#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>
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
};
#define AB8500_NAME_STRING "ab8500"
-#define AB8500_ADC_NAME_STRING "gpadc"
#define AB8500_NUM_BANKS AB8500_DEBUG_FIELD_LAST
#define AB8500_REV_REG 0x80
DEFINE_SHOW_ATTRIBUTE(ab8500_modem);
-static int ab8500_gpadc_bat_ctrl_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_bat_ctrl);
-
-static int ab8500_gpadc_btemp_ball_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_btemp_ball);
-
-static int ab8500_gpadc_main_charger_v_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_main_charger_v);
-
-static int ab8500_gpadc_acc_detect1_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_acc_detect1);
-
-static int ab8500_gpadc_acc_detect2_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_acc_detect2);
-
-static int ab8500_gpadc_aux1_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_aux1);
-
-static int ab8500_gpadc_aux2_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_aux2);
-
-static int ab8500_gpadc_main_bat_v_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_main_bat_v);
-
-static int ab8500_gpadc_vbus_v_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_vbus_v);
-
-static int ab8500_gpadc_main_charger_c_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_main_charger_c);
-
-static int ab8500_gpadc_usb_charger_c_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_usb_charger_c);
-
-static int ab8500_gpadc_bk_bat_v_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_bk_bat_v);
-
-static int ab8500_gpadc_die_temp_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_die_temp);
-
-static int ab8500_gpadc_usb_id_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8500_gpadc_usb_id);
-
-static int ab8540_gpadc_xtal_temp_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_xtal_temp);
-
-static int ab8540_gpadc_vbat_true_meas_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_vbat_true_meas);
-
-static int ab8540_gpadc_bat_ctrl_and_ibat_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_bat_ctrl_and_ibat);
-
-static int ab8540_gpadc_vbat_meas_and_ibat_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_vbat_meas_and_ibat);
-
-static int ab8540_gpadc_vbat_true_meas_and_ibat_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_vbat_true_meas_and_ibat);
-
-static int ab8540_gpadc_bat_temp_and_ibat_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_bat_temp_and_ibat);
-
-static int ab8540_gpadc_otp_calib_show(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;
-}
-
-DEFINE_SHOW_ATTRIBUTE(ab8540_gpadc_otp_calib);
-
-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 between 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.
static int ab8500_debug_probe(struct platform_device *plf)
{
struct dentry *ab8500_dir;
- struct dentry *ab8500_gpadc_dir;
struct ab8500 *ab8500;
struct resource *res;
ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL);
- ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING,
- ab8500_dir);
-
debugfs_create_file("all-bank-registers", S_IRUGO, ab8500_dir,
&plf->dev, &ab8500_bank_registers_fops);
debugfs_create_file("all-banks", S_IRUGO, ab8500_dir,
&plf->dev, &ab8500_hwreg_fops);
debugfs_create_file("all-modem-registers", (S_IRUGO | S_IWUSR | S_IWGRP),
ab8500_dir, &plf->dev, &ab8500_modem_fops);
- debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_bat_ctrl_fops);
- debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_btemp_ball_fops);
- debugfs_create_file("main_charger_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_charger_v_fops);
- debugfs_create_file("acc_detect1", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_acc_detect1_fops);
- debugfs_create_file("acc_detect2", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_acc_detect2_fops);
- debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_aux1_fops);
- debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_aux2_fops);
- debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_bat_v_fops);
- debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_vbus_v_fops);
- debugfs_create_file("main_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_main_charger_c_fops);
- debugfs_create_file("usb_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_usb_charger_c_fops);
- debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_bk_bat_v_fops);
- debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_die_temp_fops);
- debugfs_create_file("usb_id", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_usb_id_fops);
- if (is_ab8540(ab8500)) {
- debugfs_create_file("xtal_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_xtal_temp_fops);
- debugfs_create_file("vbattruemeas", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_vbat_true_meas_fops);
