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/*
* Rockchip VPU codec driver
*
* Copyright (C) 2016 Rockchip Electronics Co., Ltd.
* Alpha Lin <Alpha.Lin@rock-chips.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "rockchip_vpu_common.h"
#include <linux/types.h>
#include <linux/sort.h>
#include "rk3399_vpu_regs.h"
#include "rockchip_vpu_hw.h"
/* Various parameters specific to VP8 encoder. */
#define VP8_CABAC_CTX_OFFSET 192
#define VP8_CABAC_CTX_SIZE ((55 + 96) << 3)
/* ((1920 * 1088 * 4 / 256 + 63) / 64 * 8) */
#define VP8_SEGMENT_MAP_SIZE 4087
/* threshold of MBs count to disable quarter pixel mv for encode speed */
#define MAX_MB_COUNT_TO_DISABLE_QUARTER_PIXEL_MV 3600
/* threshold of MBs count to disable multi mv in one macro block */
#define MAX_MB_COUNT_TO_DISABLE_SPLIT_MV 1584
#define QINDEX_RANGE 128
/* experimentally fitted, 24.893*exp(0.02545*qp) */
static const int32_t split_penalty[QINDEX_RANGE] = {
24, 25, 26, 26, 27, 28, 29, 29,
30, 31, 32, 32, 33, 34, 35, 36,
37, 38, 39, 40, 41, 42, 43, 44,
45, 47, 48, 49, 50, 52, 53, 54,
56, 57, 59, 60, 62, 63, 65, 67,
68, 70, 72, 74, 76, 78, 80, 82,
84, 86, 88, 91, 93, 95, 98, 100,
103, 106, 108, 111, 114, 117, 120, 123,
126, 130, 133, 136, 140, 144, 147, 151,
155, 159, 163, 167, 172, 176, 181, 185,
190, 195, 200, 205, 211, 216, 222, 227,
233, 239, 245, 252, 258, 265, 272, 279,
286, 293, 301, 309, 317, 325, 333, 342,
351, 360, 369, 379, 388, 398, 409, 419,
430, 441, 453, 464, 476, 488, 501, 514,
527, 541, 555, 569, 584, 599, 614, 630
};
static const int dc_q_lookup[QINDEX_RANGE] = {
4, 5, 6, 7, 8, 9, 10, 10, 11, 12,
13, 14, 15, 16, 17, 17, 18, 19, 20, 20,
21, 21, 22, 22, 23, 23, 24, 25, 25, 26,
27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
37, 37, 38, 39, 40, 41, 42, 43, 44, 45,
46, 46, 47, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
75, 76, 76, 77, 78, 79, 80, 81, 82, 83,
84, 85, 86, 87, 88, 89, 91, 93, 95, 96,
98, 100, 101, 102, 104, 106, 108, 110, 112, 114,
116, 118, 122, 124, 126, 128, 130, 132, 134, 136,
138, 140, 143, 145, 148, 151, 154, 157
};
static const int ac_q_lookup[QINDEX_RANGE] = {
4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
54, 55, 56, 57, 58, 60, 62, 64, 66, 68,
70, 72, 74, 76, 78, 80, 82, 84, 86, 88,
90, 92, 94, 96, 98, 100, 102, 104, 106, 108,
110, 112, 114, 116, 119, 122, 125, 128, 131, 134,
137, 140, 143, 146, 149, 152, 155, 158, 161, 164,
167, 170, 173, 177, 181, 185, 189, 193, 197, 201,
205, 209, 213, 217, 221, 225, 229, 234, 239, 245,
249, 254, 259, 264, 269, 274, 279, 284
};
static const int32_t const qrounding_factors[QINDEX_RANGE] = {
56, 56, 56, 56, 56, 56, 56, 56, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
48, 48, 48, 48, 48, 48, 48, 48
};
static const int32_t const qzbin_factors[QINDEX_RANGE] = {
64, 64, 64, 64, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80, 80, 80,
80, 80, 80, 80, 80, 80, 80, 80
};
static const int32_t zbin_boost[16] = {
0, 0, 8, 10, 12, 14, 16, 20, 24, 28,
32, 36, 40, 44, 44, 44
};
/* Intra 16x16 mode tree penalty values */
static s32 intra_16_tree_penalty[] = {
305, 841, 914, 1082
};
/* Intra 4x4 mode tree penalty values */
static s32 intra_4_tree_penalty[] = {
280, 622, 832, 1177, 1240, 1341, 1085, 1259, 1357, 1495
};
