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path: root/drivers/gpu/drm/sun4i/sun4i_backend.h
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_backend.h')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_backend.h52
1 files changed, 45 insertions, 7 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.h b/drivers/gpu/drm/sun4i/sun4i_backend.h
index 21945af67a9d..b4383777c83b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.h
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.h
@@ -1,13 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2015 Free Electrons
* Copyright (C) 2015 NextThing Co
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
*/
#ifndef _SUN4I_BACKEND_H_
@@ -25,7 +21,8 @@
#define SUN4I_BACKEND_MODCTL_LINE_SEL BIT(29)
#define SUN4I_BACKEND_MODCTL_ITLMOD_EN BIT(28)
#define SUN4I_BACKEND_MODCTL_OUT_SEL GENMASK(22, 20)
-#define SUN4I_BACKEND_MODCTL_OUT_LCD (0 << 20)
+#define SUN4I_BACKEND_MODCTL_OUT_LCD0 (0 << 20)
+#define SUN4I_BACKEND_MODCTL_OUT_LCD1 (1 << 20)
#define SUN4I_BACKEND_MODCTL_OUT_FE0 (6 << 20)
#define SUN4I_BACKEND_MODCTL_OUT_FE1 (7 << 20)
#define SUN4I_BACKEND_MODCTL_HWC_EN BIT(16)
@@ -67,10 +64,15 @@
#define SUN4I_BACKEND_CKMIN_REG 0x884
#define SUN4I_BACKEND_CKCFG_REG 0x888
#define SUN4I_BACKEND_ATTCTL_REG0(l) (0x890 + (0x4 * (l)))
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_MASK GENMASK(31, 24)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA(x) ((x) << 24)
#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL_MASK BIT(15)
#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PIPESEL(x) ((x) << 15)
#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL_MASK GENMASK(11, 10)
#define SUN4I_BACKEND_ATTCTL_REG0_LAY_PRISEL(x) ((x) << 10)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_YUVEN BIT(2)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_VDOEN BIT(1)
+#define SUN4I_BACKEND_ATTCTL_REG0_LAY_GLBALPHA_EN BIT(0)
#define SUN4I_BACKEND_ATTCTL_REG1(l) (0x8a0 + (0x4 * (l)))
#define SUN4I_BACKEND_ATTCTL_REG1_LAY_HSCAFCT GENMASK(15, 14)
@@ -108,9 +110,27 @@
#define SUN4I_BACKEND_SPREN_REG 0x900
#define SUN4I_BACKEND_SPRFMTCTL_REG 0x908
#define SUN4I_BACKEND_SPRALPHACTL_REG 0x90c
+
#define SUN4I_BACKEND_IYUVCTL_REG 0x920
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_MASK GENMASK(14, 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV444 (4 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PACKED_YUV422 (3 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV444 (2 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV222 (1 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBFMT_PLANAR_YUV111 (0 << 12)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_MASK GENMASK(9, 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_YVYU (3 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_VYUY (2 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_YUYV (1 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_UYVY (0 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_VUYA (1 << 8)
+#define SUN4I_BACKEND_IYUVCTL_FBPS_AYUV (0 << 8)
+#define SUN4I_BACKEND_IYUVCTL_EN BIT(0)
+
#define SUN4I_BACKEND_IYUVADD_REG(c) (0x930 + (0x4 * (c)))
-#define SUN4I_BACKEND_IYUVLINEWITDTH_REG(c) (0x940 + (0x4 * (c)))
+
+#define SUN4I_BACKEND_IYUVLINEWIDTH_REG(c) (0x940 + (0x4 * (c)))
+
#define SUN4I_BACKEND_YGCOEF_REG(c) (0x950 + (0x4 * (c)))
#define SUN4I_BACKEND_YGCONS_REG 0x95c
#define SUN4I_BACKEND_URCOEF_REG(c) (0x960 + (0x4 * (c)))
@@ -142,8 +162,13 @@
#define SUN4I_BACKEND_HWCCOLORTAB_OFF 0x4c00
#define SUN4I_BACKEND_PIPE_OFF(p) (0x5000 + (0x400 * (p)))
+#define SUN4I_BACKEND_NUM_LAYERS 4
+#define SUN4I_BACKEND_NUM_FRONTEND_LAYERS 1
+#define SUN4I_BACKEND_NUM_YUV_PLANES 1
+
struct sun4i_backend {
struct sunxi_engine engine;
+ struct sun4i_frontend *frontend;
struct reset_control *reset;
@@ -153,6 +178,12 @@ struct sun4i_backend {
struct clk *sat_clk;
struct reset_control *sat_reset;
+
+ /* Protects against races in the frontend teardown */
+ spinlock_t frontend_lock;
+ bool frontend_teardown;
+
+ const struct sun4i_backend_quirks *quirks;
};
static inline struct sun4i_backend *
@@ -163,11 +194,18 @@ engine_to_sun4i_backend(struct sunxi_engine *engine)
void sun4i_backend_layer_enable(struct sun4i_backend *backend,
int layer, bool enable);
+bool sun4i_backend_format_is_supported(uint32_t fmt, uint64_t modifier);
int sun4i_backend_update_layer_coord(struct sun4i_backend *backend,
int layer, struct drm_plane *plane);
int sun4i_backend_update_layer_formats(struct sun4i_backend *backend,
int layer, struct drm_plane *plane);
int sun4i_backend_update_layer_buffer(struct sun4i_backend *backend,
int layer, struct drm_plane *plane);
+int sun4i_backend_update_layer_frontend(struct sun4i_backend *backend,
+ int layer, uint32_t in_fmt);
+int sun4i_backend_update_layer_zpos(struct sun4i_backend *backend,
+ int layer, struct drm_plane *plane);
+void sun4i_backend_cleanup_layer(struct sun4i_backend *backend,
+ int layer);
#endif /* _SUN4I_BACKEND_H_ */