--- /dev/null
+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui <ray.huang@amd.com>
+ *
+ */
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/fb.h>
+#include "linux/delay.h"
+#include "pp_acpi.h"
+#include "hwmgr.h"
+#include <atombios.h>
+#include "iceland_hwmgr.h"
+#include "pptable.h"
+#include "processpptables.h"
+#include "pp_debug.h"
+#include "ppsmc.h"
+#include "cgs_common.h"
+#include "pppcielanes.h"
+#include "iceland_dyn_defaults.h"
+#include "smumgr.h"
+#include "iceland_smumgr.h"
+#include "iceland_clockpowergating.h"
+#include "iceland_thermal.h"
+#include "iceland_powertune.h"
+
+#include "gmc/gmc_8_1_d.h"
+#include "gmc/gmc_8_1_sh_mask.h"
+
+#include "bif/bif_5_0_d.h"
+#include "bif/bif_5_0_sh_mask.h"
+
+#include "smu/smu_7_1_1_d.h"
+#include "smu/smu_7_1_1_sh_mask.h"
+
+#include "cgs_linux.h"
+#include "eventmgr.h"
+#include "amd_pcie_helpers.h"
+
+#define MC_CG_ARB_FREQ_F0 0x0a
+#define MC_CG_ARB_FREQ_F1 0x0b
+#define MC_CG_ARB_FREQ_F2 0x0c
+#define MC_CG_ARB_FREQ_F3 0x0d
+
+#define MC_CG_SEQ_DRAMCONF_S0 0x05
+#define MC_CG_SEQ_DRAMCONF_S1 0x06
+#define MC_CG_SEQ_YCLK_SUSPEND 0x04
+#define MC_CG_SEQ_YCLK_RESUME 0x0a
+
+#define PCIE_BUS_CLK 10000
+#define TCLK (PCIE_BUS_CLK / 10)
+
+#define SMC_RAM_END 0x40000
+#define SMC_CG_IND_START 0xc0030000
+#define SMC_CG_IND_END 0xc0040000 /* First byte after SMC_CG_IND*/
+
+#define VOLTAGE_SCALE 4
+#define VOLTAGE_VID_OFFSET_SCALE1 625
+#define VOLTAGE_VID_OFFSET_SCALE2 100
+
+const uint32_t iceland_magic = (uint32_t)(PHM_VIslands_Magic);
+
+#define MC_SEQ_MISC0_GDDR5_SHIFT 28
+#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000
+#define MC_SEQ_MISC0_GDDR5_VALUE 5
+
+/** Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */
+enum DPM_EVENT_SRC {
+ DPM_EVENT_SRC_ANALOG = 0, /* Internal analog trip point */
+ DPM_EVENT_SRC_EXTERNAL = 1, /* External (GPIO 17) signal */
+ DPM_EVENT_SRC_DIGITAL = 2, /* Internal digital trip point (DIG_THERM_DPM) */
+ DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3, /* Internal analog or external */
+ DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */
+};
+
+static int iceland_read_clock_registers(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ data->clock_registers.vCG_SPLL_FUNC_CNTL =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_2 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_3 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_3);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_4 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4);
+ data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM);
+ data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM_2);
+ data->clock_registers.vDLL_CNTL =
+ cgs_read_register(hwmgr->device, mmDLL_CNTL);
+ data->clock_registers.vMCLK_PWRMGT_CNTL =
+ cgs_read_register(hwmgr->device, mmMCLK_PWRMGT_CNTL);
+ data->clock_registers.vMPLL_AD_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_AD_FUNC_CNTL);
+ data->clock_registers.vMPLL_DQ_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_DQ_FUNC_CNTL);
+ data->clock_registers.vMPLL_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL);
+ data->clock_registers.vMPLL_FUNC_CNTL_1 =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_1);
+ data->clock_registers.vMPLL_FUNC_CNTL_2 =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_2);
+ data->clock_registers.vMPLL_SS1 =
+ cgs_read_register(hwmgr->device, mmMPLL_SS1);
+ data->clock_registers.vMPLL_SS2 =
+ cgs_read_register(hwmgr->device, mmMPLL_SS2);
+
+ return 0;
+}
+
+/**
+ * Find out if memory is GDDR5.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_get_memory_type(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint32_t temp;
+
+ temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0);
+
+ data->is_memory_GDDR5 = (MC_SEQ_MISC0_GDDR5_VALUE ==
+ ((temp & MC_SEQ_MISC0_GDDR5_MASK) >>
+ MC_SEQ_MISC0_GDDR5_SHIFT));
+
+ return 0;
+}
+
+int iceland_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
+{
+ /* iceland does not have MM hardware blocks */
+ return 0;
+}
+
+/**
+ * Enables Dynamic Power Management by SMC
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_enable_acpi_power_management(struct pp_hwmgr *hwmgr)
+{
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, STATIC_PM_EN, 1);
+
+ return 0;
+}
+
+/**
+ * Find the MC microcode version and store it in the HwMgr struct
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_get_mc_microcode_version(struct pp_hwmgr *hwmgr)
+{
+ cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);
+
+ hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA);
+
+ return 0;
+}
+
+static int iceland_init_sclk_threshold(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ data->low_sclk_interrupt_threshold = 0;
+
+ return 0;
+}
+
+
+static int iceland_setup_asic_task(struct pp_hwmgr *hwmgr)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = iceland_read_clock_registers(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to read clock registers!", result = tmp_result);
+
+ tmp_result = iceland_get_memory_type(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to get memory type!", result = tmp_result);
+
+ tmp_result = iceland_enable_acpi_power_management(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable ACPI power management!", result = tmp_result);
+
+ tmp_result = iceland_get_mc_microcode_version(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to get MC microcode version!", result = tmp_result);
+
+ tmp_result = iceland_init_sclk_threshold(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to init sclk threshold!", result = tmp_result);
+
+ return result;
+}
+
+static bool cf_iceland_voltage_control(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ return ICELAND_VOLTAGE_CONTROL_NONE != data->voltage_control;
+}
+
+/*
+ * -------------- Voltage Tables ----------------------
+ * If the voltage table would be bigger than what will fit into the
+ * state table on the SMC keep only the higher entries.
+ */
+
+static void iceland_trim_voltage_table_to_fit_state_table(
+ struct pp_hwmgr *hwmgr,
+ uint32_t max_voltage_steps,
+ pp_atomctrl_voltage_table *voltage_table)
+{
+ unsigned int i, diff;
+
+ if (voltage_table->count <= max_voltage_steps) {
+ return;
+ }
+
+ diff = voltage_table->count - max_voltage_steps;
+
+ for (i = 0; i < max_voltage_steps; i++) {
+ voltage_table->entries[i] = voltage_table->entries[i + diff];
+ }
+
+ voltage_table->count = max_voltage_steps;
+
+ return;
+}
+
+/**
+ * Enable voltage control
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_enable_voltage_control(struct pp_hwmgr *hwmgr)
+{
+ /* enable voltage control */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1);
+
+ return 0;
+}
+
+static int iceland_get_svi2_voltage_table(struct pp_hwmgr *hwmgr,
+ struct phm_clock_voltage_dependency_table *voltage_dependency_table,
+ pp_atomctrl_voltage_table *voltage_table)
+{
+ uint32_t i;
+
+ PP_ASSERT_WITH_CODE((NULL != voltage_table),
+ "Voltage Dependency Table empty.", return -EINVAL;);
+
+ voltage_table->mask_low = 0;
+ voltage_table->phase_delay = 0;
+ voltage_table->count = voltage_dependency_table->count;
+
+ for (i = 0; i < voltage_dependency_table->count; i++) {
+ voltage_table->entries[i].value =
+ voltage_dependency_table->entries[i].v;
+ voltage_table->entries[i].smio_low = 0;
+ }
+
+ return 0;
+}
+
+/**
+ * Create Voltage Tables.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_construct_voltage_tables(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ int result;
+
+ /* GPIO voltage */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control) {
+ result = atomctrl_get_voltage_table_v3(hwmgr,
+ VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_GPIO_LUT,
+ &data->vddc_voltage_table);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve VDDC table.", return result;);
+ } else if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+ /* SVI2 VDDC voltage */
+ result = iceland_get_svi2_voltage_table(hwmgr,
+ hwmgr->dyn_state.vddc_dependency_on_mclk,
+ &data->vddc_voltage_table);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 VDDC table from dependancy table.", return result;);
+ }
+
+ PP_ASSERT_WITH_CODE(
+ (data->vddc_voltage_table.count <= (SMU71_MAX_LEVELS_VDDC)),
+ "Too many voltage values for VDDC. Trimming to fit state table.",
+ iceland_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU71_MAX_LEVELS_VDDC, &(data->vddc_voltage_table));
+ );
+
+ /* GPIO */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) {
+ result = atomctrl_get_voltage_table_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT, &(data->vddci_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve VDDCI table.", return result;);
+ }
+
+ /* SVI2 VDDCI voltage */
+ if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) {
+ result = iceland_get_svi2_voltage_table(hwmgr,
+ hwmgr->dyn_state.vddci_dependency_on_mclk,
+ &data->vddci_voltage_table);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 VDDCI table from dependancy table.", return result;);
+ }
+
+ PP_ASSERT_WITH_CODE(
+ (data->vddci_voltage_table.count <= (SMU71_MAX_LEVELS_VDDCI)),
+ "Too many voltage values for VDDCI. Trimming to fit state table.",
+ iceland_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU71_MAX_LEVELS_VDDCI, &(data->vddci_voltage_table));
+ );
+
+
+ /* GPIO */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
+ result = atomctrl_get_voltage_table_v3(hwmgr,
+ VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT, &(data->mvdd_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve table.", return result;);
+ }
+
+ /* SVI2 voltage control */
+ if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
+ result = iceland_get_svi2_voltage_table(hwmgr,
+ hwmgr->dyn_state.mvdd_dependency_on_mclk,
+ &data->mvdd_voltage_table);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 MVDD table from dependancy table.", return result;);
+ }
+
+ PP_ASSERT_WITH_CODE(
+ (data->mvdd_voltage_table.count <= (SMU71_MAX_LEVELS_MVDD)),
+ "Too many voltage values for MVDD. Trimming to fit state table.",
+ iceland_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU71_MAX_LEVELS_MVDD, &(data->mvdd_voltage_table));
+ );
+
+ return 0;
+}
+
+/*---------------------------MC----------------------------*/
+
+uint8_t iceland_get_memory_module_index(struct pp_hwmgr *hwmgr)
+{
+ return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16));
+}
+
+bool iceland_check_s0_mc_reg_index(uint16_t inReg, uint16_t *outReg)
+{
+ bool result = true;
+
+ switch (inReg) {
+ case mmMC_SEQ_RAS_TIMING:
+ *outReg = mmMC_SEQ_RAS_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_DLL_STBY:
+ *outReg = mmMC_SEQ_DLL_STBY_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CMD0:
+ *outReg = mmMC_SEQ_G5PDX_CMD0_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CMD1:
+ *outReg = mmMC_SEQ_G5PDX_CMD1_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CTRL:
+ *outReg = mmMC_SEQ_G5PDX_CTRL_LP;
+ break;
+
+ case mmMC_SEQ_CAS_TIMING:
+ *outReg = mmMC_SEQ_CAS_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_MISC_TIMING:
+ *outReg = mmMC_SEQ_MISC_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_MISC_TIMING2:
+ *outReg = mmMC_SEQ_MISC_TIMING2_LP;
+ break;
+
+ case mmMC_SEQ_PMG_DVS_CMD:
+ *outReg = mmMC_SEQ_PMG_DVS_CMD_LP;
+ break;
+
+ case mmMC_SEQ_PMG_DVS_CTL:
+ *outReg = mmMC_SEQ_PMG_DVS_CTL_LP;
+ break;
+
+ case mmMC_SEQ_RD_CTL_D0:
+ *outReg = mmMC_SEQ_RD_CTL_D0_LP;
+ break;
+
+ case mmMC_SEQ_RD_CTL_D1:
+ *outReg = mmMC_SEQ_RD_CTL_D1_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_D0:
+ *outReg = mmMC_SEQ_WR_CTL_D0_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_D1:
+ *outReg = mmMC_SEQ_WR_CTL_D1_LP;
+ break;
+
+ case mmMC_PMG_CMD_EMRS:
+ *outReg = mmMC_SEQ_PMG_CMD_EMRS_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS1:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS1_LP;
+ break;
+
+ case mmMC_SEQ_PMG_TIMING:
+ *outReg = mmMC_SEQ_PMG_TIMING_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS2:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS2_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_2:
+ *outReg = mmMC_SEQ_WR_CTL_2_LP;
+ break;
+
+ default:
+ result = false;
+ break;
+ }
+
+ return result;
+}
+
+int iceland_set_s0_mc_reg_index(phw_iceland_mc_reg_table *table)
+{
+ uint32_t i;
+ uint16_t address;
+
+ for (i = 0; i < table->last; i++) {
+ table->mc_reg_address[i].s0 =
+ iceland_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address)
+ ? address : table->mc_reg_address[i].s1;
+ }
+ return 0;
+}
+
+int iceland_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table, phw_iceland_mc_reg_table *ni_table)
+{
+ uint8_t i, j;
+
+ PP_ASSERT_WITH_CODE((table->last <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES),
+ "Invalid VramInfo table.", return -1);
+
+ for (i = 0; i < table->last; i++) {
+ ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
+ }
+ ni_table->last = table->last;
+
+ for (i = 0; i < table->num_entries; i++) {
+ ni_table->mc_reg_table_entry[i].mclk_max =
+ table->mc_reg_table_entry[i].mclk_max;
+ for (j = 0; j < table->last; j++) {
+ ni_table->mc_reg_table_entry[i].mc_data[j] =
+ table->mc_reg_table_entry[i].mc_data[j];
+ }
+ }
+
+ ni_table->num_entries = table->num_entries;
+
+ return 0;
+}
+
+/**
+ * VBIOS omits some information to reduce size, we need to recover them here.
+ * 1. when we see mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0].
+ * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0]
+ * 2. when we see mmMC_SEQ_RESERVE_M, bit[15:0] EMRS2, need to be write to mmMC_PMG_CMD_MRS1/_LP[15:0].
+ * 3. need to set these data for each clock range
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param table the address of MCRegTable
+ * @return always 0
+ */
+static int iceland_set_mc_special_registers(struct pp_hwmgr *hwmgr, phw_iceland_mc_reg_table *table)
+{
+ uint8_t i, j, k;
+ uint32_t temp_reg;
+ const iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ for (i = 0, j = table->last; i < table->last; i++) {
+ PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ switch (table->mc_reg_address[i].s1) {
+ /*
+ * mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write
+ * to mmMC_PMG_CMD_EMRS/_LP[15:0]. Bit[15:0] MRS, need
+ * to be update mmMC_PMG_CMD_MRS/_LP[15:0]
+ */
+ case mmMC_SEQ_MISC1:
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ ((temp_reg & 0xffff0000)) |
+ ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (temp_reg & 0xffff0000) |
+ (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
+
+ if (!data->is_memory_GDDR5) {
+ table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
+ }
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+
+ if (!data->is_memory_GDDR5) {
+ table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
+ table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ }
+
+ break;
+
+ case mmMC_SEQ_RESERVE_M:
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (temp_reg & 0xffff0000) |
+ (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+ table->last = j;
+
+ return 0;
+}
+
+
+static int iceland_set_valid_flag(phw_iceland_mc_reg_table *table)
+{
+ uint8_t i, j;
+ for (i = 0; i < table->last; i++) {
+ for (j = 1; j < table->num_entries; j++) {
+ if (table->mc_reg_table_entry[j-1].mc_data[i] !=
+ table->mc_reg_table_entry[j].mc_data[i]) {
+ table->validflag |= (1<<i);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int iceland_initialize_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_mc_reg_table *table;
+ phw_iceland_mc_reg_table *ni_table = &data->iceland_mc_reg_table;
+ uint8_t module_index = iceland_get_memory_module_index(hwmgr);
+
+ table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL);
+
+ if (NULL == table)
+ return -ENOMEM;
+
+ /* Program additional LP registers that are no longer programmed by VBIOS */
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2));
+
+ memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table));
+
+ result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table);
+
+ if (0 == result)
+ result = iceland_copy_vbios_smc_reg_table(table, ni_table);
+
+ if (0 == result) {
+ iceland_set_s0_mc_reg_index(ni_table);
+ result = iceland_set_mc_special_registers(hwmgr, ni_table);
+ }
+
+ if (0 == result)
+ iceland_set_valid_flag(ni_table);
+
+ kfree(table);
+ return result;
+}
+
+/**
+ * Programs static screed detection parameters
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_program_static_screen_threshold_parameters(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* Set static screen threshold unit*/
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT,
+ data->static_screen_threshold_unit);
+ /* Set static screen threshold*/
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD,
+ data->static_screen_threshold);
+
+ return 0;
+}
+
+/**
+ * Setup display gap for glitch free memory clock switching.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_enable_display_gap(struct pp_hwmgr *hwmgr)
+{
+ uint32_t display_gap = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL);
+
+ display_gap = PHM_SET_FIELD(display_gap,
+ CG_DISPLAY_GAP_CNTL, DISP_GAP, DISPLAY_GAP_IGNORE);
+
+ display_gap = PHM_SET_FIELD(display_gap,
+ CG_DISPLAY_GAP_CNTL, DISP_GAP_MCHG, DISPLAY_GAP_VBLANK);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_DISPLAY_GAP_CNTL, display_gap);
+
+ return 0;
+}
+
+/**
+ * Programs activity state transition voting clients
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_program_voting_clients(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* Clear reset for voting clients before enabling DPM */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0);
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7);
+
+ return 0;
+}
+
+static int iceland_upload_firmware(struct pp_hwmgr *hwmgr)
+{
+ int ret = 0;
+
+ if (!iceland_is_smc_ram_running(hwmgr->smumgr))
+ ret = iceland_smu_upload_firmware_image(hwmgr->smumgr);
+
+ return ret;
+}
+
+/**
+ * Get the location of various tables inside the FW image.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int iceland_process_firmware_header(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ uint32_t tmp;
+ int result;
+ bool error = 0;
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, DpmTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->dpm_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, SoftRegisters),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->soft_regs_start = tmp;
+ }
+
+ error |= (0 != result);
+
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, mcRegisterTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->mc_reg_table_start = tmp;
+ }
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, FanTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->fan_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, mcArbDramTimingTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->arb_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, Version),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ hwmgr->microcode_version_info.SMC = tmp;
+ }
+
+ error |= (0 != result);
+
+ result = iceland_read_smc_sram_dword(hwmgr->smumgr,
+ SMU71_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU71_Firmware_Header, UlvSettings),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->ulv_settings_start = tmp;
+ }
+
+ error |= (0 != result);
+
+ return error ? 1 : 0;
+}
+
+/*
+* Copy one arb setting to another and then switch the active set.
+* arbFreqSrc and arbFreqDest is one of the MC_CG_ARB_FREQ_Fx constants.
+*/
+int iceland_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr,
+ uint32_t arbFreqSrc, uint32_t arbFreqDest)
+{
+ uint32_t mc_arb_dram_timing;
+ uint32_t mc_arb_dram_timing2;
+ uint32_t burst_time;
+ uint32_t mc_cg_config;
+
+ switch (arbFreqSrc) {
+ case MC_CG_ARB_FREQ_F0:
+ mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
+ mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
+ burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
+ break;
+
+ case MC_CG_ARB_FREQ_F1:
+ mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1);
+ mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1);
+ burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1);
+ break;
+
+ default:
+ return -1;
+ }
+
+ switch (arbFreqDest) {
+ case MC_CG_ARB_FREQ_F0:
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing);
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time);
+ break;
+
+ case MC_CG_ARB_FREQ_F1:
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time);
+ break;
+
+ default:
+ return -1;
+ }
+
+ mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG);
+ mc_cg_config |= 0x0000000F;
+ cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arbFreqDest);
+
+ return 0;
+}
+
+/**
+ * Initial switch from ARB F0->F1
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ * This function is to be called from the SetPowerState table.