- debugfs_create_file("batctrl_and_ibat", (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_bat_ctrl_and_ibat_fops);
- debugfs_create_file("vbatmeas_and_ibat", (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_vbat_meas_and_ibat_fops);
- debugfs_create_file("vbattruemeas_and_ibat", (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_vbat_true_meas_and_ibat_fops);
- debugfs_create_file("battemp_and_ibat", (S_IRUGO | S_IWUGO),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_bat_temp_and_ibat_fops);
- debugfs_create_file("otp_calib", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8540_gpadc_otp_calib_fops);
- }
- debugfs_create_file("avg_sample", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_avg_sample_fops);
- debugfs_create_file("trig_edge", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_trig_edge_fops);
- debugfs_create_file("trig_timer", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_trig_timer_fops);
- debugfs_create_file("conv_type", (S_IRUGO | S_IWUSR | S_IWGRP),
- ab8500_gpadc_dir, &plf->dev,
- &ab8500_gpadc_conv_type_fops);
return 0;
}
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * Author: Arun R Murthy <arun.murthy@stericsson.com>
- * Author: Daniel Willerud <daniel.willerud@stericsson.com>
- * Author: Johan Palsson <johan.palsson@stericsson.com>
- * Author: M'boumba Cedric Madianga
- */
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
-#include <linux/pm_runtime.h>
-#include <linux/platform_device.h>
-#include <linux/completion.h>
-#include <linux/regulator/consumer.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/mfd/abx500.h>
-#include <linux/mfd/abx500/ab8500.h>
-#include <linux/mfd/abx500/ab8500-gpadc.h>
-
-/*
- * GPADC register offsets
- * Bank : 0x0A
- */
-#define AB8500_GPADC_CTRL1_REG 0x00
-#define AB8500_GPADC_CTRL2_REG 0x01
-#define AB8500_GPADC_CTRL3_REG 0x02
-#define AB8500_GPADC_AUTO_TIMER_REG 0x03
-#define AB8500_GPADC_STAT_REG 0x04
-#define AB8500_GPADC_MANDATAL_REG 0x05
-#define AB8500_GPADC_MANDATAH_REG 0x06
-#define AB8500_GPADC_AUTODATAL_REG 0x07
-#define AB8500_GPADC_AUTODATAH_REG 0x08
-#define AB8500_GPADC_MUX_CTRL_REG 0x09
-#define AB8540_GPADC_MANDATA2L_REG 0x09
-#define AB8540_GPADC_MANDATA2H_REG 0x0A
-#define AB8540_GPADC_APEAAX_REG 0x10
-#define AB8540_GPADC_APEAAT_REG 0x11
-#define AB8540_GPADC_APEAAM_REG 0x12
-#define AB8540_GPADC_APEAAH_REG 0x13
-#define AB8540_GPADC_APEAAL_REG 0x14
-
-/*
- * OTP register offsets
- * Bank : 0x15
- */
-#define AB8500_GPADC_CAL_1 0x0F
-#define AB8500_GPADC_CAL_2 0x10
-#define AB8500_GPADC_CAL_3 0x11
-#define AB8500_GPADC_CAL_4 0x12
-#define AB8500_GPADC_CAL_5 0x13
-#define AB8500_GPADC_CAL_6 0x14
-#define AB8500_GPADC_CAL_7 0x15
-/* New calibration for 8540 */
-#define AB8540_GPADC_OTP4_REG_7 0x38
-#define AB8540_GPADC_OTP4_REG_6 0x39
-#define AB8540_GPADC_OTP4_REG_5 0x3A
-
-/* gpadc constants */
-#define EN_VINTCORE12 0x04
-#define EN_VTVOUT 0x02
-#define EN_GPADC 0x01
-#define DIS_GPADC 0x00
-#define AVG_1 0x00
-#define AVG_4 0x20
-#define AVG_8 0x40
-#define AVG_16 0x60
-#define ADC_SW_CONV 0x04
-#define EN_ICHAR 0x80
-#define BTEMP_PULL_UP 0x08
-#define EN_BUF 0x40
-#define DIS_ZERO 0x00
-#define GPADC_BUSY 0x01
-#define EN_FALLING 0x10
-#define EN_TRIG_EDGE 0x02
-#define EN_VBIAS_XTAL_TEMP 0x02
-
-/* GPADC constants from AB8500 spec, UM0836 */
-#define ADC_RESOLUTION 1024
-#define ADC_CH_BTEMP_MIN 0
-#define ADC_CH_BTEMP_MAX 1350
-#define ADC_CH_DIETEMP_MIN 0
-#define ADC_CH_DIETEMP_MAX 1350
-#define ADC_CH_CHG_V_MIN 0
-#define ADC_CH_CHG_V_MAX 20030
-#define ADC_CH_ACCDET2_MIN 0
-#define ADC_CH_ACCDET2_MAX 2500
-#define ADC_CH_VBAT_MIN 2300
-#define ADC_CH_VBAT_MAX 4800
-#define ADC_CH_CHG_I_MIN 0
-#define ADC_CH_CHG_I_MAX 1500
-#define ADC_CH_BKBAT_MIN 0
-#define ADC_CH_BKBAT_MAX 3200
-
-/* GPADC constants from AB8540 spec */
-#define ADC_CH_IBAT_MIN (-6000) /* mA range measured by ADC for ibat */
-#define ADC_CH_IBAT_MAX 6000
-#define ADC_CH_IBAT_MIN_V (-60) /* mV range measured by ADC for ibat */
-#define ADC_CH_IBAT_MAX_V 60
-#define IBAT_VDROP_L (-56) /* mV */
-#define IBAT_VDROP_H 56
-
-/* This is used to not lose precision when dividing to get gain and offset */
-#define CALIB_SCALE 1000
-/*
- * Number of bits shift used to not lose precision
- * when dividing to get ibat gain.
- */
-#define CALIB_SHIFT_IBAT 20
-
-/* Time in ms before disabling regulator */
-#define GPADC_AUDOSUSPEND_DELAY 1
-
-#define CONVERSION_TIME 500 /* ms */
-
-enum cal_channels {
- ADC_INPUT_VMAIN = 0,
- ADC_INPUT_BTEMP,
- ADC_INPUT_VBAT,
- ADC_INPUT_IBAT,
- NBR_CAL_INPUTS,
-};
-
-/**
- * struct adc_cal_data - Table for storing gain and offset for the calibrated
- * ADC channels
- * @gain: Gain of the ADC channel
- * @offset: Offset of the ADC channel
