1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  *
7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  *
19  */
20 #include <linux/errno.h>
21 #include <linux/firmware.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/io.h>
25 #include <linux/kernel.h>
26 #include <linux/kfifo.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/timer.h>
29 
30 #include <asm/iosf_mbi.h>
31 
32 #include <media/v4l2-event.h>
33 #include <media/videobuf-vmalloc.h>
34 
35 #define CREATE_TRACE_POINTS
36 #include "atomisp_trace_event.h"
37 
38 #include "atomisp_cmd.h"
39 #include "atomisp_common.h"
40 #include "atomisp_fops.h"
41 #include "atomisp_internal.h"
42 #include "atomisp_ioctl.h"
43 #include "atomisp-regs.h"
44 #include "atomisp_tables.h"
45 #include "atomisp_acc.h"
46 #include "atomisp_compat.h"
47 #include "atomisp_subdev.h"
48 #include "atomisp_dfs_tables.h"
49 
50 #include <hmm/hmm.h>
51 
52 #include "sh_css_hrt.h"
53 #include "sh_css_defs.h"
54 #include "system_global.h"
55 #include "sh_css_internal.h"
56 #include "sh_css_sp.h"
57 #include "gp_device.h"
58 #include "device_access.h"
59 #include "irq.h"
60 
61 #include "ia_css_types.h"
62 #include "ia_css_stream.h"
63 #include "ia_css_debug.h"
64 #include "bits.h"
65 
66 /* We should never need to run the flash for more than 2 frames.
67  * At 15fps this means 133ms. We set the timeout a bit longer.
68  * Each flash driver is supposed to set its own timeout, but
69  * just in case someone else changed the timeout, we set it
70  * here to make sure we don't damage the flash hardware. */
71 #define FLASH_TIMEOUT 800 /* ms */
72 
73 union host {
74 	struct {
75 		void *kernel_ptr;
76 		void __user *user_ptr;
77 		int size;
78 	} scalar;
79 	struct {
80 		void *hmm_ptr;
81 	} ptr;
82 };
83 
84 /*
85  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
86  * subdev->priv is set in mrst.c
87  */
88 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
89 {
90 	return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
91 }
92 
93 /*
94  * get struct atomisp_video_pipe from v4l2 video_device
95  */
96 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
97 {
98 	return (struct atomisp_video_pipe *)
99 	       container_of(dev, struct atomisp_video_pipe, vdev);
100 }
101 
102 /*
103  * get struct atomisp_acc_pipe from v4l2 video_device
104  */
105 struct atomisp_acc_pipe *atomisp_to_acc_pipe(struct video_device *dev)
106 {
107 	return (struct atomisp_acc_pipe *)
108 	       container_of(dev, struct atomisp_acc_pipe, vdev);
109 }
110 
111 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
112 {
113 	struct v4l2_subdev_frame_interval fi = { 0 };
114 	struct atomisp_device *isp = asd->isp;
115 
116 	unsigned short fps = 0;
117 	int ret;
118 
119 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
120 			       video, g_frame_interval, &fi);
121 
122 	if (!ret && fi.interval.numerator)
123 		fps = fi.interval.denominator / fi.interval.numerator;
124 
125 	return fps;
126 }
127 
128 /*
129  * DFS progress is shown as follows:
130  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
131  *    mode.
132  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
133  *    with proper rounding.
134  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
135  *    to 200MHz in ISPSSPM1.
136  * 4. Wait for FREQVALID to be cleared by P-Unit.
137  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
138  */
139 static int write_target_freq_to_hw(struct atomisp_device *isp,
140 				   unsigned int new_freq)
141 {
142 	unsigned int ratio, timeout, guar_ratio;
143 	u32 isp_sspm1 = 0;
144 	int i;
145 
146 	if (!isp->hpll_freq) {
147 		dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
148 		return -EINVAL;
149 	}
150 
151 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
152 	if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
153 		dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
154 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
155 			       isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
156 	}
157 
158 	ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
159 	guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
160 
161 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
162 	isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
163 
164 	for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
165 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
166 			       isp_sspm1
167 			       | ratio << ISP_REQ_FREQ_OFFSET
168 			       | 1 << ISP_FREQ_VALID_OFFSET
169 			       | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
170 
171 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
172 		timeout = 20;
173 		while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
174 			iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
175 			dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
176 			udelay(100);
177 			timeout--;
178 		}
179 
180 		if (timeout != 0)
181 			break;
182 	}
183 
184 	if (timeout == 0) {
185 		dev_err(isp->dev, "DFS failed due to HW error.\n");
186 		return -EINVAL;
187 	}
188 
189 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
190 	timeout = 10;
191 	while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
192 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
193 		dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
194 			new_freq);
195 		udelay(100);
196 		timeout--;
197 	}
198 	if (timeout == 0) {
199 		dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
200 		return -EINVAL;
201 	}
202 
203 	return 0;
204 }
205 
206 int atomisp_freq_scaling(struct atomisp_device *isp,
207 			 enum atomisp_dfs_mode mode,
208 			 bool force)
209 {
210 	struct pci_dev *pdev = to_pci_dev(isp->dev);
211 	/* FIXME! Only use subdev[0] status yet */
212 	struct atomisp_sub_device *asd = &isp->asd[0];
213 	const struct atomisp_dfs_config *dfs;
214 	unsigned int new_freq;
215 	struct atomisp_freq_scaling_rule curr_rules;
216 	int i, ret;
217 	unsigned short fps = 0;
218 
219 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP) {
220 		dev_err(isp->dev, "DFS cannot proceed due to no power.\n");
221 		return -EINVAL;
222 	}
223 
224 	if ((pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
225 	    ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
226 		isp->dfs = &dfs_config_cht_soc;
227 
228 	dfs = isp->dfs;
229 
230 	if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
231 	    dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
232 	    !dfs->dfs_table) {
233 		dev_err(isp->dev, "DFS configuration is invalid.\n");
234 		return -EINVAL;
235 	}
236 
237 	if (mode == ATOMISP_DFS_MODE_LOW) {
238 		new_freq = dfs->lowest_freq;
239 		goto done;
240 	}
241 
242 	if (mode == ATOMISP_DFS_MODE_MAX) {
243 		new_freq = dfs->highest_freq;
244 		goto done;
245 	}
246 
247 	fps = atomisp_get_sensor_fps(asd);
248 	if (fps == 0) {
249 		dev_info(isp->dev,
250 			 "Sensor didn't report FPS. Using DFS max mode.\n");
251 		new_freq = dfs->highest_freq;
252 		goto done;
253 	}
254 
255 	curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
256 	curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
257 	curr_rules.fps = fps;
258 	curr_rules.run_mode = asd->run_mode->val;
259 	/*
260 	 * For continuous mode, we need to make the capture setting applied
261 	 * since preview mode, because there is no chance to do this when
262 	 * starting image capture.
263 	 */
264 	if (asd->continuous_mode->val) {
265 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
266 			curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
267 		else
268 			curr_rules.run_mode =
269 			    ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
270 	}
271 
272 	/* search for the target frequency by looping freq rules*/
273 	for (i = 0; i < dfs->dfs_table_size; i++) {
274 		if (curr_rules.width != dfs->dfs_table[i].width &&
275 		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
276 			continue;
277 		if (curr_rules.height != dfs->dfs_table[i].height &&
278 		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
279 			continue;
280 		if (curr_rules.fps != dfs->dfs_table[i].fps &&
281 		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
282 			continue;
283 		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
284 		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
285 			continue;
286 		break;
287 	}
288 
289 	if (i == dfs->dfs_table_size)
290 		new_freq = dfs->max_freq_at_vmin;
291 	else
292 		new_freq = dfs->dfs_table[i].isp_freq;
293 
294 done:
295 	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
296 
297 	if ((new_freq == isp->sw_contex.running_freq) && !force)
298 		return 0;
299 
300 	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
301 
302 	ret = write_target_freq_to_hw(isp, new_freq);
303 	if (!ret) {
304 		isp->sw_contex.running_freq = new_freq;
305 		trace_ipu_pstate(new_freq, -1);
306 	}
307 	return ret;
308 }
309 
310 /*
311  * reset and restore ISP
312  */
313 int atomisp_reset(struct atomisp_device *isp)
314 {
315 	/* Reset ISP by power-cycling it */
316 	int ret = 0;
317 
318 	dev_dbg(isp->dev, "%s\n", __func__);
319 	atomisp_css_suspend(isp);
320 	ret = atomisp_runtime_suspend(isp->dev);
321 	if (ret < 0)
322 		dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
323 	ret = atomisp_mrfld_power_down(isp);
324 	if (ret < 0) {
325 		dev_err(isp->dev, "can not disable ISP power\n");
326 	} else {
327 		ret = atomisp_mrfld_power_up(isp);
328 		if (ret < 0)
329 			dev_err(isp->dev, "can not enable ISP power\n");
330 		ret = atomisp_runtime_resume(isp->dev);
331 		if (ret < 0)
332 			dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
333 	}
334 	ret = atomisp_css_resume(isp);
335 	if (ret)
336 		isp->isp_fatal_error = true;
337 
338 	return ret;
339 }
340 
341 /*
342  * interrupt disable functions
343  */
344 static void disable_isp_irq(enum hrt_isp_css_irq irq)
345 {
346 	irq_disable_channel(IRQ0_ID, irq);
347 
348 	if (irq != hrt_isp_css_irq_sp)
349 		return;
350 
351 	cnd_sp_irq_enable(SP0_ID, false);
352 }
353 
354 /*
355  * interrupt clean function
356  */
357 static void clear_isp_irq(enum hrt_isp_css_irq irq)
358 {
359 	irq_clear_all(IRQ0_ID);
360 }
361 
362 void atomisp_msi_irq_init(struct atomisp_device *isp)
363 {
364 	struct pci_dev *pdev = to_pci_dev(isp->dev);
365 	u32 msg32;
366 	u16 msg16;
367 
368 	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
369 	msg32 |= 1 << MSI_ENABLE_BIT;
370 	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
371 
372 	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
373 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
374 
375 	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
376 	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
377 		  PCI_COMMAND_INTX_DISABLE);
378 	pci_write_config_word(pdev, PCI_COMMAND, msg16);
379 }
380 
381 void atomisp_msi_irq_uninit(struct atomisp_device *isp)
382 {
383 	struct pci_dev *pdev = to_pci_dev(isp->dev);
384 	u32 msg32;
385 	u16 msg16;
386 
387 	pci_read_config_dword(pdev, PCI_MSI_CAPID, &msg32);
388 	msg32 &=  ~(1 << MSI_ENABLE_BIT);
389 	pci_write_config_dword(pdev, PCI_MSI_CAPID, msg32);
390 
391 	msg32 = 0x0;
392 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg32);
393 
394 	pci_read_config_word(pdev, PCI_COMMAND, &msg16);
395 	msg16 &= ~(PCI_COMMAND_MASTER);
396 	pci_write_config_word(pdev, PCI_COMMAND, msg16);
397 }
398 
399 static void atomisp_sof_event(struct atomisp_sub_device *asd)
400 {
401 	struct v4l2_event event = {0};
402 
403 	event.type = V4L2_EVENT_FRAME_SYNC;
404 	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
405 
406 	v4l2_event_queue(asd->subdev.devnode, &event);
407 }
408 
409 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
410 {
411 	struct v4l2_event event = {0};
412 
413 	event.type = V4L2_EVENT_FRAME_END;
414 	event.u.frame_sync.frame_sequence = exp_id;
415 
416 	v4l2_event_queue(asd->subdev.devnode, &event);
417 }
418 
419 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
420 	uint8_t exp_id)
421 {
422 	struct v4l2_event event = {0};
423 
424 	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
425 	event.u.frame_sync.frame_sequence = exp_id;
426 
427 	v4l2_event_queue(asd->subdev.devnode, &event);
428 }
429 
430 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
431 	enum atomisp_metadata_type md_type)
432 {
433 	struct v4l2_event event = {0};
434 
435 	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
436 	event.u.data[0] = md_type;
437 
438 	v4l2_event_queue(asd->subdev.devnode, &event);
439 }
440 
441 static void atomisp_reset_event(struct atomisp_sub_device *asd)
442 {
443 	struct v4l2_event event = {0};
444 
445 	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
446 
447 	v4l2_event_queue(asd->subdev.devnode, &event);
448 }
449 
450 static void print_csi_rx_errors(enum mipi_port_id port,
451 				struct atomisp_device *isp)
452 {
453 	u32 infos = 0;
454 
455 	atomisp_css_rx_get_irq_info(port, &infos);
456 
457 	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
458 	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
459 		dev_err(isp->dev, "  buffer overrun");
460 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
461 		dev_err(isp->dev, "  start-of-transmission error");
462 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
463 		dev_err(isp->dev, "  start-of-transmission sync error");
464 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
465 		dev_err(isp->dev, "  control error");
466 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
467 		dev_err(isp->dev, "  2 or more ECC errors");
468 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
469 		dev_err(isp->dev, "  CRC mismatch");
470 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
471 		dev_err(isp->dev, "  unknown error");
472 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
473 		dev_err(isp->dev, "  frame sync error");
474 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
475 		dev_err(isp->dev, "  frame data error");
476 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
477 		dev_err(isp->dev, "  data timeout");
478 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
479 		dev_err(isp->dev, "  unknown escape command entry");
480 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
481 		dev_err(isp->dev, "  line sync error");
482 }
483 
484 /* Clear irq reg */
485 static void clear_irq_reg(struct atomisp_device *isp)
486 {
487 	struct pci_dev *pdev = to_pci_dev(isp->dev);
488 	u32 msg_ret;
489 
490 	pci_read_config_dword(pdev, PCI_INTERRUPT_CTRL, &msg_ret);
491 	msg_ret |= 1 << INTR_IIR;
492 	pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, msg_ret);
493 }
494 
495 static struct atomisp_sub_device *
496 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
497 {
498 	int i;
499 
500 	/* Check which isp subdev to send eof */
501 	for (i = 0; i < isp->num_of_streams; i++) {
502 		struct atomisp_sub_device *asd = &isp->asd[i];
503 		struct camera_mipi_info *mipi_info;
504 
505 		mipi_info = atomisp_to_sensor_mipi_info(
506 				isp->inputs[asd->input_curr].camera);
507 
508 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
509 		    __get_mipi_port(isp, mipi_info->port) == port) {
510 			return asd;
511 		}
512 	}
513 
514 	return NULL;
515 }
516 
517 /* interrupt handling function*/
518 irqreturn_t atomisp_isr(int irq, void *dev)
519 {
520 	struct atomisp_device *isp = (struct atomisp_device *)dev;
521 	struct atomisp_sub_device *asd;
522 	struct atomisp_css_event eof_event;
523 	unsigned int irq_infos = 0;
524 	unsigned long flags;
525 	unsigned int i;
526 	int err;
527 
528 	spin_lock_irqsave(&isp->lock, flags);
529 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
530 	    !isp->css_initialized) {
531 		spin_unlock_irqrestore(&isp->lock, flags);
532 		return IRQ_HANDLED;
533 	}
534 	err = atomisp_css_irq_translate(isp, &irq_infos);
535 	if (err) {
536 		spin_unlock_irqrestore(&isp->lock, flags);
537 		return IRQ_NONE;
538 	}
539 
540 	clear_irq_reg(isp);
541 
542 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp))
543 		goto out_nowake;
544 
545 	for (i = 0; i < isp->num_of_streams; i++) {
546 		asd = &isp->asd[i];
547 
548 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
549 			continue;
550 		/*
551 		 * Current SOF only support one stream, so the SOF only valid
552 		 * either solely one stream is running
553 		 */
554 		if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
555 			atomic_inc(&asd->sof_count);
556 			atomisp_sof_event(asd);
557 
558 			/* If sequence_temp and sequence are the same
559 			 * there where no frames lost so we can increase
560 			 * sequence_temp.
561 			 * If not then processing of frame is still in progress
562 			 * and driver needs to keep old sequence_temp value.
563 			 * NOTE: There is assumption here that ISP will not
564 			 * start processing next frame from sensor before old
565 			 * one is completely done. */
566 			if (atomic_read(&asd->sequence) == atomic_read(
567 				&asd->sequence_temp))
568 				atomic_set(&asd->sequence_temp,
569 					   atomic_read(&asd->sof_count));
570 		}
571 		if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
572 			atomic_set(&asd->sequence,
573 				   atomic_read(&asd->sequence_temp));
574 	}
575 
576 	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
577 		dev_dbg_ratelimited(isp->dev,
578 				    "irq:0x%x (SOF)\n",
579 				    irq_infos);
580 		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
581 	}
582 
583 	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
584 	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
585 		/* handle mipi receiver error */
586 		u32 rx_infos;
587 		enum mipi_port_id port;
588 
589 		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
590 		     port++) {
591 			print_csi_rx_errors(port, isp);
592 			atomisp_css_rx_get_irq_info(port, &rx_infos);
593 			atomisp_css_rx_clear_irq_info(port, rx_infos);
594 		}
595 	}
596 
597 	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
598 		while (ia_css_dequeue_isys_event(&eof_event.event) ==
599 		       0) {
600 			/* EOF Event does not have the css_pipe returned */
601 			asd = __get_asd_from_port(isp, eof_event.event.port);
602 			if (!asd) {
603 				dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
604 					__func__, eof_event.event.type);
605 				continue;
606 			}
607 
608 			atomisp_eof_event(asd, eof_event.event.exp_id);
609 			dev_dbg_ratelimited(isp->dev,
610 					    "%s ISYS event: EOF exp_id %d, asd %d\n",
611 					    __func__, eof_event.event.exp_id,
612 					    asd->index);
613 		}
614 
615 		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
616 		if (irq_infos == 0)
617 			goto out_nowake;
618 	}
619 
620 	spin_unlock_irqrestore(&isp->lock, flags);
621 
622 	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
623 
624 	return IRQ_WAKE_THREAD;
625 
626 out_nowake:
627 	spin_unlock_irqrestore(&isp->lock, flags);
628 
629 	if (irq_infos)
630 		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
631 				    irq_infos);
632 
633 	return IRQ_HANDLED;
634 }
635 
636 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
637 {
638 	int i;
639 
640 	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
641 	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
642 		memset(asd->metadata_bufs_in_css[i], 0,
643 		       sizeof(asd->metadata_bufs_in_css[i]));
644 	asd->dis_bufs_in_css = 0;
645 	asd->video_out_capture.buffers_in_css = 0;
646 	asd->video_out_vf.buffers_in_css = 0;
647 	asd->video_out_preview.buffers_in_css = 0;
648 	asd->video_out_video_capture.buffers_in_css = 0;
649 }
650 
651 /* ISP2400 */
652 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
653 {
654 	return asd->video_out_capture.buffers_in_css ||
655 	       asd->video_out_vf.buffers_in_css ||
656 	       asd->video_out_preview.buffers_in_css ||
657 	       asd->video_out_video_capture.buffers_in_css;
658 }
659 
660 /* ISP2401 */
661 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
662 {
663 	return pipe->buffers_in_css ? true : false;
664 }
665 
666 /* 0x100000 is the start of dmem inside SP */
667 #define SP_DMEM_BASE	0x100000
668 
669 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
670 		  unsigned int size)
671 {
672 	unsigned int data = 0;
673 	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
674 
675 	dev_dbg(isp->dev, "atomisp mmio base: %p\n", isp->base);
676 	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
677 		addr, size, size32);
678 	if (size32 * 4 + addr > 0x4000) {
679 		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
680 			size32, addr);
681 		return;
682 	}
683 	addr += SP_DMEM_BASE;
684 	addr &= 0x003FFFFF;
685 	do {
686 		data = readl(isp->base + addr);
687 		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
688 		addr += sizeof(u32);
689 	} while (--size32);
690 }
691 
692 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
693     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
694 {
695 	struct videobuf_vmalloc_memory *vm_mem;
696 	struct ia_css_frame *handle;
697 	int i;
698 
699 	for (i = 0; pipe->capq.bufs[i]; i++) {
700 		vm_mem = pipe->capq.bufs[i]->priv;
701 		handle = vm_mem->vaddr;
702 		if (handle && handle->data == frame->data)
703 			return pipe->capq.bufs[i];
704 	}
705 
706 	return NULL;
707 }
708 
709 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
710 				     struct atomisp_video_pipe *pipe)
711 {
712 	unsigned long irqflags;
713 	int i;
714 
715 	if (!pipe->users)
716 		return;
717 
718 	for (i = 0; pipe->capq.bufs[i]; i++) {
719 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
720 		if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
721 		    pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
722 			pipe->capq.bufs[i]->ts = ktime_get_ns();
723 			pipe->capq.bufs[i]->field_count =
724 			    atomic_read(&asd->sequence) << 1;
725 			dev_dbg(asd->isp->dev, "release buffers on device %s\n",
726 				pipe->vdev.name);
727 			if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
728 				list_del_init(&pipe->capq.bufs[i]->queue);
729 			pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
730 			wake_up(&pipe->capq.bufs[i]->done);
731 		}
732 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
733 	}
734 }
735 
736 /* Returns queued buffers back to video-core */
737 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
738 {
739 	atomisp_flush_video_pipe(asd, &asd->video_out_capture);
740 	atomisp_flush_video_pipe(asd, &asd->video_out_vf);
741 	atomisp_flush_video_pipe(asd, &asd->video_out_preview);
742 	atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
743 }
744 
745 /* clean out the parameters that did not apply */
746 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
747 {
748 	struct atomisp_css_params_with_list *param;
749 
750 	while (!list_empty(&pipe->per_frame_params)) {
751 		param = list_entry(pipe->per_frame_params.next,
752 				   struct atomisp_css_params_with_list, list);
753 		list_del(&param->list);
754 		atomisp_free_css_parameters(&param->params);
755 		kvfree(param);
756 	}
757 }
758 
759 /* Re-queue per-frame parameters */
760 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
761 {
762 	struct atomisp_css_params_with_list *param;
763 	int i;
764 
765 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
766 		param = pipe->frame_params[i];
767 		if (param)
768 			list_add_tail(&param->list, &pipe->per_frame_params);
769 		pipe->frame_params[i] = NULL;
770 	}
771 	atomisp_handle_parameter_and_buffer(pipe);
772 }
773 
774 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
775 static struct atomisp_video_pipe *__atomisp_get_pipe(
776     struct atomisp_sub_device *asd,
777     enum atomisp_input_stream_id stream_id,
778     enum ia_css_pipe_id css_pipe_id,
779     enum ia_css_buffer_type buf_type)
780 {
781 	struct atomisp_device *isp = asd->isp;
782 
783 	if (css_pipe_id == IA_CSS_PIPE_ID_COPY &&
784 	    isp->inputs[asd->input_curr].camera_caps->
785 	    sensor[asd->sensor_curr].stream_num > 1) {
786 		switch (stream_id) {
787 		case ATOMISP_INPUT_STREAM_PREVIEW:
788 			return &asd->video_out_preview;
789 		case ATOMISP_INPUT_STREAM_POSTVIEW:
790 			return &asd->video_out_vf;
791 		case ATOMISP_INPUT_STREAM_VIDEO:
792 			return &asd->video_out_video_capture;
793 		case ATOMISP_INPUT_STREAM_CAPTURE:
794 		default:
795 			return &asd->video_out_capture;
796 		}
797 	}
798 
799 	/* video is same in online as in continuouscapture mode */
800 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
801 		/*
802 		 * Disable vf_pp and run CSS in still capture mode. In this
803 		 * mode, CSS does not cause extra latency with buffering, but
804 		 * scaling is not available.
805 		 */
806 		return &asd->video_out_capture;
807 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
808 		/*
809 		 * Disable vf_pp and run CSS in video mode. This allows using
810 		 * ISP scaling but it has one frame delay due to CSS internal
811 		 * buffering.
