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 __IBUF_CTRL_GLOBAL_H_INCLUDED__ 17 #define __IBUF_CTRL_GLOBAL_H_INCLUDED__ 18 19 #include <type_support.h> 20 21 #include <ibuf_cntrl_defs.h> /* _IBUF_CNTRL_RECALC_WORDS_STATUS, 22 * _IBUF_CNTRL_ARBITERS_STATUS, 23 * _IBUF_CNTRL_PROC_REG_ALIGN, 24 * etc. 25 */ 26 27 /* Definition of contents of main controller state register is lacking 28 * in ibuf_cntrl_defs.h, so define these here: 29 */ 30 #define _IBUF_CNTRL_MAIN_CNTRL_FSM_MASK 0xf 31 #define _IBUF_CNTRL_MAIN_CNTRL_FSM_NEXT_COMMAND_CHECK 0x9 32 #define _IBUF_CNTRL_MAIN_CNTRL_MEM_INP_BUF_ALLOC BIT(8) 33 #define _IBUF_CNTRL_DMA_SYNC_WAIT_FOR_SYNC 1 34 #define _IBUF_CNTRL_DMA_SYNC_FSM_WAIT_FOR_ACK (0x3 << 1) 35 36 typedef struct ib_buffer_s ib_buffer_t; 37 struct ib_buffer_s { 38 u32 start_addr; /* start address of the buffer in the 39 * "input-buffer hardware block" 40 */ 41 42 u32 stride; /* stride per buffer line (in bytes) */ 43 u32 lines; /* lines in the buffer */ 44 }; 45 46 typedef struct ibuf_ctrl_cfg_s ibuf_ctrl_cfg_t; 47 struct ibuf_ctrl_cfg_s { 48 bool online; 49 50 struct { 51 /* DMA configuration */ 52 u32 channel; 53 u32 cmd; /* must be _DMA_V2_MOVE_A2B_NO_SYNC_CHK_COMMAND */ 54 55 /* DMA reconfiguration */ 56 u32 shift_returned_items; 57 u32 elems_per_word_in_ibuf; 58 u32 elems_per_word_in_dest; 59 } dma_cfg; 60 61 ib_buffer_t ib_buffer; 62 63 struct { 64 u32 stride; 65 u32 start_addr; 66 u32 lines; 67 } dest_buf_cfg; 68 69 u32 items_per_store; 70 u32 stores_per_frame; 71 72 struct { 73 u32 sync_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME */ 74 u32 store_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS */ 75 } stream2mmio_cfg; 76 }; 77 78 extern const u32 N_IBUF_CTRL_PROCS[N_IBUF_CTRL_ID]; 79 80 #endif /* __IBUF_CTRL_GLOBAL_H_INCLUDED__ */ 81