- */
-struct adc_cal_data {
- s64 gain;
- s64 offset;
- u16 otp_calib_hi;
- u16 otp_calib_lo;
-};
-
-/**
- * struct ab8500_gpadc - AB8500 GPADC device information
- * @dev: pointer to the struct device
- * @node: a list of AB8500 GPADCs, hence prepared for
- reentrance
- * @parent: pointer to the struct ab8500
- * @ab8500_gpadc_complete: pointer to the struct completion, to indicate
- * the completion of gpadc conversion
- * @ab8500_gpadc_lock: structure of type mutex
- * @regu: pointer to the struct regulator
- * @irq_sw: interrupt number that is used by gpadc for Sw
- * conversion
- * @irq_hw: interrupt number that is used by gpadc for Hw
- * conversion
- * @cal_data array of ADC calibration data structs
- */
-struct ab8500_gpadc {
- struct device *dev;
- struct list_head node;
- struct ab8500 *parent;
- struct completion ab8500_gpadc_complete;
- struct mutex ab8500_gpadc_lock;
- struct regulator *regu;
- int irq_sw;
- int irq_hw;
- struct adc_cal_data cal_data[NBR_CAL_INPUTS];
-};
-
-static LIST_HEAD(ab8500_gpadc_list);
-
-/**
- * ab8500_gpadc_get() - returns a reference to the primary AB8500 GPADC
- * (i.e. the first GPADC in the instance list)
- */
-struct ab8500_gpadc *ab8500_gpadc_get(char *name)
-{
- struct ab8500_gpadc *gpadc;
-
- list_for_each_entry(gpadc, &ab8500_gpadc_list, node) {
- if (!strcmp(name, dev_name(gpadc->dev)))
- return gpadc;
- }
-
- return ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL(ab8500_gpadc_get);
-
-/**
- * ab8500_gpadc_ad_to_voltage() - Convert a raw ADC value to a voltage
- */
-int ab8500_gpadc_ad_to_voltage(struct ab8500_gpadc *gpadc, u8 channel,
- int ad_value)
-{
- int res;
-
- switch (channel) {
- case MAIN_CHARGER_V:
- /* For some reason we don't have calibrated data */
- if (!gpadc->cal_data[ADC_INPUT_VMAIN].gain) {
- res = ADC_CH_CHG_V_MIN + (ADC_CH_CHG_V_MAX -
- ADC_CH_CHG_V_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
- }
- /* Here we can use the calibrated data */
- res = (int) (ad_value * gpadc->cal_data[ADC_INPUT_VMAIN].gain +
- gpadc->cal_data[ADC_INPUT_VMAIN].offset) / CALIB_SCALE;
- break;
-
- case XTAL_TEMP:
- case BAT_CTRL:
- case BTEMP_BALL:
- case ACC_DETECT1:
- case ADC_AUX1:
- case ADC_AUX2:
- /* For some reason we don't have calibrated data */
- if (!gpadc->cal_data[ADC_INPUT_BTEMP].gain) {
- res = ADC_CH_BTEMP_MIN + (ADC_CH_BTEMP_MAX -
- ADC_CH_BTEMP_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
- }
- /* Here we can use the calibrated data */
- res = (int) (ad_value * gpadc->cal_data[ADC_INPUT_BTEMP].gain +
- gpadc->cal_data[ADC_INPUT_BTEMP].offset) / CALIB_SCALE;
- break;
-
- case MAIN_BAT_V:
- case VBAT_TRUE_MEAS:
- /* For some reason we don't have calibrated data */
- if (!gpadc->cal_data[ADC_INPUT_VBAT].gain) {
- res = ADC_CH_VBAT_MIN + (ADC_CH_VBAT_MAX -
- ADC_CH_VBAT_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
- }
- /* Here we can use the calibrated data */
- res = (int) (ad_value * gpadc->cal_data[ADC_INPUT_VBAT].gain +
- gpadc->cal_data[ADC_INPUT_VBAT].offset) / CALIB_SCALE;
- break;
-
- case DIE_TEMP:
- res = ADC_CH_DIETEMP_MIN +
- (ADC_CH_DIETEMP_MAX - ADC_CH_DIETEMP_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
-
- case ACC_DETECT2:
- res = ADC_CH_ACCDET2_MIN +
- (ADC_CH_ACCDET2_MAX - ADC_CH_ACCDET2_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
-
- case VBUS_V:
- res = ADC_CH_CHG_V_MIN +
- (ADC_CH_CHG_V_MAX - ADC_CH_CHG_V_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
-
- case MAIN_CHARGER_C:
- case USB_CHARGER_C:
- res = ADC_CH_CHG_I_MIN +
- (ADC_CH_CHG_I_MAX - ADC_CH_CHG_I_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
-
- case BK_BAT_V:
- res = ADC_CH_BKBAT_MIN +
- (ADC_CH_BKBAT_MAX - ADC_CH_BKBAT_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
-
- case IBAT_VIRTUAL_CHANNEL:
- /* For some reason we don't have calibrated data */
- if (!gpadc->cal_data[ADC_INPUT_IBAT].gain) {
- res = ADC_CH_IBAT_MIN + (ADC_CH_IBAT_MAX -
- ADC_CH_IBAT_MIN) * ad_value /
- ADC_RESOLUTION;
- break;
- }
- /* Here we can use the calibrated data */
- res = (int) (ad_value * gpadc->cal_data[ADC_INPUT_IBAT].gain +
- gpadc->cal_data[ADC_INPUT_IBAT].offset)
- >> CALIB_SHIFT_IBAT;
- break;
-
- default:
- dev_err(gpadc->dev,
- "unknown channel, not possible to convert\n");
- res = -EINVAL;
- break;
-
- }
- return res;
-}
-EXPORT_SYMBOL(ab8500_gpadc_ad_to_voltage);
-
-/**
- * ab8500_gpadc_sw_hw_convert() - gpadc conversion
- * @channel: analog channel to be converted to digital data
- * @avg_sample: number of ADC sample to average
- * @trig_egde: selected ADC trig edge
- * @trig_timer: selected ADC trigger delay timer
- * @conv_type: selected conversion type (HW or SW conversion)
- *
- * This function converts the selected analog i/p to digital
- * data.
