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path: root/drivers/gpu/drm/nouveau/dispnv04/cursor.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/dispnv04/cursor.c')
-rw-r--r--drivers/gpu/drm/nouveau/dispnv04/cursor.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv04/cursor.c b/drivers/gpu/drm/nouveau/dispnv04/cursor.c
new file mode 100644
index 000000000..4c6440d29
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv04/cursor.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: MIT
+#include <drm/drm_mode.h>
+#include "nouveau_drv.h"
+#include "nouveau_reg.h"
+#include "nouveau_crtc.h"
+#include "hw.h"
+
+static void
+nv04_cursor_show(struct nouveau_crtc *nv_crtc, bool update)
+{
+ nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, true);
+}
+
+static void
+nv04_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
+{
+ nv_show_cursor(nv_crtc->base.dev, nv_crtc->index, false);
+}
+
+static void
+nv04_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
+{
+ nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
+ NVWriteRAMDAC(nv_crtc->base.dev, nv_crtc->index,
+ NV_PRAMDAC_CU_START_POS,
+ XLATE(y, 0, NV_PRAMDAC_CU_START_POS_Y) |
+ XLATE(x, 0, NV_PRAMDAC_CU_START_POS_X));
+}
+
+static void
+crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index)
+{
+ NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index,
+ crtcstate->CRTC[index]);
+}
+
+static void
+nv04_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
+{
+ struct drm_device *dev = nv_crtc->base.dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
+ struct drm_crtc *crtc = &nv_crtc->base;
+
+ regp->CRTC[NV_CIO_CRE_HCUR_ADDR0_INDEX] =
+ MASK(NV_CIO_CRE_HCUR_ASI) |
+ XLATE(offset, 17, NV_CIO_CRE_HCUR_ADDR0_ADR);
+ regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] =
+ XLATE(offset, 11, NV_CIO_CRE_HCUR_ADDR1_ADR);
+ if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
+ regp->CRTC[NV_CIO_CRE_HCUR_ADDR1_INDEX] |=
+ MASK(NV_CIO_CRE_HCUR_ADDR1_CUR_DBL);
+ regp->CRTC[NV_CIO_CRE_HCUR_ADDR2_INDEX] = offset >> 24;
+
+ crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR0_INDEX);
+ crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR1_INDEX);
+ crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_HCUR_ADDR2_INDEX);
+ if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CURIE)
+ nv_fix_nv40_hw_cursor(dev, nv_crtc->index);
+}
+
+int
+nv04_cursor_init(struct nouveau_crtc *crtc)
+{
+ crtc->cursor.set_offset = nv04_cursor_set_offset;
+ crtc->cursor.set_pos = nv04_cursor_set_pos;
+ crtc->cursor.hide = nv04_cursor_hide;
+ crtc->cursor.show = nv04_cursor_show;
+ return 0;
+}