+ 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 = NULL;
+
+ 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");
+ }
+ num_modes = power_info->info.ucNumOfPowerModeEntries;
+ if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
+ num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+ 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;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.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) {
+ 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;
+ }
+ /* 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;
+ if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ 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;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.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) {
+ 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;
+ }
+ /* 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;
+ 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 = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ 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;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+ rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+ (rdev->pm.power_state[state_index].clock_info[0].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+ continue;
+ rdev->pm.power_state[state_index].non_clock_info.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) {
+ 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;
+ }
+ }
+ /* 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;
+ 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 = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[0];
+ }
+ state_index++;
+ break;
+ }
+ }
+ } else if (frev == 4) {
+ /* add the i2c bus for thermal/fan chip */
+ /* no support for internal controller yet */
+ if (power_info->info_4.sThermalController.ucType > 0) {
+ if ((power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
+ (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770)) {
+ DRM_INFO("Internal thermal controller %s fan control\n",
+ (power_info->info_4.sThermalController.ucFanParameters &
+ ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+ } else {
+ DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
+ pp_lib_thermal_controller_names[power_info->info_4.sThermalController.ucType],
+ power_info->info_4.sThermalController.ucI2cAddress >> 1,
+ (power_info->info_4.sThermalController.ucFanParameters &
+ ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+ i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info_4.sThermalController.ucI2cLine);
+ rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+ }
+ }
+ for (i = 0; i < power_info->info_4.ucNumStates; i++) {
+ mode_index = 0;
+ power_state = (struct _ATOM_PPLIB_STATE *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usStateArrayOffset) +
+ i * power_info->info_4.ucStateEntrySize);
+ non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usNonClockInfoArrayOffset) +
+ (power_state->ucNonClockStateIndex *
+ power_info->info_4.ucNonClockSize));
+ for (j = 0; j < (power_info->info_4.ucStateEntrySize - 1); j++) {
+ if (rdev->flags & RADEON_IS_IGP) {
+ struct _ATOM_PPLIB_RS780_CLOCK_INFO *clock_info =
+ (struct _ATOM_PPLIB_RS780_CLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+ (power_state->ucClockStateIndices[j] *
+ power_info->info_4.ucClockInfoSize));
+ sclk = le16_to_cpu(clock_info->usLowEngineClockLow);
+ sclk |= clock_info->ucLowEngineClockHigh << 16;
+ rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+ /* skip invalid modes */
+ if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
+ continue;
+ /* skip overclock modes for now */
+ if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN)
+ continue;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+ VOLTAGE_SW;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+ clock_info->usVDDC;
+ mode_index++;
+ } else {
+ struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
+ (struct _ATOM_PPLIB_R600_CLOCK_INFO *)
+ (mode_info->atom_context->bios +
+ data_offset +
+ le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+ (power_state->ucClockStateIndices[j] *
+ power_info->info_4.ucClockInfoSize));
+ sclk = le16_to_cpu(clock_info->usEngineClockLow);
+ sclk |= clock_info->ucEngineClockHigh << 16;
+ mclk = le16_to_cpu(clock_info->usMemoryClockLow);
+ mclk |= clock_info->ucMemoryClockHigh << 16;
+ rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
+ rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+ /* skip invalid modes */
+ if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
+ (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
+ continue;
+ /* skip overclock modes for now */
+ if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
+ rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+ (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+ rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+ continue;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+ VOLTAGE_SW;
+ rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+ clock_info->usVDDC;
+ mode_index++;
+ }
+ }
+ rdev->pm.power_state[state_index].num_clock_modes = mode_index;
+ if (mode_index) {
+ misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+ misc2 = le16_to_cpu(non_clock_info->usClassification);
+ rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+ ((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
+ ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+ switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
+ case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BATTERY;
+ break;
+ case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_BALANCED;
+ break;
+ case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_PERFORMANCE;
+ break;
+ }
+ if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+ rdev->pm.power_state[state_index].type =
+ POWER_STATE_TYPE_DEFAULT;
+ rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+ rdev->pm.power_state[state_index].default_clock_mode =
+ &rdev->pm.power_state[state_index].clock_info[mode_index - 1];
+ }
+ state_index++;
+ }
+ }
+ }
+ } else {
+ /* XXX figure out some good default low power mode for cards w/out power tables */
+ }