1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2/* Copyright(c) 2015-17 Intel Corporation. */
3
4#ifndef __SDW_REGISTERS_H
5#define __SDW_REGISTERS_H
6
7/*
8 * SDW registers as defined by MIPI 1.2 Spec
9 */
10#define SDW_REGADDR GENMASK(14, 0)
11#define SDW_SCP_ADDRPAGE2_MASK GENMASK(22, 15)
12#define SDW_SCP_ADDRPAGE1_MASK GENMASK(30, 23)
13
14#define SDW_REG_NO_PAGE 0x00008000
15#define SDW_REG_OPTIONAL_PAGE 0x00010000
16#define SDW_REG_MAX 0x80000000
17
18#define SDW_DPN_SIZE 0x100
19#define SDW_BANK1_OFFSET 0x10
20
21/*
22 * DP0 Interrupt register & bits
23 *
24 * Spec treats Status (RO) and Clear (WC) as separate but they are same
25 * address, so treat as same register with WC.
26 */
27
28/* both INT and STATUS register are same */
29#define SDW_DP0_INT 0x0
30#define SDW_DP0_INTMASK 0x1
31#define SDW_DP0_PORTCTRL 0x2
32#define SDW_DP0_BLOCKCTRL1 0x3
33#define SDW_DP0_PREPARESTATUS 0x4
34#define SDW_DP0_PREPARECTRL 0x5
35
36#define SDW_DP0_INT_TEST_FAIL BIT(0)
37#define SDW_DP0_INT_PORT_READY BIT(1)
38#define SDW_DP0_INT_BRA_FAILURE BIT(2)
39#define SDW_DP0_SDCA_CASCADE BIT(3)
40/* BIT(4) not allocated in SoundWire specification 1.2 */
41#define SDW_DP0_INT_IMPDEF1 BIT(5)
42#define SDW_DP0_INT_IMPDEF2 BIT(6)
43#define SDW_DP0_INT_IMPDEF3 BIT(7)
44#define SDW_DP0_INTERRUPTS (SDW_DP0_INT_TEST_FAIL | \
45 SDW_DP0_INT_PORT_READY | \
46 SDW_DP0_INT_BRA_FAILURE | \
47 SDW_DP0_INT_IMPDEF1 | \
48 SDW_DP0_INT_IMPDEF2 | \
49 SDW_DP0_INT_IMPDEF3)
50
51#define SDW_DP0_PORTCTRL_DATAMODE GENMASK(3, 2)
52#define SDW_DP0_PORTCTRL_NXTINVBANK BIT(4)
53#define SDW_DP0_PORTCTRL_BPT_PAYLD GENMASK(7, 6)
54
55#define SDW_DP0_CHANNELEN 0x20
56#define SDW_DP0_SAMPLECTRL1 0x22
57#define SDW_DP0_SAMPLECTRL2 0x23
58#define SDW_DP0_OFFSETCTRL1 0x24
59#define SDW_DP0_OFFSETCTRL2 0x25
60#define SDW_DP0_HCTRL 0x26
61#define SDW_DP0_LANECTRL 0x28
62
63/* Both INT and STATUS register are same */
64#define SDW_SCP_INT1 0x40
65#define SDW_SCP_INTMASK1 0x41
66
67#define SDW_SCP_INT1_PARITY BIT(0)
68#define SDW_SCP_INT1_BUS_CLASH BIT(1)
69#define SDW_SCP_INT1_IMPL_DEF BIT(2)
70#define SDW_SCP_INT1_SCP2_CASCADE BIT(7)
71#define SDW_SCP_INT1_PORT0_3 GENMASK(6, 3)
72
73#define SDW_SCP_INTSTAT2 0x42
74#define SDW_SCP_INTSTAT2_SCP3_CASCADE BIT(7)
75#define SDW_SCP_INTSTAT2_PORT4_10 GENMASK(6, 0)
76
77#define SDW_SCP_INTSTAT3 0x43
78#define SDW_SCP_INTSTAT3_PORT11_14 GENMASK(3, 0)
79
80/* Number of interrupt status registers */
