1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 /*
4  * Copyright (C) 2017-2020 Raspberry Pi Trading.
5  * Dave Stevenson <dave.stevenson@raspberrypi.com>
6  */
7 
8 #ifndef VC4_REGS_UNICAM_H
9 #define VC4_REGS_UNICAM_H
10 
11 #include <linux/bits.h>
12 
13 /*
14  * The following values are taken from files found within the code drop
15  * made by Broadcom for the BCM21553 Graphics Driver, predominantly in
16  * brcm_usrlib/dag/vmcsx/vcinclude/hardware_vc4.h.
17  * They have been modified to be only the register offset.
18  */
19 #define UNICAM_CTRL		0x000
20 #define UNICAM_STA		0x004
21 #define UNICAM_ANA		0x008
22 #define UNICAM_PRI		0x00c
23 #define UNICAM_CLK		0x010
24 #define UNICAM_CLT		0x014
25 #define UNICAM_DAT0		0x018
26 #define UNICAM_DAT1		0x01c
27 #define UNICAM_DAT2		0x020
28 #define UNICAM_DAT3		0x024
29 #define UNICAM_DLT		0x028
30 #define UNICAM_CMP0		0x02c
31 #define UNICAM_CMP1		0x030
32 #define UNICAM_CAP0		0x034
33 #define UNICAM_CAP1		0x038
34 #define UNICAM_ICTL		0x100
35 #define UNICAM_ISTA		0x104
36 #define UNICAM_IDI0		0x108
37 #define UNICAM_IPIPE		0x10c
38 #define UNICAM_IBSA0		0x110
39 #define UNICAM_IBEA0		0x114
40 #define UNICAM_IBLS		0x118
41 #define UNICAM_IBWP		0x11c
42 #define UNICAM_IHWIN		0x120
43 #define UNICAM_IHSTA		0x124
44 #define UNICAM_IVWIN		0x128
45 #define UNICAM_IVSTA		0x12c
46 #define UNICAM_ICC		0x130
47 #define UNICAM_ICS		0x134
48 #define UNICAM_IDC		0x138
49 #define UNICAM_IDPO		0x13c
50 #define UNICAM_IDCA		0x140
51 #define UNICAM_IDCD		0x144
52 #define UNICAM_IDS		0x148
53 #define UNICAM_DCS		0x200
54 #define UNICAM_DBSA0		0x204
55 #define UNICAM_DBEA0		0x208
56 #define UNICAM_DBWP		0x20c
57 #define UNICAM_DBCTL		0x300
58 #define UNICAM_IBSA1		0x304
59 #define UNICAM_IBEA1		0x308
60 #define UNICAM_IDI1		0x30c
61 #define UNICAM_DBSA1		0x310
62 #define UNICAM_DBEA1		0x314
63 #define UNICAM_MISC		0x400
64 
65 /*
66  * The following bitmasks are from the kernel released by Broadcom
67  * for Android - https://android.googlesource.com/kernel/bcm/
68  * The Rhea, Hawaii, and Java chips all contain the same VideoCore4
69  * Unicam block as BCM2835, as defined in eg
70  * arch/arm/mach-rhea/include/mach/rdb_A0/brcm_rdb_cam.h and similar.
71  * Values reworked to use the kernel BIT and GENMASK macros.
72  *
73  * Some of the bit mnenomics have been amended to match the datasheet.
