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/*
* Copyright 2014 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 "pad.h"
struct gm204_i2c_pad {
struct nvkm_i2c_pad base;
int addr;
};
static int
gm204_i2c_pad_fini(struct nvkm_object *object, bool suspend)
{
struct nvkm_i2c *i2c = (void *)nvkm_i2c(object);
struct gm204_i2c_pad *pad = (void *)object;
nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000001);
return nvkm_i2c_pad_fini(&pad->base, suspend);
}
static int
gm204_i2c_pad_init(struct nvkm_object *object)
{
struct nvkm_i2c *i2c = (void *)nvkm_i2c(object);
struct gm204_i2c_pad *pad = (void *)object;
switch (nv_oclass(pad->base.next)->handle) {
case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_AUX):
nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x00000002);
break;
case NV_I2C_TYPE_DCBI2C(DCB_I2C_NVIO_BIT):
default:
nv_mask(i2c, 0x00d970 + pad->addr, 0x0000c003, 0x0000c001);
break;
}
nv_mask(i2c, 0x00d97c + pad->addr, 0x00000001, 0x00000000);
return nvkm_i2c_pad_init(&pad->base);
}
static int
gm204_i2c_pad_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
struct nvkm_oclass *oclass, void *data, u32 index,
struct nvkm_object **pobject)
{
struct gm204_i2c_pad *pad;
int ret;
ret = nvkm_i2c_pad_create(parent, engine, oclass, index, &pad);
*pobject = nv_object(pad);
if (ret)
return ret;
pad->addr = index * 0x50;;
return 0;
}
struct nvkm_oclass
gm204_i2c_pad_oclass = {
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = gm204_i2c_pad_ctor,
.dtor = _nvkm_i2c_pad_dtor,
.init = gm204_i2c_pad_init,
.fini = gm204_i2c_pad_fini,
},
};
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