1/*
2 * The register defines are based on earlier cpcap.h in Motorola Linux kernel
3 * tree.
4 *
5 * Copyright (C) 2007-2009 Motorola, Inc.
6 *
7 * Rewritten for the real register offsets instead of enumeration
8 * to make the defines usable with Linux kernel regmap support
9 *
10 * Copyright (C) 2016 Tony Lindgren <tony@atomide.com>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17#include <linux/device.h>
18#include <linux/regmap.h>
19
20#define CPCAP_VENDOR_ST 0
21#define CPCAP_VENDOR_TI 1
22
23#define CPCAP_REVISION_MAJOR(r) (((r) >> 4) + 1)
24#define CPCAP_REVISION_MINOR(r) ((r) & 0xf)
25
26#define CPCAP_REVISION_1_0 0x08
27#define CPCAP_REVISION_1_1 0x09
28#define CPCAP_REVISION_2_0 0x10
29#define CPCAP_REVISION_2_1 0x11
30
31/* CPCAP registers */
32#define CPCAP_REG_INT1 0x0000 /* Interrupt 1 */
33#define CPCAP_REG_INT2 0x0004 /* Interrupt 2 */
34#define CPCAP_REG_INT3 0x0008 /* Interrupt 3 */
35#define CPCAP_REG_INT4 0x000c /* Interrupt 4 */
36#define CPCAP_REG_INTM1 0x0010 /* Interrupt Mask 1 */
37#define CPCAP_REG_INTM2 0x0014 /* Interrupt Mask 2 */
38#define CPCAP_REG_INTM3 0x0018 /* Interrupt Mask 3 */
39#define CPCAP_REG_INTM4 0x001c /* Interrupt Mask 4 */
40#define CPCAP_REG_INTS1 0x0020 /* Interrupt Sense 1 */
41#define CPCAP_REG_INTS2 0x0024 /* Interrupt Sense 2 */
42#define CPCAP_REG_INTS3 0x0028 /* Interrupt Sense 3 */
43#define CPCAP_REG_INTS4 0x002c /* Interrupt Sense 4 */
44#define CPCAP_REG_ASSIGN1 0x0030 /* Resource Assignment 1 */
45#define CPCAP_REG_ASSIGN2 0x0034 /* Resource Assignment 2 */
46#define CPCAP_REG_ASSIGN3 0x0038 /* Resource Assignment 3 */
47#define CPCAP_REG_ASSIGN4 0x003c /* Resource Assignment 4 */
48#define CPCAP_REG_ASSIGN5 0x0040 /* Resource Assignment 5 */
49#define CPCAP_REG_ASSIGN6 0x0044 /* Resource Assignment 6 */
50#define CPCAP_REG_VERSC1 0x0048 /* Version Control 1 */
51#define CPCAP_REG_VERSC2 0x004c /* Version Control 2 */
52
53#define CPCAP_REG_MI1 0x0200 /* Macro Interrupt 1 */
54#define CPCAP_REG_MIM1 0x0204 /* Macro Interrupt Mask 1 */
55#define CPCAP_REG_MI2 0x0208 /* Macro Interrupt 2 */
56#define CPCAP_REG_MIM2 0x020c /* Macro Interrupt Mask 2 */
57#define CPCAP_REG_UCC1 0x0210 /* UC Control 1 */
58#define CPCAP_REG_UCC2 0x0214 /* UC Control 2 */
59
60#define CPCAP_REG_PC1 0x021c /* Power Cut 1 */
61#define CPCAP_REG_PC2 0x0220 /* Power Cut 2 */
62#define CPCAP_REG_BPEOL 0x0224 /* BP and EOL */
63#define CPCAP_REG_PGC 0x0228 /* Power Gate and Control */
64#define CPCAP_REG_MT1 0x022c /* Memory Transfer 1 */
65#define CPCAP_REG_MT2 0x0230 /* Memory Transfer 2 */
66#define CPCAP_REG_MT3 0x0234 /* Memory Transfer 3 */
