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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 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 _input_system_ctrl_defs_h
17 #define _input_system_ctrl_defs_h
18 
19 #define _INPUT_SYSTEM_CTRL_REG_ALIGN                    4  /* assuming 32 bit control bus width */
20 
21 /* --------------------------------------------------*/
22 
23 /* --------------------------------------------------*/
24 /* REGISTER INFO */
25 /* --------------------------------------------------*/
26 
27 // Number of registers
28 #define ISYS_CTRL_NOF_REGS                              23
29 
30 // Register id's of MMIO slave accesible registers
31 #define ISYS_CTRL_CAPT_START_ADDR_A_REG_ID              0
32 #define ISYS_CTRL_CAPT_START_ADDR_B_REG_ID              1
33 #define ISYS_CTRL_CAPT_START_ADDR_C_REG_ID              2
34 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_A_REG_ID         3
35 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_B_REG_ID         4
36 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_C_REG_ID         5
37 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_A_REG_ID         6
38 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_B_REG_ID         7
39 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_C_REG_ID         8
40 #define ISYS_CTRL_ACQ_START_ADDR_REG_ID                 9
41 #define ISYS_CTRL_ACQ_MEM_REGION_SIZE_REG_ID            10
42 #define ISYS_CTRL_ACQ_NUM_MEM_REGIONS_REG_ID            11
43 #define ISYS_CTRL_INIT_REG_ID                           12
44 #define ISYS_CTRL_LAST_COMMAND_REG_ID                   13
45 #define ISYS_CTRL_NEXT_COMMAND_REG_ID                   14
46 #define ISYS_CTRL_LAST_ACKNOWLEDGE_REG_ID               15
47 #define ISYS_CTRL_NEXT_ACKNOWLEDGE_REG_ID               16
48 #define ISYS_CTRL_FSM_STATE_INFO_REG_ID                 17
49 #define ISYS_CTRL_CAPT_A_FSM_STATE_INFO_REG_ID          18
50 #define ISYS_CTRL_CAPT_B_FSM_STATE_INFO_REG_ID          19
51 #define ISYS_CTRL_CAPT_C_FSM_STATE_INFO_REG_ID          20
52 #define ISYS_CTRL_ACQ_FSM_STATE_INFO_REG_ID             21
53 #define ISYS_CTRL_CAPT_RESERVE_ONE_MEM_REGION_REG_ID    22
54 
55 /* register reset value */
56 #define ISYS_CTRL_CAPT_START_ADDR_A_REG_RSTVAL           0
57 #define ISYS_CTRL_CAPT_START_ADDR_B_REG_RSTVAL           0
58 #define ISYS_CTRL_CAPT_START_ADDR_C_REG_RSTVAL           0
59 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_A_REG_RSTVAL      128
60 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_B_REG_RSTVAL      128
61 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_C_REG_RSTVAL      128
62 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_A_REG_RSTVAL      3
63 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_B_REG_RSTVAL      3
64 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_C_REG_RSTVAL      3
65 #define ISYS_CTRL_ACQ_START_ADDR_REG_RSTVAL              0
66 #define ISYS_CTRL_ACQ_MEM_REGION_SIZE_REG_RSTVAL         128
67 #define ISYS_CTRL_ACQ_NUM_MEM_REGIONS_REG_RSTVAL         3
68 #define ISYS_CTRL_INIT_REG_RSTVAL                        0
69 #define ISYS_CTRL_LAST_COMMAND_REG_RSTVAL                15    //0x0000_000F (to signal non-valid cmd/ack after reset/soft-reset)
70 #define ISYS_CTRL_NEXT_COMMAND_REG_RSTVAL                15    //0x0000_000F (to signal non-valid cmd/ack after reset/soft-reset)
71 #define ISYS_CTRL_LAST_ACKNOWLEDGE_REG_RSTVAL            15    //0x0000_000F (to signal non-valid cmd/ack after reset/soft-reset)
72 #define ISYS_CTRL_NEXT_ACKNOWLEDGE_REG_RSTVAL            15    //0x0000_000F (to signal non-valid cmd/ack after reset/soft-reset)
