xref: /linux/drivers/net/wan/framer/pef2256/pef2256-regs.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * PEF2256 registers definition
4  *
5  * Copyright 2023 CS GROUP France
6  *
7  * Author: Herve Codina <herve.codina@bootlin.com>
8  */
9 #ifndef __PEF2256_REGS_H__
10 #define __PEF2256_REGS_H__
11 
12 #include "linux/bitfield.h"
13 
14 /* Command Register */
15 #define PEF2256_CMDR		0x02
16 #define PEF2256_CMDR_RRES	BIT(6)
17 #define PEF2256_CMDR_XRES	BIT(4)
18 #define PEF2256_CMDR_SRES	BIT(0)
19 
20 /* Interrupt Mask Register 0..5 */
21 #define PEF2256_IMR0	        0x14
22 #define PEF2256_IMR1	        0x15
23 #define PEF2256_IMR2	        0x16
24 #define PEF2256_IMR3	        0x17
25 #define PEF2256_IMR4	        0x18
26 #define PEF2256_IMR5	        0x19
27 
28 /* Framer Mode Register 0 */
29 #define PEF2256_FMR0		0x1C
30 #define PEF2256_FMR0_XC_MASK	GENMASK(7, 6)
31 #define PEF2256_FMR0_XC_NRZ	FIELD_PREP_CONST(PEF2256_FMR0_XC_MASK, 0x0)
32 #define PEF2256_FMR0_XC_CMI	FIELD_PREP_CONST(PEF2256_FMR0_XC_MASK, 0x1)
33 #define PEF2256_FMR0_XC_AMI	FIELD_PREP_CONST(PEF2256_FMR0_XC_MASK, 0x2)
34 #define PEF2256_FMR0_XC_HDB3	FIELD_PREP_CONST(PEF2256_FMR0_XC_MASK, 0x3)
35 #define PEF2256_FMR0_RC_MASK	GENMASK(5, 4)
36 #define PEF2256_FMR0_RC_NRZ	FIELD_PREP_CONST(PEF2256_FMR0_RC_MASK, 0x0)
37 #define PEF2256_FMR0_RC_CMI	FIELD_PREP_CONST(PEF2256_FMR0_RC_MASK, 0x1)
38 #define PEF2256_FMR0_RC_AMI	FIELD_PREP_CONST(PEF2256_FMR0_RC_MASK, 0x2)
39 #define PEF2256_FMR0_RC_HDB3	FIELD_PREP_CONST(PEF2256_FMR0_RC_MASK, 0x3)
40 
41 /* Framer Mode Register 1 */
42 #define PEF2256_FMR1		0x1D
43 #define PEF2256_FMR1_XFS	BIT(3)
44 #define PEF2256_FMR1_ECM	BIT(2)
45 /* SSD is defined on 2 bits. The other bit is on SIC1 register */
46 #define PEF2256_FMR1_SSD_MASK	GENMASK(1, 1)
47 #define PEF2256_FMR1_SSD_2048	FIELD_PREP_CONST(PEF2256_FMR1_SSD_MASK, 0x0)
48 #define PEF2256_FMR1_SSD_4096	FIELD_PREP_CONST(PEF2256_FMR1_SSD_MASK, 0x1)
49 #define PEF2256_FMR1_SSD_8192	FIELD_PREP_CONST(PEF2256_FMR1_SSD_MASK, 0x0)
50 #define PEF2256_FMR1_SSD_16384	FIELD_PREP_CONST(PEF2256_FMR1_SSD_MASK, 0x1)
51 
52 /* Framer Mode Register 2 */
53 #define PEF2256_FMR2			  0x1E
54 #define PEF2256_FMR2_RFS_MASK		  GENMASK(7, 6)
55 #define PEF2256_FMR2_RFS_DOUBLEFRAME	  FIELD_PREP_CONST(PEF2256_FMR2_RFS_MASK, 0x0)
56 #define PEF2256_FMR2_RFS_CRC4_MULTIFRAME  FIELD_PREP_CONST(PEF2256_FMR2_RFS_MASK, 0x2)
57 #define PEF2256_FMR2_RFS_AUTO_MULTIFRAME  FIELD_PREP_CONST(PEF2256_FMR2_RFS_MASK, 0x3)
58 #define PEF2256_FMR2_AXRA		  BIT(1)
59 
60 /* Transmit Service Word */
61 #define PEF2256_XSW		0x20
62 #define PEF2256_XSW_XSIS	BIT(7)
63 #define PEF2256_XSW_XTM		BIT(6)
64 #define PEF2256_XSW_XY_MASK	GENMASK(5, 0)