+ */
+int iceland_initial_switch_from_arb_f0_to_f1(struct pp_hwmgr *hwmgr)
+{
+ return iceland_copy_and_switch_arb_sets(hwmgr, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
+}
+
+/* ---------------------------------------- ULV related functions ----------------------------------------------------*/
+
+
+static int iceland_reset_single_dpm_table(
+ struct pp_hwmgr *hwmgr,
+ struct iceland_single_dpm_table *dpm_table,
+ uint32_t count)
+{
+ uint32_t i;
+ if (!(count <= MAX_REGULAR_DPM_NUMBER))
+ printk(KERN_ERR "[ powerplay ] Fatal error, can not set up single DPM \
+ table entries to exceed max number! \n");
+
+ dpm_table->count = count;
+ for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) {
+ dpm_table->dpm_levels[i].enabled = 0;
+ }
+
+ return 0;
+}
+
+static void iceland_setup_pcie_table_entry(
+ struct iceland_single_dpm_table *dpm_table,
+ uint32_t index, uint32_t pcie_gen,
+ uint32_t pcie_lanes)
+{
+ dpm_table->dpm_levels[index].value = pcie_gen;
+ dpm_table->dpm_levels[index].param1 = pcie_lanes;
+ dpm_table->dpm_levels[index].enabled = 1;
+}
+
+/*
+ * Set up the PCIe DPM table as follows:
+ *
+ * A = Performance State, Max, Gen Speed
+ * C = Performance State, Min, Gen Speed
+ * 1 = Performance State, Max, Lane #
+ * 3 = Performance State, Min, Lane #
+ *
+ * B = Power Saving State, Max, Gen Speed
+ * D = Power Saving State, Min, Gen Speed
+ * 2 = Power Saving State, Max, Lane #
+ * 4 = Power Saving State, Min, Lane #
+ *
+ *
+ * DPM Index Gen Speed Lane #
+ * 5 A 1
+ * 4 B 2
+ * 3 C 1
+ * 2 D 2
+ * 1 C 3
+ * 0 D 4
+ *
+ */
+static int iceland_setup_default_pcie_tables(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ PP_ASSERT_WITH_CODE((data->use_pcie_performance_levels ||
+ data->use_pcie_power_saving_levels),
+ "No pcie performance levels!", return -EINVAL);
+
+ if (data->use_pcie_performance_levels && !data->use_pcie_power_saving_levels) {
+ data->pcie_gen_power_saving = data->pcie_gen_performance;
+ data->pcie_lane_power_saving = data->pcie_lane_performance;
+ } else if (!data->use_pcie_performance_levels && data->use_pcie_power_saving_levels) {
+ data->pcie_gen_performance = data->pcie_gen_power_saving;
+ data->pcie_lane_performance = data->pcie_lane_power_saving;
+ }
+
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.pcie_speed_table, SMU71_MAX_LEVELS_LINK);
+
+ /* Hardcode Pcie Table */
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ iceland_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ data->dpm_table.pcie_speed_table.count = 6;
+
+ return 0;
+
+}
+
+
+/*
+ * This function is to initalize all DPM state tables for SMU7 based on the dependency table.
+ * Dynamic state patching function will then trim these state tables to the allowed range based
+ * on the power policy or external client requests, such as UVD request, etc.
+ */
+static int iceland_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint32_t i;
+
+ struct phm_clock_voltage_dependency_table *allowed_vdd_sclk_table =
+ hwmgr->dyn_state.vddc_dependency_on_sclk;
+ struct phm_clock_voltage_dependency_table *allowed_vdd_mclk_table =
+ hwmgr->dyn_state.vddc_dependency_on_mclk;
+ struct phm_cac_leakage_table *std_voltage_table =
+ hwmgr->dyn_state.cac_leakage_table;
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
+ "SCLK dependency table is missing. This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table->count >= 1,
+ "SCLK dependency table has to have is missing. This table is mandatory", return -1);
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
+ "MCLK dependency table is missing. This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table->count >= 1,
+ "VMCLK dependency table has to have is missing. This table is mandatory", return -1);
+
+ /* clear the state table to reset everything to default */
+ memset(&(data->dpm_table), 0x00, sizeof(data->dpm_table));
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.sclk_table, SMU71_MAX_LEVELS_GRAPHICS);
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.mclk_table, SMU71_MAX_LEVELS_MEMORY);
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.vddc_table, SMU71_MAX_LEVELS_VDDC);
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.vdd_ci_table, SMU71_MAX_LEVELS_VDDCI);
+ iceland_reset_single_dpm_table(hwmgr, &data->dpm_table.mvdd_table, SMU71_MAX_LEVELS_MVDD);
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
+ "SCLK dependency table is missing. This table is mandatory", return -1);
+ /* Initialize Sclk DPM table based on allow Sclk values*/
+ data->dpm_table.sclk_table.count = 0;
+
+ for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
+ if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value !=
+ allowed_vdd_sclk_table->entries[i].clk) {
+ data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value =
+ allowed_vdd_sclk_table->entries[i].clk;
+ data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; to do */
+ data->dpm_table.sclk_table.count++;
+ }
+ }
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
+ "MCLK dependency table is missing. This table is mandatory", return -1);
+ /* Initialize Mclk DPM table based on allow Mclk values */
+ data->dpm_table.mclk_table.count = 0;
+ for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
+ if (i == 0 || data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count-1].value !=
+ allowed_vdd_mclk_table->entries[i].clk) {
+ data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value =
+ allowed_vdd_mclk_table->entries[i].clk;
+ data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; */
+ data->dpm_table.mclk_table.count++;
+ }
+ }
+
+ /* Initialize Vddc DPM table based on allow Vddc values. And populate corresponding std values. */
+ for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
+ data->dpm_table.vddc_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
+ data->dpm_table.vddc_table.dpm_levels[i].param1 = std_voltage_table->entries[i].Leakage;
+ /* param1 is for corresponding std voltage */
+ data->dpm_table.vddc_table.dpm_levels[i].enabled = 1;
+ }
+
+ data->dpm_table.vddc_table.count = allowed_vdd_sclk_table->count;
+ allowed_vdd_mclk_table = hwmgr->dyn_state.vddci_dependency_on_mclk;
+
+ if (NULL != allowed_vdd_mclk_table) {
+ /* Initialize Vddci DPM table based on allow Mclk values */
+ for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
+ data->dpm_table.vdd_ci_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
+ data->dpm_table.vdd_ci_table.dpm_levels[i].enabled = 1;
+ }
+ data->dpm_table.vdd_ci_table.count = allowed_vdd_mclk_table->count;
+ }
+
+ allowed_vdd_mclk_table = hwmgr->dyn_state.mvdd_dependency_on_mclk;
+
+ if (NULL != allowed_vdd_mclk_table) {
+ /*
+ * Initialize MVDD DPM table based on allow Mclk
+ * values
+ */
+ for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
+ data->dpm_table.mvdd_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].v;
+ data->dpm_table.mvdd_table.dpm_levels[i].enabled = 1;
+ }
+ data->dpm_table.mvdd_table.count = allowed_vdd_mclk_table->count;
+ }
+
+ /* setup PCIE gen speed levels*/
+ iceland_setup_default_pcie_tables(hwmgr);
+
+ /* save a copy of the default DPM table*/
+ memcpy(&(data->golden_dpm_table), &(data->dpm_table), sizeof(struct iceland_dpm_table));
+
+ return 0;
+}
+
+/**
+ * @brief PhwIceland_GetVoltageOrder
+ * Returns index of requested voltage record in lookup(table)
+ * @param hwmgr - pointer to hardware manager
+ * @param lookutab - lookup list to search in
+ * @param voltage - voltage to look for
+ * @return 0 on success
+ */
+uint8_t iceland_get_voltage_index(phm_ppt_v1_voltage_lookup_table *look_up_table,
+ uint16_t voltage)
+{
+ uint8_t count = (uint8_t) (look_up_table->count);
+ uint8_t i;
+
+ PP_ASSERT_WITH_CODE((NULL != look_up_table), "Lookup Table empty.", return 0;);
+ PP_ASSERT_WITH_CODE((0 != count), "Lookup Table empty.", return 0;);
+
+ for (i = 0; i < count; i++) {
+ /* find first voltage equal or bigger than requested */
+ if (look_up_table->entries[i].us_vdd >= voltage)
+ return i;
+ }
+
+ /* voltage is bigger than max voltage in the table */
+ return i-1;
+}
+
+
+static int iceland_get_std_voltage_value_sidd(struct pp_hwmgr *hwmgr,
+ pp_atomctrl_voltage_table_entry *tab, uint16_t *hi,
+ uint16_t *lo)
+{
+ uint16_t v_index;
+ bool vol_found = false;
+ *hi = tab->value * VOLTAGE_SCALE;
+ *lo = tab->value * VOLTAGE_SCALE;
+
+ /* SCLK/VDDC Dependency Table has to exist. */
+ PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.vddc_dependency_on_sclk,
+ "The SCLK/VDDC Dependency Table does not exist.\n",
+ return -EINVAL);
+
+ if (NULL == hwmgr->dyn_state.cac_leakage_table) {
+ pr_warning("CAC Leakage Table does not exist, using vddc.\n");
+ return 0;
+ }
+
+ /*
+ * Since voltage in the sclk/vddc dependency table is not
+ * necessarily in ascending order because of ELB voltage
+ * patching, loop through entire list to find exact voltage.
+ */
+ for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
+ if (tab->value == hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
+ vol_found = true;
+ if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
+ *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
+ *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage * VOLTAGE_SCALE);
+ } else {
+ pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index, using maximum index from CAC table.\n");
+ *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
+ *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
+ }
+ break;
+ }
+ }
+
+ /*
+ * If voltage is not found in the first pass, loop again to
+ * find the best match, equal or higher value.
+ */
+ if (!vol_found) {
+ for (v_index = 0; (uint32_t)v_index < hwmgr->dyn_state.vddc_dependency_on_sclk->count; v_index++) {
+ if (tab->value <= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[v_index].v) {
+ vol_found = true;
+ if ((uint32_t)v_index < hwmgr->dyn_state.cac_leakage_table->count) {
+ *lo = hwmgr->dyn_state.cac_leakage_table->entries[v_index].Vddc * VOLTAGE_SCALE;
+ *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[v_index].Leakage) * VOLTAGE_SCALE;
+ } else {
+ pr_warning("Index from SCLK/VDDC Dependency Table exceeds the CAC Leakage Table index in second look up, using maximum index from CAC table.");
+ *lo = hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Vddc * VOLTAGE_SCALE;
+ *hi = (uint16_t)(hwmgr->dyn_state.cac_leakage_table->entries[hwmgr->dyn_state.cac_leakage_table->count - 1].Leakage * VOLTAGE_SCALE);
+ }
+ break;
+ }
+ }
+
+ if (!vol_found)
+ pr_warning("Unable to get std_vddc from SCLK/VDDC Dependency Table, using vddc.\n");
+ }
+
+ return 0;
+}
+
+static int iceland_populate_smc_voltage_table(struct pp_hwmgr *hwmgr,
+ pp_atomctrl_voltage_table_entry *tab,
+ SMU71_Discrete_VoltageLevel *smc_voltage_tab) {
+ int result;
+
+
+ result = iceland_get_std_voltage_value_sidd(hwmgr, tab,
+ &smc_voltage_tab->StdVoltageHiSidd,
+ &smc_voltage_tab->StdVoltageLoSidd);
+ if (0 != result) {
+ smc_voltage_tab->StdVoltageHiSidd = tab->value * VOLTAGE_SCALE;
+ smc_voltage_tab->StdVoltageLoSidd = tab->value * VOLTAGE_SCALE;
+ }
+
+ smc_voltage_tab->Voltage = PP_HOST_TO_SMC_US(tab->value * VOLTAGE_SCALE);
+ CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);
+ CONVERT_FROM_HOST_TO_SMC_US(smc_voltage_tab->StdVoltageHiSidd);
+
+ return 0;
+}
+
+/**
+ * Vddc table preparation for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+static int iceland_populate_smc_vddc_table(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ unsigned int count;
+ int result;
+
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ table->VddcLevelCount = data->vddc_voltage_table.count;
+ for (count = 0; count < table->VddcLevelCount; count++) {
+ result = iceland_populate_smc_voltage_table(hwmgr,
+ &data->vddc_voltage_table.entries[count],
+ &table->VddcLevel[count]);
+ PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDC voltage table", return -EINVAL);
+
+ /* GPIO voltage control */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->voltage_control)
+ table->VddcLevel[count].Smio |= data->vddc_voltage_table.entries[count].smio_low;
+ else if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
+ table->VddcLevel[count].Smio = 0;
+ }
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount);
+
+ return 0;
+}
+
+/**
+ * Vddci table preparation for SMC.
+ *
+ * @param *hwmgr The address of the hardware manager.
+ * @param *table The SMC DPM table structure to be populated.
+ * @return 0
+ */
+static int iceland_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ int result;
+ uint32_t count;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ table->VddciLevelCount = data->vddci_voltage_table.count;
+ for (count = 0; count < table->VddciLevelCount; count++) {
+ result = iceland_populate_smc_voltage_table(hwmgr,
+ &data->vddci_voltage_table.entries[count],
+ &table->VddciLevel[count]);
+ PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDCI voltage table", return -EINVAL);
+
+ /* GPIO voltage control */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control)
+ table->VddciLevel[count].Smio |= data->vddci_voltage_table.entries[count].smio_low;
+ else
+ table->VddciLevel[count].Smio = 0;
+ }
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount);
+
+ return 0;
+}
+
+/**
+ * Mvdd table preparation for SMC.
+ *
+ * @param *hwmgr The address of the hardware manager.
+ * @param *table The SMC DPM table structure to be populated.
+ * @return 0
+ */
+static int iceland_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ int result;
+ uint32_t count;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ table->MvddLevelCount = data->mvdd_voltage_table.count;
+ for (count = 0; count < table->MvddLevelCount; count++) {
+ result = iceland_populate_smc_voltage_table(hwmgr,
+ &data->mvdd_voltage_table.entries[count],
+ &table->MvddLevel[count]);
+ PP_ASSERT_WITH_CODE(0 == result, "do not populate SMC VDDCI voltage table", return -EINVAL);
+
+ /* GPIO voltage control */
+ if (ICELAND_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control)
+ table->MvddLevel[count].Smio |= data->mvdd_voltage_table.entries[count].smio_low;
+ else
+ table->MvddLevel[count].Smio = 0;
+ }
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount);
+
+ return 0;
+}
+
+/**
+ * Convert a voltage value in mv unit to VID number required by SMU firmware
+ */
+static uint8_t convert_to_vid(uint16_t vddc)
+{
+ return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
+}
+
+int iceland_populate_bapm_vddc_vid_sidd(struct pp_hwmgr *hwmgr)
+{
+ int i;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint8_t * hi_vid = data->power_tune_table.BapmVddCVidHiSidd;
+ uint8_t * lo_vid = data->power_tune_table.BapmVddCVidLoSidd;
+
+ PP_ASSERT_WITH_CODE(NULL != hwmgr->dyn_state.cac_leakage_table,
+ "The CAC Leakage table does not exist!", return -EINVAL);
+ PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count <= 8,
+ "There should never be more than 8 entries for BapmVddcVid!!!", return -EINVAL);
+ PP_ASSERT_WITH_CODE(hwmgr->dyn_state.cac_leakage_table->count == hwmgr->dyn_state.vddc_dependency_on_sclk->count,
+ "CACLeakageTable->count and VddcDependencyOnSCLk->count not equal", return -EINVAL);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) {
+ for (i = 0; (uint32_t) i < hwmgr->dyn_state.cac_leakage_table->count; i++) {
+ lo_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc1);
+ hi_vid[i] = convert_to_vid(hwmgr->dyn_state.cac_leakage_table->entries[i].Vddc2);
+ }
+ } else {
+ PP_ASSERT_WITH_CODE(false, "Iceland should always support EVV", return -EINVAL);
+ }
+
+ return 0;
+}
+
+int iceland_populate_vddc_vid(struct pp_hwmgr *hwmgr)
+{
+ int i;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint8_t *vid = data->power_tune_table.VddCVid;
+
+ PP_ASSERT_WITH_CODE(data->vddc_voltage_table.count <= 8,
+ "There should never be more than 8 entries for VddcVid!!!",
+ return -EINVAL);
+
+ for (i = 0; i < (int)data->vddc_voltage_table.count; i++) {
+ vid[i] = convert_to_vid(data->vddc_voltage_table.entries[i].value);
+ }
+
+ return 0;
+}
+
+/**
+ * Preparation of voltage tables for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+
+int iceland_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ int result;
+
+ result = iceland_populate_smc_vddc_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate VDDC voltage table to SMC", return -1);
+
+ result = iceland_populate_smc_vdd_ci_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate VDDCI voltage table to SMC", return -1);
+
+ result = iceland_populate_smc_mvdd_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate MVDD voltage table to SMC", return -1);
+
+ return 0;
+}
+
+
+/**
+ * Re-generate the DPM level mask value
+ * @param hwmgr the address of the hardware manager
+ */
+static uint32_t iceland_get_dpm_level_enable_mask_value(
+ struct iceland_single_dpm_table * dpm_table)
+{
+ uint32_t i;
+ uint32_t mask_value = 0;
+
+ for (i = dpm_table->count; i > 0; i--) {
+ mask_value = mask_value << 1;
+
+ if (dpm_table->dpm_levels[i-1].enabled)
+ mask_value |= 0x1;
+ else
+ mask_value &= 0xFFFFFFFE;
+ }
+ return mask_value;
+}
+
+int iceland_populate_memory_timing_parameters(
+ struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock,
+ uint32_t memory_clock,
+ struct SMU71_Discrete_MCArbDramTimingTableEntry *arb_regs
+ )
+{
+ uint32_t dramTiming;
+ uint32_t dramTiming2;
+ uint32_t burstTime;
+ int result;
+
+ result = atomctrl_set_engine_dram_timings_rv770(hwmgr,
+ engine_clock, memory_clock);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error calling VBIOS to set DRAM_TIMING.", return result);
+
+ dramTiming = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
+ dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
+ burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
+
+ arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dramTiming);
+ arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2);
+ arb_regs->McArbBurstTime = (uint8_t)burstTime;
+
+ return 0;
+}
+
+/**
+ * Setup parameters for the MC ARB.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ * This function is to be called from the SetPowerState table.