74  */
75 /* UNICAM_CTRL Register */
76 #define UNICAM_CPE		BIT(0)
77 #define UNICAM_MEM		BIT(1)
78 #define UNICAM_CPR		BIT(2)
79 #define UNICAM_CPM_MASK		GENMASK(3, 3)
80 #define UNICAM_CPM_CSI2		0
81 #define UNICAM_CPM_CCP2		1
82 #define UNICAM_SOE		BIT(4)
83 #define UNICAM_DCM_MASK		GENMASK(5, 5)
84 #define UNICAM_DCM_STROBE	0
85 #define UNICAM_DCM_DATA		1
86 #define UNICAM_SLS		BIT(6)
87 #define UNICAM_PFT_MASK		GENMASK(11, 8)
88 #define UNICAM_OET_MASK		GENMASK(20, 12)
89 
90 /* UNICAM_STA Register */
91 #define UNICAM_SYN		BIT(0)
92 #define UNICAM_CS		BIT(1)
93 #define UNICAM_SBE		BIT(2)
94 #define UNICAM_PBE		BIT(3)
95 #define UNICAM_HOE		BIT(4)
96 #define UNICAM_PLE		BIT(5)
97 #define UNICAM_SSC		BIT(6)
98 #define UNICAM_CRCE		BIT(7)
99 #define UNICAM_OES		BIT(8)
100 #define UNICAM_IFO		BIT(9)
101 #define UNICAM_OFO		BIT(10)
102 #define UNICAM_BFO		BIT(11)
103 #define UNICAM_DL		BIT(12)
104 #define UNICAM_PS		BIT(13)
105 #define UNICAM_IS		BIT(14)
106 #define UNICAM_PI0		BIT(15)
107 #define UNICAM_PI1		BIT(16)
108 #define UNICAM_FSI_S		BIT(17)
109 #define UNICAM_FEI_S		BIT(18)
110 #define UNICAM_LCI_S		BIT(19)
111 #define UNICAM_BUF0_RDY		BIT(20)
112 #define UNICAM_BUF0_NO		BIT(21)
113 #define UNICAM_BUF1_RDY		BIT(22)
114 #define UNICAM_BUF1_NO		BIT(23)
115 #define UNICAM_DI		BIT(24)
116 
117 #define UNICAM_STA_MASK_ALL \
118 	(UNICAM_SBE  | UNICAM_PBE | UNICAM_HOE | UNICAM_PLE | UNICAM_SSC | \
119 	 UNICAM_CRCE | UNICAM_IFO | UNICAM_OFO | UNICAM_DL  | UNICAM_PS  | \
120 	 UNICAM_PI0  | UNICAM_PI1)
121 
122 /* UNICAM_ANA Register */
123 #define UNICAM_APD		BIT(0)
124 #define UNICAM_BPD		BIT(1)
125 #define UNICAM_AR		BIT(2)
126 #define UNICAM_DDL		BIT(3)
127 #define UNICAM_CTATADJ_MASK	GENMASK(7, 4)
128 #define UNICAM_PTATADJ_MASK	GENMASK(11, 8)
129 
130 /* UNICAM_PRI Register */
131 #define UNICAM_PE		BIT(0)
132 #define UNICAM_PT_MASK		GENMASK(2, 1)
133 #define UNICAM_NP_MASK		GENMASK(7, 4)
134 #define UNICAM_PP_MASK		GENMASK(11, 8)
135 #define UNICAM_BS_MASK		GENMASK(15, 12)
136 #define UNICAM_BL_MASK		GENMASK(17, 16)
137 
138 /* UNICAM_CLK Register */
139 #define UNICAM_CLE		BIT(0)
140 #define UNICAM_CLPD		BIT(1)
141 #define UNICAM_CLLPE		BIT(2)
142 #define UNICAM_CLHSE		BIT(3)
143 #define UNICAM_CLTRE		BIT(4)
144 #define UNICAM_CLAC_MASK	GENMASK(8, 5)
145 #define UNICAM_CLSTE		BIT(29)
146 
147 /* UNICAM_CLT Register */
148 #define UNICAM_CLT1_MASK	GENMASK(7, 0)
149 #define UNICAM_CLT2_MASK	GENMASK(15, 8)
150 
151 /* UNICAM_DATn Registers */
152 #define UNICAM_DLE		BIT(0)
153 #define UNICAM_DLPD		BIT(1)
154 #define UNICAM_DLLPE		BIT(2)
155 #define UNICAM_DLHSE		BIT(3)
156 #define UNICAM_DLTRE		BIT(4)
157 #define UNICAM_DLSM		BIT(5)
158 #define UNICAM_DLFO		BIT(28)
159 #define UNICAM_DLSTE		BIT(29)
