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 _STREAM2MMMIO_DEFS_H 17 #define _STREAM2MMMIO_DEFS_H 18 19 #include <mipi_backend_defs.h> 20 21 #define _STREAM2MMIO_REG_ALIGN 4 22 23 #define _STREAM2MMIO_COMMAND_REG_ID 0 24 #define _STREAM2MMIO_ACKNOWLEDGE_REG_ID 1 25 #define _STREAM2MMIO_PIX_WIDTH_ID_REG_ID 2 26 #define _STREAM2MMIO_START_ADDR_REG_ID 3 /* master port address,NOT Byte */ 27 #define _STREAM2MMIO_END_ADDR_REG_ID 4 /* master port address,NOT Byte */ 28 #define _STREAM2MMIO_STRIDE_REG_ID 5 /* stride in master port words, increment is per packet for long sids, stride is not used for short sid's*/ 29 #define _STREAM2MMIO_NUM_ITEMS_REG_ID 6 /* number of packets for store packets cmd, number of words for store_words cmd */ 30 #define _STREAM2MMIO_BLOCK_WHEN_NO_CMD_REG_ID 7 /* if this register is 1, input will be stalled if there is no pending command for this sid */ 31 #define _STREAM2MMIO_REGS_PER_SID 8 32 33 #define _STREAM2MMIO_SID_REG_OFFSET 8 34 #define _STREAM2MMIO_MAX_NOF_SIDS 64 /* value used in hss model */ 35 36 /* command token definition */ 37 #define _STREAM2MMIO_CMD_TOKEN_CMD_LSB 0 /* bits 1-0 is for the command field */ 38 #define _STREAM2MMIO_CMD_TOKEN_CMD_MSB 1 39 40 #define _STREAM2MMIO_CMD_TOKEN_WIDTH (_STREAM2MMIO_CMD_TOKEN_CMD_MSB + 1 - _STREAM2MMIO_CMD_TOKEN_CMD_LSB) 41 42 #define _STREAM2MMIO_CMD_TOKEN_STORE_WORDS 0 /* command for storing a number of output words indicated by reg _STREAM2MMIO_NUM_ITEMS */ 43 #define _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS 1 /* command for storing a number of packets indicated by reg _STREAM2MMIO_NUM_ITEMS */ 44 #define _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME 2 /* command for waiting for a frame start */ 45 46 /* acknowledges from packer module */ 47 /* fields: eof - indicates whether last (short) packet received was an eof packet */ 48 /* eop - indicates whether command has ended due to packet end or due to no of words requested has been received */ 49 /* count - indicates number of words stored */ 50 #define _STREAM2MMIO_PACK_NUM_ITEMS_BITS 16 51 #define _STREAM2MMIO_PACK_ACK_EOP_BIT _STREAM2MMIO_PACK_NUM_ITEMS_BITS 52 #define _STREAM2MMIO_PACK_ACK_EOF_BIT (_STREAM2MMIO_PACK_ACK_EOP_BIT + 1) 53 54 /* acknowledge token definition */ 55 #define _STREAM2MMIO_ACK_TOKEN_NUM_ITEMS_LSB 0 /* bits 3-0 is for the command field */ 56 #define _STREAM2MMIO_ACK_TOKEN_NUM_ITEMS_MSB (_STREAM2MMIO_PACK_NUM_ITEMS_BITS - 1) 57 #define _STREAM2MMIO_ACK_TOKEN_EOP_BIT _STREAM2MMIO_PACK_ACK_EOP_BIT 58 #define _STREAM2MMIO_ACK_TOKEN_EOF_BIT _STREAM2MMIO_PACK_ACK_EOF_BIT 59 #define _STREAM2MMIO_ACK_TOKEN_VALID_BIT (_STREAM2MMIO_ACK_TOKEN_EOF_BIT + 1) /* this bit indicates a valid ack */ 60 /* if there is no valid ack, a read */ 61 /* on the ack register returns 0 */ 62 #define _STREAM2MMIO_ACK_TOKEN_WIDTH (_STREAM2MMIO_ACK_TOKEN_VALID_BIT + 1) 63 64 /* commands for packer module */ 65 #define _STREAM2MMIO_PACK_CMD_STORE_WORDS 0 66 #define _STREAM2MMIO_PACK_CMD_STORE_LONG_PACKET 1 67 #define _STREAM2MMIO_PACK_CMD_STORE_SHORT_PACKET 2 68 69 #endif /* _STREAM2MMIO_DEFS_H */ 70