1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/staging/media/hantro/sunxi_vpu_hw.c b/drivers/staging/media/hantro/sunxi_vpu_hw.c
new file mode 100644
index 000000000000..90633406c4eb
--- /dev/null
+++ b/drivers/staging/media/hantro/sunxi_vpu_hw.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Allwinner Hantro G2 VPU codec driver
+ *
+ * Copyright (C) 2021 Jernej Skrabec <jernej.skrabec@gmail.com>
+ */
+
+#include <linux/clk.h>
+
+#include "hantro.h"
+
+static const struct hantro_fmt sunxi_vpu_postproc_fmts[] = {
+	{
+		.fourcc = V4L2_PIX_FMT_NV12,
+		.codec_mode = HANTRO_MODE_NONE,
+		.postprocessed = true,
+	},
+};
+
+static const struct hantro_fmt sunxi_vpu_dec_fmts[] = {
+	{
+		.fourcc = V4L2_PIX_FMT_NV12_4L4,
+		.codec_mode = HANTRO_MODE_NONE,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_VP9_FRAME,
+		.codec_mode = HANTRO_MODE_VP9_DEC,
+		.max_depth = 2,
+		.frmsize = {
+			.min_width = 48,
+			.max_width = 3840,
+			.step_width = MB_DIM,
+			.min_height = 48,
+			.max_height = 2160,
+			.step_height = MB_DIM,
+		},
+	},
+};
+
+static int sunxi_vpu_hw_init(struct hantro_dev *vpu)
+{
+	clk_set_rate(vpu->clocks[0].clk, 300000000);
+
+	return 0;
+}
+
+static void sunxi_vpu_reset(struct hantro_ctx *ctx)
+{
+	struct hantro_dev *vpu = ctx->dev;
+
+	reset_control_reset(vpu->resets);
+}
+
+static const struct hantro_codec_ops sunxi_vpu_codec_ops[] = {
+	[HANTRO_MODE_VP9_DEC] = {
+		.run = hantro_g2_vp9_dec_run,
+		.done = hantro_g2_vp9_dec_done,
+		.reset = sunxi_vpu_reset,
+		.init = hantro_vp9_dec_init,
+		.exit = hantro_vp9_dec_exit,
+	},
+};
+
+static const struct hantro_irq sunxi_irqs[] = {
+	{ NULL, hantro_g2_irq },
+};
+
+static const char * const sunxi_clk_names[] = { "mod", "bus" };
+
+const struct hantro_variant sunxi_vpu_variant = {
+	.dec_fmts = sunxi_vpu_dec_fmts,
+	.num_dec_fmts = ARRAY_SIZE(sunxi_vpu_dec_fmts),
+	.postproc_fmts = sunxi_vpu_postproc_fmts,
+	.num_postproc_fmts = ARRAY_SIZE(sunxi_vpu_postproc_fmts),
+	.postproc_ops = &hantro_g2_postproc_ops,
+	.codec = HANTRO_VP9_DECODER,
+	.codec_ops = sunxi_vpu_codec_ops,
+	.init = sunxi_vpu_hw_init,
+	.irqs = sunxi_irqs,
+	.num_irqs = ARRAY_SIZE(sunxi_irqs),
+	.clk_names = sunxi_clk_names,
+	.num_clocks = ARRAY_SIZE(sunxi_clk_names),
+	.double_buffer = 1,
+	.legacy_regs = 1,
+	.late_postproc = 1,
+};