drivers/staging/media/atomisp/pci/atomisp_cmd.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Support for Medifield PNW Camera Imaging ISP subsystem.
   4  *
   5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
   6  *
   7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  *
  19  */
  20 #include <linux/errno.h>
  21 #include <linux/firmware.h>
  22 #include <linux/pci.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/io.h>
  25 #include <linux/kernel.h>
  26 #include <linux/kfifo.h>
  27 #include <linux/pm_runtime.h>
  28 #include <linux/timer.h>
  29
  30 #include <asm/iosf_mbi.h>
  31
  32 #include <media/v4l2-event.h>
  33
  34 #define CREATE_TRACE_POINTS
  35 #include "atomisp_trace_event.h"
  36
  37 #include "atomisp_cmd.h"
  38 #include "atomisp_common.h"
  39 #include "atomisp_fops.h"
  40 #include "atomisp_internal.h"
  41 #include "atomisp_ioctl.h"
  42 #include "atomisp-regs.h"
  43 #include "atomisp_tables.h"
  44 #include "atomisp_compat.h"
  45 #include "atomisp_subdev.h"
  46 #include "atomisp_dfs_tables.h"
  47
  48 #include <hmm/hmm.h>
  49
  50 #include "sh_css_hrt.h"
  51 #include "sh_css_defs.h"
  52 #include "system_global.h"
  53 #include "sh_css_internal.h"
  54 #include "sh_css_sp.h"
  55 #include "gp_device.h"
  56 #include "device_access.h"
  57 #include "irq.h"
  58
  59 #include "ia_css_types.h"
  60 #include "ia_css_stream.h"
  61 #include "ia_css_debug.h"
  62 #include "bits.h"
  63
  64 /* We should never need to run the flash for more than 2 frames.
  65  * At 15fps this means 133ms. We set the timeout a bit longer.
  66  * Each flash driver is supposed to set its own timeout, but
  67  * just in case someone else changed the timeout, we set it
  68  * here to make sure we don't damage the flash hardware. */
  69 #define FLASH_TIMEOUT 800 /* ms */
  70
  71 union host {
  72         struct {
  73                 void *kernel_ptr;
  74                 void __user *user_ptr;
  75                 int size;
  76         } scalar;
  77         struct {
  78                 void *hmm_ptr;
  79         } ptr;
  80 };
  81
  82 /*
  83  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
  84  * subdev->priv is set in mrst.c
  85  */
  86 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
  87 {
  88         return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
  89 }
  90
  91 /*
  92  * get struct atomisp_video_pipe from v4l2 video_device
  93  */
  94 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
  95 {
  96         return (struct atomisp_video_pipe *)
  97                container_of(dev, struct atomisp_video_pipe, vdev);
  98 }
  99
 100 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
 101 {
 102         struct v4l2_subdev_frame_interval fi = { 0 };
 103         struct atomisp_device *isp = asd->isp;
 104
 105         unsigned short fps = 0;
 106         int ret;
 107
 108         ret = v4l2_subdev_call_state_active(isp->inputs[asd->input_curr].camera,
 109                                             pad, get_frame_interval, &fi);
 110
 111         if (!ret && fi.interval.numerator)
 112                 fps = fi.interval.denominator / fi.interval.numerator;
 113
 114         return fps;
 115 }
 116
 117 /*
 118  * DFS progress is shown as follows:
 119  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
 120  *    mode.
 121  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
 122  *    with proper rounding.
 123  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
 124  *    to 200MHz in ISPSSPM1.
 125  * 4. Wait for FREQVALID to be cleared by P-Unit.
 126  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
 127  */
 128 static int write_target_freq_to_hw(struct atomisp_device *isp,
 129                                    unsigned int new_freq)
 130 {
 131         unsigned int ratio, timeout, guar_ratio;
 132         u32 isp_sspm1 = 0;
 133         int i;
 134
 135         if (!isp->hpll_freq) {
 136                 dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
 137                 return -EINVAL;
 138         }
 139
 140         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 141         if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
 142                 dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
 143                 iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
 144                                isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
 145         }
 146
 147         ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
 148         guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
 149
 150         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 151         isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
 152
 153         for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
 154                 iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
 155                                isp_sspm1
 156                                | ratio << ISP_REQ_FREQ_OFFSET
 157                                | 1 << ISP_FREQ_VALID_OFFSET
 158                                | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
 159
 160                 iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 161                 timeout = 20;
 162                 while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
 163                         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 164                         dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
 165                         udelay(100);
 166                         timeout--;
 167                 }
 168
 169                 if (timeout != 0)
 170                         break;
 171         }
 172
 173         if (timeout == 0) {
 174                 dev_err(isp->dev, "DFS failed due to HW error.\n");
 175                 return -EINVAL;
 176         }
 177
 178         iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 179         timeout = 10;
 180         while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
 181                 iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
 182                 dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
 183                         new_freq);
 184                 udelay(100);
 185                 timeout--;
 186         }
 187         if (timeout == 0) {
 188                 dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
 189                 return -EINVAL;
 190         }
 191
 192         return 0;
 193 }
 194
 195 int atomisp_freq_scaling(struct atomisp_device *isp,
 196                          enum atomisp_dfs_mode mode,
 197                          bool force)
 198 {
 199         const struct atomisp_dfs_config *dfs;
 200         unsigned int new_freq;
 201         struct atomisp_freq_scaling_rule curr_rules;
 202         int i, ret;
 203         unsigned short fps = 0;
 204
 205         dfs = isp->dfs;
 206
 207         if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
 208             dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
 209             !dfs->dfs_table) {
 210                 dev_err(isp->dev, "DFS configuration is invalid.\n");
 211                 return -EINVAL;
 212         }
 213
 214         if (mode == ATOMISP_DFS_MODE_LOW) {
 215                 new_freq = dfs->lowest_freq;
 216                 goto done;
 217         }
 218
 219         if (mode == ATOMISP_DFS_MODE_MAX) {
 220                 new_freq = dfs->highest_freq;
 221                 goto done;
 222         }
 223
 224         fps = atomisp_get_sensor_fps(&isp->asd);
 225         if (fps == 0) {
 226                 dev_info(isp->dev,
 227                          "Sensor didn't report FPS. Using DFS max mode.\n");
 228                 new_freq = dfs->highest_freq;
 229                 goto done;
 230         }
 231
 232         curr_rules.width = isp->asd.fmt[ATOMISP_SUBDEV_PAD_SOURCE].fmt.width;
 233         curr_rules.height = isp->asd.fmt[ATOMISP_SUBDEV_PAD_SOURCE].fmt.height;
 234         curr_rules.fps = fps;
 235         curr_rules.run_mode = isp->asd.run_mode->val;
 236
 237         /* search for the target frequency by looping freq rules*/
 238         for (i = 0; i < dfs->dfs_table_size; i++) {
 239                 if (curr_rules.width != dfs->dfs_table[i].width &&
 240                     dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
 241                         continue;
 242                 if (curr_rules.height != dfs->dfs_table[i].height &&
 243                     dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
 244                         continue;
 245                 if (curr_rules.fps != dfs->dfs_table[i].fps &&
 246                     dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
 247                         continue;
 248                 if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
 249                     dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
 250                         continue;
 251                 break;
 252         }
 253
 254         if (i == dfs->dfs_table_size)
 255                 new_freq = dfs->max_freq_at_vmin;
 256         else
 257                 new_freq = dfs->dfs_table[i].isp_freq;
 258
 259 done:
 260         dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
 261
 262         if ((new_freq == isp->running_freq) && !force)
 263                 return 0;
 264
 265         dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
 266
 267         ret = write_target_freq_to_hw(isp, new_freq);
 268         if (!ret) {
 269                 isp->running_freq = new_freq;
 270                 trace_ipu_pstate(new_freq, -1);
 271         }
 272         return ret;
 273 }
 274
 275 /*
 276  * reset and restore ISP
 277  */
 278 int atomisp_reset(struct atomisp_device *isp)
 279 {
 280         /* Reset ISP by power-cycling it */
 281         int ret = 0;
 282
 283         dev_dbg(isp->dev, "%s\n", __func__);
 284
 285         ret = atomisp_power_off(isp->dev);
 286         if (ret < 0)
 287                 dev_err(isp->dev, "atomisp_power_off failed, %d\n", ret);
 288
 289         ret = atomisp_power_on(isp->dev);
 290         if (ret < 0) {
 291                 dev_err(isp->dev, "atomisp_power_on failed, %d\n", ret);
 292                 isp->isp_fatal_error = true;
 293         }
 294
 295         return ret;
 296 }
 297
 298 /*
 299  * interrupt disable functions
 300  */
 301 static void disable_isp_irq(enum hrt_isp_css_irq irq)
 302 {
 303         irq_disable_channel(IRQ0_ID, irq);
 304
 305         if (irq != hrt_isp_css_irq_sp)
 306                 return;
 307
 308         cnd_sp_irq_enable(SP0_ID, false);
 309 }
 310
 311 /*
 312  * interrupt clean function
 313  */
 314 static void clear_isp_irq(enum hrt_isp_css_irq irq)
 315 {
 316         irq_clear_all(IRQ0_ID);
 317 }
 318
 319 void atomisp_msi_irq_init(struct atomisp_device *isp)
 320 {
 321         struct pci_dev *pdev = to_pci_dev(isp->dev);
 322         u32 msg32;
 323         u16 msg16;
 324
 325         pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
 326         msg32 |= 1 << MSI_ENABLE_BIT;
 327         pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
 328
 329         msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
 330         pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
 331
 332         pci_read_config_word(pdev, PCI_COMMAND, &msg16);
 333         msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
 334                   PCI_COMMAND_INTX_DISABLE);
 335         pci_write_config_word(pdev, PCI_COMMAND, msg16);
 336 }
 337
 338 void atomisp_msi_irq_uninit(struct atomisp_device *isp)
 339 {
 340         struct pci_dev *pdev = to_pci_dev(isp->dev);
 341         u32 msg32;
 342         u16 msg16;
 343
 344         pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
 345         msg32 &=  ~(1 << MSI_ENABLE_BIT);
 346         pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
 347
 348         msg32 = 0x0;
 349         pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
 350
 351         pci_read_config_word(pdev, PCI_COMMAND, &msg16);
 352         msg16 &= ~(PCI_COMMAND_MASTER);
 353         pci_write_config_word(pdev, PCI_COMMAND, msg16);
 354 }
 355
 356 static void atomisp_sof_event(struct atomisp_sub_device *asd)
 357 {
 358         struct v4l2_event event = {0};
 359
 360         event.type = V4L2_EVENT_FRAME_SYNC;
 361         event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
 362
 363         v4l2_event_queue(asd->subdev.devnode, &event);
 364 }
 365
 366 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
 367 {
 368         struct v4l2_event event = {0};
 369
 370         event.type = V4L2_EVENT_FRAME_END;
 371         event.u.frame_sync.frame_sequence = exp_id;
 372
 373         v4l2_event_queue(asd->subdev.devnode, &event);
 374 }
 375
 376 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
 377         uint8_t exp_id)
 378 {
 379         struct v4l2_event event = {0};
 380
 381         event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
 382         event.u.frame_sync.frame_sequence = exp_id;
 383
 384         v4l2_event_queue(asd->subdev.devnode, &event);
 385 }
 386
 387 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
 388         enum atomisp_metadata_type md_type)
 389 {
 390         struct v4l2_event event = {0};
 391
 392         event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
 393         event.u.data[0] = md_type;
 394
 395         v4l2_event_queue(asd->subdev.devnode, &event);
 396 }
 397
 398 static void atomisp_reset_event(struct atomisp_sub_device *asd)
 399 {
 400         struct v4l2_event event = {0};
 401
 402         event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
 403
 404         v4l2_event_queue(asd->subdev.devnode, &event);
 405 }
 406
 407 static void print_csi_rx_errors(enum mipi_port_id port,
 408                                 struct atomisp_device *isp)
 409 {
 410         u32 infos = 0;
 411
 412         atomisp_css_rx_get_irq_info(port, &infos);
 413
 414         dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
 415         if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
 416                 dev_err(isp->dev, "  buffer overrun");
 417         if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
 418                 dev_err(isp->dev, "  start-of-transmission error");
 419         if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
 420                 dev_err(isp->dev, "  start-of-transmission sync error");
 421         if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
 422                 dev_err(isp->dev, "  control error");
 423         if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
 424                 dev_err(isp->dev, "  2 or more ECC errors");
 425         if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
 426                 dev_err(isp->dev, "  CRC mismatch");
 427         if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
 428                 dev_err(isp->dev, "  unknown error");
 429         if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
 430                 dev_err(isp->dev, "  frame sync error");
 431         if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
 432                 dev_err(isp->dev, "  frame data error");
 433         if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
 434                 dev_err(isp->dev, "  data timeout");
 435         if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
 436                 dev_err(isp->dev, "  unknown escape command entry");
 437         if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
 438                 dev_err(isp->dev, "  line sync error");
 439 }
 440
 441 /* Clear irq reg */
 442 static void clear_irq_reg(struct atomisp_device *isp)
 443 {
 444         struct pci_dev *pdev = to_pci_dev(isp->dev);
 445         u32 msg_ret;
 446
 447         pci_read_config_dword(pdev, PCI_INTERRUPT_CTRL, &msg_ret);
 448         msg_ret |= 1 << INTR_IIR;
 449         pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg_ret);
 450 }
 451
 452 /* interrupt handling function*/
 453 irqreturn_t atomisp_isr(int irq, void *dev)
 454 {
 455         struct atomisp_device *isp = (struct atomisp_device *)dev;
 456         struct atomisp_css_event eof_event;
 457         unsigned int irq_infos = 0;
 458         unsigned long flags;
 459         int err;
 460
 461         spin_lock_irqsave(&isp->lock, flags);
 462
 463         if (!isp->css_initialized) {
 464                 spin_unlock_irqrestore(&isp->lock, flags);
 465                 return IRQ_HANDLED;
 466         }
 467         err = atomisp_css_irq_translate(isp, &irq_infos);
 468         if (err) {
 469                 spin_unlock_irqrestore(&isp->lock, flags);
 470                 return IRQ_NONE;
 471         }
 472
 473         clear_irq_reg(isp);
 474
 475         if (!isp->asd.streaming)
 476                 goto out_nowake;
 477
 478         if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
 479                 atomic_inc(&isp->asd.sof_count);
 480                 atomisp_sof_event(&isp->asd);
 481
 482                 /*
 483                  * If sequence_temp and sequence are the same there where no frames
 484                  * lost so we can increase sequence_temp.
 485                  * If not then processing of frame is still in progress and driver
 486                  * needs to keep old sequence_temp value.
 487                  * NOTE: There is assumption here that ISP will not start processing
 488                  * next frame from sensor before old one is completely done.
