Re: [PATCH 05/10] media: hantro: add support for Rockchip RK3036

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Hi Ezequiel,

Am 26.05.21 um 12:28 schrieb Ezequiel Garcia:
Hi Alex,

Thanks a lot for the patch.

On Tue, 2021-05-25 at 17:22 +0200, Alex Bee wrote:
RK3036's VPU IP block is the same as RK3288 has, except that it doesn't
have an encoder, decoding is supported up to 1920x1088 only and the axi
clock can be set to 300 MHz max.

Add a new RK3036 variant which reflect this differences.

Signed-off-by: Alex Bee <knaerzche@xxxxxxxxx>
---
  drivers/staging/media/hantro/hantro_drv.c    |  1 +
  drivers/staging/media/hantro/hantro_hw.h     |  1 +
  drivers/staging/media/hantro/rk3288_vpu_hw.c | 49 ++++++++++++++++++++
  3 files changed, 51 insertions(+)

diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
index 38ea7b24036e..4f3c08e85bb8 100644
--- a/drivers/staging/media/hantro/hantro_drv.c
+++ b/drivers/staging/media/hantro/hantro_drv.c
@@ -490,6 +490,7 @@ static const struct of_device_id of_hantro_match[] = {
         { .compatible = "rockchip,rk3328-vpu", .data = &rk3328_vpu_variant, },
         { .compatible = "rockchip,rk3288-vpu", .data = &rk3288_vpu_variant, },
         { .compatible = "rockchip,rk3066-vpu", .data = &rk3066_vpu_variant, },
+       { .compatible = "rockchip,rk3036-vpu", .data = &rk3036_vpu_variant, },
  #endif
  #ifdef CONFIG_VIDEO_HANTRO_IMX8M
         { .compatible = "nxp,imx8mq-vpu", .data = &imx8mq_vpu_variant, },
diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h
index de2bc367a15a..d8d6b0d3c3b3 100644
--- a/drivers/staging/media/hantro/hantro_hw.h
+++ b/drivers/staging/media/hantro/hantro_hw.h
@@ -164,6 +164,7 @@ 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 rk3066_vpu_variant;
+extern const struct hantro_variant rk3036_vpu_variant;
  extern const struct hantro_variant imx8mq_vpu_variant;
  extern const struct hantro_variant sama5d4_vdec_variant;
diff --git a/drivers/staging/media/hantro/rk3288_vpu_hw.c b/drivers/staging/media/hantro/rk3288_vpu_hw.c
index 29805c4bd92f..c4684df4e012 100644
--- a/drivers/staging/media/hantro/rk3288_vpu_hw.c
+++ b/drivers/staging/media/hantro/rk3288_vpu_hw.c
@@ -174,6 +174,13 @@ static irqreturn_t rk3288_vepu_irq(int irq, void *dev_id)
         return IRQ_HANDLED;
  }
+static int rk3036_vpu_hw_init(struct hantro_dev *vpu)
+{
+       /* Bump ACLKs to max. possible freq. to improve performance. */
+       clk_set_rate(vpu->clocks[0].clk, RK3066_ACLK_MAX_FREQ);
+       return 0;
+}
+
  static int rk3066_vpu_hw_init(struct hantro_dev *vpu)
  {
         /* Bump ACLKs to max. possible freq. to improve performance. */
@@ -209,6 +216,27 @@ static void rk3288_vpu_enc_reset(struct hantro_ctx *ctx)
  /*
   * Supported codec ops.
   */
+static const struct hantro_codec_ops rk3036_vpu_codec_ops[] = {
+       [HANTRO_MODE_H264_DEC] = {
+               .run = hantro_g1_h264_dec_run,
+               .reset = hantro_g1_reset,
+               .init = hantro_h264_dec_init,
+               .exit = hantro_h264_dec_exit,
+       },
+       [HANTRO_MODE_MPEG2_DEC] = {
+               .run = hantro_g1_mpeg2_dec_run,
+               .reset = hantro_g1_reset,
+               .init = hantro_mpeg2_dec_init,
+               .exit = hantro_mpeg2_dec_exit,
+       },
+       [HANTRO_MODE_VP8_DEC] = {
+               .run = hantro_g1_vp8_dec_run,
+               .reset = hantro_g1_reset,
+               .init = hantro_vp8_dec_init,
+               .exit = hantro_vp8_dec_exit,
+       },
+};
+
  static const struct hantro_codec_ops rk3066_vpu_codec_ops[] = {
         [HANTRO_MODE_JPEG_ENC] = {
                 .run = hantro_h1_jpeg_enc_run,
@@ -269,6 +297,10 @@ static const struct hantro_codec_ops rk3288_vpu_codec_ops[] = {
   * VPU variant.
   */
+static const struct hantro_irq rk3036_irqs[] = {
+       { "vdpu", hantro_g1_irq },
+};
+
  static const struct hantro_irq rk3288_irqs[] = {
         { "vepu", rk3288_vepu_irq },
         { "vdpu", hantro_g1_irq },
@@ -283,6 +315,23 @@ static const char * const rk3288_clk_names[] = {
         "aclk", "hclk"
  };
+const struct hantro_variant rk3036_vpu_variant = {
+       .dec_offset = 0x400,
If it doesn't have an encoder, then you should just
use dec_offset = 0x0.

Thanks,
Ezequiel

That would mean, I'd have to adapt the register offset in the device tree - I'd prefer to keep it in line with the TRM. Unless you insist, I'd like to keep it this way (It's , btw, the very same for RK3328).

Alex




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