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 .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
28 static const struct hantro_fmt sunxi_vpu_dec_fmts[] = {
29 {
30 .fourcc = V4L2_PIX_FMT_NV12_4L4,
31 .codec_mode = HANTRO_MODE_NONE,
32 .frmsize = {
33 .min_width = FMT_MIN_WIDTH,
34 .max_width = FMT_UHD_WIDTH,
35 .step_width = 32,
36 .min_height = FMT_MIN_HEIGHT,
37 .max_height = FMT_UHD_HEIGHT,
38 .step_height = 32,
39 },
40 },
41 {
42 .fourcc = V4L2_PIX_FMT_VP9_FRAME,
43 .codec_mode = HANTRO_MODE_VP9_DEC,
44 .max_depth = 2,
45 .frmsize = {
46 .min_width = FMT_MIN_WIDTH,
47 .max_width = FMT_UHD_WIDTH,
48 .step_width = 32,
49 .min_height = FMT_MIN_HEIGHT,
50 .max_height = FMT_UHD_HEIGHT,
51 .step_height = 32,
52 },
53 },
54 };
55
sunxi_vpu_hw_init(struct hantro_dev * vpu)56 static int sunxi_vpu_hw_init(struct hantro_dev *vpu)
57 {
58 clk_set_rate(vpu->clocks[0].clk, 300000000);
59
60 return 0;
61 }
62
sunxi_vpu_reset(struct hantro_ctx * ctx)63 static void sunxi_vpu_reset(struct hantro_ctx *ctx)
64 {
65 struct hantro_dev *vpu = ctx->dev;
66
67 reset_control_reset(vpu->resets);
68 }
69
70 static const struct hantro_codec_ops sunxi_vpu_codec_ops[] = {
71 [HANTRO_MODE_VP9_DEC] = {
72 .run = hantro_g2_vp9_dec_run,
73 .done = hantro_g2_vp9_dec_done,
74 .reset = sunxi_vpu_reset,
75 .init = hantro_vp9_dec_init,
76 .exit = hantro_vp9_dec_exit,
77 },
78 };
79
80 static const struct hantro_irq sunxi_irqs[] = {
81 { NULL, hantro_g2_irq },
82 };
83
84 static const char * const sunxi_clk_names[] = { "mod", "bus" };
85
86 const struct hantro_variant sunxi_vpu_variant = {
87 .dec_fmts = sunxi_vpu_dec_fmts,
88 .num_dec_fmts = ARRAY_SIZE(sunxi_vpu_dec_fmts),
89 .postproc_fmts = sunxi_vpu_postproc_fmts,
90 .num_postproc_fmts = ARRAY_SIZE(sunxi_vpu_postproc_fmts),
91 .postproc_ops = &hantro_g2_postproc_ops,
92 .codec = HANTRO_VP9_DECODER,
93 .codec_ops = sunxi_vpu_codec_ops,
94 .init = sunxi_vpu_hw_init,
95 .irqs = sunxi_irqs,
96 .num_irqs = ARRAY_SIZE(sunxi_irqs),
97 .clk_names = sunxi_clk_names,
98 .num_clocks = ARRAY_SIZE(sunxi_clk_names),
99 .double_buffer = 1,
100 .legacy_regs = 1,
101 .late_postproc = 1,
102 };
103