 489                  */
 490                 if (atomic_read(&isp->asd.sequence) == atomic_read(&isp->asd.sequence_temp))
 491                         atomic_set(&isp->asd.sequence_temp, atomic_read(&isp->asd.sof_count));
 492
 493                 dev_dbg_ratelimited(isp->dev, "irq:0x%x (SOF)\n", irq_infos);
 494                 irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
 495         }
 496
 497         if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
 498                 atomic_set(&isp->asd.sequence, atomic_read(&isp->asd.sequence_temp));
 499
 500         if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
 501             (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
 502                 /* handle mipi receiver error */
 503                 u32 rx_infos;
 504                 enum mipi_port_id port;
 505
 506                 for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
 507                      port++) {
 508                         print_csi_rx_errors(port, isp);
 509                         atomisp_css_rx_get_irq_info(port, &rx_infos);
 510                         atomisp_css_rx_clear_irq_info(port, rx_infos);
 511                 }
 512         }
 513
 514         if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
 515                 while (ia_css_dequeue_isys_event(&eof_event.event) == 0) {
 516                         atomisp_eof_event(&isp->asd, eof_event.event.exp_id);
 517                         dev_dbg_ratelimited(isp->dev, "ISYS event: EOF exp_id %d\n",
 518                                             eof_event.event.exp_id);
 519                 }
 520
 521                 irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
 522                 if (irq_infos == 0)
 523                         goto out_nowake;
 524         }
 525
 526         spin_unlock_irqrestore(&isp->lock, flags);
 527
 528         dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
 529
 530         return IRQ_WAKE_THREAD;
 531
 532 out_nowake:
 533         spin_unlock_irqrestore(&isp->lock, flags);
 534
 535         if (irq_infos)
 536                 dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
 537                                     irq_infos);
 538
 539         return IRQ_HANDLED;
 540 }
 541
 542 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
 543 {
 544         int i;
 545
 546         memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
 547         for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
 548                 memset(asd->metadata_bufs_in_css[i], 0,
 549                        sizeof(asd->metadata_bufs_in_css[i]));
 550         asd->dis_bufs_in_css = 0;
 551 }
 552
 553 /* 0x100000 is the start of dmem inside SP */
 554 #define SP_DMEM_BASE    0x100000
 555
 556 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
 557                   unsigned int size)
 558 {
 559         unsigned int data = 0;
 560         unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
 561
 562         dev_dbg(isp->dev, "atomisp mmio base: %p\n", isp->base);
 563         dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
 564                 addr, size, size32);
 565         if (size32 * 4 + addr > 0x4000) {
 566                 dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
 567                         size32, addr);
 568                 return;
 569         }
 570         addr += SP_DMEM_BASE;
 571         addr &= 0x003FFFFF;
 572         do {
 573                 data = readl(isp->base + addr);
 574                 dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
 575                 addr += sizeof(u32);
 576         } while (--size32);
 577 }
 578
 579 int atomisp_buffers_in_css(struct atomisp_video_pipe *pipe)
 580 {
 581         unsigned long irqflags;
 582         struct list_head *pos;
 583         int buffers_in_css = 0;
 584
 585         spin_lock_irqsave(&pipe->irq_lock, irqflags);
 586
 587         list_for_each(pos, &pipe->buffers_in_css)
 588                 buffers_in_css++;
 589
 590         spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
 591
 592         return buffers_in_css;
 593 }
 594
 595 void atomisp_buffer_done(struct ia_css_frame *frame, enum vb2_buffer_state state)
 596 {
 597         struct atomisp_video_pipe *pipe = vb_to_pipe(&frame->vb.vb2_buf);
 598
 599         lockdep_assert_held(&pipe->irq_lock);
 600
 601         frame->vb.vb2_buf.timestamp = ktime_get_ns();
 602         frame->vb.field = pipe->pix.field;
 603         frame->vb.sequence = atomic_read(&pipe->asd->sequence);
 604         list_del(&frame->queue);
 605         if (state == VB2_BUF_STATE_DONE)
 606                 vb2_set_plane_payload(&frame->vb.vb2_buf, 0, pipe->pix.sizeimage);
 607         vb2_buffer_done(&frame->vb.vb2_buf, state);
 608 }
 609
 610 void atomisp_flush_video_pipe(struct atomisp_video_pipe *pipe, enum vb2_buffer_state state,
 611                               bool warn_on_css_frames)
 612 {
 613         struct ia_css_frame *frame, *_frame;
 614         unsigned long irqflags;
 615
 616         spin_lock_irqsave(&pipe->irq_lock, irqflags);
 617
 618         list_for_each_entry_safe(frame, _frame, &pipe->buffers_in_css, queue) {
 619                 if (warn_on_css_frames)
 620                         dev_warn(pipe->isp->dev, "Warning: CSS frames queued on flush\n");
 621                 atomisp_buffer_done(frame, state);
 622         }
 623
 624         list_for_each_entry_safe(frame, _frame, &pipe->activeq, queue)
 625                 atomisp_buffer_done(frame, state);
 626
 627         list_for_each_entry_safe(frame, _frame, &pipe->buffers_waiting_for_param, queue) {
 628                 pipe->frame_request_config_id[frame->vb.vb2_buf.index] = 0;
 629                 atomisp_buffer_done(frame, state);
 630         }
 631
 632         spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
 633 }
 634
 635 /* clean out the parameters that did not apply */
 636 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
 637 {
 638         struct atomisp_css_params_with_list *param;
 639
 640         while (!list_empty(&pipe->per_frame_params)) {
 641                 param = list_entry(pipe->per_frame_params.next,
 642                                    struct atomisp_css_params_with_list, list);
 643                 list_del(&param->list);
 644                 atomisp_free_css_parameters(&param->params);
 645                 kvfree(param);
 646         }
 647 }
 648
 649 /* Re-queue per-frame parameters */
 650 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
 651 {
 652         struct atomisp_css_params_with_list *param;
 653         int i;
 654
 655         for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 656                 param = pipe->frame_params[i];
 657                 if (param)
 658                         list_add_tail(&param->list, &pipe->per_frame_params);
 659                 pipe->frame_params[i] = NULL;
 660         }
 661         atomisp_handle_parameter_and_buffer(pipe);
 662 }
 663
 664 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
 665                       enum ia_css_buffer_type buf_type,
 666                       enum ia_css_pipe_id css_pipe_id,
 667                       bool q_buffers, enum atomisp_input_stream_id stream_id)
 668 {
 669         struct atomisp_video_pipe *pipe = NULL;
 670         struct atomisp_css_buffer buffer;
 671         bool requeue = false;
 672         unsigned long irqflags;
 673         struct ia_css_frame *frame = NULL;
 674         struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp, *s3a_iter;
 675         struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp, *dis_iter;
 676         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp, *md_iter;
 677         enum atomisp_metadata_type md_type;
 678         struct atomisp_device *isp = asd->isp;
 679         struct v4l2_control ctrl;
 680         int i, err;
 681
 682         lockdep_assert_held(&isp->mutex);
 683
 684         if (
 685             buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
 686             buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
 687             buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
 688             buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
 689             buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
 690             buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
 691             buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
 692             buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
 693                 dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
 694                         __func__, buf_type);
 695                 return;
 696         }
 697
 698         memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
 699         buffer.css_buffer.type = buf_type;
 700         err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
 701                                          buf_type, &buffer);
 702         if (err) {
 703                 dev_err(isp->dev,
 704                         "atomisp_css_dequeue_buffer failed: 0x%x\n", err);
 705                 return;
 706         }
 707
 708         switch (buf_type) {
 709         case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
 710                 list_for_each_entry_safe(s3a_iter, _s3a_buf_tmp,
 711                                          &asd->s3a_stats_in_css, list) {
 712                         if (s3a_iter->s3a_data ==
 713                             buffer.css_buffer.data.stats_3a) {
 714                                 list_del_init(&s3a_iter->list);
 715                                 list_add_tail(&s3a_iter->list,
 716                                               &asd->s3a_stats_ready);
 717                                 s3a_buf = s3a_iter;
 718                                 break;
 719                         }
 720                 }
 721
 722                 asd->s3a_bufs_in_css[css_pipe_id]--;
 723                 atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
 724                 if (s3a_buf)
 725                         dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
 726                                 __func__, s3a_buf->s3a_data->exp_id);
 727                 else
 728                         dev_dbg(isp->dev, "%s: s3a stat is ready with no exp_id found\n",
 729                                 __func__);
 730                 break;
 731         case IA_CSS_BUFFER_TYPE_METADATA:
 732                 if (error)
 733                         break;
 734
 735                 md_type = ATOMISP_MAIN_METADATA;
 736                 list_for_each_entry_safe(md_iter, _md_buf_tmp,
 737                                          &asd->metadata_in_css[md_type], list) {
 738                         if (md_iter->metadata ==
 739                             buffer.css_buffer.data.metadata) {
 740                                 list_del_init(&md_iter->list);
 741                                 list_add_tail(&md_iter->list,
 742                                               &asd->metadata_ready[md_type]);
 743                                 md_buf = md_iter;
 744                                 break;
 745                         }
 746                 }
 747                 asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
 748                 atomisp_metadata_ready_event(asd, md_type);
 749                 if (md_buf)
 750                         dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
 751                                 __func__, md_buf->metadata->exp_id);
 752                 else
 753                         dev_dbg(isp->dev, "%s: metadata is ready with no exp_id found\n",
 754                                 __func__);
 755                 break;
 756         case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
 757                 list_for_each_entry_safe(dis_iter, _dis_buf_tmp,
 758                                          &asd->dis_stats_in_css, list) {
 759                         if (dis_iter->dis_data ==
 760                             buffer.css_buffer.data.stats_dvs) {
 761                                 spin_lock_irqsave(&asd->dis_stats_lock,
 762                                                   irqflags);
 763                                 list_del_init(&dis_iter->list);
 764                                 list_add(&dis_iter->list, &asd->dis_stats);
 765                                 asd->params.dis_proj_data_valid = true;
 766                                 spin_unlock_irqrestore(&asd->dis_stats_lock,
 767                                                        irqflags);
 768                                 dis_buf = dis_iter;
 769                                 break;
 770                         }
 771                 }
 772                 asd->dis_bufs_in_css--;
 773                 if (dis_buf)
 774                         dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
 775                                 __func__, dis_buf->dis_data->exp_id);
 776                 else
 777                         dev_dbg(isp->dev, "%s: dis stat is ready with no exp_id found\n",
 778                                 __func__);
 779                 break;
 780         case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
 781         case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
 782                 frame = buffer.css_buffer.data.frame;
 783                 if (!frame) {
 784                         WARN_ON(1);
 785                         break;
 786                 }
 787                 if (!frame->valid)
 788                         error = true;
 789
 790                 pipe = vb_to_pipe(&frame->vb.vb2_buf);
 791
 792                 dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
 793                         __func__, frame->exp_id);
 794                 if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
 795                         if (frame->flash_state
 796                             == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
 797                                 dev_dbg(isp->dev, "%s thumb partially flashed\n",
 798                                         __func__);
 799                         else if (frame->flash_state
 800                                  == IA_CSS_FRAME_FLASH_STATE_FULL)
 801                                 dev_dbg(isp->dev, "%s thumb completely flashed\n",
 802                                         __func__);
 803                         else
 804                                 dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
 805                                         __func__);
 806                 }
 807                 pipe->frame_config_id[frame->vb.vb2_buf.index] = frame->isp_config_id;
 808                 break;
 809         case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
 810         case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
 811                 frame = buffer.css_buffer.data.frame;
 812                 if (!frame) {
 813                         WARN_ON(1);
 814                         break;
 815                 }
 816
 817                 if (!frame->valid)
 818                         error = true;
 819
 820                 pipe = vb_to_pipe(&frame->vb.vb2_buf);
 821
 822                 dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
 823                         __func__, frame->exp_id);
 824
 825                 i = frame->vb.vb2_buf.index;
 826
 827                 /* free the parameters */
 828                 if (pipe->frame_params[i]) {
 829                         if (asd->params.dvs_6axis == pipe->frame_params[i]->params.dvs_6axis)
 830                                 asd->params.dvs_6axis = NULL;
 831                         atomisp_free_css_parameters(&pipe->frame_params[i]->params);
 832                         kvfree(pipe->frame_params[i]);
 833                         pipe->frame_params[i] = NULL;
 834                 }
 835
 836                 pipe->frame_config_id[i] = frame->isp_config_id;
 837                 ctrl.id = V4L2_CID_FLASH_MODE;
 838                 if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
 839                         if (frame->flash_state == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
 840                                 asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
 841                                 dev_dbg(isp->dev, "%s partially flashed\n", __func__);
 842                         } else if (frame->flash_state == IA_CSS_FRAME_FLASH_STATE_FULL) {
 843                                 asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
 844                                 asd->params.num_flash_frames--;
 845                                 dev_dbg(isp->dev, "%s completely flashed\n", __func__);
 846                         } else {
 847                                 asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
 848                                 dev_dbg(isp->dev, "%s no flash in this frame\n", __func__);
 849                         }
 850
 851                         /* Check if flashing sequence is done */
 852                         if (asd->frame_status[i] == ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
 853                                 asd->params.flash_state = ATOMISP_FLASH_DONE;
 854                 } else if (isp->flash) {
 855                         if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) == 0 &&
 856                             ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
 857                                 ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
 858                                 if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) == 0 &&
 859                                     ctrl.value > 0)
 860                                         asd->frame_status[i] = ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
 861                                 else
 862                                         asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
 863                         } else {
 864                                 asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
 865                         }
 866                 } else {
 867                         asd->frame_status[i] = ATOMISP_FRAME_STATUS_OK;
 868                 }
 869
 870                 asd->params.last_frame_status = asd->frame_status[i];
 871
 872                 if (asd->params.css_update_params_needed) {
 873                         atomisp_apply_css_parameters(asd,
 874                                                      &asd->params.css_param);
 875                         if (asd->params.css_param.update_flag.dz_config)
 876                                 asd->params.config.dz_config = &asd->params.css_param.dz_config;
 877                         /* New global dvs 6axis config should be blocked
 878                          * here if there's a buffer with per-frame parameters
 879                          * pending in CSS frame buffer queue.
 880                          * This is to aviod zooming vibration since global
 881                          * parameters take effect immediately while
 882                          * per-frame parameters are taken after previous
 883                          * buffers in CSS got processed.
 884                          */
 885                         if (asd->params.dvs_6axis)
 886                                 atomisp_css_set_dvs_6axis(asd,
 887                                                           asd->params.dvs_6axis);
 888                         else
 889                                 asd->params.css_update_params_needed = false;
 890                         /* The update flag should not be cleaned here
 891                          * since it is still going to be used to make up
 892                          * following per-frame parameters.
 893                          * This will introduce more copy work since each
 894                          * time when updating global parameters, the whole
 895                          * parameter set are applied.
 896                          * FIXME: A new set of parameter copy functions can
 897                          * be added to make up per-frame parameters based on
 898                          * solid structures stored in asd->params.css_param
 899                          * instead of using shadow pointers in update flag.
 900                          */
 901                         atomisp_css_update_isp_params(asd);
 902                 }
 903                 break;
 904         default:
 905                 break;
 906         }
 907         if (frame) {
 908                 spin_lock_irqsave(&pipe->irq_lock, irqflags);
 909                 atomisp_buffer_done(frame, error ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
 910                 spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
 911         }
 912
 913         /*
 914          * Requeue should only be done for 3a and dis buffers.
 915          * Queue/dequeue order will change if driver recycles image buffers.
 916          */
 917         if (requeue) {
 918                 err = atomisp_css_queue_buffer(asd,
 919                                                stream_id, css_pipe_id,
 920                                                buf_type, &buffer);
 921                 if (err)
 922                         dev_err(isp->dev, "%s, q to css fails: %d\n",
 923                                 __func__, err);
 924                 return;
 925         }
 926         if (!error && q_buffers)
 927                 atomisp_qbuffers_to_css(asd);
 928 }
 929
 930 void atomisp_assert_recovery_work(struct work_struct *work)
 931 {
 932         struct atomisp_device *isp = container_of(work, struct atomisp_device,
 933                                                   assert_recovery_work);
 934         struct pci_dev *pdev = to_pci_dev(isp->dev);
 935         unsigned long flags;
 936         int ret;
 937
 938         mutex_lock(&isp->mutex);
 939
 940         if (!isp->asd.streaming)
 941                 goto out_unlock;
 942
 943         atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
 944
 945         spin_lock_irqsave(&isp->lock, flags);
 946         isp->asd.streaming = false;
 947         spin_unlock_irqrestore(&isp->lock, flags);
 948
 949         /* stream off sensor */
 950         ret = v4l2_subdev_call(isp->inputs[isp->asd.input_curr].camera, video, s_stream, 0);
 951         if (ret)
 952                 dev_warn(isp->dev, "Stopping sensor stream failed: %d\n", ret);
 953
 954         atomisp_clear_css_buffer_counters(&isp->asd);
 955
 956         atomisp_css_stop(&isp->asd, true);
 957
 958         isp->asd.preview_exp_id = 1;
 959         isp->asd.postview_exp_id = 1;
 960         /* notify HAL the CSS reset */
 961         dev_dbg(isp->dev, "send reset event to %s\n", isp->asd.subdev.devnode->name);
 962         atomisp_reset_event(&isp->asd);
 963
 964         /* clear irq */
 965         disable_isp_irq(hrt_isp_css_irq_sp);
 966         clear_isp_irq(hrt_isp_css_irq_sp);
 967
 968         /* Set the SRSE to 3 before resetting */
 969         pci_write_config_dword(pdev, PCI_I_CONTROL,
 970                                isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
 971
 972         /* reset ISP and restore its state */
 973         atomisp_reset(isp);
 974
 975         atomisp_css_input_set_mode(&isp->asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
 976
 977         /* Recreate streams destroyed by atomisp_css_stop() */
 978         atomisp_create_pipes_stream(&isp->asd);
 979
 980         /* Invalidate caches. FIXME: should flush only necessary buffers */
 981         wbinvd();
 982
 983         if (atomisp_css_start(&isp->asd)) {
 984                 dev_warn(isp->dev, "start SP failed, so do not set streaming to be enable!\n");
 985         } else {
 986                 spin_lock_irqsave(&isp->lock, flags);
 987                 isp->asd.streaming = true;
 988                 spin_unlock_irqrestore(&isp->lock, flags);
 989         }
 990
 991         atomisp_csi2_configure(&isp->asd);
 992
 993         atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
 994                                atomisp_css_valid_sof(isp));
 995
 996         if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
 997                 dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
 998
 999         /* Dequeueing buffers is not needed, CSS will recycle buffers that it has */
1000         atomisp_flush_video_pipe(&isp->asd.video_out, VB2_BUF_STATE_ERROR, false);
1001
1002         /* Requeue unprocessed per-frame parameters. */
1003         atomisp_recover_params_queue(&isp->asd.video_out);
1004
1005         ret = v4l2_subdev_call(isp->inputs[isp->asd.input_curr].camera, video, s_stream, 1);
1006         if (ret)
1007                 dev_err(isp->dev, "Starting sensor stream failed: %d\n", ret);
1008
1009 out_unlock:
1010         mutex_unlock(&isp->mutex);
1011 }
1012
1013 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1014 {
1015         struct atomisp_device *isp = asd->isp;
1016         struct v4l2_control ctrl;
1017
1018         if (!isp->flash)
1019                 return;
1020
1021         if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1022             asd->params.flash_state != ATOMISP_FLASH_DONE)
1023                 return;
1024
1025         if (asd->params.num_flash_frames) {
1026                 /* make sure the timeout is set before setting flash mode */
1027                 ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1028                 ctrl.value = FLASH_TIMEOUT;
1029
1030                 if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1031                         dev_err(isp->dev, "flash timeout configure failed\n");
1032                         return;
1033                 }
1034
1035                 ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1036
1037                 asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1038         } else {
1039                 asd->params.flash_state = ATOMISP_FLASH_IDLE;
1040         }
1041 }
1042
1043 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1044 {
1045         struct atomisp_device *isp = isp_ptr;
1046         unsigned long flags;
1047
1048         dev_dbg(isp->dev, ">%s\n", __func__);
1049
1050         spin_lock_irqsave(&isp->lock, flags);
1051
1052         if (!isp->asd.streaming) {
1053                 spin_unlock_irqrestore(&isp->lock, flags);
1054                 return IRQ_HANDLED;
1055         }
1056
1057         spin_unlock_irqrestore(&isp->lock, flags);
1058
1059         /*
1060          * The standard CSS2.0 API tells the following calling sequence of
1061          * dequeue ready buffers:
1062          * while (ia_css_dequeue_psys_event(...)) {
1063          *      switch (event.type) {
1064          *      ...
1065          *      ia_css_pipe_dequeue_buffer()
1066          *      }
1067          * }
1068          * That is, dequeue event and buffer are one after another.
1069          *
1070          * But the following implementation is to first deuque all the event
1071          * to a FIFO, then process the event in the FIFO.
1072          * This will not have issue in single stream mode, but it do have some
1073          * issue in multiple stream case. The issue is that
1074          * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1075          * a specific pipe.
1076          *
1077          * This is due to ia_css_pipe_dequeue_buffer() does not take the
1078          * ia_css_pipe parameter.
