drivers/gpu/drm/rockchip/rockchip_drm_vop.c

   1 /*
   2  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
   3  * Author:Mark Yao <mark.yao@rock-chips.com>
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   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 #include <drm/drm.h>
  16 #include <drm/drmP.h>
  17 #include <drm/drm_atomic.h>
  18 #include <drm/drm_crtc.h>
  19 #include <drm/drm_crtc_helper.h>
  20 #include <drm/drm_plane_helper.h>
  21
  22 #include <linux/iopoll.h>
  23 #include <linux/kernel.h>
  24 #include <linux/module.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/clk.h>
  27 #include <linux/of.h>
  28 #include <linux/of_device.h>
  29 #include <linux/pm_runtime.h>
  30 #include <linux/component.h>
  31
  32 #include <linux/reset.h>
  33 #include <linux/delay.h>
  34 #include <linux/sort.h>
  35 #include <uapi/drm/rockchip_drm.h>
  36
  37 #include "rockchip_drm_drv.h"
  38 #include "rockchip_drm_gem.h"
  39 #include "rockchip_drm_fb.h"
  40 #include "rockchip_drm_vop.h"
  41
  42 #define VOP_REG_SUPPORT(vop, reg) \
  43                 (!reg.major || (reg.major == VOP_MAJOR(vop->data->version) && \
  44                 reg.begin_minor <= VOP_MINOR(vop->data->version) && \
  45                 reg.end_minor >= VOP_MINOR(vop->data->version) && \
  46                 reg.mask))
  47
  48 #define VOP_WIN_SUPPORT(vop, win, name) \
  49                 VOP_REG_SUPPORT(vop, win->phy->name)
  50
  51 #define VOP_CTRL_SUPPORT(vop, name) \
  52                 VOP_REG_SUPPORT(vop, vop->data->ctrl->name)
  53
  54 #define VOP_INTR_SUPPORT(vop, name) \
  55                 VOP_REG_SUPPORT(vop, vop->data->intr->name)
  56
  57 #define __REG_SET(x, off, mask, shift, v, write_mask, relaxed) \
  58                 vop_mask_write(x, off, mask, shift, v, write_mask, relaxed)
  59
  60 #define _REG_SET(vop, name, off, reg, mask, v, relaxed) \
  61         do { \
  62                 if (VOP_REG_SUPPORT(vop, reg)) \
  63                         __REG_SET(vop, off + reg.offset, mask, reg.shift, \
  64                                   v, reg.write_mask, relaxed); \
  65                 else \
  66                         dev_dbg(vop->dev, "Warning: not support "#name"\n"); \
  67         } while(0)
  68
  69 #define REG_SET(x, name, off, reg, v, relaxed) \
  70                 _REG_SET(x, name, off, reg, reg.mask, v, relaxed)
  71 #define REG_SET_MASK(x, name, off, reg, mask, v, relaxed) \
  72                 _REG_SET(x, name, off, reg, reg.mask & mask, v, relaxed)
  73
  74 #define VOP_WIN_SET(x, win, name, v) \
  75                 REG_SET(x, name, win->offset, VOP_WIN_NAME(win, name), v, true)
  76 #define VOP_WIN_SET_EXT(x, win, ext, name, v) \
  77                 REG_SET(x, name, 0, win->ext->name, v, true)
  78 #define VOP_SCL_SET(x, win, name, v) \
  79                 REG_SET(x, name, win->offset, win->phy->scl->name, v, true)
  80 #define VOP_SCL_SET_EXT(x, win, name, v) \
  81                 REG_SET(x, name, win->offset, win->phy->scl->ext->name, v, true)
  82
  83 #define VOP_CTRL_SET(x, name, v) \
  84                 REG_SET(x, name, 0, (x)->data->ctrl->name, v, false)
  85
  86 #define VOP_INTR_GET(vop, name) \
  87                 vop_read_reg(vop, 0, &vop->data->ctrl->name)
  88
  89 #define VOP_INTR_SET(vop, name, v) \
  90                 REG_SET(vop, name, 0, vop->data->intr->name, \
  91                         v, false)
  92 #define VOP_INTR_SET_MASK(vop, name, mask, v) \
  93                 REG_SET_MASK(vop, name, 0, vop->data->intr->name, \
  94                              mask, v, false)
  95
  96 #define VOP_INTR_SET_TYPE(vop, name, type, v) \
  97         do { \
  98                 int i, reg = 0, mask = 0; \
  99                 for (i = 0; i < vop->data->intr->nintrs; i++) { \
 100                         if (vop->data->intr->intrs[i] & type) { \
 101                                 reg |= (v) << i; \
 102                                 mask |= 1 << i; \
 103                         } \
 104                 } \
 105                 VOP_INTR_SET_MASK(vop, name, mask, reg); \
 106         } while (0)
 107 #define VOP_INTR_GET_TYPE(vop, name, type) \
 108                 vop_get_intr_type(vop, &vop->data->intr->name, type)
 109
 110 #define VOP_CTRL_GET(x, name) \
 111                 vop_read_reg(x, 0, &vop->data->ctrl->name)
 112
 113 #define VOP_WIN_GET(x, win, name) \
 114                 vop_read_reg(x, win->offset, &VOP_WIN_NAME(win, name))
 115
 116 #define VOP_WIN_NAME(win, name) \
 117                 (vop_get_win_phy(win, &win->phy->name)->name)
 118
 119 #define VOP_WIN_GET_YRGBADDR(vop, win) \
 120                 vop_readl(vop, win->offset + VOP_WIN_NAME(win, yrgb_mst).offset)
 121
 122 #define to_vop(x) container_of(x, struct vop, crtc)
 123 #define to_vop_win(x) container_of(x, struct vop_win, base)
 124 #define to_vop_plane_state(x) container_of(x, struct vop_plane_state, base)
 125
 126 struct vop_zpos {
 127         int win_id;
 128         int zpos;
 129 };
 130
 131 struct vop_plane_state {
 132         struct drm_plane_state base;
 133         int format;
 134         int zpos;
 135         struct drm_rect src;
 136         struct drm_rect dest;
 137         dma_addr_t yrgb_mst;
 138         dma_addr_t uv_mst;
 139         const uint32_t *y2r_table;
 140         const uint32_t *r2r_table;
 141         const uint32_t *r2y_table;
 142         bool enable;
 143 };
 144
 145 struct vop_win {
 146         struct vop_win *parent;
 147         struct drm_plane base;
 148
 149         int win_id;
 150         int area_id;
 151         uint32_t offset;
 152         enum drm_plane_type type;
 153         const struct vop_win_phy *phy;
 154         const struct vop_csc *csc;
 155         const uint32_t *data_formats;
 156         uint32_t nformats;
 157         struct vop *vop;
 158
 159         struct drm_property *rotation_prop;
 160         struct vop_plane_state state;
 161 };
 162
 163 struct vop {
 164         struct drm_crtc crtc;
 165         struct device *dev;
 166         struct drm_device *drm_dev;
 167         struct drm_property *plane_zpos_prop;
 168         struct drm_property *plane_feature_prop;
 169         struct drm_property *feature_prop;
 170         bool is_iommu_enabled;
 171         bool is_iommu_needed;
 172         bool is_enabled;
 173
 174         /* mutex vsync_ work */
 175         struct mutex vsync_mutex;
 176         bool vsync_work_pending;
 177         bool loader_protect;
 178         struct completion dsp_hold_completion;
 179         struct completion wait_update_complete;
 180         struct drm_pending_vblank_event *event;
 181
 182         struct completion line_flag_completion;
 183
 184         const struct vop_data *data;
 185         int num_wins;
 186
 187         uint32_t *regsbak;
 188         void __iomem *regs;
 189
 190         /* physical map length of vop register */
 191         uint32_t len;
 192
 193         /* one time only one process allowed to config the register */
 194         spinlock_t reg_lock;
 195         /* lock vop irq reg */
 196         spinlock_t irq_lock;
 197
 198         unsigned int irq;
 199
 200         /* vop AHP clk */
 201         struct clk *hclk;
 202         /* vop dclk */
 203         struct clk *dclk;
 204         /* vop share memory frequency */
 205         struct clk *aclk;
 206
 207         /* vop dclk reset */
 208         struct reset_control *dclk_rst;
 209
 210         struct vop_win win[];
 211 };
 212
 213 static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v)
 214 {
 215         writel(v, vop->regs + offset);
 216         vop->regsbak[offset >> 2] = v;
 217 }
 218
 219 static inline uint32_t vop_readl(struct vop *vop, uint32_t offset)
 220 {
 221         return readl(vop->regs + offset);
 222 }
 223
 224 static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base,
 225                                     const struct vop_reg *reg)
 226 {
 227         return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask;
 228 }
 229
 230 static inline void vop_mask_write(struct vop *vop, uint32_t offset,
 231                                   uint32_t mask, uint32_t shift, uint32_t v,
 232                                   bool write_mask, bool relaxed)
 233 {
 234         if (!mask)
 235                 return;
 236
 237         if (write_mask) {
 238                 v = ((v & mask) << shift) | (mask << (shift + 16));
 239         } else {
 240                 uint32_t cached_val = vop->regsbak[offset >> 2];
 241
 242                 v = (cached_val & ~(mask << shift)) | ((v & mask) << shift);
 243                 vop->regsbak[offset >> 2] = v;
 244         }
 245
 246         if (relaxed)
 247                 writel_relaxed(v, vop->regs + offset);
 248         else
 249                 writel(v, vop->regs + offset);
 250 }
 251
 252 static inline const struct vop_win_phy *
 253 vop_get_win_phy(struct vop_win *win, const struct vop_reg *reg)
 254 {
 255         if (!reg->mask && win->parent)
 256                 return win->parent->phy;
 257
 258         return win->phy;
 259 }
 260
 261 static inline uint32_t vop_get_intr_type(struct vop *vop,
 262                                          const struct vop_reg *reg, int type)
 263 {
 264         uint32_t i, ret = 0;
 265         uint32_t regs = vop_read_reg(vop, 0, reg);
 266
 267         for (i = 0; i < vop->data->intr->nintrs; i++) {
 268                 if ((type & vop->data->intr->intrs[i]) && (regs & 1 << i))
 269                         ret |= vop->data->intr->intrs[i];
 270         }
 271
 272         return ret;
 273 }
 274
 275 static void vop_load_csc_table(struct vop *vop, u32 offset, const u32 *table)
 276 {
 277         int i;
 278
 279         if (!table)
 280                 return;
 281
 282         for (i = 0; i < 8; i++)
 283                 vop_writel(vop, offset + i * 4, table[i]);
 284 }
 285
 286 static inline void vop_cfg_done(struct vop *vop)
 287 {
 288         VOP_CTRL_SET(vop, cfg_done, 1);
 289 }
 290
 291 static bool vop_is_allwin_disabled(struct vop *vop)
 292 {
 293         int i;
 294
 295         for (i = 0; i < vop->num_wins; i++) {
 296                 struct vop_win *win = &vop->win[i];
 297
 298                 if (VOP_WIN_GET(vop, win, enable) != 0)
 299                         return false;
 300         }
 301
 302         return true;
 303 }
 304
 305 static bool vop_is_cfg_done_complete(struct vop *vop)
 306 {
 307         return VOP_CTRL_GET(vop, cfg_done) ? false : true;
 308 }
 309
 310 static bool vop_fs_irq_is_active(struct vop *vop)
 311 {
 312         return VOP_INTR_GET_TYPE(vop, status, FS_INTR);
 313 }
 314
 315 static bool vop_line_flag_is_active(struct vop *vop)
 316 {
 317         return VOP_INTR_GET_TYPE(vop, status, LINE_FLAG_INTR);
 318 }
 319
 320 static bool has_rb_swapped(uint32_t format)
 321 {
 322         switch (format) {
 323         case DRM_FORMAT_XBGR8888:
 324         case DRM_FORMAT_ABGR8888:
 325         case DRM_FORMAT_BGR888:
 326         case DRM_FORMAT_BGR565:
 327                 return true;
 328         default:
 329                 return false;
 330         }
 331 }
 332
 333 static enum vop_data_format vop_convert_format(uint32_t format)
 334 {
 335         switch (format) {
 336         case DRM_FORMAT_XRGB8888:
 337         case DRM_FORMAT_ARGB8888:
 338         case DRM_FORMAT_XBGR8888:
 339         case DRM_FORMAT_ABGR8888:
 340                 return VOP_FMT_ARGB8888;
 341         case DRM_FORMAT_RGB888:
 342         case DRM_FORMAT_BGR888:
 343                 return VOP_FMT_RGB888;
 344         case DRM_FORMAT_RGB565:
 345         case DRM_FORMAT_BGR565:
 346                 return VOP_FMT_RGB565;
 347         case DRM_FORMAT_NV12:
 348         case DRM_FORMAT_NV12_10:
 349                 return VOP_FMT_YUV420SP;
 350         case DRM_FORMAT_NV16:
 351         case DRM_FORMAT_NV16_10:
 352                 return VOP_FMT_YUV422SP;
 353         case DRM_FORMAT_NV24:
 354         case DRM_FORMAT_NV24_10:
 355                 return VOP_FMT_YUV444SP;
 356         default:
 357                 DRM_ERROR("unsupport format[%08x]\n", format);
 358                 return -EINVAL;
 359         }
 360 }
 361
 362 static bool is_yuv_output(uint32_t bus_format)
 363 {
 364         switch (bus_format) {
 365         case MEDIA_BUS_FMT_YUV8_1X24:
 366         case MEDIA_BUS_FMT_YUV10_1X30:
 367                 return true;
 368         default:
 369                 return false;
 370         }
 371 }
 372
 373 static bool is_yuv_support(uint32_t format)
 374 {
 375         switch (format) {
 376         case DRM_FORMAT_NV12:
 377         case DRM_FORMAT_NV12_10:
 378         case DRM_FORMAT_NV16:
 379         case DRM_FORMAT_NV16_10:
 380         case DRM_FORMAT_NV24:
 381         case DRM_FORMAT_NV24_10:
 382                 return true;
 383         default:
 384                 return false;
 385         }
 386 }
 387
 388 static bool is_yuv_10bit(uint32_t format)
 389 {
 390         switch (format) {
 391         case DRM_FORMAT_NV12_10:
 392         case DRM_FORMAT_NV16_10:
 393         case DRM_FORMAT_NV24_10:
 394                 return true;
 395         default:
 396                 return false;
 397         }
 398 }
 399
 400 static bool is_alpha_support(uint32_t format)
 401 {
 402         switch (format) {
 403         case DRM_FORMAT_ARGB8888:
 404         case DRM_FORMAT_ABGR8888:
 405                 return true;
 406         default:
 407                 return false;
 408         }
 409 }
 410
 411 static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
 412                                   uint32_t dst, bool is_horizontal,
 413                                   int vsu_mode, int *vskiplines)
 414 {
 415         uint16_t val = 1 << SCL_FT_DEFAULT_FIXPOINT_SHIFT;
 416
 417         if (is_horizontal) {
 418                 if (mode == SCALE_UP)
 419                         val = GET_SCL_FT_BIC(src, dst);
 420                 else if (mode == SCALE_DOWN)
 421                         val = GET_SCL_FT_BILI_DN(src, dst);
 422         } else {
 423                 if (mode == SCALE_UP) {
 424                         if (vsu_mode == SCALE_UP_BIL)
 425                                 val = GET_SCL_FT_BILI_UP(src, dst);
 426                         else
 427                                 val = GET_SCL_FT_BIC(src, dst);
 428                 } else if (mode == SCALE_DOWN) {
 429                         if (vskiplines) {
 430                                 *vskiplines = scl_get_vskiplines(src, dst);
 431                                 val = scl_get_bili_dn_vskip(src, dst,
 432                                                             *vskiplines);
 433                         } else {
 434                                 val = GET_SCL_FT_BILI_DN(src, dst);
 435                         }
 436                 }
 437         }
 438
 439         return val;
 440 }
 441
 442 static void scl_vop_cal_scl_fac(struct vop *vop, struct vop_win *win,
 443                                 uint32_t src_w, uint32_t src_h, uint32_t dst_w,
 444                                 uint32_t dst_h, uint32_t pixel_format)
 445 {
 446         uint16_t yrgb_hor_scl_mode, yrgb_ver_scl_mode;
 447         uint16_t cbcr_hor_scl_mode = SCALE_NONE;
 448         uint16_t cbcr_ver_scl_mode = SCALE_NONE;
 449         int hsub = drm_format_horz_chroma_subsampling(pixel_format);
 450         int vsub = drm_format_vert_chroma_subsampling(pixel_format);
 451         bool is_yuv = is_yuv_support(pixel_format);
 452         uint16_t cbcr_src_w = src_w / hsub;
 453         uint16_t cbcr_src_h = src_h / vsub;
 454         uint16_t vsu_mode;
 455         uint16_t lb_mode;
 456         uint32_t val;
 457         int vskiplines = 0;
 458
 459         if (!win->phy->scl)
 460                 return;
 461
 462         if (!win->phy->scl->ext) {
 463                 VOP_SCL_SET(vop, win, scale_yrgb_x,
 464                             scl_cal_scale2(src_w, dst_w));
 465                 VOP_SCL_SET(vop, win, scale_yrgb_y,
 466                             scl_cal_scale2(src_h, dst_h));
 467                 if (is_yuv) {
 468                         VOP_SCL_SET(vop, win, scale_cbcr_x,
 469                                     scl_cal_scale2(cbcr_src_w, dst_w));
 470                         VOP_SCL_SET(vop, win, scale_cbcr_y,
 471                                     scl_cal_scale2(cbcr_src_h, dst_h));
 472                 }
 473                 return;
 474         }
 475
 476         yrgb_hor_scl_mode = scl_get_scl_mode(src_w, dst_w);
 477         yrgb_ver_scl_mode = scl_get_scl_mode(src_h, dst_h);
 478
 479         if (is_yuv) {
 480                 cbcr_hor_scl_mode = scl_get_scl_mode(cbcr_src_w, dst_w);
 481                 cbcr_ver_scl_mode = scl_get_scl_mode(cbcr_src_h, dst_h);
 482                 if (cbcr_hor_scl_mode == SCALE_DOWN)
 483                         lb_mode = scl_vop_cal_lb_mode(dst_w, true);
 484                 else
 485                         lb_mode = scl_vop_cal_lb_mode(cbcr_src_w, true);
 486         } else {
 487                 if (yrgb_hor_scl_mode == SCALE_DOWN)
 488                         lb_mode = scl_vop_cal_lb_mode(dst_w, false);
 489                 else
 490                         lb_mode = scl_vop_cal_lb_mode(src_w, false);
 491         }
 492
 493         VOP_SCL_SET_EXT(vop, win, lb_mode, lb_mode);
 494         if (lb_mode == LB_RGB_3840X2) {
 495                 if (yrgb_ver_scl_mode != SCALE_NONE) {
 496                         DRM_ERROR("ERROR : not allow yrgb ver scale\n");
 497                         return;
 498                 }
 499                 if (cbcr_ver_scl_mode != SCALE_NONE) {
 500                         DRM_ERROR("ERROR : not allow cbcr ver scale\n");
 501                         return;
 502                 }
 503                 vsu_mode = SCALE_UP_BIL;
 504         } else if (lb_mode == LB_RGB_2560X4) {
 505                 vsu_mode = SCALE_UP_BIL;
 506         } else {
 507                 vsu_mode = SCALE_UP_BIC;
 508         }
 509
 510         val = scl_vop_cal_scale(yrgb_hor_scl_mode, src_w, dst_w,
 511                                 true, 0, NULL);
 512         VOP_SCL_SET(vop, win, scale_yrgb_x, val);
 513         val = scl_vop_cal_scale(yrgb_ver_scl_mode, src_h, dst_h,
 514                                 false, vsu_mode, &vskiplines);
 515         VOP_SCL_SET(vop, win, scale_yrgb_y, val);
 516
 517         VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt4, vskiplines == 4);
 518         VOP_SCL_SET_EXT(vop, win, vsd_yrgb_gt2, vskiplines == 2);
 519
 520         VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, yrgb_hor_scl_mode);
 521         VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, yrgb_ver_scl_mode);
 522         VOP_SCL_SET_EXT(vop, win, yrgb_hsd_mode, SCALE_DOWN_BIL);
 523         VOP_SCL_SET_EXT(vop, win, yrgb_vsd_mode, SCALE_DOWN_BIL);
 524         VOP_SCL_SET_EXT(vop, win, yrgb_vsu_mode, vsu_mode);
 525         if (is_yuv) {
 526                 vskiplines = 0;
 527
 528                 val = scl_vop_cal_scale(cbcr_hor_scl_mode, cbcr_src_w,
 529                                         dst_w, true, 0, NULL);
 530                 VOP_SCL_SET(vop, win, scale_cbcr_x, val);
 531                 val = scl_vop_cal_scale(cbcr_ver_scl_mode, cbcr_src_h,
 532                                         dst_h, false, vsu_mode, &vskiplines);
 533                 VOP_SCL_SET(vop, win, scale_cbcr_y, val);
 534
 535                 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt4, vskiplines == 4);
 536                 VOP_SCL_SET_EXT(vop, win, vsd_cbcr_gt2, vskiplines == 2);
 537                 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, cbcr_hor_scl_mode);
 538                 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, cbcr_ver_scl_mode);
 539                 VOP_SCL_SET_EXT(vop, win, cbcr_hsd_mode, SCALE_DOWN_BIL);
 540                 VOP_SCL_SET_EXT(vop, win, cbcr_vsd_mode, SCALE_DOWN_BIL);
 541                 VOP_SCL_SET_EXT(vop, win, cbcr_vsu_mode, vsu_mode);
 542         }
 543 }
 544
 545 /*
 546  * rk3399 colorspace path:
 547  *      Input        Win csc                     Output
 548  * 1. YUV(2020)  --> Y2R->2020To709->R2Y   --> YUV_OUTPUT(601/709)
 549  *    RGB        --> R2Y                  __/
 550  *
 551  * 2. YUV(2020)  --> bypasss               --> YUV_OUTPUT(2020)
 552  *    RGB        --> 709To2020->R2Y       __/
 553  *
 554  * 3. YUV(2020)  --> Y2R->2020To709        --> RGB_OUTPUT(709)
 555  *    RGB        --> R2Y                  __/
 556  *
 557  * 4. YUV(601/709)-> Y2R->709To2020->R2Y   --> YUV_OUTPUT(2020)
 558  *    RGB        --> 709To2020->R2Y       __/
 559  *
 560  * 5. YUV(601/709)-> bypass                --> YUV_OUTPUT(709)
 561  *    RGB        --> R2Y                  __/
 562  *
 563  * 6. YUV(601/709)-> bypass                --> YUV_OUTPUT(601)
 564  *    RGB        --> R2Y(601)             __/
 565  *
 566  * 7. YUV        --> Y2R(709)              --> RGB_OUTPUT(709)
 567  *    RGB        --> bypass               __/
 568  *
 569  * 8. RGB        --> 709To2020->R2Y        --> YUV_OUTPUT(2020)
 570  *
 571  * 9. RGB        --> R2Y(709)              --> YUV_OUTPUT(709)
 572  *
 573  * 10. RGB       --> R2Y(601)              --> YUV_OUTPUT(601)
 574  *
 575  * 11. RGB       --> bypass                --> RGB_OUTPUT(709)
 576  */
 577 static int vop_csc_setup(const struct vop_csc_table *csc_table,
 578                          bool is_input_yuv, bool is_output_yuv,
 579                          int input_csc, int output_csc,
 580                          const uint32_t **y2r_table,
 581                          const uint32_t **r2r_table,
 582                          const uint32_t **r2y_table)
 583 {
 584         *y2r_table = NULL;
 585         *r2r_table = NULL;
 586         *r2y_table = NULL;
 587
 588         if (is_output_yuv) {
 589                 if (output_csc == CSC_BT2020) {
 590                         if (is_input_yuv) {
 591                                 if (input_csc == CSC_BT2020)
 592                                         return 0;
 593                                 *y2r_table = csc_table->y2r_bt709;
 594                         }
 595                         if (input_csc != CSC_BT2020)
 596                                 *r2r_table = csc_table->r2r_bt709_to_bt2020;
 597                         *r2y_table = csc_table->r2y_bt2020;
 598                 } else {
 599                         if (is_input_yuv && input_csc == CSC_BT2020)
 600                                 *y2r_table = csc_table->y2r_bt2020;
 601                         if (input_csc == CSC_BT2020)
 602                                 *r2r_table = csc_table->r2r_bt2020_to_bt709;
 603                         if (!is_input_yuv || *y2r_table) {
 604                                 if (output_csc == CSC_BT709)
 605                                         *r2y_table = csc_table->r2y_bt709;
 606                                 else
 607                                         *r2y_table = csc_table->r2y_bt601;
 608                         }
 609                 }
 610         } else {
 611                 if (!is_input_yuv)
 612                         return 0;
 613
 614                 /*
 615                  * is possible use bt2020 on rgb mode?
 616                  */
 617                 if (WARN_ON(output_csc == CSC_BT2020))
 618                         return -EINVAL;
 619
 620                 if (input_csc == CSC_BT2020)
 621                         *y2r_table = csc_table->y2r_bt2020;
 622                 else if (input_csc == CSC_BT709)
 623                         *y2r_table = csc_table->y2r_bt709;
 624                 else
 625                         *y2r_table = csc_table->y2r_bt601;
 626
 627                 if (input_csc == CSC_BT2020)
 628                         /*
 629                          * We don't have bt601 to bt709 table, force use bt709.