+ */
+int iceland_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ int result = 0;
+ SMU71_Discrete_MCArbDramTimingTable arb_regs;
+ uint32_t i, j;
+
+ memset(&arb_regs, 0x00, sizeof(SMU71_Discrete_MCArbDramTimingTable));
+
+ for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
+ for (j = 0; j < data->dpm_table.mclk_table.count; j++) {
+ result = iceland_populate_memory_timing_parameters
+ (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value,
+ data->dpm_table.mclk_table.dpm_levels[j].value,
+ &arb_regs.entries[i][j]);
+
+ if (0 != result) {
+ break;
+ }
+ }
+ }
+
+ if (0 == result) {
+ result = iceland_copy_bytes_to_smc(
+ hwmgr->smumgr,
+ data->arb_table_start,
+ (uint8_t *)&arb_regs,
+ sizeof(SMU71_Discrete_MCArbDramTimingTable),
+ data->sram_end
+ );
+ }
+
+ return result;
+}
+
+static int iceland_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_DpmTable *table)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_dpm_table *dpm_table = &data->dpm_table;
+ uint32_t i;
+
+ /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */
+ for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) {
+ table->LinkLevel[i].PcieGenSpeed =
+ (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value;
+ table->LinkLevel[i].PcieLaneCount =
+ (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
+ table->LinkLevel[i].EnabledForActivity =
+ 1;
+ table->LinkLevel[i].SPC =
+ (uint8_t)(data->pcie_spc_cap & 0xff);
+ table->LinkLevel[i].DownThreshold =
+ PP_HOST_TO_SMC_UL(5);
+ table->LinkLevel[i].UpThreshold =
+ PP_HOST_TO_SMC_UL(30);
+ }
+
+ data->smc_state_table.LinkLevelCount =
+ (uint8_t)dpm_table->pcie_speed_table.count;
+ data->dpm_level_enable_mask.pcie_dpm_enable_mask =
+ iceland_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
+
+ return 0;
+}
+
+static int iceland_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ return 0;
+}
+
+uint8_t iceland_get_voltage_id(pp_atomctrl_voltage_table *voltage_table,
+ uint32_t voltage)
+{
+ uint8_t count = (uint8_t) (voltage_table->count);
+ uint8_t i = 0;
+
+ PP_ASSERT_WITH_CODE((NULL != voltage_table),
+ "Voltage Table empty.", return 0;);
+ PP_ASSERT_WITH_CODE((0 != count),
+ "Voltage Table empty.", return 0;);
+
+ for (i = 0; i < count; i++) {
+ /* find first voltage bigger than requested */
+ if (voltage_table->entries[i].value >= voltage)
+ return i;
+ }
+
+ /* voltage is bigger than max voltage in the table */
+ return i - 1;
+}
+
+static int iceland_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ return 0;
+}
+
+static int iceland_populate_smc_acp_level(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ return 0;
+}
+
+static int iceland_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ return 0;
+}
+
+
+static int iceland_populate_smc_svi2_config(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *tab)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control)
+ tab->SVI2Enable |= VDDC_ON_SVI2;
+
+ if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control)
+ tab->SVI2Enable |= VDDCI_ON_SVI2;
+ else
+ tab->MergedVddci = 1;
+
+ if(ICELAND_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control)
+ tab->SVI2Enable |= MVDD_ON_SVI2;
+
+ PP_ASSERT_WITH_CODE( tab->SVI2Enable != (VDDC_ON_SVI2 | VDDCI_ON_SVI2 | MVDD_ON_SVI2) &&
+ (tab->SVI2Enable & VDDC_ON_SVI2), "SVI2 domain configuration is incorrect!", return -EINVAL);
+
+ return 0;
+}
+
+static int iceland_get_dependecy_volt_by_clk(struct pp_hwmgr *hwmgr,
+ struct phm_clock_voltage_dependency_table *allowed_clock_voltage_table,
+ uint32_t clock, uint32_t *vol)
+{
+ uint32_t i = 0;
+
+ /* clock - voltage dependency table is empty table */
+ if (allowed_clock_voltage_table->count == 0)
+ return -EINVAL;
+
+ for (i = 0; i < allowed_clock_voltage_table->count; i++) {
+ /* find first sclk bigger than request */
+ if (allowed_clock_voltage_table->entries[i].clk >= clock) {
+ *vol = allowed_clock_voltage_table->entries[i].v;
+ return 0;
+ }
+ }
+
+ /* sclk is bigger than max sclk in the dependence table */
+ *vol = allowed_clock_voltage_table->entries[i - 1].v;
+
+ return 0;
+}
+
+static uint8_t iceland_get_mclk_frequency_ratio(uint32_t memory_clock,
+ bool strobe_mode)
+{
+ uint8_t mc_para_index;
+
+ if (strobe_mode) {
+ if (memory_clock < 12500) {
+ mc_para_index = 0x00;
+ } else if (memory_clock > 47500) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 10000) / 2500);
+ }
+ } else {
+ if (memory_clock < 65000) {
+ mc_para_index = 0x00;
+ } else if (memory_clock > 135000) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 60000) / 5000);
+ }
+ }
+
+ return mc_para_index;
+}
+
+static uint8_t iceland_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock)
+{
+ uint8_t mc_para_index;
+
+ if (memory_clock < 10000) {
+ mc_para_index = 0;
+ } else if (memory_clock >= 80000) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1);
+ }
+
+ return mc_para_index;
+}
+
+static int iceland_populate_phase_value_based_on_sclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl,
+ uint32_t sclk, uint32_t *p_shed)
+{
+ unsigned int i;
+
+ /* use the minimum phase shedding */
+ *p_shed = 1;
+
+ /*
+ * PPGen ensures the phase shedding limits table is sorted
+ * from lowest voltage/sclk/mclk to highest voltage/sclk/mclk.
+ * VBIOS ensures the phase shedding masks table is sorted from
+ * least phases enabled (phase shedding on) to most phases
+ * enabled (phase shedding off).
+ */
+ for (i = 0; i < pl->count; i++) {
+ if (sclk < pl->entries[i].Sclk) {
+ /* Enable phase shedding */
+ *p_shed = i;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int iceland_populate_phase_value_based_on_mclk(struct pp_hwmgr *hwmgr, const struct phm_phase_shedding_limits_table *pl,
+ uint32_t memory_clock, uint32_t *p_shed)
+{
+ unsigned int i;
+
+ /* use the minimum phase shedding */
+ *p_shed = 1;
+
+ /*
+ * PPGen ensures the phase shedding limits table is sorted
+ * from lowest voltage/sclk/mclk to highest voltage/sclk/mclk.
+ * VBIOS ensures the phase shedding masks table is sorted from
+ * least phases enabled (phase shedding on) to most phases
+ * enabled (phase shedding off).
+ */
+ for (i = 0; i < pl->count; i++) {
+ if (memory_clock < pl->entries[i].Mclk) {
+ /* Enable phase shedding */
+ *p_shed = i;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Populates the SMC MCLK structure using the provided memory clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param memory_clock the memory clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+static int iceland_calculate_mclk_params(
+ struct pp_hwmgr *hwmgr,
+ uint32_t memory_clock,
+ SMU71_Discrete_MemoryLevel *mclk,
+ bool strobe_mode,
+ bool dllStateOn
+ )
+{
+ const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint32_t dll_cntl = data->clock_registers.vDLL_CNTL;
+ uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
+ uint32_t mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL;
+ uint32_t mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL;
+ uint32_t mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL;
+ uint32_t mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1;
+ uint32_t mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2;
+ uint32_t mpll_ss1 = data->clock_registers.vMPLL_SS1;
+ uint32_t mpll_ss2 = data->clock_registers.vMPLL_SS2;
+
+ pp_atomctrl_memory_clock_param mpll_param;
+ int result;
+
+ result = atomctrl_get_memory_pll_dividers_si(hwmgr,
+ memory_clock, &mpll_param, strobe_mode);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Error retrieving Memory Clock Parameters from VBIOS.", return result);
+
+ /* MPLL_FUNC_CNTL setup*/
+ mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl);
+
+ /* MPLL_FUNC_CNTL_1 setup*/
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf);
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac);
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode);
+
+ /* MPLL_AD_FUNC_CNTL setup*/
+ mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl,
+ MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
+
+ if (data->is_memory_GDDR5) {
+ /* MPLL_DQ_FUNC_CNTL setup*/
+ mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl,
+ MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel);
+ mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl,
+ MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MemorySpreadSpectrumSupport)) {
+ /*
+ ************************************
+ Fref = Reference Frequency
+ NF = Feedback divider ratio
+ NR = Reference divider ratio
+ Fnom = Nominal VCO output frequency = Fref * NF / NR
+ Fs = Spreading Rate
+ D = Percentage down-spread / 2
+ Fint = Reference input frequency to PFD = Fref / NR
+ NS = Spreading rate divider ratio = int(Fint / (2 * Fs))
+ CLKS = NS - 1 = ISS_STEP_NUM[11:0]
+ NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2)
+ CLKV = 65536 * NV = ISS_STEP_SIZE[25:0]
+ *************************************
+ */
+ pp_atomctrl_internal_ss_info ss_info;
+ uint32_t freq_nom;
+ uint32_t tmp;
+ uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr);
+
+ /* for GDDR5 for all modes and DDR3 */
+ if (1 == mpll_param.qdr)
+ freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider);
+ else
+ freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider);
+
+ /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2 Note: S.I. reference_divider = 1*/
+ tmp = (freq_nom / reference_clock);
+ tmp = tmp * tmp;
+
+ if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) {
+ /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */
+ /* ss.Info.speed_spectrum_rate -- in unit of khz */
+ /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */
+ /* = reference_clock * 5 / speed_spectrum_rate */
+ uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate;
+
+ /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */
+ /* = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */
+ uint32_t clkv =
+ (uint32_t)((((131 * ss_info.speed_spectrum_percentage *
+ ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom);
+
+ mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv);
+ mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks);
+ }
+ }
+
+ /* MCLK_PWRMGT_CNTL setup */
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn);
+
+
+ /* Save the result data to outpupt memory level structure */
+ mclk->MclkFrequency = memory_clock;
+ mclk->MpllFuncCntl = mpll_func_cntl;
+ mclk->MpllFuncCntl_1 = mpll_func_cntl_1;
+ mclk->MpllFuncCntl_2 = mpll_func_cntl_2;
+ mclk->MpllAdFuncCntl = mpll_ad_func_cntl;
+ mclk->MpllDqFuncCntl = mpll_dq_func_cntl;
+ mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl;
+ mclk->DllCntl = dll_cntl;
+ mclk->MpllSs1 = mpll_ss1;
+ mclk->MpllSs2 = mpll_ss2;
+
+ return 0;
+}
+
+static int iceland_populate_single_memory_level(
+ struct pp_hwmgr *hwmgr,
+ uint32_t memory_clock,
+ SMU71_Discrete_MemoryLevel *memory_level
+ )
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ int result = 0;
+ bool dllStateOn;
+ struct cgs_display_info info = {0};
+
+
+ if (NULL != hwmgr->dyn_state.vddc_dependency_on_mclk) {
+ result = iceland_get_dependecy_volt_by_clk(hwmgr,
+ hwmgr->dyn_state.vddc_dependency_on_mclk, memory_clock, &memory_level->MinVddc);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result);
+ }
+
+ if (data->vdd_ci_control == ICELAND_VOLTAGE_CONTROL_NONE) {
+ memory_level->MinVddci = memory_level->MinVddc;
+ } else if (NULL != hwmgr->dyn_state.vddci_dependency_on_mclk) {
+ result = iceland_get_dependecy_volt_by_clk(hwmgr,
+ hwmgr->dyn_state.vddci_dependency_on_mclk,
+ memory_clock,
+ &memory_level->MinVddci);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find MinVddci voltage value from memory VDDCI voltage dependency table", return result);
+ }
+
+ if (NULL != hwmgr->dyn_state.mvdd_dependency_on_mclk) {
+ result = iceland_get_dependecy_volt_by_clk(hwmgr,
+ hwmgr->dyn_state.mvdd_dependency_on_mclk, memory_clock, &memory_level->MinMvdd);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find MinMVDD voltage value from memory MVDD voltage dependency table", return result);
+ }
+
+ memory_level->MinVddcPhases = 1;
+
+ if (data->vddc_phase_shed_control) {
+ iceland_populate_phase_value_based_on_mclk(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table,
+ memory_clock, &memory_level->MinVddcPhases);
+ }
+
+ memory_level->EnabledForThrottle = 1;
+ memory_level->EnabledForActivity = 1;
+ memory_level->UpHyst = 0;
+ memory_level->DownHyst = 100;
+ memory_level->VoltageDownHyst = 0;
+
+ /* Indicates maximum activity level for this performance level.*/
+ memory_level->ActivityLevel = (uint16_t)data->mclk_activity_target;
+ memory_level->StutterEnable = 0;
+ memory_level->StrobeEnable = 0;
+ memory_level->EdcReadEnable = 0;
+ memory_level->EdcWriteEnable = 0;
+ memory_level->RttEnable = 0;
+
+ /* default set to low watermark. Highest level will be set to high later.*/
+ memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+ data->display_timing.num_existing_displays = info.display_count;
+
+ //if ((data->mclk_stutter_mode_threshold != 0) &&
+ // (memory_clock <= data->mclk_stutter_mode_threshold) &&
+ // (data->is_uvd_enabled == 0)
+ // && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1)
+ // && (data->display_timing.num_existing_displays <= 2)
+ // && (data->display_timing.num_existing_displays != 0))
+ // memory_level->StutterEnable = 1;
+
+ /* decide strobe mode*/
+ memory_level->StrobeEnable = (data->mclk_strobe_mode_threshold != 0) &&
+ (memory_clock <= data->mclk_strobe_mode_threshold);
+
+ /* decide EDC mode and memory clock ratio*/
+ if (data->is_memory_GDDR5) {
+ memory_level->StrobeRatio = iceland_get_mclk_frequency_ratio(memory_clock,
+ memory_level->StrobeEnable);
+
+ if ((data->mclk_edc_enable_threshold != 0) &&
+ (memory_clock > data->mclk_edc_enable_threshold)) {
+ memory_level->EdcReadEnable = 1;
+ }
+
+ if ((data->mclk_edc_wr_enable_threshold != 0) &&
+ (memory_clock > data->mclk_edc_wr_enable_threshold)) {
+ memory_level->EdcWriteEnable = 1;
+ }
+
+ if (memory_level->StrobeEnable) {
+ if (iceland_get_mclk_frequency_ratio(memory_clock, 1) >=
+ ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf)) {
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
+ } else {
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0;
+ }
+
+ } else {
+ dllStateOn = data->dll_defaule_on;
+ }
+ } else {
+ memory_level->StrobeRatio =
+ iceland_get_ddr3_mclk_frequency_ratio(memory_clock);
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
+ }
+
+ result = iceland_calculate_mclk_params(hwmgr,
+ memory_clock, memory_level, memory_level->StrobeEnable, dllStateOn);
+
+ if (0 == result) {
+ memory_level->MinVddc = PP_HOST_TO_SMC_UL(memory_level->MinVddc * VOLTAGE_SCALE);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinVddcPhases);
+ memory_level->MinVddci = PP_HOST_TO_SMC_UL(memory_level->MinVddci * VOLTAGE_SCALE);
+ memory_level->MinMvdd = PP_HOST_TO_SMC_UL(memory_level->MinMvdd * VOLTAGE_SCALE);
+ /* MCLK frequency in units of 10KHz*/
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency);
+ /* Indicates maximum activity level for this performance level.*/
+ CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2);
+ }
+
+ return result;
+}
+
+/**
+ * Populates the SMC MVDD structure using the provided memory clock.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param mclk the MCLK value to be used in the decision if MVDD should be high or low.
+ * @param voltage the SMC VOLTAGE structure to be populated
+ */
+int iceland_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk, SMU71_Discrete_VoltageLevel *voltage)
+{
+ const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint32_t i = 0;
+
+ if (ICELAND_VOLTAGE_CONTROL_NONE != data->mvdd_control) {
+ /* find mvdd value which clock is more than request */
+ for (i = 0; i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count; i++) {
+ if (mclk <= hwmgr->dyn_state.mvdd_dependency_on_mclk->entries[i].clk) {
+ /* Always round to higher voltage. */
+ voltage->Voltage = data->mvdd_voltage_table.entries[i].value;
+ break;
+ }
+ }
+
+ PP_ASSERT_WITH_CODE(i < hwmgr->dyn_state.mvdd_dependency_on_mclk->count,
+ "MVDD Voltage is outside the supported range.", return -1);
+
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int iceland_populate_smc_acpi_level(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_DpmTable *table)
+{
+ int result = 0;
+ const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_clock_dividers_vi dividers;
+ SMU71_Discrete_VoltageLevel voltage_level;
+ uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL;
+ uint32_t spll_func_cntl_2 = data->clock_registers.vCG_SPLL_FUNC_CNTL_2;
+ uint32_t dll_cntl = data->clock_registers.vDLL_CNTL;
+ uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
+
+ /* The ACPI state should not do DPM on DC (or ever).*/
+ table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
+
+ if (data->acpi_vddc)
+ table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->acpi_vddc * VOLTAGE_SCALE);
+ else
+ table->ACPILevel.MinVddc = PP_HOST_TO_SMC_UL(data->min_vddc_in_pp_table * VOLTAGE_SCALE);
+
+ table->ACPILevel.MinVddcPhases = (data->vddc_phase_shed_control) ? 0 : 1;
+
+ /* assign zero for now*/
+ table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr);
+
+ /* get the engine clock dividers for this clock value*/
+ result = atomctrl_get_engine_pll_dividers_vi(hwmgr,
+ table->ACPILevel.SclkFrequency, ÷rs);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error retrieving Engine Clock dividers from VBIOS.", return result);
+
+ /* divider ID for required SCLK*/
+ table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider;
+ table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+ table->ACPILevel.DeepSleepDivId = 0;
+
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_PWRON, 0);
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_RESET, 1);
+ spll_func_cntl_2 = PHM_SET_FIELD(spll_func_cntl_2,
+ CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL, 4);
+
+ table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
+ table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
+ table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
+ table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
+ table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
+ table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
+ table->ACPILevel.CcPwrDynRm = 0;
+ table->ACPILevel.CcPwrDynRm1 = 0;
+
+
+ /* For various features to be enabled/disabled while this level is active.*/
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags);
+ /* SCLK frequency in units of 10KHz*/
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1);
+
+ table->MemoryACPILevel.MinVddc = table->ACPILevel.MinVddc;
+ table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;
+
+ /* CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage);*/
+
+ if (0 == iceland_populate_mvdd_value(hwmgr, 0, &voltage_level))
+ table->MemoryACPILevel.MinMvdd =
+ PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE);
+ else
+ table->MemoryACPILevel.MinMvdd = 0;
+
+ /* Force reset on DLL*/
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1);
+
+ /* Disable DLL in ACPIState*/
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0);
+
+ /* Enable DLL bypass signal*/
+ dll_cntl = PHM_SET_FIELD(dll_cntl,
+ DLL_CNTL, MRDCK0_BYPASS, 0);
+ dll_cntl = PHM_SET_FIELD(dll_cntl,
+ DLL_CNTL, MRDCK1_BYPASS, 0);
+
+ table->MemoryACPILevel.DllCntl =
+ PP_HOST_TO_SMC_UL(dll_cntl);
+ table->MemoryACPILevel.MclkPwrmgtCntl =
+ PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl);
+ table->MemoryACPILevel.MpllAdFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL);
+ table->MemoryACPILevel.MpllDqFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL);
+ table->MemoryACPILevel.MpllFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL);
+ table->MemoryACPILevel.MpllFuncCntl_1 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1);
+ table->MemoryACPILevel.MpllFuncCntl_2 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2);
+ table->MemoryACPILevel.MpllSs1 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1);
+ table->MemoryACPILevel.MpllSs2 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2);
+
+ table->MemoryACPILevel.EnabledForThrottle = 0;
+ table->MemoryACPILevel.EnabledForActivity = 0;
+ table->MemoryACPILevel.UpHyst = 0;
+ table->MemoryACPILevel.DownHyst = 100;
+ table->MemoryACPILevel.VoltageDownHyst = 0;
+ /* Indicates maximum activity level for this performance level.*/
+ table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target);
+
+ table->MemoryACPILevel.StutterEnable = 0;
+ table->MemoryACPILevel.StrobeEnable = 0;
+ table->MemoryACPILevel.EdcReadEnable = 0;
+ table->MemoryACPILevel.EdcWriteEnable = 0;
+ table->MemoryACPILevel.RttEnable = 0;
+
+ return result;
+}
+
+static int iceland_find_boot_level(struct iceland_single_dpm_table *table, uint32_t value, uint32_t *boot_level)
+{
+ int result = 0;
+ uint32_t i;
+
+ for (i = 0; i < table->count; i++) {
+ if (value == table->dpm_levels[i].value) {
+ *boot_level = i;
+ result = 0;
+ }
+ }
+ return result;
+}
+
+/**
+ * Calculates the SCLK dividers using the provided engine clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param engine_clock the engine clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+int iceland_calculate_sclk_params(struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock, SMU71_Discrete_GraphicsLevel *sclk)
+{
+ const iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_clock_dividers_vi dividers;
+ uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL;
+ uint32_t spll_func_cntl_3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
+ uint32_t spll_func_cntl_4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
+ uint32_t cg_spll_spread_spectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
+ uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
+ uint32_t reference_clock;
+ uint32_t reference_divider;
+ uint32_t fbdiv;
+ int result;
+
+ /* get the engine clock dividers for this clock value*/
+ result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock, ÷rs);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error retrieving Engine Clock dividers from VBIOS.", return result);
+
+ /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/
+ reference_clock = atomctrl_get_reference_clock(hwmgr);
+
+ reference_divider = 1 + dividers.uc_pll_ref_div;
+
+ /* low 14 bits is fraction and high 12 bits is divider*/
+ fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF;
+
+ /* SPLL_FUNC_CNTL setup*/
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div);
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_PDIV_A, dividers.uc_pll_post_div);
+
+ /* SPLL_FUNC_CNTL_3 setup*/
+ spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
+ CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv);
+
+ /* set to use fractional accumulation*/
+ spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
+ CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EngineSpreadSpectrumSupport)) {
+ pp_atomctrl_internal_ss_info ss_info;
+
+ uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div;
+ if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) {
+ /*
+ * ss_info.speed_spectrum_percentage -- in unit of 0.01%
+ * ss_info.speed_spectrum_rate -- in unit of khz
+ */
+ /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */
+ uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate);
+
+ /* clkv = 2 * D * fbdiv / NS */
+ uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000);
+
+ cg_spll_spread_spectrum =
+ PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS);
+ cg_spll_spread_spectrum =
+ PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1);
+ cg_spll_spread_spectrum_2 =
+ PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV);
+ }
+ }
+
+ sclk->SclkFrequency = engine_clock;
+ sclk->CgSpllFuncCntl3 = spll_func_cntl_3;
+ sclk->CgSpllFuncCntl4 = spll_func_cntl_4;
+ sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum;
+ sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2;
+ sclk->SclkDid = (uint8_t)dividers.pll_post_divider;
+
+ return 0;
+}
+
+static uint8_t iceland_get_sleep_divider_id_from_clock(struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock, uint32_t min_engine_clock_in_sr)
+{
+ uint32_t i, temp;
+ uint32_t min = (min_engine_clock_in_sr > ICELAND_MINIMUM_ENGINE_CLOCK) ?
