summaryrefslogtreecommitdiffstats
path: root/drivers/staging/media/atomisp/pci/atomisp2/css2400/css_2401_csi2p_system/host/isys_stream2mmio_private.h
blob: 1603a09b621ad7c9e6d4532971e82d3e1f36182f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#ifndef __ISYS_STREAM2MMIO_PRIVATE_H_INCLUDED__
#define __ISYS_STREAM2MMIO_PRIVATE_H_INCLUDED__

#include "isys_stream2mmio_public.h"
#include "device_access.h"	/* ia_css_device_load_uint32 */
#include "assert_support.h"	/* assert */
#include "print_support.h"	/* print */

#define STREAM2MMIO_COMMAND_REG_ID             0
#define STREAM2MMIO_ACKNOWLEDGE_REG_ID         1
#define STREAM2MMIO_PIX_WIDTH_ID_REG_ID        2
#define STREAM2MMIO_START_ADDR_REG_ID          3      /* master port address,NOT Byte */
#define STREAM2MMIO_END_ADDR_REG_ID            4      /* master port address,NOT Byte */
#define STREAM2MMIO_STRIDE_REG_ID              5      /* stride in master port words, increment is per packet for long sids, stride is not used for short sid's*/
#define STREAM2MMIO_NUM_ITEMS_REG_ID           6      /* number of packets for store packets cmd, number of words for store_words cmd */
#define STREAM2MMIO_BLOCK_WHEN_NO_CMD_REG_ID   7      /* if this register is 1, input will be stalled if there is no pending command for this sid */
#define STREAM2MMIO_REGS_PER_SID               8

/*****************************************************
 *
 * Native command interface (NCI).
 *
 *****************************************************/
/**
 * @brief Get the stream2mmio-controller state.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C void stream2mmio_get_state(
		const stream2mmio_ID_t ID,
		stream2mmio_state_t *state)
{
	stream2mmio_sid_ID_t i;

	/*
	 * Get the values of the register-set per
	 * stream2mmio-controller sids.
	 */
	for (i = STREAM2MMIO_SID0_ID; i < N_STREAM2MMIO_SID_PROCS[ID]; i++) {
		stream2mmio_get_sid_state(ID, i, &(state->sid_state[i]));
	}
}

/**
 * @brief Get the state of the stream2mmio-controller sidess.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C void stream2mmio_get_sid_state(
		const stream2mmio_ID_t ID,
		const stream2mmio_sid_ID_t sid_id,
		stream2mmio_sid_state_t	*state)
{

	state->rcv_ack =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_ACKNOWLEDGE_REG_ID);

	state->pix_width_id =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_PIX_WIDTH_ID_REG_ID);

	state->start_addr =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_START_ADDR_REG_ID);

	state->end_addr =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_END_ADDR_REG_ID);

	state->strides =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_STRIDE_REG_ID);

	state->num_items =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_NUM_ITEMS_REG_ID);

	state->block_when_no_cmd =
		stream2mmio_reg_load(ID, sid_id, STREAM2MMIO_BLOCK_WHEN_NO_CMD_REG_ID);

}

/**
 * @brief Dump the state of the stream2mmio-controller sidess.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C void stream2mmio_print_sid_state(
		stream2mmio_sid_state_t	*state)
{
	ia_css_print("\t \t Receive acks 0x%x\n", state->rcv_ack);
	ia_css_print("\t \t Pixel width 0x%x\n", state->pix_width_id);
	ia_css_print("\t \t Startaddr 0x%x\n", state->start_addr);
	ia_css_print("\t \t Endaddr 0x%x\n", state->end_addr);
	ia_css_print("\t \t Strides 0x%x\n", state->strides);
	ia_css_print("\t \t Num Items 0x%x\n", state->num_items);
	ia_css_print("\t \t block when no cmd 0x%x\n", state->block_when_no_cmd);

}
/**
 * @brief Dump the ibuf-controller state.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C void stream2mmio_dump_state(
		const stream2mmio_ID_t ID,
		stream2mmio_state_t *state)
{
	stream2mmio_sid_ID_t i;

	/*
	 * Get the values of the register-set per
	 * stream2mmio-controller sids.
	 */
	for (i = STREAM2MMIO_SID0_ID; i < N_STREAM2MMIO_SID_PROCS[ID]; i++) {
		ia_css_print("StREAM2MMIO ID %d SID %d\n", ID, i);
		stream2mmio_print_sid_state(&(state->sid_state[i]));
	}
}
/** end of NCI */

/*****************************************************
 *
 * Device level interface (DLI).
 *
 *****************************************************/
/**
 * @brief Load the register value.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C hrt_data stream2mmio_reg_load(
		const stream2mmio_ID_t ID,
		const stream2mmio_sid_ID_t sid_id,
		const uint32_t reg_idx)
{
	uint32_t reg_bank_offset;

	assert(ID < N_STREAM2MMIO_ID);

	reg_bank_offset = STREAM2MMIO_REGS_PER_SID * sid_id;
	return ia_css_device_load_uint32(STREAM2MMIO_CTRL_BASE[ID] +
			(reg_bank_offset + reg_idx) * sizeof(hrt_data));
}


/**
 * @brief Store a value to the register.
 * Refer to "stream2mmio_public.h" for details.
 */
STORAGE_CLASS_STREAM2MMIO_C void stream2mmio_reg_store(
		const stream2mmio_ID_t ID,
		const hrt_address reg,
		const hrt_data value)
{
	assert(ID < N_STREAM2MMIO_ID);
	assert(STREAM2MMIO_CTRL_BASE[ID] != (hrt_address)-1);

	ia_css_device_store_uint32(STREAM2MMIO_CTRL_BASE[ID] +
		reg * sizeof(hrt_data), value);
}
/** end of DLI */

#endif /* __ISYS_STREAM2MMIO_PRIVATE_H_INCLUDED__ */
OpenPOWER on IntegriCloud