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Message-Id: <22ff06d69aff363317cbba9b6a504e595ea08b4a.1634095309.git.ming.qian@nxp.com>
Date: Wed, 13 Oct 2021 16:27:25 +0800
From: Ming Qian <ming.qian@....com>
To: mchehab@...nel.org, shawnguo@...nel.org, robh+dt@...nel.org,
s.hauer@...gutronix.de
Cc: hverkuil-cisco@...all.nl, kernel@...gutronix.de,
festevam@...il.com, linux-imx@....com, aisheng.dong@....com,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v10 09/13] media: amphion: implement windsor encoder rpc interface
This part implements the windsor encoder rpc interface.
Signed-off-by: Ming Qian <ming.qian@....com>
Signed-off-by: Shijie Qin <shijie.qin@....com>
Signed-off-by: Zhou Peng <eagle.zhou@....com>
Reported-by: kernel test robot <lkp@...el.com>
---
drivers/media/platform/amphion/vpu_windsor.c | 1222 ++++++++++++++++++
drivers/media/platform/amphion/vpu_windsor.h | 39 +
2 files changed, 1261 insertions(+)
create mode 100644 drivers/media/platform/amphion/vpu_windsor.c
create mode 100644 drivers/media/platform/amphion/vpu_windsor.h
diff --git a/drivers/media/platform/amphion/vpu_windsor.c b/drivers/media/platform/amphion/vpu_windsor.c
new file mode 100644
index 000000000000..21e14232e7b4
--- /dev/null
+++ b/drivers/media/platform/amphion/vpu_windsor.c
@@ -0,0 +1,1222 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020-2021 NXP
+ */
+
+#include <linux/init.h>
+#include <linux/interconnect.h>
+#include <linux/ioctl.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <media/videobuf2-v4l2.h>
+#include <media/videobuf2-dma-contig.h>
+#include "vpu.h"
+#include "vpu_rpc.h"
+#include "vpu_defs.h"
+#include "vpu_helpers.h"
+#include "vpu_cmds.h"
+#include "vpu_v4l2.h"
+#include "vpu_imx8q.h"
+#include "vpu_windsor.h"
+
+#define CMD_SIZE 2560
+#define MSG_SIZE 25600
+#define WINDSOR_USER_DATA_WORDS 16
+#define WINDSOR_MAX_SRC_FRAMES 0x6
+#define WINDSOR_MAX_REF_FRAMES 0x3
+#define WINDSOR_BITRATE_UNIT 1024
+#define WINDSOR_H264_EXTENDED_SAR 255
+
+enum {
+ GTB_ENC_CMD_NOOP = 0x0,
+ GTB_ENC_CMD_STREAM_START,
+ GTB_ENC_CMD_FRAME_ENCODE,
+ GTB_ENC_CMD_FRAME_SKIP,
+ GTB_ENC_CMD_STREAM_STOP,
+ GTB_ENC_CMD_PARAMETER_UPD,
+ GTB_ENC_CMD_TERMINATE,
+ GTB_ENC_CMD_SNAPSHOT,
+ GTB_ENC_CMD_ROLL_SNAPSHOT,
+ GTB_ENC_CMD_LOCK_SCHEDULER,
+ GTB_ENC_CMD_UNLOCK_SCHEDULER,
+ GTB_ENC_CMD_CONFIGURE_CODEC,
+ GTB_ENC_CMD_DEAD_MARK,
+ GTB_ENC_CMD_FIRM_RESET,
+ GTB_ENC_CMD_FW_STATUS,
+ GTB_ENC_CMD_RESERVED
+};
+
+enum {
+ VID_API_EVENT_UNDEFINED = 0x0,
+ VID_API_ENC_EVENT_RESET_DONE = 0x1,
+ VID_API_ENC_EVENT_START_DONE,
+ VID_API_ENC_EVENT_STOP_DONE,
+ VID_API_ENC_EVENT_TERMINATE_DONE,
+ VID_API_ENC_EVENT_FRAME_INPUT_DONE,
+ VID_API_ENC_EVENT_FRAME_DONE,
+ VID_API_ENC_EVENT_FRAME_RELEASE,
+ VID_API_ENC_EVENT_PARA_UPD_DONE,
+ VID_API_ENC_EVENT_MEM_REQUEST,
+ VID_API_ENC_EVENT_FIRMWARE_XCPT,
+ VID_API_ENC_EVENT_RESERVED
+};
+
+enum {
+ MEDIAIP_ENC_PIC_TYPE_B_FRAME = 0,
+ MEDIAIP_ENC_PIC_TYPE_P_FRAME,
+ MEDIAIP_ENC_PIC_TYPE_I_FRAME,
+ MEDIAIP_ENC_PIC_TYPE_IDR_FRAME,
+ MEDIAIP_ENC_PIC_TYPE_BI_FRAME
+};
+
+struct windsor_iface {
+ u32 exec_base_addr;
+ u32 exec_area_size;
+ struct vpu_rpc_buffer_desc cmd_buffer_desc;
+ struct vpu_rpc_buffer_desc msg_buffer_desc;
+ u32 cmd_int_enable[VID_API_NUM_STREAMS];
+ u32 fw_version;
+ u32 mvd_fw_offset;
+ u32 max_streams;
+ u32 ctrl_iface[VID_API_NUM_STREAMS];
+ struct vpu_rpc_system_config system_config;
+ u32 api_version;
+ struct vpu_rpc_buffer_desc log_buffer_desc;
+};
+
+struct windsor_ctrl_iface {
+ u32 enc_yuv_buffer_desc;
+ u32 enc_stream_buffer_desc;
+ u32 enc_expert_mode_param;
+ u32 enc_param;
+ u32 enc_mem_pool;
+ u32 enc_encoding_status;
+ u32 enc_dsa_status;
+};
+
+struct vpu_enc_yuv_desc {
+ u32 frame_id;
+ u32 luma_base;
+ u32 chroma_base;
+ u32 param_idx;
+ u32 key_frame;
+};
+
+struct vpu_enc_calib_params {
+ u32 use_ame;
+
+ u32 cme_mvx_max;
+ u32 cme_mvy_max;
+ u32 ame_prefresh_y0;
+ u32 ame_prefresh_y1;
+ u32 fme_min_sad;
+ u32 cme_min_sad;
+
+ u32 fme_pred_int_weight;
+ u32 fme_pred_hp_weight;
+ u32 fme_pred_qp_weight;
+ u32 fme_cost_weight;
+ u32 fme_act_thold;
+ u32 fme_sad_thold;
+ u32 fme_zero_sad_thold;
+
+ u32 fme_lrg_mvx_lmt;
+ u32 fme_lrg_mvy_lmt;
+ u32 fme_force_mode;
+ u32 fme_force4mvcost;
+ u32 fme_force2mvcost;
+
+ u32 h264_inter_thrd;
+
+ u32 i16x16_mode_cost;
+ u32 i4x4_mode_lambda;
+ u32 i8x8_mode_lambda;
+
+ u32 inter_mod_mult;
+ u32 inter_sel_mult;
+ u32 inter_bid_cost;
