/*
 * The register defines are based on earlier cpcap.h in Motorola Linux kernel
 * tree.
 *
 * Copyright (C) 2007-2009 Motorola, Inc.
 *
 * Rewritten for the real register offsets instead of enumeration
 * to make the defines usable with Linux kernel regmap support
 *
 * Copyright (C) 2016 Tony Lindgren <tony@atomide.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/device.h>
#include <linux/regmap.h>

#define CPCAP_VENDOR_ST         0
#define CPCAP_VENDOR_TI         1

#define CPCAP_REVISION_MAJOR(r) (((r) >> 4) + 1)
#define CPCAP_REVISION_MINOR(r) ((r) & 0xf)

#define CPCAP_REVISION_1_0      0x08
#define CPCAP_REVISION_1_1      0x09
#define CPCAP_REVISION_2_0      0x10
#define CPCAP_REVISION_2_1      0x11

/* CPCAP registers */
#define CPCAP_REG_INT1          0x0000  /* Interrupt 1 */
#define CPCAP_REG_INT2          0x0004  /* Interrupt 2 */
#define CPCAP_REG_INT3          0x0008  /* Interrupt 3 */
#define CPCAP_REG_INT4          0x000c  /* Interrupt 4 */
#define CPCAP_REG_INTM1         0x0010  /* Interrupt Mask 1 */
#define CPCAP_REG_INTM2         0x0014  /* Interrupt Mask 2 */
#define CPCAP_REG_INTM3         0x0018  /* Interrupt Mask 3 */
#define CPCAP_REG_INTM4         0x001c  /* Interrupt Mask 4 */
#define CPCAP_REG_INTS1         0x0020  /* Interrupt Sense 1 */
#define CPCAP_REG_INTS2         0x0024  /* Interrupt Sense 2 */
#define CPCAP_REG_INTS3         0x0028  /* Interrupt Sense 3 */
#define CPCAP_REG_INTS4         0x002c  /* Interrupt Sense 4 */
#define CPCAP_REG_ASSIGN1       0x0030  /* Resource Assignment 1 */
#define CPCAP_REG_ASSIGN2       0x0034  /* Resource Assignment 2 */
#define CPCAP_REG_ASSIGN3       0x0038  /* Resource Assignment 3 */
#define CPCAP_REG_ASSIGN4       0x003c  /* Resource Assignment 4 */
#define CPCAP_REG_ASSIGN5       0x0040  /* Resource Assignment 5 */
#define CPCAP_REG_ASSIGN6       0x0044  /* Resource Assignment 6 */
#define CPCAP_REG_VERSC1        0x0048  /* Version Control 1 */
#define CPCAP_REG_VERSC2        0x004c  /* Version Control 2 */

#define CPCAP_REG_MI1           0x0200  /* Macro Interrupt 1 */
#define CPCAP_REG_MIM1          0x0204  /* Macro Interrupt Mask 1 */
#define CPCAP_REG_MI2           0x0208  /* Macro Interrupt 2 */
#define CPCAP_REG_MIM2          0x020c  /* Macro Interrupt Mask 2 */
#define CPCAP_REG_UCC1          0x0210  /* UC Control 1 */
#define CPCAP_REG_UCC2          0x0214  /* UC Control 2 */

#define CPCAP_REG_PC1           0x021c  /* Power Cut 1 */
#define CPCAP_REG_PC2           0x0220  /* Power Cut 2 */
#define CPCAP_REG_BPEOL         0x0224  /* BP and EOL */
#define CPCAP_REG_PGC           0x0228  /* Power Gate and Control */
#define CPCAP_REG_MT1           0x022c  /* Memory Transfer 1 */
#define CPCAP_REG_MT2           0x0230  /* Memory Transfer 2 */
#define CPCAP_REG_MT3           0x0234  /* Memory Transfer 3 */
#define CPCAP_REG_PF            0x0238  /* Print Format */

