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Lakka-v5.x
Lakka-LibreELEC/projects/Amlogic/devices/AMLGX/patches/linux/amlogic-0060-FROMLIST-v2-media-meson-vdec-add-HEVC-decode-codec.patch
Christian Hewitt 0562e5adbc
linux: update Amlogic Linux 6.1.x patches
2023-03-14 11:10:30 +00:00

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From bc74e7054ac07e488d17c25f7c30660fcff5fb4d Mon Sep 17 00:00:00 2001
From: Maxime Jourdan <mjourdan@baylibre.com>
Date: Mon, 23 Jan 2023 11:07:04 +0000
Subject: [PATCH 060/120] FROMLIST(v2): media: meson: vdec: add HEVC decode
codec
Add initial HEVC codec for the Amlogic GXBB/GXL/GXM SoCs using
the common "HEVC" decoder driver.
Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com>
[codec alignment to upstream changes and frame handling improvements]
Signed-off-by: Benjamin Roszak <benjamin545@gmail.com>
---
drivers/staging/media/meson/vdec/Makefile | 2 +-
drivers/staging/media/meson/vdec/codec_hevc.c | 1462 +++++++++++++++++
drivers/staging/media/meson/vdec/codec_hevc.h | 13 +
drivers/staging/media/meson/vdec/esparser.c | 3 +-
drivers/staging/media/meson/vdec/hevc_regs.h | 1 +
.../staging/media/meson/vdec/vdec_platform.c | 37 +
6 files changed, 1516 insertions(+), 2 deletions(-)
create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.c
create mode 100644 drivers/staging/media/meson/vdec/codec_hevc.h
diff --git a/drivers/staging/media/meson/vdec/Makefile b/drivers/staging/media/meson/vdec/Makefile
index 6e726af84ac9..16f848e456b9 100644
--- a/drivers/staging/media/meson/vdec/Makefile
+++ b/drivers/staging/media/meson/vdec/Makefile
@@ -3,6 +3,6 @@
meson-vdec-objs = esparser.o vdec.o vdec_helpers.o vdec_platform.o
meson-vdec-objs += vdec_1.o vdec_hevc.o
-meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o
+meson-vdec-objs += codec_mpeg12.o codec_h264.o codec_hevc_common.o codec_vp9.o codec_hevc.o
obj-$(CONFIG_VIDEO_MESON_VDEC) += meson-vdec.o
diff --git a/drivers/staging/media/meson/vdec/codec_hevc.c b/drivers/staging/media/meson/vdec/codec_hevc.c
new file mode 100644
index 000000000000..fcaaa1ad50b8
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_hevc.c
@@ -0,0 +1,1462 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Maxime Jourdan <mjourdan@baylibre.com>
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include <media/videobuf2-dma-contig.h>
+
+#include "codec_hevc.h"
+#include "dos_regs.h"
+#include "hevc_regs.h"
+#include "vdec_helpers.h"
+#include "codec_hevc_common.h"
+
+/* HEVC reg mapping */
+#define HEVC_DEC_STATUS_REG HEVC_ASSIST_SCRATCH_0
+ #define HEVC_ACTION_DONE 0xff
+#define HEVC_RPM_BUFFER HEVC_ASSIST_SCRATCH_1
+#define HEVC_SHORT_TERM_RPS HEVC_ASSIST_SCRATCH_2
+#define HEVC_VPS_BUFFER HEVC_ASSIST_SCRATCH_3
+#define HEVC_SPS_BUFFER HEVC_ASSIST_SCRATCH_4
+#define HEVC_PPS_BUFFER HEVC_ASSIST_SCRATCH_5
+#define HEVC_SAO_UP HEVC_ASSIST_SCRATCH_6
+#define HEVC_STREAM_SWAP_BUFFER HEVC_ASSIST_SCRATCH_7
+#define H265_MMU_MAP_BUFFER HEVC_ASSIST_SCRATCH_7
+#define HEVC_STREAM_SWAP_BUFFER2 HEVC_ASSIST_SCRATCH_8
+#define HEVC_sao_mem_unit HEVC_ASSIST_SCRATCH_9
+#define HEVC_SAO_ABV HEVC_ASSIST_SCRATCH_A
+#define HEVC_sao_vb_size HEVC_ASSIST_SCRATCH_B
+#define HEVC_SAO_VB HEVC_ASSIST_SCRATCH_C
+#define HEVC_SCALELUT HEVC_ASSIST_SCRATCH_D
+#define HEVC_WAIT_FLAG HEVC_ASSIST_SCRATCH_E
+#define RPM_CMD_REG HEVC_ASSIST_SCRATCH_F
+#define LMEM_DUMP_ADR HEVC_ASSIST_SCRATCH_F
+#define DEBUG_REG1 HEVC_ASSIST_SCRATCH_G
+#define HEVC_DECODE_MODE2 HEVC_ASSIST_SCRATCH_H
+#define NAL_SEARCH_CTL HEVC_ASSIST_SCRATCH_I
+#define HEVC_DECODE_MODE HEVC_ASSIST_SCRATCH_J
+ #define DECODE_MODE_SINGLE 0
+#define DECODE_STOP_POS HEVC_ASSIST_SCRATCH_K
+#define HEVC_AUX_ADR HEVC_ASSIST_SCRATCH_L
+#define HEVC_AUX_DATA_SIZE HEVC_ASSIST_SCRATCH_M
+#define HEVC_DECODE_SIZE HEVC_ASSIST_SCRATCH_N
+
+#define AMRISC_MAIN_REQ 0x04
+
+/* HEVC Constants */
+#define MAX_REF_PIC_NUM 24
+#define MAX_REF_ACTIVE 16
+#define MAX_TILE_COL_NUM 10
+#define MAX_TILE_ROW_NUM 20
+#define MAX_SLICE_NUM 800
+#define INVALID_POC 0x80000000
+
+/* HEVC Workspace layout */
+#define MPRED_MV_BUF_SIZE 0x120000
+
+#define IPP_SIZE 0x4000
+#define SAO_ABV_SIZE 0x30000
+#define SAO_VB_SIZE 0x30000
+#define SH_TM_RPS_SIZE 0x800
+#define VPS_SIZE 0x800
+#define SPS_SIZE 0x800
+#define PPS_SIZE 0x2000
+#define SAO_UP_SIZE 0x2800
+#define SWAP_BUF_SIZE 0x800
+#define SWAP_BUF2_SIZE 0x800
+#define SCALELUT_SIZE 0x8000
+#define DBLK_PARA_SIZE 0x20000
+#define DBLK_DATA_SIZE 0x80000
+#define DBLK_DATA2_SIZE 0x80000
+#define MMU_VBH_SIZE 0x5000
+#define MPRED_ABV_SIZE 0x8000
+#define MPRED_MV_SIZE (MPRED_MV_BUF_SIZE * MAX_REF_PIC_NUM)
+#define RPM_BUF_SIZE 0x100
+#define LMEM_SIZE 0xA00
+
+#define IPP_OFFSET 0x00
+#define SAO_ABV_OFFSET (IPP_OFFSET + IPP_SIZE)
+#define SAO_VB_OFFSET (SAO_ABV_OFFSET + SAO_ABV_SIZE)
+#define SH_TM_RPS_OFFSET (SAO_VB_OFFSET + SAO_VB_SIZE)
+#define VPS_OFFSET (SH_TM_RPS_OFFSET + SH_TM_RPS_SIZE)
+#define SPS_OFFSET (VPS_OFFSET + VPS_SIZE)
+#define PPS_OFFSET (SPS_OFFSET + SPS_SIZE)
+#define SAO_UP_OFFSET (PPS_OFFSET + PPS_SIZE)
+#define SWAP_BUF_OFFSET (SAO_UP_OFFSET + SAO_UP_SIZE)
+#define SWAP_BUF2_OFFSET (SWAP_BUF_OFFSET + SWAP_BUF_SIZE)
+#define SCALELUT_OFFSET (SWAP_BUF2_OFFSET + SWAP_BUF2_SIZE)
+#define DBLK_PARA_OFFSET (SCALELUT_OFFSET + SCALELUT_SIZE)
+#define DBLK_DATA_OFFSET (DBLK_PARA_OFFSET + DBLK_PARA_SIZE)
+#define DBLK_DATA2_OFFSET (DBLK_DATA_OFFSET + DBLK_DATA_SIZE)
+#define MMU_VBH_OFFSET (DBLK_DATA2_OFFSET + DBLK_DATA2_SIZE)
+#define MPRED_ABV_OFFSET (MMU_VBH_OFFSET + MMU_VBH_SIZE)
+#define MPRED_MV_OFFSET (MPRED_ABV_OFFSET + MPRED_ABV_SIZE)
+#define RPM_OFFSET (MPRED_MV_OFFSET + MPRED_MV_SIZE)