/* ~round((2*(2+exp((x+22)/39)) + (2+exp((x+15)/32)))/3) */
static s32 weight[QINDEX_RANGE] = {
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 7, 7, 7,
7, 7, 7, 7, 7, 8, 8, 8, 8, 8,
8, 8, 9, 9, 9, 9, 9, 10, 10, 10,
10, 11, 11, 11, 12, 12, 13, 13, 13, 13,
14, 14, 14, 14, 15, 15, 15, 16, 16, 17,
17, 18, 18, 19, 19, 20, 20, 20, 21, 22,
23, 23, 24, 24, 25, 25, 26, 27, 28, 28,
29, 30, 31, 32, 32, 33, 34, 35, 36, 37,
38, 39, 40, 41, 42, 44, 44, 46, 47, 48,
50, 51, 52, 54, 55, 57, 58, 61
};
struct tree {
int32_t value; /* Bits describe the bool tree */
int32_t number; /* Number, valid bit count in above tree */
int32_t index[9]; /* Probability table index */
};
/* Motion vector tree */
static struct tree mv_tree[] = {
{ 0, 3, { 0, 1, 2 } }, /* mv_0 000 */
{ 1, 3, { 0, 1, 2 } }, /* mv_1 001 */
{ 2, 3, { 0, 1, 3 } }, /* mv_2 010 */
{ 3, 3, { 0, 1, 3 } }, /* mv_3 011 */
{ 4, 3, { 0, 4, 5 } }, /* mv_4 100 */
{ 5, 3, { 0, 4, 5 } }, /* mv_5 101 */
{ 6, 3, { 0, 4, 6 } }, /* mv_6 110 */
{ 7, 3, { 0, 4, 6 } }, /* mv_7 111 */
};
/* If probability being zero is p, then average number of bits used to encode 0
* is log2(1/p), to encode 1 is log2(1/(1-p)).
*
* For example, if the probability of being zero is 0.5
* bin = 0 -> average bits used is log2(1/0.5) = 1 bits/bin
* bin = 1 -> average bits used is log2(1/(1 - 0.5) = 1 bits/bin
*
* For example, if the probability of being zero is 0.95
* bin = 0 -> average bits used is log2(1/0.95) = 0.074 bits/bin
* bin = 1 -> average bits used is log2(1/(1 - 0.95) = 4.321 bits/bin
*
* The cost[p] is average number of bits used to encode 0 if the probability is
* p / 256, scaled by a magic number 256,
* i.e., cost[p] = round(log2(256 / p) * 256).
*/
static const s32 const vp8_prob_cost[] = {
2048, 2048, 1792, 1642, 1536, 1454, 1386, 1329, 1280, 1236,
1198, 1162, 1130, 1101, 1073, 1048, 1024, 1002, 980, 961,
942, 924, 906, 890, 874, 859, 845, 831, 817, 804,
792, 780, 768, 757, 746, 735, 724, 714, 705, 695,
686, 676, 668, 659, 650, 642, 634, 626, 618, 611,
603, 596, 589, 582, 575, 568, 561, 555, 548, 542,
536, 530, 524, 518, 512, 506, 501, 495, 490, 484,
479, 474, 468, 463, 458, 453, 449, 444, 439, 434,
430, 425, 420, 416, 412, 407, 403, 399, 394, 390,
386, 382, 378, 374, 370, 366, 362, 358, 355, 351,
347, 343, 340, 336, 333, 329, 326, 322, 319, 315,
312, 309, 305, 302, 299, 296, 292, 289, 286, 283,
280, 277, 274, 271, 268, 265, 262, 259, 256, 253,
250, 247, 245, 242, 239, 236, 234, 231, 228, 226,
223, 220, 218, 215, 212, 210, 207, 205, 202, 200,
197, 195, 193, 190, 188, 185, 183, 181, 178, 176,
174, 171, 169, 167, 164, 162, 160, 158, 156, 153,
151, 149, 147, 145, 143, 140, 138, 136, 134, 132,
130, 128, 126, 124, 122, 120, 118, 116, 114, 112,
110, 108, 106, 104, 102, 101, 99, 97, 95, 93,
91, 89, 87, 86, 84, 82, 80, 78, 77, 75,
73, 71, 70, 68, 66, 64, 63, 61, 59, 58,
56, 54, 53, 51, 49, 48, 46, 44, 43, 41,
40, 38, 36, 35, 33, 32, 30, 28, 27, 25,
24, 22, 21, 19, 18, 16, 15, 13, 12, 10,
9, 7, 6, 4, 3, 1
};
/* Approximate bit cost of bin at given probability prob */
#define COST_BOOL(prob, bin) vp8_prob_cost[(bin) ? 255 - (prob) : prob]
/**
* struct rk3399_vpu_vp8e_ctrl_buf - hardware control buffer layout
* @ext_hdr_size: Ext header size in bytes (written by hardware).
