[RESEND PATCH v6 3/5] media: hantro: add support for STM32MP25 VENC

Hugues Fruchet
2024-01-10T10:47:50Z

Add support for STM32MP25 VENC video hardware encoder.
Support of JPEG encoding.
VENC has its own reset/clock/irq.

Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hugues Fruchet <hugues.fruchet@foss.st.com>
---
.../media/platform/verisilicon/hantro_drv.c | 1 +
.../media/platform/verisilicon/hantro_hw.h | 1 +
.../platform/verisilicon/stm32mp25_vpu_hw.c | 90 +++++++++++++++++++
3 files changed, 92 insertions(+)

diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
index fe8e2240324c..34b123dafd89 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c
@@ -738,6 +738,7 @@ static const struct of_device_id of_hantro_match[] = {
#endif
#ifdef CONFIG_VIDEO_HANTRO_STM32MP25
{ .compatible = "st,stm32mp25-vdec", .data = &stm32mp25_vdec_variant, },
+ { .compatible = "st,stm32mp25-venc", .data = &stm32mp25_venc_variant, },
#endif
{ /* sentinel */ }
};
diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h
index 0b4806f67630..7737320cc8cc 100644
--- a/drivers/media/platform/verisilicon/hantro_hw.h
+++ b/drivers/media/platform/verisilicon/hantro_hw.h
@@ -409,6 +409,7 @@ extern const struct hantro_variant rk3588_vpu981_variant;
extern const struct hantro_variant sama5d4_vdec_variant;
extern const struct hantro_variant sunxi_vpu_variant;
extern const struct hantro_variant stm32mp25_vdec_variant;
+extern const struct hantro_variant stm32mp25_venc_variant;

extern const struct hantro_postproc_ops hantro_g1_postproc_ops;
extern const struct hantro_postproc_ops hantro_g2_postproc_ops;
diff --git a/drivers/media/platform/verisilicon/stm32mp25_vpu_hw.c b/drivers/media/platform/verisilicon/stm32mp25_vpu_hw.c
index 6af6edcb6650..833821120b20 100644
--- a/drivers/media/platform/verisilicon/stm32mp25_vpu_hw.c
+++ b/drivers/media/platform/verisilicon/stm32mp25_vpu_hw.c
@@ -9,6 +9,8 @@
*/

#include "hantro.h"
+#include "hantro_jpeg.h"
+#include "hantro_h1_regs.h"

/*
* Supported formats.
@@ -55,6 +57,67 @@ static const struct hantro_fmt stm32mp25_vdec_fmts[] = {
},
};

+static const struct hantro_fmt stm32mp25_venc_fmts[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_YUV420M,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = ROCKCHIP_VPU_ENC_FMT_YUV420P,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_NV12M,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = ROCKCHIP_VPU_ENC_FMT_YUV420SP,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = ROCKCHIP_VPU_ENC_FMT_YUYV422,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = ROCKCHIP_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 = FMT_4K_WIDTH,
+ .step_width = MB_DIM,
+ .min_height = 96,
+ .max_height = FMT_4K_HEIGHT,
+ .step_height = MB_DIM,
+ },
+ },
+};
+
+static irqreturn_t stm32mp25_venc_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, H1_REG_INTERRUPT_BIT, H1_REG_INTERRUPT);
+
+ hantro_irq_done(vpu, state);
+
+ return IRQ_HANDLED;
+}
+
+static void stm32mp25_venc_reset(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ reset_control_reset(vpu->resets);
+}
+
/*
* Supported codec ops.
*/
@@ -74,6 +137,14 @@ static const struct hantro_codec_ops stm32mp25_vdec_codec_ops[] = {
},
};

+static const struct hantro_codec_ops stm32mp25_venc_codec_ops[] = {
+ [HANTRO_MODE_JPEG_ENC] = {
+ .run = hantro_h1_jpeg_enc_run,
+ .reset = stm32mp25_venc_reset,
+ .done = hantro_h1_jpeg_enc_done,
+ },
+};
+
/*
* Variants.
*/
@@ -94,3 +165,22 @@ const struct hantro_variant stm32mp25_vdec_variant = {
.clk_names = stm32mp25_vdec_clk_names,
.num_clocks = ARRAY_SIZE(stm32mp25_vdec_clk_names),
};
+
+static const struct hantro_irq stm32mp25_venc_irqs[] = {
+ { "venc", stm32mp25_venc_irq },
+};
+
+static const char * const stm32mp25_venc_clk_names[] = {
+ "venc-clk"
+};
+
+const struct hantro_variant stm32mp25_venc_variant = {
+ .enc_fmts = stm32mp25_venc_fmts,
+ .num_enc_fmts = ARRAY_SIZE(stm32mp25_venc_fmts),
+ .codec = HANTRO_JPEG_ENCODER,
+ .codec_ops = stm32mp25_venc_codec_ops,
+ .irqs = stm32mp25_venc_irqs,
+ .num_irqs = ARRAY_SIZE(stm32mp25_venc_irqs),
+ .clk_names = stm32mp25_venc_clk_names,
+ .num_clocks = ARRAY_SIZE(stm32mp25_venc_clk_names)
+};