1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
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.
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
16 #ifndef __IBUF_CTRL_GLOBAL_H_INCLUDED__
17 #define __IBUF_CTRL_GLOBAL_H_INCLUDED__
19 #include <type_support.h>
21 #include <ibuf_cntrl_defs.h> /* _IBUF_CNTRL_RECALC_WORDS_STATUS,
22 * _IBUF_CNTRL_ARBITERS_STATUS,
23 * _IBUF_CNTRL_PROC_REG_ALIGN,
27 /* Definition of contents of main controller state register is lacking
28 * in ibuf_cntrl_defs.h, so define these here:
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)
36 struct isp2401_ib_buffer_s {
37 u32 start_addr; /* start address of the buffer in the
38 * "input-buffer hardware block"
41 u32 stride; /* stride per buffer line (in bytes) */
42 u32 lines; /* lines in the buffer */
44 typedef struct isp2401_ib_buffer_s isp2401_ib_buffer_t;
46 typedef struct ibuf_ctrl_cfg_s ibuf_ctrl_cfg_t;
47 struct ibuf_ctrl_cfg_s {
51 /* DMA configuration */
53 u32 cmd; /* must be _DMA_V2_MOVE_A2B_NO_SYNC_CHK_COMMAND */
55 /* DMA reconfiguration */
56 u32 shift_returned_items;
57 u32 elems_per_word_in_ibuf;
58 u32 elems_per_word_in_dest;
61 isp2401_ib_buffer_t ib_buffer;
73 u32 sync_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_SYNC_FRAME */
74 u32 store_cmd; /* must be _STREAM2MMIO_CMD_TOKEN_STORE_PACKETS */
78 extern const u32 N_IBUF_CTRL_PROCS[N_IBUF_CTRL_ID];
80 #endif /* __IBUF_CTRL_GLOBAL_H_INCLUDED__ */