+ min_engine_clock_in_sr : ICELAND_MINIMUM_ENGINE_CLOCK;
+
+ PP_ASSERT_WITH_CODE((engine_clock >= min),
+ "Engine clock can't satisfy stutter requirement!", return 0);
+
+ for (i = ICELAND_MAX_DEEPSLEEP_DIVIDER_ID;; i--) {
+ temp = engine_clock / (1 << i);
+
+ if(temp >= min || i == 0)
+ break;
+ }
+ return (uint8_t)i;
+}
+
+/**
+ * Populates single SMC SCLK structure using the provided engine clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param engine_clock the engine clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+static int iceland_populate_single_graphic_level(struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock, uint16_t sclk_activity_level_threshold,
+ SMU71_Discrete_GraphicsLevel *graphic_level)
+{
+ int result;
+ uint32_t threshold;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ result = iceland_calculate_sclk_params(hwmgr, engine_clock, graphic_level);
+
+
+ /* populate graphics levels*/
+ result = iceland_get_dependecy_volt_by_clk(hwmgr,
+ hwmgr->dyn_state.vddc_dependency_on_sclk, engine_clock, &graphic_level->MinVddc);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find VDDC voltage value for VDDC engine clock dependency table", return result);
+
+ /* SCLK frequency in units of 10KHz*/
+ graphic_level->SclkFrequency = engine_clock;
+
+ /*
+ * Minimum VDDC phases required to support this level, it
+ * should get from dependence table.
+ */
+ graphic_level->MinVddcPhases = 1;
+
+ if (data->vddc_phase_shed_control) {
+ iceland_populate_phase_value_based_on_sclk(hwmgr,
+ hwmgr->dyn_state.vddc_phase_shed_limits_table,
+ engine_clock,
+ &graphic_level->MinVddcPhases);
+ }
+
+ /* Indicates maximum activity level for this performance level. 50% for now*/
+ graphic_level->ActivityLevel = sclk_activity_level_threshold;
+
+ graphic_level->CcPwrDynRm = 0;
+ graphic_level->CcPwrDynRm1 = 0;
+ /* this level can be used if activity is high enough.*/
+ graphic_level->EnabledForActivity = 1;
+ /* this level can be used for throttling.*/
+ graphic_level->EnabledForThrottle = 1;
+ graphic_level->UpHyst = 0;
+ graphic_level->DownHyst = 100;
+ graphic_level->VoltageDownHyst = 0;
+ graphic_level->PowerThrottle = 0;
+
+ threshold = engine_clock * data->fast_watermark_threshold / 100;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkDeepSleep)) {
+ graphic_level->DeepSleepDivId =
+ iceland_get_sleep_divider_id_from_clock(hwmgr, engine_clock,
+ data->display_timing.min_clock_insr);
+ }
+
+ /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/
+ graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+
+ if (0 == result) {
+ graphic_level->MinVddc = PP_HOST_TO_SMC_UL(graphic_level->MinVddc * VOLTAGE_SCALE);
+ /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVoltage);*/
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency);
+ CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1);
+ }
+
+ return result;
+}
+
+/**
+ * Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states
+ *
+ * @param hwmgr the address of the hardware manager
+ */
+static int iceland_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_dpm_table *dpm_table = &data->dpm_table;
+ int result = 0;
+ uint32_t level_array_adress = data->dpm_table_start +
+ offsetof(SMU71_Discrete_DpmTable, GraphicsLevel);
+
+ uint32_t level_array_size = sizeof(SMU71_Discrete_GraphicsLevel) * SMU71_MAX_LEVELS_GRAPHICS;
+ SMU71_Discrete_GraphicsLevel *levels = data->smc_state_table.GraphicsLevel;
+ uint32_t i;
+ uint8_t highest_pcie_level_enabled = 0, lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0, count = 0;
+ memset(levels, 0x00, level_array_size);
+
+ for (i = 0; i < dpm_table->sclk_table.count; i++) {
+ result = iceland_populate_single_graphic_level(hwmgr,
+ dpm_table->sclk_table.dpm_levels[i].value,
+ (uint16_t)data->activity_target[i],
+ &(data->smc_state_table.GraphicsLevel[i]));
+ if (0 != result)
+ return result;
+
+ /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */
+ if (i > 1)
+ data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
+ }
+
+ /* set highest level watermark to high */
+ if (dpm_table->sclk_table.count > 1)
+ data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark =
+ PPSMC_DISPLAY_WATERMARK_HIGH;
+
+ data->smc_state_table.GraphicsDpmLevelCount =
+ (uint8_t)dpm_table->sclk_table.count;
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask =
+ iceland_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
+
+ while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1 << (highest_pcie_level_enabled + 1))) != 0) {
+ highest_pcie_level_enabled++;
+ }
+
+ while ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1 << lowest_pcie_level_enabled)) == 0) {
+ lowest_pcie_level_enabled++;
+ }
+
+ while ((count < highest_pcie_level_enabled) &&
+ ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1 << (lowest_pcie_level_enabled + 1 + count))) == 0)) {
+ count++;
+ }
+
+ mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ?
+ (lowest_pcie_level_enabled + 1 + count) : highest_pcie_level_enabled;
+
+ /* set pcieDpmLevel to highest_pcie_level_enabled*/
+ for (i = 2; i < dpm_table->sclk_table.count; i++) {
+ data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled;
+ }
+
+ /* set pcieDpmLevel to lowest_pcie_level_enabled*/
+ data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled;
+
+ /* set pcieDpmLevel to mid_pcie_level_enabled*/
+ data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled;
+
+ for (i = 0; i < dpm_table->sclk_table.count; i++)
+
+ /* level count will send to smc once at init smc table and never change*/
+ result = iceland_copy_bytes_to_smc(hwmgr->smumgr, level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end);
+
+ if (0 != result)
+ return result;
+
+ return 0;
+}
+
+/**
+ * Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states
+ *
+ * @param hwmgr the address of the hardware manager
+ */
+
+static int iceland_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_dpm_table *dpm_table = &data->dpm_table;
+ int result;
+ /* populate MCLK dpm table to SMU7 */
+ uint32_t level_array_adress = data->dpm_table_start + offsetof(SMU71_Discrete_DpmTable, MemoryLevel);
+ uint32_t level_array_size = sizeof(SMU71_Discrete_MemoryLevel) * SMU71_MAX_LEVELS_MEMORY;
+ SMU71_Discrete_MemoryLevel *levels = data->smc_state_table.MemoryLevel;
+ uint32_t i;
+
+ memset(levels, 0x00, level_array_size);
+
+ for (i = 0; i < dpm_table->mclk_table.count; i++) {
+ PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value),
+ "can not populate memory level as memory clock is zero", return -1);
+ result = iceland_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value,
+ &(data->smc_state_table.MemoryLevel[i]));
+ if (0 != result) {
+ return result;
+ }
+ }
+
+ /* Only enable level 0 for now.*/
+ data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
+
+ /*
+ * in order to prevent MC activity from stutter mode to push DPM up.
+ * the UVD change complements this by putting the MCLK in a higher state
+ * by default such that we are not effected by up threshold or and MCLK DPM latency.
+ */
+ data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F;
+ CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.MemoryLevel[0].ActivityLevel);
+
+ data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count;
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
+ /* set highest level watermark to high*/
+ data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;
+
+ /* level count will send to smc once at init smc table and never change*/
+ result = iceland_copy_bytes_to_smc(hwmgr->smumgr,
+ level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end);
+
+ if (0 != result) {
+ return result;
+ }
+
+ return 0;
+}
+
+struct ICELAND_DLL_SPEED_SETTING
+{
+ uint16_t Min; /* Minimum Data Rate*/
+ uint16_t Max; /* Maximum Data Rate*/
+ uint32_t dll_speed; /* The desired DLL_SPEED setting*/
+};
+
+static int iceland_populate_ulv_level(struct pp_hwmgr *hwmgr, SMU71_Discrete_Ulv *pstate)
+{
+ int result = 0;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint32_t voltage_response_time, ulv_voltage;
+
+ pstate->CcPwrDynRm = 0;
+ pstate->CcPwrDynRm1 = 0;
+
+ //backbiasResponseTime is use for ULV state voltage value.
+ result = pp_tables_get_response_times(hwmgr, &voltage_response_time, &ulv_voltage);
+ PP_ASSERT_WITH_CODE((0 == result), "can not get ULV voltage value", return result;);
+
+ if(!ulv_voltage) {
+ data->ulv.ulv_supported = false;
+ return 0;
+ }
+
+ if (ICELAND_VOLTAGE_CONTROL_BY_SVID2 != data->voltage_control) {
+ /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
+ if (ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v) {
+ pstate->VddcOffset = 0;
+ }
+ else {
+ /* used in SMIO Mode. not implemented for now. this is backup only for CI. */
+ pstate->VddcOffset = (uint16_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage);
+ }
+ } else {
+ /* use minimum voltage if ulv voltage in pptable is bigger than minimum voltage */
+ if(ulv_voltage > hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v) {
+ pstate->VddcOffsetVid = 0;
+ } else {
+ /* used in SVI2 Mode */
+ pstate->VddcOffsetVid = (uint8_t)((hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].v - ulv_voltage) * VOLTAGE_VID_OFFSET_SCALE2 / VOLTAGE_VID_OFFSET_SCALE1);
+ }
+ }
+
+ /* used in SVI2 Mode to shed phase */
+ pstate->VddcPhase = (data->vddc_phase_shed_control) ? 0 : 1;
+
+ if (0 == result) {
+ CONVERT_FROM_HOST_TO_SMC_UL(pstate->CcPwrDynRm);
+ CONVERT_FROM_HOST_TO_SMC_UL(pstate->CcPwrDynRm1);
+ CONVERT_FROM_HOST_TO_SMC_US(pstate->VddcOffset);
+ }
+
+ return result;
+}
+
+static int iceland_populate_ulv_state(struct pp_hwmgr *hwmgr, SMU71_Discrete_Ulv *ulv)
+{
+ return iceland_populate_ulv_level(hwmgr, ulv);
+}
+
+static int iceland_populate_smc_initial_state(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint8_t count, level;
+
+ count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_sclk->count);
+
+ for (level = 0; level < count; level++) {
+ if (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[level].clk
+ >= data->vbios_boot_state.sclk_bootup_value) {
+ data->smc_state_table.GraphicsBootLevel = level;
+ break;
+ }
+ }
+
+ count = (uint8_t)(hwmgr->dyn_state.vddc_dependency_on_mclk->count);
+
+ for (level = 0; level < count; level++) {
+ if (hwmgr->dyn_state.vddc_dependency_on_mclk->entries[level].clk
+ >= data->vbios_boot_state.mclk_bootup_value) {
+ data->smc_state_table.MemoryBootLevel = level;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Initializes the SMC table and uploads it
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param pInput the pointer to input data (PowerState)
+ * @return always 0
+ */
+int iceland_init_smc_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ SMU71_Discrete_DpmTable *table = &(data->smc_state_table);
+ const struct phw_iceland_ulv_parm *ulv = &(data->ulv);
+
+ result = iceland_setup_default_dpm_tables(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to setup default DPM tables!", return result;);
+ memset(&(data->smc_state_table), 0x00, sizeof(data->smc_state_table));
+
+ if (ICELAND_VOLTAGE_CONTROL_NONE != data->voltage_control) {
+ iceland_populate_smc_voltage_tables(hwmgr, table);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition)) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_StepVddc)) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
+ }
+
+ if (data->is_memory_GDDR5) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
+ }
+
+ if (ulv->ulv_supported) {
+ result = iceland_populate_ulv_state(hwmgr, &data->ulv_setting);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ULV state!", return result;);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_ULV_PARAMETER, ulv->ch_ulv_parameter);
+ }
+
+ result = iceland_populate_smc_link_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Link Level!", return result;);
+
+ result = iceland_populate_all_graphic_levels(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Graphics Level!", return result;);
+
+ result = iceland_populate_all_memory_levels(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Memory Level!", return result;);
+
+ result = iceland_populate_smc_acpi_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ACPI Level!", return result;);
+
+ result = iceland_populate_smc_vce_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize VCE Level!", return result;);
+
+ result = iceland_populate_smc_acp_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ACP Level!", return result;);
+
+ result = iceland_populate_smc_samu_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize SAMU Level!", return result;);
+
+ /*
+ * Since only the initial state is completely set up at this
+ * point (the other states are just copies of the boot state)
+ * we only need to populate the ARB settings for the initial
+ * state.
+ */
+ result = iceland_program_memory_timing_parameters(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to Write ARB settings for the initial state.", return result;);
+
+ result = iceland_populate_smc_uvd_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize UVD Level!", return result;);
+
+ table->GraphicsBootLevel = 0;
+ table->MemoryBootLevel = 0;
+
+ /* find boot level from dpm table */
+ result = iceland_find_boot_level(&(data->dpm_table.sclk_table),
+ data->vbios_boot_state.sclk_bootup_value,
+ (uint32_t *)&(data->smc_state_table.GraphicsBootLevel));
+
+ if (result)
+ pr_warning("VBIOS did not find boot engine clock value in dependency table.\n");
+
+ result = iceland_find_boot_level(&(data->dpm_table.mclk_table),
+ data->vbios_boot_state.mclk_bootup_value,
+ (uint32_t *)&(data->smc_state_table.MemoryBootLevel));
+
+ if (result)
+ pr_warning("VBIOS did not find boot memory clock value in dependency table.\n");
+
+ table->BootVddc = data->vbios_boot_state.vddc_bootup_value;
+ if (ICELAND_VOLTAGE_CONTROL_NONE == data->vdd_ci_control) {
+ table->BootVddci = table->BootVddc;
+ }
+ else {
+ table->BootVddci = data->vbios_boot_state.vddci_bootup_value;
+ }
+ table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value;
+
+ result = iceland_populate_smc_initial_state(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result, "Failed to initialize Boot State!", return result);
+
+ result = iceland_populate_bapm_parameters_in_dpm_table(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result, "Failed to populate BAPM Parameters!", return result);
+
+ table->GraphicsVoltageChangeEnable = 1;
+ table->GraphicsThermThrottleEnable = 1;
+ table->GraphicsInterval = 1;
+ table->VoltageInterval = 1;
+ table->ThermalInterval = 1;
+ table->TemperatureLimitHigh =
+ (data->thermal_temp_setting.temperature_high *
+ ICELAND_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ table->TemperatureLimitLow =
+ (data->thermal_temp_setting.temperature_low *
+ ICELAND_Q88_FORMAT_CONVERSION_UNIT) / PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+ table->MemoryVoltageChangeEnable = 1;
+ table->MemoryInterval = 1;
+ table->VoltageResponseTime = 0;
+ table->PhaseResponseTime = 0;
+ table->MemoryThermThrottleEnable = 1;
+ table->PCIeBootLinkLevel = 0;
+ table->PCIeGenInterval = 1;
+
+ result = iceland_populate_smc_svi2_config(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to populate SVI2 setting!", return result);
+
+ table->ThermGpio = 17;
+ table->SclkStepSize = 0x4000;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcVid);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcPhase);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddciVid);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskMvddVid);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize);
+ CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh);
+ CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow);
+ CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime);
+ CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime);
+
+ table->BootVddc = PP_HOST_TO_SMC_US(table->BootVddc * VOLTAGE_SCALE);
+ table->BootVddci = PP_HOST_TO_SMC_US(table->BootVddci * VOLTAGE_SCALE);
+ table->BootMVdd = PP_HOST_TO_SMC_US(table->BootMVdd * VOLTAGE_SCALE);
+
+ /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */
+ result = iceland_copy_bytes_to_smc(hwmgr->smumgr, data->dpm_table_start +
+ offsetof(SMU71_Discrete_DpmTable, SystemFlags),
+ (uint8_t *)&(table->SystemFlags),
+ sizeof(SMU71_Discrete_DpmTable) - 3 * sizeof(SMU71_PIDController),
+ data->sram_end);
+
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to upload dpm data to SMC memory!", return result);
+
+ /* Upload all ulv setting to SMC memory.(dpm level, dpm level count etc) */
+ result = iceland_copy_bytes_to_smc(hwmgr->smumgr,
+ data->ulv_settings_start,
+ (uint8_t *)&(data->ulv_setting),
+ sizeof(SMU71_Discrete_Ulv),
+ data->sram_end);
+
+#if 0
+ /* Notify SMC to follow new GPIO scheme */
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition)) {
+ if (0 == iceland_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_UseNewGPIOScheme))
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SMCtoPPLIBAcdcGpioScheme);
+ }
+#endif
+
+ return result;
+}
+
+int iceland_populate_mc_reg_address(struct pp_hwmgr *hwmgr, SMU71_Discrete_MCRegisters *mc_reg_table)
+{
+ const struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ uint32_t i, j;
+
+ for (i = 0, j = 0; j < data->iceland_mc_reg_table.last; j++) {
+ if (data->iceland_mc_reg_table.validflag & 1<<j) {
+ PP_ASSERT_WITH_CODE(i < SMU71_DISCRETE_MC_REGISTER_ARRAY_SIZE,
+ "Index of mc_reg_table->address[] array out of boundary", return -1);
+ mc_reg_table->address[i].s0 =
+ PP_HOST_TO_SMC_US(data->iceland_mc_reg_table.mc_reg_address[j].s0);
+ mc_reg_table->address[i].s1 =
+ PP_HOST_TO_SMC_US(data->iceland_mc_reg_table.mc_reg_address[j].s1);
+ i++;
+ }
+ }
+
+ mc_reg_table->last = (uint8_t)i;
+
+ return 0;
+}
+
+/* convert register values from driver to SMC format */
+void iceland_convert_mc_registers(
+ const phw_iceland_mc_reg_entry * pEntry,
+ SMU71_Discrete_MCRegisterSet *pData,
+ uint32_t numEntries, uint32_t validflag)
+{
+ uint32_t i, j;
+
+ for (i = 0, j = 0; j < numEntries; j++) {
+ if (validflag & 1<<j) {
+ pData->value[i] = PP_HOST_TO_SMC_UL(pEntry->mc_data[j]);
+ i++;
+ }
+ }
+}
+
+/* find the entry in the memory range table, then populate the value to SMC's iceland_mc_reg_table */
+int iceland_convert_mc_reg_table_entry_to_smc(
+ struct pp_hwmgr *hwmgr,
+ const uint32_t memory_clock,
+ SMU71_Discrete_MCRegisterSet *mc_reg_table_data
+ )
+{
+ const iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint32_t i = 0;
+
+ for (i = 0; i < data->iceland_mc_reg_table.num_entries; i++) {
+ if (memory_clock <=
+ data->iceland_mc_reg_table.mc_reg_table_entry[i].mclk_max) {
+ break;
+ }
+ }
+
+ if ((i == data->iceland_mc_reg_table.num_entries) && (i > 0))
+ --i;
+
+ iceland_convert_mc_registers(&data->iceland_mc_reg_table.mc_reg_table_entry[i],
+ mc_reg_table_data, data->iceland_mc_reg_table.last, data->iceland_mc_reg_table.validflag);
+
+ return 0;
+}
+
+int iceland_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr,
+ SMU71_Discrete_MCRegisters *mc_reg_table)
+{
+ int result = 0;
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ int res;
+ uint32_t i;
+
+ for (i = 0; i < data->dpm_table.mclk_table.count; i++) {
+ res = iceland_convert_mc_reg_table_entry_to_smc(
+ hwmgr,
+ data->dpm_table.mclk_table.dpm_levels[i].value,
+ &mc_reg_table->data[i]
+ );
+
+ if (0 != res)
+ result = res;
+ }
+
+ return result;
+}
+