 630                          */
 631                         *r2r_table = csc_table->r2r_bt2020_to_bt709;
 632         }
 633
 634         return 0;
 635 }
 636
 637 static int vop_csc_atomic_check(struct drm_crtc *crtc,
 638                                 struct drm_crtc_state *crtc_state)
 639 {
 640         struct vop *vop = to_vop(crtc);
 641         struct drm_atomic_state *state = crtc_state->state;
 642         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
 643         const struct vop_csc_table *csc_table = vop->data->csc_table;
 644         struct drm_plane_state *pstate;
 645         struct drm_plane *plane;
 646         bool is_input_yuv, is_output_yuv;
 647         int ret;
 648
 649         if (!csc_table)
 650                 return 0;
 651
 652         is_output_yuv = is_yuv_output(s->bus_format);
 653
 654         drm_atomic_crtc_state_for_each_plane(plane, crtc_state) {
 655                 struct vop_plane_state *vop_plane_state;
 656
 657                 pstate = drm_atomic_get_plane_state(state, plane);
 658                 if (IS_ERR(pstate))
 659                         return PTR_ERR(pstate);
 660                 vop_plane_state = to_vop_plane_state(pstate);
 661
 662                 if (!pstate->fb)
 663                         continue;
 664                 is_input_yuv = is_yuv_support(pstate->fb->pixel_format);
 665
 666                 /*
 667                  * TODO: force set input and output csc mode.
 668                  */
 669                 ret = vop_csc_setup(csc_table, is_input_yuv, is_output_yuv,
 670                                     CSC_BT709, CSC_BT709,
 671                                     &vop_plane_state->y2r_table,
 672                                     &vop_plane_state->r2r_table,
 673                                     &vop_plane_state->r2y_table);
 674                 if (ret)
 675                         return ret;
 676         }
 677
 678         return 0;
 679 }
 680
 681 static void vop_dsp_hold_valid_irq_enable(struct vop *vop)
 682 {
 683         unsigned long flags;
 684
 685         spin_lock_irqsave(&vop->irq_lock, flags);
 686
 687         VOP_INTR_SET_TYPE(vop, clear, DSP_HOLD_VALID_INTR, 1);
 688         VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 1);
 689
 690         spin_unlock_irqrestore(&vop->irq_lock, flags);
 691 }
 692
 693 static void vop_dsp_hold_valid_irq_disable(struct vop *vop)
 694 {
 695         unsigned long flags;
 696
 697         spin_lock_irqsave(&vop->irq_lock, flags);
 698
 699         VOP_INTR_SET_TYPE(vop, enable, DSP_HOLD_VALID_INTR, 0);
 700
 701         spin_unlock_irqrestore(&vop->irq_lock, flags);
 702 }
 703
 704 /*
 705  * (1) each frame starts at the start of the Vsync pulse which is signaled by
 706  *     the "FRAME_SYNC" interrupt.
 707  * (2) the active data region of each frame ends at dsp_vact_end
 708  * (3) we should program this same number (dsp_vact_end) into dsp_line_frag_num,
 709  *      to get "LINE_FLAG" interrupt at the end of the active on screen data.
 710  *
 711  * VOP_INTR_CTRL0.dsp_line_frag_num = VOP_DSP_VACT_ST_END.dsp_vact_end
 712  * Interrupts
 713  * LINE_FLAG -------------------------------+
 714  * FRAME_SYNC ----+                         |
 715  *                |                         |
 716  *                v                         v
 717  *                | Vsync | Vbp |  Vactive  | Vfp |
 718  *                        ^     ^           ^     ^
 719  *                        |     |           |     |
 720  *                        |     |           |     |
 721  * dsp_vs_end ------------+     |           |     |   VOP_DSP_VTOTAL_VS_END
 722  * dsp_vact_start --------------+           |     |   VOP_DSP_VACT_ST_END
 723  * dsp_vact_end ----------------------------+     |   VOP_DSP_VACT_ST_END
 724  * dsp_total -------------------------------------+   VOP_DSP_VTOTAL_VS_END
 725  */
 726 static bool vop_line_flag_irq_is_enabled(struct vop *vop)
 727 {
 728         uint32_t line_flag_irq;
 729         unsigned long flags;
 730
 731         spin_lock_irqsave(&vop->irq_lock, flags);
 732
 733         line_flag_irq = VOP_INTR_GET_TYPE(vop, enable, LINE_FLAG_INTR);
 734
 735         spin_unlock_irqrestore(&vop->irq_lock, flags);
 736
 737         return !!line_flag_irq;
 738 }
 739
 740 static void vop_line_flag_irq_enable(struct vop *vop, int line_num)
 741 {
 742         unsigned long flags;
 743
 744         if (WARN_ON(!vop->is_enabled))
 745                 return;
 746
 747         spin_lock_irqsave(&vop->irq_lock, flags);
 748
 749         VOP_INTR_SET(vop, line_flag_num[0], line_num);
 750         VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
 751         VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
 752
 753         spin_unlock_irqrestore(&vop->irq_lock, flags);
 754 }
 755
 756 static void vop_line_flag_irq_disable(struct vop *vop)
 757 {
 758         unsigned long flags;
 759
 760         if (WARN_ON(!vop->is_enabled))
 761                 return;
 762
 763         spin_lock_irqsave(&vop->irq_lock, flags);
 764
 765         VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 0);
 766
 767         spin_unlock_irqrestore(&vop->irq_lock, flags);
 768 }
 769
 770 static void vop_power_enable(struct drm_crtc *crtc)
 771 {
 772         struct vop *vop = to_vop(crtc);
 773         int ret;
 774
 775         ret = clk_prepare_enable(vop->hclk);
 776         if (ret < 0) {
 777                 dev_err(vop->dev, "failed to enable hclk - %d\n", ret);
 778                 return;
 779         }
 780
 781         ret = clk_prepare_enable(vop->dclk);
 782         if (ret < 0) {
 783                 dev_err(vop->dev, "failed to enable dclk - %d\n", ret);
 784                 goto err_disable_hclk;
 785         }
 786
 787         ret = clk_prepare_enable(vop->aclk);
 788         if (ret < 0) {
 789                 dev_err(vop->dev, "failed to enable aclk - %d\n", ret);
 790                 goto err_disable_dclk;
 791         }
 792
 793         ret = pm_runtime_get_sync(vop->dev);
 794         if (ret < 0) {
 795                 dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
 796                 return;
 797         }
 798
 799         memcpy(vop->regsbak, vop->regs, vop->len);
 800
 801         vop->is_enabled = true;
 802
 803         return;
 804
 805 err_disable_dclk:
 806         clk_disable_unprepare(vop->dclk);
 807 err_disable_hclk:
 808         clk_disable_unprepare(vop->hclk);
 809 }
 810
 811 static void vop_initial(struct drm_crtc *crtc)
 812 {
 813         struct vop *vop = to_vop(crtc);
 814         int i;
 815
 816         vop_power_enable(crtc);
 817
 818         VOP_CTRL_SET(vop, global_regdone_en, 1);
 819         VOP_CTRL_SET(vop, dsp_blank, 0);
 820
 821         /*
 822          * We need to make sure that all windows are disabled before resume
 823          * the crtc. Otherwise we might try to scan from a destroyed
 824          * buffer later.
 825          */
 826         for (i = 0; i < vop->num_wins; i++) {
 827                 struct vop_win *win = &vop->win[i];
 828                 int channel = i * 2 + 1;
 829
 830                 VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel);
 831                 if (win->phy->scl && win->phy->scl->ext) {
 832                         VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE);
 833                         VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE);
 834                         VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE);
 835                         VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE);
 836                 }
 837                 VOP_WIN_SET(vop, win, enable, 0);
 838                 VOP_WIN_SET(vop, win, gate, 1);
 839         }
 840         VOP_CTRL_SET(vop, afbdc_en, 0);
 841 }
 842
 843 static void vop_crtc_disable(struct drm_crtc *crtc)
 844 {
 845         struct vop *vop = to_vop(crtc);
 846
 847         drm_crtc_vblank_off(crtc);
 848
 849         /*
 850          * Vop standby will take effect at end of current frame,
 851          * if dsp hold valid irq happen, it means standby complete.
 852          *
 853          * we must wait standby complete when we want to disable aclk,
 854          * if not, memory bus maybe dead.
 855          */
 856         reinit_completion(&vop->dsp_hold_completion);
 857         vop_dsp_hold_valid_irq_enable(vop);
 858
 859         spin_lock(&vop->reg_lock);
 860
 861         VOP_CTRL_SET(vop, standby, 1);
 862
 863         spin_unlock(&vop->reg_lock);
 864
 865         WARN_ON(!wait_for_completion_timeout(&vop->dsp_hold_completion,
 866                                              msecs_to_jiffies(50)));
 867
 868         vop_dsp_hold_valid_irq_disable(vop);
 869
 870         disable_irq(vop->irq);
 871
 872         vop->is_enabled = false;
 873         if (vop->is_iommu_enabled) {
 874                 /*
 875                  * vop standby complete, so iommu detach is safe.
 876                  */
 877                 rockchip_drm_dma_detach_device(vop->drm_dev, vop->dev);
 878                 vop->is_iommu_enabled = false;
 879         }
 880
 881         pm_runtime_put(vop->dev);
 882         clk_disable_unprepare(vop->dclk);
 883         clk_disable_unprepare(vop->aclk);
 884         clk_disable_unprepare(vop->hclk);
 885 }
 886
 887 static void vop_plane_destroy(struct drm_plane *plane)
 888 {
 889         drm_plane_cleanup(plane);
 890 }
 891
 892 static int vop_plane_prepare_fb(struct drm_plane *plane,
 893                                 const struct drm_plane_state *new_state)
 894 {
 895         if (plane->state->fb)
 896                 drm_framebuffer_reference(plane->state->fb);
 897
 898         return 0;
 899 }
 900
 901 static void vop_plane_cleanup_fb(struct drm_plane *plane,
 902                                  const struct drm_plane_state *old_state)
 903 {
 904         if (old_state->fb)
 905                 drm_framebuffer_unreference(old_state->fb);
 906 }
 907
 908 static int vop_plane_atomic_check(struct drm_plane *plane,
 909                            struct drm_plane_state *state)
 910 {
 911         struct drm_crtc *crtc = state->crtc;
 912         struct drm_framebuffer *fb = state->fb;
 913         struct vop_win *win = to_vop_win(plane);
 914         struct vop_plane_state *vop_plane_state = to_vop_plane_state(state);
 915         struct drm_crtc_state *crtc_state;
 916         const struct vop_data *vop_data;
 917         struct vop *vop;
 918         bool visible;
 919         int ret;
 920         struct drm_rect *dest = &vop_plane_state->dest;
 921         struct drm_rect *src = &vop_plane_state->src;
 922         struct drm_rect clip;
 923         int min_scale = win->phy->scl ? FRAC_16_16(1, 8) :
 924                                         DRM_PLANE_HELPER_NO_SCALING;
 925         int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
 926                                         DRM_PLANE_HELPER_NO_SCALING;
 927         unsigned long offset;
 928         dma_addr_t dma_addr;
 929
 930         crtc = crtc ? crtc : plane->state->crtc;
 931         /*
 932          * Both crtc or plane->state->crtc can be null.
 933          */
 934         if (!crtc || !fb)
 935                 goto out_disable;
 936
 937         crtc_state = drm_atomic_get_crtc_state(state->state, crtc);
 938         if (IS_ERR(crtc_state))
 939                 return PTR_ERR(crtc_state);
 940
 941         src->x1 = state->src_x;
 942         src->y1 = state->src_y;
 943         src->x2 = state->src_x + state->src_w;
 944         src->y2 = state->src_y + state->src_h;
 945         dest->x1 = state->crtc_x;
 946         dest->y1 = state->crtc_y;
 947         dest->x2 = state->crtc_x + state->crtc_w;
 948         dest->y2 = state->crtc_y + state->crtc_h;
 949
 950         clip.x1 = 0;
 951         clip.y1 = 0;
 952         clip.x2 = crtc_state->mode.hdisplay;
 953         clip.y2 = crtc_state->mode.vdisplay;
 954
 955         ret = drm_plane_helper_check_update(plane, crtc, state->fb,
 956                                             src, dest, &clip,
 957                                             min_scale,
 958                                             max_scale,
 959                                             true, true, &visible);
 960         if (ret)
 961                 return ret;
 962
 963         if (!visible)
 964                 goto out_disable;
 965
 966         vop_plane_state->format = vop_convert_format(fb->pixel_format);
 967         if (vop_plane_state->format < 0)
 968                 return vop_plane_state->format;
 969
 970         vop = to_vop(crtc);
 971         vop_data = vop->data;
 972
 973         if (drm_rect_width(src) >> 16 > vop_data->max_input.width ||
 974             drm_rect_height(src) >> 16 > vop_data->max_input.height) {
 975                 DRM_ERROR("Invalid source: %dx%d. max input: %dx%d\n",
 976                           drm_rect_width(src) >> 16,
 977                           drm_rect_height(src) >> 16,
 978                           vop_data->max_input.width,
 979                           vop_data->max_input.height);
 980                 return -EINVAL;
 981         }
 982
 983         /*
 984          * Src.x1 can be odd when do clip, but yuv plane start point
 985          * need align with 2 pixel.
