i2c: convert to new-style nvkm_subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

23 files changed, 200 insertions, 327 deletions

diff --git a/drm/nouveau/include/nvif/device.h b/drm/nouveau/include/nvif/device.h
index 6cc9c658..66d1bc23 100644
--- a/drm/nouveau/include/nvif/device.h
+++ b/drm/nouveau/include/nvif/device.h
@@ -56,7 +56,7 @@ u64  nvif_device_time(struct nvif_device *);
 #define nvxx_bar(a) nvxx_device(a)->bar
 #define nvxx_gpio(a) nvxx_device(a)->gpio
 #define nvxx_clk(a) nvxx_device(a)->clk
-#define nvxx_i2c(a) nvkm_i2c(nvxx_device(a))
+#define nvxx_i2c(a) nvxx_device(a)->i2c
 #define nvxx_therm(a) nvkm_therm(nvxx_device(a))
 
 #include <core/device.h>
diff --git a/drm/nouveau/include/nvkm/subdev/i2c.h b/drm/nouveau/include/nvkm/subdev/i2c.h
index ddc7e6e4..6b6224db 100644
--- a/drm/nouveau/include/nvkm/subdev/i2c.h
+++ b/drm/nouveau/include/nvkm/subdev/i2c.h
@@ -69,31 +69,27 @@ int nvkm_i2c_aux_lnk_ctl(struct nvkm_i2c_aux *, int link_nr, int link_bw,
 			 bool enhanced_framing);
 
 struct nvkm_i2c {
+	const struct nvkm_i2c_func *func;
 	struct nvkm_subdev subdev;
-	struct nvkm_event event;
 
 	struct list_head pad;
 	struct list_head bus;
 	struct list_head aux;
+
+	struct nvkm_event event;
 };
 
 struct nvkm_i2c_bus *nvkm_i2c_bus_find(struct nvkm_i2c *, int);
 struct nvkm_i2c_aux *nvkm_i2c_aux_find(struct nvkm_i2c *, int);
 
-static inline struct nvkm_i2c *
-nvkm_i2c(void *obj)
-{
-	return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_I2C);
-}
-
-extern struct nvkm_oclass *nv04_i2c_oclass;
-extern struct nvkm_oclass *nv4e_i2c_oclass;
-extern struct nvkm_oclass *nv50_i2c_oclass;
-extern struct nvkm_oclass *g94_i2c_oclass;
-extern struct nvkm_oclass *gf110_i2c_oclass;
-extern struct nvkm_oclass *gf117_i2c_oclass;
-extern struct nvkm_oclass *gk104_i2c_oclass;
-extern struct nvkm_oclass *gm204_i2c_oclass;
+int nv04_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int nv4e_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int nv50_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int g94_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int gf117_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int gf119_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int gk104_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
+int gm204_i2c_new(struct nvkm_device *, int, struct nvkm_i2c **);
 