- */
-int ab8500_gpadc_sw_hw_convert(struct ab8500_gpadc *gpadc, u8 channel,
- u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type)
-{
- int ad_value;
- int voltage;
-
- ad_value = ab8500_gpadc_read_raw(gpadc, channel, avg_sample,
- trig_edge, trig_timer, conv_type);
-
- /* On failure retry a second time */
- if (ad_value < 0)
- ad_value = ab8500_gpadc_read_raw(gpadc, channel, avg_sample,
- trig_edge, trig_timer, conv_type);
- if (ad_value < 0) {
- dev_err(gpadc->dev, "GPADC raw value failed ch: %d\n",
- channel);
- return ad_value;
- }
-
- voltage = ab8500_gpadc_ad_to_voltage(gpadc, channel, ad_value);
- if (voltage < 0)
- dev_err(gpadc->dev,
- "GPADC to voltage conversion failed ch: %d AD: 0x%x\n",
- channel, ad_value);
-
- return voltage;
-}
-EXPORT_SYMBOL(ab8500_gpadc_sw_hw_convert);
-
-/**
- * ab8500_gpadc_read_raw() - gpadc read
- * @channel: analog channel to be read
- * @avg_sample: number of ADC sample to average
- * @trig_edge: selected trig edge
- * @trig_timer: selected ADC trigger delay timer
- * @conv_type: selected conversion type (HW or SW conversion)
- *
- * This function obtains the raw ADC value for an hardware conversion,
- * this then needs to be converted by calling ab8500_gpadc_ad_to_voltage()
- */
-int ab8500_gpadc_read_raw(struct ab8500_gpadc *gpadc, u8 channel,
- u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type)
-{
- return ab8500_gpadc_double_read_raw(gpadc, channel, avg_sample,
- trig_edge, trig_timer, conv_type,
- NULL);
-}
-
-int ab8500_gpadc_double_read_raw(struct ab8500_gpadc *gpadc, u8 channel,
- u8 avg_sample, u8 trig_edge, u8 trig_timer, u8 conv_type,
- int *ibat)
-{
- int ret;
- int looplimit = 0;
- unsigned long completion_timeout;
- u8 val, low_data, high_data, low_data2, high_data2;
- u8 val_reg1 = 0;
- unsigned int delay_min = 0;
- unsigned int delay_max = 0;
- u8 data_low_addr, data_high_addr;
-
- if (!gpadc)
- return -ENODEV;
-
- /* check if convertion is supported */
- if ((gpadc->irq_sw < 0) && (conv_type == ADC_SW))
- return -ENOTSUPP;
- if ((gpadc->irq_hw < 0) && (conv_type == ADC_HW))
- return -ENOTSUPP;
-
- mutex_lock(&gpadc->ab8500_gpadc_lock);
- /* Enable VTVout LDO this is required for GPADC */
- pm_runtime_get_sync(gpadc->dev);
-
- /* Check if ADC is not busy, lock and proceed */
- do {
- ret = abx500_get_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_STAT_REG, &val);
- if (ret < 0)
- goto out;
- if (!(val & GPADC_BUSY))
- break;
- msleep(20);
- } while (++looplimit < 10);
- if (looplimit >= 10 && (val & GPADC_BUSY)) {
- dev_err(gpadc->dev, "gpadc_conversion: GPADC busy");
- ret = -EINVAL;
- goto out;
- }
-
- /* Enable GPADC */
- val_reg1 |= EN_GPADC;
-
- /* Select the channel source and set average samples */
- switch (avg_sample) {
- case SAMPLE_1:
- val = channel | AVG_1;
- break;
- case SAMPLE_4:
- val = channel | AVG_4;
- break;
- case SAMPLE_8:
- val = channel | AVG_8;
- break;
- default:
- val = channel | AVG_16;
- break;
- }
-
- if (conv_type == ADC_HW) {
- ret = abx500_set_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_CTRL3_REG, val);
- val_reg1 |= EN_TRIG_EDGE;
- if (trig_edge)
- val_reg1 |= EN_FALLING;
- } else
- ret = abx500_set_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_CTRL2_REG, val);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: set avg samples failed\n");
- goto out;
- }
-
- /*
- * Enable ADC, buffering, select rising edge and enable ADC path
- * charging current sense if it needed, ABB 3.0 needs some special
- * treatment too.
- */
- switch (channel) {
- case MAIN_CHARGER_C:
- case USB_CHARGER_C:
- val_reg1 |= EN_BUF | EN_ICHAR;
- break;
- case BTEMP_BALL:
- if (!is_ab8500_2p0_or_earlier(gpadc->parent)) {
- val_reg1 |= EN_BUF | BTEMP_PULL_UP;
- /*
- * Delay might be needed for ABB8500 cut 3.0, if not,
- * remove when hardware will be availible
- */
- delay_min = 1000; /* Delay in micro seconds */
- delay_max = 10000; /* large range optimises sleepmode */
- break;
- }
- /* Intentional fallthrough */
- default:
- val_reg1 |= EN_BUF;
- break;
- }
-
- /* Write configuration to register */
- ret = abx500_set_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_CTRL1_REG, val_reg1);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: set Control register failed\n");
- goto out;
- }
-
- if (delay_min != 0)
- usleep_range(delay_min, delay_max);
-
- if (conv_type == ADC_HW) {
- /* Set trigger delay timer */
- ret = abx500_set_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_AUTO_TIMER_REG, trig_timer);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: trig timer failed\n");
- goto out;
- }
- completion_timeout = 2 * HZ;
- data_low_addr = AB8500_GPADC_AUTODATAL_REG;
- data_high_addr = AB8500_GPADC_AUTODATAH_REG;
- } else {
- /* Start SW conversion */
- ret = abx500_mask_and_set_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8500_GPADC_CTRL1_REG,
- ADC_SW_CONV, ADC_SW_CONV);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: start s/w conv failed\n");
- goto out;
- }
- completion_timeout = msecs_to_jiffies(CONVERSION_TIME);
- data_low_addr = AB8500_GPADC_MANDATAL_REG;
- data_high_addr = AB8500_GPADC_MANDATAH_REG;
- }
-
- /* wait for completion of conversion */
- if (!wait_for_completion_timeout(&gpadc->ab8500_gpadc_complete,
- completion_timeout)) {
- dev_err(gpadc->dev,
- "timeout didn't receive GPADC conv interrupt\n");
- ret = -EINVAL;
