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/kernel.h>
25 #include <linux/kfifo.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/timer.h>
28 
29 #include <asm/iosf_mbi.h>
30 
31 #include <media/v4l2-event.h>
32 #include <media/videobuf-vmalloc.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_acc.h"
45 #include "atomisp_compat.h"
46 #include "atomisp_subdev.h"
47 #include "atomisp_dfs_tables.h"
48 
49 #include <hmm/hmm.h>
50 
51 #include "sh_css_hrt.h"
52 #include "sh_css_defs.h"
53 #include "system_global.h"
54 #include "sh_css_internal.h"
55 #include "sh_css_sp.h"
56 #include "gp_device.h"
57 #include "device_access.h"
58 #include "irq.h"
59 
60 #include "ia_css_types.h"
61 #include "ia_css_stream.h"
62 #include "ia_css_debug.h"
63 #include "bits.h"
64 
65 /* We should never need to run the flash for more than 2 frames.
66  * At 15fps this means 133ms. We set the timeout a bit longer.
67  * Each flash driver is supposed to set its own timeout, but
68  * just in case someone else changed the timeout, we set it
69  * here to make sure we don't damage the flash hardware. */
70 #define FLASH_TIMEOUT 800 /* ms */
71 
72 union host {
73 	struct {
74 		void *kernel_ptr;
75 		void __user *user_ptr;
76 		int size;
77 	} scalar;
78 	struct {
79 		void *hmm_ptr;
80 	} ptr;
81 };
82 
83 /*
84  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
85  * subdev->priv is set in mrst.c
86  */
87 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
88 {
89 	return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
90 }
91 
92 /*
93  * get struct atomisp_video_pipe from v4l2 video_device
94  */
95 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
96 {
97 	return (struct atomisp_video_pipe *)
98 	       container_of(dev, struct atomisp_video_pipe, vdev);
99 }
100 
101 /*
102  * get struct atomisp_acc_pipe from v4l2 video_device
103  */
104 struct atomisp_acc_pipe *atomisp_to_acc_pipe(struct video_device *dev)
105 {
106 	return (struct atomisp_acc_pipe *)
107 	       container_of(dev, struct atomisp_acc_pipe, vdev);
108 }
109 
110 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
111 {
112 	struct v4l2_subdev_frame_interval fi;
113 	struct atomisp_device *isp = asd->isp;
114 
115 	unsigned short fps = 0;
116 	int ret;
117 
118 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
119 			       video, g_frame_interval, &fi);
120 
121 	if (!ret && fi.interval.numerator)
122 		fps = fi.interval.denominator / fi.interval.numerator;
123 
124 	return fps;
125 }
126 
127 /*
128  * DFS progress is shown as follows:
129  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
130  *    mode.
131  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
132  *    with proper rounding.
133  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
134  *    to 200MHz in ISPSSPM1.
135  * 4. Wait for FREQVALID to be cleared by P-Unit.
136  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
137  */
138 static int write_target_freq_to_hw(struct atomisp_device *isp,
139 				   unsigned int new_freq)
140 {
141 	unsigned int ratio, timeout, guar_ratio;
142 	u32 isp_sspm1 = 0;
143 	int i;
144 
145 	if (!isp->hpll_freq) {
146 		dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
147 		return -EINVAL;
148 	}
149 
150 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
151 	if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
152 		dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
153 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
154 			       isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
155 	}
156 
157 	ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
158 	guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
159 
160 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
161 	isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
162 
163 	for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
164 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
165 			       isp_sspm1
166 			       | ratio << ISP_REQ_FREQ_OFFSET
167 			       | 1 << ISP_FREQ_VALID_OFFSET
168 			       | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
169 
170 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
171 		timeout = 20;
172 		while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
173 			iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
174 			dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
175 			udelay(100);
176 			timeout--;
177 		}
178 
179 		if (timeout != 0)
180 			break;
181 	}
182 
183 	if (timeout == 0) {
184 		dev_err(isp->dev, "DFS failed due to HW error.\n");
185 		return -EINVAL;
186 	}
187 
188 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
189 	timeout = 10;
190 	while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
191 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
192 		dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
193 			new_freq);
194 		udelay(100);
195 		timeout--;
196 	}
197 	if (timeout == 0) {
198 		dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
199 		return -EINVAL;
200 	}
201 
202 	return 0;
203 }
204 
205 int atomisp_freq_scaling(struct atomisp_device *isp,
206 			 enum atomisp_dfs_mode mode,
207 			 bool force)
208 {
209 	/* FIXME! Only use subdev[0] status yet */
210 	struct atomisp_sub_device *asd = &isp->asd[0];
211 	const struct atomisp_dfs_config *dfs;
212 	unsigned int new_freq;
213 	struct atomisp_freq_scaling_rule curr_rules;
214 	int i, ret;
215 	unsigned short fps = 0;
216 
217 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP) {
218 		dev_err(isp->dev, "DFS cannot proceed due to no power.\n");
219 		return -EINVAL;
220 	}
221 
222 	if ((isp->pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
223 	    ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
224 		isp->dfs = &dfs_config_cht_soc;
225 
226 	dfs = isp->dfs;
227 
228 	if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
229 	    dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
230 	    !dfs->dfs_table) {
231 		dev_err(isp->dev, "DFS configuration is invalid.\n");
232 		return -EINVAL;
233 	}
234 
235 	if (mode == ATOMISP_DFS_MODE_LOW) {
236 		new_freq = dfs->lowest_freq;
237 		goto done;
238 	}
239 
240 	if (mode == ATOMISP_DFS_MODE_MAX) {
241 		new_freq = dfs->highest_freq;
242 		goto done;
243 	}
244 
245 	fps = atomisp_get_sensor_fps(asd);
246 	if (fps == 0) {
247 		dev_info(isp->dev,
248 			 "Sensor didn't report FPS. Using DFS max mode.\n");
249 		new_freq = dfs->highest_freq;
250 		goto done;
251 	}
252 
253 	curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
254 	curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
255 	curr_rules.fps = fps;
256 	curr_rules.run_mode = asd->run_mode->val;
257 	/*
258 	 * For continuous mode, we need to make the capture setting applied
259 	 * since preview mode, because there is no chance to do this when
260 	 * starting image capture.
261 	 */
262 	if (asd->continuous_mode->val) {
263 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
264 			curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
265 		else
266 			curr_rules.run_mode =
267 			    ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
268 	}
269 
270 	/* search for the target frequency by looping freq rules*/
271 	for (i = 0; i < dfs->dfs_table_size; i++) {
272 		if (curr_rules.width != dfs->dfs_table[i].width &&
273 		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
274 			continue;
275 		if (curr_rules.height != dfs->dfs_table[i].height &&
276 		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
277 			continue;
278 		if (curr_rules.fps != dfs->dfs_table[i].fps &&
279 		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
280 			continue;
281 		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
282 		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
283 			continue;
284 		break;
285 	}
286 
287 	if (i == dfs->dfs_table_size)
288 		new_freq = dfs->max_freq_at_vmin;
289 	else
290 		new_freq = dfs->dfs_table[i].isp_freq;
291 
292 done:
293 	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
294 
295 	if ((new_freq == isp->sw_contex.running_freq) && !force)
296 		return 0;
297 
298 	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
299 
300 	ret = write_target_freq_to_hw(isp, new_freq);
301 	if (!ret) {
302 		isp->sw_contex.running_freq = new_freq;
303 		trace_ipu_pstate(new_freq, -1);
304 	}
305 	return ret;
306 }
307 
308 /*
309  * reset and restore ISP
310  */
311 int atomisp_reset(struct atomisp_device *isp)
312 {
313 	/* Reset ISP by power-cycling it */
314 	int ret = 0;
315 
316 	dev_dbg(isp->dev, "%s\n", __func__);
317 	atomisp_css_suspend(isp);
318 	ret = atomisp_runtime_suspend(isp->dev);
319 	if (ret < 0)
320 		dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
321 	ret = atomisp_mrfld_power_down(isp);
322 	if (ret < 0) {
323 		dev_err(isp->dev, "can not disable ISP power\n");
324 	} else {
325 		ret = atomisp_mrfld_power_up(isp);
326 		if (ret < 0)
327 			dev_err(isp->dev, "can not enable ISP power\n");
328 		ret = atomisp_runtime_resume(isp->dev);
329 		if (ret < 0)
330 			dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
331 	}
332 	ret = atomisp_css_resume(isp);
333 	if (ret)
334 		isp->isp_fatal_error = true;
335 
336 	return ret;
337 }
338 
339 /*
340  * interrupt disable functions
341  */
342 static void disable_isp_irq(enum hrt_isp_css_irq irq)
343 {
344 	irq_disable_channel(IRQ0_ID, irq);
345 
346 	if (irq != hrt_isp_css_irq_sp)
347 		return;
348 
349 	cnd_sp_irq_enable(SP0_ID, false);
350 }
351 
352 /*
353  * interrupt clean function
354  */
355 static void clear_isp_irq(enum hrt_isp_css_irq irq)
356 {
357 	irq_clear_all(IRQ0_ID);
358 }
359 
360 void atomisp_msi_irq_init(struct atomisp_device *isp, struct pci_dev *dev)
361 {
362 	u32 msg32;
363 	u16 msg16;
364 
365 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
366 	msg32 |= 1 << MSI_ENABLE_BIT;
367 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
368 
369 	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
370 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
371 
372 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
373 	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
374 		  PCI_COMMAND_INTX_DISABLE);
375 	pci_write_config_word(dev, PCI_COMMAND, msg16);
376 }
377 
378 void atomisp_msi_irq_uninit(struct atomisp_device *isp, struct pci_dev *dev)
379 {
380 	u32 msg32;
381 	u16 msg16;
382 
383 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
384 	msg32 &=  ~(1 << MSI_ENABLE_BIT);
385 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
386 
387 	msg32 = 0x0;
388 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
389 
390 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
391 	msg16 &= ~(PCI_COMMAND_MASTER);
392 	pci_write_config_word(dev, PCI_COMMAND, msg16);
393 }
394 
395 static void atomisp_sof_event(struct atomisp_sub_device *asd)
396 {
397 	struct v4l2_event event = {0};
398 
399 	event.type = V4L2_EVENT_FRAME_SYNC;
400 	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
401 
402 	v4l2_event_queue(asd->subdev.devnode, &event);
403 }
404 
405 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
406 {
407 	struct v4l2_event event = {0};
408 
409 	event.type = V4L2_EVENT_FRAME_END;
410 	event.u.frame_sync.frame_sequence = exp_id;
411 
412 	v4l2_event_queue(asd->subdev.devnode, &event);
413 }
414 
415 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
416 	uint8_t exp_id)
417 {
418 	struct v4l2_event event = {0};
419 
420 	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
421 	event.u.frame_sync.frame_sequence = exp_id;
422 
423 	v4l2_event_queue(asd->subdev.devnode, &event);
424 }
425 
426 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
427 	enum atomisp_metadata_type md_type)
428 {
429 	struct v4l2_event event = {0};
430 
431 	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
432 	event.u.data[0] = md_type;
433 
434 	v4l2_event_queue(asd->subdev.devnode, &event);
435 }
436 
437 static void atomisp_reset_event(struct atomisp_sub_device *asd)
438 {
439 	struct v4l2_event event = {0};
440 
441 	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
442 
443 	v4l2_event_queue(asd->subdev.devnode, &event);
444 }
445 
446 static void print_csi_rx_errors(enum mipi_port_id port,
447 				struct atomisp_device *isp)
448 {
449 	u32 infos = 0;
450 
451 	atomisp_css_rx_get_irq_info(port, &infos);
452 
453 	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
454 	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
455 		dev_err(isp->dev, "  buffer overrun");
456 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
457 		dev_err(isp->dev, "  start-of-transmission error");
458 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
459 		dev_err(isp->dev, "  start-of-transmission sync error");
460 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
461 		dev_err(isp->dev, "  control error");
462 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
463 		dev_err(isp->dev, "  2 or more ECC errors");
464 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
465 		dev_err(isp->dev, "  CRC mismatch");
466 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
467 		dev_err(isp->dev, "  unknown error");
468 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
469 		dev_err(isp->dev, "  frame sync error");
470 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
471 		dev_err(isp->dev, "  frame data error");
472 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
473 		dev_err(isp->dev, "  data timeout");
474 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
475 		dev_err(isp->dev, "  unknown escape command entry");
476 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
477 		dev_err(isp->dev, "  line sync error");
478 }
479 
480 /* Clear irq reg */
481 static void clear_irq_reg(struct atomisp_device *isp)
482 {
483 	u32 msg_ret;
484 
485 	pci_read_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, &msg_ret);
486 	msg_ret |= 1 << INTR_IIR;
487 	pci_write_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, msg_ret);
488 }
489 
490 static struct atomisp_sub_device *
491 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
492 {
493 	int i;
494 
495 	/* Check which isp subdev to send eof */
496 	for (i = 0; i < isp->num_of_streams; i++) {
497 		struct atomisp_sub_device *asd = &isp->asd[i];
498 		struct camera_mipi_info *mipi_info;
499 
500 		mipi_info = atomisp_to_sensor_mipi_info(
501 				isp->inputs[asd->input_curr].camera);
502 
503 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
504 		    __get_mipi_port(isp, mipi_info->port) == port) {
505 			return asd;
506 		}
507 	}
508 
509 	return NULL;
510 }
511 
512 /* interrupt handling function*/
513 irqreturn_t atomisp_isr(int irq, void *dev)
514 {
515 	struct atomisp_device *isp = (struct atomisp_device *)dev;
516 	struct atomisp_sub_device *asd;
517 	struct atomisp_css_event eof_event;
518 	unsigned int irq_infos = 0;
519 	unsigned long flags;
520 	unsigned int i;
521 	int err;
522 
523 	spin_lock_irqsave(&isp->lock, flags);
524 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
525 	    !isp->css_initialized) {
526 		spin_unlock_irqrestore(&isp->lock, flags);
527 		return IRQ_HANDLED;
528 	}
529 	err = atomisp_css_irq_translate(isp, &irq_infos);
530 	if (err) {
531 		spin_unlock_irqrestore(&isp->lock, flags);
532 		return IRQ_NONE;
533 	}
534 
535 	clear_irq_reg(isp);
536 
537 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp))
538 		goto out_nowake;
539 
540 	for (i = 0; i < isp->num_of_streams; i++) {
541 		asd = &isp->asd[i];
542 
543 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
544 			continue;
545 		/*
546 		 * Current SOF only support one stream, so the SOF only valid
547 		 * either solely one stream is running
548 		 */
549 		if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
550 			atomic_inc(&asd->sof_count);
551 			atomisp_sof_event(asd);
552 
553 			/* If sequence_temp and sequence are the same
554 			 * there where no frames lost so we can increase
555 			 * sequence_temp.
556 			 * If not then processing of frame is still in progress
557 			 * and driver needs to keep old sequence_temp value.
558 			 * NOTE: There is assumption here that ISP will not
559 			 * start processing next frame from sensor before old
560 			 * one is completely done. */
561 			if (atomic_read(&asd->sequence) == atomic_read(
562 				&asd->sequence_temp))
563 				atomic_set(&asd->sequence_temp,
564 					   atomic_read(&asd->sof_count));
565 		}
566 		if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
567 			atomic_set(&asd->sequence,
568 				   atomic_read(&asd->sequence_temp));
569 	}
570 
571 	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
572 		dev_dbg_ratelimited(isp->dev,
573 				    "irq:0x%x (SOF)\n",
574 				    irq_infos);
575 		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
576 	}
577 
578 	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
579 	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
580 		/* handle mipi receiver error */
581 		u32 rx_infos;
582 		enum mipi_port_id port;
583 
584 		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
585 		     port++) {
586 			print_csi_rx_errors(port, isp);
587 			atomisp_css_rx_get_irq_info(port, &rx_infos);
588 			atomisp_css_rx_clear_irq_info(port, rx_infos);
589 		}
590 	}
591 
592 	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
593 		while (ia_css_dequeue_isys_event(&eof_event.event) ==
594 		       0) {
595 			/* EOF Event does not have the css_pipe returned */
596 			asd = __get_asd_from_port(isp, eof_event.event.port);
597 			if (!asd) {
598 				dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
599 					__func__, eof_event.event.type);
600 				continue;
601 			}
602 
603 			atomisp_eof_event(asd, eof_event.event.exp_id);
604 			dev_dbg_ratelimited(isp->dev,
605 					    "%s ISYS event: EOF exp_id %d, asd %d\n",
606 					    __func__, eof_event.event.exp_id,
607 					    asd->index);
608 		}
609 
610 		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
611 		if (irq_infos == 0)
612 			goto out_nowake;
613 	}
614 
615 	spin_unlock_irqrestore(&isp->lock, flags);
616 
617 	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
618 
619 	return IRQ_WAKE_THREAD;
620 
621 out_nowake:
622 	spin_unlock_irqrestore(&isp->lock, flags);
623 
624 	if (irq_infos)
625 		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
626 				    irq_infos);
627 
628 	return IRQ_HANDLED;
629 }
630 
631 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
632 {
633 	int i;
634 
635 	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
636 	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
637 		memset(asd->metadata_bufs_in_css[i], 0,
638 		       sizeof(asd->metadata_bufs_in_css[i]));
639 	asd->dis_bufs_in_css = 0;
640 	asd->video_out_capture.buffers_in_css = 0;
641 	asd->video_out_vf.buffers_in_css = 0;
642 	asd->video_out_preview.buffers_in_css = 0;
643 	asd->video_out_video_capture.buffers_in_css = 0;
644 }
645 
646 /* ISP2400 */
647 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
648 {
649 	return asd->video_out_capture.buffers_in_css ||
650 	       asd->video_out_vf.buffers_in_css ||
651 	       asd->video_out_preview.buffers_in_css ||
652 	       asd->video_out_video_capture.buffers_in_css ?
653 	       true : false;
654 }
655 
656 /* ISP2401 */
657 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
658 {
659 	return pipe->buffers_in_css ? true : false;
660 }
661 
662 /* 0x100000 is the start of dmem inside SP */
663 #define SP_DMEM_BASE	0x100000
664 
665 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
666 		  unsigned int size)
667 {
668 	u32 __iomem *io_virt_addr;
669 	unsigned int data = 0;
670 	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
671 
672 	dev_dbg(isp->dev, "atomisp_io_base:%p\n", atomisp_io_base);
673 	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
674 		addr, size, size32);
675 	if (size32 * 4 + addr > 0x4000) {
676 		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
677 			size32, addr);
678 		return;
679 	}
680 	addr += SP_DMEM_BASE;
681 	io_virt_addr = atomisp_io_base + (addr & 0x003FFFFF);
682 	do {
683 		data = *io_virt_addr;
684 		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
685 		io_virt_addr += sizeof(u32);
686 		size32 -= 1;
687 	} while (size32 > 0);
688 }
689 
690 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
691     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
692 {
693 	struct videobuf_vmalloc_memory *vm_mem;
694 	struct ia_css_frame *handle;
695 	int i;
696 
697 	for (i = 0; pipe->capq.bufs[i]; i++) {
698 		vm_mem = pipe->capq.bufs[i]->priv;
699 		handle = vm_mem->vaddr;
700 		if (handle && handle->data == frame->data)
701 			return pipe->capq.bufs[i];
702 	}
703 
704 	return NULL;
705 }
706 
707 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
708 				     struct atomisp_video_pipe *pipe)
709 {
710 	unsigned long irqflags;
711 	int i;
712 
713 	if (!pipe->users)
714 		return;
715 
716 	for (i = 0; pipe->capq.bufs[i]; i++) {
717 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
718 		if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
719 		    pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
720 			pipe->capq.bufs[i]->ts = ktime_get_ns();
721 			pipe->capq.bufs[i]->field_count =
722 			    atomic_read(&asd->sequence) << 1;
723 			dev_dbg(asd->isp->dev, "release buffers on device %s\n",
724 				pipe->vdev.name);
725 			if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
726 				list_del_init(&pipe->capq.bufs[i]->queue);
727 			pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
728 			wake_up(&pipe->capq.bufs[i]->done);
729 		}
730 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
731 	}
732 }
733 
734 /* Returns queued buffers back to video-core */
735 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
736 {
737 	atomisp_flush_video_pipe(asd, &asd->video_out_capture);
738 	atomisp_flush_video_pipe(asd, &asd->video_out_vf);
739 	atomisp_flush_video_pipe(asd, &asd->video_out_preview);
740 	atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
741 }
742 
743 /* clean out the parameters that did not apply */
744 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
745 {
746 	struct atomisp_css_params_with_list *param;
747 
748 	while (!list_empty(&pipe->per_frame_params)) {
749 		param = list_entry(pipe->per_frame_params.next,
750 				   struct atomisp_css_params_with_list, list);
751 		list_del(&param->list);
752 		atomisp_free_css_parameters(&param->params);
753 		kvfree(param);
754 	}
755 }
756 
757 /* Re-queue per-frame parameters */
758 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
759 {
760 	struct atomisp_css_params_with_list *param;
761 	int i;
762 
763 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
764 		param = pipe->frame_params[i];
765 		if (param)
766 			list_add_tail(&param->list, &pipe->per_frame_params);
767 		pipe->frame_params[i] = NULL;
768 	}
769 	atomisp_handle_parameter_and_buffer(pipe);
770 }
771 
772 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
773 static struct atomisp_video_pipe *__atomisp_get_pipe(
774     struct atomisp_sub_device *asd,
775     enum atomisp_input_stream_id stream_id,
776     enum ia_css_pipe_id css_pipe_id,
777     enum ia_css_buffer_type buf_type)
778 {
779 	struct atomisp_device *isp = asd->isp;
780 
781 	if (css_pipe_id == IA_CSS_PIPE_ID_COPY &&
782 	    isp->inputs[asd->input_curr].camera_caps->
783 	    sensor[asd->sensor_curr].stream_num > 1) {
784 		switch (stream_id) {
785 		case ATOMISP_INPUT_STREAM_PREVIEW:
786 			return &asd->video_out_preview;
787 		case ATOMISP_INPUT_STREAM_POSTVIEW:
788 			return &asd->video_out_vf;
789 		case ATOMISP_INPUT_STREAM_VIDEO:
790 			return &asd->video_out_video_capture;
791 		case ATOMISP_INPUT_STREAM_CAPTURE:
792 		default:
793 			return &asd->video_out_capture;
794 		}
795 	}
796 
797 	/* video is same in online as in continuouscapture mode */
798 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
799 		/*
800 		 * Disable vf_pp and run CSS in still capture mode. In this
801 		 * mode, CSS does not cause extra latency with buffering, but
802 		 * scaling is not available.
803 		 */
804 		return &asd->video_out_capture;
805 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
806 		/*
807 		 * Disable vf_pp and run CSS in video mode. This allows using
808 		 * ISP scaling but it has one frame delay due to CSS internal
809 		 * buffering.
