/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __CSS_TRACE_H_
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#define __CSS_TRACE_H_
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#include <type_support.h>
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#include "sh_css_internal.h" /* for SH_CSS_MAX_SP_THREADS */
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/*
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structs and constants for tracing
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*/
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/* one tracer item: major, minor and counter. The counter value can be used for GP data */
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struct trace_item_t {
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u8 major;
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u8 minor;
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u16 counter;
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};
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#define MAX_SCRATCH_DATA 4
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#define MAX_CMD_DATA 2
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/* trace header: holds the version and the topology of the tracer. */
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struct trace_header_t {
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/* 1st dword: descriptor */
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u8 version;
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u8 max_threads;
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u16 max_tracer_points;
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/* 2nd field: command + data */
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/* 2nd dword */
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u32 command;
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/* 3rd & 4th dword */
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u32 data[MAX_CMD_DATA];
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/* 3rd field: debug pointer */
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/* 5th & 6th dword: debug pointer mechanism */
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u32 debug_ptr_signature;
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u32 debug_ptr_value;
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/* Rest of the header: status & scratch data */
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u8 thr_status_byte[SH_CSS_MAX_SP_THREADS];
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u16 thr_status_word[SH_CSS_MAX_SP_THREADS];
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u32 thr_status_dword[SH_CSS_MAX_SP_THREADS];
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u32 scratch_debug[MAX_SCRATCH_DATA];
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};
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/* offsets for master_port read/write */
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#define HDR_HDR_OFFSET 0 /* offset of the header */
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#define HDR_COMMAND_OFFSET offsetof(struct trace_header_t, command)
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#define HDR_DATA_OFFSET offsetof(struct trace_header_t, data)
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#define HDR_DEBUG_SIGNATURE_OFFSET offsetof(struct trace_header_t, debug_ptr_signature)
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#define HDR_DEBUG_POINTER_OFFSET offsetof(struct trace_header_t, debug_ptr_value)
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#define HDR_STATUS_OFFSET offsetof(struct trace_header_t, thr_status_byte)
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#define HDR_STATUS_OFFSET_BYTE offsetof(struct trace_header_t, thr_status_byte)
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#define HDR_STATUS_OFFSET_WORD offsetof(struct trace_header_t, thr_status_word)
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#define HDR_STATUS_OFFSET_DWORD offsetof(struct trace_header_t, thr_status_dword)
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#define HDR_STATUS_OFFSET_SCRATCH offsetof(struct trace_header_t, scratch_debug)
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/*
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Trace version history:
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1: initial version, hdr = descr, command & ptr.
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2: added ISP + 24-bit fields.
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3: added thread ID.
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4: added status in header.
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*/
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#define TRACER_VER 4
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#define TRACE_BUFF_ADDR 0xA000
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#define TRACE_BUFF_SIZE 0x1000 /* 4K allocated */
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#define TRACE_ENABLE_SP0 0
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#define TRACE_ENABLE_SP1 0
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#define TRACE_ENABLE_ISP 0
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enum TRACE_CORE_ID {
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TRACE_SP0_ID,
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TRACE_SP1_ID,
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TRACE_ISP_ID
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};
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/* TODO: add timing format? */
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enum TRACE_DUMP_FORMAT {
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TRACE_DUMP_FORMAT_POINT_NO_TID,
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TRACE_DUMP_FORMAT_VALUE24,
