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- /*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson.
- * License Terms: GNU General Public License v2
- */
- /*
- * AB8500 register access
- * ======================
- *
- * read:
- * # echo BANK > <debugfs>/ab8500/register-bank
- * # echo ADDR > <debugfs>/ab8500/register-address
- * # cat <debugfs>/ab8500/register-value
- *
- * write:
- * # echo BANK > <debugfs>/ab8500/register-bank
- * # echo ADDR > <debugfs>/ab8500/register-address
- * # echo VALUE > <debugfs>/ab8500/register-value
- *
- * read all registers from a bank:
- * # echo BANK > <debugfs>/ab8500/register-bank
- * # cat <debugfs>/ab8500/all-bank-register
- *
- * BANK target AB8500 register bank
- * ADDR target AB8500 register address
- * VALUE decimal or 0x-prefixed hexadecimal
- *
- *
- * User Space notification on AB8500 IRQ
- * =====================================
- *
- * Allows user space entity to be notified when target AB8500 IRQ occurs.
- * When subscribed, a sysfs entry is created in ab8500.i2c platform device.
- * One can pool this file to get target IRQ occurence information.
- *
- * subscribe to an AB8500 IRQ:
- * # echo IRQ > <debugfs>/ab8500/irq-subscribe
- *
- * unsubscribe from an AB8500 IRQ:
- * # echo IRQ > <debugfs>/ab8500/irq-unsubscribe
- *
- *
- * AB8500 register formated read/write access
- * ==========================================
- *
- * Read: read data, data>>SHIFT, data&=MASK, output data
- * [0xABCDEF98] shift=12 mask=0xFFF => 0x00000CDE
- * Write: read data, data &= ~(MASK<<SHIFT), data |= (VALUE<<SHIFT), write data
- * [0xABCDEF98] shift=12 mask=0xFFF value=0x123 => [0xAB123F98]
- *
- * Usage:
- * # echo "CMD [OPTIONS] BANK ADRESS [VALUE]" > $debugfs/ab8500/hwreg
- *
- * CMD read read access
- * write write access
- *
- * BANK target reg bank
- * ADDRESS target reg address
- * VALUE (write) value to be updated
- *
- * OPTIONS
- * -d|-dec (read) output in decimal
- * -h|-hexa (read) output in 0x-hexa (default)
- * -l|-w|-b 32bit (default), 16bit or 8bit reg access
- * -m|-mask MASK 0x-hexa mask (default 0xFFFFFFFF)
- * -s|-shift SHIFT bit shift value (read:left, write:right)
- * -o|-offset OFFSET address offset to add to ADDRESS value
- *
- * Warning: bit shift operation is applied to bit-mask.
- * Warning: bit shift direction depends on read or right command.
- */
- #include <linux/seq_file.h>
- #include <linux/uaccess.h>
- #include <linux/fs.h>
- #include <linux/module.h>
- #include <linux/debugfs.h>
- #include <linux/platform_device.h>
- #include <linux/interrupt.h>
- #include <linux/kobject.h>
- #include <linux/slab.h>
- #include <linux/irq.h>
- #include <linux/mfd/abx500.h>
- #include <linux/mfd/abx500/ab8500.h>
- #include <linux/mfd/abx500/ab8500-gpadc.h>
- #ifdef CONFIG_DEBUG_FS
- #include <linux/string.h>
- #include <linux/ctype.h>
- #endif
- static u32 debug_bank;
- static u32 debug_address;
- static int irq_ab8500;
- static int irq_first;
- static int irq_last;
- static u32 *irq_count;
- static int num_irqs;
- static struct device_attribute **dev_attr;
- static char **event_name;
- static u8 avg_sample = SAMPLE_16;
- static u8 trig_edge = RISING_EDGE;
- static u8 conv_type = ADC_SW;
- static u8 trig_timer;
- /**
- * struct ab8500_reg_range
- * @first: the first address of the range
- * @last: the last address of the range
- * @perm: access permissions for the range
- */
- struct ab8500_reg_range {
- u8 first;
- u8 last;
- u8 perm;
- };
- /**
- * struct ab8500_prcmu_ranges
- * @num_ranges: the number of ranges in the list
- * @bankid: bank identifier
- * @range: the list of register ranges
- */
- struct ab8500_prcmu_ranges {
- u8 num_ranges;
- u8 bankid;
- const struct ab8500_reg_range *range;
- };
- /* hwreg- "mask" and "shift" entries ressources */
- struct hwreg_cfg {
- u32 bank; /* target bank */
- unsigned long addr; /* target address */
- uint fmt; /* format */
- unsigned long mask; /* read/write mask, applied before any bit shift */
- long shift; /* bit shift (read:right shift, write:left shift */
- };
- /* fmt bit #0: 0=hexa, 1=dec */
- #define REG_FMT_DEC(c) ((c)->fmt & 0x1)
- #define REG_FMT_HEX(c) (!REG_FMT_DEC(c))
- static struct hwreg_cfg hwreg_cfg = {
- .addr = 0, /* default: invalid phys addr */
- .fmt = 0, /* default: 32bit access, hex output */
- .mask = 0xFFFFFFFF, /* default: no mask */
- .shift = 0, /* default: no bit shift */
- };
- #define AB8500_NAME_STRING "ab8500"
- #define AB8500_ADC_NAME_STRING "gpadc"
- #define AB8500_NUM_BANKS 24
- #define AB8500_REV_REG 0x80
- static struct ab8500_prcmu_ranges *debug_ranges;
- static struct ab8500_prcmu_ranges ab8500_debug_ranges[AB8500_NUM_BANKS] = {
- [0x0] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_SYS_CTRL1_BLOCK] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x02,
- },
- {
- .first = 0x42,
- .last = 0x42,
- },
- {
- .first = 0x80,
- .last = 0x81,
- },
- },
- },
- [AB8500_SYS_CTRL2_BLOCK] = {
- .num_ranges = 4,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0D,
- },
- {
- .first = 0x0F,
- .last = 0x17,
- },
- {
- .first = 0x30,
- .last = 0x30,
- },
- {
- .first = 0x32,
- .last = 0x33,
- },
- },
- },
- [AB8500_REGU_CTRL1] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x03,
- .last = 0x10,
- },
- {
- .first = 0x80,
- .last = 0x84,
- },
- },
- },
- [AB8500_REGU_CTRL2] = {
- .num_ranges = 5,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x15,
- },
- {
- .first = 0x17,
- .last = 0x19,
- },
- {
- .first = 0x1B,
- .last = 0x1D,
- },
- {
- .first = 0x1F,
- .last = 0x22,
- },
- {
- .first = 0x40,
- .last = 0x44,
- },
- /* 0x80-0x8B is SIM registers and should
- * not be accessed from here */
- },
- },
- [AB8500_USB] = {
- .num_ranges = 2,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x80,
- .last = 0x83,
- },
- {
- .first = 0x87,
- .last = 0x8A,
- },
- },
- },
- [AB8500_TVOUT] = {
- .num_ranges = 9,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x12,
- },
- {
- .first = 0x15,
- .last = 0x17,
- },
- {
- .first = 0x19,
- .last = 0x21,
- },
- {
- .first = 0x27,
- .last = 0x2C,
- },
- {
- .first = 0x41,
- .last = 0x41,
- },
- {
- .first = 0x45,
- .last = 0x5B,
- },
- {
- .first = 0x5D,
- .last = 0x5D,
- },
- {
- .first = 0x69,
- .last = 0x69,
- },
- {
- .first = 0x80,
- .last = 0x81,
- },
- },
- },
- [AB8500_DBI] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_ECI_AV_ACC] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x80,
- .last = 0x82,
- },
- },
- },
- [0x9] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_GPADC] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x08,
- },
- },
- },
- [AB8500_CHARGER] = {
- .num_ranges = 9,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x03,
- },
- {
- .first = 0x05,
- .last = 0x05,
- },
- {
- .first = 0x40,
- .last = 0x40,
- },
- {
- .first = 0x42,
- .last = 0x42,
- },
- {
- .first = 0x44,
- .last = 0x44,
- },
- {
- .first = 0x50,
- .last = 0x55,
- },
- {
- .first = 0x80,
- .last = 0x82,
- },
- {
- .first = 0xC0,
- .last = 0xC2,
- },
- {
- .first = 0xf5,
- .last = 0xf6,
- },
- },
- },
- [AB8500_GAS_GAUGE] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x07,
- .last = 0x0A,
- },
- {
- .first = 0x10,
- .last = 0x14,
- },
- },
- },
- [AB8500_DEVELOPMENT] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- },
- },
- [AB8500_DEBUG] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x05,
- .last = 0x07,
- },
- },
- },
- [AB8500_AUDIO] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x6F,
- },
- },
- },
- [AB8500_INTERRUPT] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_RTC] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0F,
- },
- },
- },
- [AB8500_MISC] = {
- .num_ranges = 8,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x05,
- },
- {
- .first = 0x10,
- .last = 0x15,
- },
- {
- .first = 0x20,
- .last = 0x25,
- },
- {
- .first = 0x30,
- .last = 0x35,
- },
- {