+ u32 inter_bwd_cost;
+ u32 inter_4mv_cost;
+ s32 one_mv_i16_cost;
+ s32 one_mv_i4x4_cost;
+ s32 one_mv_i8x8_cost;
+ s32 two_mv_i16_cost;
+ s32 two_mv_i4x4_cost;
+ s32 two_mv_i8x8_cost;
+ s32 four_mv_i16_cost;
+ s32 four_mv_i4x4_cost;
+ s32 four_mv_i8x8_cost;
+
+ u32 intra_pred_enab;
+ u32 intra_chr_pred;
+ u32 intra16_pred;
+ u32 intra4x4_pred;
+ u32 intra8x8_pred;
+
+ u32 cb_base;
+ u32 cb_size;
+ u32 cb_head_room;
+
+ u32 mem_page_width;
+ u32 mem_page_height;
+ u32 mem_total_size;
+ u32 mem_chunk_phys_addr;
+ u32 mem_chunk_virt_addr;
+ u32 mem_chunk_size;
+ u32 mem_y_stride;
+ u32 mem_uv_stride;
+
+ u32 split_wr_enab;
+ u32 split_wr_req_size;
+ u32 split_rd_enab;
+ u32 split_rd_req_size;
+};
+
+struct vpu_enc_config_params {
+ u32 param_change;
+ u32 start_frame;
+ u32 end_frame;
+ u32 userdata_enable;
+ u32 userdata_id[4];
+ u32 userdata_message[WINDSOR_USER_DATA_WORDS];
+ u32 userdata_length;
+ u32 h264_profile_idc;
+ u32 h264_level_idc;
+ u32 h264_au_delimiter;
+ u32 h264_seq_end_code;
+ u32 h264_recovery_points;
+ u32 h264_vui_parameters;
+ u32 h264_aspect_ratio_present;
+ u32 h264_aspect_ratio_sar_width;
+ u32 h264_aspect_ratio_sar_height;
+ u32 h264_overscan_present;
+ u32 h264_video_type_present;
+ u32 h264_video_format;
+ u32 h264_video_full_range;
+ u32 h264_video_colour_descriptor;
+ u32 h264_video_colour_primaries;
+ u32 h264_video_transfer_char;
+ u32 h264_video_matrix_coeff;
+ u32 h264_chroma_loc_info_present;
+ u32 h264_chroma_loc_type_top;
+ u32 h264_chroma_loc_type_bot;
+ u32 h264_timing_info_present;
+ u32 h264_buffering_period_present;
+ u32 h264_low_delay_hrd_flag;
+ u32 aspect_ratio;
+ u32 test_mode; // Automated firmware test mode
+ u32 dsa_test_mode; // Automated test mode for the DSA.
+ u32 fme_test_mode; // Automated test mode for the fme
+ u32 cbr_row_mode; //0: FW mode; 1: HW mode
+ u32 windsor_mode; //0: normal mode; 1: intra only mode; 2: intra+0MV mode
+ u32 encode_mode; // H264, VC1, MPEG2, DIVX
+ u32 frame_width; // display width
+ u32 frame_height; // display height
+ u32 enc_frame_width; // encoding width, should be 16-pix align
+ u32 enc_frame_height; // encoding height, should be 16-pix aligned
+ u32 frame_rate_num;
+ u32 frame_rate_den;
+ u32 vi_field_source;
+ u32 vi_frame_width;
+ u32 vi_frame_height;
+ u32 crop_frame_width;
+ u32 crop_frame_height;
+ u32 crop_x_start_posn;
+ u32 crop_y_start_posn;
+ u32 mode422;
+ u32 mode_yuy2;
+ u32 dsa_luma_en;
+ u32 dsa_chroma_en;
+ u32 dsa_ext_hfilt_en;
+ u32 dsa_di_en;
+ u32 dsa_di_top_ref;
+ u32 dsa_vertf_disable;
+ u32 dsa_disable_pwb;
+ u32 dsa_hor_phase;
+ u32 dsa_ver_phase;
+ u32 dsa_iac_enable;
+ u32 iac_sc_threshold;
+ u32 iac_vm_threshold;
+ u32 iac_skip_mode;
+ u32 iac_grp_width;
+ u32 iac_grp_height;
+ u32 rate_control_mode;
+ u32 rate_control_resolution;
+ u32 buffer_size;
+ u32 buffer_level_init;
+ u32 buffer_I_bit_budget;
+ u32 top_field_first;
+ u32 intra_lum_qoffset;
+ u32 intra_chr_qoffset;
+ u32 inter_lum_qoffset;
+ u32 inter_chr_qoffset;
+ u32 use_def_scaling_mtx;
+ u32 inter_8x8_enab;
+ u32 inter_4x4_enab;
+ u32 fme_enable_qpel;
+ u32 fme_enable_hpel;
+ u32 fme_nozeromv;
+ u32 fme_predmv_en;
+ u32 fme_pred_2mv4mv;
+ u32 fme_smallsadthresh;
+ u32 ame_en_lmvc;
+ u32 ame_x_mult;
+ u32 cme_enable_4mv;
+ u32 cme_enable_1mv;
+ u32 hme_enable_16x8mv;
+ u32 hme_enable_8x16mv;
+ u32 cme_mv_weight;
+ u32 cme_mv_cost;
+ u32 ame_mult_mv;
+ u32 ame_shift_mv;
+ u32 hme_forceto1mv_en;
+ u32 hme_2mv_cost;
+ u32 hme_pred_mode;
+ u32 hme_sc_rnge;
+ u32 hme_sw_rnge;
+ u32 output_format;
+ u32 timestamp_enab;
+ u32 initial_pts_enab;
+ u32 initial_pts;
+};
+
+struct vpu_enc_static_params {
+ u32 param_change;
+ u32 gop_length;
+ u32 rate_control_bitrate;
+ u32 rate_control_bitrate_min;
+ u32 rate_control_bitrate_max;
+ u32 rate_control_content_models;
+ u32 rate_control_iframe_maxsize;
+ u32 rate_control_qp_init;
+ u32 rate_control_islice_qp;
+ u32 rate_control_pslice_qp;
+ u32 rate_control_bslice_qp;
+ u32 adaptive_quantization;
+ u32 aq_variance;
+ u32 cost_optimization;
+ u32 fdlp_mode;
+ u32 enable_isegbframes;
+ u32 enable_adaptive_keyratio;
+ u32 keyratio_imin;
+ u32 keyratio_imax;
+ u32 keyratio_pmin;
+ u32 keyratio_pmax;
+ u32 keyratio_bmin;
+ u32 keyratio_bmax;
+ s32 keyratio_istep;
+ s32 keyratio_pstep;
+ s32 keyratio_bstep;
+ u32 enable_paff;
+ u32 enable_b_frame_ref;
+ u32 enable_adaptive_gop;
+ u32 enable_closed_gop;
+ u32 open_gop_refresh_freq;