#define CPCAP_REG_SCC           0x0400  /* System Clock Control */
#define CPCAP_REG_SW1           0x0404  /* Stop Watch 1 */
#define CPCAP_REG_SW2           0x0408  /* Stop Watch 2 */
#define CPCAP_REG_UCTM          0x040c  /* UC Turbo Mode */
#define CPCAP_REG_TOD1          0x0410  /* Time of Day 1 */
#define CPCAP_REG_TOD2          0x0414  /* Time of Day 2 */
#define CPCAP_REG_TODA1         0x0418  /* Time of Day Alarm 1 */
#define CPCAP_REG_TODA2         0x041c  /* Time of Day Alarm 2 */
#define CPCAP_REG_DAY           0x0420  /* Day */
#define CPCAP_REG_DAYA          0x0424  /* Day Alarm */
#define CPCAP_REG_VAL1          0x0428  /* Validity 1 */
#define CPCAP_REG_VAL2          0x042c  /* Validity 2 */

#define CPCAP_REG_SDVSPLL       0x0600  /* Switcher DVS and PLL */
#define CPCAP_REG_SI2CC1        0x0604  /* Switcher I2C Control 1 */
#define CPCAP_REG_Si2CC2        0x0608  /* Switcher I2C Control 2 */
#define CPCAP_REG_S1C1          0x060c  /* Switcher 1 Control 1 */
#define CPCAP_REG_S1C2          0x0610  /* Switcher 1 Control 2 */
#define CPCAP_REG_S2C1          0x0614  /* Switcher 2 Control 1 */
#define CPCAP_REG_S2C2          0x0618  /* Switcher 2 Control 2 */
#define CPCAP_REG_S3C           0x061c  /* Switcher 3 Control */
#define CPCAP_REG_S4C1          0x0620  /* Switcher 4 Control 1 */
#define CPCAP_REG_S4C2          0x0624  /* Switcher 4 Control 2 */
#define CPCAP_REG_S5C           0x0628  /* Switcher 5 Control */
#define CPCAP_REG_S6C           0x062c  /* Switcher 6 Control */
#define CPCAP_REG_VCAMC         0x0630  /* VCAM Control */
#define CPCAP_REG_VCSIC         0x0634  /* VCSI Control */
#define CPCAP_REG_VDACC         0x0638  /* VDAC Control */
#define CPCAP_REG_VDIGC         0x063c  /* VDIG Control */
#define CPCAP_REG_VFUSEC        0x0640  /* VFUSE Control */
#define CPCAP_REG_VHVIOC        0x0644  /* VHVIO Control */
#define CPCAP_REG_VSDIOC        0x0648  /* VSDIO Control */
#define CPCAP_REG_VPLLC         0x064c  /* VPLL Control */
#define CPCAP_REG_VRF1C         0x0650  /* VRF1 Control */
#define CPCAP_REG_VRF2C         0x0654  /* VRF2 Control */
#define CPCAP_REG_VRFREFC       0x0658  /* VRFREF Control */
#define CPCAP_REG_VWLAN1C       0x065c  /* VWLAN1 Control */
#define CPCAP_REG_VWLAN2C       0x0660  /* VWLAN2 Control */
#define CPCAP_REG_VSIMC         0x0664  /* VSIM Control */
#define CPCAP_REG_VVIBC         0x0668  /* VVIB Control */
#define CPCAP_REG_VUSBC         0x066c  /* VUSB Control */
#define CPCAP_REG_VUSBINT1C     0x0670  /* VUSBINT1 Control */
#define CPCAP_REG_VUSBINT2C     0x0674  /* VUSBINT2 Control */
#define CPCAP_REG_URT           0x0678  /* Useroff Regulator Trigger */
#define CPCAP_REG_URM1          0x067c  /* Useroff Regulator Mask 1 */
#define CPCAP_REG_URM2          0x0680  /* Useroff Regulator Mask 2 */