810 		 */
811 		return &asd->video_out_video_capture;
812 	} else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
813 		/*
814 		 * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
815 		 */
816 		if (asd->continuous_mode->val) {
817 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
818 				/* SDV case */
819 				switch (buf_type) {
820 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
821 					return &asd->video_out_video_capture;
822 				case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
823 					return &asd->video_out_preview;
824 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
825 					return &asd->video_out_capture;
826 				default:
827 					return &asd->video_out_vf;
828 				}
829 			} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
830 				/* ZSL case */
831 				switch (buf_type) {
832 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
833 					return &asd->video_out_preview;
834 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
835 					return &asd->video_out_capture;
836 				default:
837 					return &asd->video_out_vf;
838 				}
839 			}
840 		} else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
841 			switch (asd->run_mode->val) {
842 			case ATOMISP_RUN_MODE_VIDEO:
843 				return &asd->video_out_video_capture;
844 			case ATOMISP_RUN_MODE_PREVIEW:
845 				return &asd->video_out_preview;
846 			default:
847 				return &asd->video_out_capture;
848 			}
849 		} else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
850 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
851 				return &asd->video_out_preview;
852 			else
853 				return &asd->video_out_vf;
854 		}
855 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
856 		/* For online video or SDV video pipe. */
857 		if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
858 		    css_pipe_id == IA_CSS_PIPE_ID_COPY) {
859 			if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
860 				return &asd->video_out_video_capture;
861 			return &asd->video_out_preview;
862 		}
863 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
864 		/* For online preview or ZSL preview pipe. */
865 		if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
866 		    css_pipe_id == IA_CSS_PIPE_ID_COPY)
867 			return &asd->video_out_preview;
868 	}
869 	/* For capture pipe. */
870 	if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
871 		return &asd->video_out_vf;
872 	return &asd->video_out_capture;
873 }
874 
875 enum atomisp_metadata_type
876 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
877 			  enum ia_css_pipe_id pipe_id) {
878 	if (!asd->continuous_mode->val)
879 		return ATOMISP_MAIN_METADATA;
880 
881 	if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
882 		return ATOMISP_SEC_METADATA;
883 	else
884 		return ATOMISP_MAIN_METADATA;
885 }
886 
887 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
888 		      enum ia_css_buffer_type buf_type,
889 		      enum ia_css_pipe_id css_pipe_id,
890 		      bool q_buffers, enum atomisp_input_stream_id stream_id)
891 {
892 	struct videobuf_buffer *vb = NULL;
893 	struct atomisp_video_pipe *pipe = NULL;
894 	struct atomisp_css_buffer buffer;
895 	bool requeue = false;
896 	int err;
897 	unsigned long irqflags;
898 	struct ia_css_frame *frame = NULL;
899 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp;
900 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp;
901 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp;
902 	enum atomisp_metadata_type md_type;
903 	struct atomisp_device *isp = asd->isp;
904 	struct v4l2_control ctrl;
905 	bool reset_wdt_timer = false;
906 
907 	if (
908 	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
909 	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
910 	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
911 	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
912 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
913 	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
914 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
915 	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
916 		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
917 			__func__, buf_type);
918 		return;
919 	}
920 
921 	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
922 	buffer.css_buffer.type = buf_type;
923 	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
924 					 buf_type, &buffer);
925 	if (err) {
926 		dev_err(isp->dev,
927 			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
928 		return;
929 	}
930 
931 	/* need to know the atomisp pipe for frame buffers */
932 	pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
933 	if (!pipe) {
934 		dev_err(isp->dev, "error getting atomisp pipe\n");
935 		return;
936 	}
937 
938 	switch (buf_type) {
939 	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
940 		list_for_each_entry_safe(s3a_buf, _s3a_buf_tmp,
941 					 &asd->s3a_stats_in_css, list) {
942 			if (s3a_buf->s3a_data ==
943 			    buffer.css_buffer.data.stats_3a) {
944 				list_del_init(&s3a_buf->list);
945 				list_add_tail(&s3a_buf->list,
946 					      &asd->s3a_stats_ready);
947 				break;
948 			}
949 		}
950 
951 		asd->s3a_bufs_in_css[css_pipe_id]--;
952 		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
953 		dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
954 			__func__, s3a_buf->s3a_data->exp_id);
955 		break;
956 	case IA_CSS_BUFFER_TYPE_METADATA:
957 		if (error)
958 			break;
959 
960 		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
961 		list_for_each_entry_safe(md_buf, _md_buf_tmp,
962 					 &asd->metadata_in_css[md_type], list) {
963 			if (md_buf->metadata ==
964 			    buffer.css_buffer.data.metadata) {
965 				list_del_init(&md_buf->list);
966 				list_add_tail(&md_buf->list,
967 					      &asd->metadata_ready[md_type]);
968 				break;
969 			}
970 		}
971 		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
972 		atomisp_metadata_ready_event(asd, md_type);
973 		dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
974 			__func__, md_buf->metadata->exp_id);
975 		break;
976 	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
977 		list_for_each_entry_safe(dis_buf, _dis_buf_tmp,
978 					 &asd->dis_stats_in_css, list) {
979 			if (dis_buf->dis_data ==
980 			    buffer.css_buffer.data.stats_dvs) {
981 				spin_lock_irqsave(&asd->dis_stats_lock,
982 						  irqflags);
983 				list_del_init(&dis_buf->list);
984 				list_add(&dis_buf->list, &asd->dis_stats);
985 				asd->params.dis_proj_data_valid = true;
986 				spin_unlock_irqrestore(&asd->dis_stats_lock,
987 						       irqflags);
988 				break;
989 			}
990 		}
991 		asd->dis_bufs_in_css--;
992 		dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
993 			__func__, dis_buf->dis_data->exp_id);
994 		break;
995 	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
996 	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
997 		if (IS_ISP2401)
998 			reset_wdt_timer = true;
999 
1000 		pipe->buffers_in_css--;
1001 		frame = buffer.css_buffer.data.frame;
1002 		if (!frame) {
1003 			WARN_ON(1);
1004 			break;
1005 		}
1006 		if (!frame->valid)
1007 			error = true;
1008 
1009 		/* FIXME:
1010 		 * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1011 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1012 		 */
1013 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1014 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1015 			frame->exp_id = (asd->postview_exp_id++) %
1016 					(ATOMISP_MAX_EXP_ID + 1);
1017 
1018 		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1019 			__func__, frame->exp_id);
1020 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1021 			if (frame->flash_state
1022 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1023 				dev_dbg(isp->dev, "%s thumb partially flashed\n",
1024 					__func__);
1025 			else if (frame->flash_state
1026 				 == IA_CSS_FRAME_FLASH_STATE_FULL)
1027 				dev_dbg(isp->dev, "%s thumb completely flashed\n",
1028 					__func__);
1029 			else
1030 				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1031 					__func__);
1032 		}
1033 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1034 		WARN_ON(!vb);
1035 		if (vb)
1036 			pipe->frame_config_id[vb->i] = frame->isp_config_id;
1037 		if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1038 		    asd->pending_capture_request > 0) {
1039 			err = atomisp_css_offline_capture_configure(asd,
1040 				asd->params.offline_parm.num_captures,
1041 				asd->params.offline_parm.skip_frames,
1042 				asd->params.offline_parm.offset);
1043 
1044 			asd->pending_capture_request--;
1045 
1046 			if (IS_ISP2401)
1047 				asd->re_trigger_capture = false;
1048 
1049 			dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1050 				err);
1051 		} else if (IS_ISP2401) {
1052 			asd->re_trigger_capture = true;
1053 		}
1054 		break;
1055 	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1056 	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1057 		if (IS_ISP2401)
1058 			reset_wdt_timer = true;
1059 
1060 		pipe->buffers_in_css--;
1061 		frame = buffer.css_buffer.data.frame;
1062 		if (!frame) {
1063 			WARN_ON(1);
1064 			break;
1065 		}
1066 
1067 		if (!frame->valid)
1068 			error = true;
1069 
1070 		/* FIXME:
1071 		 * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1072 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1073 		 */
1074 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1075 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1076 			frame->exp_id = (asd->preview_exp_id++) %
1077 					(ATOMISP_MAX_EXP_ID + 1);
1078 
1079 		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1080 			__func__, frame->exp_id);
1081 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1082 		if (!vb) {
1083 			WARN_ON(1);
1084 			break;
1085 		}
1086 
1087 		/* free the parameters */
1088 		if (pipe->frame_params[vb->i]) {
1089 			if (asd->params.dvs_6axis ==
1090 			    pipe->frame_params[vb->i]->params.dvs_6axis)
1091 				asd->params.dvs_6axis = NULL;
1092 			atomisp_free_css_parameters(
1093 			    &pipe->frame_params[vb->i]->params);
1094 			kvfree(pipe->frame_params[vb->i]);
1095 			pipe->frame_params[vb->i] = NULL;
1096 		}
1097 
1098 		pipe->frame_config_id[vb->i] = frame->isp_config_id;
1099 		ctrl.id = V4L2_CID_FLASH_MODE;
1100 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1101 			if (frame->flash_state
1102 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1103 				asd->frame_status[vb->i] =
1104 				    ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1105 				dev_dbg(isp->dev, "%s partially flashed\n",
1106 					__func__);
1107 			} else if (frame->flash_state
1108 				   == IA_CSS_FRAME_FLASH_STATE_FULL) {
1109 				asd->frame_status[vb->i] =
1110 				    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1111 				asd->params.num_flash_frames--;
1112 				dev_dbg(isp->dev, "%s completely flashed\n",
1113 					__func__);
1114 			} else {
1115 				asd->frame_status[vb->i] =
1116 				    ATOMISP_FRAME_STATUS_OK;
1117 				dev_dbg(isp->dev,
1118 					"%s no flash in this frame\n",
1119 					__func__);
1120 			}
1121 
1122 			/* Check if flashing sequence is done */
1123 			if (asd->frame_status[vb->i] ==
1124 			    ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1125 				asd->params.flash_state = ATOMISP_FLASH_DONE;
1126 		} else if (isp->flash) {
1127 			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1128 			    0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1129 				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1130 				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1131 				    == 0 && ctrl.value > 0) {
1132 					asd->frame_status[vb->i] =
1133 					    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1134 				} else {
1135 					asd->frame_status[vb->i] =
1136 					    ATOMISP_FRAME_STATUS_OK;
1137 				}
1138 			} else
1139 				asd->frame_status[vb->i] =
1140 				    ATOMISP_FRAME_STATUS_OK;
1141 		} else {
1142 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1143 		}
1144 
1145 		asd->params.last_frame_status = asd->frame_status[vb->i];
1146 
1147 		if (asd->continuous_mode->val) {
1148 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1149 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1150 				asd->latest_preview_exp_id = frame->exp_id;
1151 			} else if (css_pipe_id ==
1152 				   IA_CSS_PIPE_ID_CAPTURE) {
1153 				if (asd->run_mode->val ==
1154 				    ATOMISP_RUN_MODE_VIDEO)
1155 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1156 						frame->exp_id);
1157 				else
1158 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1159 						frame->exp_id);
1160 			}
1161 		}
1162 		/*
1163 		 * Only after enabled the raw buffer lock
1164 		 * and in continuous mode.
1165 		 * in preview/video pipe, each buffer will
1166 		 * be locked automatically, so record it here.
1167 		 */
1168 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1169 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1170 		    asd->enable_raw_buffer_lock->val &&
1171 		    asd->continuous_mode->val) {
1172 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1173 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1174 		}
1175 
1176 		if (asd->params.css_update_params_needed) {
1177 			atomisp_apply_css_parameters(asd,
1178 						     &asd->params.css_param);
1179 			if (asd->params.css_param.update_flag.dz_config)
1180 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1181 			/* New global dvs 6axis config should be blocked
1182 			 * here if there's a buffer with per-frame parameters
1183 			 * pending in CSS frame buffer queue.
1184 			 * This is to aviod zooming vibration since global
1185 			 * parameters take effect immediately while
1186 			 * per-frame parameters are taken after previous
1187 			 * buffers in CSS got processed.
1188 			 */
1189 			if (asd->params.dvs_6axis)
1190 				atomisp_css_set_dvs_6axis(asd,
1191 							  asd->params.dvs_6axis);
1192 			else
1193 				asd->params.css_update_params_needed = false;
1194 			/* The update flag should not be cleaned here
1195 			 * since it is still going to be used to make up
1196 			 * following per-frame parameters.
1197 			 * This will introduce more copy work since each
1198 			 * time when updating global parameters, the whole
1199 			 * parameter set are applied.
1200 			 * FIXME: A new set of parameter copy functions can
1201 			 * be added to make up per-frame parameters based on
1202 			 * solid structures stored in asd->params.css_param
1203 			 * instead of using shadow pointers in update flag.
1204 			 */
1205 			atomisp_css_update_isp_params(asd);
1206 		}
1207 		break;
1208 	default:
1209 		break;
1210 	}
1211 	if (vb)
1212 	{
1213 		vb->ts = ktime_get_ns();
1214 		vb->field_count = atomic_read(&asd->sequence) << 1;
1215 		/*mark videobuffer done for dequeue*/
1216 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1217 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1218 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1219 
1220 		/*
1221 		 * Frame capture done, wake up any process block on
1222 		 * current active buffer
1223 		 * possibly hold by videobuf_dqbuf()
1224 		 */
1225 		wake_up(&vb->done);
1226 	}
1227 	if (IS_ISP2401)
1228 		atomic_set(&pipe->wdt_count, 0);
1229 
1230 	/*
1231 	 * Requeue should only be done for 3a and dis buffers.
1232 	 * Queue/dequeue order will change if driver recycles image buffers.
1233 	 */
1234 	if (requeue)
1235 	{
1236 		err = atomisp_css_queue_buffer(asd,
1237 					       stream_id, css_pipe_id,
1238 					       buf_type, &buffer);
1239 		if (err)
1240 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1241 				__func__, err);
1242 		return;
1243 	}
1244 	if (!error && q_buffers)
1245 		atomisp_qbuffers_to_css(asd);
1246 
1247 	if (IS_ISP2401) {
1248 		/* If there are no buffers queued then
1249 		* delete wdt timer. */
1250 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1251 			return;
1252 		if (!atomisp_buffers_queued_pipe(pipe))
1253 			atomisp_wdt_stop_pipe(pipe, false);
1254 		else if (reset_wdt_timer)
1255 			/* SOF irq should not reset wdt timer. */
1256 			atomisp_wdt_refresh_pipe(pipe,
1257 						ATOMISP_WDT_KEEP_CURRENT_DELAY);
1258 	}
1259 }
1260 
1261 void atomisp_delayed_init_work(struct work_struct *work)
1262 {
1263 	struct atomisp_sub_device *asd = container_of(work,
1264 					 struct atomisp_sub_device,
1265 					 delayed_init_work);
1266 	/*
1267 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1268 	 */
1269 	if (!ATOMISP_USE_YUVPP(asd)) {
1270 		struct v4l2_event event = {0};
1271 		struct ia_css_stream *stream;
1272 
1273 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1274 
1275 
1276 		if (ia_css_alloc_continuous_frame_remain(stream))
1277 			return;
1278 
1279 		ia_css_update_continuous_frames(stream);
1280 
1281 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1282 		v4l2_event_queue(asd->subdev.devnode, &event);
1283 	}
1284 
1285 	/* signal streamon after delayed init is done */
1286 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1287 	complete(&asd->init_done);
1288 }
1289 
1290 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1291 {
1292 	enum ia_css_pipe_id css_pipe_id;
1293 	bool stream_restart[MAX_STREAM_NUM] = {0};
1294 	bool depth_mode = false;
1295 	int i, ret, depth_cnt = 0;
1296 
1297 	if (!isp->sw_contex.file_input)
1298 		atomisp_css_irq_enable(isp,
1299 				       IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1300 
1301 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1302 
1303 	for (i = 0; i < isp->num_of_streams; i++) {
1304 		struct atomisp_sub_device *asd = &isp->asd[i];
1305 		struct ia_css_pipeline *acc_pipeline;
1306 		struct ia_css_pipe *acc_pipe = NULL;
1307 
1308 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1309 		    !asd->stream_prepared)
1310 			continue;
1311 
1312 		/*
1313 		* AtomISP::waitStageUpdate is blocked when WDT happens.
1314 		* By calling acc_done() for all loaded fw_handles,
1315 		* HAL will be unblocked.
1316 		*/
1317 		acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1318 		if (acc_pipe) {
1319 			acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1320 			if (acc_pipeline) {
1321 				struct ia_css_pipeline_stage *stage;
1322 
1323 				for (stage = acc_pipeline->stages; stage;
1324 				     stage = stage->next) {
1325 					const struct ia_css_fw_info *fw;
1326 
1327 					fw = stage->firmware;
1328 					atomisp_acc_done(asd, fw->handle);
1329 				}
1330 			}
1331 		}
1332 
1333 		depth_cnt++;
1334 
1335 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1336 			cancel_work_sync(&asd->delayed_init_work);
1337 
1338 		complete(&asd->init_done);
1339 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1340 
1341 		stream_restart[asd->index] = true;
1342 
1343 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1344 
1345 		/* stream off sensor */
1346 		ret = v4l2_subdev_call(
1347 			  isp->inputs[asd->input_curr].
1348 			  camera, video, s_stream, 0);
1349 		if (ret)
1350 			dev_warn(isp->dev,
1351 				 "can't stop streaming on sensor!\n");
1352 
1353 		atomisp_acc_unload_extensions(asd);
1354 
1355 		atomisp_clear_css_buffer_counters(asd);
1356 
1357 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1358 		atomisp_css_stop(asd, css_pipe_id, true);
1359 
1360 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1361 
1362 		asd->preview_exp_id = 1;
1363 		asd->postview_exp_id = 1;
1364 		/* notify HAL the CSS reset */
1365 		dev_dbg(isp->dev,
1366 			"send reset event to %s\n", asd->subdev.devnode->name);
1367 		atomisp_reset_event(asd);
1368 	}
1369 
1370 	/* clear irq */
1371 	disable_isp_irq(hrt_isp_css_irq_sp);
1372 	clear_isp_irq(hrt_isp_css_irq_sp);
1373 
1374 	/* Set the SRSE to 3 before resetting */
1375 	pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
1376 			       MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1377 
1378 	/* reset ISP and restore its state */
1379 	isp->isp_timeout = true;
1380 	atomisp_reset(isp);
1381 	isp->isp_timeout = false;
1382 
1383 	if (!isp_timeout) {
1384 		for (i = 0; i < isp->num_of_streams; i++) {
1385 			if (isp->asd[i].depth_mode->val)
1386 				return;
1387 		}
1388 	}
1389 
1390 	for (i = 0; i < isp->num_of_streams; i++) {
1391 		struct atomisp_sub_device *asd = &isp->asd[i];
1392 
1393 		if (!stream_restart[i])
1394 			continue;
1395 
1396 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1397 			atomisp_css_input_set_mode(asd,
1398 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1399 
1400 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1401 		if (atomisp_css_start(asd, css_pipe_id, true))
1402 			dev_warn(isp->dev,
1403 				 "start SP failed, so do not set streaming to be enable!\n");
1404 		else
1405 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1406 
1407 		atomisp_csi2_configure(asd);
1408 	}
1409 
1410 	if (!isp->sw_contex.file_input) {
1411 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1412 				       atomisp_css_valid_sof(isp));
1413 
1414 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1415 			dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1416 	} else {
1417 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1418 			dev_dbg(isp->dev, "DFS max failed while recovering!\n");
1419 	}
1420 
1421 	for (i = 0; i < isp->num_of_streams; i++) {
1422 		struct atomisp_sub_device *asd;
1423 
1424 		asd = &isp->asd[i];
1425 
1426 		if (!stream_restart[i])
1427 			continue;
1428 
1429 		if (asd->continuous_mode->val &&
1430 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1431 			reinit_completion(&asd->init_done);
1432 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1433 			queue_work(asd->delayed_init_workq,
1434 				   &asd->delayed_init_work);
1435 		}
1436 		/*
1437 		 * dequeueing buffers is not needed. CSS will recycle
1438 		 * buffers that it has.
1439 		 */
1440 		atomisp_flush_bufs_and_wakeup(asd);
1441 
1442 		/* Requeue unprocessed per-frame parameters. */
1443 		atomisp_recover_params_queue(&asd->video_out_capture);
1444 		atomisp_recover_params_queue(&asd->video_out_preview);
1445 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1446 
1447 		if ((asd->depth_mode->val) &&
1448 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1449 			depth_mode = true;
1450 			continue;
1451 		}
1452 
1453 		ret = v4l2_subdev_call(
1454 			  isp->inputs[asd->input_curr].camera, video,
1455 			  s_stream, 1);
1456 		if (ret)
1457 			dev_warn(isp->dev,
1458 				 "can't start streaming on sensor!\n");
1459 	}
1460 
1461 	if (depth_mode) {
1462 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1463 			dev_warn(isp->dev,
1464 				 "master slave sensor stream on failed!\n");
1465 	}
1466 }
1467 
1468 void atomisp_wdt_work(struct work_struct *work)
1469 {
1470 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1471 				     wdt_work);
1472 	int i;
1473 	unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1474 	bool css_recover = false;
1475 
1476 	rt_mutex_lock(&isp->mutex);
1477 	if (!atomisp_streaming_count(isp)) {
1478 		atomic_set(&isp->wdt_work_queued, 0);
1479 		rt_mutex_unlock(&isp->mutex);
1480 		return;
1481 	}
1482 
1483 	if (!IS_ISP2401) {
1484 		dev_err(isp->dev, "timeout %d of %d\n",
1485 			atomic_read(&isp->wdt_count) + 1,
1486 			ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1487 
1488 		if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1489 			css_recover = true;
1490 	} else {
1491 		css_recover = true;
1492 
1493 		for (i = 0; i < isp->num_of_streams; i++) {
1494 			struct atomisp_sub_device *asd = &isp->asd[i];
1495 
1496 			pipe_wdt_cnt[i][0] +=
1497 			    atomic_read(&asd->video_out_capture.wdt_count);
1498 			pipe_wdt_cnt[i][1] +=
1499 			    atomic_read(&asd->video_out_vf.wdt_count);
1500 			pipe_wdt_cnt[i][2] +=
1501 			    atomic_read(&asd->video_out_preview.wdt_count);
1502 			pipe_wdt_cnt[i][3] +=
1503 			    atomic_read(&asd->video_out_video_capture.wdt_count);
1504 			css_recover =
1505 			    (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1506 			    pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1507 			    pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1508 			    pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1509 			    ? true : false;
1510 			dev_err(isp->dev,
1511 				"pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1512 				asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1513 				pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1514 				ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1515 		}
1516 	}
1517 
1518 	if (css_recover) {
1519 		ia_css_debug_dump_sp_sw_debug_info();
1520 		ia_css_debug_dump_debug_info(__func__);
1521 		for (i = 0; i < isp->num_of_streams; i++) {
1522 			struct atomisp_sub_device *asd = &isp->asd[i];
1523 
1524 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1525 				continue;
1526 			dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1527 				__func__,
1528 				asd->video_out_capture.vdev.name,
1529 				asd->video_out_capture.
1530 				buffers_in_css);
1531 			dev_err(isp->dev,
1532 				"%s, vdev %s buffers in css: %d\n",
1533 				__func__,
1534 				asd->video_out_vf.vdev.name,
1535 				asd->video_out_vf.
1536 				buffers_in_css);
1537 			dev_err(isp->dev,
1538 				"%s, vdev %s buffers in css: %d\n",
1539 				__func__,
1540 				asd->video_out_preview.vdev.name,
1541 				asd->video_out_preview.
1542 				buffers_in_css);
1543 			dev_err(isp->dev,
1544 				"%s, vdev %s buffers in css: %d\n",
1545 				__func__,
1546 				asd->video_out_video_capture.vdev.name,
1547 				asd->video_out_video_capture.
1548 				buffers_in_css);
1549 			dev_err(isp->dev,
1550 				"%s, s3a buffers in css preview pipe:%d\n",
1551 				__func__,
1552 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1553 			dev_err(isp->dev,
1554 				"%s, s3a buffers in css capture pipe:%d\n",
1555 				__func__,
1556 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1557 			dev_err(isp->dev,
1558 				"%s, s3a buffers in css video pipe:%d\n",
1559 				__func__,
1560 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1561 			dev_err(isp->dev,
1562 				"%s, dis buffers in css: %d\n",
1563 				__func__, asd->dis_bufs_in_css);
1564 			dev_err(isp->dev,
1565 				"%s, metadata buffers in css preview pipe:%d\n",
1566 				__func__,
1567 				asd->metadata_bufs_in_css
1568 				[ATOMISP_INPUT_STREAM_GENERAL]
1569 				[IA_CSS_PIPE_ID_PREVIEW]);
1570 			dev_err(isp->dev,
1571 				"%s, metadata buffers in css capture pipe:%d\n",
1572 				__func__,
1573 				asd->metadata_bufs_in_css
1574 				[ATOMISP_INPUT_STREAM_GENERAL]
1575 				[IA_CSS_PIPE_ID_CAPTURE]);
1576 			dev_err(isp->dev,
1577 				"%s, metadata buffers in css video pipe:%d\n",
1578 				__func__,
1579 				asd->metadata_bufs_in_css
1580 				[ATOMISP_INPUT_STREAM_GENERAL]
1581 				[IA_CSS_PIPE_ID_VIDEO]);
1582 			if (asd->enable_raw_buffer_lock->val) {
1583 				unsigned int j;
1584 
1585 				dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1586 					__func__, asd->raw_buffer_locked_count);
1587 				for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1588 					dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1589 						__func__, j,
1590 						asd->raw_buffer_bitmap[j]);
1591 			}
1592 		}
1593 
1594 		/*sh_css_dump_sp_state();*/
1595 		/*sh_css_dump_isp_state();*/
1596 	} else {
1597 		for (i = 0; i < isp->num_of_streams; i++) {
1598 			struct atomisp_sub_device *asd = &isp->asd[i];
1599 
1600 			if (asd->streaming ==
1601 			    ATOMISP_DEVICE_STREAMING_ENABLED) {
1602 				atomisp_clear_css_buffer_counters(asd);
1603 				atomisp_flush_bufs_and_wakeup(asd);
1604 				complete(&asd->init_done);
1605 			}
1606 			if (IS_ISP2401)
1607 				atomisp_wdt_stop(asd, false);
1608 		}
1609 
1610 		if (!IS_ISP2401) {
1611 			atomic_set(&isp->wdt_count, 0);
1612 		} else {
1613 			isp->isp_fatal_error = true;
1614 			atomic_set(&isp->wdt_work_queued, 0);
1615 
1616 			rt_mutex_unlock(&isp->mutex);
1617 			return;
1618 		}
1619 	}
1620 
1621 	__atomisp_css_recover(isp, true);
1622 	if (IS_ISP2401) {
1623 		for (i = 0; i < isp->num_of_streams; i++) {
1624 			struct atomisp_sub_device *asd = &isp->asd[i];
1625 
1626 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1627 				continue;
1628 
1629 			atomisp_wdt_refresh(asd,
1630 					    isp->sw_contex.file_input ?
1631 					    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1632 					    ATOMISP_ISP_TIMEOUT_DURATION);
1633 		}
1634 	}
1635 
1636 	dev_err(isp->dev, "timeout recovery handling done\n");
1637 	atomic_set(&isp->wdt_work_queued, 0);
1638 
1639 	rt_mutex_unlock(&isp->mutex);
1640 }
1641 
1642 void atomisp_css_flush(struct atomisp_device *isp)
1643 {
1644 	int i;
1645 
1646 	if (!atomisp_streaming_count(isp))
1647 		return;
1648 
1649 	/* Disable wdt */
1650 	for (i = 0; i < isp->num_of_streams; i++) {
1651 		struct atomisp_sub_device *asd = &isp->asd[i];
1652 
1653 		atomisp_wdt_stop(asd, true);
1654 	}
1655 
1656 	/* Start recover */
1657 	__atomisp_css_recover(isp, false);
1658 	/* Restore wdt */
1659 	for (i = 0; i < isp->num_of_streams; i++) {
1660 		struct atomisp_sub_device *asd = &isp->asd[i];
1661 
1662 		if (asd->streaming !=
1663 		    ATOMISP_DEVICE_STREAMING_ENABLED)
1664 			continue;
1665 
1666 		atomisp_wdt_refresh(asd,
1667 				    isp->sw_contex.file_input ?
