drivers/media/video/s5p-fimc/fimc-core.c

   1 /*
   2  * Samsung S5P/EXYNOS4 SoC series FIMC (CAMIF) driver
   3  *
   4  * Copyright (C) 2010-2012 Samsung Electronics Co., Ltd.
   5  * Sylwester Nawrocki <s.nawrocki@samsung.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 2 of the License,
  10  * or (at your option) any later version.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/errno.h>
  17 #include <linux/bug.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/device.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/pm_runtime.h>
  22 #include <linux/list.h>
  23 #include <linux/io.h>
  24 #include <linux/slab.h>
  25 #include <linux/clk.h>
  26 #include <media/v4l2-ioctl.h>
  27 #include <media/videobuf2-core.h>
  28 #include <media/videobuf2-dma-contig.h>
  29
  30 #include "fimc-core.h"
  31 #include "fimc-reg.h"
  32 #include "fimc-mdevice.h"
  33
  34 static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
  35         "sclk_fimc", "fimc"
  36 };
  37
  38 static struct fimc_fmt fimc_formats[] = {
  39         {
  40                 .name           = "RGB565",
  41                 .fourcc         = V4L2_PIX_FMT_RGB565,
  42                 .depth          = { 16 },
  43                 .color          = FIMC_FMT_RGB565,
  44                 .memplanes      = 1,
  45                 .colplanes      = 1,
  46                 .flags          = FMT_FLAGS_M2M,
  47         }, {
  48                 .name           = "BGR666",
  49                 .fourcc         = V4L2_PIX_FMT_BGR666,
  50                 .depth          = { 32 },
  51                 .color          = FIMC_FMT_RGB666,
  52                 .memplanes      = 1,
  53                 .colplanes      = 1,
  54                 .flags          = FMT_FLAGS_M2M,
  55         }, {
  56                 .name           = "ARGB8888, 32 bpp",
  57                 .fourcc         = V4L2_PIX_FMT_RGB32,
  58                 .depth          = { 32 },
  59                 .color          = FIMC_FMT_RGB888,
  60                 .memplanes      = 1,
  61                 .colplanes      = 1,
  62                 .flags          = FMT_FLAGS_M2M | FMT_HAS_ALPHA,
  63         }, {
  64                 .name           = "ARGB1555",
  65                 .fourcc         = V4L2_PIX_FMT_RGB555,
  66                 .depth          = { 16 },
  67                 .color          = FIMC_FMT_RGB555,
  68                 .memplanes      = 1,
  69                 .colplanes      = 1,
  70                 .flags          = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
  71         }, {
  72                 .name           = "ARGB4444",
  73                 .fourcc         = V4L2_PIX_FMT_RGB444,
  74                 .depth          = { 16 },
  75                 .color          = FIMC_FMT_RGB444,
  76                 .memplanes      = 1,
  77                 .colplanes      = 1,
  78                 .flags          = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
  79         }, {
  80                 .name           = "YUV 4:2:2 packed, YCbYCr",
  81                 .fourcc         = V4L2_PIX_FMT_YUYV,
  82                 .depth          = { 16 },
  83                 .color          = FIMC_FMT_YCBYCR422,
  84                 .memplanes      = 1,
  85                 .colplanes      = 1,
  86                 .mbus_code      = V4L2_MBUS_FMT_YUYV8_2X8,
  87                 .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
  88         }, {
  89                 .name           = "YUV 4:2:2 packed, CbYCrY",
  90                 .fourcc         = V4L2_PIX_FMT_UYVY,
  91                 .depth          = { 16 },
  92                 .color          = FIMC_FMT_CBYCRY422,
  93                 .memplanes      = 1,
  94                 .colplanes      = 1,
  95                 .mbus_code      = V4L2_MBUS_FMT_UYVY8_2X8,
  96                 .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
  97         }, {
  98                 .name           = "YUV 4:2:2 packed, CrYCbY",
  99                 .fourcc         = V4L2_PIX_FMT_VYUY,
 100                 .depth          = { 16 },
 101                 .color          = FIMC_FMT_CRYCBY422,
 102                 .memplanes      = 1,
 103                 .colplanes      = 1,
 104                 .mbus_code      = V4L2_MBUS_FMT_VYUY8_2X8,
 105                 .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
 106         }, {
 107                 .name           = "YUV 4:2:2 packed, YCrYCb",
 108                 .fourcc         = V4L2_PIX_FMT_YVYU,
 109                 .depth          = { 16 },
 110                 .color          = FIMC_FMT_YCRYCB422,
 111                 .memplanes      = 1,
 112                 .colplanes      = 1,
 113                 .mbus_code      = V4L2_MBUS_FMT_YVYU8_2X8,
 114                 .flags          = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
 115         }, {
 116                 .name           = "YUV 4:2:2 planar, Y/Cb/Cr",
 117                 .fourcc         = V4L2_PIX_FMT_YUV422P,
 118                 .depth          = { 12 },
 119                 .color          = FIMC_FMT_YCBYCR422,
 120                 .memplanes      = 1,
 121                 .colplanes      = 3,
 122                 .flags          = FMT_FLAGS_M2M,
 123         }, {
 124                 .name           = "YUV 4:2:2 planar, Y/CbCr",
 125                 .fourcc         = V4L2_PIX_FMT_NV16,
 126                 .depth          = { 16 },
 127                 .color          = FIMC_FMT_YCBYCR422,
 128                 .memplanes      = 1,
 129                 .colplanes      = 2,
 130                 .flags          = FMT_FLAGS_M2M,
 131         }, {
 132                 .name           = "YUV 4:2:2 planar, Y/CrCb",
 133                 .fourcc         = V4L2_PIX_FMT_NV61,
 134                 .depth          = { 16 },
 135                 .color          = FIMC_FMT_YCRYCB422,
 136                 .memplanes      = 1,
