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 		} else {
1145 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1146 		}
1147 
1148 		asd->params.last_frame_status = asd->frame_status[vb->i];
1149 
1150 		if (asd->continuous_mode->val) {
1151 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1152 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1153 				asd->latest_preview_exp_id = frame->exp_id;
1154 			} else if (css_pipe_id ==
1155 				   IA_CSS_PIPE_ID_CAPTURE) {
1156 				if (asd->run_mode->val ==
1157 				    ATOMISP_RUN_MODE_VIDEO)
1158 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1159 						frame->exp_id);
1160 				else
1161 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1162 						frame->exp_id);
1163 			}
1164 		}
1165 		/*
1166 		 * Only after enabled the raw buffer lock
1167 		 * and in continuous mode.
1168 		 * in preview/video pipe, each buffer will
1169 		 * be locked automatically, so record it here.
1170 		 */
1171 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1172 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1173 		    asd->enable_raw_buffer_lock->val &&
1174 		    asd->continuous_mode->val) {
1175 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1176 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1177 		}
1178 
1179 		if (asd->params.css_update_params_needed) {
1180 			atomisp_apply_css_parameters(asd,
1181 						     &asd->params.css_param);
1182 			if (asd->params.css_param.update_flag.dz_config)
1183 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1184 			/* New global dvs 6axis config should be blocked
1185 			 * here if there's a buffer with per-frame parameters
1186 			 * pending in CSS frame buffer queue.
1187 			 * This is to aviod zooming vibration since global
1188 			 * parameters take effect immediately while
1189 			 * per-frame parameters are taken after previous
1190 			 * buffers in CSS got processed.
1191 			 */
1192 			if (asd->params.dvs_6axis)
1193 				atomisp_css_set_dvs_6axis(asd,
1194 							  asd->params.dvs_6axis);
1195 			else
1196 				asd->params.css_update_params_needed = false;
1197 			/* The update flag should not be cleaned here
1198 			 * since it is still going to be used to make up
1199 			 * following per-frame parameters.
1200 			 * This will introduce more copy work since each
1201 			 * time when updating global parameters, the whole
1202 			 * parameter set are applied.
1203 			 * FIXME: A new set of parameter copy functions can
1204 			 * be added to make up per-frame parameters based on
1205 			 * solid structures stored in asd->params.css_param
1206 			 * instead of using shadow pointers in update flag.
1207 			 */
1208 			atomisp_css_update_isp_params(asd);
1209 		}
1210 		break;
1211 	default:
1212 		break;
1213 	}
1214 	if (vb) {
1215 		vb->ts = ktime_get_ns();
1216 		vb->field_count = atomic_read(&asd->sequence) << 1;
1217 		/*mark videobuffer done for dequeue*/
1218 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1219 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1220 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1221 
1222 		/*
1223 		 * Frame capture done, wake up any process block on
1224 		 * current active buffer
1225 		 * possibly hold by videobuf_dqbuf()
1226 		 */
1227 		wake_up(&vb->done);
1228 	}
1229 	if (IS_ISP2401)
1230 		atomic_set(&pipe->wdt_count, 0);
1231 
1232 	/*
1233 	 * Requeue should only be done for 3a and dis buffers.
1234 	 * Queue/dequeue order will change if driver recycles image buffers.
1235 	 */
1236 	if (requeue) {
1237 		err = atomisp_css_queue_buffer(asd,
1238 					       stream_id, css_pipe_id,
1239 					       buf_type, &buffer);
1240 		if (err)
1241 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1242 				__func__, err);
1243 		return;
1244 	}
1245 	if (!error && q_buffers)
1246 		atomisp_qbuffers_to_css(asd);
1247 
1248 	if (IS_ISP2401) {
1249 		/* If there are no buffers queued then
1250 		* delete wdt timer. */
1251 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1252 			return;
1253 		if (!atomisp_buffers_queued_pipe(pipe))
1254 			atomisp_wdt_stop_pipe(pipe, false);
1255 		else if (reset_wdt_timer)
1256 			/* SOF irq should not reset wdt timer. */
1257 			atomisp_wdt_refresh_pipe(pipe,
1258 						ATOMISP_WDT_KEEP_CURRENT_DELAY);
1259 	}
1260 }
1261 
1262 void atomisp_delayed_init_work(struct work_struct *work)
1263 {
1264 	struct atomisp_sub_device *asd = container_of(work,
1265 					 struct atomisp_sub_device,
1266 					 delayed_init_work);
1267 	/*
1268 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1269 	 */
1270 	if (!ATOMISP_USE_YUVPP(asd)) {
1271 		struct v4l2_event event = {0};
1272 		struct ia_css_stream *stream;
1273 
1274 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1275 
1276 
1277 		if (ia_css_alloc_continuous_frame_remain(stream))
1278 			return;
1279 
1280 		ia_css_update_continuous_frames(stream);
1281 
1282 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1283 		v4l2_event_queue(asd->subdev.devnode, &event);
1284 	}
1285 
1286 	/* signal streamon after delayed init is done */
1287 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1288 	complete(&asd->init_done);
1289 }
1290 
1291 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1292 {
1293 	struct pci_dev *pdev = to_pci_dev(isp->dev);
1294 	enum ia_css_pipe_id css_pipe_id;
1295 	bool stream_restart[MAX_STREAM_NUM] = {0};
1296 	bool depth_mode = false;
1297 	int i, ret, depth_cnt = 0;
1298 
1299 	if (!isp->sw_contex.file_input)
1300 		atomisp_css_irq_enable(isp,
1301 				       IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1302 
1303 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1304 
1305 	for (i = 0; i < isp->num_of_streams; i++) {
1306 		struct atomisp_sub_device *asd = &isp->asd[i];
1307 		struct ia_css_pipeline *acc_pipeline;
1308 		struct ia_css_pipe *acc_pipe = NULL;
1309 
1310 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1311 		    !asd->stream_prepared)
1312 			continue;
1313 
1314 		/*
1315 		* AtomISP::waitStageUpdate is blocked when WDT happens.
1316 		* By calling acc_done() for all loaded fw_handles,
1317 		* HAL will be unblocked.
1318 		*/
1319 		acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1320 		if (acc_pipe) {
1321 			acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1322 			if (acc_pipeline) {
1323 				struct ia_css_pipeline_stage *stage;
1324 
1325 				for (stage = acc_pipeline->stages; stage;
1326 				     stage = stage->next) {
1327 					const struct ia_css_fw_info *fw;
1328 
1329 					fw = stage->firmware;
1330 					atomisp_acc_done(asd, fw->handle);
1331 				}
1332 			}
1333 		}
1334 
1335 		depth_cnt++;
1336 
1337 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1338 			cancel_work_sync(&asd->delayed_init_work);
1339 
1340 		complete(&asd->init_done);
1341 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1342 
1343 		stream_restart[asd->index] = true;
1344 
1345 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1346 
1347 		/* stream off sensor */
1348 		ret = v4l2_subdev_call(
1349 			  isp->inputs[asd->input_curr].
1350 			  camera, video, s_stream, 0);
1351 		if (ret)
1352 			dev_warn(isp->dev,
1353 				 "can't stop streaming on sensor!\n");
1354 
1355 		atomisp_acc_unload_extensions(asd);
1356 
1357 		atomisp_clear_css_buffer_counters(asd);
1358 
1359 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1360 		atomisp_css_stop(asd, css_pipe_id, true);
1361 
1362 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1363 
1364 		asd->preview_exp_id = 1;
1365 		asd->postview_exp_id = 1;
1366 		/* notify HAL the CSS reset */
1367 		dev_dbg(isp->dev,
1368 			"send reset event to %s\n", asd->subdev.devnode->name);
1369 		atomisp_reset_event(asd);
1370 	}
1371 
1372 	/* clear irq */
1373 	disable_isp_irq(hrt_isp_css_irq_sp);
1374 	clear_isp_irq(hrt_isp_css_irq_sp);
1375 
1376 	/* Set the SRSE to 3 before resetting */
1377 	pci_write_config_dword(pdev, PCI_I_CONTROL,
1378 			       isp->saved_regs.i_control | MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1379 
1380 	/* reset ISP and restore its state */
1381 	isp->isp_timeout = true;
1382 	atomisp_reset(isp);
1383 	isp->isp_timeout = false;
1384 
1385 	if (!isp_timeout) {
1386 		for (i = 0; i < isp->num_of_streams; i++) {
1387 			if (isp->asd[i].depth_mode->val)
1388 				return;
1389 		}
1390 	}
1391 
1392 	for (i = 0; i < isp->num_of_streams; i++) {
1393 		struct atomisp_sub_device *asd = &isp->asd[i];
1394 
1395 		if (!stream_restart[i])
1396 			continue;
1397 
1398 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1399 			atomisp_css_input_set_mode(asd,
1400 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1401 
1402 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1403 		if (atomisp_css_start(asd, css_pipe_id, true))
1404 			dev_warn(isp->dev,
1405 				 "start SP failed, so do not set streaming to be enable!\n");
1406 		else
1407 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1408 
1409 		atomisp_csi2_configure(asd);
1410 	}
1411 
1412 	if (!isp->sw_contex.file_input) {
1413 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1414 				       atomisp_css_valid_sof(isp));
1415 
1416 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1417 			dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1418 	} else {
1419 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1420 			dev_dbg(isp->dev, "DFS max failed while recovering!\n");
1421 	}
1422 
1423 	for (i = 0; i < isp->num_of_streams; i++) {
1424 		struct atomisp_sub_device *asd;
1425 
1426 		asd = &isp->asd[i];
1427 
1428 		if (!stream_restart[i])
1429 			continue;
1430 
1431 		if (asd->continuous_mode->val &&
1432 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1433 			reinit_completion(&asd->init_done);
1434 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1435 			queue_work(asd->delayed_init_workq,
1436 				   &asd->delayed_init_work);
1437 		}
1438 		/*
1439 		 * dequeueing buffers is not needed. CSS will recycle
1440 		 * buffers that it has.
1441 		 */
1442 		atomisp_flush_bufs_and_wakeup(asd);
1443 
1444 		/* Requeue unprocessed per-frame parameters. */
1445 		atomisp_recover_params_queue(&asd->video_out_capture);
1446 		atomisp_recover_params_queue(&asd->video_out_preview);
1447 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1448 
1449 		if ((asd->depth_mode->val) &&
1450 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1451 			depth_mode = true;
1452 			continue;
1453 		}
1454 
1455 		ret = v4l2_subdev_call(
1456 			  isp->inputs[asd->input_curr].camera, video,
1457 			  s_stream, 1);
1458 		if (ret)
1459 			dev_warn(isp->dev,
1460 				 "can't start streaming on sensor!\n");
1461 	}
1462 
1463 	if (depth_mode) {
1464 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1465 			dev_warn(isp->dev,
1466 				 "master slave sensor stream on failed!\n");
1467 	}
1468 }
1469 
1470 void atomisp_wdt_work(struct work_struct *work)
1471 {
1472 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1473 				     wdt_work);
1474 	int i;
1475 	unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1476 	bool css_recover = false;
1477 
1478 	rt_mutex_lock(&isp->mutex);
1479 	if (!atomisp_streaming_count(isp)) {
1480 		atomic_set(&isp->wdt_work_queued, 0);
1481 		rt_mutex_unlock(&isp->mutex);
1482 		return;
1483 	}
1484 
1485 	if (!IS_ISP2401) {
1486 		dev_err(isp->dev, "timeout %d of %d\n",
1487 			atomic_read(&isp->wdt_count) + 1,
1488 			ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1489 
1490 		if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1491 			css_recover = true;
1492 	} else {
1493 		css_recover = true;
1494 
1495 		for (i = 0; i < isp->num_of_streams; i++) {
1496 			struct atomisp_sub_device *asd = &isp->asd[i];
1497 
1498 			pipe_wdt_cnt[i][0] +=
1499 			    atomic_read(&asd->video_out_capture.wdt_count);
1500 			pipe_wdt_cnt[i][1] +=
1501 			    atomic_read(&asd->video_out_vf.wdt_count);
1502 			pipe_wdt_cnt[i][2] +=
1503 			    atomic_read(&asd->video_out_preview.wdt_count);
1504 			pipe_wdt_cnt[i][3] +=
1505 			    atomic_read(&asd->video_out_video_capture.wdt_count);
1506 			css_recover =
1507 			    (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1508 			    pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1509 			    pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1510 			    pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1511 			    ? true : false;
1512 			dev_err(isp->dev,
1513 				"pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1514 				asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1515 				pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1516 				ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1517 		}
1518 	}
1519 
1520 	if (css_recover) {
1521 		ia_css_debug_dump_sp_sw_debug_info();
1522 		ia_css_debug_dump_debug_info(__func__);
1523 		for (i = 0; i < isp->num_of_streams; i++) {
1524 			struct atomisp_sub_device *asd = &isp->asd[i];
1525 
1526 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1527 				continue;
1528 			dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1529 				__func__,
1530 				asd->video_out_capture.vdev.name,
1531 				asd->video_out_capture.
1532 				buffers_in_css);
1533 			dev_err(isp->dev,
1534 				"%s, vdev %s buffers in css: %d\n",
1535 				__func__,
1536 				asd->video_out_vf.vdev.name,
1537 				asd->video_out_vf.
1538 				buffers_in_css);
1539 			dev_err(isp->dev,
1540 				"%s, vdev %s buffers in css: %d\n",
1541 				__func__,
1542 				asd->video_out_preview.vdev.name,
1543 				asd->video_out_preview.
1544 				buffers_in_css);
1545 			dev_err(isp->dev,
1546 				"%s, vdev %s buffers in css: %d\n",
1547 				__func__,
1548 				asd->video_out_video_capture.vdev.name,
1549 				asd->video_out_video_capture.
1550 				buffers_in_css);
1551 			dev_err(isp->dev,
1552 				"%s, s3a buffers in css preview pipe:%d\n",
1553 				__func__,
1554 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1555 			dev_err(isp->dev,
1556 				"%s, s3a buffers in css capture pipe:%d\n",
1557 				__func__,
1558 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1559 			dev_err(isp->dev,
1560 				"%s, s3a buffers in css video pipe:%d\n",
1561 				__func__,
1562 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1563 			dev_err(isp->dev,
1564 				"%s, dis buffers in css: %d\n",
1565 				__func__, asd->dis_bufs_in_css);
1566 			dev_err(isp->dev,
1567 				"%s, metadata buffers in css preview pipe:%d\n",
1568 				__func__,
1569 				asd->metadata_bufs_in_css
1570 				[ATOMISP_INPUT_STREAM_GENERAL]
1571 				[IA_CSS_PIPE_ID_PREVIEW]);
1572 			dev_err(isp->dev,
1573 				"%s, metadata buffers in css capture pipe:%d\n",
1574 				__func__,
1575 				asd->metadata_bufs_in_css
1576 				[ATOMISP_INPUT_STREAM_GENERAL]
1577 				[IA_CSS_PIPE_ID_CAPTURE]);
1578 			dev_err(isp->dev,
1579 				"%s, metadata buffers in css video pipe:%d\n",
1580 				__func__,
1581 				asd->metadata_bufs_in_css
1582 				[ATOMISP_INPUT_STREAM_GENERAL]
1583 				[IA_CSS_PIPE_ID_VIDEO]);
1584 			if (asd->enable_raw_buffer_lock->val) {
1585 				unsigned int j;
1586 
1587 				dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1588 					__func__, asd->raw_buffer_locked_count);
1589 				for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1590 					dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1591 						__func__, j,
1592 						asd->raw_buffer_bitmap[j]);
1593 			}
1594 		}
1595 
1596 		/*sh_css_dump_sp_state();*/
1597 		/*sh_css_dump_isp_state();*/
1598 	} else {
1599 		for (i = 0; i < isp->num_of_streams; i++) {
1600 			struct atomisp_sub_device *asd = &isp->asd[i];
1601 
1602 			if (asd->streaming ==
1603 			    ATOMISP_DEVICE_STREAMING_ENABLED) {
1604 				atomisp_clear_css_buffer_counters(asd);
1605 				atomisp_flush_bufs_and_wakeup(asd);
1606 				complete(&asd->init_done);
1607 			}
1608 			if (IS_ISP2401)
1609 				atomisp_wdt_stop(asd, false);
1610 		}
1611 
1612 		if (!IS_ISP2401) {
1613 			atomic_set(&isp->wdt_count, 0);
1614 		} else {
1615 			isp->isp_fatal_error = true;
1616 			atomic_set(&isp->wdt_work_queued, 0);
1617 
1618 			rt_mutex_unlock(&isp->mutex);
1619 			return;
1620 		}
1621 	}
1622 
1623 	__atomisp_css_recover(isp, true);
1624 	if (IS_ISP2401) {
1625 		for (i = 0; i < isp->num_of_streams; i++) {
1626 			struct atomisp_sub_device *asd = &isp->asd[i];
1627 
1628 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1629 				continue;
1630 
1631 			atomisp_wdt_refresh(asd,
1632 					    isp->sw_contex.file_input ?
1633 					    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1634 					    ATOMISP_ISP_TIMEOUT_DURATION);
1635 		}
1636 	}
1637 
1638 	dev_err(isp->dev, "timeout recovery handling done\n");
1639 	atomic_set(&isp->wdt_work_queued, 0);
1640 
1641 	rt_mutex_unlock(&isp->mutex);
1642 }
1643 
1644 void atomisp_css_flush(struct atomisp_device *isp)
1645 {
1646 	int i;
1647 
1648 	if (!atomisp_streaming_count(isp))
1649 		return;
1650 
1651 	/* Disable wdt */
1652 	for (i = 0; i < isp->num_of_streams; i++) {
1653 		struct atomisp_sub_device *asd = &isp->asd[i];
1654 
1655 		atomisp_wdt_stop(asd, true);
1656 	}
1657 
1658 	/* Start recover */
1659 	__atomisp_css_recover(isp, false);
1660 	/* Restore wdt */
1661 	for (i = 0; i < isp->num_of_streams; i++) {
1662 		struct atomisp_sub_device *asd = &isp->asd[i];
1663 
1664 		if (asd->streaming !=
1665 		    ATOMISP_DEVICE_STREAMING_ENABLED)
1666 			continue;
1667 
1668 		atomisp_wdt_refresh(asd,
1669 				    isp->sw_contex.file_input ?
