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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Hantro VPU codec driver
*
* Copyright 2018 Google LLC.
* Tomasz Figa <tfiga@chromium.org>
*/
#ifndef HANTRO_HW_H_
#define HANTRO_HW_H_
#include <linux/interrupt.h>
#include <linux/v4l2-controls.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-vp9.h>
#include <media/videobuf2-core.h>
#define DEC_8190_ALIGN_MASK 0x07U
#define MB_DIM 16
#define TILE_MB_DIM 4
#define MB_WIDTH(w) DIV_ROUND_UP(w, MB_DIM)
#define MB_HEIGHT(h) DIV_ROUND_UP(h, MB_DIM)
#define FMT_MIN_WIDTH 48
#define FMT_MIN_HEIGHT 48
#define FMT_HD_WIDTH 1280
#define FMT_HD_HEIGHT 720
#define FMT_FHD_WIDTH 1920
#define FMT_FHD_HEIGHT 1088
#define FMT_UHD_WIDTH 3840
#define FMT_UHD_HEIGHT 2160
#define FMT_4K_WIDTH 4096
#define FMT_4K_HEIGHT 2304
#define NUM_REF_PICTURES (V4L2_HEVC_DPB_ENTRIES_NUM_MAX + 1)
struct hantro_dev;
struct hantro_ctx;
struct hantro_buf;
struct hantro_variant;
/**
* struct hantro_aux_buf - auxiliary DMA buffer for hardware data
*
* @cpu: CPU pointer to the buffer.
* @dma: DMA address of the buffer.
* @size: Size of the buffer.
* @attrs: Attributes of the DMA mapping.
*/
struct hantro_aux_buf {
void *cpu;
dma_addr_t dma;
size_t size;
unsigned long attrs;
};
/* Max. number of entries in the DPB (HW limitation). */
#define HANTRO_H264_DPB_SIZE 16
/**
* struct hantro_h264_dec_ctrls
*
* @decode: Decode params
* @scaling: Scaling info
* @sps: SPS info
* @pps: PPS info
*/
struct hantro_h264_dec_ctrls {
const struct v4l2_ctrl_h264_decode_params *decode;
const struct v4l2_ctrl_h264_scaling_matrix *scaling;
const struct v4l2_ctrl_h264_sps *sps;
const struct v4l2_ctrl_h264_pps *pps;
};
/**
* struct hantro_h264_dec_reflists
*
* @p: P reflist
* @b0: B0 reflist
* @b1: B1 reflist
*/
struct hantro_h264_dec_reflists {
struct v4l2_h264_reference p[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference b0[V4L2_H264_REF_LIST_LEN];
struct v4l2_h264_reference b1[V4L2_H264_REF_LIST_LEN];
};
/**
* struct hantro_h264_dec_hw_ctx
*
* @priv: Private auxiliary buffer for hardware.
* @dpb: DPB
* @reflists: P/B0/B1 reflists
* @ctrls: V4L2 controls attached to a run
* @dpb_longterm: DPB long-term
* @dpb_valid: DPB valid
* @cur_poc: Current picture order count
*/
struct hantro_h264_dec_hw_ctx {
struct hantro_aux_buf priv;
struct v4l2_h264_dpb_entry dpb[HANTRO_H264_DPB_SIZE];
struct hantro_h264_dec_reflists reflists;
struct hantro_h264_dec_ctrls ctrls;
u32 dpb_longterm;
u32 dpb_valid;
s32 cur_poc;
};
/**
* struct hantro_hevc_dec_ctrls
* @decode_params: Decode params
* @scaling: Scaling matrix
* @sps: SPS info
* @pps: PPS info
* @hevc_hdr_skip_length: the number of data (in bits) to skip in the
* slice segment header syntax after 'slice type'
* token
*/
struct hantro_hevc_dec_ctrls {
const struct v4l2_ctrl_hevc_decode_params *decode_params;
const struct v4l2_ctrl_hevc_scaling_matrix *scaling;
const struct v4l2_ctrl_hevc_sps *sps;
const struct v4l2_ctrl_hevc_pps *pps;
u32 hevc_hdr_skip_length;
};
/**
* struct hantro_hevc_dec_hw_ctx
* @tile_sizes: Tile sizes buffer
* @tile_filter: Tile vertical filter buffer
* @tile_sao: Tile SAO buffer
* @tile_bsd: Tile BSD control buffer
* @ref_bufs: Internal reference buffers
* @scaling_lists: Scaling lists buffer
* @ref_bufs_poc: Internal reference buffers picture order count