 137                 .colplanes      = 2,
 138                 .flags          = FMT_FLAGS_M2M,
 139         }, {
 140                 .name           = "YUV 4:2:0 planar, YCbCr",
 141                 .fourcc         = V4L2_PIX_FMT_YUV420,
 142                 .depth          = { 12 },
 143                 .color          = FIMC_FMT_YCBCR420,
 144                 .memplanes      = 1,
 145                 .colplanes      = 3,
 146                 .flags          = FMT_FLAGS_M2M,
 147         }, {
 148                 .name           = "YUV 4:2:0 planar, Y/CbCr",
 149                 .fourcc         = V4L2_PIX_FMT_NV12,
 150                 .depth          = { 12 },
 151                 .color          = FIMC_FMT_YCBCR420,
 152                 .memplanes      = 1,
 153                 .colplanes      = 2,
 154                 .flags          = FMT_FLAGS_M2M,
 155         }, {
 156                 .name           = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr",
 157                 .fourcc         = V4L2_PIX_FMT_NV12M,
 158                 .color          = FIMC_FMT_YCBCR420,
 159                 .depth          = { 8, 4 },
 160                 .memplanes      = 2,
 161                 .colplanes      = 2,
 162                 .flags          = FMT_FLAGS_M2M,
 163         }, {
 164                 .name           = "YUV 4:2:0 non-contiguous 3-planar, Y/Cb/Cr",
 165                 .fourcc         = V4L2_PIX_FMT_YUV420M,
 166                 .color          = FIMC_FMT_YCBCR420,
 167                 .depth          = { 8, 2, 2 },
 168                 .memplanes      = 3,
 169                 .colplanes      = 3,
 170                 .flags          = FMT_FLAGS_M2M,
 171         }, {
 172                 .name           = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr, tiled",
 173                 .fourcc         = V4L2_PIX_FMT_NV12MT,
 174                 .color          = FIMC_FMT_YCBCR420,
 175                 .depth          = { 8, 4 },
 176                 .memplanes      = 2,
 177                 .colplanes      = 2,
 178                 .flags          = FMT_FLAGS_M2M,
 179         }, {
 180                 .name           = "JPEG encoded data",
 181                 .fourcc         = V4L2_PIX_FMT_JPEG,
 182                 .color          = FIMC_FMT_JPEG,
 183                 .depth          = { 8 },
 184                 .memplanes      = 1,
 185                 .colplanes      = 1,
 186                 .mbus_code      = V4L2_MBUS_FMT_JPEG_1X8,
 187                 .flags          = FMT_FLAGS_CAM,
 188         },
 189 };
 190
 191 struct fimc_fmt *fimc_get_format(unsigned int index)
 192 {
 193         if (index >= ARRAY_SIZE(fimc_formats))
 194                 return NULL;
 195
 196         return &fimc_formats[index];
 197 }
 198
 199 int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh,
 200                             int dw, int dh, int rotation)
 201 {
 202         if (rotation == 90 || rotation == 270)
 203                 swap(dw, dh);
 204
 205         if (!ctx->scaler.enabled)
 206                 return (sw == dw && sh == dh) ? 0 : -EINVAL;
 207
 208         if ((sw >= SCALER_MAX_HRATIO * dw) || (sh >= SCALER_MAX_VRATIO * dh))
 209                 return -EINVAL;
 210
 211         return 0;
 212 }
 213
 214 static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
 215 {
 216         u32 sh = 6;
 217
 218         if (src >= 64 * tar)
 219                 return -EINVAL;
 220
 221         while (sh--) {
 222                 u32 tmp = 1 << sh;
 223                 if (src >= tar * tmp) {
 224                         *shift = sh, *ratio = tmp;
 225                         return 0;
 226                 }
 227         }
 228         *shift = 0, *ratio = 1;
 229         return 0;
 230 }
 231
 232 int fimc_set_scaler_info(struct fimc_ctx *ctx)
 233 {
 234         struct fimc_variant *variant = ctx->fimc_dev->variant;
 235         struct device *dev = &ctx->fimc_dev->pdev->dev;
 236         struct fimc_scaler *sc = &ctx->scaler;
 237         struct fimc_frame *s_frame = &ctx->s_frame;
 238         struct fimc_frame *d_frame = &ctx->d_frame;
 239         int tx, ty, sx, sy;
 240         int ret;
 241
 242         if (ctx->rotation == 90 || ctx->rotation == 270) {
 243                 ty = d_frame->width;
 244                 tx = d_frame->height;
 245         } else {
 246                 tx = d_frame->width;
 247                 ty = d_frame->height;
 248         }
 249         if (tx <= 0 || ty <= 0) {
 250                 dev_err(dev, "Invalid target size: %dx%d", tx, ty);
 251                 return -EINVAL;
 252         }
 253
 254         sx = s_frame->width;
 255         sy = s_frame->height;
 256         if (sx <= 0 || sy <= 0) {
 257                 dev_err(dev, "Invalid source size: %dx%d", sx, sy);
 258                 return -EINVAL;
 259         }
 260         sc->real_width = sx;
 261         sc->real_height = sy;
 262
 263         ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor);
 264         if (ret)
 265                 return ret;
 266
 267         ret = fimc_get_scaler_factor(sy, ty,  &sc->pre_vratio, &sc->vfactor);
 268         if (ret)
 269                 return ret;
 270
 271         sc->pre_dst_width = sx / sc->pre_hratio;
 272         sc->pre_dst_height = sy / sc->pre_vratio;
 273
 274         if (variant->has_mainscaler_ext) {
 275                 sc->main_hratio = (sx << 14) / (tx << sc->hfactor);
 276                 sc->main_vratio = (sy << 14) / (ty << sc->vfactor);
 277         } else {
 278                 sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
 279                 sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
 280
 281         }
 282
 283         sc->scaleup_h = (tx >= sx) ? 1 : 0;
 284         sc->scaleup_v = (ty >= sy) ? 1 : 0;
 285
 286         /* check to see if input and output size/format differ */