 static inline int
 nvkm_rdi2cr(struct i2c_adapter *adap, u8 addr, u8 reg)
diff --git a/drm/nouveau/nvkm/engine/device/base.c b/drm/nouveau/nvkm/engine/device/base.c
index 3caaa9ca..4c314961 100644
--- a/drm/nouveau/nvkm/engine/device/base.c
+++ b/drm/nouveau/nvkm/engine/device/base.c
@@ -81,7 +81,7 @@ nv4_chipset = {
 	.clk = nv04_clk_new,
 	.devinit = nv04_devinit_new,
 	.fb = nv04_fb_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -101,7 +101,7 @@ nv5_chipset = {
 	.clk = nv04_clk_new,
 	.devinit = nv05_devinit_new,
 	.fb = nv04_fb_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -122,7 +122,7 @@ nv10_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -141,7 +141,7 @@ nv11_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -162,7 +162,7 @@ nv15_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -183,7 +183,7 @@ nv17_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -204,7 +204,7 @@ nv18_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -225,7 +225,7 @@ nv1a_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv1a_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -246,7 +246,7 @@ nv1f_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv1a_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -267,7 +267,7 @@ nv20_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv20_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -288,7 +288,7 @@ nv25_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv25_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -309,7 +309,7 @@ nv28_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv25_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -330,7 +330,7 @@ nv2a_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv25_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -351,7 +351,7 @@ nv30_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv30_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -372,7 +372,7 @@ nv31_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv30_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -394,7 +394,7 @@ nv34_chipset = {
 	.devinit = nv10_devinit_new,
 	.fb = nv10_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -416,7 +416,7 @@ nv35_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv35_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -437,7 +437,7 @@ nv36_chipset = {
 	.devinit = nv20_devinit_new,
 	.fb = nv36_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv04_instmem_new,
 //	.mc = nv04_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -459,7 +459,7 @@ nv40_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv40_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -484,7 +484,7 @@ nv41_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv41_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -509,7 +509,7 @@ nv42_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv41_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -534,7 +534,7 @@ nv43_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv41_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -559,7 +559,7 @@ nv44_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv44_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv44_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -584,7 +584,7 @@ nv45_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv40_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv04_mmu_new,
@@ -609,7 +609,7 @@ nv46_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv46_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv44_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -634,7 +634,7 @@ nv47_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv47_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -659,7 +659,7 @@ nv49_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv49_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -684,7 +684,7 @@ nv4a_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv44_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv44_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -709,7 +709,7 @@ nv4b_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv49_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv40_mc_new,
 //	.mmu = nv41_mmu_new,
@@ -734,7 +734,7 @@ nv4c_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv46_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv4c_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -759,7 +759,7 @@ nv4e_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv4e_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv4e_i2c_new,
+	.i2c = nv4e_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv4c_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -786,7 +786,7 @@ nv50_chipset = {
 	.fb = nv50_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = nv50_gpio_new,
-//	.i2c = nv50_i2c_new,
+	.i2c = nv50_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = nv50_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -812,7 +812,7 @@ nv63_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv46_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv4c_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -837,7 +837,7 @@ nv67_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv46_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv4c_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -862,7 +862,7 @@ nv68_chipset = {
 	.devinit = nv1a_devinit_new,
 	.fb = nv46_fb_new,
 	.gpio = nv10_gpio_new,
-//	.i2c = nv04_i2c_new,
+	.i2c = nv04_i2c_new,
 //	.imem = nv40_instmem_new,
 //	.mc = nv4c_mc_new,
 //	.mmu = nv44_mmu_new,
@@ -889,7 +889,7 @@ nv84_chipset = {
 	.fb = g84_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = nv50_gpio_new,
-//	.i2c = nv50_i2c_new,
+	.i2c = nv50_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = nv50_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -920,7 +920,7 @@ nv86_chipset = {
 	.fb = g84_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = nv50_gpio_new,
-//	.i2c = nv50_i2c_new,
+	.i2c = nv50_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = nv50_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -951,7 +951,7 @@ nv92_chipset = {
 	.fb = g84_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = nv50_gpio_new,
-//	.i2c = nv50_i2c_new,
+	.i2c = nv50_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = nv50_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -982,7 +982,7 @@ nv94_chipset = {
 	.fb = g84_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g94_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1007,7 +1007,7 @@ nv96_chipset = {
 	.name = "G96",
 	.bios = nvkm_bios_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 	.fuse = nv50_fuse_new,
 	.clk = g84_clk_new,
 //	.therm = g84_therm_new,
@@ -1038,7 +1038,7 @@ nv98_chipset = {
 	.name = "G98",
 	.bios = nvkm_bios_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 	.fuse = nv50_fuse_new,
 	.clk = g84_clk_new,
 //	.therm = g84_therm_new,
@@ -1075,7 +1075,7 @@ nva0_chipset = {
 	.fb = g84_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = nv50_i2c_new,
+	.i2c = nv50_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1106,7 +1106,7 @@ nva3_chipset = {
 	.fb = gt215_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1139,7 +1139,7 @@ nva5_chipset = {
 	.fb = gt215_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1171,7 +1171,7 @@ nva8_chipset = {
 	.fb = gt215_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1203,7 +1203,7 @@ nvaa_chipset = {
 	.fb = mcp77_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1234,7 +1234,7 @@ nvac_chipset = {
 	.fb = mcp77_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1265,7 +1265,7 @@ nvaf_chipset = {
 	.fb = mcp89_fb_new,
 	.fuse = nv50_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.imem = nv50_instmem_new,
 //	.mc = g98_mc_new,
 //	.mmu = nv50_mmu_new,
@@ -1297,7 +1297,7 @@ nvc0_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1332,7 +1332,7 @@ nvc1_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1366,7 +1366,7 @@ nvc3_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1400,7 +1400,7 @@ nvc4_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1435,7 +1435,7 @@ nvc8_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1470,7 +1470,7 @@ nvce_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1505,7 +1505,7 @@ nvcf_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = g94_gpio_new,
-//	.i2c = g94_i2c_new,
+	.i2c = g94_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1539,7 +1539,7 @@ nvd7_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gf119_gpio_new,
-//	.i2c = gf117_i2c_new,
+	.i2c = gf117_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1571,7 +1571,7 @@ nvd9_chipset = {
 	.fb = gf100_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gf119_gpio_new,
-//	.i2c = gf110_i2c_new,
+	.i2c = gf119_i2c_new,
 //	.ibus = gf100_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gf100_ltc_new,
@@ -1605,7 +1605,7 @@ nve4_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1641,7 +1641,7 @@ nve6_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1677,7 +1677,7 @@ nve7_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1737,7 +1737,7 @@ nvf0_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1773,7 +1773,7 @@ nvf1_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gf110_i2c_new,
+	.i2c = gf119_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1809,7 +1809,7 @@ nv106_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1844,7 +1844,7 @@ nv108_chipset = {
 	.fb = gk104_fb_new,
 	.fuse = gf100_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gk104_i2c_new,
+	.i2c = gk104_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gk104_ltc_new,
@@ -1879,7 +1879,7 @@ nv117_chipset = {
 	.fb = gm107_fb_new,
 	.fuse = gm107_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gf110_i2c_new,
+	.i2c = gf119_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gm107_ltc_new,
@@ -1908,7 +1908,7 @@ nv124_chipset = {
 	.fb = gm107_fb_new,
 	.fuse = gm107_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gm204_i2c_new,
+	.i2c = gm204_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gm107_ltc_new,
@@ -1937,7 +1937,7 @@ nv126_chipset = {
 	.fb = gm107_fb_new,
 	.fuse = gm107_fuse_new,
 	.gpio = gk104_gpio_new,
-//	.i2c = gm204_i2c_new,
+	.i2c = gm204_i2c_new,
 //	.ibus = gk104_ibus_new,
 //	.imem = nv50_instmem_new,
 //	.ltc = gm107_ltc_new,
diff --git a/drm/nouveau/nvkm/engine/device/gf100.c b/drm/nouveau/nvkm/engine/device/gf100.c
index 9059b43e..0ed4eb72 100644
--- a/drm/nouveau/nvkm/engine/device/gf100.c
+++ b/drm/nouveau/nvkm/engine/device/gf100.c
@@ -28,7 +28,6 @@ gf100_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0xc0:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
@@ -52,7 +51,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc4:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
@@ -76,7 +74,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc3:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -99,7 +96,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xce:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
@@ -123,7 +119,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xcf:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -146,7 +141,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xc1:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -169,7 +163,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf108_pm_oclass;
 		break;
 	case 0xc8:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf100_mc_oclass;
