79db7c3476
Add audio stream buffer interface to write the Audio demux data to audio decoder buffers. Add support in TSIF driver to append LPASS subsystem time stamps to Transport Stream packets in TSIF HW. This is required for AV sync & clock recovery handling for mediabox project based on LE platform. CR's-Fixed: 2005724 Change-Id: I39d2544e958c31ff1abdd2ad77412a87bc2a189b Signed-off-by: Udaya Bhaskara Reddy Mallavarapu <udaym@codeaurora.org> Signed-off-by: Arun Menon <avmenon@codeaurora.org>
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _MSM_TSPP_H_
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#define _MSM_TSPP_H_
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struct tspp_data_descriptor {
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void *virt_base; /* logical address of the actual data */
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phys_addr_t phys_base; /* physical address of the actual data */
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u32 size; /* size of buffer in bytes */
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int id; /* unique identifier */
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void *user; /* user-defined data */
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};
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enum tspp_key_parity {
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TSPP_KEY_PARITY_EVEN,
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TSPP_KEY_PARITY_ODD
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};
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struct tspp_key {
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enum tspp_key_parity parity;
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int lsb;
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int msb;
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};
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enum tspp_source {
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TSPP_SOURCE_TSIF0,
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TSPP_SOURCE_TSIF1,
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TSPP_SOURCE_MEM,
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TSPP_SOURCE_NONE = -1
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};
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enum tspp_mode {
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TSPP_MODE_DISABLED,
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TSPP_MODE_PES,
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TSPP_MODE_RAW,
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TSPP_MODE_RAW_NO_SUFFIX
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};
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enum tspp_tsif_mode {
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TSPP_TSIF_MODE_LOOPBACK, /* loopback mode */
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TSPP_TSIF_MODE_1, /* without sync */
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TSPP_TSIF_MODE_2 /* with sync signal */
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};
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struct tspp_filter {
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int pid;
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int mask;
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enum tspp_mode mode;
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unsigned int priority; /* 0 - 15 */
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int decrypt;
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enum tspp_source source;
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};
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struct tspp_select_source {
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enum tspp_source source;
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enum tspp_tsif_mode mode;
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int clk_inverse;
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int data_inverse;
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int sync_inverse;
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int enable_inverse;
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};
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enum tsif_tts_source {
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TSIF_TTS_TCR = 0, /* Time stamps from TCR counter */
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TSIF_TTS_LPASS_TIMER /* Time stamps from AV/Qtimer Timer */
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};
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typedef void (tspp_notifier)(int channel_id, void *user);
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typedef void* (tspp_allocator)(int channel_id, u32 size,
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phys_addr_t *phys_base, void *user);
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typedef void (tspp_memfree)(int channel_id, u32 size,
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void *virt_base, phys_addr_t phys_base, void *user);
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/* Kernel API functions */
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int tspp_open_stream(u32 dev, u32 channel_id,
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struct tspp_select_source *source);
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int tspp_close_stream(u32 dev, u32 channel_id);
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int tspp_open_channel(u32 dev, u32 channel_id);
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int tspp_close_channel(u32 dev, u32 channel_id);
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int tspp_get_ref_clk_counter(u32 dev,
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enum tspp_source source, u32 *tcr_counter);
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int tspp_add_filter(u32 dev, u32 channel_id, struct tspp_filter *filter);
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int tspp_remove_filter(u32 dev, u32 channel_id, struct tspp_filter *filter);
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int tspp_set_key(u32 dev, u32 channel_id, struct tspp_key *key);
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int tspp_register_notification(u32 dev, u32 channel_id, tspp_notifier *notify,
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void *data, u32 timer_ms);
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int tspp_unregister_notification(u32 dev, u32 channel_id);
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const struct tspp_data_descriptor *tspp_get_buffer(u32 dev, u32 channel_id);
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int tspp_release_buffer(u32 dev, u32 channel_id, u32 descriptor_id);
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int tspp_allocate_buffers(u32 dev, u32 channel_id, u32 count,
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u32 size, u32 int_freq, tspp_allocator *alloc,
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tspp_memfree *memfree, void *user);
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int tspp_get_tts_source(u32 dev, int *tts_source);
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int tspp_get_lpass_time_counter(u32 dev, enum tspp_source source,
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u64 *lpass_time_counter);
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#endif /* _MSM_TSPP_H_ */
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