81#define SDW_NUM_INT_STAT_REGISTERS 3
82
83/* Number of interrupt clear registers */
84#define SDW_NUM_INT_CLEAR_REGISTERS 1
85
86#define SDW_SCP_CTRL 0x44
87#define SDW_SCP_CTRL_CLK_STP_NOW BIT(1)
88#define SDW_SCP_CTRL_FORCE_RESET BIT(7)
89
90#define SDW_SCP_STAT 0x44
91#define SDW_SCP_STAT_CLK_STP_NF BIT(0)
92#define SDW_SCP_STAT_HPHY_NOK BIT(5)
93#define SDW_SCP_STAT_CURR_BANK BIT(6)
94
95#define SDW_SCP_SYSTEMCTRL 0x45
96#define SDW_SCP_SYSTEMCTRL_CLK_STP_PREP BIT(0)
97#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE BIT(2)
98#define SDW_SCP_SYSTEMCTRL_WAKE_UP_EN BIT(3)
99#define SDW_SCP_SYSTEMCTRL_HIGH_PHY BIT(4)
100
101#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE0 0
102#define SDW_SCP_SYSTEMCTRL_CLK_STP_MODE1 BIT(2)
103
104#define SDW_SCP_DEVNUMBER 0x46
105#define SDW_SCP_HIGH_PHY_CHECK 0x47
106#define SDW_SCP_ADDRPAGE1 0x48
107#define SDW_SCP_ADDRPAGE2 0x49
108#define SDW_SCP_KEEPEREN 0x4A
109#define SDW_SCP_BANKDELAY 0x4B
110#define SDW_SCP_COMMIT 0x4C
111
112#define SDW_SCP_BUS_CLOCK_BASE 0x4D
113#define SDW_SCP_BASE_CLOCK_FREQ GENMASK(2, 0)
114#define SDW_SCP_BASE_CLOCK_UNKNOWN 0x0
115#define SDW_SCP_BASE_CLOCK_19200000_HZ 0x1
116#define SDW_SCP_BASE_CLOCK_24000000_HZ 0x2
117#define SDW_SCP_BASE_CLOCK_24576000_HZ 0x3
118#define SDW_SCP_BASE_CLOCK_22579200_HZ 0x4
119#define SDW_SCP_BASE_CLOCK_32000000_HZ 0x5
120#define SDW_SCP_BASE_CLOCK_RESERVED 0x6
121#define SDW_SCP_BASE_CLOCK_IMP_DEF 0x7
122
123/* 0x4E is not allocated in SoundWire specification 1.2 */
124#define SDW_SCP_TESTMODE 0x4F
125#define SDW_SCP_DEVID_0 0x50
126#define SDW_SCP_DEVID_1 0x51
127#define SDW_SCP_DEVID_2 0x52
128#define SDW_SCP_DEVID_3 0x53
129#define SDW_SCP_DEVID_4 0x54
130#define SDW_SCP_DEVID_5 0x55
131
132/* Both INT and STATUS register are same */
133#define SDW_SCP_SDCA_INT1 0x58
134#define SDW_SCP_SDCA_INT_SDCA_0 BIT(0)
135#define SDW_SCP_SDCA_INT_SDCA_1 BIT(1)
136#define SDW_SCP_SDCA_INT_SDCA_2 BIT(2)
137#define SDW_SCP_SDCA_INT_SDCA_3 BIT(3)
138#define SDW_SCP_SDCA_INT_SDCA_4 BIT(4)
139#define SDW_SCP_SDCA_INT_SDCA_5 BIT(5)
140#define SDW_SCP_SDCA_INT_SDCA_6 BIT(6)
141#define SDW_SCP_SDCA_INT_SDCA_7 BIT(7)
142
143#define SDW_SCP_SDCA_INT2 0x59
144#define SDW_SCP_SDCA_INT_SDCA_8 BIT(0)
145#define SDW_SCP_SDCA_INT_SDCA_9 BIT(1)
146#define SDW_SCP_SDCA_INT_SDCA_10 BIT(2)
147#define SDW_SCP_SDCA_INT_SDCA_11 BIT(3)
148#define SDW_SCP_SDCA_INT_SDCA_12 BIT(4)
149#define SDW_SCP_SDCA_INT_SDCA_13 BIT(5)