+#define LMEM_OFFSET (RPM_OFFSET + RPM_BUF_SIZE)
+
+/* ISR decode status */
+#define HEVC_DEC_IDLE 0x0
+#define HEVC_NAL_UNIT_VPS 0x1
+#define HEVC_NAL_UNIT_SPS 0x2
+#define HEVC_NAL_UNIT_PPS 0x3
+#define HEVC_NAL_UNIT_CODED_SLICE_SEGMENT 0x4
+#define HEVC_CODED_SLICE_SEGMENT_DAT 0x5
+#define HEVC_SLICE_DECODING 0x6
+#define HEVC_NAL_UNIT_SEI 0x7
+#define HEVC_SLICE_SEGMENT_DONE 0x8
+#define HEVC_NAL_SEARCH_DONE 0x9
+#define HEVC_DECPIC_DATA_DONE 0xa
+#define HEVC_DECPIC_DATA_ERROR 0xb
+#define HEVC_SEI_DAT 0xc
+#define HEVC_SEI_DAT_DONE 0xd
+
+/* RPM misc_flag0 */
+#define PCM_LOOP_FILTER_DISABLED_FLAG_BIT 0
+#define PCM_ENABLE_FLAG_BIT 1
+#define LOOP_FILER_ACROSS_TILES_ENABLED_FLAG_BIT 2
+#define PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 3
+#define DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT 4
+#define PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 5
+#define DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT 6
+#define SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT 7
+#define SLICE_SAO_LUMA_FLAG_BIT 8
+#define SLICE_SAO_CHROMA_FLAG_BIT 9
+#define SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT 10
+
+/* Constants for HEVC_MPRED_CTRL1 */
+#define AMVP_MAX_NUM_CANDS_MEM 3
+#define AMVP_MAX_NUM_CANDS 2
+#define NUM_CHROMA_MODE 5
+#define DM_CHROMA_IDX 36
+
+/* Buffer sizes */
+#define SIZE_WORKSPACE ALIGN(LMEM_OFFSET + LMEM_SIZE, 64 * SZ_1K)
+#define SIZE_AUX (SZ_1K * 16)
+#define SIZE_FRAME_MMU (0x1200 * 4)
+#define RPM_SIZE 0x80
+#define RPS_USED_BIT 14
+
+/* Data received from the HW in this form, do not rearrange */
+union rpm_param {
+ struct {
+ u16 data[RPM_SIZE];
+ } l;
+ struct {
+ u16 CUR_RPS[MAX_REF_ACTIVE];
+ u16 num_ref_idx_l0_active;
+ u16 num_ref_idx_l1_active;
+ u16 slice_type;
+ u16 slice_temporal_mvp_enable_flag;
+ u16 dependent_slice_segment_flag;
+ u16 slice_segment_address;
+ u16 num_title_rows_minus1;
+ u16 pic_width_in_luma_samples;
+ u16 pic_height_in_luma_samples;
+ u16 log2_min_coding_block_size_minus3;
+ u16 log2_diff_max_min_coding_block_size;
+ u16 log2_max_pic_order_cnt_lsb_minus4;
+ u16 POClsb;
+ u16 collocated_from_l0_flag;
+ u16 collocated_ref_idx;
+ u16 log2_parallel_merge_level;
+ u16 five_minus_max_num_merge_cand;
+ u16 sps_num_reorder_pics_0;
+ u16 modification_flag;
+ u16 tiles_flags;
+ u16 num_tile_columns_minus1;
+ u16 num_tile_rows_minus1;
+ u16 tile_width[8];
+ u16 tile_height[8];
+ u16 misc_flag0;
+ u16 pps_beta_offset_div2;
+ u16 pps_tc_offset_div2;
+ u16 slice_beta_offset_div2;
+ u16 slice_tc_offset_div2;
+ u16 pps_cb_qp_offset;
+ u16 pps_cr_qp_offset;
+ u16 first_slice_segment_in_pic_flag;
+ u16 m_temporalId;
+ u16 m_nalUnitType;
+ u16 vui_num_units_in_tick_hi;
+ u16 vui_num_units_in_tick_lo;
+ u16 vui_time_scale_hi;
+ u16 vui_time_scale_lo;
+ u16 bit_depth;
+ u16 profile_etc;
+ u16 sei_frame_field_info;
+ u16 video_signal_type;
+ u16 modification_list[0x20];
+ u16 conformance_window_flag;
+ u16 conf_win_left_offset;
+ u16 conf_win_right_offset;
+ u16 conf_win_top_offset;
+ u16 conf_win_bottom_offset;
+ u16 chroma_format_idc;
+ u16 color_description;
+ u16 aspect_ratio_idc;
+ u16 sar_width;
+ u16 sar_height;
+ } p;
+};
+
+enum nal_unit_type {
+ NAL_UNIT_CODED_SLICE_BLA = 16,
+ NAL_UNIT_CODED_SLICE_BLANT = 17,
+ NAL_UNIT_CODED_SLICE_BLA_N_LP = 18,
+ NAL_UNIT_CODED_SLICE_IDR = 19,
+ NAL_UNIT_CODED_SLICE_IDR_N_LP = 20,
+};
+
+enum slice_type {
+ B_SLICE = 0,
+ P_SLICE = 1,
+ I_SLICE = 2,
+};
+
+/* A frame being decoded */
+struct hevc_frame {
+ struct list_head list;
+ struct vb2_v4l2_buffer *vbuf;
+ u32 offset;
+ u32 poc;
+
+ int referenced;
+ int show;
+ u32 num_reorder_pic;
+
+ u32 cur_slice_idx;
+ u32 cur_slice_type;
+
+ /* 2 lists (L0/L1) ; 800 slices ; 16 refs */
+ u32 ref_poc_list[2][MAX_SLICE_NUM][MAX_REF_ACTIVE];
+ u32 ref_num[2];
+};
+
+struct codec_hevc {
+ /* Protect the data structure */
+ struct mutex lock;
+
+ /* Common part of the HEVC decoder */
+ struct codec_hevc_common common;
+
+ /* Buffer for the HEVC Workspace */
+ void *workspace_vaddr;
+ dma_addr_t workspace_paddr;
+
+ /* AUX buffer */
+ void *aux_vaddr;
+ dma_addr_t aux_paddr;
+
+ /* Contains many information parsed from the bitstream */
+ union rpm_param rpm_param;
+
+ /* Information computed from the RPM */
+ u32 lcu_size; // Largest Coding Unit
+ u32 lcu_x_num;
+ u32 lcu_y_num;
+ u32 lcu_total;
+
+ /* Current Frame being handled */
+ struct hevc_frame *cur_frame;
+ u32 curr_poc;
+ /* Collocated Reference Picture */
+ struct hevc_frame *col_frame;
+ u32 col_poc;
+
+ /* All ref frames used by the HW at a given time */
+ struct list_head ref_frames_list;
+ u32 frames_num;
+
+ /* Coded resolution reported by the hardware */
+ u32 width, height;
+ /* Resolution minus the conformance window offsets */
+ u32 dst_width, dst_height;
+
+ u32 prev_tid0_poc;
+ u32 slice_segment_addr;
+ u32 slice_addr;
+ u32 ldc_flag;
+
+ /* Whether we detected the bitstream as 10-bit */
+ int is_10bit;
+};
+
+static u32 codec_hevc_num_pending_bufs(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc;
+ u32 ret;
+
+ hevc = sess->priv;
+ if (!hevc)
+ return 0;
+
+ mutex_lock(&hevc->lock);
+ ret = hevc->frames_num;
+ mutex_unlock(&hevc->lock);
+
+ return ret;
+}
+
+/* Update the L0 and L1 reference lists for a given frame */
+static void codec_hevc_update_frame_refs(struct amvdec_session *sess,
+ struct hevc_frame *frame)
+{
+ struct codec_hevc *hevc = sess->priv;
+ union rpm_param *params = &hevc->rpm_param;
+ int num_ref_idx_l0_active =
+ (params->p.num_ref_idx_l0_active > MAX_REF_ACTIVE) ?
+ MAX_REF_ACTIVE : params->p.num_ref_idx_l0_active;
+ int num_ref_idx_l1_active =
+ (params->p.num_ref_idx_l1_active > MAX_REF_ACTIVE) ?