1079          *
1080          * So:
1081          * For CSS2.0: we change the way to not dequeue all the event at one
1082          * time, instead, dequue one and process one, then another
1083          */
1084         mutex_lock(&isp->mutex);
1085         if (atomisp_css_isr_thread(isp))
1086                 goto out;
1087
1088         if (isp->asd.streaming)
1089                 atomisp_setup_flash(&isp->asd);
1090 out:
1091         mutex_unlock(&isp->mutex);
1092         dev_dbg(isp->dev, "<%s\n", __func__);
1093
1094         return IRQ_HANDLED;
1095 }
1096
1097 /*
1098  * Get internal fmt according to V4L2 fmt
1099  */
1100 static enum ia_css_frame_format
1101 v4l2_fmt_to_sh_fmt(u32 fmt)
1102 {
1103         switch (fmt) {
1104         case V4L2_PIX_FMT_YUV420:
1105                                 return IA_CSS_FRAME_FORMAT_YUV420;
1106         case V4L2_PIX_FMT_YVU420:
1107                 return IA_CSS_FRAME_FORMAT_YV12;
1108         case V4L2_PIX_FMT_YUV422P:
1109                 return IA_CSS_FRAME_FORMAT_YUV422;
1110         case V4L2_PIX_FMT_YUV444:
1111                 return IA_CSS_FRAME_FORMAT_YUV444;
1112         case V4L2_PIX_FMT_NV12:
1113                 return IA_CSS_FRAME_FORMAT_NV12;
1114         case V4L2_PIX_FMT_NV21:
1115                 return IA_CSS_FRAME_FORMAT_NV21;
1116         case V4L2_PIX_FMT_NV16:
1117                 return IA_CSS_FRAME_FORMAT_NV16;
1118         case V4L2_PIX_FMT_NV61:
1119                 return IA_CSS_FRAME_FORMAT_NV61;
1120         case V4L2_PIX_FMT_UYVY:
1121                 return IA_CSS_FRAME_FORMAT_UYVY;
1122         case V4L2_PIX_FMT_YUYV:
1123                 return IA_CSS_FRAME_FORMAT_YUYV;
1124         case V4L2_PIX_FMT_RGB24:
1125                 return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1126         case V4L2_PIX_FMT_RGB32:
1127                 return IA_CSS_FRAME_FORMAT_RGBA888;
1128         case V4L2_PIX_FMT_RGB565:
1129                 return IA_CSS_FRAME_FORMAT_RGB565;
1130 #if 0
1131         case V4L2_PIX_FMT_JPEG:
1132         case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1133                 return IA_CSS_FRAME_FORMAT_BINARY_8;
1134 #endif
1135         case V4L2_PIX_FMT_SBGGR16:
1136         case V4L2_PIX_FMT_SBGGR10:
1137         case V4L2_PIX_FMT_SGBRG10:
1138         case V4L2_PIX_FMT_SGRBG10:
1139         case V4L2_PIX_FMT_SRGGB10:
1140         case V4L2_PIX_FMT_SBGGR12:
1141         case V4L2_PIX_FMT_SGBRG12:
1142         case V4L2_PIX_FMT_SGRBG12:
1143         case V4L2_PIX_FMT_SRGGB12:
1144         case V4L2_PIX_FMT_SBGGR8:
1145         case V4L2_PIX_FMT_SGBRG8:
1146         case V4L2_PIX_FMT_SGRBG8:
1147         case V4L2_PIX_FMT_SRGGB8:
1148                 return IA_CSS_FRAME_FORMAT_RAW;
1149         default:
1150                 return -EINVAL;
1151         }
1152 }
1153
1154 /*
1155  * raw format match between SH format and V4L2 format
1156  */
1157 static int raw_output_format_match_input(u32 input, u32 output)
1158 {
1159         if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1160             ((output == V4L2_PIX_FMT_SRGGB12) ||
1161              (output == V4L2_PIX_FMT_SGRBG12) ||
1162              (output == V4L2_PIX_FMT_SBGGR12) ||
1163              (output == V4L2_PIX_FMT_SGBRG12)))
1164                 return 0;
1165
1166         if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
1167             ((output == V4L2_PIX_FMT_SRGGB10) ||
1168              (output == V4L2_PIX_FMT_SGRBG10) ||
1169              (output == V4L2_PIX_FMT_SBGGR10) ||
1170              (output == V4L2_PIX_FMT_SGBRG10)))
1171                 return 0;
1172
1173         if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
1174             ((output == V4L2_PIX_FMT_SRGGB8) ||
1175              (output == V4L2_PIX_FMT_SGRBG8) ||
1176              (output == V4L2_PIX_FMT_SBGGR8) ||
1177              (output == V4L2_PIX_FMT_SGBRG8)))
1178                 return 0;
1179
1180         if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
1181                 return 0;
1182
1183         return -EINVAL;
1184 }
1185
1186 u32 atomisp_get_pixel_depth(u32 pixelformat)
1187 {
1188         switch (pixelformat) {
1189         case V4L2_PIX_FMT_YUV420:
1190         case V4L2_PIX_FMT_NV12:
1191         case V4L2_PIX_FMT_NV21:
1192         case V4L2_PIX_FMT_YVU420:
1193                 return 12;
1194         case V4L2_PIX_FMT_YUV422P:
1195         case V4L2_PIX_FMT_YUYV:
1196         case V4L2_PIX_FMT_UYVY:
1197         case V4L2_PIX_FMT_NV16:
1198         case V4L2_PIX_FMT_NV61:
1199         case V4L2_PIX_FMT_RGB565:
1200         case V4L2_PIX_FMT_SBGGR16:
1201         case V4L2_PIX_FMT_SBGGR12:
1202         case V4L2_PIX_FMT_SGBRG12:
1203         case V4L2_PIX_FMT_SGRBG12:
1204         case V4L2_PIX_FMT_SRGGB12:
1205         case V4L2_PIX_FMT_SBGGR10:
1206         case V4L2_PIX_FMT_SGBRG10:
1207         case V4L2_PIX_FMT_SGRBG10:
1208         case V4L2_PIX_FMT_SRGGB10:
1209                 return 16;
1210         case V4L2_PIX_FMT_RGB24:
1211         case V4L2_PIX_FMT_YUV444:
1212                 return 24;
1213         case V4L2_PIX_FMT_RGB32:
1214                 return 32;
1215         case V4L2_PIX_FMT_JPEG:
1216         case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1217         case V4L2_PIX_FMT_SBGGR8:
1218         case V4L2_PIX_FMT_SGBRG8:
1219         case V4L2_PIX_FMT_SGRBG8:
1220         case V4L2_PIX_FMT_SRGGB8:
1221                 return 8;
1222         default:
1223                 return 8 * 2;   /* raw type now */
1224         }
1225 }
1226
1227 bool atomisp_is_mbuscode_raw(uint32_t code)
1228 {
1229         return code >= 0x3000 && code < 0x4000;
1230 }
1231
1232 /*
1233  * ISP features control function
1234  */
1235
1236 /*
1237  * Set ISP capture mode based on current settings
1238  */
1239 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
1240 {
1241         if (asd->params.gdc_cac_en)
1242                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
1243         else if (asd->params.low_light)
1244                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
1245         else if (asd->video_out.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
1246                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
1247         else
1248                 atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
1249 }
1250
1251 /*
1252  * Function to enable/disable lens geometry distortion correction (GDC) and
1253  * chromatic aberration correction (CAC)
1254  */
1255 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
1256                     __s32 *value)
1257 {
1258         if (flag == 0) {
1259                 *value = asd->params.gdc_cac_en;
1260                 return 0;
1261         }
1262
1263         asd->params.gdc_cac_en = !!*value;
1264         if (asd->params.gdc_cac_en) {
1265                 asd->params.config.morph_table = asd->params.css_param.morph_table;
1266         } else {
1267                 asd->params.config.morph_table = NULL;
1268         }
1269         asd->params.css_update_params_needed = true;
1270         atomisp_update_capture_mode(asd);
1271         return 0;
1272 }
1273
1274 /*
1275  * Function to enable/disable low light mode including ANR
1276  */
1277 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
1278                       __s32 *value)
1279 {
1280         if (flag == 0) {
1281                 *value = asd->params.low_light;
1282                 return 0;
1283         }
1284
1285         asd->params.low_light = (*value != 0);
1286         atomisp_update_capture_mode(asd);
1287         return 0;
1288 }
1289
1290 /*
1291  * Function to enable/disable extra noise reduction (XNR) in low light
1292  * condition
1293  */
1294 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
1295                 int *xnr_enable)
1296 {
1297         if (flag == 0) {
1298                 *xnr_enable = asd->params.xnr_en;
1299                 return 0;
1300         }
1301
1302         atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
1303
1304         return 0;
1305 }
1306
1307 /*
1308  * Function to configure bayer noise reduction
1309  */
1310 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
1311                struct atomisp_nr_config *arg)
1312 {
1313         if (flag == 0) {
1314                 /* Get nr config from current setup */
1315                 if (atomisp_css_get_nr_config(asd, arg))
1316                         return -EINVAL;
1317         } else {
1318                 /* Set nr config to isp parameters */
1319                 memcpy(&asd->params.css_param.nr_config, arg,
1320                        sizeof(struct ia_css_nr_config));
1321                 asd->params.config.nr_config = &asd->params.css_param.nr_config;
1322                 asd->params.css_update_params_needed = true;
1323         }
1324         return 0;
1325 }
1326
1327 /*
1328  * Function to configure temporal noise reduction (TNR)
1329  */
1330 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
1331                 struct atomisp_tnr_config *config)
1332 {
1333         /* Get tnr config from current setup */
1334         if (flag == 0) {
1335                 /* Get tnr config from current setup */
1336                 if (atomisp_css_get_tnr_config(asd, config))
1337                         return -EINVAL;
1338         } else {
1339                 /* Set tnr config to isp parameters */
1340                 memcpy(&asd->params.css_param.tnr_config, config,
1341                        sizeof(struct ia_css_tnr_config));
1342                 asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
1343                 asd->params.css_update_params_needed = true;
1344         }
1345
1346         return 0;
1347 }
1348
1349 /*
1350  * Function to configure black level compensation
1351  */
1352 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
1353                         struct atomisp_ob_config *config)
1354 {
1355         if (flag == 0) {
1356                 /* Get ob config from current setup */
1357                 if (atomisp_css_get_ob_config(asd, config))
1358                         return -EINVAL;
1359         } else {
1360                 /* Set ob config to isp parameters */
1361                 memcpy(&asd->params.css_param.ob_config, config,
1362                        sizeof(struct ia_css_ob_config));
1363                 asd->params.config.ob_config = &asd->params.css_param.ob_config;
1364                 asd->params.css_update_params_needed = true;
1365         }
1366
1367         return 0;
1368 }
1369
1370 /*
1371  * Function to configure edge enhancement
1372  */
1373 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
1374                struct atomisp_ee_config *config)
1375 {
1376         if (flag == 0) {
1377                 /* Get ee config from current setup */
1378                 if (atomisp_css_get_ee_config(asd, config))
1379                         return -EINVAL;
1380         } else {
1381                 /* Set ee config to isp parameters */
1382                 memcpy(&asd->params.css_param.ee_config, config,
1383                        sizeof(asd->params.css_param.ee_config));
1384                 asd->params.config.ee_config = &asd->params.css_param.ee_config;
1385                 asd->params.css_update_params_needed = true;
1386         }
1387
1388         return 0;
1389 }
1390
1391 /*
1392  * Function to update Gamma table for gamma, brightness and contrast config
1393  */
1394 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
1395                   struct atomisp_gamma_table *config)
1396 {
1397         if (flag == 0) {
1398                 /* Get gamma table from current setup */
1399                 if (atomisp_css_get_gamma_table(asd, config))
1400                         return -EINVAL;
1401         } else {
1402                 /* Set gamma table to isp parameters */
1403                 memcpy(&asd->params.css_param.gamma_table, config,
1404                        sizeof(asd->params.css_param.gamma_table));
1405                 asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
1406         }
1407
1408         return 0;
1409 }
1410
1411 /*
1412  * Function to update Ctc table for Chroma Enhancement
1413  */
1414 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
1415                 struct atomisp_ctc_table *config)
1416 {
1417         if (flag == 0) {
1418                 /* Get ctc table from current setup */
1419                 if (atomisp_css_get_ctc_table(asd, config))
1420                         return -EINVAL;
1421         } else {
1422                 /* Set ctc table to isp parameters */
1423                 memcpy(&asd->params.css_param.ctc_table, config,
1424                        sizeof(asd->params.css_param.ctc_table));
1425                 atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
1426         }
1427
1428         return 0;
1429 }
1430
1431 /*
1432  * Function to update gamma correction parameters
1433  */
1434 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
1435                              struct atomisp_gc_config *config)
1436 {
1437         if (flag == 0) {
1438                 /* Get gamma correction params from current setup */
1439                 if (atomisp_css_get_gc_config(asd, config))
1440                         return -EINVAL;
1441         } else {
1442                 /* Set gamma correction params to isp parameters */
1443                 memcpy(&asd->params.css_param.gc_config, config,
1444                        sizeof(asd->params.css_param.gc_config));
1445                 asd->params.config.gc_config = &asd->params.css_param.gc_config;
1446                 asd->params.css_update_params_needed = true;
1447         }
1448
1449         return 0;
1450 }
1451
1452 /*
1453  * Function to update narrow gamma flag
1454  */
1455 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
1456                     struct atomisp_formats_config *config)
1457 {
1458         if (flag == 0) {
1459                 /* Get narrow gamma flag from current setup */
1460                 if (atomisp_css_get_formats_config(asd, config))
1461                         return -EINVAL;
1462         } else {
1463                 /* Set narrow gamma flag to isp parameters */
1464                 memcpy(&asd->params.css_param.formats_config, config,
1465                        sizeof(asd->params.css_param.formats_config));
1466                 asd->params.config.formats_config = &asd->params.css_param.formats_config;
1467         }
1468
1469         return 0;
1470 }
1471
1472 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
1473 {
1474         atomisp_free_css_parameters(&asd->params.css_param);
1475 }
1476
1477 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
1478                                      enum ia_css_pipe_id pipe_id)
1479 {
1480         struct atomisp_device *isp = asd->isp;
1481         int err;
1482
1483         if (atomisp_css_get_grid_info(asd, pipe_id))
1484                 return;
1485
1486         /* We must free all buffers because they no longer match
1487            the grid size. */
1488         atomisp_css_free_stat_buffers(asd);
1489
1490         err = atomisp_alloc_css_stat_bufs(asd, ATOMISP_INPUT_STREAM_GENERAL);
1491         if (err) {
1492                 dev_err(isp->dev, "stat_buf allocate error\n");
1493                 goto err;
1494         }
1495
1496         if (atomisp_alloc_3a_output_buf(asd)) {
1497                 /* Failure for 3A buffers does not influence DIS buffers */
1498                 if (asd->params.s3a_output_bytes != 0) {
1499                         /* For SOC sensor happens s3a_output_bytes == 0,
1500                          * using if condition to exclude false error log */
1501                         dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
1502                 }
1503                 goto err;
1504         }
1505
1506         if (atomisp_alloc_dis_coef_buf(asd)) {
1507                 dev_err(isp->dev,
1508                         "Failed to allocate memory for DIS statistics\n");
1509                 goto err;
1510         }
1511
1512         if (atomisp_alloc_metadata_output_buf(asd)) {
1513                 dev_err(isp->dev, "Failed to allocate memory for metadata\n");
1514                 goto err;
1515         }
1516
1517         return;
1518
1519 err:
1520         atomisp_css_free_stat_buffers(asd);
1521         return;
1522 }
1523
1524 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
1525                                         struct atomisp_grid_info *info)
1526 {
1527         memcpy(info, &asd->params.curr_grid_info.s3a_grid,
1528                sizeof(struct ia_css_3a_grid_info));
1529 }
1530
1531 int atomisp_compare_grid(struct atomisp_sub_device *asd,
1532                          struct atomisp_grid_info *atomgrid)
1533 {
1534         struct atomisp_grid_info tmp = {0};
1535
1536         atomisp_curr_user_grid_info(asd, &tmp);
1537         return memcmp(atomgrid, &tmp, sizeof(tmp));
1538 }
1539
1540 /*
1541  * Function to update Gdc table for gdc
1542  */
1543 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
1544                           struct atomisp_morph_table *config)
1545 {
1546         int ret;
1547         int i;
1548         struct atomisp_device *isp = asd->isp;
1549
1550         if (flag == 0) {
1551                 /* Get gdc table from current setup */
1552                 struct ia_css_morph_table tab = {0};
1553
1554                 atomisp_css_get_morph_table(asd, &tab);
1555
1556                 config->width = tab.width;
1557                 config->height = tab.height;
1558
1559                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
1560                         ret = copy_to_user(config->coordinates_x[i],
1561                                            tab.coordinates_x[i], tab.height *
1562                                            tab.width * sizeof(*tab.coordinates_x[i]));
1563                         if (ret) {
1564                                 dev_err(isp->dev,
1565                                         "Failed to copy to User for x\n");
1566                                 return -EFAULT;
1567                         }
1568                         ret = copy_to_user(config->coordinates_y[i],
1569                                            tab.coordinates_y[i], tab.height *
1570                                            tab.width * sizeof(*tab.coordinates_y[i]));
1571                         if (ret) {
1572                                 dev_err(isp->dev,
1573                                         "Failed to copy to User for y\n");
1574                                 return -EFAULT;
1575                         }
1576                 }
1577         } else {
1578                 struct ia_css_morph_table *tab =
1579                             asd->params.css_param.morph_table;
1580
1581                 /* free first if we have one */
1582                 if (tab) {
1583                         atomisp_css_morph_table_free(tab);
1584                         asd->params.css_param.morph_table = NULL;
1585                 }
1586
1587                 /* allocate new one */
1588                 tab = atomisp_css_morph_table_allocate(config->width,
1589                                                        config->height);
1590
1591                 if (!tab) {
1592                         dev_err(isp->dev, "out of memory\n");
1593                         return -EINVAL;
1594                 }
1595
1596                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
1597                         ret = copy_from_user(tab->coordinates_x[i],
1598                                              config->coordinates_x[i],
1599                                              config->height * config->width *
1600                                              sizeof(*config->coordinates_x[i]));
1601                         if (ret) {
1602                                 dev_err(isp->dev,
1603                                         "Failed to copy from User for x, ret %d\n",
1604                                         ret);
1605                                 atomisp_css_morph_table_free(tab);
1606                                 return -EFAULT;
1607                         }
1608                         ret = copy_from_user(tab->coordinates_y[i],
1609                                              config->coordinates_y[i],
1610                                              config->height * config->width *
1611                                              sizeof(*config->coordinates_y[i]));
1612                         if (ret) {
1613                                 dev_err(isp->dev,
1614                                         "Failed to copy from User for y, ret is %d\n",
1615                                         ret);
1616                                 atomisp_css_morph_table_free(tab);
1617                                 return -EFAULT;
1618                         }
1619                 }
1620                 asd->params.css_param.morph_table = tab;
1621                 if (asd->params.gdc_cac_en)
1622                         asd->params.config.morph_table = tab;
1623         }
1624
1625         return 0;
1626 }
1627
1628 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
1629                        struct atomisp_macc_config *config)
1630 {
1631         struct ia_css_macc_table *macc_table;
1632
1633         switch (config->color_effect) {
1634         case V4L2_COLORFX_NONE:
1635                 macc_table = &asd->params.css_param.macc_table;
1636                 break;
1637         case V4L2_COLORFX_SKY_BLUE:
1638                 macc_table = &blue_macc_table;
1639                 break;
1640         case V4L2_COLORFX_GRASS_GREEN:
1641                 macc_table = &green_macc_table;
1642                 break;
1643         case V4L2_COLORFX_SKIN_WHITEN_LOW:
1644                 macc_table = &skin_low_macc_table;
1645                 break;
1646         case V4L2_COLORFX_SKIN_WHITEN:
1647                 macc_table = &skin_medium_macc_table;
1648                 break;
1649         case V4L2_COLORFX_SKIN_WHITEN_HIGH:
1650                 macc_table = &skin_high_macc_table;
1651                 break;
1652         default:
1653                 return -EINVAL;
1654         }
1655
1656         if (flag == 0) {
1657                 /* Get macc table from current setup */
1658                 memcpy(&config->table, macc_table,
1659                        sizeof(struct ia_css_macc_table));
1660         } else {
1661                 memcpy(macc_table, &config->table,
1662                        sizeof(struct ia_css_macc_table));
1663                 if (config->color_effect == asd->params.color_effect)
1664                         asd->params.config.macc_table = macc_table;
1665         }
1666
1667         return 0;
1668 }
1669
1670 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
1671                            struct atomisp_dis_vector *vector)
1672 {
1673         atomisp_css_video_set_dis_vector(asd, vector);
1674
1675         asd->params.dis_proj_data_valid = false;
1676         asd->params.css_update_params_needed = true;
1677         return 0;
1678 }
1679
1680 /*
1681  * Function to set/get image stablization statistics
1682  */
1683 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
1684                          struct atomisp_dis_statistics *stats)
1685 {
1686         return atomisp_css_get_dis_stat(asd, stats);
1687 }
1688
1689 /*
1690  * Function  set camrea_prefiles.xml current sensor pixel array size
1691  */
1692 int atomisp_set_array_res(struct atomisp_sub_device *asd,
1693                           struct atomisp_resolution  *config)
1694 {
1695         dev_dbg(asd->isp->dev, ">%s start\n", __func__);
1696         if (!config) {
1697                 dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
1698                 return -EINVAL;
1699         }
1700
1701         asd->sensor_array_res.width = config->width;
1702         asd->sensor_array_res.height = config->height;
1703         return 0;
1704 }
1705
1706 /*
1707  * Function to get DVS2 BQ resolution settings
1708  */
1709 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
1710                                     struct atomisp_dvs2_bq_resolutions *bq_res)
1711 {
1712         struct ia_css_pipe_config *pipe_cfg = NULL;
1713
1714         struct ia_css_stream *stream =
1715                     asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1716         if (!stream) {
1717                 dev_warn(asd->isp->dev, "stream is not created");
1718                 return -EAGAIN;
1719         }
1720
1721         pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
1722                    .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
1723
1724         if (!bq_res)
1725                 return -EINVAL;
1726
1727         /* the GDC output resolution */
1728         bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
1729         bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
1730
1731         bq_res->envelope_bq.width_bq = 0;
1732         bq_res->envelope_bq.height_bq = 0;
1733         /* the GDC input resolution */
1734         bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
1735                                      pipe_cfg->dvs_envelope.width / 2;
1736         bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
1737                                       pipe_cfg->dvs_envelope.height / 2;
1738         /*
1739          * Bad pixels caused by spatial filter processing
1740          * ISP filter resolution should be given by CSS/FW, but for now
1741          * there is not such API to query, and it is fixed value, so
1742          * hardcoded here.
1743          */
1744         bq_res->ispfilter_bq.width_bq = 12 / 2;
1745         bq_res->ispfilter_bq.height_bq = 12 / 2;
1746         /* spatial filter shift, always 4 pixels */
1747         bq_res->gdc_shift_bq.width_bq = 4 / 2;
1748         bq_res->gdc_shift_bq.height_bq = 4 / 2;
1749
1750         if (asd->params.video_dis_en) {
1751                 bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width / 2 -
1752                                                bq_res->ispfilter_bq.width_bq;
1753                 bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height / 2 -
1754                                                 bq_res->ispfilter_bq.height_bq;
1755         }
1756
1757         dev_dbg(asd->isp->dev,
1758                 "source_bq.width_bq %d, source_bq.height_bq %d,\nispfilter_bq.width_bq %d, ispfilter_bq.height_bq %d,\ngdc_shift_bq.width_bq %d, gdc_shift_bq.height_bq %d,\nenvelope_bq.width_bq %d, envelope_bq.height_bq %d,\noutput_bq.width_bq %d, output_bq.height_bq %d\n",
1759                 bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
1760                 bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
1761                 bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
1762                 bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
1763                 bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
1764
1765         return 0;
1766 }
1767
1768 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
1769                           struct atomisp_dis_coefficients *coefs)
1770 {
1771         return atomisp_css_set_dis_coefs(asd, coefs);
1772 }
1773
1774 /*
1775  * Function to set/get 3A stat from isp
1776  */
1777 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
1778                     struct atomisp_3a_statistics *config)
1779 {
1780         struct atomisp_device *isp = asd->isp;
1781         struct atomisp_s3a_buf *s3a_buf;
1782         unsigned long ret;
1783
1784         if (flag != 0)
1785                 return -EINVAL;
1786
1787         /* sanity check to avoid writing into unallocated memory. */
1788         if (asd->params.s3a_output_bytes == 0)
1789                 return -EINVAL;
1790
1791         if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
1792                 /* If the grid info in the argument differs from the current
1793                    grid info, we tell the caller to reset the grid size and
1794                    try again. */
1795                 return -EAGAIN;
1796         }
1797
1798         if (list_empty(&asd->s3a_stats_ready)) {
1799                 dev_err(isp->dev, "3a statistics is not valid.\n");
1800                 return -EAGAIN;
1801         }
1802
1803         s3a_buf = list_entry(asd->s3a_stats_ready.next,
1804                              struct atomisp_s3a_buf, list);
1805         if (s3a_buf->s3a_map)
1806                 ia_css_translate_3a_statistics(
1807                     asd->params.s3a_user_stat, s3a_buf->s3a_map);
1808         else
1809                 ia_css_get_3a_statistics(asd->params.s3a_user_stat,
1810                                          s3a_buf->s3a_data);
1811
1812         config->exp_id = s3a_buf->s3a_data->exp_id;
1813         config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
1814
1815         ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
1816                            asd->params.s3a_output_bytes);
1817         if (ret) {
1818                 dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
1819                         ret);
1820                 return -EFAULT;
1821         }
1822
1823         /* Move to free buffer list */
1824         list_del_init(&s3a_buf->list);
1825         list_add_tail(&s3a_buf->list, &asd->s3a_stats);
1826         dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
1827                 __func__,
1828                 config->exp_id, config->isp_config_id);
1829         return 0;
1830 }
1831
1832 /*
1833  * Function to calculate real zoom region for every pipe
1834  */
1835 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
1836                                        struct ia_css_dz_config   *dz_config,
1837                                        enum ia_css_pipe_id css_pipe_id)
1838
1839 {
1840         struct atomisp_stream_env *stream_env =
1841                     &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
1842         struct atomisp_resolution  eff_res, out_res;
1843         int w_offset, h_offset;
1844
1845         memset(&eff_res, 0, sizeof(eff_res));
1846         memset(&out_res, 0, sizeof(out_res));
1847
1848         if (dz_config->dx || dz_config->dy)
1849                 return 0;
1850
1851         if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
1852             && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
1853                 dev_err(asd->isp->dev, "%s the set pipe no support crop region"
1854                         , __func__);
1855                 return -EINVAL;
1856         }
1857
1858         eff_res.width =
1859             stream_env->stream_config.input_config.effective_res.width;
1860         eff_res.height =
1861             stream_env->stream_config.input_config.effective_res.height;
1862         if (eff_res.width == 0 || eff_res.height == 0) {
1863                 dev_err(asd->isp->dev, "%s err effective resolution"
1864                         , __func__);
1865                 return -EINVAL;
1866         }
1867
1868         if (dz_config->zoom_region.resolution.width
1869             == asd->sensor_array_res.width
1870             || dz_config->zoom_region.resolution.height
1871             == asd->sensor_array_res.height) {
1872                 /*no need crop region*/
1873                 dz_config->zoom_region.origin.x = 0;
1874                 dz_config->zoom_region.origin.y = 0;
1875                 dz_config->zoom_region.resolution.width = eff_res.width;
1876                 dz_config->zoom_region.resolution.height = eff_res.height;
1877                 return 0;
1878         }
1879
1880         /* FIXME:
1881          * This is not the correct implementation with Google's definition, due
1882          * to firmware limitation.
