+++ /dev/null
-/*
- * Copyright (C) 2007-2011 ST-Ericsson
- * License terms: GNU General Public License (GPL) version 2
- * Low-level core for exclusive access to the AB5500 IC on the I2C bus
- * and some basic chip-configuration.
- * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
- * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
- * Author: Mattias Wallin <mattias.wallin@stericsson.com>
- * Author: Rickard Andersson <rickard.andersson@stericsson.com>
- * Author: Karl Komierowski <karl.komierowski@stericsson.com>
- * Author: Bibek Basu <bibek.basu@stericsson.com>
- *
- * TODO: Event handling with irq_chip. Waiting for PRCMU fw support.
- */
-
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/device.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/random.h>
-#include <linux/mfd/abx500.h>
-#include <linux/mfd/abx500/ab5500.h>
-#include <linux/list.h>
-#include <linux/bitops.h>
-#include <linux/spinlock.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/db5500-prcmu.h>
-
-#include "ab5500-core.h"
-#include "ab5500-debugfs.h"
-
-#define AB5500_NUM_EVENT_REG 23
-#define AB5500_IT_LATCH0_REG 0x40
-#define AB5500_IT_MASK0_REG 0x60
-
-/*
- * Permissible register ranges for reading and writing per device and bank.
- *
- * The ranges must be listed in increasing address order, and no overlaps are
- * allowed. It is assumed that write permission implies read permission
- * (i.e. only RO and RW permissions should be used). Ranges with write
- * permission must not be split up.
- */
-
-#define NO_RANGE {.count = 0, .range = NULL,}
-static struct ab5500_i2c_banks ab5500_bank_ranges[AB5500_NUM_DEVICES] = {
- [AB5500_DEVID_USB] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_USB,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x80,
- .last = 0x83,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x87,
- .last = 0x8A,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x8B,
- .last = 0x8B,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x91,
- .last = 0x92,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x93,
- .last = 0x93,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x94,
- .last = 0x94,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xA8,
- .last = 0xB0,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xB2,
- .last = 0xB2,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xB4,
- .last = 0xBC,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xBF,
- .last = 0xBF,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xC1,
- .last = 0xC5,
- .perm = AB5500_PERM_RO,
- },
- },
- },
- },
- },
- [AB5500_DEVID_ADC] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_ADC,
- .nranges = 6,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x1F,
- .last = 0x22,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x23,
- .last = 0x24,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x26,
- .last = 0x2D,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x2F,
- .last = 0x34,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x37,
- .last = 0x57,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x58,
- .last = 0x58,
- .perm = AB5500_PERM_RO,
- },
- },
- },
- },
- },
- [AB5500_DEVID_LEDS] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_LED,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0C,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_VIDEO] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_VDENC,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x08,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x09,
- .last = 0x09,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x0A,
- .last = 0x12,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x15,
- .last = 0x19,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1B,
- .last = 0x21,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x27,
- .last = 0x2C,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x41,
- .last = 0x41,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x45,
- .last = 0x5B,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x5D,
- .last = 0x5D,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x69,
- .last = 0x69,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x6C,
- .last = 0x6D,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x80,
- .last = 0x81,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_REGULATORS] = {
- .nbanks = 2,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_STARTUP,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1F,
- .last = 0x1F,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x2E,
- .last = 0x2E,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x2F,
- .last = 0x30,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x50,
- .last = 0x51,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x60,
- .last = 0x61,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x66,
- .last = 0x8A,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x8C,
- .last = 0x96,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xAA,
- .last = 0xB4,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xB7,
- .last = 0xBF,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xC1,
- .last = 0xCA,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xD3,
- .last = 0xE0,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- {
- .bankid = AB5500_BANK_SIM_USBSIM,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x13,
- .last = 0x19,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_SIM] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_SIM_USBSIM,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x13,
- .last = 0x19,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_RTC] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_RTC,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x04,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x06,
- .last = 0x0C,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_CHARGER] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_CHG,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x11,
