1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  *
7  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License version
11  * 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  *
19  */
20 #include <linux/errno.h>
21 #include <linux/firmware.h>
22 #include <linux/pci.h>
23 #include <linux/interrupt.h>
24 #include <linux/kernel.h>
25 #include <linux/kfifo.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/timer.h>
28 
29 #include <asm/iosf_mbi.h>
30 
31 #include <media/v4l2-event.h>
32 #include <media/videobuf-vmalloc.h>
33 
34 #define CREATE_TRACE_POINTS
35 #include "atomisp_trace_event.h"
36 
37 #include "atomisp_cmd.h"
38 #include "atomisp_common.h"
39 #include "atomisp_fops.h"
40 #include "atomisp_internal.h"
41 #include "atomisp_ioctl.h"
42 #include "atomisp-regs.h"
43 #include "atomisp_tables.h"
44 #include "atomisp_acc.h"
45 #include "atomisp_compat.h"
46 #include "atomisp_subdev.h"
47 #include "atomisp_dfs_tables.h"
48 
49 #include <hmm/hmm.h>
50 
51 #include "sh_css_hrt.h"
52 #include "sh_css_defs.h"
53 #include "system_global.h"
54 #include "sh_css_internal.h"
55 #include "sh_css_sp.h"
56 #include "gp_device.h"
57 #include "device_access.h"
58 #include "irq.h"
59 
60 #include "ia_css_types.h"
61 #include "ia_css_stream.h"
62 #include "ia_css_debug.h"
63 #include "bits.h"
64 
65 /* We should never need to run the flash for more than 2 frames.
66  * At 15fps this means 133ms. We set the timeout a bit longer.
67  * Each flash driver is supposed to set its own timeout, but
68  * just in case someone else changed the timeout, we set it
69  * here to make sure we don't damage the flash hardware. */
70 #define FLASH_TIMEOUT 800 /* ms */
71 
72 union host {
73 	struct {
74 		void *kernel_ptr;
75 		void __user *user_ptr;
76 		int size;
77 	} scalar;
78 	struct {
79 		void *hmm_ptr;
80 	} ptr;
81 };
82 
83 /*
84  * get sensor:dis71430/ov2720 related info from v4l2_subdev->priv data field.
85  * subdev->priv is set in mrst.c
86  */
87 struct camera_mipi_info *atomisp_to_sensor_mipi_info(struct v4l2_subdev *sd)
88 {
89 	return (struct camera_mipi_info *)v4l2_get_subdev_hostdata(sd);
90 }
91 
92 /*
93  * get struct atomisp_video_pipe from v4l2 video_device
94  */
95 struct atomisp_video_pipe *atomisp_to_video_pipe(struct video_device *dev)
96 {
97 	return (struct atomisp_video_pipe *)
98 	       container_of(dev, struct atomisp_video_pipe, vdev);
99 }
100 
101 /*
102  * get struct atomisp_acc_pipe from v4l2 video_device
103  */
104 struct atomisp_acc_pipe *atomisp_to_acc_pipe(struct video_device *dev)
105 {
106 	return (struct atomisp_acc_pipe *)
107 	       container_of(dev, struct atomisp_acc_pipe, vdev);
108 }
109 
110 static unsigned short atomisp_get_sensor_fps(struct atomisp_sub_device *asd)
111 {
112 	struct v4l2_subdev_frame_interval fi;
113 	struct atomisp_device *isp = asd->isp;
114 
115 	unsigned short fps = 0;
116 	int ret;
117 
118 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
119 			       video, g_frame_interval, &fi);
120 
121 	if (!ret && fi.interval.numerator)
122 		fps = fi.interval.denominator / fi.interval.numerator;
123 
124 	return fps;
125 }
126 
127 /*
128  * DFS progress is shown as follows:
129  * 1. Target frequency is calculated according to FPS/Resolution/ISP running
130  *    mode.
131  * 2. Ratio is calculated using formula: 2 * HPLL / target frequency - 1
132  *    with proper rounding.
133  * 3. Set ratio to ISPFREQ40, 1 to FREQVALID and ISPFREQGUAR40
134  *    to 200MHz in ISPSSPM1.
135  * 4. Wait for FREQVALID to be cleared by P-Unit.
136  * 5. Wait for field ISPFREQSTAT40 in ISPSSPM1 turn to ratio set in 3.
137  */
138 static int write_target_freq_to_hw(struct atomisp_device *isp,
139 				   unsigned int new_freq)
140 {
141 	unsigned int ratio, timeout, guar_ratio;
142 	u32 isp_sspm1 = 0;
143 	int i;
144 
145 	if (!isp->hpll_freq) {
146 		dev_err(isp->dev, "failed to get hpll_freq. no change to freq\n");
147 		return -EINVAL;
148 	}
149 
150 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
151 	if (isp_sspm1 & ISP_FREQ_VALID_MASK) {
152 		dev_dbg(isp->dev, "clearing ISPSSPM1 valid bit.\n");
153 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
154 			       isp_sspm1 & ~(1 << ISP_FREQ_VALID_OFFSET));
155 	}
156 
157 	ratio = (2 * isp->hpll_freq + new_freq / 2) / new_freq - 1;
158 	guar_ratio = (2 * isp->hpll_freq + 200 / 2) / 200 - 1;
159 
160 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
161 	isp_sspm1 &= ~(0x1F << ISP_REQ_FREQ_OFFSET);
162 
163 	for (i = 0; i < ISP_DFS_TRY_TIMES; i++) {
164 		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, ISPSSPM1,
165 			       isp_sspm1
166 			       | ratio << ISP_REQ_FREQ_OFFSET
167 			       | 1 << ISP_FREQ_VALID_OFFSET
168 			       | guar_ratio << ISP_REQ_GUAR_FREQ_OFFSET);
169 
170 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
171 		timeout = 20;
172 		while ((isp_sspm1 & ISP_FREQ_VALID_MASK) && timeout) {
173 			iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
174 			dev_dbg(isp->dev, "waiting for ISPSSPM1 valid bit to be 0.\n");
175 			udelay(100);
176 			timeout--;
177 		}
178 
179 		if (timeout != 0)
180 			break;
181 	}
182 
183 	if (timeout == 0) {
184 		dev_err(isp->dev, "DFS failed due to HW error.\n");
185 		return -EINVAL;
186 	}
187 
188 	iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
189 	timeout = 10;
190 	while (((isp_sspm1 >> ISP_FREQ_STAT_OFFSET) != ratio) && timeout) {
191 		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM1, &isp_sspm1);
192 		dev_dbg(isp->dev, "waiting for ISPSSPM1 status bit to be 0x%x.\n",
193 			new_freq);
194 		udelay(100);
195 		timeout--;
196 	}
197 	if (timeout == 0) {
198 		dev_err(isp->dev, "DFS target freq is rejected by HW.\n");
199 		return -EINVAL;
200 	}
201 
202 	return 0;
203 }
204 
205 int atomisp_freq_scaling(struct atomisp_device *isp,
206 			 enum atomisp_dfs_mode mode,
207 			 bool force)
208 {
209 	/* FIXME! Only use subdev[0] status yet */
210 	struct atomisp_sub_device *asd = &isp->asd[0];
211 	const struct atomisp_dfs_config *dfs;
212 	unsigned int new_freq;
213 	struct atomisp_freq_scaling_rule curr_rules;
214 	int i, ret;
215 	unsigned short fps = 0;
216 
217 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP) {
218 		dev_err(isp->dev, "DFS cannot proceed due to no power.\n");
219 		return -EINVAL;
220 	}
221 
222 	if ((isp->pdev->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
223 	    ATOMISP_PCI_DEVICE_SOC_CHT && ATOMISP_USE_YUVPP(asd))
224 		isp->dfs = &dfs_config_cht_soc;
225 
226 	dfs = isp->dfs;
227 
228 	if (dfs->lowest_freq == 0 || dfs->max_freq_at_vmin == 0 ||
229 	    dfs->highest_freq == 0 || dfs->dfs_table_size == 0 ||
230 	    !dfs->dfs_table) {
231 		dev_err(isp->dev, "DFS configuration is invalid.\n");
232 		return -EINVAL;
233 	}
234 
235 	if (mode == ATOMISP_DFS_MODE_LOW) {
236 		new_freq = dfs->lowest_freq;
237 		goto done;
238 	}
239 
240 	if (mode == ATOMISP_DFS_MODE_MAX) {
241 		new_freq = dfs->highest_freq;
242 		goto done;
243 	}
244 
245 	fps = atomisp_get_sensor_fps(asd);
246 	if (fps == 0) {
247 		dev_info(isp->dev,
248 			 "Sensor didn't report FPS. Using DFS max mode.\n");
249 		new_freq = dfs->highest_freq;
250 		goto done;
251 	}
252 
253 	curr_rules.width = asd->fmt[asd->capture_pad].fmt.width;
254 	curr_rules.height = asd->fmt[asd->capture_pad].fmt.height;
255 	curr_rules.fps = fps;
256 	curr_rules.run_mode = asd->run_mode->val;
257 	/*
258 	 * For continuous mode, we need to make the capture setting applied
259 	 * since preview mode, because there is no chance to do this when
260 	 * starting image capture.
261 	 */
262 	if (asd->continuous_mode->val) {
263 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
264 			curr_rules.run_mode = ATOMISP_RUN_MODE_SDV;
265 		else
266 			curr_rules.run_mode =
267 			    ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE;
268 	}
269 
270 	/* search for the target frequency by looping freq rules*/
271 	for (i = 0; i < dfs->dfs_table_size; i++) {
272 		if (curr_rules.width != dfs->dfs_table[i].width &&
273 		    dfs->dfs_table[i].width != ISP_FREQ_RULE_ANY)
274 			continue;
275 		if (curr_rules.height != dfs->dfs_table[i].height &&
276 		    dfs->dfs_table[i].height != ISP_FREQ_RULE_ANY)
277 			continue;
278 		if (curr_rules.fps != dfs->dfs_table[i].fps &&
279 		    dfs->dfs_table[i].fps != ISP_FREQ_RULE_ANY)
280 			continue;
281 		if (curr_rules.run_mode != dfs->dfs_table[i].run_mode &&
282 		    dfs->dfs_table[i].run_mode != ISP_FREQ_RULE_ANY)
283 			continue;
284 		break;
285 	}
286 
287 	if (i == dfs->dfs_table_size)
288 		new_freq = dfs->max_freq_at_vmin;
289 	else
290 		new_freq = dfs->dfs_table[i].isp_freq;
291 
292 done:
293 	dev_dbg(isp->dev, "DFS target frequency=%d.\n", new_freq);
294 
295 	if ((new_freq == isp->sw_contex.running_freq) && !force)
296 		return 0;
297 
298 	dev_dbg(isp->dev, "Programming DFS frequency to %d\n", new_freq);
299 
300 	ret = write_target_freq_to_hw(isp, new_freq);
301 	if (!ret) {
302 		isp->sw_contex.running_freq = new_freq;
303 		trace_ipu_pstate(new_freq, -1);
304 	}
305 	return ret;
306 }
307 
308 /*
309  * reset and restore ISP
310  */
311 int atomisp_reset(struct atomisp_device *isp)
312 {
313 	/* Reset ISP by power-cycling it */
314 	int ret = 0;
315 
316 	dev_dbg(isp->dev, "%s\n", __func__);
317 	atomisp_css_suspend(isp);
318 	ret = atomisp_runtime_suspend(isp->dev);
319 	if (ret < 0)
320 		dev_err(isp->dev, "atomisp_runtime_suspend failed, %d\n", ret);
321 	ret = atomisp_mrfld_power_down(isp);
322 	if (ret < 0) {
323 		dev_err(isp->dev, "can not disable ISP power\n");
324 	} else {
325 		ret = atomisp_mrfld_power_up(isp);
326 		if (ret < 0)
327 			dev_err(isp->dev, "can not enable ISP power\n");
328 		ret = atomisp_runtime_resume(isp->dev);
329 		if (ret < 0)
330 			dev_err(isp->dev, "atomisp_runtime_resume failed, %d\n", ret);
331 	}
332 	ret = atomisp_css_resume(isp);
333 	if (ret)
334 		isp->isp_fatal_error = true;
335 
336 	return ret;
337 }
338 
339 /*
340  * interrupt disable functions
341  */
342 static void disable_isp_irq(enum hrt_isp_css_irq irq)
343 {
344 	irq_disable_channel(IRQ0_ID, irq);
345 
346 	if (irq != hrt_isp_css_irq_sp)
347 		return;
348 
349 	cnd_sp_irq_enable(SP0_ID, false);
350 }
351 
352 /*
353  * interrupt clean function
354  */
355 static void clear_isp_irq(enum hrt_isp_css_irq irq)
356 {
357 	irq_clear_all(IRQ0_ID);
358 }
359 
360 void atomisp_msi_irq_init(struct atomisp_device *isp, struct pci_dev *dev)
361 {
362 	u32 msg32;
363 	u16 msg16;
364 
365 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
366 	msg32 |= 1 << MSI_ENABLE_BIT;
367 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
368 
369 	msg32 = (1 << INTR_IER) | (1 << INTR_IIR);
370 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
371 
372 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
373 	msg16 |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
374 		  PCI_COMMAND_INTX_DISABLE);
375 	pci_write_config_word(dev, PCI_COMMAND, msg16);
376 }
377 
378 void atomisp_msi_irq_uninit(struct atomisp_device *isp, struct pci_dev *dev)
379 {
380 	u32 msg32;
381 	u16 msg16;
382 
383 	pci_read_config_dword(dev, PCI_MSI_CAPID, &msg32);
384 	msg32 &=  ~(1 << MSI_ENABLE_BIT);
385 	pci_write_config_dword(dev, PCI_MSI_CAPID, msg32);
386 
387 	msg32 = 0x0;
388 	pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, msg32);
389 
390 	pci_read_config_word(dev, PCI_COMMAND, &msg16);
391 	msg16 &= ~(PCI_COMMAND_MASTER);
392 	pci_write_config_word(dev, PCI_COMMAND, msg16);
393 }
394 
395 static void atomisp_sof_event(struct atomisp_sub_device *asd)
396 {
397 	struct v4l2_event event = {0};
398 
399 	event.type = V4L2_EVENT_FRAME_SYNC;
400 	event.u.frame_sync.frame_sequence = atomic_read(&asd->sof_count);
401 
402 	v4l2_event_queue(asd->subdev.devnode, &event);
403 }
404 
405 void atomisp_eof_event(struct atomisp_sub_device *asd, uint8_t exp_id)
406 {
407 	struct v4l2_event event = {0};
408 
409 	event.type = V4L2_EVENT_FRAME_END;
410 	event.u.frame_sync.frame_sequence = exp_id;
411 
412 	v4l2_event_queue(asd->subdev.devnode, &event);
413 }
414 
415 static void atomisp_3a_stats_ready_event(struct atomisp_sub_device *asd,
416 	uint8_t exp_id)
417 {
418 	struct v4l2_event event = {0};
419 
420 	event.type = V4L2_EVENT_ATOMISP_3A_STATS_READY;
421 	event.u.frame_sync.frame_sequence = exp_id;
422 
423 	v4l2_event_queue(asd->subdev.devnode, &event);
424 }
425 
426 static void atomisp_metadata_ready_event(struct atomisp_sub_device *asd,
427 	enum atomisp_metadata_type md_type)
428 {
429 	struct v4l2_event event = {0};
430 
431 	event.type = V4L2_EVENT_ATOMISP_METADATA_READY;
432 	event.u.data[0] = md_type;
433 
434 	v4l2_event_queue(asd->subdev.devnode, &event);
435 }
436 
437 static void atomisp_reset_event(struct atomisp_sub_device *asd)
438 {
439 	struct v4l2_event event = {0};
440 
441 	event.type = V4L2_EVENT_ATOMISP_CSS_RESET;
442 
443 	v4l2_event_queue(asd->subdev.devnode, &event);
444 }
445 
446 static void print_csi_rx_errors(enum mipi_port_id port,
447 				struct atomisp_device *isp)
448 {
449 	u32 infos = 0;
450 
451 	atomisp_css_rx_get_irq_info(port, &infos);
452 
453 	dev_err(isp->dev, "CSI Receiver port %d errors:\n", port);
454 	if (infos & IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN)
455 		dev_err(isp->dev, "  buffer overrun");
456 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT)
457 		dev_err(isp->dev, "  start-of-transmission error");
458 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC)
459 		dev_err(isp->dev, "  start-of-transmission sync error");
460 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CONTROL)
461 		dev_err(isp->dev, "  control error");
462 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE)
463 		dev_err(isp->dev, "  2 or more ECC errors");
464 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_CRC)
465 		dev_err(isp->dev, "  CRC mismatch");
466 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID)
467 		dev_err(isp->dev, "  unknown error");
468 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC)
469 		dev_err(isp->dev, "  frame sync error");
470 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA)
471 		dev_err(isp->dev, "  frame data error");
472 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT)
473 		dev_err(isp->dev, "  data timeout");
474 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC)
475 		dev_err(isp->dev, "  unknown escape command entry");
476 	if (infos & IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC)
477 		dev_err(isp->dev, "  line sync error");
478 }
479 
480 /* Clear irq reg */
481 static void clear_irq_reg(struct atomisp_device *isp)
482 {
483 	u32 msg_ret;
484 
485 	pci_read_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, &msg_ret);
486 	msg_ret |= 1 << INTR_IIR;
487 	pci_write_config_dword(isp->pdev, PCI_INTERRUPT_CTRL, msg_ret);
488 }
489 
490 static struct atomisp_sub_device *
491 __get_asd_from_port(struct atomisp_device *isp, enum mipi_port_id port)
492 {
493 	int i;
494 
495 	/* Check which isp subdev to send eof */
496 	for (i = 0; i < isp->num_of_streams; i++) {
497 		struct atomisp_sub_device *asd = &isp->asd[i];
498 		struct camera_mipi_info *mipi_info;
499 
500 		mipi_info = atomisp_to_sensor_mipi_info(
501 				isp->inputs[asd->input_curr].camera);
502 
503 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED &&
504 		    __get_mipi_port(isp, mipi_info->port) == port) {
505 			return asd;
506 		}
507 	}
508 
509 	return NULL;
510 }
511 
512 /* interrupt handling function*/
513 irqreturn_t atomisp_isr(int irq, void *dev)
514 {
515 	struct atomisp_device *isp = (struct atomisp_device *)dev;
516 	struct atomisp_sub_device *asd;
517 	struct atomisp_css_event eof_event;
518 	unsigned int irq_infos = 0;
519 	unsigned long flags;
520 	unsigned int i;
521 	int err;
522 
523 	spin_lock_irqsave(&isp->lock, flags);
524 	if (isp->sw_contex.power_state != ATOM_ISP_POWER_UP ||
525 	    !isp->css_initialized) {
526 		spin_unlock_irqrestore(&isp->lock, flags);
527 		return IRQ_HANDLED;
528 	}
529 	err = atomisp_css_irq_translate(isp, &irq_infos);
530 	if (err) {
531 		spin_unlock_irqrestore(&isp->lock, flags);
532 		return IRQ_NONE;
533 	}
534 
535 	clear_irq_reg(isp);
536 
537 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp))
538 		goto out_nowake;
539 
540 	for (i = 0; i < isp->num_of_streams; i++) {
541 		asd = &isp->asd[i];
542 
543 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
544 			continue;
545 		/*
546 		 * Current SOF only support one stream, so the SOF only valid
547 		 * either solely one stream is running
548 		 */
549 		if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
550 			atomic_inc(&asd->sof_count);
551 			atomisp_sof_event(asd);
552 
553 			/* If sequence_temp and sequence are the same
554 			 * there where no frames lost so we can increase
555 			 * sequence_temp.
556 			 * If not then processing of frame is still in progress
557 			 * and driver needs to keep old sequence_temp value.
558 			 * NOTE: There is assumption here that ISP will not
559 			 * start processing next frame from sensor before old
560 			 * one is completely done. */
561 			if (atomic_read(&asd->sequence) == atomic_read(
562 				&asd->sequence_temp))
563 				atomic_set(&asd->sequence_temp,
564 					   atomic_read(&asd->sof_count));
565 		}
566 		if (irq_infos & IA_CSS_IRQ_INFO_EVENTS_READY)
567 			atomic_set(&asd->sequence,
568 				   atomic_read(&asd->sequence_temp));
569 	}
570 
571 	if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
572 		dev_dbg_ratelimited(isp->dev,
573 				    "irq:0x%x (SOF)\n",
574 				    irq_infos);
575 		irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
576 	}
577 
578 	if ((irq_infos & IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR) ||
579 	    (irq_infos & IA_CSS_IRQ_INFO_IF_ERROR)) {
580 		/* handle mipi receiver error */
581 		u32 rx_infos;
582 		enum mipi_port_id port;
583 
584 		for (port = MIPI_PORT0_ID; port <= MIPI_PORT2_ID;
585 		     port++) {
586 			print_csi_rx_errors(port, isp);
587 			atomisp_css_rx_get_irq_info(port, &rx_infos);
588 			atomisp_css_rx_clear_irq_info(port, rx_infos);
589 		}
590 	}
591 
592 	if (irq_infos & IA_CSS_IRQ_INFO_ISYS_EVENTS_READY) {
593 		while (ia_css_dequeue_isys_event(&eof_event.event) ==
594 		       0) {
595 			/* EOF Event does not have the css_pipe returned */
596 			asd = __get_asd_from_port(isp, eof_event.event.port);
597 			if (!asd) {
598 				dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
599 					__func__, eof_event.event.type);
600 				continue;
601 			}
602 
603 			atomisp_eof_event(asd, eof_event.event.exp_id);
604 			dev_dbg_ratelimited(isp->dev,
605 					    "%s ISYS event: EOF exp_id %d, asd %d\n",
606 					    __func__, eof_event.event.exp_id,
607 					    asd->index);
608 		}
609 
610 		irq_infos &= ~IA_CSS_IRQ_INFO_ISYS_EVENTS_READY;
611 		if (irq_infos == 0)
612 			goto out_nowake;
613 	}
614 
615 	spin_unlock_irqrestore(&isp->lock, flags);
616 
617 	dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
618 
619 	return IRQ_WAKE_THREAD;
620 
621 out_nowake:
622 	spin_unlock_irqrestore(&isp->lock, flags);
623 
624 	if (irq_infos)
625 		dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
626 				    irq_infos);
627 
628 	return IRQ_HANDLED;
629 }
630 
631 void atomisp_clear_css_buffer_counters(struct atomisp_sub_device *asd)
632 {
633 	int i;
634 
635 	memset(asd->s3a_bufs_in_css, 0, sizeof(asd->s3a_bufs_in_css));
636 	for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++)
637 		memset(asd->metadata_bufs_in_css[i], 0,
638 		       sizeof(asd->metadata_bufs_in_css[i]));
639 	asd->dis_bufs_in_css = 0;
640 	asd->video_out_capture.buffers_in_css = 0;
641 	asd->video_out_vf.buffers_in_css = 0;
642 	asd->video_out_preview.buffers_in_css = 0;
643 	asd->video_out_video_capture.buffers_in_css = 0;
644 }
645 
646 /* ISP2400 */
647 bool atomisp_buffers_queued(struct atomisp_sub_device *asd)
648 {
649 	return asd->video_out_capture.buffers_in_css ||
650 	       asd->video_out_vf.buffers_in_css ||
651 	       asd->video_out_preview.buffers_in_css ||
652 	       asd->video_out_video_capture.buffers_in_css ?
653 	       true : false;
654 }
655 
656 /* ISP2401 */
657 bool atomisp_buffers_queued_pipe(struct atomisp_video_pipe *pipe)
658 {
659 	return pipe->buffers_in_css ? true : false;
660 }
661 
662 /* 0x100000 is the start of dmem inside SP */
663 #define SP_DMEM_BASE	0x100000
664 
665 void dump_sp_dmem(struct atomisp_device *isp, unsigned int addr,
666 		  unsigned int size)
667 {
668 	unsigned int data = 0;
669 	unsigned int size32 = DIV_ROUND_UP(size, sizeof(u32));
670 
671 	dev_dbg(isp->dev, "atomisp_io_base:%p\n", atomisp_io_base);
672 	dev_dbg(isp->dev, "%s, addr:0x%x, size: %d, size32: %d\n", __func__,
673 		addr, size, size32);
674 	if (size32 * 4 + addr > 0x4000) {
675 		dev_err(isp->dev, "illegal size (%d) or addr (0x%x)\n",
676 			size32, addr);
677 		return;
678 	}
679 	addr += SP_DMEM_BASE;
680 	do {
681 		data = _hrt_master_port_uload_32(addr);
682 
683 		dev_dbg(isp->dev, "%s, \t [0x%x]:0x%x\n", __func__, addr, data);
684 		addr += sizeof(unsigned int);
685 		size32 -= 1;
686 	} while (size32 > 0);
687 }
688 
689 static struct videobuf_buffer *atomisp_css_frame_to_vbuf(
690     struct atomisp_video_pipe *pipe, struct ia_css_frame *frame)
691 {
692 	struct videobuf_vmalloc_memory *vm_mem;
693 	struct ia_css_frame *handle;
694 	int i;
695 
696 	for (i = 0; pipe->capq.bufs[i]; i++) {
697 		vm_mem = pipe->capq.bufs[i]->priv;
698 		handle = vm_mem->vaddr;
699 		if (handle && handle->data == frame->data)
700 			return pipe->capq.bufs[i];
701 	}
702 
703 	return NULL;
704 }
705 
706 static void atomisp_flush_video_pipe(struct atomisp_sub_device *asd,
707 				     struct atomisp_video_pipe *pipe)
708 {
709 	unsigned long irqflags;
710 	int i;
711 
712 	if (!pipe->users)
713 		return;
714 
715 	for (i = 0; pipe->capq.bufs[i]; i++) {
716 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
717 		if (pipe->capq.bufs[i]->state == VIDEOBUF_ACTIVE ||
718 		    pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED) {
719 			pipe->capq.bufs[i]->ts = ktime_get_ns();
720 			pipe->capq.bufs[i]->field_count =
721 			    atomic_read(&asd->sequence) << 1;
722 			dev_dbg(asd->isp->dev, "release buffers on device %s\n",
723 				pipe->vdev.name);
724 			if (pipe->capq.bufs[i]->state == VIDEOBUF_QUEUED)
725 				list_del_init(&pipe->capq.bufs[i]->queue);
726 			pipe->capq.bufs[i]->state = VIDEOBUF_ERROR;
727 			wake_up(&pipe->capq.bufs[i]->done);
728 		}
729 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
730 	}
731 }
732 
733 /* Returns queued buffers back to video-core */
734 void atomisp_flush_bufs_and_wakeup(struct atomisp_sub_device *asd)
735 {
736 	atomisp_flush_video_pipe(asd, &asd->video_out_capture);
737 	atomisp_flush_video_pipe(asd, &asd->video_out_vf);
738 	atomisp_flush_video_pipe(asd, &asd->video_out_preview);
739 	atomisp_flush_video_pipe(asd, &asd->video_out_video_capture);
740 }
741 
742 /* clean out the parameters that did not apply */
743 void atomisp_flush_params_queue(struct atomisp_video_pipe *pipe)
744 {
745 	struct atomisp_css_params_with_list *param;
746 
747 	while (!list_empty(&pipe->per_frame_params)) {
748 		param = list_entry(pipe->per_frame_params.next,
749 				   struct atomisp_css_params_with_list, list);
750 		list_del(&param->list);
751 		atomisp_free_css_parameters(&param->params);
752 		kvfree(param);
753 	}
754 }
755 
756 /* Re-queue per-frame parameters */
757 static void atomisp_recover_params_queue(struct atomisp_video_pipe *pipe)
758 {
759 	struct atomisp_css_params_with_list *param;
760 	int i;
761 
762 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
763 		param = pipe->frame_params[i];
764 		if (param)
765 			list_add_tail(&param->list, &pipe->per_frame_params);
766 		pipe->frame_params[i] = NULL;
767 	}
768 	atomisp_handle_parameter_and_buffer(pipe);
769 }
770 
771 /* find atomisp_video_pipe with css pipe id, buffer type and atomisp run_mode */
772 static struct atomisp_video_pipe *__atomisp_get_pipe(
773     struct atomisp_sub_device *asd,
774     enum atomisp_input_stream_id stream_id,
775     enum ia_css_pipe_id css_pipe_id,
776     enum ia_css_buffer_type buf_type)
777 {
778 	struct atomisp_device *isp = asd->isp;
779 
780 	if (css_pipe_id == IA_CSS_PIPE_ID_COPY &&
781 	    isp->inputs[asd->input_curr].camera_caps->
782 	    sensor[asd->sensor_curr].stream_num > 1) {
783 		switch (stream_id) {
784 		case ATOMISP_INPUT_STREAM_PREVIEW:
785 			return &asd->video_out_preview;
786 		case ATOMISP_INPUT_STREAM_POSTVIEW:
787 			return &asd->video_out_vf;
788 		case ATOMISP_INPUT_STREAM_VIDEO:
789 			return &asd->video_out_video_capture;
790 		case ATOMISP_INPUT_STREAM_CAPTURE:
791 		default:
792 			return &asd->video_out_capture;
793 		}
794 	}
795 
796 	/* video is same in online as in continuouscapture mode */
797 	if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
798 		/*
799 		 * Disable vf_pp and run CSS in still capture mode. In this
800 		 * mode, CSS does not cause extra latency with buffering, but
801 		 * scaling is not available.
802 		 */
803 		return &asd->video_out_capture;
804 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
805 		/*
806 		 * Disable vf_pp and run CSS in video mode. This allows using
807 		 * ISP scaling but it has one frame delay due to CSS internal
808 		 * buffering.
809 		 */
810 		return &asd->video_out_video_capture;
811 	} else if (css_pipe_id == IA_CSS_PIPE_ID_YUVPP) {
812 		/*
813 		 * to SOC camera, yuvpp pipe is run for capture/video/SDV/ZSL.