812 		 */
813 		return &asd->video_out_video_capture;
814 	} else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
815 		/*
816 		 * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
817 		 */
818 		if (asd->continuous_mode->val) {
819 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
820 				/* SDV case */
821 				switch (buf_type) {
822 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
823 					return &asd->video_out_video_capture;
824 				case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
825 					return &asd->video_out_preview;
826 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
827 					return &asd->video_out_capture;
828 				default:
829 					return &asd->video_out_vf;
830 				}
831 			} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
832 				/* ZSL case */
833 				switch (buf_type) {
834 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
835 					return &asd->video_out_preview;
836 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
837 					return &asd->video_out_capture;
838 				default:
839 					return &asd->video_out_vf;
840 				}
841 			}
842 		} else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
843 			switch (asd->run_mode->val) {
844 			case ATOMISP_RUN_MODE_VIDEO:
845 				return &asd->video_out_video_capture;
846 			case ATOMISP_RUN_MODE_PREVIEW:
847 				return &asd->video_out_preview;
848 			default:
849 				return &asd->video_out_capture;
850 			}
851 		} else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
852 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
853 				return &asd->video_out_preview;
854 			else
855 				return &asd->video_out_vf;
856 		}
857 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
858 		/* For online video or SDV video pipe. */
859 		if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
860 		    css_pipe_id == IA_CSS_PIPE_ID_COPY) {
861 			if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
862 				return &asd->video_out_video_capture;
863 			return &asd->video_out_preview;
864 		}
865 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
866 		/* For online preview or ZSL preview pipe. */
867 		if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
868 		    css_pipe_id == IA_CSS_PIPE_ID_COPY)
869 			return &asd->video_out_preview;
870 	}
871 	/* For capture pipe. */
872 	if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
873 		return &asd->video_out_vf;
874 	return &asd->video_out_capture;
875 }
876 
877 enum atomisp_metadata_type
878 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
879 			  enum ia_css_pipe_id pipe_id)
880 {
881 	if (!asd->continuous_mode->val)
882 		return ATOMISP_MAIN_METADATA;
883 
884 	if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
885 		return ATOMISP_SEC_METADATA;
886 	else
887 		return ATOMISP_MAIN_METADATA;
888 }
889 
890 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
891 		      enum ia_css_buffer_type buf_type,
892 		      enum ia_css_pipe_id css_pipe_id,
893 		      bool q_buffers, enum atomisp_input_stream_id stream_id)
894 {
895 	struct videobuf_buffer *vb = NULL;
896 	struct atomisp_video_pipe *pipe = NULL;
897 	struct atomisp_css_buffer buffer;
898 	bool requeue = false;
899 	int err;
900 	unsigned long irqflags;
901 	struct ia_css_frame *frame = NULL;
902 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp;
903 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp;
904 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp;
905 	enum atomisp_metadata_type md_type;
906 	struct atomisp_device *isp = asd->isp;
907 	struct v4l2_control ctrl;
908 	bool reset_wdt_timer = false;
909 
910 	if (
911 	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
912 	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
913 	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
914 	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
915 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
916 	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
917 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
918 	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
919 		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
920 			__func__, buf_type);
921 		return;
922 	}
923 
924 	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
925 	buffer.css_buffer.type = buf_type;
926 	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
927 					 buf_type, &buffer);
928 	if (err) {
929 		dev_err(isp->dev,
930 			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
931 		return;
932 	}
933 
934 	/* need to know the atomisp pipe for frame buffers */
935 	pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
936 	if (!pipe) {
937 		dev_err(isp->dev, "error getting atomisp pipe\n");
938 		return;
939 	}
940 
941 	switch (buf_type) {
942 	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
943 		list_for_each_entry_safe(s3a_buf, _s3a_buf_tmp,
944 					 &asd->s3a_stats_in_css, list) {
945 			if (s3a_buf->s3a_data ==
946 			    buffer.css_buffer.data.stats_3a) {
947 				list_del_init(&s3a_buf->list);
948 				list_add_tail(&s3a_buf->list,
949 					      &asd->s3a_stats_ready);
950 				break;
951 			}
952 		}
953 
954 		asd->s3a_bufs_in_css[css_pipe_id]--;
955 		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
956 		dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
957 			__func__, s3a_buf->s3a_data->exp_id);
958 		break;
959 	case IA_CSS_BUFFER_TYPE_METADATA:
960 		if (error)
961 			break;
962 
963 		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
964 		list_for_each_entry_safe(md_buf, _md_buf_tmp,
965 					 &asd->metadata_in_css[md_type], list) {
966 			if (md_buf->metadata ==
967 			    buffer.css_buffer.data.metadata) {
968 				list_del_init(&md_buf->list);
969 				list_add_tail(&md_buf->list,
970 					      &asd->metadata_ready[md_type]);
971 				break;
972 			}
973 		}
974 		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
975 		atomisp_metadata_ready_event(asd, md_type);
976 		dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
977 			__func__, md_buf->metadata->exp_id);
978 		break;
979 	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
980 		list_for_each_entry_safe(dis_buf, _dis_buf_tmp,
981 					 &asd->dis_stats_in_css, list) {
982 			if (dis_buf->dis_data ==
983 			    buffer.css_buffer.data.stats_dvs) {
984 				spin_lock_irqsave(&asd->dis_stats_lock,
985 						  irqflags);
986 				list_del_init(&dis_buf->list);
987 				list_add(&dis_buf->list, &asd->dis_stats);
988 				asd->params.dis_proj_data_valid = true;
989 				spin_unlock_irqrestore(&asd->dis_stats_lock,
990 						       irqflags);
991 				break;
992 			}
993 		}
994 		asd->dis_bufs_in_css--;
995 		dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
996 			__func__, dis_buf->dis_data->exp_id);
997 		break;
998 	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
999 	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
1000 		if (IS_ISP2401)
1001 			reset_wdt_timer = true;
1002 
1003 		pipe->buffers_in_css--;
1004 		frame = buffer.css_buffer.data.frame;
1005 		if (!frame) {
1006 			WARN_ON(1);
1007 			break;
1008 		}
1009 		if (!frame->valid)
1010 			error = true;
1011 
1012 		/* FIXME:
1013 		 * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1014 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1015 		 */
1016 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1017 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1018 			frame->exp_id = (asd->postview_exp_id++) %
1019 					(ATOMISP_MAX_EXP_ID + 1);
1020 
1021 		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1022 			__func__, frame->exp_id);
1023 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1024 			if (frame->flash_state
1025 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1026 				dev_dbg(isp->dev, "%s thumb partially flashed\n",
1027 					__func__);
1028 			else if (frame->flash_state
1029 				 == IA_CSS_FRAME_FLASH_STATE_FULL)
1030 				dev_dbg(isp->dev, "%s thumb completely flashed\n",
1031 					__func__);
1032 			else
1033 				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1034 					__func__);
1035 		}
1036 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1037 		WARN_ON(!vb);
1038 		if (vb)
1039 			pipe->frame_config_id[vb->i] = frame->isp_config_id;
1040 		if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1041 		    asd->pending_capture_request > 0) {
1042 			err = atomisp_css_offline_capture_configure(asd,
1043 				asd->params.offline_parm.num_captures,
1044 				asd->params.offline_parm.skip_frames,
1045 				asd->params.offline_parm.offset);
1046 
1047 			asd->pending_capture_request--;
1048 
1049 			if (IS_ISP2401)
1050 				asd->re_trigger_capture = false;
1051 
1052 			dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1053 				err);
1054 		} else if (IS_ISP2401) {
1055 			asd->re_trigger_capture = true;
1056 		}
1057 		break;
1058 	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1059 	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1060 		if (IS_ISP2401)
1061 			reset_wdt_timer = true;
1062 
1063 		pipe->buffers_in_css--;
1064 		frame = buffer.css_buffer.data.frame;
1065 		if (!frame) {
1066 			WARN_ON(1);
1067 			break;
1068 		}
1069 
1070 		if (!frame->valid)
1071 			error = true;
1072 
1073 		/* FIXME:
1074 		 * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1075 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1076 		 */
1077 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1078 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1079 			frame->exp_id = (asd->preview_exp_id++) %
1080 					(ATOMISP_MAX_EXP_ID + 1);
1081 
1082 		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1083 			__func__, frame->exp_id);
1084 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1085 		if (!vb) {
1086 			WARN_ON(1);
1087 			break;
1088 		}
1089 
1090 		/* free the parameters */
1091 		if (pipe->frame_params[vb->i]) {
1092 			if (asd->params.dvs_6axis ==
1093 			    pipe->frame_params[vb->i]->params.dvs_6axis)
1094 				asd->params.dvs_6axis = NULL;
1095 			atomisp_free_css_parameters(
1096 			    &pipe->frame_params[vb->i]->params);
1097 			kvfree(pipe->frame_params[vb->i]);
1098 			pipe->frame_params[vb->i] = NULL;
1099 		}
1100 
1101 		pipe->frame_config_id[vb->i] = frame->isp_config_id;
1102 		ctrl.id = V4L2_CID_FLASH_MODE;
1103 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1104 			if (frame->flash_state
1105 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1106 				asd->frame_status[vb->i] =
1107 				    ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1108 				dev_dbg(isp->dev, "%s partially flashed\n",
1109 					__func__);
1110 			} else if (frame->flash_state
1111 				   == IA_CSS_FRAME_FLASH_STATE_FULL) {
1112 				asd->frame_status[vb->i] =
1113 				    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1114 				asd->params.num_flash_frames--;
1115 				dev_dbg(isp->dev, "%s completely flashed\n",
1116 					__func__);
1117 			} else {
1118 				asd->frame_status[vb->i] =
1119 				    ATOMISP_FRAME_STATUS_OK;
1120 				dev_dbg(isp->dev,
1121 					"%s no flash in this frame\n",
1122 					__func__);
1123 			}
1124 
1125 			/* Check if flashing sequence is done */
1126 			if (asd->frame_status[vb->i] ==
1127 			    ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1128 				asd->params.flash_state = ATOMISP_FLASH_DONE;
1129 		} else if (isp->flash) {
1130 			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1131 			    0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1132 				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1133 				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1134 				    == 0 && ctrl.value > 0) {
1135 					asd->frame_status[vb->i] =
1136 					    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1137 				} else {
1138 					asd->frame_status[vb->i] =
1139 					    ATOMISP_FRAME_STATUS_OK;
1140 				}
1141 			} else {
1142 				asd->frame_status[vb->i] =
1143 				    ATOMISP_FRAME_STATUS_OK;
1144 			}
1145 		} else {
1146 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1147 		}
1148 
1149 		asd->params.last_frame_status = asd->frame_status[vb->i];
1150 
1151 		if (asd->continuous_mode->val) {
1152 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1153 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1154 				asd->latest_preview_exp_id = frame->exp_id;
1155 			} else if (css_pipe_id ==
1156 				   IA_CSS_PIPE_ID_CAPTURE) {
1157 				if (asd->run_mode->val ==
1158 				    ATOMISP_RUN_MODE_VIDEO)
1159 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1160 						frame->exp_id);
1161 				else
1162 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1163 						frame->exp_id);
1164 			}
1165 		}
1166 		/*
1167 		 * Only after enabled the raw buffer lock
1168 		 * and in continuous mode.
1169 		 * in preview/video pipe, each buffer will
1170 		 * be locked automatically, so record it here.
1171 		 */
1172 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1173 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1174 		    asd->enable_raw_buffer_lock->val &&
1175 		    asd->continuous_mode->val) {
1176 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1177 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1178 		}
1179 
1180 		if (asd->params.css_update_params_needed) {
1181 			atomisp_apply_css_parameters(asd,
1182 						     &asd->params.css_param);
1183 			if (asd->params.css_param.update_flag.dz_config)
1184 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1185 			/* New global dvs 6axis config should be blocked
1186 			 * here if there's a buffer with per-frame parameters
1187 			 * pending in CSS frame buffer queue.
1188 			 * This is to aviod zooming vibration since global
1189 			 * parameters take effect immediately while
1190 			 * per-frame parameters are taken after previous
1191 			 * buffers in CSS got processed.
1192 			 */
1193 			if (asd->params.dvs_6axis)
1194 				atomisp_css_set_dvs_6axis(asd,
1195 							  asd->params.dvs_6axis);
1196 			else
1197 				asd->params.css_update_params_needed = false;
1198 			/* The update flag should not be cleaned here
1199 			 * since it is still going to be used to make up
1200 			 * following per-frame parameters.
1201 			 * This will introduce more copy work since each
1202 			 * time when updating global parameters, the whole
1203 			 * parameter set are applied.
1204 			 * FIXME: A new set of parameter copy functions can
1205 			 * be added to make up per-frame parameters based on
1206 			 * solid structures stored in asd->params.css_param
1207 			 * instead of using shadow pointers in update flag.
1208 			 */
1209 			atomisp_css_update_isp_params(asd);
1210 		}
1211 		break;
1212 	default:
1213 		break;
1214 	}
1215 	if (vb) {
1216 		vb->ts = ktime_get_ns();
1217 		vb->field_count = atomic_read(&asd->sequence) << 1;
1218 		/*mark videobuffer done for dequeue*/
1219 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1220 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1221 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1222 
1223 		/*
1224 		 * Frame capture done, wake up any process block on
1225 		 * current active buffer
1226 		 * possibly hold by videobuf_dqbuf()
1227 		 */
1228 		wake_up(&vb->done);
1229 	}
1230 	if (IS_ISP2401)
1231 		atomic_set(&pipe->wdt_count, 0);
1232 
1233 	/*
1234 	 * Requeue should only be done for 3a and dis buffers.
1235 	 * Queue/dequeue order will change if driver recycles image buffers.
1236 	 */
1237 	if (requeue) {
1238 		err = atomisp_css_queue_buffer(asd,
1239 					       stream_id, css_pipe_id,
1240 					       buf_type, &buffer);
1241 		if (err)
1242 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1243 				__func__, err);
1244 		return;
1245 	}
1246 	if (!error && q_buffers)
1247 		atomisp_qbuffers_to_css(asd);
1248 
1249 	if (IS_ISP2401) {
1250 		/* If there are no buffers queued then
1251 		* delete wdt timer. */
1252 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1253 			return;
1254 		if (!atomisp_buffers_queued_pipe(pipe))
1255 			atomisp_wdt_stop_pipe(pipe, false);
1256 		else if (reset_wdt_timer)
1257 			/* SOF irq should not reset wdt timer. */
1258 			atomisp_wdt_refresh_pipe(pipe,
1259 						ATOMISP_WDT_KEEP_CURRENT_DELAY);
1260 	}
1261 }
1262 
1263 void atomisp_delayed_init_work(struct work_struct *work)
1264 {
1265 	struct atomisp_sub_device *asd = container_of(work,
1266 					 struct atomisp_sub_device,
1267 					 delayed_init_work);
1268 	/*
1269 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1270 	 */
1271 	if (!ATOMISP_USE_YUVPP(asd)) {
1272 		struct v4l2_event event = {0};
1273 		struct ia_css_stream *stream;
1274 
1275 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1276 
1277 
1278 		if (ia_css_alloc_continuous_frame_remain(stream))
1279 			return;
1280 
1281 		ia_css_update_continuous_frames(stream);
1282 
1283 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1284 		v4l2_event_queue(asd->subdev.devnode, &event);
1285 	}
1286 
1287 	/* signal streamon after delayed init is done */
1288 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1289 	complete(&asd->init_done);
1290 }
1291 
1292 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1293 {
1294 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1295 	enum ia_css_pipe_id css_pipe_id;
1296 	bool stream_restart[MAX_STREAM_NUM] = {0};
1297 	bool depth_mode = false;
1298 	int i, ret, depth_cnt = 0;
1299 
1300 	if (!isp->sw_contex.file_input)
1301 		atomisp_css_irq_enable(isp,
1302 				       IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1303 
1304 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1305 
1306 	for (i = 0; i < isp->num_of_streams; i++) {
1307 		struct atomisp_sub_device *asd = &isp->asd[i];
1308 		struct ia_css_pipeline *acc_pipeline;
1309 		struct ia_css_pipe *acc_pipe = NULL;
1310 
1311 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1312 		    !asd->stream_prepared)
1313 			continue;
1314 
1315 		/*
1316 		* AtomISP::waitStageUpdate is blocked when WDT happens.
1317 		* By calling acc_done() for all loaded fw_handles,
1318 		* HAL will be unblocked.
1319 		*/
1320 		acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1321 		if (acc_pipe) {
1322 			acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1323 			if (acc_pipeline) {
1324 				struct ia_css_pipeline_stage *stage;
1325 
1326 				for (stage = acc_pipeline->stages; stage;
1327 				     stage = stage->next) {
1328 					const struct ia_css_fw_info *fw;
1329 
1330 					fw = stage->firmware;
1331 					atomisp_acc_done(asd, fw->handle);
1332 				}
1333 			}
1334 		}
1335 
1336 		depth_cnt++;
1337 
1338 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1339 			cancel_work_sync(&asd->delayed_init_work);
1340 
1341 		complete(&asd->init_done);
1342 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1343 
1344 		stream_restart[asd->index] = true;
1345 
1346 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1347 
1348 		/* stream off sensor */
1349 		ret = v4l2_subdev_call(
1350 			  isp->inputs[asd->input_curr].
1351 			  camera, video, s_stream, 0);
1352 		if (ret)
1353 			dev_warn(isp->dev,
1354 				 "can't stop streaming on sensor!\n");
1355 
1356 		atomisp_acc_unload_extensions(asd);
1357 
1358 		atomisp_clear_css_buffer_counters(asd);
1359 
1360 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1361 		atomisp_css_stop(asd, css_pipe_id, true);
1362 
1363 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1364 
1365 		asd->preview_exp_id = 1;
1366 		asd->postview_exp_id = 1;
1367 		/* notify HAL the CSS reset */
1368 		dev_dbg(isp->dev,
1369 			"send reset event to %s\n", asd->subdev.devnode->name);
1370 		atomisp_reset_event(asd);
1371 	}
1372 
1373 	/* clear irq */
1374 	disable_isp_irq(hrt_isp_css_irq_sp);
1375 	clear_isp_irq(hrt_isp_css_irq_sp);
1376 
1377 	/* Set the SRSE to 3 before resetting */
1378 	pci_write_config_dword(pdev, PCI_I_CONTROL,
1379 			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1380 
1381 	/* reset ISP and restore its state */
1382 	isp->isp_timeout = true;
1383 	atomisp_reset(isp);
1384 	isp->isp_timeout = false;
1385 
1386 	if (!isp_timeout) {
1387 		for (i = 0; i < isp->num_of_streams; i++) {
1388 			if (isp->asd[i].depth_mode->val)
1389 				return;
1390 		}
1391 	}
1392 
1393 	for (i = 0; i < isp->num_of_streams; i++) {
1394 		struct atomisp_sub_device *asd = &isp->asd[i];
1395 
1396 		if (!stream_restart[i])
1397 			continue;
1398 
1399 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1400 			atomisp_css_input_set_mode(asd,
1401 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1402 
1403 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1404 		if (atomisp_css_start(asd, css_pipe_id, true))
1405 			dev_warn(isp->dev,
1406 				 "start SP failed, so do not set streaming to be enable!\n");
1407 		else
1408 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1409 
1410 		atomisp_csi2_configure(asd);
1411 	}
1412 
1413 	if (!isp->sw_contex.file_input) {
1414 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1415 				       atomisp_css_valid_sof(isp));
1416 
1417 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1418 			dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1419 	} else {
1420 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1421 			dev_dbg(isp->dev, "DFS max failed while recovering!\n");
1422 	}
1423 
1424 	for (i = 0; i < isp->num_of_streams; i++) {
1425 		struct atomisp_sub_device *asd;
1426 
1427 		asd = &isp->asd[i];
1428 
1429 		if (!stream_restart[i])
1430 			continue;
1431 
1432 		if (asd->continuous_mode->val &&
1433 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1434 			reinit_completion(&asd->init_done);
1435 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1436 			queue_work(asd->delayed_init_workq,
1437 				   &asd->delayed_init_work);
1438 		}
1439 		/*
1440 		 * dequeueing buffers is not needed. CSS will recycle
1441 		 * buffers that it has.
1442 		 */
1443 		atomisp_flush_bufs_and_wakeup(asd);
1444 
1445 		/* Requeue unprocessed per-frame parameters. */
1446 		atomisp_recover_params_queue(&asd->video_out_capture);
1447 		atomisp_recover_params_queue(&asd->video_out_preview);
1448 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1449 
1450 		if ((asd->depth_mode->val) &&
1451 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1452 			depth_mode = true;
1453 			continue;
1454 		}
1455 
1456 		ret = v4l2_subdev_call(
1457 			  isp->inputs[asd->input_curr].camera, video,
1458 			  s_stream, 1);
1459 		if (ret)
1460 			dev_warn(isp->dev,
1461 				 "can't start streaming on sensor!\n");
1462 	}
1463 
1464 	if (depth_mode) {
1465 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1466 			dev_warn(isp->dev,
1467 				 "master slave sensor stream on failed!\n");
1468 	}
1469 }
1470 
1471 void atomisp_wdt_work(struct work_struct *work)
1472 {
1473 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1474 				     wdt_work);
1475 	int i;
1476 	unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1477 	bool css_recover = false;
1478 
1479 	rt_mutex_lock(&isp->mutex);
1480 	if (!atomisp_streaming_count(isp)) {
1481 		atomic_set(&isp->wdt_work_queued, 0);
1482 		rt_mutex_unlock(&isp->mutex);
1483 		return;
1484 	}
1485 
1486 	if (!IS_ISP2401) {
1487 		dev_err(isp->dev, "timeout %d of %d\n",
1488 			atomic_read(&isp->wdt_count) + 1,
1489 			ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1490 
1491 		if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1492 			css_recover = true;
1493 	} else {
1494 		css_recover = true;
1495 
1496 		for (i = 0; i < isp->num_of_streams; i++) {
1497 			struct atomisp_sub_device *asd = &isp->asd[i];
1498 
1499 			pipe_wdt_cnt[i][0] +=
1500 			    atomic_read(&asd->video_out_capture.wdt_count);
1501 			pipe_wdt_cnt[i][1] +=
1502 			    atomic_read(&asd->video_out_vf.wdt_count);
1503 			pipe_wdt_cnt[i][2] +=
1504 			    atomic_read(&asd->video_out_preview.wdt_count);
1505 			pipe_wdt_cnt[i][3] +=
1506 			    atomic_read(&asd->video_out_video_capture.wdt_count);
1507 			css_recover =
1508 			    (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1509 			    pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1510 			    pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1511 			    pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1512 			    ? true : false;
1513 			dev_err(isp->dev,
1514 				"pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1515 				asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1516 				pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1517 				ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1518 		}
1519 	}
1520 
1521 	if (css_recover) {
1522 		ia_css_debug_dump_sp_sw_debug_info();
1523 		ia_css_debug_dump_debug_info(__func__);
1524 		for (i = 0; i < isp->num_of_streams; i++) {
1525 			struct atomisp_sub_device *asd = &isp->asd[i];
1526 
1527 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1528 				continue;
1529 			dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1530 				__func__,
1531 				asd->video_out_capture.vdev.name,
1532 				asd->video_out_capture.
1533 				buffers_in_css);
1534 			dev_err(isp->dev,
1535 				"%s, vdev %s buffers in css: %d\n",
1536 				__func__,
1537 				asd->video_out_vf.vdev.name,
1538 				asd->video_out_vf.
1539 				buffers_in_css);
1540 			dev_err(isp->dev,
1541 				"%s, vdev %s buffers in css: %d\n",
1542 				__func__,
1543 				asd->video_out_preview.vdev.name,
1544 				asd->video_out_preview.
1545 				buffers_in_css);
1546 			dev_err(isp->dev,
1547 				"%s, vdev %s buffers in css: %d\n",
1548 				__func__,
1549 				asd->video_out_video_capture.vdev.name,
1550 				asd->video_out_video_capture.
1551 				buffers_in_css);
1552 			dev_err(isp->dev,
1553 				"%s, s3a buffers in css preview pipe:%d\n",
1554 				__func__,
1555 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1556 			dev_err(isp->dev,
1557 				"%s, s3a buffers in css capture pipe:%d\n",
1558 				__func__,
1559 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1560 			dev_err(isp->dev,
1561 				"%s, s3a buffers in css video pipe:%d\n",
1562 				__func__,
1563 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1564 			dev_err(isp->dev,
1565 				"%s, dis buffers in css: %d\n",
1566 				__func__, asd->dis_bufs_in_css);
1567 			dev_err(isp->dev,
1568 				"%s, metadata buffers in css preview pipe:%d\n",
1569 				__func__,
1570 				asd->metadata_bufs_in_css
1571 				[ATOMISP_INPUT_STREAM_GENERAL]
1572 				[IA_CSS_PIPE_ID_PREVIEW]);
1573 			dev_err(isp->dev,
1574 				"%s, metadata buffers in css capture pipe:%d\n",
1575 				__func__,
1576 				asd->metadata_bufs_in_css
1577 				[ATOMISP_INPUT_STREAM_GENERAL]
1578 				[IA_CSS_PIPE_ID_CAPTURE]);
1579 			dev_err(isp->dev,
1580 				"%s, metadata buffers in css video pipe:%d\n",
1581 				__func__,
1582 				asd->metadata_bufs_in_css
1583 				[ATOMISP_INPUT_STREAM_GENERAL]
1584 				[IA_CSS_PIPE_ID_VIDEO]);
1585 			if (asd->enable_raw_buffer_lock->val) {
1586 				unsigned int j;
1587 
1588 				dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1589 					__func__, asd->raw_buffer_locked_count);
1590 				for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1591 					dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1592 						__func__, j,
1593 						asd->raw_buffer_bitmap[j]);
1594 			}
1595 		}
1596 
1597 		/*sh_css_dump_sp_state();*/
1598 		/*sh_css_dump_isp_state();*/
1599 	} else {
1600 		for (i = 0; i < isp->num_of_streams; i++) {
1601 			struct atomisp_sub_device *asd = &isp->asd[i];
1602 
1603 			if (asd->streaming ==
1604 			    ATOMISP_DEVICE_STREAMING_ENABLED) {
1605 				atomisp_clear_css_buffer_counters(asd);
1606 				atomisp_flush_bufs_and_wakeup(asd);
1607 				complete(&asd->init_done);
1608 			}
1609 			if (IS_ISP2401)
1610 				atomisp_wdt_stop(asd, false);
1611 		}
1612 
1613 		if (!IS_ISP2401) {
1614 			atomic_set(&isp->wdt_count, 0);
1615 		} else {
1616 			isp->isp_fatal_error = true;
1617 			atomic_set(&isp->wdt_work_queued, 0);
1618 
1619 			rt_mutex_unlock(&isp->mutex);
1620 			return;
1621 		}
1622 	}
1623 
1624 	__atomisp_css_recover(isp, true);
1625 	if (IS_ISP2401) {
1626 		for (i = 0; i < isp->num_of_streams; i++) {
1627 			struct atomisp_sub_device *asd = &isp->asd[i];
1628 
1629 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1630 				continue;
1631 
1632 			atomisp_wdt_refresh(asd,
1633 					    isp->sw_contex.file_input ?
1634 					    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1635 					    ATOMISP_ISP_TIMEOUT_DURATION);
1636 		}
1637 	}
1638 
1639 	dev_err(isp->dev, "timeout recovery handling done\n");
1640 	atomic_set(&isp->wdt_work_queued, 0);
1641 
1642 	rt_mutex_unlock(&isp->mutex);
1643 }
1644 
1645 void atomisp_css_flush(struct atomisp_device *isp)
1646 {
1647 	int i;
1648 
1649 	if (!atomisp_streaming_count(isp))
1650 		return;
1651 
1652 	/* Disable wdt */
1653 	for (i = 0; i < isp->num_of_streams; i++) {
1654 		struct atomisp_sub_device *asd = &isp->asd[i];
1655 
1656 		atomisp_wdt_stop(asd, true);
1657 	}
1658 
1659 	/* Start recover */
1660 	__atomisp_css_recover(isp, false);
1661 	/* Restore wdt */
1662 	for (i = 0; i < isp->num_of_streams; i++) {
1663 		struct atomisp_sub_device *asd = &isp->asd[i];
1664 
1665 		if (asd->streaming !=
1666 		    ATOMISP_DEVICE_STREAMING_ENABLED)
1667 			continue;
1668 
1669 		atomisp_wdt_refresh(asd,
1670 				    isp->sw_contex.file_input ?