1668 				    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1669 				    ATOMISP_ISP_TIMEOUT_DURATION);
1670 	}
1671 	dev_dbg(isp->dev, "atomisp css flush done\n");
1672 }
1673 
1674 void atomisp_wdt(struct timer_list *t)
1675 {
1676 	struct atomisp_sub_device *asd;
1677 	struct atomisp_device *isp;
1678 
1679 	if (!IS_ISP2401) {
1680 		asd = from_timer(asd, t, wdt);
1681 		isp = asd->isp;
1682 	} else {
1683 		struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1684 
1685 		asd = pipe->asd;
1686 		isp = asd->isp;
1687 
1688 		atomic_inc(&pipe->wdt_count);
1689 		dev_warn(isp->dev,
1690 			"[WARNING]asd %d pipe %s ISP timeout %d!\n",
1691 			asd->index, pipe->vdev.name,
1692 			atomic_read(&pipe->wdt_count));
1693 	}
1694 
1695 	if (atomic_read(&isp->wdt_work_queued)) {
1696 		dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1697 		return;
1698 	}
1699 	atomic_set(&isp->wdt_work_queued, 1);
1700 	queue_work(isp->wdt_work_queue, &isp->wdt_work);
1701 }
1702 
1703 /* ISP2400 */
1704 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1705 {
1706 	atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1707 }
1708 
1709 /* ISP2401 */
1710 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1711 			      unsigned int delay)
1712 {
1713 	unsigned long next;
1714 
1715 	if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1716 		pipe->wdt_duration = delay;
1717 
1718 	next = jiffies + pipe->wdt_duration;
1719 
1720 	/* Override next if it has been pushed beyon the "next" time */
1721 	if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1722 		next = pipe->wdt_expires;
1723 
1724 	pipe->wdt_expires = next;
1725 
1726 	if (atomisp_is_wdt_running(pipe))
1727 		dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1728 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1729 	else
1730 		dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1731 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1732 
1733 	mod_timer(&pipe->wdt, next);
1734 }
1735 
1736 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1737 {
1738 	if (!IS_ISP2401) {
1739 		unsigned long next;
1740 
1741 		if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1742 			asd->wdt_duration = delay;
1743 
1744 		next = jiffies + asd->wdt_duration;
1745 
1746 		/* Override next if it has been pushed beyon the "next" time */
1747 		if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1748 			next = asd->wdt_expires;
1749 
1750 		asd->wdt_expires = next;
1751 
1752 		if (atomisp_is_wdt_running(asd))
1753 			dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1754 				((int)(next - jiffies) * 1000 / HZ));
1755 		else
1756 			dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1757 				((int)(next - jiffies) * 1000 / HZ));
1758 
1759 		mod_timer(&asd->wdt, next);
1760 		atomic_set(&asd->isp->wdt_count, 0);
1761 	} else {
1762 		dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1763 		if (atomisp_is_wdt_running(&asd->video_out_capture))
1764 			atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1765 		if (atomisp_is_wdt_running(&asd->video_out_preview))
1766 			atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1767 		if (atomisp_is_wdt_running(&asd->video_out_vf))
1768 			atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1769 		if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1770 			atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1771 	}
1772 }
1773 
1774 /* ISP2401 */
1775 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1776 {
1777 	if (!atomisp_is_wdt_running(pipe))
1778 		return;
1779 
1780 	dev_dbg(pipe->asd->isp->dev,
1781 		"WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1782 
1783 	if (sync) {
1784 		del_timer_sync(&pipe->wdt);
1785 		cancel_work_sync(&pipe->asd->isp->wdt_work);
1786 	} else {
1787 		del_timer(&pipe->wdt);
1788 	}
1789 }
1790 
1791 /* ISP 2401 */
1792 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1793 {
1794 	atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1795 }
1796 
1797 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1798 {
1799 	dev_dbg(asd->isp->dev, "WDT stop:\n");
1800 
1801 	if (!IS_ISP2401) {
1802 		if (sync) {
1803 			del_timer_sync(&asd->wdt);
1804 			cancel_work_sync(&asd->isp->wdt_work);
1805 		} else {
1806 			del_timer(&asd->wdt);
1807 		}
1808 	} else {
1809 		atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1810 		atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1811 		atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1812 		atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1813 	}
1814 }
1815 
1816 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1817 {
1818 	struct atomisp_device *isp = asd->isp;
1819 	struct v4l2_control ctrl;
1820 
1821 	if (!isp->flash)
1822 		return;
1823 
1824 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1825 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1826 		return;
1827 
1828 	if (asd->params.num_flash_frames) {
1829 		/* make sure the timeout is set before setting flash mode */
1830 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1831 		ctrl.value = FLASH_TIMEOUT;
1832 
1833 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1834 			dev_err(isp->dev, "flash timeout configure failed\n");
1835 			return;
1836 		}
1837 
1838 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1839 
1840 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1841 	} else {
1842 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1843 	}
1844 }
1845 
1846 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1847 {
1848 	struct atomisp_device *isp = isp_ptr;
1849 	unsigned long flags;
1850 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1851 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1852 	unsigned int i;
1853 	struct atomisp_sub_device *asd;
1854 
1855 	dev_dbg(isp->dev, ">%s\n", __func__);
1856 
1857 	spin_lock_irqsave(&isp->lock, flags);
1858 
1859 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1860 		spin_unlock_irqrestore(&isp->lock, flags);
1861 		return IRQ_HANDLED;
1862 	}
1863 
1864 	spin_unlock_irqrestore(&isp->lock, flags);
1865 
1866 	/*
1867 	 * The standard CSS2.0 API tells the following calling sequence of
1868 	 * dequeue ready buffers:
1869 	 * while (ia_css_dequeue_event(...)) {
1870 	 *	switch (event.type) {
1871 	 *	...
1872 	 *	ia_css_pipe_dequeue_buffer()
1873 	 *	}
1874 	 * }
1875 	 * That is, dequeue event and buffer are one after another.
1876 	 *
1877 	 * But the following implementation is to first deuque all the event
1878 	 * to a FIFO, then process the event in the FIFO.
1879 	 * This will not have issue in single stream mode, but it do have some
1880 	 * issue in multiple stream case. The issue is that
1881 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1882 	 * a specific pipe.
1883 	 *
1884 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1885 	 * ia_css_pipe parameter.
1886 	 *
1887 	 * So:
1888 	 * For CSS2.0: we change the way to not dequeue all the event at one
1889 	 * time, instead, dequue one and process one, then another
1890 	 */
1891 	rt_mutex_lock(&isp->mutex);
1892 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1893 		goto out;
1894 
1895 	for (i = 0; i < isp->num_of_streams; i++) {
1896 		asd = &isp->asd[i];
1897 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1898 			continue;
1899 		atomisp_setup_flash(asd);
1900 	}
1901 out:
1902 	rt_mutex_unlock(&isp->mutex);
1903 	for (i = 0; i < isp->num_of_streams; i++) {
1904 		asd = &isp->asd[i];
1905 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1906 		    && css_pipe_done[asd->index]
1907 		    && isp->sw_contex.file_input)
1908 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1909 					 video, s_stream, 1);
1910 		/* FIXME! FIX ACC implementation */
1911 		if (asd->acc.pipeline && css_pipe_done[asd->index])
1912 			atomisp_css_acc_done(asd);
1913 	}
1914 	dev_dbg(isp->dev, "<%s\n", __func__);
1915 
1916 	return IRQ_HANDLED;
1917 }
1918 
1919 /*
1920  * utils for buffer allocation/free
1921  */
1922 
1923 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1924 			   const struct ia_css_frame *frame, u32 *p_pgnr)
1925 {
1926 	if (!frame) {
1927 		dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1928 		return -EINVAL;
1929 	}
1930 
1931 	*p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1932 	return 0;
1933 }
1934 
1935 /*
1936  * Get internal fmt according to V4L2 fmt
1937  */
1938 static enum ia_css_frame_format
1939 v4l2_fmt_to_sh_fmt(u32 fmt) {
1940 	switch (fmt)
1941 	{
1942 	case V4L2_PIX_FMT_YUV420:
1943 				return IA_CSS_FRAME_FORMAT_YUV420;
1944 	case V4L2_PIX_FMT_YVU420:
1945 		return IA_CSS_FRAME_FORMAT_YV12;
1946 	case V4L2_PIX_FMT_YUV422P:
1947 		return IA_CSS_FRAME_FORMAT_YUV422;
1948 	case V4L2_PIX_FMT_YUV444:
1949 		return IA_CSS_FRAME_FORMAT_YUV444;
1950 	case V4L2_PIX_FMT_NV12:
1951 		return IA_CSS_FRAME_FORMAT_NV12;
1952 	case V4L2_PIX_FMT_NV21:
1953 		return IA_CSS_FRAME_FORMAT_NV21;
1954 	case V4L2_PIX_FMT_NV16:
1955 		return IA_CSS_FRAME_FORMAT_NV16;
1956 	case V4L2_PIX_FMT_NV61:
1957 		return IA_CSS_FRAME_FORMAT_NV61;
1958 	case V4L2_PIX_FMT_UYVY:
1959 		return IA_CSS_FRAME_FORMAT_UYVY;
1960 	case V4L2_PIX_FMT_YUYV:
1961 		return IA_CSS_FRAME_FORMAT_YUYV;
1962 	case V4L2_PIX_FMT_RGB24:
1963 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1964 	case V4L2_PIX_FMT_RGB32:
1965 		return IA_CSS_FRAME_FORMAT_RGBA888;
1966 	case V4L2_PIX_FMT_RGB565:
1967 		return IA_CSS_FRAME_FORMAT_RGB565;
1968 	case V4L2_PIX_FMT_JPEG:
1969 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1970 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1971 	case V4L2_PIX_FMT_SBGGR16:
1972 	case V4L2_PIX_FMT_SBGGR10:
1973 	case V4L2_PIX_FMT_SGBRG10:
1974 	case V4L2_PIX_FMT_SGRBG10:
1975 	case V4L2_PIX_FMT_SRGGB10:
1976 	case V4L2_PIX_FMT_SBGGR12:
1977 	case V4L2_PIX_FMT_SGBRG12:
1978 	case V4L2_PIX_FMT_SGRBG12:
1979 	case V4L2_PIX_FMT_SRGGB12:
1980 	case V4L2_PIX_FMT_SBGGR8:
1981 	case V4L2_PIX_FMT_SGBRG8:
1982 	case V4L2_PIX_FMT_SGRBG8:
1983 	case V4L2_PIX_FMT_SRGGB8:
1984 		return IA_CSS_FRAME_FORMAT_RAW;
1985 	default:
1986 		return -EINVAL;
1987 	}
1988 }
1989 
1990 /*
1991  * raw format match between SH format and V4L2 format
1992  */
1993 static int raw_output_format_match_input(u32 input, u32 output)
1994 {
1995 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1996 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1997 	     (output == V4L2_PIX_FMT_SGRBG12) ||
1998 	     (output == V4L2_PIX_FMT_SBGGR12) ||
1999 	     (output == V4L2_PIX_FMT_SGBRG12)))
2000 		return 0;
2001 
2002 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
2003 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
2004 	     (output == V4L2_PIX_FMT_SGRBG10) ||
2005 	     (output == V4L2_PIX_FMT_SBGGR10) ||
2006 	     (output == V4L2_PIX_FMT_SGBRG10)))
2007 		return 0;
2008 
2009 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2010 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
2011 	     (output == V4L2_PIX_FMT_SGRBG8) ||
2012 	     (output == V4L2_PIX_FMT_SBGGR8) ||
2013 	     (output == V4L2_PIX_FMT_SGBRG8)))
2014 		return 0;
2015 
2016 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2017 		return 0;
2018 
2019 	return -EINVAL;
2020 }
2021 
2022 static u32 get_pixel_depth(u32 pixelformat)
2023 {
2024 	switch (pixelformat) {
2025 	case V4L2_PIX_FMT_YUV420:
2026 	case V4L2_PIX_FMT_NV12:
2027 	case V4L2_PIX_FMT_NV21:
2028 	case V4L2_PIX_FMT_YVU420:
2029 		return 12;
2030 	case V4L2_PIX_FMT_YUV422P:
2031 	case V4L2_PIX_FMT_YUYV:
2032 	case V4L2_PIX_FMT_UYVY:
2033 	case V4L2_PIX_FMT_NV16:
2034 	case V4L2_PIX_FMT_NV61:
2035 	case V4L2_PIX_FMT_RGB565:
2036 	case V4L2_PIX_FMT_SBGGR16:
2037 	case V4L2_PIX_FMT_SBGGR12:
2038 	case V4L2_PIX_FMT_SGBRG12:
2039 	case V4L2_PIX_FMT_SGRBG12:
2040 	case V4L2_PIX_FMT_SRGGB12:
2041 	case V4L2_PIX_FMT_SBGGR10:
2042 	case V4L2_PIX_FMT_SGBRG10:
2043 	case V4L2_PIX_FMT_SGRBG10:
2044 	case V4L2_PIX_FMT_SRGGB10:
2045 		return 16;
2046 	case V4L2_PIX_FMT_RGB24:
2047 	case V4L2_PIX_FMT_YUV444:
2048 		return 24;
2049 	case V4L2_PIX_FMT_RGB32:
2050 		return 32;
2051 	case V4L2_PIX_FMT_JPEG:
2052 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2053 	case V4L2_PIX_FMT_SBGGR8:
2054 	case V4L2_PIX_FMT_SGBRG8:
2055 	case V4L2_PIX_FMT_SGRBG8:
2056 	case V4L2_PIX_FMT_SRGGB8:
2057 		return 8;
2058 	default:
2059 		return 8 * 2;	/* raw type now */
2060 	}
2061 }
2062 
2063 bool atomisp_is_mbuscode_raw(uint32_t code)
2064 {
2065 	return code >= 0x3000 && code < 0x4000;
2066 }
2067 
2068 /*
2069  * ISP features control function
2070  */
2071 
2072 /*
2073  * Set ISP capture mode based on current settings
2074  */
2075 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2076 {
2077 	if (asd->params.gdc_cac_en)
2078 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2079 	else if (asd->params.low_light)
2080 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2081 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2082 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2083 	else
2084 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2085 }
2086 
2087 /* ISP2401 */
2088 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2089 			       struct atomisp_s_runmode *runmode)
2090 {
2091 	struct atomisp_device *isp = asd->isp;
2092 	struct v4l2_ctrl *c;
2093 	int ret = 0;
2094 
2095 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2096 		return -EINVAL;
2097 
2098 	mutex_lock(asd->ctrl_handler.lock);
2099 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2100 			   V4L2_CID_RUN_MODE);
2101 
2102 	if (c)
2103 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2104 
2105 	mutex_unlock(asd->ctrl_handler.lock);
2106 	return ret;
2107 }
2108 
2109 /*
2110  * Function to enable/disable lens geometry distortion correction (GDC) and
2111  * chromatic aberration correction (CAC)
2112  */
2113 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2114 		    __s32 *value)
2115 {
2116 	if (flag == 0) {
2117 		*value = asd->params.gdc_cac_en;
2118 		return 0;
2119 	}
2120 
2121 	asd->params.gdc_cac_en = !!*value;
2122 	if (asd->params.gdc_cac_en) {
2123 		asd->params.config.morph_table = asd->params.css_param.morph_table;
2124 	} else {
2125 		asd->params.config.morph_table = NULL;
2126 	}
2127 	asd->params.css_update_params_needed = true;
2128 	atomisp_update_capture_mode(asd);
2129 	return 0;
2130 }
2131 
2132 /*
2133  * Function to enable/disable low light mode including ANR
2134  */
2135 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2136 		      __s32 *value)
2137 {
2138 	if (flag == 0) {
2139 		*value = asd->params.low_light;
2140 		return 0;
2141 	}
2142 
2143 	asd->params.low_light = (*value != 0);
2144 	atomisp_update_capture_mode(asd);
2145 	return 0;
2146 }
2147 
2148 /*
2149  * Function to enable/disable extra noise reduction (XNR) in low light
2150  * condition
2151  */
2152 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2153 		int *xnr_enable)
2154 {
2155 	if (flag == 0) {
2156 		*xnr_enable = asd->params.xnr_en;
2157 		return 0;
2158 	}
2159 
2160 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2161 
2162 	return 0;
2163 }
2164 
2165 /*
2166  * Function to configure bayer noise reduction
2167  */
2168 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2169 	       struct atomisp_nr_config *arg)
2170 {
2171 	if (flag == 0) {
2172 		/* Get nr config from current setup */
2173 		if (atomisp_css_get_nr_config(asd, arg))
2174 			return -EINVAL;
2175 	} else {
2176 		/* Set nr config to isp parameters */
2177 		memcpy(&asd->params.css_param.nr_config, arg,
2178 		       sizeof(struct ia_css_nr_config));
2179 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
2180 		asd->params.css_update_params_needed = true;
2181 	}
2182 	return 0;
2183 }
2184 
2185 /*
2186  * Function to configure temporal noise reduction (TNR)
2187  */
2188 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2189 		struct atomisp_tnr_config *config)
2190 {
2191 	/* Get tnr config from current setup */
2192 	if (flag == 0) {
2193 		/* Get tnr config from current setup */
2194 		if (atomisp_css_get_tnr_config(asd, config))
2195 			return -EINVAL;
2196 	} else {
2197 		/* Set tnr config to isp parameters */
2198 		memcpy(&asd->params.css_param.tnr_config, config,
2199 		       sizeof(struct ia_css_tnr_config));
2200 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2201 		asd->params.css_update_params_needed = true;
2202 	}
2203 
2204 	return 0;
2205 }
2206 
2207 /*
2208  * Function to configure black level compensation
2209  */
2210 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2211 			struct atomisp_ob_config *config)
2212 {
2213 	if (flag == 0) {
2214 		/* Get ob config from current setup */
2215 		if (atomisp_css_get_ob_config(asd, config))
2216 			return -EINVAL;
2217 	} else {
2218 		/* Set ob config to isp parameters */
2219 		memcpy(&asd->params.css_param.ob_config, config,
2220 		       sizeof(struct ia_css_ob_config));
2221 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
2222 		asd->params.css_update_params_needed = true;
2223 	}
2224 
2225 	return 0;
2226 }
2227 
2228 /*
2229  * Function to configure edge enhancement
2230  */
2231 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2232 	       struct atomisp_ee_config *config)
2233 {
2234 	if (flag == 0) {
2235 		/* Get ee config from current setup */
2236 		if (atomisp_css_get_ee_config(asd, config))
2237 			return -EINVAL;
2238 	} else {
2239 		/* Set ee config to isp parameters */
2240 		memcpy(&asd->params.css_param.ee_config, config,
2241 		       sizeof(asd->params.css_param.ee_config));
2242 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
2243 		asd->params.css_update_params_needed = true;
2244 	}
2245 
2246 	return 0;
2247 }
2248 
2249 /*
2250  * Function to update Gamma table for gamma, brightness and contrast config
2251  */
2252 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2253 		  struct atomisp_gamma_table *config)
2254 {
2255 	if (flag == 0) {
2256 		/* Get gamma table from current setup */
2257 		if (atomisp_css_get_gamma_table(asd, config))
2258 			return -EINVAL;
2259 	} else {
2260 		/* Set gamma table to isp parameters */
2261 		memcpy(&asd->params.css_param.gamma_table, config,
2262 		       sizeof(asd->params.css_param.gamma_table));
2263 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2264 	}
2265 
2266 	return 0;
2267 }
2268 
2269 /*
2270  * Function to update Ctc table for Chroma Enhancement
2271  */
2272 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2273 		struct atomisp_ctc_table *config)
2274 {
2275 	if (flag == 0) {
2276 		/* Get ctc table from current setup */
2277 		if (atomisp_css_get_ctc_table(asd, config))
2278 			return -EINVAL;
2279 	} else {
2280 		/* Set ctc table to isp parameters */
2281 		memcpy(&asd->params.css_param.ctc_table, config,
2282 		       sizeof(asd->params.css_param.ctc_table));
2283 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2284 	}
2285 
2286 	return 0;
2287 }
2288 
2289 /*
2290  * Function to update gamma correction parameters
2291  */
2292 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2293 			     struct atomisp_gc_config *config)
2294 {
2295 	if (flag == 0) {
2296 		/* Get gamma correction params from current setup */
2297 		if (atomisp_css_get_gc_config(asd, config))
2298 			return -EINVAL;
2299 	} else {
2300 		/* Set gamma correction params to isp parameters */
2301 		memcpy(&asd->params.css_param.gc_config, config,
2302 		       sizeof(asd->params.css_param.gc_config));
2303 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
2304 		asd->params.css_update_params_needed = true;
2305 	}
2306 
2307 	return 0;
2308 }
2309 
2310 /*
2311  * Function to update narrow gamma flag
2312  */
2313 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2314 		    struct atomisp_formats_config *config)
2315 {
2316 	if (flag == 0) {
2317 		/* Get narrow gamma flag from current setup */
2318 		if (atomisp_css_get_formats_config(asd, config))
2319 			return -EINVAL;
2320 	} else {
2321 		/* Set narrow gamma flag to isp parameters */
2322 		memcpy(&asd->params.css_param.formats_config, config,
2323 		       sizeof(asd->params.css_param.formats_config));
2324 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
2325 	}
2326 
2327 	return 0;
2328 }
2329 
2330 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2331 {
2332 	atomisp_free_css_parameters(&asd->params.css_param);
2333 
2334 	if (asd->raw_output_frame) {
2335 		ia_css_frame_free(asd->raw_output_frame);
2336 		asd->raw_output_frame = NULL;
2337 	}
2338 }
2339 
2340 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2341 				     enum ia_css_pipe_id pipe_id,
2342 				     int source_pad)
2343 {
2344 	struct atomisp_device *isp = asd->isp;
2345 	int err;
2346 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2347 
2348 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2349 		return;
2350 
2351 	/* We must free all buffers because they no longer match
2352 	   the grid size. */
2353 	atomisp_css_free_stat_buffers(asd);
2354 
2355 	err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2356 	if (err) {
2357 		dev_err(isp->dev, "stat_buf allocate error\n");
2358 		goto err;
2359 	}
2360 
2361 	if (atomisp_alloc_3a_output_buf(asd)) {
2362 		/* Failure for 3A buffers does not influence DIS buffers */
2363 		if (asd->params.s3a_output_bytes != 0) {
2364 			/* For SOC sensor happens s3a_output_bytes == 0,
2365 			 * using if condition to exclude false error log */
2366 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2367 		}
2368 		goto err;
2369 	}
2370 
2371 	if (atomisp_alloc_dis_coef_buf(asd)) {
2372 		dev_err(isp->dev,
2373 			"Failed to allocate memory for DIS statistics\n");
2374 		goto err;
2375 	}
2376 
2377 	if (atomisp_alloc_metadata_output_buf(asd)) {
2378 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2379 		goto err;
2380 	}
2381 
2382 	return;
2383 
2384 err:
2385 	atomisp_css_free_stat_buffers(asd);
2386 	return;
2387 }
2388 
2389 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2390 					struct atomisp_grid_info *info)
2391 {
2392 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2393 	       sizeof(struct ia_css_3a_grid_info));
2394 }
2395 
2396 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2397 			 struct atomisp_grid_info *atomgrid)
2398 {
2399 	struct atomisp_grid_info tmp = {0};
2400 
2401 	atomisp_curr_user_grid_info(asd, &tmp);
2402 	return memcmp(atomgrid, &tmp, sizeof(tmp));
2403 }
2404 
2405 /*
2406  * Function to update Gdc table for gdc
2407  */
2408 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2409 			  struct atomisp_morph_table *config)
2410 {
2411 	int ret;
2412 	int i;
2413 	struct atomisp_device *isp = asd->isp;
2414 
2415 	if (flag == 0) {
2416 		/* Get gdc table from current setup */
2417 		struct ia_css_morph_table tab = {0};
2418 
2419 		atomisp_css_get_morph_table(asd, &tab);
2420 
2421 		config->width = tab.width;
2422 		config->height = tab.height;
2423 
2424 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2425 			ret = copy_to_user(config->coordinates_x[i],
2426 					   tab.coordinates_x[i], tab.height *
2427 					   tab.width * sizeof(*tab.coordinates_x[i]));
2428 			if (ret) {
2429 				dev_err(isp->dev,
2430 					"Failed to copy to User for x\n");
2431 				return -EFAULT;
2432 			}
2433 			ret = copy_to_user(config->coordinates_y[i],
2434 					   tab.coordinates_y[i], tab.height *
2435 					   tab.width * sizeof(*tab.coordinates_y[i]));
2436 			if (ret) {
2437 				dev_err(isp->dev,
2438 					"Failed to copy to User for y\n");
2439 				return -EFAULT;
2440 			}
2441 		}
2442 	} else {
2443 		struct ia_css_morph_table *tab =
2444 			    asd->params.css_param.morph_table;
2445 
2446 		/* free first if we have one */
2447 		if (tab) {
2448 			atomisp_css_morph_table_free(tab);
2449 			asd->params.css_param.morph_table = NULL;
2450 		}
2451 
2452 		/* allocate new one */
2453 		tab = atomisp_css_morph_table_allocate(config->width,
2454 						       config->height);
2455 
2456 		if (!tab) {
2457 			dev_err(isp->dev, "out of memory\n");
2458 			return -EINVAL;
2459 		}
2460 
2461 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2462 			ret = copy_from_user(tab->coordinates_x[i],
2463 					     config->coordinates_x[i],
2464 					     config->height * config->width *
2465 					     sizeof(*config->coordinates_x[i]));
2466 			if (ret) {
2467 				dev_err(isp->dev,
2468 					"Failed to copy from User for x, ret %d\n",
2469 					ret);
2470 				atomisp_css_morph_table_free(tab);
2471 				return -EFAULT;
2472 			}
2473 			ret = copy_from_user(tab->coordinates_y[i],
2474 					     config->coordinates_y[i],
2475 					     config->height * config->width *
2476 					     sizeof(*config->coordinates_y[i]));
2477 			if (ret) {
2478 				dev_err(isp->dev,
2479 					"Failed to copy from User for y, ret is %d\n",
2480 					ret);
2481 				atomisp_css_morph_table_free(tab);
2482 				return -EFAULT;
2483 			}
2484 		}
2485 		asd->params.css_param.morph_table = tab;
2486 		if (asd->params.gdc_cac_en)
2487 			asd->params.config.morph_table = tab;
2488 	}
2489 
2490 	return 0;
2491 }
2492 
2493 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2494 		       struct atomisp_macc_config *config)
2495 {
2496 	struct ia_css_macc_table *macc_table;
2497 
2498 	switch (config->color_effect) {
2499 	case V4L2_COLORFX_NONE:
2500 		macc_table = &asd->params.css_param.macc_table;
2501 		break;
2502 	case V4L2_COLORFX_SKY_BLUE:
2503 		macc_table = &blue_macc_table;
2504 		break;
2505 	case V4L2_COLORFX_GRASS_GREEN:
2506 		macc_table = &green_macc_table;
2507 		break;
2508 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2509 		macc_table = &skin_low_macc_table;
2510 		break;
2511 	case V4L2_COLORFX_SKIN_WHITEN:
2512 		macc_table = &skin_medium_macc_table;
2513 		break;
2514 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2515 		macc_table = &skin_high_macc_table;
2516 		break;
2517 	default:
2518 		return -EINVAL;
2519 	}
2520 
2521 	if (flag == 0) {
2522 		/* Get macc table from current setup */
2523 		memcpy(&config->table, macc_table,
2524 		       sizeof(struct ia_css_macc_table));
2525 	} else {
2526 		memcpy(macc_table, &config->table,
2527 		       sizeof(struct ia_css_macc_table));
2528 		if (config->color_effect == asd->params.color_effect)
2529 			asd->params.config.macc_table = macc_table;
2530 	}
2531 
2532 	return 0;
2533 }
2534 
2535 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2536 			   struct atomisp_dis_vector *vector)
2537 {
2538 	atomisp_css_video_set_dis_vector(asd, vector);
2539 
2540 	asd->params.dis_proj_data_valid = false;
2541 	asd->params.css_update_params_needed = true;
2542 	return 0;
2543 }
2544 
2545 /*
2546  * Function to set/get image stablization statistics
2547  */
2548 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2549 			 struct atomisp_dis_statistics *stats)
2550 {
2551 	return atomisp_css_get_dis_stat(asd, stats);
2552 }
2553 
2554 /*
2555  * Function  set camrea_prefiles.xml current sensor pixel array size
2556  */
2557 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2558 			  struct atomisp_resolution  *config)
2559 {
2560 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2561 	if (!config) {
2562 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2563 		return -EINVAL;
2564 	}
2565 
2566 	asd->sensor_array_res.width = config->width;
2567 	asd->sensor_array_res.height = config->height;
2568 	return 0;
2569 }
2570 
2571 /*
2572  * Function to get DVS2 BQ resolution settings
2573  */
2574 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2575 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2576 {
2577 	struct ia_css_pipe_config *pipe_cfg = NULL;
2578 	struct ia_css_stream_config *stream_cfg = NULL;
2579 	struct ia_css_stream_input_config *input_config = NULL;
2580 
2581 	struct ia_css_stream *stream =
2582 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2583 	if (!stream) {
2584 		dev_warn(asd->isp->dev, "stream is not created");
2585 		return -EAGAIN;
2586 	}
2587 
2588 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2589 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2590 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2591 		     .stream_config;
2592 	input_config = &stream_cfg->input_config;
2593 
2594 	if (!bq_res)
2595 		return -EINVAL;
2596 
2597 	/* the GDC output resolution */
2598 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2599 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2600 
2601 	bq_res->envelope_bq.width_bq = 0;
2602 	bq_res->envelope_bq.height_bq = 0;
2603 	/* the GDC input resolution */
2604 	if (!asd->continuous_mode->val) {
2605 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2606 					     pipe_cfg->dvs_envelope.width / 2;
2607 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2608 					      pipe_cfg->dvs_envelope.height / 2;
2609 		/*
2610 		 * Bad pixels caused by spatial filter processing
2611 		 * ISP filter resolution should be given by CSS/FW, but for now
2612 		 * there is not such API to query, and it is fixed value, so
2613 		 * hardcoded here.
