drivers/media/platform/qcom/venus/core.h

   1 /*
   2  * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2017 Linaro Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 and
   7  * only version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #ifndef __VENUS_CORE_H_
  17 #define __VENUS_CORE_H_
  18
  19 #include <linux/list.h>
  20 #include <media/videobuf2-v4l2.h>
  21 #include <media/v4l2-ctrls.h>
  22 #include <media/v4l2-device.h>
  23
  24 #include "hfi.h"
  25
  26 #define VIDC_CLKS_NUM_MAX       4
  27
  28 struct freq_tbl {
  29         unsigned int load;
  30         unsigned long freq;
  31 };
  32
  33 struct reg_val {
  34         u32 reg;
  35         u32 value;
  36 };
  37
  38 struct venus_resources {
  39         u64 dma_mask;
  40         const struct freq_tbl *freq_tbl;
  41         unsigned int freq_tbl_size;
  42         const struct reg_val *reg_tbl;
  43         unsigned int reg_tbl_size;
  44         const char * const clks[VIDC_CLKS_NUM_MAX];
  45         unsigned int clks_num;
  46         enum hfi_version hfi_version;
  47         u32 max_load;
  48         unsigned int vmem_id;
  49         u32 vmem_size;
  50         u32 vmem_addr;
  51         const char *fwname;
  52 };
  53
  54 struct venus_format {
  55         u32 pixfmt;
  56         unsigned int num_planes;
  57         u32 type;
  58 };
  59
  60 #define MAX_PLANES              4
  61 #define MAX_FMT_ENTRIES         32
  62 #define MAX_CAP_ENTRIES         32
  63 #define MAX_ALLOC_MODE_ENTRIES  16
  64 #define MAX_CODEC_NUM           32
  65
  66 struct raw_formats {
  67         u32 buftype;
  68         u32 fmt;
  69 };
  70
  71 struct venus_caps {
  72         u32 codec;
  73         u32 domain;
  74         bool cap_bufs_mode_dynamic;
  75         unsigned int num_caps;
  76         struct hfi_capability caps[MAX_CAP_ENTRIES];
  77         unsigned int num_pl;
  78         struct hfi_profile_level pl[HFI_MAX_PROFILE_COUNT];
  79         unsigned int num_fmts;
  80         struct raw_formats fmts[MAX_FMT_ENTRIES];
  81         bool valid;     /* used only for Venus v1xx */
  82 };
  83
  84 /**
  85  * struct venus_core - holds core parameters valid for all instances
  86  *
  87  * @base:       IO memory base address
  88  * @irq:                Venus irq
  89  * @clks:       an array of struct clk pointers
  90  * @core0_clk:  a struct clk pointer for core0
  91  * @core1_clk:  a struct clk pointer for core1
  92  * @core0_bus_clk: a struct clk pointer for core0 bus clock
  93  * @core1_bus_clk: a struct clk pointer for core1 bus clock
  94  * @vdev_dec:   a reference to video device structure for decoder instances
  95  * @vdev_enc:   a reference to video device structure for encoder instances
  96  * @v4l2_dev:   a holder for v4l2 device structure
  97  * @res:                a reference to venus resources structure
  98  * @dev:                convenience struct device pointer
  99  * @dev_dec:    convenience struct device pointer for decoder device
 100  * @dev_enc:    convenience struct device pointer for encoder device
 101  * @lock:       a lock for this strucure
 102  * @instances:  a list_head of all instances
 103  * @insts_count:        num of instances
 104  * @state:      the state of the venus core
 105  * @done:       a completion for sync HFI operations
 106  * @error:      an error returned during last HFI sync operations
 107  * @sys_error:  an error flag that signal system error event
 108  * @core_ops:   the core operations
 109  * @enc_codecs: encoders supported by this core
 110  * @dec_codecs: decoders supported by this core
 111  * @max_sessions_supported:     holds the maximum number of sessions
 112  * @core_caps:  core capabilities
 113  * @priv:       a private filed for HFI operations
 114  * @ops:                the core HFI operations
 115  * @work:       a delayed work for handling system fatal error
 116  */
 117 struct venus_core {
 118         void __iomem *base;
 119         int irq;
 120         struct clk *clks[VIDC_CLKS_NUM_MAX];
 121         struct clk *core0_clk;
 122         struct clk *core1_clk;
 123         struct clk *core0_bus_clk;
 124         struct clk *core1_bus_clk;
 125         struct video_device *vdev_dec;
