1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #ifndef __DEBUG_GLOBAL_H_INCLUDED__ 17 #define __DEBUG_GLOBAL_H_INCLUDED__ 18 19 #include <type_support.h> 20 21 #define DEBUG_BUF_SIZE 1024 22 #define DEBUG_BUF_MASK (DEBUG_BUF_SIZE - 1) 23 24 #define DEBUG_DATA_ENABLE_ADDR 0x00 25 #define DEBUG_DATA_BUF_MODE_ADDR 0x04 26 #define DEBUG_DATA_HEAD_ADDR 0x08 27 #define DEBUG_DATA_TAIL_ADDR 0x0C 28 #define DEBUG_DATA_BUF_ADDR 0x10 29 30 #define DEBUG_DATA_ENABLE_DDR_ADDR 0x00 31 #define DEBUG_DATA_BUF_MODE_DDR_ADDR HIVE_ISP_DDR_WORD_BYTES 32 #define DEBUG_DATA_HEAD_DDR_ADDR (2 * HIVE_ISP_DDR_WORD_BYTES) 33 #define DEBUG_DATA_TAIL_DDR_ADDR (3 * HIVE_ISP_DDR_WORD_BYTES) 34 #define DEBUG_DATA_BUF_DDR_ADDR (4 * HIVE_ISP_DDR_WORD_BYTES) 35 36 #define DEBUG_BUFFER_ISP_DMEM_ADDR 0x0 37 38 /* 39 * The linear buffer mode will accept data until the first 40 * overflow and then stop accepting new data 41 * The circular buffer mode will accept if there is place 42 * and discard the data if the buffer is full 43 */ 44 typedef enum { 45 DEBUG_BUFFER_MODE_LINEAR = 0, 46 DEBUG_BUFFER_MODE_CIRCULAR, 47 N_DEBUG_BUFFER_MODE 48 } debug_buf_mode_t; 49 50 struct debug_data_s { 51 u32 enable; 52 u32 bufmode; 53 u32 head; 54 u32 tail; 55 u32 buf[DEBUG_BUF_SIZE]; 56 }; 57 58 /* thread.sp.c doesn't have a notion of HIVE_ISP_DDR_WORD_BYTES 59 still one point of control is needed for debug purposes */ 60 61 #ifdef HIVE_ISP_DDR_WORD_BYTES 62 struct debug_data_ddr_s { 63 u32 enable; 64 s8 padding1[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)]; 65 u32 bufmode; 66 s8 padding2[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)]; 67 u32 head; 68 s8 padding3[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)]; 69 u32 tail; 70 s8 padding4[HIVE_ISP_DDR_WORD_BYTES - sizeof(uint32_t)]; 71 u32 buf[DEBUG_BUF_SIZE]; 72 }; 73 #endif 74 75 #endif /* __DEBUG_GLOBAL_H_INCLUDED__ */ 76