@@ -193,7 +186,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf100_pm_oclass;
 		break;
 	case 0xd9:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -216,7 +208,6 @@ gf100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gf117_pm_oclass;
 		break;
 	case 0xd7:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf117_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/gk104.c b/drm/nouveau/nvkm/engine/device/gk104.c
index 89eabad8..05d8d276 100644
--- a/drm/nouveau/nvkm/engine/device/gk104.c
+++ b/drm/nouveau/nvkm/engine/device/gk104.c
@@ -28,7 +28,6 @@ gk104_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0xe4:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -53,7 +52,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe7:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -78,7 +76,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe6:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -119,7 +116,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gk20a_pmu_oclass;
 		break;
 	case 0xf0:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -144,7 +140,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0xf1:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gf106_mc_oclass;
@@ -169,7 +164,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0x106:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
@@ -193,7 +187,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_MSPPP  ] = &gf100_msppp_oclass;
 		break;
 	case 0x108:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gk104_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gf110_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/gm100.c b/drm/nouveau/nvkm/engine/device/gm100.c
index a57db5f5..a04bd5b7 100644
--- a/drm/nouveau/nvkm/engine/device/gm100.c
+++ b/drm/nouveau/nvkm/engine/device/gm100.c
@@ -28,7 +28,6 @@ gm100_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x117:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gf110_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gm107_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  gk20a_mc_oclass;
@@ -59,7 +58,6 @@ gm100_identify(struct nvkm_device *device)
 #endif
 		break;
 	case 0x124:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gm204_i2c_oclass;
 #if 0
 		/* looks to be some non-trivial changes */
 		/* priv ring says no to 0x10eb14 writes */
@@ -91,7 +89,6 @@ gm100_identify(struct nvkm_device *device)
 #endif
 		break;
 	case 0x126:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  gm204_i2c_oclass;
 #if 0
 		/* looks to be some non-trivial changes */
 		/* priv ring says no to 0x10eb14 writes */
diff --git a/drm/nouveau/nvkm/engine/device/nv04.c b/drm/nouveau/nvkm/engine/device/nv04.c
index d65d2943..de456b2d 100644
--- a/drm/nouveau/nvkm/engine/device/nv04.c
+++ b/drm/nouveau/nvkm/engine/device/nv04.c
@@ -28,7 +28,6 @@ nv04_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x04:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -40,7 +39,6 @@ nv04_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x05:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/nv10.c b/drm/nouveau/nvkm/engine/device/nv10.c
index ac2994a3..6e58a0e2 100644
--- a/drm/nouveau/nvkm/engine/device/nv10.c
+++ b/drm/nouveau/nvkm/engine/device/nv10.c
@@ -28,7 +28,6 @@ nv10_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x10:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -38,7 +37,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x15:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -50,7 +48,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x16:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -62,7 +59,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x1a:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -74,7 +70,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x11:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -86,7 +81,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x17:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -98,7 +92,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x1f:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -110,7 +103,6 @@ nv10_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x18:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/nv20.c b/drm/nouveau/nvkm/engine/device/nv20.c
index 80290303..14677377 100644
--- a/drm/nouveau/nvkm/engine/device/nv20.c
+++ b/drm/nouveau/nvkm/engine/device/nv20.c
@@ -28,7 +28,6 @@ nv20_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x20:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -40,7 +39,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x25:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -52,7 +50,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x28:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -64,7 +61,6 @@ nv20_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x2a:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/nv30.c b/drm/nouveau/nvkm/engine/device/nv30.c
index ce66504d..e4d5fc69 100644
--- a/drm/nouveau/nvkm/engine/device/nv30.c
+++ b/drm/nouveau/nvkm/engine/device/nv30.c
@@ -28,7 +28,6 @@ nv30_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x30:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -40,7 +39,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x35:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -52,7 +50,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x31:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -65,7 +62,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x36:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
@@ -78,7 +74,6 @@ nv30_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_DISP   ] =  nv04_disp_oclass;
 		break;
 	case 0x34:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv04_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv04_instmem_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/nv40.c b/drm/nouveau/nvkm/engine/device/nv40.c
index 513fb7ee..0bf4fcef 100644
--- a/drm/nouveau/nvkm/engine/device/nv40.c
+++ b/drm/nouveau/nvkm/engine/device/nv40.c
@@ -28,7 +28,6 @@ nv40_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x40:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -44,7 +43,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x41:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -60,7 +58,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x42:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -76,7 +73,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x43:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -92,7 +88,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x45:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -108,7 +103,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x47:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -124,7 +118,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x49:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -140,7 +133,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4b:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv40_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -156,7 +148,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x44:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -172,7 +163,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x46:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -188,7 +178,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4a:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv44_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -204,7 +193,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4c:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -220,7 +208,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x4e:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv4e_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -236,7 +223,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x63:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -252,7 +238,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x67:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
@@ -268,7 +253,6 @@ nv40_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv40_pm_oclass;
 		break;
 	case 0x68:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv04_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv40_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv4c_mc_oclass;
 		device->oclass[NVDEV_SUBDEV_TIMER  ] = &nv04_timer_oclass;
diff --git a/drm/nouveau/nvkm/engine/device/nv50.c b/drm/nouveau/nvkm/engine/device/nv50.c
index cf8839c1..956ea9c0 100644
--- a/drm/nouveau/nvkm/engine/device/nv50.c
+++ b/drm/nouveau/nvkm/engine/device/nv50.c
@@ -28,7 +28,6 @@ nv50_identify(struct nvkm_device *device)
 {
 	switch (device->chipset) {
 	case 0x50:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &nv50_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
@@ -45,7 +44,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  nv50_pm_oclass;
 		break;
 	case 0x84:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
@@ -65,7 +63,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x86:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
@@ -85,7 +82,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x92:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  nv50_mc_oclass;
@@ -105,7 +101,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x94:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g94_mc_oclass;
@@ -125,7 +120,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x96:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g94_mc_oclass;
@@ -145,7 +139,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0x98:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -165,7 +158,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xa0:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  nv50_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -185,7 +177,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt200_pm_oclass;
 		break;
 	case 0xaa:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -205,7 +196,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xac:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &g84_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -225,7 +215,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  g84_pm_oclass;
 		break;
 	case 0xa3:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -247,7 +236,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xa5:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -268,7 +256,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xa8:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
@@ -289,7 +276,6 @@ nv50_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_PM     ] =  gt215_pm_oclass;
 		break;
 	case 0xaf:
-		device->oclass[NVDEV_SUBDEV_I2C    ] =  g94_i2c_oclass;
 		device->oclass[NVDEV_SUBDEV_THERM  ] = &gt215_therm_oclass;
 		device->oclass[NVDEV_SUBDEV_MXM    ] = &nv50_mxm_oclass;
 		device->oclass[NVDEV_SUBDEV_MC     ] =  g98_mc_oclass;
diff --git a/drm/nouveau/nvkm/subdev/i2c/Kbuild b/drm/nouveau/nvkm/subdev/i2c/Kbuild
index 200f996f..1f730613 100644
--- a/drm/nouveau/nvkm/subdev/i2c/Kbuild
+++ b/drm/nouveau/nvkm/subdev/i2c/Kbuild
@@ -3,8 +3,8 @@ nvkm-y += nvkm/subdev/i2c/nv04.o
 nvkm-y += nvkm/subdev/i2c/nv4e.o
 nvkm-y += nvkm/subdev/i2c/nv50.o
 nvkm-y += nvkm/subdev/i2c/g94.o
-nvkm-y += nvkm/subdev/i2c/gf110.o
 nvkm-y += nvkm/subdev/i2c/gf117.o
+nvkm-y += nvkm/subdev/i2c/gf119.o
 nvkm-y += nvkm/subdev/i2c/gk104.o
 nvkm-y += nvkm/subdev/i2c/gm204.o
 