- .last = 0x11,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x12,
- .last = 0x1B,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_FUELGAUGE] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_FG_BATTCOM_ACC,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0B,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x0C,
- .last = 0x10,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_VIBRATOR] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_VIBRA,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x10,
- .last = 0x13,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xFE,
- .last = 0xFE,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_CODEC] = {
- .nbanks = 1,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_AUDIO_HEADSETUSB,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x48,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xEB,
- .last = 0xFB,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
- [AB5500_DEVID_POWER] = {
- .nbanks = 2,
- .bank = (struct ab5500_i2c_ranges []) {
- {
- .bankid = AB5500_BANK_STARTUP,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x30,
- .last = 0x30,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- {
- .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- },
- },
-};
-
-#define AB5500_IRQ(bank, bit) ((bank) * 8 + (bit))
-
-/* I appologize for the resource names beeing a mix of upper case
- * and lower case but I want them to be exact as the documentation */
-static struct mfd_cell ab5500_devs[AB5500_NUM_DEVICES] = {
- [AB5500_DEVID_LEDS] = {
- .name = "ab5500-leds",
- .id = AB5500_DEVID_LEDS,
- },
- [AB5500_DEVID_POWER] = {
- .name = "ab5500-power",
- .id = AB5500_DEVID_POWER,
- },
- [AB5500_DEVID_REGULATORS] = {
- .name = "ab5500-regulator",
- .id = AB5500_DEVID_REGULATORS,
- },
- [AB5500_DEVID_SIM] = {
- .name = "ab5500-sim",
- .id = AB5500_DEVID_SIM,
- .num_resources = 1,
- .resources = (struct resource[]) {
- {
- .name = "SIMOFF",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(2, 0), /*rising*/
- .end = AB5500_IRQ(2, 1), /*falling*/
- },
- },
- },
- [AB5500_DEVID_RTC] = {
- .name = "ab5500-rtc",
- .id = AB5500_DEVID_RTC,
- .num_resources = 1,
- .resources = (struct resource[]) {
- {
- .name = "RTC_Alarm",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(1, 7),
- .end = AB5500_IRQ(1, 7),
- }
- },
- },
- [AB5500_DEVID_CHARGER] = {
- .name = "ab5500-charger",
- .id = AB5500_DEVID_CHARGER,
- },
- [AB5500_DEVID_ADC] = {
- .name = "ab5500-adc",
- .id = AB5500_DEVID_ADC,
- .num_resources = 10,
- .resources = (struct resource[]) {
- {
- .name = "TRIGGER-0",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 0),
- .end = AB5500_IRQ(0, 0),
- },
- {
- .name = "TRIGGER-1",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 1),
- .end = AB5500_IRQ(0, 1),
- },
- {
- .name = "TRIGGER-2",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 2),
- .end = AB5500_IRQ(0, 2),
- },
- {
- .name = "TRIGGER-3",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 3),
- .end = AB5500_IRQ(0, 3),
- },
- {
- .name = "TRIGGER-4",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 4),
- .end = AB5500_IRQ(0, 4),
- },
- {
- .name = "TRIGGER-5",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 5),
- .end = AB5500_IRQ(0, 5),
- },
- {
- .name = "TRIGGER-6",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 6),
- .end = AB5500_IRQ(0, 6),
- },
- {
- .name = "TRIGGER-7",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 7),
- .end = AB5500_IRQ(0, 7),
- },
- {
- .name = "TRIGGER-VBAT",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 8),
- .end = AB5500_IRQ(0, 8),
- },
- {
- .name = "TRIGGER-VBAT-TXON",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(0, 9),
- .end = AB5500_IRQ(0, 9),
- },
- },
- },
- [AB5500_DEVID_FUELGAUGE] = {
- .name = "ab5500-fuelgauge",
- .id = AB5500_DEVID_FUELGAUGE,
- .num_resources = 6,
- .resources = (struct resource[]) {
- {
- .name = "Batt_attach",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(7, 5),
- .end = AB5500_IRQ(7, 5),
- },
- {
- .name = "Batt_removal",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(7, 6),
- .end = AB5500_IRQ(7, 6),
- },
- {
- .name = "UART_framing",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(7, 7),
- .end = AB5500_IRQ(7, 7),
- },
- {
- .name = "UART_overrun",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 0),
- .end = AB5500_IRQ(8, 0),
- },
- {
- .name = "UART_Rdy_RX",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 1),
- .end = AB5500_IRQ(8, 1),
- },
- {
- .name = "UART_Rdy_TX",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 2),
- .end = AB5500_IRQ(8, 2),
- },
- },
- },
- [AB5500_DEVID_VIBRATOR] = {
- .name = "ab5500-vibrator",
- .id = AB5500_DEVID_VIBRATOR,
- },
- [AB5500_DEVID_CODEC] = {
- .name = "ab5500-codec",
- .id = AB5500_DEVID_CODEC,
- .num_resources = 3,
- .resources = (struct resource[]) {
- {
- .name = "audio_spkr1_ovc",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 5),
- .end = AB5500_IRQ(9, 5),
- },
- {
- .name = "audio_plllocked",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 6),
- .end = AB5500_IRQ(9, 6),
- },
- {
- .name = "audio_spkr2_ovc",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(17, 4),
- .end = AB5500_IRQ(17, 4),
- },
- },
- },
- [AB5500_DEVID_USB] = {
- .name = "ab5500-usb",
- .id = AB5500_DEVID_USB,
- .num_resources = 36,
- .resources = (struct resource[]) {
- {
- .name = "Link_Update",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(22, 1),
- .end = AB5500_IRQ(22, 1),
- },
- {
- .name = "DCIO",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 3),
- .end = AB5500_IRQ(8, 4),
- },
- {
- .name = "VBUS_R",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 5),
- .end = AB5500_IRQ(8, 5),
- },
- {
- .name = "VBUS_F",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 6),
- .end = AB5500_IRQ(8, 6),
- },
- {
- .name = "CHGstate_10_PCVBUSchg",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(8, 7),
- .end = AB5500_IRQ(8, 7),
- },
- {