1883          * map real crop region base on above calculating base max crop region.
1884          */
1885
1886         if (!IS_ISP2401) {
1887                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
1888                                                   * eff_res.width
1889                                                   / asd->sensor_array_res.width;
1890                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
1891                                                   * eff_res.height
1892                                                   / asd->sensor_array_res.height;
1893                 dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
1894                                                           * eff_res.width
1895                                                           / asd->sensor_array_res.width;
1896                 dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
1897                                                           * eff_res.height
1898                                                           / asd->sensor_array_res.height;
1899                 /*
1900                  * Set same ratio of crop region resolution and current pipe output
1901                  * resolution
1902                  */
1903                 out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
1904                 out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
1905                 if (out_res.width == 0 || out_res.height == 0) {
1906                         dev_err(asd->isp->dev, "%s err current pipe output resolution"
1907                                 , __func__);
1908                         return -EINVAL;
1909                 }
1910         } else {
1911                 out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
1912                 out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
1913                 if (out_res.width == 0 || out_res.height == 0) {
1914                         dev_err(asd->isp->dev, "%s err current pipe output resolution"
1915                                 , __func__);
1916                         return -EINVAL;
1917                 }
1918
1919                 if (asd->sensor_array_res.width * out_res.height
1920                     < out_res.width * asd->sensor_array_res.height) {
1921                         h_offset = asd->sensor_array_res.height
1922                                    - asd->sensor_array_res.width
1923                                    * out_res.height / out_res.width;
1924                         h_offset = h_offset / 2;
1925                         if (dz_config->zoom_region.origin.y < h_offset)
1926                                 dz_config->zoom_region.origin.y = 0;
1927                         else
1928                                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
1929                         w_offset = 0;
1930                 } else {
1931                         w_offset = asd->sensor_array_res.width
1932                                    - asd->sensor_array_res.height
1933                                    * out_res.width / out_res.height;
1934                         w_offset = w_offset / 2;
1935                         if (dz_config->zoom_region.origin.x < w_offset)
1936                                 dz_config->zoom_region.origin.x = 0;
1937                         else
1938                                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
1939                         h_offset = 0;
1940                 }
1941                 dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
1942                                                   * eff_res.width
1943                                                   / (asd->sensor_array_res.width - 2 * w_offset);
1944                 dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
1945                                                   * eff_res.height
1946                                                   / (asd->sensor_array_res.height - 2 * h_offset);
1947                 dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
1948                                                   * eff_res.width
1949                                                   / (asd->sensor_array_res.width - 2 * w_offset);
1950                 dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
1951                                                   * eff_res.height
1952                                                   / (asd->sensor_array_res.height - 2 * h_offset);
1953         }
1954
1955         if (out_res.width * dz_config->zoom_region.resolution.height
1956             > dz_config->zoom_region.resolution.width * out_res.height) {
1957                 dz_config->zoom_region.resolution.height =
1958                     dz_config->zoom_region.resolution.width
1959                     * out_res.height / out_res.width;
1960         } else {
1961                 dz_config->zoom_region.resolution.width =
1962                     dz_config->zoom_region.resolution.height
1963                     * out_res.width / out_res.height;
1964         }
1965         dev_dbg(asd->isp->dev,
1966                 "%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
1967                 __func__, dz_config->zoom_region.origin.x,
1968                 dz_config->zoom_region.origin.y,
1969                 dz_config->zoom_region.resolution.width,
1970                 dz_config->zoom_region.resolution.height,
1971                 eff_res.width, eff_res.height,
1972                 asd->sensor_array_res.width,
1973                 asd->sensor_array_res.height,
1974                 out_res.width, out_res.height);
1975
1976         if ((dz_config->zoom_region.origin.x +
1977              dz_config->zoom_region.resolution.width
1978              > eff_res.width) ||
1979             (dz_config->zoom_region.origin.y +
1980              dz_config->zoom_region.resolution.height
1981              > eff_res.height))
1982                 return -EINVAL;
1983
1984         return 0;
1985 }
1986
1987 /*
1988  * Function to check the zoom region whether is effective
1989  */
1990 static bool atomisp_check_zoom_region(
1991     struct atomisp_sub_device *asd,
1992     struct ia_css_dz_config *dz_config)
1993 {
1994         struct atomisp_resolution  config;
1995         bool flag = false;
1996         unsigned int w, h;
1997
1998         memset(&config, 0, sizeof(struct atomisp_resolution));
1999
2000         if (dz_config->dx && dz_config->dy)
2001                 return true;
2002
2003         config.width = asd->sensor_array_res.width;
2004         config.height = asd->sensor_array_res.height;
2005         w = dz_config->zoom_region.origin.x +
2006             dz_config->zoom_region.resolution.width;
2007         h = dz_config->zoom_region.origin.y +
2008             dz_config->zoom_region.resolution.height;
2009
2010         if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
2011                 flag = true;
2012         else
2013                 /* setting error zoom region */
2014                 dev_err(asd->isp->dev,
2015                         "%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
2016                         __func__, dz_config->zoom_region.origin.x,
2017                         dz_config->zoom_region.origin.y,
2018                         dz_config->zoom_region.resolution.width,
2019                         dz_config->zoom_region.resolution.height,
2020                         config.width, config.height);
2021
2022         return flag;
2023 }
2024
2025 void atomisp_apply_css_parameters(
2026     struct atomisp_sub_device *asd,
2027     struct atomisp_css_params *css_param)
2028 {
2029         if (css_param->update_flag.wb_config)
2030                 asd->params.config.wb_config = &css_param->wb_config;
2031
2032         if (css_param->update_flag.ob_config)
2033                 asd->params.config.ob_config = &css_param->ob_config;
2034
2035         if (css_param->update_flag.dp_config)
2036                 asd->params.config.dp_config = &css_param->dp_config;
2037
2038         if (css_param->update_flag.nr_config)
2039                 asd->params.config.nr_config = &css_param->nr_config;
2040
2041         if (css_param->update_flag.ee_config)
2042                 asd->params.config.ee_config = &css_param->ee_config;
2043
2044         if (css_param->update_flag.tnr_config)
2045                 asd->params.config.tnr_config = &css_param->tnr_config;
2046
2047         if (css_param->update_flag.a3a_config)
2048                 asd->params.config.s3a_config = &css_param->s3a_config;
2049
2050         if (css_param->update_flag.ctc_config)
2051                 asd->params.config.ctc_config = &css_param->ctc_config;
2052
2053         if (css_param->update_flag.cnr_config)
2054                 asd->params.config.cnr_config = &css_param->cnr_config;
2055
2056         if (css_param->update_flag.ecd_config)
2057                 asd->params.config.ecd_config = &css_param->ecd_config;
2058
2059         if (css_param->update_flag.ynr_config)
2060                 asd->params.config.ynr_config = &css_param->ynr_config;
2061
2062         if (css_param->update_flag.fc_config)
2063                 asd->params.config.fc_config = &css_param->fc_config;
2064
2065         if (css_param->update_flag.macc_config)
2066                 asd->params.config.macc_config = &css_param->macc_config;
2067
2068         if (css_param->update_flag.aa_config)
2069                 asd->params.config.aa_config = &css_param->aa_config;
2070
2071         if (css_param->update_flag.anr_config)
2072                 asd->params.config.anr_config = &css_param->anr_config;
2073
2074         if (css_param->update_flag.xnr_config)
2075                 asd->params.config.xnr_config = &css_param->xnr_config;
2076
2077         if (css_param->update_flag.yuv2rgb_cc_config)
2078                 asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
2079
2080         if (css_param->update_flag.rgb2yuv_cc_config)
2081                 asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
2082
2083         if (css_param->update_flag.macc_table)
2084                 asd->params.config.macc_table = &css_param->macc_table;
2085
2086         if (css_param->update_flag.xnr_table)
2087                 asd->params.config.xnr_table = &css_param->xnr_table;
2088
2089         if (css_param->update_flag.r_gamma_table)
2090                 asd->params.config.r_gamma_table = &css_param->r_gamma_table;
2091
2092         if (css_param->update_flag.g_gamma_table)
2093                 asd->params.config.g_gamma_table = &css_param->g_gamma_table;
2094
2095         if (css_param->update_flag.b_gamma_table)
2096                 asd->params.config.b_gamma_table = &css_param->b_gamma_table;
2097
2098         if (css_param->update_flag.anr_thres)
2099                 atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
2100
2101         if (css_param->update_flag.shading_table)
2102                 asd->params.config.shading_table = css_param->shading_table;
2103
2104         if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
2105                 asd->params.config.morph_table = css_param->morph_table;
2106
2107         if (css_param->update_flag.dvs2_coefs) {
2108                 struct ia_css_dvs_grid_info *dvs_grid_info =
2109                     atomisp_css_get_dvs_grid_info(
2110                         &asd->params.curr_grid_info);
2111
2112                 if (dvs_grid_info && dvs_grid_info->enable)
2113                         atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
2114         }
2115
2116         if (css_param->update_flag.dvs_6axis_config)
2117                 atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
2118
2119         atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
2120         /*
2121          * These configurations are on used by ISP1.x, not for ISP2.x,
2122          * so do not handle them. see comments of ia_css_isp_config.
2123          * 1 cc_config
2124          * 2 ce_config
2125          * 3 de_config
2126          * 4 gc_config
2127          * 5 gamma_table
2128          * 6 ctc_table
2129          * 7 dvs_coefs
2130          */
2131 }
2132
2133 static unsigned int long copy_from_compatible(void *to, const void *from,
2134         unsigned long n, bool from_user)
2135 {
2136         if (from_user)
2137                 return copy_from_user(to, (void __user *)from, n);
2138         else
2139                 memcpy(to, from, n);
2140         return 0;
2141 }
2142
2143 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
2144                                       struct atomisp_parameters *arg,
2145                                       struct atomisp_css_params *css_param,
2146                                       bool from_user)
2147 {
2148         struct atomisp_parameters *cur_config = &css_param->update_flag;
2149
2150         if (!arg || !asd || !css_param)
2151                 return -EINVAL;
2152
2153         if (arg->wb_config && (from_user || !cur_config->wb_config)) {
2154                 if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
2155                                          sizeof(struct ia_css_wb_config),
2156                                          from_user))
2157                         return -EFAULT;
2158                 css_param->update_flag.wb_config =
2159                     (struct atomisp_wb_config *)&css_param->wb_config;
2160         }
2161
2162         if (arg->ob_config && (from_user || !cur_config->ob_config)) {
2163                 if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
2164                                          sizeof(struct ia_css_ob_config),
2165                                          from_user))
2166                         return -EFAULT;
2167                 css_param->update_flag.ob_config =
2168                     (struct atomisp_ob_config *)&css_param->ob_config;
2169         }
2170
2171         if (arg->dp_config && (from_user || !cur_config->dp_config)) {
2172                 if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
2173                                          sizeof(struct ia_css_dp_config),
2174                                          from_user))
2175                         return -EFAULT;
2176                 css_param->update_flag.dp_config =
2177                     (struct atomisp_dp_config *)&css_param->dp_config;
2178         }
2179
2180         if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
2181                 if (arg->dz_config && (from_user || !cur_config->dz_config)) {
2182                         if (copy_from_compatible(&css_param->dz_config,
2183                                                  arg->dz_config,
2184                                                  sizeof(struct ia_css_dz_config),
2185                                                  from_user))
2186                                 return -EFAULT;
2187                         if (!atomisp_check_zoom_region(asd,
2188                                                        &css_param->dz_config)) {
2189                                 dev_err(asd->isp->dev, "crop region error!");
2190                                 return -EINVAL;
2191                         }
2192                         css_param->update_flag.dz_config =
2193                             (struct atomisp_dz_config *)
2194                             &css_param->dz_config;
2195                 }
2196         }
2197
2198         if (arg->nr_config && (from_user || !cur_config->nr_config)) {
2199                 if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
2200                                          sizeof(struct ia_css_nr_config),
2201                                          from_user))
2202                         return -EFAULT;
2203                 css_param->update_flag.nr_config =
2204                     (struct atomisp_nr_config *)&css_param->nr_config;
2205         }
2206
2207         if (arg->ee_config && (from_user || !cur_config->ee_config)) {
2208                 if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
2209                                          sizeof(struct ia_css_ee_config),
2210                                          from_user))
2211                         return -EFAULT;
2212                 css_param->update_flag.ee_config =
2213                     (struct atomisp_ee_config *)&css_param->ee_config;
2214         }
2215
2216         if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
2217                 if (copy_from_compatible(&css_param->tnr_config,
2218                                          arg->tnr_config,
2219                                          sizeof(struct ia_css_tnr_config),
2220                                          from_user))
2221                         return -EFAULT;
2222                 css_param->update_flag.tnr_config =
2223                     (struct atomisp_tnr_config *)
2224                     &css_param->tnr_config;
2225         }
2226
2227         if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
2228                 if (copy_from_compatible(&css_param->s3a_config,
2229                                          arg->a3a_config,
2230                                          sizeof(struct ia_css_3a_config),
2231                                          from_user))
2232                         return -EFAULT;
2233                 css_param->update_flag.a3a_config =
2234                     (struct atomisp_3a_config *)&css_param->s3a_config;
2235         }
2236
2237         if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
2238                 if (copy_from_compatible(&css_param->ctc_config,
2239                                          arg->ctc_config,
2240                                          sizeof(struct ia_css_ctc_config),
2241                                          from_user))
2242                         return -EFAULT;
2243                 css_param->update_flag.ctc_config =
2244                     (struct atomisp_ctc_config *)
2245                     &css_param->ctc_config;
2246         }
2247
2248         if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
2249                 if (copy_from_compatible(&css_param->cnr_config,
2250                                          arg->cnr_config,
2251                                          sizeof(struct ia_css_cnr_config),
2252                                          from_user))
2253                         return -EFAULT;
2254                 css_param->update_flag.cnr_config =
2255                     (struct atomisp_cnr_config *)
2256                     &css_param->cnr_config;
2257         }
2258
2259         if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
2260                 if (copy_from_compatible(&css_param->ecd_config,
2261                                          arg->ecd_config,
2262                                          sizeof(struct ia_css_ecd_config),
2263                                          from_user))
2264                         return -EFAULT;
2265                 css_param->update_flag.ecd_config =
2266                     (struct atomisp_ecd_config *)
2267                     &css_param->ecd_config;
2268         }
2269
2270         if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
2271                 if (copy_from_compatible(&css_param->ynr_config,
2272                                          arg->ynr_config,
2273                                          sizeof(struct ia_css_ynr_config),
2274                                          from_user))
2275                         return -EFAULT;
2276                 css_param->update_flag.ynr_config =
2277                     (struct atomisp_ynr_config *)
2278                     &css_param->ynr_config;
2279         }
2280
2281         if (arg->fc_config && (from_user || !cur_config->fc_config)) {
2282                 if (copy_from_compatible(&css_param->fc_config,
2283                                          arg->fc_config,
2284                                          sizeof(struct ia_css_fc_config),
2285                                          from_user))
2286                         return -EFAULT;
2287                 css_param->update_flag.fc_config =
2288                     (struct atomisp_fc_config *)&css_param->fc_config;
2289         }
2290
2291         if (arg->macc_config && (from_user || !cur_config->macc_config)) {
2292                 if (copy_from_compatible(&css_param->macc_config,
2293                                          arg->macc_config,
2294                                          sizeof(struct ia_css_macc_config),
2295                                          from_user))
2296                         return -EFAULT;
2297                 css_param->update_flag.macc_config =
2298                     (struct atomisp_macc_config *)
2299                     &css_param->macc_config;
2300         }
2301
2302         if (arg->aa_config && (from_user || !cur_config->aa_config)) {
2303                 if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
2304                                          sizeof(struct ia_css_aa_config),
2305                                          from_user))
2306                         return -EFAULT;
2307                 css_param->update_flag.aa_config =
2308                     (struct atomisp_aa_config *)&css_param->aa_config;
2309         }
2310
2311         if (arg->anr_config && (from_user || !cur_config->anr_config)) {
2312                 if (copy_from_compatible(&css_param->anr_config,
2313                                          arg->anr_config,
2314                                          sizeof(struct ia_css_anr_config),
2315                                          from_user))
2316                         return -EFAULT;
2317                 css_param->update_flag.anr_config =
2318                     (struct atomisp_anr_config *)
2319                     &css_param->anr_config;
2320         }
2321
2322         if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
2323                 if (copy_from_compatible(&css_param->xnr_config,
2324                                          arg->xnr_config,
2325                                          sizeof(struct ia_css_xnr_config),
2326                                          from_user))
2327                         return -EFAULT;
2328                 css_param->update_flag.xnr_config =
2329                     (struct atomisp_xnr_config *)
2330                     &css_param->xnr_config;
2331         }
2332
2333         if (arg->yuv2rgb_cc_config &&
2334             (from_user || !cur_config->yuv2rgb_cc_config)) {
2335                 if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
2336                                          arg->yuv2rgb_cc_config,
2337                                          sizeof(struct ia_css_cc_config),
2338                                          from_user))
2339                         return -EFAULT;
2340                 css_param->update_flag.yuv2rgb_cc_config =
2341                     (struct atomisp_cc_config *)
2342                     &css_param->yuv2rgb_cc_config;
2343         }
2344
2345         if (arg->rgb2yuv_cc_config &&
2346             (from_user || !cur_config->rgb2yuv_cc_config)) {
2347                 if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
2348                                          arg->rgb2yuv_cc_config,
2349                                          sizeof(struct ia_css_cc_config),
2350                                          from_user))
2351                         return -EFAULT;
2352                 css_param->update_flag.rgb2yuv_cc_config =
2353                     (struct atomisp_cc_config *)
2354                     &css_param->rgb2yuv_cc_config;
2355         }
2356
2357         if (arg->macc_table && (from_user || !cur_config->macc_table)) {
2358                 if (copy_from_compatible(&css_param->macc_table,
2359                                          arg->macc_table,
2360                                          sizeof(struct ia_css_macc_table),
2361                                          from_user))
2362                         return -EFAULT;
2363                 css_param->update_flag.macc_table =
2364                     (struct atomisp_macc_table *)
2365                     &css_param->macc_table;
2366         }
2367
2368         if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
2369                 if (copy_from_compatible(&css_param->xnr_table,
2370                                          arg->xnr_table,
2371                                          sizeof(struct ia_css_xnr_table),
2372                                          from_user))
2373                         return -EFAULT;
2374                 css_param->update_flag.xnr_table =
2375                     (struct atomisp_xnr_table *)&css_param->xnr_table;
2376         }
2377
2378         if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
2379                 if (copy_from_compatible(&css_param->r_gamma_table,
2380                                          arg->r_gamma_table,
2381                                          sizeof(struct ia_css_rgb_gamma_table),
2382                                          from_user))
2383                         return -EFAULT;
2384                 css_param->update_flag.r_gamma_table =
2385                     (struct atomisp_rgb_gamma_table *)
2386                     &css_param->r_gamma_table;
2387         }
2388
2389         if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
2390                 if (copy_from_compatible(&css_param->g_gamma_table,
2391                                          arg->g_gamma_table,
2392                                          sizeof(struct ia_css_rgb_gamma_table),
2393                                          from_user))
2394                         return -EFAULT;
2395                 css_param->update_flag.g_gamma_table =
2396                     (struct atomisp_rgb_gamma_table *)
2397                     &css_param->g_gamma_table;
2398         }
2399
2400         if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
2401                 if (copy_from_compatible(&css_param->b_gamma_table,
2402                                          arg->b_gamma_table,
2403                                          sizeof(struct ia_css_rgb_gamma_table),
2404                                          from_user))
2405                         return -EFAULT;
2406                 css_param->update_flag.b_gamma_table =
2407                     (struct atomisp_rgb_gamma_table *)
2408                     &css_param->b_gamma_table;
2409         }
2410
2411         if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
2412                 if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
2413                                          sizeof(struct ia_css_anr_thres),
2414                                          from_user))
2415                         return -EFAULT;
2416                 css_param->update_flag.anr_thres =
2417                     (struct atomisp_anr_thres *)&css_param->anr_thres;
2418         }
2419
2420         if (from_user)
2421                 css_param->isp_config_id = arg->isp_config_id;
2422         /*
2423          * These configurations are on used by ISP1.x, not for ISP2.x,
2424          * so do not handle them. see comments of ia_css_isp_config.
