hantro/sunxi_vpu_hw.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Allwinner Hantro G2 VPU codec driver
   4  *
   5  * Copyright (C) 2021 Jernej Skrabec <jernej.skrabec@gmail.com>
   6  */
   7
   8 #include <linux/clk.h>
   9
  10 #include "hantro.h"
  11
  12 static const struct hantro_fmt sunxi_vpu_postproc_fmts[] = {
  13         {
  14                 .fourcc = V4L2_PIX_FMT_NV12,
  15                 .codec_mode = HANTRO_MODE_NONE,
  16                 .postprocessed = true,
  17         },
  18 };
  19
  20 static const struct hantro_fmt sunxi_vpu_dec_fmts[] = {
  21         {
  22                 .fourcc = V4L2_PIX_FMT_NV12_4L4,
  23                 .codec_mode = HANTRO_MODE_NONE,
  24         },
  25         {
  26                 .fourcc = V4L2_PIX_FMT_VP9_FRAME,
  27                 .codec_mode = HANTRO_MODE_VP9_DEC,
  28                 .max_depth = 2,
  29                 .frmsize = {
  30                         .min_width = 48,
  31                         .max_width = 3840,
  32                         .step_width = 32,
  33                         .min_height = 48,
  34                         .max_height = 2160,
  35                         .step_height = 32,
  36                 },
  37         },
  38 };
  39
  40 static int sunxi_vpu_hw_init(struct hantro_dev *vpu)
  41 {
  42         clk_set_rate(vpu->clocks[0].clk, 300000000);
  43
  44         return 0;
  45 }
  46
  47 static void sunxi_vpu_reset(struct hantro_ctx *ctx)
  48 {
  49         struct hantro_dev *vpu = ctx->dev;
  50
  51         reset_control_reset(vpu->resets);
  52 }
  53
  54 static const struct hantro_codec_ops sunxi_vpu_codec_ops[] = {
  55         [HANTRO_MODE_VP9_DEC] = {
  56                 .run = hantro_g2_vp9_dec_run,
  57                 .done = hantro_g2_vp9_dec_done,
  58                 .reset = sunxi_vpu_reset,
  59                 .init = hantro_vp9_dec_init,
  60                 .exit = hantro_vp9_dec_exit,
  61         },
  62 };
  63
  64 static const struct hantro_irq sunxi_irqs[] = {
  65         { NULL, hantro_g2_irq },
  66 };
  67
  68 static const char * const sunxi_clk_names[] = { "mod", "bus" };
  69
  70 const struct hantro_variant sunxi_vpu_variant = {
  71         .dec_fmts = sunxi_vpu_dec_fmts,
  72         .num_dec_fmts = ARRAY_SIZE(sunxi_vpu_dec_fmts),
  73         .postproc_fmts = sunxi_vpu_postproc_fmts,
  74         .num_postproc_fmts = ARRAY_SIZE(sunxi_vpu_postproc_fmts),
  75         .postproc_ops = &hantro_g2_postproc_ops,
  76         .codec = HANTRO_VP9_DECODER,
  77         .codec_ops = sunxi_vpu_codec_ops,
  78         .init = sunxi_vpu_hw_init,
  79         .irqs = sunxi_irqs,
  80         .num_irqs = ARRAY_SIZE(sunxi_irqs),
  81         .clk_names = sunxi_clk_names,
  82         .num_clocks = ARRAY_SIZE(sunxi_clk_names),
  83         .double_buffer = 1,
  84         .legacy_regs = 1,
  85         .late_postproc = 1,
  86 };