- .name = "DCIOreverse_ovc",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 0),
- .end = AB5500_IRQ(9, 0),
- },
- {
- .name = "USBCharDetDone",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 1),
- .end = AB5500_IRQ(9, 1),
- },
- {
- .name = "DCIO_no_limit",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 2),
- .end = AB5500_IRQ(9, 2),
- },
- {
- .name = "USB_suspend",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 3),
- .end = AB5500_IRQ(9, 3),
- },
- {
- .name = "DCIOreverse_fwdcurrent",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 4),
- .end = AB5500_IRQ(9, 4),
- },
- {
- .name = "Vbus_Imeasmax_change",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(9, 5),
- .end = AB5500_IRQ(9, 6),
- },
- {
- .name = "OVV",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 5),
- .end = AB5500_IRQ(14, 5),
- },
- {
- .name = "USBcharging_NOTok",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 3),
- .end = AB5500_IRQ(15, 3),
- },
- {
- .name = "usb_adp_sensoroff",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 6),
- .end = AB5500_IRQ(15, 6),
- },
- {
- .name = "usb_adp_probeplug",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 7),
- .end = AB5500_IRQ(15, 7),
- },
- {
- .name = "usb_adp_sinkerror",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 0),
- .end = AB5500_IRQ(16, 6),
- },
- {
- .name = "usb_adp_sourceerror",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 1),
- .end = AB5500_IRQ(16, 1),
- },
- {
- .name = "usb_idgnd_r",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 2),
- .end = AB5500_IRQ(16, 2),
- },
- {
- .name = "usb_idgnd_f",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 3),
- .end = AB5500_IRQ(16, 3),
- },
- {
- .name = "usb_iddetR1",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 4),
- .end = AB5500_IRQ(16, 5),
- },
- {
- .name = "usb_iddetR2",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(16, 6),
- .end = AB5500_IRQ(16, 7),
- },
- {
- .name = "usb_iddetR3",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(17, 0),
- .end = AB5500_IRQ(17, 1),
- },
- {
- .name = "usb_iddetR4",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(17, 2),
- .end = AB5500_IRQ(17, 3),
- },
- {
- .name = "CharTempWindowOk",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(17, 7),
- .end = AB5500_IRQ(18, 0),
- },
- {
- .name = "USB_SprDetect",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(18, 1),
- .end = AB5500_IRQ(18, 1),
- },
- {
- .name = "usb_adp_probe_unplug",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(18, 2),
- .end = AB5500_IRQ(18, 2),
- },
- {
- .name = "VBUSChDrop",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(18, 3),
- .end = AB5500_IRQ(18, 4),
- },
- {
- .name = "dcio_char_rec_done",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(18, 5),
- .end = AB5500_IRQ(18, 5),
- },
- {
- .name = "Charging_stopped_by_temp",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(18, 6),
- .end = AB5500_IRQ(18, 6),
- },
- {
- .name = "CHGstate_11_SafeModeVBUS",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 1),
- .end = AB5500_IRQ(21, 2),
- },
- {
- .name = "CHGstate_12_comletedVBUS",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 2),
- .end = AB5500_IRQ(21, 2),
- },
- {
- .name = "CHGstate_13_completedVBUS",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 3),
- .end = AB5500_IRQ(21, 3),
- },
- {
- .name = "CHGstate_14_FullChgDCIO",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 4),
- .end = AB5500_IRQ(21, 4),
- },
- {
- .name = "CHGstate_15_SafeModeDCIO",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 5),
- .end = AB5500_IRQ(21, 5),
- },
- {
- .name = "CHGstate_16_OFFsuspendDCIO",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 6),
- .end = AB5500_IRQ(21, 6),
- },
- {
- .name = "CHGstate_17_completedDCIO",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(21, 7),
- .end = AB5500_IRQ(21, 7),
- },
- },
- },
- [AB5500_DEVID_OTP] = {
- .name = "ab5500-otp",
- .id = AB5500_DEVID_OTP,
- },
- [AB5500_DEVID_VIDEO] = {
- .name = "ab5500-video",
- .id = AB5500_DEVID_VIDEO,
- .num_resources = 1,
- .resources = (struct resource[]) {
- {
- .name = "plugTVdet",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(22, 2),
- .end = AB5500_IRQ(22, 2),
- },
- },
- },
- [AB5500_DEVID_DBIECI] = {
- .name = "ab5500-dbieci",
- .id = AB5500_DEVID_DBIECI,
- .num_resources = 10,
- .resources = (struct resource[]) {
- {
- .name = "COLL",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 0),
- .end = AB5500_IRQ(14, 0),
- },
- {
- .name = "RESERR",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 1),
- .end = AB5500_IRQ(14, 1),
- },
- {
- .name = "FRAERR",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 2),
- .end = AB5500_IRQ(14, 2),
- },
- {
- .name = "COMERR",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 3),
- .end = AB5500_IRQ(14, 3),
- },
- {
- .name = "BSI_indicator",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 4),
- .end = AB5500_IRQ(14, 4),
- },
- {
- .name = "SPDSET",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 6),
- .end = AB5500_IRQ(14, 6),
- },
- {
- .name = "DSENT",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(14, 7),
- .end = AB5500_IRQ(14, 7),
- },
- {
- .name = "DREC",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 0),
- .end = AB5500_IRQ(15, 0),
- },
- {
- .name = "ACCINT",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 1),
- .end = AB5500_IRQ(15, 1),
- },
- {
- .name = "NOPINT",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(15, 2),
- .end = AB5500_IRQ(15, 2),
- },
- },
- },
- [AB5500_DEVID_ONSWA] = {
- .name = "ab5500-onswa",
- .id = AB5500_DEVID_ONSWA,
- .num_resources = 2,
- .resources = (struct resource[]) {
- {
- .name = "ONSWAn_rising",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(1, 3),
- .end = AB5500_IRQ(1, 3),
- },
- {
- .name = "ONSWAn_falling",
- .flags = IORESOURCE_IRQ,
- .start = AB5500_IRQ(1, 4),
- .end = AB5500_IRQ(1, 4),
- },
- },
- },
-};
-
-/*
- * Functionality for getting/setting register values.