+ u32 enable_adaptive_sc;
+ u32 enable_fade_detection;
+ s32 fade_detection_threshold;
+ u32 enable_repeat_b;
+ u32 enable_low_delay_b;
+};
+
+struct vpu_enc_dynamic_params {
+ u32 param_change;
+ u32 rows_per_slice;
+ u32 mbaff_enable;
+ u32 dbf_enable;
+ u32 field_source;
+ u32 gop_b_length;
+ u32 mb_group_size;
+ u32 cbr_rows_per_group;
+ u32 skip_enable;
+ u32 pts_bits_0_to_31;
+ u32 pts_bit_32;
+ u32 rm_expsv_cff;
+ u32 const_ipred;
+ s32 chr_qp_offset;
+ u32 intra_mb_qp_offset;
+ u32 h264_cabac_init_method;
+ u32 h264_cabac_init_idc;
+ u32 h264_cabac_enable;
+ s32 alpha_c0_offset_div2;
+ s32 beta_offset_div2;
+ u32 intra_prefresh_y0;
+ u32 intra_prefresh_y1;
+ u32 dbg_dump_rec_src;
+};
+
+struct vpu_enc_expert_mode_param {
+ struct vpu_enc_calib_params calib_param;
+ struct vpu_enc_config_params config_param;
+ struct vpu_enc_static_params static_param;
+ struct vpu_enc_dynamic_params dynamic_param;
+};
+
+enum MEDIAIP_ENC_FMT {
+ MEDIAIP_ENC_FMT_H264 = 0,
+ MEDIAIP_ENC_FMT_VC1,
+ MEDIAIP_ENC_FMT_MPEG2,
+ MEDIAIP_ENC_FMT_MPEG4SP,
+ MEDIAIP_ENC_FMT_H263,
+ MEDIAIP_ENC_FMT_MPEG1,
+ MEDIAIP_ENC_FMT_SHORT_HEADER,
+ MEDIAIP_ENC_FMT_NULL
+};
+
+enum MEDIAIP_ENC_PROFILE {
+ MEDIAIP_ENC_PROF_MPEG2_SP = 0,
+ MEDIAIP_ENC_PROF_MPEG2_MP,
+ MEDIAIP_ENC_PROF_MPEG2_HP,
+ MEDIAIP_ENC_PROF_H264_BP,
+ MEDIAIP_ENC_PROF_H264_MP,
+ MEDIAIP_ENC_PROF_H264_HP,
+ MEDIAIP_ENC_PROF_MPEG4_SP,
+ MEDIAIP_ENC_PROF_MPEG4_ASP,
+ MEDIAIP_ENC_PROF_VC1_SP,
+ MEDIAIP_ENC_PROF_VC1_MP,
+ MEDIAIP_ENC_PROF_VC1_AP
+};
+
+enum MEDIAIP_ENC_BITRATE_MODE {
+ MEDIAIP_ENC_BITRATE_MODE_VBR = 0x00000001,
+ MEDIAIP_ENC_BITRATE_MODE_CBR = 0x00000002,
+ MEDIAIP_ENC_BITRATE_MODE_CONSTANT_QP = 0x00000004
+};
+
+struct vpu_enc_memory_resource {
+ u32 phys;
+ u32 virt;
+ u32 size;
+};
+
+struct vpu_enc_param {
+ enum MEDIAIP_ENC_FMT codec_mode;
+ enum MEDIAIP_ENC_PROFILE profile;
+ u32 level;
+
+ struct vpu_enc_memory_resource enc_mem_desc;
+
+ u32 frame_rate;
+ u32 src_stride;
+ u32 src_width;
+ u32 src_height;
+ u32 src_offset_x;
+ u32 src_offset_y;
+ u32 src_crop_width;
+ u32 src_crop_height;
+ u32 out_width;
+ u32 out_height;
+ u32 iframe_interval;
+ u32 bframes;
+ u32 low_latency_mode;
+
+ enum MEDIAIP_ENC_BITRATE_MODE bitrate_mode;
+ u32 target_bitrate;
+ u32 max_bitrate;
+ u32 min_bitrate;
+ u32 init_slice_qp;
+};
+
+struct vpu_enc_mem_pool {
+ struct vpu_enc_memory_resource enc_frames[WINDSOR_MAX_SRC_FRAMES];
+ struct vpu_enc_memory_resource ref_frames[WINDSOR_MAX_REF_FRAMES];
+ struct vpu_enc_memory_resource act_frame;
+};
+
+struct vpu_enc_encoding_status {
+ u32 frame_id;
+ u32 error_flag; //Error type
+ u32 mb_y;
+ u32 mb_x;
+ u32 reserved[12];
+
+};
+
+struct vpu_enc_dsa_status {
+ u32 frame_id;
+ u32 dsa_cyle;
+ u32 mb_y;
+ u32 mb_x;
+ u32 reserved[4];
+};
+
+struct vpu_enc_ctrl {
+ struct vpu_enc_yuv_desc *yuv_desc;
+ struct vpu_rpc_buffer_desc *stream_desc;
+ struct vpu_enc_expert_mode_param *expert;
+ struct vpu_enc_param *param;
+ struct vpu_enc_mem_pool *pool;
+ struct vpu_enc_encoding_status *status;
+ struct vpu_enc_dsa_status *dsa;
+};
+
+struct vpu_enc_host_ctrls {
+ struct vpu_enc_ctrl ctrls[VID_API_NUM_STREAMS];
+};
+
+struct windsor_pic_info {
+ u32 frame_id;
+ u32 pic_encod_done;
+ u32 pic_type;
+ u32 skipped_frame;
+ u32 error_flag;
+ u32 psnr;
+ u32 flush_done;
+ u32 mb_y;
+ u32 mb_x;
+ u32 frame_size;
+ u32 frame_enc_ttl_cycles;
+ u32 frame_enc_ttl_frm_cycles;
+ u32 frame_enc_ttl_slc_cycles;
+ u32 frame_enc_ttl_enc_cycles;
+ u32 frame_enc_ttl_hme_cycles;
+ u32 frame_enc_ttl_dsa_cycles;
+ u32 frame_enc_fw_cycles;
+ u32 frame_crc;
+ u32 num_interrupts_1;
+ u32 num_interrupts_2;
+ u32 poc;
+ u32 ref_info;
+ u32 pic_num;
+ u32 pic_activity;
+ u32 scene_change;
+ u32 mb_stats;
+ u32 enc_cache_count0;
+ u32 enc_cache_count1;
+ u32 mtl_wr_strb_cnt;
+ u32 mtl_rd_strb_cnt;
+ u32 str_buff_wptr;
+ u32 diagnosticEvents;
+ u32 proc_iacc_tot_rd_cnt;
+ u32 proc_dacc_tot_rd_cnt;
+ u32 proc_dacc_tot_wr_cnt;
+ u32 proc_dacc_reg_rd_cnt;
+ u32 proc_dacc_reg_wr_cnt;
+ u32 proc_dacc_rng_rd_cnt;
+ u32 proc_dacc_rng_wr_cnt;
+ s32 tv_s;
+ u32 tv_ns;
+};
+
+u32 vpu_windsor_get_data_size(void)
+{
+ return sizeof(struct vpu_enc_host_ctrls);
+}
+
+static struct vpu_enc_yuv_desc *get_yuv_desc(struct vpu_shared_addr *shared,
+ u32 instance)
+{
+ struct vpu_enc_host_ctrls *hcs = shared->priv;
+
+ return hcs->ctrls[instance].yuv_desc;
+}
+
+static struct vpu_enc_mem_pool *get_mem_pool(struct vpu_shared_addr *shared,