65 #define PEF2256_XSW_XY(_v)	FIELD_PREP(PEF2256_XSW_XY_MASK, _v)
66 
67 /* Transmit Spare Bits */
68 #define PEF2256_XSP	        0x21
69 #define PEF2256_XSP_XSIF	BIT(2)
70 
71 /* Transmit Control 0..1 */
72 #define PEF2256_XC0		0x22
73 #define PEF2256_XC1		0x23
74 
75 /* Receive Control 0 */
76 #define PEF2256_RC0		0x24
77 #define PEF2256_RC0_SWD		BIT(7)
78 #define PEF2256_RC0_ASY4	BIT(6)
79 
80 /* Receive Control 1 */
81 #define PEF2256_RC1		0x25
82 
83 /* Transmit Pulse Mask 0..1 */
84 #define PEF2256_XPM0		0x26
85 #define PEF2256_XPM1		0x27
86 
87 /* Transmit Pulse Mask 2 */
88 #define PEF2256_XPM2		0x28
89 #define PEF2256_XPM2_XLT	BIT(6)
90 
91 /* Transparent Service Word Mask */
92 #define PEF2256_TSWM		0x29
93 
94 /* Line Interface Mode 0 */
95 #define PEF2256_LIM0		0x36
96 #define PEF2256_2X_LIM0_BIT3	BIT(3) /* v2.x, described as a forced '1' bit */
97 #define PEF2256_LIM0_MAS	BIT(0)
98 
99 /* Line Interface Mode 1 */
100 #define PEF2256_LIM1		  0x37
101 #define PEF2256_12_LIM1_RIL_MASK  GENMASK(6, 4)
102 #define PEF2256_12_LIM1_RIL_910	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x0)
103 #define PEF2256_12_LIM1_RIL_740	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x1)
104 #define PEF2256_12_LIM1_RIL_590	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x2)
105 #define PEF2256_12_LIM1_RIL_420	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x3)
106 #define PEF2256_12_LIM1_RIL_320	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x4)
107 #define PEF2256_12_LIM1_RIL_210	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x5)
108 #define PEF2256_12_LIM1_RIL_160	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x6)
109 #define PEF2256_12_LIM1_RIL_100	  FIELD_PREP_CONST(PEF2256_12_LIM1_RIL_MASK, 0x7)
110 #define PEF2256_2X_LIM1_RIL_MASK  GENMASK(6, 4)
111 #define PEF2256_2X_LIM1_RIL_2250  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x0)
112 #define PEF2256_2X_LIM1_RIL_1100  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x1)
113 #define PEF2256_2X_LIM1_RIL_600	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x2)
114 #define PEF2256_2X_LIM1_RIL_350	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x3)
115 #define PEF2256_2X_LIM1_RIL_210	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x4)
116 #define PEF2256_2X_LIM1_RIL_140	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x5)
117 #define PEF2256_2X_LIM1_RIL_100	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x6)
118 #define PEF2256_2X_LIM1_RIL_50	  FIELD_PREP_CONST(PEF2256_2X_LIM1_RIL_MASK, 0x7)
119 
120 /* Pulse Count Detection */
121 #define PEF2256_PCD		0x38
122 
123  /* Pulse Count Recovery */
124 #define PEF2256_PCR		0x39
125 
126  /* Line Interface Mode 2 */