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TRACE_DUMP_FORMAT_VALUE24_TIMING,
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TRACE_DUMP_FORMAT_VALUE24_TIMING_DELTA,
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TRACE_DUMP_FORMAT_POINT
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};
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/* currently divided as follows:*/
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#if (TRACE_ENABLE_SP0 + TRACE_ENABLE_SP1 + TRACE_ENABLE_ISP == 3)
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/* can be divided as needed */
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#define TRACE_SP0_SIZE (TRACE_BUFF_SIZE / 4)
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#define TRACE_SP1_SIZE (TRACE_BUFF_SIZE / 4)
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#define TRACE_ISP_SIZE (TRACE_BUFF_SIZE / 2)
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#elif (TRACE_ENABLE_SP0 + TRACE_ENABLE_SP1 + TRACE_ENABLE_ISP == 2)
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#if TRACE_ENABLE_SP0
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#define TRACE_SP0_SIZE (TRACE_BUFF_SIZE / 2)
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#else
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#define TRACE_SP0_SIZE (0)
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#endif
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#if TRACE_ENABLE_SP1
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#define TRACE_SP1_SIZE (TRACE_BUFF_SIZE / 2)
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#else
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#define TRACE_SP1_SIZE (0)
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#endif
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#if TRACE_ENABLE_ISP
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#define TRACE_ISP_SIZE (TRACE_BUFF_SIZE / 2)
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#else
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#define TRACE_ISP_SIZE (0)
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#endif
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#elif (TRACE_ENABLE_SP0 + TRACE_ENABLE_SP1 + TRACE_ENABLE_ISP == 1)
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#if TRACE_ENABLE_SP0
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#define TRACE_SP0_SIZE (TRACE_BUFF_SIZE)
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#else
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#define TRACE_SP0_SIZE (0)
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#endif
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#if TRACE_ENABLE_SP1
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#define TRACE_SP1_SIZE (TRACE_BUFF_SIZE)
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#else
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#define TRACE_SP1_SIZE (0)
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#endif
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#if TRACE_ENABLE_ISP
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#define TRACE_ISP_SIZE (TRACE_BUFF_SIZE)
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#else
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#define TRACE_ISP_SIZE (0)
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#endif
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#else
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#define TRACE_SP0_SIZE (0)
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#define TRACE_SP1_SIZE (0)
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#define TRACE_ISP_SIZE (0)
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#endif
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#define TRACE_SP0_ADDR (TRACE_BUFF_ADDR)
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#define TRACE_SP1_ADDR (TRACE_SP0_ADDR + TRACE_SP0_SIZE)
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#define TRACE_ISP_ADDR (TRACE_SP1_ADDR + TRACE_SP1_SIZE)
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/* check if it's a legal division */
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#if (TRACE_BUFF_SIZE < TRACE_SP0_SIZE + TRACE_SP1_SIZE + TRACE_ISP_SIZE)
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#error trace sizes are not divided correctly and are above limit
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#endif
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#define TRACE_SP0_HEADER_ADDR (TRACE_SP0_ADDR)
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#define TRACE_SP0_HEADER_SIZE (sizeof(struct trace_header_t))
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#define TRACE_SP0_ITEM_SIZE (sizeof(struct trace_item_t))
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#define TRACE_SP0_DATA_ADDR (TRACE_SP0_HEADER_ADDR + TRACE_SP0_HEADER_SIZE)
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#define TRACE_SP0_DATA_SIZE (TRACE_SP0_SIZE - TRACE_SP0_HEADER_SIZE)
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#define TRACE_SP0_MAX_POINTS (TRACE_SP0_DATA_SIZE / TRACE_SP0_ITEM_SIZE)
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#define TRACE_SP1_HEADER_ADDR (TRACE_SP1_ADDR)
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#define TRACE_SP1_HEADER_SIZE (sizeof(struct trace_header_t))
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#define TRACE_SP1_ITEM_SIZE (sizeof(struct trace_item_t))
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#define TRACE_SP1_DATA_ADDR (TRACE_SP1_HEADER_ADDR + TRACE_SP1_HEADER_SIZE)
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#define TRACE_SP1_DATA_SIZE (TRACE_SP1_SIZE - TRACE_SP1_HEADER_SIZE)
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#define TRACE_SP1_MAX_POINTS (TRACE_SP1_DATA_SIZE / TRACE_SP1_ITEM_SIZE)
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#define TRACE_ISP_HEADER_ADDR (TRACE_ISP_ADDR)