+ u32 instance)
+{
+ struct vpu_enc_host_ctrls *hcs = shared->priv;
+
+ return hcs->ctrls[instance].pool;
+}
+
+static struct vpu_rpc_buffer_desc *get_stream_buf_desc(struct vpu_shared_addr *shared,
+ u32 instance)
+{
+ struct vpu_enc_host_ctrls *hcs = shared->priv;
+
+ return hcs->ctrls[instance].stream_desc;
+}
+
+static struct vpu_enc_expert_mode_param *get_expert_param(struct vpu_shared_addr *shared,
+ u32 instance)
+{
+ struct vpu_enc_host_ctrls *hcs = shared->priv;
+
+ return hcs->ctrls[instance].expert;
+}
+
+static struct vpu_enc_param *get_enc_param(struct vpu_shared_addr *shared,
+ u32 instance)
+{
+ struct vpu_enc_host_ctrls *hcs = shared->priv;
+
+ return hcs->ctrls[instance].param;
+}
+
+static u32 get_ptr(u32 ptr)
+{
+ return (ptr | 0x80000000);
+}
+
+void vpu_windsor_init_rpc(struct vpu_shared_addr *shared,
+ struct vpu_buffer *rpc, dma_addr_t boot_addr)
+{
+ unsigned long base_phy_addr;
+ unsigned long phy_addr;
+ unsigned long offset;
+ struct windsor_iface *iface;
+ struct windsor_ctrl_iface *ctrl;
+ struct vpu_enc_host_ctrls *hcs;
+ unsigned int i;
+
+ WARN_ON(!shared || !shared->priv);
+ WARN_ON(!rpc || !rpc->phys || !rpc->length || rpc->phys < boot_addr);
+
+ base_phy_addr = rpc->phys - boot_addr;
+ iface = rpc->virt;
+ shared->iface = iface;
+ shared->boot_addr = boot_addr;
+ hcs = shared->priv;
+
+ iface->exec_base_addr = base_phy_addr;
+ iface->exec_area_size = rpc->length;
+
+ offset = sizeof(struct windsor_iface);
+ phy_addr = base_phy_addr + offset;
+ shared->cmd_desc = &iface->cmd_buffer_desc;
+ shared->cmd_mem_vir = rpc->virt + offset;
+ iface->cmd_buffer_desc.start =
+ iface->cmd_buffer_desc.rptr =
+ iface->cmd_buffer_desc.wptr = phy_addr;
+ iface->cmd_buffer_desc.end = iface->cmd_buffer_desc.start + CMD_SIZE;
+
+ offset += CMD_SIZE;
+ phy_addr = base_phy_addr + offset;
+ shared->msg_desc = &iface->msg_buffer_desc;
+ shared->msg_mem_vir = rpc->virt + offset;
+ iface->msg_buffer_desc.start =
+ iface->msg_buffer_desc.wptr =
+ iface->msg_buffer_desc.rptr = phy_addr;
+ iface->msg_buffer_desc.end = iface->msg_buffer_desc.start + MSG_SIZE;
+
+ offset += MSG_SIZE;
+ for (i = 0; i < ARRAY_SIZE(iface->ctrl_iface); i++) {
+ iface->ctrl_iface[i] = base_phy_addr + offset;
+ offset += sizeof(struct windsor_ctrl_iface);
+ }
+ for (i = 0; i < ARRAY_SIZE(iface->ctrl_iface); i++) {
+ ctrl = rpc->virt + (iface->ctrl_iface[i] - base_phy_addr);
+
+ ctrl->enc_yuv_buffer_desc = base_phy_addr + offset;
+ hcs->ctrls[i].yuv_desc = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_yuv_desc);
+
+ ctrl->enc_stream_buffer_desc = base_phy_addr + offset;
+ hcs->ctrls[i].stream_desc = rpc->virt + offset;
+ offset += sizeof(struct vpu_rpc_buffer_desc);
+
+ ctrl->enc_expert_mode_param = base_phy_addr + offset;
+ hcs->ctrls[i].expert = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_expert_mode_param);
+
+ ctrl->enc_param = base_phy_addr + offset;
+ hcs->ctrls[i].param = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_param);
+
+ ctrl->enc_mem_pool = base_phy_addr + offset;
+ hcs->ctrls[i].pool = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_mem_pool);
+
+ ctrl->enc_encoding_status = base_phy_addr + offset;
+ hcs->ctrls[i].status = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_encoding_status);
+
+ ctrl->enc_dsa_status = base_phy_addr + offset;
+ hcs->ctrls[i].dsa = rpc->virt + offset;
+ offset += sizeof(struct vpu_enc_dsa_status);
+ }
+
+ rpc->bytesused = offset;
+}
+
+void vpu_windsor_set_log_buf(struct vpu_shared_addr *shared,
+ struct vpu_buffer *log)
+{
+ struct windsor_iface *iface;
+
+ WARN_ON(!shared || !log || !log->phys);
+
+ iface = shared->iface;
+ iface->log_buffer_desc.start =
+ iface->log_buffer_desc.wptr =
+ iface->log_buffer_desc.rptr = log->phys - shared->boot_addr;
+ iface->log_buffer_desc.end = iface->log_buffer_desc.start + log->length;
+}
+
+void vpu_windsor_set_system_cfg(struct vpu_shared_addr *shared,
+ u32 regs_base, void __iomem *regs, u32 core_id)
+{
+ struct windsor_iface *iface;
+ struct vpu_rpc_system_config *config;
+
+ WARN_ON(!shared || !shared->iface);
+
+ iface = shared->iface;
+ config = &iface->system_config;
+
+ vpu_imx8q_set_system_cfg_common(config, regs_base, core_id);
+}
+
+int vpu_windsor_get_stream_buffer_size(struct vpu_shared_addr *shared)
+{
+ return 0x300000;
+}
+
+static struct vpu_pair windsor_cmds[] = {
+ {VPU_CMD_ID_CONFIGURE_CODEC, GTB_ENC_CMD_CONFIGURE_CODEC},