814 		 */
815 		if (asd->continuous_mode->val) {
816 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
817 				/* SDV case */
818 				switch (buf_type) {
819 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
820 					return &asd->video_out_video_capture;
821 				case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
822 					return &asd->video_out_preview;
823 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
824 					return &asd->video_out_capture;
825 				default:
826 					return &asd->video_out_vf;
827 				}
828 			} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
829 				/* ZSL case */
830 				switch (buf_type) {
831 				case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
832 					return &asd->video_out_preview;
833 				case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
834 					return &asd->video_out_capture;
835 				default:
836 					return &asd->video_out_vf;
837 				}
838 			}
839 		} else if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME) {
840 			switch (asd->run_mode->val) {
841 			case ATOMISP_RUN_MODE_VIDEO:
842 				return &asd->video_out_video_capture;
843 			case ATOMISP_RUN_MODE_PREVIEW:
844 				return &asd->video_out_preview;
845 			default:
846 				return &asd->video_out_capture;
847 			}
848 		} else if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
849 			if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
850 				return &asd->video_out_preview;
851 			else
852 				return &asd->video_out_vf;
853 		}
854 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
855 		/* For online video or SDV video pipe. */
856 		if (css_pipe_id == IA_CSS_PIPE_ID_VIDEO ||
857 		    css_pipe_id == IA_CSS_PIPE_ID_COPY) {
858 			if (buf_type == IA_CSS_BUFFER_TYPE_OUTPUT_FRAME)
859 				return &asd->video_out_video_capture;
860 			return &asd->video_out_preview;
861 		}
862 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_PREVIEW) {
863 		/* For online preview or ZSL preview pipe. */
864 		if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
865 		    css_pipe_id == IA_CSS_PIPE_ID_COPY)
866 			return &asd->video_out_preview;
867 	}
868 	/* For capture pipe. */
869 	if (buf_type == IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME)
870 		return &asd->video_out_vf;
871 	return &asd->video_out_capture;
872 }
873 
874 enum atomisp_metadata_type
875 atomisp_get_metadata_type(struct atomisp_sub_device *asd,
876 			  enum ia_css_pipe_id pipe_id) {
877 	if (!asd->continuous_mode->val)
878 		return ATOMISP_MAIN_METADATA;
879 
880 	if (pipe_id == IA_CSS_PIPE_ID_CAPTURE) /* online capture pipe */
881 		return ATOMISP_SEC_METADATA;
882 	else
883 		return ATOMISP_MAIN_METADATA;
884 }
885 
886 void atomisp_buf_done(struct atomisp_sub_device *asd, int error,
887 		      enum ia_css_buffer_type buf_type,
888 		      enum ia_css_pipe_id css_pipe_id,
889 		      bool q_buffers, enum atomisp_input_stream_id stream_id)
890 {
891 	struct videobuf_buffer *vb = NULL;
892 	struct atomisp_video_pipe *pipe = NULL;
893 	struct atomisp_css_buffer buffer;
894 	bool requeue = false;
895 	int err;
896 	unsigned long irqflags;
897 	struct ia_css_frame *frame = NULL;
898 	struct atomisp_s3a_buf *s3a_buf = NULL, *_s3a_buf_tmp;
899 	struct atomisp_dis_buf *dis_buf = NULL, *_dis_buf_tmp;
900 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf_tmp;
901 	enum atomisp_metadata_type md_type;
902 	struct atomisp_device *isp = asd->isp;
903 	struct v4l2_control ctrl;
904 	bool reset_wdt_timer = false;
905 
906 	if (
907 	    buf_type != IA_CSS_BUFFER_TYPE_METADATA &&
908 	    buf_type != IA_CSS_BUFFER_TYPE_3A_STATISTICS &&
909 	    buf_type != IA_CSS_BUFFER_TYPE_DIS_STATISTICS &&
910 	    buf_type != IA_CSS_BUFFER_TYPE_OUTPUT_FRAME &&
911 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
912 	    buf_type != IA_CSS_BUFFER_TYPE_RAW_OUTPUT_FRAME &&
913 	    buf_type != IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
914 	    buf_type != IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME) {
915 		dev_err(isp->dev, "%s, unsupported buffer type: %d\n",
916 			__func__, buf_type);
917 		return;
918 	}
919 
920 	memset(&buffer, 0, sizeof(struct atomisp_css_buffer));
921 	buffer.css_buffer.type = buf_type;
922 	err = atomisp_css_dequeue_buffer(asd, stream_id, css_pipe_id,
923 					 buf_type, &buffer);
924 	if (err) {
925 		dev_err(isp->dev,
926 			"atomisp_css_dequeue_buffer failed: 0x%x\n", err);
927 		return;
928 	}
929 
930 	/* need to know the atomisp pipe for frame buffers */
931 	pipe = __atomisp_get_pipe(asd, stream_id, css_pipe_id, buf_type);
932 	if (!pipe) {
933 		dev_err(isp->dev, "error getting atomisp pipe\n");
934 		return;
935 	}
936 
937 	switch (buf_type) {
938 	case IA_CSS_BUFFER_TYPE_3A_STATISTICS:
939 		list_for_each_entry_safe(s3a_buf, _s3a_buf_tmp,
940 					 &asd->s3a_stats_in_css, list) {
941 			if (s3a_buf->s3a_data ==
942 			    buffer.css_buffer.data.stats_3a) {
943 				list_del_init(&s3a_buf->list);
944 				list_add_tail(&s3a_buf->list,
945 					      &asd->s3a_stats_ready);
946 				break;
947 			}
948 		}
949 
950 		asd->s3a_bufs_in_css[css_pipe_id]--;
951 		atomisp_3a_stats_ready_event(asd, buffer.css_buffer.exp_id);
952 		dev_dbg(isp->dev, "%s: s3a stat with exp_id %d is ready\n",
953 			__func__, s3a_buf->s3a_data->exp_id);
954 		break;
955 	case IA_CSS_BUFFER_TYPE_METADATA:
956 		if (error)
957 			break;
958 
959 		md_type = atomisp_get_metadata_type(asd, css_pipe_id);
960 		list_for_each_entry_safe(md_buf, _md_buf_tmp,
961 					 &asd->metadata_in_css[md_type], list) {
962 			if (md_buf->metadata ==
963 			    buffer.css_buffer.data.metadata) {
964 				list_del_init(&md_buf->list);
965 				list_add_tail(&md_buf->list,
966 					      &asd->metadata_ready[md_type]);
967 				break;
968 			}
969 		}
970 		asd->metadata_bufs_in_css[stream_id][css_pipe_id]--;
971 		atomisp_metadata_ready_event(asd, md_type);
972 		dev_dbg(isp->dev, "%s: metadata with exp_id %d is ready\n",
973 			__func__, md_buf->metadata->exp_id);
974 		break;
975 	case IA_CSS_BUFFER_TYPE_DIS_STATISTICS:
976 		list_for_each_entry_safe(dis_buf, _dis_buf_tmp,
977 					 &asd->dis_stats_in_css, list) {
978 			if (dis_buf->dis_data ==
979 			    buffer.css_buffer.data.stats_dvs) {
980 				spin_lock_irqsave(&asd->dis_stats_lock,
981 						  irqflags);
982 				list_del_init(&dis_buf->list);
983 				list_add(&dis_buf->list, &asd->dis_stats);
984 				asd->params.dis_proj_data_valid = true;
985 				spin_unlock_irqrestore(&asd->dis_stats_lock,
986 						       irqflags);
987 				break;
988 			}
989 		}
990 		asd->dis_bufs_in_css--;
991 		dev_dbg(isp->dev, "%s: dis stat with exp_id %d is ready\n",
992 			__func__, dis_buf->dis_data->exp_id);
993 		break;
994 	case IA_CSS_BUFFER_TYPE_VF_OUTPUT_FRAME:
995 	case IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME:
996 		if (IS_ISP2401)
997 			reset_wdt_timer = true;
998 
999 		pipe->buffers_in_css--;
1000 		frame = buffer.css_buffer.data.frame;
1001 		if (!frame) {
1002 			WARN_ON(1);
1003 			break;
1004 		}
1005 		if (!frame->valid)
1006 			error = true;
1007 
1008 		/* FIXME:
1009 		 * YUVPP doesn't set postview exp_id correctlly in SDV mode.
1010 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1011 		 */
1012 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_VF_OUTPUT_FRAME &&
1013 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1014 			frame->exp_id = (asd->postview_exp_id++) %
1015 					(ATOMISP_MAX_EXP_ID + 1);
1016 
1017 		dev_dbg(isp->dev, "%s: vf frame with exp_id %d is ready\n",
1018 			__func__, frame->exp_id);
1019 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1020 			if (frame->flash_state
1021 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL)
1022 				dev_dbg(isp->dev, "%s thumb partially flashed\n",
1023 					__func__);
1024 			else if (frame->flash_state
1025 				 == IA_CSS_FRAME_FLASH_STATE_FULL)
1026 				dev_dbg(isp->dev, "%s thumb completely flashed\n",
1027 					__func__);
1028 			else
1029 				dev_dbg(isp->dev, "%s thumb no flash in this frame\n",
1030 					__func__);
1031 		}
1032 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1033 		WARN_ON(!vb);
1034 		if (vb)
1035 			pipe->frame_config_id[vb->i] = frame->isp_config_id;
1036 		if (css_pipe_id == IA_CSS_PIPE_ID_CAPTURE &&
1037 		    asd->pending_capture_request > 0) {
1038 			err = atomisp_css_offline_capture_configure(asd,
1039 				asd->params.offline_parm.num_captures,
1040 				asd->params.offline_parm.skip_frames,
1041 				asd->params.offline_parm.offset);
1042 
1043 			asd->pending_capture_request--;
1044 
1045 			if (IS_ISP2401)
1046 				asd->re_trigger_capture = false;
1047 
1048 			dev_dbg(isp->dev, "Trigger capture again for new buffer. err=%d\n",
1049 				err);
1050 		} else if (IS_ISP2401) {
1051 			asd->re_trigger_capture = true;
1052 		}
1053 		break;
1054 	case IA_CSS_BUFFER_TYPE_OUTPUT_FRAME:
1055 	case IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME:
1056 		if (IS_ISP2401)
1057 			reset_wdt_timer = true;
1058 
1059 		pipe->buffers_in_css--;
1060 		frame = buffer.css_buffer.data.frame;
1061 		if (!frame) {
1062 			WARN_ON(1);
1063 			break;
1064 		}
1065 
1066 		if (!frame->valid)
1067 			error = true;
1068 
1069 		/* FIXME:
1070 		 * YUVPP doesn't set preview exp_id correctlly in ZSL mode.
1071 		 * This is a WORKAROUND to set exp_id. see HSDES-1503911606.
1072 		 */
1073 		if (IS_BYT && buf_type == IA_CSS_BUFFER_TYPE_SEC_OUTPUT_FRAME &&
1074 		    asd->continuous_mode->val && ATOMISP_USE_YUVPP(asd))
1075 			frame->exp_id = (asd->preview_exp_id++) %
1076 					(ATOMISP_MAX_EXP_ID + 1);
1077 
1078 		dev_dbg(isp->dev, "%s: main frame with exp_id %d is ready\n",
1079 			__func__, frame->exp_id);
1080 		vb = atomisp_css_frame_to_vbuf(pipe, frame);
1081 		if (!vb) {
1082 			WARN_ON(1);
1083 			break;
1084 		}
1085 
1086 		/* free the parameters */
1087 		if (pipe->frame_params[vb->i]) {
1088 			if (asd->params.dvs_6axis ==
1089 			    pipe->frame_params[vb->i]->params.dvs_6axis)
1090 				asd->params.dvs_6axis = NULL;
1091 			atomisp_free_css_parameters(
1092 			    &pipe->frame_params[vb->i]->params);
1093 			kvfree(pipe->frame_params[vb->i]);
1094 			pipe->frame_params[vb->i] = NULL;
1095 		}
1096 
1097 		pipe->frame_config_id[vb->i] = frame->isp_config_id;
1098 		ctrl.id = V4L2_CID_FLASH_MODE;
1099 		if (asd->params.flash_state == ATOMISP_FLASH_ONGOING) {
1100 			if (frame->flash_state
1101 			    == IA_CSS_FRAME_FLASH_STATE_PARTIAL) {
1102 				asd->frame_status[vb->i] =
1103 				    ATOMISP_FRAME_STATUS_FLASH_PARTIAL;
1104 				dev_dbg(isp->dev, "%s partially flashed\n",
1105 					__func__);
1106 			} else if (frame->flash_state
1107 				   == IA_CSS_FRAME_FLASH_STATE_FULL) {
1108 				asd->frame_status[vb->i] =
1109 				    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1110 				asd->params.num_flash_frames--;
1111 				dev_dbg(isp->dev, "%s completely flashed\n",
1112 					__func__);
1113 			} else {
1114 				asd->frame_status[vb->i] =
1115 				    ATOMISP_FRAME_STATUS_OK;
1116 				dev_dbg(isp->dev,
1117 					"%s no flash in this frame\n",
1118 					__func__);
1119 			}
1120 
1121 			/* Check if flashing sequence is done */
1122 			if (asd->frame_status[vb->i] ==
1123 			    ATOMISP_FRAME_STATUS_FLASH_EXPOSED)
1124 				asd->params.flash_state = ATOMISP_FLASH_DONE;
1125 		} else if (isp->flash) {
1126 			if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl) ==
1127 			    0 && ctrl.value == ATOMISP_FLASH_MODE_TORCH) {
1128 				ctrl.id = V4L2_CID_FLASH_TORCH_INTENSITY;
1129 				if (v4l2_g_ctrl(isp->flash->ctrl_handler, &ctrl)
1130 				    == 0 && ctrl.value > 0) {
1131 					asd->frame_status[vb->i] =
1132 					    ATOMISP_FRAME_STATUS_FLASH_EXPOSED;
1133 				} else {
1134 					asd->frame_status[vb->i] =
1135 					    ATOMISP_FRAME_STATUS_OK;
1136 				}
1137 			} else
1138 				asd->frame_status[vb->i] =
1139 				    ATOMISP_FRAME_STATUS_OK;
1140 		} else {
1141 			asd->frame_status[vb->i] = ATOMISP_FRAME_STATUS_OK;
1142 		}
1143 
1144 		asd->params.last_frame_status = asd->frame_status[vb->i];
1145 
1146 		if (asd->continuous_mode->val) {
1147 			if (css_pipe_id == IA_CSS_PIPE_ID_PREVIEW ||
1148 			    css_pipe_id == IA_CSS_PIPE_ID_VIDEO) {
1149 				asd->latest_preview_exp_id = frame->exp_id;
1150 			} else if (css_pipe_id ==
1151 				   IA_CSS_PIPE_ID_CAPTURE) {
1152 				if (asd->run_mode->val ==
1153 				    ATOMISP_RUN_MODE_VIDEO)
1154 					dev_dbg(isp->dev, "SDV capture raw buffer id: %u\n",
1155 						frame->exp_id);
1156 				else
1157 					dev_dbg(isp->dev, "ZSL capture raw buffer id: %u\n",
1158 						frame->exp_id);
1159 			}
1160 		}
1161 		/*
1162 		 * Only after enabled the raw buffer lock
1163 		 * and in continuous mode.
1164 		 * in preview/video pipe, each buffer will
1165 		 * be locked automatically, so record it here.
1166 		 */
1167 		if (((css_pipe_id == IA_CSS_PIPE_ID_PREVIEW) ||
1168 		     (css_pipe_id == IA_CSS_PIPE_ID_VIDEO)) &&
1169 		    asd->enable_raw_buffer_lock->val &&
1170 		    asd->continuous_mode->val) {
1171 			atomisp_set_raw_buffer_bitmap(asd, frame->exp_id);
1172 			WARN_ON(frame->exp_id > ATOMISP_MAX_EXP_ID);
1173 		}
1174 
1175 		if (asd->params.css_update_params_needed) {
1176 			atomisp_apply_css_parameters(asd,
1177 						     &asd->params.css_param);
1178 			if (asd->params.css_param.update_flag.dz_config)
1179 				asd->params.config.dz_config = &asd->params.css_param.dz_config;
1180 			/* New global dvs 6axis config should be blocked
1181 			 * here if there's a buffer with per-frame parameters
1182 			 * pending in CSS frame buffer queue.
1183 			 * This is to aviod zooming vibration since global
1184 			 * parameters take effect immediately while
1185 			 * per-frame parameters are taken after previous
1186 			 * buffers in CSS got processed.
1187 			 */
1188 			if (asd->params.dvs_6axis)
1189 				atomisp_css_set_dvs_6axis(asd,
1190 							  asd->params.dvs_6axis);
1191 			else
1192 				asd->params.css_update_params_needed = false;
1193 			/* The update flag should not be cleaned here
1194 			 * since it is still going to be used to make up
1195 			 * following per-frame parameters.
1196 			 * This will introduce more copy work since each
1197 			 * time when updating global parameters, the whole
1198 			 * parameter set are applied.
1199 			 * FIXME: A new set of parameter copy functions can
1200 			 * be added to make up per-frame parameters based on
1201 			 * solid structures stored in asd->params.css_param
1202 			 * instead of using shadow pointers in update flag.
1203 			 */
1204 			atomisp_css_update_isp_params(asd);
1205 		}
1206 		break;
1207 	default:
1208 		break;
1209 	}
1210 	if (vb)
1211 	{
1212 		vb->ts = ktime_get_ns();
1213 		vb->field_count = atomic_read(&asd->sequence) << 1;
1214 		/*mark videobuffer done for dequeue*/
1215 		spin_lock_irqsave(&pipe->irq_lock, irqflags);
1216 		vb->state = !error ? VIDEOBUF_DONE : VIDEOBUF_ERROR;
1217 		spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
1218 
1219 		/*
1220 		 * Frame capture done, wake up any process block on
1221 		 * current active buffer
1222 		 * possibly hold by videobuf_dqbuf()
1223 		 */
1224 		wake_up(&vb->done);
1225 	}
1226 	if (IS_ISP2401)
1227 		atomic_set(&pipe->wdt_count, 0);
1228 
1229 	/*
1230 	 * Requeue should only be done for 3a and dis buffers.
1231 	 * Queue/dequeue order will change if driver recycles image buffers.
1232 	 */
1233 	if (requeue)
1234 	{
1235 		err = atomisp_css_queue_buffer(asd,
1236 					       stream_id, css_pipe_id,
1237 					       buf_type, &buffer);
1238 		if (err)
1239 			dev_err(isp->dev, "%s, q to css fails: %d\n",
1240 				__func__, err);
1241 		return;
1242 	}
1243 	if (!error && q_buffers)
1244 		atomisp_qbuffers_to_css(asd);
1245 
1246 	if (IS_ISP2401) {
1247 		/* If there are no buffers queued then
1248 		* delete wdt timer. */
1249 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1250 			return;
1251 		if (!atomisp_buffers_queued_pipe(pipe))
1252 			atomisp_wdt_stop_pipe(pipe, false);
1253 		else if (reset_wdt_timer)
1254 			/* SOF irq should not reset wdt timer. */
1255 			atomisp_wdt_refresh_pipe(pipe,
1256 						ATOMISP_WDT_KEEP_CURRENT_DELAY);
1257 	}
1258 }
1259 
1260 void atomisp_delayed_init_work(struct work_struct *work)
1261 {
1262 	struct atomisp_sub_device *asd = container_of(work,
1263 					 struct atomisp_sub_device,
1264 					 delayed_init_work);
1265 	/*
1266 	 * to SOC camera, use yuvpp pipe and no support continuous mode.
1267 	 */
1268 	if (!ATOMISP_USE_YUVPP(asd)) {
1269 		struct v4l2_event event = {0};
1270 		struct ia_css_stream *stream;
1271 
1272 		stream = asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
1273 
1274 
1275 		if (ia_css_alloc_continuous_frame_remain(stream))
1276 			return;
1277 
1278 		ia_css_update_continuous_frames(stream);
1279 
1280 		event.type = V4L2_EVENT_ATOMISP_RAW_BUFFERS_ALLOC_DONE;
1281 		v4l2_event_queue(asd->subdev.devnode, &event);
1282 	}
1283 
1284 	/* signal streamon after delayed init is done */
1285 	asd->delayed_init = ATOMISP_DELAYED_INIT_DONE;
1286 	complete(&asd->init_done);
1287 }
1288 
1289 static void __atomisp_css_recover(struct atomisp_device *isp, bool isp_timeout)
1290 {
1291 	enum ia_css_pipe_id css_pipe_id;
1292 	bool stream_restart[MAX_STREAM_NUM] = {0};
1293 	bool depth_mode = false;
1294 	int i, ret, depth_cnt = 0;
1295 
1296 	if (!isp->sw_contex.file_input)
1297 		atomisp_css_irq_enable(isp,
1298 				       IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF, false);
1299 
1300 	BUG_ON(isp->num_of_streams > MAX_STREAM_NUM);
1301 
1302 	for (i = 0; i < isp->num_of_streams; i++) {
1303 		struct atomisp_sub_device *asd = &isp->asd[i];
1304 		struct ia_css_pipeline *acc_pipeline;
1305 		struct ia_css_pipe *acc_pipe = NULL;
1306 
1307 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED &&
1308 		    !asd->stream_prepared)
1309 			continue;
1310 
1311 		/*
1312 		* AtomISP::waitStageUpdate is blocked when WDT happens.
1313 		* By calling acc_done() for all loaded fw_handles,
1314 		* HAL will be unblocked.
1315 		*/
1316 		acc_pipe = asd->stream_env[i].pipes[IA_CSS_PIPE_ID_ACC];
1317 		if (acc_pipe) {
1318 			acc_pipeline = ia_css_pipe_get_pipeline(acc_pipe);
1319 			if (acc_pipeline) {
1320 				struct ia_css_pipeline_stage *stage;
1321 
1322 				for (stage = acc_pipeline->stages; stage;
1323 				     stage = stage->next) {
1324 					const struct ia_css_fw_info *fw;
1325 
1326 					fw = stage->firmware;
1327 					atomisp_acc_done(asd, fw->handle);
1328 				}
1329 			}
1330 		}
1331 
1332 		depth_cnt++;
1333 
1334 		if (asd->delayed_init == ATOMISP_DELAYED_INIT_QUEUED)
1335 			cancel_work_sync(&asd->delayed_init_work);
1336 
1337 		complete(&asd->init_done);
1338 		asd->delayed_init = ATOMISP_DELAYED_INIT_NOT_QUEUED;
1339 
1340 		stream_restart[asd->index] = true;
1341 
1342 		asd->streaming = ATOMISP_DEVICE_STREAMING_STOPPING;
1343 
1344 		/* stream off sensor */
1345 		ret = v4l2_subdev_call(
1346 			  isp->inputs[asd->input_curr].
1347 			  camera, video, s_stream, 0);
1348 		if (ret)
1349 			dev_warn(isp->dev,
1350 				 "can't stop streaming on sensor!\n");
1351 
1352 		atomisp_acc_unload_extensions(asd);
1353 
1354 		atomisp_clear_css_buffer_counters(asd);
1355 
1356 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1357 		atomisp_css_stop(asd, css_pipe_id, true);
1358 
1359 		asd->streaming = ATOMISP_DEVICE_STREAMING_DISABLED;
1360 
1361 		asd->preview_exp_id = 1;
1362 		asd->postview_exp_id = 1;
1363 		/* notify HAL the CSS reset */
1364 		dev_dbg(isp->dev,
1365 			"send reset event to %s\n", asd->subdev.devnode->name);
1366 		atomisp_reset_event(asd);
1367 	}
1368 
1369 	/* clear irq */
1370 	disable_isp_irq(hrt_isp_css_irq_sp);
1371 	clear_isp_irq(hrt_isp_css_irq_sp);
1372 
1373 	/* Set the SRSE to 3 before resetting */
1374 	pci_write_config_dword(isp->pdev, PCI_I_CONTROL, isp->saved_regs.i_control |
1375 			       MRFLD_PCI_I_CONTROL_SRSE_RESET_MASK);
1376 
1377 	/* reset ISP and restore its state */
1378 	isp->isp_timeout = true;
1379 	atomisp_reset(isp);
1380 	isp->isp_timeout = false;
1381 
1382 	if (!isp_timeout) {
1383 		for (i = 0; i < isp->num_of_streams; i++) {
1384 			if (isp->asd[i].depth_mode->val)
1385 				return;
1386 		}
1387 	}
1388 
1389 	for (i = 0; i < isp->num_of_streams; i++) {
1390 		struct atomisp_sub_device *asd = &isp->asd[i];
1391 
1392 		if (!stream_restart[i])
1393 			continue;
1394 
1395 		if (isp->inputs[asd->input_curr].type != FILE_INPUT)
1396 			atomisp_css_input_set_mode(asd,
1397 						   IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
1398 
1399 		css_pipe_id = atomisp_get_css_pipe_id(asd);
1400 		if (atomisp_css_start(asd, css_pipe_id, true))
1401 			dev_warn(isp->dev,
1402 				 "start SP failed, so do not set streaming to be enable!\n");
1403 		else
1404 			asd->streaming = ATOMISP_DEVICE_STREAMING_ENABLED;
1405 
1406 		atomisp_csi2_configure(asd);
1407 	}
1408 
1409 	if (!isp->sw_contex.file_input) {
1410 		atomisp_css_irq_enable(isp, IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF,
1411 				       atomisp_css_valid_sof(isp));
1412 
1413 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_AUTO, true) < 0)
1414 			dev_dbg(isp->dev, "DFS auto failed while recovering!\n");
1415 	} else {
1416 		if (atomisp_freq_scaling(isp, ATOMISP_DFS_MODE_MAX, true) < 0)
1417 			dev_dbg(isp->dev, "DFS max failed while recovering!\n");
1418 	}
1419 
1420 	for (i = 0; i < isp->num_of_streams; i++) {
1421 		struct atomisp_sub_device *asd;
1422 
1423 		asd = &isp->asd[i];
1424 
1425 		if (!stream_restart[i])
1426 			continue;
1427 
1428 		if (asd->continuous_mode->val &&
1429 		    asd->delayed_init == ATOMISP_DELAYED_INIT_NOT_QUEUED) {
1430 			reinit_completion(&asd->init_done);
1431 			asd->delayed_init = ATOMISP_DELAYED_INIT_QUEUED;
1432 			queue_work(asd->delayed_init_workq,
1433 				   &asd->delayed_init_work);
1434 		}
1435 		/*
1436 		 * dequeueing buffers is not needed. CSS will recycle
1437 		 * buffers that it has.
1438 		 */
1439 		atomisp_flush_bufs_and_wakeup(asd);
1440 
1441 		/* Requeue unprocessed per-frame parameters. */
1442 		atomisp_recover_params_queue(&asd->video_out_capture);
1443 		atomisp_recover_params_queue(&asd->video_out_preview);
1444 		atomisp_recover_params_queue(&asd->video_out_video_capture);
1445 
1446 		if ((asd->depth_mode->val) &&
1447 		    (depth_cnt == ATOMISP_DEPTH_SENSOR_STREAMON_COUNT)) {
1448 			depth_mode = true;
1449 			continue;
1450 		}
1451 
1452 		ret = v4l2_subdev_call(
1453 			  isp->inputs[asd->input_curr].camera, video,
1454 			  s_stream, 1);
1455 		if (ret)
1456 			dev_warn(isp->dev,
1457 				 "can't start streaming on sensor!\n");
1458 	}
1459 
1460 	if (depth_mode) {
1461 		if (atomisp_stream_on_master_slave_sensor(isp, true))
1462 			dev_warn(isp->dev,
1463 				 "master slave sensor stream on failed!\n");
1464 	}
1465 }
1466 
1467 void atomisp_wdt_work(struct work_struct *work)
1468 {
1469 	struct atomisp_device *isp = container_of(work, struct atomisp_device,
1470 				     wdt_work);
1471 	int i;
1472 	unsigned int pipe_wdt_cnt[MAX_STREAM_NUM][4] = { {0} };
1473 	bool css_recover = false;
1474 
1475 	rt_mutex_lock(&isp->mutex);
1476 	if (!atomisp_streaming_count(isp)) {
1477 		atomic_set(&isp->wdt_work_queued, 0);
1478 		rt_mutex_unlock(&isp->mutex);
1479 		return;
1480 	}
1481 
1482 	if (!IS_ISP2401) {
1483 		dev_err(isp->dev, "timeout %d of %d\n",
1484 			atomic_read(&isp->wdt_count) + 1,
1485 			ATOMISP_ISP_MAX_TIMEOUT_COUNT);
1486 
1487 		if (atomic_inc_return(&isp->wdt_count) < ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1488 			css_recover = true;
1489 	} else {
1490 		css_recover = true;
1491 
1492 		for (i = 0; i < isp->num_of_streams; i++) {
1493 			struct atomisp_sub_device *asd = &isp->asd[i];
1494 
1495 			pipe_wdt_cnt[i][0] +=
1496 			    atomic_read(&asd->video_out_capture.wdt_count);
1497 			pipe_wdt_cnt[i][1] +=
1498 			    atomic_read(&asd->video_out_vf.wdt_count);
1499 			pipe_wdt_cnt[i][2] +=
1500 			    atomic_read(&asd->video_out_preview.wdt_count);
1501 			pipe_wdt_cnt[i][3] +=
1502 			    atomic_read(&asd->video_out_video_capture.wdt_count);
1503 			css_recover =
1504 			    (pipe_wdt_cnt[i][0] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1505 			    pipe_wdt_cnt[i][1] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1506 			    pipe_wdt_cnt[i][2] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT &&
1507 			    pipe_wdt_cnt[i][3] <= ATOMISP_ISP_MAX_TIMEOUT_COUNT)
1508 			    ? true : false;
1509 			dev_err(isp->dev,
1510 				"pipe on asd%d timeout cnt: (%d, %d, %d, %d) of %d, recover = %d\n",
1511 				asd->index, pipe_wdt_cnt[i][0], pipe_wdt_cnt[i][1],
1512 				pipe_wdt_cnt[i][2], pipe_wdt_cnt[i][3],
1513 				ATOMISP_ISP_MAX_TIMEOUT_COUNT, css_recover);
1514 		}
1515 	}
1516 
1517 	if (css_recover) {
1518 		ia_css_debug_dump_sp_sw_debug_info();
1519 		ia_css_debug_dump_debug_info(__func__);
1520 		for (i = 0; i < isp->num_of_streams; i++) {
1521 			struct atomisp_sub_device *asd = &isp->asd[i];
1522 
1523 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1524 				continue;
1525 			dev_err(isp->dev, "%s, vdev %s buffers in css: %d\n",
1526 				__func__,
1527 				asd->video_out_capture.vdev.name,
1528 				asd->video_out_capture.
1529 				buffers_in_css);
1530 			dev_err(isp->dev,
1531 				"%s, vdev %s buffers in css: %d\n",
1532 				__func__,
1533 				asd->video_out_vf.vdev.name,
1534 				asd->video_out_vf.
1535 				buffers_in_css);
1536 			dev_err(isp->dev,
1537 				"%s, vdev %s buffers in css: %d\n",
1538 				__func__,
1539 				asd->video_out_preview.vdev.name,
1540 				asd->video_out_preview.
1541 				buffers_in_css);
1542 			dev_err(isp->dev,
1543 				"%s, vdev %s buffers in css: %d\n",
1544 				__func__,
1545 				asd->video_out_video_capture.vdev.name,
1546 				asd->video_out_video_capture.
1547 				buffers_in_css);
1548 			dev_err(isp->dev,
1549 				"%s, s3a buffers in css preview pipe:%d\n",
1550 				__func__,
1551 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_PREVIEW]);
1552 			dev_err(isp->dev,
1553 				"%s, s3a buffers in css capture pipe:%d\n",
1554 				__func__,
1555 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_CAPTURE]);
1556 			dev_err(isp->dev,
1557 				"%s, s3a buffers in css video pipe:%d\n",
1558 				__func__,
1559 				asd->s3a_bufs_in_css[IA_CSS_PIPE_ID_VIDEO]);
1560 			dev_err(isp->dev,
1561 				"%s, dis buffers in css: %d\n",
1562 				__func__, asd->dis_bufs_in_css);
1563 			dev_err(isp->dev,
1564 				"%s, metadata buffers in css preview pipe:%d\n",
1565 				__func__,
1566 				asd->metadata_bufs_in_css
1567 				[ATOMISP_INPUT_STREAM_GENERAL]
1568 				[IA_CSS_PIPE_ID_PREVIEW]);
1569 			dev_err(isp->dev,
1570 				"%s, metadata buffers in css capture pipe:%d\n",
1571 				__func__,
1572 				asd->metadata_bufs_in_css
1573 				[ATOMISP_INPUT_STREAM_GENERAL]
1574 				[IA_CSS_PIPE_ID_CAPTURE]);
1575 			dev_err(isp->dev,
1576 				"%s, metadata buffers in css video pipe:%d\n",
1577 				__func__,
1578 				asd->metadata_bufs_in_css
1579 				[ATOMISP_INPUT_STREAM_GENERAL]
1580 				[IA_CSS_PIPE_ID_VIDEO]);
1581 			if (asd->enable_raw_buffer_lock->val) {
1582 				unsigned int j;
1583 
1584 				dev_err(isp->dev, "%s, raw_buffer_locked_count %d\n",
1585 					__func__, asd->raw_buffer_locked_count);
1586 				for (j = 0; j <= ATOMISP_MAX_EXP_ID / 32; j++)
1587 					dev_err(isp->dev, "%s, raw_buffer_bitmap[%d]: 0x%x\n",
1588 						__func__, j,
1589 						asd->raw_buffer_bitmap[j]);
1590 			}
1591 		}
1592 
1593 		/*sh_css_dump_sp_state();*/
1594 		/*sh_css_dump_isp_state();*/
1595 	} else {
1596 		for (i = 0; i < isp->num_of_streams; i++) {
1597 			struct atomisp_sub_device *asd = &isp->asd[i];
1598 
1599 			if (asd->streaming ==
1600 			    ATOMISP_DEVICE_STREAMING_ENABLED) {
1601 				atomisp_clear_css_buffer_counters(asd);
1602 				atomisp_flush_bufs_and_wakeup(asd);
1603 				complete(&asd->init_done);
1604 			}
1605 			if (IS_ISP2401)
1606 				atomisp_wdt_stop(asd, false);
1607 		}
1608 
1609 		if (!IS_ISP2401) {
1610 			atomic_set(&isp->wdt_count, 0);
1611 		} else {
1612 			isp->isp_fatal_error = true;
1613 			atomic_set(&isp->wdt_work_queued, 0);
1614 
1615 			rt_mutex_unlock(&isp->mutex);
1616 			return;
1617 		}
1618 	}
1619 
1620 	__atomisp_css_recover(isp, true);
1621 	if (IS_ISP2401) {
1622 		for (i = 0; i < isp->num_of_streams; i++) {
1623 			struct atomisp_sub_device *asd = &isp->asd[i];
1624 
1625 			if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1626 				continue;
1627 
1628 			atomisp_wdt_refresh(asd,
1629 					    isp->sw_contex.file_input ?
1630 					    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1631 					    ATOMISP_ISP_TIMEOUT_DURATION);
1632 		}
1633 	}
1634 
1635 	dev_err(isp->dev, "timeout recovery handling done\n");
1636 	atomic_set(&isp->wdt_work_queued, 0);
1637 
1638 	rt_mutex_unlock(&isp->mutex);
1639 }
1640 
1641 void atomisp_css_flush(struct atomisp_device *isp)
1642 {
1643 	int i;
1644 
1645 	if (!atomisp_streaming_count(isp))
1646 		return;
1647 
1648 	/* Disable wdt */
1649 	for (i = 0; i < isp->num_of_streams; i++) {
1650 		struct atomisp_sub_device *asd = &isp->asd[i];
1651 
1652 		atomisp_wdt_stop(asd, true);
1653 	}
1654 
1655 	/* Start recover */
1656 	__atomisp_css_recover(isp, false);
1657 	/* Restore wdt */
1658 	for (i = 0; i < isp->num_of_streams; i++) {
1659 		struct atomisp_sub_device *asd = &isp->asd[i];
1660 
1661 		if (asd->streaming !=
1662 		    ATOMISP_DEVICE_STREAMING_ENABLED)
1663 			continue;
1664 
1665 		atomisp_wdt_refresh(asd,
1666 				    isp->sw_contex.file_input ?