2614 		 */
2615 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2616 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2617 		/* spatial filter shift, always 4 pixels */
2618 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2619 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2620 
2621 		if (asd->params.video_dis_en) {
2622 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2623 						       / 2 - bq_res->ispfilter_bq.width_bq;
2624 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2625 							/ 2 - bq_res->ispfilter_bq.height_bq;
2626 		}
2627 	} else {
2628 		unsigned int w_padding;
2629 		unsigned int gdc_effective_input = 0;
2630 
2631 		/* For GDC:
2632 		 * gdc_effective_input = effective_input + envelope
2633 		 *
2634 		 * From the comment and formula in BZ1786,
2635 		 * we see the source_bq should be:
2636 		 * effective_input / bayer_ds_ratio
2637 		 */
2638 		bq_res->source_bq.width_bq =
2639 		    (input_config->effective_res.width *
2640 		     pipe_cfg->bayer_ds_out_res.width /
2641 		     input_config->effective_res.width + 1) / 2;
2642 		bq_res->source_bq.height_bq =
2643 		    (input_config->effective_res.height *
2644 		     pipe_cfg->bayer_ds_out_res.height /
2645 		     input_config->effective_res.height + 1) / 2;
2646 
2647 		if (!asd->params.video_dis_en) {
2648 			/*
2649 			 * We adjust the ispfilter_bq to:
2650 			 * ispfilter_bq = 128/BDS
2651 			 * we still need firmware team to provide an offical
2652 			 * formula for SDV.
2653 			 */
2654 			bq_res->ispfilter_bq.width_bq = 128 *
2655 							pipe_cfg->bayer_ds_out_res.width /
2656 							input_config->effective_res.width / 2;
2657 			bq_res->ispfilter_bq.height_bq = 128 *
2658 							 pipe_cfg->bayer_ds_out_res.width /
2659 							 input_config->effective_res.width / 2;
2660 
2661 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2662 				/* No additional left padding for ISYS2401 */
2663 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2664 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2665 			} else {
2666 				/*
2667 				 * For the w_padding and gdc_shift_bq cacluation
2668 				 * Please see the BZ 1786 and 4358 for more info.
2669 				 * Just test that this formula can work now,
2670 				 * but we still have no offical formula.
2671 				 *
2672 				 * w_padding = ceiling(gdc_effective_input
2673 				 *             /128, 1) * 128 - effective_width
2674 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2675 				 */
2676 				gdc_effective_input =
2677 				    input_config->effective_res.width +
2678 				    pipe_cfg->dvs_envelope.width;
2679 				w_padding = roundup(gdc_effective_input, 128) -
2680 					    input_config->effective_res.width;
2681 				w_padding = w_padding *
2682 					    pipe_cfg->bayer_ds_out_res.width /
2683 					    input_config->effective_res.width + 1;
2684 				w_padding = roundup(w_padding / 2, 1);
2685 
2686 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2687 								+ w_padding;
2688 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2689 			}
2690 		} else {
2691 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2692 
2693 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2694 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2695 
2696 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2697 				/* No additional left padding for ISYS2401 */
2698 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2699 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2700 			} else {
2701 				w_padding =
2702 				    roundup(input_config->effective_res.width, 128) -
2703 				    input_config->effective_res.width;
2704 				if (w_padding < 12)
2705 					w_padding = 12;
2706 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2707 								((w_padding - 12) *
2708 								 pipe_cfg->bayer_ds_out_res.width /
2709 								 input_config->effective_res.width + 1) / 2;
2710 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2711 			}
2712 
2713 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2714 				pipe_cfg->output_info[0].res.width;
2715 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2716 				pipe_cfg->output_info[0].res.height;
2717 			dvs_w_max = rounddown(
2718 					pipe_cfg->output_info[0].res.width / 5,
2719 					ATOM_ISP_STEP_WIDTH);
2720 			dvs_h_max = rounddown(
2721 					pipe_cfg->output_info[0].res.height / 5,
2722 					ATOM_ISP_STEP_HEIGHT);
2723 			bq_res->envelope_bq.width_bq =
2724 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2725 			    bq_res->ispfilter_bq.width_bq;
2726 			bq_res->envelope_bq.height_bq =
2727 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2728 			    bq_res->ispfilter_bq.height_bq;
2729 		}
2730 	}
2731 
2732 	dev_dbg(asd->isp->dev,
2733 		"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",
2734 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2735 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2736 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2737 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2738 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2739 
2740 	return 0;
2741 }
2742 
2743 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2744 			  struct atomisp_dis_coefficients *coefs)
2745 {
2746 	return atomisp_css_set_dis_coefs(asd, coefs);
2747 }
2748 
2749 /*
2750  * Function to set/get 3A stat from isp
2751  */
2752 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2753 		    struct atomisp_3a_statistics *config)
2754 {
2755 	struct atomisp_device *isp = asd->isp;
2756 	struct atomisp_s3a_buf *s3a_buf;
2757 	unsigned long ret;
2758 
2759 	if (flag != 0)
2760 		return -EINVAL;
2761 
2762 	/* sanity check to avoid writing into unallocated memory. */
2763 	if (asd->params.s3a_output_bytes == 0)
2764 		return -EINVAL;
2765 
2766 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2767 		/* If the grid info in the argument differs from the current
2768 		   grid info, we tell the caller to reset the grid size and
2769 		   try again. */
2770 		return -EAGAIN;
2771 	}
2772 
2773 	if (list_empty(&asd->s3a_stats_ready)) {
2774 		dev_err(isp->dev, "3a statistics is not valid.\n");
2775 		return -EAGAIN;
2776 	}
2777 
2778 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2779 			     struct atomisp_s3a_buf, list);
2780 	if (s3a_buf->s3a_map)
2781 		ia_css_translate_3a_statistics(
2782 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2783 	else
2784 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2785 					 s3a_buf->s3a_data);
2786 
2787 	config->exp_id = s3a_buf->s3a_data->exp_id;
2788 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2789 
2790 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2791 			   asd->params.s3a_output_bytes);
2792 	if (ret) {
2793 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2794 			ret);
2795 		return -EFAULT;
2796 	}
2797 
2798 	/* Move to free buffer list */
2799 	list_del_init(&s3a_buf->list);
2800 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2801 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2802 		__func__,
2803 		config->exp_id, config->isp_config_id);
2804 	return 0;
2805 }
2806 
2807 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2808 			 struct atomisp_metadata *md)
2809 {
2810 	struct atomisp_device *isp = asd->isp;
2811 	struct ia_css_stream_config *stream_config;
2812 	struct ia_css_stream_info *stream_info;
2813 	struct camera_mipi_info *mipi_info;
2814 	struct atomisp_metadata_buf *md_buf;
2815 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2816 	int ret, i;
2817 
2818 	if (flag != 0)
2819 		return -EINVAL;
2820 
2821 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2822 			stream_config;
2823 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2824 		      stream_info;
2825 
2826 	/* We always return the resolution and stride even if there is
2827 	 * no valid metadata. This allows the caller to get the information
2828 	 * needed to allocate user-space buffers. */
2829 	md->width  = stream_info->metadata_info.resolution.width;
2830 	md->height = stream_info->metadata_info.resolution.height;
2831 	md->stride = stream_info->metadata_info.stride;
2832 
2833 	/* sanity check to avoid writing into unallocated memory.
2834 	 * This does not return an error because it is a valid way
2835 	 * for applications to detect that metadata is not enabled. */
2836 	if (md->width == 0 || md->height == 0 || !md->data)
2837 		return 0;
2838 
2839 	/* This is done in the atomisp_buf_done() */
2840 	if (list_empty(&asd->metadata_ready[md_type])) {
2841 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2842 		return -EAGAIN;
2843 	}
2844 
2845 	mipi_info = atomisp_to_sensor_mipi_info(
2846 			isp->inputs[asd->input_curr].camera);
2847 	if (!mipi_info)
2848 		return -EINVAL;
2849 
2850 	if (mipi_info->metadata_effective_width) {
2851 		for (i = 0; i < md->height; i++)
2852 			md->effective_width[i] =
2853 			    mipi_info->metadata_effective_width[i];
2854 	}
2855 
2856 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2857 			    struct atomisp_metadata_buf, list);
2858 	md->exp_id = md_buf->metadata->exp_id;
2859 	if (md_buf->md_vptr) {
2860 		ret = copy_to_user(md->data,
2861 				   md_buf->md_vptr,
2862 				   stream_info->metadata_info.size);
2863 	} else {
2864 		hmm_load(md_buf->metadata->address,
2865 			 asd->params.metadata_user[md_type],
2866 			 stream_info->metadata_info.size);
2867 
2868 		ret = copy_to_user(md->data,
2869 				   asd->params.metadata_user[md_type],
2870 				   stream_info->metadata_info.size);
2871 	}
2872 	if (ret) {
2873 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2874 			ret);
2875 		return -EFAULT;
2876 	}
2877 
2878 	list_del_init(&md_buf->list);
2879 	list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2880 
2881 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2882 		__func__, md_type, md->exp_id);
2883 	return 0;
2884 }
2885 
2886 int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
2887 				 struct atomisp_metadata_with_type *md)
2888 {
2889 	struct atomisp_device *isp = asd->isp;
2890 	struct ia_css_stream_config *stream_config;
2891 	struct ia_css_stream_info *stream_info;
2892 	struct camera_mipi_info *mipi_info;
2893 	struct atomisp_metadata_buf *md_buf;
2894 	enum atomisp_metadata_type md_type;
2895 	int ret, i;
2896 
2897 	if (flag != 0)
2898 		return -EINVAL;
2899 
2900 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2901 			stream_config;
2902 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2903 		      stream_info;
2904 
2905 	/* We always return the resolution and stride even if there is
2906 	 * no valid metadata. This allows the caller to get the information
2907 	 * needed to allocate user-space buffers. */
2908 	md->width  = stream_info->metadata_info.resolution.width;
2909 	md->height = stream_info->metadata_info.resolution.height;
2910 	md->stride = stream_info->metadata_info.stride;
2911 
2912 	/* sanity check to avoid writing into unallocated memory.
2913 	 * This does not return an error because it is a valid way
2914 	 * for applications to detect that metadata is not enabled. */
2915 	if (md->width == 0 || md->height == 0 || !md->data)
2916 		return 0;
2917 
2918 	md_type = md->type;
2919 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2920 		return -EINVAL;
2921 
2922 	/* This is done in the atomisp_buf_done() */
2923 	if (list_empty(&asd->metadata_ready[md_type])) {
2924 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2925 		return -EAGAIN;
2926 	}
2927 
2928 	mipi_info = atomisp_to_sensor_mipi_info(
2929 			isp->inputs[asd->input_curr].camera);
2930 	if (!mipi_info)
2931 		return -EINVAL;
2932 
2933 	if (mipi_info->metadata_effective_width) {
2934 		for (i = 0; i < md->height; i++)
2935 			md->effective_width[i] =
2936 			    mipi_info->metadata_effective_width[i];
2937 	}
2938 
2939 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2940 			    struct atomisp_metadata_buf, list);
2941 	md->exp_id = md_buf->metadata->exp_id;
2942 	if (md_buf->md_vptr) {
2943 		ret = copy_to_user(md->data,
2944 				   md_buf->md_vptr,
2945 				   stream_info->metadata_info.size);
2946 	} else {
2947 		hmm_load(md_buf->metadata->address,
2948 			 asd->params.metadata_user[md_type],
2949 			 stream_info->metadata_info.size);
2950 
2951 		ret = copy_to_user(md->data,
2952 				   asd->params.metadata_user[md_type],
2953 				   stream_info->metadata_info.size);
2954 	}
2955 	if (ret) {
2956 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2957 			ret);
2958 		return -EFAULT;
2959 	} else {
2960 		list_del_init(&md_buf->list);
2961 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2962 	}
2963 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2964 		__func__, md_type, md->exp_id);
2965 	return 0;
2966 }
2967 
2968 /*
2969  * Function to calculate real zoom region for every pipe
2970  */
2971 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2972 				       struct ia_css_dz_config   *dz_config,
2973 				       enum ia_css_pipe_id css_pipe_id)
2974 
2975 {
2976 	struct atomisp_stream_env *stream_env =
2977 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2978 	struct atomisp_resolution  eff_res, out_res;
2979 	int w_offset, h_offset;
2980 
2981 	memset(&eff_res, 0, sizeof(eff_res));
2982 	memset(&out_res, 0, sizeof(out_res));
2983 
2984 	if (dz_config->dx || dz_config->dy)
2985 		return 0;
2986 
2987 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2988 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2989 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2990 			, __func__);
2991 		return -EINVAL;
2992 	}
2993 
2994 	eff_res.width =
2995 	    stream_env->stream_config.input_config.effective_res.width;
2996 	eff_res.height =
2997 	    stream_env->stream_config.input_config.effective_res.height;
2998 	if (eff_res.width == 0 || eff_res.height == 0) {
2999 		dev_err(asd->isp->dev, "%s err effective resolution"
3000 			, __func__);
3001 		return -EINVAL;
3002 	}
3003 
3004 	if (dz_config->zoom_region.resolution.width
3005 	    == asd->sensor_array_res.width
3006 	    || dz_config->zoom_region.resolution.height
3007 	    == asd->sensor_array_res.height) {
3008 		/*no need crop region*/
3009 		dz_config->zoom_region.origin.x = 0;
3010 		dz_config->zoom_region.origin.y = 0;
3011 		dz_config->zoom_region.resolution.width = eff_res.width;
3012 		dz_config->zoom_region.resolution.height = eff_res.height;
3013 		return 0;
3014 	}
3015 
3016 	/* FIXME:
3017 	 * This is not the correct implementation with Google's definition, due
3018 	 * to firmware limitation.
3019 	 * map real crop region base on above calculating base max crop region.
3020 	 */
3021 
3022 	if (!IS_ISP2401) {
3023 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3024 						  * eff_res.width
3025 						  / asd->sensor_array_res.width;
3026 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3027 						  * eff_res.height
3028 						  / asd->sensor_array_res.height;
3029 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3030 							  * eff_res.width
3031 							  / asd->sensor_array_res.width;
3032 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3033 							  * eff_res.height
3034 							  / asd->sensor_array_res.height;
3035 		/*
3036 		 * Set same ratio of crop region resolution and current pipe output
3037 		 * resolution
3038 		 */
3039 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3040 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3041 		if (out_res.width == 0 || out_res.height == 0) {
3042 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3043 				, __func__);
3044 			return -EINVAL;
3045 		}
3046 	} else {
3047 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3048 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3049 		if (out_res.width == 0 || out_res.height == 0) {
3050 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3051 				, __func__);
3052 			return -EINVAL;
3053 		}
3054 
3055 		if (asd->sensor_array_res.width * out_res.height
3056 		    < out_res.width * asd->sensor_array_res.height) {
3057 			h_offset = asd->sensor_array_res.height
3058 				   - asd->sensor_array_res.width
3059 				   * out_res.height / out_res.width;
3060 			h_offset = h_offset / 2;
3061 			if (dz_config->zoom_region.origin.y < h_offset)
3062 				dz_config->zoom_region.origin.y = 0;
3063 			else
3064 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3065 			w_offset = 0;
3066 		} else {
3067 			w_offset = asd->sensor_array_res.width
3068 				   - asd->sensor_array_res.height
3069 				   * out_res.width / out_res.height;
3070 			w_offset = w_offset / 2;
3071 			if (dz_config->zoom_region.origin.x < w_offset)
3072 				dz_config->zoom_region.origin.x = 0;
3073 			else
3074 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3075 			h_offset = 0;
3076 		}
3077 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3078 						  * eff_res.width
3079 						  / (asd->sensor_array_res.width - 2 * w_offset);
3080 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3081 						  * eff_res.height
3082 						  / (asd->sensor_array_res.height - 2 * h_offset);
3083 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3084 						  * eff_res.width
3085 						  / (asd->sensor_array_res.width - 2 * w_offset);
3086 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3087 						  * eff_res.height
3088 						  / (asd->sensor_array_res.height - 2 * h_offset);
3089 	}
3090 
3091 	if (out_res.width * dz_config->zoom_region.resolution.height
3092 	    > dz_config->zoom_region.resolution.width * out_res.height) {
3093 		dz_config->zoom_region.resolution.height =
3094 		    dz_config->zoom_region.resolution.width
3095 		    * out_res.height / out_res.width;
3096 	} else {
3097 		dz_config->zoom_region.resolution.width =
3098 		    dz_config->zoom_region.resolution.height
3099 		    * out_res.width / out_res.height;
3100 	}
3101 	dev_dbg(asd->isp->dev,
3102 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3103 		__func__, dz_config->zoom_region.origin.x,
3104 		dz_config->zoom_region.origin.y,
3105 		dz_config->zoom_region.resolution.width,
3106 		dz_config->zoom_region.resolution.height,
3107 		eff_res.width, eff_res.height,
3108 		asd->sensor_array_res.width,
3109 		asd->sensor_array_res.height,
3110 		out_res.width, out_res.height);
3111 
3112 	if ((dz_config->zoom_region.origin.x +
3113 	     dz_config->zoom_region.resolution.width
3114 	     > eff_res.width) ||
3115 	    (dz_config->zoom_region.origin.y +
3116 	     dz_config->zoom_region.resolution.height
3117 	     > eff_res.height))
3118 		return -EINVAL;
3119 
3120 	return 0;
3121 }
3122 
3123 /*
3124  * Function to check the zoom region whether is effective
3125  */
3126 static bool atomisp_check_zoom_region(
3127     struct atomisp_sub_device *asd,
3128     struct ia_css_dz_config *dz_config)
3129 {
3130 	struct atomisp_resolution  config;
3131 	bool flag = false;
3132 	unsigned int w, h;
3133 
3134 	memset(&config, 0, sizeof(struct atomisp_resolution));
3135 
3136 	if (dz_config->dx && dz_config->dy)
3137 		return true;
3138 
3139 	config.width = asd->sensor_array_res.width;
3140 	config.height = asd->sensor_array_res.height;
3141 	w = dz_config->zoom_region.origin.x +
3142 	    dz_config->zoom_region.resolution.width;
3143 	h = dz_config->zoom_region.origin.y +
3144 	    dz_config->zoom_region.resolution.height;
3145 
3146 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3147 		flag = true;
3148 	else
3149 		/* setting error zoom region */
3150 		dev_err(asd->isp->dev,
3151 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3152 			__func__, dz_config->zoom_region.origin.x,
3153 			dz_config->zoom_region.origin.y,
3154 			dz_config->zoom_region.resolution.width,
3155 			dz_config->zoom_region.resolution.height,
3156 			config.width, config.height);
3157 
3158 	return flag;
3159 }
3160 
3161 void atomisp_apply_css_parameters(
3162     struct atomisp_sub_device *asd,
3163     struct atomisp_css_params *css_param)
3164 {
3165 	if (css_param->update_flag.wb_config)
3166 		asd->params.config.wb_config = &css_param->wb_config;
3167 
3168 	if (css_param->update_flag.ob_config)
3169 		asd->params.config.ob_config = &css_param->ob_config;
3170 
3171 	if (css_param->update_flag.dp_config)
3172 		asd->params.config.dp_config = &css_param->dp_config;
3173 
3174 	if (css_param->update_flag.nr_config)
3175 		asd->params.config.nr_config = &css_param->nr_config;
3176 
3177 	if (css_param->update_flag.ee_config)
3178 		asd->params.config.ee_config = &css_param->ee_config;
3179 
3180 	if (css_param->update_flag.tnr_config)
3181 		asd->params.config.tnr_config = &css_param->tnr_config;
3182 
3183 	if (css_param->update_flag.a3a_config)
3184 		asd->params.config.s3a_config = &css_param->s3a_config;
3185 
3186 	if (css_param->update_flag.ctc_config)
3187 		asd->params.config.ctc_config = &css_param->ctc_config;
3188 
3189 	if (css_param->update_flag.cnr_config)
3190 		asd->params.config.cnr_config = &css_param->cnr_config;
3191 
3192 	if (css_param->update_flag.ecd_config)
3193 		asd->params.config.ecd_config = &css_param->ecd_config;
3194 
3195 	if (css_param->update_flag.ynr_config)
3196 		asd->params.config.ynr_config = &css_param->ynr_config;
3197 
3198 	if (css_param->update_flag.fc_config)
3199 		asd->params.config.fc_config = &css_param->fc_config;
3200 
3201 	if (css_param->update_flag.macc_config)
3202 		asd->params.config.macc_config = &css_param->macc_config;
3203 
3204 	if (css_param->update_flag.aa_config)
3205 		asd->params.config.aa_config = &css_param->aa_config;
3206 
3207 	if (css_param->update_flag.anr_config)
3208 		asd->params.config.anr_config = &css_param->anr_config;
3209 
3210 	if (css_param->update_flag.xnr_config)
3211 		asd->params.config.xnr_config = &css_param->xnr_config;
3212 
3213 	if (css_param->update_flag.yuv2rgb_cc_config)
3214 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3215 
3216 	if (css_param->update_flag.rgb2yuv_cc_config)
3217 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3218 
3219 	if (css_param->update_flag.macc_table)
3220 		asd->params.config.macc_table = &css_param->macc_table;
3221 
3222 	if (css_param->update_flag.xnr_table)
3223 		asd->params.config.xnr_table = &css_param->xnr_table;
3224 
3225 	if (css_param->update_flag.r_gamma_table)
3226 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3227 
3228 	if (css_param->update_flag.g_gamma_table)
3229 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3230 
3231 	if (css_param->update_flag.b_gamma_table)
3232 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3233 
3234 	if (css_param->update_flag.anr_thres)
3235 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3236 
3237 	if (css_param->update_flag.shading_table)
3238 		asd->params.config.shading_table = css_param->shading_table;
3239 
3240 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3241 		asd->params.config.morph_table = css_param->morph_table;
3242 
3243 	if (css_param->update_flag.dvs2_coefs) {
3244 		struct ia_css_dvs_grid_info *dvs_grid_info =
3245 		    atomisp_css_get_dvs_grid_info(
3246 			&asd->params.curr_grid_info);
3247 
3248 		if (dvs_grid_info && dvs_grid_info->enable)
3249 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3250 	}
3251 
3252 	if (css_param->update_flag.dvs_6axis_config)
3253 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3254 
3255 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3256 	/*
3257 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3258 	 * so do not handle them. see comments of ia_css_isp_config.