1670 				    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1671 				    ATOMISP_ISP_TIMEOUT_DURATION);
1672 	}
1673 	dev_dbg(isp->dev, "atomisp css flush done\n");
1674 }
1675 
1676 void atomisp_wdt(struct timer_list *t)
1677 {
1678 	struct atomisp_sub_device *asd;
1679 	struct atomisp_device *isp;
1680 
1681 	if (!IS_ISP2401) {
1682 		asd = from_timer(asd, t, wdt);
1683 		isp = asd->isp;
1684 	} else {
1685 		struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1686 
1687 		asd = pipe->asd;
1688 		isp = asd->isp;
1689 
1690 		atomic_inc(&pipe->wdt_count);
1691 		dev_warn(isp->dev,
1692 			"[WARNING]asd %d pipe %s ISP timeout %d!\n",
1693 			asd->index, pipe->vdev.name,
1694 			atomic_read(&pipe->wdt_count));
1695 	}
1696 
1697 	if (atomic_read(&isp->wdt_work_queued)) {
1698 		dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1699 		return;
1700 	}
1701 	atomic_set(&isp->wdt_work_queued, 1);
1702 	queue_work(isp->wdt_work_queue, &isp->wdt_work);
1703 }
1704 
1705 /* ISP2400 */
1706 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1707 {
1708 	atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1709 }
1710 
1711 /* ISP2401 */
1712 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1713 			      unsigned int delay)
1714 {
1715 	unsigned long next;
1716 
1717 	if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1718 		pipe->wdt_duration = delay;
1719 
1720 	next = jiffies + pipe->wdt_duration;
1721 
1722 	/* Override next if it has been pushed beyon the "next" time */
1723 	if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1724 		next = pipe->wdt_expires;
1725 
1726 	pipe->wdt_expires = next;
1727 
1728 	if (atomisp_is_wdt_running(pipe))
1729 		dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1730 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1731 	else
1732 		dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1733 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1734 
1735 	mod_timer(&pipe->wdt, next);
1736 }
1737 
1738 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1739 {
1740 	if (!IS_ISP2401) {
1741 		unsigned long next;
1742 
1743 		if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1744 			asd->wdt_duration = delay;
1745 
1746 		next = jiffies + asd->wdt_duration;
1747 
1748 		/* Override next if it has been pushed beyon the "next" time */
1749 		if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1750 			next = asd->wdt_expires;
1751 
1752 		asd->wdt_expires = next;
1753 
1754 		if (atomisp_is_wdt_running(asd))
1755 			dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1756 				((int)(next - jiffies) * 1000 / HZ));
1757 		else
1758 			dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1759 				((int)(next - jiffies) * 1000 / HZ));
1760 
1761 		mod_timer(&asd->wdt, next);
1762 		atomic_set(&asd->isp->wdt_count, 0);
1763 	} else {
1764 		dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1765 		if (atomisp_is_wdt_running(&asd->video_out_capture))
1766 			atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1767 		if (atomisp_is_wdt_running(&asd->video_out_preview))
1768 			atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1769 		if (atomisp_is_wdt_running(&asd->video_out_vf))
1770 			atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1771 		if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1772 			atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1773 	}
1774 }
1775 
1776 /* ISP2401 */
1777 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1778 {
1779 	if (!atomisp_is_wdt_running(pipe))
1780 		return;
1781 
1782 	dev_dbg(pipe->asd->isp->dev,
1783 		"WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1784 
1785 	if (sync) {
1786 		del_timer_sync(&pipe->wdt);
1787 		cancel_work_sync(&pipe->asd->isp->wdt_work);
1788 	} else {
1789 		del_timer(&pipe->wdt);
1790 	}
1791 }
1792 
1793 /* ISP 2401 */
1794 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1795 {
1796 	atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1797 }
1798 
1799 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1800 {
1801 	dev_dbg(asd->isp->dev, "WDT stop:\n");
1802 
1803 	if (!IS_ISP2401) {
1804 		if (sync) {
1805 			del_timer_sync(&asd->wdt);
1806 			cancel_work_sync(&asd->isp->wdt_work);
1807 		} else {
1808 			del_timer(&asd->wdt);
1809 		}
1810 	} else {
1811 		atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1812 		atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1813 		atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1814 		atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1815 	}
1816 }
1817 
1818 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1819 {
1820 	struct atomisp_device *isp = asd->isp;
1821 	struct v4l2_control ctrl;
1822 
1823 	if (!isp->flash)
1824 		return;
1825 
1826 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1827 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1828 		return;
1829 
1830 	if (asd->params.num_flash_frames) {
1831 		/* make sure the timeout is set before setting flash mode */
1832 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1833 		ctrl.value = FLASH_TIMEOUT;
1834 
1835 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1836 			dev_err(isp->dev, "flash timeout configure failed\n");
1837 			return;
1838 		}
1839 
1840 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1841 
1842 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1843 	} else {
1844 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1845 	}
1846 }
1847 
1848 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1849 {
1850 	struct atomisp_device *isp = isp_ptr;
1851 	unsigned long flags;
1852 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1853 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1854 	unsigned int i;
1855 	struct atomisp_sub_device *asd;
1856 
1857 	dev_dbg(isp->dev, ">%s\n", __func__);
1858 
1859 	spin_lock_irqsave(&isp->lock, flags);
1860 
1861 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1862 		spin_unlock_irqrestore(&isp->lock, flags);
1863 		return IRQ_HANDLED;
1864 	}
1865 
1866 	spin_unlock_irqrestore(&isp->lock, flags);
1867 
1868 	/*
1869 	 * The standard CSS2.0 API tells the following calling sequence of
1870 	 * dequeue ready buffers:
1871 	 * while (ia_css_dequeue_event(...)) {
1872 	 *	switch (event.type) {
1873 	 *	...
1874 	 *	ia_css_pipe_dequeue_buffer()
1875 	 *	}
1876 	 * }
1877 	 * That is, dequeue event and buffer are one after another.
1878 	 *
1879 	 * But the following implementation is to first deuque all the event
1880 	 * to a FIFO, then process the event in the FIFO.
1881 	 * This will not have issue in single stream mode, but it do have some
1882 	 * issue in multiple stream case. The issue is that
1883 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1884 	 * a specific pipe.
1885 	 *
1886 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1887 	 * ia_css_pipe parameter.
1888 	 *
1889 	 * So:
1890 	 * For CSS2.0: we change the way to not dequeue all the event at one
1891 	 * time, instead, dequue one and process one, then another
1892 	 */
1893 	rt_mutex_lock(&isp->mutex);
1894 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1895 		goto out;
1896 
1897 	for (i = 0; i < isp->num_of_streams; i++) {
1898 		asd = &isp->asd[i];
1899 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1900 			continue;
1901 		atomisp_setup_flash(asd);
1902 	}
1903 out:
1904 	rt_mutex_unlock(&isp->mutex);
1905 	for (i = 0; i < isp->num_of_streams; i++) {
1906 		asd = &isp->asd[i];
1907 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1908 		    && css_pipe_done[asd->index]
1909 		    && isp->sw_contex.file_input)
1910 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1911 					 video, s_stream, 1);
1912 		/* FIXME! FIX ACC implementation */
1913 		if (asd->acc.pipeline && css_pipe_done[asd->index])
1914 			atomisp_css_acc_done(asd);
1915 	}
1916 	dev_dbg(isp->dev, "<%s\n", __func__);
1917 
1918 	return IRQ_HANDLED;
1919 }
1920 
1921 /*
1922  * utils for buffer allocation/free
1923  */
1924 
1925 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1926 			   const struct ia_css_frame *frame, u32 *p_pgnr)
1927 {
1928 	if (!frame) {
1929 		dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1930 		return -EINVAL;
1931 	}
1932 
1933 	*p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1934 	return 0;
1935 }
1936 
1937 /*
1938  * Get internal fmt according to V4L2 fmt
1939  */
1940 static enum ia_css_frame_format
1941 v4l2_fmt_to_sh_fmt(u32 fmt)
1942 {
1943 	switch (fmt) {
1944 	case V4L2_PIX_FMT_YUV420:
1945 				return IA_CSS_FRAME_FORMAT_YUV420;
1946 	case V4L2_PIX_FMT_YVU420:
1947 		return IA_CSS_FRAME_FORMAT_YV12;
1948 	case V4L2_PIX_FMT_YUV422P:
1949 		return IA_CSS_FRAME_FORMAT_YUV422;
1950 	case V4L2_PIX_FMT_YUV444:
1951 		return IA_CSS_FRAME_FORMAT_YUV444;
1952 	case V4L2_PIX_FMT_NV12:
1953 		return IA_CSS_FRAME_FORMAT_NV12;
1954 	case V4L2_PIX_FMT_NV21:
1955 		return IA_CSS_FRAME_FORMAT_NV21;
1956 	case V4L2_PIX_FMT_NV16:
1957 		return IA_CSS_FRAME_FORMAT_NV16;
1958 	case V4L2_PIX_FMT_NV61:
1959 		return IA_CSS_FRAME_FORMAT_NV61;
1960 	case V4L2_PIX_FMT_UYVY:
1961 		return IA_CSS_FRAME_FORMAT_UYVY;
1962 	case V4L2_PIX_FMT_YUYV:
1963 		return IA_CSS_FRAME_FORMAT_YUYV;
1964 	case V4L2_PIX_FMT_RGB24:
1965 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1966 	case V4L2_PIX_FMT_RGB32:
1967 		return IA_CSS_FRAME_FORMAT_RGBA888;
1968 	case V4L2_PIX_FMT_RGB565:
1969 		return IA_CSS_FRAME_FORMAT_RGB565;
1970 	case V4L2_PIX_FMT_JPEG:
1971 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1972 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1973 	case V4L2_PIX_FMT_SBGGR16:
1974 	case V4L2_PIX_FMT_SBGGR10:
1975 	case V4L2_PIX_FMT_SGBRG10:
1976 	case V4L2_PIX_FMT_SGRBG10:
1977 	case V4L2_PIX_FMT_SRGGB10:
1978 	case V4L2_PIX_FMT_SBGGR12:
1979 	case V4L2_PIX_FMT_SGBRG12:
1980 	case V4L2_PIX_FMT_SGRBG12:
1981 	case V4L2_PIX_FMT_SRGGB12:
1982 	case V4L2_PIX_FMT_SBGGR8:
1983 	case V4L2_PIX_FMT_SGBRG8:
1984 	case V4L2_PIX_FMT_SGRBG8:
1985 	case V4L2_PIX_FMT_SRGGB8:
1986 		return IA_CSS_FRAME_FORMAT_RAW;
1987 	default:
1988 		return -EINVAL;
1989 	}
1990 }
1991 
1992 /*
1993  * raw format match between SH format and V4L2 format
1994  */
1995 static int raw_output_format_match_input(u32 input, u32 output)
1996 {
1997 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1998 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1999 	     (output == V4L2_PIX_FMT_SGRBG12) ||
2000 	     (output == V4L2_PIX_FMT_SBGGR12) ||
2001 	     (output == V4L2_PIX_FMT_SGBRG12)))
2002 		return 0;
2003 
2004 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
2005 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
2006 	     (output == V4L2_PIX_FMT_SGRBG10) ||
2007 	     (output == V4L2_PIX_FMT_SBGGR10) ||
2008 	     (output == V4L2_PIX_FMT_SGBRG10)))
2009 		return 0;
2010 
2011 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2012 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
2013 	     (output == V4L2_PIX_FMT_SGRBG8) ||
2014 	     (output == V4L2_PIX_FMT_SBGGR8) ||
2015 	     (output == V4L2_PIX_FMT_SGBRG8)))
2016 		return 0;
2017 
2018 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2019 		return 0;
2020 
2021 	return -EINVAL;
2022 }
2023 
2024 static u32 get_pixel_depth(u32 pixelformat)
2025 {
2026 	switch (pixelformat) {
2027 	case V4L2_PIX_FMT_YUV420:
2028 	case V4L2_PIX_FMT_NV12:
2029 	case V4L2_PIX_FMT_NV21:
2030 	case V4L2_PIX_FMT_YVU420:
2031 		return 12;
2032 	case V4L2_PIX_FMT_YUV422P:
2033 	case V4L2_PIX_FMT_YUYV:
2034 	case V4L2_PIX_FMT_UYVY:
2035 	case V4L2_PIX_FMT_NV16:
2036 	case V4L2_PIX_FMT_NV61:
2037 	case V4L2_PIX_FMT_RGB565:
2038 	case V4L2_PIX_FMT_SBGGR16:
2039 	case V4L2_PIX_FMT_SBGGR12:
2040 	case V4L2_PIX_FMT_SGBRG12:
2041 	case V4L2_PIX_FMT_SGRBG12:
2042 	case V4L2_PIX_FMT_SRGGB12:
2043 	case V4L2_PIX_FMT_SBGGR10:
2044 	case V4L2_PIX_FMT_SGBRG10:
2045 	case V4L2_PIX_FMT_SGRBG10:
2046 	case V4L2_PIX_FMT_SRGGB10:
2047 		return 16;
2048 	case V4L2_PIX_FMT_RGB24:
2049 	case V4L2_PIX_FMT_YUV444:
2050 		return 24;
2051 	case V4L2_PIX_FMT_RGB32:
2052 		return 32;
2053 	case V4L2_PIX_FMT_JPEG:
2054 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2055 	case V4L2_PIX_FMT_SBGGR8:
2056 	case V4L2_PIX_FMT_SGBRG8:
2057 	case V4L2_PIX_FMT_SGRBG8:
2058 	case V4L2_PIX_FMT_SRGGB8:
2059 		return 8;
2060 	default:
2061 		return 8 * 2;	/* raw type now */
2062 	}
2063 }
2064 
2065 bool atomisp_is_mbuscode_raw(uint32_t code)
2066 {
2067 	return code >= 0x3000 && code < 0x4000;
2068 }
2069 
2070 /*
2071  * ISP features control function
2072  */
2073 
2074 /*
2075  * Set ISP capture mode based on current settings
2076  */
2077 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2078 {
2079 	if (asd->params.gdc_cac_en)
2080 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2081 	else if (asd->params.low_light)
2082 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2083 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2084 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2085 	else
2086 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2087 }
2088 
2089 /* ISP2401 */
2090 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2091 			       struct atomisp_s_runmode *runmode)
2092 {
2093 	struct atomisp_device *isp = asd->isp;
2094 	struct v4l2_ctrl *c;
2095 	int ret = 0;
2096 
2097 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2098 		return -EINVAL;
2099 
2100 	mutex_lock(asd->ctrl_handler.lock);
2101 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2102 			   V4L2_CID_RUN_MODE);
2103 
2104 	if (c)
2105 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2106 
2107 	mutex_unlock(asd->ctrl_handler.lock);
2108 	return ret;
2109 }
2110 
2111 /*
2112  * Function to enable/disable lens geometry distortion correction (GDC) and
2113  * chromatic aberration correction (CAC)
2114  */
2115 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2116 		    __s32 *value)
2117 {
2118 	if (flag == 0) {
2119 		*value = asd->params.gdc_cac_en;
2120 		return 0;
2121 	}
2122 
2123 	asd->params.gdc_cac_en = !!*value;
2124 	if (asd->params.gdc_cac_en) {
2125 		asd->params.config.morph_table = asd->params.css_param.morph_table;
2126 	} else {
2127 		asd->params.config.morph_table = NULL;
2128 	}
2129 	asd->params.css_update_params_needed = true;
2130 	atomisp_update_capture_mode(asd);
2131 	return 0;
2132 }
2133 
2134 /*
2135  * Function to enable/disable low light mode including ANR
2136  */
2137 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2138 		      __s32 *value)
2139 {
2140 	if (flag == 0) {
2141 		*value = asd->params.low_light;
2142 		return 0;
2143 	}
2144 
2145 	asd->params.low_light = (*value != 0);
2146 	atomisp_update_capture_mode(asd);
2147 	return 0;
2148 }
2149 
2150 /*
2151  * Function to enable/disable extra noise reduction (XNR) in low light
2152  * condition
2153  */
2154 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2155 		int *xnr_enable)
2156 {
2157 	if (flag == 0) {
2158 		*xnr_enable = asd->params.xnr_en;
2159 		return 0;
2160 	}
2161 
2162 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2163 
2164 	return 0;
2165 }
2166 
2167 /*
2168  * Function to configure bayer noise reduction
2169  */
2170 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2171 	       struct atomisp_nr_config *arg)
2172 {
2173 	if (flag == 0) {
2174 		/* Get nr config from current setup */
2175 		if (atomisp_css_get_nr_config(asd, arg))
2176 			return -EINVAL;
2177 	} else {
2178 		/* Set nr config to isp parameters */
2179 		memcpy(&asd->params.css_param.nr_config, arg,
2180 		       sizeof(struct ia_css_nr_config));
2181 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
2182 		asd->params.css_update_params_needed = true;
2183 	}
2184 	return 0;
2185 }
2186 
2187 /*
2188  * Function to configure temporal noise reduction (TNR)
2189  */
2190 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2191 		struct atomisp_tnr_config *config)
2192 {
2193 	/* Get tnr config from current setup */
2194 	if (flag == 0) {
2195 		/* Get tnr config from current setup */
2196 		if (atomisp_css_get_tnr_config(asd, config))
2197 			return -EINVAL;
2198 	} else {
2199 		/* Set tnr config to isp parameters */
2200 		memcpy(&asd->params.css_param.tnr_config, config,
2201 		       sizeof(struct ia_css_tnr_config));
2202 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2203 		asd->params.css_update_params_needed = true;
2204 	}
2205 
2206 	return 0;
2207 }
2208 
2209 /*
2210  * Function to configure black level compensation
2211  */
2212 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2213 			struct atomisp_ob_config *config)
2214 {
2215 	if (flag == 0) {
2216 		/* Get ob config from current setup */
2217 		if (atomisp_css_get_ob_config(asd, config))
2218 			return -EINVAL;
2219 	} else {
2220 		/* Set ob config to isp parameters */
2221 		memcpy(&asd->params.css_param.ob_config, config,
2222 		       sizeof(struct ia_css_ob_config));
2223 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
2224 		asd->params.css_update_params_needed = true;
2225 	}
2226 
2227 	return 0;
2228 }
2229 
2230 /*
2231  * Function to configure edge enhancement
2232  */
2233 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2234 	       struct atomisp_ee_config *config)
2235 {
2236 	if (flag == 0) {
2237 		/* Get ee config from current setup */
2238 		if (atomisp_css_get_ee_config(asd, config))
2239 			return -EINVAL;
2240 	} else {
2241 		/* Set ee config to isp parameters */
2242 		memcpy(&asd->params.css_param.ee_config, config,
2243 		       sizeof(asd->params.css_param.ee_config));
2244 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
2245 		asd->params.css_update_params_needed = true;
2246 	}
2247 
2248 	return 0;
2249 }
2250 
2251 /*
2252  * Function to update Gamma table for gamma, brightness and contrast config
2253  */
2254 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2255 		  struct atomisp_gamma_table *config)
2256 {
2257 	if (flag == 0) {
2258 		/* Get gamma table from current setup */
2259 		if (atomisp_css_get_gamma_table(asd, config))
2260 			return -EINVAL;
2261 	} else {
2262 		/* Set gamma table to isp parameters */
2263 		memcpy(&asd->params.css_param.gamma_table, config,
2264 		       sizeof(asd->params.css_param.gamma_table));
2265 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2266 	}
2267 
2268 	return 0;
2269 }
2270 
2271 /*
2272  * Function to update Ctc table for Chroma Enhancement
2273  */
2274 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2275 		struct atomisp_ctc_table *config)
2276 {
2277 	if (flag == 0) {
