xref: /linux/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_local.h (revision 6fd600d742744dc7ef7fc65ca26daa2b1163158a)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2010-2015, 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 __DMA_LOCAL_H_INCLUDED__
17 #define __DMA_LOCAL_H_INCLUDED__
18 
19 #include <type_support.h>
20 #include "dma_global.h"
21 
22 #include <bits.h>				/* _hrt_get_bits() */
23 #include <hive_isp_css_defs.h>		/* HIVE_DMA_NUM_CHANNELS */
24 #include <dma_v2_defs.h>
25 
26 #define _DMA_FSM_GROUP_CMD_IDX						_DMA_V2_FSM_GROUP_CMD_IDX
27 #define _DMA_FSM_GROUP_ADDR_A_IDX					_DMA_V2_FSM_GROUP_ADDR_SRC_IDX
28 #define _DMA_FSM_GROUP_ADDR_B_IDX					_DMA_V2_FSM_GROUP_ADDR_DEST_IDX
29 
30 #define _DMA_FSM_GROUP_CMD_CTRL_IDX					_DMA_V2_FSM_GROUP_CMD_CTRL_IDX
31 
32 #define _DMA_FSM_GROUP_FSM_CTRL_IDX					_DMA_V2_FSM_GROUP_FSM_CTRL_IDX
33 #define _DMA_FSM_GROUP_FSM_CTRL_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_STATE_IDX
34 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_DEV_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_DEV_IDX
35 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_ADDR_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_ADDR_IDX
36 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_STRIDE_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_STRIDE_IDX
37 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_XB_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_XB_IDX
38 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_YB_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_YB_IDX
39 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_REQ_DEV_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_REQ_DEV_IDX
40 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_DEV_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_DEV_IDX
41 #define _DMA_FSM_GROUP_FSM_CTRL_WR_ADDR_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_WR_ADDR_IDX
42 #define _DMA_FSM_GROUP_FSM_CTRL_WR_STRIDE_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_WR_STRIDE_IDX
43 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_REQ_XB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_REQ_XB_IDX
44 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_YB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_YB_IDX
45 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_XB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_XB_IDX
46 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_ELEM_REQ_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_ELEM_REQ_IDX
47 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_ELEM_WR_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_ELEM_WR_IDX
48 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_S_Z_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_S_Z_IDX
49 
50 #define _DMA_FSM_GROUP_FSM_PACK_IDX					_DMA_V2_FSM_GROUP_FSM_PACK_IDX
51 #define _DMA_FSM_GROUP_FSM_PACK_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_PACK_STATE_IDX
52 #define _DMA_FSM_GROUP_FSM_PACK_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_PACK_CNT_YB_IDX