+ {VPU_CMD_ID_START, GTB_ENC_CMD_STREAM_START},
+ {VPU_CMD_ID_STOP, GTB_ENC_CMD_STREAM_STOP},
+ {VPU_CMD_ID_FRAME_ENCODE, GTB_ENC_CMD_FRAME_ENCODE},
+ {VPU_CMD_ID_SNAPSHOT, GTB_ENC_CMD_SNAPSHOT},
+ {VPU_CMD_ID_FIRM_RESET, GTB_ENC_CMD_FIRM_RESET},
+ {VPU_CMD_ID_UPDATE_PARAMETER, GTB_ENC_CMD_PARAMETER_UPD},
+ {VPU_CMD_ID_DEBUG, GTB_ENC_CMD_FW_STATUS}
+};
+
+static struct vpu_pair windsor_msgs[] = {
+ {VPU_MSG_ID_RESET_DONE, VID_API_ENC_EVENT_RESET_DONE},
+ {VPU_MSG_ID_START_DONE, VID_API_ENC_EVENT_START_DONE},
+ {VPU_MSG_ID_STOP_DONE, VID_API_ENC_EVENT_STOP_DONE},
+ {VPU_MSG_ID_FRAME_INPUT_DONE, VID_API_ENC_EVENT_FRAME_INPUT_DONE},
+ {VPU_MSG_ID_ENC_DONE, VID_API_ENC_EVENT_FRAME_DONE},
+ {VPU_MSG_ID_FRAME_RELEASE, VID_API_ENC_EVENT_FRAME_RELEASE},
+ {VPU_MSG_ID_MEM_REQUEST, VID_API_ENC_EVENT_MEM_REQUEST},
+ {VPU_MSG_ID_PARAM_UPD_DONE, VID_API_ENC_EVENT_PARA_UPD_DONE},
+ {VPU_MSG_ID_FIRMWARE_XCPT, VID_API_ENC_EVENT_FIRMWARE_XCPT},
+};
+
+int vpu_windsor_pack_cmd(struct vpu_rpc_event *pkt, u32 index, u32 id, void *data)
+{
+ int ret;
+ s64 timestamp;
+
+ WARN_ON(!pkt);
+
+ ret = vpu_find_dst_by_src(windsor_cmds, ARRAY_SIZE(windsor_cmds), id);
+ if (ret < 0)
+ return ret;
+ pkt->hdr.id = ret;
+ pkt->hdr.num = 0;
+ pkt->hdr.index = index;
+ if (id == VPU_CMD_ID_FRAME_ENCODE) {
+ pkt->hdr.num = 2;
+ timestamp = *(s64 *)data;
+ if (timestamp < 0) {
+ pkt->data[0] = (u32)-1;
+ pkt->data[1] = 0;
+ } else {
+ pkt->data[0] = timestamp / NSEC_PER_SEC;
+ pkt->data[1] = timestamp % NSEC_PER_SEC;
+ }
+ }
+
+ return 0;
+}
+
+int vpu_windsor_convert_msg_id(u32 id)
+{
+ return vpu_find_src_by_dst(windsor_msgs, ARRAY_SIZE(windsor_msgs), id);
+}
+
+static void vpu_windsor_unpack_pic_info(struct vpu_rpc_event *pkt, void *data)
+{
+ struct vpu_enc_pic_info *info = data;
+ struct windsor_pic_info *windsor = (struct windsor_pic_info *)pkt->data;
+
+ info->frame_id = windsor->frame_id;
+ switch (windsor->pic_type) {
+ case MEDIAIP_ENC_PIC_TYPE_I_FRAME:
+ case MEDIAIP_ENC_PIC_TYPE_IDR_FRAME:
+ info->pic_type = V4L2_BUF_FLAG_KEYFRAME;
+ break;
+ case MEDIAIP_ENC_PIC_TYPE_P_FRAME:
+ info->pic_type = V4L2_BUF_FLAG_PFRAME;
+ break;
+ case MEDIAIP_ENC_PIC_TYPE_B_FRAME:
+ info->pic_type = V4L2_BUF_FLAG_BFRAME;
+ break;
+ default:
+ break;
+ }
+ info->skipped_frame = windsor->skipped_frame;
+ info->error_flag = windsor->error_flag;
+ info->psnr = windsor->psnr;
+ info->frame_size = windsor->frame_size;
+ info->wptr = get_ptr(windsor->str_buff_wptr);
+ info->crc = windsor->frame_crc;
+ info->timestamp = MAKE_TIMESTAMP(windsor->tv_s, windsor->tv_ns);
+}
+
+static void vpu_windsor_unpack_mem_req(struct vpu_rpc_event *pkt, void *data)
+{
+ struct vpu_pkt_mem_req_data *req_data = data;
+
+ req_data->enc_frame_size = pkt->data[0];
+ req_data->enc_frame_num = pkt->data[1];
+ req_data->ref_frame_size = pkt->data[2];
+ req_data->ref_frame_num = pkt->data[3];
+ req_data->act_buf_size = pkt->data[4];
+ req_data->act_buf_num = 1;
+}
+
+int vpu_windsor_unpack_msg_data(struct vpu_rpc_event *pkt, void *data)
+{
+ if (!pkt || !data)
+ return -EINVAL;
+
+ switch (pkt->hdr.id) {
+ case VID_API_ENC_EVENT_FRAME_DONE:
+ vpu_windsor_unpack_pic_info(pkt, data);
+ break;
+ case VID_API_ENC_EVENT_MEM_REQUEST:
+ vpu_windsor_unpack_mem_req(pkt, data);
+ break;
+ case VID_API_ENC_EVENT_FRAME_RELEASE:
+ *(u32 *)data = pkt->data[0];
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int vpu_windsor_fill_yuv_frame(struct vpu_shared_addr *shared,
+ u32 instance,
+ struct vb2_buffer *vb)
+{
+ struct vpu_enc_yuv_desc *desc;
+ struct vb2_v4l2_buffer *vbuf;
+
+ WARN_ON(!shared || !vb || instance >= VID_API_NUM_STREAMS);
+
+ desc = get_yuv_desc(shared, instance);
+
+ vbuf = to_vb2_v4l2_buffer(vb);
+ desc->frame_id = vbuf->sequence;
+ if (vbuf->flags & V4L2_BUF_FLAG_KEYFRAME)
+ desc->key_frame = 1;
+ else
+ desc->key_frame = 0;
+ desc->luma_base = vpu_get_vb_phy_addr(vb, 0);
+ desc->chroma_base = vpu_get_vb_phy_addr(vb, 1);
+
+ return 0;
+}
+
+int vpu_windsor_input_frame(struct vpu_shared_addr *shared,
+ struct vpu_inst *inst, struct vb2_buffer *vb)
+{
+ vpu_windsor_fill_yuv_frame(shared, inst->id, vb);
+ return vpu_session_encode_frame(inst, vb->timestamp);
+}
+
+int vpu_windsor_config_memory_resource(struct vpu_shared_addr *shared,
+ u32 instance,
+ u32 type,
+ u32 index,
+ struct vpu_buffer *buf)
+{
+ struct vpu_enc_mem_pool *pool;
+ struct vpu_enc_memory_resource *res;
+