1671 				    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1672 				    ATOMISP_ISP_TIMEOUT_DURATION);
1673 	}
1674 	dev_dbg(isp->dev, "atomisp css flush done\n");
1675 }
1676 
1677 void atomisp_wdt(struct timer_list *t)
1678 {
1679 	struct atomisp_sub_device *asd;
1680 	struct atomisp_device *isp;
1681 
1682 	if (!IS_ISP2401) {
1683 		asd = from_timer(asd, t, wdt);
1684 		isp = asd->isp;
1685 	} else {
1686 		struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1687 
1688 		asd = pipe->asd;
1689 		isp = asd->isp;
1690 
1691 		atomic_inc(&pipe->wdt_count);
1692 		dev_warn(isp->dev,
1693 			"[WARNING]asd %d pipe %s ISP timeout %d!\n",
1694 			asd->index, pipe->vdev.name,
1695 			atomic_read(&pipe->wdt_count));
1696 	}
1697 
1698 	if (atomic_read(&isp->wdt_work_queued)) {
1699 		dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1700 		return;
1701 	}
1702 	atomic_set(&isp->wdt_work_queued, 1);
1703 	queue_work(isp->wdt_work_queue, &isp->wdt_work);
1704 }
1705 
1706 /* ISP2400 */
1707 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1708 {
1709 	atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1710 }
1711 
1712 /* ISP2401 */
1713 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1714 			      unsigned int delay)
1715 {
1716 	unsigned long next;
1717 
1718 	if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1719 		pipe->wdt_duration = delay;
1720 
1721 	next = jiffies + pipe->wdt_duration;
1722 
1723 	/* Override next if it has been pushed beyon the "next" time */
1724 	if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1725 		next = pipe->wdt_expires;
1726 
1727 	pipe->wdt_expires = next;
1728 
1729 	if (atomisp_is_wdt_running(pipe))
1730 		dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1731 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1732 	else
1733 		dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1734 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1735 
1736 	mod_timer(&pipe->wdt, next);
1737 }
1738 
1739 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1740 {
1741 	if (!IS_ISP2401) {
1742 		unsigned long next;
1743 
1744 		if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1745 			asd->wdt_duration = delay;
1746 
1747 		next = jiffies + asd->wdt_duration;
1748 
1749 		/* Override next if it has been pushed beyon the "next" time */
1750 		if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1751 			next = asd->wdt_expires;
1752 
1753 		asd->wdt_expires = next;
1754 
1755 		if (atomisp_is_wdt_running(asd))
1756 			dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1757 				((int)(next - jiffies) * 1000 / HZ));
1758 		else
1759 			dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1760 				((int)(next - jiffies) * 1000 / HZ));
1761 
1762 		mod_timer(&asd->wdt, next);
1763 		atomic_set(&asd->isp->wdt_count, 0);
1764 	} else {
1765 		dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1766 		if (atomisp_is_wdt_running(&asd->video_out_capture))
1767 			atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1768 		if (atomisp_is_wdt_running(&asd->video_out_preview))
1769 			atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1770 		if (atomisp_is_wdt_running(&asd->video_out_vf))
1771 			atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1772 		if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1773 			atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1774 	}
1775 }
1776 
1777 /* ISP2401 */
1778 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1779 {
1780 	if (!atomisp_is_wdt_running(pipe))
1781 		return;
1782 
1783 	dev_dbg(pipe->asd->isp->dev,
1784 		"WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1785 
1786 	if (sync) {
1787 		del_timer_sync(&pipe->wdt);
1788 		cancel_work_sync(&pipe->asd->isp->wdt_work);
1789 	} else {
1790 		del_timer(&pipe->wdt);
1791 	}
1792 }
1793 
1794 /* ISP 2401 */
1795 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1796 {
1797 	atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1798 }
1799 
1800 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1801 {
1802 	dev_dbg(asd->isp->dev, "WDT stop:\n");
1803 
1804 	if (!IS_ISP2401) {
1805 		if (sync) {
1806 			del_timer_sync(&asd->wdt);
1807 			cancel_work_sync(&asd->isp->wdt_work);
1808 		} else {
1809 			del_timer(&asd->wdt);
1810 		}
1811 	} else {
1812 		atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1813 		atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1814 		atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1815 		atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1816 	}
1817 }
1818 
1819 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1820 {
1821 	struct atomisp_device *isp = asd->isp;
1822 	struct v4l2_control ctrl;
1823 
1824 	if (!isp->flash)
1825 		return;
1826 
1827 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1828 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1829 		return;
1830 
1831 	if (asd->params.num_flash_frames) {
1832 		/* make sure the timeout is set before setting flash mode */
1833 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1834 		ctrl.value = FLASH_TIMEOUT;
1835 
1836 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1837 			dev_err(isp->dev, "flash timeout configure failed\n");
1838 			return;
1839 		}
1840 
1841 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1842 
1843 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1844 	} else {
1845 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1846 	}
1847 }
1848 
1849 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1850 {
1851 	struct atomisp_device *isp = isp_ptr;
1852 	unsigned long flags;
1853 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1854 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1855 	unsigned int i;
1856 	struct atomisp_sub_device *asd;
1857 
1858 	dev_dbg(isp->dev, ">%s\n", __func__);
1859 
1860 	spin_lock_irqsave(&isp->lock, flags);
1861 
1862 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1863 		spin_unlock_irqrestore(&isp->lock, flags);
1864 		return IRQ_HANDLED;
1865 	}
1866 
1867 	spin_unlock_irqrestore(&isp->lock, flags);
1868 
1869 	/*
1870 	 * The standard CSS2.0 API tells the following calling sequence of
1871 	 * dequeue ready buffers:
1872 	 * while (ia_css_dequeue_event(...)) {
1873 	 *	switch (event.type) {
1874 	 *	...
1875 	 *	ia_css_pipe_dequeue_buffer()
1876 	 *	}
1877 	 * }
1878 	 * That is, dequeue event and buffer are one after another.
1879 	 *
1880 	 * But the following implementation is to first deuque all the event
1881 	 * to a FIFO, then process the event in the FIFO.
1882 	 * This will not have issue in single stream mode, but it do have some
1883 	 * issue in multiple stream case. The issue is that
1884 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1885 	 * a specific pipe.
1886 	 *
1887 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1888 	 * ia_css_pipe parameter.
1889 	 *
1890 	 * So:
1891 	 * For CSS2.0: we change the way to not dequeue all the event at one
1892 	 * time, instead, dequue one and process one, then another
1893 	 */
1894 	rt_mutex_lock(&isp->mutex);
1895 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1896 		goto out;
1897 
1898 	for (i = 0; i < isp->num_of_streams; i++) {
1899 		asd = &isp->asd[i];
1900 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1901 			continue;
1902 		atomisp_setup_flash(asd);
1903 	}
1904 out:
1905 	rt_mutex_unlock(&isp->mutex);
1906 	for (i = 0; i < isp->num_of_streams; i++) {
1907 		asd = &isp->asd[i];
1908 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1909 		    && css_pipe_done[asd->index]
1910 		    && isp->sw_contex.file_input)
1911 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1912 					 video, s_stream, 1);
1913 		/* FIXME! FIX ACC implementation */
1914 		if (asd->acc.pipeline && css_pipe_done[asd->index])
1915 			atomisp_css_acc_done(asd);
1916 	}
1917 	dev_dbg(isp->dev, "<%s\n", __func__);
1918 
1919 	return IRQ_HANDLED;
1920 }
1921 
1922 /*
1923  * utils for buffer allocation/free
1924  */
1925 
1926 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1927 			   const struct ia_css_frame *frame, u32 *p_pgnr)
1928 {
1929 	if (!frame) {
1930 		dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1931 		return -EINVAL;
1932 	}
1933 
1934 	*p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1935 	return 0;
1936 }
1937 
1938 /*
1939  * Get internal fmt according to V4L2 fmt
1940  */
1941 static enum ia_css_frame_format
1942 v4l2_fmt_to_sh_fmt(u32 fmt)
1943 {
1944 	switch (fmt) {
1945 	case V4L2_PIX_FMT_YUV420:
1946 				return IA_CSS_FRAME_FORMAT_YUV420;
1947 	case V4L2_PIX_FMT_YVU420:
1948 		return IA_CSS_FRAME_FORMAT_YV12;
1949 	case V4L2_PIX_FMT_YUV422P:
1950 		return IA_CSS_FRAME_FORMAT_YUV422;
1951 	case V4L2_PIX_FMT_YUV444:
1952 		return IA_CSS_FRAME_FORMAT_YUV444;
1953 	case V4L2_PIX_FMT_NV12:
1954 		return IA_CSS_FRAME_FORMAT_NV12;
1955 	case V4L2_PIX_FMT_NV21:
1956 		return IA_CSS_FRAME_FORMAT_NV21;
1957 	case V4L2_PIX_FMT_NV16:
1958 		return IA_CSS_FRAME_FORMAT_NV16;
1959 	case V4L2_PIX_FMT_NV61:
1960 		return IA_CSS_FRAME_FORMAT_NV61;
1961 	case V4L2_PIX_FMT_UYVY:
1962 		return IA_CSS_FRAME_FORMAT_UYVY;
1963 	case V4L2_PIX_FMT_YUYV:
1964 		return IA_CSS_FRAME_FORMAT_YUYV;
1965 	case V4L2_PIX_FMT_RGB24:
1966 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1967 	case V4L2_PIX_FMT_RGB32:
1968 		return IA_CSS_FRAME_FORMAT_RGBA888;
1969 	case V4L2_PIX_FMT_RGB565:
1970 		return IA_CSS_FRAME_FORMAT_RGB565;
1971 	case V4L2_PIX_FMT_JPEG:
1972 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1973 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1974 	case V4L2_PIX_FMT_SBGGR16:
1975 	case V4L2_PIX_FMT_SBGGR10:
1976 	case V4L2_PIX_FMT_SGBRG10:
1977 	case V4L2_PIX_FMT_SGRBG10:
1978 	case V4L2_PIX_FMT_SRGGB10:
1979 	case V4L2_PIX_FMT_SBGGR12:
1980 	case V4L2_PIX_FMT_SGBRG12:
1981 	case V4L2_PIX_FMT_SGRBG12:
1982 	case V4L2_PIX_FMT_SRGGB12:
1983 	case V4L2_PIX_FMT_SBGGR8:
1984 	case V4L2_PIX_FMT_SGBRG8:
1985 	case V4L2_PIX_FMT_SGRBG8:
1986 	case V4L2_PIX_FMT_SRGGB8:
1987 		return IA_CSS_FRAME_FORMAT_RAW;
1988 	default:
1989 		return -EINVAL;
1990 	}
1991 }
1992 
1993 /*
1994  * raw format match between SH format and V4L2 format
1995  */
1996 static int raw_output_format_match_input(u32 input, u32 output)
1997 {
1998 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1999 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
2000 	     (output == V4L2_PIX_FMT_SGRBG12) ||
2001 	     (output == V4L2_PIX_FMT_SBGGR12) ||
2002 	     (output == V4L2_PIX_FMT_SGBRG12)))
2003 		return 0;
2004 
2005 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
2006 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
2007 	     (output == V4L2_PIX_FMT_SGRBG10) ||
2008 	     (output == V4L2_PIX_FMT_SBGGR10) ||
2009 	     (output == V4L2_PIX_FMT_SGBRG10)))
2010 		return 0;
2011 
2012 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2013 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
2014 	     (output == V4L2_PIX_FMT_SGRBG8) ||
2015 	     (output == V4L2_PIX_FMT_SBGGR8) ||
2016 	     (output == V4L2_PIX_FMT_SGBRG8)))
2017 		return 0;
2018 
2019 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2020 		return 0;
2021 
2022 	return -EINVAL;
2023 }
2024 
2025 static u32 get_pixel_depth(u32 pixelformat)
2026 {
2027 	switch (pixelformat) {
2028 	case V4L2_PIX_FMT_YUV420:
2029 	case V4L2_PIX_FMT_NV12:
2030 	case V4L2_PIX_FMT_NV21:
2031 	case V4L2_PIX_FMT_YVU420:
2032 		return 12;
2033 	case V4L2_PIX_FMT_YUV422P:
2034 	case V4L2_PIX_FMT_YUYV:
2035 	case V4L2_PIX_FMT_UYVY:
2036 	case V4L2_PIX_FMT_NV16:
2037 	case V4L2_PIX_FMT_NV61:
2038 	case V4L2_PIX_FMT_RGB565:
2039 	case V4L2_PIX_FMT_SBGGR16:
2040 	case V4L2_PIX_FMT_SBGGR12:
2041 	case V4L2_PIX_FMT_SGBRG12:
2042 	case V4L2_PIX_FMT_SGRBG12:
2043 	case V4L2_PIX_FMT_SRGGB12:
2044 	case V4L2_PIX_FMT_SBGGR10:
2045 	case V4L2_PIX_FMT_SGBRG10:
2046 	case V4L2_PIX_FMT_SGRBG10:
2047 	case V4L2_PIX_FMT_SRGGB10:
2048 		return 16;
2049 	case V4L2_PIX_FMT_RGB24:
2050 	case V4L2_PIX_FMT_YUV444:
2051 		return 24;
2052 	case V4L2_PIX_FMT_RGB32:
2053 		return 32;
2054 	case V4L2_PIX_FMT_JPEG:
2055 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2056 	case V4L2_PIX_FMT_SBGGR8:
2057 	case V4L2_PIX_FMT_SGBRG8:
2058 	case V4L2_PIX_FMT_SGRBG8:
2059 	case V4L2_PIX_FMT_SRGGB8:
2060 		return 8;
2061 	default:
2062 		return 8 * 2;	/* raw type now */
2063 	}
2064 }
2065 
2066 bool atomisp_is_mbuscode_raw(uint32_t code)
2067 {
2068 	return code >= 0x3000 && code < 0x4000;
2069 }
2070 
2071 /*
2072  * ISP features control function
2073  */
2074 
2075 /*
2076  * Set ISP capture mode based on current settings
2077  */
2078 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2079 {
2080 	if (asd->params.gdc_cac_en)
2081 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2082 	else if (asd->params.low_light)
2083 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2084 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2085 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2086 	else
2087 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2088 }
2089 
2090 /* ISP2401 */
2091 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2092 			       struct atomisp_s_runmode *runmode)
2093 {
2094 	struct atomisp_device *isp = asd->isp;
2095 	struct v4l2_ctrl *c;
2096 	int ret = 0;
2097 
2098 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2099 		return -EINVAL;
2100 
2101 	mutex_lock(asd->ctrl_handler.lock);
2102 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2103 			   V4L2_CID_RUN_MODE);
2104 
2105 	if (c)
2106 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2107 
2108 	mutex_unlock(asd->ctrl_handler.lock);
2109 	return ret;
2110 }
2111 
2112 /*
2113  * Function to enable/disable lens geometry distortion correction (GDC) and
2114  * chromatic aberration correction (CAC)
2115  */
2116 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2117 		    __s32 *value)
2118 {
2119 	if (flag == 0) {
2120 		*value = asd->params.gdc_cac_en;
2121 		return 0;
2122 	}
2123 
2124 	asd->params.gdc_cac_en = !!*value;
2125 	if (asd->params.gdc_cac_en) {
2126 		asd->params.config.morph_table = asd->params.css_param.morph_table;
2127 	} else {
2128 		asd->params.config.morph_table = NULL;
2129 	}
2130 	asd->params.css_update_params_needed = true;
2131 	atomisp_update_capture_mode(asd);
2132 	return 0;
2133 }
2134 
2135 /*
2136  * Function to enable/disable low light mode including ANR
2137  */
2138 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2139 		      __s32 *value)
2140 {
2141 	if (flag == 0) {
2142 		*value = asd->params.low_light;
2143 		return 0;
2144 	}
2145 
2146 	asd->params.low_light = (*value != 0);
2147 	atomisp_update_capture_mode(asd);
2148 	return 0;
2149 }
2150 
2151 /*
2152  * Function to enable/disable extra noise reduction (XNR) in low light
2153  * condition
2154  */
2155 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2156 		int *xnr_enable)
2157 {
2158 	if (flag == 0) {
2159 		*xnr_enable = asd->params.xnr_en;
2160 		return 0;
2161 	}
2162 
2163 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2164 
2165 	return 0;
2166 }
2167 
2168 /*
2169  * Function to configure bayer noise reduction
2170  */
2171 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2172 	       struct atomisp_nr_config *arg)
2173 {
2174 	if (flag == 0) {
2175 		/* Get nr config from current setup */
2176 		if (atomisp_css_get_nr_config(asd, arg))
2177 			return -EINVAL;
2178 	} else {
2179 		/* Set nr config to isp parameters */
2180 		memcpy(&asd->params.css_param.nr_config, arg,
2181 		       sizeof(struct ia_css_nr_config));
2182 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
2183 		asd->params.css_update_params_needed = true;
2184 	}
2185 	return 0;
2186 }
2187 
2188 /*
2189  * Function to configure temporal noise reduction (TNR)
2190  */
2191 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2192 		struct atomisp_tnr_config *config)
2193 {
2194 	/* Get tnr config from current setup */
2195 	if (flag == 0) {
2196 		/* Get tnr config from current setup */
2197 		if (atomisp_css_get_tnr_config(asd, config))
2198 			return -EINVAL;
2199 	} else {
2200 		/* Set tnr config to isp parameters */
2201 		memcpy(&asd->params.css_param.tnr_config, config,
2202 		       sizeof(struct ia_css_tnr_config));
2203 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2204 		asd->params.css_update_params_needed = true;
2205 	}
2206 
2207 	return 0;
2208 }
2209 
2210 /*
2211  * Function to configure black level compensation
2212  */
2213 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2214 			struct atomisp_ob_config *config)
2215 {
2216 	if (flag == 0) {
2217 		/* Get ob config from current setup */
2218 		if (atomisp_css_get_ob_config(asd, config))
2219 			return -EINVAL;
2220 	} else {
2221 		/* Set ob config to isp parameters */
2222 		memcpy(&asd->params.css_param.ob_config, config,
2223 		       sizeof(struct ia_css_ob_config));
2224 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
2225 		asd->params.css_update_params_needed = true;
2226 	}
2227 
2228 	return 0;
2229 }
2230 
2231 /*
2232  * Function to configure edge enhancement
2233  */
2234 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2235 	       struct atomisp_ee_config *config)
2236 {
2237 	if (flag == 0) {
2238 		/* Get ee config from current setup */
2239 		if (atomisp_css_get_ee_config(asd, config))
2240 			return -EINVAL;
2241 	} else {
2242 		/* Set ee config to isp parameters */
2243 		memcpy(&asd->params.css_param.ee_config, config,
2244 		       sizeof(asd->params.css_param.ee_config));
2245 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
2246 		asd->params.css_update_params_needed = true;
2247 	}
2248 
2249 	return 0;
2250 }
2251 
2252 /*
2253  * Function to update Gamma table for gamma, brightness and contrast config
2254  */
2255 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2256 		  struct atomisp_gamma_table *config)
2257 {
2258 	if (flag == 0) {
2259 		/* Get gamma table from current setup */
2260 		if (atomisp_css_get_gamma_table(asd, config))
2261 			return -EINVAL;
2262 	} else {
2263 		/* Set gamma table to isp parameters */
2264 		memcpy(&asd->params.css_param.gamma_table, config,
2265 		       sizeof(asd->params.css_param.gamma_table));
2266 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2267 	}
2268 
2269 	return 0;
2270 }
2271 
2272 /*
2273  * Function to update Ctc table for Chroma Enhancement
2274  */
2275 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2276 		struct atomisp_ctc_table *config)
2277 {
2278 	if (flag == 0) {
2279 		/* Get ctc table from current setup */
2280 		if (atomisp_css_get_ctc_table(asd, config))
2281 			return -EINVAL;
2282 	} else {
2283 		/* Set ctc table to isp parameters */
2284 		memcpy(&asd->params.css_param.ctc_table, config,
2285 		       sizeof(asd->params.css_param.ctc_table));
2286 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2287 	}
2288 
2289 	return 0;
2290 }
2291 
2292 /*
2293  * Function to update gamma correction parameters
2294  */
2295 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2296 			     struct atomisp_gc_config *config)
2297 {
2298 	if (flag == 0) {
2299 		/* Get gamma correction params from current setup */
2300 		if (atomisp_css_get_gc_config(asd, config))
2301 			return -EINVAL;
2302 	} else {
2303 		/* Set gamma correction params to isp parameters */
2304 		memcpy(&asd->params.css_param.gc_config, config,
2305 		       sizeof(asd->params.css_param.gc_config));
2306 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
2307 		asd->params.css_update_params_needed = true;
2308 	}
2309 
2310 	return 0;
2311 }
2312 
2313 /*
2314  * Function to update narrow gamma flag
2315  */
2316 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2317 		    struct atomisp_formats_config *config)
2318 {
2319 	if (flag == 0) {
2320 		/* Get narrow gamma flag from current setup */
2321 		if (atomisp_css_get_formats_config(asd, config))
2322 			return -EINVAL;
2323 	} else {
2324 		/* Set narrow gamma flag to isp parameters */
2325 		memcpy(&asd->params.css_param.formats_config, config,
2326 		       sizeof(asd->params.css_param.formats_config));
2327 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
2328 	}
2329 
2330 	return 0;
2331 }
2332 
2333 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2334 {
2335 	atomisp_free_css_parameters(&asd->params.css_param);
2336 
2337 	if (asd->raw_output_frame) {
2338 		ia_css_frame_free(asd->raw_output_frame);
2339 		asd->raw_output_frame = NULL;
2340 	}
2341 }
2342 
2343 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2344 				     enum ia_css_pipe_id pipe_id,
2345 				     int source_pad)
2346 {
2347 	struct atomisp_device *isp = asd->isp;
2348 	int err;
2349 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2350 
2351 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2352 		return;
2353 
2354 	/* We must free all buffers because they no longer match
2355 	   the grid size. */
2356 	atomisp_css_free_stat_buffers(asd);
2357 
2358 	err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2359 	if (err) {
2360 		dev_err(isp->dev, "stat_buf allocate error\n");
2361 		goto err;
2362 	}
2363 
2364 	if (atomisp_alloc_3a_output_buf(asd)) {
2365 		/* Failure for 3A buffers does not influence DIS buffers */
2366 		if (asd->params.s3a_output_bytes != 0) {
2367 			/* For SOC sensor happens s3a_output_bytes == 0,
2368 			 * using if condition to exclude false error log */
2369 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2370 		}
2371 		goto err;
2372 	}
2373 
2374 	if (atomisp_alloc_dis_coef_buf(asd)) {
2375 		dev_err(isp->dev,
2376 			"Failed to allocate memory for DIS statistics\n");
2377 		goto err;
2378 	}
2379 
2380 	if (atomisp_alloc_metadata_output_buf(asd)) {
2381 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2382 		goto err;
2383 	}
2384 
2385 	return;
2386 
2387 err:
2388 	atomisp_css_free_stat_buffers(asd);
2389 	return;
2390 }
2391 
2392 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2393 					struct atomisp_grid_info *info)
2394 {
2395 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2396 	       sizeof(struct ia_css_3a_grid_info));
2397 }
2398 
2399 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2400 			 struct atomisp_grid_info *atomgrid)
2401 {
2402 	struct atomisp_grid_info tmp = {0};
2403 
2404 	atomisp_curr_user_grid_info(asd, &tmp);
2405 	return memcmp(atomgrid, &tmp, sizeof(tmp));
2406 }
2407 
2408 /*
2409  * Function to update Gdc table for gdc
2410  */
2411 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2412 			  struct atomisp_morph_table *config)
2413 {
2414 	int ret;
2415 	int i;
2416 	struct atomisp_device *isp = asd->isp;
2417 
2418 	if (flag == 0) {
2419 		/* Get gdc table from current setup */
2420 		struct ia_css_morph_table tab = {0};
2421 
2422 		atomisp_css_get_morph_table(asd, &tab);
2423 
2424 		config->width = tab.width;
2425 		config->height = tab.height;
2426 
2427 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2428 			ret = copy_to_user(config->coordinates_x[i],
2429 					   tab.coordinates_x[i], tab.height *
2430 					   tab.width * sizeof(*tab.coordinates_x[i]));
2431 			if (ret) {
2432 				dev_err(isp->dev,
2433 					"Failed to copy to User for x\n");
2434 				return -EFAULT;
2435 			}
2436 			ret = copy_to_user(config->coordinates_y[i],
2437 					   tab.coordinates_y[i], tab.height *
2438 					   tab.width * sizeof(*tab.coordinates_y[i]));
2439 			if (ret) {
2440 				dev_err(isp->dev,
2441 					"Failed to copy to User for y\n");
2442 				return -EFAULT;
2443 			}
2444 		}
2445 	} else {
2446 		struct ia_css_morph_table *tab =
2447 			    asd->params.css_param.morph_table;
2448 
2449 		/* free first if we have one */
2450 		if (tab) {
2451 			atomisp_css_morph_table_free(tab);
2452 			asd->params.css_param.morph_table = NULL;
2453 		}
2454 
2455 		/* allocate new one */
2456 		tab = atomisp_css_morph_table_allocate(config->width,
2457 						       config->height);
2458 
2459 		if (!tab) {
2460 			dev_err(isp->dev, "out of memory\n");
2461 			return -EINVAL;
2462 		}
2463 
2464 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2465 			ret = copy_from_user(tab->coordinates_x[i],
2466 					     config->coordinates_x[i],
2467 					     config->height * config->width *
2468 					     sizeof(*config->coordinates_x[i]));
2469 			if (ret) {
2470 				dev_err(isp->dev,
2471 					"Failed to copy from User for x, ret %d\n",
2472 					ret);
2473 				atomisp_css_morph_table_free(tab);
2474 				return -EFAULT;
2475 			}
2476 			ret = copy_from_user(tab->coordinates_y[i],
2477 					     config->coordinates_y[i],
2478 					     config->height * config->width *
2479 					     sizeof(*config->coordinates_y[i]));
2480 			if (ret) {
2481 				dev_err(isp->dev,
2482 					"Failed to copy from User for y, ret is %d\n",
2483 					ret);
2484 				atomisp_css_morph_table_free(tab);
2485 				return -EFAULT;
2486 			}
2487 		}
2488 		asd->params.css_param.morph_table = tab;
2489 		if (asd->params.gdc_cac_en)
2490 			asd->params.config.morph_table = tab;
2491 	}
2492 
2493 	return 0;
2494 }
2495 
2496 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2497 		       struct atomisp_macc_config *config)
2498 {
2499 	struct ia_css_macc_table *macc_table;
2500 
2501 	switch (config->color_effect) {
2502 	case V4L2_COLORFX_NONE:
2503 		macc_table = &asd->params.css_param.macc_table;
2504 		break;
2505 	case V4L2_COLORFX_SKY_BLUE:
2506 		macc_table = &blue_macc_table;
2507 		break;
2508 	case V4L2_COLORFX_GRASS_GREEN:
2509 		macc_table = &green_macc_table;
2510 		break;
2511 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2512 		macc_table = &skin_low_macc_table;
2513 		break;
2514 	case V4L2_COLORFX_SKIN_WHITEN:
2515 		macc_table = &skin_medium_macc_table;
2516 		break;
2517 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2518 		macc_table = &skin_high_macc_table;
2519 		break;
2520 	default:
2521 		return -EINVAL;
2522 	}
2523 
2524 	if (flag == 0) {
2525 		/* Get macc table from current setup */
2526 		memcpy(&config->table, macc_table,
2527 		       sizeof(struct ia_css_macc_table));
2528 	} else {
2529 		memcpy(macc_table, &config->table,
2530 		       sizeof(struct ia_css_macc_table));
2531 		if (config->color_effect == asd->params.color_effect)
2532 			asd->params.config.macc_table = macc_table;
2533 	}
2534 
2535 	return 0;
2536 }
2537 
2538 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2539 			   struct atomisp_dis_vector *vector)
2540 {
2541 	atomisp_css_video_set_dis_vector(asd, vector);
2542 
2543 	asd->params.dis_proj_data_valid = false;
2544 	asd->params.css_update_params_needed = true;
2545 	return 0;
2546 }
2547 
2548 /*
2549  * Function to set/get image stablization statistics
2550  */
2551 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2552 			 struct atomisp_dis_statistics *stats)
2553 {
2554 	return atomisp_css_get_dis_stat(asd, stats);
2555 }
2556 
2557 /*
2558  * Function  set camrea_prefiles.xml current sensor pixel array size
2559  */
2560 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2561 			  struct atomisp_resolution  *config)
2562 {
2563 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2564 	if (!config) {
2565 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2566 		return -EINVAL;
2567 	}
2568 
2569 	asd->sensor_array_res.width = config->width;
2570 	asd->sensor_array_res.height = config->height;
2571 	return 0;
2572 }
2573 
2574 /*
2575  * Function to get DVS2 BQ resolution settings
2576  */
2577 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2578 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2579 {
2580 	struct ia_css_pipe_config *pipe_cfg = NULL;
2581 	struct ia_css_stream_config *stream_cfg = NULL;
2582 	struct ia_css_stream_input_config *input_config = NULL;
2583 
2584 	struct ia_css_stream *stream =
2585 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2586 	if (!stream) {
2587 		dev_warn(asd->isp->dev, "stream is not created");
2588 		return -EAGAIN;
2589 	}
2590 
2591 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2592 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2593 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2594 		     .stream_config;
2595 	input_config = &stream_cfg->input_config;
2596 
2597 	if (!bq_res)
2598 		return -EINVAL;
2599 
2600 	/* the GDC output resolution */
2601 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2602 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2603 
2604 	bq_res->envelope_bq.width_bq = 0;
2605 	bq_res->envelope_bq.height_bq = 0;
2606 	/* the GDC input resolution */
2607 	if (!asd->continuous_mode->val) {
2608 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2609 					     pipe_cfg->dvs_envelope.width / 2;
2610 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2611 					      pipe_cfg->dvs_envelope.height / 2;
2612 		/*
2613 		 * Bad pixels caused by spatial filter processing
2614 		 * ISP filter resolution should be given by CSS/FW, but for now
2615 		 * there is not such API to query, and it is fixed value, so
2616 		 * hardcoded here.