2278 		/* Get ctc table from current setup */
2279 		if (atomisp_css_get_ctc_table(asd, config))
2280 			return -EINVAL;
2281 	} else {
2282 		/* Set ctc table to isp parameters */
2283 		memcpy(&asd->params.css_param.ctc_table, config,
2284 		       sizeof(asd->params.css_param.ctc_table));
2285 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2286 	}
2287 
2288 	return 0;
2289 }
2290 
2291 /*
2292  * Function to update gamma correction parameters
2293  */
2294 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2295 			     struct atomisp_gc_config *config)
2296 {
2297 	if (flag == 0) {
2298 		/* Get gamma correction params from current setup */
2299 		if (atomisp_css_get_gc_config(asd, config))
2300 			return -EINVAL;
2301 	} else {
2302 		/* Set gamma correction params to isp parameters */
2303 		memcpy(&asd->params.css_param.gc_config, config,
2304 		       sizeof(asd->params.css_param.gc_config));
2305 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
2306 		asd->params.css_update_params_needed = true;
2307 	}
2308 
2309 	return 0;
2310 }
2311 
2312 /*
2313  * Function to update narrow gamma flag
2314  */
2315 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2316 		    struct atomisp_formats_config *config)
2317 {
2318 	if (flag == 0) {
2319 		/* Get narrow gamma flag from current setup */
2320 		if (atomisp_css_get_formats_config(asd, config))
2321 			return -EINVAL;
2322 	} else {
2323 		/* Set narrow gamma flag to isp parameters */
2324 		memcpy(&asd->params.css_param.formats_config, config,
2325 		       sizeof(asd->params.css_param.formats_config));
2326 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
2327 	}
2328 
2329 	return 0;
2330 }
2331 
2332 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2333 {
2334 	atomisp_free_css_parameters(&asd->params.css_param);
2335 
2336 	if (asd->raw_output_frame) {
2337 		ia_css_frame_free(asd->raw_output_frame);
2338 		asd->raw_output_frame = NULL;
2339 	}
2340 }
2341 
2342 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2343 				     enum ia_css_pipe_id pipe_id,
2344 				     int source_pad)
2345 {
2346 	struct atomisp_device *isp = asd->isp;
2347 	int err;
2348 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2349 
2350 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2351 		return;
2352 
2353 	/* We must free all buffers because they no longer match
2354 	   the grid size. */
2355 	atomisp_css_free_stat_buffers(asd);
2356 
2357 	err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2358 	if (err) {
2359 		dev_err(isp->dev, "stat_buf allocate error\n");
2360 		goto err;
2361 	}
2362 
2363 	if (atomisp_alloc_3a_output_buf(asd)) {
2364 		/* Failure for 3A buffers does not influence DIS buffers */
2365 		if (asd->params.s3a_output_bytes != 0) {
2366 			/* For SOC sensor happens s3a_output_bytes == 0,
2367 			 * using if condition to exclude false error log */
2368 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2369 		}
2370 		goto err;
2371 	}
2372 
2373 	if (atomisp_alloc_dis_coef_buf(asd)) {
2374 		dev_err(isp->dev,
2375 			"Failed to allocate memory for DIS statistics\n");
2376 		goto err;
2377 	}
2378 
2379 	if (atomisp_alloc_metadata_output_buf(asd)) {
2380 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2381 		goto err;
2382 	}
2383 
2384 	return;
2385 
2386 err:
2387 	atomisp_css_free_stat_buffers(asd);
2388 	return;
2389 }
2390 
2391 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2392 					struct atomisp_grid_info *info)
2393 {
2394 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2395 	       sizeof(struct ia_css_3a_grid_info));
2396 }
2397 
2398 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2399 			 struct atomisp_grid_info *atomgrid)
2400 {
2401 	struct atomisp_grid_info tmp = {0};
2402 
2403 	atomisp_curr_user_grid_info(asd, &tmp);
2404 	return memcmp(atomgrid, &tmp, sizeof(tmp));
2405 }
2406 
2407 /*
2408  * Function to update Gdc table for gdc
2409  */
2410 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2411 			  struct atomisp_morph_table *config)
2412 {
2413 	int ret;
2414 	int i;
2415 	struct atomisp_device *isp = asd->isp;
2416 
2417 	if (flag == 0) {
2418 		/* Get gdc table from current setup */
2419 		struct ia_css_morph_table tab = {0};
2420 
2421 		atomisp_css_get_morph_table(asd, &tab);
2422 
2423 		config->width = tab.width;
2424 		config->height = tab.height;
2425 
2426 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2427 			ret = copy_to_user(config->coordinates_x[i],
2428 					   tab.coordinates_x[i], tab.height *
2429 					   tab.width * sizeof(*tab.coordinates_x[i]));
2430 			if (ret) {
2431 				dev_err(isp->dev,
2432 					"Failed to copy to User for x\n");
2433 				return -EFAULT;
2434 			}
2435 			ret = copy_to_user(config->coordinates_y[i],
2436 					   tab.coordinates_y[i], tab.height *
2437 					   tab.width * sizeof(*tab.coordinates_y[i]));
2438 			if (ret) {
2439 				dev_err(isp->dev,
2440 					"Failed to copy to User for y\n");
2441 				return -EFAULT;
2442 			}
2443 		}
2444 	} else {
2445 		struct ia_css_morph_table *tab =
2446 			    asd->params.css_param.morph_table;
2447 
2448 		/* free first if we have one */
2449 		if (tab) {
2450 			atomisp_css_morph_table_free(tab);
2451 			asd->params.css_param.morph_table = NULL;
2452 		}
2453 
2454 		/* allocate new one */
2455 		tab = atomisp_css_morph_table_allocate(config->width,
2456 						       config->height);
2457 
2458 		if (!tab) {
2459 			dev_err(isp->dev, "out of memory\n");
2460 			return -EINVAL;
2461 		}
2462 
2463 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2464 			ret = copy_from_user(tab->coordinates_x[i],
2465 					     config->coordinates_x[i],
2466 					     config->height * config->width *
2467 					     sizeof(*config->coordinates_x[i]));
2468 			if (ret) {
2469 				dev_err(isp->dev,
2470 					"Failed to copy from User for x, ret %d\n",
2471 					ret);
2472 				atomisp_css_morph_table_free(tab);
2473 				return -EFAULT;
2474 			}
2475 			ret = copy_from_user(tab->coordinates_y[i],
2476 					     config->coordinates_y[i],
2477 					     config->height * config->width *
2478 					     sizeof(*config->coordinates_y[i]));
2479 			if (ret) {
2480 				dev_err(isp->dev,
2481 					"Failed to copy from User for y, ret is %d\n",
2482 					ret);
2483 				atomisp_css_morph_table_free(tab);
2484 				return -EFAULT;
2485 			}
2486 		}
2487 		asd->params.css_param.morph_table = tab;
2488 		if (asd->params.gdc_cac_en)
2489 			asd->params.config.morph_table = tab;
2490 	}
2491 
2492 	return 0;
2493 }
2494 
2495 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2496 		       struct atomisp_macc_config *config)
2497 {
2498 	struct ia_css_macc_table *macc_table;
2499 
2500 	switch (config->color_effect) {
2501 	case V4L2_COLORFX_NONE:
2502 		macc_table = &asd->params.css_param.macc_table;
2503 		break;
2504 	case V4L2_COLORFX_SKY_BLUE:
2505 		macc_table = &blue_macc_table;
2506 		break;
2507 	case V4L2_COLORFX_GRASS_GREEN:
2508 		macc_table = &green_macc_table;
2509 		break;
2510 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2511 		macc_table = &skin_low_macc_table;
2512 		break;
2513 	case V4L2_COLORFX_SKIN_WHITEN:
2514 		macc_table = &skin_medium_macc_table;
2515 		break;
2516 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2517 		macc_table = &skin_high_macc_table;
2518 		break;
2519 	default:
2520 		return -EINVAL;
2521 	}
2522 
2523 	if (flag == 0) {
2524 		/* Get macc table from current setup */
2525 		memcpy(&config->table, macc_table,
2526 		       sizeof(struct ia_css_macc_table));
2527 	} else {
2528 		memcpy(macc_table, &config->table,
2529 		       sizeof(struct ia_css_macc_table));
2530 		if (config->color_effect == asd->params.color_effect)
2531 			asd->params.config.macc_table = macc_table;
2532 	}
2533 
2534 	return 0;
2535 }
2536 
2537 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2538 			   struct atomisp_dis_vector *vector)
2539 {
2540 	atomisp_css_video_set_dis_vector(asd, vector);
2541 
2542 	asd->params.dis_proj_data_valid = false;
2543 	asd->params.css_update_params_needed = true;
2544 	return 0;
2545 }
2546 
2547 /*
2548  * Function to set/get image stablization statistics
2549  */
2550 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2551 			 struct atomisp_dis_statistics *stats)
2552 {
2553 	return atomisp_css_get_dis_stat(asd, stats);
2554 }
2555 
2556 /*
2557  * Function  set camrea_prefiles.xml current sensor pixel array size
2558  */
2559 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2560 			  struct atomisp_resolution  *config)
2561 {
2562 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2563 	if (!config) {
2564 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2565 		return -EINVAL;
2566 	}
2567 
2568 	asd->sensor_array_res.width = config->width;
2569 	asd->sensor_array_res.height = config->height;
2570 	return 0;
2571 }
2572 
2573 /*
2574  * Function to get DVS2 BQ resolution settings
2575  */
2576 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2577 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2578 {
2579 	struct ia_css_pipe_config *pipe_cfg = NULL;
2580 	struct ia_css_stream_config *stream_cfg = NULL;
2581 	struct ia_css_stream_input_config *input_config = NULL;
2582 
2583 	struct ia_css_stream *stream =
2584 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2585 	if (!stream) {
2586 		dev_warn(asd->isp->dev, "stream is not created");
2587 		return -EAGAIN;
2588 	}
2589 
2590 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2591 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2592 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2593 		     .stream_config;
2594 	input_config = &stream_cfg->input_config;
2595 
2596 	if (!bq_res)
2597 		return -EINVAL;
2598 
2599 	/* the GDC output resolution */
2600 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2601 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2602 
2603 	bq_res->envelope_bq.width_bq = 0;
2604 	bq_res->envelope_bq.height_bq = 0;
2605 	/* the GDC input resolution */
2606 	if (!asd->continuous_mode->val) {
2607 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2608 					     pipe_cfg->dvs_envelope.width / 2;
2609 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2610 					      pipe_cfg->dvs_envelope.height / 2;
2611 		/*
2612 		 * Bad pixels caused by spatial filter processing
2613 		 * ISP filter resolution should be given by CSS/FW, but for now
2614 		 * there is not such API to query, and it is fixed value, so
2615 		 * hardcoded here.
2616 		 */
2617 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2618 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2619 		/* spatial filter shift, always 4 pixels */
2620 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2621 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2622 
2623 		if (asd->params.video_dis_en) {
2624 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2625 						       / 2 - bq_res->ispfilter_bq.width_bq;
2626 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2627 							/ 2 - bq_res->ispfilter_bq.height_bq;
2628 		}
2629 	} else {
2630 		unsigned int w_padding;
2631 		unsigned int gdc_effective_input = 0;
2632 
2633 		/* For GDC:
2634 		 * gdc_effective_input = effective_input + envelope
2635 		 *
2636 		 * From the comment and formula in BZ1786,
2637 		 * we see the source_bq should be:
2638 		 * effective_input / bayer_ds_ratio
2639 		 */
2640 		bq_res->source_bq.width_bq =
2641 		    (input_config->effective_res.width *
2642 		     pipe_cfg->bayer_ds_out_res.width /
2643 		     input_config->effective_res.width + 1) / 2;
2644 		bq_res->source_bq.height_bq =
2645 		    (input_config->effective_res.height *
2646 		     pipe_cfg->bayer_ds_out_res.height /
2647 		     input_config->effective_res.height + 1) / 2;
2648 
2649 		if (!asd->params.video_dis_en) {
2650 			/*
2651 			 * We adjust the ispfilter_bq to:
2652 			 * ispfilter_bq = 128/BDS
2653 			 * we still need firmware team to provide an offical
2654 			 * formula for SDV.
2655 			 */
2656 			bq_res->ispfilter_bq.width_bq = 128 *
2657 							pipe_cfg->bayer_ds_out_res.width /
2658 							input_config->effective_res.width / 2;
2659 			bq_res->ispfilter_bq.height_bq = 128 *
2660 							 pipe_cfg->bayer_ds_out_res.width /
2661 							 input_config->effective_res.width / 2;
2662 
2663 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2664 				/* No additional left padding for ISYS2401 */
2665 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2666 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2667 			} else {
2668 				/*
2669 				 * For the w_padding and gdc_shift_bq cacluation
2670 				 * Please see the BZ 1786 and 4358 for more info.
2671 				 * Just test that this formula can work now,
2672 				 * but we still have no offical formula.
2673 				 *
2674 				 * w_padding = ceiling(gdc_effective_input
2675 				 *             /128, 1) * 128 - effective_width
2676 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2677 				 */
2678 				gdc_effective_input =
2679 				    input_config->effective_res.width +
2680 				    pipe_cfg->dvs_envelope.width;
2681 				w_padding = roundup(gdc_effective_input, 128) -
2682 					    input_config->effective_res.width;
2683 				w_padding = w_padding *
2684 					    pipe_cfg->bayer_ds_out_res.width /
2685 					    input_config->effective_res.width + 1;
2686 				w_padding = roundup(w_padding / 2, 1);
2687 
2688 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2689 								+ w_padding;
2690 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2691 			}
2692 		} else {
2693 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2694 
2695 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2696 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2697 
2698 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2699 				/* No additional left padding for ISYS2401 */
2700 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2701 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2702 			} else {
2703 				w_padding =
2704 				    roundup(input_config->effective_res.width, 128) -
2705 				    input_config->effective_res.width;
2706 				if (w_padding < 12)
2707 					w_padding = 12;
2708 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2709 								((w_padding - 12) *
2710 								 pipe_cfg->bayer_ds_out_res.width /
2711 								 input_config->effective_res.width + 1) / 2;
2712 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2713 			}
2714 
2715 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2716 				pipe_cfg->output_info[0].res.width;
2717 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2718 				pipe_cfg->output_info[0].res.height;
2719 			dvs_w_max = rounddown(
2720 					pipe_cfg->output_info[0].res.width / 5,
2721 					ATOM_ISP_STEP_WIDTH);
2722 			dvs_h_max = rounddown(
2723 					pipe_cfg->output_info[0].res.height / 5,
2724 					ATOM_ISP_STEP_HEIGHT);
2725 			bq_res->envelope_bq.width_bq =
2726 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2727 			    bq_res->ispfilter_bq.width_bq;
2728 			bq_res->envelope_bq.height_bq =
2729 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2730 			    bq_res->ispfilter_bq.height_bq;
2731 		}
2732 	}
2733 
2734 	dev_dbg(asd->isp->dev,
2735 		"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",
2736 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2737 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2738 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2739 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2740 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2741 
2742 	return 0;
2743 }
2744 
2745 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2746 			  struct atomisp_dis_coefficients *coefs)
2747 {
2748 	return atomisp_css_set_dis_coefs(asd, coefs);
2749 }
2750 
2751 /*
2752  * Function to set/get 3A stat from isp
2753  */
2754 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2755 		    struct atomisp_3a_statistics *config)
2756 {
2757 	struct atomisp_device *isp = asd->isp;
2758 	struct atomisp_s3a_buf *s3a_buf;
2759 	unsigned long ret;
2760 
2761 	if (flag != 0)
2762 		return -EINVAL;
2763 
2764 	/* sanity check to avoid writing into unallocated memory. */
2765 	if (asd->params.s3a_output_bytes == 0)
2766 		return -EINVAL;
2767 
2768 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2769 		/* If the grid info in the argument differs from the current
2770 		   grid info, we tell the caller to reset the grid size and
2771 		   try again. */
2772 		return -EAGAIN;
2773 	}
2774 
2775 	if (list_empty(&asd->s3a_stats_ready)) {
2776 		dev_err(isp->dev, "3a statistics is not valid.\n");
2777 		return -EAGAIN;
2778 	}
2779 
2780 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2781 			     struct atomisp_s3a_buf, list);
2782 	if (s3a_buf->s3a_map)
2783 		ia_css_translate_3a_statistics(
2784 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2785 	else
2786 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2787 					 s3a_buf->s3a_data);
2788 
2789 	config->exp_id = s3a_buf->s3a_data->exp_id;
2790 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2791 
2792 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2793 			   asd->params.s3a_output_bytes);
2794 	if (ret) {
2795 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2796 			ret);
2797 		return -EFAULT;
2798 	}
2799 
2800 	/* Move to free buffer list */
2801 	list_del_init(&s3a_buf->list);
2802 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2803 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2804 		__func__,
2805 		config->exp_id, config->isp_config_id);
2806 	return 0;
2807 }
2808 
2809 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2810 			 struct atomisp_metadata *md)
2811 {
2812 	struct atomisp_device *isp = asd->isp;
2813 	struct ia_css_stream_info *stream_info;
2814 	struct camera_mipi_info *mipi_info;
2815 	struct atomisp_metadata_buf *md_buf;
2816 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2817 	int ret, i;
2818 
2819 	if (flag != 0)
2820 		return -EINVAL;
2821 
2822 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2823 		      stream_info;
2824 
2825 	/* We always return the resolution and stride even if there is
2826 	 * no valid metadata. This allows the caller to get the information
2827 	 * needed to allocate user-space buffers. */
2828 	md->width  = stream_info->metadata_info.resolution.width;
2829 	md->height = stream_info->metadata_info.resolution.height;
2830 	md->stride = stream_info->metadata_info.stride;
2831 
2832 	/* sanity check to avoid writing into unallocated memory.
