s_mbus_fmt, &fmt); return 0; } static int ivtv_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) { static const u32 freqs[3] = { 44100, 48000, 32000 }; struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); /* The audio clock of the digitizer must match the codec sample rate otherwise you get some very strange effects. */ if (idx < ARRAY_SIZE(freqs)) ivtv_call_all(itv, audio, s_clock_freq, freqs[idx]); return 0; } static int ivtv_s_audio_mode(struct cx2341x_handler *cxhdl, u32 val) { struct ivtv *itv = container_of(cxhdl, struct ivtv, cxhdl); itv->dualwatch_stereo_mode = val; return 0; } struct cx2341x_handler_ops ivtv_cxhdl_ops = { .s_audio_mode = ivtv_s_audio_mode, .s_audio_sampling_freq = ivtv_s_audio_sampling_freq, .s_video_encoding = ivtv_s_video_encoding, .s_stream_vbi_fmt = ivtv_s_stream_vbi_fmt, }; int ivtv_g_pts_frame(struct ivtv *itv, s64 *pts, s64 *frame) { u32 data[CX2341X_MBOX_MAX_DATA]; if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) { *pts = (s64)((u64)itv->last_dec_timing[2] << 32) | (u64)itv->last_dec_timing[1]; *frame = itv->last_dec_timing[0]; return 0; } *pts = 0; *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); *pts = (s64)((u64) data[2] << 32) | (u64) data[1]; *frame = data[0]; /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/ } return 0; } static int ivtv_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl); switch (ctrl->id) { /* V4L2_CID_MPEG_VIDEO_DEC_PTS and V4L2_CID_MPEG_VIDEO_DEC_FRAME control cluster */ case V4L2_CID_MPEG_VIDEO_DEC_PTS: return ivtv_g_pts_frame(itv, itv->ctrl_pts->p_new.p_s64, itv->ctrl_frame->p_new.p_s64); } return 0; } static int ivtv_s_ctrl(struct v4l2_ctrl *ctrl) { struct ivtv *itv = container_of(ctrl->handler, struct ivtv, cxhdl.hdl); switch (ctrl->id) { /* V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK and MULTILINGUAL_PLAYBACK control cluster */ case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK: itv->audio_stereo_mode = itv->ctrl_audio_playback->val - 1; itv->audio_bilingual_mode = itv->ctrl_audio_multilingual_playback->val - 1; ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode); break; } return 0; } const struct v4l2_ctrl_ops ivtv_hdl_out_ops = { .s_ctrl = ivtv_s_ctrl, .g_volatile_ctrl = ivtv_g_volatile_ctrl, };