53 #define _DMA_FSM_GROUP_FSM_PACK_CNT_XB_REQ_IDX		_DMA_V2_FSM_GROUP_FSM_PACK_CNT_XB_REQ_IDX
54 #define _DMA_FSM_GROUP_FSM_PACK_CNT_XB_WR_IDX		_DMA_V2_FSM_GROUP_FSM_PACK_CNT_XB_WR_IDX
55 
56 #define _DMA_FSM_GROUP_FSM_REQ_IDX					_DMA_V2_FSM_GROUP_FSM_REQ_IDX
57 #define _DMA_FSM_GROUP_FSM_REQ_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_STATE_IDX
58 #define _DMA_FSM_GROUP_FSM_REQ_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_CNT_YB_IDX
59 #define _DMA_FSM_GROUP_FSM_REQ_CNT_XB_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_CNT_XB_IDX
60 
61 #define _DMA_FSM_GROUP_FSM_WR_IDX					_DMA_V2_FSM_GROUP_FSM_WR_IDX
62 #define _DMA_FSM_GROUP_FSM_WR_STATE_IDX				_DMA_V2_FSM_GROUP_FSM_WR_STATE_IDX
63 #define _DMA_FSM_GROUP_FSM_WR_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_WR_CNT_YB_IDX
64 #define _DMA_FSM_GROUP_FSM_WR_CNT_XB_IDX			_DMA_V2_FSM_GROUP_FSM_WR_CNT_XB_IDX
65 
66 #define _DMA_DEV_INTERF_MAX_BURST_IDX			_DMA_V2_DEV_INTERF_MAX_BURST_IDX
67 
68 /*
69  * Macro's to compute the DMA parameter register indices
70  */
71 #define DMA_SEL_COMP(comp)     (((comp)  & _hrt_ones(_DMA_V2_ADDR_SEL_COMP_BITS))            << _DMA_V2_ADDR_SEL_COMP_IDX)
72 #define DMA_SEL_CH(ch)         (((ch)    & _hrt_ones(_DMA_V2_ADDR_SEL_CH_REG_BITS))          << _DMA_V2_ADDR_SEL_CH_REG_IDX)
73 #define DMA_SEL_PARAM(param)   (((param) & _hrt_ones(_DMA_V2_ADDR_SEL_PARAM_BITS))           << _DMA_V2_ADDR_SEL_PARAM_IDX)
74 /* CG = Connection Group */
75 #define DMA_SEL_CG_INFO(info)  (((info)  & _hrt_ones(_DMA_V2_ADDR_SEL_GROUP_COMP_INFO_BITS)) << _DMA_V2_ADDR_SEL_GROUP_COMP_INFO_IDX)
76 #define DMA_SEL_CG_COMP(comp)  (((comp)  & _hrt_ones(_DMA_V2_ADDR_SEL_GROUP_COMP_BITS))      << _DMA_V2_ADDR_SEL_GROUP_COMP_IDX)
77 #define DMA_SEL_DEV_INFO(info) (((info)  & _hrt_ones(_DMA_V2_ADDR_SEL_DEV_INTERF_INFO_BITS)) << _DMA_V2_ADDR_SEL_DEV_INTERF_INFO_IDX)
78 #define DMA_SEL_DEV_ID(dev)    (((dev)   & _hrt_ones(_DMA_V2_ADDR_SEL_DEV_INTERF_IDX_BITS))  << _DMA_V2_ADDR_SEL_DEV_INTERF_IDX_IDX)
79 
80 #define DMA_COMMAND_FSM_REG_IDX					(DMA_SEL_COMP(_DMA_V2_SEL_FSM_CMD) >> 2)
81 #define DMA_CHANNEL_PARAM_REG_IDX(ch, param)	((DMA_SEL_COMP(_DMA_V2_SEL_CH_REG) | DMA_SEL_CH(ch) | DMA_SEL_PARAM(param)) >> 2)
82 #define DMA_CG_INFO_REG_IDX(info_id, comp_id)	((DMA_SEL_COMP(_DMA_V2_SEL_CONN_GROUP) | DMA_SEL_CG_INFO(info_id) | DMA_SEL_CG_COMP(comp_id)) >> 2)
83 #define DMA_DEV_INFO_REG_IDX(info_id, dev_id)	((DMA_SEL_COMP(_DMA_V2_SEL_DEV_INTERF) | DMA_SEL_DEV_INFO(info_id) | DMA_SEL_DEV_ID(dev_id)) >> 2)
84 #define DMA_RST_REG_IDX							(DMA_SEL_COMP(_DMA_V2_SEL_RESET) >> 2)
85 
86 #define DMA_GET_CONNECTION(val)    _hrt_get_bits(val, _DMA_V2_CONNECTION_IDX,    _DMA_V2_CONNECTION_BITS)
87 #define DMA_GET_EXTENSION(val)     _hrt_get_bits(val, _DMA_V2_EXTENSION_IDX,     _DMA_V2_EXTENSION_BITS)
88 #define DMA_GET_ELEMENTS(val)      _hrt_get_bits(val, _DMA_V2_ELEMENTS_IDX,      _DMA_V2_ELEMENTS_BITS)
89 #define DMA_GET_CROPPING(val)      _hrt_get_bits(val, _DMA_V2_LEFT_CROPPING_IDX, _DMA_V2_LEFT_CROPPING_BITS)
90 
91 #endif /* __DMA_LOCAL_H_INCLUDED__ */
92