- .first = 0x40,
- .last = 0x45,
- },
- {
- .first = 0x50,
- .last = 0x50,
- },
- {
- .first = 0x60,
- .last = 0x67,
- },
- {
- .first = 0x80,
- .last = 0x80,
- },
- },
- },
- [0x11] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [0x12] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [0x13] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [0x14] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_OTP_EMUL] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x0F,
- },
- },
- },
- };
- static struct ab8500_prcmu_ranges ab8505_debug_ranges[AB8500_NUM_BANKS] = {
- [0x0] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_SYS_CTRL1_BLOCK] = {
- .num_ranges = 5,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x04,
- },
- {
- .first = 0x42,
- .last = 0x42,
- },
- {
- .first = 0x52,
- .last = 0x52,
- },
- {
- .first = 0x54,
- .last = 0x57,
- },
- {
- .first = 0x80,
- .last = 0x83,
- },
- },
- },
- [AB8500_SYS_CTRL2_BLOCK] = {
- .num_ranges = 5,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0D,
- },
- {
- .first = 0x0F,
- .last = 0x17,
- },
- {
- .first = 0x20,
- .last = 0x20,
- },
- {
- .first = 0x30,
- .last = 0x30,
- },
- {
- .first = 0x32,
- .last = 0x3A,
- },
- },
- },
- [AB8500_REGU_CTRL1] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x03,
- .last = 0x11,
- },
- {
- .first = 0x80,
- .last = 0x86,
- },
- },
- },
- [AB8500_REGU_CTRL2] = {
- .num_ranges = 6,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x06,
- },
- {
- .first = 0x08,
- .last = 0x15,
- },
- {
- .first = 0x17,
- .last = 0x19,
- },
- {
- .first = 0x1B,
- .last = 0x1D,
- },
- {
- .first = 0x1F,
- .last = 0x30,
- },
- {
- .first = 0x40,
- .last = 0x48,
- },
- /* 0x80-0x8B is SIM registers and should
- * not be accessed from here */
- },
- },
- [AB8500_USB] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x80,
- .last = 0x83,
- },
- {
- .first = 0x87,
- .last = 0x8A,
- },
- {
- .first = 0x91,
- .last = 0x94,
- },
- },
- },
- [AB8500_TVOUT] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_DBI] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_ECI_AV_ACC] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x80,
- .last = 0x82,
- },
- },
- },
- [AB8500_RESERVED] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_GPADC] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x08,
- },
- },
- },
- [AB8500_CHARGER] = {
- .num_ranges = 9,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x02,
- .last = 0x03,
- },
- {
- .first = 0x05,
- .last = 0x05,
- },
- {
- .first = 0x40,
- .last = 0x44,
- },
- {
- .first = 0x50,
- .last = 0x57,
- },
- {
- .first = 0x60,
- .last = 0x60,
- },
- {
- .first = 0xA0,
- .last = 0xA7,
- },
- {
- .first = 0xAF,
- .last = 0xB2,
- },
- {
- .first = 0xC0,
- .last = 0xC2,
- },
- {
- .first = 0xF5,
- .last = 0xF5,
- },
- },
- },
- [AB8500_GAS_GAUGE] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x07,
- .last = 0x0A,
- },
- {
- .first = 0x10,
- .last = 0x14,
- },
- },
- },
- [AB8500_AUDIO] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x83,
- },
- },
- },
- [AB8500_INTERRUPT] = {
- .num_ranges = 11,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x04,
- },
- {
- .first = 0x06,
- .last = 0x07,
- },
- {
- .first = 0x09,
- .last = 0x09,
- },
- {
- .first = 0x0B,
- .last = 0x0C,
- },
- {
- .first = 0x12,
- .last = 0x15,
- },
- {
- .first = 0x18,
- .last = 0x18,
- },
- /* Latch registers should not be read here */
- {
- .first = 0x40,
- .last = 0x44,
- },
- {
- .first = 0x46,
- .last = 0x49,
- },
- {
- .first = 0x4B,
- .last = 0x4D,
- },
- {
- .first = 0x52,
- .last = 0x55,
- },
- {
- .first = 0x58,
- .last = 0x58,
- },
- /* LatchHier registers should not be read here */
- },
- },
- [AB8500_RTC] = {
- .num_ranges = 2,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x14,
- },
- {
- .first = 0x16,
- .last = 0x17,
- },
- },
- },
- [AB8500_MISC] = {
- .num_ranges = 8,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x06,
- },
- {
- .first = 0x10,
- .last = 0x16,
- },
- {
- .first = 0x20,
- .last = 0x26,
- },
- {
- .first = 0x30,
- .last = 0x36,
- },
- {
- .first = 0x40,
- .last = 0x46,
- },
- {
- .first = 0x50,
- .last = 0x50,
- },
- {
- .first = 0x60,
- .last = 0x6B,
- },
- {
- .first = 0x80,
- .last = 0x82,
- },
- },
- },
- [AB8500_DEVELOPMENT] = {
- .num_ranges = 2,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x05,
- .last = 0x05,
- },
- },
- },
- [AB8500_DEBUG] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x05,
- .last = 0x07,
- },
- },
- },
- [AB8500_PROD_TEST] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_STE_TEST] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_OTP_EMUL] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x15,
- },
- },
- },
- };
- static struct ab8500_prcmu_ranges ab8540_debug_ranges[AB8500_NUM_BANKS] = {
- [AB8500_M_FSM_RANK] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0B,
- },
- },
- },
- [AB8500_SYS_CTRL1_BLOCK] = {
- .num_ranges = 6,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x04,
- },
- {
- .first = 0x42,
- .last = 0x42,
- },
- {
- .first = 0x50,
- .last = 0x54,
- },
- {
- .first = 0x57,
- .last = 0x57,
- },
- {
- .first = 0x80,
- .last = 0x83,
- },
- {
- .first = 0x90,
- .last = 0x90,
- },
- },
- },
- [AB8500_SYS_CTRL2_BLOCK] = {
- .num_ranges = 5,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x0D,
- },
- {
- .first = 0x0F,
- .last = 0x10,
- },
- {
- .first = 0x20,
- .last = 0x21,
- },
- {
- .first = 0x32,
- .last = 0x3C,
- },
- {
- .first = 0x40,
- .last = 0x42,
- },
- },
- },
- [AB8500_REGU_CTRL1] = {
- .num_ranges = 4,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x03,
- .last = 0x15,
- },
- {
- .first = 0x20,
- .last = 0x20,
- },
- {
- .first = 0x80,
- .last = 0x85,
- },
- {
- .first = 0x87,
- .last = 0x88,
- },
- },
- },
- [AB8500_REGU_CTRL2] = {
- .num_ranges = 8,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x06,
- },
- {
- .first = 0x08,
- .last = 0x15,
- },
- {
- .first = 0x17,
- .last = 0x19,
- },
- {
- .first = 0x1B,
- .last = 0x1D,
- },
- {
- .first = 0x1F,
- .last = 0x2F,
- },
- {
- .first = 0x31,
- .last = 0x3A,
- },
- {
- .first = 0x43,
- .last = 0x44,
- },
- {
- .first = 0x48,
- .last = 0x49,
- },
- },
- },
- [AB8500_USB] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x80,
- .last = 0x83,
- },
- {
- .first = 0x87,
- .last = 0x8A,
- },
- {
- .first = 0x91,
- .last = 0x94,
- },
- },
- },
- [AB8500_TVOUT] = {
- .num_ranges = 0,
- .range = NULL
- },
- [AB8500_DBI] = {
- .num_ranges = 4,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x07,
- },
- {
- .first = 0x10,
- .last = 0x11,
- },
- {
- .first = 0x20,
- .last = 0x21,
- },
- {
- .first = 0x30,
- .last = 0x43,
- },
- },
- },
- [AB8500_ECI_AV_ACC] = {
- .num_ranges = 2,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x03,
- },
- {
- .first = 0x80,
- .last = 0x82,
- },
- },
- },
- [AB8500_RESERVED] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_GPADC] = {
- .num_ranges = 4,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x01,
- },
- {
- .first = 0x04,
- .last = 0x06,
- },
- {
- .first = 0x09,
- .last = 0x0A,
- },
- {
- .first = 0x10,
- .last = 0x14,
- },
- },
- },
- [AB8500_CHARGER] = {
- .num_ranges = 10,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x02,
- .last = 0x05,
- },
- {
- .first = 0x40,
- .last = 0x44,
- },
- {
- .first = 0x50,
- .last = 0x57,
- },
- {
- .first = 0x60,
- .last = 0x60,
- },
- {
- .first = 0x70,
- .last = 0x70,
- },
- {
- .first = 0xA0,
- .last = 0xA9,
- },
- {
- .first = 0xAF,
- .last = 0xB2,
- },
- {
- .first = 0xC0,
- .last = 0xC6,
- },
- {
- .first = 0xF5,
- .last = 0xF5,
- },
- },
- },
- [AB8500_GAS_GAUGE] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x00,
- },
- {
- .first = 0x07,
- .last = 0x0A,
- },
- {
- .first = 0x10,
- .last = 0x14,
- },
- },
- },
- [AB8500_AUDIO] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x9f,
- },
- },
- },
