1 /* 2 * Support for Intel Camera Imaging ISP subsystem. 3 * Copyright (c) 2015, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 */ 14 15 #ifndef __IBUF_CTRL_GLOBAL_H_INCLUDED__ 16 #define __IBUF_CTRL_GLOBAL_H_INCLUDED__ 17 18 #include <type_support.h> 19 20 #include <ibuf_cntrl_defs.h> /* _IBUF_CNTRL_RECALC_WORDS_STATUS, 21 * _IBUF_CNTRL_ARBITERS_STATUS, 22 * _IBUF_CNTRL_PROC_REG_ALIGN, 23 * etc. 24 */ 25 26 /* Definition of contents of main controller state register is lacking 27 * in ibuf_cntrl_defs.h, so define these here: 28 */ 29 #define _IBUF_CNTRL_MAIN_CNTRL_FSM_MASK 0xf 30 #define _IBUF_CNTRL_MAIN_CNTRL_FSM_NEXT_COMMAND_CHECK 0x9 31 #define _IBUF_CNTRL_MAIN_CNTRL_MEM_INP_BUF_ALLOC BIT(8) 32 #define _IBUF_CNTRL_DMA_SYNC_WAIT_FOR_SYNC 1 33 #define _IBUF_CNTRL_DMA_SYNC_FSM_WAIT_FOR_ACK (0x3 << 1) 34 35 typedef struct ib_buffer_s ib_buffer_t; 36 struct ib_buffer_s { 37 u32 start_addr; /* start address of the buffer in the 38 * "input-buffer hardware block" 39 */ 40 41 u32 stride; /* stride per buffer line (in bytes) */ 42 u32 lines; /* lines in the buffer */ 43 }; 44 45 typedef struct ibuf_ctrl_cfg_s ibuf_ctrl_cfg_t; 46 struct ibuf_ctrl_cfg_s { 47 bool online; 48 49 struct { 50 /* DMA configuration */ 51 u32 channel; 52 u32 cmd; /* must be _DMA_V2_MOVE_A2B_NO_SYNC_CHK_COMMAND */ 53 54 /* DMA reconfiguration */ 55 u32 shift_returned_items; 56 u32 elems_per_word_in_ibuf; 57 u32 elems_per_word_in_dest; 58 } dma_cfg; 59 60 ib_buffer_t ib_buffer; 61 62 struct { 63 u32 stride; 64 u32 start_addr; 65 u32 lines; 66 } dest_buf_cfg; 67 68 u32 items_per_store; 69 u32 stores_per_frame; 70 71 struct { 72 u32 sync_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME */ 73 u32 store_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS */ 74 } stream2mmio_cfg; 75 }; 76 77 extern const u32 N_IBUF_CTRL_PROCS[N_IBUF_CTRL_ID]; 78 79 #endif /* __IBUF_CTRL_GLOBAL_H_INCLUDED__ */ 80