 287         if (s_frame->fmt->color == d_frame->fmt->color
 288                 && s_frame->width == d_frame->width
 289                 && s_frame->height == d_frame->height)
 290                 sc->copy_mode = 1;
 291         else
 292                 sc->copy_mode = 0;
 293
 294         return 0;
 295 }
 296
 297 static irqreturn_t fimc_irq_handler(int irq, void *priv)
 298 {
 299         struct fimc_dev *fimc = priv;
 300         struct fimc_ctx *ctx;
 301
 302         fimc_hw_clear_irq(fimc);
 303
 304         spin_lock(&fimc->slock);
 305
 306         if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
 307                 if (test_and_clear_bit(ST_M2M_SUSPENDING, &fimc->state)) {
 308                         set_bit(ST_M2M_SUSPENDED, &fimc->state);
 309                         wake_up(&fimc->irq_queue);
 310                         goto out;
 311                 }
 312                 ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
 313                 if (ctx != NULL) {
 314                         spin_unlock(&fimc->slock);
 315                         fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE);
 316
 317                         if (ctx->state & FIMC_CTX_SHUT) {
 318                                 ctx->state &= ~FIMC_CTX_SHUT;
 319                                 wake_up(&fimc->irq_queue);
 320                         }
 321                         return IRQ_HANDLED;
 322                 }
 323         } else if (test_bit(ST_CAPT_PEND, &fimc->state)) {
 324                 int last_buf = test_bit(ST_CAPT_JPEG, &fimc->state) &&
 325                                 fimc->vid_cap.reqbufs_count == 1;
 326                 fimc_capture_irq_handler(fimc, !last_buf);
 327         }
 328 out:
 329         spin_unlock(&fimc->slock);
 330         return IRQ_HANDLED;
 331 }
 332
 333 /* The color format (colplanes, memplanes) must be already configured. */
 334 int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
 335                       struct fimc_frame *frame, struct fimc_addr *paddr)
 336 {
 337         int ret = 0;
 338         u32 pix_size;
 339
 340         if (vb == NULL || frame == NULL)
 341                 return -EINVAL;
 342
 343         pix_size = frame->width * frame->height;
 344
 345         dbg("memplanes= %d, colplanes= %d, pix_size= %d",
 346                 frame->fmt->memplanes, frame->fmt->colplanes, pix_size);
 347
 348         paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0);
 349
 350         if (frame->fmt->memplanes == 1) {
 351                 switch (frame->fmt->colplanes) {
 352                 case 1:
 353                         paddr->cb = 0;
 354                         paddr->cr = 0;
 355                         break;
 356                 case 2:
 357                         /* decompose Y into Y/Cb */
 358                         paddr->cb = (u32)(paddr->y + pix_size);
 359                         paddr->cr = 0;
 360                         break;
 361                 case 3:
 362                         paddr->cb = (u32)(paddr->y + pix_size);
 363                         /* decompose Y into Y/Cb/Cr */
 364                         if (FIMC_FMT_YCBCR420 == frame->fmt->color)
 365                                 paddr->cr = (u32)(paddr->cb
 366                                                 + (pix_size >> 2));
 367                         else /* 422 */
 368                                 paddr->cr = (u32)(paddr->cb
 369                                                 + (pix_size >> 1));
 370                         break;
 371                 default:
 372                         return -EINVAL;
 373                 }
 374         } else {
 375                 if (frame->fmt->memplanes >= 2)
 376                         paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
 377
 378                 if (frame->fmt->memplanes == 3)
 379                         paddr->cr = vb2_dma_contig_plane_dma_addr(vb, 2);
 380         }
 381
 382         dbg("PHYS_ADDR: y= 0x%X  cb= 0x%X cr= 0x%X ret= %d",
 383             paddr->y, paddr->cb, paddr->cr, ret);
 384
 385         return ret;
 386 }
 387
 388 /* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */
 389 void fimc_set_yuv_order(struct fimc_ctx *ctx)
 390 {
 391         /* The one only mode supported in SoC. */
 392         ctx->in_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
 393         ctx->out_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
 394
 395         /* Set order for 1 plane input formats. */
 396         switch (ctx->s_frame.fmt->color) {
 397         case FIMC_FMT_YCRYCB422:
 398                 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CBYCRY;
 399                 break;
 400         case FIMC_FMT_CBYCRY422:
 401                 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCRYCB;
 402                 break;
 403         case FIMC_FMT_CRYCBY422:
 404                 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCBYCR;
 405                 break;
 406         case FIMC_FMT_YCBYCR422:
 407         default:
 408                 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CRYCBY;
 409                 break;
 410         }
 411         dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
 412
 413         switch (ctx->d_frame.fmt->color) {
 414         case FIMC_FMT_YCRYCB422:
 415                 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CBYCRY;
 416                 break;
 417         case FIMC_FMT_CBYCRY422:
 418                 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCRYCB;
 419                 break;
 420         case FIMC_FMT_CRYCBY422:
 421                 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCBYCR;
 422                 break;
 423         case FIMC_FMT_YCBYCR422:
 424         default:
 425                 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CRYCBY;
 426                 break;
 427         }