 126         struct video_device *vdev_enc;
 127         struct v4l2_device v4l2_dev;
 128         const struct venus_resources *res;
 129         struct device *dev;
 130         struct device *dev_dec;
 131         struct device *dev_enc;
 132         struct mutex lock;
 133         struct list_head instances;
 134         atomic_t insts_count;
 135         unsigned int state;
 136         struct completion done;
 137         unsigned int error;
 138         bool sys_error;
 139         const struct hfi_core_ops *core_ops;
 140         unsigned long enc_codecs;
 141         unsigned long dec_codecs;
 142         unsigned int max_sessions_supported;
 143 #define ENC_ROTATION_CAPABILITY         0x1
 144 #define ENC_SCALING_CAPABILITY          0x2
 145 #define ENC_DEINTERLACE_CAPABILITY      0x4
 146 #define DEC_MULTI_STREAM_CAPABILITY     0x8
 147         unsigned int core_caps;
 148         void *priv;
 149         const struct hfi_ops *ops;
 150         struct delayed_work work;
 151         struct venus_caps caps[MAX_CODEC_NUM];
 152         unsigned int codecs_count;
 153 };
 154
 155 struct vdec_controls {
 156         u32 post_loop_deb_mode;
 157         u32 profile;
 158         u32 level;
 159 };
 160
 161 struct venc_controls {
 162         u16 gop_size;
 163         u32 num_p_frames;
 164         u32 num_b_frames;
 165         u32 bitrate_mode;
 166         u32 bitrate;
 167         u32 bitrate_peak;
 168
 169         u32 h264_i_period;
 170         u32 h264_entropy_mode;
 171         u32 h264_i_qp;
 172         u32 h264_p_qp;
 173         u32 h264_b_qp;
 174         u32 h264_min_qp;
 175         u32 h264_max_qp;
 176         u32 h264_loop_filter_mode;
 177         s32 h264_loop_filter_alpha;
 178         s32 h264_loop_filter_beta;
 179
 180         u32 vp8_min_qp;
 181         u32 vp8_max_qp;
 182
 183         u32 multi_slice_mode;
 184         u32 multi_slice_max_bytes;
 185         u32 multi_slice_max_mb;
 186
 187         u32 header_mode;
 188
 189         struct {
 190                 u32 mpeg4;
 191                 u32 h264;
 192                 u32 vpx;
 193                 u32 hevc;
 194         } profile;
 195         struct {
 196                 u32 mpeg4;
 197                 u32 h264;
 198                 u32 hevc;
 199         } level;
 200 };
 201
 202 struct venus_buffer {
 203         struct vb2_v4l2_buffer vb;
 204         struct list_head list;
 205         dma_addr_t dma_addr;
 206         u32 size;
 207         struct list_head reg_list;
 208         u32 flags;
 209         struct list_head ref_list;
 210 };
 211
 212 #define to_venus_buffer(ptr)    container_of(ptr, struct venus_buffer, vb)
 213
 214 /**
 215  * struct venus_inst - holds per instance paramerters
 216  *
 217  * @list:       used for attach an instance to the core
 218  * @lock:       instance lock
 219  * @core:       a reference to the core struct
 220  * @dpbbufs:    a list of decoded picture buffers
 221  * @internalbufs:       a list of internal bufferes
 222  * @registeredbufs:     a list of registered capture bufferes
 223  * @delayed_process     a list of delayed buffers
 224  * @delayed_process_work:       a work_struct for process delayed buffers
 225  * @ctrl_handler:       v4l control handler
 226  * @controls:   a union of decoder and encoder control parameters
 227  * @fh:  a holder of v4l file handle structure
 228  * @streamon_cap: stream on flag for capture queue
 229  * @streamon_out: stream on flag for output queue
 230  * @width:      current capture width
 231  * @height:     current capture height
 232  * @out_width:  current output width
 233  * @out_height: current output height
 234  * @colorspace: current color space
 235  * @quantization:       current quantization
 236  * @xfer_func:  current xfer function
 237  * @fps:                holds current FPS
 238  * @timeperframe:       holds current time per frame structure
 239  * @fmt_out:    a reference to output format structure
 240  * @fmt_cap:    a reference to capture format structure
 241  * @num_input_bufs:     holds number of input buffers
 242  * @num_output_bufs:    holds number of output buffers
 243  * @input_buf_size      holds input buffer size
 244  * @output_buf_size:    holds output buffer size