- */
-int ab5500_get_register_interruptible_raw(struct ab5500 *ab,
- u8 bank, u8 reg,
- u8 *value)
-{
- int err;
-
- if (bank >= AB5500_NUM_BANKS)
- return -EINVAL;
-
- err = mutex_lock_interruptible(&ab->access_mutex);
- if (err)
- return err;
- err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr, reg, value, 1);
-
- mutex_unlock(&ab->access_mutex);
- return err;
-}
-
-static int get_register_page_interruptible(struct ab5500 *ab, u8 bank,
- u8 first_reg, u8 *regvals, u8 numregs)
-{
- int err;
-
- if (bank >= AB5500_NUM_BANKS)
- return -EINVAL;
-
- err = mutex_lock_interruptible(&ab->access_mutex);
- if (err)
- return err;
-
- while (numregs) {
- /* The hardware limit for get page is 4 */
- u8 curnum = min_t(u8, numregs, 4u);
-
- err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr,
- first_reg, regvals, curnum);
- if (err)
- goto out;
-
- numregs -= curnum;
- first_reg += curnum;
- regvals += curnum;
- }
-
-out:
- mutex_unlock(&ab->access_mutex);
- return err;
-}
-
-int ab5500_mask_and_set_register_interruptible_raw(struct ab5500 *ab, u8 bank,
- u8 reg, u8 bitmask, u8 bitvalues)
-{
- int err = 0;
-
- if (bank >= AB5500_NUM_BANKS)
- return -EINVAL;
-
- if (bitmask) {
- u8 buf;
-
- err = mutex_lock_interruptible(&ab->access_mutex);
- if (err)
- return err;
-
- if (bitmask == 0xFF) /* No need to read in this case. */
- buf = bitvalues;
- else { /* Read and modify the register value. */
- err = db5500_prcmu_abb_read(bankinfo[bank].slave_addr,
- reg, &buf, 1);
- if (err)
- return err;
-
- buf = ((~bitmask & buf) | (bitmask & bitvalues));
- }
- /* Write the new value. */
- err = db5500_prcmu_abb_write(bankinfo[bank].slave_addr, reg,
- &buf, 1);
-
- mutex_unlock(&ab->access_mutex);
- }
- return err;
-}
-
-static int
-set_register_interruptible(struct ab5500 *ab, u8 bank, u8 reg, u8 value)
-{
- return ab5500_mask_and_set_register_interruptible_raw(ab, bank, reg,
- 0xff, value);
-}
-
-/*
- * Read/write permission checking functions.
- */
-static const struct ab5500_i2c_ranges *get_bankref(u8 devid, u8 bank)
-{
- u8 i;
-
- if (devid < AB5500_NUM_DEVICES) {
- for (i = 0; i < ab5500_bank_ranges[devid].nbanks; i++) {
- if (ab5500_bank_ranges[devid].bank[i].bankid == bank)
- return &ab5500_bank_ranges[devid].bank[i];
- }
- }
- return NULL;
-}
-
-static bool page_write_allowed(u8 devid, u8 bank, u8 first_reg, u8 last_reg)
-{
- u8 i; /* range loop index */
- const struct ab5500_i2c_ranges *bankref;
-
- bankref = get_bankref(devid, bank);
- if (bankref == NULL || last_reg < first_reg)
- return false;
-
- for (i = 0; i < bankref->nranges; i++) {
- if (first_reg < bankref->range[i].first)
- break;
- if ((last_reg <= bankref->range[i].last) &&
- (bankref->range[i].perm & AB5500_PERM_WR))
- return true;
- }
- return false;
-}
-
-static bool reg_write_allowed(u8 devid, u8 bank, u8 reg)
-{
- return page_write_allowed(devid, bank, reg, reg);
-}
-
-static bool page_read_allowed(u8 devid, u8 bank, u8 first_reg, u8 last_reg)
-{
- u8 i;
- const struct ab5500_i2c_ranges *bankref;
-
- bankref = get_bankref(devid, bank);
- if (bankref == NULL || last_reg < first_reg)
- return false;
-
-
- /* Find the range (if it exists in the list) that includes first_reg. */
- for (i = 0; i < bankref->nranges; i++) {
- if (first_reg < bankref->range[i].first)
- return false;
- if (first_reg <= bankref->range[i].last)
- break;
- }
- /* Make sure that the entire range up to and including last_reg is
- * readable. This may span several of the ranges in the list.
- */
- while ((i < bankref->nranges) &&
- (bankref->range[i].perm & AB5500_PERM_RD)) {
- if (last_reg <= bankref->range[i].last)
- return true;
- if ((++i >= bankref->nranges) ||
- (bankref->range[i].first !=
- (bankref->range[i - 1].last + 1))) {
- break;
- }
- }
- return false;
-}
-
-static bool reg_read_allowed(u8 devid, u8 bank, u8 reg)
-{
- return page_read_allowed(devid, bank, reg, reg);
-}
-
-
-/*
- * The exported register access functionality.
