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
12static 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 .frmsize = {
18 .min_width = FMT_MIN_WIDTH,
19 .max_width = FMT_UHD_WIDTH,
20 .step_width = 32,
21 .min_height = FMT_MIN_HEIGHT,
22 .max_height = FMT_UHD_HEIGHT,
23 .step_height = 32,
24 },
25 },
26 {
27 .fourcc = V4L2_PIX_FMT_P010,
28 .codec_mode = HANTRO_MODE_NONE,
29 .postprocessed = true,
30 .frmsize = {
31 .min_width = FMT_MIN_WIDTH,
32 .max_width = FMT_UHD_WIDTH,
33 .step_width = 32,
34 .min_height = FMT_MIN_HEIGHT,
35 .max_height = FMT_UHD_HEIGHT,
36 .step_height = 32,
37 },
38 },
39};
40
41static const struct hantro_fmt sunxi_vpu_dec_fmts[] = {
42 {
43 .fourcc = V4L2_PIX_FMT_NV12_4L4,
44 .codec_mode = HANTRO_MODE_NONE,
45 .match_depth = true,
46 .frmsize = {
47 .min_width = FMT_MIN_WIDTH,
48 .max_width = FMT_UHD_WIDTH,
49 .step_width = 32,
50 .min_height = FMT_MIN_HEIGHT,
51 .max_height = FMT_UHD_HEIGHT,
52 .step_height = 32,
53 },
54 },
55 {
56 .fourcc = V4L2_PIX_FMT_P010_4L4,
57 .codec_mode = HANTRO_MODE_NONE,
58 .match_depth = true,
59 .frmsize = {
60 .min_width = FMT_MIN_WIDTH,
61 .max_width = FMT_UHD_WIDTH,
62 .step_width = 32,
63 .min_height = FMT_MIN_HEIGHT,
64 .max_height = FMT_UHD_HEIGHT,
65 .step_height = 32,
66 },
67 },
68 {
69 .fourcc = V4L2_PIX_FMT_VP9_FRAME,
70 .codec_mode = HANTRO_MODE_VP9_DEC,
71 .max_depth = 2,
72 .frmsize = {
73 .min_width = FMT_MIN_WIDTH,
74 .max_width = FMT_UHD_WIDTH,
75 .step_width = 32,
76 .min_height = FMT_MIN_HEIGHT,
77 .max_height = FMT_UHD_HEIGHT,
78 .step_height = 32,
79 },
80 },
81};
82
83static int sunxi_vpu_hw_init(struct hantro_dev *vpu)
84{
85 clk_set_rate(clk: vpu->clocks[0].clk, rate: 300000000);
86
87 return 0;
88}
89
90static void sunxi_vpu_reset(struct hantro_ctx *ctx)
91{
92 struct hantro_dev *vpu = ctx->dev;
93
94 reset_control_reset(rstc: vpu->resets);
95}
96
97static const struct hantro_codec_ops sunxi_vpu_codec_ops[] = {
98 [HANTRO_MODE_VP9_DEC] = {
99 .run = hantro_g2_vp9_dec_run,
100 .done = hantro_g2_vp9_dec_done,
101 .reset = sunxi_vpu_reset,
102 .init = hantro_vp9_dec_init,
103 .exit = hantro_vp9_dec_exit,
104 },
105};
106
107static const struct hantro_irq sunxi_irqs[] = {
108 { NULL, hantro_g2_irq },
109};
110
111static const char * const sunxi_clk_names[] = { "mod", "bus" };
112
113const struct hantro_variant sunxi_vpu_variant = {
114 .dec_fmts = sunxi_vpu_dec_fmts,
115 .num_dec_fmts = ARRAY_SIZE(sunxi_vpu_dec_fmts),
116 .postproc_fmts = sunxi_vpu_postproc_fmts,
117 .num_postproc_fmts = ARRAY_SIZE(sunxi_vpu_postproc_fmts),
118 .postproc_ops = &hantro_g2_postproc_ops,
119 .codec = HANTRO_VP9_DECODER,
120 .codec_ops = sunxi_vpu_codec_ops,
121 .init = sunxi_vpu_hw_init,
122 .irqs = sunxi_irqs,
123 .num_irqs = ARRAY_SIZE(sunxi_irqs),
124 .clk_names = sunxi_clk_names,
125 .num_clocks = ARRAY_SIZE(sunxi_clk_names),
126 .double_buffer = 1,
127 .legacy_regs = 1,
128 .late_postproc = 1,
129};
130

source code of linux/drivers/media/platform/verisilicon/sunxi_vpu_hw.c