73 #define ISYS_CTRL_FSM_STATE_INFO_REG_RSTVAL              0
74 #define ISYS_CTRL_CAPT_A_FSM_STATE_INFO_REG_RSTVAL       0
75 #define ISYS_CTRL_CAPT_B_FSM_STATE_INFO_REG_RSTVAL       0
76 #define ISYS_CTRL_CAPT_C_FSM_STATE_INFO_REG_RSTVAL       0
77 #define ISYS_CTRL_ACQ_FSM_STATE_INFO_REG_RSTVAL          0
78 #define ISYS_CTRL_CAPT_RESERVE_ONE_MEM_REGION_REG_RSTVAL 0
79 
80 /* register width value */
81 #define ISYS_CTRL_CAPT_START_ADDR_A_REG_WIDTH            9
82 #define ISYS_CTRL_CAPT_START_ADDR_B_REG_WIDTH            9
83 #define ISYS_CTRL_CAPT_START_ADDR_C_REG_WIDTH            9
84 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_A_REG_WIDTH       9
85 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_B_REG_WIDTH       9
86 #define ISYS_CTRL_CAPT_MEM_REGION_SIZE_C_REG_WIDTH       9
87 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_A_REG_WIDTH       9
88 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_B_REG_WIDTH       9
89 #define ISYS_CTRL_CAPT_NUM_MEM_REGIONS_C_REG_WIDTH       9
90 #define ISYS_CTRL_ACQ_START_ADDR_REG_WIDTH               9
91 #define ISYS_CTRL_ACQ_MEM_REGION_SIZE_REG_WIDTH          9
92 #define ISYS_CTRL_ACQ_NUM_MEM_REGIONS_REG_WIDTH          9
93 #define ISYS_CTRL_INIT_REG_WIDTH                         3
94 #define ISYS_CTRL_LAST_COMMAND_REG_WIDTH                 32    /* slave data width */
95 #define ISYS_CTRL_NEXT_COMMAND_REG_WIDTH                 32
96 #define ISYS_CTRL_LAST_ACKNOWLEDGE_REG_WIDTH             32
97 #define ISYS_CTRL_NEXT_ACKNOWLEDGE_REG_WIDTH             32
98 #define ISYS_CTRL_FSM_STATE_INFO_REG_WIDTH               32
99 #define ISYS_CTRL_CAPT_A_FSM_STATE_INFO_REG_WIDTH        32
100 #define ISYS_CTRL_CAPT_B_FSM_STATE_INFO_REG_WIDTH        32
101 #define ISYS_CTRL_CAPT_C_FSM_STATE_INFO_REG_WIDTH        32
102 #define ISYS_CTRL_ACQ_FSM_STATE_INFO_REG_WIDTH           32
103 #define ISYS_CTRL_CAPT_RESERVE_ONE_MEM_REGION_REG_WIDTH  1
104 
105 /* bit definitions */
106 
107 /* --------------------------------------------------*/
108 /* TOKEN INFO */
109 /* --------------------------------------------------*/
110 
111 /*
112 InpSysCaptFramesAcq  1/0  [3:0] - 'b0000
113 [7:4] - CaptPortId,
114 	   CaptA-'b0000
115 	   CaptB-'b0001
116 	   CaptC-'b0010
117 [31:16] - NOF_frames
118 InpSysCaptFrameExt  2/0  [3:0] - 'b0001'
119 [7:4] - CaptPortId,
120 	   'b0000 - CaptA
121 	   'b0001 - CaptB
122 	   'b0010 - CaptC
123 
124   2/1  [31:0] - external capture address
125 InpSysAcqFrame  2/0  [3:0] - 'b0010,
126 [31:4] - NOF_ext_mem_words
127   2/1  [31:0] - external memory read start address
128 InpSysOverruleON  1/0  [3:0] - 'b0011,
129 [7:4] - overrule port id (opid)
130 	   'b0000 - CaptA
131 	   'b0001 - CaptB
132 	   'b0010 - CaptC
133 	   'b0011 - Acq
134 	   'b0100 - DMA
135 
136 InpSysOverruleOFF  1/0  [3:0] - 'b0100,
137 [7:4] - overrule port id (opid)
138 	   'b0000 - CaptA
139 	   'b0001 - CaptB
140 	   'b0010 - CaptC
141 	   'b0011 - Acq
142 	   'b0100 - DMA
143 
144 InpSysOverruleCmd  2/0  [3:0] - 'b0101,
145 [7:4] - overrule port id (opid)
146 	   'b0000 - CaptA
147 	   'b0001 - CaptB
148 	   'b0010 - CaptC
149 	   'b0011 - Acq
150 	   'b0100 - DMA
151 
152   2/1  [31:0] - command token value for port opid
153 
154 acknowledge tokens:
155 
156 InpSysAckCFA  1/0   [3:0] - 'b0000
157  [7:4] - CaptPortId,
158 	   CaptA-'b0000
159 	   CaptB- 'b0001
160 	   CaptC-'b0010
161  [31:16] - NOF_frames
162 InpSysAckCFE  1/0  [3:0] - 'b0001'
163 [7:4] - CaptPortId,
164 	   'b0000 - CaptA
165 	   'b0001 - CaptB
166 	   'b0010 - CaptC
167 
168 InpSysAckAF  1/0  [3:0] - 'b0010
169 InpSysAckOverruleON  1/0  [3:0] - 'b0011,
170 [7:4] - overrule port id (opid)
171 	   'b0000 - CaptA
