diff options
Diffstat (limited to 'drivers/hwmon/oxp-sensors.c')
| -rw-r--r-- | drivers/hwmon/oxp-sensors.c | 134 |
1 files changed, 133 insertions, 1 deletions
diff --git a/drivers/hwmon/oxp-sensors.c b/drivers/hwmon/oxp-sensors.c index 0ec7588610ad..be36d38f13d9 100644 --- a/drivers/hwmon/oxp-sensors.c +++ b/drivers/hwmon/oxp-sensors.c @@ -47,15 +47,29 @@ enum oxp_board { aya_neo_air_pro, aya_neo_geek, oxp_mini_amd, + oxp_mini_amd_a07, oxp_mini_amd_pro, }; static enum oxp_board board; +/* Fan reading and PWM */ #define OXP_SENSOR_FAN_REG 0x76 /* Fan reading is 2 registers long */ #define OXP_SENSOR_PWM_ENABLE_REG 0x4A /* PWM enable is 1 register long */ #define OXP_SENSOR_PWM_REG 0x4B /* PWM reading is 1 register long */ +/* Turbo button takeover function + * Older boards have different values and EC registers + * for the same function + */ +#define OXP_OLD_TURBO_SWITCH_REG 0x1E +#define OXP_OLD_TURBO_TAKE_VAL 0x01 +#define OXP_OLD_TURBO_RETURN_VAL 0x00 + +#define OXP_TURBO_SWITCH_REG 0xF1 +#define OXP_TURBO_TAKE_VAL 0x40 +#define OXP_TURBO_RETURN_VAL 0x00 + static const struct dmi_system_id dmi_table[] = { { .matches = { @@ -104,7 +118,7 @@ static const struct dmi_system_id dmi_table[] = { DMI_MATCH(DMI_BOARD_VENDOR, "ONE-NETBOOK"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONEXPLAYER mini A07"), }, - .driver_data = (void *)oxp_mini_amd, + .driver_data = (void *)oxp_mini_amd_a07, }, { .matches = { @@ -156,6 +170,102 @@ static int write_to_ec(u8 reg, u8 value) return ret; } +/* Turbo button toggle functions */ +static int tt_toggle_enable(void) +{ + u8 reg; + u8 val; + + switch (board) { + case oxp_mini_amd_a07: + reg = OXP_OLD_TURBO_SWITCH_REG; + val = OXP_OLD_TURBO_TAKE_VAL; + break; + case oxp_mini_amd_pro: + case aok_zoe_a1: + reg = OXP_TURBO_SWITCH_REG; + val = OXP_TURBO_TAKE_VAL; + break; + default: + return -EINVAL; + } + return write_to_ec(reg, val); +} + +static int tt_toggle_disable(void) +{ + u8 reg; + u8 val; + + switch (board) { + case oxp_mini_amd_a07: + reg = OXP_OLD_TURBO_SWITCH_REG; + val = OXP_OLD_TURBO_RETURN_VAL; + break; + case oxp_mini_amd_pro: + case aok_zoe_a1: + reg = OXP_TURBO_SWITCH_REG; + val = OXP_TURBO_RETURN_VAL; + break; + default: + return -EINVAL; + } + return write_to_ec(reg, val); +} + +/* Callbacks for turbo toggle attribute */ +static ssize_t tt_toggle_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) +{ + int rval; + bool value; + + rval = kstrtobool(buf, &value); + if (rval) + return rval; + + if (value) { + rval = tt_toggle_enable(); + if (rval) + return rval; + } else { + rval = tt_toggle_disable(); + if (rval) + return rval; + } + return count; +} + +static ssize_t tt_toggle_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int retval; + u8 reg; + long val; + + switch (board) { + case oxp_mini_amd_a07: + reg = OXP_OLD_TURBO_SWITCH_REG; + break; + case oxp_mini_amd_pro: + case aok_zoe_a1: + reg = OXP_TURBO_SWITCH_REG; + break; + default: + return -EINVAL; + } + + retval = read_from_ec(reg, 1, &val); + if (retval) + return retval; + + return sysfs_emit(buf, "%d\n", !!val); +} + +static DEVICE_ATTR_RW(tt_toggle); + +/* PWM enable/disable functions */ static int oxp_pwm_enable(void) { return write_to_ec(OXP_SENSOR_PWM_ENABLE_REG, 0x01); @@ -206,6 +316,7 @@ static int oxp_platform_read(struct device *dev, enum hwmon_sensor_types type, case aya_neo_air_pro: case aya_neo_geek: case oxp_mini_amd: + case oxp_mini_amd_a07: *val = (*val * 255) / 100; break; case oxp_mini_amd_pro: @@ -247,6 +358,7 @@ static int oxp_platform_write(struct device *dev, enum hwmon_sensor_types type, case aya_neo_air_pro: case aya_neo_geek: case oxp_mini_amd: + case oxp_mini_amd_a07: val = (val * 100) / 255; break; case aok_zoe_a1: @@ -274,6 +386,13 @@ static const struct hwmon_channel_info * const oxp_platform_sensors[] = { NULL, }; +static struct attribute *oxp_ec_attrs[] = { + &dev_attr_tt_toggle.attr, + NULL +}; + +ATTRIBUTE_GROUPS(oxp_ec); + static const struct hwmon_ops oxp_ec_hwmon_ops = { .is_visible = oxp_ec_hwmon_is_visible, .read = oxp_platform_read, @@ -291,6 +410,7 @@ static int oxp_platform_probe(struct platform_device *pdev) const struct dmi_system_id *dmi_entry; struct device *dev = &pdev->dev; struct device *hwdev; + int ret; /* * Have to check for AMD processor here because DMI strings are the @@ -305,6 +425,18 @@ static int oxp_platform_probe(struct platform_device *pdev) board = (enum oxp_board)(unsigned long)dmi_entry->driver_data; + switch (board) { + case aok_zoe_a1: + case oxp_mini_amd_a07: + case oxp_mini_amd_pro: + ret = devm_device_add_groups(dev, oxp_ec_groups); + if (ret) + return ret; + break; + default: + break; + } + hwdev = devm_hwmon_device_register_with_info(dev, "oxpec", NULL, &oxp_ec_chip_info, NULL); |