+int iceland_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ memset(&data->mc_reg_table, 0x00, sizeof(SMU71_Discrete_MCRegisters));
+ result = iceland_populate_mc_reg_address(hwmgr, &(data->mc_reg_table));
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize MCRegTable for the MC register addresses!", return result;);
+
+ result = iceland_convert_mc_reg_table_to_smc(hwmgr, &data->mc_reg_table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize MCRegTable for driver state!", return result;);
+
+ return iceland_copy_bytes_to_smc(hwmgr->smumgr, data->mc_reg_table_start,
+ (uint8_t *)&data->mc_reg_table, sizeof(SMU71_Discrete_MCRegisters), data->sram_end);
+}
+
+int iceland_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display)
+{
+ PPSMC_Msg msg = has_display? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay;
+
+ return (smum_send_msg_to_smc(hwmgr->smumgr, msg) == 0) ? 0 : -1;
+}
+
+int iceland_enable_sclk_control(struct pp_hwmgr *hwmgr)
+{
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, 0);
+
+ return 0;
+}
+
+int iceland_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* enable SCLK dpm */
+ if (0 == data->sclk_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_DPM_Enable)),
+ "Failed to enable SCLK DPM during DPM Start Function!",
+ return -1);
+ }
+
+ /* enable MCLK dpm */
+ if (0 == data->mclk_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_Enable)),
+ "Failed to enable MCLK DPM during DPM Start Function!",
+ return -1);
+
+ PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC0_CNTL, 0x05);/* CH0,1 read */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC1_CNTL, 0x05);/* CH2,3 read */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_CPL_CNTL, 0x100005);/*Read */
+
+ udelay(10);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC0_CNTL, 0x400005);/* CH0,1 write */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC1_CNTL, 0x400005);/* CH2,3 write */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_CPL_CNTL, 0x500005);/* write */
+
+ }
+
+ return 0;
+}
+
+int iceland_start_dpm(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* enable general power management */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 1);
+ /* enable sclk deep sleep */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 1);
+
+ /* prepare for PCIE DPM */
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_12, VoltageChangeTimeout, 0x1000);
+
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, SWRST_COMMAND_1, RESETLC, 0x0);
+
+#if 0
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_Voltage_Cntl_Enable)),
+ "Failed to enable voltage DPM during DPM Start Function!",
+ return -1);
+#endif
+
+ if (0 != iceland_enable_sclk_mclk_dpm(hwmgr)) {
+ PP_ASSERT_WITH_CODE(0, "Failed to enable Sclk DPM and Mclk DPM!", return -1);
+ }
+
+ /* enable PCIE dpm */
+ if (0 == data->pcie_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_Enable)),
+ "Failed to enable pcie DPM during DPM Start Function!",
+ return -1
+ );
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_Falcon_QuickTransition)) {
+ smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_EnableACDCGPIOInterrupt);
+ }
+
+ return 0;
+}
+
+static void iceland_set_dpm_event_sources(struct pp_hwmgr *hwmgr,
+ uint32_t sources)
+{
+ bool protection;
+ enum DPM_EVENT_SRC src;
+
+ switch (sources) {
+ default:
+ printk(KERN_ERR "Unknown throttling event sources.");
+ /* fall through */
+ case 0:
+ protection = false;
+ /* src is unused */
+ break;
+ case (1 << PHM_AutoThrottleSource_Thermal):
+ protection = true;
+ src = DPM_EVENT_SRC_DIGITAL;
+ break;
+ case (1 << PHM_AutoThrottleSource_External):
+ protection = true;
+ src = DPM_EVENT_SRC_EXTERNAL;
+ break;
+ case (1 << PHM_AutoThrottleSource_External) |
+ (1 << PHM_AutoThrottleSource_Thermal):
+ protection = true;
+ src = DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL;
+ break;
+ }
+ /* Order matters - don't enable thermal protection for the wrong source. */
+ if (protection) {
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_THERMAL_CTRL,
+ DPM_EVENT_SRC, src);
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
+ THERMAL_PROTECTION_DIS,
+ !phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ThermalController));
+ } else
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT,
+ THERMAL_PROTECTION_DIS, 1);
+}
+
+static int iceland_enable_auto_throttle_source(struct pp_hwmgr *hwmgr,
+ PHM_AutoThrottleSource source)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ if (!(data->active_auto_throttle_sources & (1 << source))) {
+ data->active_auto_throttle_sources |= 1 << source;
+ iceland_set_dpm_event_sources(hwmgr, data->active_auto_throttle_sources);
+ }
+ return 0;
+}
+
+static int iceland_enable_thermal_auto_throttle(struct pp_hwmgr *hwmgr)
+{
+ return iceland_enable_auto_throttle_source(hwmgr, PHM_AutoThrottleSource_Thermal);
+}
+
+static int iceland_tf_start_smc(struct pp_hwmgr *hwmgr)
+{
+ int ret = 0;
+
+ if (!iceland_is_smc_ram_running(hwmgr->smumgr))
+ ret = iceland_smu_start_smc(hwmgr->smumgr);
+
+ return ret;
+}
+
+static int iceland_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
+{
+ int tmp_result, result = 0;
+
+ if (cf_iceland_voltage_control(hwmgr)) {
+ tmp_result = iceland_enable_voltage_control(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable voltage control!", return tmp_result);
+
+ tmp_result = iceland_construct_voltage_tables(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to contruct voltage tables!", return tmp_result);
+ }
+
+ tmp_result = iceland_initialize_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize MC reg table!", return tmp_result);
+
+ tmp_result = iceland_program_static_screen_threshold_parameters(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to program static screen threshold parameters!", return tmp_result);
+
+ tmp_result = iceland_enable_display_gap(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable display gap!", return tmp_result);
+
+ tmp_result = iceland_program_voting_clients(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to program voting clients!", return tmp_result);
+
+ tmp_result = iceland_upload_firmware(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to upload firmware header!", return tmp_result);
+
+ tmp_result = iceland_process_firmware_header(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to process firmware header!", return tmp_result);
+
+ tmp_result = iceland_initial_switch_from_arb_f0_to_f1(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize switch from ArbF0 to F1!", return tmp_result);
+
+ tmp_result = iceland_init_smc_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize SMC table!", return tmp_result);
+
+ tmp_result = iceland_populate_initial_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to populate initialize MC Reg table!", return tmp_result);
+
+ tmp_result = iceland_populate_pm_fuses(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to populate PM fuses!", return tmp_result);
+
+ /* start SMC */
+ tmp_result = iceland_tf_start_smc(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to start SMC!", return tmp_result);
+
+ /* enable SCLK control */
+ tmp_result = iceland_enable_sclk_control(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable SCLK control!", return tmp_result);
+
+ /* enable DPM */
+ tmp_result = iceland_start_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to start DPM!", return tmp_result);
+
+ tmp_result = iceland_enable_smc_cac(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable SMC CAC!", return tmp_result);
+
+ tmp_result = iceland_enable_power_containment(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable power containment!", return tmp_result);
+
+ tmp_result = iceland_power_control_set_level(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to power control set level!", result = tmp_result);
+
+ tmp_result = iceland_enable_thermal_auto_throttle(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable thermal auto throttle!", result = tmp_result);
+
+ return result;
+}
+
+static int iceland_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
+{
+ return phm_hwmgr_backend_fini(hwmgr);
+}
+
+static void iceland_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct phw_iceland_ulv_parm *ulv;
+
+ ulv = &data->ulv;
+ ulv->ch_ulv_parameter = PPICELAND_CGULVPARAMETER_DFLT;
+ data->voting_rights_clients0 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT0;
+ data->voting_rights_clients1 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT1;
+ data->voting_rights_clients2 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT2;
+ data->voting_rights_clients3 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT3;
+ data->voting_rights_clients4 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT4;
+ data->voting_rights_clients5 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT5;
+ data->voting_rights_clients6 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT6;
+ data->voting_rights_clients7 = PPICELAND_VOTINGRIGHTSCLIENTS_DFLT7;
+
+ data->static_screen_threshold_unit = PPICELAND_STATICSCREENTHRESHOLDUNIT_DFLT;
+ data->static_screen_threshold = PPICELAND_STATICSCREENTHRESHOLD_DFLT;
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ABM);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_NonABMSupportInPPLib);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DynamicACTiming);
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMemoryTransition);
+
+ iceland_initialize_power_tune_defaults(hwmgr);
+
+ data->mclk_strobe_mode_threshold = 40000;
+ data->mclk_stutter_mode_threshold = 30000;
+ data->mclk_edc_enable_threshold = 40000;
+ data->mclk_edc_wr_enable_threshold = 40000;
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMCLS);
+
+ data->pcie_gen_performance.max = PP_PCIEGen1;
+ data->pcie_gen_performance.min = PP_PCIEGen3;
+ data->pcie_gen_power_saving.max = PP_PCIEGen1;
+ data->pcie_gen_power_saving.min = PP_PCIEGen3;
+
+ data->pcie_lane_performance.max = 0;
+ data->pcie_lane_performance.min = 16;
+ data->pcie_lane_power_saving.max = 0;
+ data->pcie_lane_power_saving.min = 16;
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkThrottleLowNotification);
+}
+
+static int iceland_get_evv_voltage(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+ uint16_t virtual_voltage_id;
+ uint16_t vddc = 0;
+ uint16_t i;
+
+ /* the count indicates actual number of entries */
+ data->vddc_leakage.count = 0;
+ data->vddci_leakage.count = 0;
+
+ if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_EVV)) {
+ pr_err("Iceland should always support EVV\n");
+ return -EINVAL;
+ }
+
+ /* retrieve voltage for leakage ID (0xff01 + i) */
+ for (i = 0; i < ICELAND_MAX_LEAKAGE_COUNT; i++) {
+ virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
+
+ PP_ASSERT_WITH_CODE((0 == atomctrl_get_voltage_evv(hwmgr, virtual_voltage_id, &vddc)),
+ "Error retrieving EVV voltage value!\n", continue);
+
+ if (vddc >= 2000)
+ pr_warning("Invalid VDDC value!\n");
+
+ if (vddc != 0 && vddc != virtual_voltage_id) {
+ data->vddc_leakage.actual_voltage[data->vddc_leakage.count] = vddc;
+ data->vddc_leakage.leakage_id[data->vddc_leakage.count] = virtual_voltage_id;
+ data->vddc_leakage.count++;
+ }
+ }
+
+ return 0;
+}
+
+static void iceland_patch_with_vddc_leakage(struct pp_hwmgr *hwmgr,
+ uint32_t *vddc)
+{
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint32_t leakage_index;
+ struct phw_iceland_leakage_voltage *leakage_table = &data->vddc_leakage;
+
+ /* search for leakage voltage ID 0xff01 ~ 0xff08 */
+ for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
+ /*
+ * If this voltage matches a leakage voltage ID, patch
+ * with actual leakage voltage.
+ */
+ if (leakage_table->leakage_id[leakage_index] == *vddc) {
+ /*
+ * Need to make sure vddc is less than 2v or
+ * else, it could burn the ASIC.
+ */
+ if (leakage_table->actual_voltage[leakage_index] >= 2000)
+ pr_warning("Invalid VDDC value!\n");
+ *vddc = leakage_table->actual_voltage[leakage_index];
+ /* we found leakage voltage */
+ break;
+ }
+ }
+
+ if (*vddc >= ATOM_VIRTUAL_VOLTAGE_ID0)
+ pr_warning("Voltage value looks like a Leakage ID but it's not patched\n");
+}
+
+static void iceland_patch_with_vddci_leakage(struct pp_hwmgr *hwmgr,
+ uint32_t *vddci)
+{
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint32_t leakage_index;
+ struct phw_iceland_leakage_voltage *leakage_table = &data->vddci_leakage;
+
+ /* search for leakage voltage ID 0xff01 ~ 0xff08 */
+ for (leakage_index = 0; leakage_index < leakage_table->count; leakage_index++) {
+ /*
+ * If this voltage matches a leakage voltage ID, patch
+ * with actual leakage voltage.
+ */
+ if (leakage_table->leakage_id[leakage_index] == *vddci) {
+ *vddci = leakage_table->actual_voltage[leakage_index];
+ /* we found leakage voltage */
+ break;
+ }
+ }
+
+ if (*vddci >= ATOM_VIRTUAL_VOLTAGE_ID0)
+ pr_warning("Voltage value looks like a Leakage ID but it's not patched\n");
+}
+
+static int iceland_patch_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+static int iceland_patch_vddci(struct pp_hwmgr *hwmgr,
+ struct phm_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddci_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+static int iceland_patch_vce_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_vce_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+
+static int iceland_patch_uvd_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_uvd_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+static int iceland_patch_vddc_shed_limit(struct pp_hwmgr *hwmgr,
+ struct phm_phase_shedding_limits_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].Voltage);
+
+ return 0;
+}
+
+static int iceland_patch_samu_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_samu_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+static int iceland_patch_acp_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_acp_clock_voltage_dependency_table *tab)
+{
+ uint16_t i;
+
+ if (tab)
+ for (i = 0; i < tab->count; i++)
+ iceland_patch_with_vddc_leakage(hwmgr, &tab->entries[i].v);
+
+ return 0;
+}
+
+static int iceland_patch_limits_vddc(struct pp_hwmgr *hwmgr,
+ struct phm_clock_and_voltage_limits *tab)
+{
+ if (tab) {
+ iceland_patch_with_vddc_leakage(hwmgr, (uint32_t *)&tab->vddc);
+ iceland_patch_with_vddci_leakage(hwmgr, (uint32_t *)&tab->vddci);
+ }
+
+ return 0;
+}
+
+static int iceland_patch_cac_vddc(struct pp_hwmgr *hwmgr, struct phm_cac_leakage_table *tab)
+{
+ uint32_t i;
+ uint32_t vddc;
+
+ if (tab) {
+ for (i = 0; i < tab->count; i++) {
+ vddc = (uint32_t)(tab->entries[i].Vddc);
+ iceland_patch_with_vddc_leakage(hwmgr, &vddc);
+ tab->entries[i].Vddc = (uint16_t)vddc;
+ }
+ }
+
+ return 0;
+}
+
+static int iceland_patch_dependency_tables_with_leakage(struct pp_hwmgr *hwmgr)
+{
+ int tmp;
+
+ tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_sclk);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_mclk);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_vddci(hwmgr, hwmgr->dyn_state.vddci_dependency_on_mclk);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_vce_vddc(hwmgr, hwmgr->dyn_state.vce_clock_voltage_dependency_table);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_uvd_vddc(hwmgr, hwmgr->dyn_state.uvd_clock_voltage_dependency_table);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_samu_vddc(hwmgr, hwmgr->dyn_state.samu_clock_voltage_dependency_table);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_acp_vddc(hwmgr, hwmgr->dyn_state.acp_clock_voltage_dependency_table);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_vddc_shed_limit(hwmgr, hwmgr->dyn_state.vddc_phase_shed_limits_table);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_ac);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_limits_vddc(hwmgr, &hwmgr->dyn_state.max_clock_voltage_on_dc);
+ if(tmp)
+ return -EINVAL;
+
+ tmp = iceland_patch_cac_vddc(hwmgr, hwmgr->dyn_state.cac_leakage_table);
+ if(tmp)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int iceland_set_private_var_based_on_pptale(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ struct phm_clock_voltage_dependency_table *allowed_sclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_sclk;
+ struct phm_clock_voltage_dependency_table *allowed_mclk_vddc_table = hwmgr->dyn_state.vddc_dependency_on_mclk;
+ struct phm_clock_voltage_dependency_table *allowed_mclk_vddci_table = hwmgr->dyn_state.vddci_dependency_on_mclk;
+
+ PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table != NULL,
+ "VDDC dependency on SCLK table is missing. This table is mandatory\n", return -EINVAL);
+ PP_ASSERT_WITH_CODE(allowed_sclk_vddc_table->count >= 1,
+ "VDDC dependency on SCLK table has to have is missing. This table is mandatory\n", return -EINVAL);
+
+ PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table != NULL,
+ "VDDC dependency on MCLK table is missing. This table is mandatory\n", return -EINVAL);
+ PP_ASSERT_WITH_CODE(allowed_mclk_vddc_table->count >= 1,
+ "VDD dependency on MCLK table has to have is missing. This table is mandatory\n", return -EINVAL);
+
+ data->min_vddc_in_pp_table = (uint16_t)allowed_sclk_vddc_table->entries[0].v;
+ data->max_vddc_in_pp_table = (uint16_t)allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
+
+ hwmgr->dyn_state.max_clock_voltage_on_ac.sclk =
+ allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].clk;
+ hwmgr->dyn_state.max_clock_voltage_on_ac.mclk =
+ allowed_mclk_vddc_table->entries[allowed_mclk_vddc_table->count - 1].clk;
+ hwmgr->dyn_state.max_clock_voltage_on_ac.vddc =
+ allowed_sclk_vddc_table->entries[allowed_sclk_vddc_table->count - 1].v;
+
+ if (allowed_mclk_vddci_table != NULL && allowed_mclk_vddci_table->count >= 1) {
+ data->min_vddci_in_pp_table = (uint16_t)allowed_mclk_vddci_table->entries[0].v;
+ data->max_vddci_in_pp_table = (uint16_t)allowed_mclk_vddci_table->entries[allowed_mclk_vddci_table->count - 1].v;
+ }
+
+ if (hwmgr->dyn_state.vddci_dependency_on_mclk != NULL && hwmgr->dyn_state.vddci_dependency_on_mclk->count > 1)
+ hwmgr->dyn_state.max_clock_voltage_on_ac.vddci = hwmgr->dyn_state.vddci_dependency_on_mclk->entries[hwmgr->dyn_state.vddci_dependency_on_mclk->count - 1].v;
+
+ return 0;
+}
+
+static int iceland_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr)
+{
+ uint32_t table_size;
+ struct phm_clock_voltage_dependency_table *table_clk_vlt;
+
+ hwmgr->dyn_state.mclk_sclk_ratio = 4;
+ hwmgr->dyn_state.sclk_mclk_delta = 15000; /* 150 MHz */
+ hwmgr->dyn_state.vddc_vddci_delta = 200; /* 200mV */
+
+ /* initialize vddc_dep_on_dal_pwrl table */
+ table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record);
+ table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == table_clk_vlt) {
+ pr_err("[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n");
+ return -ENOMEM;
+ } else {
+ table_clk_vlt->count = 4;
+ table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW;
+ table_clk_vlt->entries[0].v = 0;
+ table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW;
+ table_clk_vlt->entries[1].v = 720;
+ table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL;
+ table_clk_vlt->entries[2].v = 810;
+ table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE;
+ table_clk_vlt->entries[3].v = 900;
+ hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt;
+ }
+
+ return 0;
+}
+
+/**
+ * Initializes the Volcanic Islands Hardware Manager
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return 1 if success; otherwise appropriate error code.
