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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"
#include "aux.h"
#include "bus.h"
void
g94_i2c_pad_mode(struct nvkm_i2c_pad *pad, enum nvkm_i2c_pad_mode mode)
{
struct nvkm_subdev *subdev = &pad->i2c->subdev;
struct nvkm_device *device = subdev->device;
const u32 base = (pad->id - NVKM_I2C_PAD_HYBRID(0)) * 0x50;
switch (mode) {
case NVKM_I2C_PAD_OFF:
nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000001);
break;
case NVKM_I2C_PAD_I2C:
nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x0000c001);
nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000);
break;
case NVKM_I2C_PAD_AUX:
nvkm_mask(device, 0x00e500 + base, 0x0000c003, 0x00000002);
nvkm_mask(device, 0x00e50c + base, 0x00000001, 0x00000000);
break;
default:
WARN_ON(1);
break;
}
}
static const struct nvkm_i2c_pad_func
g94_i2c_pad_s_func = {
.bus_new_4 = nv50_i2c_bus_new,
.aux_new_6 = g94_i2c_aux_new,
.mode = g94_i2c_pad_mode,
};
int
g94_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)
{
return nvkm_i2c_pad_new_(&g94_i2c_pad_s_func, i2c, id, ppad);
}
static const struct nvkm_i2c_pad_func
g94_i2c_pad_x_func = {
.bus_new_4 = nv50_i2c_bus_new,
.aux_new_6 = g94_i2c_aux_new,
};
int
g94_i2c_pad_x_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad)
{
return nvkm_i2c_pad_new_(&g94_i2c_pad_x_func, i2c, id, ppad);
}
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