diff options
Diffstat (limited to 'drivers/hwmon/oxp-sensors.c')
| -rw-r--r-- | drivers/hwmon/oxp-sensors.c | 204 |
1 files changed, 189 insertions, 15 deletions
diff --git a/drivers/hwmon/oxp-sensors.c b/drivers/hwmon/oxp-sensors.c index ae67207030e8..1e1cc67bcdea 100644 --- a/drivers/hwmon/oxp-sensors.c +++ b/drivers/hwmon/oxp-sensors.c @@ -16,7 +16,6 @@ */ #include <linux/acpi.h> -#include <linux/dev_printk.h> #include <linux/dmi.h> #include <linux/hwmon.h> #include <linux/init.h> @@ -42,53 +41,97 @@ static bool unlock_global_acpi_lock(void) enum oxp_board { aok_zoe_a1 = 1, + aya_neo_2, aya_neo_air, 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 = { DMI_MATCH(DMI_BOARD_VENDOR, "AOKZOE"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "AOKZOE A1 AR07"), }, - .driver_data = (void *) &(enum oxp_board) {aok_zoe_a1}, + .driver_data = (void *)aok_zoe_a1, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AOKZOE"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "AOKZOE A1 Pro"), + }, + .driver_data = (void *)aok_zoe_a1, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "AYANEO 2"), + }, + .driver_data = (void *)aya_neo_2, }, { .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "AIR"), }, - .driver_data = (void *) &(enum oxp_board) {aya_neo_air}, + .driver_data = (void *)aya_neo_air, }, { .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "AIR Pro"), }, - .driver_data = (void *) &(enum oxp_board) {aya_neo_air_pro}, + .driver_data = (void *)aya_neo_air_pro, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "GEEK"), + }, + .driver_data = (void *)aya_neo_geek, }, { .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "ONE-NETBOOK"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONE XPLAYER"), }, - .driver_data = (void *) &(enum oxp_board) {oxp_mini_amd}, + .driver_data = (void *)oxp_mini_amd, + }, + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ONE-NETBOOK"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONEXPLAYER mini A07"), + }, + .driver_data = (void *)oxp_mini_amd_a07, }, { .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "ONE-NETBOOK"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "ONEXPLAYER Mini Pro"), }, - .driver_data = (void *) &(enum oxp_board) {oxp_mini_amd_pro}, + .driver_data = (void *)oxp_mini_amd_pro, }, {}, }; @@ -118,7 +161,7 @@ static int read_from_ec(u8 reg, int size, long *val) return 0; } -static int write_to_ec(const struct device *dev, u8 reg, u8 value) +static int write_to_ec(u8 reg, u8 value) { int ret; @@ -133,14 +176,123 @@ static int write_to_ec(const struct device *dev, u8 reg, u8 value) return ret; } -static int oxp_pwm_enable(const struct device *dev) +/* 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 umode_t tt_toggle_is_visible(struct kobject *kobj, + struct attribute *attr, int n) { - return write_to_ec(dev, OXP_SENSOR_PWM_ENABLE_REG, 0x01); + switch (board) { + case aok_zoe_a1: + case oxp_mini_amd_a07: + case oxp_mini_amd_pro: + return attr->mode; + default: + break; + } + return 0; } -static int oxp_pwm_disable(const struct device *dev) +static ssize_t tt_toggle_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { - return write_to_ec(dev, OXP_SENSOR_PWM_ENABLE_REG, 0x00); + int rval; + bool value; + + rval = kstrtobool(buf, &value); + if (rval) + return rval; + + if (value) { + rval = tt_toggle_enable(); + } 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); +} + +static int oxp_pwm_disable(void) +{ + return write_to_ec(OXP_SENSOR_PWM_ENABLE_REG, 0x00); } /* Callbacks for hwmon interface */ @@ -178,9 +330,12 @@ static int oxp_platform_read(struct device *dev, enum hwmon_sensor_types type, if (ret) return ret; switch (board) { + case aya_neo_2: case aya_neo_air: 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: @@ -209,17 +364,20 @@ static int oxp_platform_write(struct device *dev, enum hwmon_sensor_types type, switch (attr) { case hwmon_pwm_enable: if (val == 1) - return oxp_pwm_enable(dev); + return oxp_pwm_enable(); else if (val == 0) - return oxp_pwm_disable(dev); + return oxp_pwm_disable(); return -EINVAL; case hwmon_pwm_input: if (val < 0 || val > 255) return -EINVAL; switch (board) { + case aya_neo_2: case aya_neo_air: 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: @@ -227,7 +385,7 @@ static int oxp_platform_write(struct device *dev, enum hwmon_sensor_types type, default: break; } - return write_to_ec(dev, OXP_SENSOR_PWM_REG, val); + return write_to_ec(OXP_SENSOR_PWM_REG, val); default: break; } @@ -247,6 +405,21 @@ static const struct hwmon_channel_info * const oxp_platform_sensors[] = { NULL, }; +static struct attribute *oxp_ec_attrs[] = { + &dev_attr_tt_toggle.attr, + NULL +}; + +static struct attribute_group oxp_ec_attribute_group = { + .is_visible = tt_toggle_is_visible, + .attrs = oxp_ec_attrs, +}; + +static const struct attribute_group *oxp_ec_groups[] = { + &oxp_ec_attribute_group, + NULL +}; + static const struct hwmon_ops oxp_ec_hwmon_ops = { .is_visible = oxp_ec_hwmon_is_visible, .read = oxp_platform_read, @@ -276,7 +449,7 @@ static int oxp_platform_probe(struct platform_device *pdev) if (!dmi_entry || boot_cpu_data.x86_vendor != X86_VENDOR_AMD) return -ENODEV; - board = *((enum oxp_board *) dmi_entry->driver_data); + board = (enum oxp_board)(unsigned long)dmi_entry->driver_data; hwdev = devm_hwmon_device_register_with_info(dev, "oxpec", NULL, &oxp_ec_chip_info, NULL); @@ -287,6 +460,7 @@ static int oxp_platform_probe(struct platform_device *pdev) static struct platform_driver oxp_platform_driver = { .driver = { .name = "oxp-platform", + .dev_groups = oxp_ec_groups, }, .probe = oxp_platform_probe, }; |