1667 				    ATOMISP_ISP_FILE_TIMEOUT_DURATION :
1668 				    ATOMISP_ISP_TIMEOUT_DURATION);
1669 	}
1670 	dev_dbg(isp->dev, "atomisp css flush done\n");
1671 }
1672 
1673 void atomisp_wdt(struct timer_list *t)
1674 {
1675 	struct atomisp_sub_device *asd;
1676 	struct atomisp_device *isp;
1677 
1678 	if (!IS_ISP2401) {
1679 		asd = from_timer(asd, t, wdt);
1680 		isp = asd->isp;
1681 	} else {
1682 		struct atomisp_video_pipe *pipe = from_timer(pipe, t, wdt);
1683 
1684 		asd = pipe->asd;
1685 		isp = asd->isp;
1686 
1687 		atomic_inc(&pipe->wdt_count);
1688 		dev_warn(isp->dev,
1689 			"[WARNING]asd %d pipe %s ISP timeout %d!\n",
1690 			asd->index, pipe->vdev.name,
1691 			atomic_read(&pipe->wdt_count));
1692 	}
1693 
1694 	if (atomic_read(&isp->wdt_work_queued)) {
1695 		dev_dbg(isp->dev, "ISP watchdog was put into workqueue\n");
1696 		return;
1697 	}
1698 	atomic_set(&isp->wdt_work_queued, 1);
1699 	queue_work(isp->wdt_work_queue, &isp->wdt_work);
1700 }
1701 
1702 /* ISP2400 */
1703 void atomisp_wdt_start(struct atomisp_sub_device *asd)
1704 {
1705 	atomisp_wdt_refresh(asd, ATOMISP_ISP_TIMEOUT_DURATION);
1706 }
1707 
1708 /* ISP2401 */
1709 void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
1710 			      unsigned int delay)
1711 {
1712 	unsigned long next;
1713 
1714 	if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1715 		pipe->wdt_duration = delay;
1716 
1717 	next = jiffies + pipe->wdt_duration;
1718 
1719 	/* Override next if it has been pushed beyon the "next" time */
1720 	if (atomisp_is_wdt_running(pipe) && time_after(pipe->wdt_expires, next))
1721 		next = pipe->wdt_expires;
1722 
1723 	pipe->wdt_expires = next;
1724 
1725 	if (atomisp_is_wdt_running(pipe))
1726 		dev_dbg(pipe->asd->isp->dev, "WDT will hit after %d ms (%s)\n",
1727 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1728 	else
1729 		dev_dbg(pipe->asd->isp->dev, "WDT starts with %d ms period (%s)\n",
1730 			((int)(next - jiffies) * 1000 / HZ), pipe->vdev.name);
1731 
1732 	mod_timer(&pipe->wdt, next);
1733 }
1734 
1735 void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay)
1736 {
1737 	if (!IS_ISP2401) {
1738 		unsigned long next;
1739 
1740 		if (delay != ATOMISP_WDT_KEEP_CURRENT_DELAY)
1741 			asd->wdt_duration = delay;
1742 
1743 		next = jiffies + asd->wdt_duration;
1744 
1745 		/* Override next if it has been pushed beyon the "next" time */
1746 		if (atomisp_is_wdt_running(asd) && time_after(asd->wdt_expires, next))
1747 			next = asd->wdt_expires;
1748 
1749 		asd->wdt_expires = next;
1750 
1751 		if (atomisp_is_wdt_running(asd))
1752 			dev_dbg(asd->isp->dev, "WDT will hit after %d ms\n",
1753 				((int)(next - jiffies) * 1000 / HZ));
1754 		else
1755 			dev_dbg(asd->isp->dev, "WDT starts with %d ms period\n",
1756 				((int)(next - jiffies) * 1000 / HZ));
1757 
1758 		mod_timer(&asd->wdt, next);
1759 		atomic_set(&asd->isp->wdt_count, 0);
1760 	} else {
1761 		dev_dbg(asd->isp->dev, "WDT refresh all:\n");
1762 		if (atomisp_is_wdt_running(&asd->video_out_capture))
1763 			atomisp_wdt_refresh_pipe(&asd->video_out_capture, delay);
1764 		if (atomisp_is_wdt_running(&asd->video_out_preview))
1765 			atomisp_wdt_refresh_pipe(&asd->video_out_preview, delay);
1766 		if (atomisp_is_wdt_running(&asd->video_out_vf))
1767 			atomisp_wdt_refresh_pipe(&asd->video_out_vf, delay);
1768 		if (atomisp_is_wdt_running(&asd->video_out_video_capture))
1769 			atomisp_wdt_refresh_pipe(&asd->video_out_video_capture, delay);
1770 	}
1771 }
1772 
1773 /* ISP2401 */
1774 void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync)
1775 {
1776 	if (!atomisp_is_wdt_running(pipe))
1777 		return;
1778 
1779 	dev_dbg(pipe->asd->isp->dev,
1780 		"WDT stop asd %d (%s)\n", pipe->asd->index, pipe->vdev.name);
1781 
1782 	if (sync) {
1783 		del_timer_sync(&pipe->wdt);
1784 		cancel_work_sync(&pipe->asd->isp->wdt_work);
1785 	} else {
1786 		del_timer(&pipe->wdt);
1787 	}
1788 }
1789 
1790 /* ISP 2401 */
1791 void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe)
1792 {
1793 	atomisp_wdt_refresh_pipe(pipe, ATOMISP_ISP_TIMEOUT_DURATION);
1794 }
1795 
1796 void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync)
1797 {
1798 	dev_dbg(asd->isp->dev, "WDT stop:\n");
1799 
1800 	if (!IS_ISP2401) {
1801 		if (sync) {
1802 			del_timer_sync(&asd->wdt);
1803 			cancel_work_sync(&asd->isp->wdt_work);
1804 		} else {
1805 			del_timer(&asd->wdt);
1806 		}
1807 	} else {
1808 		atomisp_wdt_stop_pipe(&asd->video_out_capture, sync);
1809 		atomisp_wdt_stop_pipe(&asd->video_out_preview, sync);
1810 		atomisp_wdt_stop_pipe(&asd->video_out_vf, sync);
1811 		atomisp_wdt_stop_pipe(&asd->video_out_video_capture, sync);
1812 	}
1813 }
1814 
1815 void atomisp_setup_flash(struct atomisp_sub_device *asd)
1816 {
1817 	struct atomisp_device *isp = asd->isp;
1818 	struct v4l2_control ctrl;
1819 
1820 	if (!isp->flash)
1821 		return;
1822 
1823 	if (asd->params.flash_state != ATOMISP_FLASH_REQUESTED &&
1824 	    asd->params.flash_state != ATOMISP_FLASH_DONE)
1825 		return;
1826 
1827 	if (asd->params.num_flash_frames) {
1828 		/* make sure the timeout is set before setting flash mode */
1829 		ctrl.id = V4L2_CID_FLASH_TIMEOUT;
1830 		ctrl.value = FLASH_TIMEOUT;
1831 
1832 		if (v4l2_s_ctrl(NULL, isp->flash->ctrl_handler, &ctrl)) {
1833 			dev_err(isp->dev, "flash timeout configure failed\n");
1834 			return;
1835 		}
1836 
1837 		ia_css_stream_request_flash(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream);
1838 
1839 		asd->params.flash_state = ATOMISP_FLASH_ONGOING;
1840 	} else {
1841 		asd->params.flash_state = ATOMISP_FLASH_IDLE;
1842 	}
1843 }
1844 
1845 irqreturn_t atomisp_isr_thread(int irq, void *isp_ptr)
1846 {
1847 	struct atomisp_device *isp = isp_ptr;
1848 	unsigned long flags;
1849 	bool frame_done_found[MAX_STREAM_NUM] = {0};
1850 	bool css_pipe_done[MAX_STREAM_NUM] = {0};
1851 	unsigned int i;
1852 	struct atomisp_sub_device *asd;
1853 
1854 	dev_dbg(isp->dev, ">%s\n", __func__);
1855 
1856 	spin_lock_irqsave(&isp->lock, flags);
1857 
1858 	if (!atomisp_streaming_count(isp) && !atomisp_is_acc_enabled(isp)) {
1859 		spin_unlock_irqrestore(&isp->lock, flags);
1860 		return IRQ_HANDLED;
1861 	}
1862 
1863 	spin_unlock_irqrestore(&isp->lock, flags);
1864 
1865 	/*
1866 	 * The standard CSS2.0 API tells the following calling sequence of
1867 	 * dequeue ready buffers:
1868 	 * while (ia_css_dequeue_event(...)) {
1869 	 *	switch (event.type) {
1870 	 *	...
1871 	 *	ia_css_pipe_dequeue_buffer()
1872 	 *	}
1873 	 * }
1874 	 * That is, dequeue event and buffer are one after another.
1875 	 *
1876 	 * But the following implementation is to first deuque all the event
1877 	 * to a FIFO, then process the event in the FIFO.
1878 	 * This will not have issue in single stream mode, but it do have some
1879 	 * issue in multiple stream case. The issue is that
1880 	 * ia_css_pipe_dequeue_buffer() will not return the corrent buffer in
1881 	 * a specific pipe.
1882 	 *
1883 	 * This is due to ia_css_pipe_dequeue_buffer() does not take the
1884 	 * ia_css_pipe parameter.
1885 	 *
1886 	 * So:
1887 	 * For CSS2.0: we change the way to not dequeue all the event at one
1888 	 * time, instead, dequue one and process one, then another
1889 	 */
1890 	rt_mutex_lock(&isp->mutex);
1891 	if (atomisp_css_isr_thread(isp, frame_done_found, css_pipe_done))
1892 		goto out;
1893 
1894 	for (i = 0; i < isp->num_of_streams; i++) {
1895 		asd = &isp->asd[i];
1896 		if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
1897 			continue;
1898 		atomisp_setup_flash(asd);
1899 	}
1900 out:
1901 	rt_mutex_unlock(&isp->mutex);
1902 	for (i = 0; i < isp->num_of_streams; i++) {
1903 		asd = &isp->asd[i];
1904 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED
1905 		    && css_pipe_done[asd->index]
1906 		    && isp->sw_contex.file_input)
1907 			v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
1908 					 video, s_stream, 1);
1909 		/* FIXME! FIX ACC implementation */
1910 		if (asd->acc.pipeline && css_pipe_done[asd->index])
1911 			atomisp_css_acc_done(asd);
1912 	}
1913 	dev_dbg(isp->dev, "<%s\n", __func__);
1914 
1915 	return IRQ_HANDLED;
1916 }
1917 
1918 /*
1919  * utils for buffer allocation/free
1920  */
1921 
1922 int atomisp_get_frame_pgnr(struct atomisp_device *isp,
1923 			   const struct ia_css_frame *frame, u32 *p_pgnr)
1924 {
1925 	if (!frame) {
1926 		dev_err(isp->dev, "%s: NULL frame pointer ERROR.\n", __func__);
1927 		return -EINVAL;
1928 	}
1929 
1930 	*p_pgnr = DIV_ROUND_UP(frame->data_bytes, PAGE_SIZE);
1931 	return 0;
1932 }
1933 
1934 /*
1935  * Get internal fmt according to V4L2 fmt
1936  */
1937 static enum ia_css_frame_format
1938 v4l2_fmt_to_sh_fmt(u32 fmt) {
1939 	switch (fmt)
1940 	{
1941 	case V4L2_PIX_FMT_YUV420:
1942 				return IA_CSS_FRAME_FORMAT_YUV420;
1943 	case V4L2_PIX_FMT_YVU420:
1944 		return IA_CSS_FRAME_FORMAT_YV12;
1945 	case V4L2_PIX_FMT_YUV422P:
1946 		return IA_CSS_FRAME_FORMAT_YUV422;
1947 	case V4L2_PIX_FMT_YUV444:
1948 		return IA_CSS_FRAME_FORMAT_YUV444;
1949 	case V4L2_PIX_FMT_NV12:
1950 		return IA_CSS_FRAME_FORMAT_NV12;
1951 	case V4L2_PIX_FMT_NV21:
1952 		return IA_CSS_FRAME_FORMAT_NV21;
1953 	case V4L2_PIX_FMT_NV16:
1954 		return IA_CSS_FRAME_FORMAT_NV16;
1955 	case V4L2_PIX_FMT_NV61:
1956 		return IA_CSS_FRAME_FORMAT_NV61;
1957 	case V4L2_PIX_FMT_UYVY:
1958 		return IA_CSS_FRAME_FORMAT_UYVY;
1959 	case V4L2_PIX_FMT_YUYV:
1960 		return IA_CSS_FRAME_FORMAT_YUYV;
1961 	case V4L2_PIX_FMT_RGB24:
1962 		return IA_CSS_FRAME_FORMAT_PLANAR_RGB888;
1963 	case V4L2_PIX_FMT_RGB32:
1964 		return IA_CSS_FRAME_FORMAT_RGBA888;
1965 	case V4L2_PIX_FMT_RGB565:
1966 		return IA_CSS_FRAME_FORMAT_RGB565;
1967 	case V4L2_PIX_FMT_JPEG:
1968 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
1969 		return IA_CSS_FRAME_FORMAT_BINARY_8;
1970 	case V4L2_PIX_FMT_SBGGR16:
1971 	case V4L2_PIX_FMT_SBGGR10:
1972 	case V4L2_PIX_FMT_SGBRG10:
1973 	case V4L2_PIX_FMT_SGRBG10:
1974 	case V4L2_PIX_FMT_SRGGB10:
1975 	case V4L2_PIX_FMT_SBGGR12:
1976 	case V4L2_PIX_FMT_SGBRG12:
1977 	case V4L2_PIX_FMT_SGRBG12:
1978 	case V4L2_PIX_FMT_SRGGB12:
1979 	case V4L2_PIX_FMT_SBGGR8:
1980 	case V4L2_PIX_FMT_SGBRG8:
1981 	case V4L2_PIX_FMT_SGRBG8:
1982 	case V4L2_PIX_FMT_SRGGB8:
1983 		return IA_CSS_FRAME_FORMAT_RAW;
1984 	default:
1985 		return -EINVAL;
1986 	}
1987 }
1988 
1989 /*
1990  * raw format match between SH format and V4L2 format
1991  */
1992 static int raw_output_format_match_input(u32 input, u32 output)
1993 {
1994 	if ((input == ATOMISP_INPUT_FORMAT_RAW_12) &&
1995 	    ((output == V4L2_PIX_FMT_SRGGB12) ||
1996 	     (output == V4L2_PIX_FMT_SGRBG12) ||
1997 	     (output == V4L2_PIX_FMT_SBGGR12) ||
1998 	     (output == V4L2_PIX_FMT_SGBRG12)))
1999 		return 0;
2000 
2001 	if ((input == ATOMISP_INPUT_FORMAT_RAW_10) &&
2002 	    ((output == V4L2_PIX_FMT_SRGGB10) ||
2003 	     (output == V4L2_PIX_FMT_SGRBG10) ||
2004 	     (output == V4L2_PIX_FMT_SBGGR10) ||
2005 	     (output == V4L2_PIX_FMT_SGBRG10)))
2006 		return 0;
2007 
2008 	if ((input == ATOMISP_INPUT_FORMAT_RAW_8) &&
2009 	    ((output == V4L2_PIX_FMT_SRGGB8) ||
2010 	     (output == V4L2_PIX_FMT_SGRBG8) ||
2011 	     (output == V4L2_PIX_FMT_SBGGR8) ||
2012 	     (output == V4L2_PIX_FMT_SGBRG8)))
2013 		return 0;
2014 
2015 	if ((input == ATOMISP_INPUT_FORMAT_RAW_16) && (output == V4L2_PIX_FMT_SBGGR16))
2016 		return 0;
2017 
2018 	return -EINVAL;
2019 }
2020 
2021 static u32 get_pixel_depth(u32 pixelformat)
2022 {
2023 	switch (pixelformat) {
2024 	case V4L2_PIX_FMT_YUV420:
2025 	case V4L2_PIX_FMT_NV12:
2026 	case V4L2_PIX_FMT_NV21:
2027 	case V4L2_PIX_FMT_YVU420:
2028 		return 12;
2029 	case V4L2_PIX_FMT_YUV422P:
2030 	case V4L2_PIX_FMT_YUYV:
2031 	case V4L2_PIX_FMT_UYVY:
2032 	case V4L2_PIX_FMT_NV16:
2033 	case V4L2_PIX_FMT_NV61:
2034 	case V4L2_PIX_FMT_RGB565:
2035 	case V4L2_PIX_FMT_SBGGR16:
2036 	case V4L2_PIX_FMT_SBGGR12:
2037 	case V4L2_PIX_FMT_SGBRG12:
2038 	case V4L2_PIX_FMT_SGRBG12:
2039 	case V4L2_PIX_FMT_SRGGB12:
2040 	case V4L2_PIX_FMT_SBGGR10:
2041 	case V4L2_PIX_FMT_SGBRG10:
2042 	case V4L2_PIX_FMT_SGRBG10:
2043 	case V4L2_PIX_FMT_SRGGB10:
2044 		return 16;
2045 	case V4L2_PIX_FMT_RGB24:
2046 	case V4L2_PIX_FMT_YUV444:
2047 		return 24;
2048 	case V4L2_PIX_FMT_RGB32:
2049 		return 32;
2050 	case V4L2_PIX_FMT_JPEG:
2051 	case V4L2_PIX_FMT_CUSTOM_M10MO_RAW:
2052 	case V4L2_PIX_FMT_SBGGR8:
2053 	case V4L2_PIX_FMT_SGBRG8:
2054 	case V4L2_PIX_FMT_SGRBG8:
2055 	case V4L2_PIX_FMT_SRGGB8:
2056 		return 8;
2057 	default:
2058 		return 8 * 2;	/* raw type now */
2059 	}
2060 }
2061 
2062 bool atomisp_is_mbuscode_raw(uint32_t code)
2063 {
2064 	return code >= 0x3000 && code < 0x4000;
2065 }
2066 
2067 /*
2068  * ISP features control function
2069  */
2070 
2071 /*
2072  * Set ISP capture mode based on current settings
2073  */
2074 static void atomisp_update_capture_mode(struct atomisp_sub_device *asd)
2075 {
2076 	if (asd->params.gdc_cac_en)
2077 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_ADVANCED);
2078 	else if (asd->params.low_light)
2079 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_LOW_LIGHT);
2080 	else if (asd->video_out_capture.sh_fmt == IA_CSS_FRAME_FORMAT_RAW)
2081 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
2082 	else
2083 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
2084 }
2085 
2086 /* ISP2401 */
2087 int atomisp_set_sensor_runmode(struct atomisp_sub_device *asd,
2088 			       struct atomisp_s_runmode *runmode)
2089 {
2090 	struct atomisp_device *isp = asd->isp;
2091 	struct v4l2_ctrl *c;
2092 	int ret = 0;
2093 
2094 	if (!(runmode && (runmode->mode & RUNMODE_MASK)))
2095 		return -EINVAL;
2096 
2097 	mutex_lock(asd->ctrl_handler.lock);
2098 	c = v4l2_ctrl_find(isp->inputs[asd->input_curr].camera->ctrl_handler,
2099 			   V4L2_CID_RUN_MODE);
2100 
2101 	if (c)
2102 		ret = v4l2_ctrl_s_ctrl(c, runmode->mode);
2103 
2104 	mutex_unlock(asd->ctrl_handler.lock);
2105 	return ret;
2106 }
2107 
2108 /*
2109  * Function to enable/disable lens geometry distortion correction (GDC) and
2110  * chromatic aberration correction (CAC)
2111  */
2112 int atomisp_gdc_cac(struct atomisp_sub_device *asd, int flag,
2113 		    __s32 *value)
2114 {
2115 	if (flag == 0) {
2116 		*value = asd->params.gdc_cac_en;
2117 		return 0;
2118 	}
2119 
2120 	asd->params.gdc_cac_en = !!*value;
2121 	if (asd->params.gdc_cac_en) {
2122 		asd->params.config.morph_table = asd->params.css_param.morph_table;
2123 	} else {
2124 		asd->params.config.morph_table = NULL;
2125 	}
2126 	asd->params.css_update_params_needed = true;
2127 	atomisp_update_capture_mode(asd);
2128 	return 0;
2129 }
2130 
2131 /*
2132  * Function to enable/disable low light mode including ANR
2133  */
2134 int atomisp_low_light(struct atomisp_sub_device *asd, int flag,
2135 		      __s32 *value)
2136 {
2137 	if (flag == 0) {
2138 		*value = asd->params.low_light;
2139 		return 0;
2140 	}
2141 
2142 	asd->params.low_light = (*value != 0);
2143 	atomisp_update_capture_mode(asd);
2144 	return 0;
2145 }
2146 
2147 /*
2148  * Function to enable/disable extra noise reduction (XNR) in low light
2149  * condition
2150  */
2151 int atomisp_xnr(struct atomisp_sub_device *asd, int flag,
2152 		int *xnr_enable)
2153 {
2154 	if (flag == 0) {
2155 		*xnr_enable = asd->params.xnr_en;
2156 		return 0;
2157 	}
2158 
2159 	atomisp_css_capture_enable_xnr(asd, !!*xnr_enable);
2160 
2161 	return 0;
2162 }
2163 
2164 /*
2165  * Function to configure bayer noise reduction
2166  */
2167 int atomisp_nr(struct atomisp_sub_device *asd, int flag,
2168 	       struct atomisp_nr_config *arg)
2169 {
2170 	if (flag == 0) {
2171 		/* Get nr config from current setup */
2172 		if (atomisp_css_get_nr_config(asd, arg))
2173 			return -EINVAL;
2174 	} else {
2175 		/* Set nr config to isp parameters */
2176 		memcpy(&asd->params.css_param.nr_config, arg,
2177 		       sizeof(struct ia_css_nr_config));
2178 		asd->params.config.nr_config = &asd->params.css_param.nr_config;
2179 		asd->params.css_update_params_needed = true;
2180 	}
2181 	return 0;
2182 }
2183 
2184 /*
2185  * Function to configure temporal noise reduction (TNR)
2186  */
2187 int atomisp_tnr(struct atomisp_sub_device *asd, int flag,
2188 		struct atomisp_tnr_config *config)
2189 {
2190 	/* Get tnr config from current setup */
2191 	if (flag == 0) {
2192 		/* Get tnr config from current setup */
2193 		if (atomisp_css_get_tnr_config(asd, config))
2194 			return -EINVAL;
2195 	} else {
2196 		/* Set tnr config to isp parameters */
2197 		memcpy(&asd->params.css_param.tnr_config, config,
2198 		       sizeof(struct ia_css_tnr_config));
2199 		asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
2200 		asd->params.css_update_params_needed = true;
2201 	}
2202 
2203 	return 0;
2204 }
2205 
2206 /*
2207  * Function to configure black level compensation
2208  */
2209 int atomisp_black_level(struct atomisp_sub_device *asd, int flag,
2210 			struct atomisp_ob_config *config)
2211 {
2212 	if (flag == 0) {
2213 		/* Get ob config from current setup */
2214 		if (atomisp_css_get_ob_config(asd, config))
2215 			return -EINVAL;
2216 	} else {
2217 		/* Set ob config to isp parameters */
2218 		memcpy(&asd->params.css_param.ob_config, config,
2219 		       sizeof(struct ia_css_ob_config));
2220 		asd->params.config.ob_config = &asd->params.css_param.ob_config;
2221 		asd->params.css_update_params_needed = true;
2222 	}
2223 
2224 	return 0;
2225 }
2226 
2227 /*
2228  * Function to configure edge enhancement
2229  */
2230 int atomisp_ee(struct atomisp_sub_device *asd, int flag,
2231 	       struct atomisp_ee_config *config)
2232 {
2233 	if (flag == 0) {
2234 		/* Get ee config from current setup */
2235 		if (atomisp_css_get_ee_config(asd, config))
2236 			return -EINVAL;
2237 	} else {
2238 		/* Set ee config to isp parameters */
2239 		memcpy(&asd->params.css_param.ee_config, config,
2240 		       sizeof(asd->params.css_param.ee_config));
2241 		asd->params.config.ee_config = &asd->params.css_param.ee_config;
2242 		asd->params.css_update_params_needed = true;
2243 	}
2244 
2245 	return 0;
2246 }
2247 
2248 /*
2249  * Function to update Gamma table for gamma, brightness and contrast config
2250  */
2251 int atomisp_gamma(struct atomisp_sub_device *asd, int flag,
2252 		  struct atomisp_gamma_table *config)
2253 {
2254 	if (flag == 0) {
2255 		/* Get gamma table from current setup */
2256 		if (atomisp_css_get_gamma_table(asd, config))
2257 			return -EINVAL;
2258 	} else {
2259 		/* Set gamma table to isp parameters */
2260 		memcpy(&asd->params.css_param.gamma_table, config,
2261 		       sizeof(asd->params.css_param.gamma_table));
2262 		asd->params.config.gamma_table = &asd->params.css_param.gamma_table;
2263 	}
2264 
2265 	return 0;
2266 }
2267 
2268 /*
2269  * Function to update Ctc table for Chroma Enhancement
2270  */
2271 int atomisp_ctc(struct atomisp_sub_device *asd, int flag,
2272 		struct atomisp_ctc_table *config)
2273 {
2274 	if (flag == 0) {
2275 		/* Get ctc table from current setup */
2276 		if (atomisp_css_get_ctc_table(asd, config))
2277 			return -EINVAL;
2278 	} else {
2279 		/* Set ctc table to isp parameters */
2280 		memcpy(&asd->params.css_param.ctc_table, config,
2281 		       sizeof(asd->params.css_param.ctc_table));
2282 		atomisp_css_set_ctc_table(asd, &asd->params.css_param.ctc_table);
2283 	}
2284 
2285 	return 0;
2286 }
2287 
2288 /*
2289  * Function to update gamma correction parameters
2290  */
2291 int atomisp_gamma_correction(struct atomisp_sub_device *asd, int flag,
2292 			     struct atomisp_gc_config *config)
2293 {
2294 	if (flag == 0) {
2295 		/* Get gamma correction params from current setup */
2296 		if (atomisp_css_get_gc_config(asd, config))
2297 			return -EINVAL;
2298 	} else {
2299 		/* Set gamma correction params to isp parameters */
2300 		memcpy(&asd->params.css_param.gc_config, config,
2301 		       sizeof(asd->params.css_param.gc_config));
2302 		asd->params.config.gc_config = &asd->params.css_param.gc_config;
2303 		asd->params.css_update_params_needed = true;
2304 	}
2305 
2306 	return 0;
2307 }
2308 
2309 /*
2310  * Function to update narrow gamma flag
2311  */
2312 int atomisp_formats(struct atomisp_sub_device *asd, int flag,
2313 		    struct atomisp_formats_config *config)
2314 {
2315 	if (flag == 0) {
2316 		/* Get narrow gamma flag from current setup */
2317 		if (atomisp_css_get_formats_config(asd, config))
2318 			return -EINVAL;
2319 	} else {
2320 		/* Set narrow gamma flag to isp parameters */
2321 		memcpy(&asd->params.css_param.formats_config, config,
2322 		       sizeof(asd->params.css_param.formats_config));
2323 		asd->params.config.formats_config = &asd->params.css_param.formats_config;
2324 	}
2325 
2326 	return 0;
2327 }
2328 
2329 void atomisp_free_internal_buffers(struct atomisp_sub_device *asd)
2330 {
2331 	atomisp_free_css_parameters(&asd->params.css_param);
2332 
2333 	if (asd->raw_output_frame) {
2334 		ia_css_frame_free(asd->raw_output_frame);
2335 		asd->raw_output_frame = NULL;
2336 	}
2337 }
2338 
2339 static void atomisp_update_grid_info(struct atomisp_sub_device *asd,
2340 				     enum ia_css_pipe_id pipe_id,
2341 				     int source_pad)
2342 {
2343 	struct atomisp_device *isp = asd->isp;
2344 	int err;
2345 	u16 stream_id = atomisp_source_pad_to_stream_id(asd, source_pad);
2346 
2347 	if (atomisp_css_get_grid_info(asd, pipe_id, source_pad))
2348 		return;
2349 
2350 	/* We must free all buffers because they no longer match
2351 	   the grid size. */
2352 	atomisp_css_free_stat_buffers(asd);
2353 
2354 	err = atomisp_alloc_css_stat_bufs(asd, stream_id);
2355 	if (err) {
2356 		dev_err(isp->dev, "stat_buf allocate error\n");
2357 		goto err;
2358 	}
2359 
2360 	if (atomisp_alloc_3a_output_buf(asd)) {
2361 		/* Failure for 3A buffers does not influence DIS buffers */
2362 		if (asd->params.s3a_output_bytes != 0) {
2363 			/* For SOC sensor happens s3a_output_bytes == 0,
2364 			 * using if condition to exclude false error log */
2365 			dev_err(isp->dev, "Failed to allocate memory for 3A statistics\n");
2366 		}
2367 		goto err;
2368 	}
2369 
2370 	if (atomisp_alloc_dis_coef_buf(asd)) {
2371 		dev_err(isp->dev,
2372 			"Failed to allocate memory for DIS statistics\n");
2373 		goto err;
2374 	}
2375 
2376 	if (atomisp_alloc_metadata_output_buf(asd)) {
2377 		dev_err(isp->dev, "Failed to allocate memory for metadata\n");
2378 		goto err;
2379 	}
2380 
2381 	return;
2382 
2383 err:
2384 	atomisp_css_free_stat_buffers(asd);
2385 	return;
2386 }
2387 
2388 static void atomisp_curr_user_grid_info(struct atomisp_sub_device *asd,
2389 					struct atomisp_grid_info *info)
2390 {
2391 	memcpy(info, &asd->params.curr_grid_info.s3a_grid,
2392 	       sizeof(struct ia_css_3a_grid_info));
2393 }
2394 
2395 int atomisp_compare_grid(struct atomisp_sub_device *asd,
2396 			 struct atomisp_grid_info *atomgrid)
2397 {
2398 	struct atomisp_grid_info tmp = {0};
2399 
2400 	atomisp_curr_user_grid_info(asd, &tmp);
2401 	return memcmp(atomgrid, &tmp, sizeof(tmp));
2402 }
2403 
2404 /*
2405  * Function to update Gdc table for gdc
2406  */
2407 int atomisp_gdc_cac_table(struct atomisp_sub_device *asd, int flag,
2408 			  struct atomisp_morph_table *config)
2409 {
2410 	int ret;
2411 	int i;
2412 	struct atomisp_device *isp = asd->isp;
2413 
2414 	if (flag == 0) {
2415 		/* Get gdc table from current setup */
2416 		struct ia_css_morph_table tab = {0};
2417 
2418 		atomisp_css_get_morph_table(asd, &tab);
2419 
2420 		config->width = tab.width;
2421 		config->height = tab.height;
2422 
2423 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2424 			ret = copy_to_user(config->coordinates_x[i],
2425 					   tab.coordinates_x[i], tab.height *
2426 					   tab.width * sizeof(*tab.coordinates_x[i]));
2427 			if (ret) {
2428 				dev_err(isp->dev,
2429 					"Failed to copy to User for x\n");
2430 				return -EFAULT;
2431 			}
2432 			ret = copy_to_user(config->coordinates_y[i],
2433 					   tab.coordinates_y[i], tab.height *
2434 					   tab.width * sizeof(*tab.coordinates_y[i]));
2435 			if (ret) {
2436 				dev_err(isp->dev,
2437 					"Failed to copy to User for y\n");
2438 				return -EFAULT;
2439 			}
2440 		}
2441 	} else {
2442 		struct ia_css_morph_table *tab =
2443 			    asd->params.css_param.morph_table;
2444 
2445 		/* free first if we have one */
2446 		if (tab) {
2447 			atomisp_css_morph_table_free(tab);
2448 			asd->params.css_param.morph_table = NULL;
2449 		}
2450 
2451 		/* allocate new one */
2452 		tab = atomisp_css_morph_table_allocate(config->width,
2453 						       config->height);
2454 
2455 		if (!tab) {
2456 			dev_err(isp->dev, "out of memory\n");
2457 			return -EINVAL;
2458 		}
2459 
2460 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
2461 			ret = copy_from_user(tab->coordinates_x[i],
2462 					     config->coordinates_x[i],
2463 					     config->height * config->width *
2464 					     sizeof(*config->coordinates_x[i]));
2465 			if (ret) {
2466 				dev_err(isp->dev,
2467 					"Failed to copy from User for x, ret %d\n",
2468 					ret);
2469 				atomisp_css_morph_table_free(tab);
2470 				return -EFAULT;
2471 			}
2472 			ret = copy_from_user(tab->coordinates_y[i],
2473 					     config->coordinates_y[i],
2474 					     config->height * config->width *
2475 					     sizeof(*config->coordinates_y[i]));
2476 			if (ret) {
2477 				dev_err(isp->dev,
2478 					"Failed to copy from User for y, ret is %d\n",
2479 					ret);
2480 				atomisp_css_morph_table_free(tab);
2481 				return -EFAULT;
2482 			}
2483 		}
2484 		asd->params.css_param.morph_table = tab;
2485 		if (asd->params.gdc_cac_en)
2486 			asd->params.config.morph_table = tab;
2487 	}
2488 
2489 	return 0;
2490 }
2491 
2492 int atomisp_macc_table(struct atomisp_sub_device *asd, int flag,
2493 		       struct atomisp_macc_config *config)
2494 {
2495 	struct ia_css_macc_table *macc_table;
2496 
2497 	switch (config->color_effect) {
2498 	case V4L2_COLORFX_NONE:
2499 		macc_table = &asd->params.css_param.macc_table;
2500 		break;
2501 	case V4L2_COLORFX_SKY_BLUE:
2502 		macc_table = &blue_macc_table;
2503 		break;
2504 	case V4L2_COLORFX_GRASS_GREEN:
2505 		macc_table = &green_macc_table;
2506 		break;
2507 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
2508 		macc_table = &skin_low_macc_table;
2509 		break;
2510 	case V4L2_COLORFX_SKIN_WHITEN:
2511 		macc_table = &skin_medium_macc_table;
2512 		break;
2513 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
2514 		macc_table = &skin_high_macc_table;
2515 		break;
2516 	default:
2517 		return -EINVAL;
2518 	}
2519 
2520 	if (flag == 0) {
2521 		/* Get macc table from current setup */
2522 		memcpy(&config->table, macc_table,
2523 		       sizeof(struct ia_css_macc_table));
2524 	} else {
2525 		memcpy(macc_table, &config->table,
2526 		       sizeof(struct ia_css_macc_table));
2527 		if (config->color_effect == asd->params.color_effect)
2528 			asd->params.config.macc_table = macc_table;
2529 	}
2530 
2531 	return 0;
2532 }
2533 
2534 int atomisp_set_dis_vector(struct atomisp_sub_device *asd,
2535 			   struct atomisp_dis_vector *vector)
2536 {
2537 	atomisp_css_video_set_dis_vector(asd, vector);
2538 
2539 	asd->params.dis_proj_data_valid = false;
2540 	asd->params.css_update_params_needed = true;
2541 	return 0;
2542 }
2543 
2544 /*
2545  * Function to set/get image stablization statistics
2546  */
2547 int atomisp_get_dis_stat(struct atomisp_sub_device *asd,
2548 			 struct atomisp_dis_statistics *stats)
2549 {
2550 	return atomisp_css_get_dis_stat(asd, stats);
2551 }
2552 
2553 /*
2554  * Function  set camrea_prefiles.xml current sensor pixel array size
2555  */
2556 int atomisp_set_array_res(struct atomisp_sub_device *asd,
2557 			  struct atomisp_resolution  *config)
2558 {
2559 	dev_dbg(asd->isp->dev, ">%s start\n", __func__);
2560 	if (!config) {
2561 		dev_err(asd->isp->dev, "Set sensor array size is not valid\n");
2562 		return -EINVAL;
2563 	}
2564 
2565 	asd->sensor_array_res.width = config->width;
2566 	asd->sensor_array_res.height = config->height;
2567 	return 0;
2568 }
2569 
2570 /*
2571  * Function to get DVS2 BQ resolution settings
2572  */
2573 int atomisp_get_dvs2_bq_resolutions(struct atomisp_sub_device *asd,
2574 				    struct atomisp_dvs2_bq_resolutions *bq_res)
2575 {
2576 	struct ia_css_pipe_config *pipe_cfg = NULL;
2577 	struct ia_css_stream_config *stream_cfg = NULL;
2578 	struct ia_css_stream_input_config *input_config = NULL;
2579 
2580 	struct ia_css_stream *stream =
2581 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
2582 	if (!stream) {
2583 		dev_warn(asd->isp->dev, "stream is not created");
2584 		return -EAGAIN;
2585 	}
2586 
2587 	pipe_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2588 		   .pipe_configs[IA_CSS_PIPE_ID_VIDEO];
2589 	stream_cfg = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
2590 		     .stream_config;
2591 	input_config = &stream_cfg->input_config;
2592 
2593 	if (!bq_res)
2594 		return -EINVAL;
2595 
2596 	/* the GDC output resolution */
2597 	bq_res->output_bq.width_bq = pipe_cfg->output_info[0].res.width / 2;
2598 	bq_res->output_bq.height_bq = pipe_cfg->output_info[0].res.height / 2;
2599 
2600 	bq_res->envelope_bq.width_bq = 0;
2601 	bq_res->envelope_bq.height_bq = 0;
2602 	/* the GDC input resolution */
2603 	if (!asd->continuous_mode->val) {
2604 		bq_res->source_bq.width_bq = bq_res->output_bq.width_bq +
2605 					     pipe_cfg->dvs_envelope.width / 2;
2606 		bq_res->source_bq.height_bq = bq_res->output_bq.height_bq +
2607 					      pipe_cfg->dvs_envelope.height / 2;
2608 		/*
2609 		 * Bad pixels caused by spatial filter processing
2610 		 * ISP filter resolution should be given by CSS/FW, but for now
2611 		 * there is not such API to query, and it is fixed value, so
2612 		 * hardcoded here.