2617 		 */
2618 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2619 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2620 		/* spatial filter shift, always 4 pixels */
2621 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2622 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2623 
2624 		if (asd->params.video_dis_en) {
2625 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2626 						       / 2 - bq_res->ispfilter_bq.width_bq;
2627 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2628 							/ 2 - bq_res->ispfilter_bq.height_bq;
2629 		}
2630 	} else {
2631 		unsigned int w_padding;
2632 		unsigned int gdc_effective_input = 0;
2633 
2634 		/* For GDC:
2635 		 * gdc_effective_input = effective_input + envelope
2636 		 *
2637 		 * From the comment and formula in BZ1786,
2638 		 * we see the source_bq should be:
2639 		 * effective_input / bayer_ds_ratio
2640 		 */
2641 		bq_res->source_bq.width_bq =
2642 		    (input_config->effective_res.width *
2643 		     pipe_cfg->bayer_ds_out_res.width /
2644 		     input_config->effective_res.width + 1) / 2;
2645 		bq_res->source_bq.height_bq =
2646 		    (input_config->effective_res.height *
2647 		     pipe_cfg->bayer_ds_out_res.height /
2648 		     input_config->effective_res.height + 1) / 2;
2649 
2650 		if (!asd->params.video_dis_en) {
2651 			/*
2652 			 * We adjust the ispfilter_bq to:
2653 			 * ispfilter_bq = 128/BDS
2654 			 * we still need firmware team to provide an offical
2655 			 * formula for SDV.
2656 			 */
2657 			bq_res->ispfilter_bq.width_bq = 128 *
2658 							pipe_cfg->bayer_ds_out_res.width /
2659 							input_config->effective_res.width / 2;
2660 			bq_res->ispfilter_bq.height_bq = 128 *
2661 							 pipe_cfg->bayer_ds_out_res.width /
2662 							 input_config->effective_res.width / 2;
2663 
2664 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2665 				/* No additional left padding for ISYS2401 */
2666 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2667 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2668 			} else {
2669 				/*
2670 				 * For the w_padding and gdc_shift_bq cacluation
2671 				 * Please see the BZ 1786 and 4358 for more info.
2672 				 * Just test that this formula can work now,
2673 				 * but we still have no offical formula.
2674 				 *
2675 				 * w_padding = ceiling(gdc_effective_input
2676 				 *             /128, 1) * 128 - effective_width
2677 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2678 				 */
2679 				gdc_effective_input =
2680 				    input_config->effective_res.width +
2681 				    pipe_cfg->dvs_envelope.width;
2682 				w_padding = roundup(gdc_effective_input, 128) -
2683 					    input_config->effective_res.width;
2684 				w_padding = w_padding *
2685 					    pipe_cfg->bayer_ds_out_res.width /
2686 					    input_config->effective_res.width + 1;
2687 				w_padding = roundup(w_padding / 2, 1);
2688 
2689 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2690 								+ w_padding;
2691 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2692 			}
2693 		} else {
2694 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2695 
2696 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2697 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2698 
2699 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2700 				/* No additional left padding for ISYS2401 */
2701 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2702 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2703 			} else {
2704 				w_padding =
2705 				    roundup(input_config->effective_res.width, 128) -
2706 				    input_config->effective_res.width;
2707 				if (w_padding < 12)
2708 					w_padding = 12;
2709 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2710 								((w_padding - 12) *
2711 								 pipe_cfg->bayer_ds_out_res.width /
2712 								 input_config->effective_res.width + 1) / 2;
2713 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2714 			}
2715 
2716 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2717 				pipe_cfg->output_info[0].res.width;
2718 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2719 				pipe_cfg->output_info[0].res.height;
2720 			dvs_w_max = rounddown(
2721 					pipe_cfg->output_info[0].res.width / 5,
2722 					ATOM_ISP_STEP_WIDTH);
2723 			dvs_h_max = rounddown(
2724 					pipe_cfg->output_info[0].res.height / 5,
2725 					ATOM_ISP_STEP_HEIGHT);
2726 			bq_res->envelope_bq.width_bq =
2727 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2728 			    bq_res->ispfilter_bq.width_bq;
2729 			bq_res->envelope_bq.height_bq =
2730 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2731 			    bq_res->ispfilter_bq.height_bq;
2732 		}
2733 	}
2734 
2735 	dev_dbg(asd->isp->dev,
2736 		"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",
2737 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2738 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2739 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2740 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2741 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2742 
2743 	return 0;
2744 }
2745 
2746 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2747 			  struct atomisp_dis_coefficients *coefs)
2748 {
2749 	return atomisp_css_set_dis_coefs(asd, coefs);
2750 }
2751 
2752 /*
2753  * Function to set/get 3A stat from isp
2754  */
2755 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2756 		    struct atomisp_3a_statistics *config)
2757 {
2758 	struct atomisp_device *isp = asd->isp;
2759 	struct atomisp_s3a_buf *s3a_buf;
2760 	unsigned long ret;
2761 
2762 	if (flag != 0)
2763 		return -EINVAL;
2764 
2765 	/* sanity check to avoid writing into unallocated memory. */
2766 	if (asd->params.s3a_output_bytes == 0)
2767 		return -EINVAL;
2768 
2769 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2770 		/* If the grid info in the argument differs from the current
2771 		   grid info, we tell the caller to reset the grid size and
2772 		   try again. */
2773 		return -EAGAIN;
2774 	}
2775 
2776 	if (list_empty(&asd->s3a_stats_ready)) {
2777 		dev_err(isp->dev, "3a statistics is not valid.\n");
2778 		return -EAGAIN;
2779 	}
2780 
2781 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2782 			     struct atomisp_s3a_buf, list);
2783 	if (s3a_buf->s3a_map)
2784 		ia_css_translate_3a_statistics(
2785 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2786 	else
2787 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2788 					 s3a_buf->s3a_data);
2789 
2790 	config->exp_id = s3a_buf->s3a_data->exp_id;
2791 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2792 
2793 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2794 			   asd->params.s3a_output_bytes);
2795 	if (ret) {
2796 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2797 			ret);
2798 		return -EFAULT;
2799 	}
2800 
2801 	/* Move to free buffer list */
2802 	list_del_init(&s3a_buf->list);
2803 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2804 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2805 		__func__,
2806 		config->exp_id, config->isp_config_id);
2807 	return 0;
2808 }
2809 
2810 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2811 			 struct atomisp_metadata *md)
2812 {
2813 	struct atomisp_device *isp = asd->isp;
2814 	struct ia_css_stream_info *stream_info;
2815 	struct camera_mipi_info *mipi_info;
2816 	struct atomisp_metadata_buf *md_buf;
2817 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2818 	int ret, i;
2819 
2820 	if (flag != 0)
2821 		return -EINVAL;
2822 
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_info *stream_info;
2891 	struct camera_mipi_info *mipi_info;
2892 	struct atomisp_metadata_buf *md_buf;
2893 	enum atomisp_metadata_type md_type;
2894 	int ret, i;
2895 
2896 	if (flag != 0)
2897 		return -EINVAL;
2898 
2899 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2900 		      stream_info;
2901 
2902 	/* We always return the resolution and stride even if there is
2903 	 * no valid metadata. This allows the caller to get the information
2904 	 * needed to allocate user-space buffers. */
2905 	md->width  = stream_info->metadata_info.resolution.width;
2906 	md->height = stream_info->metadata_info.resolution.height;
2907 	md->stride = stream_info->metadata_info.stride;
2908 
2909 	/* sanity check to avoid writing into unallocated memory.
2910 	 * This does not return an error because it is a valid way
2911 	 * for applications to detect that metadata is not enabled. */
2912 	if (md->width == 0 || md->height == 0 || !md->data)
2913 		return 0;
2914 
2915 	md_type = md->type;
2916 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2917 		return -EINVAL;
2918 
2919 	/* This is done in the atomisp_buf_done() */
2920 	if (list_empty(&asd->metadata_ready[md_type])) {
2921 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2922 		return -EAGAIN;
2923 	}
2924 
2925 	mipi_info = atomisp_to_sensor_mipi_info(
2926 			isp->inputs[asd->input_curr].camera);
2927 	if (!mipi_info)
2928 		return -EINVAL;
2929 
2930 	if (mipi_info->metadata_effective_width) {
2931 		for (i = 0; i < md->height; i++)
2932 			md->effective_width[i] =
2933 			    mipi_info->metadata_effective_width[i];
2934 	}
2935 
2936 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2937 			    struct atomisp_metadata_buf, list);
2938 	md->exp_id = md_buf->metadata->exp_id;
2939 	if (md_buf->md_vptr) {
2940 		ret = copy_to_user(md->data,
2941 				   md_buf->md_vptr,
2942 				   stream_info->metadata_info.size);
2943 	} else {
2944 		hmm_load(md_buf->metadata->address,
2945 			 asd->params.metadata_user[md_type],
2946 			 stream_info->metadata_info.size);
2947 
2948 		ret = copy_to_user(md->data,
2949 				   asd->params.metadata_user[md_type],
2950 				   stream_info->metadata_info.size);
2951 	}
2952 	if (ret) {
2953 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2954 			ret);
2955 		return -EFAULT;
2956 	} else {
2957 		list_del_init(&md_buf->list);
2958 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2959 	}
2960 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2961 		__func__, md_type, md->exp_id);
2962 	return 0;
2963 }
2964 
2965 /*
2966  * Function to calculate real zoom region for every pipe
2967  */
2968 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2969 				       struct ia_css_dz_config   *dz_config,
2970 				       enum ia_css_pipe_id css_pipe_id)
2971 
2972 {
2973 	struct atomisp_stream_env *stream_env =
2974 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2975 	struct atomisp_resolution  eff_res, out_res;
2976 	int w_offset, h_offset;
2977 
2978 	memset(&eff_res, 0, sizeof(eff_res));
2979 	memset(&out_res, 0, sizeof(out_res));
2980 
2981 	if (dz_config->dx || dz_config->dy)
2982 		return 0;
2983 
2984 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2985 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2986 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2987 			, __func__);
2988 		return -EINVAL;
2989 	}
2990 
2991 	eff_res.width =
2992 	    stream_env->stream_config.input_config.effective_res.width;
2993 	eff_res.height =
2994 	    stream_env->stream_config.input_config.effective_res.height;
2995 	if (eff_res.width == 0 || eff_res.height == 0) {
2996 		dev_err(asd->isp->dev, "%s err effective resolution"
2997 			, __func__);
2998 		return -EINVAL;
2999 	}
3000 
3001 	if (dz_config->zoom_region.resolution.width
3002 	    == asd->sensor_array_res.width
3003 	    || dz_config->zoom_region.resolution.height
3004 	    == asd->sensor_array_res.height) {
3005 		/*no need crop region*/
3006 		dz_config->zoom_region.origin.x = 0;
3007 		dz_config->zoom_region.origin.y = 0;
3008 		dz_config->zoom_region.resolution.width = eff_res.width;
3009 		dz_config->zoom_region.resolution.height = eff_res.height;
3010 		return 0;
3011 	}
3012 
3013 	/* FIXME:
3014 	 * This is not the correct implementation with Google's definition, due
3015 	 * to firmware limitation.
3016 	 * map real crop region base on above calculating base max crop region.
3017 	 */
3018 
3019 	if (!IS_ISP2401) {
3020 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3021 						  * eff_res.width
3022 						  / asd->sensor_array_res.width;
3023 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3024 						  * eff_res.height
3025 						  / asd->sensor_array_res.height;
3026 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3027 							  * eff_res.width
3028 							  / asd->sensor_array_res.width;
3029 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3030 							  * eff_res.height
3031 							  / asd->sensor_array_res.height;
3032 		/*
3033 		 * Set same ratio of crop region resolution and current pipe output
3034 		 * resolution
3035 		 */
3036 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3037 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3038 		if (out_res.width == 0 || out_res.height == 0) {
3039 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3040 				, __func__);
3041 			return -EINVAL;
3042 		}
3043 	} else {
3044 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3045 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3046 		if (out_res.width == 0 || out_res.height == 0) {
3047 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3048 				, __func__);
3049 			return -EINVAL;
3050 		}
3051 
3052 		if (asd->sensor_array_res.width * out_res.height
3053 		    < out_res.width * asd->sensor_array_res.height) {
3054 			h_offset = asd->sensor_array_res.height
3055 				   - asd->sensor_array_res.width
3056 				   * out_res.height / out_res.width;
3057 			h_offset = h_offset / 2;
3058 			if (dz_config->zoom_region.origin.y < h_offset)
3059 				dz_config->zoom_region.origin.y = 0;
3060 			else
3061 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3062 			w_offset = 0;
3063 		} else {
3064 			w_offset = asd->sensor_array_res.width
3065 				   - asd->sensor_array_res.height
3066 				   * out_res.width / out_res.height;
3067 			w_offset = w_offset / 2;
3068 			if (dz_config->zoom_region.origin.x < w_offset)
3069 				dz_config->zoom_region.origin.x = 0;
3070 			else
3071 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3072 			h_offset = 0;
3073 		}
3074 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3075 						  * eff_res.width
3076 						  / (asd->sensor_array_res.width - 2 * w_offset);
3077 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3078 						  * eff_res.height
3079 						  / (asd->sensor_array_res.height - 2 * h_offset);
3080 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3081 						  * eff_res.width
3082 						  / (asd->sensor_array_res.width - 2 * w_offset);
3083 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3084 						  * eff_res.height
3085 						  / (asd->sensor_array_res.height - 2 * h_offset);
3086 	}
3087 
3088 	if (out_res.width * dz_config->zoom_region.resolution.height
3089 	    > dz_config->zoom_region.resolution.width * out_res.height) {
3090 		dz_config->zoom_region.resolution.height =
3091 		    dz_config->zoom_region.resolution.width
3092 		    * out_res.height / out_res.width;
3093 	} else {
3094 		dz_config->zoom_region.resolution.width =
3095 		    dz_config->zoom_region.resolution.height
3096 		    * out_res.width / out_res.height;
3097 	}
3098 	dev_dbg(asd->isp->dev,
3099 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3100 		__func__, dz_config->zoom_region.origin.x,
3101 		dz_config->zoom_region.origin.y,
3102 		dz_config->zoom_region.resolution.width,
3103 		dz_config->zoom_region.resolution.height,
3104 		eff_res.width, eff_res.height,
3105 		asd->sensor_array_res.width,
3106 		asd->sensor_array_res.height,
3107 		out_res.width, out_res.height);
3108 
3109 	if ((dz_config->zoom_region.origin.x +
3110 	     dz_config->zoom_region.resolution.width
3111 	     > eff_res.width) ||
3112 	    (dz_config->zoom_region.origin.y +
3113 	     dz_config->zoom_region.resolution.height
3114 	     > eff_res.height))
3115 		return -EINVAL;
3116 
3117 	return 0;
3118 }
3119 
3120 /*
3121  * Function to check the zoom region whether is effective
3122  */
3123 static bool atomisp_check_zoom_region(
3124     struct atomisp_sub_device *asd,
3125     struct ia_css_dz_config *dz_config)
3126 {
3127 	struct atomisp_resolution  config;
3128 	bool flag = false;
3129 	unsigned int w, h;
3130 
3131 	memset(&config, 0, sizeof(struct atomisp_resolution));
3132 
3133 	if (dz_config->dx && dz_config->dy)
3134 		return true;
3135 
3136 	config.width = asd->sensor_array_res.width;
3137 	config.height = asd->sensor_array_res.height;
3138 	w = dz_config->zoom_region.origin.x +
3139 	    dz_config->zoom_region.resolution.width;
3140 	h = dz_config->zoom_region.origin.y +
3141 	    dz_config->zoom_region.resolution.height;
3142 
3143 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3144 		flag = true;
3145 	else
3146 		/* setting error zoom region */
3147 		dev_err(asd->isp->dev,
3148 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3149 			__func__, dz_config->zoom_region.origin.x,
3150 			dz_config->zoom_region.origin.y,
3151 			dz_config->zoom_region.resolution.width,
3152 			dz_config->zoom_region.resolution.height,
3153 			config.width, config.height);
3154 
3155 	return flag;
3156 }
3157 
3158 void atomisp_apply_css_parameters(
3159     struct atomisp_sub_device *asd,
3160     struct atomisp_css_params *css_param)
3161 {
3162 	if (css_param->update_flag.wb_config)
3163 		asd->params.config.wb_config = &css_param->wb_config;
3164 
3165 	if (css_param->update_flag.ob_config)
3166 		asd->params.config.ob_config = &css_param->ob_config;
3167 
3168 	if (css_param->update_flag.dp_config)
3169 		asd->params.config.dp_config = &css_param->dp_config;
3170 
3171 	if (css_param->update_flag.nr_config)
3172 		asd->params.config.nr_config = &css_param->nr_config;
3173 
3174 	if (css_param->update_flag.ee_config)
3175 		asd->params.config.ee_config = &css_param->ee_config;
3176 
3177 	if (css_param->update_flag.tnr_config)
3178 		asd->params.config.tnr_config = &css_param->tnr_config;
3179 
3180 	if (css_param->update_flag.a3a_config)
3181 		asd->params.config.s3a_config = &css_param->s3a_config;
3182 
3183 	if (css_param->update_flag.ctc_config)
3184 		asd->params.config.ctc_config = &css_param->ctc_config;
3185 
3186 	if (css_param->update_flag.cnr_config)
3187 		asd->params.config.cnr_config = &css_param->cnr_config;
3188 
3189 	if (css_param->update_flag.ecd_config)
3190 		asd->params.config.ecd_config = &css_param->ecd_config;
3191 
3192 	if (css_param->update_flag.ynr_config)
3193 		asd->params.config.ynr_config = &css_param->ynr_config;
3194 
3195 	if (css_param->update_flag.fc_config)
3196 		asd->params.config.fc_config = &css_param->fc_config;
3197 
3198 	if (css_param->update_flag.macc_config)
3199 		asd->params.config.macc_config = &css_param->macc_config;
3200 
3201 	if (css_param->update_flag.aa_config)
3202 		asd->params.config.aa_config = &css_param->aa_config;
3203 
3204 	if (css_param->update_flag.anr_config)
3205 		asd->params.config.anr_config = &css_param->anr_config;
3206 
3207 	if (css_param->update_flag.xnr_config)
3208 		asd->params.config.xnr_config = &css_param->xnr_config;
3209 
3210 	if (css_param->update_flag.yuv2rgb_cc_config)
3211 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3212 
3213 	if (css_param->update_flag.rgb2yuv_cc_config)
3214 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3215 
3216 	if (css_param->update_flag.macc_table)
3217 		asd->params.config.macc_table = &css_param->macc_table;
3218 
3219 	if (css_param->update_flag.xnr_table)
3220 		asd->params.config.xnr_table = &css_param->xnr_table;
3221 
3222 	if (css_param->update_flag.r_gamma_table)
3223 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3224 
3225 	if (css_param->update_flag.g_gamma_table)
3226 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3227 
3228 	if (css_param->update_flag.b_gamma_table)
3229 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3230 
3231 	if (css_param->update_flag.anr_thres)
3232 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3233 
3234 	if (css_param->update_flag.shading_table)
3235 		asd->params.config.shading_table = css_param->shading_table;
3236 
3237 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3238 		asd->params.config.morph_table = css_param->morph_table;
3239 
3240 	if (css_param->update_flag.dvs2_coefs) {
3241 		struct ia_css_dvs_grid_info *dvs_grid_info =
3242 		    atomisp_css_get_dvs_grid_info(
3243 			&asd->params.curr_grid_info);
3244 
3245 		if (dvs_grid_info && dvs_grid_info->enable)
3246 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3247 	}
3248 
3249 	if (css_param->update_flag.dvs_6axis_config)
3250 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3251 
3252 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3253 	/*
3254 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3255 	 * so do not handle them. see comments of ia_css_isp_config.