 428         dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
 429 }
 430
 431 void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
 432 {
 433         struct fimc_variant *variant = ctx->fimc_dev->variant;
 434         u32 i, depth = 0;
 435
 436         for (i = 0; i < f->fmt->colplanes; i++)
 437                 depth += f->fmt->depth[i];
 438
 439         f->dma_offset.y_h = f->offs_h;
 440         if (!variant->pix_hoff)
 441                 f->dma_offset.y_h *= (depth >> 3);
 442
 443         f->dma_offset.y_v = f->offs_v;
 444
 445         f->dma_offset.cb_h = f->offs_h;
 446         f->dma_offset.cb_v = f->offs_v;
 447
 448         f->dma_offset.cr_h = f->offs_h;
 449         f->dma_offset.cr_v = f->offs_v;
 450
 451         if (!variant->pix_hoff) {
 452                 if (f->fmt->colplanes == 3) {
 453                         f->dma_offset.cb_h >>= 1;
 454                         f->dma_offset.cr_h >>= 1;
 455                 }
 456                 if (f->fmt->color == FIMC_FMT_YCBCR420) {
 457                         f->dma_offset.cb_v >>= 1;
 458                         f->dma_offset.cr_v >>= 1;
 459                 }
 460         }
 461
 462         dbg("in_offset: color= %d, y_h= %d, y_v= %d",
 463             f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
 464 }
 465
 466 int fimc_set_color_effect(struct fimc_ctx *ctx, enum v4l2_colorfx colorfx)
 467 {
 468         struct fimc_effect *effect = &ctx->effect;
 469
 470         switch (colorfx) {
 471         case V4L2_COLORFX_NONE:
 472                 effect->type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
 473                 break;
 474         case V4L2_COLORFX_BW:
 475                 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
 476                 effect->pat_cb = 128;
 477                 effect->pat_cr = 128;
 478                 break;
 479         case V4L2_COLORFX_SEPIA:
 480                 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
 481                 effect->pat_cb = 115;
 482                 effect->pat_cr = 145;
 483                 break;
 484         case V4L2_COLORFX_NEGATIVE:
 485                 effect->type = FIMC_REG_CIIMGEFF_FIN_NEGATIVE;
 486                 break;
 487         case V4L2_COLORFX_EMBOSS:
 488                 effect->type = FIMC_REG_CIIMGEFF_FIN_EMBOSSING;
 489                 break;
 490         case V4L2_COLORFX_ART_FREEZE:
 491                 effect->type = FIMC_REG_CIIMGEFF_FIN_ARTFREEZE;
 492                 break;
 493         case V4L2_COLORFX_SILHOUETTE:
 494                 effect->type = FIMC_REG_CIIMGEFF_FIN_SILHOUETTE;
 495                 break;
 496         case V4L2_COLORFX_SET_CBCR:
 497                 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
 498                 effect->pat_cb = ctx->ctrls.colorfx_cbcr->val >> 8;
 499                 effect->pat_cr = ctx->ctrls.colorfx_cbcr->val & 0xff;
 500                 break;
 501         default:
 502                 return -EINVAL;
 503         }
 504
 505         return 0;
 506 }
 507
 508 /*
 509  * V4L2 controls handling
 510  */
 511 #define ctrl_to_ctx(__ctrl) \
 512         container_of((__ctrl)->handler, struct fimc_ctx, ctrls.handler)
 513
 514 static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl)
 515 {
 516         struct fimc_dev *fimc = ctx->fimc_dev;
 517         struct fimc_variant *variant = fimc->variant;
 518         unsigned int flags = FIMC_DST_FMT | FIMC_SRC_FMT;
 519         int ret = 0;
 520
 521         if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
 522                 return 0;
 523
 524         switch (ctrl->id) {
 525         case V4L2_CID_HFLIP:
 526                 ctx->hflip = ctrl->val;
 527                 break;
 528
 529         case V4L2_CID_VFLIP:
 530                 ctx->vflip = ctrl->val;
 531                 break;
 532
 533         case V4L2_CID_ROTATE:
 534                 if (fimc_capture_pending(fimc) ||
 535                     (ctx->state & flags) == flags) {
 536                         ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
 537                                         ctx->s_frame.height, ctx->d_frame.width,
 538                                         ctx->d_frame.height, ctrl->val);
 539                         if (ret)
 540                                 return -EINVAL;
 541                 }
 542                 if ((ctrl->val == 90 || ctrl->val == 270) &&
 543                     !variant->has_out_rot)
 544                         return -EINVAL;
 545
 546                 ctx->rotation = ctrl->val;
 547                 break;
 548
 549         case V4L2_CID_ALPHA_COMPONENT:
 550                 ctx->d_frame.alpha = ctrl->val;
 551                 break;
 552
 553         case V4L2_CID_COLORFX:
 554                 ret = fimc_set_color_effect(ctx, ctrl->val);
 555                 if (ret)
 556                         return ret;
 557                 break;
 558         }
 559
 560         ctx->state |= FIMC_PARAMS;
 561         set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
 562         return 0;
 563 }
 564
 565 static int fimc_s_ctrl(struct v4l2_ctrl *ctrl)
 566 {
 567         struct fimc_ctx *ctx = ctrl_to_ctx(ctrl);
 568         unsigned long flags;
 569         int ret;
 570
 571         spin_lock_irqsave(&ctx->fimc_dev->slock, flags);
 572         ret = __fimc_s_ctrl(ctx, ctrl);
 573         spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags);
 574
 575         return ret;
 576 }
 577
 578 static const struct v4l2_ctrl_ops fimc_ctrl_ops = {
 579         .s_ctrl = fimc_s_ctrl,
 580 };
 581
 582 int fimc_ctrls_create(struct fimc_ctx *ctx)
 583 {
 584         struct fimc_variant *variant = ctx->fimc_dev->variant;
 585         unsigned int max_alpha = fimc_get_alpha_mask(ctx->d_frame.fmt);
 586         struct fimc_ctrls *ctrls = &ctx->ctrls;
 587         struct v4l2_ctrl_handler *handler = &ctrls->handler;
 588
 589         if (ctx->ctrls.ready)
