Move uw fan ctrl helper funcs

This commit is contained in:
Christoffer Sandberg 2021-09-18 00:03:49 +02:00
parent da31d09aad
commit f8bd16ca68
2 changed files with 47 additions and 47 deletions

View file

@ -302,51 +302,4 @@ static void uniwill_exit(void)
}
static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
{
u32 i;
u8 mode_data;
u16 addr_fan0 = 0x1804;
u16 addr_fan1 = 0x1809;
u16 addr_for_fan;
if (fan_index == 0)
addr_for_fan = addr_fan0;
else if (fan_index == 1)
addr_for_fan = addr_fan1;
else
return -EINVAL;
// Check current mode
uniwill_read_ec_ram(0x0751, &mode_data);
if (!(mode_data & 0x40)) {
// If not "full fan mode" (i.e. 0x40 bit set) switch to it (required for fancontrol)
uniwill_write_ec_ram(0x0751, mode_data | 0x40);
// Attempt to write both fans as quick as possible before complete ramp-up
pr_debug("prevent ramp-up start\n");
for (i = 0; i < 10; ++i) {
uniwill_write_ec_ram(addr_fan0, fan_speed & 0xff);
uniwill_write_ec_ram(addr_fan1, fan_speed & 0xff);
msleep(10);
}
pr_debug("prevent ramp-up done\n");
} else {
// Otherwise just set the chosen fan
uniwill_write_ec_ram(addr_for_fan, fan_speed & 0xff);
}
return 0;
}
static u32 uw_set_fan_auto(void)
{
u8 mode_data;
// Get current mode
uniwill_read_ec_ram(0x0751, &mode_data);
// Switch off "full fan mode" (i.e. unset 0x40 bit)
uniwill_write_ec_ram(0x0751, mode_data & 0xbf);
return 0;
}
#endif

View file

@ -152,6 +152,53 @@ static long clevo_ioctl_interface(struct file *file, unsigned int cmd, unsigned
return 0;
}
static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
{
u32 i;
u8 mode_data;
u16 addr_fan0 = 0x1804;
u16 addr_fan1 = 0x1809;
u16 addr_for_fan;
if (fan_index == 0)
addr_for_fan = addr_fan0;
else if (fan_index == 1)
addr_for_fan = addr_fan1;
else
return -EINVAL;
// Check current mode
uniwill_read_ec_ram(0x0751, &mode_data);
if (!(mode_data & 0x40)) {
// If not "full fan mode" (i.e. 0x40 bit set) switch to it (required for fancontrol)
uniwill_write_ec_ram(0x0751, mode_data | 0x40);
// Attempt to write both fans as quick as possible before complete ramp-up
pr_debug("prevent ramp-up start\n");
for (i = 0; i < 10; ++i) {
uniwill_write_ec_ram(addr_fan0, fan_speed & 0xff);
uniwill_write_ec_ram(addr_fan1, fan_speed & 0xff);
msleep(10);
}
pr_debug("prevent ramp-up done\n");
} else {
// Otherwise just set the chosen fan
uniwill_write_ec_ram(addr_for_fan, fan_speed & 0xff);
}
return 0;
}
static u32 uw_set_fan_auto(void)
{
u8 mode_data;
// Get current mode
uniwill_read_ec_ram(0x0751, &mode_data);
// Switch off "full fan mode" (i.e. unset 0x40 bit)
uniwill_write_ec_ram(0x0751, mode_data & 0xbf);
return 0;
}
static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigned long arg)
{
u32 result = 0;