* @ref_bufs_used: Bitfield of used reference buffers
* @ctrls: V4L2 controls attached to a run
* @num_tile_cols_allocated: number of allocated tiles
*/
struct hantro_hevc_dec_hw_ctx {
struct hantro_aux_buf tile_sizes;
struct hantro_aux_buf tile_filter;
struct hantro_aux_buf tile_sao;
struct hantro_aux_buf tile_bsd;
struct hantro_aux_buf ref_bufs[NUM_REF_PICTURES];
struct hantro_aux_buf scaling_lists;
s32 ref_bufs_poc[NUM_REF_PICTURES];
u32 ref_bufs_used;
struct hantro_hevc_dec_ctrls ctrls;
unsigned int num_tile_cols_allocated;
};
/**
* struct hantro_mpeg2_dec_hw_ctx
*
* @qtable: Quantization table
*/
struct hantro_mpeg2_dec_hw_ctx {
struct hantro_aux_buf qtable;
};
/**
* struct hantro_vp8_dec_hw_ctx
*
* @segment_map: Segment map buffer.
* @prob_tbl: Probability table buffer.
*/
struct hantro_vp8_dec_hw_ctx {
struct hantro_aux_buf segment_map;
struct hantro_aux_buf prob_tbl;
};
/**
* struct hantro_vp9_frame_info
*
* @valid: frame info valid flag
* @frame_context_idx: index of frame context
* @reference_mode: inter prediction type
* @tx_mode: transform mode
* @interpolation_filter: filter selection for inter prediction
* @flags: frame flags
* @timestamp: frame timestamp
*/
struct hantro_vp9_frame_info {
u32 valid : 1;
u32 frame_context_idx : 2;
u32 reference_mode : 2;
u32 tx_mode : 3;
u32 interpolation_filter : 3;
u32 flags;
u64 timestamp;
};
#define MAX_SB_COLS 64
#define MAX_SB_ROWS 34
/**
* struct hantro_vp9_dec_hw_ctx
*
* @tile_edge: auxiliary DMA buffer for tile edge processing
* @segment_map: auxiliary DMA buffer for segment map
* @misc: auxiliary DMA buffer for tile info, probabilities and hw counters
* @cnts: vp9 library struct for abstracting hw counters access
* @probability_tables: VP9 probability tables implied by the spec
* @frame_context: VP9 frame contexts
* @cur: current frame information
* @last: last frame information
* @bsd_ctrl_offset: bsd offset into tile_edge
* @segment_map_size: size of segment map
* @ctx_counters_offset: hw counters offset into misc
* @tile_info_offset: tile info offset into misc
* @tile_r_info: per-tile information array
* @tile_c_info: per-tile information array
* @last_tile_r: last number of tile rows
* @last_tile_c: last number of tile cols
* @last_sbs_r: last number of superblock rows
* @last_sbs_c: last number of superblock cols
* @active_segment: number of active segment (alternating between 0 and 1)
* @feature_enabled: segmentation feature enabled flags
* @feature_data: segmentation feature data
*/
struct hantro_vp9_dec_hw_ctx {
struct hantro_aux_buf tile_edge;
struct hantro_aux_buf segment_map;
struct hantro_aux_buf misc;
struct v4l2_vp9_frame_symbol_counts cnts;
struct v4l2_vp9_frame_context probability_tables;
struct v4l2_vp9_frame_context frame_context[4];
struct hantro_vp9_frame_info cur;
struct hantro_vp9_frame_info last;
unsigned int bsd_ctrl_offset;
unsigned int segment_map_size;
unsigned int ctx_counters_offset;
unsigned int tile_info_offset;
unsigned short tile_r_info[MAX_SB_ROWS];
unsigned short tile_c_info[MAX_SB_COLS];
unsigned int last_tile_r;
unsigned int last_tile_c;
unsigned int last_sbs_r;
unsigned int last_sbs_c;
unsigned int active_segment;
u8 feature_enabled[8];
s16 feature_data[8][4];
};
/**
* struct hantro_postproc_ctx
*
* @dec_q: References buffers, in decoder format.
