Add support for STM32MP25 VENC video hardware encoder.
Support of JPEG encoding.
VENC has its own reset/clock/irq.
Signed-off-by: Hugues Fruchet <hugues.fruchet@xxxxxxxxxxx>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
---
drivers/media/platform/verisilicon/Makefile | 3 +-
.../media/platform/verisilicon/hantro_drv.c | 1 +
.../media/platform/verisilicon/hantro_hw.h | 1 +
.../platform/verisilicon/stm32mp25_venc_hw.c | 115 ++++++++++++++++++
4 files changed, 119 insertions(+), 1 deletion(-)
create mode 100644 drivers/media/platform/verisilicon/stm32mp25_venc_hw.c
diff --git a/drivers/media/platform/verisilicon/Makefile
b/drivers/media/platform/verisilicon/Makefile
index 5854e0f0dd32..3bf43fdbedc1 100644
--- a/drivers/media/platform/verisilicon/Makefile
+++ b/drivers/media/platform/verisilicon/Makefile
@@ -41,4 +41,5 @@ hantro-vpu-$(CONFIG_VIDEO_HANTRO_SUNXI) += \
sunxi_vpu_hw.o
hantro-vpu-$(CONFIG_VIDEO_HANTRO_STM32MP25) += \
- stm32mp25_vdec_hw.o
+ stm32mp25_vdec_hw.o \
+ stm32mp25_venc_hw.o
diff --git a/drivers/media/platform/verisilicon/hantro_drv.c
b/drivers/media/platform/verisilicon/hantro_drv.c
index 2db27c333924..4d97a8ac03de 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c
@@ -736,6 +736,7 @@ 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 b7eccc1a96fc..70c72e9d11d5 100644
--- a/drivers/media/platform/verisilicon/hantro_hw.h
+++ b/drivers/media/platform/verisilicon/hantro_hw.h
@@ -407,6 +407,7 @@ 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_venc_hw.c
b/drivers/media/platform/verisilicon/stm32mp25_venc_hw.c
new file mode 100644
index 000000000000..0ff0f073b922
--- /dev/null
+++ b/drivers/media/platform/verisilicon/stm32mp25_venc_hw.c
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * STM32MP25 VENC video encoder driver
+ *
+ * Copyright (C) STMicroelectronics SA 2022
+ * Authors: Hugues Fruchet <hugues.fruchet@xxxxxxxxxxx>
+ * for STMicroelectronics.
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/reset.h>
+
+#include "hantro.h"
+#include "hantro_jpeg.h"
+#include "hantro_h1_regs.h"
+
+/*
+ * Supported formats.
+ */
+
+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)
+{
+}
+
+/*
+ * Supported 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.
+ */
+
+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)
+};
+