+ MAX_REF_ACTIVE : params->p.num_ref_idx_l1_active;
+ int ref_picset0[MAX_REF_ACTIVE] = { 0 };
+ int ref_picset1[MAX_REF_ACTIVE] = { 0 };
+ u16 *mod_list = params->p.modification_list;
+ int num_neg = 0;
+ int num_pos = 0;
+ int total_num;
+ int i;
+
+ for (i = 0; i < MAX_REF_ACTIVE; i++) {
+ frame->ref_poc_list[0][frame->cur_slice_idx][i] = 0;
+ frame->ref_poc_list[1][frame->cur_slice_idx][i] = 0;
+ }
+
+ for (i = 0; i < MAX_REF_ACTIVE; i++) {
+ u16 cur_rps = params->p.CUR_RPS[i];
+ int delt = cur_rps & ((1 << (RPS_USED_BIT - 1)) - 1);
+
+ if (cur_rps & 0x8000)
+ break;
+
+ if (!((cur_rps >> RPS_USED_BIT) & 1))
+ continue;
+
+ if ((cur_rps >> (RPS_USED_BIT - 1)) & 1) {
+ ref_picset0[num_neg] =
+ frame->poc - ((1 << (RPS_USED_BIT - 1)) - delt);
+ num_neg++;
+ } else {
+ ref_picset1[num_pos] = frame->poc + delt;
+ num_pos++;
+ }
+ }
+
+ total_num = num_neg + num_pos;
+
+ if (total_num <= 0)
+ goto end;
+
+ for (i = 0; i < num_ref_idx_l0_active; i++) {
+ int cidx;
+
+ if (params->p.modification_flag & 0x1)
+ cidx = mod_list[i];
+ else
+ cidx = i % total_num;
+
+ frame->ref_poc_list[0][frame->cur_slice_idx][i] =
+ cidx >= num_neg ? ref_picset1[cidx - num_neg] :
+ ref_picset0[cidx];
+ }
+
+ if (params->p.slice_type != B_SLICE)
+ goto end;
+
+ if (params->p.modification_flag & 0x2) {
+ for (i = 0; i < num_ref_idx_l1_active; i++) {
+ int cidx;
+
+ if (params->p.modification_flag & 0x1)
+ cidx = mod_list[num_ref_idx_l0_active + i];
+ else
+ cidx = mod_list[i];
+
+ frame->ref_poc_list[1][frame->cur_slice_idx][i] =
+ (cidx >= num_pos) ? ref_picset0[cidx - num_pos]
+ : ref_picset1[cidx];
+ }
+ } else {
+ for (i = 0; i < num_ref_idx_l1_active; i++) {
+ int cidx = i % total_num;
+
+ frame->ref_poc_list[1][frame->cur_slice_idx][i] =
+ cidx >= num_pos ? ref_picset0[cidx - num_pos] :
+ ref_picset1[cidx];
+ }
+ }
+
+end:
+ frame->ref_num[0] = num_ref_idx_l0_active;
+ frame->ref_num[1] = num_ref_idx_l1_active;
+
+ dev_dbg(sess->core->dev,
+ "Frame %u; slice %u; slice_type %u; num_l0 %u; num_l1 %u\n",
+ frame->poc, frame->cur_slice_idx, params->p.slice_type,
+ frame->ref_num[0], frame->ref_num[1]);
+}
+
+static void codec_hevc_update_ldc_flag(struct codec_hevc *hevc)
+{
+ struct hevc_frame *frame = hevc->cur_frame;
+ u32 slice_type = frame->cur_slice_type;
+ u32 slice_idx = frame->cur_slice_idx;
+ int i;
+
+ hevc->ldc_flag = 0;
+
+ if (slice_type == I_SLICE)
+ return;
+
+ hevc->ldc_flag = 1;
+ for (i = 0; (i < frame->ref_num[0]) && hevc->ldc_flag; i++) {
+ if (frame->ref_poc_list[0][slice_idx][i] > frame->poc) {
+ hevc->ldc_flag = 0;
+ break;
+ }
+ }
+
+ if (slice_type == P_SLICE)
+ return;
+
+ for (i = 0; (i < frame->ref_num[1]) && hevc->ldc_flag; i++) {
+ if (frame->ref_poc_list[1][slice_idx][i] > frame->poc) {
+ hevc->ldc_flag = 0;
+ break;
+ }
+ }
+}
+
+/* Tag "old" frames that are no longer referenced */
+static void codec_hevc_update_referenced(struct codec_hevc *hevc)
+{
+ union rpm_param *param = &hevc->rpm_param;
+ struct hevc_frame *frame;
+ int i;
+ u32 curr_poc = hevc->curr_poc;
+
+ list_for_each_entry(frame, &hevc->ref_frames_list, list) {
+ int is_referenced = 0;
+ u32 poc_tmp;
+
+ if (!frame->referenced)
+ continue;
+
+ for (i = 0; i < MAX_REF_ACTIVE; i++) {
+ int delt;
+
+ if (param->p.CUR_RPS[i] & 0x8000)
+ break;
+
+ delt = param->p.CUR_RPS[i] &
+ ((1 << (RPS_USED_BIT - 1)) - 1);
+ if (param->p.CUR_RPS[i] & (1 << (RPS_USED_BIT - 1))) {
+ poc_tmp = curr_poc -
+ ((1 << (RPS_USED_BIT - 1)) - delt);
+ } else {
+ poc_tmp = curr_poc + delt;
+ }
+
+ if (poc_tmp == frame->poc) {
+ is_referenced = 1;
+ break;
+ }
+ }
+
+ frame->referenced = is_referenced;
+ }
+}
+
+static struct hevc_frame *
+codec_hevc_get_next_ready_frame(struct codec_hevc *hevc)
+{
+ struct hevc_frame *tmp, *ret = NULL;
+ u32 poc = INT_MAX;
+
+ list_for_each_entry(tmp, &hevc->ref_frames_list, list) {
+ if ((tmp->poc < poc) && tmp->show) {
+ ret = tmp;
+ poc = tmp->poc;
+ }
+ }
+
+ return ret;
+}
+
+/* Try to output as many frames as possible */
+static void codec_hevc_show_frames(struct amvdec_session *sess)
+{
+ struct hevc_frame *tmp, *n;
+ struct codec_hevc *hevc = sess->priv;
+
+ while ((tmp = codec_hevc_get_next_ready_frame(hevc))) {
+ if (hevc->curr_poc &&
+ (hevc->frames_num <= tmp->num_reorder_pic))
+ break;
+
+ dev_dbg(sess->core->dev, "DONE frame poc %u; vbuf %u\n",
+ tmp->poc, tmp->vbuf->vb2_buf.index);
+ amvdec_dst_buf_done_offset(sess, tmp->vbuf, tmp->offset,
+ V4L2_FIELD_NONE, false);
+
+ tmp->show = 0;
+ hevc->frames_num--;
+ }
+
+ /* clean output frame buffer */
+ list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) {
+ if (tmp->referenced || tmp->show)
+ continue;
+
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static int
+codec_hevc_setup_workspace(struct amvdec_session *sess,
+ struct codec_hevc *hevc)
+{
+ struct amvdec_core *core = sess->core;
+ u32 revision = core->platform->revision;
+ dma_addr_t wkaddr;
+
+ /* Allocate some memory for the HEVC decoder's state */
+ hevc->workspace_vaddr = dma_alloc_coherent(core->dev, SIZE_WORKSPACE,
+ &wkaddr, GFP_KERNEL);
+ if (!hevc->workspace_vaddr)
+ return -ENOMEM;
+
+ hevc->workspace_paddr = wkaddr;
+
+ amvdec_write_dos(core, HEVCD_IPP_LINEBUFF_BASE, wkaddr + IPP_OFFSET);
+ amvdec_write_dos(core, HEVC_RPM_BUFFER, wkaddr + RPM_OFFSET);
+ amvdec_write_dos(core, HEVC_SHORT_TERM_RPS, wkaddr + SH_TM_RPS_OFFSET);
+ amvdec_write_dos(core, HEVC_VPS_BUFFER, wkaddr + VPS_OFFSET);
+ amvdec_write_dos(core, HEVC_SPS_BUFFER, wkaddr + SPS_OFFSET);
+ amvdec_write_dos(core, HEVC_PPS_BUFFER, wkaddr + PPS_OFFSET);
+ amvdec_write_dos(core, HEVC_SAO_UP, wkaddr + SAO_UP_OFFSET);
+
+ if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, hevc->is_10bit)) {
+ amvdec_write_dos(core, HEVC_SAO_MMU_VH0_ADDR,
+ wkaddr + MMU_VBH_OFFSET);
+ amvdec_write_dos(core, HEVC_SAO_MMU_VH1_ADDR,
+ wkaddr + MMU_VBH_OFFSET + (MMU_VBH_SIZE / 2));
+
+ if (revision >= VDEC_REVISION_G12A)
+ amvdec_write_dos(core, HEVC_ASSIST_MMU_MAP_ADDR,
+ hevc->common.mmu_map_paddr);
+ else
+ amvdec_write_dos(core, H265_MMU_MAP_BUFFER,
