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drm/radeon/cik: implement some more atom helpers for DPM 

Required for DPM on CIK.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-02-19 18:15:06 -05:00
parent 58ea2deab3
commit 62c35fd7d2
1 changed files with 115 additions and 0 deletions
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115
drivers/gpu/drm/radeon/radeon_atombios.c
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@ -3077,6 +3077,121 @@ int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev
return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
}
int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
u16 *leakage_id)
{
union set_voltage args;
int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
u8 frev, crev;
if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
return -EINVAL;
switch (crev) {
case 3:
case 4:
args.v3.ucVoltageType = 0;
args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
args.v3.usVoltageLevel = 0;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
*leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
break;
default:
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
return -EINVAL;
}
return 0;
}
int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
u16 *vddc, u16 *vddci,
u16 virtual_voltage_id,
u16 vbios_voltage_id)
{
int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
u8 frev, crev;
u16 data_offset, size;
int i, j;
ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
u16 *leakage_bin, *vddc_id_buf, *vddc_buf, *vddci_id_buf, *vddci_buf;
*vddc = 0;
*vddci = 0;
if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
&frev, &crev, &data_offset))
return -EINVAL;
profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
(rdev->mode_info.atom_context->bios + data_offset);
switch (frev) {
case 1:
return -EINVAL;
case 2:
switch (crev) {
case 1:
if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
return -EINVAL;
leakage_bin = (u16 *)
(rdev->mode_info.atom_context->bios + data_offset +
le16_to_cpu(profile->usLeakageBinArrayOffset));
vddc_id_buf = (u16 *)
(rdev->mode_info.atom_context->bios + data_offset +
le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
vddc_buf = (u16 *)
(rdev->mode_info.atom_context->bios + data_offset +
le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
vddci_id_buf = (u16 *)
(rdev->mode_info.atom_context->bios + data_offset +
le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
vddci_buf = (u16 *)
(rdev->mode_info.atom_context->bios + data_offset +
le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));
if (profile->ucElbVDDC_Num > 0) {
for (i = 0; i < profile->ucElbVDDC_Num; i++) {
if (vddc_id_buf[i] == virtual_voltage_id) {
for (j = 0; j < profile->ucLeakageBinNum; j++) {
if (vbios_voltage_id <= leakage_bin[j]) {
*vddc = vddc_buf[j * profile->ucElbVDDC_Num + i];
break;
}
}
break;
}
}
}
if (profile->ucElbVDDCI_Num > 0) {
for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
if (vddci_id_buf[i] == virtual_voltage_id) {
for (j = 0; j < profile->ucLeakageBinNum; j++) {
if (vbios_voltage_id <= leakage_bin[j]) {
*vddci = vddci_buf[j * profile->ucElbVDDCI_Num + i];
break;
}
}
break;
}
}
}
break;
default:
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
return -EINVAL;
}
break;
default:
DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
return -EINVAL;
}
return 0;
}
int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
u16 voltage_level, u8 voltage_type,
u32 *gpio_value, u32 *gpio_mask)