linux/drivers/gpu/drm/nouveau/dispnv50/headca7d.c

/* SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
 */
#include "head.h"
#include "atom.h"
#include "core.h"

#include <nvif/pushc97b.h>

#include <nvhw/class/clca7d.h>

static int
headca7d_display_id(struct nv50_head *head, u32 display_id)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 2);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_DISPLAY_ID(i, 0), display_id);

	return 0;
}

static int
headca7d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	u8 depth;
	int ret;

	switch (asyh->or.depth) {
	case 6:
		depth = NVCA7D_HEAD_SET_CONTROL_OUTPUT_RESOURCE_PIXEL_DEPTH_BPP_30_444;
		break;
	case 5:
		depth = NVCA7D_HEAD_SET_CONTROL_OUTPUT_RESOURCE_PIXEL_DEPTH_BPP_24_444;
		break;
	case 2:
		depth = NVCA7D_HEAD_SET_CONTROL_OUTPUT_RESOURCE_PIXEL_DEPTH_BPP_18_444;
		break;
	case 0:
		depth = NVCA7D_HEAD_SET_CONTROL_OUTPUT_RESOURCE_PIXEL_DEPTH_BPP_24_444;
		break;
	default:
		WARN_ON(1);
		return -EINVAL;
	}

	ret = PUSH_WAIT(push, 2);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i),
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, depth) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, COLOR_SPACE_OVERRIDE, DISABLE) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, EXT_PACKET_WIN, NONE));

	return 0;
}

static int
headca7d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 2);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_PROCAMP(i),
		  NVDEF(NVCA7D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
		  NVDEF(NVCA7D, HEAD_SET_PROCAMP, CHROMA_LPF, DISABLE) |
		  NVDEF(NVCA7D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA));

	return 0;
}

static int
headca7d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 2);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_DITHER_CONTROL(i),
		  NVVAL(NVCA7D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
		  NVVAL(NVCA7D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
		  NVDEF(NVCA7D, HEAD_SET_DITHER_CONTROL, OFFSET_ENABLE, DISABLE) |
		  NVVAL(NVCA7D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
		  NVVAL(NVCA7D, HEAD_SET_DITHER_CONTROL, PHASE, 0));

	return 0;
}

static int
headca7d_curs_clr(struct nv50_head *head)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 4);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_CONTROL_CURSOR(i),
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR, ENABLE, DISABLE) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR, FORMAT, A8R8G8B8));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR(i, 0),
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR, ENABLE, DISABLE));

	return 0;
}

static int
headca7d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const u32 curs_hi = upper_32_bits(asyh->curs.offset);
	const u32 curs_lo = lower_32_bits(asyh->curs.offset);
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 7);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_SURFACE_ADDRESS_HI_CURSOR(i, 0), curs_hi);

	PUSH_MTHD(push, NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR(i, 0),
		  NVVAL(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR, ADDRESS_LO, curs_lo >> 4) |
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR, TARGET, PHYSICAL_NVM) |
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_CURSOR, ENABLE, ENABLE));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_CONTROL_CURSOR(i),
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0),

				HEAD_SET_CONTROL_CURSOR_COMPOSITION(i),
		  NVVAL(NVCA7D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, K1, 0xff) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, CURSOR_COLOR_FACTOR_SELECT,
								     K1) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, VIEWPORT_COLOR_FACTOR_SELECT,
								     NEG_K1_TIMES_SRC) |
		  NVDEF(NVCA7D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, MODE, BLEND));

	return 0;
}

static int
headca7d_olut_clr(struct nv50_head *head)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 2);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_OLUT(i),
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_OLUT, ENABLE, DISABLE));

	return 0;
}

static int
headca7d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const u32 olut_hi = upper_32_bits(asyh->olut.offset);
	const u32 olut_lo = lower_32_bits(asyh->olut.offset);
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 6);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_SURFACE_ADDRESS_HI_OLUT(i), olut_hi,

				HEAD_SET_SURFACE_ADDRESS_LO_OLUT(i),
		  NVVAL(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_OLUT, ADDRESS_LO, olut_lo >> 4) |
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_OLUT, TARGET, PHYSICAL_NVM) |
		  NVDEF(NVCA7D, HEAD_SET_SURFACE_ADDRESS_LO_OLUT, ENABLE, ENABLE));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_OLUT_CONTROL(i),
		  NVVAL(NVCA7D, HEAD_SET_OLUT_CONTROL, INTERPOLATE, asyh->olut.output_mode) |
		  NVDEF(NVCA7D, HEAD_SET_OLUT_CONTROL, MIRROR, DISABLE) |
		  NVVAL(NVCA7D, HEAD_SET_OLUT_CONTROL, MODE, asyh->olut.mode) |
		  NVVAL(NVCA7D, HEAD_SET_OLUT_CONTROL, SIZE, asyh->olut.size),

				HEAD_SET_OLUT_FP_NORM_SCALE(i), 0xffffffff);

	return 0;
}

static int
headca7d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	struct nv50_head_mode *m = &asyh->mode;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 11);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_RASTER_SIZE(i),
		  NVVAL(NVCA7D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
		  NVVAL(NVCA7D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),

				HEAD_SET_RASTER_SYNC_END(i),
		  NVVAL(NVCA7D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
		  NVVAL(NVCA7D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),

				HEAD_SET_RASTER_BLANK_END(i),
		  NVVAL(NVCA7D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
		  NVVAL(NVCA7D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),

				HEAD_SET_RASTER_BLANK_START(i),
		  NVVAL(NVCA7D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
		  NVVAL(NVCA7D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_CONTROL(i),
		  NVDEF(NVCA7D, HEAD_SET_CONTROL, STRUCTURE, PROGRESSIVE));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i),
		  NVVAL(NVCA7D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i),
		  NVVAL(NVCA7D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000));

	return 0;
}

static int
headca7d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nvif_push *push = &head->disp->core->chan.push;
	const int i = head->base.index;
	int ret;

	ret = PUSH_WAIT(push, 4);
	if (ret)
		return ret;

	PUSH_MTHD(push, NVCA7D, HEAD_SET_VIEWPORT_SIZE_IN(i),
		  NVVAL(NVCA7D, HEAD_SET_VIEWPORT_SIZE_IN, WIDTH, asyh->view.iW) |
		  NVVAL(NVCA7D, HEAD_SET_VIEWPORT_SIZE_IN, HEIGHT, asyh->view.iH));

	PUSH_MTHD(push, NVCA7D, HEAD_SET_VIEWPORT_SIZE_OUT(i),
		  NVVAL(NVCA7D, HEAD_SET_VIEWPORT_SIZE_OUT, WIDTH, asyh->view.oW) |
		  NVVAL(NVCA7D, HEAD_SET_VIEWPORT_SIZE_OUT, HEIGHT, asyh->view.oH));
	return 0;
}

const struct nv50_head_func
headca7d = {
	.view = headca7d_view,
	.mode = headca7d_mode,
	.olut = headc57d_olut,
	.ilut_check = head907d_ilut_check,
	.olut_identity = true,
	.olut_size = 1024,
	.olut_set = headca7d_olut_set,
	.olut_clr = headca7d_olut_clr,
	.curs_layout = head917d_curs_layout,
	.curs_format = headc37d_curs_format,
	.curs_set = headca7d_curs_set,
	.curs_clr = headca7d_curs_clr,
	.dither = headca7d_dither,
	.procamp = headca7d_procamp,
	.or = headca7d_or,
	.static_wndw_map = headc37d_static_wndw_map,
	.display_id = headca7d_display_id,
};