3256 	 * 1 cc_config
3257 	 * 2 ce_config
3258 	 * 3 de_config
3259 	 * 4 gc_config
3260 	 * 5 gamma_table
3261 	 * 6 ctc_table
3262 	 * 7 dvs_coefs
3263 	 */
3264 }
3265 
3266 static unsigned int long copy_from_compatible(void *to, const void *from,
3267 	unsigned long n, bool from_user)
3268 {
3269 	if (from_user)
3270 		return copy_from_user(to, (void __user *)from, n);
3271 	else
3272 		memcpy(to, from, n);
3273 	return 0;
3274 }
3275 
3276 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3277 				      struct atomisp_parameters *arg,
3278 				      struct atomisp_css_params *css_param,
3279 				      bool from_user)
3280 {
3281 	struct atomisp_parameters *cur_config = &css_param->update_flag;
3282 
3283 	if (!arg || !asd || !css_param)
3284 		return -EINVAL;
3285 
3286 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3287 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3288 					 sizeof(struct ia_css_wb_config),
3289 					 from_user))
3290 			return -EFAULT;
3291 		css_param->update_flag.wb_config =
3292 		    (struct atomisp_wb_config *)&css_param->wb_config;
3293 	}
3294 
3295 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3296 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3297 					 sizeof(struct ia_css_ob_config),
3298 					 from_user))
3299 			return -EFAULT;
3300 		css_param->update_flag.ob_config =
3301 		    (struct atomisp_ob_config *)&css_param->ob_config;
3302 	}
3303 
3304 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3305 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3306 					 sizeof(struct ia_css_dp_config),
3307 					 from_user))
3308 			return -EFAULT;
3309 		css_param->update_flag.dp_config =
3310 		    (struct atomisp_dp_config *)&css_param->dp_config;
3311 	}
3312 
3313 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3314 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3315 			if (copy_from_compatible(&css_param->dz_config,
3316 						 arg->dz_config,
3317 						 sizeof(struct ia_css_dz_config),
3318 						 from_user))
3319 				return -EFAULT;
3320 			if (!atomisp_check_zoom_region(asd,
3321 						       &css_param->dz_config)) {
3322 				dev_err(asd->isp->dev, "crop region error!");
3323 				return -EINVAL;
3324 			}
3325 			css_param->update_flag.dz_config =
3326 			    (struct atomisp_dz_config *)
3327 			    &css_param->dz_config;
3328 		}
3329 	}
3330 
3331 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3332 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3333 					 sizeof(struct ia_css_nr_config),
3334 					 from_user))
3335 			return -EFAULT;
3336 		css_param->update_flag.nr_config =
3337 		    (struct atomisp_nr_config *)&css_param->nr_config;
3338 	}
3339 
3340 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3341 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3342 					 sizeof(struct ia_css_ee_config),
3343 					 from_user))
3344 			return -EFAULT;
3345 		css_param->update_flag.ee_config =
3346 		    (struct atomisp_ee_config *)&css_param->ee_config;
3347 	}
3348 
3349 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3350 		if (copy_from_compatible(&css_param->tnr_config,
3351 					 arg->tnr_config,
3352 					 sizeof(struct ia_css_tnr_config),
3353 					 from_user))
3354 			return -EFAULT;
3355 		css_param->update_flag.tnr_config =
3356 		    (struct atomisp_tnr_config *)
3357 		    &css_param->tnr_config;
3358 	}
3359 
3360 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3361 		if (copy_from_compatible(&css_param->s3a_config,
3362 					 arg->a3a_config,
3363 					 sizeof(struct ia_css_3a_config),
3364 					 from_user))
3365 			return -EFAULT;
3366 		css_param->update_flag.a3a_config =
3367 		    (struct atomisp_3a_config *)&css_param->s3a_config;
3368 	}
3369 
3370 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3371 		if (copy_from_compatible(&css_param->ctc_config,
3372 					 arg->ctc_config,
3373 					 sizeof(struct ia_css_ctc_config),
3374 					 from_user))
3375 			return -EFAULT;
3376 		css_param->update_flag.ctc_config =
3377 		    (struct atomisp_ctc_config *)
3378 		    &css_param->ctc_config;
3379 	}
3380 
3381 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3382 		if (copy_from_compatible(&css_param->cnr_config,
3383 					 arg->cnr_config,
3384 					 sizeof(struct ia_css_cnr_config),
3385 					 from_user))
3386 			return -EFAULT;
3387 		css_param->update_flag.cnr_config =
3388 		    (struct atomisp_cnr_config *)
3389 		    &css_param->cnr_config;
3390 	}
3391 
3392 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3393 		if (copy_from_compatible(&css_param->ecd_config,
3394 					 arg->ecd_config,
3395 					 sizeof(struct ia_css_ecd_config),
3396 					 from_user))
3397 			return -EFAULT;
3398 		css_param->update_flag.ecd_config =
3399 		    (struct atomisp_ecd_config *)
3400 		    &css_param->ecd_config;
3401 	}
3402 
3403 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3404 		if (copy_from_compatible(&css_param->ynr_config,
3405 					 arg->ynr_config,
3406 					 sizeof(struct ia_css_ynr_config),
3407 					 from_user))
3408 			return -EFAULT;
3409 		css_param->update_flag.ynr_config =
3410 		    (struct atomisp_ynr_config *)
3411 		    &css_param->ynr_config;
3412 	}
3413 
3414 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3415 		if (copy_from_compatible(&css_param->fc_config,
3416 					 arg->fc_config,
3417 					 sizeof(struct ia_css_fc_config),
3418 					 from_user))
3419 			return -EFAULT;
3420 		css_param->update_flag.fc_config =
3421 		    (struct atomisp_fc_config *)&css_param->fc_config;
3422 	}
3423 
3424 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3425 		if (copy_from_compatible(&css_param->macc_config,
3426 					 arg->macc_config,
3427 					 sizeof(struct ia_css_macc_config),
3428 					 from_user))
3429 			return -EFAULT;
3430 		css_param->update_flag.macc_config =
3431 		    (struct atomisp_macc_config *)
3432 		    &css_param->macc_config;
3433 	}
3434 
3435 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3436 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3437 					 sizeof(struct ia_css_aa_config),
3438 					 from_user))
3439 			return -EFAULT;
3440 		css_param->update_flag.aa_config =
3441 		    (struct atomisp_aa_config *)&css_param->aa_config;
3442 	}
3443 
3444 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3445 		if (copy_from_compatible(&css_param->anr_config,
3446 					 arg->anr_config,
3447 					 sizeof(struct ia_css_anr_config),
3448 					 from_user))
3449 			return -EFAULT;
3450 		css_param->update_flag.anr_config =
3451 		    (struct atomisp_anr_config *)
3452 		    &css_param->anr_config;
3453 	}
3454 
3455 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3456 		if (copy_from_compatible(&css_param->xnr_config,
3457 					 arg->xnr_config,
3458 					 sizeof(struct ia_css_xnr_config),
3459 					 from_user))
3460 			return -EFAULT;
3461 		css_param->update_flag.xnr_config =
3462 		    (struct atomisp_xnr_config *)
3463 		    &css_param->xnr_config;
3464 	}
3465 
3466 	if (arg->yuv2rgb_cc_config &&
3467 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3468 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3469 					 arg->yuv2rgb_cc_config,
3470 					 sizeof(struct ia_css_cc_config),
3471 					 from_user))
3472 			return -EFAULT;
3473 		css_param->update_flag.yuv2rgb_cc_config =
3474 		    (struct atomisp_cc_config *)
3475 		    &css_param->yuv2rgb_cc_config;
3476 	}
3477 
3478 	if (arg->rgb2yuv_cc_config &&
3479 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3480 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3481 					 arg->rgb2yuv_cc_config,
3482 					 sizeof(struct ia_css_cc_config),
3483 					 from_user))
3484 			return -EFAULT;
3485 		css_param->update_flag.rgb2yuv_cc_config =
3486 		    (struct atomisp_cc_config *)
3487 		    &css_param->rgb2yuv_cc_config;
3488 	}
3489 
3490 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3491 		if (copy_from_compatible(&css_param->macc_table,
3492 					 arg->macc_table,
3493 					 sizeof(struct ia_css_macc_table),
3494 					 from_user))
3495 			return -EFAULT;
3496 		css_param->update_flag.macc_table =
3497 		    (struct atomisp_macc_table *)
3498 		    &css_param->macc_table;
3499 	}
3500 
3501 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3502 		if (copy_from_compatible(&css_param->xnr_table,
3503 					 arg->xnr_table,
3504 					 sizeof(struct ia_css_xnr_table),
3505 					 from_user))
3506 			return -EFAULT;
3507 		css_param->update_flag.xnr_table =
3508 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3509 	}
3510 
3511 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3512 		if (copy_from_compatible(&css_param->r_gamma_table,
3513 					 arg->r_gamma_table,
3514 					 sizeof(struct ia_css_rgb_gamma_table),
3515 					 from_user))
3516 			return -EFAULT;
3517 		css_param->update_flag.r_gamma_table =
3518 		    (struct atomisp_rgb_gamma_table *)
3519 		    &css_param->r_gamma_table;
3520 	}
3521 
3522 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3523 		if (copy_from_compatible(&css_param->g_gamma_table,
3524 					 arg->g_gamma_table,
3525 					 sizeof(struct ia_css_rgb_gamma_table),
3526 					 from_user))
3527 			return -EFAULT;
3528 		css_param->update_flag.g_gamma_table =
3529 		    (struct atomisp_rgb_gamma_table *)
3530 		    &css_param->g_gamma_table;
3531 	}
3532 
3533 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3534 		if (copy_from_compatible(&css_param->b_gamma_table,
3535 					 arg->b_gamma_table,
3536 					 sizeof(struct ia_css_rgb_gamma_table),
3537 					 from_user))
3538 			return -EFAULT;
3539 		css_param->update_flag.b_gamma_table =
3540 		    (struct atomisp_rgb_gamma_table *)
3541 		    &css_param->b_gamma_table;
3542 	}
3543 
3544 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3545 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3546 					 sizeof(struct ia_css_anr_thres),
3547 					 from_user))
3548 			return -EFAULT;
3549 		css_param->update_flag.anr_thres =
3550 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3551 	}
3552 
3553 	if (from_user)
3554 		css_param->isp_config_id = arg->isp_config_id;
3555 	/*
3556 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3557 	 * so do not handle them. see comments of ia_css_isp_config.
3558 	 * 1 cc_config
3559 	 * 2 ce_config
3560 	 * 3 de_config
3561 	 * 4 gc_config
3562 	 * 5 gamma_table
3563 	 * 6 ctc_table
3564 	 * 7 dvs_coefs
3565 	 */
3566 	return 0;
3567 }
3568 
3569 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3570 			 struct atomisp_shading_table *source_st,
3571 			 struct atomisp_css_params *css_param,
3572 			 bool from_user)
3573 {
3574 	unsigned int i;
3575 	unsigned int len_table;
3576 	struct ia_css_shading_table *shading_table;
3577 	struct ia_css_shading_table *old_table;
3578 	struct atomisp_shading_table *st, dest_st;
3579 
3580 	if (!source_st)
3581 		return 0;
3582 
3583 	if (!css_param)
3584 		return -EINVAL;
3585 
3586 	if (!from_user && css_param->update_flag.shading_table)
3587 		return 0;
3588 
3589 	if (IS_ISP2401) {
3590 		if (copy_from_compatible(&dest_st, source_st,
3591 					sizeof(struct atomisp_shading_table),
3592 					from_user)) {
3593 			dev_err(asd->isp->dev, "copy shading table failed!");
3594 			return -EFAULT;
3595 		}
3596 		st = &dest_st;
3597 	} else {
3598 		st = source_st;
3599 	}
3600 
3601 	old_table = css_param->shading_table;
3602 
3603 	/* user config is to disable the shading table. */
3604 	if (!st->enable) {
3605 		/* Generate a minimum table with enable = 0. */
3606 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3607 		if (!shading_table)
3608 			return -ENOMEM;
3609 		shading_table->enable = 0;
3610 		goto set_lsc;
3611 	}
3612 
3613 	/* Setting a new table. Validate first - all tables must be set */
3614 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3615 		if (!st->data[i]) {
3616 			dev_err(asd->isp->dev, "shading table validate failed");
3617 			return -EINVAL;
3618 		}
3619 	}
3620 
3621 	/* Shading table size per color */
3622 	if (!IS_ISP2401) {
3623 		if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3624 		    st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3625 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3626 			return -EINVAL;
3627 		}
3628 	} else {
3629 		if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3630 		    st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3631 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3632 			return -EINVAL;
3633 		}
3634 	}
3635 
3636 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3637 	if (!shading_table)
3638 		return -ENOMEM;
3639 
3640 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3641 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3642 		if (copy_from_compatible(shading_table->data[i],
3643 					 st->data[i], len_table, from_user)) {
3644 			atomisp_css_shading_table_free(shading_table);
3645 			return -EFAULT;
3646 		}
3647 	}
3648 	shading_table->sensor_width = st->sensor_width;
3649 	shading_table->sensor_height = st->sensor_height;
3650 	shading_table->fraction_bits = st->fraction_bits;
3651 	shading_table->enable = st->enable;
3652 
3653 	/* No need to update shading table if it is the same */
3654 	if (old_table &&
3655 	    old_table->sensor_width == shading_table->sensor_width &&
3656 	    old_table->sensor_height == shading_table->sensor_height &&
3657 	    old_table->width == shading_table->width &&
3658 	    old_table->height == shading_table->height &&
3659 	    old_table->fraction_bits == shading_table->fraction_bits &&
3660 	    old_table->enable == shading_table->enable) {
3661 		bool data_is_same = true;
3662 
3663 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3664 			if (memcmp(shading_table->data[i], old_table->data[i],
3665 				   len_table) != 0) {
3666 				data_is_same = false;
3667 				break;
3668 			}
3669 		}
3670 
3671 		if (data_is_same) {
3672 			atomisp_css_shading_table_free(shading_table);
3673 			return 0;
3674 		}
3675 	}
3676 
3677 set_lsc:
3678 	/* set LSC to CSS */
3679 	css_param->shading_table = shading_table;
3680 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3681 	asd->params.sc_en = shading_table;
3682 
3683 	if (old_table)
3684 		atomisp_css_shading_table_free(old_table);
3685 
3686 	return 0;
3687 }
3688 
3689 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3690 			      struct ia_css_dvs2_coefficients *coefs,
3691 			      struct atomisp_css_params *css_param,
3692 			      bool from_user)
3693 {
3694 	struct ia_css_dvs_grid_info *cur =
3695 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3696 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3697 	struct ia_css_dvs2_coefficients dvs2_coefs;
3698 
3699 	if (!coefs || !cur)
3700 		return 0;
3701 
3702 	if (!from_user && css_param->update_flag.dvs2_coefs)
3703 		return 0;
3704 
3705 	if (!IS_ISP2401) {
3706 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3707 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3708 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3709 			/* If the grid info in the argument differs from the current
3710 			grid info, we tell the caller to reset the grid size and
3711 			try again. */
3712 			return -EAGAIN;
3713 		}
3714 
3715 		if (!coefs->hor_coefs.odd_real ||
3716 		    !coefs->hor_coefs.odd_imag ||
3717 		    !coefs->hor_coefs.even_real ||
3718 		    !coefs->hor_coefs.even_imag ||
3719 		    !coefs->ver_coefs.odd_real ||
3720 		    !coefs->ver_coefs.odd_imag ||
3721 		    !coefs->ver_coefs.even_real ||
3722 		    !coefs->ver_coefs.even_imag)
3723 			return -EINVAL;
3724 
3725 		if (!css_param->dvs2_coeff) {
3726 			/* DIS coefficients. */
3727 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3728 			if (!css_param->dvs2_coeff)
3729 				return -ENOMEM;
3730 		}
3731 
3732 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3733 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3734 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3735 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3736 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3737 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3738 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3739 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3740 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3741 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3742 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3743 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3744 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3745 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3746 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3747 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3748 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3749 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3750 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3751 			css_param->dvs2_coeff = NULL;
3752 			return -EFAULT;
3753 		}
3754 	} else {
3755 		if (copy_from_compatible(&dvs2_coefs, coefs,
3756 					sizeof(struct ia_css_dvs2_coefficients),
3757 					from_user)) {
3758 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3759 			return -EFAULT;
3760 		}
3761 
3762 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3763 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3764 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3765 			/* If the grid info in the argument differs from the current
3766 			grid info, we tell the caller to reset the grid size and
3767 			try again. */
3768 			return -EAGAIN;
3769 		}
3770 
3771 		if (!dvs2_coefs.hor_coefs.odd_real ||
3772 		    !dvs2_coefs.hor_coefs.odd_imag ||
3773 		    !dvs2_coefs.hor_coefs.even_real ||
3774 		    !dvs2_coefs.hor_coefs.even_imag ||
3775 		    !dvs2_coefs.ver_coefs.odd_real ||
3776 		    !dvs2_coefs.ver_coefs.odd_imag ||
3777 		    !dvs2_coefs.ver_coefs.even_real ||
3778 		    !dvs2_coefs.ver_coefs.even_imag)
3779 			return -EINVAL;
3780 
3781 		if (!css_param->dvs2_coeff) {
3782 			/* DIS coefficients. */
3783 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3784 			if (!css_param->dvs2_coeff)
3785 				return -ENOMEM;
3786 		}
3787 
3788 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3789 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3790 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3791 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3792 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3793 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3794 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3795 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3796 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3797 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3798 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3799 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3800 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3801 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3802 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3803 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3804 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3805 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3806 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3807 			css_param->dvs2_coeff = NULL;
3808 			return -EFAULT;
3809 		}
3810 	}
3811 
3812 	css_param->update_flag.dvs2_coefs =
3813 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3814 	return 0;
3815 }
3816 
3817 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3818 				struct atomisp_dvs_6axis_config *source_6axis_config,
3819 				struct atomisp_css_params *css_param,
3820 				bool from_user)
3821 {
3822 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3823 	struct ia_css_dvs_6axis_config *old_6axis_config;
3824 	struct ia_css_stream *stream =
3825 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3826 	struct ia_css_dvs_grid_info *dvs_grid_info =
3827 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3828 	int ret = -EFAULT;
3829 
3830 	if (!stream) {
3831 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3832 		return -EINVAL;
3833 	}
3834 
3835 	if (!source_6axis_config || !dvs_grid_info)
3836 		return 0;
3837 
3838 	if (!dvs_grid_info->enable)
3839 		return 0;
3840 
3841 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3842 		return 0;
3843 
3844 	/* check whether need to reallocate for 6 axis config */
3845 	old_6axis_config = css_param->dvs_6axis;
3846 	dvs_6axis_config = old_6axis_config;
3847 
3848 	if (IS_ISP2401) {
3849 		struct ia_css_dvs_6axis_config t_6axis_config;
3850 
3851 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3852 					sizeof(struct atomisp_dvs_6axis_config),
3853 					from_user)) {
3854 			dev_err(asd->isp->dev, "copy morph table failed!");
3855 			return -EFAULT;
3856 		}
3857 
3858 		if (old_6axis_config &&
3859 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3860 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3861 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3862 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3863 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3864 			css_param->dvs_6axis = NULL;
3865 
3866 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3867 			if (!dvs_6axis_config)
3868 				return -ENOMEM;
3869 		} else if (!dvs_6axis_config) {
3870 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3871 			if (!dvs_6axis_config)
3872 				return -ENOMEM;
3873 		}
3874 
3875 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3876 
3877 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3878 					t_6axis_config.xcoords_y,
3879 					t_6axis_config.width_y *
3880 					t_6axis_config.height_y *
3881 					sizeof(*dvs_6axis_config->xcoords_y),
3882 					from_user))
3883 			goto error;
3884 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3885 					t_6axis_config.ycoords_y,
3886 					t_6axis_config.width_y *
3887 					t_6axis_config.height_y *
3888 					sizeof(*dvs_6axis_config->ycoords_y),
3889 					from_user))
3890 			goto error;
3891 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3892 					t_6axis_config.xcoords_uv,
3893 					t_6axis_config.width_uv *
3894 					t_6axis_config.height_uv *
3895 					sizeof(*dvs_6axis_config->xcoords_uv),
3896 					from_user))
3897 			goto error;
3898 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3899 					t_6axis_config.ycoords_uv,
3900 					t_6axis_config.width_uv *
3901 					t_6axis_config.height_uv *
3902 					sizeof(*dvs_6axis_config->ycoords_uv),
3903 					from_user))
3904 			goto error;
3905 	} else {
3906 		if (old_6axis_config &&
3907 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3908 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3909 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3910 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3911 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3912 			css_param->dvs_6axis = NULL;
3913 
3914 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3915 			if (!dvs_6axis_config)
3916 				return -ENOMEM;
3917 		} else if (!dvs_6axis_config) {
3918 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3919 			if (!dvs_6axis_config)
3920 				return -ENOMEM;
3921 		}
3922 
3923 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3924 
3925 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3926 					source_6axis_config->xcoords_y,
3927 					source_6axis_config->width_y *
3928 					source_6axis_config->height_y *
3929 					sizeof(*source_6axis_config->xcoords_y),
3930 					from_user))
3931 			goto error;
3932 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3933 					source_6axis_config->ycoords_y,
3934 					source_6axis_config->width_y *
3935 					source_6axis_config->height_y *
3936 					sizeof(*source_6axis_config->ycoords_y),
3937 					from_user))
3938 			goto error;
3939 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3940 					source_6axis_config->xcoords_uv,
3941 					source_6axis_config->width_uv *
3942 					source_6axis_config->height_uv *
3943 					sizeof(*source_6axis_config->xcoords_uv),
3944 					from_user))
3945 			goto error;
3946 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3947 					source_6axis_config->ycoords_uv,
3948 					source_6axis_config->width_uv *
3949 					source_6axis_config->height_uv *
3950 					sizeof(*source_6axis_config->ycoords_uv),
3951 					from_user))
3952 			goto error;
3953 	}
3954 	css_param->dvs_6axis = dvs_6axis_config;
3955 	css_param->update_flag.dvs_6axis_config =
3956 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3957 	return 0;
3958 
3959 error:
3960 	if (dvs_6axis_config)
3961 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3962 	return ret;
3963 }
3964 
3965 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3966 			   struct atomisp_morph_table *source_morph_table,
3967 			   struct atomisp_css_params *css_param,
3968 			   bool from_user)
3969 {
3970 	int ret = -EFAULT;
3971 	unsigned int i;
3972 	struct ia_css_morph_table *morph_table;
3973 	struct ia_css_morph_table *old_morph_table;
3974 
3975 	if (!source_morph_table)
3976 		return 0;
3977 
3978 	if (!from_user && css_param->update_flag.morph_table)
3979 		return 0;
3980 
3981 	old_morph_table = css_param->morph_table;
3982 
3983 	if (IS_ISP2401) {
3984 		struct ia_css_morph_table mtbl;
3985 
3986 		if (copy_from_compatible(&mtbl, source_morph_table,
3987 				sizeof(struct atomisp_morph_table),
3988 				from_user)) {
3989 			dev_err(asd->isp->dev, "copy morph table failed!");
3990 			return -EFAULT;
3991 		}
3992 
3993 		morph_table = atomisp_css_morph_table_allocate(
3994 				mtbl.width,
3995 				mtbl.height);
3996 		if (!morph_table)
3997 			return -ENOMEM;
3998 
3999 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4000 			if (copy_from_compatible(morph_table->coordinates_x[i],
4001 						(__force void *)source_morph_table->coordinates_x[i],
4002 						mtbl.height * mtbl.width *
4003 						sizeof(*morph_table->coordinates_x[i]),
4004 						from_user))
4005 				goto error;
4006 
4007 			if (copy_from_compatible(morph_table->coordinates_y[i],
4008 						(__force void *)source_morph_table->coordinates_y[i],
4009 						mtbl.height * mtbl.width *
4010 						sizeof(*morph_table->coordinates_y[i]),
4011 						from_user))
4012 				goto error;
4013 		}
4014 	} else {
4015 		morph_table = atomisp_css_morph_table_allocate(
4016 				source_morph_table->width,
4017 				source_morph_table->height);
4018 		if (!morph_table)
4019 			return -ENOMEM;
4020 
4021 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4022 			if (copy_from_compatible(morph_table->coordinates_x[i],
4023 						(__force void *)source_morph_table->coordinates_x[i],
4024 						source_morph_table->height * source_morph_table->width *
4025 						sizeof(*source_morph_table->coordinates_x[i]),
4026 						from_user))
4027 				goto error;
4028 
4029 			if (copy_from_compatible(morph_table->coordinates_y[i],
4030 						(__force void *)source_morph_table->coordinates_y[i],
4031 						source_morph_table->height * source_morph_table->width *
4032 						sizeof(*source_morph_table->coordinates_y[i]),
4033 						from_user))
4034 				goto error;
4035 		}
4036 	}
4037 
4038 	css_param->morph_table = morph_table;
4039 	if (old_morph_table)
4040 		atomisp_css_morph_table_free(old_morph_table);
4041 	css_param->update_flag.morph_table =
4042 	    (struct atomisp_morph_table *)morph_table;
4043 	return 0;
4044 
4045 error:
4046 	if (morph_table)
4047 		atomisp_css_morph_table_free(morph_table);
4048 	return ret;
4049 }
4050 
4051 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4052 				  struct atomisp_parameters *arg,
4053 				  struct atomisp_css_params *css_param)
4054 {
4055 	int ret;
4056 
4057 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4058 	if (ret)
4059 		return ret;
4060 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4061 	if (ret)
4062 		return ret;
4063 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4064 	if (ret)
4065 		return ret;
4066 	ret = atomisp_css_cp_dvs2_coefs(asd,
4067 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4068 					css_param, false);
4069 	if (ret)
4070 		return ret;
4071 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4072 					  css_param, false);
4073 	return ret;
4074 }
4075 
4076 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4077 {
4078 	if (css_param->dvs_6axis) {
4079 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4080 		css_param->dvs_6axis = NULL;
4081 	}
4082 	if (css_param->dvs2_coeff) {
4083 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4084 		css_param->dvs2_coeff = NULL;
4085 	}
4086 	if (css_param->shading_table) {
4087 		ia_css_shading_table_free(css_param->shading_table);
4088 		css_param->shading_table = NULL;
4089 	}
4090 	if (css_param->morph_table) {
4091 		ia_css_morph_table_free(css_param->morph_table);
4092 		css_param->morph_table = NULL;
4093 	}
4094 }
4095 
4096 /*
4097  * Check parameter queue list and buffer queue list to find out if matched items
4098  * and then set parameter to CSS and enqueue buffer to CSS.
4099  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4100  * parameter, it will be enqueued into CSS as long as the per-frame setting
4101  * buffers before it get enqueued.
4102  */
4103 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4104 {
4105 	struct atomisp_sub_device *asd = pipe->asd;
4106 	struct videobuf_buffer *vb = NULL, *vb_tmp;
4107 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4108 	struct videobuf_vmalloc_memory *vm_mem = NULL;
4109 	unsigned long irqflags;
4110 	bool need_to_enqueue_buffer = false;
4111 
4112 	if (atomisp_is_vf_pipe(pipe))
4113 		return;
4114 
4115 	/*
4116 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
4117 	 * is streamon.
4118 	 */
4119 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4120 		return;
4121 
4122 	if (list_empty(&pipe->per_frame_params) ||
4123 	    list_empty(&pipe->buffers_waiting_for_param))
4124 		return;
4125 
4126 	list_for_each_entry_safe(vb, vb_tmp,
4127 				 &pipe->buffers_waiting_for_param, queue) {
4128 		if (pipe->frame_request_config_id[vb->i]) {
4129 			list_for_each_entry_safe(param, param_tmp,
4130 						 &pipe->per_frame_params, list) {
4131 				if (pipe->frame_request_config_id[vb->i] !=
4132 				    param->params.isp_config_id)
4133 					continue;
4134 
4135 				list_del(&param->list);
4136 				list_del(&vb->queue);
4137 				/*
4138 				 * clear the request config id as the buffer
4139 				 * will be handled and enqueued into CSS soon
4140 				 */
4141 				pipe->frame_request_config_id[vb->i] = 0;
4142 				pipe->frame_params[vb->i] = param;
4143 				vm_mem = vb->priv;
4144 				BUG_ON(!vm_mem);
4145 				break;
4146 			}
4147 
4148 			if (vm_mem) {
4149 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
4150 				list_add_tail(&vb->queue, &pipe->activeq);
4151 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4152 				vm_mem = NULL;
4153 				need_to_enqueue_buffer = true;
4154 			} else {
4155 				/* The is the end, stop further loop */
4156 				break;
4157 			}
4158 		} else {
4159 			list_del(&vb->queue);
4160 			pipe->frame_params[vb->i] = NULL;
4161 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
4162 			list_add_tail(&vb->queue, &pipe->activeq);
4163 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4164 			need_to_enqueue_buffer = true;
4165 		}
4166 	}
4167 
4168 	if (!need_to_enqueue_buffer)
4169 		return;
4170 
4171 	atomisp_qbuffers_to_css(asd);
4172 
4173 	if (!IS_ISP2401) {
4174 		if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4175 			atomisp_wdt_start(asd);
4176 	} else {
4177 		if (atomisp_buffers_queued_pipe(pipe)) {
4178 			if (!atomisp_is_wdt_running(pipe))
4179 				atomisp_wdt_start_pipe(pipe);
4180 			else
4181 				atomisp_wdt_refresh_pipe(pipe,
4182 							ATOMISP_WDT_KEEP_CURRENT_DELAY);
4183 		}
4184 	}
4185 }
4186 
4187 /*
4188 * Function to configure ISP parameters
4189 */
4190 int atomisp_set_parameters(struct video_device *vdev,
4191 			   struct atomisp_parameters *arg)
4192 {
4193 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4194 	struct atomisp_sub_device *asd = pipe->asd;
4195 	struct atomisp_css_params_with_list *param = NULL;
4196 	struct atomisp_css_params *css_param = &asd->params.css_param;
4197 	int ret;
4198 
4199 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4200 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4201 		return -EINVAL;
4202 	}
4203 
4204 	dev_dbg(asd->isp->dev,
4205 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4206 		__func__, arg->per_frame_setting, asd->index,
4207 		arg->isp_config_id, vdev->name);
4208 
4209 	if (IS_ISP2401) {
4210 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4211 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4212 				__func__);
4213 			return -EINVAL;
4214 		}
4215 	}
4216 
4217 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4218 		/*
4219 		 * Per-frame setting enabled, we allocate a new parameter
4220 		 * buffer to cache the parameters and only when frame buffers
4221 		 * are ready, the parameters will be set to CSS.
4222 		 * per-frame setting only works for the main output frame.