+ */
+static int iceland_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
+{
+ int result = 0;
+ SMU71_Discrete_DpmTable *table = NULL;
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_gpio_pin_assignment gpio_pin_assignment;
+ bool stay_in_boot;
+ struct phw_iceland_ulv_parm *ulv;
+ struct cgs_system_info sys_info = {0};
+
+ PP_ASSERT_WITH_CODE((NULL != hwmgr),
+ "Invalid Parameter!", return -EINVAL;);
+
+ data->dll_defaule_on = 0;
+ data->sram_end = SMC_RAM_END;
+
+ data->activity_target[0] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[1] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[2] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[3] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[4] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[5] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[6] = PPICELAND_TARGETACTIVITY_DFLT;
+ data->activity_target[7] = PPICELAND_TARGETACTIVITY_DFLT;
+
+ data->mclk_activity_target = PPICELAND_MCLK_TARGETACTIVITY_DFLT;
+
+ data->sclk_dpm_key_disabled = 0;
+ data->mclk_dpm_key_disabled = 0;
+ data->pcie_dpm_key_disabled = 0;
+ data->pcc_monitor_enabled = 0;
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UnTabledHardwareInterface);
+
+ data->gpio_debug = 0;
+ data->engine_clock_data = 0;
+ data->memory_clock_data = 0;
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkDeepSleep);
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkDeepSleepAboveLow);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DynamicPatchPowerState);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface);
+
+ /* Initializes DPM default values. */
+ iceland_initialize_dpm_defaults(hwmgr);
+
+ /* Enable Platform EVV support. */
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EVV);
+
+ /* Get leakage voltage based on leakage ID. */
+ result = iceland_get_evv_voltage(hwmgr);
+ if (result)
+ goto failed;
+
+ /**
+ * Patch our voltage dependency table with actual leakage
+ * voltage. We need to perform leakage translation before it's
+ * used by other functions such as
+ * iceland_set_hwmgr_variables_based_on_pptable.
+ */
+ result = iceland_patch_dependency_tables_with_leakage(hwmgr);
+ if (result)
+ goto failed;
+
+ /* Parse pptable data read from VBIOS. */
+ result = iceland_set_private_var_based_on_pptale(hwmgr);
+ if (result)
+ goto failed;
+
+ /* ULV support */
+ ulv = &(data->ulv);
+ ulv->ulv_supported = 1;
+
+ /* Initalize Dynamic State Adjustment Rule Settings*/
+ result = iceland_initializa_dynamic_state_adjustment_rule_settings(hwmgr);
+ if (result) {
+ pr_err("[ powerplay ] iceland_initializa_dynamic_state_adjustment_rule_settings failed!\n");
+ goto failed;
+ }
+
+ data->voltage_control = ICELAND_VOLTAGE_CONTROL_NONE;
+ data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_NONE;
+ data->mvdd_control = ICELAND_VOLTAGE_CONTROL_NONE;
+
+ /*
+ * Hardcode thermal temperature settings for now, these will
+ * be overwritten if a custom policy exists.
+ */
+ data->thermal_temp_setting.temperature_low = 99500;
+ data->thermal_temp_setting.temperature_high = 100000;
+ data->thermal_temp_setting.temperature_shutdown = 104000;
+ data->uvd_enabled = false;
+
+ table = &data->smc_state_table;
+
+ if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_VRHOT_GPIO_PINID,
+ &gpio_pin_assignment)) {
+ table->VRHotGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_RegulatorHot);
+ } else {
+ table->VRHotGpio = ICELAND_UNUSED_GPIO_PIN;
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_RegulatorHot);
+ }
+
+ if (atomctrl_get_pp_assign_pin(hwmgr, PP_AC_DC_SWITCH_GPIO_PINID,
+ &gpio_pin_assignment)) {
+ table->AcDcGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition);
+ } else {
+ table->AcDcGpio = ICELAND_UNUSED_GPIO_PIN;
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition);
+ }
+
+ /*
+ * If ucGPIO_ID=VDDC_PCC_GPIO_PINID in GPIO_LUTable, Peak.
+ * Current Control feature is enabled and we should program
+ * PCC HW register
+ */
+ if (atomctrl_get_pp_assign_pin(hwmgr, VDDC_PCC_GPIO_PINID,
+ &gpio_pin_assignment)) {
+ uint32_t temp_reg = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC,
+ ixCNB_PWRMGT_CNTL);
+
+ switch (gpio_pin_assignment.uc_gpio_pin_bit_shift) {
+ case 0:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x1);
+ break;
+ case 1:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x2);
+ break;
+ case 2:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW, 0x1);
+ break;
+ case 3:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, FORCE_NB_PS1, 0x1);
+ break;
+ case 4:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, DPM_ENABLED, 0x1);
+ break;
+ default:
+ pr_warning("[ powerplay ] Failed to setup PCC HW register! Wrong GPIO assigned for VDDC_PCC_GPIO_PINID!\n");
+ break;
+ }
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCNB_PWRMGT_CNTL, temp_reg);
+ }
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableSMU7ThermalManagement);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SMU7);
+
+ if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDC,
+ VOLTAGE_OBJ_GPIO_LUT))
+ data->voltage_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO;
+ else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDC,
+ VOLTAGE_OBJ_SVID2))
+ data->voltage_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDCI)) {
+ if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI,
+ VOLTAGE_OBJ_GPIO_LUT))
+ data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO;
+ else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI,
+ VOLTAGE_OBJ_SVID2))
+ data->vdd_ci_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2;
+ }
+
+ if (data->vdd_ci_control == ICELAND_VOLTAGE_CONTROL_NONE)
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDCI);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableMVDDControl)) {
+ if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_MVDDC,
+ VOLTAGE_OBJ_GPIO_LUT))
+ data->mvdd_control = ICELAND_VOLTAGE_CONTROL_BY_GPIO;
+ else if (atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_MVDDC,
+ VOLTAGE_OBJ_SVID2))
+ data->mvdd_control = ICELAND_VOLTAGE_CONTROL_BY_SVID2;
+ }
+
+ if (data->mvdd_control == ICELAND_VOLTAGE_CONTROL_NONE)
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableMVDDControl);
+
+ data->vddc_phase_shed_control = false;
+
+ stay_in_boot = phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_StayInBootState);
+
+ /* iceland doesn't support UVD and VCE */
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UVDPowerGating);
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_VCEPowerGating);
+
+ sys_info.size = sizeof(struct cgs_system_info);
+ sys_info.info_id = CGS_SYSTEM_INFO_PG_FLAGS;
+ result = cgs_query_system_info(hwmgr->device, &sys_info);
+ if (!result) {
+ if (sys_info.value & AMD_PG_SUPPORT_UVD)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UVDPowerGating);
+ if (sys_info.value & AMD_PG_SUPPORT_VCE)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_VCEPowerGating);
+
+ data->is_tlu_enabled = false;
+ hwmgr->platform_descriptor.hardwareActivityPerformanceLevels =
+ ICELAND_MAX_HARDWARE_POWERLEVELS;
+ hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
+ hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
+
+ sys_info.size = sizeof(struct cgs_system_info);
+ sys_info.info_id = CGS_SYSTEM_INFO_PCIE_GEN_INFO;
+ result = cgs_query_system_info(hwmgr->device, &sys_info);
+ if (result)
+ data->pcie_gen_cap = AMDGPU_DEFAULT_PCIE_GEN_MASK;
+ else
+ data->pcie_gen_cap = (uint32_t)sys_info.value;
+ if (data->pcie_gen_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
+ data->pcie_spc_cap = 20;
+ sys_info.size = sizeof(struct cgs_system_info);
+ sys_info.info_id = CGS_SYSTEM_INFO_PCIE_MLW;
+ result = cgs_query_system_info(hwmgr->device, &sys_info);
+ if (result)
+ data->pcie_lane_cap = AMDGPU_DEFAULT_PCIE_MLW_MASK;
+ else
+ data->pcie_lane_cap = (uint32_t)sys_info.value;
+ } else {
+ /* Ignore return value in here, we are cleaning up a mess. */
+ iceland_hwmgr_backend_fini(hwmgr);
+ }
+
+ return 0;
+failed:
+ return result;
+}
+
+static int iceland_get_num_of_entries(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ unsigned long ret = 0;
+
+ result = pp_tables_get_num_of_entries(hwmgr, &ret);
+
+ return result ? 0 : ret;
+}
+
+static const unsigned long PhwIceland_Magic = (unsigned long)(PHM_VIslands_Magic);
+
+struct iceland_power_state *cast_phw_iceland_power_state(
+ struct pp_hw_power_state *hw_ps)
+{
+ if (hw_ps == NULL)
+ return NULL;
+
+ PP_ASSERT_WITH_CODE((PhwIceland_Magic == hw_ps->magic),
+ "Invalid Powerstate Type!",
+ return NULL);
+
+ return (struct iceland_power_state *)hw_ps;
+}
+
+static int iceland_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
+ struct pp_power_state *prequest_ps,
+ const struct pp_power_state *pcurrent_ps)
+{
+ struct iceland_power_state *iceland_ps =
+ cast_phw_iceland_power_state(&prequest_ps->hardware);
+
+ uint32_t sclk;
+ uint32_t mclk;
+ struct PP_Clocks minimum_clocks = {0};
+ bool disable_mclk_switching;
+ bool disable_mclk_switching_for_frame_lock;
+ struct cgs_display_info info = {0};
+ const struct phm_clock_and_voltage_limits *max_limits;
+ uint32_t i;
+ iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ int32_t count;
+ int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0;
+
+ data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label);
+
+ PP_ASSERT_WITH_CODE(iceland_ps->performance_level_count == 2,
+ "VI should always have 2 performance levels",
+ );
+
+ max_limits = (PP_PowerSource_AC == hwmgr->power_source) ?
+ &(hwmgr->dyn_state.max_clock_voltage_on_ac) :
+ &(hwmgr->dyn_state.max_clock_voltage_on_dc);
+
+ if (PP_PowerSource_DC == hwmgr->power_source) {
+ for (i = 0; i < iceland_ps->performance_level_count; i++) {
+ if (iceland_ps->performance_levels[i].memory_clock > max_limits->mclk)
+ iceland_ps->performance_levels[i].memory_clock = max_limits->mclk;
+ if (iceland_ps->performance_levels[i].engine_clock > max_limits->sclk)
+ iceland_ps->performance_levels[i].engine_clock = max_limits->sclk;
+ }
+ }
+
+ iceland_ps->vce_clocks.EVCLK = hwmgr->vce_arbiter.evclk;
+ iceland_ps->vce_clocks.ECCLK = hwmgr->vce_arbiter.ecclk;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
+
+ max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac);
+ stable_pstate_sclk = (max_limits->sclk * 75) / 100;
+
+ for (count = hwmgr->dyn_state.vddc_dependency_on_sclk->count-1; count >= 0; count--) {
+ if (stable_pstate_sclk >= hwmgr->dyn_state.vddc_dependency_on_sclk->entries[count].clk) {
+ stable_pstate_sclk = hwmgr->dyn_state.vddc_dependency_on_sclk->entries[count].clk;
+ break;
+ }
+ }
+
+ if (count < 0)
+ stable_pstate_sclk = hwmgr->dyn_state.vddc_dependency_on_sclk->entries[0].clk;
+
+ stable_pstate_mclk = max_limits->mclk;
+
+ minimum_clocks.engineClock = stable_pstate_sclk;
+ minimum_clocks.memoryClock = stable_pstate_mclk;
+ }
+
+ if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk)
+ minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk;
+
+ if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk)
+ minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk;
+
+ iceland_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold;
+
+ if (0 != hwmgr->gfx_arbiter.sclk_over_drive) {
+ PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.engineClock),
+ "Overdrive sclk exceeds limit",
+ hwmgr->gfx_arbiter.sclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.engineClock);
+
+ if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk)
+ iceland_ps->performance_levels[1].engine_clock = hwmgr->gfx_arbiter.sclk_over_drive;
+ }
+
+ if (0 != hwmgr->gfx_arbiter.mclk_over_drive) {
+ PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.memoryClock),
+ "Overdrive mclk exceeds limit",
+ hwmgr->gfx_arbiter.mclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.memoryClock);
+
+ if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk)
+ iceland_ps->performance_levels[1].memory_clock = hwmgr->gfx_arbiter.mclk_over_drive;
+ }
+
+ disable_mclk_switching_for_frame_lock = phm_cap_enabled(
+ hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);
+
+ disable_mclk_switching = (1 < info.display_count) ||
+ disable_mclk_switching_for_frame_lock;
+
+ sclk = iceland_ps->performance_levels[0].engine_clock;
+ mclk = iceland_ps->performance_levels[0].memory_clock;
+
+ if (disable_mclk_switching)
+ mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].memory_clock;
+
+ if (sclk < minimum_clocks.engineClock)
+ sclk = (minimum_clocks.engineClock > max_limits->sclk) ? max_limits->sclk : minimum_clocks.engineClock;
+
+ if (mclk < minimum_clocks.memoryClock)
+ mclk = (minimum_clocks.memoryClock > max_limits->mclk) ? max_limits->mclk : minimum_clocks.memoryClock;
+
+ iceland_ps->performance_levels[0].engine_clock = sclk;
+ iceland_ps->performance_levels[0].memory_clock = mclk;
+
+ iceland_ps->performance_levels[1].engine_clock =
+ (iceland_ps->performance_levels[1].engine_clock >= iceland_ps->performance_levels[0].engine_clock) ?
+ iceland_ps->performance_levels[1].engine_clock :
+ iceland_ps->performance_levels[0].engine_clock;
+
+ if (disable_mclk_switching) {
+ if (mclk < iceland_ps->performance_levels[1].memory_clock)
+ mclk = iceland_ps->performance_levels[1].memory_clock;
+
+ iceland_ps->performance_levels[0].memory_clock = mclk;
+ iceland_ps->performance_levels[1].memory_clock = mclk;
+ } else {
+ if (iceland_ps->performance_levels[1].memory_clock < iceland_ps->performance_levels[0].memory_clock)
+ iceland_ps->performance_levels[1].memory_clock = iceland_ps->performance_levels[0].memory_clock;
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
+ for (i=0; i < iceland_ps->performance_level_count; i++) {
+ iceland_ps->performance_levels[i].engine_clock = stable_pstate_sclk;
+ iceland_ps->performance_levels[i].memory_clock = stable_pstate_mclk;
+ iceland_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max;
+ iceland_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max;
+ }
+ }
+
+ return 0;
+}
+
+static bool iceland_is_dpm_running(struct pp_hwmgr *hwmgr)
+{
+ /*
+ * We return the status of Voltage Control instead of checking SCLK/MCLK DPM
+ * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM,
+ * whereas voltage control is a fundemental change that will not be disabled
+ */
+ return (0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ FEATURE_STATUS, VOLTAGE_CONTROLLER_ON) ? 1 : 0);
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int iceland_dpm_force_state(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */
+ PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr),
+ "Trying to force SCLK when DPM is disabled", return -1;);
+ if (0 == data->sclk_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ PPSMC_MSG_DPM_ForceState,
+ n) ? 0 : 1);
+
+ return 0;
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int iceland_dpm_force_state_mclk(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */
+ PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr),
+ "Trying to Force MCLK when DPM is disabled", return -1;);
+ if (0 == data->mclk_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_ForceState,
+ n) ? 0 : 1);
+
+ return 0;
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int iceland_dpm_force_state_pcie(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr),
+ "Trying to Force PCIE level when DPM is disabled", return -1;);
+ if (0 == data->pcie_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_ForceLevel,
+ n) ? 0 : 1);
+
+ return 0;
+}
+
+static int iceland_force_dpm_highest(struct pp_hwmgr *hwmgr)
+{
+ uint32_t level, tmp;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->sclk_dpm_key_disabled) {
+ /* SCLK */
+ if (data->dpm_level_enable_mask.sclk_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state(hwmgr, level)),
+ "force highest sclk dpm state failed!", return -1);
+ PHM_WAIT_INDIRECT_FIELD(hwmgr->device,
+ SMC_IND, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX, level);
+ }
+ }
+ }
+
+ if (0 == data->mclk_dpm_key_disabled) {
+ /* MCLK */
+ if (data->dpm_level_enable_mask.mclk_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state_mclk(hwmgr, level)),
+ "force highest mclk dpm state failed!", return -1);
+ PHM_WAIT_INDIRECT_FIELD(hwmgr->device, SMC_IND,
+ TARGET_AND_CURRENT_PROFILE_INDEX, CURR_MCLK_INDEX, level);
+ }
+ }
+ }
+
+ if (0 == data->pcie_dpm_key_disabled) {
+ /* PCIE */
+ if (data->dpm_level_enable_mask.pcie_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state_pcie(hwmgr, level)),
+ "force highest pcie dpm state failed!", return -1);
+ }
+ }
+ }
+
+ return 0;
+}
+
+static uint32_t iceland_get_lowest_enable_level(struct pp_hwmgr *hwmgr,
+ uint32_t level_mask)
+{
+ uint32_t level = 0;
+
+ while (0 == (level_mask & (1 << level)))
+ level++;
+
+ return level;
+}
+
+static int iceland_force_dpm_lowest(struct pp_hwmgr *hwmgr)
+{
+ uint32_t level;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ /* for now force only sclk */
+ if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
+ level = iceland_get_lowest_enable_level(hwmgr,
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask);
+
+ PP_ASSERT_WITH_CODE((0 == iceland_dpm_force_state(hwmgr, level)),
+ "force sclk dpm state failed!", return -1);
+
+ PHM_WAIT_INDIRECT_FIELD(hwmgr->device, SMC_IND,
+ TARGET_AND_CURRENT_PROFILE_INDEX,
+ CURR_SCLK_INDEX,
+ level);
+ }
+
+ return 0;
+}
+
+int iceland_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+#if 0
+ PP_ASSERT_WITH_CODE (0 == iceland_is_dpm_running(hwmgr),
+ "Trying to Unforce DPM when DPM is disabled. Returning without sending SMC message.",
+ return -1);
+#endif
+
+ if (0 == data->sclk_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(
+ hwmgr->smumgr,
+ PPSMC_MSG_NoForcedLevel)),
+ "unforce sclk dpm state failed!",
+ return -1);
+ }
+
+ if (0 == data->pcie_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(
+ hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_NoForcedLevel)),
+ "unforce mclk dpm state failed!",
+ return -1);
+ }
+
+ if (0 == data->pcie_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(
+ hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_UnForceLevel)),
+ "unforce pcie level failed!",
+ return -1);
+ }
+
+ return 0;
+}
+
+static int iceland_force_dpm_level(struct pp_hwmgr *hwmgr,
+ enum amd_dpm_forced_level level)
+{
+ int ret = 0;
+
+ switch (level) {
+ case AMD_DPM_FORCED_LEVEL_HIGH:
+ ret = iceland_force_dpm_highest(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ case AMD_DPM_FORCED_LEVEL_LOW:
+ ret = iceland_force_dpm_lowest(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ case AMD_DPM_FORCED_LEVEL_AUTO:
+ ret = iceland_unforce_dpm_levels(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+
+ hwmgr->dpm_level = level;
+ return ret;
+}
+
+const struct iceland_power_state *cast_const_phw_iceland_power_state(
+ const struct pp_hw_power_state *hw_ps)
+{
+ if (hw_ps == NULL)
+ return NULL;
+
+ PP_ASSERT_WITH_CODE((PhwIceland_Magic == hw_ps->magic),
+ "Invalid Powerstate Type!",
+ return NULL);
+
+ return (const struct iceland_power_state *)hw_ps;
+}
+
+static int iceland_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state);
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *psclk_table = &(data->dpm_table.sclk_table);
+ uint32_t sclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock;
+ struct iceland_single_dpm_table *pmclk_table = &(data->dpm_table.mclk_table);
+ uint32_t mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock;
+ struct PP_Clocks min_clocks = {0};
+ uint32_t i;
+ struct cgs_display_info info = {0};
+
+ data->need_update_smu7_dpm_table = 0;
+
+ for (i = 0; i < psclk_table->count; i++) {
+ if (sclk == psclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= psclk_table->count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
+ else {
+ /*
+ * TODO: Check SCLK in DAL's minimum clocks in case DeepSleep
+ * divider update is required.