160 
161 #define UNICAM_DAT_MASK_ALL	(UNICAM_DLSTE | UNICAM_DLFO)
162 
163 /* UNICAM_DLT Register */
164 #define UNICAM_DLT1_MASK	GENMASK(7, 0)
165 #define UNICAM_DLT2_MASK	GENMASK(15, 8)
166 #define UNICAM_DLT3_MASK	GENMASK(23, 16)
167 
168 /* UNICAM_ICTL Register */
169 #define UNICAM_FSIE		BIT(0)
170 #define UNICAM_FEIE		BIT(1)
171 #define UNICAM_IBOB		BIT(2)
172 #define UNICAM_FCM		BIT(3)
173 #define UNICAM_TFC		BIT(4)
174 #define UNICAM_LIP_MASK		GENMASK(6, 5)
175 #define UNICAM_LCIE_MASK	GENMASK(28, 16)
176 
177 /* UNICAM_IDI0/1 Register */
178 #define UNICAM_ID0_MASK		GENMASK(7, 0)
179 #define UNICAM_ID1_MASK		GENMASK(15, 8)
180 #define UNICAM_ID2_MASK		GENMASK(23, 16)
181 #define UNICAM_ID3_MASK		GENMASK(31, 24)
182 
183 /* UNICAM_ISTA Register */
184 #define UNICAM_FSI		BIT(0)
185 #define UNICAM_FEI		BIT(1)
186 #define UNICAM_LCI		BIT(2)
187 
188 #define UNICAM_ISTA_MASK_ALL	(UNICAM_FSI | UNICAM_FEI | UNICAM_LCI)
189 
190 /* UNICAM_IPIPE Register */
191 #define UNICAM_PUM_MASK		GENMASK(2, 0)
192 /* Unpacking modes */
193 #define UNICAM_PUM_NONE		0
194 #define UNICAM_PUM_UNPACK6	1
195 #define UNICAM_PUM_UNPACK7	2
196 #define UNICAM_PUM_UNPACK8	3
197 #define UNICAM_PUM_UNPACK10	4
198 #define UNICAM_PUM_UNPACK12	5
199 #define UNICAM_PUM_UNPACK14	6
200 #define UNICAM_PUM_UNPACK16	7
201 #define UNICAM_DDM_MASK		GENMASK(6, 3)
202 #define UNICAM_PPM_MASK		GENMASK(9, 7)
203 /* Packing modes */
204 #define UNICAM_PPM_NONE		0
205 #define UNICAM_PPM_PACK8	1
206 #define UNICAM_PPM_PACK10	2
207 #define UNICAM_PPM_PACK12	3
208 #define UNICAM_PPM_PACK14	4
209 #define UNICAM_PPM_PACK16	5
210 #define UNICAM_DEM_MASK		GENMASK(11, 10)
211 #define UNICAM_DEBL_MASK	GENMASK(14, 12)
212 #define UNICAM_ICM_MASK		GENMASK(16, 15)
213 #define UNICAM_IDM_MASK		GENMASK(17, 17)
214 
215 /* UNICAM_ICC Register */
216 #define UNICAM_ICFL_MASK	GENMASK(4, 0)
217 #define UNICAM_ICFH_MASK	GENMASK(9, 5)
218 #define UNICAM_ICST_MASK	GENMASK(12, 10)
219 #define UNICAM_ICLT_MASK	GENMASK(15, 13)
220 #define UNICAM_ICLL_MASK	GENMASK(31, 16)
221 
222 /* UNICAM_DCS Register */
223 #define UNICAM_DIE		BIT(0)
224 #define UNICAM_DIM		BIT(1)
225 #define UNICAM_DBOB		BIT(3)
226 #define UNICAM_FDE		BIT(4)
227 #define UNICAM_LDP		BIT(5)
228 #define UNICAM_EDL_MASK		GENMASK(15, 8)
229 
230 /* UNICAM_DBCTL Register */
231 #define UNICAM_DBEN		BIT(0)
232 #define UNICAM_BUF0_IE		BIT(1)
233 #define UNICAM_BUF1_IE		BIT(2)
234 
235 /* UNICAM_CMP[0,1] register */
236 #define UNICAM_PCE		BIT(31)
237 #define UNICAM_GI		BIT(9)
238 #define UNICAM_CPH		BIT(8)
239 #define UNICAM_PCVC_MASK	GENMASK(7, 6)
240 #define UNICAM_PCDT_MASK	GENMASK(5, 0)
241 
242 /* UNICAM_MISC register */
243 #define UNICAM_FL0		BIT(6)
244 #define UNICAM_FL1		BIT(9)
245 
246 #endif
247