172 	   'b0001 - CaptB
173 	   'b0010 - CaptC
174 	   'b0011 - Acq
175 	   'b0100 - DMA
176 
177 InpSysAckOverruleOFF  1/0  [3:0] - 'b0100,
178 [7:4] - overrule port id (opid)
179 	   'b0000 - CaptA
180 	   'b0001 - CaptB
181 	   'b0010 - CaptC
182 	   'b0011 - Acq
183 	   'b0100 - DMA
184 
185 InpSysAckOverrule  2/0  [3:0] - 'b0101,
186 [7:4] - overrule port id (opid)
187 	   'b0000 - CaptA
188 	   'b0001 - CaptB
189 	   'b0010 - CaptC
190 	   'b0011 - Acq
191 	   'b0100 - DMA
192 
193   2/1  [31:0] - acknowledge token value from port opid
194 
195 */
196 
197 /* Command and acknowledge tokens IDs */
198 #define ISYS_CTRL_CAPT_FRAMES_ACQ_TOKEN_ID        0 /* 0000b */
199 #define ISYS_CTRL_CAPT_FRAME_EXT_TOKEN_ID         1 /* 0001b */
200 #define ISYS_CTRL_ACQ_FRAME_TOKEN_ID              2 /* 0010b */
201 #define ISYS_CTRL_OVERRULE_ON_TOKEN_ID            3 /* 0011b */
202 #define ISYS_CTRL_OVERRULE_OFF_TOKEN_ID           4 /* 0100b */
203 #define ISYS_CTRL_OVERRULE_TOKEN_ID               5 /* 0101b */
204 
205 #define ISYS_CTRL_ACK_CFA_TOKEN_ID                0
206 #define ISYS_CTRL_ACK_CFE_TOKEN_ID                1
207 #define ISYS_CTRL_ACK_AF_TOKEN_ID                 2
208 #define ISYS_CTRL_ACK_OVERRULE_ON_TOKEN_ID        3
209 #define ISYS_CTRL_ACK_OVERRULE_OFF_TOKEN_ID       4
210 #define ISYS_CTRL_ACK_OVERRULE_TOKEN_ID           5
211 #define ISYS_CTRL_ACK_DEVICE_ERROR_TOKEN_ID       6
212 
213 #define ISYS_CTRL_TOKEN_ID_MSB                    3
214 #define ISYS_CTRL_TOKEN_ID_LSB                    0
215 #define ISYS_CTRL_PORT_ID_TOKEN_MSB               7
216 #define ISYS_CTRL_PORT_ID_TOKEN_LSB               4
217 #define ISYS_CTRL_NOF_CAPT_TOKEN_MSB              31
218 #define ISYS_CTRL_NOF_CAPT_TOKEN_LSB              16
219 #define ISYS_CTRL_NOF_EXT_TOKEN_MSB               31
220 #define ISYS_CTRL_NOF_EXT_TOKEN_LSB               8
221 
222 #define ISYS_CTRL_TOKEN_ID_IDX                    0
223 #define ISYS_CTRL_TOKEN_ID_BITS                   (ISYS_CTRL_TOKEN_ID_MSB - ISYS_CTRL_TOKEN_ID_LSB + 1)
224 #define ISYS_CTRL_PORT_ID_IDX                     (ISYS_CTRL_TOKEN_ID_IDX + ISYS_CTRL_TOKEN_ID_BITS)
225 #define ISYS_CTRL_PORT_ID_BITS                    (ISYS_CTRL_PORT_ID_TOKEN_MSB - ISYS_CTRL_PORT_ID_TOKEN_LSB + 1)
226 #define ISYS_CTRL_NOF_CAPT_IDX                    ISYS_CTRL_NOF_CAPT_TOKEN_LSB
227 #define ISYS_CTRL_NOF_CAPT_BITS                   (ISYS_CTRL_NOF_CAPT_TOKEN_MSB - ISYS_CTRL_NOF_CAPT_TOKEN_LSB + 1)
228 #define ISYS_CTRL_NOF_EXT_IDX                     ISYS_CTRL_NOF_EXT_TOKEN_LSB
229 #define ISYS_CTRL_NOF_EXT_BITS                    (ISYS_CTRL_NOF_EXT_TOKEN_MSB - ISYS_CTRL_NOF_EXT_TOKEN_LSB + 1)
230 
231 #define ISYS_CTRL_PORT_ID_CAPT_A                  0 /* device ID for capture unit A      */
232 #define ISYS_CTRL_PORT_ID_CAPT_B                  1 /* device ID for capture unit B      */
233 #define ISYS_CTRL_PORT_ID_CAPT_C                  2 /* device ID for capture unit C      */
234 #define ISYS_CTRL_PORT_ID_ACQUISITION             3 /* device ID for acquistion unit     */
235 #define ISYS_CTRL_PORT_ID_DMA_CAPT_A              4 /* device ID for dma unit            */
236 #define ISYS_CTRL_PORT_ID_DMA_CAPT_B              5 /* device ID for dma unit            */
237 #define ISYS_CTRL_PORT_ID_DMA_CAPT_C              6 /* device ID for dma unit            */
238 #define ISYS_CTRL_PORT_ID_DMA_ACQ                 7 /* device ID for dma unit            */
239 
240 #define ISYS_CTRL_NO_ACQ_ACK                      16 /* no ack from acquisition unit */
241 #define ISYS_CTRL_NO_DMA_ACK                      0
242 #define ISYS_CTRL_NO_CAPT_ACK                     16
243 
244 #endif /* _input_system_ctrl_defs_h */
245