 590                 return 0;
 591
 592         v4l2_ctrl_handler_init(handler, 6);
 593
 594         ctrls->rotate = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
 595                                         V4L2_CID_ROTATE, 0, 270, 90, 0);
 596         ctrls->hflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
 597                                         V4L2_CID_HFLIP, 0, 1, 1, 0);
 598         ctrls->vflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
 599                                         V4L2_CID_VFLIP, 0, 1, 1, 0);
 600
 601         if (variant->has_alpha)
 602                 ctrls->alpha = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
 603                                         V4L2_CID_ALPHA_COMPONENT,
 604                                         0, max_alpha, 1, 0);
 605         else
 606                 ctrls->alpha = NULL;
 607
 608         ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, &fimc_ctrl_ops,
 609                                 V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR,
 610                                 ~0x983f, V4L2_COLORFX_NONE);
 611
 612         ctrls->colorfx_cbcr = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
 613                                 V4L2_CID_COLORFX_CBCR, 0, 0xffff, 1, 0);
 614
 615         ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
 616
 617         if (!handler->error) {
 618                 v4l2_ctrl_cluster(3, &ctrls->colorfx);
 619                 ctrls->ready = true;
 620         }
 621
 622         return handler->error;
 623 }
 624
 625 void fimc_ctrls_delete(struct fimc_ctx *ctx)
 626 {
 627         struct fimc_ctrls *ctrls = &ctx->ctrls;
 628
 629         if (ctrls->ready) {
 630                 v4l2_ctrl_handler_free(&ctrls->handler);
 631                 ctrls->ready = false;
 632                 ctrls->alpha = NULL;
 633         }
 634 }
 635
 636 void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active)
 637 {
 638         unsigned int has_alpha = ctx->d_frame.fmt->flags & FMT_HAS_ALPHA;
 639         struct fimc_ctrls *ctrls = &ctx->ctrls;
 640
 641         if (!ctrls->ready)
 642                 return;
 643
 644         mutex_lock(&ctrls->handler.lock);
 645         v4l2_ctrl_activate(ctrls->rotate, active);
 646         v4l2_ctrl_activate(ctrls->hflip, active);
 647         v4l2_ctrl_activate(ctrls->vflip, active);
 648         v4l2_ctrl_activate(ctrls->colorfx, active);
 649         if (ctrls->alpha)
 650                 v4l2_ctrl_activate(ctrls->alpha, active && has_alpha);
 651
 652         if (active) {
 653                 fimc_set_color_effect(ctx, ctrls->colorfx->cur.val);
 654                 ctx->rotation = ctrls->rotate->val;
 655                 ctx->hflip    = ctrls->hflip->val;
 656                 ctx->vflip    = ctrls->vflip->val;
 657         } else {
 658                 ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
 659                 ctx->rotation = 0;
 660                 ctx->hflip    = 0;
 661                 ctx->vflip    = 0;
 662         }
 663         mutex_unlock(&ctrls->handler.lock);
 664 }
 665
 666 /* Update maximum value of the alpha color control */
 667 void fimc_alpha_ctrl_update(struct fimc_ctx *ctx)
 668 {
 669         struct fimc_dev *fimc = ctx->fimc_dev;
 670         struct v4l2_ctrl *ctrl = ctx->ctrls.alpha;
 671
 672         if (ctrl == NULL || !fimc->variant->has_alpha)
 673                 return;
 674
 675         v4l2_ctrl_lock(ctrl);
 676         ctrl->maximum = fimc_get_alpha_mask(ctx->d_frame.fmt);
 677
 678         if (ctrl->cur.val > ctrl->maximum)
 679                 ctrl->cur.val = ctrl->maximum;
 680
 681         v4l2_ctrl_unlock(ctrl);
 682 }
 683
 684 int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f)
 685 {
 686         struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
 687         int i;
 688
 689         pixm->width = frame->o_width;
 690         pixm->height = frame->o_height;
 691         pixm->field = V4L2_FIELD_NONE;
 692         pixm->pixelformat = frame->fmt->fourcc;
 693         pixm->colorspace = V4L2_COLORSPACE_JPEG;
 694         pixm->num_planes = frame->fmt->memplanes;
 695
 696         for (i = 0; i < pixm->num_planes; ++i) {
 697                 int bpl = frame->f_width;
 698                 if (frame->fmt->colplanes == 1) /* packed formats */
 699                         bpl = (bpl * frame->fmt->depth[0]) / 8;
 700                 pixm->plane_fmt[i].bytesperline = bpl;
 701                 pixm->plane_fmt[i].sizeimage = (frame->o_width *
 702                         frame->o_height * frame->fmt->depth[i]) / 8;
 703         }
 704         return 0;
 705 }
 706
 707 void fimc_fill_frame(struct fimc_frame *frame, struct v4l2_format *f)
 708 {
 709         struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
 710
 711         frame->f_width  = pixm->plane_fmt[0].bytesperline;
 712         if (frame->fmt->colplanes == 1)
 713                 frame->f_width = (frame->f_width * 8) / frame->fmt->depth[0];
 714         frame->f_height = pixm->height;
 715         frame->width    = pixm->width;
 716         frame->height   = pixm->height;
 717         frame->o_width  = pixm->width;
 718         frame->o_height = pixm->height;
 719         frame->offs_h   = 0;
 720         frame->offs_v   = 0;
 721 }
 722
 723 /**
 724  * fimc_adjust_mplane_format - adjust bytesperline/sizeimage for each plane
 725  * @fmt: fimc pixel format description (input)
 726  * @width: requested pixel width
 727  * @height: requested pixel height
 728  * @pix: multi-plane format to adjust
 729  */
 730 void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
 731                                struct v4l2_pix_format_mplane *pix)
 732 {
 733         u32 bytesperline = 0;
 734         int i;
 735
 736         pix->colorspace = V4L2_COLORSPACE_JPEG;
 737         pix->field = V4L2_FIELD_NONE;
 738         pix->num_planes = fmt->memplanes;