4223 		 */
4224 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
4225 		if (!param) {
4226 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4227 				__func__);
4228 			return -ENOMEM;
4229 		}
4230 		css_param = &param->params;
4231 	}
4232 
4233 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4234 	if (ret)
4235 		goto apply_parameter_failed;
4236 
4237 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4238 	if (ret)
4239 		goto apply_parameter_failed;
4240 
4241 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4242 	if (ret)
4243 		goto apply_parameter_failed;
4244 
4245 	ret = atomisp_css_cp_dvs2_coefs(asd,
4246 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4247 					css_param, true);
4248 	if (ret)
4249 		goto apply_parameter_failed;
4250 
4251 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4252 					  css_param, true);
4253 	if (ret)
4254 		goto apply_parameter_failed;
4255 
4256 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4257 		/* indicate to CSS that we have parameters to be updated */
4258 		asd->params.css_update_params_needed = true;
4259 	} else {
4260 		list_add_tail(&param->list, &pipe->per_frame_params);
4261 		atomisp_handle_parameter_and_buffer(pipe);
4262 	}
4263 
4264 	return 0;
4265 
4266 apply_parameter_failed:
4267 	if (css_param)
4268 		atomisp_free_css_parameters(css_param);
4269 	kvfree(param);
4270 
4271 	return ret;
4272 }
4273 
4274 /*
4275  * Function to set/get isp parameters to isp
4276  */
4277 int atomisp_param(struct atomisp_sub_device *asd, int flag,
4278 		  struct atomisp_parm *config)
4279 {
4280 	struct ia_css_pipe_config *vp_cfg =
4281 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
4282 		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
4283 
4284 	/* Read parameter for 3A binary info */
4285 	if (flag == 0) {
4286 		struct ia_css_dvs_grid_info *dvs_grid_info =
4287 		    atomisp_css_get_dvs_grid_info(
4288 			&asd->params.curr_grid_info);
4289 
4290 		atomisp_curr_user_grid_info(asd, &config->info);
4291 
4292 		/* We always return the resolution and stride even if there is
4293 		 * no valid metadata. This allows the caller to get the
4294 		 * information needed to allocate user-space buffers. */
4295 		config->metadata_config.metadata_height = asd->
4296 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4297 			metadata_info.resolution.height;
4298 		config->metadata_config.metadata_stride = asd->
4299 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4300 			metadata_info.stride;
4301 
4302 		/* update dvs grid info */
4303 		if (dvs_grid_info)
4304 			memcpy(&config->dvs_grid,
4305 			       dvs_grid_info,
4306 			       sizeof(struct ia_css_dvs_grid_info));
4307 
4308 		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
4309 			config->dvs_envelop.width = 0;
4310 			config->dvs_envelop.height = 0;
4311 			return 0;
4312 		}
4313 
4314 		/* update dvs envelop info */
4315 		if (!asd->continuous_mode->val) {
4316 			config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
4317 			config->dvs_envelop.height =
4318 			    vp_cfg->dvs_envelope.height;
4319 		} else {
4320 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
4321 
4322 			dvs_w = vp_cfg->bayer_ds_out_res.width -
4323 				vp_cfg->output_info[0].res.width;
4324 			dvs_h = vp_cfg->bayer_ds_out_res.height -
4325 				vp_cfg->output_info[0].res.height;
4326 			dvs_w_max = rounddown(
4327 					vp_cfg->output_info[0].res.width / 5,
4328 					ATOM_ISP_STEP_WIDTH);
4329 			dvs_h_max = rounddown(
4330 					vp_cfg->output_info[0].res.height / 5,
4331 					ATOM_ISP_STEP_HEIGHT);
4332 
4333 			config->dvs_envelop.width = min(dvs_w, dvs_w_max);
4334 			config->dvs_envelop.height = min(dvs_h, dvs_h_max);
4335 		}
4336 
4337 		return 0;
4338 	}
4339 
4340 	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
4341 	       sizeof(struct ia_css_wb_config));
4342 	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
4343 	       sizeof(struct ia_css_ob_config));
4344 	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
4345 	       sizeof(struct ia_css_dp_config));
4346 	memcpy(&asd->params.css_param.de_config, &config->de_config,
4347 	       sizeof(struct ia_css_de_config));
4348 	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
4349 	       sizeof(struct ia_css_dz_config));
4350 	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
4351 	       sizeof(struct ia_css_ce_config));
4352 	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
4353 	       sizeof(struct ia_css_nr_config));
4354 	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
4355 	       sizeof(struct ia_css_ee_config));
4356 	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
4357 	       sizeof(struct ia_css_tnr_config));
4358 
4359 	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
4360 		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
4361 		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
4362 		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
4363 		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
4364 		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
4365 		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
4366 	}
4367 
4368 	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
4369 	    asd->params.color_effect != V4L2_COLORFX_BW) {
4370 		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
4371 		       sizeof(struct ia_css_cc_config));
4372 		asd->params.config.cc_config = &asd->params.css_param.cc_config;
4373 	}
4374 
4375 	asd->params.config.wb_config = &asd->params.css_param.wb_config;
4376 	asd->params.config.ob_config = &asd->params.css_param.ob_config;
4377 	asd->params.config.de_config = &asd->params.css_param.de_config;
4378 	asd->params.config.dz_config = &asd->params.css_param.dz_config;
4379 	asd->params.config.ce_config = &asd->params.css_param.ce_config;
4380 	asd->params.config.dp_config = &asd->params.css_param.dp_config;
4381 	asd->params.config.nr_config = &asd->params.css_param.nr_config;
4382 	asd->params.config.ee_config = &asd->params.css_param.ee_config;
4383 	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
4384 	asd->params.css_update_params_needed = true;
4385 
4386 	return 0;
4387 }
4388 
4389 /*
4390  * Function to configure color effect of the image
4391  */
4392 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
4393 			 __s32 *effect)
4394 {
4395 	struct ia_css_cc_config *cc_config = NULL;
4396 	struct ia_css_macc_table *macc_table = NULL;
4397 	struct ia_css_ctc_table *ctc_table = NULL;
4398 	int ret = 0;
4399 	struct v4l2_control control;
4400 	struct atomisp_device *isp = asd->isp;
4401 
4402 	if (flag == 0) {
4403 		*effect = asd->params.color_effect;
4404 		return 0;
4405 	}
4406 
4407 	control.id = V4L2_CID_COLORFX;
4408 	control.value = *effect;
4409 	ret =
4410 	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
4411 			&control);
4412 	/*
4413 	 * if set color effect to sensor successfully, return
4414 	 * 0 directly.
4415 	 */
4416 	if (!ret) {
4417 		asd->params.color_effect = (u32)*effect;
4418 		return 0;
4419 	}
4420 
4421 	if (*effect == asd->params.color_effect)
4422 		return 0;
4423 
4424 	/*
4425 	 * isp_subdev->params.macc_en should be set to false.
4426 	 */
4427 	asd->params.macc_en = false;
4428 
4429 	switch (*effect) {
4430 	case V4L2_COLORFX_NONE:
4431 		macc_table = &asd->params.css_param.macc_table;
4432 		asd->params.macc_en = true;
4433 		break;
4434 	case V4L2_COLORFX_SEPIA:
4435 		cc_config = &sepia_cc_config;
4436 		break;
4437 	case V4L2_COLORFX_NEGATIVE:
4438 		cc_config = &nega_cc_config;
4439 		break;
4440 	case V4L2_COLORFX_BW:
4441 		cc_config = &mono_cc_config;
4442 		break;
4443 	case V4L2_COLORFX_SKY_BLUE:
4444 		macc_table = &blue_macc_table;
4445 		asd->params.macc_en = true;
4446 		break;
4447 	case V4L2_COLORFX_GRASS_GREEN:
4448 		macc_table = &green_macc_table;
4449 		asd->params.macc_en = true;
4450 		break;
4451 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
4452 		macc_table = &skin_low_macc_table;
4453 		asd->params.macc_en = true;
4454 		break;
4455 	case V4L2_COLORFX_SKIN_WHITEN:
4456 		macc_table = &skin_medium_macc_table;
4457 		asd->params.macc_en = true;
4458 		break;
4459 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4460 		macc_table = &skin_high_macc_table;
4461 		asd->params.macc_en = true;
4462 		break;
4463 	case V4L2_COLORFX_VIVID:
4464 		ctc_table = &vivid_ctc_table;
4465 		break;
4466 	default:
4467 		return -EINVAL;
4468 	}
4469 	atomisp_update_capture_mode(asd);
4470 
4471 	if (cc_config)
4472 		asd->params.config.cc_config = cc_config;
4473 	if (macc_table)
4474 		asd->params.config.macc_table = macc_table;
4475 	if (ctc_table)
4476 		atomisp_css_set_ctc_table(asd, ctc_table);
4477 	asd->params.color_effect = (u32)*effect;
4478 	asd->params.css_update_params_needed = true;
4479 	return 0;
4480 }
4481 
4482 /*
4483  * Function to configure bad pixel correction
4484  */
4485 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4486 		      __s32 *value)
4487 {
4488 	if (flag == 0) {
4489 		*value = asd->params.bad_pixel_en;
4490 		return 0;
4491 	}
4492 	asd->params.bad_pixel_en = !!*value;
4493 
4494 	return 0;
4495 }
4496 
4497 /*
4498  * Function to configure bad pixel correction params
4499  */
4500 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4501 			    struct atomisp_dp_config *config)
4502 {
4503 	if (flag == 0) {
4504 		/* Get bad pixel from current setup */
4505 		if (atomisp_css_get_dp_config(asd, config))
4506 			return -EINVAL;
4507 	} else {
4508 		/* Set bad pixel to isp parameters */
4509 		memcpy(&asd->params.css_param.dp_config, config,
4510 		       sizeof(asd->params.css_param.dp_config));
4511 		asd->params.config.dp_config = &asd->params.css_param.dp_config;
4512 		asd->params.css_update_params_needed = true;
4513 	}
4514 
4515 	return 0;
4516 }
4517 
4518 /*
4519  * Function to enable/disable video image stablization
4520  */
4521 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4522 			 __s32 *value)
4523 {
4524 	if (flag == 0)
4525 		*value = asd->params.video_dis_en;
4526 	else
4527 		asd->params.video_dis_en = !!*value;
4528 
4529 	return 0;
4530 }
4531 
4532 /*
4533  * Function to configure fixed pattern noise
4534  */
4535 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4536 			  __s32 *value)
4537 {
4538 	if (flag == 0) {
4539 		*value = asd->params.fpn_en;
4540 		return 0;
4541 	}
4542 
4543 	if (*value == 0) {
4544 		asd->params.fpn_en = false;
4545 		return 0;
4546 	}
4547 
4548 	/* Add function to get black from from sensor with shutter off */
4549 	return 0;
4550 }
4551 
4552 static unsigned int
4553 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4554 				     enum ia_css_frame_format format)
4555 {
4556 	switch (format) {
4557 	case IA_CSS_FRAME_FORMAT_UYVY:
4558 	case IA_CSS_FRAME_FORMAT_YUYV:
4559 	case IA_CSS_FRAME_FORMAT_RAW:
4560 	case IA_CSS_FRAME_FORMAT_RGB565:
4561 		return bytesperline / 2;
4562 	case IA_CSS_FRAME_FORMAT_RGBA888:
4563 		return bytesperline / 4;
4564 	/* The following cases could be removed, but we leave them
4565 	   in to document the formats that are included. */
4566 	case IA_CSS_FRAME_FORMAT_NV11:
4567 	case IA_CSS_FRAME_FORMAT_NV12:
4568 	case IA_CSS_FRAME_FORMAT_NV16:
4569 	case IA_CSS_FRAME_FORMAT_NV21:
4570 	case IA_CSS_FRAME_FORMAT_NV61:
4571 	case IA_CSS_FRAME_FORMAT_YV12:
4572 	case IA_CSS_FRAME_FORMAT_YV16:
4573 	case IA_CSS_FRAME_FORMAT_YUV420:
4574 	case IA_CSS_FRAME_FORMAT_YUV420_16:
4575 	case IA_CSS_FRAME_FORMAT_YUV422:
4576 	case IA_CSS_FRAME_FORMAT_YUV422_16:
4577 	case IA_CSS_FRAME_FORMAT_YUV444:
4578 	case IA_CSS_FRAME_FORMAT_YUV_LINE:
4579 	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4580 	case IA_CSS_FRAME_FORMAT_QPLANE6:
4581 	case IA_CSS_FRAME_FORMAT_BINARY_8:
4582 	default:
4583 		return bytesperline;
4584 	}
4585 }
4586 
4587 static int
4588 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4589 				      struct ia_css_frame **result)
4590 {
4591 	struct ia_css_frame *res = NULL;
4592 	unsigned int padded_width;
4593 	enum ia_css_frame_format sh_format;
4594 	char *tmp_buf = NULL;
4595 	int ret = 0;
4596 
4597 	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4598 	padded_width = atomisp_bytesperline_to_padded_width(
4599 			   arg->fmt.bytesperline, sh_format);
4600 
4601 	/* Note: the padded width on an ia_css_frame is in elements, not in
4602 	   bytes. The RAW frame we use here should always be a 16bit RAW
4603 	   frame. This is why we bytesperline/2 is equal to the padded with */
4604 	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4605 				       sh_format, padded_width, 0)) {
4606 		ret = -ENOMEM;
4607 		goto err;
4608 	}
4609 
4610 	tmp_buf = vmalloc(arg->fmt.sizeimage);
4611 	if (!tmp_buf) {
4612 		ret = -ENOMEM;
4613 		goto err;
4614 	}
4615 	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4616 			   arg->fmt.sizeimage)) {
4617 		ret = -EFAULT;
4618 		goto err;
4619 	}
4620 
4621 	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4622 		ret = -EINVAL;
4623 		goto err;
4624 	}
4625 
4626 err:
4627 	if (ret && res)
4628 		ia_css_frame_free(res);
4629 	vfree(tmp_buf);
4630 	if (ret == 0)
4631 		*result = res;
4632 	return ret;
4633 }
4634 
4635 /*
4636  * Function to configure fixed pattern noise table
4637  */
4638 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4639 				struct v4l2_framebuffer *arg)
4640 {
4641 	struct ia_css_frame *raw_black_frame = NULL;
4642 	int ret;
4643 
4644 	if (!arg)
4645 		return -EINVAL;
4646 
4647 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4648 	if (ret)
4649 		return ret;
4650 
4651 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4652 				   raw_black_frame) != 0)
4653 		return -ENOMEM;
4654 
4655 	ia_css_frame_free(raw_black_frame);
4656 	return ret;
4657 }
4658 
4659 /*
4660  * Function to configure false color correction
4661  */
4662 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4663 			__s32 *value)
4664 {
4665 	/* Get nr config from current setup */
4666 	if (flag == 0) {
4667 		*value = asd->params.false_color;
4668 		return 0;
4669 	}
4670 
4671 	/* Set nr config to isp parameters */
4672 	if (*value) {
4673 		asd->params.config.de_config = NULL;
4674 	} else {
4675 		asd->params.css_param.de_config.pixelnoise = 0;
4676 		asd->params.config.de_config = &asd->params.css_param.de_config;
4677 	}
4678 	asd->params.css_update_params_needed = true;
4679 	asd->params.false_color = *value;
4680 	return 0;
4681 }
4682 
4683 /*
4684  * Function to configure bad pixel correction params
4685  */
4686 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4687 			      struct atomisp_de_config *config)
4688 {
4689 	if (flag == 0) {
4690 		/* Get false color from current setup */
4691 		if (atomisp_css_get_de_config(asd, config))
4692 			return -EINVAL;
4693 	} else {
4694 		/* Set false color to isp parameters */
4695 		memcpy(&asd->params.css_param.de_config, config,
4696 		       sizeof(asd->params.css_param.de_config));
4697 		asd->params.config.de_config = &asd->params.css_param.de_config;
4698 		asd->params.css_update_params_needed = true;
4699 	}
4700 
4701 	return 0;
4702 }
4703 
4704 /*
4705  * Function to configure white balance params
4706  */
4707 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4708 				struct atomisp_wb_config *config)
4709 {
4710 	if (flag == 0) {
4711 		/* Get white balance from current setup */
4712 		if (atomisp_css_get_wb_config(asd, config))
4713 			return -EINVAL;
4714 	} else {
4715 		/* Set white balance to isp parameters */
4716 		memcpy(&asd->params.css_param.wb_config, config,
4717 		       sizeof(asd->params.css_param.wb_config));
4718 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4719 		asd->params.css_update_params_needed = true;
4720 	}
4721 
4722 	return 0;
4723 }
4724 
4725 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4726 			    struct atomisp_3a_config *config)
4727 {
4728 	struct atomisp_device *isp = asd->isp;
4729 
4730 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4731 
4732 	if (flag == 0) {
4733 		/* Get white balance from current setup */
4734 		if (atomisp_css_get_3a_config(asd, config))
4735 			return -EINVAL;
4736 	} else {
4737 		/* Set white balance to isp parameters */
4738 		memcpy(&asd->params.css_param.s3a_config, config,
4739 		       sizeof(asd->params.css_param.s3a_config));
4740 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4741 		asd->params.css_update_params_needed = true;
4742 	}
4743 
4744 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4745 	return 0;
4746 }
4747 
4748 /*
4749  * Function to setup digital zoom
4750  */
4751 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4752 			 __s32 *value)
4753 {
4754 	u32 zoom;
4755 	struct atomisp_device *isp = asd->isp;
4756 
4757 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4758 
4759 	if (flag == 0) {
4760 		atomisp_css_get_zoom_factor(asd, &zoom);
4761 		*value = max_zoom - zoom;
4762 	} else {
4763 		if (*value < 0)
4764 			return -EINVAL;
4765 
4766 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4767 		atomisp_css_set_zoom_factor(asd, zoom);
4768 
4769 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4770 		asd->params.css_update_params_needed = true;
4771 	}
4772 
4773 	return 0;
4774 }
4775 
4776 /*
4777  * Function to get sensor specific info for current resolution,
4778  * which will be used for auto exposure conversion.
4779  */
4780 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4781 				 struct atomisp_sensor_mode_data *config)
4782 {
4783 	struct camera_mipi_info *mipi_info;
4784 	struct atomisp_device *isp = asd->isp;
4785 
4786 	mipi_info = atomisp_to_sensor_mipi_info(
4787 			isp->inputs[asd->input_curr].camera);
4788 	if (!mipi_info)
4789 		return -EINVAL;
4790 
4791 	memcpy(config, &mipi_info->data, sizeof(*config));
4792 	return 0;
4793 }
4794 
4795 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4796 {
4797 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4798 
4799 	f->fmt.pix = pipe->pix;
4800 
4801 	return 0;
4802 }
4803 
4804 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4805 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4806 {
4807 	int i;
4808 
4809 	/* assign virtual channel id return from sensor driver query */
4810 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4811 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4812 	for (i = 0; i < stream_info->isys_configs; i++) {
4813 		asd->stream_env[stream_index].isys_info[i].input_format =
4814 		    stream_info->isys_info[i].input_format;
4815 		asd->stream_env[stream_index].isys_info[i].width =
4816 		    stream_info->isys_info[i].width;
4817 		asd->stream_env[stream_index].isys_info[i].height =
4818 		    stream_info->isys_info[i].height;
4819 	}
4820 }
4821 
4822 static void __atomisp_init_stream_info(u16 stream_index,
4823 				       struct atomisp_input_stream_info *stream_info)
4824 {
4825 	int i;
4826 
4827 	stream_info->enable = 1;
4828 	stream_info->stream = stream_index;
4829 	stream_info->ch_id = 0;
4830 	stream_info->isys_configs = 0;
4831 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4832 		stream_info->isys_info[i].input_format = 0;
4833 		stream_info->isys_info[i].width = 0;
4834 		stream_info->isys_info[i].height = 0;
4835 	}
4836 }
4837 
4838 /* This function looks up the closest available resolution. */
4839 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_pix_format *f,
4840 		    bool *res_overflow)
4841 {
4842 	struct atomisp_device *isp = video_get_drvdata(vdev);
4843 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4844 	struct v4l2_subdev_pad_config pad_cfg;
4845 	struct v4l2_subdev_state pad_state = {
4846 		.pads = &pad_cfg
4847 		};
4848 	struct v4l2_subdev_format format = {
4849 		.which = V4L2_SUBDEV_FORMAT_TRY,
4850 	};
4851 
4852 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4853 	const struct atomisp_format_bridge *fmt;
4854 	struct atomisp_input_stream_info *stream_info =
4855 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4856 	u16 stream_index;
4857 	int source_pad = atomisp_subdev_source_pad(vdev);
4858 	int ret;
4859 
4860 	if (!isp->inputs[asd->input_curr].camera)
4861 		return -EINVAL;
4862 
4863 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4864 	fmt = atomisp_get_format_bridge(f->pixelformat);
4865 	if (!fmt) {
4866 		dev_err(isp->dev, "unsupported pixelformat!\n");
4867 		fmt = atomisp_output_fmts;
4868 	}
4869 
4870 	if (f->width <= 0 || f->height <= 0)
4871 		return -EINVAL;
4872 
4873 	snr_mbus_fmt->code = fmt->mbus_code;
4874 	snr_mbus_fmt->width = f->width;
4875 	snr_mbus_fmt->height = f->height;
4876 
4877 	__atomisp_init_stream_info(stream_index, stream_info);
4878 
4879 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4880 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4881 
4882 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4883 			       pad, set_fmt, &pad_state, &format);
4884 	if (ret)
4885 		return ret;
4886 
4887 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4888 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4889 
4890 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4891 	if (!fmt) {
4892 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4893 			snr_mbus_fmt->code);
4894 		return -EINVAL;
4895 	}
4896 
4897 	f->pixelformat = fmt->pixelformat;
4898 
4899 	/*
4900 	 * If the format is jpeg or custom RAW, then the width and height will
4901 	 * not satisfy the normal atomisp requirements and no need to check
4902 	 * the below conditions. So just assign to what is being returned from
4903 	 * the sensor driver.
4904 	 */
4905 	if (f->pixelformat == V4L2_PIX_FMT_JPEG ||
4906 	    f->pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4907 		f->width = snr_mbus_fmt->width;
4908 		f->height = snr_mbus_fmt->height;
4909 		return 0;
4910 	}
4911 
4912 	if (snr_mbus_fmt->width < f->width
4913 	    && snr_mbus_fmt->height < f->height) {
4914 		f->width = snr_mbus_fmt->width;
4915 		f->height = snr_mbus_fmt->height;
4916 		/* Set the flag when resolution requested is
4917 		 * beyond the max value supported by sensor
4918 		 */
4919 		if (res_overflow)
4920 			*res_overflow = true;
4921 	}
4922 
4923 	/* app vs isp */
4924 	f->width = rounddown(clamp_t(u32, f->width, ATOM_ISP_MIN_WIDTH,
4925 				     ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4926 	f->height = rounddown(clamp_t(u32, f->height, ATOM_ISP_MIN_HEIGHT,
4927 				      ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4928 
4929 	return 0;
4930 }
4931 
4932 static int
4933 atomisp_try_fmt_file(struct atomisp_device *isp, struct v4l2_format *f)
4934 {
4935 	u32 width = f->fmt.pix.width;
4936 	u32 height = f->fmt.pix.height;
4937 	u32 pixelformat = f->fmt.pix.pixelformat;
4938 	enum v4l2_field field = f->fmt.pix.field;
4939 	u32 depth;
4940 
4941 	if (!atomisp_get_format_bridge(pixelformat)) {
4942 		dev_err(isp->dev, "Wrong output pixelformat\n");
4943 		return -EINVAL;
4944 	}
4945 
4946 	depth = get_pixel_depth(pixelformat);
4947 
4948 	if (field == V4L2_FIELD_ANY) {
4949 		field = V4L2_FIELD_NONE;
4950 	} else if (field != V4L2_FIELD_NONE) {
4951 		dev_err(isp->dev, "Wrong output field\n");
4952 		return -EINVAL;
4953 	}
4954 
4955 	f->fmt.pix.field = field;
4956 	f->fmt.pix.width = clamp_t(u32,
4957 				   rounddown(width, (u32)ATOM_ISP_STEP_WIDTH),
4958 				   ATOM_ISP_MIN_WIDTH, ATOM_ISP_MAX_WIDTH);
4959 	f->fmt.pix.height = clamp_t(u32, rounddown(height,
4960 				    (u32)ATOM_ISP_STEP_HEIGHT),
4961 				    ATOM_ISP_MIN_HEIGHT, ATOM_ISP_MAX_HEIGHT);
4962 	f->fmt.pix.bytesperline = (width * depth) >> 3;
4963 
4964 	return 0;
4965 }
4966 
4967 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4968 				  enum atomisp_camera_port port)
4969 {
4970 	switch (port) {
4971 	case ATOMISP_CAMERA_PORT_PRIMARY:
4972 		return MIPI_PORT0_ID;
4973 	case ATOMISP_CAMERA_PORT_SECONDARY:
4974 		return MIPI_PORT1_ID;
4975 	case ATOMISP_CAMERA_PORT_TERTIARY:
4976 		if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID)
4977 			return MIPI_PORT1_ID + 1;
4978 		fallthrough;
4979 	default:
4980 		dev_err(isp->dev, "unsupported port: %d\n", port);
4981 		return MIPI_PORT0_ID;
4982 	}
4983 }
4984 
4985 static inline int atomisp_set_sensor_mipi_to_isp(
4986     struct atomisp_sub_device *asd,
4987     enum atomisp_input_stream_id stream_id,
4988     struct camera_mipi_info *mipi_info)
4989 {
4990 	struct v4l2_control ctrl;
4991 	struct atomisp_device *isp = asd->isp;
4992 	const struct atomisp_in_fmt_conv *fc;
4993 	int mipi_freq = 0;
4994 	unsigned int input_format, bayer_order;
4995 
4996 	ctrl.id = V4L2_CID_LINK_FREQ;
4997 	if (v4l2_g_ctrl
4998 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
4999 		mipi_freq = ctrl.value;
5000 
5001 	if (asd->stream_env[stream_id].isys_configs == 1) {
5002 		input_format =
5003 		    asd->stream_env[stream_id].isys_info[0].input_format;
5004 		atomisp_css_isys_set_format(asd, stream_id,
5005 					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
5006 	} else if (asd->stream_env[stream_id].isys_configs == 2) {
5007 		atomisp_css_isys_two_stream_cfg_update_stream1(
5008 		    asd, stream_id,
5009 		    asd->stream_env[stream_id].isys_info[0].input_format,
5010 		    asd->stream_env[stream_id].isys_info[0].width,
5011 		    asd->stream_env[stream_id].isys_info[0].height);
5012 
5013 		atomisp_css_isys_two_stream_cfg_update_stream2(
5014 		    asd, stream_id,
5015 		    asd->stream_env[stream_id].isys_info[1].input_format,
5016 		    asd->stream_env[stream_id].isys_info[1].width,
5017 		    asd->stream_env[stream_id].isys_info[1].height);
5018 	}
5019 
5020 	/* Compatibility for sensors which provide no media bus code
5021 	 * in s_mbus_framefmt() nor support pad formats. */
5022 	if (mipi_info->input_format != -1) {
5023 		bayer_order = mipi_info->raw_bayer_order;
5024 
5025 		/* Input stream config is still needs configured */
5026 		/* TODO: Check if this is necessary */
5027 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5028 			 mipi_info->input_format);
5029 		if (!fc)
5030 			return -EINVAL;
5031 		input_format = fc->atomisp_in_fmt;
5032 	} else {
5033 		struct v4l2_mbus_framefmt *sink;
5034 
5035 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5036 					       V4L2_SUBDEV_FORMAT_ACTIVE,
5037 					       ATOMISP_SUBDEV_PAD_SINK);
5038 		fc = atomisp_find_in_fmt_conv(sink->code);
5039 		if (!fc)
5040 			return -EINVAL;
5041 		input_format = fc->atomisp_in_fmt;
5042 		bayer_order = fc->bayer_order;
5043 	}
5044 
5045 	atomisp_css_input_set_format(asd, stream_id, input_format);
5046 	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
5047 
5048 	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5049 		 mipi_info->metadata_format);
5050 	if (!fc)
5051 		return -EINVAL;
5052 	input_format = fc->atomisp_in_fmt;
5053 	atomisp_css_input_configure_port(asd,
5054 					 __get_mipi_port(asd->isp, mipi_info->port),
5055 					 mipi_info->num_lanes,
5056 					 0xffff4, mipi_freq,
5057 					 input_format,
5058 					 mipi_info->metadata_width,
5059 					 mipi_info->metadata_height);
5060 	return 0;
5061 }
5062 
5063 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
5064 				    bool enable)
5065 {
5066 	struct atomisp_device *isp = asd->isp;
5067 
5068 	dev_dbg(isp->dev,
5069 		"continuous mode %d, raw buffers %d, stop preview %d\n",
5070 		enable, asd->continuous_raw_buffer_size->val,
5071 		!asd->continuous_viewfinder->val);
5072 
5073 	if (!IS_ISP2401)
5074 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
5075 	else
5076 		atomisp_update_capture_mode(asd);
5077 
5078 	/* in case of ANR, force capture pipe to offline mode */
5079 	atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5080 					  asd->params.low_light ? false : !enable);
5081 	atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5082 					  !enable);
5083 	atomisp_css_enable_continuous(asd, enable);
5084 	atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
5085 
5086 	atomisp_css_continuous_set_num_raw_frames(asd,
5087 		asd->continuous_raw_buffer_size->val);
5088 
5089 	if (!enable) {
5090 		atomisp_css_enable_raw_binning(asd, false);
5091 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
5092 	}
5093 
5094 	if (isp->inputs[asd->input_curr].type != FILE_INPUT)
5095 		atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5096 
5097 	return atomisp_update_run_mode(asd);
5098 }
5099 
5100 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
5101 				  unsigned int width, unsigned int height)
5102 {
5103 	return 0;
5104 }
5105 
5106 static int configure_output_nop(struct atomisp_sub_device *asd,
5107 				unsigned int width, unsigned int height,
5108 				unsigned int min_width,
5109 				enum ia_css_frame_format sh_fmt)
5110 {
5111 	return 0;
5112 }
5113 
5114 static int get_frame_info_nop(struct atomisp_sub_device *asd,
5115 			      struct ia_css_frame_info *finfo)
5116 {
5117 	return 0;
5118 }
5119 
5120 /*
5121  * Resets CSS parameters that depend on input resolution.