- [AB8500_INTERRUPT] = {
- .num_ranges = 6,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x05,
- },
- {
- .first = 0x0B,
- .last = 0x0D,
- },
- {
- .first = 0x12,
- .last = 0x20,
- },
- /* Latch registers should not be read here */
- {
- .first = 0x40,
- .last = 0x45,
- },
- {
- .first = 0x4B,
- .last = 0x4D,
- },
- {
- .first = 0x52,
- .last = 0x60,
- },
- /* LatchHier registers should not be read here */
- },
- },
- [AB8500_RTC] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x07,
- },
- {
- .first = 0x0B,
- .last = 0x18,
- },
- {
- .first = 0x20,
- .last = 0x25,
- },
- },
- },
- [AB8500_MISC] = {
- .num_ranges = 9,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x06,
- },
- {
- .first = 0x10,
- .last = 0x16,
- },
- {
- .first = 0x20,
- .last = 0x26,
- },
- {
- .first = 0x30,
- .last = 0x36,
- },
- {
- .first = 0x40,
- .last = 0x49,
- },
- {
- .first = 0x50,
- .last = 0x50,
- },
- {
- .first = 0x60,
- .last = 0x6B,
- },
- {
- .first = 0x70,
- .last = 0x74,
- },
- {
- .first = 0x80,
- .last = 0x82,
- },
- },
- },
- [AB8500_DEVELOPMENT] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x01,
- },
- {
- .first = 0x06,
- .last = 0x06,
- },
- {
- .first = 0x10,
- .last = 0x21,
- },
- },
- },
- [AB8500_DEBUG] = {
- .num_ranges = 3,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x01,
- .last = 0x0C,
- },
- {
- .first = 0x0E,
- .last = 0x11,
- },
- {
- .first = 0x80,
- .last = 0x81,
- },
- },
- },
- [AB8500_PROD_TEST] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_STE_TEST] = {
- .num_ranges = 0,
- .range = NULL,
- },
- [AB8500_OTP_EMUL] = {
- .num_ranges = 1,
- .range = (struct ab8500_reg_range[]) {
- {
- .first = 0x00,
- .last = 0x3F,
- },
- },
- },
- };
- static irqreturn_t ab8500_debug_handler(int irq, void *data)
- {
- char buf[16];
- struct kobject *kobj = (struct kobject *)data;
- unsigned int irq_abb = irq - irq_first;
- if (irq_abb < num_irqs)
- irq_count[irq_abb]++;
- /*
- * This makes it possible to use poll for events (POLLPRI | POLLERR)
- * from userspace on sysfs file named <irq-nr>
- */
- sprintf(buf, "%d", irq);
- sysfs_notify(kobj, NULL, buf);
- return IRQ_HANDLED;
- }
- /* Prints to seq_file or log_buf */
- static int ab8500_registers_print(struct device *dev, u32 bank,
- struct seq_file *s)
- {
- unsigned int i;
- for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
- u32 reg;
- for (reg = debug_ranges[bank].range[i].first;
- reg <= debug_ranges[bank].range[i].last;
- reg++) {
- u8 value;
- int err;
- err = abx500_get_register_interruptible(dev,
- (u8)bank, (u8)reg, &value);
- if (err < 0) {
- dev_err(dev, "ab->read fail %d\n", err);
- return err;
- }
- if (s) {
- seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n",
- bank, reg, value);
- /* Error is not returned here since
- * the output is wanted in any case */
- if (seq_has_overflowed(s))
- return 0;
- } else {
- dev_info(dev, " [0x%02X/0x%02X]: 0x%02X\n",
- bank, reg, value);
- }
- }
- }
- return 0;
- }
- static int ab8500_print_bank_registers(struct seq_file *s, void *p)
- {
- struct device *dev = s->private;
- u32 bank = debug_bank;
- seq_puts(s, AB8500_NAME_STRING " register values:\n");
- seq_printf(s, " bank 0x%02X:\n", bank);
- return ab8500_registers_print(dev, bank, s);
- }
- static int ab8500_registers_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_print_bank_registers, inode->i_private);
- }
- static const struct file_operations ab8500_registers_fops = {
- .open = ab8500_registers_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_print_all_banks(struct seq_file *s, void *p)
- {
- struct device *dev = s->private;
- unsigned int i;
- seq_puts(s, AB8500_NAME_STRING " register values:\n");
- for (i = 0; i < AB8500_NUM_BANKS; i++) {
- int err;
- seq_printf(s, " bank 0x%02X:\n", i);
- err = ab8500_registers_print(dev, i, s);
- if (err)
- return err;
- }
- return 0;
- }
- /* Dump registers to kernel log */
- void ab8500_dump_all_banks(struct device *dev)
- {
- unsigned int i;
- dev_info(dev, "ab8500 register values:\n");
- for (i = 1; i < AB8500_NUM_BANKS; i++) {
- dev_info(dev, " bank 0x%02X:\n", i);
- ab8500_registers_print(dev, i, NULL);
- }
- }
- /* Space for 500 registers. */
- #define DUMP_MAX_REGS 700
- static struct ab8500_register_dump
- {
- u8 bank;
- u8 reg;
- u8 value;
- } ab8500_complete_register_dump[DUMP_MAX_REGS];
- /* This shall only be called upon kernel panic! */
- void ab8500_dump_all_banks_to_mem(void)
- {
- int i, r = 0;
- u8 bank;
- int err = 0;
- pr_info("Saving all ABB registers for crash analysis.\n");
- for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
- for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
- u8 reg;
- for (reg = debug_ranges[bank].range[i].first;
- reg <= debug_ranges[bank].range[i].last;
- reg++) {
- u8 value;
- err = prcmu_abb_read(bank, reg, &value, 1);
- if (err < 0)
- goto out;
- ab8500_complete_register_dump[r].bank = bank;
- ab8500_complete_register_dump[r].reg = reg;
- ab8500_complete_register_dump[r].value = value;
- r++;
- if (r >= DUMP_MAX_REGS) {
- pr_err("%s: too many register to dump!\n",
- __func__);
- err = -EINVAL;
- goto out;
- }
- }
- }
- }
- out:
- if (err >= 0)
- pr_info("Saved all ABB registers.\n");
- else
- pr_info("Failed to save all ABB registers.\n");
- }
- static int ab8500_all_banks_open(struct inode *inode, struct file *file)
- {
- struct seq_file *s;
- int err;
- err = single_open(file, ab8500_print_all_banks, inode->i_private);
- if (!err) {
- /* Default buf size in seq_read is not enough */
- s = (struct seq_file *)file->private_data;
- s->size = (PAGE_SIZE * 2);
- s->buf = kmalloc(s->size, GFP_KERNEL);
- if (!s->buf) {
- single_release(inode, file);
- err = -ENOMEM;
- }
- }
- return err;
- }
- static const struct file_operations ab8500_all_banks_fops = {
- .open = ab8500_all_banks_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_bank_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "0x%02X\n", debug_bank);
- return 0;
- }
- static int ab8500_bank_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_bank_print, inode->i_private);
- }
- static ssize_t ab8500_bank_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_bank;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_bank);
- if (err)
- return err;
- if (user_bank >= AB8500_NUM_BANKS) {
- dev_err(dev, "debugfs error input > number of banks\n");
- return -EINVAL;
- }
- debug_bank = user_bank;
- return count;
- }
- static int ab8500_address_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "0x%02X\n", debug_address);
- return 0;
- }
- static int ab8500_address_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_address_print, inode->i_private);
- }
- static ssize_t ab8500_address_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_address;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_address);
- if (err)
- return err;
- if (user_address > 0xff) {
- dev_err(dev, "debugfs error input > 0xff\n");
- return -EINVAL;
- }
- debug_address = user_address;
- return count;
- }
- static int ab8500_val_print(struct seq_file *s, void *p)
- {
- struct device *dev = s->private;
- int ret;
- u8 regvalue;
- ret = abx500_get_register_interruptible(dev,
- (u8)debug_bank, (u8)debug_address, ®value);
- if (ret < 0) {
- dev_err(dev, "abx500_get_reg fail %d, %d\n",
- ret, __LINE__);
- return -EINVAL;
- }
- seq_printf(s, "0x%02X\n", regvalue);
- return 0;
- }
- static int ab8500_val_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_val_print, inode->i_private);
- }
- static ssize_t ab8500_val_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_val;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_val);
- if (err)
- return err;
- if (user_val > 0xff) {
- dev_err(dev, "debugfs error input > 0xff\n");
- return -EINVAL;
- }
- err = abx500_set_register_interruptible(dev,
- (u8)debug_bank, debug_address, (u8)user_val);
- if (err < 0) {