+ WARN_ON(!shared || !buf || instance >= VID_API_NUM_STREAMS);
+
+ pool = get_mem_pool(shared, instance);
+
+ switch (type) {
+ case MEM_RES_ENC:
+ res = &pool->enc_frames[index];
+ break;
+ case MEM_RES_REF:
+ res = &pool->ref_frames[index];
+ break;
+ case MEM_RES_ACT:
+ res = &pool->act_frame;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ res->phys = buf->phys;
+ res->virt = buf->phys - shared->boot_addr;
+ res->size = buf->length;
+
+ return 0;
+}
+
+int vpu_windsor_config_stream_buffer(struct vpu_shared_addr *shared,
+ u32 instance,
+ struct vpu_buffer *buf)
+{
+ struct vpu_rpc_buffer_desc *desc;
+ struct vpu_enc_expert_mode_param *expert;
+
+ desc = get_stream_buf_desc(shared, instance);
+ expert = get_expert_param(shared, instance);
+
+ desc->start = desc->wptr = desc->rptr = buf->phys;
+ desc->end = buf->phys + buf->length;
+
+ expert->calib_param.mem_chunk_phys_addr = 0;
+ expert->calib_param.mem_chunk_virt_addr = 0;
+ expert->calib_param.mem_chunk_size = 0;
+ expert->calib_param.cb_base = buf->phys;
+ expert->calib_param.cb_size = buf->length;
+
+ return 0;
+}
+
+static void vpu_windsor_update_wptr(struct vpu_rpc_buffer_desc *desc, u32 wptr)
+{
+ u32 pre_wptr = get_ptr(desc->wptr);
+ u32 new_wptr = get_ptr(wptr);
+ u32 rptr = get_ptr(desc->rptr);
+ u32 size = get_ptr(desc->end) - get_ptr(desc->start);
+ u32 space = (rptr + size - pre_wptr) % size;
+ u32 step = (new_wptr + size - pre_wptr) % size;
+
+ if (space && step > space)
+ pr_err("update wptr from 0x%x to 0x%x, cross over rptr 0x%x\n",
+ pre_wptr, new_wptr, rptr);
+
+ desc->wptr = wptr;
+}
+
+static void vpu_windsor_update_rptr(struct vpu_rpc_buffer_desc *desc, u32 rptr)
+{
+ u32 pre_rptr = get_ptr(desc->rptr);
+ u32 new_rptr = get_ptr(rptr);
+ u32 wptr = get_ptr(desc->wptr);
+ u32 size = get_ptr(desc->end) - get_ptr(desc->start);
+ u32 space = (wptr + size - pre_rptr) % size;
+ u32 step = (new_rptr + size - pre_rptr) % size;
+
+ if (step > space)
+ pr_err("update rptr from 0x%x to 0x%x, cross over wptr 0x%x\n",
+ pre_rptr, new_rptr, wptr);
+
+ desc->rptr = rptr;
+}
+
+int vpu_windsor_update_stream_buffer(struct vpu_shared_addr *shared,
+ u32 instance, u32 ptr, bool write)
+{
+ struct vpu_rpc_buffer_desc *desc;
+
+ desc = get_stream_buf_desc(shared, instance);
+
+ /*update wptr/rptr after data is written or read*/
+ mb();
+ if (write)
+ vpu_windsor_update_wptr(desc, ptr);
+ else
+ vpu_windsor_update_rptr(desc, ptr);
+
+ return 0;
+}
+
+int vpu_windsor_get_stream_buffer_desc(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_rpc_buffer_desc *desc)
+{
+ struct vpu_rpc_buffer_desc *rpc_desc;
+
+ rpc_desc = get_stream_buf_desc(shared, instance);
+ if (desc) {
+ desc->wptr = get_ptr(rpc_desc->wptr);
+ desc->rptr = get_ptr(rpc_desc->rptr);
+ desc->start = get_ptr(rpc_desc->start);
+ desc->end = get_ptr(rpc_desc->end);
+ }
+
+ return 0;
+}
+
+u32 vpu_windsor_get_version(struct vpu_shared_addr *shared)
+{
+ struct windsor_iface *iface;
+
+ WARN_ON(!shared || !shared->iface);
+
+ iface = shared->iface;
+ return iface->fw_version;
+}
+
+static int vpu_windsor_set_frame_rate(struct vpu_enc_expert_mode_param *expert,
+ struct vpu_encode_params *params)
+{
+ expert->config_param.frame_rate_num = params->frame_rate.numerator;
+ expert->config_param.frame_rate_den = params->frame_rate.denominator;
+
+ return 0;
+}
+
+static int vpu_windsor_set_format(struct vpu_enc_param *param, u32 pixelformat)
+{
+ switch (pixelformat) {
+ case V4L2_PIX_FMT_H264:
+ param->codec_mode = MEDIAIP_ENC_FMT_H264;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int vpu_windsor_set_profile(struct vpu_enc_param *param, u32 profile)
+{
+ switch (profile) {
+ case V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE:
+ param->profile = MEDIAIP_ENC_PROF_H264_BP;
+ break;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_MAIN:
+ param->profile = MEDIAIP_ENC_PROF_H264_MP;
+ break;
+ case V4L2_MPEG_VIDEO_H264_PROFILE_HIGH:
+ param->profile = MEDIAIP_ENC_PROF_H264_HP;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const u32 h264_level[] = {