5122  *
5123  * Update params like CSS RAW binning, 2ppc mode and pp_input
5124  * which depend on input size, but are not automatically
5125  * handled in CSS when the input resolution is changed.
5126  */
5127 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
5128 					struct v4l2_mbus_framefmt *ffmt)
5129 {
5130 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
5131 	unsigned int i;
5132 
5133 	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
5134 		ffmt->width, ffmt->height);
5135 
5136 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5137 	atomisp_css_input_set_two_pixels_per_clock(asd, false);
5138 #else
5139 	atomisp_css_input_set_two_pixels_per_clock(asd, true);
5140 #endif
5141 	if (asd->continuous_mode->val) {
5142 		/* Note for all checks: ffmt includes pad_w+pad_h */
5143 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
5144 		    (ffmt->width >= 2048 || ffmt->height >= 1536)) {
5145 			/*
5146 			 * For preview pipe, enable only if resolution
5147 			 * is >= 3M for ISP2400.
5148 			 */
5149 			atomisp_css_enable_raw_binning(asd, true);
5150 		}
5151 	}
5152 	/*
5153 	 * If sensor input changed, which means metadata resolution changed
5154 	 * together. Release all metadata buffers here to let it re-allocated
5155 	 * next time in reqbufs.
5156 	 */
5157 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
5158 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
5159 					 list) {
5160 			atomisp_css_free_metadata_buffer(md_buf);
5161 			list_del(&md_buf->list);
5162 			kfree(md_buf);
5163 		}
5164 	}
5165 	return 0;
5166 
5167 	/*
5168 	 * TODO: atomisp_css_preview_configure_pp_input() not
5169 	 *       reset due to CSS bug tracked as PSI BZ 115124
5170 	 */
5171 }
5172 
5173 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
5174 				  struct ia_css_frame_info *output_info,
5175 				  struct ia_css_frame_info *raw_output_info,
5176 				  struct v4l2_pix_format *pix,
5177 				  unsigned int source_pad)
5178 {
5179 	struct camera_mipi_info *mipi_info;
5180 	struct atomisp_device *isp = video_get_drvdata(vdev);
5181 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5182 	const struct atomisp_format_bridge *format;
5183 	struct v4l2_rect *isp_sink_crop;
5184 	enum ia_css_pipe_id pipe_id;
5185 	struct v4l2_subdev_fh fh;
5186 	int (*configure_output)(struct atomisp_sub_device *asd,
5187 				unsigned int width, unsigned int height,
5188 				unsigned int min_width,
5189 				enum ia_css_frame_format sh_fmt) =
5190 				    configure_output_nop;
5191 	int (*get_frame_info)(struct atomisp_sub_device *asd,
5192 			      struct ia_css_frame_info *finfo) =
5193 				  get_frame_info_nop;
5194 	int (*configure_pp_input)(struct atomisp_sub_device *asd,
5195 				  unsigned int width, unsigned int height) =
5196 				      configure_pp_input_nop;
5197 	u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5198 	const struct atomisp_in_fmt_conv *fc;
5199 	int ret, i;
5200 
5201 	v4l2_fh_init(&fh.vfh, vdev);
5202 
5203 	isp_sink_crop = atomisp_subdev_get_rect(
5204 			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5205 			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
5206 
5207 	format = atomisp_get_format_bridge(pix->pixelformat);
5208 	if (!format)
5209 		return -EINVAL;
5210 
5211 	if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
5212 	    isp->inputs[asd->input_curr].type != FILE_INPUT) {
5213 		mipi_info = atomisp_to_sensor_mipi_info(
5214 				isp->inputs[asd->input_curr].camera);
5215 		if (!mipi_info) {
5216 			dev_err(isp->dev, "mipi_info is NULL\n");
5217 			return -EINVAL;
5218 		}
5219 		if (atomisp_set_sensor_mipi_to_isp(asd, stream_index,
5220 						   mipi_info))
5221 			return -EINVAL;
5222 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5223 			 mipi_info->input_format);
5224 		if (!fc)
5225 			fc = atomisp_find_in_fmt_conv(
5226 				 atomisp_subdev_get_ffmt(&asd->subdev,
5227 							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5228 							 ATOMISP_SUBDEV_PAD_SINK)->code);
5229 		if (!fc)
5230 			return -EINVAL;
5231 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
5232 		    raw_output_format_match_input(fc->atomisp_in_fmt,
5233 						  pix->pixelformat))
5234 			return -EINVAL;
5235 	}
5236 
5237 	/*
5238 	 * Configure viewfinder also when vfpp is disabled: the
5239 	 * CSS still requires viewfinder configuration.
5240 	 */
5241 	if (asd->fmt_auto->val ||
5242 	    asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
5243 		struct v4l2_rect vf_size = {0};
5244 		struct v4l2_mbus_framefmt vf_ffmt = {0};
5245 
5246 		if (pix->width < 640 || pix->height < 480) {
5247 			vf_size.width = pix->width;
5248 			vf_size.height = pix->height;
5249 		} else {
5250 			vf_size.width = 640;
5251 			vf_size.height = 480;
5252 		}
5253 
5254 		/* FIXME: proper format name for this one. See
5255 		   atomisp_output_fmts[] in atomisp_v4l2.c */
5256 		vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
5257 
5258 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5259 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5260 					     ATOMISP_SUBDEV_PAD_SOURCE_VF,
5261 					     V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
5262 		atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
5263 					V4L2_SUBDEV_FORMAT_ACTIVE,
5264 					ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
5265 		asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
5266 
5267 		if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5268 			atomisp_css_video_configure_viewfinder(asd,
5269 							       vf_size.width, vf_size.height, 0,
5270 							       asd->video_out_vf.sh_fmt);
5271 		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5272 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5273 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
5274 				atomisp_css_video_configure_viewfinder(asd,
5275 								       vf_size.width, vf_size.height, 0,
5276 								       asd->video_out_vf.sh_fmt);
5277 			else
5278 				atomisp_css_capture_configure_viewfinder(asd,
5279 					vf_size.width, vf_size.height, 0,
5280 					asd->video_out_vf.sh_fmt);
5281 		} else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5282 			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
5283 			atomisp_css_capture_configure_viewfinder(asd,
5284 				vf_size.width, vf_size.height, 0,
5285 				asd->video_out_vf.sh_fmt);
5286 		}
5287 	}
5288 
5289 	if (asd->continuous_mode->val) {
5290 		ret = __enable_continuous_mode(asd, true);
5291 		if (ret)
5292 			return -EINVAL;
5293 	}
5294 
5295 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5296 
5297 	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
5298 		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
5299 
5300 	/* ISP2401 new input system need to use copy pipe */
5301 	if (asd->copy_mode) {
5302 		pipe_id = IA_CSS_PIPE_ID_COPY;
5303 		atomisp_css_capture_enable_online(asd, stream_index, false);
5304 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5305 		/* video same in continuouscapture and online modes */
5306 		configure_output = atomisp_css_video_configure_output;
5307 		get_frame_info = atomisp_css_video_get_output_frame_info;
5308 		pipe_id = IA_CSS_PIPE_ID_VIDEO;
5309 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5310 		if (!asd->continuous_mode->val) {
5311 			configure_output = atomisp_css_video_configure_output;
5312 			get_frame_info =
5313 			    atomisp_css_video_get_output_frame_info;
5314 			pipe_id = IA_CSS_PIPE_ID_VIDEO;
5315 		} else {
5316 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5317 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5318 				configure_output =
5319 				    atomisp_css_video_configure_output;
5320 				get_frame_info =
5321 				    atomisp_css_video_get_output_frame_info;
5322 				configure_pp_input =
5323 				    atomisp_css_video_configure_pp_input;
5324 				pipe_id = IA_CSS_PIPE_ID_VIDEO;
5325 			} else {
5326 				configure_output =
5327 				    atomisp_css_capture_configure_output;
5328 				get_frame_info =
5329 				    atomisp_css_capture_get_output_frame_info;
5330 				configure_pp_input =
5331 				    atomisp_css_capture_configure_pp_input;
5332 				pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5333 
5334 				atomisp_update_capture_mode(asd);
5335 				atomisp_css_capture_enable_online(asd, stream_index, false);
5336 			}
5337 		}
5338 	} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5339 		configure_output = atomisp_css_preview_configure_output;
5340 		get_frame_info = atomisp_css_preview_get_output_frame_info;
5341 		configure_pp_input = atomisp_css_preview_configure_pp_input;
5342 		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
5343 	} else {
5344 		/* CSS doesn't support low light mode on SOC cameras, so disable
5345 		 * it. FIXME: if this is done elsewhere, it gives corrupted
5346 		 * colors into thumbnail image.
5347 		 */
5348 		if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5349 			asd->params.low_light = false;
5350 
5351 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5352 			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
5353 			atomisp_css_enable_dz(asd, false);
5354 		} else {
5355 			atomisp_update_capture_mode(asd);
5356 		}
5357 
5358 		if (!asd->continuous_mode->val)
5359 			/* in case of ANR, force capture pipe to offline mode */
5360 			atomisp_css_capture_enable_online(asd, stream_index,
5361 							  asd->params.low_light ?
5362 							  false : asd->params.online_process);
5363 
5364 		configure_output = atomisp_css_capture_configure_output;
5365 		get_frame_info = atomisp_css_capture_get_output_frame_info;
5366 		configure_pp_input = atomisp_css_capture_configure_pp_input;
5367 		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5368 
5369 		if (!asd->params.online_process &&
5370 		    !asd->continuous_mode->val) {
5371 			ret = atomisp_css_capture_get_output_raw_frame_info(asd,
5372 				raw_output_info);
5373 			if (ret)
5374 				return ret;
5375 		}
5376 		if (!asd->continuous_mode->val && asd->run_mode->val
5377 		    != ATOMISP_RUN_MODE_STILL_CAPTURE) {
5378 			dev_err(isp->dev,
5379 				"Need to set the running mode first\n");
5380 			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
5381 		}
5382 	}
5383 
5384 	/*
5385 	 * to SOC camera, use yuvpp pipe.
5386 	 */
5387 	if (ATOMISP_USE_YUVPP(asd))
5388 		pipe_id = IA_CSS_PIPE_ID_YUVPP;
5389 
5390 	if (asd->copy_mode)
5391 		ret = atomisp_css_copy_configure_output(asd, stream_index,
5392 							pix->width, pix->height,
5393 							format->planar ? pix->bytesperline :
5394 							pix->bytesperline * 8 / format->depth,
5395 							format->sh_fmt);
5396 	else
5397 		ret = configure_output(asd, pix->width, pix->height,
5398 				       format->planar ? pix->bytesperline :
5399 				       pix->bytesperline * 8 / format->depth,
5400 				       format->sh_fmt);
5401 	if (ret) {
5402 		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
5403 			pix->width, pix->height, format->sh_fmt);
5404 		return -EINVAL;
5405 	}
5406 
5407 	ret = configure_pp_input(asd, isp_sink_crop->width, isp_sink_crop->height);
5408 	if (ret) {
5409 		dev_err(isp->dev, "configure_pp_input %ux%u\n",
5410 			isp_sink_crop->width,
5411 			isp_sink_crop->height);
5412 		return -EINVAL;
5413 	}
5414 	if (asd->copy_mode)
5415 		ret = atomisp_css_copy_get_output_frame_info(asd, stream_index,
5416 			output_info);
5417 	else
5418 		ret = get_frame_info(asd, output_info);
5419 	if (ret) {
5420 		dev_err(isp->dev, "get_frame_info %ux%u (padded to %u)\n",
5421 			pix->width, pix->height, pix->bytesperline);
5422 		return -EINVAL;
5423 	}
5424 
5425 	atomisp_update_grid_info(asd, pipe_id, source_pad);
5426 
5427 	/* Free the raw_dump buffer first */
5428 	ia_css_frame_free(asd->raw_output_frame);
5429 	asd->raw_output_frame = NULL;
5430 
5431 	if (!asd->continuous_mode->val &&
5432 	    !asd->params.online_process && !isp->sw_contex.file_input &&
5433 	    ia_css_frame_allocate_from_info(&asd->raw_output_frame,
5434 		    raw_output_info))
5435 		return -ENOMEM;
5436 
5437 	return 0;
5438 }
5439 
5440 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
5441 				    unsigned int width, unsigned int height,
5442 				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
5443 {
5444 	struct atomisp_device *isp = asd->isp;
5445 
5446 	/* if subdev type is SOC camera,we do not need to set DVS */
5447 	if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5448 		asd->params.video_dis_en = false;
5449 
5450 	if (asd->params.video_dis_en &&
5451 	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5452 		/* envelope is 20% of the output resolution */
5453 		/*
5454 		 * dvs envelope cannot be round up.
5455 		 * it would cause ISP timeout and color switch issue
5456 		 */
5457 		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5458 		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5459 	}
5460 
5461 	asd->params.dis_proj_data_valid = false;
5462 	asd->params.css_update_params_needed = true;
5463 }
5464 
5465 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5466 				    int source_pad, struct v4l2_pix_format *f)
5467 {
5468 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5469 	struct v4l2_mbus_framefmt *sink, *src;
5470 
5471 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5472 				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5473 	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5474 				      V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5475 
5476 	if ((sink->code == src->code &&
5477 	     sink->width == f->width &&
5478 	     sink->height == f->height) ||
5479 	    ((asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5480 	     (asd->isp->inputs[asd->input_curr].camera_caps->
5481 	      sensor[asd->sensor_curr].stream_num > 1)))
5482 		asd->copy_mode = true;
5483 	else
5484 #endif
5485 		/* Only used for the new input system */
5486 		asd->copy_mode = false;
5487 
5488 	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5489 }
5490 
5491 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5492 				  struct v4l2_pix_format *f, unsigned int pixelformat,
5493 				  unsigned int padding_w, unsigned int padding_h,
5494 				  unsigned int dvs_env_w, unsigned int dvs_env_h)
5495 {
5496 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5497 	const struct atomisp_format_bridge *format;
5498 	struct v4l2_subdev_pad_config pad_cfg;
5499 	struct v4l2_subdev_state pad_state = {
5500 		.pads = &pad_cfg
5501 		};
5502 	struct v4l2_subdev_format vformat = {
5503 		.which = V4L2_SUBDEV_FORMAT_TRY,
5504 	};
5505 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5506 	struct v4l2_mbus_framefmt *req_ffmt;
5507 	struct atomisp_device *isp = asd->isp;
5508 	struct atomisp_input_stream_info *stream_info =
5509 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5510 	u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5511 	int source_pad = atomisp_subdev_source_pad(vdev);
5512 	struct v4l2_subdev_fh fh;
5513 	int ret;
5514 
5515 	v4l2_fh_init(&fh.vfh, vdev);
5516 
5517 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5518 
5519 	format = atomisp_get_format_bridge(pixelformat);
5520 	if (!format)
5521 		return -EINVAL;
5522 
5523 	v4l2_fill_mbus_format(ffmt, f, format->mbus_code);
5524 	ffmt->height += padding_h + dvs_env_h;
5525 	ffmt->width += padding_w + dvs_env_w;
5526 
5527 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5528 		ffmt->width, ffmt->height, padding_w, padding_h,
5529 		dvs_env_w, dvs_env_h);
5530 
5531 	__atomisp_init_stream_info(stream_index, stream_info);
5532 
5533 	req_ffmt = ffmt;
5534 
5535 	/* Disable dvs if resolution can't be supported by sensor */
5536 	if (asd->params.video_dis_en &&
5537 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5538 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5539 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5540 				       pad, set_fmt, &pad_state, &vformat);
5541 		if (ret)
5542 			return ret;
5543 		if (ffmt->width < req_ffmt->width ||
5544 		    ffmt->height < req_ffmt->height) {
5545 			req_ffmt->height -= dvs_env_h;
5546 			req_ffmt->width -= dvs_env_w;
5547 			ffmt = req_ffmt;
5548 			dev_warn(isp->dev,
5549 				 "can not enable video dis due to sensor limitation.");
5550 			asd->params.video_dis_en = false;
5551 		}
5552 	}
5553 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5554 		ffmt->width, ffmt->height);
5555 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5556 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5557 			       set_fmt, NULL, &vformat);
5558 	if (ret)
5559 		return ret;
5560 
5561 	__atomisp_update_stream_env(asd, stream_index, stream_info);
5562 
5563 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5564 		ffmt->width, ffmt->height);
5565 
5566 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5567 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5568 		return -EINVAL;
5569 
5570 	if (asd->params.video_dis_en &&
5571 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5572 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5573 		dev_warn(isp->dev,
5574 			 "can not enable video dis due to sensor limitation.");
5575 		asd->params.video_dis_en = false;
5576 	}
5577 
5578 	atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
5579 				V4L2_SUBDEV_FORMAT_ACTIVE,
5580 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5581 
5582 	return css_input_resolution_changed(asd, ffmt);
5583 }
5584 
5585 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5586 {
5587 	struct atomisp_device *isp = video_get_drvdata(vdev);
5588 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5589 	struct atomisp_sub_device *asd = pipe->asd;
5590 	const struct atomisp_format_bridge *format_bridge;
5591 	const struct atomisp_format_bridge *snr_format_bridge;
5592 	struct ia_css_frame_info output_info, raw_output_info;
5593 	struct v4l2_pix_format snr_fmt = f->fmt.pix;
5594 	struct v4l2_pix_format backup_fmt = snr_fmt, s_fmt;
5595 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5596 	unsigned int padding_w = pad_w, padding_h = pad_h;
5597 	bool res_overflow = false, crop_needs_override = false;
5598 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5599 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5600 	struct v4l2_rect isp_sink_crop;
5601 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5602 	struct v4l2_subdev_fh fh;
5603 	int ret;
5604 
5605 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5606 		return -EINVAL;
5607 
5608 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5609 		dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5610 		return -EBUSY;
5611 	}
5612 
5613 	dev_dbg(isp->dev,
5614 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5615 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5616 		asd->index, f->fmt.pix.bytesperline);
5617 
5618 	v4l2_fh_init(&fh.vfh, vdev);
5619 
5620 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5621 	if (!format_bridge)
5622 		return -EINVAL;
5623 
5624 	pipe->sh_fmt = format_bridge->sh_fmt;
5625 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5626 
5627 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5628 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5629 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5630 		if (asd->fmt_auto->val) {
5631 			struct v4l2_rect *capture_comp;
5632 			struct v4l2_rect r = {0};
5633 
5634 			r.width = f->fmt.pix.width;
5635 			r.height = f->fmt.pix.height;
5636 
5637 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5638 				capture_comp = atomisp_subdev_get_rect(
5639 						   &asd->subdev, NULL,
5640 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5641 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5642 						   V4L2_SEL_TGT_COMPOSE);
5643 			else
5644 				capture_comp = atomisp_subdev_get_rect(
5645 						   &asd->subdev, NULL,
5646 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5647 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5648 						   V4L2_SEL_TGT_COMPOSE);
5649 
5650 			if (capture_comp->width < r.width
5651 			    || capture_comp->height < r.height) {
5652 				r.width = capture_comp->width;
5653 				r.height = capture_comp->height;
5654 			}
5655 
5656 			atomisp_subdev_set_selection(
5657 			    &asd->subdev, fh.state,
5658 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5659 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5660 
5661 			f->fmt.pix.width = r.width;
5662 			f->fmt.pix.height = r.height;
5663 		}
5664 
5665 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5666 		    (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5667 		    (asd->isp->inputs[asd->input_curr].camera_caps->
5668 		     sensor[asd->sensor_curr].stream_num > 1)) {
5669 			/* For M10MO outputing YUV preview images. */
5670 			u16 video_index =
5671 			    atomisp_source_pad_to_stream_id(asd,
5672 							    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5673 
5674 			ret = atomisp_css_copy_get_output_frame_info(asd,
5675 				video_index, &output_info);
5676 			if (ret) {
5677 				dev_err(isp->dev,
5678 					"copy_get_output_frame_info ret %i", ret);
5679 				return -EINVAL;
5680 			}
5681 			if (!asd->yuvpp_mode) {
5682 				/*
5683 				 * If viewfinder was configured into copy_mode,
5684 				 * we switch to using yuvpp pipe instead.
5685 				 */
5686 				asd->yuvpp_mode = true;
5687 				ret = atomisp_css_copy_configure_output(
5688 					  asd, video_index, 0, 0, 0, 0);
5689 				if (ret) {
5690 					dev_err(isp->dev,
5691 						"failed to disable copy pipe");
5692 					return -EINVAL;
5693 				}
5694 				ret = atomisp_css_yuvpp_configure_output(
5695 					  asd, video_index,
5696 					  output_info.res.width,
5697 					  output_info.res.height,
5698 					  output_info.padded_width,
5699 					  output_info.format);
5700 				if (ret) {
5701 					dev_err(isp->dev,
5702 						"failed to set up yuvpp pipe\n");
5703 					return -EINVAL;
5704 				}
5705 				atomisp_css_video_enable_online(asd, false);
5706 				atomisp_css_preview_enable_online(asd,
5707 								  ATOMISP_INPUT_STREAM_GENERAL, false);
5708 			}
5709 			atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5710 							       f->fmt.pix.width, f->fmt.pix.height,
5711 							       format_bridge->planar ? f->fmt.pix.bytesperline
5712 							       : f->fmt.pix.bytesperline * 8
5713 							       / format_bridge->depth, format_bridge->sh_fmt);
5714 			atomisp_css_yuvpp_get_viewfinder_frame_info(
5715 			    asd, video_index, &output_info);
5716 		} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5717 			atomisp_css_video_configure_viewfinder(asd,
5718 							       f->fmt.pix.width, f->fmt.pix.height,
5719 							       format_bridge->planar ? f->fmt.pix.bytesperline
5720 							       : f->fmt.pix.bytesperline * 8
5721 							       / format_bridge->depth,	format_bridge->sh_fmt);
5722 			atomisp_css_video_get_viewfinder_frame_info(asd,
5723 				&output_info);
5724 			asd->copy_mode = false;
5725 		} else {
5726 			atomisp_css_capture_configure_viewfinder(asd,
5727 				f->fmt.pix.width, f->fmt.pix.height,
5728 				format_bridge->planar ? f->fmt.pix.bytesperline
5729 				: f->fmt.pix.bytesperline * 8
5730 				/ format_bridge->depth,	format_bridge->sh_fmt);
5731 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5732 				&output_info);
5733 			asd->copy_mode = false;
5734 		}
5735 
5736 		goto done;
5737 	}
5738 	/*
5739 	 * Check whether main resolution configured smaller
5740 	 * than snapshot resolution. If so, force main resolution
5741 	 * to be the same as snapshot resolution
5742 	 */
5743 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5744 		struct v4l2_rect *r;
5745 
5746 		r = atomisp_subdev_get_rect(
5747 			&asd->subdev, NULL,
5748 			V4L2_SUBDEV_FORMAT_ACTIVE,
5749 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5750 
5751 		if (r->width && r->height
5752 		    && (r->width > f->fmt.pix.width
5753 			|| r->height > f->fmt.pix.height))
5754 			dev_warn(isp->dev,
5755 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5756 	}
5757 
5758 	/* Pipeline configuration done through subdevs. Bail out now. */
5759 	if (!asd->fmt_auto->val)
5760 		goto set_fmt_to_isp;
5761 
5762 	/* get sensor resolution and format */
5763 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5764 	if (ret) {
5765 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5766 		return ret;
5767 	}
5768 	f->fmt.pix.width = snr_fmt.width;
5769 	f->fmt.pix.height = snr_fmt.height;
5770 
5771 	snr_format_bridge = atomisp_get_format_bridge(snr_fmt.pixelformat);
5772 	if (!snr_format_bridge) {
5773 		dev_warn(isp->dev, "Can't find bridge format\n");
5774 		return -EINVAL;
5775 	}
5776 
5777 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5778 				V4L2_SUBDEV_FORMAT_ACTIVE,
5779 				ATOMISP_SUBDEV_PAD_SINK)->code =
5780 				    snr_format_bridge->mbus_code;
5781 
5782 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5783 						V4L2_SUBDEV_FORMAT_ACTIVE,
5784 						ATOMISP_SUBDEV_PAD_SINK);
5785 
5786 	isp_source_fmt.code = format_bridge->mbus_code;
5787 	atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
5788 				V4L2_SUBDEV_FORMAT_ACTIVE,
5789 				source_pad, &isp_source_fmt);
5790 
5791 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5792 		padding_w = 0;
5793 		padding_h = 0;
5794 	} else if (IS_BYT) {
5795 		padding_w = 12;
5796 		padding_h = 12;
5797 	}
5798 
5799 	/* construct resolution supported by isp */
5800 	if (res_overflow && !asd->continuous_mode->val) {
5801 		f->fmt.pix.width = rounddown(
5802 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5803 					       ATOM_ISP_MIN_WIDTH,
5804 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5805 		f->fmt.pix.height = rounddown(
5806 					clamp_t(u32, f->fmt.pix.height - padding_h,
5807 						ATOM_ISP_MIN_HEIGHT,
5808 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5809 	}
5810 
5811 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5812 				&dvs_env_w, &dvs_env_h);
5813 
5814 	if (asd->continuous_mode->val) {
5815 		struct v4l2_rect *r;
5816 
5817 		r = atomisp_subdev_get_rect(
5818 			&asd->subdev, NULL,
5819 			V4L2_SUBDEV_FORMAT_ACTIVE,
5820 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5821 			V4L2_SEL_TGT_COMPOSE);
5822 		/*
5823 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5824 		 * properly set otherwise, it should not be the capture_pad.