2613 		 */
2614 		bq_res->ispfilter_bq.width_bq = 12 / 2;
2615 		bq_res->ispfilter_bq.height_bq = 12 / 2;
2616 		/* spatial filter shift, always 4 pixels */
2617 		bq_res->gdc_shift_bq.width_bq = 4 / 2;
2618 		bq_res->gdc_shift_bq.height_bq = 4 / 2;
2619 
2620 		if (asd->params.video_dis_en) {
2621 			bq_res->envelope_bq.width_bq = pipe_cfg->dvs_envelope.width
2622 						       / 2 - bq_res->ispfilter_bq.width_bq;
2623 			bq_res->envelope_bq.height_bq = pipe_cfg->dvs_envelope.height
2624 							/ 2 - bq_res->ispfilter_bq.height_bq;
2625 		}
2626 	} else {
2627 		unsigned int w_padding;
2628 		unsigned int gdc_effective_input = 0;
2629 
2630 		/* For GDC:
2631 		 * gdc_effective_input = effective_input + envelope
2632 		 *
2633 		 * From the comment and formula in BZ1786,
2634 		 * we see the source_bq should be:
2635 		 * effective_input / bayer_ds_ratio
2636 		 */
2637 		bq_res->source_bq.width_bq =
2638 		    (input_config->effective_res.width *
2639 		     pipe_cfg->bayer_ds_out_res.width /
2640 		     input_config->effective_res.width + 1) / 2;
2641 		bq_res->source_bq.height_bq =
2642 		    (input_config->effective_res.height *
2643 		     pipe_cfg->bayer_ds_out_res.height /
2644 		     input_config->effective_res.height + 1) / 2;
2645 
2646 		if (!asd->params.video_dis_en) {
2647 			/*
2648 			 * We adjust the ispfilter_bq to:
2649 			 * ispfilter_bq = 128/BDS
2650 			 * we still need firmware team to provide an offical
2651 			 * formula for SDV.
2652 			 */
2653 			bq_res->ispfilter_bq.width_bq = 128 *
2654 							pipe_cfg->bayer_ds_out_res.width /
2655 							input_config->effective_res.width / 2;
2656 			bq_res->ispfilter_bq.height_bq = 128 *
2657 							 pipe_cfg->bayer_ds_out_res.width /
2658 							 input_config->effective_res.width / 2;
2659 
2660 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2661 				/* No additional left padding for ISYS2401 */
2662 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2663 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2664 			} else {
2665 				/*
2666 				 * For the w_padding and gdc_shift_bq cacluation
2667 				 * Please see the BZ 1786 and 4358 for more info.
2668 				 * Just test that this formula can work now,
2669 				 * but we still have no offical formula.
2670 				 *
2671 				 * w_padding = ceiling(gdc_effective_input
2672 				 *             /128, 1) * 128 - effective_width
2673 				 * gdc_shift_bq = w_padding/BDS/2 + ispfilter_bq/2
2674 				 */
2675 				gdc_effective_input =
2676 				    input_config->effective_res.width +
2677 				    pipe_cfg->dvs_envelope.width;
2678 				w_padding = roundup(gdc_effective_input, 128) -
2679 					    input_config->effective_res.width;
2680 				w_padding = w_padding *
2681 					    pipe_cfg->bayer_ds_out_res.width /
2682 					    input_config->effective_res.width + 1;
2683 				w_padding = roundup(w_padding / 2, 1);
2684 
2685 				bq_res->gdc_shift_bq.width_bq = bq_res->ispfilter_bq.width_bq / 2
2686 								+ w_padding;
2687 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2688 			}
2689 		} else {
2690 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
2691 
2692 			bq_res->ispfilter_bq.width_bq = 8 / 2;
2693 			bq_res->ispfilter_bq.height_bq = 8 / 2;
2694 
2695 			if (IS_HWREVISION(asd->isp, ATOMISP_HW_REVISION_ISP2401)) {
2696 				/* No additional left padding for ISYS2401 */
2697 				bq_res->gdc_shift_bq.width_bq = 4 / 2;
2698 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2699 			} else {
2700 				w_padding =
2701 				    roundup(input_config->effective_res.width, 128) -
2702 				    input_config->effective_res.width;
2703 				if (w_padding < 12)
2704 					w_padding = 12;
2705 				bq_res->gdc_shift_bq.width_bq = 4 / 2 +
2706 								((w_padding - 12) *
2707 								 pipe_cfg->bayer_ds_out_res.width /
2708 								 input_config->effective_res.width + 1) / 2;
2709 				bq_res->gdc_shift_bq.height_bq = 4 / 2;
2710 			}
2711 
2712 			dvs_w = pipe_cfg->bayer_ds_out_res.width -
2713 				pipe_cfg->output_info[0].res.width;
2714 			dvs_h = pipe_cfg->bayer_ds_out_res.height -
2715 				pipe_cfg->output_info[0].res.height;
2716 			dvs_w_max = rounddown(
2717 					pipe_cfg->output_info[0].res.width / 5,
2718 					ATOM_ISP_STEP_WIDTH);
2719 			dvs_h_max = rounddown(
2720 					pipe_cfg->output_info[0].res.height / 5,
2721 					ATOM_ISP_STEP_HEIGHT);
2722 			bq_res->envelope_bq.width_bq =
2723 			    min((dvs_w / 2), (dvs_w_max / 2)) -
2724 			    bq_res->ispfilter_bq.width_bq;
2725 			bq_res->envelope_bq.height_bq =
2726 			    min((dvs_h / 2), (dvs_h_max / 2)) -
2727 			    bq_res->ispfilter_bq.height_bq;
2728 		}
2729 	}
2730 
2731 	dev_dbg(asd->isp->dev,
2732 		"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",
2733 		bq_res->source_bq.width_bq, bq_res->source_bq.height_bq,
2734 		bq_res->ispfilter_bq.width_bq, bq_res->ispfilter_bq.height_bq,
2735 		bq_res->gdc_shift_bq.width_bq, bq_res->gdc_shift_bq.height_bq,
2736 		bq_res->envelope_bq.width_bq, bq_res->envelope_bq.height_bq,
2737 		bq_res->output_bq.width_bq, bq_res->output_bq.height_bq);
2738 
2739 	return 0;
2740 }
2741 
2742 int atomisp_set_dis_coefs(struct atomisp_sub_device *asd,
2743 			  struct atomisp_dis_coefficients *coefs)
2744 {
2745 	return atomisp_css_set_dis_coefs(asd, coefs);
2746 }
2747 
2748 /*
2749  * Function to set/get 3A stat from isp
2750  */
2751 int atomisp_3a_stat(struct atomisp_sub_device *asd, int flag,
2752 		    struct atomisp_3a_statistics *config)
2753 {
2754 	struct atomisp_device *isp = asd->isp;
2755 	struct atomisp_s3a_buf *s3a_buf;
2756 	unsigned long ret;
2757 
2758 	if (flag != 0)
2759 		return -EINVAL;
2760 
2761 	/* sanity check to avoid writing into unallocated memory. */
2762 	if (asd->params.s3a_output_bytes == 0)
2763 		return -EINVAL;
2764 
2765 	if (atomisp_compare_grid(asd, &config->grid_info) != 0) {
2766 		/* If the grid info in the argument differs from the current
2767 		   grid info, we tell the caller to reset the grid size and
2768 		   try again. */
2769 		return -EAGAIN;
2770 	}
2771 
2772 	if (list_empty(&asd->s3a_stats_ready)) {
2773 		dev_err(isp->dev, "3a statistics is not valid.\n");
2774 		return -EAGAIN;
2775 	}
2776 
2777 	s3a_buf = list_entry(asd->s3a_stats_ready.next,
2778 			     struct atomisp_s3a_buf, list);
2779 	if (s3a_buf->s3a_map)
2780 		ia_css_translate_3a_statistics(
2781 		    asd->params.s3a_user_stat, s3a_buf->s3a_map);
2782 	else
2783 		ia_css_get_3a_statistics(asd->params.s3a_user_stat,
2784 					 s3a_buf->s3a_data);
2785 
2786 	config->exp_id = s3a_buf->s3a_data->exp_id;
2787 	config->isp_config_id = s3a_buf->s3a_data->isp_config_id;
2788 
2789 	ret = copy_to_user(config->data, asd->params.s3a_user_stat->data,
2790 			   asd->params.s3a_output_bytes);
2791 	if (ret) {
2792 		dev_err(isp->dev, "copy to user failed: copied %lu bytes\n",
2793 			ret);
2794 		return -EFAULT;
2795 	}
2796 
2797 	/* Move to free buffer list */
2798 	list_del_init(&s3a_buf->list);
2799 	list_add_tail(&s3a_buf->list, &asd->s3a_stats);
2800 	dev_dbg(isp->dev, "%s: finish getting exp_id %d 3a stat, isp_config_id %d\n",
2801 		__func__,
2802 		config->exp_id, config->isp_config_id);
2803 	return 0;
2804 }
2805 
2806 int atomisp_get_metadata(struct atomisp_sub_device *asd, int flag,
2807 			 struct atomisp_metadata *md)
2808 {
2809 	struct atomisp_device *isp = asd->isp;
2810 	struct ia_css_stream_config *stream_config;
2811 	struct ia_css_stream_info *stream_info;
2812 	struct camera_mipi_info *mipi_info;
2813 	struct atomisp_metadata_buf *md_buf;
2814 	enum atomisp_metadata_type md_type = ATOMISP_MAIN_METADATA;
2815 	int ret, i;
2816 
2817 	if (flag != 0)
2818 		return -EINVAL;
2819 
2820 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2821 			stream_config;
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_config *stream_config;
2890 	struct ia_css_stream_info *stream_info;
2891 	struct camera_mipi_info *mipi_info;
2892 	struct atomisp_metadata_buf *md_buf;
2893 	enum atomisp_metadata_type md_type;
2894 	int ret, i;
2895 
2896 	if (flag != 0)
2897 		return -EINVAL;
2898 
2899 	stream_config = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2900 			stream_config;
2901 	stream_info = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
2902 		      stream_info;
2903 
2904 	/* We always return the resolution and stride even if there is
2905 	 * no valid metadata. This allows the caller to get the information
2906 	 * needed to allocate user-space buffers. */
2907 	md->width  = stream_info->metadata_info.resolution.width;
2908 	md->height = stream_info->metadata_info.resolution.height;
2909 	md->stride = stream_info->metadata_info.stride;
2910 
2911 	/* sanity check to avoid writing into unallocated memory.
2912 	 * This does not return an error because it is a valid way
2913 	 * for applications to detect that metadata is not enabled. */
2914 	if (md->width == 0 || md->height == 0 || !md->data)
2915 		return 0;
2916 
2917 	md_type = md->type;
2918 	if (md_type < 0 || md_type >= ATOMISP_METADATA_TYPE_NUM)
2919 		return -EINVAL;
2920 
2921 	/* This is done in the atomisp_buf_done() */
2922 	if (list_empty(&asd->metadata_ready[md_type])) {
2923 		dev_warn(isp->dev, "Metadata queue is empty now!\n");
2924 		return -EAGAIN;
2925 	}
2926 
2927 	mipi_info = atomisp_to_sensor_mipi_info(
2928 			isp->inputs[asd->input_curr].camera);
2929 	if (!mipi_info)
2930 		return -EINVAL;
2931 
2932 	if (mipi_info->metadata_effective_width) {
2933 		for (i = 0; i < md->height; i++)
2934 			md->effective_width[i] =
2935 			    mipi_info->metadata_effective_width[i];
2936 	}
2937 
2938 	md_buf = list_entry(asd->metadata_ready[md_type].next,
2939 			    struct atomisp_metadata_buf, list);
2940 	md->exp_id = md_buf->metadata->exp_id;
2941 	if (md_buf->md_vptr) {
2942 		ret = copy_to_user(md->data,
2943 				   md_buf->md_vptr,
2944 				   stream_info->metadata_info.size);
2945 	} else {
2946 		hmm_load(md_buf->metadata->address,
2947 			 asd->params.metadata_user[md_type],
2948 			 stream_info->metadata_info.size);
2949 
2950 		ret = copy_to_user(md->data,
2951 				   asd->params.metadata_user[md_type],
2952 				   stream_info->metadata_info.size);
2953 	}
2954 	if (ret) {
2955 		dev_err(isp->dev, "copy to user failed: copied %d bytes\n",
2956 			ret);
2957 		return -EFAULT;
2958 	} else {
2959 		list_del_init(&md_buf->list);
2960 		list_add_tail(&md_buf->list, &asd->metadata[md_type]);
2961 	}
2962 	dev_dbg(isp->dev, "%s: HAL de-queued metadata type %d with exp_id %d\n",
2963 		__func__, md_type, md->exp_id);
2964 	return 0;
2965 }
2966 
2967 /*
2968  * Function to calculate real zoom region for every pipe
2969  */
2970 int atomisp_calculate_real_zoom_region(struct atomisp_sub_device *asd,
2971 				       struct ia_css_dz_config   *dz_config,
2972 				       enum ia_css_pipe_id css_pipe_id)
2973 
2974 {
2975 	struct atomisp_stream_env *stream_env =
2976 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL];
2977 	struct atomisp_resolution  eff_res, out_res;
2978 	int w_offset, h_offset;
2979 
2980 	memset(&eff_res, 0, sizeof(eff_res));
2981 	memset(&out_res, 0, sizeof(out_res));
2982 
2983 	if (dz_config->dx || dz_config->dy)
2984 		return 0;
2985 
2986 	if (css_pipe_id != IA_CSS_PIPE_ID_PREVIEW
2987 	    && css_pipe_id != IA_CSS_PIPE_ID_CAPTURE) {
2988 		dev_err(asd->isp->dev, "%s the set pipe no support crop region"
2989 			, __func__);
2990 		return -EINVAL;
2991 	}
2992 
2993 	eff_res.width =
2994 	    stream_env->stream_config.input_config.effective_res.width;
2995 	eff_res.height =
2996 	    stream_env->stream_config.input_config.effective_res.height;
2997 	if (eff_res.width == 0 || eff_res.height == 0) {
2998 		dev_err(asd->isp->dev, "%s err effective resolution"
2999 			, __func__);
3000 		return -EINVAL;
3001 	}
3002 
3003 	if (dz_config->zoom_region.resolution.width
3004 	    == asd->sensor_array_res.width
3005 	    || dz_config->zoom_region.resolution.height
3006 	    == asd->sensor_array_res.height) {
3007 		/*no need crop region*/
3008 		dz_config->zoom_region.origin.x = 0;
3009 		dz_config->zoom_region.origin.y = 0;
3010 		dz_config->zoom_region.resolution.width = eff_res.width;
3011 		dz_config->zoom_region.resolution.height = eff_res.height;
3012 		return 0;
3013 	}
3014 
3015 	/* FIXME:
3016 	 * This is not the correct implementation with Google's definition, due
3017 	 * to firmware limitation.
3018 	 * map real crop region base on above calculating base max crop region.
3019 	 */
3020 
3021 	if (!IS_ISP2401) {
3022 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3023 						  * eff_res.width
3024 						  / asd->sensor_array_res.width;
3025 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3026 						  * eff_res.height
3027 						  / asd->sensor_array_res.height;
3028 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3029 							  * eff_res.width
3030 							  / asd->sensor_array_res.width;
3031 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3032 							  * eff_res.height
3033 							  / asd->sensor_array_res.height;
3034 		/*
3035 		 * Set same ratio of crop region resolution and current pipe output
3036 		 * resolution
3037 		 */
3038 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3039 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3040 		if (out_res.width == 0 || out_res.height == 0) {
3041 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3042 				, __func__);
3043 			return -EINVAL;
3044 		}
3045 	} else {
3046 		out_res.width = stream_env->pipe_configs[css_pipe_id].output_info[0].res.width;
3047 		out_res.height = stream_env->pipe_configs[css_pipe_id].output_info[0].res.height;
3048 		if (out_res.width == 0 || out_res.height == 0) {
3049 			dev_err(asd->isp->dev, "%s err current pipe output resolution"
3050 				, __func__);
3051 			return -EINVAL;
3052 		}
3053 
3054 		if (asd->sensor_array_res.width * out_res.height
3055 		    < out_res.width * asd->sensor_array_res.height) {
3056 			h_offset = asd->sensor_array_res.height
3057 				   - asd->sensor_array_res.width
3058 				   * out_res.height / out_res.width;
3059 			h_offset = h_offset / 2;
3060 			if (dz_config->zoom_region.origin.y < h_offset)
3061 				dz_config->zoom_region.origin.y = 0;
3062 			else
3063 				dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y - h_offset;
3064 			w_offset = 0;
3065 		} else {
3066 			w_offset = asd->sensor_array_res.width
3067 				   - asd->sensor_array_res.height
3068 				   * out_res.width / out_res.height;
3069 			w_offset = w_offset / 2;
3070 			if (dz_config->zoom_region.origin.x < w_offset)
3071 				dz_config->zoom_region.origin.x = 0;
3072 			else
3073 				dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x - w_offset;
3074 			h_offset = 0;
3075 		}
3076 		dz_config->zoom_region.origin.x = dz_config->zoom_region.origin.x
3077 						  * eff_res.width
3078 						  / (asd->sensor_array_res.width - 2 * w_offset);
3079 		dz_config->zoom_region.origin.y = dz_config->zoom_region.origin.y
3080 						  * eff_res.height
3081 						  / (asd->sensor_array_res.height - 2 * h_offset);
3082 		dz_config->zoom_region.resolution.width = dz_config->zoom_region.resolution.width
3083 						  * eff_res.width
3084 						  / (asd->sensor_array_res.width - 2 * w_offset);
3085 		dz_config->zoom_region.resolution.height = dz_config->zoom_region.resolution.height
3086 						  * eff_res.height
3087 						  / (asd->sensor_array_res.height - 2 * h_offset);
3088 	}
3089 
3090 	if (out_res.width * dz_config->zoom_region.resolution.height
3091 	    > dz_config->zoom_region.resolution.width * out_res.height) {
3092 		dz_config->zoom_region.resolution.height =
3093 		    dz_config->zoom_region.resolution.width
3094 		    * out_res.height / out_res.width;
3095 	} else {
3096 		dz_config->zoom_region.resolution.width =
3097 		    dz_config->zoom_region.resolution.height
3098 		    * out_res.width / out_res.height;
3099 	}
3100 	dev_dbg(asd->isp->dev,
3101 		"%s crop region:(%d,%d),(%d,%d) eff_res(%d, %d) array_size(%d,%d) out_res(%d, %d)\n",
3102 		__func__, dz_config->zoom_region.origin.x,
3103 		dz_config->zoom_region.origin.y,
3104 		dz_config->zoom_region.resolution.width,
3105 		dz_config->zoom_region.resolution.height,
3106 		eff_res.width, eff_res.height,
3107 		asd->sensor_array_res.width,
3108 		asd->sensor_array_res.height,
3109 		out_res.width, out_res.height);
3110 
3111 	if ((dz_config->zoom_region.origin.x +
3112 	     dz_config->zoom_region.resolution.width
3113 	     > eff_res.width) ||
3114 	    (dz_config->zoom_region.origin.y +
3115 	     dz_config->zoom_region.resolution.height
3116 	     > eff_res.height))
3117 		return -EINVAL;
3118 
3119 	return 0;
3120 }
3121 
3122 /*
3123  * Function to check the zoom region whether is effective
3124  */
3125 static bool atomisp_check_zoom_region(
3126     struct atomisp_sub_device *asd,
3127     struct ia_css_dz_config *dz_config)
3128 {
3129 	struct atomisp_resolution  config;
3130 	bool flag = false;
3131 	unsigned int w, h;
3132 
3133 	memset(&config, 0, sizeof(struct atomisp_resolution));
3134 
3135 	if (dz_config->dx && dz_config->dy)
3136 		return true;
3137 
3138 	config.width = asd->sensor_array_res.width;
3139 	config.height = asd->sensor_array_res.height;
3140 	w = dz_config->zoom_region.origin.x +
3141 	    dz_config->zoom_region.resolution.width;
3142 	h = dz_config->zoom_region.origin.y +
3143 	    dz_config->zoom_region.resolution.height;
3144 
3145 	if ((w <= config.width) && (h <= config.height) && w > 0 && h > 0)
3146 		flag = true;
3147 	else
3148 		/* setting error zoom region */
3149 		dev_err(asd->isp->dev,
3150 			"%s zoom region ERROR:dz_config:(%d,%d),(%d,%d)array_res(%d, %d)\n",
3151 			__func__, dz_config->zoom_region.origin.x,
3152 			dz_config->zoom_region.origin.y,
3153 			dz_config->zoom_region.resolution.width,
3154 			dz_config->zoom_region.resolution.height,
3155 			config.width, config.height);
3156 
3157 	return flag;
3158 }
3159 
3160 void atomisp_apply_css_parameters(
3161     struct atomisp_sub_device *asd,
3162     struct atomisp_css_params *css_param)
3163 {
3164 	if (css_param->update_flag.wb_config)
3165 		asd->params.config.wb_config = &css_param->wb_config;
3166 
3167 	if (css_param->update_flag.ob_config)
3168 		asd->params.config.ob_config = &css_param->ob_config;
3169 
3170 	if (css_param->update_flag.dp_config)
3171 		asd->params.config.dp_config = &css_param->dp_config;
3172 
3173 	if (css_param->update_flag.nr_config)
3174 		asd->params.config.nr_config = &css_param->nr_config;
3175 
3176 	if (css_param->update_flag.ee_config)
3177 		asd->params.config.ee_config = &css_param->ee_config;
3178 
3179 	if (css_param->update_flag.tnr_config)
3180 		asd->params.config.tnr_config = &css_param->tnr_config;
3181 
3182 	if (css_param->update_flag.a3a_config)
3183 		asd->params.config.s3a_config = &css_param->s3a_config;
3184 
3185 	if (css_param->update_flag.ctc_config)
3186 		asd->params.config.ctc_config = &css_param->ctc_config;
3187 
3188 	if (css_param->update_flag.cnr_config)
3189 		asd->params.config.cnr_config = &css_param->cnr_config;
3190 
3191 	if (css_param->update_flag.ecd_config)
3192 		asd->params.config.ecd_config = &css_param->ecd_config;
3193 
3194 	if (css_param->update_flag.ynr_config)
3195 		asd->params.config.ynr_config = &css_param->ynr_config;
3196 
3197 	if (css_param->update_flag.fc_config)
3198 		asd->params.config.fc_config = &css_param->fc_config;
3199 
3200 	if (css_param->update_flag.macc_config)
3201 		asd->params.config.macc_config = &css_param->macc_config;
3202 
3203 	if (css_param->update_flag.aa_config)
3204 		asd->params.config.aa_config = &css_param->aa_config;
3205 
3206 	if (css_param->update_flag.anr_config)
3207 		asd->params.config.anr_config = &css_param->anr_config;
3208 
3209 	if (css_param->update_flag.xnr_config)
3210 		asd->params.config.xnr_config = &css_param->xnr_config;
3211 
3212 	if (css_param->update_flag.yuv2rgb_cc_config)
3213 		asd->params.config.yuv2rgb_cc_config = &css_param->yuv2rgb_cc_config;
3214 
3215 	if (css_param->update_flag.rgb2yuv_cc_config)
3216 		asd->params.config.rgb2yuv_cc_config = &css_param->rgb2yuv_cc_config;
3217 
3218 	if (css_param->update_flag.macc_table)
3219 		asd->params.config.macc_table = &css_param->macc_table;
3220 
3221 	if (css_param->update_flag.xnr_table)
3222 		asd->params.config.xnr_table = &css_param->xnr_table;
3223 
3224 	if (css_param->update_flag.r_gamma_table)
3225 		asd->params.config.r_gamma_table = &css_param->r_gamma_table;
3226 
3227 	if (css_param->update_flag.g_gamma_table)
3228 		asd->params.config.g_gamma_table = &css_param->g_gamma_table;
3229 
3230 	if (css_param->update_flag.b_gamma_table)
3231 		asd->params.config.b_gamma_table = &css_param->b_gamma_table;
3232 
3233 	if (css_param->update_flag.anr_thres)
3234 		atomisp_css_set_anr_thres(asd, &css_param->anr_thres);
3235 
3236 	if (css_param->update_flag.shading_table)
3237 		asd->params.config.shading_table = css_param->shading_table;
3238 
3239 	if (css_param->update_flag.morph_table && asd->params.gdc_cac_en)
3240 		asd->params.config.morph_table = css_param->morph_table;
3241 
3242 	if (css_param->update_flag.dvs2_coefs) {
3243 		struct ia_css_dvs_grid_info *dvs_grid_info =
3244 		    atomisp_css_get_dvs_grid_info(
3245 			&asd->params.curr_grid_info);
3246 
3247 		if (dvs_grid_info && dvs_grid_info->enable)
3248 			atomisp_css_set_dvs2_coefs(asd, css_param->dvs2_coeff);
3249 	}
3250 
3251 	if (css_param->update_flag.dvs_6axis_config)
3252 		atomisp_css_set_dvs_6axis(asd, css_param->dvs_6axis);
3253 
3254 	atomisp_css_set_isp_config_id(asd, css_param->isp_config_id);
3255 	/*
3256 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3257 	 * so do not handle them. see comments of ia_css_isp_config.