 986          */
 987         if (is_yuv_support(fb->pixel_format) && ((src->x1 >> 16) % 2)) {
 988                 DRM_ERROR("Invalid Source: Yuv format Can't support odd xpos\n");
 989                 return -EINVAL;
 990         }
 991
 992         offset = (src->x1 >> 16) * drm_format_plane_bpp(fb->pixel_format, 0) / 8;
 993         if (state->rotation & BIT(DRM_REFLECT_Y))
 994                 offset += ((src->y2 >> 16) - 1) * fb->pitches[0];
 995         else
 996                 offset += (src->y1 >> 16) * fb->pitches[0];
 997
 998         dma_addr = rockchip_fb_get_dma_addr(fb, 0);
 999         vop_plane_state->yrgb_mst = dma_addr + offset + fb->offsets[0];
1000         if (is_yuv_support(fb->pixel_format)) {
1001                 int hsub = drm_format_horz_chroma_subsampling(fb->pixel_format);
1002                 int vsub = drm_format_vert_chroma_subsampling(fb->pixel_format);
1003                 int bpp = drm_format_plane_bpp(fb->pixel_format, 1);
1004
1005                 offset = (src->x1 >> 16) * bpp / hsub / 8;
1006                 offset += (src->y1 >> 16) * fb->pitches[1] / vsub;
1007
1008                 dma_addr = rockchip_fb_get_dma_addr(fb, 1);
1009                 dma_addr += offset + fb->offsets[1];
1010                 vop_plane_state->uv_mst = dma_addr;
1011         }
1012
1013         vop_plane_state->enable = true;
1014
1015         return 0;
1016
1017 out_disable:
1018         vop_plane_state->enable = false;
1019         return 0;
1020 }
1021
1022 static void vop_plane_atomic_disable(struct drm_plane *plane,
1023                                      struct drm_plane_state *old_state)
1024 {
1025         struct vop_plane_state *vop_plane_state = to_vop_plane_state(old_state);
1026         struct vop_win *win = to_vop_win(plane);
1027         struct vop *vop = to_vop(old_state->crtc);
1028
1029         if (!old_state->crtc)
1030                 return;
1031
1032         spin_lock(&vop->reg_lock);
1033
1034         /*
1035          * FIXUP: some of the vop scale would be abnormal after windows power
1036          * on/off so deinit scale to scale_none mode.
1037          */
1038         if (win->phy->scl && win->phy->scl->ext) {
1039                 VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE);
1040                 VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE);
1041                 VOP_SCL_SET_EXT(vop, win, cbcr_hor_scl_mode, SCALE_NONE);
1042                 VOP_SCL_SET_EXT(vop, win, cbcr_ver_scl_mode, SCALE_NONE);
1043         }
1044         VOP_WIN_SET(vop, win, enable, 0);
1045
1046         spin_unlock(&vop->reg_lock);
1047
1048         vop_plane_state->enable = false;
1049 }
1050
1051 static void vop_plane_atomic_update(struct drm_plane *plane,
1052                 struct drm_plane_state *old_state)
1053 {
1054         struct drm_plane_state *state = plane->state;
1055         struct drm_crtc *crtc = state->crtc;
1056         struct vop_win *win = to_vop_win(plane);
1057         struct vop_plane_state *vop_plane_state = to_vop_plane_state(state);
1058         struct rockchip_crtc_state *s;
1059         struct vop *vop;
1060         struct drm_framebuffer *fb = state->fb;
1061         unsigned int actual_w, actual_h;
1062         unsigned int dsp_stx, dsp_sty;
1063         uint32_t act_info, dsp_info, dsp_st;
1064         struct drm_rect *src = &vop_plane_state->src;
1065         struct drm_rect *dest = &vop_plane_state->dest;
1066         const uint32_t *y2r_table = vop_plane_state->y2r_table;
1067         const uint32_t *r2r_table = vop_plane_state->r2r_table;
1068         const uint32_t *r2y_table = vop_plane_state->r2y_table;
1069         int ymirror, xmirror;
1070         uint32_t val;
1071         bool rb_swap;
1072
1073         /*
1074          * can't update plane when vop is disabled.
1075          */
1076         if (!crtc)
1077                 return;
1078
1079         if (!vop_plane_state->enable) {
1080                 vop_plane_atomic_disable(plane, old_state);
1081                 return;
1082         }
1083
1084         actual_w = drm_rect_width(src) >> 16;
1085         actual_h = drm_rect_height(src) >> 16;
1086         act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
1087
1088         dsp_info = (drm_rect_height(dest) - 1) << 16;
1089         dsp_info |= (drm_rect_width(dest) - 1) & 0xffff;
1090
1091         dsp_stx = dest->x1 + crtc->mode.htotal - crtc->mode.hsync_start;
1092         dsp_sty = dest->y1 + crtc->mode.vtotal - crtc->mode.vsync_start;
1093         dsp_st = dsp_sty << 16 | (dsp_stx & 0xffff);
1094
1095         ymirror = !!(state->rotation & BIT(DRM_REFLECT_Y));
1096         xmirror = !!(state->rotation & BIT(DRM_REFLECT_X));
1097
1098         vop = to_vop(state->crtc);
1099         s = to_rockchip_crtc_state(crtc->state);
1100
1101         spin_lock(&vop->reg_lock);
1102
1103         VOP_WIN_SET(vop, win, xmirror, xmirror);
1104         VOP_WIN_SET(vop, win, ymirror, ymirror);
1105         VOP_WIN_SET(vop, win, format, vop_plane_state->format);
1106         VOP_WIN_SET(vop, win, yrgb_vir, fb->pitches[0] >> 2);
1107         VOP_WIN_SET(vop, win, yrgb_mst, vop_plane_state->yrgb_mst);
1108         if (is_yuv_support(fb->pixel_format)) {
1109                 VOP_WIN_SET(vop, win, uv_vir, fb->pitches[1] >> 2);
1110                 VOP_WIN_SET(vop, win, uv_mst, vop_plane_state->uv_mst);
1111         }
1112         VOP_WIN_SET(vop, win, fmt_10, is_yuv_10bit(fb->pixel_format));
1113
1114         scl_vop_cal_scl_fac(vop, win, actual_w, actual_h,
1115                             drm_rect_width(dest), drm_rect_height(dest),
1116                             fb->pixel_format);
1117
1118         VOP_WIN_SET(vop, win, act_info, act_info);
1119         VOP_WIN_SET(vop, win, dsp_info, dsp_info);
1120         VOP_WIN_SET(vop, win, dsp_st, dsp_st);
1121
1122         rb_swap = has_rb_swapped(fb->pixel_format);
1123         VOP_WIN_SET(vop, win, rb_swap, rb_swap);
1124
1125         if (is_alpha_support(fb->pixel_format) &&
1126             (s->dsp_layer_sel & 0x3) != win->win_id) {
1127                 VOP_WIN_SET(vop, win, dst_alpha_ctl,
1128                             DST_FACTOR_M0(ALPHA_SRC_INVERSE));
1129                 val = SRC_ALPHA_EN(1) | SRC_COLOR_M0(ALPHA_SRC_PRE_MUL) |
1130                         SRC_ALPHA_M0(ALPHA_STRAIGHT) |
1131                         SRC_BLEND_M0(ALPHA_PER_PIX) |
1132                         SRC_ALPHA_CAL_M0(ALPHA_NO_SATURATION) |
1133                         SRC_FACTOR_M0(ALPHA_ONE);
1134                 VOP_WIN_SET(vop, win, src_alpha_ctl, val);
1135                 VOP_WIN_SET(vop, win, alpha_mode, 1);
1136                 VOP_WIN_SET(vop, win, alpha_en, 1);
1137         } else {
1138                 VOP_WIN_SET(vop, win, src_alpha_ctl, SRC_ALPHA_EN(0));
1139                 VOP_WIN_SET(vop, win, alpha_en, 0);
1140         }
1141
1142         if (win->csc) {
1143                 vop_load_csc_table(vop, win->csc->y2r_offset, y2r_table);
1144                 vop_load_csc_table(vop, win->csc->r2r_offset, r2r_table);
1145                 vop_load_csc_table(vop, win->csc->r2y_offset, r2y_table);
1146                 VOP_WIN_SET_EXT(vop, win, csc, y2r_en, !!y2r_table);
1147                 VOP_WIN_SET_EXT(vop, win, csc, r2r_en, !!r2r_table);
1148                 VOP_WIN_SET_EXT(vop, win, csc, r2y_en, !!r2y_table);
1149         }
1150         VOP_WIN_SET(vop, win, enable, 1);
1151         spin_unlock(&vop->reg_lock);
1152         vop->is_iommu_needed = true;
1153 }
1154
1155 static const struct drm_plane_helper_funcs plane_helper_funcs = {
1156         .prepare_fb = vop_plane_prepare_fb,
1157         .cleanup_fb = vop_plane_cleanup_fb,
1158         .atomic_check = vop_plane_atomic_check,
1159         .atomic_update = vop_plane_atomic_update,
1160         .atomic_disable = vop_plane_atomic_disable,
1161 };
1162
1163 void vop_atomic_plane_reset(struct drm_plane *plane)
1164 {
1165         struct vop_win *win = to_vop_win(plane);
1166         struct vop_plane_state *vop_plane_state =
1167                                         to_vop_plane_state(plane->state);
1168
1169         if (plane->state && plane->state->fb)
1170                 drm_framebuffer_unreference(plane->state->fb);
1171
1172         kfree(vop_plane_state);
1173         vop_plane_state = kzalloc(sizeof(*vop_plane_state), GFP_KERNEL);
1174         if (!vop_plane_state)
1175                 return;
1176
1177         vop_plane_state->zpos = win->win_id;
1178         plane->state = &vop_plane_state->base;
1179         plane->state->plane = plane;
1180 }
1181
1182 struct drm_plane_state *
1183 vop_atomic_plane_duplicate_state(struct drm_plane *plane)
1184 {
1185         struct vop_plane_state *old_vop_plane_state;
1186         struct vop_plane_state *vop_plane_state;
1187
1188         if (WARN_ON(!plane->state))
1189                 return NULL;
1190
1191         old_vop_plane_state = to_vop_plane_state(plane->state);
1192         vop_plane_state = kmemdup(old_vop_plane_state,
1193                                   sizeof(*vop_plane_state), GFP_KERNEL);
1194         if (!vop_plane_state)
1195                 return NULL;
1196
1197         __drm_atomic_helper_plane_duplicate_state(plane,
1198                                                   &vop_plane_state->base);
1199
1200         return &vop_plane_state->base;
1201 }
1202
1203 static void vop_atomic_plane_destroy_state(struct drm_plane *plane,
1204                                            struct drm_plane_state *state)
1205 {
1206         struct vop_plane_state *vop_state = to_vop_plane_state(state);
1207
1208         __drm_atomic_helper_plane_destroy_state(plane, state);
1209
1210         kfree(vop_state);
1211 }
1212
1213 static int vop_atomic_plane_set_property(struct drm_plane *plane,
1214                                          struct drm_plane_state *state,
1215                                          struct drm_property *property,
1216                                          uint64_t val)
1217 {
1218         struct vop_win *win = to_vop_win(plane);
1219         struct vop_plane_state *plane_state = to_vop_plane_state(state);
1220
1221         if (property == win->vop->plane_zpos_prop) {
1222                 plane_state->zpos = val;
1223                 return 0;
1224         }
1225
1226         if (property == win->rotation_prop) {
1227                 state->rotation = val;
1228                 return 0;
1229         }
1230
1231         DRM_ERROR("failed to set vop plane property\n");
1232         return -EINVAL;
1233 }
1234
1235 static int vop_atomic_plane_get_property(struct drm_plane *plane,
1236                                          const struct drm_plane_state *state,
1237                                          struct drm_property *property,