67#define CPCAP_REG_PF 0x0238 /* Print Format */
68
69#define CPCAP_REG_SCC 0x0400 /* System Clock Control */
70#define CPCAP_REG_SW1 0x0404 /* Stop Watch 1 */
71#define CPCAP_REG_SW2 0x0408 /* Stop Watch 2 */
72#define CPCAP_REG_UCTM 0x040c /* UC Turbo Mode */
73#define CPCAP_REG_TOD1 0x0410 /* Time of Day 1 */
74#define CPCAP_REG_TOD2 0x0414 /* Time of Day 2 */
75#define CPCAP_REG_TODA1 0x0418 /* Time of Day Alarm 1 */
76#define CPCAP_REG_TODA2 0x041c /* Time of Day Alarm 2 */
77#define CPCAP_REG_DAY 0x0420 /* Day */
78#define CPCAP_REG_DAYA 0x0424 /* Day Alarm */
79#define CPCAP_REG_VAL1 0x0428 /* Validity 1 */
80#define CPCAP_REG_VAL2 0x042c /* Validity 2 */
81
82#define CPCAP_REG_SDVSPLL 0x0600 /* Switcher DVS and PLL */
83#define CPCAP_REG_SI2CC1 0x0604 /* Switcher I2C Control 1 */
84#define CPCAP_REG_Si2CC2 0x0608 /* Switcher I2C Control 2 */
85#define CPCAP_REG_S1C1 0x060c /* Switcher 1 Control 1 */
86#define CPCAP_REG_S1C2 0x0610 /* Switcher 1 Control 2 */
87#define CPCAP_REG_S2C1 0x0614 /* Switcher 2 Control 1 */
88#define CPCAP_REG_S2C2 0x0618 /* Switcher 2 Control 2 */
89#define CPCAP_REG_S3C 0x061c /* Switcher 3 Control */
90#define CPCAP_REG_S4C1 0x0620 /* Switcher 4 Control 1 */
91#define CPCAP_REG_S4C2 0x0624 /* Switcher 4 Control 2 */
92#define CPCAP_REG_S5C 0x0628 /* Switcher 5 Control */
93#define CPCAP_REG_S6C 0x062c /* Switcher 6 Control */
94#define CPCAP_REG_VCAMC 0x0630 /* VCAM Control */
95#define CPCAP_REG_VCSIC 0x0634 /* VCSI Control */
96#define CPCAP_REG_VDACC 0x0638 /* VDAC Control */
97#define CPCAP_REG_VDIGC 0x063c /* VDIG Control */
98#define CPCAP_REG_VFUSEC 0x0640 /* VFUSE Control */
99#define CPCAP_REG_VHVIOC 0x0644 /* VHVIO Control */
100#define CPCAP_REG_VSDIOC 0x0648 /* VSDIO Control */
101#define CPCAP_REG_VPLLC 0x064c /* VPLL Control */
102#define CPCAP_REG_VRF1C 0x0650 /* VRF1 Control */
103#define CPCAP_REG_VRF2C 0x0654 /* VRF2 Control */
104#define CPCAP_REG_VRFREFC 0x0658 /* VRFREF Control */
105#define CPCAP_REG_VWLAN1C 0x065c /* VWLAN1 Control */
106#define CPCAP_REG_VWLAN2C 0x0660 /* VWLAN2 Control */
107#define CPCAP_REG_VSIMC 0x0664 /* VSIM Control */
108#define CPCAP_REG_VVIBC 0x0668 /* VVIB Control */
109#define CPCAP_REG_VUSBC 0x066c /* VUSB Control */
110#define CPCAP_REG_VUSBINT1C 0x0670 /* VUSBINT1 Control */
111#define CPCAP_REG_VUSBINT2C 0x0674 /* VUSBINT2 Control */
112#define CPCAP_REG_URT 0x0678 /* Useroff Regulator Trigger */
113#define CPCAP_REG_URM1 0x067c /* Useroff Regulator Mask 1 */
114#define CPCAP_REG_URM2 0x0680 /* Useroff Regulator Mask 2 */
115
116#define CPCAP_REG_VAUDIOC 0x0800 /* VAUDIO Control */
117#define CPCAP_REG_CC 0x0804 /* Codec Control */