diff --git a/drm/nouveau/nvkm/subdev/i2c/base.c b/drm/nouveau/nvkm/subdev/i2c/base.c
index fe29e728..243a71ff 100644
--- a/drm/nouveau/nvkm/subdev/i2c/base.c
+++ b/drm/nouveau/nvkm/subdev/i2c/base.c
@@ -91,9 +91,8 @@ nvkm_i2c_intr_fini(struct nvkm_event *event, int type, int id)
 {
 	struct nvkm_i2c *i2c = container_of(event, typeof(*i2c), event);
 	struct nvkm_i2c_aux *aux = nvkm_i2c_aux_find(i2c, id);
-	const struct nvkm_i2c_impl *impl = (void *)nv_object(i2c)->oclass;
 	if (aux)
-		impl->aux_mask(i2c, type, aux->intr, 0);
+		i2c->func->aux_mask(i2c, type, aux->intr, 0);
 }
 
 static void
@@ -101,9 +100,8 @@ nvkm_i2c_intr_init(struct nvkm_event *event, int type, int id)
 {
 	struct nvkm_i2c *i2c = container_of(event, typeof(*i2c), event);
 	struct nvkm_i2c_aux *aux = nvkm_i2c_aux_find(i2c, id);
-	const struct nvkm_i2c_impl *impl = (void *)nv_object(i2c)->oclass;
 	if (aux)
-		impl->aux_mask(i2c, type, aux->intr, aux->intr);
+		i2c->func->aux_mask(i2c, type, aux->intr, aux->intr);
 }
 
