From 027c21bf59bd7f632eac8f7f2e839b0b638a4794 Mon Sep 17 00:00:00 2001 From: Udaya Mallavarapu Date: Tue, 30 Aug 2016 15:54:20 +0530 Subject: Migrate mpq demux driver from kernel 3.18 to 4.4 This change migrates all the relevant files consisting of the mpq demux driver and its plugins, including the addition of TSPPv1 HW driver. The snapshot is taken as of msm-3.18, 'commit e12c33f73fb0 ("Merge defconfig: Enabling confg INET_DIAG_DESTROY")' In addition, introduce a few code changes to reduce checkpatch warnings, typos and other style issues. CRs-Fixed: 1057562 Change-Id: I76c9a9e44755a4a77e6cffb1dc07f5b28c8b34b8 Signed-off-by: Udaya Mallavarapu --- include/linux/qcom_tspp.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 include/linux/qcom_tspp.h (limited to 'include') 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_ */ -- cgit v1.2.3