Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 insertions, 0 deletions

diff --git a/drivers/media/test-drivers/vidtv/vidtv_channel.h b/drivers/media/test-drivers/vidtv/vidtv_channel.h
new file mode 100644
index 000000000..fff2e501d
--- /dev/null
+++ b/drivers/media/test-drivers/vidtv/vidtv_channel.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Vidtv serves as a reference DVB driver and helps validate the existing APIs
+ * in the media subsystem. It can also aid developers working on userspace
+ * applications.
+ *
+ * This file contains the code for a 'channel' abstraction.
+ *
+ * When vidtv boots, it will create some hardcoded channels.
+ * Their services will be concatenated to populate the SDT.
+ * Their programs will be concatenated to populate the PAT
+ * Their events will be concatenated to populate the EIT
+ * For each program in the PAT, a PMT section will be created
+ * The PMT section for a channel will be assigned its streams.
+ * Every stream will have its corresponding encoder polled to produce TS packets
+ * These packets may be interleaved by the mux and then delivered to the bridge
+ *
+ *
+ * Copyright (C) 2020 Daniel W. S. Almeida
+ */
+
+#ifndef VIDTV_CHANNEL_H
+#define VIDTV_CHANNEL_H
+
+#include <linux/types.h>
+
+#include "vidtv_encoder.h"
+#include "vidtv_mux.h"
+#include "vidtv_psi.h"
+
+/**
+ * struct vidtv_channel - A 'channel' abstraction
+ *
+ * When vidtv boots, it will create some hardcoded channels.
+ * Their services will be concatenated to populate the SDT.
+ * Their programs will be concatenated to populate the PAT
+ * For each program in the PAT, a PMT section will be created
+ * The PMT section for a channel will be assigned its streams.
+ * Every stream will have its corresponding encoder polled to produce TS packets
+ * These packets may be interleaved by the mux and then delivered to the bridge
+ *
+ * @name: name of the channel
+ * @transport_stream_id: a number to identify the TS, chosen at will.
+ * @service: A _single_ service. Will be concatenated into the SDT.
+ * @program_num: The link between PAT, PMT and SDT.
+ * @program: A _single_ program with one or more streams associated with it.
+ * Will be concatenated into the PAT.
+ * @streams: A stream loop used to populate the PMT section for 'program'
+ * @encoders: A encoder loop. There must be one encoder for each stream.
+ * @events: Optional event information. This will feed into the EIT.
+ * @next: Optionally chain this channel.
+ */
+struct vidtv_channel {
+	char *name;
+	u16 transport_stream_id;
+	struct vidtv_psi_table_sdt_service *service;
+	u16 program_num;
+	struct vidtv_psi_table_pat_program *program;
+	struct vidtv_psi_table_pmt_stream *streams;
+	struct vidtv_encoder *encoders;
+	struct vidtv_psi_table_eit_event *events;
+	struct vidtv_channel *next;
+};
+
+/**
+ * vidtv_channel_si_init - Init the PSI tables from the channels in the mux
+ * @m: The mux containing the channels.
+ */
+int vidtv_channel_si_init(struct vidtv_mux *m);
+void vidtv_channel_si_destroy(struct vidtv_mux *m);
+
+/**
+ * vidtv_channels_init - Init hardcoded, fake 'channels'.
+ * @m: The mux to store the channels into.
+ */
+int vidtv_channels_init(struct vidtv_mux *m);
+struct vidtv_channel
+*vidtv_channel_s302m_init(struct vidtv_channel *head, u16 transport_stream_id);
+void vidtv_channels_destroy(struct vidtv_mux *m);
+
+#endif //VIDTV_CHANNEL_H