* @dct_size: DCT partition size (written by hardware).
* @rsvd: Reserved for hardware.
*/
struct rk3399_vpu_vp8e_ctrl_buf {
u32 ext_hdr_size;
u32 dct_size;
u8 rsvd[1016];
};
int rk3399_vpu_vp8e_init(struct rockchip_vpu_ctx *ctx)
{
struct rockchip_vpu_dev *vpu = ctx->dev;
size_t height = ctx->src_fmt.height;
size_t width = ctx->src_fmt.width;
size_t ref_buf_size;
size_t mv_size;
int ret;
ret = rockchip_vpu_aux_buf_alloc(vpu, &ctx->hw.vp8e.ctrl_buf,
sizeof(struct rk3399_vpu_vp8e_ctrl_buf));
if (ret) {
vpu_err("failed to allocate ctrl buffer\n");
return ret;
}
mv_size = DIV_ROUND_UP(width, 16) * DIV_ROUND_UP(height, 16) * 4;
ret = rockchip_vpu_aux_buf_alloc(vpu, &ctx->hw.vp8e.mv_buf, mv_size);
if (ret) {
vpu_err("failed to allocate MV buffer\n");
goto err_ctrl_buf;
}
ref_buf_size = rockchip_vpu_rounded_luma_size(width, height) * 3 / 2;
ret = rockchip_vpu_aux_buf_alloc(vpu, &ctx->hw.vp8e.ext_buf,
2 * ref_buf_size);
if (ret) {
vpu_err("failed to allocate ext buffer\n");
goto err_mv_buf;
}
return 0;
err_mv_buf:
rockchip_vpu_aux_buf_free(vpu, &ctx->hw.vp8e.mv_buf);
err_ctrl_buf:
rockchip_vpu_aux_buf_free(vpu, &ctx->hw.vp8e.ctrl_buf);
return ret;
}
void rk3399_vpu_vp8e_exit(struct rockchip_vpu_ctx *ctx)
{
struct rockchip_vpu_dev *vpu = ctx->dev;
rockchip_vpu_aux_buf_free(vpu, &ctx->hw.vp8e.ext_buf);
rockchip_vpu_aux_buf_free(vpu, &ctx->hw.vp8e.mv_buf);
rockchip_vpu_aux_buf_free(vpu, &ctx->hw.vp8e.ctrl_buf);
}
static inline u32 enc_in_img_ctrl(struct rockchip_vpu_ctx *ctx)
{
struct v4l2_pix_format_mplane *pix_fmt = &ctx->src_fmt;
const struct rk3399_vp8e_reg_params *params =
(struct rk3399_vp8e_reg_params *)ctx->run.vp8e.reg_params;
struct v4l2_rect *crop = &ctx->src_crop;
unsigned overfill_r, overfill_b;
u32 first_free_bits = (params->frm_hdr_size & 7) * 8;
/*
* The hardware needs only the value for luma plane, because
* values of other planes are calculated internally based on
* format setting.
*/
overfill_r = (pix_fmt->width - crop->width) / 4;
overfill_b = pix_fmt->height - crop->height;
/** TODO, finish first free bit when assemble frame header
* done
*/
return VEPU_REG_STREAM_START_OFFSET(first_free_bits) |
VEPU_REG_IN_IMG_CTRL_OVRFLR_D4(overfill_r) |
VEPU_REG_IN_IMG_CTRL_OVRFLB(overfill_b) |
VEPU_REG_SKIP_MACROBLOCK_PENALTY(params->qp >= 100 ?
