X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fnouveau%2Fnvkm%2Fsubdev%2Fi2c%2Fnv4e.c;h=6b762f7cee9eeec4557175493e520e7050601ca1;hb=51a73ba5f409ef6f419c8ec3a0d1257633500aaa;hp=046fe5e2ea19e1bfb53150fde081c3c8cc0c8287;hpb=8f74bc5ff0eb20a055e4cb8d390669164ca15cb3;p=karo-tx-linux.git diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c index 046fe5e2ea19..6b762f7cee9e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/nv4e.c @@ -22,99 +22,15 @@ * Authors: Ben Skeggs */ #include "priv.h" - -#include - -struct nv4e_i2c_priv { - struct nvkm_i2c base; -}; - -struct nv4e_i2c_port { - struct nvkm_i2c_port base; - u32 addr; -}; - -static void -nv4e_i2c_drive_scl(struct nvkm_i2c_port *base, int state) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - nv_mask(priv, port->addr, 0x2f, state ? 0x21 : 0x01); -} - -static void -nv4e_i2c_drive_sda(struct nvkm_i2c_port *base, int state) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - nv_mask(priv, port->addr, 0x1f, state ? 0x11 : 0x01); -} - -static int -nv4e_i2c_sense_scl(struct nvkm_i2c_port *base) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00040000); -} - -static int -nv4e_i2c_sense_sda(struct nvkm_i2c_port *base) -{ - struct nv4e_i2c_priv *priv = (void *)nvkm_i2c(base); - struct nv4e_i2c_port *port = (void *)base; - return !!(nv_rd32(priv, port->addr) & 0x00080000); -} +#include "pad.h" static const struct nvkm_i2c_func -nv4e_i2c_func = { - .drive_scl = nv4e_i2c_drive_scl, - .drive_sda = nv4e_i2c_drive_sda, - .sense_scl = nv4e_i2c_sense_scl, - .sense_sda = nv4e_i2c_sense_sda, +nv4e_i2c = { + .pad_x_new = nv4e_i2c_pad_new, }; -static int -nv4e_i2c_port_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 index, - struct nvkm_object **pobject) +int +nv4e_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c) { - struct dcb_i2c_entry *info = data; - struct nv4e_i2c_port *port; - int ret; - - ret = nvkm_i2c_port_create(parent, engine, oclass, index, - &nvkm_i2c_bit_algo, &nv4e_i2c_func, &port); - *pobject = nv_object(port); - if (ret) - return ret; - - port->addr = 0x600800 + info->drive; - return 0; + return nvkm_i2c_new_(&nv4e_i2c, device, index, pi2c); } - -static struct nvkm_oclass -nv4e_i2c_sclass[] = { - { .handle = NV_I2C_TYPE_DCBI2C(DCB_I2C_NV4E_BIT), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv4e_i2c_port_ctor, - .dtor = _nvkm_i2c_port_dtor, - .init = _nvkm_i2c_port_init, - .fini = _nvkm_i2c_port_fini, - }, - }, - {} -}; - -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, - }, - .sclass = nv4e_i2c_sclass, - .pad_x = &nv04_i2c_pad_oclass, -}.base;