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/*
* Copyright 2017 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.
*/
#include "ior.h"
static void
gf119_dac_clock(struct nvkm_ior *dac)
{
struct nvkm_device *device = dac->disp->engine.subdev.device;
const u32 doff = nv50_ior_base(dac);
nvkm_mask(device, 0x612280 + doff, 0x07070707, 0x00000000);
}
static void
gf119_dac_state(struct nvkm_ior *dac, struct nvkm_ior_state *state)
{
struct nvkm_device *device = dac->disp->engine.subdev.device;
const u32 coff = (state == &dac->asy) * 0x20000 + dac->id * 0x20;
u32 ctrl = nvkm_rd32(device, 0x640180 + coff);
state->proto_evo = (ctrl & 0x00000f00) >> 8;
switch (state->proto_evo) {
case 0: state->proto = CRT; break;
default:
state->proto = UNKNOWN;
break;
}
state->head = ctrl & 0x0000000f;
}
static const struct nvkm_ior_func
gf119_dac = {
.state = gf119_dac_state,
.power = nv50_dac_power,
.sense = nv50_dac_sense,
.clock = gf119_dac_clock,
};
int
gf119_dac_new(struct nvkm_disp *disp, int id)
{
struct nvkm_device *device = disp->engine.subdev.device;
if (!(nvkm_rd32(device, 0x612004) & (0x00000010 << id)))
return 0;
return nvkm_ior_new_(&gf119_dac, disp, DAC, id);
}
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