+ */
+ if(data->display_timing.min_clock_insr != min_clocks.engineClockInSR)
+ data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
+ }
+
+ for (i = 0; i < pmclk_table->count; i++) {
+ if (mclk == pmclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= pmclk_table->count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ if (data->display_timing.num_existing_displays != info.display_count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;
+
+ return 0;
+}
+
+static uint16_t iceland_get_maximum_link_speed(struct pp_hwmgr *hwmgr, const struct iceland_power_state *hw_ps)
+{
+ uint32_t i;
+ uint32_t pcie_speed, max_speed = 0;
+
+ for (i = 0; i < hw_ps->performance_level_count; i++) {
+ pcie_speed = hw_ps->performance_levels[i].pcie_gen;
+ if (max_speed < pcie_speed)
+ max_speed = pcie_speed;
+ }
+
+ return max_speed;
+}
+
+static uint16_t iceland_get_current_pcie_speed(struct pp_hwmgr *hwmgr)
+{
+ uint32_t speed_cntl = 0;
+
+ speed_cntl = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__PCIE,
+ ixPCIE_LC_SPEED_CNTL);
+ return((uint16_t)PHM_GET_FIELD(speed_cntl,
+ PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE));
+}
+
+
+static int iceland_request_link_speed_change_before_state_change(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ const struct iceland_power_state *iceland_nps = cast_const_phw_iceland_power_state(states->pnew_state);
+ const struct iceland_power_state *iceland_cps = cast_const_phw_iceland_power_state(states->pcurrent_state);
+
+ uint16_t target_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_nps);
+ uint16_t current_link_speed;
+
+ if (data->force_pcie_gen == PP_PCIEGenInvalid)
+ current_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_cps);
+ else
+ current_link_speed = data->force_pcie_gen;
+
+ data->force_pcie_gen = PP_PCIEGenInvalid;
+ data->pspp_notify_required = false;
+ if (target_link_speed > current_link_speed) {
+ switch(target_link_speed) {
+ case PP_PCIEGen3:
+ if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false))
+ break;
+ data->force_pcie_gen = PP_PCIEGen2;
+ if (current_link_speed == PP_PCIEGen2)
+ break;
+ case PP_PCIEGen2:
+ if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false))
+ break;
+ default:
+ data->force_pcie_gen = iceland_get_current_pcie_speed(hwmgr);
+ break;
+ }
+ } else {
+ if (target_link_speed < current_link_speed)
+ data->pspp_notify_required = true;
+ }
+
+ return 0;
+}
+
+static int iceland_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if ((0 == data->sclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {
+ PP_ASSERT_WITH_CODE(
+ 0 == iceland_is_dpm_running(hwmgr),
+ "Trying to freeze SCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_FreezeLevel),
+ "Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ if ((0 == data->mclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ DPMTABLE_OD_UPDATE_MCLK)) {
+ PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr),
+ "Trying to freeze MCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_FreezeLevel),
+ "Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ return 0;
+}
+
+static int iceland_populate_and_upload_sclk_mclk_dpm_levels(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int result = 0;
+
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state);
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint32_t sclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock;
+ uint32_t mclk = iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock;
+ struct iceland_dpm_table *pdpm_table = &data->dpm_table;
+
+ struct iceland_dpm_table *pgolden_dpm_table = &data->golden_dpm_table;
+ uint32_t dpm_count, clock_percent;
+ uint32_t i;
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) {
+ pdpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value = sclk;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {
+ /*
+ * Need to do calculation based on the golden DPM table
+ * as the Heatmap GPU Clock axis is also based on the default values
+ */
+ PP_ASSERT_WITH_CODE(
+ (pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value != 0),
+ "Divide by 0!",
+ return -1);
+ dpm_count = pdpm_table->sclk_table.count < 2 ? 0 : pdpm_table->sclk_table.count-2;
+ for (i = dpm_count; i > 1; i--) {
+ if (sclk > pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value) {
+ clock_percent = ((sclk - pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value)*100) /
+ pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value;
+
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value +
+ (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100;
+
+ } else if (pgolden_dpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value > sclk) {
+ clock_percent = ((pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value - sclk)*100) /
+ pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value;
+
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value -
+ (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100;
+ } else
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value;
+ }
+ }
+ }
+
+ if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) {
+ pdpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value = mclk;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {
+
+ PP_ASSERT_WITH_CODE(
+ (pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value != 0),
+ "Divide by 0!",
+ return -1);
+ dpm_count = pdpm_table->mclk_table.count < 2? 0 : pdpm_table->mclk_table.count-2;
+ for (i = dpm_count; i > 1; i--) {
+ if (mclk > pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value) {
+ clock_percent = ((mclk - pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value)*100) /
+ pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value;
+
+ pdpm_table->mclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->mclk_table.dpm_levels[i].value +
+ (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100;
+
+ } else if (pgolden_dpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value > mclk) {
+ clock_percent = ((pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value - mclk)*100) /
+ pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value;
+
+ pdpm_table->mclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->mclk_table.dpm_levels[i].value -
+ (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100;
+ } else
+ pdpm_table->mclk_table.dpm_levels[i].value = pgolden_dpm_table->mclk_table.dpm_levels[i].value;
+ }
+ }
+ }
+
+
+ if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) {
+ result = iceland_populate_all_graphic_levels(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to populate SCLK during PopulateNewDPMClocksStates Function!",
+ return result);
+ }
+
+ if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) {
+ /*populate MCLK dpm table to SMU7 */
+ result = iceland_populate_all_memory_levels(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to populate MCLK during PopulateNewDPMClocksStates Function!",
+ return result);
+ }
+
+ return result;
+}
+
+static int iceland_trim_single_dpm_states(struct pp_hwmgr *hwmgr,
+ struct iceland_single_dpm_table *pdpm_table,
+ uint32_t low_limit, uint32_t high_limit)
+{
+ uint32_t i;
+
+ for (i = 0; i < pdpm_table->count; i++) {
+ if ((pdpm_table->dpm_levels[i].value < low_limit) ||
+ (pdpm_table->dpm_levels[i].value > high_limit))
+ pdpm_table->dpm_levels[i].enabled = false;
+ else
+ pdpm_table->dpm_levels[i].enabled = true;
+ }
+ return 0;
+}
+
+static int iceland_trim_dpm_states(struct pp_hwmgr *hwmgr, const struct iceland_power_state *hw_state)
+{
+ int result = 0;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ uint32_t high_limit_count;
+
+ PP_ASSERT_WITH_CODE((hw_state->performance_level_count >= 1),
+ "power state did not have any performance level",
+ return -1);
+
+ high_limit_count = (1 == hw_state->performance_level_count) ? 0: 1;
+
+ iceland_trim_single_dpm_states(hwmgr, &(data->dpm_table.sclk_table),
+ hw_state->performance_levels[0].engine_clock,
+ hw_state->performance_levels[high_limit_count].engine_clock);
+
+ iceland_trim_single_dpm_states(hwmgr, &(data->dpm_table.mclk_table),
+ hw_state->performance_levels[0].memory_clock,
+ hw_state->performance_levels[high_limit_count].memory_clock);
+
+ return result;
+}
+
+static int iceland_generate_dpm_level_enable_mask(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int result;
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state);
+
+ result = iceland_trim_dpm_states(hwmgr, iceland_ps);
+ if (0 != result)
+ return result;
+
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table);
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table);
+ data->last_mclk_dpm_enable_mask = data->dpm_level_enable_mask.mclk_dpm_enable_mask;
+ if (data->uvd_enabled && (data->dpm_level_enable_mask.mclk_dpm_enable_mask & 1))
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
+
+ data->dpm_level_enable_mask.pcie_dpm_enable_mask = iceland_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table);
+
+ return 0;
+}
+
+static int iceland_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
+{
+ return 0;
+}
+
+int iceland_update_sclk_threshold(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ int result = 0;
+ uint32_t low_sclk_interrupt_threshold = 0;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkThrottleLowNotification)
+ && (hwmgr->gfx_arbiter.sclk_threshold != data->low_sclk_interrupt_threshold)) {
+ data->low_sclk_interrupt_threshold = hwmgr->gfx_arbiter.sclk_threshold;
+ low_sclk_interrupt_threshold = data->low_sclk_interrupt_threshold;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold);
+
+ result = iceland_copy_bytes_to_smc(
+ hwmgr->smumgr,
+ data->dpm_table_start + offsetof(SMU71_Discrete_DpmTable,
+ LowSclkInterruptThreshold),
+ (uint8_t *)&low_sclk_interrupt_threshold,
+ sizeof(uint32_t),
+ data->sram_end
+ );
+ }
+
+ return result;
+}
+
+static int iceland_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ uint32_t address;
+ int32_t result;
+
+ if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
+ return 0;
+
+
+ memset(&data->mc_reg_table, 0, sizeof(SMU71_Discrete_MCRegisters));
+
+ result = iceland_convert_mc_reg_table_to_smc(hwmgr, &(data->mc_reg_table));
+
+ if(result != 0)
+ return result;
+
+
+ address = data->mc_reg_table_start + (uint32_t)offsetof(SMU71_Discrete_MCRegisters, data[0]);
+
+ return iceland_copy_bytes_to_smc(hwmgr->smumgr, address,
+ (uint8_t *)&data->mc_reg_table.data[0],
+ sizeof(SMU71_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count,
+ data->sram_end);
+}
+
+static int iceland_program_memory_timing_parameters_conditionally(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ if (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK))
+ return iceland_program_memory_timing_parameters(hwmgr);
+
+ return 0;
+}
+
+static int iceland_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if ((0 == data->sclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {
+
+ PP_ASSERT_WITH_CODE(0 == iceland_is_dpm_running(hwmgr),
+ "Trying to Unfreeze SCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_UnfreezeLevel),
+ "Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ if ((0 == data->mclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
+
+ PP_ASSERT_WITH_CODE(
+ 0 == iceland_is_dpm_running(hwmgr),
+ "Trying to Unfreeze MCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_UnfreezeLevel),
+ "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ data->need_update_smu7_dpm_table = 0;
+
+ return 0;
+}
+
+static int iceland_notify_link_speed_change_after_state_change(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ const struct iceland_power_state *iceland_ps = cast_const_phw_iceland_power_state(states->pnew_state);
+ uint16_t target_link_speed = iceland_get_maximum_link_speed(hwmgr, iceland_ps);
+ uint8_t request;
+
+ if (data->pspp_notify_required ||
+ data->pcie_performance_request) {
+ if (target_link_speed == PP_PCIEGen3)
+ request = PCIE_PERF_REQ_GEN3;
+ else if (target_link_speed == PP_PCIEGen2)
+ request = PCIE_PERF_REQ_GEN2;
+ else
+ request = PCIE_PERF_REQ_GEN1;
+
+ if(request == PCIE_PERF_REQ_GEN1 && iceland_get_current_pcie_speed(hwmgr) > 0) {
+ data->pcie_performance_request = false;
+ return 0;
+ }
+
+ if (0 != acpi_pcie_perf_request(hwmgr->device, request, false)) {
+ if (PP_PCIEGen2 == target_link_speed)
+ printk("PSPP request to switch to Gen2 from Gen3 Failed!");
+ else
+ printk("PSPP request to switch to Gen1 from Gen2 Failed!");
+ }
+ }
+
+ data->pcie_performance_request = false;
+ return 0;
+}
+
+int iceland_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
+{
+ PPSMC_Result result;
+ iceland_hwmgr *data = (iceland_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->sclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ if (0 != iceland_is_dpm_running(hwmgr))
+ printk(KERN_ERR "[ powerplay ] Trying to set Enable Sclk Mask when DPM is disabled \n");
+
+ if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
+ result = smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)PPSMC_MSG_SCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Set Sclk Dpm enable Mask failed", return -1);
+ }
+ }
+
+ if (0 == data->mclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ if (0 != iceland_is_dpm_running(hwmgr))
+ printk(KERN_ERR "[ powerplay ] Trying to set Enable Mclk Mask when DPM is disabled \n");
+
+ if (0 != data->dpm_level_enable_mask.mclk_dpm_enable_mask) {
+ result = smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)PPSMC_MSG_MCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Set Mclk Dpm enable Mask failed", return -1);
+ }
+ }
+
+ return 0;
+}
+
+static int iceland_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = iceland_find_dpm_states_clocks_in_dpm_table(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to find DPM states clocks in DPM table!", result = tmp_result);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) {
+ tmp_result = iceland_request_link_speed_change_before_state_change(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to request link speed change before state change!", result = tmp_result);
+ }
+
+ tmp_result = iceland_freeze_sclk_mclk_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to freeze SCLK MCLK DPM!", result = tmp_result);
+
+ tmp_result = iceland_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to populate and upload SCLK MCLK DPM levels!", result = tmp_result);
+
+ tmp_result = iceland_generate_dpm_level_enable_mask(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to generate DPM level enabled mask!", result = tmp_result);
+
+ tmp_result = iceland_update_vce_dpm(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update VCE DPM!", result = tmp_result);
+
+ tmp_result = iceland_update_sclk_threshold(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update SCLK threshold!", result = tmp_result);
+
+ tmp_result = iceland_update_and_upload_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload MC reg table!", result = tmp_result);
+
+ tmp_result = iceland_program_memory_timing_parameters_conditionally(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to program memory timing parameters!", result = tmp_result);
+
+ tmp_result = iceland_unfreeze_sclk_mclk_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to unfreeze SCLK MCLK DPM!", result = tmp_result);
+
+ tmp_result = iceland_upload_dpm_level_enable_mask(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload DPM level enabled mask!", result = tmp_result);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) {
+ tmp_result = iceland_notify_link_speed_change_after_state_change(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to notify link speed change after state change!", result = tmp_result);
+ }
+
+ return result;
+}
+
+static int iceland_get_power_state_size(struct pp_hwmgr *hwmgr)
+{
+ return sizeof(struct iceland_power_state);
+}
+
+static int iceland_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
+{
+ struct pp_power_state *ps;
+ struct iceland_power_state *iceland_ps;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ iceland_ps = cast_phw_iceland_power_state(&ps->hardware);
+
+ if (low)
+ return iceland_ps->performance_levels[0].memory_clock;
+ else
+ return iceland_ps->performance_levels[iceland_ps->performance_level_count-1].memory_clock;
+}
+
+static int iceland_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
+{
+ struct pp_power_state *ps;
+ struct iceland_power_state *iceland_ps;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ iceland_ps = cast_phw_iceland_power_state(&ps->hardware);
+
+ if (low)
+ return iceland_ps->performance_levels[0].engine_clock;
+ else
+ return iceland_ps->performance_levels[iceland_ps->performance_level_count-1].engine_clock;
+}
+
+static int iceland_get_current_pcie_lane_number(
+ struct pp_hwmgr *hwmgr)
+{
+ uint32_t link_width;
+
+ link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__PCIE,
+ PCIE_LC_LINK_WIDTH_CNTL,
+ LC_LINK_WIDTH_RD);
+
+ PP_ASSERT_WITH_CODE((7 >= link_width),
+ "Invalid PCIe lane width!", return 0);
+
+ return decode_pcie_lane_width(link_width);
+}
+
+static int iceland_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
+ struct pp_hw_power_state *hw_ps)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_power_state *ps = (struct iceland_power_state *)hw_ps;
+ ATOM_FIRMWARE_INFO_V2_2 *fw_info;
+ uint16_t size;
+ uint8_t frev, crev;
+ int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
+
+ /* First retrieve the Boot clocks and VDDC from the firmware info table.
+ * We assume here that fw_info is unchanged if this call fails.
+ */
+ fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table(
+ hwmgr->device, index,
+ &size, &frev, &crev);
+ if (!fw_info)
+ /* During a test, there is no firmware info table. */
+ return 0;
+
+ /* Patch the state. */
+ data->vbios_boot_state.sclk_bootup_value = le32_to_cpu(fw_info->ulDefaultEngineClock);
+ data->vbios_boot_state.mclk_bootup_value = le32_to_cpu(fw_info->ulDefaultMemoryClock);
+ data->vbios_boot_state.mvdd_bootup_value = le16_to_cpu(fw_info->usBootUpMVDDCVoltage);
+ data->vbios_boot_state.vddc_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCVoltage);
+ data->vbios_boot_state.vddci_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCIVoltage);
+ data->vbios_boot_state.pcie_gen_bootup_value = iceland_get_current_pcie_speed(hwmgr);
+ data->vbios_boot_state.pcie_lane_bootup_value =
+ (uint16_t)iceland_get_current_pcie_lane_number(hwmgr);
+
+ /* set boot power state */
+ ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value;
+ ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value;
+ ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value;
+ ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value;
+
+ return 0;
+}
+
+static int iceland_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
+ struct pp_hw_power_state *power_state,
+ unsigned int index, const void *clock_info)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_power_state *iceland_power_state = cast_phw_iceland_power_state(power_state);
+ const ATOM_PPLIB_CI_CLOCK_INFO *visland_clk_info = clock_info;
+ struct iceland_performance_level *performance_level;
+ uint32_t engine_clock, memory_clock;
+ uint16_t pcie_gen_from_bios;
+
+ engine_clock = visland_clk_info->ucEngineClockHigh << 16 | visland_clk_info->usEngineClockLow;
+ memory_clock = visland_clk_info->ucMemoryClockHigh << 16 | visland_clk_info->usMemoryClockLow;
+
+ if (!(data->mc_micro_code_feature & DISABLE_MC_LOADMICROCODE) && memory_clock > data->highest_mclk)
+ data->highest_mclk = memory_clock;
+
+ performance_level = &(iceland_power_state->performance_levels
+ [iceland_power_state->performance_level_count++]);
+
+ PP_ASSERT_WITH_CODE(
+ (iceland_power_state->performance_level_count < SMU71_MAX_LEVELS_GRAPHICS),
+ "Performance levels exceeds SMC limit!",
+ return -1);
+
+ PP_ASSERT_WITH_CODE(
+ (iceland_power_state->performance_level_count <=
+ hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
+ "Performance levels exceeds Driver limit!",
+ return -1);
+
+ /* Performance levels are arranged from low to high. */
+ performance_level->memory_clock = memory_clock;
+ performance_level->engine_clock = engine_clock;
+
+ pcie_gen_from_bios = visland_clk_info->ucPCIEGen;
+
+ performance_level->pcie_gen = get_pcie_gen_support(data->pcie_gen_cap, pcie_gen_from_bios);
+ performance_level->pcie_lane = get_pcie_lane_support(data->pcie_lane_cap, visland_clk_info->usPCIELane);
+
+ return 0;
+}
+
+static int iceland_get_pp_table_entry(struct pp_hwmgr *hwmgr,
+ unsigned long entry_index, struct pp_power_state *state)
+{
+ int result;
+ struct iceland_power_state *ps;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct phm_clock_voltage_dependency_table *dep_mclk_table =
+ hwmgr->dyn_state.vddci_dependency_on_mclk;
+
+ memset(&state->hardware, 0x00, sizeof(struct pp_hw_power_state));
+
+ state->hardware.magic = PHM_VIslands_Magic;
+
+ ps = (struct iceland_power_state *)(&state->hardware);
+
+ result = pp_tables_get_entry(hwmgr, entry_index, state,
+ iceland_get_pp_table_entry_callback_func);
+
+ /*
+ * This is the earliest time we have all the dependency table
+ * and the VBIOS boot state as
+ * PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot
+ * state if there is only one VDDCI/MCLK level, check if it's
+ * the same as VBIOS boot state
+ */
+ if (dep_mclk_table != NULL && dep_mclk_table->count == 1) {
+ if (dep_mclk_table->entries[0].clk !=
+ data->vbios_boot_state.mclk_bootup_value)
+ printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table "
+ "does not match VBIOS boot MCLK level");
+ if (dep_mclk_table->entries[0].v !=
+ data->vbios_boot_state.vddci_bootup_value)
+ printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table "
+ "does not match VBIOS boot VDDCI level");
+ }
+
+ /* set DC compatible flag if this state supports DC */
+ if (!state->validation.disallowOnDC)
+ ps->dc_compatible = true;
+
+ if (state->classification.flags & PP_StateClassificationFlag_ACPI)
+ data->acpi_pcie_gen = ps->performance_levels[0].pcie_gen;
+ else if (0 != (state->classification.flags & PP_StateClassificationFlag_Boot)) {
+ if (data->bacos.best_match == 0xffff) {
+ /* For C.I. use boot state as base BACO state */
+ data->bacos.best_match = PP_StateClassificationFlag_Boot;
+ data->bacos.performance_level = ps->performance_levels[0];
+ }
+ }
+
+
+ ps->uvd_clocks.VCLK = state->uvd_clocks.VCLK;
+ ps->uvd_clocks.DCLK = state->uvd_clocks.DCLK;
+
+ if (!result) {
+ uint32_t i;
+
+ switch (state->classification.ui_label) {
+ case PP_StateUILabel_Performance:
+ data->use_pcie_performance_levels = true;
+
+ for (i = 0; i < ps->performance_level_count; i++) {
+ if (data->pcie_gen_performance.max <
+ ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_performance.max =
+ ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_gen_performance.min >
+ ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_performance.min =
+ ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_lane_performance.max <
+ ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_performance.max =
+ ps->performance_levels[i].pcie_lane;
+
+ if (data->pcie_lane_performance.min >
+ ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_performance.min =
+ ps->performance_levels[i].pcie_lane;
+ }
+ break;
+ case PP_StateUILabel_Battery:
+ data->use_pcie_power_saving_levels = true;
+
+ for (i = 0; i < ps->performance_level_count; i++) {
+ if (data->pcie_gen_power_saving.max <
+ ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_power_saving.max =
+ ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_gen_power_saving.min >
+ ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_power_saving.min =
+ ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_lane_power_saving.max <
+ ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_power_saving.max =
+ ps->performance_levels[i].pcie_lane;
+
+ if (data->pcie_lane_power_saving.min >
+ ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_power_saving.min =
+ ps->performance_levels[i].pcie_lane;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
+static void
+iceland_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
+{
+ uint32_t sclk, mclk, activity_percent;
+ uint32_t offset;
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetSclkFrequency));
+
+ sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+
+ smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetMclkFrequency));
+
+ mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n", mclk/100, sclk/100);
+
+ offset = data->soft_regs_start + offsetof(SMU71_SoftRegisters, AverageGraphicsActivity);
+ activity_percent = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, offset);
+ activity_percent += 0x80;
+ activity_percent >>= 8;
+
+ seq_printf(m, "\n [GPU load]: %u%%\n\n", activity_percent > 100 ? 100 : activity_percent);
+
+ seq_printf(m, "uvd %sabled\n", data->uvd_power_gated ? "dis" : "en");
+
+ seq_printf(m, "vce %sabled\n", data->vce_power_gated ? "dis" : "en");
+}
+
+int iceland_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
+{
+ uint32_t num_active_displays = 0;
+ struct cgs_display_info info = {0};
+ info.mode_info = NULL;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ num_active_displays = info.display_count;
+
+ if (num_active_displays > 1) /* to do && (pHwMgr->pPECI->displayConfiguration.bMultiMonitorInSync != TRUE)) */
+ iceland_notify_smc_display_change(hwmgr, false);
+ else
+ iceland_notify_smc_display_change(hwmgr, true);
+
+ return 0;
+}
+
+/**
+* Programs the display gap
+*
+* @param hwmgr the address of the powerplay hardware manager.