5825 		 */
5826 		if (r->width && r->height)
5827 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5828 		else
5829 			asd->capture_pad = source_pad;
5830 	} else {
5831 		asd->capture_pad = source_pad;
5832 	}
5833 	/*
5834 	 * set format info to sensor
5835 	 * In continuous mode, resolution is set only if it is higher than
5836 	 * existing value. This because preview pipe will be configured after
5837 	 * capture pipe and usually has lower resolution than capture pipe.
5838 	 */
5839 	if (!asd->continuous_mode->val ||
5840 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5841 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5842 				    dvs_env_h)) {
5843 		/*
5844 		 * For jpeg or custom raw format the sensor will return constant
5845 		 * width and height. Because we already had quried try_mbus_fmt,
5846 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5847 		 * this fixed width and height. So we cannot select the correct
5848 		 * resolution with that information. So use the original width
5849 		 * and height while set_mbus_fmt() so actual resolutions are
5850 		 * being used in while set media bus format.
5851 		 */
5852 		s_fmt = f->fmt.pix;
5853 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5854 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5855 			s_fmt.width = backup_fmt.width;
5856 			s_fmt.height = backup_fmt.height;
5857 		}
5858 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5859 					     f->fmt.pix.pixelformat, padding_w,
5860 					     padding_h, dvs_env_w, dvs_env_h);
5861 		if (ret) {
5862 			dev_warn(isp->dev,
5863 				 "Set format to sensor failed with %d\n", ret);
5864 			return -EINVAL;
5865 		}
5866 
5867 		atomisp_csi_lane_config(isp);
5868 		crop_needs_override = true;
5869 	}
5870 
5871 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5872 	asd->yuvpp_mode = false;			/* Reset variable */
5873 
5874 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5875 			V4L2_SUBDEV_FORMAT_ACTIVE,
5876 			ATOMISP_SUBDEV_PAD_SINK,
5877 			V4L2_SEL_TGT_CROP);
5878 
5879 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5880 	 * width or height) bigger than the desired result. */
5881 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5882 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5883 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5884 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5885 	       !asd->continuous_mode->val) ||
5886 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5887 		/* for continuous mode, preview size might be smaller than
5888 		 * still capture size. if preview size still needs crop,
5889 		 * pick the larger one between crop size of preview and
5890 		 * still capture.
5891 		 */
5892 		if (asd->continuous_mode->val
5893 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5894 		    && !crop_needs_override) {
5895 			isp_sink_crop.width =
5896 			    max_t(unsigned int, f->fmt.pix.width,
5897 				  isp_sink_crop.width);
5898 			isp_sink_crop.height =
5899 			    max_t(unsigned int, f->fmt.pix.height,
5900 				  isp_sink_crop.height);
5901 		} else {
5902 			isp_sink_crop.width = f->fmt.pix.width;
5903 			isp_sink_crop.height = f->fmt.pix.height;
5904 		}
5905 
5906 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5907 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5908 					     ATOMISP_SUBDEV_PAD_SINK,
5909 					     V4L2_SEL_TGT_CROP,
5910 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5911 					     &isp_sink_crop);
5912 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5913 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5914 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5915 					     0, &isp_sink_crop);
5916 	} else if (IS_MOFD) {
5917 		struct v4l2_rect main_compose = {0};
5918 
5919 		main_compose.width = isp_sink_crop.width;
5920 		main_compose.height =
5921 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5922 				 f->fmt.pix.width);
5923 		if (main_compose.height > isp_sink_crop.height) {
5924 			main_compose.height = isp_sink_crop.height;
5925 			main_compose.width =
5926 			    DIV_ROUND_UP(main_compose.height *
5927 					 f->fmt.pix.width,
5928 					 f->fmt.pix.height);
5929 		}
5930 
5931 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5932 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5933 					     source_pad,
5934 					     V4L2_SEL_TGT_COMPOSE, 0,
5935 					     &main_compose);
5936 	} else {
5937 		struct v4l2_rect sink_crop = {0};
5938 		struct v4l2_rect main_compose = {0};
5939 
5940 		main_compose.width = f->fmt.pix.width;
5941 		main_compose.height = f->fmt.pix.height;
5942 
5943 		/* WORKAROUND: this override is universally enabled in
5944 		 * GMIN to work around a CTS failures (GMINL-539)
5945 		 * which appears to be related by a hardware
5946 		 * performance limitation.  It's unclear why this
5947 		 * particular code triggers the issue. */
5948 		if (!IS_ISP2401 || crop_needs_override) {
5949 			if (isp_sink_crop.width * main_compose.height >
5950 			    isp_sink_crop.height * main_compose.width) {
5951 				sink_crop.height = isp_sink_crop.height;
5952 				sink_crop.width = DIV_NEAREST_STEP(
5953 						      sink_crop.height *
5954 						      f->fmt.pix.width,
5955 						      f->fmt.pix.height,
5956 						      ATOM_ISP_STEP_WIDTH);
5957 			} else {
5958 				sink_crop.width = isp_sink_crop.width;
5959 				sink_crop.height = DIV_NEAREST_STEP(
5960 						       sink_crop.width *
5961 						       f->fmt.pix.height,
5962 						       f->fmt.pix.width,
5963 						       ATOM_ISP_STEP_HEIGHT);
5964 			}
5965 			atomisp_subdev_set_selection(&asd->subdev, fh.state,
5966 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5967 						     ATOMISP_SUBDEV_PAD_SINK,
5968 						     V4L2_SEL_TGT_CROP,
5969 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5970 						     &sink_crop);
5971 		}
5972 		atomisp_subdev_set_selection(&asd->subdev, fh.state,
5973 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5974 					     source_pad,
5975 					     V4L2_SEL_TGT_COMPOSE, 0,
5976 					     &main_compose);
5977 	}
5978 
5979 set_fmt_to_isp:
5980 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
5981 				     &f->fmt.pix, source_pad);
5982 	if (ret) {
5983 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
5984 		return -EINVAL;
5985 	}
5986 done:
5987 	pipe->pix.width = f->fmt.pix.width;
5988 	pipe->pix.height = f->fmt.pix.height;
5989 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5990 	if (format_bridge->planar) {
5991 		pipe->pix.bytesperline = output_info.padded_width;
5992 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
5993 						 DIV_ROUND_UP(format_bridge->depth *
5994 							 output_info.padded_width, 8));
5995 	} else {
5996 		pipe->pix.bytesperline =
5997 		    DIV_ROUND_UP(format_bridge->depth *
5998 				 output_info.padded_width, 8);
5999 		pipe->pix.sizeimage =
6000 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
6001 	}
6002 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6003 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6004 
6005 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
6006 		f->fmt.pix.field = V4L2_FIELD_NONE;
6007 	pipe->pix.field = f->fmt.pix.field;
6008 
6009 	f->fmt.pix = pipe->pix;
6010 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6011 				     pipe->pix.height * 2);
6012 
6013 	pipe->capq.field = f->fmt.pix.field;
6014 
6015 	/*
6016 	 * If in video 480P case, no GFX throttle
6017 	 */
6018 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6019 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6020 		isp->need_gfx_throttle = false;
6021 	else
6022 		isp->need_gfx_throttle = true;
6023 
6024 	return 0;
6025 }
6026 
6027 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6028 {
6029 	struct atomisp_device *isp = video_get_drvdata(vdev);
6030 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6031 	struct atomisp_sub_device *asd = pipe->asd;
6032 	struct v4l2_mbus_framefmt ffmt = {0};
6033 	const struct atomisp_format_bridge *format_bridge;
6034 	struct v4l2_subdev_fh fh;
6035 	int ret;
6036 
6037 	v4l2_fh_init(&fh.vfh, vdev);
6038 
6039 	dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6040 		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6041 	ret = atomisp_try_fmt_file(isp, f);
6042 	if (ret) {
6043 		dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6044 		return ret;
6045 	}
6046 
6047 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6048 	if (!format_bridge) {
6049 		dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6050 			f->fmt.pix.pixelformat);
6051 		return -EINVAL;
6052 	}
6053 
6054 	pipe->pix = f->fmt.pix;
6055 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6056 	atomisp_css_input_configure_port(asd,
6057 					 __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6058 					 0, 0, 0, 0);
6059 	ffmt.width = f->fmt.pix.width;
6060 	ffmt.height = f->fmt.pix.height;
6061 	ffmt.code = format_bridge->mbus_code;
6062 
6063 	atomisp_subdev_set_ffmt(&asd->subdev, fh.state,
6064 				V4L2_SUBDEV_FORMAT_ACTIVE,
6065 				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6066 
6067 	return 0;
6068 }
6069 
6070 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6071 			      struct atomisp_shading_table *user_shading_table)
6072 {
6073 	struct ia_css_shading_table *shading_table;
6074 	struct ia_css_shading_table *free_table;
6075 	unsigned int len_table;
6076 	int i;
6077 	int ret = 0;
6078 
6079 	if (!user_shading_table)
6080 		return -EINVAL;
6081 
6082 	if (!user_shading_table->enable) {
6083 		asd->params.config.shading_table = NULL;
6084 		asd->params.sc_en = false;
6085 		return 0;
6086 	}
6087 
6088 	/* If enabling, all tables must be set */
6089 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6090 		if (!user_shading_table->data[i])
6091 			return -EINVAL;
6092 	}
6093 
6094 	/* Shading table size per color */
6095 	if (!IS_ISP2401) {
6096 		if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6097 		    user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6098 			return -EINVAL;
6099 	} else {
6100 		if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6101 		    user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6102 			return -EINVAL;
6103 	}
6104 
6105 	shading_table = atomisp_css_shading_table_alloc(
6106 			    user_shading_table->width, user_shading_table->height);
6107 	if (!shading_table)
6108 		return -ENOMEM;
6109 
6110 	len_table = user_shading_table->width * user_shading_table->height *
6111 		    ATOMISP_SC_TYPE_SIZE;
6112 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6113 		ret = copy_from_user(shading_table->data[i],
6114 				     (void __user *)user_shading_table->data[i],
6115 				     len_table);
6116 		if (ret) {
6117 			free_table = shading_table;
6118 			ret = -EFAULT;
6119 			goto out;
6120 		}
6121 	}
6122 	shading_table->sensor_width = user_shading_table->sensor_width;
6123 	shading_table->sensor_height = user_shading_table->sensor_height;
6124 	shading_table->fraction_bits = user_shading_table->fraction_bits;
6125 
6126 	free_table = asd->params.css_param.shading_table;
6127 	asd->params.css_param.shading_table = shading_table;
6128 	asd->params.config.shading_table = shading_table;
6129 	asd->params.sc_en = true;
6130 
6131 out:
6132 	if (free_table)
6133 		atomisp_css_shading_table_free(free_table);
6134 
6135 	return ret;
6136 }
6137 
6138 /*Turn off ISP dphy */
6139 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6140 {
6141 	struct pci_dev *pdev = to_pci_dev(isp->dev);
6142 	unsigned long flags;
6143 	u32 reg;
6144 
6145 	dev_dbg(isp->dev, "%s\n", __func__);
6146 
6147 	/* if ISP timeout, we can force powerdown */
6148 	if (isp->isp_timeout)
6149 		goto done;
6150 
6151 	if (!atomisp_dev_users(isp))
6152 		goto done;
6153 
6154 	spin_lock_irqsave(&isp->lock, flags);
6155 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6156 	spin_unlock_irqrestore(&isp->lock, flags);
6157 done:
6158 	/*
6159 	 * MRFLD IUNIT DPHY is located in an always-power-on island
6160 	 * MRFLD HW design need all CSI ports are disabled before
6161 	 * powering down the IUNIT.
6162 	 */
6163 	pci_read_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6164 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6165 	pci_write_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, reg);
6166 	return 0;
6167 }
6168 
6169 /*Turn on ISP dphy */
6170 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6171 {
6172 	unsigned long flags;
6173 
6174 	dev_dbg(isp->dev, "%s\n", __func__);
6175 
6176 	spin_lock_irqsave(&isp->lock, flags);
6177 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6178 	spin_unlock_irqrestore(&isp->lock, flags);
6179 
6180 	return 0;
6181 }
6182 
6183 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6184 			   struct atomisp_makernote_info *config)
6185 {
6186 	struct v4l2_control ctrl;
6187 	struct atomisp_device *isp = asd->isp;
6188 
6189 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6190 	if (v4l2_g_ctrl
6191 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6192 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6193 		return -EINVAL;
6194 	} else {
6195 		config->focal_length = ctrl.value;
6196 	}
6197 
6198 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6199 	if (v4l2_g_ctrl
6200 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6201 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6202 		return -EINVAL;
6203 	} else {
6204 		config->f_number_curr = ctrl.value;
6205 	}
6206 
6207 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
6208 	if (v4l2_g_ctrl
6209 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6210 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6211 		return -EINVAL;
6212 	} else {
6213 		config->f_number_range = ctrl.value;
6214 	}
6215 
6216 	return 0;
6217 }
6218 
6219 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6220 				      struct atomisp_cont_capture_conf *cvf_config)
6221 {
6222 	struct v4l2_ctrl *c;
6223 
6224 	/*
6225 	* In case of M10MO ZSL capture case, we need to issue a separate
6226 	* capture request to M10MO which will output captured jpeg image
6227 	*/
6228 	c = v4l2_ctrl_find(
6229 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6230 		V4L2_CID_START_ZSL_CAPTURE);
6231 	if (c) {
6232 		int ret;
6233 
6234 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6235 			__func__);
6236 		/* TODO: use the cvf_config */
6237 		ret = v4l2_ctrl_s_ctrl(c, 1);
6238 		if (ret)
6239 			return ret;
6240 
6241 		return v4l2_ctrl_s_ctrl(c, 0);
6242 	}
6243 
6244 	asd->params.offline_parm = *cvf_config;
6245 
6246 	if (asd->params.offline_parm.num_captures) {
6247 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6248 			unsigned int init_raw_num;
6249 
6250 			if (asd->enable_raw_buffer_lock->val) {
6251 				init_raw_num =
6252 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6253 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6254 				    asd->params.video_dis_en)
6255 					init_raw_num +=
6256 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6257 			} else {
6258 				init_raw_num =
6259 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6260 			}
6261 
6262 			/* TODO: this can be removed once user-space
6263 			 *       has been updated to use control API */
6264 			asd->continuous_raw_buffer_size->val =
6265 			    max_t(int,
6266 				  asd->continuous_raw_buffer_size->val,
6267 				  asd->params.offline_parm.
6268 				  num_captures + init_raw_num);
6269 			asd->continuous_raw_buffer_size->val =
6270 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
6271 				  asd->continuous_raw_buffer_size->val);
6272 		}
6273 		asd->continuous_mode->val = true;
6274 	} else {
6275 		asd->continuous_mode->val = false;
6276 		__enable_continuous_mode(asd, false);
6277 	}
6278 
6279 	return 0;
6280 }
6281 
6282 /*
6283  * set auto exposure metering window to camera sensor
6284  */
6285 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6286 			struct atomisp_ae_window *arg)
6287 {
6288 	struct atomisp_device *isp = asd->isp;
6289 	/* Coverity CID 298071 - initialzize struct */
6290 	struct v4l2_subdev_selection sel = { 0 };
6291 
6292 	sel.r.left = arg->x_left;
6293 	sel.r.top = arg->y_top;
6294 	sel.r.width = arg->x_right - arg->x_left + 1;
6295 	sel.r.height = arg->y_bottom - arg->y_top + 1;
6296 
6297 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6298 			     pad, set_selection, NULL, &sel)) {
6299 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
6300 		return -EINVAL;
6301 	}
6302 
6303 	return 0;
6304 }
6305 
6306 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6307 {
6308 	struct atomisp_device *isp = asd->isp;
6309 
6310 	if (num_frames < 0) {
6311 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6312 			num_frames);
6313 		return -EINVAL;
6314 	}
6315 	/* a requested flash is still in progress. */
6316 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6317 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6318 			__func__, asd->params.flash_state,
6319 			asd->params.num_flash_frames);
6320 		return -EBUSY;
6321 	}
6322 
6323 	asd->params.num_flash_frames = num_frames;
6324 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6325 	return 0;
6326 }
6327 
6328 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6329 				    uint16_t source_pad)
6330 {
6331 	int stream_id;
6332 	struct atomisp_device *isp = asd->isp;
6333 
6334 	if (isp->inputs[asd->input_curr].camera_caps->
6335 	    sensor[asd->sensor_curr].stream_num == 1)
6336 		return ATOMISP_INPUT_STREAM_GENERAL;
6337 
6338 	switch (source_pad) {
6339 	case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6340 		stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6341 		break;
6342 	case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6343 		stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6344 		break;
6345 	case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6346 		stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6347 		break;
6348 	case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6349 		stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6350 		break;
6351 	default:
6352 		stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6353 	}
6354 
6355 	return stream_id;
6356 }
6357 
6358 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6359 {
6360 	struct atomisp_sub_device *asd = pipe->asd;
6361 
6362 	if (pipe == &asd->video_out_vf)
6363 		return true;
6364 
6365 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6366 	    pipe == &asd->video_out_preview)
6367 		return true;
6368 
6369 	return false;
6370 }
6371 
6372 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6373 {
6374 	struct atomisp_device *isp = asd->isp;
6375 
6376 	if (!asd->enable_raw_buffer_lock->val) {
6377 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6378 		return -EINVAL;
6379 	}
6380 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6381 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6382 			__func__, exp_id, asd->streaming);
6383 		return -EINVAL;
6384 	}
6385 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6386 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6387 		return -EINVAL;
6388 	}
6389 	return 0;
6390 }
6391 
6392 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6393 {
6394 	unsigned long flags;
6395 
6396 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6397 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6398 	asd->raw_buffer_locked_count = 0;
6399 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6400 }
6401 
6402 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6403 {
6404 	int *bitmap, bit;
6405 	unsigned long flags;
6406 
6407 	if (__checking_exp_id(asd, exp_id))
6408 		return -EINVAL;
6409 
6410 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6411 	bit = exp_id % 32;
6412 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6413 	(*bitmap) |= (1 << bit);
6414 	asd->raw_buffer_locked_count++;
6415 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6416 
6417 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6418 		__func__, exp_id, asd->raw_buffer_locked_count);
6419 
6420 	/* Check if the raw buffer after next is still locked!!! */
6421 	exp_id += 2;
6422 	if (exp_id > ATOMISP_MAX_EXP_ID)
6423 		exp_id -= ATOMISP_MAX_EXP_ID;
6424 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6425 	bit = exp_id % 32;
6426 	if ((*bitmap) & (1 << bit)) {
6427 		int ret;
6428 
6429 		/* WORKAROUND unlock the raw buffer compulsively */
6430 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
6431 		if (ret) {
6432 			dev_err(asd->isp->dev,
6433 				"%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6434 				__func__, exp_id, ret);
6435 			return ret;
6436 		}
6437 
6438 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6439 		(*bitmap) &= ~(1 << bit);
6440 		asd->raw_buffer_locked_count--;
6441 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6442 		dev_warn(asd->isp->dev,
6443 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6444 			 __func__, exp_id, asd->raw_buffer_locked_count);
6445 	}
6446 	return 0;
6447 }
6448 
6449 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6450 {
6451 	int *bitmap, bit;
6452 	unsigned long flags;
6453 	int ret;
6454 
6455 	if (__checking_exp_id(asd, exp_id))
6456 		return -EINVAL;
6457 
6458 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6459 	bit = exp_id % 32;
6460 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6461 	ret = ((*bitmap) & (1 << bit));
6462 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6463 	return !ret;
6464 }
6465 
6466 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6467 {
6468 	int *bitmap, bit;
6469 	unsigned long flags;
6470 
6471 	if (__is_raw_buffer_locked(asd, exp_id))
6472 		return -EINVAL;
6473 
6474 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6475 	bit = exp_id % 32;
6476 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6477 	(*bitmap) &= ~(1 << bit);
6478 	asd->raw_buffer_locked_count--;
6479 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6480 
6481 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6482 		__func__, exp_id, asd->raw_buffer_locked_count);
6483 	return 0;
6484 }
6485 
6486 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
6487 {
6488 	struct atomisp_device *isp = asd->isp;
6489 	int value = *exp_id;
6490 	int ret;
6491 
6492 	ret = __is_raw_buffer_locked(asd, value);
6493 	if (ret) {
6494 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6495 		return -EINVAL;
6496 	}
6497 
6498 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6499 	ret = atomisp_css_exp_id_capture(asd, value);
6500 	if (ret) {
6501 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6502 		return -EIO;
6503 	}
6504 	return 0;
6505 }
6506 
6507 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6508 {
6509 	struct atomisp_device *isp = asd->isp;
6510 	int value = *exp_id;
6511 	int ret;
6512 
6513 	ret = __clear_raw_buffer_bitmap(asd, value);
6514 	if (ret) {
6515 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6516 		return -EINVAL;
6517 	}
6518 
6519 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6520 	ret = atomisp_css_exp_id_unlock(asd, value);
6521 	if (ret)
6522 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6523 			__func__, value, ret);
6524 
6525 	return ret;
6526 }
6527 
6528 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6529 				unsigned int *enable)
6530 {
6531 	bool value;
6532 
6533 	if (!enable)
6534 		return -EINVAL;
6535 
6536 	value = *enable > 0;
6537 
6538 	atomisp_en_dz_capt_pipe(asd, value);
6539 
6540 	return 0;
6541 }
6542 
6543 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6544 {
6545 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6546 		return -EINVAL;
6547 
6548 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6549 		__func__, *event);
6550 
6551 	switch (*event) {
6552 	case V4L2_EVENT_FRAME_SYNC:
6553 		atomisp_sof_event(asd);
6554 		break;
6555 	case V4L2_EVENT_FRAME_END:
6556 		atomisp_eof_event(asd, 0);
6557 		break;
6558 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6559 		atomisp_3a_stats_ready_event(asd, 0);
6560 		break;
6561 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6562 		atomisp_metadata_ready_event(asd, 0);
6563 		break;
6564 	default:
6565 		return -EINVAL;
6566 	}
6567 
6568 	return 0;
6569 }
6570 
6571 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6572 {
6573 	struct atomisp_sub_device *asd = pipe->asd;
6574 
6575 	if (ATOMISP_USE_YUVPP(asd)) {
6576 		return IA_CSS_PIPE_ID_YUVPP;
6577 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
6578 		return IA_CSS_PIPE_ID_VIDEO;
6579 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
6580 		return IA_CSS_PIPE_ID_CAPTURE;
6581 	} else if (pipe == &asd->video_out_video_capture) {
6582 		return IA_CSS_PIPE_ID_VIDEO;
6583 	} else if (pipe == &asd->video_out_vf) {
6584 		return IA_CSS_PIPE_ID_CAPTURE;
6585 	} else if (pipe == &asd->video_out_preview) {
6586 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6587 			return IA_CSS_PIPE_ID_VIDEO;
6588 		else
6589 			return IA_CSS_PIPE_ID_PREVIEW;
6590 	} else if (pipe == &asd->video_out_capture) {
6591 		if (asd->copy_mode)
6592 			return IA_CSS_PIPE_ID_COPY;
6593 		else
6594 			return IA_CSS_PIPE_ID_CAPTURE;
6595 	}
6596 
6597 	/* fail through */
6598 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6599 		 __func__);
6600 	return IA_CSS_PIPE_ID_CAPTURE;
6601 }
6602 
6603 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6604 				  int *invalid_frame_num)
6605 {
6606 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6607 	struct atomisp_sub_device *asd = pipe->asd;
6608 	enum ia_css_pipe_id pipe_id;
6609 	struct ia_css_pipe_info p_info;
6610 	int ret;
6611 
6612 	if (asd->isp->inputs[asd->input_curr].camera_caps->
6613 	    sensor[asd->sensor_curr].stream_num > 1) {
6614 		/* External ISP */
6615 		*invalid_frame_num = 0;
6616 		return 0;
6617 	}
6618 
6619 	pipe_id = atomisp_get_pipe_id(pipe);
6620 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6621 		dev_warn(asd->isp->dev,
6622 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6623 			 __func__, pipe_id);
6624 		return -EINVAL;
6625 	}
6626 
6627 	ret = ia_css_pipe_get_info(
6628 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6629 		  .pipes[pipe_id], &p_info);
6630 	if (!ret) {
6631 		*invalid_frame_num = p_info.num_invalid_frames;
6632 		return 0;
6633 	} else {
6634 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6635 			 __func__, ret);
6636 		return -EINVAL;
6637 	}
6638 }
6639