This should enable MPEG-2 decoding on the Hantro G1 and JPEG encoding on
the Hantro H1 on i.MX8MM.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/staging/media/hantro/hantro_drv.c | 1 +
drivers/staging/media/hantro/hantro_hw.h | 1 +
drivers/staging/media/hantro/imx8m_vpu_hw.c | 134 ++++++++++++++++++++
3 files changed, 136 insertions(+)
diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index dc9c8ea7ff2d..5e24dc3daf00 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -421,6 +421,7 @@ static const struct of_device_id of_hantro_match[] = {
{ .compatible = "rockchip,rk3399-vpu", .data = &rk3399_vpu_variant, },
{ .compatible = "rockchip,rk3288-vpu", .data = &rk3288_vpu_variant, },
{ .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
+ { .compatible = "nxp,imx8mm-vpu", .data = &imx8mm_vpu_variant, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_hantro_match);
diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
index 3eb70b627ad5..bdd4d98a2d6d 100644
--- a/drivers/staging/media/hantro/hantro_hw.h
+++ b/drivers/staging/media/hantro/hantro_hw.h
@@ -81,6 +81,7 @@ enum hantro_enc_fmt {
extern const struct hantro_variant rk3399_vpu_variant;
extern const struct hantro_variant rk3288_vpu_variant;
extern const struct hantro_variant imx8mq_vpu_variant;
+extern const struct hantro_variant imx8mm_vpu_variant;
void hantro_watchdog(struct work_struct *work);
void hantro_run(struct hantro_ctx *ctx);
diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c
index 2d62bf415cdc..8f5c105743f0 100644
--- a/drivers/staging/media/hantro/imx8m_vpu_hw.c
+++ b/drivers/staging/media/hantro/imx8m_vpu_hw.c
@@ -15,14 +15,17 @@
#define CTRL_SOFT_RESET 0x00
#define RESET_G1 BIT(1)
#define RESET_G2 BIT(0)
+#define RESET_H1 BIT(2)
#define CTRL_CLOCK_ENABLE 0x04
#define CLOCK_G1 BIT(1)
#define CLOCK_G2 BIT(0)
+#define CLOCK_H1 BIT(2)
#define CTRL_G1_DEC_FUSE 0x08
#define CTRL_G1_PP_FUSE 0x0c
#define CTRL_G2_DEC_FUSE 0x10
+#define CTRL_H1_ENC_FUSE 0x14
static void imx8m_soft_reset(struct hantro_dev *vpu, u32 reset_bits)
{
@@ -73,6 +76,30 @@ static int imx8mq_runtime_resume(struct hantro_dev *vpu)
return 0;
}
+static int imx8mm_runtime_resume(struct hantro_dev *vpu)
+{
+ int ret;
+
+ ret = clk_bulk_prepare_enable(vpu->variant->num_clocks, vpu->clocks);
+ if (ret) {
+ dev_err(vpu->dev, "Failed to enable clocks\n");
+ return ret;
+ }
+
+ imx8m_soft_reset(vpu, RESET_G1 | RESET_G2 | RESET_H1);
+ imx8m_clk_enable(vpu, CLOCK_G1 | CLOCK_G2 | RESET_H1);
+
+ /* Set values of the fuse registers */
+ writel(0xffffffff, vpu->ctrl_base + CTRL_G1_DEC_FUSE);
+ writel(0xffffffff, vpu->ctrl_base + CTRL_G1_PP_FUSE);
+ writel(0xffffffff, vpu->ctrl_base + CTRL_G2_DEC_FUSE);
+ writel(0xffffffff, vpu->ctrl_base + CTRL_H1_ENC_FUSE);
+
+ clk_bulk_disable_unprepare(vpu->variant->num_clocks, vpu->clocks);
+
+ return 0;
+}
+
/*
* Supported formats.