- goto out;
- }
-
- /* Read the converted RAW data */
- ret = abx500_get_register_interruptible(gpadc->dev,
- AB8500_GPADC, data_low_addr, &low_data);
- if (ret < 0) {
- dev_err(gpadc->dev, "gpadc_conversion: read low data failed\n");
- goto out;
- }
-
- ret = abx500_get_register_interruptible(gpadc->dev,
- AB8500_GPADC, data_high_addr, &high_data);
- if (ret < 0) {
- dev_err(gpadc->dev, "gpadc_conversion: read high data failed\n");
- goto out;
- }
-
- /* Check if double convertion is required */
- if ((channel == BAT_CTRL_AND_IBAT) ||
- (channel == VBAT_MEAS_AND_IBAT) ||
- (channel == VBAT_TRUE_MEAS_AND_IBAT) ||
- (channel == BAT_TEMP_AND_IBAT)) {
-
- if (conv_type == ADC_HW) {
- /* not supported */
- ret = -ENOTSUPP;
- dev_err(gpadc->dev,
- "gpadc_conversion: only SW double conversion supported\n");
- goto out;
- } else {
- /* Read the converted RAW data 2 */
- ret = abx500_get_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8540_GPADC_MANDATA2L_REG,
- &low_data2);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: read sw low data 2 failed\n");
- goto out;
- }
-
- ret = abx500_get_register_interruptible(gpadc->dev,
- AB8500_GPADC, AB8540_GPADC_MANDATA2H_REG,
- &high_data2);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "gpadc_conversion: read sw high data 2 failed\n");
- goto out;
- }
- if (ibat != NULL) {
- *ibat = (high_data2 << 8) | low_data2;
- } else {
- dev_warn(gpadc->dev,
- "gpadc_conversion: ibat not stored\n");
- }
-
- }
- }
-
- /* Disable GPADC */
- ret = abx500_set_register_interruptible(gpadc->dev, AB8500_GPADC,
- AB8500_GPADC_CTRL1_REG, DIS_GPADC);
- if (ret < 0) {
- dev_err(gpadc->dev, "gpadc_conversion: disable gpadc failed\n");
- goto out;
- }
-
- /* Disable VTVout LDO this is required for GPADC */
- pm_runtime_mark_last_busy(gpadc->dev);
- pm_runtime_put_autosuspend(gpadc->dev);
-
- mutex_unlock(&gpadc->ab8500_gpadc_lock);
-
- return (high_data << 8) | low_data;
-
-out:
- /*
- * It has shown to be needed to turn off the GPADC if an error occurs,
- * otherwise we might have problem when waiting for the busy bit in the
- * GPADC status register to go low. In V1.1 there wait_for_completion
- * seems to timeout when waiting for an interrupt.. Not seen in V2.0
- */
- (void) abx500_set_register_interruptible(gpadc->dev, AB8500_GPADC,
- AB8500_GPADC_CTRL1_REG, DIS_GPADC);
- pm_runtime_put(gpadc->dev);
- mutex_unlock(&gpadc->ab8500_gpadc_lock);
- dev_err(gpadc->dev,
- "gpadc_conversion: Failed to AD convert channel %d\n", channel);
- return ret;
-}
-EXPORT_SYMBOL(ab8500_gpadc_read_raw);
-
-/**
- * ab8500_bm_gpadcconvend_handler() - isr for gpadc conversion completion
- * @irq: irq number
- * @data: pointer to the data passed during request irq
- *
- * This is a interrupt service routine for gpadc conversion completion.
- * Notifies the gpadc completion is completed and the converted raw value
- * can be read from the registers.
- * Returns IRQ status(IRQ_HANDLED)
- */
-static irqreturn_t ab8500_bm_gpadcconvend_handler(int irq, void *_gpadc)
-{
- struct ab8500_gpadc *gpadc = _gpadc;
-
- complete(&gpadc->ab8500_gpadc_complete);
-
- return IRQ_HANDLED;
-}
-
-static int otp_cal_regs[] = {
- AB8500_GPADC_CAL_1,
- AB8500_GPADC_CAL_2,
- AB8500_GPADC_CAL_3,
- AB8500_GPADC_CAL_4,
- AB8500_GPADC_CAL_5,
- AB8500_GPADC_CAL_6,
- AB8500_GPADC_CAL_7,
-};
-
-static int otp4_cal_regs[] = {
- AB8540_GPADC_OTP4_REG_7,
- AB8540_GPADC_OTP4_REG_6,
- AB8540_GPADC_OTP4_REG_5,
-};
-
-static void ab8500_gpadc_read_calibration_data(struct ab8500_gpadc *gpadc)
-{
- int i;
- int ret[ARRAY_SIZE(otp_cal_regs)];
- u8 gpadc_cal[ARRAY_SIZE(otp_cal_regs)];
- int ret_otp4[ARRAY_SIZE(otp4_cal_regs)];
- u8 gpadc_otp4[ARRAY_SIZE(otp4_cal_regs)];
- int vmain_high, vmain_low;
- int btemp_high, btemp_low;
- int vbat_high, vbat_low;
- int ibat_high, ibat_low;
- s64 V_gain, V_offset, V2A_gain, V2A_offset;
- struct ab8500 *ab8500;
-
- ab8500 = gpadc->parent;
-
- /* First we read all OTP registers and store the error code */
- for (i = 0; i < ARRAY_SIZE(otp_cal_regs); i++) {
- ret[i] = abx500_get_register_interruptible(gpadc->dev,
- AB8500_OTP_EMUL, otp_cal_regs[i], &gpadc_cal[i]);
- if (ret[i] < 0)
- dev_err(gpadc->dev, "%s: read otp reg 0x%02x failed\n",
- __func__, otp_cal_regs[i]);
- }
-
- /*
- * The ADC calibration data is stored in OTP registers.
- * The layout of the calibration data is outlined below and a more
- * detailed description can be found in UM0836
- *
- * vm_h/l = vmain_high/low
- * bt_h/l = btemp_high/low
- * vb_h/l = vbat_high/low
- *
- * Data bits 8500/9540:
- * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | | vm_h9 | vm_h8
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | | vm_h7 | vm_h6 | vm_h5 | vm_h4 | vm_h3 | vm_h2
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vm_h1 | vm_h0 | vm_l4 | vm_l3 | vm_l2 | vm_l1 | vm_l0 | bt_h9
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | bt_h8 | bt_h7 | bt_h6 | bt_h5 | bt_h4 | bt_h3 | bt_h2 | bt_h1
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | bt_h0 | bt_l4 | bt_l3 | bt_l2 | bt_l1 | bt_l0 | vb_h9 | vb_h8
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vb_h7 | vb_h6 | vb_h5 | vb_h4 | vb_h3 | vb_h2 | vb_h1 | vb_h0
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vb_l5 | vb_l4 | vb_l3 | vb_l2 | vb_l1 | vb_l0 |
- * |.......|.......|.......|.......|.......|.......|.......|.......