3258 	 * 1 cc_config
3259 	 * 2 ce_config
3260 	 * 3 de_config
3261 	 * 4 gc_config
3262 	 * 5 gamma_table
3263 	 * 6 ctc_table
3264 	 * 7 dvs_coefs
3265 	 */
3266 }
3267 
3268 static unsigned int long copy_from_compatible(void *to, const void *from,
3269 	unsigned long n, bool from_user)
3270 {
3271 	if (from_user)
3272 		return copy_from_user(to, (void __user *)from, n);
3273 	else
3274 		memcpy(to, from, n);
3275 	return 0;
3276 }
3277 
3278 int atomisp_cp_general_isp_parameters(struct atomisp_sub_device *asd,
3279 				      struct atomisp_parameters *arg,
3280 				      struct atomisp_css_params *css_param,
3281 				      bool from_user)
3282 {
3283 	struct atomisp_parameters *cur_config = &css_param->update_flag;
3284 
3285 	if (!arg || !asd || !css_param)
3286 		return -EINVAL;
3287 
3288 	if (arg->wb_config && (from_user || !cur_config->wb_config)) {
3289 		if (copy_from_compatible(&css_param->wb_config, arg->wb_config,
3290 					 sizeof(struct ia_css_wb_config),
3291 					 from_user))
3292 			return -EFAULT;
3293 		css_param->update_flag.wb_config =
3294 		    (struct atomisp_wb_config *)&css_param->wb_config;
3295 	}
3296 
3297 	if (arg->ob_config && (from_user || !cur_config->ob_config)) {
3298 		if (copy_from_compatible(&css_param->ob_config, arg->ob_config,
3299 					 sizeof(struct ia_css_ob_config),
3300 					 from_user))
3301 			return -EFAULT;
3302 		css_param->update_flag.ob_config =
3303 		    (struct atomisp_ob_config *)&css_param->ob_config;
3304 	}
3305 
3306 	if (arg->dp_config && (from_user || !cur_config->dp_config)) {
3307 		if (copy_from_compatible(&css_param->dp_config, arg->dp_config,
3308 					 sizeof(struct ia_css_dp_config),
3309 					 from_user))
3310 			return -EFAULT;
3311 		css_param->update_flag.dp_config =
3312 		    (struct atomisp_dp_config *)&css_param->dp_config;
3313 	}
3314 
3315 	if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
3316 		if (arg->dz_config && (from_user || !cur_config->dz_config)) {
3317 			if (copy_from_compatible(&css_param->dz_config,
3318 						 arg->dz_config,
3319 						 sizeof(struct ia_css_dz_config),
3320 						 from_user))
3321 				return -EFAULT;
3322 			if (!atomisp_check_zoom_region(asd,
3323 						       &css_param->dz_config)) {
3324 				dev_err(asd->isp->dev, "crop region error!");
3325 				return -EINVAL;
3326 			}
3327 			css_param->update_flag.dz_config =
3328 			    (struct atomisp_dz_config *)
3329 			    &css_param->dz_config;
3330 		}
3331 	}
3332 
3333 	if (arg->nr_config && (from_user || !cur_config->nr_config)) {
3334 		if (copy_from_compatible(&css_param->nr_config, arg->nr_config,
3335 					 sizeof(struct ia_css_nr_config),
3336 					 from_user))
3337 			return -EFAULT;
3338 		css_param->update_flag.nr_config =
3339 		    (struct atomisp_nr_config *)&css_param->nr_config;
3340 	}
3341 
3342 	if (arg->ee_config && (from_user || !cur_config->ee_config)) {
3343 		if (copy_from_compatible(&css_param->ee_config, arg->ee_config,
3344 					 sizeof(struct ia_css_ee_config),
3345 					 from_user))
3346 			return -EFAULT;
3347 		css_param->update_flag.ee_config =
3348 		    (struct atomisp_ee_config *)&css_param->ee_config;
3349 	}
3350 
3351 	if (arg->tnr_config && (from_user || !cur_config->tnr_config)) {
3352 		if (copy_from_compatible(&css_param->tnr_config,
3353 					 arg->tnr_config,
3354 					 sizeof(struct ia_css_tnr_config),
3355 					 from_user))
3356 			return -EFAULT;
3357 		css_param->update_flag.tnr_config =
3358 		    (struct atomisp_tnr_config *)
3359 		    &css_param->tnr_config;
3360 	}
3361 
3362 	if (arg->a3a_config && (from_user || !cur_config->a3a_config)) {
3363 		if (copy_from_compatible(&css_param->s3a_config,
3364 					 arg->a3a_config,
3365 					 sizeof(struct ia_css_3a_config),
3366 					 from_user))
3367 			return -EFAULT;
3368 		css_param->update_flag.a3a_config =
3369 		    (struct atomisp_3a_config *)&css_param->s3a_config;
3370 	}
3371 
3372 	if (arg->ctc_config && (from_user || !cur_config->ctc_config)) {
3373 		if (copy_from_compatible(&css_param->ctc_config,
3374 					 arg->ctc_config,
3375 					 sizeof(struct ia_css_ctc_config),
3376 					 from_user))
3377 			return -EFAULT;
3378 		css_param->update_flag.ctc_config =
3379 		    (struct atomisp_ctc_config *)
3380 		    &css_param->ctc_config;
3381 	}
3382 
3383 	if (arg->cnr_config && (from_user || !cur_config->cnr_config)) {
3384 		if (copy_from_compatible(&css_param->cnr_config,
3385 					 arg->cnr_config,
3386 					 sizeof(struct ia_css_cnr_config),
3387 					 from_user))
3388 			return -EFAULT;
3389 		css_param->update_flag.cnr_config =
3390 		    (struct atomisp_cnr_config *)
3391 		    &css_param->cnr_config;
3392 	}
3393 
3394 	if (arg->ecd_config && (from_user || !cur_config->ecd_config)) {
3395 		if (copy_from_compatible(&css_param->ecd_config,
3396 					 arg->ecd_config,
3397 					 sizeof(struct ia_css_ecd_config),
3398 					 from_user))
3399 			return -EFAULT;
3400 		css_param->update_flag.ecd_config =
3401 		    (struct atomisp_ecd_config *)
3402 		    &css_param->ecd_config;
3403 	}
3404 
3405 	if (arg->ynr_config && (from_user || !cur_config->ynr_config)) {
3406 		if (copy_from_compatible(&css_param->ynr_config,
3407 					 arg->ynr_config,
3408 					 sizeof(struct ia_css_ynr_config),
3409 					 from_user))
3410 			return -EFAULT;
3411 		css_param->update_flag.ynr_config =
3412 		    (struct atomisp_ynr_config *)
3413 		    &css_param->ynr_config;
3414 	}
3415 
3416 	if (arg->fc_config && (from_user || !cur_config->fc_config)) {
3417 		if (copy_from_compatible(&css_param->fc_config,
3418 					 arg->fc_config,
3419 					 sizeof(struct ia_css_fc_config),
3420 					 from_user))
3421 			return -EFAULT;
3422 		css_param->update_flag.fc_config =
3423 		    (struct atomisp_fc_config *)&css_param->fc_config;
3424 	}
3425 
3426 	if (arg->macc_config && (from_user || !cur_config->macc_config)) {
3427 		if (copy_from_compatible(&css_param->macc_config,
3428 					 arg->macc_config,
3429 					 sizeof(struct ia_css_macc_config),
3430 					 from_user))
3431 			return -EFAULT;
3432 		css_param->update_flag.macc_config =
3433 		    (struct atomisp_macc_config *)
3434 		    &css_param->macc_config;
3435 	}
3436 
3437 	if (arg->aa_config && (from_user || !cur_config->aa_config)) {
3438 		if (copy_from_compatible(&css_param->aa_config, arg->aa_config,
3439 					 sizeof(struct ia_css_aa_config),
3440 					 from_user))
3441 			return -EFAULT;
3442 		css_param->update_flag.aa_config =
3443 		    (struct atomisp_aa_config *)&css_param->aa_config;
3444 	}
3445 
3446 	if (arg->anr_config && (from_user || !cur_config->anr_config)) {
3447 		if (copy_from_compatible(&css_param->anr_config,
3448 					 arg->anr_config,
3449 					 sizeof(struct ia_css_anr_config),
3450 					 from_user))
3451 			return -EFAULT;
3452 		css_param->update_flag.anr_config =
3453 		    (struct atomisp_anr_config *)
3454 		    &css_param->anr_config;
3455 	}
3456 
3457 	if (arg->xnr_config && (from_user || !cur_config->xnr_config)) {
3458 		if (copy_from_compatible(&css_param->xnr_config,
3459 					 arg->xnr_config,
3460 					 sizeof(struct ia_css_xnr_config),
3461 					 from_user))
3462 			return -EFAULT;
3463 		css_param->update_flag.xnr_config =
3464 		    (struct atomisp_xnr_config *)
3465 		    &css_param->xnr_config;
3466 	}
3467 
3468 	if (arg->yuv2rgb_cc_config &&
3469 	    (from_user || !cur_config->yuv2rgb_cc_config)) {
3470 		if (copy_from_compatible(&css_param->yuv2rgb_cc_config,
3471 					 arg->yuv2rgb_cc_config,
3472 					 sizeof(struct ia_css_cc_config),
3473 					 from_user))
3474 			return -EFAULT;
3475 		css_param->update_flag.yuv2rgb_cc_config =
3476 		    (struct atomisp_cc_config *)
3477 		    &css_param->yuv2rgb_cc_config;
3478 	}
3479 
3480 	if (arg->rgb2yuv_cc_config &&
3481 	    (from_user || !cur_config->rgb2yuv_cc_config)) {
3482 		if (copy_from_compatible(&css_param->rgb2yuv_cc_config,
3483 					 arg->rgb2yuv_cc_config,
3484 					 sizeof(struct ia_css_cc_config),
3485 					 from_user))
3486 			return -EFAULT;
3487 		css_param->update_flag.rgb2yuv_cc_config =
3488 		    (struct atomisp_cc_config *)
3489 		    &css_param->rgb2yuv_cc_config;
3490 	}
3491 
3492 	if (arg->macc_table && (from_user || !cur_config->macc_table)) {
3493 		if (copy_from_compatible(&css_param->macc_table,
3494 					 arg->macc_table,
3495 					 sizeof(struct ia_css_macc_table),
3496 					 from_user))
3497 			return -EFAULT;
3498 		css_param->update_flag.macc_table =
3499 		    (struct atomisp_macc_table *)
3500 		    &css_param->macc_table;
3501 	}
3502 
3503 	if (arg->xnr_table && (from_user || !cur_config->xnr_table)) {
3504 		if (copy_from_compatible(&css_param->xnr_table,
3505 					 arg->xnr_table,
3506 					 sizeof(struct ia_css_xnr_table),
3507 					 from_user))
3508 			return -EFAULT;
3509 		css_param->update_flag.xnr_table =
3510 		    (struct atomisp_xnr_table *)&css_param->xnr_table;
3511 	}
3512 
3513 	if (arg->r_gamma_table && (from_user || !cur_config->r_gamma_table)) {
3514 		if (copy_from_compatible(&css_param->r_gamma_table,
3515 					 arg->r_gamma_table,
3516 					 sizeof(struct ia_css_rgb_gamma_table),
3517 					 from_user))
3518 			return -EFAULT;
3519 		css_param->update_flag.r_gamma_table =
3520 		    (struct atomisp_rgb_gamma_table *)
3521 		    &css_param->r_gamma_table;
3522 	}
3523 
3524 	if (arg->g_gamma_table && (from_user || !cur_config->g_gamma_table)) {
3525 		if (copy_from_compatible(&css_param->g_gamma_table,
3526 					 arg->g_gamma_table,
3527 					 sizeof(struct ia_css_rgb_gamma_table),
3528 					 from_user))
3529 			return -EFAULT;
3530 		css_param->update_flag.g_gamma_table =
3531 		    (struct atomisp_rgb_gamma_table *)
3532 		    &css_param->g_gamma_table;
3533 	}
3534 
3535 	if (arg->b_gamma_table && (from_user || !cur_config->b_gamma_table)) {
3536 		if (copy_from_compatible(&css_param->b_gamma_table,
3537 					 arg->b_gamma_table,
3538 					 sizeof(struct ia_css_rgb_gamma_table),
3539 					 from_user))
3540 			return -EFAULT;
3541 		css_param->update_flag.b_gamma_table =
3542 		    (struct atomisp_rgb_gamma_table *)
3543 		    &css_param->b_gamma_table;
3544 	}
3545 
3546 	if (arg->anr_thres && (from_user || !cur_config->anr_thres)) {
3547 		if (copy_from_compatible(&css_param->anr_thres, arg->anr_thres,
3548 					 sizeof(struct ia_css_anr_thres),
3549 					 from_user))
3550 			return -EFAULT;
3551 		css_param->update_flag.anr_thres =
3552 		    (struct atomisp_anr_thres *)&css_param->anr_thres;
3553 	}
3554 
3555 	if (from_user)
3556 		css_param->isp_config_id = arg->isp_config_id;
3557 	/*
3558 	 * These configurations are on used by ISP1.x, not for ISP2.x,
3559 	 * so do not handle them. see comments of ia_css_isp_config.
3560 	 * 1 cc_config
3561 	 * 2 ce_config
3562 	 * 3 de_config
3563 	 * 4 gc_config
3564 	 * 5 gamma_table
3565 	 * 6 ctc_table
3566 	 * 7 dvs_coefs
3567 	 */
3568 	return 0;
3569 }
3570 
3571 int atomisp_cp_lsc_table(struct atomisp_sub_device *asd,
3572 			 struct atomisp_shading_table *source_st,
3573 			 struct atomisp_css_params *css_param,
3574 			 bool from_user)
3575 {
3576 	unsigned int i;
3577 	unsigned int len_table;
3578 	struct ia_css_shading_table *shading_table;
3579 	struct ia_css_shading_table *old_table;
3580 	struct atomisp_shading_table *st, dest_st;
3581 
3582 	if (!source_st)
3583 		return 0;
3584 
3585 	if (!css_param)
3586 		return -EINVAL;
3587 
3588 	if (!from_user && css_param->update_flag.shading_table)
3589 		return 0;
3590 
3591 	if (IS_ISP2401) {
3592 		if (copy_from_compatible(&dest_st, source_st,
3593 					sizeof(struct atomisp_shading_table),
3594 					from_user)) {
3595 			dev_err(asd->isp->dev, "copy shading table failed!");
3596 			return -EFAULT;
3597 		}
3598 		st = &dest_st;
3599 	} else {
3600 		st = source_st;
3601 	}
3602 
3603 	old_table = css_param->shading_table;
3604 
3605 	/* user config is to disable the shading table. */
3606 	if (!st->enable) {
3607 		/* Generate a minimum table with enable = 0. */
3608 		shading_table = atomisp_css_shading_table_alloc(1, 1);
3609 		if (!shading_table)
3610 			return -ENOMEM;
3611 		shading_table->enable = 0;
3612 		goto set_lsc;
3613 	}
3614 
3615 	/* Setting a new table. Validate first - all tables must be set */
3616 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3617 		if (!st->data[i]) {
3618 			dev_err(asd->isp->dev, "shading table validate failed");
3619 			return -EINVAL;
3620 		}
3621 	}
3622 
3623 	/* Shading table size per color */
3624 	if (!IS_ISP2401) {
3625 		if (st->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3626 		    st->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3627 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3628 			return -EINVAL;
3629 		}
3630 	} else {
3631 		if (st->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
3632 		    st->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR) {
3633 			dev_err(asd->isp->dev, "shading table w/h validate failed!");
3634 			return -EINVAL;
3635 		}
3636 	}
3637 
3638 	shading_table = atomisp_css_shading_table_alloc(st->width, st->height);
3639 	if (!shading_table)
3640 		return -ENOMEM;
3641 
3642 	len_table = st->width * st->height * ATOMISP_SC_TYPE_SIZE;
3643 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3644 		if (copy_from_compatible(shading_table->data[i],
3645 					 st->data[i], len_table, from_user)) {
3646 			atomisp_css_shading_table_free(shading_table);
3647 			return -EFAULT;
3648 		}
3649 	}
3650 	shading_table->sensor_width = st->sensor_width;
3651 	shading_table->sensor_height = st->sensor_height;
3652 	shading_table->fraction_bits = st->fraction_bits;
3653 	shading_table->enable = st->enable;
3654 
3655 	/* No need to update shading table if it is the same */
3656 	if (old_table &&
3657 	    old_table->sensor_width == shading_table->sensor_width &&
3658 	    old_table->sensor_height == shading_table->sensor_height &&
3659 	    old_table->width == shading_table->width &&
3660 	    old_table->height == shading_table->height &&
3661 	    old_table->fraction_bits == shading_table->fraction_bits &&
3662 	    old_table->enable == shading_table->enable) {
3663 		bool data_is_same = true;
3664 
3665 		for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
3666 			if (memcmp(shading_table->data[i], old_table->data[i],
3667 				   len_table) != 0) {
3668 				data_is_same = false;
3669 				break;
3670 			}
3671 		}
3672 
3673 		if (data_is_same) {
3674 			atomisp_css_shading_table_free(shading_table);
3675 			return 0;
3676 		}
3677 	}
3678 
3679 set_lsc:
3680 	/* set LSC to CSS */
3681 	css_param->shading_table = shading_table;
3682 	css_param->update_flag.shading_table = (struct atomisp_shading_table *)shading_table;
3683 	asd->params.sc_en = shading_table;
3684 
3685 	if (old_table)
3686 		atomisp_css_shading_table_free(old_table);
3687 
3688 	return 0;
3689 }
3690 
3691 int atomisp_css_cp_dvs2_coefs(struct atomisp_sub_device *asd,
3692 			      struct ia_css_dvs2_coefficients *coefs,
3693 			      struct atomisp_css_params *css_param,
3694 			      bool from_user)
3695 {
3696 	struct ia_css_dvs_grid_info *cur =
3697 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3698 	int dvs_hor_coef_bytes, dvs_ver_coef_bytes;
3699 	struct ia_css_dvs2_coefficients dvs2_coefs;
3700 
3701 	if (!coefs || !cur)
3702 		return 0;
3703 
3704 	if (!from_user && css_param->update_flag.dvs2_coefs)
3705 		return 0;
3706 
3707 	if (!IS_ISP2401) {
3708 		if (sizeof(*cur) != sizeof(coefs->grid) ||
3709 		    memcmp(&coefs->grid, cur, sizeof(coefs->grid))) {
3710 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3711 			/* If the grid info in the argument differs from the current
3712 			grid info, we tell the caller to reset the grid size and
3713 			try again. */
3714 			return -EAGAIN;
3715 		}
3716 
3717 		if (!coefs->hor_coefs.odd_real ||
3718 		    !coefs->hor_coefs.odd_imag ||
3719 		    !coefs->hor_coefs.even_real ||
3720 		    !coefs->hor_coefs.even_imag ||
3721 		    !coefs->ver_coefs.odd_real ||
3722 		    !coefs->ver_coefs.odd_imag ||
3723 		    !coefs->ver_coefs.even_real ||
3724 		    !coefs->ver_coefs.even_imag)
3725 			return -EINVAL;
3726 
3727 		if (!css_param->dvs2_coeff) {
3728 			/* DIS coefficients. */
3729 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3730 			if (!css_param->dvs2_coeff)
3731 				return -ENOMEM;
3732 		}
3733 
3734 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3735 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3736 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3737 					coefs->hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3738 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3739 					coefs->hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3740 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3741 					coefs->hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3742 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3743 					coefs->hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3744 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3745 					coefs->ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3746 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3747 					coefs->ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3748 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3749 					coefs->ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3750 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3751 					coefs->ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3752 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3753 			css_param->dvs2_coeff = NULL;
3754 			return -EFAULT;
3755 		}
3756 	} else {
3757 		if (copy_from_compatible(&dvs2_coefs, coefs,
3758 					sizeof(struct ia_css_dvs2_coefficients),
3759 					from_user)) {
3760 			dev_err(asd->isp->dev, "copy dvs2 coef failed");
3761 			return -EFAULT;
3762 		}
3763 
3764 		if (sizeof(*cur) != sizeof(dvs2_coefs.grid) ||
3765 		    memcmp(&dvs2_coefs.grid, cur, sizeof(dvs2_coefs.grid))) {
3766 			dev_err(asd->isp->dev, "dvs grid mis-match!\n");
3767 			/* If the grid info in the argument differs from the current
3768 			grid info, we tell the caller to reset the grid size and
3769 			try again. */
3770 			return -EAGAIN;
3771 		}
3772 
3773 		if (!dvs2_coefs.hor_coefs.odd_real ||
3774 		    !dvs2_coefs.hor_coefs.odd_imag ||
3775 		    !dvs2_coefs.hor_coefs.even_real ||
3776 		    !dvs2_coefs.hor_coefs.even_imag ||
3777 		    !dvs2_coefs.ver_coefs.odd_real ||
3778 		    !dvs2_coefs.ver_coefs.odd_imag ||
3779 		    !dvs2_coefs.ver_coefs.even_real ||
3780 		    !dvs2_coefs.ver_coefs.even_imag)
3781 			return -EINVAL;
3782 
3783 		if (!css_param->dvs2_coeff) {
3784 			/* DIS coefficients. */
3785 			css_param->dvs2_coeff = ia_css_dvs2_coefficients_allocate(cur);
3786 			if (!css_param->dvs2_coeff)
3787 				return -ENOMEM;
3788 		}
3789 
3790 		dvs_hor_coef_bytes = asd->params.dvs_hor_coef_bytes;
3791 		dvs_ver_coef_bytes = asd->params.dvs_ver_coef_bytes;
3792 		if (copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_real,
3793 					dvs2_coefs.hor_coefs.odd_real, dvs_hor_coef_bytes, from_user) ||
3794 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.odd_imag,
3795 					dvs2_coefs.hor_coefs.odd_imag, dvs_hor_coef_bytes, from_user) ||
3796 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_real,
3797 					dvs2_coefs.hor_coefs.even_real, dvs_hor_coef_bytes, from_user) ||
3798 		    copy_from_compatible(css_param->dvs2_coeff->hor_coefs.even_imag,
3799 					dvs2_coefs.hor_coefs.even_imag, dvs_hor_coef_bytes, from_user) ||
3800 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_real,
3801 					dvs2_coefs.ver_coefs.odd_real, dvs_ver_coef_bytes, from_user) ||
3802 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.odd_imag,
3803 					dvs2_coefs.ver_coefs.odd_imag, dvs_ver_coef_bytes, from_user) ||
3804 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_real,
3805 					dvs2_coefs.ver_coefs.even_real, dvs_ver_coef_bytes, from_user) ||
3806 		    copy_from_compatible(css_param->dvs2_coeff->ver_coefs.even_imag,
3807 					dvs2_coefs.ver_coefs.even_imag, dvs_ver_coef_bytes, from_user)) {
3808 			ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
3809 			css_param->dvs2_coeff = NULL;
3810 			return -EFAULT;
3811 		}
3812 	}
3813 
3814 	css_param->update_flag.dvs2_coefs =
3815 	    (struct atomisp_dis_coefficients *)css_param->dvs2_coeff;
3816 	return 0;
3817 }
3818 
3819 int atomisp_cp_dvs_6axis_config(struct atomisp_sub_device *asd,
3820 				struct atomisp_dvs_6axis_config *source_6axis_config,
3821 				struct atomisp_css_params *css_param,
3822 				bool from_user)
3823 {
3824 	struct ia_css_dvs_6axis_config *dvs_6axis_config;
3825 	struct ia_css_dvs_6axis_config *old_6axis_config;
3826 	struct ia_css_stream *stream =
3827 		    asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream;
3828 	struct ia_css_dvs_grid_info *dvs_grid_info =
3829 	    atomisp_css_get_dvs_grid_info(&asd->params.curr_grid_info);
3830 	int ret = -EFAULT;
3831 
3832 	if (!stream) {
3833 		dev_err(asd->isp->dev, "%s: internal error!", __func__);
3834 		return -EINVAL;
3835 	}
3836 
3837 	if (!source_6axis_config || !dvs_grid_info)
3838 		return 0;
3839 
3840 	if (!dvs_grid_info->enable)
3841 		return 0;
3842 
3843 	if (!from_user && css_param->update_flag.dvs_6axis_config)
3844 		return 0;
3845 
3846 	/* check whether need to reallocate for 6 axis config */
3847 	old_6axis_config = css_param->dvs_6axis;
3848 	dvs_6axis_config = old_6axis_config;
3849 
3850 	if (IS_ISP2401) {
3851 		struct ia_css_dvs_6axis_config t_6axis_config;
3852 
3853 		if (copy_from_compatible(&t_6axis_config, source_6axis_config,
3854 					sizeof(struct atomisp_dvs_6axis_config),
3855 					from_user)) {
3856 			dev_err(asd->isp->dev, "copy morph table failed!");
3857 			return -EFAULT;
3858 		}
3859 
3860 		if (old_6axis_config &&
3861 		    (old_6axis_config->width_y != t_6axis_config.width_y ||
3862 		    old_6axis_config->height_y != t_6axis_config.height_y ||
3863 		    old_6axis_config->width_uv != t_6axis_config.width_uv ||
3864 		    old_6axis_config->height_uv != t_6axis_config.height_uv)) {
3865 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3866 			css_param->dvs_6axis = NULL;
3867 
3868 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3869 			if (!dvs_6axis_config)
3870 				return -ENOMEM;
3871 		} else if (!dvs_6axis_config) {
3872 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3873 			if (!dvs_6axis_config)
3874 				return -ENOMEM;
3875 		}
3876 
3877 		dvs_6axis_config->exp_id = t_6axis_config.exp_id;
3878 
3879 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3880 					t_6axis_config.xcoords_y,
3881 					t_6axis_config.width_y *
3882 					t_6axis_config.height_y *
3883 					sizeof(*dvs_6axis_config->xcoords_y),
3884 					from_user))
3885 			goto error;
3886 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3887 					t_6axis_config.ycoords_y,
3888 					t_6axis_config.width_y *
3889 					t_6axis_config.height_y *
3890 					sizeof(*dvs_6axis_config->ycoords_y),
3891 					from_user))
3892 			goto error;
3893 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3894 					t_6axis_config.xcoords_uv,
3895 					t_6axis_config.width_uv *
3896 					t_6axis_config.height_uv *
3897 					sizeof(*dvs_6axis_config->xcoords_uv),
3898 					from_user))
3899 			goto error;
3900 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3901 					t_6axis_config.ycoords_uv,
3902 					t_6axis_config.width_uv *
3903 					t_6axis_config.height_uv *
3904 					sizeof(*dvs_6axis_config->ycoords_uv),
3905 					from_user))
3906 			goto error;
3907 	} else {
3908 		if (old_6axis_config &&
3909 		    (old_6axis_config->width_y != source_6axis_config->width_y ||
3910 		    old_6axis_config->height_y != source_6axis_config->height_y ||
3911 		    old_6axis_config->width_uv != source_6axis_config->width_uv ||
3912 		    old_6axis_config->height_uv != source_6axis_config->height_uv)) {
3913 			ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
3914 			css_param->dvs_6axis = NULL;
3915 
3916 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3917 			if (!dvs_6axis_config)
3918 				return -ENOMEM;
3919 		} else if (!dvs_6axis_config) {
3920 			dvs_6axis_config = ia_css_dvs2_6axis_config_allocate(stream);
3921 			if (!dvs_6axis_config)
3922 				return -ENOMEM;
3923 		}
3924 
3925 		dvs_6axis_config->exp_id = source_6axis_config->exp_id;
3926 
3927 		if (copy_from_compatible(dvs_6axis_config->xcoords_y,
3928 					source_6axis_config->xcoords_y,
3929 					source_6axis_config->width_y *
3930 					source_6axis_config->height_y *
3931 					sizeof(*source_6axis_config->xcoords_y),
3932 					from_user))
3933 			goto error;
3934 		if (copy_from_compatible(dvs_6axis_config->ycoords_y,
3935 					source_6axis_config->ycoords_y,
3936 					source_6axis_config->width_y *
3937 					source_6axis_config->height_y *
3938 					sizeof(*source_6axis_config->ycoords_y),
3939 					from_user))
3940 			goto error;
3941 		if (copy_from_compatible(dvs_6axis_config->xcoords_uv,
3942 					source_6axis_config->xcoords_uv,
3943 					source_6axis_config->width_uv *
3944 					source_6axis_config->height_uv *
3945 					sizeof(*source_6axis_config->xcoords_uv),
3946 					from_user))
3947 			goto error;
3948 		if (copy_from_compatible(dvs_6axis_config->ycoords_uv,
3949 					source_6axis_config->ycoords_uv,
3950 					source_6axis_config->width_uv *
3951 					source_6axis_config->height_uv *
3952 					sizeof(*source_6axis_config->ycoords_uv),
3953 					from_user))
3954 			goto error;
3955 	}
3956 	css_param->dvs_6axis = dvs_6axis_config;
3957 	css_param->update_flag.dvs_6axis_config =
3958 	    (struct atomisp_dvs_6axis_config *)dvs_6axis_config;
3959 	return 0;
3960 
3961 error:
3962 	if (dvs_6axis_config)
3963 		ia_css_dvs2_6axis_config_free(dvs_6axis_config);
3964 	return ret;
3965 }
3966 
3967 int atomisp_cp_morph_table(struct atomisp_sub_device *asd,
3968 			   struct atomisp_morph_table *source_morph_table,
3969 			   struct atomisp_css_params *css_param,
3970 			   bool from_user)
3971 {
3972 	int ret = -EFAULT;
3973 	unsigned int i;
3974 	struct ia_css_morph_table *morph_table;
3975 	struct ia_css_morph_table *old_morph_table;
3976 
3977 	if (!source_morph_table)
3978 		return 0;
3979 
3980 	if (!from_user && css_param->update_flag.morph_table)
3981 		return 0;
3982 
3983 	old_morph_table = css_param->morph_table;
3984 
3985 	if (IS_ISP2401) {
3986 		struct ia_css_morph_table mtbl;
3987 
3988 		if (copy_from_compatible(&mtbl, source_morph_table,
3989 				sizeof(struct atomisp_morph_table),
3990 				from_user)) {
3991 			dev_err(asd->isp->dev, "copy morph table failed!");
3992 			return -EFAULT;
3993 		}
3994 
3995 		morph_table = atomisp_css_morph_table_allocate(
3996 				mtbl.width,
3997 				mtbl.height);
3998 		if (!morph_table)
3999 			return -ENOMEM;
4000 
4001 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4002 			if (copy_from_compatible(morph_table->coordinates_x[i],
4003 						(__force void *)source_morph_table->coordinates_x[i],
4004 						mtbl.height * mtbl.width *
4005 						sizeof(*morph_table->coordinates_x[i]),
4006 						from_user))
4007 				goto error;
4008 
4009 			if (copy_from_compatible(morph_table->coordinates_y[i],
4010 						(__force void *)source_morph_table->coordinates_y[i],
4011 						mtbl.height * mtbl.width *
4012 						sizeof(*morph_table->coordinates_y[i]),
4013 						from_user))
4014 				goto error;
4015 		}
4016 	} else {
4017 		morph_table = atomisp_css_morph_table_allocate(
4018 				source_morph_table->width,
4019 				source_morph_table->height);
4020 		if (!morph_table)
4021 			return -ENOMEM;
4022 
4023 		for (i = 0; i < IA_CSS_MORPH_TABLE_NUM_PLANES; i++) {
4024 			if (copy_from_compatible(morph_table->coordinates_x[i],
4025 						(__force void *)source_morph_table->coordinates_x[i],
4026 						source_morph_table->height * source_morph_table->width *
4027 						sizeof(*source_morph_table->coordinates_x[i]),
4028 						from_user))
4029 				goto error;
4030 
4031 			if (copy_from_compatible(morph_table->coordinates_y[i],
4032 						(__force void *)source_morph_table->coordinates_y[i],
4033 						source_morph_table->height * source_morph_table->width *
4034 						sizeof(*source_morph_table->coordinates_y[i]),
4035 						from_user))
4036 				goto error;
4037 		}
4038 	}
4039 
4040 	css_param->morph_table = morph_table;
4041 	if (old_morph_table)
4042 		atomisp_css_morph_table_free(old_morph_table);
4043 	css_param->update_flag.morph_table =
4044 	    (struct atomisp_morph_table *)morph_table;
4045 	return 0;
4046 
4047 error:
4048 	if (morph_table)
4049 		atomisp_css_morph_table_free(morph_table);
4050 	return ret;
4051 }
4052 
4053 int atomisp_makeup_css_parameters(struct atomisp_sub_device *asd,
4054 				  struct atomisp_parameters *arg,
4055 				  struct atomisp_css_params *css_param)
4056 {
4057 	int ret;
4058 
4059 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, false);
4060 	if (ret)
4061 		return ret;
4062 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, false);
4063 	if (ret)
4064 		return ret;
4065 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, false);
4066 	if (ret)
4067 		return ret;
4068 	ret = atomisp_css_cp_dvs2_coefs(asd,
4069 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4070 					css_param, false);
4071 	if (ret)
4072 		return ret;
4073 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4074 					  css_param, false);
4075 	return ret;
4076 }
4077 
4078 void atomisp_free_css_parameters(struct atomisp_css_params *css_param)
4079 {
4080 	if (css_param->dvs_6axis) {
4081 		ia_css_dvs2_6axis_config_free(css_param->dvs_6axis);
4082 		css_param->dvs_6axis = NULL;
4083 	}
4084 	if (css_param->dvs2_coeff) {
4085 		ia_css_dvs2_coefficients_free(css_param->dvs2_coeff);
4086 		css_param->dvs2_coeff = NULL;
4087 	}
4088 	if (css_param->shading_table) {
4089 		ia_css_shading_table_free(css_param->shading_table);
4090 		css_param->shading_table = NULL;
4091 	}
4092 	if (css_param->morph_table) {
4093 		ia_css_morph_table_free(css_param->morph_table);
4094 		css_param->morph_table = NULL;
4095 	}
4096 }
4097 
4098 /*
4099  * Check parameter queue list and buffer queue list to find out if matched items
4100  * and then set parameter to CSS and enqueue buffer to CSS.
4101  * Of course, if the buffer in buffer waiting list is not bound to a per-frame
4102  * parameter, it will be enqueued into CSS as long as the per-frame setting
4103  * buffers before it get enqueued.
4104  */
4105 void atomisp_handle_parameter_and_buffer(struct atomisp_video_pipe *pipe)
4106 {
4107 	struct atomisp_sub_device *asd = pipe->asd;
4108 	struct videobuf_buffer *vb = NULL, *vb_tmp;
4109 	struct atomisp_css_params_with_list *param = NULL, *param_tmp;
4110 	struct videobuf_vmalloc_memory *vm_mem = NULL;
4111 	unsigned long irqflags;
4112 	bool need_to_enqueue_buffer = false;
4113 
4114 	if (atomisp_is_vf_pipe(pipe))
4115 		return;
4116 
4117 	/*
4118 	 * CSS/FW requires set parameter and enqueue buffer happen after ISP
4119 	 * is streamon.
4120 	 */
4121 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
4122 		return;
4123 
4124 	if (list_empty(&pipe->per_frame_params) ||
4125 	    list_empty(&pipe->buffers_waiting_for_param))
4126 		return;
4127 
4128 	list_for_each_entry_safe(vb, vb_tmp,
4129 				 &pipe->buffers_waiting_for_param, queue) {
4130 		if (pipe->frame_request_config_id[vb->i]) {
4131 			list_for_each_entry_safe(param, param_tmp,
4132 						 &pipe->per_frame_params, list) {
4133 				if (pipe->frame_request_config_id[vb->i] !=
4134 				    param->params.isp_config_id)
4135 					continue;
4136 
4137 				list_del(&param->list);
4138 				list_del(&vb->queue);
4139 				/*
4140 				 * clear the request config id as the buffer
4141 				 * will be handled and enqueued into CSS soon
4142 				 */
4143 				pipe->frame_request_config_id[vb->i] = 0;
4144 				pipe->frame_params[vb->i] = param;
4145 				vm_mem = vb->priv;
4146 				BUG_ON(!vm_mem);
4147 				break;
4148 			}
4149 
4150 			if (vm_mem) {
4151 				spin_lock_irqsave(&pipe->irq_lock, irqflags);
4152 				list_add_tail(&vb->queue, &pipe->activeq);
4153 				spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4154 				vm_mem = NULL;
4155 				need_to_enqueue_buffer = true;
4156 			} else {
4157 				/* The is the end, stop further loop */
4158 				break;
4159 			}
4160 		} else {
4161 			list_del(&vb->queue);
4162 			pipe->frame_params[vb->i] = NULL;
4163 			spin_lock_irqsave(&pipe->irq_lock, irqflags);
4164 			list_add_tail(&vb->queue, &pipe->activeq);
4165 			spin_unlock_irqrestore(&pipe->irq_lock, irqflags);
4166 			need_to_enqueue_buffer = true;
4167 		}
4168 	}
4169 
4170 	if (!need_to_enqueue_buffer)
4171 		return;
4172 
4173 	atomisp_qbuffers_to_css(asd);
4174 
4175 	if (!IS_ISP2401) {
4176 		if (!atomisp_is_wdt_running(asd) && atomisp_buffers_queued(asd))
4177 			atomisp_wdt_start(asd);
4178 	} else {
4179 		if (atomisp_buffers_queued_pipe(pipe)) {
4180 			if (!atomisp_is_wdt_running(pipe))
4181 				atomisp_wdt_start_pipe(pipe);
4182 			else
4183 				atomisp_wdt_refresh_pipe(pipe,
4184 							ATOMISP_WDT_KEEP_CURRENT_DELAY);
4185 		}
4186 	}
4187 }
4188 
4189 /*
4190 * Function to configure ISP parameters
4191 */
4192 int atomisp_set_parameters(struct video_device *vdev,
4193 			   struct atomisp_parameters *arg)
4194 {
4195 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4196 	struct atomisp_sub_device *asd = pipe->asd;
4197 	struct atomisp_css_params_with_list *param = NULL;
4198 	struct atomisp_css_params *css_param = &asd->params.css_param;
4199 	int ret;
4200 
4201 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream) {
4202 		dev_err(asd->isp->dev, "%s: internal error!\n", __func__);
4203 		return -EINVAL;
4204 	}
4205 
4206 	dev_dbg(asd->isp->dev,
4207 		"%s: set parameter(per_frame_setting %d) for asd%d with isp_config_id %d of %s\n",
4208 		__func__, arg->per_frame_setting, asd->index,
4209 		arg->isp_config_id, vdev->name);
4210 
4211 	if (IS_ISP2401) {
4212 		if (atomisp_is_vf_pipe(pipe) && arg->per_frame_setting) {
4213 			dev_err(asd->isp->dev, "%s: vf pipe not support per_frame_setting",
4214 				__func__);
4215 			return -EINVAL;
4216 		}
4217 	}
4218 
4219 	if (arg->per_frame_setting && !atomisp_is_vf_pipe(pipe)) {
4220 		/*
4221 		 * Per-frame setting enabled, we allocate a new parameter
4222 		 * buffer to cache the parameters and only when frame buffers
4223 		 * are ready, the parameters will be set to CSS.
4224 		 * per-frame setting only works for the main output frame.