- pr_err("abx500_set_reg failed %d, %d", err, __LINE__);
- return -EINVAL;
- }
- return count;
- }
- /*
- * Interrupt status
- */
- static u32 num_interrupts[AB8500_MAX_NR_IRQS];
- static u32 num_wake_interrupts[AB8500_MAX_NR_IRQS];
- static int num_interrupt_lines;
- bool __attribute__((weak)) suspend_test_wake_cause_interrupt_is_mine(u32 my_int)
- {
- return false;
- }
- void ab8500_debug_register_interrupt(int line)
- {
- if (line < num_interrupt_lines) {
- num_interrupts[line]++;
- if (suspend_test_wake_cause_interrupt_is_mine(irq_ab8500))
- num_wake_interrupts[line]++;
- }
- }
- static int ab8500_interrupts_print(struct seq_file *s, void *p)
- {
- int line;
- seq_puts(s, "name: number: number of: wake:\n");
- for (line = 0; line < num_interrupt_lines; line++) {
- struct irq_desc *desc = irq_to_desc(line + irq_first);
- seq_printf(s, "%3i: %6i %4i",
- line,
- num_interrupts[line],
- num_wake_interrupts[line]);
- if (desc && desc->name)
- seq_printf(s, "-%-8s", desc->name);
- if (desc && desc->action) {
- struct irqaction *action = desc->action;
- seq_printf(s, " %s", action->name);
- while ((action = action->next) != NULL)
- seq_printf(s, ", %s", action->name);
- }
- seq_putc(s, '\n');
- }
- return 0;
- }
- static int ab8500_interrupts_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_interrupts_print, inode->i_private);
- }
- /*
- * - HWREG DB8500 formated routines
- */
- static int ab8500_hwreg_print(struct seq_file *s, void *d)
- {
- struct device *dev = s->private;
- int ret;
- u8 regvalue;
- ret = abx500_get_register_interruptible(dev,
- (u8)hwreg_cfg.bank, (u8)hwreg_cfg.addr, ®value);
- if (ret < 0) {
- dev_err(dev, "abx500_get_reg fail %d, %d\n",
- ret, __LINE__);
- return -EINVAL;
- }
- if (hwreg_cfg.shift >= 0)
- regvalue >>= hwreg_cfg.shift;
- else
- regvalue <<= -hwreg_cfg.shift;
- regvalue &= hwreg_cfg.mask;
- if (REG_FMT_DEC(&hwreg_cfg))
- seq_printf(s, "%d\n", regvalue);
- else
- seq_printf(s, "0x%02X\n", regvalue);
- return 0;
- }
- static int ab8500_hwreg_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_hwreg_print, inode->i_private);
- }
- #define AB8500_SUPPLY_CONTROL_CONFIG_1 0x01
- #define AB8500_SUPPLY_CONTROL_REG 0x00
- #define AB8500_FIRST_SIM_REG 0x80
- #define AB8500_LAST_SIM_REG 0x8B
- #define AB8505_LAST_SIM_REG 0x8C
- static int ab8500_print_modem_registers(struct seq_file *s, void *p)
- {
- struct device *dev = s->private;
- struct ab8500 *ab8500;
- int err;
- u8 value;
- u8 orig_value;
- u32 bank = AB8500_REGU_CTRL2;
- u32 last_sim_reg = AB8500_LAST_SIM_REG;
- u32 reg;
- ab8500 = dev_get_drvdata(dev->parent);
- dev_warn(dev, "WARNING! This operation can interfer with modem side\n"
- "and should only be done with care\n");
- err = abx500_get_register_interruptible(dev,
- AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, &orig_value);
- if (err < 0) {
- dev_err(dev, "ab->read fail %d\n", err);
- return err;
- }
- /* Config 1 will allow APE side to read SIM registers */
- err = abx500_set_register_interruptible(dev,
- AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG,
- AB8500_SUPPLY_CONTROL_CONFIG_1);
- if (err < 0) {
- dev_err(dev, "ab->write fail %d\n", err);
- return err;
- }
- seq_printf(s, " bank 0x%02X:\n", bank);
- if (is_ab9540(ab8500) || is_ab8505(ab8500))
- last_sim_reg = AB8505_LAST_SIM_REG;
- for (reg = AB8500_FIRST_SIM_REG; reg <= last_sim_reg; reg++) {
- err = abx500_get_register_interruptible(dev,
- bank, reg, &value);
- if (err < 0) {
- dev_err(dev, "ab->read fail %d\n", err);
- return err;
- }
- seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n", bank, reg, value);
- }
- err = abx500_set_register_interruptible(dev,
- AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, orig_value);
- if (err < 0) {
- dev_err(dev, "ab->write fail %d\n", err);
- return err;
- }
- return 0;
- }
- static int ab8500_modem_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_print_modem_registers,
- inode->i_private);
- }
- static const struct file_operations ab8500_modem_fops = {
- .open = ab8500_modem_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_bat_ctrl_print(struct seq_file *s, void *p)
- {
- int bat_ctrl_raw;
- int bat_ctrl_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- bat_ctrl_raw = ab8500_gpadc_read_raw(gpadc, BAT_CTRL,
- avg_sample, trig_edge, trig_timer, conv_type);
- bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- BAT_CTRL, bat_ctrl_raw);
- seq_printf(s, "%d,0x%X\n", bat_ctrl_convert, bat_ctrl_raw);
- return 0;
- }
- static int ab8500_gpadc_bat_ctrl_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_bat_ctrl_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_bat_ctrl_fops = {
- .open = ab8500_gpadc_bat_ctrl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_btemp_ball_print(struct seq_file *s, void *p)
- {
- int btemp_ball_raw;
- int btemp_ball_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- btemp_ball_raw = ab8500_gpadc_read_raw(gpadc, BTEMP_BALL,
- avg_sample, trig_edge, trig_timer, conv_type);
- btemp_ball_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
- btemp_ball_raw);
- seq_printf(s, "%d,0x%X\n", btemp_ball_convert, btemp_ball_raw);
- return 0;
- }
- static int ab8500_gpadc_btemp_ball_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_btemp_ball_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_btemp_ball_fops = {
- .open = ab8500_gpadc_btemp_ball_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_main_charger_v_print(struct seq_file *s, void *p)
- {
- int main_charger_v_raw;
- int main_charger_v_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- main_charger_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_V,
- avg_sample, trig_edge, trig_timer, conv_type);
- main_charger_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- MAIN_CHARGER_V, main_charger_v_raw);
- seq_printf(s, "%d,0x%X\n", main_charger_v_convert, main_charger_v_raw);
- return 0;
- }
- static int ab8500_gpadc_main_charger_v_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_main_charger_v_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_main_charger_v_fops = {
- .open = ab8500_gpadc_main_charger_v_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_acc_detect1_print(struct seq_file *s, void *p)
- {
- int acc_detect1_raw;
- int acc_detect1_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- acc_detect1_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT1,
- avg_sample, trig_edge, trig_timer, conv_type);
- acc_detect1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ACC_DETECT1,
- acc_detect1_raw);
- seq_printf(s, "%d,0x%X\n", acc_detect1_convert, acc_detect1_raw);
- return 0;
- }
- static int ab8500_gpadc_acc_detect1_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_acc_detect1_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_acc_detect1_fops = {
- .open = ab8500_gpadc_acc_detect1_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_acc_detect2_print(struct seq_file *s, void *p)
- {
- int acc_detect2_raw;
- int acc_detect2_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- acc_detect2_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT2,
- avg_sample, trig_edge, trig_timer, conv_type);
- acc_detect2_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- ACC_DETECT2, acc_detect2_raw);
- seq_printf(s, "%d,0x%X\n", acc_detect2_convert, acc_detect2_raw);
- return 0;
- }
- static int ab8500_gpadc_acc_detect2_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_acc_detect2_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_acc_detect2_fops = {
- .open = ab8500_gpadc_acc_detect2_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_aux1_print(struct seq_file *s, void *p)
- {
- int aux1_raw;
- int aux1_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- aux1_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX1,
- avg_sample, trig_edge, trig_timer, conv_type);