(3 * params->qp / 4) : 0);
}
static void rk3399_vpu_vp8e_set_buffers(struct rockchip_vpu_dev *vpu,
struct rockchip_vpu_ctx *ctx)
{
const struct rk3399_vp8e_reg_params *params =
(struct rk3399_vp8e_reg_params *)ctx->run.vp8e.reg_params;
dma_addr_t ref_buf_dma, rec_buf_dma;
dma_addr_t stream_dma;
size_t rounded_size;
dma_addr_t dst_dma;
size_t dst_size;
vpu_debug_enter();
rounded_size = rockchip_vpu_rounded_luma_size(ctx->src_fmt.width,
ctx->src_fmt.height);
ref_buf_dma = rec_buf_dma = ctx->hw.vp8e.ext_buf.dma;
if (ctx->hw.vp8e.ref_rec_ptr)
ref_buf_dma += rounded_size * 3 / 2;
else
rec_buf_dma += rounded_size * 3 / 2;
ctx->hw.vp8e.ref_rec_ptr ^= 1;
dst_dma = vb2_dma_contig_plane_dma_addr(&ctx->run.dst->b.vb2_buf, 0);
dst_size = vb2_plane_size(&ctx->run.dst->b.vb2_buf, 0);
/*
* stream addr-->|
* align 64bits->|<-start offset->|
* |<---------header size-------->|<---dst buf---
*/
stream_dma = round_down(dst_dma + params->frm_hdr_size, 8);
/**
* Userspace will pass 8 bytes aligned size(round_down) to us,
* so we need to plus start offset to get real header size.
*
* |<-aligned size->|<-start offset->|
* |<----------header size---------->|
*/
vpu_debug(0, "frame header size %u\n", params->frm_hdr_size);
ctx->run.dst->vp8e.hdr_size = params->frm_hdr_size;
if (params->is_intra)
ctx->run.dst->b.flags |= V4L2_BUF_FLAG_KEYFRAME;
else
ctx->run.dst->b.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
/*
* We assume here that 1/10 of the buffer is enough for headers.
* DCT partition will be placed in remaining 9/10 of the buffer.
*/
ctx->run.dst->vp8e.dct_offset = round_up(dst_size / 10, 8);
/* Destination buffer. */
vepu_write_relaxed(vpu, stream_dma, VEPU_REG_ADDR_OUTPUT_STREAM);
vepu_write_relaxed(vpu, dst_dma + ctx->run.dst->vp8e.dct_offset,
VEPU_REG_ADDR_VP8_DCT_PART(0));
vepu_write_relaxed(vpu, dst_size - ctx->run.dst->vp8e.dct_offset,
VEPU_REG_STR_BUF_LIMIT);
/* Auxiliary buffers. */
vepu_write_relaxed(vpu, ctx->hw.vp8e.ctrl_buf.dma,
VEPU_REG_ADDR_OUTPUT_CTRL);
vepu_write_relaxed(vpu, ctx->hw.vp8e.mv_buf.dma,
VEPU_REG_ADDR_MV_OUT);
vepu_write_relaxed(vpu, ctx->run.priv_dst.dma,
VEPU_REG_ADDR_VP8_PROB_CNT);
vepu_write_relaxed(vpu, ctx->run.priv_src.dma + VP8_CABAC_CTX_OFFSET,
VEPU_REG_ADDR_CABAC_TBL);
memset(ctx->run.priv_src.cpu + VP8_CABAC_CTX_OFFSET +
VP8_CABAC_CTX_SIZE, 0, VP8_SEGMENT_MAP_SIZE);
vepu_write_relaxed(vpu, ctx->run.priv_src.dma
+ VP8_CABAC_CTX_OFFSET + VP8_CABAC_CTX_SIZE,
VEPU_REG_ADDR_VP8_SEG_MAP);
/* Reference buffers. */
vepu_write_relaxed(vpu, ref_buf_dma,
VEPU_REG_ADDR_REF_LUMA);
vepu_write_relaxed(vpu, ref_buf_dma + rounded_size,
VEPU_REG_ADDR_REF_CHROMA);
/* Reconstruction buffers. */
vepu_write_relaxed(vpu, rec_buf_dma,
VEPU_REG_ADDR_REC_LUMA);
vepu_write_relaxed(vpu, rec_buf_dma + rounded_size,
VEPU_REG_ADDR_REC_CHROMA);
/* Source buffer. */
if (rockchip_vpu_ctx_is_dummy_encode(ctx)) {
vepu_write_relaxed(vpu, vpu->dummy_encode_src[PLANE_Y].dma,
VEPU_REG_ADDR_IN_LUMA);
vepu_write_relaxed(vpu, vpu->dummy_encode_src[PLANE_CB].dma,
VEPU_REG_ADDR_IN_CB);
vepu_write_relaxed(vpu, vpu->dummy_encode_src[PLANE_CR].dma,
VEPU_REG_ADDR_IN_CR);
} else {
vepu_write_relaxed(vpu, vb2_dma_contig_plane_dma_addr(
&ctx->run.src->b.vb2_buf, PLANE_Y),
VEPU_REG_ADDR_IN_LUMA);
vepu_write_relaxed(vpu, vb2_dma_contig_plane_dma_addr(
&ctx->run.src->b.vb2_buf, PLANE_CB),
VEPU_REG_ADDR_IN_CB);
vepu_write_relaxed(vpu, vb2_dma_contig_plane_dma_addr(
&ctx->run.src->b.vb2_buf, PLANE_CR),
VEPU_REG_ADDR_IN_CR);
}
/* Source parameters. */
vepu_write_relaxed(vpu, enc_in_img_ctrl(ctx),
VEPU_REG_ENC_OVER_FILL_STRM_OFFSET);
vpu_debug_leave();
}
static s32 cost_tree(struct tree *tree, const s32 *prob)
{
s32 value = tree->value;
s32 number = tree->number;
s32 *index = tree->index;
s32 bit_cost = 0;
while (number--)
bit_cost += COST_BOOL(prob[*index++], (value >> number) & 1);
return bit_cost;
}
static s32 cost_mv(s32 mvd, const s32 *mv_prob)
{
s32 i, tmp, bit_cost = 0;
/* Luma motion vectors are doubled, see 18.1 in "VP8 Data Format and
* Decoding Guide".