2833 	 * This does not return an error because it is a valid way
2834 	 * for applications to detect that metadata is not enabled. */
2835 	if (md->width == 0 || md->height == 0 || !md->data)
2836 		return 0;
2837 
2838 	/* This is done in the atomisp_buf_done() */
2839 	if (list_empty(&asd->metadata_ready[md_type])) {
2840 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2841 		return -EAGAIN;
2842 	}
2843 
2844 	mipi_info = atomisp_to_sensor_mipi_info(
2845 			isp->inputs[asd->input_curr].camera);
2846 	if (!mipi_info)
2847 		return -EINVAL;
2848 
2849 	if (mipi_info->metadata_effective_width) {
2850 		for (i = 0; i < md->height; i++)
2851 			md->effective_width[i] =
2852 			    mipi_info->metadata_effective_width[i];
2853 	}
2854 
2855 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2856 			    struct atomisp_metadata_buf, list);
2857 	md->exp_id = md_buf->metadata->exp_id;
2858 	if (md_buf->md_vptr) {
2859 		ret = copy_to_user(md->data,
2860 				   md_buf->md_vptr,
2861 				   stream_info->metadata_info.size);
2862 	} else {
2863 		hmm_load(md_buf->metadata->address,
2864 			 asd->params.metadata_user[md_type],
2865 			 stream_info->metadata_info.size);
2866 
2867 		ret = copy_to_user(md->data,
2868 				   asd->params.metadata_user[md_type],
2869 				   stream_info->metadata_info.size);
2870 	}
2871 	if (ret) {
2872 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2873 			ret);
2874 		return -EFAULT;
2875 	}
2876 
2877 	list_del_init(&md_buf->list);
2878 	list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2879 
2880 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2881 		__func__, md_type, md->exp_id);
2882 	return 0;
2883 }
2884 
2885 int atomisp_get_metadata_by_type(struct atomisp_sub_device *asd, int flag,
2886 				 struct atomisp_metadata_with_type *md)
2887 {
2888 	struct atomisp_device *isp = asd->isp;
2889 	struct ia_css_stream_info *stream_info;
2890 	struct camera_mipi_info *mipi_info;
2891 	struct atomisp_metadata_buf *md_buf;
2892 	enum atomisp_metadata_type md_type;
2893 	int ret, i;
2894 
2895 	if (flag != 0)
2896 		return -EINVAL;
2897 
2898 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2899 		      stream_info;
2900 
2901 	/* We always return the resolution and stride even if there is
2902 	 * no valid metadata. This allows the caller to get the information
2903 	 * needed to allocate user-space buffers. */
2904 	md->width  = stream_info->metadata_info.resolution.width;
2905 	md->height = stream_info->metadata_info.resolution.height;
2906 	md->stride = stream_info->metadata_info.stride;
2907 
2908 	/* sanity check to avoid writing into unallocated memory.
2909 	 * This does not return an error because it is a valid way
2910 	 * for applications to detect that metadata is not enabled. */
2911 	if (md->width == 0 || md->height == 0 || !md->data)
2912 		return 0;
2913 
2914 	md_type = md->type;
2915 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2916 		return -EINVAL;
2917 
2918 	/* This is done in the atomisp_buf_done() */
2919 	if (list_empty(&asd->metadata_ready[md_type])) {
2920 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2921 		return -EAGAIN;
2922 	}
2923 
2924 	mipi_info = atomisp_to_sensor_mipi_info(
2925 			isp->inputs[asd->input_curr].camera);
2926 	if (!mipi_info)
2927 		return -EINVAL;
2928 
2929 	if (mipi_info->metadata_effective_width) {
2930 		for (i = 0; i < md->height; i++)
2931 			md->effective_width[i] =
2932 			    mipi_info->metadata_effective_width[i];
2933 	}
2934 
2935 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2936 			    struct atomisp_metadata_buf, list);
2937 	md->exp_id = md_buf->metadata->exp_id;
2938 	if (md_buf->md_vptr) {
2939 		ret = copy_to_user(md->data,
2940 				   md_buf->md_vptr,
2941 				   stream_info->metadata_info.size);
2942 	} else {
2943 		hmm_load(md_buf->metadata->address,
2944 			 asd->params.metadata_user[md_type],
2945 			 stream_info->metadata_info.size);
2946 
2947 		ret = copy_to_user(md->data,
2948 				   asd->params.metadata_user[md_type],
2949 				   stream_info->metadata_info.size);
2950 	}
2951 	if (ret) {
2952 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2953 			ret);
2954 		return -EFAULT;
2955 	} else {
2956 		list_del_init(&md_buf->list);
2957 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2958 	}
2959 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2960 		__func__, md_type, md->exp_id);
2961 	return 0;
2962 }
2963 
2964 /*
2965  * Function to calculate real zoom region for every pipe
2966  */
2967 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2968 				       struct ia_css_dz_config   *dz_config,
2969 				       enum ia_css_pipe_id css_pipe_id)
2970 
2971 {
2972 	struct atomisp_stream_env *stream_env =
2973 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2974 	struct atomisp_resolution  eff_res, out_res;
2975 	int w_offset, h_offset;
2976 
2977 	memset(&eff_res, 0, sizeof(eff_res));
2978 	memset(&out_res, 0, sizeof(out_res));
2979 
2980 	if (dz_config->dx || dz_config->dy)
2981 		return 0;
2982 
2983 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2984 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2985 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2986 			, __func__);
2987 		return -EINVAL;
2988 	}
2989 
2990 	eff_res.width =
2991 	    stream_env->stream_config.input_config.effective_res.width;
2992 	eff_res.height =
2993 	    stream_env->stream_config.input_config.effective_res.height;
2994 	if (eff_res.width == 0 || eff_res.height == 0) {
2995 		dev_err(asd->isp->dev, "%s err effective resolution"
2996 			, __func__);
2997 		return -EINVAL;
2998 	}
2999 
3000 	if (dz_config->zoom_region.resolution.width
3001 	    == asd->sensor_array_res.width
3002 	    || dz_config->zoom_region.resolution.height
3003 	    == asd->sensor_array_res.height) {
3004 		/*no need crop region*/
3005 		dz_config->zoom_region.origin.x = 0;
3006 		dz_config->zoom_region.origin.y = 0;
3007 		dz_config->zoom_region.resolution.width = eff_res.width;
3008 		dz_config->zoom_region.resolution.height = eff_res.height;
3009 		return 0;
3010 	}
3011 
3012 	/* FIXME:
3013 	 * This is not the correct implementation with Google's definition, due
3014 	 * to firmware limitation.
3015 	 * map real crop region base on above calculating base max crop region.
3016 	 */
3017 
3018 	if (!IS_ISP2401) {
3019 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3020 						  * eff_res.width
3021 						  / asd->sensor_array_res.width;
3022 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3023 						  * eff_res.height
3024 						  / asd->sensor_array_res.height;
3025 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3026 							  * eff_res.width
3027 							  / asd->sensor_array_res.width;
3028 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3029 							  * eff_res.height
3030 							  / asd->sensor_array_res.height;
3031 		/*
3032 		 * Set same ratio of crop region resolution and current pipe output
3033 		 * resolution
3034 		 */
3035 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3036 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3037 		if (out_res.width == 0 || out_res.height == 0) {
3038 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3039 				, __func__);
3040 			return -EINVAL;
3041 		}
3042 	} else {
3043 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3044 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3045 		if (out_res.width == 0 || out_res.height == 0) {
3046 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3047 				, __func__);
3048 			return -EINVAL;
3049 		}
3050 
3051 		if (asd->sensor_array_res.width * out_res.height
3052 		    < out_res.width * asd->sensor_array_res.height) {
3053 			h_offset = asd->sensor_array_res.height
3054 				   - asd->sensor_array_res.width
3055 				   * out_res.height / out_res.width;
3056 			h_offset = h_offset / 2;
3057 			if (dz_config->zoom_region.origin.y < h_offset)
3058 				dz_config->zoom_region.origin.y = 0;
3059 			else
3060 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3061 			w_offset = 0;
3062 		} else {
3063 			w_offset = asd->sensor_array_res.width
3064 				   - asd->sensor_array_res.height
3065 				   * out_res.width / out_res.height;
3066 			w_offset = w_offset / 2;
3067 			if (dz_config->zoom_region.origin.x < w_offset)
3068 				dz_config->zoom_region.origin.x = 0;
3069 			else
3070 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3071 			h_offset = 0;
3072 		}
3073 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3074 						  * eff_res.width
3075 						  / (asd->sensor_array_res.width - 2 * w_offset);
3076 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3077 						  * eff_res.height
3078 						  / (asd->sensor_array_res.height - 2 * h_offset);
3079 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3080 						  * eff_res.width
3081 						  / (asd->sensor_array_res.width - 2 * w_offset);
3082 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3083 						  * eff_res.height
3084 						  / (asd->sensor_array_res.height - 2 * h_offset);
3085 	}
3086 
3087 	if (out_res.width * dz_config->zoom_region.resolution.height
3088 	    > dz_config->zoom_region.resolution.width * out_res.height) {
3089 		dz_config->zoom_region.resolution.height =
3090 		    dz_config->zoom_region.resolution.width
3091 		    * out_res.height / out_res.width;
3092 	} else {
3093 		dz_config->zoom_region.resolution.width =
3094 		    dz_config->zoom_region.resolution.height
3095 		    * out_res.width / out_res.height;
3096 	}
3097 	dev_dbg(asd->isp->dev,
3098 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3099 		__func__, dz_config->zoom_region.origin.x,
3100 		dz_config->zoom_region.origin.y,
3101 		dz_config->zoom_region.resolution.width,
3102 		dz_config->zoom_region.resolution.height,
3103 		eff_res.width, eff_res.height,
3104 		asd->sensor_array_res.width,
3105 		asd->sensor_array_res.height,
3106 		out_res.width, out_res.height);
3107 
3108 	if ((dz_config->zoom_region.origin.x +
3109 	     dz_config->zoom_region.resolution.width
3110 	     > eff_res.width) ||
3111 	    (dz_config->zoom_region.origin.y +
3112 	     dz_config->zoom_region.resolution.height
3113 	     > eff_res.height))
3114 		return -EINVAL;
3115 
3116 	return 0;
3117 }
3118 
3119 /*
3120  * Function to check the zoom region whether is effective
3121  */
3122 static bool atomisp_check_zoom_region(
3123     struct atomisp_sub_device *asd,
3124     struct ia_css_dz_config *dz_config)
3125 {
3126 	struct atomisp_resolution  config;
3127 	bool flag = false;
3128 	unsigned int w, h;
3129 
3130 	memset(&config, 0, sizeof(struct atomisp_resolution));
3131 
3132 	if (dz_config->dx && dz_config->dy)
3133 		return true;
3134 
3135 	config.width = asd->sensor_array_res.width;
3136 	config.height = asd->sensor_array_res.height;
3137 	w = dz_config->zoom_region.origin.x +
3138 	    dz_config->zoom_region.resolution.width;
3139 	h = dz_config->zoom_region.origin.y +
3140 	    dz_config->zoom_region.resolution.height;
3141 
3142 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3143 		flag = true;
3144 	else
3145 		/* setting error zoom region */
3146 		dev_err(asd->isp->dev,
3147 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3148 			__func__, dz_config->zoom_region.origin.x,
3149 			dz_config->zoom_region.origin.y,
3150 			dz_config->zoom_region.resolution.width,
3151 			dz_config->zoom_region.resolution.height,
3152 			config.width, config.height);
3153 
3154 	return flag;
3155 }
3156 
3157 void atomisp_apply_css_parameters(
3158     struct atomisp_sub_device *asd,
3159     struct atomisp_css_params *css_param)
3160 {
3161 	if (css_param->update_flag.wb_config)
3162 		asd->params.config.wb_config = &css_param->wb_config;
3163 
3164 	if (css_param->update_flag.ob_config)
3165 		asd->params.config.ob_config = &css_param->ob_config;
3166 
3167 	if (css_param->update_flag.dp_config)
3168 		asd->params.config.dp_config = &css_param->dp_config;
3169 
3170 	if (css_param->update_flag.nr_config)
3171 		asd->params.config.nr_config = &css_param->nr_config;
3172 
3173 	if (css_param->update_flag.ee_config)
3174 		asd->params.config.ee_config = &css_param->ee_config;
3175 
3176 	if (css_param->update_flag.tnr_config)
3177 		asd->params.config.tnr_config = &css_param->tnr_config;
3178 
3179 	if (css_param->update_flag.a3a_config)
3180 		asd->params.config.s3a_config = &css_param->s3a_config;
3181 
3182 	if (css_param->update_flag.ctc_config)
3183 		asd->params.config.ctc_config = &css_param->ctc_config;
3184 
3185 	if (css_param->update_flag.cnr_config)
3186 		asd->params.config.cnr_config = &css_param->cnr_config;
3187 
3188 	if (css_param->update_flag.ecd_config)
3189 		asd->params.config.ecd_config = &css_param->ecd_config;
3190 
3191 	if (css_param->update_flag.ynr_config)
3192 		asd->params.config.ynr_config = &css_param->ynr_config;
3193 
3194 	if (css_param->update_flag.fc_config)
3195 		asd->params.config.fc_config = &css_param->fc_config;
3196 
3197 	if (css_param->update_flag.macc_config)
3198 		asd->params.config.macc_config = &css_param->macc_config;
3199 
3200 	if (css_param->update_flag.aa_config)
3201 		asd->params.config.aa_config = &css_param->aa_config;
3202 
3203 	if (css_param->update_flag.anr_config)
3204 		asd->params.config.anr_config = &css_param->anr_config;
3205 
3206 	if (css_param->update_flag.xnr_config)
3207 		asd->params.config.xnr_config = &css_param->xnr_config;
3208 
3209 	if (css_param->update_flag.yuv2rgb_cc_config)
3210 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3211 
3212 	if (css_param->update_flag.rgb2yuv_cc_config)
3213 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3214 
3215 	if (css_param->update_flag.macc_table)
3216 		asd->params.config.macc_table = &css_param->macc_table;
3217 
3218 	if (css_param->update_flag.xnr_table)
3219 		asd->params.config.xnr_table = &css_param->xnr_table;
3220 
3221 	if (css_param->update_flag.r_gamma_table)
3222 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3223 
3224 	if (css_param->update_flag.g_gamma_table)
3225 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3226 
3227 	if (css_param->update_flag.b_gamma_table)
3228 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3229 
3230 	if (css_param->update_flag.anr_thres)
3231 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3232 
3233 	if (css_param->update_flag.shading_table)
3234 		asd->params.config.shading_table = css_param->shading_table;
3235 
3236 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3237 		asd->params.config.morph_table = css_param->morph_table;
3238 
3239 	if (css_param->update_flag.dvs2_coefs) {
3240 		struct ia_css_dvs_grid_info *dvs_grid_info =
3241 		    atomisp_css_get_dvs_grid_info(
3242 			&asd->params.curr_grid_info);
3243 
3244 		if (dvs_grid_info && dvs_grid_info->enable)
3245 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3246 	}
3247 
3248 	if (css_param->update_flag.dvs_6axis_config)
3249 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3250 
3251 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3252 	/*
3253 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3254 	 * so do not handle them. see comments of ia_css_isp_config.