 739         pix->pixelformat = fmt->fourcc;
 740         pix->height = height;
 741         pix->width = width;
 742
 743         for (i = 0; i < pix->num_planes; ++i) {
 744                 u32 bpl = pix->plane_fmt[i].bytesperline;
 745                 u32 *sizeimage = &pix->plane_fmt[i].sizeimage;
 746
 747                 if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
 748                         bpl = pix->width; /* Planar */
 749
 750                 if (fmt->colplanes == 1 && /* Packed */
 751                     (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width))
 752                         bpl = (pix->width * fmt->depth[0]) / 8;
 753
 754                 if (i == 0) /* Same bytesperline for each plane. */
 755                         bytesperline = bpl;
 756
 757                 pix->plane_fmt[i].bytesperline = bytesperline;
 758                 *sizeimage = (pix->width * pix->height * fmt->depth[i]) / 8;
 759         }
 760 }
 761
 762 /**
 763  * fimc_find_format - lookup fimc color format by fourcc or media bus format
 764  * @pixelformat: fourcc to match, ignored if null
 765  * @mbus_code: media bus code to match, ignored if null
 766  * @mask: the color flags to match
 767  * @index: offset in the fimc_formats array, ignored if negative
 768  */
 769 struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code,
 770                                   unsigned int mask, int index)
 771 {
 772         struct fimc_fmt *fmt, *def_fmt = NULL;
 773         unsigned int i;
 774         int id = 0;
 775
 776         if (index >= (int)ARRAY_SIZE(fimc_formats))
 777                 return NULL;
 778
 779         for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
 780                 fmt = &fimc_formats[i];
 781                 if (!(fmt->flags & mask))
 782                         continue;
 783                 if (pixelformat && fmt->fourcc == *pixelformat)
 784                         return fmt;
 785                 if (mbus_code && fmt->mbus_code == *mbus_code)
 786                         return fmt;
 787                 if (index == id)
 788                         def_fmt = fmt;
 789                 id++;
 790         }
 791         return def_fmt;
 792 }
 793
 794 static void fimc_clk_put(struct fimc_dev *fimc)
 795 {
 796         int i;
 797         for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
 798                 if (IS_ERR_OR_NULL(fimc->clock[i]))
 799                         continue;
 800                 clk_unprepare(fimc->clock[i]);
 801                 clk_put(fimc->clock[i]);
 802                 fimc->clock[i] = NULL;
 803         }
 804 }
 805
 806 static int fimc_clk_get(struct fimc_dev *fimc)
 807 {
 808         int i, ret;
 809
 810         for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
 811                 fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
 812                 if (IS_ERR(fimc->clock[i]))
 813                         goto err;
 814                 ret = clk_prepare(fimc->clock[i]);
 815                 if (ret < 0) {
 816                         clk_put(fimc->clock[i]);
 817                         fimc->clock[i] = NULL;
 818                         goto err;
 819                 }
 820         }
 821         return 0;
 822 err:
 823         fimc_clk_put(fimc);
 824         dev_err(&fimc->pdev->dev, "failed to get clock: %s\n",
 825                 fimc_clocks[i]);
 826         return -ENXIO;
 827 }
 828
 829 static int fimc_m2m_suspend(struct fimc_dev *fimc)
 830 {
 831         unsigned long flags;
 832         int timeout;
 833
 834         spin_lock_irqsave(&fimc->slock, flags);
 835         if (!fimc_m2m_pending(fimc)) {
 836                 spin_unlock_irqrestore(&fimc->slock, flags);
 837                 return 0;
 838         }
 839         clear_bit(ST_M2M_SUSPENDED, &fimc->state);
 840         set_bit(ST_M2M_SUSPENDING, &fimc->state);
 841         spin_unlock_irqrestore(&fimc->slock, flags);
 842
 843         timeout = wait_event_timeout(fimc->irq_queue,
 844                              test_bit(ST_M2M_SUSPENDED, &fimc->state),
 845                              FIMC_SHUTDOWN_TIMEOUT);
 846
 847         clear_bit(ST_M2M_SUSPENDING, &fimc->state);
 848         return timeout == 0 ? -EAGAIN : 0;
 849 }
 850
 851 static int fimc_m2m_resume(struct fimc_dev *fimc)
 852 {
 853         unsigned long flags;
 854
 855         spin_lock_irqsave(&fimc->slock, flags);
 856         /* Clear for full H/W setup in first run after resume */
 857         fimc->m2m.ctx = NULL;
 858         spin_unlock_irqrestore(&fimc->slock, flags);
 859
 860         if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state))
 861                 fimc_m2m_job_finish(fimc->m2m.ctx,
 862                                     VB2_BUF_STATE_ERROR);
 863         return 0;
 864 }
 865
 866 static int fimc_probe(struct platform_device *pdev)
 867 {
 868         struct fimc_drvdata *drv_data = fimc_get_drvdata(pdev);
 869         struct s5p_platform_fimc *pdata;
 870         struct fimc_dev *fimc;
 871         struct resource *res;
 872         int ret = 0;
 873
 874         if (pdev->id >= drv_data->num_entities) {
 875                 dev_err(&pdev->dev, "Invalid platform device id: %d\n",
 876                         pdev->id);
 877                 return -EINVAL;
 878         }
 879
 880         fimc = devm_kzalloc(&pdev->dev, sizeof(*fimc), GFP_KERNEL);
 881         if (!fimc)
 882                 return -ENOMEM;
 883
 884         fimc->id = pdev->id;
 885
 886         fimc->variant = drv_data->variant[fimc->id];
 887         fimc->pdev = pdev;
 888         pdata = pdev->dev.platform_data;
 889         fimc->pdata = pdata;
 890
 891         init_waitqueue_head(&fimc->irq_queue);
 892         spin_lock_init(&fimc->slock);
 893         mutex_init(&fimc->lock);
 894
 895         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 896         fimc->regs = devm_request_and_ioremap(&pdev->dev, res);