 static int
@@ -120,18 +118,24 @@ nvkm_i2c_intr_ctor(struct nvkm_object *object, void *data, u32 size,
 	return -EINVAL;
 }
 
+static const struct nvkm_event_func
+nvkm_i2c_intr_func = {
+	.ctor = nvkm_i2c_intr_ctor,
+	.init = nvkm_i2c_intr_init,
+	.fini = nvkm_i2c_intr_fini,
+};
+
 static void
-nvkm_i2c_intr(struct nvkm_subdev *obj)
+nvkm_i2c_intr(struct nvkm_subdev *subdev)
 {
-	struct nvkm_i2c *i2c = container_of(obj, typeof(*i2c), subdev);
-	struct nvkm_i2c_impl *impl = (void *)i2c->subdev.object.oclass;
+	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
 	struct nvkm_i2c_aux *aux;
 	u32 hi, lo, rq, tx;
 
-	if (!impl->aux_stat)
+	if (!i2c->func->aux_stat)
 		return;
 
-	impl->aux_stat(i2c, &hi, &lo, &rq, &tx);
+	i2c->func->aux_stat(i2c, &hi, &lo, &rq, &tx);
 	if (!hi && !lo && !rq && !tx)
 		return;
 
@@ -151,44 +155,31 @@ nvkm_i2c_intr(struct nvkm_subdev *obj)
 	}
 }
 
-static const struct nvkm_event_func
-nvkm_i2c_intr_func = {
-	.ctor = nvkm_i2c_intr_ctor,
-	.init = nvkm_i2c_intr_init,
-	.fini = nvkm_i2c_intr_fini,
-};
-
-int
-_nvkm_i2c_fini(struct nvkm_object *object, bool suspend)
+static int
+nvkm_i2c_fini(struct nvkm_subdev *subdev, bool suspend)
 {
-	struct nvkm_i2c_impl *impl = (void *)nv_oclass(object);
-	struct nvkm_i2c *i2c = (void *)object;
+	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
 	struct nvkm_i2c_pad *pad;
 	u32 mask;
 