3255 	 * 1 cc_config
3256 	 * 2 ce_config
3257 	 * 3 de_config
3258 	 * 4 gc_config
3259 	 * 5 gamma_table
3260 	 * 6 ctc_table
3261 	 * 7 dvs_coefs
3262 	 */
3263 }
3264 
3265 static unsigned int long copy_from_compatible(void *to, const void *from,
3266 	unsigned long n, bool from_user)
3267 {
3268 	if (from_user)
3269 		return copy_from_user(to, (void __user *)from, n);
3270 	else
3271 		memcpy(to, from, n);
3272 	return 0;
3273 }
3274 
3275 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3276 				      struct atomisp_parameters *arg,
3277 				      struct atomisp_css_params *css_param,
3278 				      bool from_user)
3279 {
3280 	struct atomisp_parameters *cur_config = &css_param->update_flag;
3281 
3282 	if (!arg || !asd || !css_param)
3283 		return -EINVAL;
3284 
3285 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3286 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3287 					 sizeof(struct ia_css_wb_config),
3288 					 from_user))
3289 			return -EFAULT;
3290 		css_param->update_flag.wb_config =
3291 		    (struct atomisp_wb_config *)&css_param->wb_config;
3292 	}
3293 
3294 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3295 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3296 					 sizeof(struct ia_css_ob_config),
3297 					 from_user))
3298 			return -EFAULT;
3299 		css_param->update_flag.ob_config =
3300 		    (struct atomisp_ob_config *)&css_param->ob_config;
3301 	}
3302 
3303 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3304 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3305 					 sizeof(struct ia_css_dp_config),
3306 					 from_user))
3307 			return -EFAULT;
3308 		css_param->update_flag.dp_config =
3309 		    (struct atomisp_dp_config *)&css_param->dp_config;
3310 	}
3311 
3312 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3313 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3314 			if (copy_from_compatible(&css_param->dz_config,
3315 						 arg->dz_config,
3316 						 sizeof(struct ia_css_dz_config),
3317 						 from_user))
3318 				return -EFAULT;
3319 			if (!atomisp_check_zoom_region(asd,
3320 						       &css_param->dz_config)) {
3321 				dev_err(asd->isp->dev, "crop region error!");
3322 				return -EINVAL;
3323 			}
3324 			css_param->update_flag.dz_config =
3325 			    (struct atomisp_dz_config *)
3326 			    &css_param->dz_config;
3327 		}
3328 	}
3329 
3330 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3331 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3332 					 sizeof(struct ia_css_nr_config),
3333 					 from_user))
3334 			return -EFAULT;
3335 		css_param->update_flag.nr_config =
3336 		    (struct atomisp_nr_config *)&css_param->nr_config;
3337 	}
3338 
3339 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3340 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3341 					 sizeof(struct ia_css_ee_config),
3342 					 from_user))
3343 			return -EFAULT;
3344 		css_param->update_flag.ee_config =
3345 		    (struct atomisp_ee_config *)&css_param->ee_config;
3346 	}
3347 
3348 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3349 		if (copy_from_compatible(&css_param->tnr_config,
3350 					 arg->tnr_config,
3351 					 sizeof(struct ia_css_tnr_config),
3352 					 from_user))
3353 			return -EFAULT;
3354 		css_param->update_flag.tnr_config =
3355 		    (struct atomisp_tnr_config *)
3356 		    &css_param->tnr_config;
3357 	}
3358 
3359 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3360 		if (copy_from_compatible(&css_param->s3a_config,
3361 					 arg->a3a_config,
3362 					 sizeof(struct ia_css_3a_config),
3363 					 from_user))
3364 			return -EFAULT;
3365 		css_param->update_flag.a3a_config =
3366 		    (struct atomisp_3a_config *)&css_param->s3a_config;
3367 	}
3368 
3369 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3370 		if (copy_from_compatible(&css_param->ctc_config,
3371 					 arg->ctc_config,
3372 					 sizeof(struct ia_css_ctc_config),
3373 					 from_user))
3374 			return -EFAULT;
3375 		css_param->update_flag.ctc_config =
3376 		    (struct atomisp_ctc_config *)
3377 		    &css_param->ctc_config;
3378 	}
3379 
3380 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3381 		if (copy_from_compatible(&css_param->cnr_config,
3382 					 arg->cnr_config,
3383 					 sizeof(struct ia_css_cnr_config),
3384 					 from_user))
3385 			return -EFAULT;
3386 		css_param->update_flag.cnr_config =
3387 		    (struct atomisp_cnr_config *)
3388 		    &css_param->cnr_config;
3389 	}
3390 
3391 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3392 		if (copy_from_compatible(&css_param->ecd_config,
3393 					 arg->ecd_config,
3394 					 sizeof(struct ia_css_ecd_config),
3395 					 from_user))
3396 			return -EFAULT;
3397 		css_param->update_flag.ecd_config =
3398 		    (struct atomisp_ecd_config *)
3399 		    &css_param->ecd_config;
3400 	}
3401 
3402 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3403 		if (copy_from_compatible(&css_param->ynr_config,
3404 					 arg->ynr_config,
3405 					 sizeof(struct ia_css_ynr_config),
3406 					 from_user))
3407 			return -EFAULT;
3408 		css_param->update_flag.ynr_config =
3409 		    (struct atomisp_ynr_config *)
3410 		    &css_param->ynr_config;
3411 	}
3412 
3413 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3414 		if (copy_from_compatible(&css_param->fc_config,
3415 					 arg->fc_config,
3416 					 sizeof(struct ia_css_fc_config),
3417 					 from_user))
3418 			return -EFAULT;
3419 		css_param->update_flag.fc_config =
3420 		    (struct atomisp_fc_config *)&css_param->fc_config;
3421 	}
3422 
3423 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3424 		if (copy_from_compatible(&css_param->macc_config,
3425 					 arg->macc_config,
3426 					 sizeof(struct ia_css_macc_config),
3427 					 from_user))
3428 			return -EFAULT;
3429 		css_param->update_flag.macc_config =
3430 		    (struct atomisp_macc_config *)
3431 		    &css_param->macc_config;
3432 	}
3433 
3434 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3435 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3436 					 sizeof(struct ia_css_aa_config),
3437 					 from_user))
3438 			return -EFAULT;
3439 		css_param->update_flag.aa_config =
3440 		    (struct atomisp_aa_config *)&css_param->aa_config;
3441 	}
3442 
3443 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3444 		if (copy_from_compatible(&css_param->anr_config,
3445 					 arg->anr_config,
3446 					 sizeof(struct ia_css_anr_config),
3447 					 from_user))
3448 			return -EFAULT;
3449 		css_param->update_flag.anr_config =
3450 		    (struct atomisp_anr_config *)
3451 		    &css_param->anr_config;
3452 	}
3453 
3454 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3455 		if (copy_from_compatible(&css_param->xnr_config,
3456 					 arg->xnr_config,
3457 					 sizeof(struct ia_css_xnr_config),
3458 					 from_user))
3459 			return -EFAULT;
3460 		css_param->update_flag.xnr_config =
3461 		    (struct atomisp_xnr_config *)
3462 		    &css_param->xnr_config;
3463 	}
3464 
3465 	if (arg->yuv2rgb_cc_config &&
3466 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3467 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3468 					 arg->yuv2rgb_cc_config,
3469 					 sizeof(struct ia_css_cc_config),
3470 					 from_user))
3471 			return -EFAULT;
3472 		css_param->update_flag.yuv2rgb_cc_config =
3473 		    (struct atomisp_cc_config *)
3474 		    &css_param->yuv2rgb_cc_config;
3475 	}
3476 
3477 	if (arg->rgb2yuv_cc_config &&
3478 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3479 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3480 					 arg->rgb2yuv_cc_config,
3481 					 sizeof(struct ia_css_cc_config),
3482 					 from_user))
3483 			return -EFAULT;
3484 		css_param->update_flag.rgb2yuv_cc_config =
3485 		    (struct atomisp_cc_config *)
3486 		    &css_param->rgb2yuv_cc_config;
3487 	}
3488 
3489 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3490 		if (copy_from_compatible(&css_param->macc_table,
3491 					 arg->macc_table,
3492 					 sizeof(struct ia_css_macc_table),
3493 					 from_user))
3494 			return -EFAULT;
3495 		css_param->update_flag.macc_table =
3496 		    (struct atomisp_macc_table *)
3497 		    &css_param->macc_table;
3498 	}
3499 
3500 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3501 		if (copy_from_compatible(&css_param->xnr_table,
3502 					 arg->xnr_table,
3503 					 sizeof(struct ia_css_xnr_table),
3504 					 from_user))
3505 			return -EFAULT;
3506 		css_param->update_flag.xnr_table =
3507 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3508 	}
3509 
3510 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3511 		if (copy_from_compatible(&css_param->r_gamma_table,
3512 					 arg->r_gamma_table,
3513 					 sizeof(struct ia_css_rgb_gamma_table),
3514 					 from_user))
3515 			return -EFAULT;
3516 		css_param->update_flag.r_gamma_table =
3517 		    (struct atomisp_rgb_gamma_table *)
3518 		    &css_param->r_gamma_table;
3519 	}
3520 
3521 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3522 		if (copy_from_compatible(&css_param->g_gamma_table,
3523 					 arg->g_gamma_table,
3524 					 sizeof(struct ia_css_rgb_gamma_table),
3525 					 from_user))
3526 			return -EFAULT;
3527 		css_param->update_flag.g_gamma_table =
3528 		    (struct atomisp_rgb_gamma_table *)
3529 		    &css_param->g_gamma_table;
3530 	}
3531 
3532 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3533 		if (copy_from_compatible(&css_param->b_gamma_table,
3534 					 arg->b_gamma_table,
3535 					 sizeof(struct ia_css_rgb_gamma_table),
3536 					 from_user))
3537 			return -EFAULT;
3538 		css_param->update_flag.b_gamma_table =
3539 		    (struct atomisp_rgb_gamma_table *)
3540 		    &css_param->b_gamma_table;
3541 	}
3542 
3543 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3544 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3545 					 sizeof(struct ia_css_anr_thres),
3546 					 from_user))
3547 			return -EFAULT;
3548 		css_param->update_flag.anr_thres =
3549 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3550 	}
3551 
3552 	if (from_user)
3553 		css_param->isp_config_id = arg->isp_config_id;
3554 	/*
3555 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3556 	 * so do not handle them. see comments of ia_css_isp_config.
3557 	 * 1 cc_config
3558 	 * 2 ce_config
3559 	 * 3 de_config
3560 	 * 4 gc_config
3561 	 * 5 gamma_table
3562 	 * 6 ctc_table
3563 	 * 7 dvs_coefs
3564 	 */
3565 	return 0;
3566 }
3567 
3568 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3569 			 struct atomisp_shading_table *source_st,
3570 			 struct atomisp_css_params *css_param,
3571 			 bool from_user)
3572 {
3573 	unsigned int i;
3574 	unsigned int len_table;
3575 	struct ia_css_shading_table *shading_table;
3576 	struct ia_css_shading_table *old_table;
3577 	struct atomisp_shading_table *st, dest_st;
3578 
3579 	if (!source_st)
3580 		return 0;
3581 
3582 	if (!css_param)
3583 		return -EINVAL;
3584 
3585 	if (!from_user && css_param->update_flag.shading_table)
3586 		return 0;
3587 
3588 	if (IS_ISP2401) {
3589 		if (copy_from_compatible(&dest_st, source_st,
3590 					sizeof(struct atomisp_shading_table),
3591 					from_user)) {
3592 			dev_err(asd->isp->dev, "copy shading table failed!");
3593 			return -EFAULT;
3594 		}
3595 		st = &dest_st;
3596 	} else {
3597 		st = source_st;
3598 	}
3599 
3600 	old_table = css_param->shading_table;
3601 
3602 	/* user config is to disable the shading table. */
3603 	if (!st->enable) {
3604 		/* Generate a minimum table with enable = 0. */
3605 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3606 		if (!shading_table)
3607 			return -ENOMEM;
3608 		shading_table->enable = 0;
3609 		goto set_lsc;
3610 	}
3611 
3612 	/* Setting a new table. Validate first - all tables must be set */
3613 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3614 		if (!st->data[i]) {
3615 			dev_err(asd->isp->dev, "shading table validate failed");
3616 			return -EINVAL;
3617 		}
3618 	}
3619 
3620 	/* Shading table size per color */
3621 	if (!IS_ISP2401) {
3622 		if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3623 		    st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3624 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3625 			return -EINVAL;
3626 		}
3627 	} else {
3628 		if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3629 		    st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3630 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3631 			return -EINVAL;
3632 		}
3633 	}
3634 
3635 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3636 	if (!shading_table)
3637 		return -ENOMEM;
3638 
3639 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3640 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3641 		if (copy_from_compatible(shading_table->data[i],
3642 					 st->data[i], len_table, from_user)) {
3643 			atomisp_css_shading_table_free(shading_table);
3644 			return -EFAULT;
3645 		}
3646 	}
3647 	shading_table->sensor_width = st->sensor_width;
3648 	shading_table->sensor_height = st->sensor_height;
3649 	shading_table->fraction_bits = st->fraction_bits;
3650 	shading_table->enable = st->enable;
3651 
3652 	/* No need to update shading table if it is the same */
3653 	if (old_table &&
3654 	    old_table->sensor_width == shading_table->sensor_width &&
3655 	    old_table->sensor_height == shading_table->sensor_height &&
3656 	    old_table->width == shading_table->width &&
3657 	    old_table->height == shading_table->height &&
3658 	    old_table->fraction_bits == shading_table->fraction_bits &&
3659 	    old_table->enable == shading_table->enable) {
3660 		bool data_is_same = true;
3661 
3662 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3663 			if (memcmp(shading_table->data[i], old_table->data[i],
3664 				   len_table) != 0) {
3665 				data_is_same = false;
3666 				break;
3667 			}
3668 		}
3669 
3670 		if (data_is_same) {
3671 			atomisp_css_shading_table_free(shading_table);
3672 			return 0;
3673 		}
3674 	}
3675 
3676 set_lsc:
3677 	/* set LSC to CSS */
3678 	css_param->shading_table = shading_table;
3679 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3680 	asd->params.sc_en = shading_table;
3681 
3682 	if (old_table)
3683 		atomisp_css_shading_table_free(old_table);
3684 
3685 	return 0;
3686 }
3687 
3688 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3689 			      struct ia_css_dvs2_coefficients *coefs,
3690 			      struct atomisp_css_params *css_param,
3691 			      bool from_user)
3692 {
3693 	struct ia_css_dvs_grid_info *cur =
3694 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3695 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3696 	struct ia_css_dvs2_coefficients dvs2_coefs;
3697 
3698 	if (!coefs || !cur)
3699 		return 0;
3700 
3701 	if (!from_user && css_param->update_flag.dvs2_coefs)
3702 		return 0;
3703 
3704 	if (!IS_ISP2401) {
3705 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3706 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3707 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3708 			/* If the grid info in the argument differs from the current
3709 			grid info, we tell the caller to reset the grid size and
3710 			try again. */
3711 			return -EAGAIN;
3712 		}
3713 
3714 		if (!coefs->hor_coefs.odd_real ||
3715 		    !coefs->hor_coefs.odd_imag ||
3716 		    !coefs->hor_coefs.even_real ||
3717 		    !coefs->hor_coefs.even_imag ||
3718 		    !coefs->ver_coefs.odd_real ||
3719 		    !coefs->ver_coefs.odd_imag ||
3720 		    !coefs->ver_coefs.even_real ||
3721 		    !coefs->ver_coefs.even_imag)
3722 			return -EINVAL;
3723 
3724 		if (!css_param->dvs2_coeff) {
3725 			/* DIS coefficients. */
3726 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3727 			if (!css_param->dvs2_coeff)
3728 				return -ENOMEM;
3729 		}
3730 
3731 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3732 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3733 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3734 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3735 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3736 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3737 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3738 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3739 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3740 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3741 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3742 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3743 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3744 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3745 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3746 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3747 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3748 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3749 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3750 			css_param->dvs2_coeff = NULL;
3751 			return -EFAULT;
3752 		}
3753 	} else {
3754 		if (copy_from_compatible(&dvs2_coefs, coefs,
3755 					sizeof(struct ia_css_dvs2_coefficients),
3756 					from_user)) {
3757 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3758 			return -EFAULT;
3759 		}
3760 
3761 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3762 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3763 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3764 			/* If the grid info in the argument differs from the current
3765 			grid info, we tell the caller to reset the grid size and
3766 			try again. */
3767 			return -EAGAIN;
3768 		}
3769 
3770 		if (!dvs2_coefs.hor_coefs.odd_real ||
3771 		    !dvs2_coefs.hor_coefs.odd_imag ||
3772 		    !dvs2_coefs.hor_coefs.even_real ||
3773 		    !dvs2_coefs.hor_coefs.even_imag ||
3774 		    !dvs2_coefs.ver_coefs.odd_real ||
3775 		    !dvs2_coefs.ver_coefs.odd_imag ||
3776 		    !dvs2_coefs.ver_coefs.even_real ||
3777 		    !dvs2_coefs.ver_coefs.even_imag)
3778 			return -EINVAL;
3779 
3780 		if (!css_param->dvs2_coeff) {
3781 			/* DIS coefficients. */
3782 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3783 			if (!css_param->dvs2_coeff)
3784 				return -ENOMEM;
3785 		}
3786 
3787 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3788 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3789 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3790 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3791 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3792 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3793 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3794 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3795 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3796 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3797 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3798 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3799 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3800 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3801 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3802 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3803 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3804 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3805 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3806 			css_param->dvs2_coeff = NULL;
3807 			return -EFAULT;
3808 		}
3809 	}
3810 
3811 	css_param->update_flag.dvs2_coefs =
3812 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3813 	return 0;
3814 }
3815 
3816 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3817 				struct atomisp_dvs_6axis_config *source_6axis_config,
3818 				struct atomisp_css_params *css_param,
3819 				bool from_user)
3820 {
3821 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3822 	struct ia_css_dvs_6axis_config *old_6axis_config;
3823 	struct ia_css_stream *stream =
3824 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3825 	struct ia_css_dvs_grid_info *dvs_grid_info =
3826 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3827 	int ret = -EFAULT;
3828 
3829 	if (!stream) {
3830 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3831 		return -EINVAL;
3832 	}
3833 
3834 	if (!source_6axis_config || !dvs_grid_info)
3835 		return 0;
3836 
3837 	if (!dvs_grid_info->enable)
3838 		return 0;
3839 
3840 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3841 		return 0;
3842 
3843 	/* check whether need to reallocate for 6 axis config */
3844 	old_6axis_config = css_param->dvs_6axis;
3845 	dvs_6axis_config = old_6axis_config;
3846 
3847 	if (IS_ISP2401) {
3848 		struct ia_css_dvs_6axis_config t_6axis_config;
3849 
3850 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3851 					sizeof(struct atomisp_dvs_6axis_config),
3852 					from_user)) {
3853 			dev_err(asd->isp->dev, "copy morph table failed!");
3854 			return -EFAULT;
3855 		}
3856 
3857 		if (old_6axis_config &&
3858 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3859 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3860 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3861 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3862 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3863 			css_param->dvs_6axis = NULL;
3864 
3865 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3866 			if (!dvs_6axis_config)
3867 				return -ENOMEM;
3868 		} else if (!dvs_6axis_config) {
3869 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3870 			if (!dvs_6axis_config)
3871 				return -ENOMEM;
3872 		}
3873 
3874 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3875 
3876 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3877 					t_6axis_config.xcoords_y,
3878 					t_6axis_config.width_y *
3879 					t_6axis_config.height_y *
3880 					sizeof(*dvs_6axis_config->xcoords_y),
3881 					from_user))
3882 			goto error;
3883 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3884 					t_6axis_config.ycoords_y,
3885 					t_6axis_config.width_y *
3886 					t_6axis_config.height_y *
3887 					sizeof(*dvs_6axis_config->ycoords_y),
3888 					from_user))
3889 			goto error;
3890 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3891 					t_6axis_config.xcoords_uv,
3892 					t_6axis_config.width_uv *
3893 					t_6axis_config.height_uv *
3894 					sizeof(*dvs_6axis_config->xcoords_uv),
3895 					from_user))
3896 			goto error;
3897 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3898 					t_6axis_config.ycoords_uv,
3899 					t_6axis_config.width_uv *
3900 					t_6axis_config.height_uv *
3901 					sizeof(*dvs_6axis_config->ycoords_uv),
3902 					from_user))
3903 			goto error;
3904 	} else {
3905 		if (old_6axis_config &&
3906 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3907 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3908 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3909 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3910 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3911 			css_param->dvs_6axis = NULL;
3912 
3913 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3914 			if (!dvs_6axis_config)
3915 				return -ENOMEM;
3916 		} else if (!dvs_6axis_config) {
3917 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3918 			if (!dvs_6axis_config)
3919 				return -ENOMEM;
3920 		}
3921 
3922 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3923 
3924 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3925 					source_6axis_config->xcoords_y,
3926 					source_6axis_config->width_y *
3927 					source_6axis_config->height_y *
3928 					sizeof(*source_6axis_config->xcoords_y),
3929 					from_user))
3930 			goto error;
3931 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3932 					source_6axis_config->ycoords_y,
3933 					source_6axis_config->width_y *
3934 					source_6axis_config->height_y *
3935 					sizeof(*source_6axis_config->ycoords_y),
3936 					from_user))
3937 			goto error;
3938 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3939 					source_6axis_config->xcoords_uv,
3940 					source_6axis_config->width_uv *
3941 					source_6axis_config->height_uv *
3942 					sizeof(*source_6axis_config->xcoords_uv),
3943 					from_user))
3944 			goto error;
3945 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3946 					source_6axis_config->ycoords_uv,
3947 					source_6axis_config->width_uv *
3948 					source_6axis_config->height_uv *
3949 					sizeof(*source_6axis_config->ycoords_uv),
3950 					from_user))
3951 			goto error;
3952 	}
3953 	css_param->dvs_6axis = dvs_6axis_config;
3954 	css_param->update_flag.dvs_6axis_config =
3955 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3956 	return 0;
3957 
3958 error:
3959 	if (dvs_6axis_config)
3960 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3961 	return ret;
3962 }
3963 
3964 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3965 			   struct atomisp_morph_table *source_morph_table,
3966 			   struct atomisp_css_params *css_param,
3967 			   bool from_user)
3968 {
3969 	int ret = -EFAULT;
3970 	unsigned int i;
3971 	struct ia_css_morph_table *morph_table;
3972 	struct ia_css_morph_table *old_morph_table;
3973 
3974 	if (!source_morph_table)
3975 		return 0;
3976 
3977 	if (!from_user && css_param->update_flag.morph_table)
3978 		return 0;
3979 
3980 	old_morph_table = css_param->morph_table;
3981 
3982 	if (IS_ISP2401) {
3983 		struct ia_css_morph_table mtbl;
3984 
3985 		if (copy_from_compatible(&mtbl, source_morph_table,
3986 				sizeof(struct atomisp_morph_table),
3987 				from_user)) {
3988 			dev_err(asd->isp->dev, "copy morph table failed!");
3989 			return -EFAULT;
3990 		}
3991 
3992 		morph_table = atomisp_css_morph_table_allocate(
3993 				mtbl.width,
3994 				mtbl.height);
3995 		if (!morph_table)
3996 			return -ENOMEM;
3997 
3998 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
3999 			if (copy_from_compatible(morph_table->coordinates_x[i],
4000 						(__force void *)source_morph_table->coordinates_x[i],
4001 						mtbl.height * mtbl.width *
4002 						sizeof(*morph_table->coordinates_x[i]),
4003 						from_user))
4004 				goto error;
4005 
4006 			if (copy_from_compatible(morph_table->coordinates_y[i],
4007 						(__force void *)source_morph_table->coordinates_y[i],
4008 						mtbl.height * mtbl.width *
4009 						sizeof(*morph_table->coordinates_y[i]),
4010 						from_user))
4011 				goto error;
4012 		}
4013 	} else {
4014 		morph_table = atomisp_css_morph_table_allocate(
4015 				source_morph_table->width,
4016 				source_morph_table->height);
4017 		if (!morph_table)
4018 			return -ENOMEM;
4019 
4020 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4021 			if (copy_from_compatible(morph_table->coordinates_x[i],
4022 						(__force void *)source_morph_table->coordinates_x[i],
4023 						source_morph_table->height * source_morph_table->width *
4024 						sizeof(*source_morph_table->coordinates_x[i]),
4025 						from_user))
4026 				goto error;
4027 
4028 			if (copy_from_compatible(morph_table->coordinates_y[i],
4029 						(__force void *)source_morph_table->coordinates_y[i],
4030 						source_morph_table->height * source_morph_table->width *
4031 						sizeof(*source_morph_table->coordinates_y[i]),
4032 						from_user))
4033 				goto error;
4034 		}
4035 	}
4036 
4037 	css_param->morph_table = morph_table;
4038 	if (old_morph_table)
4039 		atomisp_css_morph_table_free(old_morph_table);
4040 	css_param->update_flag.morph_table =
4041 	    (struct atomisp_morph_table *)morph_table;
4042 	return 0;
4043 
4044 error:
4045 	if (morph_table)
4046 		atomisp_css_morph_table_free(morph_table);
4047 	return ret;
4048 }
4049 
4050 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4051 				  struct atomisp_parameters *arg,
4052 				  struct atomisp_css_params *css_param)
4053 {
4054 	int ret;
4055 
4056 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4057 	if (ret)
4058 		return ret;
4059 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4060 	if (ret)
4061 		return ret;
4062 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4063 	if (ret)
4064 		return ret;
4065 	ret = atomisp_css_cp_dvs2_coefs(asd,
4066 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4067 					css_param, false);
4068 	if (ret)
4069 		return ret;
4070 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4071 					  css_param, false);
4072 	return ret;
4073 }
4074 
4075 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4076 {
4077 	if (css_param->dvs_6axis) {
4078 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4079 		css_param->dvs_6axis = NULL;
4080 	}
4081 	if (css_param->dvs2_coeff) {
4082 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4083 		css_param->dvs2_coeff = NULL;
4084 	}
4085 	if (css_param->shading_table) {
4086 		ia_css_shading_table_free(css_param->shading_table);
4087 		css_param->shading_table = NULL;
4088 	}
4089 	if (css_param->morph_table) {
4090 		ia_css_morph_table_free(css_param->morph_table);
4091 		css_param->morph_table = NULL;
4092 	}
4093 }
4094 
4095 /*
4096  * Check parameter queue list and buffer queue list to find out if matched items
4097  * and then set parameter to CSS and enqueue buffer to CSS.