*/
BUG_ON(mvd & 1);
tmp = abs(mvd >> 1);
/* Short Tree */
if (tmp < 8) {
bit_cost += COST_BOOL(mv_prob[0], 0);
bit_cost += cost_tree(&mv_tree[tmp], mv_prob + 2);
if (!tmp)
return bit_cost;
/* Sign */
bit_cost += COST_BOOL(mv_prob[1], mvd < 0);
return bit_cost;
}
/* Long Tree */
bit_cost += COST_BOOL(mv_prob[0], 1);
/* Bits 0, 1, 2 */
for (i = 0; i < 3; i++)
bit_cost += COST_BOOL(mv_prob[9 + i], (tmp >> i) & 1);
/* Bits 9, 8, 7, 6, 5, 4 */
for (i = 9; i > 3; i--)
bit_cost += COST_BOOL(mv_prob[9 + i], (tmp >> i) & 1);
/*
* Bit 3: if ABS(mvd) < 8, it is coded with short tree, so if here
* ABS(mvd) <= 15, bit 3 must be one (because here we code values
* 8,...,15) and is not explicitly coded.
*/
if (tmp > 15)
bit_cost += COST_BOOL(mv_prob[9 + 3], (tmp >> 3) & 1);
/* Sign */
bit_cost += COST_BOOL(mv_prob[1], mvd < 0);
return bit_cost;
}
static void rk3399_vpu_vp8e_set_params(struct rockchip_vpu_dev *vpu,
struct rockchip_vpu_ctx *ctx)
{
const struct rk3399_vp8e_reg_params *params =
(struct rk3399_vp8e_reg_params *)ctx->run.vp8e.reg_params;
int i;
u32 reg;
u32 mbs_in_row = MB_WIDTH(ctx->src_fmt.width);
u32 mbs_in_col = MB_HEIGHT(ctx->src_fmt.height);
u32 deq;
u32 tmp;
u32 qp = params->qp;
s32 inter_favor = 0;
vpu_debug_enter();
reg = VEPU_REG_OUTPUT_SWAP32
| VEPU_REG_OUTPUT_SWAP16
| VEPU_REG_OUTPUT_SWAP8
| VEPU_REG_INPUT_SWAP8
| VEPU_REG_INPUT_SWAP16
| VEPU_REG_INPUT_SWAP32;
vepu_write_relaxed(vpu, reg, VEPU_REG_DATA_ENDIAN);
reg = VEPU_REG_SIZE_TABLE_PRESENT
| VEPU_REG_IN_IMG_CTRL_FMT(ctx->vpu_src_fmt->enc_fmt)
| VEPU_REG_IN_IMG_ROTATE_MODE(0);
vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL1);
reg = VEPU_REG_INTERRUPT_TIMEOUT_EN
| VEPU_REG_MV_WRITE_EN;
vepu_write_relaxed(vpu, reg, VEPU_REG_INTERRUPT);
reg = VEPU_REG_IN_IMG_CHROMA_OFFSET(0)
| VEPU_REG_IN_IMG_LUMA_OFFSET(0)
| VEPU_REG_IN_IMG_CTRL_ROW_LEN(mbs_in_row * 16);
vepu_write_relaxed(vpu, reg, VEPU_REG_INPUT_LUMA_INFO);
vepu_write_relaxed(vpu, 0, VEPU_REG_STR_HDR_REM_MSB);
vepu_write_relaxed(vpu, 0, VEPU_REG_STR_HDR_REM_LSB);
reg = 0;
if (mbs_in_row * mbs_in_col > MAX_MB_COUNT_TO_DISABLE_QUARTER_PIXEL_MV)
reg = VEPU_REG_DISABLE_QUARTER_PIXEL_MV;
reg |= VEPU_REG_ENTROPY_CODING_MODE;
vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL0);
inter_favor = 128 - params->intra_prob;
if (inter_favor >= 0)
inter_favor = max(0u, qp * 2 - 40);
reg = VEPU_REG_INTRA16X16_MODE(qp * 1024 / 128)
| VEPU_REG_INTER_MODE(inter_favor);
vepu_write_relaxed(vpu, reg, VEPU_REG_INTRA_INTER_MODE);
reg = VEPU_REG_1MV_PENALTY(60 / 2 * 32)
| VEPU_REG_QMV_PENALTY(8)
| VEPU_REG_4MV_PENALTY(64 / 2);
if (mbs_in_row * mbs_in_col < MAX_MB_COUNT_TO_DISABLE_SPLIT_MV)
reg |= VEPU_REG_SPLIT_MV_MODE_EN;
vepu_write_relaxed(vpu, reg, VEPU_REG_MV_PENALTY);