150#define SDW_SCP_SDCA_INT_SDCA_14 BIT(6)
151#define SDW_SCP_SDCA_INT_SDCA_15 BIT(7)
152
153#define SDW_SCP_SDCA_INT3 0x5A
154#define SDW_SCP_SDCA_INT_SDCA_16 BIT(0)
155#define SDW_SCP_SDCA_INT_SDCA_17 BIT(1)
156#define SDW_SCP_SDCA_INT_SDCA_18 BIT(2)
157#define SDW_SCP_SDCA_INT_SDCA_19 BIT(3)
158#define SDW_SCP_SDCA_INT_SDCA_20 BIT(4)
159#define SDW_SCP_SDCA_INT_SDCA_21 BIT(5)
160#define SDW_SCP_SDCA_INT_SDCA_22 BIT(6)
161#define SDW_SCP_SDCA_INT_SDCA_23 BIT(7)
162
163#define SDW_SCP_SDCA_INT4 0x5B
164#define SDW_SCP_SDCA_INT_SDCA_24 BIT(0)
165#define SDW_SCP_SDCA_INT_SDCA_25 BIT(1)
166#define SDW_SCP_SDCA_INT_SDCA_26 BIT(2)
167#define SDW_SCP_SDCA_INT_SDCA_27 BIT(3)
168#define SDW_SCP_SDCA_INT_SDCA_28 BIT(4)
169#define SDW_SCP_SDCA_INT_SDCA_29 BIT(5)
170#define SDW_SCP_SDCA_INT_SDCA_30 BIT(6)
171/* BIT(7) not allocated in SoundWire 1.2 specification */
172
173#define SDW_SCP_SDCA_INTMASK1 0x5C
174#define SDW_SCP_SDCA_INTMASK_SDCA_0 BIT(0)
175#define SDW_SCP_SDCA_INTMASK_SDCA_1 BIT(1)
176#define SDW_SCP_SDCA_INTMASK_SDCA_2 BIT(2)
177#define SDW_SCP_SDCA_INTMASK_SDCA_3 BIT(3)
178#define SDW_SCP_SDCA_INTMASK_SDCA_4 BIT(4)
179#define SDW_SCP_SDCA_INTMASK_SDCA_5 BIT(5)
180#define SDW_SCP_SDCA_INTMASK_SDCA_6 BIT(6)
181#define SDW_SCP_SDCA_INTMASK_SDCA_7 BIT(7)
182
183#define SDW_SCP_SDCA_INTMASK2 0x5D
184#define SDW_SCP_SDCA_INTMASK_SDCA_8 BIT(0)
185#define SDW_SCP_SDCA_INTMASK_SDCA_9 BIT(1)
186#define SDW_SCP_SDCA_INTMASK_SDCA_10 BIT(2)
187#define SDW_SCP_SDCA_INTMASK_SDCA_11 BIT(3)
188#define SDW_SCP_SDCA_INTMASK_SDCA_12 BIT(4)
189#define SDW_SCP_SDCA_INTMASK_SDCA_13 BIT(5)
190#define SDW_SCP_SDCA_INTMASK_SDCA_14 BIT(6)
191#define SDW_SCP_SDCA_INTMASK_SDCA_15 BIT(7)
192
193#define SDW_SCP_SDCA_INTMASK3 0x5E
194#define SDW_SCP_SDCA_INTMASK_SDCA_16 BIT(0)
195#define SDW_SCP_SDCA_INTMASK_SDCA_17 BIT(1)
196#define SDW_SCP_SDCA_INTMASK_SDCA_18 BIT(2)
197#define SDW_SCP_SDCA_INTMASK_SDCA_19 BIT(3)
198#define SDW_SCP_SDCA_INTMASK_SDCA_20 BIT(4)
199#define SDW_SCP_SDCA_INTMASK_SDCA_21 BIT(5)
200#define SDW_SCP_SDCA_INTMASK_SDCA_22 BIT(6)
201#define SDW_SCP_SDCA_INTMASK_SDCA_23 BIT(7)
202
203#define SDW_SCP_SDCA_INTMASK4 0x5F
204#define SDW_SCP_SDCA_INTMASK_SDCA_24 BIT(0)
205#define SDW_SCP_SDCA_INTMASK_SDCA_25 BIT(1)
206#define SDW_SCP_SDCA_INTMASK_SDCA_26 BIT(2)
207#define SDW_SCP_SDCA_INTMASK_SDCA_27 BIT(3)
208#define SDW_SCP_SDCA_INTMASK_SDCA_28 BIT(4)
209#define SDW_SCP_SDCA_INTMASK_SDCA_29 BIT(5)
