From 29fb52ca78b4e265ec6c626b0c7b2927953949cf Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 11 Mar 2010 10:01:17 -0500 Subject: [PATCH] drm/radeon/kms: expose thermal/fan i2c buses Look up i2c bus in the power table and expose it. You'll need to load a hwmon driver for any chips on the bus, this patch just exposes the bus. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 1 + drivers/gpu/drm/radeon/r100.c | 1 + drivers/gpu/drm/radeon/r300.c | 1 + drivers/gpu/drm/radeon/r420.c | 1 + drivers/gpu/drm/radeon/r600.c | 1 + drivers/gpu/drm/radeon/radeon.h | 2 ++ drivers/gpu/drm/radeon/radeon_atombios.c | 51 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/radeon/radeon_pm.c | 6 ++++ drivers/gpu/drm/radeon/rs400.c | 1 + drivers/gpu/drm/radeon/rs600.c | 1 + drivers/gpu/drm/radeon/rs690.c | 1 + drivers/gpu/drm/radeon/rv515.c | 1 + drivers/gpu/drm/radeon/rv770.c | 1 + 13 files changed, 69 insertions(+) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 9d6283e..db78d93 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -747,6 +747,7 @@ int evergreen_init(struct radeon_device *rdev) void evergreen_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); evergreen_suspend(rdev); #if 0 r600_blit_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index ea5ebfe..9d634c8 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -3443,6 +3443,7 @@ int r100_suspend(struct radeon_device *rdev) void r100_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 1042cea..6d75f81 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -1335,6 +1335,7 @@ int r300_suspend(struct radeon_device *rdev) void r300_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 2ab35ff..0b8603c 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -267,6 +267,7 @@ int r420_suspend(struct radeon_device *rdev) void r420_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 5b00d5e..5aee7fe 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2120,6 +2120,7 @@ int r600_init(struct radeon_device *rdev) void r600_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r600_audio_fini(rdev); r600_blit_fini(rdev); r600_cp_fini(rdev); diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index bd63f53..46bfff9 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -168,6 +168,7 @@ struct radeon_clock { * Power management */ int radeon_pm_init(struct radeon_device *rdev); +void radeon_pm_fini(struct radeon_device *rdev); void radeon_pm_compute_clocks(struct radeon_device *rdev); void radeon_combios_get_power_modes(struct radeon_device *rdev); void radeon_atombios_get_power_modes(struct radeon_device *rdev); @@ -708,6 +709,7 @@ struct radeon_pm { struct radeon_power_state *requested_power_state; struct radeon_pm_clock_info *requested_clock_mode; struct radeon_power_state *default_power_state; + struct radeon_i2c_chan *i2c_bus; }; diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index e4540b2..815116e 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 *) diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 4f37b52..6458d52 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -257,6 +257,12 @@ int radeon_pm_init(struct radeon_device *rdev) return 0; } +void radeon_pm_fini(struct radeon_device *rdev) +{ + if (rdev->pm.i2c_bus) + radeon_i2c_destroy(rdev->pm.i2c_bus); +} + void radeon_pm_compute_clocks(struct radeon_device *rdev) { struct drm_device *ddev = rdev->ddev; diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c index 1240e7d..850a90c 100644 --- a/drivers/gpu/drm/radeon/rs400.c +++ b/drivers/gpu/drm/radeon/rs400.c @@ -454,6 +454,7 @@ int rs400_suspend(struct radeon_device *rdev) void rs400_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index e3410c9..3630c16 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -601,6 +601,7 @@ int rs600_suspend(struct radeon_device *rdev) void rs600_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index c39cb50..6c92ae3 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -658,6 +658,7 @@ int rs690_suspend(struct radeon_device *rdev) void rs690_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 26108b4..f85499f 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -540,6 +540,7 @@ void rv515_set_safe_registers(struct radeon_device *rdev) void rv515_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r100_cp_fini(rdev); r100_wb_fini(rdev); r100_ib_fini(rdev); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 1484d06..2f917db 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -1165,6 +1165,7 @@ int rv770_init(struct radeon_device *rdev) void rv770_fini(struct radeon_device *rdev) { + radeon_pm_fini(rdev); r600_blit_fini(rdev); r600_cp_fini(rdev); r600_wb_fini(rdev); -- 1.8.2.3