reg = VEPU_REG_MV_PENALTY_16X8_8X16(
min(1023, split_penalty[qp] / 2))
| VEPU_REG_MV_PENALTY_8X8(
min(1023, (2 * split_penalty[qp] + 40) / 4))
| VEPU_REG_MV_PENALTY_8X4_4X8(0x3ff);
/* no 8x4 or 4x8 block define in vp8 */
vepu_write_relaxed(vpu, reg, VEPU_REG_ENC_CTRL4);
reg = VEPU_REG_PENALTY_4X4MV(min(511,
(8 * split_penalty[qp] + 500) / 16))
| VEPU_REG_ZERO_MV_FAVOR_D2(0);
vepu_write_relaxed(vpu, reg, VEPU_REG_MVC_RELATE);
/* initialize quant table for segment0 */
deq = dc_q_lookup[qp];
reg = VEPU_REG_VP8_SEG0_QUT_DC_Y1(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_Y1(((qzbin_factors[qp] * deq) + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_DC_Y1((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_Y1);
deq = ac_q_lookup[qp];
reg = VEPU_REG_VP8_SEG0_QUT_AC_Y1(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_Y1(((qzbin_factors[qp] * deq) + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_AC_Y1((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_Y1);
deq = dc_q_lookup[qp] * 2;
reg = VEPU_REG_VP8_SEG0_QUT_DC_Y2(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_Y2((qzbin_factors[qp] * deq + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_DC_Y2((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_Y2);
deq = ac_q_lookup[qp] * 155 / 100;
reg = VEPU_REG_VP8_SEG0_QUT_AC_Y2(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_Y2((qzbin_factors[qp] * deq + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_AC_Y2((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_Y2);
deq = min(dc_q_lookup[qp], 132);
reg = VEPU_REG_VP8_SEG0_QUT_DC_CHR(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_DC_CHR((qzbin_factors[qp] * deq + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_DC_CHR((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DC_CHR);
deq = ac_q_lookup[qp];
reg = VEPU_REG_VP8_SEG0_QUT_AC_CHR(min((1 << 16) / deq, 0x3FFFu));
reg |= VEPU_REG_VP8_SEG0_ZBIN_AC_CHR((qzbin_factors[qp] * deq + 64) >>
7);
reg |= VEPU_REG_VP8_SEG0_RND_AC_CHR((qrounding_factors[qp] * deq) >> 7);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_AC_CHR);
reg = VEPU_REG_VP8_MV_REF_IDX1(0);
reg |= VEPU_REG_VP8_SEG0_DQUT_DC_Y1(dc_q_lookup[qp]);
reg |= VEPU_REG_VP8_SEG0_DQUT_AC_Y1(ac_q_lookup[qp]);
reg |= VEPU_REG_VP8_SEG0_DQUT_DC_Y2(dc_q_lookup[qp] * 2);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DQUT);
reg = VEPU_REG_VP8_MV_REF_IDX2(0);
reg |= VEPU_REG_VP8_SEG0_DQUT_DC_CHR(min(dc_q_lookup[qp], 132));
reg |= VEPU_REG_VP8_SEG0_DQUT_AC_CHR(ac_q_lookup[qp]);
reg |= VEPU_REG_VP8_SEG0_DQUT_AC_Y2(ac_q_lookup[qp] * 155 / 100);
if (params->is_intra)
reg |= VEPU_REG_VP8_SEGMENT_MAP_UPDATE;
