diff options
Diffstat (limited to 'kernel/drivers/mfd/ab8500-debugfs.c')
| -rw-r--r-- | kernel/drivers/mfd/ab8500-debugfs.c | 3331 |
1 files changed, 3331 insertions, 0 deletions
diff --git a/kernel/drivers/mfd/ab8500-debugfs.c b/kernel/drivers/mfd/ab8500-debugfs.c new file mode 100644 index 000000000..cdd6f3d63 --- /dev/null +++ b/kernel/drivers/mfd/ab8500-debugfs.c @@ -0,0 +1,3331 @@ +/* + * 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, + "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"); |