+ hevc->common.mmu_map_paddr);
+ } else if (revision < VDEC_REVISION_G12A) {
+ amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER,
+ wkaddr + SWAP_BUF_OFFSET);
+ amvdec_write_dos(core, HEVC_STREAM_SWAP_BUFFER2,
+ wkaddr + SWAP_BUF2_OFFSET);
+ }
+
+ amvdec_write_dos(core, HEVC_SCALELUT, wkaddr + SCALELUT_OFFSET);
+ amvdec_write_dos(core, HEVC_DBLK_CFG4, wkaddr + DBLK_PARA_OFFSET);
+ amvdec_write_dos(core, HEVC_DBLK_CFG5, wkaddr + DBLK_DATA_OFFSET);
+ if (revision >= VDEC_REVISION_G12A)
+ amvdec_write_dos(core, HEVC_DBLK_CFGE,
+ wkaddr + DBLK_DATA2_OFFSET);
+
+ amvdec_write_dos(core, LMEM_DUMP_ADR, wkaddr + LMEM_OFFSET);
+
+ return 0;
+}
+
+static int codec_hevc_start(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_hevc *hevc;
+ u32 val;
+ int i;
+ int ret;
+
+ hevc = kzalloc(sizeof(*hevc), GFP_KERNEL);
+ if (!hevc)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&hevc->ref_frames_list);
+ hevc->curr_poc = INVALID_POC;
+
+ ret = codec_hevc_setup_workspace(sess, hevc);
+ if (ret)
+ goto free_hevc;
+
+ val = BIT(0); /* stream_fetch_enable */
+ if (core->platform->revision >= VDEC_REVISION_G12A)
+ val |= (0xf << 25); /* arwlen_axi_max */
+ amvdec_write_dos_bits(core, HEVC_STREAM_CONTROL, val);
+
+ val = amvdec_read_dos(core, HEVC_PARSER_INT_CONTROL) & 0x03ffffff;
+ val |= (3 << 29) | BIT(27) | BIT(24) | BIT(22) | BIT(7) | BIT(4) |
+ BIT(0);
+ amvdec_write_dos(core, HEVC_PARSER_INT_CONTROL, val);
+ amvdec_write_dos_bits(core, HEVC_SHIFT_STATUS, BIT(1) | BIT(0));
+ amvdec_write_dos(core, HEVC_SHIFT_CONTROL,
+ (3 << 6) | BIT(5) | BIT(2) | BIT(0));
+ amvdec_write_dos(core, HEVC_CABAC_CONTROL, 1);
+ amvdec_write_dos(core, HEVC_PARSER_CORE_CONTROL, 1);
+ amvdec_write_dos(core, HEVC_DEC_STATUS_REG, 0);
+
+ amvdec_write_dos(core, HEVC_IQIT_SCALELUT_WR_ADDR, 0);
+ for (i = 0; i < 1024; ++i)
+ amvdec_write_dos(core, HEVC_IQIT_SCALELUT_DATA, 0);
+
+ amvdec_write_dos(core, HEVC_DECODE_SIZE, 0);
+
+ amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE, BIT(16));
+ for (i = 0; i < ARRAY_SIZE(vdec_hevc_parser_cmd); ++i)
+ amvdec_write_dos(core, HEVC_PARSER_CMD_WRITE,
+ vdec_hevc_parser_cmd[i]);
+
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_0, PARSER_CMD_SKIP_CFG_0);
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_1, PARSER_CMD_SKIP_CFG_1);
+ amvdec_write_dos(core, HEVC_PARSER_CMD_SKIP_2, PARSER_CMD_SKIP_CFG_2);
+ amvdec_write_dos(core, HEVC_PARSER_IF_CONTROL,
+ BIT(5) | BIT(2) | BIT(0));
+
+ amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(0));
+ amvdec_write_dos(core, HEVCD_IPP_TOP_CNTL, BIT(1));
+
+ amvdec_write_dos(core, HEVC_WAIT_FLAG, 1);
+
+ /* clear mailbox interrupt */
+ amvdec_write_dos(core, HEVC_ASSIST_MBOX1_CLR_REG, 1);
+ /* enable mailbox interrupt */
+ amvdec_write_dos(core, HEVC_ASSIST_MBOX1_MASK, 1);
+ /* disable PSCALE for hardware sharing */
+ amvdec_write_dos(core, HEVC_PSCALE_CTRL, 0);
+ /* Let the uCode do all the parsing */
+ amvdec_write_dos(core, NAL_SEARCH_CTL, 0xc);
+
+ amvdec_write_dos(core, DECODE_STOP_POS, 0);
+ amvdec_write_dos(core, HEVC_DECODE_MODE, DECODE_MODE_SINGLE);
+ amvdec_write_dos(core, HEVC_DECODE_MODE2, 0);
+
+ /* AUX buffers */
+ hevc->aux_vaddr = dma_alloc_coherent(core->dev, SIZE_AUX,
+ &hevc->aux_paddr, GFP_KERNEL);
+ if (!hevc->aux_vaddr) {
+ ret = -ENOMEM;
+ goto free_hevc;
+ }
+
+ amvdec_write_dos(core, HEVC_AUX_ADR, hevc->aux_paddr);
+ amvdec_write_dos(core, HEVC_AUX_DATA_SIZE,
+ (((SIZE_AUX) >> 4) << 16) | 0);
+ mutex_init(&hevc->lock);
+ sess->priv = hevc;
+
+ return 0;
+
+free_hevc:
+ kfree(hevc);
+ return ret;
+}
+
+static void codec_hevc_flush_output(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ struct hevc_frame *tmp, *n;
+
+ while ((tmp = codec_hevc_get_next_ready_frame(hevc))) {
+ amvdec_dst_buf_done(sess, tmp->vbuf, V4L2_FIELD_NONE);
+ tmp->show = 0;
+ hevc->frames_num--;
+ }
+
+ list_for_each_entry_safe(tmp, n, &hevc->ref_frames_list, list) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+}
+
+static int codec_hevc_stop(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ struct amvdec_core *core = sess->core;
+
+ mutex_lock(&hevc->lock);
+ codec_hevc_flush_output(sess);
+
+ if (hevc->workspace_vaddr)
+ dma_free_coherent(core->dev, SIZE_WORKSPACE,
+ hevc->workspace_vaddr,
+ hevc->workspace_paddr);
+
+ if (hevc->aux_vaddr)
+ dma_free_coherent(core->dev, SIZE_AUX,
+ hevc->aux_vaddr, hevc->aux_paddr);
+
+ codec_hevc_free_fbc_buffers(sess, &hevc->common);
+ mutex_unlock(&hevc->lock);
+ mutex_destroy(&hevc->lock);
+
+ return 0;
+}
+
+static struct hevc_frame *
+codec_hevc_get_frame_by_poc(struct codec_hevc *hevc, u32 poc)
+{
+ struct hevc_frame *tmp;
+
+ list_for_each_entry(tmp, &hevc->ref_frames_list, list) {
+ if (tmp->poc == poc)
+ return tmp;
+ }
+
+ return NULL;
+}
+
+static struct hevc_frame *
+codec_hevc_prepare_new_frame(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct hevc_frame *new_frame = NULL;
+ struct codec_hevc *hevc = sess->priv;
+ struct vb2_v4l2_buffer *vbuf;
+ union rpm_param *params = &hevc->rpm_param;
+
+ new_frame = kzalloc(sizeof(*new_frame), GFP_KERNEL);
+ if (!new_frame)
+ return NULL;
+
+ vbuf = v4l2_m2m_dst_buf_remove(sess->m2m_ctx);
+ if (!vbuf) {
+ dev_err(sess->core->dev, "No dst buffer available\n");
+ return NULL;
+ }
+
+ new_frame->vbuf = vbuf;
+ new_frame->referenced = 1;
+ new_frame->show = 1;
+ new_frame->poc = hevc->curr_poc;
+ new_frame->cur_slice_type = params->p.slice_type;
+ new_frame->num_reorder_pic = params->p.sps_num_reorder_pics_0;
+ new_frame->offset = amvdec_read_dos(core, HEVC_SHIFT_BYTE_COUNT);
+
+ list_add_tail(&new_frame->list, &hevc->ref_frames_list);
+ hevc->frames_num++;
+
+ return new_frame;
+}
+
+static void
+codec_hevc_set_sao(struct amvdec_session *sess, struct hevc_frame *frame)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_hevc *hevc = sess->priv;
+ struct vb2_buffer *vb = &frame->vbuf->vb2_buf;
+ union rpm_param *param = &hevc->rpm_param;
+ u32 pic_height_cu =
+ (hevc->height + hevc->lcu_size - 1) / hevc->lcu_size;