118#define CPCAP_REG_CDI 0x0808 /* Codec Digital Interface */
119#define CPCAP_REG_SDAC 0x080c /* Stereo DAC */
120#define CPCAP_REG_SDACDI 0x0810 /* Stereo DAC Digital Interface */
121#define CPCAP_REG_TXI 0x0814 /* TX Inputs */
122#define CPCAP_REG_TXMP 0x0818 /* TX MIC PGA's */
123#define CPCAP_REG_RXOA 0x081c /* RX Output Amplifiers */
124#define CPCAP_REG_RXVC 0x0820 /* RX Volume Control */
125#define CPCAP_REG_RXCOA 0x0824 /* RX Codec to Output Amps */
126#define CPCAP_REG_RXSDOA 0x0828 /* RX Stereo DAC to Output Amps */
127#define CPCAP_REG_RXEPOA 0x082c /* RX External PGA to Output Amps */
128#define CPCAP_REG_RXLL 0x0830 /* RX Low Latency */
129#define CPCAP_REG_A2LA 0x0834 /* A2 Loudspeaker Amplifier */
130#define CPCAP_REG_MIPIS1 0x0838 /* MIPI Slimbus 1 */
131#define CPCAP_REG_MIPIS2 0x083c /* MIPI Slimbus 2 */
132#define CPCAP_REG_MIPIS3 0x0840 /* MIPI Slimbus 3. */
133#define CPCAP_REG_LVAB 0x0844 /* LMR Volume and A4 Balanced. */
134
135#define CPCAP_REG_CCC1 0x0a00 /* Coulomb Counter Control 1 */
136#define CPCAP_REG_CRM 0x0a04 /* Charger and Reverse Mode */
137#define CPCAP_REG_CCCC2 0x0a08 /* Coincell and Coulomb Ctr Ctrl 2 */
138#define CPCAP_REG_CCS1 0x0a0c /* Coulomb Counter Sample 1 */
139#define CPCAP_REG_CCS2 0x0a10 /* Coulomb Counter Sample 2 */
140#define CPCAP_REG_CCA1 0x0a14 /* Coulomb Counter Accumulator 1 */
141#define CPCAP_REG_CCA2 0x0a18 /* Coulomb Counter Accumulator 2 */
142#define CPCAP_REG_CCM 0x0a1c /* Coulomb Counter Mode */
143#define CPCAP_REG_CCO 0x0a20 /* Coulomb Counter Offset */
144#define CPCAP_REG_CCI 0x0a24 /* Coulomb Counter Integrator */
145
146#define CPCAP_REG_ADCC1 0x0c00 /* A/D Converter Configuration 1 */
147#define CPCAP_REG_ADCC2 0x0c04 /* A/D Converter Configuration 2 */
148#define CPCAP_REG_ADCD0 0x0c08 /* A/D Converter Data 0 */
149#define CPCAP_REG_ADCD1 0x0c0c /* A/D Converter Data 1 */
150#define CPCAP_REG_ADCD2 0x0c10 /* A/D Converter Data 2 */
151#define CPCAP_REG_ADCD3 0x0c14 /* A/D Converter Data 3 */
152#define CPCAP_REG_ADCD4 0x0c18 /* A/D Converter Data 4 */
153#define CPCAP_REG_ADCD5 0x0c1c /* A/D Converter Data 5 */
154#define CPCAP_REG_ADCD6 0x0c20 /* A/D Converter Data 6 */
155#define CPCAP_REG_ADCD7 0x0c24 /* A/D Converter Data 7 */
156#define CPCAP_REG_ADCAL1 0x0c28 /* A/D Converter Calibration 1 */
157#define CPCAP_REG_ADCAL2 0x0c2c /* A/D Converter Calibration 2 */
158
159#define CPCAP_REG_USBC1 0x0e00 /* USB Control 1 */
160#define CPCAP_REG_USBC2 0x0e04 /* USB Control 2 */
161#define CPCAP_REG_USBC3 0x0e08 /* USB Control 3 */
162#define CPCAP_REG_UVIDL 0x0e0c /* ULPI Vendor ID Low */
163#define CPCAP_REG_UVIDH 0x0e10 /* ULPI Vendor ID High */
