1// SPDX-License-Identifier: MIT
2#include <drm/drm_mode.h>
3#include "nouveau_drv.h"
4#include "nouveau_reg.h"
5#include "nouveau_crtc.h"
6#include "hw.h"
7
8static void
9nv04_cursor_show(struct nouveau_crtc *nv_crtc, bool update)
10{
11	nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, true);
12}
13
14static void
15nv04_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
16{
17	nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, false);
18}
19
20static void
21nv04_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
22{
23	nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
24	NVWriteRAMDAC(nv_crtc->base.dev, nv_crtc->index,
25		      NV_PRAMDAC_CU_START_POS,
26		      XLATE(y, 0, NV_PRAMDAC_CU_START_POS_Y) |
27		      XLATE(x, 0, NV_PRAMDAC_CU_START_POS_X));
28}
29
30static void
31crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index)
32{
33	NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index,
34		       crtcstate->CRTC[index]);
35}
36
37static void
38nv04_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
39{
40	struct drm_device *dev = nv_crtc->base.dev;
41	struct nouveau_drm *drm = nouveau_drm(dev);
42	struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
43	struct drm_crtc *crtc = &nv_crtc->base;
44
45	regp->CRTC[NV_CIO_CRE_HCUR_ADDR0_INDEX] =
46		MASK(NV_CIO_CRE_HCUR_ASI) |
47		XLATE(offset, 17, NV_CIO_CRE_HCUR_ADDR0_ADR);
48	regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] =
49		XLATE(offset, 11, NV_CIO_CRE_HCUR_ADDR1_ADR);
50	if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
51		regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] |=
52			MASK(NV_CIO_CRE_HCUR_ADDR1_CUR_DBL);
53	regp->CRTC[NV_CIO_CRE_HCUR_ADDR2_INDEX] = offset >> 24;
54
55	crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
56	crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
57	crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
58	if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE)
59		nv_fix_nv40_hw_cursor(dev, nv_crtc->index);
60}
61
62int
63nv04_cursor_init(struct nouveau_crtc *crtc)
64{
65	crtc->cursor.set_offset = nv04_cursor_set_offset;
66	crtc->cursor.set_pos = nv04_cursor_set_pos;
67	crtc->cursor.hide = nv04_cursor_hide;
68	crtc->cursor.show = nv04_cursor_show;
69	return 0;
70}
71