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#define TRACE_ISP_HEADER_SIZE (sizeof(struct trace_header_t))
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#define TRACE_ISP_ITEM_SIZE (sizeof(struct trace_item_t))
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#define TRACE_ISP_DATA_ADDR (TRACE_ISP_HEADER_ADDR + TRACE_ISP_HEADER_SIZE)
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#define TRACE_ISP_DATA_SIZE (TRACE_ISP_SIZE - TRACE_ISP_HEADER_SIZE)
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#define TRACE_ISP_MAX_POINTS (TRACE_ISP_DATA_SIZE / TRACE_ISP_ITEM_SIZE)
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/* common majors */
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/* SP0 */
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#define MAJOR_MAIN 1
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#define MAJOR_ISP_STAGE_ENTRY 2
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#define MAJOR_DMA_PRXY 3
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#define MAJOR_START_ISP 4
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/* SP1 */
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#define MAJOR_OBSERVER_ISP0_EVENT 21
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#define MAJOR_OBSERVER_OUTPUT_FORM_EVENT 22
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#define MAJOR_OBSERVER_OUTPUT_SCAL_EVENT 23
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#define MAJOR_OBSERVER_IF_ACK 24
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#define MAJOR_OBSERVER_SP0_EVENT 25
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#define MAJOR_OBSERVER_SP_TERMINATE_EVENT 26
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#define MAJOR_OBSERVER_DMA_ACK 27
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#define MAJOR_OBSERVER_ACC_ACK 28
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#define DEBUG_PTR_SIGNATURE 0xABCD /* signature for the debug parameter pointer */
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/* command codes (1st byte) */
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typedef enum {
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CMD_SET_ONE_MAJOR = 1, /* mask in one major. 2nd byte in the command is the major code */
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CMD_UNSET_ONE_MAJOR = 2, /* mask out one major. 2nd byte in the command is the major code */
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CMD_SET_ALL_MAJORS = 3, /* set the major print mask. the full mask is in the data DWORD */
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CMD_SET_VERBOSITY = 4 /* set verbosity level */
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} DBG_commands;
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/* command signature */
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#define CMD_SIGNATURE 0xAABBCC00
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/* shared macros in traces infrastructure */
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/* increment the pointer cyclicly */
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#define DBG_NEXT_ITEM(x, max_items) (((x + 1) >= max_items) ? 0 : x + 1)
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#define DBG_PREV_ITEM(x, max_items) ((x) ? x - 1 : max_items - 1)
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#define FIELD_MASK(width) (((1 << (width)) - 1))
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#define FIELD_PACK(value, mask, offset) (((value) & (mask)) << (offset))
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#define FIELD_UNPACK(value, mask, offset) (((value) >> (offset)) & (mask))
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#define FIELD_VALUE_OFFSET (0)
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#define FIELD_VALUE_WIDTH (16)
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#define FIELD_VALUE_MASK FIELD_MASK(FIELD_VALUE_WIDTH)
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#define FIELD_VALUE_PACK(f) FIELD_PACK(f, FIELD_VALUE_MASK, FIELD_VALUE_OFFSET)
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#define FIELD_VALUE_UNPACK(f) FIELD_UNPACK(f, FIELD_VALUE_MASK, FIELD_VALUE_OFFSET)
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#define FIELD_MINOR_OFFSET (FIELD_VALUE_OFFSET + FIELD_VALUE_WIDTH)
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#define FIELD_MINOR_WIDTH (8)
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#define FIELD_MINOR_MASK FIELD_MASK(FIELD_MINOR_WIDTH)
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#define FIELD_MINOR_PACK(f) FIELD_PACK(f, FIELD_MINOR_MASK, FIELD_MINOR_OFFSET)
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#define FIELD_MINOR_UNPACK(f) FIELD_UNPACK(f, FIELD_MINOR_MASK, FIELD_MINOR_OFFSET)
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#define FIELD_MAJOR_OFFSET (FIELD_MINOR_OFFSET + FIELD_MINOR_WIDTH)
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#define FIELD_MAJOR_WIDTH (5)
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#define FIELD_MAJOR_MASK FIELD_MASK(FIELD_MAJOR_WIDTH)
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#define FIELD_MAJOR_PACK(f) FIELD_PACK(f, FIELD_MAJOR_MASK, FIELD_MAJOR_OFFSET)
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#define FIELD_MAJOR_UNPACK(f) FIELD_UNPACK(f, FIELD_MAJOR_MASK, FIELD_MAJOR_OFFSET)
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/* for quick traces - only insertion, compatible with the regular point */
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#define FIELD_FULL_MAJOR_WIDTH (8)
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#define FIELD_FULL_MAJOR_MASK FIELD_MASK(FIELD_FULL_MAJOR_WIDTH)
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#define FIELD_FULL_MAJOR_PACK(f) FIELD_PACK(f, FIELD_FULL_MAJOR_MASK, FIELD_MAJOR_OFFSET)
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/* The following 2 fields are used only when FIELD_TID value is 111b.