- *
- * Data bits 8540:
- * OTP2
- * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * |
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vm_h9 | vm_h8 | vm_h7 | vm_h6 | vm_h5 | vm_h4 | vm_h3 | vm_h2
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vm_h1 | vm_h0 | vm_l4 | vm_l3 | vm_l2 | vm_l1 | vm_l0 | bt_h9
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | bt_h8 | bt_h7 | bt_h6 | bt_h5 | bt_h4 | bt_h3 | bt_h2 | bt_h1
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | bt_h0 | bt_l4 | bt_l3 | bt_l2 | bt_l1 | bt_l0 | vb_h9 | vb_h8
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vb_h7 | vb_h6 | vb_h5 | vb_h4 | vb_h3 | vb_h2 | vb_h1 | vb_h0
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | vb_l5 | vb_l4 | vb_l3 | vb_l2 | vb_l1 | vb_l0 |
- * |.......|.......|.......|.......|.......|.......|.......|.......
- *
- * Data bits 8540:
- * OTP4
- * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | | ib_h9 | ib_h8 | ib_h7
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | ib_h6 | ib_h5 | ib_h4 | ib_h3 | ib_h2 | ib_h1 | ib_h0 | ib_l5
- * |.......|.......|.......|.......|.......|.......|.......|.......
- * | ib_l4 | ib_l3 | ib_l2 | ib_l1 | ib_l0 |
- *
- *
- * Ideal output ADC codes corresponding to injected input voltages
- * during manufacturing is:
- *
- * vmain_high: Vin = 19500mV / ADC ideal code = 997
- * vmain_low: Vin = 315mV / ADC ideal code = 16
- * btemp_high: Vin = 1300mV / ADC ideal code = 985
- * btemp_low: Vin = 21mV / ADC ideal code = 16
- * vbat_high: Vin = 4700mV / ADC ideal code = 982
- * vbat_low: Vin = 2380mV / ADC ideal code = 33
- */
-
- if (is_ab8540(ab8500)) {
- /* Calculate gain and offset for VMAIN if all reads succeeded*/
- if (!(ret[1] < 0 || ret[2] < 0)) {
- vmain_high = (((gpadc_cal[1] & 0xFF) << 2) |
- ((gpadc_cal[2] & 0xC0) >> 6));
- vmain_low = ((gpadc_cal[2] & 0x3E) >> 1);
-
- gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_hi =
- (u16)vmain_high;
- gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_lo =
- (u16)vmain_low;
-
- gpadc->cal_data[ADC_INPUT_VMAIN].gain = CALIB_SCALE *
- (19500 - 315) / (vmain_high - vmain_low);
- gpadc->cal_data[ADC_INPUT_VMAIN].offset = CALIB_SCALE *
- 19500 - (CALIB_SCALE * (19500 - 315) /
- (vmain_high - vmain_low)) * vmain_high;
- } else {
- gpadc->cal_data[ADC_INPUT_VMAIN].gain = 0;
- }
-
- /* Read IBAT calibration Data */
- for (i = 0; i < ARRAY_SIZE(otp4_cal_regs); i++) {
- ret_otp4[i] = abx500_get_register_interruptible(
- gpadc->dev, AB8500_OTP_EMUL,
- otp4_cal_regs[i], &gpadc_otp4[i]);
- if (ret_otp4[i] < 0)
- dev_err(gpadc->dev,
- "%s: read otp4 reg 0x%02x failed\n",
- __func__, otp4_cal_regs[i]);
- }
-
- /* Calculate gain and offset for IBAT if all reads succeeded */
- if (!(ret_otp4[0] < 0 || ret_otp4[1] < 0 || ret_otp4[2] < 0)) {
- ibat_high = (((gpadc_otp4[0] & 0x07) << 7) |
- ((gpadc_otp4[1] & 0xFE) >> 1));
- ibat_low = (((gpadc_otp4[1] & 0x01) << 5) |
- ((gpadc_otp4[2] & 0xF8) >> 3));
-
- gpadc->cal_data[ADC_INPUT_IBAT].otp_calib_hi =
- (u16)ibat_high;
- gpadc->cal_data[ADC_INPUT_IBAT].otp_calib_lo =
- (u16)ibat_low;
-
- V_gain = ((IBAT_VDROP_H - IBAT_VDROP_L)
- << CALIB_SHIFT_IBAT) / (ibat_high - ibat_low);
-
- V_offset = (IBAT_VDROP_H << CALIB_SHIFT_IBAT) -
- (((IBAT_VDROP_H - IBAT_VDROP_L) <<
- CALIB_SHIFT_IBAT) / (ibat_high - ibat_low))
- * ibat_high;
- /*
- * Result obtained is in mV (at a scale factor),
- * we need to calculate gain and offset to get mA
- */
- V2A_gain = (ADC_CH_IBAT_MAX - ADC_CH_IBAT_MIN)/
- (ADC_CH_IBAT_MAX_V - ADC_CH_IBAT_MIN_V);
- V2A_offset = ((ADC_CH_IBAT_MAX_V * ADC_CH_IBAT_MIN -
- ADC_CH_IBAT_MAX * ADC_CH_IBAT_MIN_V)
- << CALIB_SHIFT_IBAT)
- / (ADC_CH_IBAT_MAX_V - ADC_CH_IBAT_MIN_V);
-
- gpadc->cal_data[ADC_INPUT_IBAT].gain =
- V_gain * V2A_gain;
- gpadc->cal_data[ADC_INPUT_IBAT].offset =
- V_offset * V2A_gain + V2A_offset;
- } else {
- gpadc->cal_data[ADC_INPUT_IBAT].gain = 0;
- }
-
- dev_dbg(gpadc->dev, "IBAT gain %llu offset %llu\n",
- gpadc->cal_data[ADC_INPUT_IBAT].gain,