- aux1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX1,
- aux1_raw);
- seq_printf(s, "%d,0x%X\n", aux1_convert, aux1_raw);
- return 0;
- }
- static int ab8500_gpadc_aux1_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_aux1_print, inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_aux1_fops = {
- .open = ab8500_gpadc_aux1_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_aux2_print(struct seq_file *s, void *p)
- {
- int aux2_raw;
- int aux2_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- aux2_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX2,
- avg_sample, trig_edge, trig_timer, conv_type);
- aux2_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX2,
- aux2_raw);
- seq_printf(s, "%d,0x%X\n", aux2_convert, aux2_raw);
- return 0;
- }
- static int ab8500_gpadc_aux2_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_aux2_print, inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_aux2_fops = {
- .open = ab8500_gpadc_aux2_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_main_bat_v_print(struct seq_file *s, void *p)
- {
- int main_bat_v_raw;
- int main_bat_v_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- main_bat_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_BAT_V,
- avg_sample, trig_edge, trig_timer, conv_type);
- main_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
- main_bat_v_raw);
- seq_printf(s, "%d,0x%X\n", main_bat_v_convert, main_bat_v_raw);
- return 0;
- }
- static int ab8500_gpadc_main_bat_v_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_main_bat_v_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_main_bat_v_fops = {
- .open = ab8500_gpadc_main_bat_v_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_vbus_v_print(struct seq_file *s, void *p)
- {
- int vbus_v_raw;
- int vbus_v_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- vbus_v_raw = ab8500_gpadc_read_raw(gpadc, VBUS_V,
- avg_sample, trig_edge, trig_timer, conv_type);
- vbus_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBUS_V,
- vbus_v_raw);
- seq_printf(s, "%d,0x%X\n", vbus_v_convert, vbus_v_raw);
- return 0;
- }
- static int ab8500_gpadc_vbus_v_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_vbus_v_print, inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_vbus_v_fops = {
- .open = ab8500_gpadc_vbus_v_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_main_charger_c_print(struct seq_file *s, void *p)
- {
- int main_charger_c_raw;
- int main_charger_c_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- main_charger_c_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_C,
- avg_sample, trig_edge, trig_timer, conv_type);
- main_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- MAIN_CHARGER_C, main_charger_c_raw);
- seq_printf(s, "%d,0x%X\n", main_charger_c_convert, main_charger_c_raw);
- return 0;
- }
- static int ab8500_gpadc_main_charger_c_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_main_charger_c_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_main_charger_c_fops = {
- .open = ab8500_gpadc_main_charger_c_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_usb_charger_c_print(struct seq_file *s, void *p)
- {
- int usb_charger_c_raw;
- int usb_charger_c_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- usb_charger_c_raw = ab8500_gpadc_read_raw(gpadc, USB_CHARGER_C,
- avg_sample, trig_edge, trig_timer, conv_type);
- usb_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- USB_CHARGER_C, usb_charger_c_raw);
- seq_printf(s, "%d,0x%X\n", usb_charger_c_convert, usb_charger_c_raw);
- return 0;
- }
- static int ab8500_gpadc_usb_charger_c_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_gpadc_usb_charger_c_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_usb_charger_c_fops = {
- .open = ab8500_gpadc_usb_charger_c_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_bk_bat_v_print(struct seq_file *s, void *p)
- {
- int bk_bat_v_raw;
- int bk_bat_v_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- bk_bat_v_raw = ab8500_gpadc_read_raw(gpadc, BK_BAT_V,
- avg_sample, trig_edge, trig_timer, conv_type);
- bk_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- BK_BAT_V, bk_bat_v_raw);
- seq_printf(s, "%d,0x%X\n", bk_bat_v_convert, bk_bat_v_raw);
- return 0;
- }
- static int ab8500_gpadc_bk_bat_v_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_bk_bat_v_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_bk_bat_v_fops = {
- .open = ab8500_gpadc_bk_bat_v_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_die_temp_print(struct seq_file *s, void *p)
- {
- int die_temp_raw;
- int die_temp_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- die_temp_raw = ab8500_gpadc_read_raw(gpadc, DIE_TEMP,
- avg_sample, trig_edge, trig_timer, conv_type);
- die_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, DIE_TEMP,
- die_temp_raw);
- seq_printf(s, "%d,0x%X\n", die_temp_convert, die_temp_raw);
- return 0;
- }
- static int ab8500_gpadc_die_temp_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_die_temp_print,
- inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_die_temp_fops = {
- .open = ab8500_gpadc_die_temp_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_usb_id_print(struct seq_file *s, void *p)
- {
- int usb_id_raw;
- int usb_id_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- usb_id_raw = ab8500_gpadc_read_raw(gpadc, USB_ID,
- avg_sample, trig_edge, trig_timer, conv_type);
- usb_id_convert = ab8500_gpadc_ad_to_voltage(gpadc, USB_ID,
- usb_id_raw);
- seq_printf(s, "%d,0x%X\n", usb_id_convert, usb_id_raw);
- return 0;
- }
- static int ab8500_gpadc_usb_id_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_usb_id_print, inode->i_private);
- }
- static const struct file_operations ab8500_gpadc_usb_id_fops = {
- .open = ab8500_gpadc_usb_id_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_xtal_temp_print(struct seq_file *s, void *p)
- {
- int xtal_temp_raw;
- int xtal_temp_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- xtal_temp_raw = ab8500_gpadc_read_raw(gpadc, XTAL_TEMP,
- avg_sample, trig_edge, trig_timer, conv_type);
- xtal_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, XTAL_TEMP,
- xtal_temp_raw);
- seq_printf(s, "%d,0x%X\n", xtal_temp_convert, xtal_temp_raw);
- return 0;
- }
- static int ab8540_gpadc_xtal_temp_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8540_gpadc_xtal_temp_print,
- inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_xtal_temp_fops = {
- .open = ab8540_gpadc_xtal_temp_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_vbat_true_meas_print(struct seq_file *s, void *p)
- {
- int vbat_true_meas_raw;
- int vbat_true_meas_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- vbat_true_meas_raw = ab8500_gpadc_read_raw(gpadc, VBAT_TRUE_MEAS,
- avg_sample, trig_edge, trig_timer, conv_type);
- vbat_true_meas_convert =
- ab8500_gpadc_ad_to_voltage(gpadc, VBAT_TRUE_MEAS,
- vbat_true_meas_raw);
- seq_printf(s, "%d,0x%X\n", vbat_true_meas_convert, vbat_true_meas_raw);
- return 0;
- }
- static int ab8540_gpadc_vbat_true_meas_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8540_gpadc_vbat_true_meas_print,
- inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_vbat_true_meas_fops = {
- .open = ab8540_gpadc_vbat_true_meas_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_bat_ctrl_and_ibat_print(struct seq_file *s, void *p)
- {
- int bat_ctrl_raw;
- int bat_ctrl_convert;
- int ibat_raw;
- int ibat_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- bat_ctrl_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_CTRL_AND_IBAT,
- avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
- bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc, BAT_CTRL,
- bat_ctrl_raw);
- ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
- ibat_raw);
- seq_printf(s,
- "%d,0x%X\n"
- "%d,0x%X\n",
- bat_ctrl_convert, bat_ctrl_raw,