1238                                          uint64_t *val)
1239 {
1240         struct vop_win *win = to_vop_win(plane);
1241         struct vop_plane_state *plane_state = to_vop_plane_state(state);
1242
1243         if (property == win->vop->plane_zpos_prop) {
1244                 *val = plane_state->zpos;
1245                 return 0;
1246         }
1247
1248         if (property == win->rotation_prop) {
1249                 *val = state->rotation;
1250                 return 0;
1251         }
1252
1253         DRM_ERROR("failed to get vop plane property\n");
1254         return -EINVAL;
1255 }
1256
1257 static const struct drm_plane_funcs vop_plane_funcs = {
1258         .update_plane   = drm_atomic_helper_update_plane,
1259         .disable_plane  = drm_atomic_helper_disable_plane,
1260         .destroy = vop_plane_destroy,
1261         .reset = vop_atomic_plane_reset,
1262         .atomic_duplicate_state = vop_atomic_plane_duplicate_state,
1263         .atomic_destroy_state = vop_atomic_plane_destroy_state,
1264         .atomic_set_property = vop_atomic_plane_set_property,
1265         .atomic_get_property = vop_atomic_plane_get_property,
1266 };
1267
1268 static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
1269 {
1270         struct vop *vop = to_vop(crtc);
1271         unsigned long flags;
1272
1273         if (!vop->is_enabled)
1274                 return -EPERM;
1275
1276         spin_lock_irqsave(&vop->irq_lock, flags);
1277
1278         VOP_INTR_SET_TYPE(vop, clear, FS_INTR, 1);
1279         VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 1);
1280
1281         spin_unlock_irqrestore(&vop->irq_lock, flags);
1282
1283         return 0;
1284 }
1285
1286 static void vop_crtc_disable_vblank(struct drm_crtc *crtc)
1287 {
1288         struct vop *vop = to_vop(crtc);
1289         unsigned long flags;
1290
1291         if (!vop->is_enabled)
1292                 return;
1293
1294         spin_lock_irqsave(&vop->irq_lock, flags);
1295
1296         VOP_INTR_SET_TYPE(vop, enable, FS_INTR, 0);
1297
1298         spin_unlock_irqrestore(&vop->irq_lock, flags);
1299 }
1300
1301 static void vop_crtc_wait_for_update(struct drm_crtc *crtc)
1302 {
1303         struct vop *vop = to_vop(crtc);
1304
1305         reinit_completion(&vop->wait_update_complete);
1306         WARN_ON(!wait_for_completion_timeout(&vop->wait_update_complete, 100));
1307 }
1308
1309 static void vop_crtc_cancel_pending_vblank(struct drm_crtc *crtc,
1310                                            struct drm_file *file_priv)
1311 {
1312         struct drm_device *drm = crtc->dev;
1313         struct vop *vop = to_vop(crtc);
1314         struct drm_pending_vblank_event *e;
1315         unsigned long flags;
1316
1317         spin_lock_irqsave(&drm->event_lock, flags);
1318         e = vop->event;
1319         if (e && e->base.file_priv == file_priv) {
1320                 vop->event = NULL;
1321
1322                 e->base.destroy(&e->base);
1323                 file_priv->event_space += sizeof(e->event);
1324         }
1325         spin_unlock_irqrestore(&drm->event_lock, flags);
1326 }
1327
1328 static int vop_crtc_loader_protect(struct drm_crtc *crtc, bool on)
1329 {
1330         struct vop *vop = to_vop(crtc);
1331
1332         if (on == vop->loader_protect)
1333                 return 0;
1334
1335         if (on) {
1336                 vop_power_enable(crtc);
1337                 enable_irq(vop->irq);
1338                 drm_crtc_vblank_on(crtc);
1339                 vop->loader_protect = true;
1340         } else {
1341                 vop_crtc_disable(crtc);
1342
1343                 vop->loader_protect = false;
1344         }
1345
1346         return 0;
1347 }
1348
1349 static int vop_plane_info_dump(struct seq_file *s, struct drm_plane *plane)
1350 {
1351         struct vop_win *win = to_vop_win(plane);
1352         struct drm_plane_state *state = plane->state;
1353         struct vop_plane_state *pstate = to_vop_plane_state(state);
1354         struct drm_rect *src, *dest;
1355         struct drm_framebuffer *fb = state->fb;
1356         int i;
1357
1358         seq_printf(s, "    win%d-%d: %s\n", win->win_id, win->area_id,
1359                    pstate->enable ? "ACTIVE" : "DISABLED");
1360         if (!fb)
1361                 return 0;
1362
1363         src = &pstate->src;
1364         dest = &pstate->dest;
1365
1366         seq_printf(s, "\tformat: %s%s\n", drm_get_format_name(fb->pixel_format),
1367                    fb->modifier[0] == DRM_FORMAT_MOD_ARM_AFBC ? "[AFBC]" : "");
1368         seq_printf(s, "\tzpos: %d\n", pstate->zpos);
1369         seq_printf(s, "\tsrc: pos[%dx%d] rect[%dx%d]\n", src->x1 >> 16,
1370                    src->y1 >> 16, drm_rect_width(src) >> 16,
1371                    drm_rect_height(src) >> 16);
1372         seq_printf(s, "\tdst: pos[%dx%d] rect[%dx%d]\n", dest->x1, dest->y1,
1373                    drm_rect_width(dest), drm_rect_height(dest));
1374
1375         for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) {
1376                 dma_addr_t fb_addr = rockchip_fb_get_dma_addr(fb, i);
1377                 seq_printf(s, "\tbuf[%d]: addr: %pad pitch: %d offset: %d\n",
1378                            i, &fb_addr, fb->pitches[i], fb->offsets[i]);
1379         }
1380
1381         return 0;
1382 }
1383
1384 static int vop_crtc_debugfs_dump(struct drm_crtc *crtc, struct seq_file *s)
1385 {
1386         struct vop *vop = to_vop(crtc);
1387         struct drm_crtc_state *crtc_state = crtc->state;
1388         struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1389         struct rockchip_crtc_state *state = to_rockchip_crtc_state(crtc->state);
1390         bool interlaced = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
1391         struct drm_plane *plane;
1392         int i;
1393
1394         seq_printf(s, "VOP [%s]: %s\n", dev_name(vop->dev),
1395                    crtc_state->active ? "ACTIVE" : "DISABLED");
1396
1397         if (!crtc_state->active)
1398                 return 0;
1399
1400         seq_printf(s, "    Connector: %s\n",
1401                    drm_get_connector_name(state->output_type));
1402         seq_printf(s, "\tbus_format[%x] output_mode[%x]\n",
1403                    state->bus_format, state->output_mode);
1404         seq_printf(s, "    Display mode: %dx%d%s%d\n",
1405                    mode->hdisplay, mode->vdisplay, interlaced ? "i" : "p",
1406                    drm_mode_vrefresh(mode));
1407         seq_printf(s, "\tclk[%d] real_clk[%d] type[%x] flag[%x]\n",
1408                    mode->clock, mode->crtc_clock, mode->type, mode->flags);
1409         seq_printf(s, "\tH: %d %d %d %d\n", mode->hdisplay, mode->hsync_start,
1410                    mode->hsync_end, mode->htotal);
1411         seq_printf(s, "\tV: %d %d %d %d\n", mode->vdisplay, mode->vsync_start,
1412                    mode->vsync_end, mode->vtotal);
1413
1414         for (i = 0; i < vop->num_wins; i++) {
1415                 plane = &vop->win[i].base;
1416                 vop_plane_info_dump(s, plane);
1417         }
1418
1419         return 0;
1420 }
1421
1422 static enum drm_mode_status
1423 vop_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode,
1424                     int output_type)
1425 {
1426         struct vop *vop = to_vop(crtc);
1427         const struct vop_data *vop_data = vop->data;
1428         int request_clock = mode->clock;
1429         int clock;
1430
1431         if (mode->hdisplay > vop_data->max_output.width)
1432                 return MODE_BAD_HVALUE;
1433         if (mode->vdisplay > vop_data->max_output.height)
1434                 return MODE_BAD_VVALUE;
1435
1436         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
1437                 request_clock *= 2;
1438         clock = clk_round_rate(vop->dclk, request_clock * 1000) / 1000;
1439
1440         /*
1441          * Hdmi or DisplayPort request a Accurate clock.
1442          */
1443         if (output_type == DRM_MODE_CONNECTOR_HDMIA ||
1444             output_type == DRM_MODE_CONNECTOR_DisplayPort)
1445                 if (clock != request_clock)
1446                         return MODE_CLOCK_RANGE;
1447
1448         return MODE_OK;
1449 }
1450
1451 static const struct rockchip_crtc_funcs private_crtc_funcs = {
1452         .loader_protect = vop_crtc_loader_protect,
1453         .enable_vblank = vop_crtc_enable_vblank,
1454         .disable_vblank = vop_crtc_disable_vblank,
1455         .wait_for_update = vop_crtc_wait_for_update,
1456         .cancel_pending_vblank = vop_crtc_cancel_pending_vblank,
1457         .debugfs_dump = vop_crtc_debugfs_dump,
1458         .mode_valid = vop_crtc_mode_valid,
1459 };
1460
1461 static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
1462                                 const struct drm_display_mode *mode,
1463                                 struct drm_display_mode *adjusted_mode)
1464 {
1465         struct vop *vop = to_vop(crtc);
1466         const struct vop_data *vop_data = vop->data;
1467         int request_clock = mode->clock;
1468
1469         if (mode->hdisplay > vop_data->max_output.width ||
1470             mode->vdisplay > vop_data->max_output.height)
1471                 return false;
1472
1473         if (mode->flags & DRM_MODE_FLAG_DBLCLK)
1474                 request_clock *= 2;
1475         adjusted_mode->crtc_clock =
1476                 clk_round_rate(vop->dclk, request_clock * 1000) / 1000;
1477
1478         return true;
1479 }
1480
1481 static void vop_crtc_enable(struct drm_crtc *crtc)
1482 {
1483         struct vop *vop = to_vop(crtc);
1484         const struct vop_data *vop_data = vop->data;
1485         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
1486         struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
1487         u16 hsync_len = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
1488         u16 hdisplay = adjusted_mode->crtc_hdisplay;
1489         u16 htotal = adjusted_mode->crtc_htotal;
1490         u16 hact_st = adjusted_mode->crtc_htotal - adjusted_mode->crtc_hsync_start;
1491         u16 hact_end = hact_st + hdisplay;
1492         u16 vdisplay = adjusted_mode->crtc_vdisplay;
1493         u16 vtotal = adjusted_mode->crtc_vtotal;
1494         u16 vsync_len = adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
1495         u16 vact_st = adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vsync_start;
1496         u16 vact_end = vact_st + vdisplay;
1497         uint32_t val;
1498
1499         vop_initial(crtc);
1500
1501         val = BIT(DCLK_INVERT);
1502         val |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ?
1503                    0 : BIT(HSYNC_POSITIVE);
1504         val |= (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) ?