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* it means we don't want to use thread id, but format. In this case,
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* the last 2 MSB bits of the major field will indicates the format
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*/
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#define FIELD_MAJOR_W_FMT_OFFSET FIELD_MAJOR_OFFSET
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#define FIELD_MAJOR_W_FMT_WIDTH (3)
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#define FIELD_MAJOR_W_FMT_MASK FIELD_MASK(FIELD_MAJOR_W_FMT_WIDTH)
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#define FIELD_MAJOR_W_FMT_PACK(f) FIELD_PACK(f, FIELD_MAJOR_W_FMT_MASK, FIELD_MAJOR_W_FMT_OFFSET)
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#define FIELD_MAJOR_W_FMT_UNPACK(f) FIELD_UNPACK(f, FIELD_MAJOR_W_FMT_MASK, FIELD_MAJOR_W_FMT_OFFSET)
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#define FIELD_FORMAT_OFFSET (FIELD_MAJOR_OFFSET + FIELD_MAJOR_W_FMT_WIDTH)
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#define FIELD_FORMAT_WIDTH (2)
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#define FIELD_FORMAT_MASK FIELD_MASK(FIELD_MAJOR_W_FMT_WIDTH)
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#define FIELD_FORMAT_PACK(f) FIELD_PACK(f, FIELD_FORMAT_MASK, FIELD_FORMAT_OFFSET)
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#define FIELD_FORMAT_UNPACK(f) FIELD_UNPACK(f, FIELD_FORMAT_MASK, FIELD_FORMAT_OFFSET)
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#define FIELD_TID_SEL_FORMAT_PAT (7)
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#define FIELD_TID_OFFSET (FIELD_MAJOR_OFFSET + FIELD_MAJOR_WIDTH)
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#define FIELD_TID_WIDTH (3)
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#define FIELD_TID_MASK FIELD_MASK(FIELD_TID_WIDTH)
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#define FIELD_TID_PACK(f) FIELD_PACK(f, FIELD_TID_MASK, FIELD_TID_OFFSET)
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#define FIELD_TID_UNPACK(f) FIELD_UNPACK(f, FIELD_TID_MASK, FIELD_TID_OFFSET)
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#define FIELD_VALUE_24_OFFSET (0)
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#define FIELD_VALUE_24_WIDTH (24)
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#define FIELD_VALUE_24_MASK FIELD_MASK(FIELD_VALUE_24_WIDTH)
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#define FIELD_VALUE_24_PACK(f) FIELD_PACK(f, FIELD_VALUE_24_MASK, FIELD_VALUE_24_OFFSET)
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#define FIELD_VALUE_24_UNPACK(f) FIELD_UNPACK(f, FIELD_VALUE_24_MASK, FIELD_VALUE_24_OFFSET)
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#define PACK_TRACEPOINT(tid, major, minor, value) \
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(FIELD_TID_PACK(tid) | FIELD_MAJOR_PACK(major) | FIELD_MINOR_PACK(minor) | FIELD_VALUE_PACK(value))
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#define PACK_QUICK_TRACEPOINT(major, minor) \
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(FIELD_FULL_MAJOR_PACK(major) | FIELD_MINOR_PACK(minor))
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#define PACK_FORMATTED_TRACEPOINT(format, major, minor, value) \
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(FIELD_TID_PACK(FIELD_TID_SEL_FORMAT_PAT) | FIELD_FORMAT_PACK(format) | FIELD_MAJOR_PACK(major) | FIELD_MINOR_PACK(minor) | FIELD_VALUE_PACK(value))
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#define PACK_TRACE_VALUE24(major, value) \
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(FIELD_TID_PACK(FIELD_TID_SEL_FORMAT_PAT) | FIELD_MAJOR_PACK(major) | FIELD_VALUE_24_PACK(value))
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#endif /* __CSS_TRACE_H_ */
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