Merge "Migrate mpq demux driver from kernel 3.18 to 4.4"

1 files changed, 99 insertions, 0 deletions

diff --git a/include/linux/qcom_tspp.h b/include/linux/qcom_tspp.h
new file mode 100644
index 000000000000..28e6695fb057
--- /dev/null
+++ b/include/linux/qcom_tspp.h
@@ -0,0 +1,99 @@
+/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef _MSM_TSPP_H_
+#define _MSM_TSPP_H_
+
+struct tspp_data_descriptor {
+	void *virt_base;   /* logical address of the actual data */
+	phys_addr_t phys_base; /* physical address of the actual data */
+	u32 size;          /* size of buffer in bytes */
+	int id;            /* unique identifier */
+	void *user;        /* user-defined data */
+};
+
+enum tspp_key_parity {
+	TSPP_KEY_PARITY_EVEN,
+	TSPP_KEY_PARITY_ODD
+};
+
+struct tspp_key {
+	enum tspp_key_parity parity;
+	int lsb;
+	int msb;
+};
+
+enum tspp_source {
+	TSPP_SOURCE_TSIF0,
+	TSPP_SOURCE_TSIF1,
+	TSPP_SOURCE_MEM,
+	TSPP_SOURCE_NONE = -1
+};
+
+enum tspp_mode {
+	TSPP_MODE_DISABLED,
+	TSPP_MODE_PES,
+	TSPP_MODE_RAW,
+	TSPP_MODE_RAW_NO_SUFFIX
+};
+
+enum tspp_tsif_mode {
+	TSPP_TSIF_MODE_LOOPBACK, /* loopback mode */
+	TSPP_TSIF_MODE_1,        /* without sync */
+	TSPP_TSIF_MODE_2         /* with sync signal */
+};
+
+struct tspp_filter {
+	int pid;
+	int mask;
+	enum tspp_mode mode;
+	unsigned int priority;	/* 0 - 15 */
+	int decrypt;
+	enum tspp_source source;
+};
+
+struct tspp_select_source {
+	enum tspp_source source;
+	enum tspp_tsif_mode mode;
+	int clk_inverse;
+	int data_inverse;
+	int sync_inverse;
+	int enable_inverse;
+};
+
+typedef void (tspp_notifier)(int channel_id, void *user);
+typedef void* (tspp_allocator)(int channel_id, u32 size,
+	phys_addr_t *phys_base, void *user);
+typedef void (tspp_memfree)(int channel_id, u32 size,
+	void *virt_base, phys_addr_t phys_base, void *user);
+
+/* Kernel API functions */
+int tspp_open_stream(u32 dev, u32 channel_id,
+			struct tspp_select_source *source);
+int tspp_close_stream(u32 dev, u32 channel_id);
+int tspp_open_channel(u32 dev, u32 channel_id);
+int tspp_close_channel(u32 dev, u32 channel_id);
+int tspp_get_ref_clk_counter(u32 dev,
+	enum tspp_source source, u32 *tcr_counter);
+int tspp_add_filter(u32 dev, u32 channel_id, struct tspp_filter *filter);
+int tspp_remove_filter(u32 dev, u32 channel_id,	struct tspp_filter *filter);
+int tspp_set_key(u32 dev, u32 channel_id, struct tspp_key *key);
+int tspp_register_notification(u32 dev, u32 channel_id, tspp_notifier *notify,
+	void *data, u32 timer_ms);
+int tspp_unregister_notification(u32 dev, u32 channel_id);
+const struct tspp_data_descriptor *tspp_get_buffer(u32 dev, u32 channel_id);
+int tspp_release_buffer(u32 dev, u32 channel_id, u32 descriptor_id);
+int tspp_allocate_buffers(u32 dev, u32 channel_id, u32 count,
+	u32 size, u32 int_freq, tspp_allocator *alloc,
+	tspp_memfree *memfree, void *user);
+
+#endif /* _MSM_TSPP_H_ */