4225 		 */
4226 		param = kvzalloc(sizeof(*param), GFP_KERNEL);
4227 		if (!param) {
4228 			dev_err(asd->isp->dev, "%s: failed to alloc params buffer\n",
4229 				__func__);
4230 			return -ENOMEM;
4231 		}
4232 		css_param = &param->params;
4233 	}
4234 
4235 	ret = atomisp_cp_general_isp_parameters(asd, arg, css_param, true);
4236 	if (ret)
4237 		goto apply_parameter_failed;
4238 
4239 	ret = atomisp_cp_lsc_table(asd, arg->shading_table, css_param, true);
4240 	if (ret)
4241 		goto apply_parameter_failed;
4242 
4243 	ret = atomisp_cp_morph_table(asd, arg->morph_table, css_param, true);
4244 	if (ret)
4245 		goto apply_parameter_failed;
4246 
4247 	ret = atomisp_css_cp_dvs2_coefs(asd,
4248 					(struct ia_css_dvs2_coefficients *)arg->dvs2_coefs,
4249 					css_param, true);
4250 	if (ret)
4251 		goto apply_parameter_failed;
4252 
4253 	ret = atomisp_cp_dvs_6axis_config(asd, arg->dvs_6axis_config,
4254 					  css_param, true);
4255 	if (ret)
4256 		goto apply_parameter_failed;
4257 
4258 	if (!(arg->per_frame_setting && !atomisp_is_vf_pipe(pipe))) {
4259 		/* indicate to CSS that we have parameters to be updated */
4260 		asd->params.css_update_params_needed = true;
4261 	} else {
4262 		list_add_tail(&param->list, &pipe->per_frame_params);
4263 		atomisp_handle_parameter_and_buffer(pipe);
4264 	}
4265 
4266 	return 0;
4267 
4268 apply_parameter_failed:
4269 	if (css_param)
4270 		atomisp_free_css_parameters(css_param);
4271 	if (param)
4272 		kvfree(param);
4273 
4274 	return ret;
4275 }
4276 
4277 /*
4278  * Function to set/get isp parameters to isp
4279  */
4280 int atomisp_param(struct atomisp_sub_device *asd, int flag,
4281 		  struct atomisp_parm *config)
4282 {
4283 	struct ia_css_pipe_config *vp_cfg =
4284 		    &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].
4285 		    pipe_configs[IA_CSS_PIPE_ID_VIDEO];
4286 
4287 	/* Read parameter for 3A binary info */
4288 	if (flag == 0) {
4289 		struct ia_css_dvs_grid_info *dvs_grid_info =
4290 		    atomisp_css_get_dvs_grid_info(
4291 			&asd->params.curr_grid_info);
4292 
4293 		atomisp_curr_user_grid_info(asd, &config->info);
4294 
4295 		/* We always return the resolution and stride even if there is
4296 		 * no valid metadata. This allows the caller to get the
4297 		 * information needed to allocate user-space buffers. */
4298 		config->metadata_config.metadata_height = asd->
4299 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4300 			metadata_info.resolution.height;
4301 		config->metadata_config.metadata_stride = asd->
4302 			stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream_info.
4303 			metadata_info.stride;
4304 
4305 		/* update dvs grid info */
4306 		if (dvs_grid_info)
4307 			memcpy(&config->dvs_grid,
4308 			       dvs_grid_info,
4309 			       sizeof(struct ia_css_dvs_grid_info));
4310 
4311 		if (asd->run_mode->val != ATOMISP_RUN_MODE_VIDEO) {
4312 			config->dvs_envelop.width = 0;
4313 			config->dvs_envelop.height = 0;
4314 			return 0;
4315 		}
4316 
4317 		/* update dvs envelop info */
4318 		if (!asd->continuous_mode->val) {
4319 			config->dvs_envelop.width = vp_cfg->dvs_envelope.width;
4320 			config->dvs_envelop.height =
4321 			    vp_cfg->dvs_envelope.height;
4322 		} else {
4323 			unsigned int dvs_w, dvs_h, dvs_w_max, dvs_h_max;
4324 
4325 			dvs_w = vp_cfg->bayer_ds_out_res.width -
4326 				vp_cfg->output_info[0].res.width;
4327 			dvs_h = vp_cfg->bayer_ds_out_res.height -
4328 				vp_cfg->output_info[0].res.height;
4329 			dvs_w_max = rounddown(
4330 					vp_cfg->output_info[0].res.width / 5,
4331 					ATOM_ISP_STEP_WIDTH);
4332 			dvs_h_max = rounddown(
4333 					vp_cfg->output_info[0].res.height / 5,
4334 					ATOM_ISP_STEP_HEIGHT);
4335 
4336 			config->dvs_envelop.width = min(dvs_w, dvs_w_max);
4337 			config->dvs_envelop.height = min(dvs_h, dvs_h_max);
4338 		}
4339 
4340 		return 0;
4341 	}
4342 
4343 	memcpy(&asd->params.css_param.wb_config, &config->wb_config,
4344 	       sizeof(struct ia_css_wb_config));
4345 	memcpy(&asd->params.css_param.ob_config, &config->ob_config,
4346 	       sizeof(struct ia_css_ob_config));
4347 	memcpy(&asd->params.css_param.dp_config, &config->dp_config,
4348 	       sizeof(struct ia_css_dp_config));
4349 	memcpy(&asd->params.css_param.de_config, &config->de_config,
4350 	       sizeof(struct ia_css_de_config));
4351 	memcpy(&asd->params.css_param.dz_config, &config->dz_config,
4352 	       sizeof(struct ia_css_dz_config));
4353 	memcpy(&asd->params.css_param.ce_config, &config->ce_config,
4354 	       sizeof(struct ia_css_ce_config));
4355 	memcpy(&asd->params.css_param.nr_config, &config->nr_config,
4356 	       sizeof(struct ia_css_nr_config));
4357 	memcpy(&asd->params.css_param.ee_config, &config->ee_config,
4358 	       sizeof(struct ia_css_ee_config));
4359 	memcpy(&asd->params.css_param.tnr_config, &config->tnr_config,
4360 	       sizeof(struct ia_css_tnr_config));
4361 
4362 	if (asd->params.color_effect == V4L2_COLORFX_NEGATIVE) {
4363 		asd->params.css_param.cc_config.matrix[3] = -config->cc_config.matrix[3];
4364 		asd->params.css_param.cc_config.matrix[4] = -config->cc_config.matrix[4];
4365 		asd->params.css_param.cc_config.matrix[5] = -config->cc_config.matrix[5];
4366 		asd->params.css_param.cc_config.matrix[6] = -config->cc_config.matrix[6];
4367 		asd->params.css_param.cc_config.matrix[7] = -config->cc_config.matrix[7];
4368 		asd->params.css_param.cc_config.matrix[8] = -config->cc_config.matrix[8];
4369 	}
4370 
4371 	if (asd->params.color_effect != V4L2_COLORFX_SEPIA &&
4372 	    asd->params.color_effect != V4L2_COLORFX_BW) {
4373 		memcpy(&asd->params.css_param.cc_config, &config->cc_config,
4374 		       sizeof(struct ia_css_cc_config));
4375 		asd->params.config.cc_config = &asd->params.css_param.cc_config;
4376 	}
4377 
4378 	asd->params.config.wb_config = &asd->params.css_param.wb_config;
4379 	asd->params.config.ob_config = &asd->params.css_param.ob_config;
4380 	asd->params.config.de_config = &asd->params.css_param.de_config;
4381 	asd->params.config.dz_config = &asd->params.css_param.dz_config;
4382 	asd->params.config.ce_config = &asd->params.css_param.ce_config;
4383 	asd->params.config.dp_config = &asd->params.css_param.dp_config;
4384 	asd->params.config.nr_config = &asd->params.css_param.nr_config;
4385 	asd->params.config.ee_config = &asd->params.css_param.ee_config;
4386 	asd->params.config.tnr_config = &asd->params.css_param.tnr_config;
4387 	asd->params.css_update_params_needed = true;
4388 
4389 	return 0;
4390 }
4391 
4392 /*
4393  * Function to configure color effect of the image
4394  */
4395 int atomisp_color_effect(struct atomisp_sub_device *asd, int flag,
4396 			 __s32 *effect)
4397 {
4398 	struct ia_css_cc_config *cc_config = NULL;
4399 	struct ia_css_macc_table *macc_table = NULL;
4400 	struct ia_css_ctc_table *ctc_table = NULL;
4401 	int ret = 0;
4402 	struct v4l2_control control;
4403 	struct atomisp_device *isp = asd->isp;
4404 
4405 	if (flag == 0) {
4406 		*effect = asd->params.color_effect;
4407 		return 0;
4408 	}
4409 
4410 	control.id = V4L2_CID_COLORFX;
4411 	control.value = *effect;
4412 	ret =
4413 	    v4l2_s_ctrl(NULL, isp->inputs[asd->input_curr].camera->ctrl_handler,
4414 			&control);
4415 	/*
4416 	 * if set color effect to sensor successfully, return
4417 	 * 0 directly.
4418 	 */
4419 	if (!ret) {
4420 		asd->params.color_effect = (u32)*effect;
4421 		return 0;
4422 	}
4423 
4424 	if (*effect == asd->params.color_effect)
4425 		return 0;
4426 
4427 	/*
4428 	 * isp_subdev->params.macc_en should be set to false.
4429 	 */
4430 	asd->params.macc_en = false;
4431 
4432 	switch (*effect) {
4433 	case V4L2_COLORFX_NONE:
4434 		macc_table = &asd->params.css_param.macc_table;
4435 		asd->params.macc_en = true;
4436 		break;
4437 	case V4L2_COLORFX_SEPIA:
4438 		cc_config = &sepia_cc_config;
4439 		break;
4440 	case V4L2_COLORFX_NEGATIVE:
4441 		cc_config = &nega_cc_config;
4442 		break;
4443 	case V4L2_COLORFX_BW:
4444 		cc_config = &mono_cc_config;
4445 		break;
4446 	case V4L2_COLORFX_SKY_BLUE:
4447 		macc_table = &blue_macc_table;
4448 		asd->params.macc_en = true;
4449 		break;
4450 	case V4L2_COLORFX_GRASS_GREEN:
4451 		macc_table = &green_macc_table;
4452 		asd->params.macc_en = true;
4453 		break;
4454 	case V4L2_COLORFX_SKIN_WHITEN_LOW:
4455 		macc_table = &skin_low_macc_table;
4456 		asd->params.macc_en = true;
4457 		break;
4458 	case V4L2_COLORFX_SKIN_WHITEN:
4459 		macc_table = &skin_medium_macc_table;
4460 		asd->params.macc_en = true;
4461 		break;
4462 	case V4L2_COLORFX_SKIN_WHITEN_HIGH:
4463 		macc_table = &skin_high_macc_table;
4464 		asd->params.macc_en = true;
4465 		break;
4466 	case V4L2_COLORFX_VIVID:
4467 		ctc_table = &vivid_ctc_table;
4468 		break;
4469 	default:
4470 		return -EINVAL;
4471 	}
4472 	atomisp_update_capture_mode(asd);
4473 
4474 	if (cc_config)
4475 		asd->params.config.cc_config = cc_config;
4476 	if (macc_table)
4477 		asd->params.config.macc_table = macc_table;
4478 	if (ctc_table)
4479 		atomisp_css_set_ctc_table(asd, ctc_table);
4480 	asd->params.color_effect = (u32)*effect;
4481 	asd->params.css_update_params_needed = true;
4482 	return 0;
4483 }
4484 
4485 /*
4486  * Function to configure bad pixel correction
4487  */
4488 int atomisp_bad_pixel(struct atomisp_sub_device *asd, int flag,
4489 		      __s32 *value)
4490 {
4491 	if (flag == 0) {
4492 		*value = asd->params.bad_pixel_en;
4493 		return 0;
4494 	}
4495 	asd->params.bad_pixel_en = !!*value;
4496 
4497 	return 0;
4498 }
4499 
4500 /*
4501  * Function to configure bad pixel correction params
4502  */
4503 int atomisp_bad_pixel_param(struct atomisp_sub_device *asd, int flag,
4504 			    struct atomisp_dp_config *config)
4505 {
4506 	if (flag == 0) {
4507 		/* Get bad pixel from current setup */
4508 		if (atomisp_css_get_dp_config(asd, config))
4509 			return -EINVAL;
4510 	} else {
4511 		/* Set bad pixel to isp parameters */
4512 		memcpy(&asd->params.css_param.dp_config, config,
4513 		       sizeof(asd->params.css_param.dp_config));
4514 		asd->params.config.dp_config = &asd->params.css_param.dp_config;
4515 		asd->params.css_update_params_needed = true;
4516 	}
4517 
4518 	return 0;
4519 }
4520 
4521 /*
4522  * Function to enable/disable video image stablization
4523  */
4524 int atomisp_video_stable(struct atomisp_sub_device *asd, int flag,
4525 			 __s32 *value)
4526 {
4527 	if (flag == 0)
4528 		*value = asd->params.video_dis_en;
4529 	else
4530 		asd->params.video_dis_en = !!*value;
4531 
4532 	return 0;
4533 }
4534 
4535 /*
4536  * Function to configure fixed pattern noise
4537  */
4538 int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
4539 			  __s32 *value)
4540 {
4541 	if (flag == 0) {
4542 		*value = asd->params.fpn_en;
4543 		return 0;
4544 	}
4545 
4546 	if (*value == 0) {
4547 		asd->params.fpn_en = false;
4548 		return 0;
4549 	}
4550 
4551 	/* Add function to get black from from sensor with shutter off */
4552 	return 0;
4553 }
4554 
4555 static unsigned int
4556 atomisp_bytesperline_to_padded_width(unsigned int bytesperline,
4557 				     enum ia_css_frame_format format)
4558 {
4559 	switch (format) {
4560 	case IA_CSS_FRAME_FORMAT_UYVY:
4561 	case IA_CSS_FRAME_FORMAT_YUYV:
4562 	case IA_CSS_FRAME_FORMAT_RAW:
4563 	case IA_CSS_FRAME_FORMAT_RGB565:
4564 		return bytesperline / 2;
4565 	case IA_CSS_FRAME_FORMAT_RGBA888:
4566 		return bytesperline / 4;
4567 	/* The following cases could be removed, but we leave them
4568 	   in to document the formats that are included. */
4569 	case IA_CSS_FRAME_FORMAT_NV11:
4570 	case IA_CSS_FRAME_FORMAT_NV12:
4571 	case IA_CSS_FRAME_FORMAT_NV16:
4572 	case IA_CSS_FRAME_FORMAT_NV21:
4573 	case IA_CSS_FRAME_FORMAT_NV61:
4574 	case IA_CSS_FRAME_FORMAT_YV12:
4575 	case IA_CSS_FRAME_FORMAT_YV16:
4576 	case IA_CSS_FRAME_FORMAT_YUV420:
4577 	case IA_CSS_FRAME_FORMAT_YUV420_16:
4578 	case IA_CSS_FRAME_FORMAT_YUV422:
4579 	case IA_CSS_FRAME_FORMAT_YUV422_16:
4580 	case IA_CSS_FRAME_FORMAT_YUV444:
4581 	case IA_CSS_FRAME_FORMAT_YUV_LINE:
4582 	case IA_CSS_FRAME_FORMAT_PLANAR_RGB888:
4583 	case IA_CSS_FRAME_FORMAT_QPLANE6:
4584 	case IA_CSS_FRAME_FORMAT_BINARY_8:
4585 	default:
4586 		return bytesperline;
4587 	}
4588 }
4589 
4590 static int
4591 atomisp_v4l2_framebuffer_to_css_frame(const struct v4l2_framebuffer *arg,
4592 				      struct ia_css_frame **result)
4593 {
4594 	struct ia_css_frame *res = NULL;
4595 	unsigned int padded_width;
4596 	enum ia_css_frame_format sh_format;
4597 	char *tmp_buf = NULL;
4598 	int ret = 0;
4599 
4600 	sh_format = v4l2_fmt_to_sh_fmt(arg->fmt.pixelformat);
4601 	padded_width = atomisp_bytesperline_to_padded_width(
4602 			   arg->fmt.bytesperline, sh_format);
4603 
4604 	/* Note: the padded width on an ia_css_frame is in elements, not in
4605 	   bytes. The RAW frame we use here should always be a 16bit RAW
4606 	   frame. This is why we bytesperline/2 is equal to the padded with */
4607 	if (ia_css_frame_allocate(&res, arg->fmt.width, arg->fmt.height,
4608 				       sh_format, padded_width, 0)) {
4609 		ret = -ENOMEM;
4610 		goto err;
4611 	}
4612 
4613 	tmp_buf = vmalloc(arg->fmt.sizeimage);
4614 	if (!tmp_buf) {
4615 		ret = -ENOMEM;
4616 		goto err;
4617 	}
4618 	if (copy_from_user(tmp_buf, (void __user __force *)arg->base,
4619 			   arg->fmt.sizeimage)) {
4620 		ret = -EFAULT;
4621 		goto err;
4622 	}
4623 
4624 	if (hmm_store(res->data, tmp_buf, arg->fmt.sizeimage)) {
4625 		ret = -EINVAL;
4626 		goto err;
4627 	}
4628 
4629 err:
4630 	if (ret && res)
4631 		ia_css_frame_free(res);
4632 	if (tmp_buf)
4633 		vfree(tmp_buf);
4634 	if (ret == 0)
4635 		*result = res;
4636 	return ret;
4637 }
4638 
4639 /*
4640  * Function to configure fixed pattern noise table
4641  */
4642 int atomisp_fixed_pattern_table(struct atomisp_sub_device *asd,
4643 				struct v4l2_framebuffer *arg)
4644 {
4645 	struct ia_css_frame *raw_black_frame = NULL;
4646 	int ret;
4647 
4648 	if (!arg)
4649 		return -EINVAL;
4650 
4651 	ret = atomisp_v4l2_framebuffer_to_css_frame(arg, &raw_black_frame);
4652 	if (ret)
4653 		return ret;
4654 
4655 	if (sh_css_set_black_frame(asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].stream,
4656 				   raw_black_frame) != 0)
4657 		return -ENOMEM;
4658 
4659 	ia_css_frame_free(raw_black_frame);
4660 	return ret;
4661 }
4662 
4663 /*
4664  * Function to configure false color correction
4665  */
4666 int atomisp_false_color(struct atomisp_sub_device *asd, int flag,
4667 			__s32 *value)
4668 {
4669 	/* Get nr config from current setup */
4670 	if (flag == 0) {
4671 		*value = asd->params.false_color;
4672 		return 0;
4673 	}
4674 
4675 	/* Set nr config to isp parameters */
4676 	if (*value) {
4677 		asd->params.config.de_config = NULL;
4678 	} else {
4679 		asd->params.css_param.de_config.pixelnoise = 0;
4680 		asd->params.config.de_config = &asd->params.css_param.de_config;
4681 	}
4682 	asd->params.css_update_params_needed = true;
4683 	asd->params.false_color = *value;
4684 	return 0;
4685 }
4686 
4687 /*
4688  * Function to configure bad pixel correction params
4689  */
4690 int atomisp_false_color_param(struct atomisp_sub_device *asd, int flag,
4691 			      struct atomisp_de_config *config)
4692 {
4693 	if (flag == 0) {
4694 		/* Get false color from current setup */
4695 		if (atomisp_css_get_de_config(asd, config))
4696 			return -EINVAL;
4697 	} else {
4698 		/* Set false color to isp parameters */
4699 		memcpy(&asd->params.css_param.de_config, config,
4700 		       sizeof(asd->params.css_param.de_config));
4701 		asd->params.config.de_config = &asd->params.css_param.de_config;
4702 		asd->params.css_update_params_needed = true;
4703 	}
4704 
4705 	return 0;
4706 }
4707 
4708 /*
4709  * Function to configure white balance params
4710  */
4711 int atomisp_white_balance_param(struct atomisp_sub_device *asd, int flag,
4712 				struct atomisp_wb_config *config)
4713 {
4714 	if (flag == 0) {
4715 		/* Get white balance from current setup */
4716 		if (atomisp_css_get_wb_config(asd, config))
4717 			return -EINVAL;
4718 	} else {
4719 		/* Set white balance to isp parameters */
4720 		memcpy(&asd->params.css_param.wb_config, config,
4721 		       sizeof(asd->params.css_param.wb_config));
4722 		asd->params.config.wb_config = &asd->params.css_param.wb_config;
4723 		asd->params.css_update_params_needed = true;
4724 	}
4725 
4726 	return 0;
4727 }
4728 
4729 int atomisp_3a_config_param(struct atomisp_sub_device *asd, int flag,
4730 			    struct atomisp_3a_config *config)
4731 {
4732 	struct atomisp_device *isp = asd->isp;
4733 
4734 	dev_dbg(isp->dev, ">%s %d\n", __func__, flag);
4735 
4736 	if (flag == 0) {
4737 		/* Get white balance from current setup */
4738 		if (atomisp_css_get_3a_config(asd, config))
4739 			return -EINVAL;
4740 	} else {
4741 		/* Set white balance to isp parameters */
4742 		memcpy(&asd->params.css_param.s3a_config, config,
4743 		       sizeof(asd->params.css_param.s3a_config));
4744 		asd->params.config.s3a_config = &asd->params.css_param.s3a_config;
4745 		asd->params.css_update_params_needed = true;
4746 	}
4747 
4748 	dev_dbg(isp->dev, "<%s %d\n", __func__, flag);
4749 	return 0;
4750 }
4751 
4752 /*
4753  * Function to setup digital zoom
4754  */
4755 int atomisp_digital_zoom(struct atomisp_sub_device *asd, int flag,
4756 			 __s32 *value)
4757 {
4758 	u32 zoom;
4759 	struct atomisp_device *isp = asd->isp;
4760 
4761 	unsigned int max_zoom = MRFLD_MAX_ZOOM_FACTOR;
4762 
4763 	if (flag == 0) {
4764 		atomisp_css_get_zoom_factor(asd, &zoom);
4765 		*value = max_zoom - zoom;
4766 	} else {
4767 		if (*value < 0)
4768 			return -EINVAL;
4769 
4770 		zoom = max_zoom - min_t(u32, max_zoom - 1, *value);
4771 		atomisp_css_set_zoom_factor(asd, zoom);
4772 
4773 		dev_dbg(isp->dev, "%s, zoom: %d\n", __func__, zoom);
4774 		asd->params.css_update_params_needed = true;
4775 	}
4776 
4777 	return 0;
4778 }
4779 
4780 /*
4781  * Function to get sensor specific info for current resolution,
4782  * which will be used for auto exposure conversion.
4783  */
4784 int atomisp_get_sensor_mode_data(struct atomisp_sub_device *asd,
4785 				 struct atomisp_sensor_mode_data *config)
4786 {
4787 	struct camera_mipi_info *mipi_info;
4788 	struct atomisp_device *isp = asd->isp;
4789 
4790 	mipi_info = atomisp_to_sensor_mipi_info(
4791 			isp->inputs[asd->input_curr].camera);
4792 	if (!mipi_info)
4793 		return -EINVAL;
4794 
4795 	memcpy(config, &mipi_info->data, sizeof(*config));
4796 	return 0;
4797 }
4798 
4799 int atomisp_get_fmt(struct video_device *vdev, struct v4l2_format *f)
4800 {
4801 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
4802 
4803 	f->fmt.pix = pipe->pix;
4804 
4805 	return 0;
4806 }
4807 
4808 static void __atomisp_update_stream_env(struct atomisp_sub_device *asd,
4809 					u16 stream_index, struct atomisp_input_stream_info *stream_info)
4810 {
4811 	int i;
4812 
4813 	/* assign virtual channel id return from sensor driver query */
4814 	asd->stream_env[stream_index].ch_id = stream_info->ch_id;
4815 	asd->stream_env[stream_index].isys_configs = stream_info->isys_configs;
4816 	for (i = 0; i < stream_info->isys_configs; i++) {
4817 		asd->stream_env[stream_index].isys_info[i].input_format =
4818 		    stream_info->isys_info[i].input_format;
4819 		asd->stream_env[stream_index].isys_info[i].width =
4820 		    stream_info->isys_info[i].width;
4821 		asd->stream_env[stream_index].isys_info[i].height =
4822 		    stream_info->isys_info[i].height;
4823 	}
4824 }
4825 
4826 static void __atomisp_init_stream_info(u16 stream_index,
4827 				       struct atomisp_input_stream_info *stream_info)
4828 {
4829 	int i;
4830 
4831 	stream_info->enable = 1;
4832 	stream_info->stream = stream_index;
4833 	stream_info->ch_id = 0;
4834 	stream_info->isys_configs = 0;
4835 	for (i = 0; i < MAX_STREAMS_PER_CHANNEL; i++) {
4836 		stream_info->isys_info[i].input_format = 0;
4837 		stream_info->isys_info[i].width = 0;
4838 		stream_info->isys_info[i].height = 0;
4839 	}
4840 }
4841 
4842 /* This function looks up the closest available resolution. */
4843 int atomisp_try_fmt(struct video_device *vdev, struct v4l2_format *f,
4844 		    bool *res_overflow)
4845 {
4846 	struct atomisp_device *isp = video_get_drvdata(vdev);
4847 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
4848 	struct v4l2_subdev_pad_config pad_cfg;
4849 	struct v4l2_subdev_format format = {
4850 		.which = V4L2_SUBDEV_FORMAT_TRY,
4851 	};
4852 
4853 	struct v4l2_mbus_framefmt *snr_mbus_fmt = &format.format;
4854 	const struct atomisp_format_bridge *fmt;
4855 	struct atomisp_input_stream_info *stream_info =
4856 	    (struct atomisp_input_stream_info *)snr_mbus_fmt->reserved;
4857 	u16 stream_index;
4858 	int source_pad = atomisp_subdev_source_pad(vdev);
4859 	int ret;
4860 
4861 	if (!isp->inputs[asd->input_curr].camera)
4862 		return -EINVAL;
4863 
4864 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
4865 	fmt = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
4866 	if (!fmt) {
4867 		dev_err(isp->dev, "unsupported pixelformat!\n");
4868 		fmt = atomisp_output_fmts;
4869 	}
4870 
4871 	if (f->fmt.pix.width <= 0 || f->fmt.pix.height <= 0)
4872 		return -EINVAL;
4873 
4874 	snr_mbus_fmt->code = fmt->mbus_code;
4875 	snr_mbus_fmt->width = f->fmt.pix.width;
4876 	snr_mbus_fmt->height = f->fmt.pix.height;
4877 
4878 	__atomisp_init_stream_info(stream_index, stream_info);
4879 
4880 	dev_dbg(isp->dev, "try_mbus_fmt: asking for %ux%u\n",
4881 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4882 
4883 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
4884 			       pad, set_fmt, &pad_cfg, &format);
4885 	if (ret)
4886 		return ret;
4887 
4888 	dev_dbg(isp->dev, "try_mbus_fmt: got %ux%u\n",
4889 		snr_mbus_fmt->width, snr_mbus_fmt->height);
4890 
4891 	fmt = atomisp_get_format_bridge_from_mbus(snr_mbus_fmt->code);
4892 	if (!fmt) {
4893 		dev_err(isp->dev, "unknown sensor format 0x%8.8x\n",
4894 			snr_mbus_fmt->code);
4895 		return -EINVAL;
4896 	}
4897 
4898 	f->fmt.pix.pixelformat = fmt->pixelformat;
4899 
4900 	/*
4901 	 * If the format is jpeg or custom RAW, then the width and height will
4902 	 * not satisfy the normal atomisp requirements and no need to check
4903 	 * the below conditions. So just assign to what is being returned from
4904 	 * the sensor driver.
4905 	 */
4906 	if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
4907 	    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
4908 		f->fmt.pix.width = snr_mbus_fmt->width;
4909 		f->fmt.pix.height = snr_mbus_fmt->height;
4910 		return 0;
4911 	}
4912 
4913 	if (snr_mbus_fmt->width < f->fmt.pix.width
4914 	    && snr_mbus_fmt->height < f->fmt.pix.height) {
4915 		f->fmt.pix.width = snr_mbus_fmt->width;
4916 		f->fmt.pix.height = snr_mbus_fmt->height;
4917 		/* Set the flag when resolution requested is
4918 		 * beyond the max value supported by sensor
4919 		 */
4920 		if (res_overflow)
4921 			*res_overflow = true;
4922 	}
4923 
4924 	/* app vs isp */
4925 	f->fmt.pix.width = rounddown(
4926 			       clamp_t(u32, f->fmt.pix.width, ATOM_ISP_MIN_WIDTH,
4927 				       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
4928 	f->fmt.pix.height = rounddown(
4929 				clamp_t(u32, f->fmt.pix.height, ATOM_ISP_MIN_HEIGHT,
4930 					ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
4931 
4932 	return 0;
4933 }
4934 
4935 static int
4936 atomisp_try_fmt_file(struct atomisp_device *isp, struct v4l2_format *f)
4937 {
4938 	u32 width = f->fmt.pix.width;
4939 	u32 height = f->fmt.pix.height;
4940 	u32 pixelformat = f->fmt.pix.pixelformat;
4941 	enum v4l2_field field = f->fmt.pix.field;
4942 	u32 depth;
4943 
4944 	if (!atomisp_get_format_bridge(pixelformat)) {
4945 		dev_err(isp->dev, "Wrong output pixelformat\n");
4946 		return -EINVAL;
4947 	}
4948 
4949 	depth = get_pixel_depth(pixelformat);
4950 
4951 	if (field == V4L2_FIELD_ANY)
4952 		field = V4L2_FIELD_NONE;
4953 	else if (field != V4L2_FIELD_NONE) {
4954 		dev_err(isp->dev, "Wrong output field\n");
4955 		return -EINVAL;
4956 	}
4957 
4958 	f->fmt.pix.field = field;
4959 	f->fmt.pix.width = clamp_t(u32,
4960 				   rounddown(width, (u32)ATOM_ISP_STEP_WIDTH),
4961 				   ATOM_ISP_MIN_WIDTH, ATOM_ISP_MAX_WIDTH);
4962 	f->fmt.pix.height = clamp_t(u32, rounddown(height,
4963 				    (u32)ATOM_ISP_STEP_HEIGHT),
4964 				    ATOM_ISP_MIN_HEIGHT, ATOM_ISP_MAX_HEIGHT);
4965 	f->fmt.pix.bytesperline = (width * depth) >> 3;
4966 
4967 	return 0;
4968 }
4969 
4970 enum mipi_port_id __get_mipi_port(struct atomisp_device *isp,
4971 				  enum atomisp_camera_port port)
4972 {
4973 	switch (port) {
4974 	case ATOMISP_CAMERA_PORT_PRIMARY:
4975 		return MIPI_PORT0_ID;
4976 	case ATOMISP_CAMERA_PORT_SECONDARY:
4977 		return MIPI_PORT1_ID;
4978 	case ATOMISP_CAMERA_PORT_TERTIARY:
4979 		if (MIPI_PORT1_ID + 1 != N_MIPI_PORT_ID) {
4980 			return MIPI_PORT1_ID + 1;
4981 		}
4982 	/* fall through */
4983 	default:
4984 		dev_err(isp->dev, "unsupported port: %d\n", port);
4985 		return MIPI_PORT0_ID;
4986 	}
4987 }
4988 
4989 static inline int atomisp_set_sensor_mipi_to_isp(
4990     struct atomisp_sub_device *asd,
4991     enum atomisp_input_stream_id stream_id,
4992     struct camera_mipi_info *mipi_info)
4993 {
4994 	struct v4l2_control ctrl;
4995 	struct atomisp_device *isp = asd->isp;
4996 	const struct atomisp_in_fmt_conv *fc;
4997 	int mipi_freq = 0;
4998 	unsigned int input_format, bayer_order;
4999 
5000 	ctrl.id = V4L2_CID_LINK_FREQ;
5001 	if (v4l2_g_ctrl
5002 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl) == 0)
5003 		mipi_freq = ctrl.value;
5004 
5005 	if (asd->stream_env[stream_id].isys_configs == 1) {
5006 		input_format =
5007 		    asd->stream_env[stream_id].isys_info[0].input_format;
5008 		atomisp_css_isys_set_format(asd, stream_id,
5009 					    input_format, IA_CSS_STREAM_DEFAULT_ISYS_STREAM_IDX);
5010 	} else if (asd->stream_env[stream_id].isys_configs == 2) {
5011 		atomisp_css_isys_two_stream_cfg_update_stream1(
5012 		    asd, stream_id,
5013 		    asd->stream_env[stream_id].isys_info[0].input_format,
5014 		    asd->stream_env[stream_id].isys_info[0].width,
5015 		    asd->stream_env[stream_id].isys_info[0].height);
5016 
5017 		atomisp_css_isys_two_stream_cfg_update_stream2(
5018 		    asd, stream_id,
5019 		    asd->stream_env[stream_id].isys_info[1].input_format,
5020 		    asd->stream_env[stream_id].isys_info[1].width,
5021 		    asd->stream_env[stream_id].isys_info[1].height);
5022 	}
5023 
5024 	/* Compatibility for sensors which provide no media bus code
5025 	 * in s_mbus_framefmt() nor support pad formats. */
5026 	if (mipi_info->input_format != -1) {
5027 		bayer_order = mipi_info->raw_bayer_order;
5028 
5029 		/* Input stream config is still needs configured */
5030 		/* TODO: Check if this is necessary */
5031 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5032 			 mipi_info->input_format);
5033 		if (!fc)
5034 			return -EINVAL;
5035 		input_format = fc->atomisp_in_fmt;
5036 	} else {
5037 		struct v4l2_mbus_framefmt *sink;
5038 
5039 		sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5040 					       V4L2_SUBDEV_FORMAT_ACTIVE,
5041 					       ATOMISP_SUBDEV_PAD_SINK);
5042 		fc = atomisp_find_in_fmt_conv(sink->code);
5043 		if (!fc)
5044 			return -EINVAL;
5045 		input_format = fc->atomisp_in_fmt;
5046 		bayer_order = fc->bayer_order;
5047 	}
5048 
5049 	atomisp_css_input_set_format(asd, stream_id, input_format);
5050 	atomisp_css_input_set_bayer_order(asd, stream_id, bayer_order);
5051 
5052 	fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5053 		 mipi_info->metadata_format);
5054 	if (!fc)
5055 		return -EINVAL;
5056 	input_format = fc->atomisp_in_fmt;
5057 	atomisp_css_input_configure_port(asd,
5058 					 __get_mipi_port(asd->isp, mipi_info->port),
5059 					 mipi_info->num_lanes,
5060 					 0xffff4, mipi_freq,
5061 					 input_format,
5062 					 mipi_info->metadata_width,
5063 					 mipi_info->metadata_height);
5064 	return 0;
5065 }
5066 
5067 static int __enable_continuous_mode(struct atomisp_sub_device *asd,
5068 				    bool enable)
5069 {
5070 	struct atomisp_device *isp = asd->isp;
5071 
5072 	dev_dbg(isp->dev,
5073 		"continuous mode %d, raw buffers %d, stop preview %d\n",
5074 		enable, asd->continuous_raw_buffer_size->val,
5075 		!asd->continuous_viewfinder->val);
5076 
5077 	if (!IS_ISP2401)
5078 		atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_PRIMARY);
5079 	else
5080 		atomisp_update_capture_mode(asd);
5081 
5082 	/* in case of ANR, force capture pipe to offline mode */
5083 	atomisp_css_capture_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5084 					  asd->params.low_light ? false : !enable);
5085 	atomisp_css_preview_enable_online(asd, ATOMISP_INPUT_STREAM_GENERAL,
5086 					  !enable);
5087 	atomisp_css_enable_continuous(asd, enable);
5088 	atomisp_css_enable_cvf(asd, asd->continuous_viewfinder->val);
5089 
5090 	if (atomisp_css_continuous_set_num_raw_frames(asd,
5091 		asd->continuous_raw_buffer_size->val)) {
5092 		dev_err(isp->dev, "css_continuous_set_num_raw_frames failed\n");
5093 		return -EINVAL;
5094 	}
5095 
5096 	if (!enable) {
5097 		atomisp_css_enable_raw_binning(asd, false);
5098 		atomisp_css_input_set_two_pixels_per_clock(asd, false);
5099 	}
5100 
5101 	if (isp->inputs[asd->input_curr].type != FILE_INPUT)
5102 		atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5103 
5104 	return atomisp_update_run_mode(asd);
5105 }
5106 
5107 static int configure_pp_input_nop(struct atomisp_sub_device *asd,
5108 				  unsigned int width, unsigned int height)
5109 {
5110 	return 0;
5111 }
5112 
5113 static int configure_output_nop(struct atomisp_sub_device *asd,
5114 				unsigned int width, unsigned int height,
5115 				unsigned int min_width,
5116 				enum ia_css_frame_format sh_fmt)
5117 {
5118 	return 0;
5119 }
5120 
5121 static int get_frame_info_nop(struct atomisp_sub_device *asd,
5122 			      struct ia_css_frame_info *finfo)
5123 {
5124 	return 0;
5125 }
5126 
5127 /*
5128  * Resets CSS parameters that depend on input resolution.
