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authorThomas Gleixner <tglx@linutronix.de>2018-02-16 15:47:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-02-16 15:47:26 +0100
commit6dee6ae9d62642e81def4d461d71f13a6496ab59 (patch)
tree6c75d416c427a59f190e197ad83fe59b7bebf656 /drivers/gpu/drm/sun4i/sun8i_ui_scaler.h
parent1beaeacdc88b537703d04d5536235d0bbb36db93 (diff)
parent0b24a0bbe2147815d982d9335c41bb10c04f40bc (diff)
downloadtalos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.tar.gz
talos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.zip
Merge tag 'irqchip-4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.16-rc2 from Marc Zyngier - A MIPS GIC fix for spurious, masked interrupts - A fix for a subtle IPI bug in GICv3 - Do not probe GICv3 ITSs that are marked as disabled - Multi-MSI support for GICv2m - Various cleanups
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_ui_scaler.h')
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_ui_scaler.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_scaler.h b/drivers/gpu/drm/sun4i/sun8i_ui_scaler.h
new file mode 100644
index 000000000000..86295be8be78
--- /dev/null
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_scaler.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2017 Jernej Skrabec <jernej.skrabec@siol.net>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef _SUN8I_UI_SCALER_H_
+#define _SUN8I_UI_SCALER_H_
+
+#include "sun8i_mixer.h"
+
+/* this two macros assumes 16 fractional bits which is standard in DRM */
+#define SUN8I_UI_SCALER_SCALE_MIN 1
+#define SUN8I_UI_SCALER_SCALE_MAX ((1UL << 20) - 1)
+
+#define SUN8I_UI_SCALER_SCALE_FRAC 20
+#define SUN8I_UI_SCALER_PHASE_FRAC 20
+#define SUN8I_UI_SCALER_COEFF_COUNT 16
+#define SUN8I_UI_SCALER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
+
+#define SUN8I_SCALER_GSU_CTRL(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x0)
+#define SUN8I_SCALER_GSU_OUTSIZE(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x40)
+#define SUN8I_SCALER_GSU_INSIZE(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x80)
+#define SUN8I_SCALER_GSU_HSTEP(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x88)
+#define SUN8I_SCALER_GSU_VSTEP(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x8c)
+#define SUN8I_SCALER_GSU_HPHASE(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x90)
+#define SUN8I_SCALER_GSU_VPHASE(vi_cnt, ui_idx) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x98)
+#define SUN8I_SCALER_GSU_HCOEFF(vi_cnt, ui_idx, index) \
+ (0x20000 + 0x20000 * (vi_cnt) + 0x10000 * (ui_idx) + 0x200 + \
+ 0x4 * (index))
+
+#define SUN8I_SCALER_GSU_CTRL_EN BIT(0)
+#define SUN8I_SCALER_GSU_CTRL_COEFF_RDY BIT(4)
+
+void sun8i_ui_scaler_enable(struct sun8i_mixer *mixer, int layer, bool enable);
+void sun8i_ui_scaler_setup(struct sun8i_mixer *mixer, int layer,
+ u32 src_w, u32 src_h, u32 dst_w, u32 dst_h,
+ u32 hscale, u32 vscale, u32 hphase, u32 vphase);
+
+#endif
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