127 #define PEF2256_LIM2		0x3A
128 #define PEF2256_LIM2_SLT_MASK	GENMASK(5, 4)
129 #define PEF2256_LIM2_SLT_THR55	FIELD_PREP_CONST(PEF2256_LIM2_SLT_MASK, 0x0)
130 #define PEF2256_LIM2_SLT_THR67	FIELD_PREP_CONST(PEF2256_LIM2_SLT_MASK, 0x1)
131 #define PEF2256_LIM2_SLT_THR50	FIELD_PREP_CONST(PEF2256_LIM2_SLT_MASK, 0x2)
132 #define PEF2256_LIM2_SLT_THR45	FIELD_PREP_CONST(PEF2256_LIM2_SLT_MASK, 0x3)
133 #define PEF2256_LIM2_ELT	BIT(2)
134 
135 /* System Interface Control 1 */
136 #define PEF2256_SIC1	          0x3E
137 #define PEF2256_SIC1_SSC_MASK	  (BIT(7) |  BIT(3))
138 #define PEF2256_SIC1_SSC_2048	  (0)
139 #define PEF2256_SIC1_SSC_4096	  BIT(3)
140 #define PEF2256_SIC1_SSC_8192	  BIT(7)
141 #define PEF2256_SIC1_SSC_16384	  (BIT(7) |  BIT(3))
142 /* SSD is defined on 2 bits. The other bit is on FMR1 register */
143 #define PEF2256_SIC1_SSD_MASK	  GENMASK(6, 6)
144 #define PEF2256_SIC1_SSD_2048	  FIELD_PREP_CONST(PEF2256_SIC1_SSD_MASK, 0x0)
145 #define PEF2256_SIC1_SSD_4096	  FIELD_PREP_CONST(PEF2256_SIC1_SSD_MASK, 0x0)
146 #define PEF2256_SIC1_SSD_8192	  FIELD_PREP_CONST(PEF2256_SIC1_SSD_MASK, 0x1)
147 #define PEF2256_SIC1_SSD_16384	  FIELD_PREP_CONST(PEF2256_SIC1_SSD_MASK, 0x1)
148 #define PEF2256_SIC1_RBS_MASK	  GENMASK(5, 4)
149 #define PEF2256_SIC1_RBS_2FRAMES  FIELD_PREP_CONST(PEF2256_SIC1_RBS_MASK, 0x0)
150 #define PEF2256_SIC1_RBS_1FRAME	  FIELD_PREP_CONST(PEF2256_SIC1_RBS_MASK, 0x1)
151 #define PEF2256_SIC1_RBS_96BITS	  FIELD_PREP_CONST(PEF2256_SIC1_RBS_MASK, 0x2)
152 #define PEF2256_SIC1_RBS_BYPASS	  FIELD_PREP_CONST(PEF2256_SIC1_RBS_MASK, 0x3)
153 #define PEF2256_SIC1_XBS_MASK	  GENMASK(1, 0)
154 #define PEF2256_SIC1_XBS_BYPASS	  FIELD_PREP_CONST(PEF2256_SIC1_XBS_MASK, 0x0)
155 #define PEF2256_SIC1_XBS_1FRAME	  FIELD_PREP_CONST(PEF2256_SIC1_XBS_MASK, 0x1)
156 #define PEF2256_SIC1_XBS_2FRAMES  FIELD_PREP_CONST(PEF2256_SIC1_XBS_MASK, 0x2)
157 #define PEF2256_SIC1_XBS_96BITS	  FIELD_PREP_CONST(PEF2256_SIC1_XBS_MASK, 0x3)
158 
159 /* System Interface Control 2 */
160 #define PEF2256_SIC2		0x3F
161 #define PEF2256_SIC2_SICS_MASK	GENMASK(3, 1)
162 #define PEF2256_SIC2_SICS(_v)	FIELD_PREP(PEF2256_SIC2_SICS_MASK, _v)
163 
164 /* System Interface Control 3 */
165 #define PEF2256_SIC3		0x40
166 #define PEF2256_SIC3_RTRI	BIT(5)
167 #define PEF2256_SIC3_RESX	BIT(3)
168 #define PEF2256_SIC3_RESR	BIT(2)
169 
170 /* Clock Mode Register 1 */
171 #define PEF2256_CMR1			0x44
172 #define PEF2256_CMR1_RS_MASK		GENMASK(5, 4)
173 #define PEF2256_CMR1_RS_DPLL		FIELD_PREP_CONST(PEF2256_CMR1_RS_MASK, 0x0)
174 #define PEF2256_CMR1_RS_DPLL_LOS_HIGH	FIELD_PREP_CONST(PEF2256_CMR1_RS_MASK, 0x1)
175 #define PEF2256_CMR1_RS_DCOR_2048	FIELD_PREP_CONST(PEF2256_CMR1_RS_MASK, 0x2)