3259 	 * 1 cc_config
3260 	 * 2 ce_config
3261 	 * 3 de_config
3262 	 * 4 gc_config
3263 	 * 5 gamma_table
3264 	 * 6 ctc_table
3265 	 * 7 dvs_coefs
3266 	 */
3267 }
3268 
3269 static unsigned int long copy_from_compatible(void *to, const void *from,
3270 	unsigned long n, bool from_user)
3271 {
3272 	if (from_user)
3273 		return copy_from_user(to, (void __user *)from, n);
3274 	else
3275 		memcpy(to, from, n);
3276 	return 0;
3277 }
3278 
3279 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3280 				      struct atomisp_parameters *arg,
3281 				      struct atomisp_css_params *css_param,
3282 				      bool from_user)
3283 {
3284 	struct atomisp_parameters *cur_config = &css_param->update_flag;
3285 
3286 	if (!arg || !asd || !css_param)
3287 		return -EINVAL;
3288 
3289 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3290 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3291 					 sizeof(struct ia_css_wb_config),
3292 					 from_user))
3293 			return -EFAULT;
3294 		css_param->update_flag.wb_config =
3295 		    (struct atomisp_wb_config *)&css_param->wb_config;
3296 	}
3297 
3298 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3299 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3300 					 sizeof(struct ia_css_ob_config),
3301 					 from_user))
3302 			return -EFAULT;
3303 		css_param->update_flag.ob_config =
3304 		    (struct atomisp_ob_config *)&css_param->ob_config;
3305 	}
3306 
3307 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3308 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3309 					 sizeof(struct ia_css_dp_config),
3310 					 from_user))
3311 			return -EFAULT;
3312 		css_param->update_flag.dp_config =
3313 		    (struct atomisp_dp_config *)&css_param->dp_config;
3314 	}
3315 
3316 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3317 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3318 			if (copy_from_compatible(&css_param->dz_config,
3319 						 arg->dz_config,
3320 						 sizeof(struct ia_css_dz_config),
3321 						 from_user))
3322 				return -EFAULT;
3323 			if (!atomisp_check_zoom_region(asd,
3324 						       &css_param->dz_config)) {
3325 				dev_err(asd->isp->dev, "crop region error!");
3326 				return -EINVAL;
3327 			}
3328 			css_param->update_flag.dz_config =
3329 			    (struct atomisp_dz_config *)
3330 			    &css_param->dz_config;
3331 		}
3332 	}
3333 
3334 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3335 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3336 					 sizeof(struct ia_css_nr_config),
3337 					 from_user))
3338 			return -EFAULT;
3339 		css_param->update_flag.nr_config =
3340 		    (struct atomisp_nr_config *)&css_param->nr_config;
3341 	}
3342 
3343 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3344 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3345 					 sizeof(struct ia_css_ee_config),
3346 					 from_user))
3347 			return -EFAULT;
3348 		css_param->update_flag.ee_config =
3349 		    (struct atomisp_ee_config *)&css_param->ee_config;
3350 	}
3351 
3352 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3353 		if (copy_from_compatible(&css_param->tnr_config,
3354 					 arg->tnr_config,
3355 					 sizeof(struct ia_css_tnr_config),
3356 					 from_user))
3357 			return -EFAULT;
3358 		css_param->update_flag.tnr_config =
3359 		    (struct atomisp_tnr_config *)
3360 		    &css_param->tnr_config;
3361 	}
3362 
3363 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3364 		if (copy_from_compatible(&css_param->s3a_config,
3365 					 arg->a3a_config,
3366 					 sizeof(struct ia_css_3a_config),
3367 					 from_user))
3368 			return -EFAULT;
3369 		css_param->update_flag.a3a_config =
3370 		    (struct atomisp_3a_config *)&css_param->s3a_config;
3371 	}
3372 
3373 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3374 		if (copy_from_compatible(&css_param->ctc_config,
3375 					 arg->ctc_config,
3376 					 sizeof(struct ia_css_ctc_config),
3377 					 from_user))
3378 			return -EFAULT;
3379 		css_param->update_flag.ctc_config =
3380 		    (struct atomisp_ctc_config *)
3381 		    &css_param->ctc_config;
3382 	}
3383 
3384 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3385 		if (copy_from_compatible(&css_param->cnr_config,
3386 					 arg->cnr_config,
3387 					 sizeof(struct ia_css_cnr_config),
3388 					 from_user))
3389 			return -EFAULT;
3390 		css_param->update_flag.cnr_config =
3391 		    (struct atomisp_cnr_config *)
3392 		    &css_param->cnr_config;
3393 	}
3394 
3395 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3396 		if (copy_from_compatible(&css_param->ecd_config,
3397 					 arg->ecd_config,
3398 					 sizeof(struct ia_css_ecd_config),
3399 					 from_user))
3400 			return -EFAULT;
3401 		css_param->update_flag.ecd_config =
3402 		    (struct atomisp_ecd_config *)
3403 		    &css_param->ecd_config;
3404 	}
3405 
3406 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3407 		if (copy_from_compatible(&css_param->ynr_config,
3408 					 arg->ynr_config,
3409 					 sizeof(struct ia_css_ynr_config),
3410 					 from_user))
3411 			return -EFAULT;
3412 		css_param->update_flag.ynr_config =
3413 		    (struct atomisp_ynr_config *)
3414 		    &css_param->ynr_config;
3415 	}
3416 
3417 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3418 		if (copy_from_compatible(&css_param->fc_config,
3419 					 arg->fc_config,
3420 					 sizeof(struct ia_css_fc_config),
3421 					 from_user))
3422 			return -EFAULT;
3423 		css_param->update_flag.fc_config =
3424 		    (struct atomisp_fc_config *)&css_param->fc_config;
3425 	}
3426 
3427 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3428 		if (copy_from_compatible(&css_param->macc_config,
3429 					 arg->macc_config,
3430 					 sizeof(struct ia_css_macc_config),
3431 					 from_user))
3432 			return -EFAULT;
3433 		css_param->update_flag.macc_config =
3434 		    (struct atomisp_macc_config *)
3435 		    &css_param->macc_config;
3436 	}
3437 
3438 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3439 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3440 					 sizeof(struct ia_css_aa_config),
3441 					 from_user))
3442 			return -EFAULT;
3443 		css_param->update_flag.aa_config =
3444 		    (struct atomisp_aa_config *)&css_param->aa_config;
3445 	}
3446 
3447 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3448 		if (copy_from_compatible(&css_param->anr_config,
3449 					 arg->anr_config,
3450 					 sizeof(struct ia_css_anr_config),
3451 					 from_user))
3452 			return -EFAULT;
3453 		css_param->update_flag.anr_config =
3454 		    (struct atomisp_anr_config *)
3455 		    &css_param->anr_config;
3456 	}
3457 
3458 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3459 		if (copy_from_compatible(&css_param->xnr_config,
3460 					 arg->xnr_config,
3461 					 sizeof(struct ia_css_xnr_config),
3462 					 from_user))
3463 			return -EFAULT;
3464 		css_param->update_flag.xnr_config =
3465 		    (struct atomisp_xnr_config *)
3466 		    &css_param->xnr_config;
3467 	}
3468 
3469 	if (arg->yuv2rgb_cc_config &&
3470 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3471 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3472 					 arg->yuv2rgb_cc_config,
3473 					 sizeof(struct ia_css_cc_config),
3474 					 from_user))
3475 			return -EFAULT;
3476 		css_param->update_flag.yuv2rgb_cc_config =
3477 		    (struct atomisp_cc_config *)
3478 		    &css_param->yuv2rgb_cc_config;
3479 	}
3480 
3481 	if (arg->rgb2yuv_cc_config &&
3482 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3483 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3484 					 arg->rgb2yuv_cc_config,
3485 					 sizeof(struct ia_css_cc_config),
3486 					 from_user))
3487 			return -EFAULT;
3488 		css_param->update_flag.rgb2yuv_cc_config =
3489 		    (struct atomisp_cc_config *)
3490 		    &css_param->rgb2yuv_cc_config;
3491 	}
3492 
3493 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3494 		if (copy_from_compatible(&css_param->macc_table,
3495 					 arg->macc_table,
3496 					 sizeof(struct ia_css_macc_table),
3497 					 from_user))
3498 			return -EFAULT;
3499 		css_param->update_flag.macc_table =
3500 		    (struct atomisp_macc_table *)
3501 		    &css_param->macc_table;
3502 	}
3503 
3504 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3505 		if (copy_from_compatible(&css_param->xnr_table,
3506 					 arg->xnr_table,
3507 					 sizeof(struct ia_css_xnr_table),
3508 					 from_user))
3509 			return -EFAULT;
3510 		css_param->update_flag.xnr_table =
3511 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3512 	}
3513 
3514 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3515 		if (copy_from_compatible(&css_param->r_gamma_table,
3516 					 arg->r_gamma_table,
3517 					 sizeof(struct ia_css_rgb_gamma_table),
3518 					 from_user))
3519 			return -EFAULT;
3520 		css_param->update_flag.r_gamma_table =
3521 		    (struct atomisp_rgb_gamma_table *)
3522 		    &css_param->r_gamma_table;
3523 	}
3524 
3525 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3526 		if (copy_from_compatible(&css_param->g_gamma_table,
3527 					 arg->g_gamma_table,
3528 					 sizeof(struct ia_css_rgb_gamma_table),
3529 					 from_user))
3530 			return -EFAULT;
3531 		css_param->update_flag.g_gamma_table =
3532 		    (struct atomisp_rgb_gamma_table *)
3533 		    &css_param->g_gamma_table;
3534 	}
3535 
3536 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3537 		if (copy_from_compatible(&css_param->b_gamma_table,
3538 					 arg->b_gamma_table,
3539 					 sizeof(struct ia_css_rgb_gamma_table),
3540 					 from_user))
3541 			return -EFAULT;
3542 		css_param->update_flag.b_gamma_table =
3543 		    (struct atomisp_rgb_gamma_table *)
3544 		    &css_param->b_gamma_table;
3545 	}
3546 
3547 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3548 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3549 					 sizeof(struct ia_css_anr_thres),
3550 					 from_user))
3551 			return -EFAULT;
3552 		css_param->update_flag.anr_thres =
3553 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3554 	}
3555 
3556 	if (from_user)
3557 		css_param->isp_config_id = arg->isp_config_id;
3558 	/*
3559 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3560 	 * so do not handle them. see comments of ia_css_isp_config.
3561 	 * 1 cc_config
3562 	 * 2 ce_config
3563 	 * 3 de_config
3564 	 * 4 gc_config
3565 	 * 5 gamma_table
3566 	 * 6 ctc_table
3567 	 * 7 dvs_coefs
3568 	 */
3569 	return 0;
3570 }
3571 
3572 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3573 			 struct atomisp_shading_table *source_st,
3574 			 struct atomisp_css_params *css_param,
3575 			 bool from_user)
3576 {
3577 	unsigned int i;
3578 	unsigned int len_table;
3579 	struct ia_css_shading_table *shading_table;
3580 	struct ia_css_shading_table *old_table;
3581 	struct atomisp_shading_table *st, dest_st;
3582 
3583 	if (!source_st)
3584 		return 0;
3585 
3586 	if (!css_param)
3587 		return -EINVAL;
3588 
3589 	if (!from_user && css_param->update_flag.shading_table)
3590 		return 0;
3591 
3592 	if (IS_ISP2401) {
3593 		if (copy_from_compatible(&dest_st, source_st,
3594 					sizeof(struct atomisp_shading_table),
3595 					from_user)) {
3596 			dev_err(asd->isp->dev, "copy shading table failed!");
3597 			return -EFAULT;
3598 		}
3599 		st = &dest_st;
3600 	} else {
3601 		st = source_st;
3602 	}
3603 
3604 	old_table = css_param->shading_table;
3605 
3606 	/* user config is to disable the shading table. */
3607 	if (!st->enable) {
3608 		/* Generate a minimum table with enable = 0. */
3609 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3610 		if (!shading_table)
3611 			return -ENOMEM;
3612 		shading_table->enable = 0;
3613 		goto set_lsc;
3614 	}
3615 
3616 	/* Setting a new table. Validate first - all tables must be set */
3617 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3618 		if (!st->data[i]) {
3619 			dev_err(asd->isp->dev, "shading table validate failed");
3620 			return -EINVAL;
3621 		}
3622 	}
3623 
3624 	/* Shading table size per color */
3625 	if (!IS_ISP2401) {
3626 		if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3627 		    st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3628 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3629 			return -EINVAL;
3630 		}
3631 	} else {
3632 		if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3633 		    st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3634 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3635 			return -EINVAL;
3636 		}
3637 	}
3638 
3639 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3640 	if (!shading_table)
3641 		return -ENOMEM;
3642 
3643 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3644 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3645 		if (copy_from_compatible(shading_table->data[i],
3646 					 st->data[i], len_table, from_user)) {
3647 			atomisp_css_shading_table_free(shading_table);
3648 			return -EFAULT;
3649 		}
3650 	}
3651 	shading_table->sensor_width = st->sensor_width;
3652 	shading_table->sensor_height = st->sensor_height;
3653 	shading_table->fraction_bits = st->fraction_bits;
3654 	shading_table->enable = st->enable;
3655 
3656 	/* No need to update shading table if it is the same */
3657 	if (old_table &&
3658 	    old_table->sensor_width == shading_table->sensor_width &&
3659 	    old_table->sensor_height == shading_table->sensor_height &&
3660 	    old_table->width == shading_table->width &&
3661 	    old_table->height == shading_table->height &&
3662 	    old_table->fraction_bits == shading_table->fraction_bits &&
3663 	    old_table->enable == shading_table->enable) {
3664 		bool data_is_same = true;
3665 
3666 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3667 			if (memcmp(shading_table->data[i], old_table->data[i],
3668 				   len_table) != 0) {
3669 				data_is_same = false;
3670 				break;
3671 			}
3672 		}
3673 
3674 		if (data_is_same) {
3675 			atomisp_css_shading_table_free(shading_table);
3676 			return 0;
3677 		}
3678 	}
3679 
3680 set_lsc:
3681 	/* set LSC to CSS */
3682 	css_param->shading_table = shading_table;
3683 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3684 	asd->params.sc_en = shading_table;
3685 
3686 	if (old_table)
3687 		atomisp_css_shading_table_free(old_table);
3688 
3689 	return 0;
3690 }
3691 
3692 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3693 			      struct ia_css_dvs2_coefficients *coefs,
3694 			      struct atomisp_css_params *css_param,
3695 			      bool from_user)
3696 {
3697 	struct ia_css_dvs_grid_info *cur =
3698 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3699 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3700 	struct ia_css_dvs2_coefficients dvs2_coefs;
3701 
3702 	if (!coefs || !cur)
3703 		return 0;
3704 
3705 	if (!from_user && css_param->update_flag.dvs2_coefs)
3706 		return 0;
3707 
3708 	if (!IS_ISP2401) {
3709 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3710 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3711 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3712 			/* If the grid info in the argument differs from the current
3713 			grid info, we tell the caller to reset the grid size and
3714 			try again. */
3715 			return -EAGAIN;
3716 		}
3717 
3718 		if (!coefs->hor_coefs.odd_real ||
3719 		    !coefs->hor_coefs.odd_imag ||
3720 		    !coefs->hor_coefs.even_real ||
3721 		    !coefs->hor_coefs.even_imag ||
3722 		    !coefs->ver_coefs.odd_real ||
3723 		    !coefs->ver_coefs.odd_imag ||
3724 		    !coefs->ver_coefs.even_real ||
3725 		    !coefs->ver_coefs.even_imag)
3726 			return -EINVAL;
3727 
3728 		if (!css_param->dvs2_coeff) {
3729 			/* DIS coefficients. */
3730 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3731 			if (!css_param->dvs2_coeff)
3732 				return -ENOMEM;
3733 		}
3734 
3735 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3736 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3737 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3738 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3739 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3740 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3741 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3742 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3743 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3744 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3745 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3746 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3747 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3748 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3749 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3750 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3751 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3752 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3753 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3754 			css_param->dvs2_coeff = NULL;
3755 			return -EFAULT;
3756 		}
3757 	} else {
3758 		if (copy_from_compatible(&dvs2_coefs, coefs,
3759 					sizeof(struct ia_css_dvs2_coefficients),
3760 					from_user)) {
3761 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3762 			return -EFAULT;
3763 		}
3764 
3765 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3766 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3767 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3768 			/* If the grid info in the argument differs from the current
3769 			grid info, we tell the caller to reset the grid size and
3770 			try again. */
3771 			return -EAGAIN;
3772 		}
3773 
3774 		if (!dvs2_coefs.hor_coefs.odd_real ||
3775 		    !dvs2_coefs.hor_coefs.odd_imag ||
3776 		    !dvs2_coefs.hor_coefs.even_real ||
3777 		    !dvs2_coefs.hor_coefs.even_imag ||
3778 		    !dvs2_coefs.ver_coefs.odd_real ||
3779 		    !dvs2_coefs.ver_coefs.odd_imag ||
3780 		    !dvs2_coefs.ver_coefs.even_real ||
3781 		    !dvs2_coefs.ver_coefs.even_imag)
3782 			return -EINVAL;
3783 
3784 		if (!css_param->dvs2_coeff) {
3785 			/* DIS coefficients. */
3786 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3787 			if (!css_param->dvs2_coeff)
3788 				return -ENOMEM;
3789 		}
3790 
3791 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3792 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3793 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3794 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3795 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3796 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3797 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3798 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3799 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3800 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3801 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3802 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3803 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3804 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3805 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3806 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3807 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3808 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3809 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3810 			css_param->dvs2_coeff = NULL;
3811 			return -EFAULT;
3812 		}
3813 	}
3814 
3815 	css_param->update_flag.dvs2_coefs =
3816 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3817 	return 0;
3818 }
3819 
3820 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3821 				struct atomisp_dvs_6axis_config *source_6axis_config,
3822 				struct atomisp_css_params *css_param,
3823 				bool from_user)
3824 {
3825 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3826 	struct ia_css_dvs_6axis_config *old_6axis_config;
3827 	struct ia_css_stream *stream =
3828 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3829 	struct ia_css_dvs_grid_info *dvs_grid_info =
3830 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3831 	int ret = -EFAULT;
3832 
3833 	if (!stream) {
3834 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3835 		return -EINVAL;
3836 	}
3837 
3838 	if (!source_6axis_config || !dvs_grid_info)
3839 		return 0;
3840 
3841 	if (!dvs_grid_info->enable)
3842 		return 0;
3843 
3844 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3845 		return 0;
3846 
3847 	/* check whether need to reallocate for 6 axis config */
3848 	old_6axis_config = css_param->dvs_6axis;
3849 	dvs_6axis_config = old_6axis_config;
3850 
3851 	if (IS_ISP2401) {
3852 		struct ia_css_dvs_6axis_config t_6axis_config;
3853 
3854 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3855 					sizeof(struct atomisp_dvs_6axis_config),
3856 					from_user)) {
3857 			dev_err(asd->isp->dev, "copy morph table failed!");
3858 			return -EFAULT;
3859 		}
3860 
3861 		if (old_6axis_config &&
3862 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3863 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3864 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3865 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3866 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3867 			css_param->dvs_6axis = NULL;
3868 
3869 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3870 			if (!dvs_6axis_config)
3871 				return -ENOMEM;
3872 		} else if (!dvs_6axis_config) {
3873 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3874 			if (!dvs_6axis_config)
3875 				return -ENOMEM;
3876 		}
3877 
3878 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3879 
3880 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3881 					t_6axis_config.xcoords_y,
3882 					t_6axis_config.width_y *
3883 					t_6axis_config.height_y *
3884 					sizeof(*dvs_6axis_config->xcoords_y),
3885 					from_user))
3886 			goto error;
3887 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3888 					t_6axis_config.ycoords_y,
3889 					t_6axis_config.width_y *
3890 					t_6axis_config.height_y *
3891 					sizeof(*dvs_6axis_config->ycoords_y),
3892 					from_user))
3893 			goto error;
3894 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3895 					t_6axis_config.xcoords_uv,
3896 					t_6axis_config.width_uv *
3897 					t_6axis_config.height_uv *
3898 					sizeof(*dvs_6axis_config->xcoords_uv),
3899 					from_user))
3900 			goto error;
3901 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3902 					t_6axis_config.ycoords_uv,
3903 					t_6axis_config.width_uv *
3904 					t_6axis_config.height_uv *
3905 					sizeof(*dvs_6axis_config->ycoords_uv),
3906 					from_user))
3907 			goto error;
3908 	} else {
3909 		if (old_6axis_config &&
3910 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3911 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3912 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3913 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3914 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3915 			css_param->dvs_6axis = NULL;
3916 
3917 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3918 			if (!dvs_6axis_config)
3919 				return -ENOMEM;
3920 		} else if (!dvs_6axis_config) {
3921 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3922 			if (!dvs_6axis_config)
3923 				return -ENOMEM;
3924 		}
3925 
3926 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3927 
3928 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3929 					source_6axis_config->xcoords_y,
3930 					source_6axis_config->width_y *
3931 					source_6axis_config->height_y *
3932 					sizeof(*source_6axis_config->xcoords_y),
3933 					from_user))
3934 			goto error;
3935 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3936 					source_6axis_config->ycoords_y,
3937 					source_6axis_config->width_y *
3938 					source_6axis_config->height_y *
3939 					sizeof(*source_6axis_config->ycoords_y),
3940 					from_user))
3941 			goto error;
3942 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3943 					source_6axis_config->xcoords_uv,
3944 					source_6axis_config->width_uv *
3945 					source_6axis_config->height_uv *
3946 					sizeof(*source_6axis_config->xcoords_uv),
3947 					from_user))
3948 			goto error;
3949 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3950 					source_6axis_config->ycoords_uv,
3951 					source_6axis_config->width_uv *
3952 					source_6axis_config->height_uv *
3953 					sizeof(*source_6axis_config->ycoords_uv),
3954 					from_user))
3955 			goto error;
3956 	}
3957 	css_param->dvs_6axis = dvs_6axis_config;
3958 	css_param->update_flag.dvs_6axis_config =
3959 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3960 	return 0;
3961 
3962 error:
3963 	if (dvs_6axis_config)
3964 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3965 	return ret;
3966 }
3967 
3968 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3969 			   struct atomisp_morph_table *source_morph_table,
3970 			   struct atomisp_css_params *css_param,
3971 			   bool from_user)
3972 {
3973 	int ret = -EFAULT;
3974 	unsigned int i;
3975 	struct ia_css_morph_table *morph_table;
3976 	struct ia_css_morph_table *old_morph_table;
3977 
3978 	if (!source_morph_table)
3979 		return 0;
3980 
3981 	if (!from_user && css_param->update_flag.morph_table)
3982 		return 0;
3983 
3984 	old_morph_table = css_param->morph_table;
3985 
3986 	if (IS_ISP2401) {
3987 		struct ia_css_morph_table mtbl;
3988 
3989 		if (copy_from_compatible(&mtbl, source_morph_table,
3990 				sizeof(struct atomisp_morph_table),
3991 				from_user)) {
3992 			dev_err(asd->isp->dev, "copy morph table failed!");
3993 			return -EFAULT;
3994 		}
3995 
3996 		morph_table = atomisp_css_morph_table_allocate(
3997 				mtbl.width,
3998 				mtbl.height);
3999 		if (!morph_table)
4000 			return -ENOMEM;
4001 
4002 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4003 			if (copy_from_compatible(morph_table->coordinates_x[i],
4004 						(__force void *)source_morph_table->coordinates_x[i],
4005 						mtbl.height * mtbl.width *
4006 						sizeof(*morph_table->coordinates_x[i]),
4007 						from_user))
4008 				goto error;
4009 
4010 			if (copy_from_compatible(morph_table->coordinates_y[i],
4011 						(__force void *)source_morph_table->coordinates_y[i],
4012 						mtbl.height * mtbl.width *
4013 						sizeof(*morph_table->coordinates_y[i]),
4014 						from_user))
4015 				goto error;
4016 		}
4017 	} else {
4018 		morph_table = atomisp_css_morph_table_allocate(
4019 				source_morph_table->width,
4020 				source_morph_table->height);
4021 		if (!morph_table)
4022 			return -ENOMEM;
4023 
4024 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4025 			if (copy_from_compatible(morph_table->coordinates_x[i],
4026 						(__force void *)source_morph_table->coordinates_x[i],
4027 						source_morph_table->height * source_morph_table->width *
4028 						sizeof(*source_morph_table->coordinates_x[i]),
4029 						from_user))
4030 				goto error;
4031 
4032 			if (copy_from_compatible(morph_table->coordinates_y[i],
4033 						(__force void *)source_morph_table->coordinates_y[i],
4034 						source_morph_table->height * source_morph_table->width *
4035 						sizeof(*source_morph_table->coordinates_y[i]),
4036 						from_user))
4037 				goto error;
4038 		}
4039 	}
4040 
4041 	css_param->morph_table = morph_table;
4042 	if (old_morph_table)
4043 		atomisp_css_morph_table_free(old_morph_table);
4044 	css_param->update_flag.morph_table =
4045 	    (struct atomisp_morph_table *)morph_table;
4046 	return 0;
4047 
4048 error:
4049 	if (morph_table)
4050 		atomisp_css_morph_table_free(morph_table);
4051 	return ret;
4052 }
4053 
4054 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4055 				  struct atomisp_parameters *arg,
4056 				  struct atomisp_css_params *css_param)
4057 {
4058 	int ret;
4059 
4060 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4061 	if (ret)
4062 		return ret;
4063 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4064 	if (ret)
4065 		return ret;
4066 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4067 	if (ret)
4068 		return ret;
4069 	ret = atomisp_css_cp_dvs2_coefs(asd,
4070 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4071 					css_param, false);
4072 	if (ret)
4073 		return ret;
4074 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4075 					  css_param, false);
4076 	return ret;
4077 }
4078 
4079 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4080 {
4081 	if (css_param->dvs_6axis) {
4082 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4083 		css_param->dvs_6axis = NULL;
4084 	}
4085 	if (css_param->dvs2_coeff) {
4086 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4087 		css_param->dvs2_coeff = NULL;
4088 	}
4089 	if (css_param->shading_table) {
4090 		ia_css_shading_table_free(css_param->shading_table);
4091 		css_param->shading_table = NULL;
4092 	}
4093 	if (css_param->morph_table) {
4094 		ia_css_morph_table_free(css_param->morph_table);
4095 		css_param->morph_table = NULL;
4096 	}
4097 }
4098 
4099 /*
4100  * Check parameter queue list and buffer queue list to find out if matched items
4101  * and then set parameter to CSS and enqueue buffer to CSS.
4102  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4103  * parameter, it will be enqueued into CSS as long as the per-frame setting
4104  * buffers before it get enqueued.
4105  */
4106 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4107 {
4108 	struct atomisp_sub_device *asd = pipe->asd;
4109 	struct videobuf_buffer *vb = NULL, *vb_tmp;
4110 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4111 	struct videobuf_vmalloc_memory *vm_mem = NULL;
4112 	unsigned long irqflags;
4113 	bool need_to_enqueue_buffer = false;
4114 
4115 	if (atomisp_is_vf_pipe(pipe))
4116 		return;
4117 
4118 	/*
4119 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
4120 	 * is streamon.
4121 	 */
4122 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4123 		return;
4124 
4125 	if (list_empty(&pipe->per_frame_params) ||
4126 	    list_empty(&pipe->buffers_waiting_for_param))
4127 		return;
4128 
4129 	list_for_each_entry_safe(vb, vb_tmp,
4130 				 &pipe->buffers_waiting_for_param, queue) {
4131 		if (pipe->frame_request_config_id[vb->i]) {
4132 			list_for_each_entry_safe(param, param_tmp,
4133 						 &pipe->per_frame_params, list) {
4134 				if (pipe->frame_request_config_id[vb->i] !=
4135 				    param->params.isp_config_id)
4136 					continue;
4137 
4138 				list_del(&param->list);
4139 				list_del(&vb->queue);
4140 				/*
4141 				 * clear the request config id as the buffer
4142 				 * will be handled and enqueued into CSS soon
4143 				 */
4144 				pipe->frame_request_config_id[vb->i] = 0;
4145 				pipe->frame_params[vb->i] = param;
4146 				vm_mem = vb->priv;
4147 				BUG_ON(!vm_mem);
4148 				break;
4149 			}
4150 
4151 			if (vm_mem) {
4152 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
4153 				list_add_tail(&vb->queue, &pipe->activeq);
4154 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4155 				vm_mem = NULL;
4156 				need_to_enqueue_buffer = true;
4157 			} else {
4158 				/* The is the end, stop further loop */
4159 				break;
4160 			}
4161 		} else {
4162 			list_del(&vb->queue);
4163 			pipe->frame_params[vb->i] = NULL;
4164 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
4165 			list_add_tail(&vb->queue, &pipe->activeq);
4166 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4167 			need_to_enqueue_buffer = true;
4168 		}
4169 	}
4170 
4171 	if (!need_to_enqueue_buffer)
4172 		return;
4173 
4174 	atomisp_qbuffers_to_css(asd);
4175 
4176 	if (!IS_ISP2401) {
4177 		if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4178 			atomisp_wdt_start(asd);
4179 	} else {
4180 		if (atomisp_buffers_queued_pipe(pipe)) {
4181 			if (!atomisp_is_wdt_running(pipe))
4182 				atomisp_wdt_start_pipe(pipe);
4183 			else
4184 				atomisp_wdt_refresh_pipe(pipe,
4185 							ATOMISP_WDT_KEEP_CURRENT_DELAY);
4186 		}
4187 	}
4188 }
4189 
4190 /*
4191 * Function to configure ISP parameters
4192 */
4193 int atomisp_set_parameters(struct video_device *vdev,
4194 			   struct atomisp_parameters *arg)
4195 {
4196 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4197 	struct atomisp_sub_device *asd = pipe->asd;
4198 	struct atomisp_css_params_with_list *param = NULL;
4199 	struct atomisp_css_params *css_param = &asd->params.css_param;
4200 	int ret;
4201 
4202 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4203 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4204 		return -EINVAL;
4205 	}
4206 
4207 	dev_dbg(asd->isp->dev,
4208 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4209 		__func__, arg->per_frame_setting, asd->index,
4210 		arg->isp_config_id, vdev->name);
4211 
4212 	if (IS_ISP2401) {
4213 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4214 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4215 				__func__);
4216 			return -EINVAL;
4217 		}
4218 	}
4219 
4220 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4221 		/*
4222 		 * Per-frame setting enabled, we allocate a new parameter
4223 		 * buffer to cache the parameters and only when frame buffers
4224 		 * are ready, the parameters will be set to CSS.
4225 		 * per-frame setting only works for the main output frame.