+ [V4L2_MPEG_VIDEO_H264_LEVEL_1_0] = 10,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_1B] = 14,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_1_1] = 11,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_1_2] = 12,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_1_3] = 13,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_2_0] = 20,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_2_1] = 21,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_2_2] = 22,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_3_0] = 30,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_3_1] = 31,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_3_2] = 32,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_4_0] = 40,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_4_1] = 41,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_4_2] = 42,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_5_0] = 50,
+ [V4L2_MPEG_VIDEO_H264_LEVEL_5_1] = 51
+};
+
+static int vpu_windsor_set_level(struct vpu_enc_param *param, u32 level)
+{
+
+ if (level >= ARRAY_SIZE(h264_level))
+ return -EINVAL;
+
+ param->level = h264_level[level];
+
+ return 0;
+}
+
+static int vpu_windsor_set_size(struct vpu_enc_param *windsor,
+ struct vpu_encode_params *params)
+{
+ windsor->src_stride = params->src_stride;
+ windsor->src_width = params->src_width;
+ windsor->src_height = params->src_height;
+ windsor->src_offset_x = params->crop.left;
+ windsor->src_offset_y = params->crop.top;
+ windsor->src_crop_width = params->crop.width;
+ windsor->src_crop_height = params->crop.height;
+ windsor->out_width = params->out_width;
+ windsor->out_height = params->out_height;
+
+ return 0;
+}
+
+static int vpu_windsor_set_gop(struct vpu_enc_param *param, u32 gop)
+{
+ param->iframe_interval = gop;
+
+ return 0;
+}
+
+static int vpu_windsor_set_bframes(struct vpu_enc_param *param, u32 bframes)
+{
+ if (bframes) {
+ param->low_latency_mode = 0;
+ param->bframes = bframes;
+ } else {
+ param->low_latency_mode = 1;
+ param->bframes = 0;
+ }
+
+ return 0;
+}
+
+static int vpu_windsor_set_bitrate_mode(struct vpu_enc_param *param, u32 mode)
+{
+ switch (mode) {
+ case V4L2_MPEG_VIDEO_BITRATE_MODE_VBR:
+ param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CONSTANT_QP;
+ break;
+ case V4L2_MPEG_VIDEO_BITRATE_MODE_CBR:
+ param->bitrate_mode = MEDIAIP_ENC_BITRATE_MODE_CBR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static u32 vpu_windsor_bitrate(u32 bitrate)
+{
+ return DIV_ROUND_CLOSEST(bitrate, WINDSOR_BITRATE_UNIT);
+}
+
+static int vpu_windsor_set_bitrate(struct vpu_enc_param *windsor,
+ struct vpu_encode_params *params)
+{
+ windsor->target_bitrate = vpu_windsor_bitrate(params->bitrate);
+ windsor->min_bitrate = vpu_windsor_bitrate(params->bitrate_min);
+ windsor->max_bitrate = vpu_windsor_bitrate(params->bitrate_max);
+
+ return 0;
+}
+
+static int vpu_windsor_set_qp(struct vpu_enc_expert_mode_param *expert,
+ struct vpu_encode_params *params)
+{
+ expert->static_param.rate_control_islice_qp = params->i_frame_qp;
+ expert->static_param.rate_control_pslice_qp = params->p_frame_qp;
+ expert->static_param.rate_control_bslice_qp = params->b_frame_qp;
+
+ return 0;
+}
+
+static int vpu_windsor_set_sar(struct vpu_enc_expert_mode_param *expert,
+ struct vpu_encode_params *params)
+{
+ expert->config_param.h264_aspect_ratio_present = params->sar.enable;
+ if (params->sar.idc == V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED)
+ expert->config_param.aspect_ratio = WINDSOR_H264_EXTENDED_SAR;
+ else
+ expert->config_param.aspect_ratio = params->sar.idc;
+ expert->config_param.h264_aspect_ratio_sar_width = params->sar.width;
+ expert->config_param.h264_aspect_ratio_sar_height = params->sar.height;
+
+
+ return 0;
+}
+
+static int vpu_windsor_set_color(struct vpu_enc_expert_mode_param *expert,
+ struct vpu_encode_params *params)
+{
+ expert->config_param.h264_video_type_present = 1;
+ expert->config_param.h264_video_format = 5;
+ expert->config_param.h264_video_colour_descriptor = 1;
+ expert->config_param.h264_video_colour_primaries =
+ vpu_color_cvrt_primaries_v2i(params->color.primaries);
+ expert->config_param.h264_video_transfer_char =
+ vpu_color_cvrt_transfers_v2i(params->color.transfer);
+ expert->config_param.h264_video_matrix_coeff =
+ vpu_color_cvrt_matrix_v2i(params->color.matrix);
+ expert->config_param.h264_video_full_range =
+ vpu_color_cvrt_full_range_v2i(params->color.full_range);
+ return 0;
+}
+
+static int vpu_windsor_update_bitrate(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_encode_params *params)
+{
+ struct vpu_enc_param *windsor;
+ struct vpu_enc_expert_mode_param *expert;
+
+ windsor = get_enc_param(shared, instance);
+ expert = get_expert_param(shared, instance);
+