*/
struct hantro_postproc_ctx {
struct hantro_aux_buf dec_q[VB2_MAX_FRAME];
};
/**
* struct hantro_postproc_ops - post-processor operations
*
* @enable: Enable the post-processor block. Optional.
* @disable: Disable the post-processor block. Optional.
* @enum_framesizes: Enumerate possible scaled output formats.
* Returns zero if OK, a negative value in error cases.
* Optional.
*/
struct hantro_postproc_ops {
void (*enable)(struct hantro_ctx *ctx);
void (*disable)(struct hantro_ctx *ctx);
int (*enum_framesizes)(struct hantro_ctx *ctx, struct v4l2_frmsizeenum *fsize);
};
/**
* struct hantro_codec_ops - codec mode specific operations
*
* @init: If needed, can be used for initialization.
* Optional and called from process context.
* @exit: If needed, can be used to undo the .init phase.
* Optional and called from process context.
* @run: Start single {en,de)coding job. Called from atomic context
* to indicate that a pair of buffers is ready and the hardware
* should be programmed and started. Returns zero if OK, a
* negative value in error cases.
* @done: Read back processing results and additional data from hardware.
* @reset: Reset the hardware in case of a timeout.
*/
struct hantro_codec_ops {
int (*init)(struct hantro_ctx *ctx);
void (*exit)(struct hantro_ctx *ctx);
int (*run)(struct hantro_ctx *ctx);
void (*done)(struct hantro_ctx *ctx);
void (*reset)(struct hantro_ctx *ctx);
};
/**
* enum hantro_enc_fmt - source format ID for hardware registers.
*
* @ROCKCHIP_VPU_ENC_FMT_YUV420P: Y/CbCr 4:2:0 planar format
* @ROCKCHIP_VPU_ENC_FMT_YUV420SP: Y/CbCr 4:2:0 semi-planar format
* @ROCKCHIP_VPU_ENC_FMT_YUYV422: YUV 4:2:2 packed format (YUYV)
* @ROCKCHIP_VPU_ENC_FMT_UYVY422: YUV 4:2:2 packed format (UYVY)
*/
enum hantro_enc_fmt {
ROCKCHIP_VPU_ENC_FMT_YUV420P = 0,
ROCKCHIP_VPU_ENC_FMT_YUV420SP = 1,
ROCKCHIP_VPU_ENC_FMT_YUYV422 = 2,
ROCKCHIP_VPU_ENC_FMT_UYVY422 = 3,
};
extern const struct hantro_variant imx8mm_vpu_g1_variant;
extern const struct hantro_variant imx8mq_vpu_g1_variant;
extern const struct hantro_variant imx8mq_vpu_g2_variant;
extern const struct hantro_variant imx8mq_vpu_variant;
extern const struct hantro_variant px30_vpu_variant;
extern const struct hantro_variant rk3036_vpu_variant;
extern const struct hantro_variant rk3066_vpu_variant;
extern const struct hantro_variant rk3288_vpu_variant;
extern const struct hantro_variant rk3328_vpu_variant;
extern const struct hantro_variant rk3399_vpu_variant;
extern const struct hantro_variant rk3568_vepu_variant;
extern const struct hantro_variant rk3568_vpu_variant;
extern const struct hantro_variant sama5d4_vdec_variant;
extern const struct hantro_variant sunxi_vpu_variant;
extern const struct hantro_postproc_ops hantro_g1_postproc_ops;
extern const struct hantro_postproc_ops hantro_g2_postproc_ops;
extern const u32 hantro_vp8_dec_mc_filter[8][6];
void hantro_watchdog(struct work_struct *work);
void hantro_run(struct hantro_ctx *ctx);
void hantro_irq_done(struct hantro_dev *vpu,
enum vb2_buffer_state result);
void hantro_start_prepare_run(struct hantro_ctx *ctx);
void hantro_end_prepare_run(struct hantro_ctx *ctx);
irqreturn_t hantro_g1_irq(int irq, void *dev_id);
void hantro_g1_reset(struct hantro_ctx *ctx);
int hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx);
int rockchip_vpu2_jpeg_enc_run(struct hantro_ctx *ctx);
