From c9c0ccae48e27b767e98a4c120976e43195dd3a7 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 8 Feb 2013 09:34:56 +1000 Subject: [PATCH] drm/nouveau/volt: implement voltage control in core Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 3 + .../gpu/drm/nouveau/core/engine/device/nv40.c | 17 ++ .../gpu/drm/nouveau/core/engine/device/nv50.c | 15 ++ .../gpu/drm/nouveau/core/engine/device/nvc0.c | 9 + .../gpu/drm/nouveau/core/engine/device/nve0.c | 6 + .../drm/nouveau/core/include/subdev/volt.h | 60 ++++++ .../gpu/drm/nouveau/core/subdev/volt/base.c | 198 ++++++++++++++++++ .../gpu/drm/nouveau/core/subdev/volt/gpio.c | 96 +++++++++ .../gpu/drm/nouveau/core/subdev/volt/nv40.c | 56 +++++ 9 files changed, 460 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/core/include/subdev/volt.h create mode 100644 drivers/gpu/drm/nouveau/core/subdev/volt/base.c create mode 100644 drivers/gpu/drm/nouveau/core/subdev/volt/gpio.c create mode 100644 drivers/gpu/drm/nouveau/core/subdev/volt/nv40.c diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index 7d6173f1aa9..a6a71663e00 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -162,6 +162,9 @@ nouveau-y += core/subdev/vm/nv41.o nouveau-y += core/subdev/vm/nv44.o nouveau-y += core/subdev/vm/nv50.o nouveau-y += core/subdev/vm/nvc0.o +nouveau-y += core/subdev/volt/base.o +nouveau-y += core/subdev/volt/gpio.o +nouveau-y += core/subdev/volt/nv40.o nouveau-y += core/engine/falcon.o nouveau-y += core/engine/xtensa.o diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nv40.c b/drivers/gpu/drm/nouveau/core/engine/device/nv40.c index 97458cba2be..c8c41e93695 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nv40.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -63,6 +64,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv40_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv04_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -85,6 +87,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv41_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -107,6 +110,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv41_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -129,6 +133,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv41_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -151,6 +156,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv40_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv04_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -173,6 +179,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv47_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -195,6 +202,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv49_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -217,6 +225,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv49_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv41_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -239,6 +248,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv44_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -261,6 +271,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -283,6 +294,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv44_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -305,6 +317,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -327,6 +340,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv4e_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -349,6 +363,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -371,6 +386,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; @@ -393,6 +409,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv40_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv44_vmmgr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv04_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv40_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv10_software_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c index 671a6f4f4d9..cc1b1391d2b 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nv50.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -72,6 +73,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv50_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -96,6 +98,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -123,6 +126,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -150,6 +154,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -177,6 +182,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -204,6 +210,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -231,6 +238,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -258,6 +266,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -285,6 +294,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -312,6 +322,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_INSTMEM] = &nv50_instmem_oclass; device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -340,6 +351,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nva3_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -369,6 +381,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nva3_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -397,6 +410,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nva3_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; @@ -425,6 +439,7 @@ nv50_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nv50_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nv50_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nva3_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nv50_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nv84_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nv50_software_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c index 94d5090d8eb..606598f226f 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nvc0.