-	if ((mask = (1 << impl->aux) - 1), impl->aux_stat) {
-		impl->aux_mask(i2c, NVKM_I2C_ANY, mask, 0);
-		impl->aux_stat(i2c, &mask, &mask, &mask, &mask);
+	if ((mask = (1 << i2c->func->aux) - 1), i2c->func->aux_stat) {
+		i2c->func->aux_mask(i2c, NVKM_I2C_ANY, mask, 0);
+		i2c->func->aux_stat(i2c, &mask, &mask, &mask, &mask);
 	}
 
 	list_for_each_entry(pad, &i2c->pad, head) {
 		nvkm_i2c_pad_fini(pad);
 	}
 
-	return nvkm_subdev_fini_old(&i2c->subdev, suspend);
+	return 0;
 }
 
-int
-_nvkm_i2c_init(struct nvkm_object *object)
+static int
+nvkm_i2c_init(struct nvkm_subdev *subdev)
 {
-	struct nvkm_i2c *i2c = (void *)object;
+	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
 	struct nvkm_i2c_bus *bus;
 	struct nvkm_i2c_pad *pad;
-	int ret;
-
-	ret = nvkm_subdev_init_old(&i2c->subdev);
-	if (ret)
-		return ret;
 
 	list_for_each_entry(pad, &i2c->pad, head) {
 		nvkm_i2c_pad_init(pad);
@@ -201,10 +192,10 @@ _nvkm_i2c_init(struct nvkm_object *object)
 	return 0;
 }
 
-void
-_nvkm_i2c_dtor(struct nvkm_object *object)
+static void *
+nvkm_i2c_dtor(struct nvkm_subdev *subdev)
 {
-	struct nvkm_i2c *i2c = (void *)object;
+	struct nvkm_i2c *i2c = nvkm_i2c(subdev);
 
 	nvkm_event_fini(&i2c->event);
 
@@ -226,9 +217,17 @@ _nvkm_i2c_dtor(struct nvkm_object *object)
 		nvkm_i2c_pad_del(&pad);
 	}
 
-	nvkm_subdev_destroy(&i2c->subdev);
+	return i2c;
 }
 
+static const struct nvkm_subdev_func
+nvkm_i2c = {
+	.dtor = nvkm_i2c_dtor,
+	.init = nvkm_i2c_init,
+	.fini = nvkm_i2c_fini,
+	.intr = nvkm_i2c_intr,
+};
+
 static const struct nvkm_i2c_drv {
 	u8 bios;
 	u8 addr;
@@ -242,11 +241,9 @@ nvkm_i2c_drv[] = {
 };
 
 int
-nvkm_i2c_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		 struct nvkm_oclass *oclass, int length, void **pobject)
+nvkm_i2c_new_(const struct nvkm_i2c_func *func, struct nvkm_device *device,
+	      int index, struct nvkm_i2c **pi2c)
 {
-	struct nvkm_i2c_impl *impl = (void *)oclass;
-	struct nvkm_device *device = (void *)parent;
 	struct nvkm_bios *bios = device->bios;
 	struct nvkm_i2c *i2c;
 	struct dcb_i2c_entry ccbE;
@@ -254,17 +251,15 @@ nvkm_i2c_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 	u8 ver, hdr;
 	int ret, i;
 
-	ret = nvkm_subdev_create(parent, engine, oclass, 0, "I2C", "i2c", &i2c);
-	*pobject = nv_object(i2c);
-	if (ret)
-		return ret;
+	if (!(i2c = *pi2c = kzalloc(sizeof(*i2c), GFP_KERNEL)))
+		return -ENOMEM;
 
+	nvkm_subdev_ctor(&nvkm_i2c, device, index, 0, &i2c->subdev);
+	i2c->func = func;
 	INIT_LIST_HEAD(&i2c->pad);
 	INIT_LIST_HEAD(&i2c->bus);
 	INIT_LIST_HEAD(&i2c->aux);
 
-	nv_subdev(i2c)->intr = nvkm_i2c_intr;
-
 	i = -1;
 	while (!dcb_i2c_parse(bios, ++i, &ccbE)) {
 		struct nvkm_i2c_pad *pad = NULL;
@@ -278,11 +273,11 @@ nvkm_i2c_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 		if (ccbE.share != DCB_I2C_UNUSED) {
 			const int id = NVKM_I2C_PAD_HYBRID(ccbE.share);
 			if (!(pad = nvkm_i2c_pad_find(i2c, id)))
-				ret = impl->pad_s_new(i2c, id, &pad);
+				ret = func->pad_s_new(i2c, id, &pad);
 			else
 				ret = 0;
 		} else {
-			ret = impl->pad_x_new(i2c, NVKM_I2C_PAD_CCB(i), &pad);
+			ret = func->pad_x_new(i2c, NVKM_I2C_PAD_CCB(i), &pad);
 		}
 
 		if (ret) {
@@ -397,25 +392,5 @@ nvkm_i2c_create_(struct nvkm_object *parent, struct nvkm_object *engine,
 		}
 	}
 