2425          * 1 cc_config
2426          * 2 ce_config
2427          * 3 de_config
2428          * 4 gc_config
2429          * 5 gamma_table
2430          * 6 ctc_table
2431          * 7 dvs_coefs
2432          */
2433         return 0;
2434 }
2435
2436 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
2437                          struct atomisp_shading_table *source_st,
2438                          struct atomisp_css_params *css_param,
2439                          bool from_user)
2440 {
2441         unsigned int i;
2442         unsigned int len_table;
2443         struct ia_css_shading_table *shading_table;
2444         struct ia_css_shading_table *old_table;
2445         struct atomisp_shading_table *st, dest_st;
2446
2447         if (!source_st)
2448                 return 0;
2449
2450         if (!css_param)
2451                 return -EINVAL;
2452
2453         if (!from_user && css_param->update_flag.shading_table)
2454                 return 0;
2455
2456         if (IS_ISP2401) {
2457                 if (copy_from_compatible(&dest_st, source_st,
2458                                         sizeof(struct atomisp_shading_table),
2459                                         from_user)) {
2460                         dev_err(asd->isp->dev, "copy shading table failed!");
2461                         return -EFAULT;
2462                 }
2463                 st = &dest_st;
2464         } else {
2465                 st = source_st;
2466         }
2467
2468         old_table = css_param->shading_table;
2469
2470         /* user config is to disable the shading table. */
2471         if (!st->enable) {
2472                 /* Generate a minimum table with enable = 0. */
2473                 shading_table = atomisp_css_shading_table_alloc(1, 1);
2474                 if (!shading_table)
2475                         return -ENOMEM;
2476                 shading_table->enable = 0;
2477                 goto set_lsc;
2478         }
2479
2480         /* Setting a new table. Validate first - all tables must be set */
2481         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2482                 if (!st->data[i]) {
2483                         dev_err(asd->isp->dev, "shading table validate failed");
2484                         return -EINVAL;
2485                 }
2486         }
2487
2488         /* Shading table size per color */
2489         if (st->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
2490             st->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
2491                 dev_err(asd->isp->dev, "shading table w/h validate failed!");
2492                 return -EINVAL;
2493         }
2494
2495         shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
2496         if (!shading_table)
2497                 return -ENOMEM;
2498
2499         len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
2500         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2501                 if (copy_from_compatible(shading_table->data[i],
2502                                          st->data[i], len_table, from_user)) {
2503                         atomisp_css_shading_table_free(shading_table);
2504                         return -EFAULT;
2505                 }
2506         }
2507         shading_table->sensor_width = st->sensor_width;
2508         shading_table->sensor_height = st->sensor_height;
2509         shading_table->fraction_bits = st->fraction_bits;
2510         shading_table->enable = st->enable;
2511
2512         /* No need to update shading table if it is the same */
2513         if (old_table &&
2514             old_table->sensor_width == shading_table->sensor_width &&
2515             old_table->sensor_height == shading_table->sensor_height &&
2516             old_table->width == shading_table->width &&
2517             old_table->height == shading_table->height &&
2518             old_table->fraction_bits == shading_table->fraction_bits &&
2519             old_table->enable == shading_table->enable) {
2520                 bool data_is_same = true;
2521
2522                 for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
2523                         if (memcmp(shading_table->data[i], old_table->data[i],
2524                                    len_table) != 0) {
2525                                 data_is_same = false;
2526                                 break;
2527                         }
2528                 }
2529
2530                 if (data_is_same) {
2531                         atomisp_css_shading_table_free(shading_table);
2532                         return 0;
2533                 }
2534         }
2535
2536 set_lsc:
2537         /* set LSC to CSS */
2538         css_param->shading_table = shading_table;
2539         css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
2540         asd->params.sc_en = shading_table;
2541
2542         if (old_table)
2543                 atomisp_css_shading_table_free(old_table);
2544
2545         return 0;
2546 }
2547
2548 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
2549                               struct ia_css_dvs2_coefficients *coefs,
2550                               struct atomisp_css_params *css_param,
2551                               bool from_user)
2552 {
2553         struct ia_css_dvs_grid_info *cur =
2554             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
2555         int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
2556         struct ia_css_dvs2_coefficients dvs2_coefs;
2557
2558         if (!coefs || !cur)
2559                 return 0;
2560
2561         if (!from_user && css_param->update_flag.dvs2_coefs)
2562                 return 0;
2563
2564         if (!IS_ISP2401) {
2565                 if (sizeof(*cur) != sizeof(coefs->grid) ||
2566                     memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
2567                         dev_err(asd->isp->dev, "dvs grid mismatch!\n");
2568                         /* If the grid info in the argument differs from the current
2569                         grid info, we tell the caller to reset the grid size and
2570                         try again. */
2571                         return -EAGAIN;
2572                 }
2573
2574                 if (!coefs->hor_coefs.odd_real ||
2575                     !coefs->hor_coefs.odd_imag ||
2576                     !coefs->hor_coefs.even_real ||
2577                     !coefs->hor_coefs.even_imag ||
2578                     !coefs->ver_coefs.odd_real ||
2579                     !coefs->ver_coefs.odd_imag ||
2580                     !coefs->ver_coefs.even_real ||
2581                     !coefs->ver_coefs.even_imag)
2582                         return -EINVAL;
2583
2584                 if (!css_param->dvs2_coeff) {
2585                         /* DIS coefficients. */
2586                         css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
2587                         if (!css_param->dvs2_coeff)
2588                                 return -ENOMEM;
2589                 }
2590
2591                 dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
2592                 dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
2593                 if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
2594                                         coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
2595                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
2596                                         coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
2597                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
2598                                         coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
2599                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
2600                                         coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
2601                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
2602                                         coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
2603                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
2604                                         coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
2605                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
2606                                         coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
2607                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
2608                                         coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
2609                         ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2610                         css_param->dvs2_coeff = NULL;
2611                         return -EFAULT;
2612                 }
2613         } else {
2614                 if (copy_from_compatible(&dvs2_coefs, coefs,
2615                                         sizeof(struct ia_css_dvs2_coefficients),
2616                                         from_user)) {
2617                         dev_err(asd->isp->dev, "copy dvs2 coef failed");
2618                         return -EFAULT;
2619                 }
2620
2621                 if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
2622                     memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
2623                         dev_err(asd->isp->dev, "dvs grid mismatch!\n");
2624                         /* If the grid info in the argument differs from the current
2625                         grid info, we tell the caller to reset the grid size and
2626                         try again. */
2627                         return -EAGAIN;
2628                 }
2629
2630                 if (!dvs2_coefs.hor_coefs.odd_real ||
2631                     !dvs2_coefs.hor_coefs.odd_imag ||
2632                     !dvs2_coefs.hor_coefs.even_real ||
2633                     !dvs2_coefs.hor_coefs.even_imag ||
2634                     !dvs2_coefs.ver_coefs.odd_real ||
2635                     !dvs2_coefs.ver_coefs.odd_imag ||
2636                     !dvs2_coefs.ver_coefs.even_real ||
2637                     !dvs2_coefs.ver_coefs.even_imag)
2638                         return -EINVAL;
2639
2640                 if (!css_param->dvs2_coeff) {
2641                         /* DIS coefficients. */
2642                         css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
2643                         if (!css_param->dvs2_coeff)
2644                                 return -ENOMEM;
2645                 }
2646
2647                 dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
2648                 dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
2649                 if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
2650                                         dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
2651                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
2652                                         dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
2653                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
2654                                         dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
2655                     copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
2656                                         dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
2657                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
2658                                         dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
2659                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
2660                                         dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
2661                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
2662                                         dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
2663                     copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
2664                                         dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
2665                         ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2666                         css_param->dvs2_coeff = NULL;
2667                         return -EFAULT;
2668                 }
2669         }
2670
2671         css_param->update_flag.dvs2_coefs =
2672             (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
2673         return 0;
2674 }
2675
2676 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
2677                                 struct atomisp_dvs_6axis_config *source_6axis_config,
2678                                 struct atomisp_css_params *css_param,
2679                                 bool from_user)
2680 {
2681         struct ia_css_dvs_6axis_config *dvs_6axis_config;
2682         struct ia_css_dvs_6axis_config *old_6axis_config;
2683         struct ia_css_stream *stream =
2684                     asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2685         struct ia_css_dvs_grid_info *dvs_grid_info =
2686             atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
2687         int ret = -EFAULT;
2688
2689         if (!stream) {
2690                 dev_err(asd->isp->dev, "%s: internal error!", __func__);
2691                 return -EINVAL;
2692         }
2693
2694         if (!source_6axis_config || !dvs_grid_info)
2695                 return 0;
2696
2697         if (!dvs_grid_info->enable)
2698                 return 0;
2699
2700         if (!from_user && css_param->update_flag.dvs_6axis_config)
2701                 return 0;
2702
2703         /* check whether need to reallocate for 6 axis config */
2704         old_6axis_config = css_param->dvs_6axis;
2705         dvs_6axis_config = old_6axis_config;
2706
2707         if (IS_ISP2401) {
2708                 struct ia_css_dvs_6axis_config t_6axis_config;
2709
2710                 if (copy_from_compatible(&t_6axis_config, source_6axis_config,
2711                                         sizeof(struct atomisp_dvs_6axis_config),
2712                                         from_user)) {
2713                         dev_err(asd->isp->dev, "copy morph table failed!");
2714                         return -EFAULT;
2715                 }
2716
2717                 if (old_6axis_config &&
2718                     (old_6axis_config->width_y != t_6axis_config.width_y ||
2719                     old_6axis_config->height_y != t_6axis_config.height_y ||
2720                     old_6axis_config->width_uv != t_6axis_config.width_uv ||
2721                     old_6axis_config->height_uv != t_6axis_config.height_uv)) {
2722                         ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2723                         css_param->dvs_6axis = NULL;
2724
2725                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2726                         if (!dvs_6axis_config)
2727                                 return -ENOMEM;
2728                 } else if (!dvs_6axis_config) {
2729                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2730                         if (!dvs_6axis_config)
2731                                 return -ENOMEM;
2732                 }
2733
2734                 dvs_6axis_config->exp_id = t_6axis_config.exp_id;
2735
2736                 if (copy_from_compatible(dvs_6axis_config->xcoords_y,
2737                                         t_6axis_config.xcoords_y,
2738                                         t_6axis_config.width_y *
2739                                         t_6axis_config.height_y *
2740                                         sizeof(*dvs_6axis_config->xcoords_y),
2741                                         from_user))
2742                         goto error;
2743                 if (copy_from_compatible(dvs_6axis_config->ycoords_y,
2744                                         t_6axis_config.ycoords_y,
2745                                         t_6axis_config.width_y *
2746                                         t_6axis_config.height_y *
2747                                         sizeof(*dvs_6axis_config->ycoords_y),
2748                                         from_user))
2749                         goto error;
2750                 if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
2751                                         t_6axis_config.xcoords_uv,
2752                                         t_6axis_config.width_uv *
2753                                         t_6axis_config.height_uv *
2754                                         sizeof(*dvs_6axis_config->xcoords_uv),
2755                                         from_user))
2756                         goto error;
2757                 if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
2758                                         t_6axis_config.ycoords_uv,
2759                                         t_6axis_config.width_uv *
2760                                         t_6axis_config.height_uv *
2761                                         sizeof(*dvs_6axis_config->ycoords_uv),
2762                                         from_user))
2763                         goto error;
2764         } else {
2765                 if (old_6axis_config &&
2766                     (old_6axis_config->width_y != source_6axis_config->width_y ||
2767                     old_6axis_config->height_y != source_6axis_config->height_y ||
2768                     old_6axis_config->width_uv != source_6axis_config->width_uv ||
2769                     old_6axis_config->height_uv != source_6axis_config->height_uv)) {
2770                         ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2771                         css_param->dvs_6axis = NULL;
2772
2773                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2774                         if (!dvs_6axis_config) {
2775                                 ret = -ENOMEM;
2776                                 goto error;
2777                         }
2778                 } else if (!dvs_6axis_config) {
2779                         dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
2780                         if (!dvs_6axis_config) {
2781                                 ret = -ENOMEM;
2782                                 goto error;
2783                         }
2784                 }
2785
2786                 dvs_6axis_config->exp_id = source_6axis_config->exp_id;
2787
2788                 if (copy_from_compatible(dvs_6axis_config->xcoords_y,
2789                                         source_6axis_config->xcoords_y,
2790                                         source_6axis_config->width_y *
2791                                         source_6axis_config->height_y *
2792                                         sizeof(*source_6axis_config->xcoords_y),
2793                                         from_user))
2794                         goto error;
2795                 if (copy_from_compatible(dvs_6axis_config->ycoords_y,
2796                                         source_6axis_config->ycoords_y,
2797                                         source_6axis_config->width_y *
2798                                         source_6axis_config->height_y *
2799                                         sizeof(*source_6axis_config->ycoords_y),
2800                                         from_user))
2801                         goto error;
2802                 if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
2803                                         source_6axis_config->xcoords_uv,
2804                                         source_6axis_config->width_uv *
2805                                         source_6axis_config->height_uv *
2806                                         sizeof(*source_6axis_config->xcoords_uv),
2807                                         from_user))
2808                         goto error;
2809                 if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
2810                                         source_6axis_config->ycoords_uv,
2811                                         source_6axis_config->width_uv *
2812                                         source_6axis_config->height_uv *
2813                                         sizeof(*source_6axis_config->ycoords_uv),
2814                                         from_user))
2815                         goto error;
2816         }
2817         css_param->dvs_6axis = dvs_6axis_config;
2818         css_param->update_flag.dvs_6axis_config =
2819             (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
2820         return 0;
2821
2822 error:
2823         if (dvs_6axis_config)
2824                 ia_css_dvs2_6axis_config_free(dvs_6axis_config);
2825         return ret;
2826 }
2827
2828 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
2829                            struct atomisp_morph_table *source_morph_table,
2830                            struct atomisp_css_params *css_param,
2831                            bool from_user)
2832 {
2833         int ret = -EFAULT;
2834         unsigned int i;
2835         struct ia_css_morph_table *morph_table;
2836         struct ia_css_morph_table *old_morph_table;
2837
2838         if (!source_morph_table)
2839                 return 0;
2840
2841         if (!from_user && css_param->update_flag.morph_table)
2842                 return 0;
2843
2844         old_morph_table = css_param->morph_table;
2845
2846         if (IS_ISP2401) {
2847                 struct ia_css_morph_table mtbl;
2848
2849                 if (copy_from_compatible(&mtbl, source_morph_table,
2850                                 sizeof(struct atomisp_morph_table),
2851                                 from_user)) {
2852                         dev_err(asd->isp->dev, "copy morph table failed!");
2853                         return -EFAULT;
2854                 }
2855
2856                 morph_table = atomisp_css_morph_table_allocate(
2857                                 mtbl.width,
2858                                 mtbl.height);
2859                 if (!morph_table)
2860                         return -ENOMEM;
2861
2862                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2863                         if (copy_from_compatible(morph_table->coordinates_x[i],
2864                                                 (__force void *)source_morph_table->coordinates_x[i],
2865                                                 mtbl.height * mtbl.width *
2866                                                 sizeof(*morph_table->coordinates_x[i]),
2867                                                 from_user))
2868                                 goto error;
2869
2870                         if (copy_from_compatible(morph_table->coordinates_y[i],
2871                                                 (__force void *)source_morph_table->coordinates_y[i],
2872                                                 mtbl.height * mtbl.width *
2873                                                 sizeof(*morph_table->coordinates_y[i]),
2874                                                 from_user))
2875                                 goto error;
2876                 }
2877         } else {
2878                 morph_table = atomisp_css_morph_table_allocate(
2879                                 source_morph_table->width,
2880                                 source_morph_table->height);
2881                 if (!morph_table) {
2882                         ret = -ENOMEM;
2883                         goto error;
2884                 }
2885
2886                 for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2887                         if (copy_from_compatible(morph_table->coordinates_x[i],
2888                                                 (__force void *)source_morph_table->coordinates_x[i],
2889                                                 source_morph_table->height * source_morph_table->width *
2890                                                 sizeof(*source_morph_table->coordinates_x[i]),
2891                                                 from_user))
2892                                 goto error;
2893
2894                         if (copy_from_compatible(morph_table->coordinates_y[i],
2895                                                 (__force void *)source_morph_table->coordinates_y[i],
2896                                                 source_morph_table->height * source_morph_table->width *
2897                                                 sizeof(*source_morph_table->coordinates_y[i]),
2898                                                 from_user))
2899                                 goto error;
2900                 }
2901         }
2902
2903         css_param->morph_table = morph_table;
2904         if (old_morph_table)
2905                 atomisp_css_morph_table_free(old_morph_table);
2906         css_param->update_flag.morph_table =
2907             (struct atomisp_morph_table *)morph_table;
2908         return 0;
2909
2910 error:
2911         if (morph_table)
2912                 atomisp_css_morph_table_free(morph_table);
2913         return ret;
2914 }
2915
2916 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
2917                                   struct atomisp_parameters *arg,
2918                                   struct atomisp_css_params *css_param)
2919 {
2920         int ret;
2921
2922         ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
2923         if (ret)
2924                 return ret;
2925         ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
2926         if (ret)
2927                 return ret;
2928         ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
2929         if (ret)
2930                 return ret;
2931         ret = atomisp_css_cp_dvs2_coefs(asd,
2932                                         (struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
2933                                         css_param, false);
2934         if (ret)
2935                 return ret;
2936         ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
2937                                           css_param, false);
2938         return ret;
2939 }
2940
2941 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
2942 {
2943         if (css_param->dvs_6axis) {
2944                 ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
2945                 css_param->dvs_6axis = NULL;
2946         }
2947         if (css_param->dvs2_coeff) {
2948                 ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
2949                 css_param->dvs2_coeff = NULL;
2950         }
2951         if (css_param->shading_table) {
2952                 ia_css_shading_table_free(css_param->shading_table);
2953                 css_param->shading_table = NULL;
2954         }
2955         if (css_param->morph_table) {
2956                 ia_css_morph_table_free(css_param->morph_table);
2957                 css_param->morph_table = NULL;
2958         }
2959 }
2960
2961 static void atomisp_move_frame_to_activeq(struct ia_css_frame *frame,
2962                                           struct atomisp_css_params_with_list *param)
2963 {
2964         struct atomisp_video_pipe *pipe = vb_to_pipe(&frame->vb.vb2_buf);
2965         unsigned long irqflags;
2966
2967         pipe->frame_params[frame->vb.vb2_buf.index] = param;
2968         spin_lock_irqsave(&pipe->irq_lock, irqflags);
2969         list_move_tail(&frame->queue, &pipe->activeq);
2970         spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
2971 }
2972
2973 /*
2974  * Check parameter queue list and buffer queue list to find out if matched items
2975  * and then set parameter to CSS and enqueue buffer to CSS.