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -75,6 +76,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -106,6 +108,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -137,6 +140,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -167,6 +171,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -198,6 +203,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -229,6 +235,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -259,6 +266,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvc0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvc0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -290,6 +298,7 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvd0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nvc0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c index f3a7c1b3ea7..4107b67c95e 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nve0.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include @@ -75,6 +76,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvd0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nve0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -107,6 +109,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvd0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nve0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -139,6 +142,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvd0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nve0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -171,6 +175,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nvd0_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; device->oclass[NVDEV_ENGINE_FIFO ] = nve0_fifo_oclass; device->oclass[NVDEV_ENGINE_SW ] = nvc0_software_oclass; @@ -205,6 +210,7 @@ nve0_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_VM ] = &nvc0_vmmgr_oclass; device->oclass[NVDEV_SUBDEV_BAR ] = &nvc0_bar_oclass; device->oclass[NVDEV_SUBDEV_PWR ] = &nv108_pwr_oclass; + device->oclass[NVDEV_SUBDEV_VOLT ] = &nv40_volt_oclass; device->oclass[NVDEV_ENGINE_DMAOBJ ] = &nvd0_dmaeng_oclass; #if 0 device->oclass[NVDEV_ENGINE_FIFO ] = nve0_fifo_oclass; diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/volt.h b/drivers/gpu/drm/nouveau/core/include/subdev/volt.h new file mode 100644 index 00000000000..820b62ffd75 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/subdev/volt.h @@ -0,0 +1,60 @@ +#ifndef __NOUVEAU_VOLT_H__ +#define __NOUVEAU_VOLT_H__ + +#include +#include + +struct nouveau_voltage { + u32 uv; + u8 id; +}; + +struct nouveau_volt { + struct nouveau_subdev base; + + int (*vid_get)(struct nouveau_volt *); + int (*get)(struct nouveau_volt *); + int (*vid_set)(struct nouveau_volt *, u8 vid); + int (*set)(struct nouveau_volt *, u32 uv); + int (*set_id)(struct nouveau_volt *, u8 id, int condition); + + u8 vid_mask; + u8 vid_nr; + struct { + u32 uv; + u8 vid; + } vid[256]; +}; + +static inline struct nouveau_volt * +nouveau_volt(void *obj) +{ + return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_VOLT]; +} + +#define nouveau_volt_create(p, e, o, d) \ + nouveau_volt_create_((p), (e), (o), sizeof(**d), (void **)d) +#define nouveau_volt_destroy(p) ({ \ + struct nouveau_volt *v = (p); \ + _nouveau_volt_dtor(nv_object(v)); \ +}) +#define nouveau_volt_init(p) ({ \ + struct nouveau_volt *v = (p); \ + _nouveau_volt_init(nv_object(v)); \ +}) +#define nouveau_volt_fini(p,s) \ + nouveau_subdev_fini((p), (s)) + +int nouveau_volt_create_(struct nouveau_object *, struct nouveau_object *, + struct nouveau_oclass *, int, void **); +void _nouveau_volt_dtor(struct nouveau_object *); +int _nouveau_volt_init(struct nouveau_object *); +#define _nouveau_volt_fini _nouveau_subdev_fini + +extern struct nouveau_oclass nv40_volt_oclass; + +int nouveau_voltgpio_init(struct nouveau_volt *); +int nouveau_voltgpio_get(struct nouveau_volt *); +int nouveau_voltgpio_set(struct nouveau_volt *, u8); + +#endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/volt/base.c b/drivers/gpu/drm/nouveau/core/subdev/volt/base.c new file mode 100644 index 00000000000..32794a99910 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/volt/base.c @@ -0,0 +1,198 @@ +/* + * Copyright 2013 Red Hat 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. + * + * Authors: Ben Skeggs + */ + +#include + +#include +#include +#include + +static int +nouveau_volt_get(struct nouveau_volt *volt) +{ + if (volt->vid_get) { + int ret = volt->vid_get(volt), i; + if (ret >= 0) { + for (i = 0; i < volt->vid_nr; i++) { + if (volt->vid[i].vid == ret) + return volt->vid[i].uv; + } + ret = -EINVAL; + } + return ret; + } + return -ENODEV; +} + +static int +nouveau_volt_set(struct nouveau_volt *volt, u32 uv) +{ + if (volt->vid_set) { + int i, ret = -EINVAL; + for (i = 0; i < volt->vid_nr; i++) { + if (volt->vid[i].uv == uv) { + ret = volt->vid_set(volt, volt->vid[i].vid); + nv_debug(volt, "set %duv: %d\n", uv, ret); + break; + } + } + return ret; + } + return -ENODEV; +} + +static int +nouveau_volt_map(struct nouveau_volt *volt, u8 id) +{ + struct nouveau_bios *bios = nouveau_bios(volt); + struct nvbios_vmap_entry info; + u8 ver, len; + u16 vmap; + + vmap = nvbios_vmap_entry_parse(bios, id, &ver, &len, &info); + if (vmap) { + if (info.link != 0xff) { + int ret = nouveau_volt_map(volt, info.link); + if (ret < 0) + return