bcm2835-unicam-regs.h

  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