- ibat_convert, ibat_raw);
- return 0;
- }
- static int ab8540_gpadc_bat_ctrl_and_ibat_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8540_gpadc_bat_ctrl_and_ibat_print,
- inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_bat_ctrl_and_ibat_fops = {
- .open = ab8540_gpadc_bat_ctrl_and_ibat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_vbat_meas_and_ibat_print(struct seq_file *s, void *p)
- {
- int vbat_meas_raw;
- int vbat_meas_convert;
- int ibat_raw;
- int ibat_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- vbat_meas_raw = ab8500_gpadc_double_read_raw(gpadc, VBAT_MEAS_AND_IBAT,
- avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
- vbat_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
- vbat_meas_raw);
- ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
- ibat_raw);
- seq_printf(s,
- "%d,0x%X\n"
- "%d,0x%X\n",
- vbat_meas_convert, vbat_meas_raw,
- ibat_convert, ibat_raw);
- return 0;
- }
- static int ab8540_gpadc_vbat_meas_and_ibat_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8540_gpadc_vbat_meas_and_ibat_print,
- inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_vbat_meas_and_ibat_fops = {
- .open = ab8540_gpadc_vbat_meas_and_ibat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_vbat_true_meas_and_ibat_print(struct seq_file *s,
- void *p)
- {
- int vbat_true_meas_raw;
- int vbat_true_meas_convert;
- int ibat_raw;
- int ibat_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- vbat_true_meas_raw = ab8500_gpadc_double_read_raw(gpadc,
- VBAT_TRUE_MEAS_AND_IBAT, avg_sample, trig_edge,
- trig_timer, conv_type, &ibat_raw);
- vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc,
- VBAT_TRUE_MEAS, vbat_true_meas_raw);
- ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
- ibat_raw);
- seq_printf(s,
- "%d,0x%X\n"
- "%d,0x%X\n",
- vbat_true_meas_convert, vbat_true_meas_raw,
- ibat_convert, ibat_raw);
- return 0;
- }
- static int ab8540_gpadc_vbat_true_meas_and_ibat_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8540_gpadc_vbat_true_meas_and_ibat_print,
- inode->i_private);
- }
- static const struct file_operations
- ab8540_gpadc_vbat_true_meas_and_ibat_fops = {
- .open = ab8540_gpadc_vbat_true_meas_and_ibat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_bat_temp_and_ibat_print(struct seq_file *s, void *p)
- {
- int bat_temp_raw;
- int bat_temp_convert;
- int ibat_raw;
- int ibat_convert;
- struct ab8500_gpadc *gpadc;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- bat_temp_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_TEMP_AND_IBAT,
- avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
- bat_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
- bat_temp_raw);
- ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
- ibat_raw);
- seq_printf(s,
- "%d,0x%X\n"
- "%d,0x%X\n",
- bat_temp_convert, bat_temp_raw,
- ibat_convert, ibat_raw);
- return 0;
- }
- static int ab8540_gpadc_bat_temp_and_ibat_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8540_gpadc_bat_temp_and_ibat_print,
- inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_bat_temp_and_ibat_fops = {
- .open = ab8540_gpadc_bat_temp_and_ibat_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8540_gpadc_otp_cal_print(struct seq_file *s, void *p)
- {
- struct ab8500_gpadc *gpadc;
- u16 vmain_l, vmain_h, btemp_l, btemp_h;
- u16 vbat_l, vbat_h, ibat_l, ibat_h;
- gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
- ab8540_gpadc_get_otp(gpadc, &vmain_l, &vmain_h, &btemp_l, &btemp_h,
- &vbat_l, &vbat_h, &ibat_l, &ibat_h);
- seq_printf(s,
- "VMAIN_L:0x%X\n"
- "VMAIN_H:0x%X\n"
- "BTEMP_L:0x%X\n"
- "BTEMP_H:0x%X\n"
- "VBAT_L:0x%X\n"
- "VBAT_H:0x%X\n"
- "IBAT_L:0x%X\n"
- "IBAT_H:0x%X\n",
- vmain_l, vmain_h, btemp_l, btemp_h,
- vbat_l, vbat_h, ibat_l, ibat_h);
- return 0;
- }
- static int ab8540_gpadc_otp_cal_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8540_gpadc_otp_cal_print, inode->i_private);
- }
- static const struct file_operations ab8540_gpadc_otp_calib_fops = {
- .open = ab8540_gpadc_otp_cal_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_avg_sample_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "%d\n", avg_sample);
- return 0;
- }
- static int ab8500_gpadc_avg_sample_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_avg_sample_print,
- inode->i_private);
- }
- static ssize_t ab8500_gpadc_avg_sample_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_avg_sample;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_avg_sample);
- if (err)
- return err;
- if ((user_avg_sample == SAMPLE_1) || (user_avg_sample == SAMPLE_4)
- || (user_avg_sample == SAMPLE_8)
- || (user_avg_sample == SAMPLE_16)) {
- avg_sample = (u8) user_avg_sample;
- } else {
- dev_err(dev,
- "debugfs err input: should be egal to 1, 4, 8 or 16\n");
- return -EINVAL;
- }
- return count;
- }
- static const struct file_operations ab8500_gpadc_avg_sample_fops = {
- .open = ab8500_gpadc_avg_sample_open,
- .read = seq_read,
- .write = ab8500_gpadc_avg_sample_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_trig_edge_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "%d\n", trig_edge);
- return 0;
- }
- static int ab8500_gpadc_trig_edge_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_trig_edge_print,
- inode->i_private);
- }
- static ssize_t ab8500_gpadc_trig_edge_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_trig_edge;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_trig_edge);
- if (err)
- return err;
- if ((user_trig_edge == RISING_EDGE)
- || (user_trig_edge == FALLING_EDGE)) {
- trig_edge = (u8) user_trig_edge;
- } else {
- dev_err(dev, "Wrong input:\n"
- "Enter 0. Rising edge\n"
- "Enter 1. Falling edge\n");
- return -EINVAL;
- }
- return count;
- }
- static const struct file_operations ab8500_gpadc_trig_edge_fops = {
- .open = ab8500_gpadc_trig_edge_open,
- .read = seq_read,
- .write = ab8500_gpadc_trig_edge_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_trig_timer_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "%d\n", trig_timer);
- return 0;
- }
- static int ab8500_gpadc_trig_timer_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_trig_timer_print,
- inode->i_private);
- }
- static ssize_t ab8500_gpadc_trig_timer_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_trig_timer;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_trig_timer);
- if (err)
- return err;
- if (user_trig_timer & ~0xFF) {
- dev_err(dev,
- "debugfs error input: should be beetween 0 to 255\n");
- return -EINVAL;
- }
- trig_timer = (u8) user_trig_timer;
- return count;
- }
- static const struct file_operations ab8500_gpadc_trig_timer_fops = {
- .open = ab8500_gpadc_trig_timer_open,
- .read = seq_read,
- .write = ab8500_gpadc_trig_timer_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static int ab8500_gpadc_conv_type_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "%d\n", conv_type);
- return 0;
- }
- static int ab8500_gpadc_conv_type_open(struct inode *inode, struct file *file)
- {
- return single_open(file, ab8500_gpadc_conv_type_print,
- inode->i_private);
- }
- static ssize_t ab8500_gpadc_conv_type_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_conv_type;
- int err;
- err = kstrtoul_from_user(user_buf, count, 0, &user_conv_type);
- if (err)
- return err;
- if ((user_conv_type == ADC_SW)
- || (user_conv_type == ADC_HW)) {
- conv_type = (u8) user_conv_type;
- } else {
- dev_err(dev, "Wrong input:\n"
- "Enter 0. ADC SW conversion\n"
- "Enter 1. ADC HW conversion\n");
- return -EINVAL;
- }
- return count;
- }
- static const struct file_operations ab8500_gpadc_conv_type_fops = {
- .open = ab8500_gpadc_conv_type_open,
- .read = seq_read,
- .write = ab8500_gpadc_conv_type_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- /*
- * return length of an ASCII numerical value, 0 is string is not a
- * numerical value.