1505                    0 : BIT(VSYNC_POSITIVE);
1506         VOP_CTRL_SET(vop, pin_pol, val);
1507         switch (s->output_type) {
1508         case DRM_MODE_CONNECTOR_LVDS:
1509                 VOP_CTRL_SET(vop, rgb_en, 1);
1510                 VOP_CTRL_SET(vop, rgb_pin_pol, val);
1511                 break;
1512         case DRM_MODE_CONNECTOR_eDP:
1513                 VOP_CTRL_SET(vop, edp_en, 1);
1514                 VOP_CTRL_SET(vop, edp_pin_pol, val);
1515                 break;
1516         case DRM_MODE_CONNECTOR_HDMIA:
1517                 VOP_CTRL_SET(vop, hdmi_en, 1);
1518                 VOP_CTRL_SET(vop, hdmi_pin_pol, val);
1519                 break;
1520         case DRM_MODE_CONNECTOR_DSI:
1521                 VOP_CTRL_SET(vop, mipi_en, 1);
1522                 VOP_CTRL_SET(vop, mipi_pin_pol, val);
1523                 break;
1524         case DRM_MODE_CONNECTOR_DisplayPort:
1525                 val &= ~BIT(DCLK_INVERT);
1526                 VOP_CTRL_SET(vop, dp_pin_pol, val);
1527                 VOP_CTRL_SET(vop, dp_en, 1);
1528                 break;
1529         default:
1530                 DRM_ERROR("unsupport connector_type[%d]\n", s->output_type);
1531         }
1532
1533         if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
1534             !(vop_data->feature & VOP_FEATURE_OUTPUT_10BIT))
1535                 s->output_mode = ROCKCHIP_OUT_MODE_P888;
1536
1537         VOP_CTRL_SET(vop, out_mode, s->output_mode);
1538         switch (s->bus_format) {
1539         case MEDIA_BUS_FMT_RGB565_1X16:
1540                 val = DITHER_DOWN_EN(1) | DITHER_DOWN_MODE(RGB888_TO_RGB565);
1541                 break;
1542         case MEDIA_BUS_FMT_RGB666_1X18:
1543         case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
1544                 val = DITHER_DOWN_EN(1) | DITHER_DOWN_MODE(RGB888_TO_RGB666);
1545                 break;
1546         case MEDIA_BUS_FMT_YUV8_1X24:
1547                 val = DITHER_DOWN_EN(0) | PRE_DITHER_DOWN_EN(1);
1548                 break;
1549         case MEDIA_BUS_FMT_YUV10_1X30:
1550                 val = DITHER_DOWN_EN(0) | PRE_DITHER_DOWN_EN(0);
1551                 break;
1552         case MEDIA_BUS_FMT_RGB888_1X24:
1553         default:
1554                 val = DITHER_DOWN_EN(0) | PRE_DITHER_DOWN_EN(0);
1555                 break;
1556         }
1557
1558         if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA)
1559                 val |= PRE_DITHER_DOWN_EN(0);
1560         else
1561                 val |= PRE_DITHER_DOWN_EN(1);
1562         val |= DITHER_DOWN_MODE_SEL(DITHER_DOWN_ALLEGRO);
1563         VOP_CTRL_SET(vop, dither_down, val);
1564         VOP_CTRL_SET(vop, dclk_ddr,
1565                      s->output_mode == ROCKCHIP_OUT_MODE_YUV420 ? 1 : 0);
1566         VOP_CTRL_SET(vop, overlay_mode, is_yuv_output(s->bus_format));
1567         VOP_CTRL_SET(vop, dsp_out_yuv, is_yuv_output(s->bus_format));
1568         VOP_CTRL_SET(vop, dsp_background,
1569                      is_yuv_output(s->bus_format) ? 0x20010200 : 0);
1570
1571         VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len);
1572         val = hact_st << 16;
1573         val |= hact_end;
1574         VOP_CTRL_SET(vop, hact_st_end, val);
1575         VOP_CTRL_SET(vop, hpost_st_end, val);
1576
1577         VOP_CTRL_SET(vop, vtotal_pw, (adjusted_mode->vtotal << 16) | vsync_len);
1578         val = vact_st << 16;
1579         val |= vact_end;
1580         VOP_CTRL_SET(vop, vact_st_end, val);
1581         VOP_CTRL_SET(vop, vpost_st_end, val);
1582         if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
1583                 u16 vact_st_f1 = vtotal + vact_st + 1;
1584                 u16 vact_end_f1 = vact_st_f1 + vdisplay;
1585
1586                 val = vact_st_f1 << 16 | vact_end_f1;
1587                 VOP_CTRL_SET(vop, vact_st_end_f1, val);
1588                 VOP_CTRL_SET(vop, vpost_st_end_f1, val);
1589
1590                 val = vtotal << 16 | (vtotal + vsync_len);
1591                 VOP_CTRL_SET(vop, vs_st_end_f1, val);
1592                 VOP_CTRL_SET(vop, dsp_interlace, 1);
1593                 VOP_CTRL_SET(vop, p2i_en, 1);
1594         } else {
1595                 VOP_CTRL_SET(vop, dsp_interlace, 0);
1596                 VOP_CTRL_SET(vop, p2i_en, 0);
1597         }
1598
1599         VOP_CTRL_SET(vop, core_dclk_div,
1600                      !!(adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK));
1601
1602         clk_set_rate(vop->dclk, adjusted_mode->crtc_clock * 1000);
1603
1604         vop_cfg_done(vop);
1605         /*
1606          * enable vop, all the register would take effect when vop exit standby
1607          */
1608         VOP_CTRL_SET(vop, standby, 0);
1609
1610         enable_irq(vop->irq);
1611         drm_crtc_vblank_on(crtc);
1612 }
1613
1614 static int vop_zpos_cmp(const void *a, const void *b)
1615 {
1616         struct vop_zpos *pa = (struct vop_zpos *)a;
1617         struct vop_zpos *pb = (struct vop_zpos *)b;
1618
1619         return pa->zpos - pb->zpos;
1620 }
1621
1622 static int vop_afbdc_atomic_check(struct drm_crtc *crtc,
1623                                   struct drm_crtc_state *crtc_state)
1624 {
1625         struct vop *vop = to_vop(crtc);
1626         const struct vop_data *vop_data = vop->data;
1627         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
1628         struct drm_atomic_state *state = crtc_state->state;
1629         struct drm_plane *plane;
1630         struct drm_plane_state *pstate;
1631         struct vop_plane_state *plane_state;
1632         struct vop_win *win;
1633         int afbdc_format;
1634         int i;
1635
1636         s->afbdc_en = 0;
1637
1638         for_each_plane_in_state(state, plane, pstate, i) {
1639                 struct drm_framebuffer *fb = pstate->fb;
1640                 struct drm_rect *src;
1641
1642                 win = to_vop_win(plane);
1643                 plane_state = to_vop_plane_state(pstate);
1644
1645                 if (pstate->crtc != crtc || !fb)
1646                         continue;
1647
1648                 if (fb->modifier[0] != DRM_FORMAT_MOD_ARM_AFBC)
1649                         continue;
1650
1651                 if (!(vop_data->feature & VOP_FEATURE_AFBDC)) {
1652                         DRM_ERROR("not support afbdc\n");
1653                         return -EINVAL;
1654                 }
1655
1656                 switch (plane_state->format) {
1657                 case VOP_FMT_ARGB8888:
1658                         afbdc_format = AFBDC_FMT_U8U8U8U8;
1659                         break;
1660                 case VOP_FMT_RGB888:
1661                         afbdc_format = AFBDC_FMT_U8U8U8;
1662                         break;
1663                 case VOP_FMT_RGB565:
1664                         afbdc_format = AFBDC_FMT_RGB565;
1665                         break;
1666                 default:
1667                         return -EINVAL;
1668                 }
1669
1670                 if (s->afbdc_en) {
1671                         DRM_ERROR("vop only support one afbc layer\n");
1672                         return -EINVAL;
1673                 }
1674
1675                 src = &plane_state->src;
1676                 if (src->x1 || src->y1 || fb->offsets[0]) {
1677                         DRM_ERROR("win[%d] afbdc not support offset display\n",
1678                                   win->win_id);
1679                         DRM_ERROR("xpos=%d, ypos=%d, offset=%d\n",
1680                                   src->x1, src->y1, fb->offsets[0]);
1681                         return -EINVAL;
1682                 }
1683                 s->afbdc_win_format = afbdc_format;
1684                 s->afbdc_win_width = pstate->fb->width - 1;
1685                 s->afbdc_win_height = (drm_rect_height(src) >> 16) - 1;
1686                 s->afbdc_win_id = win->win_id;
1687                 s->afbdc_win_ptr = plane_state->yrgb_mst;
1688                 s->afbdc_en = 1;
1689         }
1690
1691         return 0;
1692 }
1693
1694 static int vop_crtc_atomic_check(struct drm_crtc *crtc,
1695                                  struct drm_crtc_state *crtc_state)
1696 {
1697         struct drm_atomic_state *state = crtc_state->state;
1698         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
1699         struct vop *vop = to_vop(crtc);
1700         const struct vop_data *vop_data = vop->data;
1701         struct drm_plane *plane;
1702         struct drm_plane_state *pstate;
1703         struct vop_plane_state *plane_state;
1704         struct vop_zpos *pzpos;
1705         int dsp_layer_sel = 0;
1706         int i, j, cnt = 0, ret = 0;
1707
1708         ret = vop_afbdc_atomic_check(crtc, crtc_state);
1709         if (ret)
1710                 return ret;
1711
1712         ret = vop_csc_atomic_check(crtc, crtc_state);
1713         if (ret)
1714                 return ret;
1715
1716         pzpos = kmalloc_array(vop_data->win_size, sizeof(*pzpos), GFP_KERNEL);
1717         if (!pzpos)
1718                 return -ENOMEM;
1719
1720         for (i = 0; i < vop_data->win_size; i++) {
1721                 const struct vop_win_data *win_data = &vop_data->win[i];
1722                 struct vop_win *win;
1723
1724                 if (!win_data->phy)
1725                         continue;
1726
1727                 for (j = 0; j < vop->num_wins; j++) {
1728                         win = &vop->win[j];
1729
1730                         if (win->win_id == i && !win->area_id)
1731                                 break;
1732                 }
1733                 if (WARN_ON(j >= vop->num_wins)) {
1734                         ret = -EINVAL;
1735                         goto err_free_pzpos;
1736                 }
1737
1738                 plane = &win->base;
1739                 pstate = state->plane_states[drm_plane_index(plane)];
1740                 /*
1741                  * plane might not have changed, in which case take
1742                  * current state:
1743                  */
1744                 if (!pstate)
1745                         pstate = plane->state;
1746                 plane_state = to_vop_plane_state(pstate);
1747                 pzpos[cnt].zpos = plane_state->zpos;
1748                 pzpos[cnt++].win_id = win->win_id;
1749         }
1750
1751         sort(pzpos, cnt, sizeof(pzpos[0]), vop_zpos_cmp, NULL);
1752
1753         for (i = 0, cnt = 0; i < vop_data->win_size; i++) {
1754                 const struct vop_win_data *win_data = &vop_data->win[i];
1755                 int shift = i * 2;
1756
1757                 if (win_data->phy) {
1758                         struct vop_zpos *zpos = &pzpos[cnt++];
1759
1760                         dsp_layer_sel |= zpos->win_id << shift;
1761                 } else {
1762                         dsp_layer_sel |= i << shift;
1763                 }
1764         }
1765
1766         s->dsp_layer_sel = dsp_layer_sel;
1767
1768 err_free_pzpos:
1769         kfree(pzpos);
1770         return ret;
1771 }
1772
1773 static void vop_post_config(struct drm_crtc *crtc)
1774 {
1775         struct vop *vop = to_vop(crtc);
1776         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
1777         struct drm_display_mode *mode = &crtc->state->adjusted_mode;
1778         u16 vtotal = mode->crtc_vtotal;
1779         u16 hdisplay = mode->crtc_hdisplay;
1780         u16 hact_st = mode->crtc_htotal - mode->crtc_hsync_start;
1781         u16 vdisplay = mode->crtc_vdisplay;
1782         u16 vact_st = mode->crtc_vtotal - mode->crtc_vsync_start;
1783         u16 hsize = hdisplay * (s->left_margin + s->right_margin) / 200;
1784         u16 vsize = vdisplay * (s->top_margin + s->bottom_margin) / 200;
1785         u16 hact_end, vact_end;
1786         u32 val;
1787
1788         hact_st += hdisplay * (100 - s->left_margin) / 200;
1789         hact_end = hact_st + hsize;
1790         val = hact_st << 16;
1791         val |= hact_end;
1792         VOP_CTRL_SET(vop, hpost_st_end, val);
1793         vact_st += vdisplay * (100 - s->top_margin) / 200;
1794         vact_end = vact_st + vsize;
1795         val = vact_st << 16;
1796         val |= vact_end;
1797         VOP_CTRL_SET(vop, vpost_st_end, val);
1798         val = scl_cal_scale2(vdisplay, vsize) << 16;
1799         val |= scl_cal_scale2(hdisplay, hsize);
1800         VOP_CTRL_SET(vop, post_scl_factor, val);
1801         VOP_CTRL_SET(vop, post_scl_ctrl, 0x3);
1802         if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1803                 u16 vact_st_f1 = vtotal + vact_st + 1;
1804                 u16 vact_end_f1 = vact_st_f1 + vsize;
1805
1806                 val = vact_st_f1 << 16 | vact_end_f1;
1807                 VOP_CTRL_SET(vop, vpost_st_end_f1, val);
1808         }
1809 }
1810
1811 static void vop_cfg_update(struct drm_crtc *crtc,
1812                            struct drm_crtc_state *old_crtc_state)
1813 {
1814         struct rockchip_crtc_state *s =
1815                         to_rockchip_crtc_state(crtc->state);
1816         struct vop *vop = to_vop(crtc);
1817
1818         spin_lock(&vop->reg_lock);
1819
1820         if (s->afbdc_en) {
1821                 uint32_t pic_size;
1822
1823                 VOP_CTRL_SET(vop, afbdc_format, s->afbdc_win_format | 1 << 4);
1824                 VOP_CTRL_SET(vop, afbdc_hreg_block_split, 0);
1825                 VOP_CTRL_SET(vop, afbdc_sel, s->afbdc_win_id);
1826                 VOP_CTRL_SET(vop, afbdc_hdr_ptr, s->afbdc_win_ptr);
1827                 pic_size = (s->afbdc_win_width & 0xffff);
1828                 pic_size |= s->afbdc_win_height << 16;
1829                 VOP_CTRL_SET(vop, afbdc_pic_size, pic_size);
1830         }
1831
1832         VOP_CTRL_SET(vop, afbdc_en, s->afbdc_en);
1833         VOP_CTRL_SET(vop, dsp_layer_sel, s->dsp_layer_sel);
1834         vop_post_config(crtc);
1835
1836         spin_unlock(&vop->reg_lock);
1837 }
1838
1839 static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
1840                                   struct drm_crtc_state *old_crtc_state)
1841 {
1842         struct vop *vop = to_vop(crtc);
1843
1844         vop_cfg_update(crtc, old_crtc_state);