+ u32 sao_mem_unit = (hevc->lcu_size == 16 ? 9 :
+ hevc->lcu_size == 32 ? 14 : 24) << 4;
+ u32 sao_vb_size = (sao_mem_unit + (2 << 4)) * pic_height_cu;
+ u32 misc_flag0 = param->p.misc_flag0;
+ dma_addr_t buf_y_paddr;
+ dma_addr_t buf_u_v_paddr;
+ u32 slice_deblocking_filter_disabled_flag;
+ u32 val, val_2;
+
+ val = (amvdec_read_dos(core, HEVC_SAO_CTRL0) & ~0xf) |
+ ilog2(hevc->lcu_size);
+ amvdec_write_dos(core, HEVC_SAO_CTRL0, val);
+
+ amvdec_write_dos(core, HEVC_SAO_PIC_SIZE,
+ hevc->width | (hevc->height << 16));
+ amvdec_write_dos(core, HEVC_SAO_PIC_SIZE_LCU,
+ (hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16);
+
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit) ||
+ codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
+ hevc->is_10bit))
+ buf_y_paddr =
+ hevc->common.fbc_buffer_paddr[vb->index];
+ else
+ buf_y_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) {
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000;
+ amvdec_write_dos(core, HEVC_SAO_CTRL5, val);
+ amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr);
+ }
+
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) {
+ buf_y_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 0);
+ buf_u_v_paddr =
+ vb2_dma_contig_plane_dma_addr(vb, 1);
+ amvdec_write_dos(core, HEVC_SAO_Y_START_ADDR, buf_y_paddr);
+ amvdec_write_dos(core, HEVC_SAO_C_START_ADDR, buf_u_v_paddr);
+ amvdec_write_dos(core, HEVC_SAO_Y_WPTR, buf_y_paddr);
+ amvdec_write_dos(core, HEVC_SAO_C_WPTR, buf_u_v_paddr);
+ }
+
+ if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
+ hevc->is_10bit)) {
+ dma_addr_t header_adr = vb2_dma_contig_plane_dma_addr(vb, 0);
+
+ if (codec_hevc_use_downsample(sess->pixfmt_cap, hevc->is_10bit))
+ header_adr = hevc->common.mmu_header_paddr[vb->index];
+ amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr);
+ /* use HEVC_CM_HEADER_START_ADDR */
+ amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10));
+ amvdec_write_dos_bits(core, HEVC_SAO_CTRL9, BIT(0));
+ }
+
+ amvdec_write_dos(core, HEVC_SAO_Y_LENGTH,
+ amvdec_get_output_size(sess));
+ amvdec_write_dos(core, HEVC_SAO_C_LENGTH,
+ (amvdec_get_output_size(sess) / 2));
+
+ if (frame->cur_slice_idx == 0) {
+ if (core->platform->revision >= VDEC_REVISION_G12A) {
+ if (core->platform->revision >= VDEC_REVISION_SM1)
+ val = 0xfc << 8;
+ else
+ val = 0x54 << 8;
+
+ /* enable first, compressed write */
+ if (codec_hevc_use_fbc(sess->pixfmt_cap,
+ hevc->is_10bit))
+ val |= BIT(8);
+
+ /* enable second, uncompressed write */
+ if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M)
+ val |= BIT(9);
+
+ /* dblk pipeline mode=1 for performance */
+ if (hevc->width >= 1280)
+ val |= BIT(4);
+
+ amvdec_write_dos(core, HEVC_DBLK_CFGB, val);
+ amvdec_write_dos(core, HEVC_DBLK_STS1 + 16, BIT(28));
+ }
+
+ amvdec_write_dos(core, HEVC_DBLK_CFG2,
+ hevc->width | (hevc->height << 16));
+
+ val = 0;
+ if ((misc_flag0 >> PCM_ENABLE_FLAG_BIT) & 0x1)
+ val |= ((misc_flag0 >>
+ PCM_LOOP_FILTER_DISABLED_FLAG_BIT) & 0x1) << 3;
+
+ val |= (param->p.pps_cb_qp_offset & 0x1f) << 4;
+ val |= (param->p.pps_cr_qp_offset & 0x1f) << 9;
+ val |= (hevc->lcu_size == 64) ? 0 :
+ ((hevc->lcu_size == 32) ? 1 : 2);
+ amvdec_write_dos(core, HEVC_DBLK_CFG1, val);
+ }
+
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL1) & ~0x3ff3;
+ val |= 0xff0; /* Set endianness for 2-bytes swaps (nv12) */
+ if (core->platform->revision < VDEC_REVISION_G12A) {
+ if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit))
+ val |= BIT(0); /* disable cm compression */
+ /* TOFIX: Handle Amlogic Framebuffer compression */
+ }
+
+ amvdec_write_dos(core, HEVC_SAO_CTRL1, val);
+
+ if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) {
+ /* no downscale for NV12 */
+ val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0000;
+ amvdec_write_dos(core, HEVC_SAO_CTRL5, val);
+ }
+
+ val = amvdec_read_dos(core, HEVCD_IPP_AXIIF_CONFIG) & ~0x30;
+ val |= 0xf;
+ amvdec_write_dos(core, HEVCD_IPP_AXIIF_CONFIG, val);
+
+ val = 0;
+ val_2 = amvdec_read_dos(core, HEVC_SAO_CTRL0);
+ val_2 &= (~0x300);
+
+ slice_deblocking_filter_disabled_flag = (misc_flag0 >>
+ SLICE_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1;
+ if ((misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_ENABLED_FLAG_BIT)) &&
+ (misc_flag0 & (1 << DEBLOCKING_FILTER_OVERRIDE_FLAG_BIT))) {
+ val |= slice_deblocking_filter_disabled_flag << 2;
+
+ if (!slice_deblocking_filter_disabled_flag) {
+ val |= (param->p.slice_beta_offset_div2 & 0xf) << 3;
+ val |= (param->p.slice_tc_offset_div2 & 0xf) << 7;
+ }
+ } else {
+ val |=
+ ((misc_flag0 >>
+ PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) & 0x1) << 2;
+
+ if (((misc_flag0 >> PPS_DEBLOCKING_FILTER_DISABLED_FLAG_BIT) &
+ 0x1) == 0) {
+ val |= (param->p.pps_beta_offset_div2 & 0xf) << 3;
+ val |= (param->p.pps_tc_offset_div2 & 0xf) << 7;
+ }
+ }
+ if ((misc_flag0 & (1 << PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)) &&
+ ((misc_flag0 & (1 << SLICE_SAO_LUMA_FLAG_BIT)) ||
+ (misc_flag0 & (1 << SLICE_SAO_CHROMA_FLAG_BIT)) ||
+ (!slice_deblocking_filter_disabled_flag))) {
+ val |=
+ ((misc_flag0 >>
+ SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)
+ & 0x1) << 1;
+ val_2 |=
+ ((misc_flag0 >>
+ SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)
+ & 0x1) << 9;
+ } else {
+ val |=
+ ((misc_flag0 >>
+ PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)
+ & 0x1) << 1;
+ val_2 |=
+ ((misc_flag0 >>
+ PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED_FLAG_BIT)
+ & 0x1) << 9;
+ }
+
+ amvdec_write_dos(core, HEVC_DBLK_CFG9, val);
+ amvdec_write_dos(core, HEVC_SAO_CTRL0, val_2);
+
+ amvdec_write_dos(core, HEVC_sao_mem_unit, sao_mem_unit);
+ amvdec_write_dos(core, HEVC_SAO_ABV,
+ hevc->workspace_paddr + SAO_ABV_OFFSET);
+ amvdec_write_dos(core, HEVC_sao_vb_size, sao_vb_size);
+ amvdec_write_dos(core, HEVC_SAO_VB,
+ hevc->workspace_paddr + SAO_VB_OFFSET);
+}
+
+static dma_addr_t codec_hevc_get_frame_mv_paddr(struct codec_hevc *hevc,
+ struct hevc_frame *frame)
+{
