/* * 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) { err = seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n", bank, reg, value); if (err < 0) { /* Error is not returned here since * the output is wanted in any case */ 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); ab8500_registers_print(dev, bank, s); return 0; } 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++) { seq_printf(s, " bank 0x%02X:\n", i); ab8500_registers_print(dev, i, s); } 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) { return seq_printf(s, "0x%02X\n", debug_bank); } 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) { return seq_printf(s, "0x%02X\n", debug_address); } 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; } 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); return seq_printf(s, "%d,0x%X\n", bat_ctrl_convert, bat_ctrl_raw); } 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); return seq_printf(s, "%d,0x%X\n", btemp_ball_convert, btemp_ball_raw); } 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); return seq_printf(s, "%d,0x%X\n", main_charger_v_convert, main_charger_v_raw); } 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); return seq_printf(s, "%d,0x%X\n", acc_detect1_convert, acc_detect1_raw); } 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); return seq_printf(s, "%d,0x%X\n", acc_detect2_convert, acc_detect2_raw); } 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); return seq_printf(s, "%d,0x%X\n", aux1_convert, aux1_raw); } 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); return seq_printf(s, "%d,0x%X\n", aux2_convert, aux2_raw); } 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); return seq_printf(s, "%d,0x%X\n", main_bat_v_convert, main_bat_v_raw); } 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); return seq_printf(s, "%d,0x%X\n", vbus_v_convert, vbus_v_raw); } 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); return seq_printf(s, "%d,0x%X\n", main_charger_c_convert, main_charger_c_raw); } 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); return seq_printf(s, "%d,0x%X\n", usb_charger_c_convert, usb_charger_c_raw); } 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); return seq_printf(s, "%d,0x%X\n", bk_bat_v_convert, bk_bat_v_raw); } 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); return seq_printf(s, "%d,0x%X\n", die_temp_convert, die_temp_raw); } 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); return seq_printf(s, "%d,0x%X\n", usb_id_convert, usb_id_raw); } 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); return seq_printf(s, "%d,0x%X\n", xtal_temp_convert, xtal_temp_raw); } 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); return seq_printf(s, "%d,0x%X\n", vbat_true_meas_convert, vbat_true_meas_raw); } 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); return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n", bat_ctrl_convert, bat_ctrl_raw, ibat_convert, ibat_raw); } 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); return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n", vbat_meas_convert, vbat_meas_raw, ibat_convert, ibat_raw); } 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); return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n", vbat_true_meas_convert, vbat_true_meas_raw, ibat_convert, ibat_raw); } 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); return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n", bat_temp_convert, bat_temp_raw, ibat_convert, ibat_raw); } 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); return 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); } 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) { return seq_printf(s, "%d\n", avg_sample); } 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) { return seq_printf(s, "%d\n", trig_edge); } 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) { return seq_printf(s, "%d\n", trig_timer); } 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) { return seq_printf(s, "%d\n", conv_type); } 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, "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");