4098  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4099  * parameter, it will be enqueued into CSS as long as the per-frame setting
4100  * buffers before it get enqueued.
4101  */
4102 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4103 {
4104 	struct atomisp_sub_device *asd = pipe->asd;
4105 	struct videobuf_buffer *vb = NULL, *vb_tmp;
4106 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4107 	struct videobuf_vmalloc_memory *vm_mem = NULL;
4108 	unsigned long irqflags;
4109 	bool need_to_enqueue_buffer = false;
4110 
4111 	if (atomisp_is_vf_pipe(pipe))
4112 		return;
4113 
4114 	/*
4115 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
4116 	 * is streamon.
4117 	 */
4118 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4119 		return;
4120 
4121 	if (list_empty(&pipe->per_frame_params) ||
4122 	    list_empty(&pipe->buffers_waiting_for_param))
4123 		return;
4124 
4125 	list_for_each_entry_safe(vb, vb_tmp,
4126 				 &pipe->buffers_waiting_for_param, queue) {
4127 		if (pipe->frame_request_config_id[vb->i]) {
4128 			list_for_each_entry_safe(param, param_tmp,
4129 						 &pipe->per_frame_params, list) {
4130 				if (pipe->frame_request_config_id[vb->i] !=
4131 				    param->params.isp_config_id)
4132 					continue;
4133 
4134 				list_del(&param->list);
4135 				list_del(&vb->queue);
4136 				/*
4137 				 * clear the request config id as the buffer
4138 				 * will be handled and enqueued into CSS soon
4139 				 */
4140 				pipe->frame_request_config_id[vb->i] = 0;
4141 				pipe->frame_params[vb->i] = param;
4142 				vm_mem = vb->priv;
4143 				BUG_ON(!vm_mem);
4144 				break;
4145 			}
4146 
4147 			if (vm_mem) {
4148 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
4149 				list_add_tail(&vb->queue, &pipe->activeq);
4150 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4151 				vm_mem = NULL;
4152 				need_to_enqueue_buffer = true;
4153 			} else {
4154 				/* The is the end, stop further loop */
4155 				break;
4156 			}
4157 		} else {
4158 			list_del(&vb->queue);
4159 			pipe->frame_params[vb->i] = NULL;
4160 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
4161 			list_add_tail(&vb->queue, &pipe->activeq);
4162 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4163 			need_to_enqueue_buffer = true;
4164 		}
4165 	}
4166 
4167 	if (!need_to_enqueue_buffer)
4168 		return;
4169 
4170 	atomisp_qbuffers_to_css(asd);
4171 
4172 	if (!IS_ISP2401) {
4173 		if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4174 			atomisp_wdt_start(asd);
4175 	} else {
4176 		if (atomisp_buffers_queued_pipe(pipe)) {
4177 			if (!atomisp_is_wdt_running(pipe))
4178 				atomisp_wdt_start_pipe(pipe);
4179 			else
4180 				atomisp_wdt_refresh_pipe(pipe,
4181 							ATOMISP_WDT_KEEP_CURRENT_DELAY);
4182 		}
4183 	}
4184 }
4185 
4186 /*
4187 * Function to configure ISP parameters
4188 */
4189 int atomisp_set_parameters(struct video_device *vdev,
4190 			   struct atomisp_parameters *arg)
4191 {
4192 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4193 	struct atomisp_sub_device *asd = pipe->asd;
4194 	struct atomisp_css_params_with_list *param = NULL;
4195 	struct atomisp_css_params *css_param = &asd->params.css_param;
4196 	int ret;
4197 
4198 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4199 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4200 		return -EINVAL;
4201 	}
4202 
4203 	dev_dbg(asd->isp->dev,
4204 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4205 		__func__, arg->per_frame_setting, asd->index,
4206 		arg->isp_config_id, vdev->name);
4207 
4208 	if (IS_ISP2401) {
4209 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4210 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4211 				__func__);
4212 			return -EINVAL;
4213 		}
4214 	}
4215 
4216 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4217 		/*
4218 		 * Per-frame setting enabled, we allocate a new parameter
4219 		 * buffer to cache the parameters and only when frame buffers
4220 		 * are ready, the parameters will be set to CSS.
4221 		 * per-frame setting only works for the main output frame.
4222 		 */
4223 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
4224 		if (!param) {
4225 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4226 				__func__);
4227 			return -ENOMEM;
4228 		}
4229 		css_param = &param->params;
4230 	}
4231 
4232 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4233 	if (ret)
4234 		goto apply_parameter_failed;
4235 
4236 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4237 	if (ret)
4238 		goto apply_parameter_failed;
4239 
4240 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4241 	if (ret)
4242 		goto apply_parameter_failed;
4243 
4244 	ret = atomisp_css_cp_dvs2_coefs(asd,
4245 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4246 					css_param, true);
4247 	if (ret)
4248 		goto apply_parameter_failed;
4249 
4250 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4251 					  css_param, true);
4252 	if (ret)
4253 		goto apply_parameter_failed;
4254 
4255 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4256 		/* indicate to CSS that we have parameters to be updated */
4257 		asd->params.css_update_params_needed = true;
4258 	} else {
4259 		list_add_tail(&param->list, &pipe->per_frame_params);
4260 		atomisp_handle_parameter_and_buffer(pipe);
4261 	}
4262 
4263 	return 0;
4264 
4265 apply_parameter_failed:
4266 	if (css_param)
4267 		atomisp_free_css_parameters(css_param);
4268 	if (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 	if (tmp_buf)
4630 		vfree(tmp_buf);
4631 	if (ret == 0)
4632 		*result = res;
4633 	return ret;
4634 }
4635 
4636 /*
4637  * Function to configure fixed pattern noise table
4638  */
4639 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4640 				struct v4l2_framebuffer *arg)
4641 {
4642 	struct ia_css_frame *raw_black_frame = NULL;
4643 	int ret;
4644 
4645 	if (!arg)
4646 		return -EINVAL;
4647 
4648 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4649 	if (ret)
4650 		return ret;
4651 
4652 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4653 				   raw_black_frame) != 0)
4654 		return -ENOMEM;
4655 
4656 	ia_css_frame_free(raw_black_frame);
4657 	return ret;
4658 }
4659 
4660 /*
4661  * Function to configure false color correction
4662  */
4663 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4664 			__s32 *value)
4665 {
4666 	/* Get nr config from current setup */
4667 	if (flag == 0) {
4668 		*value = asd->params.false_color;
4669 		return 0;
4670 	}
4671 
4672 	/* Set nr config to isp parameters */
4673 	if (*value) {
4674 		asd->params.config.de_config = NULL;
4675 	} else {
4676 		asd->params.css_param.de_config.pixelnoise = 0;
4677 		asd->params.config.de_config = &asd->params.css_param.de_config;
4678 	}
4679 	asd->params.css_update_params_needed = true;
4680 	asd->params.false_color = *value;
4681 	return 0;
4682 }
4683 
4684 /*
4685  * Function to configure bad pixel correction params
4686  */
4687 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4688 			      struct atomisp_de_config *config)
4689 {
4690 	if (flag == 0) {
4691 		/* Get false color from current setup */
4692 		if (atomisp_css_get_de_config(asd, config))
4693 			return -EINVAL;
4694 	} else {
4695 		/* Set false color to isp parameters */
4696 		memcpy(&asd->params.css_param.de_config, config,
4697 		       sizeof(asd->params.css_param.de_config));
4698 		asd->params.config.de_config = &asd->params.css_param.de_config;
4699 		asd->params.css_update_params_needed = true;
4700 	}
4701 
4702 	return 0;
4703 }
4704 
4705 /*
4706  * Function to configure white balance params
4707  */
4708 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4709 				struct atomisp_wb_config *config)
4710 {
4711 	if (flag == 0) {
4712 		/* Get white balance from current setup */
4713 		if (atomisp_css_get_wb_config(asd, config))
4714 			return -EINVAL;
4715 	} else {
4716 		/* Set white balance to isp parameters */
4717 		memcpy(&asd->params.css_param.wb_config, config,
4718 		       sizeof(asd->params.css_param.wb_config));
4719 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4720 		asd->params.css_update_params_needed = true;
4721 	}
4722 
4723 	return 0;
4724 }
4725 
4726 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4727 			    struct atomisp_3a_config *config)
4728 {
4729 	struct atomisp_device *isp = asd->isp;
4730 
4731 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4732 
4733 	if (flag == 0) {
4734 		/* Get white balance from current setup */
4735 		if (atomisp_css_get_3a_config(asd, config))
4736 			return -EINVAL;
4737 	} else {
4738 		/* Set white balance to isp parameters */
4739 		memcpy(&asd->params.css_param.s3a_config, config,
4740 		       sizeof(asd->params.css_param.s3a_config));
4741 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4742 		asd->params.css_update_params_needed = true;
4743 	}
4744 
4745 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4746 	return 0;
4747 }
4748 
4749 /*
4750  * Function to setup digital zoom
4751  */
4752 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4753 			 __s32 *value)
4754 {
4755 	u32 zoom;
4756 	struct atomisp_device *isp = asd->isp;
4757 
4758 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4759 
4760 	if (flag == 0) {
4761 		atomisp_css_get_zoom_factor(asd, &zoom);
4762 		*value = max_zoom - zoom;
4763 	} else {
4764 		if (*value < 0)
4765 			return -EINVAL;
4766 
4767 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4768 		atomisp_css_set_zoom_factor(asd, zoom);
4769 
4770 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4771 		asd->params.css_update_params_needed = true;
4772 	}
4773 
4774 	return 0;
4775 }
4776 
4777 /*
4778  * Function to get sensor specific info for current resolution,
4779  * which will be used for auto exposure conversion.
4780  */
4781 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4782 				 struct atomisp_sensor_mode_data *config)
4783 {
4784 	struct camera_mipi_info *mipi_info;
4785 	struct atomisp_device *isp = asd->isp;
4786 
4787 	mipi_info = atomisp_to_sensor_mipi_info(
4788 			isp->inputs[asd->input_curr].camera);
4789 	if (!mipi_info)
4790 		return -EINVAL;
4791 
4792 	memcpy(config, &mipi_info->data, sizeof(*config));
4793 	return 0;
4794 }
4795 
4796 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4797 {
4798 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4799 
4800 	f->fmt.pix = pipe->pix;
4801 
4802 	return 0;
4803 }
4804 
4805 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4806 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4807 {
4808 	int i;
4809 
4810 	/* assign virtual channel id return from sensor driver query */
4811 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4812 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4813 	for (i = 0; i < stream_info->isys_configs; i++) {
4814 		asd->stream_env[stream_index].isys_info[i].input_format =
4815 		    stream_info->isys_info[i].input_format;
4816 		asd->stream_env[stream_index].isys_info[i].width =
4817 		    stream_info->isys_info[i].width;
4818 		asd->stream_env[stream_index].isys_info[i].height =
4819 		    stream_info->isys_info[i].height;
4820 	}
4821 }
4822 
4823 static void __atomisp_init_stream_info(u16 stream_index,
4824 				       struct atomisp_input_stream_info *stream_info)
4825 {
4826 	int i;
4827 
4828 	stream_info->enable = 1;
4829 	stream_info->stream = stream_index;
4830 	stream_info->ch_id = 0;
4831 	stream_info->isys_configs = 0;
4832 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4833 		stream_info->isys_info[i].input_format = 0;
4834 		stream_info->isys_info[i].width = 0;
4835 		stream_info->isys_info[i].height = 0;
4836 	}
4837 }
4838 
4839 /* This function looks up the closest available resolution. */
4840 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_format *f,
4841 		    bool *res_overflow)
4842 {
4843 	struct atomisp_device *isp = video_get_drvdata(vdev);
4844 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4845 	struct v4l2_subdev_pad_config pad_cfg;
4846 	struct v4l2_subdev_format format = {
4847 		.which = V4L2_SUBDEV_FORMAT_TRY,
4848 	};
4849 
4850 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4851 	const struct atomisp_format_bridge *fmt;
4852 	struct atomisp_input_stream_info *stream_info =
4853 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4854 	u16 stream_index;
4855 	int source_pad = atomisp_subdev_source_pad(vdev);
4856 	int ret;
4857 
4858 	if (!isp->inputs[asd->input_curr].camera)
4859 		return -EINVAL;
4860 
4861 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4862 	fmt = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
4863 	if (!fmt) {
4864 		dev_err(isp->dev, "unsupported pixelformat!\n");
4865 		fmt = atomisp_output_fmts;
4866 	}
4867 
4868 	if (f->fmt.pix.width <= 0 || f->fmt.pix.height <= 0)
4869 		return -EINVAL;
4870 
4871 	snr_mbus_fmt->code = fmt->mbus_code;
4872 	snr_mbus_fmt->width = f->fmt.pix.width;
4873 	snr_mbus_fmt->height = f->fmt.pix.height;
4874 
4875 	__atomisp_init_stream_info(stream_index, stream_info);
4876 
4877 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4878 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4879 
4880 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4881 			       pad, set_fmt, &pad_cfg, &format);
4882 	if (ret)
4883 		return ret;
4884 
4885 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4886 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4887 
4888 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4889 	if (!fmt) {
4890 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4891 			snr_mbus_fmt->code);
4892 		return -EINVAL;
4893 	}
4894 
4895 	f->fmt.pix.pixelformat = fmt->pixelformat;
4896 
4897 	/*
4898 	 * If the format is jpeg or custom RAW, then the width and height will
4899 	 * not satisfy the normal atomisp requirements and no need to check
4900 	 * the below conditions. So just assign to what is being returned from
4901 	 * the sensor driver.