+ return hevc->workspace_paddr + MPRED_MV_OFFSET +
+ (frame->vbuf->vb2_buf.index * MPRED_MV_BUF_SIZE);
+}
+
+static void
+codec_hevc_set_mpred_ctrl(struct amvdec_core *core, struct codec_hevc *hevc)
+{
+ union rpm_param *param = &hevc->rpm_param;
+ u32 slice_type = param->p.slice_type;
+ u32 lcu_size_log2 = ilog2(hevc->lcu_size);
+ u32 val;
+
+ val = slice_type |
+ MPRED_CTRL0_ABOVE_EN |
+ MPRED_CTRL0_MV_WR_EN |
+ MPRED_CTRL0_BUF_LINEAR |
+ (lcu_size_log2 << 16) |
+ (3 << 20) | /* cu_size_log2 */
+ (param->p.log2_parallel_merge_level << 24);
+
+ if (slice_type != I_SLICE)
+ val |= MPRED_CTRL0_MV_RD_EN;
+
+ if (param->p.collocated_from_l0_flag)
+ val |= MPRED_CTRL0_COL_FROM_L0;
+
+ if (param->p.slice_temporal_mvp_enable_flag)
+ val |= MPRED_CTRL0_TMVP;
+
+ if (hevc->ldc_flag)
+ val |= MPRED_CTRL0_LDC;
+
+ if (param->p.dependent_slice_segment_flag)
+ val |= MPRED_CTRL0_NEW_SLI_SEG;
+
+ if (param->p.slice_segment_address == 0)
+ val |= MPRED_CTRL0_NEW_PIC |
+ MPRED_CTRL0_NEW_TILE;
+
+ amvdec_write_dos(core, HEVC_MPRED_CTRL0, val);
+
+ val = (5 - param->p.five_minus_max_num_merge_cand) |
+ (AMVP_MAX_NUM_CANDS << 4) |
+ (AMVP_MAX_NUM_CANDS_MEM << 8) |
+ (NUM_CHROMA_MODE << 12) |
+ (DM_CHROMA_IDX << 16);
+ amvdec_write_dos(core, HEVC_MPRED_CTRL1, val);
+}
+
+static void codec_hevc_set_mpred_mv(struct amvdec_core *core,
+ struct codec_hevc *hevc,
+ struct hevc_frame *frame,
+ struct hevc_frame *col_frame)
+{
+ union rpm_param *param = &hevc->rpm_param;
+ u32 lcu_size_log2 = ilog2(hevc->lcu_size);
+ u32 mv_mem_unit = lcu_size_log2 == 6 ? 0x200 :
+ lcu_size_log2 == 5 ? 0x80 : 0x20;
+ dma_addr_t col_mv_rd_start_addr, col_mv_rd_ptr, col_mv_rd_end_addr;
+ dma_addr_t mpred_mv_wr_ptr;
+
+ amvdec_read_dos(core, HEVC_MPRED_CURR_LCU);
+
+ col_mv_rd_start_addr = codec_hevc_get_frame_mv_paddr(hevc, col_frame);
+ mpred_mv_wr_ptr = codec_hevc_get_frame_mv_paddr(hevc, frame) +
+ (hevc->slice_addr * mv_mem_unit);
+ col_mv_rd_ptr = col_mv_rd_start_addr +
+ (hevc->slice_addr * mv_mem_unit);
+ col_mv_rd_end_addr = col_mv_rd_start_addr +
+ (hevc->lcu_total * mv_mem_unit);
+
+ amvdec_write_dos(core, HEVC_MPRED_MV_WR_START_ADDR,
+ codec_hevc_get_frame_mv_paddr(hevc, frame));
+ amvdec_write_dos(core, HEVC_MPRED_MV_RD_START_ADDR,
+ col_mv_rd_start_addr);
+
+ if (param->p.slice_segment_address == 0) {
+ amvdec_write_dos(core, HEVC_MPRED_ABV_START_ADDR,
+ hevc->workspace_paddr + MPRED_ABV_OFFSET);
+ amvdec_write_dos(core, HEVC_MPRED_MV_WPTR, mpred_mv_wr_ptr);
+ amvdec_write_dos(core, HEVC_MPRED_MV_RPTR,
+ col_mv_rd_start_addr);
+ } else {
+ amvdec_write_dos(core, HEVC_MPRED_MV_RPTR, col_mv_rd_ptr);
+ }
+
+ amvdec_write_dos(core, HEVC_MPRED_MV_RD_END_ADDR, col_mv_rd_end_addr);
+}
+
+/* Update motion prediction with the current slice */
+static void codec_hevc_set_mpred(struct amvdec_session *sess,
+ struct hevc_frame *frame,
+ struct hevc_frame *col_frame)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_hevc *hevc = sess->priv;
+ u32 *ref_num = frame->ref_num;
+ u32 *ref_poc_l0 = frame->ref_poc_list[0][frame->cur_slice_idx];
+ u32 *ref_poc_l1 = frame->ref_poc_list[1][frame->cur_slice_idx];
+ u32 val;
+ int i;
+
+ codec_hevc_set_mpred_ctrl(core, hevc);
+ codec_hevc_set_mpred_mv(core, hevc, frame, col_frame);
+
+ amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE,
+ hevc->width | (hevc->height << 16));
+
+ val = ((hevc->lcu_x_num - 1) | (hevc->lcu_y_num - 1) << 16);
+ amvdec_write_dos(core, HEVC_MPRED_PIC_SIZE_LCU, val);
+
+ amvdec_write_dos(core, HEVC_MPRED_REF_NUM,
+ (ref_num[1] << 8) | ref_num[0]);
+ amvdec_write_dos(core, HEVC_MPRED_REF_EN_L0, (1 << ref_num[0]) - 1);
+ amvdec_write_dos(core, HEVC_MPRED_REF_EN_L1, (1 << ref_num[1]) - 1);
+
+ amvdec_write_dos(core, HEVC_MPRED_CUR_POC, hevc->curr_poc);
+ amvdec_write_dos(core, HEVC_MPRED_COL_POC, hevc->col_poc);
+
+ for (i = 0; i < MAX_REF_ACTIVE; ++i) {
+ amvdec_write_dos(core, HEVC_MPRED_L0_REF00_POC + i * 4,
+ ref_poc_l0[i]);
+ amvdec_write_dos(core, HEVC_MPRED_L1_REF00_POC + i * 4,
+ ref_poc_l1[i]);
+ }
+}
+
+/* motion compensation reference cache controller */
+static void codec_hevc_set_mcrcc(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_hevc *hevc = sess->priv;
+ u32 val, val_2;
+ int l0_cnt = 0;
+ int l1_cnt = 0x7fff;
+
+ if (!codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) {
+ l0_cnt = hevc->cur_frame->ref_num[0];
+ l1_cnt = hevc->cur_frame->ref_num[1];
+ }
+
+ if (hevc->cur_frame->cur_slice_type == I_SLICE) {
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0);
+ return;
+ }
+
+ if (hevc->cur_frame->cur_slice_type == P_SLICE) {
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR,
+ BIT(1));
+ val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR);
+ val &= 0xffff;
+ val |= (val << 16);
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val);
+
+ if (l0_cnt == 1) {
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val);
+ } else {
+ val = amvdec_read_dos(core,
+ HEVCD_MPP_ANC_CANVAS_DATA_ADDR);
+ val &= 0xffff;
+ val |= (val << 16);
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val);
+ }
+ } else { /* B_SLICE */
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 0);
+ val = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR);
+ val &= 0xffff;
+ val |= (val << 16);
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL2, val);
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR,
+ BIT(12) | BIT(1));
+ val_2 = amvdec_read_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR);
+ val_2 &= 0xffff;
+ val_2 |= (val_2 << 16);
+ if (val == val_2 && l1_cnt > 1) {
+ val_2 = amvdec_read_dos(core,
+ HEVCD_MPP_ANC_CANVAS_DATA_ADDR);
+ val_2 &= 0xffff;
+ val_2 |= (val_2 << 16);
+ }
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL3, val);
+ }
+
+ /* enable mcrcc progressive-mode */
+ amvdec_write_dos(core, HEVCD_MCRCC_CTL1, 0xff0);
+}
+
+static void codec_hevc_set_ref_list(struct amvdec_session *sess,
+ u32 ref_num, u32 *ref_poc_list)
+{
+ struct codec_hevc *hevc = sess->priv;
+ struct hevc_frame *ref_frame;
+ struct amvdec_core *core = sess->core;