164#define CPCAP_REG_UPIDL 0x0e14 /* ULPI Product ID Low */
165#define CPCAP_REG_UPIDH 0x0e18 /* ULPI Product ID High */
166#define CPCAP_REG_UFC1 0x0e1c /* ULPI Function Control 1 */
167#define CPCAP_REG_UFC2 0x0e20 /* ULPI Function Control 2 */
168#define CPCAP_REG_UFC3 0x0e24 /* ULPI Function Control 3 */
169#define CPCAP_REG_UIC1 0x0e28 /* ULPI Interface Control 1 */
170#define CPCAP_REG_UIC2 0x0e2c /* ULPI Interface Control 2 */
171#define CPCAP_REG_UIC3 0x0e30 /* ULPI Interface Control 3 */
172#define CPCAP_REG_USBOTG1 0x0e34 /* USB OTG Control 1 */
173#define CPCAP_REG_USBOTG2 0x0e38 /* USB OTG Control 2 */
174#define CPCAP_REG_USBOTG3 0x0e3c /* USB OTG Control 3 */
175#define CPCAP_REG_UIER1 0x0e40 /* USB Interrupt Enable Rising 1 */
176#define CPCAP_REG_UIER2 0x0e44 /* USB Interrupt Enable Rising 2 */
177#define CPCAP_REG_UIER3 0x0e48 /* USB Interrupt Enable Rising 3 */
178#define CPCAP_REG_UIEF1 0x0e4c /* USB Interrupt Enable Falling 1 */
179#define CPCAP_REG_UIEF2 0x0e50 /* USB Interrupt Enable Falling 1 */
180#define CPCAP_REG_UIEF3 0x0e54 /* USB Interrupt Enable Falling 1 */
181#define CPCAP_REG_UIS 0x0e58 /* USB Interrupt Status */
182#define CPCAP_REG_UIL 0x0e5c /* USB Interrupt Latch */
183#define CPCAP_REG_USBD 0x0e60 /* USB Debug */
184#define CPCAP_REG_SCR1 0x0e64 /* Scratch 1 */
185#define CPCAP_REG_SCR2 0x0e68 /* Scratch 2 */
186#define CPCAP_REG_SCR3 0x0e6c /* Scratch 3 */
187
188#define CPCAP_REG_VMC 0x0eac /* Video Mux Control */
189#define CPCAP_REG_OWDC 0x0eb0 /* One Wire Device Control */
190#define CPCAP_REG_GPIO0 0x0eb4 /* GPIO 0 Control */
191
192#define CPCAP_REG_GPIO1 0x0ebc /* GPIO 1 Control */
193
194#define CPCAP_REG_GPIO2 0x0ec4 /* GPIO 2 Control */
195
196#define CPCAP_REG_GPIO3 0x0ecc /* GPIO 3 Control */
197
198#define CPCAP_REG_GPIO4 0x0ed4 /* GPIO 4 Control */
199
200#define CPCAP_REG_GPIO5 0x0edc /* GPIO 5 Control */
201
202#define CPCAP_REG_GPIO6 0x0ee4 /* GPIO 6 Control */
203
204#define CPCAP_REG_MDLC 0x1000 /* Main Display Lighting Control */
205#define CPCAP_REG_KLC 0x1004 /* Keypad Lighting Control */
206#define CPCAP_REG_ADLC 0x1008 /* Aux Display Lighting Control */
207#define CPCAP_REG_REDC 0x100c /* Red Triode Control */
208#define CPCAP_REG_GREENC 0x1010 /* Green Triode Control */
209#define CPCAP_REG_BLUEC 0x1014 /* Blue Triode Control */
210#define CPCAP_REG_CFC 0x1018 /* Camera Flash Control */
211#define CPCAP_REG_ABC 0x101c /* Adaptive Boost Control */
212#define CPCAP_REG_BLEDC 0x1020 /* Bluetooth LED Control */
213#define CPCAP_REG_CLEDC 0x1024 /* Camera Privacy LED Control */
214
215#define CPCAP_REG_OW1C 0x1200 /* One Wire 1 Command */