+* @return always OK
+*/
+int iceland_program_display_gap(struct pp_hwmgr *hwmgr)
+{
+ uint32_t num_active_displays = 0;
+ uint32_t display_gap = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL);
+ uint32_t display_gap2;
+ uint32_t pre_vbi_time_in_us;
+ uint32_t frame_time_in_us;
+ uint32_t ref_clock;
+ uint32_t refresh_rate = 0;
+ struct cgs_display_info info = {0};
+ struct cgs_mode_info mode_info;
+
+ info.mode_info = &mode_info;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+ num_active_displays = info.display_count;
+
+ display_gap = PHM_SET_FIELD(display_gap, CG_DISPLAY_GAP_CNTL, DISP_GAP, (num_active_displays > 0)? DISPLAY_GAP_VBLANK_OR_WM : DISPLAY_GAP_IGNORE);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL, display_gap);
+
+ ref_clock = mode_info.ref_clock;
+ refresh_rate = mode_info.refresh_rate;
+
+ if(0 == refresh_rate)
+ refresh_rate = 60;
+
+ frame_time_in_us = 1000000 / refresh_rate;
+
+ pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us;
+ display_gap2 = pre_vbi_time_in_us * (ref_clock / 100);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL2, display_gap2);
+
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_4, PreVBlankGap, 0x64);
+
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SOFT_REGISTERS_TABLE_5, VBlankTimeout, (frame_time_in_us - pre_vbi_time_in_us));
+
+ if (num_active_displays == 1)
+ iceland_notify_smc_display_change(hwmgr, true);
+
+ return 0;
+}
+
+int iceland_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
+{
+ iceland_program_display_gap(hwmgr);
+
+ return 0;
+}
+
+/**
+* Set maximum target operating fan output PWM
+*
+* @param pHwMgr: the address of the powerplay hardware manager.
+* @param usMaxFanPwm: max operating fan PWM in percents
+* @return The response that came from the SMC.
+*/
+static int iceland_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm)
+{
+ hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
+
+ if (phm_is_hw_access_blocked(hwmgr))
+ return 0;
+
+ return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm) ? 0 : -1);
+}
+
+/**
+* Set maximum target operating fan output RPM
+*
+* @param pHwMgr: the address of the powerplay hardware manager.
+* @param usMaxFanRpm: max operating fan RPM value.
+* @return The response that came from the SMC.
+*/
+static int iceland_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_fan_pwm)
+{
+ hwmgr->thermal_controller.advanceFanControlParameters.usMaxFanRPM = us_max_fan_pwm;
+
+ if (phm_is_hw_access_blocked(hwmgr))
+ return 0;
+
+ return (0 == smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, PPSMC_MSG_SetFanRpmMax, us_max_fan_pwm) ? 0 : -1);
+}
+
+static int iceland_dpm_set_interrupt_state(void *private_data,
+ unsigned src_id, unsigned type,
+ int enabled)
+{
+ uint32_t cg_thermal_int;
+ struct pp_hwmgr *hwmgr = ((struct pp_eventmgr *)private_data)->hwmgr;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ switch (type) {
+ case AMD_THERMAL_IRQ_LOW_TO_HIGH:
+ if (enabled) {
+ cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT);
+ cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
+ } else {
+ cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT);
+ cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTH_MASK_MASK;
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
+ }
+ break;
+
+ case AMD_THERMAL_IRQ_HIGH_TO_LOW:
+ if (enabled) {
+ cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT);
+ cg_thermal_int |= CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
+ } else {
+ cg_thermal_int = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT);
+ cg_thermal_int &= ~CG_THERMAL_INT_CTRL__THERM_INTL_MASK_MASK;
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_THERMAL_INT, cg_thermal_int);
+ }
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int iceland_register_internal_thermal_interrupt(struct pp_hwmgr *hwmgr,
+ const void *thermal_interrupt_info)
+{
+ int result;
+ const struct pp_interrupt_registration_info *info =
+ (const struct pp_interrupt_registration_info *)thermal_interrupt_info;
+
+ if (info == NULL)
+ return -EINVAL;
+
+ result = cgs_add_irq_source(hwmgr->device, 230, AMD_THERMAL_IRQ_LAST,
+ iceland_dpm_set_interrupt_state,
+ info->call_back, info->context);
+
+ if (result)
+ return -EINVAL;
+
+ result = cgs_add_irq_source(hwmgr->device, 231, AMD_THERMAL_IRQ_LAST,
+ iceland_dpm_set_interrupt_state,
+ info->call_back, info->context);
+
+ if (result)
+ return -EINVAL;
+
+ return 0;
+}
+
+
+static bool iceland_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ bool is_update_required = false;
+ struct cgs_display_info info = {0,0,NULL};
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ if (data->display_timing.num_existing_displays != info.display_count)
+ is_update_required = true;
+/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL
+ if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
+ cgs_get_min_clock_settings(hwmgr->device, &min_clocks);
+ if(min_clocks.engineClockInSR != data->display_timing.minClockInSR)
+ is_update_required = true;
+*/
+ return is_update_required;
+}
+
+
+static inline bool iceland_are_power_levels_equal(const struct iceland_performance_level *pl1,
+ const struct iceland_performance_level *pl2)
+{
+ return ((pl1->memory_clock == pl2->memory_clock) &&
+ (pl1->engine_clock == pl2->engine_clock) &&
+ (pl1->pcie_gen == pl2->pcie_gen) &&
+ (pl1->pcie_lane == pl2->pcie_lane));
+}
+
+int iceland_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1,
+ const struct pp_hw_power_state *pstate2, bool *equal)
+{
+ const struct iceland_power_state *psa = cast_const_phw_iceland_power_state(pstate1);
+ const struct iceland_power_state *psb = cast_const_phw_iceland_power_state(pstate2);
+ int i;
+
+ if (equal == NULL || psa == NULL || psb == NULL)
+ return -EINVAL;
+
+ /* If the two states don't even have the same number of performance levels they cannot be the same state. */
+ if (psa->performance_level_count != psb->performance_level_count) {
+ *equal = false;
+ return 0;
+ }
+
+ for (i = 0; i < psa->performance_level_count; i++) {
+ if (!iceland_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) {
+ /* If we have found even one performance level pair that is different the states are different. */
+ *equal = false;
+ return 0;
+ }
+ }
+
+ /* If all performance levels are the same try to use the UVD clocks to break the tie.*/
+ *equal = ((psa->uvd_clocks.VCLK == psb->uvd_clocks.VCLK) && (psa->uvd_clocks.DCLK == psb->uvd_clocks.DCLK));
+ *equal &= ((psa->vce_clocks.EVCLK == psb->vce_clocks.EVCLK) && (psa->vce_clocks.ECCLK == psb->vce_clocks.ECCLK));
+ *equal &= (psa->sclk_threshold == psb->sclk_threshold);
+ *equal &= (psa->acp_clk == psb->acp_clk);
+
+ return 0;
+}
+
+static int iceland_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode)
+{
+ if (mode) {
+ /* stop auto-manage */
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl))
+ iceland_fan_ctrl_stop_smc_fan_control(hwmgr);
+ iceland_fan_ctrl_set_static_mode(hwmgr, mode);
+ } else
+ /* restart auto-manage */
+ iceland_fan_ctrl_reset_fan_speed_to_default(hwmgr);
+
+ return 0;
+}
+
+static int iceland_get_fan_control_mode(struct pp_hwmgr *hwmgr)
+{
+ if (hwmgr->fan_ctrl_is_in_default_mode)
+ return hwmgr->fan_ctrl_default_mode;
+ else
+ return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ CG_FDO_CTRL2, FDO_PWM_MODE);
+}
+
+static int iceland_force_clock_level(struct pp_hwmgr *hwmgr,
+ enum pp_clock_type type, uint32_t mask)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+
+ if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL)
+ return -EINVAL;
+
+ switch (type) {
+ case PP_SCLK:
+ if (!data->sclk_dpm_key_disabled)
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask & mask);
+ break;
+ case PP_MCLK:
+ if (!data->mclk_dpm_key_disabled)
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask & mask);
+ break;
+ case PP_PCIE:
+ {
+ uint32_t tmp = mask & data->dpm_level_enable_mask.pcie_dpm_enable_mask;
+ uint32_t level = 0;
+
+ while (tmp >>= 1)
+ level++;
+
+ if (!data->pcie_dpm_key_disabled)
+ smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_ForceLevel,
+ level);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int iceland_print_clock_levels(struct pp_hwmgr *hwmgr,
+ enum pp_clock_type type, char *buf)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
+ struct iceland_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
+ struct iceland_single_dpm_table *pcie_table = &(data->dpm_table.pcie_speed_table);
+ int i, now, size = 0;
+ uint32_t clock, pcie_speed;
+
+ switch (type) {
+ case PP_SCLK:
+ smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetSclkFrequency);
+ clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+
+ for (i = 0; i < sclk_table->count; i++) {
+ if (clock > sclk_table->dpm_levels[i].value)
+ continue;
+ break;
+ }
+ now = i;
+
+ for (i = 0; i < sclk_table->count; i++)
+ size += sprintf(buf + size, "%d: %uMhz %s\n",
+ i, sclk_table->dpm_levels[i].value / 100,
+ (i == now) ? "*" : "");
+ break;
+ case PP_MCLK:
+ smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_API_GetMclkFrequency);
+ clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+
+ for (i = 0; i < mclk_table->count; i++) {
+ if (clock > mclk_table->dpm_levels[i].value)
+ continue;
+ break;
+ }
+ now = i;
+
+ for (i = 0; i < mclk_table->count; i++)
+ size += sprintf(buf + size, "%d: %uMhz %s\n",
+ i, mclk_table->dpm_levels[i].value / 100,
+ (i == now) ? "*" : "");
+ break;
+ case PP_PCIE:
+ pcie_speed = iceland_get_current_pcie_speed(hwmgr);
+ for (i = 0; i < pcie_table->count; i++) {
+ if (pcie_speed != pcie_table->dpm_levels[i].value)
+ continue;
+ break;
+ }
+ now = i;
+
+ for (i = 0; i < pcie_table->count; i++)
+ size += sprintf(buf + size, "%d: %s %s\n", i,
+ (pcie_table->dpm_levels[i].value == 0) ? "2.5GB, x8" :
+ (pcie_table->dpm_levels[i].value == 1) ? "5.0GB, x16" :
+ (pcie_table->dpm_levels[i].value == 2) ? "8.0GB, x16" : "",
+ (i == now) ? "*" : "");
+ break;
+ default:
+ break;
+ }
+ return size;
+}
+
+static int iceland_get_sclk_od(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *sclk_table = &(data->dpm_table.sclk_table);
+ struct iceland_single_dpm_table *golden_sclk_table =
+ &(data->golden_dpm_table.sclk_table);
+ int value;
+
+ value = (sclk_table->dpm_levels[sclk_table->count - 1].value -
+ golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value) *
+ 100 /
+ golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;
+
+ return value;
+}
+
+static int iceland_set_sclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *golden_sclk_table =
+ &(data->golden_dpm_table.sclk_table);
+ struct pp_power_state *ps;
+ struct iceland_power_state *iceland_ps;
+
+ if (value > 20)
+ value = 20;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ iceland_ps = cast_phw_iceland_power_state(&ps->hardware);
+
+ iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].engine_clock =
+ golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value *
+ value / 100 +
+ golden_sclk_table->dpm_levels[golden_sclk_table->count - 1].value;
+
+ return 0;
+}
+
+static int iceland_get_mclk_od(struct pp_hwmgr *hwmgr)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *mclk_table = &(data->dpm_table.mclk_table);
+ struct iceland_single_dpm_table *golden_mclk_table =
+ &(data->golden_dpm_table.mclk_table);
+ int value;
+
+ value = (mclk_table->dpm_levels[mclk_table->count - 1].value -
+ golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value) *
+ 100 /
+ golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
+
+ return value;
+}
+
+uint32_t iceland_get_xclk(struct pp_hwmgr *hwmgr)
+{
+ uint32_t reference_clock;
+ uint32_t tc;
+ uint32_t divide;
+
+ ATOM_FIRMWARE_INFO *fw_info;
+ uint16_t size;
+ uint8_t frev, crev;
+ int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
+
+ tc = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK);
+
+ if (tc)
+ return TCLK;
+
+ fw_info = (ATOM_FIRMWARE_INFO *)cgs_atom_get_data_table(hwmgr->device, index,
+ &size, &frev, &crev);
+
+ if (!fw_info)
+ return 0;
+
+ reference_clock = le16_to_cpu(fw_info->usReferenceClock);
+
+ divide = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_CLKPIN_CNTL, XTALIN_DIVIDE);
+
+ if (0 != divide)
+ return reference_clock / 4;
+
+ return reference_clock;
+}
+
+static int iceland_set_mclk_od(struct pp_hwmgr *hwmgr, uint32_t value)
+{
+ struct iceland_hwmgr *data = (struct iceland_hwmgr *)(hwmgr->backend);
+ struct iceland_single_dpm_table *golden_mclk_table =
+ &(data->golden_dpm_table.mclk_table);
+ struct pp_power_state *ps;
+ struct iceland_power_state *iceland_ps;
+
+ if (value > 20)
+ value = 20;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ iceland_ps = cast_phw_iceland_power_state(&ps->hardware);
+
+ iceland_ps->performance_levels[iceland_ps->performance_level_count - 1].memory_clock =
+ golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value *
+ value / 100 +
+ golden_mclk_table->dpm_levels[golden_mclk_table->count - 1].value;
+
+ return 0;
+}
+
+static const struct pp_hwmgr_func iceland_hwmgr_funcs = {
+ .backend_init = &iceland_hwmgr_backend_init,
+ .backend_fini = &iceland_hwmgr_backend_fini,
+ .asic_setup = &iceland_setup_asic_task,
+ .dynamic_state_management_enable = &iceland_enable_dpm_tasks,
+ .apply_state_adjust_rules = iceland_apply_state_adjust_rules,
+ .force_dpm_level = &iceland_force_dpm_level,
+ .power_state_set = iceland_set_power_state_tasks,
+ .get_power_state_size = iceland_get_power_state_size,
+ .get_mclk = iceland_dpm_get_mclk,
+ .get_sclk = iceland_dpm_get_sclk,
+ .patch_boot_state = iceland_dpm_patch_boot_state,
+ .get_pp_table_entry = iceland_get_pp_table_entry,
+ .get_num_of_pp_table_entries = iceland_get_num_of_entries,
+ .print_current_perforce_level = iceland_print_current_perforce_level,
+ .powerdown_uvd = iceland_phm_powerdown_uvd,
+ .powergate_uvd = iceland_phm_powergate_uvd,
+ .powergate_vce = iceland_phm_powergate_vce,
+ .disable_clock_power_gating = iceland_phm_disable_clock_power_gating,
+ .update_clock_gatings = iceland_phm_update_clock_gatings,
+ .notify_smc_display_config_after_ps_adjustment = iceland_notify_smc_display_config_after_ps_adjustment,
+ .display_config_changed = iceland_display_configuration_changed_task,
+ .set_max_fan_pwm_output = iceland_set_max_fan_pwm_output,
+ .set_max_fan_rpm_output = iceland_set_max_fan_rpm_output,
+ .get_temperature = iceland_thermal_get_temperature,
+ .stop_thermal_controller = iceland_thermal_stop_thermal_controller,
+ .get_fan_speed_info = iceland_fan_ctrl_get_fan_speed_info,
+ .get_fan_speed_percent = iceland_fan_ctrl_get_fan_speed_percent,
+ .set_fan_speed_percent = iceland_fan_ctrl_set_fan_speed_percent,
+ .reset_fan_speed_to_default = iceland_fan_ctrl_reset_fan_speed_to_default,
+ .get_fan_speed_rpm = iceland_fan_ctrl_get_fan_speed_rpm,
+ .set_fan_speed_rpm = iceland_fan_ctrl_set_fan_speed_rpm,
+ .uninitialize_thermal_controller = iceland_thermal_ctrl_uninitialize_thermal_controller,
+ .register_internal_thermal_interrupt = iceland_register_internal_thermal_interrupt,
+ .check_smc_update_required_for_display_configuration = iceland_check_smc_update_required_for_display_configuration,
+ .check_states_equal = iceland_check_states_equal,
+ .set_fan_control_mode = iceland_set_fan_control_mode,
+ .get_fan_control_mode = iceland_get_fan_control_mode,
+ .force_clock_level = iceland_force_clock_level,
+ .print_clock_levels = iceland_print_clock_levels,
+ .get_sclk_od = iceland_get_sclk_od,
+ .set_sclk_od = iceland_set_sclk_od,
+ .get_mclk_od = iceland_get_mclk_od,
+ .set_mclk_od = iceland_set_mclk_od,
+};
+
+int iceland_hwmgr_init(struct pp_hwmgr *hwmgr)
+{
+ iceland_hwmgr *data;
+
+ data = kzalloc (sizeof(iceland_hwmgr), GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+ memset(data, 0x00, sizeof(iceland_hwmgr));
+
+ hwmgr->backend = data;
+ hwmgr->hwmgr_func = &iceland_hwmgr_funcs;
+ hwmgr->pptable_func = &pptable_funcs;
+
+ /* thermal */
+ pp_iceland_thermal_initialize(hwmgr);
+ return 0;
+}
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