Re: [PATCH v7 12/13] media: hantro: IMX8M: add variant for G2/HEVC codec
From: Ezequiel Garcia
Date: Mon Mar 29 2021 - 15:30:03 EST
On Mon, 2021-03-29 at 08:57 +0200, Benjamin Gaignard wrote:
> Add variant to IMX8M to enable G2/HEVC codec.
> Define the capabilities for the hardware up to 3840x2160.
> G2 doesn't have postprocessor, use the same clocks and got it
> own interruption.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
> Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> ---
> version 7:
> - Add Philipp Reviewed-by tag.
>
> version 5:
> - remove useless postproc fields for G2
>
> version 2:
> - remove useless clocks
>
> drivers/staging/media/hantro/hantro_drv.c | 1 +
> drivers/staging/media/hantro/hantro_hw.h | 1 +
> drivers/staging/media/hantro/imx8m_vpu_hw.c | 76 ++++++++++++++++++++-
> 3 files changed, 76 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
> index 33b8bd38eac1..ed380a8bef93 100644
> --- a/drivers/staging/media/hantro/hantro_drv.c
> +++ b/drivers/staging/media/hantro/hantro_drv.c
> @@ -574,6 +574,7 @@ static const struct of_device_id of_hantro_match[] = {
> #endif
> #ifdef CONFIG_VIDEO_HANTRO_IMX8M
> { .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
> + { .compatible = "nxp,imx8mq-vpu-g2", .data = &imx8mq_vpu_g2_variant },
> #endif
> { /* sentinel */ }
> };
> diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
> index 5788188aae50..b4e7490bbe45 100644
> --- a/drivers/staging/media/hantro/hantro_hw.h
> +++ b/drivers/staging/media/hantro/hantro_hw.h
> @@ -193,6 +193,7 @@ extern const struct hantro_variant rk3399_vpu_variant;
> extern const struct hantro_variant rk3328_vpu_variant;
> extern const struct hantro_variant rk3288_vpu_variant;
> extern const struct hantro_variant imx8mq_vpu_variant;
> +extern const struct hantro_variant imx8mq_vpu_g2_variant;
>
> extern const struct hantro_postproc_regs hantro_g1_postproc_regs;
>
> diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
> index 8d0c3425234b..6de43e0edc36 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.h"
> #include "hantro_jpeg.h"
> #include "hantro_g1_regs.h"
> +#include "hantro_g2_regs.h"
>
> #define CTRL_SOFT_RESET 0x00
> #define RESET_G1 BIT(1)
> @@ -129,6 +130,26 @@ static const struct hantro_fmt imx8m_vpu_dec_fmts[] = {
> },
> };
>
> +static const struct hantro_fmt imx8m_vpu_g2_dec_fmts[] = {
> + {
> + .fourcc = V4L2_PIX_FMT_NV12,
> + .codec_mode = HANTRO_MODE_NONE,
> + },
> + {
> + .fourcc = V4L2_PIX_FMT_HEVC_SLICE,
> + .codec_mode = HANTRO_MODE_HEVC_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 irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
> {
> struct hantro_dev *vpu = dev_id;
> @@ -147,6 +168,24 @@ static irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
> return IRQ_HANDLED;
> }
>
> +static irqreturn_t imx8m_vpu_g2_irq(int irq, void *dev_id)
> +{
> + struct hantro_dev *vpu = dev_id;
> + enum vb2_buffer_state state;
> + u32 status;
> +
> + status = vdpu_read(vpu, HEVC_REG_INTERRUPT);
> + state = (status & HEVC_REG_INTERRUPT_DEC_RDY_INT) ?
> + VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
> +
> + vdpu_write(vpu, 0, HEVC_REG_INTERRUPT);
> + vdpu_write(vpu, HEVC_REG_CONFIG_DEC_CLK_GATE_E, HEVC_REG_CONFIG);
> +
> + hantro_irq_done(vpu, state);
> +
> + return IRQ_HANDLED;
> +}
> +
> static int imx8mq_vpu_hw_init(struct hantro_dev *vpu)
> {
> struct device_node *np = vpu->dev->of_node;
> @@ -176,6 +215,13 @@ static void imx8m_vpu_g1_reset(struct hantro_ctx *ctx)
> imx8m_soft_reset(vpu, RESET_G1);
> }
>
> +static void imx8m_vpu_g2_reset(struct hantro_ctx *ctx)
> +{
> + struct hantro_dev *vpu = ctx->dev;
> +
> + imx8m_soft_reset(vpu, RESET_G2);
> +}
> +
> /*
> * Supported codec ops.
> */
> @@ -201,16 +247,28 @@ static const struct hantro_codec_ops imx8mq_vpu_codec_ops[] = {
> },
> };
>
> +static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = {
> + [HANTRO_MODE_HEVC_DEC] = {
> + .run = hantro_g2_hevc_dec_run,
> + .reset = imx8m_vpu_g2_reset,
> + .init = hantro_hevc_dec_init,
> + .exit = hantro_hevc_dec_exit,
> + },
> +};
> +
> /*
> * VPU variants.
> */
>
> static const struct hantro_irq imx8mq_irqs[] = {
> { "g1", imx8m_vpu_g1_irq },
> - { "g2", NULL /* TODO: imx8m_vpu_g2_irq */ },
> };
>
> -static const char * const imx8mq_clk_names[] = { "g1", "g2", "bus" };
> +static const struct hantro_irq imx8mq_g2_irqs[] = {
> + { "g2", imx8m_vpu_g2_irq },
> +};
> +
> +static const char * const imx8mq_clk_names[] = { "g1", "g2", "bus"};
>
> const struct hantro_variant imx8mq_vpu_variant = {
> .dec_fmts = imx8m_vpu_dec_fmts,
> @@ -228,3 +286,17 @@ const struct hantro_variant imx8mq_vpu_variant = {
> .clk_names = imx8mq_clk_names,
> .num_clocks = ARRAY_SIZE(imx8mq_clk_names),
> };
> +
> +const struct hantro_variant imx8mq_vpu_g2_variant = {
> + .dec_offset = 0x0,
> + .dec_fmts = imx8m_vpu_g2_dec_fmts,
> + .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_g2_dec_fmts),
> + .codec = HANTRO_HEVC_DECODER,
> + .codec_ops = imx8mq_vpu_g2_codec_ops,
> + .init = imx8mq_vpu_hw_init,
> + .runtime_resume = imx8mq_runtime_resume,
> + .irqs = imx8mq_g2_irqs,
> + .num_irqs = ARRAY_SIZE(imx8mq_g2_irqs),
> + .clk_names = imx8mq_clk_names,
> + .num_clocks = ARRAY_SIZE(imx8mq_clk_names),
> +};