101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/* Copyright (c) 2012-2014, 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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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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#endif /* _MSM_TSPP_H_ */
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