5129  *
5130  * Update params like CSS RAW binning, 2ppc mode and pp_input
5131  * which depend on input size, but are not automatically
5132  * handled in CSS when the input resolution is changed.
5133  */
5134 static int css_input_resolution_changed(struct atomisp_sub_device *asd,
5135 					struct v4l2_mbus_framefmt *ffmt)
5136 {
5137 	struct atomisp_metadata_buf *md_buf = NULL, *_md_buf;
5138 	unsigned int i;
5139 
5140 	dev_dbg(asd->isp->dev, "css_input_resolution_changed to %ux%u\n",
5141 		ffmt->width, ffmt->height);
5142 
5143 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5144 	atomisp_css_input_set_two_pixels_per_clock(asd, false);
5145 #else
5146 	atomisp_css_input_set_two_pixels_per_clock(asd, true);
5147 #endif
5148 	if (asd->continuous_mode->val) {
5149 		/* Note for all checks: ffmt includes pad_w+pad_h */
5150 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO ||
5151 		    (ffmt->width >= 2048 || ffmt->height >= 1536)) {
5152 			/*
5153 			 * For preview pipe, enable only if resolution
5154 			 * is >= 3M for ISP2400.
5155 			 */
5156 			atomisp_css_enable_raw_binning(asd, true);
5157 		}
5158 	}
5159 	/*
5160 	 * If sensor input changed, which means metadata resolution changed
5161 	 * together. Release all metadata buffers here to let it re-allocated
5162 	 * next time in reqbufs.
5163 	 */
5164 	for (i = 0; i < ATOMISP_METADATA_TYPE_NUM; i++) {
5165 		list_for_each_entry_safe(md_buf, _md_buf, &asd->metadata[i],
5166 					 list) {
5167 			atomisp_css_free_metadata_buffer(md_buf);
5168 			list_del(&md_buf->list);
5169 			kfree(md_buf);
5170 		}
5171 	}
5172 	return 0;
5173 
5174 	/*
5175 	 * TODO: atomisp_css_preview_configure_pp_input() not
5176 	 *       reset due to CSS bug tracked as PSI BZ 115124
5177 	 */
5178 }
5179 
5180 static int atomisp_set_fmt_to_isp(struct video_device *vdev,
5181 				  struct ia_css_frame_info *output_info,
5182 				  struct ia_css_frame_info *raw_output_info,
5183 				  struct v4l2_pix_format *pix,
5184 				  unsigned int source_pad)
5185 {
5186 	struct camera_mipi_info *mipi_info;
5187 	struct atomisp_device *isp = video_get_drvdata(vdev);
5188 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5189 	const struct atomisp_format_bridge *format;
5190 	struct v4l2_rect *isp_sink_crop;
5191 	enum ia_css_pipe_id pipe_id;
5192 	struct v4l2_subdev_fh fh;
5193 	int (*configure_output)(struct atomisp_sub_device *asd,
5194 				unsigned int width, unsigned int height,
5195 				unsigned int min_width,
5196 				enum ia_css_frame_format sh_fmt) =
5197 				    configure_output_nop;
5198 	int (*get_frame_info)(struct atomisp_sub_device *asd,
5199 			      struct ia_css_frame_info *finfo) =
5200 				  get_frame_info_nop;
5201 	int (*configure_pp_input)(struct atomisp_sub_device *asd,
5202 				  unsigned int width, unsigned int height) =
5203 				      configure_pp_input_nop;
5204 	u16 stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5205 	const struct atomisp_in_fmt_conv *fc;
5206 	int ret, i;
5207 
5208 	v4l2_fh_init(&fh.vfh, vdev);
5209 
5210 	isp_sink_crop = atomisp_subdev_get_rect(
5211 			    &asd->subdev, NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5212 			    ATOMISP_SUBDEV_PAD_SINK, V4L2_SEL_TGT_CROP);
5213 
5214 	format = atomisp_get_format_bridge(pix->pixelformat);
5215 	if (!format)
5216 		return -EINVAL;
5217 
5218 	if (isp->inputs[asd->input_curr].type != TEST_PATTERN &&
5219 	    isp->inputs[asd->input_curr].type != FILE_INPUT) {
5220 		mipi_info = atomisp_to_sensor_mipi_info(
5221 				isp->inputs[asd->input_curr].camera);
5222 		if (!mipi_info) {
5223 			dev_err(isp->dev, "mipi_info is NULL\n");
5224 			return -EINVAL;
5225 		}
5226 		if (atomisp_set_sensor_mipi_to_isp(asd, stream_index,
5227 						   mipi_info))
5228 			return -EINVAL;
5229 		fc = atomisp_find_in_fmt_conv_by_atomisp_in_fmt(
5230 			 mipi_info->input_format);
5231 		if (!fc)
5232 			fc = atomisp_find_in_fmt_conv(
5233 				 atomisp_subdev_get_ffmt(&asd->subdev,
5234 							 NULL, V4L2_SUBDEV_FORMAT_ACTIVE,
5235 							 ATOMISP_SUBDEV_PAD_SINK)->code);
5236 		if (!fc)
5237 			return -EINVAL;
5238 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW &&
5239 		    raw_output_format_match_input(fc->atomisp_in_fmt,
5240 						  pix->pixelformat))
5241 			return -EINVAL;
5242 	}
5243 
5244 	/*
5245 	 * Configure viewfinder also when vfpp is disabled: the
5246 	 * CSS still requires viewfinder configuration.
5247 	 */
5248 	if (asd->fmt_auto->val ||
5249 	    asd->vfpp->val != ATOMISP_VFPP_ENABLE) {
5250 		struct v4l2_rect vf_size = {0};
5251 		struct v4l2_mbus_framefmt vf_ffmt = {0};
5252 
5253 		if (pix->width < 640 || pix->height < 480) {
5254 			vf_size.width = pix->width;
5255 			vf_size.height = pix->height;
5256 		} else {
5257 			vf_size.width = 640;
5258 			vf_size.height = 480;
5259 		}
5260 
5261 		/* FIXME: proper format name for this one. See
5262 		   atomisp_output_fmts[] in atomisp_v4l2.c */
5263 		vf_ffmt.code = V4L2_MBUS_FMT_CUSTOM_YUV420;
5264 
5265 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5266 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5267 					     ATOMISP_SUBDEV_PAD_SOURCE_VF,
5268 					     V4L2_SEL_TGT_COMPOSE, 0, &vf_size);
5269 		atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5270 					V4L2_SUBDEV_FORMAT_ACTIVE,
5271 					ATOMISP_SUBDEV_PAD_SOURCE_VF, &vf_ffmt);
5272 		asd->video_out_vf.sh_fmt = IA_CSS_FRAME_FORMAT_NV12;
5273 
5274 		if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5275 			atomisp_css_video_configure_viewfinder(asd,
5276 							       vf_size.width, vf_size.height, 0,
5277 							       asd->video_out_vf.sh_fmt);
5278 		} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5279 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5280 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO)
5281 				atomisp_css_video_configure_viewfinder(asd,
5282 								       vf_size.width, vf_size.height, 0,
5283 								       asd->video_out_vf.sh_fmt);
5284 			else
5285 				atomisp_css_capture_configure_viewfinder(asd,
5286 					vf_size.width, vf_size.height, 0,
5287 					asd->video_out_vf.sh_fmt);
5288 		} else if (source_pad != ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5289 			   asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT) {
5290 			atomisp_css_capture_configure_viewfinder(asd,
5291 				vf_size.width, vf_size.height, 0,
5292 				asd->video_out_vf.sh_fmt);
5293 		}
5294 	}
5295 
5296 	if (asd->continuous_mode->val) {
5297 		ret = __enable_continuous_mode(asd, true);
5298 		if (ret)
5299 			return -EINVAL;
5300 	}
5301 
5302 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_BUFFERED_SENSOR);
5303 
5304 	for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++)
5305 		asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipe_extra_configs[i].disable_vf_pp = asd->vfpp->val != ATOMISP_VFPP_ENABLE;
5306 
5307 	/* ISP2401 new input system need to use copy pipe */
5308 	if (asd->copy_mode) {
5309 		pipe_id = IA_CSS_PIPE_ID_COPY;
5310 		atomisp_css_capture_enable_online(asd, stream_index, false);
5311 	} else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER) {
5312 		/* video same in continuouscapture and online modes */
5313 		configure_output = atomisp_css_video_configure_output;
5314 		get_frame_info = atomisp_css_video_get_output_frame_info;
5315 		pipe_id = IA_CSS_PIPE_ID_VIDEO;
5316 	} else if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5317 		if (!asd->continuous_mode->val) {
5318 			configure_output = atomisp_css_video_configure_output;
5319 			get_frame_info =
5320 			    atomisp_css_video_get_output_frame_info;
5321 			pipe_id = IA_CSS_PIPE_ID_VIDEO;
5322 		} else {
5323 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW ||
5324 			    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5325 				configure_output =
5326 				    atomisp_css_video_configure_output;
5327 				get_frame_info =
5328 				    atomisp_css_video_get_output_frame_info;
5329 				configure_pp_input =
5330 				    atomisp_css_video_configure_pp_input;
5331 				pipe_id = IA_CSS_PIPE_ID_VIDEO;
5332 			} else {
5333 				configure_output =
5334 				    atomisp_css_capture_configure_output;
5335 				get_frame_info =
5336 				    atomisp_css_capture_get_output_frame_info;
5337 				configure_pp_input =
5338 				    atomisp_css_capture_configure_pp_input;
5339 				pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5340 
5341 				atomisp_update_capture_mode(asd);
5342 				atomisp_css_capture_enable_online(asd, stream_index, false);
5343 			}
5344 		}
5345 	} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5346 		configure_output = atomisp_css_preview_configure_output;
5347 		get_frame_info = atomisp_css_preview_get_output_frame_info;
5348 		configure_pp_input = atomisp_css_preview_configure_pp_input;
5349 		pipe_id = IA_CSS_PIPE_ID_PREVIEW;
5350 	} else {
5351 		/* CSS doesn't support low light mode on SOC cameras, so disable
5352 		 * it. FIXME: if this is done elsewhere, it gives corrupted
5353 		 * colors into thumbnail image.
5354 		 */
5355 		if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5356 			asd->params.low_light = false;
5357 
5358 		if (format->sh_fmt == IA_CSS_FRAME_FORMAT_RAW) {
5359 			atomisp_css_capture_set_mode(asd, IA_CSS_CAPTURE_MODE_RAW);
5360 			atomisp_css_enable_dz(asd, false);
5361 		} else {
5362 			atomisp_update_capture_mode(asd);
5363 		}
5364 
5365 		if (!asd->continuous_mode->val)
5366 			/* in case of ANR, force capture pipe to offline mode */
5367 			atomisp_css_capture_enable_online(asd, stream_index,
5368 							  asd->params.low_light ?
5369 							  false : asd->params.online_process);
5370 
5371 		configure_output = atomisp_css_capture_configure_output;
5372 		get_frame_info = atomisp_css_capture_get_output_frame_info;
5373 		configure_pp_input = atomisp_css_capture_configure_pp_input;
5374 		pipe_id = IA_CSS_PIPE_ID_CAPTURE;
5375 
5376 		if (!asd->params.online_process &&
5377 		    !asd->continuous_mode->val) {
5378 			ret = atomisp_css_capture_get_output_raw_frame_info(asd,
5379 				raw_output_info);
5380 			if (ret)
5381 				return ret;
5382 		}
5383 		if (!asd->continuous_mode->val && asd->run_mode->val
5384 		    != ATOMISP_RUN_MODE_STILL_CAPTURE) {
5385 			dev_err(isp->dev,
5386 				"Need to set the running mode first\n");
5387 			asd->run_mode->val = ATOMISP_RUN_MODE_STILL_CAPTURE;
5388 		}
5389 	}
5390 
5391 	/*
5392 	 * to SOC camera, use yuvpp pipe.
5393 	 */
5394 	if (ATOMISP_USE_YUVPP(asd))
5395 		pipe_id = IA_CSS_PIPE_ID_YUVPP;
5396 
5397 	if (asd->copy_mode)
5398 		ret = atomisp_css_copy_configure_output(asd, stream_index,
5399 							pix->width, pix->height,
5400 							format->planar ? pix->bytesperline :
5401 							pix->bytesperline * 8 / format->depth,
5402 							format->sh_fmt);
5403 	else
5404 		ret = configure_output(asd, pix->width, pix->height,
5405 				       format->planar ? pix->bytesperline :
5406 				       pix->bytesperline * 8 / format->depth,
5407 				       format->sh_fmt);
5408 	if (ret) {
5409 		dev_err(isp->dev, "configure_output %ux%u, format %8.8x\n",
5410 			pix->width, pix->height, format->sh_fmt);
5411 		return -EINVAL;
5412 	}
5413 
5414 	if (asd->continuous_mode->val &&
5415 	    (configure_pp_input == atomisp_css_preview_configure_pp_input ||
5416 	     configure_pp_input == atomisp_css_video_configure_pp_input)) {
5417 		/* for isp 2.2, configure pp input is available for continuous
5418 		 * mode */
5419 		ret = configure_pp_input(asd, isp_sink_crop->width,
5420 					 isp_sink_crop->height);
5421 		if (ret) {
5422 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5423 				isp_sink_crop->width,
5424 				isp_sink_crop->height);
5425 			return -EINVAL;
5426 		}
5427 	} else {
5428 		ret = configure_pp_input(asd, isp_sink_crop->width,
5429 					 isp_sink_crop->height);
5430 		if (ret) {
5431 			dev_err(isp->dev, "configure_pp_input %ux%u\n",
5432 				isp_sink_crop->width, isp_sink_crop->height);
5433 			return -EINVAL;
5434 		}
5435 	}
5436 	if (asd->copy_mode)
5437 		ret = atomisp_css_copy_get_output_frame_info(asd, stream_index,
5438 			output_info);
5439 	else
5440 		ret = get_frame_info(asd, output_info);
5441 	if (ret) {
5442 		dev_err(isp->dev, "get_frame_info %ux%u (padded to %u)\n",
5443 			pix->width, pix->height, pix->bytesperline);
5444 		return -EINVAL;
5445 	}
5446 
5447 	atomisp_update_grid_info(asd, pipe_id, source_pad);
5448 
5449 	/* Free the raw_dump buffer first */
5450 	ia_css_frame_free(asd->raw_output_frame);
5451 	asd->raw_output_frame = NULL;
5452 
5453 	if (!asd->continuous_mode->val &&
5454 	    !asd->params.online_process && !isp->sw_contex.file_input &&
5455 	    ia_css_frame_allocate_from_info(&asd->raw_output_frame,
5456 		    raw_output_info))
5457 		return -ENOMEM;
5458 
5459 	return 0;
5460 }
5461 
5462 static void atomisp_get_dis_envelop(struct atomisp_sub_device *asd,
5463 				    unsigned int width, unsigned int height,
5464 				    unsigned int *dvs_env_w, unsigned int *dvs_env_h)
5465 {
5466 	struct atomisp_device *isp = asd->isp;
5467 
5468 	/* if subdev type is SOC camera,we do not need to set DVS */
5469 	if (isp->inputs[asd->input_curr].type == SOC_CAMERA)
5470 		asd->params.video_dis_en = false;
5471 
5472 	if (asd->params.video_dis_en &&
5473 	    asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO) {
5474 		/* envelope is 20% of the output resolution */
5475 		/*
5476 		 * dvs envelope cannot be round up.
5477 		 * it would cause ISP timeout and color switch issue
5478 		 */
5479 		*dvs_env_w = rounddown(width / 5, ATOM_ISP_STEP_WIDTH);
5480 		*dvs_env_h = rounddown(height / 5, ATOM_ISP_STEP_HEIGHT);
5481 	}
5482 
5483 	asd->params.dis_proj_data_valid = false;
5484 	asd->params.css_update_params_needed = true;
5485 }
5486 
5487 static void atomisp_check_copy_mode(struct atomisp_sub_device *asd,
5488 				    int source_pad, struct v4l2_format *f)
5489 {
5490 #if defined(ISP2401_NEW_INPUT_SYSTEM)
5491 	struct v4l2_mbus_framefmt *sink, *src;
5492 
5493 	sink = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5494 				       V4L2_SUBDEV_FORMAT_ACTIVE, ATOMISP_SUBDEV_PAD_SINK);
5495 	src = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5496 				      V4L2_SUBDEV_FORMAT_ACTIVE, source_pad);
5497 
5498 	if ((sink->code == src->code &&
5499 	     sink->width == f->fmt.pix.width &&
5500 	     sink->height == f->fmt.pix.height) ||
5501 	    ((asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5502 	     (asd->isp->inputs[asd->input_curr].camera_caps->
5503 	      sensor[asd->sensor_curr].stream_num > 1)))
5504 		asd->copy_mode = true;
5505 	else
5506 #endif
5507 		/* Only used for the new input system */
5508 		asd->copy_mode = false;
5509 
5510 	dev_dbg(asd->isp->dev, "copy_mode: %d\n", asd->copy_mode);
5511 }
5512 
5513 static int atomisp_set_fmt_to_snr(struct video_device *vdev,
5514 				  struct v4l2_format *f, unsigned int pixelformat,
5515 				  unsigned int padding_w, unsigned int padding_h,
5516 				  unsigned int dvs_env_w, unsigned int dvs_env_h)
5517 {
5518 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
5519 	const struct atomisp_format_bridge *format;
5520 	struct v4l2_subdev_pad_config pad_cfg;
5521 	struct v4l2_subdev_format vformat = {
5522 		.which = V4L2_SUBDEV_FORMAT_TRY,
5523 	};
5524 	struct v4l2_mbus_framefmt *ffmt = &vformat.format;
5525 	struct v4l2_mbus_framefmt *req_ffmt;
5526 	struct atomisp_device *isp = asd->isp;
5527 	struct atomisp_input_stream_info *stream_info =
5528 	    (struct atomisp_input_stream_info *)ffmt->reserved;
5529 	u16 stream_index = ATOMISP_INPUT_STREAM_GENERAL;
5530 	int source_pad = atomisp_subdev_source_pad(vdev);
5531 	struct v4l2_subdev_fh fh;
5532 	int ret;
5533 
5534 	v4l2_fh_init(&fh.vfh, vdev);
5535 
5536 	stream_index = atomisp_source_pad_to_stream_id(asd, source_pad);
5537 
5538 	format = atomisp_get_format_bridge(pixelformat);
5539 	if (!format)
5540 		return -EINVAL;
5541 
5542 	v4l2_fill_mbus_format(ffmt, &f->fmt.pix, format->mbus_code);
5543 	ffmt->height += padding_h + dvs_env_h;
5544 	ffmt->width += padding_w + dvs_env_w;
5545 
5546 	dev_dbg(isp->dev, "s_mbus_fmt: ask %ux%u (padding %ux%u, dvs %ux%u)\n",
5547 		ffmt->width, ffmt->height, padding_w, padding_h,
5548 		dvs_env_w, dvs_env_h);
5549 
5550 	__atomisp_init_stream_info(stream_index, stream_info);
5551 
5552 	req_ffmt = ffmt;
5553 
5554 	/* Disable dvs if resolution can't be supported by sensor */
5555 	if (asd->params.video_dis_en &&
5556 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO) {
5557 		vformat.which = V4L2_SUBDEV_FORMAT_TRY;
5558 		ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
5559 				       pad, set_fmt, &pad_cfg, &vformat);
5560 		if (ret)
5561 			return ret;
5562 		if (ffmt->width < req_ffmt->width ||
5563 		    ffmt->height < req_ffmt->height) {
5564 			req_ffmt->height -= dvs_env_h;
5565 			req_ffmt->width -= dvs_env_w;
5566 			ffmt = req_ffmt;
5567 			dev_warn(isp->dev,
5568 				 "can not enable video dis due to sensor limitation.");
5569 			asd->params.video_dis_en = false;
5570 		}
5571 	}
5572 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5573 		ffmt->width, ffmt->height);
5574 	vformat.which = V4L2_SUBDEV_FORMAT_ACTIVE;
5575 	ret = v4l2_subdev_call(isp->inputs[asd->input_curr].camera, pad,
5576 			       set_fmt, NULL, &vformat);
5577 	if (ret)
5578 		return ret;
5579 
5580 	__atomisp_update_stream_env(asd, stream_index, stream_info);
5581 
5582 	dev_dbg(isp->dev, "sensor width: %d, height: %d\n",
5583 		ffmt->width, ffmt->height);
5584 
5585 	if (ffmt->width < ATOM_ISP_STEP_WIDTH ||
5586 	    ffmt->height < ATOM_ISP_STEP_HEIGHT)
5587 		return -EINVAL;
5588 
5589 	if (asd->params.video_dis_en &&
5590 	    source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
5591 	    (ffmt->width < req_ffmt->width || ffmt->height < req_ffmt->height)) {
5592 		dev_warn(isp->dev,
5593 			 "can not enable video dis due to sensor limitation.");
5594 		asd->params.video_dis_en = false;
5595 	}
5596 
5597 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5598 				V4L2_SUBDEV_FORMAT_ACTIVE,
5599 				ATOMISP_SUBDEV_PAD_SINK, ffmt);
5600 
5601 	return css_input_resolution_changed(asd, ffmt);
5602 }
5603 
5604 int atomisp_set_fmt(struct video_device *vdev, struct v4l2_format *f)
5605 {
5606 	struct atomisp_device *isp = video_get_drvdata(vdev);
5607 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
5608 	struct atomisp_sub_device *asd = pipe->asd;
5609 	const struct atomisp_format_bridge *format_bridge;
5610 	const struct atomisp_format_bridge *snr_format_bridge;
5611 	struct ia_css_frame_info output_info, raw_output_info;
5612 	struct v4l2_format snr_fmt = *f;
5613 	struct v4l2_format backup_fmt = *f, s_fmt = *f;
5614 	unsigned int dvs_env_w = 0, dvs_env_h = 0;
5615 	unsigned int padding_w = pad_w, padding_h = pad_h;
5616 	bool res_overflow = false, crop_needs_override = false;
5617 	struct v4l2_mbus_framefmt *isp_sink_fmt;
5618 	struct v4l2_mbus_framefmt isp_source_fmt = {0};
5619 	struct v4l2_rect isp_sink_crop;
5620 	u16 source_pad = atomisp_subdev_source_pad(vdev);
5621 	struct v4l2_subdev_fh fh;
5622 	int ret;
5623 
5624 	if (source_pad >= ATOMISP_SUBDEV_PADS_NUM)
5625 		return -EINVAL;
5626 
5627 	if (asd->streaming == ATOMISP_DEVICE_STREAMING_ENABLED) {
5628 		dev_warn(isp->dev, "ISP does not support set format while at streaming!\n");
5629 		return -EBUSY;
5630 	}
5631 
5632 	dev_dbg(isp->dev,
5633 		"setting resolution %ux%u on pad %u for asd%d, bytesperline %u\n",
5634 		f->fmt.pix.width, f->fmt.pix.height, source_pad,
5635 		asd->index, f->fmt.pix.bytesperline);
5636 
5637 	v4l2_fh_init(&fh.vfh, vdev);
5638 
5639 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
5640 	if (!format_bridge)
5641 		return -EINVAL;
5642 
5643 	pipe->sh_fmt = format_bridge->sh_fmt;
5644 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
5645 
5646 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_VF ||
5647 	    (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5648 	     && asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)) {
5649 		if (asd->fmt_auto->val) {
5650 			struct v4l2_rect *capture_comp;
5651 			struct v4l2_rect r = {0};
5652 
5653 			r.width = f->fmt.pix.width;
5654 			r.height = f->fmt.pix.height;
5655 
5656 			if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW)
5657 				capture_comp = atomisp_subdev_get_rect(
5658 						   &asd->subdev, NULL,
5659 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5660 						   ATOMISP_SUBDEV_PAD_SOURCE_VIDEO,
5661 						   V4L2_SEL_TGT_COMPOSE);
5662 			else
5663 				capture_comp = atomisp_subdev_get_rect(
5664 						   &asd->subdev, NULL,
5665 						   V4L2_SUBDEV_FORMAT_ACTIVE,
5666 						   ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5667 						   V4L2_SEL_TGT_COMPOSE);
5668 
5669 			if (capture_comp->width < r.width
5670 			    || capture_comp->height < r.height) {
5671 				r.width = capture_comp->width;
5672 				r.height = capture_comp->height;
5673 			}
5674 
5675 			atomisp_subdev_set_selection(
5676 			    &asd->subdev, fh.pad,
5677 			    V4L2_SUBDEV_FORMAT_ACTIVE, source_pad,
5678 			    V4L2_SEL_TGT_COMPOSE, 0, &r);
5679 
5680 			f->fmt.pix.width = r.width;
5681 			f->fmt.pix.height = r.height;
5682 		}
5683 
5684 		if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW &&
5685 		    (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) &&
5686 		    (asd->isp->inputs[asd->input_curr].camera_caps->
5687 		     sensor[asd->sensor_curr].stream_num > 1)) {
5688 			/* For M10MO outputing YUV preview images. */
5689 			u16 video_index =
5690 			    atomisp_source_pad_to_stream_id(asd,
5691 							    ATOMISP_SUBDEV_PAD_SOURCE_VIDEO);
5692 
5693 			ret = atomisp_css_copy_get_output_frame_info(asd,
5694 				video_index, &output_info);
5695 			if (ret) {
5696 				dev_err(isp->dev,
5697 					"copy_get_output_frame_info ret %i", ret);
5698 				return -EINVAL;
5699 			}
5700 			if (!asd->yuvpp_mode) {
5701 				/*
5702 				 * If viewfinder was configured into copy_mode,
5703 				 * we switch to using yuvpp pipe instead.
5704 				 */
5705 				asd->yuvpp_mode = true;
5706 				ret = atomisp_css_copy_configure_output(
5707 					  asd, video_index, 0, 0, 0, 0);
5708 				if (ret) {
5709 					dev_err(isp->dev,
5710 						"failed to disable copy pipe");
5711 					return -EINVAL;
5712 				}
5713 				ret = atomisp_css_yuvpp_configure_output(
5714 					  asd, video_index,
5715 					  output_info.res.width,
5716 					  output_info.res.height,
5717 					  output_info.padded_width,
5718 					  output_info.format);
5719 				if (ret) {
5720 					dev_err(isp->dev,
5721 						"failed to set up yuvpp pipe\n");
5722 					return -EINVAL;
5723 				}
5724 				atomisp_css_video_enable_online(asd, false);
5725 				atomisp_css_preview_enable_online(asd,
5726 								  ATOMISP_INPUT_STREAM_GENERAL, false);
5727 			}
5728 			atomisp_css_yuvpp_configure_viewfinder(asd, video_index,
5729 							       f->fmt.pix.width, f->fmt.pix.height,
5730 							       format_bridge->planar ? f->fmt.pix.bytesperline
5731 							       : f->fmt.pix.bytesperline * 8
5732 							       / format_bridge->depth, format_bridge->sh_fmt);
5733 			atomisp_css_yuvpp_get_viewfinder_frame_info(
5734 			    asd, video_index, &output_info);
5735 		} else if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW) {
5736 			atomisp_css_video_configure_viewfinder(asd,
5737 							       f->fmt.pix.width, f->fmt.pix.height,
5738 							       format_bridge->planar ? f->fmt.pix.bytesperline
5739 							       : f->fmt.pix.bytesperline * 8
5740 							       / format_bridge->depth,	format_bridge->sh_fmt);
5741 			atomisp_css_video_get_viewfinder_frame_info(asd,
5742 				&output_info);
5743 			asd->copy_mode = false;
5744 		} else {
5745 			atomisp_css_capture_configure_viewfinder(asd,
5746 				f->fmt.pix.width, f->fmt.pix.height,
5747 				format_bridge->planar ? f->fmt.pix.bytesperline
5748 				: f->fmt.pix.bytesperline * 8
5749 				/ format_bridge->depth,	format_bridge->sh_fmt);
5750 			atomisp_css_capture_get_viewfinder_frame_info(asd,
5751 				&output_info);
5752 			asd->copy_mode = false;
5753 		}
5754 
5755 		goto done;
5756 	}
5757 	/*
5758 	 * Check whether main resolution configured smaller
5759 	 * than snapshot resolution. If so, force main resolution
5760 	 * to be the same as snapshot resolution
5761 	 */
5762 	if (source_pad == ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE) {
5763 		struct v4l2_rect *r;
5764 
5765 		r = atomisp_subdev_get_rect(
5766 			&asd->subdev, NULL,
5767 			V4L2_SUBDEV_FORMAT_ACTIVE,
5768 			ATOMISP_SUBDEV_PAD_SOURCE_VF, V4L2_SEL_TGT_COMPOSE);
5769 
5770 		if (r->width && r->height
5771 		    && (r->width > f->fmt.pix.width
5772 			|| r->height > f->fmt.pix.height))
5773 			dev_warn(isp->dev,
5774 				 "Main Resolution config smaller then Vf Resolution. Force to be equal with Vf Resolution.");
5775 	}
5776 
5777 	/* Pipeline configuration done through subdevs. Bail out now. */
5778 	if (!asd->fmt_auto->val)
5779 		goto set_fmt_to_isp;
5780 
5781 	/* get sensor resolution and format */
5782 	ret = atomisp_try_fmt(vdev, &snr_fmt, &res_overflow);
5783 	if (ret) {
5784 		dev_warn(isp->dev, "Try format failed with error %d\n", ret);
5785 		return ret;
5786 	}
5787 	f->fmt.pix.width = snr_fmt.fmt.pix.width;
5788 	f->fmt.pix.height = snr_fmt.fmt.pix.height;
5789 
5790 	snr_format_bridge =
5791 	    atomisp_get_format_bridge(snr_fmt.fmt.pix.pixelformat);
5792 	if (!snr_format_bridge) {
5793 		dev_warn(isp->dev, "Can't find bridge format\n");
5794 		return -EINVAL;
5795 	}
5796 
5797 	atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5798 				V4L2_SUBDEV_FORMAT_ACTIVE,
5799 				ATOMISP_SUBDEV_PAD_SINK)->code =
5800 				    snr_format_bridge->mbus_code;
5801 
5802 	isp_sink_fmt = atomisp_subdev_get_ffmt(&asd->subdev, NULL,
5803 						V4L2_SUBDEV_FORMAT_ACTIVE,
5804 						ATOMISP_SUBDEV_PAD_SINK);
5805 
5806 	isp_source_fmt.code = format_bridge->mbus_code;
5807 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad,
5808 				V4L2_SUBDEV_FORMAT_ACTIVE,
5809 				source_pad, &isp_source_fmt);
5810 
5811 	if (!atomisp_subdev_format_conversion(asd, source_pad)) {
5812 		padding_w = 0;
5813 		padding_h = 0;
5814 	} else if (IS_BYT) {
5815 		padding_w = 12;
5816 		padding_h = 12;
5817 	}
5818 
5819 	/* construct resolution supported by isp */
5820 	if (res_overflow && !asd->continuous_mode->val) {
5821 		f->fmt.pix.width = rounddown(
5822 				       clamp_t(u32, f->fmt.pix.width - padding_w,
5823 					       ATOM_ISP_MIN_WIDTH,
5824 					       ATOM_ISP_MAX_WIDTH), ATOM_ISP_STEP_WIDTH);
5825 		f->fmt.pix.height = rounddown(
5826 					clamp_t(u32, f->fmt.pix.height - padding_h,
5827 						ATOM_ISP_MIN_HEIGHT,
5828 						ATOM_ISP_MAX_HEIGHT), ATOM_ISP_STEP_HEIGHT);
5829 	}
5830 
5831 	atomisp_get_dis_envelop(asd, f->fmt.pix.width, f->fmt.pix.height,
5832 				&dvs_env_w, &dvs_env_h);
5833 
5834 	if (asd->continuous_mode->val) {
5835 		struct v4l2_rect *r;
5836 
5837 		r = atomisp_subdev_get_rect(
5838 			&asd->subdev, NULL,
5839 			V4L2_SUBDEV_FORMAT_ACTIVE,
5840 			ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE,
5841 			V4L2_SEL_TGT_COMPOSE);
5842 		/*
5843 		 * The ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE should get resolutions
5844 		 * properly set otherwise, it should not be the capture_pad.