4226 		 */
4227 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
4228 		if (!param) {
4229 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4230 				__func__);
4231 			return -ENOMEM;
4232 		}
4233 		css_param = &param->params;
4234 	}
4235 
4236 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4237 	if (ret)
4238 		goto apply_parameter_failed;
4239 
4240 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4241 	if (ret)
4242 		goto apply_parameter_failed;
4243 
4244 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4245 	if (ret)
4246 		goto apply_parameter_failed;
4247 
4248 	ret = atomisp_css_cp_dvs2_coefs(asd,
4249 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4250 					css_param, true);
4251 	if (ret)
4252 		goto apply_parameter_failed;
4253 
4254 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4255 					  css_param, true);
4256 	if (ret)
4257 		goto apply_parameter_failed;
4258 
4259 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4260 		/* indicate to CSS that we have parameters to be updated */
4261 		asd->params.css_update_params_needed = true;
4262 	} else {
4263 		list_add_tail(&param->list, &pipe->per_frame_params);
4264 		atomisp_handle_parameter_and_buffer(pipe);
4265 	}
4266 
4267 	return 0;
4268 
4269 apply_parameter_failed:
4270 	if (css_param)
4271 		atomisp_free_css_parameters(css_param);
4272 	if (param)
4273 		kvfree(param);
4274 
4275 	return ret;
4276 }
4277 
4278 /*
4279  * Function to set/get isp parameters to isp
4280  */
4281 int atomisp_param(struct atomisp_sub_device *asd, int flag,
4282 		  struct atomisp_parm *config)
4283 {
4284 	struct ia_css_pipe_config *vp_cfg =
4285 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
4286 		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
4287 
4288 	/* Read parameter for 3A binary info */
4289 	if (flag == 0) {
4290 		struct ia_css_dvs_grid_info *dvs_grid_info =
4291 		    atomisp_css_get_dvs_grid_info(
4292 			&asd->params.curr_grid_info);
4293 
4294 		atomisp_curr_user_grid_info(asd, &config->info);
4295 
4296 		/* We always return the resolution and stride even if there is
4297 		 * no valid metadata. This allows the caller to get the
4298 		 * information needed to allocate user-space buffers. */
4299 		config->metadata_config.metadata_height = asd->
4300 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4301 			metadata_info.resolution.height;
4302 		config->metadata_config.metadata_stride = asd->
4303 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4304 			metadata_info.stride;
4305 
4306 		/* update dvs grid info */
4307 		if (dvs_grid_info)
4308 			memcpy(&config->dvs_grid,
4309 			       dvs_grid_info,
4310 			       sizeof(struct ia_css_dvs_grid_info));
4311 
4312 		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
4313 			config->dvs_envelop.width = 0;
4314 			config->dvs_envelop.height = 0;
4315 			return 0;
4316 		}
4317 
4318 		/* update dvs envelop info */
4319 		if (!asd->continuous_mode->val) {
4320 			config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
4321 			config->dvs_envelop.height =
4322 			    vp_cfg->dvs_envelope.height;
4323 		} else {
4324 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
4325 
4326 			dvs_w = vp_cfg->bayer_ds_out_res.width -
4327 				vp_cfg->output_info[0].res.width;
4328 			dvs_h = vp_cfg->bayer_ds_out_res.height -
4329 				vp_cfg->output_info[0].res.height;
4330 			dvs_w_max = rounddown(
4331 					vp_cfg->output_info[0].res.width / 5,
4332 					ATOM_ISP_STEP_WIDTH);
4333 			dvs_h_max = rounddown(
4334 					vp_cfg->output_info[0].res.height / 5,
4335 					ATOM_ISP_STEP_HEIGHT);
4336 
4337 			config->dvs_envelop.width = min(dvs_w, dvs_w_max);
4338 			config->dvs_envelop.height = min(dvs_h, dvs_h_max);
4339 		}
4340 
4341 		return 0;
4342 	}
4343 
4344 	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
4345 	       sizeof(struct ia_css_wb_config));
4346 	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
4347 	       sizeof(struct ia_css_ob_config));
4348 	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
4349 	       sizeof(struct ia_css_dp_config));
4350 	memcpy(&asd->params.css_param.de_config, &config->de_config,
4351 	       sizeof(struct ia_css_de_config));
4352 	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
4353 	       sizeof(struct ia_css_dz_config));
4354 	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
4355 	       sizeof(struct ia_css_ce_config));
4356 	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
4357 	       sizeof(struct ia_css_nr_config));
4358 	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
4359 	       sizeof(struct ia_css_ee_config));
4360 	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
4361 	       sizeof(struct ia_css_tnr_config));
4362 
4363 	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
4364 		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
4365 		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
4366 		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
4367 		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
4368 		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
4369 		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
4370 	}
4371 
4372 	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
4373 	    asd->params.color_effect != V4L2_COLORFX_BW) {
4374 		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
4375 		       sizeof(struct ia_css_cc_config));
4376 		asd->params.config.cc_config = &asd->params.css_param.cc_config;
4377 	}
4378 
4379 	asd->params.config.wb_config = &asd->params.css_param.wb_config;
4380 	asd->params.config.ob_config = &asd->params.css_param.ob_config;
4381 	asd->params.config.de_config = &asd->params.css_param.de_config;
4382 	asd->params.config.dz_config = &asd->params.css_param.dz_config;
4383 	asd->params.config.ce_config = &asd->params.css_param.ce_config;
4384 	asd->params.config.dp_config = &asd->params.css_param.dp_config;
4385 	asd->params.config.nr_config = &asd->params.css_param.nr_config;
4386 	asd->params.config.ee_config = &asd->params.css_param.ee_config;
4387 	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
4388 	asd->params.css_update_params_needed = true;
4389 
4390 	return 0;
4391 }
4392 
4393 /*
4394  * Function to configure color effect of the image
4395  */
4396 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
4397 			 __s32 *effect)
4398 {
4399 	struct ia_css_cc_config *cc_config = NULL;
4400 	struct ia_css_macc_table *macc_table = NULL;
4401 	struct ia_css_ctc_table *ctc_table = NULL;
4402 	int ret = 0;
4403 	struct v4l2_control control;
4404 	struct atomisp_device *isp = asd->isp;
4405 
4406 	if (flag == 0) {
4407 		*effect = asd->params.color_effect;
4408 		return 0;
4409 	}
4410 
4411 	control.id = V4L2_CID_COLORFX;
4412 	control.value = *effect;
4413 	ret =
4414 	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
4415 			&control);
4416 	/*
4417 	 * if set color effect to sensor successfully, return
4418 	 * 0 directly.
4419 	 */
4420 	if (!ret) {
4421 		asd->params.color_effect = (u32)*effect;
4422 		return 0;
4423 	}
4424 
4425 	if (*effect == asd->params.color_effect)
4426 		return 0;
4427 
4428 	/*
4429 	 * isp_subdev->params.macc_en should be set to false.
4430 	 */
4431 	asd->params.macc_en = false;
4432 
4433 	switch (*effect) {
4434 	case V4L2_COLORFX_NONE:
4435 		macc_table = &asd->params.css_param.macc_table;
4436 		asd->params.macc_en = true;
4437 		break;
4438 	case V4L2_COLORFX_SEPIA:
4439 		cc_config = &sepia_cc_config;
4440 		break;
4441 	case V4L2_COLORFX_NEGATIVE:
4442 		cc_config = &nega_cc_config;
4443 		break;
4444 	case V4L2_COLORFX_BW:
4445 		cc_config = &mono_cc_config;
4446 		break;
4447 	case V4L2_COLORFX_SKY_BLUE:
4448 		macc_table = &blue_macc_table;
4449 		asd->params.macc_en = true;
4450 		break;
4451 	case V4L2_COLORFX_GRASS_GREEN:
4452 		macc_table = &green_macc_table;
4453 		asd->params.macc_en = true;
4454 		break;
4455 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
4456 		macc_table = &skin_low_macc_table;
4457 		asd->params.macc_en = true;
4458 		break;
4459 	case V4L2_COLORFX_SKIN_WHITEN:
4460 		macc_table = &skin_medium_macc_table;
4461 		asd->params.macc_en = true;
4462 		break;
4463 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4464 		macc_table = &skin_high_macc_table;
4465 		asd->params.macc_en = true;
4466 		break;
4467 	case V4L2_COLORFX_VIVID:
4468 		ctc_table = &vivid_ctc_table;
4469 		break;
4470 	default:
4471 		return -EINVAL;
4472 	}
4473 	atomisp_update_capture_mode(asd);
4474 
4475 	if (cc_config)
4476 		asd->params.config.cc_config = cc_config;
4477 	if (macc_table)
4478 		asd->params.config.macc_table = macc_table;
4479 	if (ctc_table)
4480 		atomisp_css_set_ctc_table(asd, ctc_table);
4481 	asd->params.color_effect = (u32)*effect;
4482 	asd->params.css_update_params_needed = true;
4483 	return 0;
4484 }
4485 
4486 /*
4487  * Function to configure bad pixel correction
4488  */
4489 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4490 		      __s32 *value)
4491 {
4492 	if (flag == 0) {
4493 		*value = asd->params.bad_pixel_en;
4494 		return 0;
4495 	}
4496 	asd->params.bad_pixel_en = !!*value;
4497 
4498 	return 0;
4499 }
4500 
4501 /*
4502  * Function to configure bad pixel correction params
4503  */
4504 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4505 			    struct atomisp_dp_config *config)
4506 {
4507 	if (flag == 0) {
4508 		/* Get bad pixel from current setup */
4509 		if (atomisp_css_get_dp_config(asd, config))
4510 			return -EINVAL;
4511 	} else {
4512 		/* Set bad pixel to isp parameters */
4513 		memcpy(&asd->params.css_param.dp_config, config,
4514 		       sizeof(asd->params.css_param.dp_config));
4515 		asd->params.config.dp_config = &asd->params.css_param.dp_config;
4516 		asd->params.css_update_params_needed = true;
4517 	}
4518 
4519 	return 0;
4520 }
4521 
4522 /*
4523  * Function to enable/disable video image stablization
4524  */
4525 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4526 			 __s32 *value)
4527 {
4528 	if (flag == 0)
4529 		*value = asd->params.video_dis_en;
4530 	else
4531 		asd->params.video_dis_en = !!*value;
4532 
4533 	return 0;
4534 }
4535 
4536 /*
4537  * Function to configure fixed pattern noise
4538  */
4539 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4540 			  __s32 *value)
4541 {
4542 	if (flag == 0) {
4543 		*value = asd->params.fpn_en;
4544 		return 0;
4545 	}
4546 
4547 	if (*value == 0) {
4548 		asd->params.fpn_en = false;
4549 		return 0;
4550 	}
4551 
4552 	/* Add function to get black from from sensor with shutter off */
4553 	return 0;
4554 }
4555 
4556 static unsigned int
4557 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4558 				     enum ia_css_frame_format format)
4559 {
4560 	switch (format) {
4561 	case IA_CSS_FRAME_FORMAT_UYVY:
4562 	case IA_CSS_FRAME_FORMAT_YUYV:
4563 	case IA_CSS_FRAME_FORMAT_RAW:
4564 	case IA_CSS_FRAME_FORMAT_RGB565:
4565 		return bytesperline / 2;
4566 	case IA_CSS_FRAME_FORMAT_RGBA888:
4567 		return bytesperline / 4;
4568 	/* The following cases could be removed, but we leave them
4569 	   in to document the formats that are included. */
4570 	case IA_CSS_FRAME_FORMAT_NV11:
4571 	case IA_CSS_FRAME_FORMAT_NV12:
4572 	case IA_CSS_FRAME_FORMAT_NV16:
4573 	case IA_CSS_FRAME_FORMAT_NV21:
4574 	case IA_CSS_FRAME_FORMAT_NV61:
4575 	case IA_CSS_FRAME_FORMAT_YV12:
4576 	case IA_CSS_FRAME_FORMAT_YV16:
4577 	case IA_CSS_FRAME_FORMAT_YUV420:
4578 	case IA_CSS_FRAME_FORMAT_YUV420_16:
4579 	case IA_CSS_FRAME_FORMAT_YUV422:
4580 	case IA_CSS_FRAME_FORMAT_YUV422_16:
4581 	case IA_CSS_FRAME_FORMAT_YUV444:
4582 	case IA_CSS_FRAME_FORMAT_YUV_LINE:
4583 	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4584 	case IA_CSS_FRAME_FORMAT_QPLANE6:
4585 	case IA_CSS_FRAME_FORMAT_BINARY_8:
4586 	default:
4587 		return bytesperline;
4588 	}
4589 }
4590 
4591 static int
4592 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4593 				      struct ia_css_frame **result)
4594 {
4595 	struct ia_css_frame *res = NULL;
4596 	unsigned int padded_width;
4597 	enum ia_css_frame_format sh_format;
4598 	char *tmp_buf = NULL;
4599 	int ret = 0;
4600 
4601 	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4602 	padded_width = atomisp_bytesperline_to_padded_width(
4603 			   arg->fmt.bytesperline, sh_format);
4604 
4605 	/* Note: the padded width on an ia_css_frame is in elements, not in
4606 	   bytes. The RAW frame we use here should always be a 16bit RAW
4607 	   frame. This is why we bytesperline/2 is equal to the padded with */
4608 	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4609 				       sh_format, padded_width, 0)) {
4610 		ret = -ENOMEM;
4611 		goto err;
4612 	}
4613 
4614 	tmp_buf = vmalloc(arg->fmt.sizeimage);
4615 	if (!tmp_buf) {
4616 		ret = -ENOMEM;
4617 		goto err;
4618 	}
4619 	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4620 			   arg->fmt.sizeimage)) {
4621 		ret = -EFAULT;
4622 		goto err;
4623 	}
4624 
4625 	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4626 		ret = -EINVAL;
4627 		goto err;
4628 	}
4629 
4630 err:
4631 	if (ret && res)
4632 		ia_css_frame_free(res);
4633 	if (tmp_buf)
4634 		vfree(tmp_buf);
4635 	if (ret == 0)
4636 		*result = res;
4637 	return ret;
4638 }
4639 
4640 /*
4641  * Function to configure fixed pattern noise table
4642  */
4643 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4644 				struct v4l2_framebuffer *arg)
4645 {
4646 	struct ia_css_frame *raw_black_frame = NULL;
4647 	int ret;
4648 
4649 	if (!arg)
4650 		return -EINVAL;
4651 
4652 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4653 	if (ret)
4654 		return ret;
4655 
4656 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4657 				   raw_black_frame) != 0)
4658 		return -ENOMEM;
4659 
4660 	ia_css_frame_free(raw_black_frame);
4661 	return ret;
4662 }
4663 
4664 /*
4665  * Function to configure false color correction
4666  */
4667 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4668 			__s32 *value)
4669 {
4670 	/* Get nr config from current setup */
4671 	if (flag == 0) {
4672 		*value = asd->params.false_color;
4673 		return 0;
4674 	}
4675 
4676 	/* Set nr config to isp parameters */
4677 	if (*value) {
4678 		asd->params.config.de_config = NULL;
4679 	} else {
4680 		asd->params.css_param.de_config.pixelnoise = 0;
4681 		asd->params.config.de_config = &asd->params.css_param.de_config;
4682 	}
4683 	asd->params.css_update_params_needed = true;
4684 	asd->params.false_color = *value;
4685 	return 0;
4686 }
4687 
4688 /*
4689  * Function to configure bad pixel correction params
4690  */
4691 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4692 			      struct atomisp_de_config *config)
4693 {
4694 	if (flag == 0) {
4695 		/* Get false color from current setup */
4696 		if (atomisp_css_get_de_config(asd, config))
4697 			return -EINVAL;
4698 	} else {
4699 		/* Set false color to isp parameters */
4700 		memcpy(&asd->params.css_param.de_config, config,
4701 		       sizeof(asd->params.css_param.de_config));
4702 		asd->params.config.de_config = &asd->params.css_param.de_config;
4703 		asd->params.css_update_params_needed = true;
4704 	}
4705 
4706 	return 0;
4707 }
4708 
4709 /*
4710  * Function to configure white balance params
4711  */
4712 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4713 				struct atomisp_wb_config *config)
4714 {
4715 	if (flag == 0) {
4716 		/* Get white balance from current setup */
4717 		if (atomisp_css_get_wb_config(asd, config))
4718 			return -EINVAL;
4719 	} else {
4720 		/* Set white balance to isp parameters */
4721 		memcpy(&asd->params.css_param.wb_config, config,
4722 		       sizeof(asd->params.css_param.wb_config));
4723 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4724 		asd->params.css_update_params_needed = true;
4725 	}
4726 
4727 	return 0;
4728 }
4729 
4730 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4731 			    struct atomisp_3a_config *config)
4732 {
4733 	struct atomisp_device *isp = asd->isp;
4734 
4735 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4736 
4737 	if (flag == 0) {
4738 		/* Get white balance from current setup */
4739 		if (atomisp_css_get_3a_config(asd, config))
4740 			return -EINVAL;
4741 	} else {
4742 		/* Set white balance to isp parameters */
4743 		memcpy(&asd->params.css_param.s3a_config, config,
4744 		       sizeof(asd->params.css_param.s3a_config));
4745 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4746 		asd->params.css_update_params_needed = true;
4747 	}
4748 
4749 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4750 	return 0;
4751 }
4752 
4753 /*
4754  * Function to setup digital zoom
4755  */
4756 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4757 			 __s32 *value)
4758 {
4759 	u32 zoom;
4760 	struct atomisp_device *isp = asd->isp;
4761 
4762 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4763 
4764 	if (flag == 0) {
4765 		atomisp_css_get_zoom_factor(asd, &zoom);
4766 		*value = max_zoom - zoom;
4767 	} else {
4768 		if (*value < 0)
4769 			return -EINVAL;
4770 
4771 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4772 		atomisp_css_set_zoom_factor(asd, zoom);
4773 
4774 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4775 		asd->params.css_update_params_needed = true;
4776 	}
4777 
4778 	return 0;
4779 }
4780 
4781 /*
4782  * Function to get sensor specific info for current resolution,
4783  * which will be used for auto exposure conversion.
4784  */
4785 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4786 				 struct atomisp_sensor_mode_data *config)
4787 {
4788 	struct camera_mipi_info *mipi_info;
4789 	struct atomisp_device *isp = asd->isp;
4790 
4791 	mipi_info = atomisp_to_sensor_mipi_info(
4792 			isp->inputs[asd->input_curr].camera);
4793 	if (!mipi_info)
4794 		return -EINVAL;
4795 
4796 	memcpy(config, &mipi_info->data, sizeof(*config));
4797 	return 0;
4798 }
4799 
4800 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4801 {
4802 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4803 
4804 	f->fmt.pix = pipe->pix;
4805 
4806 	return 0;
4807 }
4808 
4809 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4810 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4811 {
4812 	int i;
4813 
4814 	/* assign virtual channel id return from sensor driver query */
4815 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4816 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4817 	for (i = 0; i < stream_info->isys_configs; i++) {
4818 		asd->stream_env[stream_index].isys_info[i].input_format =
4819 		    stream_info->isys_info[i].input_format;
4820 		asd->stream_env[stream_index].isys_info[i].width =
4821 		    stream_info->isys_info[i].width;
4822 		asd->stream_env[stream_index].isys_info[i].height =
4823 		    stream_info->isys_info[i].height;
4824 	}
4825 }
4826 
4827 static void __atomisp_init_stream_info(u16 stream_index,
4828 				       struct atomisp_input_stream_info *stream_info)
4829 {
4830 	int i;
4831 
4832 	stream_info->enable = 1;
4833 	stream_info->stream = stream_index;
4834 	stream_info->ch_id = 0;
4835 	stream_info->isys_configs = 0;
4836 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4837 		stream_info->isys_info[i].input_format = 0;
4838 		stream_info->isys_info[i].width = 0;
4839 		stream_info->isys_info[i].height = 0;
4840 	}
4841 }
4842 
4843 /* This function looks up the closest available resolution. */
4844 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_format *f,
4845 		    bool *res_overflow)
4846 {
4847 	struct atomisp_device *isp = video_get_drvdata(vdev);
4848 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4849 	struct v4l2_subdev_pad_config pad_cfg;
4850 	struct v4l2_subdev_format format = {
4851 		.which = V4L2_SUBDEV_FORMAT_TRY,
4852 	};
4853 
4854 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4855 	const struct atomisp_format_bridge *fmt;
4856 	struct atomisp_input_stream_info *stream_info =
4857 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4858 	u16 stream_index;
4859 	int source_pad = atomisp_subdev_source_pad(vdev);
4860 	int ret;
4861 
4862 	if (!isp->inputs[asd->input_curr].camera)
4863 		return -EINVAL;
4864 
4865 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4866 	fmt = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
4867 	if (!fmt) {
4868 		dev_err(isp->dev, "unsupported pixelformat!\n");
4869 		fmt = atomisp_output_fmts;
4870 	}
4871 
4872 	if (f->fmt.pix.width <= 0 || f->fmt.pix.height <= 0)
4873 		return -EINVAL;
4874 
4875 	snr_mbus_fmt->code = fmt->mbus_code;
4876 	snr_mbus_fmt->width = f->fmt.pix.width;
4877 	snr_mbus_fmt->height = f->fmt.pix.height;
4878 
4879 	__atomisp_init_stream_info(stream_index, stream_info);
4880 
4881 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4882 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4883 
4884 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4885 			       pad, set_fmt, &pad_cfg, &format);
4886 	if (ret)
4887 		return ret;
4888 
4889 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4890 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4891 
4892 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4893 	if (!fmt) {
4894 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4895 			snr_mbus_fmt->code);
4896 		return -EINVAL;
4897 	}
4898 
4899 	f->fmt.pix.pixelformat = fmt->pixelformat;
4900 
4901 	/*
4902 	 * If the format is jpeg or custom RAW, then the width and height will
4903 	 * not satisfy the normal atomisp requirements and no need to check
4904 	 * the below conditions. So just assign to what is being returned from
4905 	 * the sensor driver.
4906 	 */
4907 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
4908 	    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4909 		f->fmt.pix.width = snr_mbus_fmt->width;
4910 		f->fmt.pix.height = snr_mbus_fmt->height;
4911 		return 0;
4912 	}
4913 
4914 	if (snr_mbus_fmt->width < f->fmt.pix.width
4915 	    && snr_mbus_fmt->height < f->fmt.pix.height) {
4916 		f->fmt.pix.width = snr_mbus_fmt->width;
4917 		f->fmt.pix.height = snr_mbus_fmt->height;
4918 		/* Set the flag when resolution requested is
4919 		 * beyond the max value supported by sensor
4920 		 */
4921 		if (res_overflow)
4922 			*res_overflow = true;
4923 	}
4924 
4925 	/* app vs isp */
4926 	f->fmt.pix.width = rounddown(
4927 			       clamp_t(u32, f->fmt.pix.width, ATOM_ISP_MIN_WIDTH,
4928 				       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4929 	f->fmt.pix.height = rounddown(
4930 				clamp_t(u32, f->fmt.pix.height, ATOM_ISP_MIN_HEIGHT,
4931 					ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4932 
4933 	return 0;
4934 }
4935 
4936 static int
4937 atomisp_try_fmt_file(struct atomisp_device *isp, struct v4l2_format *f)
4938 {
4939 	u32 width = f->fmt.pix.width;
4940 	u32 height = f->fmt.pix.height;
4941 	u32 pixelformat = f->fmt.pix.pixelformat;
4942 	enum v4l2_field field = f->fmt.pix.field;
4943 	u32 depth;
4944 
4945 	if (!atomisp_get_format_bridge(pixelformat)) {
4946 		dev_err(isp->dev, "Wrong output pixelformat\n");
4947 		return -EINVAL;
4948 	}
4949 
4950 	depth = get_pixel_depth(pixelformat);
4951 
4952 	if (field == V4L2_FIELD_ANY)
4953 		field = V4L2_FIELD_NONE;
4954 	else if (field != V4L2_FIELD_NONE) {
4955 		dev_err(isp->dev, "Wrong output field\n");
4956 		return -EINVAL;
4957 	}
4958 
4959 	f->fmt.pix.field = field;
4960 	f->fmt.pix.width = clamp_t(u32,
4961 				   rounddown(width, (u32)ATOM_ISP_STEP_WIDTH),
4962 				   ATOM_ISP_MIN_WIDTH, ATOM_ISP_MAX_WIDTH);
4963 	f->fmt.pix.height = clamp_t(u32, rounddown(height,
4964 				    (u32)ATOM_ISP_STEP_HEIGHT),
4965 				    ATOM_ISP_MIN_HEIGHT, ATOM_ISP_MAX_HEIGHT);
4966 	f->fmt.pix.bytesperline = (width * depth) >> 3;
4967 
4968 	return 0;
4969 }
4970 
4971 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4972 				  enum atomisp_camera_port port)
4973 {
4974 	switch (port) {
4975 	case ATOMISP_CAMERA_PORT_PRIMARY:
4976 		return MIPI_PORT0_ID;
4977 	case ATOMISP_CAMERA_PORT_SECONDARY:
4978 		return MIPI_PORT1_ID;
4979 	case ATOMISP_CAMERA_PORT_TERTIARY:
4980 		if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID) {
4981 			return MIPI_PORT1_ID + 1;
4982 		}
4983 	/* fall through */
4984 	default:
4985 		dev_err(isp->dev, "unsupported port: %d\n", port);
4986 		return MIPI_PORT0_ID;
4987 	}
4988 }
4989 
4990 static inline int atomisp_set_sensor_mipi_to_isp(
4991     struct atomisp_sub_device *asd,
4992     enum atomisp_input_stream_id stream_id,
4993     struct camera_mipi_info *mipi_info)
4994 {
4995 	struct v4l2_control ctrl;
4996 	struct atomisp_device *isp = asd->isp;
4997 	const struct atomisp_in_fmt_conv *fc;
4998 	int mipi_freq = 0;
4999 	unsigned int input_format, bayer_order;
5000 
5001 	ctrl.id = V4L2_CID_LINK_FREQ;
5002 	if (v4l2_g_ctrl
5003 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
5004 		mipi_freq = ctrl.value;
5005 
5006 	if (asd->stream_env[stream_id].isys_configs == 1) {
5007 		input_format =
5008 		    asd->stream_env[stream_id].isys_info[0].input_format;
5009 		atomisp_css_isys_set_format(asd, stream_id,
5010 					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
5011 	} else if (asd->stream_env[stream_id].isys_configs == 2) {
5012 		atomisp_css_isys_two_stream_cfg_update_stream1(
5013 		    asd, stream_id,
5014 		    asd->stream_env[stream_id].isys_info[0].input_format,
5015 		    asd->stream_env[stream_id].isys_info[0].width,
5016 		    asd->stream_env[stream_id].isys_info[0].height);
5017 
5018 		atomisp_css_isys_two_stream_cfg_update_stream2(
5019 		    asd, stream_id,
5020 		    asd->stream_env[stream_id].isys_info[1].input_format,
5021 		    asd->stream_env[stream_id].isys_info[1].width,
5022 		    asd->stream_env[stream_id].isys_info[1].height);
5023 	}
5024 
5025 	/* Compatibility for sensors which provide no media bus code
5026 	 * in s_mbus_framefmt() nor support pad formats. */
5027 	if (mipi_info->input_format != -1) {
5028 		bayer_order = mipi_info->raw_bayer_order;
5029 
5030 		/* Input stream config is still needs configured */
5031 		/* TODO: Check if this is necessary */
5032 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5033 			 mipi_info->input_format);
5034 		if (!fc)
5035 			return -EINVAL;
5036 		input_format = fc->atomisp_in_fmt;
5037 	} else {
5038 		struct v4l2_mbus_framefmt *sink;
5039 
5040 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5041 					       V4L2_SUBDEV_FORMAT_ACTIVE,
5042 					       ATOMISP_SUBDEV_PAD_SINK);
5043 		fc = atomisp_find_in_fmt_conv(sink->code);
5044 		if (!fc)
5045 			return -EINVAL;
5046 		input_format = fc->atomisp_in_fmt;
5047 		bayer_order = fc->bayer_order;
5048 	}
5049 
5050 	atomisp_css_input_set_format(asd, stream_id, input_format);
5051 	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
5052 
5053 	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5054 		 mipi_info->metadata_format);
5055 	if (!fc)
5056 		return -EINVAL;
5057 	input_format = fc->atomisp_in_fmt;
5058 	atomisp_css_input_configure_port(asd,
5059 					 __get_mipi_port(asd->isp, mipi_info->port),
5060 					 mipi_info->num_lanes,
5061 					 0xffff4, mipi_freq,
5062 					 input_format,
5063 					 mipi_info->metadata_width,
5064 					 mipi_info->metadata_height);
5065 	return 0;
5066 }
5067 
5068 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
5069 				    bool enable)
5070 {
5071 	struct atomisp_device *isp = asd->isp;
5072 
5073 	dev_dbg(isp->dev,
5074 		"continuous mode %d, raw buffers %d, stop preview %d\n",
5075 		enable, asd->continuous_raw_buffer_size->val,
5076 		!asd->continuous_viewfinder->val);
5077 
5078 	if (!IS_ISP2401)
5079 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
5080 	else
5081 		atomisp_update_capture_mode(asd);
5082 
5083 	/* in case of ANR, force capture pipe to offline mode */
5084 	atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5085 					  asd->params.low_light ? false : !enable);
5086 	atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5087 					  !enable);
5088 	atomisp_css_enable_continuous(asd, enable);
5089 	atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
5090 
5091 	if (atomisp_css_continuous_set_num_raw_frames(asd,
5092 		asd->continuous_raw_buffer_size->val)) {
5093 		dev_err(isp->dev, "css_continuous_set_num_raw_frames failed\n");
5094 		return -EINVAL;
5095 	}
5096 
5097 	if (!enable) {
5098 		atomisp_css_enable_raw_binning(asd, false);
5099 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
5100 	}
5101 
5102 	if (isp->inputs[asd->input_curr].type != FILE_INPUT)
5103 		atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5104 
5105 	return atomisp_update_run_mode(asd);
5106 }
5107 
5108 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
5109 				  unsigned int width, unsigned int height)
5110 {
5111 	return 0;
5112 }
5113 
5114 static int configure_output_nop(struct atomisp_sub_device *asd,
5115 				unsigned int width, unsigned int height,
5116 				unsigned int min_width,
5117 				enum ia_css_frame_format sh_fmt)
5118 {
5119 	return 0;
5120 }
5121 
5122 static int get_frame_info_nop(struct atomisp_sub_device *asd,
5123 			      struct ia_css_frame_info *finfo)
5124 {
5125 	return 0;
5126 }
5127 
5128 /*
5129  * Resets CSS parameters that depend on input resolution.