#define CPCAP_REG_VAUDIOC       0x0800  /* VAUDIO Control */
#define CPCAP_REG_CC            0x0804  /* Codec Control */
#define CPCAP_REG_CDI           0x0808  /* Codec Digital Interface */
#define CPCAP_REG_SDAC          0x080c  /* Stereo DAC */
#define CPCAP_REG_SDACDI        0x0810  /* Stereo DAC Digital Interface */
#define CPCAP_REG_TXI           0x0814  /* TX Inputs */
#define CPCAP_REG_TXMP          0x0818  /* TX MIC PGA's */
#define CPCAP_REG_RXOA          0x081c  /* RX Output Amplifiers */
#define CPCAP_REG_RXVC          0x0820  /* RX Volume Control */
#define CPCAP_REG_RXCOA         0x0824  /* RX Codec to Output Amps */
#define CPCAP_REG_RXSDOA        0x0828  /* RX Stereo DAC to Output Amps */
#define CPCAP_REG_RXEPOA        0x082c  /* RX External PGA to Output Amps */
#define CPCAP_REG_RXLL          0x0830  /* RX Low Latency */
#define CPCAP_REG_A2LA          0x0834  /* A2 Loudspeaker Amplifier */
#define CPCAP_REG_MIPIS1        0x0838  /* MIPI Slimbus 1 */
#define CPCAP_REG_MIPIS2        0x083c  /* MIPI Slimbus 2 */
#define CPCAP_REG_MIPIS3        0x0840  /* MIPI Slimbus 3. */
#define CPCAP_REG_LVAB          0x0844  /* LMR Volume and A4 Balanced. */

#define CPCAP_REG_CCC1          0x0a00  /* Coulomb Counter Control 1 */
#define CPCAP_REG_CRM           0x0a04  /* Charger and Reverse Mode */
#define CPCAP_REG_CCCC2         0x0a08  /* Coincell and Coulomb Ctr Ctrl 2 */
#define CPCAP_REG_CCS1          0x0a0c  /* Coulomb Counter Sample 1 */
#define CPCAP_REG_CCS2          0x0a10  /* Coulomb Counter Sample 2 */
#define CPCAP_REG_CCA1          0x0a14  /* Coulomb Counter Accumulator 1 */
#define CPCAP_REG_CCA2          0x0a18  /* Coulomb Counter Accumulator 2 */
#define CPCAP_REG_CCM           0x0a1c  /* Coulomb Counter Mode */
#define CPCAP_REG_CCO           0x0a20  /* Coulomb Counter Offset */
#define CPCAP_REG_CCI           0x0a24  /* Coulomb Counter Integrator */

#define CPCAP_REG_ADCC1         0x0c00  /* A/D Converter Configuration 1 */
#define CPCAP_REG_ADCC2         0x0c04  /* A/D Converter Configuration 2 */
#define CPCAP_REG_ADCD0         0x0c08  /* A/D Converter Data 0 */
#define CPCAP_REG_ADCD1         0x0c0c  /* A/D Converter Data 1 */
#define CPCAP_REG_ADCD2         0x0c10  /* A/D Converter Data 2 */
#define CPCAP_REG_ADCD3         0x0c14  /* A/D Converter Data 3 */
#define CPCAP_REG_ADCD4         0x0c18  /* A/D Converter Data 4 */
#define CPCAP_REG_ADCD5         0x0c1c  /* A/D Converter Data 5 */
#define CPCAP_REG_ADCD6         0x0c20  /* A/D Converter Data 6 */
#define CPCAP_REG_ADCD7         0x0c24  /* A/D Converter Data 7 */
#define CPCAP_REG_ADCAL1        0x0c28  /* A/D Converter Calibration 1 */
#define CPCAP_REG_ADCAL2        0x0c2c  /* A/D Converter Calibration 2 */