1845
1846         if (!vop->is_iommu_enabled && vop->is_iommu_needed) {
1847                 bool need_wait_vblank = !vop_is_allwin_disabled(vop);
1848                 int ret;
1849
1850                 if (need_wait_vblank) {
1851                         bool active;
1852
1853                         disable_irq(vop->irq);
1854                         drm_crtc_vblank_get(crtc);
1855                         VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 1);
1856
1857                         ret = readx_poll_timeout_atomic(vop_fs_irq_is_active,
1858                                                         vop, active, active,
1859                                                         0, 50 * 1000);
1860                         if (ret)
1861                                 dev_err(vop->dev, "wait fs irq timeout\n");
1862
1863                         VOP_INTR_SET_TYPE(vop, clear, LINE_FLAG_INTR, 1);
1864                         vop_cfg_done(vop);
1865
1866                         ret = readx_poll_timeout_atomic(vop_line_flag_is_active,
1867                                                         vop, active, active,
1868                                                         0, 50 * 1000);
1869                         if (ret)
1870                                 dev_err(vop->dev, "wait line flag timeout\n");
1871
1872                         enable_irq(vop->irq);
1873                 }
1874                 ret = rockchip_drm_dma_attach_device(vop->drm_dev, vop->dev);
1875                 if (ret)
1876                         dev_err(vop->dev, "failed to attach dma mapping, %d\n",
1877                                 ret);
1878
1879                 if (need_wait_vblank) {
1880                         VOP_INTR_SET_TYPE(vop, enable, LINE_FLAG_INTR, 0);
1881                         drm_crtc_vblank_put(crtc);
1882                 }
1883
1884                 vop->is_iommu_enabled = true;
1885         }
1886
1887         vop_cfg_done(vop);
1888 }
1889
1890 static void vop_crtc_atomic_begin(struct drm_crtc *crtc,
1891                                   struct drm_crtc_state *old_crtc_state)
1892 {
1893         struct vop *vop = to_vop(crtc);
1894
1895         if (crtc->state->event) {
1896                 WARN_ON(drm_crtc_vblank_get(crtc) != 0);
1897
1898                 vop->event = crtc->state->event;
1899                 crtc->state->event = NULL;
1900         }
1901 }
1902
1903 static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = {
1904         .enable = vop_crtc_enable,
1905         .disable = vop_crtc_disable,
1906         .mode_fixup = vop_crtc_mode_fixup,
1907         .atomic_check = vop_crtc_atomic_check,
1908         .atomic_flush = vop_crtc_atomic_flush,
1909         .atomic_begin = vop_crtc_atomic_begin,
1910 };
1911
1912 static void vop_crtc_destroy(struct drm_crtc *crtc)
1913 {
1914         drm_crtc_cleanup(crtc);
1915 }
1916
1917 static void vop_crtc_reset(struct drm_crtc *crtc)
1918 {
1919         struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
1920
1921         if (crtc->state) {
1922                 __drm_atomic_helper_crtc_destroy_state(crtc, crtc->state);
1923                 kfree(s);
1924         }
1925
1926         s = kzalloc(sizeof(*s), GFP_KERNEL);
1927         if (!s)
1928                 return;
1929         crtc->state = &s->base;
1930         crtc->state->crtc = crtc;
1931         s->left_margin = 100;
1932         s->right_margin = 100;
1933         s->top_margin = 100;
1934         s->bottom_margin = 100;
1935 }
1936
1937 static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
1938 {
1939         struct rockchip_crtc_state *rockchip_state, *old_state;
1940
1941         old_state = to_rockchip_crtc_state(crtc->state);
1942         rockchip_state = kmemdup(old_state, sizeof(*old_state), GFP_KERNEL);
1943         if (!rockchip_state)
1944                 return NULL;
1945
1946         __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base);
1947         return &rockchip_state->base;
1948 }
1949
1950 static void vop_crtc_destroy_state(struct drm_crtc *crtc,
1951                                    struct drm_crtc_state *state)
1952 {
1953         struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
1954
1955         __drm_atomic_helper_crtc_destroy_state(crtc, &s->base);
1956         kfree(s);
1957 }
1958
1959 static int vop_crtc_atomic_get_property(struct drm_crtc *crtc,
1960                                         const struct drm_crtc_state *state,
1961                                         struct drm_property *property,
1962                                         uint64_t *val)
1963 {
1964         struct drm_device *drm_dev = crtc->dev;
1965         struct drm_mode_config *mode_config = &drm_dev->mode_config;
1966         struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
1967
1968         if (property == mode_config->tv_left_margin_property) {
1969                 *val = s->left_margin;
1970                 return 0;
1971         }
1972
1973         if (property == mode_config->tv_right_margin_property) {
1974                 *val = s->right_margin;
1975                 return 0;
1976         }
1977
1978         if (property == mode_config->tv_top_margin_property) {
1979                 *val = s->top_margin;
1980                 return 0;
1981         }
1982
1983         if (property == mode_config->tv_bottom_margin_property) {
1984                 *val = s->bottom_margin;
1985                 return 0;
1986         }
1987
1988         DRM_ERROR("failed to get vop crtc property\n");
1989         return -EINVAL;
1990 }
1991
1992 static int vop_crtc_atomic_set_property(struct drm_crtc *crtc,
1993                                         struct drm_crtc_state *state,
1994                                         struct drm_property *property,
1995                                         uint64_t val)
1996 {
1997         struct drm_device *drm_dev = crtc->dev;
1998         struct drm_mode_config *mode_config = &drm_dev->mode_config;
1999         struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
2000
2001         if (property == mode_config->tv_left_margin_property) {
2002                 s->left_margin = val;
2003                 return 0;
2004         }
2005
2006         if (property == mode_config->tv_right_margin_property) {
2007                 s->right_margin = val;
2008                 return 0;
2009         }
2010
2011         if (property == mode_config->tv_top_margin_property) {
2012                 s->top_margin = val;
2013                 return 0;
2014         }
2015
2016         if (property == mode_config->tv_bottom_margin_property) {
2017                 s->bottom_margin = val;
2018                 return 0;
2019         }
2020
2021         DRM_ERROR("failed to set vop crtc property\n");
2022         return -EINVAL;
2023 }
2024
2025 static const struct drm_crtc_funcs vop_crtc_funcs = {
2026         .set_config = drm_atomic_helper_set_config,
2027         .page_flip = drm_atomic_helper_page_flip,
2028         .destroy = vop_crtc_destroy,
2029         .reset = vop_crtc_reset,
2030         .atomic_get_property = vop_crtc_atomic_get_property,
2031         .atomic_set_property = vop_crtc_atomic_set_property,
2032         .atomic_duplicate_state = vop_crtc_duplicate_state,
2033         .atomic_destroy_state = vop_crtc_destroy_state,
2034 };
2035
2036 static void vop_handle_vblank(struct vop *vop)
2037 {
2038         struct drm_device *drm = vop->drm_dev;
2039         struct drm_crtc *crtc = &vop->crtc;
2040         unsigned long flags;
2041
2042         if (!vop_is_cfg_done_complete(vop))
2043                 return;
2044
2045         if (vop->event) {
2046                 spin_lock_irqsave(&drm->event_lock, flags);
2047
2048                 drm_crtc_send_vblank_event(crtc, vop->event);
2049                 drm_crtc_vblank_put(crtc);
2050                 vop->event = NULL;
2051
2052                 spin_unlock_irqrestore(&drm->event_lock, flags);
2053         }
2054         if (!completion_done(&vop->wait_update_complete))
2055                 complete(&vop->wait_update_complete);
2056 }
2057
2058 static irqreturn_t vop_isr(int irq, void *data)
2059 {
2060         struct vop *vop = data;
2061         struct drm_crtc *crtc = &vop->crtc;
2062         uint32_t active_irqs;
2063         unsigned long flags;
2064         int ret = IRQ_NONE;
2065
2066         /*
2067          * interrupt register has interrupt status, enable and clear bits, we
2068          * must hold irq_lock to avoid a race with enable/disable_vblank().
2069         */
2070         spin_lock_irqsave(&vop->irq_lock, flags);
2071
2072         active_irqs = VOP_INTR_GET_TYPE(vop, status, INTR_MASK);
2073         /* Clear all active interrupt sources */
2074         if (active_irqs)
2075                 VOP_INTR_SET_TYPE(vop, clear, active_irqs, 1);
2076
2077         spin_unlock_irqrestore(&vop->irq_lock, flags);
2078
2079         /* This is expected for vop iommu irqs, since the irq is shared */
2080         if (!active_irqs)
2081                 return IRQ_NONE;
2082
2083         if (active_irqs & DSP_HOLD_VALID_INTR) {
2084                 complete(&vop->dsp_hold_completion);
2085                 active_irqs &= ~DSP_HOLD_VALID_INTR;
2086                 ret = IRQ_HANDLED;
2087         }
2088
2089         if (active_irqs & LINE_FLAG_INTR) {
2090                 complete(&vop->line_flag_completion);
2091                 active_irqs &= ~LINE_FLAG_INTR;
2092                 ret = IRQ_HANDLED;
2093         }
2094
2095         if (active_irqs & FS_INTR) {
2096                 drm_crtc_handle_vblank(crtc);
2097                 vop_handle_vblank(vop);
2098                 active_irqs &= ~FS_INTR;
2099                 ret = IRQ_HANDLED;
2100         }
2101
2102         /* Unhandled irqs are spurious. */
2103         if (active_irqs)
2104                 DRM_ERROR("Unknown VOP IRQs: %#02x\n", active_irqs);
2105
2106         return ret;
2107 }
2108
2109 static int vop_plane_init(struct vop *vop, struct vop_win *win,
2110                           unsigned long possible_crtcs)
2111 {
2112         struct drm_plane *share = NULL;
2113         unsigned int rotations = 0;
2114         struct drm_property *prop;
2115         uint64_t feature = 0;
2116         int ret;
2117
2118         if (win->parent)
2119                 share = &win->parent->base;
2120
2121         ret = drm_share_plane_init(vop->drm_dev, &win->base, share,
2122                                    possible_crtcs, &vop_plane_funcs,
2123                                    win->data_formats, win->nformats, win->type);
2124         if (ret) {
2125                 DRM_ERROR("failed to initialize plane\n");
2126                 return ret;
2127         }
2128         drm_plane_helper_add(&win->base, &plane_helper_funcs);
2129         drm_object_attach_property(&win->base.base,
2130                                    vop->plane_zpos_prop, win->win_id);
2131
2132         if (VOP_WIN_SUPPORT(vop, win, xmirror))
2133                 rotations |= BIT(DRM_REFLECT_X);
2134
2135         if (VOP_WIN_SUPPORT(vop, win, ymirror))
2136                 rotations |= BIT(DRM_REFLECT_Y);
2137
2138         if (rotations) {
2139                 rotations |= BIT(DRM_ROTATE_0);
2140                 prop = drm_mode_create_rotation_property(vop->drm_dev,
2141                                                          rotations);
2142                 if (!prop) {
2143                         DRM_ERROR("failed to create zpos property\n");
2144                         return -EINVAL;
2145                 }
2146                 drm_object_attach_property(&win->base.base, prop,
2147                                            BIT(DRM_ROTATE_0));
2148                 win->rotation_prop = prop;
2149         }
2150         if (win->phy->scl)
2151                 feature |= BIT(ROCKCHIP_DRM_PLANE_FEATURE_SCALE);
2152         if (VOP_WIN_SUPPORT(vop, win, src_alpha_ctl) ||
2153             VOP_WIN_SUPPORT(vop, win, alpha_en))
2154                 feature |= BIT(ROCKCHIP_DRM_PLANE_FEATURE_ALPHA);
2155
2156         drm_object_attach_property(&win->base.base, vop->plane_feature_prop,
2157                                    feature);
2158
2159         return 0;
2160 }
2161
2162 static int vop_create_crtc(struct vop *vop)
2163 {
2164         struct device *dev = vop->dev;
2165         const struct vop_data *vop_data = vop->data;
2166         struct drm_device *drm_dev = vop->drm_dev;
2167         struct drm_plane *primary = NULL, *cursor = NULL, *plane, *tmp;
2168         struct drm_crtc *crtc = &vop->crtc;
2169         struct device_node *port;
2170         uint64_t feature = 0;
2171         int ret;
2172         int i;
2173
2174         /*
2175          * Create drm_plane for primary and cursor planes first, since we need
2176          * to pass them to drm_crtc_init_with_planes, which sets the
2177          * "possible_crtcs" to the newly initialized crtc.
2178          */
2179         for (i = 0; i < vop->num_wins; i++) {
2180                 struct vop_win *win = &vop->win[i];
2181
2182                 if (win->type != DRM_PLANE_TYPE_PRIMARY &&
2183                     win->type != DRM_PLANE_TYPE_CURSOR)
2184                         continue;
2185
2186                 ret = vop_plane_init(vop, win, 0);
2187                 if (ret)
2188                         goto err_cleanup_planes;
2189
2190                 plane = &win->base;
2191                 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
2192                         primary = plane;
2193                 else if (plane->type == DRM_PLANE_TYPE_CURSOR)
2194                         cursor = plane;
2195
2196         }
2197
2198         ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
2199                                         &vop_crtc_funcs, NULL);
2200         if (ret)
2201                 goto err_cleanup_planes;
2202
2203         drm_crtc_helper_add(crtc, &vop_crtc_helper_funcs);
2204
2205         /*
2206          * Create drm_planes for overlay windows with possible_crtcs restricted
2207          * to the newly created crtc.