2976  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
2977  * parameter, it will be enqueued into CSS as long as the per-frame setting
2978  * buffers before it get enqueued.
2979  */
2980 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
2981 {
2982         struct atomisp_sub_device *asd = pipe->asd;
2983         struct ia_css_frame *frame = NULL, *frame_tmp;
2984         struct atomisp_css_params_with_list *param = NULL, *param_tmp;
2985         bool need_to_enqueue_buffer = false;
2986         int i;
2987
2988         lockdep_assert_held(&asd->isp->mutex);
2989
2990         /*
2991          * CSS/FW requires set parameter and enqueue buffer happen after ISP
2992          * is streamon.
2993          */
2994         if (!asd->streaming)
2995                 return;
2996
2997         if (list_empty(&pipe->per_frame_params) ||
2998             list_empty(&pipe->buffers_waiting_for_param))
2999                 return;
3000
3001         list_for_each_entry_safe(frame, frame_tmp,
3002                                  &pipe->buffers_waiting_for_param, queue) {
3003                 i = frame->vb.vb2_buf.index;
3004                 if (pipe->frame_request_config_id[i]) {
3005                         list_for_each_entry_safe(param, param_tmp,
3006                                                  &pipe->per_frame_params, list) {
3007                                 if (pipe->frame_request_config_id[i] != param->params.isp_config_id)
3008                                         continue;
3009
3010                                 list_del(&param->list);
3011
3012                                 /*
3013                                  * clear the request config id as the buffer
3014                                  * will be handled and enqueued into CSS soon
3015                                  */
3016                                 pipe->frame_request_config_id[i] = 0;
3017                                 atomisp_move_frame_to_activeq(frame, param);
3018                                 need_to_enqueue_buffer = true;
3019                                 break;
3020                         }
3021
3022                         /* If this is the end, stop further loop */
3023                         if (list_entry_is_head(param, &pipe->per_frame_params, list))
3024                                 break;
3025                 } else {
3026                         atomisp_move_frame_to_activeq(frame, NULL);
3027                         need_to_enqueue_buffer = true;
3028                 }
3029         }
3030
3031         if (!need_to_enqueue_buffer)
3032                 return;
3033
3034         atomisp_qbuffers_to_css(asd);
3035 }
3036
3037 /*
3038 * Function to configure ISP parameters
3039 */
3040 int atomisp_set_parameters(struct video_device *vdev,
3041                            struct atomisp_parameters *arg)
3042 {
3043         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
3044         struct atomisp_sub_device *asd = pipe->asd;
3045         struct atomisp_css_params_with_list *param = NULL;
3046         struct atomisp_css_params *css_param = &asd->params.css_param;
3047         int ret;
3048
3049         lockdep_assert_held(&asd->isp->mutex);
3050
3051         if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
3052                 dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
3053                 return -EINVAL;
3054         }
3055
3056         dev_dbg(asd->isp->dev, "set parameter(per_frame_setting %d) isp_config_id %d of %s\n",
3057                 arg->per_frame_setting, arg->isp_config_id, vdev->name);
3058
3059         if (arg->per_frame_setting) {
3060                 /*
3061                  * Per-frame setting enabled, we allocate a new parameter
3062                  * buffer to cache the parameters and only when frame buffers
3063                  * are ready, the parameters will be set to CSS.
3064                  * per-frame setting only works for the main output frame.
3065                  */
3066                 param = kvzalloc(sizeof(*param), GFP_KERNEL);
3067                 if (!param) {
3068                         dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
3069                                 __func__);
3070                         return -ENOMEM;
3071                 }
3072                 css_param = &param->params;
3073         }
3074
3075         ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
3076         if (ret)
3077                 goto apply_parameter_failed;
3078
3079         ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
3080         if (ret)
3081                 goto apply_parameter_failed;
3082
3083         ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
3084         if (ret)
3085                 goto apply_parameter_failed;
3086
3087         ret = atomisp_css_cp_dvs2_coefs(asd,
3088                                         (struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
3089                                         css_param, true);
3090         if (ret)
3091                 goto apply_parameter_failed;
3092
3093         ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
3094                                           css_param, true);
3095         if (ret)
3096                 goto apply_parameter_failed;
3097
3098         if (!arg->per_frame_setting) {
3099                 /* indicate to CSS that we have parameters to be updated */
3100                 asd->params.css_update_params_needed = true;
3101         } else {
3102                 list_add_tail(&param->list, &pipe->per_frame_params);
3103                 atomisp_handle_parameter_and_buffer(pipe);
3104         }
3105
3106         return 0;
3107
3108 apply_parameter_failed:
3109         if (css_param)
3110                 atomisp_free_css_parameters(css_param);
3111         kvfree(param);
3112
3113         return ret;
3114 }
3115
3116 /*
3117  * Function to set/get isp parameters to isp
3118  */
3119 int atomisp_param(struct atomisp_sub_device *asd, int flag,
3120                   struct atomisp_parm *config)
3121 {
3122         struct ia_css_pipe_config *vp_cfg =
3123                     &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
3124                     pipe_configs[IA_CSS_PIPE_ID_VIDEO];
3125
3126         /* Read parameter for 3A binary info */
3127         if (flag == 0) {
3128                 struct ia_css_dvs_grid_info *dvs_grid_info =
3129                     atomisp_css_get_dvs_grid_info(
3130                         &asd->params.curr_grid_info);
3131
3132                 atomisp_curr_user_grid_info(asd, &config->info);
3133
3134                 /* We always return the resolution and stride even if there is
3135                  * no valid metadata. This allows the caller to get the
3136                  * information needed to allocate user-space buffers. */
3137                 config->metadata_config.metadata_height = asd->
3138                         stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3139                         metadata_info.resolution.height;
3140                 config->metadata_config.metadata_stride = asd->
3141                         stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
3142                         metadata_info.stride;
3143
3144                 /* update dvs grid info */
3145                 if (dvs_grid_info)
3146                         memcpy(&config->dvs_grid,
3147                                dvs_grid_info,
3148                                sizeof(struct ia_css_dvs_grid_info));
3149
3150                 if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3151                         config->dvs_envelop.width = 0;
3152                         config->dvs_envelop.height = 0;
3153                         return 0;
3154                 }
3155
3156                 /* update dvs envelop info */
3157                 config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
3158                 config->dvs_envelop.height = vp_cfg->dvs_envelope.height;
3159                 return 0;
3160         }
3161
3162         memcpy(&asd->params.css_param.wb_config, &config->wb_config,
3163                sizeof(struct ia_css_wb_config));
3164         memcpy(&asd->params.css_param.ob_config, &config->ob_config,
3165                sizeof(struct ia_css_ob_config));
3166         memcpy(&asd->params.css_param.dp_config, &config->dp_config,
3167                sizeof(struct ia_css_dp_config));
3168         memcpy(&asd->params.css_param.de_config, &config->de_config,
3169                sizeof(struct ia_css_de_config));
3170         memcpy(&asd->params.css_param.dz_config, &config->dz_config,
3171                sizeof(struct ia_css_dz_config));
3172         memcpy(&asd->params.css_param.ce_config, &config->ce_config,
3173                sizeof(struct ia_css_ce_config));
3174         memcpy(&asd->params.css_param.nr_config, &config->nr_config,
3175                sizeof(struct ia_css_nr_config));
3176         memcpy(&asd->params.css_param.ee_config, &config->ee_config,
3177                sizeof(struct ia_css_ee_config));
3178         memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
3179                sizeof(struct ia_css_tnr_config));
3180
3181         if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
3182                 asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
3183                 asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
3184                 asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
3185                 asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
3186                 asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
3187                 asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
3188         }
3189
3190         if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
3191             asd->params.color_effect != V4L2_COLORFX_BW) {
3192                 memcpy(&asd->params.css_param.cc_config, &config->cc_config,
3193                        sizeof(struct ia_css_cc_config));
3194                 asd->params.config.cc_config = &asd->params.css_param.cc_config;
3195         }
3196
3197         asd->params.config.wb_config = &asd->params.css_param.wb_config;
3198         asd->params.config.ob_config = &asd->params.css_param.ob_config;
3199         asd->params.config.de_config = &asd->params.css_param.de_config;
3200         asd->params.config.dz_config = &asd->params.css_param.dz_config;
3201         asd->params.config.ce_config = &asd->params.css_param.ce_config;
3202         asd->params.config.dp_config = &asd->params.css_param.dp_config;
3203         asd->params.config.nr_config = &asd->params.css_param.nr_config;
3204         asd->params.config.ee_config = &asd->params.css_param.ee_config;
3205         asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
3206         asd->params.css_update_params_needed = true;
3207
3208         return 0;
3209 }
3210
3211 /*
3212  * Function to configure color effect of the image
3213  */
3214 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
3215                          __s32 *effect)
3216 {
3217         struct ia_css_cc_config *cc_config = NULL;
3218         struct ia_css_macc_table *macc_table = NULL;
3219         struct ia_css_ctc_table *ctc_table = NULL;
3220         int ret = 0;
3221         struct v4l2_control control;
3222         struct atomisp_device *isp = asd->isp;
3223
3224         if (flag == 0) {
3225                 *effect = asd->params.color_effect;
3226                 return 0;
3227         }
3228
3229         control.id = V4L2_CID_COLORFX;
3230         control.value = *effect;
3231         ret =
3232             v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
3233                         &control);
3234         /*
3235          * if set color effect to sensor successfully, return
3236          * 0 directly.
3237          */
3238         if (!ret) {
3239                 asd->params.color_effect = (u32)*effect;
3240                 return 0;
3241         }
3242
3243         if (*effect == asd->params.color_effect)
3244                 return 0;
3245
3246         /*
3247          * isp_subdev->params.macc_en should be set to false.
3248          */
3249         asd->params.macc_en = false;
3250
3251         switch (*effect) {
3252         case V4L2_COLORFX_NONE:
3253                 macc_table = &asd->params.css_param.macc_table;
3254                 asd->params.macc_en = true;
3255                 break;
3256         case V4L2_COLORFX_SEPIA:
3257                 cc_config = &sepia_cc_config;
3258                 break;
3259         case V4L2_COLORFX_NEGATIVE:
3260                 cc_config = &nega_cc_config;
3261                 break;
3262         case V4L2_COLORFX_BW:
3263                 cc_config = &mono_cc_config;
3264                 break;
3265         case V4L2_COLORFX_SKY_BLUE:
3266                 macc_table = &blue_macc_table;
3267                 asd->params.macc_en = true;
3268                 break;
3269         case V4L2_COLORFX_GRASS_GREEN:
3270                 macc_table = &green_macc_table;
3271                 asd->params.macc_en = true;
3272                 break;
3273         case V4L2_COLORFX_SKIN_WHITEN_LOW:
3274                 macc_table = &skin_low_macc_table;
3275                 asd->params.macc_en = true;
3276                 break;
3277         case V4L2_COLORFX_SKIN_WHITEN:
3278                 macc_table = &skin_medium_macc_table;
3279                 asd->params.macc_en = true;
3280                 break;
3281         case V4L2_COLORFX_SKIN_WHITEN_HIGH:
3282                 macc_table = &skin_high_macc_table;
3283                 asd->params.macc_en = true;
3284                 break;
3285         case V4L2_COLORFX_VIVID:
3286                 ctc_table = &vivid_ctc_table;
3287                 break;
3288         default:
3289                 return -EINVAL;
3290         }
3291         atomisp_update_capture_mode(asd);
3292
3293         if (cc_config)
3294                 asd->params.config.cc_config = cc_config;
3295         if (macc_table)
3296                 asd->params.config.macc_table = macc_table;
3297         if (ctc_table)
3298                 atomisp_css_set_ctc_table(asd, ctc_table);
3299         asd->params.color_effect = (u32)*effect;
3300         asd->params.css_update_params_needed = true;
3301         return 0;
3302 }
3303
3304 /*
3305  * Function to configure bad pixel correction
3306  */
3307 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
3308                       __s32 *value)
3309 {
3310         if (flag == 0) {
3311                 *value = asd->params.bad_pixel_en;
3312                 return 0;
3313         }
3314         asd->params.bad_pixel_en = !!*value;
3315
3316         return 0;
3317 }
3318
3319 /*
3320  * Function to configure bad pixel correction params
3321  */
3322 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
3323                             struct atomisp_dp_config *config)
3324 {
3325         if (flag == 0) {
3326                 /* Get bad pixel from current setup */
3327                 if (atomisp_css_get_dp_config(asd, config))
3328                         return -EINVAL;
3329         } else {
3330                 /* Set bad pixel to isp parameters */
3331                 memcpy(&asd->params.css_param.dp_config, config,
3332                        sizeof(asd->params.css_param.dp_config));
3333                 asd->params.config.dp_config = &asd->params.css_param.dp_config;
3334                 asd->params.css_update_params_needed = true;
3335         }
3336
3337         return 0;
3338 }
3339
3340 /*
3341  * Function to enable/disable video image stablization
3342  */
3343 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
3344                          __s32 *value)
3345 {
3346         if (flag == 0)
3347                 *value = asd->params.video_dis_en;
3348         else
3349                 asd->params.video_dis_en = !!*value;
3350
3351         return 0;
3352 }
3353
3354 /*
3355  * Function to configure fixed pattern noise
3356  */
3357 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
3358                           __s32 *value)
3359 {
3360         if (flag == 0) {
3361                 *value = asd->params.fpn_en;
3362                 return 0;
3363         }
3364
3365         if (*value == 0) {
3366                 asd->params.fpn_en = false;
3367                 return 0;
3368         }
3369
3370         /* Add function to get black from from sensor with shutter off */
3371         return 0;
3372 }
3373
3374 static unsigned int
3375 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
3376                                      enum ia_css_frame_format format)
3377 {
3378         switch (format) {
3379         case IA_CSS_FRAME_FORMAT_UYVY:
3380         case IA_CSS_FRAME_FORMAT_YUYV:
3381         case IA_CSS_FRAME_FORMAT_RAW:
3382         case IA_CSS_FRAME_FORMAT_RGB565:
3383                 return bytesperline / 2;
3384         case IA_CSS_FRAME_FORMAT_RGBA888:
3385                 return bytesperline / 4;
3386         /* The following cases could be removed, but we leave them
3387            in to document the formats that are included. */
3388         case IA_CSS_FRAME_FORMAT_NV11:
3389         case IA_CSS_FRAME_FORMAT_NV12:
3390         case IA_CSS_FRAME_FORMAT_NV16:
3391         case IA_CSS_FRAME_FORMAT_NV21:
3392         case IA_CSS_FRAME_FORMAT_NV61:
3393         case IA_CSS_FRAME_FORMAT_YV12:
3394         case IA_CSS_FRAME_FORMAT_YV16:
3395         case IA_CSS_FRAME_FORMAT_YUV420:
3396         case IA_CSS_FRAME_FORMAT_YUV420_16:
3397         case IA_CSS_FRAME_FORMAT_YUV422:
3398         case IA_CSS_FRAME_FORMAT_YUV422_16:
3399         case IA_CSS_FRAME_FORMAT_YUV444:
3400         case IA_CSS_FRAME_FORMAT_YUV_LINE:
3401         case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
3402         case IA_CSS_FRAME_FORMAT_QPLANE6:
3403         case IA_CSS_FRAME_FORMAT_BINARY_8:
3404         default:
3405                 return bytesperline;
3406         }
3407 }
3408
3409 static int
3410 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
3411                                       struct ia_css_frame **result)
3412 {
3413         struct ia_css_frame *res = NULL;
3414         unsigned int padded_width;
3415         enum ia_css_frame_format sh_format;
3416         char *tmp_buf = NULL;
3417         int ret = 0;
3418
3419         sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
3420         padded_width = atomisp_bytesperline_to_padded_width(
3421                            arg->fmt.bytesperline, sh_format);
3422
3423         /* Note: the padded width on an ia_css_frame is in elements, not in
3424            bytes. The RAW frame we use here should always be a 16bit RAW
3425            frame. This is why we bytesperline/2 is equal to the padded with */
3426         if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
3427                                        sh_format, padded_width, 0)) {
3428                 ret = -ENOMEM;
3429                 goto err;
3430         }
3431
3432         tmp_buf = vmalloc(arg->fmt.sizeimage);
3433         if (!tmp_buf) {
3434                 ret = -ENOMEM;
3435                 goto err;
3436         }
3437         if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
3438                            arg->fmt.sizeimage)) {
3439                 ret = -EFAULT;
3440                 goto err;
3441         }
3442
3443         if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
3444                 ret = -EINVAL;
3445                 goto err;
3446         }
3447
3448 err:
3449         if (ret && res)
3450                 ia_css_frame_free(res);
3451         vfree(tmp_buf);
3452         if (ret == 0)
3453                 *result = res;
3454         return ret;
3455 }
3456
3457 /*
3458  * Function to configure fixed pattern noise table
3459  */
3460 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
3461                                 struct v4l2_framebuffer *arg)
3462 {
3463         struct ia_css_frame *raw_black_frame = NULL;
3464         int ret;
3465
3466         if (!arg)
3467                 return -EINVAL;
3468
3469         ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
3470         if (ret)
3471                 return ret;
3472
3473         if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
3474                                    raw_black_frame) != 0)
3475                 return -ENOMEM;
3476
3477         ia_css_frame_free(raw_black_frame);
3478         return ret;
3479 }
3480
3481 /*
3482  * Function to configure false color correction
3483  */
3484 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
3485                         __s32 *value)
3486 {
3487         /* Get nr config from current setup */
3488         if (flag == 0) {
3489                 *value = asd->params.false_color;
3490                 return 0;
3491         }
3492
3493         /* Set nr config to isp parameters */
3494         if (*value) {
3495                 asd->params.config.de_config = NULL;
3496         } else {
3497                 asd->params.css_param.de_config.pixelnoise = 0;
3498                 asd->params.config.de_config = &asd->params.css_param.de_config;
3499         }
3500         asd->params.css_update_params_needed = true;
3501         asd->params.false_color = *value;
3502         return 0;
3503 }
3504
3505 /*
3506  * Function to configure bad pixel correction params
3507  */
3508 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
3509                               struct atomisp_de_config *config)
3510 {
3511         if (flag == 0) {
3512                 /* Get false color from current setup */
3513                 if (atomisp_css_get_de_config(asd, config))
3514                         return -EINVAL;
3515         } else {
3516                 /* Set false color to isp parameters */
3517                 memcpy(&asd->params.css_param.de_config, config,
3518                        sizeof(asd->params.css_param.de_config));
3519                 asd->params.config.de_config = &asd->params.css_param.de_config;
3520                 asd->params.css_update_params_needed = true;
3521         }
3522
3523         return 0;
3524 }
3525
3526 /*
3527  * Function to configure white balance params
3528  */
3529 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
3530                                 struct atomisp_wb_config *config)
3531 {
3532         if (flag == 0) {
3533                 /* Get white balance from current setup */
3534                 if (atomisp_css_get_wb_config(asd, config))
3535                         return -EINVAL;
3536         } else {
3537                 /* Set white balance to isp parameters */
3538                 memcpy(&asd->params.css_param.wb_config, config,
3539                        sizeof(asd->params.css_param.wb_config));
3540                 asd->params.config.wb_config = &asd->params.css_param.wb_config;
3541                 asd->params.css_update_params_needed = true;
3542         }
3543
3544         return 0;
3545 }
3546
3547 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
3548                             struct atomisp_3a_config *config)
3549 {
3550         struct atomisp_device *isp = asd->isp;
3551
3552         dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
3553
3554         if (flag == 0) {
3555                 /* Get white balance from current setup */
3556                 if (atomisp_css_get_3a_config(asd, config))
3557                         return -EINVAL;
3558         } else {
3559                 /* Set white balance to isp parameters */
3560                 memcpy(&asd->params.css_param.s3a_config, config,
3561                        sizeof(asd->params.css_param.s3a_config));
3562                 asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
3563                 asd->params.css_update_params_needed = true;
3564         }
3565
3566         dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
3567         return 0;
3568 }
3569
3570 /*
3571  * Function to setup digital zoom
3572  */
3573 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
3574                          __s32 *value)
3575 {
3576         u32 zoom;
3577         struct atomisp_device *isp = asd->isp;
3578
3579         unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
3580
3581         if (flag == 0) {
3582                 atomisp_css_get_zoom_factor(asd, &zoom);
3583                 *value = max_zoom - zoom;
3584         } else {
3585                 if (*value < 0)
3586                         return -EINVAL;
3587
3588                 zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
3589                 atomisp_css_set_zoom_factor(asd, zoom);
3590
3591                 dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
3592                 asd->params.css_update_params_needed = true;
3593         }
3594
3595         return 0;
3596 }
3597
3598 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
3599                                         u16 stream_index, struct atomisp_input_stream_info *stream_info)
3600 {
3601         int i;
3602
3603         /* assign virtual channel id return from sensor driver query */
3604         asd->stream_env[stream_index].ch_id = stream_info->ch_id;
3605         asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
3606         for (i = 0; i < stream_info->isys_configs; i++) {
3607                 asd->stream_env[stream_index].isys_info[i].input_format =
3608                     stream_info->isys_info[i].input_format;
3609                 asd->stream_env[stream_index].isys_info[i].width =
3610                     stream_info->isys_info[i].width;
3611                 asd->stream_env[stream_index].isys_info[i].height =
3612                     stream_info->isys_info[i].height;
3613         }
3614 }
3615
3616 static void __atomisp_init_stream_info(u16 stream_index,
3617                                        struct atomisp_input_stream_info *stream_info)
3618 {
3619         int i;
3620
3621         stream_info->enable = 1;
3622         stream_info->stream = stream_index;
3623         stream_info->ch_id = 0;
3624         stream_info->isys_configs = 0;
3625         for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
3626                 stream_info->isys_info[i].input_format = 0;
3627                 stream_info->isys_info[i].width = 0;
3628                 stream_info->isys_info[i].height = 0;
3629         }
3630 }
3631
3632 static void atomisp_fill_pix_format(struct v4l2_pix_format *f,
3633                                     u32 width, u32 height,
3634                                     const struct atomisp_format_bridge *br_fmt)
3635 {
3636         u32 bytes;
3637
3638         f->width = width;
3639         f->height = height;
3640         f->pixelformat = br_fmt->pixelformat;
3641
3642         /* Adding padding to width for bytesperline calculation */
3643         width = ia_css_frame_pad_width(width, br_fmt->sh_fmt);
3644         bytes = BITS_TO_BYTES(br_fmt->depth * width);
3645
3646         if (br_fmt->planar)
3647                 f->bytesperline = width;
3648         else
3649                 f->bytesperline = bytes;
3650
3651         f->sizeimage = PAGE_ALIGN(height * bytes);
3652
3653         if (f->field == V4L2_FIELD_ANY)
3654                 f->field = V4L2_FIELD_NONE;
3655
3656         /*
3657          * FIXME: do we need to set this up differently, depending on the
3658          * sensor or the pipeline?