#define CPCAP_REG_USBC1         0x0e00  /* USB Control 1 */
#define CPCAP_REG_USBC2         0x0e04  /* USB Control 2 */
#define CPCAP_REG_USBC3         0x0e08  /* USB Control 3 */
#define CPCAP_REG_UVIDL         0x0e0c  /* ULPI Vendor ID Low */
#define CPCAP_REG_UVIDH         0x0e10  /* ULPI Vendor ID High */
#define CPCAP_REG_UPIDL         0x0e14  /* ULPI Product ID Low */
#define CPCAP_REG_UPIDH         0x0e18  /* ULPI Product ID High */
#define CPCAP_REG_UFC1          0x0e1c  /* ULPI Function Control 1 */
#define CPCAP_REG_UFC2          0x0e20  /* ULPI Function Control 2 */
#define CPCAP_REG_UFC3          0x0e24  /* ULPI Function Control 3 */
#define CPCAP_REG_UIC1          0x0e28  /* ULPI Interface Control 1 */
#define CPCAP_REG_UIC2          0x0e2c  /* ULPI Interface Control 2 */
#define CPCAP_REG_UIC3          0x0e30  /* ULPI Interface Control 3 */
#define CPCAP_REG_USBOTG1       0x0e34  /* USB OTG Control 1 */
#define CPCAP_REG_USBOTG2       0x0e38  /* USB OTG Control 2 */
#define CPCAP_REG_USBOTG3       0x0e3c  /* USB OTG Control 3 */
#define CPCAP_REG_UIER1         0x0e40  /* USB Interrupt Enable Rising 1 */
#define CPCAP_REG_UIER2         0x0e44  /* USB Interrupt Enable Rising 2 */
#define CPCAP_REG_UIER3         0x0e48  /* USB Interrupt Enable Rising 3 */
#define CPCAP_REG_UIEF1         0x0e4c  /* USB Interrupt Enable Falling 1 */
#define CPCAP_REG_UIEF2         0x0e50  /* USB Interrupt Enable Falling 1 */
#define CPCAP_REG_UIEF3         0x0e54  /* USB Interrupt Enable Falling 1 */
#define CPCAP_REG_UIS           0x0e58  /* USB Interrupt Status */
#define CPCAP_REG_UIL           0x0e5c  /* USB Interrupt Latch */
#define CPCAP_REG_USBD          0x0e60  /* USB Debug */
#define CPCAP_REG_SCR1          0x0e64  /* Scratch 1 */
#define CPCAP_REG_SCR2          0x0e68  /* Scratch 2 */
#define CPCAP_REG_SCR3          0x0e6c  /* Scratch 3 */

#define CPCAP_REG_VMC           0x0eac  /* Video Mux Control */
#define CPCAP_REG_OWDC          0x0eb0  /* One Wire Device Control */
#define CPCAP_REG_GPIO0         0x0eb4  /* GPIO 0 Control */

#define CPCAP_REG_GPIO1         0x0ebc  /* GPIO 1 Control */

#define CPCAP_REG_GPIO2         0x0ec4  /* GPIO 2 Control */

#define CPCAP_REG_GPIO3         0x0ecc  /* GPIO 3 Control */

#define CPCAP_REG_GPIO4         0x0ed4  /* GPIO 4 Control */

#define CPCAP_REG_GPIO5         0x0edc  /* GPIO 5 Control */

#define CPCAP_REG_GPIO6         0x0ee4  /* GPIO 6 Control */

#define CPCAP_REG_MDLC          0x1000  /* Main Display Lighting Control */
#define CPCAP_REG_KLC           0x1004  /* Keypad Lighting Control */
#define CPCAP_REG_ADLC          0x1008  /* Aux Display Lighting Control */
#define CPCAP_REG_REDC          0x100c  /* Red Triode Control */
#define CPCAP_REG_GREENC        0x1010  /* Green Triode Control */
#define CPCAP_REG_BLUEC         0x1014  /* Blue Triode Control */
#define CPCAP_REG_CFC           0x1018  /* Camera Flash Control */
#define CPCAP_REG_ABC           0x101c  /* Adaptive Boost Control */
#define CPCAP_REG_BLEDC         0x1020  /* Bluetooth LED Control */
#define CPCAP_REG_CLEDC         0x1024  /* Camera Privacy LED Control */

