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/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "hwmgr.h"
#include "cz_clockpowergating.h"
#include "cz_ppsmc.h"
/* PhyID -> Status Mapping in DDI_PHY_GEN_STATUS
0 GFX0L (3:0), (27:24),
1 GFX0H (7:4), (31:28),
2 GFX1L (3:0), (19:16),
3 GFX1H (7:4), (23:20),
4 DDIL (3:0), (11: 8),
5 DDIH (7:4), (15:12),
6 DDI2L (3:0), ( 3: 0),
7 DDI2H (7:4), ( 7: 4),
*/
#define DDI_PHY_GEN_STATUS_VAL(phyID) (1 << ((3 - ((phyID & 0x07)/2))*8 + (phyID & 0x01)*4))
#define IS_PHY_ID_USED_BY_PLL(PhyID) (((0xF3 & (1 << PhyID)) & 0xFF) ? true : false)
int cz_phm_set_asic_block_gating(struct pp_hwmgr *hwmgr, enum PHM_AsicBlock block, enum PHM_ClockGateSetting gating)
{
int ret = 0;
switch (block) {
case PHM_AsicBlock_UVD_MVC:
case PHM_AsicBlock_UVD:
case PHM_AsicBlock_UVD_HD:
case PHM_AsicBlock_UVD_SD:
if (gating == PHM_ClockGateSetting_StaticOff)
ret = cz_dpm_powerdown_uvd(hwmgr);
else
ret = cz_dpm_powerup_uvd(hwmgr);
break;
case PHM_AsicBlock_GFX:
default:
break;
}
return ret;
}
bool cz_phm_is_safe_for_asic_block(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state, enum PHM_AsicBlock block)
{
return true;
}
int cz_phm_enable_disable_gfx_power_gating(struct pp_hwmgr *hwmgr, bool enable)
{
return 0;
}
int cz_phm_smu_power_up_down_pcie(struct pp_hwmgr *hwmgr, uint32_t target, bool up, uint32_t args)
{
/* TODO */
return 0;
}
int cz_phm_initialize_display_phy_access(struct pp_hwmgr *hwmgr, bool initialize, bool accesshw)
{
/* TODO */
return 0;
}
int cz_phm_get_display_phy_access_info(struct pp_hwmgr *hwmgr)
{
/* TODO */
return 0;
}
int cz_phm_gate_unused_display_phys(struct pp_hwmgr *hwmgr)
{
/* TODO */
return 0;
}
int cz_phm_ungate_all_display_phys(struct pp_hwmgr *hwmgr)
{
/* TODO */
return 0;
}
static int cz_tf_uvd_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
{
return 0;
}
static int cz_tf_vce_power_gating_initialize(struct pp_hwmgr *hwmgr, void *pInput, void *pOutput, void *pStorage, int Result)
{
return 0;
}
int cz_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
uint32_t dpm_features = 0;
if (enable &&
phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UVDDPM)) {
cz_hwmgr->dpm_flags |= DPMFlags_UVD_Enabled;
dpm_features |= UVD_DPM_MASK;
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
} else {
dpm_features |= UVD_DPM_MASK;
cz_hwmgr->dpm_flags &= ~DPMFlags_UVD_Enabled;
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
}
return 0;
}
int cz_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
uint32_t dpm_features = 0;
if (enable && phm_cap_enabled(
hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_VCEDPM)) {
cz_hwmgr->dpm_flags |= DPMFlags_VCE_Enabled;
dpm_features |= VCE_DPM_MASK;
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
} else {
dpm_features |= VCE_DPM_MASK;
cz_hwmgr->dpm_flags &= ~DPMFlags_VCE_Enabled;
smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
}
return 0;
}
int cz_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
{
struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
if (cz_hwmgr->uvd_power_gated == bgate)
return 0;
cz_hwmgr->uvd_power_gated = bgate;
if (bgate) {
cgs_set_clockgating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_UVD,
AMD_CG_STATE_UNGATE);
cgs_set_powergating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_GATE);
cz_dpm_update_uvd_dpm(hwmgr, true);
cz_dpm_powerdown_uvd(hwmgr);
} else {
cz_dpm_powerup_uvd(hwmgr);
cgs_set_powergating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_UVD,
AMD_CG_STATE_UNGATE);
cgs_set_clockgating_state(hwmgr->device,
AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_GATE);
cz_dpm_update_uvd_dpm(hwmgr, false);
}
return 0;
}
int cz_dpm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
{
struct cz_hwmgr *cz_hwmgr = (struct cz_hwmgr *)(hwmgr->backend);
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_VCEPowerGating)) {
if (cz_hwmgr->vce_power_gated != bgate) {
if (bgate) {
cgs_set_clockgating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_GATE);
cgs_set_powergating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_PG_STATE_GATE);
cz_enable_disable_vce_dpm(hwmgr, false);
cz_dpm_powerdown_vce(hwmgr);
cz_hwmgr->vce_power_gated = true;
} else {
cz_dpm_powerup_vce(hwmgr);
cz_hwmgr->vce_power_gated = false;
cgs_set_powergating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_UNGATE);
cgs_set_clockgating_state(
hwmgr->device,
AMD_IP_BLOCK_TYPE_VCE,
AMD_PG_STATE_UNGATE);
cz_dpm_update_vce_dpm(hwmgr);
cz_enable_disable_vce_dpm(hwmgr, true);
return 0;
}
}
} else {
cz_hwmgr->vce_power_gated = bgate;
cz_dpm_update_vce_dpm(hwmgr);
cz_enable_disable_vce_dpm(hwmgr, !bgate);
return 0;
}
if (!cz_hwmgr->vce_power_gated)
cz_dpm_update_vce_dpm(hwmgr);
return 0;
}
static const struct phm_master_table_item cz_enable_clock_power_gatings_list[] = {
/*we don't need an exit table here, because there is only D3 cold on Kv*/
{ phm_cf_want_uvd_power_gating, cz_tf_uvd_power_gating_initialize },
{ phm_cf_want_vce_power_gating, cz_tf_vce_power_gating_initialize },
/* to do { NULL, cz_tf_xdma_power_gating_enable }, */
{ NULL, NULL }
};
const struct phm_master_table_header cz_phm_enable_clock_power_gatings_master = {
0,
PHM_MasterTableFlag_None,
cz_enable_clock_power_gatings_list
};
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