5130  *
5131  * Update params like CSS RAW binning, 2ppc mode and pp_input
5132  * which depend on input size, but are not automatically
5133  * handled in CSS when the input resolution is changed.
5134  */
5135 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
5136 					struct v4l2_mbus_framefmt *ffmt)
5137 {
5138 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
5139 	unsigned int i;
5140 
5141 	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
5142 		ffmt->width, ffmt->height);
5143 
5144 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5145 	atomisp_css_input_set_two_pixels_per_clock(asd, false);
5146 #else
5147 	atomisp_css_input_set_two_pixels_per_clock(asd, true);
5148 #endif
5149 	if (asd->continuous_mode->val) {
5150 		/* Note for all checks: ffmt includes pad_w+pad_h */
5151 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
5152 		    (ffmt->width >= 2048 || ffmt->height >= 1536)) {
5153 			/*
5154 			 * For preview pipe, enable only if resolution
5155 			 * is >= 3M for ISP2400.
5156 			 */
5157 			atomisp_css_enable_raw_binning(asd, true);
5158 		}
5159 	}
5160 	/*
5161 	 * If sensor input changed, which means metadata resolution changed
5162 	 * together. Release all metadata buffers here to let it re-allocated
5163 	 * next time in reqbufs.
5164 	 */
5165 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
5166 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
5167 					 list) {
5168 			atomisp_css_free_metadata_buffer(md_buf);
5169 			list_del(&md_buf->list);
5170 			kfree(md_buf);
5171 		}
5172 	}
5173 	return 0;
5174 
5175 	/*
5176 	 * TODO: atomisp_css_preview_configure_pp_input() not
5177 	 *       reset due to CSS bug tracked as PSI BZ 115124
5178 	 */
5179 }
5180 
5181 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
5182 				  struct ia_css_frame_info *output_info,
5183 				  struct ia_css_frame_info *raw_output_info,
5184 				  struct v4l2_pix_format *pix,
5185 				  unsigned int source_pad)
5186 {
5187 	struct camera_mipi_info *mipi_info;
5188 	struct atomisp_device *isp = video_get_drvdata(vdev);
5189 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5190 	const struct atomisp_format_bridge *format;
5191 	struct v4l2_rect *isp_sink_crop;
5192 	enum ia_css_pipe_id pipe_id;
5193 	struct v4l2_subdev_fh fh;
5194 	int (*configure_output)(struct atomisp_sub_device *asd,
5195 				unsigned int width, unsigned int height,
5196 				unsigned int min_width,
5197 				enum ia_css_frame_format sh_fmt) =
5198 				    configure_output_nop;
5199 	int (*get_frame_info)(struct atomisp_sub_device *asd,
5200 			      struct ia_css_frame_info *finfo) =
5201 				  get_frame_info_nop;
5202 	int (*configure_pp_input)(struct atomisp_sub_device *asd,
5203 				  unsigned int width, unsigned int height) =
5204 				      configure_pp_input_nop;
5205 	u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5206 	const struct atomisp_in_fmt_conv *fc;
5207 	int ret, i;
5208 
5209 	v4l2_fh_init(&fh.vfh, vdev);
5210 
5211 	isp_sink_crop = atomisp_subdev_get_rect(
5212 			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5213 			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
5214 
5215 	format = atomisp_get_format_bridge(pix->pixelformat);
5216 	if (!format)
5217 		return -EINVAL;
5218 
5219 	if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
5220 	    isp->inputs[asd->input_curr].type != FILE_INPUT) {
5221 		mipi_info = atomisp_to_sensor_mipi_info(
5222 				isp->inputs[asd->input_curr].camera);
5223 		if (!mipi_info) {
5224 			dev_err(isp->dev, "mipi_info is NULL\n");
5225 			return -EINVAL;
5226 		}
5227 		if (atomisp_set_sensor_mipi_to_isp(asd, stream_index,
5228 						   mipi_info))
5229 			return -EINVAL;
5230 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5231 			 mipi_info->input_format);
5232 		if (!fc)
5233 			fc = atomisp_find_in_fmt_conv(
5234 				 atomisp_subdev_get_ffmt(&asd->subdev,
5235 							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5236 							 ATOMISP_SUBDEV_PAD_SINK)->code);
5237 		if (!fc)
5238 			return -EINVAL;
5239 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
5240 		    raw_output_format_match_input(fc->atomisp_in_fmt,
5241 						  pix->pixelformat))
5242 			return -EINVAL;
5243 	}
5244 
5245 	/*
5246 	 * Configure viewfinder also when vfpp is disabled: the
5247 	 * CSS still requires viewfinder configuration.
5248 	 */
5249 	if (asd->fmt_auto->val ||
5250 	    asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
5251 		struct v4l2_rect vf_size = {0};
5252 		struct v4l2_mbus_framefmt vf_ffmt = {0};
5253 
5254 		if (pix->width < 640 || pix->height < 480) {
5255 			vf_size.width = pix->width;
5256 			vf_size.height = pix->height;
5257 		} else {
5258 			vf_size.width = 640;
5259 			vf_size.height = 480;
5260 		}
5261 
5262 		/* FIXME: proper format name for this one. See
5263 		   atomisp_output_fmts[] in atomisp_v4l2.c */
5264 		vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
5265 
5266 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5267 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5268 					     ATOMISP_SUBDEV_PAD_SOURCE_VF,
5269 					     V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
5270 		atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5271 					V4L2_SUBDEV_FORMAT_ACTIVE,
5272 					ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
5273 		asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
5274 
5275 		if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5276 			atomisp_css_video_configure_viewfinder(asd,
5277 							       vf_size.width, vf_size.height, 0,
5278 							       asd->video_out_vf.sh_fmt);
5279 		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5280 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5281 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
5282 				atomisp_css_video_configure_viewfinder(asd,
5283 								       vf_size.width, vf_size.height, 0,
5284 								       asd->video_out_vf.sh_fmt);
5285 			else
5286 				atomisp_css_capture_configure_viewfinder(asd,
5287 					vf_size.width, vf_size.height, 0,
5288 					asd->video_out_vf.sh_fmt);
5289 		} else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5290 			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
5291 			atomisp_css_capture_configure_viewfinder(asd,
5292 				vf_size.width, vf_size.height, 0,
5293 				asd->video_out_vf.sh_fmt);
5294 		}
5295 	}
5296 
5297 	if (asd->continuous_mode->val) {
5298 		ret = __enable_continuous_mode(asd, true);
5299 		if (ret)
5300 			return -EINVAL;
5301 	}
5302 
5303 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5304 
5305 	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
5306 		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
5307 
5308 	/* ISP2401 new input system need to use copy pipe */
5309 	if (asd->copy_mode) {
5310 		pipe_id = IA_CSS_PIPE_ID_COPY;
5311 		atomisp_css_capture_enable_online(asd, stream_index, false);
5312 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5313 		/* video same in continuouscapture and online modes */
5314 		configure_output = atomisp_css_video_configure_output;
5315 		get_frame_info = atomisp_css_video_get_output_frame_info;
5316 		pipe_id = IA_CSS_PIPE_ID_VIDEO;
5317 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5318 		if (!asd->continuous_mode->val) {
5319 			configure_output = atomisp_css_video_configure_output;
5320 			get_frame_info =
5321 			    atomisp_css_video_get_output_frame_info;
5322 			pipe_id = IA_CSS_PIPE_ID_VIDEO;
5323 		} else {
5324 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5325 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5326 				configure_output =
5327 				    atomisp_css_video_configure_output;
5328 				get_frame_info =
5329 				    atomisp_css_video_get_output_frame_info;
5330 				configure_pp_input =
5331 				    atomisp_css_video_configure_pp_input;
5332 				pipe_id = IA_CSS_PIPE_ID_VIDEO;
5333 			} else {
5334 				configure_output =
5335 				    atomisp_css_capture_configure_output;
5336 				get_frame_info =
5337 				    atomisp_css_capture_get_output_frame_info;
5338 				configure_pp_input =
5339 				    atomisp_css_capture_configure_pp_input;
5340 				pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5341 
5342 				atomisp_update_capture_mode(asd);
5343 				atomisp_css_capture_enable_online(asd, stream_index, false);
5344 			}
5345 		}
5346 	} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5347 		configure_output = atomisp_css_preview_configure_output;
5348 		get_frame_info = atomisp_css_preview_get_output_frame_info;
5349 		configure_pp_input = atomisp_css_preview_configure_pp_input;
5350 		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
5351 	} else {
5352 		/* CSS doesn't support low light mode on SOC cameras, so disable
5353 		 * it. FIXME: if this is done elsewhere, it gives corrupted
5354 		 * colors into thumbnail image.
5355 		 */
5356 		if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5357 			asd->params.low_light = false;
5358 
5359 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5360 			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
5361 			atomisp_css_enable_dz(asd, false);
5362 		} else {
5363 			atomisp_update_capture_mode(asd);
5364 		}
5365 
5366 		if (!asd->continuous_mode->val)
5367 			/* in case of ANR, force capture pipe to offline mode */
5368 			atomisp_css_capture_enable_online(asd, stream_index,
5369 							  asd->params.low_light ?
5370 							  false : asd->params.online_process);
5371 
5372 		configure_output = atomisp_css_capture_configure_output;
5373 		get_frame_info = atomisp_css_capture_get_output_frame_info;
5374 		configure_pp_input = atomisp_css_capture_configure_pp_input;
5375 		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5376 
5377 		if (!asd->params.online_process &&
5378 		    !asd->continuous_mode->val) {
5379 			ret = atomisp_css_capture_get_output_raw_frame_info(asd,
5380 				raw_output_info);
5381 			if (ret)
5382 				return ret;
5383 		}
5384 		if (!asd->continuous_mode->val && asd->run_mode->val
5385 		    != ATOMISP_RUN_MODE_STILL_CAPTURE) {
5386 			dev_err(isp->dev,
5387 				"Need to set the running mode first\n");
5388 			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
5389 		}
5390 	}
5391 
5392 	/*
5393 	 * to SOC camera, use yuvpp pipe.
5394 	 */
5395 	if (ATOMISP_USE_YUVPP(asd))
5396 		pipe_id = IA_CSS_PIPE_ID_YUVPP;
5397 
5398 	if (asd->copy_mode)
5399 		ret = atomisp_css_copy_configure_output(asd, stream_index,
5400 							pix->width, pix->height,
5401 							format->planar ? pix->bytesperline :
5402 							pix->bytesperline * 8 / format->depth,
5403 							format->sh_fmt);
5404 	else
5405 		ret = configure_output(asd, pix->width, pix->height,
5406 				       format->planar ? pix->bytesperline :
5407 				       pix->bytesperline * 8 / format->depth,
5408 				       format->sh_fmt);
5409 	if (ret) {
5410 		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
5411 			pix->width, pix->height, format->sh_fmt);
5412 		return -EINVAL;
5413 	}
5414 
5415 	if (asd->continuous_mode->val &&
5416 	    (configure_pp_input == atomisp_css_preview_configure_pp_input ||
5417 	     configure_pp_input == atomisp_css_video_configure_pp_input)) {
5418 		/* for isp 2.2, configure pp input is available for continuous
5419 		 * mode */
5420 		ret = configure_pp_input(asd, isp_sink_crop->width,
5421 					 isp_sink_crop->height);
5422 		if (ret) {
5423 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5424 				isp_sink_crop->width,
5425 				isp_sink_crop->height);
5426 			return -EINVAL;
5427 		}
5428 	} else {
5429 		ret = configure_pp_input(asd, isp_sink_crop->width,
5430 					 isp_sink_crop->height);
5431 		if (ret) {
5432 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5433 				isp_sink_crop->width, isp_sink_crop->height);
5434 			return -EINVAL;
5435 		}
5436 	}
5437 	if (asd->copy_mode)
5438 		ret = atomisp_css_copy_get_output_frame_info(asd, stream_index,
5439 			output_info);
5440 	else
5441 		ret = get_frame_info(asd, output_info);
5442 	if (ret) {
5443 		dev_err(isp->dev, "get_frame_info %ux%u (padded to %u)\n",
5444 			pix->width, pix->height, pix->bytesperline);
5445 		return -EINVAL;
5446 	}
5447 
5448 	atomisp_update_grid_info(asd, pipe_id, source_pad);
5449 
5450 	/* Free the raw_dump buffer first */
5451 	ia_css_frame_free(asd->raw_output_frame);
5452 	asd->raw_output_frame = NULL;
5453 
5454 	if (!asd->continuous_mode->val &&
5455 	    !asd->params.online_process && !isp->sw_contex.file_input &&
5456 	    ia_css_frame_allocate_from_info(&asd->raw_output_frame,
5457 		    raw_output_info))
5458 		return -ENOMEM;
5459 
5460 	return 0;
5461 }
5462 
5463 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
5464 				    unsigned int width, unsigned int height,
5465 				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
5466 {
5467 	struct atomisp_device *isp = asd->isp;
5468 
5469 	/* if subdev type is SOC camera,we do not need to set DVS */
5470 	if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5471 		asd->params.video_dis_en = false;
5472 
5473 	if (asd->params.video_dis_en &&
5474 	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5475 		/* envelope is 20% of the output resolution */
5476 		/*
5477 		 * dvs envelope cannot be round up.
5478 		 * it would cause ISP timeout and color switch issue
5479 		 */
5480 		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5481 		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5482 	}
5483 
5484 	asd->params.dis_proj_data_valid = false;
5485 	asd->params.css_update_params_needed = true;
5486 }
5487 
5488 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5489 				    int source_pad, struct v4l2_format *f)
5490 {
5491 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5492 	struct v4l2_mbus_framefmt *sink, *src;
5493 
5494 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5495 				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5496 	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5497 				      V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5498 
5499 	if ((sink->code == src->code &&
5500 	     sink->width == f->fmt.pix.width &&
5501 	     sink->height == f->fmt.pix.height) ||
5502 	    ((asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5503 	     (asd->isp->inputs[asd->input_curr].camera_caps->
5504 	      sensor[asd->sensor_curr].stream_num > 1)))
5505 		asd->copy_mode = true;
5506 	else
5507 #endif
5508 		/* Only used for the new input system */
5509 		asd->copy_mode = false;
5510 
5511 	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5512 }
5513 
5514 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5515 				  struct v4l2_format *f, unsigned int pixelformat,
5516 				  unsigned int padding_w, unsigned int padding_h,
5517 				  unsigned int dvs_env_w, unsigned int dvs_env_h)
5518 {
5519 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5520 	const struct atomisp_format_bridge *format;
5521 	struct v4l2_subdev_pad_config pad_cfg;
5522 	struct v4l2_subdev_format vformat = {
5523 		.which = V4L2_SUBDEV_FORMAT_TRY,
5524 	};
5525 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5526 	struct v4l2_mbus_framefmt *req_ffmt;
5527 	struct atomisp_device *isp = asd->isp;
5528 	struct atomisp_input_stream_info *stream_info =
5529 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5530 	u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5531 	int source_pad = atomisp_subdev_source_pad(vdev);
5532 	struct v4l2_subdev_fh fh;
5533 	int ret;
5534 
5535 	v4l2_fh_init(&fh.vfh, vdev);
5536 
5537 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5538 
5539 	format = atomisp_get_format_bridge(pixelformat);
5540 	if (!format)
5541 		return -EINVAL;
5542 
5543 	v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format->mbus_code);
5544 	ffmt->height += padding_h + dvs_env_h;
5545 	ffmt->width += padding_w + dvs_env_w;
5546 
5547 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5548 		ffmt->width, ffmt->height, padding_w, padding_h,
5549 		dvs_env_w, dvs_env_h);
5550 
5551 	__atomisp_init_stream_info(stream_index, stream_info);
5552 
5553 	req_ffmt = ffmt;
5554 
5555 	/* Disable dvs if resolution can't be supported by sensor */
5556 	if (asd->params.video_dis_en &&
5557 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5558 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5559 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5560 				       pad, set_fmt, &pad_cfg, &vformat);
5561 		if (ret)
5562 			return ret;
5563 		if (ffmt->width < req_ffmt->width ||
5564 		    ffmt->height < req_ffmt->height) {
5565 			req_ffmt->height -= dvs_env_h;
5566 			req_ffmt->width -= dvs_env_w;
5567 			ffmt = req_ffmt;
5568 			dev_warn(isp->dev,
5569 				 "can not enable video dis due to sensor limitation.");
5570 			asd->params.video_dis_en = false;
5571 		}
5572 	}
5573 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5574 		ffmt->width, ffmt->height);
5575 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5576 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5577 			       set_fmt, NULL, &vformat);
5578 	if (ret)
5579 		return ret;
5580 
5581 	__atomisp_update_stream_env(asd, stream_index, stream_info);
5582 
5583 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5584 		ffmt->width, ffmt->height);
5585 
5586 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5587 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5588 		return -EINVAL;
5589 
5590 	if (asd->params.video_dis_en &&
5591 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5592 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5593 		dev_warn(isp->dev,
5594 			 "can not enable video dis due to sensor limitation.");
5595 		asd->params.video_dis_en = false;
5596 	}
5597 
5598 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5599 				V4L2_SUBDEV_FORMAT_ACTIVE,
5600 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5601 
5602 	return css_input_resolution_changed(asd, ffmt);
5603 }
5604 
5605 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5606 {
5607 	struct atomisp_device *isp = video_get_drvdata(vdev);
5608 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5609 	struct atomisp_sub_device *asd = pipe->asd;
5610 	const struct atomisp_format_bridge *format_bridge;
5611 	const struct atomisp_format_bridge *snr_format_bridge;
5612 	struct ia_css_frame_info output_info, raw_output_info;
5613 	struct v4l2_format snr_fmt = *f;
5614 	struct v4l2_format backup_fmt = *f, s_fmt = *f;
5615 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5616 	unsigned int padding_w = pad_w, padding_h = pad_h;
5617 	bool res_overflow = false, crop_needs_override = false;
5618 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5619 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5620 	struct v4l2_rect isp_sink_crop;
5621 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5622 	struct v4l2_subdev_fh fh;
5623 	int ret;
5624 
5625 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5626 		return -EINVAL;
5627 
5628 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5629 		dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5630 		return -EBUSY;
5631 	}
5632 
5633 	dev_dbg(isp->dev,
5634 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5635 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5636 		asd->index, f->fmt.pix.bytesperline);
5637 
5638 	v4l2_fh_init(&fh.vfh, vdev);
5639 
5640 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5641 	if (!format_bridge)
5642 		return -EINVAL;
5643 
5644 	pipe->sh_fmt = format_bridge->sh_fmt;
5645 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5646 
5647 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5648 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5649 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5650 		if (asd->fmt_auto->val) {
5651 			struct v4l2_rect *capture_comp;
5652 			struct v4l2_rect r = {0};
5653 
5654 			r.width = f->fmt.pix.width;
5655 			r.height = f->fmt.pix.height;
5656 
5657 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5658 				capture_comp = atomisp_subdev_get_rect(
5659 						   &asd->subdev, NULL,
5660 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5661 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5662 						   V4L2_SEL_TGT_COMPOSE);
5663 			else
5664 				capture_comp = atomisp_subdev_get_rect(
5665 						   &asd->subdev, NULL,
5666 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5667 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5668 						   V4L2_SEL_TGT_COMPOSE);
5669 
5670 			if (capture_comp->width < r.width
5671 			    || capture_comp->height < r.height) {
5672 				r.width = capture_comp->width;
5673 				r.height = capture_comp->height;
5674 			}
5675 
5676 			atomisp_subdev_set_selection(
5677 			    &asd->subdev, fh.pad,
5678 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5679 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5680 
5681 			f->fmt.pix.width = r.width;
5682 			f->fmt.pix.height = r.height;
5683 		}
5684 
5685 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5686 		    (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5687 		    (asd->isp->inputs[asd->input_curr].camera_caps->
5688 		     sensor[asd->sensor_curr].stream_num > 1)) {
5689 			/* For M10MO outputing YUV preview images. */
5690 			u16 video_index =
5691 			    atomisp_source_pad_to_stream_id(asd,
5692 							    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5693 
5694 			ret = atomisp_css_copy_get_output_frame_info(asd,
5695 				video_index, &output_info);
5696 			if (ret) {
5697 				dev_err(isp->dev,
5698 					"copy_get_output_frame_info ret %i", ret);
5699 				return -EINVAL;
5700 			}
5701 			if (!asd->yuvpp_mode) {
5702 				/*
5703 				 * If viewfinder was configured into copy_mode,
5704 				 * we switch to using yuvpp pipe instead.
5705 				 */
5706 				asd->yuvpp_mode = true;
5707 				ret = atomisp_css_copy_configure_output(
5708 					  asd, video_index, 0, 0, 0, 0);
5709 				if (ret) {
5710 					dev_err(isp->dev,
5711 						"failed to disable copy pipe");
5712 					return -EINVAL;
5713 				}
5714 				ret = atomisp_css_yuvpp_configure_output(
5715 					  asd, video_index,
5716 					  output_info.res.width,
5717 					  output_info.res.height,
5718 					  output_info.padded_width,
5719 					  output_info.format);
5720 				if (ret) {
5721 					dev_err(isp->dev,
5722 						"failed to set up yuvpp pipe\n");
5723 					return -EINVAL;
5724 				}
5725 				atomisp_css_video_enable_online(asd, false);
5726 				atomisp_css_preview_enable_online(asd,
5727 								  ATOMISP_INPUT_STREAM_GENERAL, false);
5728 			}
5729 			atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5730 							       f->fmt.pix.width, f->fmt.pix.height,
5731 							       format_bridge->planar ? f->fmt.pix.bytesperline
5732 							       : f->fmt.pix.bytesperline * 8
5733 							       / format_bridge->depth, format_bridge->sh_fmt);
5734 			atomisp_css_yuvpp_get_viewfinder_frame_info(
5735 			    asd, video_index, &output_info);
5736 		} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5737 			atomisp_css_video_configure_viewfinder(asd,
5738 							       f->fmt.pix.width, f->fmt.pix.height,
5739 							       format_bridge->planar ? f->fmt.pix.bytesperline
5740 							       : f->fmt.pix.bytesperline * 8
5741 							       / format_bridge->depth,	format_bridge->sh_fmt);
5742 			atomisp_css_video_get_viewfinder_frame_info(asd,
5743 				&output_info);
5744 			asd->copy_mode = false;
5745 		} else {
5746 			atomisp_css_capture_configure_viewfinder(asd,
5747 				f->fmt.pix.width, f->fmt.pix.height,
5748 				format_bridge->planar ? f->fmt.pix.bytesperline
5749 				: f->fmt.pix.bytesperline * 8
5750 				/ format_bridge->depth,	format_bridge->sh_fmt);
5751 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5752 				&output_info);
5753 			asd->copy_mode = false;
5754 		}
5755 
5756 		goto done;
5757 	}
5758 	/*
5759 	 * Check whether main resolution configured smaller
5760 	 * than snapshot resolution. If so, force main resolution
5761 	 * to be the same as snapshot resolution
5762 	 */
5763 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5764 		struct v4l2_rect *r;
5765 
5766 		r = atomisp_subdev_get_rect(
5767 			&asd->subdev, NULL,
5768 			V4L2_SUBDEV_FORMAT_ACTIVE,
5769 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5770 
5771 		if (r->width && r->height
5772 		    && (r->width > f->fmt.pix.width
5773 			|| r->height > f->fmt.pix.height))
5774 			dev_warn(isp->dev,
5775 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5776 	}
5777 
5778 	/* Pipeline configuration done through subdevs. Bail out now. */
5779 	if (!asd->fmt_auto->val)
5780 		goto set_fmt_to_isp;
5781 
5782 	/* get sensor resolution and format */
5783 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5784 	if (ret) {
5785 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5786 		return ret;
5787 	}
5788 	f->fmt.pix.width = snr_fmt.fmt.pix.width;
5789 	f->fmt.pix.height = snr_fmt.fmt.pix.height;
5790 
5791 	snr_format_bridge =
5792 	    atomisp_get_format_bridge(snr_fmt.fmt.pix.pixelformat);
5793 	if (!snr_format_bridge) {
5794 		dev_warn(isp->dev, "Can't find bridge format\n");
5795 		return -EINVAL;
5796 	}
5797 
5798 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5799 				V4L2_SUBDEV_FORMAT_ACTIVE,
5800 				ATOMISP_SUBDEV_PAD_SINK)->code =
5801 				    snr_format_bridge->mbus_code;
5802 
5803 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5804 						V4L2_SUBDEV_FORMAT_ACTIVE,
5805 						ATOMISP_SUBDEV_PAD_SINK);
5806 
5807 	isp_source_fmt.code = format_bridge->mbus_code;
5808 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5809 				V4L2_SUBDEV_FORMAT_ACTIVE,
5810 				source_pad, &isp_source_fmt);
5811 
5812 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5813 		padding_w = 0;
5814 		padding_h = 0;
5815 	} else if (IS_BYT) {
5816 		padding_w = 12;
5817 		padding_h = 12;
5818 	}
5819 
5820 	/* construct resolution supported by isp */
5821 	if (res_overflow && !asd->continuous_mode->val) {
5822 		f->fmt.pix.width = rounddown(
5823 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5824 					       ATOM_ISP_MIN_WIDTH,
5825 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5826 		f->fmt.pix.height = rounddown(
5827 					clamp_t(u32, f->fmt.pix.height - padding_h,
5828 						ATOM_ISP_MIN_HEIGHT,
5829 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5830 	}
5831 
5832 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5833 				&dvs_env_w, &dvs_env_h);
5834 
5835 	if (asd->continuous_mode->val) {
5836 		struct v4l2_rect *r;
5837 
5838 		r = atomisp_subdev_get_rect(
5839 			&asd->subdev, NULL,
5840 			V4L2_SUBDEV_FORMAT_ACTIVE,
5841 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5842 			V4L2_SEL_TGT_COMPOSE);
5843 		/*
5844 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5845 		 * properly set otherwise, it should not be the capture_pad.