+ if (windsor->bitrate_mode != MEDIAIP_ENC_BITRATE_MODE_CBR)
+ return 0;
+ if (params->rc_mode != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
+ return 0;
+ if (vpu_windsor_bitrate(params->bitrate) == windsor->target_bitrate)
+ return 0;
+
+ vpu_windsor_set_bitrate(windsor, params);
+ expert->static_param.rate_control_bitrate = windsor->target_bitrate;
+ expert->static_param.rate_control_bitrate_min = windsor->min_bitrate;
+ expert->static_param.rate_control_bitrate_max = windsor->max_bitrate;
+
+ return 0;
+}
+
+static int vpu_windsor_set_params(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_encode_params *params)
+{
+ struct vpu_enc_param *windsor;
+ int ret;
+
+ windsor = get_enc_param(shared, instance);
+
+ if (params->input_format != V4L2_PIX_FMT_NV12 &&
+ params->input_format != V4L2_PIX_FMT_NV12M)
+ return -EINVAL;
+
+ ret = vpu_windsor_set_format(windsor, params->codec_format);
+ if (ret)
+ return ret;
+ vpu_windsor_set_profile(windsor, params->profile);
+ vpu_windsor_set_level(windsor, params->level);
+ vpu_windsor_set_size(windsor, params);
+ vpu_windsor_set_gop(windsor, params->gop_length);
+ vpu_windsor_set_bframes(windsor, params->bframes);
+ vpu_windsor_set_bitrate_mode(windsor, params->rc_mode);
+ vpu_windsor_set_bitrate(windsor, params);
+ windsor->init_slice_qp = params->i_frame_qp;
+
+ if (!params->frame_rate.numerator)
+ return -EINVAL;
+ windsor->frame_rate = params->frame_rate.denominator / params->frame_rate.numerator;
+
+ return 0;
+}
+
+static int vpu_windsor_update_params(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_encode_params *params)
+{
+ struct vpu_enc_expert_mode_param *expert;
+
+ expert = get_expert_param(shared, instance);
+
+ vpu_windsor_set_frame_rate(expert, params);
+ vpu_windsor_set_qp(expert, params);
+ vpu_windsor_set_sar(expert, params);
+ vpu_windsor_set_color(expert, params);
+ vpu_windsor_update_bitrate(shared, instance, params);
+ /*expert->config_param.iac_sc_threshold = 0;*/
+
+ return 0;
+}
+
+int vpu_windsor_set_encode_params(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_encode_params *params, u32 update)
+{
+ if (!params)
+ return -EINVAL;
+
+ if (!update)
+ return vpu_windsor_set_params(shared, instance, params);
+ else
+ return vpu_windsor_update_params(shared, instance, params);
+}
+
+u32 vpu_windsor_get_max_instance_count(struct vpu_shared_addr *shared)
+{
+ struct windsor_iface *iface;
+
+ WARN_ON(!shared || !shared->iface);
+
+ iface = shared->iface;
+
+ return iface->max_streams;
+}
diff --git a/drivers/media/platform/amphion/vpu_windsor.h b/drivers/media/platform/amphion/vpu_windsor.h
new file mode 100644
index 000000000000..ba2b12249b76
--- /dev/null
+++ b/drivers/media/platform/amphion/vpu_windsor.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2020-2021 NXP
+ */
+
+#ifndef _AMPHION_VPU_WINDSOR_H
+#define _AMPHION_VPU_WINDSOR_H
+
+u32 vpu_windsor_get_data_size(void);
+void vpu_windsor_init_rpc(struct vpu_shared_addr *shared,
+ struct vpu_buffer *rpc, dma_addr_t boot_addr);
+void vpu_windsor_set_log_buf(struct vpu_shared_addr *shared,
+ struct vpu_buffer *log);
+void vpu_windsor_set_system_cfg(struct vpu_shared_addr *shared,
+ u32 regs_base, void __iomem *regs, u32 core_id);
+int vpu_windsor_get_stream_buffer_size(struct vpu_shared_addr *shared);
+int vpu_windsor_pack_cmd(struct vpu_rpc_event *pkt,
+ u32 index, u32 id, void *data);
+int vpu_windsor_convert_msg_id(u32 msg_id);
+int vpu_windsor_unpack_msg_data(struct vpu_rpc_event *pkt, void *data);
+int vpu_windsor_config_memory_resource(struct vpu_shared_addr *shared,
+ u32 instance, u32 type, u32 index,
+ struct vpu_buffer *buf);
+int vpu_windsor_config_stream_buffer(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_buffer *buf);
+int vpu_windsor_update_stream_buffer(struct vpu_shared_addr *shared,
+ u32 instance, u32 ptr, bool write);
+int vpu_windsor_get_stream_buffer_desc(struct vpu_shared_addr *shared,
+ u32 instance, struct vpu_rpc_buffer_desc *desc);
+u32 vpu_windsor_get_version(struct vpu_shared_addr *shared);
+int vpu_windsor_set_encode_params(struct vpu_shared_addr *shared,
+ u32 instance,
+ struct vpu_encode_params *params,
+ u32 update);
+int vpu_windsor_input_frame(struct vpu_shared_addr *shared,
+ struct vpu_inst *inst, struct vb2_buffer *vb);
+u32 vpu_windsor_get_max_instance_count(struct vpu_shared_addr *shared);
+
+#endif
--
2.33.0
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