- */
-static int ab5500_get_chip_id(struct device *dev)
-{
- struct ab5500 *ab = dev_get_drvdata(dev->parent);
-
- return (int)ab->chip_id;
-}
-
-static int ab5500_mask_and_set_register_interruptible(struct device *dev,
- u8 bank, u8 reg, u8 bitmask, u8 bitvalues)
-{
- struct ab5500 *ab;
- struct platform_device *pdev = to_platform_device(dev);
-
- if ((AB5500_NUM_BANKS <= bank) ||
- !reg_write_allowed(pdev->id, bank, reg))
- return -EINVAL;
-
- ab = dev_get_drvdata(dev->parent);
- return ab5500_mask_and_set_register_interruptible_raw(ab, bank, reg,
- bitmask, bitvalues);
-}
-
-static int ab5500_set_register_interruptible(struct device *dev, u8 bank,
- u8 reg, u8 value)
-{
- return ab5500_mask_and_set_register_interruptible(dev, bank, reg, 0xFF,
- value);
-}
-
-static int ab5500_get_register_interruptible(struct device *dev, u8 bank,
- u8 reg, u8 *value)
-{
- struct ab5500 *ab;
- struct platform_device *pdev = to_platform_device(dev);
-
- if ((AB5500_NUM_BANKS <= bank) ||
- !reg_read_allowed(pdev->id, bank, reg))
- return -EINVAL;
-
- ab = dev_get_drvdata(dev->parent);
- return ab5500_get_register_interruptible_raw(ab, bank, reg, value);
-}
-
-static int ab5500_get_register_page_interruptible(struct device *dev, u8 bank,
- u8 first_reg, u8 *regvals, u8 numregs)
-{
- struct ab5500 *ab;
- struct platform_device *pdev = to_platform_device(dev);
-
- if ((AB5500_NUM_BANKS <= bank) ||
- !page_read_allowed(pdev->id, bank,
- first_reg, (first_reg + numregs - 1)))
- return -EINVAL;
-
- ab = dev_get_drvdata(dev->parent);
- return get_register_page_interruptible(ab, bank, first_reg, regvals,
- numregs);
-}
-
-static int
-ab5500_event_registers_startup_state_get(struct device *dev, u8 *event)
-{
- struct ab5500 *ab;
-
- ab = dev_get_drvdata(dev->parent);
- if (!ab->startup_events_read)
- return -EAGAIN; /* Try again later */
-
- memcpy(event, ab->startup_events, AB5500_NUM_EVENT_REG);
- return 0;
-}
-
-static struct abx500_ops ab5500_ops = {
- .get_chip_id = ab5500_get_chip_id,
- .get_register = ab5500_get_register_interruptible,
- .set_register = ab5500_set_register_interruptible,
- .get_register_page = ab5500_get_register_page_interruptible,
- .set_register_page = NULL,
- .mask_and_set_register = ab5500_mask_and_set_register_interruptible,
- .event_registers_startup_state_get =
- ab5500_event_registers_startup_state_get,
- .startup_irq_enabled = NULL,
-};
-
-/*
- * ab5500_setup : Basic set-up, datastructure creation/destruction
- * and I2C interface.This sets up a default config
- * in the AB5500 chip so that it will work as expected.
- * @ab : Pointer to ab5500 structure
- * @settings : Pointer to struct abx500_init_settings
- * @size : Size of init data
- */
-static int __init ab5500_setup(struct ab5500 *ab,
- struct abx500_init_settings *settings, unsigned int size)
-{
- int err = 0;
- int i;
-
- for (i = 0; i < size; i++) {
- err = ab5500_mask_and_set_register_interruptible_raw(ab,
- settings[i].bank,
- settings[i].reg,
- 0xFF, settings[i].setting);
- if (err)
- goto exit_no_setup;
-
- /* If event mask register update the event mask in ab5500 */
- if ((settings[i].bank == AB5500_BANK_IT) &&
- (AB5500_MASK_BASE <= settings[i].reg) &&
- (settings[i].reg <= AB5500_MASK_END)) {
- ab->mask[settings[i].reg - AB5500_MASK_BASE] =
- settings[i].setting;
- }
- }
-exit_no_setup:
- return err;
-}
-
-struct ab_family_id {
- u8 id;
- char *name;
-};
-
-static const struct ab_family_id ids[] __initdata = {
- /* AB5500 */
- {
- .id = AB5500_1_0,
- .name = "1.0"
- },
- {
- .id = AB5500_1_1,
- .name = "1.1"
- },
- /* Terminator */
- {
- .id = 0x00,
- }
-};
-
-static int __init ab5500_probe(struct platform_device *pdev)
-{
- struct ab5500 *ab;
- struct ab5500_platform_data *ab5500_plf_data =
- pdev->dev.platform_data;
- int err;
- int i;
-
- ab = kzalloc(sizeof(struct ab5500), GFP_KERNEL);
- if (!ab) {
- dev_err(&pdev->dev,
- "could not allocate ab5500 device\n");
- return -ENOMEM;
- }
-
- /* Initialize data structure */
- mutex_init(&ab->access_mutex);
- mutex_init(&ab->irq_lock);
- ab->dev = &pdev->dev;
-
- platform_set_drvdata(pdev, ab);
-
- /* Read chip ID register */
- err = ab5500_get_register_interruptible_raw(ab,
- AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
- AB5500_CHIP_ID, &ab->chip_id);
- if (err) {
- dev_err(&pdev->dev, "could not communicate with the analog "
- "baseband chip\n");
- goto exit_no_detect;
- }
-
- for (i = 0; ids[i].id != 0x0; i++) {
- if (ids[i].id == ab->chip_id) {
- snprintf(&ab->chip_name[0], sizeof(ab->chip_name) - 1,
- "AB5500 %s", ids[i].name);
- break;
- }
- }
- if (ids[i].id == 0x0) {
- dev_err(&pdev->dev, "unknown analog baseband chip id: 0x%x\n",
- ab->chip_id);
- dev_err(&pdev->dev, "driver not started!\n");
- goto exit_no_detect;
- }
-
- /* Clear and mask all interrupts */
- for (i = 0; i < AB5500_NUM_IRQ_REGS; i++) {
- u8 latchreg = AB5500_IT_LATCH0_REG + i;
- u8 maskreg = AB5500_IT_MASK0_REG + i;
- u8 val;
-
- ab5500_get_register_interruptible_raw(ab, AB5500_BANK_IT,
- latchreg, &val);
- set_register_interruptible(ab, AB5500_BANK_IT, maskreg, 0xff);
- ab->mask[i] = ab->oldmask[i] = 0xff;
- }
-
- err = abx500_register_ops(&pdev->dev, &ab5500_ops);
- if (err) {
- dev_err(&pdev->dev, "ab5500_register ops error\n");
- goto exit_no_detect;
- }
-
- /* Set up and register the platform devices. */