4902 	 */
4903 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
4904 	    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4905 		f->fmt.pix.width = snr_mbus_fmt->width;
4906 		f->fmt.pix.height = snr_mbus_fmt->height;
4907 		return 0;
4908 	}
4909 
4910 	if (snr_mbus_fmt->width < f->fmt.pix.width
4911 	    && snr_mbus_fmt->height < f->fmt.pix.height) {
4912 		f->fmt.pix.width = snr_mbus_fmt->width;
4913 		f->fmt.pix.height = snr_mbus_fmt->height;
4914 		/* Set the flag when resolution requested is
4915 		 * beyond the max value supported by sensor
4916 		 */
4917 		if (res_overflow)
4918 			*res_overflow = true;
4919 	}
4920 
4921 	/* app vs isp */
4922 	f->fmt.pix.width = rounddown(
4923 			       clamp_t(u32, f->fmt.pix.width, ATOM_ISP_MIN_WIDTH,
4924 				       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4925 	f->fmt.pix.height = rounddown(
4926 				clamp_t(u32, f->fmt.pix.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.pad,
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.pad,
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_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->fmt.pix.width &&
5478 	     sink->height == f->fmt.pix.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_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_format vformat = {
5500 		.which = V4L2_SUBDEV_FORMAT_TRY,
5501 	};
5502 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5503 	struct v4l2_mbus_framefmt *req_ffmt;
5504 	struct atomisp_device *isp = asd->isp;
5505 	struct atomisp_input_stream_info *stream_info =
5506 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5507 	u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5508 	int source_pad = atomisp_subdev_source_pad(vdev);
5509 	struct v4l2_subdev_fh fh;
5510 	int ret;
5511 
5512 	v4l2_fh_init(&fh.vfh, vdev);
5513 
5514 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5515 
5516 	format = atomisp_get_format_bridge(pixelformat);
5517 	if (!format)
5518 		return -EINVAL;
5519 
5520 	v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format->mbus_code);
5521 	ffmt->height += padding_h + dvs_env_h;
5522 	ffmt->width += padding_w + dvs_env_w;
5523 
5524 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5525 		ffmt->width, ffmt->height, padding_w, padding_h,
5526 		dvs_env_w, dvs_env_h);
5527 
5528 	__atomisp_init_stream_info(stream_index, stream_info);
5529 
5530 	req_ffmt = ffmt;
5531 
5532 	/* Disable dvs if resolution can't be supported by sensor */
5533 	if (asd->params.video_dis_en &&
5534 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5535 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5536 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5537 				       pad, set_fmt, &pad_cfg, &vformat);
5538 		if (ret)
5539 			return ret;
5540 		if (ffmt->width < req_ffmt->width ||
5541 		    ffmt->height < req_ffmt->height) {
5542 			req_ffmt->height -= dvs_env_h;
5543 			req_ffmt->width -= dvs_env_w;
5544 			ffmt = req_ffmt;
5545 			dev_warn(isp->dev,
5546 				 "can not enable video dis due to sensor limitation.");
5547 			asd->params.video_dis_en = false;
5548 		}
5549 	}
5550 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5551 		ffmt->width, ffmt->height);
5552 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5553 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5554 			       set_fmt, NULL, &vformat);
5555 	if (ret)
5556 		return ret;
5557 
5558 	__atomisp_update_stream_env(asd, stream_index, stream_info);
5559 
5560 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5561 		ffmt->width, ffmt->height);
5562 
5563 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5564 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5565 		return -EINVAL;
5566 
5567 	if (asd->params.video_dis_en &&
5568 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5569 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5570 		dev_warn(isp->dev,
5571 			 "can not enable video dis due to sensor limitation.");
5572 		asd->params.video_dis_en = false;
5573 	}
5574 
5575 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5576 				V4L2_SUBDEV_FORMAT_ACTIVE,
5577 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5578 
5579 	return css_input_resolution_changed(asd, ffmt);
5580 }
5581 
5582 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5583 {
5584 	struct atomisp_device *isp = video_get_drvdata(vdev);
5585 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5586 	struct atomisp_sub_device *asd = pipe->asd;
5587 	const struct atomisp_format_bridge *format_bridge;
5588 	const struct atomisp_format_bridge *snr_format_bridge;
5589 	struct ia_css_frame_info output_info, raw_output_info;
5590 	struct v4l2_format snr_fmt = *f;
5591 	struct v4l2_format backup_fmt = *f, s_fmt = *f;
5592 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5593 	unsigned int padding_w = pad_w, padding_h = pad_h;
5594 	bool res_overflow = false, crop_needs_override = false;
5595 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5596 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5597 	struct v4l2_rect isp_sink_crop;
5598 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5599 	struct v4l2_subdev_fh fh;
5600 	int ret;
5601 
5602 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5603 		return -EINVAL;
5604 
5605 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5606 		dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5607 		return -EBUSY;
5608 	}
5609 
5610 	dev_dbg(isp->dev,
5611 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5612 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5613 		asd->index, f->fmt.pix.bytesperline);
5614 
5615 	v4l2_fh_init(&fh.vfh, vdev);
5616 
5617 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5618 	if (!format_bridge)
5619 		return -EINVAL;
5620 
5621 	pipe->sh_fmt = format_bridge->sh_fmt;
5622 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5623 
5624 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5625 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5626 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5627 		if (asd->fmt_auto->val) {
5628 			struct v4l2_rect *capture_comp;
5629 			struct v4l2_rect r = {0};
5630 
5631 			r.width = f->fmt.pix.width;
5632 			r.height = f->fmt.pix.height;
5633 
5634 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5635 				capture_comp = atomisp_subdev_get_rect(
5636 						   &asd->subdev, NULL,
5637 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5638 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5639 						   V4L2_SEL_TGT_COMPOSE);
5640 			else
5641 				capture_comp = atomisp_subdev_get_rect(
5642 						   &asd->subdev, NULL,
5643 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5644 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5645 						   V4L2_SEL_TGT_COMPOSE);
5646 
5647 			if (capture_comp->width < r.width
5648 			    || capture_comp->height < r.height) {
5649 				r.width = capture_comp->width;
5650 				r.height = capture_comp->height;
5651 			}
5652 
5653 			atomisp_subdev_set_selection(
5654 			    &asd->subdev, fh.pad,
5655 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5656 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5657 
5658 			f->fmt.pix.width = r.width;
5659 			f->fmt.pix.height = r.height;
5660 		}
5661 
5662 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5663 		    (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5664 		    (asd->isp->inputs[asd->input_curr].camera_caps->
5665 		     sensor[asd->sensor_curr].stream_num > 1)) {
5666 			/* For M10MO outputing YUV preview images. */
5667 			u16 video_index =
5668 			    atomisp_source_pad_to_stream_id(asd,
5669 							    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5670 
5671 			ret = atomisp_css_copy_get_output_frame_info(asd,
5672 				video_index, &output_info);
5673 			if (ret) {
5674 				dev_err(isp->dev,
5675 					"copy_get_output_frame_info ret %i", ret);
5676 				return -EINVAL;
5677 			}
5678 			if (!asd->yuvpp_mode) {
5679 				/*
5680 				 * If viewfinder was configured into copy_mode,
5681 				 * we switch to using yuvpp pipe instead.
5682 				 */
5683 				asd->yuvpp_mode = true;
5684 				ret = atomisp_css_copy_configure_output(
5685 					  asd, video_index, 0, 0, 0, 0);
5686 				if (ret) {
5687 					dev_err(isp->dev,
5688 						"failed to disable copy pipe");
5689 					return -EINVAL;
5690 				}
5691 				ret = atomisp_css_yuvpp_configure_output(
5692 					  asd, video_index,
5693 					  output_info.res.width,
5694 					  output_info.res.height,
5695 					  output_info.padded_width,
5696 					  output_info.format);
5697 				if (ret) {
5698 					dev_err(isp->dev,
5699 						"failed to set up yuvpp pipe\n");
5700 					return -EINVAL;
5701 				}
5702 				atomisp_css_video_enable_online(asd, false);
5703 				atomisp_css_preview_enable_online(asd,
5704 								  ATOMISP_INPUT_STREAM_GENERAL, false);
5705 			}
5706 			atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5707 							       f->fmt.pix.width, f->fmt.pix.height,
5708 							       format_bridge->planar ? f->fmt.pix.bytesperline
5709 							       : f->fmt.pix.bytesperline * 8
5710 							       / format_bridge->depth, format_bridge->sh_fmt);
5711 			atomisp_css_yuvpp_get_viewfinder_frame_info(
5712 			    asd, video_index, &output_info);
5713 		} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5714 			atomisp_css_video_configure_viewfinder(asd,
5715 							       f->fmt.pix.width, f->fmt.pix.height,
5716 							       format_bridge->planar ? f->fmt.pix.bytesperline
5717 							       : f->fmt.pix.bytesperline * 8
5718 							       / format_bridge->depth,	format_bridge->sh_fmt);
5719 			atomisp_css_video_get_viewfinder_frame_info(asd,
5720 				&output_info);
5721 			asd->copy_mode = false;
5722 		} else {
5723 			atomisp_css_capture_configure_viewfinder(asd,
5724 				f->fmt.pix.width, f->fmt.pix.height,
5725 				format_bridge->planar ? f->fmt.pix.bytesperline
5726 				: f->fmt.pix.bytesperline * 8
5727 				/ format_bridge->depth,	format_bridge->sh_fmt);
5728 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5729 				&output_info);
5730 			asd->copy_mode = false;
5731 		}
5732 
5733 		goto done;
5734 	}
5735 	/*
5736 	 * Check whether main resolution configured smaller
5737 	 * than snapshot resolution. If so, force main resolution
5738 	 * to be the same as snapshot resolution
5739 	 */
5740 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5741 		struct v4l2_rect *r;
5742 
5743 		r = atomisp_subdev_get_rect(
5744 			&asd->subdev, NULL,
5745 			V4L2_SUBDEV_FORMAT_ACTIVE,
5746 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5747 
5748 		if (r->width && r->height
5749 		    && (r->width > f->fmt.pix.width
5750 			|| r->height > f->fmt.pix.height))
5751 			dev_warn(isp->dev,
5752 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5753 	}
5754 
5755 	/* Pipeline configuration done through subdevs. Bail out now. */
5756 	if (!asd->fmt_auto->val)
5757 		goto set_fmt_to_isp;
5758 
5759 	/* get sensor resolution and format */
5760 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5761 	if (ret) {
5762 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5763 		return ret;
5764 	}
5765 	f->fmt.pix.width = snr_fmt.fmt.pix.width;
5766 	f->fmt.pix.height = snr_fmt.fmt.pix.height;
5767 
5768 	snr_format_bridge =
5769 	    atomisp_get_format_bridge(snr_fmt.fmt.pix.pixelformat);
5770 	if (!snr_format_bridge) {
5771 		dev_warn(isp->dev, "Can't find bridge format\n");
5772 		return -EINVAL;
5773 	}
5774 
5775 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5776 				V4L2_SUBDEV_FORMAT_ACTIVE,
5777 				ATOMISP_SUBDEV_PAD_SINK)->code =
5778 				    snr_format_bridge->mbus_code;
5779 
5780 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5781 						V4L2_SUBDEV_FORMAT_ACTIVE,
5782 						ATOMISP_SUBDEV_PAD_SINK);
5783 
5784 	isp_source_fmt.code = format_bridge->mbus_code;
5785 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5786 				V4L2_SUBDEV_FORMAT_ACTIVE,
5787 				source_pad, &isp_source_fmt);
5788 
5789 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5790 		padding_w = 0;
5791 		padding_h = 0;
5792 	} else if (IS_BYT) {
5793 		padding_w = 12;
5794 		padding_h = 12;
5795 	}
5796 
5797 	/* construct resolution supported by isp */
5798 	if (res_overflow && !asd->continuous_mode->val) {
5799 		f->fmt.pix.width = rounddown(
5800 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5801 					       ATOM_ISP_MIN_WIDTH,
5802 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5803 		f->fmt.pix.height = rounddown(
5804 					clamp_t(u32, f->fmt.pix.height - padding_h,
5805 						ATOM_ISP_MIN_HEIGHT,
5806 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5807 	}
5808 
5809 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5810 				&dvs_env_w, &dvs_env_h);
5811 
5812 	if (asd->continuous_mode->val) {
5813 		struct v4l2_rect *r;
5814 
5815 		r = atomisp_subdev_get_rect(
5816 			&asd->subdev, NULL,
5817 			V4L2_SUBDEV_FORMAT_ACTIVE,
5818 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5819 			V4L2_SEL_TGT_COMPOSE);
5820 		/*
5821 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5822 		 * properly set otherwise, it should not be the capture_pad.
5823 		 */
5824 		if (r->width && r->height)
5825 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5826 		else
5827 			asd->capture_pad = source_pad;
5828 	} else {
5829 		asd->capture_pad = source_pad;
5830 	}
5831 	/*
5832 	 * set format info to sensor
5833 	 * In continuous mode, resolution is set only if it is higher than
5834 	 * existing value. This because preview pipe will be configured after
5835 	 * capture pipe and usually has lower resolution than capture pipe.
5836 	 */
5837 	if (!asd->continuous_mode->val ||
5838 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5839 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5840 				    dvs_env_h)) {
5841 		/*
5842 		 * For jpeg or custom raw format the sensor will return constant
5843 		 * width and height. Because we already had quried try_mbus_fmt,
5844 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5845 		 * this fixed width and height. So we cannot select the correct
5846 		 * resolution with that information. So use the original width
5847 		 * and height while set_mbus_fmt() so actual resolutions are
5848 		 * being used in while set media bus format.
5849 		 */
5850 		s_fmt = *f;
5851 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5852 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5853 			s_fmt.fmt.pix.width = backup_fmt.fmt.pix.width;
5854 			s_fmt.fmt.pix.height = backup_fmt.fmt.pix.height;
5855 		}
5856 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5857 					     f->fmt.pix.pixelformat, padding_w,
5858 					     padding_h, dvs_env_w, dvs_env_h);
5859 		if (ret) {
5860 			dev_warn(isp->dev,
5861 				 "Set format to sensor failed with %d\n", ret);
5862 			return -EINVAL;
5863 		}
5864 
5865 		atomisp_csi_lane_config(isp);
5866 		crop_needs_override = true;
5867 	}
5868 
5869 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5870 	asd->yuvpp_mode = false;			/* Reset variable */
5871 
5872 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5873 			V4L2_SUBDEV_FORMAT_ACTIVE,
5874 			ATOMISP_SUBDEV_PAD_SINK,
5875 			V4L2_SEL_TGT_CROP);
5876 
5877 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5878 	 * width or height) bigger than the desired result. */
5879 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5880 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5881 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5882 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5883 	       !asd->continuous_mode->val) ||
5884 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5885 		/* for continuous mode, preview size might be smaller than
5886 		 * still capture size. if preview size still needs crop,
5887 		 * pick the larger one between crop size of preview and
5888 		 * still capture.