void hantro_h1_jpeg_enc_done(struct hantro_ctx *ctx);
void rockchip_vpu2_jpeg_enc_done(struct hantro_ctx *ctx);
dma_addr_t hantro_h264_get_ref_buf(struct hantro_ctx *ctx,
unsigned int dpb_idx);
u16 hantro_h264_get_ref_nbr(struct hantro_ctx *ctx,
unsigned int dpb_idx);
int hantro_h264_dec_prepare_run(struct hantro_ctx *ctx);
int rockchip_vpu2_h264_dec_run(struct hantro_ctx *ctx);
int hantro_g1_h264_dec_run(struct hantro_ctx *ctx);
int hantro_h264_dec_init(struct hantro_ctx *ctx);
void hantro_h264_dec_exit(struct hantro_ctx *ctx);
int hantro_hevc_dec_init(struct hantro_ctx *ctx);
void hantro_hevc_dec_exit(struct hantro_ctx *ctx);
int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx);
int hantro_hevc_dec_prepare_run(struct hantro_ctx *ctx);
void hantro_hevc_ref_init(struct hantro_ctx *ctx);
dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, s32 poc);
int hantro_hevc_add_ref_buf(struct hantro_ctx *ctx, int poc, dma_addr_t addr);
static inline unsigned short hantro_vp9_num_sbs(unsigned short dimension)
{
return (dimension + 63) / 64;
}
static inline size_t
hantro_vp9_mv_size(unsigned int width, unsigned int height)
{
int num_ctbs;
/*
* There can be up to (CTBs x 64) number of blocks,
* and the motion vector for each block needs 16 bytes.
*/
num_ctbs = hantro_vp9_num_sbs(width) * hantro_vp9_num_sbs(height);
return (num_ctbs * 64) * 16;
}
static inline size_t
hantro_h264_mv_size(unsigned int width, unsigned int height)
{
/*
* A decoded 8-bit 4:2:0 NV12 frame may need memory for up to
* 448 bytes per macroblock with additional 32 bytes on
* multi-core variants.
*
* The H264 decoder needs extra space on the output buffers
* to store motion vectors. This is needed for reference
* frames and only if the format is non-post-processed NV12.
*
* Memory layout is as follow:
*
* +---------------------------+
* | Y-plane 256 bytes x MBs |
* +---------------------------+
* | UV-plane 128 bytes x MBs |
* +---------------------------+
* | MV buffer 64 bytes x MBs |
* +---------------------------+
* | MC sync 32 bytes |
* +---------------------------+
*/
return 64 * MB_WIDTH(width) * MB_WIDTH(height) + 32;
}
static inline size_t
hantro_hevc_mv_size(unsigned int width, unsigned int height)
{
/*
* A CTB can be 64x64, 32x32 or 16x16.
* Allocated memory for the "worse" case: 16x16
*/
return width * height / 16;
}
int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx);
int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx);
void hantro_mpeg2_dec_copy_qtable(u8 *qtable,
const struct v4l2_ctrl_mpeg2_quantisation *ctrl);
int hantro_mpeg2_dec_init(struct hantro_ctx *ctx);
void hantro_mpeg2_dec_exit(struct hantro_ctx *ctx);
int hantro_g1_vp8_dec_run(struct hantro_ctx *ctx);
int rockchip_vpu2_vp8_dec_run(struct hantro_ctx *ctx);
int hantro_vp8_dec_init(struct hantro_ctx *ctx);
void hantro_vp8_dec_exit(struct hantro_ctx *ctx);
void hantro_vp8_prob_update(struct hantro_ctx *ctx,
const struct v4l2_ctrl_vp8_frame *hdr);
int hantro_g2_vp9_dec_run(struct hantro_ctx *ctx);
void hantro_g2_vp9_dec_done(struct hantro_ctx *ctx);
int hantro_vp9_dec_init(struct hantro_ctx *ctx);
void hantro_vp9_dec_exit(struct hantro_ctx *ctx);
void hantro_g2_check_idle(struct hantro_dev *vpu);
irqreturn_t hantro_g2_irq(int irq, void *dev_id);
#endif /* HANTRO_HW_H_ */