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