 897         if (fimc->regs == NULL) {
 898                 dev_err(&pdev->dev, "Failed to obtain io memory\n");
 899                 return -ENOENT;
 900         }
 901
 902         res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 903         if (res == NULL) {
 904                 dev_err(&pdev->dev, "Failed to get IRQ resource\n");
 905                 return -ENXIO;
 906         }
 907
 908         ret = fimc_clk_get(fimc);
 909         if (ret)
 910                 return ret;
 911         clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency);
 912         clk_enable(fimc->clock[CLK_BUS]);
 913
 914         ret = devm_request_irq(&pdev->dev, res->start, fimc_irq_handler,
 915                                0, dev_name(&pdev->dev), fimc);
 916         if (ret) {
 917                 dev_err(&pdev->dev, "failed to install irq (%d)\n", ret);
 918                 goto err_clk;
 919         }
 920
 921         ret = fimc_initialize_capture_subdev(fimc);
 922         if (ret)
 923                 goto err_clk;
 924
 925         platform_set_drvdata(pdev, fimc);
 926         pm_runtime_enable(&pdev->dev);
 927         ret = pm_runtime_get_sync(&pdev->dev);
 928         if (ret < 0)
 929                 goto err_sd;
 930         /* Initialize contiguous memory allocator */
 931         fimc->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
 932         if (IS_ERR(fimc->alloc_ctx)) {
 933                 ret = PTR_ERR(fimc->alloc_ctx);
 934                 goto err_pm;
 935         }
 936
 937         dev_dbg(&pdev->dev, "FIMC.%d registered successfully\n", fimc->id);
 938
 939         pm_runtime_put(&pdev->dev);
 940         return 0;
 941 err_pm:
 942         pm_runtime_put(&pdev->dev);
 943 err_sd:
 944         fimc_unregister_capture_subdev(fimc);
 945 err_clk:
 946         fimc_clk_put(fimc);
 947         return ret;
 948 }
 949
 950 static int fimc_runtime_resume(struct device *dev)
 951 {
 952         struct fimc_dev *fimc = dev_get_drvdata(dev);
 953
 954         dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
 955
 956         /* Enable clocks and perform basic initalization */
 957         clk_enable(fimc->clock[CLK_GATE]);
 958         fimc_hw_reset(fimc);
 959
 960         /* Resume the capture or mem-to-mem device */
 961         if (fimc_capture_busy(fimc))
 962                 return fimc_capture_resume(fimc);
 963
 964         return fimc_m2m_resume(fimc);
 965 }
 966
 967 static int fimc_runtime_suspend(struct device *dev)
 968 {
 969         struct fimc_dev *fimc = dev_get_drvdata(dev);
 970         int ret = 0;
 971
 972         if (fimc_capture_busy(fimc))
 973                 ret = fimc_capture_suspend(fimc);
 974         else
 975                 ret = fimc_m2m_suspend(fimc);
 976         if (!ret)
 977                 clk_disable(fimc->clock[CLK_GATE]);
 978
 979         dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
 980         return ret;
 981 }
 982
 983 #ifdef CONFIG_PM_SLEEP
 984 static int fimc_resume(struct device *dev)
 985 {
 986         struct fimc_dev *fimc = dev_get_drvdata(dev);
 987         unsigned long flags;
 988
 989         dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
 990
 991         /* Do not resume if the device was idle before system suspend */
 992         spin_lock_irqsave(&fimc->slock, flags);
 993         if (!test_and_clear_bit(ST_LPM, &fimc->state) ||
 994             (!fimc_m2m_active(fimc) && !fimc_capture_busy(fimc))) {
 995                 spin_unlock_irqrestore(&fimc->slock, flags);
 996                 return 0;
 997         }
 998         fimc_hw_reset(fimc);
 999         spin_unlock_irqrestore(&fimc->slock, flags);
1000
1001         if (fimc_capture_busy(fimc))
1002                 return fimc_capture_resume(fimc);
1003
1004         return fimc_m2m_resume(fimc);
1005 }
1006
1007 static int fimc_suspend(struct device *dev)
1008 {
1009         struct fimc_dev *fimc = dev_get_drvdata(dev);
1010
1011         dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1012
1013         if (test_and_set_bit(ST_LPM, &fimc->state))
1014                 return 0;
1015         if (fimc_capture_busy(fimc))
1016                 return fimc_capture_suspend(fimc);
1017
1018         return fimc_m2m_suspend(fimc);
1019 }
1020 #endif /* CONFIG_PM_SLEEP */
1021
1022 static int __devexit fimc_remove(struct platform_device *pdev)
1023 {
1024         struct fimc_dev *fimc = platform_get_drvdata(pdev);
1025
1026         pm_runtime_disable(&pdev->dev);
1027         pm_runtime_set_suspended(&pdev->dev);
1028
1029         fimc_unregister_capture_subdev(fimc);
1030         vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
1031
1032         clk_disable(fimc->clock[CLK_BUS]);
1033         fimc_clk_put(fimc);
1034
1035         dev_info(&pdev->dev, "driver unloaded\n");
1036         return 0;
1037 }
1038
1039 /* Image pixel limits, similar across several FIMC HW revisions. */
1040 static struct fimc_pix_limit s5p_pix_limit[4] = {
1041         [0] = {
1042                 .scaler_en_w    = 3264,
1043                 .scaler_dis_w   = 8192,
1044                 .in_rot_en_h    = 1920,
1045                 .in_rot_dis_w   = 8192,
1046                 .out_rot_en_w   = 1920,
1047                 .out_rot_dis_w  = 4224,
1048         },
1049         [1] = {
1050                 .scaler_en_w    = 4224,
1051                 .scaler_dis_w   = 8192,
1052                 .in_rot_en_h    = 1920,
1053                 .in_rot_dis_w   = 8192,
1054                 .out_rot_en_w   = 1920,
1055                 .out_rot_dis_w  = 4224,
1056         },
1057         [2] = {
1058                 .scaler_en_w    = 1920,
1059                 .scaler_dis_w   = 8192,
1060                 .in_rot_en_h    = 1280,
1061                 .in_rot_dis_w   = 8192,
1062                 .out_rot_en_w   = 1280,
1063                 .out_rot_dis_w  = 1920,