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_SEG0_QUANT_DQUT_1);
vepu_write_relaxed(vpu, params->bool_enc_value,
VEPU_REG_VP8_BOOL_ENC_VALUE);
reg = VEPU_REG_VP8_DCT_PARTITION_CNT(0);
reg |= VEPU_REG_VP8_FILTER_LEVEL(params->filter_level);
reg |= VEPU_REG_VP8_FILTER_SHARPNESS(params->filter_sharpness);
reg |= VEPU_REG_VP8_ZERO_MV_PENALTY_FOR_REF2(0);
reg |= VEPU_REG_VP8_BOOL_ENC_VALUE_BITS(params->bool_enc_value_bits);
reg |= VEPU_REG_VP8_BOOL_ENC_RANGE(params->bool_enc_range);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_ENC_CTRL2);
vepu_write_relaxed(vpu, 0, VEPU_REG_ROI1);
vepu_write_relaxed(vpu, 0, VEPU_REG_ROI2);
vepu_write_relaxed(vpu, 0, VEPU_REG_STABILIZATION_OUTPUT);
vepu_write_relaxed(vpu, 0, VEPU_REG_RGB2YUV_CONVERSION_COEF1);
vepu_write_relaxed(vpu, 0, VEPU_REG_RGB2YUV_CONVERSION_COEF2);
vepu_write_relaxed(vpu, 0, VEPU_REG_RGB2YUV_CONVERSION_COEF3);
vepu_write_relaxed(vpu, 0, VEPU_REG_RGB_MASK_MSB);
vepu_write_relaxed(vpu, 0, VEPU_REG_CIR_INTRA_CTRL);
vepu_write_relaxed(vpu, 0, VEPU_REG_INTRA_AREA_CTRL);
/* Intra 4x4 mode */
tmp = qp * 2 + 8;
for (i = 0; i < 5; i++) {
reg = VEPU_REG_VP8_INTRA_4X4_PENALTY_0
((intra_4_tree_penalty[i * 2] * tmp) >> 8);
reg |= VEPU_REG_VP8_INTRA_4x4_PENALTY_1
((intra_4_tree_penalty[i * 2 + 1] * tmp) >> 8);
vepu_write_relaxed(vpu, reg,
VEPU_REG_VP8_INTRA_4X4_PENALTY(i));
}
/* Intra 16x16 mode */
tmp = qp * 2 + 64;
for (i = 0; i < 2; i++) {
reg = VEPU_REG_VP8_INTRA_16X16_PENALTY_0
((intra_16_tree_penalty[2 * i] * tmp) >> 8);
reg |= VEPU_REG_VP8_INTRA_16X16_PENALTY_1
((intra_16_tree_penalty[2 * i + 1] * tmp) >> 8);
vepu_write_relaxed(vpu, reg,
VEPU_REG_VP8_INTRA_16X16_PENALTY(i));
}
reg = VEPU_REG_VP8_LF_REF_DELTA_INTRA_MB(params->intra_frm_delta);
reg |= VEPU_REG_VP8_LF_MODE_DELTA_BPRED(params->bpred_mode_delta);
reg |= VEPU_REG_VP8_INTER_TYPE_BIT_COST(0);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_CONTROL);
reg = VEPU_REG_VP8_LF_REF_DELTA_ALT_REF(params->altref_frm_delta)
| VEPU_REG_VP8_LF_REF_DELTA_LAST_REF(params->last_frm_delta)
| VEPU_REG_VP8_LF_REF_DELTA_GOLDEN(params->golden_frm_delta);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_LOOP_FILTER_REF_DELTA);
reg = VEPU_REG_VP8_LF_MODE_DELTA_SPLITMV(params->splitmv_mode_delta)
| VEPU_REG_VP8_LF_MODE_DELTA_ZEROMV(params->zero_mode_delta)
| VEPU_REG_VP8_LF_MODE_DELTA_NEWMV(params->newmv_mode_delta);
vepu_write_relaxed(vpu, reg, VEPU_REG_VP8_LOOP_FILTER_MODE_DELTA);
for (i = 0; i < 128; i += 4) {
u32 x;
u32 y;
reg = VEPU_REG_DMV_PENALTY_TABLE_BIT(i * 2, 3);
reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 1) * 2, 2);
reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 2) * 2, 1);
reg |= VEPU_REG_DMV_PENALTY_TABLE_BIT((i + 3) * 2, 0);