- * string shall start at value 1st char.
- * string can be tailed with \0 or space or newline chars only.
- * value can be decimal or hexadecimal (prefixed 0x or 0X).
- */
- static int strval_len(char *b)
- {
- char *s = b;
- if ((*s == '0') && ((*(s+1) == 'x') || (*(s+1) == 'X'))) {
- s += 2;
- for (; *s && (*s != ' ') && (*s != '\n'); s++) {
- if (!isxdigit(*s))
- return 0;
- }
- } else {
- if (*s == '-')
- s++;
- for (; *s && (*s != ' ') && (*s != '\n'); s++) {
- if (!isdigit(*s))
- return 0;
- }
- }
- return (int) (s-b);
- }
- /*
- * parse hwreg input data.
- * update global hwreg_cfg only if input data syntax is ok.
- */
- static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg,
- struct device *dev)
- {
- uint write, val = 0;
- u8 regvalue;
- int ret;
- struct hwreg_cfg loc = {
- .bank = 0, /* default: invalid phys addr */
- .addr = 0, /* default: invalid phys addr */
- .fmt = 0, /* default: 32bit access, hex output */
- .mask = 0xFFFFFFFF, /* default: no mask */
- .shift = 0, /* default: no bit shift */
- };
- /* read or write ? */
- if (!strncmp(b, "read ", 5)) {
- write = 0;
- b += 5;
- } else if (!strncmp(b, "write ", 6)) {
- write = 1;
- b += 6;
- } else
- return -EINVAL;
- /* OPTIONS -l|-w|-b -s -m -o */
- while ((*b == ' ') || (*b == '-')) {
- if (*(b-1) != ' ') {
- b++;
- continue;
- }
- if ((!strncmp(b, "-d ", 3)) ||
- (!strncmp(b, "-dec ", 5))) {
- b += (*(b+2) == ' ') ? 3 : 5;
- loc.fmt |= (1<<0);
- } else if ((!strncmp(b, "-h ", 3)) ||
- (!strncmp(b, "-hex ", 5))) {
- b += (*(b+2) == ' ') ? 3 : 5;
- loc.fmt &= ~(1<<0);
- } else if ((!strncmp(b, "-m ", 3)) ||
- (!strncmp(b, "-mask ", 6))) {
- b += (*(b+2) == ' ') ? 3 : 6;
- if (strval_len(b) == 0)
- return -EINVAL;
- ret = kstrtoul(b, 0, &loc.mask);
- if (ret)
- return ret;
- } else if ((!strncmp(b, "-s ", 3)) ||
- (!strncmp(b, "-shift ", 7))) {
- b += (*(b+2) == ' ') ? 3 : 7;
- if (strval_len(b) == 0)
- return -EINVAL;
- ret = kstrtol(b, 0, &loc.shift);
- if (ret)
- return ret;
- } else {
- return -EINVAL;
- }
- }
- /* get arg BANK and ADDRESS */
- if (strval_len(b) == 0)
- return -EINVAL;
- ret = kstrtouint(b, 0, &loc.bank);
- if (ret)
- return ret;
- while (*b == ' ')
- b++;
- if (strval_len(b) == 0)
- return -EINVAL;
- ret = kstrtoul(b, 0, &loc.addr);
- if (ret)
- return ret;
- if (write) {
- while (*b == ' ')
- b++;
- if (strval_len(b) == 0)
- return -EINVAL;
- ret = kstrtouint(b, 0, &val);
- if (ret)
- return ret;
- }
- /* args are ok, update target cfg (mainly for read) */
- *cfg = loc;
- #ifdef ABB_HWREG_DEBUG
- pr_warn("HWREG request: %s, %s,\n"
- " addr=0x%08X, mask=0x%X, shift=%d" "value=0x%X\n",
- (write) ? "write" : "read",
- REG_FMT_DEC(cfg) ? "decimal" : "hexa",
- cfg->addr, cfg->mask, cfg->shift, val);
- #endif
- if (!write)
- return 0;
- ret = abx500_get_register_interruptible(dev,
- (u8)cfg->bank, (u8)cfg->addr, ®value);
- if (ret < 0) {
- dev_err(dev, "abx500_get_reg fail %d, %d\n",
- ret, __LINE__);
- return -EINVAL;
- }
- if (cfg->shift >= 0) {
- regvalue &= ~(cfg->mask << (cfg->shift));
- val = (val & cfg->mask) << (cfg->shift);
- } else {
- regvalue &= ~(cfg->mask >> (-cfg->shift));
- val = (val & cfg->mask) >> (-cfg->shift);
- }
- val = val | regvalue;
- ret = abx500_set_register_interruptible(dev,
- (u8)cfg->bank, (u8)cfg->addr, (u8)val);
- if (ret < 0) {
- pr_err("abx500_set_reg failed %d, %d", ret, __LINE__);
- return -EINVAL;
- }
- return 0;
- }
- static ssize_t ab8500_hwreg_write(struct file *file,
- const char __user *user_buf, size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- char buf[128];
- int buf_size, ret;
- /* 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;
- /* get args and process */
- ret = hwreg_common_write(buf, &hwreg_cfg, dev);
- return (ret) ? ret : buf_size;
- }
- /*
- * - irq subscribe/unsubscribe stuff
- */
- static int ab8500_subscribe_unsubscribe_print(struct seq_file *s, void *p)
- {
- seq_printf(s, "%d\n", irq_first);
- return 0;
- }
- static int ab8500_subscribe_unsubscribe_open(struct inode *inode,
- struct file *file)
- {
- return single_open(file, ab8500_subscribe_unsubscribe_print,
- inode->i_private);
- }
- /*
- * Userspace should use poll() on this file. When an event occur
- * the blocking poll will be released.