1064         },
1065         [3] = {
1066                 .scaler_en_w    = 1920,
1067                 .scaler_dis_w   = 8192,
1068                 .in_rot_en_h    = 1366,
1069                 .in_rot_dis_w   = 8192,
1070                 .out_rot_en_w   = 1366,
1071                 .out_rot_dis_w  = 1920,
1072         },
1073 };
1074
1075 static struct fimc_variant fimc0_variant_s5p = {
1076         .has_inp_rot     = 1,
1077         .has_out_rot     = 1,
1078         .has_cam_if      = 1,
1079         .min_inp_pixsize = 16,
1080         .min_out_pixsize = 16,
1081         .hor_offs_align  = 8,
1082         .min_vsize_align = 16,
1083         .out_buf_count   = 4,
1084         .pix_limit       = &s5p_pix_limit[0],
1085 };
1086
1087 static struct fimc_variant fimc2_variant_s5p = {
1088         .has_cam_if      = 1,
1089         .min_inp_pixsize = 16,
1090         .min_out_pixsize = 16,
1091         .hor_offs_align  = 8,
1092         .min_vsize_align = 16,
1093         .out_buf_count   = 4,
1094         .pix_limit       = &s5p_pix_limit[1],
1095 };
1096
1097 static struct fimc_variant fimc0_variant_s5pv210 = {
1098         .pix_hoff        = 1,
1099         .has_inp_rot     = 1,
1100         .has_out_rot     = 1,
1101         .has_cam_if      = 1,
1102         .min_inp_pixsize = 16,
1103         .min_out_pixsize = 16,
1104         .hor_offs_align  = 8,
1105         .min_vsize_align = 16,
1106         .out_buf_count   = 4,
1107         .pix_limit       = &s5p_pix_limit[1],
1108 };
1109
1110 static struct fimc_variant fimc1_variant_s5pv210 = {
1111         .pix_hoff        = 1,
1112         .has_inp_rot     = 1,
1113         .has_out_rot     = 1,
1114         .has_cam_if      = 1,
1115         .has_mainscaler_ext = 1,
1116         .min_inp_pixsize = 16,
1117         .min_out_pixsize = 16,
1118         .hor_offs_align  = 1,
1119         .min_vsize_align = 1,
1120         .out_buf_count   = 4,
1121         .pix_limit       = &s5p_pix_limit[2],
1122 };
1123
1124 static struct fimc_variant fimc2_variant_s5pv210 = {
1125         .has_cam_if      = 1,
1126         .pix_hoff        = 1,
1127         .min_inp_pixsize = 16,
1128         .min_out_pixsize = 16,
1129         .hor_offs_align  = 8,
1130         .min_vsize_align = 16,
1131         .out_buf_count   = 4,
1132         .pix_limit       = &s5p_pix_limit[2],
1133 };
1134
1135 static struct fimc_variant fimc0_variant_exynos4 = {
1136         .pix_hoff        = 1,
1137         .has_inp_rot     = 1,
1138         .has_out_rot     = 1,
1139         .has_cam_if      = 1,
1140         .has_cistatus2   = 1,
1141         .has_mainscaler_ext = 1,
1142         .has_alpha       = 1,
1143         .min_inp_pixsize = 16,
1144         .min_out_pixsize = 16,
1145         .hor_offs_align  = 2,
1146         .min_vsize_align = 1,
1147         .out_buf_count   = 32,
1148         .pix_limit       = &s5p_pix_limit[1],
1149 };
1150
1151 static struct fimc_variant fimc3_variant_exynos4 = {
1152         .pix_hoff        = 1,
1153         .has_cam_if      = 1,
1154         .has_cistatus2   = 1,
1155         .has_mainscaler_ext = 1,
1156         .has_alpha       = 1,
1157         .min_inp_pixsize = 16,
1158         .min_out_pixsize = 16,
1159         .hor_offs_align  = 2,
1160         .min_vsize_align = 1,
1161         .out_buf_count   = 32,
1162         .pix_limit       = &s5p_pix_limit[3],
1163 };
1164
1165 /* S5PC100 */
1166 static struct fimc_drvdata fimc_drvdata_s5p = {
1167         .variant = {
1168                 [0] = &fimc0_variant_s5p,
1169                 [1] = &fimc0_variant_s5p,
1170                 [2] = &fimc2_variant_s5p,
1171         },
1172         .num_entities = 3,
1173         .lclk_frequency = 133000000UL,
1174 };
1175
1176 /* S5PV210, S5PC110 */
1177 static struct fimc_drvdata fimc_drvdata_s5pv210 = {
1178         .variant = {
1179                 [0] = &fimc0_variant_s5pv210,
1180                 [1] = &fimc1_variant_s5pv210,
1181                 [2] = &fimc2_variant_s5pv210,
1182         },
1183         .num_entities = 3,
1184         .lclk_frequency = 166000000UL,
1185 };
1186
1187 /* EXYNOS4210, S5PV310, S5PC210 */
1188 static struct fimc_drvdata fimc_drvdata_exynos4 = {
1189         .variant = {
1190                 [0] = &fimc0_variant_exynos4,
1191                 [1] = &fimc0_variant_exynos4,
1192                 [2] = &fimc0_variant_exynos4,
1193                 [3] = &fimc3_variant_exynos4,
1194         },
1195         .num_entities = 4,
1196         .lclk_frequency = 166000000UL,
1197 };
1198
1199 static struct platform_device_id fimc_driver_ids[] = {
1200         {
1201                 .name           = "s5p-fimc",
1202                 .driver_data    = (unsigned long)&fimc_drvdata_s5p,
1203         }, {
1204                 .name           = "s5pv210-fimc",
1205                 .driver_data    = (unsigned long)&fimc_drvdata_s5pv210,
1206         }, {
1207                 .name           = "exynos4-fimc",
1208                 .driver_data    = (unsigned long)&fimc_drvdata_exynos4,
1209         },
1210         {},
1211 };
1212 MODULE_DEVICE_TABLE(platform, fimc_driver_ids);
1213
1214 static const struct dev_pm_ops fimc_pm_ops = {
1215         SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
1216         SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
1217 };
1218
1219 static struct platform_driver fimc_driver = {
1220         .probe          = fimc_probe,
1221         .remove         = __devexit_p(fimc_remove),
1222         .id_table       = fimc_driver_ids,
1223         .driver = {
1224                 .name   = FIMC_MODULE_NAME,
1225                 .owner  = THIS_MODULE,
1226                 .pm     = &fimc_pm_ops,
1227         }
1228 };
1229
1230 int __init fimc_register_driver(void)
1231 {
1232         return platform_driver_register(&fimc_driver);
1233 }
1234
1235 void __exit fimc_unregister_driver(void)
1236 {
1237         platform_driver_unregister(&fimc_driver);
1238 }