From ddd86436f4e3643c04b797f858dab95d5f2e4de9 Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 15:00:15 +0000 Subject: fish --- drivers/media/pci/cx18/cx18-streams.h | 62 +++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 drivers/media/pci/cx18/cx18-streams.h (limited to 'drivers/media/pci/cx18/cx18-streams.h') diff --git a/drivers/media/pci/cx18/cx18-streams.h b/drivers/media/pci/cx18/cx18-streams.h new file mode 100644 index 0000000..713b0e6 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-streams.h @@ -0,0 +1,62 @@ +/* + * cx18 init/start/stop/exit stream functions + * + * Derived from ivtv-streams.h + * + * Copyright (C) 2007 Hans Verkuil + * Copyright (C) 2008 Andy Walls + * + * 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 + */ + +u32 cx18_find_handle(struct cx18 *cx); +struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle); +int cx18_streams_setup(struct cx18 *cx); +int cx18_streams_register(struct cx18 *cx); +void cx18_streams_cleanup(struct cx18 *cx, int unregister); + +#define CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN (3) +void cx18_stream_rotate_idx_mdls(struct cx18 *cx); + +static inline bool cx18_stream_enabled(struct cx18_stream *s) +{ + return s->video_dev || + (s->dvb && s->dvb->enabled) || + (s->type == CX18_ENC_STREAM_TYPE_IDX && + s->cx->stream_buffers[CX18_ENC_STREAM_TYPE_IDX] != 0); +} + +/* Related to submission of mdls to firmware */ +static inline void cx18_stream_load_fw_queue(struct cx18_stream *s) +{ + schedule_work(&s->out_work_order); +} + +static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s, + struct cx18_mdl *mdl) +{ + /* Put mdl on q_free; the out work handler will move mdl(s) to q_busy */ + cx18_enqueue(s, mdl, &s->q_free); + cx18_stream_load_fw_queue(s); +} + +void cx18_out_work_handler(struct work_struct *work); + +/* Capture related */ +int cx18_start_v4l2_encode_stream(struct cx18_stream *s); +int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end); + +void cx18_stop_all_captures(struct cx18 *cx); -- cgit v1.2.3