210#define SDW_SCP_SDCA_INTMASK_SDCA_30 BIT(6)
211/* BIT(7) not allocated in SoundWire 1.2 specification */
212
213/* Banked Registers */
214#define SDW_SCP_FRAMECTRL_B0 0x60
215#define SDW_SCP_FRAMECTRL_B1 (0x60 + SDW_BANK1_OFFSET)
216#define SDW_SCP_NEXTFRAME_B0 0x61
217#define SDW_SCP_NEXTFRAME_B1 (0x61 + SDW_BANK1_OFFSET)
218
219#define SDW_SCP_BUSCLOCK_SCALE_B0 0x62
220#define SDW_SCP_BUSCLOCK_SCALE_B1 (0x62 + SDW_BANK1_OFFSET)
221#define SDW_SCP_CLOCK_SCALE GENMASK(3, 0)
222
223/* PHY registers - CTRL and STAT are the same address */
224#define SDW_SCP_PHY_OUT_CTRL_0 0x80
225#define SDW_SCP_PHY_OUT_CTRL_1 0x81
226#define SDW_SCP_PHY_OUT_CTRL_2 0x82
227#define SDW_SCP_PHY_OUT_CTRL_3 0x83
228#define SDW_SCP_PHY_OUT_CTRL_4 0x84
229#define SDW_SCP_PHY_OUT_CTRL_5 0x85
230#define SDW_SCP_PHY_OUT_CTRL_6 0x86
231#define SDW_SCP_PHY_OUT_CTRL_7 0x87
232
233#define SDW_SCP_CAP_LOAD_CTRL GENMASK(2, 0)
234#define SDW_SCP_DRIVE_STRENGTH_CTRL GENMASK(5, 3)
235#define SDW_SCP_SLEW_TIME_CTRL GENMASK(7, 6)
236
237/* Both INT and STATUS register is same */
238#define SDW_DPN_INT(n) (0x0 + SDW_DPN_SIZE * (n))
239#define SDW_DPN_INTMASK(n) (0x1 + SDW_DPN_SIZE * (n))
240#define SDW_DPN_PORTCTRL(n) (0x2 + SDW_DPN_SIZE * (n))
241#define SDW_DPN_BLOCKCTRL1(n) (0x3 + SDW_DPN_SIZE * (n))
242#define SDW_DPN_PREPARESTATUS(n) (0x4 + SDW_DPN_SIZE * (n))
243#define SDW_DPN_PREPARECTRL(n) (0x5 + SDW_DPN_SIZE * (n))
244
245#define SDW_DPN_INT_TEST_FAIL BIT(0)
246#define SDW_DPN_INT_PORT_READY BIT(1)
247#define SDW_DPN_INT_IMPDEF1 BIT(5)
248#define SDW_DPN_INT_IMPDEF2 BIT(6)
249#define SDW_DPN_INT_IMPDEF3 BIT(7)
250#define SDW_DPN_INTERRUPTS (SDW_DPN_INT_TEST_FAIL | \
251 SDW_DPN_INT_PORT_READY | \
252 SDW_DPN_INT_IMPDEF1 | \
253 SDW_DPN_INT_IMPDEF2 | \
254 SDW_DPN_INT_IMPDEF3)
255
256#define SDW_DPN_PORTCTRL_FLOWMODE GENMASK(1, 0)
257#define SDW_DPN_PORTCTRL_DATAMODE GENMASK(3, 2)
258#define SDW_DPN_PORTCTRL_NXTINVBANK BIT(4)
259
260#define SDW_DPN_BLOCKCTRL1_WDLEN GENMASK(5, 0)
261
262#define SDW_DPN_PREPARECTRL_CH_PREP GENMASK(7, 0)
263
264#define SDW_DPN_CHANNELEN_B0(n) (0x20 + SDW_DPN_SIZE * (n))
265#define SDW_DPN_CHANNELEN_B1(n) (0x30 + SDW_DPN_SIZE * (n))
266
267#define SDW_DPN_BLOCKCTRL2_B0(n) (0x21 + SDW_DPN_SIZE * (n))
268#define SDW_DPN_BLOCKCTRL2_B1(n) (0x31 + SDW_DPN_SIZE * (n))
269
270#define SDW_DPN_SAMPLECTRL1_B0(n) (0x22 + SDW_DPN_SIZE * (n))
271#define SDW_DPN_SAMPLECTRL1_B1(n) (0x32 + SDW_DPN_SIZE * (n))