+ int i;
+ u32 buf_id_y;
+ u32 buf_id_uv;
+
+ for (i = 0; i < ref_num; i++) {
+ ref_frame = codec_hevc_get_frame_by_poc(hevc, ref_poc_list[i]);
+
+ if (!ref_frame) {
+ dev_warn(core->dev, "Couldn't find ref. frame %u\n",
+ ref_poc_list[i]);
+ continue;
+ }
+
+ if (codec_hevc_use_fbc(sess->pixfmt_cap, hevc->is_10bit)) {
+ buf_id_y = ref_frame->vbuf->vb2_buf.index;
+ buf_id_uv = buf_id_y;
+ } else {
+ buf_id_y = ref_frame->vbuf->vb2_buf.index * 2;
+ buf_id_uv = buf_id_y + 1;
+ }
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR,
+ (buf_id_uv << 16) |
+ (buf_id_uv << 8) |
+ buf_id_y);
+ }
+}
+
+static void codec_hevc_set_mc(struct amvdec_session *sess,
+ struct hevc_frame *frame)
+{
+ struct amvdec_core *core = sess->core;
+
+ if (frame->cur_slice_type == I_SLICE)
+ return;
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1);
+ codec_hevc_set_ref_list(sess, frame->ref_num[0],
+ frame->ref_poc_list[0][frame->cur_slice_idx]);
+
+ if (frame->cur_slice_type == P_SLICE)
+ return;
+
+ amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR,
+ BIT(12) | BIT(0));
+ codec_hevc_set_ref_list(sess, frame->ref_num[1],
+ frame->ref_poc_list[1][frame->cur_slice_idx]);
+}
+
+static void codec_hevc_update_col_frame(struct codec_hevc *hevc)
+{
+ struct hevc_frame *cur_frame = hevc->cur_frame;
+ union rpm_param *param = &hevc->rpm_param;
+ u32 list_no = 0;
+ u32 col_ref = param->p.collocated_ref_idx;
+ u32 col_from_l0 = param->p.collocated_from_l0_flag;
+ u32 cur_slice_idx = cur_frame->cur_slice_idx;
+
+ if (cur_frame->cur_slice_type == B_SLICE)
+ list_no = 1 - col_from_l0;
+
+ if (col_ref >= cur_frame->ref_num[list_no])
+ hevc->col_poc = INVALID_POC;
+ else
+ hevc->col_poc = cur_frame->ref_poc_list[list_no]
+ [cur_slice_idx]
+ [col_ref];
+
+ if (cur_frame->cur_slice_type == I_SLICE)
+ goto end;
+
+ if (hevc->col_poc != INVALID_POC)
+ hevc->col_frame = codec_hevc_get_frame_by_poc(hevc,
+ hevc->col_poc);
+ else
+ hevc->col_frame = hevc->cur_frame;
+
+end:
+ if (!hevc->col_frame)
+ hevc->col_frame = hevc->cur_frame;
+}
+
+static void codec_hevc_update_pocs(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ union rpm_param *param = &hevc->rpm_param;
+ u32 nal_unit_type = param->p.m_nalUnitType;
+ u32 temporal_id = param->p.m_temporalId & 0x7;
+ int max_poc_lsb =
+ 1 << (param->p.log2_max_pic_order_cnt_lsb_minus4 + 4);
+ int prev_poc_lsb;
+ int prev_poc_msb;
+ int poc_msb;
+ int poc_lsb = param->p.POClsb;
+
+ if (nal_unit_type == NAL_UNIT_CODED_SLICE_IDR ||
+ nal_unit_type == NAL_UNIT_CODED_SLICE_IDR_N_LP) {
+ hevc->curr_poc = 0;
+ if ((temporal_id - 1) == 0)
+ hevc->prev_tid0_poc = hevc->curr_poc;
+
+ return;
+ }
+
+ prev_poc_lsb = hevc->prev_tid0_poc % max_poc_lsb;
+ prev_poc_msb = hevc->prev_tid0_poc - prev_poc_lsb;
+
+ if ((poc_lsb < prev_poc_lsb) &&
+ ((prev_poc_lsb - poc_lsb) >= (max_poc_lsb / 2)))
+ poc_msb = prev_poc_msb + max_poc_lsb;
+ else if ((poc_lsb > prev_poc_lsb) &&
+ ((poc_lsb - prev_poc_lsb) > (max_poc_lsb / 2)))
+ poc_msb = prev_poc_msb - max_poc_lsb;
+ else
+ poc_msb = prev_poc_msb;
+
+ if (nal_unit_type == NAL_UNIT_CODED_SLICE_BLA ||
+ nal_unit_type == NAL_UNIT_CODED_SLICE_BLANT ||
+ nal_unit_type == NAL_UNIT_CODED_SLICE_BLA_N_LP)
+ poc_msb = 0;
+
+ hevc->curr_poc = (poc_msb + poc_lsb);
+ if ((temporal_id - 1) == 0)
+ hevc->prev_tid0_poc = hevc->curr_poc;
+}
+
+static void codec_hevc_process_segment_header(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ union rpm_param *param = &hevc->rpm_param;
+
+ if (param->p.first_slice_segment_in_pic_flag == 0) {
+ hevc->slice_segment_addr = param->p.slice_segment_address;
+ if (!param->p.dependent_slice_segment_flag)
+ hevc->slice_addr = hevc->slice_segment_addr;
+ } else {
+ hevc->slice_segment_addr = 0;
+ hevc->slice_addr = 0;
+ }
+
+ codec_hevc_update_pocs(sess);
+}
+
+static int codec_hevc_process_segment(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ struct amvdec_core *core = sess->core;
+ union rpm_param *param = &hevc->rpm_param;
+ u32 slice_segment_address = param->p.slice_segment_address;
+
+ /* First slice: new frame */
+ if (slice_segment_address == 0) {
+ codec_hevc_update_referenced(hevc);
+ codec_hevc_show_frames(sess);
+
+ hevc->cur_frame = codec_hevc_prepare_new_frame(sess);
+ if (!hevc->cur_frame)
+ return -1;
+ } else {
+ hevc->cur_frame->cur_slice_idx++;
+ }
+
+ codec_hevc_update_frame_refs(sess, hevc->cur_frame);
+ codec_hevc_update_col_frame(hevc);
+ codec_hevc_update_ldc_flag(hevc);
+ if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap,
+ hevc->is_10bit))
+ codec_hevc_fill_mmu_map(sess, &hevc->common,
+ &hevc->cur_frame->vbuf->vb2_buf,
+ hevc->is_10bit);
+ codec_hevc_set_mc(sess, hevc->cur_frame);
+ codec_hevc_set_mcrcc(sess);
+ codec_hevc_set_mpred(sess, hevc->cur_frame, hevc->col_frame);
+ codec_hevc_set_sao(sess, hevc->cur_frame);
+
+ amvdec_write_dos_bits(core, HEVC_WAIT_FLAG, BIT(1));
+ amvdec_write_dos(core, HEVC_DEC_STATUS_REG,
+ HEVC_CODED_SLICE_SEGMENT_DAT);
+
+ /* Interrupt the firmware's processor */
+ amvdec_write_dos(core, HEVC_MCPU_INTR_REQ, AMRISC_MAIN_REQ);
+
+ return 0;
+}
+
+static int codec_hevc_process_rpm(struct codec_hevc *hevc)
+{
+ union rpm_param *param = &hevc->rpm_param;
+ int src_changed = 0;
+ u32 dst_width, dst_height;
+ u32 lcu_size;
+ u32 is_10bit = 0;
+
+ if (param->p.slice_segment_address ||
+ !param->p.pic_width_in_luma_samples ||
+ !param->p.pic_height_in_luma_samples)
+ return 0;
+
+ if (param->p.bit_depth)
+ is_10bit = 1;
+
+ hevc->width = param->p.pic_width_in_luma_samples;
+ hevc->height = param->p.pic_height_in_luma_samples;
+ dst_width = hevc->width;
+ dst_height = hevc->height;
+
+ lcu_size = 1 << (param->p.log2_min_coding_block_size_minus3 +
+ 3 + param->p.log2_diff_max_min_coding_block_size);
+
+ hevc->lcu_x_num = (hevc->width + lcu_size - 1) / lcu_size;
+ hevc->lcu_y_num = (hevc->height + lcu_size - 1) / lcu_size;
+ hevc->lcu_total = hevc->lcu_x_num * hevc->lcu_y_num;
+
+ if (param->p.conformance_window_flag) {
+ u32 sub_width = 1, sub_height = 1;
+
+ switch (param->p.chroma_format_idc) {
