ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/meson/meson_vpp.c b/marvell/linux/drivers/gpu/drm/meson/meson_vpp.c
new file mode 100644
index 0000000..5df1957
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/meson/meson_vpp.c
@@ -0,0 +1,165 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ * Copyright (C) 2014 Endless Mobile
+ */
+
+#include <linux/export.h>
+
+#include "meson_drv.h"
+#include "meson_registers.h"
+#include "meson_vpp.h"
+
+/**
+ * DOC: Video Post Processing
+ *
+ * VPP Handles all the Post Processing after the Scanout from the VIU
+ * We handle the following post processings :
+ *
+ * - Postblend, Blends the OSD1 only
+ * We exclude OSD2, VS1, VS1 and Preblend output
+ * - Vertical OSD Scaler for OSD1 only, we disable vertical scaler and
+ * use it only for interlace scanout
+ * - Intermediate FIFO with default Amlogic values
+ *
+ * What is missing :
+ *
+ * - Preblend for video overlay pre-scaling
+ * - OSD2 support for cursor framebuffer
+ * - Video pre-scaling before postblend
+ * - Full Vertical/Horizontal OSD scaling to support TV overscan
+ * - HDR conversion
+ */
+
+void meson_vpp_setup_mux(struct meson_drm *priv, unsigned int mux)
+{
+ writel(mux, priv->io_base + _REG(VPU_VIU_VENC_MUX_CTRL));
+}
+
+static unsigned int vpp_filter_coefs_4point_bspline[] = {
+ 0x15561500, 0x14561600, 0x13561700, 0x12561800,
+ 0x11551a00, 0x11541b00, 0x10541c00, 0x0f541d00,
+ 0x0f531e00, 0x0e531f00, 0x0d522100, 0x0c522200,
+ 0x0b522300, 0x0b512400, 0x0a502600, 0x0a4f2700,
+ 0x094e2900, 0x084e2a00, 0x084d2b00, 0x074c2c01,
+ 0x074b2d01, 0x064a2f01, 0x06493001, 0x05483201,
+ 0x05473301, 0x05463401, 0x04453601, 0x04433702,
+ 0x04423802, 0x03413a02, 0x03403b02, 0x033f3c02,
+ 0x033d3d03
+};
+
+static void meson_vpp_write_scaling_filter_coefs(struct meson_drm *priv,
+ const unsigned int *coefs,
+ bool is_horizontal)
+{
+ int i;
+
+ writel_relaxed(is_horizontal ? VPP_SCALE_HORIZONTAL_COEF : 0,
+ priv->io_base + _REG(VPP_OSD_SCALE_COEF_IDX));
+ for (i = 0; i < 33; i++)
+ writel_relaxed(coefs[i],
+ priv->io_base + _REG(VPP_OSD_SCALE_COEF));
+}
+
+static const uint32_t vpp_filter_coefs_bicubic[] = {
+ 0x00800000, 0x007f0100, 0xff7f0200, 0xfe7f0300,
+ 0xfd7e0500, 0xfc7e0600, 0xfb7d0800, 0xfb7c0900,
+ 0xfa7b0b00, 0xfa7a0dff, 0xf9790fff, 0xf97711ff,
+ 0xf87613ff, 0xf87416fe, 0xf87218fe, 0xf8701afe,
+ 0xf76f1dfd, 0xf76d1ffd, 0xf76b21fd, 0xf76824fd,
+ 0xf76627fc, 0xf76429fc, 0xf7612cfc, 0xf75f2ffb,
+ 0xf75d31fb, 0xf75a34fb, 0xf75837fa, 0xf7553afa,
+ 0xf8523cfa, 0xf8503ff9, 0xf84d42f9, 0xf84a45f9,
+ 0xf84848f8
+};
+
+static void meson_vpp_write_vd_scaling_filter_coefs(struct meson_drm *priv,
+ const unsigned int *coefs,
+ bool is_horizontal)
+{
+ int i;
+
+ writel_relaxed(is_horizontal ? VPP_SCALE_HORIZONTAL_COEF : 0,
+ priv->io_base + _REG(VPP_SCALE_COEF_IDX));
+ for (i = 0; i < 33; i++)