272
273#define SDW_DPN_SAMPLECTRL2_B0(n) (0x23 + SDW_DPN_SIZE * (n))
274#define SDW_DPN_SAMPLECTRL2_B1(n) (0x33 + SDW_DPN_SIZE * (n))
275
276#define SDW_DPN_OFFSETCTRL1_B0(n) (0x24 + SDW_DPN_SIZE * (n))
277#define SDW_DPN_OFFSETCTRL1_B1(n) (0x34 + SDW_DPN_SIZE * (n))
278
279#define SDW_DPN_OFFSETCTRL2_B0(n) (0x25 + SDW_DPN_SIZE * (n))
280#define SDW_DPN_OFFSETCTRL2_B1(n) (0x35 + SDW_DPN_SIZE * (n))
281
282#define SDW_DPN_HCTRL_B0(n) (0x26 + SDW_DPN_SIZE * (n))
283#define SDW_DPN_HCTRL_B1(n) (0x36 + SDW_DPN_SIZE * (n))
284
285#define SDW_DPN_BLOCKCTRL3_B0(n) (0x27 + SDW_DPN_SIZE * (n))
286#define SDW_DPN_BLOCKCTRL3_B1(n) (0x37 + SDW_DPN_SIZE * (n))
287
288#define SDW_DPN_LANECTRL_B0(n) (0x28 + SDW_DPN_SIZE * (n))
289#define SDW_DPN_LANECTRL_B1(n) (0x38 + SDW_DPN_SIZE * (n))
290
291#define SDW_DPN_SAMPLECTRL_LOW GENMASK(7, 0)
292#define SDW_DPN_SAMPLECTRL_HIGH GENMASK(15, 8)
293
294#define SDW_DPN_HCTRL_HSTART GENMASK(7, 4)
295#define SDW_DPN_HCTRL_HSTOP GENMASK(3, 0)
296
297#define SDW_NUM_CASC_PORT_INTSTAT1 4
298#define SDW_CASC_PORT_START_INTSTAT1 0
299#define SDW_CASC_PORT_MASK_INTSTAT1 0x8
300#define SDW_CASC_PORT_REG_OFFSET_INTSTAT1 0x0
301
302#define SDW_NUM_CASC_PORT_INTSTAT2 7
303#define SDW_CASC_PORT_START_INTSTAT2 4
304#define SDW_CASC_PORT_MASK_INTSTAT2 1
305#define SDW_CASC_PORT_REG_OFFSET_INTSTAT2 1
306
307#define SDW_NUM_CASC_PORT_INTSTAT3 4
308#define SDW_CASC_PORT_START_INTSTAT3 11
309#define SDW_CASC_PORT_MASK_INTSTAT3 1
310#define SDW_CASC_PORT_REG_OFFSET_INTSTAT3 2
311
312/*
313 * v1.2 device - SDCA address mapping
314 *
315 * Spec definition
316 * Bits Contents
317 * 31 0 (required by addressing range)
318 * 30:26 0b10000 (Control Prefix)
319 * 25 0 (Reserved)
320 * 24:22 Function Number [2:0]
321 * 21 Entity[6]
322 * 20:19 Control Selector[5:4]
323 * 18 0 (Reserved)
324 * 17:15 Control Number[5:3]
325 * 14 Next
326 * 13 MBQ
327 * 12:7 Entity[5:0]
328 * 6:3 Control Selector[3:0]
329 * 2:0 Control Number[2:0]
330 */
331
332#define SDW_SDCA_CTL(fun, ent, ctl, ch) (BIT(30) | \
333 (((fun) & 0x7) << 22) | \
334 (((ent) & 0x40) << 15) | \
335 (((ent) & 0x3f) << 7) | \
336 (((ctl) & 0x30) << 15) | \
337 (((ctl) & 0x0f) << 3) | \
338 (((ch) & 0x38) << 12) | \
339 ((ch) & 0x07))
340
341#define SDW_SDCA_MBQ_CTL(reg) ((reg) | BIT(13))
342#define SDW_SDCA_NEXT_CTL(reg) ((reg) | BIT(14))
343
344#endif /* __SDW_REGISTERS_H */
345

source code of linux/include/linux/soundwire/sdw_registers.h