- for (i = 0; i < AB5500_NUM_DEVICES; i++) {
- ab5500_devs[i].platform_data = ab5500_plf_data->dev_data[i];
- ab5500_devs[i].pdata_size =
- sizeof(ab5500_plf_data->dev_data[i]);
- }
-
- err = mfd_add_devices(&pdev->dev, 0, ab5500_devs,
- ARRAY_SIZE(ab5500_devs), NULL,
- ab5500_plf_data->irq.base);
- if (err) {
- dev_err(&pdev->dev, "ab5500_mfd_add_device error\n");
- goto exit_no_detect;
- }
-
- err = ab5500_setup(ab, ab5500_plf_data->init_settings,
- ab5500_plf_data->init_settings_sz);
- if (err) {
- dev_err(&pdev->dev, "ab5500_setup error\n");
- goto exit_no_detect;
- }
-
- ab5500_setup_debugfs(ab);
-
- dev_info(&pdev->dev, "detected AB chip: %s\n", &ab->chip_name[0]);
- return 0;
-
-exit_no_detect:
- kfree(ab);
- return err;
-}
-
-static int __exit ab5500_remove(struct platform_device *pdev)
-{
- struct ab5500 *ab = platform_get_drvdata(pdev);
-
- ab5500_remove_debugfs();
- mfd_remove_devices(&pdev->dev);
- kfree(ab);
- return 0;
-}
-
-static struct platform_driver ab5500_driver = {
- .driver = {
- .name = "ab5500-core",
- .owner = THIS_MODULE,
- },
- .remove = __exit_p(ab5500_remove),
-};
-
-static int __init ab5500_core_init(void)
-{
- return platform_driver_probe(&ab5500_driver, ab5500_probe);
-}
-
-static void __exit ab5500_core_exit(void)
-{
- platform_driver_unregister(&ab5500_driver);
-}
-
-subsys_initcall(ab5500_core_init);
-module_exit(ab5500_core_exit);
-
-MODULE_AUTHOR("Mattias Wallin <mattias.wallin@stericsson.com>");
-MODULE_DESCRIPTION("AB5500 core driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Copyright (C) 2011 ST-Ericsson
- * License terms: GNU General Public License (GPL) version 2
- * Debugfs support for the AB5500 MFD driver
- */
-
-#include <linux/module.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/mfd/abx500.h>
-#include <linux/mfd/abx500/ab5500.h>
-#include <linux/uaccess.h>
-
-#include "ab5500-core.h"
-#include "ab5500-debugfs.h"
-
-static struct ab5500_i2c_ranges ab5500_reg_ranges[AB5500_NUM_BANKS] = {
- [AB5500_BANK_LED] = {
- .bankid = AB5500_BANK_LED,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0C,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_ADC] = {
- .bankid = AB5500_BANK_ADC,
- .nranges = 6,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x1F,
- .last = 0x22,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x23,
- .last = 0x24,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x26,
- .last = 0x2D,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x2F,
- .last = 0x34,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x37,
- .last = 0x57,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x58,
- .last = 0x58,
- .perm = AB5500_PERM_RO,
- },
- },
- },
- [AB5500_BANK_RTC] = {
- .bankid = AB5500_BANK_RTC,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x04,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x06,
- .last = 0x0C,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_STARTUP] = {
- .bankid = AB5500_BANK_STARTUP,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1F,
- .last = 0x1F,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x2E,
- .last = 0x2E,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x2F,
- .last = 0x30,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x50,
- .last = 0x51,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x60,
- .last = 0x61,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x66,
- .last = 0x8A,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x8C,
- .last = 0x96,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xAA,
- .last = 0xB4,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xB7,
- .last = 0xBF,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xC1,
- .last = 0xCA,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xD3,
- .last = 0xE0,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_DBI_ECI] = {
- .bankid = AB5500_BANK_DBI_ECI,
- .nranges = 3,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x07,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x10,
- .last = 0x10,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x13,
- .last = 0x13,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_CHG] = {
- .bankid = AB5500_BANK_CHG,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x11,
- .last = 0x11,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x12,
- .last = 0x1B,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_FG_BATTCOM_ACC] = {
- .bankid = AB5500_BANK_FG_BATTCOM_ACC,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0B,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x0C,
- .last = 0x10,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_USB] = {
- .bankid = AB5500_BANK_USB,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x80,
- .last = 0x83,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x87,
- .last = 0x8A,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x8B,
- .last = 0x8B,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x91,
- .last = 0x92,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x93,
- .last = 0x93,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x94,
- .last = 0x94,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xA8,
- .last = 0xB0,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xB2,
- .last = 0xB2,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xB4,
