drm/tegra: Add hardware cursor support
Enable hardware cursor support on Tegra124. Earlier generations support
the hardware cursor to some degree as well, but not in a way that can be
generically exposed.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h
index 44e31ae..78c5fef 100644
--- a/drivers/gpu/drm/tegra/dc.h
+++ b/drivers/gpu/drm/tegra/dc.h
@@ -67,10 +67,12 @@
#define WIN_A_ACT_REQ (1 << 1)
#define WIN_B_ACT_REQ (1 << 2)
#define WIN_C_ACT_REQ (1 << 3)
+#define CURSOR_ACT_REQ (1 << 7)
#define GENERAL_UPDATE (1 << 8)
#define WIN_A_UPDATE (1 << 9)
#define WIN_B_UPDATE (1 << 10)
#define WIN_C_UPDATE (1 << 11)
+#define CURSOR_UPDATE (1 << 15)
#define NC_HOST_TRIG (1 << 24)
#define DC_CMD_DISPLAY_WINDOW_HEADER 0x042
@@ -116,9 +118,10 @@
#define DC_DISP_DISP_SIGNAL_OPTIONS1 0x401
#define DC_DISP_DISP_WIN_OPTIONS 0x402
-#define HDMI_ENABLE (1 << 30)
-#define DSI_ENABLE (1 << 29)
-#define SOR_ENABLE (1 << 25)
+#define HDMI_ENABLE (1 << 30)
+#define DSI_ENABLE (1 << 29)
+#define SOR_ENABLE (1 << 25)
+#define CURSOR_ENABLE (1 << 16)
#define DC_DISP_DISP_MEM_HIGH_PRIORITY 0x403
#define CURSOR_THRESHOLD(x) (((x) & 0x03) << 24)
@@ -266,6 +269,14 @@
#define DC_DISP_CURSOR_BACKGROUND 0x43d
#define DC_DISP_CURSOR_START_ADDR 0x43e
+#define CURSOR_CLIP_DISPLAY (0 << 28)
+#define CURSOR_CLIP_WIN_A (1 << 28)
+#define CURSOR_CLIP_WIN_B (2 << 28)
+#define CURSOR_CLIP_WIN_C (3 << 28)
+#define CURSOR_SIZE_32x32 (0 << 24)
+#define CURSOR_SIZE_64x64 (1 << 24)
+#define CURSOR_SIZE_128x128 (2 << 24)
+#define CURSOR_SIZE_256x256 (3 << 24)
#define DC_DISP_CURSOR_START_ADDR_NS 0x43f
#define DC_DISP_CURSOR_POSITION 0x440
@@ -302,6 +313,19 @@
#define INTERLACE_START (1 << 1)
#define INTERLACE_ENABLE (1 << 0)
+#define DC_DISP_CURSOR_START_ADDR_HI 0x4ec
+#define DC_DISP_BLEND_CURSOR_CONTROL 0x4f1
+#define CURSOR_MODE_LEGACY (0 << 24)
+#define CURSOR_MODE_NORMAL (1 << 24)
+#define CURSOR_DST_BLEND_ZERO (0 << 16)
+#define CURSOR_DST_BLEND_K1 (1 << 16)
+#define CURSOR_DST_BLEND_NEG_K1_TIMES_SRC (2 << 16)
+#define CURSOR_DST_BLEND_MASK (3 << 16)
+#define CURSOR_SRC_BLEND_K1 (0 << 8)
+#define CURSOR_SRC_BLEND_K1_TIMES_SRC (1 << 8)
+#define CURSOR_SRC_BLEND_MASK (3 << 8)
+#define CURSOR_ALPHA 0xff
+
#define DC_WIN_CSC_YOF 0x611
#define DC_WIN_CSC_KYRGB 0x612
#define DC_WIN_CSC_KUR 0x613