3659          */
3660         f->colorspace = V4L2_COLORSPACE_REC709;
3661         f->ycbcr_enc = V4L2_YCBCR_ENC_709;
3662         f->xfer_func = V4L2_XFER_FUNC_709;
3663 }
3664
3665 /* Get sensor padding values for the non padded width x height resolution */
3666 void atomisp_get_padding(struct atomisp_device *isp, u32 width, u32 height,
3667                          u32 *padding_w, u32 *padding_h)
3668 {
3669         struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
3670         struct v4l2_rect native_rect = input->native_rect;
3671         const struct atomisp_in_fmt_conv *fc = NULL;
3672         u32 min_pad_w = ISP2400_MIN_PAD_W;
3673         u32 min_pad_h = ISP2400_MIN_PAD_H;
3674         struct v4l2_mbus_framefmt *sink;
3675
3676         if (!input->crop_support) {
3677                 *padding_w = pad_w;
3678                 *padding_h = pad_h;
3679                 return;
3680         }
3681
3682         width = min(width, input->active_rect.width);
3683         height = min(height, input->active_rect.height);
3684
3685         if (input->binning_support && width <= (input->active_rect.width / 2) &&
3686                                       height <= (input->active_rect.height / 2)) {
3687                 native_rect.width /= 2;
3688                 native_rect.height /= 2;
3689         }
3690
3691         *padding_w = min_t(u32, (native_rect.width - width) & ~1, pad_w);
3692         *padding_h = min_t(u32, (native_rect.height - height) & ~1, pad_h);
3693
3694         /* The below minimum padding requirements are for BYT / ISP2400 only */
3695         if (IS_ISP2401)
3696                 return;
3697
3698         sink = atomisp_subdev_get_ffmt(&isp->asd.subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
3699                                        ATOMISP_SUBDEV_PAD_SINK);
3700         if (sink)
3701                 fc = atomisp_find_in_fmt_conv(sink->code);
3702         if (!fc) {
3703                 dev_warn(isp->dev, "%s: Could not get sensor format\n", __func__);
3704                 goto apply_min_padding;
3705         }
3706
3707         /*
3708          * The ISP only supports GRBG for other bayer-orders additional padding
3709          * is used so that the raw sensor data can be cropped to fix the order.
3710          */
3711         if (fc->bayer_order == IA_CSS_BAYER_ORDER_RGGB ||
3712             fc->bayer_order == IA_CSS_BAYER_ORDER_GBRG)
3713                 min_pad_w += 2;
3714
3715         if (fc->bayer_order == IA_CSS_BAYER_ORDER_BGGR ||
3716             fc->bayer_order == IA_CSS_BAYER_ORDER_GBRG)
3717                 min_pad_h += 2;
3718
3719 apply_min_padding:
3720         *padding_w = max_t(u32, *padding_w, min_pad_w);
3721         *padding_h = max_t(u32, *padding_h, min_pad_h);
3722 }
3723
3724 static int atomisp_set_crop(struct atomisp_device *isp,
3725                             const struct v4l2_mbus_framefmt *format,
3726                             int which)
3727 {
3728         struct atomisp_input_subdev *input = &isp->inputs[isp->asd.input_curr];
3729         struct v4l2_subdev_state pad_state = {
3730                 .pads = &input->pad_cfg,
3731         };
3732         struct v4l2_subdev_selection sel = {
3733                 .which = which,
3734                 .target = V4L2_SEL_TGT_CROP,
3735                 .r.width = format->width,
3736                 .r.height = format->height,
3737         };
3738         int ret;
3739
3740         if (!input->crop_support)
3741                 return 0;
3742
3743         /* Cropping is done before binning, when binning double the crop rect */
3744         if (input->binning_support && sel.r.width <= (input->native_rect.width / 2) &&
3745                                       sel.r.height <= (input->native_rect.height / 2)) {
3746                 sel.r.width *= 2;
3747                 sel.r.height *= 2;
3748         }
3749
3750         /* Clamp to avoid top/left calculations overflowing */
3751         sel.r.width = min(sel.r.width, input->native_rect.width);
3752         sel.r.height = min(sel.r.height, input->native_rect.height);
3753
3754         sel.r.left = ((input->native_rect.width - sel.r.width) / 2) & ~1;
3755         sel.r.top = ((input->native_rect.height - sel.r.height) / 2) & ~1;
3756
3757         ret = v4l2_subdev_call(input->camera, pad, set_selection, &pad_state, &sel);
3758         if (ret)
3759                 dev_err(isp->dev, "Error setting crop to %ux%u @%ux%u: %d\n",
3760                         sel.r.width, sel.r.height, sel.r.left, sel.r.top, ret);
3761
3762         return ret;
3763 }
3764
3765 /* This function looks up the closest available resolution. */
3766 int atomisp_try_fmt(struct atomisp_device *isp, struct v4l2_pix_format *f,
3767                     const struct atomisp_format_bridge **fmt_ret,
3768                     const struct atomisp_format_bridge **snr_fmt_ret)
3769 {
3770         const struct atomisp_format_bridge *fmt, *snr_fmt;
3771         struct atomisp_sub_device *asd = &isp->asd;
3772         struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
3773         struct v4l2_subdev_state pad_state = {
3774                 .pads = &input->pad_cfg,
3775         };
3776         struct v4l2_subdev_format format = {
3777                 .which = V4L2_SUBDEV_FORMAT_TRY,
3778         };
3779         u32 padding_w, padding_h;
3780         int ret;
3781
3782         if (!input->camera)
3783                 return -EINVAL;
3784
3785         fmt = atomisp_get_format_bridge(f->pixelformat);
3786         /* Currently, raw formats are broken!!! */
3787         if (!fmt || fmt->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
3788                 f->pixelformat = V4L2_PIX_FMT_YUV420;
3789
3790                 fmt = atomisp_get_format_bridge(f->pixelformat);
3791                 if (!fmt)
3792                         return -EINVAL;
3793         }
3794
3795         /* The preview pipeline does not support width > 1920 */
3796         if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW)
3797                 f->width = min_t(u32, f->width, 1920);
3798
3799         /*
3800          * atomisp_set_fmt() will set the sensor resolution to the requested
3801          * resolution + padding. Add padding here and remove it again after
3802          * the set_fmt call, like atomisp_set_fmt_to_snr() does.
3803          */
3804         atomisp_get_padding(isp, f->width, f->height, &padding_w, &padding_h);
3805         v4l2_fill_mbus_format(&format.format, f, fmt->mbus_code);
3806         format.format.width += padding_w;
3807         format.format.height += padding_h;
3808
3809         dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
3810                 format.format.width, format.format.height);
3811
3812         ret = atomisp_set_crop(isp, &format.format, V4L2_SUBDEV_FORMAT_TRY);
3813         if (ret)
3814                 return ret;
3815
3816         ret = v4l2_subdev_call(input->camera, pad, set_fmt, &pad_state, &format);
3817         if (ret)
3818                 return ret;
3819
3820         dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
3821                 format.format.width, format.format.height);
3822
3823         snr_fmt = atomisp_get_format_bridge_from_mbus(format.format.code);
3824         if (!snr_fmt) {
3825                 dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
3826                         format.format.code);
3827                 return -EINVAL;
3828         }
3829
3830         f->width = format.format.width - padding_w;
3831         f->height = format.format.height - padding_h;
3832
3833         /*
3834          * If the format is jpeg or custom RAW, then the width and height will
3835          * not satisfy the normal atomisp requirements and no need to check
3836          * the below conditions. So just assign to what is being returned from
3837          * the sensor driver.
3838          */
3839         if (f->pixelformat == V4L2_PIX_FMT_JPEG ||
3840             f->pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW)
3841                 goto out_fill_pix_format;
3842
3843         /* app vs isp */
3844         f->width = rounddown(clamp_t(u32, f->width, ATOM_ISP_MIN_WIDTH,
3845                                      ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
3846         f->height = rounddown(clamp_t(u32, f->height, ATOM_ISP_MIN_HEIGHT,
3847                                       ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
3848
3849 out_fill_pix_format:
3850         atomisp_fill_pix_format(f, f->width, f->height, fmt);
3851
3852         if (fmt_ret)
3853                 *fmt_ret = fmt;
3854
3855         if (snr_fmt_ret)
3856                 *snr_fmt_ret = snr_fmt;
3857
3858         return 0;
3859 }
3860
3861 enum mipi_port_id atomisp_port_to_mipi_port(struct atomisp_device *isp,
3862                                             enum atomisp_camera_port port)
3863 {
3864         switch (port) {
3865         case ATOMISP_CAMERA_PORT_PRIMARY:
3866                 return MIPI_PORT0_ID;
3867         case ATOMISP_CAMERA_PORT_SECONDARY:
3868                 return MIPI_PORT1_ID;
3869         case ATOMISP_CAMERA_PORT_TERTIARY:
3870                 return MIPI_PORT2_ID;
3871         default:
3872                 dev_err(isp->dev, "unsupported port: %d\n", port);
3873                 return MIPI_PORT0_ID;
3874         }
3875 }
3876
3877 static inline int atomisp_set_sensor_mipi_to_isp(
3878     struct atomisp_sub_device *asd,
3879     enum atomisp_input_stream_id stream_id,
3880     struct camera_mipi_info *mipi_info)
3881 {
3882         struct v4l2_control ctrl;
3883         struct atomisp_device *isp = asd->isp;
3884         struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
3885         const struct atomisp_in_fmt_conv *fc;
3886         int mipi_freq = 0;
3887         unsigned int input_format, bayer_order;
3888         enum atomisp_input_format metadata_format = ATOMISP_INPUT_FORMAT_EMBEDDED;
3889         u32 mipi_port, metadata_width = 0, metadata_height = 0;
3890
3891         ctrl.id = V4L2_CID_LINK_FREQ;
3892         if (v4l2_g_ctrl(input->camera->ctrl_handler, &ctrl) == 0)
3893                 mipi_freq = ctrl.value;
3894
3895         if (asd->stream_env[stream_id].isys_configs == 1) {
3896                 input_format =
3897                     asd->stream_env[stream_id].isys_info[0].input_format;
3898                 atomisp_css_isys_set_format(asd, stream_id,
3899                                             input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
3900         } else if (asd->stream_env[stream_id].isys_configs == 2) {
3901                 atomisp_css_isys_two_stream_cfg_update_stream1(
3902                     asd, stream_id,
3903                     asd->stream_env[stream_id].isys_info[0].input_format,
3904                     asd->stream_env[stream_id].isys_info[0].width,
3905                     asd->stream_env[stream_id].isys_info[0].height);
3906
3907                 atomisp_css_isys_two_stream_cfg_update_stream2(
3908                     asd, stream_id,
3909                     asd->stream_env[stream_id].isys_info[1].input_format,
3910                     asd->stream_env[stream_id].isys_info[1].width,
3911                     asd->stream_env[stream_id].isys_info[1].height);
3912         }
3913
3914         /* Compatibility for sensors which provide no media bus code
3915          * in s_mbus_framefmt() nor support pad formats. */
3916         if (mipi_info && mipi_info->input_format != -1) {
3917                 bayer_order = mipi_info->raw_bayer_order;
3918
3919                 /* Input stream config is still needs configured */
3920                 /* TODO: Check if this is necessary */
3921                 fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
3922                          mipi_info->input_format);
3923                 if (!fc)
3924                         return -EINVAL;
3925                 input_format = fc->atomisp_in_fmt;
3926                 metadata_format = mipi_info->metadata_format;
3927                 metadata_width = mipi_info->metadata_width;
3928                 metadata_height = mipi_info->metadata_height;
3929         } else {
3930                 struct v4l2_mbus_framefmt *sink;
3931
3932                 sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
3933                                                V4L2_SUBDEV_FORMAT_ACTIVE,
3934                                                ATOMISP_SUBDEV_PAD_SINK);
3935                 fc = atomisp_find_in_fmt_conv(sink->code);
3936                 if (!fc)
3937                         return -EINVAL;
3938                 input_format = fc->atomisp_in_fmt;
3939                 bayer_order = fc->bayer_order;
3940         }
3941
3942         atomisp_css_input_set_format(asd, stream_id, input_format);
3943         atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
3944
3945         fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(metadata_format);
3946         if (!fc)
3947                 return -EINVAL;
3948
3949         input_format = fc->atomisp_in_fmt;
3950         mipi_port = atomisp_port_to_mipi_port(isp, input->port);
3951         atomisp_css_input_configure_port(asd, mipi_port,
3952                                          isp->sensor_lanes[mipi_port],
3953                                          0xffff4, mipi_freq,
3954                                          input_format,
3955                                          metadata_width, metadata_height);
3956         return 0;
3957 }
3958
3959 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
3960                                   unsigned int width, unsigned int height)
3961 {
3962         return 0;
3963 }
3964
3965 static int configure_output_nop(struct atomisp_sub_device *asd,
3966                                 unsigned int width, unsigned int height,
3967                                 unsigned int min_width,
3968                                 enum ia_css_frame_format sh_fmt)
3969 {
3970         return 0;
3971 }
3972
3973 static int get_frame_info_nop(struct atomisp_sub_device *asd,
3974                               struct ia_css_frame_info *finfo)
3975 {
3976         return 0;
3977 }
3978
3979 /*
3980  * Resets CSS parameters that depend on input resolution.
3981  *
3982  * Update params like CSS RAW binning, 2ppc mode and pp_input
3983  * which depend on input size, but are not automatically
3984  * handled in CSS when the input resolution is changed.
3985  */
3986 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
3987                                         struct v4l2_mbus_framefmt *ffmt)
3988 {
3989         struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
3990         unsigned int i;
3991
3992         dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
3993                 ffmt->width, ffmt->height);
3994
3995         if (IS_ISP2401)
3996                 atomisp_css_input_set_two_pixels_per_clock(asd, false);
3997         else
3998                 atomisp_css_input_set_two_pixels_per_clock(asd, true);
3999
4000         /*
4001          * If sensor input changed, which means metadata resolution changed
4002          * together. Release all metadata buffers here to let it re-allocated
4003          * next time in reqbufs.
4004          */
4005         for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
4006                 list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
4007                                          list) {
4008                         atomisp_css_free_metadata_buffer(md_buf);
4009                         list_del(&md_buf->list);
4010                         kfree(md_buf);
4011                 }
4012         }
4013         return 0;
4014
4015         /*
4016          * TODO: atomisp_css_preview_configure_pp_input() not
4017          *       reset due to CSS bug tracked as PSI BZ 115124
4018          */
4019 }
4020
4021 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
4022                                   struct ia_css_frame_info *output_info,
4023                                   const struct v4l2_pix_format *pix)
4024 {
4025         struct camera_mipi_info *mipi_info;
4026         struct atomisp_device *isp = video_get_drvdata(vdev);
4027         struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4028         struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
4029         const struct atomisp_format_bridge *format;
4030         struct v4l2_rect *isp_sink_crop;
4031         enum ia_css_pipe_id pipe_id;
4032         int (*configure_output)(struct atomisp_sub_device *asd,
4033                                 unsigned int width, unsigned int height,
4034                                 unsigned int min_width,
4035                                 enum ia_css_frame_format sh_fmt) =
4036                                     configure_output_nop;
4037         int (*get_frame_info)(struct atomisp_sub_device *asd,
4038                               struct ia_css_frame_info *finfo) =
4039                                   get_frame_info_nop;
4040         int (*configure_pp_input)(struct atomisp_sub_device *asd,
4041                                   unsigned int width, unsigned int height) =
4042                                       configure_pp_input_nop;
4043         const struct atomisp_in_fmt_conv *fc = NULL;
4044         int ret, i;
4045
4046         isp_sink_crop = atomisp_subdev_get_rect(
4047                             &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4048                             ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
4049
4050         format = atomisp_get_format_bridge(pix->pixelformat);
4051         if (!format)
4052                 return -EINVAL;
4053
4054         if (input->type != TEST_PATTERN) {
4055                 mipi_info = atomisp_to_sensor_mipi_info(input->camera);
4056
4057                 if (atomisp_set_sensor_mipi_to_isp(asd, ATOMISP_INPUT_STREAM_GENERAL,
4058                                                    mipi_info))
4059                         return -EINVAL;
4060
4061                 if (mipi_info)
4062                         fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(mipi_info->input_format);
4063
4064                 if (!fc)
4065                         fc = atomisp_find_in_fmt_conv(
4066                                  atomisp_subdev_get_ffmt(&asd->subdev,
4067                                                          NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
4068                                                          ATOMISP_SUBDEV_PAD_SINK)->code);
4069                 if (!fc)
4070                         return -EINVAL;
4071                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
4072                     raw_output_format_match_input(fc->atomisp_in_fmt,
4073                                                   pix->pixelformat))
4074                         return -EINVAL;
4075         }
4076
4077         /*
4078          * Configure viewfinder also when vfpp is disabled: the
4079          * CSS still requires viewfinder configuration.