5889 		 */
5890 		if (asd->continuous_mode->val
5891 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5892 		    && !crop_needs_override) {
5893 			isp_sink_crop.width =
5894 			    max_t(unsigned int, f->fmt.pix.width,
5895 				  isp_sink_crop.width);
5896 			isp_sink_crop.height =
5897 			    max_t(unsigned int, f->fmt.pix.height,
5898 				  isp_sink_crop.height);
5899 		} else {
5900 			isp_sink_crop.width = f->fmt.pix.width;
5901 			isp_sink_crop.height = f->fmt.pix.height;
5902 		}
5903 
5904 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5905 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5906 					     ATOMISP_SUBDEV_PAD_SINK,
5907 					     V4L2_SEL_TGT_CROP,
5908 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5909 					     &isp_sink_crop);
5910 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5911 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5912 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5913 					     0, &isp_sink_crop);
5914 	} else if (IS_MOFD) {
5915 		struct v4l2_rect main_compose = {0};
5916 
5917 		main_compose.width = isp_sink_crop.width;
5918 		main_compose.height =
5919 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5920 				 f->fmt.pix.width);
5921 		if (main_compose.height > isp_sink_crop.height) {
5922 			main_compose.height = isp_sink_crop.height;
5923 			main_compose.width =
5924 			    DIV_ROUND_UP(main_compose.height *
5925 					 f->fmt.pix.width,
5926 					 f->fmt.pix.height);
5927 		}
5928 
5929 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5930 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5931 					     source_pad,
5932 					     V4L2_SEL_TGT_COMPOSE, 0,
5933 					     &main_compose);
5934 	} else {
5935 		struct v4l2_rect sink_crop = {0};
5936 		struct v4l2_rect main_compose = {0};
5937 
5938 		main_compose.width = f->fmt.pix.width;
5939 		main_compose.height = f->fmt.pix.height;
5940 
5941 		/* WORKAROUND: this override is universally enabled in
5942 		 * GMIN to work around a CTS failures (GMINL-539)
5943 		 * which appears to be related by a hardware
5944 		 * performance limitation.  It's unclear why this
5945 		 * particular code triggers the issue. */
5946 		if (!IS_ISP2401 || crop_needs_override) {
5947 			if (isp_sink_crop.width * main_compose.height >
5948 			    isp_sink_crop.height * main_compose.width) {
5949 				sink_crop.height = isp_sink_crop.height;
5950 				sink_crop.width = DIV_NEAREST_STEP(
5951 						      sink_crop.height *
5952 						      f->fmt.pix.width,
5953 						      f->fmt.pix.height,
5954 						      ATOM_ISP_STEP_WIDTH);
5955 			} else {
5956 				sink_crop.width = isp_sink_crop.width;
5957 				sink_crop.height = DIV_NEAREST_STEP(
5958 						       sink_crop.width *
5959 						       f->fmt.pix.height,
5960 						       f->fmt.pix.width,
5961 						       ATOM_ISP_STEP_HEIGHT);
5962 			}
5963 			atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5964 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5965 						     ATOMISP_SUBDEV_PAD_SINK,
5966 						     V4L2_SEL_TGT_CROP,
5967 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5968 						     &sink_crop);
5969 		}
5970 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5971 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5972 					     source_pad,
5973 					     V4L2_SEL_TGT_COMPOSE, 0,
5974 					     &main_compose);
5975 	}
5976 
5977 set_fmt_to_isp:
5978 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
5979 				     &f->fmt.pix, source_pad);
5980 	if (ret) {
5981 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
5982 		return -EINVAL;
5983 	}
5984 done:
5985 	pipe->pix.width = f->fmt.pix.width;
5986 	pipe->pix.height = f->fmt.pix.height;
5987 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5988 	if (format_bridge->planar) {
5989 		pipe->pix.bytesperline = output_info.padded_width;
5990 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
5991 						 DIV_ROUND_UP(format_bridge->depth *
5992 							 output_info.padded_width, 8));
5993 	} else {
5994 		pipe->pix.bytesperline =
5995 		    DIV_ROUND_UP(format_bridge->depth *
5996 				 output_info.padded_width, 8);
5997 		pipe->pix.sizeimage =
5998 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
5999 	}
6000 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6001 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6002 
6003 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
6004 		f->fmt.pix.field = V4L2_FIELD_NONE;
6005 	pipe->pix.field = f->fmt.pix.field;
6006 
6007 	f->fmt.pix = pipe->pix;
6008 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6009 				     pipe->pix.height * 2);
6010 
6011 	pipe->capq.field = f->fmt.pix.field;
6012 
6013 	/*
6014 	 * If in video 480P case, no GFX throttle
6015 	 */
6016 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6017 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6018 		isp->need_gfx_throttle = false;
6019 	else
6020 		isp->need_gfx_throttle = true;
6021 
6022 	return 0;
6023 }
6024 
6025 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6026 {
6027 	struct atomisp_device *isp = video_get_drvdata(vdev);
6028 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6029 	struct atomisp_sub_device *asd = pipe->asd;
6030 	struct v4l2_mbus_framefmt ffmt = {0};
6031 	const struct atomisp_format_bridge *format_bridge;
6032 	struct v4l2_subdev_fh fh;
6033 	int ret;
6034 
6035 	v4l2_fh_init(&fh.vfh, vdev);
6036 
6037 	dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6038 		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6039 	ret = atomisp_try_fmt_file(isp, f);
6040 	if (ret) {
6041 		dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6042 		return ret;
6043 	}
6044 
6045 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6046 	if (!format_bridge) {
6047 		dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6048 			f->fmt.pix.pixelformat);
6049 		return -EINVAL;
6050 	}
6051 
6052 	pipe->pix = f->fmt.pix;
6053 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6054 	atomisp_css_input_configure_port(asd,
6055 					 __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6056 					 0, 0, 0, 0);
6057 	ffmt.width = f->fmt.pix.width;
6058 	ffmt.height = f->fmt.pix.height;
6059 	ffmt.code = format_bridge->mbus_code;
6060 
6061 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad, V4L2_SUBDEV_FORMAT_ACTIVE,
6062 				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6063 
6064 	return 0;
6065 }
6066 
6067 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6068 			      struct atomisp_shading_table *user_shading_table)
6069 {
6070 	struct ia_css_shading_table *shading_table;
6071 	struct ia_css_shading_table *free_table;
6072 	unsigned int len_table;
6073 	int i;
6074 	int ret = 0;
6075 
6076 	if (!user_shading_table)
6077 		return -EINVAL;
6078 
6079 	if (!user_shading_table->enable) {
6080 		asd->params.config.shading_table = NULL;
6081 		asd->params.sc_en = false;
6082 		return 0;
6083 	}
6084 
6085 	/* If enabling, all tables must be set */
6086 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6087 		if (!user_shading_table->data[i])
6088 			return -EINVAL;
6089 	}
6090 
6091 	/* Shading table size per color */
6092 	if (!IS_ISP2401) {
6093 		if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6094 		    user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6095 			return -EINVAL;
6096 	} else {
6097 		if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6098 		    user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6099 			return -EINVAL;
6100 	}
6101 
6102 	shading_table = atomisp_css_shading_table_alloc(
6103 			    user_shading_table->width, user_shading_table->height);
6104 	if (!shading_table)
6105 		return -ENOMEM;
6106 
6107 	len_table = user_shading_table->width * user_shading_table->height *
6108 		    ATOMISP_SC_TYPE_SIZE;
6109 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6110 		ret = copy_from_user(shading_table->data[i],
6111 				     (void __user *)user_shading_table->data[i],
6112 				     len_table);
6113 		if (ret) {
6114 			free_table = shading_table;
6115 			ret = -EFAULT;
6116 			goto out;
6117 		}
6118 	}
6119 	shading_table->sensor_width = user_shading_table->sensor_width;
6120 	shading_table->sensor_height = user_shading_table->sensor_height;
6121 	shading_table->fraction_bits = user_shading_table->fraction_bits;
6122 
6123 	free_table = asd->params.css_param.shading_table;
6124 	asd->params.css_param.shading_table = shading_table;
6125 	asd->params.config.shading_table = shading_table;
6126 	asd->params.sc_en = true;
6127 
6128 out:
6129 	if (free_table)
6130 		atomisp_css_shading_table_free(free_table);
6131 
6132 	return ret;
6133 }
6134 
6135 /*Turn off ISP dphy */
6136 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6137 {
6138 	struct pci_dev *pdev = to_pci_dev(isp->dev);
6139 	unsigned long flags;
6140 	u32 reg;
6141 
6142 	dev_dbg(isp->dev, "%s\n", __func__);
6143 
6144 	/* if ISP timeout, we can force powerdown */
6145 	if (isp->isp_timeout)
6146 		goto done;
6147 
6148 	if (!atomisp_dev_users(isp))
6149 		goto done;
6150 
6151 	spin_lock_irqsave(&isp->lock, flags);
6152 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6153 	spin_unlock_irqrestore(&isp->lock, flags);
6154 done:
6155 	/*
6156 	 * MRFLD IUNIT DPHY is located in an always-power-on island
6157 	 * MRFLD HW design need all CSI ports are disabled before
6158 	 * powering down the IUNIT.
6159 	 */
6160 	pci_read_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6161 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6162 	pci_write_config_dword(pdev, MRFLD_PCI_CSI_CONTROL, reg);
6163 	return 0;
6164 }
6165 
6166 /*Turn on ISP dphy */
6167 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6168 {
6169 	unsigned long flags;
6170 
6171 	dev_dbg(isp->dev, "%s\n", __func__);
6172 
6173 	spin_lock_irqsave(&isp->lock, flags);
6174 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6175 	spin_unlock_irqrestore(&isp->lock, flags);
6176 
6177 	return 0;
6178 }
6179 
6180 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6181 			   struct atomisp_makernote_info *config)
6182 {
6183 	struct v4l2_control ctrl;
6184 	struct atomisp_device *isp = asd->isp;
6185 
6186 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6187 	if (v4l2_g_ctrl
6188 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6189 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6190 		return -EINVAL;
6191 	} else {
6192 		config->focal_length = ctrl.value;
6193 	}
6194 
6195 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6196 	if (v4l2_g_ctrl
6197 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6198 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6199 		return -EINVAL;
6200 	} else {
6201 		config->f_number_curr = ctrl.value;
6202 	}
6203 
6204 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
6205 	if (v4l2_g_ctrl
6206 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6207 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6208 		return -EINVAL;
6209 	} else {
6210 		config->f_number_range = ctrl.value;
6211 	}
6212 
6213 	return 0;
6214 }
6215 
6216 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6217 				      struct atomisp_cont_capture_conf *cvf_config)
6218 {
6219 	struct v4l2_ctrl *c;
6220 
6221 	/*
6222 	* In case of M10MO ZSL capture case, we need to issue a separate
6223 	* capture request to M10MO which will output captured jpeg image
6224 	*/
6225 	c = v4l2_ctrl_find(
6226 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6227 		V4L2_CID_START_ZSL_CAPTURE);
6228 	if (c) {
6229 		int ret;
6230 
6231 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6232 			__func__);
6233 		/* TODO: use the cvf_config */
6234 		ret = v4l2_ctrl_s_ctrl(c, 1);
6235 		if (ret)
6236 			return ret;
6237 
6238 		return v4l2_ctrl_s_ctrl(c, 0);
6239 	}
6240 
6241 	asd->params.offline_parm = *cvf_config;
6242 
6243 	if (asd->params.offline_parm.num_captures) {
6244 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6245 			unsigned int init_raw_num;
6246 
6247 			if (asd->enable_raw_buffer_lock->val) {
6248 				init_raw_num =
6249 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6250 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6251 				    asd->params.video_dis_en)
6252 					init_raw_num +=
6253 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6254 			} else {
6255 				init_raw_num =
6256 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6257 			}
6258 
6259 			/* TODO: this can be removed once user-space
6260 			 *       has been updated to use control API */
6261 			asd->continuous_raw_buffer_size->val =
6262 			    max_t(int,
6263 				  asd->continuous_raw_buffer_size->val,
6264 				  asd->params.offline_parm.
6265 				  num_captures + init_raw_num);
6266 			asd->continuous_raw_buffer_size->val =
6267 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
6268 				  asd->continuous_raw_buffer_size->val);
6269 		}
6270 		asd->continuous_mode->val = true;
6271 	} else {
6272 		asd->continuous_mode->val = false;
6273 		__enable_continuous_mode(asd, false);
6274 	}
6275 
6276 	return 0;
6277 }
6278 
6279 /*
6280  * set auto exposure metering window to camera sensor
6281  */
6282 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6283 			struct atomisp_ae_window *arg)
6284 {
6285 	struct atomisp_device *isp = asd->isp;
6286 	/* Coverity CID 298071 - initialzize struct */
6287 	struct v4l2_subdev_selection sel = { 0 };
6288 
6289 	sel.r.left = arg->x_left;
6290 	sel.r.top = arg->y_top;
6291 	sel.r.width = arg->x_right - arg->x_left + 1;
6292 	sel.r.height = arg->y_bottom - arg->y_top + 1;
6293 
6294 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6295 			     pad, set_selection, NULL, &sel)) {
6296 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
6297 		return -EINVAL;
6298 	}
6299 
6300 	return 0;
6301 }
6302 
6303 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6304 {
6305 	struct atomisp_device *isp = asd->isp;
6306 
6307 	if (num_frames < 0) {
6308 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6309 			num_frames);
6310 		return -EINVAL;
6311 	}
6312 	/* a requested flash is still in progress. */
6313 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6314 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6315 			__func__, asd->params.flash_state,
6316 			asd->params.num_flash_frames);
6317 		return -EBUSY;
6318 	}
6319 
6320 	asd->params.num_flash_frames = num_frames;
6321 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6322 	return 0;
6323 }
6324 
6325 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6326 				    uint16_t source_pad)
6327 {
6328 	int stream_id;
6329 	struct atomisp_device *isp = asd->isp;
6330 
6331 	if (isp->inputs[asd->input_curr].camera_caps->
6332 	    sensor[asd->sensor_curr].stream_num == 1)
6333 		return ATOMISP_INPUT_STREAM_GENERAL;
6334 
6335 	switch (source_pad) {
6336 	case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6337 		stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6338 		break;
6339 	case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6340 		stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6341 		break;
6342 	case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6343 		stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6344 		break;
6345 	case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6346 		stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6347 		break;
6348 	default:
6349 		stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6350 	}
6351 
6352 	return stream_id;
6353 }
6354 
6355 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6356 {
6357 	struct atomisp_sub_device *asd = pipe->asd;
6358 
6359 	if (pipe == &asd->video_out_vf)
6360 		return true;
6361 
6362 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6363 	    pipe == &asd->video_out_preview)
6364 		return true;
6365 
6366 	return false;
6367 }
6368 
6369 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6370 {
6371 	struct atomisp_device *isp = asd->isp;
6372 
6373 	if (!asd->enable_raw_buffer_lock->val) {
6374 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6375 		return -EINVAL;
6376 	}
6377 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6378 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6379 			__func__, exp_id, asd->streaming);
6380 		return -EINVAL;
6381 	}
6382 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6383 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6384 		return -EINVAL;
6385 	}
6386 	return 0;
6387 }
6388 
6389 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6390 {
6391 	unsigned long flags;
6392 
6393 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6394 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6395 	asd->raw_buffer_locked_count = 0;
6396 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6397 }
6398 
6399 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6400 {
6401 	int *bitmap, bit;
6402 	unsigned long flags;
6403 
6404 	if (__checking_exp_id(asd, exp_id))
6405 		return -EINVAL;
6406 
6407 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6408 	bit = exp_id % 32;
6409 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6410 	(*bitmap) |= (1 << bit);
6411 	asd->raw_buffer_locked_count++;
6412 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6413 
6414 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6415 		__func__, exp_id, asd->raw_buffer_locked_count);
6416 
6417 	/* Check if the raw buffer after next is still locked!!! */
6418 	exp_id += 2;
6419 	if (exp_id > ATOMISP_MAX_EXP_ID)
6420 		exp_id -= ATOMISP_MAX_EXP_ID;
6421 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6422 	bit = exp_id % 32;
6423 	if ((*bitmap) & (1 << bit)) {
6424 		int ret;
6425 
6426 		/* WORKAROUND unlock the raw buffer compulsively */
6427 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
6428 		if (ret) {
6429 			dev_err(asd->isp->dev,
6430 				"%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6431 				__func__, exp_id, ret);
6432 			return ret;
6433 		}
6434 
6435 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6436 		(*bitmap) &= ~(1 << bit);
6437 		asd->raw_buffer_locked_count--;
6438 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6439 		dev_warn(asd->isp->dev,
6440 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6441 			 __func__, exp_id, asd->raw_buffer_locked_count);
6442 	}
6443 	return 0;
6444 }
6445 
6446 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6447 {
6448 	int *bitmap, bit;
6449 	unsigned long flags;
6450 	int ret;
6451 
6452 	if (__checking_exp_id(asd, exp_id))
6453 		return -EINVAL;
6454 
6455 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6456 	bit = exp_id % 32;
6457 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6458 	ret = ((*bitmap) & (1 << bit));
6459 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6460 	return !ret;
6461 }
6462 
6463 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6464 {
6465 	int *bitmap, bit;
6466 	unsigned long flags;
6467 
6468 	if (__is_raw_buffer_locked(asd, exp_id))
6469 		return -EINVAL;
6470 
6471 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6472 	bit = exp_id % 32;
6473 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6474 	(*bitmap) &= ~(1 << bit);
6475 	asd->raw_buffer_locked_count--;
6476 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6477 
6478 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6479 		__func__, exp_id, asd->raw_buffer_locked_count);
6480 	return 0;
6481 }
6482 
6483 int atomisp_exp_id_capture(struct atomisp_sub_device *asd, int *exp_id)
6484 {
6485 	struct atomisp_device *isp = asd->isp;
6486 	int value = *exp_id;
6487 	int ret;
6488 
6489 	ret = __is_raw_buffer_locked(asd, value);
6490 	if (ret) {
6491 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6492 		return -EINVAL;
6493 	}
6494 
6495 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6496 	ret = atomisp_css_exp_id_capture(asd, value);
6497 	if (ret) {
6498 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6499 		return -EIO;
6500 	}
6501 	return 0;
6502 }
6503 
6504 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6505 {
6506 	struct atomisp_device *isp = asd->isp;
6507 	int value = *exp_id;
6508 	int ret;
6509 
6510 	ret = __clear_raw_buffer_bitmap(asd, value);
6511 	if (ret) {
6512 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6513 		return -EINVAL;
6514 	}
6515 
6516 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6517 	ret = atomisp_css_exp_id_unlock(asd, value);
6518 	if (ret)
6519 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6520 			__func__, value, ret);
6521 
6522 	return ret;
6523 }
6524 
6525 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6526 				unsigned int *enable)
6527 {
6528 	bool value;
6529 
6530 	if (!enable)
6531 		return -EINVAL;
6532 
6533 	value = *enable > 0;
6534 
6535 	atomisp_en_dz_capt_pipe(asd, value);
6536 
6537 	return 0;
6538 }
6539 
6540 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6541 {
6542 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6543 		return -EINVAL;
6544 
6545 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6546 		__func__, *event);
6547 
6548 	switch (*event) {
6549 	case V4L2_EVENT_FRAME_SYNC:
6550 		atomisp_sof_event(asd);
6551 		break;
6552 	case V4L2_EVENT_FRAME_END:
6553 		atomisp_eof_event(asd, 0);
6554 		break;
6555 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6556 		atomisp_3a_stats_ready_event(asd, 0);
6557 		break;
6558 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6559 		atomisp_metadata_ready_event(asd, 0);
6560 		break;
6561 	default:
6562 		return -EINVAL;
6563 	}
6564 
6565 	return 0;
6566 }
6567 
6568 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6569 {
6570 	struct atomisp_sub_device *asd = pipe->asd;
6571 
6572 	if (ATOMISP_USE_YUVPP(asd))
6573 		return IA_CSS_PIPE_ID_YUVPP;
6574 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
6575 		return IA_CSS_PIPE_ID_VIDEO;
6576 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
6577 		return IA_CSS_PIPE_ID_CAPTURE;
6578 	else if (pipe == &asd->video_out_video_capture)
6579 		return IA_CSS_PIPE_ID_VIDEO;
6580 	else if (pipe == &asd->video_out_vf)
6581 		return IA_CSS_PIPE_ID_CAPTURE;
6582 	else if (pipe == &asd->video_out_preview) {
6583 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6584 			return IA_CSS_PIPE_ID_VIDEO;
6585 		else
6586 			return IA_CSS_PIPE_ID_PREVIEW;
6587 	} else if (pipe == &asd->video_out_capture) {
6588 		if (asd->copy_mode)
6589 			return IA_CSS_PIPE_ID_COPY;
6590 		else
6591 			return IA_CSS_PIPE_ID_CAPTURE;
6592 	}
6593 
6594 	/* fail through */
6595 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6596 		 __func__);
6597 	return IA_CSS_PIPE_ID_CAPTURE;
6598 }
6599 
6600 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6601 				  int *invalid_frame_num)
6602 {
6603 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6604 	struct atomisp_sub_device *asd = pipe->asd;
6605 	enum ia_css_pipe_id pipe_id;
6606 	struct ia_css_pipe_info p_info;
6607 	int ret;
6608 
6609 	if (asd->isp->inputs[asd->input_curr].camera_caps->
6610 	    sensor[asd->sensor_curr].stream_num > 1) {
6611 		/* External ISP */
6612 		*invalid_frame_num = 0;
6613 		return 0;
6614 	}
6615 
6616 	pipe_id = atomisp_get_pipe_id(pipe);
6617 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6618 		dev_warn(asd->isp->dev,
6619 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6620 			 __func__, pipe_id);
6621 		return -EINVAL;
6622 	}
6623 
6624 	ret = ia_css_pipe_get_info(
6625 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6626 		  .pipes[pipe_id], &p_info);
6627 	if (!ret) {
6628 		*invalid_frame_num = p_info.num_invalid_frames;
6629 		return 0;
6630 	} else {
6631 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6632 			 __func__, ret);
6633 		return -EINVAL;
6634 	}
6635 }
6636