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/*
* Copyright 2018 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 "head.h"
#include "atom.h"
#include "core.h"
#include <nvif/pushc37b.h>
#include <nvhw/class/clc57d.h>
static int
headc57d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
u8 depth;
int ret;
/*XXX: This is a dirty hack until OR depth handling is
* improved later for deep colour etc.
*/
switch (asyh->or.depth) {
case 6: depth = 5; break;
case 5: depth = 4; break;
case 2: depth = 1; break;
case 0: depth = 4; break;
default:
depth = asyh->or.depth;
WARN_ON(1);
break;
}
if ((ret = PUSH_WAIT(push, 2)))
return ret;
PUSH_MTHD(push, NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i),
NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) |
NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) |
NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) |
NVVAL(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, depth) |
NVDEF(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, COLOR_SPACE_OVERRIDE, DISABLE) |
NVDEF(NVC57D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, EXT_PACKET_WIN, NONE));
return 0;
}
static int
headc57d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
int ret;
if ((ret = PUSH_WAIT(push, 2)))
return ret;
//TODO:
PUSH_MTHD(push, NVC57D, HEAD_SET_PROCAMP(i),
NVDEF(NVC57D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
NVDEF(NVC57D, HEAD_SET_PROCAMP, CHROMA_LPF, DISABLE) |
NVDEF(NVC57D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA));
return 0;
}
static int
headc57d_olut_clr(struct nv50_head *head)
{
struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
int ret;
if ((ret = PUSH_WAIT(push, 2)))
return ret;
PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_OLUT(i), 0x00000000);
return 0;
}
static int
headc57d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
const int i = head->base.index;
int ret;
if ((ret = PUSH_WAIT(push, 5)))
return ret;
PUSH_MTHD(push, NVC57D, HEAD_SET_OLUT_CONTROL(i),
NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, INTERPOLATE, asyh->olut.output_mode) |
NVDEF(NVC57D, HEAD_SET_OLUT_CONTROL, MIRROR, DISABLE) |
NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, MODE, asyh->olut.mode) |
NVVAL(NVC57D, HEAD_SET_OLUT_CONTROL, SIZE, asyh->olut.size),
HEAD_SET_OLUT_FP_NORM_SCALE(i), 0xffffffff,
HEAD_SET_CONTEXT_DMA_OLUT(i), asyh->olut.handle,
HEAD_SET_OFFSET_OLUT(i), asyh->olut.offset >> 8);
return 0;
}
static void
headc57d_olut_load_8(struct drm_color_lut *in, int size, void __iomem *mem)
{
memset_io(mem, 0x00, 0x20); /* VSS header. */
mem += 0x20;
while (size--) {
u16 r = drm_color_lut_extract(in-> red + 0, 16);
u16 g = drm_color_lut_extract(in->green + 0, 16);
u16 b = drm_color_lut_extract(in-> blue + 0, 16);
u16 ri = 0, gi = 0, bi = 0, i;
if (in++, size) {
ri = (drm_color_lut_extract(in-> red, 16) - r) / 4;
gi = (drm_color_lut_extract(in->green, 16) - g) / 4;
bi = (drm_color_lut_extract(in-> blue, 16) - b) / 4;
}
for (i = 0; i < 4; i++, mem += 8) {
writew(r + ri * i, mem + 0);
writew(g + gi * i, mem + 2);
writew(b + bi * i, mem + 4);
}
}
/* INTERPOLATE modes require a "next" entry to interpolate with,
* so we replicate the last entry to deal with this for now.
*/
writew(readw(mem - 8), mem + 0);
writew(readw(mem - 6), mem + 2);
writew(readw(mem - 4), mem + 4);
}
static void
headc57d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem)
{
memset_io(mem, 0x00, 0x20); /* VSS header. */
mem += 0x20;
for (; size--; in++, mem += 0x08) {
writew(drm_color_lut_extract(in-> red, 16), mem + 0);
writew(drm_color_lut_extract(in->green, 16), mem + 2);
writew(drm_color_lut_extract(in-> blue, 16), mem + 4);
}
/* INTERPOLATE modes require a "next" entry to interpolate with,
* so we replicate the last entry to deal with this for now.
*/
writew(readw(mem - 8), mem + 0);
writew(readw(mem - 6), mem + 2);
writew(readw(mem - 4), mem + 4);
}
bool
headc57d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
{
if (size != 0 && size != 256 && size != 1024)
return false;
asyh->olut.mode = NVC57D_HEAD_SET_OLUT_CONTROL_MODE_DIRECT10;
asyh->olut.size = 4 /* VSS header. */ + 1024 + 1 /* Entries. */;
asyh->olut.output_mode = NVC57D_HEAD_SET_OLUT_CONTROL_INTERPOLATE_ENABLE;
if (size == 256)
asyh->olut.load = headc57d_olut_load_8;
else
asyh->olut.load = headc57d_olut_load;
return true;
}
static int
headc57d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
{
struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
struct nv50_head_mode *m = &asyh->mode;
const int i = head->base.index;
int ret;
if ((ret = PUSH_WAIT(push, 15)))
return ret;
PUSH_MTHD(push, NVC57D, HEAD_SET_RASTER_SIZE(i),
NVVAL(NVC57D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
NVVAL(NVC57D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),
HEAD_SET_RASTER_SYNC_END(i),
NVVAL(NVC57D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
NVVAL(NVC57D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),
HEAD_SET_RASTER_BLANK_END(i),
NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),
HEAD_SET_RASTER_BLANK_START(i),
NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
NVVAL(NVC57D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks));
//XXX:
PUSH_NVSQ(push, NVC57D, 0x2074 + (i * 0x400), m->v.blank2e << 16 | m->v.blank2s);
PUSH_NVSQ(push, NVC57D, 0x2008 + (i * 0x400), m->interlace);
PUSH_MTHD(push, NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i),
NVVAL(NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000));
PUSH_MTHD(push, NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i),
NVVAL(NVC57D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000));
/*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */
PUSH_MTHD(push, NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS(i),
NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, CURSOR, USAGE_W256_H256) |
NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, OLUT_ALLOWED, TRUE) |
NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, OUTPUT_SCALER_TAPS, TAPS_2) |
NVDEF(NVC57D, HEAD_SET_HEAD_USAGE_BOUNDS, UPSCALING_ALLOWED, TRUE));
return 0;
}
const struct nv50_head_func
headc57d = {
.view = headc37d_view,
.mode = headc57d_mode,
.olut = headc57d_olut,
.olut_identity = true,
.olut_size = 1024,
.olut_set = headc57d_olut_set,
.olut_clr = headc57d_olut_clr,
.curs_layout = head917d_curs_layout,
.curs_format = headc37d_curs_format,
.curs_set = headc37d_curs_set,
.curs_clr = headc37d_curs_clr,
.dither = headc37d_dither,
.procamp = headc57d_procamp,
.or = headc57d_or,
/* TODO: flexible window mappings */
.static_wndw_map = headc37d_static_wndw_map,
};
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