+ case 1:
+ sub_height = 2;
+ fallthrough;
+ case 2:
+ sub_width = 2;
+ break;
+ }
+
+ dst_width -= sub_width *
+ (param->p.conf_win_left_offset +
+ param->p.conf_win_right_offset);
+ dst_height -= sub_height *
+ (param->p.conf_win_top_offset +
+ param->p.conf_win_bottom_offset);
+ }
+
+ if (dst_width != hevc->dst_width ||
+ dst_height != hevc->dst_height ||
+ lcu_size != hevc->lcu_size ||
+ is_10bit != hevc->is_10bit)
+ src_changed = 1;
+
+ hevc->dst_width = dst_width;
+ hevc->dst_height = dst_height;
+ hevc->lcu_size = lcu_size;
+ hevc->is_10bit = is_10bit;
+
+ return src_changed;
+}
+
+/*
+ * The RPM section within the workspace contains
+ * many information regarding the parsed bitstream
+ */
+static void codec_hevc_fetch_rpm(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+ u16 *rpm_vaddr = hevc->workspace_vaddr + RPM_OFFSET;
+ int i, j;
+
+ for (i = 0; i < RPM_SIZE; i += 4) {
+ for (j = 0; j < 4; j++)
+ hevc->rpm_param.l.data[i + j] =
+ rpm_vaddr[i + 3 - j];
+ }
+}
+
+static void codec_hevc_resume(struct amvdec_session *sess)
+{
+ struct codec_hevc *hevc = sess->priv;
+
+ if (codec_hevc_setup_buffers(sess, &hevc->common, hevc->is_10bit)) {
+ amvdec_abort(sess);
+ return;
+ }
+
+ codec_hevc_setup_decode_head(sess, hevc->is_10bit);
+ codec_hevc_process_segment_header(sess);
+ if (codec_hevc_process_segment(sess))
+ amvdec_abort(sess);
+}
+
+static irqreturn_t codec_hevc_threaded_isr(struct amvdec_session *sess)
+{
+ struct amvdec_core *core = sess->core;
+ struct codec_hevc *hevc = sess->priv;
+ u32 dec_status = amvdec_read_dos(core, HEVC_DEC_STATUS_REG);
+
+ if (!hevc)
+ return IRQ_HANDLED;
+
+ mutex_lock(&hevc->lock);
+ if (dec_status != HEVC_SLICE_SEGMENT_DONE) {
+ dev_err(core->dev_dec, "Unrecognized dec_status: %08X\n",
+ dec_status);
+ amvdec_abort(sess);
+ goto unlock;
+ }
+
+ sess->keyframe_found = 1;
+ codec_hevc_fetch_rpm(sess);
+ if (codec_hevc_process_rpm(hevc)) {
+ amvdec_src_change(sess, hevc->dst_width, hevc->dst_height, 16,
+ hevc->is_10bit ? 10 : 8);
+ goto unlock;
+ }
+
+ codec_hevc_process_segment_header(sess);
+ if (codec_hevc_process_segment(sess))
+ amvdec_abort(sess);
+
+unlock:
+ mutex_unlock(&hevc->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t codec_hevc_isr(struct amvdec_session *sess)
+{
+ return IRQ_WAKE_THREAD;
+}
+
+struct amvdec_codec_ops codec_hevc_ops = {
+ .start = codec_hevc_start,
+ .stop = codec_hevc_stop,
+ .isr = codec_hevc_isr,
+ .threaded_isr = codec_hevc_threaded_isr,
+ .num_pending_bufs = codec_hevc_num_pending_bufs,
+ .drain = codec_hevc_flush_output,
+ .resume = codec_hevc_resume,
+};
diff --git a/drivers/staging/media/meson/vdec/codec_hevc.h b/drivers/staging/media/meson/vdec/codec_hevc.h
new file mode 100644
index 000000000000..f2f9b2464df1
--- /dev/null
+++ b/drivers/staging/media/meson/vdec/codec_hevc.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Maxime Jourdan <maxi.jourdan@wanadoo.fr>
+ */
+
+#ifndef __MESON_VDEC_CODEC_HEVC_H_
+#define __MESON_VDEC_CODEC_HEVC_H_
+
+#include "vdec.h"
+
+extern struct amvdec_codec_ops codec_hevc_ops;
+
+#endif
diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c
index 3cd29ab4f979..6988348ce714 100644
--- a/drivers/staging/media/meson/vdec/esparser.c
+++ b/drivers/staging/media/meson/vdec/esparser.c
@@ -310,7 +310,8 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf)
* they could pause when there is no capture buffer available and
* resume on this notification.
*/
- if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9) {
+ if (sess->fmt_out->pixfmt == V4L2_PIX_FMT_VP9 ||
+ sess->fmt_out->pixfmt == V4L2_PIX_FMT_HEVC) {
if (codec_ops->num_pending_bufs)
num_dst_bufs = codec_ops->num_pending_bufs(sess);
diff --git a/drivers/staging/media/meson/vdec/hevc_regs.h b/drivers/staging/media/meson/vdec/hevc_regs.h
index 0392f41a1eed..e7eabdd2b119 100644
--- a/drivers/staging/media/meson/vdec/hevc_regs.h
+++ b/drivers/staging/media/meson/vdec/hevc_regs.h
@@ -205,6 +205,7 @@
#define HEVC_CM_HEADER_START_ADDR 0xd8a0
#define HEVC_CM_HEADER_LENGTH 0xd8a4
#define HEVC_CM_HEADER_OFFSET 0xd8ac
+#define HEVC_SAO_CTRL9 0xd8b4
#define HEVC_SAO_MMU_VH0_ADDR 0xd8e8
#define HEVC_SAO_MMU_VH1_ADDR 0xd8ec
diff --git a/drivers/staging/media/meson/vdec/vdec_platform.c b/drivers/staging/media/meson/vdec/vdec_platform.c
index 88c9d72e1c83..ea2aa0e8cf0b 100644
--- a/drivers/staging/media/meson/vdec/vdec_platform.c
+++ b/drivers/staging/media/meson/vdec/vdec_platform.c
@@ -11,10 +11,23 @@
#include "vdec_hevc.h"
#include "codec_mpeg12.h"
#include "codec_h264.h"
+#include "codec_hevc.h"
#include "codec_vp9.h"
static const struct amvdec_format vdec_formats_gxbb[] = {
{
+ .pixfmt = V4L2_PIX_FMT_HEVC,
+ .min_buffers = 4,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_hevc_ops,
+ .firmware_path = "meson/vdec/gxl_hevc.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
.pixfmt = V4L2_PIX_FMT_H264,
.min_buffers = 2,
.max_buffers = 24,
@@ -64,6 +77,18 @@ static const struct amvdec_format vdec_formats_gxl[] = {
.pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
.flags = V4L2_FMT_FLAG_COMPRESSED |
V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_HEVC,
+ .min_buffers = 4,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_hevc_ops,
+ .firmware_path = "meson/vdec/gxl_hevc.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_H264,
.min_buffers = 2,
@@ -114,6 +139,18 @@ static const struct amvdec_format vdec_formats_gxm[] = {
.pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
.flags = V4L2_FMT_FLAG_COMPRESSED |
V4L2_FMT_FLAG_DYN_RESOLUTION,
+ }, {
+ .pixfmt = V4L2_PIX_FMT_HEVC,
+ .min_buffers = 4,
+ .max_buffers = 24,
+ .max_width = 3840,
+ .max_height = 2160,
+ .vdec_ops = &vdec_hevc_ops,
+ .codec_ops = &codec_hevc_ops,
+ .firmware_path = "meson/vdec/gxl_hevc.bin",
+ .pixfmts_cap = { V4L2_PIX_FMT_NV12M, 0 },
+ .flags = V4L2_FMT_FLAG_COMPRESSED |
+ V4L2_FMT_FLAG_DYN_RESOLUTION,
}, {
.pixfmt = V4L2_PIX_FMT_H264,
.min_buffers = 2,
--
2.34.1
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