 245  * @output2_buf_size:   holds secondary decoder output buffer size
 246  * @dpb_buftype:        decoded picture buffer type
 247  * @dpb_fmt:            decoded picture buffer raw format
 248  * @opb_buftype:        output picture buffer type
 249  * @opb_fmt:            output picture buffer raw format
 250  * @reconfig:   a flag raised by decoder when the stream resolution changed
 251  * @reconfig_width:     holds the new width
 252  * @reconfig_height:    holds the new height
 253  * @hfi_codec:          current codec for this instance in HFI space
 254  * @sequence_cap:       a sequence counter for capture queue
 255  * @sequence_out:       a sequence counter for output queue
 256  * @m2m_dev:    a reference to m2m device structure
 257  * @m2m_ctx:    a reference to m2m context structure
 258  * @state:      current state of the instance
 259  * @done:       a completion for sync HFI operation
 260  * @error:      an error returned during last HFI sync operation
 261  * @session_error:      a flag rised by HFI interface in case of session error
 262  * @ops:                HFI operations
 263  * @priv:       a private for HFI operations callbacks
 264  * @session_type:       the type of the session (decoder or encoder)
 265  * @hprop:      a union used as a holder by get property
 266  */
 267 struct venus_inst {
 268         struct list_head list;
 269         struct mutex lock;
 270         struct venus_core *core;
 271         struct list_head dpbbufs;
 272         struct list_head internalbufs;
 273         struct list_head registeredbufs;
 274         struct list_head delayed_process;
 275         struct work_struct delayed_process_work;
 276
 277         struct v4l2_ctrl_handler ctrl_handler;
 278         union {
 279                 struct vdec_controls dec;
 280                 struct venc_controls enc;
 281         } controls;
 282         struct v4l2_fh fh;
 283         unsigned int streamon_cap, streamon_out;
 284         u32 width;
 285         u32 height;
 286         u32 out_width;
 287         u32 out_height;
 288         u32 colorspace;
 289         u8 ycbcr_enc;
 290         u8 quantization;
 291         u8 xfer_func;
 292         u64 fps;
 293         struct v4l2_fract timeperframe;
 294         const struct venus_format *fmt_out;
 295         const struct venus_format *fmt_cap;
 296         unsigned int num_input_bufs;
 297         unsigned int num_output_bufs;
 298         unsigned int input_buf_size;
 299         unsigned int output_buf_size;
 300         unsigned int output2_buf_size;
 301         u32 dpb_buftype;
 302         u32 dpb_fmt;
 303         u32 opb_buftype;
 304         u32 opb_fmt;
 305         bool reconfig;
 306         u32 reconfig_width;
 307         u32 reconfig_height;
 308         u32 hfi_codec;
 309         u32 sequence_cap;
 310         u32 sequence_out;
 311         struct v4l2_m2m_dev *m2m_dev;
 312         struct v4l2_m2m_ctx *m2m_ctx;
 313         unsigned int state;
 314         struct completion done;
 315         unsigned int error;
 316         bool session_error;
 317         const struct hfi_inst_ops *ops;
 318         u32 session_type;
 319         union hfi_get_property hprop;
 320 };
 321
 322 #define IS_V1(core)     ((core)->res->hfi_version == HFI_VERSION_1XX)
 323 #define IS_V3(core)     ((core)->res->hfi_version == HFI_VERSION_3XX)
 324 #define IS_V4(core)     ((core)->res->hfi_version == HFI_VERSION_4XX)
 325
 326 #define ctrl_to_inst(ctrl)      \
 327         container_of((ctrl)->handler, struct venus_inst, ctrl_handler)
 328
 329 static inline struct venus_inst *to_inst(struct file *filp)
 330 {
 331         return container_of(filp->private_data, struct venus_inst, fh);
 332 }
 333
 334 static inline void *to_hfi_priv(struct venus_core *core)
 335 {
 336         return core->priv;
 337 }
 338
 339 static inline struct venus_caps *
 340 venus_caps_by_codec(struct venus_core *core, u32 codec, u32 domain)
 341 {
 342         unsigned int c;
 343
 344         for (c = 0; c < core->codecs_count; c++) {
 345                 if (core->caps[c].codec == codec &&
 346                     core->caps[c].domain == domain)
 347                         return &core->caps[c];
 348         }
 349
 350         return NULL;
 351 }
 352
 353 #endif