4080          */
4081         {
4082                 u32 width, height;
4083
4084                 if (pix->width < 640 || pix->height < 480) {
4085                         width = pix->width;
4086                         height = pix->height;
4087                 } else {
4088                         width = 640;
4089                         height = 480;
4090                 }
4091
4092                 if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
4093                     asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4094                         atomisp_css_video_configure_viewfinder(asd, width, height, 0,
4095                                                                IA_CSS_FRAME_FORMAT_NV12);
4096                 } else if (asd->run_mode->val == ATOMISP_RUN_MODE_STILL_CAPTURE ||
4097                            asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
4098                         atomisp_css_capture_configure_viewfinder(asd, width, height, 0,
4099                                                                  IA_CSS_FRAME_FORMAT_NV12);
4100                 }
4101         }
4102
4103         atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
4104
4105         for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
4106                 asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
4107
4108         /* ISP2401 new input system need to use copy pipe */
4109         if (asd->copy_mode) {
4110                 pipe_id = IA_CSS_PIPE_ID_COPY;
4111                 atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL, false);
4112         } else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
4113                 /* video same in continuouscapture and online modes */
4114                 configure_output = atomisp_css_video_configure_output;
4115                 get_frame_info = atomisp_css_video_get_output_frame_info;
4116                 pipe_id = IA_CSS_PIPE_ID_VIDEO;
4117         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4118                 configure_output = atomisp_css_video_configure_output;
4119                 get_frame_info = atomisp_css_video_get_output_frame_info;
4120                 pipe_id = IA_CSS_PIPE_ID_VIDEO;
4121         } else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
4122                 configure_output = atomisp_css_preview_configure_output;
4123                 get_frame_info = atomisp_css_preview_get_output_frame_info;
4124                 configure_pp_input = atomisp_css_preview_configure_pp_input;
4125                 pipe_id = IA_CSS_PIPE_ID_PREVIEW;
4126         } else {
4127                 if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
4128                         atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
4129                         atomisp_css_enable_dz(asd, false);
4130                 } else {
4131                         atomisp_update_capture_mode(asd);
4132                 }
4133
4134                 /* in case of ANR, force capture pipe to offline mode */
4135                 atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
4136                                                   !asd->params.low_light);
4137
4138                 configure_output = atomisp_css_capture_configure_output;
4139                 get_frame_info = atomisp_css_capture_get_output_frame_info;
4140                 configure_pp_input = atomisp_css_capture_configure_pp_input;
4141                 pipe_id = IA_CSS_PIPE_ID_CAPTURE;
4142
4143                 if (asd->run_mode->val != ATOMISP_RUN_MODE_STILL_CAPTURE) {
4144                         dev_err(isp->dev,
4145                                 "Need to set the running mode first\n");
4146                         asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
4147                 }
4148         }
4149
4150         if (asd->copy_mode)
4151                 ret = atomisp_css_copy_configure_output(asd, ATOMISP_INPUT_STREAM_GENERAL,
4152                                                         pix->width, pix->height,
4153                                                         format->planar ? pix->bytesperline :
4154                                                         pix->bytesperline * 8 / format->depth,
4155                                                         format->sh_fmt);
4156         else
4157                 ret = configure_output(asd, pix->width, pix->height,
4158                                        format->planar ? pix->bytesperline :
4159                                        pix->bytesperline * 8 / format->depth,
4160                                        format->sh_fmt);
4161         if (ret) {
4162                 dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
4163                         pix->width, pix->height, format->sh_fmt);
4164                 return -EINVAL;
4165         }
4166
4167         ret = configure_pp_input(asd, isp_sink_crop->width, isp_sink_crop->height);
4168         if (ret) {
4169                 dev_err(isp->dev, "configure_pp_input %ux%u\n",
4170                         isp_sink_crop->width,
4171                         isp_sink_crop->height);
4172                 return -EINVAL;
4173         }
4174         if (asd->copy_mode)
4175                 ret = atomisp_css_copy_get_output_frame_info(asd,
4176                                                              ATOMISP_INPUT_STREAM_GENERAL,
4177                                                              output_info);
4178         else
4179                 ret = get_frame_info(asd, output_info);
4180         if (ret) {
4181                 dev_err(isp->dev, "__get_frame_info %ux%u (padded to %u) returned %d\n",
4182                         pix->width, pix->height, pix->bytesperline, ret);
4183                 return ret;
4184         }
4185
4186         atomisp_update_grid_info(asd, pipe_id);
4187         return 0;
4188 }
4189
4190 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
4191                                     unsigned int width, unsigned int height,
4192                                     unsigned int *dvs_env_w, unsigned int *dvs_env_h)
4193 {
4194         if (asd->params.video_dis_en &&
4195             asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4196                 /* envelope is 20% of the output resolution */
4197                 /*
4198                  * dvs envelope cannot be round up.
4199                  * it would cause ISP timeout and color switch issue
4200                  */
4201                 *dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
4202                 *dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
4203         }
4204
4205         asd->params.dis_proj_data_valid = false;
4206         asd->params.css_update_params_needed = true;
4207 }
4208
4209 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
4210                                     const struct v4l2_pix_format *f)
4211 {
4212         struct v4l2_mbus_framefmt *sink, *src;
4213
4214         if (!IS_ISP2401) {
4215                 /* Only used for the new input system */
4216                 asd->copy_mode = false;
4217                 return;
4218         }
4219
4220         sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4221                                        V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
4222         src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4223                                       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SOURCE);
4224
4225         if (sink->code == src->code && sink->width == f->width && sink->height == f->height)
4226                 asd->copy_mode = true;
4227         else
4228                 asd->copy_mode = false;
4229
4230         dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
4231 }
4232
4233 static int atomisp_set_fmt_to_snr(struct video_device *vdev, const struct v4l2_pix_format *f,
4234                                   unsigned int dvs_env_w, unsigned int dvs_env_h)
4235 {
4236         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4237         struct atomisp_sub_device *asd = pipe->asd;
4238         struct atomisp_device *isp = asd->isp;
4239         struct atomisp_input_subdev *input = &isp->inputs[asd->input_curr];
4240         const struct atomisp_format_bridge *format;
4241         struct v4l2_subdev_state pad_state = {
4242                 .pads = &input->pad_cfg,
4243         };
4244         struct v4l2_subdev_format vformat = {
4245                 .which = V4L2_SUBDEV_FORMAT_TRY,
4246         };
4247         struct v4l2_mbus_framefmt *ffmt = &vformat.format;
4248         struct v4l2_mbus_framefmt *req_ffmt;
4249         struct atomisp_input_stream_info *stream_info =
4250             (struct atomisp_input_stream_info *)ffmt->reserved;
4251         int ret;
4252
4253         format = atomisp_get_format_bridge(f->pixelformat);
4254         if (!format)
4255                 return -EINVAL;
4256
4257         v4l2_fill_mbus_format(ffmt, f, format->mbus_code);
4258         ffmt->height += asd->sink_pad_padding_h + dvs_env_h;
4259         ffmt->width += asd->sink_pad_padding_w + dvs_env_w;
4260
4261         dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
4262                 ffmt->width, ffmt->height, asd->sink_pad_padding_w, asd->sink_pad_padding_h,
4263                 dvs_env_w, dvs_env_h);
4264
4265         __atomisp_init_stream_info(ATOMISP_INPUT_STREAM_GENERAL, stream_info);
4266
4267         req_ffmt = ffmt;
4268
4269         /* Disable dvs if resolution can't be supported by sensor */
4270         if (asd->params.video_dis_en && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
4271                 ret = atomisp_set_crop(isp, &vformat.format, V4L2_SUBDEV_FORMAT_TRY);
4272                 if (ret)
4273                         return ret;
4274
4275                 vformat.which = V4L2_SUBDEV_FORMAT_TRY;
4276                 ret = v4l2_subdev_call(input->camera, pad, set_fmt, &pad_state, &vformat);
4277                 if (ret)
4278                         return ret;
4279
4280                 dev_dbg(isp->dev, "video dis: sensor width: %d, height: %d\n",
4281                         ffmt->width, ffmt->height);
4282
4283                 if (ffmt->width < req_ffmt->width ||
4284                     ffmt->height < req_ffmt->height) {
4285                         req_ffmt->height -= dvs_env_h;
4286                         req_ffmt->width -= dvs_env_w;
4287                         ffmt = req_ffmt;
4288                         dev_warn(isp->dev,
4289                                  "can not enable video dis due to sensor limitation.");
4290                         asd->params.video_dis_en = false;
4291                 }
4292         }
4293
4294         ret = atomisp_set_crop(isp, &vformat.format, V4L2_SUBDEV_FORMAT_ACTIVE);
4295         if (ret)
4296                 return ret;
4297
4298         vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
4299         ret = v4l2_subdev_call(input->camera, pad, set_fmt, NULL, &vformat);
4300         if (ret)
4301                 return ret;
4302
4303         __atomisp_update_stream_env(asd, ATOMISP_INPUT_STREAM_GENERAL, stream_info);
4304
4305         dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
4306                 ffmt->width, ffmt->height);
4307
4308         if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
4309             ffmt->height < ATOM_ISP_STEP_HEIGHT)
4310                 return -EINVAL;
4311
4312         if (asd->params.video_dis_en && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
4313             (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
4314                 dev_warn(isp->dev,
4315                          "can not enable video dis due to sensor limitation.");
4316                 asd->params.video_dis_en = false;
4317         }
4318
4319         atomisp_subdev_set_ffmt(&asd->subdev, NULL,
4320                                 V4L2_SUBDEV_FORMAT_ACTIVE,
4321                                 ATOMISP_SUBDEV_PAD_SINK, ffmt);
4322
4323         return css_input_resolution_changed(asd, ffmt);
4324 }
4325
4326 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
4327 {
4328         struct atomisp_device *isp = video_get_drvdata(vdev);
4329         struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4330         struct atomisp_sub_device *asd = pipe->asd;
4331         const struct atomisp_format_bridge *format_bridge;
4332         const struct atomisp_format_bridge *snr_format_bridge;
4333         struct ia_css_frame_info output_info;
4334         unsigned int dvs_env_w = 0, dvs_env_h = 0;
4335         struct v4l2_mbus_framefmt isp_source_fmt = {0};
4336         struct v4l2_rect isp_sink_crop;
4337         int ret;
4338
4339         ret = atomisp_pipe_check(pipe, true);
4340         if (ret)
4341                 return ret;
4342
4343         dev_dbg(isp->dev,
4344                 "setting resolution %ux%u bytesperline %u\n",
4345                 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.bytesperline);
4346
4347         /* Ensure that the resolution is equal or below the maximum supported */
4348         ret = atomisp_try_fmt(isp, &f->fmt.pix, &format_bridge, &snr_format_bridge);
4349         if (ret)
4350                 return ret;
4351
4352         pipe->sh_fmt = format_bridge->sh_fmt;
4353         pipe->pix.pixelformat = format_bridge->pixelformat;
4354
4355         atomisp_subdev_get_ffmt(&asd->subdev, NULL,
4356                                 V4L2_SUBDEV_FORMAT_ACTIVE,
4357                                 ATOMISP_SUBDEV_PAD_SINK)->code =
4358                                     snr_format_bridge->mbus_code;
4359
4360         isp_source_fmt.code = format_bridge->mbus_code;
4361         atomisp_subdev_set_ffmt(&asd->subdev, NULL,
4362                                 V4L2_SUBDEV_FORMAT_ACTIVE,
4363                                 ATOMISP_SUBDEV_PAD_SOURCE, &isp_source_fmt);
4364
4365         if (atomisp_subdev_format_conversion(asd)) {
4366                 atomisp_get_padding(isp, f->fmt.pix.width, f->fmt.pix.height,
4367                                     &asd->sink_pad_padding_w, &asd->sink_pad_padding_h);
4368         } else {
4369                 asd->sink_pad_padding_w = 0;
4370                 asd->sink_pad_padding_h = 0;
4371         }
4372
4373         atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
4374                                 &dvs_env_w, &dvs_env_h);
4375
4376         ret = atomisp_set_fmt_to_snr(vdev, &f->fmt.pix, dvs_env_w, dvs_env_h);
4377         if (ret) {
4378                 dev_warn(isp->dev,
4379                          "Set format to sensor failed with %d\n", ret);
4380                 return -EINVAL;
4381         }
4382
4383         atomisp_csi_lane_config(isp);
4384
4385         atomisp_check_copy_mode(asd, &f->fmt.pix);
4386
4387         isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
4388                         V4L2_SUBDEV_FORMAT_ACTIVE,
4389                         ATOMISP_SUBDEV_PAD_SINK,
4390                         V4L2_SEL_TGT_CROP);
4391
4392         /* Try to enable YUV downscaling if ISP input is 10 % (either
4393          * width or height) bigger than the desired result. */
4394         if (!IS_MOFD ||
4395             isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
4396             isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
4397             (atomisp_subdev_format_conversion(asd) &&
4398              (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
4399               asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
4400                 isp_sink_crop.width = f->fmt.pix.width;
4401                 isp_sink_crop.height = f->fmt.pix.height;
4402
4403                 atomisp_subdev_set_selection(&asd->subdev, NULL,
4404                                              V4L2_SUBDEV_FORMAT_ACTIVE,
4405                                              ATOMISP_SUBDEV_PAD_SOURCE, V4L2_SEL_TGT_COMPOSE,
4406                                              0, &isp_sink_crop);
4407         } else {
4408                 struct v4l2_rect main_compose = {0};
4409
4410                 main_compose.width = isp_sink_crop.width;
4411                 main_compose.height =
4412                     DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
4413                                  f->fmt.pix.width);
4414                 if (main_compose.height > isp_sink_crop.height) {
4415                         main_compose.height = isp_sink_crop.height;
4416                         main_compose.width =
4417                             DIV_ROUND_UP(main_compose.height *
4418                                          f->fmt.pix.width,
4419                                          f->fmt.pix.height);
4420                 }
4421
4422                 atomisp_subdev_set_selection(&asd->subdev, NULL,
4423                                              V4L2_SUBDEV_FORMAT_ACTIVE,
4424                                              ATOMISP_SUBDEV_PAD_SOURCE,
4425                                              V4L2_SEL_TGT_COMPOSE, 0,
4426                                              &main_compose);
4427         }
4428
4429         ret = atomisp_set_fmt_to_isp(vdev, &output_info, &f->fmt.pix);
4430         if (ret) {
4431                 dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
4432                 return -EINVAL;
4433         }
4434
4435         atomisp_fill_pix_format(&pipe->pix, f->fmt.pix.width, f->fmt.pix.height, format_bridge);
4436
4437         f->fmt.pix = pipe->pix;
4438         f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
4439                                      pipe->pix.height * 2);
4440
4441         dev_dbg(isp->dev, "%s: %dx%d, image size: %d, %d bytes per line\n",
4442                 __func__,
4443                 f->fmt.pix.width, f->fmt.pix.height,
4444                 f->fmt.pix.sizeimage, f->fmt.pix.bytesperline);
4445
4446         return 0;
4447 }
4448
4449 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
4450                               struct atomisp_shading_table *user_shading_table)
4451 {
4452         struct ia_css_shading_table *shading_table;
4453         struct ia_css_shading_table *free_table;
4454         unsigned int len_table;
4455         int i;
4456         int ret = 0;
4457
4458         if (!user_shading_table)
4459                 return -EINVAL;
4460
4461         if (!user_shading_table->enable) {
4462                 asd->params.config.shading_table = NULL;
4463                 asd->params.sc_en = false;
4464                 return 0;
4465         }
4466
4467         /* If enabling, all tables must be set */
4468         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
4469                 if (!user_shading_table->data[i])
4470                         return -EINVAL;
4471         }
4472
4473         /* Shading table size per color */
4474         if (user_shading_table->width > SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
4475             user_shading_table->height > SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
4476                 return -EINVAL;
4477
4478         shading_table = atomisp_css_shading_table_alloc(
4479                             user_shading_table->width, user_shading_table->height);
4480         if (!shading_table)
4481                 return -ENOMEM;
4482
4483         len_table = user_shading_table->width * user_shading_table->height *
4484                     ATOMISP_SC_TYPE_SIZE;
4485         for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
4486                 ret = copy_from_user(shading_table->data[i],
4487                                      (void __user *)user_shading_table->data[i],
4488                                      len_table);
4489                 if (ret) {
4490                         free_table = shading_table;
4491                         ret = -EFAULT;
4492                         goto out;
4493                 }
4494         }
4495         shading_table->sensor_width = user_shading_table->sensor_width;
4496         shading_table->sensor_height = user_shading_table->sensor_height;
4497         shading_table->fraction_bits = user_shading_table->fraction_bits;
4498
4499         free_table = asd->params.css_param.shading_table;
4500         asd->params.css_param.shading_table = shading_table;
4501         asd->params.config.shading_table = shading_table;
4502         asd->params.sc_en = true;
4503
4504 out:
4505         if (free_table)
4506                 atomisp_css_shading_table_free(free_table);
4507
4508         return ret;
4509 }
4510
4511 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
4512 {
4513         struct atomisp_device *isp = asd->isp;
4514
4515         if (num_frames < 0) {
4516                 dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
4517                         num_frames);
4518                 return -EINVAL;
4519         }
4520         /* a requested flash is still in progress. */
4521         if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
4522                 dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
4523                         __func__, asd->params.flash_state,
4524                         asd->params.num_flash_frames);
4525                 return -EBUSY;
4526         }
4527
4528         asd->params.num_flash_frames = num_frames;
4529         asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
4530         return 0;
4531 }
4532
4533 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
4534 {
4535         struct atomisp_device *isp = asd->isp;
4536
4537         if (!asd->enable_raw_buffer_lock->val) {
4538                 dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
4539                 return -EINVAL;
4540         }
4541         if (!asd->streaming) {
4542                 dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
4543                         __func__, exp_id, asd->streaming);
4544                 return -EINVAL;
4545         }
4546         if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
4547                 dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
4548                 return -EINVAL;
4549         }
4550         return 0;
4551 }
4552
4553 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
4554 {
4555         unsigned long flags;
4556
4557         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4558         memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
4559         asd->raw_buffer_locked_count = 0;
4560         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4561 }
4562
4563 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
4564 {
4565         int *bitmap, bit;
4566         unsigned long flags;
4567         int ret;
4568
4569         if (__checking_exp_id(asd, exp_id))
4570                 return -EINVAL;
4571
4572         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
4573         bit = exp_id % 32;
4574         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4575         ret = ((*bitmap) & (1 << bit));
4576         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4577         return !ret;
4578 }
4579
4580 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
4581 {
4582         int *bitmap, bit;
4583         unsigned long flags;
4584
4585         if (__is_raw_buffer_locked(asd, exp_id))
4586                 return -EINVAL;
4587
4588         bitmap = asd->raw_buffer_bitmap + exp_id / 32;
4589         bit = exp_id % 32;
4590         spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
4591         (*bitmap) &= ~(1 << bit);
4592         asd->raw_buffer_locked_count--;
4593         spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
4594
4595         dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
4596                 __func__, exp_id, asd->raw_buffer_locked_count);
4597         return 0;
4598 }
4599
4600 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
4601 {
4602         struct atomisp_device *isp = asd->isp;
4603         int value = *exp_id;
4604         int ret;
4605
4606         lockdep_assert_held(&isp->mutex);
4607
4608         ret = __is_raw_buffer_locked(asd, value);
4609         if (ret) {
4610                 dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
4611                 return -EINVAL;
4612         }
4613
4614         dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
4615         ret = atomisp_css_exp_id_capture(asd, value);
4616         if (ret) {
4617                 dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
4618                 return -EIO;
4619         }
4620         return 0;
4621 }
4622
4623 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
4624 {
4625         struct atomisp_device *isp = asd->isp;
4626         int value = *exp_id;
4627         int ret;
4628
4629         lockdep_assert_held(&isp->mutex);
4630
4631         ret = __clear_raw_buffer_bitmap(asd, value);
4632         if (ret) {
4633                 dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
4634                 return -EINVAL;
4635         }
4636
4637         dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
4638         ret = atomisp_css_exp_id_unlock(asd, value);
4639         if (ret)
4640                 dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
4641                         __func__, value, ret);
4642
4643         return ret;
4644 }
4645
4646 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
4647                                 unsigned int *enable)
4648 {
4649         bool value;
4650
4651         if (!enable)
4652                 return -EINVAL;
4653
4654         value = *enable > 0;
4655
4656         atomisp_en_dz_capt_pipe(asd, value);
4657
4658         return 0;
4659 }
4660
4661 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
4662 {
4663         if (!event || !asd->streaming)
4664                 return -EINVAL;
4665
4666         lockdep_assert_held(&asd->isp->mutex);
4667
4668         dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
4669                 __func__, *event);
4670
4671         switch (*event) {
4672         case V4L2_EVENT_FRAME_SYNC:
4673                 atomisp_sof_event(asd);
4674                 break;
4675         case V4L2_EVENT_FRAME_END:
4676                 atomisp_eof_event(asd, 0);
4677                 break;
4678         case V4L2_EVENT_ATOMISP_3A_STATS_READY:
4679                 atomisp_3a_stats_ready_event(asd, 0);
4680                 break;
4681         case V4L2_EVENT_ATOMISP_METADATA_READY:
4682                 atomisp_metadata_ready_event(asd, 0);
4683                 break;
4684         default:
4685                 return -EINVAL;
4686         }
4687
4688         return 0;
4689 }