-	ret = nvkm_event_init(&nvkm_i2c_intr_func, 4, i, &i2c->event);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-int
-_nvkm_i2c_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_i2c *i2c;
-	int ret;
-
-	ret = nvkm_i2c_create(parent, engine, oclass, &i2c);
-	*pobject = nv_object(i2c);
-	if (ret)
-		return ret;
-
-	return 0;
+	return nvkm_event_init(&nvkm_i2c_intr_func, 4, i, &i2c->event);
 }
diff --git a/drm/nouveau/nvkm/subdev/i2c/g94.c b/drm/nouveau/nvkm/subdev/i2c/g94.c
index e18dc855..bb2a31d8 100644
--- a/drm/nouveau/nvkm/subdev/i2c/g94.c
+++ b/drm/nouveau/nvkm/subdev/i2c/g94.c
@@ -56,18 +56,17 @@ g94_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data)
 	nvkm_wr32(device, 0x00e068, temp);
 }
 
-struct nvkm_oclass *
-g94_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0x94),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+g94_i2c = {
 	.pad_x_new = g94_i2c_pad_x_new,
 	.pad_s_new = g94_i2c_pad_s_new,
 	.aux = 4,
 	.aux_stat = g94_aux_stat,
 	.aux_mask = g94_aux_mask,
-}.base;
+};
+
+int
+g94_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&g94_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/gf117.c b/drm/nouveau/nvkm/subdev/i2c/gf117.c
index bd5e7c98..ae4aad3f 100644
--- a/drm/nouveau/nvkm/subdev/i2c/gf117.c
+++ b/drm/nouveau/nvkm/subdev/i2c/gf117.c
@@ -24,14 +24,13 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-gf117_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0xd7),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+gf117_i2c = {
 	.pad_x_new = gf119_i2c_pad_x_new,
-}.base;
+};
+
+int
+gf117_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&gf117_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/gf110.c b/drm/nouveau/nvkm/subdev/i2c/gf119.c
index cb6774ae..6f2b02af 100644
--- a/drm/nouveau/nvkm/subdev/i2c/gf110.c
+++ b/drm/nouveau/nvkm/subdev/i2c/gf119.c
@@ -24,18 +24,17 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-gf110_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0xd0),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+gf119_i2c = {
 	.pad_x_new = gf119_i2c_pad_x_new,
 	.pad_s_new = gf119_i2c_pad_s_new,
 	.aux = 4,
 	.aux_stat = g94_aux_stat,
 	.aux_mask = g94_aux_mask,
-}.base;
+};
+
+int
+gf119_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&gf119_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/gk104.c b/drm/nouveau/nvkm/subdev/i2c/gk104.c
index ac97c206..f9f6bf4b 100644
--- a/drm/nouveau/nvkm/subdev/i2c/gk104.c
+++ b/drm/nouveau/nvkm/subdev/i2c/gk104.c
@@ -56,18 +56,17 @@ gk104_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data)
 	nvkm_wr32(device, 0x00dc68, temp);
 }
 