#define CPCAP_REG_OW1C          0x1200  /* One Wire 1 Command */
#define CPCAP_REG_OW1D          0x1204  /* One Wire 1 Data */
#define CPCAP_REG_OW1I          0x1208  /* One Wire 1 Interrupt */
#define CPCAP_REG_OW1IE         0x120c  /* One Wire 1 Interrupt Enable */

#define CPCAP_REG_OW1           0x1214  /* One Wire 1 Control */

#define CPCAP_REG_OW2C          0x1220  /* One Wire 2 Command */
#define CPCAP_REG_OW2D          0x1224  /* One Wire 2 Data */
#define CPCAP_REG_OW2I          0x1228  /* One Wire 2 Interrupt */
#define CPCAP_REG_OW2IE         0x122c  /* One Wire 2 Interrupt Enable */

#define CPCAP_REG_OW2           0x1234  /* One Wire 2 Control */

#define CPCAP_REG_OW3C          0x1240  /* One Wire 3 Command */
#define CPCAP_REG_OW3D          0x1244  /* One Wire 3 Data */
#define CPCAP_REG_OW3I          0x1248  /* One Wire 3 Interrupt */
#define CPCAP_REG_OW3IE         0x124c  /* One Wire 3 Interrupt Enable */

#define CPCAP_REG_OW3           0x1254  /* One Wire 3 Control */
#define CPCAP_REG_GCAIC         0x1258  /* GCAI Clock Control */
#define CPCAP_REG_GCAIM         0x125c  /* GCAI GPIO Mode */
#define CPCAP_REG_LGDIR         0x1260  /* LMR GCAI GPIO Direction */
#define CPCAP_REG_LGPU          0x1264  /* LMR GCAI GPIO Pull-up */
#define CPCAP_REG_LGPIN         0x1268  /* LMR GCAI GPIO Pin */
#define CPCAP_REG_LGMASK        0x126c  /* LMR GCAI GPIO Mask */
#define CPCAP_REG_LDEB          0x1270  /* LMR Debounce Settings */
#define CPCAP_REG_LGDET         0x1274  /* LMR GCAI Detach Detect */
#define CPCAP_REG_LMISC         0x1278  /* LMR Misc Bits */
#define CPCAP_REG_LMACE         0x127c  /* LMR Mace IC Support */

#define CPCAP_REG_TEST          0x7c00  /* Test */

#define CPCAP_REG_ST_TEST1      0x7d08  /* ST Test1 */

#define CPCAP_REG_ST_TEST2      0x7d18  /* ST Test2 */

/*
 * Helpers for child devices to check the revision and vendor.
 *
 * REVISIT: No documentation for the bits below, please update
 * to use proper names for defines when available.
 */

static inline int cpcap_get_revision(struct device *dev,
                                     struct regmap *regmap,
                                     u16 *revision)
{
        unsigned int val;
        int ret;

        ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
        if (ret) {
                dev_err(dev, "Could not read revision\n");

                return ret;
        }

        *revision = ((val >> 3) & 0x7) | ((val << 3) & 0x38);

        return 0;
}

static inline int cpcap_get_vendor(struct device *dev,
                                   struct regmap *regmap,
                                   u16 *vendor)
{
        unsigned int val;
        int ret;

        ret = regmap_read(regmap, CPCAP_REG_VERSC1, &val);
        if (ret) {
                dev_err(dev, "Could not read vendor\n");

                return ret;
        }

        *vendor = (val >> 6) & 0x7;

        return 0;
}

extern int cpcap_sense_virq(struct regmap *regmap, int virq);