73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
|
/*
|
||
|
|
* 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 "priv.h"
|
||
|
|
#include "pad.h"
|
||
|
|
|
||
|
|
void
|
||
|
|
gk104_aux_stat(struct nvkm_i2c *i2c, u32 *hi, u32 *lo, u32 *rq, u32 *tx)
|
||
|
|
{
|
||
|
|
struct nvkm_device *device = i2c->subdev.device;
|
||
|
|
u32 intr = nvkm_rd32(device, 0x00dc60);
|
||
|
|
u32 stat = nvkm_rd32(device, 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;
|
||
|
|
}
|
||
|
|
nvkm_wr32(device, 0x00dc60, intr);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
gk104_aux_mask(struct nvkm_i2c *i2c, u32 type, u32 mask, u32 data)
|
||
|
|
{
|
||
|
|
struct nvkm_device *device = i2c->subdev.device;
|
||
|
|
u32 temp = nvkm_rd32(device, 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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
nvkm_wr32(device, 0x00dc68, temp);
|
||
|
|
}
|
||
|
|
|
||
|
|
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,
|
||
|
|
};
|
||
|
|
|
||
|
|
int
|
||
|
|
gk104_i2c_new(struct nvkm_device *device, int index, struct nvkm_i2c **pi2c)
|
||
|
|
{
|
||
|
|
return nvkm_i2c_new_(&gk104_i2c, device, index, pi2c);
|
||
|
|
}
|