-struct nvkm_oclass *
-gk104_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0xe0),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+gk104_i2c = {
 	.pad_x_new = gf119_i2c_pad_x_new,
 	.pad_s_new = gf119_i2c_pad_s_new,
 	.aux = 4,
 	.aux_stat = gk104_aux_stat,
 	.aux_mask = gk104_aux_mask,
-}.base;
+};
+
+int
+gk104_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&gk104_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/gm204.c b/drm/nouveau/nvkm/subdev/i2c/gm204.c
index e84b9a4a..ff9f7d62 100644
--- a/drm/nouveau/nvkm/subdev/i2c/gm204.c
+++ b/drm/nouveau/nvkm/subdev/i2c/gm204.c
@@ -24,18 +24,17 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-gm204_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0x24),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+gm204_i2c = {
 	.pad_x_new = gf119_i2c_pad_x_new,
 	.pad_s_new = gm204_i2c_pad_s_new,
 	.aux = 8,
 	.aux_stat = gk104_aux_stat,
 	.aux_mask = gk104_aux_mask,
-}.base;
+};
+
+int
+gm204_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&gm204_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/nv04.c b/drm/nouveau/nvkm/subdev/i2c/nv04.c
index 9a7279f3..18776f49 100644
--- a/drm/nouveau/nvkm/subdev/i2c/nv04.c
+++ b/drm/nouveau/nvkm/subdev/i2c/nv04.c
@@ -24,14 +24,13 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-nv04_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0x04),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+nv04_i2c = {
 	.pad_x_new = nv04_i2c_pad_new,
-}.base;
+};
+
+int
+nv04_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&nv04_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/nv4e.c b/drm/nouveau/nvkm/subdev/i2c/nv4e.c
index 40533d78..6b762f7c 100644
--- a/drm/nouveau/nvkm/subdev/i2c/nv4e.c
+++ b/drm/nouveau/nvkm/subdev/i2c/nv4e.c
@@ -24,14 +24,13 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-nv4e_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0x4e),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+nv4e_i2c = {
 	.pad_x_new = nv4e_i2c_pad_new,
-}.base;
+};
+
+int
+nv4e_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&nv4e_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/nv50.c b/drm/nouveau/nvkm/subdev/i2c/nv50.c
index 678585c4..75640ab9 100644
--- a/drm/nouveau/nvkm/subdev/i2c/nv50.c
+++ b/drm/nouveau/nvkm/subdev/i2c/nv50.c
@@ -24,14 +24,13 @@
 #include "priv.h"
 #include "pad.h"
 
-struct nvkm_oclass *
-nv50_i2c_oclass = &(struct nvkm_i2c_impl) {
-	.base.handle = NV_SUBDEV(I2C, 0x50),
-	.base.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = _nvkm_i2c_ctor,
-		.dtor = _nvkm_i2c_dtor,
-		.init = _nvkm_i2c_init,
-		.fini = _nvkm_i2c_fini,
-	},
+static const struct nvkm_i2c_func
+nv50_i2c = {
 	.pad_x_new = nv50_i2c_pad_new,
-}.base;
+};
+
+int
+nv50_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
+{
+	return nvkm_i2c_new_(&nv50_i2c, device, index, pi2c);
+}
diff --git a/drm/nouveau/nvkm/subdev/i2c/priv.h b/drm/nouveau/nvkm/subdev/i2c/priv.h
index e320e9da..bf655a66 100644
--- a/drm/nouveau/nvkm/subdev/i2c/priv.h
+++ b/drm/nouveau/nvkm/subdev/i2c/priv.h
@@ -1,34 +1,12 @@
 #ifndef __NVKM_I2C_PRIV_H__
 #define __NVKM_I2C_PRIV_H__
+#define nvkm_i2c(p) container_of((p), struct nvkm_i2c, subdev)
 #include <subdev/i2c.h>
 
-#define nvkm_i2c_create(p,e,o,d)                                            \
-	nvkm_i2c_create_((p), (e), (o), sizeof(**d), (void **)d)
-#define nvkm_i2c_destroy(p) ({                                              \
-	struct nvkm_i2c *i2c = (p);                                         \
-	_nvkm_i2c_dtor(nv_object(i2c));                                     \
-})
-#define nvkm_i2c_init(p) ({                                                 \
-	struct nvkm_i2c *i2c = (p);                                         \
-	_nvkm_i2c_init(nv_object(i2c));                                     \
-})
-#define nvkm_i2c_fini(p,s) ({                                               \
-	struct nvkm_i2c *i2c = (p);                                         \
-	_nvkm_i2c_fini(nv_object(i2c), (s));                                \
-})
-
-int nvkm_i2c_create_(struct nvkm_object *, struct nvkm_object *,
-			struct nvkm_oclass *, int, void **);
-int  _nvkm_i2c_ctor(struct nvkm_object *, struct nvkm_object *,
-		       struct nvkm_oclass *, void *, u32,
-		       struct nvkm_object **);
-void _nvkm_i2c_dtor(struct nvkm_object *);
-int  _nvkm_i2c_init(struct nvkm_object *);
-int  _nvkm_i2c_fini(struct nvkm_object *, bool);
-
-struct nvkm_i2c_impl {
-	struct nvkm_oclass base;
+int nvkm_i2c_new_(const struct nvkm_i2c_func *, struct nvkm_device *,
+		  int index, struct nvkm_i2c **);
 
+struct nvkm_i2c_func {
 	int (*pad_x_new)(struct nvkm_i2c *, int id, struct nvkm_i2c_pad **);
 	int (*pad_s_new)(struct nvkm_i2c *, int id, struct nvkm_i2c_pad **);