*/
@@ -97,6 +124,43 @@ static const struct hantro_fmt imx8m_vpu_dec_fmts[] = {
},
};
+static const struct hantro_fmt imx8mm_vpu_enc_fmts[] = {
+ {
+ .fourcc = V4L2_PIX_FMT_YUV420M,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = RK3288_VPU_ENC_FMT_YUV420P,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_NV12M,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = RK3288_VPU_ENC_FMT_YUV420SP,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_YUYV,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = RK3288_VPU_ENC_FMT_YUYV422,
+ },
+ {
+ .fourcc = V4L2_PIX_FMT_UYVY,
+ .codec_mode = HANTRO_MODE_NONE,
+ .enc_fmt = RK3288_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 = JPEG_MB_DIM,
+ .min_height = 32,
+ .max_height = 8192,
+ .step_height = JPEG_MB_DIM,
+ },
+ },
+};
+
static irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
{
struct hantro_dev *vpu = dev_id;
@@ -115,6 +179,25 @@ static irqreturn_t imx8m_vpu_g1_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static irqreturn_t imx8mm_vpu_h1_irq(int irq, void *dev_id)
+{
+ struct hantro_dev *vpu = dev_id;
+ enum vb2_buffer_state state;
+ u32 status, bytesused;
+
+ status = vepu_read(vpu, VEPU_REG_INTERRUPT);
+ bytesused = vepu_read(vpu, VEPU_REG_STR_BUF_LIMIT) / 8;
+ state = (status & VEPU_REG_INTERRUPT_FRAME_RDY) ?
+ VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR;
+
+ vepu_write(vpu, 0, VEPU_REG_INTERRUPT);
+ vepu_write(vpu, 0, VEPU_REG_AXI_CTRL);
+
+ hantro_irq_done(vpu, bytesused, state);
+
+ return IRQ_HANDLED;
+}
+
static int imx8mq_vpu_hw_init(struct hantro_dev *vpu)
{
vpu->dec_base = vpu->base[0];
@@ -123,6 +206,15 @@ static int imx8mq_vpu_hw_init(struct hantro_dev *vpu)
return 0;
}
+static int imx8mm_vpu_hw_init(struct hantro_dev *vpu)
+{
+ vpu->dec_base = vpu->base[0];
+ vpu->enc_base = vpu->base[2];
+ vpu->ctrl_base = vpu->base[vpu->variant->num_regs - 1];
+
+ return 0;
+}
+
static void imx8m_vpu_g1_reset(struct hantro_ctx *ctx)
{
struct hantro_dev *vpu = ctx->dev;
@@ -130,6 +222,13 @@ static void imx8m_vpu_g1_reset(struct hantro_ctx *ctx)
imx8m_soft_reset(vpu, RESET_G1);
}
+static void imx8mm_vpu_h1_reset(struct hantro_ctx *ctx)
+{
+ struct hantro_dev *vpu = ctx->dev;
+
+ imx8m_soft_reset(vpu, RESET_H1);
+}
+
/*
* Supported codec ops.
*/
@@ -143,6 +242,21 @@ static const struct hantro_codec_ops imx8mq_vpu_codec_ops[] = {
},
};
+static const struct hantro_codec_ops imx8mm_vpu_codec_ops[] = {
+ [HANTRO_MODE_MPEG2_DEC] = {
+ .run = hantro_g1_mpeg2_dec_run,
+ .reset = imx8m_vpu_g1_reset,
+ .init = hantro_mpeg2_dec_init,
+ .exit = hantro_mpeg2_dec_exit,
+ },
+ [HANTRO_MODE_JPEG_ENC] = {
+ .run = hantro_h1_jpeg_enc_run,
+ .reset = imx8mm_vpu_h1_reset,
+ .init = hantro_jpeg_enc_init,
+ .exit = hantro_jpeg_enc_exit,
+ },
+};
+
/*
* VPU variants.
*/
@@ -165,3 +279,23 @@ const struct hantro_variant imx8mq_vpu_variant = {
.reg_names = { "g1", "g2", "ctrl" },
.num_regs = 3,
};
+
+const struct hantro_variant imx8mm_vpu_variant = {
+ .dec_fmts = imx8m_vpu_dec_fmts,
+ .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_dec_fmts),
+ .codec = HANTRO_MPEG2_DECODER,
+ .codec_ops = imx8mm_vpu_codec_ops,
+ .init = imx8mm_vpu_hw_init,
+ .runtime_resume = imx8mm_runtime_resume,
+ .irq_handlers = {
+ imx8m_vpu_g1_irq,
+ NULL, /* TODO: imx8m_vpu_g2_irq */
+ imx8mm_vpu_h1_irq
+ },
+ .irq_names = { "g1", "g2", "h1" },
+ .num_irqs = 3,
+ .clk_names = { "g1", "g2", "h1", "bus" },
+ .num_clocks = 4,
+ .reg_names = { "g1", "g2", "h1", "ctrl" },
+ .num_regs = 4,
+};
--
2.20.1
