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path: root/drivers/gpu/drm/radeon/radeon_atombios.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index e4540b2b859c..815116e38aa3 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1461,6 +1461,30 @@ radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
return tv_dac;
}
+static const char *thermal_controller_names[] = {
+ "NONE",
+ "LM63",
+ "ADM1032",
+ "ADM1030",
+ "MUA6649",
+ "LM64",
+ "F75375",
+ "ASC7512",
+};
+
+static const char *pp_lib_thermal_controller_names[] = {
+ "NONE",
+ "LM63",
+ "ADM1032",
+ "ADM1030",
+ "MUA6649",
+ "LM64",
+ "F75375",
+ "RV6xx",
+ "RV770",
+ "ADT7473",
+};
+
union power_info {
struct _ATOM_POWERPLAY_INFO info;
struct _ATOM_POWERPLAY_INFO_V2 info_2;
@@ -1480,6 +1504,7 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
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;
atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
@@ -1489,6 +1514,14 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
if (power_info) {
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;
@@ -1698,6 +1731,24 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev)
}
}
} 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 *)