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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 "ior.h"
static void
gm200_sor_dp_drive(struct nvkm_ior *sor, int ln, int pc, int dc, int pe, int pu)
{
struct nvkm_device *device = sor->disp->engine.subdev.device;
const u32 loff = nv50_sor_link(sor);
const u32 shift = sor->func->dp.lanes[ln] * 8;
u32 data[4];
pu &= 0x0f;
data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift);
data[1] = nvkm_rd32(device, 0x61c120 + loff) & ~(0x000000ff << shift);
data[2] = nvkm_rd32(device, 0x61c130 + loff);
if ((data[2] & 0x00000f00) < (pu << 8) || ln == 0)
data[2] = (data[2] & ~0x00000f00) | (pu << 8);
nvkm_wr32(device, 0x61c118 + loff, data[0] | (dc << shift));
nvkm_wr32(device, 0x61c120 + loff, data[1] | (pe << shift));
nvkm_wr32(device, 0x61c130 + loff, data[2]);
data[3] = nvkm_rd32(device, 0x61c13c + loff) & ~(0x000000ff << shift);
nvkm_wr32(device, 0x61c13c + loff, data[3] | (pc << shift));
}
static void
gm200_sor_route_set(struct nvkm_outp *outp, struct nvkm_ior *ior)
{
struct nvkm_device *device = outp->disp->engine.subdev.device;
const u32 moff = __ffs(outp->info.or) * 0x100;
const u32 sor = ior ? ior->id + 1 : 0;
u32 link = ior ? (ior->asy.link == 2) : 0;
if (outp->info.sorconf.link & 1) {
nvkm_mask(device, 0x612308 + moff, 0x0000001f, link << 4 | sor);
link++;
}
if (outp->info.sorconf.link & 2)
nvkm_mask(device, 0x612388 + moff, 0x0000001f, link << 4 | sor);
}
static int
gm200_sor_route_get(struct nvkm_outp *outp, int *link)
{
struct nvkm_device *device = outp->disp->engine.subdev.device;
const int sublinks = outp->info.sorconf.link;
int lnk[2], sor[2], m, s;
for (*link = 0, m = __ffs(outp->info.or) * 2, s = 0; s < 2; m++, s++) {
if (sublinks & BIT(s)) {
u32 data = nvkm_rd32(device, 0x612308 + (m * 0x80));
lnk[s] = (data & 0x00000010) >> 4;
sor[s] = (data & 0x0000000f);
if (!sor[s])
return -1;
*link |= lnk[s];
}
}
if (sublinks == 3) {
if (sor[0] != sor[1] || WARN_ON(lnk[0] || !lnk[1]))
return -1;
}
return ((sublinks & 1) ? sor[0] : sor[1]) - 1;
}
static const struct nvkm_ior_func
gm200_sor = {
.route = {
.get = gm200_sor_route_get,
.set = gm200_sor_route_set,
},
.state = gf119_sor_state,
.power = nv50_sor_power,
.clock = gf119_sor_clock,
.hdmi = {
.ctrl = gk104_hdmi_ctrl,
},
.dp = {
.lanes = { 0, 1, 2, 3 },
.links = gf119_sor_dp_links,
.power = g94_sor_dp_power,
.pattern = gm107_sor_dp_pattern,
.drive = gm200_sor_dp_drive,
.vcpi = gf119_sor_dp_vcpi,
.audio = gf119_sor_dp_audio,
.audio_sym = gf119_sor_dp_audio_sym,
.watermark = gf119_sor_dp_watermark,
},
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
},
};
int
gm200_sor_new(struct nvkm_disp *disp, int id)
{
return gf119_sor_new_(&gm200_sor, disp, id);
}
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