- gpadc->cal_data[ADC_INPUT_IBAT].offset);
- } else {
- /* Calculate gain and offset for VMAIN if all reads succeeded */
- if (!(ret[0] < 0 || ret[1] < 0 || ret[2] < 0)) {
- vmain_high = (((gpadc_cal[0] & 0x03) << 8) |
- ((gpadc_cal[1] & 0x3F) << 2) |
- ((gpadc_cal[2] & 0xC0) >> 6));
- vmain_low = ((gpadc_cal[2] & 0x3E) >> 1);
-
- gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_hi =
- (u16)vmain_high;
- gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_lo =
- (u16)vmain_low;
-
- gpadc->cal_data[ADC_INPUT_VMAIN].gain = CALIB_SCALE *
- (19500 - 315) / (vmain_high - vmain_low);
-
- gpadc->cal_data[ADC_INPUT_VMAIN].offset = CALIB_SCALE *
- 19500 - (CALIB_SCALE * (19500 - 315) /
- (vmain_high - vmain_low)) * vmain_high;
- } else {
- gpadc->cal_data[ADC_INPUT_VMAIN].gain = 0;
- }
- }
-
- /* Calculate gain and offset for BTEMP if all reads succeeded */
- if (!(ret[2] < 0 || ret[3] < 0 || ret[4] < 0)) {
- btemp_high = (((gpadc_cal[2] & 0x01) << 9) |
- (gpadc_cal[3] << 1) | ((gpadc_cal[4] & 0x80) >> 7));
- btemp_low = ((gpadc_cal[4] & 0x7C) >> 2);
-
- gpadc->cal_data[ADC_INPUT_BTEMP].otp_calib_hi = (u16)btemp_high;
- gpadc->cal_data[ADC_INPUT_BTEMP].otp_calib_lo = (u16)btemp_low;
-
- gpadc->cal_data[ADC_INPUT_BTEMP].gain =
- CALIB_SCALE * (1300 - 21) / (btemp_high - btemp_low);
- gpadc->cal_data[ADC_INPUT_BTEMP].offset = CALIB_SCALE * 1300 -
- (CALIB_SCALE * (1300 - 21) / (btemp_high - btemp_low))
- * btemp_high;
- } else {
- gpadc->cal_data[ADC_INPUT_BTEMP].gain = 0;
- }
-
- /* Calculate gain and offset for VBAT if all reads succeeded */
- if (!(ret[4] < 0 || ret[5] < 0 || ret[6] < 0)) {
- vbat_high = (((gpadc_cal[4] & 0x03) << 8) | gpadc_cal[5]);
- vbat_low = ((gpadc_cal[6] & 0xFC) >> 2);
-
- gpadc->cal_data[ADC_INPUT_VBAT].otp_calib_hi = (u16)vbat_high;
- gpadc->cal_data[ADC_INPUT_VBAT].otp_calib_lo = (u16)vbat_low;
-
- gpadc->cal_data[ADC_INPUT_VBAT].gain = CALIB_SCALE *
- (4700 - 2380) / (vbat_high - vbat_low);
- gpadc->cal_data[ADC_INPUT_VBAT].offset = CALIB_SCALE * 4700 -
- (CALIB_SCALE * (4700 - 2380) /
- (vbat_high - vbat_low)) * vbat_high;
- } else {
- gpadc->cal_data[ADC_INPUT_VBAT].gain = 0;
- }
-
- dev_dbg(gpadc->dev, "VMAIN gain %llu offset %llu\n",
- gpadc->cal_data[ADC_INPUT_VMAIN].gain,
- gpadc->cal_data[ADC_INPUT_VMAIN].offset);
-
- dev_dbg(gpadc->dev, "BTEMP gain %llu offset %llu\n",
- gpadc->cal_data[ADC_INPUT_BTEMP].gain,
- gpadc->cal_data[ADC_INPUT_BTEMP].offset);
-
- dev_dbg(gpadc->dev, "VBAT gain %llu offset %llu\n",
- gpadc->cal_data[ADC_INPUT_VBAT].gain,
- gpadc->cal_data[ADC_INPUT_VBAT].offset);
-}
-
-#ifdef CONFIG_PM
-static int ab8500_gpadc_runtime_suspend(struct device *dev)
-{
- struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
-
- regulator_disable(gpadc->regu);
- return 0;
-}
-
-static int ab8500_gpadc_runtime_resume(struct device *dev)
-{
- struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
- int ret;
-
- ret = regulator_enable(gpadc->regu);
- if (ret)
- dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret);
- return ret;
-}
-#endif
-
-#ifdef CONFIG_PM_SLEEP
-static int ab8500_gpadc_suspend(struct device *dev)
-{
- struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
-
- mutex_lock(&gpadc->ab8500_gpadc_lock);
-
- pm_runtime_get_sync(dev);
-
- regulator_disable(gpadc->regu);
- return 0;
-}
-
-static int ab8500_gpadc_resume(struct device *dev)
-{
- struct ab8500_gpadc *gpadc = dev_get_drvdata(dev);
- int ret;
-
- ret = regulator_enable(gpadc->regu);
- if (ret)
- dev_err(dev, "Failed to enable vtvout LDO: %d\n", ret);
-
- pm_runtime_mark_last_busy(gpadc->dev);
- pm_runtime_put_autosuspend(gpadc->dev);
-
- mutex_unlock(&gpadc->ab8500_gpadc_lock);
- return ret;
-}
-#endif
-
-static int ab8500_gpadc_probe(struct platform_device *pdev)
-{
- int ret = 0;
- struct ab8500_gpadc *gpadc;
-
- gpadc = devm_kzalloc(&pdev->dev,
- sizeof(struct ab8500_gpadc), GFP_KERNEL);
- if (!gpadc)
- return -ENOMEM;
-
- gpadc->irq_sw = platform_get_irq_byname(pdev, "SW_CONV_END");
