xref: /linux/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/dma_local.h (revision c771600c6af14749609b49565ffb4cac2959710d)
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 
7 #ifndef __DMA_LOCAL_H_INCLUDED__
8 #define __DMA_LOCAL_H_INCLUDED__
9 
10 #include <type_support.h>
11 #include "dma_global.h"
12 
13 #include <bits.h>				/* _hrt_get_bits() */
14 #include <hive_isp_css_defs.h>		/* HIVE_DMA_NUM_CHANNELS */
15 #include <dma_v2_defs.h>
16 
17 #define _DMA_FSM_GROUP_CMD_IDX						_DMA_V2_FSM_GROUP_CMD_IDX
18 #define _DMA_FSM_GROUP_ADDR_A_IDX					_DMA_V2_FSM_GROUP_ADDR_SRC_IDX
19 #define _DMA_FSM_GROUP_ADDR_B_IDX					_DMA_V2_FSM_GROUP_ADDR_DEST_IDX
20 
21 #define _DMA_FSM_GROUP_CMD_CTRL_IDX					_DMA_V2_FSM_GROUP_CMD_CTRL_IDX
22 
23 #define _DMA_FSM_GROUP_FSM_CTRL_IDX					_DMA_V2_FSM_GROUP_FSM_CTRL_IDX
24 #define _DMA_FSM_GROUP_FSM_CTRL_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_STATE_IDX
25 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_DEV_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_DEV_IDX
26 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_ADDR_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_ADDR_IDX
27 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_STRIDE_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_STRIDE_IDX
28 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_XB_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_XB_IDX
29 #define _DMA_FSM_GROUP_FSM_CTRL_REQ_YB_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_REQ_YB_IDX
30 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_REQ_DEV_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_REQ_DEV_IDX
31 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_DEV_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_DEV_IDX
32 #define _DMA_FSM_GROUP_FSM_CTRL_WR_ADDR_IDX			_DMA_V2_FSM_GROUP_FSM_CTRL_WR_ADDR_IDX
33 #define _DMA_FSM_GROUP_FSM_CTRL_WR_STRIDE_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_WR_STRIDE_IDX
34 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_REQ_XB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_REQ_XB_IDX
35 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_YB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_YB_IDX
36 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_WR_XB_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_WR_XB_IDX
37 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_ELEM_REQ_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_ELEM_REQ_IDX
38 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_ELEM_WR_IDX	_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_ELEM_WR_IDX
39 #define _DMA_FSM_GROUP_FSM_CTRL_PACK_S_Z_IDX		_DMA_V2_FSM_GROUP_FSM_CTRL_PACK_S_Z_IDX
40 
41 #define _DMA_FSM_GROUP_FSM_PACK_IDX					_DMA_V2_FSM_GROUP_FSM_PACK_IDX
42 #define _DMA_FSM_GROUP_FSM_PACK_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_PACK_STATE_IDX
43 #define _DMA_FSM_GROUP_FSM_PACK_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_PACK_CNT_YB_IDX
44 #define _DMA_FSM_GROUP_FSM_PACK_CNT_XB_REQ_IDX		_DMA_V2_FSM_GROUP_FSM_PACK_CNT_XB_REQ_IDX
45 #define _DMA_FSM_GROUP_FSM_PACK_CNT_XB_WR_IDX		_DMA_V2_FSM_GROUP_FSM_PACK_CNT_XB_WR_IDX
46 
47 #define _DMA_FSM_GROUP_FSM_REQ_IDX					_DMA_V2_FSM_GROUP_FSM_REQ_IDX
48 #define _DMA_FSM_GROUP_FSM_REQ_STATE_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_STATE_IDX
49 #define _DMA_FSM_GROUP_FSM_REQ_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_CNT_YB_IDX
50 #define _DMA_FSM_GROUP_FSM_REQ_CNT_XB_IDX			_DMA_V2_FSM_GROUP_FSM_REQ_CNT_XB_IDX
51 
52 #define _DMA_FSM_GROUP_FSM_WR_IDX					_DMA_V2_FSM_GROUP_FSM_WR_IDX
53 #define _DMA_FSM_GROUP_FSM_WR_STATE_IDX				_DMA_V2_FSM_GROUP_FSM_WR_STATE_IDX
54 #define _DMA_FSM_GROUP_FSM_WR_CNT_YB_IDX			_DMA_V2_FSM_GROUP_FSM_WR_CNT_YB_IDX
55 #define _DMA_FSM_GROUP_FSM_WR_CNT_XB_IDX			_DMA_V2_FSM_GROUP_FSM_WR_CNT_XB_IDX
56 
57 #define _DMA_DEV_INTERF_MAX_BURST_IDX			_DMA_V2_DEV_INTERF_MAX_BURST_IDX
58 
59 /*
60  * Macro's to compute the DMA parameter register indices
61  */
62 #define DMA_SEL_COMP(comp)     (((comp)  & _hrt_ones(_DMA_V2_ADDR_SEL_COMP_BITS))            << _DMA_V2_ADDR_SEL_COMP_IDX)
63 #define DMA_SEL_CH(ch)         (((ch)    & _hrt_ones(_DMA_V2_ADDR_SEL_CH_REG_BITS))          << _DMA_V2_ADDR_SEL_CH_REG_IDX)
64 #define DMA_SEL_PARAM(param)   (((param) & _hrt_ones(_DMA_V2_ADDR_SEL_PARAM_BITS))           << _DMA_V2_ADDR_SEL_PARAM_IDX)
65 /* CG = Connection Group */
66 #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)
67 #define DMA_SEL_CG_COMP(comp)  (((comp)  & _hrt_ones(_DMA_V2_ADDR_SEL_GROUP_COMP_BITS))      << _DMA_V2_ADDR_SEL_GROUP_COMP_IDX)
68 #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)
69 #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)
70 
71 #define DMA_COMMAND_FSM_REG_IDX					(DMA_SEL_COMP(_DMA_V2_SEL_FSM_CMD) >> 2)
72 #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)
73 #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)
74 #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)
75 #define DMA_RST_REG_IDX							(DMA_SEL_COMP(_DMA_V2_SEL_RESET) >> 2)
76 
77 #define DMA_GET_CONNECTION(val)    _hrt_get_bits(val, _DMA_V2_CONNECTION_IDX,    _DMA_V2_CONNECTION_BITS)
78 #define DMA_GET_EXTENSION(val)     _hrt_get_bits(val, _DMA_V2_EXTENSION_IDX,     _DMA_V2_EXTENSION_BITS)
79 #define DMA_GET_ELEMENTS(val)      _hrt_get_bits(val, _DMA_V2_ELEMENTS_IDX,      _DMA_V2_ELEMENTS_BITS)
80 #define DMA_GET_CROPPING(val)      _hrt_get_bits(val, _DMA_V2_LEFT_CROPPING_IDX, _DMA_V2_LEFT_CROPPING_BITS)
81 
82 #endif /* __DMA_LOCAL_H_INCLUDED__ */
83