+ writel_relaxed(coefs[i],
+ priv->io_base + _REG(VPP_SCALE_COEF));
+}
+
+void meson_vpp_init(struct meson_drm *priv)
+{
+ /* set dummy data default YUV black */
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
+ writel_relaxed(0x108080, priv->io_base + _REG(VPP_DUMMY_DATA1));
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) {
+ writel_bits_relaxed(0xff << 16, 0xff << 16,
+ priv->io_base + _REG(VIU_MISC_CTRL1));
+ writel_relaxed(VPP_PPS_DUMMY_DATA_MODE,
+ priv->io_base + _REG(VPP_DOLBY_CTRL));
+ writel_relaxed(0x1020080,
+ priv->io_base + _REG(VPP_DUMMY_DATA1));
+ writel_relaxed(0x42020,
+ priv->io_base + _REG(VPP_DUMMY_DATA));
+ } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
+ writel_relaxed(0xf, priv->io_base + _REG(DOLBY_PATH_CTRL));
+
+ /* Initialize vpu fifo control registers */
+ if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
+ writel_relaxed(VPP_OFIFO_SIZE_DEFAULT,
+ priv->io_base + _REG(VPP_OFIFO_SIZE));
+ else
+ writel_bits_relaxed(VPP_OFIFO_SIZE_MASK, 0x77f,
+ priv->io_base + _REG(VPP_OFIFO_SIZE));
+ writel_relaxed(VPP_POSTBLEND_HOLD_LINES(4) | VPP_PREBLEND_HOLD_LINES(4),
+ priv->io_base + _REG(VPP_HOLD_LINES));
+
+ if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
+ /* Turn off preblend */
+ writel_bits_relaxed(VPP_PREBLEND_ENABLE, 0,
+ priv->io_base + _REG(VPP_MISC));
+
+ /* Turn off POSTBLEND */
+ writel_bits_relaxed(VPP_POSTBLEND_ENABLE, 0,
+ priv->io_base + _REG(VPP_MISC));
+
+ /* Force all planes off */
+ writel_bits_relaxed(VPP_OSD1_POSTBLEND | VPP_OSD2_POSTBLEND |
+ VPP_VD1_POSTBLEND | VPP_VD2_POSTBLEND |
+ VPP_VD1_PREBLEND | VPP_VD2_PREBLEND, 0,
+ priv->io_base + _REG(VPP_MISC));
+
+ /* Setup default VD settings */
+ writel_relaxed(4096,
+ priv->io_base + _REG(VPP_PREBLEND_VD1_H_START_END));
+ writel_relaxed(4096,
+ priv->io_base + _REG(VPP_BLEND_VD2_H_START_END));
+ }
+
+ /* Disable Scalers */
+ writel_relaxed(0, priv->io_base + _REG(VPP_OSD_SC_CTRL0));
+ writel_relaxed(0, priv->io_base + _REG(VPP_OSD_VSC_CTRL0));
+ writel_relaxed(0, priv->io_base + _REG(VPP_OSD_HSC_CTRL0));
+
+ /* Set horizontal/vertical bank length and enable video scale out */
+ writel_relaxed(VPP_VSC_BANK_LENGTH(4) | VPP_HSC_BANK_LENGTH(4) |
+ VPP_SC_VD_EN_ENABLE,
+ priv->io_base + _REG(VPP_SC_MISC));
+
+ /* Enable minus black level for vadj1 */
+ writel_relaxed(VPP_MINUS_BLACK_LVL_VADJ1_ENABLE,
+ priv->io_base + _REG(VPP_VADJ_CTRL));
+
+ /* Write in the proper filter coefficients. */
+ meson_vpp_write_scaling_filter_coefs(priv,
+ vpp_filter_coefs_4point_bspline, false);
+ meson_vpp_write_scaling_filter_coefs(priv,
+ vpp_filter_coefs_4point_bspline, true);
+
+ /* Write the VD proper filter coefficients. */
+ meson_vpp_write_vd_scaling_filter_coefs(priv, vpp_filter_coefs_bicubic,
+ false);
+ meson_vpp_write_vd_scaling_filter_coefs(priv, vpp_filter_coefs_bicubic,
+ true);
+}