- if (gpadc->irq_sw < 0)
- dev_err(gpadc->dev, "failed to get platform sw_conv_end irq\n");
-
- gpadc->irq_hw = platform_get_irq_byname(pdev, "HW_CONV_END");
- if (gpadc->irq_hw < 0)
- dev_err(gpadc->dev, "failed to get platform hw_conv_end irq\n");
-
- gpadc->dev = &pdev->dev;
- gpadc->parent = dev_get_drvdata(pdev->dev.parent);
- mutex_init(&gpadc->ab8500_gpadc_lock);
-
- /* Initialize completion used to notify completion of conversion */
- init_completion(&gpadc->ab8500_gpadc_complete);
-
- /* Register interrupts */
- if (gpadc->irq_sw >= 0) {
- ret = request_threaded_irq(gpadc->irq_sw, NULL,
- ab8500_bm_gpadcconvend_handler,
- IRQF_NO_SUSPEND | IRQF_SHARED | IRQF_ONESHOT,
- "ab8500-gpadc-sw",
- gpadc);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "Failed to register interrupt irq: %d\n",
- gpadc->irq_sw);
- goto fail;
- }
- }
-
- if (gpadc->irq_hw >= 0) {
- ret = request_threaded_irq(gpadc->irq_hw, NULL,
- ab8500_bm_gpadcconvend_handler,
- IRQF_NO_SUSPEND | IRQF_SHARED | IRQF_ONESHOT,
- "ab8500-gpadc-hw",
- gpadc);
- if (ret < 0) {
- dev_err(gpadc->dev,
- "Failed to register interrupt irq: %d\n",
- gpadc->irq_hw);
- goto fail_irq;
- }
- }
-
- /* VTVout LDO used to power up ab8500-GPADC */
- gpadc->regu = devm_regulator_get(&pdev->dev, "vddadc");
- if (IS_ERR(gpadc->regu)) {
- ret = PTR_ERR(gpadc->regu);
- dev_err(gpadc->dev, "failed to get vtvout LDO\n");
- goto fail_irq;
- }
-
- platform_set_drvdata(pdev, gpadc);
-
- ret = regulator_enable(gpadc->regu);
- if (ret) {
- dev_err(gpadc->dev, "Failed to enable vtvout LDO: %d\n", ret);
- goto fail_enable;
- }
-
- pm_runtime_set_autosuspend_delay(gpadc->dev, GPADC_AUDOSUSPEND_DELAY);
- pm_runtime_use_autosuspend(gpadc->dev);
- pm_runtime_set_active(gpadc->dev);
- pm_runtime_enable(gpadc->dev);
-
- ab8500_gpadc_read_calibration_data(gpadc);
- list_add_tail(&gpadc->node, &ab8500_gpadc_list);
- dev_dbg(gpadc->dev, "probe success\n");
-
- return 0;
-
-fail_enable:
-fail_irq:
- free_irq(gpadc->irq_sw, gpadc);
- free_irq(gpadc->irq_hw, gpadc);
-fail:
- return ret;
-}
-
-static int ab8500_gpadc_remove(struct platform_device *pdev)
-{
- struct ab8500_gpadc *gpadc = platform_get_drvdata(pdev);
-
- /* remove this gpadc entry from the list */
- list_del(&gpadc->node);
- /* remove interrupt - completion of Sw ADC conversion */
- if (gpadc->irq_sw >= 0)
- free_irq(gpadc->irq_sw, gpadc);
- if (gpadc->irq_hw >= 0)
- free_irq(gpadc->irq_hw, gpadc);
-
- pm_runtime_get_sync(gpadc->dev);
- pm_runtime_disable(gpadc->dev);
-
- regulator_disable(gpadc->regu);
-
- pm_runtime_set_suspended(gpadc->dev);
-
- pm_runtime_put_noidle(gpadc->dev);
-
- return 0;
-}
-
-static const struct dev_pm_ops ab8500_gpadc_pm_ops = {
- SET_RUNTIME_PM_OPS(ab8500_gpadc_runtime_suspend,
- ab8500_gpadc_runtime_resume,
- NULL)
- SET_SYSTEM_SLEEP_PM_OPS(ab8500_gpadc_suspend,
- ab8500_gpadc_resume)
-
-};
-
-static struct platform_driver ab8500_gpadc_driver = {
- .probe = ab8500_gpadc_probe,
- .remove = ab8500_gpadc_remove,
- .driver = {
- .name = "ab8500-gpadc",
- .pm = &ab8500_gpadc_pm_ops,
- },
-};
-
-static int __init ab8500_gpadc_init(void)
-{
- return platform_driver_register(&ab8500_gpadc_driver);
-}
-subsys_initcall_sync(ab8500_gpadc_init);
-
-/**
- * ab8540_gpadc_get_otp() - returns OTP values
- *
- */
-void ab8540_gpadc_get_otp(struct ab8500_gpadc *gpadc,
- u16 *vmain_l, u16 *vmain_h, u16 *btemp_l, u16 *btemp_h,
- u16 *vbat_l, u16 *vbat_h, u16 *ibat_l, u16 *ibat_h)
-{
- *vmain_l = gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_lo;
- *vmain_h = gpadc->cal_data[ADC_INPUT_VMAIN].otp_calib_hi;
- *btemp_l = gpadc->cal_data[ADC_INPUT_BTEMP].otp_calib_lo;
- *btemp_h = gpadc->cal_data[ADC_INPUT_BTEMP].otp_calib_hi;
- *vbat_l = gpadc->cal_data[ADC_INPUT_VBAT].otp_calib_lo;
- *vbat_h = gpadc->cal_data[ADC_INPUT_VBAT].otp_calib_hi;
- *ibat_l = gpadc->cal_data[ADC_INPUT_IBAT].otp_calib_lo;
- *ibat_h = gpadc->cal_data[ADC_INPUT_IBAT].otp_calib_hi;
-}
projects / users / hch / dma-mapping.git / commitdiff