5845 		 */
5846 		if (r->width && r->height)
5847 			asd->capture_pad = ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE;
5848 		else
5849 			asd->capture_pad = source_pad;
5850 	} else {
5851 		asd->capture_pad = source_pad;
5852 	}
5853 	/*
5854 	 * set format info to sensor
5855 	 * In continuous mode, resolution is set only if it is higher than
5856 	 * existing value. This because preview pipe will be configured after
5857 	 * capture pipe and usually has lower resolution than capture pipe.
5858 	 */
5859 	if (!asd->continuous_mode->val ||
5860 	    isp_sink_fmt->width < (f->fmt.pix.width + padding_w + dvs_env_w) ||
5861 	    isp_sink_fmt->height < (f->fmt.pix.height + padding_h +
5862 				    dvs_env_h)) {
5863 		/*
5864 		 * For jpeg or custom raw format the sensor will return constant
5865 		 * width and height. Because we already had quried try_mbus_fmt,
5866 		 * f->fmt.pix.width and f->fmt.pix.height has been changed to
5867 		 * this fixed width and height. So we cannot select the correct
5868 		 * resolution with that information. So use the original width
5869 		 * and height while set_mbus_fmt() so actual resolutions are
5870 		 * being used in while set media bus format.
5871 		 */
5872 		s_fmt = *f;
5873 		if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_JPEG ||
5874 		    f->fmt.pix.pixelformat == V4L2_PIX_FMT_CUSTOM_M10MO_RAW) {
5875 			s_fmt.fmt.pix.width = backup_fmt.fmt.pix.width;
5876 			s_fmt.fmt.pix.height = backup_fmt.fmt.pix.height;
5877 		}
5878 		ret = atomisp_set_fmt_to_snr(vdev, &s_fmt,
5879 					     f->fmt.pix.pixelformat, padding_w,
5880 					     padding_h, dvs_env_w, dvs_env_h);
5881 		if (ret) {
5882 			dev_warn(isp->dev,
5883 				 "Set format to sensor failed with %d\n", ret);
5884 			return -EINVAL;
5885 		}
5886 
5887 		atomisp_csi_lane_config(isp);
5888 		crop_needs_override = true;
5889 	}
5890 
5891 	atomisp_check_copy_mode(asd, source_pad, &backup_fmt);
5892 	asd->yuvpp_mode = false;			/* Reset variable */
5893 
5894 	isp_sink_crop = *atomisp_subdev_get_rect(&asd->subdev, NULL,
5895 			V4L2_SUBDEV_FORMAT_ACTIVE,
5896 			ATOMISP_SUBDEV_PAD_SINK,
5897 			V4L2_SEL_TGT_CROP);
5898 
5899 	/* Try to enable YUV downscaling if ISP input is 10 % (either
5900 	 * width or height) bigger than the desired result. */
5901 	if (isp_sink_crop.width * 9 / 10 < f->fmt.pix.width ||
5902 	    isp_sink_crop.height * 9 / 10 < f->fmt.pix.height ||
5903 	    (atomisp_subdev_format_conversion(asd, source_pad) &&
5904 	     ((asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
5905 	       !asd->continuous_mode->val) ||
5906 	      asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER))) {
5907 		/* for continuous mode, preview size might be smaller than
5908 		 * still capture size. if preview size still needs crop,
5909 		 * pick the larger one between crop size of preview and
5910 		 * still capture.
5911 		 */
5912 		if (asd->continuous_mode->val
5913 		    && source_pad == ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW
5914 		    && !crop_needs_override) {
5915 			isp_sink_crop.width =
5916 			    max_t(unsigned int, f->fmt.pix.width,
5917 				  isp_sink_crop.width);
5918 			isp_sink_crop.height =
5919 			    max_t(unsigned int, f->fmt.pix.height,
5920 				  isp_sink_crop.height);
5921 		} else {
5922 			isp_sink_crop.width = f->fmt.pix.width;
5923 			isp_sink_crop.height = f->fmt.pix.height;
5924 		}
5925 
5926 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5927 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5928 					     ATOMISP_SUBDEV_PAD_SINK,
5929 					     V4L2_SEL_TGT_CROP,
5930 					     V4L2_SEL_FLAG_KEEP_CONFIG,
5931 					     &isp_sink_crop);
5932 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5933 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5934 					     source_pad, V4L2_SEL_TGT_COMPOSE,
5935 					     0, &isp_sink_crop);
5936 	} else if (IS_MOFD) {
5937 		struct v4l2_rect main_compose = {0};
5938 
5939 		main_compose.width = isp_sink_crop.width;
5940 		main_compose.height =
5941 		    DIV_ROUND_UP(main_compose.width * f->fmt.pix.height,
5942 				 f->fmt.pix.width);
5943 		if (main_compose.height > isp_sink_crop.height) {
5944 			main_compose.height = isp_sink_crop.height;
5945 			main_compose.width =
5946 			    DIV_ROUND_UP(main_compose.height *
5947 					 f->fmt.pix.width,
5948 					 f->fmt.pix.height);
5949 		}
5950 
5951 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5952 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5953 					     source_pad,
5954 					     V4L2_SEL_TGT_COMPOSE, 0,
5955 					     &main_compose);
5956 	} else {
5957 		struct v4l2_rect sink_crop = {0};
5958 		struct v4l2_rect main_compose = {0};
5959 
5960 		main_compose.width = f->fmt.pix.width;
5961 		main_compose.height = f->fmt.pix.height;
5962 
5963 		/* WORKAROUND: this override is universally enabled in
5964 		 * GMIN to work around a CTS failures (GMINL-539)
5965 		 * which appears to be related by a hardware
5966 		 * performance limitation.  It's unclear why this
5967 		 * particular code triggers the issue. */
5968 		if (!IS_ISP2401 || crop_needs_override) {
5969 			if (isp_sink_crop.width * main_compose.height >
5970 			    isp_sink_crop.height * main_compose.width) {
5971 				sink_crop.height = isp_sink_crop.height;
5972 				sink_crop.width = DIV_NEAREST_STEP(
5973 						      sink_crop.height *
5974 						      f->fmt.pix.width,
5975 						      f->fmt.pix.height,
5976 						      ATOM_ISP_STEP_WIDTH);
5977 			} else {
5978 				sink_crop.width = isp_sink_crop.width;
5979 				sink_crop.height = DIV_NEAREST_STEP(
5980 						       sink_crop.width *
5981 						       f->fmt.pix.height,
5982 						       f->fmt.pix.width,
5983 						       ATOM_ISP_STEP_HEIGHT);
5984 			}
5985 			atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5986 						     V4L2_SUBDEV_FORMAT_ACTIVE,
5987 						     ATOMISP_SUBDEV_PAD_SINK,
5988 						     V4L2_SEL_TGT_CROP,
5989 						     V4L2_SEL_FLAG_KEEP_CONFIG,
5990 						     &sink_crop);
5991 		}
5992 		atomisp_subdev_set_selection(&asd->subdev, fh.pad,
5993 					     V4L2_SUBDEV_FORMAT_ACTIVE,
5994 					     source_pad,
5995 					     V4L2_SEL_TGT_COMPOSE, 0,
5996 					     &main_compose);
5997 	}
5998 
5999 set_fmt_to_isp:
6000 	ret = atomisp_set_fmt_to_isp(vdev, &output_info, &raw_output_info,
6001 				     &f->fmt.pix, source_pad);
6002 	if (ret) {
6003 		dev_warn(isp->dev, "Can't set format on ISP. Error %d\n", ret);
6004 		return -EINVAL;
6005 	}
6006 done:
6007 	pipe->pix.width = f->fmt.pix.width;
6008 	pipe->pix.height = f->fmt.pix.height;
6009 	pipe->pix.pixelformat = f->fmt.pix.pixelformat;
6010 	if (format_bridge->planar) {
6011 		pipe->pix.bytesperline = output_info.padded_width;
6012 		pipe->pix.sizeimage = PAGE_ALIGN(f->fmt.pix.height *
6013 						 DIV_ROUND_UP(format_bridge->depth *
6014 							 output_info.padded_width, 8));
6015 	} else {
6016 		pipe->pix.bytesperline =
6017 		    DIV_ROUND_UP(format_bridge->depth *
6018 				 output_info.padded_width, 8);
6019 		pipe->pix.sizeimage =
6020 		    PAGE_ALIGN(f->fmt.pix.height * pipe->pix.bytesperline);
6021 	}
6022 	dev_dbg(isp->dev, "%s: image size: %d, %d bytes per line\n",
6023 		__func__, pipe->pix.sizeimage, pipe->pix.bytesperline);
6024 
6025 	if (f->fmt.pix.field == V4L2_FIELD_ANY)
6026 		f->fmt.pix.field = V4L2_FIELD_NONE;
6027 	pipe->pix.field = f->fmt.pix.field;
6028 
6029 	f->fmt.pix = pipe->pix;
6030 	f->fmt.pix.priv = PAGE_ALIGN(pipe->pix.width *
6031 				     pipe->pix.height * 2);
6032 
6033 	pipe->capq.field = f->fmt.pix.field;
6034 
6035 	/*
6036 	 * If in video 480P case, no GFX throttle
6037 	 */
6038 	if (asd->run_mode->val == ATOMISP_SUBDEV_PAD_SOURCE_VIDEO &&
6039 	    f->fmt.pix.width == 720 && f->fmt.pix.height == 480)
6040 		isp->need_gfx_throttle = false;
6041 	else
6042 		isp->need_gfx_throttle = true;
6043 
6044 	return 0;
6045 }
6046 
6047 int atomisp_set_fmt_file(struct video_device *vdev, struct v4l2_format *f)
6048 {
6049 	struct atomisp_device *isp = video_get_drvdata(vdev);
6050 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6051 	struct atomisp_sub_device *asd = pipe->asd;
6052 	struct v4l2_mbus_framefmt ffmt = {0};
6053 	const struct atomisp_format_bridge *format_bridge;
6054 	struct v4l2_subdev_fh fh;
6055 	int ret;
6056 
6057 	v4l2_fh_init(&fh.vfh, vdev);
6058 
6059 	dev_dbg(isp->dev, "setting fmt %ux%u 0x%x for file inject\n",
6060 		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.pixelformat);
6061 	ret = atomisp_try_fmt_file(isp, f);
6062 	if (ret) {
6063 		dev_err(isp->dev, "atomisp_try_fmt_file err: %d\n", ret);
6064 		return ret;
6065 	}
6066 
6067 	format_bridge = atomisp_get_format_bridge(f->fmt.pix.pixelformat);
6068 	if (!format_bridge) {
6069 		dev_dbg(isp->dev, "atomisp_get_format_bridge err! fmt:0x%x\n",
6070 			f->fmt.pix.pixelformat);
6071 		return -EINVAL;
6072 	}
6073 
6074 	pipe->pix = f->fmt.pix;
6075 	atomisp_css_input_set_mode(asd, IA_CSS_INPUT_MODE_FIFO);
6076 	atomisp_css_input_configure_port(asd,
6077 					 __get_mipi_port(isp, ATOMISP_CAMERA_PORT_PRIMARY), 2, 0xffff4,
6078 					 0, 0, 0, 0);
6079 	ffmt.width = f->fmt.pix.width;
6080 	ffmt.height = f->fmt.pix.height;
6081 	ffmt.code = format_bridge->mbus_code;
6082 
6083 	atomisp_subdev_set_ffmt(&asd->subdev, fh.pad, V4L2_SUBDEV_FORMAT_ACTIVE,
6084 				ATOMISP_SUBDEV_PAD_SINK, &ffmt);
6085 
6086 	return 0;
6087 }
6088 
6089 int atomisp_set_shading_table(struct atomisp_sub_device *asd,
6090 			      struct atomisp_shading_table *user_shading_table)
6091 {
6092 	struct ia_css_shading_table *shading_table;
6093 	struct ia_css_shading_table *free_table;
6094 	unsigned int len_table;
6095 	int i;
6096 	int ret = 0;
6097 
6098 	if (!user_shading_table)
6099 		return -EINVAL;
6100 
6101 	if (!user_shading_table->enable) {
6102 		asd->params.config.shading_table = NULL;
6103 		asd->params.sc_en = false;
6104 		return 0;
6105 	}
6106 
6107 	/* If enabling, all tables must be set */
6108 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6109 		if (!user_shading_table->data[i])
6110 			return -EINVAL;
6111 	}
6112 
6113 	/* Shading table size per color */
6114 	if (!IS_ISP2401) {
6115 		if (user_shading_table->width > ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6116 		    user_shading_table->height > ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6117 			return -EINVAL;
6118 	} else {
6119 		if (user_shading_table->width > ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR ||
6120 		    user_shading_table->height > ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR)
6121 			return -EINVAL;
6122 	}
6123 
6124 	shading_table = atomisp_css_shading_table_alloc(
6125 			    user_shading_table->width, user_shading_table->height);
6126 	if (!shading_table)
6127 		return -ENOMEM;
6128 
6129 	len_table = user_shading_table->width * user_shading_table->height *
6130 		    ATOMISP_SC_TYPE_SIZE;
6131 	for (i = 0; i < ATOMISP_NUM_SC_COLORS; i++) {
6132 		ret = copy_from_user(shading_table->data[i],
6133 				     (void __user *)user_shading_table->data[i],
6134 				     len_table);
6135 		if (ret) {
6136 			free_table = shading_table;
6137 			ret = -EFAULT;
6138 			goto out;
6139 		}
6140 	}
6141 	shading_table->sensor_width = user_shading_table->sensor_width;
6142 	shading_table->sensor_height = user_shading_table->sensor_height;
6143 	shading_table->fraction_bits = user_shading_table->fraction_bits;
6144 
6145 	free_table = asd->params.css_param.shading_table;
6146 	asd->params.css_param.shading_table = shading_table;
6147 	asd->params.config.shading_table = shading_table;
6148 	asd->params.sc_en = true;
6149 
6150 out:
6151 	if (free_table)
6152 		atomisp_css_shading_table_free(free_table);
6153 
6154 	return ret;
6155 }
6156 
6157 /*Turn off ISP dphy */
6158 int atomisp_ospm_dphy_down(struct atomisp_device *isp)
6159 {
6160 	unsigned long flags;
6161 	u32 reg;
6162 
6163 	dev_dbg(isp->dev, "%s\n", __func__);
6164 
6165 	/* if ISP timeout, we can force powerdown */
6166 	if (isp->isp_timeout)
6167 		goto done;
6168 
6169 	if (!atomisp_dev_users(isp))
6170 		goto done;
6171 
6172 	spin_lock_irqsave(&isp->lock, flags);
6173 	isp->sw_contex.power_state = ATOM_ISP_POWER_DOWN;
6174 	spin_unlock_irqrestore(&isp->lock, flags);
6175 done:
6176 	/*
6177 	 * MRFLD IUNIT DPHY is located in an always-power-on island
6178 	 * MRFLD HW design need all CSI ports are disabled before
6179 	 * powering down the IUNIT.
6180 	 */
6181 	pci_read_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, &reg);
6182 	reg |= MRFLD_ALL_CSI_PORTS_OFF_MASK;
6183 	pci_write_config_dword(isp->pdev, MRFLD_PCI_CSI_CONTROL, reg);
6184 	return 0;
6185 }
6186 
6187 /*Turn on ISP dphy */
6188 int atomisp_ospm_dphy_up(struct atomisp_device *isp)
6189 {
6190 	unsigned long flags;
6191 
6192 	dev_dbg(isp->dev, "%s\n", __func__);
6193 
6194 	spin_lock_irqsave(&isp->lock, flags);
6195 	isp->sw_contex.power_state = ATOM_ISP_POWER_UP;
6196 	spin_unlock_irqrestore(&isp->lock, flags);
6197 
6198 	return 0;
6199 }
6200 
6201 int atomisp_exif_makernote(struct atomisp_sub_device *asd,
6202 			   struct atomisp_makernote_info *config)
6203 {
6204 	struct v4l2_control ctrl;
6205 	struct atomisp_device *isp = asd->isp;
6206 
6207 	ctrl.id = V4L2_CID_FOCAL_ABSOLUTE;
6208 	if (v4l2_g_ctrl
6209 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6210 		dev_warn(isp->dev, "failed to g_ctrl for focal length\n");
6211 		return -EINVAL;
6212 	} else {
6213 		config->focal_length = ctrl.value;
6214 	}
6215 
6216 	ctrl.id = V4L2_CID_FNUMBER_ABSOLUTE;
6217 	if (v4l2_g_ctrl
6218 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6219 		dev_warn(isp->dev, "failed to g_ctrl for f-number\n");
6220 		return -EINVAL;
6221 	} else {
6222 		config->f_number_curr = ctrl.value;
6223 	}
6224 
6225 	ctrl.id = V4L2_CID_FNUMBER_RANGE;
6226 	if (v4l2_g_ctrl
6227 	    (isp->inputs[asd->input_curr].camera->ctrl_handler, &ctrl)) {
6228 		dev_warn(isp->dev, "failed to g_ctrl for f number range\n");
6229 		return -EINVAL;
6230 	} else {
6231 		config->f_number_range = ctrl.value;
6232 	}
6233 
6234 	return 0;
6235 }
6236 
6237 int atomisp_offline_capture_configure(struct atomisp_sub_device *asd,
6238 				      struct atomisp_cont_capture_conf *cvf_config)
6239 {
6240 	struct v4l2_ctrl *c;
6241 
6242 	/*
6243 	* In case of M10MO ZSL capture case, we need to issue a separate
6244 	* capture request to M10MO which will output captured jpeg image
6245 	*/
6246 	c = v4l2_ctrl_find(
6247 		asd->isp->inputs[asd->input_curr].camera->ctrl_handler,
6248 		V4L2_CID_START_ZSL_CAPTURE);
6249 	if (c) {
6250 		int ret;
6251 
6252 		dev_dbg(asd->isp->dev, "%s trigger ZSL capture request\n",
6253 			__func__);
6254 		/* TODO: use the cvf_config */
6255 		ret = v4l2_ctrl_s_ctrl(c, 1);
6256 		if (ret)
6257 			return ret;
6258 
6259 		return v4l2_ctrl_s_ctrl(c, 0);
6260 	}
6261 
6262 	asd->params.offline_parm = *cvf_config;
6263 
6264 	if (asd->params.offline_parm.num_captures) {
6265 		if (asd->streaming == ATOMISP_DEVICE_STREAMING_DISABLED) {
6266 			unsigned int init_raw_num;
6267 
6268 			if (asd->enable_raw_buffer_lock->val) {
6269 				init_raw_num =
6270 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES_LOCK_EN;
6271 				if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6272 				    asd->params.video_dis_en)
6273 					init_raw_num +=
6274 					    ATOMISP_CSS2_NUM_DVS_FRAME_DELAY;
6275 			} else {
6276 				init_raw_num =
6277 				    ATOMISP_CSS2_NUM_OFFLINE_INIT_CONTINUOUS_FRAMES;
6278 			}
6279 
6280 			/* TODO: this can be removed once user-space
6281 			 *       has been updated to use control API */
6282 			asd->continuous_raw_buffer_size->val =
6283 			    max_t(int,
6284 				  asd->continuous_raw_buffer_size->val,
6285 				  asd->params.offline_parm.
6286 				  num_captures + init_raw_num);
6287 			asd->continuous_raw_buffer_size->val =
6288 			    min_t(int, ATOMISP_CONT_RAW_FRAMES,
6289 				  asd->continuous_raw_buffer_size->val);
6290 		}
6291 		asd->continuous_mode->val = true;
6292 	} else {
6293 		asd->continuous_mode->val = false;
6294 		__enable_continuous_mode(asd, false);
6295 	}
6296 
6297 	return 0;
6298 }
6299 
6300 /*
6301  * set auto exposure metering window to camera sensor
6302  */
6303 int atomisp_s_ae_window(struct atomisp_sub_device *asd,
6304 			struct atomisp_ae_window *arg)
6305 {
6306 	struct atomisp_device *isp = asd->isp;
6307 	/* Coverity CID 298071 - initialzize struct */
6308 	struct v4l2_subdev_selection sel = { 0 };
6309 
6310 	sel.r.left = arg->x_left;
6311 	sel.r.top = arg->y_top;
6312 	sel.r.width = arg->x_right - arg->x_left + 1;
6313 	sel.r.height = arg->y_bottom - arg->y_top + 1;
6314 
6315 	if (v4l2_subdev_call(isp->inputs[asd->input_curr].camera,
6316 			     pad, set_selection, NULL, &sel)) {
6317 		dev_err(isp->dev, "failed to call sensor set_selection.\n");
6318 		return -EINVAL;
6319 	}
6320 
6321 	return 0;
6322 }
6323 
6324 int atomisp_flash_enable(struct atomisp_sub_device *asd, int num_frames)
6325 {
6326 	struct atomisp_device *isp = asd->isp;
6327 
6328 	if (num_frames < 0) {
6329 		dev_dbg(isp->dev, "%s ERROR: num_frames: %d\n", __func__,
6330 			num_frames);
6331 		return -EINVAL;
6332 	}
6333 	/* a requested flash is still in progress. */
6334 	if (num_frames && asd->params.flash_state != ATOMISP_FLASH_IDLE) {
6335 		dev_dbg(isp->dev, "%s flash busy: %d frames left: %d\n",
6336 			__func__, asd->params.flash_state,
6337 			asd->params.num_flash_frames);
6338 		return -EBUSY;
6339 	}
6340 
6341 	asd->params.num_flash_frames = num_frames;
6342 	asd->params.flash_state = ATOMISP_FLASH_REQUESTED;
6343 	return 0;
6344 }
6345 
6346 int atomisp_source_pad_to_stream_id(struct atomisp_sub_device *asd,
6347 				    uint16_t source_pad)
6348 {
6349 	int stream_id;
6350 	struct atomisp_device *isp = asd->isp;
6351 
6352 	if (isp->inputs[asd->input_curr].camera_caps->
6353 	    sensor[asd->sensor_curr].stream_num == 1)
6354 		return ATOMISP_INPUT_STREAM_GENERAL;
6355 
6356 	switch (source_pad) {
6357 	case ATOMISP_SUBDEV_PAD_SOURCE_CAPTURE:
6358 		stream_id = ATOMISP_INPUT_STREAM_CAPTURE;
6359 		break;
6360 	case ATOMISP_SUBDEV_PAD_SOURCE_VF:
6361 		stream_id = ATOMISP_INPUT_STREAM_POSTVIEW;
6362 		break;
6363 	case ATOMISP_SUBDEV_PAD_SOURCE_PREVIEW:
6364 		stream_id = ATOMISP_INPUT_STREAM_PREVIEW;
6365 		break;
6366 	case ATOMISP_SUBDEV_PAD_SOURCE_VIDEO:
6367 		stream_id = ATOMISP_INPUT_STREAM_VIDEO;
6368 		break;
6369 	default:
6370 		stream_id = ATOMISP_INPUT_STREAM_GENERAL;
6371 	}
6372 
6373 	return stream_id;
6374 }
6375 
6376 bool atomisp_is_vf_pipe(struct atomisp_video_pipe *pipe)
6377 {
6378 	struct atomisp_sub_device *asd = pipe->asd;
6379 
6380 	if (pipe == &asd->video_out_vf)
6381 		return true;
6382 
6383 	if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO &&
6384 	    pipe == &asd->video_out_preview)
6385 		return true;
6386 
6387 	return false;
6388 }
6389 
6390 static int __checking_exp_id(struct atomisp_sub_device *asd, int exp_id)
6391 {
6392 	struct atomisp_device *isp = asd->isp;
6393 
6394 	if (!asd->enable_raw_buffer_lock->val) {
6395 		dev_warn(isp->dev, "%s Raw Buffer Lock is disable.\n", __func__);
6396 		return -EINVAL;
6397 	}
6398 	if (asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED) {
6399 		dev_err(isp->dev, "%s streaming %d invalid exp_id %d.\n",
6400 			__func__, exp_id, asd->streaming);
6401 		return -EINVAL;
6402 	}
6403 	if ((exp_id > ATOMISP_MAX_EXP_ID) || (exp_id <= 0)) {
6404 		dev_err(isp->dev, "%s exp_id %d invalid.\n", __func__, exp_id);
6405 		return -EINVAL;
6406 	}
6407 	return 0;
6408 }
6409 
6410 void atomisp_init_raw_buffer_bitmap(struct atomisp_sub_device *asd)
6411 {
6412 	unsigned long flags;
6413 
6414 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6415 	memset(asd->raw_buffer_bitmap, 0, sizeof(asd->raw_buffer_bitmap));
6416 	asd->raw_buffer_locked_count = 0;
6417 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6418 }
6419 
6420 int atomisp_set_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6421 {
6422 	int *bitmap, bit;
6423 	unsigned long flags;
6424 
6425 	if (__checking_exp_id(asd, exp_id))
6426 		return -EINVAL;
6427 
6428 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6429 	bit = exp_id % 32;
6430 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6431 	(*bitmap) |= (1 << bit);
6432 	asd->raw_buffer_locked_count++;
6433 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6434 
6435 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6436 		__func__, exp_id, asd->raw_buffer_locked_count);
6437 
6438 	/* Check if the raw buffer after next is still locked!!! */
6439 	exp_id += 2;
6440 	if (exp_id > ATOMISP_MAX_EXP_ID)
6441 		exp_id -= ATOMISP_MAX_EXP_ID;
6442 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6443 	bit = exp_id % 32;
6444 	if ((*bitmap) & (1 << bit)) {
6445 		int ret;
6446 
6447 		/* WORKAROUND unlock the raw buffer compulsively */
6448 		ret = atomisp_css_exp_id_unlock(asd, exp_id);
6449 		if (ret) {
6450 			dev_err(asd->isp->dev,
6451 				"%s exp_id is wrapping back to %d but force unlock failed,, err %d.\n",
6452 				__func__, exp_id, ret);
6453 			return ret;
6454 		}
6455 
6456 		spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6457 		(*bitmap) &= ~(1 << bit);
6458 		asd->raw_buffer_locked_count--;
6459 		spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6460 		dev_warn(asd->isp->dev,
6461 			 "%s exp_id is wrapping back to %d but it is still locked so force unlock it, raw_buffer_locked_count %d\n",
6462 			 __func__, exp_id, asd->raw_buffer_locked_count);
6463 	}
6464 	return 0;
6465 }
6466 
6467 static int __is_raw_buffer_locked(struct atomisp_sub_device *asd, int exp_id)
6468 {
6469 	int *bitmap, bit;
6470 	unsigned long flags;
6471 	int ret;
6472 
6473 	if (__checking_exp_id(asd, exp_id))
6474 		return -EINVAL;
6475 
6476 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6477 	bit = exp_id % 32;
6478 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6479 	ret = ((*bitmap) & (1 << bit));
6480 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6481 	return !ret;
6482 }
6483 
6484 static int __clear_raw_buffer_bitmap(struct atomisp_sub_device *asd, int exp_id)
6485 {
6486 	int *bitmap, bit;
6487 	unsigned long flags;
6488 
6489 	if (__is_raw_buffer_locked(asd, exp_id))
6490 		return -EINVAL;
6491 
6492 	bitmap = asd->raw_buffer_bitmap + exp_id / 32;
6493 	bit = exp_id % 32;
6494 	spin_lock_irqsave(&asd->raw_buffer_bitmap_lock, flags);
6495 	(*bitmap) &= ~(1 << bit);
6496 	asd->raw_buffer_locked_count--;
6497 	spin_unlock_irqrestore(&asd->raw_buffer_bitmap_lock, flags);
6498 
6499 	dev_dbg(asd->isp->dev, "%s: exp_id %d,  raw_buffer_locked_count %d\n",
6500 		__func__, exp_id, asd->raw_buffer_locked_count);
6501 	return 0;
6502 }
6503 
6504 int atomisp_exp_id_capture(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 = __is_raw_buffer_locked(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_capture(asd, value);
6518 	if (ret) {
6519 		dev_err(isp->dev, "%s exp_id %d failed.\n", __func__, value);
6520 		return -EIO;
6521 	}
6522 	return 0;
6523 }
6524 
6525 int atomisp_exp_id_unlock(struct atomisp_sub_device *asd, int *exp_id)
6526 {
6527 	struct atomisp_device *isp = asd->isp;
6528 	int value = *exp_id;
6529 	int ret;
6530 
6531 	ret = __clear_raw_buffer_bitmap(asd, value);
6532 	if (ret) {
6533 		dev_err(isp->dev, "%s exp_id %d invalid %d.\n", __func__, value, ret);
6534 		return -EINVAL;
6535 	}
6536 
6537 	dev_dbg(isp->dev, "%s exp_id %d\n", __func__, value);
6538 	ret = atomisp_css_exp_id_unlock(asd, value);
6539 	if (ret)
6540 		dev_err(isp->dev, "%s exp_id %d failed, err %d.\n",
6541 			__func__, value, ret);
6542 
6543 	return ret;
6544 }
6545 
6546 int atomisp_enable_dz_capt_pipe(struct atomisp_sub_device *asd,
6547 				unsigned int *enable)
6548 {
6549 	bool value;
6550 
6551 	if (!enable)
6552 		return -EINVAL;
6553 
6554 	value = *enable > 0 ? true : false;
6555 
6556 	atomisp_en_dz_capt_pipe(asd, value);
6557 
6558 	return 0;
6559 }
6560 
6561 int atomisp_inject_a_fake_event(struct atomisp_sub_device *asd, int *event)
6562 {
6563 	if (!event || asd->streaming != ATOMISP_DEVICE_STREAMING_ENABLED)
6564 		return -EINVAL;
6565 
6566 	dev_dbg(asd->isp->dev, "%s: trying to inject a fake event 0x%x\n",
6567 		__func__, *event);
6568 
6569 	switch (*event) {
6570 	case V4L2_EVENT_FRAME_SYNC:
6571 		atomisp_sof_event(asd);
6572 		break;
6573 	case V4L2_EVENT_FRAME_END:
6574 		atomisp_eof_event(asd, 0);
6575 		break;
6576 	case V4L2_EVENT_ATOMISP_3A_STATS_READY:
6577 		atomisp_3a_stats_ready_event(asd, 0);
6578 		break;
6579 	case V4L2_EVENT_ATOMISP_METADATA_READY:
6580 		atomisp_metadata_ready_event(asd, 0);
6581 		break;
6582 	default:
6583 		return -EINVAL;
6584 	}
6585 
6586 	return 0;
6587 }
6588 
6589 static int atomisp_get_pipe_id(struct atomisp_video_pipe *pipe)
6590 {
6591 	struct atomisp_sub_device *asd = pipe->asd;
6592 
6593 	if (ATOMISP_USE_YUVPP(asd))
6594 		return IA_CSS_PIPE_ID_YUVPP;
6595 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_SCALER)
6596 		return IA_CSS_PIPE_ID_VIDEO;
6597 	else if (asd->vfpp->val == ATOMISP_VFPP_DISABLE_LOWLAT)
6598 		return IA_CSS_PIPE_ID_CAPTURE;
6599 	else if (pipe == &asd->video_out_video_capture)
6600 		return IA_CSS_PIPE_ID_VIDEO;
6601 	else if (pipe == &asd->video_out_vf)
6602 		return IA_CSS_PIPE_ID_CAPTURE;
6603 	else if (pipe == &asd->video_out_preview) {
6604 		if (asd->run_mode->val == ATOMISP_RUN_MODE_VIDEO)
6605 			return IA_CSS_PIPE_ID_VIDEO;
6606 		else
6607 			return IA_CSS_PIPE_ID_PREVIEW;
6608 	} else if (pipe == &asd->video_out_capture) {
6609 		if (asd->copy_mode)
6610 			return IA_CSS_PIPE_ID_COPY;
6611 		else
6612 			return IA_CSS_PIPE_ID_CAPTURE;
6613 	}
6614 
6615 	/* fail through */
6616 	dev_warn(asd->isp->dev, "%s failed to find proper pipe\n",
6617 		 __func__);
6618 	return IA_CSS_PIPE_ID_CAPTURE;
6619 }
6620 
6621 int atomisp_get_invalid_frame_num(struct video_device *vdev,
6622 				  int *invalid_frame_num)
6623 {
6624 	struct atomisp_video_pipe *pipe = atomisp_to_video_pipe(vdev);
6625 	struct atomisp_sub_device *asd = pipe->asd;
6626 	enum ia_css_pipe_id pipe_id;
6627 	struct ia_css_pipe_info p_info;
6628 	int ret;
6629 
6630 	if (asd->isp->inputs[asd->input_curr].camera_caps->
6631 	    sensor[asd->sensor_curr].stream_num > 1) {
6632 		/* External ISP */
6633 		*invalid_frame_num = 0;
6634 		return 0;
6635 	}
6636 
6637 	pipe_id = atomisp_get_pipe_id(pipe);
6638 	if (!asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL].pipes[pipe_id]) {
6639 		dev_warn(asd->isp->dev,
6640 			 "%s pipe %d has not been created yet, do SET_FMT first!\n",
6641 			 __func__, pipe_id);
6642 		return -EINVAL;
6643 	}
6644 
6645 	ret = ia_css_pipe_get_info(
6646 		  asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]
6647 		  .pipes[pipe_id], &p_info);
6648 	if (!ret) {
6649 		*invalid_frame_num = p_info.num_invalid_frames;
6650 		return 0;
6651 	} else {
6652 		dev_warn(asd->isp->dev, "%s get pipe infor failed %d\n",
6653 			 __func__, ret);
6654 		return -EINVAL;
6655 	}
6656 }
6657