vepu_write_relaxed(vpu, reg, VEPU_REG_DMV_PENALTY_TBL(i / 4));
y = cost_mv(i * 2, params->mv_prob[0]); /* mv y */
x = cost_mv(i * 2, params->mv_prob[1]); /* mv x */
reg = VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 3);
y = cost_mv((i + 1) * 2, params->mv_prob[0]); /* mv y */
x = cost_mv((i + 1) * 2, params->mv_prob[1]); /* mv x */
reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 2);
y = cost_mv((i + 2) * 2, params->mv_prob[0]); /* mv y */
x = cost_mv((i + 2) * 2, params->mv_prob[1]); /* mv x */
reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 1);
y = cost_mv((i + 3) * 2, params->mv_prob[0]); /* mv y */
x = cost_mv((i + 3) * 2, params->mv_prob[1]); /* mv x */
reg |= VEPU_REG_DMV_Q_PIXEL_PENALTY_TABLE_BIT(
min(255u, (y + x + 1) / 2 * weight[qp] >> 8), 0);
vepu_write_relaxed(vpu, reg,
VEPU_REG_DMV_Q_PIXEL_PENALTY_TBL(i / 4));
}
vpu_debug_leave();
}
void rk3399_vpu_vp8e_run(struct rockchip_vpu_ctx *ctx)
{
const struct rk3399_vp8e_reg_params *params =
(struct rk3399_vp8e_reg_params *)ctx->run.vp8e.reg_params;
struct rockchip_vpu_dev *vpu = ctx->dev;
u32 reg;
vpu_debug_enter();
/* The hardware expects the control buffer to be zeroed. */
memset(ctx->hw.vp8e.ctrl_buf.cpu, 0,
sizeof(struct rk3399_vpu_vp8e_ctrl_buf));
/*
* Program the hardware.
*/
rockchip_vpu_power_on(vpu);
reg = VEPU_REG_ENCODE_FORMAT(1);
vepu_write_relaxed(vpu, reg, VEPU_REG_ENCODE_START);
rk3399_vpu_vp8e_set_params(vpu, ctx);
rk3399_vpu_vp8e_set_buffers(vpu, ctx);
reg = VEPU_REG_AXI_CTRL_READ_ID(0)
| VEPU_REG_AXI_CTRL_WRITE_ID(0)
| VEPU_REG_AXI_CTRL_BURST_LEN(16)
| VEPU_REG_AXI_CTRL_INCREMENT_MODE(0)
| VEPU_REG_AXI_CTRL_BIRST_DISCARD(0);
vepu_write_relaxed(vpu, reg, VEPU_REG_AXI_CTRL);
/* Make sure that all registers are written at this point. */
wmb();
/* Set the watchdog. */
schedule_delayed_work(&vpu->watchdog_work, msecs_to_jiffies(2000));
/* Start the hardware. */
reg = VEPU_REG_MB_HEIGHT(MB_HEIGHT(ctx->src_fmt.height))
| VEPU_REG_MB_WIDTH(MB_WIDTH(ctx->src_fmt.width))
| VEPU_REG_PIC_TYPE(params->is_intra)
| VEPU_REG_ENCODE_FORMAT(1)
| VEPU_REG_ENCODE_ENABLE;
vepu_write_relaxed(vpu, reg, VEPU_REG_ENCODE_START);
vpu_debug_leave();
}
void rk3399_vpu_vp8e_done(struct rockchip_vpu_ctx *ctx,
enum vb2_buffer_state result)
{
struct rk3399_vpu_vp8e_ctrl_buf *ctrl_buf = ctx->hw.vp8e.ctrl_buf.cpu;
const struct rk3399_vp8e_reg_params *params =
(struct rk3399_vp8e_reg_params *)ctx->run.vp8e.reg_params;
vpu_debug_enter();
/* Read length information of this run from utility buffer. */
ctx->run.dst->vp8e.ext_hdr_size = ctrl_buf->ext_hdr_size -
(params->frm_hdr_size & 7);
ctx->run.dst->vp8e.dct_size = ctrl_buf->dct_size;
rockchip_vpu_run_done(ctx, result);
vpu_debug_leave();
}