216#define CPCAP_REG_OW1D 0x1204 /* One Wire 1 Data */
217#define CPCAP_REG_OW1I 0x1208 /* One Wire 1 Interrupt */
218#define CPCAP_REG_OW1IE 0x120c /* One Wire 1 Interrupt Enable */
219
220#define CPCAP_REG_OW1 0x1214 /* One Wire 1 Control */
221
222#define CPCAP_REG_OW2C 0x1220 /* One Wire 2 Command */
223#define CPCAP_REG_OW2D 0x1224 /* One Wire 2 Data */
224#define CPCAP_REG_OW2I 0x1228 /* One Wire 2 Interrupt */
225#define CPCAP_REG_OW2IE 0x122c /* One Wire 2 Interrupt Enable */
226
227#define CPCAP_REG_OW2 0x1234 /* One Wire 2 Control */
228
229#define CPCAP_REG_OW3C 0x1240 /* One Wire 3 Command */
230#define CPCAP_REG_OW3D 0x1244 /* One Wire 3 Data */
231#define CPCAP_REG_OW3I 0x1248 /* One Wire 3 Interrupt */
232#define CPCAP_REG_OW3IE 0x124c /* One Wire 3 Interrupt Enable */
233
234#define CPCAP_REG_OW3 0x1254 /* One Wire 3 Control */
235#define CPCAP_REG_GCAIC 0x1258 /* GCAI Clock Control */
236#define CPCAP_REG_GCAIM 0x125c /* GCAI GPIO Mode */
237#define CPCAP_REG_LGDIR 0x1260 /* LMR GCAI GPIO Direction */
238#define CPCAP_REG_LGPU 0x1264 /* LMR GCAI GPIO Pull-up */
239#define CPCAP_REG_LGPIN 0x1268 /* LMR GCAI GPIO Pin */
240#define CPCAP_REG_LGMASK 0x126c /* LMR GCAI GPIO Mask */
241#define CPCAP_REG_LDEB 0x1270 /* LMR Debounce Settings */
242#define CPCAP_REG_LGDET 0x1274 /* LMR GCAI Detach Detect */
243#define CPCAP_REG_LMISC 0x1278 /* LMR Misc Bits */
244#define CPCAP_REG_LMACE 0x127c /* LMR Mace IC Support */
245
246#define CPCAP_REG_TEST 0x7c00 /* Test */
247
248#define CPCAP_REG_ST_TEST1 0x7d08 /* ST Test1 */
249
250#define CPCAP_REG_ST_TEST2 0x7d18 /* ST Test2 */
251
252/*
253 * Helpers for child devices to check the revision and vendor.
254 *
255 * REVISIT: No documentation for the bits below, please update
256 * to use proper names for defines when available.
257 */
258
259static inline int cpcap_get_revision(struct device *dev,
260 struct regmap *regmap,
261 u16 *revision)
262{
263 unsigned int val;
264 int ret;
265
266 ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
267 if (ret) {
268 dev_err(dev, "Could not read revision\n");
269
270 return ret;
271 }
272
273 *revision = ((val >> 3) & 0x7) | ((val << 3) & 0x38);
274
275 return 0;
276}
277
278static inline int cpcap_get_vendor(struct device *dev,
279 struct regmap *regmap,
280 u16 *vendor)
281{
282 unsigned int val;
283 int ret;
284
285 ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
286 if (ret) {
287 dev_err(dev, "Could not read vendor\n");
288
289 return ret;
290 }
291
292 *vendor = (val >> 6) & 0x7;
293
294 return 0;
295}
296
297extern int cpcap_sense_virq(struct regmap *regmap, int virq);
298