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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"
#include "outp.h"
#include <core/client.h>
#include <subdev/timer.h>
#include <nvif/class.h>
#include <nvif/unpack.h>
int
nv50_dac_power(NV50_DISP_MTHD_V1)
{
struct nvkm_device *device = disp->base.engine.subdev.device;
const u32 doff = outp->or * 0x800;
union {
struct nv50_disp_dac_pwr_v0 v0;
} *args = data;
u32 stat;
int ret;
nv_ioctl(object, "disp dac pwr size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
nv_ioctl(object, "disp dac pwr vers %d state %d data %d "
"vsync %d hsync %d\n",
args->v0.version, args->v0.state, args->v0.data,
args->v0.vsync, args->v0.hsync);
stat = 0x00000040 * !args->v0.state;
stat |= 0x00000010 * !args->v0.data;
stat |= 0x00000004 * !args->v0.vsync;
stat |= 0x00000001 * !args->v0.hsync;
} else
return ret;
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000))
break;
);
nvkm_mask(device, 0x61a004 + doff, 0xc000007f, 0x80000000 | stat);
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000))
break;
);
return 0;
}
int
nv50_dac_sense(NV50_DISP_MTHD_V1)
{
struct nvkm_device *device = disp->base.engine.subdev.device;
union {
struct nv50_disp_dac_load_v0 v0;
} *args = data;
const u32 doff = outp->or * 0x800;
u32 loadval;
int ret;
nv_ioctl(object, "disp dac load size %d\n", size);
if (nvif_unpack(args->v0, 0, 0, false)) {
nv_ioctl(object, "disp dac load vers %d data %08x\n",
args->v0.version, args->v0.data);
if (args->v0.data & 0xfff00000)
return -EINVAL;
loadval = args->v0.data;
} else
return ret;
nvkm_mask(device, 0x61a004 + doff, 0x807f0000, 0x80150000);
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000))
break;
);
nvkm_wr32(device, 0x61a00c + doff, 0x00100000 | loadval);
mdelay(9);
udelay(500);
loadval = nvkm_mask(device, 0x61a00c + doff, 0xffffffff, 0x00000000);
nvkm_mask(device, 0x61a004 + doff, 0x807f0000, 0x80550000);
nvkm_msec(device, 2000,
if (!(nvkm_rd32(device, 0x61a004 + doff) & 0x80000000))
break;
);
nv_debug(disp, "DAC%d sense: 0x%08x\n", outp->or, loadval);
if (!(loadval & 0x80000000))
return -ETIMEDOUT;
args->v0.load = (loadval & 0x38000000) >> 27;
return 0;
}
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