- .last = 0xBC,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xBF,
- .last = 0xBF,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0xC1,
- .last = 0xC5,
- .perm = AB5500_PERM_RO,
- },
- },
- },
- [AB5500_BANK_IT] = {
- .bankid = AB5500_BANK_IT,
- .nranges = 4,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x02,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x20,
- .last = 0x36,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x40,
- .last = 0x56,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x60,
- .last = 0x76,
- .perm = AB5500_PERM_RO,
- },
- },
- },
- [AB5500_BANK_VDDDIG_IO_I2C_CLK_TST] = {
- .bankid = AB5500_BANK_VDDDIG_IO_I2C_CLK_TST,
- .nranges = 7,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x02,
- .last = 0x02,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x12,
- .last = 0x12,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x30,
- .last = 0x34,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x40,
- .last = 0x44,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x50,
- .last = 0x54,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x60,
- .last = 0x64,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x70,
- .last = 0x74,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP] = {
- .bankid = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP,
- .nranges = 13,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x01,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x02,
- .last = 0x02,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x0D,
- .last = 0x0F,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1C,
- .last = 0x1C,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1E,
- .last = 0x1E,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x20,
- .last = 0x21,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x25,
- .last = 0x25,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x28,
- .last = 0x2A,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x30,
- .last = 0x33,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x40,
- .last = 0x43,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x50,
- .last = 0x53,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x60,
- .last = 0x63,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x70,
- .last = 0x73,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_VIBRA] = {
- .bankid = AB5500_BANK_VIBRA,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x10,
- .last = 0x13,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xFE,
- .last = 0xFE,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_AUDIO_HEADSETUSB] = {
- .bankid = AB5500_BANK_AUDIO_HEADSETUSB,
- .nranges = 2,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x48,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0xEB,
- .last = 0xFB,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_SIM_USBSIM] = {
- .bankid = AB5500_BANK_SIM_USBSIM,
- .nranges = 1,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x13,
- .last = 0x19,
- .perm = AB5500_PERM_RW,
- },
- },
- },
- [AB5500_BANK_VDENC] = {
- .bankid = AB5500_BANK_VDENC,
- .nranges = 12,
- .range = (struct ab5500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x08,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x09,
- .last = 0x09,
- .perm = AB5500_PERM_RO,
- },
- {
- .first = 0x0A,
- .last = 0x12,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x15,
- .last = 0x19,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x1B,
- .last = 0x21,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x27,
- .last = 0x2C,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x41,
- .last = 0x41,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x45,
- .last = 0x5B,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x5D,
- .last = 0x5D,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x69,
- .last = 0x69,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x6C,
- .last = 0x6D,
- .perm = AB5500_PERM_RW,
- },
- {
- .first = 0x80,
- .last = 0x81,
- .perm = AB5500_PERM_RW,
- },
- },
- },
-};
-
-static int ab5500_registers_print(struct seq_file *s, void *p)
-{
- struct ab5500 *ab = s->private;
- unsigned int i;
- u8 bank = (u8)ab->debug_bank;
-
- seq_printf(s, "ab5500 register values:\n");
- for (bank = 0; bank < AB5500_NUM_BANKS; bank++) {
- seq_printf(s, " bank %u, %s (0x%x):\n", bank,
- bankinfo[bank].name,
- bankinfo[bank].slave_addr);
- for (i = 0; i < ab5500_reg_ranges[bank].nranges; i++) {
- u8 reg;
- int err;
-
- for (reg = ab5500_reg_ranges[bank].range[i].first;
- reg <= ab5500_reg_ranges[bank].range[i].last;
- reg++) {
- u8 value;
-
- err = ab5500_get_register_interruptible_raw(ab,
- bank, reg,
- &value);
- if (err < 0) {
- dev_err(ab->dev, "get_reg failed %d"
- "bank 0x%x reg 0x%x\n",
- err, bank, reg);
- return err;
- }
-
- err = seq_printf(s, "[%d/0x%02X]: 0x%02X\n",
- bank, reg, value);
- if (err < 0) {
- dev_err(ab->dev,
- "seq_printf overflow\n");
- /*
- * Error is not returned here since
- * the output is wanted in any case
- */
- return 0;
- }
- }
- }
- }
- return 0;
-}
-
-static int ab5500_registers_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ab5500_registers_print, inode->i_private);
-}
-
-static const struct file_operations ab5500_registers_fops = {
- .open = ab5500_registers_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int ab5500_bank_print(struct seq_file *s, void *p)
-{