ret; + info.min += ret; + } + return info.min; + } + + return id ? id * 10000 : -ENODEV; +} + +static int +nouveau_volt_set_id(struct nouveau_volt *volt, u8 id, int condition) +{ + int ret = nouveau_volt_map(volt, id); + if (ret >= 0) { + int prev = nouveau_volt_get(volt); + if (!condition || prev < 0 || + (condition < 0 && ret < prev) || + (condition > 0 && ret > prev)) { + ret = nouveau_volt_set(volt, ret); + } else { + ret = 0; + } + } + return ret; +} + +int +_nouveau_volt_init(struct nouveau_object *object) +{ + struct nouveau_volt *volt = (void *)object; + int ret; + + ret = nouveau_subdev_init(&volt->base); + if (ret) + return ret; + + ret = volt->get(volt); + if (ret < 0) { + if (ret != -ENODEV) + nv_debug(volt, "current voltage unknown\n"); + return 0; + } + + nv_info(volt, "GPU voltage: %duv\n", ret); + return 0; +} + +void +_nouveau_volt_dtor(struct nouveau_object *object) +{ + struct nouveau_volt *volt = (void *)object; + nouveau_subdev_destroy(&volt->base); +} + +int +nouveau_volt_create_(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, int length, void **pobject) +{ + struct nouveau_bios *bios = nouveau_bios(parent); + struct nouveau_volt *volt; + struct nvbios_volt_entry ivid; + struct nvbios_volt info; + u8 ver, hdr, cnt, len; + u16 data; + int ret, i; + + ret = nouveau_subdev_create_(parent, engine, oclass, 0, "VOLT", + "voltage", length, pobject); + volt = *pobject; + if (ret) + return ret; + + volt->get = nouveau_volt_get; + volt->set = nouveau_volt_set; + volt->set_id = nouveau_volt_set_id; + + data = nvbios_volt_parse(bios, &ver, &hdr, &cnt, &len, &info); + if (data && info.vidmask && info.base && info.step) { + for (i = 0; i < info.vidmask + 1; i++) { + if (info.base >= info.min && + info.base <= info.max) { + volt->vid[volt->vid_nr].uv = info.base; + volt->vid[volt->vid_nr].vid = i; + volt->vid_nr++; + } + info.base += info.step; + } + volt->vid_mask = info.vidmask; + } else + if (data && info.vidmask) { + for (i = 0; i < cnt; i++) { + data = nvbios_volt_entry_parse(bios, i, &ver, &hdr, + &ivid); + if (data) { + volt->vid[volt->vid_nr].uv = ivid.voltage; + volt->vid[volt->vid_nr].vid = ivid.vid; + volt->vid_nr++; + } + } + volt->vid_mask = info.vidmask; + } + + if (volt->vid_nr) { + for (i = 0; i < volt->vid_nr; i++) { + nv_debug(volt, "VID %02x: %duv\n", + volt->vid[i].vid, volt->vid[i].uv); + } + + /*XXX: this is an assumption.. there probably exists boards + * out there with i2c-connected voltage controllers too.. + */ + ret = nouveau_voltgpio_init(volt); + if (ret == 0) { + volt->vid_get = nouveau_voltgpio_get; + volt->vid_set = nouveau_voltgpio_set; + } + } + + return ret; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/volt/gpio.c b/drivers/gpu/drm/nouveau/core/subdev/volt/gpio.c new file mode 100644 index 00000000000..755fa91bcd0 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/volt/gpio.c @@ -0,0 +1,96 @@ +/* + * Copyright 2013 Red Hat 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. + * + * Authors: Ben Skeggs + */ + +#include +#include +#include + +static const u8 tags[] = { + DCB_GPIO_VID0, DCB_GPIO_VID1, DCB_GPIO_VID2, DCB_GPIO_VID3, + DCB_GPIO_VID4, DCB_GPIO_VID5, DCB_GPIO_VID6, DCB_GPIO_VID7, +}; + +int +nouveau_voltgpio_get(struct nouveau_volt *volt) +{ + struct nouveau_gpio *gpio = nouveau_gpio(volt); + u8 vid = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(tags); i++) { + if (volt->vid_mask & (1 << i)) { + int ret = gpio->get(gpio, 0, tags[i], 0xff); + if (ret < 0) + return ret; + vid |= ret << i; + } + } + + return vid; +} + +int +nouveau_voltgpio_set(struct nouveau_volt *volt, u8 vid) +{ + struct nouveau_gpio *gpio = nouveau_gpio(volt); + int i; + + for (i = 0; i < ARRAY_SIZE(tags); i++, vid >>= 1) { + if (volt->vid_mask & (1 << i)) { + int ret = gpio->set(gpio, 0, tags[i], 0xff, vid & 1); + if (ret < 0) + return ret; + } + } + + return 0; +} + +int +nouveau_voltgpio_init(struct nouveau_volt *volt) +{ + struct nouveau_gpio *gpio = nouveau_gpio(volt); + struct dcb_gpio_func func; + int i; + + /* check we have gpio function info for each vid bit. on some + * boards (ie. nvs295) the vid mask has more bits than there + * are valid gpio functions... from traces, nvidia appear to + * just touch the existing ones, so let's mask off the invalid + * bits and continue with life + */ + for (i = 0; i < ARRAY_SIZE(tags); i++) { + if (volt->vid_mask & (1 << i)) { + int ret = gpio->find(gpio, 0, tags[i], 0xff, &func); + if (ret) { + if (ret != -ENOENT) + return ret; + nv_debug(volt, "VID bit %d has no GPIO\n", i); + volt->vid_mask &= ~(1 << i); + } + } + } + + return 0; +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/volt/nv40.c b/drivers/gpu/drm/nouveau/core/subdev/volt/nv40.c new file mode 100644 index 00000000000..87d5358376a --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/volt/nv40.c @@ -0,0 +1,56 @@ +/* + * Copyright 2013 Red Hat 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. + * + * Authors: Ben Skeggs + */ + +#include + +struct nv40_volt_priv { + struct nouveau_volt base; +}; + +static int +nv40_volt_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv40_volt_priv *priv; + int ret; + + ret = nouveau_volt_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + return 0; +} + +struct nouveau_oclass +nv40_volt_oclass = { + .handle = NV_SUBDEV(VOLT, 0x40), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv40_volt_ctor, + .dtor = _nouveau_volt_dtor, + .init = _nouveau_volt_init, + .fini = _nouveau_volt_fini, + }, +}; -- 2.41.0