5846 		 */
5847 		if (r->width && r->height)
5848 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5849 		else
5850 			asd->capture_pad = source_pad;
5851 	} else {
5852 		asd->capture_pad = source_pad;
5853 	}
5854 	/*
5855 	 * set format info to sensor
5856 	 * In continuous mode, resolution is set only if it is higher than
5857 	 * existing value. This because preview pipe will be configured after
5858 	 * capture pipe and usually has lower resolution than capture pipe.
5859 	 */
5860 	if (!asd->continuous_mode->val ||
5861 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5862 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5863 				    dvs_env_h)) {
5864 		/*
5865 		 * For jpeg or custom raw format the sensor will return constant
5866 		 * width and height. Because we already had quried try_mbus_fmt,
5867 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5868 		 * this fixed width and height. So we cannot select the correct
5869 		 * resolution with that information. So use the original width
5870 		 * and height while set_mbus_fmt() so actual resolutions are
5871 		 * being used in while set media bus format.
5872 		 */
5873 		s_fmt = *f;
5874 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5875 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5876 			s_fmt.fmt.pix.width = backup_fmt.fmt.pix.width;
5877 			s_fmt.fmt.pix.height = backup_fmt.fmt.pix.height;
5878 		}
5879 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5880 					     f->fmt.pix.pixelformat, padding_w,
5881 					     padding_h, dvs_env_w, dvs_env_h);
5882 		if (ret) {
5883 			dev_warn(isp->dev,
5884 				 "Set format to sensor failed with %d\n", ret);
5885 			return -EINVAL;
5886 		}
5887 
5888 		atomisp_csi_lane_config(isp);
5889 		crop_needs_override = true;
5890 	}
5891 
5892 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5893 	asd->yuvpp_mode = false;			/* Reset variable */
5894 
5895 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5896 			V4L2_SUBDEV_FORMAT_ACTIVE,
5897 			ATOMISP_SUBDEV_PAD_SINK,
5898 			V4L2_SEL_TGT_CROP);
5899 
5900 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5901 	 * width or height) bigger than the desired result. */
5902 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5903 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5904 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5905 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5906 	       !asd->continuous_mode->val) ||
5907 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5908 		/* for continuous mode, preview size might be smaller than
5909 		 * still capture size. if preview size still needs crop,
5910 		 * pick the larger one between crop size of preview and
5911 		 * still capture.
5912 		 */
5913 		if (asd->continuous_mode->val
5914 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5915 		    && !crop_needs_override) {
5916 			isp_sink_crop.width =
5917 			    max_t(unsigned int, f->fmt.pix.width,
5918 				  isp_sink_crop.width);
5919 			isp_sink_crop.height =
5920 			    max_t(unsigned int, f->fmt.pix.height,
5921 				  isp_sink_crop.height);
5922 		} else {
5923 			isp_sink_crop.width = f->fmt.pix.width;
5924 			isp_sink_crop.height = f->fmt.pix.height;
5925 		}
5926 
5927 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5928 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5929 					     ATOMISP_SUBDEV_PAD_SINK,
5930 					     V4L2_SEL_TGT_CROP,
5931 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5932 					     &isp_sink_crop);
5933 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5934 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5935 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5936 					     0, &isp_sink_crop);
5937 	} else if (IS_MOFD) {
5938 		struct v4l2_rect main_compose = {0};
5939 
5940 		main_compose.width = isp_sink_crop.width;
5941 		main_compose.height =
5942 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5943 				 f->fmt.pix.width);
5944 		if (main_compose.height > isp_sink_crop.height) {
5945 			main_compose.height = isp_sink_crop.height;
5946 			main_compose.width =
5947 			    DIV_ROUND_UP(main_compose.height *
5948 					 f->fmt.pix.width,
5949 					 f->fmt.pix.height);
5950 		}
5951 
5952 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5953 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5954 					     source_pad,
5955 					     V4L2_SEL_TGT_COMPOSE, 0,
5956 					     &main_compose);
5957 	} else {
5958 		struct v4l2_rect sink_crop = {0};
5959 		struct v4l2_rect main_compose = {0};
5960 
5961 		main_compose.width = f->fmt.pix.width;
5962 		main_compose.height = f->fmt.pix.height;
5963 
5964 		/* WORKAROUND: this override is universally enabled in
5965 		 * GMIN to work around a CTS failures (GMINL-539)
5966 		 * which appears to be related by a hardware
5967 		 * performance limitation.  It's unclear why this
5968 		 * particular code triggers the issue. */
5969 		if (!IS_ISP2401 || crop_needs_override) {
5970 			if (isp_sink_crop.width * main_compose.height >
5971 			    isp_sink_crop.height * main_compose.width) {
5972 				sink_crop.height = isp_sink_crop.height;
5973 				sink_crop.width = DIV_NEAREST_STEP(
5974 						      sink_crop.height *
5975 						      f->fmt.pix.width,
5976 						      f->fmt.pix.height,
5977 						      ATOM_ISP_STEP_WIDTH);
5978 			} else {
5979 				sink_crop.width = isp_sink_crop.width;
5980 				sink_crop.height = DIV_NEAREST_STEP(
5981 						       sink_crop.width *
5982 						       f->fmt.pix.height,
5983 						       f->fmt.pix.width,
5984 						       ATOM_ISP_STEP_HEIGHT);
5985 			}
5986 			atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5987 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5988 						     ATOMISP_SUBDEV_PAD_SINK,
5989 						     V4L2_SEL_TGT_CROP,
5990 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5991 						     &sink_crop);
5992 		}
5993 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5994 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5995 					     source_pad,
5996 					     V4L2_SEL_TGT_COMPOSE, 0,
5997 					     &main_compose);
5998 	}
5999 
6000 set_fmt_to_isp:
6001 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
6002 				     &f->fmt.pix, source_pad);
6003 	if (ret) {
6004 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
6005 		return -EINVAL;
6006 	}
6007 done:
6008 	pipe->pix.width = f->fmt.pix.width;
6009 	pipe->pix.height = f->fmt.pix.height;
6010 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
6011 	if (format_bridge->planar) {
6012 		pipe->pix.bytesperline = output_info.padded_width;
6013 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
6014 						 DIV_ROUND_UP(format_bridge->depth *
6015 							 output_info.padded_width, 8));
6016 	} else {
6017 		pipe->pix.bytesperline =
6018 		    DIV_ROUND_UP(format_bridge->depth *
6019 				 output_info.padded_width, 8);
6020 		pipe->pix.sizeimage =
6021 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
6022 	}
6023 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6024 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6025 
6026 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
6027 		f->fmt.pix.field = V4L2_FIELD_NONE;
6028 	pipe->pix.field = f->fmt.pix.field;
6029 
6030 	f->fmt.pix = pipe->pix;
6031 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6032 				     pipe->pix.height * 2);
6033 
6034 	pipe->capq.field = f->fmt.pix.field;
6035 
6036 	/*
6037 	 * If in video 480P case, no GFX throttle
6038 	 */
6039 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6040 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6041 		isp->need_gfx_throttle = false;
6042 	else
6043 		isp->need_gfx_throttle = true;
6044 
6045 	return 0;
6046 }
6047 
6048 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6049 {
6050 	struct atomisp_device *isp = video_get_drvdata(vdev);
6051 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6052 	struct atomisp_sub_device *asd = pipe->asd;
6053 	struct v4l2_mbus_framefmt ffmt = {0};
6054 	const struct atomisp_format_bridge *format_bridge;
6055 	struct v4l2_subdev_fh fh;
6056 	int ret;
6057 
6058 	v4l2_fh_init(&fh.vfh, vdev);
6059 
6060 	dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6061 		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6062 	ret = atomisp_try_fmt_file(isp, f);
6063 	if (ret) {
6064 		dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6065 		return ret;
6066 	}
6067 
6068 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6069 	if (!format_bridge) {
6070 		dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6071 			f->fmt.pix.pixelformat);
6072 		return -EINVAL;
6073 	}
6074 
6075 	pipe->pix = f->fmt.pix;
6076 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6077 	atomisp_css_input_configure_port(asd,
6078 					 __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6079 					 0, 0, 0, 0);
6080 	ffmt.width = f->fmt.pix.width;
6081 	ffmt.height = f->fmt.pix.height;
6082 	ffmt.code = format_bridge->mbus_code;
6083 
6084 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad, V4L2_SUBDEV_FORMAT_ACTIVE,
6085 				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6086 
6087 	return 0;
6088 }
6089 
6090 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6091 			      struct atomisp_shading_table *user_shading_table)
6092 {
6093 	struct ia_css_shading_table *shading_table;
6094 	struct ia_css_shading_table *free_table;
6095 	unsigned int len_table;
6096 	int i;
6097 	int ret = 0;
6098 
6099 	if (!user_shading_table)
6100 		return -EINVAL;
6101 
6102 	if (!user_shading_table->enable) {
6103 		asd->params.config.shading_table = NULL;
6104 		asd->params.sc_en = false;
6105 		return 0;
6106 	}
6107 
6108 	/* If enabling, all tables must be set */
6109 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6110 		if (!user_shading_table->data[i])
6111 			return -EINVAL;
6112 	}
6113 
6114 	/* Shading table size per color */
6115 	if (!IS_ISP2401) {
6116 		if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6117 		    user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6118 			return -EINVAL;
6119 	} else {
6120 		if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6121 		    user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6122 			return -EINVAL;
6123 	}
6124 
6125 	shading_table = atomisp_css_shading_table_alloc(
6126 			    user_shading_table->width, user_shading_table->height);
6127 	if (!shading_table)
6128 		return -ENOMEM;
6129 
6130 	len_table = user_shading_table->width * user_shading_table->height *
6131 		    ATOMISP_SC_TYPE_SIZE;
6132 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6133 		ret = copy_from_user(shading_table->data[i],
6134 				     (void __user *)user_shading_table->data[i],
6135 				     len_table);
6136 		if (ret) {
6137 			free_table = shading_table;
6138 			ret = -EFAULT;
6139 			goto out;
6140 		}
6141 	}
6142 	shading_table->sensor_width = user_shading_table->sensor_width;
6143 	shading_table->sensor_height = user_shading_table->sensor_height;
6144 	shading_table->fraction_bits = user_shading_table->fraction_bits;
6145 
6146 	free_table = asd->params.css_param.shading_table;
6147 	asd->params.css_param.shading_table = shading_table;
6148 	asd->params.config.shading_table = shading_table;
6149 	asd->params.sc_en = true;
6150 
6151 out:
6152 	if (free_table)
6153 		atomisp_css_shading_table_free(free_table);
6154 
6155 	return ret;
6156 }
6157 
6158 /*Turn off ISP dphy */
6159 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6160 {
6161 	unsigned long flags;
6162 	u32 reg;
6163 
6164 	dev_dbg(isp->dev, "%s\n", __func__);
6165 
6166 	/* if ISP timeout, we can force powerdown */
6167 	if (isp->isp_timeout)
6168 		goto done;
6169 
6170 	if (!atomisp_dev_users(isp))
6171 		goto done;
6172 
6173 	spin_lock_irqsave(&isp->lock, flags);
6174 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6175 	spin_unlock_irqrestore(&isp->lock, flags);
6176 done:
6177 	/*
6178 	 * MRFLD IUNIT DPHY is located in an always-power-on island
6179 	 * MRFLD HW design need all CSI ports are disabled before
6180 	 * powering down the IUNIT.
6181 	 */
6182 	pci_read_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6183 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6184 	pci_write_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, reg);
6185 	return 0;
6186 }
6187 
6188 /*Turn on ISP dphy */
6189 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6190 {
6191 	unsigned long flags;
6192 
6193 	dev_dbg(isp->dev, "%s\n", __func__);
6194 
6195 	spin_lock_irqsave(&isp->lock, flags);
6196 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6197 	spin_unlock_irqrestore(&isp->lock, flags);
6198 
6199 	return 0;
6200 }
6201 
6202 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6203 			   struct atomisp_makernote_info *config)
6204 {
6205 	struct v4l2_control ctrl;
6206 	struct atomisp_device *isp = asd->isp;
6207 
6208 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6209 	if (v4l2_g_ctrl
6210 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6211 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6212 		return -EINVAL;
6213 	} else {
6214 		config->focal_length = ctrl.value;
6215 	}
6216 
6217 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6218 	if (v4l2_g_ctrl
6219 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6220 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6221 		return -EINVAL;
6222 	} else {
6223 		config->f_number_curr = ctrl.value;
6224 	}
6225 
6226 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
6227 	if (v4l2_g_ctrl
6228 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6229 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6230 		return -EINVAL;
6231 	} else {
6232 		config->f_number_range = ctrl.value;
6233 	}
6234 
6235 	return 0;
6236 }
6237 
6238 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6239 				      struct atomisp_cont_capture_conf *cvf_config)
6240 {
6241 	struct v4l2_ctrl *c;
6242 
6243 	/*
6244 	* In case of M10MO ZSL capture case, we need to issue a separate
6245 	* capture request to M10MO which will output captured jpeg image
6246 	*/
6247 	c = v4l2_ctrl_find(
6248 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6249 		V4L2_CID_START_ZSL_CAPTURE);
6250 	if (c) {
6251 		int ret;
6252 
6253 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6254 			__func__);
6255 		/* TODO: use the cvf_config */
6256 		ret = v4l2_ctrl_s_ctrl(c, 1);
6257 		if (ret)
6258 			return ret;
6259 
6260 		return v4l2_ctrl_s_ctrl(c, 0);
6261 	}
6262 
6263 	asd->params.offline_parm = *cvf_config;
6264 
6265 	if (asd->params.offline_parm.num_captures) {
6266 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6267 			unsigned int init_raw_num;
6268 
6269 			if (asd->enable_raw_buffer_lock->val) {
6270 				init_raw_num =
6271 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6272 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6273 				    asd->params.video_dis_en)
6274 					init_raw_num +=
6275 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6276 			} else {
6277 				init_raw_num =
6278 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6279 			}
6280 
6281 			/* TODO: this can be removed once user-space
6282 			 *       has been updated to use control API */
6283 			asd->continuous_raw_buffer_size->val =
6284 			    max_t(int,
6285 				  asd->continuous_raw_buffer_size->val,
6286 				  asd->params.offline_parm.
6287 				  num_captures + init_raw_num);
6288 			asd->continuous_raw_buffer_size->val =
6289 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
6290 				  asd->continuous_raw_buffer_size->val);
6291 		}
6292 		asd->continuous_mode->val = true;
6293 	} else {
6294 		asd->continuous_mode->val = false;
6295 		__enable_continuous_mode(asd, false);
6296 	}
6297 
6298 	return 0;
6299 }
6300 
6301 /*
6302  * set auto exposure metering window to camera sensor
6303  */
6304 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6305 			struct atomisp_ae_window *arg)
6306 {
6307 	struct atomisp_device *isp = asd->isp;
6308 	/* Coverity CID 298071 - initialzize struct */
6309 	struct v4l2_subdev_selection sel = { 0 };
6310 
6311 	sel.r.left = arg->x_left;
6312 	sel.r.top = arg->y_top;
6313 	sel.r.width = arg->x_right - arg->x_left + 1;
6314 	sel.r.height = arg->y_bottom - arg->y_top + 1;
6315 
6316 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6317 			     pad, set_selection, NULL, &sel)) {
6318 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
6319 		return -EINVAL;
6320 	}
6321 
6322 	return 0;
6323 }
6324 
6325 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6326 {
6327 	struct atomisp_device *isp = asd->isp;
6328 
6329 	if (num_frames < 0) {
6330 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6331 			num_frames);
6332 		return -EINVAL;
6333 	}
6334 	/* a requested flash is still in progress. */
6335 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6336 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6337 			__func__, asd->params.flash_state,
6338 			asd->params.num_flash_frames);
6339 		return -EBUSY;
6340 	}
6341 
6342 	asd->params.num_flash_frames = num_frames;
6343 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6344 	return 0;
6345 }
6346 
6347 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6348 				    uint16_t source_pad)
6349 {
6350 	int stream_id;
6351 	struct atomisp_device *isp = asd->isp;
6352 
6353 	if (isp->inputs[asd->input_curr].camera_caps->
6354 	    sensor[asd->sensor_curr].stream_num == 1)
6355 		return ATOMISP_INPUT_STREAM_GENERAL;
6356 
6357 	switch (source_pad) {
6358 	case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6359 		stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6360 		break;
6361 	case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6362 		stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6363 		break;
6364 	case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6365 		stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6366 		break;
6367 	case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6368 		stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6369 		break;
6370 	default:
6371 		stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6372 	}
6373 
6374 	return stream_id;
6375 }
6376 
6377 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6378 {
6379 	struct atomisp_sub_device *asd = pipe->asd;
6380 
6381 	if (pipe == &asd->video_out_vf)
6382 		return true;
6383 
6384 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6385 	    pipe == &asd->video_out_preview)
6386 		return true;
6387 
6388 	return false;
6389 }
6390 
6391 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6392 {
6393 	struct atomisp_device *isp = asd->isp;
6394 
6395 	if (!asd->enable_raw_buffer_lock->val) {
6396 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6397 		return -EINVAL;
6398 	}
6399 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6400 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6401 			__func__, exp_id, asd->streaming);
6402 		return -EINVAL;
6403 	}
6404 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6405 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6406 		return -EINVAL;
6407 	}
6408 	return 0;
6409 }
6410 
6411 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6412 {
6413 	unsigned long flags;
6414 
6415 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6416 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6417 	asd->raw_buffer_locked_count = 0;
6418 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6419 }
6420 
6421 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6422 {
6423 	int *bitmap, bit;
6424 	unsigned long flags;
6425 
6426 	if (__checking_exp_id(asd, exp_id))
6427 		return -EINVAL;
6428 
6429 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6430 	bit = exp_id % 32;
6431 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6432 	(*bitmap) |= (1 << bit);
6433 	asd->raw_buffer_locked_count++;
6434 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6435 
6436 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6437 		__func__, exp_id, asd->raw_buffer_locked_count);
6438 
6439 	/* Check if the raw buffer after next is still locked!!! */
6440 	exp_id += 2;
6441 	if (exp_id > ATOMISP_MAX_EXP_ID)
6442 		exp_id -= ATOMISP_MAX_EXP_ID;
6443 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6444 	bit = exp_id % 32;
6445 	if ((*bitmap) & (1 << bit)) {
6446 		int ret;
6447 
6448 		/* WORKAROUND unlock the raw buffer compulsively */
6449 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
6450 		if (ret) {
6451 			dev_err(asd->isp->dev,
6452 				"%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6453 				__func__, exp_id, ret);
6454 			return ret;
6455 		}
6456 
6457 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6458 		(*bitmap) &= ~(1 << bit);
6459 		asd->raw_buffer_locked_count--;
6460 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6461 		dev_warn(asd->isp->dev,
6462 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6463 			 __func__, exp_id, asd->raw_buffer_locked_count);
6464 	}
6465 	return 0;
6466 }
6467 
6468 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6469 {
6470 	int *bitmap, bit;
6471 	unsigned long flags;
6472 	int ret;
6473 
6474 	if (__checking_exp_id(asd, exp_id))
6475 		return -EINVAL;
6476 
6477 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6478 	bit = exp_id % 32;
6479 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6480 	ret = ((*bitmap) & (1 << bit));
6481 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6482 	return !ret;
6483 }
6484 
6485 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6486 {
6487 	int *bitmap, bit;
6488 	unsigned long flags;
6489 
6490 	if (__is_raw_buffer_locked(asd, exp_id))
6491 		return -EINVAL;
6492 
6493 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6494 	bit = exp_id % 32;
6495 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6496 	(*bitmap) &= ~(1 << bit);
6497 	asd->raw_buffer_locked_count--;
6498 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6499 
6500 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6501 		__func__, exp_id, asd->raw_buffer_locked_count);
6502 	return 0;
6503 }
6504 
6505 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
6506 {
6507 	struct atomisp_device *isp = asd->isp;
6508 	int value = *exp_id;
6509 	int ret;
6510 
6511 	ret = __is_raw_buffer_locked(asd, value);
6512 	if (ret) {
6513 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6514 		return -EINVAL;
6515 	}
6516 
6517 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6518 	ret = atomisp_css_exp_id_capture(asd, value);
6519 	if (ret) {
6520 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6521 		return -EIO;
6522 	}
6523 	return 0;
6524 }
6525 
6526 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6527 {
6528 	struct atomisp_device *isp = asd->isp;
6529 	int value = *exp_id;
6530 	int ret;
6531 
6532 	ret = __clear_raw_buffer_bitmap(asd, value);
6533 	if (ret) {
6534 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6535 		return -EINVAL;
6536 	}
6537 
6538 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6539 	ret = atomisp_css_exp_id_unlock(asd, value);
6540 	if (ret)
6541 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6542 			__func__, value, ret);
6543 
6544 	return ret;
6545 }
6546 
6547 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6548 				unsigned int *enable)
6549 {
6550 	bool value;
6551 
6552 	if (!enable)
6553 		return -EINVAL;
6554 
6555 	value = *enable > 0 ? true : false;
6556 
6557 	atomisp_en_dz_capt_pipe(asd, value);
6558 
6559 	return 0;
6560 }
6561 
6562 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6563 {
6564 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6565 		return -EINVAL;
6566 
6567 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6568 		__func__, *event);
6569 
6570 	switch (*event) {
6571 	case V4L2_EVENT_FRAME_SYNC:
6572 		atomisp_sof_event(asd);
6573 		break;
6574 	case V4L2_EVENT_FRAME_END:
6575 		atomisp_eof_event(asd, 0);
6576 		break;
6577 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6578 		atomisp_3a_stats_ready_event(asd, 0);
6579 		break;
6580 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6581 		atomisp_metadata_ready_event(asd, 0);
6582 		break;
6583 	default:
6584 		return -EINVAL;
6585 	}
6586 
6587 	return 0;
6588 }
6589 
6590 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6591 {
6592 	struct atomisp_sub_device *asd = pipe->asd;
6593 
6594 	if (ATOMISP_USE_YUVPP(asd))
6595 		return IA_CSS_PIPE_ID_YUVPP;
6596 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
6597 		return IA_CSS_PIPE_ID_VIDEO;
6598 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
6599 		return IA_CSS_PIPE_ID_CAPTURE;
6600 	else if (pipe == &asd->video_out_video_capture)
6601 		return IA_CSS_PIPE_ID_VIDEO;
6602 	else if (pipe == &asd->video_out_vf)
6603 		return IA_CSS_PIPE_ID_CAPTURE;
6604 	else if (pipe == &asd->video_out_preview) {
6605 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6606 			return IA_CSS_PIPE_ID_VIDEO;
6607 		else
6608 			return IA_CSS_PIPE_ID_PREVIEW;
6609 	} else if (pipe == &asd->video_out_capture) {
6610 		if (asd->copy_mode)
6611 			return IA_CSS_PIPE_ID_COPY;
6612 		else
6613 			return IA_CSS_PIPE_ID_CAPTURE;
6614 	}
6615 
6616 	/* fail through */
6617 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6618 		 __func__);
6619 	return IA_CSS_PIPE_ID_CAPTURE;
6620 }
6621 
6622 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6623 				  int *invalid_frame_num)
6624 {
6625 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6626 	struct atomisp_sub_device *asd = pipe->asd;
6627 	enum ia_css_pipe_id pipe_id;
6628 	struct ia_css_pipe_info p_info;
6629 	int ret;
6630 
6631 	if (asd->isp->inputs[asd->input_curr].camera_caps->
6632 	    sensor[asd->sensor_curr].stream_num > 1) {
6633 		/* External ISP */
6634 		*invalid_frame_num = 0;
6635 		return 0;
6636 	}
6637 
6638 	pipe_id = atomisp_get_pipe_id(pipe);
6639 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6640 		dev_warn(asd->isp->dev,
6641 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6642 			 __func__, pipe_id);
6643 		return -EINVAL;
6644 	}
6645 
6646 	ret = ia_css_pipe_get_info(
6647 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6648 		  .pipes[pipe_id], &p_info);
6649 	if (!ret) {
6650 		*invalid_frame_num = p_info.num_invalid_frames;
6651 		return 0;
6652 	} else {
6653 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6654 			 __func__, ret);
6655 		return -EINVAL;
6656 	}
6657 }
6658