- struct ab5500 *ab = s->private;
-
- seq_printf(s, "%d\n", ab->debug_bank);
- return 0;
-}
-
-static int ab5500_bank_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ab5500_bank_print, inode->i_private);
-}
-
-static ssize_t ab5500_bank_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
- char buf[32];
- int buf_size;
- unsigned long user_bank;
- int err;
-
- /* Get userspace string and assure termination */
- buf_size = min(count, (sizeof(buf) - 1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
-
- err = strict_strtoul(buf, 0, &user_bank);
- if (err)
- return -EINVAL;
-
- if (user_bank >= AB5500_NUM_BANKS) {
- dev_err(ab->dev,
- "debugfs error input > number of banks\n");
- return -EINVAL;
- }
-
- ab->debug_bank = user_bank;
-
- return buf_size;
-}
-
-static int ab5500_address_print(struct seq_file *s, void *p)
-{
- struct ab5500 *ab = s->private;
-
- seq_printf(s, "0x%02X\n", ab->debug_address);
- return 0;
-}
-
-static int ab5500_address_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ab5500_address_print, inode->i_private);
-}
-
-static ssize_t ab5500_address_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
- char buf[32];
- int buf_size;
- unsigned long user_address;
- int err;
-
- /* Get userspace string and assure termination */
- buf_size = min(count, (sizeof(buf) - 1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
-
- err = strict_strtoul(buf, 0, &user_address);
- if (err)
- return -EINVAL;
- if (user_address > 0xff) {
- dev_err(ab->dev,
- "debugfs error input > 0xff\n");
- return -EINVAL;
- }
- ab->debug_address = user_address;
- return buf_size;
-}
-
-static int ab5500_val_print(struct seq_file *s, void *p)
-{
- struct ab5500 *ab = s->private;
- int err;
- u8 regvalue;
-
- err = ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank,
- (u8)ab->debug_address, ®value);
- if (err) {
- dev_err(ab->dev, "get_reg failed %d, bank 0x%x"
- ", reg 0x%x\n", err, ab->debug_bank,
- ab->debug_address);
- return -EINVAL;
- }
- seq_printf(s, "0x%02X\n", regvalue);
-
- return 0;
-}
-
-static int ab5500_val_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ab5500_val_print, inode->i_private);
-}
-
-static ssize_t ab5500_val_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ab5500 *ab = ((struct seq_file *)(file->private_data))->private;
- char buf[32];
- int buf_size;
- unsigned long user_val;
- int err;
- u8 regvalue;
-
- /* Get userspace string and assure termination */
- buf_size = min(count, (sizeof(buf)-1));
- if (copy_from_user(buf, user_buf, buf_size))
- return -EFAULT;
- buf[buf_size] = 0;
-
- err = strict_strtoul(buf, 0, &user_val);
- if (err)
- return -EINVAL;
- if (user_val > 0xff) {
- dev_err(ab->dev,
- "debugfs error input > 0xff\n");
- return -EINVAL;
- }
- err = ab5500_mask_and_set_register_interruptible_raw(
- ab, (u8)ab->debug_bank,
- (u8)ab->debug_address, 0xFF, (u8)user_val);
- if (err)
- return -EINVAL;
-
- ab5500_get_register_interruptible_raw(ab, (u8)ab->debug_bank,
- (u8)ab->debug_address, ®value);
- if (err)
- return -EINVAL;
-
- return buf_size;
-}
-
-static const struct file_operations ab5500_bank_fops = {
- .open = ab5500_bank_open,
- .write = ab5500_bank_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static const struct file_operations ab5500_address_fops = {
- .open = ab5500_address_open,
- .write = ab5500_address_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static const struct file_operations ab5500_val_fops = {
- .open = ab5500_val_open,
- .write = ab5500_val_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static struct dentry *ab5500_dir;
-static struct dentry *ab5500_reg_file;
-static struct dentry *ab5500_bank_file;
-static struct dentry *ab5500_address_file;
-static struct dentry *ab5500_val_file;
-
-void __init ab5500_setup_debugfs(struct ab5500 *ab)
-{
- ab->debug_bank = AB5500_BANK_VIT_IO_I2C_CLK_TST_OTP;
- ab->debug_address = AB5500_CHIP_ID;
-
- ab5500_dir = debugfs_create_dir("ab5500", NULL);
- if (!ab5500_dir)
- goto exit_no_debugfs;
-
- ab5500_reg_file = debugfs_create_file("all-bank-registers",
- S_IRUGO, ab5500_dir, ab, &ab5500_registers_fops);
- if (!ab5500_reg_file)
- goto exit_destroy_dir;
-
- ab5500_bank_file = debugfs_create_file("register-bank",
- (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_bank_fops);
- if (!ab5500_bank_file)
- goto exit_destroy_reg;
-
- ab5500_address_file = debugfs_create_file("register-address",
- (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_address_fops);
- if (!ab5500_address_file)
- goto exit_destroy_bank;
-
- ab5500_val_file = debugfs_create_file("register-value",
- (S_IRUGO | S_IWUGO), ab5500_dir, ab, &ab5500_val_fops);
- if (!ab5500_val_file)
- goto exit_destroy_address;
-
- return;
-
-exit_destroy_address:
- debugfs_remove(ab5500_address_file);
-exit_destroy_bank:
- debugfs_remove(ab5500_bank_file);
-exit_destroy_reg:
- debugfs_remove(ab5500_reg_file);
-exit_destroy_dir:
- debugfs_remove(ab5500_dir);
-exit_no_debugfs:
- dev_err(ab->dev, "failed to create debugfs entries.\n");
- return;
-}
-
-void __exit ab5500_remove_debugfs(void)
-{
- debugfs_remove(ab5500_val_file);
- debugfs_remove(ab5500_address_file);
- debugfs_remove(ab5500_bank_file);
- debugfs_remove(ab5500_reg_file);
- debugfs_remove(ab5500_dir);
-}
projects / platform / upstream / kernel-adaptation-pc.git / commitdiff