2208          */
2209         for (i = 0; i < vop->num_wins; i++) {
2210                 struct vop_win *win = &vop->win[i];
2211                 unsigned long possible_crtcs = 1 << drm_crtc_index(crtc);
2212
2213                 if (win->type != DRM_PLANE_TYPE_OVERLAY)
2214                         continue;
2215
2216                 ret = vop_plane_init(vop, win, possible_crtcs);
2217                 if (ret)
2218                         goto err_cleanup_crtc;
2219         }
2220
2221         port = of_get_child_by_name(dev->of_node, "port");
2222         if (!port) {
2223                 DRM_ERROR("no port node found in %s\n",
2224                           dev->of_node->full_name);
2225                 ret = -ENOENT;
2226                 goto err_cleanup_crtc;
2227         }
2228
2229         init_completion(&vop->dsp_hold_completion);
2230         init_completion(&vop->wait_update_complete);
2231         init_completion(&vop->line_flag_completion);
2232         crtc->port = port;
2233         rockchip_register_crtc_funcs(crtc, &private_crtc_funcs);
2234
2235         ret = drm_mode_create_tv_properties(drm_dev, 0, NULL);
2236         if (ret)
2237                 goto err_unregister_crtc_funcs;
2238 #define VOP_ATTACH_MODE_CONFIG_PROP(prop, v) \
2239         drm_object_attach_property(&crtc->base, drm_dev->mode_config.prop, v)
2240
2241         VOP_ATTACH_MODE_CONFIG_PROP(tv_left_margin_property, 100);
2242         VOP_ATTACH_MODE_CONFIG_PROP(tv_right_margin_property, 100);
2243         VOP_ATTACH_MODE_CONFIG_PROP(tv_top_margin_property, 100);
2244         VOP_ATTACH_MODE_CONFIG_PROP(tv_bottom_margin_property, 100);
2245 #undef VOP_ATTACH_MODE_CONFIG_PROP
2246
2247         if (vop_data->feature & VOP_FEATURE_AFBDC)
2248                 feature |= BIT(ROCKCHIP_DRM_CRTC_FEATURE_AFBDC);
2249         drm_object_attach_property(&crtc->base, vop->feature_prop,
2250                                    feature);
2251
2252         return 0;
2253
2254 err_unregister_crtc_funcs:
2255         rockchip_unregister_crtc_funcs(crtc);
2256 err_cleanup_crtc:
2257         drm_crtc_cleanup(crtc);
2258 err_cleanup_planes:
2259         list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
2260                                  head)
2261                 drm_plane_cleanup(plane);
2262         return ret;
2263 }
2264
2265 static void vop_destroy_crtc(struct vop *vop)
2266 {
2267         struct drm_crtc *crtc = &vop->crtc;
2268         struct drm_device *drm_dev = vop->drm_dev;
2269         struct drm_plane *plane, *tmp;
2270
2271         rockchip_unregister_crtc_funcs(crtc);
2272         of_node_put(crtc->port);
2273
2274         /*
2275          * We need to cleanup the planes now.  Why?
2276          *
2277          * The planes are "&vop->win[i].base".  That means the memory is
2278          * all part of the big "struct vop" chunk of memory.  That memory
2279          * was devm allocated and associated with this component.  We need to
2280          * free it ourselves before vop_unbind() finishes.
2281          */
2282         list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
2283                                  head)
2284                 vop_plane_destroy(plane);
2285
2286         /*
2287          * Destroy CRTC after vop_plane_destroy() since vop_disable_plane()
2288          * references the CRTC.
2289          */
2290         drm_crtc_cleanup(crtc);
2291 }
2292
2293 /*
2294  * Initialize the vop->win array elements.
2295  */
2296 static int vop_win_init(struct vop *vop)
2297 {
2298         const struct vop_data *vop_data = vop->data;
2299         unsigned int i, j;
2300         unsigned int num_wins = 0;
2301         struct drm_property *prop;
2302         static const struct drm_prop_enum_list props[] = {
2303                 { ROCKCHIP_DRM_PLANE_FEATURE_SCALE, "scale" },
2304                 { ROCKCHIP_DRM_PLANE_FEATURE_ALPHA, "alpha" },
2305         };
2306         static const struct drm_prop_enum_list crtc_props[] = {
2307                 { ROCKCHIP_DRM_CRTC_FEATURE_AFBDC, "afbdc" },
2308         };
2309
2310         for (i = 0; i < vop_data->win_size; i++) {
2311                 struct vop_win *vop_win = &vop->win[num_wins];
2312                 const struct vop_win_data *win_data = &vop_data->win[i];
2313
2314                 if (!win_data->phy)
2315                         continue;
2316
2317                 vop_win->phy = win_data->phy;
2318                 vop_win->csc = win_data->csc;
2319                 vop_win->offset = win_data->base;
2320                 vop_win->type = win_data->type;
2321                 vop_win->data_formats = win_data->phy->data_formats;
2322                 vop_win->nformats = win_data->phy->nformats;
2323                 vop_win->vop = vop;
2324                 vop_win->win_id = i;
2325                 vop_win->area_id = 0;
2326                 num_wins++;
2327
2328                 for (j = 0; j < win_data->area_size; j++) {
2329                         struct vop_win *vop_area = &vop->win[num_wins];
2330                         const struct vop_win_phy *area = win_data->area[j];
2331
2332                         vop_area->parent = vop_win;
2333                         vop_area->offset = vop_win->offset;
2334                         vop_area->phy = area;
2335                         vop_area->type = DRM_PLANE_TYPE_OVERLAY;
2336                         vop_area->data_formats = vop_win->data_formats;
2337                         vop_area->nformats = vop_win->nformats;
2338                         vop_area->vop = vop;
2339                         vop_area->win_id = i;
2340                         vop_area->area_id = j;
2341                         num_wins++;
2342                 }
2343         }
2344
2345         vop->num_wins = num_wins;
2346
2347         prop = drm_property_create_range(vop->drm_dev, DRM_MODE_PROP_ATOMIC,
2348                                          "ZPOS", 0, vop->data->win_size);
2349         if (!prop) {
2350                 DRM_ERROR("failed to create zpos property\n");
2351                 return -EINVAL;
2352         }
2353         vop->plane_zpos_prop = prop;
2354
2355         vop->plane_feature_prop = drm_property_create_bitmask(vop->drm_dev,
2356                                 DRM_MODE_PROP_IMMUTABLE, "FEATURE",
2357                                 props, ARRAY_SIZE(props),
2358                                 BIT(ROCKCHIP_DRM_PLANE_FEATURE_SCALE) |
2359                                 BIT(ROCKCHIP_DRM_PLANE_FEATURE_ALPHA));
2360         if (!vop->plane_feature_prop) {
2361                 DRM_ERROR("failed to create feature property\n");
2362                 return -EINVAL;
2363         }
2364
2365         vop->feature_prop = drm_property_create_bitmask(vop->drm_dev,
2366                                 DRM_MODE_PROP_IMMUTABLE, "FEATURE",
2367                                 crtc_props, ARRAY_SIZE(crtc_props),
2368                                 BIT(ROCKCHIP_DRM_CRTC_FEATURE_AFBDC));
2369         if (!vop->feature_prop) {
2370                 DRM_ERROR("failed to create vop feature property\n");
2371                 return -EINVAL;
2372         }
2373
2374         return 0;
2375 }
2376
2377 /**
2378  * rockchip_drm_wait_line_flag - acqiure the give line flag event
2379  * @crtc: CRTC to enable line flag
2380  * @line_num: interested line number
2381  * @mstimeout: millisecond for timeout
2382  *
2383  * Driver would hold here until the interested line flag interrupt have
2384  * happened or timeout to wait.
2385  *
2386  * Returns:
2387  * Zero on success, negative errno on failure.
2388  */
2389 int rockchip_drm_wait_line_flag(struct drm_crtc *crtc, unsigned int line_num,
2390                                 unsigned int mstimeout)
2391 {
2392         struct vop *vop = to_vop(crtc);
2393         unsigned long jiffies_left;
2394
2395         if (!crtc || !vop->is_enabled)
2396                 return -ENODEV;
2397
2398         if (line_num > crtc->mode.vtotal || mstimeout <= 0)
2399                 return -EINVAL;
2400
2401         if (vop_line_flag_irq_is_enabled(vop))
2402                 return -EBUSY;
2403
2404         reinit_completion(&vop->line_flag_completion);
2405         vop_line_flag_irq_enable(vop, line_num);
2406
2407         jiffies_left = wait_for_completion_timeout(&vop->line_flag_completion,
2408                                                    msecs_to_jiffies(mstimeout));
2409         vop_line_flag_irq_disable(vop);
2410
2411         if (jiffies_left == 0) {
2412                 dev_err(vop->dev, "Timeout waiting for IRQ\n");
2413                 return -ETIMEDOUT;
2414         }
2415
2416         return 0;
2417 }
2418 EXPORT_SYMBOL(rockchip_drm_wait_line_flag);
2419
2420 static int vop_bind(struct device *dev, struct device *master, void *data)
2421 {
2422         struct platform_device *pdev = to_platform_device(dev);
2423         const struct vop_data *vop_data;
2424         struct drm_device *drm_dev = data;
2425         struct vop *vop;
2426         struct resource *res;
2427         size_t alloc_size;
2428         int ret, irq, i;
2429         int num_wins = 0;
2430
2431         vop_data = of_device_get_match_data(dev);
2432         if (!vop_data)
2433                 return -ENODEV;
2434
2435         for (i = 0; i < vop_data->win_size; i++) {
2436                 const struct vop_win_data *win_data = &vop_data->win[i];
2437
2438                 num_wins += win_data->area_size + 1;
2439         }
2440
2441         /* Allocate vop struct and its vop_win array */
2442         alloc_size = sizeof(*vop) + sizeof(*vop->win) * num_wins;
2443         vop = devm_kzalloc(dev, alloc_size, GFP_KERNEL);
2444         if (!vop)
2445                 return -ENOMEM;
2446
2447         vop->dev = dev;
2448         vop->data = vop_data;
2449         vop->drm_dev = drm_dev;
2450         vop->num_wins = num_wins;
2451         dev_set_drvdata(dev, vop);
2452
2453         ret = vop_win_init(vop);
2454         if (ret)
2455                 return ret;
2456
2457         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
2458         vop->len = resource_size(res);
2459         vop->regs = devm_ioremap_resource(dev, res);
2460         if (IS_ERR(vop->regs))
2461                 return PTR_ERR(vop->regs);
2462
2463         vop->regsbak = devm_kzalloc(dev, vop->len, GFP_KERNEL);
2464         if (!vop->regsbak)
2465                 return -ENOMEM;
2466
2467         vop->hclk = devm_clk_get(vop->dev, "hclk_vop");
2468         if (IS_ERR(vop->hclk)) {
2469                 dev_err(vop->dev, "failed to get hclk source\n");
2470                 return PTR_ERR(vop->hclk);
2471         }
2472         vop->aclk = devm_clk_get(vop->dev, "aclk_vop");
2473         if (IS_ERR(vop->aclk)) {
2474                 dev_err(vop->dev, "failed to get aclk source\n");
2475                 return PTR_ERR(vop->aclk);
2476         }
2477         vop->dclk = devm_clk_get(vop->dev, "dclk_vop");
2478         if (IS_ERR(vop->dclk)) {
2479                 dev_err(vop->dev, "failed to get dclk source\n");
2480                 return PTR_ERR(vop->dclk);
2481         }
2482
2483         irq = platform_get_irq(pdev, 0);
2484         if (irq < 0) {
2485                 dev_err(dev, "cannot find irq for vop\n");
2486                 return irq;
2487         }
2488         vop->irq = (unsigned int)irq;
2489
2490         spin_lock_init(&vop->reg_lock);
2491         spin_lock_init(&vop->irq_lock);
2492
2493         mutex_init(&vop->vsync_mutex);
2494
2495         ret = devm_request_irq(dev, vop->irq, vop_isr,
2496                                IRQF_SHARED, dev_name(dev), vop);
2497         if (ret)
2498                 return ret;
2499
2500         /* IRQ is initially disabled; it gets enabled in power_on */
2501         disable_irq(vop->irq);
2502
2503         ret = vop_create_crtc(vop);
2504         if (ret)
2505                 return ret;
2506
2507         pm_runtime_enable(&pdev->dev);
2508         return 0;
2509 }
2510
2511 static void vop_unbind(struct device *dev, struct device *master, void *data)
2512 {
2513         struct vop *vop = dev_get_drvdata(dev);
2514
2515         pm_runtime_disable(dev);
2516         vop_destroy_crtc(vop);
2517 }
2518
2519 const struct component_ops vop_component_ops = {
2520         .bind = vop_bind,
2521         .unbind = vop_unbind,
2522 };
2523 EXPORT_SYMBOL_GPL(vop_component_ops);