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tuxedo_io: Add uw perf prof ioctl interface

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This commit is contained in:
Christoffer Sandberg 2021-11-08 23:02:49 +01:00
parent ad8d42454e
commit feca6dbcf4
2 changed files with 51 additions and 0 deletions
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47
src/tuxedo_io/tuxedo_io.c
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@ -358,6 +358,41 @@ static int uw_set_tdp(u8 tdp_index, u8 tdp_data)
return 0;
}
/**
* Set profile 1-3 to 0xa0, 0x00 or 0x10 depending on
* device support.
*/
static u32 uw_set_performance_profile_v1(u8 profile_index)
{
u8 current_value = 0x00, next_value;
u8 clear_bits = 0xa0 | 0x10;
u32 result;
result = uniwill_read_ec_ram(0x0751, &current_value);
if (result >= 0) {
next_value = current_value & ~clear_bits;
switch (profile_index) {
case 0x01:
next_value |= 0xa0;
break;
case 0x02:
next_value |= 0x00;
break;
case 0x03:
next_value |= 0x10;
break;
default:
result = -EINVAL;
break;
}
if (result != -EINVAL) {
result = uniwill_write_ec_ram(0x0751, next_value);
}
}
return result;
}
static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigned long arg)
{
u32 result = 0;
@ -452,6 +487,14 @@ static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigne
result = uw_get_tdp_max(2);
copy_result = copy_to_user((void *) arg, &result, sizeof(result));
break;
case R_UW_PROFS_AVAILABLE:
result = 0;
if (uniwill_profile_v1_two_profs)
result = 2;
else if (uniwill_profile_v1_three_profs)
result = 3;
copy_result = copy_to_user((void *) arg, &result, sizeof(result));
break;
#ifdef DEBUG
case R_TF_BC:
@ -508,6 +551,10 @@ static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigne
copy_result = copy_from_user(&argument, (int32_t *) arg, sizeof(argument));
uw_set_tdp(2, argument);
break;
case W_UW_PERF_PROF:
copy_result = copy_from_user(&argument, (int32_t *) arg, sizeof(argument));
uw_set_performance_profile_v1(argument);
break;
#ifdef DEBUG
case W_TF_BC:
reg_write_return.dword = 0;

4
src/tuxedo_io/tuxedo_io_ioctl.h
View file

@ -90,6 +90,8 @@
#define R_UW_TDP1_MAX _IOR(MAGIC_READ_UW, 0x1d, int32_t*)
#define R_UW_TDP2_MAX _IOR(MAGIC_READ_UW, 0x1e, int32_t*)
#define R_UW_PROFS_AVAILABLE _IOR(MAGIC_READ_UW, 0x1f, int32_t*)
// Write
#define W_UW_FANSPEED _IOW(MAGIC_WRITE_UW, 0x10, int32_t*)
#define W_UW_FANSPEED2 _IOW(MAGIC_WRITE_UW, 0x11, int32_t*)
@ -101,4 +103,6 @@
#define W_UW_TDP1 _IOW(MAGIC_WRITE_UW, 0x16, int32_t*)
#define W_UW_TDP2 _IOW(MAGIC_WRITE_UW, 0x17, int32_t*)
#define W_UW_PERF_PROF _IOW(MAGIC_WRITE_UW, 0x18, int32_t*)
#endif