+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+ u16 data_offset;
+ u8 frev, crev;
+ u32 misc, misc2 = 0, sclk, mclk;
+ union power_info *power_info;
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+ struct _ATOM_PPLIB_STATE *power_state;
+ int num_modes = 0, i, j;
+ int state_index = 0, mode_index = 0;
+ struct radeon_i2c_bus_rec i2c_bus;
+
+ rdev->pm.default_power_state_index = -1;
+
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+ if (frev < 4) {
+ /* add the i2c bus for thermal/fan chip */
+ if (power_info->info.ucOverdriveThermalController > 0) {
+ DRM_INFO("Possible %s thermal controller at 0x%02x\n",
+ thermal_controller_names[power_info->info.ucOverdriveThermalController],
+ power_info->info.ucOverdriveControllerAddress >> 1);
+ i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
+ rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+ if (rdev->pm.i2c_bus) {
+ struct i2c_board_info info = { };
+ const char *name = thermal_controller_names[power_info->info.
+ ucOverdriveThermalController];
+ info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
+ strlcpy(info.type, name, sizeof(info.type));
+ i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ }
+ }
+ num_modes = power_info->info.ucNumOfPowerModeEntries;
+ if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
+ num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+ /* last mode is usually default, array is low to high */
+ for (i = 0; i < num_modes; i++) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+ switch (frev) {
+ case 1:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ rdev->pm.power_state[state_index].pcie_lanes =
+ power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
+ }
+ rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ rdev->pm.power_state[state_index].misc = misc;
+ /* order matters! */
+ if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_POWERSAVE;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_PERFORMANCE;
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ }
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state_index = state_index;
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ } else if (state_index == 0) {
+ rdev->pm.power_state[state_index].clock_info[0].flags |=
+ RADEON_PM_MODE_NO_DISPLAY;
+ }
+ state_index++;
+ break;
+ case 2:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ rdev->pm.power_state[state_index].pcie_lanes =
+ power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
+ misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
+ }
+ rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ rdev->pm.power_state[state_index].misc = misc;
+ rdev->pm.power_state[state_index].misc2 = misc2;
+ /* order matters! */
+ if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_POWERSAVE;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_PERFORMANCE;
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ }
+ if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ if (misc2 & ATOM_PM_MISCINFO2_MULTI_DISPLAY_SUPPORT)
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state_index = state_index;
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ } else if (state_index == 0) {
+ rdev->pm.power_state[state_index].clock_info[0].flags |=
+ RADEON_PM_MODE_NO_DISPLAY;
+ }
+ state_index++;
+ break;
+ case 3:
+ rdev->pm.power_state[state_index].num_clock_modes = 1;
+ rdev->pm.power_state[state_index].clock_info[0].mclk =
+ le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
+ rdev->pm.power_state[state_index].clock_info[0].sclk =
+ le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+ continue;
+ rdev->pm.power_state[state_index].pcie_lanes =
+ power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
+ misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
+ misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
+ if ((misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) ||
+ (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_GPIO;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+ radeon_lookup_gpio(rdev,
+ power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
+ if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ true;
+ else
+ rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+ false;
+ } else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+ VOLTAGE_VDDC;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+ power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
+ if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
+ true;
+ rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
+ power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
+ }
+ }
+ rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ rdev->pm.power_state[state_index].misc = misc;
+ rdev->pm.power_state[state_index].misc2 = misc2;
+ /* order matters! */
+ if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_POWERSAVE;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_PERFORMANCE;
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ }
+ if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state_index = state_index;
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ } else if (state_index == 0) {
+ rdev->pm.power_state[state_index].clock_info[0].flags |=
+ RADEON_PM_MODE_NO_DISPLAY;
+ }
+ state_index++;
+ break;
+ }
+ }
+ /* last mode is usually default */
+ if (rdev->pm.default_power_state_index == -1) {
+ rdev->pm.power_state[state_index - 1].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state_index = state_index - 1;
+ rdev->pm.power_state[state_index - 1].default_clock_mode =
+ &rdev->pm.power_state[state_index - 1].clock_info[0];
+ rdev->pm.power_state[state_index].flags &=
+ ~RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
+ rdev->pm.power_state[state_index].misc = 0;
+ rdev->pm.power_state[state_index].misc2 = 0;
+ }
+ } else {
+ int fw_index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
+ uint8_t fw_frev, fw_crev;
+ uint16_t fw_data_offset, vddc = 0;
+ union firmware_info *firmware_info;
+ ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController;
+
+ if (atom_parse_data_header(mode_info->atom_context, fw_index, NULL,
+ &fw_frev, &fw_crev, &fw_data_offset)) {
+ firmware_info =
+ (union firmware_info *)(mode_info->atom_context->bios +
+ fw_data_offset);
+ vddc = firmware_info->info_14.usBootUpVDDCVoltage;
+ }