[RFC 4/5] media: hantro: Add H1 encoder support on i.MX8M Mini

[Adam Ford]

The i.MX8M Mini has supports the Hantro H1 encoder, so
enable it using the same supported formats as other devices
using the H1 encoder.

Signed-off-by: Adam Ford <aford173 at gmail.com>
---
 drivers/staging/media/hantro/hantro_drv.c   |  1 +
 drivers/staging/media/hantro/hantro_hw.h    |  1 +
 drivers/staging/media/hantro/imx8m_vpu_hw.c | 83 +++++++++++++++++++++
 3 files changed, 85 insertions(+)

diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 2aa1c520be50..29e8dc52c2e4 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -594,6 +594,7 @@ static const struct of_device_id of_hantro_match[] = {
 #ifdef CONFIG_VIDEO_HANTRO_IMX8M
 	{ .compatible = "nxp,imx8mm-vpu", .data = &imx8mm_vpu_variant, },
 	{ .compatible = "nxp,imx8mm-vpu-g2", .data = &imx8mm_vpu_g2_variant },
+	{ .compatible = "nxp,imx8mm-vpu-h1", .data = &imx8mm_vpu_h1_variant },
 	{ .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
 	{ .compatible = "nxp,imx8mq-vpu-g2", .data = &imx8mq_vpu_g2_variant },
 #endif
diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
index c276ecd57066..9f6ae5bf13ee 100644
--- a/drivers/staging/media/hantro/hantro_hw.h
+++ b/drivers/staging/media/hantro/hantro_hw.h
@@ -212,6 +212,7 @@ enum hantro_enc_fmt {
 };
 
 extern const struct hantro_variant imx8mm_vpu_g2_variant;
+extern const struct hantro_variant imx8mm_vpu_h1_variant;
 extern const struct hantro_variant imx8mm_vpu_variant;
 extern const struct hantro_variant imx8mq_vpu_g2_variant;
 extern const struct hantro_variant imx8mq_vpu_variant;
diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
index c819609d14d1..69760f88efa5 100644
--- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
+++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
@@ -12,6 +12,7 @@
 #include "hantro_jpeg.h"
 #include "hantro_g1_regs.h"
 #include "hantro_g2_regs.h"
+#include "hantro_h1_regs.h"
 
 #define CTRL_SOFT_RESET		0x00
 #define RESET_G1		BIT(1)
@@ -151,6 +152,43 @@ static const struct hantro_fmt imx8m_vpu_g2_dec_fmts[] = {
 	},
 };
 
+static const struct hantro_fmt imx8m_vpu_h1_enc_fmts[] = {
+	{
+		.fourcc = V4L2_PIX_FMT_YUV420M,
+		.codec_mode = HANTRO_MODE_NONE,
+		.enc_fmt = HANTRO_VPU_ENC_FMT_YUV420P,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_NV12M,
+		.codec_mode = HANTRO_MODE_NONE,
+		.enc_fmt = HANTRO_VPU_ENC_FMT_YUV420SP,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_YUYV,
+		.codec_mode = HANTRO_MODE_NONE,
+		.enc_fmt = HANTRO_VPU_ENC_FMT_YUYV422,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_UYVY,
+		.codec_mode = HANTRO_MODE_NONE,
+		.enc_fmt = HANTRO_VPU_ENC_FMT_UYVY422,
+	},
+	{
+		.fourcc = V4L2_PIX_FMT_JPEG,
+		.codec_mode = HANTRO_MODE_JPEG_ENC,
+		.max_depth = 2,
+		.header_size = JPEG_HEADER_SIZE,
+		.frmsize = {
+			.min_width = 96,
+			.max_width = 8192,
+			.step_width = MB_DIM,
+			.min_height = 32,
+			.max_height = 8192,
+			.step_height = MB_DIM,
+		},
+	},
+};
+
 static irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
 {
 	struct hantro_dev *vpu = dev_id;
@@ -187,6 +225,24 @@ static irqreturn_t imx8m_vpu_g2_irq(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+static irqreturn_t imx8m_vpu_h1_irq(int irq, void *dev_id)
+{
+	struct hantro_dev *vpu = dev_id;
+	enum vb2_buffer_state state;
+	u32 status;
+
+	status = vepu_read(vpu, H1_REG_INTERRUPT);
+	state = (status & H1_REG_INTERRUPT_FRAME_RDY) ?
+		VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
+
+	vepu_write(vpu, 0, H1_REG_INTERRUPT);
+	vepu_write(vpu, 0, H1_REG_AXI_CTRL);
+
+	hantro_irq_done(vpu, state);
+
+	return IRQ_HANDLED;
+}
+
 static int imx8mq_vpu_hw_init(struct hantro_dev *vpu)
 {
 	vpu->ctrl_base = vpu->reg_bases[vpu->variant->num_regs - 1];
@@ -268,6 +324,15 @@ static const struct hantro_codec_ops imx8mm_vpu_g2_codec_ops[] = {
 	},
 };
 
+static const struct hantro_codec_ops imx8mm_vpu_h1_codec_ops[] = {
+	[HANTRO_MODE_JPEG_ENC] = {
+		.run = hantro_h1_jpeg_enc_run,
+		.init = hantro_jpeg_enc_init,
+		.done = hantro_jpeg_enc_done,
+		.exit = hantro_jpeg_enc_exit,
+	},
+};
+
 /*
  * VPU variants.
  */
@@ -280,6 +345,10 @@ static const struct hantro_irq imx8mq_g2_irqs[] = {
 	{ "g2", imx8m_vpu_g2_irq },
 };
 
+static const struct hantro_irq imx8mq_h1_irqs[] = {
+	{ "h1", imx8m_vpu_h1_irq },
+};
+
 static const char * const imx8mq_clk_names[] = { "g1", "g2", "bus" };
 static const char * const imx8mq_reg_names[] = { "g1", "g2", "ctrl" };
 
@@ -287,6 +356,8 @@ static const char * const imx8mm_g1_clk_names[] = { "g1", "bus" };
 static const char * const imx8mm_g1_reg_names[] = { "g1" };
 static const char * const imx8mm_g2_clk_names[] = { "g2", "bus" };
 static const char * const imx8mm_g2_reg_names[] = { "g2" };
+static const char * const imx8mm_h1_clk_names[] = { "h1", "bus" };
+static const char * const imx8mm_h1_reg_names[] = { "h1" };
 
 const struct hantro_variant imx8mq_vpu_variant = {
 	.dec_fmts = imx8m_vpu_dec_fmts,
@@ -349,3 +420,15 @@ const struct hantro_variant imx8mm_vpu_g2_variant = {
 	.clk_names = imx8mm_g2_clk_names,
 	.num_clocks = ARRAY_SIZE(imx8mm_g2_reg_names),
 };
+
+const struct hantro_variant imx8mm_vpu_h1_variant = {
+	.enc_offset = 0x0,
+	.enc_fmts = imx8m_vpu_h1_enc_fmts,
+	.num_enc_fmts = ARRAY_SIZE(imx8m_vpu_h1_enc_fmts),
+	.codec = HANTRO_JPEG_ENCODER,
+	.codec_ops = imx8mm_vpu_h1_codec_ops,
+	.irqs = imx8mq_h1_irqs,
+	.num_irqs = ARRAY_SIZE(imx8mq_h1_irqs),
+	.clk_names = imx8mm_h1_clk_names,
+	.num_clocks = ARRAY_SIZE(imx8mm_h1_clk_names)
+};
-- 
2.32.0