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/*
* Copyright 2012 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 "nv50.h"
void
nve0_aux_stat(struct nouveau_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx)
{
u32 intr = nv_rd32(i2c, 0x00dc60);
u32 stat = nv_rd32(i2c, 0x00dc68) & intr, i;
for (i = 0, *hi = *lo = *rq = *tx = 0; i < 8; i++) {
if ((stat & (1 << (i * 4)))) *hi |= 1 << i;
if ((stat & (2 << (i * 4)))) *lo |= 1 << i;
if ((stat & (4 << (i * 4)))) *rq |= 1 << i;
if ((stat & (8 << (i * 4)))) *tx |= 1 << i;
}
nv_wr32(i2c, 0x00dc60, intr);
}
void
nve0_aux_mask(struct nouveau_i2c *i2c, u32 type, u32 mask, u32 data)
{
u32 temp = nv_rd32(i2c, 0x00dc68), i;
for (i = 0; i < 8; i++) {
if (mask & (1 << i)) {
if (!(data & (1 << i))) {
temp &= ~(type << (i * 4));
continue;
}
temp |= type << (i * 4);
}
}
nv_wr32(i2c, 0x00dc68, temp);
}
struct nouveau_oclass *
nve0_i2c_oclass = &(struct nouveau_i2c_impl) {
.base.handle = NV_SUBDEV(I2C, 0xe0),
.base.ofuncs = &(struct nouveau_ofuncs) {
.ctor = _nouveau_i2c_ctor,
.dtor = _nouveau_i2c_dtor,
.init = _nouveau_i2c_init,
.fini = _nouveau_i2c_fini,
},
.sclass = nvd0_i2c_sclass,
.pad_x = &nv04_i2c_pad_oclass,
.pad_s = &nv94_i2c_pad_oclass,
.aux = 4,
.aux_stat = nve0_aux_stat,
.aux_mask = nve0_aux_mask,
}.base;
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