media: hantro: Add support for MPEG-2 decoding on RK3328

Add necessary bits to support MPEG2 decoding on RK3328.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/hantro/Kconfig

@@ -20,4 +20,4 @@ config VIDEO_HANTRO_ROCKCHIP
 	depends on ARCH_ROCKCHIP || COMPILE_TEST
 	default y
 	help
-	  Enable support for RK3288 and RK3399 SoCs.
+	  Enable support for RK3288, RK3328, and RK3399 SoCs.

drivers/staging/media/hantro/hantro_drv.c

@@ -425,6 +425,7 @@ static const struct v4l2_file_operations hantro_fops = {
 static const struct of_device_id of_hantro_match[] = {
 #ifdef CONFIG_VIDEO_HANTRO_ROCKCHIP
 	{ .compatible = "rockchip,rk3399-vpu", .data = &rk3399_vpu_variant, },
+	{ .compatible = "rockchip,rk3328-vpu", .data = &rk3328_vpu_variant, },
 	{ .compatible = "rockchip,rk3288-vpu", .data = &rk3288_vpu_variant, },
 #endif
 	{ /* sentinel */ }

drivers/staging/media/hantro/rk3399_vpu_hw.c

@@ -184,3 +184,20 @@ const struct hantro_variant rk3399_vpu_variant = {
 	.clk_names = rk3399_clk_names,
 	.num_clocks = ARRAY_SIZE(rk3399_clk_names)
 };
+
+static const struct hantro_irq rk3328_irqs[] = {
+	{ "vdpu", rk3399_vdpu_irq },
+};
+
+const struct hantro_variant rk3328_vpu_variant = {
+	.dec_offset = 0x400,
+	.dec_fmts = rk3399_vpu_dec_fmts,
+	.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
+	.codec = HANTRO_MPEG2_DECODER,
+	.codec_ops = rk3399_vpu_codec_ops,
+	.irqs = rk3328_irqs,
+	.num_irqs = ARRAY_SIZE(rk3328_irqs),
+	.init = rk3399_vpu_hw_init,
+	.clk_names = rk3399_clk_names,
+	.num_clocks = ARRAY_SIZE(rk3399_clk_names),
+};