176 #define PEF2256_CMR1_RS_DCOR_8192	FIELD_PREP_CONST(PEF2256_CMR1_RS_MASK, 0x3)
177 #define PEF2256_CMR1_DCS		BIT(3)
178 
179 /* Clock Mode Register 2 */
180 #define PEF2256_CMR2		0x45
181 #define PEF2256_CMR2_DCOXC	BIT(5)
182 
183 /* Global Configuration Register */
184 #define PEF2256_GCR		0x46
185 #define PEF2256_GCR_SCI		BIT(6)
186 #define PEF2256_GCR_ECMC	BIT(4)
187 
188 /* Port Configuration 5 */
189 #define PEF2256_PC5		0x84
190 #define PEF2256_PC5_CRP         BIT(0)
191 
192 /* Global Port Configuration 1 */
193 #define PEF2256_GPC1			0x85
194 #define PEF2256_GPC1_CSFP_MASK		GENMASK(7, 5)
195 #define PEF2256_GPC1_CSFP_SEC_IN_HIGH	FIELD_PREP_CONST(PEF2256_GPC1_CSFP_MASK, 0x0)
196 #define PEF2256_GPC1_CSFP_SEC_OUT_HIGH	FIELD_PREP_CONST(PEF2256_GPC1_CSFP_MASK, 0x1)
197 #define PEF2256_GPC1_CSFP_FSC_OUT_HIGH	FIELD_PREP_CONST(PEF2256_GPC1_CSFP_MASK, 0x2)
198 #define PEF2256_GPC1_CSFP_FSC_OUT_LOW	FIELD_PREP_CONST(PEF2256_GPC1_CSFP_MASK, 0x3)
199 
200 /* Port Configuration 6 */
201 #define PEF2256_PC6		0x86
202 
203 /* Global Counter Mode n=1..8 */
204 #define PEF2256_GCM(_n)         (0x92 + (_n) - 1)
205 #define PEF2256_GCM1	        0x92
206 #define PEF2256_GCM2	        0x93
207 #define PEF2256_GCM3	        0x94
208 #define PEF2256_GCM4	        0x95
209 #define PEF2256_GCM5	        0x96
210 #define PEF2256_GCM6	        0x97
211 #define PEF2256_GCM7	        0x98
212 #define PEF2256_GCM8	        0x99
213 
214 /* Version Status Register */
215 #define PEF2256_VSTR		 0x4A
216 #define PEF2256_VSTR_VERSION_12	 0x00
217 #define PEF2256_VSTR_VERSION_21	 0x10
218 #define PEF2256_VSTR_VERSION_2x	 0x05
219 
220 /* Framer Receive Status 0 */
221 #define PEF2256_FRS0		0x4C
222 #define PEF2256_FRS0_LOS	BIT(7)
223 #define PEF2256_FRS0_AIS	BIT(6)
224 
225 /* Interrupt Status Register 0..5 */
226 #define PEF2256_ISR(_n)		(0x68 + (_n))
227 #define PEF2256_ISR0		0x68
228 #define PEF2256_ISR1		0x69
229 #define PEF2256_ISR2		0x6A
230 #define PEF2256_ISR3		0x6B
231 #define PEF2256_ISR4		0x6C
232 #define PEF2256_ISR5		0x6D
233 
234 /* Global Interrupt Status */
235 #define PEF2256_GIS		0x6E
236 #define PEF2256_GIS_ISR(_n)	BIT(_n)
237 
238 /* Wafer Identification Register */
239 #define PEF2256_WID		   0xEC
240 #define PEF2256_12_WID_MASK	   GENMASK(1, 0)
241 #define PEF2256_12_WID_VERSION_12  FIELD_PREP_CONST(PEF2256_12_WID_MASK, 0x3)
242 #define PEF2256_2X_WID_MASK	   GENMASK(7, 6)
243 #define PEF2256_2X_WID_VERSION_21  FIELD_PREP_CONST(PEF2256_2X_WID_MASK, 0x0)
244 #define PEF2256_2X_WID_VERSION_22  FIELD_PREP_CONST(PEF2256_2X_WID_MASK, 0x1)
245 
246 /* IMR2/ISR2 Interrupts common bits */
247 #define PEF2256_INT2_AIS	BIT(3)
248 #define PEF2256_INT2_LOS	BIT(2)
249 
250 #endif /* __PEF2256_REGS_H__ */
251