- */
- static ssize_t show_irq(struct device *dev,
- struct device_attribute *attr, char *buf)
- {
- unsigned long name;
- unsigned int irq_index;
- int err;
- err = kstrtoul(attr->attr.name, 0, &name);
- if (err)
- return err;
- irq_index = name - irq_first;
- if (irq_index >= num_irqs)
- return -EINVAL;
- return sprintf(buf, "%u\n", irq_count[irq_index]);
- }
- static ssize_t ab8500_subscribe_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_val;
- int err;
- unsigned int irq_index;
- err = kstrtoul_from_user(user_buf, count, 0, &user_val);
- if (err)
- return err;
- if (user_val < irq_first) {
- dev_err(dev, "debugfs error input < %d\n", irq_first);
- return -EINVAL;
- }
- if (user_val > irq_last) {
- dev_err(dev, "debugfs error input > %d\n", irq_last);
- return -EINVAL;
- }
- irq_index = user_val - irq_first;
- if (irq_index >= num_irqs)
- return -EINVAL;
- /*
- * This will create a sysfs file named <irq-nr> which userspace can
- * use to select or poll and get the AB8500 events
- */
- dev_attr[irq_index] = kmalloc(sizeof(struct device_attribute),
- GFP_KERNEL);
- if (!dev_attr[irq_index])
- return -ENOMEM;
- event_name[irq_index] = kmalloc(count, GFP_KERNEL);
- if (!event_name[irq_index])
- return -ENOMEM;
- sprintf(event_name[irq_index], "%lu", user_val);
- dev_attr[irq_index]->show = show_irq;
- dev_attr[irq_index]->store = NULL;
- dev_attr[irq_index]->attr.name = event_name[irq_index];
- dev_attr[irq_index]->attr.mode = S_IRUGO;
- err = sysfs_create_file(&dev->kobj, &dev_attr[irq_index]->attr);
- if (err < 0) {
- pr_info("sysfs_create_file failed %d\n", err);
- return err;
- }
- err = request_threaded_irq(user_val, NULL, ab8500_debug_handler,
- IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT,
- "ab8500-debug", &dev->kobj);
- if (err < 0) {
- pr_info("request_threaded_irq failed %d, %lu\n",
- err, user_val);
- sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
- return err;
- }
- return count;
- }
- static ssize_t ab8500_unsubscribe_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
- {
- struct device *dev = ((struct seq_file *)(file->private_data))->private;
- unsigned long user_val;
- int err;
- unsigned int irq_index;
- err = kstrtoul_from_user(user_buf, count, 0, &user_val);
- if (err)
- return err;
- if (user_val < irq_first) {
- dev_err(dev, "debugfs error input < %d\n", irq_first);
- return -EINVAL;
- }
- if (user_val > irq_last) {
- dev_err(dev, "debugfs error input > %d\n", irq_last);
- return -EINVAL;
- }
- irq_index = user_val - irq_first;
- if (irq_index >= num_irqs)
- return -EINVAL;
- /* Set irq count to 0 when unsubscribe */
- irq_count[irq_index] = 0;
- if (dev_attr[irq_index])
- sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
- free_irq(user_val, &dev->kobj);
- kfree(event_name[irq_index]);
- kfree(dev_attr[irq_index]);
- return count;
- }
- /*
- * - several deubgfs nodes fops
- */
- static const struct file_operations ab8500_bank_fops = {
- .open = ab8500_bank_open,
- .write = ab8500_bank_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_address_fops = {
- .open = ab8500_address_open,
- .write = ab8500_address_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_val_fops = {
- .open = ab8500_val_open,
- .write = ab8500_val_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_interrupts_fops = {
- .open = ab8500_interrupts_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_subscribe_fops = {
- .open = ab8500_subscribe_unsubscribe_open,
- .write = ab8500_subscribe_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_unsubscribe_fops = {
- .open = ab8500_subscribe_unsubscribe_open,
- .write = ab8500_unsubscribe_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static const struct file_operations ab8500_hwreg_fops = {
- .open = ab8500_hwreg_open,
- .write = ab8500_hwreg_write,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
- };
- static struct dentry *ab8500_dir;
- static struct dentry *ab8500_gpadc_dir;
- static int ab8500_debug_probe(struct platform_device *plf)
- {
- struct dentry *file;
- struct ab8500 *ab8500;
- struct resource *res;
- debug_bank = AB8500_MISC;
- debug_address = AB8500_REV_REG & 0x00FF;
- ab8500 = dev_get_drvdata(plf->dev.parent);
- num_irqs = ab8500->mask_size;
- irq_count = devm_kzalloc(&plf->dev,
- sizeof(*irq_count)*num_irqs, GFP_KERNEL);
- if (!irq_count)
- return -ENOMEM;
- dev_attr = devm_kzalloc(&plf->dev,
- sizeof(*dev_attr)*num_irqs, GFP_KERNEL);
- if (!dev_attr)
- return -ENOMEM;
- event_name = devm_kzalloc(&plf->dev,
- sizeof(*event_name)*num_irqs, GFP_KERNEL);
- if (!event_name)
- return -ENOMEM;
- res = platform_get_resource_byname(plf, 0, "IRQ_AB8500");
- if (!res) {
- dev_err(&plf->dev, "AB8500 irq not found, err %d\n", irq_first);
- return -ENXIO;
- }
- irq_ab8500 = res->start;
- irq_first = platform_get_irq_byname(plf, "IRQ_FIRST");
- if (irq_first < 0) {
- dev_err(&plf->dev, "First irq not found, err %d\n", irq_first);
- return irq_first;
- }
- irq_last = platform_get_irq_byname(plf, "IRQ_LAST");
- if (irq_last < 0) {
- dev_err(&plf->dev, "Last irq not found, err %d\n", irq_last);
- return irq_last;
- }
- ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL);
- if (!ab8500_dir)
- goto err;
- ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING,
- ab8500_dir);
- if (!ab8500_gpadc_dir)
- goto err;
- file = debugfs_create_file("all-bank-registers", S_IRUGO, ab8500_dir,
- &plf->dev, &ab8500_registers_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("all-banks", S_IRUGO, ab8500_dir,
- &plf->dev, &ab8500_all_banks_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("register-bank",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_dir, &plf->dev, &ab8500_bank_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("register-address",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_dir, &plf->dev, &ab8500_address_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("register-value",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_dir, &plf->dev, &ab8500_val_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("irq-subscribe",
- (S_IRUGO | S_IWUSR | S_IWGRP), ab8500_dir,
- &plf->dev, &ab8500_subscribe_fops);
- if (!file)
- goto err;
- if (is_ab8500(ab8500)) {
- debug_ranges = ab8500_debug_ranges;
- num_interrupt_lines = AB8500_NR_IRQS;
- } else if (is_ab8505(ab8500)) {
- debug_ranges = ab8505_debug_ranges;
- num_interrupt_lines = AB8505_NR_IRQS;
- } else if (is_ab9540(ab8500)) {
- debug_ranges = ab8505_debug_ranges;
- num_interrupt_lines = AB9540_NR_IRQS;
- } else if (is_ab8540(ab8500)) {
- debug_ranges = ab8540_debug_ranges;
- num_interrupt_lines = AB8540_NR_IRQS;
- }
- file = debugfs_create_file("interrupts", (S_IRUGO), ab8500_dir,
- &plf->dev, &ab8500_interrupts_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("irq-unsubscribe",
- (S_IRUGO | S_IWUSR | S_IWGRP), ab8500_dir,
- &plf->dev, &ab8500_unsubscribe_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("hwreg", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_dir, &plf->dev, &ab8500_hwreg_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("all-modem-registers",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_dir, &plf->dev, &ab8500_modem_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_bat_ctrl_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir,
- &plf->dev, &ab8500_gpadc_btemp_ball_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("main_charger_v",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_charger_v_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("acc_detect1",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_acc_detect1_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("acc_detect2",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_acc_detect2_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_aux1_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_aux2_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_bat_v_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_vbus_v_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("main_charger_c",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_charger_c_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("usb_charger_c",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir,
- &plf->dev, &ab8500_gpadc_usb_charger_c_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_bk_bat_v_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_die_temp_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("usb_id", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_usb_id_fops);
- if (!file)
- goto err;
- if (is_ab8540(ab8500)) {
- file = debugfs_create_file("xtal_temp",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_xtal_temp_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("vbattruemeas",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_vbat_true_meas_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("batctrl_and_ibat",
- (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir,
- &plf->dev,
- &ab8540_gpadc_bat_ctrl_and_ibat_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("vbatmeas_and_ibat",
- (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_vbat_meas_and_ibat_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("vbattruemeas_and_ibat",
- (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir,
- &plf->dev,
- &ab8540_gpadc_vbat_true_meas_and_ibat_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("battemp_and_ibat",
- (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir,
- &plf->dev, &ab8540_gpadc_bat_temp_and_ibat_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("otp_calib",
- (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir,
- &plf->dev, &ab8540_gpadc_otp_calib_fops);
- if (!file)
- goto err;
- }
- file = debugfs_create_file("avg_sample", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_avg_sample_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("trig_edge", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_trig_edge_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("trig_timer", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_trig_timer_fops);
- if (!file)
- goto err;
- file = debugfs_create_file("conv_type", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_conv_type_fops);
- if (!file)
- goto err;
- return 0;
- err:
- debugfs_remove_recursive(ab8500_dir);
- dev_err(&plf->dev, "failed to create debugfs entries.\n");
- return -ENOMEM;
- }
- static int ab8500_debug_remove(struct platform_device *plf)
- {
- debugfs_remove_recursive(ab8500_dir);
- return 0;
- }
- static struct platform_driver ab8500_debug_driver = {
- .driver = {
- .name = "ab8500-debug",
- },
- .probe = ab8500_debug_probe,
- .remove = ab8500_debug_remove
- };
- static int __init ab8500_debug_init(void)
- {
- return platform_driver_register(&ab8500_debug_driver);
- }
- static void __exit ab8500_debug_exit(void)
- {
- platform_driver_unregister(&ab8500_debug_driver);
- }
- subsys_initcall(ab8500_debug_init);
- module_exit(ab8500_debug_exit);
- MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com");
- MODULE_DESCRIPTION("AB8500 DEBUG");
- MODULE_LICENSE("GPL v2");
|