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/*
 * 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);